CN119261161A

CN119261161A - Plastic product processing equipment

Info

Publication number: CN119261161A
Application number: CN202411109445.3A
Authority: CN
Inventors: 陈圣禹; 谢世晨; 苏宗荣; 陈祥龙
Original assignee: Zhejiang Chengda Machinery Co ltd
Current assignee: Zhejiang Chengda Machinery Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2025-01-07
Also published as: CN114571709B; CN114571709A

Abstract

The present invention discloses a plastic product processing equipment, including a discharge mechanism, a heating mechanism, a molding mechanism, a cutting mechanism, a material conveying mechanism, a discharging mechanism, a waste removal mechanism and an electrical controller, wherein the discharge mechanism includes a discharge shaft; the heating mechanism includes a heating component, and the heating component heats a plate; the molding mechanism includes a molding mold; the cutting mechanism includes a cutting mold; the material conveying mechanism passes through the heating mechanism, the molding mechanism and the cutting mechanism in sequence, the material conveying mechanism includes a transmission chain and a clamping member installed on the transmission chain, and the transmission chain includes a left transmission chain and a right transmission chain that are symmetrical on both sides; the discharging mechanism includes a manipulator and a conveyor belt. The clamping member clamps on the left and right sides of the material, so that during the conveying process, the material will not be longitudinally stretched, ensuring stable material conveying, thereby improving product quality.

Description

Plastic product processing equipment

Technical Field

The invention relates to a plastic product processing device, in particular to a device for processing plastic blisters and plastic boxes.

Background

The plastic products are processed by processes such as plastic sucking and compression molding, after the plastic is heated and softened, the plastic is sucked or compression molded by a molding mechanism, and finally the molded products are separated from waste materials by cutting. Traditional plastic products processing equipment adopts the traction roller to carry the material sheet, and the plastic sheet heats to soften and can be stretched in the traction process, appears the problem of deformation, will influence product quality like this. In addition, whether heating, shaping or cutting, change the mould according to the shape, the size specification of processing product, but the mould installation of current processing equipment, dismantlement are very loaded down with trivial details, and the mould is bulky, and weight is heavy, and loading and unloading mould needs spending a large amount of time and manpower, and mould mounted position accuracy is lower moreover, and product shaping quality is not good enough.

Disclosure of Invention

In view of the technical problems existing in the background art, the technical problems solved by the invention are to provide a plastic product processing device which is stable in conveying, capable of avoiding sheet materials from being stretched and capable of rapidly detaching a die.

The plastic product processing equipment is characterized by comprising a discharging mechanism, a heating mechanism, a forming mechanism, a cutting mechanism, a material conveying mechanism, a discharging mechanism, a waste removing mechanism and an electric controller, wherein the discharging mechanism comprises a discharging shaft, the heating mechanism comprises a heating part, a heating plate is arranged on the heating part, the forming mechanism comprises a forming die, the cutting mechanism comprises a cutting die, the material conveying mechanism sequentially passes through the heating mechanism, the forming mechanism and the cutting mechanism, the material conveying mechanism comprises a transmission chain and a clamping piece arranged on the transmission chain, the transmission chain comprises a left transmission chain and a right transmission chain which are bilaterally symmetrical, the discharging mechanism comprises a manipulator and a conveying belt, and the discharging mechanism, the heating mechanism, the forming mechanism, the cutting mechanism, the material conveying mechanism, the discharging mechanism and the waste removing mechanism are all connected with the electric controller.

The clamping piece clamps the left and right sides of a material, the material is sequentially sent to the heating station, the forming station and the cutting station by the transmission chain, finally, the formed product is sent to the conveying belt by the mechanical arm, and the waste is discharged by the waste clearing mechanism, so that automatic processing is realized. The clamping pieces are clamped at the left side and the right side of the material, so that the material cannot be longitudinally stretched in the conveying process, stable conveying of the material is ensured, and the product quality is improved.

The heating component is characterized in that the heating component is provided with a stand column, the heating component further comprises a mounting seat, a mounting plate and a locking piece for locking the mounting plate and the mounting seat, the mounting seat is provided with a mounting groove, the mounting seat is provided with a first mounting hole, the first mounting hole is divided into a limiting section and a positioning section, the diameter of the limiting section is smaller than that of the positioning section, the stand column is connected with the mounting plate, the mounting plate is transversely and horizontally inserted into the mounting groove, the mounting plate is shorter than that of the mounting groove, the mounting plate is provided with a second mounting hole and a through hole, the stand column penetrates through the through hole to be connected with a nut, the outer diameter of the stand column is smaller than that of the through hole, a second spring is arranged between the mounting plate and the heating plate, the locking piece comprises a bolt and a first spring, the bolt comprises a head and a screw rod, the screw rod is divided into a main body and a threaded section, the main body is connected with the head, the threaded section penetrates through the first mounting hole to be matched with the second mounting hole, the main body is divided into a connecting section matched with the limiting section of the first mounting hole and a guide section matched with the positioning section, and the first spring is arranged between the head and the screw rod.

The heating plate adopts the quick detach structure, inserts the mounting panel in the mounting groove of mount pad during the installation, is fixed, locking with mounting panel and mount pad through the retaining member, and when dismantling, then loosen the retaining member, pull out the mounting panel from the mounting groove can, because of the mounting panel is shorter than the height of mounting groove, the mounting panel business turn over mounting groove is also very smooth and easy, and the dismouting of heating plate is very convenient, swift like this.

Preferably, the mounting seat is arranged on the panel in a sliding manner, a first guide rail which is vertically arranged is arranged on the panel, a first sliding seat which is in sliding fit with the guide rail is arranged on the mounting seat, the mounting seat is connected with a driving component which drives the mounting seat to move up and down along the first guide rail, the sliding seat is arranged on the panel, the sliding seat is arranged on a second guide rail in a sliding manner, the second guide rail is longitudinally arranged on the frame, the mounting seat is connected with a first screw rod, the first screw rod is in threaded connection with one end of a nut, the other end of the nut is in threaded connection with a second screw rod, the second screw rod is connected with the driving component, and two ends of the nut are opposite threads.

Preferably, the heating parts are provided with an upper group and a lower group, the upper group and the lower group are divided into an upper heating part and a lower heating part, the upright posts of the lower heating part are fixedly connected with the mounting plate, the upper heating part and the lower heating part are provided with at least two groups, each group of heating parts are sequentially and longitudinally arranged on the frame, and the temperature of the heating plate is gradually increased along the conveying direction.

Preferably, the molding die includes a male die member, an upper die member, and a lower die member. The male die part comprises a male die base, a male die, a second locking part for locking the male die and the male die base and a positioning part, wherein a linear guide rail is arranged at the bottom of the male die base, the linear guide rail is transversely arranged, a sliding groove for the linear guide rail to move is formed in the top of the male die, the height of the sliding groove is higher than that of a protruding part of the linear guide rail, the positioning part comprises a positioning pin, the upper positioning pin is arranged on the male die base, and a corresponding positioning hole is formed in the male die; the upper die part comprises an upper die, an upper die seat and a locking piece III for locking the upper die with the upper die seat, wherein flanges are arranged on two sides of the upper end of the upper die, a supporting plate for supporting the flanges of the upper die is arranged at the bottom of the lower die seat, an installation gap is arranged at the bottom of the supporting plate and the upper die seat, the installation gap is higher than the upper die in height, a linear bearing is arranged on the upper die seat, the linear bearing is vertically arranged, a guide post matched with the linear bearing is arranged on the supporting plate, the guide post is inserted into the linear bearing, the locking piece III comprises a locking bolt, the lower end of the locking bolt is in threaded connection with the supporting plate, the lower die part comprises a concave die seat, a concave die and a locking piece IV for locking the concave die seat, a guide rail is arranged on the concave die seat, a guide hole is arranged on the concave die seat, a guide groove matched with the guide rail in a sliding way is arranged at the bottom of the concave die seat, the locking piece IV comprises a locking block, a groove is arranged on the side surface of the upper end of the locking block, a convex tenon is arranged above the groove, a convex tenon is arranged at the bottom of the concave die seat, a convex lug is arranged at the bottom of the convex lug is inserted into the groove of the concave die seat, and the convex lug is arranged in the groove of the groove, and is locked by the convex lug is transversely arranged at the convex lug groove, the tongue-and-groove height of die is higher than the tenon head of latch segment, the recess height of latch segment is higher than the sand grip of die, the lower extreme of latch segment is arranged in the guiding hole and reciprocates in the guiding hole.

The forming die adopts a quick-dismantling structure, when the male die is installed, a sliding groove of the male die is aligned with a linear guide rail on a male die holder, then the male die is pushed in, the male die is hung on the linear guide rail of the male die holder, finally the male die is connected through a bolt and a male die thread, and is pulled up, and a positioning pin is inserted into a positioning hole, so that accurate positioning of male die installation is realized. When the male die is disassembled, the bolts are loosened, the male die moves downwards and is hung on the linear guide rail, and the male die is pulled out of the male die holder. When the upper die is installed, two sides of the upper die are inserted into the installation clearance, the upper die is supported by the supporting plate, and finally the upper die is fixed and locked with the upper die seat through the locking piece III, and when the upper die is disassembled, the locking piece III is loosened, and the upper die is pulled out from the upper die seat. When the female die is installed, the guide groove of the female die is aligned with the guide rail on the female die holder, the female die is pushed onto the female die holder, at the moment, the guide rail is inserted into the guide groove, finally, the female die is fixed and locked with the female die holder through the locking piece IV, and when the female die is disassembled, the locking piece IV is loosened, and the female die is pulled out from the female die holder, so that the female die is quite convenient and quick to disassemble and assemble.

Preferably, the fourth locking piece further comprises a locking bolt and a spring for pushing the locking block to move upwards, one end of the locking bolt is a lock tongue, the lock tongue of the locking bolt is conical, a locking hole matched with the locking bolt is formed in the lower end of the locking block, a mounting hole communicated with the guide hole is formed in the die holder, the mounting hole is horizontally arranged, the locking bolt is in threaded connection with the mounting hole, and the lock tongue is inserted into the locking hole through the mounting hole.

The cutting die comprises a guide post, a guide sleeve matched with the guide post, an upper die holder, a lower die holder, a conversion frame for die changing and a locking piece five for locking the lower die and a side plate, wherein the guide post is divided into a fixed guide post and a movable guide post, a slot for inserting a locking inserting piece is arranged at the upper end of the movable guide post, a limiting plate is arranged at the top end of the movable guide post, a mounting hole for inserting the movable guide post is formed in the pushing-in end of the upper die, baffles are extended on two sides of the upper die, the fixed guide post is mounted at the fixed end of the upper die, the upper die holder is mounted on a frame, the upper die holder is mounted on the upper die holder, one end of the locking inserting piece is hinged with the upper die holder, a guide slot is formed in the bottom of the lower die, the guide sleeve is mounted on the lower die, the guide slot corresponds to the fixed guide post and the movable guide post, a through hole for allowing the guide post to pass through is formed in the lower die holder, guide rails matched with the guide slots are mounted on the upper surface of the lower die holder, the conversion frame comprises the fixing plates and the two side plates are mounted on the two sides of the upper die holder, and the five side plates are mounted on the fixing plates.

When the cutting die is disassembled, the conversion frame for die change is pushed between the upper die and the lower die, the movable guide post is disassembled, the upper die is separated from the upper die base, the upper die is arranged on a side plate of the conversion frame, the lower die is locked with the side plate, at the moment, the upper die and the lower die are arranged on the conversion frame, the conversion frame is pulled out to finish the disassembly, when the cutting die is assembled, the guide groove of the lower die is aligned with the guide rail on the lower die base, the conversion die is pushed onto the lower die base, the guide rail is inserted into the guide groove of the lower die, after the upper die and the lower die are in place, the movable guide post is inserted into the mounting hole and the guide sleeve, the upper die is fixed with the upper die base, the bolts are loosened, and at the moment, the installation of the upper die and the lower die is finished, and the conversion frame is pulled out. According to the invention, the upper die and the lower die are disassembled through the die changing and converting frame, the upper die and the lower die are disassembled simultaneously, so that the disassembly speed is increased, cutters on the upper die and the lower die are not exposed, potential safety hazards are eliminated, and the safety performance is higher.

The material conveying mechanism comprises a material conveying mechanism, and is characterized by further comprising a driving wheel, wherein the driving wheel is horizontally arranged, a driving chain is horizontally wound on the driving wheel, the clamping piece comprises a mounting plate, an upper clamping plate, a lower clamping plate, a guide plate and a spring enabling a clamping head to be meshed with the lower clamping plate, the mounting plate is mounted on the driving chain, one end of the upper clamping plate is provided with the clamping head, the other end of the upper clamping plate is connected with a linkage rod, the lower clamping plate is mounted on the mounting plate, the lower clamping plate is provided with a first mounting hole, the guide plate is mounted on the mounting plate and arranged below the lower clamping plate, the guide plate is also provided with a second mounting hole, the linkage rod sequentially penetrates through the first mounting hole and the second mounting hole, the upper end of the spring is in contact with the lower clamping plate, and the lower end of the spring is connected with the linkage rod.

When the clamping piece is opened, the elastic force of the spring is needed to be overcome to push the linkage rod to move upwards, so that a gap is formed between the clamping head and the lower clamping plate, when a plastic sheet enters between the clamping head and the lower clamping plate, the pushing force is removed, the elastic force of the spring enables the linkage rod to move downwards for resetting, the clamping head is meshed with the lower clamping plate to clamp the plastic sheet, and the driving wheel rotates to drive the driving chain to convey the clamping piece and the plastic sheet on the driving chain to different stations.

Preferably, an opening and clamping station is arranged on a conveying path of the material conveying mechanism, a plane cam is arranged at the opening and clamping station, the cam curved surface of the plane cam gradually climbs along the conveying direction, the plane cam is arranged below a clamping piece, the bottom of a linkage rod is contacted with the cam curved surface of the plane cam and pushes the linkage rod to move upwards at the opening and clamping station, the linkage rod is obliquely or curvedly arranged, the linkage rod and an upper clamping plate form an included angle smaller than 90 degrees, the first vertical direction and the second vertical direction of the mounting hole are not on the same surface, the clamping end of the upper clamping head is bent downwards and is in a sharp-tooth shape, and the upper surface of the lower clamping plate is provided with a meshing groove.

Preferably, the conveyor belt is arranged at the side of the cutting mechanism, the manipulator is connected with a lifting component for driving the manipulator to lift, and the lifting component is connected with a moving component for driving the manipulator to move left and right.

Preferably, the waste cleaning mechanism comprises a cutter and a waste conveying belt which are transversely arranged, the cutter is arranged in front of the clamping opening station, and the waste conveying belt and the conveying belt are arranged side by side.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention; FIG. 2 is a schematic view of the discharge mechanism and waste removal mechanism of the present invention; fig. 3 is a schematic view of a heating mechanism according to the present invention, fig. 4 is a schematic view of a single set of heating members according to the present invention, fig. 5 is a front view of fig. 4 according to the present invention, fig. 6 is a partial sectional view of fig. 5 along the line A-A, fig. 7 is a schematic view of a forming mechanism according to the present invention, fig. 8 is a sectional view of a male mold member according to the present invention, fig. 9 is a plan view of an upper mold member and a female mold member according to the present invention, fig. 10 is a sectional view along the line 9A-A, fig. 11 is a sectional view along the line B-B, fig. 12 is a sectional view of a lower mold member according to the present invention along the line 9C-C, fig. 13 is a plan view of a female mold holder according to the present invention, fig. 14 is a schematic view of a cutting mechanism, fig. 15 is a schematic view of a cutting mechanism when a mold is installed, fig. 16 is a schematic view of a converting frame and a cutting mold according to the present invention, fig. 17 is a schematic view of a clamping station according to the present invention, fig. 18 is a front view of fig. 17 is a front view of a clamping member according to the present invention, and fig. 19 is a schematic view of a clamping member according to the present invention.

Detailed Description

The following describes details and working principles of embodiments and examples of the present invention with reference to the accompanying drawings, wherein the X-axis direction of the present invention is a longitudinal direction, i.e. a front-back direction, the Y-axis direction is a transverse direction, i.e. a left-right direction, and the Z-axis direction is a vertical direction, i.e. an up-down direction, referring to fig. 1. The plastic product processing equipment comprises a discharging mechanism 33, a heating mechanism 35, a forming mechanism 36, a cutting mechanism 38, a material conveying mechanism 34, a discharging mechanism 40, a waste removing mechanism 39 and an electric controller 41, wherein the mechanisms correspond to a discharging station, a heating station, a forming station, a cutting station, a discharging station and a waste removing station respectively, and a punching station, a discharging station and the like can be additionally arranged by a user according to processing requirements. The discharging mechanism comprises a discharging shaft, a plastic sheet coiled material is arranged on the discharging shaft, the heating mechanism comprises a heating part, the heating part is provided with a heating plate 1, the forming mechanism comprises a forming die, the cutting mechanism comprises a cutting die, the material conveying mechanism sequentially passes through the heating mechanism, the forming mechanism and the cutting mechanism, the material conveying mechanism comprises a transmission chain and a clamping piece arranged on the transmission chain, the transmission chain comprises a left transmission chain and a right transmission chain which are bilaterally symmetrical, the discharging mechanism comprises a manipulator and a conveying belt, and the discharging mechanism, the heating mechanism, the forming mechanism, the cutting mechanism, the material conveying mechanism, the discharging mechanism and the waste cleaning mechanism are all connected with the electric controller.

Referring to fig. 3-6, the heating component further comprises a mounting seat 7, a heating plate 1, a mounting plate 4 and a locking piece 8 for locking the mounting plate and the mounting seat, wherein the mounting seat is provided with a mounting groove 6, the heating plate is provided with a stand column 5, the stand column is connected with the mounting plate 4, the mounting plate is transversely and horizontally inserted into the mounting groove 6, the mounting plate 4 is shorter than the mounting groove 6 in height, the mounting plate can smoothly enter and exit the mounting groove, and the mounting plate carries the heating plate to enter and exit the mounting groove together, so that the mounting groove 6 is in an open arrangement, and the mounting plate is supported by two inner supporting plates 9 at the lower end of the mounting seat. When the invention is installed, the installation plate 4 is inserted into the installation groove 6 of the installation seat, the installation plate and the installation seat are fixed and locked through the locking piece 8, and when the installation plate is disassembled, the locking piece is loosened, and the installation plate is pulled out of the installation groove, so that the installation and the disassembly of the heating plate are very convenient and quick. The locking piece can be locked by a bolt, the bolt is in threaded connection with the heating plate and the mounting seat to lock and fix the heating plate and the mounting seat, or the heating plate is propped by the bolt to press the heating plate against the inner wall of the mounting seat or the inner supporting plate of the mounting seat. In this embodiment, the mounting seat 7 and the mounting plate 4 are respectively provided with a first mounting hole 27 and a second mounting hole, the first mounting hole is divided into a limiting section and a positioning section, the diameter of the limiting section is smaller than that of the positioning section, the locking piece comprises a bolt and a first spring 25, the bolt comprises a head 24 and a screw, the screw is divided into a main body 26, 28 and a threaded section 29, the main body is connected with the head 24, the threaded section passes through the first mounting hole 27 to be matched with the second mounting hole in a threaded manner, the main body is further divided into a connecting section 26 matched with the limiting section of the first mounting hole and a guiding section 28 matched with the positioning section, and the first spring 25 is sleeved outside the screw and is arranged between the head 24 of the bolt and the mounting seat 7. The bolt goes deep into the mount pad, and screw thread section 29 pass the mounting hole and with mounting panel 4 threaded connection in the lump, the bolt makes mounting panel 4 and the inner wall of mount pad 7 paste tightly, and after the bolt is released, the elasticity of spring one 25 makes the bolt head keep away from the mount pad, and the main part removes in mounting hole one 27, because of the direction section external diameter of main part is less than the spacing section of mounting hole one, consequently the direction section of main part is blocked in mounting hole one 27, and the screw thread section of bolt then separates with mounting panel 4 totally, and the mounting panel does not receive the bolt restriction at this moment, can shift out from mounting groove 6. The mounting plate is provided with the limiting block 3, and the mounting plate is inserted into the mounting groove 6 until the limiting plate contacts with the mounting seat, so that the mounting position is determined, and the mounting efficiency is improved.

The material heating can be single-sided heating or double-sided heating, wherein the single-sided heating is provided with only a single group of heating components, namely, the heating plate 1 is combined with the lower supporting plate, the material is placed on the lower supporting plate, the heating plate moves downwards to heat the material with the pressing of the lower supporting plate, and the double-sided heating is provided with an upper group of heating components and a lower group of heating components, comprising an upper heating component 30 and a lower heating component 31, and the upper surface and the lower surface of the material are heated simultaneously with the pressing of the upper heating plate and the lower heating plate. In this embodiment, the heating element is provided with an upper heating element and a lower heating element, which are divided into an upper heating element and a lower heating element, for convenience of distinction, the prefix of the upper heating element is added "upper", and the prefix of the lower heating element is added "lower", for example, the heating plate of the upper heating element is an upper heating plate, and the heating plate of the lower heating element is a lower heating plate. For improving the heating effect, make hot plate 1 hug closely with the material, go up the hot plate and adopt the design that floats, go up the through-hole has been seted up on the mounting panel 4, go up stand 5 and pass through the through-hole and be connected with last nut 32, the external diameter of going up the stand is less than last through-hole, be equipped with spring two 2 between last mounting panel and the upper hot plate. The lower heating plate adopts a fixed design, and the lower upright post is fixedly connected with the wanted mounting plate. When the upper heating plate and the lower heating plate are pressed, the second spring 2 is pressed, the elastic force of the second spring enables the heating plate to be tightly attached to the material all the time, when the material is thicker, the second spring 2 is compressed more, the upper heating plate floats more relatively, when the material is heated and softened, the upper heating plate is slightly thinned, at the moment, the elastic force of the second spring 2 enables the upper heating plate 1 to move downwards relatively, the second spring is tightly attached to the surface of the material, heat is transferred to the material, and the heating effect and the heating efficiency are improved. The upper heating part and the lower heating part are provided with at least two sets, and the invention adopts three sets of heating parts, namely a first heating part 13, a second heating part 15 and a third heating part 17, wherein each set of heating part is sequentially and longitudinally arranged on a frame 16, the temperature of a heating plate is gradually increased along the conveying direction, the temperature of the heating plate of the first heating part is the lowest, and the temperature of the heating plate of the third heating part is the highest. Aiming at thick plate materials, relatively high temperature and longer heating time are needed, so that the heating efficiency is low, the product quality can be influenced by directly adopting high-temperature heating, the invention divides multi-station heating and gradually increases the temperature, therefore, the heating time of each station is shortened, the heating efficiency is accelerated, the total heating time is enough to soften the materials, and the materials are heated from relatively low temperature to relatively high temperature, so that the materials are gradually softened, and the softening effect is better.

In order to be suitable for the processing of different products and different thickness materials, the longitudinal position, the vertical position of hot plate 1 all can be adjusted. The mounting seat 7 is arranged on the panel 12 in a sliding manner, a first guide rail 11 which is vertically arranged is arranged on the panel, a first sliding seat 10 which is in sliding fit with the guide rail is arranged on the mounting seat, the mounting seat 7 is connected with a driving component which drives the mounting seat to move up and down along the first guide rail 11, a sliding seat is arranged on the panel 12, the sliding seat is arranged on a second guide rail 14 in a sliding manner, and the second guide rail is longitudinally arranged on the frame 16. The mounting seat vertically moves on the first guide rail to adjust the vertical position of the heating plate, and the panel longitudinally moves on the second guide rail to adjust the longitudinal position of the heating plate so as to be suitable for processing different products. In order to improve the precision of adjustment, the mounting seat 7 is also provided with a fine adjustment, the first screw 19 is connected with one end of a nut 18 in a threaded manner, the other end of the nut is connected with a second screw 20 in a threaded manner, the second screw is connected with a driving component, two ends of the nut 18 are opposite threads, namely one end of the nut is a positive thread, the other end of the nut is a negative thread, and the first screw and the second screw can move oppositely or reversely by rotating the nut, so that the fine adjustment of the height of the heating plate is realized. The driving part can adopt cylinder direct drive mount pad to follow first linear guide and go up and down to drive, in this embodiment, the driving part includes power supply 23, output shaft 22 and connecting rod 21, the output shaft is connected with the power supply transmission, the power supply can adopt cylinder or motor, and power supply drive output shaft corotation or reversal, connecting rod and output shaft connection, the second screw rod of going up heating part and the second screw rod of heating part down are articulated with the both ends of connecting rod respectively, during the output shaft corotation, the connecting rod drives the upper heating plate and moves down, and the lower heating plate moves up, otherwise, during the output shaft reversal, the connecting rod then drives the upper heating plate and moves up and reset, the lower heating plate moves down and resets, and the heating plate of upper and lower heating part is moved or is reversed in opposite directions to drive simultaneously by a power supply promptly, both saves the cost, goes up, and lower heating part can synchronous operation again.

Referring to fig. 7-13, the forming die includes a male die member 51, an upper die member 52, and a lower die member 53. The male die part comprises a male die seat 60, a male die 61, a second locking part for locking the male die and the male die seat and a positioning part, wherein a linear guide rail 64 is arranged at the bottom of the male die seat, the linear guide rail is transversely arranged, a sliding groove 63 for moving the linear guide rail is arranged at the top of the male die, a protruding part 62 is arranged on the linear guide rail, inner supporting plates 65 are arranged at two ends of an opening of the sliding groove, the linear guide rail 64 is aligned with the sliding groove 63, after the male die is pushed in, the male die 61 is hooked on the linear guide rail 64, the protruding part 62 of the linear guide rail is arranged in the sliding groove 63, the protruding part 62 of the linear guide rail supports the inner supporting plates 65, the male die 61 is supported, the sliding groove is higher than the protruding part of the linear guide rail, the male die is smooth in going in and going out, the locking part comprises a bolt 54, the positioning part comprises a positioning pin which is not shown in the drawing, the positioning pin is arranged on the male die seat, and a corresponding positioning hole is arranged on the male die. When the male die is installed, the sliding groove of the male die is aligned with the linear guide rail on the male die holder, then the male die is pushed in, the male die 61 is hooked on the linear guide rail 64, finally the male die is connected with the male die through the screw threads of the bolt, the male die is pulled up by the bolt, and the positioning pin is inserted into the positioning hole, so that accurate positioning of the male die installation is realized. When the male die is disassembled, the bolts are loosened, the male die moves downwards and is hung on the linear guide rail, the male die is pulled out of the male die holder, the positioning pin and the positioning hole play a role in positioning, and the accuracy of the installation position is ensured. In this embodiment, the second locking member may also adopt a locking member structure of the heating mechanism, that is, the first punch holder 60 and the second punch 61 are respectively provided with a first mounting hole 57 and a second mounting hole, the first mounting hole is divided into a limiting section and a positioning section, the diameter of the limiting section is smaller than that of the positioning section, the second locking member also includes a second spring 55, the second bolt includes a head 56 and a screw, the screw is divided into main bodies 54, 58 and a threaded section 59, the main body is connected with the head 56, the threaded section 59 passes through the first mounting hole 57 to be in threaded fit with the second mounting hole, the main body is further divided into a connecting section 54 matched with the limiting section of the first mounting hole and a guiding section 58 matched with the positioning section, and the second spring 55 is sleeved outside the screw and is disposed between the head 56 of the bolt and the punch holder 60. The lower end of the bolt goes deep into the male die holder, the threaded section 59 penetrates through the first mounting hole 57 and is in threaded connection with the male die 61, the male die 61 is tightly attached to the male die holder 60 by the bolt, after the bolt is loosened, the bolt is upwards moved by the elastic force of the second spring 55, the main body moves in the first mounting hole 57, and the guide section of the main body is clamped in the first mounting hole 57 because the outer diameter of the guide section of the main body is smaller than the limit section of the first mounting hole, and the threaded section of the bolt is completely separated from the male die 61, so that the male die is not limited by the bolt and can be pulled out.

The upper die part 52 comprises an upper die 68, an upper die holder 66 and a locking piece III for locking the upper die and the upper die holder, wherein flanges 70 are arranged on two sides of the upper end of the upper die, a supporting plate 71 for supporting the flanges of the upper die is arranged at the bottom of the lower die holder, a mounting gap is formed between the supporting plate and the bottom of the upper die holder, the height of the mounting gap is higher than that of the upper die, and the locking piece III comprises a locking bolt 67. The upper die of the invention can also adopt a quick-dismantling structure, when the upper die is installed, two sides of the upper die are inserted into the installation gap, the supporting plate 71 supports the upper die, finally the locking piece III pulls the upper die 68 to move upwards and fix the upper die with the upper die holder, and when the upper die is dismantled, the locking piece III is loosened, the upper die is downwards displaced on the supporting plate, and then the upper die is pulled out from the supporting plate. In order to ensure the mounting accuracy, the upper die holder is provided with a positioning pin 69, the upper die is correspondingly provided with a positioning hole, when the upper die is arranged on the supporting plate 71, only the alignment of the positioning pin and the positioning hole is ensured, and when the locking bolt enables the upper die to move upwards and be tightly pressed with the upper die holder, the positioning pin is just inserted into the positioning hole, if the upper die is not in place, the positioning pin is staggered with the positioning hole, the positioning pin can block the upper die to move upwards, and thus the locking bolt pulls the upper die and cannot enable the upper die to be locked with the upper die holder. In this embodiment, according to the installation requirement, the lower end of the locking bolt is in threaded connection with the supporting plate, a linear bearing 73 is installed on the upper die holder, the linear bearing is vertically arranged, a guide post 72 matched with the linear bearing is installed on the supporting plate, the guide post is inserted into the linear bearing, the locking bolt pulls the supporting plate upwards, reduces the installation gap between the supporting plate and the upper die holder, locks the upper die and the upper die holder, and ensures that the supporting plate is stably lifted by the arrangement of the linear bearing and the guide post. The third locking piece in the upper die part can also adopt the structure of the second locking piece, and the second locking piece in the male die part can also adopt the structure of the third locking piece, so that the structures of the third locking piece and the second locking piece can be shared.

The lower die part 53 comprises a die holder 74, a die 75 and a locking piece IV for locking the die and the die holder, wherein a guide rail 84 is arranged on the die holder and is transversely arranged, a guide groove which is in sliding fit with the guide rail is arranged at the bottom of the die and plays a guiding role on the die, when the die is installed, the guide groove of the die is aligned with the guide rail 84 on the die holder, the die is pushed onto the die holder 74, at the moment, the guide rail is inserted into the guide groove, finally, the die and the die holder are fixed and locked through the locking piece IV, and when the die is disassembled, the locking piece IV is loosened, and the die is pulled out from the die holder, so that the disassembly and the assembly are very convenient and quick. the locking piece IV can adopt a bolt, the female die is locked with the female die seat through the bolt, The fourth locking piece comprises a locking piece 76, a groove 80 is formed in the side face of the upper end of the locking piece, a tenon 82 of the locking piece is arranged above the groove, a tenon slot 83 for the tenon of the locking piece to be transversely inserted and a convex strip 81 for supporting the tenon are formed in the bottom of the female die, the convex strip is arranged in the groove 80 of the locking piece, the tenon slot 83 of the female die is higher than the tenon 82 of the locking piece, the groove 80 of the locking piece is higher than the convex strip 81 of the female die, that is, the locking piece 66 can move up and down relative to the female die 75, a guide hole is formed in the female die seat, and the lower end of the locking piece is arranged in the guide hole and moves up and down in the guide hole. The female die is pushed onto the female die holder 74, the tenon 82 of the locking block is inserted into the tenon groove 83 of the female die, a gap is reserved between the tenon 82 and the raised line 81 at this time, after the female die is in place, the locking block 76 moves downwards, the tenon 82 compresses the raised line of the female die, the female die is fixed on the female die holder, when the female die is disassembled, the locking block moves upwards, a gap is reserved between the tenon and the raised line, the female die can move transversely relative to the locking block, and then the female die is pulled out from the female die holder. The lower part of the female die is connected with a power source for driving the female die to lift, the locking block is arranged in the female die seat, the locking piece IV further comprises a locking bolt 79 and a spring 77 for pushing the locking block to move upwards, one end of the locking bolt is a locking bolt 78, the locking bolt of the locking bolt is conical, namely, the surface of the locking bolt is provided with a taper, the lower end of the locking block is provided with a locking hole matched with the locking bolt, the female die seat is provided with a mounting hole communicated with the guide hole, the mounting hole is horizontally arranged, the locking bolt 79 is in threaded connection with the mounting hole, the locking bolt 78 is inserted into the locking hole through the mounting hole, the other end of the locking bolt is arranged outside the female die seat 74, a knob can be additionally arranged for facilitating rotation of the locking bolt, the spring 77 is arranged between the locking block 76 and the female die seat 74, a spring mounting hole is formed in the bottom of the locking block, the spring is arranged in the spring mounting hole, the upper end of the spring is contacted with the locking block, and the lower end of the spring contacts the female die seat to push the locking block 76. When the female die is in place, the locking bolt is rotated to enable the lock tongue 78 to extend into the locking hole, the conical surface of the lock tongue drives the locking block 76 to move downwards, the female die is locked on the female die holder, the lock tongue 78 is partially withdrawn after the locking bolt is rotated reversely, the elastic force of the spring 77 drives the locking block 76 to move upwards, and the female die is in a free state. In order to simplify the structure, the guide groove of the female die is a mortise 83, the guide rail 84 and the upper end of the locking block are matched with the guide groove 83, namely, the guide groove of the female die is used as the mortise at the same time, the guide groove and the mortise are combined into a whole, the shape of the guide groove is the same as that of the mortise, the tenon 82 of the locking block is inserted into the guide groove 83 of the female die, a gap is reserved between the tenon 82 and the raised line 81, the female die is fixed by downward movement of the locking block, otherwise, the female die can move, so that the mortise is not additionally formed on the female die, and the mortise processing is omitted. The die holder 74 is provided with a limiting block 77, the limiting block is provided with a fine adjustment top plate 76, the top plate is transversely arranged, and the top plate is in threaded connection with the limiting block. The limiting block 77 limits the transverse position of the female die on the female die holder, the female die is pushed onto the female die holder 74 until contacting with the limiting block 77, the position of the limiting block limits the transverse position of the female die on the female die holder, the top plate fine-adjusts the transverse position of the female die, if the precision problem exists in die processing, if the transverse position of the die needs to move rightwards, the top plate 76 is rotated, the top plate stretches out, the female die contacts with the top plate, the transverse position of the female die is controlled by the top plate, and thus, the transverse position of the female die is accurately, and the molding quality and the product quality are improved.

Referring to fig. 14-16, the cutting die comprises a guide post, a guide sleeve 106 matched with the guide post, an upper die 91, an upper die holder 101, a lower die 107, a lower die holder 108, The die changing conversion frame comprises a conversion frame for die changing and a locking piece five for locking a lower die and a side plate, wherein the guide columns are divided into a fixed guide column 95 and a movable guide column 105, one end of an upper die 91 is a push-in end, the other end of the upper die is a fixed end, the push-in end of the upper die is provided with a mounting hole for inserting the movable guide column 105, the fixed guide column 95 is arranged at the fixed end of the upper die, two sides of the upper die are extended with baffle plates 92, the upper die holder is arranged on a frame, the upper die 91 is arranged on the upper die holder 101, the upper die can be arranged on the upper die holder by bolts, a guide groove 97 is arranged at the bottom of the lower die, a guide sleeve 106 is arranged on a lower die 107, the position of the guide sleeve corresponds to the fixed guide column 95 and the movable guide column 105, the lower die holder is arranged on the frame, the lower die holder 108 is provided with a through hole for the guide column to pass, the upper surface of the lower die holder is provided with a guide rail matched with the guide groove, and the die is arranged, When the machine is started, the power part 90 on the machine frame drives the upper die holder 101 and the lower die holder 108 to oppositely or reversely lift to drive the upper die and the lower die to carry out pressing operation, the conversion frame comprises a fixed plate 94 and side plates 93 arranged at two ends of the fixed plate, the baffle plates 92 at two sides of the upper die are arranged on the two side plates 93, the distance between the two side plates is matched with the width of the lower die, the lower die is just arranged between the two side plates, and the locking piece five comprises a bolt which is used for locking the lower die and the side plates. When the invention is disassembled, the conversion frame for die change is pushed between the upper die and the lower die, the lower die is arranged between two side plates, the movable guide post 105 is pulled out from the guide sleeve and the mounting hole of the upper die, the bolts for locking the upper die and the upper die holder are loosened, the upper die is arranged on the side plate 93 of the conversion frame, the lower die 107 is simultaneously locked with the side plate 93, the fixed guide post 95 is still inserted into the guide sleeve of the lower die, the upper die and the lower die are arranged on the conversion frame, the conversion frame is pulled out, and the disassembly of the die is completed After the lower die is in place, the movable guide post 105 is inserted into the mounting hole of the upper die and the guide sleeve 106, the upper die 91 is locked and fixed with the upper die holder 101, bolts for locking the lower die and the side plates are loosened, at the moment, the upper die and the lower die are mounted, the conversion frame is pulled out, the mounting is completed, the upper die and the lower die are lifted oppositely or reversely when the equipment is started, and the guide post moves up and down in the guide sleeve 106. According to the invention, the upper die and the lower die are disassembled through the die changing and converting frame, the upper die and the lower die are disassembled simultaneously, so that the disassembly and assembly speed is increased, cutters on the upper die and the lower die are not exposed, potential safety hazards are eliminated, and the safety performance is higher. The lower die holder is provided with a limiting block 98, and the limiting block limits the transverse position of the lower die on the lower die holder. The upper ends of the upper die and the side plates are provided with corresponding locking holes 96, the fifth locking piece further comprises a second bolt for locking the upper die and the side plates, the second bolt locks the upper die on the conversion frame, the upper die is prevented from moving up and down on the conversion frame, and the safety coefficient is improved. The upper die holder is provided with a locking insert 104, one end of the locking insert is hinged with the upper die holder 101, the upper end of the movable guide column 105 is provided with a slot 3 for the locking insert to be inserted, the top end of the movable guide column is provided with a limiting plate 102, when the movable guide column is inserted into a mounting hole of the upper die, the limiting plate is arranged above the mounting hole, the movable guide column is prevented from completely entering the mounting hole and being separated from the upper die, when the movable guide column is inserted into the mounting hole and the guide sleeve, the locking insert is rotated to be inserted into the slot of the movable guide column, the guide column is locked on the upper die holder, and when the movable guide column is disassembled, the locking insert is reversely rotated to leave the slot, and then the movable guide column can be pulled out from the upper die.

In order to be suitable for processing products of different specifications, the longitudinal positions of the forming mechanism and the cutting mechanism on the frame can be adjusted, a longitudinal guide rail and a screw rod mechanism are arranged on the frame, and the screw rod mechanism drives the forming mechanism or the cutting mechanism to move on the frame along the longitudinal guide rail, so that the adjustment of the longitudinal position can be realized.

17-19, The material conveying mechanism further comprises a driving wheel 113, the driving wheel is horizontally arranged, the driving chain 115 is horizontally wound on the driving wheel, the driving chain and the driving wheel are horizontally arranged, the use state is more visual, the disassembly and assembly of components are also convenient, the clamping piece 112 comprises a mounting plate 125, an upper clamping plate 117, a lower clamping plate 118, a guide plate 119 and a spring 120 for enabling the clamping head to be meshed with the lower clamping plate, the mounting plate 125 is mounted on the driving chain 115, the number of the clamping pieces on the driving chain is set according to requirements, the clamping pieces are preferably uniformly distributed, one end of the upper clamping plate 117 is provided with the clamping head 121, the other end of the upper clamping plate 117 is connected with a linkage rod 123, the lower clamping plate 118 is mounted on the mounting plate 125, the lower clamping plate is provided with a first mounting hole 124, the guide plate 119 is mounted on the mounting plate and arranged below the lower clamping plate, the guide plate is also provided with a second mounting hole 126, the mounting plate, the lower clamping plate is provided with a second mounting plate, A lower clamping plate, The guide plate can be integrally designed or split, see fig. 4, in this embodiment, the lower clamping plate and the guide plate are integrally designed, the mounting plate 125 is L-shaped, the horizontal plate is connected with the transmission chain, the vertical panel is connected with the upper clamping plate and the connecting plate of the guide plate, the linkage rod 123 sequentially passes through the first mounting hole 124 and the second mounting hole 126, in this embodiment, the spring is sleeved outside the linkage rod, the upper end of the spring contacts with the lower clamping plate 118, the lower end of the spring is connected with the linkage rod 123, the spring force of the spring enables the spring to press the lower clamping plate, the spring force of the spring needs to be overcome when the linkage rod moves upwards, at this moment, a gap is generated between the clamping head 121 and the lower clamping plate 118, the clamping piece is opened, the plastic sheet can enter between the two, after the force pushing the upper movement of the linkage rod 123 disappears, the spring 120 drives the linkage rod to move downwards and reset, the clamping head 121 is meshed with the lower clamping plate 118 to clamp the plastic sheet, and the left part, The clamping piece on the right transmission chain clamps two sides of the plastic sheet, and the transmission wheel 113 rotates to drive the transmission chain 115 to convey the clamping piece 112 on the transmission chain and the plastic sheet clamped by the clamping piece to different stations. The conveying path of the conveying mechanism is provided with a clamping opening station 111, the clamping opening station is preferably arranged at two ends of the conveying path, the clamping opening station is arranged between the discharging mechanism and the heating mechanism and between the cutting mechanism and the discharging mechanism, when the plastic sheet starts to enter, the clamping piece 111 is opened, the plastic sheet is sent to the heating station, the forming station and the cutting station after being held, and finally the clamping piece is opened again after the processing is completed, and the plastic sheet or the waste is sent out. The clamping opening station 111 is provided with a plane cam 114, a cam curved surface 116 of the plane cam is horizontally arranged, the cam curved surface 116 of the plane cam gradually climbs along the conveying direction, the plane cam is arranged below the clamping 112, at the clamping opening station, the bottom of the linkage rod 123 is contacted with the cam curved surface 116 of the plane cam, and the gradually climbed cam curved surface pushes the linkage rod 123 to move upwards, the clamping head and the lower clamping plate generate a gap when the linkage rod moves upwards, and when the clamping piece leaves the clamping opening station, namely the lower end of the linkage rod is not contacted with the plane cam, the spring 120 moves downwards to reset when the lower part of the linkage rod is suspended, and the clamping head 121 is meshed with the lower clamping plate 118, so that automatic clamping opening and clamping operation are realized. The linkage rod 118 is inclined or bent, the linkage rod and the upper clamping plate form an included angle smaller than 90 degrees, the first mounting hole 124 and the second mounting hole 126 are arranged on the same side in the vertical direction, namely, the first mounting hole and the second mounting hole are arranged one by one, the positions of the first mounting hole and the second mounting hole are matched with the inclined or bent angle of the linkage rod, the upper clamping plate 117 and the lower clamping plate 118 are approximately parallel, when the plane cam 114 props the linkage rod to enable the linkage rod to move upwards, the linkage rod moves backwards and obliquely along the angle defined by the first mounting hole and the second mounting hole, so that the opening is large, even if the upward movement stroke is small, the opening can be large, a plastic sheet can enter more easily, and in order to enable the movement of the linkage rod to be stable, the width of the first mounting hole and the second mounting hole is matched with the width of the linkage rod, and a guiding effect is achieved. The clamping end of the upper clamping head 121 is bent downwards and is in a sharp-tooth shape, the upper surface of the lower clamping plate is provided with a clamping groove 122, and the sharp-tooth-shaped clamping end can be inserted into the clamping groove through a plastic sheet, so that the clamping is firmer.

In order to make the structure more compact, the conveying belt 44 of the discharging mechanism is arranged at the side of the cutting mechanism 38, namely, the conveying belt is arranged in parallel with the transmission chain, the manipulator 42 is connected with a lifting component for driving the manipulator to lift, the lifting component is connected with a moving component for driving the manipulator to move left and right, the lifting component and the moving component can adopt an air cylinder or a screw mechanism and the like, in order to ensure the manipulator to move stably, a vertical guide rail 48 and a transverse guide rail 47 are arranged on the frame, so that the manipulator moves up and down along the vertical guide rail and moves left and right along the transverse guide rail, thus, the manipulator 42 moves to the discharging station after adsorbing the finished product 43 or grabbing the finished product through the vertical movement and the transverse movement, the finished product is placed on the conveying belt 44, and the finished product is sent out through the conveying belt. The waste removing mechanism comprises a cutter 45 and a waste conveying belt 46 which are transversely arranged, the cutter is arranged in front of the opening and clamping station, the waste conveying belt and the conveying belt 44 are arranged side by side, after the materials are formed, the materials are cut by the cutting mechanism, finished products are separated from the waste materials, the finished products are sent to the discharging station by the mechanical arm, the waste materials are still conveyed forward by the material conveying mechanism, when the waste materials reach the waste removing station, the cutter cuts continuous waste materials into sheet-shaped waste materials, the sheet-shaped waste materials are placed on the waste conveying belt, and the waste materials are sent out by the waste conveying belt 46 and are collected uniformly.

Claims

1. A plastic product processing device is characterized by comprising

The discharging mechanism comprises a discharging shaft;

The heating mechanism comprises a heating component, and the heating component comprises a heating plate;

The forming mechanism comprises a forming die;

The cutting mechanism comprises a cutting die;

The material conveying mechanism sequentially passes through the heating mechanism, the forming mechanism and the cutting mechanism, and comprises a transmission chain and a clamping piece arranged on the transmission chain, wherein the transmission chain comprises a left transmission chain and a right transmission chain which are bilaterally symmetrical;

The discharging mechanism comprises a manipulator and a conveying belt;

A waste removing mechanism;

and the discharging mechanism, the heating mechanism, the forming mechanism, the cutting mechanism, the material conveying mechanism, the discharging mechanism and the waste removing mechanism are all connected with the electric controller.

2. The apparatus for processing plastic products according to claim 1, wherein said heating plate is provided with a column, and said heating member further comprises

The mounting seat is provided with a mounting groove, the mounting seat is provided with a first mounting hole, the first mounting hole is divided into a limiting section and a positioning section, and the diameter of the limiting section is smaller than that of the positioning section;

The upright post is connected with the mounting plate, the mounting plate is transversely and horizontally inserted into the mounting groove, the mounting plate is shorter than the mounting groove in height, the mounting plate is provided with a second mounting hole and a through hole, the upright post penetrates through the through hole to be connected with the nut, the outer diameter of the upright post is smaller than the through hole, and a second spring is arranged between the mounting plate and the heating plate;

And a locking member for locking the mounting plate and the mounting seat, the locking member comprising

The bolt comprises a head and a screw rod, the screw rod is divided into a main body and a thread section, the main body is connected with the head, the thread section penetrates through the first mounting hole and is matched with the second mounting hole in a thread way, the main body is divided into a connecting section matched with the limiting section of the first mounting hole and a guiding section matched with the positioning section,

And the first spring is sleeved outside the screw rod and is arranged between the head of the bolt and the mounting seat.

3. The plastic product processing equipment according to claim 2, wherein the mounting seat is slidably arranged on the panel, a first guide rail vertically arranged is arranged on the panel, a first sliding seat slidably matched with the guide rail is arranged on the mounting seat, the mounting seat is connected with a driving component for driving the mounting seat to move up and down along the first guide rail, the sliding seat is arranged on the panel and slidably arranged on a second guide rail, the second guide rail is longitudinally arranged on the frame, the mounting seat is connected with a first screw rod, the first screw rod is in threaded connection with one end of a nut, the other end of the nut is in threaded connection with a second screw rod, the second screw rod is connected with the driving component, and two ends of the nut are opposite threads.

4. The plastic product processing apparatus according to claim 3, wherein the heating means is provided with two groups of upper and lower heating means, which are divided into an upper heating means and a lower heating means, the column of the lower heating means is fixedly connected to the mounting plate, the upper heating means and the lower heating means are provided with at least two sets, each set of heating means is sequentially and longitudinally arranged on the frame, and the temperature of the heating plate is gradually raised in the conveying direction.

5. The plastic product processing apparatus as recited in claim 1, wherein the molding die comprises

A male die part comprising

The bottom of the convex die holder is provided with a linear guide rail which is transversely arranged,

A sliding groove for the linear guide rail to move is arranged at the top of the male die, the height of the sliding groove is higher than that of the protruding part of the linear guide rail,

A second locking piece for locking the male die and the male die seat,

The positioning component comprises a positioning pin, the positioning pin is arranged on a male die base, and a corresponding positioning hole is formed in the male die;

An upper die part comprising

An upper die, wherein two sides of the upper end of the upper die are provided with flanges,

The bottom of the upper die holder is provided with a supporting plate for supporting the flange of the upper die, the bottom of the supporting plate and the bottom of the upper die holder are provided with mounting gaps, the height of the mounting gaps is higher than that of the upper die, the upper die holder is provided with a linear bearing which is vertically arranged, the supporting plate is provided with a guide post matched with the linear bearing, the guide post is inserted into the linear bearing,

The third locking piece comprises a locking bolt, and the lower end of the locking bolt is in threaded connection with the supporting plate;

And a lower die part comprising

The die holder is provided with a guide rail which is transversely arranged, the die holder is provided with a guide hole which is vertically arranged,

The bottom of the female die is provided with a guide groove which is in sliding fit with the guide rail,

And a fourth locking part for locking the female die and the female die holder, wherein the fourth locking part comprises a locking block, a groove is formed in the side face of the upper end of the locking block, a tenon of the locking block is arranged above the groove, a tenon groove for the tenon of the locking block to be transversely inserted and a convex strip for holding the tenon are arranged at the bottom of the female die, the convex strip is arranged in the groove of the locking block, the tenon groove of the female die is higher than the tenon of the locking block, the groove of the locking block is higher than the convex strip of the female die, and the lower end of the locking block is arranged in the guide hole and moves up and down in the guide hole.

6. The plastic product processing apparatus as recited in claim 5, wherein said fourth locking member further comprises

The locking bolt is provided with a lock tongue at one end, the lock tongue of the locking bolt is conical, the lower end of the locking block is provided with a locking hole matched with the locking bolt, the die holder is provided with a mounting hole communicated with the guide hole, the mounting hole is horizontally arranged, the locking bolt is in threaded connection with the mounting hole, and the lock tongue is inserted into the locking hole through the mounting hole;

and a spring for pushing the locking block upward.

7. The apparatus for processing plastic articles according to claim 1, wherein said cutting die comprises

The guide post is divided into a fixed guide post and a movable guide post, the upper end of the movable guide post is provided with a slot for inserting a locking inserting piece, and the top end of the movable guide post is provided with a limiting plate;

The guide sleeve is matched with the guide post;

The upper die is provided with a mounting hole for inserting the movable guide post at the pushing end, baffles are extended at two sides of the upper die, and the fixed guide post is mounted at the fixed end of the upper die;

The upper die is arranged on the upper die holder, a locking insert piece is arranged on the upper die holder, and one end of the locking insert piece is hinged with the upper die holder;

the bottom of the lower die is provided with a guide groove, the guide sleeve is arranged on the lower die, and the position of the guide sleeve corresponds to the fixed guide post and the movable guide post;

The lower die holder is arranged on the frame and is provided with a through hole for the guide post to pass through, and the upper surface of the lower die holder is provided with a guide rail matched with the guide groove;

the conversion frame for die changing comprises a fixed plate and side plates arranged at two ends of the fixed plate, wherein baffle plates at two sides of the upper die are arranged on the two side plates;

and a fifth locking part for locking the lower die and the side plate, wherein the fifth locking part comprises a bolt.

8. The plastic product processing apparatus as set forth in claim 1, wherein said material conveying mechanism further comprises a driving wheel, said driving wheel is horizontally disposed, said driving chain is horizontally wound around said driving wheel, and said holding member comprises

The mounting plate is mounted on the transmission chain;

an upper clamping plate which moves up and down, one end of which is provided with a clamping head, and the other end of which is connected with a linkage rod;

The lower clamping plate is arranged on the mounting plate, and a first mounting hole is formed in the lower clamping plate;

the guide plate is arranged on the mounting plate and below the lower clamping plate, and a second mounting hole is formed in the guide plate;

and a spring for enabling the clamping head to be meshed with the lower clamping plate, wherein the linkage rod sequentially passes through the first mounting hole and the second mounting hole, the upper end of the spring is contacted with the lower clamping plate, and the lower end of the spring is connected with the linkage rod.

9. The plastic product processing equipment according to claim 8, wherein an opening and clamping station is arranged on a conveying path of the material conveying mechanism, the opening and clamping station is provided with a plane cam, a cam curved surface of the plane cam gradually climbs along a conveying direction, the plane cam is arranged below the clamping piece, and at the opening and clamping station, the bottom of the linkage rod is contacted with the cam curved surface of the plane cam and the cam curved surface pushes the linkage rod to move upwards;

The linkage rod is obliquely or curvedly arranged, an included angle smaller than 90 degrees is formed between the linkage rod and the upper clamping plate, and the first mounting hole and the second mounting hole are not arranged on the same surface in the vertical direction;

The clamping end of the clamping head is bent downwards and is sharp-tooth-shaped, and the upper surface of the lower clamping plate is provided with a meshing groove.

10. The apparatus for processing plastic products according to claim 1, wherein the conveyor belt is disposed laterally of the cutting mechanism, the robot is connected to a lifting member for driving the robot to lift, and the lifting member is connected to a moving member for driving the robot to move left and right.

11. The plastic product processing apparatus as recited in claim 10, wherein said waste disposal means comprises

The cutter is transversely arranged and is arranged in front of the clamping opening station;

And the waste conveying belt is arranged side by side with the conveying belt.