CN114603765A

CN114603765A - Forming die for synthetic rubber part

Info

Publication number: CN114603765A
Application number: CN202210193981.0A
Authority: CN
Inventors: 孙正亮; 张涵宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-06-10

Abstract

The invention relates to the technical field of forming dies, in particular to a forming die for synthetic rubber parts, which comprises a shell, wherein electric telescopic rods are fixedly connected to the two sides of the inner wall of the upper end of the shell, the lower ends of the two electric telescopic rods are fixedly connected with a supporting plate together, the lower end of the supporting plate is fixedly connected with an upper die, a lower die is fixedly connected to the lower part between the two inner walls of the two sides of the shell, a trimming mechanism is arranged in the lower die and comprises a first groove, the first groove is formed in the right side of the inner part of the shell and is close to the front end and the rear end, a first threaded rod is rotatably connected to the inner part of the first groove, a transverse plate is fixedly connected to the right side of the supporting plate, the right side of the inner part of the transverse plate is in spiral transmission with the rod wall of the first threaded rod, the finished leftover materials are cut after products are pressed, and the leftover materials are not required to be removed in later period, a large amount of manpower is saved, the processing speed is increased, and the practicability of the device is improved.

Description

Synthetic rubber part forming die

Technical Field

The invention relates to the technical field of forming dies, in particular to a forming die for a synthetic rubber part.

Background

Synthetic rubber, also known as synthetic elastomer, is a synthetic high-elasticity polymer, one of three major synthetic materials. The performance of a few varieties of synthetic rubber is similar to that of natural rubber, most of the synthetic rubber is different from that of the natural rubber, but both of the synthetic rubber and the natural rubber are high-elasticity high-molecular materials, and the synthetic rubber generally needs to be vulcanized and processed to have practicability and use value.

When last mould and bed die close the mould, glue and preheat the back in advance, so the lower mould when receiving the mould extrusion, has the material of part to flow in the gap between two moulds not closed complete time, can cause like this to accomplish the back finished product at the extrusion and have certain leftover bits, needs artifical post processing, has increased required manpower.

Therefore, a mold for molding synthetic rubber parts is provided.

Disclosure of Invention

The invention aims to provide a forming die for a synthetic rubber part, which is used for cutting off leftover materials of a finished product after a product is pressed, so that the leftover materials are not required to be removed in a later period manually, a large amount of manpower is saved, the processing speed is increased, the practicability of the device is improved, and the problems in the background art are solved.

In order to achieve the purpose, the invention provides the following technical scheme: a synthetic rubber part forming die comprises a shell, wherein electric telescopic rods are fixedly connected to the positions of two sides of the inner wall of the upper end of the shell, a supporting plate is fixedly connected to the lower ends of the two electric telescopic rods together, an upper die is fixedly connected to the lower end of the supporting plate, and a lower die is fixedly connected to the lower portion between the inner walls of the two sides of the shell;

the lower die is internally provided with a trimming mechanism;

the trimming mechanism can cut off leftover materials generated by extruding materials.

The inside of bed die is put to the material that will need, and electric telescopic handle begins work downstream this moment and drives the backup pad downstream, and the mould downstream is gone up in the backup pad drive, closes the mould with the bed die, with material extrusion shaping, can amputate finished leftover bits through trimming mechanism, has improved machining efficiency.

Preferably, the trimming mechanism comprises a first groove, the first groove is arranged at the position, close to the front end and the rear end, on the right side inside the shell, a first threaded rod is connected inside the first groove in a rotating manner, a transverse plate is fixedly connected on the right side of the supporting plate, the right side inside the transverse plate is in screw transmission with the rod wall of the first threaded rod, a first bevel gear is fixedly connected at the position, close to the lower end, of the rod wall of the first threaded rod, first sliding grooves are formed at the positions, close to the upper end, of the front end and the rear end inside the lower die, a second threaded rod is connected inside the first sliding grooves in a rotating manner, a second bevel gear is fixedly connected on the right side of the second threaded rod, the outer side of the second bevel gear is in meshing connection with the outer side of the first bevel gear, a first sliding block is in screw transmission with the rod wall of the second threaded rod, and a first spring is fixedly connected on the right side of the first sliding block, the movable block is fixedly connected to the left side of the first spring, the inside of the movable block is connected with the rod wall of the second threaded rod in a sliding mode, a second groove is formed in the lower end of the first sliding groove, the second spring is fixedly connected to the inside of the second groove, a clamping block is fixedly connected to the upper end of the second spring, the rod wall of the second threaded rod is located on the left side of the movable block in a sliding mode and is connected with a supporting block, a cutting knife is fixedly connected between the two opposite sides of the supporting block together, the rod wall of the first threaded rod is located on the upper end of the first bevel gear and is fixedly connected with a rotary table, a connecting rope is fixedly connected to the surface of the rotary table, and the left side of the connecting rope is fixedly connected with the right side of the supporting block.

When the supporting plate descends, the transverse plate is driven to move downwards, the transverse plate rotates to enable the first threaded rod to rotate when the transverse plate moves downwards, the first threaded rod rotates to drive the first bevel gear, the first bevel gear rotates to drive the second bevel gear to rotate, the second threaded rod rotates to drive the second threaded rod to rotate, the first sliding block moves towards the left side and extrudes the first spring, the first spring pushes the moving block to move towards the left side, the first spring stores energy at the moment, the moving block pushes the supporting block, the first spring stores energy continuously, when the first spring is compressed to a certain position, the clamping block is compressed into the inner part of the second groove by the supporting block and extrudes the second spring, when the supporting block and the clamping block are staggered, the supporting block is ejected out, the moving block is clamped by the clamping block and cannot be ejected out, and the supporting block drives the cutting knife to move towards the left side, the leftover materials are cut off, after the leftover materials are cut off, the supporting plate drives the transverse plate to move upwards, the first threaded rod rotates reversely at the moment, the first threaded rod rotates to drive the rotary table to rotate, the connecting rope contracts towards the right side when the rotary table rotates, the connecting rope drives the supporting block to move towards the right side, the supporting block drives the cutting knife to reset towards the right side, the first bevel gear rotates to enable the second threaded rod to rotate reversely, the first sliding block is enabled to reset, and the next work is waited.

Preferably, the left side of the right side of the second threaded rod is provided with threads and is designed to be smooth.

The supporting block is ensured to have small resistance when sliding towards the left side.

Preferably, the lower extreme of first threaded rod is rotated and is connected with first one way bearing, first one way bearing's inside is rotated and is connected with the bull stick, the fixedly connected with birotary of pole wall center department of bull stick, the inside outward flange of birotary rotates and is connected with the push rod, the first inflator of lower extreme internal surface fixedly connected with of shell, the inside sliding connection of first inflator has the check valve, the right side of check valve and the left side fixed connection of push rod, the upper end of first inflator is close to left position fixedly connected with trachea, tracheal upper end and the lower extreme fixed connection of bed die, first cavity has been seted up to the inside lower extreme of bed die, the even sliding connection of internal surface of bed die has the kicking block, the air channel has all been seted up to the both sides of kicking block.

When the diaphragm is moving down, drive first threaded rod and rotate, first one-way bearing is in the active state this moment, when driving first threaded rod reversal when the diaphragm moves up, first one-way bearing is in the lock dead state this moment, make the bull stick rotate, the bull stick rotates and drives the double rotary wheel and rotate, the double rotary wheel rotates and drives the propelling movement pole and controls, the propelling movement pole drives the check valve and controls when controlling and controls, the inside of first cavity is pressed into through the trachea with gaseous passing through the trachea like this, gaseous promotion kicking block upward movement this moment, gaseous giving vent to anger through the air channel simultaneously, can increase the atmospheric pressure below the product like this.

Preferably, a limiting plate is fixedly connected to the position, close to the right side, of the inner surface of the lower end of the shell, and the rod wall of the pushing rod is connected with the inside of the limiting plate in a sliding mode.

Avoid the too big damage that causes of range that the propelling movement pole rocked.

Preferably, an inclined through hole is formed in the lower die and located on the left side of the first sliding groove, and the lower portion of the left side of the shell is fixedly connected with the receiving box.

The waste materials are collected by entering the waste materials into the receiving box through the inclined through holes.

Preferably, the first threaded rod has a smaller number of threads than the second threaded rod.

Therefore, the second threaded rod can rotate at a high speed, and interference when the upper die moves up and down is avoided.

Preferably, the lower end of the moving block is attached to the lower end of the first sliding groove.

Therefore, the moving block can be clamped, and the moving block is prevented from being ejected.

Preferably, the second cavity has been seted up to the inside of going up the mould, the upper end of second cavity is rotated and is connected with the third threaded rod, the inside upper end of shell is rotated and is connected with the one-way bearing of second, the inside of the one-way bearing of second and the pole wall screw drive of third threaded rod, the first lug of the inside lower extreme fixedly connected with of second cavity, the second spout has all been seted up to the both sides lower part of third threaded rod, the inside sliding connection of second spout has the second slider, the upper end fixedly connected with third spring of second slider, one side fixedly connected with second lug of third threaded rod is kept away from to the second slider.

When the supporting plate moves downwards to drive the third threaded rod to move downwards, the second one-way bearing is internally provided with threads matched with the third threaded rod; the second one-way bearing is in a movable state at the moment, when the supporting plate moves upwards, the second one-way bearing is in a locked state at the moment, the third threaded rod does not rotate when moving upwards, the third threaded rod drives the two second sliding grooves to rotate when rotating, the two second sliding grooves drive the two second sliding blocks to rotate, the two second sliding blocks drive the second convex block to rotate, the second convex block drives the second sliding block to move upwards when the second convex block is in contact with the first convex block and compresses the third spring, and when the first convex block and the second convex block are staggered, the second convex block beats the bottom of the second cavity; through beating the bottom of the second cavity, vibration is generated, and damage to a finished product when the upper die moves upwards is avoided.

Preferably, the positions, close to the two sides, of the upper end of the supporting plate are fixedly connected with second air cylinders, first pistons are slidably connected inside the second air cylinders, connecting rods are fixedly connected to the upper ends of the first pistons, the upper ends of the connecting rods are fixedly connected with the inner surface of the upper end of the shell, and blowing pipes are fixedly connected to the positions, close to the upper ends, of the two opposite sides of the second air cylinders.

When the supporting plate drives the second air cylinder to descend, the connecting rod is fixedly connected with the inner surface of the upper end of the shell, the first piston is driven to keep the position still, when the second air cylinder descends, the air pressure at the upper end of the first piston is increased, air is discharged through the blow pipe, impurities on the surface of the lower die can be blown off, the upper surface of the lower die can be kept clean as far as possible, and the practicability of the device is further improved.

Compared with the prior art, the invention has the beneficial effects that:

1. the leftover materials of the finished product are cut after the product is pressed, and the leftover materials do not need to be removed in a later period manually, so that a large amount of manpower is saved, the processing speed is increased, and the practicability of the device is improved;

2. through the pressurization to the bed die, can make when unloading easier, receive the influence of atmospheric pressure to lead to the difficulty of unloading when avoiding unloading, the serious condition can cause to drag the damage to the finished product, has improved the rate of processing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional elevation view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic top sectional view of the worktable according to the present invention;

FIG. 5 is a cross-sectional view of the lower mold of the present invention;

fig. 6 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a housing; 2. an electric telescopic rod; 3. a support plate; 4. an upper die; 5. a lower die; 6. a trimming mechanism; 7. a first one-way bearing; 8. double rotating wheels; 9. a rotating rod; 10. a push rod; 11. a limiting plate; 12. a one-way valve; 13. a first gas cylinder; 14. an air pipe; 15. a first cavity; 16. a top block; 17. a vent channel; 18. a third threaded rod; 19. a second one-way bearing; 20. blowing a pipe; 21. a third spring; 22. a second chute; 23. a second slider; 24. a second bump; 25. a second cavity; 26. an oblique through hole; 27. a receiving box; 28. a second gas cylinder; 29. a connecting rod; 30. a first piston; 31. a first bump;

601. a first groove; 602. a first threaded rod; 603. a transverse plate; 604. a first chute; 605. a second threaded rod; 606. a second bevel gear; 607. a first spring; 608. a first slider; 609. a moving block; 610. a support block; 611. a clamping block; 612. a second spring; 613. connecting ropes; 614. a turntable; 615. a first bevel gear; 616. a second groove; 617. a cutting knife.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution:

a synthetic rubber part forming die is shown in figures 1 to 4 and comprises a shell 1, wherein electric telescopic rods 2 are fixedly connected to the positions of two sides of the inner wall of the upper end of the shell 1, the lower ends of the two electric telescopic rods 2 are fixedly connected with a supporting plate 3 together, the lower end of the supporting plate 3 is fixedly connected with an upper die 4, and a lower die 5 is fixedly connected to the lower portion between the inner walls of the two sides of the shell 1;

the lower die 5 is internally provided with a trimming mechanism 6;

the trimming mechanism 6 can cut off leftover materials generated by extruding materials;

during operation, put the inside of bed die 5 with the material of needs, electric telescopic handle 2 begins work downstream this moment and drives backup pad 3 downstream, and backup pad 3 drives mould 4 downstream, closes the mould with bed die 5, with material extrusion shaping, can excise off the leftover bits of finished product through trimming cut 6, has improved machining efficiency.

As an embodiment of the present invention, as shown in fig. 1 and 4, the trimming mechanism 6 includes a first groove 601, the first groove 601 is disposed at a position near front and rear ends of the right side of the inside of the housing 1, a first threaded rod 602 is rotatably connected to the inside of the first groove 601, a transverse plate 603 is fixedly connected to the right side of the support plate 3, the inner right side of the transverse plate 603 is in screw transmission with a rod wall of the first threaded rod 602, a first bevel gear 615 is fixedly connected to a position near a lower end of the rod wall of the first threaded rod 602, first sliding grooves 604 are disposed at positions near upper ends of front and rear ends of the inside of the lower mold 5, a second threaded rod 605 is rotatably connected to the inside of the first sliding grooves 604, a second bevel gear 606 is fixedly connected to the right side of the second threaded rod 605, and an outer side of the second bevel gear 606 is engaged with an outer side of the first bevel gear 615, a first sliding block 608 is spirally driven on the rod wall of the second threaded rod 605, a first spring 607 is fixedly connected to the right side of the first sliding block 608, a moving block 609 is fixedly connected to the left side of the first spring 607, the inside of the moving block 609 is slidably connected to the rod wall of the second threaded rod 605, a second groove 616 is formed at the lower end of the first sliding groove 604, a second spring 612 is fixedly connected to the inside of the second groove 616, a block 611 is fixedly connected to the upper end of the second spring 612, a supporting block 610 is slidably connected to the rod wall of the second threaded rod 605 at the left side of the moving block 609, a cutting knife 617 is fixedly connected between the opposite sides of the two supporting blocks 610, a rotary disc 614 is fixedly connected to the upper end of the first threaded rod 602 at the first bevel gear 615, a connecting rope 613 is fixedly connected to the surface of the rotary disc 614, and the left side of the connecting rope 613 is fixedly connected to the right side of the supporting block 610, a position, close to the right side, of the inner surface of the lower end of the shell 1 is fixedly connected with a limiting plate 11, a rod wall of the pushing rod 10 is connected with the inside of the limiting plate 11 in a sliding manner, an inclined through hole 26 is formed in the lower die 5, which is positioned on the left side of the first sliding groove 604, and a receiving box 27 is fixedly connected to the lower portion of the left side of the shell 1;

during operation, when the supporting plate 3 descends, the transverse plate 603 is driven to move downwards, when the transverse plate 603 moves downwards, the spirally-driven first threaded rod 602 rotates, when the first threaded rod 602 rotates, the first bevel gear 615 is driven, the first bevel gear 615 rotates, the second bevel gear 606 in meshing connection rotates, the second threaded rod 606 rotates, the second threaded rod 605 rotates, the spirally-driven first slider 608 moves towards the left side and presses the first spring 607, the first spring 607 pushes the moving block 609 to move towards the left side, at this time, the first spring 607 stores energy, the moving block 609 pushes the supporting block 610, the first spring 607 stores energy continuously, when the first spring 607 is compressed to a certain position, at this time, the clamping block 611 is compressed into the second groove 616 by the supporting block 610 and presses the second spring 612, when the supporting block 610 is misaligned with the clamping block 611, at the moment, the supporting block 610 is ejected, the moving block 609 is clamped by the clamping block 611 and cannot be ejected, the supporting block 610 drives the cutting knife 617 to move towards the left side to cut off leftover materials, after the leftover materials are cut off, the supporting plate 3 drives the transverse plate 603 to move upwards, the first threaded rod 602 rotates reversely at the moment, the first threaded rod 602 rotates to drive the rotary disc 614 to rotate, the connecting rope 613 retracts towards the right side when the rotary disc 614 rotates, the connecting rope 613 drives the supporting block 610 to move towards the right side, the supporting block 610 drives the cutting knife 617 to reset towards the right side, the first bevel gear 615 rotates reversely to enable the second threaded rod 605 to rotate reversely, the first sliding block 608 resets to wait for the next work, waste materials enter the receiving box 27 through the inclined through hole 26, and the waste materials on the left side of the upper end can be pushed to the upper end of the inclined through hole 26 when the cutting knife 617 moves towards the left side; can cut off finished product leftover bits after the product suppression like this, do not need artifical later stage to get rid of it, saved a large amount of manpowers for the speed of processing has improved the device's practicality.

As an embodiment of the present invention, as shown in fig. 2, a first one-way bearing 7 is rotatably connected to a lower end of the first threaded rod 602, a rotating rod 9 is rotatably connected to an inside of the first one-way bearing 7, a dual rotating wheel 8 is fixedly connected to a center of a rod wall of the rotating rod 9, a push rod 10 is rotatably connected to an inner outer edge of the dual rotating wheel 8, a first air cylinder 13 is fixedly connected to an inner surface of a lower end of the housing 1, a one-way valve 12 is slidably connected to an inside of the first air cylinder 13, a right side of the one-way valve 12 is fixedly connected to a left side of the push rod 10, an air pipe 14 is fixedly connected to a position of an upper end of the first air cylinder 13 close to the left side, an upper end of the air pipe 14 is fixedly connected to a lower end of the lower mold 5, a first cavity 15 is opened at an inner lower end of the lower mold 5, and a top block 16 is uniformly slidably connected to an inner surface of the lower mold 5, two sides of the top block 16 are both provided with vent grooves 17, a position, close to the right side, of the inner surface of the lower end of the shell 1 is fixedly connected with a limiting plate 11, and the rod wall of the push rod 10 is in sliding connection with the inside of the limiting plate 11;

when in work, when the transverse plate 603 moves downwards, the first threaded rod 602 in screw transmission is driven to rotate, at the moment, the first one-way bearing 7 is in a movable state, when the transverse plate 603 moves upwards to drive the first threaded rod 602 to rotate reversely, the first one-way bearing 7 is in a locked state at the moment, so that the rotating rod 9 rotates, the rotating rod 9 rotates to drive the double rotating wheels 8 to rotate, the double rotating wheels 8 rotate to drive the push rod 10 to move left and right, the push rod 10 drives the one-way valve 12 to move left and right when moving left and right, it is explained here that the one-way valve 12 is slidingly connected with the inner wall of the first cylinder 13 and maintains the tightness, thus, the gas can be pressurized to the inside of the first air cylinder 13 in one direction and then is pressed into the inside of the first cavity 15 through the air pipe 14, at this time, the gas pushes the top block 16 to move upwards, meanwhile, the gas is discharged through the vent groove 17, so that the gas pressure below the product can be increased; therefore, discharging is easier, discharging difficulty is caused by the influence of air pressure when discharging is avoided, the finished product is damaged by pulling under severe conditions, and the processing speed is improved.

As an embodiment of the present invention, as shown in fig. 2 and 6, a second cavity 25 is formed inside the upper die 4, the upper end of the second cavity 25 is rotatably connected with a third threaded rod 18, the upper end inside the housing 1 is rotatably connected with a second one-way bearing 19, the inside of the second one-way bearing 19 is in spiral transmission with the rod wall of the third threaded rod 18, the lower end inside the second cavity 25 is fixedly connected with a first protrusion 31, the lower parts of both sides of the third threaded rod 18 are both provided with second sliding grooves 22, the inside of the second sliding grooves 22 is slidably connected with a second slider 23, the upper end of the second slider 23 is fixedly connected with a third spring 21, and one side of the second slider 23 away from the third threaded rod 18 is fixedly connected with a second protrusion 24;

when the support plate 3 moves downwards to drive the third threaded rod 18 to move downwards, the second one-way bearing 19 is internally provided with threads matched with the third threaded rod 18; at this time, the second one-way bearing 19 is in a movable state, when the support plate 3 moves upwards, the second one-way bearing 19 is in a locked state, at this time, the third threaded rod 18 does not rotate when moving upwards, the third threaded rod 18 rotates to drive the two second sliding grooves 22 to rotate, the two second sliding grooves 22 rotate to drive the two second sliding blocks 23 to rotate, the two second sliding blocks 23 drive the second protruding block 24 to rotate, when the second protruding block 24 contacts with the first protruding block 31, the second protruding block 24 drives the second sliding block 23 to move upwards, it is described here that the surfaces of the first protruding block 31 and the second protruding block 24 are both in an arc design, the centers of the two are not in the same horizontal position, and the third spring 21 is compressed, and when the first protruding block 31 and the second protruding block 24 are dislocated, the second protruding block 24 beats the bottom of the second cavity 25; through beating the bottom of second cavity 25, produce vibrations, avoid causing the damage to the finished product when last mould 4 shifts up, be favorable to the drawing of patterns, improved the device's practicality.

As an embodiment of the present invention, as shown in fig. 2 and 5, the upper end of the supporting plate 3 is fixedly connected to a second air cylinder 28 at a position close to both sides, a first piston 30 is slidably connected to the inside of the second air cylinder 28, a connecting rod 29 is fixedly connected to the upper end of the first piston 30, the upper end of the connecting rod 29 is fixedly connected to the inner surface of the upper end of the housing 1, and a blow pipe 20 is fixedly connected to the opposite side of the two second air cylinders 28 at a position close to the upper end;

in operation, when the support plate 3 descends, the second air cylinder 28 is driven to descend, the connecting rod 29 is fixedly connected with the inner surface of the upper end of the shell 1, so that the first piston 30 is driven to keep the position of the second air cylinder 28, when the second air cylinder 28 descends, the air pressure at the upper end of the first piston 30 is increased, air is exhausted through the blow pipe 20, impurities on the surface of the lower die 5 can be blown off, the upper surface of the lower die 5 can be kept clean as much as possible, and the practicability of the device is further improved.

The working principle is as follows:

when the material cutting machine works, a required material is placed in the lower die 5, at the moment, the electric telescopic rod 2 starts to work and move downwards to drive the supporting plate 3 to move downwards, the supporting plate 3 drives the upper die 4 to move downwards to close with the lower die 5, the material is extruded and molded, the leftover materials of a finished product can be cut through the trimming mechanism 6, the processing efficiency is improved, when the supporting plate 3 descends, the transverse plate 603 is driven to move downwards, when the transverse plate 603 moves downwards, the first screw rod 602 in spiral transmission rotates, when the first screw rod 602 rotates, the first bevel gear 615 is driven to rotate to drive the second bevel gear 606 in meshing connection, when the second screw rod 606 rotates to drive the second screw rod 605 to rotate, when the second screw rod 605 rotates, the first slide block 608 in spiral transmission moves to the left side and extrudes the first spring 607, the first spring 607 pushes the moving block 609 to the left side, at the moment, the first spring 607 stores energy, the moving block 609 pushes the supporting block 610, the first spring 607 stores energy continuously, when the first spring 607 is compressed to a certain position, the fixture block 611 is compressed into the second groove 616 by the supporting block 610 and presses the second spring 612, when the supporting block 610 and the fixture block 611 are dislocated, the supporting block 610 is ejected, the moving block 609 is clamped by the fixture block 611 and cannot be ejected, the supporting block 610 drives the cutting knife 617 to move to the left side to cut off leftover materials, after the cutting is finished, the supporting plate 3 drives the transverse plate 603 to move upwards, the first threaded rod 602 rotates reversely, the first threaded rod 602 drives the turntable 614 to rotate, when the turntable 614 rotates, the connecting rope 613 retracts to the right side, the connecting rope 613 drives the supporting block 610 to move to the right side, the supporting block 610 drives the cutting knife 617 to return to the right side, the first bevel gear 615 rotates reversely to rotate the second threaded rod 605, the first slide block 608 is reset to wait for the next work, and the waste material enters the receiving box 27 through the inclined through hole 26, and the waste material can be pushed to the upper end of the inclined through hole 26 by the maximum displacement of the left movement of the cutting knife 617; thus, the finished leftover materials can be cut after the product is pressed, the leftover materials do not need to be removed in the later period manually, a large amount of manpower is saved, the processing speed is increased, the practicability of the device is improved, when the transverse plate 603 moves downwards, the first threaded rod 602 in spiral transmission is driven to rotate, the first one-way bearing 7 is in an active state at the moment, when the transverse plate 603 moves upwards and drives the first threaded rod 602 to rotate reversely, the first one-way bearing 7 is in a locked state at the moment, the rotating rod 9 rotates to drive the double rotating wheels 8 to rotate, the double rotating wheels 8 rotate to drive the push rod 10 to move left and right, the push rod 10 drives the one-way valve 12 to move left and right when moving left and right, the one-way valve 12 is in sliding connection with the inner wall of the first air cylinder 13 and keeps tightness, so that the air can be pressurized to the inside of the first air cylinder 13 in a one-way manner, then the air pipe 14 is pressed into the first cavity 15, at the moment, the air pushes the top block 16 to move upwards, and meanwhile, the air is discharged through the vent groove 17, so that the air pressure below the product can be increased; therefore, the discharging is easier, the discharging difficulty caused by the influence of air pressure during discharging is avoided, the finished product is damaged by pulling under severe conditions, the processing speed is improved, when the supporting plate 3 moves downwards, the third threaded rod 18 is driven to move downwards, and the second one-way bearing 19 is internally provided with threads matched with the third threaded rod 18; at this time, the second one-way bearing 19 is in a movable state, when the support plate 3 moves upwards, the second one-way bearing 19 is in a locked state, at this time, the third threaded rod 18 does not rotate when moving upwards, the third threaded rod 18 rotates to drive the two second sliding grooves 22 to rotate, the two second sliding grooves 22 rotate to drive the two second sliding blocks 23 to rotate, the two second sliding blocks 23 drive the second protruding block 24 to rotate, when the second protruding block 24 contacts with the first protruding block 31, the second protruding block 24 drives the second sliding block 23 to move upwards, it is described here that the surfaces of the first protruding block 31 and the second protruding block 24 are both in an arc design, the centers of the two are not in the same horizontal position, and the third spring 21 is compressed, and when the first protruding block 31 and the second protruding block 24 are dislocated, the second protruding block 24 beats the bottom of the second cavity 25; through beating the bottom of the second cavity 25, vibration is generated, damage to a finished product is avoided when the upper die 4 moves upwards, demolding is facilitated, and the practicability of the device is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A synthetic rubber part forming die comprises a shell (1), wherein electric telescopic rods (2) are fixedly connected to the positions of two sides of the inner wall of the upper end of the shell (1), the lower ends of the two electric telescopic rods (2) are fixedly connected with a supporting plate (3) together, the lower end of the supporting plate (3) is fixedly connected with an upper die (4), and a lower die (5) is fixedly connected to the lower portion between the inner walls of the two sides of the shell (1);

the device is characterized in that a trimming mechanism (6) is arranged in the lower die (5);

the trimming mechanism (6) can cut off leftover materials generated by extruding materials.

2. The mold for molding the synthetic rubber part according to claim 1, wherein the trimming mechanism (6) comprises a first groove (601), the first groove (601) is arranged at the inner right side of the housing (1) near the front and rear ends, a first threaded rod (602) is rotatably connected to the inner side of the first groove (601), a transverse plate (603) is fixedly connected to the right side of the support plate (3), the inner right side of the transverse plate (603) is in spiral transmission with the rod wall of the first threaded rod (602), a first bevel gear (615) is fixedly connected to the position of the rod wall of the first threaded rod (602) near the lower end, first sliding grooves (604) are respectively formed at the inner front and rear ends of the lower mold (5) near the upper end, a second threaded rod (605) is rotatably connected to the inner side of the first sliding grooves (604), and a second bevel gear (606) is fixedly connected to the right side of the second threaded rod (605), the outer side of the second bevel gear (606) is meshed with the outer side of a first bevel gear (615), a first sliding block (608) is spirally transmitted on the rod wall of the second threaded rod (605), a first spring (607) is fixedly connected to the right side of the first sliding block (608), a moving block (609) is fixedly connected to the left side of the first spring (607), the inner portion of the moving block (609) is slidably connected with the rod wall of the second threaded rod (605), a second groove (616) is formed in the lower end of the first sliding groove (604), a second spring (612) is fixedly connected to the inner portion of the second groove (616), a clamping block (611) is fixedly connected to the upper end of the second spring (612), a supporting block (610) is slidably connected to the left side of the moving block (609) on the rod wall of the second threaded rod (605), and a cutting knife (617) is fixedly connected between the two opposite sides of the supporting block (610), the wall of the first threaded rod (602) is located at the upper end of the first bevel gear (615) and is fixedly connected with a rotary table (614), the surface of the rotary table (614) is fixedly connected with a connecting rope (613), and the left side of the connecting rope (613) is fixedly connected with the right side of the supporting block (610).

3. Mould for forming synthetic rubber parts, according to claim 2, wherein the second threaded rod (605) is threaded on the right and is of smooth design on the left.

4. The mold for molding synthetic rubber parts according to claim 2, wherein the lower end of the first threaded rod (602) is rotatably connected with a first one-way bearing (7), the inside of the first one-way bearing (7) is rotatably connected with a rotating rod (9), the center of the rod wall of the rotating rod (9) is fixedly connected with a double-runner wheel (8), the inner outer edge of the double-runner wheel (8) is rotatably connected with a push rod (10), the inner surface of the lower end of the shell (1) is fixedly connected with a first air cylinder (13), the inside of the first air cylinder (13) is slidably connected with a one-way valve (12), the right side of the one-way valve (12) is fixedly connected with the left side of the push rod (10), the upper end of the first air cylinder (13) is fixedly connected with an air pipe (14) at a position close to the left side, and the upper end of the air pipe (14) is fixedly connected with the lower end of the lower mold (5), a first cavity (15) is formed in the lower end of the inner portion of the lower die (5), an ejector block (16) is evenly connected to the inner surface of the lower die (5) in a sliding mode, and vent grooves (17) are formed in the two sides of the ejector block (16).

5. The mold for molding synthetic rubber parts according to claim 2, wherein a position of the inner surface of the lower end of the housing (1) near the right side is fixedly connected with a limit plate (11), and the rod wall of the pushing rod (10) is slidably connected with the inside of the limit plate (11).

6. The mold for molding synthetic rubber parts according to claim 2, wherein the lower mold (5) is provided with an inclined through hole (26) at the left side of the first sliding groove (604), and the lower part of the left side of the housing (1) is fixedly connected with the receiving box (27).

7. An elastomeric element forming die according to claim 2, wherein said first threaded shaft (602) has a smaller number of threads than said second threaded shaft (605).

8. The mold for molding synthetic rubber member according to claim 1, wherein a lower end of said moving block (609) is fitted to a lower end of said first slide groove (604).

9. The mold for molding synthetic rubber parts according to claim 1, wherein the upper mold (4) has a second cavity (25) formed therein, the upper end of the second cavity (25) is rotationally connected with a third threaded rod (18), the upper end inside the shell (1) is rotationally connected with a second one-way bearing (19), the inner part of the second one-way bearing (19) is in screw transmission with the rod wall of the third threaded rod (18), the lower end of the inner part of the second cavity (25) is fixedly connected with a first lug (31), the lower parts of the two sides of the third threaded rod (18) are both provided with second sliding chutes (22), a second sliding block (23) is connected inside the second sliding chute (22) in a sliding way, the upper end of the second sliding block (23) is fixedly connected with a third spring (21), and a second convex block (24) is fixedly connected to one side, far away from the third threaded rod (18), of the second sliding block (23).

10. An elastomer part forming die according to claim 5, wherein the upper end of the supporting plate (3) is fixedly connected with a second air cylinder (28) at a position close to both sides, a first piston (30) is slidably connected inside the second air cylinder (28), a connecting rod (29) is fixedly connected with the upper end of the first piston (30), the upper end of the connecting rod (29) is fixedly connected with the inner surface of the upper end of the housing (1), and a blow pipe (20) is fixedly connected with the opposite side of the two second air cylinders (28) close to the upper end.