CN217021399U

CN217021399U - Blow molding bottle embryo mouth of a river shearing mechanism

Info

Publication number: CN217021399U
Application number: CN202220505658.8U
Authority: CN
Inventors: 李玉兵
Original assignee: Hubei Mingda Plastic Products Co ltd
Current assignee: Hubei Mingda Plastic Products Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-07-22
Anticipated expiration: 2032-03-07

Abstract

The utility model provides a blow molding bottle embryo water gap shearing device which comprises a rack, wherein a conveyor belt, a first motor and a first speed reducer are arranged in the rack, and the first motor can drive the conveyor belt to run through the first speed reducer; the machine frame is also internally provided with two belt pulleys and a guide plate, the two belt pulleys are connected by a belt, and a material guide gap is formed between the belt and the guide plate; a cutter is fixed on the lower surface of the guide plate; the rack is also internally provided with a second motor and a second speed reducer, and the second motor can drive one of the belt pulleys to rotate through the second speed reducer. The utility model has the advantages of completely realizing mechanized and automatic cutting operation of the bottle blank water gap, and the like.

Description

Blow molding bottle blank water gap shearing device

Technical Field

The utility model relates to the technical field of plastic packaging processing equipment, in particular to a blow molding bottle blank water gap shearing device.

Background

In the production process of plastic bottles, plastic granules are usually processed into a continuous tube by an injection molding machine, and then the tube is placed in a blow molding mold for blow molding operation to form a bottle blank. The tubular material for blow molding must be longer than the blow mold, so that redundant material, commonly called as 'water gap', is formed at the upper end and the lower end of the bottle blank. For finally with body machine-shaping, we still need all get rid of the mouth of a river at both ends about the bottle embryo, especially to the mouth of a river of bottle embryo upper end, it gets rid of the mode that needs to adopt the excision, still need guarantee notched planarization simultaneously, so this process is wasted time and energy, need save the manual work with the help of mechanized automatic production with the improvement production efficiency, further enlarge the enterprise profit.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides an automatic shearing device for a water gap of an injection molded bottle preform, aiming at realizing automatic production of automatic shearing of the water gap of a blow molded bottle preform.

The purpose of the utility model can be realized by the following technical scheme: a blow molding bottle embryo water gap shearing device is characterized by comprising a rack, wherein a conveyor belt, a first motor and a first speed reducer are arranged in the rack, and the first motor can drive the conveyor belt to run through the first speed reducer; the machine frame is also internally provided with two belt pulleys and a guide plate, the two belt pulleys are connected by a belt, and a material guide gap is formed between the belt and the guide plate; a cutter is fixed on the lower surface of the guide plate; the rack is internally provided with a second motor and a second speed reducer, and the second motor can drive one belt pulley to rotate through the second speed reducer.

The bottle blank formed by the blow molding machine is firstly broken off at the lower end water gap by related equipment and then is placed on a conveyor belt. A first motor in the device drives the conveyor belt to run through the first speed reducer, and then bottle blanks are sequentially conveyed into the device. When the bottle blank is subjected to blow molding, a ring groove is formed in advance at the top end of the bottle blank, and after the bottle blank enters a mounted device, the two sides of the ring groove are clamped with the guide plate and the edge of the belt at the same time; meanwhile, the second motor drives the belt pulley to rotate through a second speed reducer, so that the bottle blanks rotate and advance in the material guide gap; and the cutter is fixed on the lower surface of the guide plate, and the distance between the cutter edge and the belt is large and small, so that the bottle embryo can be continuously cut until the water gap at the top end of the bottle embryo is removed. The device adopts mechanical automation to cut off the water gap at the top of the bottle blank, improves the production efficiency, saves the labor and further enlarges the enterprise profit. And this device is when cutting the mouth of a river operation, takes to predetermine the annular, and the block is between baffle and belt, and we only need predetermine the distance of annular and incision department, makes its and baffle and the distance phase-match between the cutter cutting edge, can realize the accurate cutting to the bottle embryo, makes the packing bottle quality of processing more excellent. Moreover, the device adopts a rotary cutting mode, so that the cut can be smoother, and the quality of the bottle is further ensured.

In the above device for shearing a water gap of a blow-molded bottle preform, two opposite side surfaces in the rack are fixedly provided with first mounting plates, and each first mounting plate is provided with a plurality of sliding grooves; a plurality of sliding rods are further arranged in the rack, and two ends of each sliding rod are connected in the sliding grooves in a sliding manner; each sliding rod is connected with a first sliding sleeve and a second sliding sleeve in a sliding mode, a second mounting plate is arranged below each sliding rod, and each first sliding sleeve is fixedly connected with the corresponding second mounting plate, and each second sliding sleeve is fixedly connected with the corresponding guide plate through a connecting rod; the two belt pulleys are rotationally connected to the second mounting plate; each first mounting plate is connected with a sliding block in a sliding mode, and two ends of each sliding rod are fixedly connected with the sliding blocks; threaded holes are formed in the middle of each sliding block, threaded rods are connected in each threaded hole in a threaded mode, and each threaded rod is rotatably connected to the first mounting plate; and a turntable is fixed at the top of each screw.

Because the produced bottles are different in specifications, the positions of the belt and the guide plate are often adjusted according to the heights and sizes of the bottles. In the device, the two turntables are rotated to drive the two screw rods to rotate, so that the sliding block is driven to move up and down, the heights of the two ends of the sliding rod are adjusted, and finally the heights of the guide plate and the belt are synchronously adjusted. The guide plate and the second mounting plate are respectively fixed on the first sliding sleeve and the second sliding sleeve through connecting rods, and the positions of the guide plate and the belt can be horizontally adjusted by sliding the first sliding sleeve and the second sliding sleeve, so that the guide plate and the belt are matched with the outer diameter of the bottle blank in the radial direction.

In the above cutting device for the water gap of the blow-molded bottle preform, the material guiding gap comprises a straight section which is positioned right above the conveyor belt and is parallel to the conveyor belt and a bent section which is bent outwards from the conveyor belt; and a hopper is arranged below the bent section of the material guide gap in the rack.

After the device finishes cutting off the water gap, the water gap is separated from the bottle body, and the bottle body is continuously positioned on the conveying belt and conveyed to equipment of the next processing procedure; and the water gap is continuously clamped by the belt and the guide plate until the tail end of the material guide gap falls. And because guide clearance tail end is crooked outward to the conveyer belt, so the mouth of a river will drop outside the conveyer belt to finally fall into the hopper, realize the collection to the mouth of a river, with used repeatedly, but save material further improves the profit of enterprise.

Drawings

Fig. 1 is a schematic perspective view of the present apparatus.

Fig. 2 is a front view of the device.

Fig. 3 is a side view of the device.

Fig. 4 is a schematic top view of the apparatus.

In the figure, 1, a frame; 11. a conveyor belt; 12. a first motor; 13. a first speed reducer; 14. a pulley; 141. a belt; 15. a guide plate; 151. a cutter; 16. a second motor; 17. a second speed reducer; 18. a first mounting plate; 181. a chute; 182. a slide rod; 183. a first sliding sleeve; 184. a second sliding sleeve; 185. a second mounting plate; 186. a connecting rod; 187. a slider; 188. a screw; 189. a turntable; 19. a hopper; 2. bottle embryo; 21. and a ring groove.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a cutting device for a water gap of a blow-molded bottle preform comprises a frame, wherein a conveyor belt 11, a first motor 12 and a first speed reducer 13 are arranged in the frame 1, and the first motor 12 can drive the conveyor belt 11 to run through the first speed reducer 13; the frame 1 is also provided with two belt pulleys 14 and a guide plate 15, the two belt pulleys 14 are connected by a belt 141, and a material guide gap is formed between the belt 141 and the guide plate 15; a cutter 151 is fixed on the lower surface of the guide plate 15; a second motor 16 and a second speed reducer 17 are further arranged in the frame 1, and the second motor 16 can drive one of the belt pulleys 14 to rotate through the second speed reducer 17.

The bottle preform formed by the blow molding machine is firstly broken off at the water gap at the lower end by related equipment and then is placed on a conveyor belt 11. The first motor 12 in the device drives the conveyor belt 11 to run through the first speed reducer 13, and then the bottle blanks 2 are orderly conveyed into the device. When the bottle blank 2 is formed by blow molding, a ring groove 21 is formed in advance at the top end of the bottle blank 2, and after the bottle blank 2 enters a device to be mounted, the two sides of the ring groove are clamped with the edges of the guide plate 15 and the belt 141 at the same time; meanwhile, the second motor 16 drives the belt pulley 14 to rotate through the second speed reducer 17, so that the bottle blanks 2 rotate and advance in the material guide gap; the cutter 151 is fixed on the lower surface of the guide plate 15, and the distance between the edge of the cutter 151 and the belt 141 is large and small, so that the bottle preform 2 can be continuously cut until the water gap at the top end of the bottle preform 2 is removed. The device adopts mechanical automation to cut off the water gap at the top of the bottle blank 2, improves the production efficiency, saves the labor and further enlarges the enterprise profit. And this device is when cutting the mouth of a river operation, takes preset annular 21, block between baffle 15 and belt 141, we only need preset the distance of annular 21 and incision department, make it and the baffle 15 and the cutter 151 distance phase-match between the cutting edge, can realize the accurate cutting to bottle embryo 2, make the packing bottle quality of processing more excellent. Moreover, the device adopts a rotary cutting mode, so that the cut can be smoother, and the quality of the bottle is further ensured.

The two opposite side surfaces in the rack 1 are fixedly provided with first mounting plates 18, and each first mounting plate 18 is provided with a plurality of sliding grooves 181; a plurality of slide rods 182 are also arranged in the frame 1, and both ends of each slide rod 182 are connected in the sliding groove 181 in a sliding manner; each sliding rod 182 is connected with a first sliding sleeve 183 and a second sliding sleeve 184 in a sliding manner, a second mounting plate 185 is arranged below each sliding rod 182, and each first sliding sleeve 183 and each second sliding sleeve 184 are fixedly connected with a guide plate 15 through a connecting rod 186; both belt pulleys 14 are rotatably connected to the second mounting plate 185; each first mounting plate 18 is slidably connected with a sliding block 187, and both ends of each sliding rod 182 are fixedly connected with the sliding blocks 187; threaded holes are formed in the middle of each sliding block 187, threaded rods 188 are connected into the threaded holes in a threaded mode, and each threaded rod 188 is rotatably connected to the first mounting plate 18; a turntable 189 is fixed to the top of each screw 188.

Due to the different sizes of the produced bottles, the positions of the belt 141 and the guide plate 15 are often adjusted according to the heights and sizes of the bottles. In the device, the two turntables 189 can be rotated to drive the two screws 188 to rotate, so as to drive the sliding block 187 to move up and down, so that the heights of the two ends of the sliding rod 182 can be adjusted, and finally, the heights of the guide plate 15 and the belt 141 can be synchronously adjusted. The guide plate 15 and the second mounting plate 185 are fixed on the first sliding sleeve 183 and the second sliding sleeve 184 respectively through the connecting rod 186, and the position of the guide plate 15 and the belt 141 can be horizontally adjusted by sliding the first sliding sleeve 183 and the second sliding sleeve 184 to match the outer diameter of the bottle blank 2.

The material guiding gap comprises a straight section which is positioned right above the conveyor belt 11 and is parallel to the conveyor belt 11 and a bent section which is bent outwards towards the conveyor belt 11; a hopper 19 is arranged below the bent section of the material guide gap in the frame 1; after the device finishes cutting off the water gap, the water gap is separated from the bottle body, and the bottle body is continuously positioned on the conveying belt 11 and conveyed to equipment of the next processing procedure; the water gap is continuously clamped by the belt 141 and the guide plate 15 until the tail end of the material guiding gap falls. And because the tail end of the material guiding gap is bent outwards towards the conveyor belt 11, the water gap falls out of the conveyor belt 11 and finally falls into the hopper 19, so that the water gap is collected for reuse, materials can be saved, and the profit of enterprises is further improved.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The device for shearing the water gap of the blow-molded bottle blank is characterized by comprising a rack (1), wherein a conveyor belt (11), a first motor (12) and a first speed reducer (13) are arranged in the rack (1), and the first motor (12) can drive the conveyor belt (11) to run through the first speed reducer (13); the machine frame (1) is also internally provided with two belt pulleys (14) and a guide plate (15), the two belt pulleys (14) are connected through a belt (141), and a material guide gap is formed between the belt (141) and the guide plate (15); a cutter (151) is fixed on the lower surface of the guide plate (15); a second motor (16) and a second speed reducer (17) are further arranged in the rack (1), and the second motor (16) can drive one belt pulley (14) to rotate through the second speed reducer (17).

2. The shearing device for the water gap of the blow-molded bottle parison as claimed in claim 1, wherein the two opposite side surfaces in the frame (1) are fixedly provided with first mounting plates (18), and each first mounting plate (18) is provided with a plurality of sliding grooves (181); a plurality of sliding rods (182) are further arranged in the rack (1), and two ends of each sliding rod (182) are connected into the sliding groove (181) in a sliding manner; each sliding rod (182) is connected with a first sliding sleeve (183) and a second sliding sleeve (184) in a sliding mode, a second mounting plate (185) is arranged below each sliding rod (182), and each first sliding sleeve (183) is fixedly connected with the corresponding second mounting plate (185), and each second sliding sleeve (184) is fixedly connected with the corresponding guide plate (15) through a connecting rod (186); the two belt pulleys (14) are rotationally connected to a second mounting plate (185); each first mounting plate (18) is connected with a sliding block (187) in a sliding mode, and two ends of each sliding rod (182) are fixedly connected with the sliding blocks (187); threaded holes are formed in the middle of each sliding block (187), threaded rods (188) are connected in each threaded hole in a threaded mode, and each threaded rod (188) is rotatably connected to the first mounting plate (18); the top of each screw (188) is fixed with a turntable (189).

3. The shearing device for the water gap of the blow molded bottle blanks as recited in claim 1, wherein the guide gap comprises a straight section which is positioned right above the conveyor belt (11) and is parallel to the conveyor belt (11) and a curved section which is bent outwards from the conveyor belt (11); a hopper (19) is arranged below the bent section of the material guide gap in the frame (1).