Shearing device for bottle blank injection molding

By designing a shearing device for preform injection molding, including an efficient cutting mechanism and recycling system, the problems of low preform cutting efficiency and inconvenient waste disposal in traditional methods are solved, achieving fast, precise cutting and efficient waste disposal. Recycle.

CN222372210UActive Publication Date: 2025-01-21LONGYUAN IND SHANTOU CITY
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Patent Information

Application Number
CN202423180998.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-01-21
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

The traditional method of removing excess material from plastic bottle preforms is inefficient and has low accuracy, which can easily cause damage to the bottle preforms or incomplete shearing.

Method used

A shearing device for bottle preform injection molding is designed, which includes a cutting mechanism and a recycling box. The cutting mechanism realizes rapid cutting through a threaded shaft, a cutting disk and a motor drive. The recycling box realizes waste removal through a negative pressure fan and a suction pipe. Efficient recycling.

Benefits of technology

It achieves fast and precise cutting and trimming of bottle preforms, solves the problem of waste disposal through an efficient recycling system, and improves production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of plastic products, and discloses a shearing device for bottle blank injection molding, which comprises a first fixing rod, the left side and the right side of the back surface of the first fixing rod are fixedly connected with a fixing roller, and the back surface of the fixing roller is fixedly connected with a second fixing rod. Supporting legs are fixedly connected to the left sides and the right sides of the lower surfaces of the first fixing rod and the second fixing rod correspondingly. A sliding groove is formed in the middle of the upper surface of a transverse plate, a threaded pipe can slide in the sliding groove, a first nut is responsible for fixing the position of the threaded pipe, a second rotating shaft penetrates through the middle of the interior of a top disc and the middle of the interior of the threaded pipe, a cutting disc can rotate through the second rotating shaft, and a bottom disc corresponds to a second limiting disc. The connecting shaft is vertically connected between the chassis and the second limiting disc, the belt sleeves the outer surface of the connecting shaft, and the second motor drives the cutting disc to operate through the first rotating rod, so that the effect of conveniently and quickly cutting and trimming the bottle preform can be achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of plastic products, in particular to a shearing device for bottle preform injection molding. Background Art

[0002] Bottle preform injection molding is a plastic processing method that injects molten plastic into a mold to form a plastic bottle preform with a certain shape and size after cooling. These bottle preforms can then be further formed into final products such as beverage bottles, cosmetic bottles, etc. through secondary processing steps such as blow molding.

[0003] In the production process of plastic bottles, the preforms after injection molding usually have gate materials or other excess materials, which need to be removed for subsequent processing or use. Traditional removal methods mostly use manual shearing or simple mechanical shearing, which is inefficient and low in precision, and can easily cause damage to the preforms or incomplete shearing. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides a shearing device for bottle preform injection molding, which has the advantages of being able to conveniently and quickly cut and trim the bottle preform, and solves the problems mentioned in the above background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shearing device for preform injection molding, comprising a first fixed rod, the left and right sides of the back side of the first fixed rod are fixedly connected to the fixed roller, the back side of the fixed roller is fixedly connected to the second fixed rod, the left and right sides of the lower surfaces of the first fixed rod and the second fixed rod are fixedly connected to support legs, the back side of the first fixed rod and the front side of the second fixed rod are fixedly connected to a number of sleeves, the interior of the sleeve is provided with a first rotating shaft, one end of the first rotating shaft is fixedly connected to a rotating roller, the outer surface of the rotating roller is provided with a conveyor belt, the upper part of the conveyor belt is provided with a cutting mechanism, the front side of the first fixed rod is provided with a material receiving mechanism, the cutting mechanism comprises a threaded shaft, the number of the threaded shaft is two, the two threaded shafts are respectively arranged in the middle of the upper surfaces of the first fixed rod and the second fixed rod, a first nut is arranged below the outer surface of the threaded shaft, the nut The top of the grooved shaft is fixedly connected to a top plate, and the middle part of the upper surface of the top plate is fixedly connected to a telescopic rod, the top of the telescopic rod is fixedly connected to a cross plate, the middle part of the upper surface of the cross plate is provided with a slide groove, a number of threaded tubes are arranged inside the slide groove, the top of the threaded tube is fixedly connected to a first limiting plate, a second nut is arranged below the outer surface of the threaded tube, a second rotating shaft is arranged inside the threaded tube, the bottom of the second rotating shaft is fixedly connected to a cutting disk, the top of the second rotating shaft is fixedly connected to a chassis, the middle part of the upper surface of the chassis is fixedly connected to a connecting shaft, the top of the connecting shaft is fixedly connected to a second limiting plate, the outer surface of the connecting shaft is provided with a belt, the upper surface of the cross plate is fixedly connected to a supporting rod in the middle part of a side close to the front side, the top of the supporting rod is fixedly connected to a connecting plate, and a second motor is fixedly installed on one side of the lower surface of the connecting plate, and the bottom of the second motor is fixedly connected to the first rotating rod.

[0008] Preferably, a first motor is disposed in the middle of the left side of the front side of the first fixing rod, and a connecting rod is fixedly connected to the middle of the front side of the first motor.

[0009] The first motor drives the conveyor belt to move via the first rotating shaft, and the connecting rod is connected to the front side of the first motor and the left side of the front side of the first fixing rod.

[0010] Preferably, the material receiving mechanism includes a recycling box, which is arranged on the outside of the lower left side of the front side of the first fixed rod, and the four corners of the lower surface of the recycling box are fixedly connected with supporting feet, and a discharge port is opened in the upper middle part of the front side of the recycling box.

[0011] Preferably, a sealing plate is provided on the outside of the front of the discharge port, a handle is fixedly connected to the middle of the front of the sealing plate, and a filter plate is fixedly connected to the upper part of the inner wall of the recovery box.

[0012] The interior of the recycling box is used to store the waste cut from the bottle embryos. The legs support the recycling box. The discharge port runs through the upper front of the recycling box to facilitate cleaning of the waste inside the recycling box. The sealing plate can be stuck inside the discharge port to block the discharge port. The handle facilitates the operator to take the sealing plate. The filter plate can filter the waste entering the recycling box to prevent it from falling into the lower part of the recycling box and affecting the operation of the negative pressure fan.

[0013] Preferably, a third fixed rod is fixedly connected to the middle part of the left side of the inner wall of the recycling box, a third motor is fixedly installed in the middle part of the lower surface of the third fixed rod, a second rotating rod is fixedly connected to the bottom of the third motor, a negative pressure fan is arranged at the bottom of the second rotating rod, and a number of through holes are opened at the inner bottom of the recycling box.

[0014] The third fixed rod is vertically connected between the middle parts of the left and right sides of the inner wall of the recycling box, and is used to install the third motor. The third motor drives the negative pressure fan to operate through the second rotating rod at the bottom, so that the interior of the recycling box is in a negative pressure state, which is convenient for absorbing waste. The through hole runs through the bottom of the interior of the recycling box to ensure the operation of the negative pressure fan.

[0015] Preferably, a suction pipe is fixedly connected to the middle of the upper surface of the recovery box, and a fixing box is fixedly connected to the other end of the suction pipe, and a circulation groove is opened on the right side of the fixing box.

[0016] The suction pipe is connected between the recovery box and the fixed box, and the waste material enters the interior of the recovery box through the flow slot and the suction pipe.

[0017] Compared with the prior art, the utility model provides a shearing device for preform injection molding, which has the following beneficial effects:

[0018] 1. The utility model has a slide groove opened in the middle of the upper surface of the horizontal plate, and the threaded tube can slide inside the slide groove. The first nut is responsible for fixing the position of the threaded tube. The second rotating shaft runs through the middle of the top plate and the inner part of the threaded tube. The cutting disk can rotate through the second rotating shaft. The bottom plate and the second limiting plate correspond to each other. The connecting shaft is vertically connected between the bottom plate and the second limiting plate. The belt is sleeved on the outer surface of the connecting shaft. The second motor drives the cutting disk to operate through the first rotating rod, so as to achieve the effect of conveniently and quickly cutting and trimming the bottle embryo.

[0019] 2. The utility model uses a third motor arranged inside the recycling box, and the third motor drives the negative pressure fan to operate through the second rotating rod at the bottom, so that the inside of the recycling box is in a negative pressure state, and the cut waste is sucked into the recycling box through the suction pipe and the fixed box, so that it is convenient for operators to recycle the waste cut from the bottle embryos. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the conveyor belt of the utility model, a top view and a cross-sectional view;

[0022] Figure 3 This is a schematic diagram of the side view structure of the cutting mechanism of the utility model;

[0023] Figure 4 This is a schematic diagram of the cutting mechanism structure of the utility model;

[0024] Figure 5 This is a schematic diagram of the internal structure of the recycling box of the utility model.

[0025] Among them: 1. first fixed rod; 101. fixed roller; 102. second fixed rod; 103. supporting leg; 104. sleeve; 105. first rotating shaft; 106. rotating roller; 107. conveyor belt; 108. first motor; 109. connecting rod; 2. cutting mechanism; 201. threaded shaft; 202. first nut; 203. top plate; 204. telescopic rod; 205. horizontal plate; 206. slide; 207. threaded tube; 208. first limiting plate; 209. second nut; 210. second rotating shaft; 211. cutting plate; 212 , chassis; 213, connecting shaft; 214, second limiting plate; 215, belt; 216, support rod; 217, connecting plate; 218, second motor; 219, first rotating rod; 3, material receiving mechanism; 301, recycling box; 302, supporting foot; 303, discharge port; 304, sealing plate; 305, handle; 306, filter plate; 307, third fixed rod; 308, third motor; 309, second rotating rod; 310, negative pressure fan; 311, through hole; 312, suction pipe; 313, fixed box; 314, circulation slot. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5A shearing device for preform injection molding, comprising a first fixed rod 1, both left and right sides of the back of the first fixed rod 1 are fixedly connected to a fixed roller 101, the back of the fixed roller 101 is fixedly connected to a second fixed rod 102, both left and right sides of the lower surfaces of the first fixed rod 1 and the second fixed rod 102 are fixedly connected to support legs 103, both the back of the first fixed rod 1 and the front of the second fixed rod 102 are fixedly connected to a number of sleeves 104, a first rotating shaft 105 is arranged inside the sleeve 104, and one end of the first rotating shaft 105 is fixedly connected to a rotating roller 106 A conveyor belt 107 is arranged on the outer surface of the rotating roller 106, a cutting mechanism 2 is arranged above the conveyor belt 107, a material receiving mechanism 3 is arranged on the front of the first fixed rod 1, the first fixed rod 1 and the second fixed rod 102 are parallel to each other, the fixed roller 101 is connected between the first fixed rod 1 and the second fixed rod 102, the supporting legs 103 support the first fixed rod 1 and the second fixed rod 102, the first rotating shaft 105 can rotate inside the sleeve 104, and the conveyor belt 107 can move on the outer surface of the rotating roller 106 and the fixed roller 101;

[0028] The cutting mechanism 2 includes a threaded shaft 201, and the number of the threaded shafts 201 is two. The two threaded shafts 201 are respectively arranged at the middle of the upper surface of the first fixed rod 1 and the second fixed rod 102. A first nut 202 is arranged below the outer surface of the threaded shaft 201. The top of the threaded shaft 201 is fixedly connected to a top plate 203, and a telescopic rod 204 is fixedly connected to the middle of the upper surface of the top plate 203. A cross plate 205 is fixedly connected to the top of the telescopic rod 204. A slide groove 206 is opened in the middle of the upper surface of the cross plate 205. A number of threaded tubes 207 are arranged inside the slide groove 206. The top of the threaded tube 207 is fixedly connected to a first limiting plate 208. A second nut 209 is arranged below the outer surface of the threaded tube 207. 07 is provided with a second rotating shaft 210 inside, a cutting disc 211 is fixedly connected to the bottom of the second rotating shaft 210, a chassis 212 is fixedly connected to the top of the second rotating shaft 210, a connecting shaft 213 is fixedly connected to the middle of the upper surface of the chassis 212, a second limiting plate 214 is fixedly connected to the top of the connecting shaft 213, a belt 215 is provided on the outer surface of the connecting shaft 213, a support rod 216 is fixedly connected to the middle of the upper surface of the cross plate 205 near the front side, a connecting plate 217 is fixedly connected to the top of the support rod 216, a second motor 218 is fixedly installed on one side of the lower surface of the connecting plate 217, a first rotating rod 219 is fixedly connected to the bottom of the second motor 218, and two threaded shafts 201 respectively penetrate the first fixed rod 1 and the inner middle of the second fixing rod 102, the first nut 202 and the threaded shaft 201 perform a threaded rotation movement, which is responsible for fixing the position of the threaded shaft 201, the top plate 203 limits the top position of the threaded shaft 201, the bottom of the telescopic rod 204 is vertically connected to the middle of the upper surface of the top plate 203, the cross plate 205 can move up and down through the telescopic rod 204, the slide 206 runs through the inner middle of the cross plate 205, the threaded tube 207 can slide inside the slide 206, the first limiting plate 208 limits the top of the threaded tube 207, the second nut 209 and the threaded tube 207 perform a threaded rotation movement, which is responsible for fixing the position of the threaded tube 207, and the second rotating shaft 210 runs through The cutting disc 211 is located in the middle of the first limiting plate 208 and the threaded tube 207, and can rotate therein. The cutting disc 211 can rotate through the second rotating shaft 210. The chassis 212 and the second limiting plate 214 are parallel to each other. The connecting shaft 213 is connected between the chassis 212 and the second limiting plate 214. The belt 215 is sleeved on the outside of the connecting shaft 213, and drives a number of cutting discs 211 to move at the same time. The bottom of the support rod 216 is vertically connected to the middle of one side of the upper surface of the cross plate 205. The connecting plate 217 is used to install the second motor 218. The second motor 218 drives the connecting shaft 213 and the second rotating shaft 210 to rotate through the first rotating rod 219 at the bottom, and then drives the cutting disc 211 to move.

[0029] Specifically, Figure 2 As shown, a first motor 108 is disposed in the middle of the left front side of the first fixing rod 1 , and a connecting rod 109 is fixedly connected to the middle of the front side of the first motor 108 .

[0030] Through the above technical solution, the first motor 108 drives the conveyor belt 107 to move through the first rotating shaft 105, and the connecting rod 109 is connected to the front side of the first motor 108 and the left side of the front side of the first fixing rod 1.

[0031] Specifically, Figure 4 As shown, the material collecting mechanism 3 includes a recycling box 301, which is arranged on the lower left side of the front side of the first fixed rod 1, and the four corners of the lower surface of the recycling box 301 are fixedly connected with supporting feet 302, and a discharge port 303 is opened in the middle of the upper front side of the recycling box 301, and a sealing plate 304 is arranged on the outside of the front side of the discharge port 303, and a handle 305 is fixedly connected to the middle of the front side of the sealing plate 304, and a filter plate 306 is fixedly connected to the upper inner wall of the recycling box 301.

[0032] Through the above technical solution, the interior of the recycling box 301 is used to store the waste cut from the bottle embryos, the supporting legs 302 support the recycling box 301, and the discharge port 303 runs through the upper front of the recycling box 301, which is convenient for cleaning the waste inside the recycling box 301, and the sealing plate 304 can be stuck inside the discharge port 303 to block the discharge port 303. The handle 305 is convenient for the operator to take the sealing plate 304, and the filter plate 306 can filter the waste entering the recycling box 301 to prevent it from falling into the lower part of the recycling box 301 and affecting the operation of the negative pressure fan 310.

[0033] Specifically, Figure 4 As shown, a third fixed rod 307 is fixedly connected to the middle part of the left side of the inner wall of the recycling box 301, a third motor 308 is fixedly installed in the middle part of the lower surface of the third fixed rod 307, a second rotating rod 309 is fixedly connected to the bottom of the third motor 308, a negative pressure fan 310 is arranged at the bottom of the second rotating rod 309, and a number of through holes 311 are opened at the inner bottom of the recycling box 301.

[0034] Through the above technical solution, the third fixed rod 307 is vertically connected between the middle parts of the left and right sides of the inner wall of the recycling box 301, and is used to install the third motor 308. The third motor 308 drives the negative pressure fan 310 to operate through the second rotating rod 309 at the bottom, so that the interior of the recycling box 301 is in a negative pressure state, which is convenient for absorbing waste. The through hole 311 runs through the inner bottom of the recycling box 301 to ensure the operation of the negative pressure fan 310.

[0035] Specifically, Figure 1As shown, a suction pipe 312 is fixedly connected to the middle of the upper surface of the recovery box 301 , and a fixing box 313 is fixedly connected to the other end of the suction pipe 312 . A flow slot 314 is opened on the right side of the fixing box 313 .

[0036] Through the above technical solution, the suction pipe 312 is connected between the recovery box 301 and the fixed box 313 , and the waste enters the interior of the recovery box 301 through the circulation slot 314 and the suction pipe 312 .

[0037] When in use, the operator adjusts the height of the cutting disc 211 through the telescopic rod 204 according to the size of the bottle preform, so that the excess material on the top of the bottle preform can be cut off, and the spacing between adjacent cutting discs 211 is adjusted horizontally according to the spacing between the bottle preforms. The second nut 209 is adjusted and rotated to fix its position. The first motor 108 drives the conveyor belt 107 to run through the first rotating shaft 105 to transport the bottle preform. The second motor 218 drives the cutting disc 211 to rotate through the connecting shaft 213 and the second rotating shaft 210 to cut the bottle preform. The negative pressure state inside the recycling box 301 sucks the waste cut from the right side into the recycling box 301 through the suction pipe 312 and the circulation slot 314. Finally, the sealing plate 304 is opened to process the waste inside.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shearing device for preform injection molding, comprising a first fixing rod, characterized in that: The left and right sides of the back side of the first fixed rod are fixedly connected to the fixed roller, the back side of the fixed roller is fixedly connected to the second fixed rod, the left and right sides of the lower surfaces of the first fixed rod and the second fixed rod are fixedly connected to support legs, the back side of the first fixed rod and the front side of the second fixed rod are fixedly connected to a number of sleeves, a first rotating shaft is arranged inside the sleeve, one end of the first rotating shaft is fixedly connected to a rotating roller, a conveyor belt is arranged on the outer surface of the rotating roller, a cutting mechanism is arranged above the conveyor belt, a material receiving mechanism is arranged on the front side of the first fixed rod, and the cutting mechanism includes a threaded shaft, the number of the threaded shafts is two, and the two threaded shafts are respectively arranged in the middle of the upper surfaces of the first fixed rod and the second fixed rod, a first nut is arranged below the outer surface of the threaded shaft, the top of the threaded shaft is fixedly connected to a top plate, the upper surface of the top plate The top of the second rotary shaft is fixedly connected to the chassis, the middle part of the upper surface of the chassis is fixedly connected to the supporting rod, the top of the supporting rod is fixedly connected to the second limiting plate, the top of the second rotary shaft is fixedly connected to the second limiting plate, the outer surface of the connecting shaft is provided with a belt, the outer surface of the connecting shaft is provided with a supporting rod, the middle part of the upper surface of the cross plate close to the front side is fixedly connected to the supporting rod, the top of the supporting rod is fixedly connected to the connecting plate, the lower surface of the connecting plate is fixedly installed with a second motor, and the bottom of the second motor is fixedly connected to the first rotating rod.

2. A shearing device for preform injection molding according to claim 1, characterized in that: A first motor is arranged at the middle left portion of the front side of the first fixing rod, and a connecting rod is fixedly connected to the middle portion of the front side of the first motor.

3. A shearing device for preform injection molding according to claim 1, characterized in that: The material receiving mechanism comprises a recycling box, which is arranged outside the lower left side of the front side of the first fixed rod, and the four corners of the lower surface of the recycling box are fixedly connected with supporting feet, and a discharge port is opened in the upper middle part of the front side of the recycling box.

4. A shearing device for preform injection molding according to claim 3, characterized in that: A sealing plate is arranged outside the front of the discharge port, a handle is fixedly connected to the middle of the front of the sealing plate, and a filter plate is fixedly connected to the upper part of the inner wall of the recovery box.

5. A shearing device for preform injection molding according to claim 3, characterized in that: A third fixing rod is fixedly connected to the middle part of the left side of the inner wall of the recycling box, a third motor is fixedly installed in the middle part of the lower surface of the third fixing rod, a second rotating rod is fixedly connected to the bottom of the third motor, a negative pressure fan is arranged at the bottom of the second rotating rod, and a number of through holes are opened at the inner bottom of the recycling box.

6. A shearing device for preform injection molding according to claim 3, characterized in that: A suction pipe is fixedly connected to the middle part of the upper surface of the recovery box, and a fixing box is fixedly connected to the other end of the suction pipe. A circulation slot is opened on the right side of the fixing box.