Rear cover edge cutting device for injection molding of plastic bucket cover

Abstract

The utility model relates to the technical field of plastic bucket cover production, in particular to a rear cover edge cutting device for plastic bucket cover injection molding, which is uniform in clamping force on a plastic bucket cover and good in concentricity, and improves the quality of the plastic bucket cover. Comprising a rack, a motor, a turntable and cutters, the lower end of the rotating shaft is vertically and rotatably installed on the rack, an output shaft of the motor is in transmission connection with the rotating shaft, the upper end of the rotating shaft is concentrically and rotatably connected with the rotating disc, and the multiple clamping pieces are slidably installed in the multiple sliding grooves of the rotating disc respectively; the upper sliding sleeve and the lower sliding sleeve are both arranged on the rotating shaft in a sliding and sleeving mode, the lower ends of the multiple supporting rods are rotationally connected with the lower sliding sleeve, the upper ends of the multiple supporting rods are rotationally connected with the multiple clamping pieces correspondingly, the lower ends of the multiple connecting rods are rotationally connected with the middles of the multiple supporting rods correspondingly, and the upper ends of the multiple connecting rods are rotationally connected with the upper sliding sleeve. And the cutter cuts burrs of the plastic barrel cover.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic bucket lid production, in particular to a device for trimming the lid edge after injection molding of a plastic bucket lid. Background Art

[0002] After the injection molding of the plastic bucket lid, due to the error in injection molding precision, there are burrs on the edge of the plastic bucket lid. These burrs will affect the overall quality of the bucket lid, and a trimming device is needed to trim the burrs on the edge.

[0003] The Chinese utility model patent with the publication number CN220052669U in the prior art proposes a device for trimming the lid edge after injection molding of a plastic bucket lid. The device is provided with a fixing plate, an arc-shaped clamping block, a sliding block, a first electric push rod, a toothed ring, a moving block, a fixed pipe and a trimming knife, which is convenient for clamping the plastic bucket lid. The rotating trimming knife removes the burrs on the edge of the plastic bucket lid, and through a water tank, a delivery pipe and a nozzle, it is convenient to cool the trimming knife. By setting a delivery ring, an air outlet pipe, a telescopic pipe and a blower, it is convenient for multiple arc-shaped clamping blocks to discharge cold water to cool the trimming part of the bucket lid.

[0004] However, in the above prior art, the multiple arc-shaped clamping blocks for clamping the plastic bucket lid are respectively pushed by multiple electric push rods. Due to the telescopic error of the multiple electric push rods, it is easy to cause different clamping forces of the multiple arc-shaped clamping blocks on the plastic bucket lid, resulting in a deviation in the position of the plastic bucket lid, and further causing a deviation when trimming the burrs of the plastic bucket lid. Summary of the Utility Model

[0005] In order to solve the above technical problems, the utility model provides a device for trimming the lid edge after injection molding of a plastic bucket lid, which has uniform clamping force and good concentricity for the plastic bucket lid, and improves the quality of the plastic bucket lid.

[0006] An edge cutting device for the cover edge of an injection-molded plastic bucket lid of the present utility model includes a frame, a motor, a turntable, and a cutting tool. The motor is installed on the frame; it also includes a rotating shaft, an upper sliding sleeve, a lower sliding sleeve, a plurality of support rods, a plurality of connecting rods, and a plurality of clamping members. The lower end of the rotating shaft is vertically rotatably installed on the frame, the output shaft of the motor is in transmission connection with the rotating shaft, the upper end of the rotating shaft is concentrically rotatably connected to the turntable. The turntable is horizontally arranged, and a plurality of radially arranged chutes are circumferentially arranged on the turntable. The plurality of clamping members are respectively slidably installed in the plurality of chutes. Both the upper sliding sleeve and the lower sliding sleeve are slidably sleeved on the rotating shaft. The lower ends of the plurality of support rods are rotatably connected to the lower sliding sleeve, the upper ends of the plurality of support rods are respectively rotatably connected to the plurality of clamping members, the lower ends of the plurality of connecting rods are respectively rotatably connected to the middle parts of the plurality of support rods, and the upper ends of the plurality of connecting rods are rotatably connected to the upper sliding sleeve. The cutting tool is installed on the frame, and the cutting tool cuts the burrs of the plastic bucket lid; during operation, the relative distance between the upper sliding sleeve and the lower sliding sleeve is adjusted, so that the plurality of connecting rods expand or contract the plurality of support rods, so that the upper ends of the plurality of support rods drive the plurality of clamping members to synchronously move away from or close to along the plurality of chutes of the turntable, so that the plurality of clamping members concentrically clamp the plastic bucket lid on the turntable. The position of the cutting tool is adjusted so that the cutting edge of the cutting tool is in close contact with the plastic bucket lid. The motor is started, and the motor drives the rotating shaft to rotate. The rotating shaft drives the plurality of clamping members and the turntable to rotate through the upper sliding sleeve, the lower sliding sleeve, the plurality of support rods, and the plurality of connecting rods, so that the plastic bucket lid rotates, so that the cutting tool cuts the burrs of the plastic bucket lid. Compared with the prior art, the clamping force on the plastic bucket lid is more uniform, and the concentricity between the plastic bucket lid and the actual rotating shaft (the rotating shaft) is better, so as to avoid deviation when cutting the burrs of the plastic bucket lid, and improve the quality of the plastic bucket lid.

[0007] Preferably, the clamping member includes a slider, a threaded seat, a first screw rod, and a clamping plate. The slider is slidably installed in the chute of the turntable. The upper end of the support rod is rotatably connected to the slider. The threaded seat is installed on the slider. The first screw rod is rotatably screwed on the threaded seat. The clamping plate is rotatably installed at the end of the first screw rod; the plurality of sliders move synchronously along the plurality of chutes of the turntable under the drive of the plurality of support rods. Rotate the plurality of first screw rods to adjust the relative positions of the plurality of clamping plates and the plurality of threaded seats, and finely adjust the clamping position of the plastic bucket lid to improve the concentricity of the clamping of the plastic bucket lid.

[0008] Preferably, it further includes a spring. The spring is sleeved on the rotating shaft. The upper end of the spring is connected to the upper sliding sleeve, and the lower end of the spring is connected to the lower sliding sleeve; the elastic force of the spring keeps elasticity between the upper sliding sleeve and the lower sliding sleeve. When the plurality of sliders approach or move away, the upper sliding sleeve and the lower sliding sleeve approach or move away, compressing or stretching the spring, so that the plurality of clamping plates can clamp the plastic bucket lid with a certain force. The technology is mature and the practicability is good.

[0009] Preferably, it further includes a plurality of second screws, which are rotationally screwed on the turntable, and the lower ends of the plurality of second screws are rotationally connected to the upper sliding sleeve; by rotating the plurality of second screws, the plurality of second screws drive the upper sliding sleeve to lift and lower, so as to adjust the opening size of the plurality of clamping plates, facilitating the clamping of different plastic bucket lids, and having good versatility.

[0010] Preferably, it further includes a column, a sliding table, a third screw, a cross beam, a sliding seat and a locking bolt. The column is vertically installed on the frame, the sliding table is slidably installed on the column, the third screw is rotationally screwed on the column, the lower end of the third screw is rotationally connected to the sliding table, one end of the cross beam is installed on the sliding table, the sliding seat is slidably installed on the cross beam, the locking bolt is rotationally screwed on the sliding seat, the lower end of the locking bolt contacts the cross beam, and the cutting tool is installed below the sliding seat; by rotating the third screw, the third screw drives the sliding table to move up and down on the column, so that the sliding table drives the cross beam to lift and lower, the cross beam drives the cutting tool to lift and lower, moving the sliding seat along the cross beam, the sliding seat drives the cutting tool to move horizontally, so that the cutting edge of the cutting tool cuts the burrs of plastic bucket lids with different heights and different diameters, and has good versatility.

[0011] Preferably, it further includes a plurality of supporting wheels, which are rotationally installed on the frame through brackets, and the plurality of supporting wheels rollingly support the turntable; the plurality of supporting wheels rollingly support the turntable to improve the stability of the turntable.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: during operation, adjust the relative distance between the upper sliding sleeve and the lower sliding sleeve, so that the plurality of connecting rods expand or contract the plurality of struts, so that the upper ends of the plurality of struts drive the plurality of clamping members to synchronously move away from or close to along the plurality of sliding grooves of the turntable, so that the plurality of clamping members concentrically clamp the plastic bucket lid on the turntable, adjust the position of the cutting tool so that the cutting edge of the cutting tool is in close contact with the plastic bucket lid, start the motor, the motor drives the rotating shaft to rotate, the rotating shaft drives the plurality of clamping members and the turntable to rotate through the upper sliding sleeve, the lower sliding sleeve, the plurality of struts and the plurality of connecting rods, so that the plastic bucket lid rotates, so that the cutting tool cuts the burrs of the plastic bucket lid. Compared with the prior art, the clamping force on the plastic bucket lid is more uniform, and the concentricity between the plastic bucket lid and the actual rotating shaft is better, thus avoiding deviation when cutting the burrs of the plastic bucket lid, and improving the quality of the plastic bucket lid. Brief Description of the Drawings

[0013] Figure 1 is the structural schematic diagram of the present utility model;

[0014] Figure 2 is the front sectional structural schematic diagram of the present utility model;

[0015] Figure 3 is the top view structural schematic diagram of the present utility model;

[0016] Figure 4It is a structural schematic diagram of structures such as a motor, a rotating shaft, an upper sliding sleeve, a lower sliding sleeve, a support rod, a connecting rod, and a clamping member;

[0017] Figure 5 It is an axonometric elevation structural schematic diagram of structures such as a motor, a rotating shaft, an upper sliding sleeve, a lower sliding sleeve, a support rod, a connecting rod, and a clamping member.

[0018] Reference signs in the drawings: 1, frame; 2, motor; 3, turntable; 4, cutting tool; 5, rotating shaft; 6, upper sliding sleeve; 7, lower sliding sleeve; 8, support rod; 9, connecting rod; 10, slider; 11, threaded seat; 12, first screw; 13, clamping plate; 14, spring; 15, second screw; 16, column; 17, slide table; 18, third screw; 19, cross beam; 20, slide seat; 21, locking bolt; 22, supporting wheel. Specific embodiments

[0019] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present invention is more thorough and comprehensive.

[0020] Embodiment 1

[0021] As Figures 1 to 5As shown in the figure, a device for trimming the edge of a plastic bucket lid after injection molding includes a frame 1, a motor 2, a turntable 3 and a cutting tool 4. The motor 2 is installed on the frame 1. It also includes a rotating shaft 5, an upper sliding sleeve 6, a lower sliding sleeve 7, a plurality of support rods 8, a plurality of connecting rods 9 and a plurality of clamping members. The lower end of the rotating shaft 5 is vertically rotatably installed on the frame 1. The output shaft of the motor 2 is drivingly connected to the rotating shaft 5. The upper end of the rotating shaft 5 is concentrically rotatably connected to the turntable 3. The turntable 3 is horizontally arranged. A plurality of radially arranged chutes are circumferentially arranged on the turntable 3. The plurality of clamping members are respectively slidably installed in the plurality of chutes. Both the upper sliding sleeve 6 and the lower sliding sleeve 7 are slidably sleeved on the rotating shaft 5. The lower ends of the plurality of support rods 8 are rotatably connected to the lower sliding sleeve 7. The upper ends of the plurality of support rods 8 are respectively rotatably connected to the plurality of clamping members. The lower ends of the plurality of connecting rods 9 are respectively rotatably connected to the middle parts of the plurality of support rods 8. The upper ends of the plurality of connecting rods 9 are rotatably connected to the upper sliding sleeve 6. The cutting tool 4 is installed on the frame 1. The cutting tool 4 trims the burrs of the plastic bucket lid. The clamping member includes a slider 10, a threaded seat 11, a first screw rod 12 and a clamping plate 13. The slider 10 is slidably installed in the chute of the turntable 3. The upper end of the support rod 8 is rotatably connected to the slider 10. The threaded seat 11 is installed on the slider 10. The first screw rod 12 is rotatably screwed on the threaded seat 11. The clamping plate 13 is rotatably installed at the end of the first screw rod 12. It also includes a spring 14. The spring 14 is sleeved on the rotating shaft 5. The upper end of the spring 14 is connected to the upper sliding sleeve 6. The lower end of the spring 14 is connected to the lower sliding sleeve 7. It also includes a plurality of second screw rods 15. The plurality of second screw rods 15 are rotatably screwed on the turntable 3. The lower ends of the plurality of second screw rods 15 are rotatably connected to the upper sliding sleeve 6.

[0022] Rotate multiple screws 12 to adjust the relative positions of multiple clamping plates 13 and multiple threaded seats 11, finely adjust the clamping positions of the plastic bucket lids, improve the concentricity of the clamping of the plastic bucket lids. When working, rotate multiple screws 15, so that multiple screws 15 drive the upper sliding sleeve 6 to move up and down, adjust the relative distance between the upper sliding sleeve 6 and the lower sliding sleeve 7, so that multiple connecting rods 9 expand or contract multiple support rods 8, so that the upper ends of multiple support rods 8 drive multiple sliders 10 to synchronously move away from or close to along multiple sliding grooves of the turntable 3, so that multiple clamping plates 13 concentrically clamp the plastic bucket lids on the turntable 3. The elastic force of the spring 14 keeps elasticity between the upper sliding sleeve 6 and the lower sliding sleeve 7. When multiple sliders 10 move close to or away from, the upper sliding sleeve 6 and the lower sliding sleeve 7 move close to or away from, compress or stretch the spring 14, so that multiple clamping plates 13 can clamp the plastic bucket lids with a certain force. Adjust the position of the cutting tool 4 so that the cutting edge of the cutting tool 4 is in close contact with the plastic bucket lid. Start the motor 2, the motor 2 drives the rotating shaft 5 to rotate, and the rotating shaft 5 drives multiple clamping parts and the turntable 3 to rotate through the upper sliding sleeve 6, the lower sliding sleeve 7, multiple support rods 8 and multiple connecting rods 9, so that the plastic bucket lid rotates, so that the cutting tool 4 cuts the burrs of the plastic bucket lid. Compared with the prior art, the clamping force on the plastic bucket lid is more uniform, and the concentricity between the plastic bucket lid and the actual rotating shaft rotating shaft 5 is better, so as to avoid deviation when cutting the burrs of the plastic bucket lid, and improve the quality of the plastic bucket lid.

[0023] Embodiment 2

[0024] As Figure 1 and Figure 2 As shown, on the basis of Embodiment 1, it further includes a column 16, a sliding table 17, a screw 18, a cross beam 19, a sliding seat 20 and a locking bolt 21. The column 16 is vertically installed on the frame 1, the sliding table 17 is slidably installed on the column 16, the screw 18 is rotationally screwed on the column 16, the lower end of the screw 18 is rotatably connected to the sliding table 17, one end of the cross beam 19 is installed on the sliding table 17, the sliding seat 20 is slidably installed on the cross beam 19, the locking bolt 21 is rotationally screwed on the sliding seat 20, the lower end of the locking bolt 21 contacts the cross beam 19, and the cutting tool 4 is installed below the sliding seat 20; it further includes multiple supporting wheels 22, and multiple supporting wheels 22 are rotatably installed on the frame 1 through brackets, and multiple supporting wheels 22 rollingly support the turntable 3.

[0025] Rotate the screw 18, so that the screw 18 drives the sliding table 17 to move up and down on the column 16, so that the sliding table 17 drives the cross beam 19 to move up and down, the cross beam 19 drives the cutting tool 4 to move up and down, move the sliding seat 20 along the cross beam 19, the sliding seat 20 drives the cutting tool 4 to move horizontally, so that the cutting edge of the cutting tool 4 cuts the burrs of plastic bucket lids with different heights and different diameters. Multiple supporting wheels 22 rollingly support the turntable 3 to improve the stability of the turntable 3.

[0026] As Figures 1 to 5As shown in the figure, a post-edge cutting device for an injection-molded plastic bucket lid of the present utility model, during operation, first rotates a plurality of second screws 15, so that the plurality of second screws 15 drive the upper sliding sleeve 6 to move up and down, adjust the relative distance between the upper sliding sleeve 6 and the lower sliding sleeve 7, so that the plurality of connecting rods 9 expand or contract the plurality of support rods 8, and the upper ends of the plurality of support rods 8 drive the plurality of sliders 10 to synchronously move away from or close to along the plurality of sliding grooves of the turntable 3, thereby adjusting the opening size of the plurality of clamping plates 13. Then, the elastic force of the spring 14 keeps the upper sliding sleeve 6 and the lower sliding sleeve 7 elastic. When the plastic bucket lid is clamped onto the plurality of clamping plates 13, it drives the plurality of sliders 10 to approach or move away, so that the upper sliding sleeve 6 and the lower sliding sleeve 7 approach or move away, compress or stretch the spring 14, so that the plurality of clamping plates 13 can clamp the plastic bucket lid with a certain force. Then rotate the third screw 18, so that the third screw 18 drives the sliding table 17 to move up and down on the column 16, so that the sliding table 17 drives the cross beam 19 to move up and down, and the cross beam 19 drives the cutting tool 4 to move up and down. Move the sliding seat 20 along the cross beam 19, and the sliding seat 20 drives the cutting tool 4 to move horizontally, so that the cutting edge of the cutting tool 4 is in close contact with the plastic bucket lid. Finally, the motor 2 is started, the motor 2 drives the rotating shaft 5 to rotate, and the rotating shaft 5 drives the plurality of clamping members and the turntable 3 to rotate through the upper sliding sleeve 6, the lower sliding sleeve 7, the plurality of support rods 8 and the plurality of connecting rods 9, so that the plastic bucket lid rotates, and the cutting tool 4 cuts the burrs of the plastic bucket lid.

[0027] The main functions achieved by the present utility model are:

[0028] 1. The clamping force on the plastic bucket lid is uniform and the concentricity is good, improving the quality of the plastic bucket lid;

[0029] 2. It can clamp plastic bucket lids with different heights and diameters, and has good versatility;

[0030] 3. It can flexibly adjust the position of the cutting tool.

[0031] For a post-edge cutting device for an injection-molded plastic bucket lid of the present utility model, its installation method, connection method or setting method are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented; the motor 2, turntable 3, cutting tool 4, rotating shaft 5, threaded seat 11, first screw 12, spring 14, second screw 15, sliding table 17, third screw 18, cross beam 19, sliding seat 20, locking bolt 21 of the post-edge cutting device for an injection-molded plastic bucket lid of the present utility model are purchased on the market, and technicians in this industry only need to install and operate according to the attached user manual, without the need for technicians in this field to make creative efforts.

[0032] All the technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the technical field to which the present utility model pertains. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments, and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0033] The above are only the preferred embodiments of the present utility model. It should be pointed out that for those of ordinary skill in the technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A device for cutting the edge of a plastic barrel lid after injection molding, comprising a frame (1), a motor (2), a turntable (3) and a cutting blade (4), wherein the motor (2) is mounted on the frame (1); characterized in that: The machine also comprises a rotating shaft (5), an upper sliding sleeve (6), a lower sliding sleeve (7), a plurality of support rods (8), a plurality of connecting rods (9) and a plurality of clamping members. The lower end of the rotating shaft (5) is vertically rotatably mounted on the frame (1). The output shaft of the motor (2) is transmission-connected with the rotating shaft (5). The upper end of the rotating shaft (5) is coaxially rotatably connected with the rotating disk (3). The rotating disk (3) is horizontally arranged. A plurality of radially arranged sliding grooves are arranged on the circumference of the rotating disk (3). The plurality of clamping members are respectively slidably mounted on the plurality of sliding grooves. In the slide groove, an upper sliding sleeve (6) and a lower sliding sleeve (7) are both slidably sleeved on the rotating shaft (5), the lower ends of a plurality of support rods (8) are rotatably connected to the lower sliding sleeve (7), the upper ends of the plurality of support rods (8) are respectively rotatably connected to a plurality of clamping members, the lower ends of a plurality of connecting rods (9) are respectively rotatably connected to the middle parts of the plurality of support rods (8), the upper ends of the plurality of connecting rods (9) are rotatably connected to the upper sliding sleeve (6), and a cutting knife (4) is installed on a frame (1), and the cutting knife (4) cuts the burrs of the plastic barrel cover.

2. A plastic barrel cover injection molding rear cover edge cutting device as claimed in claim 1, characterized in that: The clamping member comprises a slider (10), a threaded seat (11), a screw rod (12) and a clamping plate (13). The slider (10) is slidably mounted in a slide groove of a rotating disk (3). The upper end of the support rod (8) is rotatably connected to the slider (10). The threaded seat (11) is mounted on the slider (10). The screw rod (12) is rotatably screwed on the threaded seat (11). The clamping plate (13) is rotatably mounted on the end of the screw rod (12).

3. A plastic barrel cover injection molding rear cover edge cutting device as claimed in claim 1, characterized in that: It also includes a spring (14), which is sleeved on the rotating shaft (5), the upper end of the spring (14) is connected to the upper sliding sleeve (6), and the lower end of the spring (14) is connected to the lower sliding sleeve (7).

4. A plastic barrel cover injection molding rear cover edge cutting device as claimed in claim 1, characterized in that: It also includes a plurality of screw rods (15), which are rotatably screwed on the rotating disk (3), and the lower ends of the plurality of screw rods (15) are rotatably connected to the upper sliding sleeve (6).

5. The device for trimming the edge of a plastic barrel lid after injection molding as claimed in claim 1, characterized in that: The invention also comprises a column (16), a slide (17), a screw rod three (18), a cross beam (19), a slide seat (20) and a locking bolt (21), wherein the column (16) is vertically mounted on the frame (1), the slide seat (17) is slidably mounted on the column (16), the screw rod three (18) is rotatably screwed on the column (16), the lower end of the screw rod three (18) is rotatably connected to the slide seat (17), one end of the cross beam (19) is mounted on the slide seat (17), the slide seat (20) is slidably mounted on the cross beam (19), the locking bolt (21) is rotatably screwed on the slide seat (20), the lower end of the locking bolt (21) is in contact with the cross beam (19), and the cutting blade (4) is mounted below the slide seat (20).

6. A plastic barrel cover injection molding rear cover edge cutting device as claimed in claim 1, characterized in that: It also comprises a plurality of supporting wheels (22), wherein the plurality of supporting wheels (22) are rotatably mounted on the frame (1) via brackets, and the plurality of supporting wheels (22) rollingly support the turntable (3).

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