Plastic material leftover corner cutting device

Abstract

This utility model relates to the field of scrap material cutting technology, and in particular to a scrap material cutting device for plastic materials. It includes a cutting table, a cutting board to be cut, and a lower support leg. A base plate is mounted on the lower support leg, and a vacuum generator is mounted on the base plate. The vacuum generator has a vacuum suction cup. The cutting table has a vacuum suction hole and an upper support leg. A top plate is mounted on the upper support leg, and a cutting cylinder and a slag storage box are mounted on the top plate. A cutting die is mounted on the cutting cylinder, and a cleaning door and a slag conveying pipe are mounted on the slag conveying pipe. A slag suction hood is mounted on the slag conveying pipe, and a slag baffle and a slag pump are mounted on the slag storage box. This device prevents the cutting board from sliding on the cutting table during scrap material cutting, and avoids collisions and damage between the high-speed downward-moving cutting die and the sliding cutting board. It can quickly and completely suck away and store the cut scrap material for later cleaning.

Description

Technical Field

[0001] This utility model relates to the field of scrap cutting technology, and in particular to a scrap cutting device for plastic materials. Background Technology

[0002] Injection-molded plastic sheets, also known as injection-formed plastic sheets or injection molding machine plastic sheets, are plastic products made through the injection molding process. The injection molding process involves heating and melting thermoplastic raw materials, then injecting them into a mold under high pressure. After cooling and solidification, injection-molded plastic sheets are obtained.

[0003] Injection-molded plastic sheets are sheet structures. After cooling, molding, and demolding, there will be some scraps on the outer edges of the injection-molded plastic sheets. These scraps need to be cut to ensure the quality of the finished injection-molded plastic sheets. Therefore, a scrap cutting device for injection-molded plastic sheets is required.

[0004] During the cutting process, the injection-molded plastic sheet to be cut is placed on the cutting table, and then the cutting cylinder and the preset cutting die move downwards quickly. The cutting die can then cut off the outer edge of the injection-molded plastic sheet.

[0005] Currently, existing scrap cutting devices for injection molded plastic sheets generally place the sheet to be cut directly on the cutting table, which has low stability. If the sheet to be cut slips on the cutting table after being placed, it will cause the cutting die moving down at high speed above to collide and damage the sheet.

[0006] In addition, existing scrap cutting devices for injection molded plastic sheets accumulate a lot of scrap residue on the cutting table after long-term cutting, causing pollution to the working environment and making it inconvenient to clean.

[0007] The above problems are widespread and urgently need to be improved. Utility Model Content

[0008] The purpose of this invention is to address the aforementioned shortcomings in the existing technology by proposing a plastic scrap cutting device.

[0009] To achieve the above objectives, the present invention adopts the following technical solution:

[0010] Design a plastic scrap cutting device, including a cutting table, a cutting board to be cut and a lower support leg on the cutting table, a base plate on the lower support leg, a vacuum generator on the base plate, a vacuum suction cup on the vacuum generator, a vacuum suction hole and an upper support leg on the cutting table, a top plate on the upper support leg, a cutting cylinder and a slag storage box on the top plate, a cutting die on the cutting cylinder, a cleaning door and a slag conveying pipe on the slag conveying pipe, a slag suction cover on the slag storage box, and a slag baffle and a slag suction pump on the slag storage box.

[0011] Furthermore, the vacuum suction holes are arranged in six groups horizontally, with each group consisting of six vertically arranged holes. The vacuum suction holes vertically penetrate the cutting table and are connected to the vacuum suction cup.

[0012] Furthermore, the slag conveying pipe and the slag suction hood are a set, consisting of three arranged in a circle. The end of the slag suction hood facing the plate to be cut has a diffuser-shaped horn structure, and the lower end face of the outer wall of the slag suction hood is flush with the upper end face of the cutting table.

[0013] Furthermore, the top of the cutting die is positioned on the preset piston rod of the cutting cylinder, and the cutting die is a frame structure in whole, with four lower legs and four upper legs symmetrically arranged.

[0014] Furthermore, the interior of the slag storage box is a hollow cavity, the slag conveying pipe is connected to the slag storage box, and the lower end of the slag pump is provided with a suction pipe, which is located inside the slag storage box and is higher than the slag blocking net.

[0015] Furthermore, the cleaning door is located at the front end of the slag storage box, the slag-blocking net is inclined, and the filter element of the slag-blocking net is made of PET non-woven fabric.

[0016] Furthermore, the interior of the slag suction hood is a hollow cavity and is connected to the slag conveying pipe. The opening of the slag suction hood is a rectangular strip-shaped opening, and a protective net is provided at the opening of the slag suction hood.

[0017] The plastic scrap cutting device proposed in this utility model has the following advantages:

[0018] 1. This utility model achieves stable vacuum adsorption and positioning of the board to be cut on the cutting table by opening a vacuum suction hole on the cutting table and setting a vacuum generator structure with a vacuum suction cup below the cutting table. This improves the stability of the board to be cut on the cutting table and avoids the board to be cut from sliding on the cutting table during the process of cutting scraps. In this way, it effectively avoids the collision and damage between the cutting die moving down at high speed above and the sliding board to be cut.

[0019] 2. This utility model provides a slag suction hood with slag conveying pipes on three sides of the cutting table, and a slag storage box structure with a slag suction pump and a cleaning door. During the cutting of scrap materials, the slag suction effect is achieved on three sides at the same time. The slag after cutting can be quickly and completely sucked away and stored. It can then be cleaned through the cleaning door later, avoiding the accumulation of a lot of slag after cutting on the cutting table and causing pollution to the working environment, thus achieving convenient cleaning. Attached Figure Description

[0020] Figure 1 This is a first-view perspective perspective view of the overall structure of this utility model;

[0021] Figure 2 This is a three-dimensional schematic diagram of the overall structure of the present invention without a cutting board.

[0022] Figure 3 This is a second-view perspective perspective view of the overall structure of this utility model;

[0023] Figure 4 This is a front view schematic diagram of the overall structure of this utility model;

[0024] Figure 5 For the present utility model Figure 4 Enlarged cross-sectional view of the central slag storage box.

[0025] In the diagram: 1. Cutting table; 11. Plate to be cut; 12. Vacuum suction hole; 2. Base plate; 21. Lower support leg; 3. Vacuum generator; 31. Vacuum suction cup; 4. Upper support leg; 41. Top plate; 42. Cutting cylinder; 43. Cutting die; 5. Slag storage box; 51. Cleaning door; 52. Slag baffle; 6. Slag pump; 61. Suction pipe; 7. Slag conveying pipe; 71. Slag suction cover; 72. Protective net. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0027] Reference Figure 1-5 A plastic scrap cutting device includes a cutting table 1, a cutting board 11 to be cut and a lower support leg 21 on the cutting table 1, a base plate 2 on the lower support leg 21, a vacuum generator 3 on the base plate 2, a vacuum suction cup 31 on the vacuum generator 3, a vacuum suction hole 12 on the cutting table 1 and an upper support leg 4, a top plate 41 on the upper support leg 4, a cutting cylinder 42 and a slag storage box 5 on the top plate 41, a cutting die 43 on the cutting cylinder 42, a cleaning door 51 and a slag conveying pipe 7 on the slag conveying pipe 7, a slag suction cover 71 on the slag conveying pipe 7, and a slag baffle 52 and a slag suction pump 6 on the slag storage box 5. The cutting board 11 is an injection-molded plastic sheet made of plastic, which is an injection-molded finished product.

[0028] The vacuum suction holes 12 are arranged in six groups horizontally, with each group consisting of six vertically arranged. The vacuum suction holes 12 vertically penetrate the cutting table 1 and are connected to the vacuum suction cup 31. The vacuum generator 3 and the vacuum suction cup 31 are a group, which is the existing technology. Combined with the vacuum suction holes 12, the plate to be cut 11 can be stably vacuum positioned and adsorbed on the cutting table 1, avoiding slippage.

[0029] The slag conveying pipe 7 and the slag suction hood 71 are a group of three arranged in a circle. The end of the slag suction hood 71 facing the plate to be cut 11 has a diffuser-shaped horn structure, which further increases the effective slag suction area of ​​the slag suction hood 71.

[0030] The lower end face of the outer wall of the slag suction cover 71 is flush with the upper end face of the cutting table 1, so that when the suction pipe 61 is suctioning slag, the inner cavity of the suction pipe 61 is not blocked by the cutting table 1.

[0031] The top of the cutting die 43 is set on the preset piston rod of the cutting cylinder 42. The cutting die 43 is a frame structure, and the side wall of the frame is the blade structure. When the cutting die 43 moves down quickly and covers the plate to be cut 11, the blade structure on the four sides can effectively cut the scrap material on the side wall of the plate to be cut 11.

[0032] The lower support leg 21 and the upper support leg 4 are each arranged symmetrically in fours, which improves the overall structural stability between the cutting table 1, the base plate 2, and the top plate 41.

[0033] The interior of the slag storage box 5 is a hollow cavity. The slag conveying pipe 7 is connected to the slag storage box 5. The lower end of the slag pump 6 is equipped with a suction pipe 61. The suction pipe 61 is set inside the slag storage box 5 and is higher than the slag blocking net 52 to ensure the slag blocking effect on the lower suction surface of the suction pipe 61.

[0034] The cleaning door 51 is located at the front end of the slag storage box 5. The lower end of the cleaning door 51 is rotatably connected to the slag storage box 5 via a preset hinge. There are also preset bolts on the cleaning door 51. The preset bolts pass through the cleaning door 51 and are threadedly connected to the slag storage box 5. By removing the preset bolts, the cleaning door 51 can be rotated downwards to open, which is convenient for cleaning the scrap slag later.

[0035] The slag-blocking net 52 is set at an angle. Since the cleaning door 51 is located on the front left side of the slag storage box 5, the angled slag-blocking net 52 can store and accumulate most of the sucked-up scrap slag on the left side of the inner cavity of the slag storage box 5, which is convenient for later opening of the cleaning door 51 for cleaning.

[0036] The filter element of the slag-blocking net 52 is made of PET non-woven fabric. PET non-woven fabric has excellent wear resistance and tensile strength, and is durable. It ensures the effect of suction and storage of scrap slag, while preventing scrap slag from entering the slag pump 6.

[0037] The interior of the slag suction hood 71 is a hollow cavity and is connected to the slag conveying pipe 7. The opening of the slag suction hood 71 is a rectangular strip opening, which enables simultaneous and powerful suction of the scrap slag from three sides of the cutting table 1, preventing the scrap slag from accumulating on the cutting table 1 after cutting and affecting normal cutting work, and also improving the cleanliness of the cutting table 1.

[0038] A protective net 72 is installed at the opening of the slag suction hood 71. The protective net 72 is made of stainless steel, which is impact-resistant and can prevent insects and rodents from entering the slag conveying pipe 7 when not in use.

[0039] Working method: First, place the pre-molded, cooled, and demolded board 11 in the center of the cutting table 1 and position it (existing technology). Then, start the vacuum generator 3. The vacuum suction cup 31 will generate negative pressure and hold the board 11 firmly in place through each vacuum suction hole 12. Then, start the cutting cylinder 42 to drive the cutting die 43 to move downward quickly. After the inner frame of the cutting die 43 quickly covers the outer wall of the board 11, the scraps on the outer side of the board 11 can be cut off. Since the board 11 is stably adsorbed on the cutting table 1 by the vacuum suction cup 31, the stability of the board 11 on the cutting table 1 is improved, and the board 11 is prevented from sliding on the cutting table 1 during the scrap cutting process. This effectively avoids the collision and damage between the cutting die 43 moving downward at high speed and the sliding board 11.

[0040] In addition, the slag pump 6 can be activated during the cutting process. At this time, a strong suction force will be generated in the three slag suction hoods 71, which can transport the cut scraps through the slag conveying pipe 7 into the slag storage box 5 for storage. Later, the cleaning door 51 can be opened to clean the stored scraps, avoiding the accumulation of a lot of cut scraps on the cutting table 1 and causing pollution to the working environment, thus achieving convenient cleaning.

[0041] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A plastic scrap cutting device, comprising a cutting table (1), characterized in that: The cutting table (1) is provided with a cutting board (11) and a lower support leg (21). The lower support leg (21) is provided with a base plate (2). The base plate (2) is provided with a vacuum generator (3). The vacuum generator (3) is provided with a vacuum suction cup (31). The cutting table (1) is provided with a vacuum suction hole (12) and an upper support leg (4). The upper support leg (4) is provided with a top plate (41). The top plate (41) is provided with a cutting cylinder (42) and a slag storage box (5). The cutting cylinder (42) is provided with a cutting die (43). The slag storage box (5) is provided with a cleaning door (51) and a slag conveying pipe (7). The slag conveying pipe (7) is provided with a slag suction cover (71). The slag storage box (5) is provided with a slag baffle (52) and a slag suction pump (6).

2. The plastic scrap cutting device according to claim 1, characterized in that: The vacuum suction holes (12) are arranged in six groups horizontally, with each group consisting of six vertically arranged holes. The vacuum suction holes (12) vertically penetrate the cutting table (1) and are connected to the vacuum suction cup (31).

3. The plastic scrap cutting device according to claim 1, characterized in that: The slag conveying pipe (7) and the slag suction hood (71) are a set, consisting of three arranged in a circle. The end of the slag suction hood (71) facing the plate to be cut (11) has a diffused horn structure, and the lower end of the outer wall of the slag suction hood (71) is flush with the upper end of the cutting table (1).

4. The plastic scrap cutting device according to claim 1, characterized in that: The top of the cutting die (43) is set on the preset piston rod of the cutting cylinder (42). The cutting die (43) is a frame structure. The lower support leg (21) and the upper support leg (4) are four in total, arranged symmetrically.

5. The plastic scrap cutting device according to claim 1, characterized in that: The interior of the slag storage box (5) is a hollow cavity. The slag conveying pipe (7) is connected to the slag storage box (5). The lower end of the slag pump (6) is provided with a suction pipe (61). The suction pipe (61) is located inside the slag storage box (5) and is higher than the slag blocking net (52).

6. The plastic scrap cutting device according to claim 1, characterized in that: The cleaning door (51) is located at the front end of the slag storage box (5), the slag blocking net (52) is inclined, and the filter element of the slag blocking net (52) is made of PET non-woven fabric.

7. The plastic scrap cutting device according to claim 1, characterized in that: The interior of the slag suction hood (71) is a hollow cavity and is connected to the slag conveying pipe (7). The opening of the slag suction hood (71) is a rectangular strip opening, and a protective net (72) is provided at the opening of the slag suction hood (71).

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