A PVC sheet cutting device for laboratory

Abstract

The utility model discloses a PVC sheet cutting device for laboratory, including base, connecting frame, cutting drive part, handle, sub bit and female bit, the lower end fixed setting of connecting frame is on the base, the fixed part of cutting drive part is fixedly arranged on the upper end of connecting frame, handle fixedly arranged on the output part of cutting drive part, the detachable setting of sub bit is on handle, be provided with the through forming hole on female bit, the outer wall of sub bit and the inner wall cooperation of forming hole, the detachable setting of female bit is on the base. Through the cooperation of sub bit and female bit, the same PVC sheet can be effectively cut for experiment, the edge is neat in the cutting process, reduces the error in the experimental process.

Description

Technical Field

[0001] This utility model relates to the field of PVC sheet processing technology, and in particular to a PVC sheet cutting device for laboratory use. Background Technology

[0002] With the development of science and technology, various products can be manufactured using PVC materials. As living standards improve, people's demands are also high. Therefore, various colored materials are added to PVC materials to create products of various colors. After adding other materials to PVC materials, various experiments need to be conducted on the newly formed PVC materials. In the laboratory, the initially produced PVC sheets are large in area and cannot be used directly for experiments. The current cutting method involves manually cutting with scissors during experiments. Manual cutting makes it difficult to control the size, and the cut edges are not neat, resulting in large errors when comparing data during the experiment. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a PVC sheet cutting device for laboratory use.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] A laboratory PVC sheet cutting device includes a base, a connecting frame, a cutting drive, a handle, a sub-blade, and a female blade. The lower end of the connecting frame is fixedly mounted on the base, the fixing part of the cutting drive is fixedly mounted on the upper end of the connecting frame, the handle is fixedly mounted on the output part of the cutting drive, the sub-blade is detachably mounted on the handle, the female blade has a through forming hole, the outer wall of the sub-blade mates with the inner wall of the forming hole, and the female blade is detachably mounted on the base.

[0006] Furthermore, a limiting sleeve is fixedly provided on the base, the limiting sleeve is disposed in the forming hole, a limiting push rod is slidably disposed in the limiting sleeve, the upper end of the limiting push rod cooperates with the upper end of the female cutter head, and a lifting spring is provided in the limiting sleeve, the two ends of the lifting spring acting on the base and the limiting push rod respectively.

[0007] Furthermore, the base is provided with a square groove, and a square positioning block is provided in the square groove. A through hole is provided in the middle of the square positioning block and cooperates with the limiting sleeve. The female blade is fixedly mounted on the square positioning block. A quick-locking component is provided between the square groove and the square positioning block.

[0008] Furthermore, the quick-lock component includes a plug rod and a lever. The base is provided with a sliding groove that mates with the plug rod. The square positioning block is provided with a locking hole that mates with the plug rod. The side wall of the sliding groove is provided with a through-hole. The lever passes through the through-hole and is fixedly connected to the plug rod.

[0009] Furthermore, an anti-disengagement spring is provided between the end of the insertion rod and the bottom of the slide groove.

[0010] Furthermore, a top cap is detachably provided on the upper end of the limiting push rod, and the top cap cooperates with the inner wall of the female cutter head.

[0011] Furthermore, the tool holder is provided with a positioning mounting groove, and the upper end of the sub-tool head is disposed in the positioning mounting groove and cooperates with the positioning mounting groove.

[0012] Furthermore, the positioning mounting groove is provided with a pin for fixing the sub-blade head.

[0013] Furthermore, the end of the sub-blade head is provided with an outer cutting edge, and the end of the mother blade head is provided with an inner cutting edge that cooperates with the outer cutting edge.

[0014] The beneficial effects of this utility model are:

[0015] 1) In this technology, by using the female and male cutting heads together, the same PVC sheet can be effectively cut for experiments, the cut edges are neat during the cutting process, and the error in the experiment is reduced.

[0016] 2) In this technology, the top cap can support the PVC sheet and prevent the PVC sheet from being severely deformed during the cutting process.

[0017] 3) In this technology, the outer and inner cutting blades can quickly cut PVC sheets, reducing the difficulty of cutting PVC sheets. Attached Figure Description

[0018] Figure 1 This is the main view connection structure diagram of this device;

[0019] Figure 2 This is a cross-sectional structural diagram of the mating of the female and male cutting heads;

[0020] In the diagram, 1-base, 2-connecting bracket, 3-cutting drive component, 4-blade handle, 5-sub-blade head, 6-female blade head, 7-forming hole, 8-limiting sleeve, 9-limiting push rod, 10-lifting spring, 11-square groove, 12-square positioning block, 13-through hole, 14-insertion rod, 15-pulling rod, 16-slide groove, 17-locking hole, 18-pulling hole, 19-anti-detachment spring, 20-top cap, 21-positioning mounting groove, 22-pin, 23-outer cutting blade, 24-inner cutting blade. Detailed Implementation

[0021] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0022] See Figures 1-2 This utility model provides a technical solution:

[0023] A laboratory PVC sheet cutting device includes a base 1, a connecting frame 2, a cutting drive 3, a handle 4, a sub-blade 5, and a female blade 6. The lower end of the connecting frame 2 is fixedly mounted on the base 1, the fixing part of the cutting drive 3 is fixedly mounted on the upper end of the connecting frame 2, the handle 4 is fixedly mounted on the output part of the cutting drive 3, the sub-blade 5 is detachably mounted on the handle 4, and the female blade 6 has a through forming hole 7. The outer wall of the sub-blade 5 mates with the inner wall of the forming hole 7. The female blade 6 is detachably mounted on the base 1. The base 1 is used to mount the female blade 6 and the connecting frame 2. The upper end of the connecting frame 2 is used to mount the cutting drive 3. The cutting drive 3 drives the sub-blade 5 to move up and down via the handle 4, allowing the sub-blade 5 to insert into the female blade 6, thereby cutting the PVC sheet into the shape required for the experiment. The cutting drive 3 is an electric push rod as in the prior art, but a hydraulic cylinder or a pneumatic cylinder can also be used. In the experiment, the PVC sheet may need to be square, round, regular polygonal and elliptical, etc. Therefore, the sub-blade head 5 and the female blade head 6 are set in multiple sets, corresponding to square, round, regular polygonal and elliptical, etc. According to different needs, different types of sub-blade heads 5 and female blade heads 6 are replaced. Sub-blade heads 5 and female blade heads 6 are used in pairs. Therefore, the blade holder 4 and the sub-blade head 5 are detachably connected, and the female blade head 6 and the base 1 are detachably connected.

[0024] In some embodiments, a limiting sleeve 8 is fixedly installed on the base 1, and the limiting sleeve 8 is disposed within the forming hole 7. A limiting push rod 9 is slidably disposed within the limiting sleeve 8, and the upper end of the limiting push rod 9 engages with the upper end of the female cutter head 6. A lifting spring 10 is disposed within the limiting sleeve 8, and the two ends of the lifting spring 10 act on the base 1 and the limiting push rod 9, respectively. The limiting sleeve 8 is fixed to the base 1 to mount the limiting push rod 9. Under the action of the lifting spring 10, the limiting push rod 9 can move up and down within the forming hole 7. During the cutting process, the PVC sheet presses down on the limiting push rod 9 within the forming hole 7 and moves downwards. After cutting, the lifting spring 10 pushes the limiting push rod 9 upwards, and the limiting push rod 9 pushes the finished PVC sheet out of the forming hole 7.

[0025] In some embodiments, a square groove 11 is provided on the base 1, and a square positioning block 12 is provided in the square groove 11. A through hole 13 is provided in the middle of the square positioning block 12, which engages with the limiting sleeve 8. The female cutting head 6 is fixedly mounted on the square positioning block 12, and a quick-locking component is provided between the square groove 11 and the square positioning block 12. The square groove 11 on the base 1 is used to install the square positioning block 12, and the square positioning block 12 is used to install the female cutting head 6. Generally, the female cutting head 6 is welded to the square positioning block 12, while the limiting sleeve 8 is fixed in the middle of the square groove 11, hence the through hole 13 in the square positioning block 12. The quick-locking component serves to fix the square positioning block 12 in the square groove 11.

[0026] In some embodiments, the quick-lock component includes a plug rod 14 and a lever 15. A groove 16 is provided on the base 1 to mate with the plug rod 14. A locking hole 17 is provided on the square positioning block 12 to mate with the plug rod 14. A through-hole 18 is provided on the side wall of the groove 16. The lever 15 passes through the 18 and is fixedly connected to the plug rod 14. The lever 15 moves the plug rod 14. When the plug rod 14 moves into the locking hole 17, it can fix the square positioning block 12 in the square groove 11. When the plug rod 14 disengages from the locking hole 17, the square positioning block 12 can be removed from the square groove 11.

[0027] In some embodiments, an anti-disengagement spring 19 is provided between the end of the insertion rod 14 and the bottom of the slide groove 16. The anti-disengagement spring 19 serves to press against the insertion rod 14 to prevent the insertion rod 14 from disengaging from the locking hole 17.

[0028] In some embodiments, a top cap 20 is detachably provided on the upper end of the limiting push rod 9, and the top cap 20 cooperates with the inner wall of the female cutter head 6. The top cap 20 cooperates with the forming hole 7, and the forming hole 7 cooperates with the female cutter head 5. Different female cutter heads 5 and 6 are used to process PVC sheets of different shapes, and the top cap 20 on the limiting push rod 9 is replaced with one that is compatible with the shape. The top cap is provided to prevent severe deformation of the PVC sheet during the cutting process.

[0029] In some embodiments, the tool holder 4 is provided with a positioning mounting groove 21, and the upper end of the sub-blade head 5 is disposed in and cooperates with the positioning mounting groove 21. A pin 22 for fixing the sub-blade head 5 is provided in the positioning mounting groove 21. The positioning mounting groove 21 is used to install the sub-blade head 5, and the sub-blade head 5 is then fixed to the tool holder 4 by the pin 22. This facilitates installation and disassembly, and also allows for precise positioning.

[0030] In some embodiments, the end of the sub-blade 5 is provided with an outer cutting edge 23, and the end of the mother blade 6 is provided with an inner cutting edge 24 that cooperates with the outer cutting edge 23. The outer cutting edge 23 and the inner cutting edge 24 can quickly cut PVC sheets, reducing the difficulty of cutting PVC sheets.

[0031] In the description of this utility model, it should be understood that the terms "upper", "lower", "bottom", "one end", "top", "middle", "other end", "coaxial", "one side", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] In this utility model, unless otherwise explicitly specified and limited, the terms "setting", "installation", "connection", "fixing", "hinged" and other such terms should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] The above description is merely a preferred embodiment of this utility model. It should be understood that this utility model is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the concept described herein through the above teachings or related technologies or knowledge. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of this utility model should be protected within the scope of the appended claims.

Claims

1. A laboratory PVC sheet cutting device, characterized in that: The device includes a base (1), a connecting frame (2), a cutting drive (3), a handle (4), a sub-blade (5), and a female blade (6). The lower end of the connecting frame (2) is fixedly mounted on the base (1). The fixing part of the cutting drive (3) is fixedly mounted on the upper end of the connecting frame (2). The handle (4) is fixedly mounted on the output part of the cutting drive (3). The sub-blade (5) is detachably mounted on the handle (4). The female blade (6) is provided with a through forming hole (7). The outer wall of the sub-blade (5) is fitted with the inner wall of the forming hole (7). The female blade (6) is detachably mounted on the base (1).

2. The laboratory PVC sheet cutting device according to claim 1, characterized in that: A limiting sleeve (8) is fixedly installed on the base (1). The limiting sleeve (8) is located inside the forming hole (7). A limiting push rod (9) is slidably installed inside the limiting sleeve (8). The upper end of the limiting push rod (9) cooperates with the upper end of the female cutter head (6). A lifting spring (10) is installed inside the limiting sleeve (8). The two ends of the lifting spring (10) act on the base (1) and the limiting push rod (9) respectively.

3. The laboratory PVC sheet cutting device according to claim 2, characterized in that: The base (1) is provided with a square groove (11), and a square positioning block (12) is provided in the square groove (11). A through hole (13) is provided in the middle of the square positioning block (12) and cooperates with the limiting sleeve (8). The female cutter head (6) is fixedly provided on the square positioning block (12). A quick-locking component is provided between the square groove (11) and the square positioning block (12).

4. A laboratory PVC sheet cutting device according to claim 3, characterized in that: The quick-lock component includes a plug rod (14) and a lever (15). The base (1) is provided with a sliding groove (16) that mates with the plug rod (14). The square positioning block (12) is provided with a locking hole (17) that mates with the plug rod (14). The side wall of the sliding groove (16) is provided with a through-hole (18). The lever (15) passes through the through-hole (18) and is fixedly connected to the plug rod (14).

5. A laboratory PVC sheet cutting device according to claim 4, characterized in that: An anti-disengagement spring (19) is provided between the end of the insertion rod (14) and the bottom of the slide (16).

6. A laboratory PVC sheet cutting device according to any one of claims 2-5, characterized in that: A top cap (20) is detachably provided on the upper end of the limiting push rod (9), and the top cap (20) cooperates with the inner wall of the mother cutter head (6).

7. A laboratory PVC sheet cutting device according to any one of claims 1-5, characterized in that: The handle (4) is provided with a positioning mounting groove (21), and the upper end of the sub-blade (5) is located in the positioning mounting groove (21) and cooperates with the positioning mounting groove (21).

8. A laboratory PVC sheet cutting device according to claim 7, characterized in that: The positioning mounting groove (21) is provided with a pin (22) for fixing the sub-blade head (5).

9. A laboratory PVC sheet cutting device according to any one of claims 1-5, characterized in that: The end of the sub-blade (5) is provided with an outer cutting edge (23), and the end of the mother blade (6) is provided with an inner cutting edge (24) that cooperates with the outer cutting edge (23).

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