Fixed-length cutting device for PVC tablecloth

Abstract

The utility model provides a PVC tablecloth fixed-length cutting device which comprises a main machine body, an installation frame is fixedly installed on the top side of the main machine body, an electric cylinder is fixedly installed in the center of one side of the installation frame, the output end of the electric cylinder penetrates through the installation frame and is fixedly provided with a fixing plate, and a cutter is fixedly installed on the side, away from the electric cylinder, of the fixing plate. The main machine body is provided with a cutting groove capable of being matched with the cutter. A first connecting block and a second connecting block are connected to the top side of the main machine body in a sliding mode, a top plate is fixedly installed on the adjacent sides of the first connecting block and the second connecting block, a screw hole is formed in the first connecting block, and a screw rod is matched with the screw hole. According to the PVC tablecloth cutting device, the electric cylinder is matched with the cutter, so that the PVC tablecloth can be conveniently cut, the tedious cutting operation of operators is avoided, the poor cutting effect caused by manual operation errors can be avoided, and the convenience and the production efficiency of products are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tablecloth processing, and more specifically, particularly relates to a fixed-length cutting device for PVC tablecloth. Background Art

[0002] PVC tablecloths are the best quality among all solid wood tablecloths. They feel very soft and come in a variety of shapes and colors, which can meet the needs of most people. PVC tablecloths are foldable and have better waterproof performance than other tablecloths. They have a very long service life and can protect the table from stains when placed on the dining table. Once the PVC tablecloth comes into contact with oil stains, you can easily solve the problem by wiping it gently.

[0003] PVC tablecloths need to be cut to a fixed length during production. The existing PVC tablecloths are mostly cut manually by operators during the fixed length cutting process. However, the operators may cut unevenly during the fixed length cutting process, resulting in errors, which has a certain impact on product quality. Therefore, in view of this, the existing structure and defects are studied and improved, and a PVC tablecloth fixed length cutting device is provided to achieve a more practical purpose. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a PVC tablecloth fixed-length cutting device, which is achieved by the following specific technical means:

[0005] A PVC tablecloth fixed-length cutting device comprises a main body, a mounting frame is fixedly installed on the top side of the main body, an electric cylinder is fixedly installed at the center of one side of the mounting frame, an output end of the electric cylinder passes through the mounting frame and is fixedly installed with a fixing plate, and a cutting knife is fixedly installed on the fixing plate at a side away from the electric cylinder, and a cutting groove that can cooperate with the cutting knife is provided on the main body; a connecting block 1 and a connecting block 2 are slidably connected to the top side of the main body, and adjacent sides of the connecting block 1 and the connecting block 2 are both fixedly installed with a top plate, a screw hole is provided on the connecting block 1, and a screw rod is matched with the screw hole, both ends of the screw rod pass through the screw hole, and a connecting plate is fixedly installed on one end of the screw, and a pressing plate 1 that can cooperate with the top plate is fixedly installed on one side of the other end of the connecting plate, and a handle 1 is fixedly installed on the other end of the screw; a protective shell is fixedly installed on the bottom side of the main body, and a driving mechanism is installed on the inner side of the protective shell; a roller that can be used to fix the PVC tablecloth is installed on the top side of the main body.

[0006] Furthermore, two groups of springs are fixedly mounted on one side of the fixed plate, and a second pressing plate is commonly fixedly mounted on the telescopic ends of the two groups of springs.

[0007] Furthermore, when the electric cylinder is in a fully retracted state, the second pressing plate does not contact the main body, and the horizontal height of the second pressing plate is lower than the horizontal height of the cutting knife.

[0008] Furthermore, the main body is provided with a low platform at the sliding range of the top plate, and the main body is provided with a high platform at the connection with the mounting frame, and the sum of the heights of the low platform and the top plate is equal to the height of the high platform.

[0009] Furthermore, the main body is provided with a scale groove which can cooperate with the top plate.

[0010] Furthermore, both sides of the roller are rotatably connected to support frames, and the bottom sides of the two groups of support frames are fixedly connected to the top side of the main body.

[0011] Furthermore, the driving mechanism includes a screw rod rotatably connected to the inner wall of the protective shell, the outer side of the screw rod is matched with a ball nut, the outer side of the ball nut is fixedly installed with a connecting seat, the outer side of the connecting seat is fixedly connected with a slide plate 1, one end of the slide plate 1 is fixedly connected to the bottom side of the connecting block 1; a connecting frame is fixedly installed on one side of the slide plate 1, one end of the connecting frame is fixedly installed with a slide plate 2, one end of the slide plate 2 is fixedly connected with a sliding seat, and the other end of the slide plate 2 is fixedly connected to the bottom side of the connecting block 2; the main body is provided with a sliding groove for the sliding of slide plates 1 and 2.

[0012] Furthermore, a polished rod is slidably connected to the inner side of the sliding seat, and both ends of the polished rod are fixedly connected to the inner wall of the protective shell.

[0013] Furthermore, one end of the screw rod is connected to a rotating shaft through two sets of bevel gears, one end of the rotating shaft is rotatably connected to a mounting plate, the mounting plate is fixedly connected to the inner wall of the protective shell, and the other end of the rotating shaft passes through the protective shell and is fixedly connected to handle two.

[0014] Furthermore, a control button is installed on one side of the mounting frame, and the control button is electrically connected to the electric cylinder.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model can realize convenient cutting of PVC tablecloths through the cooperation of the electric cylinder and the cutting knife, avoids the tedious cutting work of the operator, and can avoid the poor cutting effect caused by manual operation errors, thereby increasing the convenience and production efficiency of the product.

[0017] The utility model can conveniently drive the rotation of the pressing plate 1 through the cooperation of the handle 1, the screw rod and the pressing plate 1, and can realize the rapid fixation of one end of the PVC tablecloth through the cooperation of the pressing plate 1 and the top plate, and can quickly and accurately fix the length of the PVC tablecloth through the scale groove on the main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the second structure of the pressing plate of the utility model.

[0020] Figure 3 It is a schematic diagram of the protective shell structure of the utility model.

[0021] Figure 4 It is a schematic diagram of the structure of the driving mechanism of the utility model.

[0022] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0023] 1. Main body; 2. Mounting frame; 3. Electric cylinder; 4. Fixing plate; 5. Cutting knife; 6. Screw; 7. Connecting seat; 8. Connecting block 1; 9. Screw; 10. Connecting plate; 11. Pressing plate 1; 12. Top plate; 13. Sliding seat; 14. Sliding plate 2; 15. Connecting block 2; 16. Polished rod; 17. Bevel gear; 18. Handle 1; 19. Rotating shaft; 20. Mounting plate; 21. Roller; 22. Support frame; 23. Spring; 24. Pressing plate 2; 25. Protective shell; 26. Cutting groove; 27. Sliding groove; 28. Scale groove; 29. ​​Handle 2. DETAILED DESCRIPTION

[0024] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0025] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Example:

[0028] As attached Figure 1 To Attachment Figure 4 As shown:

[0029] The utility model provides a PVC tablecloth fixed-length cutting device, comprising a main body 1, a mounting frame 2 is fixedly installed on the top side of the main body 1, an electric cylinder 3 is fixedly installed at the center of one side of the mounting frame 2, the output end of the electric cylinder 3 passes through the mounting frame 2 and is fixedly installed with a fixing plate 4, a cutting knife 5 is fixedly installed on the fixing plate 4 on the side away from the electric cylinder 3, and a cutting groove 26 that can cooperate with the cutting knife 5 is provided on the main body 1; a connecting block 1 8 and a connecting block 2 15 are slidably connected to the top side of the main body 1, and the adjacent sides of the connecting block 1 8 and the connecting block 2 15 are both connected together. A top plate 12 is fixedly installed, a screw hole is provided on the connecting block 8, a screw rod 9 is matched with the screw hole, both ends of the screw rod 9 pass through the screw hole, and a connecting plate 10 is fixedly installed on one end of the screw rod 9, a pressing plate 11 that can cooperate with the top plate 12 is fixedly installed on one side of the other end of the connecting plate 10, and a handle 18 is fixedly installed on the other end of the screw rod 9; a protective shell 25 is fixedly installed on the bottom side of the main body 1, and a driving mechanism is installed on the inner side of the protective shell 25; a roller 21 that can be used to fix the PVC tablecloth is installed on the top side of the main body 1.

[0030] Among them, two groups of springs 23 are fixedly installed on one side of the fixed plate 4, and a second pressing plate 24 is fixedly installed on the telescopic ends of the two groups of springs 23.

[0031] Among them, when the electric cylinder 3 is in a fully retracted state, the pressing plate 24 does not contact the main body 1, and the horizontal height of the pressing plate 24 is lower than the horizontal height of the cutting knife 5. When the pressing plate 24 presses the PVC tablecloth, the pressing plate 1 11 and the top plate 12 can make the PVC tablecloth in a taut state, which is convenient for cutting.

[0032] The main body 1 is provided with a low platform within the sliding range of the top plate 12, and the main body 1 is provided with a high platform at the connection with the mounting frame 2. The sum of the heights of the low platform and the top plate 12 is equal to the height of the high platform, so that the PVC tablecloth is level with the table surface of the main body 1, making the cutting length more accurate.

[0033] The main body 1 is provided with a scale groove 28 which can cooperate with the top plate 12, so that the operator can observe the cutting length of the PVC tablecloth.

[0034] The two sides of the roller 21 are rotatably connected to the support frames 22 , and the bottom sides of the two groups of support frames 22 are fixedly connected to the top side of the main body 1 .

[0035] Among them, the driving mechanism includes a screw rod 6 rotatably connected to the inner wall of the protective shell 25, the outer side of the screw rod 6 is matched with a ball nut, the outer side of the ball nut is fixedly installed with a connecting seat 7, the outer side of the connecting seat 7 is fixedly connected with a slide plate 1, one end of the slide plate 1 is fixedly connected to the bottom side of the connecting block 1 8; a connecting frame is fixedly installed on one side of the slide plate 1, one end of the connecting frame is fixedly installed with a slide plate 2 14, one end of the slide plate 2 14 is fixedly connected with a sliding seat 13, and the other end of the slide plate 2 14 is fixedly connected to the bottom side of the connecting block 2 15; the main body 1 is provided with a slide groove 27 for slide plates 1 and 2 14 to slide, so as to drive the top plate 12 and the pressure plate 11 to move.

[0036] Among them, the inner side of the sliding seat 13 is slidably connected with a light rod 16, and both ends of the light rod 16 are fixedly connected to the inner wall of the protective shell 25, so that the movement of the top plate 12 and the pressure plate 11 is more stable.

[0037] Among them, one end of the screw rod 6 is connected to the rotating shaft 19 through two sets of bevel gears 17, one end of the rotating shaft 19 is rotatably connected to the mounting plate 20, the mounting plate 20 is fixedly connected to the inner wall of the protective shell 25, and the other end of the rotating shaft 19 passes through the protective shell 25 and is fixedly connected to the handle 29, which is convenient for driving the rotation of the screw rod 6.

[0038] A control button is installed on one side of the mounting frame 2 , and the control button is electrically connected to the electric cylinder 3 to facilitate starting the electric cylinder 3 .

[0039] The working principle of this embodiment is as follows: when the PVC tablecloth needs to be cut to a fixed length, the PVC tablecloth is first fixed on the roller 21, and then one end of the PVC tablecloth is placed on the top plate 12 and aligned with the side of the top plate 12, and the handle 18 is turned. At this time, the handle 18 drives the screw 9 to rotate, and the screw 9 drives the pressure plate 11 to rotate through the connecting plate 10, and the PVC tablecloth is fixed on the top plate 12, and the handle 29 is turned to drive the screw 6 to rotate through the two sets of bevel gears 17, and the screw 6 drives the slide plate 1 and the connecting block 18 to move through the ball nut and the connecting seat 7, and the slide plate 1 is connected to the connecting plate 1. The frame drives the slide plate 2 14 to move, and the slide plate 2 14 drives the connecting block 2 15 to move. At this time, the connecting block 2 15 and the connecting block 1 8 drive one end of the PVC tablecloth to move through the top plate 12 and the pressing plate 1 11. When it moves to the appropriate position, stop turning the handle 29, and start the electric cylinder 3 through the control button. The electric cylinder 3 drives the cutting knife 5 and the pressing plate 2 24 to move downward. The pressing plate 2 24 first contacts the PVC tablecloth and presses the PVC tablecloth to a taut state. At this time, the spring 23 is compressed, the pressing plate 2 24 does not move, and the cutting knife 5 continues to move downward to start cutting the PVC tablecloth.

[0040] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A PVC tablecloth fixed-length cutting device, comprising a main body (1), a mounting frame (2) being fixedly mounted on the top side of the main body (1), characterized in that: An electric cylinder (3) is fixedly mounted at the center of one side of the mounting frame (2); the output end of the electric cylinder (3) passes through the mounting frame (2) and is fixedly mounted with a fixing plate (4); a cutting knife (5) is fixedly mounted on the fixing plate (4) on a side away from the electric cylinder (3); a cutting groove (26) that can cooperate with the cutting knife (5) is provided on the main body (1); a connecting block 1 (8) and a connecting block 2 (15) are slidably connected on the top side of the main body (1); adjacent sides of the connecting block 1 (8) and the connecting block 2 (15) are both fixedly mounted with a top plate (12); the connecting block 1 (8) is provided with a A screw hole is provided, the screw hole is matched with a screw rod (9), both ends of the screw rod (9) pass through the screw hole, and a connecting plate (10) is fixedly installed on one end of the screw rod (9), a pressing plate (11) that can be matched with a top plate (12) is fixedly installed on one side of the other end of the connecting plate (10), and a handle (18) is fixedly installed on the other end of the screw rod (9); a protective shell (25) is fixedly installed on the bottom side of the main body (1), and a driving mechanism is installed on the inner side of the protective shell (25); and a roller (21) that can be used to fix the PVC tablecloth is installed on the top side of the main body (1).

2. The PVC tablecloth fixed-length cutting device as claimed in claim 1, characterized in that: Two groups of springs (23) are fixedly mounted on one side of the fixed plate (4), and a second pressing plate (24) is fixedly mounted on the telescopic ends of the two groups of springs (23).

3. The PVC tablecloth fixed-length cutting device as claimed in claim 2, characterized in that: When the electric cylinder (3) is in a fully retracted state, the second pressing plate (24) is not in contact with the main body (1), and the horizontal height of the second pressing plate (24) is lower than the horizontal height of the cutting knife (5).

4. The PVC tablecloth fixed-length cutting device as claimed in claim 1, characterized in that: The main body (1) is provided with a low platform at the sliding range of the top plate (12), and the main body (1) is provided with a high platform at the connection with the mounting frame (2), and the sum of the heights of the low platform and the top plate (12) is equal to the height of the high platform.

5. The PVC tablecloth fixed-length cutting device as claimed in claim 1, characterized in that: The main body (1) is provided with a scale groove (28) that can cooperate with the top plate (12).

6. The PVC tablecloth fixed-length cutting device as claimed in claim 1, characterized in that: Both sides of the roller (21) are rotatably connected to support frames (22), and the bottom sides of the two groups of support frames (22) are fixedly connected to the top side of the main body (1).

7. The PVC tablecloth fixed-length cutting device as claimed in claim 1, characterized in that: The driving mechanism comprises a screw rod (6) rotatably connected to the inner wall of the protective shell (25); the outer side of the screw rod (6) is matched with a ball nut; the outer side of the ball nut is fixedly mounted with a connecting seat (7); the outer side of the connecting seat (7) is fixedly connected with a slide plate 1; one end of the slide plate 1 is fixedly connected to the bottom side of the connecting block 1 (8); a connecting frame is fixedly mounted on one side of the slide plate 1; one end of the connecting frame is fixedly mounted with a slide plate 2 (14); one end of the slide plate 2 (14) is fixedly connected with a sliding seat (13); the other end of the slide plate 2 (14) is fixedly connected to the bottom side of the connecting block 2 (15); and a slide groove (27) is provided on the main body (1) for slide plates 1 and 2 (14) to slide.

8. The PVC tablecloth fixed-length cutting device as claimed in claim 7, characterized in that: A light rod (16) is slidably connected to the inner side of the sliding seat (13), and both ends of the light rod (16) are fixedly connected to the inner wall of the protective shell (25).

9. The PVC tablecloth fixed-length cutting device as claimed in claim 7, characterized in that: One end of the screw rod (6) is connected to a rotating shaft (19) via two sets of bevel gears (17); one end of the rotating shaft (19) is rotatably connected to a mounting plate (20); the mounting plate (20) is fixedly connected to the inner wall of a protective shell (25); and the other end of the rotating shaft (19) passes through the protective shell (25) and is fixedly connected to a second handle (29).

10. The PVC tablecloth fixed-length cutting device as claimed in claim 1, characterized in that: A control button is installed on one side of the mounting frame (2), and the control button is electrically connected to the electric cylinder (3).

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