Sealing rubber strip trimming device

Abstract

The utility model relates to the technical field of rubber strip trimming, and discloses a sealing rubber strip trimming device. The edge cutting device for the sealing rubber strip comprises a bottom plate, a limiting column is fixedly installed on the upper portion of the bottom plate, a spring is installed on the outer side of the limiting column in a penetrating and inserting mode, a limiting plate is movably installed below the limiting column, a limiting groove is fixedly formed in the upper portion of the bottom plate, and a guide plate is fixedly installed on the left side of the limiting groove; the limiting bolt at the upper end of the connecting rod penetrates through the connecting plate, the tail end of the connecting rod is connected with the nut, the limiting bolt at the lower end of the connecting rod penetrates through the fixing block, the connecting rod is connected with the nut, and the connecting rod is rotationally connected with the connecting plate through the upper end of the limiting bolt; the cutter is installed at the lower end of the fixing block through a bolt, and in this way, the included angle between the cutter and the bottom plate can be adjusted at will so that different requirements can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber strip trimming, in particular to a sealing rubber strip trimming device. Background Art

[0002] Sealing strips are made of rubber and used for product sealing. They are mainly used in the fields of automobiles, machinery, doors and windows, etc. At present, the traditional sealing strip cutting requires manual operation, which requires drawing the cutting line first and then cutting along the line with a blade. Due to the large demand for sealing strips, more and more sealing strip cutting equipment has appeared.

[0003] The existing referenceable Chinese utility model patent with announcement number: CN211389034U discloses a sealing strip trimming machine, including a work surface, a pneumatic rod and a cutter, the two sides of the end surface of the work surface are slidably installed with limit ribs through a slide groove, the end of the limit ribs is provided with a pressure strip, and the output end of the pneumatic rod corresponds to the top of the work surface; the installation end of the cutter is fixedly installed with a knife seat, the balance plate is fixedly installed with a reset spring corresponding to the end surface of the cutter, the end of the reset spring is fixedly installed with a pressure plate, and the pressure strip is provided with an inlet corresponding to the cutter. Through the mutual cooperation between the work surface, the pneumatic rod, the cutter, the limit ribs, the pressure strip, the mounting frame, the balance plate, the knife seat, the reset spring and the pressure plate, the trimming operation after the sealing strip blank is fixed is realized, the trimming operation accuracy of the sealing strip is improved, the trimming efficiency of the sealing strip is improved, and the production cost of the sealing strip is reduced.

[0004] The tool angle of the existing rubber strip trimming device is fixed at 45 degrees, and the tool angle cannot be adjusted according to demand. At the same time, the cut-off portion of the existing rubber strip trimming device during continuous cutting may affect the movement of the tool. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a sealing strip trimming device, which has the advantages of being able to adjust the cutting angle and not coming into contact with the ground, thereby solving the above-mentioned technical problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing strip trimming device, comprising: a bottom plate, a limiting column is fixedly installed on the top of the bottom plate, a spring is inserted and installed on the outer side of the limiting column, a limiting plate is movably installed below the limiting column, a limiting groove is fixedly installed on the top of the bottom plate, a guide plate is fixedly installed on the left side of the limiting groove, a support rod is fixedly installed on the top of the bottom plate, a bearing is embedded and installed on the top of the support rod, a driving roller is inserted and installed inside the bearing, and a limiting roller is inserted and installed below the support rod. A support frame is fixedly installed above the base plate, and a permanent magnet motor is fixedly installed above the support frame, a cylinder bracket is fixedly installed above the base plate, a shaftless cylinder is fixedly installed above the cylinder bracket, a connecting plate is fixedly installed on the left side of the slider of the shaftless cylinder, a connecting rod is movably installed below the connecting plate, limiting bolts are inserted and installed at both ends of the connecting rod, nuts are movably installed at the ends of the limiting bolts, a fixed block is movably installed below the connecting rod, and a tool is inserted and installed below the fixed block; the spring can exert a downward force on the limiting plate.

[0009] As a preferred technical solution of the utility model, an annular protrusion structure is provided at the top of the limit column, and the limit column is symmetrically installed at the four corners of the limit plate with the center of the limit plate as a reference, and the spring is located between the limit plate and the protrusion structure at the top of the limit column; the limit plate and the limit groove can limit the position of the rubber strip.

[0010] As the preferred technical solution of the utility model, a sliding connection is formed between the limit plate and the limit column, one side of the guide plate is an arc surface structure, and the driving roller is rotationally connected to the support rod through a bearing; the guide plate can guide the cut-off part to move to the left.

[0011] As a preferred technical solution of the utility model, the right end of the driving roller is fixedly connected to the rotating shaft of the permanent magnet motor by interlacing, the limiting roller and the support rod are rotationally connected, and the driving roller and the limiting roller are installed on the front and rear sides of the base plate through the support rod; the driving roller can clamp the rubber strip with the limiting roller.

[0012] As the preferred technical solution of the utility model, the shaftless cylinder is fixedly connected to the base plate through a cylinder bracket, the thread of the limit bolt is located at the end, and the limit bolt is symmetrically installed at the upper and lower ends of the connecting rod with the center of the connecting rod as the reference; the connecting rod can facilitate the adjustment of the position of the upper end of the tool.

[0013] As the preferred technical solution of the utility model, the limit bolt at the upper end of the connecting rod passes through the connecting plate, and the end of the connecting rod is connected to the nut, and the limit bolt at the lower end of the connecting rod passes through the fixing block, and the connecting rod is connected to the nut; the limit bolt and the nut can limit the rotation angle between the connecting rod and the connecting plate and the fixing block.

[0014] As the preferred technical solution of the utility model, the connecting rod is rotatably connected to the connecting plate at the upper end through a limiting bolt, and is rotatably connected to the fixed block at the lower end. The tool is inserted into the lower end of the fixed block and fixed by bolts; the tool can cut the rubber strip.

[0015] Compared with the prior art, the utility model provides a sealing strip trimming device having the following features:

[0016] Beneficial effects:

[0017] 1. The utility model is provided with a guide plate, one side of the guide plate is an arc surface structure, the driving roller is rotatably connected with the support rod through the bearing, the right end of the driving roller is fixedly connected with the rotating shaft of the permanent magnet motor by interlacing, the limiting roller is rotatably connected with the support rod, the driving roller and the limiting roller are installed on the front and rear sides of the bottom plate through the support rod, and when cutting, the rubber strip needs to pass between the front driving roller and the limiting roller, and then one side of the rubber strip is cut, so that the end of the rubber strip that has been cut is located between the rear driving roller and the limiting roller, and the rubber strip is in a taut state, and then the cut part is located in the arc surface structure of the guide plate. In this way, during the movement of the rubber strip, the cut part can be discharged from the left side under the guidance of the arc surface structure of the guide plate, thereby preventing the cut part from affecting the movement of the tool.

[0018] 2. The utility model sets a connecting rod, and the upper and lower ends of the connecting rod are symmetrically inserted with limit bolts based on the center of the connecting rod. The limit bolt at the upper end of the connecting rod passes through the connecting plate, and the end of the connecting rod is connected to the nut. The limit bolt at the lower end of the connecting rod passes through the fixed block, and the connecting rod is connected to the nut. The connecting rod is rotatably connected to the connecting plate through the upper end of the limit bolt, and is rotatably connected to the fixed block through the lower end of the limit bolt. The tool is installed on the lower end of the fixed block by bolts. In this way, the angle between the tool and the base plate can be adjusted at will to meet different needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the installation structure of the limit plate of the utility model;

[0021] Figure 3 This is a schematic diagram of the installation structure of the limiting roller of the utility model;

[0022] Figure 4 This is a schematic diagram of the installation structure of the fixed block of the utility model;

[0023] Among them: 1. Base plate; 11. Limit column; 12. Spring; 13. Limit plate; 14. Limit groove; 15. Guide plate; 16. Support rod; 17. Bearing; 18. Drive roller; 19. Limit roller; 110. Support frame; 111. Permanent magnet motor; 2. Cylinder bracket; 21. Shaftless cylinder; 22. Connecting plate; 23. Connecting rod; 24. Limit bolt; 25. Nut; 26. Fixing block; 27. Cutting tool. DETAILED DESCRIPTION

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

[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] See also Figure 1 - Figure 4 In this embodiment, a sealing strip trimming device includes: a bottom plate 1, a limiting column 11 is fixedly installed on the top of the bottom plate 1, a spring 12 is inserted and installed on the outer side of the limiting column 11, a limiting plate 13 is movably installed below the limiting column 11, a limiting groove 14 is fixedly installed on the top of the bottom plate 1, a guide plate 15 is fixedly installed on the left side of the limiting groove 14, a support rod 16 is fixedly installed on the top of the bottom plate 1, a bearing 17 is embedded and installed above the support rod 16, a driving roller 18 is inserted and installed inside the bearing 17, a limiting roller 19 is inserted and installed below the support rod 16, a support frame 110 is fixedly installed on the top of the bottom plate 1, and a permanent magnet motor 111 is fixedly installed on the top of the support frame 110.

[0028] The top of the limiting column 11 is provided with an annular protrusion structure. The limiting column 11 is symmetrically installed at the four corners of the limiting plate 13 with the center of the limiting plate 13 as the reference. The spring 12 is located between the limiting plate 13 and the protrusion structure at the top of the limiting column 11.

[0029] The limiting plate 13 and the limiting column 11 are slidably connected, one side of the guide plate 15 is an arc surface structure, and the driving roller 18 is rotatably connected to the support rod 16 via the bearing 17 .

[0030] The right end of the driving roller 18 is fixedly connected to the rotating shaft of the permanent magnet motor 111 by insertion, and the limiting roller 19 is rotationally connected to the support rod 16. The driving roller 18 and the limiting roller 19 are installed on the front and rear sides of the base plate 1 through the support rod 16.

[0031] Specifically, the base plate 1 can support the limiting column 11, the limiting column 11 can limit the position of the upper end of the spring 12, the spring 12 can apply a downward force to the limiting plate 13, the limiting plate 13 and the limiting groove 14 can limit the position of the rubber strip, the guide plate 15 can guide the cut-off part to move to the left, the support rod 16 can limit the position of the driving roller 18 and the limiting roller 19, the bearing 17 can facilitate the rotation of the driving roller 18, the driving roller 18 can clamp the rubber strip with the limiting roller 19, the support frame 110 can support the permanent magnet motor 111, and the permanent magnet motor 111 can drive the driving roller 18 to rotate, so that the rubber strip moves.

[0032] A cylinder bracket 2 is fixedly installed above the base plate 1, a shaftless cylinder 21 is fixedly installed above the cylinder bracket 2, a connecting plate 22 is fixedly installed on the left side of the slider of the shaftless cylinder 21, a connecting rod 23 is movably installed below the connecting plate 22, limiting bolts 24 are inserted and installed at both ends of the connecting rod 23, a nut 25 is movably installed at the end of the limiting bolt 24, a fixed block 26 is movably installed below the connecting rod 23, and a tool 27 is inserted and installed below the fixed block 26.

[0033] The shaftless cylinder 21 is fixedly connected to the base plate 1 through the cylinder bracket 2, and the thread of the limit bolt 24 is located at the end. The limit bolt 24 is symmetrically installed at the upper and lower ends of the connecting rod 23 with the center of the connecting rod 23 as a reference.

[0034] The limiting bolt 24 at the upper end of the connecting rod 23 passes through the connecting plate 22 , and the end of the connecting rod 23 is connected to the nut 25 . The limiting bolt 24 at the lower end of the connecting rod 23 passes through the fixing block 26 , and the connecting rod 23 is connected to the nut 25 .

[0035] The connecting rod 23 is rotatably connected to the connecting plate 22 at the upper end through the limiting bolt 24, and is rotatably connected to the fixing block 26 at the lower end. The tool 27 is inserted into the lower end of the fixing block 26 and fixed by bolts.

[0036] Specifically, the cylinder bracket 2 can support the shaftless cylinder 21, the shaftless cylinder 21 can drive the tool 27 to move, the connecting plate 22 can limit the position of the connecting rod 23, the connecting rod 23 can facilitate the adjustment of the position of the upper end of the tool 27, so as to facilitate the angle adjustment of the tool 27, the limiting bolt 24 and the nut 25 can limit the rotation angle between the connecting rod 23 and the connecting plate 22 and the fixed block 26, the fixed block 26 can position the county-level tool 27, and the tool 27 can cut the rubber strip.

[0037] When in use, one side of the guide plate 15 is a curved surface structure, and the driving roller 18 is rotatably connected to the support rod 16 through the bearing 17. The right end of the driving roller 18 is fixedly connected to the rotating shaft of the permanent magnet motor 111 by an interlaced manner, and the limiting roller 19 is rotatably connected to the support rod 16. The driving roller 18 and the limiting roller 19 are installed on the front and rear sides of the base plate 1 through the support rod 16. When cutting, the rubber strip needs to be passed between the front driving roller 18 and the limiting roller 19, and then one side of the rubber strip is cut so that the end of the rubber strip that has been cut is located between the rear driving roller 18 and the limiting roller 19, and the rubber strip is in a taut state, and then the cut portion is located in the curved surface structure of the guide plate 15. This method can make the cut portion be discharged from the left side under the guidance of the curved surface structure of the guide plate 15 during the movement of the rubber strip, thereby avoiding the cut portion from affecting the movement of the tool 27. The initial position of the slider of the shaftless cylinder 21 is located at the limit At the end of the limiting groove 14, the shaftless cylinder 21 can drive the tool 27 to move forward for cutting. During the cutting process, the permanent magnet motor 111 stops. After the tool 27 moves to the front end of the limiting groove 14, it will reset backward under the drive of the shaftless cylinder 21. The permanent magnet motor 111 starts to make the cut of the rubber strip move backward with the tool 27. The upper and lower ends of the connecting rod 23 are symmetrically interspersed with the limiting bolts 24 based on the center of the connecting rod 23. The limiting bolt 24 at the upper end of the connecting rod 23 penetrates the connecting plate 22, and the end of the connecting rod 23 is connected to the nut 25. The limiting bolt 24 at the lower end of the connecting rod 23 penetrates the fixing block 26, and the connecting rod 23 is connected to the nut 25. The upper end of the connecting rod 23 is connected to the connecting plate 22 through the limiting bolt 24, and the lower end is connected to the fixing block 26. The tool 27 is installed at the lower end of the fixing block 26 by bolts. This method can make the angle between the tool 27 and the base plate 1 adjustable to meet different needs.

[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 sealing strip trimming device, characterized in that: include: A bottom plate (1), a limiting column (11) is fixedly installed on the top of the bottom plate (1), a spring (12) is inserted and installed on the outer side of the limiting column (11), a limiting plate (13) is movably installed below the limiting column (11), a limiting groove (14) is fixedly installed on the top of the bottom plate (1), a guide plate (15) is fixedly installed on the left side of the limiting groove (14), a support rod (16) is fixedly installed on the top of the bottom plate (1), a bearing (17) is embedded and installed on the top of the support rod (16), a driving roller (18) is inserted and installed inside the bearing (17), a limiting roller (19) is inserted and installed below the support rod (16), and a limiting roller (19) is fixedly installed on the top of the bottom plate (1). A support frame (110) is provided, and a permanent magnet motor (111) is fixedly installed above the support frame (110); a cylinder bracket (2) is fixedly installed above the base plate (1); a shaftless cylinder (21) is fixedly installed above the cylinder bracket (2); a connecting plate (22) is fixedly installed on the left side of the slider of the shaftless cylinder (21); a connecting rod (23) is movably installed below the connecting plate (22); limiting bolts (24) are inserted and installed at both ends of the connecting rod (23); a nut (25) is movably installed at the end of the limiting bolt (24); a fixed block (26) is movably installed below the connecting rod (23); and a tool (27) is inserted and installed below the fixed block (26).

2. A sealing strip trimming device according to claim 1, characterized in that: The top of the limiting column (11) is provided with an annular protruding structure. The limiting column (11) is symmetrically mounted at the four corners of the limiting plate (13) with the center of the limiting plate (13) as a reference. The spring (12) is located between the limiting plate (13) and the protruding structure at the top of the limiting column (11).

3. A sealing strip trimming device according to claim 1, characterized in that: The limiting plate (13) and the limiting column (11) are slidably connected, one side of the guide plate (15) is an arc surface structure, and the driving roller (18) is rotatably connected to the support rod (16) via a bearing (17).

4. A sealing strip trimming device according to claim 1, characterized in that: The right end of the driving roller (18) is fixedly connected to the rotating shaft of the permanent magnet motor (111) by means of insertion, and the limiting roller (19) is rotationally connected to the support rod (16). The driving roller (18) and the limiting roller (19) are installed on the front and rear sides of the bottom plate (1) through the support rod (16).

5. The sealing strip trimming device according to claim 1, characterized in that: The shaftless cylinder (21) is fixedly connected to the base plate (1) via a cylinder bracket (2); the thread of the limit bolt (24) is located at the end; the limit bolt (24) is symmetrically installed at the upper and lower ends of the connecting rod (23) with the center of the connecting rod (23) as a reference.

6. A sealing strip trimming device according to claim 1, characterized in that: The limiting bolt (24) at the upper end of the connecting rod (23) passes through the connecting plate (22), and the end of the connecting rod (23) is connected to the nut (25); the limiting bolt (24) at the lower end of the connecting rod (23) passes through the fixing block (26), and the connecting rod (23) is connected to the nut (25).

7. A sealing strip trimming device according to claim 1, characterized in that: The connecting rod (23) is rotatably connected to the connecting plate (22) at its upper end via a limiting bolt (24), and is rotatably connected to a fixing block (26) at its lower end; the tool (27) is inserted into the lower end of the fixing block (26) and fixed via a bolt.

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