Splitting machine for plastic film production
By designing the disassembly and assembly mechanism and adjustment mechanism in the slitting machine for plastic film production, the problem of difficulty in replacing the slitting knife is solved, convenient replacement and spacing adjustment of the slitting knife are achieved, and the applicability and efficiency of the slitting machine are improved.
Patent Information
- Application Number
- CN202421881410.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-08-05
AI Technical Summary
The existing slitting machines for plastic film production cannot easily replace the slitting knife with large wear, which affects the slitting effect and the applicability of the device.
A slitting machine including a disassembly and assembly mechanism and an adjustment mechanism is designed. Through the cooperation of the installation frame, installation block, slider, slider, spring and other components, the convenient disassembly and replacement of the slitting knife, as well as the adjustment of the spacing of the slitting knife.
The rapid replacement and spacing adjustment of the slitting knife are achieved, which improves the applicability and efficiency of the slitting machine, and ensures uniform slitting of the plastic film.
Smart Images

Figure CN222833749U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of slitting machines, in particular to a slitting machine for producing plastic films. Background Art
[0002] Plastic film as a packaging material is widely used in food, medicine, chemical industry and other fields, among which food packaging accounts for the largest proportion, such as beverage packaging, frozen food packaging, steamed food packaging, fast food packaging, etc. These products have brought great convenience to people's lives.
[0003] According to a slitting machine for plastic film production disclosed in patent announcement No. CN 219469224 U, the device can be adaptively adjusted according to the slitting width of the plastic film through the slitting blades mounted on the slitting rollers, and can be conveniently fixed under the locking of the fastening nut. The position adjustment operation of the slitting blades is simple and convenient, and can be adaptively adjusted, so that the slitting machine has a wider adaptability; however, the device cannot replace the slitting blades that are severely worn, thereby affecting the slitting effect of the slitting blades on the plastic film, and further affecting the applicability of the device.
[0004] Therefore, we proposed a slitting machine for plastic film production to solve the problem. Utility Model Content
[0005] The purpose of the utility model is to provide a slitting machine for plastic film production, which solves the problems raised in the above-mentioned background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a slitting machine for producing plastic films, comprising a body;
[0007] A first motor fixedly mounted on the right side of the fuselage via a base;
[0008] A conveying roller fixedly connected to an output end of the first motor;
[0009] A second motor disposed on the right side of the fuselage;
[0010] A rotating shaft fixedly connected to an output end of the second motor;
[0011] A hydraulic cylinder fixedly mounted on the upper part of the fuselage;
[0012] A mounting frame fixedly connected to the output end of the hydraulic cylinder;
[0013] And a connecting assembly arranged inside the fuselage, the connecting assembly includes a disassembly and assembly mechanism arranged inside the fuselage, and an adjustment mechanism is arranged inside the fuselage.
[0014] Preferably, the disassembly and assembly mechanism includes a mounting hole provided inside the mounting frame, the mounting hole inner wall is sleeved with a mounting block, the outer side of the mounting block is fixedly connected to a mounting plate, the mounting block side wall is fixedly connected to a positioning block, the positioning block side wall is provided with a pressure groove, the positioning block bottom is provided with a clamping groove, the mounting frame is provided with an inner groove, the inner groove is sleeved with a pressure block, the inner wall of the inner groove is fixedly connected with a first spring, the mounting hole inner wall is provided with a positioning hole, the mounting frame bottom is provided with a sliding groove, the sliding groove inner wall is fixedly connected with a sliding rod, the outer wall of the sliding rod is slidably connected with a sliding block, the inner wall of the sliding groove is fixedly connected with a second spring, the outer side of the sliding block is fixedly connected to a connecting rod, one end of the connecting rod is movably connected with a clamping rod, the outer end of the clamping rod is fixedly connected to a pull rod, and the outer side of the connecting rod is fixedly connected to a third spring.
[0015] Preferably, the adjustment mechanism includes a roller fixedly connected to the outer wall of the rotating shaft, the outer sleeve of the roller is provided with a mounting sleeve, the outer wall of the mounting sleeve is fixedly connected to a slitting knife, the outer wall of the roller is provided with a threaded groove, the mounting sleeve is threadedly connected to a bolt, the outer wall of the roller is provided with a limiting groove, and the inner wall of the limiting groove is slidably connected to a limiting block.
[0016] Preferably, the mounting block is rotatably connected to the rotating shaft via a bearing, the mounting plate is fixedly mounted to the second motor via a base, the size of the mounting hole is larger than the size of the slitting knife, and the size of the mounting block is smaller than the inner diameter of the mounting sleeve.
[0017] Preferably, the positioning block is snap-fitted with the positioning hole, one end of the second spring is fixedly connected to the slider, the snap-fitting rod movably passes through the mounting frame and is snap-fitted with the snap-fitting groove, and the third spring is fixedly connected to the pull rod at one end away from the connecting rod. Through the cooperation of the mounting frame, the mounting block, the sliding rod, the slider, the second spring, the connecting rod, the snap-fitting rod and the third spring, it is convenient to manually disassemble the mounting block, and because the rotating shaft is rotatably connected to the mounting block through the bearing, it is convenient to manually disassemble the roller fixedly connected to the outer wall of the rotating shaft, and then it is convenient to manually replace the slitting knife arranged outside the roller, thereby increasing the applicability of the device.
[0018] Preferably, one end of the first spring is fixedly connected to the pressure block, and there are four positioning blocks, which are equidistantly distributed on the outside of the mounting block. The pressure block is clamped in the pressure groove, and through the cooperation of the positioning hole, the positioning block, the pressure groove, the pressure block and the first spring, when the mounting block cooperates with the mounting hole, the mounting block can be auxiliary fixed, thereby making it easier to perform subsequent fixing operations on the mounting block.
[0019] Preferably, the limit block is fixedly connected to the mounting sleeve, and the bolt is matched with the thread groove. Through the cooperation of the mounting sleeve, the bolt, the thread groove, the limit groove and the limit block, it is convenient to manually adjust the spacing of the slitting knives, thereby increasing the applicability of the device.
[0020] The utility model provides a slitting machine for plastic film production. The slitting machine for plastic film production has the following beneficial effects:
[0021] (1) The slitting machine for producing plastic film is provided with a disassembly and assembly mechanism. Under the action of the mounting frame, mounting block, sliding rod, slider, second spring, connecting rod, clamping rod and third spring, it is convenient for manual disassembly of the mounting block. Moreover, since the rotating shaft is rotatably connected to the mounting block through a bearing, it is convenient for manual disassembly of the rotating roller fixedly connected to the outer wall of the rotating shaft, and it is convenient for manual replacement of the slitting knife arranged outside the rotating roller, thereby increasing the applicability of the device.
[0022] (2) The slitting machine for producing plastic film is provided with an adjustment mechanism, which facilitates manual adjustment of the spacing of the slitting knives under the action of the mounting sleeve, bolts, thread grooves, limit grooves and limit blocks, thereby increasing the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a schematic diagram of the structure of the utility model;
[0024] Figure 2 It is a schematic diagram of the structure of the utility model;
[0025] Figure 3 It is a schematic diagram of the structure of the utility model;
[0026] Figure 4 It is a schematic diagram of the structure of the utility model;
[0027] Figure 5 It is a schematic diagram of the structure of the utility model;
[0028] In the figure: 1, fuselage; 2, first motor; 3, connecting assembly; 31, disassembly and assembly mechanism; 311, mounting hole; 312, mounting block; 313, mounting plate; 314, positioning block; 315, pressing groove; 316, clamping groove; 317, inner groove; 318, pressing block; 319, first spring; 3110, positioning hole; 3111, slide groove; 3112, slide rod; 3113, slide block; 3114, second spring; 3115, connecting rod; 3116, clamping rod; 3117, third spring; 32, adjustment mechanism; 321, roller; 322, mounting sleeve; 323, slitting knife; 324, threaded groove; 325, bolt; 326, limit groove; 327, limit block; 4, conveying roller; 5, second motor; 6, rotating shaft; 7, hydraulic cylinder; 8, mounting frame. DETAILED DESCRIPTION
[0029] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation methods of the utility model are now described with reference to the accompanying drawings.
[0030] Example 1
[0031] like Figure 1-5 As shown, the utility model provides a technical solution: a slitting machine for plastic film production, comprising a body 1, a first motor 2 fixedly mounted on the right side of the body 1 through a base, a conveying roller 4 fixedly connected to the output end of the first motor 2, a second motor 5 arranged on the right side of the body 1, a rotating shaft 6 fixedly connected to the output end of the second motor 5, a hydraulic cylinder 7 fixedly mounted on the upper part of the body 1, a mounting frame 8 fixedly connected to the output end of the hydraulic cylinder 7, and a connecting component 3 arranged inside the body 1, the connecting component 3 comprising a disassembly and assembly mechanism 31 arranged inside the body 1, an adjusting mechanism 32 arranged inside the body 1, the disassembly and assembly mechanism 31 comprising a mounting hole 311 opened inside the mounting frame 8, an inner wall of the mounting hole 311 is sleeved with a mounting block 312, an outer side of the mounting block 312 is fixedly connected to a mounting plate 313, and a side wall of the mounting block 312 is fixedly connected to A positioning block 314 is provided with a pressing groove 315 on the side wall of the positioning block 314, a clamping groove 316 is provided at the bottom of the positioning block 314, an inner groove 317 is provided inside the mounting frame 8, a pressing block 318 is sleeved inside the inner groove 317, a first spring 319 is fixedly connected to the inner wall of the inner groove 317, a positioning hole 3110 is provided on the inner wall of the mounting hole 311, a sliding groove 3111 is provided at the bottom of the mounting frame 8, a sliding rod 3112 is fixedly connected to the inner wall of the sliding groove 3111, a sliding block 3113 is slidably connected to the outer wall of the sliding rod 3112, a second spring 3114 is fixedly connected to the inner wall of the sliding groove 3111, a connecting rod 3115 is fixedly connected to the outer side of the sliding block 3113, one end of the connecting rod 3115 is movably connected to the clamping rod 3116, the outer end of the clamping rod 3116 is fixedly connected to the pull rod, and the outer side of the connecting rod 3115 is fixedly connected to the third spring 3117.
[0032] In this embodiment, the mounting block 312 is rotatably connected to the rotating shaft 6 through a bearing, the mounting plate 313 is fixedly mounted to the second motor 5 through a base, the size of the mounting hole 311 is larger than the size of the slitting knife 323, and the size of the mounting block 312 is smaller than the inner diameter of the mounting sleeve 322.
[0033] Furthermore, the positioning block 314 is clamped with the positioning hole 3110, one end of the second spring 3114 is fixedly connected to the slider 3113, the clamping rod 3116 movably passes through the mounting frame 8 and is clamped with the clamping groove 316, and the third spring 3117 is fixedly connected to the pull rod at one end away from the connecting rod 3115. Through the cooperation of the mounting frame 8, the mounting block 312, the sliding rod 3112, the slider 3113, the second spring 3114, the connecting rod 3115, the clamping rod 3116, and the third spring 3117, it is convenient to manually disassemble the mounting block 312, and because the rotating shaft 6 is rotatably connected to the mounting block 312 through the bearing, it is convenient to manually disassemble the roller 321 fixedly connected to the outer wall of the rotating shaft 6, and then it is convenient to manually replace the slitting knife 323 arranged outside the rotating roller 321, thereby increasing the applicability of the device.
[0034] Furthermore, one end of the first spring 319 is fixedly connected to the pressure block 318, there are four positioning blocks 314, which are equidistantly distributed on the outside of the mounting block 312, and the pressure block 318 is snap-connected with the pressure groove 315. Through the cooperation of the positioning hole 3110, the positioning block 314, the pressure groove 315, the pressure block 318, and the first spring 319, when the mounting block 312 cooperates with the mounting hole 311, the mounting block 312 can be auxiliary fixed, thereby making it easier to subsequently fix the mounting block 312.
[0035] When it is necessary to replace the slitting knife 323, first hold the pull rod manually and pull the clamping rod 3116 outward to separate the clamping rod 3116 from the clamping slot 316. Then, under the action of the elastic force of the second spring 3114, the slider 3113 can be moved in the slider slot 3111 through the slide rod 3112, so that the connecting rod 3115 fixedly connected to the outside of the slider 3113 can be moved synchronously, and then the clamping rod 3116 can be stopped at a position away from the clamping slot 316. Then, the mounting block 312 can be manually removed to the right. Since the mounting block 312 is rotatably connected to the rotating shaft 6 through a bearing, it is convenient to manually disassemble the roller 321 fixedly connected to the outer wall of the rotating shaft 6, and then it is convenient to manually replace the slitting knife 323 arranged on the outside of the roller 321, thereby increasing the applicability of the device.
[0036] Example 2
[0037] On the basis of Example 1, a preferred embodiment of a slitting machine for plastic film production provided by the utility model is as follows Figures 1 to 5As shown: the adjustment mechanism 32 includes a roller 321 fixedly connected to the outer wall of the rotating shaft 6, a mounting sleeve 322 is provided on the outside of the roller 321, a slitting knife 323 is fixedly connected to the outer wall of the mounting sleeve 322, a threaded groove 324 is provided on the outer wall of the roller 321, a bolt 325 is threadedly connected to the mounting sleeve 322, a limiting groove 326 is provided on the outer wall of the roller 321, and a limiting block 327 is slidably connected to the inner wall of the limiting groove 326.
[0038] In this embodiment, the limit block 327 is fixedly connected to the mounting sleeve 322, and the bolt 325 is adapted to the thread groove 324. Through the coordination of the mounting sleeve 322, the bolt 325, the thread groove 324, the limit groove 326, and the limit block 327, it is convenient to manually adjust the spacing of the slitting knife 323, thereby increasing the applicability of the device.
[0039] When it is necessary to adjust the slitting knife 323, it is only necessary to manually rotate the bolt 325 counterclockwise to separate the bolt 325 from the thread groove 324, and then the mounting sleeve 322 can be moved, so that the slitting knife 323 fixedly connected to the outer wall of the mounting sleeve 322 can be moved, thereby facilitating manual adjustment of the spacing of the slitting knife 323, thereby increasing the applicability of the device and facilitating the subsequent replacement operation of the slitting knife 323. At the same time, under the action of the limiting block 327 and the limiting groove 326, it is convenient to manually limit the mounting sleeve 322, so that the bolt 325 and the thread groove 324 are on the same horizontal line, thereby facilitating manual fixing operation of the mounting sleeve 322, and at the same time, the connection relationship between the mounting sleeve 322 and the roller 321 can be strengthened, so that the mounting sleeve 322 can be more stable during use, and then the hydraulic cylinder 7 drives the mounting frame 8 to move downward, so that the slitting knife 323 can be moved downward, and then under the action of the conveying roller 4 and the first motor 2, the plastic film can be cut.
[0040] 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 slitting machine for producing plastic films, comprising a machine body (1); A first motor (2) fixedly mounted on the right side of the body (1) via a base; A conveying roller (4) fixedly connected to the output end of the first motor (2); A second motor (5) arranged on the right side of the fuselage (1); A rotating shaft (6) fixedly connected to the output end of the second motor (5); A hydraulic cylinder (7) fixedly mounted on the upper part of the fuselage (1); A mounting frame (8) fixedly connected to the output end of the hydraulic cylinder (7); and a connection assembly (3) arranged inside the fuselage (1), characterized in that the connection assembly (3) comprises a disassembly and assembly mechanism (31) arranged inside the fuselage (1), and an adjustment mechanism (32) is arranged inside the fuselage (1).
2. A slitting machine for plastic film production according to claim 1, characterized in that: The disassembly and assembly mechanism (31) comprises a mounting hole (311) provided inside the mounting frame (8); a mounting block (312) is sleeved on the inner wall of the mounting hole (311); a mounting plate (313) is fixedly connected to the outer side of the mounting block (312); a positioning block (314) is fixedly connected to the side wall of the mounting block (312); a pressing groove (315) is provided on the side wall of the positioning block (314); a clamping groove (316) is provided on the bottom of the positioning block (314); an inner groove (317) is provided inside the mounting frame (8); a pressing block (318) is sleeved inside the inner groove (317); a first spring (319) is fixedly connected to the inner wall of the inner groove (317); A positioning hole (3110) is provided on the inner wall of the mounting hole (311), a sliding groove (3111) is provided on the bottom of the mounting frame (8), a sliding rod (3112) is fixedly connected to the inner wall of the sliding groove (3111), a sliding block (3113) is slidably connected to the outer wall of the sliding rod (3112), a second spring (3114) is fixedly connected to the inner wall of the sliding groove (3111), a connecting rod (3115) is fixedly connected to the outer side of the sliding block (3113), one end of the connecting rod (3115) is movably connected to a clamping rod (3116), the outer end of the clamping rod (3116) is fixedly connected to a pull rod, and a third spring (3117) is fixedly connected to the outer side of the connecting rod (3115).
3. A slitting machine for plastic film production according to claim 1, characterized in that: The adjusting mechanism (32) comprises a roller (321) fixedly connected to the outer wall of the rotating shaft (6); a mounting sleeve (322) is sleeved on the outside of the roller (321); a slitting knife (323) is fixedly connected to the outer wall of the mounting sleeve (322); a threaded groove (324) is provided on the outer wall of the roller (321); a bolt (325) is threadedly connected to the mounting sleeve (322); a limiting groove (326) is provided on the outer wall of the roller (321); and a limiting block (327) is slidably connected to the inner wall of the limiting groove (326).
4. A slitting machine for plastic film production according to claim 2, characterized in that: The mounting block (312) is rotatably connected to the rotating shaft (6) via a bearing, the mounting plate (313) is fixedly mounted to the second motor (5) via a base, the size of the mounting hole (311) is larger than the size of the slitting knife (323), and the size of the mounting block (312) is smaller than the inner diameter of the mounting sleeve (322).
5. A slitting machine for plastic film production according to claim 2, characterized in that: The positioning block (314) is snap-fitted with the positioning hole (3110), one end of the second spring (3114) is fixedly connected to the slider (3113), the snap-fitting rod (3116) movably passes through the installation frame (8) and is snap-fitted with the snap-fitting groove (316), and one end of the third spring (3117) away from the connecting rod (3115) is fixedly connected to the pull rod.
6. A slitting machine for plastic film production according to claim 2, characterized in that: One end of the first spring (319) is fixedly connected to the pressing block (318). There are four positioning blocks (314) which are equidistantly distributed outside the mounting block (312). The pressing block (318) is clamped with the pressing groove (315).
7. A slitting machine for plastic film production according to claim 3, characterized in that: The limiting block (327) is fixedly connected to the mounting sleeve (322), and the bolt (325) is adapted to the thread groove (324).
Citation Information
Patent Citations
Splitting machine for plastic film production
CN219469224U