Quick roll changing device for pinch roll

Abstract

The utility model discloses a quick roll changing device for a pinch roll, which relates to the technical field of quick roll changing and comprises a mounting base and a pinch roll fixing device. Mounting frames are fixedly connected to the top of the mounting base, two first rotating discs are rotatably connected to the interior of the right mounting frame, and two second rotating discs are rotatably connected to the interior of the left mounting frame; the pinch roll fixing device comprises a rotating chuck, two arc-shaped pressing blocks, two ejector pins, two fixing cylinders, two first sleeve springs, a shaft sleeve, a pull rod, a circular ring and a second sleeve spring, the rotating chuck is rotationally connected to the interior of the left side mounting frame, the two arc-shaped pressing blocks are fixedly connected to the surface of the rotating chuck, the two ejector pins are fixedly connected to the interior of the mounting frame, and the two fixing cylinders are fixedly connected to the surface of the rotating chuck. According to the clamping and conveying roller, a worker can install and fix the clamping and conveying roller without using a bolt, and the worker can replace the clamping and conveying roller without using an installation tool, so that the installation process of the clamping and conveying roller is simplified, and the convenience of replacing the clamping and conveying roller is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fast roller replacement, in particular to a pinch roller fast roller replacement device. Background Art

[0002] The pinch roller quick change device is a device used on industrial production lines for quickly replacing or adjusting pinch rollers. On production lines, pinch rollers are usually used to convey materials. For example, in the process of packaging and conveying, due to the changes in the size, shape and weight of different products, the size and placement of the pinch rollers usually need to be frequently adjusted. It has the advantages of improving efficiency, saving time and reducing failure rates on industrial production lines.

[0003] The currently published patent: CN221019605U, discloses a device for quickly changing pinch rollers. The two hydraulic telescopic rods can be controlled by a touch panel, which can extend or retract at the same time, and drive the fixed frame to be flush with the pinch roller according to the actual height of the equipment. It can be positioned quickly and accurately, saving a lot of time and labor costs. By retracting the telescopic cylinder and bringing the worn pinch roller into the interior of the fixed frame with the cooperation of the support arm and the driven wheel, the telescopic cylinder is started to extend and drive the replacement pinch roller to contact the installation point of the equipment, so that rapid disassembly and installation can be achieved.

[0004] Based on the above search, it was found that the above patent has the following problems when in use: when the pinch roller quick roller changing device is in use, the telescopic cylinder is started to extend and drive the replacement pinch roller to contact the installation point of the equipment, so that quick disassembly and installation can be achieved. However, the staff needs to use a large number of bolts to fix the pinch roller, and the staff needs to use installation tools to replace the pinch roller. The installation process of the pinch roller is relatively cumbersome, which affects the convenience of replacing the pinch roller. Utility Model Content

[0005] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art and to provide a device for quickly changing pinch rollers, which can solve the problem that workers need to use a large number of bolts to fix the pinch rollers, and workers need to use installation tools to replace the pinch rollers. The installation process of the pinch rollers is relatively cumbersome, which affects the convenience of replacing the pinch rollers.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for quickly changing pinch rollers, comprising a mounting base and a pinch roller fixing device; a mounting frame is fixedly connected to the top of the mounting base, the interior of the right mounting frame is rotatably connected to two first turntables, and the interior of the left mounting frame is rotatably connected to two second turntables; the pinch roller fixing device comprises a rotary chuck, two arc-shaped pressure blocks, two ejectors, two fixed cylinders, two first sets of springs, a shaft sleeve, a pull rod, a ring, and a second set of springs; the rotary chuck is rotatably connected to the interior of the left mounting frame, the two arc-shaped pressure blocks are fixedly connected to the surface of the rotary chuck, the two ejectors are fixedly connected to the interior of the mounting frame, the two fixed cylinders are respectively slidably sleeved on the surfaces of the two ejectors, the two first sets of springs are respectively slidably sleeved on the surfaces of the two ejectors, the shaft sleeve is fixedly connected to the interior of the rotary chuck, and the pull rod is slidably sleeved on the interior of the shaft sleeve.

[0007] Preferably, a driving motor is fixedly mounted on the top of the mounting base, and an output end of the driving motor is fixedly connected to the surface of the lower first turntable.

[0008] Preferably, the surfaces of the two second turntables are rotatably connected with pinching rollers, and the right ends of the two pinching rollers are slidably installed inside the two first turntables respectively.

[0009] Preferably, the right ends of the two pinching and feeding rollers are each provided with a positioning key slot, and the interiors of the two first turntables are both fixedly connected with a positioning key block, and the two positioning key blocks are slidably engaged in the interiors of the two positioning key slots.

[0010] Preferably, the second sleeve spring is slidably sleeved on the surface of the pull rod, the ring is fixedly sleeved on the surface of the pull rod, and the ring is slidably connected to the inside of the shaft sleeve.

[0011] Preferably, four mounting holes are provided on the surface of the left mounting bracket, and the right end of the pull rod is slidably engaged in the interior of the mounting holes.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The pinch roller quick-change device allows the two fixed cylinders to be inserted into the two fixed holes to complete the installation. At this time, the staff no longer needs to use bolts to install and fix the pinch rollers, and the staff no longer needs to use installation tools to replace the pinch rollers, which simplifies the installation process of the pinch rollers and improves the convenience of pinch roller replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0015] Figure 1 This is a schematic diagram of the overall structure of a pinch roller quick roller changing device of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the left side mounting frame of the present invention;

[0017] Figure 3 This is a schematic diagram of the internal structure of the fixed cylinder of the utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the shaft sleeve of the utility model;

[0019] Figure 5 For this utility model Figure 2 Schematic diagram of the enlarged structure of A

[0020] Figure numerals: 1. Mounting base; 2. Mounting frame; 3. First turntable; 4. Driving motor; 5. Second turntable; 6. Pinch rod; 7. Positioning keyway; 8. Positioning key block; 9. Rotating chuck; 10. Arc-shaped pressure block; 11. Ejector pin; 12. Fixed cylinder; 13. Fixed clamping hole; 14. First set of springs; 15. Bushing; 16. Pull rod; 17. Ring; 18. Second set of springs; 19. Mounting clamping hole. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0022] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0023] In the description of this utility model, terms such as "greater than," "less than," and "exceed" are understood to exclude the number indicated, while terms such as "above," "below," and "within" are understood to include the number indicated. The terms "first" and "second" are used solely to distinguish technical features and are not to be construed as indicating or implying relative importance, or as implicitly specifying the number or order of the technical features indicated.

[0024] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0025] See also Figure 1-5 The utility model provides a technical solution: a device for quickly changing rollers of a pinching roller, comprising a mounting base 1 and a pinching roller fixing device, the top of the mounting base 1 is fixedly connected to a mounting frame 2, the inside of the right mounting frame 2 is rotatably connected to two first turntables 3, the top of the mounting base 1 is fixedly installed with a driving motor 4, the output end of the driving motor 4 is fixedly connected to the surface of the first turntable 3 on the lower side, the inside of the left mounting frame 2 is rotatably connected to two second turntables 5, the surfaces of the two second turntables 5 are rotatably connected with pinching rods 6, the right ends of the two pinching rods 6 are respectively slidably mounted on the inside of the two first turntables 3, the right ends of the two pinching rods 6 are provided with positioning key slots 7, the insides of the two first turntables 3 are fixedly connected with positioning key blocks 8, and the two positioning key blocks 8 are slidably engaged with the insides of the two positioning key slots 7.

[0026] The pinching rod 6 and the first turntable 3 can be installed together through the clamping action of the positioning key block 8 and the positioning key slot 7. After the staff starts the drive motor 4, the output end of the drive motor 4 rotates to drive the lower first turntable 3 and the pinching rod 6 to rotate simultaneously to transport the material.

[0027] The pinch roller fixing device includes a rotating chuck 9, two arc-shaped pressure blocks 10, two ejectors 11, two fixed cylinders 12, two first sets of springs 14, a sleeve 15, a pull rod 16, a ring 17 and a second set of springs 18. The rotating chuck 9 is rotatably connected to the inside of the left mounting frame 2. The two arc-shaped pressure blocks 10 are fixedly connected to the surface of the rotating chuck 9. The two ejectors 11 are fixedly connected to the inside of the mounting frame 2. The two fixed cylinders 12 are respectively slidably sleeved on the surfaces of the two ejectors 11. The two first sets of springs 14 are respectively slidably sleeved on the surfaces of the two ejectors 11. The sleeve 15 is fixedly connected to the inside of the rotating chuck 9. The pull rod 16 is slidably sleeved on the inside of the sleeve 15. The ring 17 is fixedly sleeved on the surface of the pull rod 16. The ring 17 is slidably connected to the inside of the sleeve 15. Four mounting holes 19 are provided on the surface of the left mounting frame 2. The right end of the pull rod 16 is slidably sleeved inside the mounting hole 19.

[0028] When the clamping rod 6 is installed and used, the arc-shaped pressure block 10 is pressed on the surface of the fixed cylinder 12, and the fixed cylinder 12 slides on the surface of the ejector pin 11 to squeeze the first set of springs 14, and the two fixed cylinders 12 are respectively clamped into the inside of the two fixed card holes 13 to fix the second turntable 5. When the staff needs to replace the clamping rod 6, the staff first slides the pull rod 16 to the rear side, and the pull rod 16 slides to the rear side and drives the ring 17 to move to the rear side to squeeze the second set of springs 18. The pull rod 16 moves to the rear side out of the inside of the installation card hole 19. Then, the staff rotates the rotating chuck 9 clockwise and drives the two arc-shaped pressure blocks 10 to rotate out of the surface of the two fixed cylinders 12. At this time, the first set The spring 14 can release the elastic force and push the fixed cylinder 12 to slide in the opposite direction and move out of the fixed card hole 13. Then, the staff slides the clamping rod 6 to the left and drives the second turntable 5 to move out of the left mounting frame 2 to complete the disassembly. Finally, the staff takes out a new clamping rod 6 and makes the second turntable 5 slide into the mounting frame 2 again, and makes the two fixed cylinders 12 fit into the two fixed card holes 13 to complete the installation. At this time, the staff no longer needs to use bolts to install and fix the clamping rod 6, and the staff no longer needs to use installation tools to replace the clamping rod 6, which simplifies the installation process of the clamping rod 6 and improves the convenience of replacing the clamping rod 6.

[0029] Working principle: The pinch roller quick roller changing device, the staff first slides the pull rod 16 to the rear side, the pull rod 16 slides to the rear side and drives the ring 17 to move to the rear side to squeeze the second set of springs 18, the pull rod 16 moves to the rear side out of the inside of the mounting hole 19, then the staff rotates the rotating chuck 9 clockwise and drives the two arc-shaped pressure blocks 10 to rotate out of the surface of the two fixed cylinders 12, at this time, the first set of springs 14 can release the elastic force and push the fixed cylinder 12 to slide in the opposite direction to move out of the inside of the fixed hole 13, then the staff slides the pinch roller to the left side 6 and drives the second turntable 5 to move out of the interior of the left mounting frame 2 to complete the disassembly. Finally, the staff takes out a new pinch rod 6 and makes the second turntable 5 slide into the interior of the mounting frame 2 again, and makes the two fixing cylinders 12 fit into the two fixing holes 13 to complete the installation. At this time, the staff no longer needs to use bolts to install and fix the pinch rod 6, and the staff no longer needs to use installation tools to replace the pinch rod 6, which simplifies the installation process of the pinch rod 6 and improves the convenience of replacing the pinch rod 6.

[0030] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A pinch roller quick change device, characterized in that: include: Installing the base (1) and the pinch roller fixing device; The top of the mounting base (1) is fixedly connected to a mounting frame (2), the inside of the right mounting frame (2) is rotatably connected to two first turntables (3), and the inside of the left mounting frame (2) is rotatably connected to two second turntables (5); The pinch roller fixing device comprises a rotating chuck (9), two arc-shaped pressure blocks (10), two ejectors (11), two fixed cylinders (12), two first sleeve springs (14), a shaft sleeve (15), a pull rod (16), a ring (17) and a second sleeve spring (18); the rotating chuck (9) is rotatably connected to the inside of the left mounting frame (2); the two arc-shaped pressure blocks (10) are fixedly connected to the surface of the rotating chuck (9); the two ejectors (11) are fixedly connected to the inside of the mounting frame (2); the two fixed cylinders (12) are respectively slidably sleeved on the surfaces of the two ejectors (11); the two first sleeve springs (14) are respectively slidably sleeved on the surfaces of the two ejectors (11); the shaft sleeve (15) is fixedly connected to the inside of the rotating chuck (9); and the pull rod (16) is slidably sleeved on the inside of the shaft sleeve (15).

2. The pinch roller quick change device according to claim 1, characterized in that: A driving motor (4) is fixedly mounted on the top of the mounting base (1), and an output end of the driving motor (4) is fixedly connected to the surface of the lower first turntable (3).

3. The pinch roller quick change device according to claim 1, characterized in that: The surfaces of the two second turntables (5) are both rotatably connected with pinching rods (6), and the right ends of the two pinching rods (6) are respectively slidably mounted inside the two first turntables (3).

4. The pinch roller quick change device according to claim 3, characterized in that: The right ends of the two clamping rods (6) are both provided with positioning key slots (7), and the interiors of the two first turntables (3) are both fixedly connected with positioning key blocks (8), and the two positioning key blocks (8) are slidably engaged in the interiors of the two positioning key slots (7).

5. The pinch roller quick change device according to claim 1, characterized in that: The second sleeve spring (18) is slidably sleeved on the surface of the pull rod (16), the ring (17) is fixedly sleeved on the surface of the pull rod (16), and the ring (17) is slidably connected to the inside of the shaft sleeve (15).

6. The pinch roller quick change device according to claim 5, characterized in that: Four mounting holes (19) are provided on the surface of the left mounting frame (2), and the right end of the pull rod (16) is slidably engaged in the interior of the mounting holes (19).

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