Special tool for checking parallelism of cutterhead and water chamber of underwater pelletizing system
By designing a special tool for parallelism inspection of underwater pelletizing systems including cutting plates, rotating components, clamping components and fixed components, the time-consuming inspection of parallelism between cutting plates and water chambers in the prior art underwater pelletizing systems has been solved. The complex disassembly of long-distance cutter plates and blades has achieved rapid and accurate maintenance and convenient disassembly, improving maintenance quality and production efficiency.
Patent Information
- Application Number
- CN202421405269.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-06-19
AI Technical Summary
The parallelism inspection method of the existing underwater pelletizing system is complicated and takes too long, which affects the quality of maintenance. The disassembly of the cutter and blade is complicated and takes a lot of time.
A special tool for parallelism inspection of the cutter plate and water chamber of the underwater pelletizing system is designed, including the cutter plate, rotating assembly, clamping assembly and fixing assembly. Through the mutual cooperation of these components, a fast and accurate parallelism inspection is achieved. Easy to disassemble with cutter plate and blade.
It realizes the rapid completion of maintenance work while ensuring installation quality, shortens the inspection time after changing the cutter, improves the maintenance quality, reduces unplanned parking, ensures the completion of production plans, and brings economic benefits.
Smart Images

Figure CN222505268U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of parallelism inspection, in particular to a special tool for inspecting the parallelism of a knife disc and a water chamber of an underwater pelletizing system. Background Art
[0002] Parallelism is an important geometric concept that describes the relative position relationship between two lines or two planes. In the fields of mechanics, engineering and science, parallelism is an important measurement parameter used to ensure the correct installation and operation of machines, equipment and structures. In order to ensure that the parallelism meets the requirements, precise measurement and adjustment are required. In mechanical processing, various measuring tools can be used to check parallelism, such as feeler gauges, gauges, etc. The parallelism inspection of the cutter disc and the water chamber of the underwater pelletizing system is now carried out by removing the center cutter fixing bolt and installing the tooling to check the table. This method requires removing and installing the center fixing bolt 5 times to check the parallelism between the cutter and the water chamber after replacing the cutter, which takes too much time and effort. At the same time, for the fixed cutter disc, the data may change once it is disassembled and assembled, and the maintenance quality is affected to a certain extent, which has an adverse effect on the periodic operation of the equipment. In addition, when the existing cutter disc and blade are replaced, they need to be manually disassembled, but the existing disassembly method is also very cumbersome and complicated, which takes a lot of time and brings great inconvenience to people's operation. Utility Model Content
[0003] The utility model aims to provide a special tool for checking the parallelism between a knife disc and a water chamber of an underwater pelletizing system, so as to solve the problems raised in the above-mentioned background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides a special tool for checking the parallelism between a knife disc and a water chamber of an underwater pelletizing system, comprising a knife disc, a parallelism checking tool being arranged on the top side of the knife disc, the parallelism checking tool comprising a fixing plate, the fixing plate being detachably mounted on the top side of the knife disc, a support rod being fixedly connected to the fixing plate, a clamping block being fixedly connected to the other end of the support rod, a clamping hole being arranged on the clamping block, and a twist handle being threadedly connected to the clamping block.
[0005] As a further improvement of the technical solution, a dial indicator is fixed to the clamping block via a twist handle.
[0006] As a further improvement of the technical solution, the fixing plate is fixedly connected to the cutter disc by bolts, and the support rod is respectively welded to the fixing plate and the clamping block.
[0007] As a further improvement of the present technical solution, a rotating assembly is provided at the center of the cutter disc, and the rotating assembly is used to drive the cutter disc to rotate. Two clamping assemblies are provided on the top side of the cutter disc, and the clamping assemblies are used to fix the cutter disc. A plurality of fixing assemblies are provided on the edge of the cutter disc, and the fixing assemblies are used to fix the tool. A parallelism inspection tool is provided on the top side of the cutter disc.
[0008] As a further improvement of the present technical solution, the rotating assembly includes a rotating shaft, which is arranged at the center position of the cutter disc, a fixing ring is fixedly installed on the rotating shaft, the fixing ring is used to support the cutter disc, a clamping groove is opened on the outer side of the rotating shaft, a fixing block is fixedly installed on the outer side of the rotating shaft, and the fixing block is located between the fixing ring and the clamping groove, and the fixing block is used to fix the cutter disc.
[0009] As a further improvement of the present technical solution, the clamping assembly includes a C-shaped fixing plate, which is fixedly installed on the top side of the cutter disc near the rotating shaft, and two first limiting holes are provided on the C-shaped fixing plate. Sliding grooves are provided on both sides of the inner wall of the C-shaped fixing plate, and the same C-shaped sliding block is slidably installed in the two sliding grooves. Two first limiting rods are fixedly installed on one side of the C-shaped sliding block, and the first limiting rod is slidably installed in the first limiting hole. A first reset spring is fixedly sleeved on the first limiting rod, and one end of the first reset spring is fixedly connected to the C-shaped sliding block, and the other end of the first reset spring is fixedly connected to the C-shaped fixing plate.
[0010] As a further improvement of the present technical solution, the fixing assembly includes a fixing slot, the fixing slot is opened at a position on the top side edge of the knife disc, two fixing rods are fixedly installed in the fixing slot, the same cutting knife is clamped on the two fixing rods, second limiting holes are opened at both sides of the fixing slot, a second limiting rod is slidably installed in the second limiting hole, one end of the two second limiting rods is fixedly installed with the same cross-shaped fixing block, two clamping holes are opened in the middle position of the cross-shaped fixing block, and the clamping holes are adapted to the fixing rods, the middle position of the bottom side of the cross-shaped fixing block protrudes downward, the protruding part of the cross-shaped fixing block is adapted to the fixing slot, a second return spring is fixedly sleeved on the second limit rod, one end of the second return spring is fixedly connected to the bottom side of the cross-shaped fixing block, and the other end of the second return spring is fixedly connected to the bottom side of the knife disc.
[0011] As a further improvement of the technical solution, the inner semicircular arc shape of the C-shaped sliding block is adapted to the size of the clamping groove, and the C-shaped sliding block is used to fix the cutter disc.
[0012] As a further improvement of the present technical solution, the parallelism inspection tool includes a fixing plate, which is detachably mounted on the top side of the cutter disc, a support rod is fixedly mounted on the fixing plate, a clamping block is fixedly mounted on the other end of the support rod, a clamping hole is provided on the clamping block, and a twist handle is threadedly connected to the clamping block.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1: This parallelism inspection tool can complete the inspection work at the fastest inspection speed and the shortest operation time under the premise of ensuring the installation quality, ensuring the smooth operation of the device; use the two M10mm threaded holes on the cutter disc to fix the parallelism inspection tool of this design to realize the inspection of the parallelism of the cutter and the water chamber, shorten the time of checking the parallelism of the cutter and the water chamber after replacing the cutter, and can shorten the time by 6 minutes compared with the original operation method, so as to achieve the purpose of early start; ensure the accuracy of the measured data and improve the maintenance quality; avoid the unplanned shutdown of the device production due to the maintenance operation time exceeding the process requirements, which provides a favorable guarantee for the completion of the company's annual production plan, and brings certain economic benefits to the company.
[0015] 2: The utility model can also disassemble the cutter disc through the cooperation of the rotating assembly and the clamping assembly. The two first return springs can make one side of the arc surface of the C-shaped sliding block clamped in the clamping groove on the rotating shaft. At the same time, under the action of the fixing ring and the fixing block, the cutter disc is clamped on the top of the fixing ring, thereby achieving the fixing effect of the cutter disc, and making it convenient for maintenance personnel to disassemble the cutter disc.
[0016] 3: The utility model also facilitates the disassembly of the cutter by providing a fixing assembly. The two second return springs drive the protruding portion of the cross-shaped fixing block to move vertically downward along the fixing rod, thereby being able to squeeze and fix the blade, making it convenient for maintenance personnel to disassemble the blade. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 It is a structural schematic diagram of a parallelism inspection tool of the utility model;
[0019] Figure 3 It is a schematic diagram of the structure of the rotating assembly of the utility model;
[0020] Figure 4 It is a structural schematic diagram of the clamping assembly of the utility model;
[0021] Figure 5 It is a schematic diagram of the structure of the fixing component of the utility model.
[0022] The meaning of each number in the figure is:
[0023] 1. Cutter disc; 2. Rotating assembly; 21. Rotating shaft; 22. Fixed ring; 23. Snap-in groove; 24. Fixed block; 3. Snap-in assembly; 31. C-type fixed plate; 32. Sliding groove; 33. C-type sliding block; 34. First limit rod; 35. First return spring; 4. Fixed assembly; 41. Fixed rod; 42. Cutter; 43. Cross-shaped fixed block; 44. Second limit rod; 45. Second return spring; 5. Parallelism inspection tool; 51. Fixed plate; 52. Support rod; 53. Snap-in block; 54. Twist handle. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0026] Example: See Figure 1-Figure 5 As shown, this embodiment provides a special tool for checking the parallelism between the cutter disc and the water chamber of an underwater pelletizing system, comprising a cutter disc 1, a parallelism checking tool 5 is arranged on the top side of the cutter disc 1, and the parallelism checking tool 5 comprises a fixing plate 51, the fixing plate 51 is detachably mounted on the top side of the cutter disc 1, a support rod 52 is fixedly connected to the fixing plate 51, a clamping block 53 is fixedly connected to the other end of the support rod 52, a clamping hole is provided on the clamping block 53, and a twist handle 54 is threadedly connected to the clamping block 53. A dial indicator is fixed to the clamping block 53 through the twist handle 54. The fixing plate 51 is fixedly connected to the cutter disc 1 by bolts, and the support rod 52 is welded to the fixing plate 51 and the clamping block 53, respectively. The dial indicator is inserted into the clamping hole, and the dial indicator is fixed by rotating the twist handle 54, so as to achieve the effect of testing the stability of the cutter disc 1.
[0027] A rotating assembly 2 is provided at the center of the cutter disc 1, and the rotating assembly 2 is used to drive the cutter disc 1 to rotate. Two clamping assemblies 3 are provided on the top side of the cutter disc 1, and the clamping assemblies 3 are used to fix the cutter disc 1. A plurality of fixing assemblies 4 are provided at the edge of the cutter disc 1, and the fixing assemblies 4 are used to fix the tool.
[0028] The rotating assembly 2 includes a rotating shaft 21, which is arranged at the center position of the cutter disc 1. A fixing ring 22 is fixedly installed on the rotating shaft 21. The fixing ring 22 is used to support the cutter disc 1 and facilitate the limiting of the cutter disc 1. A clamping groove 23 is opened on the outer side of the rotating shaft 21. A fixing block 24 is fixedly installed on the outer side of the rotating shaft 21, and the fixing block 24 is located between the fixing ring 22 and the clamping groove 23. The fixing block 24 is used to fix the cutter disc 1, which facilitates the clamping of the cutter disc 1 and achieves the effect of fixing the cutter disc 1.
[0029] The clamping assembly 3 includes a C-shaped fixing plate 31, which is fixedly installed on the top side of the cutter disc 1 near the rotating shaft 21. Two first limiting holes are provided on the C-shaped fixing plate 31, and sliding grooves 32 are provided on both sides of the inner wall of the C-shaped fixing plate 31. The same C-shaped sliding block 33 is slidably installed in the two sliding grooves 32, which facilitate the C-shaped sliding block 33 to limit and slide. Two first limiting rods 34 are fixedly installed on one side of the C-shaped sliding block 33, and the first limiting rod 34 is slidably installed in the first limiting hole. A first return spring 35 is fixedly sleeved on the first limiting rod 34, one end of the first return spring 35 is fixedly connected to the C-shaped sliding block 33, and the other end of the first return spring 35 is fixedly connected to the C-shaped fixing plate 31. The first return spring 35 provided can have a thrust on the C-shaped sliding block 33, so that the arc surface side of the C-shaped sliding block 33 is stuck in the clamping groove 23, thereby achieving the effect of stably fixing the cutter disc 1.
[0030] The fixing assembly 4 includes a fixing groove, which is arranged at the top side edge of the cutter disc 1. Two fixing rods 41 are fixedly installed in the fixing groove. The same cutter 42 is clamped on the two fixing rods 41. One end of the cutter 42 can be clamped through the fixing groove, which is convenient for fixing and removing the cutter 42. Second limiting holes are arranged on both sides of the fixing groove. Second limiting rods 44 are slidably installed in the second limiting holes. The same cross-shaped fixing block 43 is fixedly installed at one end of the two second limiting rods 44. Two clamping holes are arranged in the middle position of the cross-shaped fixing block 43, and the clamping holes are adapted to the fixing rods 41. The middle position of the bottom side of the cross-shaped fixing block 43 protrudes downward, and the protruding part of the cross-shaped fixing block 43 is adapted to the fixing groove. A second return spring 45 is fixedly sleeved on the second limiting rod 44. One end of the second return spring 45 is fixedly connected to the bottom side of the cross-shaped fixing block 43, and the other end of the second return spring 45 is fixedly connected to the bottom side of the knife disc 1. Through the action force of the second return spring 45, the protruding part of the cross-shaped fixing block 43 can enter the fixing groove along the fixing rod 41 and contact the cutter 42, squeezing it, so that the cross-shaped fixing block 43 can achieve the effect of squeezing and fixing the cutter 42.
[0031] The inner semicircular arc shape of the C-shaped sliding block 33 is adapted to the size of the clamping groove 23 . The C-shaped sliding block 33 is used to fix the cutter disc 1 . The C-shaped sliding block 33 is used to facilitate the disassembly of the cutter disc 1 .
[0032] In summary, the working principle of this solution is as follows:
[0033] When the special tool for checking the parallelism between the cutter disc and the water chamber of the underwater pelletizing system of this embodiment is used, the parallelism checking tool 5 is first fixed on the cutter disc 1, and the cutter disc 1 is driven to rotate by the rotating shaft 21. Then, the data of the micrometer on the parallelism checking tool 5 is observed. The micrometer on the parallelism checking tool 5 is used to observe whether the cutter disc 1 is tilted. If tilted, the cutter disc 1 needs to be removed from the rotating shaft 21 for inspection or replacement by sliding the C-shaped sliding block 33 to both sides. At the same time, the cutter 42 on the edge of the cutter disc 1 can slide the cross-shaped fixing block 43 vertically upward, so that the cutter 42 can be easily removed, which is convenient for maintenance personnel to inspect and replace the cutter 42.
[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A special tool for checking the parallelism between a knife disc and a water chamber of an underwater pelletizing system, comprising a knife disc (1), characterized in that: A parallelism inspection tool (5) is arranged on the top side of the cutter disc (1), and the parallelism inspection tool (5) comprises a fixing plate (51), and the fixing plate (51) is detachably mounted on the top side of the cutter disc (1); a support rod (52) is fixedly connected to the fixing plate (51); a clamping block (53) is fixedly connected to the other end of the support rod (52); a clamping hole is provided on the clamping block (53); and a twist handle (54) is threadedly connected to the clamping block (53).
2. The special tool for checking the parallelism between the cutter disc and the water chamber of the underwater pelletizing system according to claim 1, characterized in that: A dial indicator is fixed on the clamping block (53) via a twist handle (54).
3. The special tool for checking the parallelism between the cutter disc and the water chamber of the underwater pelletizing system according to claim 1, characterized in that: The fixing plate (51) is fixedly connected to the cutter disc (1) by means of bolts, and the support rod (52) is respectively welded to the fixing plate (51) and the clamping block (53).
4. The special tool for checking the parallelism between the cutter disc and the water chamber of the underwater pelletizing system according to claim 1, characterized in that: A rotating assembly (2) is arranged at the center of the cutter disc (1), and the rotating assembly (2) is used to drive the cutter disc (1) to rotate. Two clamping assemblies (3) are arranged on the top side of the cutter disc (1), and the clamping assemblies (3) are used to fix the cutter disc (1). A plurality of fixing assemblies (4) are arranged on the edge of the cutter disc (1), and the fixing assemblies (4) are used to fix the cutting tool.
5. The special tool for checking the parallelism between the cutter disc and the water chamber of the underwater pelletizing system according to claim 4, characterized in that: The rotating assembly (2) comprises a rotating shaft (21), the rotating shaft (21) being arranged at the center of the cutter disc (1), a fixing ring (22) being fixedly mounted on the rotating shaft (21), the fixing ring (22) being used to support the cutter disc (1), a clamping groove (23) being provided on the outer side of the rotating shaft (21), a fixing block (24) being fixedly mounted on the outer side of the rotating shaft (21), the fixing block (24) being located between the fixing ring (22) and the clamping groove (23), and the fixing block (24) being used to fix the cutter disc (1).
6. The special tool for checking the parallelism between the cutter disc and the water chamber of the underwater pelletizing system according to claim 4, characterized in that: The clamping assembly (3) comprises a C-shaped fixing plate (31), wherein the C-shaped fixing plate (31) is fixedly mounted on the top side of the cutter disc (1) near the rotating shaft (21), and the C-shaped fixing plate (31) is provided with two first limiting holes, and sliding grooves (32) are provided on both sides of the inner wall of the C-shaped fixing plate (31), and the same C-shaped sliding block (33) is slidably mounted in the two sliding grooves (32), and two first limiting rods (34) are fixedly mounted on one side of the C-shaped sliding block (33), and the first limiting rod (34) is slidably mounted in the first limiting hole, and a first return spring (35) is fixedly sleeved on the first limiting rod (34), and one end of the first return spring (35) is fixedly connected to the C-shaped sliding block (33), and the other end of the first return spring (35) is fixedly connected to the C-shaped fixing plate (31).
7. The special tool for checking the parallelism between the cutter disc and the water chamber of the underwater pelletizing system according to claim 4, characterized in that: The fixing assembly (4) comprises a fixing groove, the fixing groove is arranged at a position of a top side edge of the cutter disc (1), two fixing rods (41) are fixedly installed in the fixing groove, the two fixing rods (41) are clamped with a same cutter (42), second limiting holes are arranged at two sides of the fixing groove, second limiting rods (44) are slidably installed in the second limiting holes, one end of the two second limiting rods (44) is fixedly installed with a same cross-shaped fixing block (43), the cross-shaped fixing block (43) ) is provided with two engaging holes in the middle position, and the engaging holes are matched with the fixing rod (41); the middle position of the bottom side of the cross-shaped fixing block (43) protrudes downward, and the protruding part of the cross-shaped fixing block (43) is matched with the fixing groove; a second return spring (45) is fixedly sleeved on the second limiting rod (44); one end of the second return spring (45) is fixedly connected to the bottom side of the cross-shaped fixing block (43), and the other end of the second return spring (45) is fixedly connected to the bottom side of the cutter disc (1).
8. The special tool for checking the parallelism between the blade disc and the water chamber of the underwater pelletizing system according to claim 6, characterized in that: The inner semicircular arc shape of the C-shaped sliding block (33) is adapted to the size of the clamping groove (23), and the C-shaped sliding block (33) is used to fix the cutter disc (1).