PU wheel edge trimmer
By designing a PU wheel edge cutting machine with main feeding rod and motor-driven, combining the limiting mechanism and cutting components, the problem of removing edges in PU wheel production is solved, efficient and high-quality edge cutting operations are achieved, and the efficiency of PU wheel dressing efficiency is improved.
Patent Information
- Application Number
- CN202421762341.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-24
AI Technical Summary
During the production process of PU wheel, due to the mold separation gap, the residual edges on the PU wheel are left. The prior art is difficult to remove these edges efficiently, affecting the quality of the PU wheel.
A PU wheel edge cutting machine is designed, including the device base and an edge cutting mechanism. The edge cutting mechanism is driven by the main feeding rod and the motor, combined with the limiting mechanism and the cutting assembly to achieve efficient cutting of the edges of the PU wheel edge.
Through the use of this device, it is possible to efficiently and with high quality to remove the PU wheel, improve the trimming efficiency of the PU wheel, and avoid displacement problems during cutting operations.
Smart Images
Figure CN222807226U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of edge trimming machines, in particular to a PU wheel edge trimming machine. Background Art
[0002] PU wheels are also called PU infusion wheels. PU is a kind of plastic, but additives are added during the production process, so the performance is better, but the relative cost also increases. PU wheels are usually produced by injection molding and foaming.
[0003] When the PU material is melted and put into the mold, there must be a gap between the two parts because the mold is divided into upper and lower parts. In the case of some improper operation, some stray edges will remain on the PU wheel. In order to ensure the quality of the PU wheel, these stray edges need to be cut off before leaving the factory. For this reason, we propose a PU wheel trimming machine. Utility Model Content
[0004] In order to overcome the shortcomings of the prior art, the utility model provides a PU wheel trimming machine. When a part of the PU wheel body has jagged edges, it can be fixed on the main feeding rotating rod, and then the jagged edges that may remain on its edge can be unified and cleared. The main feeding rotating rod of this mechanism is driven by a motor, which can complete the trimming operation more efficiently and with high quality, thereby improving the trimming efficiency of the PU wheel.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a PU wheel trimming machine, including a device base and a trimming mechanism, the trimming mechanism includes a fixed side plate and a movable side plate, the fixed side plate and the movable side plate are both arranged on the top end surface of the device base, a main feeding rotating rod is connected through the fixed side plate, both ends of the main feeding rotating rod are located on the outside of the fixed side plate and are connected to a motor in a transmission manner on the end surface away from the movable side plate, and a first bearing is provided at the connection between the main feeding rotating rod and the fixed side plate, a limiting ring, a rubber ring and a PU wheel body are sleeved on the outside of the main feeding rotating rod, the limiting ring is fixedly connected to the main feeding rotating rod, the limiting ring is located between the PU wheel body and the main feeding rotating rod, and the A cylindrical groove is provided on one side surface of the movable side plate close to the fixed side plate, a connecting block is provided inside the cylindrical groove, a second bearing is provided at the connection between the connecting block and the movable side plate, and a connecting slot is provided on one side surface of the connecting block close to the cylindrical groove, a limiting groove is provided on the inner side of the connecting slot, one end of the main feeding rotating rod extends to the inner side of the cylindrical groove and is inserted into the inner side of the connecting slot, a limiting convex rod is provided on the outer side of the main feeding rotating rod, and the limiting convex rod is movably connected to the inner side of the limiting groove, a cutting assembly is provided on the top end face of the device base, the cutting assembly includes a support frame and a trimming blade, the trimming blade is located on the top end face of the PU wheel body, and a pushing assembly is provided at the connection between the movable side plate and the device base.
[0006] As a preferred technical solution of the utility model, the pushing component includes an open groove, which is opened on the top end face of the device base, and a threaded groove is opened on one side surface of the device base and is connected to the open groove. A threaded push rod is threadedly connected to the inner side of the threaded groove, and one end of the threaded push rod extends to the inner side of the open groove, and a connecting slide rod is provided on the bottom end face of the movable side plate, and the connecting slide rod is slidably connected to the inner side of the open groove and is connected to the threaded push rod by a bearing.
[0007] As a preferred technical solution of the utility model, the limiting convex rod is arranged in a ring shape around the outer side of the main feeding rotating rod, and the number of the limiting grooves is the same as the limiting convex rods.
[0008] As a preferred technical solution of the utility model, a placement plate is provided on a surface of the fixed side plate away from the movable side plate, and the motor is located on the top end surface of the placement plate.
[0009] As a preferred technical solution of the utility model, it also includes a limiting mechanism, which includes a main rotating groove, which is opened inside the fixed side plate and the movable side plate, and a through groove is opened inside the upper half of the fixed side plate and the movable side plate and is connected to the main rotating groove. The main rotating rod is connected to the main rotating groove inner bearing, and two gears are provided on the upper and lower outer sides of the main rotating rod. A rack is meshed and connected to the outer side of the gear, and the rack is movably connected to the inner side of the through groove, and a reinforcement push block is provided on the end face of one end of the rack close to the PU wheel body, and one end of the reinforcement push block is located on the outside of the PU wheel body.
[0010] As a preferred technical solution of the utility model, the end surface of the main rotating rod located outside the fixed side plate and the movable side plate is fixedly connected to an auxiliary rotating block, and the end surface of the reinforced push block close to the PU wheel body is provided with a protective pad.
[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:
[0012] 1. Through the trimming mechanism, when there are stray edges on some PU wheels, they can be fixed on the main feeding rod, and then the stray edges that may remain on the edges can be uniformly cleared. The main feeding rod of this mechanism is driven by a motor, which can complete the trimming operation more efficiently and with higher quality, thereby improving the trimming efficiency of PU wheels;
[0013] 2. Through the setting of the limiting mechanism, the area where the PU wheel body is located can be limited to a certain extent to avoid large displacement during the cutting operation, thereby improving the performance of the cutting mechanism. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a front cross-sectional structural schematic diagram of the utility model;
[0015] Figure 2 It is a schematic diagram of the top view structure of the utility model;
[0016] Figure 3 For the utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;
[0017] Figure 4 For the utility model Figure 1 A schematic diagram of the enlarged structure at B in the middle;
[0018] Among them: 1. Device base; 2. Fixed side plate; 3. Movable side plate; 4. Main rotating groove; 10. PU wheel body; 11. Cutting assembly; 12. Open groove; 13. Threaded groove; 21. Main feeding rotating rod; 22. Motor; 23. Placement plate; 24. Rubber ring; 25. Limiting ring; 26. Limiting convex rod; 31. Cylindrical groove; 32. Connecting block; 33. Connecting slot; 34. Limiting groove; 35. Connecting slide rod; 36. Threaded push rod; 41. Penetrating groove; 42. Main rotating rod; 43. Gear; 44. Auxiliary rotating block; 45. Rack; 46. Reinforcement push block. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.
[0020] Embodiment 1:
[0021] like Figure 1-Figure 4As shown, a PU wheel trimming machine includes a device base 1 and a trimming mechanism, the trimming mechanism includes a fixed side plate 2 and a movable side plate 3, the fixed side plate 2 and the movable side plate 3 are both arranged on the top end surface of the device base 1, a main feeding rotating rod 21 is connected through the fixed side plate 2, both ends of the main feeding rotating rod 21 are located outside the fixed side plate 2 and are connected to a motor 22 at one end away from the movable side plate 3, and a first bearing is provided at the connection between the main feeding rotating rod 21 and the fixed side plate 2. The outer side of the material rotating rod 21 is provided with a limiting ring 25, a rubber ring 24 and a PU wheel body 10. The limiting ring 25 is fixedly connected to the main feeding rotating rod 21. The limiting ring 25 is located between the PU wheel body 10 and the main feeding rotating rod 21. A cylindrical groove 31 is provided on the side surface of the movable side plate 3 close to the fixed side plate 2. A connecting block 32 is provided inside the cylindrical groove 31. A second bearing is provided at the connection between the connecting block 32 and the movable side plate 3, and a connecting block 32 is provided on the side surface close to the cylindrical groove 31. The slot 33 has a limited groove 34 on the inner side of the connecting slot 33, one end of the main feeding rotating rod 21 extends to the inner side of the cylindrical groove 31 and is inserted into the inner side of the connecting slot 33, and a limiting convex rod 26 is provided on the outer side of the main feeding rotating rod 21, and the limiting convex rod 26 is movably connected to the inner side of the limiting groove 34. A cutting assembly 11 is provided on the top end face of the device base 1, and the cutting assembly 11 includes a support frame and a trimming blade, and the trimming blade is located on the top end face of the PU wheel body 10. A pushing assembly is provided at the connection between the movable side plate 3 and the device base 1; the pushing assembly includes an open groove 12, and the open groove 12 is provided on the top end face of the device base 1. A threaded groove 13 that is connected to the open groove 12 is provided on one side surface of the device base 1, and a threaded push rod 36 is threadedly connected to the inner side of the threaded groove 13, and one end of the threaded push rod 36 extends to the inner side of the open groove 12, and a connecting slide rod 35 is provided on the bottom end face of the movable side plate 3, and the connecting slide rod 35 is slidably connected to the inner side of the open groove 12 and is connected to the threaded push rod 36 as a bearing;
[0022] PU wheels are also called PU infusion wheels. PU is a kind of plastic, but additives are added during the production process, so the performance is better, but the relative cost also increases. PU wheels are usually produced by injection molding and foaming.
[0023] When the PU material is melted and put into the mold, there must be a gap between the two parts, because the mold is divided into two parts, and in some cases of improper operation, some stray edges will remain on the PU wheel. In order to ensure the quality of the PU wheel, these stray edges need to be cut off before leaving the factory;
[0024] First, select a rubber ring 24 that matches the inner diameter of the PU wheel body 10, and sleeve the rubber ring 24 on the main feeding rotating rod 21, then sleeve the PU wheel body 10 on the outside of the rubber ring 24, and then fix the PU wheel body 10 on the main feeding rotating rod 21, and then rotate the threaded push rod 36, the threaded push rod 36 will push the connecting slide rod 35 to move in the direction of the fixed side plate 2 while rotating, so that one end of the main feeding rotating rod 21 can be inserted into the connecting slot 33, and the limiting convex rod 26 is also inserted into the limiting groove 34 to play a role of connection and limiting. After all the processing is completed, adjust the position of the trimming blade on the cutting assembly 11, and finally turn on the motor 22. The motor 22 drives the main feeding rotating rod 21 to rotate. Under the support of the first bearing and the second bearing, the main feeding rotating rod 21 drives the PU wheel body 10 to rotate and contact the blade without affecting the fixed side plate 2 and the movable side plate 3, and the redundant edges on the PU wheel body 10 are cut off;
[0025] When there are jagged edges on part of the PU wheel body 10, it can be fixed on the main feeding rotating rod 21, and then the jagged edges that may remain on its edge can be unified and cleared. The main feeding rotating rod 21 of this mechanism is driven by the motor 22, which can complete the trimming operation more efficiently and with high quality, thereby improving the trimming efficiency of the PU wheel.
[0026] In other embodiments, the present embodiment discloses, please Figure 3 As shown, the limiting protrusion 26 is arranged in a ring shape around the outer side of the main feeding rotating rod 21, and the number of the limiting grooves 34 is the same as the number of the limiting protrusions 26; through this design, there are more connection points between the main feeding rotating rod 21 and the connecting block 32, thereby improving the connection stability.
[0027] In other embodiments, the present embodiment discloses, please Figure 3 As shown, a placement plate 23 is provided on the surface of the fixed side plate 2 away from the movable side plate 3, and the motor 22 is located on the top end surface of the placement plate 23; through this design, the motor 22 can better establish a connection with the fixed side plate 2, thereby making its operating state more stable.
[0028] Embodiment 2:
[0029] In other embodiments, the present embodiment discloses, please Figure 1-Figure 3As shown, it also includes a limiting mechanism, which includes a main rotating groove 4, which is opened inside the fixed side plate 2 and the movable side plate 3, and a through groove 41 is opened inside the upper half of the fixed side plate 2 and the movable side plate 3 and is connected to the main rotating groove 4, and a main rotating rod 42 is connected to the main rotating groove 4 by a bearing inside the main rotating groove 4, and two gears 43 are arranged on the upper and lower outer sides of the main rotating rod 42, and a rack 45 is meshed and connected on the outer side of the gear 43, and the rack 45 is movably connected to the inner side of the through groove 41, and a reinforcement push block 46 is provided on the end surface of one end of the rack 45 close to the PU wheel body 10, and one end of the reinforcement push block 46 is located on the outer side of the PU wheel body 10;
[0030] After all the settings of the trimming mechanism are completed and before the trimming begins, rotate the main rotating rod 42 to allow the main rotating rod 42 to drive the gear 43 to rotate, so that the rack 45 moves toward the PU wheel body 10, and the reinforcement push blocks 46 surround the two sides of the PU wheel body 10 to limit the position of the PU wheel body 10; the area where the PU wheel body 10 is located can be limited to a certain extent to avoid large displacement during the cutting operation, thereby improving the performance of the trimming mechanism.
[0031] In other embodiments, the present embodiment discloses, please Figure 3 As shown, the end face of the main rotating rod 42 located on the outside of the fixed side plate 2 and the movable side plate 3 is fixedly connected to an auxiliary rotating block 44, and the end face of the reinforcement push block 46 close to the PU wheel body 10 is provided with a protective pad; through this design, it is easier to apply force when the main rotating rod 42 needs to be rotated, and the presence of the protective pad can prevent the PU wheel body 10 from being worn when it contacts the reinforcement push block 46.
[0032] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.
Claims
1. A PU wheel trimming machine, comprising a device base (1) and a trimming mechanism, characterized in that: The trimming mechanism comprises a fixed side plate (2) and a movable side plate (3), wherein the fixed side plate (2) and the movable side plate (3) are both arranged on the top end surface of the device base (1), a main feeding rotating rod (21) is connected through the fixed side plate (2), both ends of the main feeding rotating rod (21) are located outside the fixed side plate (2) and are drivingly connected to a motor (22) at the end surface away from the movable side plate (3), and a first bearing is provided at the connection between the main feeding rotating rod (21) and the fixed side plate (2), a limiting ring (25), a rubber ring (24) and a PU wheel body (10) are sleeved on the outside of the main feeding rotating rod (21), the limiting ring (25) and the main feeding rotating rod (21) are fixedly connected, and the limiting ring (25) is located between the PU wheel body (10) and the main feeding rotating rod (21), and a cylindrical groove (31) is provided on the surface of one side of the movable side plate (3) close to the fixed side plate (2) ), a connecting block (32) is provided inside the cylindrical groove (31), a second bearing is provided at the connection between the connecting block (32) and the movable side plate (3), and a connecting slot (33) is provided on a side surface of the connecting block (32) close to the cylindrical groove (31), a limiting groove (34) is provided inside the connecting slot (33), one end of the main feeding rotating rod (21) extends to the inside of the cylindrical groove (31) and is inserted into the inside of the connecting slot (33), a limiting convex rod (26) is provided on the outside of the main feeding rotating rod (21), and the limiting convex rod (26) is movably connected to the inside of the limiting groove (34), a cutting assembly (11) is provided on the top end surface of the device base (1), the cutting assembly (11) comprises a support frame and a trimming blade, and the trimming blade is located on the top end surface of the PU wheel body (10), and a pushing assembly is provided at the connection between the movable side plate (3) and the device base (1).
2. A PU wheel trimming machine according to claim 1, characterized in that: The pushing assembly comprises an open groove (12), the open groove (12) being provided on the top end surface of the device base (1), a threaded groove (13) being in communication with the open groove (12) being provided on one side surface of the device base (1), a threaded push rod (36) being threadedly connected to the inner side of the threaded groove (13), one end of the threaded push rod (36) extending to the inner side of the open groove (12), and a connecting slide rod (35) being provided on the bottom end surface of the movable side plate (3), the connecting slide rod (35) being slidably connected to the inner side of the open groove (12) and being bearing-connected to the threaded push rod (36).
3. A PU wheel trimming machine according to claim 2, characterized in that: The limiting convex rod (26) is arranged in a ring shape around the outer side of the main feeding rotating rod (21), and the number of the limiting grooves (34) is the same as the number of the limiting convex rods (26).
4. The PU wheel trimming machine according to claim 1, characterized in that: A placement plate (23) is provided on a side surface of the fixed side plate (2) away from the movable side plate (3), and the motor (22) is located on the top end surface of the placement plate (23).
5. The PU wheel trimming machine according to claim 1, characterized in that: The invention also comprises a limiting mechanism, wherein the limiting mechanism comprises a main rotating groove (4), wherein the main rotating groove (4) is provided inside the fixed side plate (2) and the movable side plate (3), wherein a through groove (41) is provided inside the upper half of the fixed side plate (2) and the movable side plate (3) and is connected to the main rotating groove (4), wherein a main rotating rod (42) is connected to the main rotating groove (4) by a bearing inside the main rotating groove (4), wherein two gears (43) are provided on the upper and lower sides of the outer side of the main rotating rod (42), wherein a rack (45) is meshingly connected to the outer side of the gear (43), wherein the rack (45) is movably connected to the inner side of the through groove (41), and a reinforcing push block (46) is provided on the end surface of one end of the rack (45) close to the PU wheel body (10), wherein one end of the reinforcing push block (46) is located on the outer side of the PU wheel body (10).
6. A PU wheel trimming machine according to claim 5, characterized in that: The main rotating rod (42) is fixedly connected to an auxiliary rotating block (44) on one end surface located outside the fixed side plate (2) and the movable side plate (3), and a protective pad is provided on one end surface of the reinforced push block (46) close to the PU wheel body (10).