Shifting fork assembly and rhinestone grinding and polishing machine
By adopting a double-sided belt drive structure and a geared motor drive in the water drill grinding and polishing machine, the problems of transmission accuracy and stability of the shift fork assembly were solved, and high-precision, long-life clamp lifting operation was achieved.
Patent Information
- Application Number
- CN202422687797.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-11-04
AI Technical Summary
The transmission structure of the shift fork assembly in existing water-jetting and polishing machines suffers from low precision, poor stability, and a decrease in transmission precision when one side of the belt is disconnected, as well as high cost.
It adopts a double-sided belt drive structure, with the drive shaft and driven shaft set at intervals. The drive wheel and driven wheel are connected by belts and are driven by a geared motor. The drive shaft can still operate normally when one side of the belt is disconnected, ensuring the lifting function of the clamp.
The structural precision and stability of the shift fork assembly have been improved, extending its service life. It also features a double safety function to ensure the normal lifting and lowering operation of the clamp.
Smart Images

Figure CN223604060U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to diamond polishing technology field especially relates to a fork assembly and water burr polishing machine. BACKGROUND
[0002] Water burr polishing needs to go through a series of processes such as powder dipping, feeding, polishing, switching, re-polishing and discharging, and different processes are carried out at different stations of the water burr polishing machine, therefore, the clamp needs to be moved to different stations.
[0003] The fork assembly needs to lift the clamp during the transfer process, and there are two commonly used methods, one is that a single-sided gear set drives the pivot swing of the fork arm, but dust is easy to enter between the gear sets, affecting the matching precision between the gears, the second is a single-sided pulley and belt transmission method, but the belt will be broken, affecting the rotation of the fork arm, and the third is a T-shaped speed reducer driving a double-sided belt transmission structure on the market, but the T-shaped speed reducer is high in cost, and the internal gap of the T-shaped speed reducer increases after a period of operation, causing the transmission precision to decrease, therefore, the transmission structure of the fork assembly needs to be optimized. SUMMARY
[0004] The utility model aims at overcoming the shortcomings and deficiencies of prior art and provides a fork assembly and water burr polishing machine.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a fork assembly, including moving plate, the fork arm of rotation setting in moving plate and the fork drive assembly of driving the fork arm relative moving plate reciprocating swing and realizing clamp lifting, the fork drive assembly includes driving shaft, driven shaft and power source of driving driving shaft positive and negative rotation, the fork arm is connected with moving plate rotation through driven shaft, the driving shaft is parallel to driven shaft and is spaced apart, the driving shaft both ends are provided with driving wheel, the driven wheel of driven shaft both ends is set, and two driving wheels are respectively connected with the driven wheel of each side through the transmission of the belt.
[0006] As a preferred technical scheme of the utility model, the moving plate is provided with a detachable mounting bracket, the driving shaft is rotationally connected to the mounting bracket, and the driving shaft has a first mounting end and a second mounting end located on both sides of the mounting bracket, and the two driving wheels are respectively mounted on the first mounting end and the second mounting end.
[0007] As a preferred technical scheme of the utility model, the mounting bracket includes a bottom plate, mounting portions provided on both sides of the bottom plate, mounting holes are formed on each mounting portion, bearings are embedded in the mounting holes, the driving shaft is rotationally fitted with the bearings on the two mounting portions, and the first mounting end and the second mounting end of the driving shaft are respectively located on the sides of the two mounting portions away from each other.
[0008] As a preferred technical scheme of the utility model, long round holes are formed on the two sides of the bottom plate, first threaded holes corresponding to the long round holes on the two sides are formed on the moving plate, bolts are arranged in the long round holes and are in threaded connection with the first threaded holes, and the relative positions of the long round holes and the first threaded holes can change the distance between the driving shaft and the driven shaft.
[0009] As a preferred technical scheme of the utility model, a fixing part is further arranged on the bottom plate and is located on one side of the first mounting end or the second mounting end, an installation area is formed between the fixing part and the corresponding mounting part, the power source is a speed reducer motor, the speed reducer motor is arranged on the outside of the fixing part, and the motor shaft of the speed reducer motor extends to the inside of the fixing part and is connected to the first mounting end or the second mounting end through the connecting piece.
[0010] As a preferred technical scheme of the utility model, the connecting piece comprises oppositely arranged upper pressing plates and lower pressing plates, the upper pressing plates and the lower pressing plates are respectively provided with semicircular grooves on the sides close to each other and are in shape adaptation with the driving shaft and the motor shaft, a part of the inner wall of the semicircular groove is attached to the outer wall of the driving shaft, and another part is attached to the outer wall of the motor shaft, and the upper pressing plates and the lower pressing plates are connected through bolts.
[0011] As a preferred technical scheme of the utility model, two bearing seats in rotational cooperation with the driven shaft are symmetrically arranged on the moving plate, the driven shaft has a third mounting end and a fourth mounting end located on the sides away from the two bearing seats, and the two driven wheels are respectively arranged on the third mounting end and the fourth mounting end.
[0012] As a preferred technical scheme of the utility model, the bearing seat is provided with a second threaded hole at the bottom, the moving plate is provided with a through hole corresponding to the second threaded hole at the bottom, and a fastener is arranged to pass through the through hole and is in threaded connection with the second threaded hole.
[0013] As a preferred technical scheme of the utility model, the moving plate is provided with a roller set at the bottom, and the roller set comprises at least two rollers arranged on the two sides of the bottom of the moving plate.
[0014] A water diamond grinding and polishing machine comprises the shifting fork assembly in the above scheme.
[0015] As described above, the utility model has the advantages that the two-side belt driving mode is adopted, the structure is high in precision, good in stability, long in service life, and has a double insurance function, that is, even if one side belt is disconnected, the shifting fork arm can still normally operate, one end of the driving shaft driven by the power source rotates, the two-side belt driving is simultaneously driven, and the shifting fork arm can easily lift or lower the clamp. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the utility model.
[0017] Figure 2 is a structural schematic view of the utility model without the moving plate;
[0018] Figure 3 is a structural schematic view of another perspective of the utility model;
[0019] Figure 4 is a structural schematic view of the main shaft and the mounting frame cooperation in the utility model;
[0020] Figure 5 is a structural schematic view of the bearing seat and the driven shaft cooperation in the utility model;
[0021] Figure 6 is Figure 4 the enlarged view of part A;
[0022] Figure 7 is a structural schematic view of the connecting piece in the utility model.
[0023] Reference signs: 1, moving plate;2, fork arm;3, fork drive assembly;4, main shaft;5, driven shaft;6, driving wheel;7, driven wheel;8, belt;9, mounting frame;10, first mounting end;11, second mounting end;12, bottom plate;13, mounting portion;14, long circular hole;15, fixed portion;16, mounting area;17, connecting piece;18, upper pressing plate;19, lower pressing plate;20, semicircular groove;21, bearing seat;22, third mounting end;23, fourth mounting end;24, roller;25, first threaded hole;26, second threaded hole;27, power source. DETAILED DESCRIPTION
[0024] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the following further describes the utility model in combination with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the utility model, and are not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0025] The specific embodiments of the utility model are described below in combination with the drawings.
[0026] As Figures 1-7The shown one kind is a fork assembly and a water diamond grinding and polishing machine, including moving plate 1, rotatingly arranged in moving plate 1 fork arm 2 and drive fork arm 2 relative moving plate 1 reciprocating swing realizes the clamp lifting and lowering of fork drive assembly 3, fork drive assembly 3 includes driving shaft 4, driven shaft 5 and the power source 27 of driving driving shaft 4 forward and reverse, fork arm 2 is rotationally connected with moving plate 1 through driven shaft 5, driving shaft 4 is parallel to driven shaft 5 and is spaced apart, the both ends of driving shaft 4 are provided with driving wheel 6, the both ends of driven shaft 5 are provided with driven wheel 7, two driving wheels 6 are respectively connected with the driven wheel 7 of each side through the transmission of belt 8, the outer peripheral wall of driving wheel 6 and driven wheel 7 in the embodiment is uniformly distributed with anti-skid groove, the inner side of belt 8 is uniformly distributed with anti-skid bump matched with anti-skid groove along the direction of rotating path, to avoid the slipping phenomenon between belt 8 and driving wheel 6, driven wheel 7.
[0027] The structure precision is high, the stability is good, the life is longer, and has double insurance function, even if one side belt 8 is disconnected, fork arm 2 can still normally operate, the one end of driving shaft 4 is rotated by power source 27, can simultaneously drive the transmission of both sides belt 8, so that fork arm 2 can easily lift or put down the clamp.
[0028] The moving plate 1 is provided with detachable mounting frame 9, the driving shaft 4 is rotationally connected to the mounting frame 9, and the driving shaft 4 has a first mounting end 10 and a second mounting end 11 located on both sides of the mounting frame 9, the two driving wheels 6 are installed on the first mounting end 10 and the second mounting end 11, respectively, and there is a space for installation on the outside, which facilitates the subsequent installation and removal of the belt 8, and the mounting end in the embodiment represents the part located at both ends.
[0029] The mounting frame 9 includes a bottom plate 12, mounting portions 13 disposed on both sides of the bottom plate 12, and mounting holes are formed in each mounting portion 13, and bearings are embedded in the mounting holes, the driving shaft 4 is rotationally engaged with the bearings on the two mounting portions 13, and the first mounting end 10 and the second mounting end 11 of the driving shaft 4 are located on the sides away from each other of the two mounting portions 13.
[0030] Long circular holes 14 are formed on both sides of the bottom plate 12, the moving plate 1 is provided with first threaded holes 25 corresponding to the long circular holes 14 on both sides, and bolts are provided in the long circular holes 14 and are threadedly connected with the first threaded holes 25, adjusting the front and back relative positions of the long circular holes 14 and the first threaded holes 25 can change the distance between the driving shaft 4 and the driven shaft 5, if the belt 8 is loose, the front and back positions of the long circular holes 14 can be adjusted to achieve tension adjustment.
[0031] The bottom plate 12 is further provided with a fixing part 15 on one side of the first mounting end 10 or the second mounting end 11, and there is a mounting area 16 between the fixing part 15 and the corresponding mounting part 13. The power source 27 is a reduction motor, which is installed outside the fixing part 15, and the motor shaft of the reduction motor extends to the inside of the fixing part 15 and is connected to the first mounting end 10 or the second mounting end 11 through a connecting piece 17.
[0032] The connecting piece 17 includes oppositely arranged upper and lower pressing plates 18 and 19, and the proximal side of each of the upper and lower pressing plates 18 and 19 is provided with a semicircular groove 20 matched with the shape of the driving shaft 4 and the motor shaft. One part of the inner wall of the semicircular groove 20 is in contact with the outer wall of the driving shaft 4, and the other part is in contact with the outer wall of the motor shaft. The upper and lower pressing plates 18 and 19 are connected by bolts.
[0033] The moving plate 1 is symmetrically provided with two bearing seats 21 matched with the driven shaft 5. The driven shaft 5 has a third mounting end 22 and a fourth mounting end 23 on the side away from the two bearing seats 21. The two driven wheels 7 are respectively installed on the third mounting end 22 and the fourth mounting end 23.
[0034] Working principle: the left side belt 8 is directly removed from the third mounting end 22 and the first mounting end 10. Before the right side belt 8 is disassembled, the connecting piece 17 in the mounting area 16 needs to be removed. The specific method is to remove the bolts between the upper and lower pressing plates 18 and 19, so that the right side belt 8 can be removed from the second mounting end 11 and the fourth mounting end 23. The disassembly is more convenient. The mounting rack 9 in the application is integrally arranged, which can ensure that the driving wheels 6 at both ends of the driving shaft 4 are coaxially arranged. In addition, a part of the parts can be assembled in the mounting rack 9 in advance, which improves the subsequent assembly efficiency. The left side and the right side in the embodiment are relative, not absolute, and vice versa.
[0035] The bottom of the bearing seat 21 is provided with a second threaded hole 26, and the bottom of the moving plate 1 is provided with a through hole corresponding to the second threaded hole 26 and a fastener threaded through the through hole and connected with the second threaded hole 26. The fastener in the embodiment is a bolt or a screw.
[0036] The bottom of the moving plate 1 is provided with a roller set, which includes at least two rollers 24 located on both sides of the bottom of the moving plate 1.
[0037] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application. These changes and improvements all fall within the scope of the claimed present application, and the scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A fork assembly, comprising a moving plate (1), a fork arm (2) rotatably arranged on the moving plate (1), and a fork driving assembly (3) for driving the fork arm (2) to reciprocating swing relative to the moving plate (1) to realize the lifting of a clamp, characterized in that: The shift fork drive assembly (3) comprises a driving shaft (4), a driven shaft (5) and a power source (27) for driving the driving shaft (4) to rotate in both directions, the shift fork arm (2) is rotatably connected with the moving plate (1) through the driven shaft (5), the driving shaft (4) is parallel to the driven shaft (5) and is spaced apart from the driven shaft (5), the driving shaft (4) is provided with driving wheels (6) at both ends, and the driven shaft (5) is provided with driven wheels (7) at both ends.
2. The fork assembly of claim 1, wherein: The moving plate (1) is provided with a detachable mounting bracket (9), the driving shaft (4) is rotatably connected with the mounting bracket (9), and the driving shaft (4) has a first mounting end (10) and a second mounting end (11) located on both sides of the mounting bracket (9), and the two driving wheels (6) are mounted on the first mounting end (10) and the second mounting end (11) respectively.
3. The fork assembly of claim 2, wherein: The mounting bracket (9) comprises a bottom plate (12) and mounting portions (13) arranged on both sides of the bottom plate (12), each mounting portion (13) is provided with a mounting hole, and a bearing is embedded in the mounting hole, the driving shaft (4) is rotatably connected with the bearings on the two mounting portions (13), and the first mounting end (10) and the second mounting end (11) of the driving shaft (4) are located on the sides away from each other of the two mounting portions (13).
4. The fork assembly of claim 3, wherein: Long circular holes (14) are formed on both sides of the bottom plate (12), the moving plate (1) is provided with first threaded holes (25) corresponding to the long circular holes (14) on both sides, bolts are arranged in the long circular holes (14) and are in threaded connection with the first threaded holes (25), and the spacing between the driving shaft (4) and the driven shaft (5) can be changed by adjusting the relative positions of the long circular holes (14) and the first threaded holes (25).
5. The fork assembly of claim 3, wherein: The bottom plate (12) is further provided with a fixing portion (15) located on one side of the first mounting end (10) or the second mounting end (11), there is a mounting area (16) between the fixing portion (15) and the corresponding mounting portion (13), the power source (27) is a speed reducer, the speed reducer is mounted outside the fixing portion (15), and a motor shaft of the speed reducer extends to the inside of the fixing portion (15) and is connected with the first mounting end (10) or the second mounting end (11) through a connecting piece (17).
6. The fork assembly of claim 5, wherein: The connecting piece (17) comprises oppositely arranged upper pressing plates (18) and lower pressing plates (19), the upper pressing plates (18) and the lower pressing plates (19) are respectively provided with semicircular grooves (20) on the sides close to each other and matched with the shapes of the driving shaft (4) and the motor shaft, a part of the inner wall of the semicircular groove (20) is attached to the outer wall of the driving shaft (4), and another part is attached to the outer wall of the motor shaft, and the upper pressing plates (18) and the lower pressing plates (19) are connected through bolts.
7. A fork assembly according to claim 2 or 3 or 4 or 5 wherein: The moving plate (1) is provided with two bearing seats (21) rotatably connected with the driven shaft (5), the driven shaft (5) has a third mounting end (22) and a fourth mounting end (23) located on the sides away from each other of the two bearing seats (21), and the two driven wheels (7) are mounted on the third mounting end (22) and the fourth mounting end (23) respectively.
8. The fork assembly of claim 7, wherein: The bottom of the bearing seat (21) is provided with a second threaded hole (26), and the bottom of the moving plate (1) is provided with a through hole corresponding to the second threaded hole (26), and a fastener is screwed through the through hole and the second threaded hole (26).
9. The fork assembly of claim 1, wherein: The bottom of the moving plate (1) is provided with a roller set, and the roller set comprises at least two rollers (24) located on both sides of the bottom of the moving plate (1).
10. A machine for grinding and polishing a water drop, characterized in that: A shift assembly comprising the shift fork assembly of any one of claims 1-9.