Rack machining and clamping device for transmission device

Abstract

The invention relates to the technical field of rack machining, in particular to a rack machining clamping device for a transmission device, which comprises a clamp base, two moving seats are slidably assembled on the clamp base, fixing frames are fixed at two ends of the clamp base, rotating shafts are rotatably mounted on the two fixing frames, and the rotating shafts are rotatably mounted on the two moving seats. Rotating frames are fixed at the bottom ends of the two rotating shafts; wherein the two rotating frames are each provided with a clamping unit, each clamping unit comprises a first clamping assembly and a second clamping assembly, and the first clamping assemblies and the second clamping assemblies are arranged at the two ends of the rotating frames correspondingly. The universality and flexibility of the clamp are enhanced, it can be guaranteed that part of the pressing plates are located below the rack blank machining face all the time in the clamping process, interference between a machining tool and the clamp is effectively avoided, and it is guaranteed that rack machining is conducted smoothly.

Description

Technical Field

[0001] The present invention relates to the technical field of rack processing, and specifically, to a clamping device for rack processing of a transmission device. Background Art

[0002] A clamping device for rack processing of a transmission device is a device used to achieve clamping and fixation during the rack processing. The main function of this device is to ensure that the rack is stably fixed at the processing position during rack processing, so as to improve the processing accuracy and efficiency.

[0003] After retrieval, a Chinese patent with the publication number CN105904038A discloses a precision rack grinding fixture, which includes a base, a movable clamping seat, a guide post, a threaded post, a pressing screw and a runner. The guide post is vertically fixed on the base, the movable clamping seat is slidably sleeved on the guide post, the threaded post is arranged parallel to the guide post, and the top end of the threaded post is installed on the guide post through a bearing, and the bottom end is installed on the base through a bearing. A rack installation groove is formed on one side of the movable clamping seat, and the other side is threadedly connected with the threaded post. A plurality of pressing screws are arranged on the movable clamping seat, and the bottom ends of the pressing screws vertically extend into the rack installation groove. The runner and the threaded post form a worm and worm gear mechanism. The fixture used in the above solution to process the rack can make the rack accuracy reach level 5, and the rack processing accuracy is high. The fixture is reasonably designed, simple and compact in structure, easy to operate, and has a wide range of applications, which is conducive to popularization and use. However, when the above solution is actually used, there are still the following deficiencies: In the above solution, the clamping surface of the movable clamping seat for clamping the rack is a flat surface. This design limits the applicability to the rack blank, and can only clamp the rack blank with a rectangular cross-section, and cannot adapt to the columnar rack blank with a circular cross-section, lacking versatility. It is necessary to replace the fixture to meet the production requirements. In addition, the size of the movable clamping seat is fixed. When clamping a rack blank with a thickness less than the size of the movable clamping seat, the processing surface of the rack blank will be lower than the top end of the movable clamping seat after clamping, resulting in the cutting tool being unable to touch the clamping position of the fixture on the rack blank, thereby affecting the normal progress of the processing operation.

[0004] Based on this, the present invention discloses a clamping device for rack processing of a transmission device. Summary of the Invention

[0005] The present invention provides a clamping device for rack processing of a transmission device, which includes a fixture base. Two moving seats are slidably assembled on the fixture base. Fixed frames are fixed at both ends of the fixture base. Rotating shafts are rotatably installed on the two fixed frames. Rotating frames are fixed at the bottom ends of the two rotating shafts; Among them, clamping units are arranged on both of the two rotating frames. Each clamping unit includes a first clamping component and a second clamping component. The first clamping component and the second clamping component are respectively arranged at two ends of the rotating frame; Among them, a first positioning component is arranged on the fixed frame for positioning the rotating frame; Among them, two pushing units are arranged on the fixture base. Each pushing unit includes a sliding component and a pushing component. The sliding component includes a moving frame, and the pushing component includes a moving column. The moving column is arranged on the moving frame, and the moving frame and the moving column are connected by a second positioning component; As a further improvement of this technical solution, the first positioning component includes a first positioning plate, a guide bushing and a first positioning rod. The first positioning plate is fixedly sleeved on the rotating shaft, and the first positioning plate and the rotating shaft are coaxially arranged. Two oppositely arranged first positioning grooves are formed on the outer peripheral surface of the first positioning plate. The guide bushing is fixed on the top surface of the fixed frame. The first positioning rod is slidably arranged on the guide bushing. One end of the first positioning rod extends into one of the first positioning grooves, and a grip is fixed at the other end of the first positioning rod. A first spring is connected between the grip and the guide bushing.

[0006] As a further improvement of this technical solution, the sliding component further includes two fixed seats, two guide rods and a sliding seat. The two fixed seats are both fixed on the side surface of the fixture base. The two guide rods are both fixed between the two fixed seats. The sliding seat is slidably assembled on the two guide rods. A second spring is connected between the sliding seat and one of the fixed seats. The moving frame is fixed on the top surface of the sliding seat.

[0007] As a further improvement of this technical solution, the pushing component further includes a plurality of push rods. The plurality of push rods are all fixed on the side surface of the moving column. The cross section of the moving column is in a rectangular structure. The moving column has four side surfaces, and the plurality of push rods are distributed on the four side surfaces of the moving column.

[0008] As a further improvement of this technical solution, the second positioning component includes an outer cylinder, an inner rod, a sleeve plate, a second positioning plate and four second positioning rods. The outer cylinder is fixed on the moving frame. The inner rod is slidably arranged in the outer cylinder. The top end of the inner rod extends to the outside of the outer cylinder and is fixedly connected to the bottom end of the moving column. The sleeve plate is fixedly sleeved on one end of the inner rod located outside the outer cylinder. The four second positioning rods are all fixed on the bottom surface of the sleeve plate, and the four second positioning rods are circumferentially arranged around the inner rod. The second positioning plate is fixed on the moving frame. Four second positioning grooves are formed on the top surface of the second positioning plate. The four second positioning rods are respectively inserted into the four second positioning grooves. A third spring is connected between the outer cylinder and the inner rod.

[0009] As a further improvement of the technical solution, the first clamping assembly includes an assembly seat, a plurality of through ports and a plurality of pressing plates. The assembly seat is fixed at the end of the rotating frame. A plurality of the through ports are all opened on the assembly seat. A plurality of the pressing plates are respectively slidably arranged in the plurality of through ports. A plurality of limiting ports are opened on the side surface of the assembly seat. The plurality of limiting ports are respectively communicated with the plurality of through ports. A limiting block is fixed on the side surface of each pressing plate. The plurality of limiting blocks are respectively slid in the plurality of limiting ports. Each limiting block is connected to the side surface of the assembly seat through a tension spring.

[0010] As a further improvement of the technical solution, the second clamping assembly includes a mounting frame, a lead screw and two pressing blocks. The mounting frame is arranged at one end of the rotating frame far away from the assembly seat, and the mounting frame is connected to the rotating frame through two connecting pieces. The lead screw is rotatably mounted on the mounting frame. The two pressing blocks are both threadedly sleeved on the lead screw. An inclined surface is provided on each pressing block. A sliding port is opened on the mounting frame. Sliders are fixed on the side surfaces of the two pressing plates. The two sliders are respectively slid in the sliding port.

[0011] As a further improvement of the technical solution, the connecting piece includes a connecting cylinder and a connecting rod. The connecting cylinder is fixed on the side surface of the rotating frame. The connecting rod is slidably arranged in the connecting cylinder. One end of the connecting rod extends to the outside of the connecting cylinder and is fixedly connected to the mounting frame. The connecting cylinder and the connecting rod are connected through a fourth spring.

[0012] As a further improvement of the technical solution, a knob is fixed at the top end of the moving column.

[0013] As a further improvement of the technical solution, the side surface of each pressing plate is mutually attached to the inner surface of the through port.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. By adjusting the angle of the moving column, the staff can flexibly control the number of pressing plates for pressing the rack blank. When the side surface 14a faces the assembly seat, all the pressing plates move synchronously to achieve the maximum clamping area. As the moving column rotates to make the side surfaces 14b, 14c, and 14d face the assembly seat, the number of pressing plates decreases in turn, and the clamping area shrinks accordingly, so as to adapt to rack blanks of different sizes. This design not only enhances the versatility and flexibility of the fixture, but also ensures that during the clamping process, some pressing plates are always below the processing surface of the rack blank, effectively avoiding the interference between the processing tool and the fixture and ensuring the smooth progress of rack processing; 2. When the two second clamping components are arranged opposite to each other, the moving seat is moved to push the two mounting brackets closer to each other. The four pressing blocks jointly clamp the columnar rack blank by means of the inclined surfaces provided on each of them, achieving stable clamping. This design not only enhances the clamping ability of the fixture for the columnar rack blank but also broadens the applicable range of the fixture, enabling it to clamp not only the rack blank with a rectangular cross-section but also effectively clamp the rack blank with a circular cross-section, greatly improving the versatility and flexibility of the fixture and meeting the processing requirements of rack blanks with different shapes. 3. The staff member pulls up the moving column, causing the inner rod to drive the sleeve plate and the four second positioning rods to move upward and disengage from the second positioning grooves, thus releasing the positioning constraint and enabling the free rotation of the moving column. Every time it rotates 90°, the second positioning rod aligns with the second positioning groove. After releasing, the moving column resets under the action of the third spring, and the second positioning rod re-inserts into the positioning groove, accurately fixing the angle of the moving column. This design is not only simple to operate but also accurate and reliable in positioning, effectively ensuring the position stability of the moving column after adjustment, and further enhancing the flexibility and accuracy of the entire rack clamping device when clamping rack blanks of different sizes. 4. The staff member only needs to pull the grip to disengage the first positioning rod from the positioning groove, and then can freely rotate the rotating shaft and the rotating frame. When the rotating frame flips 180°, release the grip, and the first positioning rod automatically resets under the action of the first spring and inserts into the positioning groove, thereby accurately fixing the positions of the rotating frame and the first clamping component. This design is not only simple to operate and accurate in positioning but also significantly improves the adjustment efficiency, enabling the staff to quickly adapt to different processing requirements and enhancing the flexibility and practicality of the entire rack clamping device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the schematic diagram of the overall structure of the present invention Figure 1 ; Figure 2 is the schematic diagram of the structure of the fixed frame, the rotating frame and the first positioning component; Figure 3 is Figure 2 the enlarged view of the structure at A of Figure 4 is the schematic diagram of the overall structure of the present invention Figure 2 ; Figure 5 is Figure 4 the enlarged view of the structure at B of Figure 6 is the three-dimensional schematic diagram of the pushing component; Figure 7 is the schematic diagram of the structure of the moving frame, the pushing component and the second positioning component; Figure 8 is the schematic diagram of the structure of the first clamping component; Figure 9It is a schematic structural diagram of the second clamping assembly; Figure 10 It is a schematic cross-sectional structural diagram of the second clamping assembly; Figure 11 It is Figure 10 an enlarged view of the structure at C of Figure 12 It is a schematic structural diagram when two first clamping assemblies clamp the rack blank; Figure 13 It is a schematic structural diagram when two second clamping assemblies face each other; Figure 14 It is a schematic structural diagram when two second clamping assemblies clamp the rack blank; Figure 15 It is a schematic plan view of the moving column and several push rods.

[0016] The meanings of each label in the figure are as follows: 101, fixture base; 102, moving seat; 103, fixing frame; 104, rotating shaft; 105, rotating frame; 21, first positioning plate; 22, first positioning groove; 23, guiding bushing; 24, first positioning rod; 25, grip; 26, first spring; 31, fixing seat; 32, guiding rod; 33, sliding seat; 34, second spring; 35, moving frame; 41, moving column; 42, push rod; 43, outer cylinder; 44, inner rod; 45, third spring; 46, sleeve plate; 47, second positioning plate; 48, second positioning groove; 49, second positioning rod; 51, assembly seat; 52, through port; 53, pressing plate; 54, limiting port; 55, limiting block; 56, tension spring; 61, mounting frame; 62, lead screw; 63, pressing block; 64, sliding port; 65, slider; 66, connecting cylinder; 67, connecting rod; 68, fourth spring. Specific embodiments

[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0018] The present invention provides a rack processing clamping device for a transmission device. Refer to Figures 1 - 15As shown, it includes a fixture base 101, on which two moving seats 102 are slidably assembled. The connection manner between the two moving seats 102 and the fixture base 101 is prior art and not shown in the figure, nor will it be elaborated here. Fixed frames 103 are fixed at both ends of the fixture base 101, and rotating shafts 104 are rotatably installed on the two fixed frames 103. Rotating frames 105 are fixed at the bottom ends of the two rotating shafts 104; See Figure 4 As shown, clamping units are arranged on the two rotating frames 105. Each clamping unit includes a first clamping component and a second clamping component. The first clamping component and the second clamping component are respectively arranged at both ends of the rotating frame 105. The rack clamping device proposed by the present invention has two working states, which are respectively used to clamp a rack blank with a rectangular cross-section and a rack blank with a circular cross-section. In the first working state, the two first clamping components face each other, and the rack blank with a rectangular cross-section is clamped by the two first clamping components. In the second working state, the two second clamping components face each other, and the rack blank with a circular cross-section is clamped by the two second clamping components. Through this design, the versatility of the rack clamping device is improved, providing convenience for the processing of racks; See Figure 6 、 Figure 7 and Figure 15 As shown in, two pushing units are arranged on the fixture base 101. Each pushing unit includes a sliding component and a pushing component. The sliding component includes a moving frame 35, and the pushing component includes a moving column 41. A knob is fixed at the top end of the moving column 41. The moving column 41 is arranged on the moving frame 35. The sliding component further includes two fixed seats 31, two guide rods 32 and a sliding seat 33. The two fixed seats 31 are both fixed on the side surface of the fixture base 101. The two guide rods 32 are both fixed between the two fixed seats 31. The sliding seat 33 is slidably assembled on the two guide rods 32. The sliding seat 33 is connected to one of the fixed seats 31 through a second spring 34. The moving frame 35 is fixed on the top surface of the sliding seat 33. The pushing component further includes a plurality of push rods 42. The plurality of push rods 42 are all fixed on the side surface of the moving column 41. The cross-section of the moving column 41 is in a rectangular structure. The moving column 41 has four side surfaces, and the plurality of push rods 42 are distributed on the four side surfaces of the moving column 41; See Figure 8As shown in the figure, the first clamping assembly includes an assembly base 51, a plurality of through ports 52 and a plurality of pressing plates 53. The assembly base 51 is fixed at the end of the rotating frame 105. A plurality of through ports 52 are all formed in the assembly base 51. A plurality of pressing plates 53 are respectively slidably disposed in the plurality of through ports 52. The side surface of each pressing plate 53 is in mutual contact with the inner surface of the through port 52. A plurality of limiting ports 54 are formed in the side surface of the assembly base 51. The plurality of limiting ports 54 are respectively communicated with the plurality of through ports 52. A limiting block 55 is fixed on the side surface of each pressing plate 53. The plurality of limiting blocks 55 are respectively slid in the plurality of limiting ports 54. Each limiting block 55 is connected to the side surface of the assembly base 51 through a tension spring 56; Since the whole rack clamping device is of a symmetrical structure and the specific structures at its left and right ends are exactly the same, therefore, only the working principle of any one end of the rack clamping device will be described here. Before explaining the clamping process in the first working state, it is necessary to explain the pushing assembly first, as Figure 6 、 Figure 7 and Figure 15As shown, the cross-section of the moving column 41 has a rectangular structure with four sides, named side 14a, side 14b, side 14c, and side 14d respectively. The number of push rods 42 on side 14a is the same as the number of pressing plates 53, defined as N. On this basis, the number of push rods 42 on side 14b is N - 1, the number of push rods 42 on side 14c is N - 2, and the number of push rods 42 on side 14d is N - 3. When side 14a faces the assembly seat 51, several push rods 42 on side 14a are respectively arranged opposite to several pressing plates 53. In this state, when the moving column 41 moves, several push rods 42 on side 14a can respectively push the opposite pressing plates 53, causing several pressing plates 53 to move synchronously. When side 14b faces the assembly seat 51, since the number of push rods 42 on side 14b is N - 1, the topmost pressing plate 53 will not be pushed by the push rod 42. In this state, when the moving column 41 moves, several push rods 42 on side 14b can respectively push the opposite pressing plates 53. Except for the topmost pressing plate 53, the remaining pressing plates 53 can move synchronously. And so on, when side 14c faces the assembly seat 51, several push rods 42 on side 14c can respectively push the opposite pressing plates 53. Except for the top two pressing plates 53, the remaining pressing plates 53 can move synchronously. Similarly, when side 14d faces the assembly seat 51, several push rods 42 on side 14d can respectively push the opposite pressing plates 53. Except for the top three pressing plates 53, the remaining pressing plates 53 can move synchronously. Based on the above process, the staff can control the number of pressing plates 53 for pressing the rack blank by adjusting the angle of the moving column 41. The more the number of pressing plates 53 that move, the larger the clamping area of the two first clamping components. As the number of moving pressing plates 53 decreases, the clamping area of the two first clamping components gradually decreases. This enables the two first clamping components to clamp rack blanks of different sizes, and the clamped part is always below the processing surface of the rack blank, ensuring the smooth progress of rack processing; As Figure 12 shown Figure 12The state diagram when two first clamping components clamp the rack blank is shown. In this process, the moving seat 102 pushes the push rod 42 facing the moving seat 102, causing the moving column 41 to move. When the moving column 41 moves, the push rod 42 facing the assembly seat 51 can push the corresponding pressing plate 53. The pushed pressing plate 53 can extend out from the through port 52 and press on the rack blank, realizing the clamping and fixing of the rack blank. During the movement of the pressing plate 53, the limiting port 54 and the limiting block 55 provide limits for the movement of the pressing plate 53 to ensure the stability of the movement of the pressing plate 53. The tension spring 56 arranged between the limiting block 55 and the assembly seat 51 is used for the automatic reset of the pressing plate 53. During the movement of the moving column 41, the two guide rods 32, the sliding seat 33 and the moving frame 35 provide limits for the movement of the moving column 41 to ensure the stability during the movement of the moving column 41. The second spring 34 arranged on the side of the sliding seat 33 is used for the automatic reset of the moving column 41; See Figures 9 - 11 As shown, the second clamping component includes a mounting frame 61, a lead screw 62 and two pressing blocks 63. The mounting frame 61 is arranged at one end of the rotating frame 105 away from the assembly seat 51, and the mounting frame 61 is connected to the rotating frame 105 through two connecting parts. The lead screw 62 is rotatably mounted on the mounting frame 61, and both pressing blocks 63 are threadedly sleeved on the lead screw 62. Each pressing block 63 is provided with an inclined surface. A sliding port 64 is opened on the mounting frame 61. Sliders 65 are fixed on the sides of the two pressing plates 53, and both sliders 65 slide in the sliding port 64. The connecting parts include a connecting cylinder 66 and a connecting rod 67. The connecting cylinder 66 is fixed on the side of the rotating frame 105, the connecting rod 67 is slidably arranged in the connecting cylinder 66, one end of the connecting rod 67 extends to the outside of the connecting cylinder 66 and is fixed to the mounting frame 61, and the connecting cylinder 66 and the connecting rod 67 are connected by a fourth spring 68; See Figures 6 - 7 As shown, a first positioning component is arranged on the fixed frame 103 for positioning the rotating frame 105. The first positioning component includes a first positioning plate 21, a guide bushing 23 and a first positioning rod 24. The first positioning plate 21 is fixedly sleeved on the rotating shaft 104, and the first positioning plate 21 and the rotating shaft 104 are coaxially arranged. Two oppositely arranged first positioning grooves 22 are opened on the outer peripheral surface of the first positioning plate 21. The guide bushing 23 is fixed on the top surface of the fixed frame 103. The first positioning rod 24 is slidably arranged on the guide bushing 23. One end of the first positioning rod 24 extends into one of the first positioning grooves 22, and a handle 25 is fixed at the other end of the first positioning rod 24. A first spring 26 is connected between the handle 25 and the guide bushing 23; When adjusting the positions of the first clamping assembly and the second clamping assembly, the staff can adjust the angle of the rotating frame 105 to turn the rotating frame 105 by 180°. Specifically, the staff first pulls the grip 25 to drive the first positioning rod 24 to move until the first positioning rod 24 disengages from the corresponding first positioning groove 22. Without the positioning of the first positioning rod 24, the rotating shaft 104 can rotate freely. At this time, the staff rotates the handwheel on the rotating shaft 104 to rotate the rotating shaft 104. When the rotating shaft 104 rotates, the rotating frame 105 rotates accordingly. When the rotating frame 105 rotates 180°, another first positioning groove 22 just rotates to a position facing the first positioning rod 24. At this time, the staff releases the grip 25 to make the first positioning rod 24 reset under the elastic force of the first spring 26 until the first positioning rod 24 is inserted into the first positioning groove 22 again. At this time, the first positioning rod 24 provides positioning for the position of the first positioning plate 21. When the first positioning plate 21 is fixed, the positions of the rotating shaft 104 and the rotating frame 105 are also fixed. Through this design, the staff can quickly adjust the positions of the first clamping assembly and the second clamping assembly; See Figures 2 - 3 As shown, the moving frame 35 and the moving column 41 are connected by a second positioning assembly. The second positioning assembly includes an outer cylinder 43, an inner rod 44, a sleeve plate 46, a second positioning plate 47 and four second positioning rods 49. The outer cylinder 43 is fixed on the moving frame 35. The inner rod 44 is slidably arranged in the outer cylinder 43. The top end of the inner rod 44 extends to the outside of the outer cylinder 43 and is fixedly connected to the bottom end of the moving column 41. The sleeve plate 46 is fixedly sleeved on one end of the inner rod 44 located outside the outer cylinder 43. The four second positioning rods 49 are all fixed on the bottom surface of the sleeve plate 46, and the four second positioning rods 49 are circumferentially arranged around the inner rod 44. The second positioning plate 47 is fixed on the moving frame 35. Four second positioning grooves 48 are formed on the top surface of the second positioning plate 47. The four second positioning rods 49 are respectively inserted into the four second positioning grooves 48. The outer cylinder 43 and the inner rod 44 are connected by a third spring 45; For the second working state, the two second clamping assemblies are arranged facing each other. Specifically, the two mounting brackets 61 are in a state of facing each other. When the two moving seats 102 move, the two moving seats 102 can push the two mounting brackets 61 to move, so that the two mounting brackets 61 approach each other. When the two mounting brackets 61 approach each other, the four pressing blocks 63 jointly press the columnar rack blank, as Figure 14As shown, each rack is provided with an inclined surface, and the inclined surfaces of the four racks jointly clamp the columnar rack blank. The columnar rack blank can be firmly clamped. In summary, this rack clamping device can not only clamp the rack blank with a rectangular cross-section, but also clamp the rack blank with a circular cross-section. For the mounting bracket 61, the distance between the two pressing blocks 63 thereon can be specifically adjusted, so that the four pressing blocks 63 can clamp columnar rack blanks of different sizes, thereby expanding the application range of the fixture. The adjustment method of the pressing block 63 can be realized by rotating the screw rod 62. This is the prior art and will not be elaborated here; When adjusting the angle of the moving column 41, the staff first pulls up the moving column 41, so that the moving column 41 and the inner rod 44 move upward. When the inner rod 44 moves upward, the sleeve plate 46 and the four second positioning rods 49 move upward accordingly until the four second positioning rods 49 are disengaged from the four second positioning grooves 48 respectively. Without the positioning effect of the second positioning rods 49 and the second positioning grooves 48, the moving column 41 can rotate freely. Whenever the moving column 41 rotates 90°, the four second positioning rods 49 just rotate to the positions facing the four second positioning grooves 48. After adjusting the angle of the moving column 41, the staff releases the moving column 41, and the moving column 41 moves downward and resets under the elastic force of the third spring 45 until the four second positioning rods 49 are inserted into the four second positioning grooves 48 again. At this time, the four second positioning rods 49 and the four second positioning grooves 48 provide positioning for the angle of the moving column 41 to ensure the position stability of the moving column 41.

[0019] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0020] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rack processing clamping device for a transmission device, characterized in that: The clamp base (101) comprises two movable seats (102) slidably mounted on the clamp base (101), fixed frames (103) are fixed at both ends of the clamp base (101), rotating shafts (104) are rotatably mounted on the two fixed frames (103), and rotating frames (105) are fixed at the bottom ends of the two rotating shafts (104); Wherein, the two rotating frames (105) are each provided with a clamping unit, each of the clamping units comprises a first clamping component and a second clamping component, and the first clamping component and the second clamping component are respectively arranged at two ends of the rotating frame (105); Wherein, a first positioning component is provided on the fixed frame (103) for providing positioning for the rotating frame (105); Wherein, two pushing units are arranged on the clamp base (101), each of the pushing units comprises a sliding component and a pushing component, the sliding component comprises a moving frame (35), the pushing component comprises a moving column (41), the moving column (41) is arranged on the moving frame (35), and the moving frame (35) and the moving column (41) are connected via a second positioning component.

2. The rack processing and clamping device for a transmission device according to claim 1, characterized in that: The first positioning assembly comprises a first positioning plate (21), a guide bushing (23) and a first positioning rod (24); the first positioning plate (21) is fixedly sleeved on the rotating shaft (104), and the first positioning plate (21) and the rotating shaft (104) are coaxially arranged; the outer peripheral surface of the first positioning plate (21) is provided with two first positioning grooves (22) arranged opposite to each other; the guide bushing (23) is fixed on the top surface of the fixing frame (103); the first positioning rod (24) is slidably arranged on the guide bushing (23); one end of the first positioning rod (24) extends into one of the first positioning grooves (22); a handle (25) is fixed to the other end of the first positioning rod (24); the handle (25) and the guide bushing (23) are connected via a first spring (26).

3. The rack processing and clamping device for a transmission device according to claim 2, characterized in that: The sliding assembly further comprises two fixed seats (31), two guide rods (32) and a sliding seat (33); the two fixed seats (31) are fixed to the side surfaces of the clamp base (101); the two guide rods (32) are fixed between the two fixed seats (31); the sliding seat (33) is slidably assembled on the two guide rods (32); the sliding seat (33) is connected to one of the fixed seats (31) via a second spring (34); and the moving frame (35) is fixed to the top surface of the sliding seat (33).

4. The rack processing and clamping device for a transmission device according to claim 3, characterized in that: The pushing assembly further comprises a plurality of push rods (42), wherein the plurality of push rods (42) are fixed to the side surfaces of the moving column (41), the cross section of the moving column (41) is a rectangular structure, the moving column (41) has four side surfaces, and the plurality of push rods (42) are distributed on the four side surfaces of the moving column (41).

5. The rack processing and clamping device for a transmission device according to claim 4, characterized in that: The second positioning assembly comprises an outer cylinder (43), an inner rod (44), a sleeve plate (46), a second positioning plate (47) and four second positioning rods (49); the outer cylinder (43) is fixed on the movable frame (35); the inner rod (44) is slidably arranged in the outer cylinder (43); the top end of the inner rod (44) extends to the outside of the outer cylinder (43) and is fixedly connected to the bottom end of the movable column (41); the sleeve plate (46) is fixedly sleeved on one end of the inner rod (44) located outside the outer cylinder (43); The four second positioning rods (49) are all fixed on the bottom surface of the sleeve plate (46), and the four second positioning rods (49) are distributed in a circumferential array around the inner rod (44). The second positioning plate (47) is fixed on the movable frame (35). The top surface of the second positioning plate (47) is provided with four second positioning grooves (48). The four second positioning rods (49) are respectively inserted into the four second positioning grooves (48). The outer cylinder (43) and the inner rod (44) are connected via a third spring (45).

6. The rack processing and clamping device for a transmission device according to claim 5, characterized in that: The first clamping assembly comprises an assembly seat (51), a plurality of through openings (52) and a plurality of clamping plates (53); the assembly seat (51) is fixed at an end position of the rotating frame (105); the plurality of through openings (52) are all opened on the assembly seat (51); the plurality of clamping plates (53) are respectively slidably arranged in the plurality of through openings (52); a plurality of limiting openings (54) are opened on a side surface of the assembly seat (51); the plurality of limiting openings (54) are respectively connected to the plurality of through openings (52); a limiting block (55) is fixed on a side surface of each of the clamping plates (53); the plurality of limiting blocks (55) are respectively slidable in the plurality of limiting openings (54); and each of the limiting blocks (55) is connected to a side surface of the assembly seat (51) via a tension spring (56).

7. The rack processing and clamping device for a transmission device according to claim 6, characterized in that: The second clamping assembly comprises a mounting frame (61), a screw rod (62) and two clamping blocks (63); the mounting frame (61) is arranged at one end of the rotating frame (105) away from the assembly seat (51), and the mounting frame (61) is connected to the rotating frame (105) via two connecting pieces; the screw rod (62) is rotatably mounted on the mounting frame (61); the two clamping blocks (63) are both threadedly sleeved on the screw rod (62); each of the clamping blocks (63) is provided with an inclined surface; a sliding opening (64) is provided on the mounting frame (61); slide blocks (65) are fixed to the side surfaces of the two clamping plates (53); and the two slide blocks (65) slide in the sliding opening (64).

8. The rack processing and clamping device for a transmission device according to claim 7, characterized in that: The connecting member comprises a connecting tube (66) and a connecting rod (67); the connecting tube (66) is fixed to a side surface of the rotating frame (105); the connecting rod (67) is slidably arranged in the connecting tube (66); one end of the connecting rod (67) extends to the outside of the connecting tube (66) and is fixedly connected to the mounting frame (61); the connecting tube (66) and the connecting rod (67) are connected via a fourth spring (68).

9. The rack processing and clamping device for a transmission device according to claim 1, characterized in that: A knob is fixed to the top end of the movable column (41).

10. The rack processing and clamping device for a transmission device according to claim 6, characterized in that: The side surface of each of the pressing plates (53) is in contact with the inner surface of the through opening (52).

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