Cross hole boring clamp for differential machining

Abstract

The invention relates to the technical field of differential machining, and discloses a cross hole boring clamp for differential machining, the cross hole boring clamp comprises a mounting base, a supporting plate is fixedly connected to the top of the mounting base, and a placing table is fixedly connected to the top of the supporting plate. And then the pressing plate is rapidly detached when being pulled outwards, and then the replaced pressing plate is reset into the mounting frame, so that the clamping block of the pressing plate is re-inserted into the groove where the connecting frame is fixed corresponding to the pressing plate at the moment, and in the process, the corresponding pressing plate is rapidly replaced. Therefore, the device can quickly adjust and replace the corresponding pressing plate according to the shape of a differential mechanism machined part, overall disassembly and replacement do not need to be completed, the preparation time needed by disassembly of the device is shortened in the disassembly process, and therefore the replacement of the corresponding pressing plate is quickly completed.

Description

Technical Field

[0001] The invention relates to the technical field of differential machining, in particular to a cross hole boring fixture for differential machining. Background Art

[0002] The differential is a core component of the automotive transmission system. The machining accuracy of the cross-shaft hole in the differential housing directly affects the assembly accuracy and motion performance of the differential. Traditional machining methods (such as drilling machines and boring machines) have problems such as low efficiency and difficulty in ensuring accuracy. The application of high-precision CNC rotary table drilling and boring machines provides a solution for the efficient and high-precision machining of the cross-shaft hole in the differential housing. In this process, a cross-hole boring fixture is required.

[0003] In the existing technology, when the device presses the corresponding differential workpiece, it places the workpiece on the placement table, and then presses and fixes it through the pressure plates on all sides. However, in actual use, due to the different shapes of the differentials and the relatively fixed positions of the pressure plates on both sides, the device cannot quickly adjust and replace the corresponding pressure plates according to the shape of the differential workpiece, and the entire device needs to be disassembled and replaced, which increases the preparation time required for disassembly during the disassembly process, and thus the replacement of the corresponding pressure plates cannot be completed quickly. Therefore, it is necessary to invent a cross-hole boring fixture for differential processing to solve the above problems. Summary of the Invention

[0004] The object of the present invention is to provide a cross hole boring fixture for differential machining to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a cross-hole boring fixture for differential machining, comprising a mounting seat, a support plate fixedly connected to the top of the mounting seat, a placement table fixedly connected to the top of the support plate, a pressing mechanism provided on the top of the placement table, an adjustment and shifting mechanism provided on the outside of the pressing mechanism, and an external support mechanism provided on the inside of the placement table; The adjustment and shifting mechanism includes an adjustment component and a shifting component, and the shifting component is arranged outside the adjustment component; The pressing mechanism includes an electric cylinder 1, which is fixedly connected to the bottom of the support plate, an output end of the electric cylinder 1 is fixedly connected to a limiting ring, a connecting block is fixedly connected to the top of the limiting ring, the outside of the connecting block is fixedly connected to a limiting column 1, the outside of the limiting column 1 is movably connected to an adjustment frame, the inside of the adjustment frame is movably connected to a limiting column 2, the outside of the limiting column 2 is fixedly connected to a pressing frame, and the top of the support plate is fixedly connected to a lifting frame, so as to press the workpiece downward according to the size of the workpiece.

[0006] Preferably, holes are provided at corresponding positions of the lifting frame and the adjusting frame, and the adjusting frame is rotatably connected in the holes, so as to synchronously drive the adjusting frame to rotate.

[0007] Preferably, grooves are provided at corresponding positions of the lifting frame and the pressing frame, and the pressing frame is slidably connected in the grooves, so as to facilitate synchronous pulling of the pressing frame to move downward.

[0008] Preferably, the shift assembly includes a trapezoidal screw, which is rotatably connected to the inside of the pressure frame, the outer thread of the trapezoidal screw is connected to a threaded block, the back of the trapezoidal screw is fixedly connected to a rotating block, the front of the threaded block is fixedly connected to a mounting frame, and the inside of the pressure frame is fixedly connected to a guide column to facilitate parallel adjustment of the pressure plate position.

[0009] Preferably, grooves are provided at positions corresponding to the threaded block and the guide post, and the threaded block is slidably connected to the outside of the guide post to facilitate pushing the threaded block to move.

[0010] Preferably, the adjustment assembly includes a pull plate, which is slidably connected to the inside of the installation frame, a spring is fixedly connected between the pull plate and the installation frame, a connecting rod is fixedly connected to the front of the pull plate, both ends of the connecting rod are rotatably connected to the limiting rod, and the end of the limiting rod away from the connecting rod is rotatably connected to a clamping block, a connecting frame is inserted into the inside of the installation frame, and a pressure plate is fixedly connected to the front of the connecting frame to facilitate the fixing of the pressure plate.

[0011] Preferably, grooves are provided at positions corresponding to the mounting frame and the clamping block, and the clamping block is slidably connected in the groove to prevent the fixed pressing plate from moving.

[0012] Preferably, grooves are provided at corresponding positions of the connection frame and the card block, and the card block is plugged into the groove, so that suitable pressure plates of different shapes can be quickly and conveniently replaced according to needs.

[0013] Preferably, the external support mechanism includes a servo motor, which is fixedly connected to the bottom of the support plate, and the output end of the servo motor is fixedly connected to gear 1, which is rotatably connected to gear 2 inside the placement table, and the inner side of gear 2 is fixedly connected to an adjustment disk, and the inner side of the adjustment disk is movably connected to a sliding column, and the top of the sliding column is fixedly connected to a slider, and the top of the slider is fixedly connected to a support block, and an accordion baffle is fixedly connected between the support block and the placement table to facilitate outward fixing of the workpiece.

[0014] Preferably, a groove is provided at the corresponding position of the placement table and the slider, and the slider is slidably connected in the groove, and the gear one and gear two are engaged with each other, and an arc groove is provided at the corresponding position of the adjustment disk and the sliding column, and the sliding column is movably connected in the arc groove, so as to facilitate the synchronous pushing of the slider to move.

[0015] Compared with the prior art, the present invention provides a cross hole boring fixture for differential machining, which has the following beneficial effects: 1. The cross-hole boring fixture for differential machining, during use, through the provided adjustment and shifting mechanism, when the pressure plate needs to be replaced, the pull plate is manually pulled outward, thereby quickly releasing the fixation between the connecting frame and the mounting frame, and then the pressure plate is quickly removed by pulling it outward, and then the replaced pressure plate is reset into the mounting frame, so that its card block is reinserted, and the pressure plate corresponds to the groove fixed in the connecting frame, so that in this process, the corresponding pressure plate can be quickly replaced, so that the device can quickly adjust and replace the corresponding pressure plate according to the shape of the differential workpiece, and there is no need to complete the overall disassembly and replacement, so that the preparation time required for disassembly is reduced during the disassembly process, thereby quickly completing the replacement of the corresponding pressure plate.

[0016] 2. During use, the cross-hole boring fixture used for differential processing starts the servo motor through the external support mechanism, so that the sliding column is pushed along the arc groove guide during the rotation of the adjustment disk, and then the surrounding support blocks are pushed outward, so that the support blocks support the inner wall of the differential workpiece to complete its initial fixation.

[0017] 3. During use, the cross-hole boring fixture used for differential processing starts the electric cylinder 1 through the set downward pressure mechanism, which in turn drives the limit column 2 downward during the rotation of the adjustment frame, and then drives the pressure frame and the connected pressure plate downward, so that the corresponding pressure plate is pressed tightly against the top of the differential workpiece, thereby completing the locking work of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive work. Figure 1 This is a schematic diagram of the appearance structure of the present invention; Figure 2 It is a schematic diagram of the top view of the structure of the present invention; Figure 3 This is a schematic diagram of the appearance structure of the adjustment shift mechanism of the present invention; Figure 4 This is a schematic diagram of the expanded structure of the adjustment component of the present invention; Figure 5 This is a schematic diagram of the appearance structure of the shifting component of the present invention; Figure 6 This is a schematic diagram of the expanded structure of the pressing mechanism of the present invention; Figure 7This is a schematic diagram of the expanded structure of the external support mechanism of the present invention.

[0019] In the figure: 1. Mounting seat; 2. Support plate; 3. Placing table; 4. Pressing mechanism; 5. Adjusting and shifting mechanism; 6. External supporting mechanism; 51. Adjusting assembly; 52. Shifting assembly; 511. Pull plate; 512. Spring; 513. Connecting rod; 514. Limiting rod; 515. Block; 516. Connecting frame; 517. Pressing plate; 521. Trapezoidal screw; 522. Rotating block; 523. Threaded block; 524. Mounting frame; 525. Guide column; 41. Electric cylinder 1; 42. Limiting ring; 43. Connecting block; 44. Limiting column 1; 45. Adjusting frame; 46. Limiting column 2; 47. Pressing frame; 48. Lifting frame; 61. Servo motor; 62. Gear 1; 63. Gear 2; 64. Adjusting disk; 65. Sliding column; 66. Sliding block; 67. Support block; 68. Organ baffle. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0022] Example 1: See also Figure 1-7 The present invention provides a technical solution: a cross hole boring fixture for differential processing, comprising a mounting base 1, a support plate 2 fixedly connected to the top of the mounting base 1, a placement table 3 fixedly connected to the top of the support plate 2, a pressing mechanism 4 provided on the top of the placement table 3, an adjustment and shifting mechanism 5 provided on the outside of the pressing mechanism 4, and an external support mechanism 6 provided inside the placement table 3; The adjustment and displacement mechanism 5 includes an adjustment component 51 and a displacement component 52 . The displacement component 52 is arranged outside the adjustment component 51 .

[0023] Furthermore, the shift assembly 52 includes a trapezoidal screw 521, which is rotatably connected to the inside of the pressure frame 47, the external thread of the trapezoidal screw 521 is connected to a threaded block 523, the back of the trapezoidal screw 521 is fixedly connected to a rotating block 522, the front of the threaded block 523 is fixedly connected to a mounting frame 524, and the inside of the pressure frame 47 is fixedly connected to a guide column 525 to facilitate parallel adjustment of the position of the pressure plate 517.

[0024] Furthermore, grooves are provided at corresponding positions of the threaded block 523 and the guide post 525 , and the threaded block 523 is slidably connected to the outside of the guide post 525 , so as to facilitate the movement of the threaded block 523 .

[0025] Furthermore, the adjustment component 51 includes a pull plate 511, which is slidably connected to the inside of the installation frame 524. A spring 512 is fixedly connected between the pull plate 511 and the installation frame 524. A connecting rod 513 is fixedly connected to the front of the pull plate 511. Both ends of the connecting rod 513 are rotatably connected to the limiting rod 514. The end of the limiting rod 514 away from the connecting rod 513 is rotatably connected to the blocking block 515. A connecting frame 516 is inserted into the inside of the installation frame 524. A pressure plate 517 is fixedly connected to the front of the connecting frame 516 to facilitate the fixing of the pressure plate 517.

[0026] Furthermore, grooves are provided at positions corresponding to the mounting frame 524 and the clamping block 515 , and the clamping block 515 is slidably connected in the grooves to prevent the fixed pressing plate 517 from moving.

[0027] Furthermore, grooves are provided at corresponding positions of the connection frame 516 and the clamping block 515 , and the clamping block 515 is plugged into the grooves, so that the pressing plate 517 of a suitable shape can be quickly and conveniently replaced according to needs.

[0028] Embodiment 2: See also Figure 6 , and combined with Example 1, it is further obtained that the pressing mechanism 4 includes an electric cylinder 1 41, the electric cylinder 1 41 is fixedly connected to the bottom of the support plate 2, the output end of the electric cylinder 1 41 is fixedly connected to the limit ring 42, the top of the limit ring 42 is fixedly connected to a connecting block 43, the outside of the connecting block 43 is fixedly connected to the limit column 1 44, the outside of the limit column 1 44 is movably connected to an adjusting frame 45, the inside of the adjusting frame 45 is movably connected to the limit column 2 46, the outside of the limit column 2 46 is fixedly connected to a pressing frame 47, and the top of the support plate 2 is fixedly connected to a lifting frame 48, which is convenient for pressing the workpiece downward according to the size of the workpiece.

[0029] Furthermore, holes are provided at corresponding positions of the lifting frame 48 and the adjusting frame 45 , and the adjusting frame 45 is rotatably connected in the holes, so as to synchronously drive the adjusting frame 45 to rotate.

[0030] Furthermore, grooves are provided at corresponding positions of the lifting frame 48 and the pressing frame 47, and the pressing frame 47 is slidably connected in the grooves, so as to facilitate synchronously pulling the pressing frame 47 downward.

[0031] Embodiment three: See also Figure 7 , and combined with Example 1 and Example 2, it is further obtained that the external support mechanism 6 includes a servo motor 61, the servo motor 61 is fixedly connected to the bottom of the support plate 2, the output end of the servo motor 61 is fixedly connected to gear 1 62, the placement table 3 is internally rotatably connected to gear 2 63, the inner side of gear 2 63 is fixedly connected to an adjustment disk 64, the inner side of the adjustment disk 64 is movably connected to a slide column 65, the top of the slide column 65 is fixedly connected to a slider 66, the top of the slider 66 is fixedly connected to a support block 67, and an accordion baffle 68 is fixedly connected between the support block 67 and the placement table 3 to facilitate outward fixing of the workpiece.

[0032] Furthermore, a groove is opened at the corresponding position of the placement table 3 and the slider 66, and the slider 66 is slidably connected in the groove, and gear 1 62 and gear 2 63 are engaged, and an arc groove is opened at the corresponding position of the adjustment disk 64 and the slide column 65, and the slide column 65 is movably connected in the arc groove, so as to facilitate the synchronous pushing of the slider 66 to move.

[0033] During actual operation, when the device is in use, the control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in this field, and the present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and wiring layout in detail. The control method of the present invention is automatically controlled by a controller, and the control circuit of the controller can be implemented by simple programming by technicians in this field. The provision of power supply is also common knowledge in this field, and the present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0034] First, the corresponding differential workpiece is placed on the placement table 3, and the servo motor 61 is started through the provided external support mechanism 6, and the servo motor 61 drives the gear 1 62 to rotate, and the gear 1 62 drives the gear 2 63 to rotate, and the adjusting disk 64 is synchronously driven to rotate during the rotation of the gear 2 63, so that the adjusting disk 64 pushes the sliding column 65 to move along the arc groove guide during the rotation, and then pushes the surrounding support blocks 67 to move outward, so that the support blocks 67 support the inner wall of the differential workpiece to complete the initial fixation, and then, according to the type of differential, through the provided adjustment and shifting mechanism 5, when it is necessary to replace the pressure plate 517, and manually pull the pull plate 511 outward, so that the pull plate 511 moves during the movement of the pull plate 511, so that the connecting rod 513 is synchronously driven to move, so that the limiting rods 514 on both sides are driven to move during the movement of the connecting rod 513, and then the limiting rods 514 push the clamping blocks on both sides to gradually separate from the connecting frame 516, thereby quickly releasing the fixation between the connecting frame 516 and the mounting frame 524, and then pulling it outward. When the pressing plate 517 is pressed, it quickly completes the disassembly of the pressing plate 517, and then resets the replaced pressing plate 517 into the installation frame 524, so that its card block 515 is reinserted. At this time, the pressing plate 517 is fixed in the groove of the connecting frame 516 corresponding to the pressing plate 517, so that in this process, the corresponding pressing plate 517 can be quickly replaced. At the same time, the downward pressing mechanism 4 is set to start the electric cylinder 1 41, and the electric cylinder 1 41 synchronously pushes the limit ring 42 to move upward, so that the limit ring 42 moves upward and simultaneously pushes the connecting block 43 to move, so that the connecting block 43 moves the limit column upward, and then drives the adjustment frame 45 to rotate during the upward movement of its limit column 1 44, and then drives the limit column 2 46 to move downward during the rotation of its adjustment frame 45, and then synchronously drives the pressing frame 47 and the connected pressing plate 517 to move downward, so that the corresponding pressing plate 517 is pressed tightly against the top of the differential workpiece, thereby completing the locking work of the workpiece and preventing the differential workpiece from moving during subsequent processing.

[0035] It should be noted that, in this document, relational terms such as first and second, etc., are used only 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 "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

Claims

1. A cross-hole boring fixture for differential machining, comprising a mounting seat (1), characterized in that: The top of the mounting seat (1) is fixedly connected to a support plate (2), the top of the support plate (2) is fixedly connected to a placement platform (3), the top of the placement platform (3) is provided with a pressing mechanism (4), the outside of the pressing mechanism (4) is provided with an adjustment and shifting mechanism (5), and the inside of the placement platform (3) is provided with an external support mechanism (6); The adjustment and displacement mechanism (5) comprises an adjustment component (51) and a displacement component (52), wherein the displacement component (52) is arranged outside the adjustment component (51); The pressing mechanism (4) includes an electric cylinder (41) which is fixedly connected to the bottom of the support plate (2). The output end of the electric cylinder (41) is fixedly connected to a limit ring (42). The top of the limit ring (42) is fixedly connected to a connecting block (43). The connection block (43) is externally fixedly connected to a limit column (44). The limit column (44) is externally movably connected to an adjustment frame (45). The adjustment frame (45) is internally movably connected to a limit column (46). The limit column (46) is externally fixedly connected to a pressing frame (47). The top of the support plate (2) is fixedly connected to a lifting frame (48).

2. The cross hole boring fixture for differential machining according to claim 1, characterized in that: The lifting frame (48) and the regulating frame (45) are provided with holes at corresponding positions, and the regulating frame (45) is rotatably connected in the holes.

3. The cross hole boring fixture for differential machining according to claim 1, characterized in that: The lifting frame (48) and the pressing frame (47) are provided with grooves at corresponding positions, and the pressing frame (47) is slidably connected in the grooves.

4. The cross hole boring fixture for differential machining according to claim 1, characterized in that: The shift assembly (52) includes a trapezoidal screw (521), the trapezoidal screw (521) is rotatably connected to the inside of the pressure frame (47), the trapezoidal screw (521) is externally threadedly connected to a threaded block (523), the back of the trapezoidal screw (521) is fixedly connected to a rotating block (522), the front of the threaded block (523) is fixedly connected to a mounting frame (524), and the inside of the pressure frame (47) is fixedly connected to a guide column (525).

5. The cross hole boring fixture for differential machining according to claim 4, characterized in that: Grooves are provided at positions corresponding to the threaded block (523) and the guide post (525), and the threaded block (523) is slidably connected to the outside of the guide post (525).

6. The cross hole boring fixture for differential machining according to claim 1, characterized in that: The adjustment assembly (51) includes a pull plate (511), the pull plate (511) is slidably connected to the inside of the installation frame (524), a spring (512) is fixedly connected between the pull plate (511) and the installation frame (524), a connecting rod (513) is fixedly connected to the front of the pull plate (511), both ends of the connecting rod (513) are rotatably connected to the limiting rod (514), and the end of the limiting rod (514) away from the connecting rod (513) is rotatably connected to the clamping block (515), a connecting frame (516) is inserted into the inside of the installation frame (524), and a pressing plate (517) is fixedly connected to the front of the connecting frame (516).

7. The cross hole boring fixture for differential machining according to claim 6, characterized in that: The installation frame (524) and the clamping block (515) are provided with grooves at positions corresponding to the positions thereof, and the clamping block (515) is slidably connected in the grooves.

8. The cross hole boring fixture for differential machining according to claim 6, characterized in that: The connection frame (516) and the card block (515) are provided with grooves at positions corresponding to the positions thereof, and the card block (515) is plugged and connected in the grooves.

9. The cross hole boring fixture for differential machining according to claim 1, characterized in that: The external support mechanism (6) includes a servo motor (61), the servo motor (61) is fixedly connected to the bottom of the support plate (2), the output end of the servo motor (61) is fixedly connected to gear 1 (62), the placement table (3) is internally rotatably connected to gear 2 (63), the inner side of gear 2 (63) is fixedly connected to an adjustment disk (64), the inner side of the adjustment disk (64) is movably connected to a slide column (65), the top of the slide column (65) is fixedly connected to a slider (66), the top of the slider (66) is fixedly connected to a support block (67), and an accordion baffle (68) is fixedly connected between the support block (67) and the placement table (3).

10. The cross hole boring fixture for differential machining according to claim 9, characterized in that: A groove is provided at a position corresponding to the placement table (3) and the slider (66), and the slider (66) is slidably connected in the groove, and the gear 1 (62) and the gear 2 (63) are engaged with each other, and an arc groove is provided at a position corresponding to the adjustment disk (64) and the slide post (65), and the slide post (65) is movably connected in the arc groove.

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