Transmission shaft sliding fork riveting device

Abstract

The utility model discloses a transmission shaft sliding fork riveting device, and relates to the technical field of riveting devices. The clamping device comprises two supports, vertical through holes are formed in the tops of the two supports, a lowering cavity used for containing a sliding fork is formed between the two vertical through holes, the upper surfaces of the supports are connected with L-shaped supporting plates used for containing torsional vibration dampers, and the tops of the two supports are slidably connected with clamping blocks which are symmetrical left and right. A clamping assembly used for enhancing the clamping firmness of the sliding fork is arranged on the adjacent sides of the two clamping blocks. The lower end of the sliding fork is inserted into the lowering cavity to play a role in basic limiting, then the two clamping blocks are close to each other so that the clamping assembly can clamp and fix the outer wall face of the sliding fork, the stability and uniqueness of the placing position of the sliding fork can be kept in the riveting process, and the riveting efficiency is improved. The accuracy of riveting the torsional vibration damper to the sliding fork is guaranteed, and the riveting quality of the sliding fork is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of riveting devices, in particular to a transmission shaft sliding fork riveting device. Background Art

[0002] The rear axle drive shaft used in the automobile includes an inserted sliding fork, and a torsional vibration damper is installed on the outer wall of the sliding fork to play a dust-proof role.

[0003] The Chinese utility model patent with the publication number CN211803463U discloses a transmission shaft sliding fork riveting device, including a base, a positioning plate is arranged at the bottom of the base, the center of the base is a first through hole, the bottom of the sliding fork is inserted into the second through hole, the outer wall of the sliding fork is provided with a rivet ring matching the rivet head, the torsional vibration damper is placed at the rivet ring, and a pressure head is arranged on the sliding fork. When in use, the device only uses the second through hole to fix the sliding fork, which is difficult to fix sliding forks of different sizes, and its practicality is poor. For sliding forks smaller than the second through hole, their stability is poor during riveting and they are prone to positional displacement, which easily affects the accuracy of riveting.

[0004] For this purpose, a transmission shaft sliding fork riveting device is proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the problems existing in the prior art and provide a transmission shaft sliding fork riveting device.

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A transmission shaft sliding fork riveting device comprises two brackets, both of which are provided with vertical through holes on the top, a lowering cavity for placing the sliding fork is formed between the two vertical through holes, an L-shaped support plate for placing a torsional vibration damper is connected to the upper surface of the bracket, the tops of the two brackets are slidably connected with left-right symmetrical clamping blocks, a clamping assembly for enhancing the firmness of clamping the sliding fork is arranged on the adjacent side of the two clamping blocks, and a spacing adjustment part for driving the two clamping blocks to move away from or closer to each other is arranged on the side where the two brackets are close to each other.

[0008] Furthermore, the clamping assembly includes a side plate, a side plate is provided on one side of the clamping block, a side wall surface of the clamping block and an outer wall surface of the side plate are connected by a plurality of equally distributed damping springs, and a damping telescopic rod surrounded by the damping spring is connected between the side wall surface of the clamping block and the side wall surface of the side plate.

[0009] Furthermore, a protective pad is inserted into a side wall surface adjacent to the two side panels, and the protective pad is made of flexible plastic or silicone material.

[0010] Furthermore, the spacing adjustment part includes a push rod, the outer wall surface of the clamping block is rotatably connected to the push rod, the other end of the push rod is rotatably connected to two connecting plates, the side walls of the two connecting plates are connected to the same cross column, the other end of the cross column is rotatably connected to a connecting rod, the other ends of the two connecting rods are rotatably connected to the same downward pressure column, the upper end of the downward pressure column is arranged inside the lowering cavity, an L-shaped fixing column is fixedly installed on the outer wall surface of the bracket, and the fixing column and the connecting plate are rotatably connected through a rotating shaft.

[0011] Furthermore, the connection between the upper end of the pressing column and the inner wall surface of the lowering chamber is a sliding connection.

[0012] Furthermore, the ends of the two front-to-back symmetrical connecting plates are rotatably connected to the same protrusion, and the same telescopic cross bar is connected between the two left-to-right symmetrical protrusions.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The utility model can play a role of basic limit by inserting the lower end of the sliding fork into the interior of the lowering cavity, and then the two clamping blocks are brought close to each other so that the clamping assembly can clamp and fix the outer wall surface of the sliding fork, which can maintain the stability and uniqueness of the placement of the sliding fork during the riveting process, ensure the accuracy of riveting the torsional vibration damper onto the sliding fork, and ensure the quality of riveting the sliding fork. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front perspective schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a front perspective schematic diagram of the overall structure of the utility model;

[0017] Figure 3 This is an exploded schematic diagram of the structure of the clamping assembly of the utility model;

[0018] Figure 4 It is a cross-sectional schematic diagram of the structure of the spacing adjustment part of the utility model;

[0019] Figure numerals: 1. bracket; 2. lowering chamber; 3. support plate; 4. clamping block; 5. clamping assembly; 501. damping spring; 502. damping telescopic rod; 503. side plate; 504. protection pad; 6. spacing adjustment part; 601. connecting plate; 602. push rod; 603. pressing column; 604. horizontal column; 605. protrusion; 606. telescopic cross rod; 607. connecting rod; 7. fixing column. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0023] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] like Figures 1 to 2 As shown, a transmission shaft sliding fork riveting device comprises two brackets 1, the tops of the two brackets 1 are both provided with vertical through holes, a lowering chamber 2 for placing the sliding fork is formed between the two vertical through holes, an "L"-shaped support plate 3 for placing a torsional vibration damper is connected to the upper surface of the bracket 1, and the tops of the two brackets 1 are slidably connected with left-right symmetrical clamping blocks 4, and a clamping assembly 5 for enhancing the firmness of clamping the sliding fork is arranged on one side adjacent to the two clamping blocks 4, and a spacing adjustment part 6 for driving the two clamping blocks 4 to move away from or close to each other is arranged on one side where the two brackets 1 are close to each other;

[0025] Specifically, by inserting the lower end of the sliding fork into the lowering chamber 2, a basic position limit can be achieved, and then the two clamping blocks 4 are brought close to each other so that the clamping assembly 5 can clamp and fix the outer wall surface of the sliding fork, thereby maintaining the stability and uniqueness of the placement position of the sliding fork during the riveting process, ensuring the accuracy of riveting the torsional vibration damper onto the sliding fork, and ensuring the quality of the riveting of the sliding fork;

[0026] like Figure 3 As shown, the clamping assembly 5 includes a side plate 503, and the side plate 503 is provided on one side of the clamping block 4, and a side wall surface of the clamping block 4 is connected to an outer wall surface of the side plate 503 via a plurality of equally spaced damping springs 501, and a damping telescopic rod 502 surrounded by the damping spring 501 is connected between the side wall surface of the clamping block 4 and the side wall surface of the side plate 503;

[0027] Specifically, the damping spring 501 and the damping telescopic rod 502 can be squeezed and deformed accordingly when the side plate 503 contacts the outer wall surface of the sliding fork, so as to enhance the firmness of the side plate 503 clamping the outer wall surface of the sliding fork, and can adapt to sliding forks of different sizes, thereby enhancing the practicality of the product.

[0028] like Figure 3 As shown, an arc-shaped protective pad 504 is inserted on the adjacent side wall of the two side panels 503, and the protective pad 504 is made of flexible plastic or silicone material;

[0029] In order to increase the contact area with the sliding fork and enhance the stability of the clamping, the side plate 503 and the protection pad 504 are both arc-shaped structures;

[0030] Specifically, the protective pad 504 made of flexible plastic or silicone material can avoid extrusion and wear on the outer wall of the sliding fork during clamping, thereby ensuring the quality of the sliding fork during riveting. At the same time, the plug-in method facilitates the disassembly and replacement of the protective pad 504, and the structure is simple and easy to operate.

[0031] like Figure 4 As shown, the spacing adjustment part 6 includes a push rod 602, the outer wall surface of the clamping block 4 is rotatably connected with the push rod 602, the other end of the push rod 602 is rotatably connected with two connecting plates 601, the side walls of the two connecting plates 601 are connected with the same horizontal column 604, the other end of the horizontal column 604 is rotatably connected with a connecting rod 607, the other ends of the two connecting rods 607 are rotatably connected with the same pressing column 603, the upper end of the pressing column 603 is arranged inside the lowering cavity 2, and an L-shaped fixed column 7 is fixedly installed on the outer wall surface of the bracket 1, and the fixing column 7 is rotatably connected with the connecting plate 601 through a rotating shaft;

[0032] Specifically, by setting the connecting plate 601, the push rod 602 and the cross column 604, when the lower pressure column 603 is subjected to downward pressure, it can rotate accordingly, thereby changing the distance between the two push rods 602 and driving the two clamping blocks 4 to approach each other, so as to clamp and fix the sliding fork.

[0033] like Figure 4 As shown, the connection between the upper end of the lower pressure column 603 and the inner wall surface of the lowering chamber 2 is a sliding connection;

[0034] Specifically, the sliding connection can enhance the tightness of the connection between the lowering chamber 2 and the lower pressure column 603, and can also enhance the stability of the upper and lower movements of the lower pressure column 603.

[0035] like Figure 4 As shown, the ends of the two front-to-back symmetrical connecting plates 601 are rotatably connected to a same protrusion 605, and a same telescopic crossbar 606 is connected between the two left-to-right symmetrical protrusions 605;

[0036] Specifically, the telescopic cross bar 606 can enhance the relative stability of the left and right connecting plates 601, avoid affecting the driving effect of the push rod 602 on the clamping block 4 due to the different placement positions and angles of the left and right connecting plates 601, and ensure that the distance between the two clamping blocks 4 and the center point of the lowering chamber 2 is always consistent.

[0037] When in use, the bracket 1 is installed on a machine tool with a pressure head installed on the upper end, and a rivet ring is provided on the outer wall surface of the sliding fork, and a torsional vibration damper is placed on the rivet ring. A rivet head corresponding to the rivet ring is placed on the top of the end of the support plate 3 close to the lowering chamber 2, and the lower end of the sliding fork is inserted into the lowering chamber 2, and the bottom of the sliding fork contacts with the top of the lower pressure column 603, and then the pressure head is driven to press the sliding fork downward, which can push the lower pressure column 603 downward, thereby driving the position of the cross column 604 to tilt, driving the connecting plate 601 to rotate, and then the two push rods 602 can be pulled close to each other, so that the two clamping assemblies 5 can be pushed to the outside of the sliding fork, which can achieve the purpose of clamping and fixing the sliding fork, and at the same time, the contact between the rivet head and the rivet ring is riveted and deformed, and the deformed part can press the torsional vibration damper, so as to fix the torsional vibration damper on the outer wall of the rivet ring. After the riveting is completed, the pressure head is moved up and the sliding fork is removed.

[0038] In summary: by inserting the lower end of the sliding fork into the interior of the lowering cavity 2, it can play a role in basic limiting, and then the two clamping blocks 4 are brought close to each other so that the clamping assembly 5 can clamp and fix the outer wall surface of the sliding fork, which can maintain the stability and uniqueness of the placement of the sliding fork during the riveting process, ensure the accuracy of riveting the torsional vibration damper onto the sliding fork, and ensure the quality of riveting the sliding fork.

[0039] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A transmission shaft sliding fork riveting device, characterized in that: The invention comprises two brackets (1), each of which has a vertical through hole at the top, a lowering chamber (2) for placing a sliding fork formed between the two vertical through holes, an "L"-shaped support plate (3) for placing a torsional vibration damper connected to the upper surface of the bracket (1), a left-right symmetrical clamping block (4) slidably connected to the top of the two brackets (1), a clamping assembly (5) for enhancing the firmness of clamping the sliding fork is arranged on the adjacent side of the two clamping blocks (4), and a spacing adjustment part (6) for driving the two clamping blocks (4) to move away from or towards each other is arranged on the side where the two brackets (1) are close to each other.

2. A transmission shaft sliding fork riveting device according to claim 1, characterized in that: The clamping assembly (5) comprises a side plate (503), one side of the clamping block (4) is provided with the side plate (503), a side wall surface of the clamping block (4) and an outer wall surface of the side plate (503) are connected via a plurality of equidistantly distributed damping springs (501), and a damping telescopic rod (502) surrounded by the damping spring (501) is connected between the side wall surface of the clamping block (4) and the side wall surface of the side plate (503).

3. A transmission shaft sliding fork riveting device according to claim 2, characterized in that: A protective pad (504) is inserted into a wall surface adjacent to one side of the two side panels (503), and the protective pad (504) is made of flexible plastic or silica gel.

4. The transmission shaft sliding fork riveting device according to claim 1, characterized in that: The spacing adjustment part (6) includes a push rod (602), the outer wall surface of the clamping block (4) is rotatably connected to the push rod (602), the other end of the push rod (602) is rotatably connected to two connecting plates (601), the side walls of the two connecting plates (601) are connected to the same cross column (604), the other end of the cross column (604) is rotatably connected to a connecting rod (607), the other ends of the two connecting rods (607) are rotatably connected to the same pressing column (603), the upper end of the pressing column (603) is arranged inside the lowering cavity (2), and an L-shaped fixing column (7) is fixedly installed on the outer wall surface of the bracket (1), and the fixing column (7) and the connecting plate (601) are rotatably connected via a rotating shaft.

5. A transmission shaft sliding fork riveting device according to claim 4, characterized in that: The connection between the upper end of the lower pressure column (603) and the inner wall surface of the lowering chamber (2) is a sliding connection.

6. A transmission shaft sliding fork riveting device according to claim 4, characterized in that: The ends of the two front-to-back symmetrical connection plates (601) are rotatably connected to a same protrusion (605), and a same telescopic crossbar (606) is connected between the two left-to-right symmetrical protrusions (605).

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