CN215659933U

CN215659933U - Universal coupling assembly fixture

Info

Publication number: CN215659933U
Application number: CN202121894377.8U
Authority: CN
Inventors: 周璇; 刘会荣
Original assignee: Wuxi Metallurgical Universal Shaft Co ltd
Current assignee: Wuxi Metallurgical Universal Shaft Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-01-28
Anticipated expiration: 2031-08-13

Abstract

The utility model provides a universal joint assembly fixture, it includes: the base, the outer wall of one side of the base is connected with a motor by a bolt, the output end of the motor is provided with a positive and negative threaded rod, the positive and negative threaded rod is connected with the side wall of the base in a penetrating and rotating way, the middle position of the inner groove of the base, which is close to the positive and negative threaded rod, is provided with a spacer block, the positive and negative threaded rod is connected with the spacer block in a penetrating and rotating way, one side of the base, which is close to the top of the spacer block, is fixedly connected with a lower clamping block, the two ends of the positive and negative threaded rod are both in threaded connection with a sliding bottom rod, one end of the top of the sliding bottom rod is connected with a coupling bottom rod in a penetrating and sliding way, one end of the coupling bottom rod, which is close to the inner sliding groove of the sliding bottom rod, is welded with a spring, the other end of the coupling bottom rod is fixedly connected with a coupling seat, and a central clamping and fixing structure is adopted, thereby play good fixed to universal joint middle shaft part, the flange clamping device of both sides simultaneously can provide effectual centre gripping to the universal joint flange for control installation accuracy that can be better when the assembly.

Description

Universal coupling assembly fixture

Technical Field

The utility model relates to the technical field of universal coupling processing production, in particular to a universal coupling assembling tool.

Background

The universal coupling utilizes the characteristics of the mechanism thereof to ensure that the two shafts are not on the same axis, and the continuous rotation of the two connected shafts can be realized under the condition of an included angle of the axes.

Current universal joint is when the assembly, and the manual work is usually accomplished the installation assembly on the workstation, consequently lacks the frock when the assembly, consequently lacks the fixed when universal joint assembles, and then causes the installation accuracy to produce the deviation, and also inconvenient artificial assembly work simultaneously causes assembly efficiency to descend.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: when the universal coupling is assembled at present, a special assembly tool is lacked, so that the assembly efficiency and the precision are reduced.

The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model provides a universal joint assembly fixture, it includes: the base, base one side outer wall bolted connection has the motor, the motor output is equipped with positive and negative threaded rod, positive and negative threaded rod runs through and rotates with the base lateral wall to be connected, the base inside groove is close to positive and negative threaded rod intermediate position and is equipped with the spacer block, positive and negative threaded rod runs through and rotates with the spacer block to be connected, the base is close to clamp splice under the top one side fixedly connected with of spacer block, the equal threaded connection in positive and negative threaded rod both ends has the slip sill bar, slip sill bar top one end runs through and sliding connection has the shaft coupling sill bar, the one end welded connection that the shaft coupling sill bar is close to spout in the slip sill bar has the spring, shaft coupling sill bar other end fixedly connected with shaft coupling seat.

As a preferred technical scheme, one side of the lower clamping block is rotatably connected with a clamp screw, the clamp screw penetrates through the upper clamping block and is in threaded connection with the upper clamping block, one side, far away from the clamp screw, of the upper clamping block penetrates through the upper clamping block and is in sliding connection with a limiting sliding rod, a groove is formed in one side, opposite to the upper clamping block, of the lower clamping block, an anti-slip layer is arranged on the inner wall of the groove, the centering shaft is stabilized, and therefore the whole device is high in precision and efficiency during assembly.

As a preferred technical scheme of the utility model, the two sides of the coupler seat far away from each other are fixedly connected with the coupler back plates, and the coupler seat near the opposite side of the two coupler back plates is fixedly connected with the coupler arc grooves, so that the coupler is conveniently clamped.

According to the preferred technical scheme, one side of the coupling arc groove is connected with the limiting rod in a penetrating and inserting mode, the limiting groove is formed in the inner arc side wall of the coupling arc groove, which is opposite to the penetrating side of the limiting rod, the limiting rod is connected with the limiting groove in a plugging and pulling mode, and the flange is stable during assembly of accessories and can be assembled more stably and conveniently through the limiting structure.

As a preferable technical scheme, a flange groove is formed in one side, close to a coupler back plate, of a coupler arc groove, a fastening screw penetrates through one side, close to the flange groove, of the coupler back plate and is in threaded connection with the fastening screw, one end, close to the flange groove, of the fastening screw is in rotary connection with a fastening plate, and through fixation of flanges at two ends, stability and precision of the fixed cross shaft are guaranteed.

The utility model has the following advantages:

the central clamping and fixing structure can well fix the middle shaft part of the universal coupling, and meanwhile, the flange clamping devices on the two sides can effectively clamp the universal coupling flange, so that the mounting precision can be better controlled during assembly; through the gliding centre gripping of both sides to make this frock can carry out different length universal joint's assembly, and make the reduction of manual work volume, promote the efficiency of assembly.

Drawings

FIG. 1 is a side cross-sectional structural schematic view of a preferred embodiment of the present invention;

FIG. 2 is a schematic cross-sectional front view of a preferred embodiment of the present invention;

FIG. 3 is a front view of the coupling seat in accordance with a preferred embodiment of the present invention;

fig. 4 is an enlarged schematic structural view of fig. 1 at a point a according to a preferred embodiment of the present invention.

Description of reference numerals: 1. a base; 2. a motor; 3. a positive and negative threaded rod; 4. a spacer block; 5. a lower clamping block; 6. sliding the bottom bar; 7. a shaft coupling bottom rod; 8. a spring; 9. a coupling seat; 10. a clamp screw; 11. an upper clamping block; 12. a limiting slide bar; 13. an anti-slip layer; 14. a coupler backing plate; 15. a coupling arc groove; 16. a limiting rod; 17. a limiting groove; 18. a flange groove; 19. fastening a screw rod; 20. and (7) fastening the plate.

Detailed Description

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model will be further explained with reference to the drawings.

Referring to fig. 1-4, a universal joint assembling tool includes: a motor 2 is connected with the outer wall of one side of a base 1 through bolts, a positive and negative threaded rod 3 is arranged at the output end of the motor 2, the positive and negative threaded rod 3 is penetrated and rotatably connected with the side wall of the base 1, a spacer block 4 is arranged in the inner groove of the base 1 near the middle position of the positive and negative threaded rod 3, can carry out the centre gripping assembly to the shaft coupling of different length through positive and negative threaded rod 3, positive and negative threaded rod 3 runs through and rotates with spacer 4 and is connected, base 1 is close to spacer 4 under the top one side fixedly connected with clamp splice 5, the equal threaded connection in positive and negative threaded rod 3 both ends has slip

sill bar

6, 6 top one end of slip sill bar runs through and sliding connection has shaft coupling sill bar 7, the one end welded connection that shaft coupling sill bar 7 is close to spout in the slip sill bar 6 has

spring

8, 7 other end fixedly connected with shaft coupling seat 9 of shaft coupling sill bar, it is fixed to conveniently carry out the centre gripping, thereby realize high accuracy and efficient assembly.

Wherein, the spacing slide bar 12 of 5 top fixedly connected with of clamp splice down, and clamp splice 5 rotates down and is connected with anchor clamps screw rod 10, spacing slide bar 12 all run through with anchor clamps screw rod 10 and is connected with clamp splice 11, go up clamp splice 11 and anchor clamps screw rod 10 threaded connection, it is equipped with skid resistant course 13 to set up recess and inner arc between clamp splice 5 and the last clamp splice 11 down, it fixes to fall universal joint's axis through last clamp splice 11 and clamp splice 5 down, and then make universal joint can be more stable when the assembly, and then reduce the influence to the assembly precision.

Wherein, one side of the coupler seat 9 is fixedly connected with a coupler back plate 14, one side of the coupler back plate 14 close to the coupler seat 9 is provided with a coupler arc groove 15, the coupler flange is fixed through the coupler back plate 14 and the coupler arc groove 15, further, the subsequent assembly is convenient, a flange groove 18 is arranged between the coupler arc groove 15 and the coupler back plate 14, a fastening plate 20 is arranged inside the flange groove 18, one side of the fastening plate 20 opposite to the coupler back plate 14 is rotatably connected with a fastening screw 19, the fastening screw 19 is communicated and in threaded connection with the coupler back plate 14, the coupler flange is fixed through the fastening screw 19 and the fastening plate 20, thereby the installation stability is more convenient, one side of the coupler arc groove 15 is communicated and spliced with a limiting rod 16, one side of the limiting rod 16 opposite to the inner arc of the coupler arc groove 15 is spliced with a limiting groove 17, the assembly flange is limited through the limiting rod 16, and further prevent the cross flange from rotating, thereby reducing the influence on the assembly precision and efficiency.

The working principle is as follows: during assembly, a middle shaft of the universal coupling penetrates through a groove between an upper clamping block 11 and a lower clamping block 5, then a clamp screw 10 is rotated, the clamp screw 10 drives the upper clamping block 11 to move downwards, meanwhile, the other side of the upper clamping block 11 slides downwards on a limiting slide rod 12, then the middle shaft of the universal coupling is clamped by the upper clamping block 11 and the lower clamping block 5, meanwhile, an anti-skidding layer 13 prevents the middle shaft of the universal coupling from rotating to ensure assembly precision, then a flange on one side of a universal coupling cross shaft is assembled at two ends of the middle shaft of the universal coupling, then the other half of the universal coupling cross shaft is installed on a coupling arc groove 15 on a coupling seat 9, an outer arc of the flange is inserted into a flange groove 18, then a fastening screw 19 is rotated to push a fastening plate 20 to fasten the flange forwards, meanwhile, a coupling bottom rod 7 slides downwards in a sliding bottom rod 6 under the force, and simultaneously extrudes a spring 8, then the motor 2 drives the positive and negative threaded rod 3 to rotate, then the positive and negative threaded rod 3 drives the sliding bottom rod 6 and the upper coupler seat 9 to move towards the middle, then the independent flange and the flange on the shaft in the universal coupler are installed through the cross shaft, then the limiting rod 16 penetrates through the center of the installed coupler flange and is inserted into the limiting groove 17 to prevent the flanges at the two ends from rotating, and then the installation of all parts is completed, namely the assembly is completed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Other parts of the utility model not described in detail are prior art and are not described in detail herein.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a universal joint assembly fixture which characterized in that includes: a base (1), wherein the outer wall of one side of the base (1) is connected with a motor (2) through bolts, the output end of the motor (2) is provided with a positive and negative threaded rod (3), the positive and negative threaded rod (3) is penetrated and rotationally connected with the side wall of the base (1), a spacer block (4) is arranged in the inner groove of the base (1) near the middle position of the positive and negative threaded rod (3), the positive and negative threaded rod (3) is penetrated and rotationally connected with the spacer block (4), one side of the base (1) close to the top of the spacer block (4) is fixedly connected with a lower clamping block (5), both ends of the positive and negative threaded rod (3) are in threaded connection with a sliding bottom rod (6), one end of the top of the sliding bottom rod (6) penetrates through and is connected with a coupling bottom rod (7) in a sliding way, one end of the coupling bottom rod (7) close to the inner chute of the sliding bottom rod (6) is welded and connected with a spring (8), the other end of the coupling bottom rod (7) is fixedly connected with a coupling seat (9).

2. The universal coupling assembling tool according to claim 1, characterized in that one side of the lower clamping block (5) is rotatably connected with a clamp screw (10), the clamp screw (10) is connected with an upper clamping block (11) in a penetrating and threaded manner, one side of the upper clamping block (11) far away from the clamp screw (10) is connected with a limiting slide rod (12) in a penetrating and sliding manner, one side of the lower clamping block (5) opposite to the upper clamping block (11) is provided with a groove, and the inner wall of the groove is provided with an anti-slip layer (13).

3. The universal coupling assembling tool according to claim 1, wherein a coupling back plate (14) is fixedly connected to each side, far away from each other, of the two coupling seats (9), and a coupling arc groove (15) is fixedly connected to one side, close to the two coupling back plates (14), of each coupling seat (9) and opposite to each other.

4. The universal coupling assembling tool according to claim 3, wherein a limiting rod (16) is connected to one side of the coupling arc groove (15) in a penetrating and inserting mode, a limiting groove (17) is formed in the inner arc side wall of one side, opposite to the limiting rod (16), of the coupling arc groove (15) in the penetrating mode, and the limiting rod (16) is connected with the limiting groove (17) in a inserting and inserting mode.

5. The universal coupling assembling tool according to claim 3, wherein a flange groove (18) is formed in one side, close to the coupling back plate (14), of the coupling arc groove (15), a fastening screw (19) penetrates through one side, close to the flange groove (18), of the coupling back plate (14) and is in threaded connection with one end of the fastening screw (19), close to the flange groove (18), and one end of the fastening screw (19) is rotatably connected with a fastening plate (20).