Automatic indexing device for tightening sleeve
By designing an automatic indexing device for tightening sleeves including fixing plate, brake mechanism, worm gear, indexing disc, screw rod and motor, the problem of the existing devices being difficult to quickly change the tightening mechanism according to the size of the bolt or nut and inconvenient to tighten multiple bolts or nuts at the same time is solved, and rapid adjustment and efficient tightening of multiple bolts or nuts are achieved.
Patent Information
- Application Number
- CN202520493423.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2035-03-20
AI Technical Summary
Existing automatic tightening sleeve indexing devices are difficult to quickly change the tightening mechanism according to the size of the bolt or nut, and it is not convenient to tighten multiple bolts or nuts simultaneously.
An automatic indexing device for tightening sleeves including a fixing plate, a brake mechanism, a worm gear, a indexing disc, a screw and a motor is designed. Through the synergy between the brake mechanism and the motor, the quick adjustment and tightening operation of the sleeve body position is achieved. At the same time, through the design of threaded sleeve blocks and guide blocks, it is easy to tighten bolts or nuts of different sizes.
It realizes quick change of the tightening mechanism according to the model size of the bolt or nut, and facilitates the simultaneous tightening of multiple bolts or nuts, improving tightening accuracy and efficiency.
Smart Images

Figure CN222767735U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of automatic indexing devices, in particular to an automatic indexing device for tightening sleeves. Background Art
[0002] In modern manufacturing, tightening sleeves are key tools for connecting and fixing various components. Their quality and tightening accuracy are directly related to the reliability and safety of the product. The main components of the indexing device usually include a rotating part, a fixed part, an alignment mechanism and a locking mechanism. Among them, the rotating part is used to realize the rotation or movement of the workpiece, the fixed part is used to support and fix the rotating part, the alignment mechanism is used to determine the exact position of the workpiece after indexing, and the locking mechanism is used to lock the position of the workpiece after indexing to prevent it from moving.
[0003] The main function of the automatic indexing device for tightening sleeves is to realize fast and accurate tightening of the sleeves, and to be able to automatically index so as to perform continuous tightening operations on multiple bolts or nuts. However, when using the existing automatic indexing device for tightening sleeves, it is difficult to quickly replace the tightening mechanism according to the sizes of multiple bolts or nuts, and it is not convenient to tighten multiple bolts or nuts at the same time, which needs further improvement.
[0004] Therefore, an automatic indexing device for tightening sleeves is proposed, which can quickly replace the tightening mechanism according to the size of the bolts or nuts, and is convenient for tightening multiple bolts or nuts at the same time. Utility Model Content
[0005] In order to overcome the problems that the existing automatic indexing device for tightening sleeves is difficult to quickly replace the tightening mechanism according to the size of the bolts or nuts when in use, and is inconvenient to tighten multiple bolts or nuts at the same time, an automatic indexing device for tightening sleeves is proposed.
[0006] The technical scheme of the utility model is: an automatic indexing device for tightening a sleeve, comprising a fixing plate; a braking mechanism is arranged on one side of the fixing plate, a first fixing cylinder is fixedly connected to a lower part of one side of the fixing plate, a worm gear is rotatably mounted on one side of the first fixing cylinder, a dividing plate is fixedly connected to one side of the worm gear, six evenly distributed slide grooves are opened on one side of the dividing plate, a guide groove is opened on one end of the slide groove close to the center of the dividing plate, a groove is opened on one end of the guide groove close to the center of the dividing plate, a second motor is fixedly connected to an inner wall of the groove, a screw rod is fixedly connected to an end of an output shaft of the second motor close to the central axis of the dividing plate, a threaded sleeve block is movably mounted on an outer wall of the screw rod, a guide block is fixedly connected to one side of the threaded sleeve block, a first fixing ring is fixedly connected to one side of the guide block, a third motor is fixedly connected to the center of one side of the guide block, a second fixing cylinder is fixedly connected to one side of the first fixing ring, the third motor is located inside the second fixing cylinder, a sleeve body is fixedly connected to one side of the output shaft of the third motor, and a first inner hexagonal groove is opened on one side of the sleeve body;
[0007] The braking mechanism includes a bracket, a first motor, a bearing seat and a worm; the bracket is fixedly connected to one side of the fixed plate, the right end of the bracket is fixedly connected to the first motor, the lower end of the bracket is fixedly connected to two bearing seats, the two bearing seats are located on the left side of the first motor, and the inner walls of the two bearing seats are jointly rotatably mounted with a worm, the output shaft of the first motor passes through the bracket and is fixedly connected to the right end of the worm, and the worm and the worm wheel are meshed with each other.
[0008] Preferably, a linear module is disposed below the fixed plate, and the upper end of the movable end of the linear module is fixedly connected to the lower end of the fixed plate.
[0009] Preferably, the slide groove runs through the side wall of the dividing plate, the guide groove runs through the side wall of the dividing plate, and the guide groove and the slide groove together constitute a T-shaped groove body structure.
[0010] Preferably, the side wall of the dividing plate is provided with evenly distributed scale grooves.
[0011] Preferably, the guide block is slidably disposed on the inner wall of the guide groove, and the first fixing ring is slidably disposed on the inner wall of the slide groove.
[0012] Preferably, the side wall of the sleeve body is in contact with the inner wall of the second fixing tube.
[0013] Preferably, a second fixing ring is fixedly connected to the middle part of the side wall of the sleeve body, four locking screws are threadedly installed on one side of the second fixing ring, a first internally threaded tube is threadedly installed on the outer wall of one end of the sleeve body away from the guide block, a third fixing tube is fixedly connected to the outer wall of one end of the first internally threaded tube away from the guide block, a second internal hexagonal groove is penetrated through the center of one end of the third fixing tube, the locking screw passes through the second fixing ring and is threadedly installed in the wall layer of the first internally threaded tube.
[0014] Preferably, a second internally threaded barrel is fixedly connected to the center of one side of the dividing plate, a mounting column is threadedly mounted on the inner wall of the second internally threaded barrel, and a third internal hexagonal groove is formed at one end of the mounting column.
[0015] Beneficial effects of the utility model:
[0016] 1. The worm gear can be rotated by turning on the brake mechanism, and the worm gear drives the indexing plate to rotate, so as to adjust the position of the sleeve body. The second motor is turned on to rotate the screw rod, and the threaded sleeve block moves on the outer wall of the screw rod to adjust the position of the sleeve body. The third motor is turned on to rotate the sleeve body, and the first hexagonal groove on the sleeve body can be used to quickly rotate and tighten the bolts or nuts, which solves the problem that the existing automatic indexing device for tightening the sleeve is inconvenient to tighten multiple bolts or nuts at the same time when in use;
[0017] 2. When it is necessary to tighten a larger hexagonal nut or hexagonal bolt, the first internal threaded barrel is threadedly installed on the outer wall of one end of the sleeve body, and then the locking screw is passed through the second fixing ring and threadedly installed in the wall layer of the first internal threaded barrel. The third motor is turned on to rotate the sleeve body, and the sleeve body drives the first internal threaded barrel to rotate, so that the second internal hexagonal groove rotates to tighten the larger hexagonal nut or hexagonal bolt, which solves the problem that the existing automatic indexing device for tightening the sleeve is difficult to quickly replace the tightening mechanism according to the size of the bolt or nut when in use. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 What is shown is a three-dimensional structural schematic diagram of an automatic indexing device for tightening sleeves of the utility model;
[0019] Figure 2 The three-dimensional structure schematic diagram of the brake mechanism of the automatic indexing device for tightening sleeves of the utility model is shown;
[0020] Figure 3 The three-dimensional structure schematic diagram of a dividing plate of an automatic dividing device for tightening sleeves of the utility model is shown;
[0021] Figure 4 The present invention shows a schematic diagram of the three-dimensional structure of a second fixed cylinder of an automatic indexing device for tightening sleeves;
[0022] Figure 5 What is shown is a three-dimensional cross-sectional structure schematic diagram of a dividing plate of an automatic dividing device for tightening sleeves of the utility model;
[0023] Figure 6 The utility model is a kind of automatic indexing device for tightening sleeve. Figure 5 A local enlarged three-dimensional structure schematic diagram;
[0024] Figure 7 The three-dimensional structure diagram of an internal threaded barrel of an automatic indexing device for tightening a sleeve of the utility model is shown;
[0025] Figure 8 The three-dimensional structure diagram of an internal threaded barrel of an automatic indexing device for tightening a sleeve of the utility model is shown;
[0026] Fig. 9 What is shown is a schematic diagram of the three-dimensional disassembled structure of a second fixing ring and a locking screw of an automatic indexing device for tightening a sleeve of the utility model.
[0027] The markings in the accompanying drawings are: 1. fixed plate; 2. braking mechanism; 201. bracket; 202. first motor; 203. bearing seat; 204. worm; 3. first fixed cylinder; 4. worm wheel; 5. dividing plate; 6. linear module; 7. slide groove; 8. guide groove; 9. groove; 10. second motor; 11. screw; 12. scale groove; 13. threaded sleeve; 14. guide block; 15. first fixed ring; 16. second fixed cylinder; 17. third motor; 18. sleeve body; 19. first inner hexagon groove; 20. second fixed ring; 21. locking screw; 22. first inner thread cylinder; 23. third fixed cylinder; 24. second inner hexagon groove; 25. second inner thread cylinder; 26. mounting column; 27. third inner hexagon groove. DETAILED DESCRIPTION
[0028] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0029] See also Figure 1-Figure 9 The utility model provides an embodiment: an automatic indexing device for tightening sleeves, comprising a fixed plate 1; a brake mechanism 2 is arranged on one side of the fixed plate 1; a first fixed cylinder 3 is fixedly connected to the lower part of one side of the fixed plate 1; a worm gear 4 is rotatably mounted on one side of the first fixed cylinder 3; a dividing plate 5 is fixedly connected to one side of the worm gear 4; six evenly distributed slide grooves 7 are opened on one side of the dividing plate 5; a guide groove 8 is opened on one end of the slide groove 7 close to the center of the dividing plate 5; a groove 9 is opened on one end of the guide groove 8 close to the center of the dividing plate 5; a second motor 10 is fixedly connected to the inner wall of the groove 9; the second motor A screw rod 11 is fixedly connected to one end of the output shaft of the machine 10 close to the central axis of the dividing plate 5, a threaded sleeve 13 is movably mounted on the outer wall of the screw rod 11, a guide block 14 is fixedly connected to one side of the threaded sleeve 13, a first fixed ring 15 is fixedly connected to one side of the guide block 14, a third motor 17 is fixedly connected to the center of one side of the guide block 14, a second fixed cylinder 16 is fixedly connected to one side of the first fixed ring 15, the third motor 17 is located inside the second fixed cylinder 16, a sleeve body 18 is fixedly connected to one side of the output shaft of the third motor 17, and a first inner hexagonal groove 19 is provided on one side of the sleeve body 18.
[0030] See also Figure 1 and Figure 2In this embodiment, the braking mechanism 2 includes a bracket 201, a first motor 202, a bearing seat 203 and a worm 204; the bracket 201 is fixedly connected to one side of the fixed plate 1, the first motor 202 is fixedly connected to the right end of the bracket 201, and the lower end of the bracket 201 is fixedly connected to two bearing seats 203, the two bearing seats 203 are located on the left side of the first motor 202, and the inner walls of the two bearing seats 203 are jointly rotatably installed with a worm 204, the output shaft of the first motor 202 passes through the bracket 201 and is fixedly connected to the right end of the worm 204, the worm 204 and the worm wheel 4 are meshed with each other, when the worm wheel 4 needs to be rotated, the first motor 202 is turned on to rotate the worm 204, and the worm 204 and the worm wheel 4 are meshed with each other, which can drive the worm wheel 4 to rotate.
[0031] When in use, turning on the braking mechanism 2 can rotate the worm gear 4, and the worm gear 4 drives the dividing plate 5 to rotate, so that the position of the sleeve body 18 can be adjusted. Turning on the second motor 10 can rotate the screw rod 11, and the threaded sleeve block 13 will move on the outer wall of the screw rod 11 to adjust the position of the sleeve body 18. Turning on the third motor 17 can rotate the sleeve body 18, and the first hexagonal groove 19 on the sleeve body 18 can be used to quickly rotate and tighten the bolt or nut.
[0032] See also Figure 1 In this embodiment, a linear module 6 is arranged below the fixed plate 1, and the upper end of the movable end of the linear module 6 is fixedly connected to the lower end of the fixed plate 1. When the fixed plate 1 needs to be moved forward and backward, the linear module 6 is opened so that the movable end of the linear module 6 moves the fixed plate 1, which can facilitate the rapid adjustment of the position of the fixed plate 1.
[0033] See also Figure 1 and Figure 3 In this embodiment, the slide groove 7 runs through the side wall of the dividing plate 5, and the guide groove 8 runs through the side wall of the dividing plate 5. The guide groove 8 and the slide groove 7 together constitute a T-shaped groove structure, which is conducive to the stable movement of the guide block 14 and the first fixed ring 15.
[0034] See also Figure 1 and Figure 3 In this embodiment, the side wall of the dividing plate 5 is provided with evenly distributed scale grooves 12, which can facilitate reading the position of the dividing plate 5 after rotation.
[0035] See also Figure 3 and Figure 4 In this embodiment, the guide block 14 is slidably disposed on the inner wall of the guide groove 8, and the first fixing ring 15 is slidably disposed on the inner wall of the slide groove 7, thereby improving the stability of the second fixing cylinder 16 when moving.
[0036] See also Figure 4In this embodiment, the side wall of the sleeve body 18 and the inner wall of the second fixed tube 16 are in close contact with each other, which is conducive to the stable rotation of the sleeve body 18.
[0037] See also Figure 4 and Figure 7 In this embodiment, a second fixing ring 20 is fixedly connected to the middle of the side wall of the sleeve body 18, and four locking screws 21 are threadedly installed on one side of the second fixing ring 20. A first internal threaded tube 22 is threadedly installed on the outer wall of the end of the sleeve body 18 away from the guide block 14, and a third fixing tube 23 is fixedly connected to the outer wall of the end of the first internal threaded tube 22 away from the guide block 14. A second internal hexagonal groove 24 is opened through the center of one end of the third fixing tube 23, and the locking screw 21 passes through the second fixing ring 20 and is threadedly installed. In the wall layer of the first internally threaded tube 22, when it is necessary to tighten a larger hexagonal nut or hexagonal bolt, the first internally threaded tube 22 is threadedly installed on the outer wall of one end of the sleeve body 18, and then the locking screw 21 is passed through the second fixing ring 20 and threadedly installed in the wall layer of the first internally threaded tube 22, and the third motor 17 is turned on to rotate the sleeve body 18, and the sleeve body 18 drives the first internally threaded tube 22 to rotate, so that the second internal hexagonal groove 24 rotates to tighten the larger hexagonal nut or hexagonal bolt.
[0038] See also Figure 1 and Figure 8 In this embodiment, a second internally threaded barrel 25 is fixedly connected to the center of one side of the dividing plate 5, and a mounting column 26 is threadedly installed on the inner wall of the second internally threaded barrel 25. A third internal hexagonal groove 27 is provided at one end of the mounting column 26. The mounting column 26 is threadedly installed on the inner wall of the second internally threaded barrel 25, and the third internal hexagonal groove 27 can be used to tighten the bolts or nuts. The mounting columns 26 of different lengths and the third internal hexagonal grooves 27 of different sizes can be selected according to the situation to achieve tightening of bolts or nuts of different sizes.
[0039] Working principle: First, turn on the first motor 202 to rotate the worm 204, the worm 204 and the worm wheel 4 mesh with each other, which can drive the worm wheel 4 to rotate, and the worm wheel 4 drives the indexing plate 5 to rotate, so as to adjust the position of the sleeve body 18;
[0040] The second motor 10 is turned on to rotate the screw rod 11, and the threaded sleeve 13 moves on the outer wall of the screw rod 11 to adjust the position of the sleeve body 18;
[0041] When the fixed plate 1 needs to be moved forward and backward, the linear module 6 is turned on so that the moving end of the linear module 6 moves the fixed plate 1, which can facilitate the rapid adjustment of the position of the fixed plate 1;
[0042] The linear module 6 and the third motor 17 can work together. When the third motor 17 is turned on, the sleeve body 18 rotates, and the moving end of the linear module 6 moves backward. The first hexagonal groove 19 on the sleeve body 18 can be used to quickly rotate and tighten the bolt or nut.
[0043] When a larger hexagonal nut or hexagonal bolt needs to be tightened, the first internal threaded tube 22 is threadedly installed on the outer wall of one end of the sleeve body 18, and then the locking screw 21 passes through the second fixing ring 20 and is threadedly installed in the wall layer of the first internal threaded tube 22, and the third motor 17 is turned on to rotate the sleeve body 18, and the sleeve body 18 drives the first internal threaded tube 22 to rotate, so that the second internal hexagonal groove 24 rotates to tighten the larger hexagonal nut or hexagonal bolt;
[0044] In addition, the mounting column 26 is threadedly installed on the inner wall of the second internally threaded tube 25, and the third internal hexagonal groove 27 can be used to tighten the bolts or nuts. Mounting columns 26 of different lengths and third internal hexagonal grooves 27 of different sizes can be selected according to the situation to tighten bolts or nuts of different sizes.
[0045] It should be noted that the size of the second inner hexagonal slot 24 and the size of the third inner hexagonal slot 27 can be selected according to actual conditions to accommodate bolts and nuts of more specifications.
[0046] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.
Claims
1. An automatic indexing device for tightening a sleeve, comprising a fixing plate (1); characterized in that: A brake mechanism (2) is provided on one side of the fixed plate (1); a first fixed cylinder (3) is fixedly connected to the lower part of one side of the fixed plate (1); a worm gear (4) is rotatably mounted on one side of the first fixed cylinder (3); a dividing plate (5) is fixedly connected to one side of the worm gear (4); six evenly distributed slide grooves (7) are provided on one side of the dividing plate (5); a guide groove (8) is provided on one end of the slide groove (7) close to the center of the dividing plate (5); a groove (9) is provided on one end of the guide groove (8) close to the center of the dividing plate (5); a second motor (10) is fixedly connected to the inner wall of the groove (9); an output shaft of the second motor (10) is close to the center of the dividing plate (5). A screw rod (11) is fixedly connected to one end of the axis, a threaded sleeve (13) is movably mounted on the outer wall of the screw rod (11), a guide block (14) is fixedly connected to one side of the threaded sleeve (13), a first fixing ring (15) is fixedly connected to one side of the guide block (14), a third motor (17) is fixedly connected to the center of one side of the guide block (14), a second fixing cylinder (16) is fixedly connected to one side of the first fixing ring (15), the third motor (17) is located inside the second fixing cylinder (16), a sleeve body (18) is fixedly connected to one side of the output shaft of the third motor (17), and a first inner hexagonal groove (19) is provided on one side of the sleeve body (18); The brake mechanism (2) comprises a bracket (201), a first motor (202), a bearing seat (203) and a worm (204); the bracket (201) is fixedly connected to one side of the fixed plate (1); the first motor (202) is fixedly connected to the right end of the bracket (201); two bearing seats (203) are fixedly connected to the lower end of the bracket (201); the two bearing seats (203) are located to the left of the first motor (202); the worm (204) is rotatably mounted on the inner walls of the two bearing seats (203); the output shaft of the first motor (202) passes through the bracket (201) and is fixedly connected to the right end of the worm (204); the worm (204) and the worm wheel (4) are meshed with each other.
2. The automatic indexing device for tightening sleeve according to claim 1, characterized in that: A linear module (6) is arranged below the fixed plate (1), and the upper end of the movable end of the linear module (6) is fixedly connected to the lower end of the fixed plate (1).
3. The automatic indexing device for tightening sleeve according to claim 1, characterized in that: The slide groove (7) penetrates the side wall of the indexing plate (5), the guide groove (8) penetrates the side wall of the indexing plate (5), and the guide groove (8) and the slide groove (7) together form a T-shaped groove body structure.
4. The automatic indexing device for tightening sleeve according to claim 1, characterized in that: The side wall of the indexing plate (5) is provided with evenly distributed scale grooves (12).
5. The automatic indexing device for tightening sleeve according to claim 1, characterized in that: The guide block (14) is slidably disposed on the inner wall of the guide groove (8), and the first fixing ring (15) is slidably disposed on the inner wall of the slide groove (7).
6. The automatic indexing device for tightening sleeve according to claim 1, characterized in that: The side wall of the sleeve body (18) is in close contact with the inner wall of the second fixing tube (16).
7. The automatic indexing device for tightening sleeve according to claim 1, characterized in that: A second fixing ring (20) is fixedly connected to the middle of the side wall of the sleeve body (18), and four locking screws (21) are threadedly installed on one side of the second fixing ring (20). A first internally threaded tube (22) is threadedly installed on the outer wall of one end of the sleeve body (18) away from the guide block (14), and a third fixing tube (23) is fixedly connected to the outer wall of one end of the first internally threaded tube (22) away from the guide block (14). A second internal hexagonal groove (24) is penetrated through the center of one end of the third fixing tube (23), and the locking screw (21) passes through the second fixing ring (20) and is threadedly installed in the wall layer of the first internally threaded tube (22).
8. The automatic indexing device for tightening sleeve according to claim 1, characterized in that: A second internally threaded barrel (25) is fixedly connected to the center of one side of the dividing plate (5), a mounting column (26) is threadedly mounted on the inner wall of the second internally threaded barrel (25), and a third internal hexagonal groove (27) is formed at one end of the mounting column (26).
Citation Information
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