Automatic sleeve replacing structure for tightening shaft

Abstract

The utility model discloses an automatic sleeve replacing structure for a tightening shaft, and relates to the technical field of intelligent manufacturing production lines, the automatic sleeve replacing structure comprises a quick replacing device, the quick replacing device comprises a sleeve body, locking grooves are formed in the two side walls of the sleeve body, two locking steel balls are installed in the two locking grooves in a sliding mode, and the two locking steel balls are arranged in the sleeve body. The quick-changing device comprises a sleeve body, a quick-inserting shaft is installed in the sleeve body in a sliding mode, a clamping groove is formed in the outer surface of the quick-inserting shaft, the quick-changing device further comprises an unlocking and locking assembly, and the unlocking and locking assembly is arranged on the sleeve body and used for unlocking or locking the quick-inserting shaft. The problem that manual replacement is needed in a traditional sleeve replacement structure is solved, automatic sleeve unlocking and rapid sleeve replacement are achieved through a robot and other moving mechanisms, meanwhile, the rapid replacement structure has a self-locking function, the efficiency of automation equipment is greatly improved, and various use scenes needing automatic sleeve replacement are met.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent manufacturing production lines, in particular to an automatic sleeve changing structure for a tightening shaft. Background Art

[0002] With the development of modernization, the manufacturing industry has higher and higher requirements for automation level. In the field of automated assembly and manufacturing technology, screw tightening is one of the most basic assembly processes, and its degree of automation directly affects production efficiency and quality.

[0003] Traditional methods of replacing tightening shaft sleeves mostly rely on manual operation, which is not only time-consuming and labor-intensive, but also prone to errors due to human factors, reducing the overall efficiency of automated equipment. Especially in application scenarios where sleeves need to be replaced frequently, manual replacement methods are obviously unable to meet the requirements of efficient and accurate production. In addition, existing automatic sleeve changing structures often do not have a self-locking function, and additional locking devices are required to achieve self-locking, which not only increases the complexity of the structure, but also leads to safety hazards during manual sleeve replacement.

[0004] Therefore, based on the above search and in combination with the prior art, a tightening shaft automatic sleeve changing structure is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a structure for automatically changing sleeves of a tightening shaft, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A structure for automatically changing sleeves for a tightening shaft comprises: a quick-changing device, the quick-changing device comprising: a sleeve body, both side walls of the sleeve body being provided with locking grooves, two locking steel balls being slidably installed inside the two locking grooves, a quick-insertion shaft being slidably installed inside the sleeve body, a card slot being provided on the outer surface of the quick-insertion shaft, the quick-changing device further comprising an unlocking and locking assembly, the unlocking and locking assembly being arranged on the sleeve body and being used to unlock or lock the quick-insertion shaft.

[0008] Preferably, the unlocking and locking assembly includes: connecting ring 1, which is arranged on the sleeve body, connecting ring 2 is arranged on one side of connecting ring 1, and a plurality of installation grooves and limit grooves are opened on the surface of connecting ring 2 adjacent to connecting ring 1.

[0009] Preferably, the unlocking and locking assembly also includes: a plurality of connecting columns, which are arranged between connecting ring one and connecting ring two and cooperate with the mounting grooves, and springs are fixedly installed on both side walls of the connecting columns and the locking steel balls, and a plurality of limiting columns are arranged between connecting ring one and connecting ring two, and the limiting columns cooperate with the limiting grooves.

[0010] Preferably, the side walls of the connecting ring 1 and the connecting ring 2 are both provided with through grooves, and the diameter of the through grooves is the same as the diameter of the outer surface of the sleeve body.

[0011] Preferably, an unlocking block is provided on one side of the connecting ring 2, and the surface adjacent to the connecting ring 2 is inclined.

[0012] Preferably, the locking steel ball and the slot cooperate with each other and have the same inner diameter.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] By providing a quick-change device, the problem of manual replacement of the traditional sleeve replacement structure is solved. The structure realizes automatic unlocking of the sleeve and quick replacement of the sleeve through mobile mechanisms such as robots. At the same time, the quick-change structure has a self-locking function, which greatly improves the efficiency of the automation equipment and meets various usage scenarios that require automatic sleeve replacement. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the explosion structure of the unlocking and locking assembly of the utility model;

[0018] Figure 4 This is a schematic diagram of the split structure of the locking steel ball of the utility model;

[0019] Figure 5 This is a schematic diagram of the planar structure of the utility model.

[0020] In the figure: 1. Sleeve body; 2. Locking groove; 3. Locking steel ball; 4. Connecting ring 1; 5. Connecting ring 2; 6. Mounting groove; 7. Limiting groove; 8. Connecting column; 9. Limiting column; 10. Spring; 11. Through groove; 12. Quick-insert shaft; 13. Slot; 14. Unlocking block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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.

[0022] In a typical implementation of this application, please refer to Figures 1 to 5 As shown, a structure for automatically changing sleeves for a tightening shaft includes: a quick-changing device, the quick-changing device includes: a sleeve body 1, locking grooves 2 are provided on both side walls of the sleeve body 1, two locking steel balls 3 are slidably installed inside the two locking grooves 2, a quick-insertion shaft 12 is slidably installed inside the sleeve body 1, and a card groove 13 is provided on the outer surface of the quick-insertion shaft 12. The quick-changing device also includes an unlocking and locking assembly, which is arranged on the sleeve body 1 and is used to unlock or lock the quick-insertion shaft 12.

[0023] As a preferred implementation in this embodiment, please refer to Figure 3 As shown, the unlocking and locking assembly includes: a connecting ring 4, which is arranged on the sleeve body 1, and a connecting ring 2 5 is provided on one side of the connecting ring 4, and a plurality of mounting grooves 6 and limiting grooves 7 are provided on the surface of the connecting ring 2 5 adjacent to the connecting ring 1 4. The unlocking and locking also includes: a plurality of connecting columns 8, which are arranged between the connecting ring 1 4 and the connecting ring 2 5, and cooperate with the mounting grooves 6. Springs 10 are fixedly installed on both side walls of the connecting column 8 and the locking steel ball 3, and a plurality of limiting columns 9 are provided between the connecting ring 1 4 and the connecting ring 2 5. The limiting columns 9 cooperate with the limiting grooves 7.

[0024] Specifically, the unlocking and locking assembly is placed into the unlocking block 14 along the groove. When the unlocking and locking assembly reaches the bottom of the unlocking block 14, the unlocking block 14 will squeeze the connecting ring 2 5 to deform the springs 10 on both sides of the connecting column 8, so that the connecting ring 2 5 fits the connecting ring 1 4, and the inner wall of the through groove 11 on the connecting ring 2 5 squeezes the locking steel ball 3 in the locking groove 2, so that the locking steel ball 3 shrinks into the inside of the locking groove 2, thereby unlocking the workpiece. At this time, the quick-insertion shaft 12 can be pulled out, and then the quick-insertion shaft 12 is inserted into another set of quick-changing devices. The quick-changing device is pulled out of the unlocking block 14, and the locking steel ball 3 is self-locking, and the new sleeve body 1 can be automatically replaced.

[0025] As a preferred implementation in this embodiment, please refer to Figure 3 As shown, the side walls of the connecting ring 1 4 and the connecting ring 2 5 are both provided with a through groove 11 , the diameter of the through groove 11 is the same as the diameter of the outer surface of the sleeve body 1 , and the connecting ring 1 4 and the connecting ring 2 5 are both sleeved on the outer surface of the sleeve body 1 .

[0026] As a preferred implementation in this embodiment, please refer to Figure 1 As shown, an unlocking block 14 is provided on one side of the second connecting ring 5, and the surface adjacent to the second connecting ring 5 is inclined.

[0027] As a preferred implementation in this embodiment, please refer to Figure 2 、 Figure 4 and Figure 5 As shown, the locking steel ball 3 and the card slot 13 cooperate with each other and have the same inner diameter. The locking steel ball 3 can be engaged in the card slot 13, or the locking assembly can be unlocked to retract the locking steel ball 3 into the locking slot 2, so that the locking steel ball 3 cancels the limit of the card slot 13, thereby allowing the quick-insert shaft 12 to slide out of the sleeve body 1.

[0028] Working principle:

[0029] When in use, first assemble the sleeve body 1 and the quick-change shaft 12 in the quick-change device. Locking grooves 2 are provided on both side walls of the sleeve body 1. Two locking steel balls 3 are slidably installed inside the locking grooves 2. When the quick-change shaft 12 is inserted into the sleeve body 1, the grooves 13 on the outer surface of the quick-change shaft 12 will meet the locking steel balls 3. Since the locking steel balls 3 and the grooves 13 have the same inner diameter, the locking steel balls 3 will be squeezed into the grooves 13 under the action of the spring 10, thereby realizing the locking of the quick-change shaft 12 and the sleeve body 1. In order to release the quick-change shaft 12 The lock requires the use of an unlocking and locking assembly, which includes a connecting ring 1 4 and a connecting ring 2 5, which are respectively arranged on the sleeve body 1. A plurality of mounting grooves 6 and limit grooves 7 are provided on the surface adjacent to the connecting ring 2 5 and the connecting ring 1 4, and a connecting column 8 is provided between the connecting ring 1 4 and the connecting ring 2 5 and cooperates with the mounting groove 6. The two side walls of the connecting column 8 are fixedly installed with springs 10, so that there is a certain elasticity between the connecting ring 1 4 and the connecting ring 2 5. In addition, a limit column 9 is also provided between the connecting ring 1 4 and the connecting ring 2 5. The limiting column 9 cooperates with the limiting groove 7 to ensure the stability of the connecting ring 1 4 and the connecting ring 2 5 during the unlocking process. During the unlocking process, the unlocking and locking assembly is placed into the unlocking block 14 along the groove. One side of the unlocking block 14 is inclined to the surface adjacent to the connecting ring 2 5. This makes it possible that when the unlocking and locking assembly reaches the bottom of the unlocking block 14, the unlocking block 14 will squeeze the connecting ring 2 5, causing the springs 10 on both sides of the connecting column 8 to deform under stress. The deformation of the spring 10 causes the connecting ring 2 5 to fit the connecting ring 1 4. At this time, the inner wall of the through groove 11 on the connecting ring 2 5 will press against the The locking steel ball 3 in the locking groove 2 is squeezed, so that the locking steel ball 3 shrinks into the interior of the locking groove 2. This action unlocks the quick-connect shaft 12. At this time, the quick-connect shaft 12 can be easily pulled out. After the quick-connect shaft 12 is unlocked and pulled out, it can be inserted into another set of quick-change devices. Then, the quick-change device is slid out of the unlocking block 14. During the slid-out process, the locking steel ball 3 will pop out again under the action of the spring 10 and cooperate with the card slot 13 on the new quick-connect shaft 12 to achieve new locking. In this way, the automatic replacement of the sleeve body 1 is completed.

[0030] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tightening shaft automatic sleeve changing structure, characterized by: include: A quick-change device comprises: a sleeve body (1), both side walls of the sleeve body (1) are provided with locking grooves (2), two locking steel balls (3) are slidably installed inside the two locking grooves (2), a quick-connect shaft (12) is slidably installed inside the sleeve body (1), and a card slot (13) is provided on the outer surface of the quick-connect shaft (12), and the quick-change device also comprises an unlocking and locking assembly, which is arranged on the sleeve body (1) and is used to unlock or lock the quick-connect shaft (12).

2. The automatic sleeve changing structure for a tightening shaft according to claim 1, characterized in that: The unlocking and locking components include: A connecting ring (4) is provided on the sleeve body (1), a connecting ring (5) is provided on one side of the connecting ring (4), and a plurality of mounting grooves (6) and limiting grooves (7) are provided on the surface of the connecting ring (5) adjacent to the connecting ring (4).

3. The automatic sleeve changing structure for a tightening shaft according to claim 2, characterized in that: The unlocking and locking assembly also includes: A plurality of connecting columns (8) are provided between the connecting ring 1 (4) and the connecting ring 2 (5), and cooperate with the mounting groove (6). Springs (10) are fixedly installed on both side walls of the connecting column (8) and the locking steel ball (3). A plurality of limiting columns (9) are provided between the connecting ring 1 (4) and the connecting ring 2 (5), and the limiting columns (9) cooperate with the limiting groove (7).

4. The automatic sleeve changing structure for a tightening shaft according to claim 2, characterized in that: The side walls of the connecting ring 1 (4) and the connecting ring 2 (5) are both provided with through grooves (11), and the diameter of the through grooves (11) is the same as the diameter of the outer surface of the sleeve body (1).

5. The automatic sleeve changing structure for a tightening shaft according to claim 2, characterized in that: An unlocking block (14) is provided on one side of the second connecting ring (5), and the surface adjacent to the second connecting ring (5) is inclined.

6. The automatic sleeve changing structure for a tightening shaft according to claim 1, characterized in that: The locking steel ball (3) and the clamping groove (13) cooperate with each other and have the same inner diameter.

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