Screw replacement structure for machine tool

Abstract

The utility model relates to machine tool technical field discloses a machine tool screw replacement structure, including bearing seat: one end of bearing seat is installed with two clamping sleeves, two clamping sleeves are semicircular structure, and the side away from bearing seat of clamping sleeve installs limit round block, and the side close to clamping sleeve of bearing seat is provided with installation groove, and the opposite face of two clamping sleeves all is provided with clamping groove, and the diameter of clamping groove and installation groove is same, and the surface of limit round block is provided with through -hole, and the diameter of through -hole and installation groove is same, and the inside fixed with the clamping strip of clamping groove of screw cooperation uses, and the side close to bearing seat of limit round block is fixed with a plurality of first limit post. The machine tool screw replacement structure, through the setting of limiting mechanism, makes the whole replacement process more simple and convenient, and can not borrow a variety of special tools and carry out tedious operation, greatly improves the efficiency of replacement.

Description

Technical Field

[0001] This utility model relates to the field of machine tool technology, and in particular to a screw replacement structure for machine tools. Background Technology

[0002] A lathe is a machine tool that mainly uses a cutting tool to turn rotating workpieces. Drills, reamers, taps, dies, and knurling tools can also be used on a lathe for corresponding machining. Lathes are mainly used to machine shafts, discs, sleeves, and other workpieces with rotating surfaces, and are the most widely used type of machine tool in machinery manufacturing and repair shops.

[0003] Regarding the above and existing related technologies, the inventors believe that the following defects often exist: In the current process of installing and disassembling ball screws for machine tools, it is necessary to rely on a variety of special tools to perform graded operations on multiple sets of bolts and nuts of bearing housing, coupling and nut housing. The complicated tool set leads to long preparation time, and the repeated switching of tools and graded tightening / loosening operations significantly reduce maintenance efficiency. Utility Model Content

[0004] The technical problem to be solved by this utility model is that the existing technology has the disadvantage of the operation process of screw replacement being too complicated and inefficient. To this end, we propose a screw replacement structure for machine tools.

[0005] To achieve the above objectives, this application adopts the following technical solution: a screw replacement structure for a machine tool, comprising a bearing housing: two clamping sleeves are installed at one end of the bearing housing, both clamping sleeves are semi-circular structures, a limiting block is installed on the side of the clamping sleeve away from the bearing housing, an installation groove is provided on the side of the bearing housing near the clamping sleeve, clamping grooves are provided on the facing surfaces of the two clamping sleeves, the clamping grooves have the same diameter as the installation grooves, a through hole is provided on the surface of the limiting block, the through hole has the same diameter as the installation groove, a clamping strip for use with the screw is fixed inside the clamping groove, a plurality of first limiting posts are fixed on the side of the limiting block near the bearing housing, a plurality of first limiting holes for use with the first limiting posts are provided at the end of the bearing housing near the limiting block, the other end of the first limiting post passes through the clamping sleeve and is slidably connected to the first limiting hole, and grooves are provided on both sides of the bearing housing, the grooves having an arc-shaped structure;

[0006] The groove is equipped with a limiting mechanism for limiting the first limiting post.

[0007] Preferably, the limiting mechanism includes a fixing block installed inside the groove, a fixing groove for cooperating with the fixing block is opened on the surface of the first limiting post, two guide holes are opened on one side of the groove, a fixing post is slidably connected inside the guide holes, a control rod is fixed on the surface of the fixing post, a stroke groove for cooperating with the control rod is opened on the surface of the bearing seat, the length of the control rod is the same as the depth of the stroke groove, and a fixing hole for slidably connecting with the fixing post is opened on the side of the fixing block near the fixing post.

[0008] Preferably, the clamping sleeve has two second limiting posts fixed on the side near the bearing housing, and the bearing housing has a second limiting hole that is slidably connected to the second limiting posts at the end near the clamping sleeve.

[0009] Preferably, a spring is fixed to the end of the fixing post away from the fixing block, and the other end of the spring is fixed to the inside of the guide hole.

[0010] Preferably, a connecting groove is provided at the end of the control rod away from the fixed post, a connecting rod is inserted into the connecting groove, and a control block is fixed at the other end of the connecting rod.

[0011] Preferably, control grooves are provided at both ends of the fixing block, and the control grooves are L-shaped.

[0012] Preferably, the fixing block has an arc-shaped structure, and the thickness of the fixing block is the same as the depth of the fixing block.

[0013] The technical effects and advantages of this utility model are as follows:

[0014] In this invention, the setting of the limiting mechanism makes the overall replacement process simpler and more convenient, and eliminates the need for cumbersome operations using multiple special tools, thus greatly improving the efficiency of replacement. Attached Figure Description

[0015] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts:

[0016] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0018] Figure 3 This is a partial cross-sectional view of the present invention.

[0019] Figure 4 This is a schematic diagram of the internal structure of the guide hole of this utility model;

[0020] Figure 5This is a schematic diagram of the connecting rod and control block structure of this utility model.

[0021] Legend: 1. Bearing housing; 2. Clamping sleeve; 3. Limiting block; 4. Mounting groove; 5. Clamping groove; 6. Through hole; 7. Clamping strip; 8. First limiting post; 9. First limiting hole; 10. Groove; 11. Fixing block; 12. Fixing groove; 13. Second limiting post; 14. Second limiting hole; 15. Guide hole; 16. Fixing post; 17. Control rod; 18. Stroke groove; 19. Fixing hole; 20. Spring; 21. Connecting groove; 22. Connecting rod; 23. Control block; 24. Control groove. Detailed Implementation

[0022] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0023] Reference Figures 1-5As shown, this utility model provides a technical solution: a screw replacement structure for a machine tool, including a bearing housing 1; two clamping sleeves 2 are installed at one end of the bearing housing 1, both clamping sleeves 2 are semi-circular structures, a limiting block 3 is installed on the side of the clamping sleeve 2 away from the bearing housing 1, an installation groove 4 is opened on the side of the bearing housing 1 near the clamping sleeve 2, and clamping grooves 5 are opened on the facing surfaces of the two clamping sleeves 2, the diameter of the clamping grooves 5 and the installation grooves 4 are the same, a through hole 6 is opened on the surface of the limiting block 3, the diameter of the through hole 6 is the same as the installation groove 4, a clamping strip 7 for cooperating with the screw is fixed inside the clamping groove 5, a plurality of first limiting posts 8 are fixed on the side of the limiting block 3 near the bearing housing 1, and a plurality of first limiting posts 8 are opened on the end of the bearing housing 1 near the limiting block 3. The first limiting hole 9 is used in conjunction with the first limiting post 8. The other end of the first limiting post 8 passes through the clamping sleeve 2 and is slidably connected to the first limiting hole 9. Grooves 10 are provided on both sides of the bearing seat 1. The grooves 10 have an arc-shaped structure. A limiting mechanism for limiting the first limiting post 8 is installed inside the grooves 10. The limiting mechanism includes a fixing block 11 installed inside the groove 10. The fixing block 11 has an arc-shaped structure. The thickness of the fixing block 11 is the same as the depth of the fixing block 11. A fixing groove 12 that cooperates with the fixing block 11 is provided on the surface of the first limiting post 8. Two guide holes 15 are provided on one side of the groove 10. A fixing post 16 is slidably connected inside the guide holes 15. A control rod 17 is fixed on the surface of the fixing post 16. A groove 17 that cooperates with the control rod 17 is provided on the surface of the bearing seat 1. The stroke groove 18 is used, and the length of the control rod 17 is the same as the depth of the stroke groove 18. A connecting groove 21 is opened at the end of the control rod 17 away from the fixed post 16. A connecting rod 22 is inserted into the connecting groove 21, and a control block 23 is fixed at the other end of the connecting rod 22. A fixing hole 19 is opened on the side of the fixing block 11 near the fixed post 16, which is slidably connected to the fixed post 16. When the operator replaces the screw, the connecting rod 22 is inserted into the connecting groove 21, and the control rod 17 is controlled by the control block 23 to disengage the fixed post 16 from the fixing hole 19, thereby releasing the limitation on the fixing block 11. After the fixing block 11 is removed from the groove 10, the limitation on the first limiting post 8 is released, allowing the limiting block 3 to be removed. Next, remove the clamping sleeve 2, and then take out the screw. When installing the new screw, first place the limiting block 3 on the surface of the screw, then install the clamping sleeve 2 on both sides of the screw. Use the clamping strip 7 to engage with the reserved groove at the screw connection. Finally, connect the clamping sleeve 2 and the limiting block 3 to the bearing seat 1, so that the first limiting post 8 passes through the clamping sleeve 2 and is inserted into the inside of the first limiting hole 9, preventing the limiting block 3 and the clamping sleeve 2 from rotating. After the first limiting post 8 is inserted into the inside of the first limiting hole 9, the first limiting post 8 is limited by the engagement of the fixing block 11 and the fixing groove 12. Then, the control block 23 and the connecting rod 22 control the control rod 17 to drive the fixing post 16 to be inserted into the inside of the fixing hole 19, thus fixing the fixing block 11.This completes the replacement of the screw. After replacement, the connecting rod 22 is removed from the connecting groove 21, ensuring the outer surface of the bearing housing 1 is flat. This technical solution, through the setting of the limiting mechanism, makes the overall replacement process simpler and more convenient, and eliminates the need for cumbersome operations using multiple special tools, greatly improving replacement efficiency.

[0024] Reference Figure 2 As shown in this embodiment: two second limiting posts 13 are fixed on the side of the clamping sleeve 2 near the bearing seat 1. The bearing seat 1 near the clamping sleeve 2 is provided with a second limiting hole 14 that is slidably connected to the second limiting post 13. By inserting the second limiting post 13 into the second limiting hole 14, the clamping sleeve 2 can be limited, and the pressure is shared with the first limiting post 8, thereby extending the overall service life.

[0025] Reference Figure 5 As shown in this embodiment: a spring 20 is fixed at one end of the fixing post 16 away from the fixing block 11, and the other end of the spring 20 is fixed inside the guide hole 15. When the fixing post 16 is inserted into the inside of the fixing hole 19, the elastic force generated by the spring 20 limits the fixing post 16 to prevent the fixing post 16 from easily detaching from the inside of the fixing hole 19.

[0026] Reference Figure 3 As shown in this embodiment: control grooves 24 are provided at both ends of the fixing block 11. The control grooves 24 are L-shaped structures. The opening of the control grooves 24 provides a gripping place for the fixing block 11 to be easily picked up by the staff.

[0027] Working principle: When replacing the screw, the operator inserts the connecting rod 22 into the connecting groove 21. The control rod 17 is controlled by the control block 23, causing the fixing post 16 to disengage from the fixing hole 19, releasing the limiting position on the fixing block 11. After removing the fixing block 11 from the groove 10, the limiting position on the first limiting post 8 is released, allowing the limiting block 3 to be removed. After removing the limiting block 3, the clamping sleeve 2 is removed, and then the screw is taken out. When installing the new screw, the limiting block 3 is first fitted onto the screw surface, and then the clamping sleeve 2 is installed on both sides of the screw. The clamping strip 7 is used to engage the pre-reserved groove at the screw connection. Finally, the clamping sleeve 2 and the limiting block 3 are connected to the bearing seat 1, allowing the first limiting post 8 to pass through the clamping sleeve 2 and insert into the first limiting hole 9, preventing the limiting block 3 and the clamping sleeve 2 from rotating. The second limiting post 13 is inserted into the second limiting hole 14. This can limit the clamping sleeve 2 and share the pressure of the first limiting post 8, thereby extending the overall service life. When the first limiting post 8 is inserted into the first limiting hole 9, the first limiting post 8 is limited by the engagement of the fixing block 11 and the fixing groove 12. Then, the control block 23 and the connecting rod 22 control the control rod 17 to drive the fixing post 16 into the fixing hole 19 to fix the fixing block 11. When the fixing post 16 is inserted into the fixing hole 19, the elastic force generated by the spring 20 limits the fixing post 16 to prevent the fixing post 16 from easily detaching from the fixing hole 19. After the screw is replaced, the connecting rod 22 is taken out from the connecting groove 21, so that the outer surface of the bearing seat 1 is a flat surface. The opening of the control groove 24 provides a gripping place for the fixing block 11 to be easily picked up by the staff.

[0028] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. A screw replacement structure for a machine tool, characterized in that, The bearing housing includes: two clamping sleeves installed at one end of the bearing housing, both of which are semi-circular structures; a limiting block is installed on the side of the clamping sleeve away from the bearing housing; an installation groove is provided on the side of the bearing housing near the clamping sleeve; clamping grooves are provided on the facing surfaces of the two clamping sleeves, and the clamping grooves have the same diameter as the installation grooves; a through hole is provided on the surface of the limiting block, and the through hole has the same diameter as the installation groove; a clamping strip for use with a screw is fixed inside the clamping groove; multiple first limiting posts are fixed on the side of the limiting block near the bearing housing; multiple first limiting holes for use with the first limiting posts are provided on the end of the bearing housing near the limiting block; the other end of the first limiting post passes through the clamping sleeve and is slidably connected to the first limiting hole; and grooves are provided on both sides of the bearing housing, and the grooves have an arc-shaped structure. The groove is equipped with a limiting mechanism for limiting the first limiting post.

2. The machine tool screw replacement structure according to claim 1, characterized in that: The limiting mechanism includes a fixing block installed inside the groove. The surface of the first limiting post has a fixing groove that cooperates with the fixing block. Two guide holes are opened on one side of the groove. The fixing post is slidably connected inside the guide holes. A control rod is fixed on the surface of the fixing post. The surface of the bearing seat has a stroke groove that cooperates with the control rod. The length of the control rod is the same as the depth of the stroke groove. The side of the fixing block near the fixing post has a fixing hole that is slidably connected to the fixing post.

3. The machine tool screw replacement structure according to claim 1, characterized in that: Two second limiting posts are fixed on the side of the clamping sleeve near the bearing seat, and a second limiting hole is opened at the end of the bearing seat near the clamping sleeve, which is slidably connected to the second limiting posts.

4. The machine tool screw replacement structure according to claim 2, characterized in that: A spring is fixed to one end of the fixing post away from the fixing block, and the other end of the spring is fixed to the inside of the guide hole.

5. The machine tool screw replacement structure according to claim 2, characterized in that: The control rod has a connecting groove at one end away from the fixed column, and a connecting rod is inserted into the connecting groove. A control block is fixed at the other end of the connecting rod.

6. The machine tool screw replacement structure according to claim 2, characterized in that: The fixing block has control slots at both ends, and the control slots are L-shaped.

7. The machine tool screw replacement structure according to claim 2, characterized in that: The fixed block has an arc-shaped structure, and the thickness of the fixed block is the same as the depth of the fixed block.

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