A nut assembly fixture for ball screw
By designing a protective mechanism in the nut assembly fixture for ball screws, using the coordination of installation holes, protective shells, installation grooves, round rods, clamps, springs and limit blocks, the problem of insufficient self-protection function of nut assembly fixtures in the prior art is solved, and the long life of the fixture is achieved.
Patent Information
- Application Number
- CN202421378628.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-17
AI Technical Summary
The existing ball screw nut assembly fixtures have poor self-protection functions when placed on hold, and are prone to damage due to collision or drop, resulting in a reduced service life.
A nut assembly fixture including a fixture mechanism and a protective mechanism is designed. The protection mechanism consists of installation holes, protective shells, installation grooves, round rods, clamps, springs and limit blocks. Through the cooperation of these components, the clamp mechanism is protected and damaged is prevented.
It improves the self-protection function of nut assembly fixtures, extends its service life, and ensures that the fixture can effectively protect itself when not in use and avoid accidental damage.
Smart Images
Figure CN222741308U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ball screw nut assembly, in particular to a nut assembly fixture for a ball screw. Background Art
[0002] The ball screw is composed of a screw, a nut and a ball. The nut is a component used in conjunction with the ball screw. When assembling the nut of the screw on the ball screw, the staff generally use a nut assembly fixture, which allows the nut with the ball to be quickly installed on the screw.
[0003] The existing nut assembly fixture for ball screws can quickly install the nut with the ball on the screw on the ball screw to improve work efficiency. However, the self-protection function of the nut assembly fixture when shelved is poor. When the assembly fixture is hit by an object or falls from a height, the nut assembly fixture with poor automatic protection ability will be damaged, resulting in a reduction in the service life of the nut assembly fixture.
[0004] Therefore, it is necessary to propose a new ball screw nut assembly fixture to solve the above-mentioned technical problems. Utility Model Content
[0005] The purpose of the utility model is to solve the problem that the existing nut assembly fixture for ball screw in the prior art has poor self-protection function when it is put aside. When the assembly fixture is hit by an object or falls from a height, the nut assembly fixture with poor automatic protection ability will be damaged, thereby reducing the service life of the nut assembly fixture. A nut assembly fixture for ball screw is proposed.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a nut assembly fixture for a ball screw, comprising: a fixture mechanism, wherein a protection mechanism is provided on the fixture mechanism;
[0007] The protection mechanism includes two mounting holes, a protection shell and two mounting grooves, each of the mounting holes is movably sleeved with a round rod, the inner walls of the two mounting grooves are provided with cylindrical grooves, the interior of each cylindrical groove is movably sleeved with a clamping block between the interior of each mounting groove, springs are provided at opposite ends of the two clamping blocks, the front surface of the inner wall of each mounting groove and the rear surface of the inner wall of each mounting groove are provided with a rectangular groove, the four rectangular grooves are divided into two groups, and a limiting block is provided between the interiors of each group of rectangular grooves.
[0008] Preferably, the opposite ends of the two blocks are movably penetrated through the outer surfaces of the two round rods, the opposite ends of the two springs are respectively installed on the surfaces of the two blocks, and the opposite ends of the two springs are respectively installed on the inner walls of the two installation grooves.
[0009] Preferably, the tops of the two round rods are fixed to the top of the inner wall of the protective shell, and the two mounting holes are respectively opened at the tops of the inner walls of the two mounting grooves.
[0010] Preferably, the clamp mechanism comprises a rectangular block and two clamping blocks, the rectangular block is movably sleeved inside the protective shell, the two mounting grooves are symmetrically opened on the top of the rectangular block, and a sliding groove is opened on the top of the rectangular block.
[0011] Preferably, a slider is slidably connected inside the slide groove, a cylindrical hole is opened on one side of the slider, a movable frame is movably sleeved inside the cylindrical hole, and a rubber plug is installed on the movable frame.
[0012] Preferably, the bottom of one of the clamping blocks is fixed to the top of the rectangular block, a connecting block is fixed to the top of the rectangular block, and a T-shaped screw is threadedly penetrated through the front surface of the connecting block.
[0013] Preferably, one end of the T-shaped screw is rotatably connected to the surface of another connecting block through a bearing, and the bottom of the other connecting block is in contact with the top of the rectangular block.
[0014] Compared with the prior art, the advantages and positive effects of the utility model are:
[0015] 1. In the utility model, by setting a protection mechanism, the self-protection function of the nut assembly fixture can be improved, thereby increasing the service life of the nut assembly fixture. Under the action of the protective shell, the components on the rectangular block can be protected. Through the cooperation of the round rod, spring, limit block, limit groove and clamping block, the protective shell can be prevented from being removed from the rectangular block.
[0016] 2. In the utility model, by setting up a clamp mechanism, the nut with ball bearings can be quickly assembled to the screw on the ball screw. The screw on the ball screw can be fixed by the cooperation of the clamp block, rectangular block, connecting block, T-shaped screw and bearing. The sleeve can be prevented from automatically moving out of the nut with ball bearings by the cooperation of the cylindrical hole, movable frame and rubber plug. The vertical movement of the nut with ball bearings can be ensured by the cooperation of the slide groove and the slider. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 A partially cutaway stereoscopic diagram of a nut assembly fixture for a ball screw is provided in the utility model;
[0018] Figure 2 The utility model provides a three-dimensional diagram of a nut assembly fixture for a ball screw from a bottom angle;
[0019] Figure 3A partial three-dimensional view from a top view of a nut assembly fixture for a ball screw provided by the utility model;
[0020] Figure 4 The utility model proposes a nut assembly fixture for a ball screw Figure 2 Enlarged stereogram of point A in the middle.
[0021] Legend: 1. Clamp mechanism; 101. Rectangular block; 102. Slide groove; 103. Slider; 104. Cylindrical hole; 105. Moving frame; 106. Rubber plug; 107. Clamp block; 108. Connecting block; 109. T-shaped screw; 2. Protection mechanism; 201. Mounting hole; 202. Protection shell; 203. Round rod; 204. Cylindrical groove; 205. Block; 206. Spring; 207. Rectangular groove; 208. Limit block; 209. Mounting groove. DETAILED DESCRIPTION
[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0024] like Figure 1-Figure 4 As shown, the utility model provides a nut assembly fixture for a ball screw, comprising: a fixture mechanism 1, on which a protection mechanism 2 is arranged;
[0025] The protection mechanism 2 includes two mounting holes 201, a protection shell 202 and two mounting grooves 209. A round rod 203 is movably sleeved inside each mounting hole 201. A cylindrical groove 204 is provided on the inner wall of each mounting groove 209. A clamping block 205 is movably sleeved between the inner wall of each cylindrical groove 204 and the inner wall of each mounting groove 209. A spring 206 is provided at the opposite end of the two clamping blocks 205. The inner wall positive surface of each mounting groove 209 and each mounting groove 209 are connected to each other. The inner wall rear surface is provided with rectangular grooves 207, and the four rectangular grooves 207 are divided into two groups. A limit block 208 is arranged between the inner parts of each group of rectangular grooves 207. The opposite ends of the two clamping blocks 205 are movable through the outer surfaces of the two round rods 203. The opposite ends of the two springs 206 are respectively installed on the surfaces of the two clamping blocks 205. The opposite ends of the two springs 206 are respectively installed on the inner walls of the two installation grooves 209. The tops of the two round rods 203 are respectively connected to the protective shell 209. 2, the two mounting holes 201 are respectively opened at the top of the inner walls of the two mounting grooves 209, the clamp mechanism 1 comprises a rectangular block 101 and two clamping blocks 107, the rectangular block 101 is movably sleeved inside the protective shell 202, the two mounting grooves 209 are symmetrically opened at the top of the rectangular block 101, a slide groove 102 is opened at the top of the rectangular block 101, a slider 103 is slidably connected inside the slide groove 102, a cylindrical hole 104 is opened on one side of the slider 103, and the cylindrical hole The internal movable sleeve of 104 is connected with a movable frame 105, and a rubber plug 106 is installed on the movable frame 105. The bottom of one clamping block 107 is fixed to the top of the rectangular block 101, and a connecting block 108 is fixed to the top of the rectangular block 101. A T-shaped screw 109 is threaded through the front surface of the connecting block 108, and one end of the T-shaped screw 109 is rotatably connected to the surface of another connecting block 108 through a bearing, and the bottom of the other connecting block 108 is in contact with the top of the rectangular block 101.
[0026] The effect achieved is that when the nut assembly operation is required, the connection block 108, the bearing and the T-shaped screw 109 are first used to separate the clamping block 107 connected thereto from the clamping block 107 fixed on the rectangular block 101, and then the screw is placed between the two clamping blocks 107, and then the moved clamping block 107 is reset to its original position to fix the screw, and then the slider 103 is moved in the direction away from the clamping block 107 inside the slide groove 102. At this time, the moving slider 103 will drive the moving frame 105 and the rubber plug 106 to move at the same time with the cooperation of the cylindrical hole 104. When the slider 103 moves to a point where it cannot move, the sleeve with the shaft is directly The nut with the sleeve and the ball is sleeved inside the through hole of the slider 103, and then the rubber plug 106 is sleeved on the sleeve, and then the slider 103 is reset and moved. At this time, the moving slider 103 will drive the fixed nut with the sleeve and the ball to move under the cooperation of the slide groove 102, the moving frame 105, the cylindrical hole 104 and the rubber plug 106. When the sleeve is sleeved on one end of the screw, continue to move the slider 103. When the nut contacts one end of the screw, turn the nut and continue to move the slider 103. When the nut with the ball is completely assembled on the screw, directly remove the sleeve from the rubber plug 106, and then the assembled ball screw Just remove it from between the two clamping blocks 107. When the nut assembly fixture is not in use, the protective shell 202 is used to drive the two round rods 203 to be installed in the two mounting holes 201 respectively. When the round rod 203 completes the installation operation, the rectangular block 101 is just completely covered in the protective shell 202. Then the two limit blocks 208 are removed from between the inside of the corresponding set of rectangular grooves 207. When the limit blocks 208 are moved out from between the inside of the corresponding set of rectangular grooves 207, each block 205 will move in cooperation with the corresponding mounting groove 209 and cylindrical groove 204. When the two blocks 205 complete the reset movement, At this time, the opposite ends of the two clamping blocks 205 just move to the inside of the two round rods 203 respectively, and the protective shell 202 can be fixed at this time, and then the two limit blocks 208 can be reset to their original positions. When they need to be used again, the two limit blocks 208 are first removed from the inside of the corresponding set of rectangular grooves 207, and then the two clamping blocks 205 are reset and moved. At this time, each clamping block 205 that moves causes the spring 206 connected thereto to be compressed. When the two clamping blocks 205 have completed the reset movement, the two limit blocks 208 are reset to their original positions, that is, the limit blocks 208 are used to prevent the spring 206 from driving the clamping blocks 205 to move.
[0027] The limit block 208 is composed of a rectangular plate and two rubber damping sheets. The rectangular plate is located between the two rubber damping sheets, and the three are fixed by bonding.
[0028] Working principle: When the nut assembly operation is required, the connection block 108, the bearing and the T-shaped screw 109 are first used to separate the clamp block 107 connected thereto from the clamp block 107 fixed on the rectangular block 101, and then the screw is placed between the two clamp blocks 107, and then the moved clamp block 107 is reset to its original position to fix the screw, and then the slider 103 is moved in the direction away from the clamp block 107 inside the slide groove 102. At this time, the moving slider 103 will drive the moving frame 105 and the rubber plug 106 to move at the same time with the cooperation of the cylindrical hole 104. When the slider 103 moves to a point where it cannot move, the sleeved and The nut with the ball is sleeved inside the through hole of the slider 103, and then the rubber plug 106 is sleeved on the sleeve, and then the slider 103 is reset and moved. At this time, the moving slider 103 will drive the fixed nut with the sleeve and the ball to move under the cooperation of the slide groove 102, the moving frame 105, the cylindrical hole 104 and the rubber plug 106. When the sleeve is sleeved on one end of the screw, the slider 103 continues to move. When the nut contacts one end of the screw, the nut is turned and the slider 103 continues to move. When the nut with the ball is completely assembled on the screw, the sleeve is directly removed from the rubber plug 106, and then the assembled ball screw is removed from both sides. When the nut assembly fixture is not in use, the protective shell 202 is used to drive the two round rods 203 to be installed in the two mounting holes 201 respectively. When the round rod 203 completes the installation operation, the rectangular block 101 is just completely covered in the protective shell 202. Then the two limit blocks 208 are removed from the corresponding set of rectangular grooves 207 respectively. When the limit blocks 208 are moved out from the corresponding set of rectangular grooves 207, each block 205 will move in cooperation with the corresponding mounting groove 209 and cylindrical groove 204. When the two blocks 205 complete the reset movement, the When the two clamping blocks 205 are in contact with each other, the opposite ends of the two clamping blocks 205 just move to the inside of the two round rods 203 respectively, and the protective shell 202 can be fixed at this time, and then the two limit blocks 208 can be reset to their original positions. When they need to be used again, the two limit blocks 208 are first removed from the inside of the corresponding set of rectangular grooves 207, and then the two clamping blocks 205 are reset and moved. At this time, each clamping block 205 that moves causes the spring 206 connected thereto to be compressed. When the two clamping blocks 205 have completed the reset movement, the two limit blocks 208 are reset to their original positions, that is, the limit blocks 208 are used to prevent the spring 206 from driving the clamping blocks 205 to move.
[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A nut assembly fixture for a ball screw, characterized in that: include: A clamping mechanism (1), wherein a protection mechanism (2) is provided on the clamping mechanism (1); The protection mechanism (2) comprises two mounting holes (201), a protection shell (202) and two mounting grooves (209); a round rod (203) is movably sleeved inside each mounting hole (201); a cylindrical groove (204) is provided on the inner walls of the two mounting grooves (209); a clamping block (205) is movably sleeved between the inside of each cylindrical groove (204) and the inside of each mounting groove (209); a spring (206) is provided at the opposite ends of the two clamping blocks (205); a rectangular groove (207) is provided on the front surface of the inner wall of each mounting groove (209) and the rear surface of the inner wall of each mounting groove (209); the four rectangular grooves (207) are divided into two groups; a limiting block (208) is provided between the insides of each group of rectangular grooves (207).
2. The nut assembly fixture for ball screw according to claim 1, characterized in that: The opposite ends of the two clamping blocks (205) are movably inserted through the outer surfaces of the two round rods (203), the opposite ends of the two springs (206) are respectively installed on the surfaces of the two clamping blocks (205), and the opposite ends of the two springs (206) are respectively installed on the inner walls of the two installation grooves (209).
3. The nut assembly fixture for ball screw according to claim 1, characterized in that: The tops of the two round rods (203) are fixed to the top of the inner wall of the protective shell (202), and the two mounting holes (201) are respectively opened at the tops of the inner walls of the two mounting grooves (209).
4. The nut assembly fixture for ball screw according to claim 1, characterized in that: The clamp mechanism (1) comprises a rectangular block (101) and two clamping blocks (107); the rectangular block (101) is movably sleeved inside the protective shell (202); the two mounting grooves (209) are symmetrically arranged on the top of the rectangular block (101); and a sliding groove (102) is arranged on the top of the rectangular block (101).
5. The nut assembly fixture for ball screw according to claim 4, characterized in that: The slide groove (102) is slidably connected to a slider (103) on one side of the slider (103). A movable frame (105) is movably sleeved inside the cylindrical hole (104). A rubber plug (106) is installed on the movable frame (105).
6. The nut assembly fixture for ball screw according to claim 4, characterized in that: The bottom of one of the clamping blocks (107) is fixed to the top of the rectangular block (101), a connecting block (108) is fixed to the top of the rectangular block (101), and a T-shaped screw (109) is threadedly penetrated through the front surface of the connecting block (108).
7. The nut assembly fixture for ball screw according to claim 6, characterized in that: One end of the T-shaped screw rod (109) is rotatably connected to the surface of another connecting block (108) through a bearing, and the bottom of the other connecting block (108) is in contact with the top of the rectangular block (101).