Nut raceway grinding device for ball screw

Abstract

The utility model relates to the technical field of machining devices, in particular to a ball screw nut raceway grinding device which comprises a mounting base. The clamping assembly can be adjusted from a clamping station to a machining station through the fixing assembly, so that feeding of the device is more convenient; a servo motor drives a fixing base to rotate through a rotating shaft, a first grinding block or a second grinding block is switched according to machining requirements, then a linear module transversely moves a mounting plate along a sliding rail, a grinding assembly is driven to one side of a four-claw electric control clamp, and when the grinding assembly works, a controller firstly cuts off a first electric control magnet power supply to release magnetism; the limiting spring extends to push the second electric control magnet to drive the connecting rod to transversely slide along the inner wall of the rotating base, the second electric control magnet is electrified to generate magnetism after being connected with the rotating rod in a sleeving mode and then forms transmission connection with the adsorption magnetic block, finally the driving motor drives the rotating base to drive the grinding assembly to operate, and grinding of the lead screw nut raceway is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing device technical field, concretely is a kind of nut race grinding device of ball screw. BACKGROUND

[0002] Ball screw is a kind of high-precision transmission device, is widely used in numerical control machine tool, automobile, aviation and other fields. Its main function is to convert rotary motion into linear motion, or convert torque into axial repeated force, the structural principle of ball screw nut pair is that nut and screw surface are processed concave arc to form thread raceway, ball is put between rolling to form ball screw pair component, ball is rolled in nut along helix, and nut is moved along screw axial motion.

[0003] But the nut race grinding device of ball screw to the nut race of screw is grinded, since the size model of screw nut is more, the grinding wheel of existing grinding device can only grind fixed size, in the face of different size screw nut, need to stop production and change tool, so that the problem of low grinding efficiency is caused;And the fixture of existing ball screw nut race is located at one side of grinding structure, so that when screw nut is fed and fixed, since the processing gap is small, the problem of inconvenient feeding is caused.

[0004] Therefore, a nut race grinding device of ball screw is needed to improve the above problems. SUMMARY

[0005] In order to solve the problem that the nut race grinding device of ball screw is grinded, in the face of different size screw nut, need to stop production and change tool, so that the problem of low grinding efficiency is caused, the utility model provides a kind of nut race grinding device of ball screw to solve the above problems.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] A kind of nut race grinding device of ball screw, including installation base, the opposite outer wall of installation base is installed with pad, the outer wall of pad is installed with processing base plate, the outer wall of processing base plate is installed with fixed base plate, one side of processing base plate and located the outer wall of pad is installed with fixed column, the outer wall of processing base plate is installed with fixed column, one end of fixed column is installed with controller;

[0008] The base surface of fixed base plate is installed with fixed assembly, one side of fixed assembly and located the outer wall of processing base plate is installed with slide rail, one side of slide rail and located the outer wall of processing base plate is installed with linear module, the moving surface of linear module is provided with mounting plate, the bottom of mounting plate is slidably connected with slide rail, the outer wall of mounting plate is installed with grinding assembly;

[0009] The fixed assembly comprises a fixed plate installed on the outer wall of the fixed base plate, a rotating shaft installed on the side wall of the fixed plate, a clamping plate rotationally connected to the outer wall of the rotating shaft, an installation groove formed on the outer wall of the clamping plate, a rotating rod arranged on the inner wall of the installation groove, an electric control cylinder rotationally connected to the outer wall of the rotating rod, a limiting block rotationally connected to one end of the electric control cylinder, wherein the limiting block is installed on the base surface of the installation base, and a four-jaw electric control clamp is installed on the outer wall of the clamping plate, wherein a screw nut is fixed to the inner wall of the four-jaw electric control clamp.

[0010] As a preferred scheme of the utility model, the grinding assembly comprises a fixed support and a mounting seat, the fixed support is installed on the outer wall of the mounting plate, a driving motor is installed on the outer wall of the fixed support, a rotating base is installed on the driving shaft of the driving motor, and a first electric control magnet is installed on the outer wall of the rotating base.

[0011] As a preferred scheme of the utility model, a connecting rod is slidably connected to one side of the first electric control magnet and the outer wall of the rotating base, a second electric control magnet is installed on one end of the connecting rod, and the second electric control magnet is in a cylindrical structure.

[0012] As a preferred scheme of the utility model, a limiting spring is installed on one side of the connecting rod and the outer wall of the second electric control magnet, the mounting seat is installed on the outer wall of the mounting plate, and the mounting seat is located on one side of the fixed support.

[0013] As a preferred scheme of the utility model, the mounting seat is provided with two groups and is located on the opposite outer walls of the mounting plate, a servo motor is installed on the side wall of the mounting seat, and a rotating shaft is installed on the driving shaft of the servo motor.

[0014] As a preferred scheme of the utility model, one end of the rotating shaft penetrates through the mounting seat and extends to the inner wall of the mounting seat, the connecting mode of the rotating shaft and the mounting seat is rotation connection, the rotating shaft is provided with two groups and is located on the opposite inner walls of the mounting seat, a fixing seat is arranged between the rotating shafts, a rotating rod is rotationally connected to the inner wall of the fixing seat, and magnetically adsorbed blocks are symmetrically arranged on the opposite outer walls of the rotating rod.

[0015] As a preferred scheme of the utility model, a grinding block one is arranged at one end of the rotating rod, the grinding block one is located on one side of the second electric control magnet, a grinding block two is arranged at the other end of the rotating rod, and the grinding block two is located on one side of the screw nut.

[0016] As the preferred scheme of the utility model, the controller is respectively connected with the electric control cylinder, four jaw electric control clamp, drive motor, first electric control magnet, second electric control magnet and servo motor through wires and the connection mode is electric connection, the outer wall of the rotating base is provided with an electric slip ring, the connection mode of the first electric control magnet and the second electric control magnet is magnetic connection, and the connection mode of the second electric control magnet and the magnetic adsorption block is magnetic connection.

[0017] Compared with the prior art, the utility model discloses a fixed assembly is arranged in the nut race grinding device of ball screw, can realize the adjustment of the clamping assembly by clamping station and processing station, is convenient for clamping the screw nut, and the controller controls the operation of the electric control cylinder, when the electric control cylinder operates, the one end of the electric control cylinder will push the clamping plate through the rotating rod, and then the rotating rod exerts the thrust on the clamping plate, and the clamping plate rotates on the outer wall of the rotating shaft, and then the clamping plate moves from the horizontal initial position to the vertical processing position, so that the feeding of the device is more convenient, thereby solving the problem that the existing ball screw nut race clamp is located on one side of the grinding structure, so that when the screw nut is fed and fixed, the small processing gap causes the feeding inconvenient.

[0018] The utility model discloses a grinding assembly is arranged in the nut race grinding device of ball screw, can realize the selection of different size grinding block, first by servo motor drive fixed seat rotation through rotating shaft, according to the processing demand switching grinding block one or grinding block two, subsequently linear module along the slide rail transverse movement mounting panel, drive grinding assembly to four jaw electric control clamp's one side, when the grinding assembly works, the controller first cuts off the first electric control magnet power release magnetism, through the extension of the limit spring, the second electric control magnet is driven to the connecting rod along the inner wall of the rotating base transverse sliding, when the second electric control magnet sleeve joint rotating rod is electrified and generates magnetism, and then and adsorption magnetic block form transmission connection, finally by drive motor drive rotating base drive grinding assembly operation, realize the grinding of screw nut race, thereby solving the problem that the grinding wheel of the existing grinding device can only grind the fixed size, facing different size screw nut, need to stop production and replace the tool, make the grinding efficiency low. ACCURACY OF DRAWINGS

[0019] Figure 1 It is the overall structure schematic view of the utility model;

[0020] Figure 2 It is the grinding assembly planing structure schematic view of the utility model;

[0021] Figure 3 It is the overall structure schematic view of the utility model Figure 2 The A place structure enlarged schematic view of the utility model;

[0022] Figure 4 It is the overall structure schematic view of the utility model Figure 2Enlarged schematic diagram of the structure at point B;

[0023] Figure 5 This utility model Figure 2 A magnified schematic diagram of the structure at point C.

[0024] In the diagram: 1. Mounting base; 2. Pad; 3. Machining base plate; 4. Fixed base plate; 5. Fixed column; 6. Controller; 7. Fixing assembly; 701. Fixing plate; 702. Rotating shaft; 703. Clamping plate; 704. Mounting groove; 705. Rotating rod; 706. Electric cylinder; 707. Limit block; 708. Four-jaw electric clamp; 709. Lead screw nut; 8. Slide rail; 9. Linear module; 10. Mounting plate; 11. Grinding assembly; 1101 1102. Fixed bracket; 1103. Mounting base; 1104. Drive motor; 1105. Rotating base; 1106. First electrically controlled magnet; 1107. Connecting rod; 1108. Second electrically controlled magnet; 1109. Limiting spring; 1100. Servo motor; 1110. Rotating shaft; 1111. Fixed base; 1112. Rotating rod; 1113. Magnetic adsorption block; 1114. Grinding block one; 1115. Grinding block two; 1116. Electrical slip ring. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0026] Example: Please refer to Figures 1-5 The ball screw nut raceway grinding device shown includes a mounting base 1, a pad 2 mounted on the opposite outer wall of the mounting base 1, a processing base plate 3 mounted on the outer wall of the pad 2, a fixing base plate 4 mounted on one side of the processing base plate 3 and located on the outer wall of the pad 2, a fixing column 5 mounted on the outer wall of the processing base plate 3, and a controller 6 mounted on one end of the fixing column 5.

[0027] A fixing component 7 is installed on the base surface of the fixing base plate 4. A slide rail 8 is installed on one side of the fixing component 7 and on the outer wall of the processing base plate 3. A linear module 9 is installed on one side of the slide rail 8 and on the outer wall of the processing base plate 3. A mounting plate 10 is provided on the moving surface of the linear module 9. The slide rail 8 is slidably connected to the bottom of the mounting plate 10. A grinding component 11 is installed on the outer wall of the mounting plate 10.

[0028] In this embodiment, specific references Figure 1 , Figure 2 and Figure 5The fixed assembly 7 comprises a fixed plate 701 installed on the outer wall of the fixed base plate 4, a rotating shaft 702 installed on the side wall of the fixed plate 701, a clamping plate 703 rotatably connected to the outer wall of the rotating shaft 702, an installation groove 704 formed in the outer wall of the clamping plate 703, a rotating rod 705 arranged on the inner wall of the installation groove 704, an electric control cylinder 706 rotatably connected to the outer wall of the rotating rod 705, a limiting block 707 rotatably connected to one end of the electric control cylinder 706, wherein the limiting block 707 is installed on the base surface of the installation base 1, and a four-jaw electric clamp 708 is installed on the outer wall of the clamping plate 703, wherein a lead screw nut 709 is fixed to the inner wall of the four-jaw electric clamp 708.

[0029] In this embodiment, specific reference is made to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The grinding assembly 11 comprises a fixed support 1101 and a mounting seat 1102, the fixed support 1101 is installed on the outer wall of the mounting plate 10, a drive motor 1103 is installed on the outer wall of the fixed support 1101, a rotating base 1104 is installed on the drive shaft of the drive motor 1103, a first electric control magnet 1105 is installed on the outer wall of the rotating base 1104, a connecting rod 1106 is slidably connected to one side of the first electric control magnet 1105 and located on the outer wall of the rotating base 1104, a second electric control magnet 1107 is installed at one end of the connecting rod 1106, and the second electric control magnet 1107 is in a cylindrical structure, a limiting spring 1108 is installed on one side of the connecting rod 1106 and located on the outer wall of the second electric control magnet 1107, the mounting seat 1102 is installed on the outer wall of the mounting plate 10, and the mounting seat 1102 is located on one side of the fixed support 1101, the mounting seat 1102 is provided with two groups and respectively located on the opposite outer walls of the mounting plate 10, a servo motor 1109 is installed on the side wall of the mounting seat 1102, a rotating shaft 1110 is installed on the drive shaft of the servo motor 1109, one end of the rotating shaft 1110 penetrates through the mounting seat 1102 and extends to the inner wall of the mounting seat 1102, wherein the connecting mode between the rotating shaft 1110 and the mounting seat 1102 is rotating connection, and the rotating shaft 1110 is provided with two groups and respectively located on the opposite inner walls of the mounting seat 1102, a fixed seat 1111 is arranged between the rotating shafts 1110, a rotating rod 1112 is rotatably connected to the inner wall of the fixed seat 1111, magnetic adsorption blocks 1113 are symmetrically arranged on the opposite outer walls of the rotating rod 1112, a grinding block one 1114 is arranged at one end of the rotating rod 1112, the grinding block one 1114 is located on one side of the second electric control magnet 1107, a grinding block two 1115 is arranged at the other end of the rotating rod 1112, and the grinding block two 1115 is located on one side of the lead screw nut 709.

[0030] Based on the structural features and the connection relationship, the outer wall of the rotating base 1104 is provided with an electrical slip ring 12, wherein the electrical slip ring 12 supplies power to the first electrically controlled magnet 1105 and the second electrically controlled magnet 1107.

[0031] The controller 6 is connected with the electrically controlled cylinder 706, the four-jaw electrically controlled clamp 708, the driving motor 1103, the first electrically controlled magnet 1105, the second electrically controlled magnet 1107, and the servo motor 1109 through wires in an electrical connection manner, so that the device is powered on, and the controller 6 controls the electrically controlled cylinder 706, the four-jaw electrically controlled clamp 708, the driving motor 1103, the first electrically controlled magnet 1105, the second electrically controlled magnet 1107, and the servo motor 1109 to be powered on and operated.

[0032] The nut race grinding device of the ball screw in the scheme is used in work, and the controller 6 is connected with the electrically controlled cylinder 706, the four-jaw electrically controlled clamp 708, the driving motor 1103, the first electrically controlled magnet 1105, the second electrically controlled magnet 1107, and the servo motor 1109 through wires in an electrical connection manner, so that the device is powered on, and the controller 6 controls the electrically controlled cylinder 706, the four-jaw electrically controlled clamp 708, the driving motor 1103, the first electrically controlled magnet 1105, the second electrically controlled magnet 1107, and the servo motor 1109 to be powered on and operated.

[0033] By opening the switch of the controller 6, the screw nut 709 is fixed on the outer wall of the four-jaw electrically controlled clamp 708, then the clamping plate 703 is rotatably connected on the outer wall of the rotating shaft 702, the mounting groove 704 is formed on the outer wall of the clamping plate 703, the rotating rod 705 is arranged on the inner wall of the mounting groove 704, the electrically controlled cylinder 706 is rotatably connected on the outer wall of the rotating rod 705, the switch of the controller 6 is opened, the controller 6 controls the electrically controlled cylinder 706 to operate, when the electrically controlled cylinder 706 operates, the one end of the electrically controlled cylinder 706 pushes the clamping plate 703 through the rotating rod 705, the rotating rod 705 applies a pushing force to the clamping plate 703, the clamping plate 703 rotates on the outer wall of the rotating shaft 702, the clamping plate 703 moves from the horizontal initial position to the vertical processing position, the feeding of the device is more convenient, and the problem that the existing clamp of the nut race of the ball screw is located on one side of the grinding structure, so that the feeding is inconvenient when the screw nut is fed and fixed due to the small processing gap is solved.

[0034] The connecting mode of the rotating shaft 1110 and the mounting base 1102 is rotating connection, and the rotating shaft 1110 is provided with two groups and is located on the opposite inner walls of the mounting base 1102, a fixing base 1111 is arranged between the rotating shafts 1110, a rotating rod 1112 is rotatably connected to the inner wall of the fixing base 1111, the opposite outer walls of the rotating rod 1112 are symmetrically provided with magnetic adsorption blocks 1113, one end of the rotating rod 1112 is provided with a grinding block one 1114, the grinding block one 1114 is located on one side of the second electric control magnet 1107, the other end of the rotating rod 1112 is provided with a grinding block two 1115, the grinding block two 1115 is located on one side under the action of the lead screw nut 709, only the switch of the controller 6 needs to be turned on, the controller 6 controls the servo motor 1109 to operate, and then the driving shaft of the servo motor 1109 drives the fixing base 1111 to rotate through the rotating shaft 1110, the grinding block one 1114 or the grinding block two 1115 is selected according to the actual processing requirement, when the grinding block moves to the appropriate position, the grinding block one 1114 is located on one side of the second electric control magnet 1107, and the grinding block two 1115 is located on one side of the lead screw nut 709 at the same time;

[0035] The outer wall of the machining bottom plate 3 is provided with a sliding rail 8, one side of the sliding rail 8 and located on the outer wall of the machining bottom plate 3 is provided with a linear module 9, wherein the moving surface of the linear module 9 is provided with a mounting plate 10, the bottom of the mounting plate 10 is slidably connected with the sliding rail 8, and the outer wall of the mounting plate 10 is provided with the action of a grinding assembly 11, the controller 6 controls the linear module 9 to operate, so that the moving surface of the linear module 9 drives the mounting plate 10 to move transversely, so that the mounting plate 10 drives the grinding assembly 11 to move to the machining position;

[0036] The rotating base 1104 is installed on the driving shaft of the driving motor 1103, the first electrically controlled magnet 1105 is installed on the outer wall of the rotating base 1104, the connecting rod 1106 is slidably connected to one side of the first electrically controlled magnet 1105 and located on the outer wall of the rotating base 1104, the second electrically controlled magnet 1107 is installed at one end of the connecting rod 1106 and has a cylindrical structure, the limiting spring 1108 is installed at one side of the connecting rod 1106 and located on the outer wall of the second electrically controlled magnet 1107, under the action of the mounting seat 1102 installed on the outer wall of the mounting plate 10, by opening the switch of the controller 6, the controller 6 controls the first electrically controlled magnet 1105 to lose magnetism by being powered off, so that the first electrically controlled magnet 1105 loses the magnetic fixation of the second electrically controlled magnet 1107, and then the compressed limiting spring 1108 is stretched, so that the limiting spring 1108 exerts a thrust force on the second electrically controlled magnet 1107, and then the second electrically controlled magnet 1107 drives the connecting rod 1106 to move laterally on the inner wall of the rotating base 1104, when the cylindrical structure of the second electrically controlled magnet 1107 covers the rotating rod 1112, the controller 6 controls the second electrically controlled magnet 1107 to generate magnetism by being powered on, so that the second electrically controlled magnet 1107 magnetically fixes the magnetic adsorption block 1113, when the driving motor 1103 operates, the driving shaft of the driving motor 1103 drives the rotating base 1104 to rotate, and then one end of the rotating base 1104 drives the magnetic adsorption block 1113 to operate through the second electrically controlled magnet 1107, so that the magnetic adsorption block 1113 drives the rotating rod 1112 to rotate, when the rotating rod 1112 rotates, the rotating rod 1112 drives the grinding block two 1115 to grind the raceway of the screw nut 709, thereby solving the problem that the grinding wheel of the existing grinding device can only grind fixed size, and facing different size screw nuts, the tool needs to be replaced during production, so that the grinding efficiency is low.

[0037] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A ball screw nut race grinding apparatus comprising a mounting base (1), characterised in that: The mounting base (1) is installed on the opposite outer wall of the mounting base (1), and the mounting base (1) is installed on the outer wall of the mounting base (1). The processing bottom plate (3) is installed on one side of the processing bottom plate (3) and located on the outer wall of the mounting block (2), and the fixing bottom plate (4) is installed on one side of the processing bottom plate (3) and located on the outer wall of the mounting block (2). The fixing column (5) is installed on the outer wall of the processing bottom plate (3), and the controller (6) is installed at one end of the fixing column (5); The base surface of the fixing bottom plate (4) is provided with a fixing assembly (7), one side of the fixing assembly (7) is provided with a sliding rail (8), and the sliding rail (8) is located on the outer wall of the processing bottom plate (3). The linear module (9) is installed on one side of the sliding rail (8) and located on the outer wall of the processing bottom plate (3), wherein the moving surface of the linear module (9) is provided with a mounting plate (10), the bottom of the mounting plate (10) is slidably connected with the sliding rail (8), and the outer wall of the mounting plate (10) is provided with a grinding assembly (11); The fixing assembly (7) comprises a fixing plate (701), the fixing plate (701) is installed on the outer wall of the fixing bottom plate (4), the side wall of the fixing plate (701) is provided with a rotating shaft (702), the outer wall of the rotating shaft (702) is rotatably connected with a clamping plate (703), the outer wall of the clamping plate (703) is provided with a mounting groove (704), the inner wall of the mounting groove (704) is provided with a rotating rod (705), the outer wall of the rotating rod (705) is rotatably connected with an electric control cylinder (706), one end of the electric control cylinder (706) is rotatably connected with a limiting block (707), and the limiting block (707) is installed on the base surface of the mounting base (1). The outer wall of the clamping plate (703) is provided with a four-jaw electric clamp (708), wherein the inner wall of the four-jaw electric clamp (708) is fixedly connected with a lead screw nut (709).

2. The ball screw nut race grinding apparatus of claim 1, wherein: The grinding assembly (11) comprises a fixed support (1101) and a mounting seat (1102), the fixed support (1101) is installed on the outer wall of the mounting plate (10), the outer wall of the fixed support (1101) is provided with a driving motor (1103), the driving shaft of the driving motor (1103) is provided with a rotating base (1104), and the outer wall of the rotating base (1104) is provided with a first electric control magnet (1105).

3. The ball screw nut race grinding apparatus of claim 2, wherein: One side of the first electric control magnet (1105) and the outer wall of the rotating base (1104) are slidably connected with a connecting rod (1106), one end of the connecting rod (1106) is provided with a second electric control magnet (1107), and the second electric control magnet (1107) is a cylindrical structure.

4. The ball screw nut race grinding apparatus of claim 3, wherein: One side of the connecting rod (1106) and the outer wall of the second electric control magnet (1107) are provided with a limiting spring (1108), the mounting seat (1102) is installed on the outer wall of the mounting plate (10), and the mounting seat (1102) is located on one side of the fixed support (1101).

5. A ball screw nut race grinding apparatus according to claim 4, wherein: The mounting seat (1102) is provided with two groups and is located on the opposite outer walls of the mounting plate (10), a servo motor (1109) is mounted on the side wall of the mounting seat (1102), and a driving shaft of the servo motor (1109) is provided with a rotating shaft (1110).

6. A ball screw nut race grinding apparatus according to claim 5, wherein: One end of the rotating shaft (1110) penetrates the mounting seat (1102) and extends to the inner wall of the mounting seat (1102), wherein the connecting manner between the rotating shaft (1110) and the mounting seat (1102) is rotating connection, the rotating shaft (1110) is provided with two groups and is located on the opposite inner walls of the mounting seat (1102), a fixing seat (1111) is arranged between the rotating shafts (1110), a rotating rod (1112) is rotatably connected to the inner wall of the fixing seat (1111), and magnetic adsorption blocks (1113) are symmetrically arranged on the opposite outer walls of the rotating rod (1112).

7. A ball screw nut race grinding apparatus according to claim 6, wherein: One end of the rotating rod (1112) is provided with a grinding block one (1114), the grinding block one (1114) is located on one side of the second electric control magnet (1107), the other end of the rotating rod (1112) is provided with a grinding block two (1115), and the grinding block two (1115) is located on one side of the lead screw nut (709).

8. The ball screw nut race grinding apparatus of claim 7, wherein: The controller (6) is connected with the electric control cylinder (706), the four-jaw electric control clamp (708), the driving motor (1103), the first electric control magnet (1105), the second electric control magnet (1107) and the servo motor (1109) through wires in an electrical connection manner, an electric slip ring (12) is arranged on the outer wall of the rotating base (1104), the first electric control magnet (1105) and the second electric control magnet (1107) are connected in a magnetic connection manner, and the second electric control magnet (1107) and the magnetic adsorption block (1113) are connected in a magnetic connection manner.

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