High-precision turning equipment for miniature parts

Abstract

The high-precision turning equipment comprises a working table, a clamping piece is arranged on the outer wall of one side of the working table, three sliding inserting grooves are formed in the clamping piece and communicated with one another, piston rods are arranged in the sliding inserting grooves, an extrusion block is arranged at one end of each piston rod, a connecting spring is arranged on one side of each extrusion block, and the other end of each extrusion block is connected with the corresponding clamping piece. A barrel is arranged on the outer wall of one side of the top of the clamping piece, a threaded rod is arranged at the top end of the barrel, and a piston plate is arranged outside the threaded rod; when a workpiece is placed in the clamping piece, the threaded rod can be rotated, so that the piston plate extrudes hydraulic oil in the barrel, the hydraulic oil can apply pressure to the piston rod in the sliding and inserting groove, the piston rod drives the extrusion blocks to move, the three extrusion blocks clamp the workpiece at the same time, the difficulty of fixing the workpiece by the clamping piece is reduced, and the work efficiency is improved. And meanwhile, the workpiece can be centered, so that the workpiece can be directly machined by a follow-up cutter.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical lathes, in particular to high-precision turning equipment for micro parts. Background Art

[0002] Turning equipment generally includes ordinary lathes, CNC lathes and machining centers. Among them, lathes are machine tools that mainly use turning tools to turn rotating workpieces. CNC lathes, like ordinary lathes, are also used to process rotating surfaces of parts. Generally, they can automatically complete the processing of external cylindrical surfaces, conical surfaces, spherical surfaces and threads, and can also process some complex rotating surfaces, such as hyperbolic surfaces. The workpiece installation methods of CNC lathes and ordinary lathes are basically the same. In order to improve processing efficiency, CNC lathes mostly use hydraulic, pneumatic and electric chucks.

[0003] Chinese patent number CN209793090U provides high-precision turning equipment for micro parts, including a rotating unit, a radial turning unit, an axial turning unit, an axial positioning unit and a combined driving source, wherein the combined driving source includes a transmission shaft and a power source respectively connected to the transmission shaft, a rotating unit, and a cam shaft, and the cam shaft is provided with a number of driving cams for driving the radial turning unit, the axial turning unit and the axial positioning unit. The utility model can realize the combined drive of the rotating unit, the radial turning unit, the axial turning unit and the axial positioning unit, eliminates the matching error between the outputs of the power sources of each traditional unit, and meets the high-precision turning operation requirements of micro parts. It adopts a fully mechanical linkage method, has a high matching stability, does not require complex programming and control, has low equipment cost and efficient operation, and greatly reduces the production cost of micro parts. The overall structural design is reasonable, the matching design between the units is ingenious, and it is easy to implement and promote application.

[0004] Most traditional high-precision turning equipment for micro parts use a three-jaw chuck to clamp the workpiece. However, when using a three-jaw chuck to clamp the workpiece, the worker needs to rotate the three jaws three times so that the jaws can tighten the workpiece. However, this process is time-consuming and labor-intensive, and it is also impossible to ensure that the three-jaw chuck clamps the workpiece in the center. Therefore, it is urgent to design a high-precision turning equipment for micro parts to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a high-precision turning device for micro parts to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: micro-parts high-precision turning equipment, including a workbench, a clamping piece is provided on the outer wall of one side of the workbench, and three sliding slots are opened inside the clamping piece, the three sliding slots are connected to each other, a piston rod is provided inside the sliding slot, and an extrusion block is provided at one end of the piston rod, a connecting spring is provided on one side of the extrusion block, and one end of the connecting spring is fixed on the inner wall of the sliding slot, a cylinder is provided on the outer wall of one side of the top of the clamping piece, and a threaded rod is provided on the top of the cylinder, and a piston plate is provided on the outside of the threaded rod.

[0007] Among them, a driving motor 1 is installed on one side of the inner wall of the workbench through bolts, and the output end of the driving motor 1 is fixedly connected to the clamping member, and the outer walls on both sides of the top of the workbench are provided with blanking grooves.

[0008] Among them, the outer walls on both sides of the top of the workbench are slidably connected with a box shell, and a handle is installed on the outer wall of one side of the box shell through bolts, a slide rail is installed on the outer wall of one side of the top of the workbench through bolts, and a screw rod is installed inside the slide rail through a bearing.

[0009] Among them, a driving motor 2 is installed on one side of the inner wall of the workbench through bolts, and the output end of the driving motor 2 is fixedly connected to one end of the screw rod.

[0010] Wherein, a translation component is slidably connected to the outside of the slide rail, and the translation component is threadedly connected to the screw rod.

[0011] Among them, the translation assembly includes a slide seat, a screw rod 2 is installed inside the slide seat through a bearing, a drive motor 3 is installed on one side of the bottom of the inner wall of the slide seat through bolts, and the output end of the drive motor 3 and one end of the screw rod 2 are both installed with gears through flat keys, and the two gears are meshed with each other.

[0012] Among them, two guide rods are installed inside the slide seat by bolts, and a shell is slidably connected between the two guide rods. The shell is threadedly connected to the second screw rod, and a mounting seat is slidably inserted at the top of the shell. An electric push rod is installed inside the slide seat by bolts, and the output end of the electric push rod is fixedly connected to the slide seat.

[0013] Among them, the outer walls on both sides of the top of the sliding seat are provided with multiple mounting grooves, and a cutter head is slidably inserted inside the mounting groove, a nozzle is installed at the bottom of the inner wall of the mounting groove by bolts, an oil storage tank is provided inside the sliding seat, and a pump body is provided on the outer wall of one side of the oil storage tank, and a connecting valve pipe is provided at the output end of the pump body, and the end of the connecting valve pipe is connected to multiple nozzles.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model provides a clamping piece, when a workpiece is placed in the clamping piece, the threaded rod can be rotated to make the piston plate squeeze the hydraulic oil in the cylinder body, so that the hydraulic oil can apply pressure to the piston rod in the sliding slot, so that the piston rod moves with the squeezing block, so that the three squeezing blocks clamp the workpiece at the same time, reducing the difficulty of the clamping piece to fix the workpiece, and at the same time, the workpiece can be centered, so that the subsequent tool can directly process the workpiece; through the provided oil storage tank, pump body, connecting valve pipe, nozzle, placement groove and cutter head, when the device is used to cut the workpiece, the pump body can be operated to start, so that the oil storage tank The hydraulic oil inside the box flows into the connecting valve pipe, and then the corresponding valve on the connecting valve pipe is controlled to start, so that the corresponding nozzle of the hydraulic oil can be sprayed into the interior of the mounting groove, so that the tool head slides inside the mounting groove, and different types of tool heads can be raised, so that the workpiece can be continuously processed without changing the tool; through the set screw rod one, screw rod two and electric push rod, when the equipment is used to process the workpiece, the drive motor three, drive motor two and electric push rod can be operated to start, so that the structure composed of the shell and the mounting seat can make three-dimensional movement, so that the position of the tool head can be changed, thereby meeting the purpose of the tool head processing the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

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

[0018] Figure 3 This is a schematic diagram of the planar structure of the workbench of the utility model;

[0019] Figure 4 For this utility model Figure 3 A magnified view of the structure of the middle A part;

[0020] Figure 5 This is a schematic diagram of the structure of the translation component of the utility model;

[0021] Figure 6 It is a schematic diagram of the planar structure of the translation component of the utility model.

[0022] In the figure: 1. workbench; 2. box shell; 3. handle; 4. blanking chute; 5. slide rail; 6. translation assembly; 7. clamping part; 8. drive motor 1; 9. drive motor 2; 10. screw rod 1; 11. cylinder; 12. threaded rod; 13. piston plate; 14. slide slot; 15. piston rod; 16. extrusion block; 17. connecting spring; 18. slide seat; 19. screw rod 2; 20. guide rod; 21. shell; 22. mounting seat; 23. placement slot; 24. cutter head; 25. nozzle; 26. connecting valve pipe; 27. oil storage tank; 28. pump body; 29. ​​electric push rod; 30. drive motor 3; 31. gear. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-6 The utility model provides a technical solution: a micro-part high-precision turning device, including a workbench 1, a clamping member 7 is provided on the outer wall of one side of the workbench 1, and three sliding slots 14 are opened inside the clamping member 7, and the three sliding slots 14 are connected to each other, a piston rod 15 is provided inside the sliding slot 14, and an extrusion block 16 is provided at one end of the piston rod 15, a connecting spring 17 is provided on one side of the extrusion block 16, and one end of the connecting spring 17 is fixed on the inner wall of the sliding slot 14, a cylinder 11 is provided on the outer wall of one side of the top of the clamping member 7, and a threaded rod 12 is provided on the top of the cylinder 11, and a workpiece is inserted into the clamping member 7, and then the threaded rod 12 can be rotated , so that the piston plate 13 squeezes the hydraulic oil inside the cylinder 11, so that the hydraulic oil can pressurize the piston rod 15 inside the sliding slot 14, so that the piston rod 15 moves with the extrusion block 16, so that the three extrusion blocks 16 clamp the workpiece at the same time, and a piston plate 13 is provided on the outside of the threaded rod 12. A drive motor 8 is installed on one side of the inner wall of the workbench 1 by bolts. The model of the drive motor 8 is preferably 42BLF02. When the drive motor 8 is started, the clamping part 7 will rotate with the workpiece, and the output end of the drive motor 8 is fixedly connected to the clamping part 7. The outer walls on both sides of the top of the workbench 1 are provided with blanking grooves 4.

[0025] Among them, the outer walls on both sides of the top of the workbench 1 are slidably connected with a box shell 2, and a handle 3 is installed on the outer wall of one side of the box shell 2 by bolts, a slide rail 5 is installed on the outer wall of one side of the top of the workbench 1 by bolts, the slide rail 5 can guide the movement of the slide seat 18, and a screw rod 10 is installed inside the slide rail 5 through a bearing, and a drive motor 29 is installed on one side of the inner wall of the workbench 1 by bolts. The model of the drive motor 29 is preferably 57BYGH650-23. When the drive motor 29 is started, the screw rod 10 will slide on the slide rail 5 with the slide seat 18, so that the slide seat 18 moves left and right, and the output end of the drive motor 29 is fixedly connected to one end of the screw rod 10.

[0026] Among them, the slide rail 5 is externally slidably connected with a translation assembly 6, and the translation assembly 6 is threadedly connected to the screw rod 10, and the translation assembly 6 includes a slide seat 18, and a screw rod 2 19 is installed inside the slide seat 18 through a bearing. A drive motor 30 is installed on one side of the bottom of the inner wall of the slide seat 18 through a bolt. The model of the drive motor 30 is preferably 57BYGH650-23. When the drive motor 30 is started, under the transmission action of the two gears 31, the screw rod 29 will slide on the guide rod 20 with the housing 21, so that the cutter head 24 moves back and forth, and the output end of the drive motor 30 and one end of the screw rod 29 are both equipped with gears through a flat key. Wheel 31, the two gears 31 mesh with each other, two guide rods 20 are installed inside the slide 18 by bolts, the guide rods 20 can guide the movement of the shell 21, and the shell 21 is slidably connected between the two guide rods 20, the shell 21 is threadedly connected to the screw rod 19, and a mounting seat 22 is slidably inserted at the top of the shell 21. An electric push rod 29 is installed inside the slide 18 by bolts. The model of the electric push rod 29 is preferably THK, which can make the mounting seat 22 rise, so that the height of the cutter head 24 is raised, so that the cutter head 24 can cut the workpiece, and the output end of the electric push rod 29 is fixedly connected to the slide 18.

[0027] Among them, multiple placement grooves 23 are opened on the outer walls on both sides of the top of the slide 18, and a cutter head 24 is slidably inserted in the placement groove 23, and a nozzle 25 is installed at the bottom of the inner wall of the placement groove 23 by bolts. An oil storage tank 27 is provided inside the slide 18, and hydraulic oil is stored in the oil storage tank 27. A pump body 28 is provided on the outer wall of one side of the oil storage tank 27. The model of the pump body 28 is preferably MY-088. A connecting valve pipe 26 is provided at the output end of the pump body 28. A plurality of valves are installed on the connecting valve pipe 26. The pump body 28 is operated to start, so that the hydraulic oil in the oil storage tank 27 flows into the connecting valve pipe 26. Subsequently, the corresponding valve on the connecting valve pipe 26 is controlled to start, so that the corresponding nozzle 25 of the hydraulic oil is sprayed into the placement groove 23, so that the cutter head 24 slides inside the placement groove 23, which facilitates the lifting of the cutter head 24 inside the placement groove 23, so that different types of cutter heads 24 can be lifted, and different workpieces can be processed without changing the tool, and the end of the connecting valve pipe 26 is connected to the plurality of nozzles 25.

[0028] Working principle: When using the equipment to process a workpiece, the box shell 2 can be pulled by the handle 3 to make the box shell 2 slide on the workbench 1, and then the worker inserts the workpiece into the clamping member 7, and then the threaded rod 12 can be rotated to make the piston plate 13 squeeze the hydraulic oil inside the cylinder 11, so that the hydraulic oil can pressurize the piston rod 15 inside the sliding slot 14, so that the piston rod 15 moves with the squeezing block 16, so that the three squeezing blocks 16 clamp the workpiece at the same time. In subsequent processing, the pump body 28 can be operated to start, so that the hydraulic oil in the oil storage tank 27 flows into the connecting valve pipe 26, and then the corresponding valve on the connecting valve pipe 26 is controlled to start, so that the corresponding nozzle 25 of the hydraulic oil is sprayed into the placement groove 23, so that The cutter head 24 slides inside the mounting groove 23, so that the cutter head 24 rises, and the operation drive motor 1 8 is started, so that the clamping member 7 rotates with the workpiece, and then the operation drive motor 2 9, the drive motor 3 30 and the electric push rod 29 are started, so that the screw rod 10 slides with the slide 18 on the slide rail 5, and the slide 18 moves left and right. At the same time, the drive motor 3 30 will be started in this process, and under the transmission action of the two gears 31, the screw rod 2 19 slides with the shell 21 on the guide rod 20, so that the cutter head 24 moves back and forth, and the start of the electric push rod 29 will cause the mounting seat 22 to rise, so that the structure composed of the shell 21 and the mounting seat 22 performs three-dimensional movement, so that the cutter head 24 cuts the workpiece.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-precision turning device for micro parts, comprising a workbench (1), characterized in that: A clamping member (7) is provided on the outer wall of one side of the workbench (1), and three sliding slots (14) are provided inside the clamping member (7), and the three sliding slots (14) are connected to each other. A piston rod (15) is provided inside the sliding slot (14), and an extrusion block (16) is provided at one end of the piston rod (15), and a connecting spring (17) is provided on one side of the extrusion block (16), and one end of the connecting spring (17) is fixed on the inner wall of the sliding slot (14). A cylinder (11) is provided on the outer wall of one side of the top of the clamping member (7), and a threaded rod (12) is provided at the top of the cylinder (11), and a piston plate (13) is provided outside the threaded rod (12).

2. The micro-parts high-precision turning equipment according to claim 1 is characterized in that: A drive motor (8) is installed on one side of the inner wall of the workbench (1) by means of bolts, and the output end of the drive motor (8) is fixedly connected to the clamping member (7). The outer walls on both sides of the top of the workbench (1) are provided with material dropping grooves (4).

3. The micro-parts high-precision turning equipment according to claim 1 is characterized in that: The outer walls on both sides of the top of the workbench (1) are slidably connected to a box shell (2), and a handle (3) is installed on the outer wall of one side of the box shell (2) through bolts. A slide rail (5) is installed on the outer wall of one side of the top of the workbench (1) through bolts, and a screw rod (10) is installed inside the slide rail (5) through a bearing.

4. The micro-parts high-precision turning equipment according to claim 3 is characterized in that: A second drive motor (9) is installed on one side of the inner wall of the workbench (1) by means of bolts, and the output end of the second drive motor (9) is fixedly connected to one end of a first screw rod (10).

5. The micro-parts high-precision turning equipment according to claim 4, characterized in that: The slide rail (5) is externally slidably connected to a translation assembly (6), and the translation assembly (6) is threadedly connected to a screw rod (10).

6. The micro-parts high-precision turning equipment according to claim 5, characterized in that: The translation assembly (6) comprises a slide seat (18), a screw rod 2 (19) is installed inside the slide seat (18) via a bearing, a drive motor 3 (30) is installed on one side of the bottom of the inner wall of the slide seat (18) via bolts, and a gear (31) is installed on the output end of the drive motor 3 (30) and one end of the screw rod 2 (19) via a flat key, and the two gears (31) are meshed with each other.

7. The micro-parts high-precision turning equipment according to claim 6, characterized in that: Two guide rods (20) are installed inside the slide seat (18) by bolts, and a shell (21) is slidably connected between the two guide rods (20), the shell (21) is threadedly connected to the second screw rod (19), and a mounting seat (22) is slidably inserted at the top of the shell (21), and an electric push rod (29) is installed inside the slide seat (18) by bolts, and the output end of the electric push rod (29) is fixedly connected to the slide seat (18).

8. The micro-parts high-precision turning equipment according to claim 7, characterized in that: The outer walls on both sides of the top of the slide seat (18) are provided with a plurality of placement grooves (23), and a cutter head (24) is slidably inserted in the placement groove (23). A nozzle (25) is installed at the bottom of the inner wall of the placement groove (23) by bolts. An oil storage tank (27) is provided inside the slide seat (18), and a pump body (28) is provided on the outer wall of one side of the oil storage tank (27). A connecting valve pipe (26) is provided at the output end of the pump body (28), and the end of the connecting valve pipe (26) is connected to the plurality of nozzles (25).

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