CN113561045B

CN113561045B - Equipment and process for carrying out surface treatment on high-precision spring

Info

Publication number: CN113561045B
Application number: CN202110901308.3A
Authority: CN
Inventors: 刘冬生
Original assignee: Kunshan Jiesheng Precision Electronics Co ltd
Current assignee: Kunshan Jiesheng Precision Electronics Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-05-17
Anticipated expiration: 2041-08-06
Also published as: CN113561045A

Abstract

The invention is suitable for the technical field of surface treatment, and provides equipment and a process for carrying out surface treatment on a high-precision spring.

Description

Equipment and process for carrying out surface treatment on high-precision spring

Technical Field

The invention belongs to the technical field of surface treatment, and particularly relates to equipment and a process for performing surface treatment on a high-precision spring.

Background

The existing spring (including elastic element) is a basic elastic part with large consumption and wide application range, and is a very critical part for the control elements in automobiles, power machines, instruments and weapons. Its basic function is to utilize the elasticity of material and the structural characteristics of spring to convert mechanical energy and kinetic energy into deformation energy when generating and recovering deformation. Or the deformation energy is converted into mechanical energy and kinetic energy so as to achieve the purposes of buffering or damping, controlling work or resetting, storing energy or measuring and the like, and people need to perform surface treatment on the spring after producing the spring so that the service life of the spring is longer.

In the existing surface treatment process, a plurality of devices are needed to perform a plurality of processes on the spring to realize a better treatment effect, which is not beneficial to saving resources and energy.

Disclosure of Invention

The invention provides equipment and a process for carrying out surface treatment on a high-precision spring, and aims to solve the problems in the prior art.

The present invention is achieved in that an apparatus for surface-treating a high-precision spring, comprising:

the oxidation assembly comprises a treatment barrel, a storage basket, a transmission shaft and a top cover; a transmission shaft penetrates through the bottom wall of the treatment barrel; the transmission shaft is rotatably connected with the treatment barrel, and one end of the transmission shaft is positioned in the treatment barrel; the storage basket is arranged in the processing barrel and is detachably fixed at one end of the transmission shaft; the other end of the transmission shaft is positioned below the treatment barrel and is fixed with an end gear; the top cover is arranged at the top of the processing barrel in a covering manner;

the driving assembly comprises a driving motor, a vertical shaft and a horizontal shaft; the vertical shaft is sleeved with a first driving gear and a second driving gear; the second driving gear can slide along the vertical shaft; a motor gear meshed with the first driving gear is fixed on an output shaft of the driving motor; a first transmission gear and a second transmission gear are fixedly connected to the transverse shaft; the first transmission gear is matched with the second driving gear; the second transmission gear is meshed with the end gear;

a grinding assembly comprising an abrasive drum, an inner shaft; one end of the grinding material roller is fixedly connected with one end of the transverse shaft, and the other end of the grinding material roller is fixedly connected with an outer shaft; an inner shaft penetrates through the outer shaft; the inner shaft is movably connected with the outer shaft; one end of the inner shaft extends into the grinding material roller, and a plurality of stirring blades are fixed on the part of the inner shaft, which is positioned in the grinding material roller; the outer shaft is connected to the inner shaft by a linkage mechanism, and when the outer shaft rotates, the outer shaft drives the inner shaft to rotate in a direction opposite to the rotation direction of the outer shaft through the linkage mechanism.

Preferably, the oxidation assembly further comprises a threaded rod, a rod frame and a top shaft;

the lower end of the threaded rod is fixedly connected with the top cover; a sleeve is fixed on the lower surface of the top cover; the middle part of the storage basket is provided with an inner pipe; the inner pipe is in telescopic movable connection with the sleeve; the lower end of the threaded rod is fixedly connected with the top cover;

the rod frame is fixedly connected with the treatment barrel; a plurality of telescopic guide rods are fixedly connected between the rod frame and the treatment barrel; the threaded rod is in threaded connection with a threaded sleeve, and the threaded sleeve is rotationally connected with the rod frame; the threaded sleeve is fixedly connected with a screw gear; the screw gear is sleeved outside the threaded rod;

two ends of the top shaft are respectively and fixedly connected with a top shaft gear I and a top shaft gear II;

a third driving gear is also arranged on the vertical shaft; the third driving gear can slide along the vertical shaft;

the first top shaft gear is meshed with the screw rod gear; and the third driving gear is matched with the second top shaft gear.

Preferably, the linkage mechanism includes:

an outer shaft gear fixedly sleeved on the outer shaft;

the two ends of the connecting shaft are fixedly connected with a connecting shaft gear I and a connecting shaft gear II respectively, and the connecting shaft gear I is meshed with the outer shaft gear;

a second coupling gear that is engaged with the second coupling gear;

and the inner shaft gear is sleeved and fixed at one end of the inner shaft and is meshed with the clearance gear.

Preferably, the sanding assembly further comprises an end post having a top portion rotatably connected to the outer shaft by a bearing mount.

Preferably, the driving assembly further comprises a base, and the lower end of the vertical shaft is mounted on the base through a bearing seat;

two pillars are fixed on the base; the support is rotatably connected with the transverse shaft through a bearing.

Preferably, an electric push rod I is fixed on the base, and a gear seat I sleeved on the vertical shaft is fixed on the output end of the electric push rod I; the second driving gear is rotatably connected with the first gear seat;

a first guide groove is formed in the inner wall of the second driving gear; and a first guide rail matched with the guide groove is arranged on the outer wall of the vertical shaft.

Preferably, an electric push rod II is fixed on the vertical shaft; a second gear seat sleeved on the vertical shaft is fixed on the output end of the second electric push rod; the driving gear III is rotatably connected with the gear seat II;

a second guide groove is formed in the inner wall of the third driving gear; and a second guide rail matched with the guide groove is arranged on the outer wall of the vertical shaft.

Preferably, a plurality of partition plates which are arranged at intervals along the length direction of the abrasive drum are fixed on the inner wall of the abrasive drum;

the inner wall space of the grinding material roller is divided into a plurality of compartments by the plurality of partition plates;

a plurality of feed ports which respectively correspond to the plurality of compartments are arranged on the wall of the grinding material roller; and a cover plate is arranged in each feeding port.

Preferably, a mounting seat is fixed on the transmission shaft; the upper surface of the mounting seat is provided with a convex block;

the lower surface of the storage basket is provided with an embedding groove matched with the projection; the lug is detachably embedded into the embedding groove.

The invention also provides a process for carrying out surface treatment on the high-precision spring, which comprises the following steps:

s1, installing any one of the devices for surface treatment of the high-precision spring;

s2, respectively placing the springs to be processed into a storage basket and an abrasive drum;

s3, adding an oxidation treatment solution into the treatment barrel, and adding a coarse grinding material into the grinding material roller;

s4, starting a driving motor, wherein the driving motor drives the storage basket to rotate through a transmission shaft and drives the grinding material roller to rotate through a transverse shaft; and simultaneously, carrying out oxidation treatment and polishing treatment on the spring.

Compared with the prior art, the invention has the beneficial effects that: the invention relates to equipment and a process for carrying out surface treatment on a high-precision spring.

Drawings

Fig. 1 is a schematic view showing the overall construction of an apparatus for surface-treating a high-precision spring according to the present invention.

Fig. 2 is a schematic structural view of the storage basket of the present invention.

Fig. 3 is a partial structural schematic diagram of the driving assembly of the present invention.

Fig. 4 is an enlarged schematic view of detail a in fig. 1.

Fig. 5 is an enlarged schematic view of detail B in fig. 1.

Fig. 6 is an enlarged schematic view of the detail at C in fig. 1.

In the figure: 1. an oxidizing component; 11. a treatment barrel; 111. a liquid inlet pipe; 112. supporting legs; 113. a liquid discharge pipe; 12. a storage basket; 121. an inner tube; 13. a drive shaft; 131. an end gear; 132. a mounting seat; 133. a bump; 14. a threaded rod; 141. a threaded sleeve; 142. a screw gear; 15. a pole frame; 151. a telescopic guide rod; 16. a top cover; 17. a top shaft; 171. a first top shaft gear; 172. a second top shaft gear; 2. a drive assembly; 21. a drive motor; 22. a vertical axis; 221. driving a gear I; 222. driving a gear II; 223. driving a gear III; 23. a horizontal axis; 231. a first transmission gear; 232. a second transmission gear; 24. a base; 241. a pillar; 25. an electric push rod I; 26. an electric push rod II; 3. polishing the assembly; 31. an abrasive drum; 311. an outer shaft; 312. an outer shaft gear; 32. a partition plate; 33. an inner shaft; 331. an inner shaft gear; 34. a connecting shaft; 341. a first connecting shaft gear; 342. a second connecting shaft gear; 35. a clearance gear; 36. an end post.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: an apparatus for surface-treating a high-precision spring includes an oxidizing assembly 1, a driving assembly 2, and a polishing assembly 3.

The oxidation assembly 1 comprises a treatment barrel 11, a storage basket 12, a transmission shaft 13 and a top cover 16; a transmission shaft 13 penetrates through the bottom wall of the treatment barrel 11; the transmission shaft 13 is rotatably connected with the processing barrel 11, and one end of the transmission shaft 13 is positioned in the processing barrel 11; the storage basket 12 is arranged in the processing barrel 11 and is detachably fixed at one end of the transmission shaft 13; the other end of the transmission shaft 13 is positioned below the processing barrel 11 and is fixed with an end gear 131; the top cover 16 covers the top of the processing tub 11. The treatment barrel 11 is connected with a liquid inlet pipe 111, the liquid inlet pipe 111 is connected with two branch pipes for inputting cleaning warm water and oxidizing solution respectively, and a liquid discharge pipe 113 for discharging waste liquid, and the liquid discharge pipe 113 is provided with a liquid discharge valve. The bottom of the tub 11 is provided with a plurality of support legs 112 supporting the tub 11. The storage basket 12 is used to store the springs to be processed.

Referring to fig. 1, 3 and 5, the driving assembly 2 includes a driving motor 21, a vertical shaft 22, a horizontal shaft 23, a first electric push rod 25 and a second electric push rod 26; the vertical shaft 22 is sleeved with a first driving gear 221 and a second driving gear 222; the second driving gear 222 is arranged in a sliding manner along the vertical shaft 22; a motor gear which is meshed with the first driving gear 221 is fixed on an output shaft of the driving motor 21; a first transmission gear 231 and a second transmission gear 232 are fixedly connected to the transverse shaft 23; the first transmission gear 231 is matched with the second driving gear 222; the second transmission gear 232 is meshed with the end gear 131.

The driving motor 21 drives the first driving gear 221 and the vertical shaft 22 to rotate through the motor gear, so that the second driving gear 222 synchronously rotates along with the vertical shaft 22, the second driving gear 222 can drive the transverse shaft 23 to rotate through the first transmission gear 231, the transverse shaft 23 drives the transmission shaft 13 to rotate through the end gear 131, and the transmission shaft 13 drives the storage basket 12 to rotate, so that efficient oxidation treatment on the spring is realized.

In addition, in order to realize the automatic opening and closing of the top cover 16, the oxidation assembly 1 further comprises a threaded rod 14, a rod frame 15 and a top shaft 17; the lower end of the threaded rod 14 is fixedly connected with a top cover 16; a sleeve is fixed on the lower surface of the top cover 16; the middle part of the storage basket 12 is provided with an inner pipe 121; the inner tube 121 and sleeve are telescopically articulated so that when the top cover 16 is raised, the inner tube 121 and sleeve extend to increase the spacing between the storage basket 12 and the top cover 16 to provide an operating space. The lower end of the threaded rod 14 is fixedly connected with a top cover 16; the rod frame 15 is fixedly connected with the processing barrel 11; a plurality of telescopic guide rods 151 are fixedly connected between the rod frame 15 and the processing barrel 11; the threaded rod 14 is screwed with a threaded sleeve 141, and the threaded sleeve 141 is rotatably connected with the rod frame 15; a screw gear 142 is fixedly connected to the threaded sleeve 141; the screw gear 142 is sleeved outside the threaded rod 14; two ends of the top shaft 17 are respectively and fixedly connected with a first top shaft gear 171 and a second top shaft gear 172; a third driving gear 223 is also arranged on the vertical shaft 22; the third driving gear 223 is arranged to slide along the vertical shaft 22; the first top shaft gear 171 engages the screw gear 142; the third drive gear 223 mates with the second top shaft gear 172.

The third driving gear 223 can synchronously rotate along with the vertical shaft 22, so that the second top shaft 172 drives the top shaft 17 to rotate, the top shaft 17 drives the screw gear 142 to rotate through the top shaft gear 171, the threaded sleeve 141 synchronously rotates along with the screw gear 142, so that the threaded rod 14 is driven to lift, the threaded rod 14 can drive the top cover 16 to lift synchronously, and the top cover 16 is opened and closed.

The grinding assembly 3 comprises an abrasive drum 31 and an inner shaft 33; one end of the abrasive drum 31 is fixedly connected with one end of the transverse shaft 23, and the other end of the abrasive drum 31 is fixedly connected with an outer shaft 311; an inner shaft 33 penetrates through the outer shaft 311; the inner shaft 33 is movably connected with the outer shaft 311; one end of the inner shaft 33 extends into the grinding drum 31, and a plurality of stirring blades are fixed on the part of the inner shaft 33 positioned in the grinding drum 31; the outer shaft 311 is connected to the inner shaft 33 through a linkage mechanism by which the outer shaft 311 drives the inner shaft 33 to rotate in a direction opposite to the direction of rotation of the outer shaft 311 when the outer shaft 311 rotates with the abrasive drum 31.

Referring to fig. 4, the linkage mechanism includes an outer shaft gear 312, a connecting shaft 34, a gap gear 35, and an inner shaft gear 331. The outer shaft gear 312 is sleeved and fixed on the outer shaft 311; two ends of the connecting shaft 34 are fixedly connected with a first connecting shaft gear 341 and a second connecting shaft gear 342 respectively, and the first connecting shaft gear 341 is meshed with the outer shaft gear 312; the clearance gear 35 is meshed with a second connecting shaft gear 342; the inner shaft gear 331 is fixed to one end of the inner shaft 33 and meshes with the gap gear 35. The linkage mechanism can rotate the inner shaft 33 in the reverse direction by the rotation of the outer shaft 311.

To facilitate support of the outer shaft 311, the sanding assembly 3 further includes an end post 36, the top of which is pivotally connected to the outer shaft 311 by a bearing mount.

Further, the driving assembly 2 further comprises a base 24, and the lower end of the vertical shaft 22 is mounted on the base 24 through a bearing seat; two pillars 241 are fixed on the base 24; the strut 241 is rotatably coupled to the transverse shaft 23 by a bearing.

In order to control the lifting of the second driving gear 222 and the third driving gear 223 conveniently, a first electric push rod 25 is fixed on the base 24, and a first gear seat sleeved on the vertical shaft 22 is fixed on the output end of the first electric push rod 25; the second driving gear 222 is rotationally connected with the first gear seat; a first guide groove is formed in the inner wall of the second driving gear 222; the outer wall of the vertical shaft 22 is provided with a first guide rail matched with the guide groove. An electric push rod II 26 is fixed on the vertical shaft 22; a second gear seat sleeved on the vertical shaft 22 is fixed at the output end of the second electric push rod 26; the third driving gear 223 is rotationally connected with the second gear seat; a second guide groove is formed in the inner wall of the third driving gear 223; and a second guide rail matched with the guide groove is arranged on the outer wall of the vertical shaft 22. The second driving gear 222 and the third driving gear 223 can respectively rotate on the first gear seat and the second gear seat, and when the first electric push rod 25 drives the first gear seat to ascend and descend, the second driving gear 222 can be driven to ascend and descend synchronously, so that the actions of meshing the first transmission gear 231 and disengaging from the first transmission gear 231 are realized. The third driving gear 223 realizes the action of engaging and disengaging the second top shaft gear 172 through the second electric push rod 26.

A plurality of partition plates 32 which are arranged at intervals along the length direction of the abrasive drum 31 are fixed on the inner wall of the abrasive drum 31; the plurality of partition plates 32 divide the inner wall space of the abrasive drum 31 into a plurality of compartments; a plurality of feed ports respectively corresponding to the plurality of compartments are arranged on the wall of the grinding material roller 31; a cover plate is arranged in each feeding port. The dog-house is used for throwing into the spring of waiting to process and the abrasive material that is used for polishing the spring. Each compartment can be used to separately process springs of different specifications.

Referring to fig. 6, a mounting seat 132 is fixed on the transmission shaft 13; the upper surface of the mounting seat 132 is provided with a projection 133; the lower surface of the storage basket 12 is provided with a caulking groove matched with the projection 133; the projection 133 is detachably inserted into the insertion groove.

The invention relates to a process for carrying out surface treatment on a high-precision spring, which comprises the following steps:

s1, installing the apparatus for surface treating the high precision spring as described above.

S2, putting the spring to be processed into the storage basket 12 and the abrasive drum 31, respectively.

S3, adding the oxidation treatment solution into the treatment barrel 11, and adding the coarse grinding material into the grinding material roller 31.

S4, starting a driving motor 21, driving the storage basket 12 to rotate by the driving motor 21 through a transmission shaft 13, and driving the abrasive drum 31 to rotate through a transverse shaft 23; and simultaneously, carrying out oxidation treatment and polishing treatment on the spring.

When the equipment and the process for carrying out surface treatment on the high-precision spring are used, the spring needing primary treatment is placed into the abrasive drum 31, and the spring treated by the abrasive drum 31 is placed into the treatment barrel 11 for secondary treatment. The treating solution is added to the treating tub 11, and the abrasive is added to the abrasive drum 31. The driving motor 21 is started to drive the transmission shaft 13 and the abrasive drum 31 to rotate, and simultaneously, the abrasive and chemical oxidation treatment of the spring is realized.

In summary, according to the equipment and the process for performing surface treatment on the high-precision spring, the treatment barrel 11 with the storage basket 12 and the abrasive drum 31 with the inner shaft 33 are arranged, the inner shaft 33 is provided with the stirring blades, the driving assembly 2 for driving the storage basket 12 and the abrasive drum 31 to rotate is further arranged, and the abrasive drum 31 is further provided with the linkage mechanism for driving the inner shaft 33 and the abrasive drum 31 to rotate in opposite directions, so that the grinding and chemical oxidation treatment on the spring can be realized on the same equipment, and the spring is driven by one driving assembly, so that the high-efficiency treatment on the spring is realized, and the energy and resources are also saved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. An apparatus for surface treating a high precision spring, characterized by: the method comprises the following steps:

the oxidation assembly (1) comprises a treatment barrel (11), a storage basket (12), a transmission shaft (13) and a top cover (16); a transmission shaft (13) penetrates through the bottom wall of the treatment barrel (11); the transmission shaft (13) is rotatably connected with the processing barrel (11), and one end of the transmission shaft (13) is positioned in the processing barrel (11); the storage basket (12) is arranged in the processing barrel (11) and is detachably fixed at one end of the transmission shaft (13); the other end of the transmission shaft (13) is positioned below the processing barrel (11) and is fixed with an end gear (131); the top cover (16) is arranged at the top of the processing barrel (11);

a drive assembly (2) comprising a drive motor (21), a vertical shaft (22) and a horizontal shaft (23); a first driving gear (221) and a second driving gear (222) are sleeved on the vertical shaft (22); the second driving gear (222) is arranged in a sliding manner along the vertical shaft (22); a motor gear meshed with the first driving gear (221) is fixed on an output shaft of the driving motor (21); a first transmission gear (231) and a second transmission gear (232) are fixedly connected to the transverse shaft (23); the first transmission gear (231) is matched with the second driving gear (222); the second transmission gear (232) is meshed with the end gear (131);

a sanding assembly (3) comprising an abrasive drum (31), an inner shaft (33); one end of the abrasive drum (31) is fixedly connected with one end of the transverse shaft (23), and the other end of the abrasive drum (31) is fixedly connected with an outer shaft (311); an inner shaft (33) penetrates through the outer shaft (311); the inner shaft (33) is movably connected with the outer shaft (311); one end of the inner shaft (33) extends into the grinding material roller (31), and a plurality of stirring blades are fixed on the part of the inner shaft (33) positioned in the grinding material roller (31); the outer shaft (311) is connected to the inner shaft (33) by a linkage mechanism, and when the outer shaft (311) rotates, the outer shaft (311) drives the inner shaft (33) to rotate in a direction opposite to the rotation direction of the outer shaft (311) through the linkage mechanism.

2. An apparatus for surface treating a high precision spring as defined in claim 1, wherein: the oxidation assembly (1) further comprises a threaded rod (14), a rod frame (15) and a top shaft (17);

the lower end of the threaded rod (14) is fixedly connected with the top cover (16); a sleeve is fixed on the lower surface of the top cover (16); an inner pipe (121) is arranged in the middle of the storage basket (12); the inner tube (121) is in telescopic movable connection with the sleeve;

the rod frame (15) is fixedly connected with the processing barrel (11); a plurality of telescopic guide rods (151) are fixedly connected between the rod frame (15) and the processing barrel (11); a threaded sleeve (141) is screwed on the threaded rod (14), and the threaded sleeve (141) is rotationally connected with the rod frame (15); the threaded sleeve (141) is fixedly connected with a screw gear (142); the screw gear (142) is sleeved outside the threaded rod (14);

two ends of the top shaft (17) are respectively fixedly connected with a top shaft gear I (171) and a top shaft gear II (172);

a third driving gear (223) is further arranged on the vertical shaft (22); the third driving gear (223) is arranged in a sliding mode along the vertical shaft (22);

the first top shaft gear (171) is meshed with the screw gear (142); and the driving gear III (223) is matched with the top shaft gear II (172).

3. An apparatus for surface treating a high precision spring as defined in claim 1, wherein: the link gear includes:

an outer shaft gear (312) which is fixedly fitted on the outer shaft (311);

a connecting shaft (34), two ends of which are fixedly connected with a connecting shaft gear I (341) and a connecting shaft gear II (342) respectively, wherein the connecting shaft gear I (341) is meshed with the outer shaft gear (312);

a clearance gear (35) which engages with the second coupling gear (342);

and an inner shaft gear (331) that is fixed to one end of the inner shaft (33) and meshes with the clearance gear (35).

4. An apparatus for surface treating a high precision spring as defined in claim 1, wherein: the grinding assembly (3) further comprises an end post (36) the top of which is rotatably connected with the outer shaft (311) through a bearing seat.

5. An apparatus for surface treating a high precision spring as defined in claim 1, wherein: the driving assembly (2) further comprises a base (24), and the lower end of the vertical shaft (22) is mounted on the base (24) through a bearing seat;

two supporting columns (241) are fixed on the base (24); the support column (241) is rotatably connected with the transverse shaft (23) through a bearing.

6. An apparatus for surface treating a high-precision spring according to claim 5, wherein: an electric push rod I (25) is fixed on the base (24), and a gear seat I sleeved on the vertical shaft (22) is fixed on the output end of the electric push rod I (25); the second driving gear (222) is rotatably connected with the first gear seat;

a first guide groove is formed in the inner wall of the second driving gear (222); and a first guide rail matched with the guide groove is arranged on the outer wall of the vertical shaft (22).

7. An apparatus for surface treating a high-precision spring as defined in claim 2, wherein: an electric push rod II (26) is fixed on the vertical shaft (22); a second gear seat sleeved on the vertical shaft (22) is fixed on the output end of the second electric push rod (26); the third driving gear (223) is rotatably connected with the second gear seat;

a second guide groove is formed in the inner wall of the third driving gear (223); and a second guide rail matched with the guide groove is arranged on the outer wall of the vertical shaft (22).

8. An apparatus for surface treating a high precision spring as defined in claim 1, wherein: a plurality of partition plates (32) which are arranged at intervals along the length direction of the abrasive drum (31) are fixed on the inner wall of the abrasive drum (31);

the inner wall space of the grinding material roller (31) is divided into a plurality of compartments by a plurality of partition plates (32);

a plurality of feeding ports respectively corresponding to the plurality of compartments are arranged on the wall of the grinding material roller (31); and a cover plate is arranged in each feeding port.

9. An apparatus for surface treating a high precision spring as defined in claim 1, wherein: a mounting seat (132) is fixed on the transmission shaft (13); a lug (133) is arranged on the upper surface of the mounting seat (132);

the lower surface of the storage basket (12) is provided with a caulking groove matched with the lug (133); the lug (133) is detachably embedded in the embedded groove.

10. A process for surface treatment of a high precision spring, characterized by: the method comprises the following steps:

s1, installing the device according to any one of the preceding claims 1 to 9;

s2, respectively putting the springs to be processed into a storage basket (12) and an abrasive drum (31);

s3, adding an oxidation treatment solution into the treatment barrel (11), and adding a coarse grinding material into the grinding material roller (31);

s4, starting a driving motor (21), wherein the driving motor (21) drives the storage basket (12) to rotate through a transmission shaft (13), and drives the grinding material roller (31) to rotate through a transverse shaft (23); and simultaneously, carrying out oxidation treatment and polishing treatment on the spring.