CN114603454B

CN114603454B - Special-shaped spring polishing equipment

Info

Publication number: CN114603454B
Application number: CN202210509964.3A
Authority: CN
Inventors: 阳小钢; 王燕; 姬岭; 徐义; 余金坡; 马瑞; 张静
Original assignee: Yantai Zhuoyue Electronic Hardware Co ltd
Current assignee: Yantai Zhuoyue Electronic Hardware Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-08-09
Anticipated expiration: 2042-05-11
Also published as: CN114603454A

Abstract

The invention provides special-shaped spring polishing equipment which comprises a polisher, a polishing platform, lighting equipment and a power supply, wherein the lighting equipment is arranged above the polishing platform, the polishers are arranged on two sides of the polishing platform, a clamping mechanism is arranged on the upper surface of the polishing platform and used for fixing a spring to be polished, a lifting device is arranged at the bottom of the polishing platform and connected with the clamping mechanism, the lifting device is used for lifting the spring to be polished to a set height, and the power supply is connected with the lighting equipment, the polisher and the lifting mechanism; the technical problem of how to carry out the high accuracy to heterotypic spring and polish is solved, the high accuracy to heterotypic spring can be realized polishing.

Description

Special-shaped spring polishing equipment

Technical Field

The invention belongs to the technical field of spring polishing, and particularly relates to special-shaped spring polishing equipment.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

In the manufacturing process of the spring, grinding is an important process, the influence of the surface grinding quality of the spring on the overall quality of a die is large, and therefore the surface grinding quality requirement of the spring is relatively high. In order to solve the problems that the traditional manual operation has bad working environment, harms the health of workers and cannot ensure the quality, efficiency and consistency of processing, a large number of special numerical control devices and traditional large-scale industrial mechanical arms appear in the prior art, and the automatic devices are designed, developed and successfully applied to various polishing and processing fields. However, the special grinding machine tool in the prior art still has the problems of long process time, high cost and poor grinding efficiency and grinding precision, thereby influencing the application of the special grinding machine tool.

The special-shaped spring is different from a common spring, and has some irregular areas or structures, so that how to polish the special-shaped spring with high precision is a technical problem to be solved at present.

Disclosure of Invention

In order to solve the problems, the invention adopts the following technical scheme: a special-shaped spring polishing device comprises a polisher, a polishing platform, a lighting device and a power supply, wherein the lighting device is installed above the polishing platform, the polishers are installed on two sides of the polishing platform, a clamping mechanism is installed on the upper surface of the polishing platform and used for fixing a spring to be polished, a lifting device is installed at the bottom of the polishing platform and connected with the clamping mechanism, the lifting device is used for lifting the spring to be polished to a set height, and the power supply is connected with the lighting device, the polisher and the lifting mechanism;

further, the sander comprises a mounting plate, an outer ring polishing mechanism, an edge polishing mechanism and an inner ring polishing mechanism, wherein the outer ring polishing mechanism is arranged at the center of the mounting plate, the edge polishing mechanism is arranged on one side of the mounting plate, and the inner ring polishing mechanism is arranged on one side of the outer ring polishing mechanism; the mounting plate is mounted to the setting area by a first fastener and a second fastener.

Further, outer lane grinding machanism includes the motor, first driving band, the second driving band, first unit and the second unit of polishing, the motor is connected with first driving band and second driving band through pivot or gear assembly, drive first driving band and second driving band and rotate, first driving band is connected with first unit of polishing, first driving band drives first unit of polishing and rotates, first unit of polishing utilizes the medial surface to treat the outer lane of the spring of polishing and polishes the processing, the second driving band is connected with the second unit of polishing, the second driving band drives the second unit of polishing and rotates the outer lane of treating the spring of polishing and polish.

Further, the first polishing unit comprises an annular ring and a polishing expansion plate, the polishing expansion plate and the annular ring are arranged oppositely, a set gap is formed between the polishing expansion plate and the annular ring, the gap is used for accommodating a spring to be polished, the spring to be polished is tightly attached to the annular ring by utilizing the telescopic action of the polishing expansion plate, and the spring to be polished is bidirectionally polished by utilizing the reverse rotation action of the polishing expansion plate relative to the annular ring.

Furthermore, the polishing expansion plates are provided with a plurality of expansion plates which are annularly and uniformly distributed on the circumferential side surface of the annular mounting pipe.

Further, the expansion plate of polishing includes limiting plate, slip ring, expanding spring, polishes flange board, flange board regulating spindle, hydraulic telescoping shaft and base, the tip at hydraulic telescoping shaft is installed to the limiting plate for carry on spacingly to the position of slip ring, the slip ring is installed on hydraulic telescoping shaft, can follow hydraulic telescoping shaft axial displacement, the top of slip ring is spacing by the limiting plate, the flange board is polished in the slip ring side-mounting, the bottom of slip ring has the expanding spring mounting groove, expanding spring one end is installed on the fixed point of hydraulic telescoping shaft, the other end is installed in the expanding spring mounting groove of slip ring, expanding spring can move along with the motion of hydraulic telescoping shaft.

Further, the flange plate regulating shaft has on the flange plate of polishing, can adjust the angle of the flange plate of polishing through the flange plate regulating shaft, the flange plate of polishing is the L template of two relative settings, and the side of L template is the arc terminal surface for whole telescopic plate of polishing wholly appears to have the T type structure of radian for the top.

Further, have certain accommodation space between two L templates, set up the limiting plate in the accommodation space, the top of limiting plate has the friction head, and the friction head of limiting plate can provide the operation of polishing of treating the spring of polishing after the flange board that polishes receives the pressure contraction.

Furthermore, edge grinding machanism is including the first arm, the first arm bending segment, first flexible arm, the flexible arm of second, angle modulation casing, the first motor that connects gradually the setting.

Furthermore, one end of the first mechanical arm is installed on the installation plate, the other end of the first mechanical arm is provided with a first mechanical arm bending section, a fixed pulley is further installed on the upper surface of the first mechanical arm bending section, one end of an angle adjusting line is connected with the angle adjusting shell, the other end of the angle adjusting line is connected with an angle line rotating shaft after bypassing the fixed pulley, and the angle line rotating shaft is installed on the second motor.

Further, the inner ring polishing mechanism comprises a connecting rod, a first guide rod, a connecting shaft, a fixed shaft, a third motor, a telescopic sleeve and a polishing shaft which are sequentially connected.

Compared with the prior art, the invention has the beneficial effects that:

1. the sander adopted by the invention comprises a mounting plate, an outer ring polishing mechanism, an edge polishing mechanism and an inner ring polishing mechanism, the outer ring polishing mechanism can polish the outer ring of the spring, particularly, the outer ring polishing mechanism has a high-precision polishing operation effect on some circular springs, the edge polishing mechanism can polish the edge area at the junction of the inner ring and the outer ring, particularly, irregular springs which may be round, rectangular or rod-shaped in shape can be polished by the edge polishing mechanism, and the edge polishing mechanism can polish bent sections, bulges or sunken areas of the irregular structures with high precision, the sander also provides the inner ring polishing mechanism, can polish the inner ring of the spring inner ring or the spring hollow tube, solves the technical problem of how to polish the irregular spring with high precision, and can finish the polishing operation on the spring to be polished with high precision by matching with a clamping mechanism and a lifting mechanism, high efficiency can cooperate present digit control machine tool to use, utilizes the programming of digit control machine tool to design in advance and polishes the estimation, utilizes the abnormal shape spring equipment of polishing that this application set up to polish the operation, has satisfied the high accuracy of polishing to abnormal shape spring.

2. The grinding flange plate of the invention is provided with a flange plate adjusting shaft, the angle of the grinding flange plate can be adjusted through the flange plate adjusting shaft, the grinding flange plate is two L-shaped plates which are oppositely arranged, the side surface of each L-shaped plate is an arc-shaped end surface, the whole polishing expansion plate is integrally in a T-shaped structure with a radian at the top, a certain accommodating space is arranged between the two L-shaped plates, a limiting plate is arranged in the accommodating space, a friction head is arranged at the top of the limiting plate, the friction head of the limiting plate can provide polishing operation for springs to be polished after the polishing flange plate is compressed, the polishing expansion plate is equivalent to a safeguard measure, and for some special springs, its arc angle is great, utilizes the flange board of polishing this moment can't provide effectual polishing and pressure, treats this moment and polishes the friction head that the compression of heterotypic spring can expose the limiting plate top with the flange board of polishing, utilizes the friction head to polish to the spring that has heterotypic.

3. The first polishing unit comprises an annular ring, a polishing expansion plate, a rotating shaft and an annular mounting pipe, wherein the polishing expansion plate and the annular ring are arranged oppositely, a set gap is arranged between the polishing expansion plate and the annular ring, the gap is used for accommodating a spring to be polished, the spring to be polished is tightly attached to the annular ring by utilizing the expansion action of the polishing expansion plate, the spring to be polished is polished in two directions by utilizing the reverse rotating action of the polishing expansion plate relative to the annular ring, the polishing precision and efficiency of the spring to be polished are obviously improved, the outer ring of the spring to be polished can be polished finely, the inner ring of the spring can be polished roughly by utilizing the polishing expansion plate, the spring to be polished can be polished in all-dimensional mode with high precision under the cooperation of fine polishing of the inner ring of an inner ring polishing mechanism, and the high-precision polishing can be realized for the spring to be polished with a special-shaped structure, the polishing precision and efficiency are obviously improved; the annular installation pipe is installed in the pivot, utilizes the second sealing washer to seal between annular installation pipe and the pivot, and driving motor is connected in the pivot, utilizes driving motor to provide the turning force to the pivot for the flange plate of polishing on the driving expansion plate of polishing rotates the coarse polishing to the spring inner circle.

Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic structural view of the profiled spring grinding apparatus of the present invention;

FIG. 2 is a schematic structural view of the sander of the present invention;

FIG. 3 is a schematic structural view of an edge grinding mechanism of the present invention;

FIG. 4 is a schematic view of a polishing unit according to the present invention;

FIG. 5 is a schematic view of a configuration of a grinding flange plate of the present invention;

wherein: 1. mounting a plate; 2. an outer ring polishing mechanism; 3. an edge grinding mechanism; 4. an inner ring polishing mechanism; 11. a sander; 12. polishing the platform; 13. a lighting device; 14. a power source; 15. a spring to be polished; 101. a first fastener; 102. a second fastener; 201. a first drive belt; 202. a first grinding unit; 203. a third fastener; 204. a second polishing unit; 205. a second drive belt; 206. a limiting block; 207. a fourth fastener; 301. a first robot arm; 302. adjusting the angle line; 303. a first telescopic arm; 304. a second telescopic arm; 305. grinding the wheel; 306. a first motor; 307. an angle adjustment housing; 308. a first mechanical arm bending section; 309. a fixed pulley; 310. a second motor; 311. an angle line rotating shaft; 312. a first bracket; 313. a small electric lamp; 401. a second bracket; 402. a telescopic sleeve; 403. a first guide bar; 404. a second guide bar; 405. a third support; 406. a fixing plate; 407. a connecting rod; 408. a first seal ring; 409. a connecting shaft; 410. a fixed shaft; 411. a third motor; 412. grinding the shaft; 2011. an annular ring; 2012. polishing the expansion plate; 2013. a first grinding rotating shaft; 2014. an annular mounting tube; 2015. a second seal ring; 2051. a limiting plate; 2052. a slip ring; 2053. a tension spring; 2054. polishing the flange plate; 2055. A flange plate adjustment shaft; 2056. a hydraulic telescopic shaft; 2057. a base.

The specific implementation mode is as follows:

the invention is further described with reference to the following figures and examples.

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The first embodiment is as follows:

as shown in fig. 1, this embodiment provides a heterotypic spring equipment of polishing, including sander 11, platform 12, lighting apparatus 13 and power 14 of polishing, the lighting apparatus 13 is installed to the top of platform 12 of polishing, and sander 11 is installed to the both sides of platform 12 of polishing, and surface mounting has fixture on the platform 12 of polishing, and fixture is used for the fixed spring 15 of waiting to polish, and elevating gear is installed to the bottom of platform 12 of polishing, and elevating gear is connected with fixture, and elevating gear is used for setting for the height with waiting to polish 15 uplifts of spring, and power 14 is connected with lighting apparatus 13, sander 11 and elevating gear.

As an embodiment, the sander comprises a mounting plate 1, an outer ring polishing mechanism 2, an edge polishing mechanism 3 and an inner ring polishing mechanism 4, wherein the outer ring polishing mechanism 2 is arranged at the center of the mounting plate 1, the edge polishing mechanism 3 is arranged on one side of the mounting plate 1, and the inner ring polishing mechanism 4 is arranged on one side of the outer ring polishing mechanism 2; the mounting plate 1 is mounted to a set area by a first fastener 101 and a second fastener 102, and may be an external mechanical arm or a work surface.

The outer ring grinding mechanism 2 comprises a motor, a first driving belt 201, a second driving belt 205, a first grinding unit 202 and a second grinding unit 204, the motor is connected with the first driving belt 201 and the second driving belt 205 through a rotating shaft or a gear assembly, the first driving belt 201 and the second driving belt 205 are driven to rotate, the first driving belt 201 is connected with the first grinding unit 202, the first driving belt 201 drives the first grinding unit 202 to rotate, the first grinding unit 202 grinds the outer ring of the spring 15 to be ground by using the inner side face of the first grinding unit 202, the second driving belt 205 is connected with the second grinding unit 204, the second driving belt 205 drives the second grinding unit 204 to rotate, and the outer ring of the spring 15 to be ground is ground, and a set number of driving belts and grinding units can be arranged for grinding the outer ring of the spring 15 to be ground.

The first polishing unit 202 comprises an annular ring 2011, a polishing expansion plate 2012, a first polishing rotating shaft 2013, an annular installation pipe 2014 and a second sealing ring 2015, the polishing expansion plate 2012 and the annular ring 2011 are arranged oppositely, a set gap is arranged between the polishing expansion plate 2012 and the annular ring 2011, the gap is used for accommodating a spring 15 to be polished, the spring 15 to be polished is tightly attached to the annular ring 2011 by utilizing the expansion action of the polishing expansion plate 2012, the spring 15 to be polished is bidirectionally polished by utilizing the reverse rotation action of the polishing expansion plate 2012 relative to the annular ring, the polishing precision and efficiency of the spring 15 to be polished are obviously improved, so that the outer ring of the spring 15 to be polished can be finely polished, the inner ring of the spring to be polished can be coarsely polished by utilizing the polishing expansion plate 2012, the polishing spring 15 can be effectively polished by utilizing the fine polishing cooperation of the inner ring of the polishing mechanism to perform all-dimensional polishing with high precision, the spring to be polished with the special-shaped structure can be polished with high precision, and the polishing precision and efficiency are obviously improved; annular installation pipe 2014 is installed on first polishing pivot 2013, utilizes second sealing washer 2015 to seal between annular installation pipe 2014 and the first polishing pivot 2013, and first polishing pivot 2013 is connected driving motor, utilizes driving motor to provide the turning force to first polishing pivot 2013 for the drive is polished the flange plate 2054 of polishing on the expansion plate 2012 and is rotated the coarse grinding to the spring inner circle.

The expansion plate 2012 of polishing is equipped with a plurality ofly, and a plurality of expansion plate annular equipartitions of polishing are on the circumference side of annular installation pipe 2014.

The polishing expansion plate 2012 comprises a limiting plate 2051, a sliding ring 2052, an expansion spring 2053, a polishing flange plate 2054, a flange plate adjusting shaft 2055, a hydraulic expansion shaft 2056 and a base 2057, wherein the limiting plate 2051 is installed at the end part of the hydraulic expansion shaft 2056 and is used for limiting the position of the sliding ring 2052, the sliding ring 2052 is installed on the hydraulic expansion shaft 2056 and can axially move along the hydraulic expansion shaft 2056, the top part of the sliding ring 2052 is limited by the limiting plate 2051, the polishing flange plate 2054 is installed on the side surface of the sliding ring 2052, an expansion spring installation groove is arranged at the bottom part of the sliding ring 2052, one end of the expansion spring 2053 is installed on a fixed point of the hydraulic expansion shaft 2056, the other end of the expansion spring 2053 can move along with the movement of the hydraulic expansion shaft 2056, so that the expansion spring 2053 can always provide a pre-tightening pressure for the sliding ring and can be contracted for a certain distance when the polishing flange plate is subjected to a large force, the radian of the spring to be polished, which can effectively adapt to different specifications and sizes, can be adapted to the high-speed polishing process of the elastic ring to be polished, the buffer pressure simultaneously reduces the local abrasion of the spring to be polished, and the polishing precision and efficiency are improved; and the height of the limiting plate 2051 is adjusted by the aid of the hydraulic telescopic shaft 2056, so that the position of the sliding ring can be effectively adjusted to adapt to springs to be polished with different diameters.

The flange plate 2054 of polishing has flange plate regulating shaft 2055, can adjust the angle of flange plate 2054 of polishing through flange plate regulating shaft 2055, the flange plate of polishing is two L templates that set up relatively, and the side of L template is the arc terminal surface, makes whole telescopic plate 2012 of polishing present the T type structure that the top has the radian wholly, has certain accommodation space between two L templates, sets up limiting plate 2051 in the accommodation space, the top of limiting plate 2051 has the friction head, and the friction head of limiting plate 2051 can provide the polishing operation of treating the spring of polishing after flange plate 2054 of polishing is compressed, is equivalent to a safeguard measure, and for some special profiled springs, its arc angle is great, utilizes the flange plate of polishing to provide effectual polishing and pressure this moment, and the profiled spring of treating to polish can compress the flange plate and expose the friction head at the limiting plate top, the friction head is used for polishing the workpiece.

The first grinding unit 202 is also provided with a limit block clamping groove and a third fastening piece 203, the limit block clamping groove is used for installing a limit block 206, and the first grinding unit 202 is connected with the first driving belt 201 through the limit block 206; the third fastener 203 is used to mount the first grinding unit 202. Similarly, the second polishing unit 204 is also provided with a stopper slot and a fourth fastener 207, and the specific arrangement is the same as that of the first polishing unit.

The edge polishing mechanism 3 comprises a first mechanical arm 301, a first mechanical arm bending section 308, a first telescopic arm 303, a second telescopic arm 304, an angle adjusting shell 307, a first motor 306 and a polishing wheel 305 which are sequentially connected; one end of the first mechanical arm 301 is installed on the installation plate 1, the other end of the first mechanical arm is provided with a first mechanical arm bending section 308, the upper surface of the first mechanical arm bending section 308 is further provided with a fixed pulley 309, one end of the angle adjusting line 302 is connected with an angle adjusting shell 307, the other end of the angle adjusting line is connected with an angle line rotating shaft 311 after bypassing the fixed pulley 309, and the angle line rotating shaft 311 is installed on a second motor 310. A first bracket 312 is further installed on one side of the first mechanical arm 301, and a small electric lamp 313 is installed on the first bracket 312.

The inner ring polishing mechanism 4 comprises a connecting rod 407, a first sealing ring 408, a first guide rod 403, a connecting shaft 409, a fixed shaft 410, a third motor 411, a telescopic sleeve 402 and a polishing shaft 412 which are sequentially connected, and one side surface of the telescopic sleeve 402 is connected with the outer ring polishing mechanism 2 through a second support 401. In one embodiment, the inner ring polishing mechanism is provided with a plurality of inner ring polishing mechanisms, the connecting rod 407 is used for connecting the polishing shaft 412 of the previous inner ring polishing mechanism, and the inner rings of the plurality of springs can be simultaneously polished by the plurality of inner ring polishing mechanisms. As shown in fig. 2, the inner ring grinding mechanism located at the topmost part further includes a second guide bar 404, a third bracket 405, and a fixing plate 406, the fixing plate 406 is connected to the fixing plate 406 using the second guide bar 404, the fixing plate 406 is mounted on the third bracket 405, and the third bracket 405 is mounted on the mounting plate 1.

In one embodiment, the lighting device may be an LED lamp, the power supply 14 may be a 220V ac power supply, and a battery may be used for power supply.

As an implementation mode, the clamping mechanism can adopt a spiral spring test clamp, and comprises a circular base plate, wherein four slide block grooves are uniformly formed in the circular base plate along the circumferential direction; a limiting column is arranged in the center of the circular substrate; the limiting column is a threaded column; the limiting column is provided with an upper spring placing base and a lower spring placing base which are in threaded connection with the limiting column; four spring clamping units and four bolt fastening units matched with the spring clamping units are uniformly arranged on the upper end face of the circular substrate along the circumferential direction; the spring clamping unit comprises a sliding block in sliding fit with the sliding block groove, a spring clamping block connecting column fixed on the upper end face of the sliding block and a spring clamping block fixed on the upper end face of the spring clamping block connecting column; the spring clamping block is provided with a thread groove.

As an embodiment, the lifting mechanism may adopt a screw transmission mechanism, and is connected to the screw through a motor, the screw is driven to rotate, and then the slider on the screw is driven to lift, and the clamping mechanism may be connected to the slider, so that the lifting mechanism drives the clamping mechanism to lift.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

Claims

1. The special-shaped spring polishing equipment is characterized by comprising a polisher (11), a polishing platform (12), lighting equipment (13) and a power supply (14), wherein the lighting equipment (13) is installed above the polishing platform (12), the polishers (11) are installed on two sides of the polishing platform (12), a clamping mechanism is installed on the upper surface of the polishing platform (12) and used for fixing a spring (15) to be polished, a lifting device is installed at the bottom of the polishing platform (12) and connected with the clamping mechanism, the lifting device is used for lifting the spring (15) to be polished to a set height, and the power supply (14) is connected with the lighting equipment (13), the polisher (11) and the lifting mechanism;

the sander (11) comprises a mounting plate (1), an outer ring sanding mechanism (2), an edge sanding mechanism (3) and an inner ring sanding mechanism (4), wherein the outer ring sanding mechanism (2) is arranged at the center of the mounting plate (1), the edge sanding mechanism (3) is arranged on one side of the mounting plate (1), and the inner ring sanding mechanism (4) is arranged on one side of the outer ring sanding mechanism (2); the mounting plate (1) is mounted on a set area of the grinding platform (12) through a first fastener (101) and a second fastener (102);

the outer ring grinding mechanism (2) comprises a motor, a first driving belt (201), a second driving belt (205), a first grinding unit (202) and a second grinding unit (204), wherein the motor is connected with the first driving belt (201) and the second driving belt (205) through a rotating shaft or a gear assembly and drives the first driving belt (201) and the second driving belt (205) to rotate, the first driving belt (201) is connected with the first grinding unit (202), the first driving belt (201) drives the first grinding unit (202) to rotate, the first grinding unit (202) grinds the outer ring of the spring (15) to be ground by using the inner side face, the second driving belt (205) is connected with the second grinding unit (204), and the second driving belt (205) drives the second grinding unit (204) to rotate and grind the outer ring of the spring (15) to be ground;

the first polishing unit (202) comprises an annular ring (2011) and a polishing expansion plate (2012), the polishing expansion plate (2012) and the annular ring (2011) are arranged oppositely, a set gap is formed between the polishing expansion plate (2012) and the annular ring (2011), the gap is used for accommodating a spring (15) to be polished, the spring (15) to be polished is tightly attached to the annular ring (2011) by utilizing the expansion and contraction effect of the polishing expansion plate (2012), and the spring (15) to be polished is subjected to bidirectional polishing by utilizing the reverse rotation effect of the polishing expansion plate (2012) relative to the annular ring (2011);

the polishing expansion plate (2012) comprises a limiting plate (2051), a sliding ring (2052), an expansion spring (2053), a polishing flange plate (2054), a flange plate adjusting shaft (2055), a hydraulic expansion shaft (2056) and a base (2057), the limiting plate (2051) is arranged at the end part of the hydraulic expansion shaft (2056), used for limiting the position of the sliding ring (2052), the sliding ring (2052) is arranged on a hydraulic telescopic shaft (2056), the polishing device can axially move along a hydraulic telescopic shaft (2056), the top of a sliding ring (2052) is limited by a limiting plate (2051), a polishing flange plate (2054) is installed on the side surface of the sliding ring (2052), a telescopic spring (2053) mounting groove is formed in the bottom of the sliding ring (2052), one end of a telescopic spring (2053) is installed on a fixed point of the hydraulic telescopic shaft (2056), the other end of the telescopic spring (2053) is installed in a telescopic spring (2053) mounting groove of the sliding ring (2052), and the telescopic spring (2053) can move along with the movement of the hydraulic telescopic shaft (2056);

the grinding flange plate (2054) is provided with a flange plate adjusting shaft (2055), the angle of the grinding flange plate (2054) can be adjusted through the flange plate adjusting shaft (2055), the grinding flange plate (2054) is composed of two oppositely arranged L-shaped plates, the side surfaces of the L-shaped plates are arc-shaped end surfaces, and the whole grinding expansion plate (2012) is integrally in a T-shaped structure with the arc-shaped top;

a certain containing space is formed between the two L-shaped plates, a limiting plate (2051) is arranged in the containing space, a friction head is arranged at the top of the limiting plate (2051), and the friction head of the limiting plate (2051) can provide polishing operation on the spring (15) to be polished after the polishing flange plate (2054) is compressed and contracted.

2. The profiled spring grinding apparatus according to claim 1, wherein the first grinding unit (202) further comprises a first grinding rotating shaft (2013) and an annular mounting tube (2014), the annular mounting tube (2014) is mounted on the first grinding rotating shaft (2013), the annular mounting tube (2014) and the first grinding rotating shaft (2013) are sealed through a second sealing ring, the first grinding rotating shaft (2013) is connected with a driving motor, and the driving motor is used for providing rotating force for the first grinding rotating shaft (2013); the polishing expansion plates (2012) are arranged in a plurality, and the polishing expansion plates (2012) are annularly and uniformly distributed on the circumferential side surface of the annular mounting pipe (2014).

3. The profiled spring grinding device according to claim 1, wherein the edge grinding mechanism (3) comprises a first mechanical arm (301), a first mechanical arm bending section (308), a first telescopic arm (303), a second telescopic arm (304), an angle adjusting housing (307) and a first motor (306) which are connected in sequence.

4. The special-shaped spring grinding equipment as claimed in claim 3, wherein one end of the first mechanical arm (301) is mounted on the mounting plate (1), the other end of the first mechanical arm is provided with a first mechanical arm bending section (308), the upper surface of the first mechanical arm bending section (308) is further provided with a fixed pulley (309), an angle adjusting line (302) is arranged on the fixed pulley (309), one end of the angle adjusting line (302) is connected with the angle adjusting shell (307), the other end of the angle adjusting line is connected with an angle line rotating shaft (311) after passing around the fixed pulley (309), and the angle line rotating shaft (311) is mounted on the second motor (310).

5. The profiled spring grinding device according to claim 1, characterized in that the inner ring grinding mechanism (4) comprises a connecting rod (407), a first guide rod (403), a connecting shaft (409), a fixed shaft (410), a third motor (411), a telescopic sleeve (402) and a grinding shaft (412) connected in sequence.