CN212634374U

CN212634374U - Punching device for air condition compressor piston

Info

Publication number: CN212634374U
Application number: CN202021272601.5U
Authority: CN
Inventors: 朱先华; 曹勤新; 陆建良
Original assignee: Jiaxing Haoyuan Precision Machinery Co ltd
Current assignee: Jiaxing Haoyuan Precision Machinery Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-02
Anticipated expiration: 2030-07-02

Abstract

The utility model relates to a perforating device for an air condition compressor piston, which comprises a machine table, a first perforating device, a second perforating device, a third perforating device, a workpiece positioning device, a horizontal clamping device, a vertical clamping device and a deburring device, wherein the first perforating device, the second perforating device, the third perforating device, the workpiece positioning device, the horizontal clamping device, the vertical clamping device and the deburring device are arranged on the upper end surface of the machine table; the workpiece positioning device is arranged at the center of the machine table, the first punching device and the second punching device are symmetrically arranged along the axial direction of the machine table, the third punching device, the horizontal clamping device and the vertical clamping device are all arranged along the same central axis of the workpiece positioning device, the third punching device is positioned at the rear side of the workpiece positioning device, the vertical clamping device is positioned between the third punching device and the workpiece positioning device, the horizontal clamping device is positioned at the front side of the workpiece positioning device, and the deburring device is positioned at any side of the front side of the upper end face of the machine table. The utility model discloses have and improve work efficiency, reduce intensity of labour and manufacturing cost, improve beneficial effect such as qualification rate of processing work piece.

Description

Punching device for air condition compressor piston

Technical Field

The utility model relates to a perforating device especially relates to a perforating device for air condition compressor piston, belongs to machine-building equipment technical field.

Background

An air conditioner, i.e. an air conditioner, refers to a process of manually adjusting and controlling parameters such as temperature, humidity, cleanliness, speed and the like of ambient air in a building or structure, and in order to achieve refrigerating capacity in the aspect of refrigeration, household machine air conditioners are generally a rotary compressor, a turbine compressor and a piston compressor, wherein the piston compressor is mature, the piston compressor is a compressor for pressurizing and conveying gas by means of reciprocating motion of a piston, belongs to a displacement compressor, is also called as a reciprocating piston compressor or a reciprocating compressor, and mainly comprises a working chamber, a transmission component, a machine body and an auxiliary component. The piston is driven by the piston rod to reciprocate in the cylinder, the volumes of the working chambers on two sides of the piston are changed in turn, the gas on the side with reduced volume is discharged through the air valve due to increased pressure, the gas on the side with increased volume is sucked through the air valve due to reduced air pressure, the transmission component is used for realizing reciprocating motion, and the crank sleeve connecting rod, the eccentric sliding block, the swash plate and the like are arranged. The compression efficiency is high, the process of compressing gas by the piston compressor belongs to a closed system, the compression efficiency is high, the adaptability is strong, the range of the displacement of the piston compressor is wide, and the influence of the gas density on the performance of the compressor is not as obvious as that of a speed compressor, and the piston compressor with the same specification can be suitable for compressing other gas media only by slightly modifying.

The piston of the air conditioner compressor is provided with three small holes, two oil holes and a pin hole, in the traditional processing technology, each hole is processed separately, the coaxiality requirement of the two oil holes is very high, when manual processing is adopted, the oil holes on two sides need to be processed respectively, after one oil hole is processed, the other oil hole needs to be processed in a repositioning mode, the coaxiality of the two oil holes is difficult to guarantee after secondary positioning, after the oil holes are processed, another tool is needed to process the pin holes on a drilling machine, the processing steps are multiple, the production efficiency is low, the number of piston positioning times is multiple, the punching positioning accuracy cannot be guaranteed, the qualified rate of processed workpieces is reduced, in addition, the number of workers is increased, and the production cost; after the piston punches, its oilhole and pinhole all have the burr, and the existence of burr can increase the loss of piston rod, consequently must get rid of the burr, and consequently still need convey the next process with the piston after punching and carry out burring processing, increased manufacturing procedure, work efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model discloses mainly be to the above-mentioned problem that exists when prior art air condition compressor piston punches, provide a perforating device for air condition compressor piston, this perforating device with the processing integration of two oilholes, a pinhole and burring on the board, reduced manufacturing procedure, improved work efficiency greatly, reduced intensity of labour and manufacturing cost, do not need many times to fix a position in addition, improved the qualification rate of processing work piece.

The purpose of the utility model is mainly realized by the following scheme:

a punching device for an air conditioner compressor piston comprises a machine table, and a first punching device, a second punching device, a third punching device, a workpiece positioning device, a horizontal clamping device, a vertical clamping device and a deburring device which are arranged on the upper end face of the machine table; the workpiece positioning device is arranged in the center of the machine table, the first punching device and the second punching device are arranged in a bilateral symmetry mode along the axial direction of the machine table by taking the workpiece positioning device as a center, the third punching device, the horizontal clamping device and the vertical clamping device are all arranged along the radial direction of the machine table and are arranged along the same central axis line with the workpiece positioning device, the third punching device is positioned on the rear side of the workpiece positioning device, the vertical clamping device is positioned between the third punching device and the workpiece positioning device, the horizontal clamping device is positioned on the front side of the workpiece positioning device, and the deburring device is positioned on any side of the front side of the upper end face of the machine table; the processing integration of two oilholes, a pinhole and burring technology has reduced manufacturing procedure on the board, has improved work efficiency greatly, has reduced intensity of labour and manufacturing cost.

As preferred, first perforating device and second perforating device all include fixed block, spacing seat and drilling unit head, fixed block fixed mounting is on the board, spacing seat fixed mounting is on the fixed block, drilling unit head suit is in spacing seat, and the overhead rotation of drilling unit is connected with driving motor, and the drilling unit head can be dismantled towards workpiece positioning device's one end and be connected with the drill bit.

Preferably, the third punching device comprises a lifting device, a limiting seat and a drilling power head, the lifting device comprises a lifting plate, supporting shafts, a positioning pipe, a fixed seat and a screw rod, the four supporting shafts are arranged on the lower end face of the lifting plate and are vertically arranged, the lower ends of the supporting shafts are installed in the positioning pipe, the fixed seat is arranged at the bottom of the positioning pipe and is fixedly installed on the machine table, the top end of the screw rod is connected to the middle position of the bottom face of the lifting plate, and the bottom end of the screw rod is in threaded connection with a threaded hole in the machine table and penetrates through the upper face of the machine table; spacing seat fixed mounting is in the lifter plate upper end, the drilling unit head suit is in spacing seat, and rotates on the drilling unit head and be connected with driving motor, and the drilling unit head can be dismantled towards workpiece positioning device's one end and be connected with the drill bit.

Preferably, the vertical clamping device comprises a first cylinder support, a first pressing cylinder and a first pressing column, the first cylinder support is a C-shaped support, a bottom transverse plate of the first cylinder support is fixedly mounted on the machine table, a drilling groove for the third punching device to drill in and out is formed in a vertical plate of the first cylinder support, the top transverse plate of the first cylinder support is fixedly connected with the first pressing cylinder, one end, facing the workpiece positioning device, of the first pressing cylinder is detachably connected with the first pressing column used for pressing the workpiece, and a groove matched with the side wall of the workpiece is formed in the bottom end of the first pressing column.

Preferably, the horizontal clamping device comprises a second air cylinder support, a second pressing air cylinder and a second pressing column, the second air cylinder support is an L-shaped support, the second pressing air cylinder is fixedly mounted on the upper portion of a vertical plate of the second air cylinder support, and one end, facing the workpiece positioning device, of the second pressing air cylinder is detachably connected with the second pressing column used for pressing the workpiece.

Preferably, the deburring device comprises a support frame, a rotating motor and a rotating head, the support frame is a Z-shaped support, the rotating motor is fixedly mounted on a top transverse plate of the support frame, the rotating motor is detachably connected with the rotating head used for deburring a workpiece towards one end of a machine table, and a brush is arranged at the bottom end of the rotating head.

Preferably, the workpiece positioning device comprises a fixed table, a rotating mechanism, a workpiece fixing plate and a V-shaped clamping block, the fixed table is fixedly installed on the machine table, the rotating mechanism comprises a rotating plate located at the upper end of the fixed table and a rotating disk located inside the bottom end of the fixed table, the rotating plate is fixedly connected with the rotating disk, the rotating mechanism can rotate along the central axis of the fixed table, scales are further arranged on the rotating disk, the workpiece fixing plate is fixedly installed at the upper end of the rotating plate, the V-shaped clamping block is installed at the upper end of the workpiece fixing plate, and the V-shaped clamping block can move back and forth on the workpiece fixing.

Preferably, a first guide block is arranged at the front end of the V-shaped clamping block, a second guide block is arranged at the rear end of the V-shaped clamping block, guide holes are formed in the first guide block and the second guide block respectively, a guide seat is further fixedly arranged on the second guide block, and a positioning block for positioning a workpiece is further inserted into the V-shaped clamping block.

Preferably, the hairbrush is a wire brush.

Preferably, the machine table is further provided with a control panel, a lighting lamp, a first starting button and a second starting button.

Therefore, the utility model discloses possess following advantage:

(1) the utility model integrates the processing of two oil holes and a pin hole on a machine table, the workpiece only needs one-time tooling, one operator can complete three punching processes at one time, the clamping steps are less, the error rate is low, the qualified rate of the workpiece is high, the production efficiency is high, in addition, the operators are reduced, and the production cost is reduced;

(2) the utility model discloses a be provided with burring device on the board, can directly carry out burring processing at the board after work piece processing is accomplished, production efficiency is high, has reduced intensity of labour, and the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic front view of the present invention;

fig. 3 is a schematic side view of the present invention;

fig. 4 is a schematic top view of the present invention;

fig. 5 is a schematic structural view of the first punching device and the second punching device of the present invention;

FIG. 6 is a schematic structural view of a third punching device of the present invention;

FIG. 7 is a schematic structural view of the workpiece positioning device of the present invention;

fig. 8 is a schematic structural view of the V-shaped clamping block of the present invention.

Illustration of the drawings: 1-machine table, 2-first punching device, 3-second punching device, 4-third punching device, 5-workpiece positioning device, 6-horizontal clamping device, 7-vertical clamping device, 8-deburring device, 9-fixed block, 10-limiting seat, 11-drilling power head, 12-driving motor, 13-drill bit, 14-lifting plate, 15-supporting shaft, 16-positioning pipe, 17-fixed seat, 18-screw rod, 19-threaded hole, 20-first air cylinder bracket, 21-first pressing air cylinder, 22-first pressing column, 23-drilling groove, 24-groove, 25-second air cylinder bracket, 26-second pressing air cylinder, 27-second pressing column, 28-supporting frame, 29-rotating motor, 30-rotating head, 31-brush, 32-fixed table, 33-workpiece fixing plate, 34-V-shaped clamping block, 35-rotating plate, 36-rotating disk, 37-scale, 38-first guide block, 39-second guide block, 40-guide hole, 41-guide seat, 42-workpiece, 43-first start button and 44-second start button.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model provides a technical scheme, a perforating device for air condition compressor piston, which comprises a machine table 1, a first perforating device 2, a second perforating device 3, a third perforating device 4, a workpiece positioning device 5, a horizontal clamping device 6, a vertical clamping device 7 and a deburring device 8, wherein the first perforating device, the second perforating device 3, the third perforating device 4, the workpiece positioning device 5, the horizontal clamping device 6, the vertical clamping device 7 and the deburring device 8 are arranged on the upper end surface of the machine table 1; the workpiece positioning device 5 is arranged at the center of the machine table 1, the first punching device 2 and the second punching device 3 are arranged in a bilateral symmetry mode by taking the workpiece positioning device 5 as a center along the axial direction of the machine table 1, the third punching device 4, the horizontal clamping device 6 and the vertical clamping device 7 are arranged along the radial direction of the machine table 1 and the same central axis of the workpiece positioning device 5, the third punching device 4 is located on the rear side of the workpiece positioning device 5, the vertical clamping device 7 is located between the third punching device 4 and the workpiece positioning device 5, the horizontal clamping device 6 is located on the front side of the workpiece positioning device 5, and the deburring device 8 is located on the left side of the front side of the upper end face of the machine table 1.

As shown in fig. 5, first perforating device 2 and second perforating device 3 are by fixed block 9, spacing seat 10 and drilling unit head 11 are constituteed, fixed block 9 fixed mounting is on board 1, spacing seat 10 fixed mounting is on fixed block 9, drilling unit head 11 suit is in spacing seat 10, and rotate on the drilling unit head 11 and be connected with driving motor 12, drilling unit head 11 can be dismantled towards the one end of work piece positioner 5 and be connected with drill bit 13, when work piece 42 is placed in work piece positioner 5 and the location is pressed from both sides tightly, two drilling unit head 11 drive work ends about drive two drill bit 13 relative motion, and to the accurate drilling in work piece 42 both sides of location.

As shown in fig. 6, the third drilling device 4 is composed of a lifting device, a limiting seat 10 and a drilling power head 11, the lifting device is composed of a lifting plate 14, supporting shafts 15, a positioning tube 16, fixing seats 17 and a screw rod 18, the lower end surface of the lifting plate 14 is provided with the four supporting shafts 15, the supporting shafts 15 are vertically arranged, the lower ends of the supporting shafts 15 are installed in the positioning tube 16, the fixing seats 17 are arranged at the bottom of the positioning tube 16, the fixing seats 17 are fixedly installed on the machine table 1, the top end of the screw rod 18 is connected to the middle position of the bottom surface of the lifting plate 14, the bottom end of the screw rod 18 is in threaded connection with a threaded hole 19 on the machine table 1 and penetrates through the upper surface of the machine table 1, the rotating screw rod 18 drives the lifting plate 14 to slide up; spacing seat 10 fixed mounting is in the upper end of lifter plate 14, and drilling unit head 11 suit is in spacing seat 10, and rotates on the drilling unit head 11 and is connected with driving motor 12, and drilling unit head 11 can be dismantled towards the one end of work piece positioner 5 and be connected with drill bit 13, and when two drilling unit head 11 drive work ends drive two drill bits 13 relative motion about, the drilling unit head 11 drive work end in the back drove drill bit 13 and move forward to the accurate drilling of work piece 42 rear side of location.

As shown in fig. 4, the vertical clamping device 7 is composed of a first cylinder support 20, a first pressing cylinder 21 and a first pressing column 22, the first cylinder support 20 is a C-shaped support, a bottom cross plate of the first cylinder support 20 is fixedly installed on the machine table 1, a drilling groove 23 for allowing the third drilling device 4 to enter and exit the drilling hole is formed in a vertical plate of the first cylinder support 20, the first pressing cylinder 21 is fixedly connected to a top cross plate of the first cylinder support 20, the first pressing column 22 for pressing the workpiece 42 is detachably connected to one end, facing the workpiece positioning device 5, of the first pressing cylinder 21, a groove 24 matched with a side wall of the workpiece 42 is formed in the bottom end of the first pressing column 22, during machining, the workpiece 42 is placed on the workpiece positioning device 5 for fixation, the first pressing cylinder 21 is ventilated, the workpiece 42 is pressed downward from top by the first pressing column 22, and the outer circumference of the workpiece 42 is clamped by the groove 24, the workpiece 42 is ensured not to be loosened during processing.

As shown in fig. 3, the horizontal clamping device 6 is composed of a second cylinder support 25, a second pressing cylinder 26 and a second pressing column 27, the second cylinder support 25 is an L-shaped support, the second pressing cylinder 26 is fixedly installed on the upper portion of the vertical plate of the second cylinder support 25, the second pressing column 27 for pressing the workpiece 42 is detachably connected to one end of the second pressing cylinder 26 facing the workpiece positioning device 5, the workpiece 42 is placed on the workpiece positioning device 5 and fixed, the workpiece 42 is pressed from front to back by the second pressing column 27 after the second pressing cylinder 26 is ventilated and is matched with the vertical clamping device 7 for use, so that the workpiece 42 is not loosened during processing, when the workpiece 42 enters the workpiece positioning device 5, the output ends of the second pressing cylinder 26 and the first pressing cylinder 21 act sequentially to extend towards the front end and the upper end of the workpiece 42, and drive the second pressing column 27 and the first pressing column 22 to clamp the workpiece 42.

The deburring device 8 comprises a supporting frame 28, a rotating motor 29 and a rotating head 30, the supporting frame 28 is a Z-shaped support, the rotating motor 29 is fixedly installed on a top transverse plate of the supporting frame 28, the rotating motor 29 is detachably connected with the rotating head 30 used for deburring a workpiece 42 towards one end of the machine table 1, a brush 31 is arranged at the bottom end of the rotating head 30, the brush 31 adopts a steel wire brush, and after drilling of the workpiece 42 is completed, a cavity of the workpiece 42 is inserted into the brush 31 to perform deburring treatment.

As shown in fig. 7, the workpiece positioning device 5 includes a fixed table 32, a rotating mechanism, a workpiece fixing plate 33 and a V-shaped clamp block 34, the fixed table 32 is fixedly arranged on the machine table 1, the rotating mechanism comprises a rotating plate 35 positioned at the upper end of the fixed table 32 and a rotating disk 36 positioned inside the bottom end of the fixed table 32, the rotating plate 35 is fixedly connected with the rotating disk 36, and the rotating mechanism can rotate along the central axis of the fixed table 32, the rotating disc 36 is also provided with a scale 37, the workpiece fixing plate 33 is fixedly arranged at the upper end of the rotating plate 35, the V-shaped clamping block 34 is arranged at the upper end of the workpiece fixing plate 33, the V-shaped clamping block 34 can move back and forth on the workpiece fixing plate 33, a groove is arranged on the workpiece fixing plate 33, the V-shaped clamping block 34 is arranged in the groove in a matching way and is fixed by screws, when the clamping device is used for workpieces of different types, the V-shaped clamping blocks 34 can move in the grooves, and the front-back distance is adjusted.

As shown in fig. 8, a first guide block 38 is disposed at the front end of the V-shaped clamping block 34, a second guide block 39 is disposed at the rear end of the V-shaped clamping block 34, guide holes 40 are formed in the first guide block 38 and the second guide block 39, a guide seat 41 is further fixedly disposed on the second guide block 39, a positioning block for positioning a workpiece 42 is further inserted into the V-shaped clamping block 34, and the positioning block corresponds to a ball socket on the outer circumference of the piston of the air conditioner compressor.

Still be provided with PLC control panel on board 1, the light, first start button 43 and second start button 44, first cylinder 21 that compresses tightly, the second compresses tightly cylinder 26, the light, driving motor 12 and rotating electrical machines 29's input all with control panel's output electric connection, first start button 43 is located horizontal clamping device 6 left side, second start button 44 is located horizontal clamping device 6 right side, first start button 43 controls first cylinder 21 and the second that compresses tightly of first start button 43 and compresses tightly the action of cylinder 26, second start button 44 controls driving motor 12 and rotating electrical machines 29 action, the light stretches to the top side of work piece positioner 5.

The utility model relates to a perforating device's theory of operation for air condition compressor piston: an operator installs a piston to be punched on the V-shaped clamping block 34 and aligns a ball socket on the outer circumference of the piston through a positioning block on the V-shaped clamping block 34 to complete the feeding process of the piston; the first starting button 43 is pressed, the first pressing cylinder 21 and the second pressing cylinder 26 are started, and the second pressing cylinder 26 and the first pressing cylinder 21 act in sequence to drive the second pressing column 27 and the first pressing column 22 to extend to the front side and the upper side of the piston respectively and clamp the piston tightly; then press second start button 44, start first perforating device 2, second perforating device 3, third perforating device 4, three drilling devices drill simultaneously, to the accurate drilling of the piston of location, after the drilling is accomplished, first perforating device 2, second perforating device 3, third perforating device 4 are automatic simultaneously and are kept away from the piston, then horizontal clamping device 6 and vertical clamping device 7 loosen the piston, operating personnel takes off the piston, inserts the piston on brush 31 and carries out the burring processing.

It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Claims

1. The utility model provides a perforating device for air condition compressor piston which characterized in that: the punching device comprises a machine table (1), and a first punching device (2), a second punching device (3), a third punching device (4), a workpiece positioning device (5), a horizontal clamping device (6), a vertical clamping device (7) and a deburring device (8) which are arranged on the upper end surface of the machine table (1); the workpiece positioning device (5) is arranged at the center of the machine table (1), the first punching device (2) and the second punching device (3) are arranged along the axial direction of the machine table (1) by taking the workpiece positioning device (5) as the center in a bilateral symmetry mode, the third punching device (4), the horizontal clamping device (6) and the vertical clamping device (7) are arranged along the radial direction of the machine table (1) and the same central axis of the workpiece positioning device (5), the third punching device (4) is located on the rear side of the workpiece positioning device (5), the vertical clamping device (7) is located between the third punching device (4) and the workpiece positioning device (5), the horizontal clamping device (6) is located on the front side of the workpiece positioning device (5), and the deburring device (8) is located on any side of the front side of the upper end face of the machine table (1).

2. A perforating device for air condition compressor pistons as claimed in claim 1, characterized in that: first punching device (2) and second punching device (3) all include fixed block (9), spacing seat (10) and drilling unit head (11), fixed block (9) fixed mounting is on board (1), spacing seat (10) fixed mounting is on fixed block (9), drilling unit head (11) suit is in spacing seat (10), and rotates on drilling unit head (11) and is connected with driving motor (12), and drilling unit head (11) can be dismantled towards the one end of work piece positioner (5) and be connected with drill bit (13).

3. A perforating device for air condition compressor pistons as claimed in claim 2, characterized in that: the third punching device (4) comprises a lifting device, a limiting seat (10) and a drilling power head (11), the lifting device comprises a lifting plate (14), supporting shafts (15), a positioning tube (16), a fixing seat (17) and a screw rod (18), the four supporting shafts (15) are arranged on the lower end face of the lifting plate (14), the supporting shafts (15) are vertically arranged, the lower end of each supporting shaft (15) is installed in the positioning tube (16), the fixing seat (17) is arranged at the bottom of the positioning tube (16), the fixing seat (17) is fixedly installed on the machine table (1), the top end of the screw rod (18) is connected to the middle position of the bottom face of the lifting plate (14), and the bottom end of the screw rod (18) is in threaded connection with a threaded hole (19) in the machine table (1) and penetrates through the upper face of the machine table (1; the limiting seat (10) is fixedly arranged at the upper end of the lifting plate (14).

4. A perforating device for air condition compressor pistons as claimed in claim 3, characterized in that: vertical clamping device (7) include first cylinder support (20), first compress tightly cylinder (21) and first compress tightly post (22), first cylinder support (20) are C type support, and the bottom diaphragm fixed mounting of first cylinder support (20) is on board (1), and it has drilling groove (23) that supply third perforating device (4) business turn over drilling to open on the riser of first cylinder support (20), fixedly connected with on the top diaphragm of first cylinder support (20) first compress tightly cylinder (21), and first compress tightly cylinder (21) can dismantle towards the one end of work piece positioner (5) and be connected with and be used for compressing tightly work piece (42) first compress tightly post (22), the bottom that first compress tightly post (22) is opened have with work piece (42) lateral wall assorted recess (24).

5. A perforating device for air condition compressor pistons as claimed in claim 4, characterized in that: horizontal clamping device (6) compress tightly cylinder (26) and second including second cylinder support (25), second and compress tightly post (27), second cylinder support (25) are L type support, second compresses tightly cylinder (26) fixed mounting on the riser upper portion of second cylinder support (25), and second compresses tightly cylinder (26) and can dismantle towards the one end of work piece positioner (5) and be connected with the second that is used for compressing tightly work piece (42) and compress tightly post (27).

6. A perforating device for air condition compressor pistons as claimed in claim 5, characterized in that: the deburring device (8) comprises a support frame (28), a rotating motor (29) and a rotating head (30), the support frame (28) is a Z-shaped support, the rotating motor (29) is fixedly installed on a top transverse plate of the support frame (28), the rotating motor (29) is detachably connected with the rotating head (30) used for deburring a workpiece (42) towards one end of the machine table (1), and a brush (31) is arranged at the bottom end of the rotating head (30).

7. A perforating device for air condition compressor pistons as claimed in claim 6, characterized in that: workpiece positioning device (5) are including fixed station (32), rotary mechanism, work piece fixed plate (33) and V type clamp splice (34), fixed station (32) fixed mounting is on board (1), rotary mechanism is including rotor plate (35) and the inside rotary disk (36) of fixed station (32) bottom that are located fixed station (32) upper end, rotor plate (35) and rotary disk (36) fixed connection, and rotary mechanism can follow the central axis rotation of fixed station (32), still is equipped with scale (37) on rotary disk (36), work piece fixed plate (33) fixed mounting is in rotor plate (35) upper end, the upper end at work piece fixed plate (33) is installed in V type clamp splice (34), and V type clamp splice (34) can be on work piece fixed plate (33) back-and-forth movement.

8. The perforating device for the air condition compressor piston as recited in claim 7, wherein: the front end of V type clamp splice (34) is equipped with first guide block (38), and the rear end of V type clamp splice (34) is equipped with second guide block (39), all opened guiding hole (40) on first guide block (38) and second guide block (39), still fixed guide holder (41) that are equipped with on second guide block (39), still be equipped with the locating piece that is used for fixing a position work piece (42) on V type clamp splice (34).

9. A perforating device for air condition compressor pistons as claimed in claim 6, characterized in that: the hairbrush (31) adopts a steel wire brush.

10. A perforating device for air condition compressor pistons as claimed in claim 1, characterized in that: the machine table (1) is also provided with a control panel, a lighting lamp, a first starting button (43) and a second starting button (44).