CN213316338U

CN213316338U - Belt cleaning device is used in production of exhaust gas recirculation cooler precision stamping workpiece

Info

Publication number: CN213316338U
Application number: CN202021482711.4U
Authority: CN
Inventors: 王桢; 章秀珍; 刘超超; 汪洋
Original assignee: Huzhou De'erfu Automobile Components Co ltd
Current assignee: Huzhou De'erfu Automobile Components Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-06-01
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a belt cleaning device is used in production of accurate stamping workpiece of exhaust gas recirculation cooler, the power distribution box comprises a box body, box top lid has closed the lid, fixed mounting has the base in the box, the motor chamber has been seted up in the base, motor intracavity fixed mounting has drive clamping device, drive clamping device's exposed core centre gripping is fixed with the work piece, fixed mounting has the clean piece that is used for the clean work piece outer wall on the inner wall of base upper portion one side, the hot vent has been seted up to the opposite side on base upper portion, the lower fixed surface of lid installs the clean section of thick bamboo of inner wall, it is rotatory through clamping device, clean inside and outside wall of a clean section of thick bamboo, hot vent is bloied and is carried out hot air drying's form and is wash.

Description

Belt cleaning device is used in production of exhaust gas recirculation cooler precision stamping workpiece

The technical field is as follows:

the utility model relates to an exhaust gas recirculation cooler field especially relates to a belt cleaning device is used in production of exhaust gas recirculation cooler precision punching part.

Background art:

exhaust gas recirculation system is among the automobile engine widely used, effectively reduce the emission of the oxynitride in the exhaust emission, reduce the calorific capacity of mist in the engine simultaneously, reduce the temperature in the jar, and need the cooler to reduce the stability of circulating exhaust gas among the exhaust gas recirculation, the processing of this cooler has directly influenced exhaust gas recirculation system's effect, because the washing of cooler precision stamping workpiece can produce the influence on processing to the welding of follow-up this stamping workpiece, so it is very important to improve cleaning efficiency and cleaning performance, and there is the cleaning performance low in the manual cleaning, the poor shortcoming of cleaning performance, we provide a high efficiency in the present case, the high exhaust gas recirculation cooler precision stamping workpiece of cleanliness factor belt cleaning device for production.

The utility model has the following contents:

the utility model discloses an improve the cleaning efficiency of accurate stamping workpiece in the automatic punching production, improve the cleaning performance, and the production belt cleaning device of using of an exhaust gas recirculation cooler accurate stamping workpiece that provides.

The technical solution of the utility model is as follows:

the utility model provides a belt cleaning device is used in production of accurate stamping workpiece of exhaust gas recirculation cooler, including bottom plate and box, fixed mounting has the box on the bottom plate, box top lid has closed lid, its characterized in that: the improved cleaning device is characterized in that a base is fixedly mounted in the box body, a motor cavity is formed in the base, a driving clamping device is fixedly mounted in the motor cavity, a workpiece is fixedly clamped at a clamping end of the driving clamping device, a cleaning block used for cleaning the outer wall of the workpiece is fixedly mounted on the inner wall of one side of the upper portion of the base, a thermal ventilation opening is formed in the other side of the upper portion of the base, and an inner wall cleaning barrel is fixedly mounted on the lower surface of the cover body.

Preferably, the driving clamping device comprises a driving device fixedly installed in the motor cavity, the output end of the driving device is fixedly provided with a clamping device, and the clamping device comprises a connecting rod mechanism and a clamping seat matched with the connecting rod mechanism.

Preferably, the link mechanism includes a main rod fixedly connected to the output end of the driving device, outer diameter clamping rods are arranged on two sides of the main rod, inner diameter clamping rods coplanar with the main rod are arranged between the main rod and the outer diameter clamping rods, the inner diameter clamping rods and the outer diameter clamping rods are hinged to the main rod through connecting rods, a hinge point of the main rod is located below a hinge point of the inner diameter clamping rods, and a hinge point of the outer diameter clamping rods is located below a hinge point of the main rod.

Preferably, the grip slipper is including the grip slipper body, the upper surface of grip slipper body is seted up flutedly, the middle part of the tank bottom of recess extremely the lower part of grip slipper body has been seted up and has been convenient for gliding logical groove about the mobile jib, it is convenient to be formed between logical groove and the recess the first glide plane that removes about the external diameter clamping bar, the recess along the equal shaping in both sides of the length direction of recess has the spout of two symmetries, spout bottom extremely the bottom distance A of recess is less than the pin joint of mobile jib arrives the distance of the pin joint of external diameter clamping bar, two sliding connection has the supporting shoe of L shape between the spout, the bottom shaping of supporting shoe has the convenience the gliding second glide plane of internal diameter clamping bar.

Preferably, the driving device includes a push rod motor capable of pulling the main rod and a motor capable of rotating the holder.

Preferably, the inner wall cleaning cylinder is in a boss shape, the cleaning block is in a step shape, and the cleaning surfaces of the cleaning block and the inner wall cleaning cylinder are matched with the surface of a workpiece.

Preferably, a backboard perpendicular to the bottom plate is fixedly mounted on the bottom plate, a top plate perpendicular to the backboard is fixedly mounted on the backboard, a pneumatic working cylinder is fixedly mounted on the lower surface of the top plate, the cover body is fixedly mounted on the output end of the pneumatic working cylinder, and an inner wall cleaning channel used for communicating the inner wall cleaning cylinder is formed in the upper surface of the cover body.

Preferably, the lower part of the base is provided with an air outlet used for being communicated with the motor cavity, and the side wall of the upper part of the base is provided with an outer wall cleaning channel used for being communicated with the cleaning block.

Preferably, the cleaning block and the inner wall cleaning cylinder are provided with a plurality of fine holes inside, are soft and have high resilience, and are provided with hairbrushes on the cleaning surfaces.

The beneficial effects of the utility model reside in that:

1. the utility model discloses a belt cleaning device is used in production of accurate stamping workpiece of exhaust gas recirculation cooler, the box internal fixation installs the base, the motor chamber has been seted up in the base, motor intracavity fixed mounting has the drive clamping device, the drive clamping device includes the drive arrangement of fixed mounting in the motor chamber, fixed mounting has clamping device on the output of drive arrangement, the centre gripping of drive clamping device is fixed with the work piece, fixed mounting has the cleaning piece that is used for cleaning the work piece outer wall on the inner wall of one side of base upper portion, the opposite side of base upper portion has seted up the hot vent, the lower fixed surface of lid has an inner wall cleaning barrel, through clamping device centre gripping stamping workpiece, through the work piece of drive arrangement rotation, utilize the mode friction cleaning barrel of work piece rotation, cooperate the anhydrous cleaning agent of impressing in the cleaning barrel, cleaning the oil stain of the stamping part, introducing hot drying air to dry the stamping part through the hot vent, dissipating heat through the heat dissipation port, and exhausting air through the air outlet, so that the effect of quickly cleaning the stamping part is realized, and the purposes of improving the cleaning efficiency and the cleaning effect are achieved.

2. The utility model discloses a belt cleaning device is used in production of accurate stamping workpiece of exhaust gas recirculation cooler, the centre gripping of drive clamping device is fixed with the work piece, drive clamping device includes the drive arrangement who fixedly installs in the motor chamber, drive arrangement includes the push rod motor that can pull the mobile jib and can rotate the motor of grip slipper, fixedly mounted with the cleaning piece that is used for cleaning the work piece outer wall on the inner wall of one side of base upper portion, the opposite side of base upper portion has seted up hot vent, the lower surface of lid is fixed and is installed the inner wall cleaning barrel, through the mode of rotating the work piece, cleaning barrel is motionless, has fully utilized anhydrous detergent, reduces the waste of detergent, cooperates the mode of work piece friction cleaning barrel, cleaner than the solvent, has improved the cleaning effect, and anhydrous detergent has volatility simultaneously, so that the drying step is faster and the cleaning efficiency is improved.

3. The utility model relates to a cleaning device for producing precise stamping parts of an exhaust gas recirculation cooler, wherein a driving clamping device comprises a driving device fixedly arranged in a motor cavity, a clamping device is fixedly arranged on the output end of the driving device, the clamping device comprises a clamping seat and a connecting rod mechanism, the connecting rod mechanism comprises a main rod fixedly connected with the output end of the driving device, outer diameter clamping rods are arranged at two sides of the main rod, inner diameter clamping rods which are coplanar with the main rod and the outer diameter clamping rods are arranged between the main rod and the outer diameter clamping rods, the inner diameter clamping rods and the outer diameter clamping rods are hinged with the main rod through connecting rods, the hinge point of the main rod is arranged below the hinge point of the inner diameter clamping rods, the hinge point of the outer diameter clamping rods is arranged below the hinge point of the main rod, and the inner diameter clamping rods are pushed upwards to move outwards along the radial direction by driving device driving the, the outer diameter clamping rod moves inwards along the radial direction to clamp the pipe orifice of the stamping part, the main rod is driven to be pulled down through the driving device to move the inner diameter clamping rod inwards along the radial direction, the outer diameter clamping rod moves outwards along the radial direction, and therefore the mode of loosening the pipe orifice of the stamping part is achieved.

4. The utility model discloses a belt cleaning device is used in production of accurate stamping workpiece of exhaust gas recirculation cooler, the hot vent has been seted up to the opposite side on base upper portion, the lower part of base is offered and is used for the intercommunication the air outlet in motor chamber, the lid is opened there are a plurality of louvres, and the hot vent in upper portion lets in hot dry wind, airs exhaust from the lower part air outlet for the air current in the cleaning device flows, and the quick heat dissipation of cooperation louvre has reduced the stoving required time, improves clean efficiency, realizes quick cleanness.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of the present invention when the cover body is not closed;

fig. 3 is a top view of the holder of the present invention;

fig. 4 is a schematic sectional view of the present invention along the sectional line a-a of fig. 3;

fig. 5 is a schematic view of the link mechanism clamping of the present invention;

fig. 6 is a schematic releasing view of the link mechanism of the present invention;

FIG. 7 is a schematic front view of a workpiece according to the present invention;

fig. 8 is a schematic view of the inversion of the workpiece according to the present invention.

In the drawings: 1. a base plate; 2. a box body; 3. a cover body; 4. a base; 5. a motor cavity; 6. driving the clamping device; 7. a workpiece; 8. a cleaning block; 9. a thermal vent; 10. an inner wall cleaning cylinder; 11. a drive device; 12. a clamping device; 13. a link mechanism; 14. a back plate; 15. a top plate; 16. a pneumatic working cylinder; 17. an inner wall cleaning channel; 18. an air outlet; 19. an outer wall cleaning channel; 20. a groove; 21. a through groove; 22. a support block; 23. a main rod; 24. an outer diameter clamping bar; 25. an inner diameter clamping bar; 26. a clamping seat; 27. heat dissipation holes; 28. a clamping seat body; 29. a chute; 30. a first sliding surface; 31. a second sliding surface.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a belt cleaning device is used in production of accurate stamping workpiece of exhaust gas recirculation cooler, including bottom plate 1 and box 2, fixed mounting has box 2 on the

bottom plate

1, 2 top lids of box have closed lid 3, its characterized in that: fixed mounting has base 4 in the box 2, motor chamber 5 has been seted up in the base 4, fixed mounting has drive clamping device 6 in the motor chamber 5, clamping device 12's exposed core is up, the exposed core centre gripping of drive clamping device 6 is fixed with work piece 7, fixed mounting has the clean piece 8 that is used for cleaning the work piece outer wall on the inner wall of 4 upper portions one side of base, hot vent 9 has been seted up to the opposite side on 4 upper portions of base, the lower fixed surface of lid 3 installs the clean section of thick bamboo 10 of inner wall.

Specifically, the air outlet of the hot air vent 9 blowing to the workpiece 7 may be divided into a plurality of fine holes for ventilation, so as to increase the ventilation area and improve the hot air coverage rate.

Specifically, the cover 3 is a top cover.

Specifically, as shown in fig. 7 and 8, the workpiece 7 according to the present invention is an egr cooler precision stamping part, which is a stamping part, and has a trough-shaped housing, a through hole is formed in the bottom of the housing, and a tubular structure is extended along the through hole to the bottom, so as to form a structure of the stamping part.

Specifically, the driving clamping device 6 comprises a driving device 11 fixedly installed in the motor cavity 5, a clamping device 12 is fixedly installed at an output end of the driving device 11, and the clamping device 12 comprises a link mechanism 13 and a clamping seat 26 matched with the link mechanism 13.

Specifically, the link mechanism 13 includes a main rod 23 fixedly connected to the output end of the driving device 11, outer diameter clamping rods 24 are arranged on two sides of the main rod 23, inner diameter clamping rods 25 coplanar with the main rod 23 are arranged between the main rod 23 and the outer diameter clamping rods 24, the inner diameter clamping rods 25 and the outer diameter clamping rods 24 are hinged to the main rod 23 through connecting rods, a hinge point of the main rod 23 is located below a hinge point of the inner diameter clamping rods 25, and a hinge point of the outer diameter clamping rods 24 is located below a hinge point of the main rod 23.

Specifically, a rubber sleeve or a clamping head matched with a workpiece can be sleeved on the clamping end of the link mechanism 13 to increase the friction force during clamping, the rubber sleeve is the prior art, and therefore the description is omitted in the present case, and the clamping head is the prior art, and therefore the description is omitted in the present case.

In particular, the link mechanism 13 may be a multi-claw mechanism, and the effect is consistent.

Specifically, the holder 26 includes a holder body 28, the upper surface of the holder body 28 is provided with a groove 20, a through groove 21 facilitating the up-and-down sliding of the main rod 23 is provided from the middle of the bottom of the groove 20 to the lower portion of the holder body 28, a first sliding surface 30 facilitating the left-and-right movement of the outer diameter clamping bar 24 is formed between the through groove 21 and the groove 20, two symmetrical sliding grooves 29 are formed on both sides of the groove 20 along the length direction of the groove 20, a distance a from the bottom of the sliding groove 29 to the bottom of the groove 20 is smaller than a distance from a hinge point of the main rod 23 to a hinge point of the outer diameter clamping bar 24, an L-shaped support block 22 is slidably connected between the two sliding grooves 29, a second sliding surface 31 facilitating the sliding of the inner diameter clamping bar 25 is formed on the bottom of the support block 22, and the link mechanism 13 is mounted on the holder 26 when in use, specifically, the main rod 23 is slidably connected to the through groove 21, the bottom end of the outer diameter clamping rod 24 is slidably connected to the first sliding surface 30, and the bottom end of the inner diameter clamping rod 25 is slidably connected to the second sliding surface 31.

Specifically, the position of the slide groove may be adjusted so that the support block 22 does not affect the movement of the link mechanism, and when the link mechanism 13 is a multi-claw mechanism, the clamping seat 26 should also adjust the number of the groove so as to be matched with the link mechanism 13.

Specifically, the driving device 11 includes a push rod motor capable of pulling the main rod 23 and a motor capable of rotating the holder 26.

Specifically, the driving device may be a combination of motors, and the combination of the motors may be a push rod motor installed on the output shaft plane of the rotating motor, so as to rotate the clamping device 12 and drive the clamping device 12 to clamp.

Specifically, the inner wall cleaning cylinder 10 is in a boss shape, the cleaning block 8 is in a step shape, and the cleaning surfaces of the cleaning block 8 and the inner wall cleaning cylinder 10 are matched with the surface of the workpiece 7.

Specifically, according to the structure of the stamping part, the inner wall cleaning cylinder 10 is soft and elastic, meanwhile, the boss of the inner wall cleaning cylinder 10 can be a circular truncated cone boss, the upper circular truncated cone is used for cleaning the inner wall of the tubular structure, the lower circular truncated cone is used for cleaning the inner wall of the water groove shape, the cleaning block 8 is soft and elastic, the ladder shape of the cleaning block can be a right-angle ladder platform, the ladder shape structure of the ladder platform is used for attaching to the outer wall of the stamping part, and meanwhile, the clamping device clamps the lower end of the tubular structure, so that.

Specifically, fixed mounting has the backplate 14 with bottom plate 1 vertically on the bottom plate 1, fixed mounting has the perpendicular to on the backplate 14 the roof 15 of backplate 14, the lower fixed surface of roof 15 installs pneumatic working cylinder 16, lid 3 fixed mounting in on the output of pneumatic working cylinder 16, the upper surface of lid 3 is opened has the inner wall that is used for the intercommunication clean section of thick bamboo 10 of inner wall clean passageway 17.

Specifically, the cover 3 may be provided with a plurality of heat dissipation holes 27 for accelerating heat dissipation.

Specifically, the lower part of the base 4 is provided with an air outlet 18 for communicating with the motor cavity 5, and the side wall of the upper part of the base 4 is provided with an outer wall cleaning channel 19 for communicating with the cleaning block 8.

Specifically, the inner wall cleaning channel 17 is communicated with the top of the cover body 3 and the inner wall cleaning barrel 10, and the outer wall cleaning channel 19 is communicated with the outside of the box body 2 and the cleaning block 8, and both are used for conveying cleaning agent.

Specifically, a plurality of pores are formed in the cleaning block 8 and the inner wall cleaning cylinder 10, the pores are soft and have high resilience, brushes are arranged on the cleaning surfaces of the cleaning block 8 and the inner wall cleaning cylinder 10, and the pores can effectively convey cleaning agents to the cleaning surfaces, so that waste is reduced.

Specifically, because the inner wall of the workpiece in the shape of a water tank is in a rectangular structure, the lower circular truncated cone can deform when being pressed into the water tank structure to fill the water tank, and the cleaning block 8 can also deform due to the pressing of the water tank structure, so that the cleaning agent can be flushed out to be fully coated on the workpiece 7, and the cleaning cylinder can exert force on the periphery of the water tank, thereby realizing better cleaning effect.

Specifically, the cleaning agent used by the device can be an anhydrous cleaning agent, wherein the effective component for removing greasy dirt is slightly larger than that of the anhydrous hand sanitizer which is a modern chemical mixture; the main components are as follows: the cleaning device comprises chemical components such as mineral oil, liquid wax, oleic soap, glycerol, pigment and the like, wherein ethanol type anhydrous hand sanitizer can be automatically volatilized, finally stains are left on a cleaning cylinder, and the cleaning cylinder is cleaned.

The utility model discloses the theory of operation of structure does: the top cover is lifted and opened by the pneumatic working cylinder 16, the workpiece 7 is placed on the clamping device 12, the main rod 23 is driven by the driving device 11 to push upwards to enable the inner diameter clamping rod 25 to move outwards along the radial direction, the outer diameter clamping rod 24 moves inwards along the radial direction, so that the pipe orifice of the stamping part is clamped, the top cover is closed by the downward movement of the pneumatic working cylinder 16, the inner wall cleaning cylinder 10 and the cleaning block 8 are extruded by the workpiece 7 to enable the inner wall cleaning cylinder 10 to be attached to the inner wall of the workpiece 7, the cleaning block 8 is attached to the outer wall of the workpiece 7, meanwhile, the anhydrous cleaning agent is pressed in through the outer wall cleaning hole 19 and the inner wall cleaning channel 17 to be brushed on the cleaning block 8 brush and the inner wall cleaning cylinder 10, the clamping device 12 is driven by the driving device 11 to rotate, the workpiece 7 rubs the brush of the inner wall cleaning cylinder 8 and the brush of the cleaning block 8, the purpose, the drying-accelerating anhydrous cleaning agent dissipates heat through the heat dissipation holes 27 on the top cover, discharges hot air through the air outlet 18 on the base 4, stops supplying air after drying is completed, opens the top cover, drives the main rod 23 to be pulled down through the driving device 11 to enable the inner diameter clamping rod 25 to move inwards along the radial direction, enables the outer diameter clamping rod 24 to move outwards along the radial direction, accordingly loosens the pipe orifice of the workpiece 7, takes out the workpiece 7, and completes cleaning of the workpiece 7.

The above description is only a preferred embodiment of the present invention, and all other embodiments obtained by those skilled in the art without any creative effort shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a belt cleaning device is used in production of exhaust gas recirculation cooler precision punching part, including bottom plate (1) and box (2), fixed mounting has box (2) on bottom plate (1), box (2) top lid has closed lid (3), its characterized in that: fixed mounting has base (4) in box (2), motor chamber (5) have been seted up in base (4), fixed mounting has drive clamping device (6) in motor chamber (5), the exposed core centre gripping of drive clamping device (6) is fixed with work piece (7), fixed mounting has clean piece (8) that are used for cleaning the work piece outer wall on the inner wall of base (4) upper portion one side, hot vent (9) have been seted up to the opposite side on base upper portion, the lower fixed surface of lid (3) installs the clean section of thick bamboo of inner wall (10).

2. The cleaning device for the production of the exhaust gas recirculation cooler precision stamping according to claim 1, characterized in that: the driving clamping device (6) comprises a driving device (11) fixedly installed in the motor cavity (5), a clamping device (12) is fixedly installed on the output end of the driving device (11), and the clamping device (12) comprises a connecting rod mechanism (13) and a clamping seat (26) matched with the connecting rod mechanism (13).

3. The cleaning device for the production of the exhaust gas recirculation cooler precision stamping according to claim 2, characterized in that: link mechanism (13) are including mobile jib (23) of fixed connection in the drive arrangement output, the both sides of mobile jib (23) are equipped with external diameter clamping bar (24), mobile jib (23) with be equipped with internal diameter clamping bar (25) between external diameter clamping bar (24), internal diameter clamping bar (25) with external diameter clamping bar (24) all through the connecting rod with mobile jib (23) are articulated to be connected, the pin joint of mobile jib (23) is in the pin joint below of internal diameter clamping bar (25), the pin joint of external diameter clamping bar (24) is in the pin joint below of mobile jib (23).

4. The cleaning device for the production of the exhaust gas recirculation cooler precision stamping according to claim 3, characterized in that: the clamping seat (26) comprises a clamping seat body (28), a groove (20) is formed in the upper surface of the clamping seat body (28), a through groove (21) convenient for the main rod (23) to slide up and down is formed in the middle of the bottom of the groove (20) to the lower portion of the clamping seat body (28), a first sliding surface (30) convenient for the outer diameter clamping rod (24) to move left and right is formed between the through groove (21) and the groove (20), two symmetrical sliding grooves (29) are formed in the two sides of the groove (20) along the length direction, the distance A between the bottoms of the sliding grooves (29) and the bottom of the groove (20) is smaller than the distance from the hinge point of the main rod (23) to the hinge point of the outer diameter clamping rod (24), an L-shaped supporting block (22) is connected between the two sliding grooves (29) in a sliding mode, and a second sliding surface (a) (and (b) convenient for the inner diameter clamping rod (25) to slide is formed in the bottom 31).

5. The cleaning device for the production of the exhaust gas recirculation cooler precision stamping according to claim 3, characterized in that: the driving device (11) comprises a push rod motor capable of pulling the main rod (23) and a motor capable of rotating the clamping seat (26).

6. The cleaning device for the production of the exhaust gas recirculation cooler precision stamping according to claim 1, characterized in that: the inner wall cleaning cylinder (10) is in a boss shape, the cleaning block (8) is in a step shape, and the cleaning surfaces of the cleaning block (8) and the inner wall cleaning cylinder (10) are matched with the surface of a workpiece (7).

7. The cleaning device for the production of the exhaust gas recirculation cooler precision stamping according to claim 1, characterized in that: the inner wall cleaning device is characterized in that a backboard (14) vertical to the bottom plate (1) is fixedly mounted on the bottom plate (1), a top plate (15) vertical to the backboard (14) is fixedly mounted on the backboard (14), a pneumatic working cylinder (16) is fixedly mounted on the lower surface of the top plate (15), a cover body (3) is fixedly mounted on the output end of the pneumatic working cylinder (16), and an inner wall cleaning channel (17) used for communicating the inner wall cleaning cylinder (10) is formed in the upper surface of the cover body (3).

8. The cleaning device for the production of the exhaust gas recirculation cooler precision stamping according to claim 1, characterized in that: an air outlet (18) used for being communicated with the motor cavity (5) is formed in the lower portion of the base (4), and an outer wall cleaning channel (19) used for being communicated with the cleaning block (8) is formed in the side wall of the upper portion of the base (4).

9. The cleaning device for the production of the exhaust gas recirculation cooler precision stamping according to claim 5, characterized in that: a plurality of fine holes are formed in the cleaning block (8) and the inner wall cleaning cylinder (10), and brushes are arranged on the cleaning surfaces of the cleaning block (8) and the inner wall cleaning cylinder (10).