CN112338142A

CN112338142A - New energy automobile air conditioner compressor cylinder body casting forming method

Info

Publication number: CN112338142A
Application number: CN202011162598.6A
Authority: CN
Inventors: 丁建丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-02-09

Abstract

The invention belongs to the technical field of automobile manufacturing, and particularly relates to a new energy automobile air conditioner compressor cylinder body casting forming method, which comprises the following steps: step one, manufacturing a sand mold: placing the wood pattern into a mould box, mixing and stirring molding sand and clay, adding the mixture into the mould box, compacting, and taking out the wood pattern to obtain a sand mould; step two, smelting and pouring: injecting liquid metal liquid into the sand mold, and cooling the liquid metal liquid to obtain a cylinder body casting; step three, taking and cleaning: taking out the cooled cylinder casting from the sand mold, cleaning the mixture of the molding sand and the clay adhered to the cylinder, and finally performing finish machining on the surface of the compressor cylinder; and the third step is completed by matching a new energy automobile air conditioner compressor cylinder body casting forming device. The vibration force transmitted to the cylinder body is balanced, so that the vibration effect is ensured, and the damage to the cylinder body is avoided; the invention disperses the mixture of the molding sand and the clay blocked at the bottom of the through groove structure of the cylinder body, and improves the removal effect.

Description

New energy automobile air conditioner compressor cylinder body casting forming method

Technical Field

The invention belongs to the technical field of automobile manufacturing, and particularly relates to a new energy automobile air conditioner compressor cylinder body casting forming method.

Background

The new energy automobile adopts unconventional automobile fuel as a power source, or adopts conventional automobile fuel and a novel vehicle-mounted power device, integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. The air-conditioning compressor is the heart of a refrigeration system of the new energy automobile and plays a role in compressing and conveying refrigerant vapor. Air condition compressor comprises spare parts such as the valve plate and the piston that cylinder body, cylinder cap and be located cylinder body inside, and air condition compressor's cylinder body forms through sand casting, need strike the cylinder body repeatedly after the casting is accomplished for the cylinder body produces the vibration, thereby gets rid of remaining molding sand and clay mixture in the cylinder body. The casting method has the following problems in the casting of the air conditioner compressor cylinder body of the new energy automobile at present: (1) when the cylinder body is repeatedly knocked, knocking force is difficult to control, the balance of knocking force in each time cannot be ensured, the removal effect on a mixture of molding sand and clay is poor due to over-small knocking force, and the structure of the cylinder body is damaged due to over-large knocking force; (2) the in-process of through groove structure department whereabouts is followed in the cylinder body to molding sand and clay mixture can block up in the bottom of through groove structure to lead to molding sand and clay mixture to discharge and hinder, reduced the removal effect to molding sand and clay mixture.

Disclosure of Invention

Technical problem to be solved

The invention provides a new energy automobile air conditioner compressor cylinder body casting forming method, and aims to solve the following problems in the casting of new energy automobile air conditioner compressor cylinder bodies: (1) when the cylinder body is repeatedly knocked, knocking force is difficult to control, the balance of knocking force in each time cannot be ensured, the removal effect on a mixture of molding sand and clay is poor due to over-small knocking force, and the structure of the cylinder body is damaged due to over-large knocking force; (2) the in-process of through groove structure department whereabouts is led to in the cylinder body to molding sand and clay mixture, can block up in through groove structure bottom, leads to molding sand and clay mixture to discharge and is hindered, has reduced the removal effect to molding sand and clay mixture.

(II) technical scheme

In order to solve the technical problems, the invention adopts the following technical scheme:

a casting forming method for a cylinder body of an air conditioner compressor of a new energy automobile comprises the following steps:

step one, manufacturing a sand mold: and placing the wood pattern with the same shape and size as the air-conditioning compressor cylinder into a mold box, mixing and stirring the molding sand and the clay, adding the mixture into the mold box, compacting the mixture, and taking out the wood pattern to obtain the sand mold positioned in the mold box.

Step two, smelting and pouring: and melting the alloy material by using a melting furnace to form liquid metal. And (3) injecting the liquid metal liquid into the sand mold manufactured in the first step until the liquid metal liquid fills the whole cavity, and cooling the liquid metal liquid to obtain a cylinder body casting.

Step three, taking and cleaning: and taking out the air conditioner compressor cylinder body casting formed by cooling from the sand mold, cleaning the molding sand and clay mixture adhered to the air conditioner compressor cylinder body, and finally performing finish machining on the surface of the compressor cylinder body.

Wherein, the process that sand and the clay mixture on air condition compressor cylinder body surface clear up in the step three adopts the cooperation of a new energy automobile air condition compressor cylinder body casting forming device to accomplish, new energy automobile air condition compressor cylinder body casting forming device includes the horizontally bottom plate, and symmetry fixed mounting has two vertical boards that are parallel to each other on the bottom plate, installs fixture between two vertical boards. And bearing plates are horizontally and fixedly arranged on the opposite side surfaces of the two vertical plates. The material receiving box is fixedly arranged on the upper surface of the bottom plate between the two bearing plates. Carry out the centre gripping through fixture to cooling fashioned air condition compressor cylinder body foundry goods, reciprocate through drive fixture and cylinder body for produce the collision vibration between fixture and the bearing plate, thereby give the cylinder body with the vibration transmission, and then shake the molding sand and the clay mixture of logical groove structure surface adhesion in cylinder body surface and the cylinder body and fall. The mixture of sand and clay falls into the receiver box after falling.

The clamping mechanism comprises a top plate, a first mounting plate, a bidirectional screw rod, a rotating handle, a guide sleeve, a supporting rod, a supporting ring, a supporting spring, a guide rod, a first screw rod, a second mounting plate, a sealing plug and a bearing rod. The roof is horizontal state and vertical sliding fit between two vertical boards, and the horizontal sliding fit of roof lower surface has the first mounting panel of two symmetries settings, and first mounting panel is vertical state. The lower surface of the top plate is rotatably provided with a bidirectional screw rod through a mounting seat along the sliding direction of the first mounting plate. The bidirectional screw penetrates through the two first mounting plates, and a rotary handle is fixedly mounted at the end part of the bidirectional screw. Evenly fixed mounting has the uide bushing that a plurality of arranged along first mounting panel slip direction on the side that two first mounting panels carried on the back mutually, and sliding fit has the bracing piece that runs through first mounting panel in the uide bushing. The inside fixed mounting of uide bushing has the support ring, is connected with supporting spring between support ring and the bracing piece. The guide rods and the first lead screws which are parallel to each other are arranged on the side faces of the two first mounting plates which are opposite to each other. A second mounting plate parallel to the first mounting plate is slidably fitted on the guide bar. The first lead screw penetrates through the second mounting plate and is in threaded fit with the second mounting plate. And a sealing plug matched with the end part of the guide sleeve is fixedly arranged on the side surface, close to the first mounting plate, of the second mounting plate. The bottom of the opposite side surfaces of the two first mounting plates is uniformly and fixedly provided with a plurality of horizontal supporting rods. The bidirectional screw rod is driven to rotate by rotating the rotary handle, so that the two first mounting plates are driven to move in opposite directions, and the bearing rods on the two first mounting plates are close to each other. The cylinder body is placed on the supporting rods, then the rotating handle is continuously rotated to drive the two first mounting plates to move in opposite directions until the end parts of all the supporting rods, which are positioned outside the guide sleeve, are abutted against the surface of the cylinder body, and in the process, the supporting rods slide in the guide sleeve and compress the supporting springs. The first screw rod is rotated to drive the second mounting plate to move towards the first mounting plate along the guide rod until the sealing plug is clamped into the end part of the guide sleeve, and the sealing plug plays a role in sealing the interior of the guide sleeve; the atmospheric pressure is invariable inside the uide bushing, and the bracing piece can not produce the slip under the effect of inside and outside atmospheric pressure to play the effect of firm centre gripping to the cylinder.

Sliding fit has the elevator with roof fixed connection on the side that two vertical boards carried on the back mutually, and the vertical board is improved level and is rotated and install the pivot, fixed mounting have with elevator edge sliding fit's sector cam and first gear in the pivot. A driving motor is fixedly arranged on the vertical plate through a motor base, and a second gear meshed with the first gear is fixedly arranged on an output shaft of the driving motor. The second gear is driven to rotate by the driving motor, and the first gear, the rotating shaft and the sector cam are driven to rotate by the second gear. After the sector cam pushes the lifting block and the clamping mechanism to slowly rise, the lifting block and the clamping mechanism rapidly descend under the action of gravity. And collision vibration is generated between the clamping mechanism and the pressure bearing plate in the descending process until the sector cam pushes the lifting block again and the clamping mechanism slowly ascends. As the second gear rotates continuously, the clamping mechanism and the cylinder body slowly ascend and descend periodically; the clamping mechanism periodically collides with the bearing plate. Because fixture and cylinder body distance that rises at every turn is invariable, so the impact that fixture and bearing plate collision produced at every turn is invariable, and the vibrational force size of transmitting the cylinder body is invariable, has avoided haring the cylinder body when having guaranteed the vibration effect.

As a preferable technical scheme of the invention, the edge of the lifting block is rotatably provided with a circular ring which is coincident with the axis of the lifting block. The fan-shaped cam acts on the lifting block edge to push the lifting block to ascend, the outer edge of the circular ring is attached to the edge of the fan-shaped cam to roll, so that large extrusion force generated between the fan-shaped cam and the lifting block is avoided, the fan-shaped cam and the lifting block are prevented from being damaged and deformed, and the constant ascending distance of the lifting block and the clamping mechanism is ensured.

As a preferable technical scheme of the invention, the end part of the support rod, which is positioned outside the guide sleeve, is fixedly provided with the hemispherical rubber block so as to ensure that the support rod can limit cylinder bodies with different surface shapes.

As a preferable technical scheme of the invention, a reinforcing plate is vertically and fixedly arranged between the lower surface of the bearing plate and the upper surface of the base plate, so that the bearing plate is prevented from deforming when being impacted by the clamping mechanism, the constant impact force is ensured, and the service lives of the clamping mechanism and the bearing plate are prolonged.

As a preferable technical scheme of the invention, an Contraband-shaped frame with a downward opening is vertically and slidably matched on the top plate, and a limiting plate positioned below the top plate is horizontally and fixedly installed at the bottom of the vertical section of the Contraband-shaped frame. And a second lead screw is vertically and rotatably arranged on the upper surface of the top plate. The second lead screw penetrates through the horizontal section of the Contraband-shaped frame and is in threaded fit with the horizontal section of the v-shaped frame 21274. After the cylinder body is clamped by the clamping mechanism, the Contraband-shaped frame and the limiting plate are driven to descend by rotating the second lead screw until the limiting plate is attached to the top surface of the cylinder body, the cylinder body is limited in the vertical direction, the displacement in the vertical direction is generated when the cylinder body is prevented from vibrating, and the constant vibration force transmitted to the cylinder body when the clamping mechanism and the bearing plate collide at each time is further guaranteed.

As a preferable technical scheme of the invention, an air injection mechanism is arranged above the bottom plate. The air injection mechanism comprises a hollow disc, an air injection nozzle, a vent pipe, a return spring, a lifting rod, a lifting plate and a pressing plate. The hollow disc is fixedly arranged on the bottom plate of the material receiving box, and a plurality of air nozzles communicated with the hollow disc are uniformly and fixedly arranged on the upper surface of the hollow disc. The upper surface of the bottom plate is fixedly provided with an L-shaped vent pipe. The inside cylindrical step form and the vertical reset spring of installing that is of vertical section of breather pipe, the vertical lifter that just runs through the bearing plate of being connected with breather pipe sliding fit on reset spring top, the horizontal fixed mounting in top of lifter has the lifter plate. The first mounting panel is provided with a pressing plate horizontally and fixedly matched with the lifting plate. The horizontal section of the vent pipe is communicated with the hollow disc. In the downward movement process of the clamping mechanism and the cylinder body, the pressing plate is attached to the upper surface of the lifting plate and pushes the lifting plate and the lifting rod to descend, and the lifting rod compresses the return spring and extrudes air in the vent pipe. The high-pressure air in the vent pipe flows to the hollow disc and is upwards sprayed out through the air nozzle. The air that flows from bottom to top acts on through groove structure bottom at the cylinder body, washes the molding sand and the clay mixture of jam in the bottom, and the molding sand and the clay mixture after washing the loose free fall to connect the workbin in.

(III) advantageous effects

The invention has at least the following beneficial effects:

(1) the invention solves the following problems in the casting of the air-conditioning compressor cylinder body of the new energy automobile: in the process of cleaning the molding sand and clay mixture on the surface of the cylinder body of the air-conditioning compressor, the knocking force is difficult to control when the cylinder body is repeatedly knocked, the knocking force cannot be ensured to be balanced every time, the poor effect of removing the molding sand and clay mixture due to too small knocking force is easily caused, and the cylinder body structure is damaged due to too large knocking force; the in-process of through groove structure department whereabouts is led to in the cylinder body to molding sand and clay mixture, can block up in through groove structure bottom, leads to molding sand and clay mixture to discharge and is hindered, has reduced the removal effect to molding sand and clay mixture.

(2) According to the invention, the cylinder body is stably clamped by the clamping mechanism, and the clamping mechanism and the cylinder body are slowly lifted and then quickly released, so that the clamping mechanism drives the cylinder body to quickly fall down and collide and vibrate with the bearing plate, and thus, a molding sand and clay mixture on the surface of the cylinder body and in the through groove structure of the cylinder body is vibrated down. Because the height of lifting the clamping mechanism and the height of the cylinder body are the same each time, the magnitude of the impact force generated between the clamping mechanism and the bearing plate is the same each time, the vibration effect is ensured, and the cylinder body is prevented from being damaged.

(3) The clamping mechanism drives the cylinder body to rapidly fall and collide with the pressure bearing plate, and drives the lifting rod of the air injection mechanism to fall, so that the air pressure in the air vent pipe and the hollow disc is increased; high-pressure air upwards spouts through the air nozzle, breaks up the moulding sand and the clay mixture of jam at logical groove structure bottom, has improved the effect of getting rid of moulding sand and clay mixture.

Drawings

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

FIG. 1 is a step diagram of a cylinder casting forming method of a new energy automobile air conditioner compressor in an embodiment of the invention;

FIG. 2 is a schematic structural diagram of a cylinder body of an air conditioner compressor of a new energy automobile in the embodiment of the invention;

fig. 3 is a schematic view of a first three-dimensional structure of a cylinder casting and forming device of a new energy automobile air conditioner compressor in the embodiment of the invention;

fig. 4 is a schematic second perspective structure view of a cylinder casting and forming device of a new energy automobile air conditioner compressor in the embodiment of the invention;

FIG. 5 is a front view of a cylinder casting and forming device of a new energy automobile air conditioner compressor in the embodiment of the invention;

FIG. 6 is an enlarged schematic view at A in FIG. 4;

FIG. 7 is an enlarged schematic view at B of FIG. 5;

fig. 8 is an enlarged schematic view at C in fig. 5.

In the figure: 1-bottom plate, 2-vertical plate, 3-clamping mechanism, 31-top plate, 32-first mounting plate, 33-bidirectional screw, 34-rotating handle, 35-guide sleeve, 36-support rod, 37-support ring, 38-support spring, 39-guide rod, 310-first screw, 311-second mounting plate, 312-sealing plug, 313-bearing rod, 4-bearing plate, 5-material receiving box, 6-lifting block, 7-rotating shaft, 8-sector cam, 9-first gear, 10-driving motor, 11-second gear, 12-circular ring, 13-rubber block, 14-reinforcing plate, 15-Contraband-shaped frame, 16-limiting plate, 17-second screw, 18-air injection mechanism, 181-hollow disc, 182-air nozzle, 183-breather pipe, 184-return spring, 185-lifting rod, 186-lifting plate and 187-pressing plate.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1, the embodiment provides a new energy automobile air conditioner compressor cylinder body casting forming method, which is used for casting and forming a new energy automobile air conditioner compressor cylinder body shown in fig. 2, and specifically includes the following steps:

Wherein, the process that sand and the clay mixture on air condition compressor cylinder body surface clear up in the step three adopts as shown in fig. 3 to fig. 8 a new energy automobile air condition compressor cylinder body casting forming device cooperation is accomplished, new energy automobile air condition compressor cylinder body casting forming device includes horizontally bottom plate 1, and symmetrical fixed mounting has two vertical boards 2 that are parallel to each other on the bottom plate 1, installs fixture 3 between two vertical boards 2. And bearing plates 4 are horizontally and fixedly arranged on the opposite side surfaces of the two vertical plates 2. A reinforcing plate 14 is vertically and fixedly arranged between the lower surface of the bearing plate 4 and the upper surface of the base plate 1, so that the bearing plate 4 is prevented from deforming when being impacted by the clamping mechanism 3, and the service lives of the clamping mechanism 3 and the bearing plate 4 are prolonged while the impact force is constant at each time. A material receiving box 5 is fixedly arranged on the upper surface of the bottom plate 1 between the two bearing plates 4. Carry out the centre gripping through fixture to cooling fashioned air condition compressor cylinder body foundry goods, reciprocate through drive fixture 3 and cylinder body for produce the collision vibration between fixture 3 and the bearing plate 4, thereby give the cylinder body with the vibration transmission, and then shake the molding sand and the clay mixture of the logical groove structure surface adhesion in cylinder body surface and the cylinder body and fall. The sand and clay mixture falls into the receiver box 5 after falling.

The clamping mechanism 3 comprises a top plate 31, a first mounting plate 32, a bidirectional screw 33, a rotary handle 34, a guide sleeve 35, a support rod 36, a support ring 37, a support spring 38, a guide rod 39, a first screw 310, a second mounting plate 311, a sealing plug 312 and a holding rod 313. Roof 31 is horizontal state and vertical sliding fit between two vertical boards 2, and roof 31 lower surface horizontal sliding fit has the first mounting panel 32 of two symmetries settings, and first mounting panel 32 is vertical state. The lower surface of the top plate 31 is rotatably provided with a bidirectional screw 33 through a mounting seat along the sliding direction of the first mounting plate 32. The bidirectional screw 33 penetrates through the two first mounting plates 32, and a rotating handle 34 is fixedly mounted at the end part of the bidirectional screw 33. A plurality of guide sleeves 35 arranged along the sliding direction of the first mounting plates 32 are uniformly and fixedly mounted on the opposite side surfaces of the two first mounting plates 32, and a support rod 36 penetrating through the first mounting plates 32 is arranged in the guide sleeves 35 in a sliding fit manner. The end of the support rod 36 outside the guide sleeve 35 is fixedly provided with a hemispherical rubber block 13 to ensure that the support rod 36 can limit cylinder bodies with different surface shapes. A support ring 37 is fixedly installed inside the guide sleeve 35, and a support spring 38 is connected between the support ring 37 and the support rod 36. The two first mounting plates 32 are provided with guide rods 39 and first lead screws 310 which are parallel to each other on opposite sides. A second mounting plate 311 parallel to the first mounting plate 32 is slidably fitted on the guide bar 39. The first lead screw 310 penetrates the second mounting plate 311 and is in threaded engagement with the second mounting plate 311. The side surface of the second mounting plate 311 close to the first mounting plate 32 is fixedly provided with a sealing plug 312 which is matched with the end part of the guide sleeve 35. A plurality of horizontal supporting rods 313 are uniformly and fixedly arranged at the bottoms of the opposite sides of the two first mounting plates 32. The bidirectional screw 33 is rotated by rotating the rotary handle 34, so that the two first mounting plates 32 are driven to move towards each other, and the support rods 313 on the two first mounting plates 32 are close to each other. The cylinder is placed on the support bar 313, and then the rotating handle 34 is rotated to move the two first mounting plates 32 towards each other until all the ends of the support bars 36 outside the guide sleeve 35 are pressed against the surface of the cylinder, during which the support bars 36 slide in the guide sleeve 35 and compress the support springs 38. The second mounting plate 311 is driven to move towards the first mounting plate 32 along the guide rod 39 by rotating the first lead screw 310 until the sealing plug 312 is clamped into the end of the guide sleeve 35, and the sealing plug 312 plays a sealing role in the interior of the guide sleeve 35; the air pressure in the guide sleeve 35 is constant, and the support rod 36 cannot slide under the action of the internal air pressure and the external air pressure, so that the air cylinder is firmly clamped.

The two vertical plates 2 are in sliding fit with lifting blocks 6 fixedly connected with the top plate 31 on the opposite side faces, the vertical plates 2 are horizontally and rotatably provided with rotating shafts 7, and the rotating shafts 7 are fixedly provided with sector cams 8 and first gears 9 in sliding fit with the edges of the lifting blocks 6. A driving motor 10 is fixedly installed on the vertical plate 2 through a motor base, and a second gear 11 meshed with the first gear 9 is fixedly installed on an output shaft of the driving motor 10. The second gear 11 is driven to rotate by the driving motor 10, and the first gear 9, the rotating shaft 7 and the sector cam 8 are driven to rotate by the second gear 11. After the sector cam 8 pushes the lifting block 6 and the clamping mechanism 3 to slowly rise, the lifting block 6 and the clamping mechanism 3 rapidly descend under the action of gravity. And collision vibration is generated between the clamping mechanism 3 and the pressure bearing plate 4 in the descending process until the sector cam 8 pushes the lifting block 6 again and the clamping mechanism 3 slowly ascends. As the second gear 11 continues to rotate, the clamping mechanism 3 and the cylinder body slowly rise and fall periodically; the chucking mechanism 3 periodically collides with the pressure receiving plate 4. Because fixture 3 and the distance that the cylinder body rises at every turn are invariable, so the impact that fixture 3 and bearing plate 4 collision produced at every turn is invariable, and the vibration power size of transmitting for the cylinder body is invariable, has avoided haring the cylinder body when having guaranteed the vibration effect. The edge of the lifting block 6 is rotatably provided with a ring 12 which is coincident with the axis of the lifting block. Fan-shaped cam 8 is used in 6 edges of elevator block and promotes elevator block 6 in-process that rises, and the laminating of 12 outward flanges of ring produces the roll in 8 edges of fan-shaped cam to avoid producing big extrusion force between fan-shaped cam 8 and the elevator block 6, avoided fan-shaped cam 8 and elevator block 6 to receive the damage deformation, ensured elevator block 6 and fixture 3 distance invariant that rises at every turn.

An Contraband-shaped frame 15, a v-shaped 21274with a downward opening is vertically and slidably matched on the top plate 31, and a limiting plate 16 positioned below the top plate 31 is horizontally and fixedly arranged at the bottom of the vertical section of the shaped frame 15. The upper surface of the top plate 31 is vertically and rotatably provided with a second lead screw 17. The second threaded rod 17 extends through the horizontal section of the Contraband-shaped frame 15 and is in threaded engagement with the horizontal section of the v-shaped frame 15. After the cylinder body is clamped through the clamping mechanism 3, the Contraband-shaped frame 15 and the limiting plate 16 are driven to descend by rotating the second lead screw 17, the cylinder body top surface is attached to the limiting plate 16, the cylinder body is limited in the vertical direction, the displacement in the vertical direction is generated when the cylinder body vibrates, and the constant vibration force is further transmitted to the cylinder body when the clamping mechanism 3 and the bearing plate 4 collide each time.

An air injection mechanism 18 is arranged above the bottom plate 1. The air injection mechanism 18 includes a hollow plate 181, an air injection nozzle 182, an air pipe 183, a return spring 184, a lift lever 185, a lift plate 186, and a pressure plate 187. The hollow disc 181 is fixedly arranged on the bottom plate of the material receiving box 5, and a plurality of air nozzles 182 communicated with the hollow disc 181 are uniformly and fixedly arranged on the upper surface of the hollow disc 181. An L-shaped vent pipe 183 is fixedly arranged on the upper surface of the bottom plate 1. Inside the vertical section of breather pipe 183 being cylindrical step-like and vertically installing reset spring 184, the vertical connecting in reset spring 184 top just runs through the lifter 185 of pressure-bearing plate 4 with breather pipe 183 sliding fit, and lifter 185's top level fixed mounting has lifter 186. A pressing plate 187 engaged with the lifting plate 186 is horizontally and fixedly installed on the first installation plate 32. The horizontal section of the vent pipe 183 is communicated with the hollow disc 181. During the downward movement of the clamping mechanism 3 and the cylinder, the pressure plate 187 is attached to the upper surface of the lifting plate 186 and pushes the lifting plate 186 and the lifting rod 185 to descend, and the lifting rod 185 compresses the return spring 184 and presses the air in the vent pipe 183. The high pressure air in the vent pipe 183 flows to the hollow plate 181 and is then ejected upward through the air nozzle 182. The air that flows from bottom to top acts on through groove structure bottom at the cylinder body, washes the molding sand and the clay mixture of jam in the bottom, and the molding sand and the clay mixture after washing the loose free fall to in connecing workbin 5.

The cylinder body casting and forming device of the air conditioner compressor of the new energy automobile comprises the following working processes: the cooling-formed cylinder casting of the air-conditioning compressor is clamped through the clamping mechanism, and the cylinder is limited in the vertical direction through the limiting plate 16. The second gear 11 is driven to rotate by the driving motor 10, and the first gear 9, the rotating shaft 7 and the sector cam 8 are driven to rotate by the second gear 11. After the sector cam 8 pushes the lifting block 6 and the clamping mechanism 3 to slowly rise, the lifting block 6 and the clamping mechanism 3 rapidly descend under the action of gravity. And collision vibration is generated between the clamping mechanism 3 and the pressure bearing plate 4 in the descending process until the sector cam 8 pushes the lifting block 6 again and the clamping mechanism 3 slowly ascends. As the second gear 11 continues to rotate, the clamping mechanism 3 and the cylinder body slowly rise and fall periodically; the clamping mechanism 3 and the bearing plate 4 periodically collide, so that vibration is transmitted to the cylinder body, and the molding sand and clay mixture adhered to the outer surface of the cylinder body and the surface of the through groove structure in the cylinder body is vibrated down; the sand and clay mixture falls into the receiver box 5 after falling. The clamping mechanism 3 and the cylinder body drive the air injection mechanism 18 to generate airflow flowing from bottom to top in the downward moving process, the airflow acts on the bottom of the through groove structure of the cylinder body to disperse the molding sand and clay mixture blocked at the bottom, and the dispersed molding sand and clay mixture freely falls into the material receiving box 5. After the molding sand and clay mixture in the surface of the cylinder body and the through groove structure in the cylinder body is completely vibrated, the limiting of the clamping mechanism 3 and the limiting plate 16 on the cylinder body is removed, and the cylinder body is taken down.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The casting forming method of the cylinder body of the air conditioner compressor of the new energy automobile is characterized by comprising the following steps of:

step one, manufacturing a sand mold: placing a wood pattern with the same shape and size as the air-conditioning compressor cylinder into a mold box, mixing and stirring molding sand and clay, adding the mixture into the mold box, compacting, and taking out the wood pattern to obtain a sand mold positioned in the mold box;

step two, smelting and pouring: melting the alloy material by a melting furnace to form liquid metal; injecting liquid metal liquid into the sand mold manufactured in the first step until the liquid metal liquid fills the whole cavity, and cooling the liquid metal liquid to obtain a cylinder body casting;

step three, taking and cleaning: taking out the cooled and formed air conditioner compressor cylinder body casting from the sand mold, cleaning the mixture of molding sand and clay adhered to the air conditioner compressor cylinder body, and finally performing finish machining on the surface of the compressor cylinder body;

the method comprises the following steps of cleaning a mixture of molding sand and clay on the surface of the air-conditioning compressor cylinder in the third step by matching with a new energy automobile air-conditioning compressor cylinder casting and forming device, wherein the new energy automobile air-conditioning compressor cylinder casting and forming device comprises a horizontal bottom plate (1), two vertical plates (2) which are parallel to each other are symmetrically and fixedly installed on the bottom plate (1), and a clamping mechanism (3) is installed between the two vertical plates (2); the opposite side surfaces of the two vertical plates (2) are horizontally and fixedly provided with a bearing plate (4); a material receiving box (5) is fixedly arranged on the upper surface of the bottom plate (1) between the two pressure bearing plates (4);

the clamping mechanism (3) comprises a top plate (31), a first mounting plate (32), a bidirectional screw rod (33), a rotary handle (34), a guide sleeve (35), a support rod (36), a support ring (37), a support spring (38), a guide rod (39), a first screw rod (310), a second mounting plate (311), a sealing plug (312) and a supporting rod (313); the top plate (31) is in a horizontal state and is vertically matched between the two vertical plates (2) in a sliding manner, the lower surface of the top plate (31) is horizontally matched with two first mounting plates (32) which are symmetrically arranged in a sliding manner, and the first mounting plates (32) are in a vertical state; the lower surface of the top plate (31) is rotatably provided with a bidirectional screw rod (33) through a mounting seat along the sliding direction of the first mounting plate (32); the bidirectional screw rod (33) penetrates through the two first mounting plates (32), and a rotating handle (34) is mounted at the end part of the bidirectional screw rod (33); a plurality of guide sleeves (35) which are arranged along the sliding direction of the first mounting plates (32) are uniformly and fixedly mounted on the opposite side surfaces of the two first mounting plates (32), and support rods (36) which penetrate through the first mounting plates (32) are in sliding fit in the guide sleeves (35); a support ring (37) is fixedly arranged in the guide sleeve (35), and a support spring (38) is connected between the support ring (37) and the support rod (36); the guide rods (39) and the first lead screws (310) which are parallel to each other are arranged on the opposite side surfaces of the two first mounting plates (32); a second mounting plate (311) parallel to the first mounting plate (32) is matched on the guide rod (39) in a sliding way; the first lead screw (310) penetrates through the second mounting plate (311) and is in threaded fit with the second mounting plate (311); a sealing plug (312) which is matched with the end part of the guide sleeve (35) is fixedly arranged on the side surface, close to the first mounting plate (32), of the second mounting plate (311); the bottoms of the opposite side surfaces of the two first mounting plates (32) are uniformly and fixedly provided with a plurality of horizontal supporting rods (313);

the lifting blocks (6) fixedly connected with the top plate (31) are arranged on the opposite side surfaces of the two vertical plates (2) in a sliding fit mode, a rotating shaft (7) is horizontally and rotatably arranged on the vertical plates (2), and a sector cam (8) and a first gear (9) which are in sliding fit with the edges of the lifting blocks (6) are fixedly arranged on the rotating shaft (7); a driving motor (10) is fixedly installed on the vertical plate (2) through a motor base, and a second gear (11) meshed with the first gear (9) is fixedly installed on an output shaft of the driving motor (10).

2. The casting forming method of the new energy automobile air conditioner compressor cylinder body according to claim 1, characterized in that: and a circular ring (12) which is coincident with the axis of the lifting block (6) is rotatably arranged at the edge of the lifting block.

3. The casting forming method of the new energy automobile air conditioner compressor cylinder body according to claim 1, characterized in that: the end part of the support rod (36) positioned outside the guide sleeve (35) is fixedly provided with a hemispherical rubber block (13).

4. The casting forming method of the new energy automobile air conditioner compressor cylinder body according to claim 1, characterized in that: and a reinforcing plate (14) is vertically and fixedly arranged between the lower surface of the pressure bearing plate (4) and the upper surface of the bottom plate (1).

5. The casting forming method of the new energy automobile air conditioner compressor cylinder body according to claim 1, characterized in that: an Contraband-shaped frame (15) with a downward opening is vertically and slidably matched on the top plate (31), and a limiting plate (16) positioned below the top plate (31) is horizontally and fixedly installed at the bottom of the vertical section of the Contraband-shaped frame (15); a second screw rod (17) is vertically and rotatably arranged on the upper surface of the top plate (31); the second lead screw (17) penetrates through the horizontal section of the Contraband-shaped frame (15) and is in threaded fit with the horizontal section of the v-shaped frame (15).

6. The casting forming method of the new energy automobile air conditioner compressor cylinder body according to claim 1, characterized in that: an air injection mechanism (18) is arranged above the bottom plate (1); the air injection mechanism (18) comprises a hollow disc (181), an air injection nozzle (182), an air pipe (183), a return spring (184), a lifting rod (185), a lifting plate (186) and a pressing plate (187); the hollow disc (181) is fixedly arranged on the bottom plate of the material receiving box (5), and a plurality of air nozzles (182) communicated with the hollow disc (181) are uniformly and fixedly arranged on the upper surface of the hollow disc (181); an L-shaped vent pipe (183) is fixedly arranged on the upper surface of the bottom plate (1); the interior of the vertical section of the vent pipe (183) is cylindrical step-shaped, a return spring (184) is vertically installed, the top end of the return spring (184) is vertically connected with a lifting rod (185) which is in sliding fit with the vent pipe (183) and penetrates through the pressure bearing plate (4), and a lifting plate (186) is horizontally and fixedly installed at the top of the lifting rod (185); a pressing plate (187) matched with the lifting plate (186) is horizontally and fixedly arranged on the first mounting plate (32); the horizontal section of the vent pipe (183) is communicated with the hollow disc (181).