CN210125712U

CN210125712U - Automobile engine oil pump rotor casting forming die

Info

Publication number: CN210125712U
Application number: CN201920608764.7U
Authority: CN
Inventors: 朱建明; 徐贞林
Original assignee: Yangzhou Hengzhong Precision Machinery Co Ltd
Current assignee: Yangzhou Hengzhong Precision Machinery Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-03-06
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses an automobile engine oil pump rotor casting forming die, including last casing and with the lower casing of last casing lower extreme face laminating, the internal portion of inferior valve is provided with the sand mould, one side that two fixture blocks are close to each other forms the air cavity with inferior valve body, and the inside ammonium chloride crystal that is provided with of air cavity. The utility model discloses in, owing to adopted the fixed ammonium chloride crystal of casing inner chamber down, casing temperature risees and decomposes the expansion with the ammonium chloride crystal down when having realized the casting, again owing to adopted extension spring between two fixture blocks, realized being close to each other to two fixture blocks, thereby make the joint between fixture block and the buckle remove, whether conveniently judge casting temperature and resume normally, it takes place danger to also be favorable to avoiding opening the casing when the temperature is higher simultaneously, simultaneously owing to adopted the rotation between transfer line bottom and the branch to be connected, realized two branches simultaneously to the top motion, will go up the casing and push away, make things convenient for the drawing of patterns.

Description

Automobile engine oil pump rotor casting forming die

Technical Field

The utility model relates to a geotechnical engineering reconnaissance equipment technical field especially relates to an automobile engine oil pump rotor casting forming die.

Background

The die is a tool for making a blank into a finished piece with a specific shape and size under the action of external force, and is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy piece pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like.

The existing die is widely applied in the field of casting processing, but the existing die for casting and forming the automobile engine oil pump rotor has the following defects in the casting process, firstly, the upper shell and the lower shell are fixedly matched when a workpiece is cast, so that the die is prevented from being separated; secondly, controlling the mold to be locked when the temperature is higher, avoiding the mold from being opened by misoperation, and unlocking when the temperature is lower; and finally, the upper shell and the lower shell of the die are conveniently separated in parallel and stably.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems of high-temperature locking, low-temperature opening and smooth separation of the die, the invention provides a casting forming die for an oil pump rotor of an automobile engine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an automobile engine oil pump rotor casting forming die, includes the casing and with the lower casing of last casing lower extreme face laminating, the internal portion of inferior valve is provided with the sand mould, the inside first spout of having seted up of casing longer side table wall down, and the inside sliding connection of first spout has two fixture blocks, one side that two fixture blocks are close to each other forms the air cavity with inferior valve body, and the inside ammonium chloride crystal that is provided with of air cavity.

As a further description of the above technical solution:

the sand mould is provided with two altogether, two sand moulds are laminated mutually, bottom sand mould and lower casing clearance fit, top sand mould and last casing clearance fit.

As a further description of the above technical solution:

the second spout has been seted up to the longer side table wall up end of inferior valve casing, the terminal surface welding has the buckle under the longer side table wall of last casing, and buckle and the laminating of second spout side table wall.

As a further description of the above technical solution:

and one sides of the two clamping blocks, which are close to each other, are elastically connected through an extension spring.

As a further description of the above technical solution:

two sixth spouts have been seted up about center pin department symmetry to the short side table wall of casing down inside, and the inside equal sliding connection of two sixth spouts has branch, two branch bottoms all rotate through the pivot and are connected with the transfer line, the fifth spout has all been seted up at two transfer line tops, and the inside equal sliding connection of two fifth spouts has the fourth spout, and the inside sliding connection of fourth spout has the second round pin axle, second round pin axle and two fifth spout sliding connection, casing side table wall is provided with the footboard, and the footboard rotates with the second round pin axle to be connected.

As a further description of the above technical solution:

two third chutes are formed in two sides of the center of the fourth chute, a first pin shaft is connected inside the third chute in a sliding mode, and the first pin shaft is rotatably connected with the transmission rod.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, owing to adopted the fixed ammonium chloride crystal of casing inner chamber down, casing temperature risees and decomposes the expansion with the ammonium chloride crystal when having realized the casting, has realized that the air cavity inflation promotes two fixture blocks and keeps away from each other owing to adopted the laminating of fixture block and air cavity side table wall again, has realized simultaneously owing to adopted the joint between fixture block and the buckle to last casing and down fixed between the casing.

2. The utility model discloses in, owing to adopted the reversible reaction of ammonium chloride crystal, realized when the casting completion after the temperature resumes normal ammonium chloride crystal regeneration, air cavity internal pressure reduces this moment, owing to adopted extension spring between two fixture blocks, has realized being close to each other to two fixture blocks to make the joint between fixture block and the buckle remove, whether conveniently judge the casting temperature and resume normal, it takes place danger to also be favorable to opening the upper housing when avoiding the temperature higher simultaneously.

3. The utility model discloses in, owing to adopted the rotation between footboard and the second round pin axle to be connected, realized stepping on the footboard through the foot and promoted second round pin axial bottom motion, again owing to adopted the fifth spout that two transfer lines tops were seted up and the rotation between the second round pin axle to be connected, and sliding connection between first round pin axle and the third spout, realized that the axle drives two transfer lines and rotates simultaneously by the axle of the dist occasionally, simultaneously owing to adopted the rotation between transfer line bottom and the branch to be connected, realized two branches and moved to the top simultaneously, will go up the casing and back up, make things convenient for the drawing of patterns.

Drawings

Fig. 1 is a schematic view of a main structure of a casting mold for an oil pump rotor of an automobile engine provided by the present invention;

fig. 2 is a schematic sectional view of a cross-sectional structure at a-a of the casting mold for the oil pump rotor of the automobile engine according to the present invention;

fig. 3 is the cross-sectional structure profile schematic diagram of a B-B position of the casting forming die for the oil pump rotor of the automobile engine provided by the utility model.

Illustration of the drawings:

1. an upper housing; 2. buckling; 3. a pedal; 4. a lower housing; 5. a first chute; 6. a clamping block; 7. an air cavity; 8. ammonium chloride crystals; 9. an extension spring; 10. a second chute; 11. a strut; 12. a transmission rod; 13. a third chute; 14. a fourth chute; 15. a fifth chute; 16. sand molding; 17. a sixth chute; 18. a first pin shaft; 19. and a second pin shaft.

Detailed Description

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an automobile engine oil pump rotor casting forming die, including last casing 1 and with last casing 1 lower casing 4 of terminal surface laminating down, casing 4 is inside to be provided with sand mould 16 down, casing 4 is longer inside to be seted up first spout 5 on the side table wall down, and the inside sliding connection of first spout 5 has two fixture blocks 6, one side that two fixture blocks 6 are close to each other forms air cavity 7 with casing 4 down, and the inside ammonium chloride crystal 8 that is provided with of air cavity 7, make ammonium chloride crystal 8 decompose the inflation when high temperature, conveniently promote the locking between buckle 2 and the fixture block 6.

Specifically, as shown in fig. 2, the number of the sand molds 16 is two, the two sand molds 16 are attached to each other, the bottom sand mold 16 is in clearance fit with the lower shell 4, and the top sand mold 16 is in clearance fit with the upper shell 1, so that the sand molds 16 and the upper shell 1 can be separated from each other more conveniently after casting.

Specifically, as shown in fig. 1, the second chute 10 has been seted up to the longer side table wall up end of lower casing 4, and the terminal surface welding has buckle 2 under the longer side table wall of upper casing 1, and buckle 2 and the laminating of second chute 10 side table wall for inside buckle 2 card second chute 10, the compound die between casing 1 and lower casing 4 is fixed in the convenience.

Specifically, as shown in fig. 1, one side of the vertical ends of the two clamping blocks 6, which are close to each other, is elastically connected through the extension spring 9, so that the extension spring 9 drives the two clamping blocks 6 to be close to each other, and the clamping between the clamping block 2 and the clamping block 6 is released.

Specifically, as shown in fig. 3, two sixth chutes 17 have been seted up about center pin department symmetry inside the short side table wall of lower casing 4, and the inside equal sliding connection of two sixth chutes 17 has branch 11, two branch 11 bottoms all are connected with transfer line 12 through the pivot rotation, fifth spout 15 has all been seted up at two transfer line 12 tops, and the inside equal sliding connection of two fifth spouts 15 has fourth spout 14, and the inside sliding connection of fourth spout 14 has second round pin axle 19, second round pin axle 19 and two fifth spouts 15 sliding connection, casing 4 side table wall is provided with footboard 3 down, and footboard 3 rotates with second round pin axle 19 to be connected, drive two branch 11 simultaneously to the top motion when making footboard 3, the convenience is with the steady parting between upper casing 1 and lower casing 4.

Specifically, as shown in fig. 3, two third sliding grooves 13 are formed in two sides of the center of the fourth sliding groove 14, a first pin 18 is slidably connected inside the third sliding groove 13, and the first pin 18 is rotatably connected with the transmission rod 12, so that the second pin 19 drives the two transmission rods 12 to rotate, and the transmission rod 12 is prevented from being clamped.

The working principle is as follows: when the device is used, firstly, the sand mold 16 is placed in the inner cavity of the lower shell 4, then the second sand mold 16 is fixed with the first sand mold 16, then the upper shell 1 and the lower shell 4 are installed through the matching between the buckle 2 and the second sliding groove 10, at the moment, the inner part of the sand mold 16 is subjected to liquid injection casting through a liquid injection groove and an air hole reserved in the upper shell 1, at the moment, the temperature of the lower shell 4 is raised through high-temperature metal liquid, so that the ammonium chloride crystal 8 is heated and decomposed, the pressure in the air cavity 7 is increased, the two clamping blocks 6 are pushed by air pressure to pull the tension spring 9 open, the clamping block 6 slides in the second sliding groove 10, at the moment, the clamping block 6 clamps the buckle 2, and the separation of the upper shell 1 and the lower; secondly, in the time before the temperature of the casting is cooled, the clamping block 6 clamps the buckle 2, the danger caused by opening the upper shell 1 through misoperation is avoided, when the temperature of the casting is recovered to the normal temperature, a reversion reaction is generated inside the air cavity 7, the ammonium chloride crystal 8 is regenerated, the thrust of the air cavity 7 to the clamping block 6 is reduced, the stretching spring 9 drives the clamping block 6 to approach each other, so that the clamping between the clamping block 6 and the buckle 2 is released, and the upper shell 1 is convenient to open; finally, pedal 3, make pedal 3 to the bottom motion, pedal 3 drives second round pin axle 19 to the bottom motion this moment, fifth spout 15 slides each other with second round pin axle 19 this moment, first round pin axle 18 slides inside third spout 13 simultaneously, thereby make transfer line 12 take place to rotate, and then make transfer line 12 drive branch 11 and slide inside sixth spout 17, branch 11 moves to the top this moment, thereby promote casing 1 and move to the top, will go up the steady back-up of casing 1, make things convenient for the drawing of patterns.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an automobile engine oil pump rotor casting forming die, includes casing (1) and lower casing (4) with terminal surface laminating under last casing (1), casing (4) inside is provided with sand mould (16) down, its characterized in that, casing (4) longer side table wall is inside to be seted up first spout (5) down, and first spout (5) inside sliding connection has two fixture blocks (6), one side that two fixture blocks (6) are close to each other forms air cavity (7) with lower casing (4), and air cavity (7) inside is provided with ammonium chloride crystal (8).

2. The casting and forming die for the oil pump rotor of the automobile engine as claimed in claim 1, wherein two sand molds (16) are arranged, the two sand molds (16) are attached to each other, the bottom sand mold (16) is in clearance fit with the lower shell (4), and the top sand mold (16) is in clearance fit with the upper shell (1).

3. The casting and forming die for the oil pump rotor of the automobile engine according to claim 1, wherein a second sliding groove (10) is formed in the upper end face of the longer side surface wall of the lower shell (4), a buckle (2) is welded to the lower end face of the longer side surface wall of the upper shell (1), and the buckle (2) is attached to the side surface wall of the second sliding groove (10).

4. The casting and forming die for the oil pump rotor of the automobile engine as claimed in claim 1, wherein the sides of the two fixture blocks (6) close to each other at the vertical ends are elastically connected through an extension spring (9).

5. The casting and forming die for the oil pump rotor of the automobile engine as claimed in claim 1, two sixth sliding chutes (17) are symmetrically arranged in the surface wall of the shorter side of the lower shell (4) around the central shaft, and the insides of the two sixth sliding grooves (17) are respectively connected with a supporting rod (11) in a sliding way, the bottoms of the two supporting rods (11) are respectively connected with a transmission rod (12) in a rotating way through a rotating shaft, the tops of the two transmission rods (12) are respectively provided with a fifth sliding groove (15), and the insides of the two fifth sliding chutes (15) are both connected with fourth sliding chutes (14) in a sliding way, and a second pin shaft (19) is connected inside the fourth sliding chute (14) in a sliding way, the second pin shaft (19) is connected with the two fifth sliding chutes (15) in a sliding way, the side surface wall of the lower shell (4) is provided with a pedal (3), and the pedal (3) is rotatably connected with a second pin shaft (19).

6. The casting and forming die for the automobile engine oil pump rotor as claimed in claim 5, wherein two third sliding grooves (13) are formed in two sides of the center of the fourth sliding groove (14), a first pin shaft (18) is slidably connected inside the third sliding grooves (13), and the first pin shaft (18) is rotatably connected with the transmission rod (12).