CN211416104U

CN211416104U - Injection mold for cylinder head cover

Info

Publication number: CN211416104U
Application number: CN201922412375.XU
Authority: CN
Inventors: 孙继信; 方先龙; 黎要军
Original assignee: Qingdao Guorun Mould Technology Co ltd
Current assignee: Qingdao Guorun Mould Technology Co ltd
Priority date: 2019-12-29
Filing date: 2019-12-29
Publication date: 2020-09-04
Anticipated expiration: 2029-12-29

Abstract

The utility model discloses a cylinder head cover injection mold, which belongs to the field of cylinders and comprises a cooling box, a lower mold and an upper mold, wherein the cooling box is movably sleeved outside the lower mold, the top of one side of the cooling box and the bottom of the other side of the cooling box are respectively and fixedly sleeved with a water inlet pipe and a water outlet pipe, the outside of the water inlet pipe and the water outlet pipe is respectively and fixedly provided with a water inlet valve and a water outlet valve, and the inside of the lower mold is provided with a through groove; this cylinder head cover injection mold, through setting up the cooler bin, lead to the groove, kicking block and electric putter, can be at the in-process of mould drawing of patterns, be convenient for carry out rapid cooling to the lower mould, make the inner wall of lower mould and the separation that the outside of product can be better, and through setting up movable groove, the push rod, push away dish and fixed plate, can be convenient for carry out the application of force to the product, make the inside of product and the outside of last mould can the quickly separating, the speed of mould drawing of patterns has been accelerated, thereby convenience has been brought for the drawing of patterns of mould.

Description

Injection mold for cylinder head cover

Technical Field

The utility model belongs to the technical field of the cylinder, concretely relates to cylinder head cover injection mold.

Background

The cylinder is a cylindrical metal part for guiding the piston to do linear reciprocating motion in the cylinder, air converts heat energy into mechanical energy through expansion in the engine cylinder, gas is compressed by the piston in the compressor cylinder to improve pressure, the application fields of the cylinder comprise printing, semiconductors, automatic control, robots and the like, and the cylinder cover is one of the parts of the cylinder and is a cover shell covered on the engine cylinder body, so that external impurities can be prevented from entering the engine, and meanwhile, the sealing effect is achieved, and for the plastic cylinder cover, an injection mold is generally required to be used for injection molding in the production process of the plastic cylinder cover; however, in the demolding process of most of existing injection molds, demolding is performed after the molds are naturally cooled, so that the demolding process of the molds is delayed, and adhesion between the inner walls of the molds and products is caused due to poor cooling effect, so that inconvenience is brought to demolding of the molds.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cylinder head cover injection mold to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an injection mold of a cylinder head cover comprises a cooling box, a lower mold and an upper mold, wherein the cooling box is movably sleeved outside the lower mold, a water inlet pipe and a water outlet pipe are respectively and fixedly sleeved at the top of one side of the cooling box and the bottom of the other side of the cooling box, a water inlet valve and a water outlet valve are respectively and fixedly installed at the outer parts of the water inlet pipe and the water outlet pipe, a through groove is formed in the lower mold, a top block is movably sleeved inside the through groove, the bottom of the top block is fixedly connected with an electric push rod, a positioning hole is formed in the top of the lower mold, a positioning rod is movably sleeved inside the positioning hole and fixedly connected to the bottom of the upper mold, a handle is fixedly connected to the top of the upper mold, a feeding groove is formed in the upper mold, a feeding pipe is fixedly installed inside the feeding groove, a feeding, the improved structure of the push rod mechanism is characterized in that a movable groove is formed in the upper die, a push rod is sleeved in the movable groove, a push disk is fixedly connected to the bottom end of the push rod, a fixing plate is sleeved on the outer portion of the push rod, the bottom of the fixing plate is fixedly connected with the top of the upper die, and the top of the fixing plate is in transmission connection with the top end of the push rod through a movable spring.

In a preferred embodiment, the bottom of the cooling box inner cavity is in contact with the bottom of the lower die, and the height value of the cooling box is smaller than that of the lower die.

As a preferred embodiment, the electric push rod is located inside the through groove, and the top end of the electric push rod is perpendicular to the bottom of the top block.

As a preferred embodiment, the positioning holes are matched with the positioning rods, the number of the positioning holes is four, and the sizes of the four positioning holes are equal.

As a preferred embodiment, the heating jacket is in the shape of a cylinder with a hollow middle part, and one side of the heating jacket is electrically connected with an external circuit through an electric wire.

As a preferred embodiment, the movable spring is movably sleeved outside the push rod, and two ends of the movable spring are respectively and fixedly connected with the top end of the push rod and the top of the fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the cylinder head cover injection mold, the cooling box, the through groove, the ejector block and the electric push rod are arranged, so that the lower mold can be cooled rapidly in the mold demolding process, the inner wall of the lower mold can be separated from the outside of a product better, force can be applied to the product conveniently by arranging the movable groove, the push rod, the push disc and the fixing plate, the inside of the product can be separated from the outside of the upper mold rapidly, the mold demolding speed is increased, and convenience is brought to mold demolding;

this cylinder head cover injection mold, through setting up the floating spring, can be after the mould drawing of patterns is finished for the push rod takes place to shift up under the effect of elasticity, thereby be convenient for drive the pushing tray and resume the normal position, and through setting up the heating jacket, can be convenient for heat the inside remaining thick liquids of inlet pipe bottom, avoided the inlet pipe to condense and lead to the discharge end of inlet pipe to take place the problem of jam because of the cooling of thick liquids when the defeated material next time, thereby guaranteed the patency of inlet pipe feed.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a partial cross-sectional view of the structure of the present invention;

fig. 3 is a top view of the middle and lower dies of the present invention;

fig. 4 is a top view of the heating jacket of the present invention.

In the figure: 1. a cooling tank; 2. a lower die; 3. an upper die; 4. a water inlet pipe; 5. a water outlet pipe; 6. a water inlet valve; 7. a water outlet valve; 8. a through groove; 9. a top block; 10. an electric push rod; 11. positioning holes; 12. positioning a rod; 13. a handle; 14. a feed chute; 15. a feed pipe; 16. a feed valve; 17. heating a jacket; 18. a movable groove; 19. a push rod; 20. pushing the disc; 21. a fixing plate; 22. a movable spring.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1 and 2, the present invention provides a cylinder head cover injection mold, which comprises a cooling box 1, a lower mold 2 and an upper mold 3, in order to facilitate the cooling of the injection-molded mold, the cooling box 1 is movably sleeved outside the lower mold 2, the bottom of the inner cavity of the cooling box 1 is contacted with the bottom of the lower die 2, and the height value of the cooling box 1 is smaller than that of the lower die 2, a water inlet pipe 4 and a water outlet pipe 5 are respectively fixedly sleeved at the top of one side and the bottom of the other side of the cooling box 1, a water inlet valve 6 and a water outlet valve 7 are respectively and fixedly arranged outside the water inlet pipe 4 and the water outlet pipe 5, after the injection molding of the cylinder head cover is finished, the water inlet valve 6 is opened, so that cooling water enters the cooling box 1 from the water inlet pipe 4, thereby be convenient for cool down the cooling to the housing product in the mould, and after the mould cooling, open outlet valve 7 for the inside water of cooler bin 1 is discharged from outlet pipe 5.

Please refer to fig. 2, in order to facilitate demolding of the cover product in the lower mold 2, a through groove 8 may be formed in the lower mold 2, a top block 9 is movably sleeved in the through groove 8, an electric push rod 10 is fixedly connected to the bottom of the top block 9, the electric push rod 10 is located in the through groove 8, and the top end of the electric push rod 10 is perpendicular to the bottom of the top block 9, after the cooling of the cover product in the lower mold 2 is completed, the cover product is loosened from the inner wall of the lower mold 2 due to cooling shrinkage, the electric push rod 10 is started at this time, so that the electric push rod 10 extends and moves up to push the top block 9, so that the bottom of the cover product is stressed and separated from the inner wall of the lower mold 2, thereby facilitating demolding of the cover product in the lower mold 2.

Referring to fig. 2 and 3, in order to enable the lower die 2 and the upper die 3 to correspond accurately, a positioning hole 11 may be formed in the top of the lower die 2, a positioning rod 12 is movably sleeved inside the positioning hole 11, the positioning hole 11 is matched with the positioning rod 12, the number of the positioning holes 11 is four, the four positioning holes 11 are equal in size, the positioning rod 12 is fixedly connected to the bottom of the upper die 3, when the upper die 3 is placed above the lower die 2, the upper die 3 is moved downwards slowly, the positioning rod 12 is moved downwards under the driving of the upper die 3, and the bottom end of the positioning rod 12 is slowly inserted into the positioning hole 11, so that the lower die 2 and the upper die 3 are accurately corresponded.

Referring to fig. 1, 2 and 4, in order to facilitate grouting inside the mold, a handle 13 may be fixedly connected to the top of the upper mold 3, a feeding chute 14 is formed inside the upper mold 3, a feeding pipe 15 is fixedly installed inside the feeding chute 14, a feeding valve 16 is fixedly installed outside the feeding pipe 15, a heating jacket 17 is fixedly sleeved on the outside of the bottom end of the feeding pipe 15, the heating jacket 17 is a cylinder with a hollow middle portion, and one side of the heating jacket 17 is electrically connected to an external circuit through an electric wire, after closing between the lower mold 2 and the upper mold 3 is completed, the feeding valve 16 is opened to allow slurry to be fed from the feeding pipe 15 to a molding cavity between the lower mold 2 and the upper mold 3, so as to facilitate grouting inside the mold, and when slurry supply is completed, the electric wire is connected to the circuit, so that the heating jacket 17 can be powered on to operate, so as to facilitate heating the slurry inside the bottom end of the feeding pipe 15, the problem that the discharging end of the feeding pipe 15 is condensed and blocked when the next grouting is carried out is avoided, so that the smoothness of material conveying of the feeding pipe 15 is ensured.

Referring to fig. 1 and 2, in order to facilitate the demolding of the cover product adhered to the exterior of the upper mold 3, a movable groove 18 may be formed in the upper mold 3, a push rod 19 is movably sleeved in the movable groove 18, a push tray 20 is fixedly connected to the bottom end of the push rod 19, a fixing plate 21 is fixedly sleeved on the exterior of the push rod 19, the bottom of the fixing plate 21 is fixedly connected to the top of the upper mold 3, the top of the fixing plate 21 is in transmission connection with the top end of the push rod 19 through a movable spring 22, the movable spring 22 is movably sleeved on the exterior of the push rod 19, and two ends of the movable spring 22 are respectively fixedly connected to the top end of the push rod 19 and the top of the fixing plate 21, when the handle 13 is taken up to pull the upper mold 3, the upper mold 3 is separated from the lower mold 2, because the inner wall of the lower mold 2 and the exterior of the cover product are cooled, the cover product is easily separated from the lower mold, and then the push rod 19 is pressed downwards, the movable spring 22 is extruded, the push rod 19 vertically moves downwards, the push disc 20 is driven to move downwards, the cover hood product is separated from the upper die 3 under the action of thrust, demoulding is convenient for the outer adhesion cover hood product of the upper die 3, when the push rod 19 is loosened, the movable spring 22 needs to restore deformation and drives the push rod 19 to move upwards, and the push disc 20 is driven by the push rod 19 to quickly restore to the original position.

The utility model discloses a theory of operation and use flow: firstly, the handle 13 is taken, the upper die 3 is placed above the lower die 2, the upper die 3 is slowly moved downwards, the positioning rod 12 is driven by the upper die 3 to move downwards, the bottom end of the positioning rod 12 is slowly inserted into the positioning hole 11, so that the lower die 2 and the upper die 3 can be accurately corresponded, then after the lower die 2 and the upper die 3 are closed, the feeding valve 16 is opened, slurry is conveyed into a forming cavity between the lower die 2 and the upper die 3 from the feeding pipe 15, so that the inner part of the die can be conveniently injected, after the slurry supply is finished, the heating sleeve 17 can be electrified to operate by utilizing an electric wire to connect a circuit, so that the slurry in the bottom end of the feeding pipe 15 can be conveniently heated, the problem that the discharging end of the feeding pipe 15 is condensed and blocked when the next slurry injection is carried out is avoided, the smoothness of the feeding pipe 15 is ensured, and then after the slurry injection is, opening the water inlet valve 6 to make the cooling water enter the cooling tank 1 from the water inlet pipe 4, thereby facilitating the cooling of the cover hood product in the mold, and after the mold cooling is finished, opening the water outlet valve 7 to make the water in the cooling tank 1 discharge from the water outlet pipe 5, finally after the mold cooling is finished, taking the handle 13 to pull the upper mold 3 upwards and starting the electric push rod 10 to make the electric push rod 10 extend and push the top block 9 to move upwards, so that the bottom stress of the cover hood product is separated from the inner wall of the lower mold 2, and simultaneously when the upper mold 3 is separated from the lower mold 2, because the inner wall of the lower mold 2 and the outer part of the cover hood product are cooled down, the cover hood product is easily separated from the lower mold 2, and at this time, the inner part of the cover hood product can be adhered to the outer part of the upper mold 3, and then the push rod 19 is pressed downwards to extrude the movable, make push rod 19 move down vertically to drive push away the dish 20 and move down, make the housing product under the effect of thrust with go up the phase separation between the mould 3, thereby be convenient for carry out the drawing of patterns to last mould 3 outside adhesion housing product, when loosening push rod 19, the movable spring 22 need resume deformation, and drive push rod 19 and take place to shift up, impel push away dish 20 and resume the normal position fast under the drive of push rod 19, thereby be convenient for prepare for drawing of patterns next time.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cylinder head cover injection mold, includes cooler bin (1), lower mould (2) and last mould (3), its characterized in that: the cooling box (1) is movably sleeved outside the lower die (2), the top of one side of the cooling box (1) and the bottom of the other side of the cooling box (1) are respectively and fixedly sleeved with a water inlet pipe (4) and a water outlet pipe (5), the outer parts of the water inlet pipe (4) and the water outlet pipe (5) are respectively and fixedly provided with a water inlet valve (6) and a water outlet valve (7), the inner part of the lower die (2) is provided with a through groove (8), the inner part of the through groove (8) is movably sleeved with a top block (9), the bottom of the top block (9) is fixedly connected with an electric push rod (10), the top of the lower die (2) is provided with a positioning hole (11), the inner part of the positioning hole (11) is movably sleeved with a positioning rod (12), the positioning rod (12) is fixedly connected to the bottom of the upper die (3), the top of the upper die (3, the inside fixed mounting of feed chute (14) has inlet pipe (15), the outside fixed mounting of inlet pipe (15) has feed valve (16), and the external fixation of inlet pipe (15) bottom has cup jointed heating jacket (17), movable groove (18) have been seted up to the inside of going up mould (3), push rod (19) have been cup jointed in the inside activity of movable groove (18), the bottom fixedly connected with of push rod (19) pushes away set (20), and the external fixation of push rod (19) has cup jointed fixed plate (21), the bottom of fixed plate (21) and the top fixed connection of last mould (3), and the top of fixed plate (21) is passed through movable spring (22) and is connected with the top transmission of push rod (19).

2. The cylinder head cover injection mold of claim 1, wherein: the bottom of the inner cavity of the cooling box (1) is in contact with the bottom of the lower die (2), and the height value of the cooling box (1) is smaller than that of the lower die (2).

3. The cylinder head cover injection mold of claim 1, wherein: the electric push rod (10) is located inside the through groove (8), and the top end of the electric push rod (10) is perpendicular to the bottom of the ejector block (9).

4. The cylinder head cover injection mold of claim 1, wherein: the positioning holes (11) are matched with the positioning rods (12), the number of the positioning holes (11) is four, and the sizes of the four positioning holes (11) are equal.

5. The cylinder head cover injection mold of claim 1, wherein: the heating sleeve (17) is in a cylindrical shape with a hollow middle part, and one side of the heating sleeve (17) is electrically connected with an external circuit through an electric wire.

6. The cylinder head cover injection mold of claim 1, wherein: the movable spring (22) is movably sleeved outside the push rod (19), and two ends of the movable spring (22) are fixedly connected with the top end of the push rod (19) and the top of the fixing plate (21) respectively.