CN210632894U

CN210632894U - Inner-buckled gate valve body lost foam mould

Info

Publication number: CN210632894U
Application number: CN201921535299.5U
Authority: CN
Inventors: 刘中华; 郭世雄
Original assignee: Luoyang Liushi Mould Co ltd
Current assignee: Luoyang Liushi Mould Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-05-29
Anticipated expiration: 2029-09-17

Abstract

The utility model belongs to the technical field of disappearance mould, a interior knot gate valve body disappearance mould is proposed. The provided lost foam mold for the valve body of the inner buckle gate valve is provided with an upper mold and a lower mold, wherein two symmetrically arranged movable blocks are arranged in the lower mold, namely a movable block II and a movable block III are symmetrically arranged in the lower mold; a cylinder II and a cylinder III are respectively arranged corresponding to the movable block II and the movable block III; a movable block I is also arranged in the lower die; a cylinder I is arranged corresponding to the movable block I; the rear end of the movable block I is connected with the air cylinder I, and the front end of the movable block I is fixedly provided with two shells for placing a movable block IV; the two shells are correspondingly arranged and positioned in front of the movable blocks II and III; and each movable block IV is provided with a guide mechanism for driving the movable block IV to move. The utility model realizes full-automatic core pulling of the loose piece at the inner side of the cavity, and reduces manual loose piece taking; the production efficiency is improved, and the unmanned full-automatic white mold production in the white area of the lost foam is realized.

Description

Inner-buckled gate valve body lost foam mould

Technical Field

The utility model belongs to the technical field of disappearance mould, concretely relates to interior knot gate valve body disappearance mould.

Background

The structure of interior knot gate valve body is shown in fig. 5, including detaining the fashioned in-process of gate valve body, the fillet portion of the inside both sides of valve body is because the processing degree of difficulty angle, in prior art, has all got rid of these two fillets for realizing the mould full automatization, along with the improvement that foreign trade spare required, is necessary to design a novel mould, makes its full-automatic loose core that can realize the inboard loose piece of die cavity to reach the requirement of foreign trade spare.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing an interior knot gate valve body disappearance mould.

The utility model adopts the following technical scheme for accomplishing the above purpose:

an inner buckle gate valve body lost foam mold is provided with an upper mold and a lower mold; the upper die is a female die, and the lower die is a male die; the lower die is internally provided with two symmetrically arranged movable blocks, namely a movable block II and a movable block III which are symmetrically arranged in the lower die; the air cylinder II and the air cylinder III which are used for driving the corresponding movable blocks to reciprocate are respectively arranged corresponding to the movable blocks II and the movable blocks III; a movable block I is also arranged in the lower die; a cylinder I for driving the movable block I to reciprocate is arranged corresponding to the movable block I; the cylinder I is fixed on the outer wall surface of the lower die; the motion of the movable block I is vertical to the motion of the movable blocks II and III; the rear end of the movable block I is connected with the air cylinder I, and the front end of the movable block I is fixedly provided with two shells for placing a movable block IV; the two shells are correspondingly arranged and positioned in front of the movable blocks II and III; each movable block IV is provided with a guide mechanism for driving the movable block IV to move; the guide mechanism is provided with a mandril, a screw rod and a spring; the two groups of guide mechanisms are arranged; each group is multiple; a plurality of ejector rods of one group of guide mechanisms are arranged at the moving end of the loose piece II or the loose piece III; the screw rod is fixed on the movable block IV adjacent to the movable block II or the movable block III; the screw rod is elastically connected with and supported by a spring with the corresponding ejector rod; a plurality of ejector rods of the other group of guide mechanisms are arranged at the moving end of the loose piece III or the loose piece II; the screw rod is fixed on the movable block IV adjacent to the movable block III or the movable block II; the screw rod is elastically connected with and supported by a spring with the corresponding ejector rod; the movable blocks II and III move oppositely under the action of the air cylinders II and III, the corresponding lead screws are compressed, opposite movable blocks IV are ejected out, and a cavity is formed between the two movable blocks IV; the movable blocks II and III move back to back under the action of the air cylinders II and III to compress the corresponding lead screws, and the two movable blocks IV are combined into a whole under the action of spring elasticity.

And the air cylinder II and the air cylinder III are respectively fixed on the outer wall surface of the lower die.

The fixed end of the movable block II is fixed at the output end of the air cylinder II; a mandril is arranged at the movable end of the loose block II; the number of the ejector rods is two, and each group is at least three at the vertex of the triangle; one of the two groups of the push rods is enclosed into a regular triangle, and the other group is enclosed into an inverted regular triangle.

The fixed end of the movable block III is fixed at the output end of the air cylinder III; a mandril is arranged at the movable end of the loose block II; the number of the ejector rods is two, and each group is at least three at the vertex of the triangle; one of the two groups of the push rods is enclosed into a regular triangle, and the other group is enclosed into an inverted regular triangle.

The utility model provides an interior knot gate valve body disappearance mould adopts above-mentioned technical scheme, provides power by the cylinder that sets up on the lower mould, and it is promptly to drive the three-dimensional loose piece: the movable block I, the movable block II and the movable block III move outwards, and meanwhile, the screw rod is pushed by the spring to move inwards towards the inner movable block IV, so that the movable block of the inner buckling part moves under the driving of the large outer movable block and the spring, the full-automatic core pulling of the movable block at the inner side of the cavity is realized, and the manual movable block taking is reduced; the production efficiency is improved, and the unmanned full-automatic white mold production in the white area of the lost foam is realized.

Drawings

Fig. 1 is a schematic view of the mold closing state of the present invention.

Fig. 2 is the schematic view of the mold opening state of the present invention.

Fig. 3 is a schematic structural view of one side of the middle guide mechanism of the present invention.

Fig. 4 is a schematic view of another side structure of the middle guide mechanism of the present invention.

FIG. 5 is a schematic structural diagram of the inside buckle gate valve body.

In the figure: 1. the device comprises an upper die, 2, a lower die, 3, movable blocks I and 4, movable blocks II and 5, movable blocks III and 6, cylinders I and 7, cylinders II and 8, cylinders III and 9, a shell, 10, movable blocks IV and 11, ejector rods, 12, a screw rod, 13 and a spring.

Detailed Description

The invention is described in connection with the accompanying drawings and the embodiments:

as shown in fig. 1 and 2, the inner buckle gate valve body lost foam mold comprises an upper mold 1 and a lower mold 2; the upper die 1 is a female die, and the lower die 2 is a male die; the lower die 2 is internally provided with two symmetrically arranged movable blocks, namely a movable block II 4 and a movable block III 5 which are symmetrically arranged in the lower die 2; the air cylinder II 7 and the air cylinder III 8 which are used for driving the corresponding movable blocks to reciprocate are respectively arranged corresponding to the movable blocks II 4 and the movable blocks III 5; the air cylinder II 7 and the air cylinder III 8 are respectively fixed on the outer wall surface of the lower die 2 through screws; a loose piece I3 is also arranged in the lower die; a cylinder I6 for driving the movable block I3 to reciprocate is arranged corresponding to the movable block I3; the cylinder I6 is fixed on the outer wall surface of the lower die 2; the motion of the movable block I3 is vertical to the motion of the movable blocks II 4 and III 5; the rear end of the movable block I3 is connected with the air cylinder I6, and the front end of the movable block I3 is fixedly provided with two shells 9 for placing movable blocks IV 10; the two shells 9 are correspondingly arranged, and the shells 9 are positioned in front of the loose pieces II 4 and III 5; each movable block IV 10 is provided with a guide mechanism for driving the movable block IV to move; with reference to fig. 3 and 4, the guide mechanism has a top rod 11, a screw rod 12 and a spring 13; the two groups of guide mechanisms are arranged; each group is multiple; a plurality of ejector rods 11 of one group of guide mechanisms are arranged at the moving end of the loose piece II 4; the screw rod 12 is fixed on the movable block IV 10 adjacent to the movable block II 4; the screw rod 12 is elastically connected and supported with the corresponding ejector rod 11 by a spring 13; a plurality of ejector rods 11 of the other group of guide mechanisms are arranged at the moving end of the loose piece III 5; the screw rod 12 is fixed on the movable block IV 10 adjacent to the movable block III 5; the screw rod 11 is elastically connected and supported with the corresponding ejector rod 11 by a spring 13; the movable blocks II 4 and III 5 move oppositely under the action of the air cylinders II 7 and III 8, the corresponding lead screws 12 are compressed and ejected out of the opposite movable blocks IV 10, and a cavity is formed between the two movable blocks IV 10; the movable blocks II 4 and III 5 move back to back under the action of the air cylinders II 7 and III 8 to compress the corresponding lead screws, and the two movable blocks IV 10 are combined into a whole under the action of spring elasticity.

The fixed end of the loose piece II 4 is fixed at the output end of the air cylinder II 7; the movable end of the loose piece II 4 is provided with a mandril 11; the ejector rods 11 are divided into two groups, and each group comprises at least three ejector rods positioned at the vertex of the triangle; in the two groups of the top rods 11, one group is enclosed into a regular triangle, and the other group is enclosed into an inverted regular triangle.

The fixed end of the movable block III 5 is fixed at the output end of the air cylinder III 8; a mandril 11 is arranged at the movable end of the loose block II; the ejector rods 11 are divided into two groups, and each group comprises at least three ejector rods positioned at the vertex of the triangle; in the two groups of the top rods 11, one group is enclosed into a regular triangle, and the other group is enclosed into an inverted regular triangle.

The utility model discloses the motion process description:

the mold opening process comprises: after the white mold is formed, the upper mold moves upwards through the forming machine to open the upper mold, the cylinder on the outer side of the lower mold is opened to form outward power to pull the movable blocks II 4 and III 5 to move outwards, meanwhile, the inward jacking force of the screw rod on the two movable blocks IV 10 in the movable block I3 is gradually reduced to disappear due to the outward movement of the movable blocks II 4 and III 5, make the spring extend along with the outward movement of loose piece 2 and loose piece 3 from original compression state gradually, drive the lead screw and begin to outwards remove, pull the loose piece by the lead screw another finally and remove to the same direction, the both sides loose piece removes can be closed after the maximum condition, pull I3 of loose piece outward motion by cylinder I this moment, three big loose piece is pulled by three cylinder and is thrown off this moment, two loose pieces IV 10 on the loose piece I3 pull by the spring lead screw structure closed and deviate from, then take out the white mould through robotic arm.

A mold closing process: after the mold is taken out, the outer cylinder is closed to form inward power, the movable block 1 is driven to move inwards firstly, the movable block II 4 and the movable block III 5 are driven to move inwards by the cylinder after reaching a fixed position, ejector rods on the movable block II 4 and the movable block III 5 are contacted with a screw rod on the movable block I3 and then continue to move inwards to extrude the screw rod and drive the two movable blocks IV 10 to move synchronously by a spring, the closed state is changed into a cavity state when the mold is opened, all the movable blocks required by the mold are in place after reaching the fixed position, and the movable block of the mold is reset. The upper die moves downwards through the forming machine to complete die assembly of the upper die and the lower die, and the whole die assembly action is completed.

Claims

1. An inner buckle gate valve body lost foam mold is provided with an upper mold and a lower mold; the upper die is a female die, and the lower die is a male die; the method is characterized in that: the lower mould in have two symmetrical loose pieces that set up: the movable blocks II and III are symmetrically arranged in the lower die; the air cylinder II and the air cylinder III which are used for driving the corresponding movable blocks to reciprocate are respectively arranged corresponding to the movable blocks II and the movable blocks III; a movable block I is also arranged in the lower die; a cylinder I for driving the movable block I to reciprocate is arranged corresponding to the movable block I; the cylinder I is fixed on the outer wall surface of the lower die; the motion of the movable block I is vertical to the motion of the movable blocks II and III; the rear end of the movable block I is connected with the air cylinder I, and the front end of the movable block I is fixedly provided with two shells for placing a movable block IV; the two shells are correspondingly arranged and positioned in front of the movable blocks II and III; each movable block IV is provided with a guide mechanism for driving the movable block IV to move; the guide mechanism is provided with a mandril, a screw rod and a spring; the two groups of guide mechanisms are arranged; each group is multiple; a plurality of ejector rods of one group of guide mechanisms are arranged at the moving end of the loose piece II or the loose piece III; the screw rod is fixed on the movable block IV adjacent to the movable block II or the movable block III; the screw rod is elastically connected with and supported by a spring with the corresponding ejector rod; a plurality of ejector rods of the other group of guide mechanisms are arranged at the moving end of the loose piece III or the loose piece II; the screw rod is fixed on the movable block IV adjacent to the movable block III or the movable block II; the screw rod is elastically connected with and supported by a spring with the corresponding ejector rod; the movable blocks II and III move oppositely under the action of the air cylinders II and III, the corresponding lead screws are compressed, opposite movable blocks IV are ejected out, and a cavity is formed between the two movable blocks IV; the movable blocks II and III move back to back under the action of the air cylinders II and III to compress the corresponding lead screws, and the two movable blocks IV are combined into a whole under the action of spring elasticity.

2. The lost foam mold for the internal clinch gate valve body as claimed in claim 1, wherein: and the air cylinder II and the air cylinder III are respectively fixed on the outer wall surface of the lower die.

3. The lost foam mold for the internal clinch gate valve body as claimed in claim 1, wherein: the fixed end of the movable block II is fixed at the output end of the air cylinder II; a mandril is arranged at the movable end of the loose block II; the number of the ejector rods is two, and each group is at least three at the vertex of the triangle; one of the two groups of the push rods is enclosed into a regular triangle, and the other group is enclosed into an inverted regular triangle.

4. The lost foam mold for the internal clinch gate valve body as claimed in claim 1, wherein: the fixed end of the movable block III is fixed at the output end of the air cylinder III; a mandril is arranged at the movable end of the loose block II; the number of the ejector rods is two, and each group is at least three at the vertex of the triangle; one of the two groups of the push rods is enclosed into a regular triangle, and the other group is enclosed into an inverted regular triangle.