CN216032229U

CN216032229U - Fuel pump cover injection mold provided with auxiliary device

Info

Publication number: CN216032229U
Application number: CN202122655572.1U
Authority: CN
Inventors: 甘涛; 杨清明; 李青春; 周龙; 李伟
Original assignee: Chengdu Wanshunda Mould & Parts Co ltd
Current assignee: Chengdu Wanshunda Mould & Parts Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-03-15
Anticipated expiration: 2031-11-02

Abstract

The utility model relates to a fuel pump cover injection mold provided with an auxiliary device, which comprises a mold, a hydraulic oil cylinder and an auxiliary device, wherein a fixed groove is arranged on a lower mold of the mold, the axis of the fixed groove is parallel to the horizontal plane, one end of the fixed groove is communicated with the side surface of the lower mold, the auxiliary device comprises a fixed block, a movable plate and a slide block A, the fixed block is matched with the fixed groove, a mounting groove is arranged on the top surface of the fixed block, the axis of the mounting groove is parallel to the axis of the fixed groove, one end of the mounting groove, which is close to a mold core in the lower mold, is an open end, the two ends of the movable plate are contacted with the two groove walls of the mounting groove, the bottom surface of the movable plate is contacted with the groove bottom of the mounting groove, the bottom surface of the slide block A is connected with the top surface of the movable plate, the hydraulic oil cylinder is connected with the side surface, which is far away from the lower mold, of the fixed block, a piston rod of the hydraulic oil cylinder is inserted into the mounting groove and then contacted with the slide block A, the utility model solves the problem that the contact pin cannot be accurately inserted before injection molding.

Description

Fuel pump cover injection mold provided with auxiliary device

Technical Field

The utility model relates to the technical field of injection molds, in particular to a fuel pump cover injection mold provided with an auxiliary device.

Background

The fuel pump cover is a cover arranged on the upper surface of the fuel pump, and the plastic replacement of steel is a necessary trend for low cost and high efficiency, so the existing pump cover is basically produced by injection molding. In the in-process of actual production, need place the contact pin before moulding plastics, because the contact pin is the metal copper sheet, has certain elasticity, directly carries out the contact pin during operation with slider mechanical movement, and the condition of slight collision often can appear in the contact pin, makes slight deformation and position mistake appear in the contact pin, directly moulds plastics like this and can lead to the product not to conform to qualified standard, leads to the cost to be high or not, and this work step needs to be improved to improve the productivity effect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel injection molding device for solving the technical problems, wherein the flexible matching of the sliding block A and the contact pin ensures that the contact pin is not deviated and deformed when being installed and fixed, and the sliding block B is used for limiting, so that the sliding block A is not moved to influence the injection molding result during injection molding, and the problem that the contact pin cannot be accurately inserted during the operation before injection molding is solved.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

an injection mold of a fuel pump cover provided with an auxiliary device comprises a mold, a hydraulic oil cylinder and the auxiliary device, a lower die of the die is provided with a fixed groove, the axis of the fixed groove is parallel to the horizontal plane, one end of the fixed groove is communicated with the side surface of the lower die, the auxiliary device comprises a fixed block, a movable plate and a sliding block A, the fixed block is matched with the fixed groove, the top surface of the fixed block is provided with a mounting groove, the axis of the mounting groove is parallel to the axis of the fixed groove, one end of the mounting groove close to the mold core in the lower mold is an open end, the two ends of the movable plate are contacted with the two groove walls of the mounting groove, the bottom surface of the movable plate is contacted with the groove bottom of the mounting groove, the bottom surface of the sliding block A is connected with the top surface of the movable plate, the hydraulic oil cylinder is connected with the side surface, far away from the lower die, of the fixed block, and a piston rod of the hydraulic oil cylinder is inserted into the mounting groove and then contacts with the sliding block A.

When the mold is opened, the hydraulic oil cylinder is controlled to enable the piston rod to contract, the piston rod pulls the sliding block B and the sliding block A to move together to be far away from the mold core, the sliding block A is enabled to be separated from contact with an injection molding product, in the moving process of the sliding block B, the inclined plane on the collision block is in contact with the inclined plane on the hook and slides relatively, the hook rotates around the axis of the positioning pin, the spring is compressed, one end, far away from the collision block, of the hook is separated from matching with the groove on the sliding block A, the position of the unlimited sliding block A is convenient to adjust, and the fact that the unlimited sliding block A can be correctly matched with the contact pin is guaranteed.

During die assembly, the contact pin is fixed on the die core, the slide block A moves in the mounting groove to be in contact with the top surface of the die core, the contact pin is correctly matched with a preformed hole in the slide block A by continuously debugging in the process of moving the slide block A, then the hydraulic oil cylinder is controlled to enable the piston rod to push the slide block B to move towards the slide block A until the slide block B is in contact with a connecting plate on the slide block A, and the hook is stably matched with a groove in the slide block A under the action of the spring so as to carry out the next die opening operation.

According to the utility model, through flexible matching of the sliding block A and the contact pin, the contact pin is ensured not to have deviation and deformation when being installed and fixed, and the sliding block B is used for limiting, so that the sliding block A is ensured not to move during injection molding to influence the injection molding result, and the problem that the contact pin cannot be accurately inserted during operation before injection molding is solved.

Further, be equipped with connecting device in the mounting groove, connecting device includes slider B, spring, couple and connecting plate, connecting plate perpendicular to horizontal plane, connecting plate and slider A are connected, and the both ends of connecting plate and slider A's side form the slot, one side and the piston rod of slider B are connected, and the opposite side and the connecting plate contact are equipped with the guide way on two sides that the piston rod was kept away from to slider B, the guide way is logical groove, and the axis of guide way is parallel with the axis of piston rod, the couple passes through the locating pin and installs in the guide way, the axis perpendicular to horizontal plane of locating pin, the one end of couple is passed through the spring and is connected with the tank bottom of guide way, and the other end and slot cooperation.

Furthermore, two sides of one end, far away from the sliding block A, of the mounting groove are respectively provided with a collision block, the side face, far away from the groove wall of the mounting groove, of each collision block is communicated with the side face, far away from the hydraulic oil cylinder, to form an inclined face, and the side face, far away from the sliding block A, of the hook is communicated with the side face, far away from the piston rod, to form an inclined face.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through flexible matching of the sliding block A and the contact pin, the contact pin is ensured not to have deviation and deformation when being installed and fixed, and the sliding block B is used for limiting, so that the sliding block A is ensured not to move during injection molding to influence the injection molding result, and the problem that the contact pin cannot be accurately inserted during operation before injection molding is solved.

2. The hook can ensure that the sliding block B and the sliding block A are stably connected, and the sliding block A is convenient to move when the mold is opened.

3. In the utility model, the slide block A moves away from the mold core when the mold is opened, the inclined surface on the hook is contacted with the inclined surface on the collision block and moves relatively in the moving process, the collision block is fixed and can not move, and the hook is fixed at the position by the positioning pin, so that the positioning pin can only rotate in a small range, the spring is compressed, and the hook is separated from the slide block A to ensure that the slide block A can move freely in the mounting groove.

Drawings

FIG. 1 is a schematic view of the structure of the lower mold of the present invention.

The attached drawings are as follows: 1-lower die, 2-die core, 3-hydraulic oil cylinder, 4-piston rod, 5-fixed block, 6-slide block B, 7-slide block A, 8-hook, 9-spring, 10-collision block, 11-connecting plate, 12-fixed groove, 13-positioning pin, 14-mounting groove, 15-guide groove, 16-movable plate and 17-contact pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

The present invention will be described in detail with reference to fig. 1.

Example 1

A fuel pump cover injection mold provided with an auxiliary device comprises a mold, a hydraulic oil cylinder 3 and the auxiliary device, wherein a fixed groove 12 is arranged on a lower mold 1 of the mold, the axis of the fixed groove 12 is parallel to the horizontal plane, one end of the fixed groove 12 is communicated with the side face of the lower mold 1, the auxiliary device comprises a fixed block 5, a movable plate 16 and a sliding block A7, the fixed block 5 is matched with the fixed groove 12, a mounting groove 14 is arranged on the top face of the fixed block 5, the axis of the mounting groove 14 is parallel to the axis of the fixed groove 12, one end, close to a mold core 2 in the lower mold 1, of the mounting groove 14 is an open end, two ends of the movable plate 16 are in contact with two groove walls of the mounting groove 14, the bottom face of the movable plate 16 is in contact with the groove bottom of the mounting groove 14, the bottom face of the sliding block A7 is connected with the top face of the movable plate 16, the hydraulic oil cylinder 3 is connected with the side face, far away from the lower mold 1, of the fixed block 5, the piston rod 4 of the hydraulic oil cylinder 3 is inserted into the mounting groove 14 and then contacts with the slide block A7.

When the mold is opened, the hydraulic oil cylinder 3 is controlled to enable the piston rod 4 to contract, the piston rod 4 pulls the sliding block B6 and the sliding block A7 to move together to be far away from the mold core 2, the sliding block A7 is enabled to be separated from contact with an injection molding product, in the moving process of the sliding block B, the inclined plane on the collision block 10 is in contact with the inclined plane on the hook 8 and slides relatively, the hook 8 rotates around the axis of the positioning pin 13, the spring 9 is compressed, one end, far away from the collision block 10, of the hook 8 is separated from matching with the groove on the sliding block A7, the position of the unlimited sliding block A7 is convenient to adjust, and correct matching with the contact pin 17 is guaranteed.

When the mold is closed, the contact pin 17 is fixed on the mold core 2, then the slide block A7 is moved in the mounting groove 14 to be contacted with the top surface of the mold core 2, the contact pin 17 is correctly matched with a preformed hole on the slide block A7 by continuously debugging in the process of moving the slide block A7, then the hydraulic oil cylinder 3 is controlled to enable the piston rod 4 to push the slide block B6 to move towards the slide block A7 until the slide block B6 is contacted with the connecting plate 11 on the slide block A7, and the hook 8 is stably matched with a groove on the slide block A7 under the action of the spring 9 so as to carry out the next mold opening operation.

The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that all such changes and modifications as fall within the true spirit and scope of the utility model be considered as within the following claims.

Claims

1. The utility model provides an install auxiliary device's fuel pump cover injection mold which characterized in that: the die comprises a die, a hydraulic oil cylinder (3) and an auxiliary device, wherein a fixed groove (12) is arranged on a lower die (1) of the die, the axis of the fixed groove (12) is parallel to the horizontal plane, one end of the fixed groove (12) is communicated with the side surface of the lower die (1), the auxiliary device comprises a fixed block (5), a movable plate (16) and a sliding block A (7), the fixed block (5) is matched with the fixed groove (12), a mounting groove (14) is arranged on the top surface of the fixed block (5), the axis of the mounting groove (14) is parallel to the axis of the fixed groove (12), one end, close to a die core (2) in the lower die (1), of the mounting groove (14) is an open end, two ends of the movable plate (16) are in contact with two groove walls of the mounting groove (14), the bottom surface of the movable plate (16) is in contact with the groove bottom of the mounting groove (14), and the bottom surface of the sliding block A (7) is connected with the top surface of the movable plate (16), the side face, far away from the lower die (1), of the fixing block (5) is connected with the hydraulic oil cylinder (3), and a piston rod (4) of the hydraulic oil cylinder (3) is inserted into the mounting groove (14) and then is in contact with the sliding block A (7).

2. The fuel pump cover injection mold with the auxiliary device as set forth in claim 1, characterized in that: a connecting device is arranged in the mounting groove (14), the connecting device comprises a slider B (6), a spring (9), a hook (8) and a connecting plate (11), the connecting plate (11) is perpendicular to the horizontal plane, the connecting plate (11) is connected with the slider A (7), two ends of the connecting plate (11) and the side surface of the slider A (7) form a groove, one side of the slider B (6) is connected with the piston rod (4), the other side of the slider B (6) is in contact with the connecting plate (11), two side surfaces, far away from the piston rod (4), of the slider B (6) are provided with guide grooves (15), the guide grooves (15) are through grooves, the axis of the guide grooves (15) is parallel to the axis of the piston rod (4), the hook (8) is mounted in the guide grooves (15) through a positioning pin (13), the axis of the positioning pin (13) is perpendicular to the horizontal plane, one end of the hook (8) is connected with the bottom of the guide grooves (15) through the spring (9), the other end is matched with the groove.

3. The fuel pump cover injection mold with the auxiliary device as set forth in claim 2, characterized in that: two sides of one end, far away from the sliding block A (7), of the mounting groove (14) are respectively provided with a collision block (10), the side face, far away from the groove wall of the mounting groove (14), of each collision block (10) is communicated with the side face, far away from the hydraulic oil cylinder (3) to form an inclined face, and the side face, far away from the sliding block A (7), of the hook (8) is communicated with the side face, far away from the piston rod (4) to form an inclined face.