CN219648675U

CN219648675U - Precision part processing casting mould

Info

Publication number: CN219648675U
Application number: CN202223386486.6U
Authority: CN
Inventors: 叶俊龙
Original assignee: Wuhan Qijin Machinery Manufacturing Co ltd
Current assignee: Wuhan Qijin Machinery Manufacturing Co ltd
Priority date: 2022-12-17
Filing date: 2022-12-17
Publication date: 2023-09-08
Anticipated expiration: 2032-12-17

Abstract

The utility model discloses a precision part machining casting die which comprises a lower die, wherein a plurality of fixing rods are fixed at the upper end of the lower die, horizontal plates are jointly fixed at the upper ends of the fixing rods, upper dies are jointly connected with the circumferential side walls of the fixing rods in a sliding mode, telescopic cylinders are fixed at the two ends of the lower die, rod heads of the two telescopic cylinders are fixed with the bottom of the upper dies, mounting grooves are formed in the bottom of the upper dies, mounting blocks are jointly connected with the inside of the mounting grooves through two groups of limiting mounting devices, and model blocks are fixed at the bottoms of the mounting blocks. Through setting up spacing installation device, can be after vertical pole offsets with the horizontal plate, utilize being trapezoidal ejector pad and promote the fixture block along the dovetail groove and remove to can realize the separation of fixture block and draw-in groove automatically, only need single the holding up the model piece can realize taking out the model piece this moment, can make the change of model piece more convenient, the casting processing of convenient different products is used.

Description

Precision part processing casting mould

Technical Field

The utility model relates to the technical field of casting molds, in particular to a precision part machining casting mold.

Background

The casting mold is used for forming castings in a casting forming process, is an important ring in the casting process, and is required to be produced for the production of a large number of precise parts;

through retrieving, the utility model patent of application number "CN202123050490.0" discloses a precision parts processing casting mould, including the base, the top fixed mounting of base has a quantity to be two box, the inside fixed mounting of box has drive assembly, drive assembly's top fixedly connected with backup pad, the bottom swing joint of backup pad has first die body, the top of base is provided with the second die body, be provided with fixed knot between first die body and the backup pad and construct. According to the precision part machining casting die, the two pulling blocks are pulled outwards through the fixing structure, the pulling blocks drive the pull rod to move, the pull rod drives the baffle to move, the baffle drives the part of the pull rod located in the clamping groove to move outwards, and the part of the pull rod is separated from the clamping groove, so that the shaping die body can be replaced, the molding requirements of different types of precision parts can be met, and the problems that the size of the existing precision part machining casting die is relatively fixed and the working efficiency can be influenced to a certain extent are solved;

but the device is through the manual work to both sides pulling piece, realizes the dismantlement separation of first die body, can't carry out single dismantlement for it is comparatively troublesome to dismantle, and the device lacks ejection mechanism moreover, and after the part shaping, casting mould is comparatively inflexible and then leads to the part to be difficult to the drawing of patterns, thereby can lead to cast efficiency reduction.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a precision part machining casting die.

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

the utility model provides a precision parts processing casting mould, includes the bed die, the upper end of bed die is fixed with a plurality of dead levers, and is a plurality of the upper end of dead lever is fixed with the horizontal plate jointly, and is a plurality of the circumference lateral wall of dead lever is sliding connection jointly has the mould, the both ends of bed die all are fixed with flexible jar, two the pole head of flexible jar is all fixed with last mould bottom, the mounting groove has been seted up to the bottom of last mould, the inside of mounting groove is connected with the installation piece jointly through two sets of limit installation device, the installation piece bottom is fixed with the model piece, the shaping die cavity has been seted up to the upper end of bed die, the inside of bed die is provided with automatic ejecting device.

Preferably, the automatic ejection device comprises a rectangular cavity arranged at the bottom of the lower die, the inner wall of the rectangular cavity is slidably connected with a moving plate, and the bottom of the moving plate is fixedly connected with the inner bottom of the rectangular cavity through a plurality of supporting springs.

Preferably, a plurality of push rods and ejector rods are fixed at the upper end of the moving plate, the upper ends of the push rods penetrate through the upper portion of the lower die, and the upper ends of the ejector rods penetrate through the forming cavity.

Preferably, the upper end of the upper die is rotatably connected with a rotary rod, a limiting plate is fixed on the circumferential side wall of the rotary rod, a travel switch is fixed at the end part of the limiting plate, and the travel switch corresponds to the horizontal plate.

Preferably, the limit installation device comprises a horizontal groove formed in the inner wall of the installation groove, a clamping block is slidably connected to the inner wall of the horizontal groove, one end of the clamping block is fixedly connected with the inner part of the horizontal groove through a reset spring, a clamping groove is formed in the side wall of the installation block, and the other end of the clamping block corresponds to the clamping groove.

Preferably, the trapezoidal groove is formed in the upper end of the clamping block, the pushing block is slidably connected to the inner wall of the trapezoidal groove, the pushing block is a trapezoidal block, a vertical rod is fixed to the upper end of the pushing block, and the upper end of the vertical rod penetrates through the upper portion of the upper die.

Compared with the prior art, the utility model has the advantages that:

1. in the device, by arranging the automatic ejection device, the upward moving and resetting of the moving plate can be realized by utilizing the supporting spring under the compression state in the process of driving the upper die to move upwards by the telescopic cylinder, so that the ejection of the molded product can be realized by utilizing the ejector rods in the plurality of molding cavities, the product is not required to be taken manually, and the casting efficiency of the product can be effectively increased;

2. in this device, through setting up spacing installation device, can be after vertical pole offsets with the horizontal plate, utilize to be trapezoidal ejector pad and promote the fixture block along the dovetail groove and remove to can realize the separation of fixture block and draw-in groove automatically, only need single the holding up the model piece can realize taking out the model piece this moment, can make the change of model piece more convenient, the casting processing of convenient different products uses.

Drawings

FIG. 1 is a schematic diagram of a precision part processing casting mold according to the present utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a front cross-sectional view of a portion of a limit mounting apparatus in a precision part machining casting mold according to the present utility model;

fig. 4 is a side view of a precision part machining casting mold according to the present utility model.

In the figure: the mold comprises a lower mold 1, a fixed rod 2, a horizontal plate 3, a telescopic cylinder 4, an upper mold 5, a mounting groove 6, a model block 7, a molding cavity 8, a rectangular cavity 9, a moving plate 10, a push rod 11, a push rod 12, a supporting spring 13, a rotating rod 14, a limiting plate 15, a travel switch 16, a mounting block 17, a horizontal groove 18, a clamping block 19, a clamping groove 20, a return spring 21, a trapezoid groove 22, a push block 23 and a vertical rod 24.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 4, a precision part machining casting mold comprises a lower mold 1, wherein a plurality of fixing rods 2 are fixed at the upper end of the lower mold 1, a horizontal plate 3 is fixed at the upper end of each fixing rod 2, an upper mold 5 is connected to the circumferential side walls of each fixing rod 2 in a sliding manner, telescopic cylinders 4 are fixed at the two ends of the lower mold 1, rod heads of the two telescopic cylinders 4 are fixed at the bottom of the upper mold 5, a mounting groove 6 is formed in the bottom of the upper mold 5, mounting blocks 17 are connected to the inside of the mounting groove 6 through two groups of limiting mounting devices, a mold block 7 is fixed at the bottom of each mounting block 17, a molding cavity 8 is formed in the upper end of the lower mold 1, and an automatic ejection device is arranged in the lower mold 1.

The automatic ejection device comprises a rectangular cavity 9 arranged at the bottom of the lower die 1, the inner wall of the rectangular cavity 9 is connected with a moving plate 10 in a sliding manner, and the bottom of the moving plate 10 is fixedly connected with the inner bottom of the rectangular cavity 9 through a plurality of supporting springs 13; the upper end of movable plate 10 is fixed with a plurality of push rods 11 and ejector pin 12, the top of a plurality of push rods 11 all runs through to the top of bed die 1, the upper end of a plurality of ejector pins 12 all runs through to inside the shaping chamber 8, ejector pin 12 and the sealed sliding connection of shaping chamber 8 inner wall, and when movable plate 10 reaches extreme position, ejector pin 12 is leveled with shaping intracavity 8 interior bottom, through setting up automatic ejecting device, can drive the upward movement in-process of last mould 5 at telescopic cylinder 4, utilize the supporting spring 13 under the compression state to realize the upward movement reset of movable plate 10, thereby usable a plurality of inside ejector pins 12 of shaping chamber 8 realize the ejecting to the product after the shaping, need not to take the product by people, can effectively increase the casting efficiency of product.

The upper end of the upper die 5 is rotationally connected with a rotary rod 14, the rotary rod 14 is installed stably, a limiting plate 15 is fixed on the circumferential side wall of the rotary rod 14, a travel switch 16 is fixed on the end portion of the limiting plate 15, the travel switch 16 corresponds to the horizontal plate 3, and the travel switch 16 can automatically control the closing of the telescopic cylinder 4 after contacting with the bottom of the horizontal plate 3.

The limiting and mounting device comprises a horizontal groove 18 formed in the inner wall of the mounting groove 6, a clamping block 19 is slidably connected to the inner wall of the horizontal groove 18, the clamping block 19 is a trapezoid block, the mounting and use of the model block 7 are facilitated, one end of the clamping block 19 is fixedly connected with the inside of the horizontal groove 18 through a reset spring 21, a clamping groove 20 is formed in the side wall of the mounting block 17, and the other end of the clamping block 19 corresponds to the clamping groove 20; the trapezoidal groove 22 has been seted up to the upper end of fixture block 19, and trapezoidal groove 22's inner wall sliding connection has ejector pad 23, and ejector pad 23 is trapezoidal piece, and ejector pad 23's upper end is fixed with vertical pole 24, and the upper end of vertical pole 24 runs through the top of supreme mould 5, through setting up spacing installation device, holds up model piece 7 through single and can realize taking out model piece 7, can make the change of model piece 7 more convenient, convenient casting processing use of different products.

In the utility model, in the casting production process of a precision part, the telescopic cylinder 4 drives the upper die 5 to move downwards, so that the die block 7 connected with the bottom of the upper die 5 moves towards the forming cavity 8, casting raw materials are added along a gap between the die block 7 and the forming cavity 8, a product corresponding to the gap shape of the die block 7 and the forming cavity 8 can be obtained after the raw materials are formed, in the moving downwards process of the upper die 5, the push rod 11 is pushed to move downwards, so that the moving plate 10 can move downwards along the inner wall of the rectangular cavity 9, and simultaneously, the sealing downwards movement of the push rod 12 in the forming cavity 8 and the compression of a plurality of supporting springs 13 can be realized, and in the finished product forming, the upper die 5 is driven to move upwards by the telescopic cylinder 4, so that the separation of the die block 7 and the product is realized, and simultaneously, the upwards movement of the push rod 12 can be realized under the action of the supporting spring 13 under the compression state when the upper die 5 and the push rod 11 are gradually separated, so that the product can be ejected after the forming can be realized, and the product can be conveniently taken and used;

in the continuous upward movement process of the upper die 5, the rotating rod 14 and the limiting plate 15 are driven to move along with the continuous upward movement, and when a travel switch 16 at the upper end of the limiting plate 15 is propped against the horizontal plate 3, the closing of an extension circuit of the telescopic cylinder 4 can be automatically realized, the stable die opening of the die is ensured, and the product is convenient to take;

when the model block 7 needs to be replaced, after the product is not manufactured, the rotary rod 14 is rotated, the limiting plate 15 can rotate along with the rotary rod 14, so that the deviation of the travel switch 16 and the horizontal plate 3 can be realized, the telescopic cylinder 4 is utilized to drive the upper die 5 to move upwards, the upper die 5 can be moved to the highest position and prop against the bottom of the horizontal plate 3, the vertical rod 24 at the upper end of the upper die 5 props against the bottom of the horizontal plate 3, the movement of the upper die 5 is slowly controlled, the clamping block 19 is pushed to move along the trapezoid groove 22 by the push block 23 which is trapezoid, and accordingly the gradual separation of the clamping block 19 and the clamping groove 20 can be realized, the compression of the reset spring 21 is realized, the falling of the model block 7 can be realized automatically after the clamping block 19 and the clamping groove 20 are completely separated, the replacement can be realized only by a single person, the casting processing of different parts can be conveniently realized, the practicability of the device can be effectively increased, the clamping block 19 can be set into trapezoid blocks, the clamping block 17 can be pushed upwards along the installation groove 6, the clamping block 19 can be pushed to prop against the clamping block 19 and the clamping groove 20, and the corresponding die 19 can be installed in a certain depth into the installation groove 17, and the compression groove can be more conveniently realized, and the top of the model block can be installed by the die block 19 can be installed into the die block 17.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a precision parts processing casting mould, includes bed die (1), its characterized in that, the upper end of bed die (1) is fixed with a plurality of dead levers (2), and is a plurality of the upper end of dead lever (2) is fixed with horizontal plate (3) jointly, and is a plurality of the circumference lateral wall of dead lever (2) is sliding connection has last mould (5) jointly, the both ends of bed die (1) all are fixed with telescopic cylinder (4), two the pole head of telescopic cylinder (4) is all fixed with last mould (5) bottom, mounting groove (6) have been seted up to the bottom of last mould (5), the inside of mounting groove (6) is connected with installation piece (17) jointly through two sets of limit installation device, installation piece (17) bottom is fixed with model piece (7), shaping chamber (8) have been seted up to the upper end of bed die (1), the inside of bed die (1) is provided with automatic ejecting device.

2. The precision part machining casting die according to claim 1, wherein the automatic ejection device comprises a rectangular cavity (9) formed in the bottom of the lower die (1), a moving plate (10) is slidably connected to the inner wall of the rectangular cavity (9), and the bottom of the moving plate (10) is fixedly connected with the inner bottom of the rectangular cavity (9) through a plurality of supporting springs (13).

3. The precision part machining casting die according to claim 2, wherein a plurality of push rods (11) and ejector rods (12) are fixed at the upper end of the moving plate (10), the upper ends of the push rods (11) penetrate through the upper portion of the lower die (1), and the upper ends of the ejector rods (12) penetrate through the forming cavity (8).

4. The precision part machining casting die according to claim 1, wherein a rotating rod (14) is rotatably connected to the upper end of the upper die (5), a limiting plate (15) is fixed to the circumferential side wall of the rotating rod (14), a travel switch (16) is fixed to the end portion of the limiting plate (15), and the travel switch (16) corresponds to the horizontal plate (3).

5. The precision part machining casting die according to claim 4, wherein the limiting and mounting device comprises a horizontal groove (18) formed in the inner wall of the mounting groove (6), a clamping block (19) is slidably connected to the inner wall of the horizontal groove (18), one end of the clamping block (19) is fixedly connected with the inside of the horizontal groove (18) through a return spring (21), a clamping groove (20) is formed in the side wall of the mounting block (17), and the other end of the clamping block (19) corresponds to the clamping groove (20).

6. The precision part machining casting die according to claim 5, wherein a trapezoid groove (22) is formed in the upper end of the clamping block (19), a pushing block (23) is slidably connected to the inner wall of the trapezoid groove (22), the pushing block (23) is a trapezoid block, a vertical rod (24) is fixed to the upper end of the pushing block (23), and the upper end of the vertical rod (24) penetrates through the upper portion of the upper die (5).