CN212072739U

CN212072739U - Injection mold with anti-blocking mechanism

Info

Publication number: CN212072739U
Application number: CN201922363569.5U
Authority: CN
Inventors: 何菊明; 安松林
Original assignee: Xi'an Zhongzhijie Molding Co ltd
Current assignee: Xi'an Zhongzhijie Molding Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-12-04
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a take injection mold of anti-sticking dead mechanism, including base and riser, the equal rigid coupling in both sides has the riser about the top of base, the internally mounted of riser has the subassembly of moulding plastics, the subassembly of moulding plastics includes movable mould, first gas port, first guide arm, cover half, mould plastics pipe and pneumatic cylinder, the pneumatic cylinder rigid coupling is inside the left side of left side riser, the left side of movable mould links to each other with the right-hand member stationary phase of pneumatic rod, the internally mounted of cover half has the pipe of moulding plastics. This take injection mold of anti-sticking dead mechanism, structure scientific and reasonable, convenience safe in utilization is provided with the speed reduction subassembly, including the screw, first horizontal pole, the second horizontal pole, first slider, sleeve, second slider, spring, second guide arm, spout, base, the cooperation between movable mould and the cover half, make the second slider can extrude the spring in the first slider in extreme position and outside to this slows down, causes when avoiding removing extreme position to the movable mould and causes impact injury to pneumatic cylinder and cover half.

Description

Injection mold with anti-blocking mechanism

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold of taking anti-sticking deadlock structure.

Background

The present invention relates to a mould, various moulds and tools for obtaining required products by using injection moulding, blow moulding, extrusion, die-casting or forging forming, smelting and stamping methods in industrial production.

For example, an injection mold anti-seize mechanism with patent number 201920030595.3 comprises a main body, wherein the main body comprises a fixed mold and a movable mold, and the fixed mold is provided with a first bearing with a seat and a second bearing with a seat; the first traction rod is connected to the first belt seat bearing in a transmission mode, the problem of blocking caused in the repeated operation process can be solved, the situation that impact damage is caused to a pneumatic cylinder and a fixed die when a movable die moves to the limit position still exists, and meanwhile the situation that the blocking is caused due to dislocation when the movable die and the fixed die are assembled still exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take injection mold of anti-sticking dead mechanism to what put forward causes the problem that causes impact injury to pneumatic cylinder and cover half when moving to extreme position to the movable mould among the above-mentioned background art of solution.

In order to achieve the above object, the utility model provides a following technical scheme: an injection mold with an anti-jamming mechanism comprises a base and vertical plates, wherein the vertical plates are fixedly connected to the left side and the right side above the base, and injection molding assemblies are installed inside the vertical plates;

the injection molding assembly comprises a movable mold, a first air port, a second air port, an air pressure rod, a first guide rod, a fixed mold, an injection molding pipe and an air pressure cylinder;

the pneumatic cylinder rigid coupling is inside in the left side of left side riser, first gas port and second gas port are installed respectively to the front end left and right sides of pneumatic cylinder, the pneumatic cylinder all is linked together with external oil pump through first gas port and second gas port, the inside of pneumatic cylinder is equipped with the baroceptor, the baroceptor laminates with the pneumatic cylinder each other, and is a plurality of both sides about the inboard front and back both ends of riser are fixed respectively to first guide arm, the outer wall center and the right side of first guide arm are equipped with movable mould and cover half respectively, the cover half links to each other with first guide arm is fixed, the equal clearance fit of movable mould and first guide arm, the left side of movable mould links to each other with the right-hand member stationary phase of baroceptor, the internally. The injection molding assembly can realize the injection molding process.

Preferably, the axial positions of the pneumatic rod and the injection molding pipe are consistent. The pneumatic rod and the injection molding pipe are ensured to stably drive and feed the movable die and the fixed die.

Preferably, the outer wall edges of the movable mold and the fixed mold are consistent in size. The phenomenon that protruding edges exist on the surfaces of the movable die and the fixed die is avoided.

Preferably, the front side and the rear side of the movable die and the fixed die are provided with a speed reducing assembly;

the speed reduction assembly comprises a screw, a first cross rod, a second cross rod, a first sliding block, a sleeve, a second sliding block, a spring, a second guide rod and a sliding groove;

the four first cross rods are respectively positioned at the upper side and the lower side of the front end and the rear end of the movable die, the inner side of the left end of the first transverse plate is provided with a screw, the screw is in threaded connection with the corresponding convex blocks of the first transverse plate and the movable die, the right side of the first transverse rod is fixedly connected with a second transverse rod, the four sleeves are respectively and fixedly connected with the upper side and the lower side of the front end and the rear end of the left side of the vertical plate, the sleeve is in clearance fit with the second cross bar, the left side and the right side of the interior of the sleeve are provided with first sliding blocks, the outer side of the first sliding block is provided with a spring, the inner sides of the springs are fixedly connected with the first sliding block, the outer side of the spring is respectively fixedly connected with the vertical plate and the sleeve, the upper side and the lower side of the inner center of the sleeve are respectively provided with a sliding chute, a plurality of second guide rods are respectively fixedly connected with the upper side and the lower side of the inner center of the sleeve, and a second sliding block is arranged on the outer wall of the second guide rod, and the second sliding block and the second guide rod are in clearance fit. The speed reduction assembly can be used for realizing the speed reduction when the movable die and the fixed die move to the extreme positions.

Preferably, the vertical center of the second guide bar is on the same vertical line as the vertical center of the sleeve. The relative positions of the sleeve and the second guide bar are limited.

Preferably, the upper and lower first cross rods and the sleeves are axially and symmetrically distributed by taking the horizontal centers of the movable die and the fixed die as references. And limiting the relative positions of the first cross rod and the sleeve and the movable mold and the fixed mold.

Preferably, the front end and the rear end of the upper side and the lower side of the movable die and the fixed die are provided with limit components;

the limiting assembly comprises a baffle plate, a groove block, a clamping block and an oblique angle;

it is a plurality of both sides around the baffle difference rigid coupling both ends about the inboard of movable mould and touch with the fixed mould, left side the equal rigid coupling of right-hand member of baffle has the fixture block, the right side the equal rigid coupling of left end of baffle has the groove block, the groove block is laminated with the fixture block mutually, the processing of the left side inner wall of groove block has the oblique angle. The movable die and the fixed die can move correspondingly through the limiting assembly in the process of final approaching.

Preferably, the oblique angle is consistent with the oblique angle of the tail end of the fixture block. So that the oblique angle can drive the clamping block to move outwards.

Compared with the prior art, the beneficial effects of the utility model are that: this take injection mold of anti-sticking dead mechanism, structure scientific and reasonable, convenience safe in utilization:

be provided with the speed reduction subassembly, including the screw, first horizontal pole, the second horizontal pole, first slider, the sleeve, the second slider, a spring, the second guide arm, the spout, a pedestal, cooperation between movable mould and the cover half, make movable mould move in-process can first horizontal pole and second horizontal pole drive the second slider and remove, make the second slider can extrude the spring in first slider and the outside at extreme position, slow down with this, cause pneumatic cylinder and cover half to cause impact injury when avoiding moving to extreme position to the movable mould.

The movable mould clamping device is provided with a limiting assembly which comprises a movable mould, a fixed mould, a baffle, a groove block, a clamping block and an oblique angle, wherein the movable mould drives the clamping block to move rightwards through the left baffle, when the movable mould and the fixed mould are in close fit, the oblique angle of the inner wall of the left side of the groove block can start the clamping block to enter the groove block, and due to the fact that the groove block and the clamping block are in clearance fit with each other in a small gap, corresponding mould closing of the movable mould and the fixed mould is achieved, and the phenomenon that clamping is caused by dislocation when the movable mould and.

Drawings

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

FIG. 2 is a schematic view of the riser, stationary mold and sleeve of FIG. 1;

FIG. 3 is a schematic view of the movable mold, the fixed mold and the sleeve of FIG. 1;

fig. 4 is a schematic structural view of the base, the clamping block and the groove block in fig. 1.

In the figure: 1. the base, 2, the subassembly of moulding plastics, 201, the movable mould, 202, first gas port, 203, the second gas port, 204, the gas pressure pole, 205, first guide arm, 206, the cover half, 207, the pipe of moulding plastics, 208, the pneumatic cylinder, 3, the speed reduction subassembly, 301, the screw, 302, first horizontal pole, 303, the second horizontal pole, 304, first slider, 305, the sleeve, 306, the second slider, 307, the spring, 308, the second guide arm, 309, the spout, 4, spacing subassembly, 401, the baffle, 402, the groove block, 403, the fixture block, 404, the oblique angle, 5, the riser.

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

Referring to fig. 1-4, the present invention provides a technical solution: an injection mold with an anti-blocking mechanism comprises a base 1 and a vertical plate 5, wherein the vertical plate 5 is fixedly connected to the left side and the right side above the base 1, the base 1 can support the vertical plate 5, an injection molding assembly 2 is installed inside the vertical plate 5, the injection molding assembly 2 comprises a movable mold 201, a first air port 202, a second air port 203, an air pressure rod 204, a first guide rod 205, a fixed mold 206, an injection molding pipe 207 and an air pressure cylinder 208, the air pressure cylinder 208 is fixedly connected inside the left side of the vertical plate 5 on the left side, the type of the air pressure cylinder 208 is an SDA20 type, the first air port 202 and the second air port 203 are respectively installed on the left side and the right side of the front end of the air pressure cylinder 208, the air pressure cylinder 208 is communicated with an external oil pump through the first air port 202 and the second air port 203, the outward movement and the extension of the air pressure rod 204 are realized by controlling the, the pneumatic rod 204 and the pneumatic cylinder 208 are mutually attached, the pneumatic rod 204 can move in the pneumatic cylinder 208 and ensure relative sealing in the moving process, the plurality of first guide rods 205 are respectively fixedly connected to the upper and lower sides of the front and rear ends of the inner side of the vertical plate 5, the vertical plate 5 can support the first guide rods 205, the center and the right side of the outer wall of the first guide rods 205 are respectively provided with a movable mold 201 and a fixed mold 206, the fixed mold 206 is fixedly connected with the first guide rods 205, the first guide rods 205 are supported with the fixed mold 206, the movable mold 201 and the first guide rods 205 are in clearance fit, the movable mold 201 can move on the outer wall of the first guide rods 205, the left side of the movable mold 201 is fixedly connected with the right end of the pneumatic rod 204, the pneumatic rod 204 can drive the movable mold 201 to move, the injection tube 207 is installed in the fixed mold 206, the injection tube 207 can convey materials into the fixed mold 206, the axial positions, the outer wall edge sizes of the movable mold 201 and the fixed mold 206 are consistent, and protruding edges at the connection position of the movable mold 201 and the fixed mold 206 are avoided.

The front side and the rear side of the movable die 201 and the fixed die 206 are provided with the speed reducing components 3, the speed reducing components 3 comprise screws 301, first cross rods 302, second cross rods 303, first sliding blocks 304, sleeves 305, second sliding blocks 306, springs 307, second guide rods 308 and sliding grooves 309, the four first cross rods 302 are respectively positioned on the upper side and the lower side of the front end and the rear end of the movable die 201 to limit the relative positions of the first cross rods 302 and the movable die 201, the screws 301 are arranged on the inner sides of the left ends of the first cross rods 302, the screws 301 are in threaded connection with corresponding convex blocks of the first cross rods 302 and the movable die 201, the first cross rods 302 and the movable die 201 can be fixedly connected by tightening the screws 301, the second cross rods 303 are fixedly connected on the right sides of the first cross rods 302, the first cross rods 302 can drive the second cross rods 303 to move, the four sleeves 305 are respectively fixedly connected on the upper side and the lower side of the front end and the rear end of, the second cross bar 303 can move in the sleeve 305, the left side and the right side in the sleeve 305 are both provided with a first sliding block 304, the outer side of the first sliding block 304 is provided with a spring 307, the elastic coefficient K of the spring 307 is 400N/m, the inner side of the spring 307 is fixedly connected with the first sliding block 304, the first sliding block 304 moves outwards to extrude the spring 307, the outer side of the spring 307 is fixedly connected with the vertical plate 5 and the sleeve 305 respectively, the upper side and the lower side of the inner center of the sleeve 305 are both provided with sliding grooves 309 for limiting the relative positions of the sliding grooves 309 and the sleeve 305, a plurality of second guide rods 308 are fixedly connected with the upper side and the lower side of the inner center of the sleeve 305 respectively, the sleeve 305 can support the second guide rods 308, the outer wall of the second guide rods 308 is provided with a second sliding block 306, the second sliding block 306 and the second guide rods 308 are in clearance fit, the outer walls of the second sliding block 306 and the second guide rods 308 move, the vertical center of the second, the upper and lower first crossbars 302 and the sleeves 305 are axisymmetrically distributed with respect to the horizontal centers of the movable mold 201 and the fixed mold 206, and the relative positions of the first crossbars 302 and the sleeves 305 and the movable mold 201 and the fixed mold 206 are restricted.

The front end and the rear end of the upper side and the lower side of the movable mold 201 and the fixed mold 206 are provided with a limiting assembly 4, the limiting assembly 4 comprises a baffle plate 401, a groove block 402, a fixture block 403 and an oblique angle 404, a plurality of baffle plates 401 are respectively fixedly connected with the front side and the rear side of the upper end and the lower end of the inner side of the movable mold 201 and the fixed mold 206, the movable mold 201 and the fixed mold 206 can support the baffle plate 401, the right end of the left baffle plate 401 is fixedly connected with the fixture block 403, the left baffle plate 401 can drive the fixture block 403 to move, the left end of the right baffle plate 401 is fixedly connected with the groove block 402, the right baffle plate 401 can support the groove block 402, the groove block 402 is, the groove block 402 can be tightly attached to the clamping block 403 at the corresponding position through the bevel 404, the gap between the groove block 402 and the clamping block 403 is the smallest, the bevel 404 is consistent with the inclination angle of the tail end of the clamping block 403, and the bevel 404 can drive the clamping block 403 to move.

When the injection mold with the anti-blocking mechanism is required to be used, firstly, a user can start an external feeding device to perform injection molding on a cavity at the joint central position of the fixed mold 206 and the movable mold 201 through the injection pipe 207, after the injection molding amount is finished, the external oil pump can be used for injecting oil into the second air port 203, the first air port 202 discharges oil, the air pressure rod 204 can drive the movable mold 201 to move leftwards, the movable mold 201 can drive a workpiece in the cavity out, the user can manually take the workpiece off, then the external oil pump can be used for injecting oil into the first air port 202, the second air port 203 discharges oil, the movable mold 201 moves rightwards to return to the original position, the injection molding operation is realized by repeating the operations, in the moving process of the movable mold 201, the movable mold 201 can drive the second slide block 306 to move through the first cross rod 302 and the second cross rod 303, in the moving process of the second slide block 306, when the second slide block 306 moves to the limit positions, the second slider 306 can be attached to the first slider 304, and the spring 307 is pressed, the movement of the second slider 306 is decelerated due to the pressing of the spring 307, while the second slider 306 can be decelerated before the movable mold 201 is brought to the left and right extreme positions, the movable mold 201 can still be driven to move to the limit position through the telescopic limit position of the pneumatic rod 204, but the speed is slower, so that the pneumatic cylinder 208 and the fixed die 206 are prevented from being impacted and damaged when the movable die 201 moves to the limit position, and because the clearance of clearance fit between the movable mold 201 and the first guide rod 205 is relatively large, the movable mold 201 and the fixed mold 206 are easily dislocated, when the movable mold 201 and the fixed mold 206 are about to be clamped, the bevel angle 404 can drive the fixture block 403 to move, so that the fixture block 403 and the groove block 402 are matched with each other in a small gap, and clamping of the movable mold 201 and the fixed mold 206 is correspondingly realized, and the phenomenon of clamping caused by dislocation is avoided.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 take injection mold of anti-sticking dead mechanism, includes base (1) and riser (5), the equal rigid coupling in both sides has riser (5), its characterized in that about the top of base (1): an injection molding assembly (2) is arranged in the vertical plate (5);

the injection molding assembly (2) comprises a movable mold (201), a first air port (202), a second air port (203), an air pressure rod (204), a first guide rod (205), a fixed mold (206), an injection molding pipe (207) and an air pressure cylinder (208);

the utility model discloses a pneumatic cylinder, including pneumatic cylinder (208), pneumatic cylinder (208) rigid coupling, first gas port (202) and second gas port (203) are installed respectively to the front end left and right sides of pneumatic cylinder (208), pneumatic cylinder (208) all are linked together with external oil pump through first gas port (202) and second gas port (203), the inside of pneumatic cylinder (208) is equipped with pneumatic rod (204), pneumatic rod (204) and pneumatic cylinder (208) laminate each other, and is a plurality of both ends about first guide arm (205) rigid coupling is around the inboard of riser (5) respectively, the outer wall center and the right side of first guide arm (205) are equipped with movable mould (201) and cover half (206) respectively, cover half (206) are fixed continuous with first guide arm (205), movable mould (201) and the equal clearance fit of first guide arm (205), the left side of movable mould (201) is fixed continuous with the right-hand member of pneumatic rod (204), and an injection molding pipe (207) is arranged in the fixed die (206).

2. The injection mold with the anti-jamming mechanism according to claim 1, characterized in that: the axial positions of the pneumatic rod (204) and the injection molding pipe (207) are consistent.

3. The injection mold with the anti-jamming mechanism according to claim 1, characterized in that: the outer wall edge sizes of the movable mold (201) and the fixed mold (206) are consistent.

4. The injection mold with the anti-jamming mechanism according to claim 1, characterized in that: the front side and the rear side of the movable mold (201) and the fixed mold (206) are provided with a speed reducing assembly (3);

the speed reducing assembly (3) comprises a screw (301), a first cross rod (302), a second cross rod (303), a first sliding block (304), a sleeve (305), a second sliding block (306), a spring (307), a second guide rod (308) and a sliding groove (309);

four first horizontal pole (302) are located both ends upper and lower both sides around movable mould (201) respectively, the left end inboard of first horizontal pole (302) is equipped with screw (301), screw (301) and the equal screw thread in both ends of correspondence of first horizontal pole (302) and movable mould (201) link to each other, the right side rigid coupling of first horizontal pole (302) has second horizontal pole (303), four sleeve (305) rigid coupling both ends upper and lower both sides around the left side of riser (5) respectively, sleeve (305) and second horizontal pole (303) are equal clearance fit, the inside left and right sides of sleeve (305) all is equipped with first slider (304), the outside of first slider (304) is equipped with spring (307), the inboard of spring (307) all links to each other with first slider (304) is fixed, the outside of spring (307) respectively with riser (5) and sleeve (305) fixed linking to each other, the upper side and the lower side of the inner center of the sleeve (305) are both provided with sliding grooves (309), the plurality of second guide rods (308) are fixedly connected to the upper side and the lower side of the inner center of the sleeve (305) respectively, the outer walls of the second guide rods (308) are provided with second sliding blocks (306), and the second sliding blocks (306) are in clearance fit with the second guide rods (308).

5. The injection mold with the anti-jamming mechanism according to claim 4, characterized in that: the vertical center of the second guide rod (308) is on the same vertical line as the vertical center of the sleeve (305).

6. The injection mold with the anti-jamming mechanism according to claim 4, characterized in that: the upper and lower first cross rods (302) and the sleeves (305) are distributed in an axisymmetric manner by taking the horizontal centers of the movable mold (201) and the fixed mold (206) as references.

7. The injection mold with the anti-jamming mechanism according to claim 1, characterized in that: the front end and the rear end of the upper side and the lower side of the movable die (201) and the fixed die (206) are provided with limiting components (4);

the limiting assembly (4) comprises a baffle (401), a groove block (402), a clamping block (403) and an oblique angle (404);

a plurality of baffle (401) rigid coupling both ends front and back about the inboard of movable mould (201) and cover half (206) respectively, the left side the equal rigid coupling of right-hand member of baffle (401) has fixture block (403), the right side the equal rigid coupling of left end of baffle (401) has groove block (402), groove block (402) and fixture block (403) laminate mutually, the processing of the left side inner wall of groove block (402) has oblique angle (404).

8. The injection mold with the anti-jamming mechanism according to claim 7, characterized in that: the bevel angle (404) is consistent with the inclination angle of the tail end of the fixture block (403).