CN112848148A

CN112848148A - Injection mold convenient to get material

Info

Publication number: CN112848148A
Application number: CN202011528715.6A
Authority: CN
Inventors: 廖婷婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-05-28

Abstract

The invention provides an injection mold that is convenient for taking materials, belonging to the technical field of injection molds. There are dynamic templates on the activity settings. The embodiment of the present invention has the advantages of convenient material retrieval and low cost, and provides convenience for subsequent maintenance; after injection molding, the moving platen is driven upward by the lifting component to move up from the inside of the mold cavity, and the moving platen moves upwards in the process The first drive rod can be driven to rotate, and the second drive rod can be driven to rotate by the meshing of the first bevel gear and the second bevel gear. Since the sliding sleeve is engaged with the first threaded segment, the sliding sleeve is further driven to move along the second driving rod. The elastic support is used to drive the push rod to move upward, thereby driving the push plate to move upward, and the push plate is used to push the product out of the cavity, so as to facilitate the removal of the product.

Description

Injection mold convenient to get material

Technical Field

The invention belongs to the technical field of injection molds, and particularly relates to an injection mold convenient for taking materials.

Background

The injection mold is a processing device used for batch production of parts with complex shapes, and is mainly applied to the industrial field.

The goods need be taken out from the die cavity inside after injection moulding, among the prior art, take out for injection mold is equipped with dedicated ejection mechanism to the most of taking out of goods, and the most structure of current ejection mechanism is comparatively complicated, involves a great deal of control mechanism for injection mold's overall cost is high, also comparatively inconvenient in the follow-up maintenance process to ejection mechanism.

Disclosure of Invention

Aiming at the defects of the prior art, the technical problem to be solved by the embodiment of the invention is to provide an injection mold convenient for taking materials.

In order to solve the technical problems, the invention provides the following technical scheme:

an injection mold convenient for material taking comprises a bottom case, wherein a plurality of guide posts are fixedly arranged at the edge of the upper part of the bottom case, a top plate is fixedly arranged at the tops of the guide posts, a movable template is movably arranged on the guide posts, a lifting assembly used for driving the movable template to move up and down is arranged at the bottom of the top plate, a mold core is arranged at the bottom of the movable template, a mold cavity matched with the mold core is arranged at the upper part of the bottom case, a plurality of limiting clamping grooves are formed in the bottom of the mold cavity, a push plate is embedded in the limiting clamping grooves, push rods are fixedly arranged at the bottom of the push plate, and the lower ends of the; a second driving rod is horizontally and rotatably arranged in the bottom box, a first thread section is arranged on the second driving rod, sliding sleeves are in threaded fit with the first thread section, an elastic supporting piece is hinged to the upper parts of the sliding sleeves, and one end, far away from the sliding sleeves, of the elastic supporting piece is hinged to the side wall of the push rod; the top plate bottom still rotates and is provided with first actuating lever, first actuating lever lower extreme runs through movable mould board and under casing upper wall in proper order and extends to the under casing inside, first bevel gear of first actuating lever bottom fixedly connected with, fixed mounting has the second bevel gear on the second actuating lever, first bevel gear and second bevel gear meshing, first actuating lever are provided with the second screw thread section on the body of rod that is located the under casing top, the second screw thread section with movable mould board screw-thread fit.

As a further improvement of the invention: the elastic support piece comprises a support cylinder hinged to the upper portion of the sliding sleeve and a support rod hinged to the side wall of the push rod, the support rod is far away from one end of the push rod and extends to the inside of the support cylinder to be matched with the support cylinder in a telescopic mode, and the inside of the support cylinder is further provided with an elastic piece used for supporting the support rod.

As a further improvement of the invention: the elastic piece is a spring.

As a further improvement of the invention: the sliding sleeve is characterized in that a first base is fixedly arranged on the upper portion of the sliding sleeve, a second base is fixedly arranged on the side wall of the push rod, one end, far away from the support rod, of the support cylinder is rotatably connected with the first base through a first pin rod, and one end, far away from the support cylinder, of the support rod is rotatably connected with the second base through a second pin rod.

As a still further improvement of the invention: two sets of opposite second bearing seats are fixedly mounted on the inner wall of the bottom box, and two ends of the second driving rod are respectively in running fit with the corresponding second bearing seats.

As a still further improvement of the invention: and a first bearing seat which is in running fit with the first driving rod is fixedly arranged at the bottom of the top plate.

As a still further improvement of the invention: the lifting component is a hydraulic cylinder.

Compared with the prior art, the invention has the beneficial effects that:

the embodiment of the invention has the advantages of convenient material taking and low cost, and provides convenience for subsequent maintenance; after injection moulding, drive the movable mould board rebound through lifting unit to shift out from the die cavity is inside, can drive first actuating lever at the in-process of movable mould board rebound and rotate, utilize the meshing of first bevel gear and second bevel gear and then drive the second actuating lever and rotate, because sliding sleeve and first screw thread section meshing, and then drive the sliding sleeve and remove along the second actuating lever, utilize elastic support spare to order about the push rod rebound, and then drive the push pedal rebound, utilize the push pedal to ejecting goods from the die cavity is inside, so that taking out of goods.

Drawings

FIG. 1 is a schematic structural view of an injection mold facilitating material taking;

FIG. 2 is a schematic view of a bottom case of an injection mold for facilitating material removal;

FIG. 3 is an enlarged view of area A of FIG. 1;

in the figure: 1-bottom box, 2-second driving rod, 3-second bevel gear, 4-first bevel gear, 5-sliding sleeve, 6-first thread section, 7-push rod, 8-push plate, 9-second bearing seat, 10-first driving rod, 11-bearing, 12-guide column, 13-movable mould plate, 14-second thread section, 15-first bearing seat, 16-top plate, 17-lifting component, 18-mould core, 19-mould cavity, 20-limit clamping groove, 21-support cylinder, 22-elastic component and 23-support rod.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, the embodiment provides an injection mold facilitating material taking, which includes a bottom case 1, wherein a plurality of guide posts 12 are fixedly arranged at the edge of the upper portion of the bottom case 1, a top plate 16 is fixedly arranged at the tops of the guide posts 12, a movable template 13 is movably arranged on the guide posts 12, a lifting assembly 17 for driving the movable template 13 to move up and down is arranged at the bottom of the top plate 16, a mold core 18 is arranged at the bottom of the movable template 13, a mold cavity 19 matched with the mold core 18 is arranged at the upper portion of the bottom case 1, a plurality of limiting clamping grooves 20 are formed in the bottom of the mold cavity 19, a push plate 8 is embedded in the limiting clamping grooves 20, a push rod 7 is fixedly arranged at the bottom of the push plate 8, and the lower end of the push rod 7; a second driving rod 2 is horizontally and rotatably arranged in the bottom box 1, a first thread section 6 is arranged on the second driving rod 2, sliding sleeves 5 are in threaded fit on the first thread sections 6, the upper parts of the sliding sleeves 5 are hinged with elastic supporting pieces, and one ends of the elastic supporting pieces, which are far away from the sliding sleeves 5, are hinged with the side walls of the push rods 7; the bottom of the top plate 16 is also rotatably provided with a first driving rod 10, the lower end of the first driving rod 10 sequentially penetrates through the movable mold plate 13 and the upper wall of the bottom box 1 and extends to the inside of the bottom box 1, the bottom of the first driving rod 10 is fixedly connected with a first bevel gear 4, a second bevel gear 3 is fixedly mounted on the second driving rod 2, the first bevel gear 4 is meshed with the second bevel gear 3, a second thread section 14 is arranged on the rod body of the first driving rod 10 above the bottom box 1, and the second thread section 14 is in thread fit with the movable mold plate 13.

After injection molding of a product, the lifting assembly 17 drives the movable template 13 to move upwards, so as to drive the mold core 18 at the bottom of the movable template 13 to move out of the mold cavity 19, the movable template 13 is in threaded fit with the second threaded section 14, so as to drive the first driving rod 10 to rotate, the first driving rod 10 rotates to drive the first bevel gear 4 to rotate, the second driving rod 2 is driven to rotate through the meshing of the first bevel gear 4 and the second bevel gear 3, the sliding sleeve 5 is meshed with the first threaded section 6, so as to drive the sliding sleeve 5 to move along the second driving rod 2, the elastic support part is used for driving the push rod 7 to move upwards, so as to drive the push plate 8 to move upwards, the product is ejected out of the mold cavity 19 through the push plate 8, and; when the mould needs to be closed, the lifting component 17 is utilized to drive the movable mould plate 13 to move downwards, so that the mould core 18 moves to the interior of the mould cavity 19, when the movable mould plate 13 moves downwards, the first driving rod 10 can be driven to rotate reversely, and then the second driving rod 2 is driven to rotate reversely, so that the sliding sleeve 5 moves reversely along the second driving rod 2, the push rod 7 and the push plate 8 can be driven to move downwards through the elastic supporting piece, so that the push plate 8 is embedded into the limiting clamping groove 20 again, and the smoothness of the bottom of the mould cavity 19 is ensured.

Specifically, elastic support spare is including articulating support section of thick bamboo 21 on sliding sleeve 5 upper portion and articulating the bracing piece 23 of push rod 7 lateral wall, the bracing piece 23 is kept away from the one end of push rod 7 extends to support section of thick bamboo 21 inside and with support section of thick bamboo 21 flexible cooperation, support section of thick bamboo 21 inside still be provided with and be used for supporting the elastic component 22 of bracing piece 23.

Through the arrangement of the elastic part 22, after the lifting component 17 drives the movable template 13 to move downwards so that the push plate 8 is embedded into the limiting clamping groove 20, the support rod 23 extends along the length direction of the support cylinder 21 and drives the elastic part 22 to stretch, and under the pulling action of the elastic part 22, the push plate 8 can be fixed inside the limiting clamping groove 20; when the mold needs to be opened, after the mold core 18 is moved out of the interior of the mold cavity 19 for a certain height, along with the reverse movement of the sliding sleeve 5 along the second driving rod 2, after the elastic part 22 gradually recovers to the original length, the sliding sleeve 5 continues to move at the moment, the supporting cylinder 21 and the supporting rod 23 drive the push rod 8 to move upwards, and the product is ejected out of the interior of the mold cavity 19, so that the situation that the product is jacked to the bottom of the mold core 18 by the push rod 8 and is moved out along with the mold core 18 when the mold core 18 is moved out of the mold cavity 19 is avoided, and.

In particular, the elastic member 22 is a spring.

Specifically, 5 upper portions of sliding sleeve are fixedly provided with first base, 7 lateral walls of push rod are fixedly provided with the second base, the one end that a bracing piece 23 was kept away from to a support section of thick bamboo 21 through first pin rod with first base rotates to be connected, the one end that a bracing piece 23 was kept away from to a support section of thick bamboo 21 through the second pin rod with the second base rotates to be connected.

Furthermore, two sets of second bearing seats 9 opposite to each other are fixedly installed on the inner wall of the bottom case 1, and two ends of the second driving rod 2 are respectively in running fit with the corresponding second bearing seats 9.

Specifically, a first bearing seat 15 rotatably engaged with the first driving rod 10 is fixedly mounted at the bottom of the top plate 16.

In this embodiment, the lifting assembly 17 is a hydraulic cylinder.

Example 2

Referring to fig. 1, in this embodiment, compared with embodiment 1, a joint between the first driving rod 10 and the upper wall of the bottom case 1 is rotatably engaged by a bearing 11, so as to improve the stability of the first driving rod 10 during rotation.

The embodiment of the invention has the advantages of convenient material taking and low cost, and provides convenience for subsequent maintenance; after injection molding, the movable mold plate 13 is driven to move upwards through the lifting assembly so as to move out of the interior of the mold cavity 19, the first driving rod 10 can be driven to rotate in the process of moving upwards of the movable mold plate 13, the second driving rod 2 is driven to rotate by utilizing the meshing of the first bevel gear 4 and the second bevel gear 3, the sliding sleeve 5 is driven to move along the second driving rod 2 due to the meshing of the sliding sleeve 5 and the first thread section 6, the elastic supporting piece is utilized to drive the push rod 7 to move upwards, the push plate 8 is driven to move upwards, and the product is ejected out of the interior of the mold cavity 19 by utilizing the push plate 8, so that the product can.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An injection mold that is convenient for taking material, characterized in that it comprises a bottom case (1), and the upper edge of the bottom case (1) is fixedly provided with a number of guide posts (12), and the top of a number of the guide posts (12) A top plate (16) is fixedly arranged, a moving template (13) is movably arranged on several guide columns (12), and a lifting assembly (17) for driving the moving template (13) to move up and down is arranged at the bottom of the top plate (16). , a mold core (18) is provided at the bottom of the movable template (13), a mold cavity (19) adapted to the mold core (18) is provided on the upper part of the bottom box (1), and the mold cavity ( 19) A number of limit slots (20) are provided at the inner bottom, a push plate (8) is embedded in the limit slot (20), and a push rod (7) is fixedly arranged at the bottom of the push plate (8). , the lower end of the push rod (7) extends to the inside of the bottom case (1); the bottom case (1) is provided with a second drive rod (2) that rotates horizontally, and the second drive rod (2) is on the A first threaded section (6) is provided, a sliding sleeve (5) is threadedly fitted on the first threaded section (6), an elastic support member is hinged on the upper part of the sliding sleeve (5), and the elastic support member is far away from the One end of the sliding sleeve (5) is hingedly connected with the side wall of the push rod (7); the bottom of the top plate (16) is also rotatably provided with a first driving rod (10), and the first driving rod (10) The lower end penetrates the movable template (13) and the upper wall of the bottom case (1) in turn and extends to the inside of the bottom case (1), the bottom of the first drive rod (10) is fixedly connected with a first bevel gear (4), the second A second bevel gear (3) is fixedly mounted on the rod (2), the first bevel gear (4) meshes with the second bevel gear (3), and the first drive rod (10) is located above the bottom case (1). A second thread segment (14) is provided on the rod body, and the second thread segment (14) is threadedly matched with the movable template (13).

2 . An injection mold for easy material retrieval according to claim 1 , wherein the elastic support member comprises a support cylinder ( 21 ) hinged on the upper part of the sliding sleeve ( 5 ) and a support cylinder ( 21 ) hinged on the push sleeve ( 5 ). 3 . A support rod (23) on the side wall of the rod (7), the end of the support rod (23) away from the push rod (7) extends to the inside of the support cylinder (21) and is telescopically matched with the support cylinder (21), An elastic member (22) for supporting the support rod (23) is also provided inside the support cylinder (21).

3 . The injection mold for easy material retrieval according to claim 2 , wherein the elastic member ( 22 ) is a spring. 4 .

4. A kind of injection mould which is convenient for taking material according to claim 2 or 3, characterized in that, the upper part of the sliding sleeve (5) is fixedly provided with a first base, and the side wall of the push rod (7) is fixed A second base is provided, one end of the support cylinder (21) away from the support rod (23) is rotatably connected to the first base through a first pin rod, and the support rod (23) is away from the support cylinder (21) One end of the second base is rotatably connected with the second base through a second pin.

5 . The injection mold according to claim 1 , wherein two sets of opposite second bearing seats ( 9 ) are fixedly installed on the inner wall of the bottom box ( 1 ), and the second drive Both ends of the rod (2) are rotatably matched with the corresponding second bearing seats (9).

6. An injection mold for easy material reclaiming according to claim 1 or 5, characterized in that, the bottom of the top plate (16) is fixedly mounted with a first bearing that is rotatably matched with the first drive rod (10). Seat (15).

7. An injection mold for easy material reclaiming according to claim 1, characterized in that, the lifting component (17) is a hydraulic cylinder.