CN111225781B

CN111225781B - Material pushing clamping jaw for die equipment and forming die comprising same

Info

Publication number: CN111225781B
Application number: CN201980003153.2A
Authority: CN
Inventors: 龚激; 曹海斌
Original assignee: Suzhou Thinkrisen & Beal Solutions Precision Machinery Co ltd
Current assignee: Suzhou Thinkrisen & Beal Solutions Precision Machinery Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2022-03-08
Anticipated expiration: 2039-12-16
Also published as: WO2021119956A1; CN111225781A

Abstract

The invention provides a material pushing clamping jaw for die equipment, which comprises a clamping component, wherein the clamping component comprises a driving rod and a clamping jaw module; the clamping jaw module is arranged on a male die of the die equipment, and the driving rod pushes the clamping jaw module under the action of a push plate of the die equipment to push the clamping jaw module out of the male die so as to jack up a formed workpiece; the clamping jaw module comprises at least two clamping blocks, clamping heads are arranged on the clamping blocks, and the clamping heads are arranged in a surrounding manner through the clamping blocks, so that a clamping mechanism for fixing the inserted rod on the workpiece is formed on the clamping heads; the clamping block is provided with a sliding chute, the sliding chute is connected with the guide unit on the male die in a sliding manner, and the extending direction of the sliding chute is inclined relative to the inserted link; when the driving rod pushes the clamping block, the clamping block is far away from the inserted bar under the guiding action of the sliding groove and the guide unit, the clamping head part is disconnected from the inserted bar, and the pushing clamping jaw is stable in structure and convenient to use.

Description

Material pushing clamping jaw for die equipment and forming die comprising same

Technical Field

The invention belongs to the field of base injection molds, particularly relates to a material pushing clamping jaw for mold equipment, and further particularly designs a forming mold containing the material pushing clamping jaw.

Background

The base structure of the existing bearing device for sports equipment is shown in figure 10, an insertion rod is installed on a bottom plate, and the bearing device is inserted into the ground through the insertion rod, so that the bearing device is fixed on the ground, and is positioned at a position and convenient to place; when the base is produced, in order to ensure the strength of the inserted rod, the inserted rod is made of steel, and the bottom plate part is made of plastic;

in the existing production process, the bottom plate part is often formed by injection molding firstly, then the inserted bar is inserted into the fixed position of the bottom plate through the pressure equipment, the method needs the pressure equipment with high power, meanwhile, because the sectional area of the inserted bar is small, when the inserted bar is under large pressure, the inserted bar is easy to bend, the yield of products is influenced, the production efficiency of the equipment is reduced, and meanwhile, the occupied area of the injection molding equipment and the pressure equipment is large.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a pushing clamping jaw for die equipment.

The invention provides a material pushing clamping jaw for die equipment, which comprises a clamping component, wherein the clamping component comprises a driving rod and a clamping jaw module;

the clamping jaw module is arranged on a male die of the die equipment, and the driving rod pushes the clamping jaw module under the action of a push plate of the die equipment to push the clamping jaw module out of the male die so as to jack up a formed workpiece;

the clamping jaw module comprises at least two clamping blocks, clamping heads are arranged on the clamping blocks, and the clamping heads are arranged in a surrounding manner through the clamping blocks to form a clamping mechanism for fixing the inserted rod on the workpiece;

the clamping block is provided with a sliding groove, the sliding groove is connected with the guide unit on the male die in a sliding manner, and the extending direction of the sliding groove is inclined relative to the inserted rod; when the driving rod pushes the clamping block, the clamping block is far away from the inserted link under the guiding action of the sliding groove and the guide unit, and the clamping head part is disconnected with the inserted link;

the clamping block is provided with a guide sliding block on one side close to the driving rod, the driving rod is provided with a guide groove, the guide sliding block is arranged in the guide groove, the driving rod pushes the clamping block, and the clamping block slides upwards along the guide groove.

Preferably, the guide groove is formed along the radial direction of the driving rod, so that the clamping block moves along the direction of the guide groove, and the clamping and the releasing of the clamping jaw module are realized.

Preferably, the installation position of the guide slider corresponds to the position of the slide groove.

Preferably, the driving rod is provided with a fixing lug, and the driving rod is fixed on a push plate of the die equipment through the fixing lug.

Preferably, the clamping blocks are opposite to each other, and when the driving rod pushes the clamping blocks, the distance between the side surfaces of the adjacent clamping blocks is increased;

on the contrary, the driving rod pulls the clamping blocks, the distance between the side faces of the adjacent clamping blocks is reduced progressively, and when the upper surfaces of the clamping blocks are level with the forming surface of the male die, the side faces of the adjacent clamping blocks are contacted.

Preferably, the forming die comprising the pushing clamping jaw comprises a fixed die and a movable die; the fixed die and the movable die are matched to form a workpiece;

the fixed die comprises a female die for molding, the movable die comprises a male die for molding, the male die comprises a molding part, a cavity of the fixed die is matched with the molding part, so that a workpiece is molded, and when the fixed die and the movable die are opened, the workpiece is wrapped on the molding part;

the male die is provided with a through hole for placing the clamping jaw module, the inner wall of the through hole is provided with a sliding rail for guiding the sliding groove, and the sliding rail is connected with the sliding groove in a sliding manner;

the punch is provided with a push rod, the push rod and the driving rod are pushed by a push plate, so that the push rod and the clamping jaw module on the punch protrude out of the upper surface of the punch, and a workpiece is separated from the punch.

Preferably, the cross-sectional shape of the slide rail is matched with that of the slide groove, the inner wall of the through hole is in matched contact with the clamping block, so that the upper surface of the clamping block is flush with the molding surface of the male die, and the clamping jaw module is connected with the male die to form a sealed molding surface.

Preferably, the edge of the surface of the male die is provided with a raised positioning part, the position corresponding to the female die is provided with a concave part, and the positioning is realized by connecting the positioning part with the concave part.

Preferably, a cooling water channel is formed in the male die, a connecting hole communicated with the cooling water channel is formed in the side wall of the male die, and a water channel connector is mounted on the connecting hole in the side wall of the male die.

Preferably, the female die is provided with a runner hole, and the runner hole is communicated with the cavity of the female die; the runner hole is used for connecting the sprue gate, so that the sprue gate is connected into the cavity.

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

according to the pushing clamping jaw for the die equipment, the clamping component is arranged on the male die, so that the clamping component clamps the inserted rod in the forming process, one-step forming is achieved, the step of inserting the inserted rod is omitted, the processing steps are reduced, the efficiency is improved, the space occupancy rate is reduced, meanwhile, when the clamping component loosens the inserted rod, the clamping component moves towards the direction of a formed workpiece, the workpiece wrapped on the male die is pushed, and the pushing effect is achieved.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic illustration of an exploded structure in one embodiment of the present invention;

FIG. 3 is a first perspective view of a clamping assembly according to an embodiment of the present invention;

FIG. 4 is an enlarged partial schematic view of FIG. 3;

FIG. 5 is a perspective view of a second clamping assembly in accordance with an embodiment of the present invention;

FIG. 6 is an enlarged partial schematic view of FIG. 5;

FIG. 7 is an exploded view of the movable mold according to an embodiment of the present invention;

FIG. 8 is an enlarged partial schematic view of FIG. 7;

FIG. 9 is a cross-sectional view of a punch according to an embodiment of the present invention;

fig. 10 is a schematic perspective view of a workpiece according to an embodiment of the invention.

Shown in the figure:

2. fixing a mold; 21. a female die; 211. a flow passage hole; 3. moving the mold; 31. a male die; 311. a molding section; 312. a positioning part; 313. a waterway interface; 314. a slide rail; 315. a cooling water channel; 316. a sealing plug; 317. a push rod; 32. a clamping assembly; 321. a drive rod; 3211. fixing the bump; 322. a clamping jaw module; 3221. a clamping block; 32211. a chute; 32212. a chuck part; 32213. a guide slider; 6. a workpiece; 61. and (4) inserting the rod.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, which will enable those skilled in the art to practice the present invention with reference to the accompanying specification. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

As shown in fig. 1 and 2, the forming die with the material pushing clamping jaw comprises a fixed die 2 and a movable die 3; a workpiece 6 is formed by die assembly of the fixed die 2 and the movable die 3;

the fixed die 2 comprises a female die 21 for molding, the movable die 3 comprises a male die 31 for molding, the male die 31 comprises a molding part 311, the molding part 311 is matched with a cavity of the fixed die 2, so that the workpiece 6 is molded, and when the fixed die 2 and the movable die 3 are opened, the workpiece 6 is coated on the molding part 312;

as shown in fig. 3-7, the male mold 31 is provided with a pushing jaw, the pushing jaw comprises a clamping assembly 32, and the clamping assembly 32 comprises a driving rod 321 and a jaw module 322;

the clamping jaw module 322 is installed on the male die 31, and the driving rod 321 pushes the clamping jaw module 322 under the action of the push plate of the die equipment to push the clamping jaw module 322 out of the upper surface of the male die 31, so that the formed workpiece 6 is jacked up;

the clamping jaw module 322 comprises at least two clamping blocks 3221, clamping head portions 32212 are arranged on the clamping blocks 3221, and the clamping head portions 32212 form a clamping mechanism for fixing the insert rod 61 on the workpiece 6 through the surrounding arrangement of the clamping blocks 3221; the insert rod 61 is clamped tightly by the clamping head portion 32212, so that the insert rod 61 is fixed on the male die 31, when the fixed die 2 and the movable die 3 are in die assembly forming, the part of the insert rod 61 extending into a forming cavity is bonded with plastic to be wrapped in a base of the formed workpiece 6, the workpiece 6 is integrally formed, the step that the insert rod 61 is pressed into the base of the workpiece 6 by pressure equipment is omitted, the production efficiency is improved, the product reject ratio is reduced, and meanwhile, the occupied area is reduced due to the fact that the pressure equipment is omitted.

The clamping block 3221 is provided with a sliding groove 32211, the sliding groove 32211 is slidably connected with the guide unit on the male die 31, and the extending direction of the sliding groove 32211 is inclined relative to the insertion rod 61; when the driving rod 321 pushes the clamping block 3221, the clamping block 3221 is far away from the plunger 61 under the guiding action of the sliding groove 32211 and the guiding unit, and the clamping head portion 32212 is disconnected from the plunger 61; at this time, the clamping block 3221 moves in the punch 31 under the pushing force of the driving rod 321, and the upper surface of the clamping block 3221 protrudes out of the upper surface of the punch 31, so that the workpiece 6 is jacked up by the clamping block 3221, the workpiece 6 is separated from the punch 31, and the pushing work is achieved.

As shown in fig. 7 and 8, in a preferred embodiment, a through hole for placing the clamping jaw module 322 is formed on the male die 31, a sliding rail 314 for guiding the moving direction of the sliding groove 32211 is arranged on the inner wall of the through hole, and the sliding rail 314 is slidably connected with the sliding groove 32211;

a guide slider 32213 is installed on one side of the clamping block 3221 close to the driving rod 321, a guide groove is formed in the driving rod 321, the guide slider 32213 is installed in the guide groove, the driving rod 321 pushes the clamping block 3221, and the clamping block 3221 slides in the upward direction of the guide groove.

The guide groove is opened along the radial direction of the driving rod 321, so that the clamping block 3221 moves along the direction of the guide groove, and clamping and releasing of the clamping jaw module 322 are realized.

The installation position of the guide slider 32213 corresponds to the position of the slide groove 32211.

The driving rod 321 is provided with a fixing projection 3211, and the driving rod 321 is fixed to a push plate of the mold apparatus through the fixing projection 3211.

The clamping blocks 3221 are opposite to each other, and when the driving rod 321 pushes the clamping blocks 3221, the distance between the side surfaces of the adjacent clamping blocks 3221 is increased progressively, so that the clamping head portions 32212 are formed to be enlarged annularly, and the insertion rod 61 is convenient to move, so that the external blanking equipment can take out the workpiece 6 conveniently;

on the contrary, the driving rod 321 pulls the clamping blocks 3221, the distance between the side surfaces of the adjacent clamping blocks 3221 is gradually decreased, and when the upper surface of the clamping block 3221 is kept flat with the molding surface of the punch, the side surfaces of the adjacent clamping blocks 3221 are contacted, so that in the process of opening the fixed die 2 and the movable die 3, the clamping block 3221 clamps the inserting rod 61, so that the workpiece 6 is left on the punch 31, and the material pulling is realized.

In a preferred embodiment, the portion of the plunger 61 that extends into the molding cavity is threaded, so that the plunger 61 is more securely attached to the base of the workpiece 6 after casting.

The punch 31 is provided with a push rod 317, and the push rod 317 and the driving rod 321 are pushed by the push plate, so that the push rod 317 and the clamping jaw module 322 on the punch 31 protrude out of the upper surface of the punch 31, and the workpiece 7 is removed from the punch 31; the push rods 317 and the driving rods 321 push materials simultaneously, so that the material pushing process is more stable, the stress on each push rod 317 and each driving rod 321 is reduced, the workpiece 6 is prevented from deforming due to overlarge stress, and meanwhile, the parts are pushed to prolong the service life.

The sectional shape of the sliding rail 314 and the sectional shape of the sliding groove 32211, and the inner wall of the through hole is in fit contact with the clamping block 3221, so that the upper surface of the clamping block 3221 is flush with the molding surface of the male die 31, the clamping jaw module 322 is connected with the male die 31 to form a sealed molding surface, plastic is prevented from flowing into a gap between the clamping jaw module 322 and the male die 31, burrs of a product are increased, and the product precision is reduced.

The edge of the surface of the male die 31 is provided with a raised positioning part 312, the positioning parts 312 are arranged at positions close to four corners of the male die 31, the positions corresponding to the female die 21 are provided with concave parts, and the positioning is realized by connecting the positioning parts 312 with the concave parts.

As shown in fig. 9, a cooling water channel 315 is formed in the male mold 31, a connecting hole for communicating with the cooling water channel 315 is formed on one side wall of the male mold 31, and a water channel connector 313 is installed on the connecting hole on one side wall of the male mold 31.

For convenience of processing, the convex die 31 is provided with holes to communicate the holes, so that the holes are used as cooling water channels 315, a hole is formed in the side surface of the convex die 31, in order to form the communicated cooling water channels 315, at least three holes are formed in the side wall of the convex die 31, in order to realize circulation of cooling water, two holes in one side wall of the convex die 31 are used as connecting holes, two water inlet and outlet water channel connectors 313 are connected, and the rest holes in the side wall of the convex die 31 are blocked by sealing plugs, so that the cooling water channels 315 become a closed loop.

The female die 21 is provided with a runner hole 211, and the runner hole 211 is communicated with a cavity of the female die 21; the runner hole 211 is used to connect a gate so that the gate is connected into the cavity.

The invention provides a material pushing clamping jaw for die equipment, which is characterized in that a clamping component is arranged on a male die, so that the clamping component clamps an inserted link in the forming process, and the forming is carried out at one time, the step of inserting the inserted link is omitted, the processing step is reduced, the efficiency and the space occupancy rate are improved, and meanwhile, when the clamping component loosens the inserted link, the clamping component moves towards the direction of a formed workpiece to push the workpiece wrapped on the male die, so that the material pushing effect is achieved; the inserted bar is clamped by the clamping assembly, so that a workpiece is ensured to be left on the male die in the die opening process; the insertion rod is more stably connected with the fixed seat of the workpiece by arranging the threads on the insertion rod; the forming die with the material pushing clamping jaw is convenient to realize rapid forming of workpieces, the push rods are arranged on the male die, so that the material pushing process is more stable, the stress on each push rod and each driving rod is reduced, the deformation of the workpieces due to overlarge stress is avoided, and meanwhile, the service life is prolonged.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A pushing jaw for a mould apparatus, comprising a clamping assembly (32), characterized in that: the clamping assembly (32) comprises a driving rod (321) and a clamping jaw module (322);

the clamping jaw module (322) is arranged on a male die of the die equipment, and the driving rod (321) pushes the clamping jaw module (322) under the action of a push plate of the die equipment to push the clamping jaw module (322) out of the male die, so that a formed workpiece (6) is jacked up;

the clamping jaw module (322) comprises at least two clamping blocks (3221), clamping head parts (32212) are arranged on the clamping blocks (3221), and the clamping head parts (32212) form a clamping mechanism for fixing an insert rod (61) on a workpiece (6) through the surrounding arrangement of the clamping blocks (3221);

a sliding groove (32211) is formed in the clamping block (3221), the sliding groove (32211) is connected with a guide unit on the male die in a sliding manner, and the extending direction of the sliding groove (32211) is inclined relative to the insert rod (61); when the driving rod (321) pushes the clamping block (3221), the clamping block (3221) is far away from the insert rod (61) under the guiding action of the sliding groove (32211) and the guide unit, and the clamping head part (32212) is disconnected from the insert rod (61);

a guide sliding block (32213) is mounted on one side, close to the driving rod (321), of the clamping block (3221), a guide groove is formed in the driving rod (321), the guide sliding block (32213) is mounted in the guide groove, the driving rod (321) pushes the clamping block (3221), the clamping block (3221) slides in the upward direction of the guide groove, and the guide groove is formed in the radial direction of the driving rod (321), so that the clamping block (3221) moves in the direction of the guide groove, and clamping and releasing of the clamping jaw module (322) are achieved;

the clamping blocks (3221) are opposite to each other, and when the driving rod (321) pushes the clamping blocks (3221), the distance between the side surfaces of the adjacent clamping blocks (3221) is increased;

on the contrary, the driving rod (321) pulls the clamping blocks (3221), the distance between the side surfaces of the adjacent clamping blocks (3221) is decreased progressively, and when the upper surface of the clamping blocks (3221) is kept flat with the molding surface of the male die, the side surfaces of the adjacent clamping blocks (3221) are contacted.

2. A pusher jaw for a die apparatus according to claim 1, characterized in that: the installation position of the guide slider (32213) corresponds to the position of the sliding groove (32211).

3. A pusher jaw for a die apparatus according to claim 1, characterized in that: the driving rod (321) is provided with a fixing lug (3211), and the driving rod (321) is fixed on a push plate of the die equipment through the fixing lug (3211).

4. A forming die comprising a pusher jaw according to any one of claims 1 to 3, wherein: comprises a fixed die (2) and a movable die (3); the fixed die (2) and the movable die (3) are matched to form a workpiece (6);

the fixed die (2) comprises a female die (21) for molding, the movable die (3) comprises a male die (31) for molding, the male die (31) comprises a molding part (311), the molding part (311) is matched with a cavity of the fixed die (2) to mold a workpiece (6), and when the fixed die (2) and the movable die (3) are opened, the workpiece (6) is wrapped on the molding part (311);

a through hole for placing the clamping jaw module (322) is formed in the male die (31), a sliding rail (314) for guiding the sliding groove (32211) is arranged on the inner wall of the through hole, and the sliding rail (314) is connected with the sliding groove (32211) in a sliding manner;

the punch (31) is provided with a push rod (317), the push rod (317) and a driving rod (321) are pushed through the push plate, so that the push rod (317) and a clamping jaw module (322) on the punch (31) protrude out of the upper surface of the punch (31), and a workpiece (6) is removed from the punch (31).

5. The molding die of claim 4, wherein: the cross section of the sliding rail (314) is matched with that of the sliding groove (32211), the inner wall of the through hole is in matched contact with the clamping block (3221), so that the upper surface of the clamping block (3221) is flush with the forming surface of the male die (31), and the clamping jaw module (322) is connected with the male die (31) to form a sealed forming surface.

6. The molding die of claim 4, wherein: the edge on the surface of the male die (31) is provided with a raised positioning part (312), the position corresponding to the female die (21) is provided with a concave part, and the positioning is realized by connecting the positioning part (312) with the concave part.

7. The molding die of claim 4, wherein: a cooling water channel (315) is formed in the male die (31), a connecting hole communicated with the cooling water channel (315) is formed in the side wall of the male die (31), and a water channel connector (313) is installed on the connecting hole in the side wall of the male die (31).

8. The molding die of claim 4, wherein: the female die (21) is provided with a runner hole (211), and the runner hole (211) is communicated with a cavity of the female die (21); the runner hole (211) is used for connecting a pouring gate, so that the pouring gate is connected into the cavity.