CN216683128U

CN216683128U - Injection mold with PVD coating

Info

Publication number: CN216683128U
Application number: CN202123314146.8U
Authority: CN
Inventors: 王丽; 付德君; 余益飞; 吐沙姑·阿不都吾甫
Original assignee: Yichang Houhuang Vacuum Technology Co ltd
Current assignee: Yichang Houhuang Vacuum Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-07
Anticipated expiration: 2031-12-27

Abstract

The utility model provides an injection mold with a PVD coating, which relates to the technical field of injection molds and comprises a supporting pad and an injection molding assembly, wherein a damping demoulding group is supported on the top surface of the supporting pad, a mold assembly is arranged on the top side of the damping demoulding group, punching mechanisms are arranged above the periphery of the supporting pad, sleeved injection molding assemblies are arranged above two sides of each punching mechanism, and each injection molding assembly comprises a raw material tank, a motor, a second cylinder, a screw rod and an injection molding hole; the utility model mainly utilizes the uniform injection speed to inject the raw materials into the die groove, and the product is punched by matching with the punching step of uniform force application, so that the raw materials of the product have stable flow rate in the adding process, thereby realizing the uniform distribution of the raw materials at each position of the die, achieving the effect of uniform texture of the product, and compared with the prior art, the utility model can not cause the problem of uneven quality of the product injected into the die, and ensures the quality of the product.

Description

Injection mold with PVD coating

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold with a PVD coating.

Background

The injection molding method has the advantages of high production speed, high efficiency, automation in operation, various colors, shapes from simple to complex, sizes from large to small, accurate product size, easy product replacement, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.

The injection mold with the PVD coating is easy to generate uneven quality due to uneven distribution of injected raw materials and uneven distribution of the texture of a product in the using process of the existing injection mold with the PVD coating, so that the quality of the product cannot be stably improved, and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an injection mold with a PVD coating, which is mainly characterized in that two groups of symmetrically distributed injection mechanisms are utilized, raw materials are injected into a mold groove at a constant injection speed, and a product is punched by matching with a punching step of uniformly applying force, so that the raw materials of the product have a stable flow rate in the adding process, the raw materials are uniformly distributed at each position of the mold, the effect of making the texture of the product uniform is achieved, compared with the prior art, the problem of uneven quality of the products injected into the mold is solved, and the quality of the product is ensured.

In order to realize the purpose of the utility model, the utility model is realized by the following technical scheme: an injection mold with a PVD coating comprises a supporting pad and injection molding assemblies, wherein a shock absorption stripping module is supported on the top surface of the supporting pad, the top side of the shock absorption stripping module is provided with the mold assemblies, punching mechanisms are arranged above the periphery of the supporting pad, and sleeved injection molding assemblies are arranged above the two sides of each punching mechanism;

the injection molding assembly comprises a raw material tank, a motor, a second cylinder, a screw rod and an injection molding hole, wherein the side of the injection molding assembly is provided with the raw material tank, the top side of the injection molding assembly is provided with the motor, the second cylinder is arranged below the motor, the screw rod is arranged below the second cylinder, and the injection molding hole is formed in the bottom end of the injection molding assembly.

The improved damping demolding group comprises a limiting block, a rubber pad group, a first spring, a cylinder pad, a first cylinder and a conical top, wherein the rubber pad group is arranged above the limiting block, the inner side of the limiting block is provided with the first spring, one side of the first spring is provided with the cylinder pad, the cylinder pad drives the first cylinder to stretch, and the top end of the conical top is provided with a spherical structure.

The improved structure is characterized in that the inner wall of the die assembly is provided with a PVD coating, the die assembly comprises a side plate, an anti-overflow edge strip, grain teeth and a thin sheet, the anti-overflow edge strip is arranged at the upper edge of the side plate, and the grain teeth are arranged on the inner side of the side plate.

Further improved, a plurality of groups of hole grooves distributed in parallel are arranged below the thin sheet.

The improved structure is characterized in that the stamping mechanism comprises a damping spring, a top plate, stamping blocks, a connecting rod, a pasting block and a hydraulic rod, the top plate is arranged above the damping spring, the stamping blocks are arranged on the inner side of the top plate, the connecting rod assembled by two groups of bolts is arranged above the stamping blocks, and the hydraulic rod transmits pressure through the pasting block.

In a further improvement, the injection molding assembly is of a bifurcated structure and the screw rod is of a helical structure.

The beneficial effects of the utility model are as follows:

the method mainly comprises the steps of injecting raw materials into a die groove with the PVD coating at a constant injection speed, and punching the product by matching with a punching step of uniformly applying force, so that the raw materials of the product have stable flow rate in the adding process, and the raw materials are uniformly distributed at each position of the die to achieve the effect of equalizing the quality of the product.

Drawings

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

FIG. 2 is a schematic bottom perspective view of the present invention;

FIG. 3 is a schematic perspective view of a first cylinder and a conical top according to the present invention;

figure 4 is a perspective view of the mold assembly and side plates of the present invention,

FIG. 5 is a schematic cross-sectional perspective view of an injection molding assembly of the present invention.

Wherein: 1. a support pad; 2. a shock absorption demoulding group; 201. a limiting block; 202. a rubber cushion group; 203. a first spring; 204. a cylinder gasket; 205. a first cylinder; 206. a conical tip; 3. a mold assembly; 301. a side plate; 302. an anti-overflow edge strip; 303. grain teeth; 304. a sheet; 4. a stamping mechanism; 401. a damping spring; 402. a top plate; 403. stamping the blocks; 404. a connecting rod; 405. sticking blocks; 406. a hydraulic lever; 5. an injection molding assembly; 501. a raw material tank; 502. an electric motor; 503. a second cylinder; 504. a screw rod; 505. and (5) injection molding holes.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

As shown in fig. 1, 2, 3, 4, and 5, the embodiment provides an injection mold with a PVD coating, which includes a supporting pad 1 and an injection molding assembly 5, wherein a shock absorption stripping assembly 2 is supported on a top surface of the supporting pad 1, a mold assembly 3 is disposed on a top side of the shock absorption stripping assembly 2, a punching mechanism 4 is disposed above the periphery of the supporting pad 1, and the injection molding assembly 5 is disposed above two sides of the punching mechanism 4 in a sleeved manner;

the injection molding assembly 5 comprises a raw material tank 501, a motor 502, a second air cylinder 503, a screw rod 504 and an injection molding hole 505, the raw material tank 501 is arranged on the side of the injection molding assembly 5, the motor 502 is arranged on the top side of the injection molding assembly 5, the second air cylinder 503 is arranged below the motor 502, the screw rod 504 is arranged below the second air cylinder 503, and the injection molding hole 505 is arranged at the bottom end of the injection molding assembly 5.

The shock absorption demoulding group 2 comprises a limiting block 201, a rubber pad group 202, a first spring 203, a cylinder pad 204, a first cylinder 205 and a conical top 206, the rubber pad group 202 is arranged above the limiting block 201, the first spring 203 is arranged on the inner side of the limiting block 201, the cylinder pad 204 is arranged on one side of the first spring 203, the cylinder pad 204 drives the first cylinder 205 to stretch, the top end of the conical top 206 is of a spherical structure, the bottom end of the limiting block 201 and fixing equipment is arranged above the bottom end of the limiting block 201, the effect of preventing dislocation is achieved, the rubber pad group 202 can be arranged above the limiting block 201 to achieve the shock absorption effect, the shock absorption effect is increased by matching with the first spring 203, the cylinder pad 204 is arranged on the side of the first spring 203 to support the first cylinder 205, the demoulding can be achieved, and the shock absorption can be carried out.

3 inner walls of mould subassembly have the PVD coating, mould subassembly 3 includes curb plate 301, anti-overflow strake 302, line tooth 303 and thin slice 304, the top edge of curb plate 301 is provided with anti-overflow strake 302, the inboard of curb plate 301 is provided with line tooth 303, curb plate 301 has been set up in mould subassembly 3 top, and utilize the anti-overflow strake 302 of installing at the top avris of curb plate 301 to reach the effect that prevents that the injection molding agent from spilling over, can set up corresponding line tooth 303 in order to reach the shape of adapter part in the inboard of curb plate 301 according to user's needs, can set up thin slice 304 in order to temporarily seal drawing of patterns passageway in the bottom side of line tooth 303.

A plurality of sets of holes distributed in parallel are arranged below the sheet 304, and the first air cylinder 205 can drive the conical top 206 to achieve the effect of pushing the sheet 304 open through the bottom end of the mold assembly 3 to demould the mold part.

Stamping mechanism 4 includes damping spring 401, roof 402, ram-forming piece 403, connective bar 404, tiling 405 and hydraulic stem 406, damping spring 401's top is provided with roof 402, and it is the inboard of roof 402 is provided with ram-forming piece 403, ram-forming piece 403's top is provided with two sets of bolt assembly's connective bar 404, and hydraulic stem 406 passes through tiling 405 transmission pressure, stamping mechanism 4 has been set up to top around supporting pad 1, make hydraulic stem 406 transmit effort to tiling 405 and cooperate and go up connective bar 404 and transmit to ram-forming piece 403, make ram-forming piece 403 transmit the inside formation die space of impact force to curb plate 301, cooperate the damping spring 401 of roof 402 below in order to alleviate the vibrations that too big impulsive force caused.

The injection molding assembly 5 is of a bifurcated structure, the screw rod 504 is of a spiral structure, the material tank 501 is arranged on one side of the injection molding assembly 5 to form a bifurcated tubular structure, the motor 502 is matched with the second air cylinder 503 to enable the screw rod 504 to perform stretching movement uninterruptedly, so that the rotating screw rod 504 can input the material in the material tank 501 into the side plate 301 through the injection molding hole 505, and the pressing effect of the upper pressing block 403 is matched to form a mold.

The working principle of the injection mold with the PVD coating is as follows: as shown in fig. 1-5, firstly, a user can use the supporting pad 1 to set the damping demoulding unit 2 above, and set the limiting block 201 above to fix the bottom end of the device, to achieve the effect of preventing dislocation, can set the rubber pad set 202 above the limiting block 201 to achieve the effect of damping, and cooperate with the first spring 203 to achieve the effect of increasing damping, can set the cylinder pad 204 on the side of the first spring 203 to support the first cylinder 205, so that the first cylinder 205 can drive the conical top 206 to achieve the effect of ejecting the sheet 304 through the bottom end of the mold assembly 3 to demould the mold part, can set the side plate 301 above the mold assembly 3, and use the anti-overflow strip 302 installed on the side above the side plate 301 to achieve the effect of preventing the injection molding agent from overflowing, can set the corresponding teeth 303 on the inner side of the side plate 301 according to the needs of the user to achieve the shape of the fitting part, a sheet 304 can be arranged on the bottom side of the texture teeth 303 to temporarily close a demoulding channel, a stamping mechanism 4 can be arranged above the periphery of the supporting pad 1, a hydraulic rod 406 can transmit acting force to a patch 405 and is matched with an upper connecting rod 404 to transmit the acting force to a stamping block 403, the stamping block 403 can transmit impact force to the inside of the side plate 301 to form a mould space, a damping spring 401 below an upper top plate 402 is matched to reduce vibration caused by excessive impact force, an injection molding assembly 5 can penetrate through the inner side of the stamping block 403, a raw material tank 501 is arranged on one side of the injection molding assembly 5 to form a branched tubular structure, a motor 502 is matched with a second air cylinder 503 to uninterruptedly perform telescopic motion on the spiral rod 504, so that the rotary spiral rod 504 can input raw material in the raw material tank 501 into the inside of the side plate 301 through an injection molding hole 505 to form a mould under the pressing action of the upper stamping block 403, and therefore, a series of work is completed.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An injection mould with PVD coating, comprising a support pad (1) and an injection assembly (5), characterized in that: the top surface of the supporting pad (1) supports a shock absorption demoulding group (2), the top side of the shock absorption demoulding group (2) is provided with a mould component (3), the upper part of the periphery of the supporting pad (1) is provided with a stamping mechanism (4), and the upper parts of the two sides of the stamping mechanism (4) are provided with sleeved injection molding components (5);

injection moulding subassembly (5) includes head tank (501), motor (502), second cylinder (503), hob (504) and moulds plastics hole (505), the avris of injection moulding subassembly (5) is provided with head tank (501), the top side of injection moulding subassembly (5) is provided with motor (502), just the below of motor (502) is provided with second cylinder (503), the below of second cylinder (503) is provided with hob (504), the bottom of injection moulding subassembly (5) is provided with moulds plastics hole (505).

2. An injection mold with PVD coating according to claim 1, characterized in that: the shock attenuation is taken off module (2) and is included stopper (201), rubber pad group (202), first spring (203), cylinder pad (204), first cylinder (205) and conical top (206), the top of stopper (201) is provided with rubber pad group (202), the interior limit side of stopper (201) is provided with first spring (203), just one side of first spring (203) is provided with cylinder pad (204), cylinder pad (204) drive first cylinder (205) are flexible, just the top of conical top (206) possesses the sphere structure.

3. An injection mold with PVD coating according to claim 1, characterized in that: mould subassembly (3) inner wall has the PVD coating, mould subassembly (3) are including curb plate (301), anti-overflow strake (302), line tooth (303) and thin slice (304), the top edge of curb plate (301) is provided with anti-overflow strake (302), the inboard of curb plate (301) is provided with line tooth (303).

4. An injection mold with PVD coating according to claim 3, characterized in that: and a plurality of groups of hole grooves distributed in parallel are arranged below the thin sheet (304).

5. An injection mold with PVD coating according to claim 1, characterized in that: the stamping mechanism (4) comprises a damping spring (401), a top plate (402), stamping blocks (403), connecting rods (404), a sticking block (405) and a hydraulic rod (406), wherein the top plate (402) is arranged above the damping spring (401), the stamping blocks (403) are arranged on the inner side of the top plate (402), the connecting rods (404) assembled by two groups of bolts are arranged above the stamping blocks (403), and the hydraulic rod (406) transmits pressure through the sticking block (405).

6. An injection mold with PVD coating according to claim 5, characterized in that: the injection molding assembly (5) is of a bifurcated configuration and the screw rod (504) is of a helical configuration.