CN216683128U - Injection mold with PVD coating - Google Patents

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

An injection mold with PVD coating

technical field

The utility model relates to the technical field of injection moulds, in particular to an injection mould with PVD coating.

Background technique

Injection molding, also known as injection molding, is a molding method of injection and molding. The advantages of injection molding are fast production speed, high efficiency, automatic operation, many varieties of colors, shapes from simple to complex, size It can be from large to small, and the size of the product is accurate, the product is easy to replace, and it can be formed into parts with complex shapes. Injection molding is suitable for mass production and complex shape products.

In the process of using the existing injection mold with PVD coating, it is easy to cause uneven distribution of injected raw materials, and it is easy to cause uneven distribution of products due to uneven texture, resulting in uneven product quality, which leads to problems such as the inability to stably improve product quality. , The utility model proposes an injection mold with PVD coating to solve the problems existing in the prior art.

Utility model content

In view of the above problems, the utility model proposes an injection mold with PVD coating. The injection mold with PVD coating mainly utilizes two sets of symmetrically distributed injection molding mechanisms to inject raw materials into the mold groove with a uniform injection rate. With the stamping step of uniform force, the product is made by stamping, so that the raw material of the product has a stable flow rate during the process of adding, so that the raw material is evenly distributed in each position of the mold, and the texture of the product is equal. Compared with the prior art, it will not cause the problem of uneven quality of injection mold products, and ensure the quality of products.

In order to achieve the purpose of the present utility model, the present utility model is realized through the following technical solutions: an injection mold with PVD coating, comprising a support pad and an injection molding assembly, the top surface of the support pad is supported with a shock-absorbing stripper, and A mold assembly is arranged on the top side of the shock-absorbing and stripping module, a punching mechanism is arranged above the periphery of the support pad, and sleeved injection molding components are arranged above both sides of the punching mechanism;

The injection molding assembly includes a raw material tank, a motor, a second air cylinder, a screw rod and an injection hole, the side of the injection molding assembly is provided with a raw material tank, the top side of the injection molding assembly is provided with a motor, and the lower part of the motor is provided There is a second cylinder, a screw rod is arranged below the second cylinder, and an injection hole is arranged at the bottom end of the injection molding component.

A further improvement is that the shock absorption and stripping group includes a limit block, a rubber pad group, a first spring, a cylinder gasket, a first cylinder and a conical top, and a rubber gasket group is arranged above the limit block. A first spring is arranged on the inner side of the position block, and a cylinder gasket is arranged on one side of the first spring, the cylinder gasket drives the first cylinder to expand and contract, and the top end of the cone top has a spherical structure.

A further improvement is that the inner wall of the mold assembly has a PVD coating, the mold assembly includes a side plate, an overflow-proof edge, a textured tooth and a sheet, and the upper edge of the side plate is provided with an overflow-proof edge, and the side plate The inner side is provided with textured teeth.

A further improvement is that a plurality of groups of holes and grooves distributed in parallel are arranged under the sheet.

A further improvement is that the punching mechanism includes a shock-absorbing spring, a top plate, a punching block, a connecting rod, a sticking block and a hydraulic rod, a top plate is arranged above the shock-absorbing spring, and a punching block is arranged on the inner side of the top plate. Two sets of connecting rods assembled by bolts are arranged above the punching block, and the hydraulic rod transmits pressure through the sticking block.

A further improvement is that the injection molding component has a bifurcated structure, and the screw rod has a helical structure.

The beneficial effects of the present utility model are:

The utility model mainly uses a uniform injection rate to inject raw materials into a mold groove with PVD coating, and cooperates with a stamping step of uniform force to stamp the product, so that the product raw material has a stable quality during the process of adding raw materials. The flow rate can make the raw materials evenly distributed in each position of the mold, so as to achieve the effect of making the product texture equal. quality.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is a schematic view of the three-dimensional structure of the present utility model;

FIG. 3 is a schematic diagram of the three-dimensional structure of the first cylinder and the cone top of the present invention;

FIG. 4 is a schematic diagram of the three-dimensional structure of the mold assembly and the side plate of the present invention,

5 is a schematic cross-sectional three-dimensional structure diagram of an injection molding assembly of the present invention.

Among them: 1. Support pad; 2. Damping and stripping module; 201, Limit block; 202, Rubber pad group; 203, First spring; 204, Cylinder gasket; 205, First cylinder; 206, Cone top; 3 , mold assembly; 301, side plate; 302, anti-overflow edge strip; 303, textured teeth; 304, sheet; 4, stamping mechanism; 401, shock spring; 402, top plate; 403, stamping block; 404, connecting rod; 405, block; 406, hydraulic rod; 5, injection molding components; 501, raw material tank; 502, electric motor; 503, second cylinder; 504, screw rod; 505, injection hole.

Detailed ways

In order to deepen the understanding of the present utility model, the present utility model will be described in further detail below with reference to the embodiments. The present embodiment is only used to explain the present utility model and does not constitute a limitation on the protection scope of the present utility model.

1, 2, 3, 4, and 5, the present embodiment proposes an injection mold with PVD coating, including a support pad 1 and an injection molding assembly 5. The top surface of the support pad 1 is supported with a shock-absorbing mold release. Group 2, and the top side of the shock-absorbing and stripping module 2 is provided with a mold assembly 3, a punching mechanism 4 is provided above the periphery of the support pad 1, and a socketed injection molding assembly 5 is provided above both sides of the punching mechanism 4;

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

The damping and stripping module 2 includes a limit block 201, a rubber pad group 202, a first spring 203, a cylinder washer 204, a first cylinder 205 and a cone top 206. A rubber pad group 202 is arranged above the limit block 201 to limit the The inner side of the block 201 is provided with a first spring 203, and one side of the first spring 203 is provided with a cylinder gasket 204. The cylinder gasket 204 drives the first cylinder 205 to expand and contract, and the top of the cone top 206 has a spherical structure, and the top of the top of the cone 206 has a spherical structure. Set the limit block 201 to fix the bottom end of the equipment to prevent dislocation. A rubber pad group 202 can be set above the limit block 201 to achieve the effect of shock absorption, and the first spring 203 can be used to increase the reduction. To reduce the shock effect, a cylinder gasket 204 can be arranged on the side of the first spring 203 to support the first cylinder 205, which can not only demold, but also dampen.

The inner wall of the mold assembly 3 has a PVD coating. The mold assembly 3 includes a side plate 301, an overflow-proof edge strip 302, a textured tooth 303 and a sheet 304. The upper edge of the side plate 301 is provided with an overflow-proof edge strip 302. The inner side is provided with pattern teeth 303, the side plate 301 is arranged above the mold assembly 3, and the overflow prevention edge strip 302 installed on the upper side of the side plate 301 is used to prevent the overflow of the injection molding agent. Corresponding pattern teeth 303 are arranged on the inner side of the plate 301 to fit the shape of the part, and a sheet 304 can be arranged on the bottom side of the pattern teeth 303 to temporarily close the demolding channel.

The bottom of the sheet 304 is provided with multiple groups of holes and grooves distributed in parallel. The first air cylinder 205 can drive the conical top 206 to pass through the bottom end of the mold assembly 3 to push the sheet 304 to release the mold part.

The punching mechanism 4 includes a damping spring 401, a top plate 402, a punching block 403, a connecting rod 404, a sticking block 405 and a hydraulic rod 406. A top plate 402 is provided above the damping spring 401, and a punching block 403 is provided on the inner side of the top plate 402. , the top of the stamping block 403 is provided with two sets of connecting rods 404 assembled with bolts, and the hydraulic rod 406 transmits pressure through the sticker 405, and the stamping mechanism 4 is set above the surrounding of the support pad 1, so that the hydraulic rod 406 transmits the force to the The sticking block 405 cooperates with the connecting rod 404 and transmits it to the punching block 403, so that the punching block 403 transmits the impact force to the inside of the side plate 301 to form a mold space, and cooperates with the shock-absorbing spring 401 under the upper top plate 402 to reduce the excessive impact force. vibration.

The injection molding assembly 5 has a bifurcated structure, and the screw rod 504 has a helical structure. A raw material tank 501 is set on one side of the injection molding assembly 5 to form a bifurcated tubular structure. The rod 504 performs telescopic motion, so that the rotating screw rod 504 can input the raw material in the raw material tank 501 into the interior of the side plate 301 through the injection hole 505 to cooperate with the pressing action of the punching block 403 to form a mold.

The working principle of the injection mold with PVD coating is as follows: as shown in Figures 1-5, firstly, the user can use the upper part of the support pad 1 to set up the shock absorption and release module 2, and set the limit block 201 above to fix it The bottom end of the device can prevent dislocation. A rubber pad group 202 can be set above the limit block 201 to achieve the effect of shock absorption, and the first spring 203 can be used to increase the effect of shock absorption. The spring 203 is provided with a cylinder gasket 204 on the side to support the first cylinder 205, so that the first cylinder 205 can drive the conical top 206 to pass through the bottom end of the mold assembly 3 to open the sheet 304 to release the mold parts. A side plate 301 is set above the mold assembly 3, and the overflow prevention edge strips 302 installed on the upper side of the side plate 301 are used to prevent the overflow of the injection molding agent. According to the needs of the user, the inner side of the side plate 301 can be set accordingly In order to achieve the shape of the matching part with the textured teeth 303, a thin sheet 304 can be set on the bottom side of the textured teeth 303 to temporarily close the demolding channel, and a punching mechanism 4 can be set above the surrounding of the support pad 1, so that the hydraulic rod 406 will The force is transmitted to the sticking block 405 and is transmitted to the punching block 403 in cooperation with the upper connecting rod 404, so that the punching block 403 transmits the impact force to the inside of the side plate 301 to form a mold space, and cooperates with the shock-absorbing spring 401 under the upper top plate 402 to slow down the impact force. The vibration caused by the large impact force can penetrate the injection molding assembly 5 on the inner side of the punching block 403. The raw material tank 501 is set on one side of the injection molding assembly 5 to form a bifurcated tubular structure. The screw rod 504 is telescopically moved, so that the rotating screw rod 504 can input the raw material in the raw material tank 501 into the interior of the side plate 301 through the injection hole 505 and cooperate with the pressing action of the punching block 403 to form a mold, thereby completing a mold. series of work.

The basic principles, main features and advantages of the present invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention There will also be various changes and improvements in the new model, which all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. An injection mold with PVD coating, comprising a support pad (1) and an injection molding assembly (5), characterized in that: the top surface of the support pad (1) is supported with a shock-absorbing stripper (2), And a die assembly (3) is arranged on the top side of the shock-absorbing and stripping module (2), a punching mechanism (4) is arranged above the periphery of the support pad (1), and the punching mechanism (4) is above both sides. A socketed injection molding component (5) is provided; The injection molding component (5) includes a raw material tank (501), a motor (502), a second air cylinder (503), a screw rod (504) and an injection molding hole (505), and the side of the injection molding component (5) is provided with A raw material tank (501), an electric motor (502) is disposed on the top side of the injection molding component (5), and a second air cylinder (503) is disposed below the electric motor (502), and the second air cylinder (503) is A screw rod (504) is provided below, and an injection hole (505) is provided at the bottom end of the injection molding component (5). 2. An injection mold with PVD coating according to claim 1, characterized in that: the shock-absorbing stripping group (2) comprises a limit block (201), a rubber pad group (202), a first A spring (203), a cylinder gasket (204), a first cylinder (205) and a cone top (206), a rubber pad group (202) is arranged above the limit block (201), and the limit block (201) ) is provided with a first spring (203), and one side of the first spring (203) is provided with a cylinder washer (204), the cylinder washer (204) drives the first cylinder (205) to expand and contract, And the top end of the cone top (206) has a spherical structure. 3. The injection mold with PVD coating according to claim 1, characterized in that: the inner wall of the mold assembly (3) has a PVD coating, and the mold assembly (3) comprises side plates (301), Spill-proof edge strips (302), textured teeth (303) and sheets (304), the upper edge of the side plate (301) is provided with an overflow-proof edge strip (302), and the inner side of the side plate (301) is provided with Textured teeth (303). 4. An injection mold with PVD coating according to claim 3, characterized in that: a plurality of groups of holes and grooves distributed in parallel are arranged below the sheet (304). 5. An injection mold with PVD coating according to claim 1, characterized in that: the punching mechanism (4) comprises a damping spring (401), a top plate (402), a punching block (403), a connection A rod (404), a sticking block (405) and a hydraulic rod (406), a top plate (402) is provided above the shock-absorbing spring (401), and a stamping block (403) is provided on the inner side of the top plate (402), Two sets of connecting rods (404) assembled with bolts are arranged above the punching block (403), and the hydraulic rod (406) transmits pressure through the sticking block (405). 6 . The injection mold with PVD coating according to claim 5 , wherein the injection molding component ( 5 ) has a bifurcated structure, and the screw rod ( 504 ) has a helical structure. 7 .

Images