CN220973153U - Impact-resistant injection mold - Google Patents

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to an injection mold with impact resistance. This injection mold with it is shock-resistant, through setting up the protection device, at the in-process of moulding, can reduce the impact force between last mould and the bed die, thereby can prolong the device's life, the device that has proposed in the background art is at the in-process of moulding plastics, do not set up relevant protection structure, thereby cause the problem of certain influence to the life of mould, through setting up cleaning device, make can carry out timely clearance to the residue of the intracavity portion of moulding plastics of last mould and bed die, avoid carrying out the mould after that the intracavity portion of moulding plastics rubs the residue and causes certain influence to moulding plastics, thereby the quality of the device injection mold has been promoted.

Description

Impact-resistant injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold with impact resistance.

Background technique

An injection mold is a tool for producing plastic products; it is also a tool that gives plastic products a complete structure and precise dimensions. Injection molding is a processing method used in mass production of certain parts with complex shapes. Specifically, it refers to the process of injecting heated and melted plastic into the mold cavity under high pressure by an injection molding machine, and obtaining a molded product after cooling and solidification.

Existing injection molds mostly use ejector pins or ejector rods to eject the molded workpiece when removing the workpiece. During the ejection, not only will the molded workpiece be damaged or even scrapped, but the use of ejector pins or ejector rods to eject the workpiece has certain limitations.

In the patent document with the publication number CN215703649U, an injection mold is proposed, which includes a base, a lower mold is fixedly connected to the upper surface of the base, two guide pillars are fixedly connected to the upper surface of the base, a mold cavity and two guide grooves are opened on the upper surface of the lower mold, and the guide grooves are symmetrically distributed about the center line of the lower mold, an upper mold is slidably connected to the outer surface of the guide pillar, a fan is fixedly connected to the upper surface of the upper mold, a first telescopic hose is fixedly connected to the output end of the fan, and a first bracket is fixedly connected to the upper surface of the upper mold. The injection mold can make the first slider slide in the first slide groove while the rotating shaft rotates by fixing the first universal joint on the upper surface of the first universal joint and the first universal joint is rotatably connected to the second universal joint, and the slide rod can be moved up and down by fixing the second threaded rod on the output end of the forward and reverse motor and the second threaded rod is threadedly connected to the upper surface of the slide rod.

However, during the injection molding process, the device does not have a relevant anti-impact structure, which has a certain impact on the service life of the mold.

For this reason, we urgently need to provide an injection mold with impact resistance.

Utility Model Content

The utility model aims to provide an impact-resistant injection mold to solve the problem that the device proposed in the above background technology has no relevant impact-proof structure during the injection molding process, thereby causing a certain impact on the service life of the mold.

To achieve the above purpose, the utility model provides the following technical solutions: an impact-resistant injection mold, comprising a fixed seat, a lower mold and an upper mold, the top and outer wall of the lower mold are provided with an anti-impact device, and the side of the fixed seat is provided with a cleaning device.

The impact protection device includes an inner buffer unit and an outer buffer unit.

The internal buffer unit includes a slot, a buffer spring, a circular plate, a side groove, a connecting spring, a back plate and a clamping piece. The slot is opened at the top of the lower mold, the buffer spring is fixedly installed at the bottom end of the slot, the circular plate is fixedly installed at the top of the buffer spring, the side groove is opened at the side of the slot, the connecting spring is fixedly connected to the inside of the side groove, the back plate is fixedly installed at one end of the connecting spring, and the clamping piece is fixedly installed at the bottom end of the upper mold.

The external buffer unit includes a mounting plate, a buffer cylinder and a buffer member. The mounting plate is fixedly mounted on the side of the lower mold, the buffer cylinder is fixedly mounted on the top of the mounting plate, and the buffer member is arranged inside the buffer cylinder.

Preferably, the cleaning device comprises a fixed plate, a slide groove, a slide rail, a moving block, a fixed column, a rotating groove, a rotating member, a connecting plate, an electric telescopic rod, a connecting member, a connecting pipe, an air outlet pipe, an axial flow fan and a connecting hose, wherein the fixed plate is fixedly installed on the side of the fixed seat, the slide groove is arranged at the top of the fixed plate, the slide rail is fixedly installed on the inner wall of the slide groove, the moving block is connected to the outer wall of the slide rail, the fixed column is fixedly installed on the top of the moving block, the rotating groove is arranged below the outer wall of the fixed column, the rotating member is connected to the inner wall of the rotating groove, the connecting plate is fixedly installed on one end of the rotating member, the electric telescopic rod is installed above the side of the connecting plate, the connecting member is connected to the connecting end of the electric telescopic rod, the connecting pipe is fixedly installed inside the connecting member, the air outlet pipe is connected to the side of the connecting member, the axial flow fan is installed on the top of the connecting plate, and the connecting hose is connected to the connecting end of the axial flow fan.

Preferably, the position of the card slot corresponds to the position of the card component, so that the card component can be accurately inserted into the card slot, which plays a positioning role to a certain extent. The side of the abutment plate abuts against the side of the card component, and the abutment plate and the connecting spring play a preliminary buffering effect.

Preferably, a buffer is provided inside the buffer cylinder, and the top end of the buffer abuts against the bottom end of the buffer component. The buffer and the buffer component can further improve the anti-impact performance of the device, thereby enabling better mold injection molding.

Preferably, the cleaning device is symmetrically distributed on the side of the fixed seat, so as to improve the cleaning effect of the device and further improve the quality of the mold to a certain extent. The movable block is slidably connected to the outer wall of the slide rail, so that the position of the air outlet duct can be adjusted, so as to better clean the inside of the injection cavity.

Preferably, the rotating member is rotatably connected to the inner wall of the rotating groove, so that the angle of the air outlet pipe can be adjusted. The air outlet pipe is symmetrically distributed on the upper and lower sides of the connecting member, and the air outlet pipe is connected to the connecting pipe, so that the injection cavity of the upper mold and the lower mold can be cleaned at the same time.

Preferably, one end of the connecting hose is connected to the axial flow fan, and the other end is connected to the connecting pipe. The wind force generated by the axial flow fan is transmitted to the connecting pipe through the connecting hose and blown out from the air outlet pipe, thereby cleaning the inside of the injection cavity.

Compared with the prior art, the beneficial effects of the utility model are:

1. The impact-resistant injection mold can reduce the impact force between the upper mold and the lower mold during the molding process by setting an anti-impact device, thereby extending the service life of the device, solving the problem proposed in the background technology that the device does not have a relevant anti-impact structure during the injection molding process, thereby causing a certain impact on the service life of the mold.

2. The impact-resistant injection mold is provided with a cleaning device, so that the residues inside the injection cavities of the upper mold and the lower mold can be cleaned in time, so as to avoid the influence of the rubbing residues inside the injection cavity on the injection molding during the subsequent mold injection, thereby improving the quality of the injection mold of the device.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a front view schematic diagram of the structure of the utility model;

FIG2 is a schematic diagram of the top view of the structure of the utility model;

FIG3 is a schematic cross-sectional view of a partial structure of the anti-impact device of the utility model;

FIG. 4 is a schematic structural diagram of the cleaning device of the present invention.

In the figure: 1, fixed seat; 2, lower mold; 3, upper mold; 401, slot; 402, buffer spring; 403, round plate; 404, side slot; 405, connecting spring; 406, abutment plate; 407, clamp; 408, mounting plate; 409, buffer cylinder; 410, buffer member; 501, fixed plate; 502, slide slot; 503, slide rail; 504, moving block; 505, fixed column; 506, rotating slot; 507, rotating member; 508, connecting plate; 509, electric telescopic rod; 510, connecting member; 511, connecting pipe; 512, air outlet pipe; 513, axial flow fan; 514, connecting hose.

Detailed ways

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1 to 4. The utility model provides a technical solution:

Embodiment 1:

An impact-resistant injection mold comprises a fixed seat 1, a lower mold 2 and an upper mold 3. The top and outer wall of the lower mold 2 are provided with an impact-proof device, and the side of the fixed seat 1 is provided with a cleaning device. The cleaning device is symmetrically distributed on the side of the fixed seat 1, thereby improving the cleaning effect of the device and thus improving the quality of the mold to a certain extent.

The impact protection device includes an inner buffer unit and an outer buffer unit.

The internal buffer unit includes a slot 401, a buffer spring 402, a circular plate 403, a side groove 404, a connecting spring 405, a push plate 406 and a clamp 407. The slot 401 is opened at the top of the lower mold 2. The position of the slot 401 corresponds to the position of the clamp 407, so that the clamp 407 can be accurately inserted into the slot 401, which plays a positioning role to a certain extent. The buffer spring 402 is fixedly installed at the bottom end of the slot 401, the circular plate 403 is fixedly installed at the top of the buffer spring 402, the side groove 404 is opened on the side of the slot 401, the connecting spring 405 is fixedly connected to the inside of the side groove 404, the push plate 406 is fixedly installed at one end of the connecting spring 405, the side of the push plate 406 is abutted against the side of the clamp 407, the push plate 406 and the connecting spring 405 have a preliminary buffering effect, and the clamp 407 is fixedly installed at the bottom of the upper mold 3.

The external buffer unit includes a mounting plate 408, a buffer cylinder 409 and a buffer member 410. The mounting plate 408 is fixedly mounted on the side of the lower mold 2, and the buffer cylinder 409 is fixedly mounted on the top of the mounting plate 408. A buffer is arranged inside the buffer cylinder 409, and the top of the buffer abuts against the bottom of the buffer member 410. The buffer and the buffer member 410 can further enhance the anti-impact performance of the device, thereby enabling better mold injection. The buffer member 410 is arranged inside the buffer cylinder 409.

Embodiment 2:

On the basis of the first embodiment: the cleaning device includes a fixed plate 501, a slide 502, a slide rail 503, a moving block 504, a fixed column 505, a rotating groove 506, a rotating member 507, a connecting plate 508, an electric telescopic rod 509, a connecting member 510, a connecting pipe 511, an air outlet pipe 512, an axial flow fan 513 and a connecting hose 514, the fixed plate 501 is fixedly installed on the side of the fixed seat 1, the slide 502 is opened at the top of the fixed plate 501, and the slide rail 503 is opened. The movable block 504 is fixedly installed on the inner wall of the slide groove 502, and the movable block 504 is connected to the outer wall of the slide rail 503. The movable block 504 is slidably connected with the outer wall of the slide rail 503, so that the position of the air outlet duct 512 can be adjusted, so that the inside of the injection cavity can be better cleaned. The fixed column 505 is fixedly installed on the top of the movable block 504, and the rotating groove 506 is opened below the outer wall of the fixed column 505. The rotating member 507 is connected to the inner wall of the rotating groove 506, and the rotating member 507 rotates with the inner wall of the rotating groove 506. The connection can adjust the angle of the air outlet pipe 512, the connecting plate 508 is fixedly installed at one end of the rotating member 507, the electric telescopic rod 509 is installed on the upper side of the connecting plate 508, the connecting member 510 is connected to the connecting end of the electric telescopic rod 509, the connecting pipe 511 is fixedly installed inside the connecting member 510, the air outlet pipe 512 is connected to the side of the connecting member 510, the air outlet pipe 512 is symmetrically distributed on the upper and lower sides of the connecting member 510, and the air outlet pipe 512 is connected to the connecting pipe 511, so that the injection cavity of the upper mold 3 and the lower mold 2 can be cleaned at the same time, the axial flow fan 513 is installed at the top of the connecting plate 508, and the connecting hose 514 is connected to the connecting end of the axial flow fan 513, one end of the connecting hose 514 is connected to the axial flow fan 513, and the other end is connected to the connecting pipe 511, the wind force generated by the axial flow fan 513 is transported to the connecting pipe 511 through the connecting hose 514, and blown out from the air outlet pipe 512, so as to clean the inside of the injection cavity.

When in use, during the downward movement of the upper mold 3, the clamp 407 moves downward inside the slot 401, the abutment plate 406 abuts against the side of the clamp 407, and under the action of the connecting spring 405, a preliminary buffering effect is performed, and the bottom end of the clamp 407 contacts the circular plate 403 inside the slot 401, and further plays a buffering role under the elastic action of the buffer spring 402. In addition, the downward movement of the upper mold 3 drives the buffer 410 to contact the buffer inside the buffer cylinder 409, thereby improving the impact resistance of the device. After the injection molding is completed, the upper mold 3 moves upward, and the position of the air outlet 512 can be moved by the moving block 504. The electric telescopic rod 509 extends to move the connecting piece 510 to the top of the lower mold 2 and the bottom of the upper mold 3. By starting the axial flow fan 513 and under the action of the connecting hose 514 and the connecting pipe 511, the generated wind force is blown out from the inside of the air outlet 512, thereby timely cleaning the inside of the injection cavity, which can improve the mold injection efficiency of the device to a certain extent.

It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims (7)

1. An injection mold with it is shock-resistant, includes fixing base (1), bed die (2) and last mould (3), its characterized in that: the top end and the outer wall of the lower die (2) are provided with anti-impact devices, and the side edge of the fixing seat (1) is provided with a cleaning device;

the anti-impact device comprises an inner buffer unit and an outer buffer unit;

The inner buffer unit comprises a clamping groove (401), a buffer spring (402), a circular plate (403), a side groove (404), a connecting spring (405), a retaining plate (406) and a clamping piece (407), wherein the clamping groove (401) is formed in the top end of the lower die (2), the buffer spring (402) is fixedly arranged at the bottom end inside the clamping groove (401), the circular plate (403) is fixedly arranged at the top end of the buffer spring (402), the side groove (404) is formed in the side edge of the clamping groove (401), the connecting spring (405) is fixedly connected inside the side groove (404), the retaining plate (406) is fixedly arranged at one end of the connecting spring (405), and the clamping piece (407) is fixedly arranged at the bottom end of the upper die (3);

the external buffer unit comprises a mounting plate (408), a buffer cylinder (409) and a buffer piece (410), wherein the mounting plate (408) is fixedly arranged on the side edge of the lower die (2), the buffer cylinder (409) is fixedly arranged at the top end of the mounting plate (408), and the buffer piece (410) is arranged inside the buffer cylinder (409).

2. An injection mold with impact resistance according to claim 1, characterized in that: the cleaning device comprises a fixed plate (501), a sliding chute (502), a sliding rail (503), a moving block (504), a fixed column (505), a rotating groove (506), a rotating piece (507), a connecting plate (508), an electric telescopic rod (509), a connecting piece (510), a connecting pipe (511), an air outlet pipe (512), an axial fan (513) and a connecting hose (514), wherein the fixed plate (501) is fixedly arranged on the side edge of the fixed plate (1), the sliding chute (502) is arranged at the top end of the fixed plate (501), the sliding rail (503) is fixedly arranged on the inner wall of the sliding chute (502), the moving block (504) is connected to the outer wall of the sliding rail (503), the fixed column (505) is fixedly arranged at the top end of the moving block (504), the rotating groove (506) is arranged below the outer wall of the fixed column (505), the rotating piece (507) is connected to the inner wall of the rotating groove (506), the connecting plate (508) is fixedly arranged at one end of the rotating piece (507), the electric telescopic rod (509) is arranged at the side edge of the connecting plate (508), the connecting piece (510) is connected to the electric telescopic rod (509) and the connecting piece (511) is arranged at the inner telescopic end (510), the axial flow fan (513) is arranged at the top end of the connecting plate (508), and the connecting hose (514) is connected to the connecting end of the axial flow fan (513).

3. An injection mold with impact resistance according to claim 1, characterized in that: the position of the clamping groove (401) corresponds to the position of the clamping piece (407), and the side edge of the retaining plate (406) is abutted against the side edge of the clamping piece (407).

4. An injection mold with impact resistance according to claim 1, characterized in that: the buffer cylinder (409) is internally provided with a buffer, and the top end of the buffer is abutted with the bottom end of the buffer piece (410).

5. An injection mold having impact resistance according to claim 2, wherein: the cleaning devices are symmetrically distributed on the side edges of the fixed seat (1), and the moving blocks (504) are slidably connected with the outer walls of the sliding rails (503).

6. An injection mold having impact resistance according to claim 2, wherein: the rotating piece (507) is rotationally connected with the inner wall of the rotating groove (506), the air outlet pipes (512) are symmetrically distributed on the upper side and the lower side of the connecting piece (510), and the air outlet pipes (512) are connected with the connecting pipe (511).

7. An injection mold having impact resistance according to claim 2, wherein: one end of the connecting hose (514) is connected with the axial flow fan (513), and the other end is connected with the connecting pipe (511).