Product auxiliary demolding mechanism of injection molding machine

By designing a motor-driven screw system and a water pump nozzle on the injection molding machine to spray the release agent, and combining it with a robotic arm scraper for cleaning, the problem of poor demolding effect caused by manual spraying was solved, achieving uniform spraying and cleaning, and improving the demolding effect and efficiency.

CN223821028UActive Publication Date: 2026-01-23HUIZHOU ZHAOFENG HARDWARE PLASTIC PROD CO LTD
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Patent Information

Application Number
CN202520173914.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2026-01-23
Estimated Expiration
2035-01-24

AI Technical Summary

Technical Problem

Some injection molding machines require the application of release agent to assist in demolding. Manual spraying can easily lead to poor demolding results, with too much or too little agent being applied.

Method used

An auxiliary demolding mechanism for injection molding machines was designed. It uses a motor-driven screw system and a water pump nozzle to spray the release agent, and a robotic arm in conjunction with a scraper to achieve uniform application and cleaning, thus avoiding the accumulation of release agent.

Benefits of technology

It achieves uniform spraying and cleaning of the release agent, improves the release effect, reduces the uncertainty of manual operation, and improves the reliability and efficiency of release.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an injection molding machine product auxiliary demoulding mechanism which comprises a fixed frame, a fixed mould, a hydraulic push rod, a movable mould, a spring rod, a push plate and an injection molding head, the upper side of the fixed frame is fixedly connected with a cross rod, the cross rod is fixedly connected with a connecting strip, the connecting strip is movably connected with a first support in an inserted mode, and the upper side of the first support is fixedly connected with a connecting plate. The connecting plate is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a first screw, the first screw is in threaded connection with a connecting strip, the connecting strip is hollow, the bottom end of the first screw is rotatably connected with a moving frame, and one side of the moving frame is fixedly connected with a second motor. A release agent in the connecting strip is pumped through the water pump and can be sprayed to the movable mold and the fixed mold through the metal hose, the second sliding block, the connecting pipe and the atomization spray head, then the atomization spray head is driven to move through rotation of the first screw rod and the second screw rod, and therefore uniform spraying to inner grooves of the movable mold and the fixed mold is achieved; the demolding effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine auxiliary equipment technical field, concretely relates to a injection molding machine product auxiliary demolding mechanism. BACKGROUND

[0002] Injection molding machines are widely used in various manufacturing industries and can typically produce a large number of plastic products, including daily necessities, packaging materials, and home appliances, which are classified as plastic parts and metal parts based on the materials used.

[0003] According to the "injection molding machine product auxiliary demolding mechanism" described in Chinese patent publication No. CN222115945U, the main function is to provide auxiliary blades at both ends of the top plate. When the injection molding process is complete, the auxiliary blades can be moved upward by the lifting mechanism, thereby separating the injection molded parts from the lower mold to prevent sticking between the two. Then, the injection molded parts are ejected from the upper mold by moving the top plate upward, completing automatic demolding and avoiding demolding failure caused by sticking to the inner wall of the lower mold when the top plate lifts the injection molded parts.

[0004] During the demolding process, the injection molded parts need to be gradually removed from the mold, and the quality of the injection molded parts needs to be checked after demolding. The surface of the injection molded parts is observed, and finally the mold is cleaned. Some injection molding machines require the application of a release agent to assist in demolding during use. Typically, the release agent is sprayed manually, which can result in too much or too little release agent being applied, affecting the demolding effect.

[0005] Therefore, an injection molding machine product auxiliary demolding mechanism is proposed to solve the problem of the need for a release agent to assist in demolding during the use of some injection molding machines, which typically involves manual spraying of the release agent, resulting in too much or too little release agent being applied, affecting the demolding effect. SUMMARY

[0006] The utility model solves the technical problem of the need for a release agent to assist in demolding during the use of some injection molding machines, which typically involves manual spraying of the release agent, resulting in too much or too little release agent being applied, affecting the demolding effect. Therefore, an injection molding machine product auxiliary demolding mechanism is proposed.

[0007] The utility model discloses a technical scheme that the utility model discloses a kind of injection molding machine product auxiliary demolding mechanism, including fixed frame, fixed mould, hydraulic push rod, movable mould, spring rod, push plate and injection head, the lateral fixed connection of fixed frame upper side has cross bar, the lateral fixed connection of cross bar has link strip, the first support of link strip is movably inserted and the upper side fixed connection of first support has link plate, the first motor of link plate is fixedly connected, the first screw rod of first motor output end is fixedly connected, the link strip is screw connected to first screw rod, link strip is hollow, the moving frame of first screw rod bottom end is rotatably connected, the second motor of moving frame one side is fixedly connected, the second screw rod of second motor output end is fixedly connected, the second slide block of second screw rod is screw connected, the water pump of second slide block upper end is fixedly connected, the adapter pipe of water pump output end is fixedly connected, the atomizing nozzle of adapter pipe bottom end both sides is fixedly connected, the input end of water pump is fixedly connected with metal hose, metal hose and link strip inside are communicated, link strip upper end is equipped with through-hole, the plug of through-hole is inserted.

[0008] As a preferred technical scheme of the utility model, the bottom end of the link strip is fixedly connected with a vertical plate on both sides, a supporting rod is fixedly connected between the two vertical plates, a clamping block is sleeved on the supporting rod, and the metal hose is movably inserted into the clamping block.

[0009] As a preferred technical scheme of the utility model, a spring is arranged on one side of the clamping block and sleeved on one side of the supporting rod, so that the clamping block is limited.

[0010] As a preferred technical scheme of the utility model, a mechanical arm is arranged on the bottom side of the fixed frame, and a scraper is fixedly connected to one end of the mechanical arm.

[0011] As a preferred technical scheme of the utility model, a top plate is fixedly connected to the upper side of the scraper, and the top plate has a triangular structure.

[0012] The utility model has the following advantages: through the water pump extraction interface strip in release agent and through metal hose, second sliding block, interface pipe and atomizing spray head, can carry out spraying to the movable mould and fixed mould, then the rotation of first screw rod and second screw rod promotes atomizing spray head to be able to move, thereby realizes the even spraying to the inner groove of movable mould and fixed mould, promotes the release effect, then through the mechanical arm cooperation scraper can scrape the inner groove bottom side of movable mould and fixed mould, thereby reduces the release agent accumulation. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a kind of three-dimensional structure schematic diagram of injection molding machine product auxiliary release mechanism of a preferred embodiment of the utility model;

[0014] Fig. 2 It is a kind of side view sectional structure schematic diagram of injection molding machine product auxiliary release mechanism of a preferred embodiment of the utility model;

[0015] Fig. 3 It is a kind of side view sectional structure schematic diagram of interface strip of injection molding machine product auxiliary release mechanism of a preferred embodiment of the utility model.

[0016] Figure legend explanation: 1, fixed frame;2, fixed mould;3, hydraulic push rod;4, movable mould;5, spring rod;6, push plate;7, injection head;8, cross bar;9, interface strip;10, interface plate;11, first screw rod;12, moving frame;13, second screw rod;14, second sliding block;15, interface pipe;16, atomizing spray head;17, water pump;18, metal hose;19, vertical board;20, clamping block;21, support rod;22, plug;23, mechanical arm;24, scraper;25, top plate. DETAILED DESCRIPTION

[0017] The utility model will be further described below in connection with the drawings.

[0018] Please combine Figs. 1-3The utility model provides an injection molding machine product auxiliary demolding mechanism, including fixed frame 1, fixed mould 2, hydraulic push rod 3, movable mould 4, spring rod 5, push plate 6 and injection head 7, hydraulic push rod 3 can drive movable mould 4 to move, to promote the clamping of movable mould 4 and fixed mould 4, then through injection head 7 can fill injection product melt liquid to fixed mould 2 and movable mould 4 inner chamber, the upper side fixed connection of fixed frame 1 has cross bar 8, the fixed connection of cross bar 8 has link strip 9, the first support of link strip 9 is movably inserted and the upper side fixed connection of first support has link plate 10, the fixed connection of link plate 10 has first motor, and first motor and second motor are positive and negative motor, and the procedure used is motor self, only as the motive equipment of driving first screw rod 11 and second screw rod 13 rotation, the fixed connection of first motor output has first screw rod 11, and first motor drives first screw rod 11 to rotate, can promote the up-and-down movement of moving frame 12, and first screw rod 11 is screw connected link strip 9, and link strip 9 is hollow, and the bottom end rotation of first screw rod 11 is connected with moving frame 12, and the fixed connection of moving frame 12 one side has second motor, and second motor drives second screw rod 13 to rotate, can promote the transverse movement of second sliding block 14 in moving frame 12, and the fixed connection of second motor output has second screw rod 13, and second screw rod 13 is screw connected with second sliding block 14, and the fixed connection of second sliding block 14 upper end has water pump 17, and water pump 17 extracts the demolding agent in the inner chamber of link strip 9, enters into link pipe 15 and atomizing nozzle 16 through metal hose 18, to be able to when movable mould 4 is close to fixed mould 5, the inner groove of fixed mould 5 and movable mould 4 is sprayed, and the fixed connection of water pump 17 output has link pipe 15, and the bottom end both sides of link pipe 15 are fixedly connected with atomizing nozzle 16, and the input of water pump 17 is fixedly connected with metal hose 18, and metal hose 18 communicates with the inside of link strip 9, and the upper end of link strip 9 is provided with through hole, and the plug 22 is inserted in the through hole.

[0019] Wherein, the bottom end both sides of link strip 9 are fixedly connected with vertical plate 19, and the support rod 21 is fixedly connected between the two vertical plates 19, and the clamping block 20 is sleeved on the support rod 21, and the metal hose 18 is movably inserted into the clamping block 20, and the metal hose 18 is connected to the clamping block 20 through the clamping block 20, which can limit the metal hose 18 and avoid the scattered distribution of the metal hose 18.

[0020] Wherein, the side of the clamping block 20 is in contact with the spring, and the spring is sleeved on one side of the support rod 21, and the spring provides constraint to the clamping block 20, maintains a certain pressure to the clamping block 20, and avoids the scattering of the metal hose 18.

[0021] The fixed frame 1 is provided with a mechanical arm 23 at the bottom side, the mechanical arm 23 is connected with an external power supply, and the program for executing the action is provided with the mechanical arm 23, one end of the mechanical arm 23 is fixedly connected with a scraper 24, the mechanical arm 23 can clean the bottom side of the inner groove of the fixed mold 5 and the movable mold 4, and the release agent automatically falling under the gravity can be handled.

[0022] The top plate 25 is fixedly connected with the scraper 24, the top plate 25 is in a triangular structure, the top plate 25 can extrude the push plate 6 and make the spring rod 5 contract when the scraper 24 is deeply inserted into the inner groove of the movable mold 4, so that the cleaning effect is improved.

[0023] Working principle: the movable mold 4 on the injection molding machine gradually approaches under the stretching of the hydraulic push rod 3, then the first screw rod 11 rotates, the moving frame 12 is lowered, the atomizing nozzle 16 corresponds to the inner groove of the movable mold 4 and the fixed mold 5, then the water pump 17 extracts the release agent in the connecting strip 9 and sprays the release agent to the inner groove of the movable mold 4 and the fixed mold 5 through the atomizing nozzle 16, at this time, the second motor drives the second screw rod 13 to rotate, the second sliding block 14 is moved, the first motor and the first screw rod 11 are matched, and the movable spraying is carried out, after the spraying is completed, in order to avoid that the release agent is accumulated at the bottom side of the inner groove under the gravity, the scraper 24 is contacted and scraped to the inner groove of the movable mold 4 and the fixed mold 5 in the form of automatic rotation of the mechanical arm 23, so that the excess release agent is scraped out, the problems of too much or too little in manual coating are avoided, and the release effect is improved.

[0024] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and decorations can be made without departing from the principle of the present application, and these improvements and decorations should also be regarded as the protection range of the present application.

[0025] Other parts not described in the present application are all prior art, so they are not described here.

[0026] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An auxiliary demolding mechanism for injection molding machines, comprising a fixed frame (1), a fixed mold (2), a hydraulic push rod (3), a moving mold (4), a spring rod (5), a push plate (6), and an injection head (7), characterized in that, A crossbar (8) is fixedly connected to the upper side of the fixed frame (1). A connecting strip (9) is fixedly connected to the crossbar (8). A first bracket is movably inserted into the connecting strip (9), and a connecting plate (10) is fixedly connected to the upper side of the first bracket. A first motor is fixedly connected to the connecting plate (10). A first screw (11) is fixedly connected to the output end of the first motor. The first screw (11) is threadedly connected to the connecting strip (9). The connecting strip (9) is hollow inside. A movable frame (12) is rotatably connected to the bottom end of the first screw (11). A second motor is fixedly connected to one side of the movable frame (12). The output end of the second motor is fixedly connected to a second screw (13), and the second screw (13) is threadedly connected to a second slider (14). The upper end of the second slider (14) is fixedly connected to a water pump (17). The output end of the water pump (17) is fixedly connected to a connecting pipe (15). Both sides of the bottom end of the connecting pipe (15) are fixedly connected to atomizing nozzles (16). The input end of the water pump (17) is fixedly connected to a metal hose (18). The metal hose (18) communicates with the inside of the connecting strip (9). The upper end of the connecting strip (9) is provided with a through hole, and a plug (22) is inserted into the through hole.

2. The auxiliary demolding mechanism for injection molding machine products as described in claim 1, characterized in that, Vertical plates (19) are fixedly connected to both sides of the bottom end of the connecting strip (9), and a support rod (21) is fixedly connected between the two vertical plates (19). A clamp (20) is sleeved on the support rod (21), and the metal hose (18) is movably inserted into the clamp (20).

3. The auxiliary demolding mechanism for injection molding machine products as described in claim 2, characterized in that, One side of the clamp (20) is in contact with a spring, which is sleeved on one side of the support rod (21).

4. The auxiliary demolding mechanism for injection molding machine products as described in claim 1, characterized in that, A robotic arm (23) is provided on the bottom side of the fixed frame (1), and a scraper (24) is fixedly connected to one end of the robotic arm (23).

5. The auxiliary demolding mechanism for injection molding machine products as described in claim 4, characterized in that, A top plate (25) is fixedly connected to the upper side of the scraper (24), and the top plate (25) has a triangular structure.

Citation Information

Patent Citations

  • Product auxiliary demolding mechanism of injection molding machine

    CN222115945U