Quickly replaceable injection mold for processing automobile plastic parts

Abstract

The utility model discloses a quickly replaceable injection mold for processing automobile plastic parts, which relates to the technical field of injection molds and comprises a bottom frame, two symmetrical mold mounting frames are arranged in the bottom frame, mold bodies are arranged on opposite surfaces of the two mold mounting frames, and a mold closing mechanism is arranged between the two mold mounting frames and the bottom frame. And a connecting mechanism is arranged between the mold body and the mold mounting frame. Through the arrangement of the connecting mechanism, when the mold body is assembled and replaced, the mold body is clamped in the mold mounting frame, the insertion block on the surface of the mold body is inserted into the insertion groove of the mold mounting frame, and meanwhile, under the action of the first spring, the limiting toothed plate is pushed to extend out of the limiting groove and be inserted into the clamping groove in the surface of the insertion block; and the mold body can be fixed in the mold mounting frame through the insertion blocks, so that the injection mold is convenient to mount, and the injection mold can be replaced according to the production requirements of different workpieces.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field especially relates to a quick replacement injection mold for automobile plastic parts processing. BACKGROUND

[0002] Automobile parts are each unit constituting automobile parts processing whole and the product serving automobile parts processing, and automobile parts as the basis of automobile industry are the necessary factor of supporting the sustained and healthy development of automobile industry, and will use injection mold when producing automobile plastic parts.

[0003] The patent document with the publication number CN219405226U discloses a quick cooling injection mold for automobile plastic parts production, which comprises a workbench, two support plates are fixedly connected to the top of the workbench, a hydraulic cylinder is installed through the opposite side of each support plate, a mold frame is fixedly connected to the output end of the hydraulic cylinder through the support plate, and an installation mechanism is arranged in the inner cavity of the mold frame.

[0004] The injection mold in the above scheme is integrally welded with the mold frame, which leads to the fact that the scheme can only produce the same type of workpiece during actual use, and cannot replace different types of injection molds according to different types of workpieces, thereby reducing the practicability of the injection mold. UTILITY MODEL CONTENTS

[0005] The utility model discloses a quick replacement injection mold for automobile plastic parts processing, which aims to solve the technical problem of inconvenient quick replacement of the existing injection mold.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A kind of quick replacement injection mold for automobile plastic parts processing, including bottom frame, the inside of bottom frame is provided with two symmetrical mold installation frames, the opposite surface of two mold installation frames is provided with mold body, and mold closing mechanism is arranged between two mold installation frames and bottom frame, and connecting mechanism is arranged between mold body and mold installation frame;

[0008] The connecting mechanism comprises two plug blocks symmetrically fixed on the surface of the mold body, the inner front wall and the inner rear wall of the mold mounting frame are both provided with plug slots matched with the plug blocks, the inner top wall of the plug slot is provided with a limiting slot, a limiting tooth plate is arranged in the limiting slot, the upper surface of the plug block is provided with a clamping slot matched with the limiting tooth plate, the upper surface of the mold mounting frame is provided with a sliding opening penetrating into the limiting slot, the upper end of the limiting tooth plate is fixedly connected with a pull rod through the sliding opening, and the surface of the pull rod in the limiting slot is sleeved with a first spring.

[0009] In a preferred scheme, the upper surface of the right mold body is embedded with a feeding pipe, and the upper surface of the left mold body is provided with a pipe slot matched with the feeding pipe.

[0010] In a preferred scheme, the inner wall of the mold mounting frame is provided with an installation sliding hole penetrating through, and a resisting rod is slidably connected to the inner wall of the installation sliding hole.

[0011] Through the arrangement of the resisting rod and the resisting block, the mold body of different shapes can be abutted, and the firmness of the mold body after being connected to the mold mounting frame is improved.

[0012] In a preferred scheme, the number of the installation sliding holes is several, the several installation sliding holes are divided into several groups, and the several groups of installation sliding holes are equidistantly arranged on the inner wall of the mold mounting frame.

[0013] In a preferred scheme, the mold closing mechanism comprises a motor fixedly installed on the right surface of the bottom frame, the output shaft of the motor extends into the interior of the bottom frame and is fixedly connected with a bidirectional threaded rod, and the surface of the bidirectional threaded rod is threadedly connected with two symmetrical moving plates.

[0014] In a preferred scheme, the front surface and the back surface of the moving plate are both provided with a guide sliding block, and the inner front wall and the inner rear wall of the bottom frame are both provided with a guide sliding groove for the sliding of the guide sliding block.

[0015] Through the arrangement of the guide sliding block, the moving plate can drive the mold mounting frame to move directionally under the guidance of the guide sliding block through the rotation of the bidirectional threaded rod.

[0016] In a preferred scheme, the front surface of the bottom frame is fixedly installed with a fan, the output shaft of the fan is provided with a three-way pipe, and the other two ends of the three-way pipe away from the fan extend into the interiors of the two mold mounting frames.

[0017] In a preferred scheme, the other two ends of the three-way pipe away from the fan are made of flexible hose material, and the back of the mold mounting frame is provided with air outlet openings.

[0018] Through the setting of the fan and the air outlet openings, the mold body in the mold mounting frame can be cooled by blowing, and the cooling speed of the workpiece inside the mold body can be accelerated.

[0019] As can be seen from the above, the quick-replaceable injection mold for automobile plastic part processing has the following technical effects.

[0020] Firstly, when assembling and replacing the mold body, the mold body is clamped in the mold mounting frame, the insertion block on the surface of the mold body is inserted into the insertion slot of the mold mounting frame, at the same time, under the action of the first spring, the limiting tooth plate is pushed out of the limiting slot and inserted into the clamping groove on the surface of the insertion block, so that the mold body can be fixed in the mold mounting frame through the insertion block, and the installation is convenient, so that the injection mold can replace the mold according to the needs of different workpiece production.

[0021] Secondly, under the action of the second spring, the push rod drives the abutting block to abut against the surface of the mold body of different shapes, and under the pressing of the abutting blocks, the stability of the connection between the mold body of different shapes and the mold mounting frame can be improved, and the shaking caused by the floating of the mold body can be avoided.

[0022] Thirdly, the operation of the motor drives the bidirectional threaded rod to rotate, and the two moving plates drive the two mold mounting frames to move close to each other under the rotation of the bidirectional threaded rod, until the two mold bodies are closed, at this time, the hot melt material can be injected into the mold body through the feeding pipe for injection molding production, and during this period, the operation of the fan blows air into the two mold mounting frames through the three-way pipe, which can reduce the temperature of the mold body and improve the cooling speed of the hot melt material in the mold body, so that the hot melt material can quickly enter the next process, and the production efficiency of the injection mold is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The utility model provides a kind of three-dimensional structure schematic diagram of injection mold for automobile plastic accessory processing of quick replacement proposed by the utility model.

[0024] Figure 2 The utility model provides a kind of three-dimensional structure schematic diagram of injection mold for automobile plastic accessory processing of quick replacement proposed by the utility model.

[0025] Figure 3 The utility model provides a kind of three-dimensional structure schematic diagram of injection mold for automobile plastic accessory processing of quick replacement proposed by the utility model. Figure 2 The utility model provides a kind of three-dimensional structure schematic diagram of injection mold for automobile plastic accessory processing of quick replacement proposed by the utility model.

[0026] Figure 4 The utility model provides a kind of automobile plastic accessory processing is used to the plug-in block rear section structure schematic diagram of quick replaceable injection mold.

[0027] Figure 5 The utility model provides a kind of automobile plastic accessory processing is used to the Figure 4 The enlarged structure schematic diagram of middle B.

[0028] Figure 6 The utility model provides a kind of automobile plastic accessory processing is used to the base elevation section structure schematic diagram of quick replaceable injection mold.

[0029] Figure 7 The utility model provides a kind of automobile plastic accessory processing is used to the mold mounting frame side view structure schematic diagram of quick replaceable injection mold.

[0030] Figure 8 The utility model provides a kind of automobile plastic accessory processing is used to the mold mounting frame side section structure schematic diagram of quick replaceable injection mold.

[0031] In the drawing: 1, bottom frame;2, mold mounting frame;3, mold body;4, plug-in block;5, limit toothed plate;6, pull rod;7, first spring;8, feed pipe;9, abutment rod;10, abutment block;11, second spring;12, motor;13, bidirectional screw rod;14, moving plate;15, guide sliding block;16, fan;17, tee pipe. Specific implementation

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0033] Refer to Figures 1-8 A kind of quick replaceable injection mold for automobile plastic accessory processing, including bottom frame 1, the inside of bottom frame 1 is provided with two symmetrical mold mounting frames 2, the opposite face of two mold mounting frames 2 is provided with mold body 3, and mold mounting frame 2 is provided with mold closing mechanism between two mold mounting frames 2 and bottom frame 1, and connection mechanism is provided between mold body 3 and mold mounting frame 2.

[0034] The connecting mechanism comprises two plug blocks 4 fixedly installed on the surface of the mold body 3 in symmetry, the inner front wall and the inner rear wall of the mold mounting frame 2 are both provided with plug slots matched with the plug blocks 4, the inner top wall of the plug slot is provided with a limiting slot, a limiting tooth plate 5 is arranged in the limiting slot, the upper surface of the plug block 4 is provided with a clamping groove matched with the limiting tooth plate 5, the upper surface of the mold mounting frame 2 is provided with a sliding opening penetrating into the limiting slot, and the upper end of the limiting tooth plate 5 is fixedly connected with a pull rod 6 through the sliding opening.

[0035] The upper surface of the right mold body 3 is embedded with a feeding pipe 8, and the upper surface of the left mold body 3 is provided with a pipe groove matched with the feeding pipe 8.

[0036] Referring to Figure 2 , Figure 3 and Figure 7 , in a preferred embodiment, the inner wall of the mold mounting frame 2 is provided with a mounting sliding hole penetratingly, the inner wall of the mounting sliding hole is slidably connected with an abutting rod 9, one end of the abutting rod 9 located in the interior of the mold mounting frame 2 is rotatably connected with an abutting block 10 through a universal ball shaft, the surface of the abutting rod 9 is fixedly connected with a mounting ring plate, the surface of the abutting rod 9 is sleeved with a second spring 11, and the two ends of the second spring 11 are fixedly connected with the inner wall of the mold mounting frame 2 and the surface of the mounting ring plate respectively.

[0037] The number of the mounting sliding holes is several, the several mounting sliding holes are divided into several groups, and the several groups of mounting sliding holes are equidistantly arranged on the inner wall of the mold mounting frame 2.

[0038] Through the arrangement of the abutting rod 9 and the abutting block 10, the mold body 3 of different shapes can be abutted, and the firmness of the mold body 3 after being connected with the mold mounting frame 2 is improved.

[0039] Referring to Figure 2 and Figure 6 , in a preferred embodiment, the mold closing mechanism comprises a motor 12 fixedly installed on the right surface of the bottom frame 1, the output shaft of the motor 12 extends to the interior of the bottom frame 1 and is fixedly connected with a bidirectional threaded rod 13, the surface of the bidirectional threaded rod 13 is threadedly connected with two symmetrical moving plates 14, and the upper surfaces of the two moving plates 14 are fixedly connected with the lower surfaces of the two mold mounting frames 2 respectively.

[0040] The front surface and the back surface of the moving plate 14 are both provided with a guide sliding block 15, the inner front wall and the inner rear wall of the bottom frame 1 are both provided with guide sliding grooves for the sliding of the guide sliding blocks 15, and under the guidance of the guide sliding blocks 15, the moving plate 14 can drive the mold mounting frame 2 to move directionally through the rotation of the bidirectional threaded rod 13.

[0041] Referring to Figure 1And Figure 8 In a preferred embodiment, the front surface of the bottom frame 1 is fixedly installed with a fan 16, and the output shaft of the fan 16 is provided with a three-way pipe 17, and the other two ends of the three-way pipe 17 away from the fan 16 extend into the interiors of the two mold mounting frames 2, respectively.

[0042] The other two ends of the three-way pipe 17 away from the fan 16 are made of flexible hose material, and the back surface of the mold mounting frame 2 is provided with an air outlet, and through the arrangement of the fan 16 and the air outlet, the mold body 3 in the mold mounting frame 2 can be blown and cooled, and the cooling speed of the workpiece in the mold body 3 can be accelerated.

[0043] Working principle: when assembling and replacing the mold body 3, the mold body 3 is clamped in the mold mounting frame 2, the plug block 4 on the surface of the mold body 3 is inserted into the plug slot of the mold mounting frame 2, at the same time, under the action of the first spring 7, the limiting tooth plate 5 is pushed out of the limiting groove and inserted into the clamping groove on the surface of the plug block 4, that is, the mold body 3 is fixed in the mold mounting frame 2 through the plug block 4, which is convenient to install, and under the action of the second spring 11, the abutting block 10 is driven by the abutting rod 9 to abut on the surface of the mold body 3 of different shapes, and under the abutting pressure of the abutting blocks 10, the stability of the connection between the mold body 3 of different shapes and the mold mounting frame 2 can be improved, and the shaking caused by the floating of the mold body 3 can be avoided, when the mold is closed and injection molded, the operation of the motor 12 drives the bidirectional threaded rod 13 to rotate, and the two moving plates 14 drive the two mold mounting frames 2 to move close to each other under the rotation of the bidirectional threaded rod 13, until the two mold bodies 3 are closed, at this time, the hot melt material can be injected into the mold body 3 through the feeding pipe 8 for injection molding production, and during this period, the fan 16 blows air into the two mold mounting frames 2 through the three-way pipe 17, which can reduce the temperature of the mold body 3 and improve the cooling speed of the hot melt material in the mold body 3.

[0044] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. The substitution can be a partial structure, device, method step substitution, or a complete technical solution. According to the technical solution and the utility model concept of the present application, equivalent substitution or change should be covered within the protection scope of the present application.

Claims

1. A quick-change injection mold for processing automotive plastic parts, characterized in that, Includes a base frame (1), inside which are two symmetrical mold mounting frames (2), on opposite sides of the two mold mounting frames (2) are mold bodies (3), between the two mold mounting frames (2) and the base frame (1) is a mold closing mechanism, and between the mold body (3) and the mold mounting frame (2) is a connecting mechanism. The connecting mechanism includes two symmetrical inserts (4) fixedly installed on the surface of the mold body (3). The inner front wall and inner rear wall of the mold mounting frame (2) are provided with slots that are compatible with the inserts (4). The inner top wall of the slot is provided with a limiting groove. A limiting tooth plate (5) is provided inside the limiting groove. The upper surface of the insert (4) is provided with a slot that is compatible with the limiting tooth plate (5). The upper surface of the mold mounting frame (2) is provided with a sliding opening that extends through the limiting groove. The upper end of the limiting tooth plate (5) is fixedly connected to a pull rod (6) through the sliding opening. The surface of the pull rod (6) located inside the limiting groove is fitted with a first spring (7). The upper and lower ends of the first spring (7) are fixedly connected to the inner top wall of the limiting groove and the upper end of the limiting tooth plate (5), respectively.

2. The quick-change injection mold for processing automotive plastic parts according to claim 1, characterized in that, The upper surface of the mold body (3) on the right is provided with a feed pipe (8), and the upper surface of the mold body (3) on the left is provided with a groove that is compatible with the feed pipe (8).

3. The quick-change injection mold for processing automotive plastic parts according to claim 1, characterized in that, The inner wall of the mold mounting frame (2) is provided with a mounting sliding hole. A stop rod (9) is slidably connected to the inner wall of the mounting sliding hole. One end of the stop rod (9) located inside the mold mounting frame (2) is rotatably connected to a stop block (10) through a universal ball shaft. A mounting ring plate is fixedly connected to the surface of the stop rod (9). A second spring (11) is sleeved on the surface of the stop rod (9). The two ends of the second spring (11) are fixedly connected to the inner wall of the mold mounting frame (2) and the surface of the mounting ring plate, respectively.

4. The quick-change injection mold for processing automotive plastic parts according to claim 3, characterized in that, The number of mounting sliding holes is several, and the several mounting sliding holes are divided into several groups, and the several groups of mounting sliding holes are equally spaced on the inner wall of the mold mounting frame (2).

5. The quick-change injection mold for processing automotive plastic parts according to claim 1, characterized in that, The mold closing mechanism includes a motor (12) fixedly installed on the right side surface of the base frame (1). The output shaft of the motor (12) extends into the interior of the base frame (1) and is fixedly connected to a bidirectional threaded rod (13). The surface of the bidirectional threaded rod (13) is threadedly connected to two symmetrical sliding plates (14). The upper surfaces of the two sliding plates (14) are fixedly connected to the lower surfaces of the two mold mounting frames (2) respectively.

6. A quick-change injection mold for processing automotive plastic parts according to claim 5, characterized in that, The front and back sides of the moving plate (14) are provided with guide sliders (15), and the inner front wall and inner rear wall of the bottom frame (1) are provided with guide grooves for the guide sliders (15) to slide.

7. A quick-change injection mold for processing automotive plastic parts according to claim 1, characterized in that, A fan (16) is fixedly installed on the front of the bottom frame (1). The output shaft of the fan (16) is provided with a three-way pipe (17). The other two ends of the three-way pipe (17) away from the fan (16) extend into the interior of the two mold mounting frames (2).

8. A quick-change injection mold for processing automotive plastic parts according to claim 7, characterized in that, The other two ends of the three-way pipe (17) away from the fan (16) are made of flexible hose material, and an exhaust port is opened through the back of the mold mounting frame (2).

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