Injection mold convenient to replace

By setting up an installation structure in the base of the injection mold, the mold body is easily installed and disassembled, solving the problem of difficult lines replacement of existing injection molds when dealing with special-shaped products, improving production efficiency and reducing costs.

CN222495206UActive Publication Date: 2025-02-18KUNSHAN HONGCHENG PLASTIC CO LTD
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Patent Information

Application Number
CN202421282359.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-06
Publication Date
2025-02-18
Estimated Expiration
2034-06-06

AI Technical Summary

Technical Problem

When handling special-shaped products, existing injection molds are difficult to replace, resulting in high cost and low efficiency.

Method used

An injection mold that is easy to replace is designed. By setting up an installation structure in the base, including a slide groove, a connecting rod, a spring and a button, the mold body is easily installed and disassembled.

Benefits of technology

Through this design, users can quickly replace molds, reducing replacement costs and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222495206U_ABST
    Figure CN222495206U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of injection molds, in particular to an injection mold convenient to replace. Comprising a base, a mold body is arranged in the base, a mounting structure is arranged in the base and comprises two sliding grooves, the two sliding grooves are formed in the base, a button is slidably connected to the inner wall of the base, connecting rods are slidably connected to the interiors of the sliding grooves, and the connecting rods are fixedly connected with the button. Notches are formed in the two sides of the mold body correspondingly, shaft rods are fixedly connected into the notches, connecting blocks are rotatably connected to the arc surfaces of the shaft rods, two connecting grooves are formed in the inner wall of the base, the connecting grooves are connected with the lower ends of the connecting blocks in a clamped mode, springs are arranged in the notches, and the springs are connected with the connecting blocks in a clamped mode. The two ends of the spring are fixedly connected with the upper end of the connecting block and the notch respectively. The injection mold convenient to replace has the advantage that the mold body can be conveniently mounted, dismounted or replaced.
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Description

Technical Field

[0001] The utility model relates to the field of injection molds, in particular to an injection mold which is easy to replace. Background Art

[0002] An injection mold is composed of a base and a mold body. It is a device used to produce tools or objects and is more common in daily life.

[0003] Prior art, such as the utility model with announcement number CN207789608U, discloses an injection mold, which uses an upper mold and a lower mold; the upper mold is provided with a cylindrical upper mold core, the upper mold core includes a core body and a support tube sleeved outside the core body; the core body includes a pair of molding components and a pair of support components, the support components are spiral arc sheets, and the inner surface of the molding components is smooth; the molding components are spiral arc strips, and the inner surface of the molding components is provided with a casting surface matching the spiral groove of the product; the molding components and the support components are spirally matched and connected to form a cylindrical The lower mold is provided with a cylindrical lower mold core extending upward, the lower mold core and the cavity of the core body correspond to each other, and the gap formed between the outer contour of the lower mold core and the inner contour of the cavity of the core body is the casting space, which solves the problem that the existing injection molding production line is already very efficient, but for some special-shaped products, such as molds with spiral rising stripes on the outer surface, the existing injection molding production equipment is still quite backward, each pattern forms a separate mold, and changing a pattern requires re-opening the mold, which is costly and inefficient.

[0004] The inventors have discovered in their daily work that in the process of using injection molds, there is a problem that because there are too many types of existing injection molds, they need to be used as a whole when in use, resulting in users being unable to replace the internal injection molds.

[0005] Therefore, it is necessary to provide a new injection mold that is easy to replace to solve the above-mentioned technical problems. Utility Model Content

[0006] The utility model aims to solve the shortcoming in the prior art that it is difficult to replace the injection mold, and proposes an injection mold which is easy to replace.

[0007] In order to solve the above technical problems, the utility model provides an injection mold that is easy to replace, including: a base, a mold body is arranged inside the base, a mounting structure is arranged inside the base, the mounting structure includes two slide grooves, the two slide grooves are opened on the base, the inner wall of the base is slidably connected with a button, the inner part of the slide groove is slidably connected with a connecting rod, the connecting rod is fixedly connected to the button, notches are arranged on both sides of the mold body, the inner part of the notch is fixedly connected with an axle rod, the arc surface of the axle rod is rotatably connected with a connecting block, the inner wall of the base is provided with two connecting grooves, the connecting groove is clamped with the lower end of the connecting block, a spring is arranged inside the notch, and the two ends of the spring are respectively fixedly connected to the upper end of the connecting block and the notch.

[0008] The effect achieved by the above components is: when the mold body needs to be installed, pull the mold body to move, then align the mold body with the base, then press the connecting block to move, the connecting block drives the spring to stretch, and then the mold body is installed in the base, the mold body slides on the inner wall of the base, and after moving to the appropriate position, the spring contracts to drive the connecting block to be stuck in the connecting groove. When the mold body needs to be disassembled, press the button to drive the connecting rod to slide on the inner wall of the slide groove, and then the connecting rod pushes the connecting block to move, the connecting block is separated from the connecting groove, and then the mold body is taken out.

[0009] Preferably, a tension spring is provided inside the slide slot, and two ends of the tension spring are fixedly connected to the button and the slide slot respectively.

[0010] The effect achieved by the above components is that when the button is pressed, the button drives the tension spring to contract, and after use, the button is released to stretch the tension spring to drive the button to reset.

[0011] Preferably, the arc surface of the button is provided with a plurality of auxiliary grooves, and the plurality of auxiliary grooves are evenly distributed on the button.

[0012] The effect achieved by the above components is that the auxiliary groove can increase the friction between the hand and the button to avoid slipping when pressing the button.

[0013] Preferably, the button is made of plastic, and the cross-section of the button is circular.

[0014] Preferably, two auxiliary structures are provided on the upper surface of the mold body, and the auxiliary structure includes a placement groove, which is opened on the mold body. A rotating rod is rotatably connected inside the placement groove, and a fixing rod is fixedly connected to the arc surface of the fixing rod, and a handle is fixedly connected to one end of the fixing rod away from the fixing rod.

[0015] The effect achieved by the above components is: when the mold needs to be replaced, pull the handle to move it, the handle drives the fixed rod to move, the fixed rod drives the rotating rod to rotate, the shaft rod rotates on the inner wall of the placement groove, and after rotating to the appropriate position, pull the handle upward, and then drive the mold body and the base to separate.

[0016] Preferably, the arc surfaces at both ends of the rotating rod are sleeved with coil springs, and the two ends of the coil spring are fixedly connected to the placement slot and the fixing rod respectively.

[0017] The effect achieved by the above components is that when the fixing rod is pulled, the fixing rod drives the coil spring to contract, and after use, the fixing rod coil spring is released to stretch and drive the fixing rod to reset.

[0018] Preferably, the arc surfaces at both ends of the handle are fixedly connected with anti-slip rings, and the anti-slip rings are rubber rings.

[0019] The effect achieved by the above components is that the anti-slip ring can increase the friction between the hand and the handle to prevent slipping when pulling the handle.

[0020] Compared with the related art, the utility model provides an injection mold that is easy to replace and has the following advantages:

[0021] Beneficial effects:

[0022] The utility model provides an injection mold which is easy to replace. When the mold body needs to be installed, the mold body is pulled to move, and then the mold body is aligned with the base, and then the connecting block is pressed to move, the connecting block drives the spring to stretch, and then the mold body is installed in the base, and the mold body slides on the inner wall of the base. After moving to a suitable position, the spring contracts and drives the connecting block to be stuck in the connecting groove. When the mold body needs to be disassembled, the button is pressed to drive the connecting rod to slide on the inner wall of the slide groove, and then the connecting rod pushes the connecting block to move, the connecting block is separated from the connecting groove, and then the mold body is taken out, wherein the button drives the tension spring to contract when the button is pressed, and after use, the button is released and the tension spring is stretched to drive the button to reset, the auxiliary groove can increase the friction between the hand and the button to avoid sliding when the button is pressed, and the installation structure is provided to achieve the effect of convenient installation, disassembly or replacement of the mold body.

[0023] When the mold needs to be replaced, pull the handle to move it, the handle drives the fixed rod to move, the fixed rod drives the rotating rod to rotate, the shaft rod rotates on the inner wall of the placement groove, and after rotating to the appropriate position, pull the handle upward, and then drive the mold body and the base to separate. When pulling the fixed rod, the fixed rod drives the coil spring to contract. After use, release the fixed rod coil spring to stretch and drive the fixed rod to reset. The anti-slip ring can increase the friction between the hand and the handle. By setting the auxiliary structure, the effect of facilitating the removal of the mold body is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the structure of an injection mold that is easy to replace provided by the utility model;

[0025] Figure 2 for Figure 1 The installation structure diagram shown;

[0026] Figure 3 for Figure 2 The enlarged view of point A is shown;

[0027] Figure 4 for Figure 2 The enlarged view of point B is shown;

[0028] Figure 5 for Figure 1 Schematic diagram of the auxiliary structure shown.

[0029] Numbers in the figure: 1. base; 2. mold body; 3. mounting structure; 301. notch; 302. connecting groove; 303. connecting block; 304. shaft; 305. button; 306. slide groove; 307. tension spring; 308. connecting rod; 309. spring; 310. auxiliary groove; 4. auxiliary structure; 41. placement groove; 42. fixing rod; 43. rotating rod; 44. coil spring; 45. handle; 46. anti-slip ring. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0031] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0032] See also Figures 1 to 5The utility model provides an easily replaceable injection mold, comprising: a base 1, a mold body 2 is arranged inside the base 1, a mounting structure 3 is arranged inside the base 1, and two auxiliary structures 4 are arranged on the upper surface of the mold body 2.

[0033] In the embodiments of the present invention, please refer to Figure 1 and Figure 2 The mounting structure 3 includes two slide grooves 306, which are provided on the base 1. A button 305 is slidably connected to the inner wall of the base 1. A connecting rod 308 is slidably connected inside the slide groove 306. The connecting rod 308 is fixedly connected to the button 305. Slots 301 are provided on both sides of the mold body 2. A shaft rod 304 is fixedly connected inside the slot 301. The arc surface of the shaft rod 304 is rotatably connected to the connecting block 303. Two connecting grooves 302 are provided on the inner wall of the base 1. The connecting groove 302 is clamped with the lower end of the connecting block 303. A spring 309 is arranged inside the slot 301. The two ends of the spring 309 are fixedly connected to the upper end of the connecting block 303 and the slot 301 respectively. When the mold body 2 needs to be installed, the mold body 2 is pulled to move, and then the mold body 2 is aligned with the base 1, and then the connecting block 303 is pressed to move, and the connecting block 303 drives the spring 309 to stretch, and then the mold body 2 is installed in the base 1, and the mold body 2 slides on the inner wall of the base 1. After moving to the appropriate position, the spring 309 contracts and drives the connecting block 303 to be stuck in the connecting groove 302. When the mold body 2 needs to be disassembled, the button 305 is pressed to drive the connecting rod 308 to slide on the inner wall of the slide groove 306, and then the connecting rod 308 pushes the connecting block 303 to move, and the connecting block 303 is separated from the connecting groove 302, and then the mold body 2 is taken out. A tension spring 307 is provided inside the slide groove 306, and the two ends of the tension spring 307 are fixedly connected to the button 305 and the slide groove 306 respectively. When the button 305 is pressed, the button 305 drives the tension spring 307 to contract. After use, the button 305 is released to stretch the tension spring 307 to drive the button 305 to reset. The arc surface of the button 305 is provided with a plurality of auxiliary grooves 310, and the plurality of auxiliary grooves 310 are evenly distributed on the button 305. The auxiliary grooves 310 can increase the friction between the hand and the button 305 to prevent sliding when the button 305 is pressed. The button 305 is made of plastic and has a circular cross section.

[0034] In the embodiments of the present invention, please refer to Figure 1 and Figure 5The auxiliary structure 4 includes a placement groove 41, which is provided on the mold body 2. A rotating rod 43 is rotatably connected inside the placement groove 41. A fixing rod 42 is fixedly connected to the circular arc surface of the rotating rod 43. A handle 45 is fixedly connected to one end of the fixing rod 42 away from the rotating rod 43. When the mold needs to be replaced, the handle 45 is pulled to move, the handle 45 drives the fixing rod 42 to move, the fixing rod 42 drives the rotating rod 43 to rotate, the shaft 304 rotates on the inner wall of the placement groove, and after rotating to a suitable position, the handle 45 is pulled upward, and then the mold body 2 is driven to separate from the base 1. The circular arc surfaces at both ends of the rotating rod 43 are sleeved with coil springs 44, and the two ends of the coil spring 44 are respectively fixedly connected to the placement groove and the fixing rod 42. When the fixing rod 42 is pulled, the fixing rod 42 drives the coil spring 44 to contract. After use, the fixing rod 42 is released to stretch the coil spring 44 to drive the fixing rod 42 to reset. The arc surfaces at both ends of the handle 45 are fixedly connected with anti-slip rings 46, which are rubber rings. The anti-slip rings 46 can increase the friction between the hand and the handle 45 to prevent slipping when the handle 45 is pulled;

[0035] The working principle of an injection mold that is easy to replace provided by the utility model is as follows: the utility model provides an injection mold that is easy to replace. When the mold body 2 needs to be installed, the mold body 2 is pulled to move, and then the mold body 2 is aligned with the base 1, and then the connection block 303 is pressed to move, and the connection block 303 drives the spring 309 to stretch, and then the mold body 2 is installed in the base 1, and the mold body 2 slides on the inner wall of the base 1. After moving to a suitable position, the spring 309 contracts and drives the connection block 303 to snap into the connection groove 302. When the mold body 2 needs to be disassembled, the button 30 is pressed. 5 drives the connecting rod 308 to slide on the inner wall of the slide groove 306, and then the connecting rod 308 pushes the connecting block 303 to move, the connecting block 303 is separated from the connecting groove 302, and then the mold body 2 is taken out, wherein when the button 305 is pressed, the button 305 drives the tension spring 307 to contract, after use, the button 305 is released to stretch the tension spring 307 to drive the button 305 to reset, the auxiliary groove 310 can increase the friction between the hand and the button 305 to avoid sliding when the button 305 is pressed, and by setting the mounting structure 3, the effect of convenient installation, disassembly or replacement of the mold body 2 is achieved.

[0036] When the mold needs to be replaced, pull the handle 45 to move, the handle 45 drives the fixed rod 42 to move, the fixed rod 42 drives the rotating rod 43 to rotate, and the shaft 304 rotates on the inner wall of the placement groove. After rotating to a suitable position, pull the handle 45 upward, and then drive the mold body 2 to separate from the base 1. When pulling the fixed rod 42, the fixed rod 42 drives the coil spring 44 to contract. After use, release the fixed rod 42, the coil spring 44 is stretched to drive the fixed rod 42 to reset. The anti-slip ring 46 can increase the friction between the hand and the handle 45. By setting the auxiliary structure 4, the effect of facilitating the removal of the mold body 2 is achieved.

[0037] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0038] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An injection mold that is easy to replace, characterized in that: include: A base (1), wherein a mold body (2) is arranged inside the base (1), wherein a mounting structure (3) is arranged inside the base (1), wherein the mounting structure (3) comprises two slide grooves (306), wherein the two slide grooves (306) are arranged on the base (1), wherein a button (305) is slidably connected to the inner wall of the base (1), wherein a connecting rod (308) is slidably connected to the inner part of the slide groove (306), wherein the connecting rod (308) is fixedly connected to the button (305), and both sides of the mold body (2) are A notch (301) is provided, a shaft (304) is fixedly connected inside the notch (301), a connecting block (303) is rotatably connected to the arc surface of the shaft (304), two connecting grooves (302) are provided on the inner wall of the base (1), the connecting grooves (302) are snap-fitted to the lower end of the connecting block (303), a spring (309) is provided inside the notch (301), and two ends of the spring (309) are respectively fixedly connected to the upper end of the connecting block (303) and the notch (301).

2. The easily replaceable injection mold according to claim 1, characterized in that: A tension spring (307) is provided inside the slide groove (306), and two ends of the tension spring (307) are fixedly connected to the button (305) and the slide groove (306) respectively.

3. The easily replaceable injection mold according to claim 1, characterized in that: The arc surface of the button (305) is provided with a plurality of auxiliary grooves (310), and the plurality of auxiliary grooves (310) are evenly distributed on the button (305).

4. The easily replaceable injection mold according to claim 1, characterized in that: The button (305) is made of plastic, and the cross section of the button (305) is circular.

5. The easily replaceable injection mold according to claim 1, characterized in that: The upper surface of the mold body (2) is provided with two auxiliary structures (4), and the auxiliary structure (4) includes a placement groove (41). The placement groove (41) is opened on the mold body (2), and a rotating rod (43) is rotatably connected inside the placement groove (41). The arc surface of the rotating rod (43) is fixedly connected to a fixing rod (42), and the end of the fixing rod (42) away from the rotating rod (43) is fixedly connected to a handle bar (45).

6. The easily replaceable injection mold according to claim 5, characterized in that: The arc surfaces at both ends of the rotating rod (43) are sleeved with coil springs (44), and the two ends of the coil spring (44) are respectively fixedly connected to the placement groove and the fixing rod (42).

7. The easily replaceable injection mold according to claim 5, characterized in that: The arc surfaces at both ends of the handlebar (45) are fixedly connected with anti-slip rings (46), and the anti-slip rings (46) are rubber rings.

Citation Information

Patent Citations

  • Injection mold

    CN207789608U