Height-adjustable plastic support injection mold
By combining the cylinder and connecting rod structure with the sliding connection of the guide bar and rotating ball, the height and tilt of the injection mold can be precisely adjusted, which solves the problems of low mold closing accuracy and safety hazards caused by traditional manual adjustment, and improves product quality and production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-03-27
AI Technical Summary
Traditional injection mold height adjustment relies on manual adjustment, resulting in low mold closing accuracy, safety hazards, and difficulty in achieving precise control, which affects the distribution of plastic melt and product quality.
The system employs a combination of cylinders and connecting rods. By extending and retracting the cylinder output end, combined with the sliding connection of the guide bar and rotating ball, precise adjustment of the mold height and inclination can be achieved. The installation and adjustment of the mold are controlled by a hydraulic cylinder and controller.
It improves the accuracy and safety of injection mold height adjustment, reduces the safety hazards of manual operation, and ensures uniform flow of plastic melt and product quality.
Smart Images

Figure CN224044419U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to injection mold technical field especially, relates to a height adjustable plastic support injection mold. BACKGROUND
[0002] As the core tool in the production of plastic products, injection mold bears the heavy responsibility of shaping the complete form and accurate size of plastic products. The advantages and disadvantages of its design and manufacturing technology are directly related to the final quality, production efficiency and cost control of plastic products. With the wide application of plastic products in the automotive, electronic, medical and other industries, the market's technical requirements for injection mold are increasingly improving, especially in ensuring the clamping precision and optimizing the injection process parameters, which puts forward strict standards.
[0003] In the application of injection mold, clamping precision is one of the important indicators to measure the performance of the mold. The level of clamping precision directly affects the appearance quality, size accuracy and internal structure integrity of the injection product.
[0004] The traditional adjustment method mainly depends on the lifting of the travelling crane and manual adjustment. This operation method not only has low efficiency, but also has great safety hazards. More importantly, due to the limitation of manual adjustment, it is difficult to realize the accurate control of the mold height, which may cause a small gap between the upper and lower molds during clamping, thereby affecting the uniform flow and distribution of the plastic melt, and finally leading to the defects such as flash and material shortage of the product. CONTENT OF THE UTILITY MODEL
[0005] In order to make up for the above shortcomings, the utility model provides a height adjustable plastic support injection mold, which aims to improve the accuracy of height adjustment of injection mold.
[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a height adjustable plastic support injection mold, comprising a mold body, a guide rod slidingly connected to the bottom of the mold body, a guide block fixedly connected to the lower end of the guide rod, a connecting rod fixedly connected to the periphery of the bottom of the mold body, a rotating ball rotatably connected in the connecting rod, an adjusting module slidingly connected in the rotating ball, the adjusting module fixedly connected to the output end of the air cylinder through the lower end of the connecting rod, a lifting ring fixedly connected to the top of the mold body, a clamp arranged on the left side of the mold body, and an injection base arranged on the right side of the mold body.
[0007] Preferably, the adjusting module is a hollow spherical structure, a first circular hole is formed in the lower end of the adjusting module, a cylindrical second circular hole is formed in the lower end of the rotating ball, the diameter of the lower end circular hole of the adjusting module is smaller than the diameter of the rotating ball, and the diameter of the lower end circular hole of the adjusting module is larger than the diameter of the connecting rod.
[0008] Preferably, the inside of the injection base is fixedly connected with a slide rod, the left end of the slide rod is fixedly connected with a base, and the clamp and the slide rod are slidingly connected.
[0009] Preferably, the inside of the base is provided with a hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly arranged at the left side of the clamp.
[0010] Preferably, the front side of the injection base is provided with a controller, the mold body has left and right two blocks, and is in a fitting structure.
[0011] Preferably, the left and right end outer walls of the front and rear sides of the mold body are fixedly connected with protruding plates, the upper and lower sides of the protruding plates are provided with clamping plates, the inside of the clamping plate is provided with a fixed bolt, one end of the fixed bolt at the left side is threadedly connected to the right side of the clamp through the clamping plate, and one end of the fixed bolt at the right side is threadedly connected to the left side of the injection base through the clamping plate.
[0012] Preferably, two round holes are formed in the bottom of the mold body, and the inner wall of the round hole in the bottom of the mold body is slidingly connected to the outer wall of the guide rod.
[0013] Preferably, two fixed plates are arranged in the middle of the front and rear sides of the mold body, the two fixed plates are arranged on the left and right two mold bodies respectively, and the inside of the fixed plate is threadedly connected with a connecting bolt.
[0014] The utility model has the advantages of the following beneficial effects:
[0015] 1. In the utility model, the connecting rod and the rotating ball are rotatably connected, the cylinder and the connecting rod are rotatably connected, the extension and retraction of the output end of the cylinder are realized, the height and the inclination of the mold body in each direction can be adjusted, and the accuracy of the height adjustment of the injection mold is improved.
[0016] 2. In the utility model, the round hole is formed in the bottom of the mold body, the mold body bottom round hole and the guide rod are slidingly connected, the two fixed plates and the connecting bolt are used, and the fitting structure of the two mold bodies is used, so that the safety and efficiency of the height adjustment of the injection mold are improved. DRAWINGS
[0017] Figure 1 A three-dimensional structure schematic view of the height-adjustable plastic support injection mold is provided for the utility model;
[0018] Figure 2 A height-adjustable plastic support injection mold adjustment module structure schematic view is provided for the utility model;
[0019] Figure 3Part structure schematic view of the mold body of the height-adjustable plastic support injection mold is provided.
[0020] Legend:
[0021] 1, base; 2, hydraulic cylinder; 3, clamp; 4, mold body; 5, lifting ring; 6, fixed plate; 7, connecting bolt; 8, protruding plate; 9, injection base; 10, controller; 11, clamping plate; 12, air cylinder; 13, guide block; 14, connecting rod; 15, guide rod; 16, fixing bolt; 17, sliding rod; 18, rotating ball; 19, adjusting module. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the accompanying drawings in the specification of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0023] Reference Figures 1-3 An embodiment provided by the utility model: a height-adjustable plastic support injection mold, comprising a mold body 4, the bottom of the mold body 4 is slidably connected with a guide rod 15, the lower end of the guide rod 15 is fixedly connected with a guide block 13, the bottom of the mold body 4 is fixedly connected with connecting rods 14 around, the connecting rods 14 are rotatably connected with rotating balls 18 inside, the rotating balls 18 are slidably connected with adjusting modules 19 inside, the adjusting modules 19 are fixedly connected to the output end of the air cylinder 12 through the lower end of the connecting rods 14, the top of the mold body 4 is fixedly connected with a lifting ring 5, the left side of the mold body 4 is provided with a clamp 3, and the right side of the mold body 4 is provided with an injection base 9.
[0024] In the embodiment, the height-adjustable plastic support injection mold is provided. Figure 1The front, back, left and right are directions, specifically, the mold body 4 is hoisted into the clamps 3 and the injection base 9 through the lifting ring 5 connected by the crane, the mold body 4 is aligned with the guide rod 15 through the sliding connection of the mold body 4 and the guide rod 15, and in the process of falling down, the output end of the adjusting module 19 of the cylinder 12 is aligned with the rotating ball 18 inside the connecting rod 14 through the sliding connection of the rotating ball 18 and the adjusting module 19, so that the cylinder 12 supports the mold body 4; the connection between the crane and the lifting ring 5 is released, the rotating connection between the connecting rod 14 and the rotating ball 18 is realized, and then the rotating connection between the cylinder 12 and the connecting rod 14 is realized, so that the extension and retraction movement of the output end of the cylinder 12 can be realized, the height and inclination of the mold body 4 in each direction are adjusted, and the injection port on the right side of the mold body 4 is aligned with the injection port of the injection base 9, so that the accuracy of the height adjustment of the mold body 4 is improved.
[0025] Referring to Figures 1-2 , the adjusting module 19 is a hollow spherical structure, the lower end of the adjusting module 19 is provided with a first circular hole, the lower end of the rotating ball 18 is provided with a cylindrical second circular hole, the diameter of the lower end of the adjusting module 19 is smaller than the diameter of the rotating ball 18, and the diameter of the lower end of the adjusting module 19 is larger than the diameter of the connecting rod 14.
[0026] Specifically, the hollow spherical structure inside the adjusting module 19 realizes that the rotating ball 18 can rotate inside the adjusting module 19, and then the connecting rod 14 can rotate to a certain extent along the edge of the circular hole provided at the lower end of the adjusting module 19, so that the support to the mold body 4 is realized, and the inclination can also be adjusted.
[0027] Referring to Figure 1 , the injection base 9 is fixedly connected with a sliding rod 17 inside, the left end of the sliding rod 17 is fixedly connected with a base 1, and the clamps 3 are slidingly connected with the sliding rod 17; specifically, when the mold body 4 needs to be installed, the clamps 3 are slid to the leftmost side through the sliding connection between the clamps 3 and the sliding rod 17, the mold body 4 is hoisted and dropped between the clamps 3 and the injection base 9, and after the mold body 4 is adjusted, the clamps 3 are moved to the right and the mold body 4 is fixed, so that the convenience of installation of the mold body 4 is realized.
[0028] Referring to Figure 1 , the base 1 is provided with a hydraulic cylinder 2 inside, and the output end of the hydraulic cylinder 2 is fixedly arranged on the left side of the clamps 3; when the clamps 3 need to be moved, the left and right movements of the clamps 3 are realized through the extension and retraction of the output end of the hydraulic cylinder 2 on the base 1.
[0029] Referring to Figure 1 , the front side of the injection base 9 is provided with a controller 10, the mold body 4 has left and right two blocks, and the blocks are in a fitting structure.
[0030] Specifically, in the installation and adjustment of the mold body 4, the signals output by the controller 10 realize the control of the hydraulic cylinder 2 and the air cylinder 12, and then realize the left and right movement of the clamp 3 on the slide rod 17, and realize the height adjustment of the mold body 4 through the extension and contraction of the output end of the air cylinder 12; the space between the two mold bodies 4 is the mold cavity, and the flowing plastic is injected into the inside of the two mold bodies 4 through the injection base 9, so that the plastic forms a product shape, realizing the production of plastic support products.
[0031] With reference to Figures 1-3 The left and right end outer walls of the front and rear sides of the mold body 4 are fixedly connected with the protruding plates 8, and the upper and lower sides of the protruding plates 8 are provided with the clamping plates 11. The inside of the clamping plate 11 is provided with the fixed bolts 16. One end of the left fixed bolt 16 is threadedly connected to the right side of the clamp 3 through the clamping plate 11, and one end of the right fixed bolt 16 is threadedly connected to the left side of the injection base 9 through the clamping plate 11.
[0032] Specifically, after the mold body 4 is adjusted, the fixed bolts 16 are threadedly connected to the injection base 9 and the clamp 3 through the clamping plates 11, so that the clamping plates 11 clamp the protruding plates 8 on the side away from the fixed bolts 16, and the fixing of the mold body 4 is completed.
[0033] With reference to Figure 1 Two round holes are formed in the bottom of the mold body 4, and the inner walls of the round holes in the bottom of the mold body 4 are slidably connected to the outer walls of the guide rods 15.
[0034] Specifically, through the sliding connection of the round holes in the bottom of the mold body 4 and the guide rods 15, the mold body 4 does not shake during the descending process, and at the same time, the adjustment module 19 can be aligned with the rotating ball 18 and smoothly slide into the inside of the rotating ball 18.
[0035] With reference to Figure 1 Two fixed plates 6 are arranged in the middle of the front and rear sides of the mold body 4, and the two fixed plates 6 are arranged on the left and right two mold bodies 4, respectively. The inside of the fixed plate 6 is threadedly connected with the connecting bolt 7. When the mold body 4 is installed, the two mold bodies 4 are fixed together through the threaded connection of the connecting bolt 7 and the two fixed plates 6, so as to avoid the separation of the mold body 4 during hoisting and height adjustment, and realize the fixation of the two mold bodies 4.
[0036] Working principle: when installing the mold body 4, the two mold bodies 4 are fixed together through the threaded connection of the connecting bolt 7 and the two fixed plates 6, the output end of the hydraulic cylinder 2 is retracted through the signal output by the controller 10, and the clamp 3 is moved to the left side through the sliding connection of the slide rod 17; the lifting hook connecting ring 5 is connected, the mold body 4 is lifted into the clamp 3 and the injection base 9 by using the crane; the crane is controlled to make the mold body 4 descend, the round hole at the bottom of the mold body 4 is aligned with the guide rod 15, the upper end of the guide rod 15 is slid into the bottom of the mold body 4 through the sliding connection of the mold body 4 and the guide rod 15, the adjusting module 19 is slid into the inside of the rotating ball 18 in the process of descending, and then the air cylinder 12 can support the mold body 4; the connection between the crane and the lifting ring 5 is released, the lifting of the adjusting module 19 is driven through the telescopic movement of the output end of the air cylinder 12, the connecting rod 14 and the rotating ball 18 are lifted in the same direction, the rotating connection between the connecting rod 14 and the rotating ball 18 is realized, the mold body 4 can be lifted in a certain range of different heights in each direction, and then the height and inclination of the mold body 4 are adjusted, so that the accuracy of the height adjustment of the mold body 4 is improved.
[0037] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.
Claims
1. An injection mould for height-adjustable plastic supports, comprising a mould body (4), characterised in that: The bottom of the mold body (4) is slidably connected with a guide rod (15), the lower end of the guide rod (15) is fixedly connected with a guide block (13), the periphery of the bottom of the mold body (4) is fixedly connected with a connecting rod (14), the inside of the connecting rod (14) is rotatably connected with a rotating ball (18), the inside of the rotating ball (18) is slidably connected with an adjusting module (19), the adjusting module (19) is fixedly connected at the output end of the air cylinder (12) through the lower end of the connecting rod (14), the top of the mold body (4) is fixedly connected with an eye ring (5), the left side of the mold body (4) is provided with a clamp (3), and the right side of the mold body (4) is provided with an injection base (9).
2. The height-adjustable plastic support injection mold according to claim 1, wherein: The inside of the adjusting module (19) is a hollow spherical structure, the lower end of the adjusting module (19) is provided with a first circular hole, the lower end of the rotating ball (18) is provided with a cylindrical second circular hole, the diameter of the lower end circular hole of the adjusting module (19) is smaller than the diameter of the rotating ball (18), and the diameter of the lower end circular hole of the adjusting module (19) is greater than the diameter of the connecting rod (14).
3. The height-adjustable plastic support injection mold according to claim 1, wherein: The inside of the injection base (9) is fixedly connected with a sliding rod (17), the left end of the sliding rod (17) is fixedly connected with a base (1), and the clamp (3) and the sliding rod (17) are slidably connected.
4. The height-adjustable plastic support injection mold according to claim 3, wherein: The inside of the base (1) is provided with a hydraulic cylinder (2), and the output end of the hydraulic cylinder (2) is fixedly arranged on the left side of the clamp (3).
5. The height-adjustable plastic holder injection mold according to claim 4, wherein: The front side of the injection base (9) is provided with a controller (10), the mold body (4) has left and right two blocks, and is in a fitting structure.
6. The height-adjustable plastic support injection mold according to claim 1, wherein: The left and right ends of the front and rear sides of the mold body (4) are fixedly connected with protruding plates (8), the upper and lower sides of the protruding plates (8) are provided with clamping plates (11), the inside of the clamping plates (11) is provided with fixed bolts (16), one end of the left fixed bolt (16) is threadedly connected to the right side of the clamp (3) through the clamping plate (11), and one end of the right fixed bolt (16) is threadedly connected to the left side of the injection base (9) through the clamping plate (11).
7. The height-adjustable plastic support injection mold according to claim 1, wherein: Two circular holes are formed in the bottom of the mold body (4), and the inner wall of the bottom circular hole of the mold body (4) is slidably connected to the outer wall of the guide rod (15).
8. The height-adjustable plastic support injection mold according to claim 1, wherein: The middle of the front and rear sides of the mold body (4) is provided with two fixed plates (6), and the two fixed plates (6) are respectively arranged on the left and right two mold bodies (4), and the inside of the fixed plate (6) is threadedly connected with a connecting bolt (7).