Plastic part injection mold

By setting up plug grooves and limit latches in the injection mold, and sliding the limit latches with the tension of the spring, the problem of waste of raw materials caused by the exhaust grooves is solved, and convenient cleaning of residual materials and stable movement of the equipment is achieved.

CN222271089UActive Publication Date: 2024-12-31NANTONG RUIZHUO MOLDING CO LTD
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Patent Information

Application Number
CN202421017409.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-11
Publication Date
2024-12-31
Estimated Expiration
2034-05-11

AI Technical Summary

Technical Problem

When the existing plastic injection molds are processed, the exhaust tanks can easily extrude and discharge raw materials, affecting product quality and causing waste of raw materials.

Method used

An injection mold including a limiting mechanism, an upper mold mechanism and a fixing mechanism is designed. By setting a plug-in groove and a limiting pin on the top of the lower mold, the limiting pin is slid and pulled out using the tension of the spring to facilitate cleaning of residual materials and through hydraulic pressure. The fit between the rod and the slide rod facilitates the movement and fixation of the device.

Benefits of technology

It effectively avoids the accumulation of residual material in the extrusion tank, improves product quality, simplifies the cleaning process, and improves the stability and easy movement of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of injection molds, and discloses a plastic part injection mold which comprises a limiting mechanism, an upper mold mechanism and a fixing mechanism, the top of the limiting mechanism is provided with the upper mold mechanism, the bottom end of the limiting mechanism is provided with the fixing mechanism, the limiting mechanism comprises a lower mold, the top of the lower mold is provided with an extrusion groove, and the lower mold is provided with an extrusion groove. A fixing plate is inserted into the top of the lower mold; and a fixing hole is formed in the lower mold, a limiting plug pin is inserted into the fixing hole, and a handle is welded to the front end of the limiting plug pin. According to the utility model, the top of the lower die is provided with the insertion groove, so that the internal fixing plate can be pulled out and installed in an insertion manner, and when the lower die and the limiting bolt and the handle in the fixing hole are matched and the handle is subjected to forward tension, the spring at the rear end generates tension, so that the fixing plate can be pulled out and installed. And the limiting bolts are pulled out from the interiors of the lower mold and the fixed plate in a sliding manner.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a plastic part injection mold. Background Art

[0002] Injection molds are an important part of the plastic injection molding process, which is used to produce plastic products of various shapes. The design and manufacture of injection molds are crucial to the quality and production efficiency of the product. Injection molds can range from simple household products to complex automotive parts, covering a wide range of fields and applications.

[0003] Compare authorization number 202320012913.X A plastic part injection mold, comprising a base, an upper mold is fixed on the surface of the base, a hydraulic cylinder is fixed on the surface of the upper mold, a reducer is arranged at the push rod of the hydraulic cylinder, a lower mold is fixedly connected to the outside of the reducer by a nut, a mold cavity is arranged between the upper mold and the lower mold, a stripping assembly is arranged in the lower mold, an exhaust groove is arranged on the surface of the lower mold, an exhaust hole is arranged on the surface of the upper mold, the lower mold is installed through the reducer of the hydraulic cylinder, the upper and lower molds are convenient to install, an exhaust groove structure is designed on the top, and the exhaust is docked. After demolding and separation, the residual material is easy to clean, and further, the exhaust groove and the exhaust hole are interconnected. Further, the stripping assembly comprises a T-pin, a positioning block, and a spring. Further, the T-pin is inserted into the inner surface of the lower mold, the positioning block is fixed to the lower surface of the T-pin, and the spring is sleeved on the outer surface of the T-pin. Furthermore, an injection port is provided on the surface of the upper mold, and the injection port is communicated with the mold cavity. Furthermore, the exhaust groove adopts a triangular groove structure. Furthermore, the exhaust grooves are distributed on both sides at the outer ends of the mold cavity of the lower mold, and the lower mold is installed through the reducer of the hydraulic cylinder. The upper and lower molds are easy to install, and an exhaust groove structure is designed on the top for docking exhaust. After demolding and separation, the residual material is easy to clean.

[0004] The plastic part injection mold is arranged so that the lower mold is installed at the reducer of the hydraulic cylinder. The upper and lower molds are easy to install. The exhaust groove structure is designed on the top, and the exhaust is docked. After demoulding and separation, the remaining material is easy to clean. However, when the exhaust groove is used to process the product, the upper mold and the lower mold are used to extrude the product raw materials, which is easy to extrude and discharge the raw materials from the inside of the discharge groove, affecting the quality of the product during processing and wasting the product raw materials. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a plastic part injection mold.

[0006] The utility model is implemented by the following technical scheme: a plastic part injection mold, comprising a limiting mechanism, an upper mold mechanism and a fixing mechanism, the upper mold mechanism is arranged on the top of the limiting mechanism, the fixing mechanism is arranged on the bottom of the limiting mechanism, the limiting mechanism comprises a lower mold, an extrusion groove is arranged on the top of the lower mold, and a fixing plate is inserted on the top of the lower mold;

[0007] A fixing hole is provided inside the lower mold, a limit pin is inserted inside the fixing hole, a handle is welded at the front end of the limit pin, a spring is fixedly connected to the rear end of the handle, a plug-in groove is provided inside the lower mold, a sliding groove is provided at the bottom of the lower mold, and an adjustment hole is provided at the bottom end of the lower mold.

[0008] Through the above technical solution, the number of the limit pins and springs is set to two, which facilitates the position extension and movement of the limit pin by pulling the handle in coordination with the tension and contraction of the spring.

[0009] As a further improvement of the above scheme, the slide groove and the adjustment hole are symmetrically distributed below the mold with the center, the fixing hole and the limit pin are symmetrically distributed below the mold with the center, and a fixing plate is inserted into the interior of the plug-in groove.

[0010] As a further improvement of the above scheme, the upper mold mechanism includes a support plate, the bottom of the support plate is fixedly connected to a support rod, the top of the support plate is fixedly connected to a hydraulic rod, the bottom of the hydraulic rod is fixedly connected to an upper mold, a sliding rod is welded to the top of the upper mold, and a sleeve is slidably connected to the surface of the sliding rod.

[0011] Through the above technical solution, the number of support rods is set to four.

[0012] As a further improvement of the above solution, the sleeve is fixedly connected to the bottom of the support plate, and the bottom end of the support rod is fixedly connected to the lower mold.

[0013] As a further improvement of the above solution, the fixing mechanism includes a slider, a fixing frame is welded to the bottom of the slider, a limiting rod is threadedly connected to the interior of the fixing frame, and a fixing nut is threadedly connected to the surface of the limiting rod.

[0014] As a further improvement of the above solution, the slider is slidably connected to the inside of the slide groove, the limit rod is threadedly connected to the inside of the adjustment hole, and the slider is slidably connected to the inside of the lower mold.

[0015] Through the above technical solution, the number of fixing nuts and limiting rods is set to four, which is convenient for the staff to fix the entire equipment.

[0016] As a further improvement of the above solution, the limiting rod and the fixing nut are symmetrically distributed with the slider as the center, and the limiting rod is threadedly connected to the inside of the lower mold.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] The utility model provides a plug-in groove on the top of the lower mold, so that the internal fixing plate can be plugged in, pulled out and installed. In cooperation with the limit pin and the handle inside the lower mold and the fixing hole, when the handle is subjected to a forward pulling force, the tension generated by the spring at the rear end slides the limit pin out from the inside of the lower mold and the fixing plate, making it convenient for the staff to pull the fixing plate out from the plug-in groove and the inside of the lower mold, avoiding the staff from cleaning and removing the product residual material accumulated inside the extrusion groove after the product is processed, avoiding the residual material inside the extrusion groove affecting the quality of the secondary processing of the product by the equipment, and bringing convenience for the staff to clean the residual material accumulated inside the product.

[0019] The utility model arranges a hydraulic rod on the top of the support plate to drive the upper mold at the bottom to extend in the direction of the extrusion groove, and can slide in cooperation with the sleeve and the internal sliding rod. By arranging a fixed frame and the internal limiting rod and fixing nut, it is convenient for workers to move the whole equipment to different work locations and ensure the stability when fixing it. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the anatomical structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the disassembly structure of the handle of the utility model;

[0023] Figure 4 This is a schematic diagram of the disassembly structure of the fixed frame of the utility model;

[0024] Figure 5 It is a schematic diagram of the structure of the utility model when viewed from above.

[0025] Description of main symbols:

[0026] 1. Limiting mechanism; 101. Lower mold; 102. Extrusion groove; 103. Fixed plate; 104. Handle; 105. Limiting pin; 106. Spring; 107. Plug-in groove; 108. Slide groove; 109. Adjusting hole; 110. Fixing hole; 2. Upper mold mechanism; 201. Support plate; 202. Support rod; 203. Hydraulic rod; 204. Upper mold; 205. Sleeve; 206. Slide rod; 3. Fixing mechanism; 301. Slider; 302. Fixed frame; 303. Limiting rod; 304. Fixing nut. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment. Example

[0028] Please combine Figure 1-5 A plastic part injection mold of this embodiment includes a limiting mechanism 1, an upper mold mechanism 2 and a fixing mechanism 3. The upper mold mechanism 2 is arranged on the top of the limiting mechanism 1, and the fixing mechanism 3 is arranged on the bottom of the limiting mechanism 1. The limiting mechanism 1 includes a lower mold 101, and an extrusion groove 102 is opened on the top of the lower mold 101. A fixing plate 103 is inserted on the top of the lower mold 101;

[0029] The lower mold 101 is provided with a fixing hole 110 inside, a limit pin 105 is inserted inside the fixing hole 110, a handle 104 is welded to the front end of the limit pin 105, a spring 106 is fixedly connected to the rear end of the handle 104, a plug-in slot 107 is provided inside the lower mold 101, a slide slot 108 is provided at the bottom of the lower mold 101, and an adjustment hole 109 is provided at the bottom end of the lower mold 101. By providing the plug-in slot 107 at the top of the lower mold 101, the internal fixing plate 103 can be plugged in, pulled out and installed. In cooperation with the lower mold 101 and the limit pin 107 inside the fixing hole 110, 5 and handle 104. When the handle 104 is subjected to a forward pulling force, the tension generated by the spring 106 at the rear end is used to slide the limit pin 105 out from the inside of the lower mold 101 and the fixed plate 103, so that the staff can easily pull out the fixed plate 103 from the inside of the plug-in slot 107 and the lower mold 101, thereby avoiding the staff from cleaning and removing the product residue accumulated inside the extrusion slot 102 after the product processing is completed, and avoiding the residue existing inside the extrusion slot 102 to affect the quality of the secondary processing of the product by the equipment, which brings convenience for the staff to clean the residual material accumulated inside the product.

[0030] The number of the limit pin 105 and the spring 106 is set to two, so that the limit pin 105 can be extended and moved by pulling the handle 104 and coordinating the tension and contraction of the spring 106 .

[0031] The slide groove 108 and the adjustment hole 109 are symmetrically distributed around the lower mold 101 , the fixing hole 110 and the limit pin 105 are symmetrically distributed around the lower mold 101 , and the fixing plate 103 is plugged into the plug groove 107 .

[0032] The upper mold mechanism 2 includes a support plate 201, a support rod 202 is fixedly connected to the bottom of the support plate 201, a hydraulic rod 203 is fixedly connected to the top of the support plate 201, an upper mold 204 is fixedly connected to the bottom of the hydraulic rod 203, a slide bar 206 is welded to the top of the upper mold 204, and a sleeve 205 is slidably connected to the surface of the slide bar 206. By setting the hydraulic rod 203 on the top of the support plate 201, the upper mold 204 at the bottom is driven to extend in the direction of the extrusion groove 102, and can slide in cooperation with the sleeve 205 and the internal slide bar 206.

[0033] The number of the support rods 202 is set to four.

[0034] The sleeve 205 is fixedly connected to the bottom of the support plate 201 , and the bottom end of the support rod 202 is fixedly connected to the lower mold 101 .

[0035] The fixing mechanism 3 includes a slider 301, a fixing frame 302 is welded to the bottom of the slider 301, the fixing frame 302 is internally threadedly connected to a limiting rod 303, and the surface of the limiting rod 303 is threadedly connected to a fixing nut 304. By setting the fixing frame 302 and the internal limiting rod 303 and the fixing nut 304, it is convenient for the staff to move the entire equipment to different work locations and ensure stability when fixing it.

[0036] The slider 301 is slidably connected to the inside of the slide groove 108 , the limiting rod 303 is threadedly connected to the inside of the adjustment hole 109 , and the slider 301 is slidably connected to the inside of the lower mold 101 .

[0037] The number of the fixing nuts 304 and the limiting rods 303 is set to four, so that the staff can fix the whole device conveniently.

[0038] The limiting rod 303 and the fixing nut 304 are symmetrically distributed with the slider 301 as the center, and the limiting rod 303 is threadedly connected to the inside of the lower mold 101 .

[0039] The implementation principle of a plastic part injection mold in the embodiment of the present application is as follows: the device is placed in a suitable position, and a plug-in slot 107 is provided on the top of the lower mold 101 so that the internal fixing plate 103 can be plugged in, pulled out and installed. When the lower mold 101 and the limiting latch 105 and the handle 104 inside the fixing hole 110 are matched, when the handle 104 is subjected to a forward pulling force, the tension generated by the spring 106 at the rear end is used to slide the limiting latch 105 out of the lower mold 101 and the fixing plate 103, so that the staff can easily pull out the fixing plate 103 from the plug-in slot 107 and the lower mold 101, avoiding the staff After the product processing is completed, the residual product accumulated inside the extrusion groove 102 is cleaned and removed to avoid the residual product inside the extrusion groove 102 affecting the quality of the secondary processing of the product by the equipment, which brings convenience for the staff to clean the residual product accumulated inside the product. The hydraulic rod 203 on the top of the support plate 201 drives the upper mold 204 at the bottom to extend toward the extrusion groove 102, and can slide with the sleeve 205 and the internal sliding rod 206. The fixed frame 302 and the internal limit rod 303 and the fixing nut 304 are provided to facilitate the staff to move the entire equipment to different work locations and ensure stability when fixing it.

[0040] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A plastic part injection mold, comprising a limiting mechanism (1), an upper mold mechanism (2) and a fixing mechanism (3), wherein the upper mold mechanism (2) is arranged at the top of the limiting mechanism (1), and the fixing mechanism (3) is arranged at the bottom of the limiting mechanism (1), the limiting mechanism (1) comprises a lower mold (101), an extrusion groove (102) is provided at the top of the lower mold (101), and a fixing plate (103) is inserted at the top of the lower mold (101); It is characterized in that A fixing hole (110) is provided inside the lower mold (101), a limit pin (105) is inserted inside the fixing hole (110), a handle (104) is welded to the front end of the limit pin (105), a spring (106) is fixedly connected to the rear end of the handle (104), a plug-in groove (107) is provided inside the lower mold (101), a slide groove (108) is provided at the bottom of the lower mold (101), and an adjustment hole (109) is provided at the bottom end of the lower mold (101).

2. A plastic part injection mold according to claim 1, characterized in that: The slide groove (108) and the adjustment hole (109) are symmetrically distributed below the mold (101) at the center, the fixing hole (110) and the limit pin (105) are symmetrically distributed below the mold (101) at the center, and a fixing plate (103) is inserted into the interior of the insertion groove (107).

3. A plastic part injection mold according to claim 1, characterized in that: The upper die mechanism (2) comprises a support plate (201), the bottom of the support plate (201) is fixedly connected to a support rod (202), the top of the support plate (201) is fixedly connected to a hydraulic rod (203), the bottom of the hydraulic rod (203) is fixedly connected to an upper die (204), the top of the upper die (204) is welded with a sliding rod (206), and the surface of the sliding rod (206) is slidably connected to a sleeve (205).

4. A plastic part injection mold according to claim 3, characterized in that: The sleeve (205) is fixedly connected to the bottom of the support plate (201), and the bottom end of the support rod (202) is fixedly connected to the lower mold (101).

5. A plastic part injection mold according to claim 1, characterized in that: The fixing mechanism (3) comprises a slider (301), a fixing frame (302) is welded to the bottom of the slider (301), a limiting rod (303) is internally threadedly connected to the fixing frame (302), and a fixing nut (304) is threadedly connected to the surface of the limiting rod (303).

6. A plastic part injection mold according to claim 5, characterized in that: The slider (301) is slidably connected inside the slide groove (108), the limit rod (303) is threadedly connected inside the adjustment hole (109), and the slider (301) is slidably connected inside the lower mold (101).

7. A plastic part injection mold according to claim 6, characterized in that: The limiting rod (303) and the fixing nut (304) are symmetrically distributed with the slider (301) as the center, and the limiting rod (303) is threadedly connected to the inside of the lower mold (101).