Die convenient to quickly lock

Abstract

The utility model discloses a die convenient for quick locking. The die comprises a pressing mechanism and a hydraulic cylinder mounted at the top of the pressing mechanism, an ejection mechanism and a hydraulic telescopic cylinder mounted at the bottom of the ejection mechanism are arranged at the bottom of the pressing mechanism; the pressing mechanism comprises a base, the top of the base is fixedly connected with a support, and the center position of the top of the support is fixedly connected with a hydraulic cylinder; wherein the output end of the hydraulic cylinder penetrates through the support and is fixedly connected with a push plate, the left end and the right end of the push plate are symmetrically and rotationally connected with first connecting rods, and the ends, away from the push plate, of the two first connecting rods are rotationally connected with second connecting rods; one end of the second connecting rod is rotationally connected with the support, the lower mold and the upper mold can be rapidly assembled together through the pressing mechanism, injection molding of the molds is facilitated, parts in the lower mold can be ejected out through the ejection mechanism, and the parts are convenient to take.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a mold which is convenient for quick locking. Background Technique

[0002] A mold is a tool used in industrial production, usually composed of multiple parts, which changes the form of materials through physical means to make products with specific shapes and sizes.

[0003] The published patent No. CN218053531 discloses a secondary forming EVA mold which is convenient for locking. Through the transmission between the knob and the top shaft, two pressure rods will be driven to rotate. At the same time, the two pressure rods will contact the tops of the two blocks and fix the blocks. At this time, the connecting box will be connected to the transmission box, and the locking operation of the upper mold and the lower mold is completed. However, the following problems still exist in the actual use of this patent:

[0004] Although the secondary forming EVA mold which is convenient for locking drives two pressure rods to rotate through the transmission between the knob and the top shaft. At the same time, the two pressure rods will contact the tops of the two blocks and fix the blocks, completing the locking operation of the upper mold and the lower mold. However, it is not convenient to quickly separate the upper mold and the lower mold after the mold injection molding is completed, which is not conducive to taking the internal parts, thus reducing the working efficiency of the device.

[0005] A mold which is convenient for quick locking is proposed to solve the problems mentioned above. Content of the Utility Model

[0006] The purpose of the utility model is to provide a mold which is convenient for quick locking, so as to solve the problem that at present, through the transmission between the knob and the top shaft, two pressure rods will be driven to rotate. At the same time, the two pressure rods will contact the tops of the two blocks and fix the blocks, completing the locking operation of the upper mold and the lower mold. However, it is not convenient to quickly separate the upper mold and the lower mold after the mold injection molding is completed, which is not conducive to taking the internal parts, thus reducing the working efficiency of the device as mentioned in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solution: A mold which is convenient for quick locking, including a pressing mechanism, and a hydraulic cylinder installed on the top of the pressing mechanism;

[0008] The bottom of the pressing mechanism is provided with an ejecting mechanism, and a hydraulic telescopic cylinder is installed at the bottom of the ejecting mechanism;

[0009] It further includes:

[0010] The pressing mechanism includes a base, the top of the base is fixedly connected with a bracket, and the center position of the top of the bracket is fixedly connected with the hydraulic cylinder;

[0011] Among them, the output end of the hydraulic cylinder penetrates through the bracket and is fixedly connected with a push plate. The left and right ends of the push plate are symmetrically and rotatably connected with first connecting rods, and the ends of the two first connecting rods far away from the push plate are rotatably connected with a second connecting rod;

[0012] Among them, one end of the second connecting rod is rotatably connected with the bracket, and the end of the first connecting rod close to the second connecting rod is rotatably connected with a third connecting rod.

[0013] Preferably, the end of the third connecting rod far away from the first connecting rod is rotatably connected with a movable plate, and both ends of the movable plate are slidably connected with the bracket inside.

[0014] Preferably, the ejecting mechanism includes a bottom plate. The bottom of the bottom plate is fixedly connected with the base, and the top of the bottom plate is fixedly connected with a lower mold.

[0015] Preferably, an upper mold is attached to the top of the lower mold. The top of the upper mold is fixedly connected with a top plate, the top of the top plate is fixedly connected with the movable plate, and an injection molding groove is opened at the central position inside the upper mold.

[0016] Preferably, the central position of the bottom of the base is fixedly connected with a hydraulic telescopic cylinder. The output end of the hydraulic telescopic cylinder penetrates through the bottom plate and is fixedly connected with a movable block.

[0017] Preferably, the central position of the top of the movable block is symmetrically and fixedly connected with first push rods. The tops of the two first push rods are slidably connected with the lower mold. One side of the movable block close to the first push rod is fixedly connected with a second push rod, and the top of the second push rod is slidably connected with the lower mold.

[0018] Preferably, a return spring is sleeved outside the second push rod on one side of the movable block. The bottom of the return spring is attached to the movable block, the top of the return spring is attached to the lower mold, a connecting limit rod is fixedly connected to the side of the lower mold close to the return spring, the top of the connecting limit rod is engaged with the upper mold, and an injection molding model groove is opened at the central position of the top of the lower mold.

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows: For this mold that is convenient for quick locking, by setting a pressing mechanism, the lower mold and the upper mold can be quickly assembled together, facilitating the injection molding of the mold. By setting an ejecting mechanism, the parts in the lower mold can be ejected, facilitating the taking of the parts. The specific content is as follows:

[0020] 1. By setting up a pressing mechanism, the lower mold and the upper mold can be quickly assembled together, facilitating the injection molding of the mold. The hydraulic cylinder drives the push plate to move up and down, and the push plate drives the first connecting rod to move up and down. At the same time, the first connecting rod rotates around the push plate. By using the movement of the first connecting rod, the second connecting rod and the third connecting rod can be driven to rotate around the bracket and the movable plate respectively, so as to drive the movable plate and the upper mold to move up and down along the outside of the bracket. When the second connecting rod and the third connecting rod are in a vertical state, the upper mold and the lower mold are in a fully engaged state, and the assembly of the mold can be completed;

[0021] 2. By setting up an ejection mechanism, the parts in the lower mold can be ejected, facilitating the taking of the parts. The hydraulic telescopic cylinder drives the movable block to move up and down in the lower mold. When the movable block moves upward, the first push rod and the second push rod move upward above the lower mold at the same time, so as to eject the parts in the injection molding groove for easy taking of the parts. When the hydraulic telescopic cylinder resets, the restoring force after the return spring is compressed is used to drive the first push rod and the second push rod to contract into the lower mold, facilitating the next processing of the mold. Description of the Drawings

[0022] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0023] Figure 2 It is a schematic diagram of the separated state structure of the upper mold and the lower mold of the present utility model;

[0024] Figure 3 For the present utility model Figure 1 The enlarged structure schematic diagram of the ejection mechanism;

[0025] Figure 4 For the present utility model Figure 2 The inner wall structure schematic diagram of the lower mold;

[0026] In the figure: 1, pressing mechanism; 101, base; 102, bracket; 103, hydraulic cylinder; 104, push plate; 105, first connecting rod; 106, second connecting rod; 107, third connecting rod; 108, movable plate; 2, ejection mechanism; 201, bottom plate; 202, lower mold; 203, upper mold; 204, top plate; 205, injection groove; 206, hydraulic telescopic cylinder; 207, movable block; 208, first push rod; 209, second push rod; 210, return spring; 211, connecting limit rod; 212, injection molding groove. Detailed Embodiments

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0028] Please refer to Figures 1-4 , the present invention provides a technical solution: a mold that is convenient for quick locking, including a pressing mechanism 1 and a hydraulic cylinder 103 installed on the top of the pressing mechanism 1; a jacking mechanism 2 is arranged at the bottom of the pressing mechanism 1, and a hydraulic telescopic cylinder 206 is installed at the bottom of the jacking mechanism 2; the pressing mechanism 1 includes a base 101, a bracket 102 is fixedly connected to the top of the base 101, the center position of the top of the bracket 102 is fixedly connected to the hydraulic cylinder 103, the output end of the hydraulic cylinder 103 penetrates through the bracket 102 and is fixedly connected to a push plate 104, and the left and right ends of the push plate 104 are symmetrically rotatably connected to a first connecting rod 105. One end of the two first connecting rods 105 away from the push plate 104 is rotatably connected to a second connecting rod 106, and the first connecting rod 105 is driven to move by the push plate 104;

[0029] One end of the second connecting rod 106 is rotatably connected to the bracket 102, a third connecting rod 107 is rotatably connected to the end of the first connecting rod 105 close to the second connecting rod 106, one end of the third connecting rod 107 away from the first connecting rod 105 is rotatably connected to a movable plate 108, and both ends of the movable plate 108 are slidably connected to the bracket 102. When the second connecting rod 106 and the third connecting rod 107 rotate around the bracket 102 and the movable plate 108 respectively, they also rotate around the first connecting rod 105;

[0030] The jacking mechanism 2 includes a bottom plate 201, the bottom of the bottom plate 201 is fixedly connected to the base 101, an upper mold 202 is fixedly connected to the top of the bottom plate 201, a lower mold 203 is attached to the top of the upper mold 202, a top plate 204 is fixedly connected to the top of the upper mold 203, the top of the top plate 204 is fixedly connected to the movable plate 108, and an injection molding groove 205 is provided at the center position inside the upper mold 203. By providing the injection molding groove 205, it is convenient to inject raw materials into the mold;

[0031] The center position at the bottom of the base 101 is fixedly connected to the hydraulic telescopic cylinder 206. The output end of the hydraulic telescopic cylinder 206 penetrates through the bottom plate 201 and is fixedly connected to a movable block 207. Symmetrically and fixedly connected to the center position at the top of the movable block 207 are first push rods 208. The tops of the two first push rods 208 are slidably connected to the lower mold 202. Fixedly connected to one side of the movable block 207 near the first push rod 208 is a second push rod 209. The top of the second push rod 209 is slidably connected to the lower mold 202. By providing the second push rod 209, it is convenient to eject the upper mold 203 that has not been separated from the lower mold 202.

[0032] A return spring 210 is sleeved outside the second push rod 209 on one side of the movable block 207. The bottom of the return spring 210 is in fit connection with the movable block 207, and the top of the return spring 210 is in fit connection with the lower mold 202. Fixedly connected to one side of the lower mold 202 near the return spring 210 is a connecting limit rod 211. The top of the connecting limit rod 211 is in snap connection with the upper mold 203. An injection mold groove 212 is provided at the center position of the top of the lower mold 202. By using the restoring force after the return spring 210 is compressed, the first push rod 208 and the second push rod 209 are driven to contract into the lower mold 202, facilitating the next processing of the mold.

[0033] Working principle: Before using this mold that is convenient for quick locking, it is necessary to first check the overall situation of the device to ensure that it can work normally. According to Figure 1 - Figure 4 As shown in the figure, when it is necessary to inject the mold, first start the hydraulic cylinder 103 to drive the push plate 104 to move downward, which can drive the first connecting rod 105 to move downward. At the same time, the first connecting rod 105 rotates around the push plate 104. By using the movement of the first connecting rod 105, the second connecting rod 106 and the third connecting rod 107 can be driven to rotate around the support 102 and the movable plate 108 respectively, so as to drive the movable plate 108 and the upper mold 203 to move downward along the outside of the support 102. When the second connecting rod 106 and the third connecting rod 107 are in a vertical state, the upper mold 203 and the lower mold 202 are in a completely engaged state, and the assembly of the mold can be completed. Then, the raw material is poured into the injection mold groove 212 from the injection groove 205, and the injection molding operation of the mold can be completed.

[0034] Secondly, when it is necessary to take out the injection-molded parts, first start the hydraulic cylinder 103 to drive the push plate 104 to move upward, so that the upper mold 203 can be separated from the lower mold 202. Then start the hydraulic telescopic cylinder 206 to drive the movable block 207 to move upward in the lower mold 202, which can drive the first push rod 208 and the second push rod 209 to move upward above the lower mold 202 at the same time, so as to eject the parts in the injection mold cavity 212 for easy taking. Then, when the hydraulic telescopic cylinder 206 is reset, the restoring force after the compression of the return spring 210 is used to drive the first push rod 208 and the second push rod 209 to retract into the lower mold 202, which is convenient for the next processing of the mold.

[0035] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A mold that facilitates rapid locking, comprising a pressing mechanism (1), and a hydraulic cylinder (103) mounted on the top of the pressing mechanism (1); The bottom of the pressing mechanism (1) is provided with an ejection mechanism (2) and a hydraulic telescopic cylinder (206) installed at the bottom of the ejection mechanism (2); It is characterized in that Also includes: The pressing mechanism (1) comprises a base (101), the top of the base (101) is fixedly connected to a bracket (102), and the center position of the top of the bracket (102) is fixedly connected to a hydraulic cylinder (103); The output end of the hydraulic cylinder (103) passes through the bracket (102) and is fixedly connected to a push plate (104); the left and right ends of the push plate (104) are symmetrically rotatably connected to first connecting rods (105); and the ends of the two first connecting rods (105) away from the push plate (104) are rotatably connected to second connecting rods (106); One end of the second connecting rod (106) is rotatably connected to the bracket (102), and one end of the first connecting rod (105) close to the second connecting rod (106) is rotatably connected to the third connecting rod (107).

2. A mold for quick locking according to claim 1, characterized in that: One end of the third connecting rod (107) away from the first connecting rod (105) is rotatably connected to a movable plate (108), and the interiors of both ends of the movable plate (108) are slidably connected to the bracket (102).

3. A mold for quick locking according to claim 1, characterized in that: The ejection mechanism (2) comprises a bottom plate (201), the bottom of the bottom plate (201) is fixedly connected to the base (101), and the top of the bottom plate (201) is fixedly connected to a lower mold (202).

4. A mold for quick locking according to claim 3, characterized in that: The top of the lower mold (202) is fittedly connected to the upper mold (203), the top of the upper mold (203) is fixedly connected to the top plate (204), the top of the top plate (204) is fixedly connected to the movable plate (108), and an injection groove (205) is provided at the center of the upper mold (203).

5. The mold for quick locking according to claim 1, characterized in that: The center position of the bottom of the base (101) is fixedly connected to the hydraulic telescopic cylinder (206), and the output end of the hydraulic telescopic cylinder (206) passes through the bottom plate (201) and is fixedly connected to a movable block (207).

6. A mold for quick locking according to claim 5, characterized in that: A first push rod (208) is symmetrically fixedly connected to the center position of the top of the movable block (207), and the top ends of the two first push rods (208) are slidably connected to the lower mold (202). A second push rod (209) is fixedly connected to one side of the movable block (207) close to the first push rod (208), and the top end of the second push rod (209) is slidably connected to the lower mold (202).

7. A mold for quick locking according to claim 6, characterized in that: A return spring (210) is sleeved on the outer side of the second push rod (209) on one side of the movable block (207); the bottom of the return spring (210) is closely connected to the movable block (207); the top of the return spring (210) is closely connected to the lower mold (202); a connecting limit rod (211) is fixedly connected to one side of the lower mold (202) close to the return spring (210); the top of the connecting limit rod (211) is snap-connected to the upper mold (203); and an injection mold groove (212) is provided at the center of the top of the lower mold (202).

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