Plastic mold with limiting structure
By introducing clamping and limiting components into the plastic mold, and utilizing the cooperation of hydraulic cylinders and limiting rods, the problem of cumbersome mold disassembly is solved, and the mold can be quickly disassembled and assembled and stably connected.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-03-24
AI Technical Summary
The existing plastic molds are cumbersome to disassemble and install, resulting in low work efficiency.
The device employs clamping and limiting components, utilizes a hydraulic cylinder to drive a hook plate to clamp the mold, and uses a limiting rod and threaded groove to fix the mold position, simplifying the assembly and disassembly process.
It enables rapid assembly and disassembly of molds, improves work efficiency, and ensures the molds are in a stable position.
Smart Images

Figure CN224028131U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to plastic mould technical field, concretely is a plastic mould with limit structure. BACKGROUND
[0002] The mould is a tool for shaping articles, the tool is composed of various parts, different moulds are composed of different parts, and the mould mainly realizes the processing of article shape through the change of physical state of shaping material, and the plastic product is a general term of life, industrial and other articles processed by using plastic as main raw material.
[0003] Through the search, the utility model with patent no. CN219583381U discloses a plastic mould with limit structure, which comprises a base, a top plate, a female die and a male die, the female die is installed on the upper end face of the base, the male die is arranged above the female die, further comprises a limit base installed at four corners of the female die and a limit plug installed at four corners of the male die, the limit plug comprises an angle seat, a plug column, a block and a side plate.
[0004] As the above-mentioned mould, generally connected through a plurality of bolts, when damaged or parts need to be replaced, it needs to be disassembled by tools, which is time-consuming and laborious, and the disassembly is more cumbersome, which is not convenient for improving work efficiency, and there is room for improvement. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a plastic mould with limit structure to solve the problems in the above background technology.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a plastic mould with limit structure, comprising a support frame, the support frame is internally placed with a horizontal plate, and the horizontal plate is in the support frame, the support frame and the horizontal plate are both installed with a clamping assembly, two clamping assemblies are symmetrically arranged, the clamping assembly comprises a hydraulic cylinder two fixedly installed on the inner wall of the bottom of the support frame, the output end of the hydraulic cylinder two is fixedly connected with a horizontally arranged moving frame, four hook plates are slidably inserted into the moving frame, four vertically arranged guide frames are fixedly connected to the outer wall of the top of the support frame, one corner of the bottom of each of the four hook plates is in contact with the inclined surface of the four guide frames, a hydraulic cylinder one is fixedly installed on the outer wall of the top of the support frame, and the output end of the hydraulic cylinder one is fixedly connected with the horizontal plate.
[0007] As a further preferred technical scheme, the bottom inner wall of the support frame is fixedly connected with a receiving frame, the receiving frame is placed with a lower die on the top, the lower die is in the middle position of the four hook plates, and the bottom of the lower die is provided with an extension ring.
[0008] The four edges of the mold can be quickly clamped, and the mold is just in the middle position of the receiving frame, the disassembly and assembly process is convenient enough, and the working efficiency is improved.
[0009] As a further preferred technical solution, the upper mold is placed on the top of the lower mold, and the upper mold is located in the middle position of the four hook plates on the top.
[0010] As a further preferred technical solution, the support frame is internally provided with two limiting assemblies, the limiting assembly comprises a limiting rod inserted into the top of the support frame, the limiting rod is provided with a threaded line on the top of the circumferential outer wall, the support frame is internally provided with a threaded groove matched with the threaded line, one extension plate is fixedly connected to the outer wall of one side of the upper mold and the lower mold, and the two extension plates are slidingly sleeved outside the limiting rod.
[0011] As a further preferred technical solution, the support frame is internally provided with two limiting assemblies, the limiting assembly comprises a limiting rod inserted into the top of the support frame, the limiting rod is provided with a threaded line on the top of the circumferential outer wall, the support frame is internally provided with a threaded groove matched with the threaded line, one extension plate is fixedly connected to the outer wall of one side of the upper mold and the lower mold, and the two extension plates are slidingly sleeved outside the limiting rod.
[0012] The limiting rod is inserted downward from the top of the support frame, and the limiting rod passes through the extension plates outside the upper mold and the lower mold, then the limiting rod is rotated by the knob, and under the action of the threaded line, the limiting rod can rotate and approach the insertion sleeve along the support frame, and the lower half of the limiting rod is fixed, so that the state is stable and cannot move up and down at will.
[0013] As a further preferred technical solution, the support frame is internally provided with two limiting assemblies, the limiting assembly comprises a limiting rod inserted into the top of the support frame, the limiting rod is provided with a threaded line on the top of the circumferential outer wall, the support frame is internally provided with a threaded groove matched with the threaded line, one extension plate is fixedly connected to the outer wall of one side of the upper mold and the lower mold, and the two extension plates are slidingly sleeved outside the limiting rod.
[0014] As a further preferred technical solution, the four hook plates are provided with a roller rotatably connected to one corner at the bottom of each hook plate, and the four rollers are respectively in contact with the inclined surfaces of the four guide frames.
[0015] The utility model provides a plastic mold with limiting structure has the following beneficial effects:
[0016] (1)The utility model discloses a clamping assembly is set up, can fast four -corner clamping mould, and guarantee that mould is just in the middle position of the receiving frame, and the dismounting process is enough convenient, is favorable to improve work efficiency, and the lower mould is placed to the top of receiving frame, and the lower mould will be in the top of the moving frame, then the hydraulic cylinder no.
[0017] (2)The utility model discloses a limiting component is set up, and the limiting rod is inserted from the top of support frame downward, and the limiting rod passes through the extension plate outside upper mould and lower mould, then the limiting rod is rotated through knob, and under the action of screw line, the limiting rod can rotate and approach the insertion sleeve along the support frame, and the lower half of limiting rod is fixed, and its state is enough stable, and will not move up and down at will. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the whole structure schematic diagram of the utility model;
[0019] Figure 2 It is the local enlarged structure schematic diagram of the utility model;
[0020] Figure 3 It is the Figure 1 enlarged structure schematic diagram of A place in the utility model;
[0021] Figure 4 It is the Figure 2 enlarged structure schematic diagram of B place in the utility model;
[0022] In the drawing: 1, support frame;2, hydraulic cylinder one;3, upper mould;4, lower mould;5, clamping assembly;6, limiting component;7, reinforcing rod;501, hydraulic cylinder two;502, moving frame;503, hook plate;504, guide frame;505, receiving frame;506, idler wheel;601, limiting rod;602, screw line;603, insertion sleeve;604, extension plate. DETAILED DESCRIPTION
[0023] The technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment.
[0024] The utility model provides technical scheme: as Figure 1 And Figure 2As shown, in this embodiment, a plastic mold with a limiting structure comprises a support frame 1, a horizontal plate is placed inside the support frame 1, and the horizontal plate is inside the support frame 1, both the support frame 1 and the horizontal plate are provided with clamping assemblies 5, the two clamping assemblies 5 are symmetrically arranged, the clamping assembly 5 comprises a hydraulic cylinder two 501 fixedly installed on the inner wall of the bottom of the support frame 1, the output end of the hydraulic cylinder two 501 is fixedly connected with a horizontally arranged moving frame 502, four hook plates 503 are slidingly inserted into the moving frame 502, four vertically arranged guide frames 504 are fixedly connected to the outer wall of the top of the support frame 1, one corner at the bottom of each of the four hook plates 503 is in contact with the inclined surface of each of the four guide frames 504, a hydraulic cylinder one 2 is fixedly installed on the outer wall of the top of the support frame 1, and the output end of the hydraulic cylinder one 2 is fixedly connected with the horizontal plate.
[0025] A receiving frame 505 is fixedly connected to the inner wall of the bottom of the support frame 1, and a lower mold 4 is placed on the top of the receiving frame 505, the lower mold 4 is located at the middle position of the four hook plates 503, and the bottom of the lower mold 4 is provided with an extension ring.
[0026] An upper mold 3 is placed on the top of the lower mold 4, and the upper mold 3 is located at the middle position of the four hook plates 503 at the top.
[0027] Place the lower mold 4 on the top of the receiving frame 505, the lower mold 4 will be on the top of the moving frame 502, then start the lower hydraulic cylinder two 501, the moving frame 502 is driven to move downward, the four hook plates 503 inserted outside the moving frame 502 are simultaneously moved downward, then the hook plates 503 move along the slope of the guide frame 504, the hook plates 503 are driven to approach the lower mold 4, until the hook plates 503 are in contact with the extension ring at the bottom of the lower mold 4, at the same time, the top end of the hook plates 503 will also be in close contact with the outer wall of the lower mold 4, the position of the lower mold 4 will not be able to move, and the state is also firm enough, then place the upper mold 3 on the top of the lower mold 4, and repeat the operation to fix the upper mold 3.
[0028] As shown in Figure 1 and Figure 3 Two limiting assemblies 6 are installed inside the support frame 1, the limiting assembly 6 comprises a limiting rod 601 inserted into the top of the support frame 1, a threaded line 602 is arranged on the top of the circumferential outer wall of the limiting rod 601, a threaded groove matched with the threaded line 602 is arranged inside the support frame 1, an extension plate 604 is fixedly connected to one side of the outer wall of the upper mold 3 and the lower mold 4, and the two extension plates 604 are slidingly sleeved outside the limiting rod 601.
[0029] A plug-in sleeve 603 is fixedly connected to the inner wall of the bottom of the support frame 1, the limiting rod 601 is slidingly inserted into the plug-in sleeve 603, and an air outlet groove is arranged at the bottom position of the plug-in sleeve 603, so that the plug-in of the limiting rod 601 is convenient enough and will not be blocked due to air circulation.
[0030] The limiting rod 601 is inserted from the top of the support frame 1 downwards, and the limiting rod 601 passes through the extension plate 604 outside the upper die 3 and the lower die 4, then the limiting rod 601 is rotated by the knob, and under the action of the screw thread 602, the limiting rod 601 can rotate along the support frame 1 to approach the insertion sleeve 603, and the lower half of the limiting rod 601 is fixed, so that the state is stable and cannot move upwards and downwards at will.
[0031] As shown in Figure 1 The two reinforcing rods 7 are slidingly inserted on both sides of the outer wall of the top of the support frame 1, and the bottom ends of the two reinforcing rods 7 are fixedly connected to the outer wall of the top of the horizontal plate, which is favorable for increasing the stability of the horizontal plate and does not affect the normal movement.
[0032] As shown in Figure 4 The four hook plates 503 are rotatably connected with the four rollers 506 at one corner of the bottom of the four hook plates 503 respectively, and the four rollers 506 are in contact with the inclined surfaces of the four guide frames 504 respectively, which is favorable for reducing the friction between the hook plate 503 and the guide frame 504, so that the moving frame 502 moves more easily.
[0033] The utility model provides a kind of plastic mould with limiting structure, specific working principle is as follows:
[0034] When the device works, first, the lower die 4 is placed on the top of the supporting frame 505, and the lower die 4 is on the top of the moving frame 502, then the lower hydraulic cylinder 501 is started, the moving frame 502 is driven by the hydraulic cylinder 501 to move downwards, the four hook plates 503 inserted outside the moving frame 502 are synchronously moved downwards, then the hook plates 503 move along the slope of the guide frame 504, the hook plates 503 are driven to approach the lower die 4, until the hook plates 503 contact with the extension ring at the bottom of the lower die 4, and the top end of the hook plates 503 also fits with the outer wall of the lower die 4, the position of the lower die 4 cannot be moved, and the state is also stable enough, then the upper die 3 is placed on the top of the lower die 4, and the upper die 3 is fixed by repeating the operation, finally, the limiting rod 601 is inserted from the top of the support frame 1 downwards, and the limiting rod 601 passes through the extension plate 604 outside the upper die 3 and the lower die 4, then the limiting rod 601 is rotated by the knob, and under the action of the screw thread 602, the limiting rod 601 can rotate along the support frame 1 to approach the insertion sleeve 603, and the lower half of the limiting rod 601 is fixed, so that the state is stable and cannot move upwards and downwards at will.
[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A plastic mold with a limiting structure, comprising a support frame (1), characterized in that: The support frame (1) has a horizontal plate inside, and the horizontal plate is inside the support frame (1). Both the support frame (1) and the horizontal plate are equipped with clamping components (5). The two clamping components (5) are arranged symmetrically. The clamping components (5) include a hydraulic cylinder two (501) fixedly installed on the bottom inner wall of the support frame (1). The output end of the hydraulic cylinder two (501) is fixedly connected to a horizontally arranged movable frame (502). Four hook plates (503) are slidably inserted inside the movable frame (502). Four vertically arranged guide frames (504) are fixedly connected to the top outer wall of the support frame (1). One corner of the bottom of the four hook plates (503) respectively contacts the inclined surface of the four guide frames (504). A hydraulic cylinder one (2) is fixedly installed on the top outer wall of the support frame (1). The output end of the hydraulic cylinder one (2) is fixedly connected to the horizontal plate.
2. A plastic mold with a limiting structure according to claim 1, characterized in that: The support frame (1) has a support frame (505) fixedly connected to its bottom inner wall. A lower mold (4) is placed on the top of the support frame (505). The lower mold (4) is located in the middle of the four hook plates (503), and an extension ring is provided at the bottom of the lower mold (4).
3. A plastic mold with a limiting structure according to claim 2, characterized in that: The upper mold (3) is placed on top of the lower mold (4), and the upper mold (3) is located in the middle of the four hook plates (503) at the top.
4. A plastic mold with a limiting structure according to claim 3, characterized in that: The support frame (1) is equipped with two limiting components (6). The limiting components (6) include a limiting rod (601) inserted into the top of the support frame (1). The top of the outer circumference of the limiting rod (601) is provided with a thread (602). The support frame (1) is provided with a threaded groove that matches the thread (602). An extension plate (604) is fixedly connected to one side of the outer wall of the upper mold (3) and the lower mold (4). Both extension plates (604) are slidably sleeved on the outside of the limiting rod (601).
5. A plastic mold with a limiting structure according to claim 4, characterized in that: The support frame (1) has a plug sleeve (603) fixedly connected to the bottom inner wall. The limiting rod (601) is slidably inserted into the plug sleeve (603), and an air outlet groove is provided at the bottom of the plug sleeve (603).
6. A plastic mold with a limiting structure according to claim 1, characterized in that: Two reinforcing rods (7) are slidably inserted into the two sides of the top outer wall of the support frame (1), and the bottom end of each of the two reinforcing rods (7) is fixedly connected to the top outer wall of the horizontal plate.
7. A plastic mold with a limiting structure according to claim 1, characterized in that: Each of the four hook plates (503) has a roller (506) rotatably connected to one corner at the bottom, and the four rollers (506) respectively contact the inclined surfaces of the four guide frames (504).
Citation Information
Patent Citations
Plastic mold with limiting structure
CN219583381U