Poly urethane (PU) universal wheel pouring mold
By introducing positioning and sealing structures into the PU caster mold, the problem of insufficient mold sealing is solved, thereby improving the stability and sealing of the mold and ensuring product quality and extending the life of the injection tube.
Patent Information
- Application Number
- CN202423131947.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Traditional PU caster molds lack sealing auxiliary structures, leading to leakage of the casting liquid, increasing the labor intensity of workers and affecting the stability of product quality.
A mold was designed that includes a base, a lower mold, an upper mold, a mounting plate, a positioning structure, and a sealing structure. The positioning structure ensures accurate positioning when the mold is closed, the sealing structure prevents leakage of the casting liquid, and the spring and threaded connection ensures the stability and sealing of the mold.
It improves the stability and sealing of the mold, reduces mold displacement and blockage during the casting process, and ensures product quality and the service life of the injection pipe.
Smart Images

Figure CN223573682U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mould technical field, concretely is a kind of PU universal wheel pouring mould. BACKGROUND
[0002] Universal wheel is the component commonly used in modern logistics and office equipment, it can make equipment move easily in different directions, polyurethane universal wheel is widely used in various equipment due to its wear resistance, shock absorption and strong load bearing capacity etc., and the traditional PU universal wheel production usually adopts injection molding process, and the pouring mould is the key tool.
[0003] Part of mould processing technical field utility model patent is disclosed in prior art, wherein the utility model patent with application number 202223372893.1 discloses a pouring mould, including shell, the lower surface of the shell is fixedly installed with two groups of motor, the rotating shaft of two groups of motor is fixedly connected with threaded rod. When the workpiece is demoulded, the pouring mould is rotated by the motor to drive the threaded rod, so that the threaded sleeve block connected with the threaded rod on the surface of the threaded rod moves vertically, the threaded sleeve block and the abutment block are fixedly connected by connecting column, so that the abutment block moves vertically along with the threaded sleeve block, the lower surface of the abutment block is fixedly installed with baffle to avoid pouring liquid entering the lower part of the abutment block, the structure is arranged, the problem that the workpiece is not easy to demould after forming is effectively avoided, the effect of automatic demoulding of workpiece can be achieved, at the same time, the labor intensity of workers is reduced, the labor cost is reduced, the demoulding efficiency can be improved in actual use process, and the integrity of workpiece after demoulding is improved.
[0004] But the above-mentioned mode still has the following defects in actual use: although the automatic demoulding of workpiece can be realized, the mould lacks sufficient auxiliary structure to ensure the sealing property, and the operator needs to manually press the mould to avoid pouring liquid leakage, which not only increases the labor intensity of workers, but also is difficult to ensure that the pressing force is uniform and consistent every time, thereby affecting the stability of product quality. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of PU universal wheel pouring mould to solve the problems raised in the above background.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: a PU universal wheel pouring mold, including the base, the upper side fixed connection of base has lower mould, the upper side connection of lower mould has upper mould, the right side fixed connection of upper mould has two injection tubes, the outer rotation connection of lower mould has guide rod, the outer surface fixed connection of guide rod has mounting plate, the right side of upper mould is equipped with sealing structure, sealing structure is connected with injection tube, the upper side fixed connection of upper mould has positioning structure, positioning structure is connected with mounting plate, positioning structure includes clamping plate, bolt two and movable rod, the top fixed connection of movable rod has the supporting plate, the outer surface screw thread connection of bolt two has nut two, movable rod sleeve has spring.
[0007] As a further preferred aspect of the present technical solution, the mounting plate is clamped in the upper mold, the second bolt is fixedly connected above the upper mold, and the second bolt is clamped in the clamping plate.
[0008] As a further preferred aspect of the present technical solution, the second bolt is connected to the clamping plate through the second nut, and the clamping plate is slidingly connected in the mounting plate.
[0009] As a further preferred aspect of the present technical solution, the movable rod is slidingly connected in the mounting plate, and the supporting plate is connected to the upper side of the mounting plate through the spring.
[0010] As a further preferred aspect of the present technical solution, the sealing structure includes a first bolt and a sealing plate, the first bolt is fixedly connected to the right side of the upper mold, the sealing plate is clamped with the injection tube, and the outer surface of the first bolt is fixedly connected with a limiting disc.
[0011] As a further preferred aspect of the present technical solution, the sealing plate is clamped in the first bolt, and the left side of the sealing plate is overlapped with the limiting disc.
[0012] As a further preferred aspect of the present technical solution, the first bolt is externally threaded with a first nut, and the first bolt is connected to the sealing plate through the first nut.
[0013] The utility model provides a PU universal wheel pouring mold, has the following beneficial effects:
[0014] (1) The utility model discloses a lower mould, upper mould, mounting panel and positioning structure are set up, when the tension is applied to the support plate, the spring will be deformed through the moving rod and support plate, and then the mounting panel will overturn with the guide rod as the center, the mounting panel after overturning will be clamped in the upper mould, and the clamping plate will be clamped with bolt no.
[0015] (2) The utility model discloses a injection tube and sealing structure are set up, the sealing plate is clamped with injection tube, and the sealing plate will be clamped with bolt no. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the three -dimensional structure schematic diagram of the utility model's solid structure schematic diagram;
[0017] Figure 2 It is the three -dimensional structure schematic diagram of the utility model's upper mould;
[0018] Figure 3 It is the three -dimensional structure schematic diagram of the utility model's sealing structure;
[0019] Figure 4 It is the three -dimensional structure schematic diagram of the utility model's Figure 2 Amplification structure schematic diagram of the utility model's middle A place;
[0020] In the drawing: 1, base;2, lower mould;3, upper mould;4, injection tube;5, guide rod;6, mounting panel;7, sealing structure;701, bolt no. 1;702, sealing plate;703, limit disc;704, nut no. 1;8, positioning structure;801, clamping plate;802, bolt no. 2;803, moving rod;804, support plate;805, spring;806, nut no. 2. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiment of the utility model will be described clearly and completely in the embodiment of the utility model in combination with the drawings.
[0022] The utility model provides technical scheme: such as Figure 1 And Figure 4As shown, in this embodiment, a PU universal wheel casting mold, including the base 1, the upper side of the base 1 is fixedly connected with the lower mold 2, the upper side of the lower mold 2 is connected with the upper mold 3, the right side of the upper mold 3 is fixedly connected with two injection tubes 4, the outer side of the lower mold 2 is rotatably connected with the guide rod 5, the outer surface of the guide rod 5 is fixedly connected with the mounting plate 6, the right side of the upper mold 3 is provided with the sealing structure 7, the sealing structure 7 is clamped with the injection tube 4, the upper side of the upper mold 3 is fixedly connected with the positioning structure 8, the positioning structure 8 is connected with the mounting plate 6, the positioning structure 8 includes the clamping plate 801, the second bolt 802 and the moving rod 803, the top end of the moving rod 803 is fixedly connected with the supporting plate 804, the outer surface of the second bolt 802 is threadedly connected with the second nut 806, the moving rod 803 is sleeved with the spring 805.
[0023] As shown in Figure 1 and Figure 3 the mounting plate 6 is clamped in the upper mold 3, the second bolt 802 is fixedly connected to the upper side of the upper mold 3, the second bolt 802 is clamped in the clamping plate 801, the second bolt 802 is connected with the clamping plate 801 through the second nut 806, the clamping plate 801 is slidingly connected in the mounting plate 6, the moving rod 803 is slidingly connected in the mounting plate 6, the supporting plate 804 is connected with the upper side of the mounting plate 6 through the spring 805.
[0024] By setting the spring 805, when the supporting plate 804 is subjected to tension, the supporting plate 804 will drive the clamping plate 801 to slide in the mounting plate 6, the clamping plate 801 will drive the spring 805 to deform through the moving rod 803 and the supporting plate 804 when moving, so that the spring 805 supports the movement of the clamping plate 801 to a certain extent, avoiding the phenomenon of clamping shell when the clamping plate 801 moves, and the clamping plate 801 will be reset through the spring 805 when it loses resistance.
[0025] As shown in Figure 4 the sealing structure 7 includes the first bolt 701 and the sealing plate 702, the first bolt 701 is fixedly connected to the right side of the upper mold 3, the sealing plate 702 is clamped with the injection tube 4, the outer surface of the first bolt 701 is fixedly connected with the limiting disc 703, the sealing plate 702 is clamped in the first bolt 701, the left side of the sealing plate 702 is overlapped with the limiting disc 703, the first bolt 701 is externally threadedly connected with the first nut 704, the first bolt 701 is connected with the sealing plate 702 through the first nut 704.
[0026] By setting the limiting disc 703, the sealing plate 702 is clamped with the injection tube 4, and the sealing plate 702 is clamped with the first bolt 701, the left side of the sealing plate 702 is overlapped with the limiting disc 703 when it is attached with the injection tube 4, so that the limiting disc 703 limits the position of the sealing plate 702 to a certain extent, avoiding the phenomenon of inclination when the sealing plate 702 is fixed.
[0027] The utility model provides a PU universal wheel pouring mold, specific working principle is as follows:
[0028] When the mold is in use, the upper mold 3 and the lower mold 2 can be attached, then the pulling force is applied to the supporting plate 804, the supporting plate 804 drives the clamping plate 801 to slide in the mounting plate 6, the clamping plate 801 drives the spring 805 to deform when moving through the moving rod 803 and the supporting plate 804, then the mounting plate 6 is turned over with the guide rod 5 as the center, the mounting plate 6 after turning over is clamped in the upper mold 3, and the clamping plate 801 is clamped with the bolt two 802, the clamping plate 801 is reset through the spring 805 when the supporting plate 804 is loosened, the clamping plate 801 after resetting is overlapped above the bolt two 802, then the nut two 806 is connected with the clamping plate 801 after being screwed on the surface of the bolt two 802, then the raw material is delivered into the upper mold 3 and the lower mold 2 through the injection tube 4;
[0029] When the mold is not used, the sealing plate 702 can be clamped with the injection tube 4, and the sealing plate 702 is clamped with the bolt one 701, the left side of the sealing plate 702 is overlapped with the limiting disc 703 when the sealing plate 702 is attached with the injection tube 4, and the nut one 704 is screwed with the bolt one 701 to lock the sealing plate 702.
[0030] 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 the 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 PU universal wheel injection mold comprising a base (1), characterized in that: The lower die (2) is fixedly connected above the base (1), the upper die (3) is connected above the lower die (2), the right side of the upper die (3) is fixedly connected with two injection tubes (4), the outer rotating connection of the lower die (2) has a guide rod (5), the outer surface of the guide rod (5) is fixedly connected with a mounting plate (6), the right side of the upper die (3) is provided with a sealing structure (7), the sealing structure (7) is connected with the injection tube (4), the upper die (3) is fixedly connected with a positioning structure (8), the positioning structure (8) is connected with the mounting plate (6), the positioning structure (8) includes a clamping plate (801), a bolt two (802) and a moving rod (803), the top end of the moving rod (803) is fixedly connected with a supporting plate (804), the outer surface of the bolt two (802) is threadedly connected with a nut two (806), the moving rod (803) is sleeved with a spring (805).
2. The PU universal wheel injection mold according to claim 1, characterized in that: The mounting plate (6) is clamped in the upper die (3), the bolt two (802) is fixedly connected above the upper die (3), and the bolt two (802) is clamped in the clamping plate (801).
3. The PU universal wheel injection mold of claim 1, wherein: The bolt two (802) is connected with the clamping plate (801) through the nut two (806), and the clamping plate (801) is slidingly connected in the mounting plate (6).
4. The PU universal wheel injection mold of claim 1, wherein: The moving rod (803) is slidingly connected in the mounting plate (6), and the supporting plate (804) is connected above the mounting plate (6) through the spring (805).
5. The PU universal wheel injection mold of claim 1, wherein: The sealing structure (7) includes a bolt one (701) and a sealing plate (702), the bolt one (701) is fixedly connected to the right side of the upper die (3), the sealing plate (702) is connected with the injection tube (4), and the outer surface of the bolt one (701) is fixedly connected with a limiting disc (703).
6. A PU universal wheel injection mold according to claim 5, characterized in that: The sealing plate (702) is clamped in the bolt one (701), and the left side of the sealing plate (702) is overlapped with the limiting disc (703).
7. A PU universal wheel injection mold according to claim 6, characterized in that: The outer surface of the bolt one (701) is threadedly connected with a nut one (704), and the bolt one (701) is connected with the sealing plate (702) through the nut one (704).
Citation Information
Patent Citations
Pouring mold
CN218985474U