Lifting device for mould production

Abstract

The utility model discloses a lifting device for mould production, concretely relates to mould production technical field, including fixed base, the fixed base is provided with lifting mechanism, the lifting mechanism includes the fixed frame, the fixed frame is fixed in fixed base top one side, motor is fixedly installed in one side of the fixed frame, the motor output fixedly connected with screw rod, the outside screw thread connection of screw rod has the thread bush, the thread bush bottom rotatoryly connected with the movement axle. The utility model can accurately adjust the lifting height according to the demand, satisfies the accurate requirement of height in different mould processing process, improves the lifting precision and the flexibility of control, effectively limits the lateral deviation of movement axle, ensures the overall structure stability of device in the lifting process, avoids appearing to shake or the inclination phenomenon, forms the efficient cooling liquid circulation system, avoids the deformation of mould because of overheating, improves mould processing quality and precision, prolongs mould service life.

Description

Technical Field

[0001] This utility model relates to the field of mold production technology, and more specifically, to a lifting device for mold production. Background Technology

[0002] The mold manufacturing industry is currently accelerating its development towards high precision, large scale, and intelligence, which places higher demands on the performance of production equipment. Although some lifting devices have adopted twin-screw drive, many problems still need to be solved in practical applications, which restrict the efficiency and quality improvement of mold production.

[0003] A search revealed that Chinese Patent CN221544028U discloses a lifting device for mold production and processing. Addressing the issue that existing technologies often use a fixed platform height for mold production and processing, which cannot meet the needs of different operators due to varying heights, and that a platform that is too high or too low causes inconvenience, while the inability to lift the mold hinders operation by operators of different heights, resulting in low versatility, this patent utilizes two lead screws to lift the mold, thus facilitating operation by operators of different heights and achieving greater versatility.

[0004] Some twin-screw drive devices use a rigid connection structure. When faced with complex working conditions such as uneven weight distribution of the mold and vibration generated during processing, the screw is prone to uneven force, which leads to asynchronous movement of the threaded sleeves on both sides. This eventually causes the lifting platform to tilt, affecting the positioning accuracy of the mold. At the same time, when the mold generates high heat during processing, the lifting platform cannot dissipate the heat in time, resulting in excessively high mold temperature, thermal deformation, and affecting the dimensional accuracy and surface quality of the mold. Utility Model Content

[0005] In order to overcome the problems and defects in the prior art, this utility model provides a lifting device for mold production to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a lifting device for mold production, including a fixed base, wherein the fixed base is provided with a lifting mechanism;

[0007] The lifting mechanism includes a fixed frame, which is fixed to one side of the top of a fixed base. A motor is fixedly installed on one side of the fixed frame. A threaded rod is fixedly connected to the output end of the motor. A threaded sleeve is threadedly connected to the outside of the threaded rod. A movable shaft is rotatably connected to the bottom of the threaded sleeve. Two sets of fixed sleeves are rotatably connected to the outside of the movable shaft. A first rotating rod is fixedly connected to one side of one set of fixed sleeves, and a second rotating rod is fixedly connected to one side of the other set of fixed sleeves. A hinge seat is hinged to the top of the first rotating rod, and a roller is rotatably connected to the top of the second rotating rod.

[0008] A lifting platform is fixedly installed on the top of the hinge seat, and a worktable is installed inside the lifting platform. A cooling mechanism is provided between the worktable and the lifting platform.

[0009] Preferably, the cooling mechanism includes a fixed box, which is fixed between the lifting platform and the worktable. A water pump is fixedly installed inside the fixed box, and one end of the water pump is fixedly connected to a first circulation pipe.

[0010] Preferably, a water-cooling block is fixedly installed on one side of the fixed box, and a second circulation pipe is fixedly connected to one side of the water-cooling block.

[0011] Preferably, one end of both the second circulation pipe and the first circulation pipe passes through the fixed box and extends into the interior of the fixed box, and one end of the first circulation pipe is connected to the water cooling block.

[0012] Preferably, multiple baffles are fixedly connected to the top and bottom of the inner wall of the fixed box.

[0013] Preferably, the fixed base has a limiting shell fixedly connected to both sides of the top, and a limiting roller is slidably connected inside the limiting shell, with the limiting roller fixed to one end of the moving shaft.

[0014] Preferably, the first rotating rod and the second rotating rod are hinged to each other, the outer surface of the threaded rod is symmetrically provided with two sets of threads, and the number of threaded sleeves is set to two.

[0015] Preferably, the roller is in a rolling connection with the bottom surface of the worktable.

[0016] The technical effects and advantages of this utility model are as follows:

[0017] 1. By driving the threaded rod with a motor and utilizing the symmetrical reverse movement design of the double threaded sleeve, precise and stable lifting control of the lifting platform can be achieved. The high precision characteristics of the threaded transmission, combined with the lever principle of the change of the included angle of the two rotating rods, can accurately adjust the lifting height according to the needs, meet the precise height requirements in different mold processing processes, and improve the lifting accuracy and control flexibility. The cooperation between the moving shaft and the limiting shell and limiting rollers effectively limits the lateral displacement of the moving shaft, ensuring the overall stability of the device during the lifting process and avoiding shaking or tilting.

[0018] 2. Through the built-in cooling mechanism, a highly efficient coolant circulation system is formed by the coordinated operation of water pump, circulation pipe, water-cooled block and baffle. The water-cooled block is directly attached to the bottom of the worktable, which can quickly absorb the heat generated by mold processing. The heat is dissipated in time through the circulation of coolant, which can prevent the mold from deforming due to overheating, improve the processing quality and precision of the mold, and extend the service life of the mold. Compared with the traditional method of configuring additional cooling equipment, this integrated design saves space and has higher cooling efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0020] Figure 2 This is a three-dimensional structural diagram of the bottom of the workbench of this utility model.

[0021] Figure 3 This is a partial front view of the present invention.

[0022] Figure 4 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0023] Figure 5 This is a schematic diagram of the rear view structure of this utility model.

[0024] The attached diagram is labeled as follows: 1. Fixed base; 2. Fixed frame; 3. Motor; 4. Threaded rod; 5. Threaded sleeve; 6. Moving shaft; 7. Fixed sleeve; 8. First rotating rod; 9. Second rotating rod; 10. Hinge seat; 11. Roller; 12. Lifting platform; 13. Worktable; 14. Fixed box; 15. Water pump; 16. First circulation pipe; 17. Water cooling block; 18. Second circulation pipe; 19. Baffle; 20. Limiting shell; 21. Limiting roller. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] As attached Figure 1-5 The lifting device for mold production shown includes a fixed base 1, and the fixed base 1 is equipped with a lifting mechanism.

[0027] The lifting mechanism includes a fixed frame 2, which is fixed to one side of the top of the fixed base 1. A motor 3 is fixedly installed on one side of the fixed frame 2. A threaded rod 4 is fixedly connected to the output end of the motor 3. A threaded sleeve 5 is threadedly connected to the outside of the threaded rod 4. A movable shaft 6 is rotatably connected to the bottom of the threaded sleeve 5. Two sets of fixed sleeves 7 are rotatably connected to the outside of the movable shaft 6. A first rotating rod 8 is fixedly connected to one side of one set of fixed sleeves 7, and a second rotating rod 9 is fixedly connected to one side of the other set of fixed sleeves 7. A hinge seat 10 is hinged to the top of the first rotating rod 8, and a roller 11 is rotatably connected to the top of the second rotating rod 9.

[0028] A lifting platform 12 is fixedly installed on the top of the hinge seat 10. A worktable 13 is installed inside the lifting platform 12. A cooling mechanism is provided between the worktable 13 and the lifting platform 12.

[0029] As attached Figure 1 , 3 As shown, the cooling mechanism includes a fixed box 14, which is fixed between the lifting platform 12 and the worktable 13. A water pump 15 is fixedly installed inside the fixed box 14. One end of the water pump 15 is fixedly connected to a first circulation pipe 16. A water cooling block 17 is fixedly installed on one side of the fixed box 14. A second circulation pipe 18 is fixedly connected to one side of the water cooling block 17. One end of both the second circulation pipe 18 and the first circulation pipe 16 passes through the fixed box 14 and extends into the fixed box 14. One end of the first circulation pipe 16 is connected to the water cooling block 17 to reduce the temperature during mold processing and prevent thermal deformation.

[0030] As attached Figure 3 As shown, multiple baffles 19 are fixedly connected to the top and bottom of the inner wall of the fixed box 14 to reduce the flow rate of coolant and facilitate heat exchange.

[0031] As attached Figure 2 , 4 As shown in Figure 5, the top two sides of the fixed base 1 are fixedly connected to the limiting shell 20. The limiting shell 20 is slidably connected to the limiting roller 21. The limiting roller 21 is fixed to one end of the moving shaft 6, which plays a limiting role and ensures the stability of lifting.

[0032] As attached Figure 1 , 2 As shown in Figures 3 and 5, the first rotating rod 8 and the second rotating rod 9 are hinged to each other. The outer surface of the threaded rod 4 is symmetrically provided with two sets of threads. The number of threaded sleeves 5 is set to two, so that the two threaded sleeves 5 can move closer to each other or further away from each other.

[0033] As attached Figure 2 , 3 As shown in Figure 5, the roller 11 is rolled to the bottom surface of the worktable 13, so that the second rotating rod 9 can rotate stably.

[0034] The working principle of this utility model is as follows: After the motor 3 starts, it drives the threaded rod 4 to rotate. Two sets of threads are symmetrically arranged on the outer surface of the threaded rod 4, which cooperate with two threaded sleeves 5, so that the threaded sleeves 5 move along the axial direction of the threaded rod 4. Since the threads are opposite, the two threaded sleeves move closer or further away synchronously. The bottom of the threaded sleeves 5 is connected to two sets of fixed sleeves 7 through the moving shaft 6, which drives the first rotating rod 8 and the second rotating rod 9 to move. When the two threaded sleeves 5 move with the threaded rod 4, the hinge angle of the first rotating rod 8 and the second rotating rod 9 changes, which pushes the lifting platform 12 to rise and fall vertically. The threaded sleeves 5 move towards the middle of the threaded rod 4, and the angle between the two rotating rods increases. The lifting platform 12 is lifted by the hinge seat 10. At the same time, the rollers 11 roll at the bottom of the worktable 13 to provide auxiliary support. The threaded sleeves 5 move towards both ends of the threaded rod 4, and the angle between the two rotating rods decreases. The lifting platform 12 falls back under the action of gravity. The limiting shells 20 on both sides of the fixed base 1 are provided with limiting rollers 21, which are connected to both ends of the moving shaft 6 to limit the lateral displacement of the moving shaft 6 and ensure that the lifting process is stable.

[0035] The water pump 15 is installed inside the fixed box 14. It draws coolant from the fixed box 14 through the first circulation pipe 16. The coolant flows into the water cooling block 17 through the first circulation pipe 16. The water cooling block 17 is attached to the bottom of the worktable 13 and directly absorbs the heat of the mold. The coolant after absorbing heat flows back to the fixed box 14 through the second circulation pipe 18. The baffle 19 inside the box increases the flow path of the coolant, enhances the heat dissipation effect, and forms a circulation to reduce the temperature of the mold during processing and avoid thermal deformation.

[0036] In conclusion, the above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A lifting device for mold production, comprising a fixed base (1), characterized in that: The fixed base (1) is equipped with a lifting mechanism; The lifting mechanism includes a fixed frame (2), which is fixed on one side of the top of the fixed base (1). A motor (3) is fixedly installed on one side of the fixed frame (2). A threaded rod (4) is fixedly connected to the output end of the motor (3). A threaded sleeve (5) is threadedly connected to the outside of the threaded rod (4). A movable shaft (6) is rotatably connected to the bottom of the threaded sleeve (5). Two sets of fixed sleeves (7) are rotatably connected to the outside of the movable shaft (6). A first rotating rod (8) is fixedly connected to one side of one set of fixed sleeves (7), and a second rotating rod (9) is fixedly connected to one side of the other set of fixed sleeves (7). A hinge seat (10) is hinged to the top of the first rotating rod (8), and a roller (11) is rotatably connected to the top of the second rotating rod (9). A lifting platform (12) is fixedly installed on the top of the hinge seat (10). A workbench (13) is installed inside the lifting platform (12). A cooling mechanism is provided between the workbench (13) and the lifting platform (12).

2. The lifting device for mold production according to claim 1, characterized in that: The cooling mechanism includes a fixed box (14), which is fixed between the lifting platform (12) and the worktable (13). A water pump (15) is fixedly installed inside the fixed box (14), and a first circulation pipe (16) is fixedly connected to one end of the water pump (15).

3. The lifting device for mold production according to claim 2, characterized in that: A water-cooled block (17) is fixedly installed on one side of the fixed box (14), and a second circulation pipe (18) is fixedly connected to one side of the water-cooled block (17).

4. The lifting device for mold production according to claim 3, characterized in that: One end of the second circulation pipe (18) and the first circulation pipe (16) both penetrate through the fixed box (14) and extend into the interior of the fixed box (14). One end of the first circulation pipe (16) is connected to the water cooling block (17).

5. The lifting device for mold production according to claim 2, characterized in that: Multiple baffles (19) are fixedly connected to the top and bottom of the inner wall of the fixed box (14).

6. The lifting device for mold production according to claim 1, characterized in that: The fixed base (1) has a limiting shell (20) fixedly connected to both sides of the top. The limiting shell (20) has a limiting roller (21) slidably connected inside. The limiting roller (21) is fixed to one end of the moving shaft (6).

7. The lifting device for mold production according to claim 1, characterized in that: The first rotating rod (8) and the second rotating rod (9) are hinged to each other. The outer surface of the threaded rod (4) is symmetrically provided with two sets of threads. The number of threaded sleeves (5) is set to two.

8. The lifting device for mold production according to claim 1, characterized in that: The roller (11) is in rolling connection with the bottom surface of the worktable (13).

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