Lead screw elevator with good heat dissipation

Abstract

The utility model relates to a screw rod elevator with good heat dissipation performance belongs to screw rod elevator technical field, include: the casing, the casing is rotatively connected with the worm, the casing is rotatively connected with the worm wheel, the worm and the worm wheel engage transmission, the worm wheel is coaxial and is installed with the internal thread subassembly, the casing is slidably connected with the screw rod, the internal thread subassembly is connected with the screw rod thread, the internal thread subassembly one end is installed with the pressing subassembly, a plurality of heat dissipation mechanisms are installed on the casing. The internal thread subassembly is coaxial and is installed with the worm wheel, the casing is slidably connected with the screw rod, the internal thread subassembly is connected with the screw rod thread, the internal thread subassembly one end is installed with the pressing subassembly, a plurality of heat dissipation mechanisms are installed on the casing, make the screw rod elevator can be in time to its replacement when single fin deformation or damage, avoided the heat dissipation efficiency decline, and then improved the service life of screw rod elevator.

Description

Technical Field

[0001] This utility model belongs to the field of screw jacks, specifically relating to a screw jack with good heat dissipation performance. Background Technology

[0002] Screw jacks are commonly used lifting mechanisms, primarily based on a screw drive mechanism, and are widely used in industrial, construction, and automation fields. In the pharmaceutical industry, when pressing tablets, a short-stroke, high-torque output is required. Therefore, a worm gear reducer is used to reduce the motor's output speed. The worm, through the worm wheel, drives the screw to output a larger torque to help the machine press the tablets.

[0003] Existing screw jacks have low transmission efficiency, and some energy is converted into heat, resulting in a large amount of heat generation. Currently, heat dissipation is generally achieved by installing heat sinks on the outer casing, which increases the heat dissipation area. However, existing heat sinks are usually fixed to the outer casing as a whole, making it difficult to replace them when they are deformed or damaged, which reduces the heat dissipation efficiency and leads to excessively high internal temperatures, thereby reducing the service life of the screw jack. Utility Model Content

[0004] In order to solve the above-mentioned technical problems, this utility model proposes a screw jack with good heat dissipation performance.

[0005] The specific technical solution of this utility model is as follows: A screw jack with good heat dissipation performance includes: a housing, a worm gear rotatably connected to the housing, a worm wheel rotatably connected to the housing, the worm gear and the worm wheel meshing and driving each other, an internal thread assembly coaxially mounted on the worm wheel, a screw slidably connected to the housing, the internal thread assembly threadedly connected to the screw, a pressing component mounted on one end of the internal thread assembly, and multiple heat dissipation mechanisms mounted on the housing.

[0006] Furthermore, the heat dissipation mechanism includes: a fixing component, on which the housing is mounted, and two clamping components are symmetrically slidably connected, with heat dissipation fins clamped between the two clamping components, and clamping bolts are mounted on the clamping components. The clamping bolts pass through the two clamping components and the heat dissipation fins, and a clamping nut is mounted on one end of the clamping bolts. The clamping bolts and clamping nuts cooperate with the two clamping components to clamp the heat dissipation fins.

[0007] Furthermore, a cooling fan is installed on the worm gear, and the cooling fan is located outside the housing.

[0008] Furthermore, a first sealing gasket is provided between the clamping assembly and the heat dissipation fins.

[0009] Furthermore, a second sealing gasket is provided between the fixing component and the housing.

[0010] Furthermore, the housing is provided with an oil injection channel.

[0011] Furthermore, a sealing bolt is installed on the oil injection channel.

[0012] Beneficial effects:

[0013] This application features a worm gear rotatably connected to the housing, a worm wheel rotatably connected to the housing, and the worm gear and worm wheel meshing for transmission. An internal thread assembly is coaxially mounted on the worm wheel. A lead screw is slidably connected to the housing, and the internal thread assembly is threadedly connected to the lead screw. A pressing component is mounted on one end of the internal thread assembly. Multiple heat dissipation mechanisms are installed on the housing, allowing the lead screw jack to replace a single heat sink in a timely manner when it deforms or is damaged, thus avoiding a decrease in heat dissipation efficiency and improving the service life of the lead screw jack.

[0014] This application utilizes a fixing assembly mounted on the housing, with two clamping assemblies symmetrically slidably connected to the fixing assembly. A heat dissipation fin is clamped between the two clamping assemblies. Clamping bolts are mounted on the clamping assemblies, passing through the two clamping assemblies and the heat dissipation fins. A clamping nut is mounted on one end of each clamping bolt. The clamping bolts and nut, in conjunction with the two clamping assemblies, clamp the heat dissipation fins. This allows for easy replacement of the heat dissipation fins when a single heat dissipation fin is damaged and its heat dissipation efficiency is compromised. This prevents a decrease in heat dissipation efficiency, thereby extending the service life of the screw jack and improving ease of use. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram showing the installation position of the internal thread assembly of this utility model;

[0017] Figure 3 This is a schematic diagram showing the installation position of the heat dissipation mechanism of this utility model;

[0018] Figure 4 This is a schematic diagram of the heat dissipation mechanism of this utility model;

[0019] Explanation of markings in the diagram:

[0020] 1. Housing; 2. Worm gear; 3. Worm wheel; 4. Internal thread assembly; 5. Lead screw; 6. Pressing assembly; 7. Heat dissipation mechanism; 71. Fixing assembly; 72. Clamping assembly; 73. Heat dissipation fins; 74. Clamping bolt; 75. Clamping nut; 8. Heat dissipation fan; 9. First sealing gasket; 10. Second sealing gasket; 11. Oil injection channel; 12. Sealing bolt. Detailed Implementation

[0021] 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.

[0022] In the description of this utility model, it should be understood that the terms "upper", "middle", "outer", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0023] Example 1: A screw jack with good heat dissipation performance includes: a housing 1, a worm gear 2 rotatably connected to the housing 1, a worm wheel 3 rotatably connected to the housing 1, the worm gear 2 and the worm wheel 3 meshing and driving each other, an internal thread assembly 4 coaxially mounted on the worm wheel 3, a screw 5 slidably connected to the housing 1, the internal thread assembly 4 threadedly connected to the screw 5, a pressing component 6 mounted on one end of the internal thread assembly 4, and multiple heat dissipation mechanisms 7 mounted on the housing 1. This application utilizes the worm gear 2 rotatably connected to the housing 1, the worm wheel 3 rotatably connected to the housing 1, the worm gear 2 and the worm wheel 3 meshing and driving each other, the internal thread assembly 4 coaxially mounted on the worm wheel 3, the screw 5 slidably connected to the housing 1, the internal thread assembly 4 threadedly connected to the screw 5, the pressing component 6 mounted on one end of the internal thread assembly 4, and the multiple heat dissipation mechanisms 7 mounted on the housing 1 to allow timely replacement of a single heat sink when its heat dissipation efficiency is compromised due to deformation or damage, thus avoiding a decrease in heat dissipation efficiency and improving the service life of the screw jack.

[0024] Example 2: Based on Example 1, the heat dissipation mechanism 7 includes: a fixing component 71, which is mounted on the housing 1. Two clamping components 72 are symmetrically slidably connected to the fixing component 71. Heat dissipation fins 73 are clamped between the two clamping components 72. Clamping bolts 74 are mounted on the clamping components 72, passing through the two clamping components 72 and the heat dissipation fins 73. A clamping nut 75 is mounted on one end of the clamping bolt 74. The clamping bolt 74 and the clamping nut 75 cooperate with the two clamping components 72 to clamp the heat dissipation fins 73. In this application, the fixing component 71 is mounted on the housing 1, and two clamping components 72 are symmetrically slidably connected to the fixing component 71. A heat dissipation fin 73 is clamped between the two clamping assemblies 72. A clamping bolt 74 is installed on the clamping assembly 72, passing through the two clamping assemblies 72 and the heat dissipation fin 73. A clamping nut 75 is installed at one end of the clamping bolt 74. The clamping bolt 74 and the clamping nut 75 cooperate with the two clamping assemblies 72 to clamp the heat dissipation fin 73. When a single heat dissipation fin 73 is damaged and its heat dissipation efficiency cannot be guaranteed, the clamping assembly 72 can be removed to release the heat dissipation fin 73, and the heat dissipation fin 73 can be replaced. This avoids a decrease in heat dissipation efficiency, thereby improving the service life of the screw jack and increasing the convenience of use.

[0025] Example 3: Based on Example 2, a cooling fan 8 is installed on the worm gear 2 and placed outside the housing 1. By installing a cooling fan 8 on the worm gear 2 and placing the cooling fan 8 outside the housing 1, the worm gear 2 drives the cooling fan 8 to cool the heat dissipation fins 73 during the operation of the screw jack, thereby further improving the heat dissipation efficiency.

[0026] Example 4: Based on Example 2, a first sealing gasket 9 is provided between the clamping assembly 72 and the heat dissipation fins 73. This application improves the sealing performance and prevents leakage of lubricating oil inside the housing 1 by providing a first sealing gasket 9 between the clamping assembly 72 and the heat dissipation fins 73.

[0027] Example 5: Based on Example 4, a second sealing gasket 10 is provided between the fixing component 71 and the housing 1. This application further improves the sealing performance by providing a second sealing gasket 10 between the fixing component 71 and the housing 1 to prevent leakage of lubricating oil inside the housing 1.

[0028] Example 6: Based on Example 2, the housing 1 is provided with an oil injection channel 11. This application provides an oil injection channel 11 on the housing 1 to facilitate the addition of lubricating oil inside the housing 1, thereby improving the ease of use.

[0029] Example 7: Based on Example 6, a sealing bolt 12 is installed on the oil injection channel 11. This application improves the safety of use by installing a sealing bolt 12 on the oil injection channel 11 to prevent the lubricating oil in the housing 1 from entering dust or impurities during the use of the screw jack.

[0030] Work process:

[0031] When the screw jack is in use, the external motor first drives the worm wheel 3 to rotate through the worm 2. The worm wheel 3 drives the screw 5 connected to it to move upward through the thread on the internal thread assembly 4, which in turn drives the pressing assembly 6 and the cooperating machine to press the tablets. At the same time, the heat inside the housing 1 is conducted to the outside through the heat dissipation fins 73. The worm 2 drives the cooling fan 8 to cool the heat dissipation fins 73. When the heat dissipation fins 73 are deformed or damaged and the heat dissipation efficiency cannot be guaranteed, the clamping nut 75 is removed and the clamping bolt 74 is pulled out, thereby releasing the clamping assembly 72 from fixing the heat dissipation fins 73, and then the heat dissipation fins 73 are pulled out for replacement.

[0032] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0033] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A screw jack with good heat dissipation performance, characterized in that, include: The housing (1) is rotatably connected to a worm (2) and a worm wheel (3). The worm (2) and the worm wheel (3) mesh and drive each other. An internal thread assembly (4) is coaxially mounted on the worm wheel (3). A lead screw (5) is slidably connected to the housing (1). The internal thread assembly (4) is threadedly connected to the lead screw (5). A pressing assembly (6) is mounted on one end of the internal thread assembly (4). Multiple heat dissipation mechanisms (7) are mounted on the housing (1).

2. The screw jack with good heat dissipation performance according to claim 1, characterized in that, The heat dissipation mechanism (7) includes: a fixing component (71), which is installed on the housing (1). Two clamping components (72) are symmetrically slidably connected on the fixing component (71). Heat dissipation fins (73) are clamped between the two clamping components (72). A clamping bolt (74) is installed on the clamping component (72). The clamping bolt (74) passes through the two clamping components (72) and the heat dissipation fins (73). A clamping nut (75) is installed at one end of the clamping bolt (74). The clamping bolt (74) and the clamping nut (75) cooperate with the two clamping components (72) to clamp the heat dissipation fins (73).

3. The screw jack with good heat dissipation performance according to claim 2, characterized in that, A cooling fan (8) is installed on the worm gear (2), and the cooling fan (8) is located outside the housing (1).

4. A screw jack with good heat dissipation performance according to claim 2, characterized in that, A first sealing gasket (9) is provided between the clamping assembly (72) and the heat dissipation fins (73).

5. A screw jack with good heat dissipation performance according to claim 2, characterized in that, A second sealing gasket (10) is provided between the fixing component (71) and the housing (1).

6. A screw jack with good heat dissipation performance according to claim 2, characterized in that, The housing (1) is provided with an oil injection channel (11).

7. A screw jack with good heat dissipation performance according to claim 6, characterized in that, A sealing bolt (12) is installed on the oil injection channel (11).

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