Closed lead screw module

Abstract

The utility model discloses a closed lead screw module, which belongs to the field of lead screw modules and is characterized in that a shell covers a driving motor, a guide plate and a connecting plate are arranged between a fixed cover and a first end cover, the driving motor drives a heat dissipation wind wheel to rotate, and fresh air passes through the first end cover through the guide plate and is introduced into an inner cavity of a base; air flow in the base is achieved, equipment cooling is achieved, and dust particles in gaps are blown out. According to the closed lead screw module, the flow guide plate is innovatively designed, the air circulation path is optimized, and the heat dissipation efficiency is improved. Dust particles are blown out by airflow and are discharged through a base opening or an exhaust port, and the cleanliness and operation efficiency of the system are improved. The sliding seat and the connecting table are in bolted connection and integrated design, so that the structural stability is enhanced, and accurate position control is ensured. The lead screw assembly is simplified in installation and convenient to maintain. The limiting blocks and the guide plates improve the stability and the moving precision of the connecting table, and user experience is improved. The bearing design improves the reliability and safety of the system.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of screw module, especially a closed screw module. BACKGROUND

[0002] The screw module is a mechanical device, and its core function is to convert the rotary motion of the motor into linear motion. This conversion mechanism has been widely used in the field of automation equipment and precision machinery. It is composed of several key components, including ball screws, linear guides, support seats, couplings, and motors.

[0003] In the mechanical transmission system, the screw module plays an important role, but different structural designs also bring different challenges. Although the open structure of the screw module is more flexible in design and use, it is vulnerable to external environmental influences due to the lack of closed protection. Specifically, dust and particulate matter can easily enter the friction surface between the screw and the nut, which not only accelerates wear and shortens the module's life, but also affects the motion accuracy and reduces the system performance. Therefore, in order to maintain its normal operation, regular cleaning is required, which undoubtedly increases the maintenance cost and workload.

[0004] In contrast, the closed structure of the screw module can effectively prevent dust and particulate matter from entering and protect the internal components from external environmental influences. However, this design also brings new problems. The closed structure restricts the dissipation of heat, causing the internal temperature of the module to rise. In a high-temperature environment, the performance of the lubricating grease will decrease, accelerating the wear process, and even possibly causing the lubricating grease to deteriorate. In addition, high temperatures can also cause thermal expansion of the screw and nut, further affecting the motion accuracy and stability. If the internal temperature is too high, it may also cause damage to the internal parts of the module, and even cause safety accidents such as fires. SUMMARY

[0005] The main purpose of the utility model is to provide a closed screw module that can effectively solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0007] A closed screw module, comprising a base, a sliding groove, a connecting table, a screw assembly, and a sliding seat, the sliding groove is located at the bottom of the cavity of the base, the connecting table is located in the groove of the sliding groove, the screw assembly is connected in the opening of the connecting table, and the sliding seat is installed on the connecting table;

[0008] The two sides of the sliding seat are provided with connecting parts, the front and rear ends of the base are provided with first and second end covers, and the upper end of the base is provided with a closure cover. The opening of the base is closed by the closure cover, the first end cover, and the second end cover. The sliding seat and the connecting parts move along the gap between the closure cover and the base.

[0009] The first end cover is connected with the driving motor through the output end of the speed reducer, the output end of the driving motor is provided with a heat dissipation fan wheel, the output end of the driving motor is connected with the speed reducer, a fixed cover is arranged between the heat dissipation fan wheel and the speed reducer, an outer shell is connected with the fixed cover, the outer shell covers the driving motor, a flow guide plate and a connecting plate are arranged between the fixed cover and the first end cover, the heat dissipation fan wheel is driven to rotate by the driving motor, fresh air is introduced into the inner cavity of the base through the first end cover by the flow guide plate, air flow in the base is realized, and the device is cooled and dust particles in the gap are blown out.

[0010] As a preferred scheme of the application, the side wall of the connecting table is provided with a limiting block, and the limiting block is arranged in a limiting groove in the side wall of the sliding groove, so that the stable movement of the connecting table is realized through the limiting block and the limiting groove.

[0011] As a preferred scheme of the application, the sliding seat is connected with the connecting table through bolts, the sliding seat and the connecting part are designed as a whole, the cross section of the sliding seat and the connecting part is designed as a "U" shape, and a screw hole is arranged in the end surface of the connecting part.

[0012] As a preferred scheme of the application, the screw rod assembly is arranged on the second end cover through a bearing assembly, the screw rod assembly is connected with the output end of the speed reducer through a clamp, and the sliding seat and the connecting part are designed as smooth surfaces with the base.

[0013] As a preferred scheme of the application, the driving motor is arranged on the fixed cover and the outer shell through bolts, the heat dissipation fan wheel is clamped on the square block of the output end of the driving motor, the heat dissipation fan wheel is limited on the output end of the driving motor through bolts, and a bearing is arranged between the driving motor and the fixed cover.

[0014] As a preferred scheme of the application, the flow guide plate is divided into a connecting frame and inclined flow guide plates, a plurality of inclined flow guide plates are equidistantly arranged on the end surface of the connecting frame, the connecting frame is fixed on the fixed cover through bolts, the flow guide plate is welded with the connecting plate, and the connecting plate is fixed on the first end cover through bolts.

[0015] Compared with the prior art, the application has the following beneficial effects:

[0016] The heat dissipation fan wheel rotates with the motor operation, introduces fresh air into the inner cavity of the base through the guide plate, forms air flow, carries away the heat generated inside, effectively reduces the working temperature of the equipment, ensures the stable operation of the system and prolongs the service life of the motor. The innovative design of the guide plate, especially the use of the inclined guide plate, optimizes the air circulation path and improves the heat dissipation efficiency. In the flow process, the airflow can blow out the dust particles in the gap between the sliding seat and the connecting part, and the opening or exhaust port of the base can discharge the system outside, reduce the wear of the internal components of the system, and improve the cleanliness and operating efficiency of the system.

[0017] The bolt connection between the sliding seat and the connecting table and the integrated design of the sliding seat and the connecting part enhance the stability and carrying capacity of the structure, and ensure the accurate control of the position during movement. The screw rod assembly is erected on the second end cover through the bearing assembly, and is connected with the output end of the speed reducer through the clamp, which simplifies the installation process and is convenient for subsequent maintenance work.

[0018] The limit block and the optimized guide plate design further improve the stability and movement accuracy of the connecting table, and bring users a more smooth and accurate use experience. By setting the bearing to bear the radial and axial load of the driving motor, the reliability and safety of the system are improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is an exploded view of the driving motor, guide plate and connecting plate of the utility model;

[0021] Figure 3 It is a side view of the driving motor, guide plate and connecting plate of the utility model;

[0022] Figure 4 It is an exploded view of the closed screw rod module of the utility model;

[0023] Figure 5 It is a front view of the screw rod module of the utility model.

[0024] In the drawing: 1, base; 2, sliding groove; 3, connecting table; 4, limit block; 5, screw rod assembly; 6, sliding seat; 7, connecting part; 8, closed cover; 9, first end cover; 10, second end cover; 11, shell; 12, driving motor; 13, heat dissipation fan wheel; 14, fixed cover; 15, guide plate; 16, speed reducer; 17, connecting plate. DETAILED DESCRIPTION

[0025] In order to make the technical means, creation characteristics, achieve purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0026] Embodiment one

[0027] As Figures 1 to 5 shown, we introduce a carefully designed closed screw module in detail, which mainly includes: base 1, sliding groove 2, connecting table 3, screw assembly 5, sliding seat 6 and other key components. The sliding groove 2 is ingeniously arranged at the bottom of the cavity of the base 1, and the connecting table 3 is stably seated in the sliding groove 2. What is particularly important is that the screw assembly 5 is accurately connected at the opening position of the connecting table 3, and the sliding seat 6 is ingeniously installed on the connecting table 3, which ensures the stability and efficient operation of the whole system.

[0028] In order to further improve the closure and functionality of the system, the connecting part 7 is specially designed on both sides of the sliding seat 6, which not only enhances the stability of the structure, but also facilitates subsequent installation and debugging. In addition, the first end cover 9 and the second end cover 10 are respectively installed at the front and rear ends of the base 1, and the closing cover 8 is equipped at the top of the base 1. The three work together to realize the complete closure of the opening of the base 1, effectively preventing the intrusion of external impurities. At the same time, the sliding seat 6 and its connecting part 7 can move flexibly along the tiny gap between the closing cover 8 and the base 1, ensuring the smooth operation of the system.

[0029] In terms of power transmission, this embodiment adopts an advanced combination of driving motor 12 and speed reducer 16. Specifically, the output end of the driving motor 12 is connected closely with the screw assembly 5 through the speed reducer 16. In order to improve the heat dissipation effect and prolong the service life of the motor, the output end of the driving motor 12 is specially installed with a heat dissipation fan 13. When the motor is running, the heat dissipation fan 13 will rotate, introducing fresh air into the inner cavity of the base 1 through the guide plate 15. This design not only realizes the air flow and equipment cooling inside the base 1, but also effectively blows out dust particles in the gap, maintaining the cleanliness and efficiency of the system.

[0030] The sliding seat 6 and the connecting table 3 are firmly connected by bolts. The sliding seat 6 and the connecting part 7 adopt an integrated design, and the cross section presents a unique "U" shape design. Such design not only looks beautiful and elegant, but also enhances the stability and carrying capacity of the structure. In addition, the end face of the connecting part 7 is ingeniously provided with screw holes, which is convenient for subsequent installation and debugging work.

[0031] This embodiment also demonstrates a very high level. For example, the screw rod assembly 5 is cleverly erected on the second end cover 10 through the bearing assembly, and is tightly connected with the output end of the speed reducer 16 through the clamp. Such design not only ensures the stable operation of the screw rod assembly 5, but also greatly simplifies the installation and maintenance process. At the same time, the sliding seat 6, the connecting part 7 and the base 1 in contact with them are designed to be smooth, further reducing the friction resistance and wear degree.

[0032] In terms of installation and fixation of the driving motor 12, this embodiment also shows a high professionalism. The driving motor 12 is firmly installed on the fixed cover 14 and the shell 11 through bolts. The cooling fan 13 is cleverly clamped on the block at the output end of the driving motor 12 and is limited and fixed by bolts. In addition, in order to further improve the stability and safety of the system, bearings are specially arranged between the driving motor 12 and the fixed cover 14 to bear radial and axial loads.

[0033] Embodiment two

[0034] On the basis of keeping all the advantages of embodiment one, embodiment two also makes a series of innovative improvements and enhancements. First of all, in order to further improve the stability and moving precision of the connecting table 3, we specially add limiting blocks 4 to the side wall of the connecting table 3. These limiting blocks 4 can be accurately erected in the limiting grooves of the side wall of the sliding groove 2, effectively limiting the shaking and deviation of the connecting table 3 during movement. This design not only improves the overall performance and reliability of the system, but also brings users a smoother and more accurate use experience.

[0035] In addition, we have also further optimized and innovated the design of the guide plate 15. The guide plate 15 is cleverly divided into a connecting frame and a plurality of inclined drainage plates. These inclined drainage plates are equally distributed on the end face of the connecting frame, forming a unique air flow channel. When the fresh air is introduced into the inner cavity of the base 1 through the guide plate 15, these inclined drainage plates can guide the airflow to flow in a specific direction, thereby achieving a more efficient and uniform heat dissipation effect. At the same time, the connecting frame is firmly fixed on the fixed cover 14 through bolts, and the guide plate 15 and the connecting plate 17 are fixed by welding to ensure their stability. The connecting plate 17 is fixed on the first end cover 9 by bolts to form a complete air flow system.

[0036] Embodiment two further improves the overall performance and reliability of the closed screw rod module by a series of innovative improvements and enhancements on the basis of keeping the original advantages. No matter from the aspects of structural design, power transmission or detail processing, it shows a very high level and professionalism.

[0037] Use process: Place the base 1 in the predetermined position and make sure it is stable. Install the sliding groove 2 at the bottom of the cavity of the base 1, make sure it is installed flat. Place the connecting table 3 in the sliding groove 2, and cooperate with the limiting block 4 and the limiting groove of the sliding groove 2 to ensure the stability of the connecting table 3. Install the lead screw assembly 5 on the second end cover 10 through the bearing assembly, and connect it with the output end of the reducer 16 through the clamp. Install the driving motor 12 on the fixed cover 14 and the shell 11 through bolts, and install the cooling fan 13 on the output end of the motor. Install the first end cover 9, the second end cover 10 and the closure cover 8 to ensure that the opening of the base 1 is completely closed.

[0038] Start the driving motor 12, and the motor drives the lead screw assembly 5 to rotate through the reducer 16. The rotation of the lead screw assembly 5 drives the sliding seat 6 to move along the sliding groove 2 on the connecting table 3, realizing precise position control. The sliding seat 6 and its connecting part 7 move flexibly in the gap between the closure cover 8 and the base 1, ensuring smooth operation.

[0039] When the motor is running, the cooling fan 13 rotates to introduce fresh air into the inner cavity of the base 1 through the guide plate 15. The fresh air flows in the inner cavity of the base 1, carrying away the heat generated by the motor and the lead screw assembly 5, realizing the cooling effect. At the same time, the airflow blows through the gap, carrying out the dust particles, keeping the system clean.

[0040] When cooling and dust removal: when the driving motor 12 starts to work, the cooling fan 13 starts synchronously. The rotation of the cooling fan 13 generates wind power, which guides fresh air into the inner cavity of the base 1 through the guide plate 15. The fresh air flows in the inner cavity of the base 1, forming air circulation. The flowing air carries away the heat generated by the motor, the reducer 16 and the lead screw assembly 5, realizing the cooling of the equipment. Especially for the motor part, the direct blowing effect of the cooling fan 13 is particularly significant, effectively prolonging the service life of the motor. In the process of air flow, the airflow blows through the gap between the sliding seat 6 and the connecting part 7. The dust particles that may accumulate in these gaps are carried out by the airflow and discharged out of the system through the opening or exhaust port of the base 1. Especially under the optimization design of the guide plate 15, the inclined guide plate can guide the airflow to flow in a specific direction, improving the dust removal efficiency. During the continuous operation of the equipment, the cooling and dust removal system remains in working condition. Regularly check and clean the dust on the inner cavity of the base 1 and the guide plate 15 to ensure the cleanliness and efficient operation of the system. If necessary, the speed of the cooling fan 13 or the angle of the guide plate 15 can be adjusted to optimize the cooling and dust removal effect.

[0041] It is to be noted that, in the present document, relational terms such as first and second, and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0042] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A closed screw module, comprising a base (1), a sliding groove (2), a connecting table (3), a screw assembly (5), and a sliding seat (6), wherein the sliding groove (2) is located at the bottom of the cavity of the base (1), the connecting table (3) is located in the groove of the sliding groove (2), the screw assembly (5) is connected in the opening of the connecting table (3), and the sliding seat (6) is installed on the connecting table (3), characterized in that: Both sides of the slide (6) are provided with connecting parts (7), the front and rear ends of the base (1) are provided with first end covers (9) and second end covers (10), and the upper end of the base (1) is provided with a closing cover (8), the opening of the base (1) is closed through the closing cover (8), the first end cover (9) and the second end cover (10), and the slide (6) and the connecting part (7) move along the gap between the closing cover (8) and the base (1); The output end of the screw rod assembly (5) is connected with the driving motor (12) through the reducer (16), the output end of the driving motor (12) is provided with a heat dissipation fan (13), the output end of the driving motor (12) is connected with the reducer (16), the heat dissipation fan (13) and the reducer (16) are provided with a fixed cover (14), the fixed cover (14) is connected with an outer shell (11), the outer shell (11) covers the driving motor (12), the fixed cover (14) and the first end cover (9) are provided with a flow guide plate (15) and a connecting plate (17), the heat dissipation fan (13) is driven to rotate by the driving motor (12), new air is introduced into the inner cavity of the base (1) through the first end cover (9) through the flow guide plate (15), air flow in the base (1) is realized, and the device is cooled and dust particles in the gap are blown out.

2. The closed type lead screw module according to claim 1, wherein: The side wall of the connecting table (3) is provided with a limiting block (4), and the limiting block (4) is arranged in the limiting groove in the side wall of the sliding groove (2), and the stable movement of the connecting table (3) is realized through the limiting block (4) and the limiting groove.

3. The closed type lead screw module according to claim 1 or 2, characterized in that: The slide (6) is connected with the connecting table (3) through bolts, the slide (6) and the connecting part (7) are designed integrally, the cross section of the slide (6) and the connecting part (7) is designed in a "U" shape, and screw holes are formed in the end face of the connecting part (7).

4. The closed type lead screw module according to claim 3, wherein: The screw rod assembly (5) is arranged on the second end cover (10) through a bearing assembly, the output end of the screw rod assembly (5) is connected with the reducer (16) through a clamp, and the slide (6), the connecting part (7) and the base (1) in contact with them are designed to be smooth.

5. The closed type lead screw module according to claim 4, wherein: The driving motor (12) is installed on the fixed cover (14) and the outer shell (11) through bolts, the heat dissipation fan (13) is clamped on the block at the output end of the driving motor (12), the heat dissipation fan (13) is limited on the output end of the driving motor (12) through bolts, and the bearing is arranged between the driving motor (12) and the fixed cover (14).

6. The closed type lead screw module according to claim 5, wherein: The flow guide plate (15) is divided into a connecting frame and inclined flow guide plates, a plurality of inclined flow guide plates are equidistantly distributed on the end face of the connecting frame, the connecting frame is fixed on the fixed cover (14) through bolts, the flow guide plate (15) is welded and fixed with the connecting plate (17), and the connecting plate (17) is fixed on the first end cover (9) through bolts.

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