Hollow cooling sealing device for ball screw
By incorporating a cooling mechanism into the ball screw, the flow path length and heat exchange area of the coolant are increased, thus solving the problem of poor heat dissipation in existing technologies and achieving more efficient heat dissipation and cooling effects.
Patent Information
- Application Number
- CN202520591338.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-04-01
AI Technical Summary
In existing hollow cooling systems for ball screws, the coolant has a short flow path, resulting in poor heat dissipation and a small contact area, making further improvement difficult.
A hollow cooling and sealing device for ball screws is designed. By setting a cooling mechanism inside the screw seat, including an inner end plate, an outer end plate, a strip plate and an annular plate, the coolant flows in an "S" shape, increasing the flow path length and the heat exchange area.
It improves the heat dissipation and cooling speed of the coolant, avoids excessive temperature rise of the ball bearings, and enhances the heat dissipation effect.
Smart Images
Figure CN223725325U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the sealing cooling field of ball screw, specifically a hollow cooling sealing device of ball screw. BACKGROUND
[0002] The hollow cooling screw rod is provided with a heat dissipation channel in the screw rod base, and the heat generated during the operation of the screw rod is removed through liquid cooling.
[0003] In the prior art, the cooling liquid enters the screw rod base, and the flow channel path is short, so the contact area is small, which leads to the space for further improving the heat dissipation effect UTILITY MODEL CONTENTS
[0004] The utility model discloses a hollow cooling sealing device of ball screw.
[0005] To achieve the above object, the utility model provides the following technical scheme: a hollow cooling sealing device of ball screw, including the connecting plate, the one end of connecting plate is integrative and has the screw rod base, the inside of connecting plate with Screw rod base is set up and has the round hole, the outer wall of screw rod base is inlayed and is connected to the block, the round hole of screw rod base inner circle is set up and has the raceway that extends to the one end of the block in the inside of screw rod base, the inside of raceway is swinged to connect with a plurality of ball, the one end of connecting plate is set up and has the installation slot that is passed to the inside of screw rod base, the inside of installation slot is installed with cooling mechanism.
[0006] As a further scheme of the utility model: the cooling mechanism includes the inner end plate that is inserted in the inner wall of installation slot and the outer end plate that is located at the opening end of installation slot, a plurality of strip plates are fixedly connected between the outer end plate and the inner wall of the installation slot, a plurality of strip plates are equidistantly distributed in the circumferential direction, and an annular plate is fixedly connected between the outer end plate and the installation slot and fixedly connected with the outer periphery of the strip plate.
[0007] As a further scheme of the utility model: the one end of connecting plate is set up and has the containing groove that contains the outer end plate.
[0008] As a further scheme of the utility model: the end of adjacent strip plate is staggered and distributed, and is used for the cooling liquid to flow in the "S" shape.
[0009] As a further scheme of the utility model: the one end of outer end plate is installed with two connecting pipes, and the inner cavity of the installation slot is communicated with the two connecting pipes.
[0010] As a further improvement of this utility model, extrusion-type sealing rings are installed on the surfaces of the inner end plate and the mounting groove, and the outer end plate and the receiving groove.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] 1. By setting up a cooling mechanism, the flow path length of the coolant is increased, thereby increasing the heat exchange area of the coolant and improving the speed of heat dissipation and cooling. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this utility model;
[0014] Figure 2 This is a schematic diagram of the installation of the ball bearings of this utility model;
[0015] Figure 3 This is a schematic diagram of the installation of the cooling mechanism of this utility model;
[0016] Figure 4 This is a schematic diagram of the installation of the outer fixing ring of this utility model.
[0017] In the diagram: 1. Connecting plate; 2. Lead screw seat; 3. Connecting block; 4. Connecting pipe; 5. Raceway; 6. Ball bearing; 7. Outer end plate; 8. Receiving groove; 9. Mounting groove; 10. Strip plate; 11. Inner end plate; 12. Annular plate. Detailed Implementation
[0018] 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.
[0019] Please see Figures 1-4 In this embodiment of the utility model, a hollow cooling and sealing device for a ball screw includes a connecting plate 1. One end of the connecting plate 1 is integrally formed with a screw seat 2. The connecting plate 1 and the screw seat 2 have a circular hole inside. The outer wall of the screw seat 2 is embedded with a docking block 3. The inner circumference of the circular hole of the screw seat 2 has a raceway 5 extending to one end of the docking block 3 located inside the screw seat 2. Multiple balls 6 are movably connected inside the raceway 5. The end of the connecting plate 1 away from the screw seat 2 has an installation groove 9 that penetrates into the inside of the screw seat 2. A cooling mechanism is installed inside the installation groove 9.
[0020] In the embodiment, when the screw rod is driven to rotate, the screw rod base 2 is displaced along the length direction of the screw rod under the limitation of the balls 6, and the balls 6 slide in the raceways 5, the balls 6 are continuously moved under the friction force, the temperature of the balls 6 is increased under the friction force, at this time, the cooling liquid is pumped into the cooling mechanism by the cooling liquid pump and is continuously circulated, the cooling liquid in circulation can take out the temperature generated by the friction, so as to avoid excessive temperature rise.
[0021] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 and Figure 4 , the cooling mechanism comprises an inner end plate 11 inserted into the inner wall of the mounting groove 9 and an outer end plate 7 located at the opening end of the mounting groove 9, a plurality of strip plates 10 are fixedly connected between the outer end plate 7 and the inner wall of the mounting groove 9, the plurality of strip plates 10 are equidistantly distributed in the circumferential direction, the outer end plate 7 and the mounting groove 9 are fixedly connected with the annular plate 12 fixedly connected with the outer periphery of the strip plate 10, and the outer end plate 7 is provided with two butt pipes 4 at one end aligned with the connecting plate 1, and the two butt pipes 4 are communicated with the inner cavity of the mounting groove 9.
[0022] In the embodiment, the cooling liquid pump pumps the cooling liquid into one butt pipe 4 through a hose, the cooling liquid enters the inner cavity of the annular plate 12 through the high butt pipe 4 and flows in an "S" shape along the plurality of strip plates 10, and a corresponding heat exchange reaction can be carried out during the flow process, so that the temperature rise of the balls 6 during long-time operation can be avoided, the cooling liquid flows out through another butt pipe 4 during the flow process of the cooling liquid, and is discharged to the cooling liquid tank through the hose connected with the other butt pipe 4, and can be used continuously after natural heat dissipation.
[0023] Please refer to Figure 1 and Figure 2 , the connecting plate 1 is provided with a containing groove 8 containing the outer end plate 7 at the end away from the screw rod base 2.
[0024] In the embodiment, the design can facilitate the alignment of the end of the outer end plate 7 with the end face of the connecting plate 1 after the outer end plate 7 is connected with the containing groove 8.
[0025] Please refer to Figure 3 and Figure 4 , the end portions of adjacent strip plates 10 are in a staggered distribution state for the "S" type flow of the cooling liquid.
[0026] In the embodiment, the design can increase the flow path of the cooling liquid and facilitate better heat dissipation.
[0027] Please refer to Figure 3 and Figure 4The inner end plate 11 and the outer end plate 7 are provided with extruded sealing rings on the surfaces abutting with the mounting groove 9 and the containing groove 8.
[0028] In the embodiment, the design of the extruded sealing ring can avoid the leakage of the cooling liquid during the circulation cooling process.
[0029] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent substitutions or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A hollow cooling sealing device for ball screw, comprising a connecting plate (1), characterized in that, One end of the connecting plate (1) is integrally formed with a screw seat (2), the connecting plate (1) and the screw seat (2) are provided with a circular hole in the inside, the outer wall of the screw seat (2) is embedded with a butt joint block (3), the circular hole of the screw seat (2) is provided with a raceway (5) extending to the inside of the screw seat (2) at one end of the butt joint block (3), the inside of the raceway (5) is movably connected with a plurality of ball bearings (6), the end of the connecting plate (1) away from the screw seat (2) is provided with a mounting groove (9) penetrating into the inside of the screw seat (2), and the inside of the mounting groove (9) is mounted with a cooling mechanism; The cooling mechanism comprises an inner end plate (11) inserted into the inner wall of the mounting groove (9) and an outer end plate (7) located at the opening end of the mounting groove (9), a plurality of strip plates (10) are fixedly connected between the outer end plate (7) and the inner wall of the mounting groove (9), the plurality of strip plates (10) are equidistantly distributed in the circumferential direction, and the outer end plate (7) and the mounting groove (9) are fixedly connected with an annular plate (12) fixedly connected with the outer periphery of the strip plate (10).
2. A hollow cooling seal for a ball screw as set forth in claim 1, wherein, The end of the connecting plate (1) away from the screw seat (2) is provided with a containing groove (8) containing the outer end plate (7).
3. A hollow cooling seal for a ball screw as set forth in claim 2, wherein The end portions of adjacent strip plates (10) are in a staggered distribution state for the cooling liquid to flow in an "S" shape.
4. A hollow cooling seal for a ball screw as set forth in claim 3, wherein Two butt joint pipes (4) are mounted at the end of the outer end plate (7) aligned with the connecting plate (1), and the two butt joint pipes (4) are communicated with the inner cavity of the mounting groove (9).
5. A hollow cooling seal for a ball screw as set forth in claim 4, wherein The inner end plate (11), the mounting groove (9), the outer end plate (7) and the containing groove (8) are all provided with extrusion type sealing rings on the abutting surfaces.