Machine tool bearing seat

Abstract

The utility model discloses a machine tool bearing seat, which relates to the field of machine tool parts, solves the problem of poor heat dissipation effect of the existing bearing seat, and comprises a mounting pipe and two fixed seats symmetrically mounted at two ends of the mounting pipe, and further comprises a transmission shaft arranged on the inner side of the mounting pipe, a bearing cavity is formed between the mounting pipe and the fixed seat, and a bearing body rotationally mounted on the outer side of the transmission shaft is arranged in the bearing cavity; the heat dissipation mechanism is used for conducting uniform heat dissipation on the installation pipe and the bearing cavity, the heat dissipation mechanism is installed on the outer side of the installation pipe and extends into the installation pipe, through the heat dissipation mechanism, cooling liquid is distributed on the outer side of the installation pipe in a spiral surrounding mode, the temperature generated when the transmission shaft rotates is reduced, the heat dissipation efficiency is improved, and the service life of the transmission shaft is prolonged. And the bearing body is subjected to synchronous heat dissipation, so that the effect of comprehensive heat dissipation is achieved.

Description

Technical Field

[0001] The utility model relates to the field of machine tool components, and specifically relates to a machine tool bearing seat. Background Art

[0002] A machine tool bearing seat is an important component in a machine tool device for supporting bearings. Its main functions include supporting a rotating shaft, bearing axial and radial loads, and lubricating the bearings through the lubricating oil inside it to reduce friction and wear, thereby ensuring the long-term stable operation of the bearings.

[0003] When the bearings inside the bearing seat rotate for a long time, due to friction, a relatively high temperature will be generated, which is likely to cause wear of the bearings, and then reduce the machining accuracy of the machine tool. Existing bearing seats will inject coolant inside to cool the bearings. Although it can achieve the effect of cooling the bearings, the bearing seats are all made of metal materials. When the bearings rotate, it will also cause frictional heat generation to the bearing seats. Cooling the bearings alone will not affect the temperature reduction of the bearing seats, and the heat dissipation effect is poor. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a machine tool bearing seat, which can solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A machine tool bearing seat includes an installation pipe and two fixed seats symmetrically installed at both ends of the installation pipe, and further includes: a transmission shaft arranged inside the installation pipe, a bearing cavity is opened between the installation pipe and the fixed seats, and a bearing body rotatably installed outside the transmission shaft is arranged inside the bearing cavity; a heat dissipation mechanism for uniformly dissipating heat from the installation pipe and the bearing cavity, the heat dissipation mechanism is installed outside the installation pipe and extends to the inside of the installation pipe; a fixed shaft mechanism for quickly installing and disassembling the bearing cavity for the bearing body, the fixed shaft mechanism is installed outside the fixed seat.

[0006] Preferably, the heat dissipation mechanism includes a heat conduction cylinder fixedly installed inside the installation pipe. A water pipe for storing coolant is arranged between the outer side of the heat conduction cylinder and the inner side of the installation pipe. The installation pipe is dissipated by the coolant. The water pipe is spirally wound around the outer side of the heat conduction cylinder to dissipate heat from the installation pipe comprehensively. Both ends of the water pipe extend to the outside of the installation pipe. A cooling box is fixedly connected to the outside of the installation pipe for conducting the heat brought out by the water pipe. Both ends of the water pipe are fixedly installed on the surface of the cooling box close to the installation pipe. Heat conduction rings are fixedly connected to both ends of the heat conduction cylinder and extend to the inside of the bearing cavity for dissipating heat from the bearing body inside the bearing cavity. Water valves are fixedly installed at both ends of the water pipe.

[0007] Preferably, the fixed axis mechanism includes an insert tube fixedly mounted on the fixing seat close to a side of the mounting tube, and the surface of the mounting tube is provided with an annular groove for limiting the insertion of the insert tube, so as to facilitate the docking of the fixing seat and the mounting tube, and both ends of the mounting tube are fixedly connected with symmetrically distributed bolts, one end of the bolt passes through the fixing seat, and the fixing seat is fixedly mounted on the mounting tube by the bolts, and two symmetrically distributed annular clamping shells are arranged in the bearing cavity, and the bearing body is located between the two annular clamping shells to provide positioning for the bearing body.

[0008] Preferably, a spiral heat-conducting strip is fixedly connected between the outer side of the water pipe and the heat-conducting cylinder to improve the heat dissipation efficiency of the water pipe.

[0009] Preferably, a positioning cylinder is provided on the inner side of the heat-conducting cylinder, and the positioning cylinder is slidably sleeved on the outer side of the transmission shaft. A plurality of heat dissipation strips equidistantly distributed in an annular shape are fixedly connected between the positioning cylinder and the transmission shaft, so as to quickly extract the temperature generated by the rotation of the transmission shaft.

[0010] Preferably, the annular clamping shell is made of heat-conducting material to facilitate rapid heat dissipation of the bearing body.

[0011] Preferably, flanges are fixedly connected to both ends of the fixing seat to facilitate installation of the fixing seat and the machine tool.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model uses a heat dissipation mechanism to distribute the coolant on the outside of the mounting tube in a spiral manner, thereby reducing the temperature generated by the transmission shaft during rotation and simultaneously dissipating the heat of the bearing body, thereby achieving a comprehensive heat dissipation effect.

[0014] 2. The utility model uses the fixed axis mechanism to quickly fix the two fixing seats on the two ends of the installation tube, quickly position the bearing body, and disassemble it for oiling and maintenance, thereby improving the durability of the bearing body and achieving the effect of facilitating installation and disassembly and lubrication. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the cooling box and the heat-conducting tube structure in the utility model;

[0017] Figure 3 This is a schematic diagram of the installation pipe and water pipe structure in the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the fixed seat and the bearing body in the utility model;

[0019] Figure 5 This is a schematic diagram of the insertion cylinder and the annular clamping shell structure in the present utility model.

[0020] In the figure: 1. Installation pipe; 2. Fixed seat; 3. Heat dissipation mechanism; 301. Heat conduction cylinder; 302. Water pipe; 303. Cooling box; 304. Heat conduction ring; 305. Water valve; 4. Fixed shaft mechanism; 401. Insertion cylinder; 402. Bolt; 403. Annular clamping shell; 5. Transmission shaft; 6. Bearing cavity; 7. Bearing body; 8. Spiral heat conduction strip; 9. Positioning cylinder; 10. Heat dissipation strip; 11. Flange. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0022] Embodiment 1: Please refer to Figures 1 - 3 , a machine tool bearing seat shown in the figure, includes an installation pipe 1 and two fixed seats 2 symmetrically installed at both ends of the installation pipe 1, and further includes: a transmission shaft 5 arranged inside the installation pipe 1, a bearing cavity 6 is provided between the installation pipe 1 and the fixed seat 2, and a bearing body 7 rotatably installed on the outer side of the transmission shaft 5 is arranged in the bearing cavity 6; a heat dissipation mechanism 3 for uniformly dissipating heat from the installation pipe 1 and the bearing cavity 6, the heat dissipation mechanism 3 is installed on the outer side of the installation pipe 1 and extends into the installation pipe 1; a fixed shaft mechanism 4 for quickly installing and disassembling the bearing cavity 6 for the bearing body 7, the fixed shaft mechanism 4 is installed on the outer side of the fixed seat 2.

[0023] Please refer to Figures 2 - 4 , in the figure, the heat dissipation mechanism 3 includes a heat conduction cylinder 301 fixedly installed inside the installation pipe 1, a water pipe 302 for storing coolant is arranged between the outer side of the heat conduction cylinder 301 and the inner side of the installation pipe 1, the installation pipe 1 is dissipated by the coolant, the water pipe 302 is spirally wound around the outer side of the heat conduction cylinder 301 to dissipate heat from the installation pipe 1 comprehensively, both ends of the water pipe 302 extend to the outer side of the installation pipe 1, a cooling box 303 is fixedly connected to the outer side of the installation pipe 1 for conducting the heat brought out by the water pipe 302, both ends of the water pipe 302 are fixedly installed on the side of the cooling box 303 close to the installation pipe 1, both ends of the heat conduction cylinder 301 are fixedly connected with heat conduction rings 304, and the heat conduction rings 304 extend into the bearing cavity 6 for dissipating heat from the bearing body 7 in the bearing cavity 6, and water valves 305 are fixedly installed at both ends of the water pipe 302;

[0024] The water pipe 302 with a spiral structure is evenly wound around the outer side of the heat conduction cylinder 301, so that the coolant in the water pipe 302 conducts out the temperature generated when the transmission shaft 5 rotates through the heat conduction cylinder 301, and the heat conduction cylinder 301 conducts out the temperature in the bearing cavity 6 through the heat conduction ring 304, so as to quickly dissipate the heat of the bearing body 7, thus achieving the effect of comprehensive heat dissipation.

[0025] Please refer to Figures 2 - 5 , in the figure, the fixed-axis mechanism 4 includes an insertion cylinder 401 fixedly installed on one side of the fixed seat 2 close to the installation pipe 1. An annular groove for the insertion cylinder 401 to be limited and inserted is formed on the surface of the installation pipe 1, which is convenient for the docking of the fixed seat 2 and the installation pipe 1. Both ends of the installation pipe 1 are fixedly connected with symmetrically distributed bolts 402. One end of the bolt 402 penetrates through the fixed seat 2, and the fixed seat 2 is fixedly installed on the installation pipe 1 through the bolt 402. Two symmetrically distributed annular clamping shells 403 are arranged in the bearing cavity 6, and the bearing body 7 is located between the two annular clamping shells 403 to provide positioning for the bearing body 7;

[0026] The user inserts the bearing body 7 into the annular clamping shell 403 in the bearing cavity 6 of the installation pipe 1. Then, the insertion cylinder 401 on the fixed seat 2 is inserted into the annular groove of the installation pipe 1, so that the annular clamping shell 403 on the fixed seat 2 is sleeved on the outer side of the bearing body 7, and the fixed seat 2 is fixed on the installation pipe 1 through two bolts 402. The two annular clamping shells 403 in the same bearing cavity 6 are adjacent to each other to position the bearing body 7, and the installation of the bearing body 7 can be completed, thus achieving the effect of rapid installation. And loosening the bolt 402 can inject lubricating oil into the bearing body 7, which is convenient for later maintenance.

[0027] Working principle: First, the user inserts the bearing body 7 into the annular clamping shell 403 in the bearing cavity 6 of the installation pipe 1. Then, the insertion cylinder 401 on the fixed seat 2 is inserted into the annular groove of the installation pipe 1, so that the annular clamping shell 403 on the fixed seat 2 is sleeved on the outer side of the bearing body 7, and the fixed seat 2 is fixed on the installation pipe 1 through two bolts 402. The two annular clamping shells 403 in the same bearing cavity 6 are adjacent to each other to position the bearing body 7. The water pipe 302 with a spiral structure is evenly wound around the outer side of the heat conduction cylinder 301. When the transmission shaft 5 rotates, the coolant in the water pipe 302 conducts out the temperature generated by the transmission shaft 5 through the heat conduction cylinder 301, and the heat conduction cylinder 301 conducts out the temperature in the bearing cavity 6 through the heat conduction ring 304, so as to quickly dissipate the heat of the bearing body 7, thus achieving the effect of comprehensive heat dissipation.

[0028] Embodiment 2: Please refer to Figure 2 and Figure 3, this embodiment further elaborates on the first embodiment. A spiral heat conduction strip 8 is fixedly connected between the outer side of the water pipe 302 and the heat conduction cylinder 301 in the figure, improving the heat dissipation efficiency of the water pipe 302. A positioning cylinder 9 is arranged inside the heat conduction cylinder 301. The positioning cylinder 9 is slidably sleeved on the outer side of the transmission shaft 5. A plurality of heat dissipation strips 10 distributed at equal intervals in a ring shape are fixedly connected between the positioning cylinder 9 and the transmission shaft 5, facilitating the rapid conduction of the temperature generated by the rotation of the transmission shaft 5.

[0029] In this embodiment, the water pipe 302 dissipates heat to the heat conduction cylinder 301 through the spiral heat conduction strip 8, facilitating the rapid conduction of the heat in the installation pipe 1. Moreover, the positioning cylinder 9 can rapidly conduct the temperature generated by the transmission shaft 5 through the heat dissipation strips 10, improving the heat dissipation efficiency.

[0030] Embodiment Three: Please refer to Figures 2 - 5 , this embodiment further elaborates on other embodiments. The annular clamp shell 403 in the figure is made of a heat-conducting material, facilitating the rapid heat dissipation of the bearing body 7. Flanges 11 are fixedly connected to both ends of the fixed seat 2, facilitating the installation of the fixed seat 2 on the machine tool.

[0031] In this embodiment: The purpose is that the coolant in the water pipe 302 is conducted to the heat conduction ring 304 through the heat conduction cylinder 301. The heat conduction ring 304 can take away the heat generated by the friction of the bearing body 7 through the annular clamp shell 403, facilitating the rapid heat dissipation of the bearing body 7. Moreover, the user can install it on the machine tool through the flange 11 on the fixed seat 2, improving the convenience of installing this bearing seat.

[0032] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "including" - "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process - method - article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process - method - article or device.

[0033] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A machine tool bearing housing, comprising an installation pipe (1) and two fixing seats (2) symmetrically installed at both ends of the installation pipe (1), characterized in that, It further includes: A transmission shaft (5) disposed inside the mounting pipe (1). A bearing cavity (6) is formed between the mounting pipe (1) and the fixed seat (2). A bearing body (7) rotatably mounted on the outer side of the transmission shaft (5) is disposed inside the bearing cavity (6); A heat dissipation mechanism (3) for uniformly dissipating heat from the mounting pipe (1) and the bearing cavity (6). The heat dissipation mechanism (3) is mounted on the outer side of the mounting pipe (1) and extends into the interior of the mounting pipe (1); A fixed-axis mechanism (4) for quickly installing and disassembling the bearing body (7) in the bearing cavity (6). The fixed-axis mechanism (4) is mounted on the outer side of the fixed seat (2).

2. The machine tool bearing block according to claim 1, wherein: The heat dissipation mechanism (3) includes a heat conduction cylinder (301) fixedly mounted inside the mounting pipe (1). A water pipe (302) for storing coolant is disposed between the outer side of the heat conduction cylinder (301) and the inner side of the mounting pipe (1). The water pipe (302) is spirally wound around the outer side of the heat conduction cylinder (301). Both ends of the water pipe (302) extend to the outer side of the mounting pipe (1). A cooling box (303) is fixedly connected to the outer side of the mounting pipe (1). Both ends of the water pipe (302) are fixedly mounted on the surface of the cooling box (303) close to the mounting pipe (1). Heat conduction rings (304) are fixedly connected to both ends of the heat conduction cylinder (301). The heat conduction rings (304) extend into the interior of the bearing cavity (6). Water valves (305) are fixedly mounted at both ends of the water pipe (302).

3. The machine tool bearing block according to claim 2, wherein: The fixed-axis mechanism (4) includes a plug cylinder (401) fixedly mounted on the surface of the fixed seat (2) close to the mounting pipe (1). An annular groove for the plug cylinder (401) to be inserted and limited is formed on the surface of the mounting pipe (1). Bolts (402) symmetrically distributed are fixedly connected to both ends of the mounting pipe (1). One end of each bolt (402) penetrates through the fixed seat (2). Two annular clamping shells (403) symmetrically distributed are disposed inside the bearing cavity (6). The bearing body (7) is located between the two annular clamping shells (403).

4. The machine tool bearing block according to claim 2, characterized in that: Spiral heat conduction strips (8) are fixedly connected between the outer side of the water pipe (302) and the heat conduction cylinder (301).

5. The machine tool bearing block according to claim 2, characterized in that: A positioning cylinder (9) is disposed inside the heat conduction cylinder (301). The positioning cylinder (9) is slidably sleeved on the outer side of the transmission shaft (5). A plurality of heat dissipation strips (10) annularly and equidistantly distributed are fixedly connected between the positioning cylinder (9) and the transmission shaft (5).

6. The machine tool bearing housing according to claim 3, characterized in that: The annular clamping shell (403) is made of a heat-conducting material.

7. A machine tool bearing housing according to claim 1, characterized in that: Flanges (11) are fixedly connected to both ends of the fixed seat (2).

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