Hydraulic three-jaw chuck

Abstract

The utility model relates to the technical field of three-jaw chucks, in particular to a hydraulic three-jaw chuck which comprises a chuck body, a heat dissipation ring, a heat dissipation cavity, heat exchange shells, a heat dissipation mechanism and heat conduction silica gel, the heat dissipation ring is fixedly arranged on the chuck body, the heat dissipation cavity is formed in the heat dissipation ring and filled with heat conduction oil, the number of the heat exchange shells is two, and the heat dissipation mechanism is arranged in the heat exchange shells. The two heat exchange shells are fixedly arranged at the two ends of the heat dissipation ring, the heat dissipation mechanisms are arranged in the heat exchange shells and used for conducting heat dissipation on the heat dissipation ring, and the heat conduction silica gel is fixedly arranged between the heat dissipation ring and the chuck body, so that heat of the chuck body is conveniently conducted into the heat conduction oil, and meanwhile heat exchange is conducted with the heat conduction oil through cooling liquid and airflow. And therefore, the heat conduction oil can be cooled conveniently, the chuck body can be cooled, and the problem that the using effect is affected due to the fact that the temperature of a three-jaw chuck in the related technology rises in the using process is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of three-jaw chucks, in particular to a hydraulic three-jaw chuck. Background Art

[0002] The hydraulic three-jaw chuck is a clamp controlled by a hydraulic system. It can be used to clamp the workpiece on the turntable positioner and assist the workpiece to follow the turntable positioner for position change. The hydraulic three-jaw chuck can be divided into two structures. One is the front-mounted hydraulic three-jaw chuck, which integrates the chuck and the rotary cylinder. This installation is simple and convenient, and the price is affordable. The other is the rear-pull hydraulic three-jaw chuck, which is the chuck installed at the front end of the lathe spindle and the rotary hydraulic cylinder installed at the rear end of the lathe spindle.

[0003] Some existing hydraulic power chucks are unstable during use, which may cause the hydraulic power chuck to become unbalanced during use. Therefore, the prior art publication number CN216632644U discloses a three-jaw self-centering hydraulic power chuck. The utility model drives the rotating disk to rotate by cooperating with a hydraulic rod, a worm and a threaded groove inside the rotating disk, and uses a telescopic shaft to maintain the stability of the rotating disk to prevent the rotating disk from deviating from its trajectory during rotation.

[0004] However, the above-mentioned prior art still has the following problems when in use: since the hydraulic three-jaw chuck needs to be frequently opened and clamped when in use, the movable plate supported under the jaws frequently moves in the slide groove, which will generate friction heat, causing the temperature of the entire hydraulic three-jaw chuck to rise. When the temperature of the hydraulic three-jaw chuck is too high, the temperature of the hydraulic oil used in the hydraulic three-jaw chuck will increase, resulting in a decrease in the viscosity and lubricity of the hydraulic oil, which will affect the normal use of the hydraulic three-jaw chuck. Utility Model Content

[0005] The utility model provides a hydraulic three-jaw chuck, which solves the problem in the related art that the temperature of the three-jaw chuck increases during use, thus affecting the use effect.

[0006] The technical solution of the utility model is as follows: a hydraulic three-jaw chuck, comprising a chuck body, a heat dissipation ring, a heat dissipation cavity, a heat exchange shell, a heat dissipation mechanism and heat-conducting silica gel;

[0007] The heat dissipation ring is fixedly arranged on the chuck body;

[0008] The heat dissipation cavity is arranged in the heat dissipation ring, and the heat dissipation cavity is filled with heat transfer oil;

[0009] The heat exchange shells are provided in two pieces, and the two heat exchange shells are fixedly provided at two ends of the heat dissipation ring;

[0010] The heat dissipation mechanism is arranged in the heat exchange housing and is used to dissipate heat from the heat dissipation ring;

[0011] The thermally conductive silica gel is fixedly arranged between the heat dissipation ring and the chuck body.

[0012] Preferably, the heat dissipation mechanism comprises:

[0013] A first shell and a second shell, wherein the first shell and the second shell are fixedly arranged on an inner top wall and an inner bottom wall of the heat exchange shell;

[0014] A heat dissipation pipe, wherein the heat dissipation pipe is provided in plurality, and the plurality of heat dissipation pipes are connected and arranged between the first shell and the second shell;

[0015] A first micro water pump, wherein the first micro water pump is fixedly disposed in the heat exchange housing, an input end of the first micro water pump is communicated with the heat dissipation cavity, and an output end of the first micro water pump is communicated with the first housing;

[0016] A return pipe, the return pipe is arranged in communication between the second shell and the heat dissipation cavity;

[0017] a first heat exchange mechanism, which is disposed in the heat exchange housing and is used to exchange heat for the heat transfer oil in the heat dissipation pipe;

[0018] The second heat exchange mechanism is arranged in the heat exchange shell and is used for auxiliary heat exchange of the heat transfer oil in the heat dissipation pipe.

[0019] Furthermore, the first heat exchange mechanism comprises:

[0020] A first jacket and a second jacket, wherein the first jacket and the second jacket are respectively arranged on the side walls of the heat exchange shell, wherein the first jacket and the second jacket are filled with a coolant;

[0021] A heat exchange tube, wherein the heat exchange tube is connected to the heat dissipation tube and is arranged between the first jacket and the second jacket;

[0022] A second micro water pump is fixedly arranged on the heat exchange housing, an input end of the second micro water pump is communicated with the first jacket, and an output end of the second micro water pump is communicated with the second jacket.

[0023] Furthermore, it also includes a semiconductor refrigeration plate, which is fixedly arranged in the second jacket, and the heat dissipation end of the semiconductor refrigeration plate extends out of the heat exchange shell.

[0024] Furthermore, the second heat exchange mechanism includes:

[0025] A heat dissipation port, wherein two heat dissipation ports are provided, and the two heat dissipation ports are respectively opened on the side wall of the symmetrical side of the heat exchange shell;

[0026] A heat dissipation fan is fixedly arranged in the heat dissipation port.

[0027] On the basis of the above solution, a filter plate is also included, and the filter plate is fixedly arranged in the heat dissipation port.

[0028] The working principle and beneficial effects of the utility model are:

[0029] 1. In the present utility model, through the setting of the heat dissipation mechanism, the operator controls the first micro water pump to work, thereby facilitating the heat transfer oil in the heat dissipation cavity to circulate in the heat dissipation pipe;

[0030] 2. In the utility model, by setting the first heat exchange mechanism, it is convenient to drive the coolant to circulate in the heat pipe through the operation of the second micro water pump, so as to facilitate the heat exchange between the heat-conducting oil and the cooling water through the heat-conducting pipe, so as to facilitate the cooling of the heat-conducting oil, and then the cooling of the chuck body is achieved through the heat dissipation pipe and the heat-conducting silica gel. At the same time, the cooling liquid is cooled by the operation of the semiconductor refrigeration sheet, so as to avoid the cooling liquid from heating up and affecting the heat exchange efficiency;

[0031] 3. In the present invention, the second heat exchange mechanism is provided to facilitate the circulation of gas in the heat exchange shell through the operation of the heat dissipation fan, so that the external environment can exchange heat with the heat transfer oil through the heat dissipation pipe, thereby further improving the cooling effect of the heat transfer oil;

[0032] 4. In the utility model, the heat of the chuck body is conveniently conducted into the heat-conducting oil through the arrangement of the chuck body, the heat dissipation ring, the heat dissipation cavity, the heat exchange shell, the heat dissipation mechanism and the heat-conducting silica gel. Meanwhile, the heat is exchanged with the heat-conducting oil through the coolant and the air flow respectively, so as to facilitate cooling of the heat-conducting oil and then cooling of the chuck body, thus solving the problem in the related art that the temperature of the three-jaw chuck increases during use and affects the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0034] Figure 1 It is a schematic diagram of the structure of the utility model;

[0035] Figure 2 This is a schematic diagram of the structure of the heat dissipation ring of the utility model;

[0036] Figure 3 This is a schematic diagram of the cross-sectional structure of the heat dissipation ring of the utility model;

[0037] Figure 4 It is a schematic cross-sectional structure diagram of the first heat exchange mechanism of the utility model.

[0038] In the figure: 1. chuck body; 2. heat dissipation ring; 3. heat exchange shell; 4. thermal conductive silicone; 5. first shell; 6. second shell; 7. heat dissipation pipe; 8. first micro water pump; 9. reflux pipe; 10. first jacket; 11. second jacket; 12. heat exchange tube; 13. second micro water pump; 14. semiconductor refrigeration plate; 15. cooling fan. DETAILED DESCRIPTION

[0039] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0040] like Figure 1~Figure 4 As shown, this embodiment proposes a hydraulic three-jaw chuck, including a chuck body 1, a heat dissipation ring 2, a heat dissipation cavity, a heat exchange shell 3, a heat dissipation mechanism and a thermally conductive silicone rubber 4. The heat dissipation ring 2 is fixedly arranged on the chuck body 1, the heat dissipation cavity is opened in the heat dissipation ring 2, and the heat dissipation cavity is filled with heat-conducting oil. The heat exchange shell 3 is provided in two, and the two heat exchange shells 3 are fixedly arranged at both ends of the heat dissipation ring 2. The heat dissipation mechanism is arranged in the heat exchange shell 3 for dissipating the heat of the heat dissipation ring 2, and the thermally conductive silicone rubber 4 is fixedly arranged between the heat dissipation ring 2 and the chuck body 1.

[0041] Among them, the heat dissipation mechanism includes a first shell 5, a second shell 6, a heat dissipation pipe 7, a first micro-water pump 8, a return pipe 9, a first heat exchange mechanism and a second heat exchange mechanism. The first shell 5 and the second shell 6 are fixedly arranged on the inner top wall and the inner bottom wall of the heat exchange shell 3. The heat dissipation pipe 7 is provided in plurality, and the plurality of heat dissipation pipes 7 are connected and arranged between the first shell 5 and the second shell 6. The first micro-water pump 8 is fixedly arranged in the heat exchange shell 3, the input end of the first micro-water pump 8 is connected to the heat dissipation cavity, the output end of the first micro-water pump 8 is connected to the first shell 5, the return pipe 9 is connected and arranged between the second shell 6 and the heat dissipation cavity, the first heat exchange mechanism is arranged in the heat exchange shell 3, and is used to exchange heat for the heat transfer oil in the heat dissipation pipe 7, and the second heat exchange mechanism is arranged in the heat exchange shell 3, and is used to assist in heat exchange of the heat transfer oil in the heat dissipation pipe 7.

[0042] Specifically, the operator controls the first micro water pump 8 to work, so as to facilitate the heat transfer oil in the heat dissipation cavity to flow in the heat dissipation pipe 7 .

[0043] Among them, the first heat exchange mechanism includes a first jacket 10, a second jacket 11, a heat exchange tube 12 and a second micro water pump 13. The first jacket 10 and the second jacket 11 are respectively arranged on the side walls of the heat exchange shell 3, wherein the first jacket 10 and the second jacket 11 are filled with coolant, and the heat exchange tube 12 is correspondingly connected to the heat dissipation tube 7 between the first jacket 10 and the second jacket 11. The second micro water pump 13 is fixedly arranged on the heat exchange shell 3, and the input end of the second micro water pump 13 is connected to the first jacket 10, and the output end of the second micro water pump 13 is connected to the second jacket 11. It also includes a semiconductor refrigeration plate 14, which is fixedly arranged in the second jacket 11, and the heat dissipation end of the semiconductor refrigeration plate 14 extends out of the heat exchange shell 3.

[0044] Specifically, the second micro water pump 13 is used to drive the coolant to circulate in the heat pipe, so as to facilitate heat exchange between the heat transfer oil and the cooling water through the heat transfer pipe, thereby facilitating cooling of the heat transfer oil, and then cooling the chuck body 1 through the heat dissipation pipe 7 and the heat-conducting silica gel 4. At the same time, the coolant is cooled by the semiconductor refrigeration sheet 14, so as to avoid the coolant from heating up and affecting the heat exchange efficiency.

[0045] Among them, the second heat exchange mechanism includes a heat dissipation port and a heat dissipation fan 15. There are two heat dissipation ports, which are respectively opened on the side walls of the symmetrical side of the heat exchange shell 3. The heat dissipation fan 15 is fixedly arranged in the heat dissipation port and also includes a filter plate, which is fixedly arranged in the heat dissipation port.

[0046] Specifically, the operation of the heat dissipation fan 15 drives the circulation of gas in the heat exchange shell 3, so that the external environment can exchange heat with the heat transfer oil through the heat dissipation pipe 7, thereby further improving the cooling effect of the heat transfer oil.

[0047] In this embodiment, during the operation of the chuck body 1, the operator controls the operation of the first micro water pump 8, so as to facilitate the circulation of the heat transfer oil in the heat dissipation cavity in the heat dissipation tube 7. At the same time, the operator controls the operation of the second micro water pump 13, and the operation of the second micro water pump 13 drives the cooling liquid to circulate in the heat transfer tube, so as to facilitate the heat exchange between the heat transfer oil and the cooling water through the heat transfer tube, so as to facilitate the cooling of the heat transfer oil, and then the cooling of the chuck body 1 is achieved through the heat transfer tube 7 and the thermal conductive silica gel 4. At the same time, the cooling liquid is cooled by the operation of the semiconductor refrigeration sheet 14, so as to avoid the cooling liquid from heating up and affecting the heat exchange efficiency. At the same time, the operator controls the operation of the heat dissipation fan 15, and the operation of the heat dissipation fan 15 drives the circulation of gas in the heat exchange shell 3, so as to facilitate the external environment to achieve heat exchange with the heat transfer oil through the heat transfer tube 7, thereby further improving the cooling effect of the heat transfer oil.

[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydraulic three-jaw chuck, characterized in that: include: Chuck body (1); A heat dissipation ring (2), the heat dissipation ring (2) being fixedly arranged on the chuck body (1); A heat dissipation cavity, the heat dissipation cavity is opened in the heat dissipation ring (2), and the heat dissipation cavity is filled with heat transfer oil; A heat exchange shell (3), wherein two heat exchange shells (3) are provided, and the two heat exchange shells (3) are fixedly provided at two ends of the heat dissipation ring (2); A heat dissipation mechanism, the heat dissipation mechanism being arranged in the heat exchange housing (3) and being used to dissipate heat from the heat dissipation ring (2); Thermally conductive silica gel (4), the thermally conductive silica gel (4) being fixedly arranged between the heat dissipation ring (2) and the chuck body (1).

2. A hydraulic three-jaw chuck according to claim 1, characterized in that: The heat dissipation mechanism comprises: A first shell (5) and a second shell (6), wherein the first shell (5) and the second shell (6) are fixedly arranged on the inner top wall and the inner bottom wall of the heat exchange shell (3); A heat dissipation pipe (7), wherein the heat dissipation pipe (7) is provided in plurality, and the plurality of heat dissipation pipes (7) are arranged in communication between the first shell (5) and the second shell (6); a first micro water pump (8), the first micro water pump (8) being fixedly arranged in the heat exchange housing (3), the input end of the first micro water pump (8) being in communication with the heat dissipation cavity, and the output end of the first micro water pump (8) being in communication with the first housing (5); a return pipe (9), the return pipe (9) being arranged in communication between the second shell (6) and the heat dissipation cavity; A first heat exchange mechanism, the first heat exchange mechanism being arranged in the heat exchange housing (3) and being used for exchanging heat for the heat transfer oil in the heat dissipation pipe (7); A second heat exchange mechanism, the second heat exchange mechanism is arranged in the heat exchange housing (3) and is used for assisting heat exchange of the heat transfer oil in the heat dissipation pipe (7).

3. A hydraulic three-jaw chuck according to claim 2, characterized in that: The first heat exchange mechanism comprises: a first jacket (10) and a second jacket (11), wherein the first jacket (10) and the second jacket (11) are respectively arranged on the side wall of the heat exchange shell (3), wherein the first jacket (10) and the second jacket (11) are filled with a cooling liquid; a heat exchange tube (12), wherein the heat exchange tube (12) and the heat dissipation tube (7) are connected and arranged between the first jacket (10) and the second jacket (11); A second micro water pump (13), the second micro water pump (13) being fixedly arranged on the heat exchange housing (3), the input end of the second micro water pump (13) being in communication with the first jacket (10), and the output end of the second micro water pump (13) being in communication with the second jacket (11).

4. A hydraulic three-jaw chuck according to claim 3, characterized in that: It also includes a semiconductor refrigeration sheet (14), which is fixedly arranged in the second jacket (11), and a heat dissipation end of the semiconductor refrigeration sheet (14) extends out of the heat exchange shell (3).

5. A hydraulic three-jaw chuck according to claim 4, characterized in that: The second heat exchange mechanism comprises: Heat dissipation openings, wherein two heat dissipation openings are provided, and the two heat dissipation openings are respectively opened on the side wall of a symmetrical side of the heat exchange shell (3); A heat dissipation fan (15), wherein the heat dissipation fan (15) is fixedly arranged in the heat dissipation opening.

6. A hydraulic three-jaw chuck according to claim 5, characterized in that: Also included is a filter plate, which is fixedly arranged in the heat dissipation port.

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