A cooling system for a rotating component of a machine tool

Abstract

The utility model discloses a cooling system for machine tool rotating part, including liquid cooling machine, liquid cooling machine is connected with first liquid outlet channel, at least one main shaft box, main shaft box is connected with liquid cooling machine through first liquid outlet channel, and main shaft box is connected with second channel, at least one screw rod drive subassembly, screw rod drive subassembly is connected with main shaft box through second channel, and screw rod drive subassembly is connected with liquid cooling machine through third backflow channel, the utility model adds cooling liquid to liquid cooling machine, and cooling liquid is sent to main shaft box and screw rod drive subassembly in proper order through liquid cooling machine, and finally returns to liquid cooling machine again, and cooling liquid carries out the cooling to the rotating part on main shaft box and screw rod drive subassembly, to guarantee the machining accuracy stability of machine tool.

Description

Technical Field

[0001] This utility model belongs to the field of machine tools, and more specifically, relates to a cooling system for rotating parts of machine tools. Background Technology

[0002] During the machining process, the machining accuracy and stability are required. The machine tool runs for a long time, and the rotating parts generate a lot of heat, which affects the stability and accuracy of the machining.

[0003] The existing spindle housing, motor mount, bearing mount, and lead screw nut mount are not cooled, and these components generate a lot of heat during operation. Utility Model Content

[0004] The main objective of this invention is to provide a cooling system for rotating parts of a machine tool to ensure the stability of the machining accuracy of the machine tool.

[0005] According to a first aspect of the present invention, a cooling system for a rotating component of a machine tool is provided, comprising:

[0006] A liquid chiller, wherein the liquid chiller is connected to a first liquid outlet channel;

[0007] At least one spindle housing, the spindle housing being connected to the liquid cooler via a first liquid outlet channel, and the spindle housing being connected to a second channel;

[0008] At least one lead screw drive assembly is provided, which is connected to the spindle housing via a second channel and to the liquid cooler via a third return channel.

[0009] According to the first aspect of the present invention, a cooling system for a rotating component of a machine tool includes two lead screw drive assemblies, comprising a first lead screw drive assembly and a second lead screw drive assembly. The first lead screw drive assembly includes a first bearing housing, a first nut housing, and a first motor housing. The second lead screw drive assembly includes a second bearing housing, a second nut housing, and a second motor housing. The first bearing housing is connected to the spindle housing via a second channel, the first bearing housing is connected to the first nut housing via a fourth channel, the first nut housing is connected to the first motor housing via a fifth channel, the first motor housing is connected to the second motor housing via a sixth channel, the second motor housing is connected to the second nut housing via a seventh channel, the second nut housing is connected to the second bearing housing via an eighth channel, and the second bearing housing is connected to the liquid cooler via a third return channel.

[0010] According to the cooling system for rotating parts of a machine tool as described in the first aspect of the present invention, the first bearing seat, the first nut seat, the first motor seat, the second bearing seat, the second nut seat, and the second motor seat are all provided with liquid inlet and liquid outlet.

[0011] According to the first aspect of the present invention, a cooling system for a rotating component of a machine tool is provided, wherein the number of the lead screw drive assembly is one, the lead screw drive assembly includes a first bearing housing, a first nut housing and a first motor housing, the first bearing housing is connected to the spindle housing through a second channel, the first bearing housing is connected to the first nut housing through a fourth channel, the first nut housing is connected to the first motor housing through a fifth channel, and the first motor housing is connected to the liquid cooler through a third return channel.

[0012] According to the cooling system for rotating parts of a machine tool as described in the first aspect of the present invention, the first bearing housing, the first nut housing, and the first motor housing are each provided with a first liquid inlet and a first liquid outlet.

[0013] According to the first aspect of the present invention, the cooling system for rotating parts of a machine tool is provided, wherein the liquid cooler is configured as an oil cooler or a water cooler.

[0014] According to the first aspect of the present invention, a cooling system for a rotating component of a machine tool is provided on the spindle housing, comprising a second liquid inlet, a second liquid outlet, a third liquid inlet, a third liquid outlet, a fourth liquid inlet, and a fourth liquid outlet that are interconnected. The second liquid inlet is connected to the first liquid outlet channel, the second liquid outlet is connected to the second channel, the third liquid inlet is connected to the third liquid outlet through a first connecting channel, and the fourth liquid inlet is connected to the fourth liquid outlet through a second connecting channel.

[0015] According to the first aspect of the present invention, a cooling system for a rotating part of a machine tool is provided, wherein the liquid cooler is provided with an outlet and an inlet, and the outlet is located above the inlet.

[0016] One of the above-described technical solutions of this utility model has at least one of the following advantages or beneficial effects:

[0017] This invention adds coolant to a liquid chiller, which then sequentially delivers the coolant to the spindle housing and the lead screw drive assembly before returning it to the liquid chiller. The coolant cools the rotating parts on the spindle housing and the lead screw drive assembly, thereby ensuring the machining accuracy and stability of the machine tool. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0019] Figure 1 This is a schematic diagram of the cooling system for the rotating parts of a machine tool in the first embodiment of this utility model. Detailed Implementation

[0020] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0021] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" and "second" may explicitly or implicitly include one or more features.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, it can be a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection or a connection that can communicate with each other; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two elements, an indirect connection, or an interaction between two elements.

[0025] The following disclosure provides many different implementation methods or examples for different solutions to implement this utility model.

[0026] Reference Figure 1 As shown, a cooling system for rotating parts of a machine tool includes:

[0027] Liquid chiller 1, liquid chiller 1 is connected to a first liquid outlet channel 10;

[0028] At least one spindle housing 2, the spindle housing 2 is connected to the liquid cooler 1 through a first liquid outlet channel 10, and the spindle housing 2 is connected to a second channel 20;

[0029] At least one lead screw drive assembly is provided, which is connected to the spindle housing 2 via a second channel 20 and to the liquid cooler 1 via a third return channel 30.

[0030] In some embodiments of this utility model, there are two lead screw drive assemblies, including a first lead screw drive assembly and a second lead screw drive assembly. The first lead screw drive assembly includes a first bearing seat 3, a first nut seat 4, and a first motor seat 5. The second lead screw drive assembly includes a second bearing seat 8, a second nut seat 7, and a second motor seat 6. The first bearing seat 3 is connected to the spindle housing 2 through a second channel 20. The first bearing seat 3 is connected to the first nut seat 4 through a fourth channel 40. The first nut seat 4 is connected to the first motor seat 5 through a fifth channel 50. The first motor seat 5 is connected to the second motor seat 6 through a sixth channel 60. The second motor seat 6 is connected to the second nut seat 7 through a seventh channel 70. The second nut seat 7 is connected to the second bearing seat 8 through an eighth channel 80. The second bearing seat 8 is connected to the liquid cooler 1 through a third return channel 30.

[0031] Furthermore, the first bearing housing 3, the first nut housing 4, the first motor housing 5, the second bearing housing 8, the second nut housing 7, and the second motor housing 6 are all provided with liquid inlet and liquid outlet.

[0032] In some embodiments of this utility model, the number of lead screw drive components is one. The lead screw drive components include a first bearing seat 3, a first nut seat 4, and a first motor seat 5. The first bearing seat 3 is connected to the spindle housing 2 through a second channel 20. The first bearing seat 3 is connected to the first nut seat 4 through a fourth channel 40. The first nut seat 4 is connected to the first motor seat 5 through a fifth channel 50. The first motor seat 5 is connected to the liquid cooler 1 through a third return channel 30.

[0033] Furthermore, the first bearing housing 3, the first nut housing 4, and the first motor housing 5 are all provided with a first liquid inlet and a first liquid outlet.

[0034] In some embodiments of this utility model, the liquid cooler 1 is configured as an oil cooler or a water cooler.

[0035] In some embodiments of this utility model, the spindle housing 2 is provided with a second liquid inlet 21, a second liquid outlet 22, a third liquid inlet 23, a third liquid outlet 24, a fourth liquid inlet 25, and a fourth liquid outlet 26 that are interconnected. The second liquid inlet 21 is connected to the first liquid outlet channel 10, the second liquid outlet 22 is connected to the second channel 20, the third liquid inlet 23 is connected to the third liquid outlet 24 through the first connecting channel 27, and the fourth liquid inlet 25 is connected to the fourth liquid outlet 26 through the second connecting channel 28.

[0036] In some embodiments of this utility model, the liquid cooler 1 is provided with a liquid outlet 11 and a liquid inlet 12, with the liquid outlet 11 positioned above the liquid inlet 12.

[0037] In this embodiment, the coolant in the liquid chiller is sequentially delivered to the spindle housing, bearing housing, nut housing, and motor housing through various channels. If there is more than one spindle housing, the coolant passes through all spindle housings first, then the bearing housing, nut housing, and motor housing in sequence. If the number of lead screw drive assemblies is odd, the coolant flow sequence is liquid chiller, spindle housing, bearing housing, nut housing, motor housing, liquid chiller, and finally flows out from the motor housing back to the liquid chiller. If the number of lead screw drive assemblies is even, the coolant flow sequence is liquid chiller, spindle housing, first bearing housing, first nut housing, first motor housing, second motor housing, second nut housing, second bearing housing, liquid chiller, and finally flows out from the bearing housing back to the liquid chiller. In this invention, the coolant flows from the liquid chiller to each spindle housing, then out from the last spindle housing to the lead screw drive assembly, and finally back to the liquid chiller, thus circulating to cool the rotating parts of the machine tool and ensure the stability of the machine tool's machining accuracy.

[0038] The above is a further detailed description of this utility model and should not be considered as a limitation on the specific implementation of this utility model. For those skilled in the art, simple deductions or substitutions without departing from the concept of this utility model are all within the protection scope of this utility model.

Claims

1. A cooling system for rotating parts of a machine tool, characterized in that, include: A liquid chiller (1) is connected to a first liquid outlet channel (10). At least one spindle housing (2), the spindle housing (2) is connected to the liquid cooler (1) through a first liquid outlet channel (10), and the spindle housing (2) is connected to a second channel (20). At least one lead screw drive assembly is connected to the spindle housing (2) via a second channel (20) and to the liquid cooler (1) via a third return channel (30).

2. The cooling system for rotating parts of a machine tool according to claim 1, characterized in that, The number of the lead screw drive assembly is two, including a first lead screw drive assembly and a second lead screw drive assembly. The first lead screw drive assembly includes a first bearing seat (3), a first nut seat (4) and a first motor seat (5). The second lead screw drive assembly includes a second bearing seat (8), a second nut seat (7) and a second motor seat (6). The first bearing seat (3) is connected to the spindle housing (2) through a second channel (20). The first bearing seat (3) is connected to the first nut seat (4) through a fourth channel (40). The first nut seat (4) is connected to the first motor seat (5) through a fifth channel (50). The first motor seat (5) is connected to the second motor seat (6) through a sixth channel (60). The second motor seat (6) is connected to the second nut seat (7) through a seventh channel (70). The second nut seat (7) is connected to the second bearing seat (8) through an eighth channel (80). The second bearing seat (8) is connected to the liquid cooler (1) through a third return channel (30).

3. The cooling system for rotating parts of a machine tool according to claim 2, characterized in that, The first bearing housing (3), the first nut housing (4), the first motor housing (5), the second bearing housing (8), the second nut housing (7), and the second motor housing (6) are all provided with liquid inlet and liquid outlet.

4. The cooling system for rotating parts of a machine tool according to claim 1, characterized in that, The number of the lead screw drive assembly is one. The lead screw drive assembly includes a first bearing seat (3), a first nut seat (4) and a first motor seat (5). The first bearing seat (3) is connected to the spindle housing (2) through a second channel (20). The first bearing seat (3) is connected to the first nut seat (4) through a fourth channel (40). The first nut seat (4) is connected to the first motor seat (5) through a fifth channel (50). The first motor seat (5) is connected to the liquid cooler (1) through a third return channel (30).

5. The cooling system for rotating parts of a machine tool according to claim 4, characterized in that, The first bearing housing (3), the first nut housing (4), and the first motor housing (5) are all provided with a first liquid inlet and a first liquid outlet.

6. The cooling system for rotating parts of a machine tool according to claim 1, characterized in that, The liquid cooler (1) is configured as an oil cooler or a water cooler.

7. The cooling system for rotating parts of a machine tool according to claim 1, characterized in that, The spindle housing (2) is provided with a second liquid inlet (21), a second liquid outlet (22), a third liquid inlet (23), a third liquid outlet (24), a fourth liquid inlet (25), and a fourth liquid outlet (26) that are interconnected. The second liquid inlet (21) is connected to the first liquid outlet channel (10), the second liquid outlet (22) is connected to the second channel (20), the third liquid inlet (23) is connected to the third liquid outlet (24) through the first connecting channel (27), and the fourth liquid inlet (25) is connected to the fourth liquid outlet (26) through the second connecting channel (28).

8. The cooling system for rotating parts of a machine tool according to claim 1, characterized in that, The liquid cooler (1) is provided with a liquid outlet (11) and a liquid inlet (12), with the liquid outlet (11) located above the liquid inlet (12).

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