CN112571088A - Swing head with temperature control structure - Google Patents

Swing head with temperature control structure Download PDF

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Publication number
CN112571088A
CN112571088A CN202011427410.6A CN202011427410A CN112571088A CN 112571088 A CN112571088 A CN 112571088A CN 202011427410 A CN202011427410 A CN 202011427410A CN 112571088 A CN112571088 A CN 112571088A
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CN
China
Prior art keywords
temperature control
control structure
shaft
swing head
thermal deformation
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Granted
Application number
CN202011427410.6A
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Chinese (zh)
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CN112571088B (en
Inventor
戴野
王刚
温万健
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Ningbo Tiankong Five Axis Cnc Technology Co ltd
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Ningbo Tiankong Five Axis Cnc Technology Co ltd
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Priority to CN202011427410.6A priority Critical patent/CN112571088B/en
Publication of CN112571088A publication Critical patent/CN112571088A/en
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Publication of CN112571088B publication Critical patent/CN112571088B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/70Stationary or movable members for carrying working-spindles for attachment of tools or work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/12Arrangements for cooling or lubricating parts of the machine
    • B23Q11/126Arrangements for cooling or lubricating parts of the machine for cooling only

Abstract

The invention discloses a swing head with a temperature control structure, which relates to the technical field of numerical control machining equipment and comprises an A shaft and an electric main shaft, wherein the A shaft is in transmission connection with the electric main shaft, a first temperature control structure is arranged between the electric main shaft and the A shaft, and a second temperature control structure and a third temperature control structure are arranged on the A shaft. According to the invention, the first temperature control structure is arranged between the electric main shaft and the shaft A, and the second temperature control structure and the third temperature control structure are arranged on the shaft A, so that heat conduction and temperature control are respectively carried out on the heat sensitive point of the swing head, the heat source of the swing head and the conduction part of the heat source, the purpose of reducing the internal temperature rise and the thermal deformation of the swing head is achieved, and the problem that the machining precision is greatly influenced by the thermal deformation of the original swing head is solved. The invention has the advantages of simple structure, small change to the original structure, simultaneous temperature control of a plurality of parts, low cost, good temperature control effect and reduction of thermal deformation.

Description

Swing head with temperature control structure
Technical Field
The invention relates to the technical field of numerical control machining equipment, in particular to a swinging head with a temperature control structure.
Background
The swinging head integrates a precision mechanical manufacturing technology, a hydraulic driving technology and a signal wire rotation butt joint winding technology into a whole, and is one of key parts of a large-scale machine tool. In the operation process of the existing swing head torque motor, the internal temperature of the swing head is easily and rapidly increased due to factors such as power loss, friction, internal space sealing and the like, so that the output torque of the torque motor is greatly reduced. In addition, the heat can also cause thermal deformation of the swing head, which affects the machining precision of the machine tool. Therefore, the cooling technology is one of the key technologies of the swing head. For thermal deformation of the pendulum head, existing solutions include: adopt cooling tube to reduce the temperature rise, adopt space thermal compensation to compensate the precision of heat error in order to promote processing.
The original volume of the oscillating head shell needs to be enlarged when the cooling pipeline is installed, the sealing requirement is high, a control system needs to be added, and the complexity of an electric main shaft system is increased. The space thermal compensation technology has high requirements on a sensor and a control system and high cost.
Disclosure of Invention
The invention aims to provide a swing head with a temperature control structure, and the first temperature control structure, the second temperature control structure and the third temperature control structure are arranged on the swing head, so that the purpose of reducing the internal temperature rise and the thermal deformation of the swing head is achieved, and the problem that the machining precision is greatly influenced by the thermal deformation of the original swing head is solved.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a swing head with a temperature control structure, which comprises an A shaft and an electric spindle, wherein the A shaft is in transmission connection with the electric spindle, a first temperature control structure is arranged between the electric spindle and the A shaft, and a second temperature control structure and a third temperature control structure are arranged on the A shaft.
Preferably, the first temperature control structure, the second temperature control structure and the third temperature control structure are all a plurality of capillary copper tubes.
Preferably, the automobile steering gear further comprises a shaft C and a shell, wherein the shaft C is perpendicular to the shaft A, the shaft C is located outside the shell and is in transmission connection with the shell, the shaft A is located inside the shell, and the shell is in rotary connection with the shaft A.
Preferably, the first temperature control structure is arranged outside the connection position of the shaft a and the electric spindle and on the outer wall of the housing.
Preferably, the shell comprises a wire gathering cover, the shaft A is rotatably connected with the wire gathering cover, and the second temperature control structure is arranged on the wire gathering cover.
Preferably, the third temperature control structure is arranged around the a axis.
Compared with the prior art, the invention has the following technical effects:
according to the invention, the first temperature control structure is arranged between the electric main shaft and the shaft A, and the second temperature control structure and the third temperature control structure are arranged on the shaft A, so that heat conduction and temperature control are respectively carried out on the heat sensitive point of the swing head, the heat source of the swing head and the conduction part of the heat source, the purpose of reducing the internal temperature rise and the thermal deformation of the swing head is achieved, and the problem that the machining precision is greatly influenced by the thermal deformation of the original swing head is solved. The invention has the advantages of simple structure, small change to the original structure, simultaneous temperature control of a plurality of parts, low cost, good temperature control effect and reduction of thermal deformation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is an external view of a head of the present invention with a temperature control structure;
FIG. 2 is a schematic view of a first temperature control structure according to the present invention;
FIG. 3 is a schematic diagram of a second temperature control configuration and a third temperature control configuration of the present invention;
wherein: 1: c-axis, 2: shell, 2-1: first temperature control structure, 2-2: second temperature control structure, 2-3: third temperature control structure, 3: electric spindle, 4: axis A, 4-1: and (4) closing the wire cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The invention aims to provide a swing head with a temperature control structure, and the first temperature control structure, the second temperature control structure and the third temperature control structure are arranged on the swing head, so that the purpose of reducing the internal temperature rise and the thermal deformation of the swing head is achieved, and the problem that the machining precision is greatly influenced by the thermal deformation of the original swing head is solved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1-3: the embodiment provides a swing head with a temperature control structure, which comprises an A shaft 4 and an electric spindle 3, wherein the A shaft 4 is in transmission connection with the electric spindle 3, a first temperature control structure 2-1 is arranged between the electric spindle 3 and the A shaft 4, and a second temperature control structure 2-2 and a third temperature control structure 2-3 are arranged on the A shaft 4.
In this embodiment, the first temperature control structure 2-1, the second temperature control structure 2-2, and the third temperature control structure 2-3 are all a plurality of capillary copper tubes, which has good heat dissipation.
This embodiment still includes C axle 1 and casing 2, and C axle 1 sets up with A axle 4 is perpendicular, and C axle 1 is located the casing 2 outside and is connected with casing 2 transmission, and A axle 4 is located casing 2 inside, and casing 2 rotates with A axle 4 to be connected.
In this embodiment, the first temperature control structure 2-1 is disposed at the outer side of the joint between the a-axis 4 and the electric spindle 3 and located on the outer wall of the casing 2, and the first temperature control structure 2-1 controls the temperature of the casing 2 near the joint between the electric spindle 3 and the a-axis 4, so as to reduce thermal deformation.
In this embodiment, the housing 2 includes a wire-closing cover 4-1, the end of the shaft a 4 is rotatably connected to the wire-closing cover 4-1, the second temperature control structure 2-2 is disposed on the wire-closing cover 4-1, and the second temperature control structure 2-2 controls hot air transmitted from the electric spindle 3 and the shaft a 4, so as to ensure that temperature fluctuation inside the head is small.
In this embodiment, the third temperature control structure 2-3 is wound around the shaft a 4, the plurality of capillary copper tubes in the third temperature control structure 2-3 are wound around the outer surface of the shaft a 4 and are uniformly arranged along the axial direction of the shaft a 4, and the third temperature control structure 2-3 controls the temperature of the shaft a 4, so as to ensure the stability of the performance of the shaft a 4.
In the embodiment, the first temperature control structure 2-1 is arranged between the electric spindle 3 and the shaft A4, and the second temperature control structure 2-2 and the third temperature control structure 2-3 are arranged on the shaft A4, so that heat conduction and temperature control are respectively performed on a heat sensitive point of the oscillating head, a heat source of the oscillating head and a conduction part of the heat source, the purpose of reducing the internal temperature rise and the thermal deformation of the oscillating head is achieved, and the problem that the machining precision is greatly influenced by the thermal deformation of the original oscillating head is solved. The structure of the embodiment is simple, the change of the original structure is small, the temperature of a plurality of parts is controlled simultaneously, the cost is low, the temperature control effect is good, and the thermal deformation is reduced.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (6)

1. The utility model provides a yaw with temperature control structure which characterized in that: the temperature control device comprises an A shaft and an electric spindle, wherein the A shaft is in transmission connection with the electric spindle, a first temperature control structure is arranged between the electric spindle and the A shaft, and a second temperature control structure and a third temperature control structure are arranged on the A shaft.
2. The pendulum head with temperature control structure of claim 1, wherein: the first temperature control structure, the second temperature control structure and the third temperature control structure are all a plurality of capillary copper tubes.
3. The pendulum head with temperature control structure of claim 1, wherein: the shaft C is perpendicular to the shaft A, the shaft C is located outside the shell and is in transmission connection with the shell, the shaft A is located inside the shell, and the shell is in rotating connection with the shaft A.
4. The pendulum head with temperature control structure of claim 3, wherein: the first temperature control structure is arranged on the outer side of the joint of the shaft A and the electric spindle and is positioned on the outer wall of the shell.
5. The pendulum head with temperature control structure of claim 3, wherein: the shell comprises a wire gathering cover, the shaft A is rotatably connected with the wire gathering cover, and the second temperature control structure is arranged on the wire gathering cover.
6. The pendulum head with temperature control structure of claim 1, wherein: the third temperature control structure is wound around the shaft A.
CN202011427410.6A 2020-12-07 2020-12-07 Swing head with temperature control structure Active CN112571088B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011427410.6A CN112571088B (en) 2020-12-07 2020-12-07 Swing head with temperature control structure

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Application Number Priority Date Filing Date Title
CN202011427410.6A CN112571088B (en) 2020-12-07 2020-12-07 Swing head with temperature control structure

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CN112571088A true CN112571088A (en) 2021-03-30
CN112571088B CN112571088B (en) 2022-03-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114102254A (en) * 2021-12-07 2022-03-01 东莞市巨冈机械工业有限公司 Cooling system of five-axis swinging head

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114102254A (en) * 2021-12-07 2022-03-01 东莞市巨冈机械工业有限公司 Cooling system of five-axis swinging head

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