CN212131222U - Linear motion mechanical arm - Google Patents
Linear motion mechanical arm Download PDFInfo
- Publication number
- CN212131222U CN212131222U CN202020553873.6U CN202020553873U CN212131222U CN 212131222 U CN212131222 U CN 212131222U CN 202020553873 U CN202020553873 U CN 202020553873U CN 212131222 U CN212131222 U CN 212131222U
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- sliding table
- guide rail
- linear guide
- screw
- screw rod
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Abstract
The utility model relates to a linear motion arm, including frame, linear drive assembly and work slip table assembly, wherein: the linear driving assembly comprises a screw rod arranged in the rack, a screw rod nut assembled on the screw rod, a driving motor arranged at one end of the rack and connected with the screw rod and driving the screw rod to rotate, and a screw rod linear guide rail parallel to the screw rod and arranged in the rack; the working sliding table assembly comprises an internal working sliding table arranged on a screw nut in the rack, a sliding table linear guide rail with one end connected to the internal working sliding table, and an external working sliding table arranged at the other end of the sliding table linear guide rail and positioned outside the rack; the screw linear guide rail and the sliding table linear guide rail are consistent with the axial direction of the screw. The utility model discloses can avoid adopting the lip seal mode, and work slip table axial symmetry lead screw axis, the flexion degree of reducible lead screw.
Description
Technical Field
The utility model relates to a acupuncture former indicates a fashioned linear motion arm of carbon fiber mould acupuncture suitable for photovoltaic panel trade very much.
Background
The screw mechanism in the existing acupuncture molding equipment adopts the transmission mode of screw fixation and nut rotation. When the linear reciprocating feeding device works, the nut rotates and moves axially along the fixed lead screw, and the nut can be provided with the working sliding table, so that the linear reciprocating feeding of the working table is realized. In order to limit the degree of freedom of the workbench rotating around the screw shaft, a guide rail is arranged in the direction parallel to the axis of the screw, and meanwhile, a long groove is formed in the side wall of the box body in the axis direction of the screw so as to leave a moving space of the work sliding table, and the work sliding table does linear reciprocating motion along the side wall of the box body. In order to maintain the seal, a lip seal is provided in a groove in the side wall of the tank. However, the mechanism has the defect of poor sealing effect, because the sliding table extends out of the side wall of the box body, the lip-shaped sealing ring which is consistent with the stroke needs to be arranged for a long time when the stroke of the sliding table is long, and the sealing effect is reduced by the overlong lip-shaped sealing ring. And the work sliding table is arranged in a biased mode relative to the lead screw, when external load is added to the work sliding table, bias moment can be formed on the lead screw, extra bending deformation of the lead screw is caused, and the transmission precision of the lead screw is influenced.
Disclosure of Invention
The utility model aims at improving and innovating shortcoming and problem that exist among the background art, provide a work slip table and stretch out the linear motion arm of being straight reciprocating motion from lead screw axis direction, this arm can avoid adopting lip seal mode, and work slip table axial symmetry lead screw axis, the flexion of reducible lead screw.
The technical scheme of the utility model be the linear motion arm of the removal subassembly that constructs one kind and be linear reciprocating motion including the frame and set up in the frame, wherein the removal subassembly include linear drive assembly and work slip table assembly.
Specifically, the linear driving assembly comprises a screw rod arranged in the rack, a screw rod nut assembled on the screw rod, a driving motor arranged at one end of the rack and connected with the rack and driving the screw rod to rotate, and a screw rod linear guide rail parallel to the screw rod and arranged in the rack; the working sliding table assembly comprises an internal working sliding table arranged on a screw nut in the rack, a sliding table linear guide rail with one end connected to the internal working sliding table, and an external working sliding table arranged at the other end of the sliding table linear guide rail and positioned outside the rack; the screw linear guide rail and the sliding table linear guide rail are consistent with the axial direction of the screw.
In one embodiment, at least two parallel lead screws of the lead screw linear guide rails are uniformly distributed, each lead screw linear guide rail penetrates through the built-in work sliding table, and a lead screw guide rail bearing is arranged at the position where each lead screw linear guide rail penetrates through the built-in work sliding table. Through the arrangement of the multi-screw linear guide rail and the guide rail bearing, the stability of linear reciprocating motion of the screw can be better ensured.
In one embodiment, at least two sliding table linear guide rails are uniformly distributed along the axial direction of the screw rod, one end of each sliding table linear guide rail is fixedly connected to the internal working sliding table, and the other end of each sliding table linear guide rail penetrates through the machine frame to extend out and is fixedly connected to the external working sliding table. Through the setting of many slip tables linear guide, the stability of assurance work slip table straight reciprocating motion that can be better. Preferably, a sliding table guide rail bearing and a cylindrical sealing ring are arranged at the position where each sliding table linear guide rail penetrates through the frame. The guide rail bearing and the cylindrical sealing ring can realize the stability and the sealing performance of the sliding table linear guide rail in the linear reciprocating process.
The utility model has the advantages and beneficial effect:
the utility model discloses an inside and outside two work slip tables have cancelled the conventional side direction lip seal circle of arranging on, only need the cylinder seal circle just can play sealed effect, and only slip table linear guide stretches out when work slip table moves, synthesizes sealed effect better than the sealed effect of rectangular shape lip seal circle. The utility model adopts a double-group guide rail structure, the rack is provided with a lead screw linear guide rail along the axial direction of the lead screw, thereby increasing the rigidity of the rack and reducing the deflection of the rack and the lead screw; meanwhile, the sliding table linear guide rail is arranged on the working sliding table, and the sliding table linear guide rail and the lead screw linear guide rail form a double guiding function together, so that the linear precision is higher. The utility model has the advantages of simple integral structure, stable operation and high precision.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the frame and the linear driving assembly of the present invention.
Fig. 3 is the structural schematic diagram of the work sliding table assembly of the present invention.
Description of the figures:
1. the linear driving assembly comprises 1-1 parts of a driving motor, 1-2 parts of a lead screw supporting bearing seat, 1-3 parts of a lead screw, 1-4 parts of a lead screw linear guide rail, 1-5 parts of a lead screw nut; 2. the device comprises a working sliding table assembly, 2-1, a lead screw guide rail bearing, 2-2, an internal working sliding table, 2-3, a sliding table linear guide rail, 2-4 and an external working sliding table; 3. the device comprises a frame, 3-1 parts of a sliding table guide rail bearing, 3-2 parts of a cylindrical sealing ring.
Detailed Description
The utility model discloses structure and theory of operation:
a linear motion mechanical arm comprises a rack, a driving motor, a coupler, a lead screw supporting bearing seat, a lead screw nut, an internal work sliding table, a linear guide rail, a guide rail bearing, a cylindrical sealing ring and an external work sliding table. The lead screw is arranged on the bottom plates at the two ends of the rack through a lead screw supporting bearing seat, and the drive motor is used for transmitting rotation and torque to the lead screw through the coupler, so that the lead screw performs rotary motion. A built-in working sliding table is installed on the lead screw nut, and a sliding table linear guide rail and a guide rail bearing are installed on the built-in working sliding table. The driving motor drives the screw rod to rotate, the screw rod nut converts the rotary motion of the screw rod into linear motion, and then the built-in workbench is driven to do linear motion. The bottom plates at the two ends of the rack are provided with screw linear guide rails with the same number as the screw guide rail bearings on the built-in work sliding table. The non-motor installation sides of the bottom plates at the two ends of the rack are provided with sliding table guide rail bearings with the same quantity as the sliding table linear guide rails on the built-in working sliding table, and meanwhile, cylindrical sealing rings are arranged along the axial direction of the sliding table guide rail bearings. The lead screw linear guide rails arranged on the bottom plates at the two ends of the rack guide the built-in work sliding table, the sliding table linear guide rails on the internal and external work sliding tables guide and transmit linear displacement, and various working devices can be arranged on the external work sliding table.
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed" or "connected" to another element, it can be directly disposed or connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1, the linear motion robot arm includes a frame 3 and a moving component disposed on the frame 3 for linear reciprocating motion, wherein the moving component includes a linear driving assembly 1 and a work slide assembly 2.
Specifically, as shown in fig. 1 and 2, the linear driving assembly 1 includes a screw 1-3 disposed in a frame 3, a screw nut 1-5 assembled on the screw 1-3, a driving motor 1-1 disposed at one end of the frame 3 and connected to and driving the screw 1-3 to rotate, and a screw linear guide 1-4 parallel to the screw 1-3 and disposed in the frame 3. In the embodiment, three lead screw linear guide rails 1-4 are uniformly distributed in parallel with the lead screws 1-3, each lead screw linear guide rail 1-4 penetrates through the built-in working sliding table 2-2, and a lead screw guide rail bearing 2-1 is arranged at the position where each lead screw linear guide rail 1-4 penetrates through the built-in working sliding table 2-2.
Specifically, as shown in fig. 1 and 3, the work sliding table assembly 2 includes a built-in work sliding table 2-2 disposed on a screw nut 1-5 inside the frame 3, a sliding table linear guide 2-3 having one end connected to the built-in work sliding table 2-2, and an external work sliding table 2-4 disposed at the other end of the sliding table linear guide 2-3 and located outside the frame 3. In the embodiment, three sliding table linear guide rails 2-3 are uniformly distributed along the axial direction of the screw rod 1-3, one end of each sliding table linear guide rail 2-3 is fixedly connected to the internal working sliding table 2-2, the other end of each sliding table linear guide rail 2-3 penetrates through the machine frame 3 to extend out and is fixedly connected to the external working sliding table 2-4, and a sliding table guide rail bearing 3-1 and a cylindrical sealing ring 3-2 are arranged at the position where each sliding table linear guide rail 2-3 penetrates through the machine frame 3.
Specifically, as shown in fig. 1, each of the screw linear guide rails 1 to 4 and the sliding table linear guide rail 2 to 3 is in accordance with the axial direction of the screw 1 to 3.
The embodiments of the present invention are only descriptions of the preferred embodiments of the present invention, not right the present invention is designed and limited, without departing from the design concept of the present invention, the technical personnel in the field should fall into the protection scope of the present invention for various modifications and improvements made by the technical solution of the present invention, and the technical contents of the present invention are all recorded in the claims.
Claims (4)
1. The utility model provides a linear motion arm, includes the frame and sets up the removal subassembly that is straight reciprocating motion in the frame, its characterized in that the removal subassembly include linear drive assembly and work slip table assembly, wherein:
the linear driving assembly comprises a screw rod arranged in the rack, a screw rod nut assembled on the screw rod, a driving motor arranged at one end of the rack and connected with the screw rod and driving the screw rod to rotate, and a screw rod linear guide rail parallel to the screw rod and arranged in the rack;
the working sliding table assembly comprises an internal working sliding table arranged on a screw nut in the rack, a sliding table linear guide rail with one end connected to the internal working sliding table, and an external working sliding table arranged at the other end of the sliding table linear guide rail and positioned outside the rack;
the screw linear guide rail and the sliding table linear guide rail are consistent with the axial direction of the screw.
2. The linear motion mechanical arm according to claim 1, wherein at least two parallel lead screws of the lead screw linear guide rails are uniformly distributed, each lead screw linear guide rail penetrates through the built-in work sliding table, and a lead screw guide rail bearing is arranged at the position where each lead screw linear guide rail penetrates through the built-in work sliding table.
3. The linear motion mechanical arm according to claim 1 or 2, wherein at least two sliding table linear guide rails are uniformly distributed along the axial direction of the screw rod, one end of each sliding table linear guide rail is fixedly connected to the internal working sliding table, and the other end of each sliding table linear guide rail penetrates through the frame to extend out and is fixedly connected to the external working sliding table.
4. The linear motion manipulator of claim 3, wherein a sliding guide bearing and a cylindrical sealing ring are arranged at the position where the sliding guide passes through the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020553873.6U CN212131222U (en) | 2020-04-15 | 2020-04-15 | Linear motion mechanical arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020553873.6U CN212131222U (en) | 2020-04-15 | 2020-04-15 | Linear motion mechanical arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212131222U true CN212131222U (en) | 2020-12-11 |
Family
ID=73689194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020553873.6U Active CN212131222U (en) | 2020-04-15 | 2020-04-15 | Linear motion mechanical arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212131222U (en) |
-
2020
- 2020-04-15 CN CN202020553873.6U patent/CN212131222U/en active Active
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