CN214444190U - Translation positioning device applied to machining of large-sized welded structural part - Google Patents
Translation positioning device applied to machining of large-sized welded structural part Download PDFInfo
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- CN214444190U CN214444190U CN202120045066.8U CN202120045066U CN214444190U CN 214444190 U CN214444190 U CN 214444190U CN 202120045066 U CN202120045066 U CN 202120045066U CN 214444190 U CN214444190 U CN 214444190U
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Abstract
The utility model discloses form by step motor, driver, hand wheel pulse generator, bearing frame, linear guide, fitting pin, installation base, ball and moving platform combination. The stepping motor, the driver and the pulse generator form a control part of the translation positioning device, and the control part controls the start, stop, direction, speed and position of the translation positioning device; the linear guide rail and the ball screw ensure that the mobile platform realizes linear guide and stable translational motion. When welded structural members with different structural characteristics are encountered, the structural members are only required to be installed on the moving platform, machining characteristics such as guide rails at two ends of the structural members can be machined by adjusting the position of the moving platform, a secondary clamping machining method caused by limited equipment stroke is avoided, and the machining precision and the production efficiency of products can be improved within a certain range.
Description
Technical Field
The utility model relates to a machining field especially relates to an use translation positioner who adds in large-scale welded structure spare machine.
Background
In order to meet the requirement of product structure rotation, large-scale welded structural part frame bodies with rotating supports and guide rail mounting plate structures are gradually increased, and the rotating supports and the guide rail mounting plates on the large-scale welded structural part frame bodies need to be machined after welding so as to meet the requirement of precision. The products are characterized by large overall dimension, high precision requirement and similar processing elements of frame structures of different models. In actual production, a floor type boring and milling machining center is used for machining, and due to the limited equipment stroke, after clamping machining is carried out on one side of the rack body, the rack body needs to be rotated by 180 degrees for secondary clamping. The traditional secondary card loading method has the following problems in production: 1) the card loading time is too long. When secondary clamping is carried out, the rack body needs to be rotated by 180 degrees by means of an external overhead crane, the clamping is carried out again after the rotation direction is carried out, the positioning reference is aligned, and the clamping time is adjusted to be too long. 2) The positioning accuracy is low. After secondary clamping, the positioning datum needs to be found accurately again, the error of the repeated positioning datum is large, and the positioning precision is low. 3) The processing period and the processing cost increase. Because traditional secondary dress card time overlength, positioning accuracy is low for the processing degree of difficulty increases, leads to the whole processing cycle extension of product, and manufacturing cost increases correspondingly.
SUMMERY OF THE UTILITY MODEL
In recent years, new products are continuously generated along with the national requirements, the production task is sharply increased, and the problem needs to be solved urgently. Aiming at the current situation, considering the processing elements and the processing precision of large-scale welded structural parts and the difference of each structure, a brand-new, complete, efficient and high-precision design method of a translation device applied to the machining of large-scale welded structural parts is provided, a secondary clamping production mode in the traditional machining is replaced, the use characteristics of the translation device, such as strong universality, high efficiency and high precision, are fully embodied, the difficult problem of processing caused by limited stroke of equipment is solved, a set of device is realized, the machining content of large-scale welded structural parts with different appearance sizes and precision requirements can be completed, and the rapid and high-precision production and manufacturing are realized.
In view of the above, there is a need to provide a translational positioning device for large-scale welding structure machining.
A translation positioning device applied to machining of large-scale welding structural members comprises a stepping motor, a driver, a hand wheel pulse generator, a bearing seat, a linear guide rail, a locking pin, an installation base, a ball screw and a moving platform; the mounting base is connected with a machining center rotary platform through bolts, the linear guide rails are mounted on two sides of the upper end face of the mounting base, the ball screw is mounted in the middle of the mounting base, one end of the ball screw is connected with a stepping motor, a driver and a hand wheel pulse generator combination, bearing seats are mounted at two ends of the ball screw, a lead screw nut on the ball screw is connected with the moving platform, locking pins are mounted on the moving platform, pin shaft holes are formed in the mounting base at intervals of 100mm, the moving platform can be locked at multiple positions, and a locking device of the moving platform is formed.
The stepping motor is selected to be an epoch super group model 110BYG 250B; the stepping motor mainly provides power for a transmission system, the horizontal moving stroke is 1500mm, the moving speed is 0-20 mm/s, the maximum acceleration is 20mm/s2, the gravity load of the launching cradle is 3T, and the friction coefficient is selected to be 0.1, so that the driving force is 3600N.
The driver is selected as model DM 2282. The driver is connected with the stepping motor to control the start, stop, direction, speed and position of the translation device;
the hand wheel pulse generator generates pulses by rotating a hand wheel and transmits pulse signals to the driver to work.
The bearing seat is provided with an FK30 double bearing in a selected model and mainly provides a rotary support for a lead screw;
the model of the linear guide rail is SGR 35. The linear guide rail realizes linear guide to the mobile platform, the sliding block is provided with a locking mechanism, and the sliding block can be locked to lock the mobile platform after the mobile platform completes a moving task;
the locking pin mainly comprises a handle, a pin shaft, a shell and a spring. The working principle is that the handle is pushed to rotate in the spiral groove of the shell, so that the pin shaft moves in the vertical direction, and the moving platform and the mounting base are locked and unlocked. Pin shaft holes are arranged on the mounting base at intervals of 100mm, and the mobile platform can be locked at a plurality of positions;
the mounting base is a self-made piece. The mounting base is mainly used for providing mounting support and is directly connected with the machining center rotary platform through bolts;
the ball screw is an SFU5005-4 precision grinding grade ball screw. The ball screw is a transmission element most frequently used in tool machines and precision machines, has a main function of converting rotational motion into linear motion, has the characteristics of high precision, reversibility and high efficiency, and is widely applied to various industrial equipment and precision instruments due to small frictional resistance.
Above-mentioned translation positioner who uses in large-scale welded structure spare machining, consider the difference that large-scale welded structure spare processing element, machining precision and each structure exist, provide a completely new, complete, high-efficient, the high accuracy uses the design method of the translation device in large-scale welded structure spare machining, replace the secondary dress card production mode in traditional machining, the simple easy operation of use, can realize the dress card use of different appearance structure products, the commonality is high, the product process time has been shortened simultaneously, the processing cost is reduced, very big improvement production efficiency.
Drawings
FIG. 1 is a schematic structural view of the positioning device of the present invention;
FIG. 2 is a schematic view of the locking pin structure of the present invention;
fig. 3 is the schematic view of the structure of the positioning device in the processing procedure of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The 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.
As shown in the figure, the translation positioning device applied to machining of large-scale welding structural parts comprises a stepping motor 1, a driver 2, a hand wheel pulse generator 3, a bearing seat 4, a linear guide rail 5, a locking pin 6, an installation base 7, a ball screw 8 and a moving platform 9; installation base 7 and machining center revolving platform bolted connection, linear guide 5 installs the both sides of installation base 7 up end, ball 8 is installed installation base 7 middle part, step motor 1, driver 2, the 3 combinations of hand wheel pulse generator are connected to 8 one end of ball, and ball 8 both ends installation bearing frame 4, ball 8 are gone up the lead screw nut and are connected with moving platform 9, and fitting pin 6 installs on moving platform 9, and interval 100mm opens there is the round pin shaft hole on installation base 7, can lock moving platform 9 in a plurality of positions, forms moving platform 9's locking device.
The stepping motor 1 is selected to be an epoch super group model 110BYG 250B; the stepping motor mainly provides power for a transmission system, the horizontal moving stroke is 1500mm, the moving speed is 0-20 mm/s, the maximum acceleration is 20mm/s2, the gravity load of the launching cradle is 3T, and the friction coefficient is selected to be 0.1, so that the driving force is 3600N.
The driver 2 is of a model DM 2282. The driver is connected with the stepping motor to control the start, stop, direction, speed and position of the translation device;
the hand wheel pulse generator 3 generates pulses by rotating a hand wheel and transmits pulse signals to the driver to work.
The bearing seat 4 is provided with an FK30 double bearing in a selected type and mainly provides a rotary support for a lead screw;
the linear guide rail 5 is selected from SGR35,. The linear guide rail realizes linear guide to the mobile platform, the sliding block is provided with a locking mechanism, and the sliding block can be locked to lock the mobile platform after the mobile platform completes a moving task;
the locking pin 6 mainly comprises a handle 12, a pin 13, a housing 11 and a spring 10, as shown in fig. 3. The working principle is that the handle is pushed to rotate in the spiral groove of the shell, so that the pin shaft moves in the vertical direction, and the moving platform and the mounting base are locked and unlocked. Pin shaft holes are arranged on the mounting base at intervals of 100mm, and the mobile platform can be locked at a plurality of positions;
the mounting base 7 is a self-made piece. The mounting base is mainly used for providing mounting support and is directly connected with the machining center rotary platform through bolts;
the ball screw 8 is a precision grinding ball screw with the model of SFU 5005-4. The ball screw is a transmission element most frequently used in tool machines and precision machines, has a main function of converting rotational motion into linear motion, has the characteristics of high precision, reversibility and high efficiency, and is widely applied to various industrial equipment and precision instruments due to small frictional resistance.
The specific working principle is as follows: referring to fig. 1 and 2, the mounting base 7 is connected with a machining center rotary platform through bolts to provide mounting support for the translational positioning device; the linear guide rails 5 are arranged on two sides of the upper end surface of the mounting base 7 to realize the linear guide effect on the moving platform; the ball screw 8 is arranged in the middle of the mounting base 7, and one end of the ball screw is connected with the combination of the stepping motor 1, the driver 2 and the hand wheel pulse generator 3 to form the main part of the translation positioning device; bearing blocks 4 are arranged at two ends of the ball screw 8, and the bearing blocks 4 provide rotary support for the screw; a lead screw nut on the ball screw 8 is connected with a moving platform 9 to form a moving platform part of the translational positioning device; the locking pin 6 is installed on the moving platform 9, pin shaft holes are formed in the installation base 7 at intervals of 100mm, and the moving platform 9 can be locked at multiple positions to form a locking device of the moving platform 9.
According to the content assembly translation positioning device of the utility model, the welding structural member is arranged on the 9 mobile platforms according to the structural characteristics of the welding structural member, and the installation is firm; rotating 3 a hand wheel pulse generator, and rotating 8 a ball screw through 1 a stepping motor and 2 a driver; the ball nut on the ball screw 8 drives the moving platform 9 to translate and align on the linear guide rail 5, so that the moving platform 9 is positioned at one side of the machine tool platform, the stroke requirement of a machine tool machining shaft is met, and the locking pin 6 is locked; carrying out machining work on the machining characteristic A side; after machining of the machining characteristic A is finished, rotating the welding structural part by 180 degrees by means of the rotation function of a machine tool platform, and calculating and determining the translation amount of a product through a machining program; the locking pin 6 is opened, the hand wheel pulse generator 3 is rotated, the movable platform 9 is driven by the stepping motor 1, the driver 2 and the ball screw 8, the displacement fixed by translation is finely adjusted and aligned, and after alignment is completed, the locking pin 6 is locked, and machining characteristic B side machining work is carried out. Therefore, the utility model discloses the supplementary realization of translation device adds work to the translation machine of large-scale welded structure spare. The machine tool platform is rotated by 180 degrees, the welded structural part does not need to be detached and repositioned, and the positioning can be adjusted according to the translation amount of the translation device.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A translation positioning device applied to machining of large-scale welding structural members is characterized by comprising a stepping motor, a driver, a hand wheel pulse generator, a linear guide rail, a locking pin, an installation base, a ball screw and a moving platform; the linear guide rail is installed the both sides of installation base up end, ball installs the installation base middle part, ball one end is connected step motor the driver hand wheel pulse generator combination, ball both ends installation bearing frame, the last lead screw nut of ball is connected with moving platform, the fitting pin is installed on moving platform.
2. The translational positioning device applied to machining of large-scale welded structural members according to claim 1, wherein the mounting base is bolted to the machining center rotary platform.
3. The translational positioning device applied to machining of large-scale welded structural members as claimed in claim 1, wherein pin holes are formed in the mounting base at intervals of 100mm, and the movable platform can be locked at multiple positions to form a locking device of the movable platform.
4. The translational positioning device applied to machining of large-scale welded structural members as claimed in claim 1, wherein the stepping motor is a time super group model 110BYG 250B; the stepping motor mainly provides power for a transmission system, the horizontal moving stroke is 1500mm, the moving speed is 0-20 mm/s, the maximum acceleration is 20mm/s2, the gravity load of the launching cradle is 3T, and the friction coefficient is selected to be 0.1, so that the driving force is 3600N.
5. The translational positioning device for machining large-sized welded structural members according to claim 1, wherein the driver is model DM 2282.
6. The translational positioning device applied to machining of large-scale welded structural components according to claim 1, further comprising a bearing seat, wherein the bearing seat is selected from FK30 duplex bearings.
7. The translational positioning device for large-scale welding structural member machining according to claim 1, wherein the linear guide rail is selected from model SGR 35.
8. The translational positioning device applied to machining of large-scale welded structural members, as claimed in claim 1, wherein the locking pin is mainly composed of a handle, a pin shaft, a housing and a spring.
9. The translational positioning device applied to machining of large-sized welded structural components, as claimed in claim 1, wherein the ball screw is a SFU5005-4 precision grinding grade ball screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120045066.8U CN214444190U (en) | 2021-01-08 | 2021-01-08 | Translation positioning device applied to machining of large-sized welded structural part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120045066.8U CN214444190U (en) | 2021-01-08 | 2021-01-08 | Translation positioning device applied to machining of large-sized welded structural part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214444190U true CN214444190U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120045066.8U Active CN214444190U (en) | 2021-01-08 | 2021-01-08 | Translation positioning device applied to machining of large-sized welded structural part |
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| CN (1) | CN214444190U (en) |
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2021
- 2021-01-08 CN CN202120045066.8U patent/CN214444190U/en active Active
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