Positioning fixture of laser marking machine for printing high-voltage test data of frequency converter
Technical Field
The utility model relates to a converter high-pressure test technical field specifically is a converter high-pressure test data printing is with laser marking machine's positioning fixture.
Background
Need carry out high-voltage testing to its performance after producing and processing the converter, the result accessible laser marking machine after the test prints on data plate or identification piece, then installs it to the converter on, marks the converter, prints to data and makes accessible positioning fixture carry on spacingly with the object, and the article can remain stable on the workstation of laser marking machine when making follow-up printing, but current positioning fixture still has some weak points when using:
1. when an object is positioned by the existing positioning clamp, the object is mostly fixed in a unilateral positioning mode, so that the object is limited only in the front-back or left-right direction, the stability of the workpiece is poor due to vibration during subsequent processing, the device is easy to deviate, and the subsequent marking quality is reduced;
2. the existing positioning clamp is complex to operate when clamping an object, the fixing efficiency of a workpiece is low, the object is inconvenient to take subsequently when the object is relieved from limitation, and the subsequent processing efficiency and the use convenience of the device are reduced.
Aiming at the problems, innovative design is urgently needed on the basis of the original positioning clamp.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a converter high-pressure test data printing is with laser marking machine's positioning fixture, the mode that adopts unilateral location mostly when fixing a position the object with the positioning fixture that has now on solving the existing market that above-mentioned background art provided, both the object is spacing around only or on the left and right sides direction, it is relatively poor to receive the stability that vibrations influence the work piece in follow-up man-hour, and current positioning fixture is comparatively loaded down with trivial details when carrying out the centre gripping to the object, fixed efficiency to the work piece is lower, and follow-up also comparatively inconvenient problem when relieving spacing taking the object.
In order to achieve the above object, the utility model provides a following technical scheme: a positioning fixture of a laser marking machine for printing high-voltage test data of a frequency converter comprises a workbench, a base, a connecting cloth belt and a pull rope, wherein the base is inlaid on the upper surface of the workbench, a first clamping plate is arranged above the base, second clamping plates are arranged on the front side and the rear side of the first clamping plate, a first connecting block is inlaid on the lower surface of the first clamping plate, a first bidirectional threaded rod penetrates through the first connecting block, a first bidirectional threaded rod bearing is installed inside the base, a second connecting block is inlaid on the lower surface of the second clamping plate, a second bidirectional threaded rod penetrates through the second connecting block, a winding wheel is inlaid on the surface of the second bidirectional threaded rod, the connecting cloth belt is wound on the surface of the winding wheel, a pull ring is fixed on a lower end screw of the connecting cloth belt and is located below the workbench, connect the inside of strap to run through there is the spacing needle, and the right-hand member of spacing needle is provided with the spread groove to the inside at the workstation is seted up to the spread groove, the left side surface mosaic of spacing needle has the stay cord, and the lower extreme fix with screw of stay cord has the piece of drawing, and draws the below that the piece is located the workstation.
Preferably, the length of the first connecting block is less than that of the second connecting block, a threaded connection is formed between the first connecting block and the first bidirectional threaded rod, and the first connecting block is arranged in bilateral symmetry with respect to the center line of the first bidirectional threaded rod.
Preferably, a worm is embedded in the surface of the first bidirectional threaded rod, the first bidirectional threaded rod and the second bidirectional threaded rod are arranged in a vertically staggered mode, and a rotating structure is formed between each of the first bidirectional threaded rod and the base and between each of the second bidirectional threaded rod and the base.
Preferably, a worm wheel is embedded in the surface of the second bidirectional threaded rod, a torsion spring is arranged at the front end of the second bidirectional threaded rod, and the worm wheel and the worm form meshing connection.
Preferably, a key connection is formed between the winding wheel and the second bidirectional threaded rod, and the winding wheel is connected with the pull ring through the connecting cloth belt.
Preferably, reset spring is inlayed to the left end of spacing needle, and constitutes unsmooth cooperation structure between spacing needle and the spread groove to constitute the side-to-side sliding structure between spacing needle and the workstation.
Compared with the prior art, the beneficial effects of the utility model are that: the positioning clamp of the laser marking machine for printing the high-voltage test data of the frequency converter;
(1) the first clamping plate and the second clamping plate are arranged, the periphery of an object can be clamped and positioned through synchronous movement of the first clamping plate and the second clamping plate, the clamping stability of the device for the object is improved, meanwhile, the first clamping plate and the second clamping plate can be synchronously adjusted under the matching of a worm wheel and a worm, the object can be conveniently clamped and positioned subsequently, and the practicability of the device is improved;
(2) be provided with wind-up wheel and spacing needle, the accessible is connected the strap and is pulled the wind-up wheel and rotate, controls the position of clamping plate, and spacing needle can be fixed the position of connecting the strap simultaneously, makes the position of clamping plate keep fixed, and follow-up second bidirectional threaded rod still can be automatic re-setting under torque spring's effect, conveniently carries out the taking of centre gripping and follow-up object to the object, and easy operation improves the convenience in use and follow-up work efficiency of device.
Drawings
FIG. 1 is a schematic view of the main sectional structure of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
FIG. 3 is a schematic top view of the base of the present invention;
FIG. 4 is a schematic view of the main cross-sectional structure of the wind-up wheel of the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 4 according to the present invention.
In the figure: 1. a work table; 2. a base; 3. a first clamping plate; 4. a second clamping plate; 5. a first connection block; 6. a first bidirectional threaded rod; 601. a worm; 7. a second bidirectional threaded rod; 701. a worm gear; 702. a torsion spring; 8. a second connecting block; 9. a winding wheel; 10. connecting a cloth belt; 11. a pull ring; 12. a limit needle; 1201. a return spring; 13. connecting grooves; 14. pulling a rope; 15. and (5) pulling the block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a positioning fixture of a laser marking machine for high-voltage test data printing of a frequency converter comprises a workbench 1, a base 2, a first clamping plate 3, a second clamping plate 4, a first connecting block 5, a first bidirectional threaded rod 6, a second bidirectional threaded rod 7, a second connecting block 8, a winding wheel 9, a connecting cloth belt 10, a pull ring 11, a limiting needle 12, a connecting groove 13, a pull rope 14 and a pull block 15, wherein the base 2 is embedded on the upper surface of the workbench 1, the first clamping plate 3 is arranged above the base 2, the second clamping plates 4 are arranged on the front side and the rear side of the first clamping plate 3, the first connecting block 5 is embedded on the lower surface of the first clamping plate 3, the first bidirectional threaded rod 6 penetrates through the first connecting block 5, the first bidirectional threaded rod 6 is mounted inside the base 2 in a bearing manner, the second connecting block 8 is embedded on the lower surface of the second clamping plate 4, the second bidirectional threaded rod 7 penetrates through the second connecting block 8, a winding wheel 9 is embedded in the surface of the second bidirectional threaded rod 7, a connecting cloth belt 10 is wound on the surface of the winding wheel 9, a pull ring 11 is fixed to the lower end of the connecting cloth belt 10 through a screw, the pull ring 11 is located below the workbench 1, a limiting needle 12 penetrates through the connecting cloth belt 10, a connecting groove 13 is arranged at the right end of the limiting needle 12, the connecting groove 13 is formed in the workbench 1, a pull rope 14 is embedded in the left side surface of the limiting needle 12, a pull block 15 is fixed to the lower end of the pull rope 14 through a screw, and the pull block 15 is located below the workbench 1;
the length of the first connecting block 5 is smaller than that of the second connecting block 8, the first connecting block 5 is in threaded connection with the first bidirectional threaded rod 6, the first connecting block 5 is arranged in bilateral symmetry with respect to the center line of the first bidirectional threaded rod 6, and the position of the first connecting block 5 can be controlled through the rotation of the subsequent first bidirectional threaded rod 6 by the structural design, so that the first clamping plate 3 is driven to move;
the surface of the first bidirectional threaded rod 6 is embedded with a worm 601, the first bidirectional threaded rod 6 and the second bidirectional threaded rod 7 are arranged in a vertically staggered manner, and a rotating structure is formed between each of the first bidirectional threaded rod 6 and the second bidirectional threaded rod 7 and the base 2, and the structural design can realize linkage between the first bidirectional threaded rod 6 and the second bidirectional threaded rod 7 through the cooperation of the subsequent worm 601 and the worm gear 701;
the surface of the second bidirectional threaded rod 7 is inlaid with a worm wheel 701, the front end of the second bidirectional threaded rod 7 is provided with a torsion spring 702, the worm wheel 701 and the worm 601 form meshing connection, and the structural design enables the subsequent second bidirectional threaded rod 7 to reset under the action of the torsion spring 702 to release clamping on an object;
the winding wheel 9 and the second bidirectional threaded rod 7 form a key connection, the winding wheel 9 is connected with a pull ring 11 through a connecting cloth belt 10, and the winding wheel 9 can be driven to rotate by the aid of the structural design that the connecting cloth belt 10 is pulled by the subsequent pull ring 11 to unwind on the winding wheel 9;
the left end of spacing needle 12 is inlayed and is had reset spring 1201, and constitutes unsmooth cooperation structure between spacing needle 12 and the spread groove 13 to constitute the horizontal slip structure between spacing needle 12 and the workstation 1, above-mentioned structural design accessible spacing needle 12 is fixed the position of connecting strap 10, and is spacing to second bidirectional threaded rod 7.
The working principle is as follows: when the positioning fixture of the laser marking machine for printing high-voltage test data of the frequency converter is used, firstly, as shown in fig. 1 and 3, an object to be processed can be placed above a base 2, the object is positioned through a first clamping plate 3 and a second clamping plate 4, when the positioning operation is carried out, as shown in fig. 2 and 4, a pulling block 15 is pulled downwards, as shown in fig. 5, the pulling block 15 pulls a limiting needle 12 through a pulling rope 14 to move, the limiting needle 12 is pulled out from the inside of a connecting cloth belt 10, and then the connecting cloth belt 10 can be pulled through a pulling ring 11 to move;
pulling a pull ring 11, pulling a connecting cloth belt 10 by the pull ring 11 to unreel on a reeling wheel 9 to drive the reeling wheel 9 to rotate, driving a second bidirectional threaded rod 7 to rotate by the reeling wheel 9, simultaneously storing force by a torsion spring 702, driving a second clamping plate 4 to move by a second connecting block 8 while rotating the second bidirectional threaded rod 7, driving a worm 601 to rotate by a worm wheel 701 to rotate a first bidirectional threaded rod 6, driving a first clamping plate 3 to move by a first connecting block 5 to clamp an object, loosening a pull block 15 after stable clamping, extending a limiting needle 12 out under the action of a reset spring 1201 to penetrate through the connecting cloth belt 10 to enter a connecting groove 13 to limit the connecting cloth belt 10, then loosening the pull ring 11 to complete the positioning of the object, pulling the pull block 15 again to release the connection of the limiting needle 12 and the connecting cloth belt 10 when the positioning needs to be released subsequently, torsion spring 702 drives second bidirectional threaded rod 7 and rotates, makes first grip block 3 and second grip block 4 move to the outside and resets, can remove the centre gripping to the object, easy operation improves the practicality of device.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.