CN214212954U - Adjustable positioning mechanism suitable for precision turning of bit leg - Google Patents
Adjustable positioning mechanism suitable for precision turning of bit leg Download PDFInfo
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- CN214212954U CN214212954U CN202120188048.5U CN202120188048U CN214212954U CN 214212954 U CN214212954 U CN 214212954U CN 202120188048 U CN202120188048 U CN 202120188048U CN 214212954 U CN214212954 U CN 214212954U
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Abstract
The utility model discloses an adjustable positioning mechanism suitable for gripper block finish turning, it relates to gripper block processing technology field. The technical scheme is characterized by comprising a flange plate, wherein a positioning block is arranged on the flange plate, and a movement limiting assembly matched with the positioning block is arranged on the flange plate, so that the positioning block can move and adjust relative to the flange plate along the X direction; the positioning block is provided with a front end positioning piece and a rear end positioning piece respectively, the front end positioning piece and the rear end positioning piece can move along the Y direction relative to the positioning block, and the Y direction is perpendicular to the X direction; the positioning block is provided with a locking assembly capable of limiting the front end positioning piece. The utility model is suitable for a numerical control merry go round machine, it is simple reliable, it is big to be suitable for size range, and positioning accuracy is high, adjusts swiftly, and equipment drops into lowly.
Description
Technical Field
The utility model relates to a palm processing technology field, more specifically say, it relates to an adjustable positioning mechanism suitable for palm finish turning.
Background
When the shaft neck of the bit leg is finished, the 120-degree surface of the bit leg is seriously deformed after the quenching and tempering for twice through heat treatment, so the shaft neck can not be finished by the positioning reference of rough turning of the shaft neck.
The prior chinese patent with publication number CN105500045B discloses a bit leg positioning method and a positioning fixture, which include a flange, a positioning block and a pressing component, wherein the positioning block is respectively provided with a first positioning pin, a second positioning pin and a third positioning pin for supporting and positioning the bit leg.
The positioning fixture solves the problem that when the bearing pin shaft neck is finished, the rough turning positioning reference cannot be used, so that the finish turning cannot be finished on a common numerical control lathe.
However, the above positioning jig has many disadvantages: firstly, the positioning block and the positioning pin are fixed, so that the requirements on the processing precision of the positioning block and the positioning hole on the bit leg are very high, if the processing is not in place, the situation that the positioning pin is not aligned with the positioning hole to cause that the bit leg cannot be installed or the position of the bit leg deviates from a main shaft after being installed to cause that the processing cannot be carried out easily occurs, so that on one hand, the product cannot be continuously processed to influence the production efficiency, and on the other hand, the positioning block and the positioning pin need to be processed again to increase the production cost and cause resource waste; secondly, the positioning hole is far away from the processing part, so that the rigidity of the workpiece is insufficient after the workpiece is pressed; and thirdly, the tail end positioning hole is positioned on the thread buckle handle part of the bit leg, the angle formed by the tail end positioning hole and the handle part is small, the processing difficulty is high, and the position precision is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an adjustable positioning mechanism suitable for gripper's finish turning, it is applicable to the numerical control merry go round machine, and is simple reliable, and it is big to be suitable for size range, and positioning accuracy is high, adjusts swiftly, and equipment drops into lowly.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an adjustable positioning mechanism suitable for precision turning of a bit leg comprises a flange plate, wherein a positioning block is arranged on the flange plate, and a movement limiting assembly matched with the positioning block is arranged on the flange plate, so that the positioning block can move and adjust relative to the flange plate along the X direction;
the positioning block is provided with a front end positioning piece and a rear end positioning piece respectively, the front end positioning piece and the rear end positioning piece can move along the Y direction relative to the positioning block, and the Y direction is perpendicular to the X direction;
the positioning block is provided with a locking assembly capable of limiting the front end positioning piece.
By adopting the scheme, the bit leg can be adjusted and positioned in two mutually perpendicular directions, so that the radial run-out of the bit leg shaft neck meets the requirement, and the bit leg can be processed in batch subsequently; the machining precision requirement on the parts can be reduced by adjusting and positioning, and the reworking is avoided, so that the production cost can be reduced, and the production efficiency is improved.
Furthermore, an adjusting driving assembly used for controlling the positioning block to move is arranged on the flange plate.
The adjusting driving component is adopted to control the positioning block to move, so that on one hand, the operation is convenient, and on the other hand, the adjusting efficiency can be improved.
Furthermore, adjust drive assembly include with the regulation fixed block that the ring flange is connected, wear to be equipped with on the regulation fixed block with the regulation lead screw of locating piece connection.
The adjusting screw rod is adopted to control the movement of the positioning block, so that the movement stroke of the positioning block can be effectively controlled, the accurate adjustment is convenient, and the efficiency is improved.
Furthermore, the movable limiting assembly comprises a limiting sliding groove, and a sliding limiting part matched with the limiting sliding groove is arranged on the positioning block; the movable limiting assembly further comprises a first pressing block matched with the positioning block, and a first locking screw connected with the flange plate penetrates through the first pressing block.
Furthermore, the flange plate is provided with two baffle plates which are respectively positioned at two sides of the positioning block, and the limiting sliding groove is formed between the two baffle plates and the flange plate.
Two baffles are adopted to form a limiting sliding groove, so that the processing is convenient, and the replacement or the maintenance is convenient after the long-time use and abrasion.
Furthermore, a position yielding opening matched with the first pressing block is formed in the baffle plate, so that the first pressing block can press the sliding limiting part.
Inlay in the baffle with first compact heap, utilize the baffle to carry on spacingly to first compact heap on the one hand, on the other hand can simplify overall structure when avoiding interfering with the bit leg.
Furthermore, the front end positioning part comprises an adjusting slide block, a front end positioning pin is arranged on the adjusting slide block, the rear end positioning part comprises a positioning slide block, and a rear end positioning pin is arranged on the positioning slide block.
Set up the front end locating pin on adjusting the slider, set up the rear end locating pin on the location slider, if processing goes wrong, only need to reprocess front end setting element or rear end setting element can, and need not reprocess the locating piece to can reduction in production cost, reduce the wasting of resources.
Furthermore, an open slot matched with the adjusting slider is formed in the positioning block, the locking assembly comprises a second pressing block which is embedded in the open slot and matched with the adjusting slider, and a tensioning screw connected with the second pressing block penetrates through the positioning block.
Adopt straining screw and the cooperation of second compact heap to compress tightly spacing to adjusting block, can avoid causing the interference to the bit leg, simple structure is reliable moreover, the operation of being convenient for.
Furthermore, two second pressing blocks are embedded in the open slot and are respectively located at two ends of the adjusting slide block.
Furthermore, a sliding hole matched with the positioning sliding block and an adjusting hole for the rear end positioning pin to penetrate out are formed in the positioning block; the inner side wall of the adjusting hole is in clearance fit with the outer side wall of the rear end positioning pin.
To sum up, the utility model discloses following beneficial effect has:
1. the adjustable positioning block, the front end positioning piece and the rear end positioning piece are adopted, so that the radial runout of the shaft neck of the bit leg can meet the requirement through adjustment after the bit leg is installed, and the workpieces can be processed in batches subsequently;
2. the machining precision requirement of the part can be reduced by adjusting and positioning, so that the production cost can be reduced, the resource waste can be reduced, and the production efficiency can be improved;
3. the clamp is suitable for a numerical control vertical lathe, is simple and reliable, and has the advantages of wide application size range, high positioning precision, quick adjustment and low equipment investment.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an adjustable positioning mechanism suitable for precision turning of a bit leg in the embodiment;
FIG. 2 is a first schematic structural diagram of an adjustable positioning mechanism suitable for precision turning of a bit leg in the embodiment;
FIG. 3 is a second schematic structural view of an adjustable positioning mechanism suitable for precision turning of a bit leg in the embodiment;
FIG. 4 is a third schematic structural view of an adjustable positioning mechanism suitable for precision turning of a bit leg in the embodiment;
FIG. 5 is a schematic structural diagram of a bit leg in the embodiment.
In the figure: 11. palm back; 12. a threaded shank portion; 13. a front end positioning hole; 14. a tail positioning hole; 2. a flange plate; 3. positioning blocks; 31. an open slot; 32. a slide hole; 33. a slide limit part; 34. an adjustment hole; 4. a baffle plate; 41. a limiting chute; 42. a first compact block; 43. a first locking screw; 51. adjusting the fixed block; 52. adjusting the lead screw; 61. adjusting the sliding block; 62. a front end locating pin; 63. a second compact block; 64. tightening the screw; 65. positioning the sliding block; 66. and a rear end positioning pin.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Example (b):
an adjustable positioning mechanism suitable for precision turning of a bit leg is disclosed, and referring to fig. 1 to 4, the adjustable positioning mechanism comprises a flange plate 2, a positioning block 3 is arranged on the flange plate 2, and a movement limiting component matched with the positioning block 3 is arranged on the flange plate 2, so that the positioning block 3 can move and adjust along the X direction relative to the flange plate 2; the positioning block 3 is respectively provided with a front end positioning piece and a rear end positioning piece, and the front end positioning piece and the rear end positioning piece can move along the Y direction relative to the positioning block 3, and the Y direction is vertical to the X direction; a locking assembly capable of limiting the front end positioning piece is arranged on the positioning block 3; the adjustable positioning mechanism suitable for the precision turning of the bit leg is suitable for a numerical control vertical lathe, the flange plate 2 is connected with a lathe spindle, and the bit leg can be adjusted and positioned in X and Y mutually perpendicular directions to enable the radial runout of a bit leg shaft neck to meet requirements.
Referring to fig. 1 to 3, in the present embodiment, an adjusting driving assembly for controlling the positioning block 3 to move is disposed on the flange 2; specifically, the adjusting driving assembly comprises an adjusting fixed block 51 connected with the flange 2, and an adjusting screw 52 connected with the positioning block 3 penetrates through the adjusting fixed block 51; the positioning block 3 can be controlled to move by rotating the adjusting screw 52, the operation is convenient, and the adjusting stroke can be accurately controlled; in other alternative embodiments, the adjusting driving assembly may also be of an electric structure, for example, the adjusting screw 52 is controlled by a motor to rotate; the adjusting fixing block 51 in this embodiment also plays a role of a counterweight, and the specification can be changed according to the size of the workpiece.
Referring to fig. 1 to 4, the movable limiting assembly includes a limiting sliding groove 41, the bottom end of the positioning block 3 is provided with a sliding limiting portion 33 matched with the limiting sliding groove 41, and the limiting sliding groove 41 is dovetail-shaped in this embodiment, so that the positioning block 3 can only move along the X direction; in other alternative embodiments, the limiting chute 41 may also have other shapes, such as a T-shape, and is not limited herein; the movable limiting assembly further comprises a first pressing block 42 matched with the positioning block 3, and a first locking screw 43 connected with the flange plate 2 penetrates through the first pressing block 42; after the positioning block 3 is adjusted in place, the first locking screw 43 is screwed to enable the first pressing block 42 to press the positioning block 3 tightly, so that the positioning block 3 can be limited and fixed to prevent the positioning block 3 from moving; specifically, in the embodiment, the flange 2 is provided with two baffles 4 respectively positioned at two sides of the positioning block 3, and a limiting sliding chute 41 is formed between the two baffles 4 and the flange 2, so that the processing is facilitated and the processing difficulty is reduced; the baffle 4 is provided with a position-giving opening matched with the first pressing block 42, so that the first pressing block 42 can press the side slope of the sliding limiting part 33.
Referring to fig. 1, 2 and 5, the front end positioning element includes an adjusting slide block 61, a front end positioning pin 62 is disposed on the adjusting slide block 61, the rear end positioning element includes a positioning slide block 65, and a rear end positioning pin 66 is disposed on the positioning slide block 65; in this embodiment, the adjusting slide block 61 is provided with two front end positioning pins 62 which are matched with the two front end positioning holes 13 on the palm back 11, and the positioning slide block 65 is provided with a rear end positioning pin 66 which is matched with the tail end positioning hole 14 on the screw thread handle 12, so that three-point positioning is realized on the tooth palm, and the stability of the tooth palm is ensured; in the embodiment, the front end positioning hole 13 is opposite to the shaft neck, namely the front end positioning pin 62 is positioned below the shaft neck during processing, so that the rigidity of the pressed tooth palm can be improved; the tail positioning hole 14 is arranged at one end of the screw thread handle part 12 close to the palm back 11, so that the tail positioning hole 14 can be conveniently processed, and the position precision of the tail positioning hole is ensured.
Referring to fig. 1 and 2, an open slot 31 matched with the adjusting slider 61 is formed in the positioning block 3, the locking assembly includes a second pressing block 63 embedded in the open slot 31 and matched with the adjusting slider 61, and a tightening screw 64 connected with the second pressing block 63 penetrates through the positioning block 3; in this embodiment, the section of the adjusting slider 61 is trapezoidal, one side inclined surface of the adjusting slider is in contact fit with the inner side wall of the open slot 31, and the other side inclined surface of the adjusting slider is in contact fit with the side wall of the second pressing block 63, so that the adjusting slider 61 can be limited after the second pressing block 63 is locked, and the adjusting slider 61 can only move along the Y direction; in order to avoid interference, the second pressing block 63 is locked by the tensioning screw 64 in the embodiment, that is, the head of the tensioning screw 64 is located on the back of the positioning block 3, so that the operation is convenient, and interference to the bit leg is avoided; specifically, adopt two second compact heap 63 to carry out spacing fixed to adjusting block 61 in this embodiment, and two second compact heap 63 are located adjusting block 61's both ends respectively, can improve adjusting block 61's atress homogeneity and stability like this, avoid its skew after locking.
Referring to fig. 1, 2 and 5, the positioning block 3 is provided with a sliding hole 32 matched with the positioning slider 65 and an adjusting hole 34 for the rear end positioning pin 66 to penetrate through, and the inner side wall of the adjusting hole 34 is in clearance fit with the outer side wall of the rear end positioning pin 66; in the embodiment, the rear end positioning pin 66 is in a movable state and mainly plays a supporting role, so that the positioning slide block 65 can only move along the Y direction by being limited by the slide hole 32, and is not limited and fixed by a locking assembly, so that the structure can be simplified, meanwhile, the locking assembly is arranged at the position of the positioning block 3, which is positioned at the rear end positioning pin 66, so that the processing difficulty is high, the operation is inconvenient, and the interference on the palm of the tooth is easy to cause, so that the front end positioning piece is limited by the locking assembly in the embodiment; in this embodiment, the adjusting hole 34 is a circular hole, and the outer diameter thereof is larger than the outer diameter of the rear end positioning pin 66, so as to provide the movement amount for the movement of the rear end positioning pin 66, although the adjusting hole 34 may also be in other shapes, such as a kidney-shaped hole, and the like, which is not limited herein; in this embodiment, the rear end positioning pin 66 needs to support the bit leg, so it includes two parts with different outer diameters, the outer diameter of the end part is smaller and is matched with the tail positioning hole 14, and the outer diameter of the other part is larger than the inner diameter of the tail positioning hole 14, so that the bit leg can be supported.
Referring to fig. 2, in the embodiment, the axes of the front end positioning pin 62 and the rear end positioning pin 66 are parallel to each other and are intersected with the surface of the flange 2 in an inclined manner, so that the stability of the bit leg can be improved, the processing precision is ensured, and the hole opening of the bit leg is also facilitated.
Claims (10)
1. The utility model provides an adjustable positioning mechanism suitable for accurate car of gripper's hand, includes the ring flange, be provided with locating piece, its characterized in that on the ring flange: the flange plate is provided with a movable limiting assembly matched with the positioning block, so that the positioning block can be movably adjusted relative to the flange plate along the X direction;
the positioning block is provided with a front end positioning piece and a rear end positioning piece respectively, the front end positioning piece and the rear end positioning piece can move along the Y direction relative to the positioning block, and the Y direction is perpendicular to the X direction;
the positioning block is provided with a locking assembly capable of limiting the front end positioning piece.
2. The adjustable positioning mechanism suitable for precision turning of bit legs as claimed in claim 1, wherein: and the flange plate is provided with an adjusting driving assembly for controlling the positioning block to move.
3. The adjustable positioning mechanism suitable for precision palm turning of claim 2, wherein: the adjusting driving assembly comprises an adjusting fixing block connected with the flange plate, and an adjusting lead screw connected with the positioning block penetrates through the adjusting fixing block.
4. The adjustable positioning mechanism suitable for precision turning of bit legs as claimed in claim 1, wherein: the movable limiting assembly comprises a limiting sliding groove, and a sliding limiting part matched with the limiting sliding groove is arranged on the positioning block; the movable limiting assembly further comprises a first pressing block matched with the positioning block, and a first locking screw connected with the flange plate penetrates through the first pressing block.
5. The adjustable positioning mechanism suitable for precision turning of bit legs as claimed in claim 4, wherein: the flange plate is provided with two baffle plates which are respectively positioned at two sides of the positioning block, and the limiting sliding groove is formed between the baffle plates and the flange plate.
6. The adjustable positioning mechanism suitable for precision turning of bit legs as claimed in claim 5, wherein: and a position yielding opening matched with the first pressing block is formed in the baffle plate, so that the first pressing block can press the sliding limiting part.
7. The adjustable positioning mechanism suitable for precision lathing of a bit leg as claimed in any one of claims 1 to 6, wherein: the front end positioning part comprises an adjusting slide block, a front end positioning pin is arranged on the adjusting slide block, the rear end positioning part comprises a positioning slide block, and a rear end positioning pin is arranged on the positioning slide block.
8. The adjustable positioning mechanism suitable for precision turning of bit legs as claimed in claim 7, wherein: the positioning block is provided with an open slot matched with the adjusting slide block, the locking assembly comprises a second pressing block which is embedded in the open slot and matched with the adjusting slide block, and the positioning block is provided with a tensioning screw connected with the second pressing block in a penetrating manner.
9. The adjustable positioning mechanism suitable for precision palm turning of claim 8, wherein: two second compact heap are equipped with to the open slot is embedded, and two the second compact heap is located respectively adjust the both ends of slider.
10. The adjustable positioning mechanism suitable for precision turning of bit legs as claimed in claim 7, wherein: the positioning block is provided with a sliding hole matched with the positioning sliding block and an adjusting hole for the rear end positioning pin to penetrate out; the inner side wall of the adjusting hole is in clearance fit with the outer side wall of the rear end positioning pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120188048.5U CN214212954U (en) | 2021-01-22 | 2021-01-22 | Adjustable positioning mechanism suitable for precision turning of bit leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120188048.5U CN214212954U (en) | 2021-01-22 | 2021-01-22 | Adjustable positioning mechanism suitable for precision turning of bit leg |
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| Publication Number | Publication Date |
|---|---|
| CN214212954U true CN214212954U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120188048.5U Active CN214212954U (en) | 2021-01-22 | 2021-01-22 | Adjustable positioning mechanism suitable for precision turning of bit leg |
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| CN (1) | CN214212954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828636A (en) * | 2021-01-22 | 2021-05-25 | 苏州赛莱科斯工具有限公司 | Gripper for finish turning of bit leg |
-
2021
- 2021-01-22 CN CN202120188048.5U patent/CN214212954U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828636A (en) * | 2021-01-22 | 2021-05-25 | 苏州赛莱科斯工具有限公司 | Gripper for finish turning of bit leg |
| CN112828636B (en) * | 2021-01-22 | 2024-08-20 | 苏州赛莱科斯工具有限公司 | Bit leg finish turning clamp |
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