CN219632771U - Automatic positioning and clamping tool for extender - Google Patents
Automatic positioning and clamping tool for extender Download PDFInfo
- Publication number
- CN219632771U CN219632771U CN202320675236.XU CN202320675236U CN219632771U CN 219632771 U CN219632771 U CN 219632771U CN 202320675236 U CN202320675236 U CN 202320675236U CN 219632771 U CN219632771 U CN 219632771U
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- positioning
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- extender
- fixed block
- movable block
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- 239000004606 Fillers/Extenders Substances 0.000 title claims abstract description 43
- 238000012545 processing Methods 0.000 abstract description 9
- 238000003801 milling Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to an automatic positioning and clamping tool for an extender, which comprises a base, a pair of guide blocks arranged on the base, and a movable block and a fixed block which are arranged between the two guide blocks and are arranged oppositely, wherein the movable block can move towards or away from the fixed block, two symmetrically arranged positioning pins which can pass through the movable block are arranged on the fixed block, springs are sleeved on the positioning pins, positioning bulges are respectively arranged at the tops of the fixed block and the movable block, and the two positioning bulges are correspondingly arranged. The automatic positioning and clamping tool for the extender can realize accurate positioning of products, so that the milling processing of the curved surface of the products is performed by adopting a processing center to replace the original linear cutting processing, the processing efficiency is improved, and the precision of the curved surface processing of the products is ensured.
Description
Technical Field
The utility model belongs to the technical field of medical instrument processing and positioning, and particularly relates to an automatic positioning and clamping tool for an extender.
Background
Traditional thin-wall products such as an extender for spinal surgery, after the inner cavity of the extender is processed, a wire is moved in the process of cutting a curved surface of a workpiece, the roughness of the curved surface of the wire cutting is poor, errors exist in the wire cutting, the qualification rate of the workpiece is low, the wire cutting speed is low, and the efficiency is low.
Disclosure of Invention
The utility model aims to provide an automatic positioning and clamping tool for an extender, which is used for solving the problems of low curved surface machining efficiency and poor quality.
The automatic positioning and clamping tool for the extender is realized by the following steps:
the utility model provides an automatic positioning presss from both sides tight frock for extender, is in including base and setting a pair of guide block on the base to and install movable block and the fixed block that just set up relatively between two guide blocks, the movable block can be oriented or keep away from the direction removal of fixed block, be provided with two symmetries on the fixed block and set up and can pass the locating pin of movable block, just the cover has the spring on the locating pin, the top of fixed block and movable block is provided with the location arch respectively, and two location archs correspond the setting.
Further, a positioning clamping groove is formed in the bottom of one end of the positioning protrusion, and a positioning plate is arranged on the surface of the other end of the positioning protrusion.
Further, the positioning protrusions are arranged on the opposite edges of the upper surfaces of the fixed block and the movable block, the positioning clamping grooves are formed in the side edges of the two positioning protrusions, which are opposite to each other, and the positioning plates are arranged on the opposite side edges of the two positioning protrusions.
Further, the guide block is of an inverted L-shaped structure, the fixed block and the movable block are of an I-shaped structure, and two ends of the fixed block and the movable block are matched with the guide block.
Further, a mounting groove is formed in the base below the fixed block, and the fixed block is arranged in the mounting groove through a bolt.
Further, an adjusting screw is arranged on the movable block and positioned between the two positioning pins, and the adjusting screw penetrates through the movable block to be in threaded connection with the fixed block.
Further, the locating pins comprise two locating pins which are symmetrically arranged on two sides of the adjusting screw rod.
Further, a round groove is formed in the side face, facing the fixed block, of the movable block, and the spring can extend into the round groove.
Further, a limiting block is arranged on a base on one side, away from the fixed block, of the movable block, and the limiting block is installed in the limiting groove through a locking bolt.
Further, the guide block is detachably mounted on the base.
Further, the base is provided with a mounting hole.
After the technical scheme is adopted, the utility model has the following beneficial effects:
according to the utility model, through the cooperation of the movable block and the fixed block and the combination of the positioning protrusion matched with the product structure, the accurate positioning of the product can be realized through the action of the spring, and the product can be subjected to curved surface milling by adopting a processing center to replace the original linear cutting processing, so that the processing efficiency is improved, and the curved surface processing precision of the product is ensured.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a block diagram of an automatic positioning and clamping fixture for an extender in accordance with a preferred embodiment of the present utility model;
FIG. 2 is a top view of an automated positioning clamping fixture for an extender in accordance with a preferred embodiment of the present utility model;
FIG. 3 is a block diagram of the base of the automatic positioning and clamping tool for the extender of the preferred embodiment of the present utility model;
FIG. 4 is a block diagram of the movable block of the automatic positioning and clamping tool for the extender of the preferred embodiment of the present utility model;
FIG. 5 is a block diagram of a fixture block of an automatic positioning and clamping tool for an extender in accordance with a preferred embodiment of the present utility model;
FIG. 6 is a positioning state diagram of an automatic positioning and clamping tool for an extender in accordance with a preferred embodiment of the present utility model;
in the figure: the device comprises a base 1, a guide block 2, a movable block 3, a fixed block 4, a locating pin 5, a spring 6, a locating boss 7, a locating clamping groove 8, a locating plate 9, a mounting groove 10, a bolt 11, an adjusting screw 12, a circular groove 13, a limiting block 14, a locking bolt 15, a limiting groove 16, a mounting hole 17 and an extender 18.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
As shown in fig. 1-6, an automatic positioning and clamping fixture for an extender comprises a base 1, a pair of guide blocks 2 arranged on the base 1, and a movable block 3 and a fixed block 4 which are arranged between the two guide blocks 2 and are arranged oppositely, wherein the movable block 3 can move towards or away from the direction of the fixed block 4, two positioning pins 5 which are symmetrically arranged and can penetrate through the movable block 3 are arranged on the fixed block 4, springs 6 are sleeved on the positioning pins 4, positioning protrusions 7 are respectively arranged at the tops of the fixed block 4 and the movable block 3, and the two positioning protrusions 7 are correspondingly arranged.
In this embodiment, an extension bar for minimally invasive surgery is taken as an example, one end of the extension bar is of a downward arc-shaped cover structure, and the other end of the extension bar is provided with a through groove.
In order to be matched with the structure of the extension bar, one end bottom of the positioning protrusion 7 is provided with a positioning clamping groove 8, and the other end upper surface is provided with a positioning plate 9.
The positioning slot 8 is used for matching with the arc-shaped cover structure, and the positioning plate 9 is used for positioning the position of the through slot.
The setting of location protruding 7 is then the structure that is used for cooperating extender 18, realizes its accurate location and fixed, and wherein, location protruding 7 sets up at the opposite edge of fixed block 4 and movable block 3 upper surface, and location draw-in groove 8 sets up the side that deviates from at two location protruding 7 mutually, and locating plate 9 sets up the side that is opposite at two location protruding 7.
When the extender 18 is positioned, one end of the extender, which is an arc-shaped cover, is covered at one end provided with the positioning clamping groove 8, so that the edge of the arc-shaped cover is clamped in the positioning clamping groove 8, and the positioning plate 9 can be clamped on the side wall of the through groove to position the through groove.
The setting of guide block 2 is used for guiding the removal of movable block 3, in order to realize the cooperation of guide block 2 and fixed block 4 and movable block 3, and guide block 2 is the L type structure of inversion, and fixed block 4 and movable block 3 are "worker" style of calligraphy structure, and its both ends and guide block 2 cooperation.
Specifically, the transverse parts of the two guide blocks 2 are arranged in opposite directions and are matched with the middle gaps of the fixed block 4 and the movable block 3, so that the moving direction of the movable block 3 can be ensured when the movable block moves, and the offset is prevented.
Referring to fig. 3, in order to define the position of the fixing block 4 and to facilitate installation, a mounting groove 10 is provided on the base 1 below the fixing block 4, and the fixing block 4 is disposed in the mounting groove 10 by a bolt 11.
The bolts 11 are disposed upward from below the base 1 so as to penetrate the base 1 and connect with the bottom of the fixed block 4.
In order to drive the movable block 3 to move towards or away from the fixed block 4, an adjusting screw 12 is arranged on the movable block 3, the adjusting screw 12 is positioned between the two positioning pins 5, and the adjusting screw 12 penetrates through the movable block 3 to be in threaded connection with the fixed block 4.
Specifically, the adjusting screw 12 penetrates into the movable block 3 from the direction that the movable block 3 deviates from the fixed block 4, and is in threaded connection with the fixed block 4 after penetrating through the movable block 3, and the distance between the fixed block 4 and the movable block 3 can be adjusted by rotating the adjusting screw 12.
The adjusting screw 12 is arranged between the two positioning pins 5 to ensure the balance of the movement of the two ends of the movable block 3.
The spring 6 is sleeved on the locating pins 5, and the movable block 3 and the fixed block 4 can be kept parallel through the elastic action of the spring 6 on the two locating pins 5, and the situation that products are damaged due to overlarge moment can be avoided, so that the product locating precision is improved.
Referring to fig. 4, since the width of the extender 18 is small, the distance between the fixed block 4 and the movable block 3 in the positioning state needs to be set according to the specification of the extender 18, and in order to facilitate the installation and compression of the spring 6, the side of the movable block 3 facing the fixed block 4 is provided with a circular groove 13, and the spring 6 can extend into the circular groove 13.
When moving the movable block 3 towards the fixed block 4, the spring 6 stretches into the circular groove 13, when the movable block 3 moves continuously, the spring 6 also compresses in the circular groove 13 continuously, and the positioning pin 5 can stretch out of the movable block 3 through the inner wall of the circular groove 13.
In order to conveniently limit the position of the movable block 3, a limiting block 14 is arranged on the base 1 on one side, away from the fixed block 4, of the movable block 3, and the limiting block 14 is installed in the limiting groove 16 through a locking bolt 15.
After the extender 18 is positioned, the limiting block 14 moves towards the movable block 3 in the limiting groove 16, and then the locking bolt 15 passes through the limiting block 14 from top to bottom and is connected to the base 1 at the bottom of the limiting groove 16, so that the limiting block 14 and the movable block 3 are used for fixing the position, and the positioning stability and the positioning accuracy of the extender 18 in the machining process are ensured.
In order to facilitate the replacement and maintenance of the guide block 2, the guide block 2 is detachably mounted on the base 1.
Specifically, the guide block 2 is mounted on the base 1 by bolts 10.
Through the automatic positioning and clamping fixture for the extender disclosed by the embodiment, the extender 18 can be directly placed in a machining center for milling a curved surface, and the base 1 is conveniently arranged on an operating platform of the machining center, and the base 1 is provided with the mounting hole 17.
Referring to fig. 6, before clamping the extender 18, the adjusting screw 12 is rotated first, the movable block 3 moves toward the fixed block 4, so that the distance between the fixed block 4 and the movable block 2 is reduced to be smaller than the positioning width of the extender 18, then the extender 18 is placed on the positioning protrusion 7, and then the adjusting screw 12 is rotated reversely, so that the workpiece pushes the movable block 3 toward a direction away from the fixed block 4 by the elastic force of the two springs 6, thereby realizing automatic positioning and clamping of the product. After the positioning is finished, the machining center can be used for milling the curved surface of the extender 18, the operation is convenient and simple, the product machining quality is ensured, and the machining efficiency is improved.
In addition, the automatic positioning and clamping tool for the extender disclosed by the utility model not only can be suitable for positioning the extender 18, but also can replace a fixed block and a movable block with positioning protrusions according to the needs, and adopts the positioning protrusions with different structures, so that the curved surface processing of thin-wall workpieces with different shapes can be realized, and the application range is wide.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. The utility model provides an automatic positioning presss from both sides tight frock for extender, its characterized in that includes base (1) and sets up a pair of guide block (2) on base (1) to and install movable block (3) and fixed block (4) that just set up relatively between two guide blocks (2), movable block (3) can be oriented or keep away from the direction removal of fixed block (4), be provided with two symmetries settings and can pass on fixed block (4) locating pin (5) of movable block (3), just the cover has spring (6) on locating pin (5), the top of fixed block (4) and movable block (3) is provided with location arch (7) respectively, and two location archs (7) correspond the setting.
2. The automatic positioning and clamping tool for the extender as claimed in claim 1, wherein a positioning clamping groove (8) is formed in the bottom of one end of the positioning protrusion, and a positioning plate (9) is arranged on the surface of the other end of the positioning protrusion.
3. The automatic positioning and clamping tool for the extender of claim 2, wherein the positioning protrusions (7) are arranged on opposite edges of the upper surfaces of the fixed block (4) and the movable block (3), the positioning clamping grooves (8) are formed in the side edges of the two positioning protrusions (7) which face away from each other, and the positioning plate (9) is arranged on the opposite side edges of the two positioning protrusions (7).
4. The automatic positioning and clamping tool for the extender of claim 1, wherein the guide block (2) is of an inverted L-shaped structure, the fixed block (4) and the movable block (3) are of an I-shaped structure, and two ends of the fixed block and the movable block are matched with the guide block (2).
5. The automatic positioning and clamping tool for the extender of claim 1, wherein a mounting groove (10) is formed in a base below the fixed block (4), and the fixed block (4) is arranged in the mounting groove (10) through a bolt (11).
6. The automatic positioning and clamping tool for the extender of claim 1, wherein an adjusting screw (12) is installed on the movable block (3), the adjusting screw (12) is located between the two positioning pins (5), and the adjusting screw (12) penetrates through the movable block (3) to be in threaded connection with the fixed block (4).
7. The automatic positioning and clamping tool for the extender as claimed in claim 1, wherein a round groove (13) is formed in the side surface, facing the fixed block (4), of the movable block (3), and the spring (6) can extend into the round groove (13).
8. The automatic positioning and clamping tool for the extender of claim 1, wherein a limiting block (14) is arranged on a side base (1) of the movable block (3) deviating from the fixed block (4), and the limiting block (14) is arranged in the limiting groove (16) through a locking bolt (15).
9. The automatic positioning and clamping fixture for the extender as claimed in claim 1, wherein the guide block (2) is detachably mounted on the base (1).
10. The automatic positioning and clamping fixture for the extender as claimed in claim 1, wherein the base (1) is provided with a mounting hole (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320675236.XU CN219632771U (en) | 2023-03-30 | 2023-03-30 | Automatic positioning and clamping tool for extender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320675236.XU CN219632771U (en) | 2023-03-30 | 2023-03-30 | Automatic positioning and clamping tool for extender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219632771U true CN219632771U (en) | 2023-09-05 |
Family
ID=87816449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320675236.XU Active CN219632771U (en) | 2023-03-30 | 2023-03-30 | Automatic positioning and clamping tool for extender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219632771U (en) |
-
2023
- 2023-03-30 CN CN202320675236.XU patent/CN219632771U/en active Active
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| GR01 | Patent grant |