CN215239489U - Clamping tool capable of improving positioning accuracy for square hole machining - Google Patents
Clamping tool capable of improving positioning accuracy for square hole machining Download PDFInfo
- Publication number
- CN215239489U CN215239489U CN202121658541.5U CN202121658541U CN215239489U CN 215239489 U CN215239489 U CN 215239489U CN 202121658541 U CN202121658541 U CN 202121658541U CN 215239489 U CN215239489 U CN 215239489U
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- Prior art keywords
- fixed
- clamping tool
- rod
- processing table
- square hole
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- 238000003754 machining Methods 0.000 title claims description 11
- 238000003860 storage Methods 0.000 claims abstract description 30
- 238000010276 construction Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a clamping tool for processing a square hole, which can improve the positioning accuracy, and is provided with a processing table, wherein the surface of the processing table is provided with a fixed groove, and a storage plate is arranged inside the fixed groove; the method comprises the following steps: the fixed rod is fixed at the edge of the object placing plate, a guide rod is movably arranged below the object placing plate, an air storage box is fixed on the lower end face of the processing table, and a valve plate is fixed at the top of the adjusting rod; one end of the connecting pipe is connected with the side surface of the gas storage box, a fixed box is fixed on a processing table at the other end of the connecting pipe, and one end of the movable rod is connected with a valve block; and the clamping block is fixed at the other end of the movable rod, and a ball is embedded into the bottom of the clamping block. This can improve centre gripping frock is used in square hole processing of location precision can guarantee the stability to the work piece centre gripping, and then the precision of position when promoting the trompil to behind the work piece centre gripping, can avoid fixture appearance lax phenomenon.
Description
Technical Field
The utility model relates to a square hole processing technology field specifically is a can improve centre gripping frock for square hole processing of location precision.
Background
Numerous work pieces all need carry out drilling operation in production course of working, carry out seting up in different shape holes to the work piece to at the trompil in-process, need use clamping device to fix the work piece, guarantee the accuracy of trompil position and the stability of work piece, nevertheless current centre gripping frock for square hole processing still has following shortcoming in the in-service use process:
traditional centre gripping frock is stable inadequately to the work piece centre gripping, after the external world to the work piece application of force, causes the skew of work piece position easily, and then influences the accurate nature of drilling to the work piece centre gripping back, because loose phenomenon appears easily in fixture's self inertia, to above-mentioned problem, the urgent need carries out the innovative design on the basis of original centre gripping frock for square hole processing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can improve centre gripping frock is used in square hole processing of location precision to solve above-mentioned background art and propose traditional centre gripping frock and to the stability inadequately of work piece centre gripping, after the external world is to the work piece application of force, cause the skew of work piece position easily, and then influence the precision of drilling, and to the work piece centre gripping after, because the problem of the phenomenon of lax appears easily in the inertia of fixture self.
In order to achieve the above object, the utility model provides a following technical scheme: a clamping tool for processing a square hole capable of improving positioning accuracy is provided with a processing table, wherein a fixed groove is formed in the surface of the processing table, and a storage plate is arranged inside the fixed groove;
the method comprises the following steps:
the fixed rod is fixed at the edge of the object placing plate, a guide rod is movably arranged below the object placing plate, an air storage box is fixed on the lower end face of the processing table, an adjusting rod penetrates through the bottom of the air storage box, and a valve plate is fixed at the top of the adjusting rod;
one end of the connecting pipe is connected with the side surface of the gas storage box, a fixed box is fixed on a processing table at the other end of the connecting pipe, a movable rod penetrates through the end head of the fixed box, one end of the movable rod is connected with a valve block, and a first spring is wound on the outer side of the movable rod;
and the clamping block is fixed at the other end of the movable rod, and a ball is embedded into the bottom of the clamping block.
Preferably, the initial height of putting thing board and guide bar all is higher than the up end of processing platform, and puts thing board and guide bar and all constitute sliding construction with the processing platform to the bottom of putting thing board and guide bar all extends to the inside of gas storage box, so that to the placing of work piece, and convenient follow-up jack-up to the work piece.
Preferably, the gas storage box is communicated with the fixed box through the connecting pipe, the gas storage box and the fixed box are symmetrically distributed about the vertical axis of the processing table, and gas in the gas storage box can enter the fixed box through the connecting pipe, so that the valve block is pushed to move.
Preferably, the clamping blocks are attached to the surface of the processing table through balls, the moving directions of the 2 clamping blocks are opposite, and resistance can be reduced through the balls when the clamping blocks move, so that clamping of a workpiece is achieved.
Preferably, the one end that the movable rod is close to the clamp splice runs through there is the gag lever post, and the outside winding of gag lever post has the second spring to gag lever post and movable rod are fore-and-aft sliding connection, can drive the gag lever post and slide on the movable rod when the clamp splice removes, and constantly do elevating movement.
Preferably, the processing bench of gag lever post bottom has reserved spacing hole, and spacing hole equidistant distribution on the processing bench to one side of spacing hole is the right angle limit setting, and the opposite side is the cambered surface setting, and after the gag lever post contacted with the spacing hole of different positions, can realize the injecing to removing back clamp splice position.
Compared with the prior art, the beneficial effects of the utility model are that: the clamping tool for processing the square hole, which can improve the positioning accuracy, can ensure the stability of clamping a workpiece, further improve the position accuracy during hole forming, and can avoid the phenomenon that a clamping mechanism is loosened after clamping the workpiece;
1. after the adjusting rod is pulled downwards, air in the air storage box can be driven to enter the fixed box through the connecting pipe through the movement of the valve plate, the movable rod and the clamping block are driven to move through the valve block to clamp the workpiece, the guide rod and the object placing plate can be driven to synchronously descend when the valve plate descends, and the bottom of the workpiece is flush with the surface of the processing table;
2. the clamp splice can promote smooth and easy nature through the setting of ball at the removal in-process to drive the gag lever post and be elevating movement, after the gag lever post contacts with the spacing hole of different positions, can realize the injecing to removing back clamp splice position, and remove the centre gripping back to the work piece, the valve plate of upward movement can promote through the guide rod and put the thing board motion, realizes the jack-up to the work piece.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the front section structure of the fixing box of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the front cross-section structure of the gas storage box of the present invention;
fig. 5 is a schematic diagram of the structure of the guide rod after movement.
In the figure: 1. a processing table; 2. fixing grooves; 3. a storage plate; 4. fixing the rod; 5. a guide rod; 6. a gas storage box; 7. adjusting a rod; 8. a valve plate; 9. a connecting pipe; 10. a fixing box; 11. a movable rod; 12. a valve block; 13. a first spring; 14. a clamping block; 15. a ball bearing; 16. a limiting rod; 17. a second spring; 18. and a limiting hole.
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 clamping tool for processing a square hole capable of improving positioning accuracy is provided with a processing table 1, wherein a fixing groove 2 is formed in the surface of the processing table 1, and an object placing plate 3 is arranged inside the fixing groove 2;
the method comprises the following steps:
the fixed rod 4 is fixed at the edge of the object placing plate 3, a guide rod 5 is movably arranged below the object placing plate 3, an air storage box 6 is fixed on the lower end face of the processing table 1, an adjusting rod 7 penetrates through the bottom of the air storage box 6, and a valve plate 8 is fixed at the top of the adjusting rod 7;
one end of the connecting pipe 9 is connected with the side surface of the gas storage box 6, a fixed box 10 is fixed on the processing table 1 at the other end of the connecting pipe 9, a movable rod 11 penetrates through the end of the fixed box 10, one end of the movable rod 11 is connected with a valve block 12, and a first spring 13 is wound on the outer side of the movable rod 11;
and a clamping block 14 fixed at the other end of the movable rod 11, and a ball 15 embedded at the bottom of the clamping block 14.
The initial heights of the object placing plate 3 and the guide rod 5 are higher than the upper end face of the processing table 1, the object placing plate 3 and the guide rod 5 and the processing table 1 form a sliding structure, and the bottoms of the object placing plate 3 and the guide rod 5 extend to the interior of the gas storage box 6; the gas storage boxes 6 are communicated with the fixed box 10 through a connecting pipe 9, and both are symmetrically distributed about the vertical axis of the processing table 1;
as shown in fig. 1-2 and fig. 4-5, the adjusting rod 7 is pulled downwards to drive the valve plate 8 to move downwards, so that air in the air storage box 6 is driven to enter the fixed box 10 through the connecting pipe 9, the movable rod 11 and the clamping block 14 are driven to move through the valve block 12, the valve plate 8 moves downwards and then the guide rod 5 is released from being pushed, so that the guide rod 5 and the object placing plate 3 can be driven to be accommodated in the fixed groove 2 through the self gravity of the guide rod 5 and the object placing plate 3, and the bottom of a workpiece is ensured to be flush with the processing table 1;
the clamping blocks 14 are attached to the surface of the processing table 1 through balls 15, and the moving directions of the 2 clamping blocks 14 are opposite; a limiting rod 16 penetrates through one end of the movable rod 11 close to the clamping block 14, a second spring 17 is wound on the outer side of the limiting rod 16, and the limiting rod 16 is longitudinally connected with the movable rod 11 in a sliding manner; a limiting hole 18 is reserved on the machining table 1 at the bottom of the limiting rod 16, the limiting holes 18 are distributed on the machining table 1 at equal intervals, one side of each limiting hole 18 is a right-angle side, and the other side of each limiting hole 18 is an arc surface;
as shown in fig. 1-4, the limiting rod 16 can be brought into contact with the limiting holes 18 at different positions during the movement of the clamping block 14, thereby driving the limiting rod 16 to do lifting movement, facilitating the limiting rod 16 to automatically move towards the direction far away from the fixing box 10 through the shape of the limiting hole 18 in the drawing, so as to prevent the limiting rod 16 from automatically moving towards the direction close to the fixing box 10, and after the clamping block 14 stops moving, the limiting rod 16 is driven to be clamped with the limiting holes 18 at different positions, thereby ensuring the stability of the clamping block 14, avoiding the phenomenon of workpiece deviation in the processing process, and finally pulling the limiting rod 16 upwards to be separated from the limiting hole 18 when the processing is finished, gas backward flow is inside gas storage box 6 like this, can drive the motion of guide rod 5 through upward movement's valve plate 8, and then promotes and puts 3 upward movements of thing board and jack-up the work piece to take to the work piece.
The working principle is as follows: as shown in fig. 1-5, firstly, a workpiece to be perforated is placed on the object placing plate 3 on the processing table 1, then the adjusting rod 7 is pulled to drive the gas in the gas storage box 6 to move, and the gas is transmitted into the fixing box 10 through the connecting pipe 9, so that the 2 clamping blocks 14 are driven to move relatively, and the balls 15 are driven to roll on the surface of the processing table 1, thereby reducing the moving resistance, and further realizing the clamping of the workpiece, so as to facilitate the subsequent perforating operation.
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.
Claims (6)
1. A clamping tool for processing a square hole capable of improving positioning accuracy is provided with a processing table, wherein a fixed groove is formed in the surface of the processing table, and a storage plate is arranged inside the fixed groove;
it is characterized by comprising:
the fixed rod is fixed at the edge of the object placing plate, a guide rod is movably arranged below the object placing plate, an air storage box is fixed on the lower end face of the processing table, an adjusting rod penetrates through the bottom of the air storage box, and a valve plate is fixed at the top of the adjusting rod;
one end of the connecting pipe is connected with the side surface of the gas storage box, a fixed box is fixed on a processing table at the other end of the connecting pipe, a movable rod penetrates through the end head of the fixed box, one end of the movable rod is connected with a valve block, and a first spring is wound on the outer side of the movable rod;
and the clamping block is fixed at the other end of the movable rod, and a ball is embedded into the bottom of the clamping block.
2. The clamping tool for machining the square hole capable of improving the positioning accuracy as claimed in claim 1, wherein the clamping tool comprises: the initial height of putting thing board and guide bar all is higher than the up end of processing platform, and puts thing board and guide bar and all constitute sliding construction with the processing platform to the bottom of putting thing board and guide bar all extends to the inside of gas storage box.
3. The clamping tool for machining the square hole capable of improving the positioning accuracy as claimed in claim 1, wherein the clamping tool comprises: the gas storage boxes are communicated with the fixed boxes through connecting pipes, and the gas storage boxes and the fixed boxes are symmetrically distributed about the vertical axis of the processing table.
4. The clamping tool for machining the square hole capable of improving the positioning accuracy as claimed in claim 1, wherein the clamping tool comprises: the clamp blocks are attached to the surface of the processing table through balls, and the moving directions of the 2 clamp blocks are opposite.
5. The clamping tool for machining the square hole capable of improving the positioning accuracy as claimed in claim 1, wherein the clamping tool comprises: the one end that the movable rod is close to the clamp splice runs through there is the gag lever post, and the outside winding of gag lever post has the second spring to gag lever post and movable rod are fore-and-aft sliding connection.
6. The clamping tool for machining the square hole capable of improving the positioning accuracy as claimed in claim 5, wherein the clamping tool comprises: a limiting hole is reserved on a machining table at the bottom of the limiting rod, the limiting holes are distributed on the machining table at equal intervals, one side of each limiting hole is a right-angle side, and the other side of each limiting hole is an arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121658541.5U CN215239489U (en) | 2021-07-21 | 2021-07-21 | Clamping tool capable of improving positioning accuracy for square hole machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121658541.5U CN215239489U (en) | 2021-07-21 | 2021-07-21 | Clamping tool capable of improving positioning accuracy for square hole machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215239489U true CN215239489U (en) | 2021-12-21 |
Family
ID=79493288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121658541.5U Expired - Fee Related CN215239489U (en) | 2021-07-21 | 2021-07-21 | Clamping tool capable of improving positioning accuracy for square hole machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215239489U (en) |
-
2021
- 2021-07-21 CN CN202121658541.5U patent/CN215239489U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |