CN204771634U - But anchor clamps of car cylinder cap machining positioning adjustment round pin position - Google Patents

But anchor clamps of car cylinder cap machining positioning adjustment round pin position Download PDF

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Publication number
CN204771634U
CN204771634U CN201520423029.0U CN201520423029U CN204771634U CN 204771634 U CN204771634 U CN 204771634U CN 201520423029 U CN201520423029 U CN 201520423029U CN 204771634 U CN204771634 U CN 204771634U
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China
Prior art keywords
adjustment
hole
screw
pin
key seat
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Active
Application number
CN201520423029.0U
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Chinese (zh)
Inventor
钟涛
戴刚
张陈兴
潘大庆
安少春
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Chongqing Changan Automobile Co Ltd
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Chongqing Changan Automobile Co Ltd
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Priority to CN201520423029.0U priority Critical patent/CN204771634U/en
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Abstract

The utility model relates to a but anchor clamps of car cylinder cap machining positioning adjustment round pin position, including the base, press the claw component, the side pushes away the jar, is equipped with rhombus locating pin position adjustment mechanism and circular locating pin position adjustment mechanism at the middle part of base, characterized by: rhombus locating pin position adjustment mechanism including the location key seat, connect and to connect L type stopper on location key seat ahead and the right, to establish in rhombus locating pin, the location at location key seat middle part X direction adjusting block and Y direction adjusting block between rhombus locating pin lower part and the L type stopper, rhombus locating pin position adjustment mechanism through two adjusting screw with screw cooperation on the vertical plane on rhombus locating pin lower part front side and right side is connected. The utility model discloses can sell the position by the whole fixture of fast enough speed adjusting, positioning accuracy is high, and the adjustment is convenient, and is less to the productivity influence of production line.

Description

A kind of fixture of automobile cylinder cover machining adjustable alignment pin position
Technical field
The utility model relates to machining frock, is specifically related to a kind of fixture of automobile engine cylinder head machining adjustable alignment pin position.
Background technology
In order to ensure the crudy of product, necessary frock clamp is used to be a kind of important measures improving product orientation precision.Existing frock clamp has set up thruster cylinder, becomes standard configuration for eliminating pin-and-hole positioning gap.Because thruster cylinder makes alignment pin be in stress for a long time, inevitably cause chuck body causes positioning precision to decline with the pin-and-hole generation damage of detent fit.The scheme addressed this problem is, regularly again in chuck body, processes the pin-and-hole with detent fit.Because difficulty of processing is large, required precision is high, cause production line to stop line for a long time, affect the production capacity of production line.Therefore, be badly in need of a kind of easy to adjust, change alignment pin fixture scheme efficiently.CN203853835U discloses " a kind of fixture for processing engine cylinder cap dowel hole ", comprise base, base is provided with detent mechanism and clamp system, detent mechanism comprises the locating detent that can be installed on cylinder head air intake duct valve seat mouth and the tension mechanism that can be installed on cylinder-head port mouth, and clamp system comprises can be fitted in top surface of cylinder cover thus paw cylinder head be pressed on base.The air intake duct valve seat mouth that this fixture utilizes cylinder head blank precision the highest and exhaust road junction position locating and machining pin-and-hole, positioning precision is higher, avoid the dowel hole processing that causes because of blank problem of non-uniform partially, the allowance distribution of operation processing after ensureing, avoids the inner chamber caused because cylinder head internal chamber wall is thin to break the hidden danger of leaking or leaking gas.This clamp structure is simple, convenient to operation, and clamping mode is effective, thus effectively ensures the machining accuracy in cylinder head dowel pin hole.This is a kind of good try beyond doubt.
Summary of the invention
The purpose of this utility model is to provide a kind of fixture of automobile cylinder cover machining adjustable alignment pin position, and it can Rapid adjustment fixture alignment pin position, and positioning precision is high, easy to adjust, less on the production capacity impact of production line.
The fixture of a kind of automobile cylinder cover machining adjustable alignment pin position described in the utility model, comprise pedestal, two paw components are respectively equipped with at the left part of pedestal and right part, thruster cylinder is also provided with at the right part of pedestal, this thruster cylinder, between two paw components of right part, is provided with diamond positioning pin position adjusting mechanism and circular alignment pin position guiding mechanism at the middle part of pedestal; It is characterized in that:
Described diamond positioning pin position adjusting mechanism comprises location key seat, is connected to the diamond positioning pin in the middle part of location key seat, the L-type limited block be located by connecting on location key seat front and the right, be located at X-direction adjustment block between described diamond positioning pin bottom and L-type limited block and Y-direction adjustment block, and crosspiece and the vertical section side of described L-type limited block are provided with adjustment screw hole; Described X-direction adjustment block is provided with through hole, and this through hole is corresponding with the adjustment screw hole on the crosspiece of described L-type limited block; Described Y-direction adjustment block is also provided with through hole, and this through hole is corresponding with the adjustment screw hole in the vertical section of described L-type limited block;
The bottom of described diamond positioning pin is cone, is respectively equipped with perpendicular, left side and rear side is provided with platform in the front side of this cone and right side; The perpendicular on the perpendicular of described front side and right side is respectively equipped with screw, and the screw on the perpendicular of described front side is corresponding with the through hole in X-direction adjustment block, and the screw on the perpendicular on described right side is corresponding with the through hole in Y-direction adjustment block;
Described diamond positioning pin position adjusting mechanism also comprises two adjustment screw, wherein adjustment screw is connected with the screw on the perpendicular of described diamond positioning pin lower front side through the adjustment screw hole on the crosspiece of described L-type limited block, through hole in X-direction adjustment block, and the screw that another adjustment screw is passed on adjustment screw hole in the vertical section of described L-type limited block, the through hole in Y-direction adjustment block and the perpendicular on the right side of described diamond positioning pin bottom is connected.
The fixture of described automobile cylinder cover machining adjustable alignment pin position, circular alignment pin position guiding mechanism described in it, comprise location key seat, be connected to circular alignment pin in the middle part of location key seat, all the other structures are identical with the structure of described diamond positioning pin position adjusting mechanism.
Further, on the platform in the left side of described diamond positioning pin or described circular alignment pin lower cone body and on the platform of rear side, be respectively equipped with via hole, described diamond positioning pin or described circular alignment pin are connected on described location key seat through described via hole respectively by the first housing screw.
Further, described L-type limited block is positioned on described location key seat by two alignment pins, and is connected and fixed by three the second housing screws and described location key seat.
The beneficial effects of the utility model: when the relative position of diamond positioning pin and circular alignment pin changes, adjustment screw can be unclamped, by the thickness of finishing X-direction adjustment block, Y-direction adjustment block, realize rapid adjustment diamond positioning pin and circular alignment pin position.There is the advantages such as good looking appearance, structure is simple, dependable performance, alignment pin position are easy to adjust and practical.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is diamond positioning pin position adjusting mechanism structural representation.
Fig. 3 is diamond positioning pin structural representation.
Fig. 4 is circular locating pin structure schematic diagram.
Fig. 5 is X-direction adjustment block structural representation.
Fig. 6 is Y-direction adjustment block structural representation.
In figure: 1-pedestal, 2-paw component, 3-thruster cylinder, 4-location key seat, 5-diamond positioning pin, the circular alignment pin of 6-, 7-L type limited block, 8-adjusts screw, 9-X direction adjustment block, 10-Y direction adjustment block, 11-alignment pin, 12-first housing screw, 13-second housing screw, 14-screw, 15-via hole, 16-through hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model will be further described.
See the fixture of a kind of automobile cylinder cover machining adjustable alignment pin position shown in Fig. 1 to Fig. 6, comprise pedestal 1, two paw components 2 are respectively equipped with at the left part of pedestal and right part, thruster cylinder 3 is also provided with at the right part of pedestal, this thruster cylinder, between two paw components of right part, is provided with diamond positioning pin position adjusting mechanism and circular alignment pin position guiding mechanism at the middle part of pedestal; Its substantive distinguishing features is:
Described diamond positioning pin position adjusting mechanism comprises location key seat 4, is connected to the diamond positioning pin 5 in the middle part of location key seat, the L-type limited block 7 be located by connecting on location key seat front and the right, be located at X-direction adjustment block 9 between described diamond positioning pin bottom and L-type limited block and Y-direction adjustment block 10, and crosspiece and the vertical section side of described L-type limited block are provided with adjustment screw hole; Described X-direction adjustment block is provided with through hole 16, and this through hole is corresponding with the adjustment screw hole on the crosspiece of described L-type limited block; Described Y-direction adjustment block is also provided with through hole 16, and this through hole is corresponding with the adjustment screw hole in the vertical section of described L-type limited block;
The bottom of described diamond positioning pin 5 is cone, is respectively equipped with perpendicular, left side and rear side is provided with platform in the front side of this cone and right side; The perpendicular on the perpendicular of described front side and right side is respectively equipped with screw 14, screw 14 on the perpendicular of described front side is corresponding with the through hole 16 in X-direction adjustment block 9, and the screw 14 on the perpendicular on described right side is corresponding with the through hole 16 in Y-direction adjustment block 10;
Described diamond positioning pin position adjusting mechanism also comprises two adjustment screw 8, wherein adjustment screw is connected with the screw 14 on the perpendicular of described diamond positioning pin 5 lower front side through the adjustment screw hole on the crosspiece of described L-type limited block, through hole 16 in X-direction adjustment block, and another adjustment screw is connected through the screw 14 on the perpendicular on the right side of the adjustment screw hole in the vertical section of described L-type limited block, through hole 16 in Y-direction adjustment block and described diamond positioning pin 5 bottom.
Described circular alignment pin position guiding mechanism, comprise location key seat 4, be connected to circular alignment pin 6 in the middle part of location key seat, all the other structures are identical with the structure of described diamond positioning pin position adjusting mechanism.
Described circular alignment pin position guiding mechanism, comprise location key seat 4, be connected to the circular alignment pin 6 in the middle part of location key seat, the L-type limited block 7 be located by connecting on location key seat front and the right, be located at X-direction adjustment block 9 between described circular alignment pin bottom and L-type limited block and Y-direction adjustment block 10, crosspiece and the vertical section side of described L-type limited block are provided with adjustment screw hole; Described X-direction adjustment block is provided with through hole 16, and this through hole is corresponding with the adjustment screw hole on the crosspiece of described L-type limited block; Described Y-direction adjustment block is also provided with through hole 16, and this through hole is corresponding with the adjustment screw hole in the vertical section of described L-type limited block;
The bottom of described circular alignment pin 6 is cone, is respectively equipped with perpendicular, left side and rear side is provided with platform in the front side of this cone and right side; The perpendicular on the perpendicular of described front side and right side is respectively equipped with screw 14, screw 14 on the perpendicular of described front side is corresponding with the through hole 16 in X-direction adjustment block 9, and the screw 14 on the perpendicular on described right side is corresponding with the through hole 16 in Y-direction adjustment block 10;
Described circular alignment pin position guiding mechanism also comprises two adjustment screw 8, wherein an adjustment screw is connected through the screw 14 on the adjustment screw hole on the crosspiece of described L-type limited block, the through hole 16 in X-direction adjustment block and the perpendicular on front side of described circular alignment pin 6, and another adjustment screw is connected through the screw 14 on the adjustment screw hole in the vertical section of described L-type limited block, the through hole 16 in Y-direction adjustment block and the perpendicular on the right side of described circular alignment pin 6.
Further, on the platform in the left side of described diamond positioning pin 5 or described circular alignment pin 6 lower cone body and on the platform of rear side, be respectively equipped with via hole 15, described diamond positioning pin 5 or described circular alignment pin 6 are connected on described location key seat 4 through described via hole 15 respectively by the first housing screw 12.
Further, described L-type limited block 7 is positioned on described location key seat 4 by two alignment pins 11, and is connected and fixed with described location key seat 4 by three the second housing screws 14.
After the relative position determining diamond positioning pin 5 and circular alignment pin 6 changes, adjusted by following steps:
The first step: measure diamond positioning pin 5 relative to the side-play amount of circular alignment pin 6 in X, Y-direction by dial gauge;
Second step: unscrew the first housing screw 12 on diamond positioning pin and adjustment screw 8, take off Y-direction adjustment block 10, X-direction adjustment block 9, and repair the thickness of X-direction adjustment block 9, Y-direction adjustment block 10 according to the side-play amount correspondence that the first step is measured;
3rd step: the X-direction adjustment block 9 after finishing, Y-direction adjustment block 10 are put back to original position, and tightened by adjustment screw 8, first housing screw 12, the position of diamond positioning pin has adjusted.
The method of adjustment of circular alignment pin is the same.
The utility model, by repairing the thickness of X-direction adjustment block and Y-direction adjustment block adjustment block, makes it reach the requirement of rapid adjustment diamond positioning pin or circular alignment pin position.

Claims (4)

1. the fixture of an automobile cylinder cover machining adjustable alignment pin position, comprise pedestal (1), two paw components (2) are respectively equipped with at the left part of pedestal and right part, thruster cylinder (3) is also provided with at the right part of pedestal, this thruster cylinder, between two paw components of right part, is provided with diamond positioning pin position adjusting mechanism and circular alignment pin position guiding mechanism at the middle part of pedestal; It is characterized in that:
Described diamond positioning pin position adjusting mechanism comprises location key seat (4), is connected to the diamond positioning pin (5) in the middle part of location key seat, the L-type limited block (7) be located by connecting on location key seat front and the right, be located at X-direction adjustment block (9) between described diamond positioning pin bottom and L-type limited block and Y-direction adjustment block (10), and crosspiece and the vertical section side of described L-type limited block are provided with adjustment screw hole; Described X-direction adjustment block is provided with through hole (16), and this through hole is corresponding with the adjustment screw hole on the crosspiece of described L-type limited block; Described Y-direction adjustment block is also provided with through hole (16), this through hole is corresponding with the adjustment screw hole in the vertical section of described L-type limited block;
The bottom of described diamond positioning pin (5) is cone, is respectively equipped with perpendicular, left side and rear side is provided with platform in the front side of this cone and right side; The perpendicular on the perpendicular of described front side and right side is respectively equipped with screw (14), screw (14) on the perpendicular of described front side is corresponding with the through hole (16) in X-direction adjustment block (9), and the screw (14) on the perpendicular on described right side is corresponding with the through hole (16) in Y-direction adjustment block (10);
Described diamond positioning pin position adjusting mechanism also comprises two adjustment screw (8), wherein adjustment screw is connected with the screw (14) on the perpendicular of described diamond positioning pin (5) lower front side through the adjustment screw hole on the crosspiece of described L-type limited block, through hole (16) in X-direction adjustment block, and another adjustment screw is connected through the screw (14) on the perpendicular on the right side of the adjustment screw hole in the vertical section of described L-type limited block, through hole (16) in Y-direction adjustment block and described diamond positioning pin (5) bottom.
2. the fixture of automobile cylinder cover machining adjustable alignment pin position according to claim 1, it is characterized in that: described circular alignment pin position guiding mechanism, comprise location key seat (4), be connected to circular alignment pin (6) in the middle part of location key seat, all the other structures are identical with the structure of described diamond positioning pin position adjusting mechanism.
3. the fixture of automobile cylinder cover machining adjustable alignment pin position according to claim 2, it is characterized in that: on the platform in the left side of described diamond positioning pin (5) or described circular alignment pin (6) lower cone body and on the platform of rear side, be respectively equipped with via hole (15), described diamond positioning pin (5) or described circular alignment pin (6) are connected on described location key seat (4) through described via hole (15) respectively by the first housing screw (12).
4. the fixture of automobile cylinder cover machining adjustable alignment pin position according to claim 1 and 2, it is characterized in that: described L-type limited block (7) is positioned on described location key seat (4) by two alignment pins (11), and be connected and fixed by three the second housing screws (14) and described location key seat (4).
CN201520423029.0U 2015-06-18 2015-06-18 But anchor clamps of car cylinder cap machining positioning adjustment round pin position Active CN204771634U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520423029.0U CN204771634U (en) 2015-06-18 2015-06-18 But anchor clamps of car cylinder cap machining positioning adjustment round pin position

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520423029.0U CN204771634U (en) 2015-06-18 2015-06-18 But anchor clamps of car cylinder cap machining positioning adjustment round pin position

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105269376A (en) * 2015-12-04 2016-01-27 宁波勋辉电器有限公司 Self-adjusting clamp tool
CN110449948A (en) * 2019-07-09 2019-11-15 绵阳市赛沃精密机械制造有限公司 A kind of four axis hydraulic tools of automatic positioning locking

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105269376A (en) * 2015-12-04 2016-01-27 宁波勋辉电器有限公司 Self-adjusting clamp tool
CN110449948A (en) * 2019-07-09 2019-11-15 绵阳市赛沃精密机械制造有限公司 A kind of four axis hydraulic tools of automatic positioning locking

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