CN201091988Y - Pin inserting-drawing mechanism - Google Patents

Pin inserting-drawing mechanism Download PDF

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Publication number
CN201091988Y
CN201091988Y CNU2007201224452U CN200720122445U CN201091988Y CN 201091988 Y CN201091988 Y CN 201091988Y CN U2007201224452 U CNU2007201224452 U CN U2007201224452U CN 200720122445 U CN200720122445 U CN 200720122445U CN 201091988 Y CN201091988 Y CN 201091988Y
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CN
China
Prior art keywords
gear
gear shaft
insert
alignment pin
plug screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNU2007201224452U
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Chinese (zh)
Inventor
宋得雨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
Original Assignee
BYD Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CNU2007201224452U priority Critical patent/CN201091988Y/en
Application granted granted Critical
Publication of CN201091988Y publication Critical patent/CN201091988Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a draw-out pin mechanism, comprising a pin boss, a handle, a positioning pin with a rack and a gear shaft with a gear; the pin boss is provided with a horizontal hole and a vertical hole; the gear shaft is arranged in the horizontal hole; the handle is arranged on the part of the gear shaft which extends out of the horizontal hole; the positioning pin is arranged in the vertical hole; the gear of the gear shaft is engaged with the rack of the positioning pin. When a workpiece is processed, the gear of the gear shaft drives the positioning pin with the rack to be vertically lifted and inserted into the positioning hole of the workpiece; after the workpiece is processed, the gear drives the positioning pin to vertically descend, thus leading the positioning pin to be successfully disconnected from the workpiece and avoid the crack of the positioning hole of the workpiece caused by an unflattened workpiece.

Description

A kind of insert-pull pin mechanism
Technical field
The utility model relates to mechanical frock clamp field, especially about a kind of insert-pull pin mechanism of frock clamp.
Background technology
Insert-pull pin mechanism is a kind of operating mechanism commonly used in all kinds of mechanical frock clamps, and there is very important effect the installation location that adds man-hour for workpiece.
For the insert-pull pin mechanism that uses in the existing actual production, when with workpiece when the alignment pin of insert-pull pin mechanism takes off, because the locating hole of workpiece is generally less, when operating personnel do not hold workpiece level with both hands or because the restriction of operating space, all will directly cause the workpiece locating hole break or surface of the work is scratched, had a strong impact on the production demand.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the deficiencies in the prior art, provides a kind of and can prevent the impaired insert-pull pin of workpiece mechanism when workpiece takes off operation.
The technical solution adopted for the present invention to solve the technical problems is: a kind of insert-pull pin mechanism comprises key seat, handle, have the alignment pin of tooth bar and have the gear shaft of gear, described key seat has lateral aperture and vertical hole, described gear shaft is arranged in this lateral aperture, described handle is arranged on the part that described gear shaft stretches out lateral aperture, described alignment pin is arranged in the described vertical hole, the gear of described gear shaft and the engagement of the tooth bar of described alignment pin.
Also be fixed with lining in the described vertical hole, described lining pine is enclosed within on the described alignment pin, and the position of described lining corresponding gear is provided with opening, and described gear passes described opening.
Also be provided with first elastomer and first plug screw in the described vertical hole, the described alignment pin of the described first elastomeric apical support, the described first elastomeric bottom is supported on described first plug screw, and described first plug screw is positioned in the described vertical hole.
Described key seat has two spacing inclined holes that form an angle, and anti-resilience mechanism all is installed in described two spacing inclined holes.
Described anti-resilience mechanism comprises second plug screw, second elastomer and spacing ball, the described second elastomeric two ends compress described second plug screw and described spacing ball respectively, described second plug screw is positioned in the described spacing inclined hole, and described spacing ball props up described gear shaft.
Described gear shaft has a stopper slot that mates with described spacing ball.
Described two spacing inclined holes are about the vertical plane symmetry.
Described key seat has two inclined-planes, and described two spacing inclined holes are located at respectively on two inclined-planes.
The invention has the beneficial effects as follows, workpiece adds man-hour, the gear band of gear shaft the alignment pin vertical lifting with tooth bar and is inserted the locating hole of workpiece, after the workpiece completion of processing, can vertically fall by the gear driven alignment pin, make alignment pin break away from workpiece smoothly, avoid not holding level with both hands and cause breaking of workpiece locating hole because of workpiece; Whole operation only needs turning handle, can feel obviously that the lifting of alignment pin puts in place, has reduced labour intensity, has improved operating efficiency.
Description of drawings
Fig. 1 is the front view of present embodiment insert-pull pin mechanism;
Fig. 2 is the main cutaway view of present embodiment insert-pull pin mechanism;
Fig. 3 is the vertical view of present embodiment insert-pull pin mechanism;
Fig. 4 is the gear shaft of reflection present embodiment and the cutaway view of anti-resilience mechanism structure position relation.
The specific embodiment
Shown in Fig. 1 to 4, present embodiment insert-pull pin mechanism comprises the anti-resilience of key seat 1, handle 2, alignment pin 4, gear shaft 7 and two mechanism 14.
This key seat 1 has the lateral aperture 11 of axis horizontal, this lateral aperture 11 is a blind hole, gear shaft 7 horizontally mounted these lateral apertures 11, and the part that this gear shaft 7 is positioned at this lateral aperture 11 has gear 71, the axis horizontal of this gear 71, the part that this gear shaft 7 stretches out this lateral aperture 11 is equipped with handle 2.This key seat 1 also has the vertical vertical hole 12 of axis, and this vertical hole 12 is a through hole, and alignment pin 4 is installed in the top in this vertical hole 12.Alignment pin 4 has tooth bar 41, and this tooth bar 41 is the formative gear rack structure with gear 71 engagements of gear shaft 7.Alignment pin 4 outsides are with lining 3, this lining 3 and this vertical hole 12 tight fits, and the position of these lining 3 corresponding teeth wheel shafts 7 gears 71 has opening 31, and gear 71 passes this opening 31 and meshes with the tooth bar 41 of alignment pin 4.First elastomer 5 and first plug screw 6 also are installed in this vertical hole 12, this first elastomer 5 is as spring, the apical support alignment pin 4 of this first elastomer 5, the bottom of this first elastomer 5 are supported on first plug screw 6, and this first plug screw 6 is fixed in the bottom in this vertical hole 12.The top of this key seat 1 has two symmetrical inclined-planes 15, and it is α about the angle of the axis of vertical plane symmetry and two spacing inclined holes 13 that each inclined-plane 15 all has 13, two spacing inclined holes 13 of spacing inclined hole.Anti-resilience mechanism 14 all is installed in each spacing inclined hole 13, each anti-resilience mechanism 14 includes second plug screw 8, second elastomer 9 and spacing ball 10, spacing ball 10, second elastomer 9 and second plug screw 8 are packed in the spacing inclined hole 13 in turn, second plug screw 8 is positioned in the spacing inclined hole 13, second elastomer 9 is as spring, the two ends of second spring 9 prop up second plug screw 8 and spacing ball 10 respectively, and the position of the radially corresponding spacing ball 10 of this gear shaft 7 has the stopper slot 72 of a taper.In addition, for the ease of this key seat 1 is installed on the frock base plate 17, the bottom of this key seat 1 is provided with outstanding cylinder 16, and when key seat 1 was installed, this outstanding cylinder 16 inserted the circular hole 171 of frock base plate 17, and by screw key seat 1 was fixed on the frock base plate 17.
In the present embodiment, the climb of alignment pin 4 is L=10mm, the tooth pitch t=3.14mm of tooth bar 41, the tooth pitch coupling of the tooth pitch of gear 71 and tooth bar 41, the tooth number Z 1=L ÷ t=10 ÷ 3.14 that rack-and-pinion turns over jointly, the reference diameter Dt=17mm of gear 71, the modulus m=1 of gear, thereby the total number of teeth that calculates gear is Z=Dt ÷ m=17 ÷ 1=17, calculate gear shaft and turn over angle (being the gear rotation over-angle) α=Z1 * 360 ÷ Z=(10 ÷ 3.14) * 360 ÷ 17=72 °, be i.e. 13 one-tenth 72 ° of angles of two spacing inclined holes.The profile of tooth pressure angle of gear 71 and tooth bar 41 is all 20 °, the material of rack-and-pinion alignment pin 4 is the T10A steel, quenching hardness is HRC55-60, the accuracy class of gear shaft 7 is 8-Dc, material is No. 45 steel, quenching hardness is HRC43-48, and gear shaft 7 is clean with the cooperation place light requirement of key seat lateral aperture 11, to guarantee that the location accurately.The material of lining 3 is the T8A steel, and quenching hardness is HRC55-60.
The course of work of present embodiment is as follows: when handle 2 is rotated counterclockwise, the handle band gear shaft 7 and is rotated, the rotation of the gear 71 of gear shaft 7 drives the alignment pin 4 with tooth bar 41 and vertically rises, when handle 2 turns to the left side in vertical direction with position, 36 ° of angles (alignment pin is in and stretches out the position), spacing balls 10 in the spacing inclined hole 13 in left side snap under the resilient force of second elastomer 9 in the taper stopper slot 72 on the gear shaft 7, at this moment, alignment pin 4 stretches out certain distance straight up and inserts in the locating hole of workpiece 18 smoothly and can not withdraw from automatically.When handle 2 turns clockwise, the rotation of gear shaft 7 drives the alignment pin 4 with tooth bar 41 and moves downward, when turning right 72 ° of angles, promptly to the right side during in vertical direction with position, 36 ° of angles (workpiece is in and returns the position), spacing ball 10 in the spacing inclined hole on right side snaps in the taper stopper slot 72 of gear shaft 7 under the resilient force of second elastomer 9, alignment pin 4 is vertically fallen a segment distance and is withdrawed from the locating hole 181 of workpiece 18, and can resilience, promptly can take off the workpiece 18 that processes safely this moment.
In the present embodiment, the installation of anti-resilience mechanism 14 and the discharge of smear metal are convenient in two inclined-planes 15 on key seat 1 top; The outstanding cylinder 16 of key seat 1 bottom is convenient to key seat 1 is installed on the frock base plate 17, to guarantee the accurate installation location of alignment pin 4.Mounting bush 3, alignment pin 4, first elastomer 5 and first plug screw 6 are convenient in the vertical hole 12 of key seat 1; Lining 3 pines are enclosed within on the alignment pin 1, only need more resleeve 3 after may wear to a certain degree, thus the maintenance and the maintenance of the whole insert-pull pin of convenience mechanism; Because the alignment pin vertical lifting does not break so the locating hole of workpiece 18 can not fallen because of alignment pin 4, workpiece 18 surfaces are also protected and unlikely scuffing; Only need left-right rotation handle 2 in the whole operation, and can feel obviously that the lifting of alignment pin 4 puts in place, reduced working strength of workers, improved operating efficiency, can satisfy the demand of production fully; Stretch out the position and return the position by anti-resilience mechanism being set, alignment pin being positioned at, make alignment pin can not move the scuffing that causes surface of the work, thereby guarantee the quality of production of product because of first elastomer or workpiece produce the position.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims (8)

1. insert-pull pin mechanism, it is characterized in that: comprise key seat, handle, have the alignment pin of tooth bar and have the gear shaft of gear, described key seat has lateral aperture and vertical hole, described gear shaft is arranged in this lateral aperture, described handle is arranged on the part that described gear shaft stretches out lateral aperture, described alignment pin is arranged in the described vertical hole, the gear of described gear shaft and the engagement of the tooth bar of described alignment pin.
2. a kind of insert-pull pin according to claim 1 mechanism, it is characterized in that: also be fixed with lining in the described vertical hole, described lining pine is enclosed within on the described alignment pin, and the position of described lining corresponding gear is provided with opening, and described gear passes described opening.
3. a kind of insert-pull pin according to claim 1 mechanism, it is characterized in that: also be provided with first elastomer and first plug screw in the described vertical hole, the described alignment pin of the described first elastomeric apical support, the described first elastomeric bottom is supported on described first plug screw, and described first plug screw is positioned in the described vertical hole.
4. according to any described a kind of insert-pull pin mechanism among the claim 1-3, it is characterized in that: described key seat has two spacing inclined holes that form an angle, and anti-resilience mechanism all is installed in described two spacing inclined holes.
5. a kind of insert-pull pin according to claim 4 mechanism, it is characterized in that: described anti-resilience mechanism comprises second plug screw, second elastomer and spacing ball, the described second elastomeric two ends compress described second plug screw and described spacing ball respectively, described second plug screw is positioned in the described spacing inclined hole, and described spacing ball props up described gear shaft.
6. a kind of insert-pull pin according to claim 5 mechanism is characterized in that: described gear shaft has a stopper slot with described spacing ball coupling.
7. a kind of insert-pull pin according to claim 4 mechanism, it is characterized in that: described two spacing inclined holes are about the vertical plane symmetry.
8. a kind of insert-pull pin according to claim 4 mechanism, it is characterized in that: described key seat has two inclined-planes, and described two spacing inclined holes are located at respectively on two inclined-planes.
CNU2007201224452U 2007-08-24 2007-08-24 Pin inserting-drawing mechanism Expired - Lifetime CN201091988Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201224452U CN201091988Y (en) 2007-08-24 2007-08-24 Pin inserting-drawing mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201224452U CN201091988Y (en) 2007-08-24 2007-08-24 Pin inserting-drawing mechanism

Publications (1)

Publication Number Publication Date
CN201091988Y true CN201091988Y (en) 2008-07-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007201224452U Expired - Lifetime CN201091988Y (en) 2007-08-24 2007-08-24 Pin inserting-drawing mechanism

Country Status (1)

Country Link
CN (1) CN201091988Y (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101920458A (en) * 2010-09-07 2010-12-22 苏州工业园区艺达精密机械有限公司 Workbench with hidden position limiting device
CN102357820A (en) * 2011-10-18 2012-02-22 重庆红旗缸盖制造有限公司 Fixture for milling end face of cylinder block
CN108581555A (en) * 2018-07-27 2018-09-28 广西玉柴机器股份有限公司 A kind of positioning inserted pin mechanism that actuator is external
CN110842817A (en) * 2019-11-23 2020-02-28 广西玉柴机器股份有限公司 Rack and gear bolt device and using method thereof
CN111687769A (en) * 2020-07-06 2020-09-22 广西玉柴机器股份有限公司 Step-by-step positioner of camshaft gear and signal disc phase position locating pin

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101920458A (en) * 2010-09-07 2010-12-22 苏州工业园区艺达精密机械有限公司 Workbench with hidden position limiting device
CN102357820A (en) * 2011-10-18 2012-02-22 重庆红旗缸盖制造有限公司 Fixture for milling end face of cylinder block
CN102357820B (en) * 2011-10-18 2014-01-15 重庆红旗缸盖制造有限公司 Fixture for milling end face of cylinder block
CN108581555A (en) * 2018-07-27 2018-09-28 广西玉柴机器股份有限公司 A kind of positioning inserted pin mechanism that actuator is external
CN110842817A (en) * 2019-11-23 2020-02-28 广西玉柴机器股份有限公司 Rack and gear bolt device and using method thereof
CN111687769A (en) * 2020-07-06 2020-09-22 广西玉柴机器股份有限公司 Step-by-step positioner of camshaft gear and signal disc phase position locating pin

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Shenzhen BYD Auto Co., Ltd.

Assignor: Biyadi Co., Ltd.

Contract record no.: 2011440020323

Denomination of utility model: Plug-pull-pin mechanism, plug pin telescopic boom and crane

Granted publication date: 20080730

License type: Exclusive License

Record date: 20110901

EM01 Change of recordation of patent licensing contract

Change date: 20150427

Contract record no.: 2011440020323

Assignee after: BYD AUTOMOBILE INDUSTRY CO., LTD.

Assignee before: Shenzhen BYD Auto Co., Ltd.

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CX01 Expiry of patent term

Granted publication date: 20080730

CX01 Expiry of patent term