CN202539856U - Guide locating pin mechanism - Google Patents

Guide locating pin mechanism Download PDF

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Publication number
CN202539856U
CN202539856U CN2012200328629U CN201220032862U CN202539856U CN 202539856 U CN202539856 U CN 202539856U CN 2012200328629 U CN2012200328629 U CN 2012200328629U CN 201220032862 U CN201220032862 U CN 201220032862U CN 202539856 U CN202539856 U CN 202539856U
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CN
China
Prior art keywords
guide
axis
cylinder
pin mechanism
axial hole
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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 - Fee Related
Application number
CN2012200328629U
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Chinese (zh)
Inventor
李思明
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.)
Ningbo Minth Automotive Parts Research and Development Co Ltd
Original Assignee
Ningbo Minth Automotive Parts Research and Development Co Ltd
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Filing date
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Application filed by Ningbo Minth Automotive Parts Research and Development Co Ltd filed Critical Ningbo Minth Automotive Parts Research and Development Co Ltd
Priority to CN2012200328629U priority Critical patent/CN202539856U/en
Application granted granted Critical
Publication of CN202539856U publication Critical patent/CN202539856U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a guide locating pin mechanism, comprising a cylinder fixing block fixed at the front end of a cylinder and a locating pin, wherein an axial hole is formed in the cylinder fixing block, a guide shaft is mounted in the axial hole, wherein the front end of the guide shaft is connected with the locating pin. The guide locating pin mechanism is characterized in that a floating joint located between the back end of the guide shaft and the front end of a piston rod of the cylinder is also arranged in the axial hole, the front end of the floating joint is in insertion connection with the back end of the guide shaft through a connecting plug and an inserting groove which is matched with the connecting plug and arranged in a radial manner, and the back end of the floating joint is connected to the front end of the piston rod through a bolt. According to the guide locating pin mechanism, the piston rod of the cylinder is connected with the guide shaft through the floating joint, so that the occupied space is small, and the guide locating pin mechanism also can be used in a relatively narrow site, and is simple in structure, low in processing precision and cost, and convenient to assemble. Moreover, an anti-rotating piece can prevent the locating pin from rotating, and also can effectively scrape off impurities deposited on the surface of the guide shaft during a movement procedure.

Description

A kind of guide-localization pin mechanism
Technical field
The utility model relates to a kind of guide-localization pin mechanism.
Background technology
The pneumatic weld jig of a large amount of employings in the weld jig structure, is often used loose pin and is located workpiece on the automotive welding production line.General alignment pin drives with cylinder, adopts three kinds of modes to connect between alignment pin and the cylinder usually, and 1, lead with line slideway; Promote alignment pin with cylinder, 2, promote with slim cylinder, joint directly is threaded with guide pillar; 3, promote with flat cylinder, joint directly is threaded with guide pillar, and such dowel mechanism has a lot of deficiencies; The space is big, part is more, cost is high, be unfavorable for use in enormous quantities such as taking up an area of; Do not arrange that installation time is long, defectives such as machining accuracy height in the space-constrained place.
The utility model content
The utility model technical problem to be solved provides a kind ofly can still can be used at narrow space, and the guide-localization pin mechanism that cost is low, requirement on machining accuracy is low.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of guide-localization pin mechanism; Comprise the cylinder fixed block and the alignment pin that are fixed in the cylinder front end; Wherein has axial hole in the cylinder fixed block; The axis of guide that front end is connected with alignment pin is installed in this axial hole; It is characterized in that: the floating junction between the piston rod front end of axis of guide rear end and cylinder also is installed in the described axial hole, between the rear end of this floating junction front end and the axis of guide through connection-peg and the inserting groove that is complementary with this connection-peg and radially is provided with mutually inserting be connected, the rear end of said floating junction is connected in the front end of said piston rod through a screw.
In order to prevent that alignment pin from rotating and can strike off the impurity that produces in the motion simultaneously in along with the movement cylinder process; The front end of said cylinder fixed block also is fixed with an anti-rotor; Has the through hole that is complementary with the external diameter of this axis of guide on the said anti-rotor; The front end of the said axis of guide stretches out in outside this cylinder fixed block through this through hole; And have one on the outer peripheral face of this axis of guide along its axially extended plane, have on the side face of said through hole with this axis of guide outer peripheral face on the plane of matching, plane.
Preferably; The outside of the said axis of guide also is with a guide pin bushing of the axial hole that is positioned at said cylinder fixed block; The front end of this guide pin bushing and described anti-rotor offset, and the rear end of this guide pin bushing offsets with the spacer that is positioned at said axial hole, can reduce the machining accuracy of cylinder fixed block like this; Reduce the material grade, finally reduce cost of manufacture.
Preferably, connect for the ease of assembling, have a draw-in groove on the front end face of the said axis of guide, the centre of said alignment pin has the bigger flange of a diameter, and said flange is stuck in the draw-in groove of the said axis of guide.
In above-mentioned scenarios, described connection-peg is the connector that the cross section is the T font, and accordingly, described inserting groove is designed to T-slot.Be connected with the inserting of T-slot through T shape connection-peg, can realize easily that floating junction is connected with the axis of guide fast.Certainly, also can adopt the structure of dovetail groove and swallow-tail form connection-peg.
Be preferably, described connection-peg is positioned on the rearward end of the said axis of guide, and described inserting groove is positioned on the said floating junction leading section.
Compared with prior art, because the guide-localization pin mechanism of the utility model is connected cylinder piston rod through a floating junction with the axis of guide, thereby it is little to take up room; In narrower occasion, also can use, and simple in structure, and requirement on machining accuracy is low; Cost is little, and is easy to assembly.Moreover anti-rotor can prevent that alignment pin from rotating, and can also effectively strike off the axis of guide impurity that the surface is stockpiled in motion process simultaneously.
Description of drawings
Fig. 1 is the scheme of installation of the utility model anti-rotation guide-localization pin mechanism.
Fig. 2 is the schematic perspective view of the utility model anti-rotation guide-localization pin mechanism.
Fig. 3 is along the cutaway view on the Y direction among Fig. 2.
Fig. 4 is along the cutaway view on the directions X among Fig. 2.
Fig. 5 is the exploded view of the utility model anti-rotation guide-localization pin mechanism.
Fig. 6 is the schematic perspective view of the floating junction of the utility model anti-rotation guide-localization pin mechanism.
Fig. 7 is the schematic perspective view of other direction of the floating junction of the utility model anti-rotation guide-localization pin mechanism.
Fig. 8 is the schematic perspective view of the axis of guide of the utility model anti-rotation guide-localization pin mechanism.
Fig. 9 is the schematic perspective view of another direction of the axis of guide of the utility model anti-rotation guide-localization pin mechanism.
Figure 10 is the schematic perspective view of the anti-rotor of the utility model anti-rotation guide-localization pin mechanism.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
The guide-localization pin mechanism of the utility model; Shown in Fig. 1-5; Comprise cylinder fixed block 1, cylinder 2 and the axis of guide 6, wherein cylinder 2 is fixed on the L shaped fixed block 4 of Pneumatic welder structure through this cylinder fixed block 1, and this L shaped fixed block 4 is connected on the vertical rack 20.
This cylinder 2 is flat cylinder; Has an axial hole 11 in the cylinder fixed block 1; The rear end of this cylinder fixed block 1 is connected with the front end of cylinder 2, is inserted in the axial hole 11 of this cylinder fixed block 1 after the piston rod of cylinder 2 21 is overhanging, in the axial hole 11 of cylinder fixed block 1, is provided with a floating junction 5 that is positioned at piston rod 21 front ends simultaneously; The rear end of this floating junction 5 is fixed on this piston rod 21 through a screw 7; The front end of this floating junction 5 is connected on the rear end of the axis of guide 6 of a sleeve-like, and the front end of the axis of guide 6 stretches out from the front end of cylinder fixed block 1, and the front end of this axis of guide 6 is fixed with above-mentioned alignment pin 3; Along with the motion of cylinder 2, this alignment pin 3 is along with the axis of guide 6 is done stretching motion outside the front end of cylinder fixed block 1.
And the outside of this axis of guide 6 also is with a fairlead 9 of the axial hole 11 that is positioned at cylinder fixed block 1; Also be provided with a spacer 10 that offsets with fairlead 9 rear ends simultaneously in the axial hole 11 of this cylinder fixed block 1; The internal diameter of this spacer 10 is greater than the internal diameter of this fairlead 9, and the external diameter of the internal diameter of fairlead 9 and the axis of guide 6 is complementary.
The front end of this cylinder fixed block 1 is fixed with an anti-rotor 8, sees also Figure 10, this anti-rotor 8 have one with the match through hole 81 of size of the external diameter of the axis of guide 6, the alignment pin 3 of this axis of guide 6 and front end just stretches out from this through hole 81.
Above-mentioned floating junction 5; Like Fig. 6, shown in 7; The center has an axial hole 51, and the rear end in this hole 51 has a radially inwardly outstanding protruding circle 52, and screw 7 inserts from the front end of this floating junction 5 to the back-end; Head just is stuck on this protruding circle 52, with this rear end of this floating junction 5 and the front end of piston rod 21 is fixed.The front end of this floating junction 5 has connection-peg; In the present embodiment, this connection-peg is designed to the connector that the cross section becomes the T font, promptly has two parallel planes 52 on the front end side face of floating junction 5; These two plane 53 rear sides have breach 54 respectively, and this breach 54 exposes the side in said hole 51.
The said axis of guide 6 like Fig. 8, shown in 9, has a draw-in groove 61 on the front end of the axis of guide 6, the centre of alignment pin 3 has the bigger flange of a diameter 31, and the rear end of alignment pin 3 is inserted into the front end of this axis of guide 6, and flange 31 is stuck in the draw-in groove 61 of the axis of guide 6.In the present embodiment, the both sides of this flange 31 have the plane respectively, and draw-in groove 61 has the flat side that matches with this two plane.The rear end of this axis of guide 6 has the inserting groove 62 that the connection-peg with the front end of this floating junction 5 is complementary; This inserting groove 62 radially is provided with; Promptly radially through the side of floating junction; The connection-peg of these floating junction 5 front ends radially is inserted in the inserting groove 62 and realizes that connection-peg is connected with the inserting of inserting groove, and then floating junction 5 is connected with the axis of guide 6.Preferably, this inserting groove 62 is a T-slot.
Also have one on the side face of this axis of guide 6 along its axially extended plane 63; Accordingly, have on the side face of the through hole 81 of this anti-rotor 8 with this axis of guide 6 on the plane of matching, plane 63, therefore; As long as this anti-rotor 8 is fixed in the front end of cylinder fixed block 1; The front end of the axis of guide 6 passes this anti-rotor 8, is matched in plane and the plane 63 on the axis of guide 6 on this anti-rotor 8, just can prevent the axis of guide 6 in the axial hole 11 of cylinder fixed block 1 around its central shaft rotation.And this axis of guide 6 is along its axially-movable the time, and anti-rotor 8 can also strike off the impurity that accumulate at the volley on the axis of guide 6 surfaces.
This guide-localization pin mechanism; Not only can make cylinder drive alignment pin and move, and anti-rotor can prevent that alignment pin from rotating, and can strike off the axis of guide impurity that stockpiled of surface at the volley along the axial hole in the cylinder fixed block 1 through floating junction, the axis of guide; And come ways of connecting simple in structure with floating junction; Requirement on machining accuracy is low, is convenient to process and assemble, and production efficiency is high.

Claims (6)

1. guide-localization pin mechanism; Comprise the cylinder fixed block (1) and the alignment pin (3) that are fixed in cylinder (2) front end; Wherein has axial hole (11) in the cylinder fixed block (1); The axis of guide (6) that front end is connected with alignment pin (3) is installed in this axial hole (11); It is characterized in that: (11) also are equipped with the floating junction (5) between piston rod (21) front end that is positioned at the axis of guide (6) rear end and cylinder in the described axial hole; Between the rear end of this floating junction (5) front end and the axis of guide (6) through connection-peg and the inserting groove (63) that is complementary with this connection-peg and radially is provided with mutually inserting be connected, the rear end of said floating junction (5) is connected in the front end of said piston rod (21) through a screw (7).
2. guide-localization pin mechanism as claimed in claim 1; It is characterized in that: the front end of said cylinder fixed block (1) also is fixed with an anti-rotor (8); Has the through hole (81) that is complementary with the external diameter of this axis of guide (6) on the said anti-rotor (8); The front end of the said axis of guide (6) stretches out in outside this cylinder fixed block (1) through this through hole (81); And have one on the outer peripheral face of this axis of guide (6) along its axially extended plane (63), have on the side face of said through hole (81) with this axis of guide (6) outer peripheral face on the plane of matching, plane (63).
3. guide-localization pin mechanism as claimed in claim 2; It is characterized in that: the outside of the said axis of guide (6) also is with a guide pin bushing (9) of the axial hole (11) that is positioned at said cylinder fixed block (1); Front end of this guide pin bushing (9) and described anti-rotor (8) offset, and the rear end of this guide pin bushing (9) offsets with the spacer (10) that is positioned at said axial hole (11).
4. guide-localization pin mechanism as claimed in claim 1; It is characterized in that: have a draw-in groove (61) on the front end face of the said axis of guide (6); The centre of said alignment pin (3) has the bigger flange of a diameter (31), and said flange (31) is stuck in the draw-in groove (61) of the said axis of guide (6).
5. like each described guide-localization pin mechanism of claim 1 to 4, it is characterized in that: described connection-peg is the connector that the cross section is the T font, and accordingly, described inserting groove is designed to T-slot.
6. guide-localization pin mechanism as claimed in claim 5 is characterized in that: described connection-peg is positioned on the rearward end of the said axis of guide (6), and described inserting groove is positioned on said floating junction (5) leading section.
CN2012200328629U 2012-02-02 2012-02-02 Guide locating pin mechanism Expired - Fee Related CN202539856U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200328629U CN202539856U (en) 2012-02-02 2012-02-02 Guide locating pin mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200328629U CN202539856U (en) 2012-02-02 2012-02-02 Guide locating pin mechanism

Publications (1)

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CN202539856U true CN202539856U (en) 2012-11-21

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103506747A (en) * 2013-10-11 2014-01-15 武汉法利普纳泽切割***有限公司 Slab automatic positioning cutting workbench of plasma cutter
CN106772661A (en) * 2016-12-24 2017-05-31 东莞市达创机械设备有限公司 Optical fiber scanning testing agency
CN107486491A (en) * 2016-06-13 2017-12-19 张家港市丰乐汽车设备有限公司 A kind of turret positioning device of numerical control turret
CN108544216A (en) * 2018-06-19 2018-09-18 滨州渤海活塞有限公司 Piston circlip automatic assembling apparatus and method
CN109014719A (en) * 2018-08-15 2018-12-18 长春森酉科技有限公司 A kind of automatic telescopic locating device
CN109160239A (en) * 2018-09-14 2019-01-08 珠海格力智能装备有限公司 Location structure and conveying equipment with it

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103506747A (en) * 2013-10-11 2014-01-15 武汉法利普纳泽切割***有限公司 Slab automatic positioning cutting workbench of plasma cutter
CN103506747B (en) * 2013-10-11 2015-11-18 武汉法利普纳泽切割***有限公司 The dull and stereotyped positional dissection workbench automatically of CUT
CN107486491A (en) * 2016-06-13 2017-12-19 张家港市丰乐汽车设备有限公司 A kind of turret positioning device of numerical control turret
CN106772661A (en) * 2016-12-24 2017-05-31 东莞市达创机械设备有限公司 Optical fiber scanning testing agency
CN108544216A (en) * 2018-06-19 2018-09-18 滨州渤海活塞有限公司 Piston circlip automatic assembling apparatus and method
CN109014719A (en) * 2018-08-15 2018-12-18 长春森酉科技有限公司 A kind of automatic telescopic locating device
CN109160239A (en) * 2018-09-14 2019-01-08 珠海格力智能装备有限公司 Location structure and conveying equipment with it

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C14 Grant of patent or utility model
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: 20121121

Termination date: 20190202