CN202591948U - Bolt tightening equipment capable of adjusting angles and positions - Google Patents

Bolt tightening equipment capable of adjusting angles and positions Download PDF

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Publication number
CN202591948U
CN202591948U CN 201220230219 CN201220230219U CN202591948U CN 202591948 U CN202591948 U CN 202591948U CN 201220230219 CN201220230219 CN 201220230219 CN 201220230219 U CN201220230219 U CN 201220230219U CN 202591948 U CN202591948 U CN 202591948U
Authority
CN
China
Prior art keywords
tightening
plate
axle
bolt
angular adjustment
Prior art date
Application number
CN 201220230219
Other languages
Chinese (zh)
Inventor
周守民
Original Assignee
大连嘉禾自控技术有限公司
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
Application filed by 大连嘉禾自控技术有限公司 filed Critical 大连嘉禾自控技术有限公司
Priority to CN 201220230219 priority Critical patent/CN202591948U/en
Application granted granted Critical
Publication of CN202591948U publication Critical patent/CN202591948U/en

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Abstract

The utility model discloses bolt tightening equipment capable of adjusting angles and positions and belongs to the field of automatic bolt fastening of automobile industry. The bolt tightening equipment comprises a supporting plate, four tightening shafts and two tightening shaft connection plates, wherein a hanging rod which is connected with a pneumatic suspension device is arranged at the upper end of the supporting plate; the four tightening shafts are symmetrically arranged on two sides of the supporting plate; the tightening shafts are arranged on the tightening shaft connection plates respectively, the tightening shaft connection plates are symmetrically arranged on two sides of the supporting plate and are hinged with the lower part of the supporting plate respectively, and the tightening shafts are symmetrically arranged on the two tightening shaft connection plates; and two lifting cylinders are symmetrically fixed on the two tightening shaft connection plates respectively, piston connection rods of the two lifting cylinders are fixedly connected with the tightening shaft connection plates which correspond to the piston connection rods respectively, cylinder bodies of the two lifting cylinders are in hinged connection through an angle adjustment device, and the angle adjustment device is connected with the supporting plate in a sliding way. The bolt tightening equipment improves production efficiency and torque accuracy, and ensures the balance of moments on various nuts; and the utility model is characterized in that the bolt tightening equipment adapts to the tightening of multiple varieties of bolts in various environments.

Description

The bolt tightening device of a kind of angle adjustable and position
Technical field
The utility model relates to the automatic fastening field of auto manufacturing's bolt, the bolt tightening device of particularly a kind of angle adjustable and position.
Background technology
At present being connected between heavy truck general assembly line upper steel plate spring and the trunnion shaft is the realization of tightening with 2 (or 4) U-bolts and 4 nuts.The angle of every U-bolt and vertical direction is between 8~13 °, and the angle between two U-bolts is between 16~26 ° so.
In the process that realizes the utility model, utility model people finds that there is following problem at least in prior art:
Traditional tightening method adopts artificial hand-held pneumatic impact wrench one by one each nut to be tightened, and pneumatic impact wrench Tightening moment precision is low, noise is big, labor strength is high, efficient is low, can't guarantee the equilibrium of moment on each nut; Existing 4 tightening devices are after tightening completion, and stuck between sleeve and the fastened nut, equipment can't break away from workpiece.
The utility model content
Tighten when realizing four nuts; Enhance productivity and torque precision; Guarantee the equilibrium of moment on each nut, improve assembly quality, reduce working strength of workers; Make it adapt under the various environment many kinds bolt and tighten, the utility model provides the bolt tightening device of a kind of angle adjustable and position.
Said technical scheme is following:
The bolt tightening device of a kind of angle adjustable and position comprises:
Gripper shoe, its upper end is provided with the suspension rod that is connected with pneumatic suspension arrangement;
Tighten axle, be provided with four altogether, it is symmetricly set in the both sides of said gripper shoe;
Tighten a connecting plate; The said axle of tightening is arranged at said tightening on the connecting plate respectively; A said connecting plate of tightening is symmetricly set in the both sides of said gripper shoe and is hinged with the bottom of said gripper shoe respectively, and the described axial symmetry of tightening is arranged at two said tightening on the connecting plate;
Two said tightening are distinguished the fixing lift cylinder of symmetry on the connecting plate; The piston rod of two said lift cylinders is fixedly connected with its pairing said connecting plate of tightening respectively; The cylinder body of two said lift cylinders is articulated and connected through an angular adjustment apparatus, and said angular adjustment apparatus and said gripper shoe are slidingly connected.
Moulding one angular adjustment chute on the said gripper shoe; Described angular adjustment apparatus comprises: slide block, adjusting rod and check lock lever; Said adjusting rod and check lock lever laterally arrange, and said slide block is arranged in the said angular adjustment chute and along said angular adjustment chute and slides, and said adjusting rod and check lock lever run through said slide block; And the cylinder body with two said lift cylinders is hinged respectively, and the two ends of said check lock lever are provided with locking nut.
Further, described two tighten and respectively are provided with a modified gear on the connecting plate, and said modified gear is a variable-position cylinder;
Described tightening forms displacement adjusting chute on the connecting plate, the said axle of tightening vertically runs through the said displacement adjusting chute of tightening on the connecting plate;
Said variable-position cylinder is fixedly connected with a said connecting plate of tightening, and its displacement piston rod is fixedly connected with the said axle of tightening, and is used to drive the said axle of tightening and moves along said displacement adjusting chute.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
(1) the utility model being provided with is used to adjust the angular adjustment apparatus of tightening the shaft angle degree; Up-down through the control lift cylinder; Thereby control and regulation bar and check lock lever move up and down along the angular adjustment chute on gripper shoe top; Two tighten a connecting plate rotates along hinge, is arranged at the angle of tightening axle of tightening on the connecting plate thereby change.
(2) also be fixed with modified gear on the connecting plate tightening, tightening axially or moving tightening the active force that axle is applied, driving through variable-position cylinder, thereby changing the position of tightening a upper bush away from the direction of gripper shoe.
(3) because the utility model is provided with angular adjustment apparatus, make and tighten axle and move along angle direction, after fastening nut is accomplished, can break away from workpiece smoothly, thoroughly avoid sleeve and nut stuck, take off too busy to get away phenomenon; Connectivity problem between trunnion shaft and the leaf spring is solved at all; Simultaneously, because U-bolt spacing and the different vehicle of angle are vicissitudinous, the utility model is simple to operate; Efficient is high, has adjustment spacing and angle function, has the flexibility characteristics; Can adapt to many kinds; Owing to simultaneously nut is screwed, can thoroughly solve harmony, the uniformity of moment in the bolted, improved the assembly quality of connector greatly.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the bolt tightening device structural representation that the utility model provides;
Fig. 2 is a bolt tightening device rearview shown in Figure 1;
Fig. 3 is the utility model practical implementation structural representation.
Among the figure:
The 1-lift cylinder; 2-tightens axle; 3-tightens a connecting plate; 4-angular adjustment chute; The 5-variable-position cylinder; The 6-sleeve;
7-is tightened nut; The 8-hinge; The 9-gripper shoe; The 10-check lock lever; The 11-suspension rod; The 12-outer cover; The 13-angular adjustment apparatus;
The 14-operating desk; The 15-operating grip; The 16-green light; The 17-red light; The 18-start button; The pneumatic button of 19-;
The pneumatic decline button of 20-; The pneumatic suspension arrangement of 21-; The 22-slide block; The 23-locking nut; The 24-adjusting rod;
Chute is regulated in the 25-displacement.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model embodiment is done to describe in detail further below.
As depicted in figs. 1 and 2, the utility model provides the bolt tightening device of a kind of angle adjustable and position, mainly comprises:
Gripper shoe 9, its upper end is provided with the suspension rod 11 that is connected with pneumatic suspension arrangement 21;
Tighten axle 2, be provided with four altogether, it is symmetricly set in the both sides of gripper shoe 9, and the axle 2 of tightening here is the electric tightening axle;
Tighten a connecting plate 3, it is symmetricly set in the both sides of gripper shoe 9, and is hinged through hinge 8 with the bottom of gripper shoe 9 respectively, tightens axle 2 and is symmetricly set in two said tightening on the connecting plate 9 respectively;
Two said tightening are distinguished the fixing lift cylinder 1 of symmetry on the connecting plate 3; The piston rod of two said lift cylinders 1 is fixedly connected with its pairing connecting plate 3 of tightening respectively; The cylinder body of two lift cylinders 1 is articulated and connected through an angular adjustment apparatus 13; Moulding one angular adjustment chute 4 on gripper shoe 9, angular adjustment apparatus 13 is slidingly connected with angular adjustment chute 4.
Wherein angular adjustment apparatus 13 comprises: slide block 22, adjusting rod 24 and check lock lever 10; Adjusting rod 24 laterally arranges with check lock lever 10; Slide block 22 is arranged in the angular adjustment chute 4 and along angular adjustment chute 4 and slides; Adjusting rod 24 runs through slide block 22 with check lock lever 10 and is fixedly connected with slide block 22, and the two ends of adjusting rod 24 and check lock lever 10 are hinged with the cylinder body of two lift cylinders 1 respectively, and the two ends of check lock lever 10 are provided with locking nut 23.
In order to realize that the position of tightening axle 2 is moved, to tighten two and respectively be provided with a modified gear on the connecting plate 3, the modified gear here is a variable-position cylinder 5; Tighten and form displacement adjusting chute 25 on the connecting plate 3, tighten axle 2 and vertically run through the displacement adjusting chute of tightening on the connecting plate 3 25; Variable-position cylinder 5 is fixedly connected with tightening a connecting plate 3, and the piston rod of variable-position cylinder 52 is fixedly connected with tightening axle, is used for driving tightening axle 2 and moving along displacement adjusting chute 25.
Variable-position cylinder 5 with tighten a connecting plate 3 and be fixed together, can move up and down through lift cylinder 1 with tightening a connecting plate 3; Four electric tightening axles 2 install respectively to be tightened on the connecting plate 3, and every side is adorned 2.Drive electric tightening axle 2 move left and right through variable-position cylinder 5.
Through the adjusting rod on the anglec of rotation adjusting device 13 24, because adjusting rod 24 employings is to have right-and-left threaded screw rod, tightens a connecting plate 3 about drive and rotate simultaneously along hinge 8, tighten the angle adjustment between the axle 2 about realization.Lock, fix through the locking nut 23 at check lock lever 10 two ends after adjustment is accomplished.
Outer cover 12 is fixedly connected and will tightens axle 2 " parcels " in outer cover 12 with tightening a connecting plate 3, plays attractive in appearance and to tightening a protective effect of spools 2.
The utility model molar behavior circulation theory: equipment body is connected on the suspension rod 11 by pneumatic suspension arrangement 21; Can whole move up and down with pneumatic suspension arrangement 21; When manually-operated; Hold both sides operating grip 15, have pneumatic button 19 to control pneumatic suspension arrangement 21 drive equipment bodies on the operating grip 15 and move down.Integral device descends with pneumatic suspension arrangement 21; After the distance between sleeve 6 and the fastened nut 26 reaches 80~100mm, press the pneumatic decline button 20 on the operating grip 15, lift cylinder 1 descends, drives electric tightening axle 2 and descends; After sleeve 6 is aimed at fastened nut 26; 18, four electric tightening axles 2 of start button of pressing on the operating grip 15 rotate simultaneously, carry out the Automatic Cycle process of rundown process.After tightening qualified end, green light 16 is bright on the operating desk 14, and it is qualified to represent, red light 17 bright expressions are defective.After qualified, cylinder 1 drives to be tightened a connecting plate 3 and rises automatically, and sleeve 6 is thrown off with fastened nut 26 smoothly, pneumatic suspension arrangement 21 drive equipment bodies risings.Carry out next one circulation.
Different automobile types and user have the different parameter requirement, like bolt distributed dimension, bolted moment of torsion (N.m) etc.The bolt distributed dimension has determined equipment profile size and Type of equipment, is vertical like this equipment, and the tire tightening device is horizontal.Requiring to select the specification of electric tightening axle 2 according to bolt torque, is 800 ± 30N.m like the fastened nut technological requirement of this equipment moment of torsion, and the specification of electric tightening axle 2 is 1000N.m; According to the physical dimension of stressed big or small each parts of appropriate change, make between each parts and dispose rationally simultaneously.
Above-mentioned the utility model embodiment sequence number is not represented the quality of embodiment just to description.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims (3)

1. the bolt tightening device of angle adjustable and position comprises:
Gripper shoe, its upper end is provided with the suspension rod that is connected with pneumatic suspension arrangement;
Tighten axle, be provided with four altogether, it is symmetricly set in the both sides of said gripper shoe;
Tighten a connecting plate, the said axle of tightening is arranged at said tightening on the connecting plate respectively, it is characterized in that,
A said connecting plate of tightening is symmetricly set in the both sides of said gripper shoe and is hinged with the bottom of said gripper shoe respectively, and the described axial symmetry of tightening is arranged at two said tightening on the connecting plate;
Two said tightening are distinguished the fixing lift cylinder of symmetry on the connecting plate; The piston rod of two said lift cylinders is fixedly connected with its pairing said connecting plate of tightening respectively; The cylinder body of two said lift cylinders is articulated and connected through an angular adjustment apparatus, and said angular adjustment apparatus and said gripper shoe are slidingly connected.
2. the bolt tightening device of angle adjustable according to claim 1 and position is characterized in that,
Moulding one angular adjustment chute on the said gripper shoe; Described angular adjustment apparatus comprises: slide block, adjusting rod and check lock lever; Said adjusting rod and check lock lever laterally arrange, and said slide block is arranged in the said angular adjustment chute and along said angular adjustment chute and slides, and said adjusting rod and check lock lever run through said slide block; And the cylinder body with two said lift cylinders is hinged respectively, and the two ends of said check lock lever are provided with locking nut.
3. the bolt tightening device of angle adjustable according to claim 1 and 2 and position is characterized in that,
Described two tighten and respectively are provided with a modified gear on the connecting plate, and said modified gear is a variable-position cylinder;
Described tightening forms displacement adjusting chute on the connecting plate, the said axle of tightening vertically runs through the said displacement adjusting chute of tightening on the connecting plate;
Said variable-position cylinder is fixedly connected with a said connecting plate of tightening, and its displacement piston rod is fixedly connected with the said axle of tightening, and is used to drive the said axle of tightening and moves along said displacement adjusting chute.
CN 201220230219 2012-05-22 2012-05-22 Bolt tightening equipment capable of adjusting angles and positions CN202591948U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220230219 CN202591948U (en) 2012-05-22 2012-05-22 Bolt tightening equipment capable of adjusting angles and positions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220230219 CN202591948U (en) 2012-05-22 2012-05-22 Bolt tightening equipment capable of adjusting angles and positions

Publications (1)

Publication Number Publication Date
CN202591948U true CN202591948U (en) 2012-12-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220230219 CN202591948U (en) 2012-05-22 2012-05-22 Bolt tightening equipment capable of adjusting angles and positions

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CN (1) CN202591948U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102756268A (en) * 2012-05-21 2012-10-31 大连嘉禾自控技术有限公司 Angle and position-adjustable bolt tightening equipment
CN103878578A (en) * 2014-03-19 2014-06-25 中联重科股份有限公司 Nut screwing device
CN104801956A (en) * 2014-01-27 2015-07-29 香港斯讬克股份有限公司 Locking device and locking manner
CN105171398A (en) * 2015-05-22 2015-12-23 南通市通润汽车零部件有限公司 Tightening machine and method adopting same for tightening workpieces
CN107877147A (en) * 2017-11-23 2018-04-06 中山市科力高自动化设备有限公司 A kind of back axle yoke device for screwing up
CN111002019A (en) * 2019-12-09 2020-04-14 清华大学 Intelligent tightening equipment

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102756268A (en) * 2012-05-21 2012-10-31 大连嘉禾自控技术有限公司 Angle and position-adjustable bolt tightening equipment
CN102756268B (en) * 2012-05-21 2014-12-17 大连嘉禾自控技术有限公司 Angle and position-adjustable bolt tightening equipment
CN104801956A (en) * 2014-01-27 2015-07-29 香港斯讬克股份有限公司 Locking device and locking manner
CN103878578A (en) * 2014-03-19 2014-06-25 中联重科股份有限公司 Nut screwing device
CN103878578B (en) * 2014-03-19 2016-06-08 中联重科股份有限公司 A kind of nut tightening device
CN105171398A (en) * 2015-05-22 2015-12-23 南通市通润汽车零部件有限公司 Tightening machine and method adopting same for tightening workpieces
CN105171398B (en) * 2015-05-22 2017-10-13 南通市通润汽车零部件有限公司 A kind of tightening machine and the method screwed using the tightening machine to workpiece
CN107877147A (en) * 2017-11-23 2018-04-06 中山市科力高自动化设备有限公司 A kind of back axle yoke device for screwing up
CN111002019A (en) * 2019-12-09 2020-04-14 清华大学 Intelligent tightening equipment

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