CN207013857U - A kind of nut spot welding machine - Google Patents

A kind of nut spot welding machine Download PDF

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Publication number
CN207013857U
CN207013857U CN201720823899.6U CN201720823899U CN207013857U CN 207013857 U CN207013857 U CN 207013857U CN 201720823899 U CN201720823899 U CN 201720823899U CN 207013857 U CN207013857 U CN 207013857U
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CN
China
Prior art keywords
nut
backup pad
lower support
workpiece
upper backup
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 - Fee Related
Application number
CN201720823899.6U
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Chinese (zh)
Inventor
朴炳民
马金亮
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.)
Tianjin Qi Qi Auto Parts Co Ltd
Original Assignee
Tianjin Qi Qi Auto Parts 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
Application filed by Tianjin Qi Qi Auto Parts Co Ltd filed Critical Tianjin Qi Qi Auto Parts Co Ltd
Priority to CN201720823899.6U priority Critical patent/CN207013857U/en
Application granted granted Critical
Publication of CN207013857U publication Critical patent/CN207013857U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of nut spot welding machine,Its drip irrigation device includes nut conveyor and mash welder,Mash welder includes upper support seat and lower support base,Upper support seat is provided with Top electrode,Top electrode is realized by hydraulic transmission and moved up and down,Lower support base is provided with bottom electrode,The top of bottom electrode is provided with positioning table and nut locating rod,The lower end of Top electrode is provided with the groove coordinated with nut locating rod gap,Upper backup pad is provided between positioning table and nut locating rod top,Upper backup pad is provided with positioning hole corresponding with nut locating rod,The diameter of positioning hole is more than positioning table,Workpiece to be added is placed with upper backup pad,Workpiece to be added is provided with nut spacing hole,The diameter of nut spacing hole is less than positioning table and is more than nut locating rod,Upper backup pad, which is provided with, to be used to position holding down assembly for workpiece to be added,Upper backup pad is connected with lower support base by elastic parts,It is specific to improve device security,Prevent that operator is injured,Reduce the function of operator's labor intensity.

Description

A kind of nut spot welding machine
Technical field
Nut-welding field is the utility model is related to, more specifically it is related to a kind of nut spot welding machine.
Background technology
Nut spot welding machine is for by the machine of workpiece and nut-welding, it to include nut conveyor and mash welder, in vapour Car manufacturing field utilization is more frequent, is generally used for welding on nut and workpiece to be added.
A kind of project-welding nut of patent disclosure that patent application publication number is CN101920389U in the prior art is sent automatically Material machine, it is connected with mash welder, nut-welding is being needed when on steel plate manually to place steel plate on the bottom electrode, and keep Steel plate, which does not drop, enables steel plate and nut-welding success, and when keeping steel plate not drop, the hand of operating personnel may misplace On nut conveying lever institute way forward, when nut conveying lever acts, nut conveying lever may be with human contact to behaviour Cause to damage as personnel.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of nut spot welding machine, it is specific anti- Only operator is injured, improves device security, reduces the function of operator's labor intensity.
To achieve the above object, the utility model provides following technical scheme:A kind of nut spot welding machine, including nut are defeated Send machine and mash welder, the mash welder includes upper support seat and lower support base, and the upper support seat is provided with Top electrode, it is described on Electrode realizes and moved up and down that the lower support base is provided with bottom electrode, and the top of the bottom electrode is set by hydraulic transmission There are positioning table and nut locating rod, the lower end of the Top electrode is provided with the groove coordinated with nut locating rod gap, the positioning Upper backup pad is provided between platform and nut locating rod top, the upper backup pad is provided with positioning corresponding with nut locating rod Hole, the diameter of the positioning hole are more than positioning table, workpiece to be added are placed with the upper backup pad, and the workpiece to be added is provided with Nut spacing hole, the diameter of the nut spacing hole are less than the diameter of positioning table and more than the diameters of nut locating rod, it is described on Supporting plate, which is provided with, to be used to position holding down assembly for workpiece to be added, and the upper backup pad is connected with lower support base by elastic parts Connect.
By using above-mentioned technical proposal, workpiece to be added is placed on upper backup pad so that nut spacing hole is socketed in spiral shell The outside of female locating rod, and by holding down assembly after Work-sheet pressing to be added, open nut conveyor, nut is sent to nut and determined The top of position bar, is then turned on mash welder so that Top electrode moves down, Top electrode continues to push after nut is abutted with workpiece to be added Upper backup pad so that elastic parts is moved down by compression upper backup pad, until workpiece to be added abuts Top electrode and lower electricity with positioning table Pole is turned on, and nut and workpiece to be added are welded.
In the process, workpiece to be added reduces behaviour without fix workpiece to be added with the pushing phase after holding down assembly and fixing While work person's labor intensity, prevent the conveying lever on nut conveyor from being contacted with operator, improve the security of operator.
The utility model is further arranged to:Described hold down assembly connects two coaming plates including upper backup pad, described in two Coaming plate is relative and parallel with lower support base, the first spring is fixed with one coaming plate, the first spring other end is fixed There is fixed strip.
By using above-mentioned technical proposal, after the nut spacing hole on workpiece to be added is enclosed on into nut locating rod, promote solid Determine bar and compress the first spring so that workpiece to be added can be placed between coaming plate and fixed strip, then discharge fixed strip so that Workpiece to be added is clamped in the presence of the first spring by coaming plate and fixed strip so that workpiece to be added is not easy to fall from upper backup pad Fall, be easy to the welding of follow-up nut.And fixed strip is triangle towards one end of another coaming plate and the sensing of its summit is another Individual coaming plate so that workpiece to be added can move in installation and taking-up along the side of the triangle of fixed strip, be easy to workpiece to be added Installation and taking-up, while when workpiece to be added is connected in lower support block, workpiece both ends to be added.
The utility model is further arranged to:The fixed strip is provided with ramp with towards one end of another coaming plate Inclined-plane, the ramp and lower inclined plane tilt from fixed strip middle part to close to the side of spring.
By using above-mentioned technical proposal, when workpiece to be added is placed on upper backup pad, workpiece one end to be added is placed On upper backup pad, one end is placed on ramp, and workpiece to be added is enabled to along under ramp by pressing workpiece to be added Move and extrude fixed strip to side and cause the first spring-compressed, after being abutted at workpiece both ends to be added with upper backup pad so that Workpiece to be added is connected on coaming plate one end in the presence of the first spring, and the other end is connected on lower inclined plane so that workpiece to be added By it is clamped while, one end that workpiece to be added abuts with lower inclined plane is hindered to be not easy to be upturned by lower inclined plane so as to be added Workpiece is fixed more stable, and when taking out workpiece to be added, need to only pull up workpiece to be added, fixed strip is compressed such that and treated Workpiece can take out.In workpiece fetching process to be added, without pulling fixed strip in addition, a hand is only needed to complete to be added Workpiece is fixed, and improves operating efficiency, reduces the labor intensity of operator.
The utility model is further arranged to:The fixed strip include by the positive stop strip of connecting bolt, thickening plate and With installing plate, ramp described in the installing plate and the first spring and lower inclined plane are located on positive stop strip.
By using above-mentioned technical proposal, positive stop strip is enabled to by increasing or decreasing thickening plate and is not fixed with spring The distance between coaming plate change, conveniently adapt to different size of workpiece to be added.
The utility model is further arranged to:The upper backup pad is provided with chute, and the coaming plate is slidably connected at chute Interior, the coaming plate can be fixed by wing bolt and upper backup pad.
By using above-mentioned technical proposal, when the size of workpiece to be added changes, the position of adjustable coaming plate causes The distance between coaming plate and fixed strip are easy to the installation of workpiece to be added.
The utility model is further arranged to:The elastic parts includes the lower support block being connected with lower support base, described It is lower to be connected between support block and upper backup pad by second spring.
By using above-mentioned technical proposal, when Top electrode pushes, after Top electrode abuts nut with workpiece to be added, upper branch Fagging can move down and compress second spring, and after workpiece to be added abuts with positioning table, Top electrode and bottom electrode conducting are real Existing nut welds with workpiece to be added, and after Top electrode moves up, upper backup pad returns initial position in the presence of second spring, just Run next time.
The utility model is further arranged to:Limit shaft is equipped with the second spring, the limit shaft lower end is with Support block is fixedly connected, and upper end is slidably connected on upper backup pad.
By using above-mentioned technical proposal, when upper backup pad moves down, limit shaft can ensure that upper backup pad vertically moves down, Guide effect is played, anti-and limit shaft can stop spring bending and be not easy to recover.
The utility model is further arranged to:Slide rail and lower support base of the lower support block by the both sides of lower support base It is slidably connected, the slide rail is parallel with lower support base, and the lower support block is fixed by bolt and slide rail.
, can be by the spiral shell on positioning sliding block when that need not be supported to machined part by using above-mentioned technical proposal Bolt unclamps, after then causing upper backup pad to be higher than nut locating rod upper backup pad pull-up, by upper backup pad to close to mainframe Direction movement so that upper backup pad no longer disturbs welding away from weld zone, then tightens bolt so that positioning sliding block is fixed, makes Support block fixation must be descended not slide.
In summary, the utility model has advantages below:
1. by the way that workpiece to be added is fixed on upper backup pad, in the welding process of workpieces in subsequent to be added, behaviour has been liberated Make the both hands of personnel so that labor intensity of operating staff reduces, and so that the conveying lever on nut conveyor will not when acting Contacted with operating personnel so that operating personnel are not easy injury, improve the security of equipment.
2. when without using upper backup pad, position of the lower support block on slide rail can be adjusted so that upper backup pad is remote Bottom electrode, it is easy to other parts to weld.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment;
Fig. 2 is the structural representation of mash welder in the present embodiment;
Fig. 3 is the schematic diagram of each part annexation in the present embodiment saliency points welding machine the latter half;
Fig. 4 is enlarged drawing of the present embodiment at Fig. 3 A.
Description of reference numerals:1st, nut conveyor;2nd, mash welder;3rd, mainframe;4th, upper support seat;5th, lower support base;6、 Top electrode;7th, hydraulic transmission;8th, groove;9th, bottom electrode;10th, positioning table;11st, nut locating rod;12nd, upper backup pad;13、 Positioning hole;14th, chute;15th, coaming plate;16th, wing bolt;17th, the first spring;18th, fixed strip;19th, workpiece to be added;20th, it is spacing Bar;21st, thickening plate;22nd, installing plate;23rd, ramp;24th, lower inclined plane;25th, slide rail;26th, lower support block;27th, bolt; 28th, second spring;29th, limit shaft;30th, nut spacing hole.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of nut spot welding machine 2, as shown in Figure 1 and Figure 2, including nut conveyor 1 and mash welder 2, mash welder 2 include master Frame 3 and the upper support seat 4 vertical with mainframe 3 and lower support base 5, are provided with Top electrode 6, Top electrode on upper support seat 4 6 realize up and down motion by the hydraulic transmission 7 on mainframe 3.
As shown in Figure 2 and Figure 3, bottom electrode 9 is fixed with lower support base 5, the upper end of bottom electrode 9 is provided with positioning table 10, positioning The top of platform 10 is provided with nut locating rod 11, is provided with the lower end of Top electrode 6 and extends upward with nut locating rod 11 cooperation Groove 8.Upper backup pad 12 is provided between positioning table 10 and nut locating rod 11, upper backup pad 12 is made up of nonmetallic materials, Upper backup pad 12, which is provided with, is used for the positioning hole 13 that nut locating rod 11 passes through, and the diameter of positioning hole 13 is more than bottom electrode 9. Upper backup pad 12 is provided with chute 14, slidably connects two coaming plates 15 in chute 14, coaming plate 15 it is parallel with lower support base 5 and Coaming plate 15 can be fixedly connected by wing bolt 16 with upper backup pad 12.
As shown in Figure 3, Figure 4, the first spring 17 is fixed with the coaming plate 15 of side, the other end of the first spring 17 is fixed There is fixed strip 18, workpiece to be added 19 to be processed is provided between two fixed strips 18, workpiece 19 to be added can be steel plate, to be processed Part 19 is provided with the nut spacing hole 30 being used for by nut locating rod 11.
As shown in Figure 3, Figure 4, fixed strip 18 includes the positive stop strip 20, thickening plate 21 and peace fixed by connecting bolt 30 Loading board 22, installing plate 22 are connected with the first spring 17, and positive stop strip 20 is gores, and positive stop strip 20 is provided with the He of ramp 23 Lower inclined plane 24, ramp 23 and lower inclined plane 24 tilt from the middle part of fixed strip 18 to close to the side of the first spring 17.When to be processed When part 19 presses downward to above positive stop strip 20, one end of workpiece 19 to be added can move down along ramp 23, and by positive stop strip 20 extrude to side and are connected to all the time on workpiece 19 to be added in the presence of the first spring 17, and lower inclined plane 24 is apart from bottom Height be more than workpiece 19 to be added thickness, when workpiece 19 to be added, which is moved to, to be abutted with upper backup pad 12, workpiece 19 1 to be added End is connected on coaming plate 15, and the other end is connected on lower inclined plane 24 so that effect of the workpiece 19 to be added in the elastic force of the first spring 17 Under it is not easily shifted, and lower inclined plane 24 can prevent workpiece 19 to be added to be upturned so that workpiece 19 to be added is not easy from upper backup pad Dropped on 12, be easy to subsequently weld.When the lateral attitude of the top nut of workpiece 19 to be added installation changes or workpiece to be added 19 is big It is small when changing, can by mobile coaming plate 15 or increase thickening plate 21 mode positive stop strip 20 can be connected to it is to be added Workpiece 19 to be added is fixed on workpiece 19.
As shown in Figure 2 and Figure 3, the slide rail 25 parallel with lower support base 5, slide rail 25 are fixed with the both sides of lower support base 5 On slidably connect lower support block 26, and be fixedly connected in lower support block 26 by bolt 27 with slide rail 25, lower support Block 26 is connected with upper backup pad 12 by second spring 28, and limit shaft 29, the upper end of limit shaft 29 are equipped with second spring 28 It is slidably connected with upper backup pad 12, lower end is fixed with lower support block 26, and when upper backup pad 12 moves down, limit shaft 29 can be protected Demonstrate,prove the vertical downward movement of upper backup pad 12 so that second spring 28 will not be bent.
Specific work process:It is pressed downward after nut spacing hole 30 on workpiece 19 to be added is coordinated with nut locating rod 11 It is dynamic so that when workpiece 19 to be added abuts with upper backup pad 12, the both ends of workpiece 19 to be added abut and fixed with positive stop strip 20, then Open nut conveyor 1 nut is transported in nut locating rod 11, because workpiece 19 to be added is fixed so that operator need not Workpiece 19 to be added is fixed with hand for a long time, saves strength, reduces the labor intensity of operator, and it is defeated on nut conveyor 1 Send bar not contacted again with people in motion, improve the safety of operating personnel.
After nut conveys, open mash welder 2 and Top electrode 6 is pushed, nut locating rod 11 is embedded into groove 8 It is interior so that Top electrode 6 pushes nut, may proceed to drive upper backup pad 12 to move down after nut abuts with workpiece 19 to be added, makes Obtain second spring 28 to compress, until after workpiece 19 to be added abuts with positioning table 10, upper backup pad 12 is located at the upper surface of positioning table 10 Lower section, Top electrode 6 welded by workpiece 19 to be added and nut and the conducting of bottom electrode 9.After the completion of welding, Top electrode 6 Move up, upper backup pad 12 acts on Regression initial position in the elastic force of second spring 28, then manually that workpiece 19 to be added is upward Pull out, due to positive stop strip 20 for triangle so the positive stop strip 20 during moving up of workpiece to be added 19 to both sides movement, is easy to treat The taking-up of workpiece 19.
The present embodiment uses nut conveyor that nut is transported in nut locating rod as preferable technical scheme, and it is conveyed Process is prior art, it is also possible to manually nut is placed in nut locating rod instead of nut conveyor.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, it is all in this practicality Within new design concept, any modification, equivalent substitution and improvements made etc., protection of the present utility model should be included in Within the scope of.

Claims (8)

1. a kind of nut spot welding machine, including nut conveyor (1) and mash welder (2), the mash welder (2) include upper support seat (4) and lower support base (5), the upper support seat (4) are provided with Top electrode (6), and the Top electrode (6) passes through hydraulic transmission (7) realize and move up and down, the lower support base (5) is provided with bottom electrode (9), and the top of the bottom electrode (9) is provided with positioning table (10) and nut locating rod (11), the lower end of the Top electrode (6) are provided with the groove coordinated with nut locating rod (11) gap (8), it is characterised in that:Be provided with upper backup pad (12) between the positioning table (10) and nut locating rod (11) top, it is described on Supporting plate (12) is provided with positioning hole (13) corresponding with nut locating rod (11), and the diameter of the positioning hole (13) is more than positioning Platform (10), workpiece to be added (19) is placed with the upper backup pad (12), the workpiece (19) to be added is provided with nut spacing hole (30), the diameter of the nut spacing hole (30) is less than the diameter of positioning table (10) and is more than the diameter of nut locating rod (11), The upper backup pad (12), which is provided with, to be used to position holding down assembly for workpiece to be added (19), the upper backup pad (12) and lower support Seat (5) is connected by elastic parts.
A kind of 2. nut spot welding machine according to claim 1, it is characterised in that:It is described to hold down assembly including being fixed on upper branch Upper two coaming plates (15) of fagging (12), two coaming plates (15) are relative and, one coaming plate parallel with lower support base (5) (15) the first spring (17) is fixed with, the first spring (17) other end is fixed with fixed strip (18).
A kind of 3. nut spot welding machine according to claim 2, it is characterised in that:The fixed strip (18) is enclosed towards another One end of plate (15) is provided with ramp (23) and lower inclined plane (24), and the ramp (23) and lower inclined plane (24) are by fixed strip (18) middle part tilts to close to the side of spring.
A kind of 4. nut spot welding machine according to claim 3, it is characterised in that:The fixed strip (18) includes passing through connection The positive stop strip (20) of bolt, thickening plate (21) and with installing plate (22), the installing plate and the first spring (17) it is described it is upper tiltedly Face (23) and lower inclined plane (24) are located on positive stop strip (20).
A kind of 5. nut spot welding machine according to claim 2, it is characterised in that:The upper backup pad (12) is provided with chute (14), the coaming plate (15) is slidably connected in chute (14), and the coaming plate (15) can pass through wing bolt (16) and upper support Plate (12) is fixed.
A kind of 6. nut spot welding machine according to claim 1, it is characterised in that:The elastic parts includes and lower support base (5) the lower support block (26) of connection, the lower support block (26) are connected between upper backup pad (12) by second spring (28).
A kind of 7. nut spot welding machine according to claim 6, it is characterised in that:Worn in the second spring (28) limited Position axle (29), limit shaft (29) lower end are fixedly connected with lower support block (26), and upper end is slidably connected at upper backup pad (12) On.
A kind of 8. nut spot welding machine according to claim 7, it is characterised in that:The lower support block (26) passes through lower support The slide rail (25) of the both sides of seat (5) is slidably connected with lower support base (5), and the slide rail (25) is parallel with lower support base (5), described Lower support block (26) is fixed by bolt (27) and slide rail (25).
CN201720823899.6U 2017-07-08 2017-07-08 A kind of nut spot welding machine Expired - Fee Related CN207013857U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720823899.6U CN207013857U (en) 2017-07-08 2017-07-08 A kind of nut spot welding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720823899.6U CN207013857U (en) 2017-07-08 2017-07-08 A kind of nut spot welding machine

Publications (1)

Publication Number Publication Date
CN207013857U true CN207013857U (en) 2018-02-16

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108890108A (en) * 2018-09-26 2018-11-27 宁波龙图通讯科技有限公司 A kind of cold-reduced sheet molding spot welding device
CN108941871A (en) * 2018-06-22 2018-12-07 襄阳元创汽车零部件实业有限公司 A kind of nut spot welding machine with anti-reflection function
CN109014543A (en) * 2018-09-29 2018-12-18 天津七所高科技有限公司 A kind of nut box projection welding system
CN111790972A (en) * 2020-07-27 2020-10-20 格力电器(郑州)有限公司 Workpiece supporting device for spot welding machine and welding system
CN114932369A (en) * 2022-05-27 2022-08-23 浙江东明不锈钢制品股份有限公司 Can realize nut machine pay-off structure of accurate material loading

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108941871A (en) * 2018-06-22 2018-12-07 襄阳元创汽车零部件实业有限公司 A kind of nut spot welding machine with anti-reflection function
CN108890108A (en) * 2018-09-26 2018-11-27 宁波龙图通讯科技有限公司 A kind of cold-reduced sheet molding spot welding device
CN108890108B (en) * 2018-09-26 2020-11-20 宁波龙图通讯科技有限公司 Cold-rolled sheet shaping spot welding device
CN109014543A (en) * 2018-09-29 2018-12-18 天津七所高科技有限公司 A kind of nut box projection welding system
CN111790972A (en) * 2020-07-27 2020-10-20 格力电器(郑州)有限公司 Workpiece supporting device for spot welding machine and welding system
CN111790972B (en) * 2020-07-27 2021-11-23 格力电器(郑州)有限公司 Workpiece supporting device for spot welding machine and welding system
CN114932369A (en) * 2022-05-27 2022-08-23 浙江东明不锈钢制品股份有限公司 Can realize nut machine pay-off structure of accurate material loading
CN114932369B (en) * 2022-05-27 2022-12-23 浙江东明不锈钢制品股份有限公司 Can realize nut machine pay-off structure of accurate material loading

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Granted publication date: 20180216

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