CN214721872U - Positioning fixture for welding fastening nut of tail gate rib plate - Google Patents

Abstract

The utility model relates to a positioning fixture is used in fastening nut welding of tail-gate floor, it includes the workstation, it has the groove of stepping down that is used for installing welding equipment to open on the workstation, be connected with two positioning mechanism on the workstation, two positioning mechanism sets up about the groove symmetry of stepping down, two one side that positioning mechanism deviates from mutually is established and all has slided and connect in the tight board of supporting of workstation, be connected with the retaining member that is used for locking to support tight board on the workstation one, two support tight board and carry out the centre gripping to work piece width direction's both sides face, every positioning mechanism includes first locating component, second locating component, first locating component is used for the bearing work piece, the centre gripping is carried out to work piece length direction's both sides face to the first locating component of second locating component cooperation. This application has the effect that improves the stability among the tail-gate floor welding process.

Description

Positioning fixture for welding fastening nut of tail gate rib plate

Technical Field

The application relates to the field of tools, in particular to a positioning clamp for welding a fastening nut of a tail gate rib plate.

Background

The automobile tail door is an opening door of an automobile trunk and plays an important role in vehicle opening, luggage storage, decoration, part maintenance and the like. The automobile tail gate is the most important opening and closing part in the automobile body, and an upturning structure is generally adopted.

The tail gate rib plate is an important part in automobile tail gate parts, and in the production of the tail gate rib plate, after the bolt is connected with the tail gate rib plate, the bolt and the tail gate rib plate are welded through electric arc welding. At present, generally, an operator holds the tail gate rib plate by hand to weld the joint of the bolt and the tail gate rib plate.

With respect to the related art in the above, the inventors consider that: along with the increase of the processing time, the operators are gradually tired, and the operators are difficult to stably hold the tail gate rib plate, so that the welding quality is influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve the stability among the tail-gate floor welding process, this application provides a positioning fixture is used in fastening nut welding of tail-gate floor.

The application provides a positioning fixture for the fastening nut welding of tail gate floor adopts following technical scheme:

the utility model provides a positioning fixture is used in fastening nut welding of tail-gate floor, includes the workstation, it has the groove of stepping down that is used for installing welding equipment to open on the workstation, be connected with two positioning mechanism on the workstation, two positioning mechanism sets up about the groove symmetry of stepping down, two one side that positioning mechanism deviates from mutually is equipped with all to slide and connects in the tight board that supports of workstation, be connected with the retaining member one that is used for locking to support tight board on the workstation, two support tight board and carry out the centre gripping to work piece width direction's both sides face, every positioning mechanism includes first locating component, second locating component, first locating component is used for bearing work piece, the centre gripping is carried out to work piece length direction's both sides face to second locating component cooperation first locating component.

Through adopting above-mentioned technical scheme, place the work piece on positioning mechanism, two positioning mechanism carry out centre gripping and location to work piece length direction's both sides face, two support tight board and carry out centre gripping and location to work piece width direction's both sides face, improve the stability of work piece in welding process.

Optionally, the first positioning assembly comprises a base connected to the workbench and a bearing block connected to the base, the bearing block is located above the base, and a limiting strip is fixedly connected to the bearing block.

Through adopting above-mentioned technical scheme, base and bearing piece mutually support, carry out the bearing to the work piece, highly fixing a position the work piece simultaneously.

Optionally, the second locating component comprises a limiting plate which is vertically arranged, and a second mounting plate which is connected to one side of the limiting strip and deviates from the limiting plate, the second mounting plate is slidably connected to the workbench, the sliding direction of the second mounting plate is parallel to the width direction of the workpiece, and a second locking part for locking the second mounting plate is connected to the workbench.

Through adopting above-mentioned technical scheme, limiting plate and spacing strip clamp work piece length direction's lateral wall, fix a position the work piece, have improved the stability of centre gripping to the precision of processing has been improved.

Optionally, the first positioning assembly is provided with a plurality of groups along the length direction of the workpiece, and the second positioning assembly is provided with a plurality of groups along the length direction of the workpiece.

Through adopting above-mentioned technical scheme, the stability of work piece centre gripping has further been improved to the setting of the first locating component of multiunit and second locating component.

Optionally, threaded connection has the screw rod on the base, the cooperation of sliding vertically of bearing block and screw rod, the cover is equipped with the elastic component on the screw rod, the bearing block is contradicted to the one end of elastic component, and the base is contradicted to the other end.

By adopting the technical scheme, when welding, the workpiece is vibrated, and the elastic piece is used for damping the workpiece, so that the stability of the workpiece is improved.

Optionally, the bearing block is connected with a vertically arranged guide pillar, and the guide pillar is slidably inserted into the base.

Through adopting above-mentioned technical scheme, the guide pillar provides the direction to the motion of bearing piece, has reduced the bearing piece and has produced the inclined possibility in the motion process.

Optionally, be provided with a plurality of locators on the workstation, it is a plurality of the locator sets up along the length direction of work piece, the top of locator is used for conflicting the lower surface of work piece.

By adopting the technical scheme, the positioner measures the position of the placed workpiece, so that the accuracy of the position of the workpiece is improved, and the welding quality is improved.

Optionally, the limiting plate is detachably connected with a supporting sheet for supporting the workpiece, and the supporting sheet has certain elasticity.

Through adopting above-mentioned technical scheme, the bearing piece carries out further bearing and shock attenuation to the work piece, has improved the stability of work piece in the course of working.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the workpiece is placed on the positioning mechanisms, the two positioning mechanisms clamp and position two side surfaces of the workpiece in the length direction, the two abutting plates clamp and position two side surfaces of the workpiece in the width direction, the workpiece is clamped, and the stability of the workpiece in the welding process is improved;

2. the positioner measures the position of the placed workpiece, so that the accuracy of the position of the workpiece is improved, and the welding quality is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a first positioning assembly according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a holding plate according to an embodiment of the present application.

FIG. 4 is a cross-sectional view of a support block of an embodiment of the present application.

FIG. 5 is a schematic structural diagram of a second positioning assembly according to an embodiment of the present application.

Fig. 6 is a schematic structural diagram of a positioner according to an embodiment of the present application.

Description of reference numerals:

1. a work table; 101. a yielding groove; 102. adjusting a first bolt; 103. adjusting a second bolt; 104. adjusting a third bolt; 2. a positioning mechanism; 3. a propping plate; 301. a first buffer pad; 4. a first mounting plate; 401. a first adjusting groove; 5. a first positioning assembly; 501. a base; 5011. a connecting plate; 5012. a screw; 5013. a limiting cap; 502. a bearing block; 5021. a limiting strip; 5022. a countersunk hole; 5023. a guide post; 503. a guide sleeve; 6. a second positioning assembly; 601. a limiting plate; 602. a second mounting plate; 6021. a second adjusting groove; 6022. a second buffer pad; 7. an elastic member; 8. a support sheet; 9. a mounting seat; 901. a positioner; 902. mounting a third plate; 9021. and a third adjusting groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses positioning fixture is used in fastening nut welding of tail-gate floor. Referring to fig. 1, the positioning fixture for welding the fastening nut of the tail door rib plate comprises a workbench 1, wherein a yielding groove 101 is formed in the side wall of the long edge of the workbench 1. The upper surface of the workbench 1 is connected with two positioning mechanisms 2, and the two positioning mechanisms 2 are arranged in a mirror image mode about the abdicating groove 101.

Referring to fig. 1 and 2, one side that two positioning mechanism 2 deviate from mutually all is equipped with the tight board 3 of supporting of vertical setting, and two are supported tight board 3 and all are on a parallel with the lateral wall setting of workstation 1 broadside department, and slide and connect in the upper surface of workstation 1. Two ones that support tight board 3 and deviate from mutually all the shaping have a mounting panel 4, have seted up an adjusting groove 401 along the length direction of workstation 1 on the mounting panel 4. The first adjusting groove 401 is a waist-shaped groove, and two adjusting grooves are arranged on the first mounting plate 4 side by side.

Referring to fig. 1 and 2, a vertically arranged first locking member is connected to the workbench 1, the first locking member is a first adjusting bolt 102, the first adjusting bolt 102 is located in a first adjusting groove 401, and the first adjusting bolt 102 and the first adjusting groove 401 are arranged in a one-to-one correspondence manner. The top end of the first adjusting bolt 102 is tightly pressed on the upper surface of the first mounting plate 4, and the bottom of the first adjusting bolt 102 is in threaded connection with the workbench 1.

When the workpiece clamping device works, a workpiece is placed on the positioning mechanisms 2, and the two side faces of the workpiece in the length direction are clamped and positioned by the two positioning mechanisms 2. In addition, the first adjusting bolts 102 are loosened, the abutting plates 3 are slid until the two abutting plates 3 clamp the workpiece, the first adjusting bolts 102 are screwed, two side faces of the workpiece in the width direction are clamped and positioned, the clamping stability of the workpiece in the welding process is improved, and meanwhile, manpower is saved.

Referring to fig. 2, in order to reduce the abrasion of the clamping plates 3 to the workpiece during clamping, the opposite side walls of the two clamping plates 3 are both glued with the first buffer pads 301, and the first buffer pads 301 are rubber pads. The rubber pad has good flexibility, so that the abutting plate 3 is in flexible contact with the workpiece, and the possibility of abrasion of the workpiece is reduced.

Referring to fig. 1, the two positioning mechanisms 2 have the same structure, and only one positioning mechanism 2 will be described as an example. The positioning mechanism 2 comprises a first positioning component 5 and a second positioning component 6, and the second positioning component 6 is positioned on one side of the first positioning component 5, which faces away from the receding groove 101. In this embodiment, three sets of first positioning members 5 are provided along the length direction of the table 1. And the second positioning assemblies 6 are arranged in two groups along the length direction of the workbench 1.

Referring to fig. 1 and 3, the first positioning member 5 includes a base 501 and a holding block 502, and connecting plates 5011 are formed on the bottoms of the two opposite side walls of the base 501. The connecting plate 5011 is provided in parallel to the width direction of the table 1, and the connecting plate 5011 is connected to the upper surface of the table 1 by bolts. The bearing block 502 is located directly over the base 501, and a side of the upper surface of the bearing block 502 is connected with a limit strip 5021 through a bolt, and the length direction of the limit strip 5021 is the same as the length direction of the workbench 1.

Referring to fig. 4, a vertically arranged screw 5012 is rotatably connected to the base 501, and the screw 5012 is located in the middle of the base 501. The screw 5012 penetrates through the bearing block 502, the bearing block 502 is matched with the screw 5012 in a sliding mode, and the top end of the screw 5012 is integrally formed with a limiting cap 5013.

Referring to fig. 4, a counter bore 5022 is formed in the upper surface of the bearing block 502, and the limiting cap 5013 is located in the counter bore 5022 and is in sliding fit with the bore wall of the counter bore 5022. The screw 5012 is sleeved with an elastic member 7, in this embodiment, the elastic member 7 is a compression spring, a top end of the compression spring abuts against a lower surface of the supporting block 502, and a bottom end of the compression spring abuts against an upper surface of the base 501.

During operation, a workpiece is placed on the bearing block 502, and the bearing block 502 is matched with the base 501, so that the workpiece is supported. In addition, the workpiece vibrates during welding, the pressure spring elastically deforms, vibration generated during welding is buffered, and stability during welding is further improved.

Referring to figure 4, the shoe block 502 moves vertically when the compression spring is elastically deformed, in order to provide a guide for the movement of the shoe block 502. Two vertically arranged guide columns 5023 are connected to the bearing block 502 through bolts, and the two guide columns 5023 are symmetrically arranged about the axis of the screw 5012. A guide sleeve 503 is fixedly embedded on the base 501, and the bottom ends of the two guide columns 5023 are slidably inserted into the guide sleeve 503.

Referring to fig. 1 and 5, second locating component 6 includes two limiting plates 601 and mounting panels 602, and two vertical settings of limiting plate 601, and be on a parallel with the length direction of workstation 1, two 602 integrated into one piece of mounting panel deviate from the lateral wall of base 501 in limiting plate 601, and two 602 sliding connections of mounting panel are in the upper surface of workstation 1.

Referring to fig. 1 and 5, the second mounting plate 602 is provided with two adjusting grooves 6021 along the width direction of the table 1, the second adjusting grooves 6021 are waist-shaped grooves, and two adjusting grooves are arranged on the second mounting plate 602 in parallel. The workbench 1 is connected with a vertically arranged locking part II, the locking part I is an adjusting bolt II 103, the adjusting bolt II 103 is positioned in an adjusting groove II 6021, and the adjusting groove II 6021 and the adjusting bolt II 103 are arranged in a one-to-one correspondence mode. The top of the first adjusting bolt 102 is pressed on the upper surface of the second mounting plate 602, and the bottom of the second adjusting bolt 103 is in threaded connection with the workbench 1.

After the workpiece is placed on the bearing block 502, the second adjusting bolt 103 is unscrewed, the second mounting plate 602 slides to a required position, finally, the second adjusting bolt 103 is screwed, and at the moment, the second mounting plate 602 is matched with the limiting strip 5021 to clamp and position two side faces of the workpiece in the length direction.

Referring to fig. 1 and 5, due to the long length of the workpiece, further support and shock absorption are provided to the workpiece in order to improve the stability of the workpiece. In the second locating component 6 close to the groove 101 of stepping down, there is bearing piece 8 on a limiting plate 601 far away from the groove 101 of stepping down through bolted connection, and the lower surface of work piece is contradicted to the upper surface of bearing piece 8, provides the bearing for the work piece, and bearing piece 8 has certain elasticity.

Referring to fig. 1 and 5, in order to further reduce the abrasion to the workpiece during clamping, a second cushion 6022 is glued on the side wall of the second mounting plate 602 facing the support block 502, and the second cushion 6022 is a rubber pad. The rubber pad has good flexibility, so that the second mounting plate 602 is in flexible contact with the workpiece, and the possibility of abrasion of the workpiece is reduced.

Referring to fig. 1, an installation seat 9 is connected to the upper surface of the workbench 1, a vertically arranged locator 901 is fixedly connected to the installation seat 9, and the top end of the locator 901 abuts against the lower surface of the workpiece. In this embodiment, four positioners 901 are provided along the longitudinal direction of the table 1.

Referring to fig. 1 and 6, in order to facilitate the locator 9 to abut against the workpiece, a third mounting plate 902 is integrally formed on the side wall of the mounting base 9, a third adjusting slot 9021 is formed in the third mounting plate 902 along the width direction of the workbench 1, the third adjusting slot 9021 is a waist-shaped slot, and two mounting plates 902 are arranged side by side.

Referring to fig. 1 and 6, a vertically arranged locking member III is connected to the workbench 1, the locking member III is an adjusting bolt III 104, the adjusting bolt III 104 is located in an adjusting groove III 9021, and the adjusting bolt III and the adjusting groove III are arranged in a one-to-one correspondence manner. The top of the third adjusting bolt 104 is pressed on the upper surface of the third mounting plate 902, and the bottom of the second adjusting bolt 103 is in threaded connection with the workbench 1.

And the third adjusting bolt 104 is unscrewed, the third mounting plate 902 is slid to a required position, the positioner 901 props against the workpiece when the device is used, and when the workpiece is not placed in place, the positioner 901 gives an alarm, so that the accuracy of the workpiece is further improved.

The implementation principle of the positioning clamp for welding the fastening nut of the tail gate rib plate in the embodiment of the application is as follows: an operator firstly places a workpiece on the bearing block 502, then the first adjusting bolt 102 and the second adjusting bolt 103 are loosened, the abutting plates 3 slide until the two abutting plates 3 clamp two side faces in the width direction of the workpiece, and in addition, the second mounting plates 602 slide until the second mounting plates 602 are matched with the limiting strips 5021 to clamp two side faces in the length direction of the workpiece. Finally, the first adjusting bolt 102 and the second adjusting bolt 103 are screwed down, so that stable clamping of the workpiece is realized, the clamping stability of the workpiece in the welding process is improved, and meanwhile, the labor is saved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a positioning fixture is used in fastening nut welding of tail-gate floor, includes workstation (1), it has groove of stepping down (101) that are used for installing welding equipment to open on workstation (1), its characterized in that: be connected with two positioning mechanism (2) on workstation (1), two positioning mechanism (2) set up about stepping down groove (101) symmetry, two one side that positioning mechanism (2) deviate from mutually is established and is all slided and connect in tight board (3) of supporting of workstation (1), be connected with the retaining member one that is used for locking to support tight board (3) on workstation (1), two support tight board (3) and carry out the centre gripping to work piece width direction's both sides face, every positioning mechanism (2) include first locating component (5), second locating component (6), first locating component (5) are used for bearing the work piece, second locating component (6) cooperate first locating component (5) to carry out the centre gripping to work piece length direction's both sides face.

2. The positioning jig for welding the fastening nut of the tail gate rib plate according to claim 1, characterized in that: first locating component (5) including connect in base (501) of workstation (1), connect in bearing piece (502) of base (501), bearing piece (502) are located base (501) top, fixedly connected with spacing (5021) on bearing piece (502).

3. The positioning jig for welding the fastening nut of the tail gate rib plate as claimed in claim 2, wherein: second locating component (6) including limiting plate (601) of vertical setting, connect mounting panel two (602) in spacing (5021) one side that limiting plate (601) deviate from, mounting panel two (602) slide and connect in workstation (1), the direction of sliding of mounting panel two (602) is on a parallel with the width direction of work piece, be connected with retaining member two that is used for locking mounting panel two (602) on workstation (1).

4. The positioning jig for welding the fastening nut of the tail gate rib plate according to claim 1, characterized in that: the first positioning assembly (5) is provided with a plurality of groups along the length direction of the workpiece, and the second positioning assembly (6) is provided with a plurality of groups along the length direction of the workpiece.

5. The positioning jig for welding the fastening nut of the tail gate rib plate as claimed in claim 2, wherein: threaded connection has screw rod (5012) on base (501), bearing block (502) and screw rod (5012) vertical cooperation of sliding, the cover is equipped with elastic component (7) on screw rod (5012), bearing block (502) are contradicted to the one end of elastic component (7), and base (501) are contradicted to the other end.

6. The positioning jig for welding the fastening nut of the tail gate rib plate as claimed in claim 2, wherein: the bearing block (502) is connected with a guide pillar (5023) which is vertically arranged, and the guide pillar (5023) is slidably inserted in the base (501).

7. The positioning jig for welding the fastening nut of the tail gate rib plate according to claim 1, characterized in that: the workbench (1) is provided with a plurality of locators (901), the locators (901) are arranged along the length direction of a workpiece, and the top ends of the locators (901) are used for abutting against the lower surface of the workpiece.

8. The positioning jig for welding the fastening nut of the tail gate rib plate as claimed in claim 3, wherein: the limiting plate (601) is detachably connected with a bearing sheet (8) used for bearing a workpiece, and the bearing sheet (8) has certain elasticity.

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