CN209503339U

CN209503339U - A kind of positioning fixture for welding

Info

Publication number: CN209503339U
Application number: CN201822232814.4U
Authority: CN
Inventors: 曹贺; 钟吉
Original assignee: Changchun Jie Ke Automobile Craft Equipment Co Ltd
Current assignee: Changchun Jie Ke Automobile Craft Equipment Co Ltd
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2019-10-18
Anticipated expiration: 2028-12-28

Abstract

The utility model discloses a kind of positioning fixture for welding, belong to auto welding jig technical field, for solving when the forward and backward wheel position side vertical direction of welding floor assembly compresses sheet metal component, anchor point it is too high or too low influence welding quality the technical issues of, the pilum of the utility model setting, side is formed with workpiece rest area；Support base, the pilum are disposed with multiple support bases, form multiple anchor points, and adjust relative position by slipping mechanism along the pilum length direction between the support base, and the support base side is contacted far from the pilum end with workpiece inner surface；Briquetting is oppositely disposed in above the support base of workpiece outer surface and workpiece is pressed on the support base, and the utility model realizes multipoint positioning, compresses, and improves welding quality, and structure is simple, facilitates manufacture.

Description

A kind of positioning fixture for welding

Technical field

The utility model relates to auto welding jig technical field more particularly to a kind of positioning fixture for welding.

Background technique

For welding of automotive floor assembly, guarantee welding precision, often by the preceding floor of automotive floor panel assembly, rear floor, vertical The sheet metal components such as beam are placed on dedicated welding positioning table, and welding positioning table is made of multiple welding fixtures；

When welding the sheet metal component at the forward and backward wheel position of floor assembly, among wheel arcuate structure and floor assembly There are differences in height for horizontal segment floor sheet metal component, therefore, when carrying out positioning compression to the sheet metal component at wheel position, cannot using it is upper, Lower horizontal location compresses, and positioning compression, when side positions, vertical direction, if anchor point can only be carried out from the side of sheet metal component Select too low, the sheet metal component of anchor point upper end will be tilted to side or warpage, the high metal plate of anchor point lower end of anchor point selection Golden part will be tilted to side or warpage, and anchor point selection is intermediate, sheet metal component both ends will warpage, influence welding quality.

Utility model content

The purpose of the utility model is to overcome defect of the existing technology, a kind of multipoint positioning, compression are provided, weldering is improved Connect the positioning fixture for welding of quality.

To achieve the goals above, the utility model provides the following technical solutions:

A kind of positioning fixture for welding disclosed by the utility model, comprising:

Pilum；

Support base, the pilum are disposed with multiple support bases, form multiple anchor points, and between the support base Relative position is adjusted by slipping mechanism along the pilum length direction, the support base side is far from the pilum end and workpiece Inner surface contact；

Briquetting contacts with workpiece outer surface and workpiece is pressed on the support base.

Further, the slipping mechanism include be formed in along pilum length direction side slideway and with institute State the connected sliding block of support base；

The slipping mechanism further includes the locking device that can lock the slide position.

Further, the locking device include the multiple lockholes being provided on the slideway bottom wall and with the cunning The adjusting bolt of block gap cooperation, the adjusting bolt is threadedly coupled with the lockhole can be by the slider locks in institute State slideway any position.

Further, the slideway extends to the other end from described pilum one end, and there are two for limiting for the slideway formation Make the obliquely side wall that the sliding block is displaced in the horizontal direction in perpendicular to the pilum.

Further, the support base is hinged with hand clamp, the hand clamp rotation by shaft far from work end Engagingly workpiece is pressed on support base by limiting device afterwards.

Further, the hand clamp includes handle and pressure arm；

The pressure arm, for one end by the shaft and the support seat hinge, the other end is fixed with the briquetting, institute Pressure arm and the shaft connecting pin is stated to rotate equipped with the driving pressure arm and force in the hand of the briquetting workpiece pressing Handle.

Further, the limiting device includes the limit concave block being connected on the pressure arm and is connected in the support base On spacing block set, the limit concave block engages the limitation pressure arm upper and lower displacement with the spacing block set.

Further, the pilum is inverted L shape column structure, and bottom end is connected by substrate and welding platform.

In the above-mentioned technical solutions, a kind of positioning fixture for welding provided by the utility model, the utility model has the advantages that

1, the pilum of the utility model design, pilum top are fixed with the first support base, and pilum side passes through slipping mechanism It is fixed with the second support base, stationary anchor points are formed by the first support base, the second support base forms movement by slipping mechanism Anchor point, stationary anchor points and the pairs of workpiece multipoint positioning of activity orientation dot, hand clamp compress anchor point, meet Workpiece weld when short transverse, different location the welding demand of workpiece pressing, improve welding quality.

2, the limiting device of the utility model design, limiting device includes limiting concave block and spacing block set, recessed by limiting Mouthful opposite with spacing block set to engage, limitation pressure arm upper and lower displacement makes the briquetting of pressure arm one end accurately be pressed on the of support base In one supporting block or the second supporting block, the accuracy of briquetting compacted position ensure that, positioning is reliable, further improves welding matter Amount.

Detailed description of the invention

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only to record in the utility model Some embodiments be also possible to obtain other drawings based on these drawings for those of ordinary skill in the art.

Fig. 1 is a kind of overall structure diagram of positioning fixture for welding disclosed by the utility model；

Fig. 2 is a kind of pilum main view of positioning fixture for welding disclosed by the utility model；

Fig. 3 is a kind of positioning fixture for welding pilum cross-sectional view disclosed by the utility model.

Description of symbols:

10, pilum；11, workpiece rest area；12, substrate；13, slideway；14, sliding block；15, locking device；16, lockhole；17, Adjust bolt；18, limiting device；19, concave block is limited；20, spacing block set；21, the first support base；22, the first supporting block；23, Second support base；24, the second supporting block；25a, 25b, hand clamp；26, pressure arm；27 briquettings；28, handle.

Specific embodiment

In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with attached drawing pair The utility model is further detailed.

It is shown in Figure 1；

A kind of positioning fixture for welding of utility model, comprising:

Pilum 10；

Support base, pilum 10 are disposed with multiple support bases, form multiple anchor points, and along described between the support base 10 length direction of pilum adjusts relative position by slipping mechanism, and support base side connects far from 10 end of pilum with workpiece inner surface Touching；

Briquetting 27 contacts with workpiece outer surface and workpiece is pressed on the support base.

Specifically, shown in Figure 2, pilum 10 is inverted L shape column structure, and bottom end is flat by substrate 12 and welding Platform is connected.Shown in Figure 1,10 side of pilum is formed with workpiece rest area 11；

Support base includes at least two support bases, the first support base 21 and the second support base 23, and 10 top of pilum is fixed with First support base 21,21 side of the first support base are fixed with far from 10 end of pilum and contact the first supporting block with workpiece inner surface 22, the first anchor point is formed, 10 side of pilum is connected by slipping mechanism and the second support base 23, and 23 side of the second support base is remote It is fixed with from 10 end of pilum and contacts the second supporting block 24 with workpiece inner surface, form the second anchor point, and the first anchor point It is located at workpiece outer surface with the second anchor point and corresponds to a briquetting 27, is used for workpiece pressing, passes through 21 shape of the first support base The spacing landform between the first support base 21 can be adjusted by slipping mechanism at stationary anchor points and the second support base 23 At mobile positioning point, hand clamp manual compression, with meeting short transverse when workpiece welds, the different location welding of workpiece pressing Demand improves welding quality.

It is shown in Figure 1:

Preferably, slipping mechanism includes being formed in along the slideway 13 of 10 length direction side of pilum and consolidating with support base Sliding block 14 even；Slipping mechanism further includes the locking device 15 for capableing of 14 position of lock slider.Preferably, slideway 13 is from pilum 10 One end extends to the other end, and there are two for limiting what sliding block 14 was displaced in the horizontal direction in perpendicular to 10 ground of pilum for the formation of slideway 13 Obliquely side wall.Shown in Figure 3, the opposite opening width that formed of two sloped sidewalls of slideway 13 is less than the wide dovetail groove of bottom wall Shape slideway, two sloped sidewalls are displaced in the horizontal direction in for limiting sliding block 14.

Ginseng as shown in FIGS. 1 and 2:

Preferably, locking device 15 include multiple lockholes 16 for being provided on 13 bottom wall of slideway and with 14 gap of sliding block The adjusting bolt 17 of cooperation, adjusting bolt 17 is threadedly coupled with lockhole 16 can be locked in sliding block 14 13 any position of slideway.

It is shown in Figure 2, multiple lockholes 16 are offered along slideway length direction on 13 bottom wall of slideway, lockhole 16 is screw thread Hole, and be threadedly coupled with bolt 17 is adjusted, sliding block 14 is provided with the through-hole with adjusting 17 clearance fit of bolt, convenient for adjusting bolt 17 Through sliding block 14, sliding block 14 can be fixed on slideway 13 when adjusting bolt 17 and being threadedly coupled with any one lockhole 16 and appointed Meaning position, 14 side of sliding block and the second support base 23 are connected, meanwhile, lock 23 position of the second support base.

It is shown in Figure 1:

Preferably, support base is hinged with hand clamp 25a, 25b, hand clamp 25a, 25b by shaft far from work end Engagingly workpiece is pressed on support base by limiting device 18 after rotation.

Preferably, hand clamp 25a, 25b includes handle 28 and pressure arm 26；

Pressure arm 26, for one end by shaft and support seat hinge, the other end is fixed with briquetting 27, and pressure arm 26 and shaft connect End is connect to rotate equipped with driving pressure arm 26 and force in the handle 28 of 27 workpiece pressing of briquetting.

Specifically, shown in Figure 1, the first support base 21 is hinged with hand clamp 25a by shaft far from work end, the Two support bases 23 are hinged with hand clamp 25b by shaft far from work end；

Handle 28 is pulled, handle 28 drives pressure arm 26 to drive briquetting 27 towards the first supporting block 22 or the second on support base Supporting block 24 is rotated and is pressed on workpiece outer surface；

Hand clamp 25a forms workpiece pressing on the first anchor point, hand clamp in the first supporting block 22 by briquetting 27 25b forms workpiece pressing on the second anchor point in the second supporting block 24 by briquetting 27.

It is shown in Figure 1:

Preferably, limiting device 18 includes the limit concave block 19 being connected on pressure arm 26 and the limit being connected on support base Convex block 20, limit concave block 19 engage limitation 26 upper and lower displacement of pressure arm with spacing block set 20.

Specifically, limiting device 18 includes that limit concave block 19 and spacing block set 20, limit notch 19 are connected on pressure arm 26, Spacing block set 20 is connected on support base, and after pressure arm 26 rotates, limit notch 19 is opposite with spacing block set 20 to be engaged, and limits pressure arm 26 upper and lower displacements make the briquetting 27 of 26 one end of pressure arm accurately be pressed in the first supporting block 22 or the second supporting block 24 of support base On, it ensure that the accuracy of 27 compacted position of briquetting, positioning is reliable, further improves welding quality.

It is above that certain exemplary embodiments of the utility model are only described by way of explanation, undoubtedly, for Those skilled in the art can be with a variety of different without departing from the spirit and scope of the utility model Mode is modified described embodiment.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as Limitation to the utility model claims protection scope.

Claims

1. a kind of positioning fixture for welding characterized by comprising

Pilum (10)；

Support base, the pilum (10) are disposed with multiple support bases, form multiple anchor points, and between the support base Relative position is adjusted by slipping mechanism along the pilum (10) length direction, the support base side is far from the pilum (10) End is contacted with workpiece inner surface；

Briquetting (27) contacts with workpiece outer surface and workpiece is pressed on the support base.

2. a kind of positioning fixture for welding according to claim 1, which is characterized in that the slipping mechanism includes being formed in edge The slideway (13) of pilum (10) the length direction side and the sliding block (14) being connected with the support base；

The slipping mechanism further includes the locking device (15) that can lock the sliding block (14) position.

3. a kind of positioning fixture for welding according to claim 2, which is characterized in that the locking device (15) includes opening up Multiple lockholes (16) on the slideway (13) bottom wall and the adjusting bolt (17) with the sliding block (14) clearance fit, The adjusting bolt (17) is threadedly coupled with the lockhole (16) can be locked in the sliding block (14) slideway (13) times Meaning position.

4. a kind of positioning fixture for welding according to claim 2, which is characterized in that the slideway (13) is from the pilum (10) one end extends to the other end, and there are two for limiting the sliding block (14) perpendicular to the pilum for slideway (13) formation (10) the obliquely side wall being displaced in the horizontal direction in.

5. a kind of positioning fixture for welding according to claim 1, which is characterized in that the support base passes through far from work end Shaft is hinged with hand clamp (25a, 25b), after hand clamp (the 25a, 25b) rotation engagingly by limiting device (18) Workpiece is pressed on support base.

6. a kind of positioning fixture for welding according to claim 5, which is characterized in that hand clamp (the 25a, 25b) packet Include handle (28) and pressure arm (26)；

The pressure arm (26), for one end by the shaft and the support seat hinge, the other end is fixed with the briquetting (27), the pressure arm (26) and the shaft connecting pin rotate equipped with the driving pressure arm (26) and force in the briquetting (27) handle (28) of workpiece pressing.

7. a kind of positioning fixture for welding according to claim 6, which is characterized in that the limiting device (18) includes being connected Limit concave block (19) on the pressure arm (26) and the spacing block set (20) being connected on the support base, the limit concave block (19) limitation pressure arm (26) upper and lower displacement is engaged with the spacing block set (20).

8. a kind of positioning fixture for welding according to claim 1, which is characterized in that the pilum (10) is inverted L shape Column structure, bottom end are connected by substrate (12) and welding platform.