CN210413223U

CN210413223U - Combined tool for welding fixture and measuring support

Info

Publication number: CN210413223U
Application number: CN201921109053.1U
Authority: CN
Inventors: 钱其林; 钱怡楠; 税国静
Original assignee: Shanghai Shishu Automotive Engineering Technology Co ltd
Current assignee: Shanghai Shishu Automotive Engineering Technology Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-28
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a welding jig and measure combination formula frock that holds in palm, hold in the palm including welding jig and measurement, the welding jig assembly is on basic riser, welding jig passes through basic riser to be fixed on measuring the base, it installs on welding jig to measure to hold in the palm, it holds in the palm including measuring benchmark round pin and/or measurement reference surface to measure, be equipped with welding benchmark round pin and/or welding reference surface on the welding jig, it locks through fixed knot structure with measurement reference surface to measure benchmark round pin. The utility model discloses the combination of welding jig and measurement support realizes data measurement, avoids using the welding jig as the over-positioning phenomenon of measurement support, and the true precision under the objective reflection free state; a special measuring support does not need to be independently developed, so that the total development cost and the total development period of the clamp and the measuring support are reduced; the device can be used universally among various vehicle types, and has strong applicability and low cost.

Description

Combined tool for welding fixture and measuring support

Technical Field

The utility model relates to a measure the frock, especially relate to a welding jig and measure combination formula frock that holds in palm.

Background

In the prototype manufacturing industry, the trial manufacturing is itself to verify the feasibility of the process or solution in mass production, and thus the requirements for the body dimensions are consistent with those of mass production. Hole site profile size data needs to be collected using three coordinates for accuracy analysis after each assembly is welded.

In the existing sample car trial-manufacturing enterprises, a mode of directly using a welding fixture as an assembly measuring support or developing a special measuring support is generally adopted. The welding fixture is used as a measuring support, the welded assembly is repositioned on the welding fixture, and three-coordinate acquisition of dimension information is used, but the method cannot objectively reflect the real precision in a free state, so that the phenomenon that the assembly is difficult to be matched with other assemblies when being delivered to a client is sometimes caused. This measurement is therefore increasingly unacceptable to the customer. The special measuring support for development is used for positioning welding assemblies, but the trial production of the sample vehicle is small in batch, generally has about 50 sets of output, is high in cost and long in period, and is different from the high efficiency and economy required by trial production of the sample vehicle, and is not cost-effective. Therefore, a flexible measurement support is developed, but a flexible shared part is only a small part of components such as an upright post and a BASE plate, a mould block and a positioning component which are in direct contact with a sheet metal still need to be newly developed, and the defects that the models cannot be completely shared exist. Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a combination formula frock that welding jig and measurement held in the palm is provided, can avoid using the welding jig as the measurement to hold in the palm the location phenomenon of crossing, the real precision under the objective reflection free state need not independent development special use simultaneously and measures and hold in the palm, reduces anchor clamps and measures and hold in the palm development total cost and total development cycle.

The utility model discloses a solve above-mentioned technical problem and the technical scheme who adopts provides a welding jig and measures combination formula frock that holds in palm, hold in the palm including welding jig and measurement, welding jig assembles on basic riser, welding jig passes through basic riser to be fixed on measuring the base, it installs on welding jig to measure to hold in the palm, it holds in the palm including measuring benchmark round pin and/or measuring reference surface to measure, last welding benchmark round pin and/or the welding reference surface of being equipped with of welding jig, measuring benchmark round pin and measuring reference surface and passing through fixed knot and construct the locking, welding benchmark round pin and welding reference surface are through the locking of quick locking structure via welding jig.

Further, the measuring base is rectangular, the upper surface of the measuring base is a fixed surface, a plurality of fixing holes are formed in the fixed surface, and the fixing holes are formed in the fixed surface at equal intervals in the longitudinal direction and the transverse direction.

Further, the base vertical plate comprises a vertical end and a horizontal end, the horizontal end is fixed on the measuring base through a base connecting plate, and the base connecting plate is provided with a connecting hole matched with the fixing hole of the measuring base.

Further, the measuring reference pin and the measuring reference surface are fixedly locked through a bolt, and the welding reference pin and the welding reference surface are locked through a welding fixture through a quick clamp or a T-shaped pin.

Further, welding jig includes longeron welding jig before the engine compartment, longeron welding jig before the engine compartment includes first welding unit, first welding unit is including welding riser and pressure arm, the pressure arm is L shape, the pressure arm is two sets of, and is two sets of the pressure arm passes through the connection at the welding riser middle part of gyration round pin axle symmetry at the tip of minor face, be equipped with T shape round pin on the long limit of pressure arm, the pressure arm passes through T shape round pin locking on welding the riser, the welding riser is fixed on basic riser.

Furthermore, the pressure arm and the welding vertical plate are positioned through a limiting block, the limiting block comprises a pressure arm limiting block and a vertical plate limiting block, the vertical plate limiting block is fixed on the side face of the upper portion of the welding vertical plate, and the pressure arm limiting block is fixed on the inner side of the pressure arm and is arranged opposite to the vertical plate limiting block.

Furthermore, a welding reference pin is fixed on the pressure arm through a pin boss, and the pin boss is an adjusting pin boss which can be adjusted back and forth and up and down; and a welding reference surface is arranged on the inner side of the top of the pressure arm.

Furthermore, the top of the welding vertical plate is provided with an adjusting pin seat which is a three-way adjusting pin seat capable of being adjusted front and back, left and right, and up and down, and a measuring reference pin is fixed on the adjusting pin seat.

The utility model discloses contrast prior art has following beneficial effect: the utility model provides a combined tool of a welding fixture and a measuring support, the combination of the welding fixture and the measuring support realizes data measurement, avoids using the welding fixture as the over-positioning phenomenon of the measuring support, and objectively reflects the real precision in a free state; a special measuring support does not need to be independently developed, so that the total development cost and the total development period of the clamp and the measuring support are reduced; the device can be used universally among various vehicle types, and has strong applicability and low cost.

Drawings

Fig. 1 is a schematic structural view of a combined tool of a welding fixture and a measuring bracket according to an embodiment of the present invention;

fig. 2 is a structural diagram of a welding state of a first welding unit according to an embodiment of the present invention;

fig. 3 is a structural schematic diagram of a measurement state of the first welding unit according to an embodiment of the present invention.

In the figure:

1 welding jig 2 measures 3 basic risers of support

4 first welding unit of basic connecting plate 5 measuring base 11

102 press arm 103 pin boss 104 welding reference pin

106T-shaped pin 107 vertical plate limiting block 108 arm pressing limiting block

Reference pin for measuring reference plane 301 of 109 rotating pin shaft 201

302 adjusting pin seat 401 welding vertical plate

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, wherein the example is described with reference to a front longitudinal beam welding assembly of an engine compartment, but the idea is not limited to the front longitudinal beam welding assembly of the engine compartment.

Fig. 1 is a schematic structural view of a combined tool of a welding fixture and a measuring support according to an embodiment of the present invention.

Please refer to fig. 1, the utility model discloses a combined fixture of welding jig and measurement rest, including welding jig 1 and measurement rest 2, welding jig 1 assembles on basic riser 3, welding jig 1 fixes on measuring base 5 through basic riser 3, measurement rest 2 installs on welding jig 1, measurement rest 2 includes measurement benchmark pin and/or measurement reference surface, be equipped with welding benchmark pin and/or welding reference surface on welding jig 1, welding benchmark pin and measurement reference surface are locked through fixed knot structure, welding benchmark pin and welding reference surface are locked through quick locking structure via welding jig 1.

Specifically, in the combined tool of the welding fixture and the measuring support of the embodiment of the present invention, the measuring base 5 is rectangular, the upper surface of the measuring base 5 is a fixed surface, the fixed surface is provided with a plurality of fixing holes, and the fixing holes are arranged on the fixed surface at equal intervals along the longitudinal direction and the transverse direction; the base vertical plate 3 comprises a vertical end and a horizontal end, the horizontal end is fixed on the measuring base 5 through a base connecting plate 4, and the base connecting plate 4 is provided with a connecting hole matched with the fixing hole of the measuring base 5. The measuring reference pin and the measuring reference surface are fixedly locked by a bolt, and the welding reference pin and the welding reference surface are locked by a quick clamp or a T-shaped pin through the welding fixture 1.

Please refer to fig. 2 simultaneously, the utility model discloses welding jig and the combination formula frock of measuring support, welding jig include engine compartment front longitudinal welding jig, and engine compartment front longitudinal welding jig includes first welding unit 11, and first welding unit 11 is including welding riser 401 and pressure arm 102, and pressure arm 102 is L shape, pressure arm 102 is two sets of, and two sets of pressure arm 102 are connected at welding riser 401 middle part through gyration round pin axle 109 symmetry at the tip of minor face, and pressure arm 102 is long to be equipped with T shape round pin 106, and pressure arm 102 locks on welding riser 401 through T shape round pin 106, and welding riser 401 is fixed on basic riser 3.

Please continue to refer to fig. 2, the utility model discloses welding jig and the combined tool who measures and support, press arm 102 and welding riser 401 to fix a position through the stopper within a definite time, the stopper is including pressing arm stopper 108 and riser stopper 107, riser stopper 107 is fixed in the side on welding riser 401 upper portion, presses arm stopper 108 to fix and sets up with riser stopper 107 is inboard at pressing arm 102. A welding reference pin 104 is fixed on the pressure arm 102 through a pin boss 103, and the pin boss 103 is an adjusting pin boss which can be adjusted back and forth and up and down; the welding reference surface 201 is installed on the inner side of the top of the pressure arm 102. An adjusting pin seat 302 is arranged at the top of the welding vertical plate 401, the adjusting pin seat 302 is a three-way adjusting pin seat which can be adjusted front and back, left and right, and up and down, and a measuring reference pin 301 is fixed on the adjusting pin seat 302.

With continued reference to fig. 2 and fig. 3, in the combined tool of the welding fixture and the measuring support according to the embodiment of the present invention, during welding, the T-shaped pin 106 is screwed to make the two sets of pressure arms 102 in the working position, so that the welding reference pin 104 and the welding reference surface 201 are both in the working position. The state reference is consistent with the MCP drawing required by the welding fixture, and the positioning reliability of the welding process can be ensured. When the assembly size information needs to be acquired after welding is completed, the state of the measuring support needs to be switched, namely the T-shaped pin 106 is opened, the two groups of pressure arms 102 rotate around the rotating pin shaft 109 to be in a free state, and the measuring reference pin 301 with the reference surface is directly installed on the 401 welding vertical plate through the adjusting pin base 302, so that the measuring reference pin 301 cannot be linked with the pressure arms 102 and still stays at a working position, the reliable positioning in the working state of the measuring support is ensured, and the over-positioning phenomenon does not exist. The remaining welding units are similar in structure to the first welding unit 11.

The utility model discloses welding jig and the combination formula frock that the measurement was held in the palm, all benchmarks set up to fixed and non-fixed according to welding jig 1 and the required RPS benchmark of measurement support 2 separately. All RPS references required by the measuring support 2 are fixed, so that the RPS references are conveniently distinguished from the RPS of the welding fixture 1 in the using process, the consistency between the positioning of the RPS references and the RPS drawing of the measuring support 2 is ensured, and when all the references are in a working state, the RPS references of the welding fixture 1 are consistent with the MCP drawing, and the welding reliability is ensured. When the size data of the assembly needs to be acquired after welding is completed, the tool does not need to be adjusted, only the non-fixed reference needs to be switched to an open state, only the RPS reference of the gauge on the measuring support 2 is in a working state, and all the other references are not in contact with the workpiece, so that over-positioning is avoided.

To sum up, the combined tool of the welding fixture and the measuring support of the embodiment of the present invention, the welding fixture 1 and the measuring support 2 are combined to realize data measurement, so as to avoid the over-positioning phenomenon of the welding fixture 1 as the measuring support, and objectively reflect the real precision in the free state; a special measuring support does not need to be independently developed, so that the total development cost and the total development period of the clamp and the measuring support are reduced; the device can be used universally among various vehicle types, and has strong applicability and low cost.

Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The combined tool for the welding fixture and the measuring support is characterized by comprising the welding fixture (1) and the measuring support (2), wherein the welding fixture (1) is assembled on a base vertical plate (3), the welding fixture (1) is fixed on a measuring base (5) through the base vertical plate (3), the measuring support (2) is installed on the welding fixture (1), the measuring support (2) comprises a measuring reference pin and/or a measuring reference surface, the welding fixture (1) is provided with the welding reference pin and/or the welding reference surface, the measuring reference pin and the measuring reference surface are locked through a fixing structure, and the welding reference pin and the welding reference surface are locked through a quick locking structure through the welding fixture (1).

2. The combined tooling for the welding fixture and the measuring bracket as recited in claim 1, wherein the measuring base (5) is rectangular, the upper surface of the measuring base (5) is a fixed surface, the fixed surface is provided with a plurality of fixing holes, and the fixing holes are arranged on the fixed surface at equal intervals along the longitudinal direction and the transverse direction.

3. The combined tooling for the welding fixture and the measuring bracket as set forth in claim 1, wherein the base vertical plate (3) comprises a vertical end and a horizontal end, the horizontal end is fixed on the measuring base (5) through a base connecting plate (4), and the base connecting plate (4) is provided with a connecting hole matched with the fixing hole of the measuring base (5).

4. A combined tool of a welding jig and a measuring bracket as set forth in claim 1, wherein the welding reference pin and the measuring reference surface are fixedly locked by bolts, and the welding reference pin and the welding reference surface are locked by a quick clamp or a T-pin via the welding jig (1).

5. The combined tooling for the welding fixture and the measuring lug according to claim 1, wherein the welding fixture comprises a welding fixture for a front longitudinal beam of the engine compartment, the welding fixture for the front longitudinal beam of the engine compartment comprises a first welding unit (11), the first welding unit (11) comprises a welding vertical plate (401) and two pressing arms (102), the pressing arms (102) are L-shaped, the pressing arms (102) are divided into two groups, the ends of the short sides of the two groups of pressing arms (102) are symmetrically connected to the middle of the welding vertical plate (401) through a rotating pin shaft (109), the long sides of the pressing arms (102) are provided with T-shaped pins (106), the pressing arms (102) are locked on the welding vertical plate (401) through the T-shaped pins (106), and the welding vertical plate (401) is fixed on a base vertical plate (3).

6. The combined tool of the welding fixture and the measuring bracket as recited in claim 5, wherein the press arm (102) and the welding vertical plate (401) are positioned by a limiting block, the limiting block comprises a press arm limiting block (108) and a vertical plate limiting block (107), the vertical plate limiting block (107) is fixed on the side surface of the upper portion of the welding vertical plate (401), and the press arm limiting block (108) is fixed on the inner side of the press arm (102) and is arranged opposite to the vertical plate limiting block (107).

7. The combined tooling for the welding fixture and the measuring bracket as set forth in claim 5, wherein the pressure arm (102) is fixed with a welding reference pin (104) through a pin seat (103), and the pin seat (103) is an adjusting pin seat adjustable back and forth and up and down; and a welding reference surface (201) is arranged on the inner side of the top of the pressure arm (102).

8. The combined tooling for the welding fixture and the measuring bracket according to claim 5, wherein the top of the welding vertical plate (401) is provided with an adjusting pin seat (302), the adjusting pin seat (302) is a three-way adjusting pin seat which can be adjusted back and forth, left and right, and up and down, and a measuring reference pin (301) is fixed on the adjusting pin seat (302).