Automobile welding clamp

Abstract

The utility model provides an automobile welding clamp which comprises a clamp base plate and a measuring auxiliary tool, and the clamp base plate and the measuring auxiliary tool are respectively of a flat plate structure. The upper surface of the clamp substrate is provided with a plurality of clamps, and the upper surface of the clamp substrate is also provided with a plurality of measurement reference holes. A connecting structure is arranged on one side of the upper surface of the clamp base plate, and a butt joint structure is arranged on one side of the upper surface of the auxiliary measuring tool. The auxiliary measuring tool is connected with the connecting structure of the clamp substrate through the butt joint structure, and the butt joint structure and the connecting structure can be detached. The upper surface of the auxiliary measuring tool is used for mounting a measuring machine; the automobile welding fixture provided by the utility model can realize on-site measurement of the welding fixture, and is economical, applicable, convenient and fast.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile welding fixtures, and in particular relates to an automobile welding fixture. Background Art

[0002] There is no space for a portable three-dimensional coordinate measuring machine to place a type of welding fixture in the existing automobile welding workshop. Usually, it is necessary to remove the wheels under the base plate of the fixture or use a jack to lift and stabilize the fixture, and then place the three-dimensional coordinate measuring machine on a solid object or fix it to a special three-dimensional coordinate measurement bracket before measuring the fixture; or the fixture needs to be moved to the three-dimensional coordinate measurement room and measured using a double cantilever measuring machine. This is very troublesome and there is the trouble of carrying it back and forth, and it also loses the meaning of on-site measurement of the body welding fixture.

[0003] Based on the technical problems existing in the above-mentioned welding fixture, there is no relevant solution yet; therefore, it is urgent to find an effective solution to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to solve the deficiencies in the above-mentioned technology and propose an automobile welding fixture, aiming to solve the problems of installation and measurement of the existing welding fixture.

[0005] The utility model provides an automobile welding fixture, which comprises a fixture base plate and a measuring auxiliary tool, wherein the fixture base plate and the measuring auxiliary tool are respectively flat plate structures; a plurality of fixtures are arranged on the upper surface of the fixture base plate, and a plurality of measuring reference holes are also arranged on the upper surface of the fixture base plate; a connecting structure is arranged on one side of the upper surface of the fixture base plate, and a docking structure is arranged on one side of the upper surface of the measuring auxiliary tool; the measuring auxiliary tool is connected with the connecting structure of the fixture base plate through the docking structure, and the docking structure and the connecting structure can be disassembled; and the upper surface of the measuring auxiliary tool is used for installing a measuring machine.

[0006] Furthermore, the measurement reference hole includes a first measurement reference hole, a second measurement reference hole and a third measurement reference hole; the first measurement reference hole is arranged on one side of the upper surface of the fixture substrate, and the second measurement reference hole and the third measurement reference hole are arranged on the other side of the upper surface of the fixture substrate.

[0007] Furthermore, the docking structure and the connecting structure are connected by connecting bolts; the connecting structure includes a substrate connecting hole, and the docking structure includes an auxiliary tool connecting hole; the measuring auxiliary tool can be opposite to the substrate connecting hole of the fixture substrate through the auxiliary tool connecting hole, and connected by connecting bolts passing through the auxiliary tool connecting hole and the substrate connecting hole.

[0008] Further, the substrate connection hole includes a first substrate connection hole, a second substrate connection hole, a third substrate connection hole and a fourth substrate connection hole, and the connecting line of the first substrate connection hole, the second substrate connection hole, the third substrate connection hole and the fourth substrate connection hole is a quadrilateral structure; the auxiliary tool connection hole includes a first auxiliary tool connection hole, a second auxiliary tool connection hole, a third auxiliary tool connection hole and a fourth auxiliary tool connection hole, and the first auxiliary tool connection hole, the second auxiliary tool connection hole, the third auxiliary tool connection hole and the fourth auxiliary tool connection hole are a quadrilateral structure; the first auxiliary tool connection hole is connected to the first substrate connection hole and is connected by a first connecting bolt; the second auxiliary tool connection hole is connected to the second substrate connection hole and is connected by a second connecting bolt; the third auxiliary tool connection hole is connected to the third substrate connection hole and is connected by a third connecting bolt; the fourth auxiliary tool connection hole is connected to the fourth substrate connection hole and is connected by a fourth connecting bolt.

[0009] Furthermore, the docking structure and the connecting structure are positioned by positioning pins; the connecting structure also includes a substrate positioning hole, and the docking structure also includes an auxiliary tool positioning hole; the measuring auxiliary tool can be aligned with the substrate positioning hole of the fixture substrate through the auxiliary tool positioning hole, and can be positioned by passing the positioning pin through the auxiliary tool positioning hole and the substrate positioning hole.

[0010] Furthermore, the substrate positioning hole includes a first substrate positioning hole and a second substrate positioning hole; the auxiliary tool positioning hole includes a first auxiliary tool positioning hole and a second auxiliary tool positioning hole; the first substrate positioning hole and the first auxiliary tool positioning hole are connected and positioned by a first positioning pin; the second substrate positioning hole and the second auxiliary tool positioning hole are connected and positioned by a second positioning pin.

[0011] Furthermore, the first substrate positioning hole is arranged between the first substrate connecting hole and the third substrate connecting hole, and the second substrate positioning hole is arranged between the second substrate connecting hole and the fourth substrate connecting hole; the first auxiliary tool positioning hole is arranged between the first auxiliary tool connecting hole and the third auxiliary tool connecting hole, and the second auxiliary tool positioning hole is arranged between the second auxiliary tool connecting hole and the fourth auxiliary tool connecting hole.

[0012] Furthermore, the measuring machine is a three-dimensional coordinate measuring machine; the measuring aid is a metal plate; and the three-dimensional coordinate measuring machine is fixed on the upper surface of the measuring aid by a magnet.

[0013] Furthermore, the measuring machine is a three-dimensional coordinate measuring machine; the three-dimensional coordinate measuring machine can be detachably mounted on the upper surface of the measuring aid.

[0014] Furthermore, the measuring machine is a laser tracker, a light pen measuring instrument, or a white light measuring instrument.

[0015] The automobile welding fixture provided by the utility model is designed by processing a measuring tool of a size equivalent to the base of a three-dimensional coordinate measuring machine, and six through holes are processed on the measuring tool, two of which are positioning holes for positioning the measuring tool and the fixture base plate, and four through holes are connecting holes for connecting the measuring tool and the fixture base plate (such as Figure 2 As shown); accordingly, six through holes corresponding to the measuring aids are processed at appropriate positions on the fixture base plate, two of which are also positioning holes, and four of which are connecting holes; specifically, when the fixture needs a measuring machine, the measuring aids only need to be positioned with the corresponding positioning holes on the fixture base plate through two positioning pins, and then fastened with four bolts. The situation after connection (as shown Figure 3 The measuring machine is then fixed to the measuring fixture by a magnet, which effectively solves the problem that such fixtures cannot be measured on site. The fixture measurement can be realized with a relatively small investment, the accuracy of the body welding fixture can be improved, the quality of the whole vehicle can be guaranteed, and the product competitiveness can be enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] The utility model will be further described below in conjunction with the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of an automobile welding fixture of the utility model without installing a measuring auxiliary tool;

[0019] Figure 2 This is a schematic diagram of the measuring aid of the utility model;

[0020] Figure 3 The utility model is a schematic diagram of an automobile welding fixture installation and measurement auxiliary tool.

[0021] In the figure: 1. first measurement reference hole; 2. second measurement reference hole; 3. third measurement reference hole; 4. fixture base plate; 41. first base plate connecting hole; 42. second base plate connecting hole; 43. third base plate connecting hole; 45. first base plate positioning hole; 46. second basic positioning hole; 5. measuring auxiliary tool; 51. first auxiliary tool connecting hole; 52. second auxiliary tool connecting hole; 53. third auxiliary tool connecting hole; 54. fourth auxiliary tool connecting hole; 55. first auxiliary tool positioning hole; 56. second auxiliary tool positioning hole; 6. connecting bolts. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0023] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined. The meaning of "several" is one or more, unless otherwise clearly and specifically defined.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] like Figures 1 to 3As shown, the utility model provides an automobile welding fixture, which is used for measuring clamping welding in the automobile manufacturing process; specifically, the welding fixture includes a fixture base plate 4 and a measuring auxiliary tool 5, and the fixture base plate 4 and the measuring auxiliary tool 5 are respectively flat plate structures, preferably steel plate structures; further, the fixture base plate 4 and the measuring auxiliary tool 5 are respectively independent structures; further, a plurality of fixtures are provided on the upper surface of the fixture base plate 4, and a plurality of measurement reference holes are also provided on the upper surface of the fixture base plate 4; further, a connection structure is provided on one side of the upper surface of the fixture base plate 4, and a measurement auxiliary tool 5 is provided on one side of the upper surface Docking structure; the measuring aid 5 is connected to the connecting structure of the fixture base plate 4 through the docking structure, and the docking structure and the connecting structure can be disassembled; specifically, the upper surface of the measuring aid 5 is used to install a measuring machine, so that parameter measurement during welding can be achieved; the automobile welding fixture provided by the utility model has a measuring aid of appropriate size detachably arranged at an appropriate position on the edge of the fixture base plate, so that the measuring machine has space to be placed, and on-site measurement of the welding fixture can be easily achieved, so that the portable measuring machine can easily achieve the measurement of the fixture, and it is economical, practical, convenient and fast.

[0028] Preferably, in combination with the above scheme, Figures 1 to 3 As shown, the measurement reference holes include a first measurement reference hole 1, a second measurement reference hole 2 and a third measurement reference hole 3; the first measurement reference hole 1 is arranged on one side of the upper surface of the fixture substrate 4, and the second measurement reference hole 2 and the third measurement reference hole 3 are arranged on the other side of the upper surface of the fixture substrate 4; further, the connecting line of the first measurement reference hole 1, the second measurement reference hole 2 and the third measurement reference hole 3 is distributed in an L-shaped structure on the upper surface of the fixture substrate 4 to achieve precise measurement.

[0029] Preferably, in combination with the above scheme, Figures 1 to 3 As shown, the docking structure and the connecting structure are connected by a connecting bolt 6; further, the connecting structure includes a substrate connecting hole, and the docking structure includes an auxiliary tool connecting hole; specifically, the measuring auxiliary tool 5 can be opposite to the substrate connecting hole of the fixture substrate 4 through the auxiliary tool connecting hole, and connected by the connecting bolt 6 passing through the auxiliary tool connecting hole and the substrate connecting hole, thereby realizing a detachable connection.

[0030] Preferably, in combination with the above scheme, Figures 1 to 3As shown, the substrate connection holes include a first substrate connection hole 41, a second substrate connection hole 42, a third substrate connection hole 43 and a fourth substrate connection hole, and the connection line of the first substrate connection hole 41, the second substrate connection hole 42, the third substrate connection hole 43 and the fourth substrate connection hole is a quadrilateral structure, that is, the first substrate connection hole 41, the second substrate connection hole 42, the third substrate connection hole 43 and the fourth substrate connection hole are distributed on the fixture substrate 4 in a quadrilateral structure; further, the auxiliary tool connection holes include a first auxiliary tool connection hole 51, a second auxiliary tool connection hole 52, a third auxiliary tool connection hole 53 and a fourth auxiliary tool connection hole 54, and the first auxiliary tool connection hole 51, the second auxiliary tool connection hole 52, the third auxiliary tool connection hole 53 and the fourth auxiliary tool connection hole 54, The measuring aid 5 has a quadrilateral structure, that is, the first auxiliary tool connection hole 51, the second auxiliary tool connection hole 52, the third auxiliary tool connection hole 53 and the fourth auxiliary tool connection hole 54 are distributed in a quadrilateral structure on the measuring aid 5; further, the first auxiliary tool connection hole 51 is connected to the first substrate connection hole 41 and is connected by a first connecting bolt; the second auxiliary tool connection hole 52 is connected to the second substrate connection hole 42 and is connected by a second connecting bolt; the third auxiliary tool connection hole 53 is connected to the third substrate connection hole 43 and is connected by a third connecting bolt; the fourth auxiliary tool connection hole 54 is connected to the fourth substrate connection hole and is connected by a fourth connecting bolt; the above connection can realize a detachable connection.

[0031] Preferably, in combination with the above scheme, Figures 1 to 3 As shown, the docking structure and the connecting structure are positioned by positioning pins; further, the connecting structure also includes a substrate positioning hole, and the docking structure also includes an auxiliary tool positioning hole; specifically, the measuring auxiliary tool 5 can be opposite to the substrate positioning hole of the fixture substrate 4 through the auxiliary tool positioning hole, and can be positioned by passing the positioning pin through the auxiliary tool positioning hole and the substrate positioning hole, so that the connection between the measuring auxiliary tool 5 and the fixture substrate 4 is more stable, and the measurement accuracy is improved.

[0032] Preferably, in combination with the above scheme, Figures 1 to 3 As shown, the substrate positioning holes include a first substrate positioning hole 45 and a second substrate positioning hole 46; the auxiliary tool positioning holes include a first auxiliary tool positioning hole 55 and a second auxiliary tool positioning hole 56; specifically, the first substrate positioning hole 45 and the first auxiliary tool positioning hole 55 are docked, and are positioned by a first positioning pin; the second substrate positioning hole 46 and the second auxiliary tool positioning hole 56 are docked, and are positioned by a second positioning pin; the two substrate positioning holes are designed to match the two auxiliary tool positioning holes, and are locked by the positioning pins, so that the measurement can be performed more stably.

[0033] Preferably, in combination with the above scheme, Figures 1 to 3As shown, the first substrate positioning hole 45 is arranged between the first substrate connecting hole 41 and the third substrate connecting hole 43, and the second substrate positioning hole 46 is arranged between the second substrate connecting hole 42 and the fourth substrate connecting hole; further, the first auxiliary tool positioning hole 55 is arranged between the first auxiliary tool connecting hole 51 and the third auxiliary tool connecting hole 53, and the second auxiliary tool positioning hole 56 is arranged between the second auxiliary tool connecting hole 52 and the fourth auxiliary tool connecting hole 54.

[0034] Preferably, in combination with the above scheme, Figures 1 to 3 As shown, in this embodiment: the measuring machine is a three-dimensional coordinate measuring machine; the measuring aid 5 is a metal plate; the three-dimensional coordinate measuring machine is fixed on the upper surface of the measuring aid 5 by a magnet, which is convenient for installation and measurement.

[0035] Preferably, in combination with the above scheme, Figures 1 to 3 As shown, in this embodiment: the measuring machine is a three-coordinate measuring machine; the three-coordinate measuring machine can be detachably mounted on the upper surface of the measuring aid 5, thereby realizing convenient installation and measurement.

[0036] Preferably, in combination with the above scheme, Figures 1 to 3 As shown, in this embodiment: the measuring machine is a laser tracker or a light pen measuring instrument or a white light measuring instrument.

[0037] The automobile welding fixture provided by the utility model is designed by processing a measuring tool of a size equivalent to the base of a three-dimensional coordinate measuring machine, and six through holes are processed on the measuring tool, two of which are positioning holes for positioning the measuring tool and the fixture base plate, and four through holes are connecting holes for connecting the measuring tool and the fixture base plate (such as Figure 2 As shown); accordingly, six through holes corresponding to the measuring aids are processed at appropriate positions on the fixture base plate, two of which are also positioning holes, and four of which are connecting holes; specifically, when the fixture needs a measuring machine, the measuring aids only need to be positioned with the corresponding positioning holes on the fixture base plate through two positioning pins, and then fastened with four bolts. The situation after connection (as shown Figure 3 The measuring machine is then fixed to the measuring fixture by a magnet, which effectively solves the problem that such fixtures cannot be measured on site. The fixture measurement can be realized with a relatively small investment, the accuracy of the body welding fixture can be improved, the quality of the whole vehicle can be guaranteed, and the product competitiveness can be enhanced.

[0038] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the utility model by using the above-mentioned technical content without departing from the scope of the technical solution of the utility model, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the utility model without departing from the content of the technical solution of the utility model shall fall within the protection scope of the technical solution of the utility model.

Claims

1. An automobile welding fixture, characterized in that: The welding fixture comprises a fixture base plate (4) and a measuring aid (5), wherein the fixture base plate (4) and the measuring aid (5) are respectively flat plate structures; a plurality of fixtures are arranged on the upper surface of the fixture base plate (4), and a plurality of measurement reference holes are also arranged on the upper surface of the fixture base plate (4); a connection structure is arranged on one side of the upper surface of the fixture base plate (4), and a docking structure is arranged on one side of the upper surface of the measuring aid (5); the measuring aid (5) is connected to the connection structure of the fixture base plate (4) through the docking structure, and the docking structure and the connection structure can be detached; the upper surface of the measuring aid (5) is used for installing a measuring machine.

2. The automotive welding fixture according to claim 1, characterized in that: The measurement reference holes include a first measurement reference hole (1), a second measurement reference hole (2) and a third measurement reference hole (3); the first measurement reference hole (1) is arranged on one side of the upper surface of the fixture substrate (4), and the second measurement reference hole (2) and the third measurement reference hole (3) are arranged on the other side of the upper surface of the fixture substrate (4).

3. The automotive welding fixture according to claim 1, characterized in that: The docking structure and the connecting structure are connected via a connecting bolt (6); the connecting structure comprises a base plate connecting hole, and the docking structure comprises an auxiliary tool connecting hole; the measuring auxiliary tool (5) can be opposite to the base plate connecting hole of the fixture base plate (4) through the auxiliary tool connecting hole, and connected by the connecting bolt (6) passing through the auxiliary tool connecting hole and the base plate connecting hole.

4. The automobile welding fixture according to claim 3, characterized in that: The substrate connection hole comprises a first substrate connection hole (41), a second substrate connection hole (42), a third substrate connection hole (43) and a fourth substrate connection hole, and the connection line of the first substrate connection hole (41), the second substrate connection hole (42), the third substrate connection hole (43) and the fourth substrate connection hole is a quadrilateral structure; the auxiliary tool connection hole comprises a first auxiliary tool connection hole (51), a second auxiliary tool connection hole (52), a third auxiliary tool connection hole (53) and a fourth auxiliary tool connection hole (54), and the first auxiliary tool connection hole (51), the second auxiliary tool connection hole ( 52), the third auxiliary tool connection hole (53) and the fourth auxiliary tool connection hole (54) are in a quadrilateral structure; the first auxiliary tool connection hole (51) is connected to the first substrate connection hole (41) and connected by a first connecting bolt; the second auxiliary tool connection hole (52) is connected to the second substrate connection hole (42) and connected by a second connecting bolt; the third auxiliary tool connection hole (53) is connected to the third substrate connection hole (43) and connected by a third connecting bolt; the fourth auxiliary tool connection hole (54) is connected to the fourth substrate connection hole and connected by a fourth connecting bolt.

5. The automobile welding fixture according to claim 4, characterized in that: The docking structure and the connecting structure are positioned by means of positioning pins; the connecting structure further comprises a substrate positioning hole, and the docking structure further comprises an auxiliary tool positioning hole; the measuring auxiliary tool (5) can be positioned opposite to the substrate positioning hole of the fixture substrate (4) through the auxiliary tool positioning hole, and can be positioned by the positioning pin passing through the auxiliary tool positioning hole and the substrate positioning hole.

6. The automobile welding fixture according to claim 5, characterized in that: The substrate positioning hole comprises a first substrate positioning hole (45) and a second substrate positioning hole (46); the auxiliary tool positioning hole comprises a first auxiliary tool positioning hole (55) and a second auxiliary tool positioning hole (56); the first substrate positioning hole (45) and the first auxiliary tool positioning hole (55) are butted against each other and positioned by a first positioning pin; the second substrate positioning hole (46) and the second auxiliary tool positioning hole (56) are butted against each other and positioned by a second positioning pin.

7. The automobile welding fixture according to claim 6, characterized in that: The first substrate positioning hole (45) is arranged between the first substrate connecting hole (41) and the third substrate connecting hole (43), and the second substrate positioning hole (46) is arranged between the second substrate connecting hole (42) and the fourth substrate connecting hole; the first auxiliary tool positioning hole (55) is arranged between the first auxiliary tool connecting hole (51) and the third auxiliary tool connecting hole (53), and the second auxiliary tool positioning hole (56) is arranged between the second auxiliary tool connecting hole (52) and the fourth auxiliary tool connecting hole (54).

8. The automobile welding fixture according to claim 1, characterized in that: The measuring machine is a three-dimensional coordinate measuring machine; the measuring aid (5) is a metal plate; the three-dimensional coordinate measuring machine is fixed on the upper surface of the measuring aid (5) by means of a magnet.

9. The automobile welding fixture according to claim 1, characterized in that: The measuring machine is a three-coordinate measuring machine; The three-dimensional coordinate measuring machine can be detachably mounted on the upper surface of the measuring aid (5).

10. The automobile welding fixture according to claim 1, characterized in that: The measuring machine is a laser tracker, a light pen measuring instrument or a white light measuring instrument.

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