Fixture

Abstract

The present invention provides a fixture, comprising: a base; a bracket disposed on the base; a first positioning component disposed on the base; a second positioning component movably disposed on the base; there are two second positioning components, and the two second positioning components are respectively located on both sides of the first positioning component; a third positioning component movably disposed on the bracket; there are two third positioning components, the two third positioning components are abutted at an angle and protrude above the first positioning component and the second positioning component; the first positioning component, the two second positioning components and the two third positioning components enclose a positioning space of a triangular beam. The present invention solves the technical problem of poor accuracy of traditional fixtures by optimizing the specific structure of the fixture.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical manufacturing, and particularly to a fixture. Background Art

[0002] While the automobile has become our main means of transportation, people's requirements for its manufacturing process have become increasingly high, making its production process more and more advanced, and the production and inspection of various parts have also become more and more advanced, with higher and higher precision. Since precise positioning operations need to be carried out on parts during the production of each component to facilitate the progress of subsequent operations, the positioning requirements for the positioning device are relatively high. At the same time, due to the large variety of automobile parts, there are also many requirements for the types of positioning devices. In particular, when welding, tapping and drilling operations are required for triangular beam pipes with special shapes, more than one positioning module is needed.

[0003] In the related art, the three-point positioning method is generally used to position the triangular pipe beam, so as to facilitate the subsequent operations. However, in the continuous positioning, welding, cutting, tapping and drilling operations of the triangular beam pipes, the positioning accuracy will gradually decrease, resulting in deviations in the dimensions of the triangular beam pipes. Summary of the Invention

[0004] In view of the deficiencies in the prior art, the present invention provides a fixture to solve the technical problem of poor positioning accuracy of traditional fixtures.

[0005] The present invention provides a fixture, comprising:

[0006] A base;

[0007] A bracket disposed on the base;

[0008] A first positioning component disposed on the base;

[0009] A second positioning component movably disposed on the base; there are two second positioning components, and the two second positioning components are respectively located on both sides of the first positioning component;

[0010] A third positioning component movably disposed on the bracket; there are two third positioning components, and the two third positioning components are in angular contact and protrude above the first positioning component and the second positioning component;

[0011] The first positioning component, the two second positioning components and the two third positioning components enclose a positioning space for the triangular beam.

[0012] Optionally, the fixture further comprises a mounting seat disposed on the base, and the mounting seat is disposed close to the bracket;

[0013] The first positioning component is arranged on the mounting seat;

[0014] The second positioning component is movably arranged on the mounting seat.

[0015] Optionally, a first moving slot is provided on the mounting seat, the first moving slot extends along a direction perpendicular to the bracket, and the first positioning component includes a first turntable, a connecting piece and two supporting pieces;

[0016] The two supporting pieces are respectively arranged on both sides of the first moving slot;

[0017] The connecting piece is inserted into the first turntable and passes through the first turntable;

[0018] Both ends of the connecting piece are respectively connected to the two supporting pieces, so that a part of the first turntable is accommodated in the first moving slot.

[0019] Optionally, a second moving slot is provided on the mounting seat, the second moving slot extends along a direction perpendicular to the first moving slot, there are two second moving slots, and the two second moving slots are oppositely arranged on both sides of the first moving slot. The second positioning component includes a second turntable and a first moving member;

[0020] The second turntable is arranged on the first moving member;

[0021] The first moving member is movably arranged in the second moving slot to drive the second turntable to approach or move away from the first positioning component.

[0022] Optionally, the first moving member includes a sliding member and a mounting and fixing member;

[0023] The sliding member is movably arranged in the second moving slot; the sliding member includes a horizontal part and a vertical part, the vertical part is vertically arranged on the horizontal part, the vertical part is accommodated in the second moving slot, and the horizontal part is located above the second moving slot.

[0024] The mounting and fixing member is arranged on a side of the horizontal part away from the vertical part.

[0025] Optionally, the clamp further includes a first driving member, the first driving member is arranged on the mounting seat, and the first driving member is used to drive the first moving member to approach or move away from the first positioning component.

[0026] Optionally, the third positioning component includes a third turntable, a robotic arm and a second moving member;

[0027] The second moving member is movably arranged on the bracket;

[0028] The robotic arm protrudes from a side of the second moving member facing the first positioning component;

[0029] The third turntable is rotatably connected to one end of the robotic arm away from the second movable member;

[0030] The two third turntables are in angular abutment.

[0031] Optionally, the included angle formed by the two third turntables is 5 to 85°.

[0032] Optionally, the bracket includes two vertical members and a horizontal member; the two vertical members are spaced apart on the base, and the horizontal member is connected to the other ends of the two vertical members; the fixture further includes a second driving member disposed on the horizontal member, and the second driving member is configured to drive the third positioning assembly to move in a vertical direction toward or away from the first positioning assembly.

[0033] Optionally, the fixture further includes a third driving member disposed on the base, and the third driving member is configured to drive the bracket to move in a horizontal direction along the axial diameter direction of the horizontal member.

[0034] Compared with the prior art, the present invention has the following beneficial effects:

[0035] In the technology of the present invention, by optimizing the structure of the fixture, the precise positioning of the positioning device is greatly improved, and the continuous output of triangular beams can be achieved. Specifically, in order to improve the supporting force of the device, a base is provided. In order to improve the positioning effect of the device, a first positioning assembly, two second positioning assemblies and two third positioning assemblies are provided, and five-point positioning is proposed to improve the precise positioning of the fixture for triangular beams with special structural shapes. At the same time, a bracket is also provided to support the two third positioning assemblies. In this way, through five-point positioning, the precise positioning of the triangular beam is achieved; and the adaptability of the positioning device to different sizes of triangular beams can be improved by flexibly adjusting the size of the positioning space. Description of the Drawings

[0036] Figure 1 is a schematic structural view of a fixture in an embodiment of the present invention;

[0037] Figure 2 is a schematic structural view of a fixture in another embodiment of the present invention.

[0038] Explanation of the Reference Numerals in the Drawings:

[0039] 100 base 220 horizontal member 200 bracket 310 first turntable 300 first positioning component 320 supporting member 400 second positioning component 410 second turntable 500 third positioning component 420 first movable member 600 mounting base 421 slider 700 first driving member 422 mounting and fixing member 800 second driving member 510 third turntable 900 third driving member 520 robotic arm 210 vertical member 530 second movable member

[0040] The realization, functional features and advantages of the object of the present invention will be further described with reference to the embodiments and the accompanying drawings. Detailed Embodiments

[0041] In order to make the objectives, technical solutions and beneficial effects of the present invention clearer and more understandable, the technical solutions in the present invention will be further described 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.

[0042] See Figure 1 and Figure 2 , the present invention provides a fixture, comprising:

[0043] Base 100;

[0044] Bracket 200, provided on the base 100;

[0045] First positioning component 300, provided on the base 100;

[0046] Second positioning component 400, movably provided on the base 100; there are two second positioning components 400, and the two second positioning components 400 are respectively located on both sides of the first positioning component 300;

[0047] Third positioning component 500, movably provided on the bracket 200; there are two third positioning components 500, and the two third positioning components 500 are in angular contact and protrude above the first positioning component 300 and the second positioning component 400;

[0048] The first positioning component 300, the two second positioning components 400 and the two third positioning components 500 enclose a positioning space of a triangular beam.

[0049] In this embodiment, a base 100 is provided to improve the bearing capacity of the device. A first positioning component 300, two second positioning components 400 and two third positioning components 500 are provided to improve the positioning effect of the device. Meanwhile, a bracket 200 is also provided to provide bearing force for the third positioning component 500. Supported by the bracket 200, the third positioning component 500 is movably disposed above the first positioning component 300 and the second positioning component 400. In this way, through the positioning of the triangular beam by the first positioning component 300, the positioning of the triangular beam by the two second positioning components 400, and the positioning of the triangular beam by the two third positioning components 500, five-point positioning of the triangular beam is achieved, so as to achieve precise positioning of the triangular beam and facilitate subsequent operations such as welding. Specifically, the two second positioning components 400 are movably disposed on both sides of the first positioning component 300, and the two third positioning components 500 are movably disposed above the first positioning component 300 and the second positioning component 400 to adjust the positioning space formed by the first positioning component 300, the two second positioning components 400 and the two third positioning components 500, so that the fixture can flexibly adjust the size of the positioning space, and thus the fixture can meet the precise positioning of triangular beams of different sizes.

[0050] It should be explained that the angled abutment of the two third positioning components 500 means that the sides of the two third positioning components 500 close to the upper part of the first positioning component 300 abut together to form a positioning space together with the first positioning component 300 and the two second positioning components 400. And the sides of the two third positioning components 500 away from the first positioning component 300 are separated, and an angle is formed between the two third positioning components 500 in the direction of the line connecting the first positioning component 300 and the base 100 (this direction is perpendicular to the base 100).

[0051] Optionally, the fixture further includes a mounting seat 600 disposed on the base 100, and the mounting seat 600 is disposed close to the bracket 200;

[0052] The first positioning component 300 is disposed on the mounting seat 600;

[0053] The second positioning component 400 is movably disposed on the mounting seat 600.

[0054] In this embodiment, in order to improve the stability of the first positioning component 300 and the second positioning component 400 during operation, a mounting base 600 is further provided. It should be understood that the mounting base 600 has a certain height so that the working plane of the first positioning component 300 and the second positioning component 400 has a certain safety distance from the base 100. For example but not limited to, to improve the fastening property of the connection between the mounting base 600 and the base 100, the mounting base 600 is fixedly provided on the base 100. For example but not limited to, the bracket 200 is located on one side of the mounting base 600 so that the third positioning component 500 provided on the bracket 200 can be located above the first positioning component 300 and the second positioning component 400 and enclose the positioning space.

[0055] Optionally, a first movable groove (not shown in the figure) is provided on the mounting base 600. The first movable groove extends in a direction perpendicular to the bracket 200. The first positioning component 300 includes a first turntable 310, a connecting member, and two support members 320;

[0056] The two support members 320 are respectively provided on both sides of the first movable groove;

[0057] The connecting member is inserted into the first turntable 310 and passes through the first turntable 310;

[0058] Both ends of the connecting member are respectively connected to the two support members 320 to accommodate a part of the first turntable 310 in the first movable groove.

[0059] In this embodiment, in order to realize the continuous operation of the triangular beam, a first turntable 310 is provided. The first turntable 310 is vertically rotatably provided on the mounting base 600 to drive the movement of the triangular beam, thereby realizing the continuous operation of the triangular beam. At the same time, in order to realize the rotatability of the first turntable 310, a connecting member and two support members 320 are provided. The connecting member penetrates through the first turntable 310 and is respectively detachably connected to the two support members 320.

[0060] It should be understood that a through hole for the connecting member to penetrate is provided on the first turntable 310. The through hole is located at the center of the first turntable 310 and is adapted to the connecting member. Mounting holes for the connecting member to be installed are provided on the two support members 320, and the mounting holes are adapted to the connecting member. In this way, the first turntable 310 can rotate in the first movable groove, thereby driving the movement of the triangular beam positioned by the first turntable 310 and realizing the continuous operation of the triangular beam.

[0061] Optionally, a second movable slot (not shown in the figure) is provided on the mounting base 600. The second movable slot extends in a direction perpendicular to the first movable slot. There are two second movable slots, and the two second movable slots are relatively arranged on both sides of the first movable slot. The second positioning assembly 400 includes a second turntable 410 and a first movable member 420;

[0062] The second turntable 410 is arranged on the first movable member 420;

[0063] The first movable member 420 is movably arranged in the second movable slot to drive the second turntable 410 to approach or move away from the first positioning assembly 300.

[0064] In this embodiment, in order to realize the continuous operation of the triangular beam, a second turntable 410 is also provided. The second turntable 410 is rotatably arranged in parallel on the mounting base 600, and the second turntable 410 can rotate around its center in the horizontal direction parallel to the base 100, and acts together with the first turntable 310 to drive the movement of the triangular beam. At the same time, in order to realize the adjustability of the positioning space to meet the precise positioning of triangular beams of different sizes, a first movable member 420 is also provided. The first movable member 420 can move along the second movable slot, so as to drive the second turntable 410 to move in a direction close to or away from the first positioning assembly 300, and further realize operations such as placing, positioning, and taking out of the triangular beam.

[0065] Optionally, the first movable member 420 includes a sliding member 421 and a mounting and fixing member 422;

[0066] The sliding member 421 is movably arranged in the second movable slot; the sliding member 421 includes a transverse portion (not shown in the figure) and a straight portion (not shown in the figure). The straight portion is vertically arranged on the transverse portion. The straight portion is received in the second movable slot, and the transverse portion is located above the second movable slot.

[0067] The mounting and fixing member 422 is arranged on the side of the transverse portion away from the straight portion.

[0068] In this embodiment, in order to strengthen the sliding connection between the second turntable 410 and the mounting base 600, a sliding member 421 and a mounting and fixing member 422 are provided. For example but not limited to, the sliding member 421 is a T-shaped sliding member. The straight portion is vertically arranged at the middle position of the transverse portion. In this way, when the straight portion is received in the second movable slot, the transverse portion is located above the second movable slot to limit the position of the straight portion.

[0069] Specifically, the installation and fixing member 422 is an installation and fixing flange. The second turntable 410 is connected to the installation and fixing flange, and the installation and fixing flange is connected to the sliding member 421. For example but not limited to, the installation and fixing flange is connected to the sliding member 421 by screws. For example but not limited to, in order to strengthen the fastening between the second turntable 410 and the sliding member 421, there are multiple screws, and the multiple screws are arranged at intervals around the position near the edge of the installation and fixing flange.

[0070] Optionally, the fixture further includes a first driving member 700. The first driving member 700 is arranged on the mounting seat 600, and the first driving member 700 is used to drive the first movable member 420 to approach or move away from the first positioning assembly 300.

[0071] In this embodiment, in order to improve the automation degree of the positioning device, a first driving member 700 is also provided. For example but not limited to, there are two first driving members 700, and the two first driving members 700 are respectively used to drive the two second positioning assemblies 400.

[0072] For example but not limited to, the first driving member 700 is a screw driving member. The screw driving member protrudes from the side wall of the mounting seat 600 and drives the second turntable 410 to move in a direction approaching or moving away from the first positioning assembly 300. In other embodiments, the first driving member 700 can also be a motor driving member or a cylinder driving member.

[0073] Optionally, the third positioning assembly 500 includes a third turntable 510, a robotic arm 520 and a second movable member 530;

[0074] The second movable member 530 is movably arranged on the bracket 200;

[0075] The robotic arm 520 protrudes from one side of the second movable member 530 facing the first positioning assembly 300;

[0076] The third turntable 510 is rotatably connected to one end of the robotic arm 520 away from the second movable member 530;

[0077] The two third turntables 510 are in angular contact.

[0078] In this embodiment, in order to achieve continuous operation of the triangular beam, a third turntable 510 is further provided. The third turntable 510 is inclined and rotatably arranged above the second positioning assembly 400 to cooperate with the second turntable 410 and the first turntable 310 to drive the movement of the triangular beam. In order to provide spatial extensibility for the third turntable 510, a robotic arm 520 is provided. The robotic arm 520 is used to project the third turntable 510 above the first positioning assembly 300 and provide rigid support for the third turntable 510. In order to achieve the adjustability of the positioning space so that the positioning space can accommodate triangular beams of different sizes, a second movable member 530 is provided. The second movable member 530 is movably arranged on the bracket 200 so that the third turntable 510 moves in a direction close to or away from the first positioning assembly 300.

[0079] Specifically, the centers of the two third turntables 510 are arranged opposite to each other, and the disk surfaces of the two third turntables 510 are inclined in a plane perpendicular to the base 100.

[0080] Optionally, the included angle formed by the two third turntables 510 is 5 to 85°.

[0081] In this embodiment, in order to improve the adaptability of the positioning device, the included angle formed by the two third turntables 510 is set to 5 to 85°, so as to realize the positioning and regulation of triangular beams of different sizes by regulating the included angle formed by the two third turntables 510. For example but not limited to, when the size of a triangular beam is a certain value, the included angle formed by the two third turntables 510 is 30°.

[0082] Optionally, the bracket 200 includes two vertical members 210 and a horizontal member 220; the two vertical members 210 are spaced apart on the base 100, and the horizontal member 220 is connected to the other ends of the two vertical members 210; the fixture further includes a second driving member 800, and the second driving member 800 is arranged on the horizontal member 220, and the second driving member 800 is used to drive the third positioning assembly 500 to move in the vertical direction towards or away from the first positioning assembly 300.

[0083] In this embodiment, in order to improve the automation degree of the positioning device, a second driving member 800 is further provided. For example but not limited to, the second driving member 800 is a screw driving member, and the screw driving member is arranged on the base 100 to drive the movement of the bracket 200 on the base 100, thereby driving the movement of the third turntable 510 on a horizontal plane parallel to the base 100, and further realizing the adjustment of the positioning space. In other embodiments, the second driving member 800 can also be a motor driving member or a cylinder driving member.

[0084] Optionally, the fixture further includes a third driving member 900 disposed on the base 100, and the third driving member 900 is configured to drive the bracket 200 to move in the axial direction of the cross member 220 in the horizontal direction.

[0085] In this embodiment, in order to improve the automation degree of the positioning device, a third driving member 900 is further provided. For example but not limited to, the third driving member 900 is a screw driving member disposed on the cross member 220 to drive the second movable member 530 to move towards or away from the first positioning assembly 300, thereby driving the third turntable 510 to move in a plane perpendicular to the base 100, and further realizing the adjustment of the positioning space. In other embodiments, the third driving member 900 may also be a motor driving member or a cylinder driving member.

[0086] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered by the scope of the claims of the present invention.

Claims

1. A fixture, characterized in that, Comprising: A base; A bracket, provided on the base; A first positioning component, provided on the base; A second positioning component, movably provided on the base; there are two of the second positioning components, and the two second positioning components are respectively located on both sides of the first positioning component; A third positioning component, movably provided on the bracket; there are two of the third positioning components, and the two third positioning components are in angular abutment and protrude above the first positioning component and the second positioning component; The first positioning component, the two second positioning components and the two third positioning components enclose a positioning space for a triangular beam; The fixture further includes a mounting seat provided on the base, and the mounting seat is arranged close to the bracket; The first positioning component is provided on the mounting seat; The second positioning component is movably provided on the mounting seat; The mounting seat is provided with a first moving slot, and the first moving slot extends in a direction perpendicular to the bracket. The first positioning component includes a first turntable, a connecting piece and two supporting pieces; The two supporting pieces are respectively provided on both sides of the first moving slot; The connecting piece is inserted into the first turntable and passes through the first turntable; Both ends of the connecting piece are respectively connected to the two supporting pieces to accommodate a part of the first turntable in the first moving slot; The mounting seat is provided with a second moving slot, and the second moving slot extends in a direction perpendicular to the first moving slot. There are two second moving slots, and the two second moving slots are oppositely arranged on both sides of the first moving slot. The second positioning component includes a second turntable and a first moving member; The second turntable is provided on the first moving member; The first moving member is movably provided in the second moving slot to drive the second turntable to approach or move away from the first positioning component; The third positioning component includes a third turntable, a robotic arm and a second moving member; The second moving member is movably provided on the bracket; The robotic arm protrudes on a side of the second moving member facing the first positioning component; The third turntable is rotatably connected to one end of the robotic arm away from the second moving member; The two third turntables are in angular abutment; The first moving member includes a sliding member and a mounting and fixing member; The sliding member is movably provided in the second moving slot; the sliding member includes a transverse portion and a straight portion, the straight portion is vertically provided on the transverse portion, the straight portion is accommodated in the second moving slot, and the transverse portion is located above the second moving slot, The mounting and fixing member is provided on a side of the transverse portion away from the straight portion.

2. The fixture according to claim 1, characterized in that, The fixture further includes a first driving member, and the first driving member is provided on the mounting seat. The first driving member is used to drive the first moving member to approach or move away from the first positioning component.

3. The fixture according to claim 1, characterized in that, The included angle formed by the two third turntables is 5 - 85°; 4. The fixture according to claim 1, characterized in that, The bracket includes two vertical members and a horizontal member; the two vertical members are spaced apart on the base, and the horizontal member is connected to the other ends of the two vertical members. The fixture further includes a second driving member, and the second driving member is provided on the horizontal member. The second driving member is used to drive the third positioning component to move in the vertical direction towards a direction approaching or moving away from the first positioning component.

5. The fixture according to claim 4, wherein The fixture further includes a third driving member, which is disposed on the base and is used to drive the bracket to move in the axial diameter direction of the cross member in the horizontal direction.

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