Positioning jig

Abstract

The utility model belongs to the technical field of welding processing, and discloses a positioning jig which comprises a supporting seat, a clamp, a magnetic attraction piece and a first clamping elastic piece, the supporting seat is provided with a containing cavity, the containing cavity is provided with a bearing face and a first abutting face, the bearing face is configured to bear a main body component spliced with a columnar component, the clamp is movably arranged on the supporting seat, and the magnetic attraction piece is arranged on the first clamping elastic piece. The magnetic attraction part is arranged on the clamp, when the main body part is arranged on the bearing face, the first clamping elastic part is configured to drive the clamp to make the main body part abut against the first abutting face, and the magnetic attraction part is configured to magnetically attract the side wall of the columnar part. According to the utility model, the magnetic attraction piece is additionally arranged on the clamp, so that when the main body part assembled with the columnar part is propped against and positioned on the supporting seat by the clamp, the side wall of the columnar part on the main body part can be adsorbed and positioned through the magnetic attraction piece, and thus the displacement and movement of the columnar part are effectively avoided; the accuracy and the reliability of the relative position between the main body part and the columnar part are improved, and the subsequent welding quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of welding processing, in particular to a positioning fixture. Background Art

[0002] During welding, positioning fixtures are needed to position and fix the multiple parts to be welded to ensure the accuracy and reliability of their relative positions, avoid displacement and movement during welding, and ultimately achieve high-quality welding.

[0003] Existing positioning fixtures fix parts by clamping them tightly. For cylindrical parts without bottom support, the contact area between them and the positioning fixture when they are clamped tightly is small, the friction is insufficient, and they are prone to shifting and moving, making it difficult to ensure the accuracy and reliability of the relative positions between parts, resulting in low final welding quality. Utility Model Content

[0004] The utility model aims to provide a positioning fixture, which can avoid the displacement of parts during positioning and fixing, and ensure the welding quality.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] Positioning fixtures, including:

[0007] A support seat, wherein the support seat is provided with a receiving cavity, the receiving cavity is provided with a bearing surface and a first stop surface, and the bearing surface is configured to bear a main body component assembled with columnar components;

[0008] A clamp, movably disposed on the support seat;

[0009] A magnetic attraction member, arranged on the clamp;

[0010] The first clamping elastic member is configured to drive the clamp to stop the main body component against the first stop surface when the main body component is placed on the bearing surface, and the magnetic attraction member is configured to magnetically attract the side wall of the columnar component.

[0011] Preferably, the clamp comprises:

[0012] A bearing block, movably disposed on the supporting seat;

[0013] A clamping block connected to the bearing block and configured to abut against the main body component, wherein the magnetic attraction member is disposed on the clamping block;

[0014] The operating block is connected to the bearing block.

[0015] Preferably, the clamp comprises a positioning column, and the clamp abuts against the main body component via the positioning column.

[0016] Preferably, the clamp is provided with a positioning groove, and when the magnetic attraction member magnetically attracts the columnar component, the columnar component is limitedly clamped in the positioning groove.

[0017] Preferably, one of the support seat and the clamp is provided with a slide rail, and the other is provided with a slider, and the slider is slidably arranged on the slide rail.

[0018] As a preference, it also includes:

[0019] A clamping arm, movably disposed on the support seat, the support seat is provided with a second stop surface, and the second stop surface is adjacent to the first stop surface;

[0020] The second clamping elastic member is configured to drive the clamping arm to stop the main body component against the second stop surface when the main body component is placed on the bearing surface.

[0021] Preferably, the clamping arm is rotatably disposed on the supporting seat.

[0022] Preferably, an adjustment block is provided on the support seat in an adjustable manner, and the second stop surface is provided on the adjustment block.

[0023] Preferably, the support seat comprises a bottom support block, and the bottom support block is provided with a rack portion.

[0024] Preferably, the support seat is provided with two accommodating cavities, and each of the accommodating cavities is configured with one of the clamps.

[0025] Beneficial effects of the utility model:

[0026] A magnetic suction part is added to the clamp, so that when the clamp positions the main body component assembled with the columnar component against the support seat, the side wall of the columnar component on the main body component can be adsorbed and positioned by the magnetic suction part, thereby effectively avoiding the displacement and movement of the columnar component, improving the accuracy and reliability of the relative position between the main body component and the columnar component, and ensuring the subsequent welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic structural diagram of one orientation of the positioning fixture described in an embodiment of the utility model;

[0028] Figure 2 It is a schematic structural diagram of another orientation of the positioning fixture described in an embodiment of the utility model;

[0029] Figure 3 This is a schematic diagram of the structure of the positioning jig according to the embodiment of the utility model without the clamp;

[0030] Figure 4 This is a schematic diagram of the structure of the positioning fixture described in the embodiment of the utility model, omitting the clamp, the main body component and the columnar component;

[0031] Figure 5 yes Figure 4 The enlarged view of point A in the middle;

[0032] Figure 6 This is a schematic diagram of the structure of the positioning fixture described in the embodiment of the utility model, omitting the clamp, the main body component, the columnar component and the enclosure block;

[0033] Figure 7 yes Figure 6 The enlarged view of point B in the middle;

[0034] Figure 8 It is a structural schematic diagram of the clamp described in the embodiment of the utility model;

[0035] Fig. 9 It is a schematic diagram of the disassembled structure of some components of the positioning fixture described in the embodiment of the utility model;

[0036] Fig.10 It is a structural schematic diagram of a main body component assembled with two columnar components according to an embodiment of the utility model.

[0037] In the figure:

[0038] 100, main body component; 200, columnar component;

[0039] 1. Support seat; 11. Support plate; 12. Cushion block; 121. Bearing surface; 13. Enclosing block; 131. First stop surface; 14. Adjustment block; 141. Second stop surface; 15. Bottom support block;

[0040] 2. Clamp; 21. Carrying block; 22. Clamping block; 221. First block; 2211. Positioning groove; 222. Second block; 23. Operating block; 24. Positioning column; 25. First positioning elastic member; 26. Second positioning elastic member;

[0041] 3. Magnetic attraction member; 31. Outer shell; 32. Magnet;

[0042] 4. A first clamping elastic member;

[0043] 5. Slide rail;

[0044] 6. Slider;

[0045] 7. Slide bar;

[0046] 8. Clamping arm; 81. Clamping portion; 82. Operating portion;

[0047] 9. Second clamping elastic member. DETAILED DESCRIPTION

[0048] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar components or components having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0049] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection or a detachable 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 invention can be understood according to specific circumstances.

[0050] In the description of the present utility model, unless otherwise clearly stipulated and limited, a first feature being "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0051] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0052] like Figure 1-Figure 10 As shown, the utility model provides a positioning fixture, including a support seat 1, a clamp 2, a magnetic member 3 and a first clamping elastic member 4. The support seat 1 is provided with a receiving cavity, the receiving cavity is provided with a bearing surface 121 and a first stop surface 131, the bearing surface 121 is configured to bear a main body component 100 assembled with a columnar component 200, the clamp 2 is movably arranged on the support seat 1, the magnetic member 3 is arranged on the clamp 2, when the main body component 100 is placed on the bearing surface 121, the first clamping elastic member 4 is configured to drive the clamp 2 to stop the main body component 100 against the first stop surface 131, and the magnetic member 3 is configured to magnetically attract the side wall of the columnar component 200.

[0053] In the utility model, a magnetic suction component 3 is additionally provided on the clamp 2, so that when the clamp 2 positions the main component 100 assembled with the columnar component 200 against the support seat 1, the side wall of the columnar component 200 on the main component 100 can be adsorbed and positioned by the magnetic suction component 3, thereby effectively avoiding the displacement and movement of the columnar component 200, improving the accuracy and reliability of the relative position between the main component 100 and the columnar component 200, and ensuring the subsequent welding quality.

[0054] Specifically, the support seat 1 includes a support plate 11, a cushion block 12 and a blocking block 13. The cushion block 12 is connected to the edge of one side of the support plate 11, the clamp 2 is movably arranged on the support plate 11, the blocking block 13 is connected to the side of the cushion block 12 away from the support plate 11, the blocking block 13 is arranged on the cushion block 12 to form an avoidance groove, and the accommodating cavity is arranged in the avoidance groove. The above arrangement can simply and conveniently form a cavity for accommodating the main component 100 on the support seat 1, and the cushion block 12 and the blocking block 13 cooperate to raise the accommodating cavity to a position height matching the clamp 2.

[0055] More specifically, the support seat 1 is provided with an adjustment block 14 in an adjustable position, and the adjustment block 14 is configured to abut against and / or bear the main body component 100. By providing the adjustment block 14, the support seat 1 can adapt to the main body components 100 of more sizes and shapes.

[0056] In this embodiment, the adjustment block 14 is disposed in the avoidance groove and can abut against one side of the main component 100. The adjustment block 14 cooperates with the enclosure block 13 to enclose a receiving cavity on the cushion block 12. In other embodiments, the adjustment block 14 can also be configured to abut against the bottom surface of the main component 100, or against the bottom surface and the side surface of the main component 100 at the same time.

[0057] More specifically, the support base 1 includes a bottom support block 15 , and the bottom support block 15 is provided with a rack portion. The support base 1 can be placed on a conveyor belt through the rack portion of the bottom support block 15 , so as to facilitate transportation on an automated production line.

[0058] In this embodiment, the cushion block 12 and the bottom support block 15 are respectively connected to the plate surfaces on both sides of the support plate 11, and the enclosure block 13 is a U-shaped structure. The inner cavity of the U-shaped structure is the avoidance groove, and the opening of the U-shaped structure faces the clamp 2. The bearing surface 121 is set on the cushion block 12, and the first stop surface 131 is set on the enclosure block 13.

[0059] Specifically, the clamp 2 includes a bearing block 21, a clamp block 22 and an operating block 23. The bearing block 21 is movably disposed on the support seat 1, the clamp block 22 is connected to the bearing block 21 and is configured to abut against the main component 100, the magnetic attraction member 3 is disposed on the clamp block 22, and the operating block 23 is connected to the bearing block 21. The external driving device can drive the clamp 2 to move through the operating block 23, so that the driving operation of the clamp 2 is more targeted.

[0060] More specifically, the clamp 2 includes a positioning column 24, and the clamp 2 abuts against the main component 100 through the positioning column 24. The above arrangement reduces the contact area between the clamp 2 and the main component 100, ensures the safety of the main component 100, and provides an avoidance space for welding operations.

[0061] In this embodiment, the clamp 2 is provided with two first clamping elastic members 4, which are springs, one end of which is hooked and connected to the cushion block 12, and the other end of which is hooked and connected to the bearing block 21. In other embodiments, the first clamping elastic member 4 can also be other structures such as elastic rubber rods.

[0062] Specifically, the clamp 2 further includes a first positioning elastic member 25, the clamp block 22 includes a first block 221 and a second block 222 connected to each other, the first block 221 is provided with a through hole, the positioning column 24 is provided in the through hole, one end of which is extended from one side of the first block 221, the first positioning elastic member 25 is sandwiched between the other end of the positioning column 24 and the second block 222, and a limiting platform is provided on the outer wall of the positioning column 24, and the limiting platform abuts against the table surface of the inner wall of the through hole under the drive of the first positioning elastic member 25. The above arrangement enables the positioning column 24 to retract and buffer through the first positioning elastic member 25 when abutting against the main component 100, further ensuring the safety of the main component 100.

[0063] More specifically, the clamp 2 further includes a second positioning elastic member 26, the magnetic attraction member 3 includes an outer shell 31 and a magnet 32, the first block 221 is further provided with a mounting groove, the outer shell 31 extends into the mounting groove, the magnet 32 ​​is provided at one end of the outer shell 31, and the second positioning elastic member 26 is sandwiched between the other end of the outer shell 31 and the second block 222. The above arrangement ensures that the magnet 32 ​​is accurately placed in the mounting groove and is not easily displaced or moved.

[0064] In this embodiment, two columnar components 200 are assembled on the main body component 100, and the clamping block 22 positions the main body component 100 through two positioning columns 24. Each columnar component 200 is adsorbed and positioned by a magnetic component 3. Two magnets 32 are arranged at one end of the outer shell 31 of each magnetic component 3. The two magnets 32 are arranged at intervals along the axial direction of the columnar component 200 to ensure that the adsorbed columnar component 200 will not deflect. The first positioning elastic component 25 and the second positioning elastic component 26 are both springs.

[0065] In other embodiments, the number of positioning posts 24 and magnetic elements 3 on the clamping block 22 can be set according to specific requirements, and the first positioning elastic element 25 and the second positioning elastic element 26 can also be other structures such as elastic rubber rods.

[0066] Specifically, the fixture 2 is provided with a positioning groove 2211. When the magnetic attraction member 3 magnetically attracts the columnar component 200, the columnar component 200 is limitedly clamped in the positioning groove 2211. The positioning groove 2211 cooperates with the magnetic attraction member 3 to more accurately position the columnar component 200.

[0067] In this embodiment, the positioning groove 2211 is a V-shaped groove, which is arranged through the axial direction of the columnar component 200 and on a side of the first block 221 away from the second block 222 .

[0068] Specifically, one of the support base 1 and the clamp 2 is provided with a slide rail 5, and the other is provided with a slider 6, and the slider 6 is slidably provided on the slide rail 5. The above arrangement ensures that the clamp 2 can move smoothly relative to the support base 1, and ensures the reliability of clamping.

[0069] More specifically, one of the support base 1 and the clamp 2 is provided with a slide bar 7, and the other is slidably sleeved on the slide bar 7. The above arrangement further ensures that the clamp 2 can move smoothly relative to the support base 1, and ensures the reliability of clamping.

[0070] More specifically, a slide rail 5 and a slide rod 7 are provided on the support seat 1 , and a slide block 6 is provided on the clamp 2 and is slidably sleeved on the slide rod 7 .

[0071] In this embodiment, a slide rail 5 is provided on the support plate 11 of the support seat 1, a slide rod 7 is provided on the enclosure block 13 of the support seat 1, a slider 6 is provided on the bearing block 21 of the clamp 2, and the second block 222 of the clamp 22 of the clamp 2 is sleeved on the two slide rods 7, and a spring is sleeved on the slide rod 7, which pushes the second block 222 to abut against the enclosure block 13.

[0072] In other embodiments, the fixture 2 may be provided with a slide rail 5 and a slide bar 7, and the support seat 1 may be provided with a slider 6, which is slidably sleeved on the slide bar 7. In other embodiments, the fixture 2 may be rotatably connected to the support seat 1 via a pin shaft.

[0073] Specifically, the positioning fixture further includes a clamping arm 8 and a second clamping elastic member 9. The clamping arm 8 is movably disposed on the support seat 1, and the support seat 1 is provided with a second stop surface 141, and the second stop surface 141 is disposed adjacent to the first stop surface 131. When the main body component 100 is placed on the bearing surface 121, the second clamping elastic member 9 is configured to drive the clamping arm 8 to stop the main body component 100 on the second stop surface 141. The clamping arm 8 and the second clamping elastic member 9 cooperate to further clamp and fix the main body component 100 on the bearing surface 121, thereby improving the accuracy and reliability of positioning.

[0074] More specifically, the clamping arm 8 is rotatably arranged on the supporting seat 1. The above arrangement simplifies the structure and reduces the assembly and connection cost.

[0075] In this embodiment, the clamp arm 8 is rotatably connected to the cushion block 12 and the enclosure block 13 via a pin. In other embodiments, the clamp arm 8 can also be slidably disposed on the support seat 1.

[0076] Specifically, the clamping arm 8 is provided with a clamping portion 81 and an operating portion 82 . The clamping portion 81 is configured to abut against the main body component 100 . The external driving device can drive the clamping arm 8 to move through the operating portion 82 , so that the driving operation of the clamping arm 8 is more targeted.

[0077] More specifically, the second stop surface 141 is arranged on the adjustment block 14, and the clamping arm 8 is arranged in the avoidance groove. The user can adjust the installation position of the adjustment block 14 or replace the adjustment block 14 of different sizes according to actual needs, so that the main body component 100 can be more adaptably clamped between the clamping arm 8 and the adjustment block 14.

[0078] In this embodiment, the second clamping elastic member 9 is a spring, one end of which abuts against the cushion block 12, and the other end abuts against the clamping arm 8. In other embodiments, the second clamping elastic member 9 can also be other structures such as an elastic rubber rod column.

[0079] Specifically, the support base 1 is provided with two accommodating cavities, each of which is provided with a clamp 2. The above arrangement enables the support base 1 to carry two main body components 100 assembled with columnar components 200, thereby improving the efficiency of welding processing.

[0080] In this embodiment, two slide rails 5 are arranged on the front of the support plate 11 of the support seat 1, and two bottom support blocks 15 are arranged on the back. The two slide rails 5 are parallel to each other and spaced apart. A clamp 2 is arranged on each slide rail 5 through a slider 6. Two enclosure blocks 13 are installed on the cushion block 12 of the support seat 1. An adjustment block 14 and a clamp arm 8 are arranged in each enclosure block 13. Two slide bars 7 are connected to one side of each enclosure block 13. The second block 222 of the clamp block 22 of the clamp 2 is slidably sleeved on the two slide bars 7. In other embodiments, the number of accommodating cavities on the support seat 1 can also be set according to specific needs.

[0081] The specific method of using the positioning fixture of the utility model is as follows:

[0082] The positioning jig is installed on the synchronous belt through the bottom support block 15, and the synchronous belt drives the positioning jig to move to the specified position.

[0083] The external driving device pushes the operating block 23 and the lower end of the operating portion 82 at the same time, and the clamp 2 drives the clamp block 22 to open horizontally along the slide rod 7, and the clamp arm 8 is forced to rotate and open.

[0084] The external manipulator places the columnar component 200 into the main component 100 , and then places the assembly onto the bearing surface 121 in the inner cavity of the enclosure block 13 .

[0085] The external driving device is reset, and the clamp 2 is reset by the rebound force of the first clamping elastic member 4. The positioning column 24 is used to push the main component 100 to the first stop surface 131 on the inner side of the enclosure block 13 for Y-direction positioning, and then the magnetic component 3 and the positioning groove 2211 on the clamping block 22 are used to magnetically position the columnar component 200 to prepare for subsequent welding. At the same time, the clamping arm 8 is rotated by the rebound force of the second clamping elastic member 9, and the main component 100 is pushed to the second stop surface 141 of the adjustment block 14 for X-direction positioning.

[0086] Then the columnar component 200 is welded to the main component 100 to complete the welding operation.

[0087] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A positioning fixture, characterized in that: include: A support seat (1), the support seat (1) being provided with a receiving cavity, the receiving cavity being provided with a bearing surface (121) and a first stop surface (131), the bearing surface (121) being configured to bear a main body component (100) assembled with a columnar component (200); A clamp (2) movably disposed on the support seat (1); A magnetic attraction member (3), arranged on the clamp (2); A first clamping elastic member (4), when the main body component (100) is placed on the bearing surface (121), the first clamping elastic member (4) is configured to drive the clamp (2) to stop the main body component (100) against the first stop surface (131), and the magnetic attraction member (3) is configured to magnetically attract the side wall of the columnar component (200).

2. The positioning fixture according to claim 1, characterized in that: The clamp (2) comprises: A bearing block (21) movably disposed on the support seat (1); A clamping block (22) connected to the bearing block (21) and configured to abut against the main body component (100), wherein the magnetic attraction member (3) is arranged on the clamping block (22); The operating block (23) is connected to the bearing block (21).

3. The positioning fixture according to claim 1, characterized in that: The clamp (2) comprises a positioning column (24), and the clamp (2) abuts against the main body component (100) via the positioning column (24).

4. The positioning fixture according to claim 1, characterized in that: The clamp (2) is provided with a positioning groove (2211), and when the magnetic attraction member (3) magnetically attracts the columnar component (200), the columnar component (200) is limitedly clamped in the positioning groove (2211).

5. The positioning fixture according to claim 1, characterized in that: One of the support seat (1) and the clamp (2) is provided with a slide rail (5), and the other is provided with a slider (6), and the slider (6) is slidably arranged on the slide rail (5).

6. The positioning fixture according to claim 1, characterized in that: Also includes: A clamping arm (8) is movably arranged on the support seat (1), the support seat (1) is provided with a second stop surface (141), and the second stop surface (141) and the first stop surface (131) are arranged adjacent to each other; A second clamping elastic member (9), when the main body component (100) is placed on the bearing surface (121), the second clamping elastic member (9) is configured to drive the clamping arm (8) to stop the main body component (100) against the second stop surface (141).

7. The positioning fixture according to claim 6, characterized in that: The clamping arm (8) is rotatably disposed on the supporting seat (1).

8. The positioning fixture according to claim 7, characterized in that: An adjustment block (14) is arranged on the support seat (1) in an adjustable manner, and the second stop surface (141) is arranged on the adjustment block (14).

9. The positioning fixture according to claim 1, characterized in that: The support seat (1) comprises a bottom support block (15), and the bottom support block (15) is provided with a rack portion.

10. The positioning fixture according to any one of claims 1 to 9, characterized in that: The support seat (1) is provided with two accommodating cavities, and each of the accommodating cavities is equipped with a clamp (2).

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