Welding clamping device for part machining

Abstract

The welding clamping device for part machining comprises a base and a pair of annular bases arranged on the base, annular grooves are formed in the inner sides of the annular bases, and a set of clamping pieces are installed in the annular grooves; the clamping piece comprises a sliding column embedded in the annular groove and a threaded pipe fixed to the outer end of the sliding column, the threaded pipe is in threaded connection with a first threaded rod, and the bottom end of the first threaded rod extends out of the threaded pipe and is fixedly provided with a clamping block; the top end of the first threaded rod extends out of the threaded pipe and is fixedly provided with a first adjusting block. The sliding column is limited and fixed through a fixing mechanism installed on the annular base. The clamping and fixing device can clamp and fix columnar, tubular and rectangular regular parts and can also clamp and fix parts with irregular and flat side faces, the application range of the clamping and fixing device is widened, and the practicability of the clamping and fixing device is improved.

Description

Technical Field

[0001] The present invention relates to the field of welding clamping devices, in particular to a welding clamping device for parts processing. Background Art

[0002] Welding is a process that uses heat, pressure, or both to achieve atomic bonding of welded parts, thereby forming a permanent connection. It is widely used in the manufacturing industry and is one of the core technologies for joining metal materials. In welding operations, a clamping device is an indispensable device. It is mainly used to clamp and fix the two parts to be welded separately, so that the butt joints of the two can be welded manually using welding equipment such as welding guns.

[0003] At present, the welding clamping devices on the market are often only designed for a single type of parts. For example, cylindrical and tubular parts have corresponding clamping mechanisms to fix their outer arc surfaces, and rectangular block parts have clamping structures to fix their upper and lower flat surfaces. This type of clamping device designed specifically for single-type parts cannot be compatible with parts of multiple shapes through structural adjustment, resulting in the need to configure multiple sets of clamps when welding parts of different shapes. The flexibility of use is low, production costs are increased, and practicality needs to be improved.

[0004] Therefore, we have made improvements to this and proposed a welding clamping device for parts processing. Summary of the Invention

[0005] The purpose of the present invention is to address the problems that the welding clamping devices currently available on the market are often only designed for a single type of parts, such as cylindrical and tubular parts have corresponding clamping mechanisms for fixing their outer arc surfaces, and rectangular block parts have clamping structures for fixing their upper and lower flat surfaces. This type of clamping device designed specifically for single-type parts cannot be compatible with parts of multiple shapes through structural adjustment, resulting in the need to configure multiple sets of clamps when welding parts of different shapes, which has low flexibility of use, increased production costs, and the need to improve practicality.

[0006] In order to achieve the above-mentioned purpose of the invention, the present invention provides the following welding clamping device for parts processing to improve the above-mentioned problem.

[0007] The specific application is as follows:

[0008] A welding clamping device for parts processing includes a base and a pair of annular seats arranged on the base, an annular groove is opened on the inner side of the annular seat, a group of clamping members are installed in the annular groove, the clamping members include a sliding column embedded in the annular groove and a threaded tube fixed to the outer end of the sliding column, a first threaded rod is threadedly connected to the threaded tube, the bottom end of the first threaded rod extends out of the threaded tube and is fixed with a clamping block, and the top end of the first threaded rod extends out of the threaded tube and is fixed with a first adjusting block; wherein, the sliding column is limited and fixed by a fixing mechanism installed on the annular seat.

[0009] As a preferred technical solution of the present application, there are mounting plates on both sides of the base, and mounting holes for fixed connection with the workbench are opened on the mounting plates.

[0010] As a preferred technical solution of the present application, a forward and reverse screw rod is installed on one side of the top of the base, and a sliding rod is installed on the other side. The bottom of the annular seat is fixed with a pair of extensions in a V shape, wherein the end of one of the extensions has a threaded seat that cooperates with the thread of the forward and reverse screw rods, and the end of the other extension has a sliding seat that is slidably connected to the sliding rod, and the ends of the forward and reverse screw rods are provided with handles.

[0011] As a preferred technical solution of the present application, the fixing mechanism includes a fixing ring movably installed in the annular groove, a fixing tube is slidably sleeved on the sliding column, a groove is provided in the middle of the fixing tube, the fixing ring is located on the outside of the fixing tube and the inner end of the fixing ring is located in the groove, and the fixing block is connected to the inner wall of the groove through an adjusting assembly installed on the annular seat.

[0012] As a preferred technical solution of the present application, the inner end of the sliding column has a fixed block, the connecting end of the fixed block and the sliding column has an arc-shaped inclined surface, the length of the fixed tube is smaller than the length of the sliding column, and the inner end of the fixed tube has an arc-shaped concave surface adapted to the arc-shaped inclined surface.

[0013] As a preferred technical solution of the present application, the adjustment assembly includes a second threaded rod rotatably mounted on the outside of the annular seat, the outer end of the second threaded rod has a second adjustment block, and the fixing ring is fixed with a threaded connection block that is threadedly connected to the second threaded rod.

[0014] As a preferred technical solution of the present application, the adjustment assembly includes a guide rod fixedly mounted on the outside of the annular seat and centrally symmetrical to the second threaded rod, and a sliding connection block adapted to be inserted and connected with the guide rod is fixed on the fixed ring.

[0015] As a preferred technical solution of the present application, a pair of movable notches connected to the annular groove are provided on the annular seat, and the threaded connection block and the sliding connection block respectively move in the corresponding movable notches.

[0016] As a preferred technical solution of the present application, a limiting inner ring and a limiting outer ring are respectively installed on the inner side of the annular seat, and a group of connecting seats are respectively fixed to the inner ring end and the outer side of the annular seat, and the limiting inner ring and the limiting outer ring respectively have raised connecting parts corresponding to the connecting seats, and the limiting inner ring and the limiting outer ring are installed at the notch of the annular groove and a gap is left between the two for the sliding column to pass through.

[0017] As a preferred technical solution of the present application, a gap is left between the inner limiting ring, the outer limiting ring and the outer end of the fixed tube.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] In the scheme of this application:

[0020] 1. A set of clamping members is slidably arranged on the annular seat. The position of the clamping members in the annular groove of the annular seat can be adjusted by moving the clamping members. The clamping members can rotate by means of the sliding posts embedded in the annular groove, that is, the orientation of the clamping blocks on the clamping members can be adjusted. In addition to being able to clamp and fix cylindrical, tubular and some rectangular parts, it can also clamp and fix some parts with irregular and flat sides, thereby improving its scope of application and practicality.

[0021] 2. Through the provided fixing mechanism, the second threaded rod is rotated to drive the fixing ring to separate from the inner wall of the groove on the fixing tube, thereby releasing the close contact between the fixing tube, the fixing block and the inner wall of the annular groove, making it easier to adjust the position of the clamping piece on the annular seat. Moreover, a single fixing ring can be used to synchronously control the fixing tubes on all the clamping pieces, making the operation more convenient and further improving the practicality of the clamping device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a welding clamping device for parts processing provided by this application;

[0023] Figure 2 This is a schematic diagram of the overall structure of an annular seat of a welding clamping device for parts processing provided by the present application;

[0024] Figure 3 A welding clamping device for parts processing provided in this application Figure 2 Enlarged view of point A in the middle;

[0025] Figure 4This is a structural diagram of the separation of the annular seat and the fixing ring of a welding clamping device for parts processing provided by the present application;

[0026] Figure 5 A schematic structural diagram of a fixing ring and a clamping member in a welding clamping device for parts processing provided by the present application;

[0027] Figure 6 A partial side sectional view of an adjusting assembly on a ring seat of a welding clamping device for parts processing provided by the present application;

[0028] Figure 7 This is a schematic structural diagram of a clamping member of a welding clamping device for parts processing provided in this application.

[0029] Indicated in the figure:

[0030] 100, base; 101, mounting plate; 102, mounting hole; 103, forward and reverse screw rods; 104, slide rod;

[0031] 200, annular seat; 201, annular groove; 202, extension; 203, threaded seat; 204, sliding seat; 205, handle; 206, movable notch;

[0032] 300, clamping member; 301, sliding column; 302, threaded tube; 303, first threaded rod; 304, clamping block; 305, first adjusting block;

[0033] 400, fixing ring; 401, fixing tube; 402, groove; 403, fixing block; 404, arc-shaped inclined surface; 405, arc-shaped concave surface; 406, second threaded rod; 407, second adjustment block; 408, threaded connection block; 409, guide rod; 410, sliding connection block;

[0034] 500, inner limiting ring; 501, outer limiting ring; 502, connecting seat; 503, raised connecting part. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0036] The present invention will be further described below with reference to the embodiments.

[0037] Example: Refer to Figures 1 to 7A welding clamping device for parts processing is mainly used to solve the problem that welding clamping devices on the market are often only designed for a single type of parts. Such clamping devices designed specifically for single parts cannot be structurally adjusted to be compatible with parts of multiple shapes. As a result, multiple sets of clamps need to be configured when welding parts of different shapes, which reduces flexibility, increases production costs, and requires improvement in practicality.

[0038] Specifically, refer to Figures 1 to 3 The welding clamping device includes a base 100, which provides support for the entire clamping device. A pair of annular seats 200 are arranged on the base 100. The two annular seats 200 are symmetrically arranged at both ends of the base 100, and the middle of the annular seat 200 is hollow. When welding, the part is placed in the middle of the annular seat 200. An annular groove 201 is opened on the inner side of the annular seat 200 (the opposite side of the two annular seats 200). A group of clamping members 300 are installed in the annular groove 201. Preferably, the number of the clamping members 300 is 6, that is, it can provide 6-direction fixation when clamping the part, which is convenient for parts of different shapes. For fixation, the clamping member 300 includes a sliding column 301 embedded in the annular groove 201 and a threaded tube 302 fixed to the outer end of the sliding column 301. The sliding column 301 slides freely in the annular groove 201, and the position of the threaded tube 302 is adjusted to adapt to the clamping of the corresponding parts. A first threaded rod 303 is threadedly connected to the threaded tube 302, and the bottom end of the first threaded rod 303 extends out of the threaded tube 302 and is fixed with a clamping block 304, and the top end of the first threaded rod 303 extends out of the threaded tube 302 and is fixed with a first adjusting block 305; wherein, the sliding column 301 is fixed by a fixing mechanism installed on the annular seat 200.

[0039] The annular seat 200 is provided, and a set of clamping members 300 are slidably provided on the annular seat 200. The position of the clamping members 300 in the annular groove 201 on the annular seat 200 is adjusted by moving the clamping members 300. The clamping members 300 can rotate by means of the sliding posts 301 embedded in the annular groove 201, that is, the orientation of the clamping blocks on the clamping members 300 can be adjusted. In addition to being able to clamp and fix cylindrical, tubular, and some rectangular regular parts, it can also clamp and fix some parts with irregular and flat sides, thereby improving its scope of application and practicality.

[0040] like Figure 1As shown in , the annular seat 200 in this state can clamp and fix columnar and tubular parts. When it is necessary to fix rectangular parts, it is only necessary to adjust the directions of the six threaded tubes 302 in the figure to be evenly distributed rectangular shapes. Correspondingly, to clamp and fix some parts with irregular and flat sides, it is only necessary to move a single threaded tube 302 to a surface where the clamping block can contact and fix it. It can be understood that the clamping piece 300 at the bottom of the annular seat 200 is adjusted first so that the direction of the clamping block 304 on the clamping piece 300 at this location is convenient for the placement of the part, so that the remaining clamping pieces 300 can fix the side surfaces of the part in sequence.

[0041] Specifically, refer to Figure 1 There are mounting plates 101 on both sides of the base 100. The mounting plates 101 are provided with mounting holes 102 for fixed connection with the workbench. The base 100 can be fixed on the workbench for convenient welding by fasteners such as bolts, and is easy to disassemble and transfer.

[0042] Specifically, refer to Figure 1 A forward and reverse screw rod 103 is installed on one side of the top of the base 100. The threaded parts at both ends of the forward and reverse screw rod 103 are in opposite directions. A slide rod 104 is installed on the other side of the top of the base 100. The bottom of the annular seat 200 is V-shaped and fixed with a pair of extensions 202. The end of one of the extensions 202 has a threaded seat 203 that is threadedly matched with the forward and reverse screw rod 103. The end of the other extension 202 has a slide seat 204 that is slidably connected to the slide rod 104. The end of the forward and reverse screw rod 103 is provided with a handle 2 05. By setting the forward and reverse screw rods 103 and the sliding rod 104, the rotating handle 205 can adjust the relative distance between the two annular seats 200, so as to better adapt to parts of different lengths and further improve the welding operation range of the clamping device. The forward and reverse screw rods 103 are located on one side of the top of the base 100, and cooperate with the inclined extension part 202 on the annular seat 200, which can reduce the probability of some debris falling on the forward and reverse screw rods 103 when welding parts, which is beneficial to the maintenance of the forward and reverse screw rods 103.

[0043] Considering that a plurality of clamping members 300 are provided on the welding clamping device, it is necessary to unlock and re-secure each clamping member 300 in sequence when adjusting the position thereof, which is a rather cumbersome operation. Therefore, a fixing mechanism is further provided in the present application. The fixing mechanism is used to quickly limit and fix all the sliding columns 301 in the annular groove 201, thereby fixing the positions of all the clamping members 300 on the annular seat 200 and the orientations of the clamping blocks 304, thereby improving the convenience of operation.

[0044] Specifically, refer to Figures 2 to 6The fixing mechanism includes a fixing ring 400 movably installed in the annular groove 201, and a fixing tube 401 is slidably sleeved on the sliding column 301. The fixing tube 401 can slide relatively along the axial direction of the sliding column 301. A groove 402 is opened in the middle of the fixing tube 401. The groove 402 is a groove concave along the circumferential direction of the fixing tube 401. The fixing ring 400 is located on the outside of the fixing tube 401 and the inner end of the fixing ring 400 is located in the groove 402. The fixing block 403 is connected to the inner wall of the groove 402 by an adjusting component installed on the annular seat 200. The inner end of the sliding column 301 has a fixing block 403, and the connecting end of the fixing block 403 and the sliding column 301 has an arc-shaped inclined surface 404. The length of the fixing tube 401 is less than the length of the sliding column 301, and the inner end of the fixing tube 401 has an arc-shaped recessed groove adapted to the arc-shaped inclined surface 404. Surface 405, by adjusting the position of the fixing ring 400, such as when the fixing ring 400 is in close contact with the inner wall of the groove 402, the fixing block 403 is also in close contact with the inner wall of the annular groove 201 (preferably, the fixing block 403 and the inner wall of the annular groove 201 are both provided with protective lines to improve the stability of the fixation of the clamping member 300), the clamping member 300 is quickly fixed. On the contrary, when the fixing ring 400 is separated from the inner wall of the groove 402, the close contact state between the fixing tube 401, the fixing block 403 and the inner wall of the annular groove 201 is released, and the position of the movable sliding column 301 in the annular groove 201 can be synchronously controlled by a single fixing ring 400, which makes the operation more convenient and further improves the practicality of the clamping device.

[0045] Specifically, refer to Figures 2 to 6 The adjusting component includes a second threaded rod 406 rotatably mounted on the outside of the annular seat 200, and the outer end of the second threaded rod 406 has a second adjusting block 407. A threaded connecting block 408 that is threadedly connected to the second threaded rod 406 is fixed on the fixing ring 400, including a guide rod 409 that is fixedly mounted on the outside of the annular seat 200 and is centrally symmetrical with the second threaded rod 406. A sliding connecting block 410 that is adapted to be inserted and connected with the guide rod 409 is fixed on the fixing ring 400. By rotating the second threaded rod 406, under the limiting guidance of the guide rod 409, the threaded connecting block 408 on the second threaded rod 406 can move along its axial direction, thereby adjusting whether the fixing ring 400 is in close contact with the groove 402 on the fixing tube 401. The structure is simple and the operation is convenient.

[0046] Specifically, refer to Figures 2 to 4 A pair of movable notches 206 communicating with the annular groove 201 are provided on the annular seat 200. The threaded connection block 408 and the sliding connection block 410 move in the corresponding movable notches 206 respectively, so that the threaded connection block 408 and the sliding connection block 410 are located on the annular seat 200, with a compact structure and space saving.

[0047] Specifically, refer to Figures 2 to 4 The inner side of the annular seat 200 is further provided with a limiting inner ring 500 and a limiting outer ring 501, and a group of connecting seats 502 are fixed to the inner ring end and the outer side of the annular seat 200 respectively. The limiting inner ring 500 and the limiting outer ring 501 respectively have a protruding connecting portion 503 corresponding to the connecting seat 502, and the protruding connecting portion 503 and the connecting seat 502 are both provided with connecting holes so as to be fixedly connected by fasteners such as bolts and nuts. The limiting inner ring 500 and the limiting outer ring 501 are installed at the notch of the annular groove 201 and a gap is left between the two for the sliding column 301 to pass through, so that the clamping member 300 can slide along the annular groove 201 to adjust its position. A gap is left between the limiting inner ring 500 and the limiting outer ring 501 and the outer end of the fixed tube 401, and the limiting inner ring 500 and the limiting outer ring 501 limit the fixed tube 401 and block the annular groove 201, which is beneficial to reducing the probability of impurities entering the annular groove 201;

[0048] The use process of the welding clamping device for parts processing provided by the present invention is as follows:

[0049] First, by rotating the handle 205 clockwise or counterclockwise to drive the corresponding rotation of the forward and reverse screws 103, the relative position between the two annular seats 200 is adjusted according to the lengths of the two parts to be welded. Preferably, the annular seat 200 is located in the middle of the parts to be welded;

[0050] Then, by rotating the second adjusting block 407 clockwise or counterclockwise to drive the corresponding rotation of the second threaded rod 406, the positions of the multiple clamping members 300 on the annular seat 200 are adjusted according to the side conditions of the two parts to be welded. When the clamping member 300 needs to be moved, the fixing ring 400 is adjusted to separate from the groove 402 on the fixing tube 401. After the clamping member 300 moves to the corresponding position, the threaded tube 302 is manually rotated to rotate it so that the clamping block 304 corresponds to the opposite surface of the part to be clamped, and then the fixing ring 400 is in close contact with the groove 402 on the fixing tube 401 (that is, the fixing block 403 on the sliding column 301 is in close contact with the inner wall of the annular groove 201 to complete the limited fixation of the sliding column 301); when clamping the part, the first adjusting block 305 can be rotated to make the first threaded rod 303 move axially with the clamping block 304 along the threaded tube 302 until it is in close contact with the side of the part, thereby completing the fixation of the part.

[0051] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0052] Obviously, the embodiments described above are only some embodiments of the present invention, rather than all embodiments. The preferred embodiments of the present invention are given in the accompanying drawings, but they do not limit the patent scope of the present invention. The present invention can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive. Although the present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned specific embodiments, or to make equivalent replacements for some of the technical features therein. Any equivalent structure made using the contents of the present invention specification and drawings, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the present invention.

Claims

1. A welding clamping device for parts processing, characterized in that: The invention comprises a base (100), a pair of annular seats (200) arranged on the base (100), an annular groove (201) is provided on the inner side of the annular seat (200), a group of clamping members (300) is installed in the annular groove (201), the clamping member (300) comprises a sliding column (301) embedded in the annular groove (201) and a threaded tube (302) fixed to the outer end of the sliding column (301), a first threaded rod (303) is threadedly connected to the threaded tube (302), the bottom end of the first threaded rod (303) extends out of the threaded tube (302) and is fixed with a clamping block (304), and the top end of the first threaded rod (303) extends out of the threaded tube (302) and is fixed with a first adjusting block (305); wherein the sliding column (301) is fixed by a fixing mechanism installed on the annular seat (200).

2. A welding clamping device for parts processing according to claim 1, characterized in that: The base (100) has mounting plates (101) on both sides, and the mounting plates (101) are provided with mounting holes (102) for fixed connection with a workbench.

3. A welding clamping device for parts processing according to claim 2, characterized in that: A forward and reverse screw rod (103) is installed on one side of the top of the base (100), and a slide rod (104) is installed on the other side. The bottom of the annular seat (200) is fixed with a pair of extension parts (202) in a V shape, wherein the end of one of the extension parts (202) has a threaded seat (203) that is threadedly matched with the forward and reverse screw rod (103), and the end of the other extension part (202) has a slide seat (204) that is slidably connected to the slide rod (104). The end of the forward and reverse screw rod (103) is provided with a handle (205).

4. A welding clamping device for parts processing according to claim 3, characterized in that: The fixing mechanism comprises a fixing ring (400) movably mounted in the annular groove (201); a fixing tube (401) is slidably sleeved on the sliding column (301); a groove (402) is provided in the middle of the fixing tube (401); the fixing ring (400) is located outside the fixing tube (401) and the inner end of the fixing ring (400) is located in the groove (402); the fixing block (403) is connected to the inner wall of the groove (402) by an adjusting assembly mounted on the annular seat (200).

5. A welding clamping device for parts processing according to claim 4, characterized in that: The inner end of the sliding column (301) has a fixed block (403), the connecting end of the fixed block (403) and the sliding column (301) has an arc-shaped inclined surface (404), the length of the fixed tube (401) is shorter than the length of the sliding column (301), and the inner end of the fixed tube (401) has an arc-shaped concave surface (405) adapted to the arc-shaped inclined surface (404).

6. A welding clamping device for parts processing according to claim 5, characterized in that: The adjustment assembly comprises a second threaded rod (406) rotatably mounted on the outside of the annular seat (200), the outer end of the second threaded rod (406) having a second adjustment block (407), and a threaded connection block (408) threadedly connected to the second threaded rod (406) being fixed on the fixing ring (400).

7. A welding clamping device for parts processing according to claim 6, characterized in that: The adjustment assembly includes a guide rod (409) fixedly mounted on the outside of the annular seat (200) and centrally symmetrical with the second threaded rod (406); a sliding connection block (410) adapted to be inserted and connected with the guide rod (409) is fixed on the fixing ring (400).

8. A welding clamping device for parts processing according to claim 7, characterized in that: The annular seat (200) is provided with a pair of movable notches (206) in communication with the annular groove (201), and the threaded connection block (408) and the sliding connection block (410) respectively move in the corresponding movable notches (206).

9. A welding clamping device for parts processing according to claim 8, characterized in that: A limiting inner ring (500) and a limiting outer ring (501) are respectively installed on the inner side of the annular seat (200), and a group of connecting seats (502) are respectively fixed to the inner ring end and the outer side of the annular seat (200). The limiting inner ring (500) and the limiting outer ring (501) respectively have a protruding connecting portion (503) corresponding to the connecting seat (502). The limiting inner ring (500) and the limiting outer ring (501) are installed at the notch of the annular groove (201) and a gap is left between the two for the sliding column (301) to pass through.

10. A welding clamping device for parts processing according to claim 9, characterized in that: A gap is left between the inner limiting ring (500), the outer limiting ring (501) and the outer end of the fixing tube (401).

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