Special-shaped pipe welding and fixing device

Abstract

The utility model discloses a special-shaped pipe welding and fixing device, relates to the technical field of pipe fitting welding, and solves the problems that the production cost is increased and certain limitation is caused due to the fact that the special-shaped pipe welding and fixing device generally needs to be matched with work fixtures of different models when pipe fittings of different shapes are subjected to welding production. A special pipe welding fixing device comprises a bottom plate; the bottom plate adopts a rectangular plate structure; the two sides of the top of the bottom plate are each fixedly provided with a first guide rail. The tops of the two first guide rails are each provided with a clamping mechanism. The clamping mechanism further comprises a fixing plate which is of a U-shaped plate structure. Two groups of connecting shafts with cylindrical structures are rotationally arranged between the two groups of fixing plates; a lower ring with a semicircular structure is fixedly connected between the two groups of connecting shafts; the top of the lower ring is rotationally connected with an upper ring of a semicircular structure. And the pipe fitting can be well fixed and clamped in different directions, and the universality of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipe welding, and more specifically, particularly relates to a special-shaped pipe welding and fixing device. Background Art

[0002] Special-shaped pipes are seamless steel pipes made of various special shapes by cold drawing. Their appearance shapes are mostly irregular in shape and structure. Therefore, it is difficult to fix them well through conventional clamps during the welding process.

[0003] The current special-shaped pipe fixing device still has the following shortcomings:

[0004] The current special-shaped pipe fixing device is usually only suitable for special-shaped pipes of one shape, and it is difficult to better fix and clamp special-shaped pipes of different shapes. Therefore, when welding and producing pipes of different shapes, it is usually necessary to match different types of tooling fixtures, which leads to an increase in production costs and has certain limitations. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a special-shaped pipe welding and fixing device to solve the problem proposed in the above background technology that different types of tooling fixtures are usually required to be matched when welding pipes of different shapes, resulting in increased production costs and certain limitations.

[0006] The purpose and effect of the special-shaped pipe welding and fixing device of the utility model are achieved by the following specific technical means:

[0007] A special-shaped pipe welding and fixing device comprises: a bottom plate; the bottom plate adopts a rectangular plate structure; a group of first guide rails are fixedly arranged on both sides of the top of the bottom plate; a group of clamping mechanisms are arranged on the tops of the two groups of first guide rails; the clamping mechanism also comprises: a fixing plate, the fixing plate adopts a U-shaped plate structure, two groups of fixing plates are arranged in a left-right symmetrical manner, and a through-type screw hole structure is opened at the bottom of the fixing plate; two groups of connecting shafts with cylindrical structures are rotatably arranged between the two groups of fixing plates; a lower ring with a semicircular ring structure is fixedly connected between the two groups of connecting shafts, and the outer side of the lower ring is provided with a through-type screw hole structure in a ring array, and one end of the lower ring is provided with a through-type circular through groove structure; an upper ring with a semicircular ring structure is rotatably connected at the top of the lower ring, and the outer side of the upper ring is provided with a through-type screw hole structure in a ring array, and one end of the upper ring is provided with a through-type circular through groove structure.

[0008] Furthermore, a first lead screw is rotatably provided on the inner side of the first guide rail; a first motor is fixedly provided on one side of the first guide rail, and the first motor is transmission-connected to the first lead screw; a second guide rail is slidably provided on the top of the first guide rail, and the second guide rail is threadedly connected to the first lead screw; a second lead screw is rotatably provided on the inner side of the second guide rail, and the second lead screw is threadedly connected to the two sets of fixed plates; a second motor is fixedly provided on one end of the second guide rail, and the second motor is transmission-connected to the second lead screw.

[0009] Furthermore, a worm gear is fixedly arranged on the outer side of one end of the connecting shaft; a worm is rotatably arranged on one side of the fixing plate, and the worm is meshingly connected with the worm gear.

[0010] Furthermore, screw rods are arranged in a circular array in the screw holes on the outer sides of the lower ring and the upper ring and are rotatably matched with threads; a clamping block with a rectangular block structure is fixedly arranged on the inner end of the screw rod, and the clamping block is made of a rubber block material; a pin rod with a T-shaped rod structure is fixedly arranged in the circular through groove at one end of the lower ring and the upper ring, and the diameter of the pin rod matches the diameter of the circular through groove of the lower ring and the upper ring.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the present application, through the cooperation of various groups of parts, according to the different shapes of pipe fittings, the screws are rotated in different directions. By rotating the screws in different directions, the clamping block can be in close contact with the outer wall of the pipe fitting, so that the pipe fitting can be better fixed and clamped from different directions, meeting the fixing needs of special-shaped pipes of different shapes, improving the versatility of the device, and facilitating the reduction of production costs.

[0013] By providing the first guide rail and the second guide rail and adjusting the position of the pipe fittings, the welding points of the two groups of pipe fittings can be better butted together, which facilitates the welding work and ensures the accuracy of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall axial structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the overall side structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the overall top view structure of the utility model.

[0017] Figure 4 It is a schematic diagram of the lower ring, upper ring and screw splitting structure of the utility model.

[0018] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0019] 1. Bottom plate; 101. First guide rail; 102. First lead screw; 103. First motor; 104. Second guide rail; 105. Second lead screw; 106. Second motor; 2. Clamping mechanism; 201. Fixed plate; 202. Connecting shaft; 203. Worm gear; 204. Worm; 205. Lower ring; 206. Upper ring; 207. Screw; 208. Clamping block; 209. Pin. DETAILED DESCRIPTION

[0020] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0021] Embodiment 1:

[0022] As attached Figure 1 To Attachment Figure 4 As shown:

[0023] The utility model provides a special-shaped pipe welding fixing device, comprising: a bottom plate 1; the bottom plate 1 adopts a rectangular plate structure; a group of first guide rails 101 are fixedly arranged on both sides of the top of the bottom plate 1; a group of clamping mechanisms 2 are arranged on the tops of the two groups of first guide rails 101; the clamping mechanisms 2 also include: a fixing plate 201, the fixing plate 201 adopts a U-shaped plate structure, there are two groups of fixing plates 201, and the two groups of fixing plates 201 are arranged symmetrically, and a through-type screw hole structure is opened at the bottom of the fixing plate 201; the two groups of fixing plates 201 are connected to each other. Two groups of cylindrical connecting shafts 202 are rotatably arranged between the two groups of connecting shafts 202; a lower ring 205 with a semicircular ring structure is fixedly connected between the two groups of connecting shafts 202, and the outer side of the lower ring 205 is provided with a through-type screw hole structure in a circular array, and one end of the lower ring 205 is provided with a through-type circular through groove structure; an upper ring 206 with a semicircular ring structure is rotatably connected to the top of the lower ring 205, and the outer side of the upper ring 206 is provided with a through-type screw hole structure in a circular array, and one end of the upper ring 206 is provided with a through-type circular through groove structure.

[0024] A worm gear 203 is fixedly disposed on the outer side of one end of the connecting shaft 202 ; a worm 204 is rotatably disposed on one side of the fixing plate 201 , and the worm 204 is meshingly connected with the worm gear 203 .

[0025] Among them, screw rods 207 are rotatably arranged in a circular array in the screw holes on the outer sides of the lower ring 205 and the upper ring 206 through threaded cooperation; a clamping block 208 with a rectangular block structure is fixedly arranged on the inner end of the screw rod 207, and the clamping block 208 is made of rubber block material; a pin rod 209 with a T-shaped rod structure is fixedly arranged in the circular through groove at one end of the lower ring 205 and the upper ring 206, and the diameter of the pin rod 209 matches the diameter of the circular through groove of the lower ring 205 and the upper ring 206.

[0026] When in use, the upper ring 206 is rotated around the lower ring 205 so that the circular groove at one end of the upper ring 206 overlaps with the circular groove at one end of the lower ring 205, and then the pin rod 209 is inserted into the inner side of the circular groove on one side of the upper ring 206 and the lower ring 205, and the upper ring 206 and the lower ring 205 are fixedly connected by the pin rod 209, and then the two sets of heterogeneous pipe fittings to be welded are respectively inserted into the middle of the upper ring 206 and the lower ring 205 of the two sets of clamping mechanisms 2, and then according to the shape of the pipe fittings, Select and rotate the corresponding groups of screw rods 207 so that the screw rods 207 move inward along the screw holes of the upper ring 206 and the lower ring 205, so that each group of clamping blocks 208 contacts the outer wall of the pipe fitting; then drive the worm wheel 203 to rotate by rotating the worm 204, thereby synchronously driving the connecting shaft 202 to rotate between the two groups of fixed plates 201, and driving the pipe fittings between the upper ring 206 and the lower ring 205 to rotate, so as to facilitate the adjustment of the welding angle of the pipe fittings and bring better use effect.

[0027] Embodiment 2:

[0028] Based on Example 1, as shown in the attached Figure 1 To Attachment Figure 4 As shown:

[0029] Among them, a first lead screw 102 is rotatably arranged on the inner side of the first guide rail 101; a first motor 103 is fixedly arranged on one side of the first guide rail 101, and the first motor 103 is transmission-connected to the first lead screw 102; a second guide rail 104 is slidably arranged on the top of the first guide rail 101, and the second guide rail 104 is connected to the first lead screw 102 by threaded fitting; a second lead screw 105 is rotatably arranged on the inner side of the second guide rail 104, and the second lead screw 105 is connected to the two sets of fixed plates 201 by threaded fitting; a second motor 106 is fixedly arranged at one end of the second guide rail 104, and the second motor 106 is transmission-connected to the second lead screw 105.

[0030] After the two groups of pipe fittings are fixed and clamped, in order to align the two groups of rotated pipe fittings, the first motor 103 can be started to drive the first screw 102 to rotate, so that the second guide rail 104 slides left and right along the top of the first guide rail 101, thereby adjusting the left and right direction of the pipe fittings, and then the second motor 106 is started to drive the second screw 105 to rotate, thereby driving the two groups of fixed plates 201 to slide back and forth along the second guide rail 104, thereby adjusting the position of the pipe fittings in the front and back directions.

Claims

1. A special-shaped pipe welding and fixing device, characterized in that: include: The bottom plate (1) adopts a rectangular plate structure; a group of first guide rails (101) are fixedly arranged on both sides of the top of the bottom plate (1); a group of clamping mechanisms (2) are arranged on the top of the two groups of first guide rails (101); the clamping mechanisms (2) further include: a fixed plate (201), the fixed plate (201) adopts a U-shaped plate structure, there are two groups of fixed plates (201), and the two groups of fixed plates (201) are arranged symmetrically, and a through-type screw hole structure is opened at the bottom of the fixed plate (201); a screw hole structure is rotatably arranged between the two groups of fixed plates (201); Two groups of connecting shafts (202) of cylindrical structures; a lower ring (205) of a semicircular ring structure is fixedly connected between the two groups of connecting shafts (202), and the outer side of the lower ring (205) is provided with a through-type screw hole structure in the shape of a ring array, and one end of the lower ring (205) is provided with a through-type circular through groove structure; an upper ring (206) of a semicircular ring structure is rotatably connected to the top of the lower ring (205), and the outer side of the upper ring (206) is provided with a through-type screw hole structure in the shape of a ring array, and one end of the upper ring (206) is provided with a through-type circular through groove structure.

2. A special-shaped pipe welding and fixing device as claimed in claim 1, characterized in that: A first lead screw (102) is rotatably arranged on the inner side of the first guide rail (101); a first motor (103) is fixedly arranged on one side of the first guide rail (101), and the first motor (103) is transmission-connected to the first lead screw (102).

3. A special-shaped pipe welding and fixing device as claimed in claim 1, characterized in that: A second guide rail (104) is slidably arranged at the top of the first guide rail (101), and the second guide rail (104) is connected to the first lead screw (102) by means of threaded fit; a second lead screw (105) is rotatably arranged inside the second guide rail (104), and the second lead screw (105) is connected to the two sets of fixed plates (201) by means of threaded fit; a second motor (106) is fixedly arranged at one end of the second guide rail (104), and the second motor (106) is transmission-connected to the second lead screw (105).

4. A special-shaped pipe welding and fixing device as claimed in claim 1, characterized in that: A worm wheel (203) is fixedly arranged on the outer side of one end of the connecting shaft (202); a worm (204) is rotatably arranged on one side of the fixing plate (201), and the worm (204) is meshingly connected with the worm wheel (203).

5. A special-shaped pipe welding and fixing device as claimed in claim 1, characterized in that: Screw rods (207) are rotatably arranged in an annular array in the screw holes on the outside of the lower ring (205) and the upper ring (206) through threaded engagement.

6. A special-shaped pipe welding and fixing device as claimed in claim 5, characterized in that: A clamping block (208) with a rectangular block structure is fixedly arranged at the inner end of the screw rod (207), and the clamping block (208) is made of a rubber block material; a pin rod (209) with a T-shaped rod structure is fixedly arranged in the circular through groove at one end of the lower ring (205) and the upper ring (206), and the diameter of the pin rod (209) matches the diameter of the circular through groove of the lower ring (205) and the upper ring (206).

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