Positioning and welding device for mechanical part machining

Abstract

The utility model discloses a positioning welding device for mechanical part processing, which comprises a workbench, a welding assembly and a chip removal channel, the top of the workbench is fixedly connected with a left air cylinder and a right air cylinder, the output ends of the two air cylinders are both fixedly connected with a quick replacement mechanism, the quick replacement mechanism comprises a sliding block, and the sliding block is in sliding connection with the top of the workbench. The top of the sliding block is rotationally connected with a rotating rod, the end, located above the sliding block, of the rotating rod is fixedly connected with a disc, a plurality of containing grooves are formed in the annular face of the rotating rod at equal intervals, and a fixing rod is fixedly connected between the top and the bottom of the inner wall of each containing groove. According to the positioning and welding device for machining the mechanical parts, when the mechanical parts of different shapes are clamped and positioned, the proper clamping plates are switched through the quick switching mechanism to clamp the mechanical parts, so that the clamping effect is effectively improved, and the practicability of the device in use is improved.

Description

Technical Field

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

[0002] Mechanical parts, also known as mechanical elements, are the basic components that make up machinery and are the inseparable individual parts that make up machinery and machines.

[0003] Chinese patent publication number "CN217801175U" discloses a positioning tool for machining and producing mechanical parts, including: a base plate, legs in an inverted T-shaped structure are fixed on both sides of the bottom of the base plate, and a first fixed plate is welded on the right side of the upper end of the base plate.

[0004] This patent uses the movement of a clamping plate to achieve clamping and positioning during use. However, mechanical parts have various shapes. If clamping and positioning is achieved by using a flat clamping plate, the clamping and positioning effect may not be good enough, resulting in loosening during processing. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a positioning welding device for machining mechanical parts, which solves the problem that the clamping and positioning effect of the positioning welding device for machining mechanical parts is not good enough.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a positioning welding device for machining mechanical parts includes a workbench, a welding assembly and a chip removal channel, the top of the workbench is fixedly connected to two left and right cylinders, the output ends of the two cylinders are fixedly connected to a quick-changing mechanism, the quick-changing mechanism includes a slider, the slider is slidably connected to the top of the workbench, the top of the slider is rotatably connected to a rotating rod, one end of the rotating rod located above the slider is fixedly connected to a disc, a plurality of storage grooves are equidistantly provided on the annular surface of the rotating rod, a fixing rod is fixedly connected between the top and bottom of the inner wall of the storage groove, a connecting rod is rotatably connected to the surface of the fixing rod, the other ends of the plurality of connecting rods are respectively fixedly connected to splints of different shapes, and a limiting assembly for storing and unfolding the connecting rod is provided inside the disc.

[0007] Preferably, a torsion spring is sleeved on the surface of the fixing rod between the connecting rods, one end of the torsion spring is fixedly connected to the surface of the fixing rod, and the other end of the torsion spring is fixedly connected to the connecting rod.

[0008] Preferably, one end of the rotating rod located inside the slider is fixedly connected to the first bevel gear, the front side of the slider is rotatably connected to the rotating rod, and the rotating rod extends to the inside of the slider, and one end of the rotating rod located inside the slider is fixedly connected to the second bevel gear, and the second bevel gear is meshed with the first bevel gear for transmission.

[0009] Preferably, the limit assembly includes a plurality of limit rods, which are slidably connected to the inner surface of the storage groove, and the limit rods penetrate the disc and extend to the interior of the disc, and one end of the plurality of connecting rods located inside the storage groove is fixedly connected to a limit block that cooperates with the limit rod.

[0010] Preferably, the surface of the limiting rod located inside the disc is fixedly connected to a baffle, and the surface of the limiting rod located on one side of the baffle is sleeved with a return spring.

[0011] Preferably, the bottom of the inner wall in the middle part of the disk is rotatably connected to the disk via a connecting shaft, and the annular surface of the disk is rotatably connected to multiple L-shaped pull rods at equal intervals. A guide groove is provided at one end of the multiple limit rods located inside the disk, and the other ends of the multiple L-shaped pull rods are respectively located inside the guide grooves at corresponding positions.

[0012] Beneficial Effects

[0013] The utility model provides a positioning welding device for machining mechanical parts. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The positioning welding device for machining mechanical parts includes a slider through a quick change mechanism. The slider is slidably connected to the top of the workbench. The top of the slider is rotatably connected to a rotating rod. One end of the rotating rod located above the slider is fixedly connected to a disc. When clamping and positioning mechanical parts of different shapes, the quick conversion mechanism is used to convert suitable clamping plates to clamp the mechanical parts, thereby effectively improving the clamping effect and improving the practicability of the device when in use.

[0015] 2. The positioning welding device for machining mechanical parts includes a plurality of limit rods through a limit assembly. The plurality of limit rods are slidably connected to the inner surface of the storage groove, and the limit rods penetrate the disc and extend to the inside of the disc. A limit assembly is arranged inside the disc, which cooperates with a plurality of splints for storage and unfolding, thereby reducing the volume of the quick conversion mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the appearance of the utility model;

[0017] Figure 2 It is a cross-sectional view of the quick conversion mechanism of the utility model;

[0018] Figure 3It is a top sectional view of the quick conversion mechanism of the utility model;

[0019] Figure 4 It is an enlarged view of point A of the present utility model.

[0020] In the figure: 1. workbench; 2. welding assembly; 3. chip removal channel; 4. cylinder; 5. quick change mechanism; 51. slider; 52. rotating rod; 53. disc; 54. storage groove; 55. fixing rod; 56. connecting rod; 57. torsion spring; 58. limit assembly; 581. limit rod; 582. limit block; 583. baffle; 584. return spring; 585. disc; 586. L-shaped pull rod; 587. guide groove; 59. first bevel gear; 510. rotating rod; 511. second bevel gear. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The positioning welding device for mechanical parts processing provides two technical solutions:

[0023] like Figure 1-3 The first embodiment is shown: it includes a workbench 1, a welding assembly 2 and a chip removal channel 3, two left and right cylinders 4 are fixedly connected to the top of the workbench 1, and the output ends of the two cylinders 4 are fixedly connected to a quick-changing mechanism 5, and the quick-changing mechanism 5 includes a slider 51, the slider 51 is slidably connected to the top of the workbench 1, and the top of the slider 51 is rotatably connected to a rotating rod 52, and one end of the rotating rod 52 located above the slider 51 is fixedly connected to a disk 53, and a plurality of storage grooves 54 are equidistantly provided on the annular surface of the rotating rod 52, and a fixed rod 55 is fixedly connected between the top and the bottom of the inner wall of the storage groove 54, and the surface of the fixed rod 55 is rotatably connected to a connecting rod 56, and the other end of the plurality of connecting rods 56 The ends are fixedly connected with splints of different shapes respectively, and a limit assembly 58 for storing and unfolding the connecting rod 56 is arranged inside the disk 53. A torsion spring 57 is sleeved on the surface of the fixing rod 55 located between the connecting rods 56, one end of the torsion spring 57 is fixedly connected to the surface of the fixing rod 55, and the other end of the torsion spring 57 is fixedly connected to the connecting rod 56. The end of the rotating rod 52 located inside the slider 51 is fixedly connected to the first bevel gear 59, the front side of the slider 51 is rotatably connected with a rotating rod 510, and the rotating rod 510 extends to the inside of the slider 51, and the end of the rotating rod 510 located inside the slider 51 is fixedly connected to the second bevel gear 511, and the second bevel gear 511 is meshed with the first bevel gear 59 for transmission.

[0024] When clamping and positioning mechanical parts of different shapes, the quick conversion mechanism 5 is used to convert suitable clamping plates to clamp the mechanical parts, thereby effectively improving the clamping effect and enhancing the practicability of the device when used.

[0025] like Figure 3 and 4 The second embodiment is shown, which mainly differs from the first embodiment in that: the limit assembly 58 includes a plurality of limit rods 581, which are slidably connected to the inner surface of the storage groove 54, and the limit rods 581 penetrate the disc 53 and extend to the inside of the disc 53, and the ends of the plurality of connecting rods 56 located inside the storage groove 54 are fixedly connected with limit blocks 582 that cooperate with the limit rods 581, the surface of the limit rods 581 located inside the disc 53 is fixedly connected with a baffle 583, and the surface of the limit rods 581 located on one side of the baffle 583 is sleeved with a return spring 584, the bottom of the inner wall of the middle part of the disc 53 is rotatably connected with a disc 585 through a connecting shaft, and the annular surface of the disc 585 is rotatably connected with a plurality of L-shaped pull rods 586 at equal distances, and the ends of the plurality of limit rods 581 located inside the disc 53 are provided with guide grooves 587, and the other ends of the plurality of L-shaped pull rods 586 are respectively located inside the guide grooves 587 at corresponding positions.

[0026] A limit assembly 58 is disposed inside the disc 53 to cooperate with a plurality of clamping plates for storage and expansion, thereby reducing the volume of the quick conversion mechanism 5 .

[0027] When positioning mechanical parts of different shapes, rotating the rotating rod 510 causes the second bevel gear 511 to rotate, the second bevel gear 511 rotates and drives the first bevel gear 59 to rotate, the first bevel gear 59 rotates and drives the disc 53 to rotate through the rotating rod 52, so that the corresponding shape of the splint rotates to the working position, then the connecting rod 56 is rotated to drive the splint out of the storage groove 54, when the connecting rod 56 rotates, it also drives the limit block 582 to rotate, the limit block 582 rotates and rotates with the limit rod 581, so that the limit block 582 passes to the other side of the head of the limit rod 581, thereby positioning the position of the connecting rod 56, and when the splint needs to be stored, the disc 585 is rotated and the L-shaped pull rod 586 is pulled to make the head of the limit rod 581 away from the limit block 582, and with the cooperation of the torsion spring 57, the splint is rotated and recovered into the storage groove 54.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning welding device for machining mechanical parts, comprising a workbench (1), a welding assembly (2) and a chip removal channel (3), Features: The top of the workbench (1) is fixedly connected to two left and right cylinders (4), and the output ends of the two cylinders (4) are fixedly connected to a quick-change mechanism (5). The quick-change mechanism (5) comprises a slider (51), the slider (51) is slidably connected to the top of the workbench (1), the top of the slider (51) is rotatably connected to a rotating rod (52), one end of the rotating rod (52) located above the slider (51) is fixedly connected to a disc (53), a plurality of storage grooves (54) are equidistantly provided on the annular surface of the rotating rod (52), a fixing rod (55) is fixedly connected between the top and bottom of the inner wall of the storage groove (54), a connecting rod (56) is rotatably connected to the surface of the fixing rod (55), the other ends of the plurality of connecting rods (56) are respectively fixedly connected to clamps of different shapes, and a limiting assembly (58) for storing and unfolding the connecting rods (56) is provided inside the disc (53).

2. A positioning welding device for machining mechanical parts according to claim 1, Features: A torsion spring (57) is sleeved on the surface of the fixing rod (55) between the connecting rods (56); one end of the torsion spring (57) is fixedly connected to the surface of the fixing rod (55); and the other end of the torsion spring (57) is fixedly connected to the connecting rod (56).

3. A positioning welding device for machining mechanical parts according to claim 1, Features: One end of the rotating rod (52) located inside the slider (51) is fixedly connected to the first bevel gear (59); the front side of the slider (51) is rotatably connected to a rotating rod (510), and the rotating rod (510) extends into the inside of the slider (51); one end of the rotating rod (510) located inside the slider (51) is fixedly connected to the second bevel gear (511), and the second bevel gear (511) is meshed with the first bevel gear (59) for transmission.

4. A positioning welding device for machining mechanical parts according to claim 1, Features: The limiting assembly (58) comprises a plurality of limiting rods (581), wherein the plurality of limiting rods (581) are slidably connected to the inner surface of the receiving groove (54), and the limiting rods (581) penetrate the disc (53) and extend to the inside of the disc (53), and the ends of the plurality of connecting rods (56) located inside the receiving groove (54) are fixedly connected to limiting blocks (582) matching the limiting rods (581).

5. A positioning welding device for machining mechanical parts according to claim 4, Features: The surface of the limiting rod (581) located inside the disc (53) is fixedly connected to a baffle (583), and the surface of the limiting rod (581) located on one side of the baffle (583) is sleeved with a return spring (584).

6. A positioning welding device for machining mechanical parts according to claim 4, Features: The bottom of the inner wall of the middle part of the disk (53) is rotatably connected to a disk (585) via a connecting shaft, and the annular surface of the disk (585) is rotatably connected to multiple L-shaped pull rods (586) at equal intervals. A guide groove (587) is provided at one end of the multiple limit rods (581) located inside the disk (53), and the other ends of the multiple L-shaped pull rods (586) are respectively located inside the guide grooves (587) at corresponding positions.

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