CN212551519U - Fan guard outer ring welding machine - Google Patents

Abstract

The utility model belongs to the technical field of welding equipment, especially, relate to a fan screen panel outer loop welding machine, including workstation, screen panel welding jig, rotating assembly and welding subassembly, screen panel welding jig includes first screen panel mould subassembly, and first screen panel mould subassembly includes the screen panel mounting disc, and the screen panel mounting disc rotates to be connected in the surface of workstation, and rotating assembly is fixed in on the workstation and is used for driving the screen panel mounting disc to rotate, and the surface of screen panel mounting disc is seted up and is put the fixed slot, and the lateral wall of fixed slot is seted up and is provided with the mounting groove of a plurality of annular equipartitions, and the welding subassembly is fixed in on the welding frame; because the mounting groove is formed in the side wall of the fixing groove, the mounting groove can facilitate mounting of each mesh wire of the fan mesh enclosure, when the fan mesh enclosure is mounted in the fixing groove, each mesh wire on the mesh enclosure is embedded into the mounting groove, fixing and positioning of the fan mesh enclosure are achieved, offset generated due to space extrusion between the mesh wires is avoided, and the yield of welding machine welding mesh enclosure outer rings is effectively improved.

Description

Fan guard outer ring welding machine

Technical Field

The utility model belongs to the technical field of welding equipment, especially, relate to a fan screen panel outer loop welding machine.

Background

The fan net cover generally comprises an inner ring, an outer ring and a plurality of radial net wires. During assembly, the inner ring is welded with each mesh wire, and then the mesh cover is placed on a special outer ring welding machine for welding.

The existing welding machine for the outer ring of the mesh enclosure mainly comprises a frame, a welding mechanism and a mesh enclosure die, wherein the welding mechanism and the mesh enclosure die are fixed on the frame, the welding machine is located above the mesh enclosure die, the mesh enclosure die is generally designed into a disc shape, the surface of the disc-shaped die is provided with a mounting groove for the mesh enclosure to be placed in, the mesh enclosure is placed in the mounting groove, the upper end of the mesh enclosure stretches out of the mounting groove, and meanwhile, the welding mechanism welds the outer ring on the upper end of the mesh enclosure to realize the.

Compare with traditional manual welding, the design of screen panel outer loop welding machine provides convenience for the outer loop welding of screen panel, simultaneously very big promotion the outer loop welded welding efficiency of screen panel, but the fixed of screen panel can't be realized to current screen panel mould, and during the mounting groove of the disk mould is impressed to the screen panel, because the extrusion in space, produce the skew between each steel wire that leads to the screen panel easily, will lead to welding mechanism's welding position deviation to appear, and then lead to the welding yield reduction of screen panel outer loop. In addition, when the existing welding machine for the outer ring of the mesh enclosure finishes welding a group of mesh enclosures, the welding mechanism needs to be suspended firstly, then the welded mesh enclosure needs to be taken out, and another group of mesh enclosures needs to be replaced, so that the welding efficiency of the outer ring of the mesh enclosure is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fan screen panel outer loop welding machine aims at solving the lower technical problem of yield of screen panel outer loop welding machine welding screen panel outer loop among the prior art.

For realizing above-mentioned purpose, the embodiment of the utility model provides a pair of fan screen panel outer loop welding machine, including workstation, screen panel welding tool, rotating assembly and welding assembly, screen panel welding tool includes first screen panel mould subassembly, first screen panel mould subassembly includes the screen panel mounting disc, the screen panel mounting disc rotate connect in the surface of workstation, rotating assembly is fixed in be used for the drive on the workstation the screen panel mounting disc rotates, the fixed slot that is used for installing the fan screen panel is seted up on the surface of screen panel mounting disc, the mounting groove of having set a plurality of annular equipartitions is seted up to the lateral wall of fixed slot, be provided with the weld holder on the top surface of workstation, welding assembly is fixed in on the weld holder and be used for carrying out the outer loop welding to being located the fan screen panel in the mounting groove.

Optionally, fan screen panel outer loop welding machine still includes the pressure disk subassembly, the pressure disk subassembly includes dead lever, connecting rod and depression bar, first screen panel mould subassembly still includes the pressure disk, the pressure disk set up in the fixed slot, the top of pressure disk is provided with accepts the pole, the dead lever is vertical to be fixed in on the top surface of workstation, the connecting rod horizontal jacket is located the surface of dead lever and with the dead lever rotates to be connected, the upper end of depression bar is fixed in on the connecting rod, the lower extreme of depression bar be provided with the pressure bearing of dead lever adaptation.

Optionally, screen panel welding jig still includes fixed axle and transposition board, the fixed axle is vertical to be fixed in the surface of workstation, the transposition board cover is located the surface of fixed axle and with the fixed axle rotates to be connected, first screen panel mould is located the one end of transposition board, first screen panel mould subassembly still includes the axis of rotation, the axis of rotation is fixed in on the bottom surface of screen panel mounting disc, just the axis of rotation passes the transposition board and with the transposition board rotates to be connected.

Optionally, the welding machine for the outer ring of the fan mesh enclosure further comprises a positioning assembly, the positioning assembly comprises a positioning cylinder, a compression spring and a positioning block, the compression spring is arranged inside the positioning cylinder, the positioning block is arranged in the positioning cylinder and is abutted against the compression spring, the other end of the positioning block extends to the outside of the positioning cylinder, two limiting blocks are fixed on the bottom surface of the position changing plate and are respectively located on two sides of the fixed shaft, positioning holes are formed in the surfaces of the limiting blocks, and during welding, the positioning block is located at one end of the outside of the positioning cylinder and is embedded in the positioning holes.

Optionally, the welding machine for the outer ring of the fan mesh enclosure further comprises a lifting assembly, the lifting assembly comprises a lifting cylinder, a lifting shaft and a first limiting disc, the lifting cylinder is fixed inside the workbench, a sleeve is arranged at the driving end of the lifting cylinder, the lower end of the lifting shaft is fixed inside the sleeve and is rotatably connected with the inner wall of the sleeve, the upper end of the lifting shaft extends above the workbench, the rotating assembly is connected with the lifting shaft in a driving manner and is used for driving the lifting shaft to rotate, the first limiting disc is fixed at the upper end of the lifting shaft, a limiting lug is arranged on the surface of the first limiting disc, the first mesh enclosure die assembly further comprises a second limiting disc, the second limiting disc is fixed at the end of the rotating shaft, and a limiting hole matched with the limiting lug is arranged on the surface of the limiting disc, during welding, the lifting cylinder drives the lifting shaft to ascend, and the limiting lug is inserted into the limiting hole.

Optionally, the mesh enclosure welding jig further comprises a second mesh enclosure die assembly with the same structure as the first mesh enclosure die assembly, the first mesh enclosure die assembly and the second mesh enclosure die assembly are respectively located at two ends of the transposition plate, and the first mesh enclosure die assembly and the second mesh enclosure die assembly are both rotatably connected with the transposition plate through the rotating shaft.

Optionally, the side of the transposition plate is provided with two handles, and the two handles are respectively located on one side of the first mesh enclosure die assembly and one side of the second mesh enclosure die assembly.

Optionally, the rotating assembly includes a rotating cylinder, a clamping cylinder, a driving disc, a ratchet disc and a pawl, the inner wall of the clamping cylinder is provided with clamping strips, the surface of the lifting shaft is provided with clamping grooves adapted to the clamping strips, the clamping cylinder is sleeved on the surface of the lifting shaft and enables the clamping strips to be embedded into the clamping grooves, the driving disc and the ratchet disc are both sleeved on the surface of the clamping cylinder, the driving disc is rotatably connected to the clamping cylinder, the ratchet disc is fixedly connected to the clamping cylinder, the side surface of the driving disc is provided with a driving portion, the driving end of the rotating cylinder extends towards the driving portion and is rotatably connected to the driving portion, a plurality of ratchets are arranged around the ratchet disc, the side surface of the driving disc is further provided with a fixing portion, and the pawl is fixed on the fixing portion and located on one side of the ratchet disc, and the end part of the pawl is inserted between the ratchet teeth.

Optionally, the rotating assembly further comprises a limiting disc, a fixing frame and two arc-shaped limiting pieces which are arranged oppositely, the limiting disc is sleeved on the surface of the clamping cylinder and is fixedly connected with the clamping cylinder, the fixing frame is fixed on the workbench, and the two arc-shaped limiting pieces are fixed on the fixing frame and are respectively located on two sides of the limiting disc.

Optionally, the welding subassembly including drive actuating cylinder, first welding electrode and with the second welding electrode that first welding electrode set up relatively, first welding electrode is fixed in on the welding frame and be located the top of screen panel welding tool, the cylinder is fixed in the surface of first welding electrode, the second welding electrode is fixed in on the drive end of cylinder.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the fan screen panel outer loop welding machine has one of following technological effect at least: the welding machine for the outer ring of the fan mesh enclosure is provided with a workbench, a first mesh enclosure die assembly, a rotating assembly and a welding assembly, wherein a mesh enclosure mounting disc is arranged on the first mesh enclosure die assembly, the fan mesh enclosure with the welding function is arranged in a fixing groove of the mesh enclosure mounting disc, the upper end of a mesh wire of the fan mesh enclosure leaks out of the fixing groove, the rotating assembly drives a limiting disc to rotate during welding, and the welding assembly welds each contact point of the outer ring of the mesh enclosure and the mesh wire; because the mounting groove is formed in the side wall of the fixing groove, the mounting groove can facilitate mounting of each mesh wire of the fan mesh enclosure, when the fan mesh enclosure is mounted in the fixing groove, each mesh wire on the mesh enclosure is embedded into the mounting groove, fixing and positioning of the fan mesh enclosure are achieved, offset generated due to space extrusion between the mesh wires is avoided, and the yield of welding machine welding mesh enclosure outer rings is effectively improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the fan guard outer ring welding machine provided by the embodiment of the utility model.

Fig. 2 is the embodiment of the utility model provides a screen panel welding jig and locating component's of fan screen panel outer loop welding machine structural schematic diagram.

Fig. 3 is the embodiment of the utility model provides a positioning assembly and the schematic structure diagram of stopper of fan screen panel outer loop welding machine.

Fig. 4 is a schematic structural diagram of a positioning assembly of the fan guard outer ring welding machine provided by the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a driving assembly and a lifting assembly of the fan guard outer ring welding machine provided by the embodiment of the present invention.

Fig. 6 is a schematic structural view of a driving disc and a ratchet disc of the fan mesh enclosure outer ring welding machine according to the embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a clamping cylinder and a fixing disc of the welding machine for the outer ring of the fan mesh enclosure provided by the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-workbench 11-welding frame 12-electric cabinet

13-gas storage tank 20-mesh enclosure welding jig 21-first mesh enclosure die assembly

22-fixed shaft 23-transposition plate 24-second mesh enclosure die assembly

25-shaft sleeve 30-rotating assembly 31-rotating cylinder

32-clamping cylinder 33-driving disk 34-ratchet disk

35-pawl 36-limiting disc 37-fixing frame

38-arc limiting sheet 40-welding component 41-driving cylinder

42-first electrode 43-second electrode 50-platen assembly

51-fixed rod 52-connecting rod 53-pressure lever

54-pressing bearing 60-positioning component 61-positioning cylinder

62-compression spring 63-positioning block 70-lifting assembly

71-lifting cylinder 72-lifting shaft 73-first limiting disc

211-screen panel mounting plate 212-pressure plate 213-carrying rod

214-rotating shaft 215-second limiting disc 231-limiting block

232-handle 321-clamping strip 331-driving part

332-fixed part 341-ratchet 711-sleeve

721, clamping groove 731, limiting bump 2111 and fixing groove

2112, an installation groove 2151, a limiting hole 2311 and a positioning hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1-2, a welding machine for an outer ring of a fan mesh enclosure is provided, which comprises a worktable 10, a mesh enclosure welding jig 20, a rotating assembly 30 and a welding assembly 40, the mesh enclosure welding jig 20 includes a first mesh enclosure die assembly 21, the first mesh enclosure die assembly 21 includes a mesh enclosure mounting plate 211, the mesh enclosure mounting plate 211 is disposed on the surface of the worktable 10 and is rotatably connected to the worktable 10, the rotating assembly 30 is fixed on the working table 10 and is used for driving the mesh enclosure mounting plate 211 to rotate, a fixing groove 2111 for installing a fan mesh enclosure is arranged on the surface of the mesh enclosure mounting plate 211, the side wall of the fixed groove 2111 is provided with a plurality of annular and uniformly distributed mounting grooves 2112, a welding frame 11 is arranged on the top surface of the workbench 10, and the welding assembly 40 is fixed on the welding frame 11 and used for performing outer ring welding on the fan mesh enclosure positioned in the mounting groove 2112.

Specifically, the welding machine for the outer ring of the fan mesh enclosure is provided with a workbench 10, a first mesh enclosure die assembly 21, a rotating assembly 30 and a welding assembly 40, wherein a mesh enclosure mounting disc 211 is arranged on the first mesh enclosure die assembly 21, the fan mesh enclosure to be welded is arranged in a fixing groove 2111 of the mesh enclosure mounting disc 211, the upper end of a mesh wire of the fan mesh enclosure leaks out of the fixing groove 2111, the rotating assembly 30 drives a limiting disc 36 to rotate during welding, and the welding assembly 40 welds each contact point of the outer ring of the mesh enclosure and the mesh wire; because the mounting groove 2112 is formed in the side wall of the fixing groove 2111, the mounting groove 2112 can facilitate mounting of each mesh wire of the fan mesh enclosure, when the fan mesh enclosure is mounted in the fixing groove 2111, each mesh wire on the mesh enclosure is embedded into the mounting groove 2112, fixing and positioning of the fan mesh enclosure are achieved, deviation caused by space extrusion among the mesh wires is avoided, and the yield of welding the outer ring of the mesh enclosure by a welding machine is effectively improved.

In this embodiment, an electric cabinet 12 is further disposed on the surface of the welding frame 11. An air storage tank 13 is arranged inside the workbench 10.

In another embodiment of the utility model, fan screen panel outer loop welding machine still includes pressure disk assembly 50, pressure disk assembly 50 includes dead lever 51, connecting rod 52 and depression bar 53, first screen panel mould subassembly 21 still includes pressure disk 212, pressure disk 212 set up in fixed slot 2111, the top of pressure disk 212 is provided with accepts pole 213, dead lever 51 is vertical to be fixed in on the top surface of workstation 10, connecting rod 52 level cover is located dead lever 51 the surface and with dead lever 51 rotates to be connected, the upper end of depression bar 53 is fixed in on the connecting rod 52, the lower extreme of depression bar 53 be provided with the pressure bearing 54 of dead lever 51 adaptation. Specifically, the mesh enclosure is installed in the fixing groove 2111 and can be pressed by the pressing plate 212, and during welding, the connecting rod 52 is rotated, and the pressing bearing 54 at the lower end of the pressing rod 53 is sleeved on the upper end of the bearing rod 213, so as to press the pressing plate 212, thereby providing convenience for welding the outer ring of the mesh enclosure and improving the yield of welding the outer ring of the mesh enclosure.

In another embodiment of the utility model, screen panel welding jig 20 still includes fixed axle 22 and transposition board 23, fixed axle 22 is vertical to be fixed in the surface of workstation 10, transposition board 23 cover is located the surface of fixed axle 22 and with fixed axle 22 rotates to be connected, first screen panel mould is located the one end of transposition board 23, first screen panel mould subassembly 21 still includes axis of rotation 214, axis of rotation 214 is fixed in on the bottom surface of screen panel mounting disc 211, just axis of rotation 214 passes transposition board 23 and with transposition board 23 rotates to be connected.

Specifically, the surface of the fixed shaft 22 sleeved with the transposition plate 23 can rotate around the fixed shaft 22, and the first mesh enclosure mold is arranged at the end of the transposition plate 23, so that the first mesh enclosure mold can rotate together with the transposition plate 23 to facilitate the taking-off and the installation of the fan mesh enclosure, and meanwhile, the mesh enclosure mounting plate 211 can be rotatably connected with the workbench 10 through the rotating design of the rotating shaft 214 at the bottom surface of the mesh enclosure mounting plate 211 and the transposition plate 23 to facilitate the outer ring welding of the mesh enclosure.

In this embodiment, further, a sleeve 25 is sleeved on the surface of the fixed shaft 22, and the sleeve 25 is located between the shifting plate 23 and the top surface of the working table 10. The bushing 25 may facilitate the fixing of the index plate 23.

The utility model discloses a in another embodiment, fan guard outer loop welding machine still includes locating component 60, locating component 60 includes a location section of thick bamboo 61, compression spring 62 and locating piece 63, compression spring 62 set up in the inside of a location section of thick bamboo 61, the locating piece 63 set up in a location section of thick bamboo 61 and with compression spring 62 offsets, the other end of locating piece 63 extends to the outside of a location section of thick bamboo 61, be fixed with two stoppers 231, two on the bottom surface of transposition board 23 the stopper 231 is located respectively the both sides of fixed axle 22, the surface of stopper 231 is provided with locating hole 2311, during the welding, locating piece 63 is located the outside one end of a location section of thick bamboo 61 inlay in locating hole 2311.

Specifically, the positioning hole 2311 penetrates through the limiting block 231, the shifting plate 23 is rotated, when the limiting block 231 passes through the positioning assembly 60, the positioning block 63 is pressed, the compression spring 62 is compressed, the shifting plate 23 is continuously rotated, the positioning hole 2311 is located above the positioning block 63, the top of the positioning block 63 is bounced into the positioning hole 2311 under the elastic force of the compression spring 62, the positioning plate 23 is limited, and welding of the fan mesh enclosure is facilitated.

In another embodiment of the present invention, the welding machine for an outer ring of a fan mesh enclosure further includes a lifting assembly 70, the lifting assembly 70 includes a lifting cylinder 71, a lifting shaft 72 and a first limiting plate 73, the lifting cylinder 71 is fixed inside the workbench 10, a sleeve 711 is disposed at a driving end of the lifting cylinder 71, a lower end of the lifting shaft 72 is fixed inside the sleeve 711 and rotatably connected to an inner wall of the sleeve 711, an upper end of the lifting shaft 72 extends above the workbench 10, the rotating assembly 30 is drivingly connected to the lifting shaft 72 and drives the lifting shaft 72 to rotate, the first limiting plate 73 is fixed to the upper end of the lifting shaft 72, a limiting projection 731 is disposed on a surface of the first limiting plate 73, the first mesh enclosure mold assembly 21 further includes a second limiting plate 215, the second limiting plate 215 is fixed to an end of the rotating shaft 214, the surface of the limiting disc 36 is provided with a limiting hole 2151 matched with the limiting projection 731, and during welding, the lifting cylinder 71 drives the lifting shaft 72 to ascend, so that the limiting projection 731 is inserted into the limiting hole 2151.

Specifically, when locating block 63 inlays inside locating hole 2311, rotating assembly 30 starts and drives lift axle 72 rotatory, make spacing lug 731 be located spacing hole 2151 under, simultaneously, start lift cylinder 71, lift cylinder 71 drive lift axle 72 rises, make spacing lug 731 insert in the inside of spacing hole 2151, in order to realize fixing between first spacing dish 73 and the spacing dish of second 215, make lift axle 72 can drive the spacing dish of second 215 and screen panel mounting disc 211 when rotating and rotate, in order to realize rotating assembly 30 drive lift axle 72 pivoted function, provide convenience for the outer loop welding of screen panel.

In this embodiment, further, a bearing is disposed inside the sleeve 711, and the lower end of the pressure plate 212 is fixed in the bearing, so as to realize the rotational connection with the pressure rod 53 through the bearing. The number of the limiting protrusions 731 and the number of the limiting holes 2151 are three.

In another embodiment of the present invention, the mesh enclosure welding jig 20 further includes a second mesh enclosure mold assembly 24 having the same structure as the first mesh enclosure mold assembly 21, the first mesh enclosure mold assembly 21 and the second mesh enclosure mold assembly 24 are respectively located at two ends of the shifting plate 23, and the first mesh enclosure mold assembly 21 and the second mesh enclosure mold assembly 24 all pass through the rotation axis 214 and the shifting plate 23 are rotatably connected.

Specifically, when welding the screen panel in the first screen panel mould subassembly 21, can will treat that the welded screen panel is installed in second screen panel mould subassembly 24, treat the welding completion back of the screen panel in the first screen panel mould subassembly 21, rotate the transposition board 23 to make stopper 231 and spacing hole 2151 joint, weld the screen panel in the second screen panel mould subassembly 24, can effectively promote the welding efficiency of fan housing outer loop through the design of second screen panel mould subassembly 24.

In another embodiment of the present invention, the side of the shifting board 23 is provided with two handles 232, two of the handles 232 are respectively located on one side of the first mesh enclosure mold assembly 21 and the second mesh enclosure mold assembly 24. Specifically, the handle 232 may be conveniently gripped to facilitate rotation of the index plate 23 and indexing of the first and second mesh screen mold assemblies 21, 24.

In another embodiment of the present invention, the rotating assembly 30 includes a rotating cylinder 31, a cylinder 32, a driving disk 33, a ratchet disk 34 and a pawl 35, the inner wall of the cylinder 32 is provided with a clamping bar 321, the surface of the lifting shaft 72 is provided with a clamping groove 721 adapted to the clamping bar 321, the cylinder 32 is sleeved on the surface of the lifting shaft 72 and the clamping bar 321 is embedded in the clamping groove 721, the driving disk 33 and the ratchet disk 34 are both sleeved on the surface of the cylinder 32, the driving disk 33 is rotatably connected to the cylinder 32, the ratchet disk 34 is fixedly connected to the cylinder 32, the side of the driving disk 33 is provided with a driving portion 331, the driving end of the rotating cylinder 31 extends toward the driving portion 331 and is rotatably connected to the driving portion 331, a plurality of ratchets 341 are disposed on the periphery of the ratchet disk 34, the side of the driving disk 33 is further provided with a fixing portion 332, the pawls 35 are fixed to the fixing portion 332 and located on one side of the ratchet plate 34, and an end portion of the pawl 35 is interposed between each ratchet 341.

Specifically, the driving portion 331 of the driving disc 33 is rotatably connected to the driving end of the rotating cylinder 31, when the rotating cylinder 31 is started, the driving end is extended or shortened to drive the driving disc 33 to rotate around the lifting shaft 72 in the forward direction or in the reverse direction, because the ratchet disc 34 is fixedly connected to the cartridge 32, the pawl 35 on the fixing portion 332 of the driving disc 33 is inserted between the ratchets 341 on the peripheral side of the ratchet disc 34, when the driving end of the rotating cylinder 31 is extended, the driving disc 33 is driven to rotate in the forward direction, at this time, the pawl 35 abuts against the side wall of the ratchet 341, the ratchet disc 34 is driven by the pawl 35 to rotate by a certain angle, when the driving end of the rotating cylinder 31 is shortened, the rotating cylinder 31 drives the driving disc 33 to rotate in the reverse direction, no abutment occurs between the pawl 35 and each ratchet 341, and the ratchet disc 34 will; through the transmission mode, the ratchet disc 34 can complete circumferential rotation under the cycle of extension and shortening of the driving end of the rotary cylinder 31, and simultaneously drives the clamping cylinder 32 to circumferentially rotate, and due to the matching of the clamping strip 321 on the inner wall of the clamping cylinder 32 and the clamping groove 721 on the surface of the lifting shaft 72, the lifting shaft 72 is driven to rotate when the clamping cylinder 32 rotates, and the sliding of the lifting shaft 72 in the clamping cylinder 32 is not influenced; the rotation of the lifting shaft 72 driven by the rotating cylinder 31 and the lifting driven by the lifting cylinder 71 can be realized simultaneously by the above structure.

In this embodiment, further, a bearing is disposed inside the driving disc 33, and the driving disc 33 is rotatably connected to the chuck cylinder 32 through the bearing.

In another embodiment of the present invention, the rotating assembly 30 further includes a limiting disc 36, a fixing frame 37 and two arc-shaped limiting pieces 38 disposed oppositely, the limiting disc 36 is sleeved on the surface of the clamping cylinder 32 and is fixedly connected to the clamping cylinder 32, the fixing frame 37 is fixed on the working table 10, two arc-shaped limiting pieces 38 are fixed on the fixing frame 37 and are respectively located on two sides of the limiting disc 36. Specifically, the fixing frame 37 can facilitate the fixing of the two arc-shaped limiting pieces 38, the two arc-shaped limiting pieces 38 limit the limiting disc 36, and the radial movement is avoided when the lifting shaft 72 rotates, so that the welding precision and the welding yield of the mesh enclosure outer ring are improved.

In another embodiment of the present invention, the welding assembly 40 includes a driving cylinder 41, a first welding electrode 42 and a second welding electrode 43 opposite to the first welding electrode 42, the first welding electrode 42 is fixed on the welding frame 11 and located above the mesh enclosure welding jig 20, the driving cylinder 41 is fixed on the surface of the first welding electrode 42, and the second welding electrode 43 is fixed on the driving end of the cylinder. Specifically, the mesh enclosure and the outer ring are welded by butt welding of the first welding electrode 42 and the second welding electrode 43, and the second welding electrode 43 is driven by the driving cylinder 41 to move, so that the welding station of the mesh enclosure is located between the first welding electrode 42 and the second welding electrode 43, and convenience is provided for welding the outer ring of the mesh enclosure.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a fan screen panel outer loop welding machine which characterized in that: including workstation, screen panel welding jig, rotating assembly and welding subassembly, screen panel welding jig includes first screen panel mould subassembly, first screen panel mould subassembly includes the screen panel mounting disc, the screen panel mounting disc rotate connect in the surface of workstation, rotating assembly is fixed in be used for the drive on the workstation the screen panel mounting disc rotates, the fixed slot that is used for installing the fan screen panel is seted up on the surface of screen panel mounting disc, the mounting groove of having set a plurality of annular equipartitions is seted up to the lateral wall of fixed slot, be provided with the weld holder on the top surface of workstation, welding subassembly is fixed in on the weld holder and be used for carrying out the outer loop welding to being located the fan screen panel in the mounting groove.

2. The fan guard outer ring welding machine of claim 1, wherein: fan screen panel outer loop welding machine still includes the pressure disk assembly, the pressure disk assembly includes dead lever, connecting rod and depression bar, first screen panel mould subassembly still includes the pressure disk, the pressure disk set up in the fixed slot, the top of pressure disk is provided with accepts the pole, the dead lever is vertical to be fixed in on the top surface of workstation, the connecting rod horizontal jacket is located the surface of dead lever and with the dead lever rotates to be connected, the upper end of depression bar is fixed in on the connecting rod, the lower extreme of depression bar be provided with the pressure bearing of dead lever adaptation.

3. The fan guard outer ring welding machine of claim 1, wherein: the mesh enclosure welding jig further comprises a fixing shaft and a transposition plate, the fixing shaft is vertically fixed on the surface of the workbench, the transposition plate is sleeved on the surface of the fixing shaft and is connected with the fixing shaft in a rotating mode, the first mesh enclosure die assembly further comprises a rotating shaft, the rotating shaft is fixed on the bottom surface of the mesh enclosure mounting disc, and the rotating shaft penetrates through the transposition plate and is connected with the transposition plate in a rotating mode.

4. The fan guard outer ring welding machine of claim 3, wherein: the fan mesh enclosure outer ring welding machine further comprises a positioning assembly, the positioning assembly comprises a positioning cylinder, a compression spring and a positioning block, the compression spring is arranged in the positioning cylinder, the positioning block is arranged in the positioning cylinder and is abutted to the compression spring, the other end of the positioning block extends to the outside of the positioning cylinder, two limiting blocks are fixed on the bottom surface of the transposition plate and are respectively located on two sides of the fixed shaft, positioning holes are formed in the surfaces of the limiting blocks, and during welding, the positioning block is located one end of the outside of the positioning cylinder is embedded in the positioning holes.

5. The fan guard outer ring welding machine of claim 3, wherein: the fan mesh enclosure outer ring welding machine further comprises a lifting assembly, the lifting assembly comprises a lifting cylinder, a lifting shaft and a first limiting disc, the lifting cylinder is fixed inside the workbench, a sleeve is arranged at the driving end of the lifting cylinder, the lower end of the lifting shaft is fixed inside the sleeve and is rotatably connected with the inner wall of the sleeve, the upper end of the lifting shaft extends to the upper side of the workbench, the rotating assembly is connected with the lifting shaft in a driving mode and is used for driving the lifting shaft to rotate, the first limiting disc is fixed at the upper end of the lifting shaft, a limiting lug is arranged on the surface of the first limiting disc, the first mesh enclosure die assembly further comprises a second limiting disc, the second limiting disc is fixed at the end portion of the rotating shaft, and a limiting hole matched with the limiting lug is formed in the surface of the limiting disc, during welding, the lifting cylinder drives the lifting shaft to ascend, and the limiting lug is inserted into the limiting hole.

6. The fan guard outer ring welding machine of claim 5, wherein: the mesh enclosure welding jig further comprises a second mesh enclosure die assembly which is the same as the first mesh enclosure die assembly in structure, the first mesh enclosure die assembly and the second mesh enclosure die assembly are respectively located at two ends of the transposition plate, and the first mesh enclosure die assembly and the second mesh enclosure die assembly are connected with the transposition plate in a rotating mode through the rotating shaft.

7. The fan guard outer ring welding machine of claim 6, wherein: the side of transposition board is provided with two handles, two the handle is located respectively first screen panel mould subassembly with one side of second screen panel mould subassembly.

8. The fan guard outer ring welding machine of claim 5, wherein: the rotating assembly comprises a rotating cylinder, a clamping cylinder, a driving disc, a ratchet disc and a pawl, clamping strips are arranged on the inner wall of the clamping cylinder, the surface of the lifting shaft is provided with a clamping groove matched with the clamping strip, the clamping cylinder is sleeved on the surface of the lifting shaft and enables the clamping strip to be embedded into the clamping groove, the driving disc and the ratchet disc are both sleeved on the surface of the clamping cylinder, the driving disc is rotationally connected with the clamping cylinder, the ratchet disc is fixedly connected with the clamping cylinder, the side surface of the driving disk is provided with a driving part, the driving end of the rotary cylinder extends towards the direction of the driving part and is rotationally connected with the driving part, a plurality of ratchets are arranged on the peripheral side of the ratchet disc, a fixed part is also arranged on the side surface of the driving disc, the pawl is fixed on the fixing portion and located on one side of the ratchet plate, and the end portion of the pawl is inserted between each ratchet.

9. The fan guard outer ring welding machine of claim 8, wherein: the rotating assembly further comprises a limiting disc, a fixing frame and two arc-shaped limiting pieces which are oppositely arranged, the limiting disc is sleeved on the surface of the clamping cylinder and is fixedly connected with the clamping cylinder, the fixing frame is fixed on the workbench, and the two arc-shaped limiting pieces are fixed on the fixing frame and are respectively positioned on two sides of the limiting disc.

10. The fan mesh enclosure outer ring welding machine according to any one of claims 1 to 9, characterized in that: the welding assembly comprises a driving cylinder, a first welding electrode and a second welding electrode, wherein the second welding electrode is opposite to the first welding electrode, the first welding electrode is fixed on the welding frame and located above the mesh enclosure welding jig, the cylinder is fixed on the surface of the first welding electrode, and the second welding electrode is fixed on the driving end of the cylinder.

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