CN116921923A - Welding equipment - Google Patents

Abstract

The invention discloses welding equipment, which comprises a base, a welding device, a shell feeding device, a part feeding device and a controller, wherein a welding station is arranged on the base, the welding device is arranged at the welding station, the welding device comprises a welding table and a welding assembly arranged above the welding table, the welding assembly comprises a welding part and a pickup part, the pickup part is used for picking up the part and placing the part on the shell, the welding part is used for welding the part on the shell, the shell feeding device is used for transferring the shell to the welding table, the part feeding device is used for transferring the part to the pickup part of the welding assembly, and the controller is used for controlling the shell feeding device and the part feeding device to work.

Description

Welding equipment

Technical Field

The invention relates to the technical field of welding manufacture, in particular to welding equipment.

Background

In order to improve efficiency and ensure stability of welding quality, welding equipment is generally used for welding, taking welding of a shell assembly of a compressor as an example, firstly, a shell of the compressor is transferred to a welding station, then, a base is transferred to the welding station and placed on the shell, and then, welding is performed through a welding device (such as arc welding) to form the shell assembly, so that welding efficiency in the prior art is low.

Disclosure of Invention

The main purpose of the invention is to provide a welding device which can simultaneously transfer a shell and a part to a welding station for welding so as to reduce the time for transferring the part and the shell.

To achieve the above object, the present invention provides a welding apparatus for welding a component to a housing, the welding apparatus comprising:

a base on which a welding station is arranged;

the welding device is arranged at the welding station and comprises a welding table and a welding assembly arranged above the welding table, the welding assembly comprises a welding part and a picking part, the picking part is used for picking the parts and placing the parts on the shell, and the welding part is used for welding the parts to the shell;

the shell feeding device is used for transferring the shell to the welding table;

the part feeding device is used for transferring the parts to a pick-up part of the welding assembly; the method comprises the steps of,

and the controller is used for controlling the shell feeding device and the part feeding device to work.

Optionally, the welding device is used to weld the feet of the compressor to the housing of the compressor.

Optionally, the spare part loading attachment includes:

A first mount;

the support arm is movably arranged on the first mounting seat so as to be arranged close to or far away from the welding station;

the first driving device drives the supporting arm to move;

the bearing seat is arranged on the supporting arm and can be arranged up and down movably and is used for bearing parts;

the rotating piece is provided with an installation part which is installed on the supporting arm in a vertical rotating way and a driving part which is positioned on one side of the installation part, and the driving part extends to the bearing seat so as to drive the bearing seat to move up and down; the method comprises the steps of,

the second driving device is arranged on the supporting arm and staggered with the driving part, and is in driving connection with the rotating piece so as to drive the rotating piece to rotate.

Optionally, a transmission part is further arranged on the rotating part, and the transmission part is positioned at one side of the driving part, which is close to the mounting part;

the second driving device is connected with the transmission part in a transmission way and drives the transmission part to move up and down.

Optionally, the transmission part is located at the other side of the mounting part.

Optionally, the second driving device is provided with a driving part movably arranged up and down;

the driving part of the second device is movably connected with the transmission part.

Optionally, the first driving device includes:

the rotation driving device is arranged on the first mounting seat and is provided with an output shaft; the method comprises the steps of,

the screw mechanism comprises a screw rod connected with the output shaft and a screw nut seat forming a screw rod pair with the screw rod;

the supporting arm is fixedly connected to the nut seat.

Optionally, the welding equipment further includes a part storing and taking device, and the part storing and taking device includes:

the storage structure is used for storing the parts; the method comprises the steps of,

and the material taking mechanism is used for picking up parts on the material storage structure to the bearing seat.

Optionally, the storage structure includes:

the rotary table is rotatably arranged, a plurality of storage parts distributed along the circumferential direction of the rotary table are arranged on the rotary table, and the storage parts are used for storing parts; the method comprises the steps of,

the turntable driving mechanism drives the turntable to rotate;

the material taking mechanism is arranged above the rotary table and is used for picking up parts on the material storage part and transferring the parts to the bearing seat when the rotary table rotates the material storage part to the material taking position.

Optionally, the storage part can be movably installed on the turntable up and down, and the part storage device further comprises a storage lifting device for driving the storage part to lift;

The material taking mechanism comprises a material taking part and a material taking lifting device, wherein the material taking part is arranged in a vertically movable manner, and the material taking lifting device is used for driving the material taking part to move vertically;

the material taking part is provided with a position detection device for detecting the distance between the material taking part and the parts on the material storage part;

the controller is electrically connected with the position detection device, the storage lifting device and the material taking lifting device.

Optionally, the casing loading attachment includes:

the second installation seat is movably arranged in the direction approaching to and away from the welding table; the method comprises the steps of,

the second pick-up mechanism is arranged on the second mounting seat and used for picking up the shell to the welding table.

Optionally, the second pick-up mechanism includes:

the two clamping arms are arranged on the second mounting seat and are movably arranged in the directions of approaching and separating from each other; the method comprises the steps of,

the clamping arm driving mechanism is used for driving the two clamping arms to move.

Optionally, the welding equipment further comprises a shell conveying line laterally opposite to the welding station, and a shell positioning table is arranged between the shell conveying line and the welding station;

the welding apparatus further includes:

the shell transfer device is used for transferring the shell to the shell conveying line;

The shell pushing device is used for pushing the shell to a positioning position on the shell positioning table from the lateral direction of the shell conveying line;

the shell positioning structure is arranged at the positioning position and comprises a clamping arm, a propping part and a propping driving mechanism, wherein the clamping arm is limited with a limiting groove clamped with the circumference of the shell, the propping part is movably arranged in the direction close to and far away from the clamping arm, and the propping driving mechanism drives the propping part to move.

Optionally, the welding equipment further includes a blanking device, the blanking device is used for transferring out the shell assembly on the welding station and after welding, and the blanking device includes:

the third mounting seat is movably arranged and provided with a material taking stroke for moving to the welding station and a discharging stroke for moving out from the welding station;

the two pick-up arms are arranged at intervals, one ends of the two pick-up arms are mounted on the third mounting seat, and at least one of the two pick-up arms is movably arranged in the directions of approaching and separating from each other so as to pick up the shell assembly from two sides of the shell assembly; the method comprises the steps of,

And the pick-up arm driving mechanism drives the pick-up arm which is movably arranged to move.

Optionally, the inner sides of the two pick-up arms are each provided with a support portion for supporting a laterally protruding portion of the housing assembly.

Optionally, the blanking device is used for transferring out the shell component of the compressor which is welded on the welding station;

the supporting parts on the two pick-up arms are used for correspondingly supporting the two feet of the shell assembly.

Optionally, the support is detachably mounted to the pick-up arm; and/or the number of the groups of groups,

the supporting part is provided with a supporting area for supporting the shell component, and two ends of the supporting area are respectively provided with a stopping part.

According to the welding equipment provided by the invention, during welding, the shell is transferred to the welding table by the shell feeding device, and meanwhile, the parts are transferred to the pick-up part of the welding assembly by the part feeding device, namely, the transferring actions of the shell and the parts are completed in parallel instead of being completed successively, and then, the parts picked up by the pick-up part are placed in the shell to be welded by the welding part, so that the time spent for transferring the parts and the shell can be reduced and the welding efficiency is improved by avoiding transferring the shell to the welding station and then transferring the parts to the welding station.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an embodiment of a welding apparatus according to the present invention;

FIG. 2 is a schematic perspective view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic perspective view of the welding apparatus of FIG. 1;

fig. 4 is a schematic perspective view of the part loading device in fig. 1;

FIG. 5 is a schematic perspective view of a portion of the structure of FIG. 4;

FIG. 6 is a schematic diagram of another view of FIG. 5;

FIG. 7 is a schematic perspective view of the component part storing and taking device in FIG. 1;

FIG. 8 is a schematic view of the other view of FIG. 7;

FIG. 9 is a schematic perspective view of the storage lift device of FIG. 7;

fig. 10 is a perspective view of a portion of the structure of fig. 1 (including a housing loading device, a housing transfer line, a housing positioning table, a housing transfer device, a housing pushing device, and a housing positioning structure);

FIG. 11 is a schematic perspective view of the housing loading device of FIG. 10;

fig. 12 is a perspective view of the case transfer device of fig. 10;

FIG. 13 is a schematic perspective view of the housing pushing device of FIG. 10;

FIG. 14 is a schematic view of the planar view of FIG. 10;

FIG. 15 is a perspective view of the housing positioning structure of FIG. 10;

fig. 16 is a schematic perspective view of the blanking device in fig. 1;

FIG. 17 is a schematic perspective view of a portion of the structure of FIG. 16;

fig. 18 is a schematic view of the plan view of fig. 17.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the case where a directional instruction is involved in the embodiment of the present invention, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

The welding between spare part and the casing adopts welding set generally to weld, and welding set includes welding bench and welding set, welding set includes welding part (welding electrode in general) and is used for picking up the pick-up part of spare part, in the welding process, usually removes the casing to the welding bench, then shifts the spare part to the casing again on, and the material loading of spare part and casing promptly is gone on in succession, and is not parallel, so causes the time of spending more, welding efficiency is not high.

In view of this, the present invention provides a welding apparatus intended to be able to transfer parts and housings to a welding station in a parallel manner.

In view of this, the present invention provides a welding apparatus intended to be able to transfer parts and housings to a welding station in a parallel manner.

Fig. 1 to 5 are diagrams illustrating an embodiment of a welding apparatus according to the present invention, referring to fig. 1 to 6, the welding apparatus 100 is used for welding components to a housing, and the welding apparatus 100 includes a base 1, a welding device 2, a component feeding device 3, a housing feeding device 4, and a controller (not shown).

The specific structure of the base 1 is not limited, and may be a bottom plate or a bracket, and the base 1 is provided with a welding station 1a.

The welding device 2 is disposed on the welding station 1a, so as to weld the shell disposed on the welding station 1a with the component to form a shell assembly, the welding device 2 includes a welding table 21, and a welding assembly 22 disposed above the welding table 21, the welding assembly 22 includes a welding portion 221 and a pick-up portion (not labeled), the pick-up portion is used to pick up the component and can place the component on the shell, the welding portion 221 is used to weld the component to the shell, specifically, in the embodiment of the invention, the welding portion 221 includes a welding electrode, the pick-up portion is an electromagnetic adsorption portion, accordingly, the component is made of a magnetically adsorbable material, such as an iron material, obviously, the pick-up portion may be a negative pressure adsorption mechanism, and may be other structures, which has less limitation on the material of the component.

The component feeding device 3 is configured to transfer the component to the pick-up portion of the welding assembly 22, and the specific structure of the component feeding device 3 is not limited, and may be an adsorption mechanism or a clamping mechanism.

The shell feeding device 4 is used for transferring the shell to the welding table 21, and the specific structure of the shell feeding device 4 is not limited, and may be a mechanical arm plus a clamping mechanism, a mechanical arm plus an adsorption mechanism, or the like, which is not limited herein.

The controller is electrically connected with the shell feeding device 4 and the part feeding device 3, and is used for controlling the shell feeding device 4 and the part feeding device 3 to work, specifically, the controller controls the shell feeding device 4 and the part feeding device 3 to work in parallel.

According to the welding equipment 100 provided by the invention, during welding, the shell feeding device 4 transfers the shell to the welding table 21, and meanwhile, the component feeding device 3 transfers the components to the pick-up part of the welding assembly 22, namely, the transfer actions of the shell and the components are completed in parallel instead of being completed successively, and then the components picked up by the pick-up part are placed in the shell to be welded through the welding part 221, so that the time spent for transferring the components and the shell can be reduced, and the welding efficiency can be improved.

The welding device 100 is used for welding parts and housings, wherein the parts are in particular various parts, in particular in an embodiment of the invention the welding device 100 is used for welding the feet of a compressor to the housing of the compressor, also in case the parts are the feet of the compressor, the housing is the housing of the compressor, in particular the inversion of the housing of the compressor is placed on the welding table 21 of the welding device 2, the feet are moved downwards from above to the bottom of the housing.

Generally speaking, the distance between the welding table 21 and the welding assembly 22 is relatively short, and it is difficult to transfer the component to the pick-up portion of the welding assembly 22 while transferring the housing to the welding table 21, so in the embodiment of the present invention, the component feeding device 3 is specially designed, and specifically, the component feeding device 3 includes a first mounting seat 31, a supporting arm 32, a first driving device 33, a bearing seat 34, a rotating member 35, and a second driving device 36.

The first mounting seat 31 is used as a mounting base body of the integral feeding device, and can be fixedly mounted on the base 1, and the specific shape of the first mounting seat 31 is not limited, and can be a mounting plate, a mounting block or other mounting plates.

The support arm 32 is movably disposed on the first mounting seat 31, the support arm 32 has a feeding movement stroke, and the support arm 32 can be disposed near to or far from the welding station 1a on the movement stroke, so that the support arm 32 can move to a space between the welding assemblies 22 of the welding table 21.

The first driving device 33 drives the support arm 32 to move, and specifically, the mechanism for driving the support arm 32 is not limited, as long as the support arm 32 can be driven to move toward the welding station 1 a. The bearing seat 34 is disposed on the support arm 32, and the bearing seat 34 may be movably disposed up and down, so as to bear components, the rotating member 35 has a mounting portion 352 rotatably mounted on the support arm 32, and a driving portion 351 disposed on one side of the mounting portion 352, where the driving portion 351 extends to the bearing seat 34 so as to be capable of driving the bearing seat 34 to move up and down, and specifically, the driving portion 351 extends to the lower side of the bearing seat 34 so as to be capable of propping up the bearing seat 34 upwards.

The second driving device 36 is mounted on the support arm 32 and is staggered with the driving portion 351, that is, the second driving device 36 is located on one side of the transmission portion 353, which is close to the mounting portion 352, that is, the second driving device 36 is staggered with the driving portion 351, and the second driving device 36 is in driving connection with the rotating member 35 to drive the rotating member 35 to rotate.

In the feeding device provided by the invention, when the first driving device 33 drives the supporting arm 32 to move, the supporting arm 32 moves towards the welding station 1a, so that the bearing seat 34 arranged on the supporting arm 32 is positioned in the space between the welding table 21 and the welding assembly 22, then the second driving device 36 drives the rotating piece 35 to rotate, and the rotating piece 35 drives the bearing seat 34 to move upwards, because the bearing seat 34 is driven by the rotating piece 35 in an up-down mode, the second driving device 36 and the bearing seat 34 are not required to be arranged in a vertically opposite mode, but can be arranged in a staggered mode, and further the second driving device 36 does not extend into the space between the welding table 21 and the welding assembly 22, so that the space between the welding table 21 and the welding assembly 22 is occupied in a narrow space, namely, the bearing seat 34 of the feeding device provided by the invention occupies a small space between the welding table 21 and the welding assembly 22 during feeding, and can transfer parts to the welding assembly 22 in the narrow space.

The shape and structure of the support arm 32 are not limited, and may be plate-shaped, block-shaped, rod-shaped, or a bracket formed of a plurality of rods, and in the embodiment of the present invention, the support arm 32 has a plate shape.

The movement manner of the support arm 32 is not limited, in the embodiment of the present invention, the support arm 32 is movably disposed in a straight line so that, during the moving stroke, the support arm 32 can at least partially extend into the space between the welding table 21 and the welding assembly 22, the structure for driving the support arm 32 to move in a straight line is not limited, that is, the specific structure of the first driving device 33 is not limited, in the embodiment of the present invention, the first driving device 33 includes a rotation driving device 331 and a screw mechanism 332, the rotation driving device 331 is mounted on the first mounting seat 31, the rotation driving device 331 has an output shaft, the rotation driving device 331 may be a motor, or obviously may be other, for example, an air cylinder, further, in an embodiment of the present invention, the rotation driving device 331 is a stepper motor. The screw mechanism 332 includes a screw rod connected to the output shaft, and a nut seat 332b forming a screw rod pair with the screw rod, wherein the support arm 32 is fixedly connected to the nut seat 332b, the screw rod rotates together when the rotation driving device 331 rotates, and the nut seat 332b moves linearly on the screw rod, and the support arm 32 moves linearly along with the screw rod because the support arm 32 is fixedly connected to the nut seat 332 b. It is obvious that the present design is not limited to this, but that other means may be used for the first driving means 33.

For this reason, in the embodiment of the present invention, when the component needs to be transferred to the pick-up portion of the welding assembly 22, the screw is driven to rotate by the rotation driving device 331, and the screw seat 332b moves linearly on the screw, so as to drive the support arm 32 to move toward the welding station 1a, until the support arm 32 can at least partially extend into the space between the welding table 21 and the welding assembly 22.

The second driving device 36 drives the rotating member 35 to rotate, and the specific driving manner is not limited, and the second driving device 36 may be directly connected to the mounting portion 352 of the rotating member 35, that is, connected to the rotating shaft of the rotating member 35, so as to directly drive the rotating member 35 to rotate, or may be the second driving device 36 drives other portions (that is, portions other than the rotating shaft) of the rotating member 35, and in the embodiment of the present invention, a transmission portion 353 is further disposed on the rotating member 35, where the transmission portion 353 is located on a side of the driving portion 351 close to the mounting portion 352, that is, the transmission portion 353 and the mounting portion 352 are located on the same side of the driving portion 351. The second driving device 36 is connected to the driving part 353 in a driving manner, and drives the driving part 353 to move up and down.

The specific structure and construction of the second driving device 36 are not limited, and in particular, in the embodiment of the present invention, the transmission portion 353 is located at the other side of the mounting portion 352, that is, the transmission portion 353 and the supporting portion 73 are located at both sides of the mounting portion 352, so that it is convenient to arrange the first driving device 33, and it is obvious that the present design is not limited thereto, and in another embodiment of the present invention, the transmission portion 353 is located at one side of the mounting portion 352, that is, the driving portion 351 and the transmission portion 353 are located at the same side of the mounting portion 352.

The bearing seat 34 is movably disposed up and down on the support arm 32, and the form of the vertically movable disposition is not limited, in the embodiment of the present invention, a sliding mounting structure 361 is disposed between the bearing seat 34 and the support arm 32, and the sliding mounting structure 361 is configured such that the bearing seat 34 can be movably mounted on the support arm 32 up and down, so that the vertical movement of the bearing seat 34 can be achieved, and the structure is relatively simple. Specifically, in the embodiment of the present invention, the guide posts 361a are disposed on the support arm 32, the mounting holes 361b are disposed on the bearing seat 34, and in order to enable the bearing seat 34 to stably realize the up-down movement, the guide posts 361a and the mounting holes 361b are disposed in a one-to-one correspondence in multiple groups.

In the embodiment of the present invention, the supporting arm 32 is at least partially hollowed out, the bearing seat 34 is disposed on the upper side of the supporting arm 32 and corresponds to the hollowed out area, and the rotating member 35 is disposed on the lower side of the supporting arm 32, so that the rotating member 35 can be conveniently disposed, and the driving portion 351 of the rotating member 35 can rotate upwards from the hollowed out portion to abut against the bearing seat 34, so that the space occupied by the bearing seat 34, the rotating member 35 and the supporting arm 32 can be further reduced.

In the embodiment of the present invention, the second driving device 36 has a driving portion movably disposed up and down, and the driving portion of the second driving device is movably connected with the transmission portion 353, specifically, the driving portion of the second driving device 36 is movably connected with the transmission portion 353 through a hinge structure.

The specific shape and structure of the second driving device 36 are not limited, and in particular, in an embodiment of the present invention, the second driving device 36 includes one of a cylinder, an electric cylinder, and an oil cylinder.

In an embodiment of the present invention, referring to fig. 1 and 7 to 9, the welding apparatus 100 further includes a component storing and taking device 5, the component storing and taking device 5 is used for storing components, and transferring the components to the carrying seat 34 for being transferred to the pick-up portion of the welding assembly 22 by the component feeding device 3. Specifically, the component storing and taking device 5 includes a storage structure 51 and a material taking mechanism 52, the storage structure 51 is used for storing the components, the storage structure 51 may be a tray, or may be a bin or a trough, and the material taking mechanism 52 is used for picking up the components on the storage structure 51 onto the bearing seat 34.

Specifically, in the embodiment of the present invention, the storage structure 51 includes a turntable 511 and a turntable driving mechanism 512 that are rotatably disposed, the turntable 511 is provided with a plurality of storage portions 513 distributed along a circumferential direction thereof, the storage portions 513 are configured to store components, the turntable driving mechanism 512 drives the turntable 511 to rotate, and the material taking mechanism 52 is disposed above the turntable 511, so as to pick up the components on the storage portions 513 and transfer the components to the carrier 34 when the turntable 511 rotates the storage portions 513 to the material taking position.

In the embodiment of the present invention, the storage portion 513 may be movably mounted on the turntable 511 up and down, the component storing and taking device 5 further includes a storage lifting device 514 for driving the storage portion 513 to lift, specifically, a plurality of storage areas are disposed on the turntable 511, the plurality of storage areas are distributed along a circumferential direction of the turntable 511, each storage area is provided with a plurality of sliding columns 515 and a carrier plate 513a slidably mounted on the sliding column 515, specifically, a through hole 513b is disposed on the carrier plate 513a to correspondingly allow the sliding column 515 to pass through, the carrier plate 513a forms the storage portion 513, a plurality of components are stacked on the carrier plate 513a, and the storage lifting device 514 specifically includes a cylinder and a supporting block, and the storage areas are in a hollow arrangement for the supporting block to support.

The material taking mechanism 52 includes a material taking portion 521 movably disposed up and down, and a material taking lifting device 522 for driving the material taking portion 521 to move up and down, where the material taking portion 521 is specifically a magnetic attraction portion, the magnetic attraction portions are plural, and the parts are magnetically adsorbable parts. The material taking part 521 is provided with a position detecting device, which is used for detecting a distance between the material taking part 521 and a part on the material storage part 513, and specifically, the position detecting device is a photoelectric travel switch. The controller is electrically connected to the position detecting device, the storage lifting device 514, and the material taking lifting device 522, when the distance between the material taking portion 521 and the component is large, and the movable travel of the material taking portion 521 is insufficient to reach the component, the storage portion 513 needs to be driven to rise by the storage lifting device 514 at this time.

In the embodiment of the present invention, referring to fig. 1, 10 and 11, the housing feeding device 4 includes a second mounting seat 41 and a second pick-up mechanism 42, the second mounting seat 41 is movably disposed in a direction approaching and separating from the welding table 21, the second pick-up mechanism 42 is mounted on the second mounting seat 41 and is used for picking up the housing to the welding table 21, and the second pick-up mechanism 42 may be a clamping jaw or an adsorption mechanism, specifically, in the embodiment of the present invention, the second pick-up mechanism 42 includes two clamping arms 421 and a clamping arm driving mechanism 422, the two clamping arms 421 are mounted on the second mounting seat 41 and are movably disposed in a direction approaching and separating from each other, and the clamping arm driving mechanism 422 is used for driving the two clamping arms 421 to move, specifically, in the embodiment of the present invention, the clamping arm driving mechanism 422 includes a clamping jaw cylinder, and the design is obviously not limited thereto.

In an embodiment of the present invention, referring further to fig. 12 to 15, the welding apparatus 100 further includes a housing conveying line 61 laterally opposite to the welding station 1a, and a housing positioning table 62 is disposed between the housing conveying line 61 and the welding station 1 a. The welding apparatus 100 further includes a housing transfer device 63, a housing pushing device 64, and a housing positioning structure 65, where the housing transfer device 63 is used for transferring the housing to the housing conveying line 61, and the specific structure of the housing transfer device 63 is not limited, and may be a gripping device, and in particular, in the embodiment of the present invention, the housing transfer device 63 transfers the housing after other processes are completed to the housing conveying line 61. The housing pushing device 64 is used for pushing the housing from the lateral direction of the housing conveying line 61 to a positioning position on the housing positioning table 62, and the housing pushing device 64 has two pushing portions 641 for pushing the housing. The casing positioning structure 65 is disposed at the positioning position, the casing positioning structure 65 includes a clamping arm 651, a propping portion and a propping driving mechanism 653, where the clamping arm 651 defines a limiting groove for clamping with the circumference of the casing, the propping portion is movably disposed in a direction close to and far away from the clamping arm 651, and the propping driving mechanism 653 drives the propping portion to move, so that the casing is matched with the limiting groove of the clamping arm 651, so as to accurately position the casing.

In an embodiment of the present invention, referring to fig. 16 to 18, the welding apparatus 100 further includes a blanking device 7, the blanking device 7 is used for transferring the welded shell assembly on the welding station 1a out, and the blanking device 7 includes a third mounting seat 71, two pick-up arms 72 and a pick-up arm driving mechanism 75. The mounting seat is movably arranged so as to have a material taking stroke moving to the welding station 1a and a material discharging stroke moving out from the welding station 1a, and the specific moving mode of the third mounting seat 71 is not limited, and can be at least one of transverse movement, longitudinal movement and upward and downward movement, or can be a combination of the movements, so long as the movement to the welding station 1a and the movement away from the welding station 1a can be realized.

The two pick-up arms 72 are disposed at intervals, one end of each of the two pick-up arms 72 is mounted on the third mounting seat 71, and at least one of the two pick-up arms 72 is movably disposed in a direction approaching and separating from each other, that is, only one of the pick-up arms 72 may be movably disposed, or both of the pick-up arms 72 may be movably disposed, so that the two pick-up arms 72 have a movable stroke approaching and separating from each other, so that the housing assembly can be picked up from both sides of the housing assembly.

The pick arm drive mechanism 75 drives the movably disposed pick arms 72 in motion so that the two pick arms 72 can be moved toward each other to pick up the housing assembly and moved away from each other to release the housing assembly.

In the technical scheme provided by the invention, in the welding process of the shell component on the welding station 1a, when the two pick-up arms 72 are correspondingly positioned at the two outer sides of the shell, the pick-up arm driving mechanism 75 drives the movably arranged pick-up arms 72 to move so that the two pick-up arms 72 are close to each other, and further, the shell component can be picked up from the two sides of the shell component without influencing the welding of the shell component, so that the blanking device 7 can be positioned at the welding station 1a in the welding process without influencing the welding effect by the structural arrangement of the blanking device 7, and meanwhile, the moving time required for moving the blanking device 7 to the welding station 1a after the welding is finished is avoided.

The two pickup arms 72 may clamp or support the housing assembly, or may adsorb the housing assembly, in this embodiment, the two pickup arms 72 mainly support the housing assembly, specifically, the inner sides of the two pickup arms 72 are both provided with supporting portions 73, and the supporting portions 73 are used for supporting the laterally protruding portions of the housing assembly, so that stable pickup of the housing assembly can be achieved, and of course, the two pickup arms 72 may also laterally limit the housing assembly.

In an embodiment of the invention, the welding device 100 is used for welding parts and housings, wherein the parts are in particular various parts, in particular in an embodiment of the invention the welding device 100 is used for welding feet to a housing of a compressor, in particular an inversion of the housing of the compressor is placed on a welding table 21 of the welding apparatus 2, the feet being moved from top to bottom to the bottom of the housing. The blanking device 7 is used for moving out the welded shell components of the compressor on the welding station 1a, and the supporting parts 73 on the two pick-up arms 72 are used for correspondingly supporting the two feet of the shell components.

The supporting portion 73 is disposed on the pickup arm 72, and the supporting portion 73 may be integrally disposed with the pickup arm 72 or may be separately disposed, and in this embodiment of the present invention, the supporting portion 73 may be detachably mounted on the pickup arm 72, specifically may be fixed to the pickup arm 72 by a screw, may be fixed to the pickup arm 72 by welding, or may be fixed to the pickup arm 72 by a structure such as a buckle.

The supporting portion 73 has a supporting area for supporting the housing assembly, and the two ends of the supporting area are respectively provided with a stopping portion 74, for which, when the housing assembly is placed in the supporting area, the two stopping portions 74 are located at two sides of the housing assembly to limit the two sides of the housing assembly.

In view of the housing components supported differently, in the embodiment of the present invention, at least one of the stopping portions 74 is movably disposed on the supporting portion 73 along the length direction of the pick-up arm 72, so that the housing components with different sizes are adapted, and the manner in which the stopping portion 74 is movably disposed on the supporting portion 73 is not limited, but may be an elongated groove extending along the length direction of the pick-up arm 72 is disposed on the supporting portion 73, and the stopping portion 74 is mounted on the elongated groove by a screw so as to be capable of being movably disposed along the length direction of the pick-up arm 72.

In addition, in the embodiment of the present invention, in order to reserve a small gap between the two stopping portions 74 and the housing assembly, or even not reserve a gap, so as to enable the housing assembly to be precisely limited, at least one stopping portion 74 is movably mounted on the supporting portion 73 in the length direction of the pick-up arm 72 through an elastic member, so that the stopping portion 74 can elastically move in the length direction of the pick-up arm 72, so that the stopping portion 74 keeps elastically abutting against the housing assembly. The elastic member may be a spring, a rubber pad, or the like, or the stopper 74 may be rotatably mounted on the support 73, and the elastic member may be a torsion spring, and the torsion spring may be a return rotation of the stopper 74.

In the embodiment of the present invention, the supporting portion 73 is provided with an elastic portion at least in the supporting area, that is, an elastic pad may be provided on the supporting portion 73 at a position corresponding to the supporting area, or the supporting portion 73 itself may be provided with an elastic material to elastically support the housing assembly, so that the housing assembly is protected on one hand, and the elastic portion may be deformed and attached to the housing assembly, so that the housing assembly may be supported better and stably.

In the embodiment of the present invention, the pick-up arm driving mechanism 75 includes a linear driving mechanism which may include one of a cylinder, an electric cylinder, a linear motor, etc., without limitation, and has a driving portion movable in a direction in which the two pick-up arms 72 are spaced apart from each other, the driving portion being mounted for the pick-up arms 72 to be movably disposed so as to drive the pick-up arms 72 to be linearly movable in the direction in which the two pick-up arms 72 are spaced apart from each other, so that driving of the pick-up arms 72 can be achieved by a simple structure, and further, in the embodiment of the present invention, the linear driving mechanism includes a jaw cylinder having two driving portions movable in the direction in which the two pick-up arms 72 are spaced apart from each other, the two driving portions being mounted for the two pick-up arms 72 to be correspondingly movable in the direction in which the two pick-up arms 72 are spaced apart from each other.

The specific manner of movably mounting the movably disposed pick-up arm 72 is not limited, and in the embodiment of the present invention, the movably disposed pick-up arm 72 is slidably mounted on the third mounting seat 71 along a lateral direction by a sliding connection structure 76, and the pick-up arm driving mechanism 75 drives the movably disposed pick-up arm 72 to slide along a direction in which the two pick-up arms 72 are spaced from each other. Specifically, in the embodiment of the present invention, the sliding connection structure 76 includes a sliding block 762 and a sliding groove 763, the sliding groove 763 extends along a direction in which the two pickup arms 72 are spaced apart from each other, one of the sliding groove 763 and the sliding block 762 is provided on the pickup arm 72, the other is provided on the third mounting seat 71, and in order to improve the fitting stability between the pickup arm 72 and the third mounting seat 71, the sliding groove 763 is a T-shaped groove or a dovetail groove, and the sliding block 762 is a T-shaped sliding block 762 or a dovetail-shaped sliding block 762.

In the embodiment of the present invention, the sliding connection structure 76 is located on the side of the pick-up arm driving mechanism 75 near the other end of the pick-up arm 72, that is, after the housing assembly is picked up by the two pick-up arms 72, the sliding connection structure 76 is located between the pick-up arm driving mechanism 75 and the housing assembly, how the movably provided pick-up arm 72 can be made to have higher movement stability in the length direction of the pick-up arm 72.

The sliding connection structure 76 includes the slider 762 and the chute 763, specifically, in the embodiment of the invention, the movably disposed pick-up arm 72 is located at one side of the third mounting seat 71 in the direction in which the two pick-up arms 72 are spaced apart from each other, the sliding connection structure 76 includes the connection portion 761, the slider 762 and the chute 763, the connection portion 761 has the first connection section 7611 connected with the movably disposed pick-up arm 72, and the second connection section 7612 extending from the first connection section 7611 to the mounting seat to the opposite side of the third mounting seat 71, the slider 762 is mounted on the second connection section 7612, and the chute 763 extends along the direction in which the two pick-up arms 72 are spaced apart from each other and is disposed on the mounting seat for the sliding mounting of the slider 762, so that the sliding stability of the pick-up arm 72 is higher.

In the embodiment of the present invention, the third mounting seat 71 is provided with a mounting portion 352 (may be a flange), and the mounting portion 352 is configured to be mounted with a manipulator, so that the third mounting seat 71 is driven by the manipulator to be movably disposed. It is obvious that the present design is not limited to this, and the third mounting seat 71 may be movably arranged by a multi-axis mechanism.

In the welding apparatus 100 provided by the invention, during welding, the shell and the parts are respectively transferred to the welding station 1a, wherein for the shell which is a compressor, the shell is firstly transferred to the welding station 1a in an inverted manner, specifically to the welding table 21, at this time, the bottom of the shell is upward, the parts, namely the feet, are transferred to the welding assembly 22 so as to be picked up by the pickup arm 72 of the welding assembly 22, and then the feet are welded to the shell by the welding assembly 22 in an arc welding manner so as to form the shell assembly.

At the same time of welding, the mounting base moves to the welding station 1a, and the pick-up arm driving mechanism 75 drives the two pick-up arms 72 to move close to each other, so that the supporting portion 73 on the welding arm is supported on the lower side of the foot, and then, after the welding is completed, the third mounting base 71 can be controlled to move to a position away from the welding station 1a, specifically, the third mounting base 71 is driven to move by a manipulator. For this purpose, the housing assembly can be transferred out after the welding is completed, thereby facilitating the welding of the next housing assembly.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims (16)

1. A welding apparatus for welding a component to a housing, the welding apparatus comprising:

a base on which a welding station is arranged;

the welding device is arranged at the welding station and comprises a welding table and a welding assembly arranged above the welding table, the welding assembly comprises a welding part and a picking part, the picking part is used for picking the parts and placing the parts on the shell, and the welding part is used for welding the parts to the shell;

the part feeding device is used for transferring the parts to a pick-up part of the welding assembly;

the shell feeding device is used for transferring the shell to the welding table; the method comprises the steps of,

and the controller is used for controlling the shell feeding device and the part feeding device to work.

2. The welding apparatus of claim 1, wherein the welding apparatus is configured to weld feet of the compressor to a housing of the compressor.

3. The welding apparatus of claim 1, wherein the component loading device comprises:

a first mount;

the support arm is movably arranged on the first mounting seat so as to be arranged close to or far away from the welding station;

The first driving device drives the supporting arm to move;

the bearing seat is arranged on the supporting arm and can be arranged up and down movably and is used for bearing parts;

the rotating piece is provided with an installation part which is installed on the supporting arm in a vertical rotating way and a driving part which is positioned on one side of the installation part, and the driving part extends to the bearing seat so as to drive the bearing seat to move up and down; the method comprises the steps of,

the second driving device is arranged on the supporting arm and staggered with the driving part, and is in driving connection with the rotating piece so as to drive the rotating piece to rotate.

4. The welding apparatus according to claim 3, wherein the rotating member is further provided with a transmission portion, and the transmission portion is located at a side of the driving portion near the mounting portion;

the second driving device is connected with the transmission part in a transmission way and drives the transmission part to move up and down.

5. The welding apparatus of claim 4 wherein said transmission is located on the other side of said mounting portion.

6. A welding apparatus as defined in claim 3, wherein said first drive means comprises:

the rotation driving device is arranged on the first mounting seat and is provided with an output shaft; the method comprises the steps of,

The screw mechanism comprises a screw rod connected with the output shaft and a screw nut seat forming a screw rod pair with the screw rod;

the supporting arm is fixedly connected to the nut seat.

7. The welding apparatus of claim 3, further comprising a component storage and retrieval device, the component storage and retrieval device comprising:

the storage structure is used for storing the parts; the method comprises the steps of,

and the material taking mechanism is used for picking up parts on the material storage structure to the bearing seat.

8. The welding apparatus of claim 7, wherein the stock structure comprises:

the rotary table is rotatably arranged, a plurality of storage parts distributed along the circumferential direction of the rotary table are arranged on the rotary table, and the storage parts are used for storing parts; the method comprises the steps of,

the turntable driving mechanism drives the turntable to rotate;

the material taking mechanism is arranged above the rotary table and is used for picking up parts on the material storage part and transferring the parts to the bearing seat when the rotary table rotates the material storage part to the material taking position.

9. The welding apparatus according to claim 8, wherein the stock portion is vertically movably mounted to the turntable, and the component stock-storing device further includes a stock-lifting device that drives the stock portion to lift;

The material taking mechanism comprises a material taking part and a material taking lifting device, wherein the material taking part is arranged in a vertically movable manner, and the material taking lifting device is used for driving the material taking part to move vertically;

the material taking part is provided with a position detection device for detecting the distance between the material taking part and the parts on the material storage part;

the controller is electrically connected with the position detection device, the storage lifting device and the material taking lifting device.

10. The welding apparatus of claim 1, wherein the housing loading device comprises:

the second installation seat is movably arranged in the direction approaching to and away from the welding table; the method comprises the steps of,

the second pick-up mechanism is arranged on the second mounting seat and used for picking up the shell to the welding table.

11. The welding apparatus of claim 10, wherein the second pick-up mechanism comprises:

the two clamping arms are arranged on the second mounting seat and are movably arranged in the directions of approaching and separating from each other; the method comprises the steps of,

the clamping arm driving mechanism is used for driving the two clamping arms to move.

12. The welding apparatus of claim 10 further comprising a housing transfer line laterally opposite the welding station, a housing locating station disposed between the housing transfer line and the welding station;

The welding apparatus further includes:

the shell transfer device is used for transferring the shell to the shell conveying line;

the shell pushing device is used for pushing the shell to a positioning position on the shell positioning table from the lateral direction of the shell conveying line;

the shell positioning structure is arranged at the positioning position and comprises a clamping arm, a propping part and a propping driving mechanism, wherein the clamping arm is limited with a limiting groove clamped with the circumference of the shell, the propping part is movably arranged in the direction close to and far away from the clamping arm, and the propping driving mechanism drives the propping part to move.

13. The welding apparatus of claim 1 further comprising a blanking device for transferring the welded shell assembly out of the welding station, the blanking device comprising:

the third mounting seat is movably arranged and provided with a material taking stroke for moving to the welding station and a discharging stroke for moving out from the welding station;

the two pick-up arms are arranged at intervals, one ends of the two pick-up arms are mounted on the third mounting seat, and at least one of the two pick-up arms is movably arranged in the directions of approaching and separating from each other so as to pick up the shell assembly from two sides of the shell assembly; the method comprises the steps of,

And the pick-up arm driving mechanism drives the pick-up arm which is movably arranged to move.

14. Welding apparatus according to claim 13, wherein the inner sides of the two pick-up arms are each provided with a support portion for supporting a laterally protruding portion of the housing assembly.

15. The welding apparatus of claim 14 wherein said blanking device is configured to transfer a welded compressor shell assembly out of a welding station;

the supporting parts on the two pick-up arms are used for correspondingly supporting the two feet of the shell assembly.

16. The welding apparatus of claim 14 wherein said support is removably mounted to said pick-up arm; and/or the number of the groups of groups,

the supporting part is provided with a supporting area for supporting the shell component, and two ends of the supporting area are respectively provided with a stopping part.