CN111250847B - Automatic welding equipment for foot plates - Google Patents
Automatic welding equipment for foot plates Download PDFInfo
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- CN111250847B CN111250847B CN202010213763.XA CN202010213763A CN111250847B CN 111250847 B CN111250847 B CN 111250847B CN 202010213763 A CN202010213763 A CN 202010213763A CN 111250847 B CN111250847 B CN 111250847B
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- 238000003466 welding Methods 0.000 title claims abstract description 97
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000004146 energy storage Methods 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims description 28
- 238000004364 calculation method Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 8
- 210000000078 claw Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/02—Pressure butt welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/24—Electric supply or control circuits therefor
- B23K11/26—Storage discharge welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Resistance Welding (AREA)
- Automatic Assembly (AREA)
Abstract
The invention relates to the technical field of welding, in particular to automatic foot plate welding equipment, which comprises a welding machine frame, an upper electrode, a lower electrode and an energy storage and discharge transformer, wherein the energy storage and discharge transformer is arranged in the welding machine frame; a supporting seat is fixed between the lower surface of the lower fixing plate and the bottom end of the welding machine frame, a large-caliber welding cylinder is installed in the supporting seat, a jacking mechanism is installed at the upper end of the large-caliber welding cylinder, a lower electrode is installed at the top end of the jacking mechanism, and a self-centering mechanism is installed at the upper end of the lower electrode; the invention can realize intermittent feeding of the compressor foot plate into the welding station, realizes automatic operation and improves production efficiency; and meanwhile, the compressor shell is automatically positioned and locked, so that the consistency of welding positions on the compressor shell can be ensured.
Description
Technical Field
The invention relates to the technical field of welding, in particular to automatic welding equipment for foot plates.
Background
The compressor is a driven fluid machine that lifts low-pressure gas into high-pressure gas, and is a heart of a refrigeration system. The low-temperature low-pressure refrigerant gas is sucked from the air suction pipe, the motor is operated to drive the piston to compress the low-temperature low-pressure refrigerant gas, and then the high-temperature high-pressure refrigerant gas is discharged to the air discharge pipe to provide power for refrigeration cycle. The compressor is considered the heart of the refrigeration system and the term "vapor pump" which is the most characteristic of the compressor. The compressor actually assumes the role of raising the pressure, increasing the suction pressure state to the discharge pressure state.
During the production and processing of the compressor, it is generally required to weld the stirring device to the outer wall of the compressor housing, but there are still many disadvantages of the existing welding device, such as: the compressor foot plate is required to be manually placed at the welding station, so that the working efficiency is low, the labor cost is high, and meanwhile, certain potential safety hazards exist; the position of the compressor shell cannot be accurately positioned, so that deviation occurs in the welding position, the qualification rate of welding products is low, and the welding of the compressor shells of different models and sizes is inconvenient.
Disclosure of Invention
The invention designs automatic welding equipment for the foot plates aiming at the problems of the background technology, solves the problems of low working efficiency caused by the need of manually placing the foot plates of the compressor at a welding station, and solves the problem of deviation of welding positions caused by the fact that the positions of the shell of the compressor cannot be accurately positioned.
The invention is realized by the following technical scheme:
The automatic welding equipment for the foot plates comprises a welding machine frame, an upper electrode, a lower electrode and an energy storage discharge transformer, wherein the welding machine frame adopts a C-shaped welding structure, supporting feet are arranged at four corners of the top and bottom ends of the welding machine frame, the energy storage discharge transformer is arranged in the welding machine frame, a pair of small-caliber welding cylinders are arranged on the front side wall of the top end of the welding machine frame, cylinder shafts of the pair of small-caliber welding cylinders penetrate through an upper fixing plate and are arranged on the upper electrode, foot plate grabbing mechanisms are arranged at two ends of the upper electrode, a PLC (programmable logic controller) system control box is further arranged on the upper end face of the upper fixing plate, a lower fixing plate is arranged under the upper fixing plate, four upright posts are fixedly arranged at four corners of the upper fixing plate and the lower fixing plate through fasteners, a cylinder seat is fixedly arranged between the front upright post and the rear upright post through the fasteners, foot plate pushing cylinders are arranged on the cylinder seat, and a foot plate discharging structure is further arranged above the cylinder seat; a supporting seat is fixed between the lower surface of the lower fixing plate and the bottom end of the welding machine frame, a large-caliber welding cylinder is installed in the supporting seat, a jacking mechanism is installed at the upper end of the large-caliber welding cylinder, the top end of the jacking mechanism is provided with the lower electrode, and a self-centering mechanism is installed at the upper end of the lower electrode.
As the further improvement of above-mentioned scheme, sole ejection of compact structure includes ejection of compact guide rail, guide rail frame and electronic clearance ejection of compact subassembly, ejection of compact guide rail passes through guide rail frame fixed mounting in the top of cylinder block, the bar groove has been seted up to ejection of compact guide rail's preceding lateral wall, ejection of compact guide rail's preceding lateral wall still is fixed with the backup pad.
As the further improvement of above-mentioned scheme, electronic clearance ejection of compact subassembly includes axis of rotation, rotation motor, cam, reset spring and pawl, the axis of rotation pass through the bearing frame rotate install in the backup pad top, the outer wall of axis of rotation is fixed with the ratchet, four with pawl matched with slot has evenly been seted up to the outer wall all around of ratchet, the top of axis of rotation is fixed with the carousel, the outer wall of carousel evenly is fixed with four fender material poles, rotation motor's output shaft fixed mounting have the cam, the pawl hinge in the backup pad upper end, just the lateral wall of pawl still integrated into one piece has a lug, reset spring is fixed in the pawl with between the outer wall of ejection of compact guide rail.
As a further improvement of the scheme, the self-centering mechanism comprises four bearing seats and centering cylinders, wherein the centering cylinders are uniformly distributed along the circumference of the center of the bearing seats, and the four centering cylinders are fixed with the bearing seats through fastening screws.
As a further improvement of the scheme, an ultrasonic position sensor is arranged in the center of the bearing seat, a compressor shell is arranged above the bearing seat, and an induction block is arranged at the center of the top of the compressor shell.
As a further improvement of the scheme, the PLC system control box is internally provided with a spatial position module, a calculation module, a storage module, a judgment module and a processing module, wherein the spatial position module marks the position of an ultrasonic position sensor as a coordinate origin, the spatial position module also marks two groups of truly opposite centering cylinders as an X axis and a Y axis in sequence, the X axis and the Y axis jointly form a coordinate system, the ultrasonic position sensor positively projects the detected position of a sensing block on the coordinate system and marks the position as A (X 1,y1), and the calculation module executes a calculation formula for the horizontal distance between the ultrasonic position sensor and the sensing block to obtain the position of the ultrasonic position sensor
The judging module judges the horizontal distance between the ultrasonic position sensor and the sensing block by the calculating module, and the processing module is used for receiving the position signal sent by the judging module and transmitting the output signal to the four centering cylinders.
As a further improvement of the scheme, the jacking mechanism comprises a supporting plate, guide rods and supporting columns, wherein the supporting columns are fixedly arranged in the middle of the upper surface of the supporting plate, the middle of the lower surface of the supporting plate is arranged with the cylinder shaft of the large-caliber welding cylinder, and the guide rods are respectively fixed on two sides of the lower surface of the supporting plate.
As a further improvement of the scheme, a transverse plate is further fixed in the supporting seat, two guide shaft sleeves matched with the guide rods are installed on the transverse plate, and the central axes of the guide shaft sleeves are collinear with the central axes of the corresponding guide rods.
As a further improvement of the scheme, a fence is further arranged between the lower fixing plate and the welding machine frame, and filter glass is embedded on the fence.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, the rotating motor rotates to drive the cam to rotate, when the tip end on the cam rotates to the lug integrally formed on the side wall of the pawl, the pawl can be ejected outwards, and at the moment, the claw of the pawl is separated from the inside of the groove uniformly formed on the peripheral outer wall of the ratchet wheel, so that the material blocking rod can be pressed downwards under the action of the gravity of the foot plate of the compressor, one foot plate of the compressor can slide out from the bottom end of the discharging guide rail, the claw of the pawl can be driven to rotate when the material blocking rod rotates downwards, the claw of the pawl can be blocked into the inside of the next groove under the action of the pulling force of the reset spring to prevent the ratchet wheel from continuing to rotate, and at the moment, the foot plate of the next compressor can be blocked between the two material blocking rods on the outer wall of the turntable, and the two material blocking rods can prevent the foot plate of the next compressor from continuing to drop until the tip end on the cam of the next period rotates to the lug integrally formed on the side wall of the pawl; in conclusion, one compressor foot plate can be led out after each rotation of the cam, so that the invention can intermittently send the compressor foot plate into the welding station, realize automatic operation, improve production efficiency and reduce labor cost.
2. According to the invention, the ultrasonic position sensor is arranged at the center of the bearing seat, the compressor shell is placed above the bearing seat, the sensing block is arranged at the center of the top of the compressor shell, the spatial position module in the PLC system control box can send the central position information of the compressor shell to the storage module, the calculation module can calculate the horizontal distance from the center of the bearing seat to the center of the top of the compressor shell, then the judgment module judges the horizontal distance, when the horizontal distance is larger than the allowable deviation distance, the processing module can control the four centering cylinders to correspondingly extend, and finally the compressor shell is clamped, so that the compressor shell is automatically positioned and locked through the self-centering mechanism during welding, the consistency of welding positions on the compressor shell can be ensured, and meanwhile, the compressor shells with different models and sizes can be compatible.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an assembled structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of a first perspective view of the present invention with the foot plate discharge structure and rail removed;
FIG. 4 is a schematic view of a second perspective view of the present invention with the foot plate discharge structure and rail removed;
FIG. 5 is a schematic view of the self-centering mechanism of the present invention;
FIG. 6 is a schematic view of the self-centering mechanism of the present invention after installation of the compressor housing;
FIG. 7 is a schematic view of a discharging structure of a foot plate according to the present invention;
FIG. 8 is a schematic diagram of an electrical gap take-off assembly according to the present invention;
FIG. 9 is a schematic diagram of a circuit control module of the self-centering mechanism of the present invention;
FIG. 10 is a schematic diagram of a coordinate system established by a spatial location module according to the present invention;
Fig. 11 is a schematic diagram of the operation of the self-centering mechanism of the present invention.
The welding machine comprises a 1-welding machine frame, a 2-upper electrode, a 3-lower electrode, a 4-energy storage discharge transformer, a 5-foot plate discharging structure, a 501-discharging guide rail, a 502-guide rail frame, a 503-electric gap discharging assembly, a 5031-rotating shaft, a 5032-rotating motor, a 5033-cam, a 5034-reset spring, a 5035-pawl, a 5036-ratchet wheel, a 5037-groove, a 5038-rotating disc, a 5039-retaining rod, a 504-strip-shaped groove, a 505-supporting plate, a 6-jacking mechanism, a 601-supporting plate, a 602-guide rod, a 603-supporting column, a 7-self-centering mechanism, a 701-supporting seat, a 702-centering cylinder, a 703-ultrasonic position sensor, an 8-supporting foot, a 9-small-caliber welding cylinder, a 10-upper fixing plate, a 11-foot plate grabbing mechanism, a 12-PLC system control box, a 121-space position module, a 122-calculating module, a 123-storing module, a 124-judging module, a 125-processing module, a 13-lower fixing plate, a 14-upright post, a 15-cylinder seat, a 16-foot plate, a 16-pushing cylinder, a 17-supporting seat, a 18-large-diameter supporting seat, a 18-compressor housing, a 19-large-diameter sensing cylinder, a 19-20-compressor housing, a 20-small-diameter glass filter sleeve, a 20-diameter sensing cylinder, a 20-diameter sensor, a horizontal sleeve, and a 20-glass filter.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
The technical scheme of the invention is further described below with reference to the accompanying drawings.
1-4, The automatic welding equipment for the foot plate comprises a welding machine frame 1, an upper electrode 2, a lower electrode 3 and an energy storage discharge transformer 4, wherein the welding machine frame 1 adopts a C-shaped welding structure, and can bear enough component load through stress relief treatment, reduce deformation and vibration generated during welding of the foot plate, and ensure enough rigidity and equipment precision retention; the four corners of the top and bottom ends of the welding machine frame 1 are provided with supporting feet 8, an energy storage and discharge transformer 4 is arranged in the welding machine frame 1, the front side wall of the top end of the welding machine frame 1 is provided with a pair of small-caliber welding cylinders 9, cylinder shafts of the pair of small-caliber welding cylinders 9 penetrate through an upper fixing plate 10 and are arranged with an upper electrode 2, two ends of the upper electrode 2 are provided with foot plate grabbing mechanisms 11, the upper end surface of the upper fixing plate 10 is also provided with a PLC system control box 12, a lower fixing plate 13 is arranged right below the upper fixing plate 10, four stand columns 14 are fixedly arranged at four corners of the upper fixing plate 10 and the lower fixing plate 13 through fasteners, a cylinder seat 15 is fixedly arranged between the front stand column 14 and the rear stand column 14 through the fasteners, foot plate pushing cylinders 16 are arranged on the cylinder seat 15, and a foot plate discharging structure 5 is also arranged above the cylinder seat 15; a supporting seat 17 is fixed between the lower surface of the lower fixing plate 13 and the bottom end of the welding machine frame 1, a large-caliber welding cylinder 18 is arranged in the supporting seat 17, a jacking mechanism 6 is arranged at the upper end of the large-caliber welding cylinder 18, a lower electrode 3 is arranged at the top end of the jacking mechanism 6, and a self-centering mechanism 7 is arranged at the upper end of the lower electrode 3.
As shown in fig. 2, the jacking mechanism 6 comprises a supporting plate 601, guide rods 602 and supporting columns 603, wherein the supporting columns 603 are fixedly arranged in the middle of the upper surface of the supporting plate 601, the middle of the lower surface of the supporting plate 601 is arranged with a cylinder shaft of a large-caliber welding cylinder 18, and the guide rods 602 are respectively fixed on two sides of the lower surface of the supporting plate 601; a transverse plate 21 is also fixed in the support seat 17, the transverse plate 21 is provided with two guide shaft sleeves 22 matched with the guide rods 602, the central axes of the guide shaft sleeves 22 are collinear with the central axes of the corresponding guide rods 602, and the guide rods 602 can only slide up and down along the guide shaft sleeves 22, so that the lower electrode 3 can vertically move upwards or downwards; a fence 23 is further arranged between the lower fixing plate 13 and the welder frame 1, a filter glass 24 is embedded on the fence 23, misoperation in the process of personnel operation or automatic feeding and discharging of equipment can be avoided on the fence 23, and strong light generated by welding can be prevented from stimulating human eyes by the filter glass 24.
The working principle of the invention is as follows: during welding, firstly pouring the foot plate into the foot plate discharging structure 5, and automatically pushing the foot plate to be welded to a welding station through the foot plate pushing cylinder 16; then the foot plate grabbing mechanism 11 grabs the foot plate and sends the foot plate to a welding position, then the small-caliber welding cylinder 9 drives the upper electrode 2 to move downwards, after the upper electrode 2 contacts the compressor shell 19, an induction signal triggers the starting of welding, and the upper electrode 2 and the lower electrode 3 are discharged simultaneously and welded in a forging mode.
Example 1
1-5, The automatic welding equipment for the foot plate comprises a welding machine frame 1, an upper electrode 2, a lower electrode 3 and an energy storage discharge transformer 4, wherein the welding machine frame 1 adopts a C-shaped welding structure, and can bear enough component load through stress relief treatment, reduce deformation and vibration generated during welding of the foot plate, and ensure enough rigidity and equipment precision retention; the four corners of the top and bottom ends of the welding machine frame 1 are provided with supporting feet 8, an energy storage and discharge transformer 4 is arranged in the welding machine frame 1, the front side wall of the top end of the welding machine frame 1 is provided with a pair of small-caliber welding cylinders 9, cylinder shafts of the pair of small-caliber welding cylinders 9 penetrate through an upper fixing plate 10 and are arranged with an upper electrode 2, two ends of the upper electrode 2 are provided with foot plate grabbing mechanisms 11, the upper end surface of the upper fixing plate 10 is also provided with a PLC system control box 12, a lower fixing plate 13 is arranged right below the upper fixing plate 10, four stand columns 14 are fixedly arranged at four corners of the upper fixing plate 10 and the lower fixing plate 13 through fasteners, a cylinder seat 15 is fixedly arranged between the front stand column 14 and the rear stand column 14 through the fasteners, foot plate pushing cylinders 16 are arranged on the cylinder seat 15, and a foot plate discharging structure 5 is also arranged above the cylinder seat 15; a supporting seat 17 is fixed between the lower surface of the lower fixing plate 13 and the bottom end of the welding machine frame 1, a large-caliber welding cylinder 18 is arranged in the supporting seat 17, a jacking mechanism 6 is arranged at the upper end of the large-caliber welding cylinder 18, a lower electrode 3 is arranged at the top end of the jacking mechanism 6, and a self-centering mechanism 7 is arranged at the upper end of the lower electrode 3.
As shown in fig. 2, the jacking mechanism 6 comprises a supporting plate 601, guide rods 602 and supporting columns 603, wherein the supporting columns 603 are fixedly arranged in the middle of the upper surface of the supporting plate 601, the middle of the lower surface of the supporting plate 601 is arranged with a cylinder shaft of a large-caliber welding cylinder 18, and the guide rods 602 are respectively fixed on two sides of the lower surface of the supporting plate 601; a transverse plate 21 is also fixed in the supporting seat 17, the transverse plate 21 is provided with two guide shaft sleeves 22 matched with the guide rods 602, and the central axes of the guide shaft sleeves 22 are collinear with the central axes of the corresponding guide rods 602; a fence 23 is also arranged between the lower fixing plate 13 and the welding machine frame 1, and filter glass 24 is embedded on the fence 23.
As shown in fig. 7, the foot board discharging structure 5 includes a discharging guide rail 501, a guide rail frame 502 and an electric gap discharging component 503, the discharging guide rail 501 is fixedly installed above the cylinder seat 15 through the guide rail frame 502, a strip-shaped groove 504 is formed on the front side wall of the discharging guide rail 501, and a supporting plate 505 is also fixed on the front side wall of the discharging guide rail 501; as shown in fig. 8, the electric gap discharging assembly 503 includes a rotating shaft 5031, a rotating motor 5032, a cam 5033, a return spring 5034 and a pawl 5035, the rotating shaft 5031 is rotatably mounted above the supporting plate 505 through a bearing seat, a ratchet 5036 is fixed on the outer wall of the rotating shaft 5031, four grooves 5037 matched with the pawl 5035 are uniformly formed on the peripheral outer wall of the ratchet 5036, a turntable 5038 is fixed on the top end of the rotating shaft 5031, four material blocking rods 5039 are uniformly fixed on the outer wall of the turntable 5038, a cam 5033 is fixedly mounted on the output shaft of the rotating motor 5032, the pawl 5035 is hinged to the upper end of the supporting plate 505, a bump is integrally formed on the side wall of the pawl 5035, and the return spring 5034 is fixed between the pawl 5035 and the outer wall of the discharging guide rail 501.
When the embodiment is used, the rotating motor 5032 rotates to drive the cam 5033 to rotate, when the tip end on the cam 5033 rotates to the protrusion integrally formed on the side wall of the pawl 5035, the pawl 5035 can be ejected outwards, at the moment, the claw of the pawl 5035 is separated from the inside of the groove 5037 uniformly formed on the peripheral outer wall of the ratchet 5036, so that under the action of the gravity of the foot plate of the compressor, the material blocking rod 5039 can be pressed downwards, one foot plate of the compressor can slide out from the bottom end of the material discharging guide rail 501, when the material blocking rod 5039 rotates downwards, the pawl 5035 is driven to rotate by 90 degrees, under the action of the pulling force of the reset spring 5034, the claw of the pawl 5035 can be clamped into the inside of the next groove 5037 to prevent the ratchet 5036 from continuing to rotate, at the moment, the foot plate of the latter compressor can be prevented from continuously falling down until the tip end on the cam 5033 of the next cycle rotates to the protrusion integrally formed on the side wall of the pawl 5035; in conclusion, one compressor foot plate can be led out after each rotation of the cam 5033, so that the intermittent feeding of the compressor foot plate into the welding station can be realized, automatic operation is realized, the production efficiency is improved, and the labor cost is reduced.
Example 2
On the basis of embodiment 1, as shown in fig. 5 and 6, the self-centering mechanism 7 comprises a bearing seat 701 and centering cylinders 702, the number of the centering cylinders 702 is four and are uniformly distributed along the circumference of the center of the bearing seat 701, and the four centering cylinders 702 and the bearing seat 701 are fixed by fastening screws; an ultrasonic position sensor 703 is mounted in the center of the bearing seat 701, a compressor housing 19 is placed above the bearing seat 701, and an induction block 20 is arranged in the center of the top of the compressor housing 19.
As shown in fig. 9 and 10, the PLC system control box 12 is internally provided with a spatial position module 121, a calculation module 122, a storage module 123, a judgment module 124 and a processing module 125, the spatial position module 121 marks the position of the ultrasonic position sensor 703 as an origin of coordinates, the spatial position module 121 also marks two sets of truly opposite centering cylinders 702 as an X axis and a Y axis in sequence, the X axis and the Y axis together form a coordinate system, the ultrasonic position sensor 703 positively projects the detected position of the sensing block 20 on the coordinate system and marks the position as a (X 1,y1), and the calculation module 122 performs a calculation formula on the horizontal distance between the ultrasonic position sensor 703 and the sensing block 20 as
The judging module 124 judges the horizontal distance between the ultrasonic position sensor 703 and the sensing block 20 by the calculating module 122, and the processing module 125 is configured to receive the position signal sent by the judging module 124 and transmit the output signal to the four centering cylinders 702.
In this embodiment, when the device is used, as shown in fig. 11, the spatial position module 121 may send the central position information of the compressor housing 19 to the storage module 123, the calculation module 122 may calculate the horizontal distance from the center of the bearing seat 701 to the top center of the compressor housing 19, then the judgment module 124 makes a judgment on the horizontal distance, when the horizontal distance is greater than the allowable 3mm error, the processing module 125 may control the four centering cylinders 702 to extend correspondingly, the centering cylinder 70 on the X axis pushes the compressor housing 19 by |x 1 |, the centering cylinder 70 on the Y axis pushes the compressor housing 19 by |y 1 |, the spatial position module 121 may re-mark the central position information of the compressor housing 19, denoted as B (X 2,y2), the calculation module 122 may calculate the horizontal distance from the center of the bearing seat 701 to the top center of the compressor housing 19, and the judgment module 124 may make a judgment on the horizontal distance again, when the horizontal distance is greater than the allowable 3mm error, the rest of the centering cylinders may extend automatically until the compressor housing 19 is clamped by the centering cylinders 70, thereby the compressor housing 19 is tightly clamped by the centering mechanism 7, and the compressor housing 19 may be welded together with the compressor housing 19, and the device may be tightly welded together, and the device may be well positioned.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. The utility model provides a sole automatic weld equipment, includes welding machine frame (1), upper electrode (2), lower electrode (3) and energy storage discharge transformer (4), its characterized in that: the welding machine comprises a welding machine frame (1), wherein a C-shaped welding structure is adopted by the welding machine frame (1), supporting feet (8) are arranged at four corners of the top and the bottom of the welding machine frame (1), an energy storage discharge transformer (4) is arranged in the welding machine frame (1), a pair of small-caliber welding cylinders (9) are arranged at the front side wall of the top of the welding machine frame (1), cylinder shafts of the pair of small-caliber welding cylinders (9) penetrate through an upper fixing plate (10) and are arranged on an upper electrode (2), foot plate grabbing mechanisms (11) are arranged at two ends of the upper electrode (2), a PLC system control box (12) is further arranged on the upper end face of the upper fixing plate (10), a lower fixing plate (13) is arranged under the upper fixing plate (10), four stand columns (14) are fixedly arranged at four corners of the upper fixing plate (10) and are fixedly provided with four stand columns (14), a cylinder seat (15) is fixedly arranged between the front stand columns and the rear stand columns (14) through fasteners, foot plates (15) are pushed by the foot plates, foot plates (16) are pushed by the foot plates, and a discharging structure (5) is arranged on the foot plates (5); a supporting seat (17) is fixed between the lower surface of the lower fixing plate (13) and the bottom end of the welding machine frame (1), a large-caliber welding cylinder (18) is arranged in the supporting seat (17), a jacking mechanism (6) is arranged at the upper end of the large-caliber welding cylinder (18), the top end of the jacking mechanism (6) is provided with the lower electrode (3), and a self-centering mechanism (7) is arranged at the upper end of the lower electrode (3);
the foot plate discharging structure (5) comprises a discharging guide rail (501), a guide rail frame (502) and an electric gap discharging assembly (503), wherein the discharging guide rail (501) is fixedly arranged above the cylinder seat (15) through the guide rail frame (502), a strip-shaped groove (504) is formed in the front side wall of the discharging guide rail (501), and a supporting plate (505) is further fixed on the front side wall of the discharging guide rail (501);
The electric gap discharging assembly (503) comprises a rotating shaft (5031), a rotating motor (5032), a cam (5033), a reset spring (5034) and a pawl (5035), the rotating shaft (5031) is rotatably installed above the supporting plate (505) through a bearing seat, a ratchet wheel (5036) is fixed on the outer wall of the rotating shaft (5031), four grooves (5037) matched with the pawl (5035) are uniformly formed in the peripheral outer wall of the ratchet wheel (5036), a turntable (5038) is fixed on the top end of the rotating shaft (5031), four material blocking rods (5039) are uniformly fixed on the outer wall of the turntable (5038), the cam (5033) is fixedly installed on the output shaft of the rotating motor (5032), the pawl (5035) is hinged to the upper end of the supporting plate (505), a block is integrally formed on the side wall of the pawl (5035), and the reset spring (5034) is fixed between the pawl (5035) and the outer wall of the discharging guide rail (501).
The self-centering mechanism (7) comprises bearing seats (701) and centering cylinders (702), the number of the centering cylinders (702) is four, the centering cylinders are uniformly distributed along the circumference of the center of the bearing seats (701) and are fixed between the four centering cylinders (702) and the bearing seats (701) through fastening screws.
2. A foot plate automatic welding apparatus according to claim 1, wherein: an ultrasonic position sensor (703) is arranged in the center of the bearing seat (701), a compressor shell (19) is arranged above the bearing seat (701), and an induction block (20) is arranged at the center of the top of the compressor shell (19).
3. A footboard automatic welding apparatus according to claim 2, wherein: the PLC system control box (12) is internally provided with a spatial position module (121), a calculation module (122), a storage module (123), a judging module (124) and a processing module (125), the spatial position module (121) marks the position of an ultrasonic position sensor (703) as an origin of coordinates, the spatial position module (121) also marks two groups of centering cylinders (702) which are truly opposite in sequence as an X axis and a Y axis, the X axis and the Y axis together form a coordinate system, the ultrasonic position sensor (703) positively projects the detected position of a sensing block (20) on the coordinate system and marks the position as an A (X 1,y1), and the calculation module (122) executes a calculation formula for the horizontal distance between the ultrasonic position sensor (703) and the sensing block (20) as；
The judging module (124) judges the horizontal distance between the ultrasonic position sensor (703) and the sensing block (20) by the calculating module (122), and the processing module (125) is used for receiving the position signal sent by the judging module (124) and transmitting the output signal to the four centering cylinders (702).
4. A foot plate automatic welding apparatus according to claim 1, wherein: the jacking mechanism (6) comprises a supporting plate (601), guide rods (602) and supporting columns (603), wherein the supporting columns (603) are fixedly installed in the middle of the upper surface of the supporting plate (601), the middle of the lower surface of the supporting plate (601) is installed with a cylinder shaft of a large-caliber welding cylinder (18), and the guide rods (602) are respectively fixed on two sides of the lower surface of the supporting plate (601).
5. A foot board automatic welding apparatus according to claim 4, wherein: the inside of supporting seat (17) is still fixed with diaphragm (21), diaphragm (21) install two with guide sleeve (22) of guide arm (602) matched with, the axis of guide sleeve (22) with correspond the axis collineation of guide arm (602).
6. A foot plate automatic welding apparatus according to claim 1, wherein: a fence (23) is further arranged between the lower fixing plate (13) and the welding machine frame (1), and filter glass (24) is embedded on the fence (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010213763.XA CN111250847B (en) | 2020-03-24 | 2020-03-24 | Automatic welding equipment for foot plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010213763.XA CN111250847B (en) | 2020-03-24 | 2020-03-24 | Automatic welding equipment for foot plates |
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| Publication Number | Publication Date |
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| CN111250847A CN111250847A (en) | 2020-06-09 |
| CN111250847B true CN111250847B (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010213763.XA Active CN111250847B (en) | 2020-03-24 | 2020-03-24 | Automatic welding equipment for foot plates |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090120917A (en) * | 2008-05-21 | 2009-11-25 | 주식회사 포스코 | Device for grinding electrode of welding apparatus and material spot welding method using the device |
| CN107234326A (en) * | 2017-07-25 | 2017-10-10 | 广州松兴电气股份有限公司 | A kind of automobile axle nut projection welding automates special plane |
| CN206567673U (en) * | 2017-03-20 | 2017-10-20 | 河北五鑫花园制品有限公司 | A kind of resistance welding machine |
| CN211915800U (en) * | 2020-03-24 | 2020-11-13 | 浙江加西贝拉科技服务股份有限公司 | Automatic foot plate welding equipment |
-
2020
- 2020-03-24 CN CN202010213763.XA patent/CN111250847B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090120917A (en) * | 2008-05-21 | 2009-11-25 | 주식회사 포스코 | Device for grinding electrode of welding apparatus and material spot welding method using the device |
| CN206567673U (en) * | 2017-03-20 | 2017-10-20 | 河北五鑫花园制品有限公司 | A kind of resistance welding machine |
| CN107234326A (en) * | 2017-07-25 | 2017-10-10 | 广州松兴电气股份有限公司 | A kind of automobile axle nut projection welding automates special plane |
| CN211915800U (en) * | 2020-03-24 | 2020-11-13 | 浙江加西贝拉科技服务股份有限公司 | Automatic foot plate welding equipment |
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| CN111250847A (en) | 2020-06-09 |
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