CN215509383U

CN215509383U - Welding equipment for improving brazing performance of hard alloy through surface treatment

Info

Publication number: CN215509383U
Application number: CN202121013528.4U
Authority: CN
Inventors: 王�琦; 龙伟民; 鲍丽; 郝庆乐; 纠永涛
Original assignee: Zhengzhou Research Institute of Mechanical Engineering Co Ltd
Current assignee: Zhengzhou Research Institute of Mechanical Engineering Co Ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-01-14
Anticipated expiration: 2031-05-11

Abstract

The utility model provides a welding device for improving the brazing performance of hard alloy by surface treatment. The welding equipment for improving the brazing performance of the hard alloy by surface treatment comprises: the welding mechanism, the rotating mechanism, the fixing mechanism and the cooling mechanism are arranged on the workbench; welding mechanism includes rectangular block, bar piece, first recess, threaded rod, first motor, slider, pneumatic cylinder, mounting panel, welder and send the silk pipe, rectangular block fixed mounting is at the top of workstation, bar piece fixed mounting is on one side outer wall of rectangular block, first recess is seted up in the bottom of bar piece, the threaded rod rotates to be installed in first recess. The welding equipment for improving the brazing performance of the hard alloy through surface treatment, provided by the utility model, has the advantages that a workpiece can be welded, the position of a welding gun is adjusted according to the size of the workpiece, the workpiece is rotated, and the workpiece is cooled after the welding is finished.

Description

Welding equipment for improving brazing performance of hard alloy through surface treatment

Technical Field

The utility model belongs to the technical field of welding, and particularly relates to welding equipment for improving the brazing performance of hard alloy through surface treatment.

Background

Brazing, which is a welding method that after brazing filler metal lower than the melting point of a weldment and the weldment are heated to the melting temperature of the brazing filler metal at the same time, the liquid brazing filler metal is used for filling the gaps of solid workpieces to connect the metals. During brazing, an oxide film and oil stains on a contact surface of a base material are removed firstly, so that a capillary tube can play a role after the brazing filler metal is melted, and the wettability and the capillary fluidity of the brazing filler metal are improved. The utility model discloses a method for improving the brazing performance of hard alloy by using surface treatment according to different melting points of brazing filler metal, and relates to a method for improving the brazing performance, aiming at solving the problems that the existing hard alloy has poor wettability on the surface of the brazing filler metal due to a large amount of free carbon on the surface, and further causes the brazed joint of the brazing filler metal and steel to have low strength, and the method comprises the following steps: the method is characterized by comprising the following steps of firstly pretreating a material, then etching and carrying out heat treatment in a plasma enhanced chemical vapor deposition vacuum device to remove free carbon on the surface of the hard alloy, finally placing brazing filler metal between surfaces to be welded of the material, and placing the brazing filler metal in a vacuum brazing furnace for brazing, and is used for improving the brazing performance of the hard alloy by utilizing surface treatment.

However, the above-described structure has disadvantages in that it is necessary to perform multi-directional welding by rotating the workpiece during brazing, and it is necessary to perform the next welding by cooling the workpiece after the completion of the welding.

Therefore, it is necessary to provide a new welding apparatus for surface treatment to improve the brazing performance of cemented carbide to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide welding equipment for improving the brazing performance of hard alloy through surface treatment, which can weld a workpiece, adjust the position of a welding gun according to the size of the workpiece, rotate the workpiece and cool the workpiece after welding.

In order to solve the technical problem, the welding equipment for improving the brazing performance of the hard alloy by surface treatment provided by the utility model comprises: the welding mechanism, the rotating mechanism, the fixing mechanism and the cooling mechanism are arranged on the workbench;

the welding mechanism comprises a rectangular block, a strip-shaped block, a first groove, a threaded rod, a first motor, a sliding block, a hydraulic cylinder, a mounting plate, a welding gun and a wire feeding pipe, the rectangular block is fixedly arranged at the top of the workbench, the bar-shaped block is fixedly arranged on the outer wall of one side of the rectangular block, the first groove is arranged at the bottom of the bar-shaped block, the threaded rod is rotatably arranged in the first groove, one end of the threaded rod extends out of the bar-shaped block, the first motor is arranged at one side of the bar-shaped block, the output shaft of the first motor is fixedly connected with one end of a threaded rod, the sliding block is sleeved on the threaded rod in a threaded manner, the bottom of the sliding block extends out of the first groove, the hydraulic cylinder is fixedly arranged at the bottom of the sliding block, the mounting plate is fixedly mounted on an output shaft of the hydraulic cylinder, the welding gun is fixedly mounted at the bottom of the mounting plate, and the wire feeding pipe is fixedly mounted at the bottom of the mounting plate;

slewing mechanism includes pivot, circular processing platform, ring gear, second motor and circular gear, the pivot is rotated and is installed on the workstation, the top of pivot extends to the top of workstation, circular processing platform fixed mounting is on the top of pivot, the fixed cover of ring gear is established at circular processing bench, second motor fixed mounting is at the top of workstation, circular gear fixed mounting is on the output shaft of second motor, circular gear and ring gear mesh mutually.

As a further scheme of the utility model, the fixing mechanism comprises two fixing blocks, two pull rods, two arc-shaped clamping plates, two springs and a workpiece, the two fixing blocks are fixedly arranged at the top of the circular processing table, the two pull rods are respectively and slidably arranged on the two fixing blocks, the two arc-shaped clamping plates are respectively and fixedly arranged at one ends, close to each other, of the two pull rods, the two springs are respectively and slidably sleeved on the two pull rods, one ends, far away from each other, of the two pull rods are respectively and fixedly connected with the outer wall of one side of the two fixing blocks, one ends, close to each other, of the two pull rods are respectively and fixedly connected with the outer wall of one side of the two arc-shaped clamping plates, the workpiece is arranged above the circular processing table, and the workpiece is positioned between the two arc-shaped clamping plates.

As a further scheme of the utility model, the cooling mechanism comprises a water tank, a water pump and a water outlet pipe, the water tank is fixedly arranged at the top of the workbench, the water pump is fixedly arranged on the inner wall of the bottom of the water tank, the water outlet pipe is fixedly arranged at the water outlet end of the water pump, and one end of the water outlet pipe, which is far away from the water pump, extends out of the water tank.

As a further scheme of the utility model, the cooling mechanism further comprises a support rod, the water outlet pipe penetrates through the support rod, a spray head is fixedly installed at one end of the water outlet pipe, which is far away from the water pump, and the spray head is positioned above the workpiece in an inclined mode.

As a further scheme of the utility model, a limiting slide rod is fixedly arranged in the first groove, and the limiting slide rod penetrates through the slide block and is connected with the slide block in a sliding manner.

As a further scheme of the utility model, a motor base is fixedly arranged on the first motor, one side of the motor base is fixedly connected with the outer wall of one side of the strip-shaped block, and a water inlet is fixedly arranged at the top of the water tank.

Compared with the related art, the welding equipment for improving the brazing performance of the hard alloy through surface treatment provided by the utility model has the following beneficial effects:

1. by arranging the welding mechanism, the position of the welding gun can be adjusted according to the size of the workpiece, and the welding mechanism has the advantage of being convenient for welding the workpiece;

2. the rotary mechanism is arranged, so that the workpiece can be rotated, and the workpiece can be conveniently welded in multiple directions;

3. according to the utility model, by arranging the fixing mechanism, the problem of poor welding quality caused by displacement of the workpiece during welding of the workpiece is avoided;

4. by arranging the cooling mechanism, the utility model can cool the welded workpiece, thereby facilitating the next welding.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic sectional front view of a welding apparatus for surface treatment to improve brazing performance of cemented carbide according to the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is an assembly view of the circular processing table, the gear ring, the circular gear, the fixing block, the pull rod, the arc-shaped clamping plate and the spring according to the utility model.

In the figure: 1. a work table; 2. a rectangular block; 3. a bar-shaped block; 4. a threaded rod; 5. a first motor; 6. a slider; 7. a hydraulic cylinder; 8. mounting a plate; 9. a welding gun; 10. a wire feeding pipe; 11. a rotating shaft; 12. a circular processing table; 13. a ring gear; 14. a second motor; 15. a circular gear; 16. a fixed block; 17. a pull rod; 18. an arc-shaped splint; 19. a spring; 20. processing a workpiece; 21. a water tank; 22. a water pump; 23. and (5) discharging a water pipe.

Detailed Description

Referring to fig. 1, fig. 2 and fig. 3 in combination, fig. 1 is a schematic front sectional view illustrating a welding apparatus for surface treatment to improve brazing performance of cemented carbide according to the present invention; FIG. 2 is an enlarged schematic view of portion A of FIG. 1; fig. 3 is an assembly view of the circular processing table, the gear ring, the circular gear, the fixing block, the pull rod, the arc-shaped clamping plate and the spring according to the utility model. A welding apparatus for surface treatment to improve brazing performance of cemented carbide comprising: the method comprises the following steps: the welding device comprises a workbench 1, wherein a welding mechanism, a rotating mechanism, a fixing mechanism and a cooling mechanism are arranged on the workbench 1;

the welding mechanism comprises a rectangular block 2, a strip-shaped block 3, a first groove, a threaded rod 4, a first motor 5, a sliding block 6, a hydraulic cylinder 7, a mounting plate 8, a welding gun 9 and a wire feeding pipe 10, wherein the rectangular block 2 is fixedly mounted at the top of a workbench 1, the strip-shaped block 3 is fixedly mounted on the outer wall of one side of the rectangular block 2, the first groove is formed in the bottom of the strip-shaped block 3, the threaded rod 4 is rotatably mounted in the first groove, one end of the threaded rod 4 extends out of the strip-shaped block 3, the first motor 5 is arranged on one side of the strip-shaped block 3, an output shaft of the first motor 5 is fixedly connected with one end of the threaded rod 4, the sliding block 6 is sleeved on the threaded rod 4, the bottom of the sliding block 6 extends out of the first groove, the hydraulic cylinder 7 is fixedly mounted at the bottom of the sliding block 6, the mounting plate 8 is fixedly mounted on the output shaft of the hydraulic cylinder 7, the welding gun 9 is fixedly arranged at the bottom of the mounting plate 8, and the wire feeding pipe 10 is fixedly arranged at the bottom of the mounting plate 8;

slewing mechanism includes pivot 11, circular processing platform 12, ring gear 13, second motor 14 and circular gear 15, pivot 11 rotates and installs on workstation 1, the top of pivot 11 extends to the top of workstation 1, circular processing platform 12 fixed mounting is on the top of pivot 11, ring gear 13 fixed mounting is established on circular processing platform 12, second motor 14 fixed mounting is at the top of workstation 1, circular gear 15 fixed mounting is on the output shaft of second motor 14, circular gear 15 meshes with ring gear 13 mutually.

As shown in fig. 1, the fixing mechanism includes two fixing blocks 16, two pull rods 17, two arc-shaped clamping plates 18, two springs 19 and a workpiece 20, the two fixing blocks 16 are both fixedly mounted at the top of the circular processing table 12, the two pull rods 17 are respectively slidably mounted on the two fixing blocks 16, the two arc-shaped clamping plates 18 are respectively fixedly mounted at the ends of the two pull rods 17 close to each other, the two springs 19 are respectively slidably sleeved on the two pull rods 17, the ends of the two pull rods 17 far away from each other are respectively fixedly connected with the outer walls of one sides of the two fixing blocks 16, the ends of the two pull rods 17 close to each other are respectively fixedly connected with the outer walls of one sides of the two arc-shaped clamping plates 18, the workpiece 20 is disposed above the circular processing table 12, and the workpiece 20 is located between the two arc-shaped clamping plates 18;

by arranging the fixing mechanism, the problem of poor welding quality caused by displacement of the workpiece 20 during welding is avoided,

as shown in fig. 1, the cooling mechanism includes a water tank 21, a water pump 22 and a water outlet pipe 23, the water tank 21 is fixedly installed at the top of the workbench 1, the water pump 22 is fixedly installed on the inner wall of the bottom of the water tank 21, the water outlet pipe 23 is fixedly installed at the water outlet end of the water pump 22, and one end of the water outlet pipe 23, which is far away from the water pump 22, extends out of the water tank 21;

through setting up cooling body for can cool down the machined part after the welding, be convenient for next welding.

As shown in fig. 2, the cooling mechanism further includes a support rod, the water outlet pipe 23 penetrates through the support rod, a spray head is fixedly installed at one end of the water outlet pipe 23 far away from the water pump 22, and the spray head is located obliquely above the workpiece 20;

through setting up the bracing piece, can support outlet pipe 23, prevent that it from not supporting the fracture that appears.

As shown in fig. 1, a limiting slide rod is fixedly installed in the first groove, and the limiting slide rod penetrates through the slide block 6 and is connected with the slide block 6 in a sliding manner;

the sliding block 6 can move stably under the mutual matching of the limiting sliding rod and the sliding block 6;

as shown in fig. 3, a motor base is fixedly mounted on the first motor 5, one side of the motor base is fixedly connected with the outer wall of one side of the bar-shaped block 3, and a water inlet is fixedly mounted at the top of the water tank 21;

through setting up the water inlet, can make things convenient for the staff to add water to water tank 21 at any time, prevent because of in the water tank 21 really, lead to cooling body inoperative.

The working principle of the welding equipment for improving the brazing performance of the hard alloy by surface treatment provided by the utility model is as follows:

the first step is as follows: when the workpiece 20 needs to be welded, the workpiece 20 needs to be fixed firstly, the pull rod 17 is pulled outwards, the pull rod 17 drives the arc-shaped clamping plates 18 to move outwards, the spring 19 is in a compressed state at the moment, the workpiece 20 is placed on the circular processing table 12, the pull rod 17 is loosened, the two arc-shaped clamping plates 18 fix the workpiece 20 under the action of the elastic force of the spring 19, and then the fixing work can be finished;

the second step is as follows: when a workpiece 20 needs to be welded, the position of a welding gun 9 needs to be adjusted according to the size of the workpiece 20, a first motor 5 is started, the first motor 5 drives a threaded rod 4 to rotate, the threaded rod 4 drives a sliding block 6 to move, the sliding block 6 drives the welding gun 9 and a wire feeding pipe 10 to move to a proper position through a hydraulic cylinder 7 and a mounting plate 8, a hydraulic cylinder 7 is started, the hydraulic cylinder 7 drives the mounting plate 8 to move downwards, the mounting plate 8 drives the welding gun 9 and the wire feeding pipe 10 to move downwards, and the workpiece 20 can be welded at the moment;

the third step: in order to weld the workpiece 20 in multiple directions, the second motor 14 is started, the second motor 14 drives the circular gear 15 to rotate, the circular gear 15 drives the gear ring 13 to rotate, the gear ring 13 drives the circular processing table 12 to rotate, the circular processing table 12 drives the workpiece 20 to rotate, and the workpiece 20 can be rotated at the moment, so that the welding work on the workpiece 20 is completed;

the fourth step: after welding, in order to rapidly cool the workpiece 20 and facilitate next welding, the water pump 22 is started, the water pump 22 pumps out water in the water tank 21, the water is sprayed out from the water outlet pipe 23 and the spray head, the machined workpiece 20 is cooled, and at this time, the machined workpiece 20 can be taken down for next welding.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the settings of the power mechanism, the power supply system, the control system, and the like of the device are not completely described and clear, and on the premise that the skilled person understands the principle of the utility model, the details of the power mechanism, the power supply system, and the control system can be clearly known, the control mode of the application document is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the skilled person in the art;

the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts known by the skilled person can be known by technical manuals or conventional experimental methods.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments, or a direct or indirect use of these embodiments, without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents, which are to be included in the scope of the utility model as defined in the claims.

Claims

1. A welding apparatus for surface treatment to improve brazing performance of cemented carbide, comprising:

the welding mechanism, the rotating mechanism, the fixing mechanism and the cooling mechanism are arranged on the workbench;

2. The welding apparatus for surface treatment to improve brazing performance of cemented carbide according to claim 1, wherein: the fixed establishment includes two fixed blocks, two pull rods, two arc splint, two springs and machined parts, two the equal fixed mounting of fixed block is at the top of circular processing platform, two the pull rod is slidable mounting respectively on two fixed blocks, two arc splint respectively fixed mounting be close to each other in two pull rods one end, two the spring is slided the cover respectively and is established on two pull rods, two the one end that the pull rod was kept away from each other respectively with one side outer wall fixed connection of two fixed blocks, two the one end that the pull rod is close to each other respectively with one side outer wall fixed connection of two arc splint, the machined part sets up the top at circular processing platform, the machined part is located between two arc splint.

3. The welding apparatus for surface treatment to improve brazing performance of cemented carbide according to claim 1, wherein: cooling body includes water tank, water pump and outlet pipe, water tank fixed mounting is at the top of workstation, water pump fixed mounting is on the bottom inner wall of water tank, outlet pipe fixed mounting is at the play water end of water pump, the one end that the water pump was kept away from to the outlet pipe extends to outside the water tank.

4. The welding apparatus for surface treatment to improve brazing performance of cemented carbide according to claim 3, wherein: the cooling mechanism further comprises a supporting rod, the water outlet pipe penetrates through the supporting rod, a spray head is fixedly mounted at one end, far away from the water pump, of the water outlet pipe, and the spray head is located above the workpiece in an inclined mode.

5. The welding apparatus for surface treatment to improve brazing performance of cemented carbide according to claim 1, wherein: a limiting sliding rod is fixedly mounted in the first groove, penetrates through the sliding block and is connected with the sliding block in a sliding mode.

6. The welding apparatus for surface treatment to improve brazing performance of cemented carbide according to claim 3, wherein: a motor base is fixedly mounted on the first motor, one side of the motor base is fixedly connected with the outer wall of one side of the strip-shaped block, and a water inlet is fixedly mounted at the top of the water tank.