CN221087545U - Ring piece vacuum brazing clamp - Google Patents

Abstract

The utility model discloses a vacuum brazing clamp for an annular piece, which comprises a shell, wherein a fixing unit is arranged in the shell; the fixing unit comprises an air pump, a fixing shell, a movable seat, a connecting pipe, a fixing ring, a fixing seat, an air pipe, a sealing ring and a spring; the air pump is communicated with one side of the outer wall of the shell, the input end of the air pump is communicated with the fixed shell, the outer wall of the fixed shell is fixedly connected with the inner wall of the shell, and one side, far away from the air pump, of the inner wall of the fixed shell is rotationally connected with the movable seat through the sealing bearing. The utility model relates to the technical field of clamps, which is convenient for a worker to fix annular parts with different specifications and different types through the cooperation of a spring, a fixed shell and a movable seat, does not need the adjustment of the worker, and simultaneously abandons a reciprocating complex fixing mode, adopts a vacuum mode to fix the annular parts, so that the surface stress of the annular parts is uniform, and the deformation caused by overlarge stress is prevented.

Description

Ring piece vacuum brazing clamp

Technical Field

The utility model relates to the technical field of clamps, in particular to a vacuum brazing clamp for an annular part.

Background

Vacuum brazing technology has been a very promising joining technology since the forty years. Parts of copper and stainless steel, which were first found in the electronics industry, were later applied in the aerospace industry, the atomic energy industry. During vacuum brazing, a workpiece is required to be fixed by using a clamp, for example, an annular piece vacuum brazing clamp with the application number of CN202121612084.6 comprises a positioning ring, wherein the diameter of the positioning ring is smaller than that of an inner ring to be brazed, and a plurality of radial threaded through holes are uniformly formed in the positioning ring at intervals; the device also comprises a plurality of jacking blocks, wherein the jacking blocks are positioned between the positioning ring and the inner ring, the front end surfaces of the jacking blocks are arc-shaped surfaces, and the radian of the arc-shaped surfaces is consistent with that of the inner peripheral surface of the inner ring; the device also comprises a plurality of jacking bolts; according to the utility model, the plurality of uniformly distributed threaded through holes are formed in the positioning ring, each propping block can be uniformly propped by the plurality of propping bolts, so that the stress of the propping blocks is uniform, the inner peripheral surface of the inner ring is propped by the front end of the propping block and the arc surface of the inner ring, the inner ring is further subjected to uniform propping force, the inner ring and the outer ring are tightly attached, the clamping process of vacuum brazing is satisfied, and the yield of the vacuum brazing ring piece can be effectively improved.

For vacuum brazing of annular parts, brazing filler metal is generally filled between the outer peripheral surface of an inner ring and the inner peripheral surface of an outer ring, the inner ring and the outer ring are clamped by using a brazing clamp, and finally the annular parts are placed into a vacuum brazing furnace for heating and heat preservation to complete vacuum brazing.

The vacuum brazing clamp in the prior art is tedious and laborious in the fixing mode when fixing the annular piece, and simultaneously because the specification and the model of the annular piece are various, the vacuum brazing clamp needs to be adjusted before fixing the annular piece, so that the working efficiency of staff is reduced, and the annular piece is difficult to be rapidly put into brazing.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the vacuum brazing clamp for the annular piece, which solves the problems that the vacuum brazing clamp in the prior art is complicated and laborious in fixing mode when fixing the annular piece, and meanwhile, the annular piece needs to be adjusted before being fixed because the specification and the model of the annular piece are various.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme: the vacuum brazing clamp for the annular piece comprises a shell, wherein a fixing unit is arranged inside the shell; the fixing unit comprises an air pump, a fixing shell, a movable seat, a connecting pipe, a fixing ring, a fixing seat, an air pipe, a sealing ring and a spring; the air pump is communicated with one side of the outer wall of the shell, the input end of the air pump is communicated with a fixed shell, the outer wall of the fixed shell is fixedly connected with the inner wall of the shell, one side of the inner wall of the fixed shell, which is far away from the air pump, is rotationally connected with a movable seat through a sealing bearing, one side of the inner wall of the movable seat, which is far away from the fixed shell, is communicated with a connecting pipe, one side of the movable seat, which is far away from the fixed shell, is provided with a fixed ring, the inner wall of solid fixed ring is linked together with the one end of connecting pipe, gu fixed ring's inner wall is provided with a plurality of fixing bases, the inner wall fixedly connected with spring of fixing base, the one end fixedly connected with trachea of fixing base is kept away from to the spring, tracheal outer wall and the inner wall swing joint of fixing base, the sealing washer is installed with the laminating department of fixing base to tracheal outer wall.

Preferably, the outer wall fixedly connected with first gear of solid fixed ring, the top meshing of first gear is connected with the second gear, the inner wall fixedly connected with servo motor of second gear, servo motor fixedly connected with is at the inner wall top of shell.

Preferably, a monitor is arranged on one side of the fixing ring away from the connecting pipe, the monitor is electrically connected with an alarm, and the alarm is arranged at the top of the shell.

Preferably, the bottom both sides of fixing base all are provided with the arch, protruding through recess and solid fixed ring looks joint, the rubber pad is installed with solid fixed ring's inner wall laminating department to the bottom of fixing base.

Preferably, anti-skid grooves are formed in two sides of the outer wall of the fixing seat.

Advantageous effects

The utility model provides a vacuum brazing clamp for an annular part, which has the following beneficial effects: this annular piece vacuum brazing anchor clamps, through the cooperation of spring, fixed shell and movable seat, the staff of being convenient for fix the annular piece of different models of different specifications, need not the staff and adjusts, has abandoned simultaneously with the complex fixed mode of reciprocal, adopts the vacuum mode, fixes the annular piece, can make the surface atress of annular piece even, prevents that the force that receives is too big, causes the condition emergence of deformation.

Through the cooperation of monitor, alarm and first gear, can carry out real-time supervision to each trachea, prevent that the trachea from damaging to influence the fixed effect to the ring part.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of the connecting tube, retaining ring and first gear of FIG. 1;

FIG. 3 is a schematic view of the structure of the air tube, the fixing base and the spring in FIG. 2;

fig. 4 is a schematic view of the appearance of the present utility model.

In the figure: 1. the device comprises a shell, 2, a movable seat, 3, a fixed shell, 4, an air pump, 5, a fixed ring, 6, a monitor, 7, an alarm, 8, a second gear, 9, a servo motor, 10, a connecting pipe, 11, a first gear, 12, a fixed seat, 13, an air pipe, 14, a protrusion, 15, a sealing ring, 16, a spring, 17, a groove, 18, a rubber pad, 19 and an anti-skid groove.

Detailed Description

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

The vacuum brazing clamp in the prior art is tedious and laborious in the fixing mode when fixing the annular piece, and simultaneously because the specification and the model of the annular piece are various, the vacuum brazing clamp needs to be adjusted before fixing the annular piece, so that the working efficiency of staff is reduced, and the annular piece is difficult to be rapidly put into brazing.

In view of the above, the utility model provides a vacuum brazing clamp for ring parts, which is convenient for a worker to fix the ring parts with different specifications and different types through the cooperation of a spring, a fixed shell and a movable seat, does not need the adjustment of the worker, and meanwhile, abandons a reciprocating and fussy fixing mode, adopts a vacuum mode to fix the ring parts, so that the surface stress of the ring parts is uniform, and the deformation caused by overlarge stress is prevented.

The components in the present case are sequentially connected by a person skilled in the art, and specific connection and operation sequence should be referred to the following working principle, and the detailed connection means thereof are known in the art, and the following working principle and process are mainly described.

Embodiment one: as can be seen from fig. 1, 2 and 4, a ring vacuum brazing jig comprises a housing 1, wherein a fixing unit is arranged inside the housing 1; the fixing unit comprises an air pump 4, a fixing shell 3, a movable seat 2, a connecting pipe 10, a fixing ring 5, a fixing seat 12, an air pipe 13, a sealing ring 15 and a spring 16; the air pump 4 is communicated with one side of the outer wall of the shell 1, the input end of the air pump 4 is communicated with the fixed shell 3, the outer wall of the fixed shell 3 is fixedly connected with the inner wall of the shell 1, one side, far away from the air pump 4, of the inner wall of the fixed shell 3 is rotationally connected with the movable seat 2 through the sealing bearing, one side, far away from the fixed shell 3, of the inner wall of the movable seat 2 is communicated with the connecting pipe 10, through the matching of the air pump 4 and the fixed shell 3, after a worker starts a power supply of the air pump 4, the air pump 4 can pump air inside the connecting pipe 10 into the fixed shell 3 through the movable seat 2, so that negative pressure is formed inside the fixed ring 5, one side, far away from the fixed shell 3, of the movable seat 2 is provided with the fixed ring 5, the inner wall of the fixed ring 5 is communicated with one end of the connecting pipe 10, the inner wall of the fixed ring 5 is provided with a plurality of fixed seats 12, the inner wall of the fixed seats 12 is fixedly connected with springs 16, one end, far away from the fixed seats 12 is fixedly connected with the air pipes 13, the outer wall of the air pipes 13 are movably connected with the inner walls of the fixed seats 12, the outer walls of the air pipes 13 are movably connected with the fixed seats 12, sealing rings 15 are arranged at the positions of the outer walls of the fixed seats 12, 15 are made of rubber, the sealing rings 15 are made of rubber, the air leakage is sealed between the air pipes 13 and the fixed seats 12 are sealed, in order to prevent leakage;

In the specific implementation process, it is worth particularly pointing out that, through the cooperation of the air pump 4 and the fixed shell 3, after a worker starts the power supply of the air pump 4, the air pump 4 can pump the air in the connecting pipe 10 into the fixed shell 3 through the movable seat 2, so that negative pressure is formed in the fixed ring 5, the sealing ring 15 is made of rubber, and the sealing ring 15 is used for sealing between the air pipe 13 and the fixed seat 12 to prevent air leakage;

Further, the outer wall of the fixed ring 5 is fixedly connected with a first gear 11, the top of the first gear 11 is in meshed connection with a second gear 8, the inner wall of the second gear 8 is fixedly connected with a servo motor 9, the type of the servo motor 9 is not limited, the use requirement is met, through the cooperation of the servo motor 9 and the second gear 8, after a worker starts an external power supply of the servo motor 9, the output end of the servo motor 9 can drive the second gear 8 to rotate, and then the first gear 11 can be driven to rotate through the rotation of the second gear 8, and the servo motor 9 is fixedly connected to the top of the inner wall of the shell 1;

In the specific implementation process, it is worth particularly pointing out that, through the cooperation of the servo motor 9 and the second gear 8, when a worker starts an external power supply of the servo motor 9, the output end of the servo motor 9 can drive the second gear 8 to rotate, and then the first gear 11 can be driven to rotate through the rotation of the second gear 8;

Specifically, when the ring piece vacuum brazing clamp is used, firstly, a worker puts the clamp into a vacuum chamber, then, the worker starts an external power supply of the air pump 4, at this time, the air pump 4 pumps air in the connecting pipe 10 into the fixing shell 3 through the movable seat 2, meanwhile, negative pressure is formed in the fixing ring 5 and the air pipe 13, then, the worker inserts the ring piece into the fixing ring 5 to be attached to the air pipe 13, at this time, the spring 16 is compressed under the action of force, the ring piece is fixed in the fixing ring 5 due to the action of the negative pressure in the air pipe 13, then, the worker starts a servo motor 9 to be externally connected with a power supply, at this time, the servo motor 9 can drive the second gear 8 to rotate, then, the first gear 11 can be driven by the rotation of the second gear 8 to drive the fixing ring 5 to rotate, and then, the ring piece can be driven to rotate by the rotation of the fixing ring 5, and meanwhile, the ring piece is subjected to vacuum brazing.

Embodiment two: as can be seen from fig. 1 and 3, a monitor 6 is disposed on one side of the fixing ring 5 far away from the connecting pipe 10, the monitor 6 is electrically connected with an alarm 7, the monitor 6 can monitor the tightness of the fitting between the air pipe 13 and the annular member in the rotating process of the fixing ring 5 through the cooperation of the monitor 6 and the alarm 7, and once the fitting between the air pipe 13 and the annular member is not tight enough, the air leakage condition of the air pipe 13 can be illustrated, and the alarm 7 is mounted on the top of the housing 1;

In the specific implementation process, it is worth particularly pointing out that through the cooperation of the monitor 6 and the alarm 7, in the process of rotating the fixed ring 5, the monitor 6 can monitor the bonding tightness between the air pipe 13 and the annular piece, and once the bonding between the two is not tight enough, the air leakage condition of the air pipe 13 can be illustrated;

Further, protrusions 14 are arranged on two sides of the bottom of the fixing seat 12, the protrusions 14 are clamped with the fixing ring 5 through grooves 17, elastic deformation and separation of the grooves 17 can be achieved after the protrusions 14 are acted by force through cooperation of the protrusions 14 and the grooves 17, and further limit between the fixing seat 12 and the fixing ring 5 is lost, and rubber pads 18 are arranged at joint positions of the bottom of the fixing seat 12 and the inner wall of the fixing ring 5;

In the specific implementation process, it is worth particularly pointing out that, through the cooperation of the protrusion 14 and the groove 17, when the protrusion 14 receives the force, the protrusion can be elastically deformed and separated from the groove 17, so that the limit between the fixing seat 12 and the fixing ring 5 is lost;

Further, anti-skid grooves 19 are formed in two sides of the outer wall of the fixed seat 12, friction force of the fixed seat 12 can be increased due to the action of the anti-skid grooves 19, and workers can conveniently take out the fixed seat 12;

In the specific implementation process, it is worth particularly pointing out that the anti-slip groove 19 can increase the friction force of the fixing seat 12, so that the fixing seat 12 can be taken out by a worker conveniently;

Specifically, on the basis of the above embodiment, along with the rotation of the fixing ring 5, the monitor 6 can monitor the tightness between the air pipe 13 and the annular member in real time, when the tightness is insufficient, the alarm 7 reminds the worker of replacing the air pipe 13, the worker holds the fixing seat 12 and then forcefully moves, the bulge 14 is subjected to the action of force to elastically deform and separate from the groove 17, the fixing seat 12 and the fixing ring 5 lose the limit, and the worker completes the disassembly of the air pipe 13.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a ring vacuum brazing anchor clamps, includes shell (1), its characterized in that: a fixing unit is arranged inside the shell (1);

The fixing unit comprises an air pump (4), a fixing shell (3), a movable seat (2), a connecting pipe (10), a fixing ring (5), a fixing seat (12), an air pipe (13), a sealing ring (15) and a spring (16);

The utility model discloses a compressor, including shell (1), sucking pump (4), fixed ring (5) are linked together with the one end of connecting pipe (10), the inner wall of fixed ring (5) is provided with a plurality of fixing base (12), the inner wall fixedly connected with spring (16) of fixing base (12), one side that sucking pump (4) was kept away from to the inner wall of fixed ring (3) is rotated through sealed bearing and is connected with movable seat (2), one side intercommunication that fixed shell (3) was kept away from to the inner wall of movable seat (2) has connecting pipe (10), one side that fixed shell (3) was kept away from to movable seat (2) is provided with solid fixed ring (5), the inner wall of solid fixed ring (5) is provided with a plurality of fixing bases (12), the one end fixedly connected with trachea (13) of fixing base (12) are kept away from to spring (16), the outer wall and fixing base (12) inner wall swing joint of trachea (13), sealing washer (15) are installed with laminating department of fixing base (12) to the outer wall of trachea (13).

2. A ring vacuum brazing jig as claimed in claim 1, wherein: the outer wall fixedly connected with first gear (11) of solid fixed ring (5), the top meshing of first gear (11) is connected with second gear (8), the inner wall fixedly connected with servo motor (9) of second gear (8), servo motor (9) fixedly connected with is at the inner wall top of shell (1).

3. A ring vacuum brazing jig as claimed in claim 1, wherein: one side of the fixed ring (5) far away from the connecting pipe (10) is provided with a monitor (6), the monitor (6) is electrically connected with an alarm (7), and the alarm (7) is installed at the top of the shell (1).

4. A ring vacuum brazing jig as claimed in claim 1, wherein: the bottom both sides of fixing base (12) all are provided with protruding (14), protruding (14) are through recess (17) looks joint with solid fixed ring (5), rubber pad (18) are installed in the bottom of fixing base (12) and the inner wall laminating department of solid fixed ring (5).

5. A ring vacuum brazing jig as claimed in claim 1, wherein: anti-skid grooves (19) are formed in two sides of the outer wall of the fixed seat (12).