CN214290475U

CN214290475U - Pneumatic butterfly opening forming clamp

Info

Publication number: CN214290475U
Application number: CN202023172993.0U
Authority: CN
Inventors: 翁良津; 林伟杰; 朱建平
Original assignee: Guangdong Aosen Heat Exchange System Co ltd
Current assignee: Guangdong Aosen Heat Exchange System Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-09-28
Anticipated expiration: 2030-12-24

Abstract

The utility model belongs to the technical field of copper pipe orifice forming, and relates to a pneumatic butterfly orifice forming clamp which is characterized by comprising a driving main body, a forming clamp, a forming core rod and a rotating shaft; the front end of the driving main body is detachably connected with a forming clamp, the side edge of the driving main body is hinged with a switch handle, and the rear end of the driving main body is embedded with a connecting port for connecting an air pipe; the forming clamp comprises a left clamp head and a right clamp head, the left clamp head and the right clamp head are identical in structure, and the left clamp head and the right clamp head are rotationally connected through a rotating shaft; the forming core rod comprises a forming part, a connecting rod and a ring, the connecting rod is positioned between the forming part and the ring, the ring is positioned at the open slot, and the ring is rotatably connected with the rotating shaft; the driving part is provided with a limiting column, and a spring is clamped between the left chuck and the right chuck through the limiting column. This practicality need change the throat to the condenser pipe connector with capillary connector flaring when being connected with the condenser pipe, and this replacement makes the processing degree of difficulty reduce, improves the yield moreover.

Description

Pneumatic butterfly opening forming clamp

Technical Field

The utility model belongs to the technical field of the shaping of copper pipe mouth of pipe, concretely relates to pneumatic butterfly mouth shaping is pressed from both sides.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied.

The inside of the heat exchanger mainly comprises various copper pipes and cooling fins, each copper pipe comprises a condensation pipe and a capillary pipe, the condensation pipes are communicated with the capillary pipes, when the condensation pipes are connected with the capillary pipes, due to the fact that the diameters of the condensation pipes are different from those of the capillary pipes, the connection parts of the capillary pipes are flared when the condensation pipes are connected, then the capillary pipes are clamped with a collecting pipe and then welded, when the capillary pipes are flared, due to the fact that the diameters of the capillary pipes are small, the machining difficulty is high, in the process of flaring, the phenomenon that a machined connecting port is unqualified due to improper operation can often occur, the requirement on operators is high, and the qualified product rate is low. We have therefore devised a pneumatic butterfly port forming clamp to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a pneumatic butterfly mouth shaping is pressed from both sides, and it can solve the in-process that capillary and condenser pipe link to each other, needs to the flaring of capillary connector, and the flaring of connector is to the problem that workman's requirement is high and the qualification rate is low. The utility model adopts the following scheme.

The utility model provides a pneumatic butterfly port shaping presss from both sides which characterized in that: comprises a driving main body, a forming clamp, a forming core rod and a rotating shaft;

the front end of the driving main body is detachably connected with a forming clamp, the side edge of the driving main body is hinged with a switch handle, and the rear end of the driving main body is embedded with a connecting port for connecting an air pipe;

the forming clamp comprises a left clamp head and a right clamp head, the left clamp head and the right clamp head are identical in structure, and the left clamp head and the right clamp head are rotationally connected through a rotating shaft;

the left chuck comprises a chuck part, a connecting part and a driving part, the chuck part is connected with the driving part through the connecting part, a forming groove is formed in the chuck part, an open groove is formed in the connecting part, the open groove penetrates through the end face, connected with the chuck part, of the connecting part, a first through hole is further formed in the connecting part, and the first through hole is rotatably connected with the rotating shaft;

the forming core rod comprises a forming part, a connecting rod and a ring, the connecting rod is positioned between the forming part and the ring, the ring is positioned at the open slot, and the ring is rotatably connected with the rotating shaft;

the driving part is provided with a limiting column, and a spring is clamped between the left chuck and the right chuck through the limiting column.

Preferably, the connecting rod is a cylinder, and the radius of the connecting rod is smaller than the depth of the open slot.

Preferably, the cross section of the forming groove is semicircular, and round holes are formed in the forming grooves on the left chuck and the right chuck in the clamping process.

Preferably, the first through hole is located at the open groove, and the first through hole is perpendicular to the end surface of the connecting portion.

Preferably, the rotating shaft is provided with a second through hole for driving the main body to be detached and connected with the forming clamp.

One end of the forming part far away from the connecting rod is conical.

Compared with the prior art, the beneficial effects of the utility model are that:

one, the utility model discloses a pneumatic butterfly mouth shaping is pressed from both sides, need change the throat to the condenser pipe connector with capillary connector flaring when being connected with the condenser pipe, this replacement makes the processing degree of difficulty reduce, improves the yield moreover, has improved work efficiency simultaneously.

Two, the utility model discloses a pneumatic butterfly port shaping presss from both sides can diminish the pipe diameter of condenser pipe connector through the shaping clamp with the shaping plug, and the shaping presss from both sides the external diameter of guaranteeing the connector, and the internal diameter of connector is guaranteed to the shaping plug, can revolute the centre of a circle that axle pivoted shaping plug can guarantee the connector of processing moreover, can not press from both sides askewly.

Three, the utility model discloses a pneumatic butterfly mouth shaping clamp can dismantle the design that the connection shaping pressed from both sides in the drive main part, can press from both sides according to the wall thickness replacement shaping of the size of the pipe diameter of capillary and condenser pipe, and application range is wide.

Fourth, the utility model discloses a pneumatic butterfly mouth shaping is pressed from both sides, and the one end that the connecting rod was kept away from to shaping portion is coniform design, can make things convenient for the shaping plug to stretch into the condenser pipe.

Fifth, the utility model discloses a pneumatic butterfly mouth shaping is pressed from both sides, this shaping presss from both sides and adopts pneumatic drive, simple structure, light, installation maintenance are simple, and the medium is the air, is difficult for burning than hydraulic medium, so safe in utilization, exhaust-gas treatment is simple, non-staining environment, and is with low costs.

Sixth, the utility model discloses a pneumatic butterfly mouth shaping is pressed from both sides, the spring of joint between left chuck and the right chuck for the work of next time is made things convenient for in the restoration of left chuck and right chuck.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic perspective view of the forming clip and the forming core rod of the present invention;

FIG. 3 is a schematic perspective view of the left chuck of the present invention;

FIG. 4 is a schematic view of the connection of the left chuck and the forming mandrel according to the present invention;

fig. 5 is a schematic perspective view of the molding core rod of the present invention;

in the figure: 1. the driving device comprises a driving main body, 2, a forming clamp, 21, a left clamp, 211, a clamp part, 2111, a forming groove, 212, a connecting part, 2121, an open groove, 2122, a first through hole, 213, a driving part, 22, a right clamp, 3, a forming core rod, 31, a forming part, 32, a connecting rod, 33, a circular ring, 4, a rotating shaft, 41, a second through hole, 5, a spring, 6, a limiting column, 7, a switch handle, 8 and a connecting port.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. In the drawings of the embodiments of the present application, hatching of various types in the drawings is not labeled according to national standards, does not require the material of elements, and distinguishes the sectional views of the elements in the drawings.

Referring to fig. 1-5, a pneumatic butterfly port forming clamp for forming a connection port of a condenser tube when the condenser tube is connected to a capillary tube is shown. Concretely, a pneumatic butterfly-mouth forming clamp comprises a driving main body 1, a forming clamp 2, a forming core rod 3 and a rotating shaft 4.

The front end of the driving main body 1 is detachably connected with a forming clamp 2, the side edge of the driving main body 1 is hinged with a switch handle 7, and the rear end of the driving main body 1 is embedded with a connecting port 8 for connecting an air pipe.

The forming clamp 2 comprises a left clamp head 21 and a right clamp head 22, the left clamp head 21 and the right clamp head 22 are identical in structure, the left clamp head 21 is rotatably connected with the right clamp head 22 through a rotating shaft 4, a second through hole 41 is formed in the rotating shaft 4 and used for driving the main body 1 to be detachably connected with the forming clamp 2, the forming clamp 2 can be replaced according to the diameter of a capillary tube and the wall thickness of a condenser tube when the forming clamp is used, and the using range is wide.

The left chuck 21 comprises a chuck portion 211, a connecting portion 212 and a driving portion 213, the chuck portion 211 is connected to the driving portion 213 through the connecting portion 212, a forming groove 2111 is formed in the chuck portion 211, the cross section of the forming groove 2111 is semicircular, a round hole is formed between the left chuck 21 and the forming groove 2111 of the right chuck 22 in the clamping process, an open groove 2121 is formed in the connecting portion 212, the open groove 2121 penetrates through the end face of the connecting portion 212 connected to the chuck portion 211, a first through hole 2122 is further formed in the connecting portion 212, the first through hole 2122 is rotatably connected to the rotating shaft 4, the first through hole 2122 is located at the open groove 2121, and the first through hole 2122 is perpendicular to the end face of the connecting portion 212.

The forming mandrel 3 comprises a forming part 31, a connecting rod 32 and a circular ring 33, the connecting rod 32 is located between the forming part 31 and the circular ring 33, one end, away from the connecting rod 32, of the forming part 31 is conical, so that the forming mandrel 3 can conveniently stretch into the condenser pipe, the connecting rod 32 is cylindrical, the radius of the connecting rod 32 is smaller than the depth of the opening groove 2121, the circular ring 33 is located at the opening groove 2121, and the circular ring 33 is rotatably connected with the rotating shaft 4.

Be provided with spacing post 6 on the drive division 213, there is spring 5 through spacing post 6 joint between left chuck 21 and the right chuck 22, and left chuck 21 and right chuck 22 will reset under spring 5's effect after one shot forming like this, make things convenient for next work.

During the use, replace forming clamp 2 and shaping plug 3 according to the size of the pipe diameter of capillary and the wall thickness of condenser pipe to communicate the device with the air supply, then insert shaping plug 3 into the condenser pipe connector that needs processing, then press switch lever 7, forming clamp 2 will be pressed from both sides under the effect of drive main part 1 and be held together, then loosen switch lever 7 can, forming clamp 2 will reset under the effect of spring 5.

The above; but are merely preferred embodiments of the present application; the scope of protection of the present application is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the application are equally replaced or changed; are intended to be covered by the scope of the present application.

Claims

1. The utility model provides a pneumatic butterfly port shaping presss from both sides which characterized in that: comprises a driving main body (1), a forming clamp (2), a forming core rod (3) and a rotating shaft (4);

the front end of the driving main body (1) is detachably connected with a forming clamp (2), the side edge of the driving main body (1) is hinged with a switch handle (7), and the rear end of the driving main body (1) is embedded with a connecting port (8) for connecting an air pipe;

the forming clamp (2) comprises a left clamp head (21) and a right clamp head (22), the left clamp head (21) and the right clamp head (22) are identical in structure, and the left clamp head (21) is rotationally connected with the right clamp head (22) through a rotating shaft (4);

the left chuck (21) comprises a chuck part (211), a connecting part (212) and a driving part (213), the chuck part (211) is connected with the driving part (213) through the connecting part (212), a forming groove (2111) is formed in the chuck part (211), an open groove (2121) is formed in the connecting part (212), the open groove (2121) penetrates through the end face, connected with the chuck part (211), of the connecting part (212), a first through hole (2122) is further formed in the connecting part (212), and the first through hole (2122) is rotatably connected with the rotating shaft (4);

the forming mandrel (3) comprises a forming part (31), a connecting rod (32) and a circular ring (33), the connecting rod (32) is positioned between the forming part (31) and the circular ring (33), the circular ring (33) is positioned at the opening groove (2121), and the circular ring (33) is rotatably connected with the rotating shaft (4);

the driving part (213) is provided with a limiting column (6), and a spring (5) is clamped between the left chuck (21) and the right chuck (22) through the limiting column (6).

2. The pneumatic butterfly port forming clamp of claim 1, further comprising: the connecting rod (32) is a cylinder, and the radius of the connecting rod (32) is smaller than the depth of the opening groove (2121).

3. The pneumatic butterfly port forming clamp of claim 1, further comprising: the cross section of the forming groove (2111) is semicircular, and round holes are formed in the forming grooves (2111) on the left chuck (21) and the right chuck (22) in the clamping process.

4. The pneumatic butterfly port forming clamp of claim 1, further comprising: the first through hole (2122) is located at the open groove (2121), and the first through hole (2122) is perpendicular to the end face of the connecting portion (212).

5. The pneumatic butterfly port forming clamp of claim 1, further comprising: the rotating shaft (4) is provided with a second through hole (41) for driving the main body (1) to be detached and connected with the forming clamp (2).

6. The pneumatic butterfly port forming clamp of claim 1, further comprising: one end of the forming part (31) far away from the connecting rod (32) is conical.