CN215967304U

CN215967304U - Head of buckling and pressing machine

Info

Publication number: CN215967304U
Application number: CN202122634128.1U
Authority: CN
Inventors: 韩法升
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-03-08
Anticipated expiration: 2031-11-01

Abstract

The utility model relates to the technical field of hydraulic machinery, in particular to a head of a crimping machine, which comprises a hydraulic cylinder, a right end cover, a piston, a left end cover, a plurality of die seats and a plurality of dies, wherein the dies are arranged on the die seats, a seat hole is formed in the middle of the inner wall of each die seat, two or more powerful magnets are embedded in two sides of the seat hole, and a pin corresponding to the seat hole is fixed in the middle of the outer wall of each die. According to the utility model, the pin on the mold is embedded into the seat hole of the mold seat, and two or more strong magnets are embedded at two sides of the seat hole of the mold seat, so that the mold can be firmly adsorbed on the inner wall of the mold seat, the mold and the mold seat can be tightly attached and fixed, and the mold can be conveniently detached from the mold seat, therefore, when the mold needs to be replaced, the mold can be directly pulled out of the mold seat, and then a new mold is replaced, which is very convenient.

Description

Head of buckling and pressing machine

Technical Field

The utility model relates to the technical field of hydraulic machinery, in particular to a head of a crimping machine.

Background

The buckling and pressing machine is a machine for buckling and pressing a pipe fitting assembly, and the principle of the machine is that buckling pressure is applied to a metal joint through a head die of the buckling and pressing machine, so that the metal joint is firmly buckled and pressed on a matched pipe fitting. The existing withholding machine comprises a hydraulic extrusion mechanism, a plurality of die seats are uniformly distributed in the hydraulic extrusion mechanism, a die is mounted on each die seat, the die and the die seat are not convenient to mount and inconvenient to replace due to the fact that a mounting structure of the die and the die seats is complex in structure, and production cost is increased.

The above background disclosure is only for the purpose of assisting understanding of the concept and technical solution of the present invention and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a crimping machine head.

In order to achieve the purpose, the utility model adopts the technical scheme that: a head of a crimping machine comprises a hydraulic cylinder, a right end cover, a piston, a left end cover, a plurality of die seats and a plurality of dies, wherein a sliding cavity is arranged on the inner side of the hydraulic cylinder; the outer diameter of the extrusion section is larger than that of the sliding section, the outer wall of the piston is step-shaped at the joint of the extrusion section and the sliding section, a hydraulic oil cavity is formed between the step-shaped outer wall of the piston and the inner wall of the hydraulic cylinder, and the hydraulic cylinder is provided with a first oil inlet and outlet pipe and a second oil inlet and outlet pipe which are communicated with the hydraulic oil cavity; the inner wall of the extrusion section is an inclined plane, and the diameter of the inclined plane is gradually reduced from one end of the extrusion section close to the right end cover to the other end far away from the right end cover; the inner wall of the right end cover is also an inclined surface, and the diameter of the inclined surface is gradually reduced from one end of the right end cover close to the extrusion section to the other end far away from the extrusion section; the inner wall of the extrusion section and the inner wall of the right end cover are uniformly provided with the plurality of die seats, the outer wall of each die seat is provided with inclined planes correspondingly matched with the inner wall of the extrusion section and the inner wall of the right end cover at two ends of the outer wall, and the dies are arranged on the inner walls of the die seats in a one-to-one correspondence manner;

the middle of the inner wall of each die seat is provided with a seat hole, two or more powerful magnets are embedded on two sides of the seat hole, the powerful magnets are permanent magnets, the die is made of iron, a pin corresponding to the seat hole is fixed in the middle of the outer wall of each die, the pin on the die is embedded into the seat hole of the die seat, and the two or more powerful magnets on the die seat adsorb the die.

Further, a support is arranged on the outer side of the hydraulic cylinder.

Furthermore, a connecting plate is fixed at the left end of the hydraulic cylinder, and an inductive switch is arranged on the connecting plate and is directly opposite to the sliding section of the piston; the right end cover is provided with another inductive switch which is opposite to the extrusion section of the piston.

Furthermore, a return spring is arranged between two adjacent die seats, and the die seats and the return spring enclose a ring body.

Furthermore, each side of each die seat along the circumferential direction is provided with two embedding holes, and two ends of each reset spring are correspondingly embedded into and connected with the embedding holes of the two adjacent die seats.

Furthermore, two or more strong magnets butted with the two or more strong magnets are embedded in two sides of each die at the two sides of the pin, and the two or more strong magnets are opposite in attraction.

According to the utility model, the pin on the mold is embedded into the seat hole of the mold seat, and two or more strong magnets are embedded at two sides of the seat hole of the mold seat, so that the mold can be firmly adsorbed on the inner wall of the mold seat, the mold and the mold seat can be tightly attached and fixed, and the mold can be conveniently detached from the mold seat, therefore, when the mold needs to be replaced, the mold can be directly pulled out of the mold seat, and then a new mold is replaced, which is very convenient.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a head of a crimping machine provided in accordance with a preferred embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the mold base and mold assembly of FIG. 1;

FIG. 4 is a schematic view of a further modified form of the die holder and die of FIG. 3;

in the figure: 1. a hydraulic cylinder; 11. a sliding chamber; 12. a first oil inlet and outlet pipe; 14. a second oil inlet and outlet pipe; 13. a hydraulic oil chamber; 15. a support; 2. a right end cap; 3. a piston; 31. an extrusion section; 32. a sliding section; 4. a left end cap; 5. a mold base; 51. a return spring; 52. an insertion hole; 53. a seat hole; 54. a strong magnet; 6. a mold; 61. a pin; 62. a strong magnet; 7. an inductive switch; 70. a connecting plate.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the utility model in a schematic manner, and thus show only the constituents relevant to the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1, fig. 2 and fig. 3, a head of a crimping machine according to a preferred embodiment of the present invention includes a hydraulic cylinder 1, a right end cap 2, a piston 3, a left end cap 4, a plurality of die holders 5 and a plurality of dies 6.

The inner side of a hydraulic cylinder 1 is provided with a sliding chamber 11, the outer side of the hydraulic cylinder 1 is provided with a support 15, the right end of the hydraulic cylinder 1 is fixedly connected with a right end cover 2 through a screw, a piston 3 and a left end cover 4 are sleeved in the sliding chamber 11, the piston 3 is hollow and cylindrical and comprises an extrusion section 31 and a sliding section 32, the extrusion section 31 is arranged close to the right end cover 2, the left end cover 4 is fixedly connected with the sliding section 32 through a screw, a connecting plate 70 is fixed at the opening of the left end of the hydraulic cylinder 1 through a screw, the connecting plate 70 is provided with an inductive switch 7, and the inductive switch 7 is right opposite to the sliding section 32 of the piston 3; the right end cover 2 is provided with another inductive switch 7, the other inductive switch 7 is opposite to the extrusion section 31 of the piston 3, and the inductive switch 7 is used for sensing the position of the movement of the piston 3; the outer diameter of the extrusion section 31 is larger than that of the sliding section 32, so that the outer wall of the piston 3 is step-shaped at the joint of the extrusion section 31 and the sliding section 32, a hydraulic oil chamber 13 is formed between the step-shaped outer wall of the piston 3 and the inner wall of the hydraulic cylinder 1, and the hydraulic cylinder 1 is provided with a first oil inlet and outlet pipe 12 and a second oil inlet and outlet pipe 14 which are communicated with the hydraulic oil chamber 13; the inner wall of the extrusion section 31 is an inclined surface, and the diameter of the inclined surface is gradually reduced from one end of the extrusion section 31 close to the right end cover 2 to the other end far away from the right end cover 2; the inner wall of the right end cover 2 is also an inclined surface, and the diameter of the inclined surface is gradually reduced from one end of the right end cover 2 close to the extrusion section 31 to the other end far away from the extrusion section 31; the inner wall of extrusion section 31 and the inner wall equipartition of right-hand member lid 2 have a plurality of mould seats 5, and the outer wall of every mould seat 5 is for corresponding and extrude the inner wall of section 31 and the inner wall complex inclined plane of right-hand member lid 2 at its both ends department, 6 one-to-one ground installations in the inner wall of mould seat 5 of mould. A seat hole 53 is formed in the middle of the inner wall of each die seat 5, two or more strong magnets 54 are embedded in two sides of the seat hole 53, the strong magnets 54 are permanent magnets, the die 6 is made of iron, a pin 61 corresponding to the seat hole 53 is fixed in the middle of the outer wall of each die 6, the pin 61 on the die 6 is embedded into the seat hole 53 of the die seat 5, and meanwhile the two or more strong magnets 54 on the die seat 5 strongly attract the die 6, so that the die 6 is installed on the die seat 5. According to the utility model, two or more strong magnets 54 are embedded on two sides of the seat hole 53 of the die seat 5, so that the die 6 can be firmly adsorbed on the inner wall of the die seat 5, the die 6 and the die seat 5 can be tightly attached and fixed, and the die 6 can be conveniently detached from the die seat 5.

Further preferably, as shown in fig. 4, a seat hole 53 is formed in the middle of the inner wall of each mold seat 5, two or more strong magnets 54 are embedded on both sides of the seat hole 53, a pin 61 corresponding to the seat hole 53 is fixed in the middle of the outer wall of each mold 6, two or more strong magnets 62 abutting against the two or more strong magnets 54 are embedded on both sides of the pin 61, and the two or more strong magnets 62 attract the two or more strong magnets 54 in opposite polarity, so that the two or more strong magnets 54 on the mold seat 5 strongly attract the mold 6, thereby mounting the mold 6 on the mold seat 5.

In this embodiment, the number of the mold bases 5 and the number of the molds 6 are 8; of course, the number of the die holders 5 and the dies 6 is not limited to 8, and may be other numbers. A return spring 51 is arranged between two adjacent die seats 5, and the die seats 5 and the return spring 51 enclose a ring body; specifically, each side surface of each die holder 5 in the circumferential direction is provided with two insertion holes 52, and both ends of the return spring 51 are correspondingly inserted into and connected to the insertion holes 52 of the adjacent two die holders 5.

When the utility model is used, the mould 6 is firstly arranged on the mould seat 5, the strong magnet 54 on the mould seat 5 can adsorb the mould 6, the pipe fitting joint to be buckled and pressed is put into the buckling and pressing machine, hydraulic oil is injected into the hydraulic oil cavity 13 through the second oil inlet and outlet pipe 14 to push the piston 3 and the left end cover 4 to move, the piston 3 and the right end cover 2 extrude the die seat 5 together, because the extrusion section 31 of the piston 3 and the contact surface between the right end cover 2 and the die seats 5 are inclined surface structures, a plurality of die seats 5 can move oppositely, the diameter of a ring body enclosed by each die seat 5 becomes smaller, the die seats 5 push the die 6 to buckle the pipe fitting joint, the inductive switch 7 senses the position of the piston 3, after the buckling is finished, hydraulic oil flows out from the first oil inlet and outlet pipe 12, the piston 3 restores to the original position, under the action of the return spring 51, the diameter of the ring body enclosed by each die holder 5 is enlarged and restored to the original position. When the mold 6 needs to be replaced, the mold 6 is directly pulled out of the mold seat 5, and then a new mold 6 is replaced, so that the replacement is very convenient.

According to the utility model, the pin 61 on the die 6 is embedded into the seat hole 53 of the die seat 5, and two or more strong magnets 54 are embedded on two sides of the seat hole 53 of the die seat 5, so that the die 6 can be firmly adsorbed on the inner wall of the die seat 5, the die 6 and the die seat 5 can be tightly attached and fixed, and the die 6 can be conveniently detached from the die seat 5, therefore, when the die 6 needs to be replaced, the die 6 can be directly pulled out of the die seat 5, and then a new die 6 is replaced, which is very convenient.

The above descriptions of the embodiments of the present invention, which are not related to the above description, are well known in the art, and may be implemented by referring to the well-known technologies.

In light of the foregoing description of the preferred embodiments of the present invention, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a withhold quick-witted aircraft nose which characterized in that: the hydraulic cylinder comprises a hydraulic cylinder, a right end cover, a piston, a left end cover, a plurality of die seats and a plurality of dies, wherein a sliding cavity is arranged on the inner side of the hydraulic cylinder, the right end of the hydraulic cylinder is fixedly connected with the right end cover, the piston and the left end cover are sleeved in the sliding cavity, the piston is in a hollow cylindrical shape and comprises an extrusion section and a sliding section, the extrusion section is arranged close to the right end cover, and the left end cover is fixedly connected with the sliding section; the outer diameter of the extrusion section is larger than that of the sliding section, the outer wall of the piston is step-shaped at the joint of the extrusion section and the sliding section, a hydraulic oil cavity is formed between the step-shaped outer wall of the piston and the inner wall of the hydraulic cylinder, and the hydraulic cylinder is provided with a first oil inlet and outlet pipe and a second oil inlet and outlet pipe which are communicated with the hydraulic oil cavity; the inner wall of the extrusion section is an inclined plane, and the diameter of the inclined plane is gradually reduced from one end of the extrusion section close to the right end cover to the other end far away from the right end cover; the inner wall of the right end cover is also an inclined surface, and the diameter of the inclined surface is gradually reduced from one end of the right end cover close to the extrusion section to the other end far away from the extrusion section; the inner wall of the extrusion section and the inner wall of the right end cover are uniformly provided with the plurality of die seats, the outer wall of each die seat is provided with inclined planes correspondingly matched with the inner wall of the extrusion section and the inner wall of the right end cover at two ends of the outer wall, and the dies are arranged on the inner walls of the die seats in a one-to-one correspondence manner; the middle of the inner wall of each die seat is provided with a seat hole, two or more powerful magnets are embedded on two sides of the seat hole, the powerful magnets are permanent magnets, the die is made of iron, a pin corresponding to the seat hole is fixed in the middle of the outer wall of each die, the pin on the die is embedded into the seat hole of the die seat, and the two or more powerful magnets on the die seat adsorb the die.

2. The crimping machine head as claimed in claim 1, wherein: and a support is arranged on the outer side of the hydraulic cylinder.

3. The crimping machine head as claimed in claim 1, wherein: a connecting plate is fixed at the left end of the hydraulic cylinder, and an inductive switch is arranged on the connecting plate and is opposite to the sliding section of the piston; the right end cover is provided with another inductive switch which is opposite to the extrusion section of the piston.

4. The crimping machine head as claimed in claim 1, wherein: and a return spring is arranged between two adjacent die seats, and the die seats and the return spring enclose a ring body.

5. The crimping machine head as claimed in claim 4, wherein: every mould seat all is equipped with two embedding holes on every side along circumference, and reset spring's both ends correspond the embedding and are connected in the embedding hole of two adjacent mould seats.

6. The crimping machine head as claimed in claim 1, wherein: two or more strong magnets butted with the two or more strong magnets are embedded in two sides of each die, and the two or more strong magnets are opposite to the two or more strong magnets in attraction.