CN214053430U

CN214053430U - Metal tube necking equipment

Info

Publication number: CN214053430U
Application number: CN202022124497.1U
Authority: CN
Inventors: 邬永龙; 朱鑫; 杨光烈
Original assignee: Suzhou Longsiwei Metal Products Co ltd
Current assignee: Suzhou Longsiwei Metal Products Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-08-27
Anticipated expiration: 2030-09-24

Abstract

The application discloses metal tube necking equipment, which is applied to the field of metal tube processing equipment and solves the technical problems that a metal tube is fixed through a fixing system and is easy to deform when being extruded by strong force, so that the product quality is influenced; the technical effect that the metal pipe is prevented from deforming when being fixed and the quality of the metal pipe is ensured.

Description

Metal tube necking equipment

Technical Field

The application relates to the technical field of metal tube processing equipment, in particular to metal tube necking equipment.

Background

In order to meet the requirements of installation and connection use of metal pipes, the metal pipes are more and more commonly subjected to necking processing.

The existing necking manufacturing system of the metal tube comprises a mould system and a metal tube fixing system; the mould system comprises a frame body and a mould assembly arranged on the frame body, wherein the mould assembly comprises at least one mould, and a through hole is formed in the mould; the through hole comprises a tapered hole and a straight hole. The fixing system comprises a lower end part and an upper end part arranged above the lower end part, a cylindrical cavity which can just contain the metal pipe to be reduced is formed between the upper end part and the lower end part, and the cylindrical cavity is overlapped with the axis of the die. After the metal pipe is fixed, the die moves towards the metal pipe opening, and the metal pipe opening is pressed into the through hole of the die to be contracted.

In view of the above-mentioned related art, the inventor believes that there is a defect that when the metal pipe is compressed and necked down by the die, the die may generate a large pushing force on the metal pipe, so that the metal pipe is fixed by the fixing system, and the metal pipe is easily deformed when being compressed by a strong force, thereby affecting the quality of the product.

SUMMERY OF THE UTILITY MODEL

In order to prevent that the tubular metal resonator from taking place deformation when being fixed, influence the quality of tubular metal resonator, this application provides a necking down system of tubular metal resonator.

The application provides a metal pipe throat equipment adopts following technical scheme: the utility model provides a tubular metal resonator equipment that contracts, includes the processing platform, the processing bench is provided with the cylinder, the piston rod end of cylinder is provided with the compression piece, the compression piece includes the fixed disk, the inboard of fixed disk is provided with the circular slot, the circular slot internal fixation has hollow frustum, the outer wall diameter of hollow frustum is diminished to the end by the stiff end gradually, the inner wall diameter of hollow frustum is by stiff end grow gradually to the end, be provided with a plurality of logical grooves that extend along the direction of height on the hollow frustum, lead to the medial surface department that the groove extends to the fixed disk from hollow frustum end, the processing bench is provided with the compression board, the compression board sets up with piston rod moving direction is perpendicular, be provided with circular through-hole on the compression board, the diameter of circular through-hole equals the terminal diameter of hollow frustum outer wall.

Through above-mentioned technical scheme, start the cylinder and make hollow frustum remove forward, the end of hollow frustum is compressed by the compression board, in the end compressed of hollow frustum, the tubular metal resonator also can receive the pressure of hollow frustum inner wall, makes the tubular metal resonator atress and by the throat, need not to fix the tubular metal resonator through stronger pressure at the in-process of compression, prevents that the tubular metal resonator from taking place deformation when being fixed, has guaranteed the quality of tubular metal resonator.

The application is further configured to: the end connection of piston rod has the fixed block, the outside of fixed disk is connected with the fixture block, the outside of fixed block is provided with and supplies the fixture block to insert fixed draw-in groove.

Through the technical scheme, the compression part is connected with the piston rod through the fixing block, the clamping block of the compression part is connected with the clamping groove of the fixing block, the compression part is more stably connected with the piston rod, and meanwhile, the piston rod cannot generate pressure.

The application is further configured to: the bottom of fixed block is provided with the slider, be provided with the spout that extends along piston rod moving direction on the processing platform.

Through the technical scheme, the fixed block is moved along the extending direction of the sliding groove through the sliding block, so that the accuracy of the moving track of the compression part is ensured.

The application is further configured to: the bottom of compression plate both sides is connected with the limiting plate respectively, the lower terminal surface and the processing platform contact of limiting plate, all be provided with spacing hole on the limiting plate, the processing platform of spacing hole below is provided with spacing groove, the diameter of spacing hole is the same with the diameter of spacing groove, spacing downthehole spacing post that has inserted, the degree of depth that highly is greater than spacing groove of spacing post.

Through the technical scheme, the limiting plate is limited through the limiting column, the outer wall of the limiting column is in contact with the inner wall of the limiting hole and the inner wall of the limiting groove, the shaking condition cannot occur, the limiting plate is limited to be incapable of moving on the machining table, and therefore the compression plate is limited to be incapable of moving on the machining table.

The application is further configured to: and the upper end of the limiting column is provided with a pull ring.

Through the technical scheme, the limiting column is convenient to install and take through pulling damage, and the limiting plate is convenient to limit.

The application is further configured to: the limiting plate is provided with fixing holes, bolt holes are formed in the processing table below the fixing holes, fixing bolts penetrate through the fixing holes, and the tail ends of the fixing bolts are connected with the bolt holes in a screwed mode.

Through the technical scheme, the limiting plate is firmly fixed with the processing table through the fixing bolt, so that the compression plate is firmly fixed with the processing table.

The application is further configured to: and the inner wall of the hollow frustum is vertically provided with a limiting lug.

Through the technical scheme, the tail end of the metal pipe inserted into the hollow frustum can be abutted against the limiting bump to limit the length of the metal pipe inserted into the hollow frustum, so that the length of a locking opening of the metal pipe is controlled.

The application is further configured to: and a PLC control box is arranged on one side of the processing table.

Through the technical scheme, the moving length of the piston rod of the air cylinder can be accurately controlled through the PLC control box, so that the diameter of the inner wall of the tail end of the hollow frustum is the same as that of the inner wall of the connecting end of the hollow frustum.

To sum up, the beneficial technical effect of this application does:

1. the metal pipe does not need to be fixed by strong pressure in the compression process, so that the metal pipe is prevented from being deformed when being fixed, and the quality of the metal pipe is ensured;

2. the fixed block is moved along the extending direction of the sliding groove through the sliding block, so that the accuracy of the moving track of the compression part is ensured;

3. the tail end of the metal pipe inserted into the hollow frustum can be abutted against the limiting convex block to limit the length of the metal pipe inserted into the hollow frustum, so that the length of a locking opening of the metal pipe is controlled.

Drawings

Fig. 1 is an overall configuration diagram of the present embodiment;

FIG. 2 is an exploded view of the compression member of the present embodiment;

FIG. 3 is a schematic structural view of the inner wall of the compression member of the present embodiment;

FIG. 4 is an exploded view of the present embodiment showing the connection of the compression member to the mounting block;

FIG. 5 is an exploded view of the present embodiment showing the connection between the fixing block and the processing table;

fig. 6 is an exploded view showing the connection of the limiting plate and the processing table according to the present embodiment.

Reference numeral, 1, a processing table; 2. a cylinder; 3. a compression member; 4. fixing the disc; 5. a hollow frustum; 6. a through groove; 7. a compression plate; 8. a circular through hole; 9. a fixed block; 10. a clamping block; 11. a card slot; 12. a slider; 13. a chute; 14. a limiting plate; 15. a limiting hole; 16. a limiting groove; 17. a limiting column; 19. fixing the bolt; 20. a limiting bump; 21. and a PLC control box.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Example (b):

referring to fig. 1 and 2, for the metal pipe necking equipment disclosed by the application, the metal pipe necking equipment comprises a processing table 1, wherein an air cylinder 2 is arranged on the processing table 1, and the tail end of a piston rod of the air cylinder 2 is connected with a fixing block 9. 9 departments of fixed block are provided with compression piece 3, and compression piece 3 includes fixed disk 4, and the inboard of fixed disk 4 is provided with the circular slot, and the circular slot internal fixation has hollow frustum 5, and hollow frustum 5 is made by stainless steel metal material, and the stability that hollow frustum 5 and fixed disk 4 are connected is guaranteed to the outer wall of the stiff end of hollow frustum 5 and the inner wall welded fastening of circular slot.

Referring to fig. 2 and 3, the diameter of the outer wall of the hollow frustum 5 is gradually reduced from the fixed end to the tail end, the diameter of the inner wall of the hollow frustum 5 is gradually increased from the fixed end to the tail end, and the diameter of the inner wall of the connecting end of the hollow frustum 5 is the same as the diameter of the metal pipe to be reduced. Be provided with a plurality of logical grooves 6 that extend along the direction of height on hollow frustum 5, lead to groove 6 and divide into a plurality of lamellas with hollow frustum 5, lead to groove 6 and extend to the medial surface department of fixed disk 4 from hollow frustum 5 is terminal, make the end of hollow frustum 5 keep intact, guarantee the stability that hollow frustum 5 and fixed disk 4 are connected.

Referring to fig. 4 and 5, the outer side of the fixed disk 4 is connected with a connecting rod, the end of the connecting rod is fixed with a disk-shaped fixture block 10, the fixing block 9 is provided with a clamping groove 11 near the outer side, the outer side wall of the fixing block 9 is provided with a strip-shaped groove communicated with the clamping groove 11, the fixture block 10 is inserted into the clamping groove 11, and meanwhile the connecting rod moves in the strip-shaped groove, so that the fixture block 10 is fixed in the clamping groove 11, and the compression member 3 is stably fixed to the fixing block 9. When the piston rod of the cylinder 2 moves, the compression element 3 can be driven to move along with the piston rod. The bottom of fixed block 9 is provided with slider 12, is provided with the spout 13 that extends along the piston rod moving direction on the processing platform 1, and slider 12 and spout 13 sliding connection make fixed block 9 move along the direction that spout 13 extends to guarantee the accuracy of compression piece 3 moving trajectory.

Referring to fig. 6, a compression plate 7 is arranged on the machining table 1, the compression plate 7 is perpendicular to the moving direction of the piston rod, a limiting plate 14 is fixed to the bottom end of each of two sides of the compression plate 7, the limiting plate 14 is perpendicular to the compression plate 7, and the lower end face of the limiting plate 14 contacts with the machining table 1, so that the limiting plate 14 supports the compression plate 7. The two limit plates 14 are respectively provided with a limit hole 15, the processing table 1 is provided with a limit groove 16 which is opposite to the limit hole 15 in the vertical position, the diameter of the limit hole 15 is the same as that of the limit groove 16, a limit post 17 is inserted into the limit hole 15, and the diameter of the limit post 17 is the same as that of the limit hole 15 and the limit groove 16. The height of the limiting column 17 is the same as the sum of the depths of the limiting hole 15 and the limiting groove 16, the limiting column 17 penetrates through the limiting hole 15 and is inserted into the limiting groove 16, the outer wall of the limiting column 17 can be in contact with the inner walls of the limiting hole 15 and the limiting groove 16, the limiting plate 14 is limited on the processing table 1 and cannot move, and therefore the compression plate 7 is limited on the processing table 1 and cannot move. The upper ends of the two limiting columns 17 are provided with pull rings, and the limiting columns 17 are convenient to install and take through pulling damage.

Referring to fig. 6, the two limiting plates 14 are provided with fixing holes, and the processing table 1 is provided with bolt holes, the bolt holes are opposite to the upper and lower positions of the fixing holes, and fixing bolts 19 pass through the fixing holes. After the limit plate 14 is limited by the limit post 17, the fixing bolt 19 is inserted through the fixing hole, so that the end of the fixing bolt 19 is screwed with the bolt hole. The stopper plate 14 is firmly fixed to the machining table 1 by the fixing bolt 19, and the compression plate 7 is firmly fixed to the machining table 1.

Referring to fig. 1 and 3, a circular through hole 8 is formed in the compression plate 7, the diameter of the circular through hole 8 is equal to the diameter of the end of the outer wall of the hollow frustum 5, and the end of the hollow frustum 5 is inserted into the circular through hole 8. The cylinder 2 is started to enable the piston rod to drive the hollow frustum 5 to move forwards, and in the process that the hollow frustum 5 moves forwards, the edge of the circular through hole 8 of the compression plate 7 can generate pressure on the tail end of the hollow frustum 5. The hollow frustum 5 is provided with a plurality of through grooves 6, so that the tail end of the hollow frustum 5 can contract inwards when receiving pressure. Before starting the cylinder 2, a metal pipe is inserted into the inner wall of the hollow cone, a limiting lug 20 is vertically arranged on the inner wall of the hollow cone 5, and the limiting lug 20 is fixed on the inner wall of the hollow cone 5 through a bolt. The horizontal distance from the limiting convex block 20 to the tail end of the hollow frustum 5 is the length of the metal pipe to be reduced, the tail end of the metal pipe inserted into the hollow frustum 5 is abutted against the limiting convex block 20, and the length of the metal pipe inserted into the hollow frustum 5 is limited.

Referring to fig. 1 and 3, a PLC control box 21 is disposed on one side of a processing table 1, the moving length of a piston rod of a cylinder 2 can be accurately controlled by the PLC control box 21, the cylinder 2 is started to compress the end of a hollow frustum 5 by a compression plate 7, the metal pipe is compressed at the end of the hollow frustum 5 and is pressed by the inner wall of the hollow frustum 5, so that the metal pipe is stressed and is reduced until the diameter of the inner wall of the end of the hollow frustum 5 is the same as that of the inner wall of the connecting end of the hollow frustum 5, the cylinder 2 stops working, the hollow frustum 5 stops moving forward, and the diameter of the end of the metal pipe is reduced by compression, thereby completing the reduction of the metal pipe.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a tubular metal resonator equipment that contracts, its characterized in that, includes processing platform (1), be provided with cylinder (2) on processing platform (1), the piston rod end of cylinder (2) is provided with compression piece (3), compression piece (3) include fixed disk (4), the inboard of fixed disk (4) is provided with the circular slot, the circular slot internal fixation has hollow frustum (5), the outer wall diameter of hollow frustum (5) is diminished to the end by the stiff end gradually, the inner wall diameter of hollow frustum (5) is by stiff end to terminal grow gradually, be provided with a plurality of logical grooves (6) that extend along the direction of height on hollow frustum (5), it extends to the medial surface department of fixed disk (4) from hollow frustum (5) end to lead to groove (6), be provided with compression board (7) on processing platform (1), compression board (7) set up with piston rod moving direction is perpendicular, the compression plate (7) is provided with a circular through hole (8), and the diameter of the circular through hole (8) is equal to the diameter of the tail end of the outer wall of the hollow frustum (5).

2. The metal pipe necking equipment of claim 1, wherein a fixing block (9) is connected to the end of the piston rod, a clamping block (10) is connected to the outer side of the fixing disc (4), and a clamping groove (11) for inserting and fixing the clamping block (10) is formed in the outer side of the fixing block (9).

3. A metal tube necking apparatus according to claim 2, wherein a slider (12) is provided at a bottom end of the fixed block (9), and a slide groove (13) extending in a moving direction of the piston rod is provided on the processing table (1).

4. The metal pipe necking equipment according to claim 1, wherein limiting plates (14) are connected to the bottom ends of two sides of the compression plate (7) respectively, the lower end faces of the limiting plates (14) are in contact with the processing table (1), limiting holes (15) are formed in the limiting plates (14), limiting grooves (16) are formed in the processing table (1) below the limiting holes (15), the diameters of the limiting holes (15) are the same as those of the limiting grooves (16), limiting columns (17) are inserted into the limiting holes (15), and the heights of the limiting columns (17) are larger than the depth of the limiting grooves (16).

5. A metal tube necking apparatus according to claim 4, wherein a pull ring is provided at an upper end of the stopper post (17).

6. The metal pipe necking equipment of claim 4, wherein the limiting plates (14) are provided with fixing holes, the processing table (1) below the fixing holes is provided with bolt holes, fixing bolts (19) penetrate through the fixing holes, and the tail ends of the fixing bolts (19) are screwed with the bolt holes.

7. A metal tube necking apparatus according to claim 1, wherein the inner wall of the hollow frustum (5) is vertically provided with a limit projection (20).

8. A metal tube necking apparatus according to claim 1, wherein a PLC control box (21) is provided at one side of the processing table (1).