CN219378605U

CN219378605U - Punching machine

Info

Publication number: CN219378605U
Application number: CN202320685511.6U
Authority: CN
Inventors: 高意航; 陈郎; 张晓亮; 张和和
Original assignee: Shaanxi Dongfeng Coal Mine Equipment Co ltd
Current assignee: Shaanxi Dongfeng Coal Mine Equipment Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-07-21
Anticipated expiration: 2033-03-31

Abstract

The application relates to a punching machine relates to valve production technical field. The device comprises a workbench, a rack, a stamping mechanism and a conveying mechanism, wherein the rack is arranged on the workbench; the punching mechanism is arranged on the frame and used for punching the plate; the conveying mechanism comprises a sliding block, a driving assembly arranged on the sliding block and a clamping assembly used for clamping the plate; the workbench is provided with a sliding groove for sliding the sliding block, the length direction of the sliding groove is perpendicular to the plane where the rack is located, the driving assembly is used for driving the sliding block to slide along the sliding groove, and the clamping assembly is arranged on the sliding block. The safety in the sheet material punching process is improved, and the labor intensity of workers is reduced.

Description

Punching machine

Technical Field

The application relates to the technical field of valve production, in particular to a punching machine.

Background

Valves are mechanical devices that control the flow, direction, pressure, temperature, etc. of a flowing fluid medium and are essential components in a piping system. The valve mainly comprises a valve body, a flange, a valve rod and a valve core, wherein a blank body of the flange is usually formed by forging, casting or stamping. Compared with forging or casting, the flange blank formed by stamping has the advantages of low cost, high processing efficiency and the like, so that the flange blank is usually stamped and formed by a stamping machine.

In the related art, the punching machine comprises a workbench, a frame, an oil cylinder, an upper die and a lower die, wherein the frame is arranged on the workbench, the oil cylinder is arranged on the frame, the end part of a piston rod of the oil cylinder is fixedly connected with the upper die, the lower die is arranged on the workbench, and the upper die is positioned under the lower die. When the stamping die is used, a worker adjusts the plate to the lower die, the oil cylinder is started, the oil cylinder piston rod drives the upper die to descend, the plate is stamped and formed by means of the pressure of the upper die and the support of the lower die, after the workpiece is stamped and formed, the oil cylinder drives the upper die to reset, the worker manually adjusts the stamping position of the plate, and after adjustment, the worker presses the plate for stamping again.

To above-mentioned related art, in the punching press in flange body, need the staff to fix panel with the hand to guarantee the stability of panel in the punching press, also need the manual adjustment of staff when adjusting the punching press position of panel simultaneously, but the panel is heavier, and the manual adjustment of staff is more laborious, and has the potential safety hazard when fixing the panel with the hand of staff in the punching press.

Disclosure of Invention

In order to improve the security in the panel punching press process, and reduce staff's intensity of labour, this application provides a punching machine.

The application provides a punching machine adopts following technical scheme:

the punching machine comprises a workbench, a rack, a punching mechanism and a conveying mechanism, wherein the rack is arranged on the workbench;

the punching mechanism is arranged on the frame and used for punching the plate;

the conveying mechanism comprises a sliding block, a driving assembly arranged on the sliding block and a clamping assembly used for clamping the plate;

the workbench is provided with a sliding groove for sliding the sliding block, the length direction of the sliding groove is perpendicular to the plane where the rack is located, the driving assembly is used for driving the sliding block to slide along the sliding groove, and the clamping assembly is arranged on the sliding block.

Through adopting above-mentioned technical scheme, use clamping assembly to carry out the centre gripping with panel one end, the other end is placed on stamping mechanism, start stamping mechanism and carry out the punching press to the panel, after the panel punching press is accomplished, start the driving piece, driving piece drive slider slides along the spout, the slider drives clamping assembly motion for clamping assembly drives the panel motion, until the panel motion to the punching press position can, then start stamping mechanism again and punch a plate, replaced the manual mode of adjusting the panel of staff, carry out the centre gripping through clamping assembly to the panel, need not the staff to press the panel with the hand and fix in the punching press process, the security of panel punching press in-process has been improved, staff's intensity of labour has been reduced.

Optionally, the drive assembly includes drive screw and motor, drive screw run through the slider and with slider threaded connection, drive screw set up in the spout, drive screw one end with spout lateral wall rotates to be connected, drive screw axis direction with spout length direction is parallel, the motor output shaft stretches into spout one end with the coaxial rigid coupling of drive screw.

Through adopting above-mentioned technical scheme, the drive assembly of design drives the drive screw through the motor output shaft and rotates, is convenient for realize that the drive screw drives the slider and slides along the spout.

Optionally, the clamping assembly comprises a clamping block, a clamping plate and an adjusting piece;

the clamp splice rigid coupling in on the slider, the clamp splice be close to hold up the holding tank has been seted up to frame one side, hold up tank length direction with clamp splice length limit direction is parallel, splint can slide in the holding tank, splint with hold up tank lateral wall forms the centre gripping chamber that is used for centre gripping panel jointly, the regulating part set up in on the splint, be used for adjusting the lift of splint.

Through adopting above-mentioned technical scheme, the clamping assembly of design drives splint through adjusting the regulating part and goes up and down, is convenient for with panel one end centre gripping in the centre gripping chamber, is applicable to the panel of different thickness and carries out the centre gripping.

Optionally, the adjusting piece includes adjusting screw, adjusting screw stretches into in the holding tank and with clamp splice threaded connection, adjusting screw stretches into holding tank one end with splint rotate to be connected.

Through adopting above-mentioned technical scheme, the regulating part of design is rotated through staff drive adjusting screw, is convenient for realize the lift of splint.

Optionally, the stamping mechanism comprises an oil cylinder, a mounting plate, an upper die, a lower die and a buffer assembly;

the oil cylinder is vertically arranged on the top wall of the frame, the bottom end of a piston rod of the oil cylinder is fixedly connected with the mounting plate, the upper die is arranged right below the mounting plate, the lower die is fixedly connected on the workbench, and the upper die is arranged right above the lower die;

the buffer component is arranged between the mounting plate and the upper die and is used for buffering impact between the upper die and the mounting plate.

Through adopting above-mentioned technical scheme, the stamping mechanism of design, put panel on the lower mould roof, through the start-up hydro-cylinder, the hydro-cylinder piston rod drives the mounting panel and descends, and the mounting panel drives the mould and descends, and when last mould diapire and panel contact, buffer unit buffers the pressure between last mould and the mounting panel, until last mould and lower mould with the flange body from the panel stamping forming can, then the hydro-cylinder piston rod is retracted for go up the mould and reset, be convenient for realize the punching press of panel.

Optionally, a guiding groove for guiding the mounting plate to vertically lift is formed in one side, close to each other, of the two opposite side walls of the frame, the guiding groove is vertically formed, and two ends of the mounting plate are slidably connected in the guiding groove.

Through adopting above-mentioned technical scheme, the guide way of design is convenient for the guide mount pad goes up and down, and then is convenient for go up the lift of mould, has improved the stability of going up the mould in-process of going up and down.

Optionally, the buffer assembly includes at least two telescopic rods, each of which includes a fixed section, a sliding section and a compression spring;

the sliding section is in sliding connection with the fixed section, the fixed section is far away from sliding section one end with mounting panel diapire rigid coupling, sliding section is far away from fixed section one end with go up mould roof rigid coupling, compression spring is used for promoting go up the mould is kept away from the mounting panel.

Through adopting above-mentioned technical scheme, the buffer unit of design is through sliding section and fixed section sliding connection to keep away from the mounting panel through compression spring promotes the mould, be convenient for cushion the pressure of last mould and mounting panel, make kinetic energy conversion become compression spring's elastic potential energy, improved the life of last mould.

Optionally, the fixed section coaxial sleeve is located on the sliding section, the sliding section keep away from last mould one end rigid coupling has the flaring boss, the fixed section is kept away from mounting panel one end is provided with and is used for the binding off retaining ring of flaring boss butt.

Through adopting above-mentioned technical scheme, flaring boss and binding off retaining ring of design, through flaring boss and binding off retaining ring butt, prevented the separation of fixed section and sliding section.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the designed punching machine, the sliding block is driven to slide along the sliding groove through the driving assembly, the plate is clamped through the clamping assembly, a mode that a worker manually adjusts the plate is replaced, the plate is not required to be pressed by the worker to be fixed in the punching process, the safety of the plate in the punching process is improved, and the labor intensity of the worker is reduced;

2. according to the designed punching machine, the plate is clamped through the clamping assembly, so that stability of the plate is guaranteed in the adjustment process of the plate, loosening of the plate is prevented when the plate is punched, and safety performance of the plate in the punching process is improved.

Drawings

Fig. 1 is a schematic structural view of a press machine according to an embodiment of the present application;

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

fig. 3 is a schematic structural view of a telescopic rod according to an embodiment of the present application.

Reference numerals: 1. a work table; 11. a chute; 2. a frame; 21. a guide groove; 3. a punching mechanism; 31. an oil cylinder; 32. a mounting plate; 33. an upper die; 34. a lower die; 35. a telescopic rod; 351. a fixed section; 352. a sliding section; 353. a compression spring; 354. flaring boss; 355. closing up the retainer ring; 4. a conveying mechanism; 41. a slide block; 42. a drive assembly; 421. driving a screw; 422. a motor; 43. a clamping assembly; 431. clamping blocks; 4311. a receiving groove; 432. a clamping plate; 433. and adjusting the screw.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a punching machine.

Referring to fig. 1, a punching machine includes a workbench 1, a frame 2, a punching mechanism 3 and a conveying mechanism 4, wherein the frame 2 is welded on the workbench 1, the frame 2 in this embodiment is a gantry frame body, and the punching mechanism 3 is disposed on the frame 2 and is used for punching a plate; the conveying mechanism 4 is arranged on the workbench 1 and is used for conveying the plates.

Referring to fig. 1, the stamping mechanism 3 includes an oil cylinder 31, a mounting plate 32, an upper die 33, a lower die 34 and a buffer assembly, the oil cylinder 31 is vertically mounted on the top wall of the frame 2, a piston rod of the oil cylinder 31 penetrates through the top wall of the frame 2 and is slidably connected with the top wall of the frame 2, a bottom end of the piston rod of the oil cylinder 31 is welded with the mounting plate 32, the mounting plate 32 is horizontally arranged, the upper die 33 is arranged under the mounting plate 32, the lower die 34 is mounted on the workbench 1 in a bolt connection manner, the upper die 33 is positioned right above the lower die 34, and the buffer assembly is arranged between the mounting plate 32 and the upper die 33 and is used for buffering impact between the upper die 33 and the mounting plate 32; in order to facilitate the vertical lifting of the guide mounting plate 32, in this embodiment, two sides of the opposite side walls of the frame 2, which are close to each other, are provided with guide grooves 21 for guiding the vertical lifting of the mounting plate 32, the guide grooves 21 are vertically provided, and two ends of the mounting plate 32 are slidably connected in the guide grooves 21; because the mode of collecting the flange blank body and the excess materials which are formed by stamping is manual recovery, the method belongs to the prior art, and therefore, the description is omitted.

Referring to fig. 1, 2 and 3, the buffer assembly includes at least two telescopic rods 35, in this embodiment, there may be three telescopic rods 35, so long as a gap between the buffer mounting plate 32 and the lower die 34 is realized; each telescopic rod 35 comprises a fixed section 351, a sliding section 352 and a compression spring 353, wherein the sliding section 352 is in sliding connection with the fixed section 351, the fixed section 351 is coaxially sleeved on the sliding section 352 in the embodiment, one end of the fixed section 351, which is far away from the sliding section 352, is welded with the bottom wall of the mounting plate 32, and one end of the sliding section 352, which is far away from the fixed section 351, is fixedly connected with the top wall of the upper die 33 in a bolt connection manner; in order to prevent the sliding section 352 from being separated from the fixed section 351, in this embodiment, a flaring boss 354 is integrally connected to one end of the sliding section 352 away from the upper die 33, and a closing-up retainer 355 for abutting the flaring boss 354 is integrally connected to one end of the fixed section 351 away from the mounting plate 32; the compression spring 353 is used for pushing the upper die 33 away from the mounting plate 32, in this embodiment, the compression spring 353 is coaxially sleeved on the sliding section 352, one end of the compression spring 353 abuts against the top wall of the upper die 33, and the other end abuts against the bottom wall of the closing-up retainer 355.

Referring to fig. 1, the conveying mechanism 4 includes two sliders 41, a driving assembly 42 disposed on the sliders 41, and a clamping assembly 43 for clamping the board, in this embodiment, the number of the sliders 41 is two, a sliding chute 11 for sliding the two sliders 41 is formed on the workbench 1, the length direction of the sliding chute 11 is perpendicular to a plane where the frame 2 is located, the driving assembly 42 is used for driving the sliders 41 to slide along the sliding chute 11, and the clamping assembly 43 is disposed on the two sliders 41.

Referring to fig. 1, the driving assembly 42 includes two driving screws 421 and a motor 422, in this embodiment, the number of the driving screws 421 is two, one driving screw 421 is matched with one slider 41, the driving screw 421 penetrates through the slider 41 and is in threaded connection with the slider 41, the two driving screws 421 are all disposed in the corresponding sliding groove 11, one end of the driving screw 421 is rotationally connected with the side wall of the sliding groove 11, the axial direction of the driving screw 421 is parallel to the length direction of the sliding groove 11, and one end of an output shaft of the motor 422 extending into the sliding groove 11 is coaxially and fixedly connected with the driving screw 421 through a coupling.

Referring to fig. 1, the clamping assembly 43 includes a clamping block 431, clamping plates 432 and adjusting members, the clamping block 431 is welded on one side of the two sliding blocks 41 far away from the driving motor 422, a containing groove 4311 is formed on one side of the clamping block 431 close to the frame 2, the length direction of the containing groove 4311 is parallel to the length direction of the clamping block 431, the bottom wall of the containing groove 4311 is flush with the top wall of the lower die 34, the clamping plates 432 can slide in the containing groove 4311, the clamping plates 432 and the side walls of the containing groove 4311 jointly form a clamping cavity for clamping plates, in this embodiment, the number of the clamping plates 432 is two, the number of the adjusting members corresponds to the number of the clamping plates 432 one by one, and the adjusting members are arranged on the clamping plates 432 and are used for adjusting the lifting of the clamping plates 432; each adjusting piece comprises an adjusting screw 433, the adjusting screw 433 stretches into the accommodating groove 4311 and is in threaded connection with the clamping block 431, one end of the adjusting screw 433 stretching into the accommodating groove 4311 is in rotary connection with the clamping plate 432, and the adjusting screw 433 is vertically arranged.

The implementation principle of the punching machine in the embodiment of the application is as follows: when the clamping device is used, one end of a plate is placed in the accommodating groove 4311, the other end of the plate is placed on the bottom wall of the lower die 34, the adjusting screw 433 is manually driven, the adjusting screw 433 drives the clamping plate 432 to descend until the bottom wall of the clamping plate 432 is abutted against the top wall of the plate, and the plate is clamped in the clamping cavity; the cylinder 31 is started, a piston rod of the cylinder 31 drives the mounting plate 32 to descend, the mounting plate 32 drives the telescopic rod 35 to descend with the upper die 33, when the bottom wall of the upper die 33 is contacted with the top wall of the plate, the sliding section 352 slides upwards along the fixed section 351 due to the reaction force from the plate, at the moment, the telescopic rod 35 of the cylinder 31 continues to stretch, the compression spring 353 is pressed until the upper die 33 and the lower die 34 punch the flange blank from the plate, then the piston rod of the cylinder 31 retracts, the piston rod of the cylinder 31 drives the mounting plate 32 to ascend, the compression spring 353 starts to recover deformation, the sliding section 352 slides downwards along the fixed section 351 until the flaring boss 354 is abutted with the necking check ring 355, and the upper die 33 resets.

After the sheet is stamped, the motor 422 is started, the output shaft of the motor 422 drives the driving screw 421 to rotate, the driving screw 421 drives the sliding block 41 to slide along the sliding groove 11, the sliding block 41 drives the clamping block 431 to move, the sheet is clamped in the clamping cavity, the sheet moves forwards under the supporting action of the top wall of the lower die 34 until the sheet moves to the stamping position, then the cylinder 31 is started again to stamp the sheet, the manner of manually adjusting the sheet by a worker is replaced, the sheet is clamped by the clamping assembly 43, the sheet is not required to be pressed and fixed by the worker in the stamping process, the safety of the sheet stamping process is improved, and the labor intensity of the worker is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a punching machine, includes workstation (1) and frame (2), frame (2) set up in on workstation (1), its characterized in that: the device also comprises a stamping mechanism (3) and a conveying mechanism (4);

the stamping mechanism (3) is arranged on the frame (2) and is used for stamping the plate;

the conveying mechanism (4) comprises a sliding block (41), a driving assembly (42) arranged on the sliding block (41) and a clamping assembly (43) for clamping the plate;

the workbench (1) is provided with a sliding groove (11) for sliding the sliding block (41), the length direction of the sliding groove (11) is perpendicular to the plane where the rack (2) is located, the driving assembly (42) is used for driving the sliding block (41) to slide along the sliding groove (11), and the clamping assembly (43) is arranged on the sliding block (41).

2. A press as claimed in claim 1, wherein: the driving assembly (42) comprises a driving screw (421) and a motor (422), the driving screw (421) penetrates through the sliding block (41) and is in threaded connection with the sliding block (41), the driving screw (421) is arranged in the sliding groove (11), one end of the driving screw (421) is rotationally connected with the side wall of the sliding groove (11), the axial direction of the driving screw (421) is parallel to the length direction of the sliding groove (11), and an output shaft of the motor (422) extends into one end of the sliding groove (11) and is fixedly connected with the driving screw (421) coaxially.

3. A press as claimed in claim 2, characterized in that: the clamping assembly (43) comprises a clamping block (431), a clamping plate (432) and an adjusting piece;

clamping block (431) rigid coupling in on slider (41), clamping block (431) be close to holding tank (4311) have been seted up to frame (2) one side, holding tank (4311) length direction with clamping block (431) long limit direction is parallel, splint (432) can slide in holding tank (4311), splint (432) with holding tank (4311) lateral wall forms the centre gripping chamber that is used for centre gripping panel jointly, the regulating part set up in on splint (432) for adjust the lift of splint (432).

4. A press as claimed in claim 3, characterized in that: the adjusting piece comprises an adjusting screw (433), the adjusting screw (433) stretches into the accommodating groove (4311) and is in threaded connection with the clamping block (431), and one end of the adjusting screw (433) stretches into the accommodating groove (4311) to be in rotary connection with the clamping plate (432).

5. A press as claimed in claim 1, wherein: the stamping mechanism (3) comprises an oil cylinder (31), a mounting plate (32), an upper die (33), a lower die (34) and a buffer assembly;

the oil cylinder (31) is vertically arranged on the top wall of the frame (2), the bottom end of a piston rod of the oil cylinder (31) is fixedly connected with the mounting plate (32), the upper die (33) is arranged right below the mounting plate (32), the lower die (34) is fixedly connected on the workbench (1), and the upper die (33) is arranged right above the lower die (34);

the buffer assembly is arranged between the mounting plate (32) and the upper die (33) and is used for buffering impact between the upper die (33) and the mounting plate (32).

6. A press as defined in claim 5, wherein: the two opposite side walls of the frame (2) are provided with guide grooves (21) which are used for guiding the mounting plate (32) to vertically lift on one side close to each other, the guide grooves (21) are vertically arranged, and two ends of the mounting plate (32) are slidably connected in the guide grooves (21).

7. A press as defined in claim 5, wherein: the buffer assembly comprises at least two telescopic rods (35), wherein each telescopic rod (35) comprises a fixed section (351), a sliding section (352) and a compression spring (353);

the sliding section (352) is in sliding connection with the fixed section (351), one end of the fixed section (351) away from the sliding section (352) is fixedly connected with the bottom wall of the mounting plate (32), one end of the sliding section (352) away from the fixed section (351) is fixedly connected with the top wall of the upper die (33), and the compression spring (353) is used for pushing the upper die (33) to be away from the mounting plate (32).

8. A press as defined in claim 7, wherein: the fixed section (351) is coaxially sleeved on the sliding section (352), a flaring boss (354) is fixedly connected to one end, away from the upper die (33), of the sliding section (352), and a closing-in check ring (355) used for being abutted to the flaring boss (354) is arranged at one end, away from the mounting plate (32), of the fixed section (351).