CN212241382U

CN212241382U - Automatic vibrating diaphragm punching equipment

Info

Publication number: CN212241382U
Application number: CN202021983918.XU
Authority: CN
Inventors: 冯胜福; 冯全胜
Original assignee: Fengshun Shangping Electronic Co ltd
Current assignee: Fengshun Shangping Electronic Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2020-12-29
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a vibrating diaphragm automatic punching device; belongs to the technical field of vibrating diaphragm punching equipment; the automatic punching machine is characterized by comprising a workbench, wherein an automatic punching device is arranged on the workbench, and a guide mechanism matched with a vibrating membrane strip to be punched is arranged on the side edge of the automatic punching device; an automatic traction mechanism for drawing the vibrating membrane strip to be punched to move is arranged on the workbench; the automatic punching device comprises a punch, an upper die and a lower die which are matched with each other are arranged on the punch, an auxiliary positioner is arranged in the lower die, and the upper end surface of the auxiliary positioner is matched with a vibrating diaphragm on a vibrating diaphragm strip to be punched; the auxiliary positioner is connected with a compressed air source in a conduction way through a negative pressure pipe; a pressure detection mechanism is arranged on the negative pressure pipe, and when the pressure detection mechanism detects the negative pressure at the end of the auxiliary positioner, the external controller controls the action of the punch press to perform punching; the utility model aims to provide a vibrating diaphragm automatic punching device with compact structure, good alignment effect and high processing efficiency; the automatic punching machine is used for automatic punching of the vibrating diaphragm.

Description

Automatic vibrating diaphragm punching equipment

Technical Field

The utility model relates to a vibrating diaphragm processing equipment, more specifically say, especially relate to an automatic die-cut equipment of vibrating diaphragm.

Background

The existing diaphragm production is that a diaphragm is formed on a strip-shaped diaphragm body at intervals along the length direction by hot-press forming equipment to form a diaphragm strip. Then the vibrating diaphragm strip is manually cut into square semi-finished products, each square semi-finished product contains a vibrating diaphragm, and the square semi-finished products are manually placed into a punch press and manually placed in opposite positions, and then the vibrating diaphragms are punched and cut. This kind of operating mode, not only work efficiency is very low, and workman intensity of labour is very high, if counterpoint when die-cut is not good moreover, easily causes the vibrating diaphragm to scrap, influences the yield. And if slight counterpoint error appears not discover, the vibrating diaphragm that the die-cut came out, human eye can't distinguish it and have the quality problem, when installing on loudspeaker, tone quality when can influencing the loudspeaker broadcast, and then influence the quality of product, influence and sell.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to above-mentioned prior art not enough, provide a compact structure, counterpoint effectual and vibrating diaphragm automatic punching equipment that machining efficiency is high.

The technical scheme of the utility model is realized like this: an automatic diaphragm punching device comprises a workbench, wherein an automatic punching device is arranged on the workbench, and a guide mechanism matched with a diaphragm strip to be punched is arranged on the side edge of the automatic punching device; an automatic traction mechanism for drawing the vibrating membrane strip to be punched to move is arranged on the workbench; automatic die-cut device includes the punch press, is provided with the last mould and the lower mould of the die-cut vibrating diaphragm of mutually supporting on the punch press, is provided with the assistance-localization real-time ware in the lower mould, the assistance-localization real-time ware up end suits with the vibrating diaphragm of treating on the die-cut vibrating diaphragm strip.

The auxiliary positioner is in conductive connection with a compressed air source through a negative pressure pipe and fixes the diaphragm to be punched through negative pressure adsorption; and a pressure detection mechanism is arranged on the negative pressure pipe, and when the pressure detection mechanism detects the negative pressure at the end of the auxiliary positioner, the external controller controls the punch to act to perform punching.

In the automatic diaphragm punching equipment, the number of the guide mechanisms is two, and the two guide mechanisms are respectively arranged at two sides of the automatic punching device; the guide mechanism consists of a guide support fixed on the workbench, a horizontal guide groove fixed on the guide support along the horizontal direction and a limiting pressing sheet arranged on the end surface of the opening part of the horizontal guide groove; the horizontal guide groove is arranged along the advancing direction of the diaphragm strip to be punched.

In the automatic diaphragm punching device, the automatic traction mechanism is located behind the automatic punching device along the advancing direction of the diaphragm strip to be punched; the automatic traction mechanism comprises a linear guide rail which is positioned on the side edge of the punched strip-shaped vibration film leftover material and is parallel to the strip-shaped vibration film leftover material, a sliding seat which is arranged on the linear guide rail in a sliding way, a pneumatic finger which is fixed on the sliding seat and corresponds to the vibration film strip to be punched and a horizontal driving mechanism which is connected with the sliding seat; the two clamping jaws of the pneumatic finger are respectively and fixedly connected with clamping plates matched with each other, matched rubber blocks are respectively arranged on the opposite end faces of the two clamping plates, and the two rubber blocks are matched with each other to clamp and fix strip-shaped vibrating diaphragm leftover materials.

In the automatic diaphragm punching device, the horizontal driving mechanism comprises a driving screw rod arranged in parallel with the linear guide rail and a servo motor connected and linked with the driving screw rod, and the driving screw rod is rotatably connected with the workbench through a shaft seat; and the sliding seat is fixedly connected with a driving thread sleeve in threaded connection with a driving screw rod.

In the automatic diaphragm punching equipment, an auxiliary positioning mechanism is arranged on the side edge of the guide mechanism between the automatic punching device and the automatic traction mechanism; the auxiliary positioning mechanism consists of a mounting plate, a mounting seat sleeved on the mounting plate, a positioning cylinder which is fixed on the mounting seat along the vertical direction and is positioned above the punched strip-shaped vibrating diaphragm leftover bits, and a positioning thimble which is fixedly connected with the free end of a piston rod of the positioning cylinder and is opposite to the punched strip-shaped vibrating diaphragm leftover bits; when the two clamping jaws of the pneumatic finger are opened, the positioning ejector pin presses down and fixes the punched strip-shaped vibrating diaphragm leftover material, and when the two clamping jaws of the pneumatic finger are folded to clamp the punched strip-shaped vibrating diaphragm leftover material, the positioning ejector pin rises.

In the automatic diaphragm punching device, the lower die is a first circular metal sleeve fixed on a machine table of a punching machine, and the outer diameter of the first circular metal sleeve is the same as that of the diaphragm; the upper die is a second circular metal sleeve body which is fixed on the punch press sliding block and is opposite to the lower die, the inner aperture of the second circular metal sleeve body is the same as the outer diameter of the first circular metal sleeve body, and the upper die and the lower die are matched to punch and separate the vibrating diaphragm from the vibrating diaphragm strip to be punched.

The auxiliary positioner consists of a cylindrical part sleeved in the inner hole of the lower die and a guide positioning part integrally formed on the upper end surface of the cylindrical part; the guide positioning part is an annular bulge which corresponds to the annular groove on the vibrating diaphragm one by one, and each annular bulge is concentrically arranged and has an isosceles triangle-shaped cross section along the axial direction.

The center of the auxiliary positioner is axially provided with a negative pressure hole, the side wall of the auxiliary positioner is provided with a connecting hole communicated with the negative pressure hole, the lower die is provided with a yielding hole opposite to the connecting hole, and the negative pressure pipe penetrates through the yielding hole through a quick connector to be connected with the connecting hole.

In the automatic diaphragm punching device, an auxiliary pressing mechanism is arranged on a workbench at the side of the lower die, and the auxiliary pressing mechanism consists of a pressing seat, a horizontal double-rod cylinder arranged on the pressing seat and an air injection pipe fixed at the free end of a piston rod of the horizontal double-rod cylinder; a plurality of gas injection holes are distributed on the side wall of the lower part of the free end of the gas injection pipe; the lower mould is located the place ahead of horizontal double-rod cylinder piston rod, when automatic drive mechanism pulls and treats die-cut vibrating diaphragm strip and remove towards the lower mould, horizontal double-rod cylinder drives jet-propelled pipe and stretches out and treat die-cut vibrating diaphragm blowout high-pressure gas messenger and treat die-cut vibrating diaphragm laminating above the auxiliary positioning ware towards being located above the auxiliary positioning ware, when pressure detection mechanism detected the negative pressure of auxiliary positioning ware end, through the action execution die-cut of horizontal double-rod cylinder withdrawal re-control punch press of external control ware control.

In the automatic diaphragm punching equipment, the punch press sliding block is provided with a communicating hole communicated with the inner hole of the upper die, and the inner diameter of the communicating hole is 0-5mm larger than that of the inner hole of the upper die; the upper end of the communicating hole is provided with a material storage device, the material storage device comprises a material storage pipe detachably connected to the upper end of the communicating hole, and a positioning ring matched with the material storage pipe is arranged on the punch press sliding block.

The upper end cover of the material storage pipe is provided with a limiting cap, the side wall of the limiting cap is relatively provided with two first connecting lugs, the upper end face of the punch slide block is provided with second connecting lugs in one-to-one correspondence with the first connecting lugs, and an elastic tensioning piece is arranged between the first connecting lugs and the corresponding second connecting lugs.

The elastic tensioning piece consists of a connecting rod hinged with the first connecting lug and a connecting spring fixed at the free end of the connecting rod; the free end of the connecting spring is integrally formed with a positioning hook part which is detachably connected with the second connecting lug.

In the automatic diaphragm punching device, a diaphragm strip picking mechanism is arranged on a workbench at the side edge of the lower die; the membrane vibrating strip upper picking mechanism consists of an upper picking support, a vertical double-rod air cylinder fixed on the upper picking support along the vertical direction and a membrane vibrating strip upper picking frame fixed at the free end of a piston rod of the vertical double-rod air cylinder along the horizontal direction;

the upper cantilever frame of the diaphragm vibrating strip consists of a support plate fixed at the free end of a piston rod of a vertical double-rod cylinder and two upper cantilever rods which are parallel and fixed on the support plate at intervals; the two upper ram rods are respectively positioned at two sides of the lower die; when the punching machine executes punching action, the vertical double-rod cylinder drives the two upper ram rods to ascend so as to eject punched strip-shaped vibrating diaphragm leftover materials to the upper part of the lower die and then retract and reset.

In the automatic diaphragm punching device, the pressure detection mechanism comprises a vacuum generator, and the vacuum generator is provided with a vacuum port for communicating the internal vacuum cavity and an air inlet connected with an external compressed air source pipeline; the side wall of the vacuum generator is provided with a mounting hole extending towards the vacuum cavity, the bottom in the mounting hole is provided with a guide communication hole for conducting the vacuum cavity, and a slide rod is movably arranged in the guide communication hole in a penetrating way.

The side wall of the mounting hole corresponding to one side of the slide bar, which is far away from the guide communication hole, is provided with a yielding notch for conducting the outside of the vacuum generator, one end of the slide bar, which is far away from the guide communication hole, is fixedly connected with a detection rod which penetrates the yielding notch and extends to the outside of the vacuum generator, and the outer wall of the vacuum generator is fixedly provided with a sensor matched with the detection rod.

A sealing ring matched with the mounting hole is fixed on the outer wall of the sliding rod, and the sliding rod is connected with an elastic resetting component; under initial condition, the elasticity reset assembly is in the state of extending, and the sealing washer is located the mounting hole that the breach corresponds of stepping down and the measuring bar is kept away from the sensor, and when being vacuum state in the vacuum chamber, the elasticity reset assembly shrink, the sealing washer is located the mounting hole between breach and the direction intercommunicating pore and the measuring bar is close to and triggers the sensor.

In the automatic diaphragm punching device, the elastic reset assembly comprises a reset spring sleeved on the sliding rod and a limit ring fixedly arranged on the sliding rod; the reset spring is clamped between the limiting ring and the bottom of the mounting hole.

After the structure is adopted by the utility model, the automatic movement of the vibration film strip is realized through the guide mechanism and the automatic traction mechanism, and the automatic feeding is realized; simultaneously, through the displacement of drawing of predetermineeing automatic traction mechanism, realize the preliminary counterpoint of vibrating diaphragm and lower membrane, the rethread takes the assistance-localization real-time ware of negative pressure adsorption function and the cooperation of pressure measurement mechanism, realizes the accurate counterpoint of vibrating diaphragm in lower mould department to, when showing promotion work efficiency, effectively guarantee the die-cut accuracy nature of vibrating diaphragm, guarantee the yields.

Drawings

The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.

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

FIG. 2 is a schematic view of an assembly structure of the auxiliary positioner and the pressure detection mechanism of the present invention;

fig. 3 is a schematic perspective view of the pressure detecting mechanism of the present invention;

fig. 4 is a schematic view of the internal structure of the pressure detecting mechanism of the present invention;

fig. 5 is a schematic structural view of the auxiliary pressing mechanism of the present invention.

In the figure: 1. a work table; 2. an automatic punching device; 3. a guide mechanism; 3a, a guide support; 3b, a horizontal guide groove; 3c, limiting and pressing the sheet; 4. an automatic traction mechanism; 4a, a linear guide rail; 4b, a sliding seat; 4c, a pneumatic finger; 4d, a horizontal driving mechanism; 4e, a splint; 4f, driving a screw rod; 4g, a servo motor; 4h, driving the threaded sleeve; 5. punching; 5a, a communication hole; 6. an upper die; 7. a lower die; 8. an auxiliary locator; 8a, a cylindrical portion; 8b, a guide positioning part; 8c, negative pressure holes; 8d, connecting holes; 9. a pressure detection mechanism; 9a, a vacuum generator; 9b, a vacuum cavity; 9c, a vacuum port; 9d, an air inlet; 9e, mounting holes; 9f, a guide communication hole; 9g, a sliding rod; 9h, yielding gaps; 9i, a detection rod; 9j, a sensor; 9k, a sealing ring; 9l of return spring; 9m, a limiting ring; 10. a negative pressure tube; 11. an auxiliary positioning mechanism; 11a, a mounting plate; 11b, a mounting seat; 11c, positioning a cylinder; 11d, positioning a thimble; 12. an auxiliary pressing mechanism; 12a, pressing and pasting the base; 12b, a horizontal double-rod cylinder; 12c, a gas ejector tube; 12d, gas injection holes; 13. a stocker; 13a, a material storage pipe; 13b, a positioning ring; 13c, a limit cap; 13d, a first connecting lug; 13e, a second engaging lug; 13f, an elastic tensioning member; 13g, connecting rods; 13h, connecting a spring; 13i, a positioning hook part; 14. a membrane vibrating strip upper picking mechanism; 14a, a support for upper picking; 14b, a vertical double-rod cylinder; 14c, vibrating the membrane strip and putting the cantilever on a frame; 14d, a support plate; 14e, an upper ram.

Detailed Description

Referring to fig. 1, the vibrating diaphragm automatic punching device of the present invention comprises a workbench 1, wherein an automatic punching device 2 is arranged on the workbench 1, and a guide mechanism 3 adapted to a vibrating diaphragm strip to be punched is arranged at a side edge of the automatic punching device 2; an automatic traction mechanism 4 for drawing the vibrating membrane strip to be punched to move is arranged on the workbench 1; automatic die-cut device 2 includes punch press 5, is provided with last mould 6 and the lower mould 7 of the die-cut vibrating diaphragm of mutually supporting on punch press 5, is provided with assistance-localization real-time ware 8 in

lower mould

7, 8 up end of assistance-localization real-time ware and the vibrating diaphragm of treating on the die-cut vibrating diaphragm strip suit. The auxiliary positioner and the lower die can be of an integral structure or a split structure, and the auxiliary positioner and the lower die can be of a split structure according to specific conditions.

The auxiliary positioner 8 is connected with a compressed air source in a conduction mode through a negative pressure pipe 10, and the auxiliary positioner 8 fixes the diaphragm to be punched through negative pressure adsorption; the negative pressure pipe 10 is provided with a pressure detection mechanism 9, and when the pressure detection mechanism 9 detects the negative pressure at the end of the auxiliary positioner 8, the punching machine 5 is controlled by an external controller to act to perform punching.

Preferably, the number of the guide mechanisms 3 is two, and the two guide mechanisms 3 are respectively arranged at two sides of the automatic punching device 2, so that the vibrating diaphragm strip can be kept stable when passing through the automatic punching device, and the punching precision is improved. The guide mechanism 3 consists of a guide support 3a fixed on the workbench 1, a horizontal guide groove 3b fixed on the guide support 3a along the horizontal direction and a limiting pressing sheet 3c arranged on the end face of the opening part of the horizontal guide groove 3 b; the horizontal guide groove 3b is arranged along the advancing direction of the diaphragm strip to be punched.

In the embodiment, the automatic traction mechanism 4 is positioned behind the automatic punching device 2 along the advancing direction of the diaphragm strip to be punched; the automatic traction mechanism 4 comprises a linear guide rail 4a which is positioned at the side edge of the punched strip-shaped vibration film leftover material and is parallel to the strip-shaped vibration film leftover material, a sliding seat 4b which is arranged on the linear guide rail 4a in a sliding way, a pneumatic finger 4c which is fixed on the sliding seat 4b and corresponds to the vibration film strip to be punched and a horizontal driving mechanism 4d which is connected with the sliding seat 4 b; the two clamping jaws of the pneumatic finger 4c are respectively fixedly connected with clamping plates 4e matched with each other, matched rubber blocks are respectively arranged on the opposite end faces of the two clamping plates 4e, and the two rubber blocks are matched with each other to clamp and fix strip-shaped vibrating diaphragm leftover materials. The linear guide rail can ensure that the horizontal driving mechanism does not deviate when moving, thereby ensuring that the vibrating diaphragm strip moves straightly.

Preferably, the horizontal driving mechanism 4d comprises a driving screw rod 4f arranged in parallel with the linear guide rail 4a and a servo motor 4g connected and linked with the driving screw rod 4f, and the driving screw rod 4f is rotatably connected with the workbench 1 through a shaft seat; and a driving thread sleeve 4h in threaded connection with the driving screw rod 4f is fixedly connected to the sliding seat 4 b. The servo motor stops and the displacement of slide can be controlled through the number of the servo motor rotation turns, also can be controlled through sensor cooperation slide, in this embodiment, the slide side is provided with two sensors for two stop positions of control slide, through the sensor, servo motor's positive and negative rotation is controlled.

Further preferably, an auxiliary positioning mechanism 11 is arranged on the side edge of the guide mechanism 3 between the automatic punching device 2 and the automatic traction mechanism 4; the auxiliary positioning mechanism 11 is composed of a mounting plate 11a, a mounting seat 11b sleeved on the mounting plate 11a, a positioning cylinder 11c which is fixed on the mounting seat 11b along the vertical direction and is positioned above the punched strip-shaped vibrating diaphragm leftover bits, and a positioning thimble 11d which is fixedly connected with the free end of a piston rod of the positioning cylinder 11c and is opposite to the punched strip-shaped vibrating diaphragm leftover bits; when the two clamping jaws of the pneumatic finger 4c are opened, the positioning ejector pin 11d presses down and fixes the punched strip-shaped vibration film leftover material, and when the two clamping jaws of the pneumatic finger 4c are folded to clamp the punched strip-shaped vibration film leftover material, the positioning ejector pin 11d ascends. Because the clamping jaw drags to realize that the vibrating diaphragm strip removes for intermittent type centre gripping, when the clamping jaw unclamps, probably there is the vibrating diaphragm strip because both ends traction force or dead weight produce the possibility of slight displacement, and slight displacement probably causes the die-cut inaccuracy of vibrating diaphragm, consequently preferably adds establishes auxiliary positioning mechanism, through mutually supporting of location thimble and clamping jaw, guarantees that the vibrating diaphragm is in the steady not displacement state constantly to guarantee die-cut accuracy.

In this embodiment, the lower die 7 is a first circular metal sleeve fixed on a machine table of the punch 5, and the outer diameter of the first circular metal sleeve is the same as the outer diameter of the vibrating diaphragm; go up mould 6 for fixing on 5 sliders of punch press and the circular metal sleeve body of second relative with lower mould 7, the internal diameter of the circular metal sleeve body of this second is the same with the external diameter of the circular metal sleeve body of first, goes up mould 6 and lower mould 7 cooperation and die-cut the separation out with the vibrating diaphragm from waiting to die-cut vibrating diaphragm strip.

The auxiliary positioner 8 consists of a cylindrical part 8a sleeved in the inner hole of the lower die 7 and a guide positioning part 8b integrally formed on the upper end surface of the cylindrical part 8 a; the guide positioning part 8b is an annular bulge which is in one-to-one correspondence with the annular groove on the vibrating diaphragm, and each annular bulge is concentrically arranged and has an isosceles triangle-shaped cross section along the axial direction.

A negative pressure hole 8c is axially formed in the center of the auxiliary positioner 8, a connecting hole 8d communicated with the negative pressure hole 8c is formed in the side wall of the auxiliary positioner 8, a yielding hole opposite to the connecting hole 8d is formed in the lower die, and the negative pressure pipe 10 penetrates through the yielding hole through a quick coupling to be connected with the connecting hole 8 d.

The design of assistance-localization real-time ware becomes the same with the vibrating diaphragm shape, when the negative pressure adsorbs, and it is protruding with a plurality of annular of axle center, can play ingenious slight guide effect, guarantees that the vibrating diaphragm is attached before die-cut on assistance-localization real-time ware to guarantee the absolute accuracy of vibrating diaphragm counterpoint, and then guarantee that the vibrating diaphragm 100% that the die-cut comes out is qualified and the quality as one.

Further preferably, the pressure detecting mechanism 9 comprises a vacuum generator 9a, and the vacuum generator 9a is provided with a vacuum port 9c for communicating the internal vacuum cavity 9b and an air inlet 9d connected with an external compressed air source pipeline; a mounting hole 9e extending toward the vacuum chamber 9b is provided in a side wall of the vacuum generator 9a, a guide communication hole 9f communicating with the vacuum chamber 9b is provided in a bottom portion of the mounting hole 9e, and a slide bar 9g is movably inserted into the guide communication hole 9 f.

A abdicating notch 9h for conducting the outside of the vacuum generator 9a is arranged on the side wall of the mounting hole 9e corresponding to one side of the slide bar 9g away from the guide communication hole 9f, a detection rod 9i which passes through the abdicating notch 9h and extends to the outside of the vacuum generator 9a is fixedly connected to one end of the slide bar 9g away from the guide communication hole 9f, and a sensor 9j matched with the detection rod 9i is fixed on the outer wall of the vacuum generator 9 a.

A sealing ring 9k matched with the mounting hole 9e is fixed on the outer wall of the sliding rod 9g, and the sliding rod 9g is connected with an elastic resetting component; under initial condition, the elastic reset assembly is in an extension state, the sealing ring 9k is positioned in the mounting hole 9e corresponding to the abdicating notch 9h, the detection rod 9i is far away from the sensor 9j, when the vacuum cavity 9b is in a vacuum state, the elastic reset assembly contracts, the sealing ring 9k is positioned in the mounting hole 9e between the abdicating notch 9h and the guide communication hole 9f, and the detection rod 9i is close to and triggers the sensor 9 j.

The cooperation of slide bar, sealing washer, elasticity reset assembly, test rod and sensor has realized the judgement to the auxiliary positioning ware absorption vibrating diaphragm situation ingeniously, and only when the auxiliary positioning ware successfully adsorbs fixed vibrating diaphragm, the slide bar just can take place the shrink under the negative pressure effect of vacuum chamber for thereby the test rod is close to the sensor and triggers it, gives the signal through the sensor, makes controller control punch press carry out die-cut action.

Further preferably, the elastic reset assembly consists of a reset spring 9l sleeved on the sliding rod 9g and a limit ring 9m fixedly arranged on the sliding rod 9 g; the return spring 9l is clamped between the limiting ring 9m and the inner bottom of the mounting hole 9 e. The elastic reset assembly ensures that after punching at each time, when negative pressure disappears, the slide bar drives the detection rod to reset and is far away from the sensor so as to prepare for next punching judgment.

Further preferably, in order to make the diaphragm quickly adhere to the auxiliary positioner, the diaphragm is prevented from adhering due to the characteristics of the diaphragm and the traction of the two sides. An auxiliary pressing mechanism 12 is arranged on the workbench 1 at the side of the lower die 7, and the auxiliary pressing mechanism 12 consists of a pressing seat 12a, a horizontal double-rod cylinder 12b arranged on the pressing seat 12a and an air injection pipe 12c fixed at the free end of a piston rod of the horizontal double-rod cylinder 12 b; a plurality of gas injection holes 12d are distributed on the side wall of the lower part of the free end of the gas injection pipe 12 c; lower mould 7 is located the place ahead of horizontal double-rod cylinder 12b piston rod, when automatic drive mechanism 4 pulls and waits to die-cut vibrating diaphragm strip to move towards lower mould 7, horizontal double-rod cylinder 12b drives jet-propelled pipe 12c and stretches out and wait that die-cut vibrating diaphragm blowout high-pressure gas makes and wait to die-cut vibrating diaphragm laminating on auxiliary locator 8 towards being located on the auxiliary locator 8, when pressure detection mechanism 9 detects the negative pressure of auxiliary locator 8 end, through the action execution die-cut of 5 movements of external control ware control horizontal double-rod cylinder 12b withdrawal re-control punch press.

Preferably, in order to realize continuous punching and improve punching efficiency, a communicating hole 5a communicated with the inner hole of the upper die 6 is formed in the sliding block of the punch 5, and the inner diameter of the communicating hole 5a is 0-5mm larger than that of the inner hole of the upper die 6; a storage container 13 is arranged at the upper end of the communication hole 5a, the storage container 13 comprises a storage pipe 13a detachably connected at the upper end of the communication hole 5a, and a positioning ring 13b corresponding to the storage pipe 13a is arranged on the sliding block of the punch 5. The stocker can realize the ingenious stacking and storage of the vibrating diaphragms, so that the equipment does not need to be manually kept beside the machine during working, personnel investment can be saved, and one worker can simultaneously keep a plurality of pieces of equipment without frequently collecting the vibrating diaphragms, thereby further saving the labor investment.

The upper end of the material storage pipe 13a is sleeved with a limiting cap 13c, the side wall of the limiting cap 13c is provided with two first connecting lugs 13d oppositely, the upper end face of the sliding block of the punch press 5 is provided with second connecting lugs 13e in one-to-one correspondence with the first connecting lugs 13d, and an elastic tensioning piece 13f is arranged between the first connecting lugs 13d and the corresponding second connecting lugs 13 e.

The elastic tensioning piece 13f consists of a connecting rod 13g hinged with the first connecting lug 13d and a connecting spring 13h fixed at the free end of the connecting rod 13 g; the free end of the connecting spring 13h is integrally formed with a positioning hook part 13i detachably connected with the second connecting lug 13 e. The arrangement of the limiting cap and the elastic tensioning piece can realize the quick assembly and disassembly of the storage pipe and simultaneously ensure that the storage pipe can not move vertically stably when the punch works.

Further preferably, a diaphragm strip picking-up mechanism 14 is arranged on the workbench 1 at the side of the lower die 7; the diaphragm strip upper picking mechanism 14 is composed of an upper picking support 14a, a vertical double-rod cylinder 14b fixed on the upper picking support 14a along the vertical direction, and a diaphragm strip upper picking frame 14c fixed at the free end of a piston rod of the vertical double-rod cylinder 14b along the horizontal direction.

The membrane vibrating strip upper cantilever 14c consists of a support plate 14d fixed at the free end of a piston rod of the vertical double-rod cylinder 14b and two upper cantilever rods 14e which are parallel and fixed on the support plate 14d at intervals; two upper ram rods 14e are respectively positioned at two sides of the lower die 7; when the punching machine 5 finishes punching, the vertical double-rod cylinder 14b drives the two upper ram rods 14e to ascend to push punched strip-shaped vibrating diaphragm leftover materials to the upper part of the lower die 7 and then retract and reset.

The vibrating diaphragm is arranged in a mode of selecting the mechanism, the vibrating diaphragm can be prevented from being sleeved on the outer wall of the lower diaphragm after being punched, and the problem that equipment failure alarm occurs and production efficiency is affected due to the fact that the vibrating diaphragm cannot move when being pulled is caused. The upper ram can ensure that after punching at each time, the vibrating membrane strip is lifted upwards to separate from the lower die, so that traction can be smoothly carried out at each time.

In this embodiment, the control and connection modes of the controller to each execution element are the prior art, and are not the technical points to be protected by the present invention, and are not described herein again.

The during operation passes guiding mechanism, automatic punching device and automatic drive mechanism with the vibrating diaphragm strip according to the preface, it is good to the manual counterpoint of vibrating diaphragm with the punch press position, the starting equipment, the assistance-localization real-time ware adsorbs fixed vibrating diaphragm, the punch press is die-cut back, the vibrating diaphragm is chosen the mechanism and is chosen vibrating diaphragm strip limit angle material after the die-cut on, automatic drive mechanism is according to sensor instruction antedisplacement fixed distance, the clamping jaw is loosened, the thimble of fixing a position simultaneously pushes down, servo motor reversal, the slide resets, then the clamping jaw folds, lift on the thimble of fixing a position simultaneously. In the reset process of the sliding seat, the punching machine quickly finishes punching, so that the automatic traction mechanism can continuously reciprocate to drag the vibrating diaphragm. The diaphragm strip which is not punched in the initial stage can be subjected to supplementary punching before the diaphragm strip is finally replaced with a new diaphragm strip.

The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.

Claims

1. A vibrating diaphragm automatic punching device comprises a workbench (1), and is characterized in that an automatic punching device (2) is arranged on the workbench (1), and a guide mechanism (3) matched with a vibrating diaphragm strip to be punched is arranged on the side edge of the automatic punching device (2); an automatic traction mechanism (4) for drawing the vibrating membrane strip to be punched to move is arranged on the workbench (1); the automatic punching device (2) comprises a punch (5), an upper die (6) and a lower die (7) which are matched with each other to punch the diaphragm are arranged on the punch (5), an auxiliary positioner (8) is arranged in the lower die (7), and the upper end surface of the auxiliary positioner (8) is matched with the diaphragm on the diaphragm strip to be punched;

the auxiliary positioner (8) is in conduction connection with a compressed air source through a negative pressure pipe (10), and the auxiliary positioner (8) fixes the diaphragm to be punched through negative pressure adsorption; the negative pressure pipe (10) is provided with a pressure detection mechanism (9), and when the pressure detection mechanism (9) detects the negative pressure at the end of the auxiliary positioner (8), the external controller controls the punch (5) to act to perform punching.

2. The automatic diaphragm punching device according to claim 1, wherein the number of the guide mechanisms (3) is two, and the two guide mechanisms (3) are respectively arranged at two sides of the automatic punching device (2); the guide mechanism (3) consists of a guide support (3a) fixed on the workbench (1), a horizontal guide groove (3b) fixed on the guide support (3a) along the horizontal direction and a limiting pressing sheet (3c) arranged on the end face of the opening part of the horizontal guide groove (3 b); the horizontal guide groove (3b) is arranged along the advancing direction of the diaphragm strip to be punched.

3. The automatic diaphragm punching device according to claim 1, wherein the automatic traction mechanism (4) is positioned behind the automatic punching device (2) along the advancing direction of the diaphragm strip to be punched; the automatic traction mechanism (4) comprises a linear guide rail (4a) which is positioned on the side edge of the punched strip-shaped vibrating diaphragm leftover material and is parallel to the strip-shaped vibrating diaphragm leftover material, a sliding seat (4b) which is arranged on the linear guide rail (4a) in a sliding way, a pneumatic finger (4c) which is fixed on the sliding seat (4b) and corresponds to the vibrating diaphragm strip to be punched and a horizontal driving mechanism (4d) which is connected with the sliding seat (4 b); the two clamping jaws of the pneumatic finger (4c) are respectively fixedly connected with clamping plates (4e) matched with each other, matched rubber blocks are respectively arranged on the opposite end faces of the two clamping plates (4e), and the two rubber blocks are matched with each other to clamp and fix strip-shaped vibrating diaphragm leftover materials.

4. The automatic diaphragm punching device according to claim 3, wherein the horizontal driving mechanism (4d) comprises a driving screw rod (4f) arranged in parallel with the linear guide rail (4a) and a servo motor (4g) connected and linked with the driving screw rod (4f), and the driving screw rod (4f) is rotatably connected with the workbench (1) through a shaft seat; and a driving thread sleeve (4h) in threaded connection with the driving screw rod (4f) is fixedly connected to the sliding seat (4 b).

5. The automatic diaphragm punching device according to claim 3, wherein an auxiliary positioning mechanism (11) is arranged at the side edge of the guide mechanism (3) between the automatic punching device (2) and the automatic traction mechanism (4); the auxiliary positioning mechanism (11) consists of a mounting plate (11a), a mounting seat (11b) sleeved on the mounting plate (11a), a positioning cylinder (11c) which is fixed on the mounting seat (11b) along the vertical direction and is positioned above the punched strip-shaped vibrating diaphragm leftover material, and a positioning thimble (11d) which is fixedly connected with the free end of a piston rod of the positioning cylinder (11c) and is opposite to the punched strip-shaped vibrating diaphragm leftover material; when the two clamping jaws of the pneumatic finger (4c) are opened, the positioning ejector pin (11d) presses down and fixes the punched strip-shaped vibrating diaphragm leftover material, and when the two clamping jaws of the pneumatic finger (4c) are folded to clamp the punched strip-shaped vibrating diaphragm leftover material, the positioning ejector pin (11d) rises.

6. The automatic diaphragm punching device according to claim 1, wherein the lower die (7) is a first circular metal sleeve fixed on a machine table of a punch (5), and the outer diameter of the first circular metal sleeve is the same as that of the diaphragm; the upper die (6) is a second circular metal sleeve body which is fixed on a sliding block of the punch (5) and is opposite to the lower die (7), the inner aperture of the second circular metal sleeve body is the same as the outer diameter of the first circular metal sleeve body, and the upper die (6) is matched with the lower die (7) to punch and separate the vibrating diaphragm from the vibrating diaphragm strip to be punched;

the auxiliary positioner (8) consists of a cylindrical part (8a) sleeved in the inner hole of the lower die (7) and a guide positioning part (8b) integrally formed on the upper end surface of the cylindrical part (8 a); the guide positioning parts (8b) are annular bulges which correspond to the annular grooves on the vibrating diaphragm one by one, and the annular bulges are concentrically arranged and have isosceles triangle-shaped sections along the axial direction;

the auxiliary positioner is characterized in that a negative pressure hole (8c) is axially formed in the center of the auxiliary positioner (8), a connecting hole (8d) communicated with the negative pressure hole (8c) is formed in the side wall of the auxiliary positioner (8), a yielding hole opposite to the connecting hole (8d) is formed in the lower die, and the negative pressure pipe (10) penetrates through the yielding hole through the quick connector to be connected with the connecting hole (8 d).

7. The automatic diaphragm punching equipment according to claim 1 or 6, wherein an auxiliary pressing mechanism (12) is arranged on the workbench (1) at the side of the lower die (7), and the auxiliary pressing mechanism (12) consists of a pressing seat (12a), a horizontal double-rod cylinder (12b) arranged on the pressing seat (12a) and an air injection pipe (12c) fixed at the free end of the piston rod of the horizontal double-rod cylinder (12 b); a plurality of gas injection holes (12d) are distributed on the side wall of the lower part of the free end of the gas injection pipe (12 c); lower mould (7) are located the place ahead of horizontal double-rod cylinder (12b) piston rod, when automatic drive mechanism (4) pull treat die-cut vibrating diaphragm strip towards lower mould (7) removal, horizontal double-rod cylinder (12b) drive jet-propelled pipe (12c) stretch out and towards being located the above-mentioned treating die-cut vibrating diaphragm blowout high-pressure gas of assistance locator (8) make treat that die-cut vibrating diaphragm laminating is above assistance locator (8), when pressure detection mechanism (9) detected the negative pressure of assistance locator (8) end, through external control ware control horizontal double-rod cylinder (12b) withdrawal and again control punch press (5) action execution die-cut.

8. The automatic diaphragm punching equipment according to claim 6, wherein a communicating hole (5a) communicated with the inner hole of the upper die (6) is formed in the sliding block of the punch (5), and the inner diameter of the communicating hole (5a) is 0-5mm larger than that of the inner hole of the upper die (6); a storage device (13) is arranged at the upper end of the communication hole (5a), the storage device (13) comprises a storage pipe (13a) detachably connected at the upper end of the communication hole (5a), and a positioning ring (13b) corresponding to the storage pipe (13a) is arranged on a sliding block of the punch (5);

a limiting cap (13c) is sleeved at the upper end of the material storage pipe (13a), two first connecting lugs (13d) are oppositely arranged on the side wall of the limiting cap (13c), second connecting lugs (13e) which are in one-to-one correspondence with the first connecting lugs (13d) are arranged on the upper end face of a sliding block of the punch (5), and an elastic tensioning part (13f) is arranged between each first connecting lug (13d) and the corresponding second connecting lug (13 e);

the elastic tensioning piece (13f) consists of a connecting rod (13g) hinged with the first connecting lug (13d) and a connecting spring (13h) fixed at the free end of the connecting rod (13 g); a positioning hook part (13i) detachably connected with the second connecting lug (13e) is integrally formed at the free end of the connecting spring (13 h).

9. The automatic diaphragm punching device according to claim 1, wherein a diaphragm strip picking mechanism (14) is arranged on the workbench (1) at the side of the lower die (7); the membrane vibrating strip upper picking mechanism (14) consists of an upper picking support (14a), a vertical double-rod cylinder (14b) fixed on the upper picking support (14a) along the vertical direction and a membrane vibrating strip upper picking frame (14c) fixed at the free end of a piston rod of the vertical double-rod cylinder (14b) along the horizontal direction;

the upper cantilever frame (14c) of the diaphragm vibrating strip consists of a support plate (14d) fixed at the free end of a piston rod of the vertical double-rod cylinder (14b) and two upper cantilever rods (14e) which are parallel and fixed on the support plate (14d) at intervals; two upper ram rods (14e) are respectively positioned at two sides of the lower die (7); when the punching machine (5) finishes punching action, the vertical double-rod cylinder (14b) drives the two upper ram rods (14e) to ascend so as to eject the punched strip-shaped vibrating diaphragm leftover materials to the upper part of the lower die (7) and then retract and reset.

10. The automatic diaphragm punching device according to claim 1, wherein the pressure detection mechanism (9) comprises a vacuum generator (9a), and the vacuum generator (9a) is provided with a vacuum port (9c) for communicating the internal vacuum cavity (9b) and an air inlet (9d) connected with an external compressed air source pipeline; a mounting hole (9e) extending towards the vacuum cavity (9b) is formed in the side wall of the vacuum generator (9a), a guide communication hole (9f) for conducting the vacuum cavity (9b) is formed in the bottom of the mounting hole (9e), and a sliding rod (9g) is movably arranged in the guide communication hole (9f) in a penetrating manner;

a abdicating notch (9h) for conducting the outside of the vacuum generator (9a) is arranged on the side wall of the mounting hole (9e) corresponding to one side of the sliding rod (9g) far away from the guide communication hole (9f), a detection rod (9i) which passes through the abdicating notch (9h) and extends to the outer side of the vacuum generator (9a) is fixedly connected to one end of the sliding rod (9g) far away from the guide communication hole (9f), and a sensor (9j) matched with the detection rod (9i) is fixed on the outer wall of the vacuum generator (9 a);

a sealing ring (9k) matched with the mounting hole (9e) is fixed on the outer wall of the sliding rod (9g), and the sliding rod (9g) is connected with an elastic resetting component; in an initial state, the elastic reset assembly is in an extension state, the sealing ring (9k) is positioned in the mounting hole (9e) corresponding to the abdicating notch (9h), the detection rod (9i) is far away from the sensor (9j), when the vacuum cavity (9b) is in a vacuum state, the elastic reset assembly contracts, the sealing ring (9k) is positioned in the mounting hole (9e) between the abdicating notch (9h) and the guide communication hole (9f), and the detection rod (9i) is close to and triggers the sensor (9 j);

the elastic reset assembly consists of a reset spring (9l) sleeved on the sliding rod (9g) and a limit ring (9m) fixedly arranged on the sliding rod (9 g); the return spring (9l) is clamped between the limiting ring (9m) and the inner bottom of the mounting hole (9 e).