CN216027347U

CN216027347U - Flanging and press riveting equipment capable of realizing automatic demolding

Info

Publication number: CN216027347U
Application number: CN202122540499.3U
Authority: CN
Inventors: 邓凌星; 涂桂根; 史丽
Original assignee: Shenzhen Yipeng Machinery Co ltd
Current assignee: Shenzhen Yipeng Machinery Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-03-15
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses flanging and riveting equipment for realizing automatic demoulding, which comprises a rack, a gas-liquid pressure cylinder, an upper die and a lower die, wherein the rack is provided with a support; the lower die is arranged on the frame, the gas-liquid pressure cylinder is arranged on the frame above the lower die, and the upper die is arranged on an output shaft of the gas-liquid pressure cylinder above the lower die; the lower die comprises a lower die rod, a flanging thimble, an elastic piece, a base and a lower die sleeve; the lower die rod is arranged on the machine frame, the flanging ejector pin is arranged in the lower die rod, the elastic element sleeve is arranged on the flanging ejector pin, the base is movably arranged on the flanging ejector pin above the elastic element, the top of the flanging ejector pin upwards penetrates out of the base, the side edge of the base is provided with a circle of protrusions, the lower die sleeve is arranged on the lower die rod above the protrusions, the top of the base upwards penetrates out of the lower die sleeve, and the lower die sleeve and the lower die rod are reserved with a moving space for movement of the base. The automatic demolding machine realizes automatic demolding, does not need manual demolding to take materials after the product is processed, saves time, improves production efficiency, has higher automation degree, and is worthy of great popularization.

Description

Flanging and press riveting equipment capable of realizing automatic demolding

Technical Field

The utility model relates to the technical field of press riveting equipment, in particular to flanging press riveting equipment capable of realizing automatic demolding.

Background

For a part of sheet metal parts, the sheet metal parts need to be flanged for next assembly, so that flanging riveting equipment is provided in the market, and the flanging problem of the sheet metal parts is solved. At present, the existing flanging and riveting equipment adopts manual demoulding, namely after the flanging of a sheet metal part is finished, the processed sheet metal part needs to be taken away manually, so that automatic demoulding cannot be realized, the automation degree is low, and the production efficiency is not high; on the other hand, the existing gas-liquid pressure cylinder of the turning-over riveting equipment adopts the design of a single-section long spring, the longer the spring is, the smaller the stiffness coefficient of the spring is, namely the smaller the elastic force provided by the spring is, so the smaller the pressure which can be output by the gas-liquid pressure cylinder is, and the longer the spring is, the more easily the spring swings, the worse the stability is, so that the gas-liquid pressure cylinder is easily interfered by the swinging of the spring inside in the high-speed operation to cause the unstable operation condition, the worse the operation stability is and the poor processing effect is; on the other hand, the existing gas-liquid pressure cylinder of the turning-over pressure riveting equipment is not internally provided with a limiting structure aiming at the oil storage piston, so that the oil storage piston is easy to be out of position in long-term high-speed operation, namely the stroke of the oil storage piston cannot be controlled, the normal operation of the gas-liquid pressure cylinder is interfered, and adverse effects on processing can be possibly caused.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides flanging and riveting equipment for realizing automatic demoulding.

The technical scheme of the utility model is as follows:

the utility model provides a realize turn-ups pressure riveting equipment of automatic drawing of patterns, includes: the device comprises a frame, a gas-liquid pressure cylinder, an upper die and a lower die; the lower die is arranged on the rack, the gas-liquid pressure cylinder is arranged on the rack above the lower die, the upper die is connected to an output shaft of the gas-liquid pressure cylinder above the lower die, the lower die is used for positioning and placing a product, matching with the upper die to perform flanging processing on the product and realizing automatic demoulding of the product, the gas-liquid pressure cylinder is used as a power source, and the upper die is used for matching with the lower die to perform flanging processing on the product under the driving of the gas-liquid pressure cylinder;

the lower mould includes lower die rod, turn-ups thimble, elastic component, base and lower die sleeve, be equipped with the die holder in the frame, lower die rod sets up on the die holder, the turn-ups thimble sets up in the lower die rod, the elastic component cover is established on the turn-ups thimble, the base in the elastic component top activity from top to bottom sets up on the turn-ups thimble, just the top of turn-ups thimble upwards wears out the base, the side of base is equipped with the round arch, lower die sleeve in protruding top sets up on the lower die rod, just the top of base upwards wears out lower die sleeve, lower die sleeve with the activity space is all reserved to lower die rod, and this activity space is used for supplying the base activity is used for.

Further, the gas-liquid pressurization cylinder comprises a first gas-liquid cylinder, a hydraulic cylinder and a second gas-liquid cylinder; one end of the first pneumatic cylinder is connected to the frame above the base, an output shaft of the first pneumatic cylinder penetrates out of the frame downwards and is connected with the upper die, the other end of the first pneumatic cylinder is connected with one end of the hydraulic cylinder, and the other end of the hydraulic cylinder is connected with the second pneumatic cylinder; the second pneumatic cylinder comprises a second end cover, a second cylinder barrel, a pressurizing piston, a pressurizing rod, a connector, a first spring, a second spring, a limiter and an oil storage piston; one end of the second cylinder barrel is connected with the second end cover, the other end of the second cylinder barrel is connected with the hydraulic cylinder, the boosting piston can be movably arranged in the second cylinder barrel up and down, and the boosting piston, the second cylinder barrel and the second end cover jointly enclose a boosting air cavity; one end of the pressure increasing rod is connected to the pressure increasing piston, the other end of the pressure increasing rod is arranged in the second cylinder barrel, and the pressure increasing rod moves in the same direction along with the movement of the pressure increasing piston; the connector and the oil storage piston are sequentially arranged on the pressure increasing rod from top to bottom, the oil storage piston moves in the same direction along with the movement of the pressure increasing rod, and the oil storage piston plays a role in storing oil; the limiter is arranged in the second cylinder barrel below the connector and above the oil storage piston, and stroke control of the oil storage piston is realized through the limiter; one end of the first spring is connected with the pressurizing piston, the other end of the first spring is connected with the connector, and elastic force is provided between the pressurizing piston and the connector; one end of the second spring is connected with the oil storage piston, the other end of the second spring is connected with the connector, and an elastic force is provided between the connector and the oil storage piston.

Further, the first pneumatic cylinder comprises a first end cover, a first cylinder barrel, a fast-forward piston and a piston rod, and the hydraulic cylinder comprises a hydraulic cylinder barrel and an isolator; one end of the isolator is connected with one end of the second cylinder barrel, the other end of the isolator is connected with one end of the hydraulic cylinder barrel, an isolation hole is formed in the position, corresponding to the pressure increasing rod, of the isolator, and the isolation hole is used for enabling the pressure increasing rod to move and supplying hydraulic oil to circulate; one end of the first cylinder barrel is connected with one end of the hydraulic cylinder barrel, the fast forward piston can be movably arranged in the first cylinder barrel up and down, the other end of the first cylinder barrel is connected with one end of the first end cover, the other end of the first end cover is connected to the rack above the base, the piston rod penetrates through the fast forward piston, the piston rod moves in the same direction along with the movement of the fast forward piston, one end of the piston rod penetrates through the first cylinder barrel upwards and is movably arranged in the hydraulic cylinder barrel, and the other end of the piston rod penetrates through the first end cover and the rack downwards in sequence and is connected with the upper die; the second cylinder barrel, the oil storage piston, the booster rod, the isolator, the hydraulic cylinder barrel and the piston rod jointly enclose a booster liquid cavity, and hydraulic oil is filled in the booster liquid cavity in advance; the hydraulic cylinder barrel, the piston rod, the fast-forward piston and the first cylinder barrel jointly enclose a fast-pressure air cavity, a first air pipe joint and a second air pipe joint are respectively arranged on the hydraulic cylinder barrel, a pressurization air channel is arranged on the second end cover, one end of the first air pipe joint is communicated with an air source, the other end of the first air pipe joint is communicated with the fast-pressure air cavity, one end of the second air pipe joint is communicated with the fast-pressure air cavity, the other end of the second air pipe joint is communicated with the pressurization air channel, and the pressurization air channel is also communicated with the pressurization air cavity; the first cylinder barrel, the fast-forward piston, the piston rod and the first end cover jointly enclose a reset air cavity, a third air pipe connector and a fourth air pipe connector are arranged on the first end cover respectively, one end of the third air pipe connector is communicated with an air source, the other end of the third air pipe connector is communicated with the reset air cavity, one end of the fourth air pipe connector is communicated with the reset air cavity, and the other end of the fourth air pipe connector is communicated with the pressurization air circuit.

Further, the pressurization gas circuit comprises a gas control valve, a first gas pipe and a second gas pipe; the upper part of the pneumatic control valve is provided with a first connector, the pneumatic control valve is connected to the second end cover through the first connector, the second end cover is also provided with a pressurization air passage which is matched with the pressurization air passage and communicated with the pressurization air cavity, and the pneumatic control valve is communicated with the pressurization air passage through the first connector; the lower part of the pneumatic control valve is respectively provided with a second joint and a silencer, one end of the first air pipe is communicated with the second joint, the other end of the first air pipe is communicated with the second air pipe joint, and the silencer is used for exhausting air for the pneumatic control valve; the right side of the pneumatic control valve is provided with a third connector, one end of the second air pipe is communicated with the third connector, and the other end of the second air pipe is communicated with the fourth air pipe connector.

Further, the upper die comprises an upper die sleeve and a pressure rod; the upper die sleeve is connected to one end, through which the piston rod penetrates out of the rack downwards, of the piston rod, the pressing rod is connected to the upper die sleeve above the base, a flanging hole is formed in the position, corresponding to the flanging thimble, of the pressing rod, and the flanging hole is used for being matched with the flanging thimble to use.

Furthermore, the bottom of the flanging ejector pin is provided with a positioning groove, the lower die rod is provided with a positioning hole at a position corresponding to the positioning groove, a positioning screw is arranged in the positioning hole, and the positioning screw is used for positioning and locking the flanging ejector pin in the lower die rod so as to prevent the flanging ejector pin from moving.

Furthermore, the pressurizing piston is sequentially sleeved with a first air seal and a second air seal from top to bottom, and the first air seal and the second air seal play a role in sealing and preventing air leakage.

Furthermore, a first oil seal and a second oil seal are sequentially arranged in the hydraulic cylinder barrel from top to bottom, multiple seals are formed by the first oil seal and the second oil seal to prevent oil leakage, the piston rod is provided with a pressurizing hole, and the pressurizing hole is used for reducing the load of the oil seals;

the hydraulic cylinder barrel is arranged below the second oil seal and sequentially provided with a third air seal, a wear-resistant belt and a fourth air seal from top to bottom, and the fast-forward piston is sequentially sleeved with a fifth air seal and a sixth air seal from top to bottom to play a role in sealing and preventing air leakage.

Furthermore, a seventh air seal matched with the piston rod for use is arranged in the first end cover, and high-pressure air is prevented from leaking downwards from a gap between the piston rod and the first end cover through the seventh air seal, so that the effect of sealing and preventing air leakage is achieved.

Further, the isolator is a high-low pressure isolating ring and plays a role in isolating high pressure from low pressure.

By adopting the scheme, the utility model has the following beneficial effects:

1. the design of the utility model realizes automatic demoulding, manual demoulding and material taking are not needed after the product is processed, thus saving time, improving production efficiency, having higher automation degree and exquisite design, and being worth of great social popularization;

2. according to the design of the gas-liquid pressure cylinder in the optimized scheme, the provided elasticity is larger, larger pressure can be output, and the time required by resetting is shortened, so that the production period can be shortened to improve the efficiency;

3. the application of the limiter in the optimized scheme realizes the stroke control of the oil storage piston, ensures that the oil storage piston cannot be out of position in long-term high-speed operation, has more stable output and ensures the normal operation of the gas-liquid pressure cylinder;

4. in the preferred scheme, high-pressure gas in the quick-pressure gas cavity is used as a gas source of the pressurization gas cavity, and only one external gas source is needed for realizing the quick pre-pressing action and the stamping action, so that the structure is simplified, and the cost is reduced;

5. the design that sets up a plurality of oil sealings in the hydraulic cylinder among the preferred scheme realizes multiple sealed, can effectively prevent the oil leak to through the design that sets up the pressure boost hole on the piston rod, alleviateed the load of oil blanket, make the oil blanket more durable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of a compression bar, product, lower die structure of the present invention;

FIG. 3 is a cross-sectional view taken at view A-A of FIG. 2;

FIG. 4 is a front view of the gas and liquid booster cylinder of the present invention;

FIG. 5 is a cross-sectional view taken at view B-B of FIG. 4;

FIG. 6 is a side view of the air and liquid booster cylinder of the present invention;

fig. 7 is a cross-sectional view at view C-C of fig. 6.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Referring to fig. 1 to 7, the utility model provides flanging and riveting equipment for realizing automatic demoulding, which comprises a frame 1, a gas-liquid pressure cylinder 2, an upper die 3 and a lower die 4; the frame 1 is provided with a die holder 5, the lower die 4 is arranged on the die holder 5, the gas-liquid pressure cylinder 2 is arranged on the frame 1 above the lower die 4, an output shaft of the gas-liquid pressure cylinder 2 is arranged downwards, the upper die 3 is connected to the output shaft of the gas-liquid pressure cylinder 2 above the lower die 4, the lower die 4 is used for positioning and placing a product 6, and is used for matching with the upper die 3 to perform flanging processing on the product 6 and realizing automatic demoulding of the product 6, the gas-liquid pressure cylinder 2 is used as a power source, so that the upper die 3 completes flanging processing on the product 6 under the matching of the lower die 4, namely the upper die 3 is used for matching with the lower die 4 to perform flanging processing on the product 6 under the driving of the gas-liquid pressure cylinder 2; that is to say, product 6 is positioned and placed on lower mould 4 in actual production, the gas-liquid pressure cylinder 2 drives the upper mould 3 to descend, the upper mould 3 is tightly pressed on the product 6 to complete quick prepressing action, the gas-liquid pressure cylinder 2 drives the upper mould 3 to further descend, the product 6 is turned over under the action of the upper mould 3 and the lower mould 4, after the processing is completed, the gas-liquid pressure cylinder 2 drives the upper mould 3 to reset, at the moment, the product 6 is automatically separated from the lower mould 4 under the action of the lower mould 4, so that the automatic demoulding of the product 6 is completed, and the processed product 6 can be automatically demoulded under the action of the lower mould 4, so that an operator or an external manipulator can place another product 6 on the lower mould 4 only after the lower mould 4 completes the demoulding, the material taking is not needed, the material discharging is only needed, the time is saved, the production efficiency is improved, and the automation degree is higher.

The lower die 4 comprises a lower die rod 7, a flanging thimble 8, an elastic piece, a base 10 and a lower die sleeve 11, the lower die rod 7 is arranged on the die holder 5, the flanging thimble 8 is arranged in the lower die rod 7, the elastic piece (not shown in the figure) is sleeved on the flanging thimble 8, the elastic piece preferably adopts a spring, the base 10 is movably arranged on the flanging thimble 8 up and down above the elastic piece, the top of the flanging thimble 8 upwards penetrates through the base 10, the side edge of the base 10 is provided with a circle of bulges, the lower die sleeve 11 is arranged on the lower die rod 7 above the bulges, the top of the base 10 upwards penetrates through the lower die sleeve 11, and the lower die sleeve 11 and the lower die rod 7 are both reserved with a movable space for the activity of the base 10; in actual production, a product 6 is positioned and placed on a structure formed by a base 10 and a flanging thimble 8, an upper die 3 is driven by a gas-liquid pressure cylinder 2 to press the product 6 on the structure formed by the base 10 and the flanging thimble 8, the upper die 3 is driven by the gas-liquid pressure cylinder 2 to further punch the product 6, the flanging thimble 8 keeps static, the base 10 moves downwards under the action of the pressure transmitted by the product 6, the product 6 completes flanging processing under the action of the upper die 3, the flanging thimble 8 and the base 10, at the moment, a spring is compressed, after the processing is completed, the gas-liquid pressure cylinder 2 drives the upper die 3 to reset, at the moment, the base 10 is not pressed, the spring extends, the base 10 moves upwards under the elastic force provided by the spring, the product 6 is pushed by the base 10, the product 6 is separated from the flanging thimble 8, and automatic demolding of the product 6 is completed; further, the air conditioner is provided with a fan,

in order to prevent the movement of the flanging thimble 8, the bottom of the flanging thimble 8 is provided with a positioning groove, the lower die rod 7 is provided with a positioning hole 12 corresponding to the positioning groove, a positioning screw (not shown in the figure) is arranged in the positioning hole 12 and used for positioning and locking the flanging thimble 8 in the lower die rod 7, so that the flanging thimble 8 can be effectively prevented from moving, and the processing quality is guaranteed.

The gas-liquid pressure cylinder 2 comprises a first gas cylinder 13, a hydraulic cylinder 14 and a second gas cylinder 15 which are sequentially connected in series from bottom to top, one end of the first gas cylinder 13 is connected to the frame 1 above the base 10, an output shaft of the first gas cylinder 13 penetrates out of the frame 1 downwards and is connected with the upper die 3, the other end of the first gas cylinder 13 is connected with one end of the hydraulic cylinder 14, and the other end of the hydraulic cylinder 14 is connected with the second gas cylinder 15; the first pneumatic cylinder 13 and the hydraulic cylinder 14 jointly enclose a fast-pressing air cavity, a first air pipe joint 16 is arranged on the hydraulic cylinder 14, one end of the first air pipe joint 16 is communicated with an air source, the other end of the first air pipe joint 16 is communicated with the fast-pressing air cavity, and high-pressure air provided by the air source is input into the fast-pressing air cavity through the first air pipe joint 16 during processing, so that an output shaft of the first pneumatic cylinder 13 is pressed downwards, and the fast pre-pressing action is finished; the hydraulic cylinder 14, the second pneumatic cylinder 15 and the first pneumatic cylinder 13 jointly enclose a pressurizing liquid cavity, and hydraulic oil is filled in the pressurizing liquid cavity in advance; the second pneumatic cylinder 15 is surrounded to form a pressurized air cavity, a pressurized air path is arranged on the second pneumatic cylinder 15, a second air pipe joint 17 is further arranged above the first air pipe joint 16 of the hydraulic cylinder 14, one end of the second air pipe joint 17 is communicated with the fast pressurized air cavity, the other end of the second air pipe joint 17 is communicated with the pressurized air path, the pressurized air path is further communicated with the pressurized air cavity, after the first pneumatic cylinder 13 completes the fast pre-pressing action, the air source cannot enable the output shaft of the first pneumatic cylinder 13 to continue to be pressed down, namely the fast pressurized air cavity reaches a balanced state, high-pressure air is continuously provided along with the air source, the high-pressure air in the fast pressurized air cavity is sequentially input into the pressurized air cavity through the second air pipe joint 17 and the pressurized air path, so that the second pneumatic cylinder 15 applies a pressure to the pressurized liquid cavity, and hydraulic oil in the pressurized liquid cavity applies pressure to the first pneumatic cylinder 13, the function of pressurization is achieved, so that the output shaft of the first pneumatic cylinder 13 is further pressed down under the action of an air source and the superposition of the pressure exerted by the hydraulic oil, and the product 6 is flanged after the punching action is finished; the first pneumatic cylinder 13 is surrounded to form a reset air cavity, the first pneumatic cylinder 13 is provided with a third air pipe connector 18 and a fourth air pipe connector 19, one end of the third air pipe connector 18 is communicated with an air source, the other end of the third air pipe connector 18 is communicated with the reset air cavity, high-pressure air provided by the air source during resetting is input into the reset air cavity through the third air pipe connector 18, an output shaft of the first pneumatic cylinder 13 is lifted, so that resetting is completed, one end of the fourth air pipe connector 19 is communicated with the reset air cavity, the other end of the fourth air pipe connector 19 is communicated with the pressurization air path, and when the output shaft of the first pneumatic cylinder is pressed downwards, the high-pressure air in the reset air cavity enters the pressurization air path through the fourth air pipe connector 19;

the first pneumatic cylinder 13 comprises a first end cover 20, a first cylinder 21, a fast-forward piston 22 and a piston rod 23, the hydraulic cylinder 14 comprises a hydraulic cylinder 24 and an isolator 25, and the second pneumatic cylinder 15 comprises a second end cover 26, a second cylinder 27, a booster piston 28, a booster rod 29, a connector 30, a first spring 31, a second spring 32, a stopper 33 and an oil storage piston 34; the second cylinder 27 preferably has a cylindrical hollow structure, the upper part of the second cylinder 27 is connected with the lower part of the second end cap 26, the second end cap 26 is provided with the pressurization gas path, the second end cap 26 is further provided with a pressurization gas path used in cooperation with the pressurization gas path, one end of the pressurization gas path is communicated with the pressurization gas path, and the other end of the pressurization gas path is communicated with the pressurization gas cavity, so that high-pressure gas input through the pressurization gas path can be conveyed into the pressurization gas cavity through the pressurization gas path; the pressurizing piston 28 is movably arranged in the second cylinder 27 up and down below the second end cover 26, the pressurizing piston 28, the second cylinder 27 and the second end cover 26 together enclose the pressurizing air cavity, in order to avoid air leakage of the pressurizing air cavity, the pressurizing piston 28 is sequentially sleeved with a first air seal 35 and a second air seal 36 from top to bottom, and the first air seal 35 and the second air seal 36 play a role in sealing, so that air leakage of the pressurizing air cavity can be effectively prevented; the upper part of the pressure increasing rod 29 is connected to the pressure increasing piston 28, the lower part of the pressure increasing rod 29 is arranged in the second cylinder 27, and the pressure increasing rod 29 moves in the same direction along with the movement of the pressure increasing piston 28; the connector 30 and the oil storage piston 34 are sequentially arranged on the pressure increasing rod 29 from top to bottom, the lower part of the pressure increasing rod 29 penetrates through the oil storage piston 34 downwards, the oil storage piston 34 moves in the same direction along with the movement of the pressure increasing rod 29, and the oil storage piston 34 plays a role in oil storage and can effectively prevent hydraulic oil in the hydraulic cylinder 14 from permeating upwards; the stopper 33 is arranged in the second cylinder 27 below the connector 30 and above the oil storage piston 34, the stopper 33 is used for limiting the stroke of the oil storage piston 34, the stroke control of the oil storage piston 34 is realized through the stopper 33, the oil storage piston 34 can be effectively prevented from being out of position, the normal work of the gas-liquid pressure cylinder 2 is guaranteed, and particularly, the stopper 33 is preferably a snap spring; one end of the first spring 31 is connected with the pressurizing piston 28, and the other end of the first spring 31 is connected with the connector 30, so that an elastic force is provided between the pressurizing piston 28 and the connector 30; one end of the second spring 32 is connected to the oil storage piston 34, and the other end of the second spring 32 is connected to the connector 30, so as to provide an elastic force between the connector 30 and the oil storage piston 34; the hydraulic cylinder barrel 24 preferably adopts a cylindrical hollow structure, the upper part of the isolator 25 is connected with the lower part of the second cylinder barrel 27, the lower part of the isolator 25 is connected with the upper part of the hydraulic cylinder barrel 24, a through isolating hole is formed in the position of the isolator 25 corresponding to the pressure increasing rod 29, the isolating hole is used for the movement of the pressure increasing rod 29 and the circulation of hydraulic oil, and particularly, the isolator 25 preferably adopts a high-low pressure isolating ring and can play a role in isolating high pressure and low pressure; the first cylinder 21 preferably adopts a cylindrical hollow structure, the upper part of the first cylinder 21 is connected with the lower part of the hydraulic cylinder 24, the fast-forward piston 22 can be movably arranged in the first cylinder 21 up and down, one end of the first end cover 20 is connected to the lower part of the first cylinder 21 below the fast-forward piston 22, the other end of the first end cover 20 is connected to the frame 1 above the base 10, the piston rod 23 is arranged on the fast-forward piston 22 in a penetrating manner, the piston rod 23 moves in the same direction along with the movement of the fast-forward piston 22, the upper part of the piston rod 23 penetrates through the first cylinder 21 upwards and is movably arranged in the hydraulic cylinder 24 up and down, and the lower part of the piston rod 23 penetrates through the first end cover 20 and the frame 1 downwards in sequence and is connected with the upper die 3; the second cylinder 27, the oil storage piston 34, the pressure increasing rod 29, the isolator 25, the hydraulic cylinder 24 and the piston rod 23 jointly enclose the pressure increasing liquid cavity, in order to avoid oil leakage of the pressure increasing liquid cavity, a first oil seal 37 and a second oil seal 38 are sequentially arranged in the lower part of the hydraulic cylinder 24 from top to bottom, the piston rod 23 is sequentially inserted into the hydraulic cylinder 24, the first oil seal 37, the second oil seal 38, the first cylinder 21, the fast-forward piston 22 and the first end cover 20 from the top of the hydraulic cylinder 24 to complete installation during installation, namely, one end of the piston rod 23 sequentially penetrates through the first oil seal 37, the second oil seal 38, the hydraulic cylinder 24, the fast-forward piston 22, the first cylinder 21 and the first end cover 20, hydraulic oil is prevented from seeping out from a gap between the piston rod 23 and the hydraulic cylinder 24 through the first oil seal 37 and the second oil seal 38 during use, namely, multiple sealing is formed by the first oil seal 37 and the second oil seal 38, the multi-sealing function is achieved, oil leakage is effectively prevented, and meanwhile, in order to reduce the load of the first oil seal 37 and the second oil seal 38, a pressurizing hole is formed downwards in the top of the piston rod 23, so that the oil sealing effect is good; the hydraulic cylinder 24, the piston rod 23, the fast-forward piston 22 and the first cylinder 21 together enclose the fast-pressure air cavity, the hydraulic cylinder 24 is sequentially provided with the first air pipe joint 16 and the second air pipe joint 17 from top to bottom, in order to avoid air leakage of the fast-pressure air cavity, the hydraulic cylinder 24 is further sequentially provided with a third air seal 39, a wear-resistant belt 40 and a fourth air seal 41 from top to bottom below the second oil seal 38, the fast-forward piston 22 is sequentially sleeved with a fifth air seal 42 and a sixth air seal 43 from top to bottom, when in use, high-pressure air is prevented from upwards leaking from a gap between the piston rod 23 and the hydraulic cylinder 24 through the third air seal 39 and the fourth air seal 41, and high-pressure air is prevented from downwards leaking from a gap between the fast-forward piston 22 and the first cylinder 21 through the fifth air seal 42 and the sixth air seal 43, so that a sealing effect is achieved; the first cylinder 21, the fast-forward piston 22, the piston rod 23 and the first end cover 20 jointly enclose the reset air cavity, the first end cover 20 is respectively provided with the third air pipe joint 18 and the fourth air pipe joint 19, in order to avoid air leakage of the reset air cavity, a seventh air seal 44 matched with the piston rod 23 is arranged in the first end cover 20, and when the air-tight structure is used, high-pressure air is prevented from leaking downwards from a gap between the piston rod 23 and the first end cover 20 through the seventh air seal 44, so that a sealing effect is achieved, and the air leakage phenomenon is effectively prevented;

the pressurization gas circuit comprises a gas control valve 45, a first gas pipe 46 and a second gas pipe 47, a first connector 48 is arranged at the upper part of the gas control valve 45, the gas control valve 45 is connected to the second end cover 26 through the first connector 48, the gas control valve 45 is communicated with the pressurization gas channel through the first connector 48, so that the gas control valve 45 can be communicated with a pressurization gas cavity, a second connector 49 and a silencer 50 are respectively arranged at the lower part of the gas control valve 45, one end of the first gas pipe 46 is communicated with the second connector 49, the other end of the first gas pipe 46 is communicated with the second gas pipe connector 17, so that the gas control valve 45 can be communicated with a quick-pressure gas cavity, the silencer 50 is used for exhausting gas from the gas control valve 45, a third connector 51 is arranged at the right side of the gas control valve 45, one end of the second gas pipe 47 is communicated with the third connector 51, and the other end of the second gas pipe 47 is communicated with the fourth gas pipe connector 19, thereby enabling the pneumatic control valve 45 to communicate with the quick pressure air chamber.

The upper die 3 comprises an upper die sleeve 52 and a pressing rod 53, the upper die sleeve 52 is connected to one end of the piston rod 23 which penetrates out of the rack 1 downwards, the pressing rod 53 is connected to the upper die sleeve 52 above the base 10, a flanging hole 54 is formed in the position, corresponding to the flanging thimble 8, of the pressing rod 53, and the flanging hole 54 is used for being matched with the flanging thimble 8.

The working process and principle of the utility model are as follows: firstly, positioning and placing a product 6 to be processed on a structure formed by a base 10 and a flanging thimble 8, and preparing for preprocessing; then, starting the gas-liquid pressure cylinder 2, driving the upper die 3 to move downwards through the piston rod 23 of the gas-liquid pressure cylinder 2, and enabling the product 6 to be tightly pressed on the structure formed by the base 10 and the flanging thimble 8 through the pressure rod 53; then, the upper die 3 is driven by the gas-liquid pressure cylinder 2 to further punch the product 6, the flanging thimble 8 keeps static, the base 10 moves downwards under the action of the pressure transmitted by the product 6, the product 6 finishes flanging under the action of the upper die 3, the flanging thimble 8 and the base 10, and at the moment, the spring is compressed; after the processing is finished, the gas-liquid pressure cylinder 2 drives the upper die 3 to reset, the base 10 is not pressed, the spring extends, the base 10 moves upwards under the elastic force provided by the spring, the product 6 is pushed by the base 10, the product 6 is separated from the flanging thimble 8, and the automatic demoulding of the product 6 is finished, and at the moment, an operator or an external manipulator can directly place another product 6; the circulation is carried out, and the batch production can be realized.

It is worth mentioning that, first spring 31, connector 30 and second spring 32's application, traditional long spring design has been replaced, the elasticity that provides is bigger, can export bigger pressure, the required time that resets has been shortened simultaneously, thereby can shorten production cycle in order to raise the efficiency, and play a guide effect to first spring 31 and second spring 32 through connector 30, greatly alleviateed the swing of spring, the stability of structure has been promoted, effectively alleviate the gas-liquid pressure cylinder 2 because of the spring swing interference that receives in high-speed operation, operating stability is higher, process effectually.

On the other hand, the application of the stopper 33 realizes the stroke control of the oil storage piston 34, ensures that the oil storage piston 34 does not go out of position in long-term high-speed operation, has more stable output and ensures the normal operation of the gas-liquid pressure cylinder 2.

Compared with the prior art, the utility model has the following beneficial effects:

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a realize turn-ups of automatic drawing of patterns and press equipment of riveting which characterized in that includes: the device comprises a frame, a gas-liquid pressure cylinder, an upper die and a lower die; the lower die is arranged on the rack, the gas-liquid pressure cylinder is arranged on the rack above the lower die, the upper die is connected to an output shaft of the gas-liquid pressure cylinder above the lower die, the lower die is used for positioning and placing a product, matching with the upper die to perform flanging processing on the product and realizing automatic demoulding of the product, the gas-liquid pressure cylinder is used as a power source, and the upper die is used for matching with the lower die to perform flanging processing on the product under the driving of the gas-liquid pressure cylinder;

2. The flanging and riveting press for realizing automatic demolding according to claim 1, wherein the gas-liquid pressure cylinder comprises a first pneumatic cylinder, a hydraulic cylinder and a second pneumatic cylinder; one end of the first pneumatic cylinder is connected to the frame above the base, an output shaft of the first pneumatic cylinder penetrates out of the frame downwards and is connected with the upper die, the other end of the first pneumatic cylinder is connected with one end of the hydraulic cylinder, and the other end of the hydraulic cylinder is connected with the second pneumatic cylinder; the second pneumatic cylinder comprises a second end cover, a second cylinder barrel, a pressurizing piston, a pressurizing rod, a connector, a first spring, a second spring, a limiter and an oil storage piston; one end of the second cylinder barrel is connected with the second end cover, the other end of the second cylinder barrel is connected with the hydraulic cylinder, the boosting piston can be movably arranged in the second cylinder barrel up and down, and the boosting piston, the second cylinder barrel and the second end cover jointly enclose a boosting air cavity; one end of the pressure increasing rod is connected to the pressure increasing piston, the other end of the pressure increasing rod is arranged in the second cylinder barrel, and the pressure increasing rod moves in the same direction along with the movement of the pressure increasing piston; the connector and the oil storage piston are sequentially arranged on the pressure increasing rod from top to bottom, the oil storage piston moves in the same direction along with the movement of the pressure increasing rod, and the oil storage piston plays a role in storing oil; the limiter is arranged in the second cylinder barrel below the connector and above the oil storage piston, and stroke control of the oil storage piston is realized through the limiter; one end of the first spring is connected with the pressurizing piston, the other end of the first spring is connected with the connector, and elastic force is provided between the pressurizing piston and the connector; one end of the second spring is connected with the oil storage piston, the other end of the second spring is connected with the connector, and an elastic force is provided between the connector and the oil storage piston.

3. The flanging and press-riveting equipment for realizing automatic demolding according to claim 2, wherein the first pneumatic cylinder comprises a first end cover, a first cylinder barrel, a fast-forward piston and a piston rod, and the hydraulic cylinder comprises a hydraulic cylinder barrel and an isolator; one end of the isolator is connected with one end of the second cylinder barrel, the other end of the isolator is connected with one end of the hydraulic cylinder barrel, an isolation hole is formed in the position, corresponding to the pressure increasing rod, of the isolator, and the isolation hole is used for enabling the pressure increasing rod to move and supplying hydraulic oil to circulate; one end of the first cylinder barrel is connected with one end of the hydraulic cylinder barrel, the fast forward piston can be movably arranged in the first cylinder barrel up and down, the other end of the first cylinder barrel is connected with one end of the first end cover, the other end of the first end cover is connected to the rack above the base, the piston rod penetrates through the fast forward piston, the piston rod moves in the same direction along with the movement of the fast forward piston, one end of the piston rod penetrates through the first cylinder barrel upwards and is movably arranged in the hydraulic cylinder barrel, and the other end of the piston rod penetrates through the first end cover and the rack downwards in sequence and is connected with the upper die; the second cylinder barrel, the oil storage piston, the booster rod, the isolator, the hydraulic cylinder barrel and the piston rod jointly enclose a booster liquid cavity, and hydraulic oil is filled in the booster liquid cavity in advance; the hydraulic cylinder barrel, the piston rod, the fast-forward piston and the first cylinder barrel jointly enclose a fast-pressure air cavity, a first air pipe joint and a second air pipe joint are respectively arranged on the hydraulic cylinder barrel, a pressurization air channel is arranged on the second end cover, one end of the first air pipe joint is communicated with an air source, the other end of the first air pipe joint is communicated with the fast-pressure air cavity, one end of the second air pipe joint is communicated with the fast-pressure air cavity, the other end of the second air pipe joint is communicated with the pressurization air channel, and the pressurization air channel is also communicated with the pressurization air cavity; the first cylinder barrel, the fast-forward piston, the piston rod and the first end cover jointly enclose a reset air cavity, a third air pipe connector and a fourth air pipe connector are arranged on the first end cover respectively, one end of the third air pipe connector is communicated with an air source, the other end of the third air pipe connector is communicated with the reset air cavity, one end of the fourth air pipe connector is communicated with the reset air cavity, and the other end of the fourth air pipe connector is communicated with the pressurization air circuit.

4. The flanging and press-riveting equipment for realizing automatic demolding according to claim 3, wherein the pressurization gas circuit comprises a gas control valve, a first gas pipe and a second gas pipe; the upper part of the pneumatic control valve is provided with a first connector, the pneumatic control valve is connected to the second end cover through the first connector, the second end cover is also provided with a pressurization air passage which is matched with the pressurization air passage and communicated with the pressurization air cavity, and the pneumatic control valve is communicated with the pressurization air passage through the first connector; the lower part of the pneumatic control valve is respectively provided with a second joint and a silencer, one end of the first air pipe is communicated with the second joint, the other end of the first air pipe is communicated with the second air pipe joint, and the silencer is used for exhausting air for the pneumatic control valve; the right side of the pneumatic control valve is provided with a third connector, one end of the second air pipe is communicated with the third connector, and the other end of the second air pipe is communicated with the fourth air pipe connector.

5. The flanging and riveting press for realizing automatic demoulding according to claim 3, wherein the upper die comprises an upper die sleeve and a pressing rod; the upper die sleeve is connected to one end, through which the piston rod penetrates out of the rack downwards, of the piston rod, the pressing rod is connected to the upper die sleeve above the base, a flanging hole is formed in the position, corresponding to the flanging thimble, of the pressing rod, and the flanging hole is used for being matched with the flanging thimble to use.

6. The flanging and press-riveting device for realizing automatic demolding according to claim 1, wherein a positioning groove is formed at the bottom of the flanging thimble, a positioning hole is formed in the lower mold rod at a position corresponding to the positioning groove, and a positioning screw is arranged in the positioning hole and used for positioning and locking the flanging thimble in the lower mold rod so as to prevent the flanging thimble from moving.

7. A flanging and press-riveting device capable of realizing automatic demoulding according to claim 2, wherein the pressurizing piston is sequentially sleeved with a first air seal and a second air seal from top to bottom, and the first air seal and the second air seal play a role in sealing and preventing air leakage.

8. A flanging and press-riveting device capable of realizing automatic demoulding according to claim 3, wherein a first oil seal and a second oil seal are sequentially arranged in the hydraulic cylinder barrel from top to bottom, multiple sealing is formed by the first oil seal and the second oil seal to prevent oil leakage, the piston rod is provided with a pressurizing hole, and the pressurizing hole is used for reducing the load of the oil seals;

9. A flanging and press-riveting device capable of realizing automatic demoulding according to claim 3, wherein a seventh air seal matched with the piston rod is arranged in the first end cover, and high-pressure air is prevented from leaking downwards from a gap between the piston rod and the first end cover through the seventh air seal, so that an air sealing and leakage prevention effect is achieved.

10. The flanging and riveting press for realizing automatic demoulding according to claim 3, wherein the isolator is a high-low pressure isolating ring and plays a role in isolating high pressure and low pressure.