CN214368008U

CN214368008U - Manual-automatic integrated pressure relief device with automatic pressure relief assembly for casting equipment

Info

Publication number: CN214368008U
Application number: CN202120411898.7U
Authority: CN
Inventors: 徐林超
Original assignee: Anlu Desheng Metal Casting Co ltd
Current assignee: Anlu Desheng Metal Casting Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-10-08
Anticipated expiration: 2031-02-24

Abstract

The utility model relates to the technical field of pressure relief devices, the scheme is a manual-automatic pressure relief device with an automatic pressure relief component for casting equipment, which comprises a cylinder body, wherein the left side of the bottom end of the cylinder body is provided with a first air inlet, the right side of the bottom end of the cylinder body is provided with a pressure relief opening, the left side of the top end of the cylinder body is provided with a pressure gauge, the pressure gauge displays the internal pressure of the cylinder body, the middle part of the top end of the cylinder body is provided with a primary pressure relief part, the inner cavity of the cylinder body is provided with a piston part in a sliding sealing way, the primary pressure relief part in the device can adjust the pressure relief capacity to adapt to different working requirements, the position of a second push plate can be adjusted through a second threaded rod, and further the extension degree of a second compression spring is changed, thereby playing a function of changing the pressure relief pressure, the manual pressure relief component in the scheme can stabilize the position of the first push plate after the working adjustment, and does not need continuous force maintenance of personnel, and the adjusting process is labor-saving, and the scheme has reasonable structure and innovation.

Description

Manual-automatic integrated pressure relief device with automatic pressure relief assembly for casting equipment

Technical Field

The utility model relates to a pressure relief device technical field specifically is a casting equipment is with manual-automatic formula pressure relief device who has automatic pressure relief subassembly.

Background

Casting is a relatively early metal hot working process mastered by human beings, and has a history of about 6000 years, wherein liquid metal is cast into a casting cavity adaptive to the shape of a part, and after the liquid metal is cooled and solidified, a part or a blank is obtained. The method used may be different according to different requirements. Modern people's perception to the casting is further, and the development of machinery industry itself and other industry such as chemical industry, instrument etc. has created favorable material condition for the casting industry, in modern casting forming process, for the product quality of improvement cast member, often can be through extra increase pressure with the molten metal hydraulic pressure in the casting die cavity to make the cast member of production obtain higher intensity and hardness, for the protection personnel and equipment safety, need use pressure relief device, the pressure relief device structure that generally uses is complicated, and use cost is higher, and life is shorter.

Patent No. CN201921399294.4 provides an automatic pressure relief device in a casting apparatus. The utility model provides an automatic pressure relief device in casting equipment includes the box, box one side is equipped with the handle, the handle bottom is equipped with the backup pad, the inside main pressure relief mechanism that is equipped with of backup pad, main pressure relief mechanism top is equipped with bypass pressure relief mechanism, main pressure relief mechanism includes extension spring, extension spring sets up inside the box, the first push pedal outside is equipped with the sealing washer, first push pedal one side is equipped with the dead lever, bypass pressure relief mechanism includes the casing, the inside telescopic link that is equipped with of casing, the telescopic link outside is equipped with compression spring, the telescopic link bottom is equipped with the second push pedal. The utility model provides a pair of automatic pressure relief device in casting equipment through being equipped with bypass pressure relief mechanism, when need not personnel's operation, uses manpower sparingly resource and use cost, and main pressure relief mechanism and the reasonable division of labor of bypass pressure relief mechanism prolong device's life.

However, the above device has the following problems: 1. the automatic pressure relief capacity cannot be adjusted, different pressures are required to exist in a cavity when different castings are cast, so that the pressure relief device is required to perform pressure relief operation under different pressure environments, and the device does not have the pressure relief capacity adjusting function; 2. during manual pressure relief, the position of the push plate needs to be stabilized by using a large force, and if the pressure relief process is long, the force is consumed.

Based on this, this scheme has designed a casting equipment with have automatic pressure relief subassembly manual and automatic formula pressure relief device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a manual-automatic pressure relief device with an automatic pressure relief assembly for casting equipment, which solves the problems that the automatic pressure relief capability is not adjustable in the background art 1, and different pressures exist in cavities when different castings are cast, so that the pressure relief device is required to perform pressure relief operation under different pressure environments, and the device does not have the pressure relief capability adjusting function; 2. during manual pressure relief, the position of the push plate needs to be stabilized by using large force, and if the pressure relief process is long, the problem of consuming strength is solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a casting equipment is with manual-automatic formula pressure relief device that has automatic pressure relief subassembly, includes the barrel, barrel bottom left side is equipped with first air inlet, barrel bottom right side is provided with the pressure release mouth, barrel top left side is provided with the manometer, and the manometer shows barrel internal pressure, barrel top middle part is equipped with elementary pressure relief spare, barrel inner chamber sliding seal is equipped with the piston spare, the right side of piston spare is equipped with a compression spring, the right-hand member upper portion of barrel is equipped with manual pressure relief subassembly, be connected for dismantling between manual pressure relief subassembly and the piston spare.

Preferably, the piston piece includes first push pedal, the outer ring face of first push pedal is equipped with the sealing washer, sealing washer and barrel inner chamber adaptation, first push pedal right side middle part is equipped with the bar shaped plate, bar shaped plate top surface middle part is equipped with the bar groove.

Preferably, manual pressure release subassembly includes the diaphragm, the middle part left side of diaphragm is equipped with the passageway, diaphragm top right side is equipped with the riser, the rotation is equipped with first threaded rod in riser middle part left side, first threaded rod left end is connected with the bearing frame, the bearing frame rigid coupling is on the barrel top, first threaded rod right-hand member runs through the riser and is connected with the crank, around being equipped with the internal thread piece on the first threaded rod, internal thread piece bottom is equipped with the montant, the montant bottom runs through passageway and bar groove in proper order, the montant middle part is equipped with spacing dish, spacing dish bottom surface slides and pastes and lean on bar top surface, the montant lower part is equipped with the external screw thread, and the external screw thread is equipped with lock nut.

Preferably, the bottom end of the limiting disc and the top of the locking nut are both provided with a gasket.

Preferably, elementary pressure release spare includes a square section of thick bamboo, square bobbin base end middle part is equipped with the second air inlet, the sealed slip in square section of thick bamboo inner chamber upper portion is equipped with the second push pedal, second push pedal top middle part is equipped with the second threaded rod, the roof of a square section of thick bamboo is run through in the activity of second threaded rod top, square bobbin base end left side is equipped with L type frame, the diaphragm top of L type frame is run through on second threaded rod top, the second threaded rod is equipped with adjusting nut, the adjusting nut top is supported and is leaned on the diaphragm bottom of L type frame, the bottom middle part of second push pedal is connected with the third push pedal through the telescopic link, third push pedal and square section of thick bamboo activity sealing connection, the periphery of telescopic link is around having connect the second compression spring, lateral wall middle part all is equipped with elementary pressure release mouth about a square section of thick bamboo.

Compared with the prior art, the beneficial effects of the utility model are that: pressure release capacity can be adjusted in this device elementary pressure release spare in order to adapt to different job requirements, can adjust the position of second push pedal through the second threaded rod, and then change second compression spring's the degree of extension to play the function that changes pressure release pressure size, manual pressure release subassembly in this scheme, the position of first push pedal can be stabilized after work is adjusted, need not personnel and continuously have an effect and maintain, and accommodation process is comparatively laborsaving, this scheme is rational in infrastructure, possesses the novelty.

Drawings

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

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the piston member of the present invention;

FIG. 3 is a schematic view of the structure of the manual pressure relief assembly of the present invention;

fig. 4 is the schematic structural view of the primary pressure relief member of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a casting equipment is with manual-automatic formula pressure relief device that has automatic pressure relief subassembly, including

barrel

1, 1 bottom left side of barrel is equipped with

first air inlet

2, 1 bottom right side of barrel is provided with

pressure release mouth

3, 1 top left side of barrel is provided with manometer 4, manometer 4 shows 1 internal pressure of barrel, 1 top middle part of barrel is equipped with elementary pressure relief spare 9, 1 inner chamber sliding seal of barrel is equipped with piston spare 5, the right side of piston spare 5 is equipped with first compression spring 6, the right-hand member upper portion of barrel 1 is equipped with manual pressure relief subassembly 7, be connected for dismantling between manual pressure relief subassembly 7 and the piston spare 5.

Further, the piston member 5 includes a first push plate 501, a sealing ring 502 is disposed on an outer annular surface of the first push plate 501, the sealing ring 502 is adapted to the inner cavity of the cylinder 1, a strip-shaped plate 503 is disposed in a middle portion of a right side of the first push plate 501, and a strip-shaped groove 504 is disposed in a middle portion of a top surface of the strip-shaped plate 503.

Further, manual pressure relief component 7 includes diaphragm 701, the middle part left side of diaphragm 701 is equipped with passageway 702, diaphragm 701 top right side is equipped with riser 703, riser 703 middle part left side is rotated and is equipped with first threaded rod 705, first threaded rod 705 left end is connected with bearing frame 704, bearing frame 704 rigid coupling is on 1 top of barrel, first threaded rod 705 right-hand member runs through riser 703 and is connected with crank 706, around being equipped with internal thread piece 707 on first threaded rod 705, internal thread piece 707 bottom is equipped with montant 708, montant 708 bottom runs through passageway 702 and bar groove 504 in proper order, montant 708 middle part is equipped with spacing dish 709, the bottom surface of spacing dish 709 slides and leans on bar 503 top surface, montant 708 lower part is equipped with external screw thread 710, external screw 710 is equipped with lock nut 711.

Further, the bottom end of the limiting disc 709 and the top of the locking nut 711 are provided with washers 712.

Further, the primary pressure relief piece 9 comprises a square barrel 901, a second air inlet 910 is arranged in the middle of the bottom end of the square barrel 901, a second push plate 902 is arranged on the upper portion of an inner cavity of the square barrel 901 in a sealing and sliding mode, a second threaded rod 903 is arranged in the middle of the top end of the second push plate 902, the top end of the second threaded rod 903 movably penetrates through the top wall of the square barrel 901, an L-shaped frame 904 is arranged on the left side of the top end of the square barrel 901, the top end of the second threaded rod 903 penetrates through the top end of a transverse plate of the L-shaped frame 904, an adjusting nut 905 is arranged on the second threaded rod 903, the top end of the adjusting nut 905 abuts against the bottom end of the transverse plate of the L-shaped frame 904, a third push plate 906 is connected to the middle of the bottom end of the second push plate 902 through an expansion rod 907, the third push plate 906 is movably and hermetically connected with the square barrel 901, a second compression spring 908 is wound around the periphery of the expansion rod 907, and primary pressure relief openings 909 are formed in the middles of left and right side walls of the square barrel 901.

Where the force urging the first compression spring 6 to compress is greater than the force urging the second compression spring 908 to compress, the pressure is first relieved through the primary relief port 909 (the above limitations include adjusting the extension of the second compression spring 908).

The working principle is as follows: the first air inlet 2 is connected with a pressure discharge port of a cavity of the casting equipment, pressure gas enters the barrel 1 and firstly pushes the second compression spring 908 to compress, the third push plate 906 moves to a primary pressure discharge port 909, the pressure gas is discharged at the moment, primary pressure discharge operation is started, if the pressure is large, rapid pressure discharge is difficult only depending on the primary pressure discharge port 909, at the moment, the first compression spring 6 is compressed, the first push plate 501 moves to the right to a pressure discharge port 3, and second-step pressure discharge is started to accelerate the pressure discharge operation;

if meet emergency and special demand, the staff can rotate lock nut 711, makes it compress tightly strip shaped plate 503, rotates crank 706 again, drives first threaded rod 705 and rotates for interior thread piece 707 moves to the right, and montant 708 pulls 5 piston spare this moment, makes first push pedal 501 remove to pressure release 3 pressure release.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The further embodiments of the present invention disclosed above are merely intended to help illustrate the present invention. Further embodiments are not exhaustive and do not limit the utility model to the specific embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a casting equipment is with manual-automatic formula pressure relief device that has automatic pressure relief subassembly, a serial communication port, including barrel (1), barrel (1) bottom left side is equipped with first air inlet (2), barrel (1) bottom right side is provided with pressure release mouth (3), barrel (1) top left side is provided with manometer (4), and manometer (4) show barrel (1) internal pressure, barrel (1) top middle part is equipped with elementary pressure relief spare (9), barrel (1) inner chamber sliding seal is equipped with piston spare (5), the right side of piston spare (5) is equipped with first compression spring (6), the right-hand member upper portion of barrel (1) is equipped with manual pressure relief subassembly (7), be connected for dismantling between manual pressure relief subassembly (7) and piston spare (5).

2. The automated manual pressure relief device with automatic pressure relief assembly for a casting apparatus of claim 1, wherein: the piston piece (5) comprises a first push plate (501), a sealing ring (502) is arranged on the outer annular surface of the first push plate (501), the sealing ring (502) is matched with the inner cavity of the barrel body (1), a strip-shaped plate (503) is arranged in the middle of the right side of the first push plate (501), and a strip-shaped groove (504) is formed in the middle of the top surface of the strip-shaped plate (503).

3. The automated manual pressure relief device with automatic pressure relief assembly for casting equipment of claim 2, wherein: the manual pressure relief assembly (7) comprises a transverse plate (701), a channel (702) is arranged on the left side of the middle part of the transverse plate (701), a vertical plate (703) is arranged on the right side of the top end of the transverse plate (701), a first threaded rod (705) is rotatably arranged on the left side of the middle part of the vertical plate (703), the left end of the first threaded rod (705) is connected with a bearing seat (704), the bearing seat (704) is fixedly connected to the top end of the barrel body (1), the right end of the first threaded rod (705) penetrates through the vertical plate (703) and is connected with a crank (706), an inner threaded block (707) is wound on the first threaded rod (705), a vertical rod (708) is arranged at the bottom end of the inner threaded block (707), the bottom end of the vertical rod (708) sequentially penetrates through the channel (702) and a strip-shaped groove (504), a limiting disc (709) is arranged in the middle part of the vertical rod (708), and the bottom surface of the limiting disc (709) slides and leans against the top surface of the strip-shaped plate (503), the lower portion of the vertical rod (708) is provided with an external thread (710), and the external thread (710) is provided with a locking nut (711).

4. The automated manual pressure relief device with automatic pressure relief assembly for casting equipment of claim 3, wherein: and the bottom end of the limiting disc (709) and the top of the locking nut (711) are provided with gaskets (712).

5. The automated manual pressure relief device with automatic pressure relief assembly for a casting apparatus of claim 1, wherein: the primary pressure relief piece (9) comprises a square barrel (901), a second air inlet (910) is arranged in the middle of the bottom end of the square barrel (901), a second push plate (902) is arranged on the upper portion of an inner cavity of the square barrel (901) in a sealing and sliding mode, a second threaded rod (903) is arranged in the middle of the top end of the second push plate (902), the top end of the second threaded rod (903) movably penetrates through the top wall of the square barrel (901), an L-shaped frame (904) is arranged on the left side of the top end of the square barrel (901), the top end of the second threaded rod (903) penetrates through the top end of a transverse plate of the L-shaped frame (904), an adjusting nut (905) is arranged on the second threaded rod (903), the top end of the adjusting nut (905) abuts against the bottom end of the transverse plate of the L-shaped frame (904), a third push plate (906) is connected to the middle of the bottom end of the second push plate (902) through a telescopic rod (907), and the third push plate (906) is movably connected with the square barrel (901) in a sealing mode, the periphery of the telescopic rod (907) is wound and connected with a second compression spring (908), and the middle parts of the left side wall and the right side wall of the square barrel (901) are respectively provided with a primary pressure relief opening (909).