阅读说明：本技术 一种具有耐磨结构及流量调节功能的气动管夹阀 (Pneumatic pipe clamp valve with wear-resisting structure and flow regulation function ) 是由 郑祥松 秦万正 易晓华 张若楠 陈隆 郑浩炜 章立 幸坤超 易祭财 于 2020-06-11 设计创作，主要内容包括：本发明涉及管夹阀技术领域,具体为一种具有耐磨结构及流量调节功能的气动管夹阀,所述耐磨管件位于进料通道和出料通道之间的一段呈方便物料平滑过渡的弧型结构,所述执行机构包括位于腔室两端且位于耐磨管件上端面的上夹板、与上夹板相互匹配位于耐磨管件下端面的下夹板以及驱动上夹板和下夹板相对移动将耐磨管件压合关闭物料流通的驱动机构。进料通道和出料通道之间的耐磨管件设置成圆弧型平滑过渡段,设置位置高度差,方便物料的流动,通过气动执行器形成两段封闭,密封效果更佳,通过SQX系列智能在线调节控制仪器将指令传输给气动执行器,并控制气动执行器气量大小,从而控制管夹阀开闭大小,从而起到流量在线调节作用。(The invention relates to the technical field of pipe clamp valves, in particular to a pneumatic pipe clamp valve with a wear-resistant structure and a flow regulating function. Wear-resisting pipe fitting between feedstock channel and the discharging channel sets up to the smooth transition section of circular arc type, sets up the position difference in height, makes things convenient for the flow of material, forms two sections through pneumatic actuator and seals, and sealed effect is better, gives pneumatic actuator with the instruction transmission through SQX series intelligence online adjustment control instrument to control pneumatic actuator tolerance size, thereby control pipe clamp valve switching size, thereby play the online regulatory action of flow.)

1. The utility model provides a pneumatic pipe clamp valve with wear-resisting structure and flow control function, includes pipe clamp valve body (1) and is located wear-resisting pipe fitting (2) of pipe clamp valve body (1), and pipe clamp valve body (1) is provided with feedstock channel (11), discharging channel (12) and is located and is used for holding the cavity that actuating mechanism opened and close wear-resisting pipe fitting (2) between feedstock channel (11) and discharging channel (12), its characterized in that: the position of feedstock channel (11) is higher than the position of discharging channel (12), wear-resisting pipe fitting (2) are located one section between feedstock channel (11) and discharging channel (12) and are the arc type structure that makes things convenient for the smooth transition of material, actuating mechanism closes the actuating mechanism of material circulation with wear-resisting pipe fitting (2) pressfitting including last splint (4) that are located the cavity both ends and are located wear-resisting pipe fitting (2) up end, lower plate (5) and drive upper splint (4) and lower plate (5) relative movement that are located wear-resisting pipe fitting (2) lower terminal surface with last splint (4) mutual matching.

2. The pneumatic pinch valve with wear resistant structure and flow regulating function of claim 1, wherein: actuating mechanism is including installing in the cavity inner wall and being located the type of falling U cylinder body (3) of wear-resisting pipe fitting (2) top, run through in the vertical intracavity of the type of falling U cylinder body (3) and peg graft depression bar (34) that have lower extreme and punch holder (4) upper end to be connected, the upper end of depression bar (34) is connected with and is doing piston motion's cubic piston (33) in the vertical intracavity of the type of falling U cylinder body (3), the upper end of cubic piston (33) is connected with last actuating lever (32) that promote cubic piston (33) and move down, two the upper end of going up actuating lever (32) is connected with and is located the same clamp plate piston (31) of the horizontal intracavity of the type of falling U cylinder body (3), pneumatic actuator (6) are installed to the up end of pipe clamp valve body (1), dispose SQX series of intelligence on-line adjustment control instrument on pneumatic actuator (6), and pneumatic actuator (6) run through the roof and the type of pipe clamp valve The inverted U-shaped cylinder bodies (3) are communicated.

3. The pneumatic pinch valve with wear-resistant structure and flow regulating function of claim 2, wherein: the lower end of the pressure plate piston (31) is connected with a plurality of springs (35), and the lower ends of the springs (35) are connected with the bottom wall of the transverse cavity of the inverted U-shaped cylinder body (3).

4. The pneumatic pinch valve with wear-resistant structure and flow regulating function of claim 2, wherein: the driving mechanism also comprises a lifting mechanism used for lifting the lower clamping plate (5) during the process of pressing the upper clamping plate (4).

5. The pneumatic pinch valve with wear-resistant structure and flow regulating function of claim 4, wherein: the lifting mechanism comprises a gear (7) which is connected in the cavity and located on two sides of the wear-resistant pipe fitting (2) in a rotating mode, one side of the gear (7) close to the wear-resistant pipe fitting (2) is meshed with an upper end to be connected with an upper spur rack (41) at the lower end of an upper clamping plate (4), one side of the gear (7) far away from the wear-resistant pipe fitting (2) is meshed with a lower end to be connected with a lower spur rack (51) at the upper end of a lower clamping plate (5.

6. The pneumatic pinch valve with wear-resistant structure and flow regulating function of claim 5, wherein: an upper through hole (42) for a lower straight rack (51) to penetrate through is formed in the upper clamping plate (4), and a lower through hole (52) for an upper straight rack (41) to penetrate through is formed in the lower clamping plate (5).

7. The pneumatic pinch valve with wear-resistant structure and flow regulating function of claim 5, wherein: the lower end of the lower clamping plate (5) is symmetrically connected with lifting rods (53) of which the lower ends are connected with the bottom wall of the cavity to play a supporting role.

8. The pneumatic pinch valve with wear-resistant structure and flow regulating function of claim 5, wherein: the lower end of the upper clamping plate (4) is integrally connected with a convex part, and the thickness of the convex part is the same as the outer diameter of the gear (7).

9. A pneumatic pinch valve having a wear resistant construction and a flow regulating function according to any one of claims 1-8, wherein: the pipe clamp valve body (1) is of a detachable structure formed by fixing two shells which are symmetrical front and back through bolts.

10. The pneumatic pinch valve with wear resistant structure and flow regulating function of claim 9, wherein: the preparation method of the wear-resistant pipe fitting (2) comprises the following steps:

s1, mixing and compounding 85-100 parts of polyurethane rubber, 8-12 parts of ethylene propylene diene monomer, 1-3 parts of sulfur, 28-40 parts of high-wear-resistance carbon black with the particle size of 20-30nm, 2-4 parts of stearic acid, 0.5-1.5 parts of accelerator M, 0.8-1.5 parts of zinc oxide, 0.2-0.6 part of hexanediol and 0-2 parts of chitosan;

s2, then carrying out vulcanization molding treatment twice, wherein the vulcanization temperature of the first vulcanization treatment is as follows: 130-145 ℃, the vulcanizing time is 25-35min, and the vulcanizing pressure is 12-15 MPa; the vulcanization temperature of the second vulcanization treatment is as follows: 175 ℃ and 190 ℃, the vulcanization time is 2-4h, and the vulcanization pressure is 12-15 Mpa.

Technical Field

The invention relates to the technical field of pipe clamp valves, in particular to a pneumatic pipe clamp valve with a wear-resistant structure and a flow adjusting function.

Background

The pipe clamp valve is a device for controlling the directional pressure and flow of fluid in fluid system, and is a control component in pipeline fluid conveying system, and is characterized by that it utilizes upper and lower clamping plates in the interior of valve shell to press and release liner to change the size of its flow channel area so as to control opening and closing of valve. In the situations, the opening and closing processes are not performed in the use and production of the pipe clamp valve, so that the traditional pipe clamp valve has the defects that the lining is not wear-resistant and the service life of the online flow regulation cannot be short.

Disclosure of Invention

The present invention is directed to a pneumatic pinch valve with a wear-resistant structure and a flow rate adjusting function, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a pneumatic pipe clamp valve with wear-resisting structure and flow control function, includes pipe clamp valve body and is located the wear-resisting pipe fitting of pipe clamp valve body, and pipe clamp valve body is provided with feedstock channel, discharging channel and is located and is used for holding the cavity that actuating mechanism opened and close wear-resisting pipe fitting between feedstock channel and the discharging channel, feedstock channel's position is higher than discharging channel's position, one section that wear-resisting pipe fitting is located between feedstock channel and the discharging channel is the arc type structure that makes things convenient for the smooth transition of material, actuating mechanism is including the punch holder that is located the cavity both ends and is located wear-resisting pipe fitting up end, the lower plate that is located wear-resisting pipe fitting lower extreme face and drive punch holder and lower plate relative movement close the drive mechanism of material circulation with the wear-resisting pipe fitting pressfitting.

Preferably, actuating mechanism is including installing the type of falling U cylinder body that just is located wear-resisting pipe fitting top at the cavity inner wall, the vertical intracavity of the type of falling U cylinder body runs through the grafting and has the depression bar that lower extreme and punch holder upper end are connected, the upper end of depression bar is connected with the cubic piston that is piston motion in the vertical intracavity of the type of falling U cylinder body, the upper end of cubic piston is connected with the last actuating lever that promotes cubic piston and move down, two the upper end of going up the actuating lever is connected with the same clamp plate piston that is located the horizontal intracavity of the type of falling U cylinder body, pneumatic actuator is installed to the up end of pipe clamp valve body, disposes SQX series of intelligent on-line adjustment control instrument on the pneumatic actuator, and pneumatic actuator passes through the roof of pipe clamp valve body and the roof and the type of.

Preferably, the lower end of the pressure plate piston is connected with a plurality of springs, and the lower ends of the springs are connected with the bottom wall of the transverse cavity of the inverted U-shaped cylinder body.

Preferably, the drive mechanism further comprises a lifting mechanism for lifting the lower jaw during depression of the upper jaw.

Preferably, hoist mechanism is including rotating the gear that connects in the cavity and be located wear-resisting pipe fitting both sides, one side meshing that the gear is close to wear-resisting pipe fitting has the upper spur rack of upper end connection at the punch holder lower extreme, one side meshing that wear-resisting pipe fitting was kept away from to the gear has the lower spur rack of lower extreme connection at the punch holder upper end.

Preferably, the upper splint is provided with an upper through hole through which the lower spur rack passes, and the lower splint is provided with a lower through hole through which the upper spur rack passes.

Preferably, the lower end of the lower clamping plate is symmetrically connected with lifting rods, the lower ends of the lifting rods are connected with the bottom wall of the chamber to play a supporting role.

Preferably, the lower end of the upper clamping plate is integrally connected with a convex part, and the thickness of the convex part is the same as the outer diameter of the gear.

Preferably, the pinch valve body is a detachable structure formed by fixing two shells which are symmetrical front and back through bolts.

Preferably, the preparation method of the wear-resistant pipe fitting comprises the following steps:

s1, mixing and compounding 85-100 parts of polyurethane rubber, 8-12 parts of ethylene propylene diene monomer, 1-3 parts of sulfur, 28-40 parts of high-wear-resistance carbon black with the particle size of 20-30nm, 2-4 parts of stearic acid, 0.5-1.5 parts of accelerator M, 0.8-1.5 parts of zinc oxide, 0.2-0.6 part of hexanediol and 0-2 parts of chitosan;

s2, then carrying out vulcanization molding treatment twice, wherein the vulcanization temperature of the first vulcanization treatment is as follows: 130-145 ℃, the vulcanizing time is 25-35min, and the vulcanizing pressure is 12-15 MPa; the vulcanization temperature of the second vulcanization treatment is as follows: 175 ℃ and 190 ℃, the vulcanization time is 2-4h, and the vulcanization pressure is 12-15 Mpa.

Compared with the prior art, the invention has the beneficial effects that: the pneumatic pipe clamp valve with the wear-resistant structure and the flow regulation function is characterized in that a wear-resistant pipe fitting between a feeding channel and a discharging channel is arranged into an arc-shaped smooth transition section, the position height difference is arranged, the material flow is convenient, an upper clamp plate and a lower clamp plate are arranged on two sides of the arc-shaped smooth transition section of the wear-resistant pipe fitting, two sections of sealing are formed through a pneumatic actuator, the sealing effect is better, the air flow is regulated through the pneumatic actuator, a pressure plate piston is pushed to press downwards, an upper driving rod is pushed to act on a block-shaped piston, a pressure rod is pushed to drive the upper clamp plate to move downwards, a gear is added to be meshed with an upper straight rack, the upper straight rack moves downwards along with the upper clamp plate to drive the gear to rotate, the lower straight rack is meshed with the gear, the gear rotates to drive the lower straight rack to ascend, the lower clamp plate and the upper clamp plate move towards each other, the wear-resistant pipe, and the air quantity of the pneumatic actuator is controlled, so that the opening and closing of the pipe clamp valve are controlled, the online flow regulation effect is achieved, and the outstanding substantive characteristics and remarkable progress are achieved.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is an enlarged view of part A of the present invention.

In the figure: the pipe clamp valve comprises a pipe clamp valve body 1, a feeding channel 11, a discharging channel 12, a wear-resistant pipe fitting 2, an inverted-U-shaped cylinder 3, a pressure plate piston 31, an upper driving rod 32, a block-shaped piston 33, a pressure rod 34, a spring 35, an upper clamping plate 4, an upper straight rack 41, an upper through hole 42, a lower clamping plate 5, a lower straight rack 51, a lower through hole 52, a lifting rod 53, a pneumatic actuator 6, a connecting channel 61 and a gear 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a pneumatic pipe clamp valve with wear-resisting structure and flow control function, including pipe clamp valve body 1 and be located wear-resisting pipe fitting 2 of pipe clamp valve body 1, pipe clamp valve body 1 is the detachable structure that two casings of front and back symmetry formed through the bolt fastening, convenient to detach maintenance, pipe clamp valve body 1 is provided with feedstock channel 11, discharging channel 12 and be located and be used for holding the cavity that actuating mechanism opened and close wear-resisting pipe fitting 2 between feedstock channel 11 and discharging channel 12, feedstock channel 11's position is higher than discharging channel 12's position, wear-resisting pipe fitting 2 is located one section between feedstock channel 11 and discharging channel 12 and is the arc type structure that makes things convenient for material smooth transition, actuating mechanism is including the punch holder 4 that is located cavity both ends and is located wear-resisting pipe fitting 2 up end, match lower plate 5 that is located wear-resisting pipe fitting 2 lower terminal surface each other with punch holder 4 and drive punch holder 4 and lower plate 5 relative movement and close wear-resisting pipe fitting 2 pressfitting A drive mechanism.

The driving mechanism comprises an inverted U-shaped cylinder body 3 which is arranged on the inner wall of a cavity and positioned above the wear-resistant pipe fitting 2, a pressing rod 34 with the lower end connected with the upper end of an upper clamping plate 4 is inserted in a vertical cavity of the inverted U-shaped cylinder body 3 in a penetrating manner, a block-shaped piston 33 which does piston motion in the vertical cavity of the inverted U-shaped cylinder body 3 is connected with the upper end of the pressing rod 34, an upper driving rod 32 which pushes the block-shaped piston 33 to move downwards is connected with the upper end of the block-shaped piston 33, the upper ends of the two upper driving rods 32 are connected with the same pressing plate piston 31 positioned in the horizontal cavity of the inverted U-shaped cylinder body 3, a pneumatic actuator 6 is arranged on the upper end face of the pipe clamp valve body 1, an SQX series intelligent online adjustment and control instrument is configured on the pneumatic actuator 6, the pneumatic actuator 6 penetrates through the top wall of the pipe clamp valve, the lower end of the spring 35 is connected with the bottom wall of the transverse cavity of the inverted U-shaped cylinder 3, so that the pressure plate piston 31 is convenient to reset,

actuating mechanism still includes the hoist mechanism that is used for the process of pushing down at punch holder 4 to mention lower plate 5, hoist mechanism is including rotating the gear 7 of connecting in the cavity and being located wear-resisting pipe fitting 2 both sides, gear 7 has the upper end to connect the last spur rack 41 at punch holder 4 lower extreme near one side meshing of wear-resisting pipe fitting 2, gear 7 keeps away from one side meshing of wear-resisting pipe fitting 2 and has the lower spur rack 51 of lower extreme connection at lower plate 5 upper end, set up the last perforating hole 42 that supplies lower spur rack 51 to pass on punch holder 4, set up the lower perforating hole 52 that supplies last spur rack 41 to pass on the lower plate 5, the lower extreme symmetric connection of lower plate 5 has the lower extreme to be connected the lifter 53 that plays the supporting role with the cavity diapire, the lower extreme of punch holder 4 is the integration and is connected with the convex part, and the thickness of convex part is the same with the.

The preparation method of the wear-resistant pipe fitting 2 comprises the following steps:

s1, mixing and compounding 85-100 parts of polyurethane rubber, 8-12 parts of ethylene propylene diene monomer, 1-3 parts of sulfur, 28-40 parts of high-wear-resistance carbon black with the particle size of 20-30nm, 2-4 parts of stearic acid, 0.5-1.5 parts of accelerator M, 0.8-1.5 parts of zinc oxide, 0.2-0.6 part of hexanediol and 0-2 parts of chitosan;

s2, then carrying out vulcanization molding treatment twice, wherein the vulcanization temperature of the first vulcanization treatment is as follows: 130-145 ℃, the vulcanizing time is 25-35min, and the vulcanizing pressure is 12-15 MPa; the vulcanization temperature of the second vulcanization treatment is as follows: the temperature is 190 ℃, the vulcanization time is 2-4h, and the vulcanization pressure is 12-15Mpa, so that the cutting resistance, the tearing resistance and the wear resistance of the wear-resistant pipe 2 are further improved on the basis of keeping good elasticity of the wear-resistant pipe 2 prepared by the method.

The pneumatic pipe clamp valve with the wear-resistant structure and the flow regulation function is characterized in that a wear-resistant pipe fitting 2 between a feeding channel 11 and a discharging channel 12 is arranged to be an arc-shaped smooth transition section, the height difference of the position is set, the material flow is convenient, an upper clamping plate 4 and a lower clamping plate 5 are arranged on two sides of the arc-shaped smooth transition section of the wear-resistant pipe fitting 2, two sections of sealing are formed through a pneumatic actuator 6, the sealing effect is better, the air quantity is regulated through the pneumatic actuator 6, a pressing plate piston 31 is pushed to press downwards, an upper driving rod 32 is pushed to act on a block-shaped piston 33, a pressing rod 34 is pushed to drive the upper clamping plate 4 to move downwards, the gear 7 is meshed with an upper straight rack 41 through adding the gear 7, the upper straight rack 41 moves downwards along with the upper clamping plate 4 to drive the gear 7 to rotate, the lower straight rack 51 is meshed with the gear 7, the lower clamping plate 5 and the upper clamping plate 4 move oppositely to clamp the wear-resistant pipe fitting 2, an SQX series intelligent online adjustment control instrument transmits an instruction to the pneumatic actuator and controls the air quantity of the pneumatic actuator 6, so that the opening and closing of the pipe clamp valve are controlled, the online flow adjustment effect is achieved, and the online flow adjustment device has outstanding substantive characteristics and remarkable progress.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.