阅读说明：本技术 一种自触发的手动操作气缸夹紧气路 (Self-triggering manual operation air cylinder clamping air circuit ) 是由 帅智杰 于 2021-08-02 设计创作，主要内容包括：本发明公开了一种自触发的手动操作气缸夹紧气路,包括压臂单元,压臂单元包括具有第一通气口和第二通气口的气缸、由气缸控制的压臂、以及通过压臂触发的机控阀；阀控组件,阀控组件包括阀岛汇流板、二位多通阀Ⅰ以及二位多通阀Ⅱ；以及气源,气源出口分别连接有主气路以及阀控气路组,主气路连通进气路,阀控气路组用于控制二位多通阀Ⅰ的执行位置以及控制二位多通阀Ⅱ的执行位置,机控阀设置于阀控气路中。上述技术方案,通过设计阀控组件来控制与气缸的连接状态,设计阀控气路组来控制阀控组件的执行位置,能使气缸的第一通气口和第二通气口均得到泄气,此时可自由操作压臂。(The invention discloses a self-triggering manual operation air cylinder clamping air circuit, which comprises a pressure arm unit, wherein the pressure arm unit comprises an air cylinder with a first air vent and a second air vent, a pressure arm controlled by the air cylinder and a machine control valve triggered by the pressure arm; the valve control assembly comprises a valve island confluence plate, a two-position multi-way valve I and a two-position multi-way valve II; and the air source outlet is respectively connected with a main air path and a valve control air path group, the main air path is communicated with the air inlet path, the valve control air path group is used for controlling the execution position of the two-position multi-way valve I and the execution position of the two-position multi-way valve II, and the valve control air path group is arranged in the valve control air path. According to the technical scheme, the connection state of the valve control assembly and the air cylinder is controlled by designing the valve control assembly, the execution position of the valve control assembly is controlled by designing the valve control air path group, the first air vent and the second air vent of the air cylinder can be deflated, and the pressure arm can be freely operated at the moment.)

1. The utility model provides a from manual operation cylinder clamping gas circuit that triggers which characterized in that: comprises that

The pressure arm unit (10) comprises a cylinder (11) with a first vent hole and a second vent hole, a pressure arm (12) controlled by the cylinder (11), and a mechanical control valve (14) triggered by the pressure arm (12);

the valve control assembly (20) comprises a valve island confluence plate (21), a two-position multi-way valve I (24) and a two-position multi-way valve II (25), wherein the valve island confluence plate (21) is provided with an air inlet channel (22) and an air outlet channel (23), the two-position multi-way valve I (24) is provided with a P1 air inlet communicated with the air inlet channel (22), an R1 air outlet communicated with the first air vent and an A1 air outlet connected with the air outlet channel (23), the two-position multi-way valve II (25) is provided with a P2 air inlet communicated with the air inlet channel (22), an A2 air outlet communicated with the second air vent and an R3 air outlet connected with the air outlet channel (23), the two-position multi-way valve I (24) has two execution positions of a left position connection state and a right position connection state, when the two-position multi-way valve I (24) is in the left position connection state, the A1 air outlet is communicated with the P1 air inlet, when the air outlet of A1 is communicated with the air outlet of R1 in the right connecting state; the two-position multi-way valve II (25) has two execution positions of a left connection state and a right connection state, when the two-position multi-way valve II (25) is in the left connection state, an A2 air outlet is communicated with a P2 air inlet, and when the two-position multi-way valve II (25) is in the right connection state, an A2 air outlet is communicated with an R3 air outlet; and

the air source (31), air source (31) export is connected with main gas circuit (33) and valve accuse gas circuit group respectively, main gas circuit (33) intercommunication air inlet circuit (22), valve accuse gas circuit group is used for controlling the execution position and the control of two-position multi-ported valve I (24) the execution position of two-position multi-ported valve II (25), machine accuse valve (14) set up in the valve accuse gas circuit.

2. The self-triggering manually operated cylinder clamp circuit of claim 1, wherein: the valve accuse gas circuit group all with air supply (31) exit linkage first valve accuse gas circuit (34), second valve accuse gas circuit (35) and third valve accuse gas circuit (36), first valve accuse gas circuit (34) other end is connected two-position multi-way valve II (25) right position is in order to promote two-position multi-way valve II (25) move to the left position connection state position, machine accuse valve (14) set up in first valve accuse gas circuit (34).

3. The self-triggering manually operated cylinder clamp circuit of claim 2, wherein: the piston rod of the air cylinder (11) extends to drive the pressure arm (12) to open, so that the pressure arm (12) is in pressure contact with the machine control valve (14) to enable the first valve control air passage (34) to be communicated.

4. The self-triggering manually operated cylinder clamp circuit of claim 2, wherein: the other end of the second valve control air path (35) is connected with the left position of the two-position multi-way valve I (24) so as to push the two-position multi-way valve I (24) to move to the right position connection state position.

5. The self-triggering manually operated cylinder clamp circuit of claim 4, wherein: and a first pressing valve (41) is installed on the second valve control air circuit (35).

6. The self-triggering manually operated cylinder clamp circuit of claim 2, wherein: the other end of the third valve control air path (36) is connected with the right position of the two-position multi-way valve I (24) and the left position of the two-position multi-way valve II (25) so as to push the two-position multi-way valve I (24) to move to the left position in a connection state.

7. The self-triggering manually operated cylinder clamp circuit of claim 6, wherein: the third valve control air path (36) is also connected with the left position of the two-position multi-way valve II (25) to push the two-position multi-way valve II (25) to move to the right position connection state position.

8. The self-triggering manually operated cylinder clamp circuit of claim 7, wherein: and a second pressing valve (42) is installed on the third valve control air path (36).

9. The self-triggering manually-operated cylinder clamping air circuit as claimed in any one of claims 1 to 8, wherein: the tail end of the exhaust gas channel (23) is connected with a silencer (26).

10. The self-triggering manually-operated cylinder clamping air circuit as claimed in any one of claims 1 to 8, wherein: and a triplet (32) is arranged at the outlet of the gas source (31).

Technical Field

The invention relates to the technical field of pneumatic control, in particular to a self-triggering manual operation air cylinder clamping air circuit.

Background

In the welding process of the automobile body-in-white welding fixture, due to the structure and the positioning requirements of a product, the fixture needs to be welded to manually swing down the fixture pressing arm before welding, then the fixture is started, the pressing arm is clamped by applying pressure through air inlet of the air cylinder, and after welding is completed, the air cylinder needs to be automatically opened by air control. Therefore, the clamp pressing arm is required to be manually operated before operation, the clamp is continuously pressed and clamped in the operation process through pneumatic pressure, and the clamp is pneumatically opened automatically after the operation.

If air control is directly adopted, the start button needs to be operated manually and repeatedly, so that equipment misoperation is easily caused, and the working efficiency is low. And the product and the clamp body are often damaged when the direct pneumatic control action pressure arm swings down. Therefore, when the situation is met, the air cylinder used on the clamp unit which is positioned in advance needs to be deflated by adopting an air path, and the pressure arm is placed in place by manual operation. Then the whole clamp is started again, and the manual clamping unit and other clamping units are used together for air inlet and product pressing.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, the embodiment of the invention provides a self-triggering manual operation air cylinder clamping air passage, which can realize self-triggering air cylinder air leakage.

The self-triggered manual operation air cylinder clamping air circuit comprises a pressure arm unit, wherein the pressure arm unit comprises an air cylinder with a first air vent and a second air vent, a pressure arm controlled by the air cylinder and a machine control valve triggered by the pressure arm; the valve control assembly comprises a valve island collecting plate, a two-position multi-way valve I and a two-position multi-way valve II, wherein the valve island collecting plate is provided with an air inlet channel and an air outlet channel, the two-position multi-way valve I is provided with a P1 air inlet communicated with the air inlet channel, an R1 air outlet communicated with the first air port and an A1 air outlet connected with the air outlet channel, the two-position multi-way valve II is provided with a P2 air inlet communicated with the air inlet channel, an A2 air outlet communicated with the second air port and an R3 air outlet connected with the air outlet channel, the two-position multi-way valve I is provided with two execution positions of a left connection state and a right connection state, when the two-position multi-way valve I is in the left connection state, the A1 air outlet is communicated with the P1 air inlet, and when the two-position multi-way valve I is in the right connection state, the A1 air outlet is communicated with the R1 air outlet; the two-position multi-way valve II has two execution positions of a left connection state and a right connection state, when the two-position multi-way valve II is in the left connection state, the air outlet A2 is communicated with the air inlet P2, and when the two-position multi-way valve II is in the right connection state, the air outlet A2 is communicated with the air outlet R3; and the air source outlet is respectively connected with a main air path and a valve control air path group, the main air path is communicated with the air inlet path, the valve control air path group is used for controlling the execution position of the two-position multi-way valve I and the execution position of the two-position multi-way valve II, and the valve control valve is arranged in the valve control air path.

In an optional or preferred embodiment, the valve-controlled gas path set includes the first valve-controlled gas path, the second valve-controlled gas path, and the third valve-controlled gas path, which are all connected to the gas source outlet, the other end of the first valve-controlled gas path is connected to the right of the two-position multi-way valve ii to push the two-position multi-way valve ii to move to the left connection state position, and the machine-controlled valve is disposed in the first valve-controlled gas path.

In an alternative or preferred embodiment, the piston rod of the air cylinder extends to drive the pressure arm to open, so that the pressure arm presses and contacts the mechanical control valve to enable the first valve control air path to be communicated.

In an alternative or preferred embodiment, the other end of the second valve control air passage is connected with the left position of the two-position multi-way valve I so as to push the two-position multi-way valve I to move to the right position connecting state position.

In an alternative or preferred embodiment, the second valve controlled gas circuit is fitted with a first push valve.

In an optional or preferred embodiment, the other end of the third valve control air passage is connected with the right position of the two-position multi-way valve I and the left position of the two-position multi-way valve II so as to push the two-position multi-way valve I to move to the left connecting state position.

In an optional or preferred embodiment, the third valve-controlled air path is further connected with the left position of the two-position multi-way valve II to push the two-position multi-way valve II to move towards the right position connection state position.

In an alternative or preferred embodiment, the third valve-controlled gas circuit is provided with a second pressing valve.

In an alternative or preferred embodiment, a silencer is connected to the end of the exhaust passage.

In an alternative or preferred embodiment, the gas source outlet is provided with a triplet.

Based on the technical scheme, the embodiment of the invention at least has the following beneficial effects: above-mentioned technical scheme, control the connection state with the cylinder through designing the valve accuse subassembly, design valve accuse gas circuit group comes the execution position of control valve accuse subassembly, when the cylinder was from the clamping state to the open mode, the pressure arm is opened and is triggered the opening of machine accuse valve, control the execution position of two-position multi-way valve I and two-position multi-way valve II together with valve accuse gas circuit group, after triggering machine accuse valve, make two-position multi-way valve I be in right position connection state, A1 gas outlet intercommunication R1 gas vent, make two-position multi-way valve II be in right position connection state, A2 gas outlet intercommunication R3 gas vent, at this moment, the first air vent and the second air vent of cylinder all obtain disappointing, can freely operate the pressure arm at this moment.

Drawings

The invention is further described below with reference to the accompanying drawings and examples;

FIG. 1 is a perspective view of a press arm unit in an embodiment of the present invention, wherein the press arm is in a clamped state;

FIG. 2 is a second perspective view of the pressing arm unit in the embodiment of the present invention, wherein the pressing arm is in an open state;

FIG. 3 is a first schematic diagram of pneumatic connections in an embodiment of the present invention;

FIG. 4 is a second schematic diagram of gas path connection in the embodiment of the present invention, wherein the second schematic diagram shows an initial operation state;

FIG. 5 is a third schematic diagram of the pneumatic connection in the embodiment of the present invention, wherein the pressing arm is shown in a pressing operation state;

FIG. 6 is a fourth schematic illustration of an air path connection in an embodiment of the present invention, wherein a cylinder bleed condition is shown.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 3, a self-triggering manually-operated cylinder clamping air circuit includes a pressure arm unit 10, a valve control assembly 20, and an air source 31.

As shown in fig. 1 and 2, the pressure arm unit 10 includes a cylinder 11 having a first air vent and a second air vent, a pressure arm 12 controlled by the cylinder 11, and a valve 14 controlled by the pressure arm 12. It can be understood that, referring to fig. 1, the piston rod of the cylinder 11 extends to push the pressing arm 12 to rotate around the mounting frame 15, at this time, the pressing arm 12 is in a clamping state for pressing the product, and the structure of the specific product pressing part is the prior art, and will not be described in detail. Referring to fig. 2, when the piston rod of the cylinder 11 retracts, the pressing arm 12 is pulled to rotate around the mounting frame 15, at this time, the pressing arm 12 is in an open state, the piston rod of the cylinder 11 is provided with a touch block 13, the touch block 13 presses the mechanical control valve 14, so that the mechanical control valve 14 is opened, and the mechanical control valve 14 can be a roller type mechanical valve.

Referring to fig. 3, the valve control assembly 20 includes a valve island manifold 21, a two-position multi-way valve i 24, and a two-position multi-way valve ii 25, and the valve island manifold 21 is provided with an air intake path 22 and an air exhaust path 23. Specifically, the two-position multi-way valve i 24 has a P1 inlet port communicating with the intake passage 22, an R1 outlet port communicating with the first vent port, and an a1 outlet port connected to the exhaust passage 23, and the two-position multi-way valve ii 25 has a P2 inlet port communicating with the intake passage 22, an a2 outlet port communicating with the second vent port, and an R3 outlet port connected to the exhaust passage 23. In this embodiment, the two-position and five-way valve i 24 and the two-position and five-way valve ii 25 are two-position and five-way valves, wherein the B1 air outlet of the two-position and five-way valve i 24 and the B2 air outlet of the two-position and five-way valve ii 25 are not communicated with a pipeline, and the R2 air outlet of the two-position and five-way valve i 24 and the R4 air outlet of the two-position and five-way valve ii 25 do not work in this embodiment. It should be noted that the two-position five-way valve is a common valve body, and can implement connection of the valve control assembly 20, and those skilled in the art can also use other multi-position multi-way valves for replacement.

Referring to fig. 3 to 6, the two-position multi-way valve i 24 has two execution positions, i.e., a left connection state and a right connection state, when the two-position multi-way valve i 24 is in the left connection state, the air outlet of a1 is communicated with the air inlet of a P1, and when the two-position multi-way valve i 24 is in the right connection state, the air outlet of a1 is communicated with the air outlet of an R1; the two-position multi-way valve II 25 has two execution positions of a left connection state and a right connection state, when the two-position multi-way valve II 25 is in the left connection state, the air outlet of A2 is communicated with the air inlet of P2, and when the two-position multi-way valve II is in the right connection state, the air outlet of A2 is communicated with the air outlet of R3. In addition, the position of the left and right bits is only illustrated with respect to the drawings, and should not be construed as limiting the scope of the present application.

The outlet of the air source 31 is respectively connected with a main air path 33 and a valve control air path group, the main air path 33 is communicated with the air inlet path 22, the valve control air path group is used for controlling the execution position of the two-position multi-way valve I24 and the execution position of the two-position multi-way valve II 25, and the valve control valve 14 is arranged in the valve control air path.

According to the technical scheme, the connection state of the valve control assembly 20 and the air cylinder 11 is controlled by designing the valve control air path set, the execution position of the valve control assembly 20 is controlled by designing the valve control air path set, when the air cylinder 11 is in the opening state from the clamping state, after the pressure arm 12 is opened, the touch block 13 presses the touch control valve 14, the control valve 14 is started, the execution positions of the two-position multi-way valve I24 and the two-position multi-way valve II 25 are controlled together with the valve control air path set, the two-position multi-way valve I24 is in the right connection state, the air outlet of A1 is communicated with the air outlet of R1, when the two-position multi-way valve II 25 is in the right connection state, the air outlet of A2 is communicated with the air outlet of R3, at the moment, the first air vent and the second air vent of the air cylinder 11 are both deflated, at the moment, the pressure arm can be freely operated, and at the moment, as shown in figure 4.

The specific principle of the valve control gas circuit group is explained in detail as follows:

further, the valve control gas circuit group comprises a first valve control gas circuit 34, a second valve control gas circuit 35 and a third valve control gas circuit 36 which are connected with the outlet of the gas source 31, the other end of the first valve control gas circuit 34 is connected with the right position of the two-position multi-way valve II 25 to push the two-position multi-way valve II 25 to move to the left connecting state position, and the machine control valve 14 is arranged in the first valve control gas circuit 34. The piston rod of the air cylinder 11 extends to drive the pressure arm 12 to open, so that the pressure arm 12 presses the mechanical control valve 14 to enable the first valve control air path 34 to be communicated.

In addition, the other end of the second valve-controlled air passage 35 is connected with the left position of the two-position multi-way valve I24 so as to push the two-position multi-way valve I24 to move towards the right position connection state position, and the first pressing valve 41 is installed on the second valve-controlled air passage 35. The other end of the third valve control air passage 36 is connected with the left position of a right two-position multi-way valve II 25 of the two-position multi-way valve I24 so as to push the two-position multi-way valve I24 to move to the left connecting state position; the third valve control air path 36 is also connected with the left position of the two-position multi-way valve II 25 so as to push the two-position multi-way valve II 25 to move to the right position connection state position. The third valve control air passage 36 is mounted with a second pressing valve 42.

Referring to fig. 4, in order to set the operation initial state, the boom unit state is as shown in fig. 2, and at this time, the boom 12 is manually operable, and it should be noted that the positional relationship of the valve control valve 14 shown in the boom unit 10 and the logical connection relationship of the air passage shown in the first valve control air passage 34 are the same. Specifically, the two-position multi-way valve II 25 is in a right-position connection state, the air outlet A2 is communicated with the exhaust port R3, and air in front of the piston in the cylinder 11 is exhausted to the exhaust path 23 through the exhaust port R3; the two-position multi-way valve I24 is in a right-position connection state, an air outlet A1 is communicated with an air outlet R1, and air behind a piston in the cylinder 11 is exhausted to the exhaust path 23 through the air outlet R1. Preferably, a silencer 26 is connected to the end of the exhaust passage 23. At the moment, the front and the rear air of the piston of the air cylinder 11 are both exhausted and communicated with the atmosphere, the piston is in a free movement state, and an operator can manually operate the pressure arm 12. In this embodiment, the gas path communication state is indicated by a thick solid line.

Referring to fig. 5, in the pressing arm pressing operation state, after the manually operated pressing arm 12 is pressed down, the touch block 13 moves along with the cylinder 11 such as a piston rod of a large amount of the sea, the machine control valve 14 is released, and the pressing arm unit 10 assumes the state of fig. 1. The first valve control air path is emptied through the mechanical control valve 14, specifically, the mechanical control valve 14 is provided with an R0 air outlet, a P0 air inlet and an A0 air outlet, at the moment, the A0 air outlet is communicated with the R0R0 air outlet, and the R0 air outlet is connected with a silencer. And the two-position multi-way valve II 25 keeps the air outlet of A2 communicated with the air outlet of R3, and the front air passage of the piston of the cylinder 11 keeps communicated with the atmosphere. An operator presses the first pressing valve 41, the second valve control air passage 35 is communicated with the first pressing valve and acts on the two-position multi-way valve I24 to enable the two-position multi-way valve I24 to be in a left-position connection state, the P1 air inlet is communicated with the A1 air outlet, air enters the space behind the piston of the air cylinder 11, the air cylinder 11 extends out to keep pressing force, and at the moment, the pressing arm 12 is clamped tightly. After the arm pressing unit 10 is clamped, the welding operation can be performed.

Referring to FIG. 6, a cylinder bleed condition is shown. When the first pressing valve 41 is in a disconnected state, the second pressing valve 42 is pressed, gas acts on the two-position multi-way valve I24 and the two-position multi-way valve II 25 through the third valve control gas circuit 36 simultaneously, the two-position multi-way valve I24 is changed into a right-position connection state, the gas outlet of A1 is communicated with the gas outlet of R1, and gas behind the piston of the cylinder 11 is communicated with the silencer 26 for releasing gas; the two-position multi-way valve II 25 is changed into a left-position connection state, the air outlet of A2 is communicated with the air inlet of P2, the main air source acts on the front end of the piston of the cylinder 11, and the cylinder 11 is opened pneumatically.

After the cylinder 11 is fully opened, the touch block 13 touches the mechanical control valve 14, the air path is changed to the state shown in fig. 4, and the two ends of the cylinder 11 are deflated, so that the manual operation can be performed. Thus, one working cycle is completed.

Preferably, the outlet of the gas source 31 is provided with a triplet 32.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.