Pneumatic device and material taking equipment

Abstract

The utility model discloses a pneumatic device, which comprises an electromagnetic valve, a pneumatic device and a pneumatic device, the cylinder body is connected with the electromagnetic valve and is provided with a first gas path, a second gas path and a third gas path, the first gas path is in butt joint with the gas inlet, the second gas path is in butt joint with the gas outlet, a piston movement assembly is arranged in the second gas path, a vacuum suction assembly is arranged in the third gas path, and the piston movement assembly is connected with the vacuum suction assembly; the first gas circuit and the second gas circuit replace a traditional guide pipe, the cylinder body and the electromagnetic valve directly form gas circuit communication, pipeline disorder and complexity are avoided, the electromagnetic valve directly controls on-off of gas flow in the first gas circuit and the second gas circuit on the cylinder body, the gas flow control response of the electromagnetic valve is faster, and the service life of the electromagnetic valve is prolonged. The electromagnetic valve, the cylinder body with the gas circuit and the vacuum material suction assembly are assembled together in an integrated mode, so that the whole structure is simpler, and the integrated structure can directly complete gas circuit control, material suction and piston movement.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas drive field especially relates to a kind of pneumatic device and taking equipment. BACKGROUND

[0002] Commonly used gas-driven device is cylinder, cylinder is a kind of compressed air pressure energy conversion into mechanical energy device, is widely used in industrial automation, automobile manufacturing, machining and other fields, cylinder is mainly composed of cylinder, end cover, piston, piston movement assembly and sealing element etc., cylinder is the main part of cylinder, piston carries out linear reciprocating motion in cylinder, piston movement assembly is connected with piston, for power transmission, the working principle of cylinder is to push piston in cylinder to carry out linear reciprocating motion by compressed air.

[0003] In material handling field, especially electronic material, chip, small hardware, plastic parts and other small object handling work, cylinder is often used as power component in Z-axis direction, vacuum suction rod is additionally connected on the piston movement assembly of cylinder, cylinder drives vacuum suction rod to move in Z-axis direction, vacuum suction rod absorbs material, realizes the absorption of material, cylinder is connected with air compressor by electromagnetic valve, the main role of electromagnetic valve in cylinder is to realize the control of cylinder telescopic movement and complex action by controlling the on-off and flow direction of gas, currently, such electromagnetic valve commonly uses two-position five-way electromagnetic valve, air compressor is connected with two-position five-way electromagnetic valve by conduit, two-position five-way electromagnetic valve is connected with cylinder by conduit;First, such conduit connection mode can cause pipeline messy and complex, and installation is time-consuming;Second, because electromagnetic valve and cylinder are connected by long conduit, the on-off and flow direction of gas in electromagnetic valve control cylinder will be reduced due to the existence of long conduit;Finally, cylinder, electromagnetic valve and vacuum suction rod are all separate functional components, and are installed by various fixing members or connecting members, so that the overall structure is complicated, and assembly is time-consuming and laborious. UTILITY MODEL CONTENTS

[0004] In order to overcome the shortcomings of complex structure, complicated wire, low electromagnetic valve control efficiency of prior art.

[0005] FIRST ASPECT

[0006] The utility model provides a kind of pneumatic device, comprising:

[0007] Electromagnetic valve is equipped with inlet and outlet;

[0008] Cylinder body is connected with electromagnetic valve, is equipped with first gas path, second gas path, third gas path, first gas path is butt joint with inlet, second gas path is butt joint with outlet, second gas path is equipped with piston movement assembly, third gas path is equipped with vacuum material suction assembly, piston movement assembly is connected with vacuum material suction assembly.

[0009] Optionally, the second gas path comprises a first branch and a second branch, the first branch is connected with the gas outlet, the first branch is communicated with the second branch, and the piston movement assembly is arranged in the second branch.

[0010] Optionally, the piston movement assembly comprises a piston rod, a first stop ring and a second stop ring, the piston rod is arranged in the second branch, the first stop ring is arranged at one end of the second branch, the second stop ring is arranged on the piston rod, a first spring is arranged between the first stop ring and the second stop ring, and the first spring is sleeved on the piston rod.

[0011] Optionally, one end of the piston rod is provided with a sealing seat, the sealing seat is provided with a first sealing element, a second sealing element is arranged between the sealing seat and the second stop ring, the other end of the piston rod is provided with a connecting piece, and the vacuum material suction assembly is connected with the piston rod through the connecting piece.

[0012] Optionally, the vacuum material suction assembly comprises a first guide rod, a suction rod and a suction head, the first guide rod is arranged in the third gas path, the connecting piece is provided with a first cavity, one end of the suction rod is fixed in the first cavity, one end of the guide rod is fixed in the first cavity, and the suction head is fixed at the other end of the suction rod; the first guide rod is provided with a second cavity, and the suction rod is provided with a third cavity; the second cavity of the first guide rod is the same as the third cavity of the suction rod.

[0013] Optionally, the first guide rod is fixed in the first cavity of the connecting piece through a first pin, the third gas path is provided with a shaft sleeve and a sealing ring, and the first guide rod sequentially penetrates through the sealing ring and the shaft sleeve.

[0014] Optionally, the connecting piece is provided with a fourth cavity, one end of the piston rod penetrates through the fourth cavity, the piston rod is provided with a snap spring and a second spring, the second cavity is provided with a step, one end of the second spring is connected with the snap spring, and the other end of the second spring abuts against the step.

[0015] Optionally, the cylinder is provided with a fifth cavity, the fifth cavity is provided with a shaft sleeve and a second guide rod, the second guide rod penetrates through the shaft sleeve, one end of the second guide rod is connected with the connecting piece, and the second guide rod is parallel to the first guide rod.

[0016] Optionally, a groove is arranged on the side wall of the fifth cavity, a groove is arranged on the second guide rod, the groove on the second guide rod and the groove on the fifth cavity form a positioning hole, and a second pin is arranged in the positioning hole.

[0017] Second aspect

[0018] The utility model discloses a kind of material taking equipment, comprising:

[0019] The pneumatic device of the first aspect, the first gas path in the cylinder is connected with positive pressure connector, and the third gas path is connected with negative pressure connector;

[0020] The variable distance sliding table is provided with a sliding block, and the pneumatic device is arranged on the sliding block.

[0021] The linear sliding table is provided with a connecting seat, the variable distance sliding table is arranged on the connecting seat, the connecting seat is provided with a mounting plate, the mounting plate is provided with a vacuum generator and a connector, the vacuum generator is connected with a negative pressure connector through a pipeline, and the connector is connected with a positive pressure connector through a pipeline.

[0022] The first air path and the second air path replace the traditional pipeline, so that the cylinder body and the electromagnetic valve are directly connected in air communication, pipeline disorder and complexity are avoided, and installation is simple. The first air path of the cylinder body is only needed to be connected with the air compressor, the electromagnetic valve directly controls air flow on / off in the first air path and the second air path on the cylinder body, the air flow control response of the electromagnetic valve is faster, the movement frequency of the piston movement assembly is improved, the electromagnetic valve, the cylinder body with the air path and the vacuum material suction assembly are assembled in an integrated mode, the overall structure is simpler, and the integrated structure can directly complete air path control, material suction and piston movement. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model is further described below in combination with the drawings and examples.

[0024] Figure 1 It is an assembly schematic view of the pneumatic device in some examples;

[0025] Figure 2 It is a sectional view schematic view of the pneumatic device in some examples;

[0026] Figure 3 It is an explosion schematic view of the pneumatic device in some examples;

[0027] Figure 4 It is a structure schematic view of the cylinder body in some examples;

[0028] Figure 5 It is a structure schematic view of the electromagnetic valve in some examples;

[0029] Figure 6 It is a structure schematic view of the piston movement assembly in some examples;

[0030] Figure 7 It is a structure schematic view of the vacuum suction assembly in some examples;

[0031] Figure 8 It is a sectional view schematic view of the vacuum suction assembly in some examples;

[0032] Figure 9 It is an assembly schematic view of the material taking equipment in some examples.

[0033] MARKS OF THE DRAWINGS:

[0034] 1, solenoid valve; 101, air inlet; 102, air outlet; 103, exhaust hole; 2, cylinder; 201, first air path; 202, second air path; 203, third air path; 204, first branch; 205, second branch; 207, second guide rod; 208, positive pressure joint; 209, negative pressure joint; 3, piston movement assembly; 301, piston rod; 302, first blocking ring; 303, second blocking ring; 304, first spring; 305, sealing seat; 306, first sealing element; 307, second sealing element; 308, second spring; 4, vacuum suction assembly; 401, first guide rod; 402, suction rod; 403, suction head; 404, second cavity; 405, third cavity; 5, connecting piece; 501, first cavity; 502, first pin; 503, fourth cavity; 504, second pin; 505, fifth cavity; 601, variable distance sliding table; 602, sliding block; 603, linear sliding table; 604, connecting seat; 605, mounting plate; 606, vacuum generator; 607, connector; 7, pneumatic device; 8, conduit. DETAILED DESCRIPTION

[0035] The concept, specific structure and generated technical effects of the present application will be described clearly and completely in combination with the embodiments and drawings, so as to fully understand the purpose, features and effects of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. In addition, all the coupling / connection relationships involved in the patent do not mean that the components are directly connected, but that a better coupling structure can be composed by adding or reducing coupling accessories according to the specific implementation situation. The various technical features in the present application can be combined interactively without mutual contradiction and conflict.

[0036] The present application provides a kind of pneumatic device 7, comprising: solenoid valve 1, is equipped with air inlet 101 and air outlet 102;Cylinder 2, it is connected with solenoid valve 1, is equipped with first air path 201, second air path 202, third air path 203, first air path 201 is butt joint with air inlet 101, second air path 202 is butt joint with air outlet 102, second air path 202 is equipped with piston movement assembly 3, third air path 203 is equipped with vacuum suction assembly 4, piston movement assembly 3 is connected with vacuum suction assembly 4.

[0037] In implementation, the electromagnetic valve 1 is connected with the cylinder body 2, and the first air path 201 on the cylinder body 2 is aligned with the air inlet 101, the second air path 202 is aligned with the air outlet 102, the first air path 201 is also used to connect with the external air compressor, the vacuum suction assembly 4 is installed in the third air path 203, and the third air path 203 is also used to connect with the external vacuum generator 606. The air compressor introduces compressed air into the first air path 201, the compressed air enters the electromagnetic valve 1 through the air inlet 101 of the electromagnetic valve 1, and then enters the second air path 202 through the air outlet 102 of the electromagnetic valve 1. The compressed air drives the piston movement assembly 3 to seat in the second air path 202. The vacuum generator 606 connected with the third air path 203 is in a negative pressure state, the piston movement assembly 3 is connected with the suction assembly, the piston movement assembly 3 drives the suction assembly, and the suction assembly sucks the material. The electromagnetic valve 1 is connected with the cylinder body 2, and the electromagnetic valve 1 is used to control the on-off and flow direction of the air flow. The electromagnetic valve 1 controls the air flow from the first air path 201 to the air inlet 101 and the air flow from the air outlet 102 to the second air path 202. The electromagnetic valve 1 is directly connected with the cylinder body 2, the first air path 201 in the cylinder body 2 is connected with the air compressor, and the first air path 201 and the second air path 202 replace the traditional pipe. The cylinder body 2 and the electromagnetic valve 1 are directly connected to form an air path, avoiding the complex pipeline and simple installation. Only the first air path 201 of the cylinder body 2 is connected with the air compressor. The electromagnetic valve 1 directly controls the air flow in the first air path 201 and the second air path 202 on the cylinder body 2, so that the air flow control response of the electromagnetic valve 1 is faster, the movement frequency of the piston movement assembly 3 is improved, the electromagnetic valve 1, the cylinder body 2 with the air path, and the vacuum suction assembly 4 are integrated and assembled together, so that the overall structure is simpler, and the integrated structure can directly complete the air path control, material suction, and piston movement.

[0038] Further, the electromagnetic valve 1 adopts a two-position three-way electromagnetic valve 1, the two-position three-way electromagnetic valve 1 includes an air inlet 101, an air outlet 102 and an exhaust port, the air inlet 101, the air outlet 102 and the exhaust port of the electromagnetic valve 1 are arranged side by side at the bottom of the electromagnetic valve 1, one end of the first gas path 201 leads to the top of the cylinder body 2, one end of the second gas path 202 also leads to the top of the cylinder body 2, the other end of the first gas path 201 leads to the other side of the cylinder body 2, and the other end of the first gas path 201 is connected with a positive pressure connector 208, the positive pressure connector 208 is connected with an air compressor through a conduit, the electromagnetic valve 1 is arranged at the top of the cylinder body 2, the air inlet 101 is communicated with the first gas path 201, the air outlet 102 is communicated with the second gas path 202, and the top of the cylinder body 2 is also provided with an opening, the exhaust port is connected with the opening, and the gas flowing out of the exhaust port flows out of the opening to the outside, the electromagnetic valve 1 is provided with a through hole, the cylinder body 2 is provided with a screw hole, the screw hole on the cylinder body 2 corresponds to the through hole on the electromagnetic valve 1, and the electromagnetic valve 1 is fixed on the cylinder body 2 through a screw, the cylinder body 2 is a thin cylinder body 2, compared with a traditional cylinder body 2, the volume is small, the width of the electromagnetic valve 1 is the same as the width of the cylinder body 2, and the overall volume and weight of the pneumatic device 7 are much smaller than those of the traditional cylinder and the electromagnetic valve 1, so that the pneumatic device 7 is more suitable for small material grabbing.

[0039] In some embodiments, the second gas path 202 includes a first branch 204 and a second branch 205, the first branch 204 is connected with the air outlet 102, the first branch 204 is communicated with the second branch 205, and the piston movement assembly 3 is arranged in the second branch 205.

[0040] In implementation, the gas flowing out of the air outlet 102 of the electromagnetic valve 1 passes through the first branch 204 to the second branch 205, the gas flow pushes the piston movement assembly 3 to realize piston movement, the second branch 205 continues the passage of the gas flow and is also a cavity for the piston movement assembly 3 to move, and the piston movement assembly 3 moves in the second branch 205.

[0041] Further, one end of the second branch 205 is connected with the first branch 204, the other end of the second branch 205 leads to one side of the cylinder body 2, the other end of the second branch 205 is communicated with the outside, and the first branch 204 is a transition gas path for air flow to communicate the second branch 205 and the electromagnetic valve 1. In some cases, the second gas path 202 can be only the second branch 205, and the second branch 205 is directly connected with the air outlet 102 of the electromagnetic valve 1.

[0042] In some embodiments, the piston movement assembly 3 comprises a piston rod 301, a first blocking ring 302, a second blocking ring 303, the piston rod 301 is arranged in the second branch 205, the first blocking ring 302 is arranged at one end of the second branch 205, the second blocking ring 303 is arranged on the piston rod 301, a first spring 304 is arranged between the first blocking ring 302 and the second blocking ring 303, and the first spring 304 is sleeved on the piston rod 301.

[0043] In implementation, the second blocking ring 303 is arranged on the piston rod 301, and the first spring 304 is sleeved on the piston rod 301. The piston rod 301 is arranged in the second branch 205, the second blocking ring 303 is arranged at one end of the second branch 205, and the first spring 304 is arranged between the first blocking ring 302 and the second blocking ring 303. At this time, the two ends of the first spring 304 abut against the first blocking ring 302 and the second blocking ring 303, respectively. The piston rod 301 is moved in the second branch 205 by the gas flow, the piston rod 301 is moved towards the second blocking ring 303, the first blocking ring 302 compresses the first spring 304, and the piston rod 301 is pushed to a certain distance and then is bounced back by the first spring 304, so as to realize the piston movement.

[0044] Further, a snap spring is arranged at one end of the second branch 205, the second blocking ring 303 is arranged on the snap spring, the snap spring limits the second blocking ring 303, the first blocking ring 302 is integrally formed with the piston rod 301, the first blocking ring 302 moves with the piston rod 301, the piston rod 301 is divided into a head portion and a tail portion according to the size of the cross-sectional radius, the cross-sectional radius of the head portion is smaller than that of the tail portion, the head portion passes through the second blocking ring 303, a clamping groove is arranged at the joint of the head portion and the tail portion, and an O-ring is arranged in the clamping groove.

[0045] In some embodiments, a sealing seat 305 is arranged at one end of the piston rod 301, a first sealing element 306 is arranged on the sealing seat 305, a second sealing element 307 is arranged between the sealing seat 305 and the second blocking ring 303, and a connecting element 5 is arranged at the other end of the piston rod 301. The vacuum material suction assembly 4 is connected with the piston rod 301 through the connecting element 5.

[0046] In implementation, the sealing seat 305 is arranged at one end of the piston rod 301, the first sealing element 306 is arranged on the sealing seat 305, the first sealing element 306 is close to the first branch 204, the second sealing element 307 is arranged between the sealing seat 305 and the second blocking ring 303, the first sealing element 306 and the second sealing element 307 jointly ensure the sealing property of one end of the piston rod 301, so as to ensure that the gas flowing through the first branch 204 can push the piston rod 301. The connecting element 5 is arranged at the other end of the piston rod 301, the vacuum material suction assembly 4 is connected with the piston rod 301 through the connecting element 5, and the piston rod 301 drives the vacuum material suction assembly 4 to move through the connecting element 5 when the piston rod 301 moves as a piston in the second branch 205, so as to realize the movement of the vacuum material suction assembly 4 on the Z-axis and realize the material taking.

[0047] Further, the first seal 306 is an O-ring, and the second seal 307 is a piston seal ring. The O-ring is an O-ring in that its cross section is circular. The O-ring is also called an O-ring because its cross section is O-shaped. The sealing seat 305 is provided with an annular groove, and the O-ring is arranged in the annular groove. The piston seal ring is sleeved on the piston rod 301 and located between the sealing seat 305 and the first stop ring 302. The edge of the piston seal ring abuts against the side wall of the second branch 205.

[0048] In some embodiments, the vacuum material suction assembly 4 includes a first guide rod 401, a suction rod 402, and a suction head 403. The first guide rod 401 is arranged in the third air path 203. The connecting piece 5 is provided with a first cavity 501. One end of the suction rod 402 is fixed in the first cavity 501. The guide rod is fixed at one end in the first cavity 501. The suction head 403 is fixed at the other end of the suction rod 402. The first guide rod 401 is provided with a cavity, and the suction rod 402 is provided with a cavity. The second cavity 404 of the first guide rod 401 is the same as the second cavity 404 of the suction rod 402.

[0049] In implementation, the first guide rod 401 is arranged in the third air path 203. One end of the first guide rod 401 is fixed in the first cavity 501 of the connecting piece 5. The suction rod 402 is fixed in the first cavity 501 of the connecting piece 5. Thus, the first guide rod 401 and the suction rod 402 are fixed. The second cavity 404 of the first guide rod 401 is the same as the third cavity 405 of the suction rod 402 in the first cavity 501 of the connecting piece 5. The suction head 403 is arranged at one end of the suction rod 402. The third air path 203 is connected to an external vacuum generator 606. The vacuum generator 606 forms a negative pressure cavity with the third air path 203, the second cavity 404 of the first guide rod 401, and the third cavity 405 of the suction rod 402. After the negative pressure is formed, the suction head 403 can suck the material. The piston rod 301 drives the connecting piece 5 to move. The connecting piece 5 drives the first guide rod 401 to move in the third air path 203. At the same time, the connecting piece 5 also drives the suction rod 402 to move in the Z-axis direction. The first guide rod 401 plays a guiding role. The suction head 403 on the suction rod 402 plays a role of adsorbing the material.

[0050] In some embodiments, the first guide rod 401 is fixed in the first cavity 501 of the connecting piece 5 through the first pin 502. The third air path 203 is provided with a shaft sleeve and a seal ring. The first guide rod 401 passes through the seal ring and the shaft sleeve in sequence.

[0051] In implementation, the first guide rod 401 is fixed in the first cavity 501 of the connecting piece 5 through the first pin 502, the first shaft sleeve and the sealing ring are arranged in the third gas path 203, the first guide rod 401 passes through the sealing ring and the shaft sleeve in sequence, the sealing ring is used for ensuring the sealing of the third gas path 203, and the shaft sleeve assists the movement of the first guide rod 401 in the third gas path 203.

[0052] Further, semicircular grooves are arranged on both sides of one end of the first guide rod 401, two semicircular grooves are arranged in the first cavity 501 of the connecting piece 5 correspondingly, the semicircular grooves on the first guide rod 401 correspond to the semicircular grooves in the first cavity 501 after the one end of the first guide rod 401 is placed in the cavity of the connecting piece 5, the two semicircular grooves form a positioning hole, the first guide rod 401 is fixed in the first cavity 501 of the connecting piece 5 by using the pin shaft passing through the positioning hole, the first cavity 501 of the connecting piece 5 is provided with an internal thread, one end of the suction rod 402 is provided with an external thread, and the suction rod 402 and the first cavity 501 of the connecting piece 5 are fixed through the threads.

[0053] In some embodiments, the connecting piece 5 is provided with a second cavity 404, one end of the piston rod 301 passes through the fourth cavity 503, the piston rod 301 is provided with a snap spring and a second spring 308, the fourth cavity 503 is provided with a step, one end of the second spring 308 is connected with the snap spring, and the other end of the second spring 308 is connected with the step.

[0054] In implementation, the snap spring is arranged on the piston rod 301, the second spring 308 is sleeved on the piston rod 301, one end of the second spring 308 is connected with the snap spring, and the other end of the second spring 308 is abutted against the step in the fourth cavity 503, so that the second spring 308 plays a buffering role when the piston rod 301 moves.

[0055] Further, the part, through which the piston rod 301 passes, of the fourth cavity 503 is also provided with a snap spring, and the snap spring, through which the piston rod 301 passes, of the fourth cavity 503 is abutted against the connecting piece 5.

[0056] In some embodiments, the fifth cavity 505 is arranged in the cylinder body 2, the shaft sleeve and the second guide rod 207 are arranged in the fifth cavity 505, the second guide rod 207 passes through the shaft sleeve, one end of the second guide rod 207 is connected with the connecting piece 5, and the second guide rod 207 is parallel to the first guide rod 401.

[0057] In implementation, a bushing is arranged in the fifth cavity 505, the second guide rod 207 is arranged in the fifth cavity 505 of the cylinder body 2 through the bushing, one end of the second guide rod 207 is connected with the connecting piece 5, the second guide rod 207 is parallel with the first guide rod 401, the piston rod 301 drives the connecting piece 5 to move, the connecting piece 5 drives the second guide rod 207 to move in the fifth cavity 505, and the first guide rod 401 and the second guide rod 207 jointly play a guiding role, so that the movement of the piston rod 301 is more stable.

[0058] In some embodiments, a groove is arranged on the side wall of the fifth cavity 505, a groove is arranged on the second guide rod 207, the groove on the second guide rod 207 and the groove on the fifth cavity 505 form a limiting hole, and the second pin 504 is arranged in the limiting hole.

[0059] In implementation, the second guide rod 207 is arranged in the fifth cavity 505, the groove on the second guide rod 207 cooperates with the groove in the fifth cavity 505 to form a limiting hole, and the second pin 504 is inserted into the limiting hole, so as to fix the second guide rod 207 in the fifth cavity 505.

[0060] The utility model provides a kind of material taking equipment, comprising: pneumatic device 7 in above-mentioned embodiment, the specific structure of pneumatic device 7 has been described in detail in above-mentioned embodiment, here no longer repeat; first gas path 201 in cylinder body 2 is butt joint with positive pressure connector 208, third gas path 203 is butt joint with negative pressure connector 209;Variable pitch slide 601 is equipped with sliding block 602, pneumatic device 7 is arranged on sliding block 602;Linear slide 603 is equipped with connecting seat 604, variable pitch slide 601 is arranged on connecting seat 604, connecting seat 604 is equipped with mounting plate 605, mounting plate 605 is equipped with vacuum generator 606 and connector 607, vacuum generator 606 is connected with negative pressure connector 209 by conduit, connector 607 is connected with positive pressure connector 208 by conduit.

[0061] Pneumatic device 7 is arranged on the sliding block 602 of variable pitch slide 601, the position of pneumatic device 7 can be adjusted by adjusting the position of sliding block 602, variable pitch slide 601 is arranged on the connecting seat 604 of linear slide 603, the position of variable pitch slide 601 can be adjusted by adjusting the position of connecting seat 604, pneumatic device 7 is aligned with the material to be sucked by the cooperation of variable pitch slide 601 and linear slide 603, mounting plate 605 is arranged on connecting seat 604, vacuum generator 606 and connector 607 are arranged on mounting plate 605, connector 607 is used to butt joint air compressor, positive pressure connector 208 is butt joint on first gas path 201, positive pressure connector 208 is butt joint by conduit, negative pressure connector 209 is butt joint on second gas path 202, negative pressure connector 209 is butt joint with vacuum generator 606 by conduit.

[0062] Further, the variable distance sliding table 601 is provided with a plurality of sliding blocks 602 according to work requirements, each sliding block 602 is provided with a pneumatic device 7, the connector 607 is a multi-pass connector 607, the multi-pass connector 607 has an interface for docking an air compressor, and a plurality of interfaces for docking the pneumatic device 7, so that the air compressor supplies air to the plurality of pneumatic devices 7.

[0063] The above is a specific description of the preferred embodiment of the utility model, but the utility model is not limited to the described embodiment, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the present application.

Claims

1. A pneumatic device, characterized by The utility model relates to a pneumatic device, which comprises: An electromagnetic valve is provided with an air inlet and an air outlet; A cylinder body is connected with the electromagnetic valve and is provided with a first air path, a second air path and a third air path, the first air path is connected with the air inlet, the second air path is connected with the air outlet, the second air path is provided with a piston movement assembly, the third air path is provided with a vacuum material suction assembly, and the piston movement assembly is connected with the vacuum material suction assembly.

2. The pneumatic device of claim 1, wherein, The second air path comprises a first branch and a second branch, the first branch is connected with the air outlet, the first branch is communicated with the second branch, and the piston movement assembly is arranged in the second branch.

3. The pneumatic device of claim 1, wherein, The piston movement assembly comprises a piston rod, a first blocking ring and a second blocking ring, the piston rod is arranged in the second branch, the first blocking ring is arranged at one end of the second branch, the second blocking ring is arranged on the piston rod, a first spring is arranged between the first blocking ring and the second blocking ring, and the first spring is sleeved on the piston rod.

4. The pneumatic device of claim 3, wherein, One end of the piston rod is provided with a sealing seat, the sealing seat is provided with a first sealing element, a second sealing element is arranged between the sealing seat and the second blocking ring, the other end of the piston rod is provided with a connecting piece, and the vacuum material suction assembly is connected with the piston rod through the connecting piece.

5. The pneumatic device of claim 4, wherein, The vacuum material suction assembly comprises a first guide rod, a suction rod and a suction head, the first guide rod is arranged in the third air path, the connecting piece is provided with a first cavity, one end of the suction rod is fixed in the first cavity, one end of the guide rod is fixed in the first cavity, the suction head is fixed at the other end of the suction rod, the first guide rod is provided with a second cavity, and the suction rod is provided with a third cavity, the second cavity of the first guide rod is the same as the third cavity of the suction rod.

6. The pneumatic device of claim 1, wherein, The first guide rod is fixed in the first cavity of the connecting piece through a first pin, the third air path is provided with a shaft sleeve and a sealing ring, and the first guide rod passes through the sealing ring and the shaft sleeve in sequence.

7. The pneumatic device of claim 1, wherein, The connecting piece is provided with a fourth cavity, one end of the piston rod passes through the fourth cavity, the piston rod is provided with a clamping spring and a second spring, the second cavity is provided with a step, one end of the second spring is connected with the clamping spring, and the other end of the second spring abuts against the step.

8. The pneumatic device of claim 1, wherein, The cylinder body is provided with a fifth cavity, the fifth cavity is provided with a shaft sleeve and a second guide rod, the second guide rod passes through the shaft sleeve, one end of the second guide rod is connected with the connecting piece, and the second guide rod is parallel to the first guide rod.

9. The pneumatic device of claim 1, wherein, A groove is arranged on the side wall of the fifth cavity, a groove is arranged on the second guide rod, the groove on the second guide rod and the groove on the fifth cavity form a limiting hole, and a second pin is arranged in the limiting hole.

10. A material taking-out apparatus characterized by comprising: The utility model relates to a pneumatic device, which comprises: The utility model relates to a pneumatic device, which comprises: A linear slide is provided with a connecting seat, the variable-distance slide is arranged on the connecting seat, the connecting seat is provided with a mounting plate, a vacuum generator and a connector are arranged on the mounting plate, the vacuum generator is connected with the negative pressure connector through a pipeline, and the connector is connected with the positive pressure connector through the pipeline. ​

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