CN211362310U - Suction nozzle for picking up components of automatic tin coating machine - Google Patents

Abstract

The utility model discloses a suction nozzle that is used for automatic tin machine that wards off to pick up components and parts, including armed lever and arm, one side outer end integrated into one piece of armed lever has circular installation piece, the outside of circular installation piece is fixed with circular connecting block, circular electromagnet has been inhaled to the terminal surface magnetism of circular connecting block, circular electromagnet is fixed on the arm, the inside at the arm is pegged graft to the one end of armed lever, be provided with coupling mechanism between armed lever and the arm, the inside inlaying of one end that circular installation piece was kept away from to the armed lever has the retaining ring sleeve, the telescopic inside sliding connection of retaining ring has piston rod, piston rod one end tip integrated into one piece has the stopper, the stopper is located the inside of armed lever, the stopper is kept away from piston rod's one end terminal surface in close contact with and has first spring, first spring is located the inside of armed lever, the one end that piston rod. The automatic picking of the tin coating machine for the components is realized, the picking precision is high, and the mounting and the dismounting are convenient.

Description

Suction nozzle for picking up components of automatic tin coating machine

Technical Field

The utility model belongs to the technical field of automatic tin machine accessory that wards off, concretely relates to a suction nozzle that is used for automatic tin machine that wards off to pick up components and parts.

Background

In the manufacturing process of aerospace electronic products, the requirement on the welding reliability of electronic components is very high, and the standard requirement is that tin coating of the components is removed by an oxide layer before welding. The increase of the number of leads of electronic components and the reduction of the distance bring higher requirements on tin coating precision, manual operation is difficult to meet the tin coating requirements, and the gradual use of automatic equipment to replace manual operation has become a current situation.

At first need the arm to pick up just can not bore tin action to the device after the device at the tin in-process of warding off, some common suction nozzles at present, set up a vacuum chuck at the end, the flexible size of sucking disc is limited, when the tray plane degree of putting components and parts is not enough, can appear sucking disc and device and appear degree of depth contact and lead to the device damage or sucking disc and device contact can't lead to phenomenon such as unable absorption, simultaneously because arm and suction nozzle need the plug cooperation, there is certain clearance, lead to suction nozzle end and axle center skew easily, in view of this, need to design one kind and can reach automatic tin-warding off demand, can guarantee again simultaneously that the relative precision of the device that is absorbed is accurate, repeated precision stabilizes pickup apparatus.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a suction nozzle that is used for automatic tin machine of warding off to propose sucking disc and device on the current tin machine of warding off in the above-mentioned background art and appear degree of depth contact and lead to device damage or sucking disc and device contact can't lead to phenomenons such as unable absorption, simultaneously because the rubber leather cup of suction nozzle end is rubber goods, playing the in-process at the warding off and having the slope operation, under the effect of gravity, the device takes place relative deflection with the suction nozzle easily, lead to the unable problem that satisfies the required precision.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a suction nozzle for picking up components of an automatic tin coating machine comprises an arm rod and a mechanical arm, wherein a circular mounting block is integrally formed at the outer end of one side of the arm rod, a circular connecting block is fixed to the outer side of the circular mounting block, a circular electromagnet is magnetically attracted to the end face of the circular connecting block and is fixed to the end portion of one end of the mechanical arm, one end, close to the circular mounting block, of the arm rod is inserted into the mechanical arm, a connecting mechanism is arranged between the arm rod and the mechanical arm, a retainer ring sleeve is embedded into the end, far away from the circular mounting block, of the arm rod, a piston connecting rod is slidably connected into the retainer ring sleeve, a retainer block is integrally formed at the end portion of one end of the piston connecting rod, the retainer block is located inside the arm rod, a first spring is closely contacted with the end face, far away from the piston connecting rod, one end of the piston connecting rod, which is far away from the limiting block, is provided with a rubber sucker, and the rubber sucker is positioned outside the arm rod.

Preferably, coupling mechanism includes the connector, the armed lever is close to the one end tip of circular installation piece and pegs graft in the connector, the connector sets up the inside at the arm, the outside symmetry of connector is fixed with the slider, the slider slides in the spout, the spout is seted up on the inner cylinder face of arm, the connector is kept away from the one end center department of armed lever and is inlayed there is the breather pipe, the second spring has been cup jointed in the breather pipe bottom outside, the second spring is located the inside of arm.

Preferably, a rubber pad is in close contact with the end of the arm lever and the inside of the connector, and the rubber pad is adhered to the middle of the inside of the connector.

Preferably, a cylinder is fixed to the outer portion of one end, far away from the circular mounting block, of the arm rod through external threads in a threaded mode, and the rubber suction cup is located in the center of the cylinder.

Preferably, a sealing ring is arranged between the inner wall of the cylinder and the external thread of the arm rod, and the sealing ring is embedded on the cylinder.

Preferably, the end face of the circular electromagnet is symmetrically fixed with positioning pins, the circular connecting block is provided with positioning holes matched with the positioning pins, the positioning pins are inserted into the positioning holes, and the end parts of the positioning pins are provided with conical chamfers.

Preferably, a clamping groove is formed in the outer wall of the end, away from the limiting block, of the piston connecting rod, a clamping block matched with the clamping groove is formed in one end of the rubber sucker in an integrated mode, and the clamping block is clamped on the clamping groove.

The utility model discloses a technological effect and advantage: the utility model provides a suction nozzle that is used for automatic tin machine that wards off to pick up components and parts compares with prior art, has following advantage:

1. the utility model discloses a breather pipe links up the arm pole inside and rubber suction cup with the vacuum apparatus of tin-plating machine, inhale through the vacuum apparatus and cause the inside negative pressure of rubber suction cup and arm pole to increase when picking up the product, and then realize and draw the product, utilize the negative pressure of air to realize picking up of product, when the tray plane degree of putting the product is not enough, can not appear rubber suction cup and product depth contact, lead to product damage or rubber suction cup and product can't contact and lead to the emergence of phenomenon such as unable absorption, improve product quality and work efficiency;

2. the utility model discloses a be fixed with circular electro-magnet on the arm, install the spacer pin on the circular electro-magnet, be fixed with the circular connecting block on the armed lever, set up the spacing hole with spacing round pin looks adaptation on the circular connecting block, and improve the precision of connecting through the cooperation of locating pin and locating hole, magnetism through circular electro-magnet is inhaled and is realized the armed lever and fixed with being connected of arm, be connected between armed lever and the arm and need not to pull out and insert the cooperation, can not lead to the axle center skew of rubber suction cup and arm, improve and draw the precision.

Drawings

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

FIG. 2 is an enlarged view of the point A of the present invention;

FIG. 3 is an enlarged view of the point B of the present invention;

FIG. 4 is an enlarged view of the point C of the present invention;

FIG. 5 is a diagram of the structure of the arm strength of the present invention;

FIG. 6 is an exploded view of the present invention;

FIG. 7 is an enlarged view of the utility model at D;

fig. 8 is an enlarged view of the position E of the present invention.

Reference numerals: 1. an arm lever; 2. a mechanical arm; 3. a circular mounting block; 4. a circular connecting block; 5. a circular electromagnet; 6. a connecting mechanism; 601. a connector; 602. a slider; 603. a chute; 604. a breather pipe; 605. a second spring; 606. a rubber pad; 7. a retainer ring sleeve; 8. a piston connecting rod; 9. a limiting block; 10. a first spring; 11. a rubber suction cup; 12. an external thread; 13. a cylinder; 14. positioning pins; 15. positioning holes; 16. conical chamfering; 17. a card slot; 18. a clamping block; 19. and (5) sealing rings.

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. The specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in figures 1, 2, 6 and 7, a suction nozzle for picking up components of an automatic tin coating machine comprises an arm rod 1 and a mechanical arm 2, wherein the mechanical arm 2 is installed on the automatic tin coating machine, a circular installation block 3 is integrally formed at the outer end of one side of the arm rod 1, a circular connecting block 4 is fixed at the outer side of the circular installation block 3, a circular electromagnet 5 is magnetically attracted to the end surface of the circular connecting block 4, the circular connecting block 4 is made of a metal iron material so as to facilitate the magnetic attraction of the circular electromagnet 5, the circular electromagnet 5 is fixed at one end part of the mechanical arm 2, one end of the arm rod 1 close to the circular installation block 3 is inserted into the mechanical arm 2, positioning pins 14 are symmetrically fixed on the end surface of the circular electromagnet 5 in order to improve the precision when the arm rod 1 is connected with the mechanical arm 2, positioning holes 15 matched with the positioning pins 14 are formed in the circular connecting block 4, the positioning, the end part of the positioning pin 14 is provided with a conical chamfer 16, so that the positioning pin 14 can be conveniently and smoothly inserted into the positioning hole 15;

as shown in fig. 1, 2 and 5, a connecting mechanism 6 is arranged between the arm 1 and the robot arm 2, the connecting mechanism 6 includes a connector 601, one end of the arm 1 close to the circular mounting block 3 is inserted into the connector 601, the connector 601 is arranged inside the robot arm 2, in order to improve the sealing performance between the arm 1 and the connector 601 and prevent air leakage, a rubber pad 606 is tightly contacted between the end of the arm 1 and the inside of the connector 601, the rubber pad 606 is adhered to the middle inside of the connector 601 to achieve a sealing effect, sliders 602 are symmetrically fixed on the outside of the connector 601, the sliders 602 slide in a sliding groove 603, the sliding groove 603 is opened on the inner cylindrical surface of the robot arm 2, a vent pipe 604 is embedded in the center of one end of the connector 601 far from the arm 1, a second spring 605 is sleeved on the outside of the bottom end of the vent pipe 604, the second spring 605 is located inside the robot arm 2, the sealing connection between the arm rod 1 and the vent pipe 604 is realized, the connection is convenient, and the sealing performance is good;

as shown in fig. 1, 3 and 4, a retainer ring sleeve 7 is embedded in one end of the arm lever 1, which is far away from the circular mounting block 3, a piston connecting rod 8 is connected in the retainer ring sleeve 7 in a sliding manner, a limiting block 9 is integrally formed at one end of the piston connecting rod 8, the limiting block 9 is located in the arm lever 1, a first spring 10 is closely contacted with the end face of one end of the limiting block 9, which is far away from the piston connecting rod 8, and the first spring 10 is located in the arm lever 1;

as shown in fig. 1, 4, 5, 6 and 8, a rubber suction cup 11 is arranged at one end of the piston connecting rod 8 far away from the limit block 9, the rubber suction cup 11 is positioned outside the arm 1, a cylinder 13 is fixed outside one end of the arm 1 far away from the circular mounting block 3 through a screw thread 12, the rubber suction cup 11 is arranged at the center of the cylinder 13, the center of the rubber suction cup 11 is communicated with the inside of the arm 1, in order to prevent gas from leaking out from the gap between the arm 1 and the cylinder 13, be provided with sealing washer 19 between the inner wall of drum 13 and the external screw thread 12 of armed lever 1, sealing washer 19 inlays on drum 13, plays sealed effect, has seted up draw-in groove 17 on the one end outer wall that stopper 9 was kept away from to piston rod 8, and the inside integrated into one piece of one end of rubber suction cup 11 has the fixture block 18 with draw-in groove 17 looks adaptation, and fixture block 18 joint realizes the fixed connection between rubber suction cup 11 and the piston rod 8 on draw-in groove 17.

The working principle is as follows: firstly, inserting one end, close to a circular connecting block 4, of an arm rod 1 into a mechanical arm 2, then pushing the arm rod 1 inwards, further inserting a positioning hole 15 in the circular connecting block 4 into a positioning pin 14 in a circular electromagnet 5, simultaneously electrifying the circular electromagnet 5, further generating magnetic force by the circular electromagnet 5 to magnetically attract the circular connecting block 4, and realizing the connection of the arm rod 1 and the mechanical arm 2;

meanwhile, the end of the arm lever 1 is inserted into the connector 601 and retreats to press the connector 601 backwards, the connector 601 slides backwards along the sliding groove 603, the connector 601 compresses the second spring 605, the second spring 605 generates a reaction force on the connector 601, the end of the arm lever 1 is in close contact with the rubber pad 606 of the connector 601, the inner cavity of the arm lever 1 is communicated with the connector 601, the connector 601 is communicated with the vent pipe 604, and the arm lever 1 is communicated with the vent pipe 604;

the mechanical arm 2 drives the rubber sucker 11 to move right above a product, then a vacuum device on the tin coating machine is opened, the vacuum device is communicated with the vent pipe 604, air is filled in through the hollow position of the rubber sucker 11, the rubber sucker 11 is in contact with the upper surface of the product, the air inlet of the rubber sucker 11 is blocked by the product after the contact, the air in the rubber sucker 11 and the arm rod 1 is pumped out, the negative pressure is increased, and the product is sucked by the rubber sucker 11;

under the action of air pressure, the rubber sucker 11 drives the piston connecting rod 8 to slide backwards in the retainer ring sleeve 7, then the rubber sucker 11 drives the product to slide backwards until the product is in close contact with the end face of the cylinder 13, and meanwhile, the limiting block 9 on the piston connecting rod 8 compresses the first spring 10;

then the mechanical arm 2 drives the product to a preset position for tin coating, after tin coating operation is completed, the mechanical arm 2 moves the product to a position right above a position needing to be released, a vacuum device of a tin coating machine is closed, compressed air is released, negative pressure in the arm rod 1 and the rubber sucker 11 is reduced, meanwhile, the elastic force of the first spring 10 pushes the piston connecting rod 8 forwards, then the product is released to be separated from the rubber sucker 11 and fall into the preset position, and the whole picking process is finished.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. The utility model provides a suction nozzle that is used for automatic tin machine of warding off to pick up components and parts, includes armed lever (1) and arm (2), its characterized in that: the outer end of one side of the arm rod (1) is integrally formed with a circular mounting block (3), the outer side of the circular mounting block (3) is fixed with a circular connecting block (4), the end face of the circular connecting block (4) is magnetically attracted with a circular electromagnet (5), the circular electromagnet (5) is fixed at the end part of one end of the mechanical arm (2), one end of the arm rod (1) close to the circular mounting block (3) is inserted into the mechanical arm (2), a connecting mechanism (6) is arranged between the arm rod (1) and the mechanical arm (2), a check ring sleeve (7) is embedded into the end of the arm rod (1) far away from the circular mounting block (3), a piston connecting rod (8) is slidably connected inside the check ring sleeve (7), a limit block (9) is integrally formed at the end part of one end of the piston connecting rod (8), and the limit block (9) is positioned inside the arm rod (1), stopper (9) keep away from the one end terminal surface in close contact with of piston connecting rod (8) has first spring (10), first spring (10) are located the inside of armed lever (1), the one end that stopper (9) were kept away from in piston connecting rod (8) is provided with rubber suction cup (11), rubber suction cup (11) are located the outside of armed lever (1).

2. The suction nozzle for picking up components of the automatic tin coating machine according to claim 1, is characterized in that: coupling mechanism (6) are including connector (601), one end tip that armed lever (1) is close to circular installation piece (3) is pegged graft in connector (601), connector (601) set up the inside in arm (2), the outside symmetry of connector (601) is fixed with slider (602), slider (602) slides in spout (603), spout (603) are seted up on the inner cylinder face of arm (2), the one end center department of armed lever (1) is kept away from in connector (601) inlays and has breather pipe (604), second spring (605) have been cup jointed in breather pipe (604) bottom outside, second spring (605) are located the inside of arm (2).

3. The suction nozzle for picking up components of the automatic tin coating machine according to claim 2 is characterized in that: a rubber pad (606) is tightly contacted between the end of the arm lever (1) and the inside of the connector (601), and the rubber pad (606) is adhered to the middle inside the connector (601).

4. The suction nozzle for picking up components of the automatic tin coating machine according to claim 1, is characterized in that: the outer portion of one end, far away from the circular mounting block (3), of the arm rod (1) is fixedly provided with a cylinder (13) in a threaded mode through an external thread (12), and the rubber sucker (11) is located in the center of the cylinder (13).

5. The suction nozzle for picking up components and parts of the automatic tin coating machine as claimed in claim 4, wherein: a sealing ring (19) is arranged between the inner wall of the cylinder (13) and the external thread (12) of the arm rod (1), and the sealing ring (19) is embedded on the cylinder (13).

6. The suction nozzle for picking up components of the automatic tin coating machine according to claim 1, is characterized in that: the end face of the round electromagnet (5) is symmetrically fixed with positioning pins (14), the round connecting block (4) is provided with positioning holes (15) matched with the positioning pins (14), the positioning pins (14) are inserted into the positioning holes (15), and the end parts of the positioning pins (14) are provided with conical chamfers (16).

7. The suction nozzle for picking up components of the automatic tin coating machine according to claim 1, is characterized in that: the rubber suction cup is characterized in that a clamping groove (17) is formed in the outer wall of one end, far away from the limiting block (9), of the piston connecting rod (8), a clamping block (18) matched with the clamping groove (17) is formed in one end of the rubber suction cup (11) in an integrated mode, and the clamping block (18) is connected to the clamping groove (17) in a clamped mode.

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