CN214348326U

CN214348326U - Manipulator dust removal mechanism that blows

Info

Publication number: CN214348326U
Application number: CN202120311827.XU
Authority: CN
Inventors: 吴正中; 温想华; 谢棚臣; 黄勇文
Original assignee: Dongguan Langming Precision Machinery Technology Co ltd
Current assignee: Dongguan Langming Precision Machinery Technology Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-10-08
Anticipated expiration: 2031-02-03

Abstract

The application relates to the field of manipulators, in particular to a manipulator air blowing and dust removing mechanism which comprises a chuck cylinder, wherein the chuck cylinder comprises a cylinder body, a piston rod, a piston and an end cover, a cavity is arranged in the cylinder body, the cavity comprises a guide sliding channel and an opening, and the end cover covers the opening; the piston rod comprises a connecting end and a fixed end, the fixed end is fixed in the cavity and is in sliding sealing connection with the inner wall of the cavity, and the connecting end extends out of the cylinder body through the sliding guide channel; the piston is sleeved on the connecting end in a sliding mode and comprises a sleeved end and a sealing end, the outer wall of the sealing end is connected with the inner wall of the cylinder body in a sliding and sealing mode, the inner wall of the sealing end is connected with the outer wall of the connecting end in a sliding and sealing mode, the outer wall of the sleeved end is connected with the inner wall of the guide sliding channel in a sliding and sealing mode, an air guide gap is reserved between the sleeved end and the connecting end, an air conveying channel is arranged in the piston rod, an air inlet channel is arranged on the end cover, and the air inlet channel, the air conveying channel and the air guide gap are communicated with one another. This application has the effect of the downthehole dust of high-efficient clearance printed circuit board.

Description

Manipulator dust removal mechanism that blows

Technical Field

The application relates to the field of manipulators, in particular to a manipulator blowing and dedusting mechanism.

Background

Pcb (printed Circuit board), which is called printed Circuit board in chinese, is an important electronic component, is a support for electronic components, and is a carrier for electrical connection of electronic components.

At present, holes are required to be turned on the printed circuit board generally in order to fix the printed circuit board or route wires, after the holes are turned, some dust is left in the holes, the dust in the holes is difficult to remove through manual rags, and the removing efficiency is low.

In view of the above-mentioned related art, the inventors consider that there is a defect that dust in the holes of the printed circuit board is difficult to remove.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the downthehole dust of printed circuit board is difficult to clear away, this application provides a manipulator dust removal mechanism that blows, has the effect of the downthehole dust of high-efficient clearance printed circuit board.

The application provides a manipulator dust removal mechanism that blows adopts following technical scheme:

a manipulator blowing and dedusting mechanism comprises a chuck cylinder, wherein the chuck cylinder comprises a cylinder body, a piston rod, a piston and an end cover, a cavity is arranged in the cylinder body, the cavity comprises a guide sliding channel and an opening, and the end cover covers the opening;

the piston rod comprises a connecting end and a fixed end, the fixed end is fixed at one end, close to the opening, in the cavity, the fixed end is connected with the inner wall of the cavity in a sliding and sealing mode, and the connecting end extends out of the cylinder body through the sliding guide channel;

the piston is sleeved on the connecting end in a sliding mode and comprises a sleeved end and a sealing end, the outer wall of the sealing end is connected with the inner wall of the cylinder body in a sliding and sealing mode, the inner wall of the sealing end is connected with the outer wall of the connecting end in a sliding and sealing mode, the outer wall of the sleeved end is connected with the inner wall of the sliding guide channel in a sliding and sealing mode, a gas guide gap is reserved between the sleeved end and the connecting end, a gas transmission channel is arranged in the piston rod, a gas inlet channel is arranged on the end cover, and the gas inlet channel, the gas transmission channel and the gas guide gap are communicated with each other.

Through adopting above-mentioned technical scheme, after the hole operation is accomplished to changeing, blow outside compressed air to the printed circuit board downthehole from the air guide clearance through inlet channel and defeated gas passageway, blow off the downthehole dust of printed circuit board, can accomplish the downthehole dust clearance of printed circuit board by the efficient, effectively improve the efficiency of cleaing away the downthehole dust of printed circuit board.

Preferably, the inner wall of the sleeving end is provided with an air blowing groove, the air blowing groove is far away from the joint of the sleeving end and the sealing end, and the air blowing groove is communicated with the air guide gap.

By adopting the technical scheme, the external compressed air in the air guide gap is guided by the air blowing groove to blow out one end of the sleeving end, which is far away from the sealing end, and the sleeving end is aligned with the hole of the printed circuit board, so that the dust in the hole of the printed circuit board can be blown out, and the efficiency of removing the dust in the hole of the printed circuit board is effectively improved.

Preferably, the gas transmission channel comprises a gas inlet end and a gas outlet end, and the diameter of the gas inlet end is larger than that of the gas outlet end.

Through adopting above-mentioned technical scheme, make outside compressed air through the end of admitting air defeated to give vent to anger the time velocity of flow faster when the end, the outside compressed air velocity of flow that blows off from the air guide clearance is faster, and the downthehole dust efficiency of clearance printed circuit board is higher.

Preferably, the air outlet end is provided with an air outlet hole, the air outlet hole is communicated with the air guide gap, and the diameter of the air outlet hole is smaller than that of the air outlet end.

By adopting the technical scheme, the air outlet hole is communicated with the air guide gap, the air transmission channel is communicated with the air guide gap, the diameter of the air outlet hole is smaller than that of the air outlet end, and the flow rate of external compressed air in the air outlet hole can be further accelerated.

Preferably, the air inlet channel is provided with an air expansion cavity towards the air inlet end, the air expansion cavity is communicated with the air inlet end, and the diameter of the air expansion cavity is larger than that of the air inlet channel.

By adopting the technical scheme, the air inlet channel is communicated with the air transmission channel, and external compressed air is input into the air transmission channel from the air inlet channel.

Preferably, the link with stiff end integrated into one piece, be close to in the cavity the open-ended one end is equipped with fixed step, stiff end circumference is equipped with the fixed card limit, the fixed card limit support in fixed step.

Through adopting above-mentioned technical scheme, link and stiff end integrated into one piece make piston rod intensity higher, and fixed card limit supports in fixed step, makes the stiff end of piston rod restrict in the cavity.

Preferably, the circumference outer wall of stiff end is equipped with first seal groove, be equipped with first sealing ring in the first seal groove, first sealing ring support in the circumference outer wall of stiff end with between the cylinder body inner wall.

Through adopting above-mentioned technical scheme, realize stiff end and cavity inner wall sliding seal and be connected.

Preferably, a second sealing groove is formed in the circumferential outer wall of the sealing end, a second sealing ring is arranged in the second sealing groove, and the second sealing ring abuts against the space between the circumferential outer wall of the sealing end and the inner wall of the cylinder body;

the inner wall of the sealing end is provided with a third sealing groove, a third sealing ring is arranged in the third sealing groove, and the third sealing ring is abutted between the inner wall of the sealing end and the outer wall of the connecting end.

Through adopting above-mentioned technical scheme, realize the outer wall and the cylinder body inner wall sliding seal of sealed end and be connected, realize the inner wall and the link outer wall sliding seal of sealed end and be connected.

Preferably, the inner wall of the sliding guide channel is provided with a fourth sealing groove, a fourth sealing ring is arranged in the fourth sealing groove, and the fourth sealing ring abuts between the inner wall of the sliding guide channel and the outer wall of the sleeving end.

By adopting the technical scheme, the outer wall of the sleeved end is connected with the inner wall of the guide sliding channel in a sliding and sealing manner.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after hole turning operation is completed, external compressed air is blown into the holes of the printed circuit board from the air guide gap through the air inlet channel and the air transmission channel, and dust in the holes of the printed circuit board is blown out, so that the dust in the holes of the printed circuit board can be efficiently cleaned, and the efficiency of cleaning the dust in the holes of the printed circuit board is effectively improved;

2. the diameter of the air inlet end is larger than that of the air outlet end, so that the flow speed of external compressed air is higher when the external compressed air is conveyed to the air outlet end through the air inlet end, the flow speed of the external compressed air blown out from the air guide gap is higher, and the efficiency of cleaning dust in holes of the printed circuit board is higher.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present application.

Fig. 2 is a schematic cross-sectional structure diagram of an embodiment of the present application.

Fig. 3 is a schematic sectional exploded view of an embodiment of the present application.

Fig. 4 is a schematic sectional structure view of a piston rod and a piston according to an embodiment of the present application.

Fig. 5 is a schematic cross-sectional structure diagram of an end cap according to an embodiment of the present application.

Description of reference numerals: 1. a chuck cylinder; 2. a cylinder body; 21. a chamber; 211. fixing the step; 212. a first air hole; 213. a second air hole; 22. a slide guide channel; 221. a fourth seal groove; 222. a fourth seal ring; 23. an opening; 3. a piston rod; 31. a connecting end; 32. a fixed end; 321. fixing the clamping edge; 322. a first seal groove; 323. a first seal ring; 33. A gas transmission channel; 331. an air inlet end; 332. an air outlet end; 333. an air outlet; 334 a conical section; 4. a piston; 41. a sleeving end; 42. sealing the end; 421. a second seal groove; 422. a second seal ring; 423. a third seal groove; 424. a third seal ring; 43. an air guiding gap; 44. an air blowing groove; 5. an end cap; 51. an air intake passage; 52. and an air expansion cavity.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses manipulator dust removal mechanism of blowing.

Referring to fig. 1 and 2, the manipulator blowing dust removal mechanism comprises a chuck cylinder 1, the chuck cylinder 1 comprises a cylinder body 2, a piston rod 3, a piston 4 and an end cover 5, a cavity 21 is arranged in the cylinder body 2, the cavity 21 comprises a guide sliding channel 22 and an opening 23, the end cover 5 is provided with a through hole, one end of the cylinder body 2, which is located at the opening 23, is provided with a screw hole, a bolt penetrates through the through hole of the end cover 5 to be connected with the screw hole of the cylinder body 2, so that the end cover 5 firmly covers the opening 23, and the opening 23 is sealed.

The longitudinal section of the piston rod 3 is in a T shape, the piston rod 3 comprises a connecting end 31 and a fixed end 32, the fixed end 32 is fixed at one end, close to the opening 23, in the chamber 21, and the fixed end 32 is connected with the inner wall of the chamber 21 in a sliding and sealing mode to ensure the air tightness of the fixed end 32 and the chamber 21; the connecting end 31 extends out of the cylinder 2 through the slide guide passage 22.

The longitudinal section of the piston 4 is in a T shape, the piston 4 is sleeved on the connecting end 31 in a sliding mode, the piston 4 comprises a sleeved end 41 and a sealing end 42, the outer wall of the sealing end 42 is connected with the inner wall of the cylinder body 2 in a sliding and sealing mode, and the air tightness of the sealing end 42 and the cylinder body 2 is guaranteed; the inner wall of the sealing end 42 is connected with the outer wall of the connecting end 31 in a sliding and sealing manner, so that the air tightness of the sealing end 42 and the connecting end 31 is ensured; the outer wall of the sleeving end 41 is connected with the inner wall of the sliding guide channel 22 in a sliding and sealing manner, so that the airtightness between the sleeving end 41 and the sliding guide channel 22 is ensured; leave air guide clearance 43 between the inner wall of cup joint end 41 and the outer wall of link 31, be equipped with air transmission channel 33 along the axis in the piston rod 3, end cover 5 radially is equipped with inlet channel 51, air transmission channel 33 and air guide clearance 43 communicate each other, inlet channel 51 is connected with the gas blow pipe of outside air compressor machine during the use, can be with the leading-in air guide clearance 43 of outside compressed air in, after the hole operation is accomplished in changeing, blow outside compressed air from air guide clearance 43 to the printed circuit board downthehole through inlet channel 51 and air transmission channel 33, blow out the downthehole dust of printed circuit board, can accomplish the downthehole dust clearance of printed circuit board by the efficient, effectively improve the efficiency of cleaining away the downthehole dust of printed circuit board.

Referring to fig. 2, the air blowing groove 44 is recessed in the inner wall of the sleeving end 41, the air blowing groove 44 is far away from the joint of the sleeving end 41 and the sealing end 42, and the air blowing groove 44 is communicated with the air guide gap 43, so that external compressed air in the air guide gap 43 is guided by the air blowing groove 44 to blow out one end of the sleeving end 41, which is far away from the sealing end 42, and is aligned with the hole of the printed circuit board through the sleeving end 41, thereby blowing out dust in the hole of the printed circuit board, efficiently cleaning the dust in the hole of the printed circuit board, and effectively improving the efficiency of cleaning the dust in the hole of the printed circuit board.

Referring to fig. 4, the air delivery channel 33 includes an air inlet 331 and an air outlet 332, the cross sections of the air inlet 331 and the air outlet 332 are circular, in other embodiments, the cross sections of the air inlet 331 and the air outlet 332 may also be square or other shapes, the diameter D1 of the air inlet 331 is greater than the diameter D2 of the air outlet 332, and according to bernoulli's equation, when the external compressed air is delivered to the small-diameter air outlet 332 through the large-diameter air inlet 331 under the condition of constant total pressure, the static pressure of the external compressed air in the small-diameter air outlet 332 is reduced, the dynamic pressure is increased, and the external compressed air flow rate is faster.

Preferably, a tapered section 334 is disposed between the air inlet 331 and the air outlet 332, the end with the larger diameter of the tapered section 334 faces the air inlet 331, the end with the smaller diameter of the tapered section 334 faces the air outlet 332, and external compressed air is guided by the tapered section 334 to be delivered from the air inlet 331 to the air outlet 332.

Referring to fig. 4, an air outlet hole 333 is radially arranged at one end of the air outlet end 332 close to the slide guiding channel 22, the cross section of the air outlet hole 333 is circular, the air outlet hole 333 is communicated with the air guiding gap 43, so that the external compressed air in the air transmission channel 33 is input into the air guiding gap 43, the diameter D3 of the air outlet hole 333 is smaller than that of the air outlet end 332, the flow velocity of the external compressed air in the air outlet hole 333 can be further increased, the flow velocity of the external compressed air blown out from the air guiding gap 43 is faster, and the efficiency of cleaning dust in the hole of the printed circuit board is higher.

Referring to fig. 4 and 5, the air inlet passage 51 is provided with an air expansion chamber 52 along the axis of the end cover 5 towards the air inlet end 331, the cross section of the air expansion chamber 52 is the same as that of the air outlet end 332, the air expansion chamber 52 and the air delivery passage 33 are coaxially arranged, so that the air expansion chamber 52 is communicated with the air inlet end 331, the air inlet passage 51 is communicated with the air delivery passage 33, and external compressed air is input into the air delivery passage 33 from the air inlet passage 51.

Preferably, the diameter D4 of the air-diffusing chamber 52 is greater than the diameter D1 of the air-intake end 331, and according to the bernoulli equation, when the external compressed air flows to the small-diameter air-intake end 331 through the large-diameter air-diffusing chamber 52 under the condition of constant total pressure, the static pressure of the external compressed air in the small-diameter air-intake end 331 is reduced and the dynamic pressure is increased, so that the flow rate of the external compressed air flowing from the air-diffusing chamber 52 to the air-intake end 331 is faster.

Referring to fig. 3, the connecting end 31 and the fixing end 32 are integrally formed, so that the piston rod 3 has higher strength.

A fixing step 211 is circumferentially disposed at an end of the chamber 21 close to the opening 23, a fixing clip 321 is circumferentially disposed at the fixing end 32, and the fixing clip 321 abuts against the fixing step 211, so that the fixing end 32 is fixed at an end of the chamber 21 close to the opening 23.

Referring to fig. 4, a first sealing groove 322 is formed in the circumferential outer wall of the fixed end 32, the cross section of the first sealing groove 322 is U-shaped, a first sealing ring 323 is arranged in the first sealing groove 322, the first sealing ring 323 is a rubber sealing ring, so that the first sealing ring 323 has elasticity, the cross section of the first sealing ring 323 is circular, and the first sealing ring 323 abuts against between the circumferential outer wall of the fixed end 32 and the inner wall of the cylinder body 2, so that the fixed end 32 is connected with the inner wall of the cavity 21 in a sliding and sealing manner.

Referring to fig. 4, a second sealing groove 421 is formed in the circumferential outer wall of the sealing end 42, the section of the second sealing groove 421 is U-shaped, a second sealing ring 422 is arranged in the second sealing groove 421, the second sealing ring 422 is a rubber sealing ring, so that the second sealing ring 422 has elasticity, the section of the second sealing ring 422 is 8-shaped, and the second sealing ring 422 abuts between the circumferential outer wall of the sealing end 42 and the inner wall of the cylinder body 2, so that the outer wall of the sealing end 42 is connected with the inner wall of the cylinder body 2 in a sliding and sealing manner.

The inner wall of sealing end 42 is equipped with third seal groove 423, third seal groove 423 cross-section is the U-shaped, be equipped with third sealing ring 424 in the third seal groove 423, third sealing ring 424 is the rubber seal ring, makes third sealing ring 424 have elasticity, third sealing ring 424 cross-section is the Y-shaped, the great one end of third sealing ring 424 diameter is towards stiff end 32, third sealing ring 424 supports between the inner wall of sealing end 42 and the link 31 outer wall, realizes that the inner wall of sealing end 42 and link 31 outer wall sliding seal are connected.

Referring to fig. 3, a fourth sealing groove 221 is formed in the inner wall of the sliding guide channel 22, the cross section of the fourth sealing groove 221 is U-shaped, a fourth sealing ring 222 is arranged in the fourth sealing groove 221, the fourth sealing ring 222 is a rubber sealing ring, so that the fourth sealing ring 222 has elasticity, the cross section of the fourth sealing ring 222 is Y-shaped, one end of the fourth sealing ring 222 with a larger diameter faces the opening 23, and the fourth sealing ring 222 is abutted between the inner wall of the sliding guide channel 22 and the outer wall of the sleeve end 41, so that the outer wall of the sleeve end 41 is slidably and sealingly connected with the inner wall of the sliding guide channel 22.

The implementation principle of a manipulator blowing dust removal mechanism of the embodiment of the application is as follows: during the use with inlet channel 51 and outside air compressor's gas blow pipe connection, inlet channel 51, defeated gas passageway 33 and air guide clearance 43 intercommunication each other, outside compressed air can blow off from air guide clearance 43, when changeing the hole operation and accomplish the back, aim at the printed circuit board hole with air guide clearance 43, outside compressed air blows off the downthehole dust of printed circuit board, can accomplish the downthehole dust clearance of printed circuit board by the efficient, effectively improves the efficiency of cleaing away the downthehole dust of printed circuit board.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a manipulator dust removal mechanism of blowing, includes chuck cylinder (1), its characterized in that: the chuck cylinder (1) comprises a cylinder body (2), a piston rod (3), a piston (4) and an end cover (5), a cavity (21) is arranged in the cylinder body (2), the cavity (21) comprises a guide sliding channel (22) and an opening (23), and the end cover (5) covers the opening (23);

the piston rod (3) comprises a connecting end (31) and a fixed end (32), the fixed end (32) is fixed at one end, close to the opening (23), in the cavity (21), the fixed end (32) is connected with the inner wall of the cavity (21) in a sliding and sealing mode, and the connecting end (31) extends out of the cylinder body (2) through the sliding guide channel (22);

the piston (4) is sleeved on the connecting end (31) in a sliding mode, the piston (4) comprises a sleeved end (41) and a sealing end (42), the outer wall of the sealing end (42) is connected with the inner wall of the cylinder body (2) in a sliding and sealing mode, the inner wall of the sealing end (42) is connected with the outer wall of the connecting end (31) in a sliding and sealing mode, the outer wall of the sleeved end (41) is connected with the inner wall of the sliding guide channel (22) in a sliding and sealing mode, an air guide gap (43) is reserved between the sleeved end (41) and the connecting end (31), an air transmission channel (33) is arranged in the piston rod (3), an air inlet channel (51) is arranged on the end cover (5), and the air inlet channel (51), the air transmission channel (33) and the air guide gap (43) are communicated with each other.

2. The manipulator blowing dust removal mechanism according to claim 1, characterized in that: the inner wall of the sleeving end (41) is provided with a blowing groove (44), and the blowing groove (44) is communicated with the air guide gap (43).

3. The manipulator blowing dust removal mechanism according to claim 1, characterized in that: the gas transmission channel (33) comprises a gas inlet end (331) and a gas outlet end (332), and the diameter of the gas inlet end (331) is larger than that of the gas outlet end (332).

4. The manipulator blowing dust removal mechanism according to claim 3, characterized in that: the air outlet end (332) is provided with an air outlet hole (333), the air outlet hole (333) is communicated with the air guide gap (43), and the diameter of the air outlet hole (333) is smaller than that of the air outlet end (332).

5. The manipulator blowing dust removal mechanism according to claim 4, characterized in that: the air inlet channel (51) is provided with an air expansion cavity (52) facing the air inlet end (331), and the air expansion cavity (52) is communicated with the air inlet end (331).

6. The manipulator blowing dust removal mechanism according to claim 1, characterized in that: link (31) with stiff end (32) integrated into one piece, be close to in cavity (21) the one end of opening (23) is equipped with fixed step (211), stiff end (32) circumference is equipped with fixed card limit (321), fixed card limit (321) support in fixed step (211).

7. The manipulator air blowing and dust removing mechanism according to claim 6, characterized in that: the circumference outer wall of stiff end (32) is equipped with first seal groove (322), be equipped with first sealing ring (323) in first seal groove (322), first sealing ring (323) support in the circumference outer wall of stiff end (32) with between cylinder body (2) inner wall.

8. The manipulator air blowing and dust removing mechanism according to claim 7, characterized in that: a second sealing groove (421) is formed in the circumferential outer wall of the sealing end (42), a second sealing ring (422) is arranged in the second sealing groove (421), and the second sealing ring (422) is abutted between the circumferential outer wall of the sealing end (42) and the inner wall of the cylinder body (2);

the inner wall of sealed end (42) is equipped with third seal groove (423), be equipped with third sealing ring (424) in third seal groove (423), third sealing ring (424) support in the inner wall of sealed end (42) with between link (31) outer wall.

9. The manipulator air blowing and dust removing mechanism according to claim 8, characterized in that: the inner wall of the sliding guide channel (22) is provided with a fourth sealing groove (221), a fourth sealing ring (222) is arranged in the fourth sealing groove (221), and the fourth sealing ring (222) abuts against the inner wall of the sliding guide channel (22) and the outer wall of the sleeved end (41).