CN111745256A

CN111745256A - Pneumatic clamping jaw for grabbing and inserting electronic component

Info

Publication number: CN111745256A
Application number: CN202010656290.0A
Authority: CN
Inventors: 吴海斌
Original assignee: Al Micro Vision System Changzhou Co Ltd
Current assignee: Al Micro Vision System Changzhou Co Ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2020-10-09

Abstract

The invention discloses a pneumatic clamping jaw for grabbing and splicing electronic components, which comprises a shell, wherein the shell comprises an air inlet channel and an inner cavity, the air inlet channel is communicated with the inner cavity, a pressure rod, a spring and a guide ring are arranged in the inner cavity of the shell, the spring is sleeved on the upper part of the pressure rod, the guide ring is fixed at the bottom of the inner cavity of the shell, the tail end of the lower part of the pressure rod is hinged with a group of clamping jaws, the pressure rod can slide in the inner cavity of the shell along the vertical direction and is guided by the guide ring, and the pressure rod drives the clamping jaws to move in the horizontal direction at the bottom. The invention provides a pneumatic clamping jaw for grabbing and inserting electronic components, which can grab electronic components with different specifications and has a buffering effect when the electronic components are inserted.

Description

Pneumatic clamping jaw for grabbing and inserting electronic component

Technical Field

The invention relates to a pneumatic clamping jaw for grabbing and inserting electronic components, and belongs to the field of electronic component inserting machines.

Background

At present, when components are welded on a PCB, electronic components need to be inserted on the PCB in advance and then welded, and manual welding wastes time and labor. Therefore, the technology that the robot arm grabs the component for plugging is carried out.

Most of the existing plug-in machines adopt pneumatic clamping jaws to grab components, but the existing plug-in machines can only grab the components with certain sizes and specifications, and have poor adaptability. When snatching components and parts, because the centre gripping is unstable, lead to components and parts scheduling problem that drops.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a pneumatic clamping jaw for grabbing and inserting electronic components, which can grab electronic components with different specifications and has a buffering effect when the electronic components are inserted.

In order to solve the technical problems, the technical scheme of the invention is as follows:

the utility model provides a pneumatic clamping jaw that is used for electronic components to snatch grafting, it includes the shell, the shell includes intake duct and inner chamber, intake duct and inner chamber intercommunication, be provided with depression bar, spring and guide ring in the inner chamber of shell, the spring housing is established on the upper portion of depression bar, the inner chamber bottom at the shell is fixed to the guide ring, the terminal articulated a set of clamping jaw that has in lower part of depression bar, the depression bar can slide and lead by the guide ring along the vertical direction in the inner chamber of shell, the depression bar drives the clamping jaw and removes along the horizontal direction in the bottom of shell.

Further, the inner chamber of shell has set gradually spout, first step, second step, third step and draw-in groove from last to down, the upper portion of depression bar can slide in the spout, the bottom of guide ring be provided with the jump ring of draw-in groove joint, the third step is suitable for and carries on spacingly to the top of guide ring, the second step is suitable for and carries on spacingly to the middle part of depression bar, the one end of spring and the middle part butt of depression bar, the other end and the first step butt of spring.

Further, the upper portion and the middle part axial of depression bar are provided with air feed channel, the lower part of depression bar radially is provided with air outlet channel, air feed channel and air outlet channel intercommunication.

Furthermore, the guide ring is internally provided with a through hole used for sliding the lower part of the pressing rod, the periphery of the through hole is provided with a first air storage groove and a second air storage groove, the first air storage groove is positioned above the second air storage groove, and the periphery of the guide ring is provided with a third air storage groove.

Further, the bottom of shell is provided with a set of slide, two the clamping jaw links to each other through the lower part of connecting rod with the depression bar respectively, the one end and the clamping jaw of connecting rod are articulated, the other end of connecting rod is articulated with the lower part of depression bar, the clamping jaw can remove in the slide.

Further, the clamping jaw includes slider and grip block, the grip block is connected with the one end of slider is perpendicular, the other end of slider is articulated with the one end of connecting rod, the slider slides with the slide cooperation.

By adopting the technical scheme, the clamping jaws are driven to horizontally move by the up-and-down movement of the pressing rods, so that electronic components with different specifications can be grabbed, and the grabbing of the clamping jaws is powerful and stable in the whole grabbing process through the acting force of the springs and the air pressure. The invention has simple structure, simple and convenient installation and disassembly and convenient maintenance.

Drawings

Fig. 1 is a front view of a pneumatic clamping jaw for grabbing and inserting an electronic component according to the invention;

FIG. 2 is a front view of the housing of the present invention;

FIG. 3 is a schematic view of the internal structure of FIG. 1;

FIG. 4 is a schematic view of the engagement of the compression bar and the clamping jaw of the present invention;

FIG. 5 is a schematic view of the guide ring of the present invention;

fig. 6 is a cross-sectional view of a pneumatic clamping jaw for grabbing and inserting an electronic component according to the invention;

FIG. 7 is a cross-sectional view of the guide ring of the present invention;

fig. 8 is a cross-sectional view of the housing of the present invention.

Detailed Description

In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

As shown in figures 1-8, a pneumatic clamping jaw for electronic components snatchs grafting, it includes shell 1, and shell 1 includes intake duct 11 and inner chamber, and intake duct 11 and inner chamber intercommunication, intake duct 11 pass through the pipeline with the cylinder and link to each other, are provided with depression bar 2, spring 3 and guide ring 4 in the inner chamber of shell 1, and the upper portion at depression bar 2 is established to spring 3 cover, and guide ring 4 is fixed in the inner chamber bottom of shell 1, and the terminal articulated a set of clamping jaw 5 that has in the lower part of depression bar 2. The cylinder ventilates in to intake duct 11, gaseous entering depression bar 2 behind the inner chamber of shell 1 in, gaseous lower part discharge from depression bar 2 again, the gaseous back of being full of in the lower part of depression bar 2, atmospheric pressure is greater than the effort of spring 3, gaseous with depression bar 2 jack-up, depression bar 2 can slide and lead by guide ring 4 along the vertical direction in the inner chamber of shell 1, then depression bar 2 drives clamping jaw 5 and removes along the horizontal direction in the bottom of shell 1, the realization snatchs the electronic components of various sizes.

As shown in fig. 6-8, the inner cavity of the housing 1 is sequentially provided with a chute 12, a first step 13, a second step 14, a third step 15 and a clamping groove 16 from top to bottom, the upper part of the pressure rod 2 can slide in the chute 12, the bottom of the guide ring 4 is provided with a clamp spring 44 clamped with the clamping groove 16, during installation, the pressure rod 2 sleeved with the spring 3 is only required to be firstly placed into the inner cavity of the housing 1, then the guide ring 4 is inserted, and finally the clamp spring 44 is clamped at the bottom of the guide ring 4, so that the installation and the disassembly are simple. The third step 15 is suitable for limiting the top of the guide ring 4, the second step 14 is suitable for limiting the middle of the pressure rod 2, one end of the spring 3 is abutted against the middle of the pressure rod 2, and the other end of the spring 3 is abutted against the first step 13. When the cylinder was not ventilated, spring 3's effort tightly pressed the middle part of depression bar 2 on guide ring 4, and the cylinder was ventilated the back, and depression bar 2 drives clamping jaw 5 and snatchs components and parts, because whole in-process spring 3 applys reaction force to depression bar 2 all the time to make clamping jaw 5's centre gripping more stable firm.

As shown in fig. 6 to 8, an air supply channel 21 is axially arranged at the upper part and the middle part of the pressure lever 2, an air outlet channel 22 is radially arranged at the lower part of the pressure lever 2, the air supply channel 21 is communicated with the air outlet channel 22, a through hole for sliding the lower part of the pressure lever 2 is arranged in the guide ring 4, a first air storage groove 41 and a second air storage groove 42 are arranged on the periphery of the through hole, the first air storage groove 41 is positioned above the second air storage groove 42, and a third air storage groove 43 is arranged on the periphery of the guide ring 4. After the gas enters from the gas inlet channel 11 of the shell 1, the gas enters the gas outlet channel 22 through the gas supply channel 21 of the pressure rod 2, and the gas enters the first gas storage groove 41, the second gas storage groove 42 and the third gas storage groove 43 of the guide ring 4 from the gas outlet channel 22, and a plurality of groups of gas storage grooves are arranged, so that the pressure rod 2 can be jacked up sufficiently by the gas pressure.

As shown in fig. 2 and 3, a set of slide ways 17 is arranged at the bottom of the housing 1, the two clamping jaws 5 are respectively connected with the lower part of the pressure lever 2 through the connecting rod 6, one end of the connecting rod 6 is hinged with the clamping jaw 5, the other end of the connecting rod 6 is hinged with the lower part of the pressure lever 2, and the clamping jaw 5 can move in the slide ways 17. The clamping jaw 5 comprises a sliding block 51 and a clamping block 52, the clamping block 52 is vertically connected with one end of the sliding block 51, the other end of the sliding block 51 is hinged with one end of the connecting rod 6, and the sliding block 51 is matched with the slide way 17 to slide. The pressing rod 2 slides up and down to drive the clamping jaw 5 to move horizontally, so that electronic components of different specifications can be grabbed.

The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pneumatic clamping jaw that is used for electronic components to snatch grafting which characterized in that: it includes shell (1), shell (1) includes intake duct (11) and inner chamber, intake duct (11) and inner chamber intercommunication, be provided with depression bar (2), spring (3) and guide ring (4) in the inner chamber of shell (1), the upper portion at depression bar (2) is established in spring (3) cover, the inner chamber bottom at shell (1) is fixed in guide ring (4), the terminal articulated a set of clamping jaw (5) that has in the lower part of depression bar (2), depression bar (2) can slide and lead by guide ring (4) along the vertical direction in the inner chamber of shell (1), depression bar (2) drive clamping jaw (5) and remove along the horizontal direction in the bottom of shell (1).

2. The pneumatic clamping jaw for grabbing and inserting the electronic component as claimed in claim 1, is characterized in that: the inner chamber of shell (1) is from last to having set gradually spout (12), first step (13), second step (14), third step (15) and draw-in groove (16) down, the upper portion of depression bar (2) can slide in spout (12), the bottom of guide ring (4) be provided with jump ring (44) of draw-in groove (16) joint, third step (15) are suitable for and carry on spacingly to the top of guide ring (4), second step (14) are suitable for and carry on spacingly to the middle part of depression bar (2), the one end of spring (3) and the middle part butt of depression bar (2), the other end and first step (13) butt of spring (3).

3. The pneumatic clamping jaw for grabbing and inserting the electronic component as claimed in claim 2, is characterized in that: the upper portion and the middle part axial of depression bar (2) are provided with air feed passageway (21), the lower part of depression bar (2) radially is provided with air outlet channel (22), air feed passageway (21) and air outlet channel (22) intercommunication.

4. The pneumatic clamping jaw for grabbing and inserting the electronic component as claimed in claim 2, is characterized in that: be provided with in guide ring (4) and be used for the gliding through-hole of lower part of depression bar (2), the periphery of through-hole is provided with first gas storage tank (41) and second gas storage tank (42), first gas storage tank (41) are located the top of second gas storage tank (42), the periphery of guide ring (4) is provided with third gas storage tank (43).

5. The pneumatic clamping jaw for grabbing and inserting the electronic component as claimed in claim 1, is characterized in that: the bottom of shell (1) is provided with a set of slide (17), two clamping jaw (5) link to each other with the lower part of depression bar (2) through connecting rod (6) respectively, the one end and the clamping jaw (5) of connecting rod (6) are articulated, the other end of connecting rod (6) is articulated with the lower part of depression bar (2), clamping jaw (5) can remove in slide (17).

6. The pneumatic clamping jaw for grabbing and inserting the electronic component as claimed in claim 5, wherein: the clamping jaw (5) comprises a sliding block (51) and a clamping block (52), the clamping block (52) is vertically connected with one end of the sliding block (51), the other end of the sliding block (51) is hinged with one end of a connecting rod (6), and the sliding block (51) slides in a matched mode with the sliding way (17).