CN213635941U - Suction means of bead cutter - Google Patents

Abstract

The utility model discloses a suction device of a trimming machine in the technical field of chip electronic component suction devices, which comprises a cover plate, wherein the cover plate is a complete leveling plate and is provided with a negative pressure connecting hole, and the negative pressure connecting hole is communicated with an external negative pressure generating device; suction plate, for the leveling plate, closely install in the apron bottom surface, and be equipped with sealed airflow channel between the apron, airflow channel and negative pressure connecting hole intercommunication can adjust the length that the suction rod stretches out through adjusting bolt, control the holistic pressing force degree of suction device through the limiting plate, avoid the sucking disc to press down excessive condition and take place, make every sucking disc can both with the inseparable absorption of electronic component through buffering elastic sleeve, can not leak one, and can play the cushioning effect, this device can level and smooth stable absorption with thinner piece formula electronic component, and can not drop, and piece formula electronic component can not produce the deformation because of suction.

Description

Suction means of bead cutter

Technical Field

The utility model relates to a piece formula electronic component suction means technical field especially relates to a suction means of bead cutter.

Background

In an automated manufacturing process, material supply equipment is usually required to improve the manufacturing efficiency. For example, in the cutting process of chip electronic components, in order to improve the production efficiency, an automatic feeding device is usually used for material supply instead of manual feeding, and all these automatic feeding devices for chip electronic components need to use a suction cup, because a clamp cannot clamp such chip electronic components, the electronic components cannot be deformed, the deformation is damaged, and accurate positioning and flat placement are required, so that only the suction cup can be used for suction.

For chip electronic components in the semiconductor industry, in the manufacturing process, a vacuum suction device is usually used to suck and move the whole electronic component onto a worktable, and then the electronic component is cut into a single chip electronic component with precise block size. Since the chip electronic component is thin and soft, the suction nozzle or the suction cup is easy to deform the chip electronic component during vacuum suction, and the contact position of the suction nozzle or the suction cup forms an upward bulge or bulge, thereby affecting the quality of the chip electronic component.

The sucking disc that uses commonly at present has a vacuum chuck, the absorption face diameter of this kind of sucking disc is generally more than 10mm, and the sucking disc intermediate position is too big because of suction, can inhale electronic component protrudingly, lead to electronic component to take place to warp, and still there is a plane sucking disc, it is a smooth mirror surface exactly to be whole sucking disc, it is parallel to each other with the cutting bed, but this kind of requirement binding face must accurate parallel, in case nonparallel can make binding face collide with each other, lead to the damage, take place crooked will have angle deviation, lead to unable accurate absorption, also unable accurate removal, this kind of condition of taking place crooked generally is that electronic component one side is stably adsorbed, the opposite side is not inhaled, lead to electronic component to taking place to buckle because of gravity in absorption or removal process, lead to electronic component to take place to damage.

Based on this, the utility model designs a suction means of bead cutter to solve above-mentioned problem.

Disclosure of Invention

An object of the utility model is to provide an extraction element of bead cutter, can adjust the length that the absorption pole stretches out through adjusting bolt, control the holistic pressing force degree of extraction element through the limiting plate, avoid the sucking disc to press down excessive condition and take place, make every sucking disc can both with the inseparable absorption of electronic component through buffering elastic sleeve, can not leak one, and can play the cushioning effect, this device can level and smooth stable absorption with thinner piece formula electronic component, and can not drop, and piece formula electronic component can not produce the deformation because of suction, and be with the even absorption of electronic component, and can not just make one side unable absorption because of taking place crooked, the requirement on the depth of parallelism is not high.

The utility model discloses a realize like this: a suction device for edge trimmers, comprising:

the cover plate is a complete flat plate, and is provided with a negative pressure connecting hole which is communicated with an external negative pressure generating device;

the suction plate is a flat plate and is tightly arranged on the bottom surface of the cover plate, a sealed airflow channel is arranged between the suction plate and the cover plate, and the airflow channel is communicated with the negative pressure connecting hole;

the limiting plate is a flat plate, a plurality of placing holes are uniformly formed in the limiting plate, and the placing holes penetrate through the limiting plate from top to bottom;

the limiting plate is arranged on the cover plate through an adjusting screw rod, the distance of the limiting plate can be adjusted, the limiting plate is not locked with the suction plate, and the limiting plate is horizontally arranged;

the bottom of the suction rod is provided with a sucker, the top of the suction rod is provided with a suction joint, a buffering elastic sleeve is arranged between the sucker and the suction rod, and the suction joint, the suction rod and the sucker are connected in a sealing way;

a plurality of micro-suction holes are formed in the suction disc surface at the bottom of the suction disc, and each micro-suction hole is communicated with the inside of the suction rod;

the suction rod has a plurality ofly, and is a plurality of suction rod one-to-one settles in the mounting hole, every suction rod's top locking is installed in suction plate bottom, suction connects and the inside sealing connection of air current passageway.

Further, the sucking disc bottom is the absorption quotation of silica gel, the absorption quotation diameter of sucking disc is no longer than 15 mm.

Further, the buffering elastic sleeve is an elastic rubber tubular joint.

Further, the aperture of the micro suction hole is not more than 1 mm.

Further, a linking buffer frame is installed at the top of the cover plate, the linking buffer frame is connected with the cover plate through a vertical cylinder, and a spring is further sleeved outside the telescopic end of the cylinder.

Further, the binding face between the suction plate and the cover plate is sealed.

Furthermore, one end of the adjusting screw rod is installed at the top of the limiting plate, the other end of the adjusting screw rod extends out of the top of the cover plate, and the limiting plate is a flat rubber plate.

The utility model has the advantages that: 1. the distance between the limiting plate and the suction plate is adjusted through the adjusting bolt, so that the extending length of the suction rod is controlled, the elastic strength of the suction rod is controlled, the overall pressing force of the suction device is controlled, and the electronic element is pressed and sucked conveniently by using accurate force;

2. the sucking disc of the device is different from a common sucking disc, not only can stably suck and move the chip electronic element, but also can generate a plurality of strands of small and uniform suction forces through a plurality of micro suction holes, thereby avoiding the deformation of the electronic element due to the suction force and the deformation of the electronic element due to the concave sucking disc;

3. this device comes double-deck buffering through absorption pole and the spring that has the cushioning effect to when making this device push down can unilateral or front and back when taking place the slope, all sucking discs also can be accurate act on electronic component with suction, and can not take place the unilateral and adsorb the opposite side and take place the condition that suction became invalid and drop, such structure of this device makes the whole not high to the depth of parallelism requirement when absorbing the work of suction device.

Drawings

The invention will be further described with reference to the following examples with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the suction device of the present invention;

FIG. 2 is an exploded view of the suction device of the present invention;

FIG. 3 is a bottom view of the sucking device of the present invention;

FIG. 4 is a schematic bottom view of the suction device of the present invention;

FIG. 5 is a top view of the sucking device of the present invention;

fig. 6 is a schematic view of a single suction cup structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-suction plate, 11-airflow channel, 2-cover plate, 21-adjusting screw, 22-negative pressure connecting hole, 3-suction rod, 31-suction cup, 311-micro suction hole, 32-buffering elastic sleeve, 33-suction connector, 4-limiting plate, 41-placing hole, 5-connecting buffer frame and 51-spring.

Detailed Description

Referring to fig. 1 to 6, the present invention provides a technical solution: a suction device for edge trimmers, comprising:

the cover plate 2 is a complete flat plate, and is provided with a negative pressure connecting hole 22 which is communicated with an external negative pressure generating device;

the suction plate 1 is a flat plate and is tightly arranged on the bottom surface of the cover plate 2, a sealed airflow channel 11 is arranged between the suction plate 1 and the cover plate 2, and the airflow channel 11 is communicated with the negative pressure connecting hole 22;

the limiting plate 4 is a flat plate, a plurality of placing holes 41 are uniformly formed in the limiting plate 4, and the placing holes 41 vertically penetrate through the limiting plate 4;

the spacing plate 4 is arranged on the cover plate 2 through an adjusting screw 21, the spacing distance can be adjusted, the spacing plate 4 is not locked with the suction plate 1, and the spacing plate 4 is horizontally arranged;

the bottom of the suction rod 3 is provided with a suction cup 31, the top of the suction rod is provided with a suction joint 33, a buffering elastic sleeve 32 is arranged between the suction cup 31 and the suction rod 3, and the suction joint 33, the suction rod 3 and the suction cup 31 are in sealing connection;

a plurality of micro-suction holes 311 are formed in the bottom suction disc surface of the suction disc 31, and each micro-suction hole 311 is communicated with the inside of the suction rod 3;

the suction device is characterized in that the suction rods 3 are arranged in the arrangement holes 41 in a one-to-one correspondence manner, the top of each suction rod 3 is locked and installed at the bottom of the suction plate 1, the suction joint 33 is hermetically connected with the inside of the airflow channel 11, the extending length of each suction rod 3 can be adjusted through the adjusting bolt 21, the overall pressing force of the suction device is controlled through the limiting plate 4, the situation that the suction cups 31 are pressed excessively is avoided, each suction cup 31 can be tightly adsorbed with an electronic element through the buffering elastic sleeve 32, one suction cup cannot be omitted, and a buffering effect can be achieved, the device can flatly and stably suck a thin piece-type electronic element without dropping, the piece-type electronic element cannot deform due to suction, the electronic element is uniformly sucked, and one side cannot be sucked due to deflection, the device has low requirement on parallelism.

The bottom of the suction cup 31 is a suction plate surface of silica gel, the diameter of the suction plate surface of the suction cup 31 is not more than 15mm, the suction plate surface can deform to be attached to an electronic element, the suction plate surface is not large, suction force can be controlled, and the electronic element is not easy to be sucked and deformed at a concave part;

the buffering elastic sleeve 32 is an elastic rubber tubular joint, and the sucking discs 31 are attached to the electronic element in a buffering deformation manner through the elastic rubber tube, so that each sucking disc 31 can be completely attached to the top of the electronic element, and stable and uniform adsorption is facilitated;

the aperture of the micro suction hole 311 is not more than 1mm, so that a small multi-strand adsorption force is uniformly generated to stably adsorb the electronic element, and the electronic element is not easy to deform due to the small aperture;

the top of the cover plate 2 is provided with a linking buffer frame 5, the linking buffer frame 5 is connected with the cover plate 2 through a vertical cylinder, and a spring 51 is sleeved outside the telescopic end of the cylinder, so that the whole suction device has the effect of correcting deflection through the structure, and the requirement on parallelism is not high;

the binding surface between the suction plate 1 and the cover plate 2 is sealed and locked, and is used for ensuring the sealing property of the airflow channel 11;

adjusting screw 21's one end is installed at limiting plate 4 top, adjusting screw 21's the other end stretches out at the top of apron 2, limiting plate 4 is smooth rubber slab for the distance between limiting plate 4 and the suction board 1 can be adjusted, thereby adjusts and absorbs the pole 3 and press down deformation length on electronic component, and then adjusts the degree of pressing pressure of absorbing pole 3, can avoid pressing excessively when guaranteeing sucking disc 31 and the laminating of electronic component again, and the adjustment is convenient.

In a specific embodiment of the present invention:

the embodiment of the utility model provides a suction device of a trimming machine, which solves the technical problem that the utility model solves;

1. the suction clamping device of the existing edge trimmer basically sucks through negative pressure, while a chip electronic component is low in hardness, poor in toughness and easy to deform, but the electronic component is damaged once deformed and bent, the existing suction device generally sucks by using a rubber circular sucker with the diameter of more than 10mm, a depression is arranged in the middle of the sucker, negative pressure is generated at the edge of the sucker in such a way, the suction of the structure is uneven, the depression in the middle of the sucker is large in suction, so that the electronic component is easy to deform, and scrapping is caused;

2. in the existing suction device, when suction is performed, suction force and pressing force are difficult to control, the thicknesses of electronic elements with different weights are different, the requirements on the length of a suction disc are also different, if the suction is not in place, the condition that the overall suction force is unbalanced is easy to occur, so that the suction force is larger when one side is pressed in place, the vacuum degree is insufficient when the other side is not pressed in place, the suction force is too small, the condition that the suction cannot be stable is caused, the electronic elements are conveyed to accurate positions, and fine sliding is easy to occur, and the cutting position is not accurate;

3. the existing integral flat plate type sucking disc enables the cutting table and the sucking device to be attached in parallel for sucking, but the sucking device has very high requirement on parallelism, and can tilt to generate an angle when the cutting table and the sucking device are not parallel to each other; if not in place to push down will lead to electronic component's one side to adsorb, the opposite side does not have the suction and drops, and if push down excessively will make one side accurate absorption, the opposite side again striking cutting bed leads to the equipment levelness not enough, can seriously influence cutting accuracy.

The realized technical effects are as follows: 1. the distance between the limiting plate 4 and the suction plate 1 is adjusted through the adjusting bolt 21, so that the extending length of the suction rod 3 is controlled, the elastic strength of the suction rod 3 is controlled, the overall pressing strength of the suction device is controlled, and the electronic element can be pressed and sucked conveniently by using accurate force;

2. the sucking disc 31 of the device is different from a common sucking disc, not only can stably suck and move the chip electronic element, but also can generate a plurality of strands of small and uniform sucking forces through the micro sucking holes 311, so that the electronic element can be prevented from being sucked and deformed by a large sucking force and a sunken sucking disc, and the electronic element can be prevented from being deformed and scrapped;

3. this device comes double-deck buffering through absorption pole 3 and spring 51 that has the cushioning effect to when making this device push down can the unilateral or take place the slope around, all sucking discs 31 also can be accurate act on electronic component with suction, and can not take place the unilateral and adsorb the opposite side and take place the condition that suction became invalid and drop, such structure of this device makes the whole not high to the depth of parallelism requirement when absorbing the work.

The embodiment of the utility model provides an in technical scheme for solving above-mentioned problem, the general thinking is as follows:

for better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.

When the utility model is manufactured and installed, the flat cover plate 2 is firstly manufactured, stainless steel materials are generally used to ensure the rigidity and the flatness, the suction plate 1 is also the same, then the air flow channel 11 is arranged on the suction plate 1, the cover plate 2 and the suction plate 1 are tightly covered, the sealing of the binding surface is ensured, and the air flow channel 11 belongs to a sealing channel;

then, the negative pressure connecting hole 22 of the cover plate 2 is connected with an external negative pressure generating device, generally through an air valve and a vacuum machine, then a plurality of suction rods 3 are installed at the bottom of the suction plate 1 through suction connectors 33, each suction rod 3 is communicated with an air flow channel 11, negative pressure is transmitted to the suction rods 3, then the suction rods 3 are evenly installed at the bottom of the suction plate 1, as shown in fig. 2 and 3, the suction rods 3 can be arranged in different ways according to different sizes of electronic components, and the extra holes are plugged by plugs;

then, mounting the limiting plates 4, wherein the placing holes 41 of the limiting plates 4 are sleeved outside the suction rods 3 and do not influence each other in a one-to-one correspondence manner, the limiting plates 4 are hung on the cover plate 2 through the adjusting bolts 21, and the tops of the adjusting bolts 21 extend out of the top of the cover plate 2, so that the adjustment is convenient, and therefore, the distance between the limiting plates 4 and the suction plates 1 can be adjusted; and then the linking buffer frame 5 and the cylinder are matched and hung on the translational device, and a spring 51 is sleeved outside the telescopic end of the cylinder between the residual cover plates 2 of the linking buffer frame 5 and is used for providing buffering when the suction device presses and sucks the electronic element downwards.

The bottom of the sucking rod 3 is connected with a sucking disc 31 through a buffer elastic sleeve 32, the sucking disc 31 is arranged at the bottommost part, the diameter of the sucking disc surface of the sucking disc 31 is generally between 5mm and 15mm, a plurality of micro sucking holes 311 are uniformly distributed on the sucking disc surface at the bottom, each micro sucking hole 311 is communicated with the inside of the sucking rod 3, as shown in fig. 4, the aperture of each micro sucking hole 311 is 1mm, and the sucking force of the device is transmitted to act on an electronic element through the micro sucking holes 311.

When the utility model is used, the telescopic cylinder on the upper surface of the linking buffer frame 5 extends out, the whole suction device is pressed downwards and acts on an electronic element, firstly, the sucker 31 at the bottom of the suction rod 3 is flatly pressed on the electronic element, after receiving the reaction force, the buffering elastic sleeve 32 is compressed and deformed, so that the sucker 31 can be completely attached to the top plane of the electronic element, the slight angle deflection can be corrected by the deformation of the buffering elastic sleeve 32 even if the sucker 31 is inclined in time, then the limiting plate 4 can be attached to the electronic element to a certain degree, the limiting plate 4 is a rubber plate, has certain elasticity, can protect the electronic element from being damaged and can provide support, then the reaction force is upwards transmitted to the cover plate 2, the cover plate 2 is transmitted to the spring 51 and the linking buffer frame 5 after receiving the reaction force, thus the cylinder can be stopped downwards, the sucking disc 31 can not bear too much pressure, the electronic element can not be pressed and deformed by the uneven sucking disc 31, the electronic element can be effectively protected by the characteristics of large area, flatness, good elasticity and small pressure intensity of the limiting plate 4, the suction force of the negative pressure device is transmitted to the inner cavity of the suction rod 3 through the airflow channel 11 through the negative pressure connecting hole 22, then is transmitted to act on the electronic element through the micro suction hole 311 of the sucking disc 31, the suction force is uniformly transmitted to the electronic element to tightly suck the electronic element, and thus the lossless suction of the electronic element is completed,

absorb pole 3's buffering elastic sleeve pipe 32 can take place deformation at this in-process, this just makes every sucking disc 31 can both extrude with electronic component, just can make every sucking disc 31 can both adsorb the electron, can not take place to adsorb the condition not in place, and such structure makes all sucking discs 31 that absorb pole 3 can both laminate on electronic component, the effectual suction means one side of having avoided can not adsorb electronic component's the condition, and the skew condition need not be considered to this device moreover, only need keep parallel to each other as far as possible can.

In addition, in the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and it is not intended to indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.

Claims (7)

1. The utility model provides a suction means of bead cutter which characterized in that includes:

the cover plate (2) is a complete flat plate, and is provided with a negative pressure connecting hole (22) which is communicated with an external negative pressure generating device;

the suction plate (1) is a flat plate and is tightly arranged on the bottom surface of the cover plate (2), a sealed airflow channel (11) is arranged between the suction plate and the cover plate (2), and the airflow channel (11) is communicated with the negative pressure connecting hole (22);

the limiting plate (4) is a flat plate, a plurality of placing holes (41) are uniformly formed in the limiting plate, and the placing holes (41) penetrate through the limiting plate (4) from top to bottom;

the spacing plate (4) is arranged on the cover plate (2) through an adjusting screw rod (21) and can adjust the spacing, the spacing plate (4) is not locked with the suction plate (1), and the spacing plate (4) is horizontally arranged;

the suction rod (3) is provided with a suction disc (31) at the bottom, a suction joint (33) is arranged at the top, a buffering elastic sleeve (32) is further arranged between the suction disc (31) and the suction rod (3), and the suction joint (33), the suction rod (3) and the suction disc (31) are in sealing connection;

a plurality of micro-suction holes (311) are formed in the suction disc surface at the bottom of the suction disc (31), and each micro-suction hole (311) is communicated with the inside of the suction rod (3);

the suction rod (3) is provided with a plurality of suction rods (3) which are arranged in the arrangement holes (41) in a one-to-one correspondence mode, the top of each suction rod (3) is installed at the bottom of the suction plate (1) in a locking mode, and the suction joint (33) is connected with the inner portion of the airflow channel (11) in a sealing mode.

2. The suction device of the edge trimmer according to claim 1, wherein: the sucking disc (31) bottom is silica gel's suction quotation, the suction quotation diameter of sucking disc (31) is no longer than 15 mm.

3. The suction device of the edge trimmer according to claim 1, wherein: the buffering elastic sleeve (32) is an elastic rubber tubular joint.

4. The suction device of the edge trimmer according to claim 1, wherein: the aperture of the micro suction hole (311) is not more than 1 mm.

5. The suction device of the edge trimmer according to claim 1, wherein: the top of the cover plate (2) is provided with a linking buffer frame (5), the linking buffer frame (5) is connected with the cover plate (2) through a vertical cylinder, and the telescopic end of the cylinder is further sleeved with a spring (51).

6. The suction device of the edge trimmer according to claim 1, wherein: and the binding surface between the suction plate (1) and the cover plate (2) is sealed.

7. The suction device of the edge trimmer according to claim 1, wherein: one end of the adjusting screw rod (21) is installed at the top of the limiting plate (4), the other end of the adjusting screw rod (21) extends out of the top of the cover plate (2), and the limiting plate (4) is a flat rubber plate.

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