CN210909784U

CN210909784U - Grabbing device for display screen assembling machine

Info

Publication number: CN210909784U
Application number: CN201921584853.9U
Authority: CN
Inventors: 张俊峰; 段向国; 谢成罡
Original assignee: Shenzhen Zhongyiheng Intelligent Equipment Co ltd
Current assignee: Shenzhen Zhongyiheng Intelligent Equipment Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-07-03
Anticipated expiration: 2029-09-23

Abstract

The utility model provides a display screen is grabbing device for assembly machine, it includes conveying platform and snatchs the mechanism. The conveying platform is provided with a conveying belt used for conveying the modules, the grabbing mechanism comprises a base, a mechanical arm and a lifting part used for driving the mechanical arm to lift, a first sliding rail is arranged on the base, the lifting part is arranged on the base and is in sliding connection with the first sliding rail, the mechanical arm comprises an extending part and a clamping part, one end of the extending part is connected with the lifting part, and the other end of the extending part is connected with the clamping part. The utility model discloses well grabbing device forms a centre gripping opening through two relative motion holders to press from both sides the module and get, this structural design is novel, and has effectively promoted the stability that the display screen kludge snatched the module, and the manipulator of having avoided the suction mould to carry absorbs the module dynamics and not enough and the module phenomenon that drops that leads to.

Description

Grabbing device for display screen assembling machine

Technical Field

The utility model relates to a display screen kludge field, in particular to grabbing device for display screen kludge.

Background

In modern life, various electronic products are seen everywhere, and correspondingly, the market demand of display screens is increasing, especially the market demand of mobile phones, notebook computers and liquid crystal flat panel displays is growing most obviously, and people can obviously feel that the updating speed of the products is very fast, so that for the existing liquid crystal display screen production companies, the improvement of the production capacity of the liquid crystal display screens is particularly important.

At present, a display panel generally comprises a backlight module for providing backlight and a glass module for displaying images, and therefore, the backlight module and the glass module need to be assembled in the manufacturing process of the display panel. The module is generally adsorbed by a sucker in the traditional display screen module production process, the phenomenon that the module is easy to fall off due to insufficient sucker adsorption force and the phenomenon that the module grabbed by the sucker is easy to be unevenly crushed under stress on a feeding platform are easily caused when the sucker adsorbs the module; and the backlight module in the current hole screen cell-phone display screen module of digging is only connected with the frame with a small amount of frame sealings glue with the diaphragm, and backlight module can not adsorb it through the sucking disc and snatch in the production process, so need provide a display screen assembly machine grabbing device and solve above-mentioned technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a display screen is grabbing device for assembly machine, thereby it forms a centre gripping opening through two relative motion holders and gets the module clamp to the sucking disc adsorbs to snatch the module and easily drops for the display screen assembly machine among the solution prior art, and the sucking disc can not snatch the problem of digging hole screen backlight unit.

In order to solve the technical problem, the utility model adopts the technical scheme that: a grabbing device for display screen assembly machine, it includes:

the conveying platform is provided with a conveying belt for conveying the module; and

the grabbing mechanism comprises a base, a manipulator and a lifting component for driving the manipulator to lift,

the base is positioned at one side of the conveying platform, a first slide rail is arranged on the base,

the lifting component is arranged on the base and is connected with the first slide rail in a sliding way,

the manipulator comprises an extension part and a clamping part, one end of the extension part is connected with the lifting component, the other end of the extension part is connected with the clamping part,

the clamping part comprises a first clamping piece and a second clamping piece which can move relatively and form a clamping opening, and the clamping opening comprises a clamping state for clamping the module and a far state for releasing the module.

The utility model discloses in, the lifting unit includes:

the fixed seat is arranged on the base and is connected with the first sliding rail in a sliding manner;

the supporting plate is fixed on the fixed seat, and a second sliding rail is vertically arranged on the supporting plate;

the first sliding plate is arranged on one side of the supporting plate, and the first sliding plate and the second sliding rail slide up and down;

one end of the extension part is fixedly connected with the other side of the first sliding plate. The lifting component drives the manipulator extension part to slide up and down along the second slide rail vertically arranged on the supporting plate through the first slide plate, so that the manipulator can take materials, the manipulator taking accuracy is convenient to promote, the structure is simple, and the operation and the control are convenient.

The utility model discloses in, the extension includes:

the extension plate is fixed on the other side of the first sliding plate, the long edge of the extension plate is perpendicular to the plane of the first sliding plate, and a through hole is formed in the extension plate;

the fixed plate is arranged at the bottom end of the extension plate, and the bottom end of the fixed plate is fixedly connected with the clamping part; and

and the rotating motor is fixedly installed at the top end of the extension plate, and a rotating shaft of the rotating motor penetrates through the through hole and is fixedly connected with the top surface of the fixing plate. The rotating motor is connected with the fixing plate through the rotating shaft, so that the rotating motor drives the fixing plate to rotate, the opening direction of the clamping opening is adjusted, the module is convenient to output, the device is simple in structure, and the practicability is high.

In addition, the through-hole is bar-shaped structure, and with the long limit of extension board is parallel, just still be equipped with a plurality of connecting holes on the long edge of extension board, the connecting hole is used for connecting the rotation motor. Through being equipped with a plurality of connecting holes that are used for fixed rotation motor on the extension board for it is adjustable that the long limit direction of extension board can be followed to rotate the motor position, thereby adjusts the clamping position of manipulator clamping part, increases the practicality of device.

The utility model discloses in, the clamping part still includes:

the adjusting plate is fixed at the bottom end of the fixing plate, and a transverse adjusting groove is formed in the bottom end of the adjusting plate; and

the first connecting plate and the second connecting plate are both arranged at the bottom end of the adjusting plate and are adjusted to be opened and closed relatively through the transverse adjusting groove,

one end of the first connecting plate is connected with a first clamping piece forming the clamping opening, and the second connecting plate is connected with a second clamping piece forming the clamping opening.

The adjusting plate is used for clamping the module through the first connecting plate and the second connecting plate which are in relative motion through sliding adjustment, the structure is simple, and clamping of the manipulator to the module is convenient to achieve.

The utility model discloses in, first connecting plate is rectangular structure, the long limit of first connecting plate with horizontal adjustment tank place straight line is parallel, be equipped with first spout on the first connecting plate, first spout is rectangular structure and follows the long limit of first connecting plate extends, first spout with the adjustable connection of first holder. The first connecting plate is provided with a first chute, so that a user can adjust the size of the clamping opening according to the width of the die.

Furthermore, a first adjusting rod is arranged between the first connecting plate and the first clamping piece, the long edge of the first adjusting rod is perpendicular to the long edge of the first connecting plate, a second sliding groove is formed in the first adjusting rod, the second sliding groove extends along the long edge of the first adjusting rod, and the first connecting plate and the first clamping piece are connected with the second sliding groove through bolts. The clamping part can adjust the position of the first clamping piece clamping module through the first adjusting rod, so that the clamping opening can clamp modules with different lengths, and the practicability of clamping the modules by the manipulator is improved.

The utility model discloses in, the second connecting plate is rectangular structure, the second connecting plate long limit with horizontal adjustment tank place straight line is parallel, be equipped with the third spout on the second connecting plate, the third spout is rectangular structure and follows the extension of second connecting plate long limit, the third spout with the adjustable connection of second holder. Be equipped with the third spout on through the second connecting plate for the open-ended size of centre gripping is adjustable, and the width of clamping part centre gripping module is adjustable promptly, hoisting device practicality.

The second connecting plate with be provided with the second between the second holder and adjust the pole, the second is adjusted the pole long limit with the long limit of second connecting plate is perpendicular, be equipped with the fourth spout on the second is adjusted the pole, the fourth spout is followed the second is adjusted the extension of pole long plate, just the second connecting plate with the second holder all with the fourth spout passes through bolted connection. The clamping part is provided with a fourth chute through the second adjusting rod, so that the position of the second clamping part can be adjusted, the manipulator can clamp modules with different lengths, and the stability of the manipulator clamp for clamping the modules is effectively improved.

The utility model discloses in, first holder is equipped with a plurality of groups, the second holder is equipped with a plurality of groups. The plurality of groups of clamping pieces increase the stability of the grabbing mechanism for grabbing the module.

The utility model discloses compare in prior art, its beneficial effect is: the utility model discloses a grabbing device for display screen assembly machine forms a centre gripping opening through two relative motion holders to press from both sides the module and get, this structural design is novel, and has effectively promoted the stability that the display screen assembly machine snatched the module, and the manipulator of having avoided the suction mould to carry absorbs the module dynamics and not enough and the module phenomenon that drops that leads to.

The rotating motor on the manipulator extension plate can drive the clamping part of the clamping module to rotate, so that the direction of the clamping opening is adjusted, the structure is simple and compact, and the practicability of the grabbing device is greatly improved. Connecting plate and regulating plate in the manipulator are equipped with the spout, and adjustable centre gripping open-ended size, user can adjust centre gripping opening size according to the model of module, satisfy the production demand of multiple product, promote the suitability that snatchs the mechanism.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding drawings of some embodiments of the present invention.

Fig. 1 is the overall structure diagram of an embodiment of the grabbing device for the display screen assembling machine of the present invention.

Fig. 2 is a perspective view of a manipulator of an embodiment of the gripping device for a display screen assembling machine of the present invention.

Fig. 3 is a schematic structural diagram of a manipulator of an embodiment of the gripping device for a display screen assembling machine of the present invention.

Fig. 4 is a schematic structural view of a clamping portion of an embodiment of the grabbing device for the display screen assembling machine of the present invention.

Fig. 5 is the utility model discloses a manipulator of an embodiment of grabbing device for display screen assembly machine descends and gets the material schematic diagram.

Fig. 6 is a structural schematic diagram of a feeding state of the manipulator according to an embodiment of the gripping device for a display screen assembling machine of the present invention.

Fig. 7 is a schematic diagram of a manipulator emptying structure of an embodiment of the gripping device for a display screen assembling machine of the present invention.

Fig. 8 is a top view of a manipulator of an embodiment of the grabbing device for the display screen assembling machine of the present invention.

Reference numerals: the device comprises a conveying platform 1, a conveying belt 11, a grabbing mechanism 2, a base 21, a first slide rail 21a, a mechanical hand 22, an extending part 221, an extending plate 2211, a through hole 2211a, a fixing plate 2212, a rotating motor 2213, a clamping part 222, a first clamping piece 2221, a second clamping piece 2222, a second connecting plate 2223, a third slide groove 2223a, a first adjusting rod 2224, a second slide groove 2224a, a second adjusting rod 2225, a fourth slide groove 2225a, a first connecting plate 2226, a first slide groove 2226a, an adjusting plate 2227, a lifting component 23, a supporting plate 231, a second slide rail 231a, a first slide plate 232 and a fixed seat.

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. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the drawings, elements having similar structures are denoted by the same reference numerals.

The terms "first," "second," and the like in the terms of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, nor should they be construed as limiting in any way.

Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic diagram of an overall structure of an embodiment of the grabbing device for a display screen assembling machine of the present invention, fig. 2 is a perspective view of a manipulator of an embodiment of the grabbing device for a display screen assembling machine of the present invention, and fig. 3 is a schematic diagram of a structure of the manipulator of the present embodiment.

Following do the utility model provides a pair of can solve above technical problem's an embodiment of grabbing device for display screen assembly machine.

The utility model provides an embodiment of grabbing device for display screen assembly machine does: a grabbing device for a display screen assembling machine comprises a conveying platform 1 and a grabbing mechanism 2. Wherein, the conveying platform 1 is provided with a conveying belt 11 for conveying the module; the gripping mechanism 2 includes a base 21, a robot 22, and an elevating member 23 for elevating and lowering the robot 22.

A first slide rail 21a is arranged on the base 21; the lifting component 23 is arranged on the base 21 and is connected with the first slide rail 21a in a sliding way; the robot 22 includes an extension 221 and a clamping portion 222, and one end of the extension 221 is connected to the lifting member 23 and the other end is connected to the clamping portion 222. The clamping portion 222 includes a first clamping member 2221 and a second clamping member 2222 that are relatively movable and form a clamping opening that includes a clamping state for clamping the module and a spaced state for releasing the module.

The lifting member in this embodiment is explained as follows:

please refer to fig. 2 and fig. 4, wherein fig. 2 is a perspective view of a manipulator of an embodiment of the gripping device for a display screen assembling machine of the present invention, and fig. 4 is a schematic structural view of a clamping portion of an embodiment of the gripping device for a display screen assembling machine of the present invention.

The lifting member 23 in this embodiment includes a fixing seat 233, a supporting plate 231, and a first sliding plate 232, wherein the fixing seat is disposed on the base and slidably connected to the first sliding rail; the supporting plate 231 is mounted on the fixing seat 233, and a second slide rail 231a is vertically arranged on the supporting plate 231; the first sliding plate 232 is disposed at one side of the supporting plate 231, one side of the first sliding plate 232 and the second sliding rail 231a can slide up and down, and the other side of the second sliding plate is fixedly connected to one end of the extending portion 221.

The further lifting member 23 further includes a first cylinder, the first cylinder is fixed on the fixing seat 233 and located below the first sliding plate 232, and an output end of the first cylinder is fixedly connected to the first sliding plate 232 through a piston rod, so that the first cylinder drives the first sliding plate 232 to slide up and down along the second sliding rail 231 a. The first slide 232 of cylinder drive drives manipulator 22 and slides from top to bottom, and this simple structure is convenient for control, effectively promotes manipulator 22 and gets material stability and get material work efficiency.

The structure of the robot in this embodiment is explained as follows:

please refer to fig. 3, fig. 4 and fig. 6, wherein fig. 3 is a schematic structural view of a manipulator of an embodiment of the gripping device for the display screen assembling machine of the present invention, fig. 4 is a schematic structural view of a clamping portion of an embodiment of the gripping device for the display screen assembling machine of the present invention, and fig. 6 is a schematic structural view of a feeding state of a manipulator of an embodiment of the gripping device for the display screen assembling machine of the present invention.

Referring to fig. 2, the extension 221 of the robot 22 includes: an extension plate 2211, a fixed plate 2212, and a rotation motor 2213. The extension plate 2211 is fixed on the other side of the first sliding plate 232, the long side of the extension plate 2211 is perpendicular to the plane of the first sliding plate 232, and a through hole 2211a is formed in the extension plate 2211; the fixing plate 2212 is disposed at the bottom end of the extending plate 2211, and the bottom end of the fixing plate 2212 is fixedly connected to the clamping portion 222 of the manipulator 22; the rotating motor 2213 is fixed to the top end of the extending plate 2211, and the rotating shaft of the rotating motor 2213 passes through the through hole 2211a of the extending plate 2211 and is fixedly connected to the top surface of the fixing plate 2212. This extension 221 of manipulator 22 is simple structure, and it is rotatory to press from both sides the portion of getting through rotating motor 2213 drive for centre gripping open-ended opening direction is adjustable, this simple structure, compactness, and the structural design who rotates the regulation module has reduced the usage space who snatchs mechanism 2, and device simple structure, and the practicality is strong.

Further, the through hole 2211a on the extension plate 2211 has a strip-shaped structure, and is parallel to the long side of the extension plate 2211; the extension plate 2211 is further provided with a plurality of connecting holes for fixing the rotating motor 2213. This configuration allows the position of the rotary motor 2213 to be adjusted on the extension plate 2211, thereby adjusting the position of the clamping opening of the clamping portion 222 and increasing the utility of the device.

Please refer to fig. 5, fig. 7 and fig. 8, wherein fig. 5 is a schematic diagram of a manipulator descending and material taking of an embodiment of the gripping device for the display screen assembling machine of the present invention, fig. 7 is a schematic diagram of a manipulator discharging structure of an embodiment of the gripping device for the display screen assembling machine of the present invention, and fig. 8 is a plan view of a manipulator of an embodiment of the gripping device for the display screen assembling machine of the present invention.

The clamping portion 222 in this embodiment further includes: an adjusting plate 2227, a first connecting plate 2226 and a second connecting plate 2223, the adjusting plate 2227 is connected with the bottom end of the fixing plate 2212 of the extension part 221, and the bottom end of the adjusting plate 2227 is provided with a transverse adjusting groove; the first connecting plate 2226 and the second connecting plate 2223 are both disposed at the bottom end of the adjusting plate 2227, and the first connecting plate 2226 and the second connecting plate 2223 are relatively opened and closed through the transverse adjusting slot at the bottom end of the adjusting plate 2227; the first connecting plate 2226 is connected at one end to a first clamping member 2221 defining the clamping opening, and the second connecting plate 2223 is connected to a second clamping member 2222 defining the clamping opening. The clamping part 222 of the robot 22 slides and adjusts the two connecting plates to open and close relatively through the adjusting plate 2227, so that the first clamping part 2221 and the second clamping part 2222 clamp the module.

Further, the first connecting plate 2226 has a long strip structure, and the long side of the first connecting plate 2226 is parallel to the straight line of the transverse adjusting slot at the bottom end of the adjusting plate 2227; the first connecting plate 2226 is provided with a first sliding slot 2226a, the first sliding slot 2226a is a long bar structure and extends along the long side of the rod of the first connecting plate 2226, and the first sliding slot 2226a is adjustably connected to the first clamping member 2221. The user can adjust the size of the clamping state of the clamping opening according to the models of different molds, so that the clamping part 222 can clamp modules with different widths.

In this embodiment, the first connecting plate 2226 and the first clamping member 2221 are fixedly connected by a first adjusting rod 2224, a long side of the first adjusting rod 2224 is perpendicular to a long side of the first connecting plate 2226, a second sliding slot 2224a is disposed on the first adjusting rod 2224, the second sliding slot 2224a extends along the long side of the first adjusting rod 2224, and the first connecting plate 2226, the first clamping member 2221 and the second sliding slot 2224a are all fixed by bolts. First connecting plate 2226 connects first holder 2221 through first regulation pole 2224, and first holder 2221 is adjustable in the position on first regulation pole 2224 to make the module of the different length of manipulator 22 centre gripping, promoted the practicality of snatching mechanism 2 greatly.

Further, the first clamping members 2221 may be provided with a plurality of groups, and the plurality of groups of the first clamping members 2221 are all connected to the second sliding groove 2224a through bolts, so that the manipulator 22 is more stable when grabbing the groups.

The second connecting plate 2223 in this embodiment is a long strip, and the long side of the second connecting plate 2223 is parallel to the straight line of the transverse adjusting slot at the bottom end of the adjusting plate 2227; the second connecting plate 2223 is provided with a third sliding groove 2223a in an upward direction, the third sliding groove 2223a is a long-strip structure and extends along the long side of the second connecting plate 2223, the third sliding groove 2223a is used for being adjustably connected with the second clamping member 2222, and the manipulator 22 can adjust the second clamping member 2222 along the third sliding groove 2223a, so that a user can adjust the size of the clamping opening according to the width of the module.

In this embodiment, the second connecting plate 2223 is connected to the second clamping member 2222 by a second adjusting lever 2225, and the long side of the second adjusting lever 2225 is perpendicular to the long side of the second connecting plate 2223; and a fourth sliding groove 2225a is formed on the second adjusting lever 2225, the fourth sliding groove 2225a extends along the long side of the second adjusting lever 2225, and the second connecting plate 2223 and the second clamping member 2222 are both adjustably connected to the fourth sliding groove 2225a by bolts. Second connecting plate 2223 is connected second holder 2222 through second regulation pole 2225, and second holder 2222 is adjustable in the position on second regulation pole 2225 to make but the module of the different length of centre gripping of manipulator 22, increase centre gripping open-ended adjustable range, promoted the practicality of snatching mechanism 2 greatly.

Further, the second clamping members 2222 may be provided with a plurality of sets of second clamping members 2222 for clamping the modules, so as to increase the stability of the robot 22 when grabbing the modules.

Following does the utility model discloses a display screen is grabbing device 2's for assembly machine theory of operation:

firstly, the module is conveyed to the interior of the display screen assembling machine by the conveying belt 11 on the conveying platform 1, then the module is stopped at the working position of the conveying platform 1, and the module is grabbed and transferred to the next working platform by the grabbing mechanism 2.

When the module stops at the blanking position of the conveying platform 1, the clamping opening of the clamping part 222 of the manipulator 22 is in a far state, at this time, the first clamping part 2221 and the second clamping part 2222 are far away from each other, and the grabbing mechanism 2 drives the manipulator 22 to slide downwards along the second slide rail 231a through the first sliding plate 232 in the lifting part 23. Meanwhile, the clamping portion 222 drives the two clamping members to take materials by adjusting the distance between the first connecting plate 2226 and the second connecting plate 2223. All be equipped with the spout on two connecting plates in this embodiment, the centre gripping opening is adjusted according to the size of different modules to the person of being convenient for.

After the manipulator 22 takes a material, the first sliding plate 232 is driven by the cylinder to drive the manipulator 22 to slide up and down, and then the fixed seat 233 drives the lifting part 23 to slide along the first sliding rail 21a on the base 21, so that the grabbing mechanism 2 conveys the module.

In the module conveying process, the rotating motor 2213 of the extension part 221 of the manipulator 22 can drive the clamping part 222 to rotate, the structural design is novel, the equipment structure is optimized, the equipment space occupied by the grabbing mechanism 2 in the module conveying process is reduced, the direction of the clamping opening can be adjusted, the manipulator 22 can convey the module to feeding platforms with various arrangement angles, and the practicability of the equipment is greatly improved.

After the module is conveyed to the next working platform by the grabbing mechanism 2, the grabbing mechanism 2 integrally returns to the standby position. Thus, the conveying module process of the gripping device 2 for the display screen assembling machine of the embodiment is completed.

In summary, although the present invention has been described with reference to the preferred embodiments, the above embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.

Claims

1. The utility model provides a grabbing device for display screen assembly machine which characterized in that includes:

2. The grasping device for a display screen assembling machine according to claim 1, wherein the lifting member includes:

one end of the extension part is fixedly connected with the other side of the first sliding plate.

3. The grasping device for a display screen assembling machine according to claim 2, wherein the extending portion includes:

and the rotating motor is fixedly installed at the top end of the extension plate, and a rotating shaft of the rotating motor penetrates through the through hole and is fixedly connected with the top surface of the fixing plate.

4. The grasping device for a display screen assembling machine according to claim 3, wherein: the through-hole is bar-shaped structure, and with the long limit of extension board is parallel, still be equipped with a plurality of connecting holes on the long limit of extension board, the connecting hole is used for connecting the rotation motor.

5. The grasping device for a display screen assembling machine according to claim 3, wherein the clamping portion further includes:

6. The grabbing device for the display screen assembling machine according to claim 5, wherein the first connecting plate has a long strip structure, the long edge of the first connecting plate is parallel to the straight line of the transverse adjusting groove, a first sliding groove is formed in the first connecting plate, the first sliding groove has a long strip structure and extends along the long edge of the first connecting plate, and the first sliding groove is adjustably connected with the first clamping member.

7. The grabbing device for the display screen assembling machine according to claim 5, wherein a first adjusting rod is arranged between the first connecting plate and the first clamping piece, the long edge of the first adjusting rod is perpendicular to the long edge of the first connecting plate, a second sliding groove is formed in the first adjusting rod, the second sliding groove extends along the long edge of the first adjusting rod, and the first connecting plate and the first clamping piece are both connected with the second sliding groove through bolts.

8. The grabbing device for the display screen assembling machine according to claim 5, wherein the second connecting plate is of a long strip structure, the long side of the second connecting plate is parallel to the straight line of the transverse adjusting groove, a third sliding groove is formed in the second connecting plate, the third sliding groove is of a long strip structure and extends along the long side of the second connecting plate, and the third sliding groove is adjustably connected with the second clamping piece.

9. The grabbing device for the display screen assembling machine according to claim 5, wherein a second adjusting rod is arranged between the second connecting plate and the second clamping piece, a long side of the second adjusting rod is perpendicular to a long side of the second connecting plate, a fourth sliding groove is formed in the second adjusting rod, the fourth sliding groove extends along the long plate of the second adjusting rod, and the second connecting plate and the second clamping piece are both connected with the fourth sliding groove through bolts.

10. The grasping device for a display screen assembling machine according to claim 1, wherein the first holding member is provided with a plurality of groups, and the second holding member is provided with a plurality of groups.