CN221257347U - Back adhesive attaching jig for touch screen - Google Patents

Abstract

The back adhesive attaching jig for the touch screen comprises a shell, a positioning mechanism and a lifting mechanism, wherein a discharging position for placing the touch screen is arranged on the shell, and the discharging position can position the touch screen. The outside of putting the material level is provided with the laminating position that is used for placing the gum. The positioning piece of the positioning mechanism can protrude out of the attaching position and position the back adhesive, the attaching position is further provided with an adsorption assembly, and the back adhesive is adsorbed through the adsorption assembly, so that the back adhesive can be ensured to be placed flatly before being attached to the touch screen; on the other hand, the lifting mechanism capable of driving the touch screen to lift is further arranged in the discharging position, and the lifting plate of the lifting mechanism acts to drive the touch screen to be far away from or close to the attaching position. After the back glue is positioned, the touch screen is driven by the lifting plate to descend to be close to the attaching position so as to be attached to the back glue. The back adhesive attaching jig for the touch screen is simple in structure, convenient to operate, good in positioning effect and good in attaching effect.

Description

Back adhesive attaching jig for touch screen

Technical Field

The utility model relates to the technical field of electronic equipment production, in particular to a back adhesive attaching jig for a touch screen.

Background

TP is a touch panel, TP back glue is a layer of adhesive object attached to the back of a shell material to enable the back to be attached to TP, and the back glue has good adhesiveness and aging resistance. In the prior art, the mode of adopting artifical rubberizing more is laminated, but adopts the manual work to laminate when laminating, laminating speed is slow, and has the inaccurate problem of laminating, and is efficient, causes the waste of material easily.

In order to ensure the accuracy of the bonding, the adhesive-backed bonding jig is used for auxiliary bonding during bonding. The produced adhesive-backed film can be put into a fixture. Then manually observing whether the back glue is put in order, and putting the touch screen into the clamp. The touch screen and the back adhesive are pressed by hands. And then the back adhesive is taken up to observe whether the back adhesive is thoroughly adhered to the touch screen. The touch screen back adhesive is stuck by the manual auxiliary jig, so that the back adhesive is easy to attach unevenly, and wrinkles are easy to generate. Moreover, the positioning of the back adhesive is observed by naked eyes, errors are easy to exist, when the back adhesive is attached, deviation can exist in the attaching position of the touch screen and the back adhesive, the attaching effect is affected, and the back adhesive is low in efficiency and high in reject ratio.

Therefore, it is necessary to provide a touch screen adhesive-backed jig capable of positioning the adhesive-backed and the touch screen to improve yield and efficiency.

Disclosure of utility model

The utility model aims to provide a back adhesive attaching jig for a touch screen, which can position back adhesive and the touch screen so as to improve yield and efficiency.

In order to achieve the above object, the present utility model provides a touch screen back adhesive attaching jig, which is suitable for attaching a touch screen and a back adhesive, and includes:

The shell is provided with a discharging position and a bonding position, the discharging position is used for placing the touch screen, the bonding position is arranged at the outer side of the discharging position along the circumferential direction of the discharging position, and the bonding position is used for placing the back adhesive and enabling the back adhesive to be attached to the touch screen;

the positioning mechanism comprises a positioning assembly and an adsorption assembly, wherein the positioning assembly comprises a positioning piece which can protrude out of the attaching position, the positioning piece is used for positioning the back glue, and the adsorption assembly is arranged on the attaching position and used for adsorbing the positioning back glue;

the lifting mechanism comprises a lifting plate arranged in the material placing position, and the lifting plate is lifted so as to enable the touch screen to be far away from or close to the attaching position.

Compared with the prior art, the back adhesive attaching jig for the touch screen can be used for respectively positioning the back adhesive and the touch screen, so that the yield and the efficiency of back adhesive attaching of the touch screen are improved. The touch screen adhesive tape back-up jig comprises a shell, a positioning mechanism and a lifting mechanism, wherein a discharging position for placing the touch screen is arranged on the shell, and the discharging position can position the touch screen. The outside of putting the material level is provided with the laminating position that is used for placing the gum. The locating part of positioning mechanism can be protruding stretch out laminating position and to carry out the location to the gum, simultaneously, still is provided with the adsorption component on laminating position, adsorbs the gum through the adsorption component to make the gum place smoothly before laminating with the touch-sensitive screen, thereby make the gum after the laminating can not fold. On the other hand, be provided with the elevating system that can drive the touch-sensitive screen and go up and down in the material level of putting, elevating system's lifter plate action to can drive touch-sensitive screen and keep away from or be close to the laminating position. After the back glue is positioned, the touch screen is driven by the lifting plate to descend to be close to the attaching position so as to be attached to the back glue. The back adhesive attaching jig for the touch screen is simple in structure, convenient to operate, good in positioning effect and good in attaching effect.

Preferably, a plurality of positioning blocks for positioning the touch screen are convexly arranged on the attaching position.

Preferably, the back glue comprises a glue block and release paper, wherein the glue block is attached to one side of the release paper, a through groove and a through hole are formed in one side, away from the glue block, of the release paper, the through groove is used for avoiding the positioning block, and the through hole is used for being matched with the positioning piece to position the back glue.

Preferably, the adsorption assembly comprises a plurality of air holes arranged on the attaching position, the air holes are connected to the vacuum air circuit, and the vacuum air circuit is started to enable the air holes to adsorb the back glue.

Preferably, the positioning assembly further comprises a first power piece, the positioning piece is arranged at the output end of the first power piece, the first power piece is located in the shell, and the first power piece acts to enable the positioning piece to protrude out of the shell or acts to enable the positioning piece to retract into the shell.

Preferably, the positioning mechanism further comprises a mounting plate, the mounting plate is mounted at the output end of the first power piece, a plurality of positioning pieces are arranged on the mounting plate, and the first power piece acts to drive the plurality of positioning pieces on the mounting plate to act simultaneously.

Preferably, the shell comprises a discharging plate and a guide plate, the discharging position is arranged on the discharging plate, the guide plate is arranged between the mounting plate and the discharging plate, a plurality of guide holes are formed in the guide plate, a plurality of positioning holes are formed in the discharging plate, a positioning part is convexly arranged on one surface of the discharging plate, which is close to the guide plate, and the positioning holes are formed in the positioning part.

Preferably, the lifting mechanism further comprises a second power piece, the lifting plate is arranged at the output end of the second power piece, the second power piece is positioned in the shell, and the second power piece acts to enable the lifting plate to descend, so that the touch screen can be attached to the back adhesive on the attaching position; or the second power piece acts to lift the lifting plate, so that the lifting plate is far away from the attaching position.

Preferably, a trough for lifting the lifting plate is arranged in the material placing position, and the lifting plate is lifted along the trough in the material placing position.

Preferably, the lifting plate is provided with a sensing piece, and the touch screen is determined to be placed on the lifting plate by the sensing piece.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a block diagram of a touch screen adhesive tape attaching jig according to an embodiment of the utility model.

Fig. 2 is a structural diagram of another angle of the touch screen adhesive tape attaching jig of fig. 1.

Fig. 3 is an internal structural view of fig. 1.

Fig. 4 is a structural view of the blanking plate of fig. 1.

Fig. 5 is an enlarged view at a in fig. 4.

Fig. 6 is a view of the structure of another angle in fig. 4.

Fig. 7 is a block diagram of the positioning assembly of fig. 3.

Fig. 8 is a structural view of the elevating mechanism in fig. 3.

Fig. 9 is a schematic structural view of the back adhesive in the present utility model.

Reference numerals illustrate:

100. The back glue sticking jig of the touch screen; 101. a touch screen; 102. back glue; 1021. a glue block; 1022. release paper; 1023. a through hole; 1024. a through groove;

10. A housing; 11. a discharging plate; 111. a trough; 112. a turnover part; 113. positioning holes; 114. a positioning part; 12. discharging material level; 13. a bonding position; 14. a positioning block; 15. a guide plate; 151. a guide hole;

20. a positioning mechanism; 201. a positioning assembly; 21. a positioning piece; 22. a first power member; 23. a mounting plate; 24. a sliding block; 25. an adsorption assembly; 251. air holes;

30. A lifting mechanism; 31. a lifting plate; 32. a second power member; 33. and the induction piece.

Detailed Description

In order to describe the technical content and constructional features of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.

Referring to fig. 1 to 3, the present utility model provides a back adhesive attaching jig 100 for a touch screen, which is suitable for attaching a touch screen 101 and a back adhesive 102. The touch screen adhesive-backed jig 100 comprises a housing 10, a positioning mechanism 20 and a lifting mechanism 30. The housing 10 is provided with a discharge position 12 and an attachment position 13. The discharging position 12 is used for placing the touch screen 101, the attaching position 13 is arranged on the outer side of the discharging position 12 along the circumferential direction of the discharging position 12, and the attaching position 13 is used for placing the back adhesive 102 and enabling the back adhesive 102 to be attached to the touch screen 101. That is, the placement position 12 is in the middle of the attaching position 13, the attaching position 13 is at the outer ring of the placement position 12, the back glue 102 is placed on the attaching position 13 in advance, and the touch screen 101 can be attached to the back glue 102 when the touch screen 101 is placed in the placement position 12. Wherein, the laminating position 13 is provided with a positioning mechanism 20, and the positioning mechanism 20 comprises a positioning component 201 and an adsorption component 25. The positioning component 201 comprises a positioning piece 21 capable of protruding out of the attaching position 13, the positioning piece 21 is used for positioning the back adhesive 102, the adsorption component 25 is arranged on the attaching position 13 and used for adsorbing the positioning back adhesive 102, and the adsorption component 25 is used for adsorbing the back adhesive 102, so that the back adhesive 102 can be ensured to be placed flatly before being attached to the touch screen 101, and the attached back adhesive 102 cannot be folded. On the other hand, the elevating mechanism 30 includes an elevating plate 31 provided in the placement level 12, and the elevating plate 31 is elevated to move the touch panel 101 away from or close to the attaching position 13. When placing the gum 102, locating piece 21 and lifter plate 31 can all be in the jacking state, fixes a position gum 102 through locating piece 21, then adsorption component 25 adsorbs the gum 102 well, makes gum 102 level and smooth placing, detects the negative pressure value of adsorption component 25 and reaches standard after, locating piece 21 descends. Then, the touch screen 101 is placed on the lifting plate 31, and after the touch screen 101 is placed, the lifting plate 31 is lowered, so that the touch screen 101 on the lifting plate 31 is attached to the back adhesive 102. Further, the adsorption unit 25 is turned off, and the touch panel 101 with the back adhesive 102 attached thereto is taken out. The positioning member 21 and the lifting plate 31 are lifted again, and the operation is circulated.

Compared with the prior art, the back adhesive sticking jig 100 for the touch screen can position the back adhesive 102 and the touch screen 101 respectively, so that the yield and the efficiency of sticking the back adhesive 102 to the touch screen 101 are improved. The touch screen adhesive tape attaching jig 100 comprises a shell 10, a positioning mechanism 20 and a lifting mechanism 30, wherein a placement position 12 for placing a touch screen 101 is arranged on the shell 10, and the placement position 12 can position the touch screen 101. The outside of the placement level 12 is provided with a laminating station 13 for placing the backing adhesive 102. The positioning piece 21 of the positioning mechanism 20 can protrude out of the attaching position 13 and position the back adhesive 102, meanwhile, the adsorbing assembly 25 is further arranged on the attaching position 13, and the back adhesive 102 is adsorbed through the adsorbing assembly 25, so that the back adhesive 102 can be ensured to be placed flatly before being attached to the touch screen 101, and the attached back adhesive 102 cannot be folded. On the other hand, a lifting mechanism 30 capable of driving the touch screen 101 to lift is provided in the discharging position 12, and a lifting plate 31 of the lifting mechanism 30 acts to drive the touch screen to move away from or close to the attaching position 13. After the back glue 102 is positioned, the touch screen 101 is driven by the lifting plate 31 to descend to be close to the attaching position 13 so as to be attached to the back glue 102. The back adhesive attaching jig 100 for the touch screen is simple in structure, convenient to operate, good in positioning effect and good in attaching effect.

Referring to fig. 1 to 4, in some alternative embodiments, a plurality of positioning blocks 14 for positioning the touch screen 101 are disposed on the attaching position 13 in a protruding manner. It will be appreciated that after the placement of the adhesive 102 is completed, the lifting plate 31 is lifted up to a certain height so as not to contact the adhesive 102 on the attaching position 13 when the touch screen 101 is placed. The touch screen 101 is placed on the lifting plate 31, and the placement of the touch screen 101 is positioned through the positioning block 14 protruding from the attaching position 13, so that the lifting plate 31 is determined to drive the touch screen 101 to descend and then accurately align with the back adhesive 102 on the attaching position 13, and the attaching effect is good.

Referring to fig. 9, in some alternative embodiments, the back adhesive 102 includes an adhesive block 1021 and release paper 1022, and the adhesive block 1021 is provided with release paper 1022 on both sides before being attached. The release paper 1022 on one side of the glue stock has a larger area, and the glue block 1021 is attached to one side of the release paper 1022, and the other side of the release paper 1022 is empty. Specifically, a through slot 1024 and a through hole 1023 are formed on a side of the release paper 1022 away from the adhesive tape 1021, i.e. on a side of the release paper 1022 that is empty, the through slot 1024 is used for avoiding the positioning block 14, and the through hole 1023 is used for being matched with the positioning piece 21 to position the back adhesive 102. It can be appreciated that, for better positioning the back adhesive 102, the release paper 1022 on one side of the back adhesive 102 protrudes out of the back adhesive 102, and then the protruding release paper 1022 is provided with a through slot 1024 and a through hole 1023, so that the whole back adhesive 102 is positioned, and the overall structure of the adhesive 1021 is not affected after the release paper 1022 is separated from the adhesive 1021.

Referring to fig. 1 to 6, in some alternative embodiments, the adsorbing assembly 25 includes a plurality of air holes 251 formed on the attaching position 13, the plurality of air holes 251 are all connected to a vacuum air path, and the vacuum air path is activated to enable the plurality of air holes 251 to adsorb the adhesive backed 102. The vacuum air path may be disposed in the housing 10, or may be externally connected to other vacuum devices. After the positioning piece 21 positions the back adhesive 102, the back adhesive 102 is adsorbed on the attaching position 13 by the adsorption force of the air holes 251, and the back adhesive 102 is placed flatly. On the other hand, the adsorption component 25 is further connected with a detection component, and when the detection component detects that the negative pressure value of the adsorption component 25 reaches the standard, the positioning piece 21 is lowered to be ready for subsequent lamination. Then, the touch screen 101 is placed on the lifting plate 31, and after the touch screen 101 is placed, the lifting plate 31 is lowered, so that the touch screen 101 on the lifting plate 31 is attached to the back adhesive 102. The adsorption assembly 25 is then closed, and the touch panel 101 with the back adhesive 102 attached thereto is taken out.

Referring to fig. 3 and 7, in some alternative embodiments, the positioning assembly 201 further includes a first power member 22, and the positioning member 21 is disposed at an output end of the first power member 22. The first power member 22 is located in the housing 10, and the first power member 22 acts to enable the positioning member 21 to protrude out of the housing 10, or the first power member 22 acts to retract the positioning member 21 into the housing 10. The first power member 22 may be a cylinder, and the positioning member 21 may be a positioning pin. Specifically, the positioning mechanism 20 further includes a mounting plate 23, the mounting plate 23 is mounted at an output end of the first power member 22, a plurality of positioning members 21 are disposed on the mounting plate 23, and the first power member 22 acts to drive the plurality of positioning members 21 on the mounting plate 23 to act simultaneously. It can be appreciated that the plurality of positioning members 21 are connected to the output end of the first power member 22 through the mounting plate 23, and the plurality of positioning members 21 are arranged along the circumferential direction of the mounting plate 23 according to actual positioning requirements, so as to be capable of positioning the adhesive backed sheet 102 corresponding to the attaching position 13. In the present embodiment, the number of the first power elements 22 is two, two first power elements 22 are symmetrically disposed on two sides of the housing 10, each first power element 22 is correspondingly connected with a sliding block 24, the sliding blocks 24 are slidably mounted on the first power elements 22, and the sliding blocks 24 are connected to the mounting plate 23. The first power member 22 is fixed in the housing 10, and the first power member 22 acts to slide the sliding block 24 and assist in moving the entire mounting plate 23 up or down. Two first power parts 22 are arranged, and sliding blocks 24 are arranged to enable the whole connecting plate to be lifted at the same time, and the structure is more stable, so that a plurality of positioning parts 21 can be lifted at the same time, and the positioning effect is good.

Referring to fig. 3-6, in some alternative embodiments, the housing 10 includes a blanking plate 11 and a guide plate 15, with the blanking level 12 being disposed on the blanking plate 11. An inwardly concave groove is formed in the discharge plate 11 to form a discharge level 12. On the other hand, the guide plate 15 is disposed between the mounting plate 23 and the blanking plate 11. The guide plate 15 is provided with a plurality of guide holes 151. Specifically, a plurality of positioning holes 113 are formed in the discharging plate 11, a positioning portion 114 is convexly arranged on one surface of the discharging plate 11, which is close to the guide plate 15, and the positioning holes 113 are located in the positioning portion 114. The discharging plate 11 and the guide plate 15 cooperate with each other so that the positioning portion 114 is mounted in the guide hole 151, i.e., the positioning hole 113 is located in the guide hole 151. The first power member 22 acts to enable the positioning member 21 to extend out of the positioning hole 113 to position the adhesive-backed sheet 102. Or the first power member 22 acts to retract the positioning member 21 into the housing 10 so that the touch screen 101 is attached to the back adhesive 102, so as to prevent the touch screen 101 from interfering with the positioning member 21. Wherein, one side of the discharging plate 11 is connected to the base of the casing 10 through the turnover part 112, and the discharging plate 11 can be turned over through the turnover part 112, so as to overhaul the internal structure, etc.

Referring to fig. 3 and 8, in some alternative embodiments, the lifting mechanism 30 further includes a second power member 32, and the lifting plate 31 is disposed at an output end of the second power member 32. Wherein, the second power member 32 is located in the housing 10, and the second power member 32 acts to raise or lower the lifting plate 31. The second power member 32 may be a cylinder. When the second power member 32 drives the lifting plate 31 to descend, the touch screen 101 can be attached to the back adhesive 102 on the attaching position 13. The second power member 32 lifts the lifting plate 31 so that the lifting plate 31 is far away from the attaching position 13. Specifically, when the back adhesive 102 is placed, the lifting plate 31 may be in a lifted state, and the lifting plate 31 may also be in a lowered state. After the back adhesive 102 is positioned and placed flatly, and the negative pressure value of the adsorption assembly 25 is detected to reach the standard, the positioning piece 21 descends. Then, the touch panel 101 is placed on the lifter plate 31, and the lifter plate 31 is in a lifted state. After the touch screen 101 is placed, the second power piece 32 drives the lifting plate 31 to descend, so that the touch screen 101 on the lifting plate 31 descends and is attached to the back adhesive 102. Then, the adsorption assembly 25 is closed, and the touch panel 101 with the back adhesive 102 attached thereto is taken out. And (5) circularly operating.

Referring to fig. 1, 3 and 8, in some alternative embodiments, a trough 111 is provided in the discharge level 12 for lifting the lifting plate 31, and the lifting plate 31 is lifted along the trough 111 in the discharge level 12. A trough 111 is provided, so that the second power piece 32 located in the housing 10 can be connected to the lifting plate 31 and drive the lifting plate 31 to move up and down. The sensing element 33 is disposed on the lifting plate 31, and the touch screen 101 is determined to be placed on the lifting plate 31 by the sensing element 33. When the sensing piece 33 senses that the touch screen 101 is placed on the lifting plate 31, the second power piece 32 is triggered, and the second power piece 32 drives the lifting plate 31 to descend, so that the touch screen 101 descends and is attached to the back adhesive 102. When the sensing piece 33 senses that the touch screen 101 is taken away from the lifting plate 31, the first power piece 22 is triggered, and the first power piece 22 drives the mounting plate 23 and the positioning pieces 21 on the mounting plate 23 to ascend, so that the positioning pieces 21 protrude out of the positioning holes 113 to position the back adhesive 102 for cyclic operation.

As shown in fig. 1 to 9, the back adhesive attaching jig 100 for a touch screen of the present utility model can position the back adhesive 102 and the touch screen 101 respectively, so as to improve the yield and efficiency of attaching the back adhesive 102 to the touch screen 101. The touch screen adhesive tape attaching jig 100 comprises a shell 10, a positioning mechanism 20 and a lifting mechanism 30, wherein a material placing position 12 for placing a touch screen 101 is arranged on the shell 10, and the material placing position 12 can position the touch screen 101 through a positioning block 14. The outside of the placement level 12 is provided with a laminating station 13 for placing the backing adhesive 102. The positioning piece 21 of the positioning mechanism 20 can protrude out of the attaching position 13 and position the back adhesive 102, meanwhile, the adsorbing assembly 25 is further arranged on the attaching position 13, and the back adhesive 102 is adsorbed through the adsorbing assembly 25, so that the back adhesive 102 can be ensured to be placed flatly before being attached to the touch screen 101, and the attached back adhesive 102 cannot be folded. Meanwhile, a lifting mechanism 30 that can drive the touch panel 101 to lift and lower is provided in the discharge level 12. When the back adhesive 102 is placed, the positioning piece 21 protrudes out of the positioning hole 113 on the discharging plate 11, and is matched with the through hole 1023 on the release paper 1022 of the back adhesive 102 through the positioning piece 21 so as to position the back adhesive 102. Then adsorb the gum 102 through adsorption component 25, make gum 102 level and smooth the placing, after detecting the negative pressure value of adsorption component 25 and reaching the standard, setting element 21 descends to make touch-sensitive screen 101 descend when laminating with gum 102, setting element 21 can not interfere with touch-sensitive screen 101. Then, the touch screen 101 is placed on the lifting plate 31, at this time, the lifting plate 31 is in a lifting state, and after the touch screen 101 is placed, the lifting plate 31 is lowered by the second power piece 32, so that the touch screen 101 on the lifting plate 31 is attached to the back adhesive 102. The adsorption assembly 25 is closed, and the touch screen 101 attached with the back adhesive 102 is taken out. And (5) circularly operating. The back adhesive attaching jig 100 for the touch screen is simple in structure, convenient to operate, good in positioning effect and good in attaching effect.

The foregoing disclosure is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims (10)

1. The utility model provides a touch-sensitive screen pastes gum tool, is applicable to laminating touch-sensitive screen and gum, its characterized in that includes:

The touch screen comprises a shell, a touch screen body and a touch screen, wherein the shell is provided with a discharging position and a bonding position, the discharging position is used for placing the touch screen, the bonding position is arranged on the outer side of the discharging position along the circumferential direction of the discharging position, and the bonding position is used for placing the back adhesive and enabling the back adhesive to be attached to the touch screen;

The positioning mechanism comprises a positioning assembly and an adsorption assembly, wherein the positioning assembly comprises a positioning piece capable of protruding out of the attaching position, the positioning piece is used for positioning the back adhesive, and the adsorption assembly is arranged on the attaching position and used for adsorbing and positioning the back adhesive;

The lifting mechanism comprises a lifting plate arranged in the material placing position, and the lifting plate is lifted so that the touch screen is far away from or close to the attaching position.

2. The touch screen back adhesive attaching jig according to claim 1, wherein a plurality of positioning blocks for positioning the touch screen are convexly arranged on the attaching position.

3. The touch screen back adhesive attaching jig according to claim 2, wherein the back adhesive comprises an adhesive block and release paper, the adhesive block is attached to one side of the release paper, a through groove and a through hole are formed in one side of the release paper away from the adhesive block, the through groove is used for avoiding the positioning block, and the through hole is used for being matched with the positioning piece to position the back adhesive.

4. The touch screen adhesive backing jig according to claim 1, wherein the adsorption assembly comprises a plurality of air holes formed in the attaching position, the plurality of air holes are connected to a vacuum air passage, and the vacuum air passage is started to enable the plurality of air holes to adsorb the adhesive backing.

5. The touch screen adhesive-backed jig of claim 1, wherein the positioning assembly further comprises a first power element, the positioning element is disposed at an output end of the first power element, the first power element is disposed in the housing, the first power element acts to enable the positioning element to protrude out of the housing, or the first power element acts to enable the positioning element to retract into the housing.

6. The touch screen adhesive tape back jig according to claim 5, wherein the positioning mechanism further comprises a mounting plate, the mounting plate is mounted at the output end of the first power member, a plurality of positioning members are arranged on the mounting plate, and the first power member acts to drive a plurality of positioning members on the mounting plate to act simultaneously.

7. The touch screen adhesive backing jig according to claim 6, wherein the housing comprises a discharging plate and a guide plate, the discharging position is arranged on the discharging plate, the guide plate is arranged between the mounting plate and the discharging plate, a plurality of guide holes are formed in the guide plate, a plurality of positioning holes are formed in the discharging plate, a positioning part is convexly arranged on one surface of the discharging plate, which is close to the guide plate, the positioning holes are formed in the positioning part, the positioning part is arranged in the guide holes so that the positioning holes are positioned in the guide holes, and the positioning part extends out of the positioning holes to position the adhesive backing.

8. The touch screen back adhesive attaching jig according to claim 1, wherein the lifting mechanism further comprises a second power piece, the lifting plate is arranged at an output end of the second power piece, the second power piece is positioned in the shell, and the second power piece acts to enable the lifting plate to descend, so that the touch screen can be attached to the back adhesive on the attaching position; or the second power piece acts to lift the lifting plate, so that the lifting plate is far away from the attaching position.

9. The touch screen adhesive tape back jig according to claim 1, wherein a trough for lifting the lifting plate is arranged in the material placing position, and the lifting plate lifts along the trough in the material placing position.

10. The touch screen back adhesive attaching jig according to claim 1, wherein an induction piece is arranged on the lifting plate, and the touch screen is determined to be placed on the lifting plate by means of the induction piece.