A touch screen multi-touch performance testing device

Abstract

The application relates to a detection device, in particular to a touch screen multi-point touch performance detection device. The application provides a touch screen multi-point touch performance detection device which is convenient to connect and improves test efficiency. The application provides the touch screen multi-point touch performance detection device which comprises a bottom plate, a connecting plate, a display and a socket, the left front side of the bottom plate is fixedly provided with the connecting plate, the connecting plate is fixedly provided with the display, the lower right part of the display is fixedly provided with the socket, and the display and the socket are connected through wires. The slider moves to the right to drive the contact ball to move to the right, the touch screen is subjected to multi-point touch performance detection under the action of the three contact balls, the staff puts the interface of the touch screen into the connector, then the connecting block is driven to slide downward and reset through the second elastic element, so that the touch screen and the display are quickly connected, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to a detection device, in particular to a touch screen multi-touch point touch performance detection device. BACKGROUND

[0002] In the production and manufacturing process of the touch screen, the touch performance test of the touch screen is needed, and the yield of the mobile phone touch screen is determined by the final test result. The mobile phone touch screen test is to detect the defective products, and all the touch screens with substandard performance and quality cannot be applied.

[0003] The patent with the patent announcement number CN207636673U discloses a touch screen detection device, the detection device comprises a connecting part and a touch part which are fixed and rotatable with a machine table, the connecting part is fixedly connected with the touch part, one end of the touch part away from the machine table is provided with a touch head, wherein the touch part comprises a hollow connecting rod and a movable part, the connecting rod is internally provided with an elastic mechanism consistent with the extension direction of the touch part, one end of the movable part is connected with the elastic mechanism, and the touch head is arranged at the other end of the movable part. The detection device is provided with a rotatable connecting part, a pointer and an angle scale, and can realize the function of angle adjustment of the touch screen detection device, can simulate different contact angles of the hand and the panel, and the touch performance detection result is more accurate. However, the detection device cannot realize multi-touch point detection of the touch screen, and the single touch head is used for different angle detection, which still has the phenomenon of inaccuracy. Moreover, the detection device needs to be connected with the control system of the test machine or the touch screen detection device before detection, and the connection mode is relatively complicated, thereby affecting the detection efficiency.

[0004] Therefore, it is necessary to design a touch screen multi-touch point touch performance detection device which is convenient to connect and improves the test efficiency. SUMMARY

[0005] In order to overcome the defects of the existing detection device, that is, the detection device needs to be connected with the control system of the test machine or the touch screen detection device before detection, and the connection mode is relatively complicated, thereby affecting the detection efficiency, the technical problem to be solved is to provide a touch screen multi-touch point touch performance detection device which is convenient to connect and improves the test efficiency.

[0006] The technical scheme of the present application is: a touch screen multi-touch point touch performance detection device, comprising a bottom plate, a connecting plate, a display, a socket, a detection mechanism and a connecting mechanism, the connecting plate is fixedly arranged on the left front side of the bottom plate, the display is fixedly arranged on the connecting plate, the socket is fixedly arranged on the lower right part of the display, the display and the socket are connected through an electric wire, the bottom plate is provided with the detection mechanism capable of detecting the touch points of the touch screen, and the connecting plate is provided with the connecting mechanism convenient for connecting the touch screen and the display.

[0007] Further, the detection mechanism comprises a guide plate, a guide rod, a lead screw, a servo motor, a guide rail, a sliding block, a contact ball and a first elastic member, the guide plate is placed on the bottom plate, the guide rod is fixedly arranged at the top rear side of the guide plate, the lead screw is rotatably arranged at the top front side of the guide plate, the servo motor is fixedly arranged at the right front side of the guide plate, the output shaft of the servo motor is connected with the right end of the lead screw through a shaft coupling, the guide rail is slidably arranged on the guide rod, the guide rail is threadedly connected with the lead screw, three sliding blocks are uniformly and interval ly arranged on the guide rail in a sliding manner, the sliding blocks are slidably connected with the guide plate, the contact ball capable of contacting the touch screen is slidably arranged at the bottom of the sliding block, the first elastic member is connected between the lower part of the contact ball and the adjacent sliding block, and the first elastic member is sleeved on the sliding block.

[0008] Further, the connecting mechanism comprises a connector, a connecting line, a connecting block and a second elastic member, the connector is fixedly arranged on the connecting plate, the connecting line is fixedly and symmetrically connected with the connector on the left side, the connecting line is connected with the socket, the connecting block convenient for connecting the touch screen is slidably arranged on the connector, the second elastic member is symmetrically connected between the connecting block and the inner top of the connector, and the second elastic member is sleeved on the connecting block.

[0009] Further, the limiting mechanism capable of limiting the touch screen is further arranged, the limiting mechanism comprises a limiting plate, a nut, a rack and a gear, the limiting plate capable of limiting the touch screen is slidably arranged on the bottom plate in a front-rear symmetrical manner, the nuts are threadedly arranged on the lower part of the limiting plate in a left-right symmetrical manner, the rack is fixedly arranged on the middle part of the limiting plate, the gear is rotatably arranged at the middle position of the bottom plate, and the rack and the gear are meshed with each other.

[0010] Further, the moving mechanism convenient for moving the bottom plate and facilitating the staff to place the touch screen is further arranged, and the moving mechanism comprises a support frame, a guide rod, a first rotating shaft, a contact block and a moving frame, the guide rods are fixedly arranged on the support frame in a left-right symmetrical manner, the bottom plate is slidably connected with the guide rods, the lower part of the display is slidably connected with the left part of the support frame, the first rotating shaft is rotatably arranged at the rear part of the support frame, the guide plate is connected with the first rotating shaft, the contact blocks are fixedly arranged at the left and right ends of the first rotating shaft, the moving frames are fixedly arranged on the rear side of the bottom plate in a left-right symmetrical manner, the moving frames are slidably connected with the adjacent guide rods, and the moving frames are slid forward to pull the contact blocks to rotate upward.

[0011] Further, the fixing mechanism capable of fixing the guide plate is further arranged, and the fixing mechanism comprises a fixing plate, a guide sleeve, a limiting block and a third elastic member, the fixing plate is fixedly arranged at the rear part of the support frame, the guide sleeves are fixedly arranged on the upper part of the fixing plate in a left-right symmetrical manner, the limiting block capable of fixing the guide plate is slidably arranged in the guide sleeve, the upper part of the moving frame penetrates into the adjacent limiting block, and the third elastic member is connected between the limiting block and the inner part of the adjacent guide sleeve, the third elastic member is sleeved on the limiting block, and the third elastic member is in a compressed state in an initial state.

[0012] Further, the unloading mechanism for facilitating the staff to unload the completed detection touch screen is further included, the unloading mechanism includes a second rotating shaft and a push rod, the second rotating shaft is rotatably arranged at the front of the supporting frame, and the push rod is symmetrically and fixedly arranged on the second rotating shaft and capable of lifting the completed detection touch screen.

[0013] Further, the unloading mechanism for facilitating the staff to unload the completed detection touch screen is further included, the unloading mechanism includes a second rotating shaft and a push rod, the second rotating shaft is rotatably arranged at the front of the supporting frame, and the push rod is symmetrically and fixedly arranged on the second rotating shaft and capable of lifting the completed detection touch screen.

[0014] The above description of the structure of the present application shows that the design starting point, concept and advantages of the present application are: 1. The sliding block moves to the right to drive the contact ball to move to the right, and the touch screen is subjected to multi-touch point touch performance detection under the action of the three contact balls. The staff puts the interface of the touch screen into the connector, and then resets the connecting block by the second elastic member to slide downward, so as to realize the rapid connection of the touch screen and the display, and improve the detection efficiency.

[0015] 2. Under the action of the two limiting plates, the purpose of limiting the touch screen is achieved, and displacement of the touch screen during detection is prevented.

[0016] 3. The moving frame slides forward to extrude the contact block to drive the first rotating shaft to rotate, and the first rotating shaft rotates to drive the guide plate to flip upward, so as to facilitate the staff to place the touch screen, and the limiting block can limit the upwardly flipped guide plate.

[0017] 4. The push rod rotates downward to make the rear part upwardly tilt, thereby realizing the lifting of the touch screen, so as to facilitate the staff to collect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application.

[0019] Figure 2 It is a schematic diagram of part of the three-dimensional structure of the present application.

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the detection mechanism of the present application.

[0021] Figure 4 It is a schematic diagram of part of the three-dimensional structure of the detection mechanism of the present application.

[0022] Figure 5 It is a first schematic diagram of part of the three-dimensional structure of the connecting mechanism of the present application.

[0023] Figure 6 It is a second schematic diagram of part of the three-dimensional structure of the connecting mechanism of the present application.

[0024] Figure 7The first part of the limiting mechanism of the application is shown in the schematic diagram of the partial structure.

[0025] Figure 8 The second part of the limiting mechanism of the application is shown in the schematic diagram of the partial structure.

[0026] Figure 9 The schematic diagram of the moving mechanism of the application is shown in the structure.

[0027] Figure 10 The schematic diagram of the moving mechanism of the application is shown in the partial structure.

[0028] Figure 11 The schematic diagram of the fixing mechanism of the application is shown in the structure.

[0029] Figure 12 The schematic diagram of the fixing mechanism of the application is shown in the partial structure.

[0030] Figure 13 The schematic diagram of the unloading mechanism of the application is shown in the structure.

[0031] In the figure, the names and serial numbers of the components are as follows: 1, bottom plate; 2, pull rod; 3, connecting plate; 4, display; 5, socket; 6, detection mechanism; 601, guide plate; 602, guide rod; 603, screw rod; 604, servo motor; 605, guide rail; 606, sliding block; 607, contact ball; 608, first elastic member; 7, connecting mechanism; 701, connector; 702, connecting wire; 703, connecting block; 704, second elastic member; 8, limiting mechanism; 801, limiting plate; 802, nut; 803, rack; 804, gear; 9, moving mechanism; 901, support frame; 902, guide rod; 903, first rotating shaft; 904, contact block; 905, moving frame; 10, fixing mechanism; 1001, fixing plate; 1002, guide sleeve; 1003, limiting block; 1004, third elastic member; 11, unloading mechanism; 1101, second rotating shaft; 1102, push rod. DETAILED DESCRIPTION

[0032] The application will be described in detail below in combination with the drawings and specific examples.

[0033] Example 1

[0034] Please refer to Figures 1-6The utility model provides a kind of touch screen multi-touch point touch performance detection equipment, including bottom plate 1, connecting plate 3, display 4, socket 5, detection mechanism 6 and connecting mechanism 7, connecting plate 3 is welded on the left front side of bottom plate 1, display 4 is fixedly arranged on connecting plate 3, socket 5 is fixedly arranged in the right lower part of display 4, display 4 is connected with socket 5 by wire, detection mechanism 6 is arranged on bottom plate 1, detection mechanism 6 can carry out touch point detection to touch screen, connecting mechanism 7 is arranged on connecting plate 3, and connecting mechanism 7 facilitates the connection between touch screen and display 4.

[0035] Please refer to Figures 3-4 Detection mechanism 6 includes guide plate 601, guide rod 602, screw rod 603, servo motor 604, guide rail 605, sliding block 606, contact ball 607 and first elastic member 608, guide plate 601 is placed on bottom plate 1, guide rod 602 is welded on the top rear side of guide plate 601, screw rod 603 is rotatably arranged on the top front side of guide plate 601, servo motor 604 is fixedly arranged on the right front side of guide plate 601, the output shaft of servo motor 604 is connected with the right end of screw rod 603 by coupling, guide rail 605 is slidably arranged on guide rod 602, guide rail 605 is threadedly connected with screw rod 603, three sliding blocks 606 are evenly and spacedly slidably arranged on guide rail 605, sliding block 606 is slidably connected with guide plate 601, contact ball 607 is slidably arranged on the bottom of sliding block 606, contact ball 607 can contact with touch screen, first elastic member 608 is connected between the lower part of contact ball 607 and the adjacent sliding block 606, and first elastic member 608 is sleeved on sliding block 606.

[0036] Please refer to Figures 5-6 Connecting mechanism 7 includes connector 701, connecting wire 702, connecting block 703 and second elastic member 704, connector 701 is welded on connecting plate 3, connecting wire 702 is fixedly connected on the left side of connector 701 symmetrically, and connecting wire 702 is connected with socket 5, connecting block 703 is slidably arranged on connector 701, connecting block 703 facilitates the connection of touch screen, second elastic member 704 is connected between the inner top of connector 701 and connecting block 703 symmetrically, and second elastic member 704 is sleeved on connecting block 703.

[0037] When the multi-touch performance of the touch screen needs to be detected, the staff places the touch screen on the base plate 1, at this time the touch screen is located below the guide plate 601, the contact ball 607 is in contact with the touch screen, and the first elastic member 608 is compressed, after the touch screen is placed, the staff pulls the connecting block 703 to slide upward, the second elastic member 704 is compressed, then the staff puts the interface of the touch screen into the connector 701, after the interface is put in, the staff releases the connecting block 703, the second elastic member 704 is reset to drive the connecting block 703 to slide downward and reset, then the staff turns on the display 4, under the action of the connecting block 703, the connector 701 and the connecting line 702, the display screen displays the touch points of the touch screen, at this time, the staff starts the servo motor 604 again, the output shaft of the servo motor 604 rotates to drive the lead screw 603 to rotate, the lead screw 603 rotates to drive the guide rail 605 to move rightwards, the guide rail 605 moves rightwards to drive the sliding block 606 to move rightwards, under the action of the guide plate 601, the sliding block 606 moves rightwards while sliding forward and backward, the sliding block 606 moves rightwards to drive the contact ball 607 to move rightwards, under the action of the contact ball 607, the multi-touch performance of the touch screen is detected, the staff judges whether the touch screen is qualified by observing the touch points displayed on the display screen, when the guide rail 605 moves rightwards to the rightmost side, the staff reverses the output shaft of the servo motor 604, the output shaft of the servo motor 604 reverses to drive the lead screw 603 to reverse, the lead screw 603 reverses to drive the guide rail 605 to slide leftwards and reset, the guide rail 605 slides leftwards to drive the sliding block 606 to move leftwards, the contact ball 607 moves leftwards to detect the touch screen again, thereby improving the accuracy of detection, after the detection is completed, the staff turns off the servo motor 604, then the staff pulls the connecting block 703 to slide upward again, the second elastic member 704 is compressed, then the staff takes the interface of the touch screen out of the connector 701, after the interface is taken out, the staff releases the connecting block 703, the second elastic member 704 is reset to drive the connecting block 703 to slide downward and reset, then the staff takes the touch screen whose touch performance is detected to collect, and the staff turns off the display 4 again.

[0038] Example 2

[0039] See Figure 1 , Figure 7 and Figure 8On the basis of embodiment 1, further comprising a limiting mechanism 8 capable of limiting the touch screen, the limiting mechanism 8 comprising a limiting plate 801, a nut 802, a rack 803 and a gear 804, the limiting plate 801 being symmetrically and slidably arranged on the bottom plate 1, the limiting plate 801 being capable of limiting the touch screen, the nut 802 being symmetrically and threadedly arranged on the lower part of the front limiting plate 801, the rack 803 being welded on the middle part of the limiting plate 801, the gear 804 being rotatably arranged on the middle position of the bottom of the bottom plate 1, and the rack 803 and the gear 804 being intermeshed.

[0040] Before placing the touch screen, the staff rotates the nut 802 to loosen the front limiting plate 801, and then pushes the front limiting plate 801 backward according to the size of the touch screen, which drives the front rack 803 to move backward, and drives the gear 804 to rotate, which drives the rear rack 803 to move forward, and drives the rear limiting plate 801 to slide forward. When the limiting plate 801 reaches the appropriate position, the staff reverses the nut 802 to fix the front limiting plate 801, and then places the touch screen, so as to achieve the purpose of limiting the touch screen and preventing displacement of the touch screen during detection. After use, the staff rotates the nut 802 again to loosen the front limiting plate 801, and then pulls the front limiting plate 801 to slide forward to reset, which drives the front rack 803 to move forward to reset, and drives the gear 804 to reverse to reset, which drives the rear rack 803 to move backward to reset, and drives the rear limiting plate 801 to slide backward to reset.

[0041] Please refer to Figure 1 , Figure 9 and Figure 10 , further comprising a moving mechanism 9 facilitating the movement of the bottom plate 1 and the placement of the touch screen by the staff, the moving mechanism 9 comprising a support frame 901, a guide rod 902, a first rotating shaft 903, a contact block 904 and a moving frame 905, the guide rod 902 being symmetrically welded on the support frame 901, the bottom plate 1 being slidably connected with the guide rod 902, the display 4 being slidably connected with the left part of the support frame 901, the first rotating shaft 903 being rotatably arranged on the rear part of the support frame 901, the guide plate 601 being connected with the first rotating shaft 903, the contact block 904 being fixedly arranged on the left and right ends of the first rotating shaft 903, the moving frame 905 being symmetrically welded on the rear side of the bottom of the bottom plate 1, the moving frame 905 being slidably connected with the similar guide rod 902, and the moving frame 905 sliding forward to pull the contact block 904 to rotate upward.

[0042] Please refer to Figure 1 ,Figure 11 And Figure 12 Further comprising a fixing mechanism 10, the fixing mechanism 10 can fix the guide plate 601, the fixing mechanism 10 comprises a fixing plate 1001, a guide sleeve 1002, a limiting block 1003 and a third elastic piece 1004, the fixing plate 1001 is welded at the rear side of the support frame 901, the guide sleeve 1002 is symmetrically and fixedly arranged at the upper part of the fixing plate 1001, the limiting block 1003 is slidably arranged in the guide sleeve 1002, the limiting block 1003 can fix the guide plate 601, the moving frame 905 penetrates into the adjacent limiting block 1003 at the upper part, the third elastic piece 1004 is connected between the limiting block 1003 and the inner part of the adjacent guide sleeve 1002, the third elastic piece 1004 is sleeved on the limiting block 1003, and the third elastic piece 1004 is in a compressed state in an initial state.

[0043] Please refer to Figures 1-2 Further comprising a pull rod 2, the pull rod 2 is fixedly arranged at the front side of the bottom plate 1.

[0044] When the multi-touch performance of the touch screen needs to be detected, the staff pulls the pull rod 2 to drive the bottom plate 1 to slide forward, the bottom plate 1 sliding forward drives the moving frame 905 to slide forward, the moving frame 905 sliding forward extrudes the contact block 904 to drive the first rotating shaft 903 to rotate, the first rotating shaft 903 rotating drives the guide plate 601 to overturn upward, the moving frame 905 continues to slide forward and is separated from the limiting block 1003, the third elastic piece 1004 resets to drive the limiting block 1003 to slide inward, the limiting block 1003 sliding inward limits the guide plate 601, the moving frame 905 continues to move forward and is separated from the contact block 904, then the staff places the touch screen on the bottom plate 1, after the placement is completed, the staff pushes the pull rod 2 to drive the bottom plate 1 to slide backward to reset, the bottom plate 1 sliding backward drives the moving frame 905 to slide backward to reset, the moving frame 905 sliding backward extrudes the limiting block 1003 to slide outward to reset, the third elastic piece 1004 is compressed, the limiting block 1003 sliding outward no longer limits the guide plate 601, the guide plate 601 overturns downward to reset under the action of gravity, the guide plate 601 overturning downward drives the first rotating shaft 903 to reverse to reset, the first rotating shaft 903 reversing drives the limiting block 1003 to reverse to reset, and the staff can push and pull the bottom plate 1 under the action of the pull rod 2.

[0045] Please refer to Figure 1 And Figure 13 Further comprising an unloading mechanism 11, the unloading mechanism 11 facilitates the staff to unload the detected touch screen, the unloading mechanism 11 comprises a second rotating shaft 1101 and a push rod 1102, the second rotating shaft 1101 is rotatably arranged at the front part of the support frame 901, the push rod 1102 is symmetrically and fixedly arranged on the second rotating shaft 1101, and the push rod 1102 can lift the detected touch screen.

[0046] When the touch screen detection is completed, the staff pulls the pull rod 2 again to drive the bottom plate 1 to slide forward, and when the bottom plate 1 moves to a suitable position above the push rod 1102, the staff presses the front of the push rod 1102 to rotate downward, and the second rotating shaft 1101 rotates accordingly. The downward rotation of the push rod 1102 causes the rear to be raised upward, thereby achieving the lifting of the touch screen, thereby facilitating the collection of the staff, and after the collection is completed, the staff pushes the push rod 1102 to rotate upward to reset, and the second rotating shaft 1101 reverses accordingly.

[0047] The skilled in the art should understand that the above embodiments do not limit the present application in any form, and any technical solution obtained by equivalent replacement or equivalent transformation falls within the protection scope of the present application.

Claims

1. A multi-touch performance testing device for a touch screen, comprising a base plate (1), a connecting plate (3), a display (4), and a socket (5), wherein the connecting plate (3) is fixedly disposed on the front left side of the base plate (1), the display (4) is fixedly disposed on the connecting plate (3), and the socket (5) is fixedly disposed on the lower right side of the display (4), and the display (4) and the socket (5) are connected by a wire, characterized in that, It also includes detection mechanism (6) and connecting mechanism (7), the bottom plate (1) is provided with detection mechanism (6) capable of detecting the touch screen, the connecting plate (3) is provided with connecting mechanism (7) for connecting the touch screen and the display (4); The detection mechanism (6) comprises a guide plate (601), a guide rod (602), a lead screw (603), a servo motor (604), a guide rail (605), a sliding block (606), a contact ball (607) and a first elastic member (608), the guide plate (601) is placed on the bottom plate (1), the guide rod (602) is fixedly arranged on the top rear side of the guide plate (601), the lead screw (603) is rotatably arranged on the top front side of the guide plate (601), the servo motor (604) is fixedly arranged on the right front side of the guide plate (601), the output shaft of the servo motor (604) is connected with the right end of the lead screw (603) through a shaft coupling, the guide rail (605) is slidably arranged on the guide rod (602), the guide rail (605) is threadedly connected with the lead screw (603), three sliding blocks (606) are uniformly and interval ly slidably arranged on the guide rail (605), the sliding blocks (606) are slidably connected with the guide plate (601), the contact ball (607) capable of contacting the touch screen is slidably arranged on the bottom of the sliding block (606), the first elastic member (608) is connected between the lower part of the contact ball (607) and the adjacent sliding block (606), and the first elastic member (608) is sleeved on the sliding block (606); The connecting mechanism (7) comprises a connector (701), a connecting line (702), a connecting block (703) and a second elastic member (704), the connector (701) is fixedly arranged on the connecting plate (3), the connecting line (702) is fixedly connected with the connector (701) on the left side and symmetrically arranged front and back, the connecting line (702) is connected with the socket (5), the connecting block (703) for connecting the touch screen is slidably arranged on the connector (701), and the second elastic member (704) is connected between the connecting block (703) and the inner top of the connector (701) and symmetrically arranged front and back, and the second elastic member (704) is sleeved on the connecting block (703).

2. The apparatus of claim 1, wherein the apparatus further comprises a plurality of conductive strips, each of the plurality of conductive strips being electrically connected to a respective one of the plurality of conductive pads. It also includes a limiting mechanism (8) capable of limiting the touch screen, the limiting mechanism (8) comprises a limiting plate (801), a nut (802), a rack (803) and a gear (804), the limiting plate (801) capable of limiting the touch screen is slidably arranged on the bottom plate (1) and symmetrically arranged front and back, the nut (802) is symmetrically and threadedly arranged on the lower part of the limiting plate (801) on the front side, the rack (803) is fixedly arranged on the middle part of the limiting plate (801), and the gear (804) is rotatably arranged on the middle position of the bottom plate (1), the rack (803) and the gear (804) are meshed with each other.

3. A touch screen multi-touch performance testing device according to claim 2, wherein, The mobile mechanism (9) is arranged to facilitate the movement of the bottom plate (1) and the placement of the touch screen by the staff, and comprises a support frame (901), a guide rod (902), a first rotating shaft (903), a contact block (904) and a moving frame (905). The guide rod (902) is symmetrically and fixedly arranged on the support frame (901), and the bottom plate (1) is slidably connected with the guide rod (902). The lower part of the display (4) is slidably connected with the left part of the support frame (901). The first rotating shaft (903) is rotatably arranged at the rear part of the support frame (901), and the guide plate (601) is connected with the first rotating shaft (903). The contact block (904) is fixedly arranged at the left and right ends of the first rotating shaft (903). The moving frame (905) is symmetrically and fixedly arranged at the rear side of the bottom plate (1), and is slidably connected with the adjacent guide rod (902). The moving frame (905) is slid forward to pull the contact block (904) to rotate upward.

4. A touch screen multi-touch performance testing device according to claim 3, wherein, The fixing mechanism (10) is arranged to fix the guide plate (601), and comprises a fixing plate (1001), a guide sleeve (1002), a limiting block (1003) and a third elastic member (1004). The fixing plate (1001) is fixedly arranged at the rear side of the support frame (901). The guide sleeve (1002) is symmetrically and fixedly arranged at the upper part of the fixing plate (1001). The limiting block (1003) is slidably arranged in the guide sleeve (1002) and can fix the guide plate (601). The moving frame (905) penetrates into the adjacent limiting block (1003). The third elastic member (1004) is connected between the limiting block (1003) and the inner part of the adjacent guide sleeve (1002), and is sleeved on the limiting block (1003). The third elastic member (1004) is in a compressed state in the initial state.

5. A touch screen multi-touch performance testing device according to claim 4, wherein, The unloading mechanism (11) is arranged to facilitate the staff to unload the detected touch screen, and comprises a second rotating shaft (1101) and a push rod (1102). The second rotating shaft (1101) is rotatably arranged at the front part of the support frame (901), and the push rod (1102) is symmetrically and fixedly arranged on the second rotating shaft (1101) and can lift the detected touch screen.

6. A touch screen multi-touch performance testing device according to claim 5, wherein, The pull rod (2) is fixedly arranged at the front side of the bottom plate (1).

Images