CN219472507U - Pasting device for screen frame - Google Patents

Abstract

The present disclosure provides a paste device of screen frame, include: a frame; the lifting platform is arranged inside the frame; the correcting structure is used for correcting the positions of the frame of the screen and the screen to be pasted; the frame sucker is arranged on the frame and used for adsorbing the screen frame; the screen sucker is arranged on the lifting platform and is used for adsorbing the screen to be pasted; and the control module is used for controlling the lifting platform to move and controlling the frame sucker to adsorb the screen sucker so as to enable the screen frame to be adhered to the screen to be adhered. The device for pasting the screen frame is high in universality and can improve the pasting efficiency of the screen frame.

Description

Pasting device for screen frame

Technical Field

The disclosure relates to the technical field of screen frame pasting, in particular to a screen frame pasting device.

Background

With rapid development and wide use of the screen frame pasting technology, people use the pasting device of the screen frame to paste the screen frame, and the pasting device of the screen frame is becoming the mainstream of the application of the pasting device of the screen frame. But at the in-process that the screen frame pasted, current screen frame paste device only can paste the screen of waiting to paste with the screen frame pressfitting, can't accomplish the screen frame voluntarily with wait to paste the location of screen, can only carry out the location of screen frame and waiting to paste the screen through the manual work, the time that the screen frame pasted is longer, and then the screen detection efficiency is low, and the commonality of the paste device of screen frame is low. A device for attaching a screen frame that is highly versatile and efficient in attaching a screen frame is more desired.

Therefore, it is a continuing goal to provide a device for attaching a bezel to a screen that has high versatility and high bezel attachment efficiency.

Disclosure of Invention

The present disclosure provides a device for attaching a screen frame, so as to at least solve the above technical problems existing in the prior art.

According to a first aspect of the present disclosure, there is provided an attaching device of a screen frame, the attaching device of a screen frame including: a frame; the lifting platform is arranged inside the frame; the correcting structure is used for correcting the positions of the frame of the screen and the screen to be pasted; the frame sucker is arranged on the frame and used for adsorbing the screen frame; the screen sucker is arranged on the lifting platform and is used for adsorbing the screen to be pasted; and the control module is used for controlling the lifting platform to move and controlling the frame sucker to adsorb the screen sucker so as to enable the screen frame to be adhered to the screen to be adhered.

In one embodiment, the corrective structure includes a screen stop; the screen limiting block is arranged on the frame and located on the outer side of the frame sucker and used for limiting the position of the screen to be pasted.

In an embodiment, the correcting structure further comprises a first frame limiting block, a second frame limiting block, a supporting frame, a supporting plate and an air cylinder; the support frame is arranged on the lifting platform, the second frame limiting block is fixedly connected with the support frame, and the air cylinder is arranged on the support frame; the first frame limiting block is fixedly connected with the supporting plate, and the supporting plate is connected with the air cylinder; the first frame limiting block is arranged on the inner side of the frame sucker, and the second frame limiting block is arranged on the outer side of the frame sucker; the control module is electrically connected with the air cylinder and is used for controlling the air cylinder to move so that the first frame limiting block is close to or far away from the second frame limiting block.

In an embodiment, the height of the frame suction cup is smaller than the height of the screen limiting block.

In an embodiment, the lifting platform drives the first frame limiting block and the second frame limiting block to rise at the maximum height which is smaller than the height of the screen limiting block and larger than the height of the frame sucker.

In an embodiment, the maximum height of the lifting platform driving the screen sucker to rise is smaller than the height of the screen limiting block and larger than the maximum heights of the first frame limiting block and the second frame limiting block.

In an embodiment, the pasting device of the screen frame further comprises a mobile platform, and the screen sucker is connected with the mobile platform; the mobile platform is fixedly connected with the lifting platform; the control module is electrically connected with the mobile platform and used for controlling the mobile platform so as to enable the screen sucker to move or rotate in the horizontal direction.

In an embodiment, the pasting device of the screen frame further comprises an industrial camera, and the rack comprises a positioning hole; the industrial camera is fixedly connected to the lifting platform, and the positioning hole is formed above the industrial camera; the control module is electrically connected with the industrial camera and used for controlling the industrial camera to shoot images through the positioning holes.

In one embodiment, the frame includes a suction cup hole disposed above the screen suction cup.

In one embodiment, the frame further comprises a first stopper hole and a second stopper hole; the first limiting block hole is arranged above the first side frame limiting block; the second limiting block hole is arranged above the second frame limiting block.

The pasting device of the screen frame of the present disclosure includes: a frame; the lifting platform is arranged inside the frame; the correcting structure is used for correcting the positions of the frame of the screen and the screen to be pasted; the frame sucker is arranged on the frame and used for adsorbing the screen frame; the screen sucker is arranged on the lifting platform and is used for adsorbing the screen to be pasted; and the control module is used for controlling the lifting platform to move and controlling the frame sucker to adsorb the screen sucker so as to enable the screen frame to be adhered to the screen to be adhered. The device for pasting the screen frame is high in universality and can improve the pasting efficiency of the screen frame.

It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the disclosure, nor is it intended to be used to limit the scope of the disclosure. Other features of the present disclosure will become apparent from the following specification.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings, in which:

in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.

Fig. 1 is a schematic diagram showing a composition structure of an attaching device of a screen frame according to an embodiment of the present disclosure;

fig. 2 shows a second schematic structural diagram of an adhering device for a screen frame according to an embodiment of the disclosure;

fig. 3 shows a schematic diagram of the composition of the corrective structure of the embodiment of the present disclosure.

The reference numerals in the figures illustrate: 1. a frame; 2. a lifting platform; 3. correcting the structure; 4. a frame sucker; 5. a screen sucker; 6. a control module; 7. a mobile platform; 8. an industrial camera; 11. positioning holes; 12. a suction cup hole; 13. a first stopper hole; 14. a second stopper hole; 31. a screen limiting block; 32. a first frame stopper; 33. the second frame limiting block; 34. a support frame; 35. a support plate; 36. and (3) a cylinder.

Detailed Description

In order to make the objects, features and advantages of the present disclosure more comprehensible, the technical solutions in the embodiments of the present disclosure will be clearly described in conjunction with the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, but not all embodiments. Based on the embodiments in this disclosure, all other embodiments that a person skilled in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.

Referring to fig. 1 and 2, an apparatus for attaching a screen frame according to an embodiment of the present disclosure includes: a frame 1; the lifting platform 2 is arranged in the frame 1; the correcting structure 3 is used for correcting the positions of the frame of the screen and the screen to be pasted; the frame sucker 4 is arranged on the top plate of the frame 1 and is used for sucking the frame of the screen; the screen sucker 5 is arranged on the lifting platform 2 and is used for adsorbing a screen to be pasted; the control module 6 (not shown in the figure) is electrically connected with the lifting platform 2, the frame sucker 4 and the screen sucker 5 respectively, and is used for controlling the lifting platform 2 to move, controlling the frame sucker 4 to adsorb the screen frame and controlling the screen sucker 5 to adsorb the screen to be pasted so as to paste the screen frame and the screen to be pasted.

In some embodiments, the screen to be pasted may include: a Panel (Panel) of an LCD (Liquid Crystal Display ) and a Panel of an OLED (Organic Light Emitting Display, organic light emitting diode display). The screen to be pasted may also include panels of other display screens, embodiments of the present disclosure not being limited. The screen bezel may include: soft bezel (border) of display screen. The frame suction cup 4 may include: pneumatic vacuum chuck. The screen suction cup 5 may also include other suction cups, and embodiments of the present disclosure are not limited. The screen suction cup 5 may include: pneumatic vacuum chuck. The screen suction cup 5 may also include other suction cups, and embodiments of the present disclosure are not limited. Both the frame sucker 4 and the screen sucker 5 can be controlled to be absorbed and released by a PLC (Programmable Logic Controller ). The control module may include: and (3) PLC.

In some embodiments, the orthotic structure 3 may include a screen stop 31, a first bezel stop 32, a second bezel stop 33, a support bracket 34, a support plate 35, and a cylinder 36. The screen limiting block 31 is arranged on the top plate of the frame 1 and positioned on the outer side of the frame sucker 4 and used for limiting the position of a screen to be pasted. The support frame 34 is disposed on the lifting platform 2, the second frame limiting block 33 is fixedly connected with the support frame 34, and the air cylinder 36 is disposed on the support frame 34. The first frame stopper 32 is fixedly connected with a support plate 35, and the support plate 35 is connected with an air cylinder 36. The first frame stopper 32 is disposed on the inner side of the frame suction cup 4, and the second frame stopper 33 is disposed on the outer side of the frame suction cup 4. The control module 6 is electrically connected to the air cylinder 36, and is used for controlling the air cylinder 36 to move so that the first frame limiting block 32 is close to or far from the second frame limiting block 33. The position of the screen limiting block 31 on the top plate of the frame 1 can be adjusted, and the screen limiting block can be fixedly connected with the top plate of the frame 1 through screws after the adjustment is completed. The position of the first frame limiting block 32 on the supporting plate 35 can be adjusted, and the first frame limiting block can be fixedly connected with the supporting plate 35 through screws after adjustment. The position of the second frame limiting block 33 on the supporting frame 34 can be adjusted, and the second frame limiting block can be fixedly connected with the supporting frame 34 through screws after adjustment is completed. The minimum distance between the first frame limiting block 32 and the second frame limiting block 33 is the same as the width of the screen frame, and the width of the screen frame is larger than the width of the frame sucker 4. The elevating platform 2 may include: and a platform lifting cylinder. The control module 6 controls the platform lifting cylinder to drive the lifting platform 2 to ascend or descend.

Referring to fig. 3, the rectification structure 3 according to an embodiment of the present disclosure may include a first frame stopper 32, a second frame stopper 33, a supporting frame 34, a supporting plate 35, and a cylinder 36. The support frame 34 is disposed on the lifting platform 2, the second frame limiting block 33 is fixedly connected with the support frame 34, and the air cylinder 36 is disposed on the support frame 34. The first frame stopper 32 is fixedly connected with a support plate 35, and the support plate 35 is connected with an air cylinder 36. The first frame stopper 32 is disposed on the inner side of the frame suction cup 4, and the second frame stopper 33 is disposed on the outer side of the frame suction cup 4. The control module 6 is electrically connected to the air cylinder 36, and is used for controlling the air cylinder 36 to move so that the first frame limiting block 32 is close to or far from the second frame limiting block 33. The position of the first frame limiting block 32 on the supporting plate 35 can be adjusted, and the first frame limiting block can be fixedly connected with the supporting plate 35 through a screw after the adjustment is completed. The position of the second frame limiting block 33 on the supporting frame 34 can be adjusted, and the second frame limiting block can be fixedly connected with the supporting frame 34 through screws after adjustment is completed. The minimum distance between the first frame limiting block 32 and the second frame limiting block 33 is the same as the width of the screen frame, and the width of the screen frame is larger than the width of the frame sucker 4. The elevating platform 2 may include: and a platform lifting cylinder. The control module 6 controls the platform lifting cylinder to drive the lifting platform 2 to ascend or descend.

In some embodiments, the height of the bezel suction cup 4 is smaller than the height of the screen stopper 31, so that the screen stopper 31 can restrict the position of the screen to be pasted. The lifting platform 2 drives the maximum height of the first frame limiting block 32 and the second frame limiting block 33 to be smaller than the height of the screen limiting block 31 and larger than the height of the frame sucker 4, so that the positions of the screen frames can be limited by the first frame limiting block 32 and the second frame limiting block 33. The lifting platform 2 drives the screen sucker 5 to rise to a maximum height which is smaller than the height of the screen limiting block 31 and larger than the maximum heights of the first frame limiting block 32 and the second frame limiting block 33, so that the screen limiting block 31 can limit the position of the screen to be pasted.

In some embodiments, the pasting device of the screen frame may further include a mobile platform 7, and the screen sucker 5 is connected with the mobile platform 7; the movable platform 7 is fixedly connected with the lifting platform 2; the control module 6 is electrically connected with the mobile platform 7, and is used for controlling the mobile platform 7 to enable the screen sucker 5 to move or rotate in the horizontal direction. The pasting device of the screen frame also comprises an industrial camera 8, and the frame 1 comprises a positioning hole 11; the industrial camera 8 is fixedly connected to the lifting platform 2, and the positioning hole 11 is arranged above the industrial camera 8; the control module 6 is electrically connected with the industrial camera 8 and is used for controlling the industrial camera 8 to shoot images through the positioning holes 11. The moving platform 7 may include a moving servo motor and a rotating servo motor. The control module 6 may move the screen suction cup 5 in the horizontal direction by controlling the movement servo motor. The control module 6 may rotate the screen suction cup 5 in the horizontal direction by controlling the rotary servo motor. The center of the lens of the industrial camera 8 is located on the same straight line as the center of the positioning hole 11. The control module 6 controls the industrial camera 8 to shoot images of the screen frame and the screen to be pasted through the positioning holes 11 so as to determine corner position coordinates of the screen frame and corner position coordinates of the screen to be pasted.

In some embodiments, the housing 1 includes a suction cup aperture 12, the suction cup aperture 12 being disposed above the screen suction cup 5. The frame 1 further comprises a first stopper hole 13 and a second stopper hole 14; the first limiting block hole 13 is arranged above the first frame limiting block 32; the second stopper hole 14 is disposed above the second frame stopper 33. The sucker hole 12 is arranged on the top plate of the frame 1 and is positioned right above the screen sucker 5. The first stopper hole 13 and the second stopper hole 14 are provided on the top plate of the frame 1, the first stopper hole 13 is located right above the first frame stopper 32, and the second stopper hole 14 is located right above the second frame stopper 33.

In some embodiments, the pasting procedure of the screen frame of the pasting device of the screen frame may include: firstly, the pasting device of the screen frame is debugged, the position of the second frame limiting block 33 on the supporting frame 34 is adjusted according to the size drawing of the screen frame, the second frame limiting block 33 is fixedly connected with the supporting frame 34 through a screw after adjustment is completed, the position of the first frame limiting block 32 on the supporting plate 35 is adjusted again, so that the minimum distance between the first frame limiting block 32 and the second frame limiting block 33 is equal to the width of the screen frame, the width of the frame sucker 4 is smaller than the width of the screen frame, and the first frame limiting block 32 is fixedly connected with the supporting plate 35 through the screw after adjustment is completed. According to the size drawing of the screen to be pasted, the position of the screen limiting block 31 on the frame 1 is adjusted. After the adjustment is completed, the screen limiting block 31 is fixedly connected with the frame 1 through a screw.

First, the screen frame of the release film is torn off and placed on the frame sucker 4. The control module 6 controls the cylinders 36 corresponding to the three sides of the screen frame to drive the first frame limiting block 32 to approach the second frame limiting block 33, clamps and corrects the deformed screen frame, and after correction, the control module 6 controls the frame sucker 4 to adsorb the screen frame, controls the cylinders 36 to reset, and thus the correction action of the screen frame is completed.

And secondly, the control module 6 controls the industrial camera 8 to shoot four corners of the screen frame so as to confirm the corner position coordinates of the screen frame, further confirm the transverse axis and the longitudinal axis of the screen frame and position the screen frame in coordinates.

And thirdly, placing the screen to be pasted on the screen sucker 5 according to the position of the screen limiting block 31, and controlling the screen sucker 5 to adsorb the screen to be pasted by the control module 6.

Fourth, the control module 6 controls the industrial camera 8 to shoot four corners of the screen to be pasted so as to confirm the corner position coordinates of the screen to be pasted, and further confirm the transverse axis and the longitudinal axis of the screen to be pasted, and coordinate positioning the screen to be pasted. And calculating the center coordinates of the screen to be pasted and the center coordinates of the frame of the screen. And determining the center distance between the center coordinates of the screen to be pasted and the center coordinates of the frame of the screen. The control module 6 controls the mobile platform 7 to perform horizontal axis position adjustment, vertical axis position adjustment and angle adjustment on the position of the screen to be pasted based on the center distance, the horizontal axis and the vertical axis of the screen to be pasted and the horizontal axis and the vertical axis of the screen frame, so that four corners of the screen to be pasted are right opposite to the four corners of the screen frame.

And fifthly, the control module 6 controls the lifting platform 2 to descend so that the screen to be pasted moves downwards to be adhered with the frame of the screen.

And sixthly, the control module 6 controls the screen sucker 5 and the frame sucker 4 to be disconnected and loosened, and takes out the pasted screen, so as to finish the pasting process of the frame of the screen.

In the pasting device of the screen frame in the embodiment of the disclosure, the correcting structure 3 comprises a screen limiting block 31; the screen limiting block 31 is arranged on the frame 1 and located on the outer side of the frame sucker 4 and used for limiting the position of a screen to be pasted. The correcting structure 3 further comprises a first frame limiting block 32, a second frame limiting block 33, a supporting frame 34, a supporting plate 35 and a cylinder 36; the support frame 34 is arranged on the lifting platform 2, the second frame limiting block 32 is fixedly connected with the support frame 34, and the air cylinder 36 is arranged on the support frame 34; the first frame limiting block 32 is fixedly connected with a supporting plate 35, and the supporting plate 35 is connected with an air cylinder 36; the first frame limiting block 32 is arranged on the inner side of the frame sucker 4, and the second frame limiting block 33 is arranged on the outer side of the frame sucker 4; the control module 6 is electrically connected to the air cylinder 36, and is used for controlling the air cylinder 36 to move so that the first frame limiting block 32 is close to or far from the second frame limiting block 33. Therefore, the positions of the screen frame and the screen to be pasted can be automatically corrected, the pasting precision of the screen frame is improved, the pasting time of the screen frame is reduced, and the pasting efficiency of the screen frame is improved. In the pasting device for the screen frame in the embodiment of the disclosure, the height of the frame sucker 4 is smaller than that of the screen limiting block 31. The lifting platform 2 drives the first frame limiting block 32 and the second frame limiting block 33 to rise to a maximum height which is smaller than the height of the screen limiting block 31 and larger than the height of the frame sucker 4. The maximum height of the lifting platform 2 driving the screen sucker 5 to rise is smaller than the height of the screen limiting block 31 and larger than the maximum height of the first frame limiting block 32 and the second frame limiting block 33. Therefore, the screen frame and the position of the screen to be pasted can be automatically corrected, and professional staff is not required to correct the screen frame and the position of the screen to be pasted, so that the pasting precision of the screen frame is improved, the labor cost is reduced, the time for pasting the screen frame is reduced, and the pasting efficiency of the screen frame is improved. The device for pasting the screen frame in the embodiment of the disclosure further comprises a mobile platform 7, wherein the screen sucker 5 is connected with the mobile platform 7; the movable platform 7 is fixedly connected with the lifting platform 2; the control module 6 is electrically connected with the mobile platform 7 and is used for controlling the mobile platform 7 so as to enable the screen sucker to move or rotate in the horizontal direction. The pasting device of the screen frame also comprises an industrial camera 8, and the frame 1 comprises a positioning hole 11; the industrial camera 8 is fixedly connected to the lifting platform 2, and the positioning hole 11 is arranged above the industrial camera 8; the control module 6 is electrically connected with the industrial camera 8 and is used for controlling the industrial camera 8 to shoot images through the positioning holes 11. Therefore, the pasting device of the screen frame can be suitable for pasting various different screen frames and the screen frame of the screen, and the universality of the pasting device of the screen frame is improved. In the pasting device for the screen frame in the embodiment of the disclosure, the frame 1 comprises a sucker hole 12, and the sucker hole 12 is arranged above the screen sucker 5. The frame 1 further comprises a first stopper hole 13 and a second stopper hole 14; the first limiting block hole 13 is arranged above the first frame limiting block 32; the second stopper hole 14 is disposed above the second frame stopper 33. Therefore, the positions of the screen frame and the screen to be pasted can be automatically corrected, the pasting precision of the screen frame is improved, the pasting time of the screen frame is reduced, and the pasting efficiency of the screen frame is improved.

It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present disclosure may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solutions disclosed in the present application are achieved, and are not limited herein.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present disclosure, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a paste device of screen frame which characterized in that, paste device of screen frame includes:

a frame (1);

the lifting platform (2) is arranged inside the frame (1);

the correcting structure (3) is used for correcting the positions of the frame of the screen and the screen to be pasted;

the frame sucker (4) is arranged on the frame (1) and used for adsorbing the screen frame;

the screen sucker (5) is arranged on the lifting platform (2) and is used for adsorbing the screen to be pasted;

and the control module (6) is used for controlling the lifting platform (2) to move and controlling the frame sucker (4) and the screen sucker (5) to adsorb so as to enable the screen frame to be adhered to the screen to be adhered.

2. The device for pasting a screen frame according to claim 1, wherein the correction structure (3) comprises a screen stopper (31);

the screen limiting block (31) is arranged on the frame (1) and located on the outer side of the frame sucker (4) and used for limiting the position of the screen to be pasted.

3. The device for pasting a screen frame according to claim 1, wherein the correction structure (3) further comprises a first frame stopper (32), a second frame stopper (33), a supporting frame (34), a supporting plate (35) and a cylinder (36);

the support frame (34) is arranged on the lifting platform (2), the second frame limiting block (33) is fixedly connected with the support frame (34), and the air cylinder (36) is arranged on the support frame (34);

the first frame limiting block (32) is fixedly connected with the supporting plate (35), and the supporting plate (35) is connected with the air cylinder (36);

the first frame limiting block (32) is arranged on the inner side of the frame sucker (4), and the second frame limiting block (33) is arranged on the outer side of the frame sucker (4);

the control module (6) is electrically connected with the air cylinder (36) and is used for controlling the air cylinder (36) to move so that the first frame limiting block (32) is close to or far away from the second frame limiting block (33).

4. The apparatus for attaching a bezel to a screen as defined in claim 2, wherein the bezel suction cup (4) has a height smaller than that of the screen stopper (31).

5. A device for attaching a screen frame according to claim 3, wherein the maximum height of the lifting platform (2) driving the first frame stopper (32) and the second frame stopper (33) to rise is smaller than the height of the screen stopper (31) and larger than the height of the frame suction cup (4).

6. The device for pasting the screen frame according to claim 5, wherein the maximum height of the lifting platform (2) driving the screen sucker (5) to rise is smaller than the height of the screen limiting block (31) and larger than the maximum heights of the first frame limiting block (32) and the second frame limiting block (33).

7. The device for pasting the screen frame according to claim 1, further comprising a mobile platform (7), wherein the screen sucker (5) is connected with the mobile platform (7);

the movable platform (7) is fixedly connected with the lifting platform (2);

the control module (6) is electrically connected with the mobile platform (7) and is used for controlling the mobile platform (7) so as to enable the screen sucker (5) to move or rotate in the horizontal direction.

8. The device for pasting a screen frame according to claim 1, wherein the device for pasting a screen frame further comprises an industrial camera (8), and the frame (1) comprises a positioning hole (11);

the industrial camera (8) is fixedly connected to the lifting platform (2), and the positioning hole (11) is formed above the industrial camera (8);

the control module (6) is electrically connected with the industrial camera (8) and is used for controlling the industrial camera (8) to shoot images through the positioning holes (11).

9. The device for pasting a screen frame according to claim 1, wherein the frame (1) comprises a suction cup hole (12), and the suction cup hole (12) is arranged above the screen suction cup (5).

10. A device for attaching a screen bezel as claimed in claim 3, wherein said frame (1) further comprises a first stopper hole (13) and a second stopper hole (14);

the first limiting block hole (13) is arranged above the first side frame limiting block (32);

the second limiting block hole (14) is arranged above the second frame limiting block (33).