Display screen press mold

Abstract

This utility model discloses a display screen pressing mold, including an upper mold body and a lower mold body. The bottom of both the upper and lower mold bodies are detachably equipped with assembly components. Each of the upper and lower assembly components has a pressing punch and a pressing cavity on its opposite end faces. The pressing punch and the pressing cavity are vertically slidingly fitted together. The advantages are: This utility model has detachable assembly components on the bottom of both the upper and lower mold bodies, and the upper and lower assembly components have pressing punches and pressing cavities on their opposite end faces. By sequentially positioning the electronic device and the screen into the pressing cavity, and then using the upper mold body to drive the pressing punch to descend in a controlled stroke manner, the screen can be pressed onto the top of the electronic device. The screen pressing method is simple and easy to implement, facilitating efficient and stable screen pressing.

Description

Technical Field

[0001] This utility model relates to the field of auxiliary components for display screen assembly, specifically to display screen pressing molds. Background Technology

[0002] In the manufacturing and assembly of electronic devices with screens, such as mobile phones, a screen pressing process is required to ensure a perfect fit between the screen and the frame. Existing technologies commonly used screen pressing techniques include manual pressing and pneumatic pressing.

[0003] Specifically, in the pneumatic pressing process, the existing pressing molds are designed with fixed specifications for the punches and cavities. This means that they can only be used for pressing screens of a single specification, resulting in poor applicability. In addition, the pressing stroke of the mold during the pressing process is usually controlled by the driving distance of the push rod. Due to the lack of stable safety limits, screen pressing damage can easily occur, which will increase the product defect rate. Utility Model Content

[0004] The purpose of this utility model is to provide a display screen pressing mold to solve the above problems, as detailed below.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] The display screen pressing mold provided by this utility model includes an upper mold body and a lower mold body. The bottom of the upper mold body and the bottom of the lower mold body can be detachably assembled with disassembly and assembly components. The end faces of the disassembly and assembly components at the upper and lower positions are respectively provided with pressing punches and pressing cavities. The pressing punches and pressing cavities are vertically slidingly fitted.

[0007] The upper mold body and the lower mold body are equipped with pressure stroke limiting components at their four corner positions. These components are used to accurately guide and correct the mold closing alignment of the upper mold body and the lower mold body, and to provide stable and reliable safety limits for the downward pressure stroke of the upper mold body.

[0008] Preferably, a drive push rod capable of reciprocating up and down the upper mold body is installed at the center of the top surface of the upper mold body.

[0009] Preferably, each of the disassembly and assembly components includes a mating plate and a mating groove. The mating plates at the upper and lower positions have a pressing punch and a pressing cavity respectively on their opposite end faces. The pressing punch is fixedly disposed on the bottom surface of the upper mating plate, and the pressing cavity is opened on the top surface of the lower mating plate. The front and rear end faces of the mating plates at the upper and lower positions are provided with locking holes along the longitudinal direction. The opposite end faces of the upper mold body and the lower mold body are provided with the mating groove vertically. The mating plates are placed in the corresponding mating grooves in a vertical sliding fit. The front and rear end faces of the upper mold body and the lower mold body are provided with mounting holes along the longitudinal direction. The mounting holes are all through holes and are coaxially aligned with the corresponding locking holes. Each set of coaxially aligned mounting holes and locking holes is coaxially inserted with a locking stud along the longitudinal direction.

[0010] Preferably, the horizontal cross-sectional shape of both the mating plate and the mating groove is rectangular.

[0011] Preferably, the mating grooves are all blind grooves in the vertical direction, and the outer end face of the mating plate is flush with the outer end of the corresponding mating groove.

[0012] Preferably, all mounting holes are threaded through holes, all locking holes are threaded blind holes, and all locking studs pass through the mounting holes and locking holes in sequence with thread engagement.

[0013] Preferably, the outer ends of the locking studs are all coaxially provided with hexagonal force-applying grooves.

[0014] Preferably, the pressure stroke limiting component includes guide pillars, guide holes, and a cylinder body. The guide pillars are vertically fixed at the four corners of the top surface of the lower mold body, and the guide holes are vertically opened at the four corners of the upper mold body. The guide pillars and guide holes are vertically coaxial and have a coaxial sliding fit. A rectangular frame is provided above the upper mold body. Limiting pillars are vertically fixed at the four corners of the bottom surface of the fixed frame. The limiting pillars and guide holes are vertically coaxial and have a coaxial sliding fit. An L-shaped mounting bracket is invertedly fixed to the top surface of the upper mold body at the inner position on both sides of the fixed frame. The cylinder body is vertically fixed to the top surface of the L-shaped mounting bracket, and the cylinder body is suspended above the corresponding side of the fixed frame. The pneumatic push rods at the bottom of the cylinder body pass through the L-shaped mounting bracket in a vertical sliding fit, and the bottom end of the pneumatic push rod is fixedly installed on the top surface of the corresponding side of the fixed frame.

[0015] Preferably, all guide holes are through holes, and the axial dimension of the limiting post is not less than the axial dimension of the guide hole.

[0016] Preferably, the cylinder bodies on both sides are synchronous cylinders, and when the fixed frame descends to contact the top surface of the upper mold body, the pneumatic push rod of the cylinder body does not extend to its maximum stroke.

[0017] Using the aforementioned display screen pressing mold, specifically in the process of pressing the display screen, since the disassembly and assembly assembly can be detachably assembled at the bottom of both the upper and lower mold bodies, and the pressing punch and pressing cavity are respectively provided on the opposite end faces of the disassembly and assembly assembly at the upper and lower positions, the screen can be pressed onto the top of the electronic device by sequentially positioning the electronic device and the screen into the pressing cavity, and then the upper mold body drives the pressing punch to descend in a certain stroke manner. The screen pressing method is simple and easy to implement, facilitating efficient and stable screen pressing. Furthermore, due to the mating plate and mating groove of the disassembly and assembly assembly... The vertical sliding fit and the locking stud passing longitudinally through the mounting hole and coaxially engaging with the locking hole allow the mating plates to be detachably assembled at the bottom of the upper mold body and the top of the lower mold body. This assembly method is simple and easy to implement, facilitating the quick assembly of the mating plates at the bottom of the upper mold body and the top of the lower mold body before setting up the pressing punch and the pressing cavity. Furthermore, the mating plates can be detached from the bottom of the upper mold body and the top of the lower mold body simply by sequentially disengaging the locking stud longitudinally from the locking hole and the mounting hole. The method of separating the bottom of the upper mold body and the top of the lower mold body is simple and easy to implement. This facilitates the quick and easy removal of the mating plates from the bottom of the upper mold body and the top of the lower mold body for maintenance. Furthermore, by replacing the mating plates, it is possible to interchange and combine pressing punches and pressing cavities of different sizes and specifications at the bottom of the upper mold body and the bottom of the lower mold body, respectively. This allows for easy design adaptation to screen specifications and selection of pressing punches and pressing cavities of the appropriate size, improving the usability of the upper and lower mold bodies. Additionally, the four corners of the upper and lower mold bodies are equipped with guiding functions. The pressure stroke limiting component firstly guides and corrects the alignment of the upper mold body and the lower mold body by sliding the guide post coaxially along the guide hole. Simultaneously, by using the pneumatic push rod to drive the limiting post to rise and fall vertically along the guide hole, the position height of the bottom end of the limiting post within the guide hole can be adjusted. Thus, by having the top end of the guide post abut against the bottom end of the limiting post, the downward pressure stroke of the upper mold body can be stably and reliably limited. In combination with the quantitative control of the downward distance of the upper mold body by the drive push rod, a dual guarantee is achieved for the control of the downward distance of the upper mold body, avoiding accidental damage to the screen.

[0018] The beneficial effects are as follows: 1. The present invention has detachable assembly components at the bottom of both the upper mold body and the lower mold body. At the same time, the end faces of the detachable assembly components at the upper and lower positions are respectively provided with pressing punches and pressing cavities. Then, by sequentially positioning the electronic device and the screen into the pressing cavity, the upper mold body drives the pressing punch to determine the stroke descent, which can realize the pressing operation of the screen on the top of the electronic device. The pressing method of the screen is simple and easy to implement, and it is convenient to make the screen be pressed efficiently and stably.

[0019] 2. By vertically sliding the mating plate and mating groove of the assembly components and locking studs passing through the mounting holes longitudinally and coaxially engaging with the locking holes, the mating plates can be detachably assembled at the bottom of the upper mold body and the top of the lower mold body. The assembly method of the mating plates at the bottom of the upper mold body and the top of the lower mold body is simple and easy to implement, which facilitates the quick assembly of the mating plates at the bottom of the upper mold body and the top of the lower mold body for setting up the pressing punch and pressing cavity.

[0020] 3. After the locking studs are disengaged longitudinally from the locking holes and mounting holes, the mating plates can be removed from the bottom of the upper mold body and the top of the lower mold body respectively. The method of separating the mating plates at the bottom of the upper mold body and the top of the lower mold body is simple and easy to implement. This facilitates the quick removal of the mating plates from the bottom of the upper mold body and the top of the lower mold body for maintenance. At the same time, by replacing the mating plates, it is also possible to replace and combine pressing punches and pressing cavities of different sizes and specifications at the bottom of the upper mold body and the bottom of the lower mold body respectively. This makes it convenient to adapt the design according to the screen specifications and select pressing punches and pressing cavities of the appropriate size and specifications for use, thereby improving the applicability of the upper mold body and the lower mold body.

[0021] 4. A pressure stroke limiting component with guiding function is set at the four corners of the upper mold body and the lower mold body. First, by sliding the guide post coaxially along the guide hole, the mold closing alignment of the upper mold body and the lower mold body can be accurately guided and corrected. At the same time, by using the pneumatic push rod to drive the limit post to rise and fall vertically along the guide hole, the position height of the bottom end of the limit post in the guide hole can be adjusted. Thus, by using the top end of the guide post to abut the bottom end of the limit post, the downward pressure stroke of the upper mold body can be stably and reliably limited. In combination with the quantitative control of the downward distance of the upper mold body by the drive push rod, a double guarantee of the downward distance control of the upper mold body is achieved, avoiding accidental damage to the screen. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is an overall isometric schematic diagram of this utility model. Figure 1 ;

[0024] Figure 2 This is an overall isometric schematic diagram of this utility model. Figure 2 ;

[0025] Figure 3 This is a utility model Figure 1 Cross-section diagram Figure 1 ;

[0026] Figure 4 This is a utility model Figure 1 Enlarged view of a portion at point A;

[0027] Figure 5 This is a utility model Figure 1 Cross-section diagram Figure 2 ;

[0028] Figure 6 This is a utility model Figure 1 Cross-section diagram Figure 3 ;

[0029] Figure 7 This is a utility model Figure 1 Front view diagram;

[0030] Figure 8 This is a utility model Figure 1 A left-view diagram;

[0031] Figure 9 This is a utility model Figure 1 A top-down view.

[0032] The annotations in the attached figures are explained as follows:

[0033] 1. Drive push rod; 2. Upper mold body; 3. Lower mold body; 4. Stroke limiting assembly; 401. Cylinder body; 402. L-shaped mounting bracket; 403. Fixing frame; 404. Limiting post; 405. Guide hole; 406. Guide post; 407. Pneumatic push rod; 5. Assembly and disassembly assembly; 501. Mating groove; 502. Mating plate; 503. Mounting hole; 504. Force application groove; 505. Locking stud; 506. Locking hole; 6. Pressing punch; 7. Pressing cavity. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0035] See Figures 1-9 As shown, this utility model provides a display screen pressing mold, including an upper mold body 2 and a lower mold body. The bottom of both the upper mold body 2 and the bottom of the lower mold body are detachably assembled with disassembly and assembly components 5. The opposing end faces of the disassembly and assembly components 5 at the upper and lower positions are respectively provided with pressing punches 6 and pressing cavities 7. The pressing punches 6 and pressing cavities 7 are vertically slidingly fitted. Specifically, each disassembly and assembly component 5 includes a mating plate 502 and a mating groove 501. The opposing end faces of the mating plates 502 at the upper and lower positions are respectively provided with pressing punches 6 and pressing cavities 7. The pressing punch 6 is fixedly disposed on the bottom surface of the upper mating plate 502, and the pressing cavity 7 is opened on the top surface of the lower mating plate 502. Locking holes 506 are longitudinally opened on the front and rear end faces of the mating plates 502 at both the upper and lower positions. The opposing end faces of the upper mold body 2 and the lower mold body are vertically opened with mating grooves 501, and the mating plates 502 are vertically slidingly fitted. The upper mold body 2 and the lower mold body 5 are both provided with mounting holes 503 along the longitudinal direction on the front and rear end faces. The mounting holes 503 are all through holes and are coaxially aligned with the corresponding locking holes 506. Each set of coaxially aligned mounting holes 503 and locking holes 506 is fitted with locking studs 505 along the longitudinal direction. The purpose of this arrangement is that by vertically sliding the mounting plate 502 of the assembly 5 with the mounting groove 501 and by having the locking studs 505 pass through the mounting holes 503 and coaxially align with the locking holes 506, the mounting plate 502 can be detachably assembled at the bottom of the upper mold body 2 and the top of the lower mold body. At the same time, the mounting plate 502 can be detached from the bottom of the upper mold body 2 and the top of the lower mold body by simply disassembling the locking studs 505 and sequentially disengaging them from the locking holes 506 and the mounting holes 503. The assembly and disassembly of the mounting plate 502 at the bottom of the upper mold body 2 and the top of the lower mold body is simple and easy to implement.

[0036] See Figures 1-9As shown, pressure stroke limiting components 4 with guiding functions are combined at the four corners of the upper mold body 2 and the lower mold body. These components are used to accurately guide and correct the mold closing alignment of the upper mold body 2 and the lower mold body, and simultaneously provide stable and reliable safety limits for the downward pressure stroke of the upper mold body 2. Specifically, the pressure stroke limiting component 4 includes guide posts 406, guide holes 405, and cylinder bodies 401. Guide posts 406 are vertically fixed at the four corners of the top surface of the lower mold body, and guide holes 405 are also provided at the four corners of the upper mold body 2. A guide hole 405 is vertically provided. A guide post 406 and the guide hole 405 are vertically coaxially aligned and have a coaxial sliding fit. A rectangular frame 403 is provided above the upper mold body 2. Limiting posts 404 are vertically fixed at the four corners of the bottom surface of the fixing frame 403. The limiting posts 404 and the guide hole 405 are vertically coaxially aligned and have a coaxial sliding fit. L-shaped mounting brackets 402 are invertedly fixed on the top surface of the upper mold body 2, inside the fixing frame 403 on both sides. The top surface of the frame 402 is vertically fixed with cylinder bodies 401, and the cylinder bodies 401 are all suspended above the corresponding side of the fixed frame 403. The pneumatic push rods 407 at the bottom of the cylinder bodies 401 all pass through the L-shaped mounting bracket 402 in a vertical sliding engagement manner, and the bottom ends of the pneumatic push rods 407 are all fixedly installed on the top surface of the corresponding side of the fixed frame 403. The purpose of this arrangement is that, firstly, by using the guide post 406 to slide coaxially along the guide hole 405, the mold closing alignment of the upper mold body 2 and the lower mold body can be performed. The system provides accurate guidance and correction. Simultaneously, by using the pneumatic push rod 407 to drive the limiting post 404 to rise and fall vertically along the guide hole 405, the position and height of the bottom end of the limiting post 404 within the guide hole 405 can be adjusted. Thus, by using the top end of the guide post 406 to abut against the bottom end of the limiting post 404, the descent stroke of the upper mold body 2 can be stably and reliably limited. In this way, combined with the quantitative control of the descent distance of the upper mold body 2 by the drive push rod 1, a dual guarantee for the control of the descent distance of the upper mold body 2 is achieved.

[0037] See Figures 1-6As shown, the following optimizations have been made to this application. Specifically, a drive push rod 1 capable of reciprocating and raising the upper mold body 2 is assembled and installed in the middle of the top surface of the upper mold body 2. Preferably, the drive push rod 1 can accurately and quantitatively control the downward and upward strokes, so that the upper mold body 2 can complete the reciprocating and raising action by means of the drive push rod 1. Optionally, the horizontal cross-sectional shape of the mating plate 502 and the mating groove 501 are both rectangular, so that the mating plate 502 has a good guiding design when sliding vertically along the mating groove 501. Furthermore, the mating groove 501 is a blind groove in the vertical direction. Preferably, when the inner end face of the mating plate 502 contacts the bottom of the mating groove 501, the outer end face of the mating plate 502 is flush with the outer end of the corresponding mating groove 501. This setting makes it easy for the mating plate 502 to have a clear indication when it is assembled with the mating groove 501, and also makes it easy to clearly indicate that the locking hole 506 and the mounting hole 503 are coaxially aligned by means of the inner end face of the mating plate 502 contacting the bottom of the mating groove 501.

[0038] See Figures 1-9 As shown, the mounting holes 503 are all threaded through holes, and the locking holes 506 are all threaded blind holes. The locking studs 505 pass sequentially through the mounting holes 503 and the locking holes 506 with a threaded engagement, facilitating quick assembly and disassembly of the locking studs 505 with the mounting holes 503 and the locking holes 506 by tightening. Optionally, each locking stud 505 has a coaxial hexagonal force groove 504 on its outer end, allowing for easy tightening and loosening with an external hexagonal wrench. Furthermore, the guide holes 405 are all through holes, and the axial dimension of the limiting post 404 is not less than the axial dimension of the guide hole 405. This design ensures that the limiting post 404 has sufficient length to adjust the insertion depth when sliding vertically along the guide hole 405. Furthermore, the cylinder bodies 401 on both sides are synchronous cylinders, and when the fixed frame 403 descends to contact the top surface of the upper mold body 2, the pneumatic push rod 407 of the cylinder body 401 does not extend to the maximum stroke. This setting facilitates the cylinder body 401 to synchronously drive the fixed frame 403 to complete the lifting and lowering adjustment action, and also facilitates the cylinder body 401 to have the maximum extension stroke that meets the usage requirements.

[0039] Using the above structure, specifically in the process of screen pressing, since the bottom of the upper mold body 2 and the bottom of the lower mold body can be detachably assembled with the disassembly and assembly assembly 5, and the opposite end faces of the upper and lower disassembly and assembly assembly 5 are respectively provided with pressing punches 6 and pressing cavities 7, the screen can be pressed on the top of the electronic device by sequentially positioning the electronic device and the screen into the pressing cavity 7, and then the upper mold body 2 drives the pressing punch 6 to descend in a certain stroke manner. The screen pressing method is simple and easy to implement, and it is convenient to press the screen efficiently and stably. Furthermore, the vertical sliding engagement between the mating plate 502 and the mating groove 501 of the disassembly and assembly assembly 5 is achieved. The locking stud 505 passes longitudinally through the mounting hole 503 and is coaxially engaged with the locking hole 506, allowing the mating plate 502 to be detachably assembled on the bottom of the upper mold body 2 and the top of the lower mold body. This assembly method of the mating plate 502 on the bottom of the upper mold body 2 and the top of the lower mold body is simple and easy to implement, facilitating the quick assembly of the mating plate 502 on the bottom of the upper mold body 2 and the top of the lower mold body for setting up the pressing punch 6 and the pressing cavity 7. Furthermore, the mating plate 502 can be detached from the bottom of the upper mold body 2 and the top of the lower mold body simply by sequentially disengaging the locking stud 505 longitudinally from the locking hole 506 and the mounting hole 503. The disassembly method of the bottom of the upper mold body 2 and the top of the lower mold body is simple and easy to implement. This facilitates the quick removal of the mating plate 502 from the bottom of the upper mold body 2 and the top of the lower mold body for maintenance. Furthermore, by replacing the mating plate 502, it is possible to replace and combine pressing punches 6 and pressing cavities 7 of different sizes and specifications at the bottom of the upper mold body 2 and the bottom of the lower mold body, respectively. This allows for design adaptation according to screen specifications and selection of pressing punches 6 and pressing cavities 7 that meet the required size specifications, improving the applicability of the upper mold body 2 and the lower mold body. Additionally, because pressure stroke limiting components 4 with guiding functions are combined and installed at the four corners of the upper mold body 2 and the lower mold body, ... Firstly, by using the guide post 406 to slide coaxially along the guide hole 405, the mold closing alignment of the upper mold body 2 and the lower mold body can be accurately guided and corrected. At the same time, by using the pneumatic push rod 407 to drive the limiting post 404 to rise and fall vertically along the guide hole 405, the position height of the bottom end of the limiting post 404 within the guide hole 405 can be adjusted. Thus, by using the top end of the guide post 406 to abut the bottom end of the limiting post 404, the downward pressure stroke of the upper mold body 2 can be stably and reliably limited. In this way, combined with the quantitative control of the downward distance of the upper mold body 2 by the drive push rod 1, a double guarantee for the control of the downward distance of the upper mold body 2 is achieved, avoiding the situation of accidental damage to the screen.

[0040] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A display screen pressing mold, comprising an upper mold body (2) and a lower mold body, characterized in that: The bottom of the upper mold body (2) and the bottom of the lower mold body can be detachably assembled with disassembly and assembly components (5), and the end faces of the disassembly and assembly components (5) at the upper and lower positions are respectively provided with pressing punches (6) and pressing cavities (7). The pressing punches (6) and pressing cavities (7) are aligned vertically and have a sliding fit. The upper mold body (2) and the lower mold body are equipped with pressure stroke limiting components (4) with guiding function at the four corners. The pressure stroke limiting components (4) are used to accurately guide and correct the mold closing alignment of the upper mold body (2) and the lower mold body, and at the same time, to provide stable and reliable safety limit for the downward pressure stroke of the upper mold body (2).

2. The display screen pressing mold according to claim 1, characterized in that: The upper mold body (2) is equipped with a drive push rod (1) that can drive the upper mold body (2) to reciprocate up and down.

3. The display screen pressing mold according to claim 1 or 2, characterized in that: Each of the disassembly and assembly components (5) includes a mating plate (502) and a mating groove (501). The mating plates (502) at the upper and lower positions have a pressing punch (6) and a pressing cavity (7) respectively on their opposite end faces. The pressing punch (6) is fixedly arranged on the bottom surface of the upper mating plate (502), and the pressing cavity (7) is opened on the top surface of the lower mating plate (502). The front and rear end faces of the mating plates (502) at the upper and lower positions are provided with locking holes (506) along the longitudinal direction. The upper mold body (2) and The lower mold body has vertically formed mating grooves (501) on its opposite end faces, and the mating plates (502) are placed in the corresponding mating grooves (501) in a vertical sliding fit. The front and rear end faces of the upper mold body (2) and the lower mold body have longitudinally formed mounting holes (503). The mounting holes (503) are all through holes and are coaxially aligned with the corresponding locking holes (506). Each set of coaxially aligned mounting holes (503) and locking holes (506) is coaxially aligned with a locking stud (505) inserted into it.

4. The display screen pressing mold according to claim 3, characterized in that: The horizontal cross-sectional shape of both the mating plate (502) and the mating groove (501) is rectangular.

5. The display screen pressing mold according to claim 4, characterized in that: The mating grooves (501) are all blind grooves in the vertical direction, and the outer end faces of the mating plates (502) are all flush with the outer ends of the corresponding mating grooves (501).

6. The display screen pressing mold according to claim 5, characterized in that: All mounting holes (503) are threaded through holes, all locking holes (506) are threaded blind holes, and all locking studs (505) pass through the mounting holes (503) and locking holes (506) in sequence with thread engagement.

7. The display screen pressing mold according to claim 6, characterized in that: The outer ends of the locking studs (505) are all coaxially provided with internal hexagonal force grooves (504).

8. The display screen pressing mold according to any one of claims 4-7, characterized in that: The pressure stroke limiting component (4) includes guide posts (406), guide holes (405), and a cylinder body (401). The guide posts (406) are vertically fixed at the four corners of the top surface of the lower mold body. The guide holes (405) are vertically opened at the four corners of the upper mold body (2). The guide posts (406) and the guide holes (405) are vertically coaxially aligned and have a coaxial sliding fit. A rectangular frame (403) is provided above the upper mold body (2). Limiting posts (404) are vertically fixed at the four corners of the bottom surface of the fixing frame (403). The limiting posts (404) and the guide holes (405) are vertically aligned. The upper mold body (2) is vertically coaxially aligned and has a coaxial sliding fit. The top surface of the upper mold body (2) is fixed with an inverted L-shaped mounting bracket (402) on both sides of the fixed frame (403). The top surface of the L-shaped mounting bracket (402) is vertically fixed with the cylinder body (401). The cylinder body (401) is suspended above the corresponding side of the fixed frame (403). The pneumatic push rod (407) at the bottom of the cylinder body (401) passes through the L-shaped mounting bracket (402) in a vertical sliding fit. The bottom end of the pneumatic push rod (407) is fixedly installed on the top surface of the corresponding side of the fixed frame (403).

9. The display screen pressing mold according to claim 8, characterized in that: All guide holes (405) are through holes, and the axial dimension of the limiting post (404) is not less than the axial dimension of the guide hole (405).

10. The display screen pressing mold according to claim 9, characterized in that: The cylinder bodies (401) on both sides are synchronous cylinders, and when the fixed frame (403) descends to contact the top surface of the upper mold body (2), the pneumatic push rod (407) of the cylinder body (401) does not extend to the maximum stroke.

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