Mold opening mechanism, screen dispensing production line and mold opening process

Abstract

The present invention belongs to the technical field of screen production devices, and particularly relates to a mold opening mechanism, a screen dispensing production line and a mold opening process. The mold opening mechanism includes a transportation component, a feeding component, an unlocking component, a transfer component and a mold closing component; the feeding component is arranged at the input end of the transportation component; the unlocking component is arranged on the transportation component; the transfer component is arranged on the base of the screen dispensing production line; the mold closing component is arranged on the transportation component; wherein, the transportation component includes an upper mold conveying line and a lower mold conveying line which are arranged in parallel at intervals, and the transfer component transfers the upper mold stacked on the lower mold after unlocking to the upper mold conveying line, and the upper mold conveying line and the lower mold conveying line synchronously transport the separated upper mold and lower mold. With the integrated structural design of fully automatic mechanical feeding, mold opening and latch reset, the degree of manual participation is greatly reduced, effectively improving the pre-mold opening efficiency of the screen mold, and then effectively improving the production capacity and benefit of screen dispensing production, which is beneficial to the development of the enterprise.

Description

Technical Field

[0001] The present invention belongs to the technical field of screen production devices, and in particular relates to a mold opening mechanism, a screen glue dispensing production line and a mold opening process. Background Art

[0002] The screen glue dispensing process is a key step in the production process of liquid crystal display (LCD) and light-emitting diode (LED) displays. It is mainly used to apply glue between different parts of the display to achieve functions such as bonding, sealing, fixing and protection. The glue dispensing process is crucial to ensure the overall quality and durability of the display.

[0003] The main steps of the dispensing process:

[0004] Preparation: Choose the right type of glue and adjust the glue formula and viscosity according to the specific requirements of the screen.

[0005] Setup before dispensing: Use the dispensing machine to program the dispensing path to ensure that the glue can be accurately applied to the specified location.

[0006] Glue dispensing process: The glue is precisely dispensed to the corresponding position of the screen through the nozzle of the glue dispenser. This process may involve dispensing glue at single points, lines or areas.

[0007] Curing: After dispensing, the glue needs to cure to form a strong bond. The curing process may require heating or the use of specific wavelengths of light (such as ultraviolet light) to speed up.

[0008] Quality inspection: After dispensing is completed, visual inspection and physical testing are carried out to ensure that the glue is evenly distributed, there are no bubbles and leakage, and the bonding strength meets the standards.

[0009] Most of the traditional screen dispensing processes have been performed by automated equipment. Specifically, the traditional screen dispensing mold includes an upper mold and a lower mold. The upper mold and the lower mold are clamping structures to fix the screen on a preset transportation line. The transportation line transports the mold clamping the screen to the dispensing station. After the dispensing is cured, it is demolded to complete the screen dispensing.

[0010] The opposite end faces of the upper mold and the lower mold are provided with receiving grooves for accommodating the screen. When the upper mold and the lower mold are combined, the receiving grooves are combined to form a mold cavity for fixing the screen. The edge of the lower mold is provided with a rotatable lock. When the upper mold is superimposed on the lower mold, the lock is flipped and buckled on the edge of the upper mold, thereby completing the mold fixing and clamping the screen.

[0011] However, in the prior art, after the screen is assembled between the upper mold and the lower mold, the locking process is completed manually. The efficiency of manual assembly is low and the assembly yield is average, which leads to the feeding efficiency of the screen dispensing production line and affects the production capacity, which needs to be improved urgently. Summary of the Invention

[0012] The object of the present invention is to provide a mold opening mechanism, a screen dispensing production line and a mold opening process, aiming to solve the technical problems in the prior art that the process of assembling the screen between the upper mold and the lower mold is completed manually, resulting in low efficiency and general yield rate of manual assembly, which affects the feeding efficiency of the screen dispensing production line and the production capacity.

[0013] To achieve the above object, a mold opening mechanism, a screen dispensing production line and a mold opening process provided by an embodiment of the present invention include a transportation component, a feeding component, an unlocking component, a transfer component and a mold closing component; the transportation component is arranged on the machine base of the screen dispensing production line; the feeding component is arranged at the input end of the transportation component; the unlocking component is arranged on the transportation component and is used to unlock the lock between the upper mold and the lower mold in the mold closed state; the transfer component is arranged on the machine base of the screen dispensing production line and is used to transfer the unlocked upper mold to a preset position; the mold closing component is arranged on the transportation component and is used to reset the lock of the lower mold; wherein, the transportation component includes an upper mold conveying line and a lower mold conveying line arranged in parallel at intervals, and the transfer component transfers the upper mold stacked on the lower mold after unlocking to the upper mold conveying line, and the upper mold conveying line and the lower mold conveying line synchronously transport the separated upper mold and lower mold.

[0014] Optionally, a limiting unit is arranged on the lower mold conveying line, and the limiting unit is arranged at the edge of the lower mold conveying line and is used to limit the lock of the lower mold at a preset position.

[0015] Optionally, the limiting unit is a limiting rod, and the number of the limiting units is two groups. The two groups of limiting units are arranged along the transportation direction of the lower mold conveying line, and the limiting units are located at a preset height. After the unlocking component unlocks the lock, the lock rotates towards the direction of the limiting unit until the lock abuts against the limiting unit and is arranged in an inclined state.

[0016] Optionally, the unlocking component includes a telescopic unit and a clamping plate. The clamping plate is fixedly arranged at the output end of the telescopic unit. The telescopic unit is arranged on one side of the lower mold conveying line. The number of the clamping plates is two groups. The two groups of clamping plates are vertically arranged at intervals at the output end of the telescopic unit. A gap for accommodating the lock is arranged between the two groups of clamping plates, and the gap is located on the moving path of the lock of the lower mold.

[0017] Optionally, the number of the telescopic unit and the clamping plate are both two groups. The two groups of clamping plates are respectively arranged at the output ends of the corresponding telescopic units. The two groups of telescopic units are symmetrically arranged on both sides of the lower mold conveying line. A first positioning member is arranged on the lower mold conveying line, and the first positioning member is used to position the upper mold and the lower mold in the mold closed state between the two groups of telescopic units.

[0018] Optionally, the transfer component includes a multi-axis robot, a flipping unit, and a second positioning member. The multi-axis robot is disposed on the base of the screen dispensing production line. The flipping unit is disposed at the output end of the multi-axis robot. The second positioning member is disposed on the lower mold conveying line. The second positioning member is used to fix the lower mold at a preset position. The multi-axis robot is used to drive the flipping unit close to the upper mold. The flipping unit is used to rotate the upper mold to a preset orientation.

[0019] Optionally, a clamping unit is further disposed at the output end of the multi-axis robot. The clamping unit includes a pushing member and a moving seat. The number of the pushing members and the moving seats is two groups each. The two groups of pushing members are disposed at the output end of the multi-axis robot. The two groups of moving seats are respectively disposed at the output ends of the corresponding pushing members. The flipping unit is disposed on the moving seats.

[0020] Optionally, a lifting assembly is disposed on the lower mold conveying line. The lifting assembly includes a lifting unit and a top plate. The lifting unit is located below the moving path of the lower mold. The top plate is disposed at the output end of the lifting unit. After the unlocked upper mold and lower mold move to the preset position, the lifting unit drives the top plate to move towards the lower mold. A thimble capable of passing through the perforation of the lower mold and abutting against the bottom of the upper mold is disposed on the top plate.

[0021] To achieve the above object, an embodiment of the present invention provides a screen dispensing production line, including the above-mentioned mold opening mechanism.

[0022] To achieve the above object, an embodiment of the present invention provides a mold opening process, which is executed by the above-mentioned screen dispensing production line, and includes the following steps:

[0023] S100: An operator places the upper mold and the lower mold in the closed mold state on the feeding component.

[0024] S200: The feeding component conveys the upper mold and the lower mold in the closed mold state to the lower mold conveying line of the transportation component.

[0025] S300: The lower mold conveying line conveys the upper mold and the lower mold in the closed mold state to the unlocking component. The unlocking component drives the lock of the lower mold to be unlocked, so that the upper mold and the lower mold are in a stacked state.

[0026] S400: The output end of the transfer component moves to one side of the unlocked upper mold, clamps the upper mold, and flips it 180°.

[0027] S500: The transfer component transfers the upper mold after flipping to the upper mold conveying line of the transportation component.

[0028] S600: The closing component on the lower mold conveying line resets the lock of the lower mold.

[0029] One or more of the above technical solutions in the mold opening mechanism, screen dispensing production line, and mold opening process provided by the embodiments of the present invention at least have one of the following technical effects: Compared with the prior art, the process of assembling the screen between the upper mold and the lower mold is completed manually. The efficiency of manual assembly is low and the assembly yield rate is average, resulting in the feeding efficiency of the screen dispensing production line and affecting the production capacity. The mold opening mechanism, screen dispensing production line, and mold opening process provided by the embodiments of the present invention adopt an integrated structure design of fully automatic mechanical feeding, mold opening, and locking and resetting. The degree of manual participation is greatly reduced, effectively improving the early mold opening efficiency of the screen mold, and then effectively improving the production capacity benefit of screen dispensing production, which is beneficial to the development of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0031] Figure 1 It is a schematic structural diagram of the mold opening mechanism provided by the embodiment of the present invention.

[0032] Figure 2 For Figure 1 the schematic structural diagrams of the upper mold conveying line and the lower mold conveying line in

[0033] Figure 3 For Figure 2 the enlarged view of A in

[0034] Figure 4 For Figure 2 the enlarged view of B in

[0035] Figure 5 It is a schematic structural diagram of the transfer assembly provided by the embodiment of the present invention.

[0036] Figure 6 It is a schematic structural diagram of the lifting assembly provided by the embodiment of the present invention.

[0037] Figure 7 It is a schematic structural diagram of the feeding assembly provided by the embodiment of the present invention.

[0038] Figure 8 It is a schematic structural diagram of the mold opening process provided by the embodiment of the present invention.

[0039] Among them, the reference numerals in the drawings:

[0040] 100 - Transport component, 200 - Loading component, 300 - Unlocking component

[0041] 400 - Transfer component, 500 - Mold - closing component, 110 - Upper - mold conveyor line

[0042] 120 - Lower - mold conveyor line, 130 - Limit rod, 510 - Driving part

[0043] 310 - Telescopic unit, 320 - Clamping plate, 140 - First positioning part

[0044] 410 - Multi - axis manipulator, 420 - Flipping unit, 430 - Second positioning part

[0045] 421 - Rotary cylinder, 422 - First rotating block, 423 - Second rotating block

[0046] 440 - Clamping unit, 441 - Pushing part, 442 - Moving seat

[0047] 424 - Card slot, 425 - Card block, 150 - Lifting - top component

[0048] 151 - Lifting unit, 152 - Top plate, 153 - Thimble

[0049] 210 - Lifting unit, 220 - Lifting seat. Detailed implementation manners

[0050] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions from beginning to end. The following is through reference to the attached Figures 1-8 The described embodiments are exemplary and are intended to explain the embodiments of the present invention, and should not be construed as a limitation to the present invention.

[0051] In the description of the embodiments of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0052] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present invention, the meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0053] In the embodiments of the present invention, unless otherwise clearly specified and limited, terms such as "mounted", "connected", "coupled", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0054] In one embodiment of the present invention, as Figures 1-8 shown, a screen dispensing production line is provided, which includes a machine base and a mold opening mechanism. The mold opening mechanism includes a transportation component 100, a loading component 200, an unlocking component 300, a transfer component 400, and a mold closing component 500; the transportation component 100 is arranged on the machine base of the screen dispensing production line; the loading component 200 is arranged at the input end of the transportation component 100; the unlocking component 300 is arranged on the transportation component 100 and is used to unlock the latch between the upper mold and the lower mold in the mold closing state; the transfer component 400 is arranged on the machine base of the screen dispensing production line and is used to transfer the unlocked upper mold to a preset position; the mold closing component 500 is arranged on the transportation component 100 and is used to reset the latch of the lower mold; wherein, the transportation component 100 includes an upper mold conveying line 110 and a lower mold conveying line 120 arranged in parallel at intervals. The transfer component 400 transfers the upper mold stacked on the lower mold after unlocking to the upper mold conveying line 110, and the upper mold conveying line 110 and the lower mold conveying line 120 synchronously transport the separated upper mold and lower mold.

[0055] Specifically, as Figure 8 shown, the mold opening process of this mold opening mechanism includes the following steps:

[0056] S100: An operator places the upper mold and the lower mold in the mold closing state on the loading component 200;

[0057] S200: The loading component 200 transports the upper mold and the lower mold in the mold closing state to the lower mold conveying line 120 of the transportation component 100;

[0058] S300: The lower mold conveyor line 120 conveys the upper mold and the lower mold in the mold-closed state to the unlocking assembly 300, and the unlocking assembly 300 drives the unlocking of the latches of the lower mold, so that the upper mold and the lower mold are in a stacked state;

[0059] S400: The output end of the transfer assembly 400 moves to one side of the unlocked upper mold, clamps the upper mold and then flips it 180°;

[0060] S500: The transfer assembly 400 transfers the upper mold after flipping backward to the upper mold conveyor line 110 of the transport assembly 100;

[0061] S600: The mold-closing assembly 500 on the lower mold conveyor line 120 resets the latches of the lower mold.

[0062] Compared with the prior art, the process of assembling the screen between the upper mold and the lower mold is completed manually. The efficiency of manual assembly is low and the assembly yield rate is average, resulting in the feeding efficiency of the screen dispensing production line and affecting the production capacity. The mold opening mechanism, screen dispensing production line and mold opening process provided by the embodiments of the present invention adopt an integrated structural design of fully automatic mechanical feeding, mold opening and latch resetting. The degree of manual participation is greatly reduced, effectively improving the early mold opening efficiency of the screen mold, and then effectively improving the production capacity benefit of the screen dispensing production, which is beneficial to the development of the enterprise.

[0063] As Figures 1-8 shown, in another embodiment of the present invention, a limiting unit is provided on the lower mold conveyor line 120. The limiting unit is arranged on the edge of the lower mold conveyor line 120 and is used to limit the latches of the lower mold in a preset position. The limiting unit is used to prevent the latches from rotating to a dead corner position and being unable to be reset.

[0064] As Figures 1-8 shown, in another embodiment of the present invention, the limiting unit is a limiting rod 130. The number of the limiting units is two groups. The two groups of limiting units are arranged along the transport direction of the lower mold conveyor line 120. The limiting unit is at a preset height. After the unlocking assembly 300 unlocks the latches, the latches rotate towards the direction of the limiting unit until the latches abut against the limiting unit and are arranged in an inclined state. Wherein, support rods are respectively arranged at both ends of the limiting rod 130. The end of the support rod is fixedly connected to the machine base of the screen production line. The other end of the support rod extends upward away from the machine base. The end of the limiting rod 130 is fixedly connected to the end of the support rod away from the machine base, so that the limiting rod 130 is at a certain height.

[0065] In step S300, after the unlocking component 300 drives the lock catch of the lower mold to unlock, the lock catch abuts against the top end of the limiting rod 130 during rotation. At this time, the top end of the lock catch leaves the gap between the two sets of clamping plates 320 and overlaps on the limiting rod 130.

[0066] In step S600, the mold closing component 500 includes two sets of driving members 510. The two sets of driving members 510 are respectively arranged on both sides of the lower mold conveying line 120 and on one side of the limiting rod 130. Among them, the lock catch has a certain length. When the end of the unlocked lock catch moves to the outside of the limiting rod 130 and faces the driving member 510, at this time, the lock catch is still in an inclined state. The driving member 510 drives the end of the lock catch away from the limiting rod 130 and moves downward toward the lower mold, so that the top end of the lock catch is reset above the upper mold, preventing the lock catch from interfering with the lower mold during the movement of the lower mold.

[0067] As Figures 1-8 shown, in another embodiment of the present invention, the unlocking component 300 includes a telescopic unit 310 and clamping plates 320. The clamping plates 320 are fixedly arranged at the output end of the telescopic unit 310. The telescopic unit 310 is arranged on one side of the lower mold conveying line 120. The number of the clamping plates 320 is two. The two sets of clamping plates 320 are vertically and spaced apart at the output end of the telescopic unit 310. A gap for accommodating the lock catch is arranged between the two sets of clamping plates 320, and the gap is located on the moving path of the lock catch of the lower mold.

[0068] In this embodiment, the telescopic unit 310 is a cylinder. The clamping plates 320 are sequentially and spaced apart along the length direction of the telescopic rod of the telescopic unit 310. Among them, the cross section of the lock catch of the lower mold is arranged in a C-shaped structure. When the upper mold and the lower mold are in the mold closing state, the lock catch is vertically oriented. The gap between the two sets of clamping plates 320 is located on the moving path of the top end of the lock catch. When the end of the lock catch moves into the gap, the telescopic unit 310 drives the clamping plates 320 to move horizontally. The clamping plates 320 abut against the end of the lock catch during the movement. During the continuous movement of the clamping plates 320, the overtime drives the top end of the lock catch away from the upper mold, thereby completing the unlocking.

[0069] As Figures 1-8 shown, in another embodiment of the present invention, the number of the telescopic unit 310 and the clamping plates 320 is both two. The two sets of clamping plates 320 are respectively arranged at the output ends of the corresponding telescopic units 310. The two sets of telescopic units 310 are symmetrically arranged on both sides of the lower mold conveying line 120. A first positioning member 140 is arranged on the lower mold conveying line 120, and the first positioning member 140 is used to position the upper mold and the lower mold in the mold closing state between the two sets of telescopic units 310.

[0070] Specifically, the first positioning member 140 is a limit cylinder. The first positioning member 140 is located below the conveying path of the lower die conveying line 120, and the output end of the first positioning member 140 can extend to the conveying path of the lower die conveying line 120 to be used for abutting against the lower die to ensure that the unlocking positions of the upper die and the lower die are the same each time.

[0071] As Figures 1-8 shown, in another embodiment of the present invention, the transfer assembly 400 includes a multi-axis manipulator 410, a flipping unit 420, and a second positioning member 430. The multi-axis manipulator 410 is arranged on the base of the screen dispensing production line. The flipping unit 420 is arranged at the output end of the multi-axis manipulator 410. The second positioning member 430 is arranged on the lower die conveying line 120. The second positioning member 430 is used for fixing the lower die at a preset position. The multi-axis manipulator 410 is used for driving the flipping unit 420 to approach the upper die, and the flipping unit 420 is used for rotating the upper die to a preset orientation.

[0072] Specifically, the multi-axis manipulator 410 is a two-axis manipulator. The clamping end of the multi-axis manipulator 410 can reciprocate between the upper die conveying line 110 and the lower die conveying line 120. The flipping unit 420 includes a rotating cylinder 421 and a first rotating block 422. The rotating cylinder 421 and the first rotating block 422 are respectively arranged on the fingers of the clamping end of the multi-axis manipulator 410. A second rotating block 423 is arranged at the output end of the rotating cylinder 421. The rotating cylinder 421 and the first rotating block 422 can move relative to each other along with the clamping action of the clamping end of the multi-axis manipulator 410. In other embodiments, the flipping unit 420 includes two groups of rotating cylinders 421, and the two groups of rotating cylinders 421 are symmetrically arranged on the fingers of the clamping end of the multi-axis manipulator 410.

[0073] As Figures 1-8 shown, in another embodiment of the present invention, a clamping unit 440 is further arranged at the output end of the multi-axis manipulator 410. The clamping unit 440 includes a pushing member 441 and a moving seat 442. The number of the pushing member 441 and the moving seat 442 is two groups each. The two groups of pushing members 441 are arranged at the output end of the multi-axis manipulator 410. The two groups of moving seats 442 are respectively arranged at the output ends of the corresponding pushing members 441 one by one. The flipping unit 420 is arranged on the moving seat 442.

[0074] Specifically, the rotating cylinder 421 and the first rotating block 422 are respectively arranged on the two groups of moving seats 442. In other embodiments, the two groups of rotating cylinders 421 are respectively arranged on the two groups of rotating seats.

[0075] Among them, clamping grooves 424 are provided on both the first rotating block 422 and the second rotating block 423. The clamping grooves 424 are in clamping fit with the edge of the upper die. A clamping block 425 protrudes from the clamping groove 424, and a groove is provided on the edge of the upper die. The clamping block 425 is in clamping fit with the groove. The first rotating block 422 and the second rotating block 423 are driven by corresponding driving members 441 to approach or move away from the edge of the upper die, so as to realize the clamping or releasing action. In this embodiment, the driving member 441 is a cylinder.

[0076] As Figures 1-8 As shown, in another embodiment of the present invention, a lifting assembly 150 is provided on the lower die conveying line 120. The lifting assembly 150 includes a lifting unit 151 and a top plate 152. The lifting unit 151 is located below the moving path of the lower die. The top plate 152 is provided at the output end of the lifting unit 151. When the unlocked upper die and lower die move to a preset position, the lifting unit 151 drives the top plate 152 to move towards the lower die. A thimble 153 is provided on the top plate 152, which can pass through the perforation of the lower die and abut against the bottom of the upper die. Specifically, the lifting unit 151 is a cylinder. The lifting unit 151 is located below the conveying path of the lower die conveying line 120. When the lower die moves to the preset position, the lifting unit 151 drives the top plate 152 to move upward, so that the thimble 153 passes through the perforation and lifts the upper die to a preset height. At this time, the upper die and the lower die are in a separated state, and there is a gap between the upper die and the lower die. The edge of the clamping groove 424 on the first rotating block 422 and the second rotating block 423 can extend into the gap, so that the clamping groove 424 on the first rotating block 422 and the second rotating block 423 can be smoothly clamped with the edge of the upper die.

[0077] As Figures 1-8 As shown, in another embodiment of the present invention, the feeding assembly 200 includes a lifting unit 210 and a lifting seat 220. The lifting unit 210 is provided on one side of the input ends of the lower die conveying line 120 and the upper die conveying line 110. The lifting seat 220 is provided at the output end of the lifting unit 210. The lifting seat 220 is provided with a driving device for moving the upper die and the lower die in the closed mold state onto the lower die conveying line 120. Among them, the driving direction of the lifting unit 210 is set in the vertical direction. In this embodiment, the screen dispensing production line further includes a mold return line 600. The mold return line 600 is provided in the machine base of the screen dispensing production line and is located below the upper die conveying line 110 and the lower die conveying line 120. The output end of the mold return line 600 extends to one side of the lifting unit 210. The moving path of the lifting seat 220 reciprocates between the output end of the mold return line 600 and the input end of the upper die conveying line 110.

[0078] As Figures 1-8As shown in the figure, in another embodiment of the present invention, the number of the transfer components 400 is two groups, and the two groups of the transfer components 400 are arranged at intervals in sequence along the conveying directions of the upper die conveying line 110 and the lower die conveying line 120. The duplex displacement transfer is beneficial to improving the mold opening efficiency.

[0079] The foregoing are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An opening die mechanism, characterized in that, Comprising: A transportation component, which is arranged on the base of the screen dispensing production line; A loading component, which is arranged at the input end of the transportation component; An unlocking component, which is arranged on the transportation component and is used to unlock the lock between the upper mold and the lower mold in the mold-closed state; A transfer component, which is arranged on the base of the screen dispensing production line and is used to transfer the unlocked upper mold to a preset position; A mold-closing component, which is arranged on the transportation component and is used to reset the lock of the lower mold; Wherein, the transportation component includes an upper mold conveying line and a lower mold conveying line arranged in parallel at intervals. The transfer component transfers the upper mold stacked on the lower mold after unlocking to the upper mold conveying line. The upper mold conveying line and the lower mold conveying line synchronously transport the separated upper mold and lower mold. A limiting unit is arranged on the lower mold conveying line. The limiting unit is arranged at the edge of the lower mold conveying line and is used to limit the lock of the lower mold at a preset position; The limiting unit is a limiting rod. The number of the limiting units is two groups. The two groups of limiting units are arranged along the transportation direction of the lower mold conveying line. The limiting unit is at a preset height. After the unlocking component unlocks the lock, the lock rotates towards the direction of the limiting unit until the lock abuts against the limiting unit and is arranged in an inclined state.

2. The mold opening mechanism according to claim 1, characterized in that: The unlocking component includes a telescopic unit and a clamping plate. The clamping plate is fixedly arranged at the output end of the telescopic unit. The telescopic unit is arranged on one side of the lower mold conveying line. The number of the clamping plates is two groups. The two groups of clamping plates are vertically and spaced apart on the output end of the telescopic unit. A gap for accommodating the lock is arranged between the two groups of clamping plates. The gap is located on the moving path of the lock of the lower mold.

3. The mold opening mechanism according to claim 2, characterized in that: The number of the telescopic unit and the clamping plate is both two groups. The two groups of clamping plates are respectively arranged at the output end of the corresponding telescopic unit. The two groups of telescopic units are symmetrically arranged on both sides of the lower mold conveying line. A first positioning member is arranged on the lower mold conveying line. The first positioning member is used to position the upper mold and the lower mold in the mold-closed state between the two groups of telescopic units.

4. The mold opening mechanism according to any one of claims 1 to 3, characterized in that: The transfer component includes a multi-axis manipulator, a flipping unit and a second positioning member. The multi-axis manipulator is arranged on the base of the screen dispensing production line. The flipping unit is arranged at the output end of the multi-axis manipulator. The second positioning member is arranged on the lower mold conveying line. The second positioning member is used to fix the lower mold at a preset position. The multi-axis manipulator is used to drive the flipping unit close to the upper mold. The flipping unit is used to rotate the upper mold to a preset orientation.

5. The mold opening mechanism according to claim 4, wherein: A clamping unit is further arranged at the output end of the multi-axis manipulator. The clamping unit includes a pushing member and a moving seat. The number of the pushing member and the moving seat is both two groups. The two groups of pushing members are arranged at the output end of the multi-axis manipulator. The two groups of moving seats are respectively arranged at the output end of the corresponding pushing member. The flipping unit is arranged on the moving seat.

6. The mold opening mechanism according to claim 4, characterized in that: A lifting component is arranged on the lower die conveying line. The lifting component includes a lifting unit and a top plate. The lifting unit is located below the moving path of the lower die, and the top plate is arranged at the output end of the lifting unit. After the unlocked upper die and lower die move to a preset position, the lifting unit drives the top plate to move towards the lower die. A thimble capable of passing through the perforation of the lower die and abutting against the bottom of the upper die is arranged on the top plate.

7. A screen dispensing production line, characterized in that: It includes the mold opening mechanism according to any one of claims 1 to 6.

8. An injection molding process, characterized in that: It is executed by the screen dispensing production line according to claim 7, and includes the following steps: S100: An operator places the upper die and the lower die in the closed mold state on the loading component. S200: The loading component conveys the upper die and the lower die in the closed mold state to the lower die conveying line of the transportation component. S300: The lower die conveying line conveys the upper die and the lower die in the closed mold state to the unlocking component, and the unlocking component drives the lock catch of the lower die to be unlocked, so that the upper die and the lower die are in a stacked state. S400: The output end of the transfer component moves to one side of the unlocked upper die, and clamps and flips the upper die by 180°. S500: The transfer component transfers the upper die after flipping backward to the upper die conveying line of the transportation component. S600: The closing component on the lower die conveying line resets the lock catch of the lower die.

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