Hot-pressing jig for A-piece shell of notebook computer

Abstract

The utility model discloses a hot pressing jig for a notebook computer A piece shell, which comprises a lower die and an upper die, and is characterized in that the lower die comprises a lower die holder, a profiling plate arranged on the lower die holder and used for bearing the A piece shell, a positioning mechanism connected with the lower die holder and used for positioning a workpiece borne on the profiling plate, and a plurality of first driving units; the profiling plate comprises a center plate and a plurality of first sub-plates and a plurality of second sub-plates which are distributed around the center plate, protruding parts on the first sub-plates and the second sub-plates can be spliced into profiling bosses used for bearing metal parts in the part A, profiling grooves used for bearing plastic parts in the part A are formed in the protruding parts, the first sub-plates are connected with the first driving unit, and the second sub-plates are connected with the second driving unit. An inclined wedge mechanism is arranged between the adjacent first sub-plate and second sub-plate, when the first driving unit drives the first sub-plate to reciprocate, the second sub-plate can be driven by the inclined wedge mechanism to synchronously reciprocate along with the first sub-plate, use of driving mechanisms is reduced, the structure is simplified, the jig cost is reduced, and meanwhile the product percent of pass is increased.

Description

TECHNICAL FIELD

[0001] The utility model belongs to notebook computer shell piece processing technical field, concretely relates to a notebook computer A piece shell hot-pressing fixture. BACKGROUND

[0002] The display and the base of the notebook computer are connected through a rotating shaft, and the side without the display is the A piece product of the notebook computer shell piece. The port of the A piece product is usually shaped with a full-week reverse buckle. Therefore, in order to fix the A piece shell on the fixture to complete hot-pressing processing, the lower die is usually cooperated with a plurality of movable plate bodies to realize bearing the A piece. Each plate body is connected with a driving mechanism to drive the corresponding plate body to move horizontally and reciprocally, so that the plate bodies are close to each other to buckle the A piece on the lower die, and the plate bodies are away from each other to fix the A piece shell against the inner side wall. The traditional fixture is connected with one driving mechanism (such as a pneumatic cylinder) for each movable plate body to drive the plate body to move reciprocally. Such a fixture has more driving mechanisms, which is easy to be out of sync, thereby affecting the yield of the product. Moreover, the more the driving mechanisms, the higher the cost of the fixture. SUMMARY

[0003] In view of the technical problems existing in the prior art, the utility model provides a notebook computer A piece shell hot-pressing fixture.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A notebook computer A piece shell hot-pressing fixture is used for fixing the metal piece and the plastic piece of the A piece shell, and comprises:

[0006] A lower die comprises a lower die seat, a profiling plate arranged on the lower die seat and used for bearing the metal piece and the plastic piece, a positioning mechanism connected with the lower die seat and used for positioning the workpiece borne on the profiling plate, and a plurality of first driving units. The profiling plate comprises a center plate and a plurality of first sub-plates and a plurality of second sub-plates distributed around the center plate. The protruding parts on the first sub-plates and the second sub-plates can be combined into a profiling boss which is adapted to the shape of the metal piece and is used for bearing the metal piece. The profiling grooves with shapes adapted to the shape of the plastic piece are arranged on the protruding parts and are used for bearing the plastic piece. The first sub-plates are connected with the first driving units one by one. The oblique engagement mechanisms are arranged between the adjacent first sub-plates and the second sub-plates. When the first driving units drive the first sub-plates to move towards the center plate, the oblique engagement mechanisms can drive the second sub-plates to also move towards the center plate. When the first driving units drive the first sub-plates to move away from the center plate, the oblique engagement mechanisms can drive the second sub-plates to also move away from the center plate.

[0007] An upper mold is arranged above the lower mold and cooperates with the lower mold.

[0008] Further, all the inclined engagement mechanisms comprise two protruding lugs arranged in an inclined manner on the first sub-plate, recessed grooves arranged on the second sub-plate and corresponding to the positions of the protruding lugs and capable of cooperating with the protruding lugs in the corresponding positions, and a plurality of inclined engagement block assemblies, the protruding lugs being integrally formed from the first sub-plate towards the center plate, the side walls on both sides of the protruding lugs being defined as a first inclined side wall and a second inclined side wall, the side wall corresponding to the first inclined side wall of the recessed groove being defined as a third inclined side wall, and the side wall corresponding to the second inclined side wall being defined as a fourth inclined side wall, one of the inclined engagement block assemblies being arranged between the first inclined side wall and the third inclined side wall and between the second inclined side wall and the fourth inclined side wall.

[0009] The inclined engagement block assembly comprises a first inclined engagement friction block embedded on the first inclined side wall or the second inclined side wall, and a second inclined engagement friction block embedded on the third inclined side wall or the fourth inclined side wall, the first inclined engagement friction block having a first inclined surface located outside the first inclined side wall or the second inclined side wall, and the second inclined engagement friction block having a second inclined surface located outside the third inclined side wall or the fourth inclined side wall.

[0010] When the first driving unit drives the first sub-plate to move towards the center plate, the first inclined surface outside the first inclined side wall can be in contact with the corresponding second inclined surface, thereby driving the second sub-plate to move towards the center plate; when the first driving unit drives the first sub-plate to move away from the center plate, the first inclined surface outside the second inclined side wall can be in contact with the corresponding second inclined surface, thereby driving the second sub-plate to move away from the center plate.

[0011] Further, the end of the first sub-plate and the second sub-plate close to the center plate is connected to the center plate through a plurality of guide blocks, the guide blocks being used to guide the moving direction of the first sub-plate and the second sub-plate.

[0012] The end of the first sub-plate and the second sub-plate away from the center plate is provided with a plurality of limiting blocks, the limiting blocks being used to limit the maximum displacement distance of the corresponding first sub-plate or second sub-plate when the first sub-plate and the second sub-plate move away from the center plate.

[0013] Further, the lower die base comprises a support plate arranged at the lower end of the profiling plate, two support legs arranged at the lower end of the support plate and spaced apart, and a material lifting mechanism arranged below the support plate; the material lifting mechanism comprises a material lifting plate arranged between the two support legs, and a plurality of material lifting pins, one end of which is connected with the material lifting plate and the other end of which can pass through the support plate and the profiling groove.

[0014] Further, a plurality of detection mechanisms are arranged on the support plate, each of which comprises a mounting plate detachably connected with the support plate, a second driving unit arranged at the top end of the mounting plate, a sensor arranged on the second driving unit, and a latch connected with the second driving unit; when the second sub-plate also moves in the direction away from the center plate, the second driving unit can drive the latch to be inserted into the gap between the first sub-plate and the second sub-plate.

[0015] Further, the first driving unit and the second driving unit are air cylinders.

[0016] Further, the positioning mechanism comprises a plurality of first positioning pins arranged on the profiling plate and capable of passing through the profiling groove, and a positioning assembly for positioning the metal piece, the positioning assembly comprising two positioning blocks arranged on the support plate and distributed around the edge of the profiling boss, and a plurality of second positioning pins arranged on the center plate.

[0017] Further, the upper die comprises an upper die plate, a rubber coating layer arranged at the lower end of the upper die plate, and a plurality of pressing mechanisms connected with the upper die plate, the rubber coating layer having a recessed area recessed in the direction away from the lower die; when the upper die and the lower die are closed, in the top view, the plurality of profiling grooves will surround the recessed area.

[0018] The pressing mechanism is used to press the plastic part located in the Mela antenna groove of the metal piece.

[0019] Further, the pressing mechanism comprises a support plate detachably connected with the upper die plate, a third driving unit arranged on the support plate, a side pushing block connected with the third driving unit, a pressing block mounted on the upper die plate, and a reset spring having one end connected with the pressing block and the other end connected with the upper die plate, the side pushing block has a pressing portion horizontally protruding away from the third driving unit, and the lower end surface of the pressing portion is an inclined pressing surface, the upper end of the pressing block is provided with a matching groove matched with the pressing portion, and the third driving unit can drive the pressing portion to enter / exit the matching groove, so that the lower end of the pressing block can enter the Mylar antenna slot on the metal piece when the pressing portion enters the matching groove.

[0020] Further, the pressing block comprises a block body, two side wings fixed on the two sides of the block body respectively, a variable cross-section segment fixed on the lower end of the block body, and an insertion segment fixed on the lower end of the variable cross-section segment, an installation position for mounting the pressing block is arranged on the upper die plate, the reset spring is arranged between the installation position and the side wings, the installation position is further provided with an installation cavity for mounting the insertion segment, the variable cross-section segment and part of the block body, and the insertion segment can enter the Mylar antenna slot on the metal piece to press the plastic part in the slot when the pressing portion enters the matching groove.

[0021] In summary, the notebook A shell hot-pressing jig has the following advantages: 1. The inclined engagement mechanism is used to connect the first sub-plate and the second sub-plate, so that the movement of the two sub-plates is highly synchronous, the effect of synchronously moving or expanding the sub-plates to form the profiled boss is better, the jig structure is simplified, the layout and connection of the driving mechanism are reduced, and the cost is saved. 2. The detection mechanism on the support plate body can detect the position of the sub-plate before the mold is closed, and the bolt can determine whether the sub-plate is in place, so that the staff can take measures if the bolt cannot be inserted, error operation is avoided, and production safety is improved. 3. The third driving unit of the pressing mechanism drives the side pushing block and the pressing block to cooperate, so that the pressing block can be flexibly controlled to enter and exit the Mylar antenna slot, compared with the structure of the traditional spring connected pressing block, the reliability is higher, and the influence of the plastic part protruding on the installation of the Mylar antenna during hot pressing can be effectively prevented. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic view of a notebook A shell hot-pressing jig.

[0023] Figure 2 is Figure 1 is a schematic view of the vertical structure of the lower die.

[0024] Figure 3 is Figure 2Elevational view of the lower die.

[0025] Figure 4 is Figure 3 Plan view of the middle A part.

[0026] Figure 5 is Figure 4 Enlarged view of the middle B part.

[0027] Figure 6 is Figure 4 Structure schematic view of the middle profiled groove loaded with plastic parts.

[0028] Figure 7 is Figure 4 Structure schematic view of the middle profiled groove loaded with plastic parts.

[0029] Figure 8 is Figure 4 Structure schematic view of the middle profiled groove loaded with plastic parts.

[0030] Figure 9 is Figure 4 Structure schematic view of the middle profiled groove loaded with plastic parts.

[0031] Figure 10 is Elevational view of the upper die.

[0032] Figure 11 is Plan view of the notebook A piece shell hot-pressing jig.

[0033] Figure 12 is A-A direction sectional view.

[0034] Figure 13 is B-B direction sectional view.

[0035] Figure 14 is Three-dimensional structure schematic view of the pressing block.

[0036] In the figure, 100-metal piece, 110-mylar antenna slot, 200-plastic piece, 300-lower mold, 310-lower mold base, 311-support plate body, 312-supporting foot, 313-ejecting mechanism, 313A-ejecting plate, 313B-ejecting pin, 320-profiling plate, 321-center plate, 322-first sub-plate, 3220-protruding lug, 323-second sub-plate, 324-profiling boss, 325-profiling groove, 330-positioning mechanism, 331-first positioning pin, 332-positioning assembly, 332A-positioning block, 332B-second positioning pin, 340-first driving unit, 350-guiding block, 360-limiting block, 370-enclosing block, 400-upper mold, 410-upper mold plate, 420-gumming layer, 421-recessed area, 4211-avoidance hole, 430-pressing mechanism, 431-supporting plate, 432-third driving unit, 433-side pushing block, 4330-pressing part, 434-pressing block, 4341-pressing block body, 4341A-matching groove, 4342-lateral wing, 4343-variable cross-section segment, 4344-insertion segment, 435-return spring, 440-positioning hole, 450-avoidance notch, 500-inclined engagement block assembly, 510-first inclined engagement friction block, 520-second inclined engagement friction block, 600-detecting mechanism, 610-mounting plate, 620-second driving unit, 630-sensor, 640-peg. DETAILED DESCRIPTION

[0037] The utility model is further illustrated below in combination with specific figures.

[0038] During hot pressing, the metal piece 100 (such as an aluminum piece shell composed of aluminum alloy or aluminum-magnesium alloy) and the plastic piece 200 (such as ABS or PC+ABS, etc.) are bonded together by glue (usually acrylic AB structure glue). The metal piece 100 is provided with a mylar antenna slot 110, and the A piece shell has two installation notches arranged at intervals for installing a rotating shaft.

[0039] Please refer to Figure 1 and Figure 2The utility model provides a notebook A piece shell hot press jig for fixing metal piece 100 and plastic piece 200 of A piece shell, including lower mould 300 and the upper mould 400 of being located upper mould 300 and being mutually cooperative with lower mould 300, lower mould 300 includes lower mould base 310, the profiling plate 320 of being located lower mould base 310 for bearing metal piece 100 and plastic piece 200, the positioning mechanism 330 of being connected with lower mould base 310 for locating the workpiece borne on profiling plate 320 and a plurality of first drive units 340, profiling plate 320 includes center plate 321 and the first subplate 322 and a plurality of second subplates 323 of being spaced apart around center plate 321, the raised portion on first subplate 322 and second subplate 323 can be spliced into the profiling boss 324 of being suitable for the shape of metal piece 100 and being used for bearing metal piece 100, and the profiling groove 325 of being set up on raised portion and being suitable for the shape of plastic piece 200 for bearing plastic piece 200, first subplate 322 and first drive unit 340 are connected one by one, and be equipped with inclined engagement mechanism between adjacent first subplate 322 and second subplate 323, when first drive unit 340 drives first subplate 322 to move towards the direction close to center plate 321, inclined engagement mechanism can drive second subplate 323 also move towards the direction close to center plate 321, when first drive unit 340 drives first subplate 322 to move towards the direction away from center plate 321, inclined engagement mechanism can drive second subplate 323 also move towards the direction away from center plate 321, when first subplate 322 moves under the drive of first drive unit 340, through the mechanical transmission of inclined engagement mechanism, can ensure that the action of second subplate 323 and first subplate 322 is highly synchronous, the mutual approach or expansion of each subplate constituting profiling boss 324 is better, and the product yield is improved. After using inclined engagement mechanism, the structure of the jig is simplified, the layout and connection of the driving mechanism are reduced, and the jig cost is saved.

[0040] Please refer to Figure 3 Lower mould base 310 includes support plate body 311 located at the lower end of profiling plate 320, two support feet 312 located at the lower end of support plate body 311 and arranged at intervals, and a material ejecting mechanism 313 located below support plate body 311. The material ejecting mechanism 313 includes a material ejecting plate 313A located between the two support feet 312 and a plurality of material ejecting pins 313B connected to one end of the material ejecting plate 313A and capable of passing through the support plate body 311 and the profiling groove 325. The material ejecting pins 313B can reciprocate in the cavity through which they pass. After the plastic piece 200 is carried in the profiling groove 325, the material ejecting pins 313B are located below the plastic piece 200. After hot processing is completed, the A piece shell is clamped on the profiling boss 324. The processed workpiece can be lifted by the upward movement of the material ejecting pins 313B, facilitating material removal.

[0041] Please refer to Figure 4 andFigure 5 All the inclined engagement mechanisms include two protruding lugs 3220 provided on the first sub-plate 322 and arranged in an inclined manner, recessed grooves provided on the second sub-plate 323 and corresponding to the protruding lugs 3220 in position and capable of engaging with the protruding lugs 3220 in corresponding positions in an interstitial manner, and a plurality of inclined engagement block assemblies 500, the protruding lugs 3220 being integrally protruded from one end of the first sub-plate 322 close to the center plate 321 towards the direction close to the center plate 321. The side walls on both sides of the protruding lugs 3220 are defined as a first inclined side wall and a second inclined side wall, the side wall corresponding to the first inclined side wall of the recessed groove is defined as a third inclined side wall, and the side wall corresponding to the second inclined side wall is defined as a fourth inclined side wall. One inclined engagement block assembly 500 is provided between the first inclined side wall and the third inclined side wall and between the second inclined side wall and the fourth inclined side wall. The inclined engagement block assembly 500 includes a first inclined engagement friction block 510 embedded on the first inclined side wall or the second inclined side wall, and a second inclined engagement friction block 520 embedded on the third inclined side wall or the fourth inclined side wall, the first inclined engagement friction block 510 has a first inclined surface located outside the first inclined side wall or the second inclined side wall, and the second inclined engagement friction block 520 has a second inclined surface located outside the third inclined side wall or the fourth inclined side wall. When the first driving unit 340 drives the first sub-plate 322 to move towards the direction close to the center plate 321, the first inclined surface located outside the first inclined side wall can be in contact with the corresponding second inclined surface, thereby driving the second sub-plate 323 to move towards the direction close to the center plate 321; when the first driving unit 340 drives the first sub-plate 322 to move towards the direction away from the center plate 321, the first inclined surface located outside the second inclined side wall can be in contact with the corresponding second inclined surface, thereby driving the second sub-plate 323 to move towards the direction away from the center plate 321. The first driving unit 340 gives power to the first sub-plate 322, so that the first sub-plate 322 moves towards the center plate 321, the first inclined engagement friction block 510 provided on the first inclined side wall is in contact with the second inclined engagement friction block 520 in the corresponding position, through the cooperation of the two inclined surfaces in contact, the second sub-plate 323 can be synchronously moved towards the direction close to the center plate 321, facilitating the smooth loading of the metal piece 100 with a reverse buckle on the profiling table. The first driving unit 340 gives power to the first sub-plate 322, drives the first sub-plate 322 to move towards the direction away from the center plate 321, at this time, the first inclined engagement friction block 510 installed on the second inclined side wall is in contact with the second inclined engagement friction block 520 in the corresponding position, also through the cooperation of the two inclined surfaces in contact, the second sub-plate 323 will follow the first sub-plate 322 to move synchronously towards the direction away from the center plate 321, after the first sub-plate 322 and the second sub-plate 323 expand outward, they can abut against the side wall of the metal piece 100, together with the positioning mechanism 330, to stably and firmly fix the A-piece shell, facilitating hot pressing processing.

[0042] When the positioning mechanism 330 is used for positioning, the positioning mechanism 330 includes a plurality of first positioning pins 331 arranged on the profiling plate 320 and capable of passing through the profiling groove 325, and a positioning assembly 332 for positioning the metal piece 100. Please refer to Figure 7 The plastic piece 200 arranged in the profiling groove 325 is positioned by the first positioning pins 331 to prevent displacement. The positioning assembly 332 includes two positioning blocks 332A arranged on the support plate body 311 and distributed at the edge of the profiling boss 324, and a plurality of second positioning pins 332B arranged on the center plate 321. Please refer to Figure 8 When the metal piece 100 is loaded on the profiling boss 324, the positioning blocks 332A are located at the installation gap position of the A-piece shell, and the second positioning pins 332B distributed on the center plate 321 are inserted into the corresponding holes in the middle part of the metal piece 100, thereby positioning and fixing the metal piece 100, ensuring that the metal piece 100 and the plastic piece 200 can be in accurate positions during hot pressing, thereby ensuring high-precision assembly of the final product and improving product quality.

[0043] Please refer to Figure 9 The end of the first sub-plate 322 and the second sub-plate 323 close to the center plate 321 is connected with the center plate 321 through a plurality of guide blocks 350, which are used to guide the moving direction of the first sub-plate 322 and the second sub-plate 323. The guide blocks 350 can provide accurate guidance for movement, ensuring that the first sub-plate 322 and the second sub-plate 323 move along the predetermined trajectory, and ensuring that the second sub-plate 323 maintains the correct relative position and moving direction with the first sub-plate 322 during movement. The end of the first sub-plate 322 and the second sub-plate 323 away from the center plate 321 is provided with a plurality of limiting blocks 360, which are used to limit the maximum displacement distance of the corresponding first sub-plate 322 or second sub-plate 323 when moving away from the center plate 321. By setting the limiting blocks 360, the maximum displacement distance of the first sub-plate 322 and the second sub-plate 323 moving away from the center plate 321 each time remains consistent, which helps to ensure the working consistency of the jig during multiple uses, so that the fixing effect of the A-piece shell is the same each time, improving the stability and quality reliability of product processing. The top end of each guide block 350 is connected with a closing block 370, and the top end of all limiting blocks 360 is also connected with a closing block 370, which can reduce the entry of debris into the mold gap.

[0044] Please refer to Figure 6After the first partition plate 322 and the second partition plate 323 expand outward and abut against the metal part 100, the support plate 311 is provided with several detection mechanisms 600 for detecting whether the first partition plate 322 and the second partition plate 323 have moved to the correct position before mold closing. Each detection mechanism 600 includes a mounting plate 610 detachably connected to the support plate 311, a second drive unit 620 located at the top of the mounting plate 610, a sensor 630 located on the second drive unit 620, and a pin 640 connected to the second drive unit 620. When the second partition plate 323 also moves away from the center plate 321, the second drive unit 620 can drive the pin 640 to insert into the gap between the first partition plate 322 and the second partition plate 323. After the first partition plate 322 and the second partition plate 323 have completed their movement, the second drive unit 620 is activated, driving the pin 640 to move and extend between the first partition plate 322 and the second partition plate 323. This indicates that each partition plate has reached the correct position, and the upper mold 400 can be smoothly operated to descend for mold closing. If the pin 640 cannot be inserted, an alarm is triggered to alert the operator. After the first partition plate 322 and the second partition plate 323 expand and abut against the metal part 100, the support plate 311 is equipped with several detection mechanisms 600 to detect whether the first partition plate 322 and the second partition plate 323 have moved to the correct position before mold closing. Each detection mechanism 600 includes a mounting plate 610 screwed to the support plate 311, a second drive unit 620 located at the top of the mounting plate 610, a sensor 630 located on the second drive unit 620, and a pin 640 connected to the second drive unit 620. When the second partition plate 323 also moves away from the center plate 321, the second drive unit 620 can drive the pin 640 to insert into the gap between the first partition plate 322 and the second partition plate 323. After the first partition plate 322 and the second partition plate 323 have completed their movement, the second drive unit 620 is activated, driving the pin 640 to move and extend between the first partition plate 322 and the second partition plate 323. If the pin 640 can be inserted smoothly, it indicates that each partition plate has reached the correct position and can perform mold closing. If the pin 640 cannot be inserted, an alarm is triggered to remind the operator, allowing for timely detection of problems and appropriate measures to be taken, avoiding erroneous operations and improving the safety of the production process.

[0045] The first drive unit 340 and the second drive unit 620 use cylinders, which have relatively stable output force and fast response speed.

[0046] Please see Figure 10The upper die 400 comprises an upper die plate 410, a rubber coating layer 420 arranged at the lower end of the upper die plate 410, and a plurality of pressing mechanisms 430 connected with the upper die plate 410. The rubber coating layer 420 has a recessed area 421 recessed towards the direction away from the lower die 300. When the upper die 400 and the lower die 300 are closed, the plurality of profiling grooves 325 will surround the recessed area 421 in the top view. When the upper die 400 is lowered to be closed, the recessed area 421 can avoid the area of the lower die 300 where the plastic part 200 is arranged, so that the pressure is concentrated at the connecting position of the metal part 100 and the plastic part 200 during hot pressing, which is beneficial to improve the connecting strength and quality between the metal part 100 and the plastic part 200, and avoids the dispersion of pressure in other unnecessary areas.

[0047] Please continue to refer to Figure 10 The recessed area 421 is provided with a plurality of avoiding holes 4211 which can avoid the second positioning pin 332B when the die is closed, and is also provided with a plurality of positioning holes 440 penetrating through the recessed area 421 and the upper die plate 410, which are used for positioning when the die is closed. In order to avoid interference during closing, the upper die plate 410 and the rubber coating layer 420 are also provided with avoiding notches 450 for avoiding the positioning block 332A.

[0048] The pressing mechanism 430 is used for pressing the plastic part 200 in the Mylar antenna groove 110 of the metal part 100, and providing a pressing force to the plastic part 200 in the groove, so as to prevent the plastic part 200 from protruding out of the groove during hot pressing, which affects the installation of the Mylar antenna.

[0049] Please refer to Figure 11 , Figure 12 and Figure 13 The pressing mechanism 430 comprises a support plate 431 detachably connected with the upper die plate 410, a third driving unit 432 arranged on the support plate 431, a side pushing block 433 connected with the third driving unit 432, a pressing block 434 mounted on the upper die plate 400, and a reset spring 435 having one end connected with the pressing block 434 and the other end connected with the upper die plate 400. The side pushing block 433 has a pressing portion 4330 horizontally protruding towards the direction away from the third driving unit 432, and the lower end surface of the pressing portion 4330 is an inclined pressing surface. The upper end of the pressing block 434 is provided with a matching groove 4341A matched with the pressing portion 4330. The third driving unit 432 can drive the pressing portion 4330 to enter / exit the matching groove 4341A. When the pressing portion 4330 enters the matching groove 4341A, the lower end of the pressing block 434 can enter the Mylar antenna groove 110 on the metal part 100. When the pressing portion 4330 exits the matching groove 4341A, the pressing block 434 can exit the Mylar antenna groove 110 under the action of the reset spring 435. Figure 14The pressing block 434 comprises a pressing block body 4341, two side wings 4342 respectively fixed on both sides of the pressing block body 4341, a variable cross-section section 4343 fixed on the lower end of the pressing block body 4341, and an insertion section 4344 fixed on the lower end of the variable cross-section section 4343, an installation position for installing the pressing block 434 is arranged on the upper die 400 plate, a return spring 435 is arranged between the installation position and the side wing 4342, the installation position is further provided with an installation cavity for installing the insertion section 4344, the variable cross-section section 4343 and part of the pressing block main body, after the pressing part 4330 enters the matching groove 4341A, the insertion section 4344 can enter the Mylar antenna groove 110 on the metal part 100 to press and hold the plastic part 200 in the groove. The third driving unit 432 preferably adopts a pneumatic cylinder, which generally has high reliability and stability and can maintain stable working performance for a long time. The side pushing block 433 and the pressing block 434 connected with the third driving unit 432 cooperate with each other, which can ensure that the force transmission during the pressing process is more stable and reliable. Compared with the structure of simply designing a spring connection pressing block in the upper die 400, the pressing failure problem caused by component failure or performance decline is reduced, and the reliability of the whole pressing mechanism 430 is improved.

[0050] The hot pressing jig has the following advantages: 1. The inclined engagement mechanism is adopted to connect the first sub-plate 322 and the second sub-plate 323, so that the movement heights of the two sub-plates are highly synchronized, the effect of synchronously approaching or expanding the sub-plates constituting the profiling boss 324 is better, the jig structure is simplified, the layout and connection of the driving mechanism are reduced, and the cost is saved. 2. The detection mechanism 600 on the support plate body 311 can detect the position of the sub-plate before the mold is closed. The bolt 640 can judge whether the sub-plate is in place. If the bolt cannot be inserted, the worker can take measures to avoid incorrect operation and improve production safety. 3. The third driving unit 432 of the pressing mechanism 430 drives the side pushing block 433 and the pressing block 434 to cooperate, so that the pressing block 434 can be flexibly controlled to enter and exit the Mylar antenna groove 110. Compared with the structure of a traditional spring connection pressing block, the reliability is higher, and the plastic part 200 can be effectively prevented from protruding to affect the installation of the Mylar antenna during hot pressing.

[0051] The above is only an embodiment of the present application, and does not limit the patent range of the present application. Any equivalent structure, direct or indirect application in other related technical fields according to the content of the present application specification and drawings is also within the patent protection range of the present application.

Claims

1. A hot press jig for a notebook A case for fixing a metal piece and a plastic piece of the A case, characterized by, The application relates to a die set for die casting, comprising: a lower die, which comprises a lower die base, a profiling plate arranged on the lower die base and used for carrying a metal piece and a plastic piece, a positioning mechanism connected with the lower die base and used for positioning the workpiece carried on the profiling plate, and a plurality of first driving units; the profiling plate comprises a center plate and a plurality of first sub-plates and second sub-plates distributed around the center plate; protrusions on the first sub-plates and the second sub-plates can be combined into a profiling boss which is matched with the shape of the metal piece and is used for carrying the metal piece; profiling grooves are arranged on the protrusions and are matched with the shape of the plastic piece and are used for carrying the plastic piece; the first sub-plates are connected with the first driving units one by one; a bevel joint mechanism is arranged between adjacent first sub-plates and second sub-plates; when the first driving units drive the first sub-plates to move towards the center plate, the bevel joint mechanism can drive the second sub-plates to move towards the center plate; when the first driving units drive the first sub-plates to move away from the center plate, the bevel joint mechanism can drive the second sub-plates to move away from the center plate; an upper die arranged above the lower die and matched with the lower die.

2. The notebook A case hot press jig according to claim 1, characterized by: All the bevel joint mechanisms comprise two protruding lugs arranged on the first sub-plates and inclined, a recess groove arranged on the second sub-plates and matched with the positions of the protruding lugs and capable of being matched with the protruding lugs in the corresponding positions, and a plurality of bevel block assemblies; the protruding lugs are integrally protruded from one end of the first sub-plates close to the center plate towards the center plate; the side walls on both sides of the protruding lugs are defined as a first inclined side wall and a second inclined side wall; the side wall corresponding to the first inclined side wall of the recess groove is defined as a third inclined side wall, and the side wall corresponding to the second inclined side wall is defined as a fourth inclined side wall; one bevel block assembly is arranged between the first inclined side wall and the third inclined side wall and between the second inclined side wall and the fourth inclined side wall; the bevel block assembly comprises a first bevel friction block embedded on the first inclined side wall or the second inclined side wall and a second bevel friction block embedded on the third inclined side wall or the fourth inclined side wall; the first bevel friction block has a first inclined surface located outside the first inclined side wall or the second inclined side wall; the second bevel friction block has a second inclined surface located outside the third inclined side wall or the fourth inclined side wall; when the first driving units drive the first sub-plates to move towards the center plate, the first inclined surface outside the first inclined side wall can be in contact with the corresponding second inclined surface, thereby driving the second sub-plates to move towards the center plate; when the first driving units drive the first sub-plates to move away from the center plate, the first inclined surface outside the second inclined side wall can be in contact with the corresponding second inclined surface, thereby driving the second sub-plates to move away from the center plate.

3. The notebook A case hot press jig according to claim 2, characterized by: The first sub-plate and the second sub-plate are connected with the center plate through a plurality of guide blocks near one end of the center plate, and the guide blocks are used for guiding the moving direction of the first sub-plate and the second sub-plate. The first sub-plate and the second sub-plate are provided with a plurality of limiting blocks at one end away from the center plate, and the limiting blocks are used for limiting the maximum displacement distance of the corresponding first sub-plate or second sub-plate when the first sub-plate and the second sub-plate move away from the center plate.

4. The notebook A case hot press jig according to claim 3, characterized by: The lower die seat comprises a support plate arranged at the lower end of the profiling plate, two support feet arranged at the lower end of the support plate and spaced apart, and a ejection mechanism arranged below the support plate; the ejection mechanism comprises an ejection plate arranged between the two support feet and a plurality of ejection pins connected with the ejection plate at one end and capable of penetrating through the support plate and the profiling groove at the other end.

5. The notebook A case hot press jig according to claim 4, characterized by: The support plate is provided with a plurality of detection mechanisms, and each detection mechanism comprises a mounting plate detachably connected with the support plate, a second driving unit arranged at the top end of the mounting plate, a sensor arranged on the second driving unit, and a latch connected with the second driving unit; when the second sub-plate also moves towards the direction away from the center plate, the second driving unit can drive the latch to be inserted into the gap between the first sub-plate and the second sub-plate.

6. The notebook A case hot press jig according to claim 5, characterized by: The first driving unit and the second driving unit are air cylinders.

7. The notebook A case hot press jig according to claim 4, characterized by: The positioning mechanism comprises a plurality of first positioning pins arranged on the profiling plate and capable of penetrating through the profiling groove, and a positioning assembly for positioning the metal piece, the positioning assembly comprising two positioning blocks arranged on the support plate and distributed around the edge of the profiling boss, and a plurality of second positioning pins arranged on the center plate.

8. The notebook A case hot press jig according to any one of claims 1 to 7, characterized by: The upper die comprises an upper die plate, a rubber coating layer arranged at the lower end of the upper die plate, and a plurality of pressing mechanisms connected with the upper die plate, the rubber coating layer has a recessed area recessed towards the direction away from the lower die; when the upper die and the lower die are closed, in the top view, a plurality of profiling grooves surround the recessed area; The pressing mechanism is used for pressing the plastic part located in the Mylar antenna groove of the metal piece.

9. The notebook A case hot press jig according to claim 8, characterized by: The pressing mechanism comprises a support plate detachably connected with the upper die plate, a third driving unit arranged on the support plate, a side pushing block connected with the third driving unit, a pressing block mounted on the upper die plate, and a return spring connected with the pressing block at one end and connected with the upper die plate at the other end, the side pushing block has a pressing part horizontally protruding towards the direction away from the third driving unit, and the lower end surface of the pressing part is an inclined pressing surface, the upper end of the pressing block is provided with a matching groove matched with the pressing part, and the third driving unit can drive the pressing part to enter / exit the matching groove; when the pressing part enters the matching groove, the lower end of the pressing block can enter the Mylar antenna groove on the metal piece; when the pressing part exits the matching groove, the pressing block can exit the Mylar antenna groove under the action of the return spring.

10. The notebook A case hot press jig according to claim 9, characterized by: The pressing block comprises a block body, two side wings respectively fixed on both sides of the block body, a variable cross-section section fixed on the lower end of the block body, and an insertion section fixed on the lower end of the variable cross-section section; an installation site for installing the pressing block is formed on the upper die plate; the reset spring is arranged between the installation site and the side wings; the installation site is further provided with an installation cavity for installing the insertion section, the variable cross-section section and part of the block body; after the pressing part enters the matching groove, the insertion section can enter the Mylar antenna groove on the metal part to press and hold the plastic part in the groove.

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