CN117189736A - Pressure maintaining equipment and pressure maintaining method - Google Patents

Abstract

The invention relates to the technical field of 3C product production, and particularly discloses pressure maintaining equipment and a pressure maintaining method, wherein in the pressure maintaining equipment, a feeding assembly is arranged on a frame and used for providing a product to be pressed, the product to be pressed comprises a first workpiece and a second workpiece arranged on the upper side of the first workpiece, and a film is adhered between the first workpiece and the second workpiece; the preheating component is arranged on the frame and can move between a material receiving position and a pressure maintaining position, and the preheating component can generate heat to heat and activate the film in the process of moving from the material receiving position to the pressure maintaining position; the mechanical arm is arranged on the frame and used for transferring the product to be pressed positioned on the feeding assembly to the preheating assembly positioned on the receiving position; the pressure maintaining assembly is arranged on the frame and used for pressing the second workpiece at the pressure maintaining position on the first workpiece. The arrangement reduces the pressure maintaining time of the whole pressure maintaining process and improves the pressure maintaining efficiency.

Description

Pressure maintaining equipment and pressure maintaining method

Technical Field

The invention relates to the technical field of 3C product production, in particular to pressure maintaining equipment and a pressure maintaining method.

Background

In the product assembly process of the information home appliance industry integrating computers, communication and consumer electronics, two parts are required to be pasted and then packaged. An adhesive is provided on one of the components, and then the two components are connected by the adhesive. In general, after the pre-bonding of the two parts is completed, continuous pressure is applied to the two parts to maintain the pressure, so as to ensure the tightness and the waterproofness between the two parts.

Generally, glue needs to be manually coated on one part, then the other part is attached to the part coated with the glue, and finally two parts needing pressure maintaining are placed in pressure maintaining equipment for pressure maintaining treatment; the consistency of glue amount cannot be ensured by manual gluing, so that redundant glue is easy to occur between parts to influence the product quality, or the glue is less to cause the part to be bonded insecurely. For this reason, a method of attaching a film between two workpieces has appeared, but the film is set so that, when the pressure is maintained, it is necessary to preheat it to heat and activate the film, and then the part is moved to the pressure maintaining place for pressure maintaining treatment. The preheating process requires additional time, so that the time required by the whole pressure maintaining process is prolonged, and the pressure maintaining efficiency is reduced.

Disclosure of Invention

The invention aims to provide pressure maintaining equipment so as to solve the problems of long pressure maintaining time and low pressure maintaining efficiency caused by the process of preheating a film.

In order to achieve the above purpose, the invention adopts the following technical scheme:

in one aspect, the present invention provides a pressure maintaining apparatus comprising:

a frame;

the feeding assembly is arranged on the frame and used for providing a product to be pressed, the product to be pressed comprises a first workpiece and a second workpiece arranged on the upper side of the first workpiece, and a film is stuck between the first workpiece and the second workpiece;

the preheating component is arranged on the rack and can move between a material receiving position and a pressure maintaining position, and the preheating component can generate heat to heat and activate the film in the process of moving from the material receiving position to the pressure maintaining position;

the mechanical arm is arranged on the frame and is used for transferring the product to be pressed positioned on the feeding assembly to the preheating assembly positioned on the receiving position;

the pressure maintaining assembly is arranged on the frame and used for pressing the second workpiece at the pressure maintaining position on the first workpiece.

In some embodiments, the feeding assembly includes a feeding streamline, a discharging streamline, a lifting member, a material taking member and a bearing table, the feeding streamline is arranged on the frame and is used for conveying a material rack from a feeding position to the lifting member along an X direction, at least two products to be pressed are arranged on each material rack along a Z direction at intervals, the lifting member is arranged on the frame, the lifting member moves between a feeding end and a discharging initial end along the Z direction, the lifting member is positioned on the feeding end and can receive the material rack from the feeding streamline, the lifting member is positioned on the discharging initial end and can move the material rack to the discharging streamline, the discharging streamline is arranged on the frame and is used for moving the material rack to the discharging position along the X direction, the bearing table and the lifting member are arranged along a Y direction at intervals, the material rack moves to the material taking end in the process of the discharging initial end, and the material taking end is used for moving the material taking rack to the bearing table one by one.

In some embodiments, the pressure maintaining assembly includes a first pressure maintaining moving module, a second pressure maintaining moving module, a pressure maintaining seat and a pressure maintaining head, the first pressure maintaining moving module is arranged on the frame, the second pressure maintaining moving module is arranged at the output end of the first pressure maintaining moving module, the pressure maintaining seat is arranged at the output end of the second pressure maintaining moving module, the pressure maintaining head is arranged at the floating position of the pressure maintaining seat, the output end of the first pressure maintaining moving module can move along the X direction, and the output end of the second pressure maintaining moving module can move along the Z direction.

In some embodiments, the second workpieces are at least two, at least two second workpieces are all arranged on the upper side of the first workpiece, and one film is arranged between each second workpiece and the first workpiece;

the pressure maintaining assembly is provided with at least two pressure maintaining heads, and at least two pressure maintaining heads are mutually independent and are arranged at intervals and are arranged in one-to-one correspondence with at least two second workpieces.

In some embodiments, the pressure maintaining seat comprises a connecting seat, a fixing seat and a mounting seat, wherein the fixing seat is provided with a containing groove, the mounting seat is provided with a mounting groove and a sliding channel communicated with the mounting groove, the sliding channels are in one-to-one correspondence with the containing grooves, the fixing seat is connected with the connecting seat, the mounting seat is connected with the fixing seat, an installation cavity is formed between the fixing seat and the mounting seat, the pressure maintaining head is slidably arranged on the sliding channel, one end of a first elastic piece is connected with the pressure maintaining head, and the other end of the pressure maintaining head is positioned in the containing groove.

In some embodiments, the pressure maintaining base further comprises a heat insulating plate, and the heat insulating plate is arranged between the connecting base and the fixing base.

In some embodiments, the preheating component comprises a preheating moving module, a preheating rotating module, a preheating platform and a pressing component, the preheating rotating module is arranged at the output end of the preheating moving module, the preheating platform is arranged at the output end of the preheating rotating module, a thermocouple for generating heat is arranged inside the preheating platform, the pressing component is arranged at the preheating platform and used for pressing the product to be pressed on the preheating platform, the output end of the preheating moving module can move along the Y direction, and the output end of the preheating rotating module can rotate around the Z direction.

In some embodiments, the pressure maintaining device comprises a lower CCD camera, wherein the lower CCD camera is arranged on the rack and is used for shooting the pressure maintaining head upwards;

the pressure maintaining equipment comprises an upper CCD camera, and the upper CCD camera is arranged at the output end of the first pressure maintaining mobile module and is used for shooting the second workpiece and the first workpiece downwards.

In some embodiments, the pressure maintaining assembly is provided with two pressure maintaining heads, the pressure maintaining heads of the pressure maintaining assembly can move between a pressure maintaining position and an avoidance position, the preheating assembly is provided with two pressure maintaining assemblies and is in one-to-one correspondence with the two pressure maintaining assemblies, the avoidance position is located between the two pressure maintaining positions, and the lower CCD camera is located at the avoidance position and is used for shooting the pressure maintaining heads of the two pressure maintaining assemblies.

In another aspect, the present invention provides a pressure maintaining method, which is suitable for the pressure maintaining apparatus in any one of the above schemes, and includes the following steps:

s1, a mechanical arm moves a product to be pressed positioned in a feeding assembly to a preheating assembly positioned in a receiving position, wherein the product to be pressed comprises a first workpiece, a second workpiece and a film clamped between the first workpiece and the second workpiece;

s2, heating and activating the film between the first workpiece and the second workpiece in the process that the preheating assembly moves to the pressure maintaining position;

s3, the pressure maintaining component presses the second workpiece on the first workpiece, and the pressure maintaining is continued for a preset time.

The beneficial effects of the invention are as follows:

the invention provides a pressure maintaining device and a pressure maintaining method, wherein the pressure maintaining device is provided with a movable preheating component, so that the preheating component can move between a material receiving position and a pressure maintaining position, when a product to be pressed is placed on the preheating component at the material receiving position, the preheating is started at a moment, when the preheating component moves to the pressure maintaining position, the preheating is finished, then the pressure maintaining component is used for carrying out pressure maintaining treatment on the product to be pressed, which is preheated and activated, without independent preheating, thereby reducing the pressure maintaining time of the whole pressure maintaining process and improving the pressure maintaining efficiency.

Drawings

FIG. 1 is a schematic diagram of a structure of a voltage-maintaining device according to a first view angle of an embodiment of the present invention;

FIG. 2 is a schematic diagram of a structure of a voltage-maintaining device according to a second view angle of the embodiment of the invention;

FIG. 3 is a schematic structural diagram of a feeding assembly according to an embodiment of the present invention;

FIG. 4 is a schematic view of the structure of the lifting member and the material taking member according to the embodiment of the present invention;

FIG. 5 is a schematic diagram of a preheating assembly according to an embodiment of the present invention;

FIG. 6 is a schematic view of a partial structure of a preheating assembly according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a pressure maintaining assembly according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of a partial structure of a voltage protection assembly according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of a pressure retaining seat according to an embodiment of the present invention;

FIG. 10 is a schematic diagram of a partial structure of a pressure-maintaining seat according to an embodiment of the present invention;

fig. 11 is a schematic structural diagram of a mounting seat according to an embodiment of the invention.

In the figure:

1000. a product to be pressed;

100. a frame;

200. a feeding assembly; 210. a feeding streamline; 211. intercepting the driving member; 212. an interceptor; 220. a blanking streamline; 230. a lifting member; 231. a lifting driving member; 232. a transmission belt; 233. a movable stopper; 234. a stopper driving member; 235. fixing the stop piece; 240. a material taking member; 241. clamping the driving member; 242. a clamping jaw cylinder; 243. a clamping piece; 250. a carrying platform; 251. a roller; 260. a material rack; 261. a carrying groove;

300. a preheating assembly; 310. preheating the mobile module; 320. preheating the rotating module; 330. preheating a platform; 340. a compression assembly; 341. compressing the driving piece; 342. compressing the rotating rod; 343. a deflector rod; 344. a second elastic member; 345. a pressing member; 350. a thermal insulation platform; 360. a heat insulating member; 370. a blowing member;

400. a manipulator;

500. a pressure maintaining assembly; 510. a first pressure-maintaining mobile module; 520. a second pressure maintaining mobile module; 530. a pressure maintaining seat; 531. a connecting seat; 532. a fixing seat; 5321. a receiving groove; 533. a mounting base; 5331. a mounting groove; 5332. a sliding channel; 534. a heat insulating plate; 540. a pressure maintaining head; 541. a fixed block; 542. a first elastic member; 550. a CCD camera is arranged; 560. and a lower CCD camera.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

Example 1

As shown in fig. 1 to 11, the present embodiment provides a pressure maintaining apparatus including a frame 100; the feeding device comprises a feeding assembly 200, a preheating assembly 300, a manipulator 400 and a pressure maintaining assembly 500, wherein the feeding assembly 200 is arranged on a frame 100, the feeding assembly 200 is used for providing a product 1000 to be pressed, the product 1000 to be pressed comprises a first workpiece and a second workpiece positioned on the upper side of the first workpiece, and a film is stuck between the first workpiece and the second workpiece; the preheating component 300 is arranged on the frame 100 and can move between a material receiving position and a pressure maintaining position, and the preheating component 300 can generate heat to heat and activate the film in the process of moving from the material receiving position to the pressure maintaining position; the manipulator 400 is arranged on the frame 100 and is used for transferring the product 1000 to be pressed positioned on the feeding assembly 200 to the preheating assembly 300 positioned on the receiving position; the pressure maintaining assembly 500 is disposed on the frame 100, and the pressure maintaining assembly 500 is configured to press the second workpiece located at the pressure maintaining position against the first workpiece. Wherein activation is to melt the glue on the film.

The pressure maintaining device is provided with the movable preheating component 300, so that the preheating component 300 can move between the material receiving position and the pressure maintaining position, when the product 1000 to be pressed is placed on the preheating component 300 at the material receiving position, preheating is started at a moment, when the preheating component 300 moves to the pressure maintaining position, preheating is finished, then the product 1000 to be pressed, which is preheated and is activated, is subjected to pressure maintaining treatment through the pressure maintaining component 500, and independent preheating is not needed, so that the pressure maintaining time of the whole pressure maintaining process is reduced, and the pressure maintaining efficiency is improved.

The preheating assembly 300 is movable in the Y direction between a receiving position and a dwell position.

Regarding the structure of the feeding assembly 200, in this embodiment, the feeding assembly 200 includes a feeding streamline 210, a discharging streamline 220, a lifting member 230, a material taking member 240 and a bearing table 250, the feeding streamline 210 is disposed on the frame 100 and is used for conveying the material taking member 260 from the feeding position to the lifting member 230 along the X direction, at least two products 1000 to be pressed are disposed on each material taking member 260 along the Z direction at intervals, the lifting member 230 is disposed on the frame 100, the lifting member 230 moves between the feeding end and the discharging start end along the Z direction, the lifting member 230 is located at the feeding end and can receive the material taking member 260 from the feeding streamline 210, the lifting member 230 can move the material taking member 260 to the discharging streamline 220 when located at the discharging start end, the discharging streamline 220 is disposed on the frame 100 and is used for moving the material taking member 260 to the discharging position along the X direction, the material taking member 240 and the bearing table 250 are disposed on the frame 100, the bearing table 250 and the lifting member 230 are disposed at intervals along the Y direction, and the material taking member 260 moves to the discharging start end in the process, and the output end of the material taking member 240 is used for moving the products 1000 to be pressed to the bearing table 250 along the Y direction. By means of the arrangement, the material rest 260 completes the movement of all the products 1000 to be pressed from the feeding streamline 210 to the discharging streamline 220 one by one, the whole structure is simple, the whole set of movement is coherent, no redundant movement exists, and the smoothness and the energy conservation of the feeding process are greatly improved.

In this embodiment, the manipulator 400 is used to move the product 1000 to be pressed on the carrying platform 250 to the preheating component 300 located at the receiving position.

Illustratively, each material rack 260 is provided with a plurality of carrying grooves 261 extending along the Y direction, and each carrying groove 261 is internally provided with one product 1000 to be pressed; when the lifting piece 230 is positioned at the loading end position, the bottom of the lowest bearing groove 261 is coplanar with the bearing surface of the bearing table 250; when the lifting member 230 is located at the discharging start position, the bottom of the uppermost carrying groove 261 is coplanar with the carrying surface of the carrying table 250. The above arrangement makes each material rack 260 have a plurality of products 1000 to be pressed at intervals along the Z direction, when the material rack 260 moves from the feeding streamline 210 to the lifting member 230 at the feeding end, the bottom surface of the lowermost product 1000 to be pressed is flush with the bearing surface of the bearing table 250, the material taking member 240 can draw out the lowermost product 1000 to be pressed and move to the bearing table 250, then the lifting member 230 descends for a certain displacement, so that the bottom surface of the second product 1000 to be pressed from the lower side is flush with the bearing surface of the bearing table 250, the manipulator 400 transfers the product 1000 to be pressed on the bearing table 250 to the preheating assembly 300 in the process of descending the lifting member 230, after the lifting member 230 descends, the bearing table 250 is empty, the material taking member 240 draws out the second product 1000 to be pressed to the bearing table 250, and so on until the lifting member 230 moves to the position of the starting end, at this time, the bottom surface of the uppermost product 1000 to be pressed is flush with the bearing surface of the bearing table 250, the uppermost product 1000 to be pressed is moved to the bearing table 250, and then the lifting member 230 moves to the lifting member 250 to the empty.

Ten or twenty carrying grooves 261 are provided in each material rack 260 at intervals. In other embodiments, the number of carrying slots 261 may be greater. Optionally, a rolling wheel is provided on the lower side wall of the carrying groove 261, and the product 1000 to be pressed is placed on the rolling wheel. The above arrangement provides rolling friction between the product 1000 to be pressed and the rolling wheel.

The loading streamline 210 is located above the unloading streamline 220, the loading opening is just opposite to the loading streamline 210, a worker can place a fully loaded material rest 260 on the loading streamline 210 at the loading opening, the loading opening is located at a position above the frame 100, loading is facilitated, and the loading process is safer.

The interception driving piece 211 is arranged on the streamline support of the feeding streamline 210, the interception piece 212 is arranged at the output end of the interception driving piece 211, the interception driving piece 211 is used for driving the interception piece 212 to move between a stop position and a yielding position, and the interception piece 212 at the stop position can stop the material rack 260 on the feeding streamline 210 to move forwards. With the above arrangement, the movement of the material rest 260 is hard limited, so that the material rest 260 is prevented from continuing to move forward under the inertia effect after the material loading streamline 210 stops.

The lifting driving member 231 is disposed on the frame 100, and an output end of the lifting driving member 231 is connected to the lifting member 230 and is used for driving the lifting member 230 to move between a feeding end and a discharging start. The lift drive 231 is located on a side of the lift 230 remote from the loading streamline 210.

The lifting member 230 is provided with a driving belt 232, the driving belt 232 can rotate positively and negatively, when the lifting member 230 is positioned at the feeding end, the driving belt 232 rotates positively so as to be capable of receiving the material rack 260 from the feeding streamline 210, and when the lifting member 230 is positioned at the discharging initial end, the driving belt 232 rotates reversely so as to be capable of transferring the material rack 260 to the discharging streamline 220. The lifting member 230 is further provided with a driving wheel, a driven wheel and a transmission driving member, the driving wheel and the driven wheel are both rotatably arranged on the lifting member 230, the transmission belt 232 is wound around the peripheries of the driving wheel and the driven wheel, and the transmission driving member is arranged on the lifting member 230 and is in transmission connection with the driving wheel.

In some embodiments, to ensure stability of the lowering process of the material rack 260, the lifting member 230 is further provided with a fixed stopper 235, a movable stopper 233 and a stopper driving member 234, the fixed stopper 235 is disposed on the lifting member 230 and located at one side of the material rack 260, the stopper driving member 234 is disposed on the lifting member 230 and located at the other side of the material rack 260, the movable stopper 233 is disposed at an output end of the stopper driving member 234, and the stopper driving member 234 is used for driving the movable stopper 233 to approach or separate from the fixed stopper 235. The above arrangement enables the material rack 260 to be clamped between the movable stopper 233 and the fixed stopper 235, thereby avoiding shaking during the descending process and improving the descending stability. A rubber pad is provided on the side of the movable stopper 233 near the material rack 260. A rubber pad is provided on the side of the fixed stopper 235 near the material frame 260. In this embodiment, the hardness of the rubber pad on the fixed stopper 235 is greater than the hardness of the rubber pad on the movable stopper 233. This arrangement allows the distance between the work piece carrier 260 and the fixed stop 235 to be effectively controlled, thereby improving the positional accuracy of the clamped work piece carrier 260.

The material taking part 240 comprises a clamping driving part 241, a clamping jaw air cylinder 242 and two clamping pieces 243, wherein the clamping driving part 241 is arranged on the frame 100, the clamping jaws are arranged at the output ends of the clamping driving part 241, the two clamping pieces 243 are respectively arranged at the two output ends of the clamping jaw air cylinder 242, the clamping driving part 241 is used for driving the clamping jaw air cylinder 242 to move between a clamping position and a releasing position, the clamping jaw air cylinder 242 at the clamping position can clamp a product 1000 to be pressed in the material frame 260 through the clamping pieces 243, and the clamping jaw air cylinder 242 at the releasing position can place the product 1000 to be pressed on the bearing table 250. In other embodiments, jaw cylinder 242 and clip 243 may be replaced with suction cups. Specifically, the chuck structure and the clamping piece 243 structure can be combined with the structure of the first workpiece to perform shape following processing.

The carrier 250 has two rows of rollers 251, one side of the product 1000 to be pressed is placed on one row of rollers 251, and the other side is placed on the other row of rollers 251. The arrangement enables the product 1000 to be pressed to roll on the roller 251, the rolling friction is smaller than the sliding friction, and the product 1000 to be pressed is effectively prevented from being scratched.

The pressure maintaining assembly 500 comprises a first pressure maintaining moving module 510, a second pressure maintaining moving module 520, a pressure maintaining seat 530 and a pressure maintaining head 540, wherein the first pressure maintaining moving module 510 is arranged on the frame 100, the second pressure maintaining moving module 520 is arranged at the output end of the first pressure maintaining moving module 510, the pressure maintaining seat 530 is arranged at the output end of the second pressure maintaining moving module 520, the pressure maintaining head 540 is arranged at the floating position of the pressure maintaining seat 530, the output end of the first pressure maintaining moving module 510 can move along the X direction, and the output end of the second pressure maintaining moving module 520 can move along the Z direction. The above arrangement enables relative movement between the dwell head 540 and the product 1000 to be pressed in three dimensions, thereby enabling the dwell head 540 to be accurately ballasted on the product 1000 to be pressed.

In some embodiments, the second workpieces are provided with at least two, at least two second workpieces are all arranged on the upper side of the first workpiece, and a film is arranged between each second workpiece and the first workpiece. The pressure maintaining assembly 500 is provided with at least two pressure maintaining heads 540, and the at least two pressure maintaining heads 540 are mutually independent and are arranged at intervals and are arranged in one-to-one correspondence with the at least two second workpieces. The mutually independent pressure maintaining heads 540 enable each second workpiece to be subjected to pressure, so that the occurrence of the condition of overpressure or underpressure of one second workpiece is avoided, and the success rate of pressure maintaining is improved.

Regarding the mechanism of the pressure maintaining base 530, in this embodiment, the pressure maintaining base 530 includes a connecting base 531, a fixing base 532 and a mounting base 533, the fixing base 532 is provided with a receiving slot 5321, the mounting base 533 is provided with a mounting slot 5331 and a sliding channel 5332 communicating with the mounting slot 5331, the sliding channel 5332 and the receiving slot 5321 are arranged in a one-to-one correspondence manner, the fixing base 532 is connected with the connecting base 531, the mounting base 533 is connected with the fixing base 532, a mounting cavity is formed between the fixing base 532 and the mounting base 533, the pressure maintaining head 540 is slidably arranged in the sliding channel 5332, one end of the first elastic member 542 is connected with the pressure maintaining head 540, and the other end is located in the receiving slot 5321. The retaining head 540 is movable between an extended position and a retracted position, and the first resilient member 542 is used to drive the retaining head 540 to stop in the extended position. The dwell head 540 in the ballasting position can ballast the product 1000 to be pressurized in the dwell position. The ballasting position is located between the extended position and the retracted position. The arrangement is such that the pressure of the pressure maintaining head 540 is provided by the first elastic member 542, and the situation that the second workpiece and even the first workpiece are crushed due to overpressure is avoided. In this embodiment, the first elastic member 542 is a spring, one end of the mounting cavity of the pressure maintaining head 540 is connected with a fixing block 541, the outer diameter of the fixing block 541 is greater than the outer diameter of the sliding channel 5332, and greater than the inner diameter of the spring, one end of the fixing block 541, which is far away from the pressure maintaining head 540, is provided with a connecting protrusion, one end of the spring is sleeved on the connecting protrusion, and the other end of the spring is inserted into the accommodating groove 5321. The above arrangement prevents withdrawal of the retention head 540 from the slide channel 5332.

To avoid heat transfer to the second movable pressure maintaining module during the pressure maintaining process, in some embodiments, the pressure maintaining base 530 further includes a heat insulation board 534, and the heat insulation board 534 is disposed between the connecting base 531 and the fixing base 532.

The adapter plate is disposed between the insulating plate 534 and the fixing base 532. So as to facilitate the connection between the insulating panel 534 and the anchor 532. The mounting cavity arrangement reduces the rate of heat dissipation, thereby reducing the amount of heat transferred to the insulating panel 534, reducing the size or quality requirements for the insulating panel 534, and reducing costs. In addition, the setting of the adapter plate makes the accommodating groove 5321 on the fixing base 532 be replaced by an accommodating hole structure penetrating through the fixing base 532, so that the first elastic member 542 directly abuts against the adapter plate. The processing of accommodation hole is more convenient, has improved the machining efficiency of fixing base 532.

In this embodiment, the first workpiece is a first PCB, the second workpiece is a second PCB, and the shape of the press head of the holding head 540 is the same as the shape of the second PCB.

The preheating assembly 300 comprises a preheating moving module 310, a preheating rotating module 320, a preheating platform 330 and a compressing assembly 340, wherein the preheating rotating module 320 is arranged at the output end of the preheating moving module 310, the preheating platform 330 is arranged at the output end of the preheating rotating module 320, a thermocouple for generating heat is arranged inside the preheating platform 330, the compressing assembly 340 is arranged at the preheating platform 330 and used for compressing a product 1000 to be compressed on the preheating platform 330, the output end of the preheating moving module 310 can move along the Y direction, and the output end of the preheating rotating module 320 can rotate around the Z direction. With the above arrangement, the angular adjustment of the position transfer of the product 1000 to be pressed can be achieved, so that the holding head 540 and the ballasting of the second work piece are more accurate.

In this embodiment, a heat insulation platform 350 is disposed between the preheating platform 330 and the preheating rotary module 320, so as to prevent heat of the preheating platform 330 from being transferred to the preheating rotary module 320, thereby improving the heat utilization rate and avoiding heat waste. Further, the heat insulation pieces 360 are arranged around the preheating platform 330, so that the heat dissipation of the preheating platform 330 to the periphery is reduced, the waste of the heat is further avoided, and the heat utilization rate is improved. The heat shield 360 is disposed on the heat shield platform 350, the heat shield platform 350 and the heat shield 360 form a heat shield tank, and the preheating platform 330 is disposed in the heat shield tank.

In some embodiments, the preheating platform 330 has a square structure, and at least two temperature sensors are disposed on each side of the preheating platform 330 to monitor and adjust the temperature of each part in real time, so that the temperature of the preheating platform 330 is kept within a preset heating temperature range at all times, so as to ensure that each film can be heated and activated. Wherein, the thermocouples are provided in plurality, and the thermocouples are dispersedly arranged in the preheating platform 330.

The preheating platform 330 is provided with suction holes for sucking the product 1000 to be pressed. Wherein the suction holes are provided with at least three groups, the preheating platform 330 is provided with at least three groups of mutually independent air paths, and each group of air paths corresponds to one group of suction holes. The above arrangement enables the adsorption of the product 1000 to be pressed to be effectively ensured. Illustratively, the three sets of suction holes are defined as a first set of suction holes, a second set of suction holes, and a third set of suction holes, the first set of suction holes having at least four suction holes therein, the four suction holes being located on four sides of the preheating stage 330, respectively; the second group of suction holes are provided with at least four suction holes which are respectively positioned on four sides of the preheating platform 330; the third set of suction holes has at least four suction holes, which are located on four sides of the preheating platform 330, respectively. Even if only one set of suction holes can work normally, the firm connection of the product 1000 to be pressed on the preheating platform 330 can be ensured.

The compressing assembly 340 includes a compressing driving member 341, a compressing rotating rod 342, a driving lever 343, a second elastic member 344 and a compressing member 345, where the compressing driving member 341 is disposed on the preheating platform 330, the compressing rotating rod 342 is rotationally disposed on the preheating platform 330 and is in transmission connection with an output end of the compressing driving member 341, the driving lever 343 is fixedly disposed on the compressing rotating rod 342, one end of the compressing member 345 is hinged to the driving lever 343, the other end of the compressing member 345 is used for ballasting a product 1000 to be compressed, and the second elastic member 344 is disposed between the driving lever 343 and the compressing member 345 and is used for driving the compressing member 345 to compress the product 1000 to be compressed. The pressing driving member 341 drives the pressing rotating rod 342 to rotate, thereby driving the driving lever 343 to rotate, and when the driving lever 343 rotates above the product 1000 to be pressed, the other end of the pressing member 345 presses the product 1000 to be pressed under the action of the second elastic member 344.

In order to avoid impurities on the second workpiece during ballasting, which causes indentation or damage to the second workpiece during pressure maintaining, in this embodiment, the pressure maintaining apparatus further includes a blowing member 370, where the blowing member 370 is disposed on the frame 100, and is configured to blow the ion wind toward the product 1000 to be pressed located at the pressure maintaining position.

In order to further improve the alignment precision of the pressure maintaining head 540 and the second workpiece, in this embodiment, the pressure maintaining apparatus further includes a lower CCD camera 560 and an upper CCD camera 550, where the lower CCD camera 560 is disposed on the frame 100, and is used for photographing the pressure maintaining head 540 upwards to obtain the position of the pressure maintaining head 540; the upper CCD camera 550 is disposed at an output end of the first pressure-maintaining moving module 510, and is configured to photograph the second workpiece and the first workpiece downward, so as to obtain a position of the second workpiece relative to the first workpiece. The working principle of the CCD camera is well known to those skilled in the art, and will not be described herein.

In order to improve the pressure maintaining efficiency, the pressure maintaining assembly 500 is provided with two pressure maintaining heads 540 of the pressure maintaining assembly 500 capable of moving between a pressure maintaining position and an avoiding position, the preheating assembly 300 is provided with two pressure maintaining assemblies 500 in one-to-one correspondence, the avoiding position is located between the two pressure maintaining positions, and the lower CCD camera 560 is located at the avoiding position and is used for shooting the pressure maintaining heads 540 of the two pressure maintaining assemblies 500. The above arrangement can simultaneously hold pressure for two products 1000 to be pressed, in addition, when the products 1000 to be pressed are taken out after holding pressure is completed, the holding head 540 needs to be removed, and in this process, the holding head 540 needs to be moved to the position of the lower CCD camera 560, so that the calibration of the position can be completed.

The pressure maintaining equipment further comprises a finished product streamline, a transfer moving part, a pushing part and a finished product carrying platform which are arranged on the frame 100, when the pressure maintaining of the product 1000 to be pressed is completed, the preheated component 300 moves to a receiving position, the manipulator 400 moves the product 1000 to be pressed which completes the pressure maintaining to the finished product carrying platform, the transfer moving part is lifted along the Z direction and arranged on the frame 100 and can move between the finished product receiving position and the finished product transferring position, the pushing part can push the product 1000 to be pressed to the transfer moving part which is positioned at the finished product receiving position, the transfer moving part descends to the finished product transferring position, the product 1000 to be pressed is moved to the finished product streamline, and the finished product streamline moves the product 1000 to be pressed which completes the pressure maintaining to the outside of the equipment.

Wherein, the transfer moving member is equipped with the transfer line, and the transfer line can rotate along X direction. When the transfer moving member moves to the product transfer position, the transfer line is started, so that the product 1000 to be pressed moves to the product line.

In this embodiment, the transfer moving member is driven by the transfer Z-axis linear module. The two sides of the transfer line are respectively provided with a fixed clamping piece and a movable clamping piece, the movable clamping piece can be close to or far away from the fixed clamping piece, and the product 1000 to be pressed on the transfer line can be clamped between the fixed clamping piece and the movable clamping piece. The movable clamping piece is in transmission connection with a driving piece fixed on the transfer moving piece.

In this embodiment, any two of the X direction, the Y direction, and the Z direction are perpendicular to each other.

Example two

The embodiment also provides a pressure maintaining method, which comprises pressure maintaining equipment suitable for the scheme, and comprises the following steps:

s1, the mechanical arm 400 moves a product to be pressed 1000 positioned in the feeding assembly 200 to the preheating assembly 300 positioned in the receiving position, wherein the product to be pressed 1000 comprises a first workpiece, a second workpiece and a film clamped between the first workpiece and the second workpiece.

And S2, heating and activating the film between the first workpiece and the second workpiece in the process of moving the preheating assembly 300 to the pressure maintaining position.

S3, the pressure maintaining component 500 presses the second workpiece to the first workpiece, and maintains the pressure for a preset time. The method can complete heating and activating work on the film in the process of transferring the product 1000 to be pressed by the preheating component 300, and can directly perform pressure maintaining when the product 1000 to be pressed moves to the pressure maintaining position, thereby improving pressure maintaining efficiency. The preset time may be 60s.

Since the material rest 260 is provided with the plurality of bearing grooves 261 at intervals along the Z direction, a product 1000 to be pressed is placed in each bearing groove 261, the material loading assembly 200 transfers the material rest 260 to the lifting member 230, the lifting member 230 descends, and the material taking member 240 sequentially takes out the product 1000 to be pressed and moves the product to the bearing table 250. The whole process is only the process of moving the material rack 260 from the material loading assembly 200 to the material unloading streamline 220, no redundant structure is arranged, the process is simplified, and the material taking efficiency is improved.

The two sides of the material frame 260 are respectively provided with a plurality of bearing grooves 261, the bearing grooves 261 on the two sides are in one-to-one correspondence, and the openings of the two bearing grooves 261 which are opposite to each other in each group are oppositely arranged, and the two sides of the product 1000 to be pressed are respectively arranged in the two bearing grooves 261.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims (10)

1. A pressure maintaining apparatus, characterized by comprising:

a frame (100);

the feeding assembly (200) is arranged on the frame (100) and is used for providing a product (1000) to be pressed, the product (1000) to be pressed comprises a first workpiece and a second workpiece arranged on the upper side of the first workpiece, and a film is stuck between the first workpiece and the second workpiece;

a preheating assembly (300), wherein the preheating assembly (300) is arranged on the frame (100) and can move between a material receiving position and a pressure maintaining position, and the preheating assembly (300) can generate heat to heat and activate the film in the process of moving from the material receiving position to the pressure maintaining position;

the mechanical arm (400) is arranged on the frame (100) and is used for transferring the product (1000) to be pressed positioned on the feeding assembly (200) to the preheating assembly (300) positioned at the receiving position;

the pressure maintaining assembly (500), pressure maintaining assembly (500) are located frame (100), pressure maintaining assembly (500) are used for with be located the pressurize position the second work piece pressfitting in first work piece.

2. The pressure maintaining device according to claim 1, wherein the feeding assembly (200) comprises a feeding streamline (210), a discharging streamline (220), a lifting member (230), a material taking member (240) and a loading table (250), wherein the feeding streamline (210) is arranged on the frame (100) and used for conveying a material frame (260) from a feeding level to the lifting member (230) along an X direction, at least two products (1000) to be pressed are arranged on each material frame (260) at intervals along a Z direction, the lifting member (230) is arranged on the frame (100), the lifting member (230) moves between a feeding end and a discharging initial end along the Z direction, the lifting member (230) can receive the material frame (260) from the feeding streamline (210) when positioned at the feeding end, the lifting member (230) can move the material frame (260) to the discharging streamline (220) when positioned at the discharging initial end, the material frame (220) is arranged on the frame (100) and used for moving the material frame (260) along the X direction to the loading table (250) along the Z direction and the loading table (250) is arranged at the loading table (250), the output end of the material taking piece (240) is used for moving the products (1000) to be pressed to the bearing table (250) one by one along the Y direction.

3. The pressure maintaining device according to claim 1, wherein the pressure maintaining assembly (500) comprises a first pressure maintaining moving module (510), a second pressure maintaining moving module (520), a pressure maintaining seat (530) and a pressure maintaining head (540), the first pressure maintaining moving module (510) is arranged on the frame (100), the second pressure maintaining moving module (520) is arranged at an output end of the first pressure maintaining moving module (510), the pressure maintaining seat (530) is arranged at an output end of the second pressure maintaining moving module (520), the pressure maintaining head (540) is arranged at the pressure maintaining seat (530) in a floating mode, the output end of the first pressure maintaining moving module (510) can move along the X direction, and the output end of the second pressure maintaining moving module (520) can move along the Z direction.

4. A pressure maintaining apparatus according to claim 3, wherein at least two of said second workpieces are provided, at least two of said second workpieces are provided on the upper side of said first workpiece, and one of said films is provided between each of said second workpieces and said first workpiece;

the pressure maintaining assembly (500) is provided with at least two pressure maintaining heads (540), and at least two pressure maintaining heads (540) are mutually independent and are arranged at intervals and are arranged in one-to-one correspondence with at least two second workpieces.

5. A pressure maintaining device according to claim 3, characterized in that the pressure maintaining base (530) comprises a connecting base (531), a fixing base (532) and a mounting base (533), the fixing base (532) is provided with a containing groove (5321), the mounting base (533) is provided with a mounting groove (5331) and a sliding channel (5332) communicated with the mounting groove (5331), the sliding channel (5332) and the containing groove (5321) are arranged in a one-to-one correspondence manner, the fixing base (532) is connected with the connecting base (531), the mounting base (533) is connected with the fixing base (532), a mounting cavity is formed between the fixing base (532) and the mounting base (533), the pressure maintaining head (540) is slidingly arranged in the sliding channel (5332), one end of the first elastic piece (542) is connected with the pressure maintaining head (540), and the other end is located in the containing groove (5321).

6. Pressure maintaining device according to claim 5, characterized in that the pressure maintaining seat (530) further comprises a heat insulating plate (534), the heat insulating plate (534) being arranged between the connection seat (531) and the fixing seat (532).

7. The pressure maintaining device according to claim 1, wherein the preheating assembly (300) comprises a preheating moving module (310), a preheating rotating module (320), a preheating platform (330) and a pressing assembly (340), the preheating rotating module (320) is arranged at the output end of the preheating moving module (310), the preheating platform (330) is arranged at the output end of the preheating rotating module (320), a thermocouple for generating heat is arranged inside the preheating platform (330), the pressing assembly (340) is arranged at the preheating platform (330), the pressing assembly is used for pressing the product to be pressed (1000) on the preheating platform (330), the output end of the preheating moving module (310) can move along the Y direction, and the output end of the preheating rotating module (320) can rotate around the Z direction.

8. A dwell apparatus according to claim 3, characterized in that the dwell apparatus includes a lower CCD camera (560), the lower CCD camera (560) being provided to the frame (100) for photographing the dwell head (540) upwards;

the pressure maintaining device comprises an upper CCD camera (550), wherein the upper CCD camera (550) is arranged at the output end of the first pressure maintaining mobile module (510) and is used for shooting the second workpiece and the first workpiece downwards.

9. The pressure maintaining device according to claim 8, wherein two pressure maintaining assemblies (500) are provided, pressure maintaining heads (540) of the pressure maintaining assemblies (500) can move between a pressure maintaining position and an avoidance position, the preheating assembly (300) is provided with two pressure maintaining assemblies (500) and is arranged in a one-to-one correspondence manner, the avoidance position is located between the two pressure maintaining positions, the lower CCD camera (560) is located at the avoidance position, and the pressure maintaining heads (540) of the two pressure maintaining assemblies (500) are used for shooting.

10. Pressure maintaining method, characterized in that it is applied to a pressure maintaining device according to any one of claims 1-9, comprising the steps of:

s1, a mechanical arm (400) moves a product (1000) to be pressed, which is positioned in a feeding assembly (200), to a preheating assembly (300) positioned in a receiving position, wherein the product (1000) to be pressed comprises a first workpiece, a second workpiece and a film clamped between the first workpiece and the second workpiece;

s2, heating and activating the film between the first workpiece and the second workpiece in the process that the preheating assembly (300) moves to the pressure maintaining position;

s3, the pressure maintaining component (500) presses the second workpiece to the first workpiece, and the pressure maintaining is continued for a preset time.