CN121126689A - A circuit board intelligent production parameter control device - Google Patents
A circuit board intelligent production parameter control deviceInfo
- Publication number
- CN121126689A CN121126689A CN202511269231.7A CN202511269231A CN121126689A CN 121126689 A CN121126689 A CN 121126689A CN 202511269231 A CN202511269231 A CN 202511269231A CN 121126689 A CN121126689 A CN 121126689A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- parameter control
- glue
- frame
- intelligent production
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D5/00—Control of dimensions of material
- G05D5/02—Control of dimensions of material of thickness, e.g. of rolled material
- G05D5/03—Control of dimensions of material of thickness, e.g. of rolled material characterised by the use of electric means
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Spray Control Apparatus (AREA)
Abstract
本发明涉及电路板生产技术领域，且公开了一种电路板智能生产参数控制设备，包括机架；喷胶模块，用于对电路板进行喷胶；参数控制组件，用于控制喷胶的厚度参数；支架。该电路板智能生产参数控制设备，通过设置的参数控制组件能够实现对光刻胶的流道进行参数自控和参数主控，利用电路板本身的厚度来自动控制光刻胶的流动量，从而变相控制附着在电路板上的光刻胶厚度。同时设置的主控件，也能实现对设备参数的自主化调控，从而根据不同规格或者要求的电路板进行手动参数的调控，从而实现双重功能的智能参数控制，提高电路板生产的质量，避免出现光刻胶的薄厚不一，最后影响电路板的蚀刻效果。
This invention relates to the field of circuit board manufacturing technology and discloses an intelligent production parameter control device for circuit boards, including a frame; a glue spraying module for spraying glue onto the circuit board; a parameter control component for controlling the thickness parameters of the glue spraying; and a support. This intelligent production parameter control device for circuit boards, through its parameter control component, can achieve automatic and master parameter control of the photoresist flow path. It automatically controls the flow rate of the photoresist using the thickness of the circuit board itself, thereby indirectly controlling the thickness of the photoresist adhered to the circuit board. Simultaneously, the master control component also enables autonomous adjustment of equipment parameters, allowing for manual parameter adjustment according to different specifications or requirements of the circuit board. This achieves dual-function intelligent parameter control, improving the quality of circuit board production and preventing inconsistent photoresist thickness, which ultimately affects the etching effect of the circuit board.
Description
Technical Field
The invention relates to the technical field of circuit board production, in particular to intelligent circuit board production parameter control equipment.
Background
With the rapid development of the electronic industry, the higher the requirements of people on the brightness and resolution of the lamp panel under the same size, the more the number of LED lamp beads carried by the circuit on the circuit board, the higher the circuit definition in the PCB industry, the smaller the heat generated by the circuit board, the longer the service life and the lower the energy consumption.
The surface of the circuit board is sprayed or coated with photoresist to a certain extent in the production process, the positive photoresist is dissolved after exposure and remains an unexposed area when developing to form a pattern opposite to a mask, the negative photoresist is crosslinked and solidified after exposure and removes the unexposed area when developing to form a pattern consistent with the mask, so that the production process rotates according to the type of a product, the thickness of the photoresist is particularly important when the circuit board is processed and coated, thicker coating layers are selected according to the thickness of the circuit board, and the control devices of the parameter equipment are particularly complex, the cost of the former input is high, the control can also have the problem of complexity and error, and a plurality of products can not realize automatic intelligent parameter control directly according to the self condition of the product, so that deviation of the surface film thickness after the production of the later circuit board is caused, and the production quality of the circuit board is influenced. Therefore, an intelligent production parameter control device for a circuit board is provided to solve the above-mentioned problems.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides intelligent production parameter control equipment for a circuit board, which solves the problems that the automatic and automatic double control of the glue coating parameters of the circuit board production cannot be realized in the prior art, and an operator is required to perform parameter regulation and control on products of each specification, so that the intelligent production parameter control equipment is very inconvenient.
(II) technical scheme
The intelligent production parameter control device for the circuit board comprises a frame, a glue spraying module, a parameter control assembly, a support, a parameter control assembly and a main control piece, wherein the glue spraying module is used for spraying glue to the circuit board, the parameter control assembly is used for controlling thickness parameters of the sprayed glue, the support comprises a self-control piece and a main control piece, the self-control piece comprises a pressing plate, the pressing plate is connected with the support, the support is connected with a rotating wheel, two ends of the rotating wheel are connected with a connecting frame, a sliding rod is connected onto the connecting frame in a sliding mode, a compression spring is sleeved on the surface of the sliding rod, the sliding rod is connected onto the support, a push rod is abutted onto the rotating wheel, a sliding piece is connected onto the push rod, a fixing sleeve is connected onto the surface of the sliding piece in a sliding mode, a through hole is formed in the fixing sleeve, one end of the rubber tube is connected with the glue spraying module, the other end of the rubber tube is connected with a rubber box, and photoresist solution in the rubber box enters the glue spraying module through communication of the rubber tube to be sprayed onto the surface of the circuit board.
Preferably, the glue spraying module comprises a plurality of spray heads and a fixing frame, the fixing frame is arranged on the frame, the spray heads are connected to the fixing frame, the glue pipes are arranged in a plurality, the glue pipes are connected with the spray heads through pipelines, the rotating wheel is provided with an arc-shaped groove, and the ejector rod is positioned in the arc-shaped groove.
Preferably, the main control piece comprises a threaded frame, the threaded frame is arranged on the fixed sleeve, an adjusting rod is connected to the threaded frame in a threaded mode, a movable frame is connected to the bottom of the adjusting rod in a rotary mode, hooks are arranged at two ends of the movable frame, arc pieces are abutted to the surfaces of the hooks, and the arc pieces are fixed to the rotating wheel.
Preferably, the runner is provided with a flat slot, the support frame is connected with a positioning wheel, the side surface of the positioning wheel is provided with a bayonet, the runner is connected with a clamping strip, the clamping strip is made of rubber, and the support frame slides up and down on the frame.
Preferably, the parameter control assembly further comprises a shielding piece, the shielding piece is used for shielding external sputtering in the glue spraying process, the shielding piece comprises a blocking piece, the bottom of the blocking piece is connected with a contact strip, a shielding ring is connected to the support, an opening is formed in the shielding ring, and the blocking piece is connected to the shielding ring in a sliding mode.
Preferably, the side of the baffle is connected with two pull rods, the pull rods are connected to the shielding ring in a sliding manner, and the pull rods are sleeved with supporting springs.
Preferably, the baffle and the contact strips are arranged in two, the two contact strips are arranged in a V shape, the surface of the circuit board is contacted with the two contact strips and is spread in an inclined plane contact manner when the circuit board is conveyed, and the opening of the baffle is controlled to form a glue spraying area.
Preferably, the conveying module comprises a driving piece, the driving piece is connected with a crawler belt through a transmission piece, a plurality of clamping grooves are formed in the crawler belt, and the circuit board is located in the clamping grooves.
Preferably, the track is provided with two, sliding connection has the gag lever post in the track, limit spring has been cup jointed on the surface of gag lever post, limit spring is located between track and the support, the one end of gag lever post is connected with the spheroid, there is spherical groove of returning one side of support, spheroid sliding connection is in the inside in spherical groove of returning.
(III) beneficial effects
Compared with the prior art, the invention provides intelligent production parameter control equipment for a circuit board, which has the following beneficial effects:
1. According to the intelligent production parameter control equipment for the circuit board, parameter automatic control and parameter main control can be realized on the flow channel of the photoresist through the set parameter control assembly, and the flow quantity of the photoresist is automatically controlled by utilizing the thickness of the circuit board, so that the thickness of the photoresist attached to the circuit board is controlled in a phase-changing manner. Meanwhile, the main control is arranged, so that the automatic regulation and control of the equipment parameters can be realized, the manual parameter regulation and control can be performed according to circuit boards with different specifications or requirements, the intelligent parameter control with dual functions can be realized, the production quality of the circuit boards is improved, the occurrence of uneven thickness of photoresist is avoided, and finally the etching effect of the circuit boards is affected.
2. This intelligent production parameter control equipment of circuit board through the shielding piece that sets up, can realize that the circuit board can not sputter outside space when tectorial membrane degree is glued to can independently control the space range parameter of spraying according to the width of circuit board, finally realize intelligent automation and shelter, improve the operation convenience of equipment.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a circuit board intelligent production parameter control device according to the present invention;
FIG. 2 is a schematic diagram of an automatic control component of a circuit board intelligent production parameter control device according to the present invention;
FIG. 3 is a schematic diagram of a hose connection structure of a circuit board intelligent production parameter control device according to the present invention;
fig. 4 is a schematic diagram of a main control unit structure of a circuit board intelligent production parameter control device according to the present invention;
FIG. 5 is a schematic view of a shielding structure of a circuit board intelligent production parameter control device according to the present invention;
FIG. 6 is a schematic diagram of a connection structure of a baffle of an intelligent circuit board production parameter control device according to the present invention;
FIG. 7 is a schematic diagram of a cross-sectional structure of a spherical return groove of an intelligent circuit board production parameter control device according to the present invention;
fig. 8 is a schematic diagram of a conveying module structure of a circuit board intelligent production parameter control device according to the present invention.
The device comprises a frame 1, a parameter control assembly 2, a rotating wheel 202, a sliding rod 203, a compression spring 204, a connecting frame 205, a pressing plate 206, a supporting frame 207, a rubber pipe 208, a push rod 209, a fixing sleeve 210, a sliding sheet 211, a perforation 212, an arc groove 213, a flat groove 214, an adjusting rod 215, a screw frame 216, an arc piece 217, a hook 218, a positioning wheel 219, a clamping strip 220, a bayonet 221, a shielding ring 222, a blocking piece 223, a pull rod 224, a supporting spring 225, a contact strip 226, a moving frame 3, a glue spraying module 4, a conveying module 41, a track 42, a clamping groove 43, a limiting rod 44, a limiting spring 45, a ball body 5 and a bracket.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1-8, an intelligent production parameter control device for a circuit board comprises a frame 1 glue spraying module 3 for spraying glue on the circuit board, a parameter control component 2 for controlling thickness parameters of the glue spraying, a bracket 5, and a parameter control component 2 comprising a self control and a main control.
In this embodiment, the automatic control piece is including clamp plate 205, be connected with support frame 206 on the clamp plate 205, be connected with runner 201 on the support frame 206, the both ends of runner 201 are connected with link 204, sliding connection has slide bar 202 on the link 204, compression spring 203 has been cup jointed on the surface of slide bar 202, slide bar 202 connects on support 5, the butt has ejector pin 208 on the runner 201, be connected with gleitbretter 210 on the ejector pin 208, the surface sliding connection of gleitbretter 210 has fixed sleeve 209, fixed sleeve 209 has seted up perforation 211, be connected with rubber tube 207 on the fixed sleeve 209, one end and the spouting of rubber module 3 of rubber tube 207 are connected, the other end and the gluey case of rubber tube 207 are connected, the photoresist solution in the gluey case gets into the surface of injecting glue module 3 blowout to the circuit board through the intercommunication of rubber tube 207. The self-control device is mainly used for realizing intelligent control of automatically adjusting the glue spraying thickness according to the thickness of the circuit board, and the ball 415 of the pressing plate ball 415205 is positioned above the feeding end of the device, and the lower surface of the ball 415 is in direct contact with the circuit board in conveying. When the circuit board passes through, the ball 415 of the pressing plate ball 415205 is jacked up according to the actual thickness of the circuit board, so that the ball 415 of the supporting frame ball 415206 fixedly connected with the circuit board is driven to move upwards. The upper end of the support frame sphere 415206 sphere 415 is connected to the wheel sphere 415201 sphere 415, so that the wheel sphere 415201 sphere 415 also changes position. The ball 415 of the fixing sleeve ball 415209 is fixed on the frame 1 or the bracket 5, and a perforated ball 415211 ball 415 is arranged in the ball 415, and the perforation 211 corresponds to a channel of the ball 415 of the rubber tube ball 415207. One end of the rubber tube sphere 415207 sphere 415 is connected to the glue spraying module sphere 4153 sphere 415, and the other end is led to the photoresist box. When the thickness of the circuit board is larger, the pressing plate sphere 415205 sphere 415 is jacked up higher, the rotating wheel sphere 415201 sphere 415 is pushed to move upwards by the supporting frame sphere 415206 sphere 415, and then the sliding plate sphere 415210 sphere 415 is pushed to move upwards in the fixed sleeve sphere 415209 sphere 415 by the ejector rod sphere 415208 sphere 415. The movement of the slide plate sphere 415210 sphere 415 can change the superposition area between the perforated sphere 415211 sphere 415 and the rubber tube sphere 415207 sphere 415, so that the flow rate of the photoresist is regulated, namely, the higher the slide plate 210 is, the larger the superposition area is, the larger the photoresist flow rate is, the photoresist spraying thickness is increased, and otherwise, the flow rate is reduced, and the photoresist thickness is thinned. Through the series of mechanical linkage, the automatic control part automatically adjusts the glue spraying thickness in real time according to the thickness of the circuit board, external electric power or a complex sensor is not needed, the structure is reliable, the response is rapid, the automation degree and the process consistency of production are remarkably improved, and the intelligent parameter automatic control is realized.
Further, the glue spraying module 3 comprises a plurality of spray heads and a fixing frame, the fixing frame is installed on the frame 1, the spray heads are connected to the fixing frame, the glue pipes 207 are provided with a plurality of glue pipes 207, the glue pipes 207 are connected with the spray heads through pipelines, the rotating wheel 201 is provided with an arc-shaped groove 212, and the ejector rod 208 is located inside the arc-shaped groove 212. The glue spraying module 3 is used as a core execution unit of the intelligent production parameter control device, and the structure and the connection mode of the glue spraying module are carefully designed so as to ensure that the photoresist can be uniformly and controllably sprayed on the surface of the circuit board. The module mainly comprises a plurality of spray heads and a fixing frame for integrated fixing.
The fixing frame is firmly arranged on the equipment main body frame 1 in a mode of bolt connection or welding and the like, and provides a stable supporting foundation for the whole glue spraying module. The spray heads are arranged on the fixing frame in a specific arrangement mode such as linear array or matrix distribution, and the number and the spacing of the spray heads can be designed according to the common size of a circuit board and the requirements of a spraying process so as to ensure the uniformity and the comprehensiveness of a spraying coating cover.
The photoresist is delivered by a plurality of individual hoses 207. One end of the hoses 207 is gathered and connected to the outlet of the fixed sleeve 209 located in the parameter control assembly 2, and the other end is connected to each nozzle through a shunt piping system, respectively. The design of the multipath parallel supply ensures that each spray nozzle can obtain stable glue solution supply, and is a precondition for realizing large-area uniform spraying. The glue solution is pumped out of the glue box and flows through the sphere 415 of the glue tube sphere 415207, and finally is atomized by the spray head and then sprayed out.
Further, the main control piece comprises a threaded frame 215, the threaded frame 215 is mounted on the fixed sleeve 209, an adjusting rod 214 is connected to the threaded frame 215 in a threaded mode, a movable frame 226 is connected to the bottom of the adjusting rod 214 in a rotating mode, hooks 217 are arranged at two ends of the movable frame 226, arc pieces 216 are abutted to the surfaces of the hooks 217, and the arc pieces 216 are fixed to the rotating wheel 201. In addition, flat slot 213 has been seted up on runner 201, be connected with positioning wheel 218 on the support frame 206, bayonet socket 220 has been seted up to the side of positioning wheel 218, be connected with card strip 219 on the runner 201, the material of card strip 219 sets up to rubber material, support frame 206 slides from top to bottom and blocks on bayonet socket 220 through the card strip 219 that sets up on frame 1, can realize the preliminary location to runner 201, avoid equipment when the operation, the condition that runner 201 appears the swing, and the card strip 219 of rubber material possesses certain ductility simultaneously, the manual rotation runner 201 of operating personnel force also can control card strip 219 and break away from bayonet socket 220's position. The precise regulation and control of the glue flow are realized by a pure mechanical mode. The assembly mainly comprises a screw thread frame 215, an adjusting rod 214, a movable frame 226, a hook 217, an arc piece 216 and other parts, and the parts work cooperatively to provide a stable and reliable manual parameter intervention capability for a user.
The threaded frame 215 serves as a mounting base and motion guide for the entire master control, which is securely mounted to the outside of the fixed sleeve 209 by welding or fasteners. The adjusting lever 214 is a direct operation object of a user, and a precise external thread is machined on the lever body, so that a set of high-precision screw transmission pair is formed by the adjusting lever and the internal thread on the thread rack 215. By manually rotating the adjustment lever 214, the rotational motion itself can be converted into an accurate linear elevating motion.
At the bottom of the adjustment lever 214, its end is rotatably connected to the movable frame 226 by a pin or bearing. This design ensures that the adjustment lever 214 does not drive the movable frame 226 to rotate together when rotating, avoiding the mechanism from jamming, so that the movable frame 226 can only translate up and down strictly in the vertical direction. The movable frame 226 is generally a U-shaped or door-shaped frame structure having inwardly bent hooks 217 provided at the ends of both side arms thereof.
The curved concave surface of the hook 217 is in precise abutment with the convex curved surface of the arc piece 216 fixedly mounted on the side of the wheel 201. The arc 216 may be considered a specific cam or drive point on the wheel 201. When the operator rotates the adjustment lever 214 clockwise or counterclockwise, the moving frame 226 is driven to rise or fall. By the abutting action of the hook 217 and the arc piece 216, the linear motion of the moving frame 226 is converted into the pulling action of the rotating wheel 201, thereby forcibly changing the absolute height of the rotating wheel 201.
The height change of the rotating wheel 201 pushes the ejector rod 208 and the sliding vane 210 connected with the ejector rod, and finally, the superposition area of the through holes 211 on the sliding vane 210 and the channel of the rubber tube 207 is changed, so that the manual stepless regulation of the flow of the rubber solution is realized. The main control part mechanism allows an operator to directly and intuitively set and lock the required glue spraying thickness parameters according to the process requirements of specific products completely independent of an automatic thickness sensing system, and provides vital flexibility for producing circuit boards with special specifications.
In addition, the parameter control assembly 2 further comprises a shielding member, the shielding member is used for shielding external sputtering in the glue spraying process, the shielding member comprises a blocking piece 222, the bottom of the blocking piece 222 is connected with a contact strip 225, the bracket 5 is connected with a shielding ring 221, the shielding ring 221 is provided with an opening, and the blocking piece 222 is connected to the shielding ring 221 in a sliding manner. The side of the baffle 222 is connected with two pull rods 223, the pull rods 223 are slidably connected to the shielding ring 221, and the pull rods 223 are sleeved with supporting springs 224. The baffle 222 and the contact strips 225 are two, the two contact strips 225 are arranged in a V shape, and the surface of the circuit board is contacted with the two contact strips 225 and is spread in an inclined plane contact manner when the circuit board is conveyed, so that the baffle 222 is controlled to be spread, and a glue spraying area is formed. The purpose of setting up the shielding piece is to prevent effectively that the photoresist from taking place to splash, diffusion or atomizing dissipation to the external space at high pressure injection in-process to guarantee operational environment's cleanliness, reduce the glue solution extravagant, and avoid causing the pollution to other parts of equipment. The body of the shutter is a shutter ring 221 fixedly mounted to the bracket 5. The ring-shaped structure is usually made of metal or high-strength engineering plastic, and an open opening is designed in the middle of the ring body, and the opening forms a channel for spraying operation of the glue spraying module 3.
The core masking action is performed by a pair of flaps 222. The baffles 222 are typically formed from a corrosion resistant, easily cleanable material such as stainless steel or teflon coated sheets that are precisely shaped to fit well within the inner walls or rails of the shadow ring 221. The two blocking pieces 222 are symmetrically connected to the shielding ring 221 in a sliding manner through sliding grooves or guide rails at the sides of the blocking pieces, the movement track of the blocking pieces is strictly limited, and the blocking pieces can only open or close along the radial direction of the shielding ring 221, like two automatically openable and closable doors.
A contact bar 225 is vertically and fixedly connected to the bottom edge of each of the blocking plates 222. The contact bar 225 is a sensing component that triggers the automatic action of the masking mechanism. The mounting position is precisely calculated to ensure that when the circuit board is transported to the glue station along with the transport module 4, the side edges of the circuit board will preferentially contact the two contact bars 225 arranged at an angle, such as a V-shape
A contact bar 225 is vertically and fixedly connected to the bottom edge of each of the blocking plates 222. The contact bar 225 is a sensing component that triggers the automatic action of the masking mechanism. The mounting position is precisely calculated to ensure that when the circuit board is transferred to the glue station with the conveyor module 4, the side edges of the circuit board will preferentially contact the two contact strips 225 arranged at an angle, such as a V-shape. The physical dimensions of the circuit board directly determine the opening size of the ejection window. When a wider circuit board is fed, the side edge of the wider circuit board pushes away the contact strip 225 earlier, so that the baffle 222 slides to open a larger opening to adapt to the width of the wider circuit board. Conversely, a narrower circuit board will push the catch 222 away only a small gap. The purely mechanical self-adaptive design skillfully converts the production parameter of the width of the circuit board into the control parameter of the spraying area in real time, and realizes the intelligent and automatic regulation and control of the shielding range.
It should be noted that, the conveying module 4 includes a driving member, the driving member is connected with a crawler 41 through a transmission member, a plurality of clamping grooves 42 are formed on the crawler 41, and the circuit board is located in the clamping grooves 42. The crawler belt 41 is provided with two, sliding connection has gag lever post 43 in crawler belt 41, and gag lever post 43's surface has cup jointed spacing spring 44, and spacing spring 44 is located between crawler belt 41 and support 5, and the one end of gag lever post 43 is connected with spheroid 45, and there is spherical groove that returns on one side of support 5, spheroid 45 sliding connection in spherical groove that returns, and spacing spring 44 has set up the multiunit, all distributes on crawler belt 41 through array mode annular. The conveying module 4 serves as a material conveying center of the whole equipment, and has the core function of accurately, stably and adaptively conveying circuit boards with different sizes to a designated station below the glue spraying module 3. The module adopts an innovative flexible clamping conveying design, ensures that the circuit board has no slippage and no vibration in the transmission process, and can automatically adapt to the change of the board width.
The power of the module is derived from a driving member, typically a servo motor or a stepper motor, which efficiently and accurately transmits the power to two parallel tracks 41 through a set of transmission members, such as a synchronous pulley mechanism or a gear set, to drive the tracks to perform synchronous circulation.
The working surface of each crawler belt 41 is specially designed, and a plurality of clamping grooves 42 distributed at equal intervals along the length direction are formed in the working surface. The shape of the clamping grooves 42 is matched with the edge of the circuit board, so that the circuit board is supported and positioned, front-back movement of the circuit board in the conveying process is prevented, and each circuit board can be accurately conveyed to the glue spraying area.
To achieve an adaptive clamping transport of circuit boards of different widths, the two tracks 41 are not rigidly fixed, but are designed as a movable structure which can be adjusted in a lateral manner. The core technology is a set of limiting mechanism integrating guiding, elastic pressing and resetting.
The limiting rod 43 penetrates through the guide sliding sleeve in the crawler 41 to form sliding connection with the guide sliding sleeve, so that the crawler 41 can slide along the limiting rod 43 transversely by a small extent together with the circuit board. The limiting spring 44 is sleeved on the surface of the limiting rod 43, two ends of the limiting spring respectively support against the inner side of the crawler belt 41 and the support 5, and the limiting spring continuously provides an inward pretightening force for the crawler belt 41 so as to force the two crawler belts 41 to have a trend of being mutually close.
At the end of the limit lever 43, a ball 45 is connected, and a spherical groove formed on the side surface of the bracket 5 by processing the ball 415 forms a sliding connection to form a spherical pair. This design is critical, not only to provide a flexible low resistance guide for the sliding movement of the track 41 in the horizontal direction, but also to allow for small deflections of the track assembly when subjected to lateral forces, thus compensating for possible mounting errors or circuit board dimensional deviations, ensuring an even distribution of clamping forces.
The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.
The working principle is that when the whole circuit board is used for processing film-covered photoresist, the robot equipment is needed to be adopted to place the semi-finished circuit board in the clamping groove 42 on the caterpillar 41, and the width of the two caterpillar 41 can be automatically regulated and controlled, because the side surfaces of the two caterpillar 41 are connected through the limiting springs 44, the inward thrust of the caterpillar 41 can be provided, the circuit board can be clamped and clamped, afterwards, the driving piece controls the driving piece to drive the back-shaped rotation of the caterpillar 41, the driving piece is generally a motor, the driving piece generally adopts a gear or belt transmission mode to control the caterpillar 41 to rotate, when the circuit board is about to enter the lower part of the photoresist spraying module 3, the upper surface of the circuit board is in sliding contact with the pressing plate 205, then the pressing plate 205 is lifted through the lifting of the supporting frame 206, the height of the rotating wheel 201 is further lifted by a small amplitude, the rotating wheel 201 is indirectly driven through the abutting arrangement of the arc grooves 212, the ejector rod 208 is driven to move upwards, the sliding piece 210 inside the fixed sleeve 209 is driven to move upwards, the sliding piece 210 is moved upwards, the hole diameter of the top rod is increased to the largest, the hole diameter of the top rod is increased, the top rod is increased to be matched with the thickness of the photoresist at the current thickness of the circuit board, and the photoresist is required to be thicker than the current thickness of the photoresist film, and the photoresist is required to be completely matched with the thickness of the photoresist film, and the current thickness of the circuit board is equal to the thickness of the photoresist film is equal to the thickness of the photoresist film. therefore, by utilizing the mode, intelligent independent regulation and control of the glue degree parameterization is directly realized, manual intervention regulation and control are not needed, and automation and intellectualization of equipment are improved. Of course, the requirement and specification of the glue thickness of some circuit boards are not proportional to the thickness of the circuit boards, so that the main control piece is synchronously arranged, the main control piece is utilized to automatically control the thickness of glue solution, firstly, after one hundred and eighty degrees of rotation of the rotating wheel 201 are needed, the flat slot 213 faces upwards, the arc piece 216 is hung on the hook 217, afterwards, the rotation of the adjusting rod 214 is manually controlled, the moving frame 226 at the bottom is driven to ascend in a mode of connecting the adjusting rod 214 with the threaded frame 215, the two hooks 217 are abutted with the hanging type arc piece 216, the rotating wheel 201 is driven to actively lift, the ejector rod 208 is located at the position of the flat slot 213, meanwhile, the moving frame 226 is connected with the slide piece 210 through the connecting rod, so that the slide piece 210 at the moment actively lifts a certain height, the aperture overlapping degree of the perforation 211 and the glue tube 207 is controlled, the glue solution flow quantity parameter inside the glue tube 207 is controlled in a mode of hole position dislocation, and further the production and processing of the circuit boards are finely regulated. Meanwhile, in order to avoid splashing and exposing of photoresist, a shielding piece is arranged, the shielding piece is used for limiting the interval and the width of photoresist, when the circuit board is conveyed, the surface of the circuit board gradually enters the position of the shielding ring 221, when the circuit board and the two contact strips 225 are in contact, the conveying force of the crawler 41 drives the side surface of the circuit board to form extrusion sliding on the two contact strips 225, and further drives the two baffle plates 222 to realize extrusion opening, finally the hollow area above the shielding ring 221 is exposed, so that the photoresist spraying module 3 can control the photoresist to perform photoresist from the opening position of the opening, the rest positions can be shielded, splashing and exposing are avoided, the technical scheme can be designed into a scheme capable of automatically controlling the parameter of the interval of photoresist according to the width of the circuit board, meanwhile, the connecting position of the two contact strips 225 can be designed into a scheme capable of adjusting the distance according to the width of the circuit board, and the photoresist interval of the circuit board is inconsistent with the width of the contact strips 225, after the relative distance between the two contact strips 225 is adjusted to be large, the circuit board is further in contact with the contact strips 222 to slide, and the space between the two baffle plates 225 is also small, and the space between the two baffle plates can be opened, and the space parameters can be changed. The whole equipment and the scheme can realize the regulation and control of the thickness of the glue, can also realize the parameter control of the glue interval, have automatic control and active control, have lower input cost of the whole equipment, have fewer electronic parts, can realize the control of production parameters by means of structural actions, and avoid the vulnerability caused by long-time use of the electronic parts.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Claims (9)
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| CN202511269231.7A CN121126689B (en) | 2025-09-05 | 2025-09-05 | Intelligent production parameter control equipment for circuit board |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022213489A1 (en) * | 2021-04-06 | 2022-10-13 | 海宁普拉斯电子科技有限公司 | Electronic tag recognizer capable of shielding surrounding magnetic field interference |
| KR102476215B1 (en) * | 2022-05-17 | 2022-12-09 | (주)이지시스템 | All-in-one fire detection device with fire detection and automatic alarm function |
| CN119485937A (en) * | 2024-12-27 | 2025-02-18 | 梅州速佳电子有限公司 | A fixing device for automatic circuit board production equipment |
| CN119819517A (en) * | 2025-03-13 | 2025-04-15 | 淮安欣展高分子科技有限公司 | Printer rubber roll production flush coater |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022213489A1 (en) * | 2021-04-06 | 2022-10-13 | 海宁普拉斯电子科技有限公司 | Electronic tag recognizer capable of shielding surrounding magnetic field interference |
| KR102476215B1 (en) * | 2022-05-17 | 2022-12-09 | (주)이지시스템 | All-in-one fire detection device with fire detection and automatic alarm function |
| CN119485937A (en) * | 2024-12-27 | 2025-02-18 | 梅州速佳电子有限公司 | A fixing device for automatic circuit board production equipment |
| CN119819517A (en) * | 2025-03-13 | 2025-04-15 | 淮安欣展高分子科技有限公司 | Printer rubber roll production flush coater |
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| CN121126689B (en) | 2026-02-24 |
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