CN119584524A

CN119584524A - A SMT patch device with high adaptability and a patch method thereof

Info

Publication number: CN119584524A
Application number: CN202411777589.6A
Authority: CN
Inventors: 朱德天; 杨冰玉
Original assignee: Shenzhen Jingxin Electronic Technology Co ltd
Current assignee: Shenzhen Jingxin Electronic Technology Co ltd
Priority date: 2024-12-03
Filing date: 2024-12-03
Publication date: 2025-03-07

Abstract

The invention discloses a highly adaptable SMT patch device and a patch method thereof, comprising a mounting platform, an adjusting mechanism installed on the mounting platform, the adjusting mechanism comprising a bidirectional threaded rod, a movable frame, a fixed rod and a limit plate, the bidirectional threaded rod bearing is connected to the mounting platform, the bidirectional threaded rod is mutually connected to the movable frame through a thread, the movable frame and the fixed rod are slidably connected, and the fixed rod is fixed on the mounting platform. The highly adaptable SMT patch device and the patch method thereof can adjust the distance between the front and rear movable frames through the action of the bidirectional threaded rod, thereby realizing the distance adjustment between the front and rear conveyor belts, so as to meet the conveying and processing of PCB boards of different widths, cooperate with the sliding action between the connecting shaft and the clamping strip and the mounting shaft, and can ensure the normal operation of the adjustment, and can realize the normal transmission action through the clamping action between the clamping strip and the mounting shaft, so as to ensure that the dual-axis motor can drive the roller and the conveyor belt to operate normally.

Description

SMT (surface mounted technology) patch device with high adaptation degree and patch method thereof

Technical Field

The invention relates to the technical field of SMT (surface mounted technology) chip mounting devices, in particular to an SMT chip mounting device with high adaptation degree and a chip mounting method thereof.

Background

The SMT patch refers to a short term of a series of process flows for processing on the basis of a PCB, the PCB is a printed circuit board, the SMT is a surface mount technology (surface mount technology), which is one of the most popular technologies and technologies in the electronic assembly industry, and is called surface mount or surface mount technology, which is a circuit mounting technology for mounting a pin-free or short-lead surface mount component (SMC/SMD, chinese called chip component) on the surface of the printed circuit board or the surface of other substrates, and welding and assembling the components by reflow soldering or dip soldering, etc., in which in the general case, all electronic products used by us are designed by PCB plus various capacitors, resistors, etc. according to designed circuit diagrams, so various SMT patch processing technologies are required for various kinds of electric appliances;

In the in-service use process of the conventional SMT chip mounter, the conveying device with specific width is required to realize conveying of the PCB according to the width of the PCB so as to ensure the moving stability of the PCB, one set of conveying device cannot meet the conveying requirements of the PCBs with different widths, and the suitability is low.

Disclosure of Invention

The invention aims to provide an SMT (surface mount technology) patch device with high adaptation and a patch method thereof, so as to solve the problems in the background technology.

The SMT patch device with the high adaptation degree comprises a mounting table, wherein an adjusting mechanism is mounted on the mounting table and comprises a bidirectional threaded rod, a movable frame, a fixed rod and a limiting plate, the bidirectional threaded rod is connected to the mounting table through a bearing, the bidirectional threaded rod is connected with the movable frame through threads, the movable frame is in sliding connection with the fixed rod, the fixed rod is fixed to the mounting table, the movable frame is further fixed with the limiting plate, a feeding mechanism is mounted on the adjusting mechanism and comprises a double-shaft motor, a mounting shaft, rollers, a conveying belt, a connecting shaft and clamping strips, the double-shaft motor is fixed to the mounting table, the output end of the double-shaft motor is fixed with the mounting shaft, the roller bearing is connected to the movable frame, the conveying belt is further connected to the rollers, the connecting shaft is connected with the mounting shaft in a sliding mode, the clamping strips are further fixed to the connecting shaft in an equiangular mode, and the clamping strips are connected with the mounting shaft in an equiangular mode.

Preferably, the mount is fixed with the mount in mount upper end, and installs the paster subassembly on the mount to still install fixture on the mount, fixture and climbing mechanism interconnect simultaneously, through above-mentioned structure, can guarantee the normal clear of paster.

Preferably, the chip mounter comprises a longitudinal linear motor, a transverse linear motor, a first cylinder and a chip mounter, wherein the longitudinal linear motor is fixed on a fixing frame, the transverse linear motor is arranged on the longitudinal linear motor, the first cylinder is arranged on the transverse linear motor, meanwhile, the chip mounter is fixed at the output end of the first cylinder, and through the structure, the chip mounter can be adjusted in multiple directions, so that the normal operation of the chip mounter is guaranteed.

Preferably, the fixture includes second cylinder, fixed plate, first spring, roof, guide bar, splint and connecting rod, the second cylinder is fixed on the mount, and the output of second cylinder is fixed with the fixed plate to be fixed with the one end of first spring on the fixed plate, the other end of first spring is fixed on the roof simultaneously, still be fixed with the gag lever post on the roof, and be sliding connection between gag lever post and the fixed plate, through the effect of first spring, can provide basic effort for the automatic re-setting of roof.

Preferably, the guide rods are symmetrically fixed on the top plate in a bilateral symmetry manner, the guide rods are in sliding connection with the clamping plates, the clamping plates are equal to the top plate in height, and the multidirectional clamping limiting effect of the PCB can be achieved through the effect of the clamping plates and the top plate.

Preferably, the clamping plate is further rotatably connected with one end of the connecting rod, the other end of the connecting rod is rotatably connected to the fixing plate, the connecting rod is distributed symmetrically left and right about the center line of the fixing plate, and when the top plate moves relative to the fixing plate, the base acting force can be provided for the movement of the clamping plate by matching with the transmission action of the connecting rod.

Preferably, the climbing mechanism comprises a mounting frame, a supporting plate, a sliding rod, a second spring, an inclined panel and a vertical rod, wherein the mounting frame is fixed on the mounting table, the supporting plate is arranged above the mounting frame, the upper end face of the supporting plate is lower than the upper end face of the conveying belt, and the lifting effect of the PCB can be realized through the effect of the supporting plate, so that the clamping limit of the PCB is facilitated, and the normal operation of the device is ensured.

Preferably, the bilateral symmetry of terminal surface is fixed with the slide bar under the layer board, and is sliding connection between slide bar and the mounting bracket to still be fixed with the second spring between slide bar and the mounting bracket, when the layer board removes, the stability that the layer board removed can be guaranteed to the slip direction effect between cooperation slide bar and the mounting bracket, the elastic action of cooperation second spring can provide basic effort for the automatic re-setting of layer board.

Preferably, the sliding connection is between slide bar and the inclined plane board, and is sliding connection between inclined plane board and the mount pad to be fixed with the one end of montant on the inclined plane board, the other end of montant is fixed on the fixed plate simultaneously, through the slip effect between slide bar and the inclined plane board, can provide basic effort for the removal of slide bar and layer board, thereby guarantee the normal operating of device.

A surface mounting method of an SMT surface mounting device with high adaptation degree comprises the following operation steps:

S1, adjusting the positions of the conveyor belts according to the width of a PCB board to be pasted, enabling the movable frame to move by rotating the bidirectional threaded rod, and realizing the position adjustment of the front conveyor belt and the rear conveyor belt by matching with the sliding action between the connecting shaft and the clamping strip and the mounting shaft;

s2, running the roller and the conveyor belt under the action of the double-shaft motor, the mounting shaft, the connecting shaft and the clamping strips, so that the conveying of the PCB is realized;

And S3, when the PCB moves to the clamping mechanism, the double-shaft motor stops rotating, the second cylinder starts to drive the fixed plate, the top plate, the clamping plate, the vertical rod and the inclined plate to move, the PCB moves upwards to be matched with the top plate through the sliding action between the inclined plate and the sliding rod, the clamping and positioning action of the PCB is realized through the top plate and the clamping plate, and finally the patch assembly is used for performing patch operation.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the SMT paster device with high adaptation and the paster method thereof, the distance between the front movable frame and the rear movable frame can be adjusted through the action of the bidirectional threaded rod, so that the distance between the front conveying belt and the rear conveying belt can be adjusted, the PCB with different widths can be conveyed and processed, the normal operation of adjustment can be ensured by matching with the sliding action between the connecting shaft and the clamping strip and the mounting shaft, the normal transmission action can be realized through the clamping action between the clamping strip and the mounting shaft, and the double-shaft motor can be ensured to drive the rollers and the conveying belt to perform normal operation;

2. According to the SMT paster device with high adaptation degree and the paster method thereof, when the PCB is clamped, the inclined panel is moved through the action of the second air cylinder, the fixing plate and the vertical rod, the supporting plate is contacted with the PCB by matching with the sliding action between the inclined panel and the sliding rod, the PCB is lifted upwards to be flush with the fixing plate, the clamping limit of the subsequent PCB is facilitated, the front and back positioning of the PCB can be realized through the action of the second air cylinder, the fixing plate and the top plate, the left and right positioning of the PCB can be realized by matching with the action of the connecting rod, the guide rod and the clamping plate, and the fixing stability of the PCB is ensured.

Drawings

FIG. 1 is a schematic diagram of the overall front perspective of the device of the present invention;

FIG. 2 is a schematic view showing a bottom perspective of the adjusting mechanism of the present invention;

FIG. 3 is a schematic view of an exploded perspective view of the assembly of the mounting shaft and the connecting shaft of the present invention;

Fig. 4 is a schematic diagram of a front perspective structure of a patch assembly and a clamping mechanism according to the present invention;

fig. 5 is a schematic view showing a bottom perspective structure formed by the patch assembly and the clamping mechanism;

FIG. 6 is a schematic diagram of a front perspective view of the clamping mechanism of the present invention;

fig. 7 is a schematic view showing a bottom perspective structure formed by the clamping mechanism and the jacking mechanism.

The device comprises a mounting table, a2, an adjusting mechanism, a 201, a bidirectional threaded rod, a 202, a movable frame, a 203, a fixed rod, a 204, a limiting plate, a 3, a feeding mechanism, a 301, a double-shaft motor, a 302, a mounting shaft, a 303, a roller, a 304, a conveyor belt, a 305, a connecting shaft, a 306, a clamping bar, a 4, a fixing frame, a 5, a patch assembly, a 501, a longitudinal linear motor, a 502, a transverse linear motor, a 503, a first cylinder, a 504, a patch machine, a 6, a clamping mechanism, a 601, a second cylinder, a 602, a fixed plate, a 603, a first spring, a 604, a top plate, a 605, a guide rod, a 606, a clamping plate, a 607, a connecting rod, a 608, a limiting rod, a 7, a lifting mechanism, a 701, a mounting frame, a 702, a supporting plate, a slide rod, a 704, a second spring, a 705, an inclined panel, a 706 and a vertical rod.

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. 1-7, the invention provides a technical scheme of an SMT patch device with high adaptation degree and a patch method thereof, which comprises a mounting table 1, wherein an adjusting mechanism 2 is mounted on the mounting table 1, the adjusting mechanism 2 comprises a bidirectional threaded rod 201, a movable frame 202, a fixed rod 203 and a limiting plate 204, the bidirectional threaded rod 201 is connected to the mounting table 1 in a bearing manner, the bidirectional threaded rod 201 is connected with the movable frame 202 through threads, the movable frame 202 is in sliding connection with the fixed rod 203, the fixed rod 203 is fixed on the mounting table 1, the movable frame 202 is further fixed with a limiting plate 204, a feeding mechanism 3 is mounted on the adjusting mechanism 2, the feeding mechanism 3 comprises a double-shaft motor 301, a mounting shaft 302, a roller 303, a conveyor belt 304, a connecting shaft 305 and a clamping strip 306, the output end of the double-shaft motor 301 is fixed with the mounting shaft 302, the roller 303 is connected to the movable frame 202 in a bearing manner, the roller 303 is further connected with the conveyor belt 304, the connecting shaft 305 is fixedly connected with the mounting shaft 302 in a sliding manner, the connecting shaft 305 is further fixedly provided with the clamping strip 306, and the clamping strip 306 is fixedly connected with the same angle as the mounting shaft 302.

When the SMT paster device with high adaptation is used, as shown in fig. 1-7, the distance between the front conveying belt 304 and the rear conveying belt 304 is adjusted according to the width of a PCB board to be pasted, after adjustment is completed, the PCB board to be pasted is placed on the conveying belt 304, the movable frame 202 is forced to move, the movable frame 202 is matched with the sliding guiding function between the movable frame 202 and the fixed rod 203, the stability of the movement of the movable frame 202 can be ensured, when the movable frame 202 moves, the roller 303 and the conveying belt 304 are synchronously driven to move, the distance between the front conveying belt 304 and the rear conveying belt 304 is adjusted, the stability of the movement of the roller 303 can be ensured, after adjustment is completed, the PCB board to be pasted is placed on the conveying belt 304, the mounting shaft 302 is driven to rotate by starting the double-shaft motor 301, the connecting shaft 305 and the roller 303 are synchronously driven to rotate by matching with the clamping function between the mounting shaft 302 and the clamping bar 306, and the conveying belt 304 are further driven to automatically move, and the PCB board 204 can be automatically driven to move, and the PCB board is further limited in the movement process of the PCB board is realized;

The upper end of the mounting table 1 is fixed with a fixing frame 4, the fixing frame 4 is provided with a patch assembly 5, the fixing frame 4 is also provided with a clamping mechanism 6, and the clamping mechanism 6 is mutually connected with a jacking mechanism 7; the surface mount component 5 comprises a longitudinal linear motor 501, a transverse linear motor 502, a first air cylinder 503 and a surface mount machine 504, wherein the longitudinal linear motor 501 is fixed on a fixed frame 4, the transverse linear motor 502 is installed on the longitudinal linear motor 501, the first air cylinder 503 is installed on the transverse linear motor 502, and meanwhile, the surface mount machine 504 is fixed at the output end of the first air cylinder 503; the clamping mechanism 6 comprises a second air cylinder 601, a fixed plate 602, a first spring 603, a top plate 604, a guide rod 605, a clamping plate 606 and a connecting rod 607, wherein the second air cylinder 601 is fixed on the fixed frame 4, the output end of the second air cylinder 601 is fixed with the fixed plate 602, one end of the first spring 603 is fixed on the fixed plate 602, the other end of the first spring 603 is fixed on the top plate 604, a limit rod 608 is also fixed on the top plate 604, the limit rod 608 is in sliding connection with the fixed plate 602, the top plate 604 is symmetrically fixed with the guide rod 605, the guide rod 605 is in sliding connection with the clamping plate 606, the clamping plate 606 is equal in height with the top plate 604, one end of the connecting rod 607 is also rotationally connected with the clamping plate 606, the other end of the connecting rod 607 is rotationally connected with the fixed plate 602, the connecting rod 607 is symmetrically distributed left and right about the central line of the fixed plate 602, the jacking mechanism 7 comprises mounting frames 701, 702, 703, a second spring 704, an inclined panel 705 and a vertical rod 706, a mounting frame 701 are fixed on the mounting frame 701, and 702 are arranged above the mounting frame, and the upper end surface of the mounting frame 702 is in sliding bar 702, the sliding bar is lower than the upper end surface of the upper end of the carrier plate 702 is fixed with the upper end surface of the carrier plate 702, the carrier plate 304, the upper end of the carrier is lower than the upper end of the carrier plate 702 is fixed with the slide bar 703, the sliding rod 703 is in sliding connection with the mounting frame 701, and a second spring 704 is also fixed between the sliding rod 703 and the mounting frame 701, the sliding rod 703 is in sliding connection with the inclined panel 705, the inclined panel 705 is in sliding connection with the mounting table 1, one end of a vertical rod 706 is fixed on the inclined panel 705, and the other end of the vertical rod 706 is fixed on the fixed plate 602;

In the feeding process of the PCB, as shown in figures 1-7, when the PCB moves between the two clamping mechanisms 6, the double-shaft motor 301 stops running at this time, and the second air cylinder 601 is started to extend, so that the fixed plate 602, the top plate 604, the vertical rod 706 and the inclined plate 705 are driven to move, the stability of the movement of the inclined plate 705 can be ensured by matching with the sliding guiding function between the inclined plate 705 and the mounting table 1, when the inclined plate 705 moves, the sliding rod 703 and the supporting plate 702 are forced to move upwards by matching with the sliding guiding function between the inclined plate 705 and the sliding rod 703, the stability of the upward movement of the supporting plate 702 can be ensured by matching with the sliding guiding function between the sliding rod 703 and the mounting frame 701, when the supporting plate 702 contacts with the PCB, the PCB 703 is forced to move upwards until the sliding rod slides to the plane position of the inclined plate 705, and the lower end surface of the PCB moves to be flush with the center of the top plate 604 at this time, the subsequent fixation of the PCB is convenient, the top plate 604 is not contacted with the PCB at this moment, the fixed plate 602 and the top plate 604 can be continuously driven to move by continuously stretching the second air cylinder 601, when the top plate 604 is contacted with the PCB, the front and back limiting of the PCB can be realized, at this moment, the second air cylinder 601 is continuously stretched, the limiting is realized by the contact of the top plate 604 and the PCB, the fixed plate 602 moves relative to the top plate 604, the sliding guiding function between the limiting rod 608 and the fixed plate 602 can be matched, the stability of the movement of the fixed plate 602 can be ensured, the transmission function of the connecting rod 607 is matched, the clamping plate 606 is stressed to move, the sliding guiding function between the clamping plate 606 and the guide rod 605 can be matched, the stability of the movement of the clamping plate 606 can be ensured until the clamping plate 606 is contacted with the PCB, the left and right limiting of the PCB is realized, the stability of the fixation of the PCB is ensured, after the fixation of the PCB is finished, through the actions of the longitudinal linear motor 501, the transverse linear motor 502 and the first cylinder 503, the multidirectional adjusting action of the chip mounter 504 can be realized so as to perform normal chip mounting action, which is the working principle of the SMT chip mounter with high adaptation degree and the chip mounting method thereof.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The SMT patch device with high adaptation degree comprises a mounting table (1), and is characterized in that an adjusting mechanism (2) is mounted on the mounting table (1), the adjusting mechanism (2) comprises a bidirectional threaded rod (201), a movable frame (202), a fixed rod (203) and a limiting plate (204), the bidirectional threaded rod (201) is connected to the mounting table (1) through a bearing, the bidirectional threaded rod (201) is connected with the movable frame (202) through threads, the movable frame (202) is in sliding connection with the fixed rod (203), the fixed rod (203) is fixed on the mounting table (1), the movable frame (202) is also fixed with the limiting plate (204), a feeding mechanism (3) is mounted on the adjusting mechanism (2), the feeding mechanism (3) comprises a double-shaft motor (301), a mounting shaft (302), a roller (303), a conveyor belt (304), a connecting shaft (305) and a clamping strip (306), the double-shaft motor (301) is fixed on the mounting table (1), an output end of the double-shaft motor (301) is fixedly provided with the roller (302), the roller (303) is fixedly connected to the bearing (303), the connecting shaft (305) is in sliding connection with the mounting shaft (302), clamping strips (306) are fixed on the connecting shaft (305) at equal angles, and the clamping strips (306) are in clamping connection with the mounting shaft (302).

2. The SMT chip mounter with high adaptation degree according to claim 1, wherein a fixing frame (4) is fixed at the upper end of the mounting table (1), a chip mounting assembly (5) is mounted on the fixing frame (4), a clamping mechanism (6) is further mounted on the fixing frame (4), and meanwhile the clamping mechanism (6) is connected with a jacking mechanism (7).

3. The SMT chip mounter with high adaptation degree according to claim 2, wherein the chip mounter (5) comprises a longitudinal linear motor (501), a transverse linear motor (502), a first cylinder (503) and a chip mounter (504), wherein the longitudinal linear motor (501) is fixed on a fixing frame (4), the transverse linear motor (502) is installed on the longitudinal linear motor (501), the first cylinder (503) is installed on the transverse linear motor (502), and the chip mounter (504) is fixed at the output end of the first cylinder (503).

4. The SMT patch device with high adaptation degree according to claim 3, wherein the clamping mechanism (6) comprises a second air cylinder (601), a fixing plate (602), a first spring (603), a top plate (604), a guide rod (605), a clamping plate (606) and a connecting rod (607), the second air cylinder (601) is fixed on the fixing frame (4), the output end of the second air cylinder (601) is fixed with the fixing plate (602), one end of the first spring (603) is fixed on the fixing plate (602), meanwhile, the other end of the first spring (603) is fixed on the top plate (604), a limiting rod (608) is further fixed on the top plate (604), and the limiting rod (608) is in sliding connection with the fixing plate (602).

5. The SMT chip device with high fitting degree as set forth in claim 4, wherein the top plate (604) is symmetrically fixed with guide rods (605) left and right, the guide rods (605) are in sliding connection with the clamping plates (606), and the clamping plates (606) are equal to the top plate (604) in height.

6. The SMT patch device with high adaptation degree as claimed in claim 4, wherein the clamping plate (606) is further rotatably connected with one end of the connecting rod (607), the other end of the connecting rod (607) is rotatably connected to the fixed plate (602), and the connecting rod (607) is symmetrically distributed on the left and right sides with respect to the central line of the fixed plate (602).

7. The SMT patch device with high adaptation degree according to claim 6, wherein the lifting mechanism (7) comprises a mounting frame (701), a supporting plate (702), a sliding rod (703), a second spring (704), a bevel board (705) and a vertical rod (706), the mounting frame (701) is fixed on the mounting table (1), the supporting plate (702) is arranged above the mounting frame (701), and the upper end face of the supporting plate (702) is lower than the upper end face of the conveying belt (304).

8. The SMT patch device with high adaptation degree as claimed in claim 7, wherein the sliding rod (703) is symmetrically fixed on the lower end surface of the supporting plate (702), the sliding rod (703) is in sliding connection with the mounting frame (701), and a second spring (704) is further fixed between the sliding rod (703) and the mounting frame (701).

9. The SMT patch device with high adaptation degree as claimed in claim 7, wherein the sliding rod (703) is in sliding connection with the inclined panel (705), the inclined panel (705) is in sliding connection with the mounting table (1), one end of the vertical rod (706) is fixed on the inclined panel (705), and the other end of the vertical rod (706) is fixed on the fixed plate (602).

10. A method for attaching SMT patch device with high adaptation degree, which is applied to the SMT patch device with high adaptation degree, is characterized by comprising the following operation steps:

S1, adjusting the positions of the conveying belts (304) according to the width of a PCB needing to be pasted, and moving the movable frame (202) by rotating the bidirectional threaded rod (201) to realize the position adjustment of the front conveying belt (304) and the rear conveying belt (304) by matching with the sliding action between the connecting shaft (305) and the clamping strip (306) and the mounting shaft (302);

S2, running the roller (303) and the conveyor belt (304) under the action of the double-shaft motor (301), the mounting shaft (302), the connecting shaft (305) and the clamping strips (306), so that the conveying of the PCB is realized;

S3, when the PCB moves to the position of the clamping mechanism (6), the double-shaft motor (301) stops rotating, the second air cylinder (601) starts to drive the fixed plate (602), the top plate (604), the clamping plate (606), the vertical rod (706) and the inclined plate (705) to move, the PCB moves upwards to be matched with the top plate (604) through the sliding action between the inclined plate (705) and the sliding rod (703), the clamping and positioning actions of the PCB are realized through the top plate (604) and the clamping plate (606), and finally the patch assembly (5) is used for performing patch operation.