SMT chip mounter for circuit board processing

Abstract

The invention discloses an SMT chip mounter for circuit board processing, and particularly relates to the technical field of circuit board chip mounting.The SMT chip mounter comprises a base, a positioning processing assembly is arranged on the base and comprises a vertical plate arranged on one side of the top of the base, a supporting wheel is rotationally connected to the vertical plate, and one end of the supporting wheel is rotationally connected with an elastic base. Through corresponding cooperative use of all the structures, the distance between the two conveying frames is adjusted through the electric sliding rail so as to conveniently adapt to circuit boards of different sizes, the pressing wheel can pressurize a material roll so that the material roll can be tightly attached to the circuit boards, it is ensured that no-pin or short-lead surface assembly components are installed on the surfaces of the circuit boards, and the production efficiency is improved. When the fine adjustment block deflects, the fine adjustment block can slide on the transverse shaft and enables the limiting spring to be compressed, the fine adjustment block is driven to reset through the elasticity of the limiting spring, the function of position calibration of the patch on the circuit board is achieved, the patch is pressurized in cooperation with the deflection block, and the patch precision and stability are ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit board mounting, and more specifically, to an SMT mounting machine for circuit board processing. Background Art

[0002] SMT patch refers to the abbreviation of a series of process flows based on PCB, where PCB is the abbreviation of printed circuit board. SMT is surface assembly technology, also known as surface mount technology, which is the most popular technology and process in the electronic assembly industry. To be more specific, it is a circuit assembly technology that installs pinless or short-lead surface assembly components on the surface of printed circuit boards or other substrates, and assembles them by soldering through reflow soldering or dip soldering.

[0003] Among them, the patent with announcement number CN219919619U discloses an anti-displacement patch device for an SMT patch machine, which specifically relates to the field of SMT patch machine patch technology, including a processing table, a groove is provided on the top of the processing table, a belt conveyor is provided inside the groove, a patch mechanism is provided on the top of the processing table, and embedding grooves are provided on both the front and rear surfaces of the top of the processing table; When the structure is in use, the industrial camera printed circuit board to be mounted is conveyed to the bottom of the mounting mechanism by a belt conveyor, and two baffles are used to position the left and right sides of the printed circuit board. Then, the two clamps are controlled to clamp the printed circuit board, and the support plate and the clamp are driven to move up with the printed circuit board by means of a second electric push rod. At the same time, the two support plates are controlled to move to the bottom of the printed circuit board for support. The clamps, support plates and baffles are used to position and support the front and back sides, left and right sides and bottom of the printed circuit board respectively, so as to avoid the printed circuit board from shifting during mounting, and greatly improve the accuracy of the printed circuit board mounting. However, the structure is not easy to perform appropriate fine-tuning during mounting, and cannot adapt to circuit boards of different sizes, resulting in limitations in the use of the device. Summary of the invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides an SMT placement machine for circuit board processing, aiming to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an SMT placement machine for circuit board processing, comprising a base, on which a positioning processing component is arranged.

[0006] The positioning processing assembly includes a vertical plate arranged on one side of the top of the base, a support wheel is rotatably connected to the vertical plate, one end of the support wheel is rotatably connected to an elastic base, the elastic base is sleeved on the vertical plate, a driving motor is arranged at the bottom of the support wheel, the driving motor is mounted on the vertical plate by bolts, and a winding wheel is arranged at the output end of the driving motor, a material winding wheel is arranged on one side of the support wheel, and the material winding wheel is mounted on the vertical plate, and a display screen is arranged on one side of the top of the base.

[0007] It can be seen that in the above technical solution, the material is limited by two conveying racks, and the material roll with pins attached is placed on the material roll wheel, and one end of the material roll is wrapped around the winding wheel through the support wheel, which makes it easy to drive the motor to drive the winding wheel to rotate to extract the material roll, and at the same time facilitate the transfer of the pins on the material roll to the circuit board.

[0008] Two electric slide rails are provided on one side of the vertical plate, and each of the electric slide rails is installed on a base, and a conveying frame is provided on the two electric slide rails, a deflection block is provided on one side of the top of the two conveying frames, and a pressure block is provided on each of the deflection blocks, a cross bar is installed on one side of the top of the pressure block through a bolt, a fine-tuning block is provided at one end of the cross bar, the cross bar is embedded in the fine-tuning block, and the cross bar is rotatably connected to the conveying frame through an axle pin, a transverse axis is provided at one end of the fine-tuning block, one end of the transverse axis passes through the fine-tuning block and the cross bar in sequence and extends to one side of the fine-tuning block, a limit spring is sleeved on the outer side of the transverse axis, and the limit spring is located on one side of the cross bar, and the bottom of the electric slide rail is rotatably connected to a first electric push rod through an axle pin, and an output end of the first electric push rod extends to one side of the cross bar and is rotatably connected to the cross bar through the axle pin.

[0009] It can be seen that in the above technical solution, the distance between the two conveyor racks is adjusted by the electric slide rail to facilitate adapting to circuit boards of different sizes. The first electric push rod drives the cross bar to rotate along the axis point of the connection between the cross bar and the conveyor rack, thereby allowing the deflection block, the cross bar and the fine-tuning block to deflect. At the same time, when the fine-tuning block is deflected, it can also slide on the horizontal axis and compress the limit spring. The limit spring's own elasticity drives the fine-tuning block to reset, thereby realizing the function of position calibration of the patch on the circuit board, and then cooperates with the deflection block to pressurize it to ensure the accuracy and stability of the patch.

[0010] A first screw transmission module is arranged on one side of the top of the base, a second screw transmission module with adjustable position is arranged on the first screw transmission module, a welding machine with adjustable position is arranged on the second screw transmission module, an axle pin seat is installed at one end of the two conveying frames by bolts, and each of the axle pin seats is rotatably connected with a vertical rod by an axle pin, a second electric push rod is arranged on the two vertical rods, and the output end of each of the second electric push rods passes through the vertical rod and extends to one side of the axle pin seat, an industrial camera is arranged on one side of the two cross bars, and each of the industrial cameras is installed on the conveying frames by bolts, and a material guide cavity is formed between the two conveying frames; It can be seen that in the above technical solution, the output of the second electric push rod is recovered, so that the vertical rod can rotate along the axis point of the connection between the vertical rod and the axle pin seat, and then the pressure wheel can pressurize the material roll, so that the material roll can fit tightly with the circuit board, ensuring that the surface assembly components without pins or short leads are installed on the surface of the circuit board, and the position of the second screw drive module is adjusted by the first screw drive module, and the second screw drive module adjusts the position of the welding machine, so that the welding machine can be transferred to the top of the circuit board for patching.

[0011] Technical effects and advantages of the present invention: 1. The present invention adjusts the distance between the two conveying racks through the electric slide rail to facilitate the adaptation of circuit boards of different sizes. When the circuit board is conveyed and mounted in the material guide cavity, the output of the second electric push rod is recovered, so that the vertical rod can rotate along the axis point of the connection between the vertical rod and the shaft pin seat, and then the pressure wheel can pressurize the material roll, so that the material roll can be closely attached to the circuit board, ensuring that the surface assembly components without pins or short leads are installed on the surface of the circuit board; 2. The present invention limits the position of the material roll by two conveying racks, and at the same time, the material roll covered with the pins is placed on the material roll wheel, and one end of the material roll is wound on the winding wheel through the support wheel, so that the material roll can be easily extracted when the motor drives the winding wheel to rotate, and the pins on the material roll can be conveniently transferred to the circuit board; 3. When the fine-tuning block is deflected, the present invention can also slide on the horizontal axis and compress the limit spring. The limit spring's own elasticity drives the fine-tuning block to reset, thereby realizing the function of position calibration of the patch on the circuit board, and then pressurizing it with the deflection block to ensure the accuracy and stability of the patch; To summarize, through the corresponding coordinated use of various structures, the drive motor drives the reel to rotate to extract the material roll, and at the same time facilitates the transfer of the pins on the material roll to the circuit board. The electric slide rail adjusts the distance between the two conveyor racks to facilitate adapting to circuit boards of different sizes. The pressure wheel can pressurize the material roll so that the material roll can fit tightly with the circuit board to ensure that surface assembly components without pins or short leads are installed on the surface of the circuit board. When the fine-tuning block is deflected, it can also slide on the horizontal axis and compress the limit spring. The elasticity of the limit spring itself drives the fine-tuning block to reset, thereby realizing the function of position calibration of the patch on the circuit board, and then cooperates with the deflection block to pressurize it to ensure the accuracy and stability of the patch. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the present invention, the following briefly introduces the drawings required to be used in some embodiments of the present invention. Obviously, the drawings described below are only drawings of some embodiments of the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams, and are not limitations on the actual size of the product involved in the embodiments of the present invention, the actual process of the method, the actual timing of the signal, etc.

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0014] Figure 2 It is a side view of the overall structure of the present invention.

[0015] Figure 3 It is a three-dimensional diagram of the support wheel, elastic base, material winding wheel and winding wheel of the present invention.

[0016] Figure 4 This is a three-dimensional diagram of the positioning processing assembly of the present invention installed on the base.

[0017] Figure 5 For the present invention Figure 3 Top view of the .

[0018] Figure 6 It is a stereoscopic diagram of the shaft pin seat, the pressure wheel, the vertical rod and the second electric push rod of the present invention.

[0019] Figure 7 It is a stereoscopic diagram of the fine-tuning block, the crossbar, the deflection block and the first electric push rod of the present invention.

[0020] Figure 8 For the present invention Figure 7 Exploded diagram.

[0021] The reference numerals are: 1, base; 101, vertical plate; 102, support wheel; 103, elastic base; 104, driving motor; 105, winding wheel; 106, display screen; 107, material winding wheel; 2. Electric slide rail; 201. Conveying frame; 202. Deflection block; 203. Pressing block; 204. Crossbar; 205. Fine adjustment block; 206. Cross shaft; 207. Limiting spring; 208. First electric push rod; 3. Axis pin seat; 301. Vertical rod; 302. Second electric push rod; 303. Pressure wheel; 304. Industrial camera; 305. First screw transmission module; 306. Second screw transmission module; 307. Welding machine. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] The terms "first", "second", "third" in the embodiments of the present application are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined as "first", "second", "third" can expressly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or devices.

[0024] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0025] As attached Figure 1 - Figure 8The SMT placement machine for circuit board processing shown in the figure uses a positioning processing component set on the base 1 and correspondingly cooperates with each structure. When the drive motor 104 drives the reel 105 to rotate, the material roll is extracted, and at the same time, the pins on the material roll are conveniently transferred to the circuit board. The electric slide rail 2 adjusts the distance between the two conveyor racks 201 to facilitate the adaptation to circuit boards of different sizes. The pressure wheel 303 can pressurize the material roll so that the material roll can fit tightly with the circuit board to ensure that the surface assembly components without pins or short leads are installed on the surface of the circuit board. When the fine-tuning block 205 deflects, it can also slide on the horizontal axis 206 and compress the limit spring 207. The limit spring 207 drives the fine-tuning block 205 to reset through its own elasticity, so as to realize the function of position calibration of the patch on the circuit board, and then cooperates with the deflection block 202 to pressurize it to ensure the accuracy and stability of the patch. The specific structure of the component is set as follows; The positioning processing component includes a vertical plate 101 arranged on one side of the top of the base 1, and a support wheel 102 is rotatably connected to the vertical plate 101. One end of the support wheel 102 is rotatably connected to an elastic base 103, and the elastic base 103 is sleeved on the vertical plate 101. A driving motor 104 is arranged at the bottom of the support wheel 102, and the driving motor 104 is installed on the vertical plate 101 by bolts, and a winding wheel 105 is arranged at the output end of the driving motor 104. A material winding wheel 107 is arranged on one side of the support wheel 102, and the material winding wheel 107 is installed on the vertical plate 101. A display screen 106 is arranged on one side of the top of the base 1.

[0026] Two electric slide rails 2 are arranged on one side of the vertical plate 101, and each electric slide rail 2 is installed on the base 1, and a conveying frame 201 is arranged on each of the two electric slide rails 2, and a deflection block 202 is arranged on one side of the top of the two conveying frames 201, and a pressure block 203 is arranged on each deflection block 202, and a cross bar 204 is installed on one side of the top of the pressure block 203 by bolts, and a fine-tuning block 205 is arranged at one end of the cross bar 204, and the cross bar 204 is embedded in the fine-tuning block 205, and the cross bar 204 is connected to the conveying frame 201. The fine-tuning block 205 is rotatably connected via an axle pin, and a transverse axis 206 is provided at one end of the fine-tuning block 205. One end of the transverse axis 206 passes through the fine-tuning block 205 and the transverse bar 204 in sequence and extends to one side of the fine-tuning block 205. A limit spring 207 is sleeved on the outer side of the transverse axis 206, and the limit spring 207 is located on one side of the transverse bar 204. The bottom of the electric slide rail 2 is rotatably connected to a first electric push rod 208 via an axle pin. The output end of the first electric push rod 208 extends to one side of the transverse bar 204 and is rotatably connected to the transverse bar 204 via an axle pin.

[0027] A first screw transmission module 305 is provided on one side of the top of the base 1, a second screw transmission module 306 with adjustable position is provided on the first screw transmission module 305, a welding machine 307 with adjustable position is provided on the second screw transmission module 306, one end of the two conveying frames 201 are both installed with an axle pin seat 3 by bolts, and each axle pin seat 3 is rotatably connected with a vertical rod 301 by an axle pin, a second electric push rod 302 is provided on the two vertical rods 301, and the output end of each second electric push rod 302 passes through the vertical rod 301 and extends to one side of the axle pin seat 3, an industrial camera 304 is provided on one side of the two cross bars 204, and each industrial camera 304 is installed on the conveying frame 201 by bolts, and a material guide cavity is formed between the two conveying frames 201.

[0028] When the above structure is used, when the circuit board is processed for patch processing, the circuit board is placed in the material guide cavity and limited by two conveying racks 201. At the same time, the material roll with pins attached is placed on the material roll wheel 107, and one end of it is wrapped around the winding wheel 105 through the support wheel 102. It is easy to drive the motor 104 to drive the winding wheel 105 to rotate to extract the material roll, and at the same time, it is convenient to transfer the pins on the material roll to the circuit board.

[0029] At the same time, when performing patching, in order to ensure the stability of the circuit board during patching, the electric slide rail 2 adjusts the distance between the two conveyor racks 201 to facilitate adapting to circuit boards of different sizes. When the circuit board is conveyed and patched in the material guide cavity, the output of the second electric push rod 302 is recovered, so that the vertical rod 301 can rotate along the axis point of the connection between the vertical rod 301 and the axle pin seat 3, and then the pressure wheel 303 can pressurize the material roll, so that the material roll can fit tightly with the circuit board, ensuring that surface assembly components without pins or short leads are installed on the surface of the circuit board.

[0030] At the same time, the first electric push rod 208 drives the cross bar 204 to rotate along the axis point of the connection between the cross bar 204 and the conveyor frame 201, so that the deflection block 202, the cross bar 204 and the fine-tuning block 205 are deflected. At the same time, when the fine-tuning block 205 is deflected, it can also slide on the horizontal axis 206 and compress the limit spring 207. The limit spring 207's own elasticity drives the fine-tuning block 205 to reset, thereby realizing the function of position calibration of the patch on the circuit board, and then cooperates with the deflection block 202 to pressurize it to ensure the accuracy and stability of the patch.

[0031] At the same time, the first screw drive module 305 adjusts the position of the second screw drive module 306, and the second screw drive module 306 adjusts the position of the welder 307, so that the welder 307 can be transferred to the top of the circuit board for patching.

[0032] Different from the prior art, the present application discloses an SMT placement machine for circuit board processing. Through the corresponding coordination of various structures, the drive motor 104 drives the winding wheel 105 to rotate to extract the material roll, and at the same time facilitates the transfer of the pins on the material roll to the circuit board. The electric slide rail 2 adjusts the distance between the two conveyor racks 201 to facilitate adapting to circuit boards of different sizes. The pressure wheel 303 can pressurize the material roll so that the material roll can fit tightly with the circuit board to ensure that surface assembly components without pins or short leads are installed on the surface of the circuit board. When the fine-tuning block 205 is deflected, it can also slide on the horizontal axis 206 and compress the limit spring 207. The elasticity of the limit spring 207 itself drives the fine-tuning block 205 to reset, thereby realizing the function of position calibration of the patch on the circuit board, and then cooperates with the deflection block 202 to pressurize it to ensure the accuracy and stability of the patch.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A SMT placement machine for circuit board processing, comprising a base (1), characterized in that: The base (1) is provided with a positioning processing component; The positioning processing assembly comprises a vertical plate (101) arranged on one side of the top of the base (1); Two electric slide rails (2) are arranged on one side of the vertical plate (101), and each of the electric slide rails (2) is mounted on the base (1); a conveying frame (201) is arranged on each of the two electric slide rails (2); a deflection block (202) is arranged on one side of the top of each of the two conveying frames (201); each of the deflection blocks (202) is arranged on a pressure block (203); and a cross bar (204) is mounted on one side of the top of each of the pressure blocks (203) via bolts; A first screw drive module (305) is arranged on one side of the top of the base (1), a position-adjustable second screw drive module (306) is arranged on the first screw drive module (305), and a position-adjustable welder (307) is arranged on the second screw drive module (306).

2. The SMT placement machine for circuit board processing according to claim 1, characterized in that: A support wheel (102) is rotatably connected to the vertical plate (101), one end of the support wheel (102) is rotatably connected to an elastic base (103), and the elastic base (103) is sleeved on the vertical plate (101).

3. The SMT placement machine for circuit board processing according to claim 2, characterized in that: A driving motor (104) is provided at the bottom of the supporting wheel (102); the driving motor (104) is mounted on the vertical plate (101) via bolts; and a winding wheel (105) is provided at the output end of the driving motor (104).

4. The SMT placement machine for circuit board processing according to claim 2, characterized in that: A material reel wheel (107) is provided on one side of the support wheel (102), and the material reel wheel (107) is mounted on the vertical plate (101). A display screen (106) is provided on one side of the top of the base (1).

5. The SMT placement machine for circuit board processing according to claim 1, characterized in that: A fine-tuning block (205) is provided at one end of the crossbar (204), the crossbar (204) is embedded in the fine-tuning block (205), and the crossbar (204) is rotatably connected to the conveying frame (201) via an axle pin.

6. The SMT placement machine for circuit board processing according to claim 5, characterized in that: A transverse axis (206) is provided at one end of the fine-tuning block (205), and one end of the transverse axis (206) passes through the fine-tuning block (205) and the transverse rod (204) in sequence and extends to one side of the fine-tuning block (205).

7. The SMT placement machine for circuit board processing according to claim 6, characterized in that: A limit spring (207) is sleeved on the outer side of the transverse axis (206), and the limit spring (207) is located on one side of the transverse bar (204). The bottom of the electric slide rail (2) is rotatably connected to a first electric push rod (208) via an axle pin. The output end of the first electric push rod (208) extends to one side of the transverse bar (204) and is rotatably connected to the transverse bar (204) via an axle pin.

8. The SMT placement machine for circuit board processing according to claim 1, characterized in that: One end of the two conveying frames (201) is mounted with an axle pin seat (3) via a bolt, and each axle pin seat (3) is rotatably connected to a vertical rod (301) via an axle pin.

9. The SMT placement machine for circuit board processing according to claim 8, characterized in that: A second electric push rod (302) is disposed on each of the two vertical rods (301), and an output end of each of the second electric push rods (302) passes through the vertical rod (301) and extends to one side of the shaft pin seat (3).

10. The SMT placement machine for circuit board processing according to claim 1, characterized in that: An industrial camera (304) is provided on one side of each of the two cross bars (204), and each of the industrial cameras (304) is mounted on a conveying frame (201) by means of bolts, and a material guiding cavity is formed between the two conveying frames (201).

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