Multi-specification SMT automated placement equipment

By designing multi-spec SMT automated mounting equipment and using automated machinery to process different parts and multiple materials, the problems of single production specifications and low manual operation efficiency of existing equipment are solved, and efficient multi-spec production and improved production efficiency are achieved. and product quality.

CN112384055BActive Publication Date: 2024-12-10SUZHOU LINGYU ELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202011249948.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-11-10
Publication Date
2024-12-10
Estimated Expiration
2040-11-10

AI Technical Summary

Technical Problem

The existing SMT mounting equipment has a single production specifications and cannot meet the production needs of multiple specifications. It has low manual operation efficiency and high labor intensity, so it cannot meet the demand for high production capacity.

Method used

A multi-specified SMT automatic mounting equipment is designed, including machine, feeding device, patching device and discharge device. It uses automated machinery to replace manual operation, and can handle different parts and multiple materials to achieve multi-specified assembly. , and automatically peel, re-stick and discharge treatment through components such as material passing channels, pulling mechanisms, and cutting mechanisms.

Benefits of technology

It has improved the level of automation, reduced labor costs, improved production efficiency and product quality, and is suitable for production plants with shortage of land areas, achieved installation production in multiple specifications, and improved the freedom and practicality of equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a multi-specification SMT automated mounting equipment, including a machine, a first feeding device, a second feeding device, a mounting device, a first discharging device and a second discharging device. The first feeding device and the second feeding device are arranged on one side of the end face of the machine, the first discharging device and the second discharging device are arranged on the other side of the end face of the machine, and the mounting device is arranged on the end face of the machine. The present invention discloses a dual-specification SMT mounting automated equipment. The equipment can mount different parts and components, and can mount multiple products with one machine; it can supply multiple different types of materials at the same time, and mount them on multiple different products for multi-specification assembly. The equipment has a reasonable structure, and adopts automated machinery to replace manual operation, thereby improving operating efficiency, and effectively solving the problem of not being able to meet production capacity requirements due to low labor efficiency and high labor intensity; moreover, it is particularly suitable for production plants with limited land area, and can realize multi-specification mounting production.
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Description

Technical Field

[0001] The present invention relates to the technical field of automated production equipment, and in particular to multi-specification SMT automated mounting equipment. Background Art

[0002] Most current SMT placement equipment uses a linear module to drive the suction head to place the materials onto the main material belt and then send them out of the equipment. The production specifications are single and not conducive to use. Summary of the invention

[0003] According to one aspect of the present invention, a multi-specification SMT automated placement device is provided, comprising a machine platform, a first feeding device, a second feeding device, a placement device, a first discharging device and a second discharging device, wherein the first feeding device and the second feeding device are arranged on one side of an end surface of the machine platform, the first discharging device and the second discharging device are arranged on the other side of the end surface of the machine platform, and the placement device is arranged on the end surface of the machine platform;

[0004] The first feed device is configured to provide a first workpiece;

[0005] The second feed device is configured to provide a second workpiece;

[0006] The material attaching device is configured to attach the first workpiece or the second workpiece to the first material discharging device or the second material discharging device;

[0007] The first discharging device is configured to process the feeding and discharging of the first workpiece that has completed the transfer;

[0008] The second discharging device is configured to process the feeding and discharging of the second workpiece after the transfer.

[0009] The present invention discloses an automatic SMT mounting device for dual specifications. The device can mount different parts and components, and can mount multiple products with one machine; it can supply multiple different types of materials at the same time, and mount them on multiple different products to perform multi-specification assembly. The device has a reasonable structure, adopts automatic machinery to replace manual operation, improves operation efficiency, and effectively solves the problem that the production capacity demand cannot be met due to low labor efficiency and high labor intensity; moreover, it is particularly suitable for production plants with limited land area, and can realize multi-specification mounting production.

[0010] In some embodiments, the first discharging device includes a feeding channel, a pulling mechanism, a cutting mechanism, a first discharging conveyor belt and a first pressing mechanism. The feeding channel and the first discharging conveyor belt are respectively arranged at the front and rear ends of the pulling mechanism. The cutting mechanism is arranged on the first discharging conveyor belt and is located close to one end of the pulling mechanism, so the first pressing mechanism is arranged on one side of the pulling mechanism. A vacuum adsorption mechanism is provided on the feeding channel.

[0011] Therefore, during the operation of the first discharging device, another base material belt flows through the material transfer channel, and the base material belt is pulled by the pulling mechanism. Before pulling, the base material belt is fixed by the first pressing mechanism; the pasting device mounts the first workpiece and the second workpiece onto the base material belt, and after the pasting is completed, the base material belt is processed and cut by the cutting mechanism, and the product flows out of the equipment along the first discharging conveyor belt.

[0012] In some embodiments, the material pulling mechanism includes a first driving member and a material pulling channel, the first material pressing mechanism includes a second driving member and a first material pressing plate, the material pulling channel is arranged at the driving end of the first driving member, the second driving member is arranged on one side of the first driving member, and the first material pressing plate is arranged at the driving end of the second driving member.

[0013] Therefore, during the material pulling step, the bottom material belt flows in the material pulling channel, the second driving member drives the first material pressing plate to press the bottom material belt, and the first driving member drives the material pulling channel to move forward, thereby achieving material pulling and pressing.

[0014] In some embodiments, the cutting mechanism includes a cutting channel, a third driving member and a cutter. The third driving member is mounted above the cutting channel through a first mounting bracket. A cutting edge is provided at the tail end of the cutting channel, so the cutter is provided at the driving end of the third driving member and cooperates with the cutting edge limiter.

[0015] Therefore, during the cutting step, the mounted base material tape enters the cutting channel, the third driving member drives the cutter into the cutting edge, and cooperates with the cutting edge to cut the base material tape; the cut base material tape flows out of the device along the first discharge conveyor belt.

[0016] In some embodiments, the second discharging device includes a reflux conveyor belt, a second discharging conveyor belt, a blocking mechanism, a pushing mechanism and a second pressing mechanism. The reflux conveyor belt and the second discharging conveyor belt are adjacent to each other, and the same end of the reflux conveyor belt and the second discharging conveyor belt are interconnected. The blocking mechanism is arranged on the reflux conveyor belt, and the pushing mechanism is arranged at one end of the reflux conveyor belt and the second discharging conveyor belt that are interconnected. The second pressing mechanism is arranged on one side of the second discharging conveyor belt and close to one end of the pushing mechanism. Work material carriers flow on the reflux conveyor belt and the second discharging conveyor belt.

[0017] Therefore, during the operation of the second discharging device, the reflux conveyor belt transports the loading tray. When the loading tray is transported to the interconnecting end of the reflux conveyor belt, the pushing mechanism moves the loading tray to the second discharging conveyor belt. The second pressure mechanism presses the loading tray, and the material moving device inputs the workpiece into the loading tray. When the loading tray is fully loaded with workpieces, the loading tray flows out of the equipment along the second discharging conveyor belt.

[0018] In some embodiments, the blocking mechanism includes a second mounting frame, a fourth driving member and a blocking plate, the fourth driving member is suspended above the return conveyor belt through the second mounting frame, and the blocking plate is disposed at the driving end of the fourth driving member.

[0019] Thus, when there is a material carrier plate at the intercommunication end, the blocking mechanism blocks the next material carrier plate.

[0020] In some embodiments, the pushing mechanism includes a fifth driving member and a pushing rod. The fifth driving member is located at the interconnected end of the reflux conveyor belt and the second discharge conveyor belt. The pushing rod is arranged at the driving end of the fifth driving member and embedded in the interconnected end of the reflux conveyor belt and the second discharge conveyor belt.

[0021] Therefore, during the operation of the pushing mechanism, the fifth driving member drives the push rod to move the carrier plate to the second discharge conveyor belt.

[0022] In some embodiments, the second pressing mechanism includes a sixth driving member and a second pressing plate. The sixth driving member is disposed at one side of the second discharge conveyor belt, and the second pressing plate is disposed at a driving end of the sixth driving member.

[0023] Therefore, during the working process of the second pressing mechanism, the sixth driving member drives the second pressing plate to press the carrier plate.

[0024] In some embodiments, the mounting device includes a first driving module, a second driving module, a third driving module, a mounting head and a visual mechanism. The first driving module is arranged on the machine platform, the second driving module is arranged at the driving end of the first driving module, and the third driving module is arranged at the driving end of the second driving module. The first driving module, the second driving module and the third driving module are distributed vertically to each other, and the mounting head is arranged at the driving end of the third driving module; the visual mechanism moves synchronously with the second driving module.

[0025] Thus, the first driving module, the second driving module and the third driving module jointly drive the patch head to move, and a visual mechanism is used to visually guide the sheet material before patching.

[0026] In some embodiments, the first feeding device and the second feeding device have the same structure, and both include a waste collecting module, a material discharging module, a material stripping module, a fixed plate, and a winding transmission module. The waste collecting module, the material discharging module, the material stripping module, and the winding transmission module are all arranged on the fixed plate, the material discharging module is located below the waste collecting module, the material stripping module is located on one side of the waste collecting module, and the winding transmission module is arranged between the material discharging module and the material stripping module.

[0027] Thus, the coil is stripped by the first feeding device, so that the workpiece on the coil is peeled off.

[0028] The beneficial effects of the present invention are embodied in the following aspects: the equipment can automatically complete the processes of stripping, transferring, discharging, etc., replace manual labor, improve the level of automation, reduce labor costs, and improve production efficiency and product quality. Moreover, the equipment has a high degree of freedom, can be freely combined to meet different process requirements, and process products of different specifications, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the three-dimensional structure of a multi-specification SMT automated placement equipment according to one embodiment of the present invention.

[0030] Figure 2 for Figure 1 The diagram shows a top view of the structure of multi-specification SMT automated placement equipment.

[0031] Figure 3 for Figure 1 The three-dimensional structural schematic diagram of the first feeding device in the multi-specification SMT automatic placement equipment is shown.

[0032] Figure 4 for Figure 1 The three-dimensional structural schematic diagram of the material transfer device in the multi-specification SMT automatic placement equipment is shown.

[0033] Figure 5 for Figure 1 The three-dimensional structural schematic diagram of the first discharge device in the multi-specification SMT automatic placement equipment is shown.

[0034] Figure 6 for Figure 5 Schematic diagram of the enlarged structure of the part A in the middle.

[0035] Figure 7 for Figure 1 The three-dimensional structural schematic diagram of the second discharge device in the multi-specification SMT automatic placement equipment is shown.

[0036] Figure 8 for Figure 7 Schematic diagram of the enlarged structure of the part B in the middle.

[0037] Numbers in the figure: 1-machine, 2-first feeding device, 21-waste collection module, 22-discharging module, 23-stripping module, 24-fixing plate, 25-winding transmission module, 3-second feeding device, 4-pasting device, 41-first driving module, 42-second driving module, 43-third driving module, 44-pasting head, 45-visual mechanism, 5-first discharging device, 51-feeding channel, 52-pulling mechanism, 521-first driving member, 522-pulling channel, 53-cutting mechanism, 531-cutting channel Road, 532-third driving member, 533-cutter, 54-first discharge conveyor belt, 55-first pressing mechanism, 551-second driving member, 552-first pressing plate, 6-second discharge device, 61-reflux conveyor belt, 62-second discharge conveyor belt, 63-blocking mechanism, 631-second mounting frame, 632-fourth driving member, 633-blocking plate, 64-pushing mechanism, 641-fifth driving member, 642-push rod, 65-second pressing mechanism, 651-sixth driving member, 652-second pressing plate. DETAILED DESCRIPTION

[0038] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0039] Figure 1-2 The multi-specification SMT automatic placement equipment according to an embodiment of the present invention is schematically shown, comprising a machine 1, a first feeding device 2, a second feeding device 3, a placement device 4, a first discharging device 5 and a second discharging device 6, wherein the first feeding device 2 and the second feeding device 3 are arranged on the front side of the end face of the machine 1, the first discharging device 5 and the second discharging device 6 are arranged on the right side of the end face of the machine 1, and the placement device 4 is arranged on the end face of the machine 1;

[0040] The first feeding device 2 is configured to provide a first workpiece;

[0041] The second feeding device 3 is configured to provide a second workpiece;

[0042] The material attaching device 4 is configured to attach the first workpiece or the second workpiece to the first material discharging device 5 or the second material discharging device 6;

[0043] The first discharging device 5 is configured to process the feeding and discharging of the first workpiece after the transfer;

[0044] The second discharging device 6 is configured to process the feeding and discharging of the second workpiece after the transfer.

[0045] The present invention discloses an automatic SMT mounting device for dual specifications. The device can mount different parts and components, and can mount multiple products with one machine; it can supply multiple different types of materials at the same time, and mount them on multiple different products to perform multi-specification assembly. The device has a reasonable structure, adopts automatic machinery to replace manual operation, improves operation efficiency, and effectively solves the problem that the production capacity demand cannot be met due to low labor efficiency and high labor intensity; moreover, it is particularly suitable for production plants with limited land area, and can realize multi-specification mounting production.

[0046] Combination Figure 5-6 The first discharging device 5 includes a feeding channel 51, a pulling mechanism 52, a cutting mechanism 53, a first discharging conveyor belt 54 and a first pressing mechanism 55. The feeding channel 51 and the first discharging conveyor belt 54 are respectively arranged at the front and rear ends of the pulling mechanism 52. The cutting mechanism 53 is arranged on the first discharging conveyor belt 54 and is located close to one end of the pulling mechanism 52, so the first pressing mechanism 55 is arranged on one side of the pulling mechanism 52; a vacuum adsorption mechanism is provided on the feeding channel 51.

[0047] During the operation of the first discharging device 5, another base material belt flows through the material passage 51, and the base material belt is pulled by the pulling mechanism 52. Before pulling, the base material belt is fixed by the first pressing mechanism 55; the pasting device 4 mounts the first workpiece and the second workpiece onto the base material belt. After the pasting is completed, the base material belt is processed and cut by the cutting mechanism 53, and the product flows out of the equipment along the first discharging conveyor belt 54.

[0048] Combination Figure 5-6 The material pulling mechanism 52 includes a first driving member 521 and a material pulling channel 522. The first material pressing mechanism 55 includes a second driving member 551 and a first material pressing plate 552. The material pulling channel 522 is arranged at the driving end of the first driving member 521. The second driving member 551 is arranged at one side of the first driving member 521. The first material pressing plate 552 is arranged at the driving end of the second driving member 551.

[0049] During the material pulling step, the bottom material belt flows in the material pulling channel 522, the second driving member 551 drives the first material pressing plate 552 to press the bottom material belt, and the first driving member 521 drives the material pulling channel 522 to move forward, thereby achieving material pulling and pressing.

[0050] Combination Figure 5-6 The cutting mechanism 53 includes a cutting channel 531, a third driving member 532 and a cutter. The third driving member 532 is mounted above the cutting channel 531 through a first mounting bracket. A cutting edge is provided at the tail end of the cutting channel 531, so the cutter is provided at the driving end of the third driving member 532 and cooperates with the cutting edge limiter.

[0051] During the cutting step, the mounted base material tape enters the cutting channel 531 , and the third driving member 532 drives the cutter to enter the cutting edge and cooperates with the cutting edge to cut the base material tape; the cut base material tape flows out of the device along the first discharging conveyor belt 54 .

[0052] Combination Figure 7-8 The second discharging device 6 includes a reflux conveyor belt 61, a second discharging conveyor belt 62, a blocking mechanism 63, a pushing mechanism 64 and a second pressing mechanism 65. The reflux conveyor belt 61 and the second discharging conveyor belt 62 are adjacently arranged, and the same end of the reflux conveyor belt 61 and the second discharging conveyor belt 62 are interconnected. The blocking mechanism 63 is arranged on the reflux conveyor belt 61, and the pushing mechanism 64 is arranged at one end of the reflux conveyor belt 61 and the second discharging conveyor belt 62 that are interconnected. The second pressing mechanism 65 is arranged on one side of the second discharging conveyor belt 62 and close to one end of the pushing mechanism 64. Work material carriers flow on the reflux conveyor belt 61 and the second discharging conveyor belt 62.

[0053] During the operation of the second discharging device 6, the reflux conveyor belt 61 transports the loading tray. When the loading tray is transported to the interconnecting end of the reflux conveyor belt 61, the pushing mechanism 64 moves the loading tray to the second discharging conveyor belt 62. The second pressure mechanism presses the loading tray, and the workpiece is input into the loading tray by the material shifting device. When the loading tray is fully loaded with workpieces, the loading tray flows out of the equipment along the second discharging conveyor belt 62.

[0054] Combination Figure 7-8 The blocking mechanism 63 includes a second mounting frame 631, a fourth driving member 632 and a blocking plate 633. The fourth driving member 632 is suspended above the return conveyor belt 61 through the second mounting frame 631. The blocking plate 633 is arranged at the driving end of the fourth driving member 632. When there is a material loading plate at the intercommunication end, the blocking mechanism 63 blocks the next material loading plate.

[0055] Combination Figure 7-8 The pushing mechanism 64 includes a fifth driving member 641 and a push rod 642. The fifth driving member 641 is located at the interconnected end of the return conveyor belt 61 and the second discharge conveyor belt 62. The push rod 642 is located at the driving end of the fifth driving member 641 and is embedded in the interconnected end of the return conveyor belt 61 and the second discharge conveyor belt 62. During the operation of the pushing mechanism 64, the fifth driving member 641 drives the push rod 642 to move the carrier plate to the second discharge conveyor belt 62.

[0056] Combination Figure 7-8The second material pressing mechanism includes a sixth driving member 651 and a second material pressing plate 652. The sixth driving member 651 is arranged at one side of the second material discharging conveyor belt 62, and the second material pressing plate 652 is arranged at the driving end of the sixth driving member 651. In the working process of the second material pressing mechanism, the sixth driving member 651 drives, and the second material pressing plate 652 presses the carrier plate.

[0057] Combination Figure 4 The mounting device includes a first driving module 41, a second driving module 42, a third driving module 43, a mounting head 44 and a visual mechanism 45. The first driving module 41 is arranged on the machine 1, the second driving module 42 is arranged at the driving end of the first driving module 41, and the third driving module 43 is arranged at the driving end of the second driving module 42. The first driving module 41, the second driving module 42 and the third driving module 43 are vertically distributed to each other, and the mounting head 44 is arranged at the driving end of the third driving module 43; the visual mechanism 45 moves synchronously with the second driving module 42. The first driving module 41, the second driving module 42 and the third driving module 43 jointly drive the mounting head 44 to move, and the visual mechanism 45 is used to visually guide the sheet material before mounting.

[0058] Combination Figure 3 The first feeding device 2 and the second feeding device 3 have the same structure, and both include a waste collecting module 21, a material discharging module 22, a material stripping module 23, a fixing plate 24, and a winding transmission module 25. The waste collecting module 21, the material discharging module 22, the material stripping module 23, and the winding transmission module 25 are all arranged on the fixing plate 24. The material discharging module 22 is located below the waste collecting module 21, the material stripping module 23 is located on one side of the waste collecting module 21, and the winding transmission module 25 is arranged between the material discharging module 22 and the material stripping module 23. The coil is stripped by the first feeding device 2, so that the workpiece on the coil is peeled off.

[0059] In this embodiment, the first driving member 521 is an electric push rod 642, and the second driving member 551, the third driving member 532, the fourth driving member 632, the fifth driving member 641, and the sixth driving member 651 are all cylinders. The first driving module 41, the second driving module 42, and the third driving module 43 are all screw slider driving modules driven by servo motors, and the patch head 44 uses negative air pressure as power to absorb the workpiece.

[0060] This device has multiple working modes, including:

[0061] (1) The specific steps of producing the standard products by the combination of the first feeding device 2 and the first discharging device 5 are as follows:

[0062] S1. In the first feeding device 2, a material roll is placed on the unloading module 22. The material roll passes through the stripping module 23 and the winding transmission module 25 and is input into the waste collecting module 21. When the first workpiece on the material roll passes through the stripping module 23, the first workpiece on the material roll is stripped and falls off.

[0063] S2. In the material moving device, the first driving module 41, the second driving module 42 and the third driving module 43 jointly drive the patch head 44 to move, and the patch head 44 absorbs the first workpiece, and the visual mechanism 45 is used to visually guide the sheet material before patching.

[0064] S3. In the first discharging device 5, a base material belt is input at the material passage 51, and the base material belt is pulled by the pulling mechanism 52. Before pulling, the base material belt is fixed by the first pressing mechanism 55; the pasting device 4 pastes the first workpiece and the second workpiece onto the base material belt. After pasting, the base material belt is processed and cut by the cutting mechanism 53, and the product flows out of the equipment along the first discharging conveyor belt 54.

[0065] (2) The specific steps of producing the standard products by the combination of the second feeding device 3 and the second discharging device 6 are as follows:

[0066] S1. In the first feeding device 2, a material roll is placed on the unloading module 22. The material roll passes through the stripping module 23 and the winding transmission module 25 and is input into the waste collecting module 21. When the first workpiece on the material roll passes through the stripping module 23, the first workpiece on the material roll is stripped and falls off.

[0067] S2. In the material moving device, the first driving module 41, the second driving module 42 and the third driving module 43 jointly drive the patch head 44 to move, and the patch head 44 absorbs the first workpiece, and the visual mechanism 45 is used to visually guide the sheet material before patching.

[0068] S3. In the second discharging device 6, the reflux conveyor belt 61 transports the loading tray. When the loading tray is transported to the interconnecting end of the reflux conveyor belt 61, the pushing mechanism 64 moves the loading tray to the second discharging conveyor belt 62, and the second pressure mechanism presses the loading tray. The workpiece is input into the loading tray by the material moving device. When the loading tray is fully loaded with workpieces, the loading tray flows out of the equipment along the second discharging conveyor belt 62.

[0069] (3) Or other combinations of products of different specifications, the processing techniques of which can be superimposed to form another product of different specifications.

[0070] This equipment can automatically complete the processes of stripping, transferring, and discharging, replacing manual labor, improving the level of automation, reducing labor costs, and improving production efficiency and product quality. Moreover, this equipment has a high degree of freedom and can be freely combined to meet different process requirements and process products of different specifications, which is highly practical.

[0071] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the creative concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. Multi-specification SMT automated placement equipment, It is characterized in that The machine comprises a machine (1), a first material feeding device (2), a second material feeding device (3), a material pasting device (4), a first material discharging device (5) and a second material discharging device (6), wherein the first material feeding device (2) and the second material feeding device (3) are arranged on one side of the end surface of the machine (1), the first material discharging device (5) and the second material discharging device (6) are arranged on the other side of the end surface of the machine (1), and the material pasting device (4) is arranged on the end surface of the machine (1); The first feeding device (2) is configured to provide a first workpiece; The second feeding device (3) is configured to provide a second workpiece; The material attaching device (4) is configured to attach the first workpiece or the second workpiece to the first material discharging device (5) or the second material discharging device (6); The first discharging device (5) is configured to process the feeding and discharging of the first workpiece that has completed the transfer; The second discharging device (6) is configured to process the feeding and discharging of the second workpiece after the transfer; The first discharging device (5) comprises a material passing channel (51), a material pulling mechanism (52), a material cutting mechanism (53), a first material discharging conveyor belt (54) and a first material pressing mechanism (55); the material passing channel (51) and the first material discharging conveyor belt (54) are respectively arranged at the front and rear ends of the material pulling mechanism (52); the material cutting mechanism (53) is arranged on the first material discharging conveyor belt (54) and is located close to one end of the material pulling mechanism (52); therefore, the first material pressing mechanism (55) is arranged on one side of the material pulling mechanism (52); The material pulling mechanism (52) comprises a first driving member (521) and a material pulling channel (522); the first material pressing mechanism (55) comprises a second driving member (551) and a first material pressing plate (552); the material pulling channel (522) is arranged at the driving end of the first driving member (521); the second driving member (551) is arranged at one side of the first driving member (521); and the first material pressing plate (552) is arranged at the driving end of the second driving member (551); The cutting mechanism (53) comprises a cutting channel (531), a third driving member (532) and a cutting knife (533); the third driving member (532) is arranged above the cutting channel (531) through a first mounting frame; a cutting edge is arranged at the tail end of the cutting channel (531); the cutting knife (533) is arranged at the driving end of the third driving member (532) and is limitedly matched with the cutting edge; The second discharging device (6) comprises a reflux conveyor belt (61), a second discharging conveyor belt (62), a blocking mechanism (63), a pushing mechanism (64) and a second pressing mechanism (65); the reflux conveyor belt (61) and the second discharging conveyor belt (62) are arranged adjacent to each other; the same ends of the reflux conveyor belt (61) and the second discharging conveyor belt (62) are interconnected; the blocking mechanism (63) is arranged on the reflux conveyor belt (61); the pushing mechanism (64) is arranged on one end of the reflux conveyor belt (61) and the second discharging conveyor belt (62) that are interconnected; the second pressing mechanism (65) is arranged on one side of the second discharging conveyor belt (62) and close to one end of the pushing mechanism (64); and work material carriers flow on the reflux conveyor belt (61) and the second discharging conveyor belt (62).

2. The multi-specification SMT automated placement equipment according to claim 1, It is characterized in that The blocking mechanism (63) comprises a second mounting frame (631), a fourth driving member (632) and a blocking plate (633); the fourth driving member (632) is suspended above the return conveyor belt (61) via the second mounting frame (631); and the blocking plate (633) is arranged at the driving end of the fourth driving member (632).

3. The multi-specification SMT automated placement equipment according to claim 1, It is characterized in that The pushing mechanism (64) comprises a fifth driving member (641) and a pushing rod (642); the fifth driving member (641) is located at the interconnected end of the return conveyor belt (61) and the second discharge conveyor belt (62); the pushing rod (642) is arranged at the driving end of the fifth driving member (641) and is embedded in the interconnected end of the return conveyor belt (61) and the second discharge conveyor belt (62).

4. The multi-specification SMT automated placement equipment according to claim 1, It is characterized in that The second pressing mechanism comprises a sixth driving member (651) and a second pressing plate (652); the sixth driving member (651) is arranged on one side of the second discharge conveyor belt (62); and the second pressing plate (652) is arranged on the driving end of the sixth driving member (651).

5. The multi-specification SMT automated placement equipment according to any one of claims 1 to 4, It is characterized in that The mounting device comprises a first driving module (41), a second driving module (42), a third driving module (43), a mounting head (44) and a visual mechanism (45); the first driving module (41) is arranged on a machine platform (1); the second driving module (42) is arranged at a driving end of the first driving module (41); the third driving module (43) is arranged at a driving end of the second driving module (42); the first driving module (41), the second driving module (42) and the third driving module (43) are arranged vertically to each other; the mounting head (44) is arranged at a driving end of the third driving module (43); and the visual mechanism (45) moves synchronously with the second driving module (42).

6. The multi-specification SMT automated placement equipment according to claim 5, It is characterized in that The first feeding device (2) and the second feeding device (3) have the same structure, and both comprise a waste collecting module (21), a material discharging module (22), a material stripping module (23), a fixed plate (24), and a winding transmission module (25); the waste collecting module (21), the material discharging module (22), the material stripping module (23), and the winding transmission module (25) are all arranged on the fixed plate (24); the material discharging module (22) is located below the waste collecting module (21); the material stripping module (23) is located on one side of the waste collecting module (21); and the winding transmission module (25) is arranged between the material discharging module (22) and the material stripping module (23).