Bulk material supply equipment of chip mounter

Abstract

The invention discloses bulk material supply equipment of a chip mounter, which belongs to the technical field of material supply and comprises a machine table, a bulk material arrangement module, a continuous material moving structure, a detecting and sorting mechanism and a feeding mechanism. A bulk material arranging module is mounted on the right side of the machine table; a continuous material moving structure, a detecting and sorting mechanism and a feeding mechanism are installed on the left side of the machine table. The continuous material moving structure comprises a rotating frame and a picking structure; the detecting and sorting mechanism comprises a first correcting module installed on the machine table, an electrical property testing module used for detecting the polarity of materials, a steering module used for adjusting the direction of the materials, a second correcting module used for adjusting the direction of the materials, an image detecting module used for conducting visual detection on the materials and a waste removing module used for removing waste. Through the mode, single material supply is realized, single die bonding can be carried out during die bonding of the components, and the distance between the components can be very small; and model changing is more convenient for different components.

Description

Technical Field

[0001] The present invention relates to the technical field of material feeding, in particular to bulk material feeding equipment for a chip placement machine. Background Art

[0002] During production, in order to continuously supply components to the placement machine, the feeding equipment needs to pick up the inspected and adjusted components accurately and quickly at high speed and continuously, and then move them to the placement machine's material picking position; during this process, the electrical components need to be inspected to ensure the quality of the components.

[0003] For example, Chinese patent CN111573233B discloses a material supply device for a placement machine. The device arranges the materials through a vibrating plate and sends them to a disc transfer mechanism. The first and second conveying devices cross-transport the materials to a robot. The robot transfers the entire group of materials to the third component carrier of the discharge mechanism. The belt conveyor delivers the components to the feed port of the placement machine to achieve continuous feeding.

[0004] However, the mechanism transfers the entire group of components to the area to be bonded, which causes the components to be affected by the distance between the mechanisms during the transfer process, resulting in a fixed distance between the components after bonding, and difficulty in changing the model when the component model needs to be changed; the finished product effect cannot meet the further market demand.

[0005] Based on this, the present invention designs a bulk material feeding device for a placement machine to solve the above problems. Summary of the Invention

[0006] In view of the above-mentioned shortcomings of the prior art, the present invention provides a bulk material feeding device for a placement machine.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A bulk material feeding device for a placement machine, comprising a machine platform and a bulk material handling module, and also comprising a continuous material transfer structure, a detection and sorting mechanism, and a feeding mechanism;

[0009] The bulk material handling module is installed on the right side of the machine; the continuous material transfer structure, detection and sorting mechanism and feeding mechanism are installed on the left side of the machine;

[0010] The continuous material transfer structure includes a rotating frame and a picking structure. The rotating frame is rotatably installed on the machine platform, and multiple groups of picking structures for picking up materials are evenly installed on the rotating frame in a circular array with equal spacing.

[0011] The detection and sorting mechanism includes a first correction module installed on the machine platform for adjusting the direction of the material, an electrical testing module for detecting the polarity of the material, a steering module for adjusting the direction of the material, a second correction module for adjusting the direction of the material, an image detection module for visually inspecting the material, and a waste rejection module for rejecting waste; the bulk material handling module, the first correction module, the electrical testing module, the steering module, the second correction module, the image detection module, the waste rejection module and the feeding mechanism are evenly distributed in a circular array on the lower side of the picking structure.

[0012] Furthermore, the bulk material handling module includes a support frame, a storage funnel, a linear feeder 1, a vibrating plate and a linear feeder 2. The support frame is fixedly mounted on the machine platform, and the storage funnel is fixedly mounted on the support frame; the linear feeder 1, the vibrating plate and the linear feeder 2 are fixedly mounted on the machine platform, and the bottom opening of the storage funnel is aligned with one end of the linear feeder 1; the other end of the linear feeder 1 is aligned with the middle of the vibrating plate; the discharge port of the vibrating plate is aligned with the feed port of the linear feeder 2, and the discharge port of the linear feeder 2 is located on the lower side of a picking structure.

[0013] Furthermore, a rotary joint for distributing an air source to the picking structures is fixedly mounted on the rotating frame, and a vacuum breaking valve for controlling different picking structures is fixedly mounted on the rotating frame; the rotary joint is connected to an external vacuum pump.

[0014] Furthermore, the picking structure includes a mounting seat, a pneumatic movable seat, a return spring, a material picking mounting rod and a suction nozzle. The mounting seat is fixedly mounted on the edge of the rotating frame, and the pneumatic movable seat is fixedly mounted on the rotating frame; the output end of the pneumatic movable seat is fixedly connected to the upper end of the material picking mounting rod, and the material picking mounting rod is passed through the pneumatic movable seat and is sleeved with a return spring; a suction nozzle for picking up materials is fixedly mounted on the bottom of the material picking mounting rod; one end of the return spring is fixedly connected to the mounting seat, and the other end of the return spring is fixedly connected to the suction nozzle.

[0015] Furthermore, the feeding mechanism includes a feeding table, a feeding track, a positive pressure blowing pipe and a separation block. The feeding table is fixedly mounted on the machine platform, and a feeding track is provided inside the feeding table. One end of the feeding table is aligned with a material picking mounting rod; the other end of the feeding table is fixedly mounted with a separation block; and the end of the feeding table away from the separation block is fixedly mounted with a positive pressure blowing pipe for blowing air into the feeding track.

[0016] Furthermore, the feeding mechanism also includes a vacuum suction pipe, and the vacuum suction pipe connected to the bottom of the feeding track is fixedly installed on the feeding table.

[0017] Furthermore, the first correction module includes a centering module and a driving module. The centering module is installed on the machine platform, and the driving module is installed on the centering module.

[0018] Furthermore, the centering module includes a support seat, a mounting table, a slider, an annular spring and a conformal block. The support seat is fixedly mounted on the machine platform, and the mounting table is fixedly mounted on the support seat; four slide grooves are evenly spaced in a circular array on the mounting table; a slider is installed in the slide groove for limited sliding; a conformal block for positioning the material is fixedly installed on the inside of the slider; an annular groove is opened in the middle of the outer wall of the mounting table; and an annular spring for squeezing the slider is installed in the annular groove outside the mounting table.

[0019] Furthermore, the driving module includes a driving roller and a square rotating block. An arc groove is provided on the outside of the slider, and the arc groove is aligned with the annular groove on the outside of the mounting table; the annular spring is located in the arc groove; a driving roller is rotatably installed on the inside of the slider; a square rotating block driven by a servo motor is rotatably installed inside the mounting table; arc surfaces are provided at the four corners of the square rotating block; the square rotating block is rollingly connected to the driving roller.

[0020] Furthermore, the steering module includes a mounting frame, a mounting platform, a rotating platform and a photoelectric sensor. The mounting frame is fixedly mounted on the machine platform; the mounting platform is fixedly mounted on the mounting frame; a rotating platform driven by a servo motor is rotatably mounted on the mounting platform; a conformal groove is opened in the middle of the rotating platform; mutually perpendicular detection grooves are opened on the rotating platform; the intersection of the two detection grooves is located at the center of the rotating platform; a photoelectric sensor for detecting materials is fixedly mounted on the mounting platform.

[0021] Compared with the prior art, the present invention has the following beneficial effects: the bulk material handling module preliminarily organizes the square materials and conveys them to the lower side of the picking structure; then the picking structure picks up the materials, and the rotating frame drives it to rotate, so that the materials pass through the first correction module (adjusting the direction and position to ensure detection accuracy), the electrical testing module (detecting the polarity of the material), the steering module (making the electrical direction of the material uniform), the second correction module (adjusting the direction and position again for visual detection), the image detection module, the waste rejection module (removing unqualified materials) and the feeding mechanism (feeding by the feeding mechanism), thereby realizing the arrangement and feeding of materials and achieving single feeding, so that single bonding can be performed when bonding components, so that the spacing between components can be very small; and it is more convenient to change the model for different components. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.

[0023] Figure 1 A three-dimensional bulk material feeding device for a chip placement machine of the present invention Figure 1 ;

[0024] Figure 2 It is a front view of a bulk material feeding device of a chip placement machine of the present invention;

[0025] Figure 3 A top view of a bulk material feeding device for a chip placement machine according to the present invention;

[0026] Figure 4 A three-dimensional bulk material feeding device for a chip placement machine of the present invention Figure 2 ;

[0027] Figure 5 for Figure 1 Enlarged view of point A in the middle;

[0028] Figure 6 A three-dimensional bulk material feeding device for a chip placement machine of the present invention Figure 3 ;

[0029] Figure 7 It is a schematic diagram of the square rotating block and its connection structure;

[0030] Figure 8 Schematic diagram of the rotating platform and its connection structure;

[0031] Figure 9 for Figure 6 Enlarged view of point B in the middle.

[0032] The numbers in the figure represent:

[0033] 1. Machine; 2. Bulk material handling module; 21. Support frame; 22. Storage hopper; 23. Linear feeder 1; 24. Vibrating plate; 25. Linear feeder 2; 3. Continuous material transfer mechanism; 31. Rotating frame; 311. Rotary joint; 312. Vacuum breaker valve; 32. Pickup mechanism; 321. Mounting seat; 322. Pneumatic moving seat; 323. Return spring; 324. Material picking mounting rod; 325. Suction nozzle; 4. Detection and sorting mechanism; 41. First calibration module; 411. Support seat; 412. Mounting table; 413. Slide; 414. Slider; 414 1. Arc groove; 4142. Driving roller; 415. Annular spring; 416. Square rotating block; 417. Conformal block; 42. Electrical test module; 43. Steering module; 431. Mounting frame; 432. Mounting table; 433. Turntable; 434. Conformal groove; 435. Detection groove; 436. Photoelectric sensor; 44. Second correction module; 45. Image detection module; 46. Waste rejection module; 461. Collection bucket; 5. Feeding mechanism; 51. Feeding table; 52. Feeding track; 53. Positive pressure blowing pipe; 54. Vacuum suction pipe; 55. Separation block. DETAILED DESCRIPTION

[0034] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings 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 making any creative efforts shall fall within the scope of protection of the present invention.

[0035] The terms “left,” “right,” “front,” “back,” “up,” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0036] Example 1: In some embodiments, please refer to the accompanying drawings of the specification. Figure 1-Figure 3 , a bulk material feeding device for a placement machine, comprising a machine platform 1 and a bulk material handling module 2, further comprising a continuous material transfer structure 3, a detection and sorting mechanism 4 and a feeding mechanism 5;

[0037] The bulk material processing module 2 is installed on the right side of the machine 1; the continuous material transfer structure 3, the detection and sorting mechanism 4 and the feeding mechanism 5 are installed on the left side of the machine 1;

[0038] like Figure 2 As shown, the continuous material transfer structure 3 includes a rotating frame 31 and a picking structure 32. The rotating frame 31 is rotatably mounted on the machine 1. A plurality of groups of picking structures 32 for picking up materials are evenly mounted on the rotating frame 31 in a circular array at equal intervals.

[0039] like Figure 3 As shown, the detection and sorting mechanism 4 includes a first correction module 41 installed on the machine 1 for adjusting the direction of the material, an electrical testing module 42 for detecting the polarity of the material, a steering module 43 for adjusting the direction of the material, a second correction module 44 for adjusting the direction of the material, an image detection module 45 for visually detecting the material, and a waste rejection module 46 for rejecting waste; the left end of the bulk material processing module 2, the first correction module 41, the electrical testing module 42, the steering module 43, the second correction module 44, the image detection module 45, the waste rejection module 46 and the feeding mechanism 5 are evenly distributed in a circular array on the lower side of the picking structure 32.

[0040] In this embodiment, when the bulk material feeding device of the placement machine is working normally, the square materials are preliminarily sorted by the bulk material handling module 2, and then the bulk material handling module 2 conveys the materials to the lower side of a picking structure 32; after the picking structure 32 picks up the materials, the rotating frame 31 drives the picking structure 32 to rotate, so that the materials are moved to the upper side of the first correction module 41, the electrical testing module 42, the steering module 43, the second correction module 44, the image detection module 45, the waste material removal module 46 and the feeding mechanism 5 at one time; the direction and position of the materials are adjusted by the first correction module 41, so that the materials are moved to the standard position to facilitate the accuracy of subsequent detection; the electrical properties of the materials are detected by the electrical testing module 42 to determine the polarity of the materials. , and then the material is adjusted through the steering module 43 so that the electrical properties of the material are facing the same direction; single feeding is achieved, so that single bonding can be performed when bonding components, so that the spacing between components can be very small; thereby achieving the uniformity of feeding, further sorting the material, and making the feeding more accurate; at the second correction module 44, the direction and then the position of the material are adjusted again, so as to facilitate the subsequent accurate visual inspection by the image detection module 45; at the waste rejection module 46, the picking structure 32 puts down the unqualified material, thereby removing the unqualified material and ensuring the quality of the feeding; and then the material is transported to the top of the feeding mechanism 5, and the material is placed in the feeding mechanism 5, and fed through the feeding mechanism 5.

[0041] Embodiment 2: In some embodiments, as a preferred embodiment of the present invention, as Figure 4 As shown, the bulk material handling module 2 includes a support frame 21, a storage hopper 22, a linear feeder 23, a vibration plate 24 and a linear feeder 25. The support frame 21 is fixedly mounted on the machine platform 1, and the storage hopper 22 is fixedly mounted on the support frame 21; the linear feeder 23, the vibration plate 24 and the linear feeder 25 are fixedly mounted on the machine platform 1, and the bottom opening of the storage hopper 22 is aligned with one end of the linear feeder 23; the other end of the linear feeder 23 is aligned with the middle of the vibration plate 24; the discharge port of the vibration plate 24 is aligned with the feed port of the linear feeder 25, and the discharge port of the linear feeder 25 is located on the lower side of a picking structure 32;

[0042] like Figure 5 and Figure 9 As shown, a rotary joint 311 for distributing an air source to the picking structures 32 is fixedly mounted on the rotating frame 31 , and a vacuum breaking valve 312 for controlling different picking structures 32 is fixedly mounted on the rotating frame 31 ; the rotary joint 311 is connected to an external vacuum pump;

[0043] The picking structure 32 includes a mounting seat 321, a pneumatic movable seat 322, a return spring 323, a material picking mounting rod 324 and a suction nozzle 325. The mounting seat 321 is fixedly mounted on the edge of the rotating frame 31, and the pneumatic movable seat 322 is fixedly mounted on the rotating frame 31; the output end of the pneumatic movable seat 322 is fixedly connected to the upper end of the material picking mounting rod 324, and the material picking mounting rod 324 passes through the pneumatic movable seat 322 and is sleeved with a return spring 323; a suction nozzle 325 for picking up materials is fixedly mounted on the bottom of the material picking mounting rod 324; one end of the return spring 323 is fixedly connected to the mounting seat 321, and the other end of the return spring 323 is fixedly connected to the suction nozzle 325;

[0044] The pneumatic moving seat 322 includes a moving cylinder and a moving seat. The moving cylinder is fixedly mounted on the rotating frame 31, and the output end of the moving cylinder is fixedly mounted with the moving seat. The upper end of the material taking mounting rod 324 is fixedly connected to the moving seat.

[0045] like Figure 9 As shown, the feeding mechanism 5 includes a feeding table 51, a feeding track 52, a positive pressure blowing pipe 53, a vacuum suction pipe 54 and a separation block 55. The feeding table 51 is fixedly installed on the machine 1, and a feeding track 52 is provided in the feeding table 51. One end of the feeding table 51 is aligned with a material taking mounting rod 324; the other end of the feeding table 51 is fixedly installed with a separation block 55; the end of the feeding table 51 away from the separation block 55 is fixedly installed with a positive pressure blowing pipe 53 for blowing air into the feeding track 52; the feeding table 51 is fixedly installed with a vacuum suction pipe 54 connected to the bottom of the feeding track 52.

[0046] In this embodiment, when the bulk material handling module 2, the continuous material transfer structure 3 and the feeding mechanism 5 are working normally, the storage funnel 22 drops the material onto the linear feeder 23, and the material is transported to the vibration plate 24 through the linear feeder 23; after the vibration plate 24 preliminarily sorts the material, the material is transported to the lower side of a suction nozzle 325 through the linear feeder 25; the pneumatic movable seat 322 drives the material picking installation rod 324 and the suction nozzle 325 to move vertically downward, and the return spring 323 is stretched; the material is adsorbed and picked up by the suction nozzle 325, and then the pneumatic movable seat 322 drives the material picking installation rod 324 and the suction nozzle 325 to reset, and the reset spring 323 is reset; the rotating frame 31 drives multiple groups of mounting seats 321, the pneumatic movable seat 322 to move downward, and the return spring 323 is stretched; , the return spring 323, the material picking installation rod 324 and the suction nozzle 325 rotate, thereby driving the material to move to the first correction module 41, the electrical testing module 42, the steering module 43, the second correction module 44, the image detection module 45 and the waste rejection module 46 in sequence, and the unqualified material is rejected at the waste rejection module 46; the qualified material is sent to the upper side of the feeding table 51, and the vacuum in the material picking installation rod 324 is destroyed by the vacuum breaking valve 312, and a negative pressure is formed in the feeding track 52 through the vacuum suction pipe 54, so that the material falls into the feeding track 52, and then gas is blown into the feeding track 52 through the positive pressure blowing pipe 53, thereby accelerating the material in the feeding track 52 to move toward the separation block 55.

[0047] Embodiment 3: In some embodiments, as a preferred embodiment of the present invention, as Figure 5-Figure 8 As shown, the first correction module 41 includes a centering module and a driving module, the centering module is installed on the machine 1, and the driving module is installed on the centering module;

[0048] The centering module includes a support base 411, a mounting platform 412, a slider 414, an annular spring 415 and a conformal block 417. The support base 411 is fixedly mounted on the machine platform 1, and the mounting platform 412 is fixedly mounted on the support base 411. Four chute grooves 413 are evenly spaced in a circular array on the mounting platform 412. A slider 414 is mounted in the chute 413 for limited sliding movement. A conformal block 417 for positioning the material is fixedly mounted on the inner side of the slider 414. An annular groove is opened in the middle of the outer wall of the mounting platform 412. An annular spring 415 for squeezing the slider 414 is mounted in the annular groove outside the mounting platform 412.

[0049] The drive module includes a drive roller 4142 and a square rotating block 416. An arcuate groove 4141 is formed on the outer side of the slider 414, and the arcuate groove 4141 is aligned with the annular groove on the outer side of the mounting platform 412. An annular spring 415 is located within the arcuate groove 4141. The drive roller 4142 is rotatably mounted on the inner side of the slider 414. A square rotating block 416 driven by a servo motor is rotatably mounted inside the mounting platform 412. The four corners of the square rotating block 416 are provided with arcuate surfaces. The square rotating block 416 is in rolling connection with the drive roller 4142.

[0050] The electrical testing module 42 is a commercially available mature device in this field;

[0051] The steering module 43 includes a mounting frame 431, a mounting platform 432, a rotating platform 433, and a photoelectric sensor 436. The mounting frame 431 is fixedly mounted on the machine 1; the mounting platform 432 is fixedly mounted on the mounting frame 431; the rotating platform 433 driven by a servo motor is rotatably mounted on the mounting platform 432; a conformal groove 434 is formed in the middle of the rotating platform 433; the rotating platform 433 is formed with mutually perpendicular detection grooves 435; the intersection of the two detection grooves 435 is located at the center of the rotating platform 433; and the mounting platform 432 is fixedly mounted with a photoelectric sensor 436 for detecting materials.

[0052] The second correction module 44 has the same structure as the first correction module 41 but is located in a different position;

[0053] The image detection module 45 uses commercially available mature equipment in this field;

[0054] The waste rejection module 46 includes a collecting bucket 461 , which is fixedly mounted on the machine 1 via a support rod; the collecting bucket 461 is aligned with a material removal mounting rod 324 .

[0055] In this embodiment, when the first correction module 41, the electrical testing module 42, the steering module 43, the second correction module 44, the image detection module 45 and the waste rejection module 46 are working normally, the rotating frame 31 drives the mounting seat 321, the pneumatic moving seat 322, the return spring 323, the material picking mounting rod 324 and the suction nozzle 325 to rotate; in the initial state, the square rotating block 416 is not in contact with the driving roller 4142, and the annular spring 415 squeezes the slider 414 in the arc groove 4141; the multiple sliders 414 move synchronously toward the center of the mounting table 412 under the limiting action of the slide groove 413; the material at the bottom of the suction nozzle 325 moves to the upper side of the mounting table 412; the square rotating block 416 rotates, so that the four corners of the square rotating block 416 move toward the driving roller 4142, the square rotating block 416 contacts the driving roller 4142 and drives the slider 414 to move through the driving roller 4142, and the slider 414 is in the slide groove 41 3, it moves outward horizontally, thereby driving multiple conformal blocks 417 to move outward horizontally synchronously; the space between multiple conformal blocks 417 is increased, and the annular spring 415 is stretched; the pneumatic moving seat 322 drives the material removal installation rod 324 and the suction nozzle 325 to move vertically downward; then the square rotating block 416 is reset, and the annular spring 415 is reset to drive multiple sliders 414 to slide inward synchronously under the limiting action of the slide 413, thereby adjusting the position and direction of the material through the conformal blocks 417 on the sliders 414; making the material convenient for subsequent electrical testing and visual inspection accurately; realizing single feeding, so that when performing component bonding, single bonding can be performed, so that the spacing between components can be very small; and it is more convenient to change the type for different components;

[0056] After the material is calibrated for the first time, the electrical properties of the material are tested by the electrical testing module 42; then, when the material moves to the upper side of the rotating table 433, the material picking installation rod 324 and the suction nozzle 325 place the material that needs to be reversed in the conformal groove 434 on the rotating table 433; the photoelectric sensor 436 detects whether there is material in the conformal groove 434; then the rotating table 433 drives the material to rotate through the conformal groove 434, so that the electrical properties of the material are distributed in the required direction; the pneumatic moving seat 322, the material picking installation rod 324 and the suction nozzle 325 pick up the material and drive the material to move to the second calibration module 44 for re-calibration; then the material is visually inspected by the image detection module 45; when the material moves to the upper side of the collection bucket 461, if the material is unqualified, the material picking installation rod 324 and the suction nozzle 325 will no longer absorb the material, so that the unqualified material falls into the collection bucket 461, completing the removal of waste material.

[0057] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A bulk material feeding device for a placement machine, comprising a machine platform (1) and a bulk material feeding module (2), characterized in that: It also includes a continuous material transfer structure (3), a detection and sorting mechanism (4) and a feeding mechanism (5); A bulk material handling module (2) is installed on the right side of the machine (1); a continuous material transfer structure (3), a detection and sorting mechanism (4) and a feeding mechanism (5) are installed on the left side of the machine (1); The continuous material transfer structure (3) comprises a rotating frame (31) and a picking structure (32). The rotating frame (31) is rotatably mounted on the machine (1). A plurality of picking structures (32) for picking up materials are evenly mounted on the rotating frame (31) at equal intervals in a circular array. The detection and sorting mechanism (4) comprises a first correction module (41) installed on the machine (1) for adjusting the direction of the material, an electrical test module (42) for detecting the polarity of the material, a steering module (43) for adjusting the direction of the material, a second correction module (44) for adjusting the direction of the material, an image detection module (45) for visually detecting the material, and a waste rejection module (46) for rejecting waste; the bulk material processing module (2), the first correction module (41), the electrical test module (42), the steering module (43), the second correction module (44), the image detection module (45), the waste rejection module (46), and the feeding mechanism (5) are evenly distributed in a circular array on the lower side of the picking structure (32).

2. The bulk material feeding device of the placement machine according to claim 1, characterized in that: The bulk material handling module (2) comprises a support frame (21), a storage hopper (22), a linear feeder (23), a vibration plate (24) and a linear feeder (25), wherein the support frame (21) is fixedly mounted on the machine platform (1), and the storage hopper (22) is fixedly mounted on the support frame (21); the linear feeder (23), the vibration plate (24) and the linear feeder (25) are fixedly mounted on the machine platform (1), the bottom opening of the storage hopper (22) is aligned with one end of the linear feeder (23); the other end of the linear feeder (23) is aligned with the middle of the vibration plate (24); the discharge port of the vibration plate (24) is aligned with the feed port of the linear feeder (25), and the discharge port of the linear feeder (25) is located at the lower side of a picking structure (32).

3. The bulk material feeding device of the placement machine according to claim 1, characterized in that: A rotary joint (311) for distributing an air source to the picking structures (32) is fixedly mounted on the rotating frame (31), and a vacuum breaking valve (312) for controlling different picking structures (32) is fixedly mounted on the rotating frame (31); the rotary joint (311) is communicated with an external vacuum pump.

4. The bulk material feeding device of the placement machine according to claim 3, characterized in that: The picking structure (32) comprises a mounting seat (321), a pneumatic movable seat (322), a return spring (323), a material picking mounting rod (324) and a suction nozzle (325); the mounting seat (321) is fixedly mounted on the edge of the rotating frame (31), and the pneumatic movable seat (322) is fixedly mounted on the rotating frame (31); the output end of the pneumatic movable seat (322) is fixedly connected to the upper end of the material picking mounting rod (324), and the material picking mounting rod (324) is provided with a return spring (323) after passing through the pneumatic movable seat (322); a suction nozzle (325) for picking up materials is fixedly mounted on the bottom of the material picking mounting rod (324); one end of the return spring (323) is fixedly connected to the mounting seat (321), and the other end of the return spring (323) is fixedly connected to the suction nozzle (325).

5. The bulk material feeding device of the placement machine according to claim 1, characterized in that: The feeding mechanism (5) comprises a feeding platform (51), a feeding track (52), a positive pressure blowing pipe (53) and a separating block (55). The feeding platform (51) is fixedly mounted on the machine (1). The feeding track (52) is provided inside the feeding platform (51). One end of the feeding platform (51) is aligned with a material taking mounting rod (324); the separating block (55) is fixedly mounted on the other end of the feeding platform (51); and the positive pressure blowing pipe (53) for blowing air into the feeding track (52) is fixedly mounted on the end of the feeding platform (51) away from the separating block (55).

6. The bulk material feeding device of the placement machine according to claim 5, characterized in that: The feeding mechanism (5) further comprises a vacuum suction pipe (54), and the feeding platform (51) is fixedly provided with a vacuum suction pipe (54) which is in communication with the bottom of the feeding track (52).

7. The bulk material feeding device of the placement machine according to claim 1, characterized in that: The first correction module (41) comprises a centering module and a driving module, the centering module is mounted on the machine platform (1), and the driving module is mounted on the centering module.

8. The bulk material feeding device for a chip mounter according to claim 7, characterized in that: The centering module comprises a support seat (411), a mounting platform (412), a slider (414), an annular spring (415) and a conforming block (417); the support seat (411) is fixedly mounted on the machine platform (1); the mounting platform (412) is fixedly mounted on the support seat (411); four chute grooves (413) are evenly spaced and arranged in a circular array on the mounting platform (412); a slider (414) is installed in the chute (413) for limiting sliding; a conforming block (417) for positioning the material is fixedly installed on the inner side of the slider (414); an annular groove is opened in the middle of the outer wall of the mounting platform (412); and an annular spring (415) for squeezing the slider (414) is installed in the annular groove outside the mounting platform (412).

9. The bulk material feeding device for a chip mounter according to claim 8, characterized in that: The driving module comprises a driving roller (4142) and a square rotating block (416); an arcuate groove (4141) is provided on the outer side of the slider (414), and the arcuate groove (4141) is aligned with the annular groove on the outer side of the mounting truncated platform (412); an annular spring (415) is located in the arcuate groove (4141); a driving roller (4142) is rotatably mounted on the inner side of the slider (414); a square rotating block (416) driven by a servo motor is rotatably mounted inside the mounting truncated platform (412); four corners of the square rotating block (416) are provided with arcuate surfaces; and the square rotating block (416) is rollingly connected to the driving roller (4142).

10. The bulk material feeding device for a chip mounter according to claim 9, characterized in that: The steering module (43) comprises a mounting frame (431), a mounting platform (432), a rotating platform (433) and a photoelectric sensor (436); the mounting frame (431) is fixedly mounted on the machine platform (1); the mounting platform (432) is fixedly mounted on the mounting frame (431); a rotating platform (433) driven by a servo motor is rotatably mounted on the mounting platform (432); a conformal groove (434) is provided in the middle of the rotating platform (433); mutually perpendicular detection grooves (435) are provided on the rotating platform (433); the intersection of the two detection grooves (435) is located at the center of the rotating platform (433); and a photoelectric sensor (436) for detecting materials is fixedly mounted on the mounting platform (432).

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