Automatic feeding and discharging laser coding device

Abstract

The application provides an automatic feeding and discharging laser coding device, which comprises a supporting platform, a feeding mechanism, a transfer mechanism, a laser coding mechanism and a discharging mechanism arranged on the supporting platform, the laser coding mechanism comprises a transversely arranged laser head, the transfer mechanism comprises a product bearing platform, the feeding mechanism comprises a feeding tray bin and a feeding carrying mechanism, the feeding carrying mechanism comprises a feeding suction disc capable of lifting and rotating, a first CCD camera is arranged above the feeding tray bin, a second CCD camera is arranged below the feeding carrying mechanism, the discharging mechanism comprises a discharging tray bearing platform, a discharging carrying mechanism and a discharging tray bin, the discharging tray bearing platform is further provided with a tray pulling mechanism, the discharging carrying mechanism comprises a discharging suction disc capable of lifting and rotating, the discharging tray bearing platform is provided with a third CCD camera, and a fourth CCD camera is arranged below the discharging carrying mechanism. The automatic feeding and discharging and automatic product correction can be realized, and the processing efficiency and the processing precision are greatly improved.

Description

Technical Field

[0001] This invention relates to the field of laser marking machines, and more particularly to an automatic loading and unloading laser marking device. Background Technology

[0002] In order to supervise product quality, existing precision components generally have a product traceability process during the production process. This requires coding on the product and product tray for product location and traceability. Existing coding devices are generally manually loaded and unloaded, which is cumbersome to operate and has low processing accuracy and efficiency. Summary of the Invention

[0003] To address the problems of cumbersome product coding operations and low processing accuracy and efficiency in existing technologies, this invention provides an automatic loading and unloading laser coding device.

[0004] This invention provides an automatic loading and unloading laser marking device, including a support platform and a loading mechanism, a transfer mechanism, a laser marking mechanism, and an unloading mechanism disposed on the support platform. The laser marking mechanism includes a horizontally positioned laser head. The transfer mechanism includes a product carrying platform disposed on one side of the laser head and movable in the X-axis direction. The loading mechanism includes a loading tray and a loading and conveying mechanism disposed between the loading tray and the product carrying platform. The loading and conveying mechanism includes a lifting and rotating loading suction cup. A first CCD camera is disposed above the loading tray. A second CCD camera is located below the loading and conveying mechanism. The unloading mechanism includes a unloading tray carrying platform, an unloading conveying mechanism located between one end of the unloading tray carrying platform and the product carrying platform, and an unloading tray hopper located at the other end of the unloading tray carrying platform. A material pulling mechanism is also provided at the end of the unloading tray carrying platform away from the unloading tray hopper. The unloading conveying mechanism includes a material suction cup that can be lifted, lowered, and rotated. A third CCD camera is located above the end of the unloading tray carrying platform near the unloading tray hopper, and a fourth CCD camera is located below the unloading conveying mechanism.

[0005] As a further improvement of the present invention, a material tray recovery bin is also provided on one side of the material loading tray bin. An empty tray transport mechanism is provided between the material tray recovery bin and the material loading tray bin. The empty tray transport mechanism includes a material tray suction cup and a material tray transport linear module that drives the material tray suction cup to move horizontally. The material tray suction cup is provided with a material tray lifting cylinder.

[0006] As a further improvement of the present invention, the feeding and conveying mechanism further includes a feeding Y-axis module and a feeding support plate installed on the feeding Y-axis module and capable of moving along the Y-axis. The feeding support plate is provided with a first lifting and rotating mechanism capable of driving the feeding suction cup to lift and rotate. A first material tray positioning mechanism is also provided above the feeding tray.

[0007] As a further improvement of the present invention, the unloading and conveying mechanism further includes an unloading X-axis module and an unloading support plate mounted on the unloading X-axis module and capable of moving along the X-axis. The unloading support plate is provided with a second lifting and rotating mechanism capable of driving the unloading suction cup to lift and rotate.

[0008] As a further improvement of the present invention, a first translation module is provided above the loading tray hopper along the X-axis direction, and a first CCD camera is mounted on the first translation module; a second translation module is provided below the loading and conveying mechanism along the Y-axis direction, and a second CCD camera is mounted on the second translation module; a third translation module is provided above one end of the unloading tray carrying platform near the unloading tray hopper along the X-axis direction, and a third CCD camera is mounted on the third translation module; a fourth CCD camera is located below the movement trajectory of the unloading suction cup.

[0009] As a further improvement of the present invention, the transfer mechanism further includes a first transfer translation module and a second transfer translation module arranged parallel to each other along the X-axis direction. The product carrying platform is provided in two and is respectively installed on the first transfer translation module and the second transfer translation module. The two product carrying platforms are arranged on the same straight line and each of them is provided with a carrying platform lifting cylinder at its lower end.

[0010] As a further improvement of the present invention, the material pulling mechanism includes a material pulling translation module disposed below the material feeding tray bearing platform and arranged along the Y-axis, and a gripper cylinder and a horizontal gripper installed on the upper end of the material pulling translation module. The upper end of the material feeding tray bearing platform is provided with multiple moving rollers, and a second material feeding tray positioning mechanism is also provided on one side of the material feeding tray bearing platform.

[0011] As a further improvement of the present invention, the bottom of the feeding tray bin is provided with a first lifting mechanism; the bottom of the unloading tray bin is provided with a second lifting mechanism; and the bottom of the tray recycling bin is provided with a third lifting mechanism.

[0012] As a further improvement of the present invention, a defective product buffer platform is provided between the unloading tray carrying platform and the product carrying platform and below the unloading and conveying mechanism, and a buffer platform translation module is provided at the lower end of the defective product buffer platform along the Y-axis direction.

[0013] As a further improvement of the present invention, the automatic loading and unloading laser marking device also includes a dust extraction mechanism, which includes a dust extraction hood disposed above the transfer mechanism.

[0014] The beneficial effects of this invention are: by enabling automatic loading and unloading and automatic product correction, this invention greatly improves processing efficiency and processing accuracy. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of an angle structure of an automatic loading and unloading laser marking device according to the present invention;

[0016] Figure 2 This is a schematic diagram of the automatic loading and unloading laser marking device of the present invention from another angle;

[0017] Figure 3 This is a partial structural schematic diagram of an automatic loading and unloading laser marking device according to the present invention;

[0018] Figure 4 This is a top view of an automatic loading and unloading laser marking device according to the present invention;

[0019] Figure 5 yes Figure 1 Enlarged view of point A in the middle;

[0020] Figure 6 yes Figure 3 Enlarged view of point B in the middle.

[0021] Reference numerals: 1-Support platform; 2-Feeding tray hopper; 3-Feeding and handling mechanism; 4-Laser head; 5-Product carrying platform; 6-Unloading tray hopper; 7-Unloading and handling mechanism; 8-Unloading tray carrying platform; 9-Pattern recycling hopper; 10-Empty tray handling mechanism; 11-Defective product buffer table; 12-First CCD camera; 13-Second CCD camera; 14-Third CCD camera; 15-Fourth CCD camera; 16-Pulling tray mechanism; 17-Dust extraction mechanism; 18-First lifting mechanism; 19-Second lifting mechanism; 20-Third lifting mechanism; 201-Positioning block; 202-Clamping block; 203-Positioning insert plate; 801-Moving roller; 802-Limiting block; 1601-Horizontal gripper; 1602-Gripper cylinder. Detailed Implementation

[0022] In the description of this invention, it should be understood that if there are descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientation or positional relationship, the orientation description may be based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing this invention and simplifying the description, and not to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0023] In the description of this invention, if a quantity is mentioned, "several" means one or more, "more than" means two or more, "greater than," "less than," "exceeding," etc., are understood to exclude the stated number, while "above," "below," "within," etc., are understood to include the stated number. If "first" or "second" is mentioned, it is only for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0024] In the description of this invention, unless otherwise explicitly defined, terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0025] like Figures 1 to 6As shown, this invention discloses an automatic loading and unloading laser marking device, including a support platform 1 and a loading mechanism, a transfer mechanism, a laser marking mechanism, and an unloading mechanism disposed on the support platform 1. The laser marking mechanism includes a horizontally placed laser head 4. The transfer mechanism includes a product carrying platform 5 disposed on one side of the laser head 4 and movable in the X-axis direction. The product carrying platform 5 is used to carry the product to be processed and move it to the laser marking processing position of the laser head 4. The upper end of the product carrying platform 5 is provided with a plurality of product positioning slots arranged in a straight line. The loading mechanism includes a loading tray 2 and an upper loading mechanism disposed between the loading tray 2 and the product carrying platform 5. The material handling mechanism 3 includes a material tray 2 for stacking material trays of products to be processed. The material handling mechanism 3 includes a lifting and rotating suction cup. The suction cup has multiple nozzles arranged in a line to pick up a row of products on the tray. A first CCD camera 12 is located above the material tray 2 to check for missing products on the tray. A second CCD camera 13 is located below the material handling mechanism 3. Since laser marking needs to be applied at a predetermined position, and the product positioning slot has an installation direction, the second CCD camera 13 can detect whether the products picked up by the suction cup are in the same predetermined direction. If there are missing products... If the directions are not uniform, a single suction nozzle can be rotated to adjust it to a predetermined directional position, thus providing a corrective function and ensuring processing accuracy. The unloading mechanism includes an unloading tray carrying platform 8, an unloading conveying mechanism 7 located between one end of the unloading tray carrying platform 8 and the product carrying platform 5, and an unloading tray bin 6 located at the other end of the unloading tray carrying platform 8. The unloading tray carrying platform 8 is used to transport the unloading tray that carries the processed products. The end of the unloading tray carrying platform 8 away from the unloading tray bin 6 is also provided with a pulling tray mechanism 16. The unloading conveying mechanism 7 includes unloading suction cups that can be lifted, lowered, and rotated, and the unloading suction cups are equipped with corresponding multiple The processed products are transported by the product carrying platform 5 to the unloading and conveying mechanism 7 through a series of suction nozzles arranged in a straight line. Then, the unloading suction cups pick up the processed products and move them onto the unloading tray. A third CCD camera 14 is located above one end of the unloading tray carrying platform 8 near the unloading tray 6. The third CCD camera 14 is used to detect whether there are any missing products on the unloading tray. A fourth CCD camera 15 is located below the unloading and conveying mechanism 7. The fourth CCD camera 15 is used to detect whether the products picked up by the unloading suction cups are in the predetermined direction. If the direction of the products is not uniform, they can be adjusted to the predetermined direction by rotating a single suction nozzle.

[0026] The laser marking mechanism also includes a laser assembly, which is existing technology and will not be described in detail here.

[0027] In this invention, a tray recovery bin 9 is also provided on one side of the feeding tray bin 2. An empty tray transport mechanism 10 is provided between the tray recovery bin 9 and the feeding tray bin 2. The empty tray transport mechanism 10 includes a tray suction cup and a tray transport linear module that drives the tray suction cup to move horizontally. The tray suction cup is equipped with a tray lifting cylinder. When the first CCD camera 12 detects that all the products on the feeding tray have been sucked away, the tray suction cup can pick up the feeding tray with its hole and transport it into the tray recovery bin 9, so that the empty tray can be automatically recovered.

[0028] In this invention, the feeding and conveying mechanism 3 further includes a feeding Y-axis module and a feeding support plate mounted on the feeding Y-axis module and movable along the Y-axis. The feeding Y-axis module is a lead screw module. The feeding support plate is provided with a first lifting and rotating mechanism capable of driving the feeding suction cup to lift and rotate. The first lifting and rotating mechanism includes a lifting cylinder and a rotating cylinder mounted on the lifting cylinder. The suction nozzle is mounted on the lower end of the rotating cylinder. A first tray positioning mechanism is also provided above the feeding tray 2. The first tray positioning mechanism includes two... The feeding tray consists of two right-angled positioning blocks 201, two right-angled clamping blocks 202 diagonally opposite to the two positioning blocks 201, and two positioning inserts 203 on both sides. The two positioning blocks 201 are fixedly set. The clamping blocks 202 are driven by a cylinder to cooperate with the two positioning blocks 201 to clamp and position the feeding tray. The two positioning inserts 203 are located on both sides of the feeding tray. The feeding tray has positioning slots on both sides. During positioning, the two positioning inserts 203 can be inserted into the positioning slots on both sides, which can ensure the stability of product feeding.

[0029] In this invention, the unloading and conveying mechanism 7 further includes an unloading X-axis module and an unloading support plate mounted on the unloading X-axis module and capable of moving along the X-axis. The unloading X-axis module is a lead screw module. The unloading support plate is provided with a second lifting and rotating mechanism capable of driving the unloading suction cup to lift and rotate. The second lifting and rotating mechanism also includes a lifting cylinder and a rotating cylinder mounted on the lifting cylinder. The unloading suction cup is mounted at the lower end of the corresponding rotating cylinder.

[0030] In this invention, a first translation module is provided above the loading tray 2 along the X-axis, and a first CCD camera 12 is mounted on the first translation module; a second translation module is provided below the loading and conveying mechanism 3 along the Y-axis, and a second CCD camera 13 is mounted on the second translation module; a third translation module is provided above one end of the unloading tray carrying platform 8 near the unloading tray 6 along the X-axis, and a third CCD camera 14 is mounted on the third translation module; a fourth CCD camera 15 is located below the movement trajectory of the unloading suction cup; the first translation module, the second translation module, and the third translation module are all lead screw modules.

[0031] In this invention, the transfer mechanism further includes a first transfer translation module and a second transfer translation module arranged parallel to each other along the X-axis. Two product carrying platforms 5 are provided and respectively installed on the first and second transfer translation modules. The two product carrying platforms 5 are arranged on the same straight line, and each has a lifting cylinder at its lower end. The two product carrying platforms 5 can reciprocate, ensuring processing continuity and improving processing efficiency. Since the two product carrying platforms 5 are arranged on a straight line, they can avoid each other by lifting during reciprocating motion.

[0032] In this invention, the material pulling mechanism 16 includes a material pulling translation module located below the material feeding tray support platform 8 and arranged along the Y-axis, and a gripper cylinder 1602 and a horizontal gripper 1601 installed on the upper end of the material pulling translation module. The upper end of the material feeding tray support platform 8 is provided with multiple moving rollers 801 to ensure that the material feeding tray can smoothly slide onto the upper end of the material feeding tray support platform 8. The horizontal gripper 1601, through the gripper cylinder 1602, clamps an empty material feeding tray and pulls it to the upper end of the material feeding tray support platform 8. The other end of the feeding tray carrying platform 8 is positioned at the feeding position of the feeding suction cup, and then products are fed in sequence. After the feeding tray is full of products, the gripper pushes it into the feeding tray compartment 6, and then pulls out another empty feeding tray to repeat the operation. A second tray positioning mechanism is also provided on one side of the feeding tray carrying platform 8. The second tray positioning mechanism includes two sets of limiting blocks 802 on one side of the feeding tray carrying platform 8. The limiting blocks 802 are extended and retracted by a cylinder to limit the feeding tray.

[0033] In this invention, the bottom of the loading tray 2 is provided with a first lifting mechanism 18; the bottom of the unloading tray 6 is provided with a second lifting mechanism 19; and the bottom of the tray recycling 9 is provided with a third lifting mechanism 20. The first lifting mechanism 18, the second lifting mechanism 19 and the third lifting mechanism 20 are all screw module lifting mechanisms, which are used to drive the lifting of the loading tray, the unloading tray and the empty loading tray, respectively.

[0034] In this invention, a defective product buffer platform 11 is provided between the unloading tray carrying platform 8 and the product carrying platform 5, and below the unloading and conveying mechanism 7. The lower end of the defective product buffer platform 11 is equipped with a buffer platform translation module arranged along the Y-axis. It can detect products using a fourth CCD camera 15 and place defective products on the defective product buffer platform 11. The defective product buffer platform 11 has multiple product placement slots. When the multiple product placement slots are full, the buffer platform translation module can move the buffer platform to one end of the unloading tray 6, where the defective products can be manually removed.

[0035] In this invention, the automatic loading and unloading laser marking device further includes a dust extraction mechanism 17, which comprises a dust extraction hood disposed above the transfer mechanism. This allows for dust extraction during laser marking, reducing environmental pollution.

[0036] This invention greatly improves processing efficiency and accuracy by enabling automatic loading and unloading and automatic product correction.

[0037] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of the present invention, and all such modifications and substitutions should be considered within the scope of protection of the present invention.

Claims

1. An automatic loading and unloading laser marking device, characterized in that: The system includes a support platform and a feeding mechanism, a transfer mechanism, a laser marking mechanism, and a discharging mechanism mounted on the support platform. The laser marking mechanism includes a horizontally positioned laser head. The transfer mechanism includes a product-carrying platform located on one side of the laser head and movable in the X-axis direction. The feeding mechanism includes a feeding tray and a feeding conveying mechanism located between the feeding tray and the product-carrying platform. The feeding conveying mechanism includes a feeding suction cup capable of lifting, lowering, and rotating. A first CCD camera is located above the feeding tray, and a second CCD camera is located below the feeding conveying mechanism for detecting the direction of the picked-up product and controlling the rotation and correction of individual suction nozzles. The discharging mechanism includes a discharging tray carrying platform, a discharging conveying mechanism located between one end of the discharging tray carrying platform and the product-carrying platform, and a discharging tray carrying platform located at the other end of the discharging tray carrying platform. A pulling tray is also provided at the end of the discharging tray carrying platform away from the discharging tray carrying platform. The unloading and handling mechanism includes a lifting and rotating unloading suction cup. A third CCD camera is located above one end of the unloading tray carrying platform near the unloading tray compartment, and a fourth CCD camera is located below the unloading and handling mechanism for detecting and correcting the direction of the unloaded product. The transfer mechanism also includes a first transfer translation module and a second transfer translation module arranged parallel to each other along the X-axis. Two product carrying platforms are provided and respectively installed on the first transfer translation module and the second transfer translation module. The two product carrying platforms are arranged on the same straight line and each has a carrying platform lifting cylinder at its lower end to achieve lifting and avoidance. The pulling tray mechanism includes a pulling translation module located below the unloading tray carrying platform and arranged along the Y-axis, and a gripper cylinder and a horizontal gripper installed on the upper end of the pulling translation module. Multiple moving rollers are provided at the upper end of the unloading tray carrying platform, and a second tray positioning mechanism is also provided on one side of the unloading tray carrying platform.

2. The automatic loading and unloading laser marking device according to claim 1, characterized in that: A material tray recovery bin is also provided on one side of the material loading tray bin. An empty tray transport mechanism is provided between the material tray recovery bin and the material loading tray bin. The empty tray transport mechanism includes a material tray suction cup and a material tray transport linear module that drives the material tray suction cup to move horizontally. The material tray suction cup is equipped with a material tray lifting cylinder.

3. The automatic loading and unloading laser marking device according to claim 1, characterized in that: The feeding and conveying mechanism also includes a feeding Y-axis module and a feeding support plate installed on the feeding Y-axis module and capable of moving along the Y-axis. The feeding support plate is provided with a first lifting and rotating mechanism that can drive the feeding suction cup to lift and rotate. A first material tray positioning mechanism is also provided above the feeding tray.

4. The automatic loading and unloading laser marking device according to claim 1, characterized in that: The unloading and conveying mechanism also includes an unloading X-axis module and an unloading support plate installed on the unloading X-axis module and capable of moving along the X-axis. The unloading support plate is provided with a second lifting and rotating mechanism that can drive the unloading suction cup to lift and rotate.

5. The automatic loading and unloading laser marking device according to claim 1, characterized in that: Above the loading tray is a first translation module arranged along the X-axis, and a first CCD camera is mounted on the first translation module; below the loading and conveying mechanism is a second translation module arranged along the Y-axis, and a second CCD camera is mounted on the second translation module; above the end of the unloading tray carrying platform near the unloading tray is a third translation module arranged along the X-axis, and a third CCD camera is mounted on the third translation module; a fourth CCD camera is located below the movement trajectory of the unloading suction cup.

6. The automatic loading and unloading laser marking device according to claim 2, characterized in that: The bottom of the feeding tray is equipped with a first lifting mechanism; the bottom of the unloading tray is equipped with a second lifting mechanism; and the bottom of the tray recycling tray is equipped with a third lifting mechanism.

7. The automatic loading and unloading laser marking device according to claim 1, characterized in that: A defective product buffer platform is provided between the unloading tray carrying platform and the product carrying platform and below the unloading and handling mechanism. The lower end of the defective product buffer platform is provided with a buffer platform translation module arranged along the Y-axis.

8. The automatic loading and unloading laser marking device according to claim 1, characterized in that: The automatic loading and unloading laser marking device also includes a dust extraction mechanism, which includes a dust extraction hood located above the transfer mechanism.

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