CN113333961B

CN113333961B - Laser marking apparatus

Info

Publication number: CN113333961B
Application number: CN202110682521.XA
Authority: CN
Inventors: 郑树杰; 李建平; 徐兆华; 杨建林; 叶凯云; 颜广文; 杨勇; 盛辉; 张凯
Original assignee: Shenzhen Tete Laser Technology Co Ltd
Current assignee: Shenzhen Tete Laser Technology Co Ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2024-07-05
Anticipated expiration: 2041-06-18
Also published as: CN113333961A

Abstract

The invention discloses laser marking equipment which comprises a runner, a movable door, a first discharging component and a second discharging component, wherein the runner is provided with a first opening; the flow channel is provided with a feed inlet, a first discharge outlet and a second discharge outlet, wherein the first discharge outlet is arranged on one side of the flow channel, and the second discharge outlet is arranged at the bottom of the flow channel; the movable door cover is arranged at the second discharge hole, and the movable door can move relative to the runner so as to open the second discharge hole; the first discharging component is arranged on one side of the flow channel and is used for pushing out good products from the first discharging hole; the second discharging component is arranged on one side of the runner and connected with the movable door, and is used for driving the movable door to move and open the second discharging hole, so that defective products fall from the second discharging hole. The technical scheme of the invention can automatically screen defective products, realize full-automatic production and improve production efficiency.

Description

Laser marking apparatus

Technical Field

The invention relates to the technical field of laser marking equipment, in particular to laser marking equipment.

Background

Products in the market at present are marked with two-dimensional codes or bar codes before marketing for customers and factories to scan codes for inquiry, and the laser marking machine is widely applied to the market. In the process of marking products in large batches, because of environmental factors, human factors or faults of laser marking equipment, a small amount of products with unqualified two-dimensional codes or bar codes always exist, so that the code scanning fails and the information of the products cannot be identified.

Because the number of unqualified products is relatively small, most laser coding machines in the current market perform code printing, and then recheck and screen out the unqualified products through manual code scanning, the mode wastes manpower, has low efficiency and high labor cost; or only is provided with the code scanning device to automatically identify unqualified products, and then the unqualified products are manually taken out, so that the full automation is not realized, the efficiency is low, and the mistakes are easy to occur. There are also few laser marking machines on the market that can sort out unqualified products, and such laser marking machines are usually equipped with a manipulator, through which unqualified products can be automatically sorted out, but the manipulator itself is expensive in cost and complicated in control, and the production cost of the laser marking machine is increased.

Disclosure of Invention

The invention mainly aims to provide laser marking equipment which aims at automatically screening bad products, realizing full-automatic production and improving production efficiency.

To achieve the above object, the present invention provides a laser marking apparatus comprising:

The flow channel is provided with a feed inlet, a first discharge hole and a second discharge hole, the first discharge hole is arranged on one side of the flow channel, and the second discharge hole is arranged at the bottom of the flow channel;

the movable door is covered on the second discharge hole and can move relative to the runner so as to open the second discharge hole;

The first discharging assembly is arranged on one side of the flow channel and is used for pushing out good products from the first discharge hole; and

The second discharging assembly is arranged on one side of the flow channel and connected with the movable door, and is used for driving the movable door to move and open the second discharging hole, so that defective products fall from the second discharging hole.

According to the technical scheme, in the laser marking equipment, a flow channel is provided with a feed inlet, a first discharge outlet and a second discharge outlet, and a product moves from the feed inlet of the flow channel to the first discharge outlet so as to perform laser marking and code scanning detection; the second discharge hole is movably provided with a movable door to open and close the second discharge hole. When the detected product is a qualified product, the movable door closes the second discharge port, and the first discharge assembly pushes the qualified product out of the first discharge port; when the detected product is a defective product, the second discharging assembly drives the movable door to open the second discharging port, so that the defective product falls from the second discharging port. Therefore, the laser marking equipment can automatically and rapidly screen out good products and defective products, realize the full-automatic operation of the laser marking equipment and improve the production efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a laser marking apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic view of the laser marking apparatus of FIG. 1 at another angle;

FIG. 3 is a schematic view of the flow channel of the laser marking apparatus of FIG. 1;

FIG. 4 is an enlarged view of the portion I of FIG. 3;

FIG. 5 is an enlarged view of the portion II of FIG. 3;

FIG. 6 is a schematic view of a flow channel without a cover plate installed;

FIG. 7 is an enlarged view at III in FIG. 6;

FIG. 8 is a schematic diagram illustrating an assembly structure of the runner of FIG. 3 with the first discharging assembly, the second discharging assembly and the pressing assembly when the runner is not provided with a cover plate;

FIG. 9 is an enlarged view at IV of FIG. 8;

Fig. 10 is an enlarged view at v in fig. 8;

FIG. 11 is a schematic view of the flow channel in FIG. 8 without the second side plate installed and with the second outlet open;

FIG. 12 is an enlarged view of VI in FIG. 11;

FIG. 13 is a schematic structural view of a feeding mechanism of the laser marking machine apparatus of FIG. 1;

FIG. 14 is a schematic view of the feeding mechanism of FIG. 13 at another angle;

FIG. 15 is a schematic view of a first receiving mechanism of the laser marking apparatus of FIG. 1;

FIG. 16 is a schematic view of the first receiving mechanism of FIG. 15 at another angle;

FIG. 17 is a left side view of the first receiving mechanism of FIG. 15;

Fig. 18 is a cross-sectional view of the first receiving mechanism of fig. 17 taken along section A-A.

Reference numerals illustrate:

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

The invention provides laser marking equipment.

Specifically, the laser marking device is mainly suitable for laser marking of products with long and thin shapes, such as a mobile phone middle frame, a pen container and the like, and the laser marking device will be described in detail below by taking the mobile phone middle frame as an example.

Referring to fig. 1 to 18, in an embodiment of the present invention, the laser marking apparatus 10 includes a flow channel 200, a movable door 240, a first discharge assembly 300, and a second discharge assembly 400; as shown in fig. 3 to 7, the flow channel 200 has a feed inlet 210, a first discharge outlet 220, and a second discharge outlet 230, wherein the first discharge outlet 220 is disposed at one side of the flow channel 200, and the second discharge outlet 230 is disposed at the bottom of the flow channel 200. The movable door 240 is disposed on the second outlet 230, and the movable door 240 can move relative to the runner 200 to open the second outlet 230. The first discharging assembly 300 is disposed at a side of the flow channel 200 opposite to the first discharge port 220, and the first discharging assembly 300 is used for pushing out good products from the first discharge port 220. The second discharging assembly 400 is disposed on a side of the flow channel 200 opposite to the first discharge port 220, and the second discharging assembly 400 is connected to the movable door 240, so as to drive the movable door 240 to move and open the second discharge port 230, so that the defective products fall from the second discharge port 230.

Referring to fig. 3, for a product with an elongated shape, the shape of the flow channel 200 is designed into an elongated shape, and the flow channel 200 has opposite ends, the feed inlet 210 is disposed at one end of the flow channel 200 to feed the product, and the first discharge outlet 220 and the second discharge outlet 230 are disposed at the other end of the flow channel 200 to feed good products and defective products. It can be understood that a laser marking port 250 and a code scanning detection port 260 are further disposed between the feeding port 210 and the first discharging port 220, the product moves from the feeding port 210 of the runner 200 to the first discharging port 220 to perform laser marking at the laser marking port 250 to form an identification code, and code scanning detection is performed at the code scanning detection port 260 to determine whether the identification code is qualified, and the identification code is unqualified.

With continued reference to fig. 3, since the flow channel 200 is elongated, the first outlet 220 is disposed at one end of the flow channel 200 opposite to the inlet 210 and is disposed at one side of the flow channel 200. It can be appreciated that the good product can be discharged from the side surface of one end of the flow channel 200, instead of being directly discharged from the end surface of the flow channel 200, so that the arrangement can avoid excessively long and narrow overall design of the laser marking device 10, and can reduce the waste of station space of the laser marking device 10.

Referring to fig. 6, 7 and 12, the second discharge port 230 is disposed at the bottom of the flow channel 200, and a defective product blanking groove (not labeled) is further disposed below the second discharge port 230, so that the defective product can be quickly dropped into the defective product blanking groove from the second discharge port 230 when moving to the second discharge port 230. The second outlet 230 is square. It can be appreciated that the second discharge port 230 may be disposed in front of the first discharge port 220 along the length direction of the flow channel 200, may be disposed behind the first discharge port 220 along the length direction of the flow channel 200, or may be aligned with the first discharge port 220 along the length direction of the flow channel 200. In this embodiment, to reduce the overall design length of the flow channel 200, the first discharge port 220 and the second discharge port 230 are aligned along the length direction of the flow channel 200.

The movable door 240 is substantially plate-shaped, and the upper surface of the movable door 240 is further provided with a limiting portion 242, and the limiting portion 242 is disposed on a side away from the feed inlet 210, as shown in fig. 7. Under normal conditions, the movable door 240 is covered on the second discharge port 230, the movable door 240 is flush with the bottom plate 201 of the flow channel 200, so that the product smoothly passes through, and the product stays on the movable door 240 under the blocking of the limiting portion 242, if the product on the current movable door 240 is good, the first discharging assembly 300 pushes the good product on the movable door out from the first discharge port 220. If the product on the current movable door 240 is defective, the second discharging assembly driver 400 drives the movable door 240 to move to open the second discharge port 230 so that the defective product falls from the second discharge port 230. It is understood that the movable door 240 may be rotatably disposed with respect to the flow channel 200 or slidably disposed with respect to the flow channel 200.

Referring to fig. 8 to 10, the first discharging unit 300 and the second discharging unit 400 are disposed on one side of the flow path 200, and it is understood that they may be disposed on the same side of the flow path 200, or may be disposed on two sides of the flow path 200. In this embodiment, to allow room for installation of other mechanisms and equipment, the first discharge assembly 300 and the second discharge assembly 400 are both disposed on the same side of the flow path 200 and are disposed adjacent to the first discharge port 220, as shown.

In the laser marking device 10, a flow channel 200 is provided with a feed port 210, a first discharge port 220 and a second discharge port 230, and products move from the feed port 210 of the flow channel 200 to the first discharge port 220 for laser marking and code scanning detection; a movable door 240 is movably provided at the second discharge port 230 to open and close the second discharge port. When the detected product is a qualified product, the movable door 240 closes the second discharge port 230, and the first discharge assembly 300 pushes the qualified product out of the first discharge port 220; when the detected product is a defective product, the second discharging assembly 400 drives the movable door 240 to open the second discharging port 230, so that the defective product falls from the second discharging port 230. Thus, the laser marking device 10 of the invention can automatically and rapidly screen out good products and defective products, realize the full-automatic operation of the laser marking device 10 and improve the production efficiency.

Further, referring to fig. 3 to 7, in an embodiment of the present invention, the flow channel 200 includes a bottom plate 201, and a first side plate 202 and a second side plate 203 mounted on the bottom plate 201, the first side plate 202 and the second side plate 203 are disposed opposite to each other, the first discharge port 220 is disposed on the first side plate 202, the second discharge port 230 is disposed on the bottom plate 201, and the first discharge assembly 300 and the second discharge assembly 400 are disposed on a side of the second side plate 203 away from the first side plate 202.

The first side plate 202 is connected to the side of the bottom plate 201 through a screw, the second side plate 203 is mounted on the upper surface of the bottom plate 201 through a screw, and a chute 205 for moving the product is formed by surrounding the bottom plate 201, the first side plate 202 and the second side plate 203, and the chute 205 limits and guides the movement of the product. It can be appreciated that, in the present embodiment, since the length of the flow channel is long, for convenience of production and processing, the bottom plate 201, the first side plate 202 and the second side plate 203 have a certain thickness, and the bottom plate 201, the first side plate 202 and the second side plate 203 may be assembled and connected by a plurality of sub-connecting plates, so that deformation of the bottom plate 210, the first side plate 202 and the second side plate 203 caused by overlong processing process can be avoided.

It will be appreciated that in one embodiment, to prevent foreign objects in the external environment from falling into the launder 205 and affecting normal processing of the product, the runner 200 further has a cover 204, and the cover 204 is mounted on the first side plate 202 and the second side plate 203 by screws, as shown in fig. 3. It will be appreciated that the cover 204 also prevents the operator from extending his or her hand into the runner 205, thus preventing the operator from operating out of specification or from operating erroneously, and improving the safety of the laser marking process.

Further, in an embodiment, referring to fig. 6 and 7, the movable door 240 is slidably mounted on the bottom plate 201, and the second discharging assembly 400 is used to drive the movable door 240 to slide along the first direction to open or close the second outlet 230. Wherein the first direction is the width direction of the flow channel 200. As can be appreciated, in the process that the second discharging assembly 400 drives the movable door 240 to open the second discharging opening 230, the second side plate 203 plays a limiting role on the defective products on the movable door 240, preventing the defective products from moving along with the movable door 240, when the movable door 240 slides to completely open the second discharging opening 230, the defective products drop from the second discharging opening 230 to the defective product discharging groove when the movable door 240 slides to completely open the second discharging opening 230.

Further, with continued reference to fig. 6 and 7, sliding portions 241 are provided on both side edges of the movable door 240, and a chute 2011 into which the sliding portion 241 is inserted is provided on the bottom plate 201. Two sliding portions 241 are disposed corresponding to the two sliding portions 2011, and the two sliding portions 241 are disposed on two sidewalls of the second discharge hole 230 along the first direction, and can slide in the two sliding portions 2011 under the driving of the second discharge assembly 400. The shapes of the sliding portion 241 and the sliding slot 2011 correspond to the shapes of the sliding portion 241 and the sliding slot 2011, and the shapes of the sliding portion 241 and the sliding slot 2011 may be square, semicircular, T-shaped, etc., and the shapes of the sliding portion 241 and the sliding slot 2011 are not limited herein.

Further, in another embodiment, the movable door 240 is rotatably connected to the bottom plate 201, and the second discharging assembly 400 is used to drive the movable door 240 to turn over to open or cover the second outlet 230. It will be appreciated that the movable door 240 may be connected to the base 201 by a rotating shaft, or may be hinged to the base 201 by a hinge, wherein the movable door 240 may rotate about the axis of the rotating shaft or about the hinge axis of the hinge.

Further, in an embodiment, referring to fig. 8 to 12, the first discharge assembly 300 includes a first push rod 310 and a first driving cylinder 320. The first push rod 310 extends along the first direction, the second side plate 203 has a first perforation 2031 opposite to the first discharge hole 220, and the first push rod 310 is disposed in the first perforation 2031. The first driving cylinder 320 is in driving connection with the first push rod 310, and the first driving cylinder 320 drives the first push rod 310 to move along the first perforation 2031 so as to push out good products from the first discharge hole 220.

In this embodiment, due to the limitation of the installation space, the first driving cylinder 320 is installed at one side of the second discharging assembly 400, the second connection plate 330 is further installed at the output end of the first driving cylinder 320, and the first push rod 310 is in driving connection with the first driving cylinder 320 through the second connection plate 330. The number of the first pushing rods 310 may be plural, and the specific number thereof may be determined according to the actual length of the product, and in order to push the product smoothly from the first discharging hole 220, the number of the first pushing rods 310 is at least two, and in this embodiment, the number of the first pushing rods 310 is set by taking two as an example.

Further, in an embodiment, with continued reference to fig. 8-12, the second discharge assembly 400 includes a first connecting plate 410 and a second drive cylinder 420. The first connecting plate 410 is connected with the movable door 240 through a screw, the second driving cylinder 420 is in driving connection with the first connecting plate 410, and the second driving cylinder 420 drives the first connecting plate 410 to move, so as to drive the movable door 240 to slide back and forth along the first direction, and further realize opening or sealing the second discharge port 230.

Further, in an embodiment, in order to facilitate the operator to collect the marked good products, the laser marking apparatus 10 further includes a first receiving mechanism 900, where the position of the first receiving mechanism 900 corresponding to the first discharge port 220 is disposed on one side of the flow channel 200, so as to collect the good products pushed out from the first discharge port 220. Of course, the laser marking apparatus 10 further includes a second receiving box (not shown in the drawings) disposed below the defective product discharging slot to collect defective products sliding from the defective product discharging slot.

Referring to fig. 15 and 16, in an embodiment, the first receiving mechanism 900 includes a receiving table 910 and a turning device 920. The receiving platform 910 extends along a first direction, the receiving platform 910 has a platen 911 for placing good products, the turning device 920 is mounted at one end of the receiving platform 910 near the first discharge port 220 and above the platen 911, and the turning device 920 is used for receiving the good products pushed out from the first discharge port 220 and turning a preset angle to release the good products to a preset position of the receiving platform 910.

In order to enable the receiving platform 910 to store more good products in a limited space, and to facilitate checking the identification code of the good products from the front, the preset angle of product turnover is 90 ° by the turnover device 920 in this embodiment.

Referring to fig. 15 to 18, the tilting device 920 includes a mounting bracket 921, a drum 922, and a driving motor 923. Wherein, the installation extension board 921 is fixed and installed on two sides of the platen 911 through screws, four accommodating grooves 9221 for accommodating good products are formed on the outer circumferential surface of the roller 922, and the four accommodating grooves 9221 are arranged in a 90-degree circumferential array around the axial lead of the roller 922. The drum 922 is formed with drum shafts (not shown) protruding from both sides thereof, and the drum shafts are rotatably mounted on the mounting bracket 921, and it is understood that one of the four receiving grooves 9221 is disposed flush with the first discharge port 220 when the drum 922 is in the initial mounting position.

The driving motor 923 is in driving connection with the roller 922, and is used for driving the roller 922 to rotate intermittently, in this embodiment, the driving motor 923 is a stepper motor, and the driving motor 923 drives the roller 922 to rotate 90 ° in each pulse signal, so as to drive the accommodating groove 9221 accommodating the good product to turn over 90 °, so that the good product falls onto the platen 911 from the accommodating groove 9221, that is, the preset position described above. Referring to the figure, a driving belt wheel (not shown) is mounted on an output shaft of the driving motor 923 and the drum 922 in a transmission connection manner through a synchronous belt (not shown), a driven belt wheel (not shown) is mounted on one end of the drum shaft extending out of the mounting support plate 921, and a synchronous belt is connected between the driving belt wheel and the driven belt wheel. It will be appreciated that, in order to accurately stop the drum 922, the driving pulley, the driven pulley and the timing belt are provided with mutually meshed driving teeth (not shown in the figure), so that the drum 922 is stopped immediately when the driving motor 923 is stopped, and good products can be stably dropped on the platen 911.

Referring to fig. 18, a side of the drum 922 facing the first discharge port 220 is further provided with a limiting seat 913, the limiting seat 913 is mounted on the platen 911 by a screw, the limiting seat 913 has a receiving surface 9131 adapted to the shape of the drum 922, and the receiving surface 9131 is used for limiting the good product during the rotation of the drum 922, so as to prevent the good product from being separated from the receiving groove 9221. When the drum 922 rotates to a state where the receiving groove 9221 containing good products is perpendicular to the platen 911, the products in the receiving groove 9221 drop onto the platen 911. It can be appreciated that the distance from the lowest point of the roller 922 to the platen 911 is slightly larger than the height of the product, so that the good product can completely drop onto the platen 911 from the accommodating groove 9221 without interfering with the rotation of the roller 922, and the good product can be stably dropped onto the platen 911 when falling down, thereby preventing the good product from falling down.

Further, referring to fig. 16 and 18, in order to remove the good product at the preset position in time, to prevent the blockage caused by the overturning and releasing of the next good product, the first material receiving structure 900 further includes a first material pushing component 930, where the first material pushing component 930 is installed below the platen 911, and is used for pushing the good product away from the preset position.

Wherein the first pushing assembly 930 includes a pushing plate 931 and a third driving cylinder 932. The platen 911 is provided with an avoidance groove 9113, the push plate 931 is arranged in the avoidance groove 9113 in a penetrating manner, a third driving cylinder 932 is arranged below the platen 911 and is in driving connection with the push plate 931, and the third driving cylinder 932 is used for driving the push plate 931 to move in the avoidance groove 9113 so as to push a product at a preset position on the platen 911 to move towards one end far away from the turning device 920, so that a space is reserved for the turning device 920 to turn over and release the next product.

Referring to fig. 15, the receiving platform 910 further includes a mounting frame 912, the platen 911 is mounted on the mounting frame 912, the platen 911 is rectangular, two sides of the platen 911 along the first direction are provided with first baffles 9111, and the sides of the platen 911 away from the turning device 920 are provided with second baffles 9112, the first baffles 9111 are used for guiding and limiting good products during moving of the good products, and the second baffles 9112 are used for preventing the good products from being separated from the platen 911.

It will be appreciated that in the embodiment of the present invention, referring to fig. 1 and 2, the laser marking apparatus 10 further includes a machine 100, a feeding mechanism 500, a marking assembly 600, and a detecting assembly 700. The runner 200, the first discharging assembly 300, the second discharging assembly 400, and the first receiving mechanism 900 are installed on the machine 100. The feeding mechanism 500 is disposed on the machine 100 at a position corresponding to the feeding port 210, and is configured to convey a product into the flow channel 200 through the feeding port 210 and push the product to move from the feeding port 210 to the first discharging port 220. The marking assembly 600 is disposed on the machine 100 at a position corresponding to the laser marking port 250, so as to perform laser marking on the product located in the laser marking port 250 in the flow 200 and form an identification code. The detection component 700 is arranged on the machine 100 at a position corresponding to the code scanning detection port 260, so as to scan the code of the product of the channel 200 at the code scanning port, and judge whether the identification code of the current product is qualified.

Further, referring to fig. 1, and 13 and 14, in one embodiment, the feeding mechanism 500 includes a product storage rack 510 and a second pusher assembly 520. The product storage rack 510 includes a carrying plate (not shown) for storing products, two opposite first enclosing plates 511 mounted on the carrying plate, and a second enclosing plate 512 disposed between the two first enclosing plates 511, where the first enclosing plates 511 and the second enclosing plates 512 enclose a containing space, and a plurality of products are stacked in the containing space. The two second coamings 512 are further provided with a first notch 513 and a second notch 514, the second notch 514 is arranged corresponding to the feed inlet 210 of the runner 200, the first notch 513 and the second notch 514 are arranged at the bottom of the second coaming to correspond to the bottommost product on the bearing plate, and the sizes of the first notch 513 and the second notch 514 correspond to the size design of one product, so that one product can just pass through. The second pushing component 520 is disposed at one side of the product storage rack 510 and corresponds to the first notch 513, and the second pushing component 520 is configured to push the product in the accommodating space to sequentially enter the flow channel 200 through the second notch 514 and the feeding port 210.

It can be appreciated that the product storage rack 510 is disposed near the flow channel 200, so as to reduce the distance between the first notch 513 of the product storage rack 510 and the feed port 210 of the flow channel 200 as much as possible, so that the product can smoothly enter the flow channel 200 under the pushing of the second pushing component 520, and the product is prevented from being deviated and not aligned with the feed port 210, so that the product cannot enter the flow channel 200 from the feed port 210.

Further, referring to fig. 13, the second pushing assembly 520 includes a second push rod 521 and a fourth driving cylinder 522. The second push rod 521 is disposed corresponding to the first notch 513, the fourth driving cylinder 522 is mounted on the machine 100, the second push rod 521 is mounted at an output end of the fourth driving cylinder 522, and the fourth driving cylinder 522 drives the second push rod 521 to move toward a direction approaching or separating from the first notch 513.

In the feeding process, the fourth driving cylinder 522 pushes the second push rod 521 to move towards the first notch 513, so that the second push rod 521 passes through the first notch 513 to enter the accommodating space, contacts with a bottom-most product on the carrier plate and pushes the product to move, so that the product sequentially passes through the second notch 514 and the feed inlet 210 to enter the flow channel 200, and in the process, other products stacked above the product fall on the second push rod 521; when the second push rod 521 pushes the product to move completely into the flow channel 200, the fourth driving cylinder 522 drives the second push rod 521 to retract to the initial position, and the product above the second push rod 521 falls onto the carrying plate. In this way, the second pushing assembly 520 repeats the feeding operation, so that the products stacked in the product storage rack 510 are sequentially pushed into the flow channel 200 one by one, and the product in the previous position in the flow channel 200 is pushed by the product in the next position to move toward the first discharge hole 220. It will be appreciated that in each feeding action of the second pushing assembly 520, each product in the flow channel 200 moves a distance that is the length dimension of one product.

Further, referring to fig. 1 and 2, and fig. 8 and 11, in order to improve marking efficiency and yield of products, in an embodiment of the present invention, the laser marking apparatus 10 is provided with two flow channels 200, an upper flow channel and a lower flow channel, respectively, up and down in a vertical direction. In order to avoid mutual interference between the upper runner and the lower runner, the first discharge port 220, the second discharge port 230, the laser marking port 250 and the code scanning detection port 260 of the upper runner and the lower runner are arranged in a staggered manner along the length direction.

Correspondingly, two first notches 513 and two second notches 514 are respectively arranged on two second coamings 512 of the product storage rack 510 at intervals, and the two second notches 514 respectively correspond to the feed inlets 210 of the upper runner and the lower runner. Correspondingly, the second pushing assembly 520 is provided with two second pushing rods 521 disposed at intervals, and the two second pushing rods 521 correspond to the two first notches 513. It can be appreciated that the distance between the two first notches 513 is at least the height of one product, so that at least one product is clamped between the two second push rods 521 during the process of driving the two second push rods 521 to retract to the initial position by the fourth driving cylinder 522, and the product can be stably dropped on the carrying plate.

Further, referring to fig. 13 and 14, in another embodiment of the present invention, in order to further improve the marking efficiency of the laser marking apparatus 10, the feeding mechanism 500 may be provided with a plurality of product storage racks 510, and the plurality of product storage racks 510 are arranged at linear intervals along the first direction. It will be appreciated that in order to push the products on the plurality of product storage shelves 510 into the flow channel 200, the plurality of product storage shelves 510 are movably mounted to the machine 100 by a traversing device 530, as shown in fig. 13. The traversing device 530 includes a mounting seat 531, a sliding rail set and a fifth driving cylinder 534, wherein the plurality of product storage frames 510 are mounted on the mounting seat 531, the sliding rail set includes a sliding block 532 disposed below the mounting seat 531 and a sliding rail 533 disposed on the machine 100, the mounting seat 531 is slidably connected with the sliding rail 533 through the sliding block 532, the fifth driving cylinder 534 is in driving connection with the mounting seat 531, and the fifth driving cylinder 534 can drive the mounting seat 531 to slide on the sliding rail 533, so that the plurality of product storage frames 510 on the mounting seat 531 respectively correspond to the runner 200 and the second pushing component 520.

It will be appreciated that when all of the products in one of the plurality of product storage racks 510 on the mounting base 531 are pushed into the flow channel 200, the fifth driving cylinder 534 drives the mounting base 531 to slide along the sliding rail 533, so that the next product storage rack 510 corresponds to the flow channel 200 and the second pushing assembly 520, and when all of the products in the next product storage rack 510 are pushed into the flow channel 200, the above steps are repeated until all of the products in all of the product storage racks 510 on the mounting base 531 are completely loaded. Therefore, the number of times of feeding of operators can be reduced by arranging the plurality of product storage racks 510, the influence on the productivity of products caused by equipment shutdown waiting due to feeding delay is avoided, and the marking efficiency of the products can be improved. In the present embodiment, the product storage rack 510 is exemplified by two arrangements.

Referring to fig. 1 and 2, it can be appreciated that the marking assembly 600 and the detecting assembly 700 are movably disposed on the machine 100 by a moving device, and the marking assembly 600 and the detecting assembly 700 can be movable along the length direction of the flow channel 200 and movable along the vertical direction to perform laser marking and code scanning detection on the products of the upper flow channel and the lower flow channel, respectively, which will not be described in detail herein.

Further, referring to fig. 1 and 2, and fig. 8 and 10, in an embodiment, the laser marking apparatus 10 further includes a pressing assembly 800, where the pressing assembly 800 is disposed on one side of the runner 200 with respect to the marking assembly 600, and the pressing assembly 800 is used to press the product when the product is laser marked. It can be understood that by arranging the pressing component 800 to press the product when the product is subjected to laser marking, the product can be prevented from being displaced in the laser marking process, the precision of laser marking is ensured, and the yield of the product is improved.

Wherein, the press assembly 800 includes a sixth driving cylinder 830, a mounting plate 820, and a buffer 810. Referring to fig. 8 and 10, a second through hole 2032 is formed in the second side plate 203 of the flow channel 200, a buffer 810 is inserted into the second through hole 2032, one end of the buffer 810 is fixedly connected with a mounting plate 820, the mounting plate 820 is mounted at the output end of a sixth driving cylinder 830, and the sixth driving cylinder 830 can drive the mounting plate 820 to move so as to drive the buffer 810 to move back and forth along the second through hole 2032, so as to compress a current product when laser marking is performed, and to release the compression of the product after the laser marking is finished.

The foregoing description is only of the optional embodiments of the present invention, and is not intended to limit the scope of the invention, and all the equivalent structural changes made by the description of the present invention and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the invention.

Claims

1. A laser marking apparatus, comprising:

the first discharging assembly is arranged on one side of the flow channel and is used for pushing out good products from the first discharge hole;

The second discharging assembly is arranged on one side of the flow channel, is connected with the movable door and is used for driving the movable door to move so as to open the second discharging hole, and defective products fall from the second discharging hole; the runner comprises a bottom plate, a first side plate and a second side plate, the first side plate and the second side plate are arranged on the bottom plate, the first discharge hole is formed in the first side plate, the second discharge hole is formed in the bottom plate, and the first discharge assembly and the second discharge assembly are arranged on one side, far away from the first side plate, of the second side plate;

The first receiving mechanism is arranged on one side of the flow channel corresponding to the first discharge hole and is used for collecting the good products pushed out from the first discharge hole;

the first receiving mechanism comprises a receiving table, and is provided with a bedplate for placing the good products; and

The turnover device is arranged at one end of the material receiving table, which is close to the first discharge port, and is positioned above the bedplate, and is used for receiving the good products pushed out from the first discharge port, and turning over the good products by a preset angle to release the good products to a preset position of the material receiving table;

The first receiving mechanism further comprises a first pushing assembly, and the first pushing assembly is used for pushing the good products away from the preset position;

The second discharging assembly comprises a connecting plate and is connected with the movable door; and

The second driving cylinder is in driving connection with the connecting plate and drives the connecting plate to move so as to drive the movable door to slide back and forth along the first direction.

2. The laser marking apparatus of claim 1, wherein the moveable door is slidably mounted to the base plate, and the second discharge assembly is configured to drive the moveable door to slide in a first direction to open or close the second discharge port.

3. The laser marking apparatus according to claim 2, wherein a sliding portion is provided at a side edge of the movable door, and a slide groove into which the sliding portion is inserted is provided on the base plate.

4. The laser marking apparatus of claim 1, wherein the first discharge assembly comprises:

the first push rod extends along a first direction, the second side plate is provided with a first perforation, and the first push rod penetrates through the first perforation; and

The first driving cylinder is in driving connection with the first push rod, and the first driving cylinder drives the first push rod to move along the first perforation so as to push out the good products from the first discharge hole.