Hot melt bonding device and marking system

Abstract

The present invention discloses a hot melt bonding device and a marking system. The hot melt bonding device is used to heat plastic materials and bond the heated plastic materials to the surface of parts. The hot melt bonding device includes a positioning lifting member for positioning and lifting parts and a resistance heater connected to the positioning lifting member. The resistance heater is used to heat and convey the plastic materials. The positioning lifting member includes a support plate for supporting and fixing the parts. Both ends of the support plate are connected to a transmission frame. The transmission frame is connected to a motor. The motor drives the support plate to lift and position the parts through the transmission frame. The hot melt bonding device disclosed in the present invention can match the parts with the plastic materials, reduce the drilling and riveting processes of the parts, and save the labels and rivets. It well protects the surface of the casting shell and its anti-rust coating, and avoids the subsequent rust problem.

Description

Technical Field

[0001] The invention relates to the technical field of laser marking, and in particular to a hot melt bonding device and a marking system. Background Art

[0002] With the improvement of market quality awareness and anti-counterfeiting needs, product anti-counterfeiting and traceability methods are playing an increasingly important role. The transmission label is used as the "identity card" of the transmission for quality traceability, production management, anti-counterfeiting and other aspects, and plays a vital role. With the popularization of laser marking technology, the transmission identification mode has changed to a method of using laser printed labels and riveting them on the transmission. This method overcomes the difficulty of laser marking on rough surfaces, and is widely used because of its reliable riveting. However, this method also has its limitations. This solution requires drilling holes in the casting shell. There are quality risks such as the shell being pierced, cracked, and the riveting holes being rusted during drilling. In addition, riveting pre-printed labels is time-consuming and laborious, and one-to-one correspondence cannot be guaranteed, and mis-installation often occurs. If a plane is milled directly on the surface of the casting shell for marking, the above problems can be well solved, but an additional processing step is required. Since the processed surface is exposed to the environment, special anti-rust measures are required in the future to ensure that the marking surface is not corroded and the anti-rust measures cannot affect the subsequent code scanning, which is difficult to implement. Summary of the invention

[0003] The object of the present invention is to provide a hot melt adhesive device and a hot melt adhesive marking system to solve the quality risks of the marking method in the prior art, such as the shell being pierced, cracked, and the riveting holes being rusted.

[0004] In order to achieve the above tasks, the present invention adopts the following technical solutions:

[0005] A hot melt bonding device, which is used to heat plastic material and bond the heated plastic material to the surface of a part, and includes a positioning lifting member used to position and lift the part and a resistance heater connected to the positioning lifting member, wherein the resistance heater is used to heat and convey the plastic material;

[0006] The positioning lifting member comprises a support plate for supporting and fixing parts, both ends of the support plate are connected to a transmission frame, the transmission frame is connected to a motor, and the motor drives the support plate through the transmission frame to lift and position the parts.

[0007] Specifically, a plurality of plastic materials are arranged inside the resistance heater, and the resistance heater is also provided with a telescopic end for pushing the heated plastic materials to the surface of the part.

[0008] Specifically, the transmission frame includes a first transmission rod and a second transmission rod arranged in parallel, the first transmission rod is provided with the resistance heater, the second transmission rod is fixed with an air cooling component, and the air cooling component realizes the function of cooling and blowing the plastic material.

[0009] Specifically, the plastic material includes one or more components of acrylic acid, epoxy resin, plastic and rubber.

[0010] Specifically, it also includes a control cabinet connected to the transmission frame, and the control cabinet is also connected to the resistance heater and the air cooling part.

[0011] Specifically, the motor is connected to the telescopic cylinder, and the lifting and lowering of the support plate is achieved through a pneumatic, electric or hydraulic system.

[0012] Specifically, the control cabinet is also connected to a protective frame, and the protective frame is arranged around the positioning lifting member.

[0013] A hot melt adhesive marking system, the system comprises a cleaning module for cleaning parts, a hot melt adhesive module and a marking module which are sequentially connected and arranged;

[0014] The hot melt bonding module is used to realize the function of the hot melt bonding device of the present invention, and hot melt bonds the plastic material to the cleaned surface of the part;

[0015] The marking module marks the surface of the plastic material on the part.

[0016] Compared with the prior art, the present invention has the following technical effects:

[0017] The hot melt bonding device disclosed in the present invention is provided with a positioning lifting member for positioning and lifting the parts, and a resistance heater for heating and conveying the plastic material. The parts can be aligned with the plastic material, reducing the drilling, riveting and other processes of the parts, while saving labels and rivets, and well protecting the surface of the casting shell and its anti-rust coating, avoiding subsequent corrosion problems.

[0018] The hot melt adhesive marking system disclosed in the present invention avoids the risk of late mis-installation, solves the problem that the industry's riveted aluminum label marking traceability solution is not economical and the mis-installation has not been completely solved. At the same time, it solves the problem that the surface of the cast iron shell cannot be directly marked and rusts after marking, improves the first-time packing pass rate, reduces the cost of marking and subsequent rust prevention, and improves the traceability efficiency of the entire life cycle of the gearbox. The method and system can also be extended to the marking traceability of other casting products.

[0019] The present invention solves the problems of the existing riveted aluminum label solution having many processes, certain quality risks and no one-to-one correspondence, and can reduce the labeling cost at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a top view of the hot melt bonding device;

[0021] Figure 2 It is a schematic diagram of the telescopic end structure of the resistance heater;

[0022] Figure 3 It is a schematic diagram of the structure of the positioning lifting part;

[0023] Figure 4 It is a flow chart of the marking system of the present invention;

[0024] Figure 5 This is the control cabinet connection diagram;

[0025] The reference numerals in the accompanying drawings represent:

[0026] 1. Support plate; 2. Motor; 3. Transmission frame; 3-1. First transmission rod; 3-2. Second transmission rod; 4. Air cooling part; 5. Control cabinet; 6. Resistance heater; 6-1. Telescopic end; 6-2. Plastic material; 7. Protective part. DETAILED DESCRIPTION

[0027] Specific embodiments of the present invention are given below. It should be noted that the present invention is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical solution of this application fall within the protection scope of the present invention.

[0028] The terms "upper", "lower", "front", "front side", "back", "top", "bottom", "surrounding", etc. used in the present invention to indicate directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. "Inside" and "outside" refer to the inside and outside of the corresponding component contours, and "lifting" refers to the height relationship of the part to be marked relative to the resistance heater. The above terms should not be understood as limitations on the present invention.

[0029] In the invention, unless otherwise stated, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the invention can be understood according to the specific circumstances.

[0030] The parts disclosed herein refer to cast iron shell parts. The existing marking technology requires drilling holes in the cast shell. During drilling, there are quality risks such as the shell being pierced or cracked and the riveting holes being corroded.

[0031] The plastic material 5 of the present disclosure includes one or more components of acrylic, epoxy, plastic and rubber.

[0032] Example 1

[0033] Combined with Figures 1 to 3 This embodiment provides a hot melt bonding device, which is used to heat a plastic material 6-2 and bond the heated plastic material 6-2 to a surface of a part, and includes a positioning lifting member for positioning and lifting the part and a resistance heater 6 connected to the positioning lifting member, and the resistance heater 6 is used to heat and convey the plastic material 6-2;

[0034] The positioning lifting member includes a support plate 1 for supporting and fixing parts. Both ends of the support plate 1 are connected to a transmission frame 3, and the transmission frame 3 is connected to a motor 2. The motor 2 drives the support plate 1 through the transmission frame 3 to lift and position the parts.

[0035] Specifically, a plurality of plastic materials 6-2 are arranged inside the resistance heater 6, and the resistance heater 6 is also provided with a telescopic end 6-1 for pushing the heated plastic material 6-2 to the surface of the part, such as Figure 2 As shown, after the telescopic end 6-1 delivers the heated plastic material 6-2, it can be retracted and kept in the retracted state when not in use. The plastic material 6-2 is heated in a closed contact manner inside the resistance heater 6 and is pushed out through the telescopic end 6-1. In addition to heating the plastic material 6-2 and pushing it out after heating, the resistance heater 6 also includes the conveying of the plastic material 6-2. After the bonding of the previous plastic material 6-2 is completed, the resistance heater 6 will convey the next plastic material 6-2 into the heating zone for heating to start a new cycle.

[0036] Specifically, the transmission frame 3 includes a first transmission rod 3-1 and a second transmission rod 3-2 arranged in parallel, a resistance heater 6 is arranged on the first transmission rod 3-1, and an air cooling component 4 is fixed on the second transmission rod 3-2, and the air cooling component 4 realizes the function of cooling and blowing the plastic material 6-2. The air cooling component 4 can be other equipment that can realize the cooling and blowing function, such as an air cooler.

[0037] The resistance heater 6 and the air cooling part 4 are arranged in front of the part, specifically in front of the part where the marking is required. The positioning lifting part is arranged around the part to be marked, mainly to realize the lifting and positioning of the part.

[0038] The plastic material 6-2 includes one or more components of acrylic acid, epoxy resin, plastic and rubber. Such materials can be heated to a molten state by the resistance heater 6 and then bonded to the surface of the part.

[0039] Specifically, it also includes a control cabinet 5 connected to the transmission frame 3 , and the control cabinet 5 is also connected to the resistance heater 6 and the air cooling part 4 .

[0040] In this embodiment, the motor 2 is connected to the telescopic cylinder, and the lifting and lowering of the support plate 1 is realized through a pneumatic, electric or hydraulic system. For the safety of the device, the control cabinet 5 is also connected to a protective member 7, which is arranged around the positioning lifting member.

[0041] In addition, this embodiment also provides a shell surface laser marking device, which includes a cleaning device, a hot melt bonding device and a marking and scanning detection device connected to the roller. The hot melt bonding device adopts the above-mentioned device to hot-melt the plastic material 6-2 and then bond it to the surface of the shell parts. The cleaning device and the marking and scanning detection device both adopt conventional equipment.

[0042] More specifically, laser sensors for detecting the position of shell parts are respectively arranged on both sides of the roller, and the laser sensors are connected to the control cabinet 5; after receiving the signal from the laser sensor, the control cabinet 5 controls the resistance heater 6, the positioning lifting part, the air cooling part 4 and the marking and scanning detection device to perform heating, lifting, blowing, marking and scanning. The marking and scanning detection part is also arranged beside the roller, fixed on the ground by a bracket, and operates through the roller input signal.

[0043] In this embodiment, laser sensors are arranged at corresponding positions of the cleaning device, the hot melt bonding device and the marking and scanning detection device. The number of laser sensors is at least 6, which are arranged in groups of two and are arranged on both sides of the roller.

[0044] Embodiment 2:

[0045] The present invention also discloses a hot melt adhesive marking system, which comprises a cleaning module for cleaning parts, a hot melt adhesive module and a marking module which are sequentially connected and arranged;

[0046] The hot melt bonding module is used to realize the function of the hot melt bonding device described in the present invention, and hot melt bonds the plastic material 6-2 to the cleaned surface of the part;

[0047] The marking module marks the surface of the plastic material 6-2 on the part.

[0048] In this embodiment, the part is a cast iron shell part. The existing marking technology requires drilling holes in the cast shell. When drilling holes, there are quality risks such as the shell being pierced or cracked, and the riveting holes being corroded. The present invention ensures that the marking surface is not corroded and the anti-rust measures do not affect the subsequent code scanning. The specific hot melt adhesive marking process is as follows:

[0049] After the laser sensor detects the shell part (the part to be marked), it sends a position signal to the control cabinet 5, and the control cabinet 5 sends a signal to trigger the resistance heater 6 to heat the bonding surface of the plastic material 6-2 placed inside the resistance heater 6;

[0050] The cleaning module cleans the bonding surface of the part to be marked and then releases it to the hot melt bonding device, triggering the laser sensor to send a position signal to the control cabinet 5. The control cabinet 5 sends a signal to trigger the positioning lifting part to perform precise positioning. Specifically, the part to be marked corresponds to the position of the resistance heater 6, and the air cooling part 4 is started to purge the clean surface. Then, the telescopic end 6-1 of the resistance heater 6 pushes out the heated plastic material 6-2 and presses it into the bonding surface of the shell part, and continues to purge with the air cooling part 4. After the plastic material 6-2 and the part to be marked are cooled and bonded, the positioning lifting part descends, the telescopic end 6-1 of the resistance heater 6 retracts, and the heating and bonding process ends.

[0051] After the heating and bonding of the parts to be marked is completed, the laser sensor is triggered to send the position to the control cabinet 5. The control cabinet 5 sends a signal to trigger the marking and scanning detection part to ablate and mark the surface of the plastic material 6-2. After the marking is completed, the marking and scanning detection part performs scanning quality inspection and records it, and the marking process is completed.

[0052] In this embodiment, the laser sensor has a measurement frequency of 1-15 Hz, a measurement range of 0.05-3 meters, an accuracy of ±1 MM, and a resolution of 0.1 MM.

[0053] The heating power of the resistance heater 6 is 5KW, and the heating temperature range is 80-200°C.

[0054] The setting parameters of the marking and code scanning detection equipment in this embodiment are:

[0055] Laser power: 20W;

[0056] Laser wavelength: 1064MM;

[0057] Minimum spot diameter: 0.03MM

[0058] Minimum character: 0.2MM;

[0059] Repeatability: ±0.1MM

[0060] Printing speed: 100MM / S;

[0061] Laser Class: Class 4

[0062] Code reading density: ≥3MIL;

[0063] Light source: Laser

[0064] Scanning speed: 200 / sec;

[0065] Protection grade: IP54;

[0066] Scanning angle: ±60°.

[0067] In the above-listed embodiments, the purpose, technical solutions and advantages of the present invention are further described in detail. It should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0068] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0069] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0070] In addition, the various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the content invented by the present disclosure.

Claims

1. A hot melt bonding device, characterized in that: The hot melt bonding device is used to heat the plastic material (6-2) and bond the heated plastic material (6-2) to the surface of the part, and comprises a positioning lifting member used to position and lift the part and a resistance heater (6) connected to the positioning lifting member, wherein the resistance heater (6) is used to heat and convey the plastic material (6-2); The positioning lifting member comprises a support plate (1) for supporting and fixing parts, the two ends of the support plate (1) are connected to a transmission frame (3), the transmission frame (3) is connected to a motor (2), and the motor (2) drives the support plate (1) through the transmission frame (3) to lift and position the parts; A plurality of plastic materials (6-2) are arranged inside the resistance heater (6), and the resistance heater (6) is also provided with a telescopic end (6-1) for pushing the heated plastic materials (6-2) to the surface of the part; The transmission frame (3) comprises a first transmission rod (3-1) and a second transmission rod (3-2) arranged in parallel, the first transmission rod (3-1) is provided with the resistance heater (6), the second transmission rod (3-2) is fixed with an air cooling component (4), and the air cooling component (4) realizes the function of cooling and blowing air on the plastic material (6-2); It also includes a control cabinet (5) connected to the transmission frame (3), and the control cabinet (5) is also connected to the resistance heater (6) and the air cooling component (4).

2. The hot melt bonding device according to claim 1, characterized in that: The motor (2) is connected to the telescopic cylinder, and the lifting and lowering of the support plate (1) is achieved through a pneumatic, electric or hydraulic system.

3. The hot melt bonding device according to claim 1, characterized in that: The control cabinet (5) is also connected to a protective member (7), and the protective member (7) is arranged around the positioning lifting member.

4. A hot melt adhesive marking system, characterized in that: The system comprises a cleaning module, a hot melt bonding module and a marking module which are sequentially connected and arranged to clean the parts; The hot melt bonding module is used to realize the function of the hot melt bonding device described in any one of claims 1 to 3, and hot melt bonds the plastic material (6-2) to the cleaned surface of the part; The marking module marks the surface of the plastic material (6-2) on the part.

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