Hot melting device

Abstract

The utility model relates to the technical field of laser equipment, in particular to a hot melting device. The laser assembly is used for heating a hot melt adhesive of a workpiece to be machined, the universal jig is used for placing the workpiece to be machined, the support is connected with a pressing plate assembly, and the pressing plate assembly is located on a laser light path and provided with a first through hole for laser to penetrate through. The universal jig is connected with a first lifting mechanism used for driving the universal jig to be close to or away from the pressing plate assembly, and a pressure sensor is arranged between the universal jig and the first lifting mechanism. The pressure sensor can monitor the pressure value of the workpiece to be machined in real time, and it is guaranteed that the pressure value of the workpiece to be machined is more accurate; and the workpiece to be machined is arranged on the universal jig, so that the levelness of the workpiece to be machined can be adjusted, the stress uniformity of the surface of the workpiece to be machined is ensured, and the hot melt adhesive bonding effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of laser equipment, in particular to a hot melting device. Background Art

[0002] Hot melt tape has the advantages of reliable adhesion, extremely high push-out resistance and peel strength, and extremely high shock resistance. It has a wide range of applications in the electronics industry and can be used to bond horns, buttons, watches, and plastic layers of mobile phone middle frames. However, hot melt adhesive has no adhesion in the solid state and needs to be bonded by heating and curing.

[0003] During use, the hot melt device needs to apply stable pressure to the workpiece to facilitate bonding of the workpiece. The existing hot melt device uses a cylinder for crimping. On the one hand, only the air pressure value can be read, which cannot reflect the actual physical pressure value of the workpiece, resulting in the inability to truly record and feedback the pressure value. On the other hand, there is a situation where the force on the workpiece is unstable or uneven, which affects the consistency of workpiece processing. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a hot melt device, including a bracket, a laser component for heating the hot melt adhesive of the workpiece to be processed, and a universal jig for placing the workpiece to be processed, the bracket is connected to a pressure plate assembly, the pressure plate assembly is located in the laser light path and is provided with a first through hole for the laser to pass through, the universal jig is connected to a first lifting mechanism for driving it to approach or move away from the pressure plate assembly, and a pressure sensor is provided between the universal jig and the first lifting mechanism.

[0005] Furthermore, the universal jig includes a first jig plate, a second jig plate, a third jig plate and a fourth jig plate for placing a workpiece to be processed, the second jig plate is arranged in the first jig plate and the two are movably connected by a first rotating shaft, the third jig plate is arranged in the second jig plate and the two are movably connected by a second rotating shaft, the axis of one of the first rotating shaft and the second rotating shaft is arranged along the X-axis direction, and the other is arranged along the Y-axis, and the fourth jig plate is arranged in the third jig plate.

[0006] Furthermore, a first positioning member is provided on the fourth fixture plate, and a second positioning member is provided on the pressure plate assembly, and the second positioning member is positioned and matched with the first positioning member.

[0007] Furthermore, the pressure plate assembly includes a first pressure plate, which is horizontally arranged and connected to the bracket via a plurality of elastic members, the elastic members have a telescopic direction in a vertical direction, and the first through hole is provided on the first pressure plate.

[0008] Furthermore, the pressing plate assembly also includes a mounting seat and an optical glass, wherein the mounting seat is mounted to the bottom of the first pressing plate, and the optical glass is arranged on the mounting seat and corresponding to the first through hole.

[0009] Furthermore, a guide assembly is arranged between the first pressure plate and the bracket, and the guide assembly includes a plurality of guide sleeves and a plurality of guide columns. The guide columns and the guide sleeves are arranged in a one-to-one correspondence. The guide sleeve is arranged on the bracket, and one end of the guide column is connected to the first pressure plate, and the other end is passed through the guide sleeve.

[0010] Furthermore, it also includes a horizontal movable platform, which includes a slide rail and a slide table, the slide rail passes through the pressure plate assembly, the slide table is movably arranged on the slide rail, the first lifting mechanism is arranged on the slide table, and the slide table is connected to a driving unit that drives it to move along the slide rail.

[0011] Furthermore, a plurality of photoelectric switches are arranged on the slide rail, and a sensing element that senses the photoelectric switches is arranged on the slide platform, wherein one of the photoelectric switches is arranged below the pressure plate assembly.

[0012] Furthermore, it also includes a second lifting mechanism, which is arranged on one side of the bracket, and the laser assembly is arranged at the output end of the second lifting mechanism.

[0013] Furthermore, the bracket includes two vertical plates and a connecting plate spanning the two vertical plates, the connecting plate is provided with a second through hole located on the laser light path, and the pressure plate assembly is mounted on the connecting plate.

[0014] Due to the adoption of the above technical solution, the utility model has the following beneficial effects compared with the prior art:

[0015] 1) The hot melt device provided by the utility model can monitor the pressure value of the workpiece to be processed in real time with a pressure sensor to ensure that the pressure value of the workpiece to be processed is more accurate; and the workpiece to be processed is placed on a universal fixture, and the horizontality of the workpiece to be processed can be adjusted to ensure the uniformity of force on the surface of the workpiece to be processed, thereby improving the bonding effect of the hot melt adhesive;

[0016] 2) In the hot melt device provided by the utility model, an elastic member is arranged between the pressing plate assembly and the bracket, which can play a buffering role on the one hand to avoid impact on the workpiece to be processed; on the other hand, it can prevent the workpiece to be processed from being over-pressurized and protect the workpiece to be processed;

[0017] 3) In the hot melt device provided by the utility model, a guide assembly is arranged between the pressure plate assembly and the bracket, which can ensure that the pressure plate keeps rising horizontally and avoid the pressure plate from tilting during the movement, resulting in uneven force applied to the workpiece to be processed, affecting the bonding quality of the workpiece to be processed. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the structure of the hot melt device in Example 1 of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the hot melt device in Example 2 of the utility model;

[0021] Figure 3 It is a partial schematic diagram of the hot melt device in Embodiment 1 and Embodiment 2 of the present utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the pressure plate assembly and the universal fixture in Example 1 of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the pressure plate assembly and the universal fixture in Example 2 of the utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the second pressing plate in Example 1 of the utility model;

[0025] Figure 7 This is a schematic diagram of the structure of the universal fixture in Example 1 of the utility model;

[0026] Figure 8 This is a schematic diagram of the structure of the universal fixture in Example 2 of the utility model;

[0027] Fig. 9 It is a structural schematic diagram of the second lifting mechanism in Embodiment 1 and Embodiment 2 of the present utility model;

[0028] Fig.10 It is a schematic diagram of the structure of the horizontal moving platform in Example 1 and Example 2 of the utility model.

[0029] Description of reference numerals:

[0030] 1- workbench; 2- bracket; 21- vertical plate; 22- connecting plate; 221- limiting hole; 23- second through hole; 24- rib plate; 25- reinforcing rib; 3- laser assembly; 31- laser; 32- galvanometer; 33- lens unit; 4- universal fixture; 41- first fixture plate; 42- second fixture plate; 43- third fixture plate; 44- fourth fixture plate; 441- first positioning member; 45- first rotating shaft; 46- second rotating shaft; 47- bearing; 48- bearing pressure plate; 49- anti-wear pad; 5- pressure plate assembly; 51- first through hole; 52- first pressure plate; 53 -elastic part; 54-limiting column; 55-guide sleeve; 56-guide column; 57-first pressing plate; 58-second pressing plate; 581-second positioning member; 582-protrusion; 59-mounting seat; 510-optical glass; 511-second pressing plate; 6-first lifting mechanism; 7-pressure sensor; 8-horizontal moving platform; 81-first slide rail; 82-first slide table; 83-first motor; 9-second lifting mechanism; 91-second slide rail; 92-second slide table; 93-fixed seat; 94-second motor; 95-base; 10-photoelectric switch; 11-sensing element. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. In the drawings, the size and relative size of some parts may be enlarged for clarity.

[0032] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connection" and "connected" should be interpreted 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 ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the description of the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "center", "horizontal", "vertical", "top", "bottom", "inside" and "outside" and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0034] In addition, in the description of the present invention, the terms "first" and "second" are only used to distinguish in the description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0035] As the instruction manual Figure 1 and 2 As shown, the utility model provides a hot melt device, including a bracket 2, a laser component 3 for heating the hot melt adhesive of the workpiece to be processed, and a universal fixture 4 for placing the workpiece to be processed, the bracket 2 is connected to a pressure plate assembly 5, the pressure plate assembly 5 is located on the laser light path and is provided with a first through hole 51 for the laser to pass through, the universal fixture 4 is connected to a first lifting mechanism 6 for driving it to approach or move away from the pressure plate assembly 5, a pressure sensor 7 is provided between the universal fixture 4 and the first lifting mechanism 6, and the pressure sensor 7 is preferably a flat-plate single pressure sensor. In this embodiment, the laser assembly 3 is used to heat the workpiece to be processed to melt the hot melt adhesive. The workpiece to be processed is set on the universal fixture 4. The first lifting mechanism 6 drives the universal fixture 4 to move toward the pressure plate assembly 5 until the workpiece to be processed abuts against the pressure plate assembly 5. The pressure plate assembly 5 applies pressure to the workpiece to be processed. The pressure sensor 7 can monitor and obtain the pressure value in real time, and record the pressure value of the workpiece to be processed. The pressure sensor 7 is also connected to a pressure digital display for reading the pressure value. The first lifting mechanism 6 can establish a signal interlock with the pressure sensor 7. When the pressure on the workpiece to be processed reaches the set value, the first lifting mechanism 6 can be closed and the ascent can be stopped. At this time, the workpiece to be processed is located in the heating area of ​​the laser assembly 3, and the laser focal length of the laser assembly 3 falls on the workpiece to be processed, which is used to heat the workpiece to be processed.

[0036] Preferably, the hot melt device also includes a frame and a workbench 1, the workbench 1 is arranged on the frame, the laser component 3 and the bracket 2 are arranged on the workbench 1, and the laser component 3 is arranged on one side of the bracket 2, and the laser direction of the laser component 3 is set toward the bracket 2; the workbench is also provided with buckles or installation grooves for installing other components, which can be set as needed.

[0037] Specifically, the first lifting mechanism 6 is a linear motion mechanism such as a lifting mechanism, a cylinder, a hydraulic rod, a screw rod, etc., and the universal fixture 4 is arranged at the output end of the first lifting mechanism 6.

[0038] Optimize the implementation method, as shown in the attached manual Figure 3As shown, the bracket 2 is in a "J" shape, including two vertical plates 21 and a connecting plate 22 spanning the two vertical plates 21, the connecting plate 22 is provided with a second through hole 23 located on the laser light path, and the pressure plate assembly 5 is installed on the connecting plate 22; preferably, the bottom of the vertical plate 21 is connected to the workbench 1, and the vertical plate 21 and the workbench 1 are connected by an L-shaped rib 24, which can improve the strength of the bracket 2, and a reinforcing rib 25 is provided between the vertical plate 21 and the connecting plate 22, the laser assembly 3 is located above the connecting plate 22, and during the processing, the universal fixture 4 is located below the connecting plate 22.

[0039] In an optimized implementation mode, the pressure plate assembly 5 includes a first pressure plate 52, the first pressure plate 52 is horizontally arranged, the first pressure plate 52 is arranged parallel to the connecting plate 22, the first pressure plate 52 is connected to the connecting plate 22 through a plurality of elastic members 53, the expansion and contraction direction of the elastic members 53 is the same as the movement direction of the universal fixture 4, and the first through hole 51 is opened on the first pressure plate 52; preferably, the first pressure plate 52 is arranged toward the universal fixture 4, the first through hole 51 is opened in the middle of the first pressure plate 52, the first through hole 51 is located on the laser light path and can be used for the laser to pass through The laser is focused on the workpiece to be processed to heat the workpiece. The elastic member 53 is preferably a spring. A plurality of springs are evenly distributed on the first pressure plate 52. One end of the spring is connected to the first pressure plate 52, and the other end is connected to the connecting plate 22. When the first lifting mechanism 6 drives the universal fixture 4 to move toward the first pressure plate 52, the first pressure plate 52 can move upward and compress the spring. Due to the characteristics of the spring, when the workpiece to be processed contacts the first pressure plate 52, it can play a buffering role to avoid the first pressure plate 52 from hitting the workpiece to be processed. In addition, it can also prevent the workpiece to be processed from being over-pressed.

[0040] Preferably, a limit column 54 is further provided in the spring, one end of the limit column 54 is connected to the first pressure plate 52, and the other end is a free end, and the free end is in a shape of being small at the top and large at the bottom. A limit hole 221 is provided on the connecting plate 22 corresponding to the position of the limit column 54. When in a free state, there is a distance between the limit column 54 and the connecting plate 22. When the first pressure plate 52 is forced to move upward, the limit column 54 moves toward the connecting plate 22 until the limit column 54 is inserted into the limit hole 221. Due to the action of the limit column 54, the first pressure plate 52 stops moving upward, which can prevent the spring from being over-compressed, resulting in reduced elasticity or failure, and can extend the service life of the spring.

[0041] In this embodiment, the first pressure plate 52 can be used directly to apply pressure to the workpiece to be processed. The first through hole 51 and the second through hole 23 are preferably coaxially arranged. Then, when the universal fixture 4 drives the workpiece to be processed to move to the abutment pressure plate assembly, the laser can be irradiated on the workpiece to be processed. Of course, according to the size or shape of the workpiece to be processed, other matching pressure plates can be set, and they are set at the end of the first pressure plate facing the universal fixture to clamp the workpiece to be processed. In the following embodiments 1 and 2, the specific pressure plate assembly 5 will be described in detail.

[0042] In a detailed implementation manner, a guide assembly is further provided between the first pressure plate 52 and the connecting plate 22, and the guide assembly includes a plurality of guide sleeves 55 and a plurality of guide columns 56. The guide columns 56 and the guide sleeves 55 are provided in a one-to-one correspondence. Preferably, four guide sleeves 55 and four guide columns 56 are provided in this embodiment, and the guide columns 56 are evenly distributed around the first pressure plate 52. The guide sleeve 55 is provided on the connecting plate 22, and one end of the guide column 56 is connected to the first pressure plate 52, and the other end is passed through the guide sleeve 55. A guide assembly is provided between the first pressure plate 52 and the connecting plate 22, which can ensure that the first pressure plate 52 remains horizontal during movement, so that the force applied to the surface of the workpiece to be processed is more uniform.

[0043] Optimize the implementation method, as shown in the attached manual Figure 7 and 8 As shown in the figure, part of the bearing pressure plate is omitted in order to show the bearing. The universal fixture 4 includes a first fixture plate 41, a second fixture plate 42, a third fixture plate 43 and a fourth fixture plate 44 for placing the workpiece to be processed. The second fixture plate 42 is arranged in the first fixture plate 42 and the two are movably connected by a first rotating shaft 45. Specifically, the first rotating shaft 45 is arranged in the middle of both sides of the second fixture plate 42, and the second fixture plate 42 can rotate around the first rotating shaft 45. The third fixture plate 43 is arranged in the second fixture plate 42 and the two are movably connected. The third jig plate 43 is movably connected through a second rotating shaft 46, and the second rotating shaft 46 is arranged in the middle of both sides of the third jig plate 43. The third jig plate 43 can rotate around the second rotating shaft 46. The axis of one of the first rotating shaft 45 and the second rotating shaft 46 is arranged along the X-axis direction, and the other is arranged along the Y-axis. The fourth jig plate 44 is arranged in the third jig plate 43, and the component to be processed is arranged on the fourth jig plate. Since the third jig plate and the second jig plate are rotatable, the horizontality of the workpiece to be processed can be adjusted to ensure that the workpiece to be processed is subjected to uniform force when in contact with the first pressure plate.

[0044] Specifically, the first jig plate 41 and the second jig plate 42 are both provided with a receiving groove, a bearing 47 is provided in the receiving groove, a bearing pressure plate 48 is provided on the receiving groove, and a receiving groove for accommodating the bearing 47 is formed between the bearing pressure plate 48 and the jig plate. The receiving groove of the first jig plate 41 is provided corresponding to the first rotating shaft 45, and the first rotating shaft 45 is connected to the bearing 47 in the receiving groove, and the receiving groove of the second jig plate 42 is provided corresponding to the second rotating shaft 46, and the second rotating shaft 46 is connected to the bearing 47 of the receiving groove.

[0045] Preferably, anti-wear pads 49 are also provided on the first rotating shaft 45 and the second rotating shaft 46 . The anti-wear pads 49 on the first rotating shaft 45 are arranged between the bearing 47 and the second fixture plate 42 , and the anti-wear pads 49 on the second rotating shaft 46 are arranged between the bearing 47 and the third fixture 43 .

[0046] Preferably, the workpiece to be processed is set on the fourth fixture plate 44. The structure of the fourth fixture plate 44 can be set or replaced according to the actual size or shape of the workpiece to be processed to meet the use requirements of different workpieces to be processed. The structure of the fourth fixture plate 44 is not limited in this application.

[0047] Optimize the implementation method, as shown in the attached manual Fig.10 As shown, it also includes a horizontal moving platform 8, and the horizontal moving platform 8 includes a first slide rail 81 and a first slide 82. The first slide rail 81 passes through the pressure plate assembly 5 below, and the first slide 82 is movably arranged on the first slide rail 81. The first lifting mechanism 6 is arranged on the first slide 82, and the first slide 82 is connected to a first motor 83 that drives it to move along the first slide rail 81; specifically, the first motor 83 can drive the first slide 82 to move to the upper and lower material positions away from the pressure plate assembly 5. When in the upper and lower material positions, it can be used for unloading and loading of the workpiece to be processed. After loading on the universal fixture 4, the first motor 83 drives the first slide 82 to move toward the pressure plate assembly 5 until it moves to the bottom of the pressure plate assembly 5, turns off the first motor 83, starts the first lifting mechanism 6, drives the universal fixture 4 to move upward until the first pressure plate 52 abuts against the workpiece to be processed, turns on the laser assembly 3, and adjusts the laser assembly 3 to focus the focal length on the workpiece to be processed. After the processing is completed, the first lifting mechanism 6 drives the universal fixture 4 to move downward, and the workpiece to be processed moves away from the first pressure plate 52. When there is a certain distance between the first pressure plate 52 and the workpiece to be processed, the first lifting mechanism 6 stops descending, and the first motor 83 drives the first slide 82 to move to the upper and lower material positions for unloading and loading.

[0048] Optimize the implementation method, as shown in the attached manual Fig. 9As shown, it also includes a second lifting mechanism 9, which is installed on the workbench 1 and located on one side of the bracket 2, and the laser assembly 2 is arranged at the output end of the second lifting mechanism 9; specifically, the second lifting mechanism 9 includes a second slide rail 91 and a second slide 92, the second slide 92 is movably arranged on the second slide rail 91, and the second slide 92 is connected to a fixed seat 93, the laser assembly 3 is arranged on the fixed seat 93, and the second slide 92 is also connected to a second motor 94 for driving it to move along the second slide rail 91 to drive the laser assembly 3 to rise and fall.

[0049] Specifically, the second lifting mechanism 9 also includes a base 95, the second slide rail 91 is installed on the base 95, and the base 95 is installed on the workbench 1. Preferably, the base 95 and the fixed seat 93 are both provided with waist-shaped holes for installation, and the waist-shaped holes on the base 95 and the fixed seat 93 are respectively arranged horizontally and vertically, so that the horizontal and vertical positions of the laser assembly 3 can be fine-tuned.

[0050] In an optimized implementation mode, the laser assembly 3 includes a laser 31 and a galvanometer 32 and a lens unit 33 arranged on the laser light path.

[0051] In an optimized implementation manner, a travel switch assembly is provided on the horizontal moving platform 8 and the second lifting mechanism 9 for monitoring the position of the slide and controlling the travel of the slide; specifically, the travel switch assembly includes a photoelectric switch 10 respectively provided on the first slide rail 81 and the second slide rail 91, and a sensing element 11 respectively provided on the first slide 82 and the second slide 92. The sensing element 11 cooperates with the corresponding photoelectric switch 10 to control the travel of the slide. The number and position of the photoelectric switch 10 can be set according to actual needs, wherein a photoelectric switch 10 is provided under the pressure plate assembly 5 of the first slide rail 81.

[0052] The hot melt device of the present application can be used for bonding screens and shells of electronic products such as mobile phones and watches. The structure of the pressure plate assembly 5 and the fourth fixture plate 44 will be adjusted accordingly for different workpieces to be processed, which will be explained in Example 1 and Example 2.

[0053] Example 1

[0054] As the instruction manual Figure 1 , 3 As shown in Figures 4, 6 and 7, this embodiment provides a hot melt device, and the structures of its workbench 1, laser assembly 2, second lifting mechanism 9, first lifting mechanism 6 and horizontal moving platform 8 are as described above and will not be repeated here. The same structures of the pressure plate assembly and the universal fixture will not be repeated either, and only the different structures will be described.

[0055] Preferably, a first pressing plate 57 is provided on the side of the first pressing plate 52 facing the universal jig 4, a second pressing plate 58 is provided on the side of the first pressing plate 57 facing the universal jig 4, the first pressing plate 57 is preferably a nylon pressing plate, and laser can penetrate the nylon pressing plate, a first positioning member 441 is provided on the fourth jig plate 44, a second positioning member 581 is provided on the second pressing plate 58, and the second positioning member 581 is positioned and matched with the first positioning member 441, specifically, the first positioning member 441 is a positioning column, and the second positioning member 581 is a positioning hole, and the positioning column can pass through the positioning hole, and a protrusion 582 for abutting the to-be-processed workpiece is provided on the side of the second pressing plate 58 facing the universal jig.

[0056] Example 2

[0057] As the instruction manual Figure 2 , 3 As shown in Figures 5 and 8, this embodiment provides a hot melt device, and the structures of its workbench 1, laser assembly 2, second lifting mechanism 9, first lifting mechanism 6 and horizontal moving platform 8 are as described above and will not be repeated here. The same structures of the pressure plate assembly and the universal fixture will not be repeated either, and only the different structures will be described.

[0058] Preferably, a mounting seat 59 is provided on the side of the first pressing plate 52 facing the universal fixture, and the mounting seats 59 are arranged at both ends of the first pressing plate 52. An optical glass 510 is provided between the two mounting seats 59, and the optical glass 510 is preferably tempered glass. A second pressing sheet 511 is provided on the side of the optical glass 510 facing the universal fixture 4, and the second pressing sheet 511 is preferably a nylon pressing sheet.

[0059] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0060] Those skilled in the art will appreciate that the present invention can be implemented in many other specific forms without departing from the spirit and scope of the present invention. Although the embodiments of the present invention have been described, it should be understood that the present invention should not be limited to this embodiment, and those skilled in the art can make changes and modifications within the spirit and scope of the present invention as defined by the attached claims.

Claims

1. A hot melt device, It is characterized in that It includes a bracket, a laser component for heating the hot melt adhesive of the workpiece to be processed, and a universal fixture for placing the workpiece to be processed. The bracket is connected to a pressure plate component, the pressure plate component is located on the laser light path and is provided with a first through hole for the laser to pass through. The universal fixture is connected to a first lifting mechanism for driving it to approach or move away from the pressure plate component, and a pressure sensor is provided between the universal fixture and the first lifting mechanism.

2. The hot melt device according to claim 1, It is characterized in that The universal jig includes a first jig plate, a second jig plate, a third jig plate and a fourth jig plate for placing a workpiece to be processed, the second jig plate is arranged in the first jig plate and the two are movably connected by a first rotating shaft, the third jig plate is arranged in the second jig plate and the two are movably connected by a second rotating shaft, the axis of one of the first rotating shaft and the second rotating shaft is arranged along the X-axis direction, and the other is arranged along the Y-axis, and the fourth jig plate is arranged in the third jig plate.

3. The hot melt device according to claim 2, It is characterized in that The fourth fixture plate is provided with a first positioning member, the pressure plate assembly is provided with a second positioning member, and the second positioning member is positioned and matched with the first positioning member.

4. The hot melt device according to claim 1, It is characterized in that The pressure plate assembly includes a first pressure plate, which is horizontally arranged and connected to the bracket via a plurality of elastic members, wherein the elastic members extend and retract in a vertical direction, and the first through hole is provided on the first pressure plate.

5. The hot melt device according to claim 4, It is characterized in that The pressing plate assembly further includes a mounting seat and an optical glass. The mounting seat is mounted to the bottom of the first pressing plate. The optical glass is arranged on the mounting seat and corresponds to the first through hole.

6. The hot melt device according to claim 4 or 5, It is characterized in that A guide assembly is also arranged between the first pressure plate and the bracket, and the guide assembly includes a plurality of guide sleeves and a plurality of guide columns. The guide columns and the guide sleeves are arranged in a one-to-one correspondence. The guide sleeve is arranged on the bracket, and one end of the guide column is connected to the first pressure plate, and the other end is passed through the guide sleeve.

7. The hot melt device according to claim 1, It is characterized in that It also includes a horizontal moving platform, which includes a slide rail and a slide table. The slide rail passes through the pressure plate assembly, and the slide table is movably arranged on the slide rail. The first lifting mechanism is arranged on the slide table, and the slide table is connected to a driving unit that drives it to move along the slide rail.

8. The hot melt device according to claim 7, It is characterized in that A plurality of photoelectric switches are arranged on the slide rail, and a sensing element for sensing the photoelectric switches is arranged on the slide platform, wherein one of the photoelectric switches is arranged below the pressure plate assembly.

9. The hot melt device according to claim 1, It is characterized in that It also includes a second lifting mechanism, which is arranged on one side of the bracket, and the laser component is arranged at the output end of the second lifting mechanism.

10. The hot melt device according to claim 1, It is characterized in that The bracket includes two vertical plates and a connecting plate spanning the two vertical plates. The connecting plate is provided with a second through hole located on the laser light path, and the pressure plate assembly is mounted on the connecting plate.

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