Hot melting device

Abstract

The utility model relates to the technical field of hot melting devices, in particular to a hot melting device which comprises a hot melting component, the hot melting component comprises a fixing seat, a plurality of hot melting head assemblies are evenly arranged on the fixing seat, each hot melting head assembly comprises two hot melting heads, grooves are formed in the ends of the hot melting heads to form hot melting head cavities, chamfers are arranged at the bottoms of the hot melting head cavities, and the chamfers are arranged on the fixing seat. Due to the arrangement of the chamfer in the hot melting head cavity, the internal volume is reduced, the hot melting column and the hot melting head are in complete contact and are melted, meanwhile, due to the fact that the internal smoothness is high, the defects of hot melting column wire drawing and the like after hot melting of a product are overcome, and the yield and the efficiency are both improved.

Description

Technical Field

[0001] This utility model relates to the field of hot-melt device technology, and in particular to a hot-melt device. Background Technology

[0002] After a product is assembled, the upper and lower shells need to be riveted together by hot-melting the hot-melt columns using a hot-melt equipment. Currently, the inner cross-section of the hot-melt head cavity is set vertically with a surface finish of 0.8. After the tooling loads the product to the hot-melt position, the hot-melt head contacts the hot-melt column of the product, and the hot-melt column melts and holds pressure to lock the upper and lower shells together to achieve the purpose of fastening. However, because the inner cavity of the hot-melt head is vertical and has no chamfer, it is easy to form an air cavity. The hot-melt column cannot make complete contact and melt with the hot-melt head. After the hot-melt head separates from the hot-melt column, the insufficient internal surface finish makes it easy for waste material to remain on the inner wall of the hot-melt head. After multiple hot-melts, poor wire drawing occurs. Summary of the Invention

[0003] The purpose of this utility model is to overcome the shortcomings of the above-mentioned traditional technology and provide a hot-melting device. The chamfering of the hot-melting head cavity reduces the internal volume, allowing the hot-melting column to fully contact and melt with the hot-melting head. At the same time, due to the high internal smoothness, defects such as wire drawing of the hot-melting column after hot-melting are improved, thus achieving a dual improvement in yield and efficiency.

[0004] The purpose of this utility model is achieved through the following technical measures: a hot-melting device, including a hot-melting component, the hot-melting component including a fixed base, a plurality of hot-melting head assemblies uniformly arranged on the fixed base, each hot-melting head assembly including two hot-melting heads, the end of the hot-melting head being provided with a groove to form a hot-melting head cavity, and the bottom of the hot-melting head cavity having a chamfer.

[0005] As a further improvement to the above technical solution:

[0006] The radius of the chamfered arc is 0.2-0.4mm.

[0007] The surface finish of the hot melt head cavity is 0.3-0.5 mm.

[0008] The mounting base is provided with several grooves that can accommodate the hot melt head assembly.

[0009] The hot melt head assembly is fixed to the mounting base by bolts, and bolt holes are provided on both sides of the hot melt head assembly.

[0010] A cylinder is fixedly connected above the hot melt component, a fixing plate is fixedly connected above the cylinder, and a temperature controller is fixedly connected above the fixing plate. The temperature controller is electrically connected to the hot melt head.

[0011] The hot-melt component has support plates on both sides, the two support plates are symmetrically arranged, and the two support plates are fixedly connected to the fixing plate respectively.

[0012] Electric cylinders are installed on the lower inner sides of the two support plates. The two electric cylinders are on the same horizontal plane. A cover plate is installed directly below the hot melt component. The two ends of the cover plate are fixedly connected to the upper ends of the two electric cylinders respectively.

[0013] The cover plate is provided with several through holes evenly distributed. The through holes are strip-shaped holes, and each through hole is directly opposite the hot melt head assembly above.

[0014] Supporting components are fixedly connected to the outer sides of the two support plates, and a reinforcing plate is connected between the two support components.

[0015] Compared with existing technologies, the advantages of this utility model, due to the adoption of the above technical solution, are as follows: During operation, the product is loaded onto a fixture, which is positioned below a cover plate. An electric cylinder drives the cover plate to press down and fix the product, while a pneumatic cylinder drives the hot-melt component to press down. After the hot-melt head contacts the hot-melt column of the product, it is hot-pressed for 8 seconds, the hot-melt column melts and is held under pressure for 1 second. Then, the pneumatic cylinder drives the hot-melt component to lift up, and the electric cylinder drives the cover plate to lift up, pushing the fixture out until the hot-melt process is complete. The chamfered design inside the hot-melt head cavity reduces the internal volume, ensuring complete contact and melting between the hot-melt column and the hot-melt head. Simultaneously, the high internal smoothness improves defects such as stringing of the hot-melt column after product hot-melting, achieving a dual improvement in yield and efficiency.

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a hot-melt device according to embodiments 1-3 of this utility model;

[0018] Figure 2 This is a three-dimensional structural schematic diagram of a hot-melt device according to embodiments 1-3 of this utility model;

[0019] Figure 3 yes Figure 1 A bottom view;

[0020] Figure 4 This is a schematic diagram of the structure of the hot-melt component in embodiments 1-3 of this utility model;

[0021] Figure 5 yes Figure 4 A bottom view;

[0022] Figure 6 yes Figure 4 Schematic diagram of the cross-sectional structure along the AA direction;

[0023] Figure 7 yes Figure 6 A magnified view of part B in the middle.

[0024] In the diagram, 1-hot melt component, 2-fixed base, 3-hot melt head assembly, 4-bolt hole, 5-hot melt head, 6-groove, 7-chamfer, 8-cylinder, 9-fixed plate, 10-temperature controller, 11-support plate, 12-electric cylinder, 13-cover plate, 14-through hole, 15-support component, 16-reinforcing plate, 17-fan. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1

[0026] like Figure 1-7 As shown, a hot-melting device includes a hot-melting component 1. The hot-melting component 1 includes a fixing base 2. A plurality of hot-melting head assemblies 3 are evenly arranged on the fixing base 2. The fixing base 2 is provided with a plurality of grooves that can accommodate the hot-melting head assemblies 3. The hot-melting head assemblies 3 are fixed on the fixing base 2 by bolts. Bolt holes 4 are provided on both sides of the hot-melting head assemblies 3.

[0027] Each hot melt head assembly 3 includes two hot melt heads 5. The end of the hot melt head 5 is provided with a groove 6 to form a hot melt head cavity. The bottom of the hot melt head cavity has a chamfer 7 with a radius of 0.2 mm and a surface finish of 0.3 mm.

[0028] A cylinder 8 is fixedly connected to the top of the hot melt component 1, a fixing plate 9 is fixedly connected to the top of the cylinder 8, a temperature controller 10 is fixedly connected to the top of the fixing plate 9, the temperature controller 10 is electrically connected to the hot melt head 5, and can control and adjust the temperature of the hot melt head 5; support plates 11 are provided on both sides of the hot melt component 1, the two support plates 11 are symmetrically arranged, and the two support plates 11 are fixedly connected to the fixing plate 9 respectively.

[0029] Electric cylinders 12 are respectively provided on the lower inner side of the two support plates 11. The two electric cylinders 12 are on the same horizontal plane. A cover plate 13 is provided directly below the hot melt component 1. The two ends of the cover plate 13 are fixedly connected to the upper ends of the two electric cylinders 12 respectively. Several through holes 14 are evenly provided on the cover plate 13. The through holes 14 are strip-shaped holes. Each through hole 14 is directly opposite the hot melt head assembly 3 above. Support members 15 are fixedly connected to the outer sides of the two support plates 11 respectively. A reinforcing plate 16 is connected between the two support members 15. The reinforcing plate 16 plays a role in strengthening the support of the two support plates 11.

[0030] A fan 17 is provided on the rear side of the cylinder 8, and the fan 17 is fixedly connected to the support plate 11. Example 2

[0031] like Figure 1-7 As shown, a hot-melting device includes a hot-melting component 1. The hot-melting component 1 includes a fixing base 2. A plurality of hot-melting head assemblies 3 are evenly arranged on the fixing base 2. The fixing base 2 is provided with a plurality of grooves that can accommodate the hot-melting head assemblies 3. The hot-melting head assemblies 3 are fixed on the fixing base 2 by bolts. Bolt holes 4 are provided on both sides of the hot-melting head assemblies 3.

[0032] Each hot melt head assembly 3 includes two hot melt heads 5. The end of the hot melt head 5 is provided with a groove 6 to form a hot melt head cavity. The bottom of the hot melt head cavity has a chamfer 7 with a radius of 0.4 mm and a surface finish of 0.5 mm.

[0033] A cylinder 8 is fixedly connected to the top of the hot melt component 1, a fixing plate 9 is fixedly connected to the top of the cylinder 8, a temperature controller 10 is fixedly connected to the top of the fixing plate 9, the temperature controller 10 is electrically connected to the hot melt head 5, and can control and adjust the temperature of the hot melt head 5; support plates 11 are provided on both sides of the hot melt component 1, the two support plates 11 are symmetrically arranged, and the two support plates 11 are fixedly connected to the fixing plate 9 respectively.

[0034] Electric cylinders 12 are respectively provided on the lower inner side of the two support plates 11. The two electric cylinders 12 are on the same horizontal plane. A cover plate 13 is provided directly below the hot melt component 1. The two ends of the cover plate 13 are fixedly connected to the upper ends of the two electric cylinders 12 respectively. Several through holes 14 are evenly provided on the cover plate 13. The through holes 14 are strip-shaped holes. Each through hole 14 is directly opposite the hot melt head assembly 3 above. Support members 15 are fixedly connected to the outer sides of the two support plates 11 respectively. A reinforcing plate 16 is connected between the two support members 15. The reinforcing plate 16 plays a role in strengthening the support of the two support plates 11.

[0035] A fan 17 is provided on the rear side of the cylinder 8, and the fan 17 is fixedly connected to the support plate 11. Example 3

[0036] like Figure 1-7 As shown, a hot-melting device includes a hot-melting component 1. The hot-melting component 1 includes a fixing base 2. A plurality of hot-melting head assemblies 3 are evenly arranged on the fixing base 2. The fixing base 2 is provided with a plurality of grooves that can accommodate the hot-melting head assemblies 3. The hot-melting head assemblies 3 are fixed on the fixing base 2 by bolts. Bolt holes 4 are provided on both sides of the hot-melting head assemblies 3.

[0037] Each hot melt head assembly 3 includes two hot melt heads 5. The end of the hot melt head 5 is provided with a groove 6 to form a hot melt head cavity. The bottom of the hot melt head cavity has a chamfer 7 with a radius of 0.3 mm and a surface finish of 0.4 mm.

[0038] A cylinder 8 is fixedly connected to the top of the hot melt component 1, a fixing plate 9 is fixedly connected to the top of the cylinder 8, a temperature controller 10 is fixedly connected to the top of the fixing plate 9, the temperature controller 10 is electrically connected to the hot melt head 5, and can control and adjust the temperature of the hot melt head 5; support plates 11 are provided on both sides of the hot melt component 1, the two support plates 11 are symmetrically arranged, and the two support plates 11 are fixedly connected to the fixing plate 9 respectively.

[0039] Electric cylinders 12 are respectively provided on the lower inner side of the two support plates 11. The two electric cylinders 12 are on the same horizontal plane. A cover plate 13 is provided directly below the hot melt component 1. The two ends of the cover plate 13 are fixedly connected to the upper ends of the two electric cylinders 12 respectively. Several through holes 14 are evenly provided on the cover plate 13. The through holes 14 are strip-shaped holes. Each through hole 14 is directly opposite the hot melt head assembly 3 above. Support members 15 are fixedly connected to the outer sides of the two support plates 11 respectively. A reinforcing plate 16 is connected between the two support members 15. The reinforcing plate 16 plays a role in strengthening the support of the two support plates 11.

[0040] A fan 17 is provided on the rear side of the cylinder 8, and the fan 17 is fixedly connected to the support plate 11.

[0041] During operation, the product is loaded onto the fixture, which is positioned below the cover plate. An electric cylinder presses down the cover plate to secure the product, while a pneumatic cylinder presses down the hot-melt component. After the hot-melt head contacts the hot-melt column of the product, it is pressed for 8 seconds, the hot-melt column melts, and pressure is maintained for 1 second. Then, the pneumatic cylinder lifts the hot-melt component, and the electric cylinder lifts the cover plate, pushing the fixture out until the hot-melt process is complete. The chamfered design inside the hot-melt head cavity reduces the internal volume, ensuring complete contact and melting of the hot-melt column with the head. Simultaneously, the high internal smoothness improves defects such as stringing in the hot-melt column after product hot-melt, achieving a dual improvement in yield and efficiency.

[0042] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A hot melt apparatus characterized by: The application relates to a hot melting component (1) which comprises a fixing base (2) which is uniformly provided with a plurality of hot melting head assemblies (3), each of the hot melting head assemblies (3) comprises two hot melting heads (5), the end of each hot melting head (5) is provided with a groove (6) to form a hot melting head cavity, and the bottom of the hot melting head cavity is provided with a chamfer (7).

2. A heat staking device according to claim 1, wherein: The chamfer (7) has a circular arc radius of 0.2-0.4 mm.

3. A heat staking device according to claim 1, wherein: The smoothness of the hot melting head cavity is 0.3-0.5 mm.

4. A heat staking device according to any one of claims 1-3, characterized in that: The fixing base (2) is provided with a plurality of grooves which can accommodate the hot melting head assemblies (3).

5. A heat staking device according to claim 4, wherein: The hot melting head assemblies (3) are fixed on the fixing base (2) through bolts, and the hot melting head assemblies (3) are respectively provided with bolt holes (4) on the two sides.

6. A heat staking device according to claim 5, wherein: The upper portion of the hot melting component (1) is fixedly connected with a cylinder (8), the upper portion of the cylinder (8) is fixedly connected with a fixing plate (9), the upper portion of the fixing plate (9) is fixedly connected with a temperature controller (10), and the temperature controller (10) is electrically connected with the hot melting heads (5).

7. A heat staking device according to claim 6, wherein: The hot melting component (1) is respectively provided with support plates (11) on the two sides, the two support plates (11) are symmetrically arranged, and the two support plates (11) are respectively fixedly connected with the fixing plate (9).

8. A heat staking device according to claim 7, wherein: The inner sides of the lower portions of the two support plates (11) are respectively provided with electric cylinders (12), the two electric cylinders (12) are on the same horizontal plane, the lower portion of the hot melting component (1) is provided with a cover plate (13), and the two ends of the cover plate (13) are fixedly connected with the upper ends of the two electric cylinders (12).

9. A heat staking device according to claim 8, wherein: The cover plate (13) is uniformly provided with a plurality of through holes (14), the through holes (14) are strip-shaped holes, and each through hole (14) is opposite to the hot melting head assembly (3) above.

10. A heat staking device according to claim 9, wherein: The outer sides of the two support plates (11) are respectively fixedly connected with support pieces (15), and the two support pieces (15) are connected with a reinforcing plate (16).

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