Plastic product shell hot melting equipment

Abstract

The utility model relates to hot melting equipment for a plastic product shell. The hot melting equipment comprises a bottom plate; the jig plate is fixed to the top of the bottom plate, a profiling groove is formed in the top of the jig plate, and a product shell is placed in the profiling groove; the lifting plate is arranged above the jig plate in a lifting manner; the heat conducting plate is fixed at the bottom of the lifting plate; the hot melting column is fixed to the bottom of the heat conduction plate and used for hot melting of the product shell in the profiling groove. The plastic product shell hot melting equipment is simple in structure and convenient to operate, an operator does not need to carry out hot melting work, the hot melting efficiency is improved, a product cannot deviate in the hot melting process, meanwhile, the effect after hot melting is improved, and cost is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of hot-melt equipment, and in particular relates to hot-melt equipment for plastic product shells. Background Art

[0002] Hot melt technology is often used in the production process of electronic products such as laptops. For example, hot melt positioning columns are made by heating to soften the plastic column and applying a certain force to deform it into the desired shape (such as a mushroom head). After cooling, the shape remains unchanged, so that it is fixed on the opponent part. Hot melting is usually achieved by an operator holding a hot melt gun against the place to be melted.

[0003] The existing hot melt method is inefficient and requires operators to hot melt the positioning columns on the surface of the product one by one, which is inefficient and may cause omissions. Moreover, when pressure is applied to the plastic columns, the parts are prone to deviation and shifting, resulting in deviations in the hot melt position and affecting the hot melt effect. Utility Model Content

[0004] The utility model provides a hot-melting device for plastic product shells, which solves the defects of the existing hot-melting method, such as low hot-melting efficiency and easy deviation of the hot-melting position.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a hot-melt device for plastic product shells, which includes:

[0006] base plate;

[0007] A jig plate, the jig plate being fixed to the top of the base plate, the top of the jig plate being provided with a contoured groove, the product housing being placed in the contoured groove;

[0008] A lifting plate, the lifting plate being movably disposed above the jig plate;

[0009] A heat conducting plate, the heat conducting plate being fixed to the bottom of the lifting plate;

[0010] The hot melt column is fixed at the bottom of the heat conducting plate and is used for hot melting the product shell in the contoured groove.

[0011] Optimally, the jig plate includes a first jig plate fixed to the bottom of the base plate, a second jig plate integrally connected to the top of the first jig plate, a positioning plate integrally connected to the top of the second jig plate, and an avoidance groove opened on one side of the second jig plate, and the contour groove is opened on the top of the second jig plate.

[0012] Optimally, it also includes a fixing block fixed to the bottom of the heat conducting plate, a mounting hole opened at the bottom of the fixing block, and a compression bolt fixed in the mounting hole. When the hot melt column descends and abuts the upper surface of the product shell, the compression bolt abuts the top of the second jig plate.

[0013] Optimally, it further comprises a fixing rod fixed to the bottom of the heat conducting plate, a supporting plate integrally connected to the bottom of the fixing rod, and a pressing sleeve and a spring sleeved on the fixing rod, wherein the spring is pressed between the pressing sleeve and the heat conducting plate.

[0014] Optimally, it also includes fixing holes spaced apart on the top of the base plate, a pressing plate pressed onto the top of the first fixture plate, an adjustment slot passing through the pressing plate, and a fastening bolt passing through the adjustment slot and fixed in the fixing hole.

[0015] Optimally, it further comprises a positioning post fixed on the top of the base plate and a positioning hole penetrating the first fixture plate and the second fixture plate and cooperating with the positioning post.

[0016] Optimally, the pressing sleeve is made of rubber.

[0017] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0018] When the utility model is used for hot-melting the plastic product shell, the plastic product is first placed in the profiling groove, the pressing plate is pressed on both sides of the jig plate to position the jig plate, and then the lifting cylinder drives the lifting plate down. When the pressing bolt is lowered and hits the upper surface of the second jig plate, the pressing sleeve is lowered and hits the upper surface of the product, and the hot-melt column completes the hot-melt work.

[0019] It is easy to operate and does not require an operator to perform hot melting work, which improves the efficiency of hot melting and eliminates the possibility of omissions. In addition, the product will not shift during the hot melting process, which also improves the effect after hot melting and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 This is the main view of the utility model;

[0022] Figure 3 It is a schematic diagram of the partial structure of the bottom of the utility model;

[0023] Figure 4 This is a schematic diagram of the partial structure of the top of the utility model;

[0024] Figure 5 This is a cross-sectional view of the fixing rod of the utility model;

[0025] Description of reference numerals:

[0026] 1. Bottom plate; 2. First jig plate; 3. Second jig plate; 4. Profiling groove; 5. Avoidance groove; 6. Positioning column; 7. Positioning hole; 8. Positioning plate; 9. Fixing hole; 10. Pressing plate; 11. Adjusting groove; 12. Fastening bolt; 13. Fixing column; 14. Guide sleeve; 15. Top plate; 16. Lifting cylinder; 17. Lifting plate; 18. Connecting plate; 19. Pad; 20. Partition; 21. Heat conduction plate; 22. Hot melt column; 23. Fixing block; 24. Mounting hole; 25. Pressing bolt; 26. Fixing rod; 27. Support plate; 28. Pressing sleeve; 29. ​​Spring. DETAILED DESCRIPTION

[0027] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings.

[0028] like Figure 1-4 The figure shows the structure of the hot-melt device for plastic product shells of the present invention. The device is usually used to hot-melt burrs or pillars on the surface of notebook product shells, and the pillars on the product surface are melted into a mushroom head state to fix auxiliary materials (pads, iron parts, etc.).

[0029] The bottom plate 1 is fixed to the hot melt machine platform with screws. There are at least four fixing posts 13 vertically fixed to the top of the bottom plate 1, located at the four corners of the bottom plate 1. The top plate 15 is fixed to the top of the fixing posts 13 by welding. The fixing posts 13 are used to support the top plate 15, ensuring that there is enough space between the bottom plate 1 and the top plate 15 to install the hot melt components.

[0030] The guide sleeve 14 is mounted on the fixed column 13, and the lifting plate 17 is fixed to the guide sleeve 14. When the lifting cylinder 16 drives the lifting plate 17 to move up and down, the guide sleeve 14 will rise and fall synchronously along the fixed column 13, and the fixed column 13 will act as a guide column. The installation of the guide sleeve 14 can improve the smoothness of the lifting plate 17 and enhance the effect of hot melting.

[0031] The cylinder body of the lift cylinder 16 is fixed to the top of the top plate 15, and the connecting plate 18 is fixed to the top of the lift plate 17. The guide rod of the lift cylinder 16 passes through the top plate 15 and is connected to the connecting plate 18. The provision of the connecting plate 18 can increase the contact area between the lift cylinder 16 and the lift plate 17, thereby improving the stability of the lift plate 17.

[0032] The jig plate is fixed to the top of the base plate 1 and is used to support the plastic products to be hot-melted. The jig plate includes a first jig plate 2, a second jig plate 3, a contoured groove 4, an avoidance groove 5, and a positioning plate 8. The second jig plate 3 is integrally connected to the top of the first jig plate 2. The length of the first jig plate 2 is greater than that of the second jig plate 3, ensuring that the pressure plate 10 can be smoothly pressed against the upper surface of the first jig plate 2, thereby fixing the jig plate and preventing it from shaking during the hot-melt process.

[0033] The profiling groove 4 is formed on the top of the second jig plate 3 to receive the plastic product shell to be hot-melted. The positioning plate 8 is integrally connected to the top of the second jig plate 3 to position the plastic product shell placed in the profiling groove 4, thereby improving the accuracy of the plastic product shell placement.

[0034] The avoidance groove 5 is provided on one side of the second fixture plate 3, which facilitates the operator to take and place the plastic product shell from the side, thereby improving the efficiency of taking and placing, and preventing the operator from putting his hand into the hot melt equipment to avoid safety accidents.

[0035] Positioning posts 6 are fixed to the top of base plate 1. Positioning holes 7 extend through first and second jig plates 2 and 3, aligning with positioning posts 6. During hot-melt processing, first align positioning holes 7 on the jig plate with positioning posts 6, then insert the jig plate onto the top of base plate 1. This provides greater versatility, allowing you to replace jig plates to match the shapes of plastic product housings.

[0036] To improve versatility, the jig plate and base plate 1 are not fixedly connected, but rather have a removable plug-in connection. The jig plate is prone to vertical loosening during hot melting, so press-fit assemblies are provided on both sides of the jig plate to press the jig plate together. The press-fit assembly includes fixing holes 9, a press plate 10, an adjustment slot 11, and fastening bolts 12.

[0037] Fixing holes 9 are spaced apart on the base plate 1 and located on either side of the jig plate. A pressure plate 10 is L-shaped, and an adjustment slot 11 extends through the pressure plate 10, forming a rounded rectangular shape. Fastening bolts 12 pass through the adjustment slot 11 and screw into the fixing holes 9, pressing the pressure plate 10 against the top of the first jig plate 2, securing the jig plate in place.

[0038] By providing multiple fixing holes 9, the position of the pressure plate 10 can be adjusted when replacing jig plates of different sizes, thereby improving the versatility of the device. By providing an adjustment slot 11 on the pressure plate 10 to adapt to the position of the lower fixing hole 9, the position of the fastening bolt 12 may not correspond to the lower fixing hole 9 during adjustment. In this case, the position of the fastening bolt 12 can be adjusted within the adjustment slot 11.

[0039] Bolts pass through the partition 20, spacer 19, and lift plate 17 in sequence, with nuts attached at the other ends to secure the partition 20 and spacer 19. The partition 20 and spacer 19 are made of ceramic or Bakelite to prevent heat from the heat conducting plate 21 from transferring upward. The spacer 19 between the partition 20 and lift plate 17 prevents direct contact between the two, improving thermal insulation.

[0040] The heat conducting plate 21 is fixed to the bottom of the partition 20, and the hot melt column 22 is fixed to the bottom of the heat conducting plate 21. The product is placed in the profiling groove 4, and the lifting cylinder 16 drives the lifting plate 17 to move downward. The hot melt column 22 descends and rests on the surface of the product, thereby hot-melting the column on the surface of the product into a mushroom head state to fix the auxiliary material.

[0041] Fixing block 23 is fixed to the bottom of heat conducting plate 21. Mounting holes 24 are spaced apart at the bottom of fixing block 23. The inner wall of mounting hole 24 is provided with internal threads, and compression bolts 25 are screwed into mounting hole 24. Lifting cylinder 16 drives lifting plate 17 downward. When compression bolts 25 descend and contact the upper surface of second jig plate 3, heat-seal pins 22 descend and contact the surface of the product. The installation of compression bolts 25 provides a secondary compression of the jig plate, preventing deviations in the heat-seal position due to jig plate position deviations.

[0042] By opening a plurality of mounting holes 24 on the fixing block 23, the position of the pressing bolt 25 can be changed, and then it can be pressed on different positions of the jig plate during pressing, ensuring that the pressing position is more reliable and improving versatility.

[0043] like Figure 5 As shown, a fixing rod 26 is fixed to the bottom of the heat conducting plate 21. A support plate 27 is integrally connected to the bottom of the fixing rod 26, and the diameter of the support plate 27 is larger than that of the fixing rod 26. A pressing sleeve 28 is mounted on the fixing rod 26, and the support plate 27 is used to support the pressing sleeve 28 to prevent it from falling out of the fixing rod 26. A spring 29 is mounted on the fixing rod 26 and abuts between the pressing sleeve 28 and the heat conducting plate 21.

[0044] The lifting cylinder 16 drives the lifting plate 17 to move downward. When the pressing bolt 25 descends and presses against the upper surface of the second fixture plate 3, the pressing sleeve 28 descends and presses against the upper surface of the product. At this time, the spring 29 is in a compressed state. Under the reverse force of the spring 29, a downward force will be applied to the pressing sleeve 28 to ensure that the pressing sleeve 28 can press the product to avoid deviation in the position of the product. At the same time, the elastic compression can also prevent the product from being crushed.

[0045] The pressing sleeve 28 is made of rubber, and the elasticity of rubber is utilized to avoid leaving scratches on the product surface.

[0046] The pressing plate 10 is used to rigidly press the side of the jig plate, the pressing bolt 25 is used to rigidly press the upper surface of the jig plate, the pressing sleeve 28 is used to elastically press the product in the contoured groove 4, and finally the hot melt work is completed by the hot melt column 22.

[0047] The working principle of the utility model of hot-melt equipment for plastic product shell is as follows:

[0048] First, place the plastic product in the profiling groove 4, press the pressing plate 10 on both sides of the jig plate to position the jig plate, and then the lifting cylinder 16 drives the lifting plate 17 to descend. When the pressing bolt 25 descends and hits the upper surface of the second jig plate 3, the pressing sleeve 28 descends and hits the upper surface of the product, and the hot melt work is completed by the hot melt column 22.

[0049] The above embodiments are intended only to illustrate the technical concepts and features of the present invention. Their purpose is to enable those familiar with the art to understand the contents of the present invention and implement them accordingly. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications based on the spirit of the present invention are intended to be included in the scope of protection of the present invention.

Claims

1. A hot melt device for plastic product shells, characterized in that: It includes: Bottom plate (1); A jig plate, the jig plate being fixed to the top of the base plate (1), the top of the jig plate being provided with a contoured groove (4), the product housing being placed in the contoured groove (4); A lifting plate (17), the lifting plate (17) being arranged above the fixture plate in a liftable manner; a heat conducting plate (21), the heat conducting plate (21) being fixed to the bottom of the lifting plate (17); A hot melt column (22) is fixed to the bottom of the heat conducting plate (21) and is used for hot melting the product shell in the contoured groove (4).

2. The hot-melt device for plastic product shells according to claim 1, characterized in that: The jig plate comprises a first jig plate (2) fixed to the bottom of the base plate (1), a second jig plate (3) integrally connected to the top of the first jig plate (2), a positioning plate (8) integrally connected to the top of the second jig plate (3), and an avoidance groove (5) provided on one side of the second jig plate (3); the contour groove (4) is provided on the top of the second jig plate (3).

3. The hot-melt device for plastic product shells according to claim 2, characterized in that: It also includes a fixing block (23) fixed to the bottom of the heat conducting plate (21), a mounting hole (24) provided at the bottom of the fixing block (23), and a pressing bolt (25) fixed in the mounting hole (24); when the hot melt column (22) descends and abuts against the upper surface of the product shell, the pressing bolt (25) abuts against the top of the second fixture plate (3).

4. The hot-melt device for plastic product shells according to claim 1, characterized in that: It also includes a fixing rod (26) fixed to the bottom of the heat conducting plate (21), a supporting plate (27) integrally connected to the bottom of the fixing rod (26), and a pressing sleeve (28) and a spring (29) sleeved on the fixing rod (26), wherein the spring (29) is pressed between the pressing sleeve (28) and the heat conducting plate (21).

5. The hot-melt device for plastic product shells according to claim 2, characterized in that: It also includes fixing holes (9) spaced apart on the top of the base plate (1), a pressing plate (10) pressed onto the top of the first fixture plate (2), an adjustment slot (11) passing through the pressing plate (10), and a fastening bolt (12) passing through the adjustment slot (11) and fixed in the fixing hole (9).

6. The hot-melt device for plastic product shells according to claim 2, characterized in that: It also includes a positioning column (6) fixed on the top of the base plate (1) and a positioning hole (7) that passes through the first fixture plate (2) and the second fixture plate (3) and matches the positioning column (6).

7. The hot-melt device for plastic product shells according to claim 4, characterized in that: The material of the pressing sleeve (28) is rubber.

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