Anti-plating layer layering device for lead frame processing

Abstract

The utility model relates to the field of plating layer layering prevention devices, in particular to a plating layer layering prevention device for lead frame processing. Comprising a bottom plate, a top plate is arranged over the bottom plate, two sets of second air cylinders are symmetrically installed at the bottom of the top plate, the output end of each set of second air cylinder is in transmission connection with a set of cleaning assembly, each cleaning assembly comprises a connecting plate, and two sets of second pressing plates are symmetrically installed at the edge of the bottom of the connecting plate; a second protection soft cushion is mounted at the bottom of each second pressing plate, a second electric sliding table is embedded in the center of the bottom of the connecting plate, a mounting plate is slidably connected to the output end of the second electric sliding table, and two connecting blocks are symmetrically and slidably attached to the edge of the bottom of the mounting plate; a set of fixing rods are rotationally connected between the two sets of connecting blocks, and the fixing rods are fixedly sleeved with cleaning sleeves. According to the embodiment, the material viscosity is improved, better plating is facilitated, and plating layering is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of anti-plating layer delamination devices, in particular to an anti-plating layer delamination device for lead frame processing. Background Art

[0002] Lead frame is the basic material for semiconductor packaging and is mainly used as a chip carrier for integrated circuits.

[0003] After searching, in the prior art, Chinese Patent Publication No.: CN220161490U, Authorization Publication Date: 2023-12-12, discloses a pressure welding machine for lead frame processing, including a machine table and a pressure welding assembly, the pressure welding assembly is used for pressure welding lead frames, the pressure welding assembly includes a pressure welding head, a cylinder is fixed on the top of the pressure welding head, a support frame is sleeved on the outer wall of the cylinder, the bottom end of the support frame is fixedly connected to the rear side of the top of the machine table, and the pressure welding head is driven up and down by the cylinder to adjust the pressure of pressure welding. A turntable is provided on the top of the machine table, and four grooves are opened on the top of the turntable, and a pad is provided inside each groove. The above embodiment realizes automatic unloading of lead frames, and processing efficiency is improved.

[0004] However, the device still has the following defects: the above embodiment does not have a cleaning effect. If the surface of the material is not cleaned before plating, the viscosity will be reduced, which will cause the plating to be easily delaminated. Summary of the invention

[0005] In view of the above problems, the utility model provides an anti-plating layering device for lead frame processing, comprising a bottom plate, a top plate is arranged directly above the bottom plate, two groups of second cylinders are symmetrically installed at the bottom of the top plate, and a group of cleaning components are drivingly connected to the output end of each group of the second cylinders;

[0006] The cleaning component includes a connecting plate, two groups of second pressure plates are symmetrically installed at the bottom edge of the connecting plate, a group of second protective pads are installed at the bottom of each group of second pressure plates, a second electric slide is embedded in the bottom center of the connecting plate, a mounting plate is slidably connected to the output end of the second electric slide, two groups of connecting blocks are symmetrically slidably fitted at the bottom edge of the mounting plate, a group of fixing rods are rotatably connected between the two groups of connecting blocks, and a cleaning sleeve is fixedly sleeved on the fixing rods.

[0007] Furthermore, a control panel is installed on one side wall of the base plate, two groups of supporting legs are symmetrically installed at the bottom edge of the base plate, and the second electric slide is electrically connected to the control panel.

[0008] Furthermore, the mounting plate is located directly below the connecting plate, and two groups of slots are symmetrically opened at the edge of one side wall of the mounting plate. A group of blocks is installed at the top center of each group of connecting blocks, and each group of blocks slides in one of the groups of slots.

[0009] Furthermore, two groups of vertical plates are symmetrically installed at the top edge of the bottom plate, the top of the vertical plates are installed at the bottom edge of the top plate, a conveyor belt is installed on the top of the bottom plate, the conveyor belt is located between the two groups of vertical plates, and the conveyor belt is electrically connected to the control panel.

[0010] Furthermore, a first cylinder is installed at the bottom of the top plate, and a fixed plate is transmission-connected on the output end of the first cylinder. Two groups of first pressure plates are symmetrically installed at the bottom edge of the fixed plate, and a group of first protective cushions is installed at the bottom of each group of first pressure plates.

[0011] Furthermore, the second cylinder is electrically connected to the control panel, and the two groups of the second cylinders are located at one end of the first cylinder away from one group of vertical plates.

[0012] Furthermore, a slide groove is provided at the bottom of the fixed plate, a screw rod is arranged in the slide groove, both ends of the screw rod are rotatably connected to the inner walls on both sides of the fixed plate, a motor is provided at one end of the fixed plate, and the output end of the motor passes through the fixed plate and is transmission-connected to the screw rod.

[0013] Furthermore, the lead screw is threadedly connected to a slider, the slider slides in a slide groove, a first electric slide is installed at the bottom of the slider, and an electric push rod is slidably connected to the output end of the first electric slide.

[0014] Furthermore, the first cylinder, the motor, the first electric slide, the electric push rod and the coating mechanism are all electrically connected to the control panel.

[0015] The beneficial effects of the utility model are:

[0016] 1. One group of second cylinders drives the cleaning component to descend, the connecting plate drives the second pressure plate to descend, and at the same time drives the second protective pad to descend to fix the material, the outer wall of the cleaning sleeve fits on the surface of the material, the second electric slide drives the mounting plate to move, and at the same time drives the connecting block to move, the movement of the connecting block drives the fixing rod to roll, and at the same time drives the cleaning sleeve to roll on the surface of the material, cleaning the surface of the material, improving the viscosity of the material, facilitating better coating, and avoiding coating stratification.

[0017] 2. Move the two sets of connection blocks at the same time to drive the two sets of card blocks to be pulled out of the two sets of card slots. The two sets of connection blocks are away from the fixed rod so that the two ends of the fixed rod are separated from the connection blocks. Place a new fixed rod and a cleaning sleeve between the two sets of connection blocks so that the two ends of the fixed rod are rotatably connected to the two sets of connection blocks. Replace the new cleaning sleeve, which is convenient for disassembly and replacement, extending the service life of the equipment and ensuring the cleaning quality.

[0018] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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 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.

[0020] Figure 1 A schematic structural diagram of an anti-plating layer layering device according to an embodiment of the utility model is shown;

[0021] Figure 2 A front view schematic diagram of an anti-plating layering device according to an embodiment of the utility model is shown;

[0022] Figure 3 An enlarged view of part A according to an embodiment of the utility model is shown;

[0023] Figure 4 An enlarged view of part B according to an embodiment of the utility model is shown;

[0024] Figure 5 An enlarged view of portion C according to an embodiment of the present utility model is shown.

[0025] In the figure: 1. bottom plate; 2. supporting legs; 3. vertical plate; 4. top plate; 5. conveyor belt; 6. first cylinder; 7. fixed plate; 8. first pressure plate; 9. first protective cushion; 10. slide groove; 11. screw rod; 12. motor; 13. slider; 14. first electric slide; 15. electric push rod; 16. coating mechanism; 17. second cylinder; 18. cleaning component; 181. connecting plate; 182. second pressure plate; 183. second protective cushion; 184. second electric slide; 185. mounting plate; 186. slot; 187. connecting block; 188. block; 189. fixing rod; 1810. cleaning sleeve; 19. control panel. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0027] The present invention provides an anti-plating layering device for lead frame processing, including a base plate 1, exemplarily, as Figure 1 , Figure 2 and Figure 3 As shown, a control panel 19 is installed on one side wall of the bottom plate 1, two groups of supporting legs 2 are symmetrically installed at the bottom edge of the bottom plate 1, two groups of vertical plates 3 are symmetrically installed at the top edge of the bottom plate 1, a top plate 4 is arranged directly above the bottom plate 1, the top of the vertical plate 3 is installed at the bottom edge of the top plate 4, a conveyor belt 5 is installed on the top of the bottom plate 1, the conveyor belt 5 is electrically connected to the control panel 19, the conveyor belt 5 is located between the two groups of vertical plates 3, a first cylinder 6 is installed at the bottom of the top plate 4, a fixed plate 7 is transmission-connected on the output end of the first cylinder 6, two groups of first pressing plates 8 are symmetrically installed at the bottom edge of the fixed plate 7, a group of first protective cushions 9 are installed at the bottom of each group of the first pressing plates 8, and the fixed plate 7 is provided with a plurality of protective cushions 9. A slide groove 10 is provided at the bottom of the fixed plate 7, and a screw rod 11 is arranged in the slide groove 10. Both ends of the screw rod 11 are rotatably connected to the inner walls on both sides of the fixed plate 7. A motor 12 is provided at one end of the fixed plate 7. The output end of the motor 12 passes through the fixed plate 7 and is transmission-connected to the screw rod 11. A slider 13 is threadedly connected to the screw rod 11. The slider 13 slides in the slide groove 10. A first electric slide 14 is installed at the bottom of the slider 13. An electric push rod 15 is slidably connected to the output end of the first electric slide 14. A coating mechanism 16 is installed on the output end of the electric push rod 15. The first cylinder 6, the motor 12, the first electric slide 14, the electric push rod 15 and the coating mechanism 16 are all electrically connected to the control panel 19.

[0028] For example, Figure 2 As shown, two groups of second cylinders 17 are symmetrically installed at the bottom of the top plate 4, and the second cylinders 17 are electrically connected to the control panel 19. The two groups of second cylinders 17 are located at one end of the first cylinder 6 away from one group of vertical plates 3, and a group of cleaning components 18 are transmission-connected to the output end of each group of second cylinders 17.

[0029] For example, Figure 4 and Figure 5 As shown, the cleaning assembly 18 includes a connecting plate 181, two groups of second pressing plates 182 are symmetrically installed at the bottom edge of the connecting plate 181, and a group of second protective cushions 183 are installed at the bottom of each group of second pressing plates 182. A second electric slide 184 is embedded in the bottom center of the connecting plate 181. The second electric slide 184 is electrically connected to the control panel 19. A mounting plate 185 is slidably connected to the output end of the second electric slide 184. The mounting plate 185 is located at the connecting plate 181. Directly below the connecting plate 181, two groups of slots 186 are symmetrically opened at the edge of one side wall of the mounting plate 185, and two groups of connecting blocks 187 are symmetrically slidably fitted at the bottom edge of the mounting plate 185. A group of blocks 188 are installed at the top center of each group of connecting blocks 187, and each group of blocks 188 slides in one of the groups of slots 186. A group of fixing rods 189 are rotatably connected between the two groups of connecting blocks 187, and a cleaning sleeve 1810 is fixedly sleeved on the fixing rods 189.

[0030] Working principle: by placing the material on the conveyor belt 5, one group of second cylinders 17 drives the cleaning component 18 to descend, the connecting plate 181 drives the second pressure plate 182 to descend and drives the second protective cushion 183 to descend to fix the material, the outer wall of the cleaning sleeve 1810 is attached to the surface of the material, the second electric slide 184 drives the mounting plate 185 to move and drives the connecting block 187 to move, the connecting block 187 moves and drives the fixing rod 189 to roll and drives the cleaning sleeve 1810 to roll on the surface of the material to clean the surface of the material, after the cleaning component 18 cleans the surface of the material, the second cylinder 17 drives the cleaning component 18 to recover, the conveyor belt 5 drives the material to move to another group of second cylinders 17 Directly below the material, the second cylinder 17 drives the cleaning component 18 to descend to perform secondary cleaning on the material surface. After cleaning, the conveyor belt 5 drives the material to move to directly below the first cylinder 6. The first cylinder 6 drives the fixing plate 7 to descend and drives the first pressing plate 8 to descend. The first pressing plate 8 drives the first protective cushion 9 to fix the material. After fixation, the electric push rod 15 drives the coating mechanism 16 to rise and fall to coat the material. The motor 12 drives the slider 13 to move and drives the first electric slide 14 and the electric push rod 15 to move. The first electric slide 14 drives the electric push rod 15 to move and drives the coating mechanism 16 to move. The slider 13 and the first electric slide 14 drive the coating mechanism 16 to move and adjust the coating position to coat the material.

[0031] At the same time, move the two groups of connecting blocks 187 to drive the two groups of card blocks 188 to be pulled out of the two groups of card slots 186. The two groups of connecting blocks 187 are away from the fixing rod 189 so that the two ends of the fixing rod 189 are separated from the connecting blocks 187. Place a new fixing rod 189 and a cleaning sleeve 1810 between the two groups of connecting blocks 187 so that the two ends of the fixing rod 189 are rotatably connected to the two groups of connecting blocks 187. Replace the new cleaning sleeve 1810 to ensure the cleaning quality.

[0032] One group of second cylinders 17 drives the cleaning assembly 18 to descend, the connecting plate 181 drives the second pressure plate 182 to descend, and at the same time drives the second protective pad 183 to descend to fix the material, the outer wall of the cleaning sleeve 1810 fits on the surface of the material, the second electric slide 184 drives the mounting plate 185 to move, and at the same time drives the connecting block 187 to move, the movement of the connecting block 187 drives the fixing rod 189 to roll, and at the same time drives the cleaning sleeve 1810 to roll on the surface of the material, thereby cleaning the surface of the material, improving the viscosity of the material, facilitating better coating, and avoiding coating stratification.

[0033] At the same time, the two groups of connecting blocks 187 are moved to drive the two groups of card blocks 188 to be pulled out of the two groups of card slots 186. The two groups of connecting blocks 187 are away from the fixing rod 189 so that the two ends of the fixing rod 189 are separated from the connecting blocks 187. A new fixing rod 189 and a cleaning sleeve 1810 are placed between the two groups of connecting blocks 187 so that the two ends of the fixing rod 189 are rotatably connected to the two groups of connecting blocks 187. A new cleaning sleeve 1810 is replaced, which is convenient for disassembly and replacement, thereby extending the service life of the equipment and ensuring the cleaning quality.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An anti-plating layering device for lead frame processing, comprising a base plate (1), characterized in that: A top plate (4) is arranged directly above the bottom plate (1), and two groups of second cylinders (17) are symmetrically mounted on the bottom of the top plate (4), and a group of cleaning components (18) are drivingly connected to the output end of each group of the second cylinders (17); The cleaning assembly (18) comprises a connecting plate (181), two groups of second pressure plates (182) are symmetrically mounted at the bottom edge of the connecting plate (181), a group of second protective cushions (183) are mounted at the bottom of each group of the second pressure plates (182), a second electric slide (184) is embedded at the bottom center of the connecting plate (181), a mounting plate (185) is slidably connected to the output end of the second electric slide (184), two groups of connecting blocks (187) are symmetrically slidably fitted at the bottom edge of the mounting plate (185), a group of fixing rods (189) are rotatably connected between the two groups of the connecting blocks (187), and a cleaning sleeve (1810) is fixedly sleeved on the fixing rod (189).

2. The anti-plating layer delamination device for lead frame processing according to claim 1, characterized in that: A control panel (19) is installed on one side wall of the base plate (1), two sets of supporting legs (2) are symmetrically installed at the bottom edge of the base plate (1), and the second electric slide (184) is electrically connected to the control panel (19).

3. The anti-plating layer delamination device for lead frame processing according to claim 1, characterized in that: The mounting plate (185) is located directly below the connecting plate (181); two groups of card slots (186) are symmetrically provided at the edge of a side wall of the mounting plate (185); a group of card blocks (188) are installed at the top center of each group of connecting blocks (187); and each group of card blocks (188) slides in one of the groups of card slots (186).

4. The anti-plating layer delamination device for lead frame processing according to claim 2, characterized in that: Two groups of vertical plates (3) are symmetrically mounted at the top edge of the bottom plate (1), the tops of the vertical plates (3) are mounted at the bottom edge of the top plate (4), a conveyor belt (5) is mounted at the top of the bottom plate (1), the conveyor belt (5) is located between the two groups of vertical plates (3), and the conveyor belt (5) is electrically connected to a control panel (19).

5. The anti-plating layer delamination device for lead frame processing according to claim 4, characterized in that: A first cylinder (6) is installed at the bottom of the top plate (4); a fixed plate (7) is drivingly connected to the output end of the first cylinder (6); two groups of first pressing plates (8) are symmetrically installed at the bottom edge of the fixed plate (7); and a group of first protective cushions (9) is installed at the bottom of each group of first pressing plates (8).

6. The anti-plating layer delamination device for lead frame processing according to claim 5, characterized in that: The second cylinder (17) is electrically connected to the control panel (19), and the two groups of the second cylinders (17) are located at one end of the first cylinder (6) away from one group of vertical plates (3).

7. The anti-plating layer delamination device for lead frame processing according to claim 6, characterized in that: A slide groove (10) is provided at the bottom of the fixed plate (7), a screw rod (11) is arranged in the slide groove (10), two ends of the screw rod (11) are rotatably connected to the inner walls on both sides of the fixed plate (7), a motor (12) is provided at one end of the fixed plate (7), and an output end of the motor (12) passes through the fixed plate (7) and is transmission-connected to the screw rod (11).

8. The anti-plating layer delamination device for lead frame processing according to claim 7, characterized in that: The lead screw (11) is threadedly connected to a slider (13), the slider (13) slides in the slide groove (10), a first electric slide (14) is installed at the bottom of the slider (13), and an electric push rod (15) is slidably connected to the output end of the first electric slide (14).

9. The anti-plating layer delamination device for lead frame processing according to claim 8, characterized in that: The first cylinder (6), the motor (12), the first electric slide (14), the electric push rod (15) and the coating mechanism (16) are all electrically connected to the control panel (19).

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