Lead frame core material cutting and winding machine

Abstract

The utility model belongs to the technical field of lead frame core materials, and particularly relates to a lead frame core material cutting and winding machine which comprises a bottom plate and a lead frame core material raw material, the upper surface of the bottom plate is fixedly connected with a winding mechanism, and the lead frame core material raw material is rotatably connected in the winding mechanism. The inner wall of the winding mechanism is provided with an adjusting mechanism facilitating installation of raw materials of the lead frame core material, the inner wall of the bottom plate is further provided with a cutting machine, a feeding mechanism, a film covering mechanism and a gluing mechanism, and hot melt adhesive is attached to the lower surface of the cut lead frame core material through the gluing mechanism. Then, a plastic film is attached to the lower surface of the hot melt adhesive through a film covering mechanism, the cut lead frame core material is bonded through the hot melt adhesive, and the plastic film is pasted below the hot melt adhesive to isolate bonding of the hot melt adhesive to the surface of the lead frame core material; the material is attached to glue, so that oxygen can be effectively isolated, and taking for subsequent processing is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to lead frame core material technical field, concretely is a lead frame core material cutting and winding machine. BACKGROUND

[0002] The commonly used materials of the lead frame core material at present include copper alloy (such as copper-iron alloy, copper-nickel-silicon alloy, copper-chromium alloy, copper-nickel-tin alloy), each has different excellent characteristics, and is suitable for different scenes respectively.

[0003] The packaging of the lead frame core material has strict requirements in preventing oxidation and moisture. Copper alloy is easy to oxidize in air, so vacuum packaging or packaging filled with inert gases such as nitrogen is often used, for example, the copper alloy lead frame core material is placed in an aluminum foil bag, and the air is extracted to achieve vacuum and then sealed, which can effectively isolate oxygen and greatly delay the oxidation process. This way has high sealing requirements, thereby increasing the processing difficulty. The existing cutting equipment often needs to be assisted by manual cutting and packaging, which reduces the production efficiency. Therefore, we propose a lead frame core material cutting and winding machine to solve the above problems. UTILITARIAN CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a lead frame core material cutting and winding machine, which solves the problems in the background.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme:

[0006] A lead frame core material cutting and winding machine, comprising a bottom plate, lead frame core material raw material, the upper surface of the bottom plate is fixedly connected with a winding mechanism, the lead frame core material raw material is rotationally connected in the inside of the winding mechanism, the inner wall of the winding mechanism is provided with an adjusting mechanism for conveniently installing the lead frame core material raw material, the inner wall of the bottom plate is further provided with a cutting machine, a feeding mechanism, a film coating mechanism and a gluing mechanism, the gluing mechanism comprises a glue storage shell, a glue roller, the glue storage shell is fixedly connected to the inner wall of the bottom plate, hot melt adhesive is stored in the inner wall of the glue storage shell, the glue roller is rotationally connected to the inner wall of the glue roller, the film coating mechanism comprises a third bearing seat, an upper pressing handle, an upper pressing roller and a plastic film storage shaft, the third bearing seat is fixedly connected to the inner wall of the bottom plate, the upper pressing handle is rotationally connected to the outer wall of the third bearing seat, the plastic film storage shaft is rotationally connected to the inner wall of the third bearing seat, a torsional spring is arranged between the upper pressing handle and the third bearing seat, the upper pressing roller is rotationally connected to the inner wall of the upper pressing handle, and the outer wall of the upper pressing handle is provided with a plastic film.

[0007] Preferably, the adjusting mechanism comprises a guide rail, a second bearing seat, a screw rod, a wedge-shaped rod baffle, a wedge-shaped movable rod, a spring, a fixed washer, the guide rail is fixedly connected to the upper surface of the bottom plate, the second bearing seat is slidably connected to the outer wall of the guide rail, the screw rod is threadedly connected to the inner wall of the second bearing seat, the wedge-shaped movable rod is fixedly connected to the outer wall of the screw rod, the wedge-shaped movable rod is slidably connected to the inner wall of the second bearing seat, the spring is arranged between the wedge-shaped movable rod and the second bearing seat, the spring is fixedly connected to the lower end of the wedge-shaped movable rod, and the wedge-shaped movable rod is movably connected to the outer surface of the wedge-shaped rod baffle.

[0008] Preferably, the lead frame core material raw material is cut by a cutting machine to generate a cut lead frame core material, and the inner wall of one of the winding mechanisms is provided with a lead frame core material winding body composed of the cut lead frame core material, hot melt adhesive and a plastic film.

[0009] Preferably, the winding mechanism comprises a first bearing seat, a guide rod seat, a guide rod and a first motor, the first bearing seat is fixedly connected to the upper surface of the bottom plate, the first motor is fixedly connected to the outer surface of the first bearing seat, the guide rod seat is fixedly connected to the upper surface of the bottom plate, the guide rod is slidably connected to the inner wall of the guide rod seat, and the lead frame core material raw material is rotatably connected between the second bearing seat and the first bearing seat.

[0010] Preferably, the feeding mechanism comprises a second motor, a transmission belt wheel, a gear, a dustproof housing, a transmission belt and a feeding roller, the feeding roller is rotatably connected to the inner wall of the dustproof housing, the transmission belt wheel is fixedly connected to one end of the feeding roller, the gears are coaxially arranged on the outer wall, and the two gears are meshed with each other.

[0011] Preferably, the second motor is fixedly connected to the inner wall of the bottom plate, and the transmission belt is drivingly connected between the second motor and the outer wall of the transmission belt wheel.

[0012] Beneficial effects

[0013] The lead frame core material cutting and winding machine has the following beneficial effects compared with the prior art.

[0014] 1. The lead frame core material cutting and winding machine, through the setting adjusting mechanism, the lead frame core material raw material can be conveniently driven to rotate with the winding mechanism, thereby facilitating rapid feeding, through the setting cutting machine, feeding mechanism, film covering mechanism, gluing mechanism, the lead frame core material raw material can be cut by the cutting machine, the lead frame core material raw material is divided, then the lead frame core material cut to completion is kept horizontal movement of the lead frame core material cut to completion by the feeding mechanism, then the hot melt adhesive is attached to the lower surface of the lead frame core material cut to completion by the gluing mechanism, then the plastic film is attached to the lower surface of the hot melt adhesive by the film covering mechanism, the lead frame core material cut to completion is adhered by the hot melt adhesive and isolated by the plastic film pasted below the hot melt adhesive to adhere to the surface of the lead frame core material, the lead frame core material cut to completion can be well wound together, and since the lead frame core material cut to completion is not easy to remain, the material and the glue can be effectively isolated from oxygen and facilitate subsequent processing and use.

[0015] 2. The lead frame core material cutting and winding machine, the adjusting mechanism is set to facilitate the rotation of the screw to control the depression of the fixed washer, thereby facilitating the rapid braking of the second bearing seat during use, and the lead frame core material raw material is installed by reversing the screw and manually sliding the second bearing seat away from the first bearing seat on the guide rail to load, thereby improving the loading efficiency and having the advantages of simple operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the utility model;

[0017] Figure 2 It is another perspective view of the utility model;

[0018] Figure 3 It is a schematic view of the internal structure of the utility model;

[0019] Figure 4 It is an enlarged view of A of the utility model;

[0020] Figure 5 It is a sectional view of the lead frame core material winding body in the utility model;

[0021] Figure 6 It is a schematic view of part of the adjusting mechanism on one side of the utility model.

[0022] In the figure: 1, bottom plate; 2, winding mechanism; 21, first bearing seat; 22, guide rod seat; 23, guide rod; 24, first motor; 3, adjusting mechanism; 31, guide rail; 32, second bearing seat; 33, screw rod; 34, wedge-shaped rod baffle; 35, wedge-shaped movable rod; 36, spring; 37, fixed washer; 4, lead frame core material raw material; 5, lead frame core material winding body; 51, cut finished lead frame core material; 52, hot melt adhesive; 53, plastic film; 6, cutting machine; 7, feeding mechanism; 71, second motor; 72, transmission pulley; 73, gear; 74, dustproof shell; 75, transmission belt; 76, feeding roller; 8, film covering mechanism; 81, third bearing seat; 82, upper pressing handle; 83, upper pressing roller; 84, plastic film storage shaft; 9, gluing mechanism; 91, glue storage shell; 92, gluing roller. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-6The utility model provides a technical scheme: a lead frame core material cutting and winding machine, including bottom plate 1, lead frame core material raw material 4, the upper surface fixed connection of bottom plate 1 has winding mechanism 2, lead frame core material raw material 4 rotationally connects in the inside of winding mechanism 2, the inner wall of winding mechanism 2 is provided with the adjusting mechanism 3 of the convenient installation lead frame core material raw material 4, the inner wall of bottom plate 1 still is provided with cutting machine 6, feeding mechanism 7, laminating mechanism 8, gluing mechanism 9, gluing mechanism 9 includes glue storage shell 91, glue roller 92, glue storage shell 91 fixedly connected in the inner wall of bottom plate 1, the inner wall of glue storage shell 91 stores hot melt adhesive 52, glue roller 92 rotationally connects in the inner wall of glue roller 92, laminating mechanism 8 includes third bearing seat 81, upper pressure handle 82, upper pressure roller 83, plastic film storage shaft 84, third bearing seat 81 fixedly connected in the inner wall of bottom plate 1, upper pressure handle 82 rotationally connects in the outer wall of third bearing seat 81, plastic film storage shaft 84 rotationally connects in the inner wall of third bearing seat 81, upper pressure handle 82 and third bearing seat 81 between being provided with torsion spring, upper pressure roller 83 rotationally connects in the inner wall of upper pressure handle 82, the outer wall of upper pressure handle 82 is provided with plastic film 53, adjusting mechanism 3 includes guide rail 31, second bearing seat 32, screw 33, wedge-shaped rod baffle 34, wedge-shaped movable rod 35, spring 36, fixed washer 37, guide rail 31 fixedly connected in the upper surface of bottom plate 1, second bearing seat 32 slidingly connects in the outer wall of guide rail 31, screw 33 is screwed in the inner wall of second bearing seat 32, wedge-shaped movable rod 35 fixedly connected in the outer wall of screw 33, wedge-shaped movable rod 35 slidingly connects in the inner wall of second bearing seat 32, spring 36 is arranged between wedge-shaped movable rod 35 and second bearing seat 32, spring 36 fixedly connected in the lower end of wedge-shaped movable rod 35, wedge-shaped movable rod 35 movably connects in the outer surface of wedge-shaped rod baffle 34, lead frame core material raw material 4 generates the cutting finished lead frame core material 51 after cutting by cutting machine 6, the inner wall of one winding mechanism 2 is provided with lead frame core material winding body 5, lead frame core material winding body 5 is composed of cutting finished lead frame core material 51, hot melt adhesive 52, plastic film 53, winding mechanism 2 includes first bearing seat 21, guide rod seat 22, guide rod 23, first motor 24, first bearing seat 21 fixedly connected in the upper surface of bottom plate 1, first motor 24 fixedly connected in the outer surface of first bearing seat 21, guide rod seat 22 fixedly connected in the upper surface of bottom plate 1, guide rod 23 slidingly connects in the inner wall of guide rod seat 22, lead frame core material raw material 4 rotationally connects between second bearing seat 32 and first bearing seat 21, feeding mechanism 7 includes second motor 71, transmission belt pulley 72, gear 73, dustproof housing 74, transmission belt 75, feeding roller 76, feeding roller 76 rotationally connects in the inner wall of dustproof housing 74, transmission belt pulley 72 fixedly connected in one end of feeding roller 76, gear 73 coaxially sets up in the outer wall of 76, two gear 73 between each other engages, second motor 71 fixedly connected in the inner wall of bottom plate 1,The transmission belt 75 is connected to the outer wall of the second motor 71 and the transmission pulley 72, the lead frame core material 4 is wrapped with a sleeve, the inner wall of the sleeve is detachably connected with a metal rod, the end of the metal rod is detachably connected with the bearing inner wall of the second bearing seat 32, the other end of the metal rod penetrates through the first bearing seat 21 and is fixedly connected with the output end of the first motor 24, the fixed washer 37 is made of rubber material and can be tightly attached to the upper surface of the bottom plate 1, the inner wall of the glue storage shell 91 is provided with a heating device, and the heating device can realize accurate temperature control through efficient heating wire material, temperature sensor and controller.

[0025] Working principle: when in use, the lead frame core material (4) is fixed inside the winding mechanism (2), then one end of the lead frame core material (4) is threaded through the feeding mechanism (7), the cutting machine (6), the gluing mechanism (9), the film covering mechanism (8) and fixed to the metal rod of the other winding mechanism (2), and then the material is discharged through one of the first motors (24) and the material is collected through the other first motor (24).

[0026] The first motor (24) drives the metal rod to rotate, and then drives the sleeve to rotate, and then the lead frame core material (4) is kept tight through the feeding mechanism (7), the second motor (71) drives the transmission belt (75) to drive the plurality of transmission pulleys (72) and the transmission belt (75) to drive, and then the lead frame core material (4) is clamped by the feeding roller (76) to move horizontally, when the lead frame core material (4) moves to the cutting machine (6), the cutting machine (6) is cut by pressing down, then the cut lead frame core material (51) is continuously moved by the feeding mechanism (7), then the gluing roller (92) is driven to rotate by contacting with the gluing roller (92), the glue on the surface of the gluing roller (92) moves to the lower surface of the cut lead frame core material (51), then the plastic film (53) is attached to the lower surface of the hot melt adhesive (52) through the action of the upper pressing handle (82) and the torsional spring, then the cut lead frame core material (51), the hot melt adhesive (52) and the plastic film (53) are wound into the plastic film (53) by rotating the other sleeve driven by the other first motor (24).

[0027] The adjusting mechanism (3) drives the wedge-shaped rod baffle (34) to rotate and move horizontally by rotating the screw rod (33), and then drives the wedge-shaped movable rod (35) to move downward in the inner wall of the second bearing seat (32), at this time the spring (36) is compressed, the fixed washer (37) is attached to the upper surface of the bottom plate (1), and then it is convenient to fix and disassemble.

[0028] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A lead frame core material cutting and winding machine comprising a base plate (1) and a lead frame core material raw material (4), characterized in that: The upper surface of the bottom plate (1) is fixedly connected with a winding mechanism (2), the lead frame core material raw material (4) is rotatably connected in the winding mechanism (2), the inner wall of the winding mechanism (2) is provided with an adjusting mechanism (3) for facilitating the installation of the lead frame core material raw material (4), the inner wall of the bottom plate (1) is also provided with a cutting machine (6), a feeding mechanism (7), a film coating mechanism (8), a gluing mechanism (9), the gluing mechanism (9) comprises a glue storage shell (91), a glue roller (92), the glue storage shell (91) is fixedly connected to the inner wall of the bottom plate (1), the inner wall of the glue storage shell (91) stores hot melt adhesive (52), the glue roller (92) is rotatably connected to the inner wall of the glue roller (92), the film coating mechanism (8) comprises a third bearing seat (81), an upper pressing handle (82), an upper pressing roller (83), a plastic film storage shaft (84), the third bearing seat (81) is fixedly connected to the inner wall of the bottom plate (1), the upper pressing handle (82) is rotatably connected to the outer wall of the third bearing seat (81), the plastic film storage shaft (84) is rotatably connected to the inner wall of the third bearing seat (81), a torsional spring is arranged between the upper pressing handle (82) and the third bearing seat (81), the upper pressing roller (83) is rotatably connected to the inner wall of the upper pressing handle (82), and the outer wall of the upper pressing handle (82) is provided with a plastic film (53).

2. A lead frame core material cutting and winding machine according to claim 1, characterized in that: The adjusting mechanism (3) comprises a guide rail (31), a second bearing seat (32), a screw rod (33), a wedge-shaped rod baffle (34), a wedge-shaped movable rod (35), a spring (36) and a fixed washer (37), the guide rail (31) is fixedly connected to the upper surface of the bottom plate (1), the second bearing seat (32) is slidably connected to the outer wall of the guide rail (31), the screw rod (33) is threadedly connected to the inner wall of the second bearing seat (32), the wedge-shaped movable rod (35) is fixedly connected to the outer wall of the screw rod (33), the wedge-shaped movable rod (35) is slidably connected to the inner wall of the second bearing seat (32), the spring (36) is arranged between the wedge-shaped movable rod (35) and the second bearing seat (32), the spring (36) is fixedly connected to the lower end of the wedge-shaped movable rod (35), and the wedge-shaped movable rod (35) is movably connected to the outer surface of the wedge-shaped rod baffle (34).

3. The leadframe core material cutting and winding machine according to claim 1, characterized in that: The lead frame core material raw material (4) is cut by the cutting machine (6) to generate a cut lead frame core material (51), the inner wall of one of the winding mechanisms (2) is provided with a lead frame core material winding body (5), and the lead frame core material winding body (5) is composed of the cut lead frame core material (51), hot melt adhesive (52) and a plastic film (53).

4. The leadframe core material cutting and winding machine according to claim 2, characterized in that: The winding mechanism (2) comprises a first bearing seat (21), a guide rod seat (22), a guide rod (23), a first motor (24), the first bearing seat (21) is fixedly connected to the upper surface of the bottom plate (1), the first motor (24) is fixedly connected to the outer surface of the first bearing seat (21), the guide rod seat (22) is fixedly connected to the upper surface of the bottom plate (1), the guide rod (23) is slidingly connected to the inner wall of the guide rod seat (22), and the lead frame core material raw material (4) is rotatably connected between the second bearing seat (32) and the first bearing seat (21).

5. The leadframe core material cutting and winding machine according to claim 1, characterized in that: The feeding mechanism (7) comprises a second motor (71), a transmission belt pulley (72), a gear (73), a dustproof housing (74), a transmission belt (75) and a feeding roller (76), the feeding roller (76) is rotatably connected to the inner wall of the dustproof housing (74), the transmission belt pulley (72) is fixedly connected to one end of the feeding roller (76), and the gears (73) are coaxially arranged on the outer wall of the feeding roller (76) and meshed with each other.

6. A lead frame core material cutting and winding machine according to claim 5, characterized in that: The second motor (71) is fixedly connected to the inner wall of the bottom plate (1), and the transmission belt (75) is drivingly connected between the second motor (71) and the outer wall of the transmission belt pulley (72).

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