CN105522069A - A fully automatic processing equipment for folding heat sink - Google Patents

Abstract

The invention belongs to the field of heat sink processing equipment, in particular to full-automatic processing equipment for a folding heat sink, which comprises a rack, wherein the rack is provided with a horizontal rack table-board, the front side of the rack is provided with a rotary feeding wheel for placing an aluminum material belt, a vertical supporting plate is fixedly arranged on the rack table-board, a motor is fixedly arranged below the rack table-board, the motor is connected with a first horizontal connecting shaft arranged along the front and back directions of the rack table-board through the transmission of a speed reducer, the first horizontal connecting shaft simultaneously drives a second vertical connecting shaft and a rotary table through two bevel gears arranged on the first horizontal connecting shaft, the second vertical connecting shaft drives a cam rotatably arranged on the vertical supporting plate through a multi-gear structure, the rotary table drives a front sliding seat and a back sliding seat to simultaneously move together and separate through a plurality of connecting rods, the invention overcomes the material deformation easily generated in the traditional heat sink stamping process, and can fully-automatically process and, the manual operation that has significantly reduced has promoted machining efficiency, has improved the machining precision of folding fin.

Description

A fully automatic processing equipment for folding heat sink

technical field

The invention belongs to the field of heat sink processing equipment, in particular to a fully automatic processing equipment for folding heat sinks.

Background technique

Chinese patent 201090001363.2 discloses a solar cell and a solar system. The solar system contains a large number of folded radiator units. The folded radiator unit is formed by continuous bending of aluminum strips. The folded radiator unit requires extremely high The accuracy of the heat sink forming equipment currently on the market is not high. In the process of forming heat sinks, a large number of manual auxiliary operations are included, resulting in high processing costs and low processing efficiency for folding heat sinks. At the same time, due to The degree of automation of the equipment is not high, and multiple actions cannot be accurately synchronized during the stamping and forming process, which may easily cause other deformations of the heat sink, and the precision of the processed folded heat sink is not high.

Contents of the invention

In order to overcome the deficiencies of the prior art, the present invention proposes a fully automatic processing equipment for folding heat sinks. The fully automatic processing equipment greatly reduces manual operations and improves processing efficiency. Since multiple actions are performed simultaneously, the folding process is improved. Machining accuracy of heat sink.

The present invention solves the above-mentioned technical problems through the following technical solutions.

A fully automatic processing equipment for folding heat sinks, used for stamping long strips of aluminum strips into folded heat sink structures, including a frame, the frame has a horizontal frame table, and the front side of the frame is provided with a The rotating feed wheel for placing the aluminum material belt, a vertical support plate is fixed on the rack table, a motor is fixed below the rack table, and the motor is connected to a first horizontal coupling shaft arranged along the front and rear direction of the rack through a reducer. The first horizontal connecting shaft simultaneously drives the second vertical connecting shaft and the turntable through two bevel gears arranged on it, and the second vertical connecting shaft transmits a cam that is rotatably mounted to the vertical support plate through a multi-set gear structure, The upper surface of the turntable is provided with a slideway, the top of the turntable is provided with a first connecting rod, and the first connecting rod is provided with a slider protruding downward, and the slider is located in the slideway. One end of the first connecting rod is hinged to the rack table, the other end of the first connecting rod is hinged to the second intermediate connecting rod, the second intermediate connecting rod is hinged to the third connecting rod, and the center of the third connecting rod and a swing arm Fixed, the center of the swing arm is rotatably set at the bottom of the rack table, and the two ends of the swing arm are connected to a pair of sliders through a pair of fourth connecting rods, and the pair of sliders are slidingly arranged at the bottom of the rack table through guide posts , the pair of sliders and the pair of fourth connecting rods are symmetrical to the center of the swing arm, and the pair of sliders are connected to the front slider and the rear slider on the same slide rail on the rack table through a connecting piece. Seat, the front and rear slides are respectively equipped with a front clamping assembly and a rear clamping assembly, and the rear slide is provided with a rectangular channel that allows the folded heat sink to pass through, and there is a slide setting above the front and rear slides On the punching plate of the vertical support plate, when the cam rotates, it periodically presses against the top of the punching plate to make the punching plate perform a periodic downward punching action, and the front side of the punching plate is connected with a lever The left end is connected, the middle part of the lever is hinged to the vertical support plate, the right end of the lever is connected with the piston rod of a cylinder arranged on the vertical support plate, and a pushing mechanism is also provided on the front side of the front sliding seat on the rack table. The material pushing mechanism includes a material pushing frame arranged on the frame table, a set of guide wheels close to the upper and lower sides of the aluminum material belt are arranged on the material pushing frame, a material pushing cylinder is fixed on the material pushing frame, and the piston rod of the material pushing cylinder There is a clamping component on the top, and the pushing cylinder drives the clamping component to move back and forth to push and reset.

More specifically, the clamping assembly includes a clamping frame that is fixedly connected to the piston rod of the pusher cylinder. The clamping frame includes an upper rod and a lower rod that are parallel to each other and are fixed together along the left and right directions. The lower pressure cylinder is fixed, and the lower pressure cylinder drives the movable pressure rod arranged between the upper and lower rods to move downward and cooperate with the lower rod to clamp the upper and lower sides of the aluminum strip. The movable pressure rod is connected to the clamping frame through a tension spring backswing.

More specifically, the front clamping assembly includes a front lower pressing block fixed on the front sliding seat and a front upper pressing block slidably arranged on the front sliding seat, and the front upper pressing block is driven by a cylinder to move downward together with the front lower pressing block Cooperate with clamping the upper and lower sides of the aluminum strip.

More specifically, the rear clamping assembly includes a rear lower pressing block and a rear upper pressing block that are slidably arranged on the rear sliding seat. The rear lower pressing block is driven by a cylinder and can move to the left just below the rear upper pressing block. Driven by the cylinder, it can move downward and cooperate with the rear lower pressure block to clamp the upper and lower sides of the aluminum strip.

More specifically, the multi-set gear structure includes a third vertical shaft meshed with the top gear of the second vertical shaft, the third vertical shaft drives the fourth horizontal shaft through a bevel gear, and the fourth horizontal shaft Through the vertical support plate, the fourth horizontal shaft drives the fifth horizontal shaft through the bevel gear, the fifth horizontal shaft drives the sixth horizontal shaft through the bevel gear, and one end of the sixth horizontal shaft is provided with the cam.

More specifically, a limit mechanism is also provided on the pushing frame, and the limit mechanism includes a limit cylinder fixedly connected to the push frame, and the limit cylinder drives a limit block to move downward to clamp the material frame. Carry out blocking limit when moving to the pushing frame.

More specifically, the front side of the front sliding seat and the rear side of the rear sliding seat are respectively provided with guide rails for guiding the movement of the aluminum strip and the heat sink.

More specifically, it also includes a controller and a plurality of cylinder control signal induction wheels coaxially arranged on the third vertical shaft. The plurality of induction wheels correspond to respective photoelectric sensors, and the photoelectric sensors are electrically connected to the controller to control The controller controls the cylinder through multiple solenoid valves.

More specifically, the rotating feeding wheel is driven by a feeding motor to carry out rotating feeding, and an aluminum strip is placed on the rotating feeding wheel.

More specifically, it also includes an air compressor and an air storage tank, and the air storage tank is connected to each cylinder through an air pipe and an electromagnetic valve.

The beneficial effect of the present invention is that a motor is set on the frame of the present invention, driven by a motor, through two different transmission structures (i.e. gear transmission and connecting rod transmission), the forming action of the stamped part on the aluminum strip The shrinkage and closing action of the front and rear side walls of the stamped part can be accurately synchronized to overcome the material deformation that is easy to occur in the traditional heat sink stamping process. This equipment can automatically process and manufacture folded heat sinks, which greatly reduces manual operations. The processing efficiency is improved, and the processing accuracy of the folded heat sink is improved.

Description of drawings

FIG. 1 is a schematic structural view of a heat sink processed and formed in the present invention.

Fig. 2 is one of the structural schematic diagrams of the present invention.

Fig. 3 is a schematic diagram of the connection structure of the motor, the coupling shaft and the turntable of the present invention.

Fig. 4 is the second structural diagram of the present invention.

FIG. 5 is an enlarged structural schematic diagram of part A in FIG. 3 .

Fig. 6 is a schematic diagram of the connection of the multi-set gear structure of the present invention.

Fig. 7 is a schematic connection diagram of the connecting rod structure on the turntable of the present invention.

Fig. 8 is a structural schematic diagram of the bottom of the rack table of the present invention.

Fig. 9 is one of the structural schematic diagrams above the rack table top of the present invention.

Fig. 10 is the second schematic diagram of the structure above the rack table top of the present invention.

Fig. 11 is a schematic structural view of the front sliding seat of the present invention.

Fig. 12 is a schematic structural view of the rear sliding seat of the present invention.

Fig. 13 is a schematic structural view of the pushing mechanism of the present invention.

Fig. 14 is a schematic structural view of the clamping assembly of the pushing mechanism of the present invention.

Fig. 15 is a schematic structural view of the rotary feeding wheel of the present invention.

detailed description

The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.

Referring to Fig. 1 to Fig. 15, the heat sink formed by the present invention is shown in Fig. 1. The heat sink is formed by the continuous long strip-shaped aluminum strip 60 through the automatic processing of this equipment. As shown in Fig. 15, the aluminum material The raw material of the belt 60 is rolled, and it is placed on the rotary feeding wheel 6. One end of the aluminum strip 60 is drawn out from the rotating feeding wheel 6 and sent to the fully automatic processing equipment on the rear side. The implementation of the automatic processing equipment For example shown in Fig. 2 to Fig. 4, comprise frame 1, frame 1 has the frame table top 10 of a level, on the frame table top 10, a vertical support plate 11 is fixed, and vertical support plate 11 side is also provided with A reinforcing rib plate perpendicular to the vertical support plate 11, a motor 21 is fixed below the frame table top 10, and the motor 21 is connected to a first horizontal connecting shaft 23 arranged along the front and rear direction of the frame 1 through a reducer 22. The transmission The connection can be a chain, or a belt can be selected. The first horizontal connecting shaft 23 simultaneously drives the second vertical connecting shaft 25 and the turntable 24 through two bevel gears arranged on it, and the second vertical connecting shaft 25 passes through its top. The provided gear drives the third vertical connecting shaft 26, the third vertical connecting shaft 26 transmits the fourth horizontal connecting shaft 27 through the bevel gear, the fourth horizontal connecting shaft 27 passes through the vertical support plate 11, the fourth horizontal connecting shaft 27 The fifth horizontal connecting shaft 28 is driven by a bevel gear, and the fifth horizontal connecting shaft 28 transmits the sixth horizontal connecting shaft 29 through a bevel gear. One end of the sixth horizontal connecting shaft 29 is provided with a cam 290. As shown in FIG. The shafts are all rotatably mounted on the frame 1 and the vertical support plate 11 through bearings.

As shown in Figure 6, the upper surface of the turntable 24 is provided with a slideway 240, the top of the turntable 24 is provided with a first connecting rod 30, and the bottom of the first connecting rod 30 is provided with a downwardly protruding slider. The block is located in the slideway 240, one end of the first connecting rod 30 is hinged to the rack table 10, the other end of the first connecting rod 30 is hinged to the second intermediate connecting rod 31, and the second intermediate connecting rod 31 Hinged to the third connecting rod 32, the third connecting rod 32 is fixed to the center of a swing arm 33, and the two ends of the swing arm 33 are connected to a pair of sliders (35, 35, 35'), the pair of sliders (35, 35') are symmetrically slidably arranged on the bottom of the rack table 10, and the pair of sliders (35, 35') are connected to the rack table 10 through a connecting piece. The front sliding seat 36' and the rear sliding seat 36 on the same slide rail above are respectively provided with a front clamping assembly and a rear clamping assembly on the front sliding seat 36' and the rear sliding seat 36.

The uniform rotational motion of turntable 24 is finally transformed into the periodical close and separate motion of front and rear sliding seats (36 ', 36) through the joint action of slideway 240, slide block and above-mentioned each connecting rod.

The front clamping assembly includes a front lower pressing block 42D fixed on the front sliding seat 36' and a front upper pressing block 42U slidingly arranged on the front sliding seat 36'. The front upper pressing block 42U is driven by the cylinder 42U' and can press the front Lower the upper side of the pressing block 42D so that the front clamping assembly can clamp the upper and lower sides of the aluminum strip.

The rear clamping assembly includes a rear lower pressing block 41D and a rear upper pressing block 41U which are slidably arranged on the rear sliding seat 36. The rear lower pressing block 41U is driven by the cylinder 41D' and can move to the left just below the rear upper pressing block 41U. The upper pressing block 41U is driven by the cylinder 41U' and can move downward to press against the upper side of the rear lower pressing block 41D, so that the rear clamping assembly can clamp the upper and lower sides of the aluminum strip.

The rear slide 36 is provided with a rectangular channel 360 that allows the folding fins to pass through, and the top between the front and rear slides (36', 36) is provided with a punched plate 37 that is slidably arranged on the vertical support plate 11. The punched plate The top of 37 is provided with a pressing wheel 370 in contact with the cam 290. The cam 290 rotates at a constant speed to drive the punching plate 37 to move downward periodically, thereby performing intermittent stamping and bending operations on the aluminum strip. The front of the punching plate 37 The side is connected to the left end of a lever 38, the middle part of the lever is hinged to the vertical support plate 11, and the right end of the lever 28 is connected with a piston rod of a cylinder 39 arranged on the vertical support plate 11, when the punching plate 37 moves to the lowest position , the punching plate is driven upwards by the cylinder 39 through the lever 38 to reset.

The frame table 10 is also provided with a pushing mechanism 5 in front of the front slide 36 ′, and the pushing mechanism 5 includes a pushing frame 51 arranged on the frame table 10, as shown in FIG. 13 , the pushing frame 51 is provided with There is a set of guide wheels, which are located on the upper and lower sides of the aluminum strip, and a pusher cylinder is fixed on the pusher frame 51, the piston rod of the pusher cylinder is provided with a clamping assembly, and the pusher cylinder drives the clamping assembly Backward movement for pushing, forward movement for reset.

The clamping assembly includes a clamping frame 53 fixedly connected to the piston rod of the pusher cylinder. As shown in Figure 14, the clamping frame 53 includes an upper rod 53U and a lower rod 53D arranged parallel to each other and fixedly connected together along the left and right directions. The clamping frame 53 is fixed with a lower pressure cylinder 54, and the lower pressure cylinder 54 drives the movable pressure rod 55 arranged between the upper and lower rods to move downward to press the lower rod 53D of the clamping frame, so that the movable pressure rod 55 and the lower rod 53D move downward. Bar 53D clamps the upper and lower sides of the aluminum material strip and pushes the material, and the movable pressure bar 55 is connected to the upper bar 53U of the clamping frame 53 by an extension spring so as to reset.

Described pushing frame 51 is also provided with a position-limiting mechanism, and described position-limiting mechanism comprises the position-limiting cylinder 52 that is fixedly connected to pushing material frame 51, and position-limiting cylinder 52 drives a position-limiting piece 56 and can move down to clamp material. When the frame 53 moves towards the direction of the pushing frame 51, the block is limited.

The front side of the front sliding seat 36' and the rear side of the rear sliding seat 36 are provided with guide rails for guiding the movement of the aluminum strips on the front side and the folded cooling fins on the rear side.

It also includes a controller and a plurality of cylinder control signal induction wheels coaxially arranged on the third vertical shaft 26. The plurality of induction wheels correspond to respective photoelectric sensors, and the plurality of photoelectric sensors are electrically connected to the controller. After receiving the induction signal, the above-mentioned cylinders are controlled by multiple solenoid valves. Part of the side of the induction wheel is a smooth surface, and the rest of the sides of the induction wheel are concave from the smooth surface to form a rough surface. The smooth and rough surfaces of the induction wheel The photoelectric sensor can generate two different signals to control the movement of the cylinder. Since multiple induction wheels are coaxially arranged up and down, and multiple photoelectric sensors are arranged beside it, the wiring method of the sensor is greatly simplified.

The rotary feeding wheel 6 is driven by a feeding motor to carry out rotary feeding, and an aluminum strip 60 raw material roll is placed on the rotary feeding wheel.

It also includes an air compressor and an air storage tank, and the air storage tank is connected to each cylinder through an air pipe and an electromagnetic valve.

work process:

In the initial state, the front and rear clamping components are all in the open state, and one end of the aluminum strip 60 of the rotating feed wheel 6 is pulled out and led to a group of guide wheels of the push frame and the guide device on the front side of the front slide 36' in sequence. , the front clamping assembly of the front slide 36' and the rear clamping assembly of the rear slide 36, and then start the equipment to start working. Driven by the cylinder, the front clamping assembly and the rear clamping assembly clamp the aluminum material strip at the same time On the front and rear sides, under the action of the motor, the front and rear sliding seats (36', 36) and the punching plate 37 move at the same time. When the punching plate punches the aluminum strip downward, the front and rear sliding seats move closer to the middle, and the two actions are synchronized. Then, the aluminum material strip 60 is punched into the required shape, and then the rear lower pressing block 41D of the rear clamping assembly is driven by the cylinder to move to the right and disengages from the rear upper pressing block 41U, so that the rectangular channel 360 of the rear slide seat 36 is in the shape of In the open state, at the same time, the front upper pressing block 42U of the front pressing assembly resets upwards, thereby loosening the clamping of the aluminum strip, and then the clamping assembly of the pushing mechanism 5 performs clamping and feeding actions, and the punched and formed The cooling fins are sent out to the rear side from the rectangular channel 36 of the rear sliding seat 36, and carry out the next cycle operation.

Although the specific embodiments of the present invention have been described above, those skilled in the art should understand that these are only examples, and the protection scope of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the present invention, but these changes and modifications all fall within the protection scope of the present invention.

Claims (10)

1. A fully automatic processing equipment for folding heat sinks, used for stamping long strip-shaped aluminum strips into folded heat sink structures, characterized in that it includes a frame, the frame has a horizontal frame table top, and the frame The front side of the machine is equipped with a rotating feed wheel for placing aluminum strips, a vertical support plate is fixed on the table top of the rack, and a motor is fixed below the table top of the rack. The first horizontal connecting shaft, the first horizontal connecting shaft simultaneously drives the second vertical connecting shaft and the turntable through the two bevel gears arranged on it, and the second vertical connecting shaft is driven by a multi-set gear structure and is installed to the vertical The cam of the straight support plate, the upper surface of the turntable is provided with a slideway, the top of the turntable is provided with a first connecting rod, and the first connecting rod is provided with a sliding block protruding downward, and the sliding block is located at In the slideway, one end of the first connecting rod is hinged to the rack table, the other end of the first connecting rod is hinged to the second intermediate connecting rod, the second intermediate connecting rod is hinged to the third connecting rod, and the third connecting rod Fixed with the center of a swing arm, the center of the swing arm is rotatably set at the bottom of the rack table, the two ends of the swing arm are connected to a pair of sliders through a pair of fourth connecting rods, and the pair of sliders slide through the guide post Set on the bottom of the rack table, the pair of sliders and the pair of fourth connecting rods are symmetrical to the center of the swing arm, and the pair of sliders are connected to the same slide rail on the rack table through a connecting piece. The front slide seat and the rear slide seat are respectively equipped with a front clamping assembly and a rear clamp assembly, and the rear slide seat is provided with a rectangular channel that allows the folding fins to pass through. Between the front and rear slide seats There is a punching plate slidably arranged on the vertical support plate above the top of the upper part. When the cam rotates, it periodically presses the top of the punching plate so that the punching plate performs a periodic downward punching action. The front side is connected with the left end of a lever, the middle part of the lever is hinged to the vertical support plate, the right end of the lever is connected with the piston rod of a cylinder arranged on the vertical support plate, and the front side of the front slide seat is also provided on the rack table. There is a material pushing mechanism, and the material pushing mechanism includes a material pushing frame arranged on the frame table, a set of guide wheels close to the upper and lower sides of the aluminum material belt are arranged on the material pushing frame, a material pushing cylinder is fixed on the material pushing frame, The piston rod of the pushing cylinder is provided with a clamping assembly, and the pushing cylinder drives the clamping assembly to move back and forth to push and reset. 2. The fully automatic processing equipment for folding heat sinks according to claim 1, wherein the clamping assembly includes a clamping frame that is fixedly connected to the piston rod of the pushing cylinder, and the clamping frame includes a The upper rod and the lower rod are fixedly connected together parallel to each other, and the lower pressure cylinder is fixed on the clamping frame, and the lower pressure cylinder drives the movable pressure rod arranged between the upper and lower rods to move downward and cooperate with the lower rod to clamp On the upper and lower sides of the aluminum material strip, the movable pressing rod is connected to the upper rod of the clamping rack through a tension spring. 3. The fully automatic processing equipment for folding heat sinks according to claim 2, wherein the front clamping assembly includes a front lower pressing block fixed on the front sliding seat and a front upper pressing block slidably arranged on the front sliding seat, The front upper pressing block is driven by the cylinder to move downward and cooperates with the front lower pressing block to clamp the upper and lower sides of the aluminum strip. 4. The fully automatic processing equipment for folding heat sinks according to claim 3, wherein the rear clamping assembly includes a rear lower pressing block and a rear upper pressing block that are slidably arranged on the rear sliding seat, and the rear lower pressing block is controlled by the cylinder The drive can move to the left directly under the rear upper pressing block, and the rear upper pressing block is driven by the cylinder and can move downwards to cooperate with the described rear lower pressing block to clamp the upper and lower sides of the aluminum strip. 5. The fully automatic processing equipment for folding heat sinks according to claim 4, wherein the multi-group gear structure includes a third vertical shaft meshed with the top gear of the second vertical shaft, and the third vertical shaft The shaft drives the fourth horizontal shaft through the bevel gear, and the fourth horizontal shaft passes through the vertical support plate, the fourth horizontal shaft drives the fifth horizontal shaft through the bevel gear, and the fifth horizontal shaft drives the fifth horizontal shaft through the bevel gear. Six horizontal shafts, one end of the sixth horizontal shaft is provided with the cam. 6. The fully automatic processing equipment for folding heat sinks according to claim 5, characterized in that, the pushing frame is also provided with a limiting mechanism, and the limiting mechanism includes a limiting mechanism fixedly connected to the pushing frame Cylinder, the limit cylinder drives a limit block to move downward to block and limit the clamping frame when it moves to the pushing frame. 7. The fully automatic processing equipment for folding heat sinks according to claim 6, characterized in that, the front side of the front slide and the rear side of the rear slide are respectively provided with a movement control device for the aluminum material strip and the heat sink. Guided guide rail. 8. The fully automatic processing equipment for folding fins according to claim 7, further comprising a controller and a plurality of cylinder control signal induction wheels coaxially arranged on the third vertical shaft, a plurality of The induction wheels correspond to respective photoelectric sensors, and the photoelectric sensors are electrically connected to the controller, and the controller controls the cylinder through a plurality of solenoid valves. 9 . The fully automatic processing equipment for folding heat sinks according to claim 8 , wherein the rotating feeding wheel is driven by a feeding motor to carry out rotating feeding, and an aluminum strip is placed on the rotating feeding wheel. 10. The fully automatic processing equipment for folding fins according to claim 9, further comprising an air compressor and an air storage tank, the air storage tank is connected to each cylinder through an air pipe and a solenoid valve.