CN110355257A - Special slitting knife for single row of fins - Google Patents

Abstract

The dedicated longitudinal knife of a kind of single row fin of the invention, comprising: longitudinal knife is provided with grooving on the blade of the longitudinal knife.Pass through the improvement to air-conditioning heat exchanger fin machining cutter arrangement, it is divided on the basis of multiple single row fins after cutter is punched, again by fin it is single with it is single between, retain the connector of a very little again, make fin it is single between cut and continuous, to reduce manually to the intervention of blanking, labor intensity is reduced, production efficiency of equipment is improved.

Description

Special slitting knife for single row of fins

technical field

The invention belongs to the technical field of air conditioners, and in particular relates to a special longitudinal cutter for single-row fins.

Background technique

Air conditioner fins are heat sinks used for heat exchange in air conditioners, and most of the air conditioner fins are made of aluminum or copper. The air-conditioning fin mold is a high-precision cold stamping progressive die specialized in the production of air-conditioning fins. At present, single-row fins (aluminum foil material, thickness 0.1 mm) of air-conditioning heat exchangers are processed on the air-conditioning fin stamping production line. Rows of fins are easy to install on the cooling pipe of the air conditioner, but cutting into a single row of fins is prone to bending and deformation, and it is not easy to carry, which increases the labor intensity of workers.

Contents of the invention

Therefore, the technical problem to be solved by the present invention is to overcome the problems in the prior art that the fins cut into a single row are easily deformed and difficult to transport.

For this reason, the technical solution adopted is that a special slitting knife for single-row fins of the present invention comprises:

The slitting knife is provided with a cutting groove on the edge of the slitting knife.

Preferably, the width of the cut groove is 0.2-0.5 mm, and the depth is 2-4 mm.

Preferably, a tool anti-tilt device is also included, and the tool anti-tilt device includes:

A fixed plate, the fixed plate is arranged in a horizontal direction, the bottom end of the fixed plate is fixedly connected to the slitting knife, a column is arranged in the middle of the top of the fixed plate, and the vertical direction of the column is arranged, the bottom of the column is connected to the The middle part of the top of the fixed plate is hinged, and the top of the column is fixedly connected to the connecting plate in the horizontal direction;

Two guide rods are respectively arranged on both sides of the top of the connecting plate, the guide rods are arranged vertically, one end of the guide rod is fixedly connected with the connecting plate, and the other end of the guide rod is connected to the horizontal top plate Bottom fixed connection;

The motor push rod is arranged at the bottom of the top plate, the motor push rod is located between the two guide rods, the push rod of the motor push rod extends vertically downwards, and is equipped with gears;

Two guide blocks are respectively arranged on each of the guide rods, and the guide blocks can reciprocate up and down along the guide rods. One end of the guide blocks close to the gear is provided with a vertical rack, so The rack is meshed with the gear, the end of the guide block away from the rack is fixedly connected to one end of the horizontal horizontal rod, and the other end of the horizontal rod is hinged to the vertical movable rod. The other end of the movable rod is hingedly connected to the top of the fixed plate;

There are two racks, two horizontal rods and two movable rods arranged symmetrically with respect to the column.

Preferably, a flexible sleeve is provided between the edge of the fixing plate and the edge of the top plate.

Preferably, a driving device is also included, and the driving device includes:

The loading plate is arranged under the slitting knife;

A support arm, the support arm is L-shaped, the support arm is composed of a vertical arm and a horizontal arm, one end of the vertical arm of the support arm is fixedly connected to the right side of the top of the loading plate, and the horizontal arm of the support arm is one end extends above the top plate;

A hydraulic cylinder is arranged at one end of the horizontal arm of the support arm, and the piston rod of the hydraulic cylinder extends vertically downward and is fixedly connected with the top of the top plate.

Preferably, four supporting legs are arranged symmetrically at the bottom end of the loading board, and universal wheels are respectively arranged at the bottom ends of the four supporting legs.

Preferably, an angle control device is provided on the top plate, and the angle control device includes:

A groove body is arranged on the top of the top plate, a processor is arranged in the groove body, the processor is electrically connected with the motor push rod, a battery is arranged in the groove body, and the battery is used to provide electric energy;

A control panel is arranged on the outer wall of the groove body, and the control panel is electrically connected with the processor.

Preferably, a voltage stabilizing circuit is also provided in the processor, and the voltage stabilizing circuit includes resistors R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, Capacitors C1, C2, C3, C4, C5 and diodes D1, D2, D3,

One end of the capacitor C1 is connected to the power input end, and the other end of the capacitor C1 is respectively connected to resistors R1, R2 and R4,

The other end of the resistor R1 is respectively connected to the resistor R3 and the resistor R7, and the other end of the resistor R2 is connected to the capacitor C2,

The other end of the resistor R4 is respectively connected to the anode of the diode D1 and the resistor R5, and the cathode of the diode D1 is connected to the capacitor C3;

The other end of the resistor R5 is respectively connected to the capacitor C2 and the resistor R6, and the other end of the resistor R6 is respectively connected to the positive electrode of the capacitor R7 and the diode D2;

The cathode of the diode D2 is respectively connected to the resistors R8, R9 and R10, one end of the resistor R9 is respectively connected to the capacitor C3 and the resistor R10, and the other end of the resistor R9 is connected to the resistor R1, the resistor R12 and the resistor R13 respectively, so The other end of the resistor R10 is respectively connected to the anode of the capacitor C3 and the diode D3; the resistor R7 and the resistor R8 are arranged in parallel;

The cathode of the diode D3 is respectively connected to the resistor R3 and the capacitor C5,

The other end of the capacitor C5 is connected to the resistors R12, R13, and R14 respectively, the other end of the resistor R12 is connected to the resistor R9 and the resistor R11 respectively, the other end of the resistor R11 is connected to the capacitor C4, and the other end of the capacitor C4 One end is respectively connected to a resistor R12 and a resistor R14, and the other end of the resistor R14 is an output end of the power supply.

The technical solution of the present invention has the following advantages: the special slitting knife for single-row fins of the present invention comprises: a slitting knife, and a cutting groove is arranged on the blade of the slitting knife. Through the cutting groove on the blade of the slitting knife, after cutting, there will be tiny connectors between the fins of the double row. Due to the small material connection of the double-row fins, the deformation of the heat sink due to cutting by the slitting knife is reduced, which is not only convenient for the handling of the fins, but also easy to break into single-row fins. Thereby reducing manual intervention on blanking, reducing labor intensity and improving equipment efficiency.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a structural schematic diagram of the tool anti-tilt device in the present invention.

Fig. 3 is a schematic diagram of the installation structure of the gear in the present invention.

Fig. 4 is a structural schematic diagram of the driving device in the present invention.

Fig. 5 is a schematic structural diagram of the angle control device in the present invention.

Fig. 6 is a voltage stabilizing circuit diagram in the present invention.

The marks in the accompanying drawings are as follows: 1-slitting knife, 2-cutting groove, 3-fixed plate, 4-column, 5-connecting plate, 6-guide rod, 7-top plate, 8-motor push rod, 9-gear, 10-guide block, 11-rack, 12-flat rod, 13-moving rod, 15-push rod, 16-loading plate, 17-support arm, 18-hydraulic cylinder, 19-piston rod, 20-support Leg, 21-universal wheel, 22-groove body, 23-processor, 24-control panel, 25-flexible sleeve.

Detailed ways

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

An embodiment of the present invention provides a special slitting knife for single-row fins, as shown in Figure 1, including:

A slitting knife 1 is provided with a cutting groove 2 on the edge of the slitting knife 1 .

The working principle of the above-mentioned technical solution: through the cutting groove 2 on the blade of the slitting knife 1, after cutting, there will be tiny connectors between the fins of the double rows.

The beneficial effects of the above technical solution are: the double-row fins are connected by a small material (about 0.3 mm), which reduces the deformation of the heat sink due to cutting by the slitting knife, which is convenient for the handling of the fins, and is also easy to break into a single row fins. Thereby reducing manual intervention on blanking, reducing labor intensity and improving equipment efficiency.

In one embodiment, the width of the cut groove 2 is 0.2-0.5 mm, and the depth is 2-4 mm.

The beneficial effects of the above technical solution are: optimizing the size of the cutting groove, which is not only easy to carry, but also easy to break manually to become a single row of fins, which is convenient for installation on the heat dissipation pipe.

In one embodiment, as shown in Figures 2-3, a tool anti-tilt device is also included, and the tool anti-tilt device includes:

Fixed plate 3, the fixed plate 3 is arranged horizontally, the bottom end of the fixed plate 3 is fixedly connected to the longitudinal cutter 1, the middle of the top of the fixed plate 3 is provided with a column 4, and the vertical direction of the column 4 is arranged , the bottom end of the column 4 is hingedly connected to the middle of the top of the fixed plate 3, and the top of the column 4 is fixedly connected to the connecting plate 5 in the horizontal direction;

Two guide rods 6 are respectively arranged on both sides of the top of the connecting plate 5, the guide rods 6 are vertically arranged, one end of the guide rod 6 is fixedly connected with the connecting plate 5, and the guide rod 6 is connected to the other side. One end is fixedly connected with the bottom end of the top plate 7 in the horizontal direction;

The motor push rod 8 is arranged on the bottom end of the top plate 7, the motor push rod 8 is located between the two guide rods 6, the push rod 15 of the motor push rod 8 extends vertically downwards, and is installed with gear 9;

Two guide blocks 10 are respectively arranged on each of the guide rods 6, and the guide blocks 10 can reciprocate up and down along the guide rods 6, and one end of the guide block 10 near the gear 9 is provided with a vertical The rack 11 in the direction, the rack 11 is meshed with the gear 9, the end of the guide block 10 away from the rack 11 is fixedly connected to the end of the horizontal rod 12, and the horizontal rod 12 is in addition One end is hingedly connected to one end of the movable rod 13 in the vertical direction, and the other end of the movable rod 13 is hingedly connected to the top end of the fixed plate 3;

There are two racks 11 , horizontal rods 12 and movable rods 13 arranged symmetrically with respect to the column 4 .

The working principle of the above-mentioned technical solution: when the slitting knife is worn for a long time due to long-term use, a certain inclination will be generated on the surface of the knife edge. The gear 9 moves downward, and through the meshing between the gear 9 and the racks 11 on the left and right sides, the rack 11 on the right moves downward, the rack 11 on the left moves upward, and the rack 11 on the right drives the guide block on the right 10 moves downward, the horizontal rod 12 on the right drives the movable rod 13 to move downward, and the rack 11 on the left drives the guide block 10 on the left to move upward, and the horizontal rod 12 on the left drives The movable rod 13 on the left side moves upwards, so that the fixed plate 3 rotates clockwise around the bottom of the column 4, thereby playing the role of adjusting the angle; similarly, starting the motor push rod 8 makes the push rod 15 move upwards, which can make the The fixed plate 3 rotates counterclockwise around the bottom of the column 4, thereby realizing the adjustment of the angle of the slitting knife 1 installed under the fixed plate 3. Guide bar 6, connecting plate 5, column 4 form a fixed structure, only allows fixed plate 3 to rotate around the bottom of column 4, and does not allow fixed plate 3 to produce displacement.

The beneficial effect of the above technical solution is: the adjustment of the angle is realized by the expansion and contraction of the motor push rod 8, the adjustment is very convenient, and because the angle of the cutter is generally fine-tuned, which requires high precision, through the meshing transmission mode of the rack and pinion, The transmission of the adjustment is more stable, and the accuracy of the adjustment is also higher; when the fixed plate 3 rotates, it rotates around the center position without displacement, thus reducing the displacement change caused by the angle adjustment and improving the processing accuracy; in addition After the adjustment is completed, the slitting knife 1 is stably fixed at the adjustment position, which can withstand a huge cutting force and improves the cutting accuracy.

In one embodiment, as shown in FIG. 2 , a flexible sleeve 25 is provided between the edge of the fixing plate 3 and the edge of the top plate 7 .

The beneficial effect of the above technical solution: the flexible sleeve 25 protects the components in the tool anti-tilt device, prevents foreign matter such as dust from entering the interior and accelerates the wear of transmission between parts, and improves the service life of the device.

In one embodiment, as shown in Figure 4, a driving device is also included, and the driving device includes:

The loading plate 16 is arranged below the slitting knife 1;

Support arm 17, described support arm 17 is L-shaped, and described support arm 17 is made up of vertical arm and horizontal arm, and described support arm 17 vertical arm one end is fixedly connected with described loading board 16 top right sides, so One end of the horizontal arm of the support arm 17 extends above the top plate 7;

The hydraulic cylinder 18 is arranged at one end of the horizontal arm of the support arm 17 , and the piston rod 19 of the hydraulic cylinder 18 extends vertically downward and is fixedly connected with the top of the top plate 7 .

The beneficial effects of the above technical solution are: the loading plate 16 is used to place double rows of fins that need to be cut, the support arm 17 is used to support the hydraulic cylinder 18, and the piston rod 19 of the hydraulic cylinder 18 drives the top plate 7 to move downward, thereby Make the slitting knife 1 cut the double-row fins.

In one embodiment, four supporting legs 20 are symmetrically arranged at the bottom of the object loading board 16 , and universal wheels 21 are respectively arranged at the bottom of the four supporting legs 20 .

The beneficial effects of the above technical solution are: the universal wheels 21 are installed on the supporting legs 20 to facilitate the handling and transfer.

In one embodiment, as shown in FIG. 5 , an angle control device is provided on the top plate 7, and the angle control device includes:

The groove body 22 is arranged on the top of the top plate 7, the processor 23 is arranged in the groove body 22, the processor 23 is electrically connected with the motor push rod 8, and the battery is arranged in the groove body 22 , the battery is used to provide electrical energy for each electronic device;

The control panel 24 is arranged on the outer wall of the groove body 22 , and the control panel 24 is electrically connected with the processor 23 .

The beneficial effect of the above-mentioned technical solution is: by setting the tiny angle that needs to be adjusted on the control panel 24, the processor 23 in the groove body 22 will control the distance required for the push rod of the motor push rod 8 to move, thereby realizing the angle The precise control of the adjustment improves the accuracy of the angle adjustment.

In one embodiment, as shown in FIG. 6, a voltage stabilizing circuit is also provided in the processor 23, and the voltage stabilizing circuit includes resistors R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, capacitors C1, C2, C3, C4, C5 and diodes D1, D2, D3,

One end of the capacitor C1 is connected to the power input end, and the other end of the capacitor C1 is respectively connected to resistors R1, R2 and R4,

The other end of the resistor R1 is respectively connected to the resistor R3 and the resistor R7, and the other end of the resistor R2 is connected to the capacitor C2,

The other end of the resistor R4 is respectively connected to the anode of the diode D1 and the resistor R5, and the cathode of the diode D1 is connected to the capacitor C3;

The other end of the resistor R5 is respectively connected to the capacitor C2 and the resistor R6, and the other end of the resistor R6 is respectively connected to the positive electrode of the capacitor R7 and the diode D2;

The cathode of the diode D2 is respectively connected to the resistors R8, R9 and R10, one end of the resistor R9 is respectively connected to the capacitor C3 and the resistor R10, and the other end of the resistor R9 is connected to the resistor R1, the resistor R12 and the resistor R13 respectively, so The other end of the resistor R10 is respectively connected to the anode of the capacitor C3 and the diode D3; the resistor R7 and the resistor R8 are arranged in parallel;

The cathode of the diode D3 is respectively connected to the resistor R3 and the capacitor C5,

The other end of the capacitor C5 is connected to the resistors R12, R13, and R14 respectively, the other end of the resistor R12 is connected to the resistor R9 and the resistor R11 respectively, the other end of the resistor R11 is connected to the capacitor C4, and the other end of the capacitor C4 One end is respectively connected to a resistor R12 and a resistor R14, and the other end of the resistor R14 is an output end of the power supply.

The beneficial effect of the above technical solution is: when the power supply is input to the input terminal of the voltage stabilizing circuit, the current is divided into three paths through the shunting of the capacitor C1 and the resistors R1, R2 and R4; after passing through the resistor R5 and the diode The current limiting of D1 realizes a stable current limiting of the voltage. After the primary stable current passes through the diode D2, it passes through the secondary current limiting, and finally outputs the third stable current limiting current through the resistance circuit, the output terminal of the diode D3 and the resistor R14. , and supply it to the processor for use, so that the processor core will not fail to start the driving device normally due to voltage instability during use.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (8)

1. A special slitting knife for single-row fins, characterized in that it comprises: A slitting knife (1), the edge of the slitting knife (1) is provided with a cutting groove (2). 2 . The slitting knife dedicated to single-row fins according to claim 1 , characterized in that, the width of the cutting groove ( 2 ) is 0.2-0.5 mm, and the depth is 2-4 mm. 3 . 3. A special slitting knife for single-row fins according to claim 1, characterized in that it also includes a tool anti-tilt device, and the tool anti-tilt device includes: A fixed plate (3), the fixed plate (3) is arranged in a horizontal direction, the bottom end of the fixed plate (3) is fixedly connected to the slitting knife (1), and a column is arranged in the middle of the top of the fixed plate (3) (4), the vertical direction of the column (4) is arranged, the bottom of the column (4) is hinged in the middle of the top of the fixed plate (3), and the top of the column (4) is fixedly connected to the connection in the horizontal direction plate(5); Two guide rods (6) are arranged on both sides of the top of the connecting plate (5) respectively, the guide rods (6) are vertically arranged, and one end of the guide rod (6) is connected to the connecting plate (5) Fixedly connected, the other end of the guide rod (6) is fixedly connected to the bottom end of the top plate (7) in the horizontal direction; The motor push rod (8) is arranged on the bottom end of the top plate (7), the motor push rod (8) is located between the two guide rods (6), and the push rod of the motor push rod (8) (15) extends vertically downwards and is equipped with gears (9); Two guide blocks (10), respectively arranged on each of the guide rods (6), the guide blocks (10) can reciprocate up and down along the guide rods (6), and the guide blocks (10) are close to One end of the gear (9) is provided with a rack (11) in a vertical direction, the rack (11) is meshed with the gear (9), and the guide block (10) is away from the rack ( 11) One end is fixedly connected to one end of the horizontal horizontal rod (12), the other end of the horizontal rod (12) is hinged to one end of the vertical movable rod (13), and the other end of the movable rod (13) is It is hingedly connected with the top of the fixed plate (3); Two of the racks (11), the horizontal rods (12) and the movable rods (13) are arranged symmetrically with respect to the column (4). 4. A special slitting knife for single-row fins according to claim 3, characterized in that a flexible sleeve is arranged between the edge of the fixed plate (3) and the edge of the top plate (7) (25). 5. A special slitting knife for single-row fins according to claim 3, further comprising a driving device, said driving device comprising: The loading plate (16) is arranged below the slitting knife (1); Support arm (17), described support arm (17) is L-shaped, and described support arm (17) is made up of vertical arm and horizontal arm, and described support arm (17) vertical arm one end and described loading plate (16) The top right side is fixedly connected, and one end of the horizontal arm of the support arm (17) extends above the top plate (7); The hydraulic cylinder (18) is arranged at one end of the horizontal arm of the support arm (17), and the piston rod (19) of the hydraulic cylinder (18) extends vertically downward and is fixedly connected with the top of the top plate (7). 6. The special slitting knife for single-row fins according to claim 5, characterized in that, four support legs (20) are symmetrically arranged at the bottom end of the carrier plate (16), and the four support legs ( 20) universal wheels (21) are respectively provided at the bottom. 7. A special slitting knife for single-row fins according to claim 3, characterized in that, the top plate (7) is provided with an angle control device, and the angle control device includes: A groove body (22), arranged on the top of the top plate (7), a processor (23) is arranged in the groove body (22), and the processor (23) is connected with the motor push rod (8) Electrically connected, a battery is arranged in the groove body (22), and the battery is used to provide electric energy for each electronic device; A control panel (24) is arranged on the outer wall of the groove body (22), and the control panel (24) is electrically connected with the processor (23). 8. A special slitting knife for single-row fins according to claim 7, characterized in that, a voltage stabilizing circuit is also provided in the processor (23), and the voltage stabilizing circuit includes resistors R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, capacitors C1, C2, C3, C4, C5 and diodes D1, D2, D3, One end of the capacitor C1 is connected to the power input end, and the other end of the capacitor C1 is respectively connected to resistors R1, R2 and R4, The other end of the resistor R1 is respectively connected to the resistor R3 and the resistor R7, and the other end of the resistor R2 is connected to the capacitor C2, The other end of the resistor R4 is respectively connected to the anode of the diode D1 and the resistor R5, and the cathode of the diode D1 is connected to the capacitor C3; The other end of the resistor R5 is respectively connected to the capacitor C2 and the resistor R6, and the other end of the resistor R6 is respectively connected to the positive electrode of the capacitor R7 and the diode D2; The cathode of the diode D2 is respectively connected to the resistors R8, R9 and R10, one end of the resistor R9 is respectively connected to the capacitor C3 and the resistor R10, and the other end of the resistor R9 is respectively connected to the resistor R1, the resistor R12 and the resistor R13, so The other end of the resistor R10 is respectively connected to the anode of the capacitor C3 and the diode D3; the resistor R7 and the resistor R8 are arranged in parallel; The cathode of the diode D3 is respectively connected to the resistor R3 and the capacitor C5, The other end of the capacitor C5 is connected to the resistors R12, R13, and R14 respectively, the other end of the resistor R12 is connected to the resistor R9 and the resistor R11 respectively, the other end of the resistor R11 is connected to the capacitor C4, and the other end of the capacitor C4 One end is respectively connected to a resistor R12 and a resistor R14, and the other end of the resistor R14 is an output end of the power supply.