Grinding device for aluminum material cold extrusion forming machining

Abstract

The utility model discloses a grinding device for aluminum material cold extrusion forming processing, which comprises an aluminum material magnetic grinding device body, the aluminum material magnetic grinding device body comprises a placing cylinder with an opening at the top, a plurality of steel needles are filled in the placing cylinder, the bottom of the placing cylinder is fixedly connected with a U-shaped support plate, and the U-shaped support plate is fixedly connected with a grinding head. A driving motor is fixedly installed at the bottom of the U-shaped supporting plate, and an output shaft of the driving motor extends into the U-shaped supporting plate and is fixedly connected with a rotating disc. By arranging a series of structures, aluminum filter cavities formed through cold extrusion can be ground, the aluminum filter cavities can be conveniently and rapidly separated, discharged and collected without contact after being ground, manual moving-out is not needed, the risk that the hands of workers are accidentally scratched by steel needles is avoided, the use safety is improved, and the production efficiency is improved. And a plurality of steel needles can be conveniently and rapidly discharged in a non-contact mode and collected in a centralized mode during follow-up steel needle replacement, manual taking-out and transferring of the steel needles into a material receiving box are not needed, time and labor are saved, and application convenience and safety are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding equipment, in particular to a grinding device for cold extrusion forming of aluminum materials. Background Art

[0002] Traditional metal cavity filter manufacturing methods generally adopt pure machining methods. Pure machining methods use mechanical processing tools to perform mechanical processing on a whole piece of metal, such as milling and cutting, and finally form the cavity according to the design drawings. However, this pure machining method has low processing efficiency. In response to this, the existing technology has an aluminum extrusion molding process, which has a very high efficiency in producing parts, especially large-scale parts. The production efficiency of cold extrusion can be several times, dozens of times, or even hundreds of times higher than that of cutting. For example, CN117206836A discloses a filter cavity aluminum extrusion molding manufacturing process, which is completed through the following steps: stamping, vibration grinding, surface lubrication, extrusion molding, punching, magnetic grinding, etc.

[0003] Among them, the magnetic grinding process after extrusion molding is an extremely important process to ensure the brightness of the surface of the aluminum filter cavity. It uses the rotation of the magnet of the magnetic grinding machine and the magnetic attraction to drive the steel needle placed in the cylinder to rotate at high speed and scatter to continuously impact and rub the aluminum material to achieve the grinding effect. However, the existing aluminum grinding device has the following shortcomings when used: 1. After grinding, the aluminum filter cavity needs to be manually removed separately, which is inconvenient to quickly remove the aluminum filter cavity without contact. There is a risk of workers' hands being accidentally scratched by the steel needle, and the safety of use is not ideal; 2. When the steel needle needs to be replaced later, the removal and collection of the steel needle are often also manually removed and transferred to the collection box, which is time-consuming and labor-intensive, and has poor convenience and safety. In view of this, the present application proposes a grinding device for cold extrusion molding of aluminum to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a grinding device for cold extrusion forming of aluminum materials to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a grinding device for cold extrusion forming of aluminum, comprising an aluminum magnetic grinding device body, the aluminum magnetic grinding device body comprising a placement cylinder with an opening at the top, a plurality of steel needles filled in the placement cylinder, a U-shaped support plate fixedly connected to the bottom of the placement cylinder, a drive motor fixedly installed at the bottom of the U-shaped support plate, an output shaft of the drive motor extending into the U-shaped support plate and fixedly connected to a turntable, an electromagnet is embedded and fixed on all four sides of the top of the turntable, the electromagnet is located below the placement cylinder and cooperates with the plurality of steel needles, after the cold extrusion forming After the aluminum filter cavity and multiple steel needles are poured into the placement tube, the drive motor is used to drive the turntable to rotate, and the turntable drives four electromagnets to rotate. When the electromagnets are energized, the magnetism is generated to generate a concentrated magnetic attraction force on the steel needles in the placement tube, and the multiple steel needles are driven by the magnetic attraction force to rotate randomly at high speed in the placement tube during high-speed rotation, so that the multiple steel needles and the aluminum filter cavity continuously collide and rub, and the aluminum filter cavity is ground. Among them, the use of magnetic attraction grinding of steel needles is a mature application technology of existing magnetic grinding machines. For details, please refer to the principle and application of existing magnetic grinding machines, and no further explanation will be given.

[0006] The bottom of the placing cylinder is provided with a bottom plate, and both sides of the top of the bottom plate are fixedly connected to a U-shaped support. The U-shaped support on the left is rotatably installed with the left bottom of the placing cylinder, and the right side of the U-shaped support on the right is fixedly installed with an output shaft and a brake motor fixedly connected to the right bottom of the placing cylinder. A gathering vibration guide assembly is installed on the placing cylinder, and a horizontal drive assembly is installed on the bottom plate. Two material receiving boxes are movably placed on the top of the horizontal drive assembly. The two material receiving boxes are located below the placing cylinder and cooperate with the placing cylinder. The gathering vibration guide assembly is used to automatically and stably discharge the ground aluminum filter cavity when the placing cylinder is flipped to face downward. It utilizes that multiple steel needles are magnetically attracted and tightly adhere to the inner wall of the placing cylinder, and the aluminum material does not have magnetic attraction and will fall and separate when it faces downward. The horizontal drive assembly is used to adjust the horizontal drive displacement of the two material receiving boxes. The two material receiving boxes are used to collect the aluminum filter cavity and steel needles respectively. The collection of the steel needles is to release the magnetic attraction on the steel needles after the electromagnet is turned off and loses its magnetism, so that it is automatically discharged by gravity when it falls downward.

[0007] Preferably, the concentrated vibration guide assembly includes a circular sleeve that is movably mounted on the outside of the placement cylinder, the top of the circular sleeve is set as a cover-shaped structure, the middle of the top of the circular sleeve is set as an opening, and vibration motors are fixedly connected to both sides of the top of the circular sleeve. Two circular grooves are provided on both sides of the top of the circular sleeve, and a T-shaped guide rod is provided for the sliding sleeve in the circular groove. The bottom end of the T-shaped guide rod extends to the bottom of the circular sleeve and is fixedly connected to a connecting seat, which is fixedly connected to the outside of the placement cylinder, and a spring is fixedly connected between the top inner wall of the T-shaped guide rod and the bottom inner wall of the corresponding circular groove, and the spring movably sleeve is arranged on the corresponding T-shaped guide rod.

[0008] Preferably, the transverse drive assembly includes an electric push rod fixedly mounted on the left side of the top of the base plate, the protruding end of the electric push rod is fixedly connected to an L-shaped support plate, two L-shaped guide rods are fixedly connected to the top inner wall of the L-shaped support plate, the base plate is slidably mounted on the two L-shaped guide rods, and the two material receiving boxes are movably placed on the top of the L-shaped support plate.

[0009] Preferably, a circular through-hole is provided on the right top of the U-shaped support on the left side, a first bearing is provided in a fixed sleeve inside the circular through-hole, a rotating shaft is provided in a fixed sleeve inside the inner ring of the first bearing, and the right end of the rotating shaft is fixedly connected to the left bottom of the placement cylinder.

[0010] Preferably, a battery and a wireless remote control switch are fixedly installed at the bottom of the turntable, the four electromagnets are electrically connected to the battery and the wireless remote control switch, the wireless remote control switch is electrically connected to the battery, the four electromagnets are connected in series, the battery, the four electromagnets and the wireless remote control switch are connected in sequence to form a loop, and the wireless remote control switch is matched with an external remote control.

[0011] Preferably, a vertical guide hole is provided on the inner wall of the bottom of the circular groove, which is slidably fitted on the outer side of the corresponding T-shaped guide rod.

[0012] Preferably, the L-shaped support plate is located inside the two U-shaped supports and does not contact the inner side of the U-shaped supports. A plurality of balls are movably nested on the left side of the bottom of the L-shaped support plate, and the bottom of the balls is flush with the bottom of the bottom plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. This grinding device for cold extrusion processing of aluminum materials realizes grinding of the aluminum filter cavity after cold extrusion through the cooperation of the placement cylinder, U-shaped support plate, drive motor, electromagnet, turntable and steel needle;

[0015] 2. This grinding device for cold extrusion processing of aluminum materials, through the cooperation of the set vibration guide assembly, placement cylinder, U-shaped support, brake motor and material receiving box, can quickly separate and discharge the aluminum filter cavity without contact after grinding, without manual removal, avoiding the risk of workers' hands being accidentally scratched by steel needles, and improving safety in use;

[0016] 3. This grinding device for cold extrusion processing of aluminum materials, through the cooperation of the set transverse drive component and the material receiving box, can quickly and contactlessly discharge multiple steel needles and collect them in a centralized manner when the steel needles are replaced later. There is no need for manual removal and transfer to the material receiving box, which saves time and effort and improves convenience and safety.

[0017] The utility model is equipped with a series of structures, which can grind the aluminum filter cavity after cold extrusion, so that the aluminum filter cavity can be quickly separated and discharged for collection without contact after grinding, without manual removal, avoiding the risk of workers' hands being accidentally scratched by steel needles, improving safety of use, and facilitating the rapid and contactless discharge of multiple steel needles and centralized collection when replacing steel needles later, without manual removal and transfer to the receiving box, saving time and effort, and improving applicability and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a grinding device for cold extrusion processing of aluminum materials proposed in the present invention;

[0019] Figure 2 This is a schematic cross-sectional view of a grinding device for cold extrusion processing of aluminum materials proposed in the present invention;

[0020] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of part A in FIG.

[0021] In the figure: 100, material receiving box; 1, placement cylinder; 2, U-shaped support plate; 3, drive motor; 4, turntable; 5, electromagnet; 6, U-shaped support; 7, brake motor; 8, bottom plate; 9, circular sleeve; 10, vibration motor; 11, circular groove; 12, T-shaped guide rod; 13, spring; 14, connecting seat; 15, L-shaped support plate; 16, electric push rod; 17, L-shaped guide rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] like Figures 1 to 3As shown, a grinding device for cold extrusion forming of aluminum proposed in this embodiment includes an aluminum magnetic grinding device body, which includes a placement cylinder 1 with an opening at the top, a plurality of steel needles filled in the placement cylinder 1, a U-shaped support plate 2 fixedly connected to the bottom of the placement cylinder 1, a drive motor 3 fixedly installed at the bottom of the U-shaped support plate 2, an output shaft of the drive motor 3 extends into the U-shaped support plate 2 and is fixedly connected to a turntable 4, an electromagnet 5 is embedded and fixed on all four sides of the top of the turntable 4, the electromagnet 5 is located below the placement cylinder 1 and cooperates with the plurality of steel needles, a battery and a wireless remote control switch are fixedly installed at the bottom of the turntable 4, four electromagnets 5 are electrically connected to the battery and the wireless remote control switch, the wireless remote control switch is electrically connected to the battery, the four electromagnets 5 are connected in series, the battery, the four electromagnets 5 The wireless remote control switch is connected in sequence to form a loop. The wireless remote control switch is matched with an external remote controller, which plays a role in facilitating the personnel to remotely open and close the four electromagnets 5. After the cold-extruded aluminum filter cavity and multiple steel needles are poured into the placement tube 1, the drive motor 3 is used to drive the turntable 4 to rotate, and the turntable 4 drives the four electromagnets 5 to rotate. After the electromagnet 5 is energized, the magnetism generated is used to generate a gathering magnetic attraction force on the steel needles in the placement tube 1, and when rotating at high speed, the magnetic attraction force drives the multiple steel needles to rotate randomly at high speed in the placement tube 1, so as to realize continuous collision and friction between the multiple steel needles and the aluminum filter cavity, thereby grinding the aluminum filter cavity. Among them, the use of magnetic grinding of steel needles is a mature application technology of the existing magnetic grinding machine. For details, reference can be made to the principle and application of the existing magnetic grinding machine, which will not be elaborated on separately.

[0024] A bottom plate 8 is provided at the bottom of the placing cylinder 1, and both sides of the top of the bottom plate 8 are fixedly connected with a U-shaped support 6. The U-shaped support 6 on the left is rotatably installed with the left bottom of the placing cylinder 1, wherein the right top of the U-shaped support 6 on the left is provided with a circular through hole, and the fixed sleeve in the circular through hole is provided with a first bearing, and the fixed sleeve in the inner ring of the first bearing is provided with a rotating shaft, and the right end of the rotating shaft is fixedly connected to the left bottom of the placing cylinder 1, which has the effect of rotatably installing the placing cylinder 1, and the right side of the U-shaped support 6 on the right is fixedly installed with an output shaft fixedly connected to the right bottom of the placing cylinder 1, and the brake motor 7 is provided for driving the placing cylinder 1 to flip downward after grinding, wherein the right top of the U-shaped support 6 on the right is provided with a circular through hole, and the fixed sleeve in the circular through hole is provided with a second bearing, and the inner ring of the second bearing is fixedly sleeved with the outer side of the output shaft of the brake motor 7, which has the effect of The output shaft of the motor 7 is rotated to install the effect, a gathering vibration guide assembly is installed on the placement cylinder 1, and a horizontal drive assembly is installed on the bottom plate 8. Two material receiving boxes 100 are movably placed on the top of the horizontal drive assembly. The two material receiving boxes 100 are located below the placement cylinder 1 and cooperate with the placement cylinder 1. The gathering vibration guide assembly is used to automatically and independently vibrate and stably discharge the ground aluminum filter cavity when the placement cylinder 1 is flipped to face downward. It uses a plurality of steel needles that are magnetically adsorbed and tightly attached to the inner wall of the placement cylinder 1, and the aluminum material does not have magnetic attraction and will fall and separate when facing downward. The horizontal drive assembly is used to adjust the horizontal drive displacement of the two material receiving boxes 100. The two material receiving boxes 100 are used to collect the aluminum filter cavity and the steel needles respectively. The collection of the steel needles is to release the magnetic attraction on the steel needles after the electromagnet 5 loses its magnetism, so that it is automatically discharged by gravity when facing downward.

[0025] Specifically, the concentrated vibration guide assembly includes a circular sleeve 9 movably sleeved on the outside of the placement cylinder 1, the top of the circular sleeve 9 is set as a cover-shaped structure, the middle of the top of the circular sleeve 9 is set as an opening, and the top two sides of the circular sleeve 9 are fixedly connected to the vibration motor 10, and two circular grooves 11 are provided on both sides of the top of the circular sleeve 9. A T-shaped guide rod 12 is provided in the circular groove 11 for sliding. The bottom end of the T-shaped guide rod 12 extends to the bottom of the circular sleeve 9 and is fixedly connected to a connecting seat 14, wherein a vertical guide hole is provided on the bottom inner wall of the circular groove 11 for sliding sleeve with the corresponding outer side of the T-shaped guide rod 12, which plays the effect of guiding the vertical sliding of the circular sleeve 9, and the connecting seat 14 is fixedly connected to the outside of the placement cylinder 1, and a spring 1 is fixedly connected between the top inner wall of the T-shaped guide rod 12 and the bottom inner wall of the corresponding circular groove 11. 3. The spring 13 is movably sleeved on the corresponding T-shaped guide rod 12; the circular sleeve 9, vibration motor 10, T-shaped guide rod 12, connecting seat 14 and spring 13 are coordinated. When the placement tube 1 is rotated to face downward, the circular sleeve 9 will be driven to rotate downward. Because the steel needle will stick to the inner wall of the placement tube 1 under the magnetic force of the electromagnet 5, and the aluminum material is not magnetic, it will fall on the inner wall of the circular sleeve 9 under the action of its own gravity. The vibration motor 10 is started to drive the circular sleeve 9 to vibrate. The circular sleeve 9 slides vertically on the four T-shaped guide rods 12 and compresses or releases the spring 13. When the circular sleeve 9 vibrates, the aluminum filter cavity is gradually vibrated to the opening in the middle thereof, so that the aluminum filter cavity automatically falls downward and is discharged into the receiving box 100 on the left, thereby realizing the automatic discharge and collection effect of the aluminum filter cavity.

[0026] The L-shaped support plate 15 is located on the left side of the bottom plate 8, and the L-shaped support plate 15 is located on the left side of the bottom plate 8. The L-shaped support plate 15 is located on the left side of the bottom plate 8. The L-shaped support plate 15 is located on the left side of the bottom plate 8. The L-shaped guide rods 17 are fixedly connected to the top inner wall of the L-shaped support plate 15. The bottom plate 8 is slidably mounted on the two L-shaped guide rods 17. The right side of the bottom plate 8 has two transverse guide grooves that are respectively slidably mounted on the outer sides of the corresponding L-shaped guide rods 17, which play a role in guiding the L-shaped guide rods 17 to slide horizontally. The two receiving boxes 100 are both movably placed on the top of the L-shaped support plate 15. The L-shaped support plate 15 is located in the two U-shaped supports 6 and does not contact the inner side of the U-shaped support 6. A plurality of ball bearings are movably nested on the left side of the bottom of the L-shaped support plate 15. The bottom of the ball bearings is flush with the bottom of the bottom plate 8. The ball bearing serves as a movable anti-wear support for the left side of the bottom of the L-shaped support plate 15; the electric push rod 16, the L-shaped support plate 15 and the L-shaped guide rod 17 are coordinated, and the electric push rod 16 is used to drive the L-shaped support plate 15 to move left and right, and the L-shaped support plate 15 that moves left and right drives the two material receiving boxes 100 to move left and right to adjust the position. The two material receiving boxes 100 are replaced and used in turn as needed. When the material receiving box 100 on the right is moved to the bottom of the placement tube 1, the personnel turns off the electromagnet 5 to cut off the power and lose its magnetism, thereby releasing the magnetic attraction to the steel needle, so that the steel needle falls downward through the opening of the circular sleeve 9 and is discharged and collected in the material receiving box 100 on the right, so that the steel needle can be automatically discharged when replacing the steel needle at the rear side, without the need for manual removal, which is convenient for personnel to use.

[0027] The method of use of this embodiment is as follows: the aluminum filter cavity after cold extrusion and multiple steel needles for grinding are poured into the placement tube 1, and the personnel use the external remote control to operate the wireless remote control switch to control the four electromagnets 5 to turn on, and start the drive motor 3 to drive the turntable 4 to rotate, and the turntable 4 drives the four electromagnets 5 to rotate. After the electromagnet 5 is energized, the magnetism generated generates a concentrated magnetic attraction force on the steel needles in the placement tube 1, and when rotating at high speed, the magnetic attraction force drives the multiple steel needles to rotate randomly at high speed in the placement tube 1, so as to realize continuous collision and friction between the multiple steel needles and the aluminum filter cavity, so as to achieve the grinding of the aluminum filter cavity. Among them, the use of magnetic attraction grinding of steel needles is a mature application technology of the existing magnetic attraction grinder. For details, please refer to the principle and application of the existing magnetic attraction grinder, and no further explanation will be given.

[0028] After the grinding is completed, the personnel starts the brake motor 7 to drive the placement cylinder 1 to flip downward. When the placement cylinder 1 rotates downward, the circular sleeve 9 will be driven to rotate downward. Because the steel needle will stick to the inner wall of the placement cylinder 1 under the magnetic attraction of the electromagnet 5, and the aluminum material is not magnetic, it will fall to the inner wall of the circular sleeve 9 under the action of its own gravity. The vibration motor 10 is started to drive the circular sleeve 9 to vibrate. The circular sleeve 9 slides vertically on the four T-shaped guide rods 12 and compresses or releases the spring 13. When the circular sleeve 9 vibrates, the aluminum filter cavity is gradually vibrated to the opening in the middle thereof, so that the aluminum filter cavity automatically falls downward and is discharged into the receiving box 100 on the left, so as to achieve the effect of quickly separating and discharging the aluminum filter cavity without contact after grinding, and no manual removal is required, thereby avoiding the risk of workers' hands being accidentally scratched by the steel needle and improving the safety of use;

[0029] After the removal, the brake motor 7 is started to drive the placement cylinder 1 to rotate and reset, and then the steel needles can be poured in again for use.

[0030] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A grinding device for cold extrusion processing of aluminum materials, comprising an aluminum magnetic grinding device body, characterized in that: The main body of the aluminum material magnetic grinding device comprises a placement cylinder (1) with an opening at the top, a plurality of steel needles are filled in the placement cylinder (1), a U-shaped support plate (2) is fixedly connected to the bottom of the placement cylinder (1), a driving motor (3) is fixedly installed at the bottom of the U-shaped support plate (2), an output shaft of the driving motor (3) extends into the U-shaped support plate (2) and is fixedly connected to a turntable (4), and electromagnets (5) are embedded and fixed on all four sides of the top of the turntable (4), and the electromagnets (5) are located below the placement cylinder (1) and cooperate with the plurality of steel needles; A bottom plate (8) is provided below the placement cylinder (1), and both sides of the top of the bottom plate (8) are fixedly connected with U-shaped supports (6). The U-shaped support (6) on the left side is rotatably mounted with the left bottom of the placement cylinder (1), and a brake motor (7) whose output shaft is fixedly connected with the right bottom of the placement cylinder (1) is fixedly mounted on the right side of the U-shaped support (6). A gathering vibration guide assembly is installed on the placement cylinder (1), and a transverse drive assembly is installed on the bottom plate (8). Two material receiving boxes (100) are movably placed on the top of the transverse drive assembly. The two material receiving boxes (100) are located below the placement cylinder (1) and cooperate with the placement cylinder (1).

2. The grinding device for cold extrusion forming of aluminum according to claim 1, characterized in that: The gathering vibration guide assembly comprises a circular sleeve (9) movably sleeved on the outside of the placement cylinder (1), the top of the circular sleeve (9) is set as a cover-shaped structure, the middle of the top of the circular sleeve (9) is set as an opening, and the top two sides of the circular sleeve (9) are fixedly connected with a vibration motor (10), and the top two sides of the circular sleeve (9) are provided with two circular grooves (11), and a T-shaped guide rod (12) is slidably sleeved in the circular groove (11), and the bottom end of the T-shaped guide rod (12) extends to the bottom of the circular sleeve (9) and is fixedly connected to a connecting seat (14), and the connecting seat (14) is fixedly connected to the outside of the placement cylinder (1), and a spring (13) is fixedly connected between the top inner wall of the T-shaped guide rod (12) and the bottom inner wall of the corresponding circular groove (11), and the spring (13) is movably sleeved on the corresponding T-shaped guide rod (12).

3. The grinding device for cold extrusion forming of aluminum according to claim 2, characterized in that: The transverse drive assembly comprises an electric push rod (16) fixedly mounted on the left side of the top of the base plate (8); the protruding end of the electric push rod (16) is fixedly connected to an L-shaped support plate (15); two L-shaped guide rods (17) are fixedly connected to the top inner wall of the L-shaped support plate (15); the base plate (8) is slidably sleeved on the two L-shaped guide rods (17); and the two material receiving boxes (100) are movably placed on the top of the L-shaped support plate (15).

4. The grinding device for cold extrusion forming of aluminum according to claim 1, characterized in that: A circular through hole is provided on the top right side of the U-shaped support (6) on the left side. A first bearing is provided in a fixed sleeve inside the circular through hole. A rotating shaft is provided in a fixed sleeve inside the inner ring of the first bearing. The right end of the rotating shaft is fixedly connected to the left bottom side of the placement cylinder (1).

5. The grinding device for cold extrusion processing of aluminum according to claim 1, characterized in that: A battery and a wireless remote control switch are fixedly installed at the bottom of the turntable (4); the four electromagnets (5) are electrically connected to the battery and the wireless remote control switch; the wireless remote control switch is electrically connected to the battery; the four electromagnets (5) are connected in series; the battery, the four electromagnets (5) and the wireless remote control switch are connected in sequence to form a loop; and the wireless remote control switch is matched with an external remote controller.

6. The grinding device for cold extrusion forming of aluminum according to claim 2, characterized in that: A vertical guide hole is provided on the inner wall of the bottom of the circular groove (11) and is slidably fitted onto the outer side of the corresponding T-shaped guide rod (12).

7. The grinding device for cold extrusion forming of aluminum according to claim 3, characterized in that: The L-shaped support plate (15) is located inside the two U-shaped supports (6) and does not contact the inner side of the U-shaped supports (6). A plurality of balls are movably nested on the left side of the bottom of the L-shaped support plate (15), and the bottom of the balls is flush with the bottom of the bottom plate (8).

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