CN114210809B - Silicon steel sheet punching equipment for transformer - Google Patents

Abstract

The invention discloses a silicon steel sheet punching equipment for a transformer, which includes four parts: a conveyor, a bidirectional punching mechanism, a buffer lifting mechanism and a magnetic suction cleaner. A support frame is installed at the end of the conveyor, and the bidirectional punching mechanism is installed on the support frame. It consists of a driving mechanism, a guide plate, a stamping head, a connector and a punching blade. The bottom of the driving mechanism is vertically installed in the middle of the guide plate, and the two ends of the guide plate are connected with the support frame. The symmetrical slide is arranged on the guide plate, the two ends of the driving mechanism are connected with the two sets of punching heads, the connectors are installed at the ends of the punching heads, and the lower ends of the two sets of connectors are rotationally connected with the upper edge of the punching blade. The punching equipment designed in the present invention adopts a fully automatic operation mode, and is equipped with a buffer punching mechanism, which can reduce the deformation rate in the punching process. The degree of intelligence.

Description

A silicon steel sheet punching equipment for transformer

technical field

The invention relates to the technical field of punching equipment, in particular to a silicon steel sheet punching equipment for transformers.

Background technique

Silicon steel contains 1.0-4.5% silicon and silicon alloy steel with a carbon content of less than 0.08% is called silicon steel. It has the characteristics of high magnetic permeability, low coercivity, and large resistivity, so hysteresis loss and eddy current loss are small. It is mainly used as magnetic material in motors, transformers, electrical appliances and electrical instruments. In order to meet the needs of punching and shearing processing in the manufacture of electrical appliances, a certain degree of plasticity is also required. In order to improve the magnetic induction performance and reduce the hysteresis loss, it is required that the content of harmful impurities is as low as possible, and the plate shape is required to be flat and the surface quality is good. During the production and processing of silicon steel sheets for transformers, they need to be punched by special punching equipment. cut processing.

However, the existing silicon steel sheet punching method for transformers has the following problems: (1) the existing silicon steel sheet punching method has a low degree of automation, and the punching force of the punching head during the punching process is likely to cause silicon steel sheet The surface of the sheet is deformed, and the corresponding processing mechanism is lacking, which affects the qualified rate of the finished product; (2) A large amount of metal debris and dust are likely to be generated during the punching process of the silicon steel sheet, resulting in a large amount of dirt around the punching body, Lack of corresponding cleaning mechanism. Therefore, it is necessary to design corresponding technical solutions to solve the existing technical problems.

Contents of the invention

The object of the present invention is to provide a silicon steel sheet punching equipment for transformers, which solves the problem that the existing silicon steel sheet punching method has a low degree of automation, and the punching force of the punching head in the punching process easily causes silicon steel sheet The surface is deformed and lacks a corresponding processing mechanism, which affects the pass rate of the finished product. This is a technical problem.

In order to achieve the above object, the present invention provides the following technical solutions: a silicon steel sheet punching equipment for transformers, including four parts: a conveyor, a two-way punching mechanism, a buffer lifting mechanism and a magnetic suction cleaner, and the end of the conveyor is installed with The support frame, the two-way punching mechanism is installed on the support frame and is composed of a drive mechanism, a guide plate, a stamping head, a connector and a punching blade, the bottom of the drive mechanism is vertically installed in the middle of the guide plate, and the guide plate The two ends of the drive mechanism are connected with the support frame, the punching head is divided into two groups and symmetrically slid on the guide plate, the two ends of the driving mechanism are connected with the two groups of punching heads, and the connector is installed on the At the end, the lower ends of the two groups of connectors are rotationally connected with the upper edge of the punching blade, the buffer lifting mechanism is located directly below the bidirectional punching mechanism and the bottom is installed at the end of the conveyor, and the magnetic suction cleaner is symmetrical Two groups are provided and are respectively located on both sides of the two-way punching mechanism. The bottoms of the two groups of magnetic cleaners are respectively installed on both sides of the conveyor. The magnetic cleaners include magnetic cleaners located on both sides of the punching blade. The suction baffle and the feeding pipe connected to the lower end of the magnetic suction baffle, the feeding pipe is connected with a pump, the discharge end of the pump is connected with a storage container, and the storage container is installed at the bottom of the conveyor and A PLC controller is installed on the surface, and the PLC controller is connected with a two-way stamping mechanism, a buffer lifting mechanism and a magnetic cleaner through lines.

As a preferred embodiment of the present invention, the drive mechanism includes a column installed in the middle of the guide plate and two sets of hydraulic cylinders installed on the top of the column. The power output ends of the two sets of hydraulic cylinders are connected with push columns. The outer ends of the push pins are respectively connected with two sets of stamping heads.

As a preferred embodiment of the present invention, the stamping head includes a body shell and a push rod vertically installed on the top of the body shell, an electric push rod one is installed at the lower end of the push rod, and the electric push rod one is located on the body shell and the end is connected with the connector.

As a preferred embodiment of the present invention, the connector is composed of a micro motor, a chassis, a connecting rod and a distance sensor, the upper end of the micro motor is connected to the power output end of the electric push rod one and the lower end is connected to the chassis The connecting rods are divided into two groups and arranged on the bottom of the chassis in an inclined shape. The two ends of the connecting rods of the two groups are respectively connected to the chassis and the punching blade in rotation. Face the punching blade directly below.

As a preferred embodiment of the present invention, the buffer lifting mechanism includes a main board and several groups of electric push rods 2 evenly installed on one side of the main board, several groups of electric push rods 2 power output ends are connected with supporting rods, several groups A supporting plate is installed on the upper end of the supporting rod, and the supporting plate is a pull-out structure.

As a preferred embodiment of the present invention, the lower edge of the main board is uniformly provided with several groups of movable slots, and the lower end of the electric push rod 2 is located in the movable slots and fixedly connected by bolts.

As a preferred embodiment of the present invention, the magnetic baffle has a two-stage structure and is provided with a protective ramp and an electromagnetic chuck in sequence from top to bottom, and the inner side of the protective ramp is provided with a dust inlet and is inclined. Shaped setting, the electromagnetic chuck is located directly below the protective slope.

As a preferred embodiment of the present invention, the electromagnetic chuck is connected to an external power supply and a crossbeam is arranged below it, and an inlet is opened on the surface of the beam, and the lower end of the inlet is connected with the feeding pipe.

Compared with the prior art, the beneficial effects of the present invention are as follows:

1. The present invention has designed a kind of fully automatic punching equipment specially used for silicon steel sheet, and this punching equipment comprises conveyor, two-way stamping mechanism, buffer lifting mechanism and magnetic suction type cleaner, and conveyor will be processed silicon steel The sheet is transported to the two-way punching mechanism. First, the cutting part of the silicon steel sheet is lifted by the buffer lifting mechanism, and then the hydraulic drive mechanism in the middle moves the two groups of punching heads to the inside. During the movement, the connector at the lower end of the punching head is driven. The punching blade is pressed down to achieve the purpose of punching the silicon steel sheet. This punching method prevents the bottom of the silicon steel sheet from directly contacting the machine body, reduces the rigid contact force and vibration during the punching process, and achieves better The purpose of punching is to reduce the possibility of deformation of the silicon steel sheet. During the punching process, the metal debris is blocked by the magnetic cleaners on both sides and magnetically adsorbed. When it is necessary to remove the metal debris When conducting, the electromagnetic suction cleaner can be turned off so that metal debris can be introduced into the storage container below for storage, which can achieve the purpose of self-cleaning.

2. The punching equipment designed in the present invention adopts a fully automatic operation mode, and is equipped with a buffer punching mechanism, which can reduce the deformation rate in the punching process, and the operation of the whole machine body is controlled by a PLC controller to improve The degree of intelligence of the device.

Description of drawings

Fig. 1 is the overall structural diagram of the present invention;

Fig. 2 is the overall side view of the present invention;

Fig. 3 is a structural diagram of the connector of the present invention;

Fig. 4 is a structural diagram of the buffer lifting mechanism of the present invention;

Fig. 5 is a structural diagram of the magnetic baffle according to the present invention.

In the figure: 1. Conveyor; 2. Support frame; 3. Driving mechanism; 4. Guide plate; 5. Punching head; 6. Connector; 7. Punching blade; 8. Magnetic baffle; Tube; 10, pump; 11, storage container; 12, PLC controller; 13, column; 14, hydraulic cylinder; 15, push column; 16, body shell; 17, push rod; 18, electric push rod one; 19 , micro motor; 20, chassis; 21, connecting rod; 22, distance sensor; 23, main board; 24, electric push rod two; ; 29, electromagnetic chuck; 30, dust inlet; 31, beam; 32, import port.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Embodiment 1: Please refer to Figures 1-5. The present invention provides a technical solution: a silicon steel sheet punching equipment for transformers, including four parts: a conveyor 1, a two-way punching mechanism, a buffer lifting mechanism and a magnetic suction cleaner. The end of the conveyor 1 is equipped with a support frame 2, the two-way punching mechanism is installed on the support frame 2 and consists of a driving mechanism 3, a guide plate 4, a punching head 5, a connector 6 and a punching blade 7, and the bottom of the driving mechanism 3 is vertical Installed in the middle of the guide plate 4, the two ends of the guide plate 4 are connected with the support frame 2, the punching head 5 is divided into two groups and symmetrically slid on the guide plate 4, the two ends of the driving mechanism 3 are connected with the two groups of punching heads 5 connected, the connector 6 is installed at the end of the punching head 5, the lower ends of the two sets of connectors 6 are rotationally connected with the upper edge of the punching blade 7, the buffer lifting mechanism is located directly below the two-way punching mechanism and the bottom is installed on the conveyor 1 At the end, two sets of magnetic cleaners are symmetrically arranged and located on both sides of the two-way punching mechanism respectively. The bottoms of the two sets of magnetic cleaners are installed on both sides of the conveyor 1 respectively. The magnetic suction baffle 8 on both sides of the cutting blade 7 and the feed pipe 9 connected to the lower end of the magnetic suction baffle 8, the feed pipe 9 is connected with a pump 10, and the discharge end of the pump 10 is connected with a storage container 11, and the storage The container 11 is installed on the bottom of the conveyor 1 and is equipped with a PLC controller 12 on the surface, and the PLC controller 12 is connected with the two-way punching mechanism, the buffer lifting mechanism and the magnetic cleaner through lines.

Embodiment 2, as shown in Figure 1, the technical solution of this embodiment is the driving mechanism 3 installed on the above-mentioned silicon steel sheet punching equipment. A group of hydraulic cylinders 14, the power output ends of the two groups of hydraulic cylinders 14 are connected with push columns 15, the outer ends of the two groups of push columns 15 are respectively connected with the two groups of stamping heads 5, and the two groups of hydraulic cylinders 14 are used to pull the stamping heads 5 synchronously Adjust the position, when the two groups of stamping heads 5 move inwardly, the punching blade 7 can be driven to punch down through the connector 6, otherwise, the punching blade 7 can be driven to rise.

Embodiment 3, as shown in Figure 1, the technical solution of this embodiment is the stamping head 5 installed on the above-mentioned silicon steel sheet punching equipment, the stamping head 5 includes the body shell 16 and the ejector rod 17 vertically installed on the top of the body shell 16, the top The lower end of bar 17 is equipped with electric push rod one 18, and electric push rod one 18 is positioned at body shell 16 and the end is connected with connector 6, can carry out substantial height adjustment to punching blade 7 by electric push rod one 18.

Embodiment 4, as shown in Figure 3, the technical solution of this embodiment is a connector 6 installed on the above-mentioned silicon steel sheet punching equipment, the connector 6 is composed of a micro motor 19, a chassis 20, a connecting rod 21 and a distance sensor 22, the micro The upper end of the motor 19 is connected with the power output end of the electric push rod one 18 and the lower end is connected with the chassis 20. The connecting rods 21 are divided into two groups and are arranged on the bottom of the chassis 20 in an inclined shape. The two ends of the two groups of connecting rods 21 Respectively connected to the chassis 20 and the punching blade 7 in rotation, the distance sensor 22 is installed on one side of the chassis 20 and the detection end is facing the punching blade 7 below, and the micro motor 19 can drive the chassis 20 to fine-tune the moving angle, so as to achieve The purpose of adjusting the angle of the connecting rod 21 and the punching blade 7 below is to avoid the offset of the punching blade 7 during punching and to monitor the position of the punching blade 7 in real time by using the distance sensor 22 .

Embodiment 5, as shown in Figure 4, the technical solution of this embodiment is a buffer lifting mechanism installed on the above-mentioned silicon steel sheet punching equipment. 24. Several groups of electric push rods 224 power output ends are connected with support rods 25, and the upper ends of several groups of support rods 25 are equipped with supporting plates 26. The supporting plates 26 are pull-out structures, and the push rods 25 are pushed by the electric push rods 24 and Drive supporting plate 26 to carry out height adjustment, when silicon steel sheet moves to supporting plate 26 positions, can lift by electric push rod two 24.

Note: The surface of the pallet 26 is processed to form several groups of strip grooves to facilitate punching with the cutting blade 7

The lower edge of the main board 23 is evenly provided with some groups of movable notches 27, and the lower end of the electric push rod two 24 is positioned in the movable notches 27 and is fixedly connected by bolts, which is convenient for installation and height adjustment of the electric push rod two 24.

Embodiment 6, as shown in Figure 5, the technical solution of this embodiment is a magnetic baffle 8 installed on the above silicon steel sheet punching equipment. Ramp 28 and electromagnetic sucker 29, the inboard of protective ramp 28 is provided with dust inlet 30 and is obliquely arranged, and electromagnetic sucker 29 is positioned at the just below of protective ramp 28, can be to the smaller particle in cutting process by dust inlet 30 Suspended matter is accommodated and metal scraps are adsorbed by the magnetic baffle 8 .

Specifically, the electromagnetic chuck 29 is connected to an external power supply and a crossbeam 31 is arranged below, and the surface of the crossbeam 31 is provided with an inlet 32, and the lower end of the inlet 32 is connected with the feeding pipe 9. The bare metal debris on the lower surface is introduced into the opening 32 and stored.

When in use: the present invention designs a fully automatic punching equipment specially used for silicon steel sheets. The punching equipment includes a conveyor 1, a two-way punching mechanism, a buffer lifting mechanism and a magnetic suction cleaner. The silicon steel sheet to be processed is transported to the two-way punching mechanism. First, the cutting part of the silicon steel sheet is lifted by the buffer lifting mechanism, and then the two groups of punching heads 5 are moved inward by the hydraulic drive mechanism 3 in the middle. The connector 6 at the lower end of the head 5 drives the punching blade 7 to press down, so as to achieve the purpose of punching the silicon steel sheet. This punching method prevents the bottom of the silicon steel sheet from directly contacting the machine body and reduces the rigidity during the punching process. Contact force and vibration achieve better punching purpose and reduce the possibility of deformation of the silicon steel sheet. During the punching process, metal debris is blocked by the magnetic cleaners on both sides and magnetically adsorbed. , when it is necessary to guide the metal debris, the electromagnetic suction cleaner can be turned off so that the metal debris can be imported into the storage container below for storage, which can achieve the purpose of self-cleaning.

Finally, it should be noted that: the above is only 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 foregoing embodiments, for those skilled in the art, it still The technical solutions recorded in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (4)

1. A die-cut equipment of silicon steel sheet for transformer, its characterized in that: comprises a conveyor (1), a bidirectional stamping mechanism, a buffer lifting mechanism and a magnetic suction type cleaner, wherein the tail end of the conveyor (1) is provided with a support frame (2), the bidirectional stamping mechanism is arranged on the support frame (2) and consists of a driving mechanism (3), a guide plate (4), a stamping head (5), a connector (6) and a punching blade (7), the bottom of the driving mechanism (3) is vertically arranged in the middle of the guide plate (4), the two ends of the guide plate (4) are connected with the support frame (2), the stamping head (5) is respectively provided with two groups of magnetic suction type cleaners and symmetrically sliding on the guide plate (4), the two ends of the driving mechanism (3) are connected with the two groups of stamping heads (5), the connector (6) are arranged at the tail ends of the stamping head (5), the two groups of the lower ends of the connector (6) are rotationally connected with the upper edges of the blades (7), the buffer mechanism is arranged right below the bidirectional stamping mechanism and the bottom of the driving mechanism is arranged at the end of the conveyor (1), the magnetic suction type cleaner is respectively provided with two groups of magnetic suction type cleaners and symmetrically sliding on the two sides of the magnetic suction type cleaners (8) which are respectively arranged at the two sides of the magnetic suction type cleaners (8, the magnetic suction type cleaners are respectively arranged at the two sides of the magnetic suction cleaner (8 respectively, the conveying pipe (9) is connected with a pump (10), the discharge end of the pump (10) is connected with a storage container (11), the storage container (11) is arranged at the bottom of the conveyor (1) and is provided with a PLC (programmable logic controller) 12 on the surface, the PLC (12) is connected with a bidirectional punching mechanism, a buffer lifting mechanism and a magnetic cleaner through a circuit, the driving mechanism (3) comprises a stand column (13) arranged at the middle part of a guide plate (4) and two groups of hydraulic cylinders (14) arranged at the top of the stand column (13), the power output ends of the two groups of hydraulic cylinders (14) are respectively connected with a push column (15), the outer ends of the two groups of push columns (15) are respectively connected with two groups of punching heads (5), the punching heads (5) comprise a machine body shell (16) and a push rod (17) vertically arranged at the top of the machine body shell (16), the lower end of the push rod (17) is provided with an electric push rod (18), the electric push rod (18) is positioned in the machine shell (16) and is connected with a connector (6), the tail end of the electric rod (18) is connected with a miniature motor (6), the lower end of the electric rod (19) is connected with a miniature chassis (20) and the power output end of the miniature chassis (20) is connected with the miniature chassis (20), the utility model discloses a die-cut blade, including chassis (20), connecting rod (21) are divided into two sets of and are the slope form and set up in the bottom of chassis (20), two sets of the both ends of connecting rod (21) rotate with chassis (20) and die-cut blade (7) respectively and are connected, distance sensor (22) are installed in one side of chassis (20) and the die-cut blade (7) of detection end just to the below, buffering lifting mechanism includes mainboard (23) and a plurality of groups electric putter second (24) of evenly installing in mainboard (23) one side, a plurality of groups electric putter second (24) power take off end is connected with die-cut pole (25), a plurality of groups layer board (26) are installed to the upper end of die-cut pole (25), layer board (26) are pull formula structure.

2. The die-cutting apparatus for a silicon steel sheet for a transformer as set forth in claim 1, wherein: a plurality of groups of movable slots (27) are uniformly formed in the lower edge of the main plate (23), and the lower end of the second electric push rod (24) is located in the movable slots (27) and fixedly connected through bolts.

3. The die-cutting apparatus for a silicon steel sheet for a transformer as set forth in claim 1, wherein: the magnetic baffle (8) is of a two-section structure, a protection slope plate (28) and an electromagnetic chuck (29) are sequentially arranged from top to bottom, a dust inlet (30) is formed in the inner side of the protection slope plate (28), and the electromagnetic chuck (29) is located under the protection slope plate (28).

4. A silicon steel sheet punching apparatus for a transformer as set forth in claim 3, wherein: the electromagnetic chuck (29) is externally connected with a power supply, a cross beam (31) is arranged below the electromagnetic chuck, an inlet (32) is formed in the surface of the cross beam (31), and the lower end of the inlet (32) is communicated with the conveying pipe (9).

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