Mutual inductor iron core production cutting device
By applying an automatic feeding belt and positioning mechanism, the problems of insufficient precision, low efficiency, and complex operation of the current transformer core cutting device have been solved, achieving efficient and accurate core cutting and reducing labor costs and error risks.
Patent Information
- Application Number
- CN202520405237.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Existing current transformer core cutting devices suffer from insufficient precision, low efficiency, complex operation, and high labor costs.
The system employs an automatic feeding belt, combined with a positioning mechanism and cutting components, including a positioning plate and a clamping assembly, to achieve rapid and precise positioning of the iron core, reducing manual intervention and adapting to the processing of iron cores of different specifications.
It improved cutting accuracy and production efficiency, reduced labor costs, simplified operating procedures, reduced the risk of errors, and improved the working environment.
Smart Images
Figure CN223801776U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of mutual inductor core production, especially relates to a mutual inductor core production cutting device. BACKGROUND
[0002] In the production and manufacturing process of mutual inductor, the core as the core component, its cutting precision plays a vital role, is directly related to the overall performance and quality performance of mutual inductor. The accurate cutting of the core ensures the stability of electrical parameters and the reliability of mutual inductor, and then influences the operation efficiency and safety of the whole power system. However, the cutting device commonly used in the current core cutting field is still mainly in the manual or semi-automatic operation mode. This kind of traditional cutting mode has many limitations. First of all, the manual or semi-automatic cutting device has obvious deficiency in precision control. Due to uncontrollable factors such as operation proficiency and fatigue degree of human operation, the inconsistency of cutting size is often caused, which is difficult to meet the demand of high-precision processing. This not only increases the difficulty of subsequent processing, but also may affect the electrical performance of mutual inductor due to size deviation. Secondly, the efficiency problem is also a big shortcoming of traditional cutting device. Under the manual or semi-automatic operation mode, the cutting speed is limited by the physical strength and skill level of the operator, and it is difficult to realize efficient and continuous cutting operation. This not only prolongs the production cycle, but also increases the production cost and reduces the market competitiveness of enterprises. Furthermore, the traditional cutting device also has challenges in operation complexity. The operator needs to have certain professional skills and experience to operate the cutting device skillfully, which undoubtedly increases the labor cost and training difficulty. At the same time, the complex operation process also increases the risk of error, further affecting the cutting quality and production efficiency. Therefore, it is necessary to develop a mutual inductor core production cutting device aiming at the above defects. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at providing a mutual inductor core production cutting device, which can quickly position the core through the positioning mechanism, thereby improving the production efficiency.
[0004] To solve the above technical problems, the utility model adopts the following technical scheme:
[0005] The utility model relates to a mutual -inductor core production cutting device, including frame, be equipped with the feeding belt for conveying the core on the frame, the feeding belt rotation is installed between the frame, the upper end of frame is equipped with the cutting assembly for cutting the core, the cutting assembly passes through gantry and is installed on the frame, the gantry is across the upper of frame and is slidably installed on both sides of frame, the lower end of gantry is equipped with the chute towards one end of feeding belt, the cutting assembly is slidably installed in the chute, the upper end of frame is equipped with the positioning mechanism for positioning the core cutting position, the positioning mechanism is slidably installed on the upper end surface of feeding belt, the positioning mechanism includes the positioning assembly for limiting the core movement and the compression assembly that the core is pressed on the feeding belt, the positioning assembly and the compression assembly are symmetrically installed on both sides of frame, the compression assembly is equipped with a plurality of fixedly installed on the upper end surface of positioning assembly, the lower end of frame is equipped with the waste collecting device for collecting the cutting in the debris, the waste collecting device is installed on the lower end of the return end of feeding belt.
[0006] Preferably, the cutting assembly includes a sliding seat, a first cylinder, and a cutting knife. The sliding seat is slidably installed in the sliding groove of the gantry. A threaded rod is horizontally arranged in the sliding groove. The threaded rod is rotatably installed at both ends of the sliding groove. A first motor is arranged at one end of the threaded rod extending out of the sliding groove. The first motor is fixedly installed on the side wall of the gantry. Under the action of the first motor, the sliding seat reciprocates along the axial direction of the threaded rod. The lower end of the sliding seat is fixedly connected with the first cylinder. The delivery end of the first cylinder is fixedly connected with the upper end of the cutting knife. The first cylinder drives the cutting knife to move vertically.
[0007] Preferably, the positioning assembly includes a first positioning plate, a second positioning plate, a first telescopic rod, and a second telescopic rod. Each of the first positioning plate and the second positioning plate is provided with two groups and is symmetrically installed on both sides of the frame. The rear end of the first positioning plate is driven by the corresponding first telescopic rod. The rear end of the second positioning plate is driven by the corresponding second telescopic rod. The first telescopic rod and the second telescopic rod are fixed on the frame close to the side. The first telescopic rod and the second telescopic rod are arranged in parallel. The first telescopic rod and the second telescopic rod drive the first positioning plate and the second positioning plate on both sides to relatively approach or move away.
[0008] Preferably, the first positioning plate is L-shaped structure, the horizontal branch of the first positioning plate is consistent with the conveying direction of the feeding belt, the first telescopic rod is fixed on the horizontal branch, the vertical branch of the first positioning plate faces the inner side of the rack, the inner side of the vertical branch is provided with a positioning sensor for preliminarily positioning the iron core, the positioning sensor is installed on the side close to the center line of the feeding belt, the positioning sensor is installed on the side of the second positioning plate facing the feeding belt, and the positioning surface of the second positioning plate on the same side is flush with the inner side surface of the horizontal branch of the first positioning plate.
[0009] Preferably, the pressing assembly comprises a fixed frame, a second air cylinder, a pressing rod, a cross rod and a first connecting rod, the fixed frame is fixedly installed on the upper end surface of the first positioning plate and the second positioning plate respectively, the rear end of the fixed frame is rotatably installed with a second air cylinder, the second air cylinder is installed close to the outer side of the rack, the output end of the second air cylinder is hinged with the fixed frame through the first connecting rod, the first connecting rod is rotatably installed on the two sides of the output end of the second air cylinder respectively, the second connecting rod is arranged between the first connecting rod and the output end, one end of the second connecting rod is hinged on the output end of the second air cylinder, and the other end is hinged on the cross rod, the rear end of the cross rod is rotatably installed on the fixed frame, the pressing rod is vertically and detachably installed on the front end of the cross rod, and the pressing rod is fixed on the cross rod through a nut.
[0010] Preferably, the waste collecting device comprises a collecting box, a suction box and a connecting pipe, the collecting box is fixedly installed on the lower end of the rack, the collecting box is conical structure, the opening of the collecting box faces the rack, and the collecting box is connected with the suction box through the connecting pipe.
[0011] Preferably, the portal frame is ''H'' structure, the vertical columns on the two sides are slidingly installed on the rack, the lower end of the vertical column is provided with a wing edge, the wing edge is arranged inwardly and clamped on the rack, the side surface of the rack is provided with a square groove, the square groove is arranged transversely, a lead screw is horizontally installed in the square groove, the lead screw is rotatably installed at the two ends of the square groove, one end of the lead screw is fixedly connected with a helical gear, the helical gear is provided with two groups, the two groups of helical gears are meshed with each other at an angle of 90 degrees and are parallel to the lead screw, the shaft center of the helical gear parallel to the lead screw is fixedly connected with a second motor, and the second motor is vertically installed on the outer side of the rack.
[0012] Compared with the prior art, the beneficial technical effects of the utility model are as follows:
[0013] The utility model discloses a mutual -inductor core production cutting device, through automatic feeding and cutting of feeding belt, and is equipped with first locating plate and second locating plate, does not need to correct positioning to the core when processing, and the compression assembly is fixed in the upper end surface of first locating plate and second locating plate, when the core of different specifications is processed, need not adjust position, has saved time, and greatly improved production efficiency. The first locating plate and second locating plate all are equipped with the positioner, can accurately position the cutting position of core, has guaranteed cutting accuracy. The distance between first locating plate and second locating plate is adjustable, is suitable for processing the core of multiple different specifications and increases the processing range. The lower end of frame is equipped with waste collection assembly, effectively reduces the falling of scrap to ground, improves the working environment. BRIEF DESCRIPTION OF DRAWINGS
[0014] The utility model will be further explained in connection with the drawings.
[0015] Figure 1 It is the three -dimensional structure schematic diagram of mutual -inductor core production cutting device of the utility model;
[0016] Figure 2 It is the main view structure schematic diagram of mutual -inductor core production cutting device of the utility model;
[0017] Figure 3 It is the overhead structure schematic diagram of mutual -inductor core production cutting device of the utility model;
[0018] Figure 4 It is the left view structure schematic diagram of mutual -inductor core production cutting device of the utility model;
[0019] Figure 5 It is the structure schematic diagram of compression assembly;
[0020] Figure 6 It is the structure schematic diagram of compression assembly; Figure 2 It is the section view schematic diagram of A in the middle;
[0021] Figure 7 It is the structure schematic diagram of B in the middle. Figure 2
[0022] Explanation of reference signs: 1, rack; 101, square groove; 2, feeding belt; 3, cutting assembly; 301, sliding seat; 302, first air cylinder; 303, cutting knife; 304, threaded rod; 305, first motor; 4, gantry; 401, sliding groove; 402, stand column; 5, positioning assembly; 501, first positioning plate; 502, second positioning plate; 503, first telescopic rod; 504, second telescopic rod; 505, positioning sensor; 6, pressing assembly; 601, fixing frame; 602, second air cylinder; 603, pressing rod; 604, cross rod; 605, first connecting rod; 606, second connecting rod; 7, waste collecting device; 701, collecting box; 702, suction box; 703, connecting pipe; 8, screw rod; 9, helical gear; 10, second motor. DETAILED DESCRIPTION
[0023] The core of the utility model provides a mutual inductor core production cutting device, through the positioning mechanism to the core is positioned fast, has improved production efficiency.
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0025] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0026] Reference drawings, Figure 1 It is a three-dimensional structure schematic view of the mutual inductor core production cutting device of the utility model; Figure 2 It is a front view structure schematic view of the mutual inductor core production cutting device of the utility model; Figure 3 It is a top view structure schematic view of the mutual inductor core production cutting device of the utility model; Figure 4 It is a left view structure schematic view of the mutual inductor core production cutting device of the utility model; Figure 5 It is a structure schematic view of the pressing assembly; Figure 6 It is Figure 2 It is a sectional view schematic view of A in the middle; Figure 7 It is Figure 2 It is a structure schematic view of B in the middle.
[0027] In one embodiment, as shown in Figures 1 to 7 A core cutting device for transformer core production includes a frame 1. The frame 1 is provided with a feeding belt 2 for feeding the core, and the feeding belt 2 is rotatably installed on the frame 1. The upper end of the frame 1 is provided with a cutting assembly 3 for cutting the core, and the cutting assembly 3 is installed on the frame 1 through a gantry 4. The gantry 4 is slidably installed on the two sides of the frame 1 and spans over the upper end of the frame 1. The lower end of the gantry 4 is provided with a sliding groove 401 facing one end of the feeding belt 2, and the cutting assembly 3 is slidably installed in the sliding groove 401. The upper end of the frame 1 is provided with a positioning mechanism for positioning the cutting position of the core. The positioning mechanism is slidably installed on the upper end surface of the feeding belt 2. The positioning mechanism includes a positioning assembly 5 for limiting the movement of the core and a pressing assembly 6 for pressing the core on the feeding belt 2. The positioning assembly 5 and the pressing assembly 6 are symmetrically installed on the two sides of the frame 1, and the pressing assembly 6 is provided with a plurality of groups of fixedly installed on the upper end surface of the positioning assembly 5. The lower end of the frame 1 is provided with a waste collecting device 7 for collecting the debris generated during cutting, and the waste collecting device 7 is installed at the lower end of the return end of the feeding belt 2.
[0028] Specifically, the feeding belt 2 is composed of a plurality of parallel arranged grids, and the grids are vertically arranged with the frame 1. The transmission belts are connected together between the grids. The two ends of the frame 1 are respectively provided with a driving roller and a driven roller, and the two ends of the driving roller and the driven roller are rotatably installed on the frame 1. The side of the driving roller located at the front end is provided with a third motor, and the third motor drives the driving roller to rotate, so that the feeding belt 2 rotates around the driving roller and the driven roller.
[0029] In one embodiment, as shown in Figures 1 to 7 The cutting assembly 3 includes a sliding seat 301, a first air cylinder 302, and a cutting knife 303. The sliding seat 301 is slidably installed in the sliding groove 401 of the gantry 4, and a threaded rod 304 is horizontally arranged in the sliding groove 401. The threaded rod 304 is rotatably installed at the two ends of the sliding groove 401, and the end of the threaded rod 304 extending out of the sliding groove 401 is provided with a first motor 305 fixedly installed on the side wall of the gantry 4. Under the action of the first motor 305, the sliding seat 301 reciprocates along the axial direction of the threaded rod 304. The lower end of the sliding seat 301 is fixedly connected with the first air cylinder 302, the delivery end of the first air cylinder 302 is fixedly connected with the upper end of the cutting knife 303, and the first air cylinder 302 drives the cutting knife 303 to move vertically.
[0030] The cutting knife 303 is a laser knife, which can meet the cutting of different shapes. The cutting knife 303 is installed at the lower end of the gantry 4 and can slide horizontally along the sliding groove 401 on the gantry 4. The gantry 4 is in the longitudinal direction of the frame 1, which can process different positions and different specifications of cutting patterns, increase the range of use, and avoid the use of fixed cutting knife 303 which can only cut the same pattern.
[0031] In an embodiment, as shown in Figures 1 to 7 The positioning assembly 5 includes a first positioning plate 501 and a second positioning plate 502. The first positioning plate 501 and the second positioning plate 502 are symmetrically arranged on both sides of the rack 1, and each has two groups. The rear end of the first positioning plate 501 is driven by a corresponding first telescopic rod 503, and the rear end of the second positioning plate 502 is driven by a corresponding second telescopic rod 504. The first telescopic rod 503 and the second telescopic rod 504 are fixed on the rack 1 near the side, and the first telescopic rod 503 and the second telescopic rod 504 are arranged in parallel. The first telescopic rod 503 and the second telescopic rod 504 drive the first positioning plate 501 and the second positioning plate 502 on both sides to move close to or away from each other, respectively. The first positioning plate 501 and the second positioning plate 502 are placed on the feeding belt 2 and automatically adjusted according to the clamped core, and are suitable for processing cores of multiple specifications.
[0032] In an embodiment, as shown in Figures 1 to 7 The first positioning plate 501 is L-shaped, the horizontal arm of the first positioning plate 501 is consistent with the transmission direction of the feeding belt 2, the first telescopic rod 503 is fixed on the horizontal arm, and the vertical arm of the first positioning plate 501 faces the inner side of the rack 1. The inner side of the vertical arm is provided with a positioning sensor 505 for preliminary positioning of the core, and the positioning sensor 505 is arranged on the side close to the center line of the feeding belt 2. The vertical arm blocks the core on the feeding belt 2, and when the positioning sensor 505 senses that the core abuts against the inner side of the vertical arm, the first telescopic rod 503 and the second telescopic rod 504 are started to clamp the core on both sides. The second positioning plate 502 is provided with the positioning sensor 505 on the side facing the feeding belt 2, which can detect whether the first positioning plate 501 and the second positioning plate 502 clamp the core on both sides. The positioning surface of the second positioning plate 502 on the same side is flush with the inner side of the horizontal arm of the first positioning plate 501, so as to avoid misalignment of the positioning surface of the positioning plate on the same side when clamping the core, which causes the core to be twisted.
[0033] In an embodiment, as shown in Figures 1 to 7As shown, the pressing assembly 6 includes a fixed frame 601, a second cylinder 602, a pressing rod 603, a crossbar 604 and a first connecting rod 605. The fixed frame 601 is fixedly installed on the upper end face of the first positioning plate 501 and the second positioning plate 502 respectively, the rear end of the fixed frame 601 is rotatably installed with the second cylinder 602, the second cylinder 602 is installed close to the outer side of the rack 1, the output end of the second cylinder 602 is hingedly connected with the fixed frame 601 through the first connecting rod 605, and the first connecting rod 605 is rotatably installed on both sides of the output end of the second cylinder 602. The first connecting rod 605 and the output end are provided with a second connecting rod 606, one end of the second connecting rod 606 is hingedly connected to the output end of the second cylinder 602, the other end is hingedly connected to the crossbar 604, and the rear end of the crossbar 604 is rotatably installed on the fixed frame 601. The pressing rod 603 is vertically and detachably installed on the front end of the crossbar 604, and the pressing rod 603 is fixed on the upper end of the crossbar 604 through a nut. According to the thickness of the iron core, the length of the pressing rod 603 can be adjusted by rotating the position of the nut on the crossbar 604.
[0034] Specifically, a group of pressing assemblies 6 are fixedly installed on the upper end face of the right angle of the first positioning plate 501, facilitating pressing the two sides of the front end of the iron core. Two groups of pressing assemblies 6 are symmetrically installed on the upper end of the second positioning plate 502, pressing the two sides of the iron core. The pressing assembly 6 is fixed on the first positioning plate 501 and the second positioning plate 502, and when positioning and pressing different specifications of iron cores, the position of the pressing assembly 6 does not need to be adjusted, which is convenient and fast.
[0035] In a specific embodiment, as shown in Figures 1 to 7 The waste collecting device 7 includes a collecting box 701, a suction box 702 and a connecting pipe 703. The collecting box 701 is fixedly installed on the lower end of the rack 1, the collecting box 701 is of a conical structure, the opening is directed to the rack 1, and the collecting box 701 is connected with the suction box 702 through the connecting pipe 703. The suction box 702 is started, and the waste falling into the collecting box 701 is collected and concentrated for treatment by negative pressure suction
[0036] In a specific embodiment, as shown in Figures 1 to 7As shown, the gantry 4 is of a "H" structure, and the columns 402 on both sides are slidingly installed on the frame 1. The lower end of the column 402 is provided with a wing edge which is inwardly arranged and clamped on the frame 1, so as to avoid the distortion of the gantry 4 when sliding on the frame 1. The side surface of the frame 1 is provided with a square groove 101 which is transversely arranged. A lead screw 8 is horizontally installed in the square groove 101, and the lead screw 8 is rotatably installed at both ends of the square groove 101 through the wing edge of the column 402 and is in threaded connection with the column 402. One end of the lead screw 8 is fixedly connected with a helical gear 9, and the helical gear 9 is provided with two groups which are meshed with each other at an angle of 90° and are parallel to the lead screw 8. The axial center of the helical gear 9 which is parallel to the lead screw 8 is fixedly connected with a second motor 10 which is vertically installed on the outside of the frame 1. Under the action of the second motor 10, the lead screw 8 drives the gantry 4 to move axially along the lead screw 8.
[0037] The utility model gage core production cutting device running process: when working, place the core on the feeding belt 2 and open the feeding belt 2, the feeding belt 2 transmits the core forward until the front end of the core touches the positioning sensor 505, after the positioning sensor 505 detects the signal, start first telescopic link 503 and second telescopic link 504, make the first positioning plate 501 and the second positioning plate 502 that are installed at their front ends respectively from the both sides of the core relatively close until the side of the core is clamped.This time, the feeding belt 2 suspends work. Then, start second cylinder 602, the output end of second cylinder 602 drives pressing rod 603 to move downward through the connecting rod mechanism until the lower end surface of pressing rod 603 is closely abutted on the upper end surface of the core. Because the front end position of first positioning plate 501 is fixed, when first positioning plate 501 and second positioning plate 502 relatively close simultaneously, the center of the core keeps consistent with the center of frame 1, thereby quickly positioning the processing position of the core. Then, start second motor 10, make gantry 4 move to the predetermined position along the longitudinal direction of frame 1, and simultaneously start first motor 305 and make sliding seat 301 move along the axial movement of threaded rod 304, move cutting knife 303 to the processing position. Next, start first cylinder 302, first cylinder 302 drives cutting knife 303 to move downward and processes the core. The structure is simple, and subsequent correction is not needed, and the reference can be quickly found for processing. After processing, start second cylinder 602 and make it drive pressing rod 603 to move upward and separate from the core. Then, start first telescopic link 503 and second telescopic link 504 and drive first positioning plate 501 and second positioning plate 502 to move away from the core, and first positioning plate 501 and second positioning plate 502 retreat enough distance so that the processed core can smoothly pass through feeding belt 2 and continue to transmit. Finally, start feeding belt 2 and transport the core to the next process.
[0038] The various embodiments are described in the specification by way of progression, each building on the last to facilitate ease of understanding. The same or similar reference numerals are used in the drawings and description to refer to the same or like parts, components and operations throughout.
[0039] The above-described embodiments are merely some of the preferred modes of the present application, and are not intended to limit the scope of the present application, and various modifications and improvements can be made to the technical solutions of the present application by those skilled in the art without departing from the design spirit of the present application, and all such modifications and improvements shall fall within the protection scope of the present application as defined by the claims.
Claims
1. A mutual inductor core production cutting device, characterized by: The utility model provides a cutting device for cutting iron core, including frame (1), the frame (1) is equipped with the feeding belt (2) for conveying iron core, the feeding belt (2) rotationally installs between the frame (1), the upper end of frame (1) is equipped with the cutting assembly (3) for cutting iron core, the cutting assembly (3) is installed on the frame (1) through portal frame (4), the portal frame (4) is across the upper end of frame (1) and is slidingly installed on both sides of frame (1), the lower end of portal frame (4) is equipped with the chute (401) towards one end of feeding belt (2), the cutting assembly (3) is slidingly installed in the chute (401), the upper end of frame (1) is equipped with the positioning mechanism for positioning iron core cutting position, the positioning mechanism is slidingly installed on the upper end surface of feeding belt (2), the positioning mechanism includes the positioning assembly (5) for limiting iron core movement and the compression assembly (6) for pressing iron core on feeding belt (2), the positioning assembly (5) and compression assembly (6) are symmetrically installed on both sides of frame (1), the compression assembly (6) is equipped with a plurality of sets of fixedly installed on the upper end surface of positioning assembly (5), the lower end of frame (1) is equipped with the waste collecting device (7) for collecting the scrap produced in cutting, and the waste collecting device (7) is installed on the lower end of the return end of feeding belt (2).
2. The mutual inductor core production cutting apparatus according to claim 1, characterized by: The cutting assembly (3) includes slide (301), first cylinder (302), cutting knife (303), the slide (301) is slidingly installed in the chute (401) of portal frame (4), the screw rod (304) is horizontally provided in the chute (401), the screw rod (304) is rotatably installed at both ends of the chute (401), the first motor (305) is arranged on one end of the screw rod (304) that stretches out from the chute (401), the first motor (305) is fixedly installed on the side wall of portal frame (4), under the action of first motor (305), the slide (301) reciprocates along the axial direction of screw rod (304), the lower end of slide (301) is fixedly connected with first cylinder (302), the delivery end of first cylinder (302) is fixedly connected with the upper end of cutting knife (303), and first cylinder (302) drives cutting knife (303) to move vertically.
3. The transformer core production cutting apparatus according to claim 1, characterized by: The positioning assembly (5) comprises a first positioning plate (501), a second positioning plate (502), a first telescopic rod (503) and a second telescopic rod (504), the first positioning plate (501) and the second positioning plate (502) are symmetrically installed on both sides of the rack (1) in two groups, the rear end of the first positioning plate (501) is driven by the corresponding first telescopic rod (503), the rear end of the second positioning plate (502) is driven by the corresponding second telescopic rod (504), the first telescopic rod (503) and the second telescopic rod (504) are fixed on the rack (1) close to the side, the first telescopic rod (503) and the second telescopic rod (504) are arranged in parallel, and the first telescopic rod (503) and the second telescopic rod (504) drive the first positioning plate (501) and the second positioning plate (502) on both sides to relatively approach or move away.
4. The transformer core production cutting apparatus according to claim 3, characterized by: The first positioning plate (501) is of L-shaped structure, the horizontal branch of the first positioning plate (501) is consistent with the transmission direction of the feeding belt (2), the first telescopic rod (503) is fixed on the horizontal branch, the vertical branch of the first positioning plate (501) faces the inner side of the rack (1), the inner side of the vertical branch is provided with a positioning sensor (505) for preliminarily positioning the iron core, the positioning sensor (505) is installed on one side close to the center line of the feeding belt (2), the second positioning plate (502) is installed with the positioning sensor (505) on one side facing the feeding belt (2), and the positioning surface of the second positioning plate (502) on the same side is flush with the inner side surface of the horizontal branch of the first positioning plate (501).
5. The transformer core production cutting apparatus according to claim 4, characterized in that: The pressing assembly (6) comprises a fixed frame (601), a second air cylinder (602), a pressing rod (603), a cross rod (604) and a first connecting rod (605), the fixed frame (601) is fixedly installed on the upper end surface of the first positioning plate (501) and the second positioning plate (502) respectively, the rear end of the fixed frame (601) is rotatably installed with the second air cylinder (602), the second air cylinder (602) is installed close to the outer side of the rack (1), the output end of the second air cylinder (602) is hingedly connected with the fixed frame (601) through the first connecting rod (605), the first connecting rod (605) is rotatably installed on both sides of the output end of the second air cylinder (602) respectively, the second connecting rod (606) is arranged between the first connecting rod (605) and the output end, one end of the second connecting rod (606) is hingedly connected with the output end of the second air cylinder (602), and the other end is hingedly connected with the cross rod (604), the rear end of the cross rod (604) is rotatably installed on the fixed frame (601), the pressing rod (603) is vertically and detachably installed on the front end of the cross rod (604), and the pressing rod (603) is fixed on the cross rod (604) through a nut.
6. The transformer core production cutting apparatus according to claim 1, characterized by: The waste collecting device (7) comprises a collecting box (701), a suction box (702) and a connecting pipe (703), the collecting box (701) is fixedly installed at the lower end of the frame (1), the collecting box (701) is a tapered structure, the opening of which is towards the frame (1), and the collecting box (701) is connected with the suction box (702) through the connecting pipe (703).
7. The transformer core production cutting apparatus according to claim 1, characterized by: The portal frame (4) is a "H" structure, the vertical columns (402) on both sides are slidingly installed on the frame (1), the lower end of the vertical column (402) is provided with a wing edge, the wing edge is inwardly arranged and clamped on the frame (1), the side surface of the frame (1) is provided with a square groove (101), the square groove (101) is transversely arranged, a lead screw (8) is horizontally installed in the square groove (101), the lead screw (8) is rotatably installed at both ends of the square groove (101), one end of the lead screw (8) is fixedly connected with a helical gear (9), the helical gear (9) is provided with two groups, the two groups of helical gears (9) are meshed with each other at an angle of 90° and are parallel to the lead screw (8), the shaft center of the helical gear (9) parallel to the lead screw (8) is fixedly connected with a second motor (10), and the second motor (10) is vertically installed on the outer side of the frame (1).