A press forming apparatus for a power grid magnetic core

Abstract

The present application relates to the technical field of magnetic core preparation, and particularly relates to a pressing forming equipment for power grid magnetic cores, which comprises a connecting block one; a connecting plate is connected with the connecting block one; a side plate is connected with the connecting block one through plug-in connection; a top plate is connected with the connecting block one and the side plate through plug-in connection; one movable plate one is slidably connected with each side of the connecting block one; one movable plate two is slidably connected with each side of the top plate, and the movable plate two is connected with the corresponding movable plate one through plug-in connection; each movable plate one is fixedly connected with a corresponding pressing block one; through cooperation of the movable plate one, the movable plate two, the pressing block one and a round rod one, after extrusion forming, a worker only needs to move the movable plate one, so that the whole row of magnetic core semi-finished products can be inserted into material holes of a supporting block at the same time, without the need of taking out the magnetic core semi-finished products from the pressing mold one by one and inserting them into the material holes of the supporting block, so that the production efficiency is greatly improved, and the problem of corner cracking caused by manual insertion of the magnetic core semi-finished products is eliminated, so as to ensure product quality.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of magnetic core preparation. More particularly, the present application relates to a compression molding equipment for power grid magnetic cores. BACKGROUND

[0002] Magnetic cores are key components in electrical equipment and are widely used to enhance magnetic fields and improve inductance performance. The manufacturing process generally includes: after mixing a plurality of powder raw materials, the mixture is pressed into a mold to form a cylindrical magnetic core semi-finished product, then the semi-finished product is transferred to a material hole of a receiving tray, and then the whole is sent into a sintering furnace for high-temperature sintering to harden and shape it.

[0003] However, in the current process, the magnetic core semi-finished product needs to be picked up one by one by hand after being demolded from the mold and inserted into each hole position of the receiving tray. This operation process is tedious, time-consuming, and has low automation, resulting in low production efficiency. At the same time, the structure of the magnetic core semi-finished product just after compression is low in strength and tender in texture, and when it is inserted into the hole position of the receiving tray by hand, its edges and corners are prone to knock against the hole, causing the edges and corners to crack or be damaged, which seriously affects the product yield and the final performance. SUMMARY

[0004] In order to overcome the low efficiency and the phenomenon of easy cracking caused by inserting the magnetic core semi-finished product into the receiving tray one by one by hand, the present application provides a compression molding equipment for power grid magnetic cores.

[0005] The technical embodiment of the present application is: a compression molding equipment for power grid magnetic cores, comprising a machine box, a connecting plate and a cover mounted on the connecting plate; the connecting plate is fixedly connected to the machine box; further comprising a connecting block one; the connecting plate is connected to the connecting block one; the connecting block one is plug-in connected with a side plate; the connecting block one and the side plate are plug-in connected with a top plate; one movable plate one is slidably connected to each side of the connecting block one; one movable plate two is slidably connected to each side of the top plate, and the movable plate two is plug-in connected with the corresponding movable plate one; a plurality of pressing blocks one are connected to the side plate; a plurality of pressing blocks one are also connected to the top plate; each movable plate one is fixedly connected with the corresponding pressing block one; each movable plate two is fixedly connected with the corresponding pressing block one; a cavity is formed between the connecting block one, the side plate, the movable plate one and the corresponding pressing block one; a plurality of round rods one are slidably connected between each pair of pressing blocks one; an extrusion assembly is connected to the connecting plate, and the extrusion assembly is used to extrude the top plate.

[0006] More preferably, the extrusion assembly comprises a telescopic cylinder, a pressing block two and a positioning block; a plurality of telescopic cylinders are fixedly connected to the machine box; the telescopic ends of all the telescopic cylinders are fixedly connected with the pressing block two; a plurality of positioning blocks are fixedly connected to the connecting plate; a plurality of through grooves one are formed in the connecting block one, and the through grooves one are matched with the positioning blocks; each positioning block is in contact with the corresponding movable plate one.

[0007] More preferably, the auxiliary assembly further comprises connecting blocks two, connecting blocks three, movable blocks, springs one, linkage blocks, springs two and round rods two; the connecting plate is fixedly connected with a plurality of connecting blocks two; each connecting block two is fixedly connected with a connecting block three; each connecting block three is slidably connected with a plurality of movable blocks; each movable block is fixedly connected with a plurality of springs one, and the springs one are fixedly connected with the corresponding connecting block three; each connecting block three is slidably connected with a linkage block; the contact surfaces of the movable blocks and the linkage blocks are all provided as inclined surfaces; each linkage block is fixedly connected with a spring two, and the spring two is fixedly connected with the corresponding connecting block three; each movable plate one is fixedly connected with a round rod two; and a plurality of through grooves two are formed in the connecting block one.

[0008] More preferably, the moving assembly further comprises electric sliding rails, electric sliding blocks and a receiving disc; the connecting plate is fixedly connected with a plurality of electric sliding rails; each electric sliding rail is slidably connected with an electric sliding block; and all the electric sliding blocks are fixedly connected with the receiving disc.

[0009] More preferably, the spring three is further included; the upper middle pressing block one is fixedly connected with the top plate, and the other upper pressing blocks one are slidably connected with the top plate; the lower middle pressing block one is fixedly connected with the connecting block one, and the other lower middle pressing blocks one are slidably connected with the connecting block one; and a plurality of spring threes are fixedly connected between each pair of pressing blocks one.

[0010] More preferably, the protection assembly further comprises springs four and round rods three; each pressing block one is fixedly connected with a plurality of springs four; each spring four is fixedly connected with a round rod three, and the round rod three is slidably connected with the corresponding pressing block one.

[0011] More preferably, the shell is provided with a camera.

[0012] More preferably, the shell is provided with a dust collector.

[0013] More preferably, the shell is provided with a dust-free operation window.

[0014] More preferably, the surface of the shell and the surface of the case are both coated with an anticorrosive layer.

[0015] Compared with the prior art, the application has the following advantages: one, through the cooperation of the movable plate one, the movable plate two, the pressing block one and the round rod one, after extrusion forming, the artificial only needs to move the movable plate one, so that the whole row of magnetic core semi-finished products can be inserted into the material holes of the supporting block at the same time, without the need to take out and insert the magnetic core semi-finished products from the pressing mold and into the material holes of the supporting block one by one, so that the production efficiency is greatly improved, and the edge and corner cracking problem caused by manual insertion of the magnetic core semi-finished products is eliminated, so as to ensure the product quality.

[0016] II. Through the cooperation of the through slot one and the positioning block, the connecting block one and the parts thereon are positioned, so that the pressing block two can exert pressure on the middle part of the top plate, thereby making the top plate uniformly exert force on each pressing block one, which is beneficial to improve the uniformity of the pressing forming. At the same time, the positioning block is also used to block and limit the pressing block one in the horizontal direction, so as to avoid the horizontal deviation of the pressing block one due to the pressure during the pressing forming, thereby avoiding the interference with the forming of the magnetic core semi-finished product;

[0017] III. In the normal state, the spring three can be used to make each pressing block one approach each other, and make the whole row of pressing blocks one located in the middle position of the connecting block one (or the top plate), without artificial control and adjustment, which greatly reduces the difficulty of manual operation, and is beneficial to improve the convenience. At the same time, the spring three used to make the pressing blocks one approach each other in the normal state can be used to shake off the clumps of impurities remaining on the pressing blocks one, so as to avoid the interference with the subsequent pressing forming operation;

[0018] IV. Through the cooperation of the spring four and the round rod three, the pressing block one is buffered and protected, so as to avoid the loosening and deformation phenomenon of the pressing block one due to long-term impact, thereby avoiding the interference with the extrusion forming operation. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure schematic view of the pressing forming equipment for the power grid magnetic core of the present application is shown;

[0020] Figure 2 The structure schematic view of the inside of the cover shell of the present application is shown;

[0021] Figure 3 The installation position schematic view of the positioning block of the present application is shown;

[0022] Figure 4 The first perspective exploded view of the pressing forming equipment for the power grid magnetic core of the present application is shown;

[0023] Figure 5 The second perspective exploded view of the pressing forming equipment for the power grid magnetic core of the present application is shown;

[0024] Figure 6 The structure schematic view of the round rod one of the present application is shown;

[0025] Figure 7 The structure schematic view of the auxiliary assembly of the present application is shown;

[0026] Figure 8 The top view of the auxiliary assembly of the present application is shown;

[0027] Figure 9 The structure schematic view of the spring three of the present application is shown;

[0028] Figure 10A schematic diagram of the structure of the spring four of the present invention is shown.

[0029] The components in the attached diagram are labeled as follows: 1-Chassis, 2-Connecting plate, 3-Cover, 4-Connecting block one, 5-Side plate, 6-Top plate, 7-Moving plate one, 8-Moving plate two, 9-Pressure block one, 10-Round rod one, 11-Burning block, 201-Telescopic cylinder, 202-Pressure block two, 203-Positioning block, 204-Connecting block two, 205-Connecting block three, 206-Moving block, 207-Spring one, 208-Linkage block, 209-Spring two, 2010-Round rod two, 2011-Electric slide rail, 2012-Electric slider, 2013-Receiving plate, 2014-Spring three, 2015-Spring four, 2016-Round rod three, 91-Cavity, 92-Through groove one, 93-Through groove two. Detailed Implementation

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Example 1: A pressing and molding equipment for power grid magnetic cores, such as... Figures 1-9 As shown, the assembly includes a chassis 1, a connecting plate 2, and a cover 3; the chassis 1 is bolted to the connecting plate 2; the connecting plate 2 is bolted to the cover 3; it also includes a connecting block 4, a side plate 5, a top plate 6, a movable plate 7, a movable plate 8, a pressure block 9, a round rod 10, and an extrusion assembly; the connecting plate 2 is connected to the connecting block 4; the side plate 5 is plugged into the connecting block 4; the top plate 6 is plugged into the connecting block 4, and the top plate 6 is plugged into the side plate 5; a movable plate 7 is slidably connected to both sides of the connecting block 4. The top plate 6 has a movable plate 2 8 slidably connected to both sides, and the movable plate 2 8 is plugged into and pulled into the corresponding movable plate 1 7; the side plate 5 and the top plate 6 are each bolted with several pressure blocks 1 9; each movable plate 1 7 is fixedly connected to the corresponding pressure block 1 9; each movable plate 2 8 is fixedly connected to the corresponding pressure block 1 9; a cavity 91 is formed between the connecting block 1 4, the side plate 5, the movable plate 1 7 and the corresponding pressure block 1 9; two round rods 10 are slidably connected between each pair of corresponding pressure blocks 1 9; the connecting plate 2 is connected with an extrusion assembly.

[0032] The extrusion assembly comprises telescopic cylinders 201, a second pressing block 202 and positioning blocks 203; two telescopic cylinders 201 are bolted on the top inner side of the cabinet 1; the telescopic ends of all the telescopic cylinders 201 are collectively welded with the second pressing block 202; four positioning blocks 203 are welded on the connecting plate 2, and the positioning blocks 203 are made of wear-resistant material; four through grooves 192 are formed on the connecting block 1 4, and the through grooves 192 are matched with the positioning blocks 203 to position the connecting block 1 4; each positioning block 203 is in contact with the corresponding movable plate 1 7, and the movable plate 1 7 is limited by the positioning blocks 203.

[0033] The auxiliary assembly further comprises connecting blocks 204, connecting blocks 205, movable blocks 206, springs 207, linkage blocks 208, springs 209 and round rods 2010; two connecting blocks 204 are bolted on the connecting plate 2, and the connecting blocks 204 are made of alloy material; one connecting block 205 is bolted on each connecting block 204; two movable blocks 206 are slidingly connected on each connecting block 205; two springs 207 are fixedly connected on each movable block 206, and the springs 207 are fixedly connected with the corresponding connecting block 205; one linkage block 208 is slidingly connected on each connecting block 205; the contact surfaces of the movable blocks 206 and the linkage blocks 208 are all provided with inclined surfaces; the movable blocks 206 and the linkage blocks 208 are all made of wear-resistant material; one spring 209 is fixedly connected between each connecting block 205 and the corresponding linkage block 208; one round rod 2010 is welded on each movable plate 1 7; two through grooves 93 are formed on the connecting block 1 4.

[0034] The moving assembly further comprises electric sliding rails 2011, electric sliding blocks 2012 and a receiving disc 2013; two electric sliding rails 2011 are bolted on the connecting plate 2; one electric sliding block 2012 is slidingly connected on each electric sliding rail 2011; the electric sliding blocks 2012 are collectively fixedly connected with the receiving disc 2013, and the receiving disc 2013 is horizontally moved by the electric sliding blocks 2012.

[0035] Firstly, the top plate 6 is manually moved upward, the movable plate two 8, the pressing block one 9 and the round rod one 10 on the top plate 6 are moved upward, the cavity 91 is exposed, then the powder mixture is poured into the cavity 91 by manual, the top plate 6 is reinserted on the upper side of the connecting block one 4, the movable plate two 8 is reinserted on the upper side of the movable plate one 7, then the pressing block two 202 is driven by the telescopic pneumatic cylinder 201 to move downward, the pressing block two 202 contacts the middle part of the upper side of the top plate 6, then the top plate 6 is pushed downward by the pressing block two 202, the pressing block one 9 above the top plate 6 is moved downward, so that the mixed powder in the cavity 91 is extruded by the pressing block one 9, the cylindrical magnetic core semi-finished product is prepared, then the connecting block one 4 and the parts thereon are manually moved upward away from the connecting plate 2 together, the side plate 5 is removed, the end part of the magnetic core semi-finished product is exposed, then the connecting block one 4 and the parts thereon are rotated by ninety degrees, the exposed end part of the magnetic core semi-finished product faces downward, then the connecting block one 4 and the side plate 5 are inserted into the movable block 206, at this time, the position of the connecting block one 4 and the parts thereon is as shown in Figure 7As shown, the electric slide rail 2011 and electric slider 2012 are activated. The electric slider 2012 drives the receiving plate 2013 to move to the right, and the receiving plate 2013 drives the firing block 11 to move to the right, so that the first row of material holes on the far right of the firing block 11 moves to below the semi-finished magnetic core. Then, the two movable plates 7 are manually moved in opposite directions. The movable plates 7 drive the pressing blocks 9 located at the lower ends to move. At the same time, the movable plates 7 drive the movable plates 8 to move, and the movable plates 8 drive the pressing blocks 9 located at the upper ends to move. That is, the pressing blocks 9 located at the upper and lower ends move in opposite directions at the same time. During this process, the pressing blocks 9 and the round First, rod 10 slides relative to each other. When the relative movement reaches its limit, pressure block 9 pulls rod 10 to move, and rod 10 pulls the corresponding pressure block 9 to move, thus causing the pressure blocks 9 in the same row to unfold relative to each other. The pressure blocks 9 in the upper and lower rows unfold synchronously, thus separating each magnetic core semi-finished product and aligning each magnetic core semi-finished product with the material hole of the firing block 11 below it. During this process, movable plate 7 also drives rod 2010 to move, causing rod 2010 to pass through through slot 293 and contact linkage block 208. Then, rod 2010 pushes linkage block 208 and compresses spring 209. Simultaneously, spring 209 forces the corresponding two movable blocks 206 to move in opposite directions and compresses spring 207. Movable blocks 206 drive connecting block 4 and side plate 5 to move in opposite directions, causing the two rows of pressing blocks 9 to move in opposite directions. This stops pressing blocks 9 from limiting the semi-finished magnetic cores. At this time, the entire row of semi-finished magnetic cores falls simultaneously into the material hole of the sintering block 11, completing rapid material placement. It should be understood that during the extrusion molding process, to avoid the formation of connected thin sheets between adjacent semi-finished magnetic cores, the semi-circular cavities on each pressing block 9 should be set close enough. During sintering, to ensure that each semi-finished magnetic core... The finished product can be heated fully and evenly. The material holes on the bearing block 11 should be spaced a certain distance apart so that the semi-finished magnetic cores inserted into the bearing block 11 can be spaced apart from each other. In use, the movable plate 7, movable plate 8, pressing block 9 and round rod 10 cooperate to allow the entire row of semi-finished magnetic cores to be inserted into the material holes of the bearing block 11 simultaneously by manually moving the movable plate 7 after extrusion molding. There is no need to remove the semi-finished magnetic cores from the pressing mold one by one and insert them into the material holes of the bearing block 11, which greatly improves production efficiency and eliminates the problem of edge and corner cracking caused by manual insertion of semi-finished magnetic cores, thus ensuring product quality.

[0036] After the magnetic core semi-finished product is inserted into the bearing block 11, the movable plate one 7 is manually pushed to move back to the original position, the movable plate two 8 and the pressing block one 9 are driven to move back to the original position, then the connecting block one 4 and the parts thereon are taken off from the movable block 206, then the side plate 5 is inserted into the connecting block one 4, then the through slot one 92 of the connecting block one 4 is inserted into the outside of the four positioning blocks 203, and the connecting block one 4 is supported on the connecting plate 2. At this time, the connecting block one 4 and the parts thereon are positioned through the cooperation of the four through slots one 92 and the four positioning blocks 203, so that the middle part of the top plate 6 is aligned with the middle part of the pressing block two 202. During the pressing forming process, the pressing block two 202 can apply pressure to the middle part of the top plate 6, so that the top plate 6 uniformly applies force to each pressing block one 9 thereon, which is beneficial to improve the uniformity of the pressing forming. Moreover, after the positioning block 203 passes through the through slot one 92, it will contact the side surface of the movable plate one 7. At this time, the movable plate one 7 is blocked and limited by the positioning block 203, so as to block and limit the movable plate two 8 and the pressing block one 9 in the horizontal direction, avoiding the horizontal deviation of the pressing block one 9 during the pressing forming process due to the pressure, thereby avoiding the interference with the forming of the magnetic core semi-finished product. When in use, the connecting block one 4 and the parts thereon are positioned through the cooperation of the through slot one 92 and the positioning block 203, so that the pressing block two 202 can apply pressure to the middle part of the top plate 6, thereby making the top plate 6 uniformly apply force to each pressing block one 9 thereon, which is beneficial to improve the uniformity of the pressing forming. At the same time, the positioning block 203 is also used for blocking and limiting the pressing block one 9 in the horizontal direction, avoiding the horizontal deviation of the pressing block one 9 during the pressing forming process due to the pressure, thereby avoiding the interference with the forming of the magnetic core semi-finished product.

[0037] The spring three 2014 is also included; the pressing block one 9 located in the upper middle part is fixedly connected with the top plate 6, and the other pressing block one 9 located in the upper part is slidably connected with the top plate 6; the pressing block one 9 located in the lower middle part is fixedly connected with the connecting block one 4, and the other pressing block one 9 located in the lower middle part is slidably connected with the connecting block one 4; two spring threes 2014 are fixedly connected between each pair of two pressing block ones 9, and the spring three 2014 is used for resetting the pressing block one 9.

[0038] During the process of filling the powder mixture into the cavity 91, manually taking off the top plate 6 and the parts thereon, and inserting the top plate 6 back into the original position, it is necessary to deliberately control all the pressing blocks 9 on the top plate 6 to be in the state of abutment and always located at the middle position of the top plate 6. Meanwhile, before inserting the magnetic core semi-finished product into the supporting block 11 and installing the connecting block 4 and the parts thereon back to the extrusion position, it is necessary to press the movable plate 7 to avoid the phenomenon of deviation and loosening of the pressing blocks 9, which is relatively difficult to operate. Therefore, the spring 3 014 is arranged on the pressing block 9, the pressing block 9 located at the upper middle part is fixedly connected with the top plate 6, the other pressing blocks 9 located at the upper part are slidingly connected with the top plate 6, the pressing block 9 located at the lower middle part is fixedly connected with the connecting block 4, and the other pressing blocks 9 located at the lower part are slidingly connected with the connecting block 4. Under normal circumstances, the spring 3 014 is in a stretched state, and through the elastic force of the spring 3 014, each pressing block 9 is drawn to each other, and the whole row of pressing blocks 9 is located at the middle position of the connecting block 4 (or the top plate 6), which can be controlled without manual operation. During the expansion process, the pressing blocks 9 are moved by the movable plate 7 and the movable plate 8, and the pressing blocks 9 stretch the spring 3 014, so that the pressing blocks 9 can be smoothly separated. When in use, under normal circumstances, each pressing block 9 can be drawn to each other by the elastic force of the spring 3 014, and the whole row of pressing blocks 9 is located at the middle position of the connecting block 4 (or the top plate 6), which does not need to be deliberately controlled and adjusted by manual operation, greatly reduces the difficulty of manual operation, and is beneficial to improve the convenience.

[0039] After the magnetic core semi-finished product is inserted into the supporting block 11, there will be residual clumps and impurities on the pressing blocks 9. After the connecting block 4 and the parts thereon are manually taken off from the movable block 206, and before the side plate 5 is inserted back into the original position, the two movable plates 7 are manually actuated to move in opposite directions, so that the pressing blocks 9 are expanded and the spring 3 014 is stretched. Then the movable plate 7 is stopped, at this time the spring 3 014 rebounds to drive the pressing blocks 9 to quickly approach and collide. Thus, the movable plate 7 is actuated in this way for several times, so that the residual clumps and impurities on the pressing blocks 9 are shaken off, avoiding interference with the subsequent pressing and molding operation. When in use, the spring 3 014 used to draw the pressing blocks 9 to each other under normal circumstances can be used to shake off the residual clumps and impurities on the pressing blocks 9, avoiding interference with the subsequent pressing and molding operation.

[0040] In embodiment 2, on the basis of embodiment 1, as shown in Figure 10 the protection assembly further includes a spring 4 015 and a round rod 3 016; four spring 4 015 are fixedly connected on each pressing block 9; one round rod 3 016 is fixedly connected on each spring 4 015, and the round rod 3 016 is dampingly and slidingly connected with the corresponding pressing block 9.

[0041] The camera is arranged in the shell 3, which can be used for monitoring the production and processing operation.

[0042] The dust cleaner is arranged in the cover 3, and can clean the dust in the cover 3.

[0043] The dust-free operation window is arranged on the cover 3, and can prevent dust and impurities in the external environment from entering the inside of the cover 3.

[0044] The surface of the case 1 and the cover 3 is coated with an anti-corrosion layer, which is used for rust prevention and life improvement.

[0045] During the process of shaking off the residual powder, the compression block 9 is prone to deformation and loosening due to long-term impact, which may interfere with the extrusion molding. Therefore, the protection assembly is arranged on the compression block 9. When the compression block 9 moves away, the spring 2015 in the initial compressed state rebounds to drive the round rod 2016 to move, so that the end of the round rod 2016 extends out of the compression block 9. The compression block 9 continues to move away, and at this time, the spring 2015 and the round rod 2016 rebound to the limit value, so that the compression block 9 drives the spring 2015 and the round rod 2016 to move at the same time, thereby separating the adjacent two round rods 2016. During the process of removing the powder, the spring 2014 rebounds to drive the compression block 9 to move towards, and the compression block 9 drives the spring 2015 and the round rod 2016 to move, so that the adjacent two round rods 2016 collide and compress the spring 2015. At this time, the round rod 2016 can move into the compression block 9 in a damping manner, that is, the compression block 9 slowly approaches in the last stage. In this way, the compression block 9 can avoid the impact deformation phenomenon, and the two round rods 2016 collide under the action of the damping force between the round rod 2016 and the compression block 9, so that the compression block 9 can still receive a large vibration effect. Thus, the movable plate 7 is repeatedly actuated for several times to shake off the powder impurities remaining on the compression block 9; during use, the spring 2015 and the round rod 2016 cooperate to buffer and protect the compression block 9, so as to avoid the loosening and deformation phenomenon of the compression block 9 due to long-term impact, thereby avoiding interference with the extrusion molding operation.

[0046] It should be understood that the above description is only for exemplary purposes and does not mean to limit the present application. Those skilled in the art will understand that variations of the present application will be included within the scope of the claims herein.

Claims

1. A pressing equipment for power grid magnetic core, comprising a machine case (1), a connecting plate (2) and a cover (3) installed on the connecting plate (2); the connecting plate (2) is fixed on the machine case (1); characterized in that: It also includes the connecting block one (4); the connecting plate (2) is connected with the connecting block one (4); the connecting block one (4) is inserted and connected with the side plate (5); the connecting block one (4) and the side plate (5) are inserted and connected with the top plate (6); the connecting block one (4) both sides are slidably connected with one movable plate one (7); the top plate (6) both sides are slidably connected with one movable plate two (8), and the movable plate two (8) is inserted and connected with the corresponding movable plate one (7); the side plate (5) is connected with a plurality of pressing blocks one (9); the top plate (6) is also connected with a plurality of pressing blocks one (9); each movable plate one (7) is fixedly connected with the corresponding pressing block one (9); each movable plate two (8) is fixedly connected with the corresponding pressing block one (9); the connecting block one (4), the side plate (5), the movable plate one (7) and the corresponding pressing block one (9) form a cavity (91); a plurality of round rods one (10) are slidably connected between each pair of pressing blocks one (9); the connecting plate (2) is connected with an extrusion assembly, the extrusion assembly is used for extruding the top plate (6), and the extrusion assembly comprises telescopic cylinders (201), pressing blocks two (202) and positioning blocks (203); a plurality of telescopic cylinders (201) are fixedly connected on the cabinet (1); the telescopic ends of all telescopic cylinders (201) are fixedly connected with the pressing block two (202); a plurality of positioning blocks (203) are fixedly connected on the connecting plate (2); a plurality of through grooves one (92) are formed in the connecting block one (4), and the through grooves one (92) are matched with the positioning blocks (203); each positioning block (203) is in contact with the corresponding movable plate one (7).

2. A compacting apparatus for power grid cores as defined in claim 1, characterized in that: It also includes an auxiliary assembly, and the auxiliary assembly comprises connecting blocks two (204), connecting blocks three (205), movable blocks (206), springs one (207), linkage blocks (208), springs two (209) and round rods two (2010); a plurality of connecting blocks two (204) are fixedly connected on the connecting plate (2); one connecting block three (205) is fixedly connected on each connecting block two (204); a plurality of movable blocks (206) are slidably connected on each connecting block three (205); a plurality of springs one (207) are fixedly connected on each movable block (206), and the springs one (207) are fixedly connected with the corresponding connecting block three (205); one linkage block (208) is slidably connected on each connecting block three (205); the contact surfaces of the movable blocks (206) and the linkage blocks (208) are all provided as inclined surfaces; one spring two (209) is fixedly connected on each linkage block (208), and the spring two (209) is fixedly connected with the corresponding connecting block three (205); one round rod two (2010) is fixedly connected on each movable plate one (7); a plurality of through grooves two (93) are formed in the connecting block one (4).

3. A compacting apparatus for power grid cores as defined in claim 2, characterized in that: The mobile assembly comprises electric sliding rails (2011), electric sliding blocks (2012) and a receiving disc (2013); the connecting plate (2) is fixed with a plurality of electric sliding rails (2011); each electric sliding rail (2011) is slidably connected with an electric sliding block (2012); and all the electric sliding blocks (2012) are fixed with the receiving disc (2013) in common.

4. A compacting apparatus for power grid cores as defined in claim 3, characterized in that: The spring three (2014) is further included; the upper middle pressing block (9) is fixed with the top plate (6), and the other upper pressing blocks (9) are slidably connected with the top plate (6); the lower middle pressing block (9) is fixed with the connecting block (4), and the other lower middle pressing blocks (9) are slidably connected with the connecting block (4); and a plurality of spring threes (2014) are fixed between each pair of pressing blocks (9).

5. A compacting apparatus for power grid cores as defined in claim 4, characterized in that: The protection assembly comprises spring four (2015) and round rod three (2016); each pressing block (9) is fixed with a plurality of spring fours (2015); each spring four (2015) is fixed with a round rod three (2016), and the round rod three (2016) is slidably connected with the corresponding pressing block (9).

6. A compacting apparatus for power grid cores according to any one of claims 1-5, characterized in that: The camera is arranged in the cover (3).

7. A compacting apparatus for power grid cores as defined in claim 6, characterized in that: The dust collector is arranged in the cover (3).

8. A compacting apparatus for power grid cores as defined in claim 6, characterized in that: The dustless operation window is arranged on the cover (3).

9. A compacting apparatus for power grid cores as defined in claim 6, characterized in that: The anticorrosive layer is coated on the surfaces of the case (1) and the cover (3).

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