CN115351246A - Hydraulic ring main unit foundation steel mould - Google Patents

Abstract

The invention discloses a hydraulic ring main foundation steel mould, which relates to the technical field of mould demoulding and comprises an outer mould structure and an inner mould structure, wherein the outer mould structure comprises four outer mould side wall bodies, the four outer mould side wall bodies enclose a rectangle, the inner mould structure comprises an inner core mould body, the periphery of the inner core mould body is respectively arranged corresponding to the four outer mould side wall bodies, the periphery of the inner core mould body is respectively provided with the inner mould side wall bodies between the four outer mould side wall bodies, an inner mould demoulding angle is arranged between every two adjacent inner mould side wall bodies, and the bottom of the outer mould mechanism is provided with a supporting base. According to the invention, the outer mold side body moves through the mold opening slide way without manual demolding operation, so that demolding is stable and safe, a large amount of manpower is saved, the demolding oil cylinder drives the inner core body to descend, the product can be stably and quickly separated from the mold, the efficiency is high, and the quality of the product and the performance of gantry hoisting equipment for hoisting the product are not damaged.

Description

Hydraulic ring main unit foundation steel mould

Technical Field

The invention relates to the field of mold stripping, in particular to a hydraulic type ring main unit foundation steel mold.

Background

Demolding refers to a series of operations for stripping a steel ingot from a steel ingot mold. The time from the end of the steel ingot casting to the demoulding is called the transfer time of the steel ingot from the end of the steel ingot casting of the last ingot (lower pouring tray) of a barrel to the beginning of the demoulding (uncapping) of the first ingot. And (4) calming the steel ingot, wherein the heat-insulating cap can be removed until the steel ingot body is completely solidified, and demoulding can be carried out when the solidified layers of the semi-killed steel ingot and the boiling steel ingot reach a certain thickness.

The transit time of the various ingots in the mold depends on the solidification speed or the complete solidification time of the ingot and can be determined empirically or experimentally. In small steel mills, steel ingots with a unit weight of less than 3t are produced, and demolding operation is generally completed by a demolding (ingot) clamp or a lifting appliance additionally arranged on a general bridge crane. In a steel plant producing large steel ingots by the car pouring method, a demoulding (ingot) machine is adopted to operate between demoulding spans.

Traditional steel mould drawing of patterns mode is loaded down with trivial details, expend artifical many, efficiency is slow when form removal, assembled die, is difficult for following the mandrel and throw off when the product demolding, and is big to product quality and hoisting equipment loss, product quality damage and frock equipment incident easily appear.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to solve the technical problem of providing a hydraulic ring main foundation steel mould, wherein an outer mould side wall body moves through a mould opening slide way, manual demoulding operation is not needed, demoulding is stable and safe, a large amount of manpower is saved, an inner core mould body is driven to descend by a demoulding oil cylinder, a product can be stably and quickly separated from the mould, the efficiency is high, and the quality of the product and the performance of gantry hoisting equipment for hoisting the product are not damaged.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a hydraulic ring main foundation steel die which comprises an outer die structure and an inner die structure, wherein the outer die structure comprises four outer die side walls, the four outer die side walls enclose a rectangle, the inner die structure comprises an inner core die body, the periphery of the inner core die body is respectively arranged corresponding to the four outer die side walls, the periphery of the inner core die body is respectively provided with the inner die side walls between the four outer die side walls, an inner die demoulding angle is arranged between every two adjacent inner die side walls, the bottom of the outer die mechanism is provided with a supporting base, the bottom of the inner die demoulding angle and the bottom of the inner die side walls are both fixedly connected with the top of the supporting base, the periphery of the supporting base is respectively and fixedly provided with a die opening slideway, the four outer die side walls are respectively arranged on the die opening slideway, the positions of the four corners of the top of the supporting base are respectively and fixedly connected with vertically arranged demoulding oil cylinders, the tops of the demoulding oil cylinders are respectively and fixedly arranged at the positions of the four corners of the bottom of the inner core die body, and a locking mechanism is arranged between every two adjacent outer die side walls. When the mold is used, the outer mold side wall body moves through the mold opening slide way, manual demolding operation is not needed, demolding is stable and safe, a large amount of manpower is saved, the demolding oil cylinder drives the inner core mold body to descend, the product can be stably and quickly separated from the mold, efficiency is high, and the quality of the product and the performance of gantry hoisting equipment for hoisting the product are not damaged.

In a preferred technical scheme of the invention, the locking mechanism comprises an inserting plate fixed on one side of one of the outer mold side wall bodies and a locking plate fixed on one end of the adjacent outer mold side wall body, one side of the locking plate is provided with a socket, one end of the socket is arranged into an inclined plane, one end of the inserting plate is provided with an inclined plane matched with the socket, the inserting plate is inserted into the socket, a second clamping plate which is obliquely arranged is fixedly installed on one side of the locking plate far away from the outer mold side wall body and close to the inclined plane of the socket, and one end of the inserting plate is provided with a plurality of second inserting grooves matched with the second clamping plate. The plug board can be inserted into the socket when two adjacent outer mold side wall bodies are in butt joint, and in the inserting process, because the inclined planes are arranged on the socket and the plug board, the outer mold side wall bodies can be continuously and inwards close to each other when the plug board is continuously inserted into the socket, so that the outer mold side wall bodies are effectively fastened and fixed, and finally, the second clamping board can be clamped in one of the second slots to fix the two adjacent outer mold side wall bodies.

In a preferred technical scheme of the invention, a position, close to the socket, of the top of the locking plate is fixedly provided with a limiting insertion tube, one side, far away from the locking plate, of the bottom of the limiting insertion tube is provided with an opening, an insertion rod is inserted in the limiting insertion tube, the bottom of the insertion rod is fixedly connected with a first clamping plate, and the top of the insertion plate is provided with a first slot which is mutually clamped and matched with the first clamping plate. In the process that the inserting plate is continuously inserted into the inserting opening, the bottom of the first clamping plate is lapped at the top of the inserting plate and slides along the top of the inserting plate, and finally the first clamping plate is inserted into one of the first slots, so that the adjacent two outer mold side wall bodies are effectively fixed.

In a preferred technical scheme of the invention, an electric guide rail is fixedly mounted on the die opening slide way, the outer die side wall body slide way is arranged on the electric guide rail, a sealing block is fixedly mounted at the position, close to the supporting base, of the top of the die opening slide way, a sealing pad is sleeved outside the sealing block, and a sealing groove is formed in one side, close to the sealing block, of the outer die side wall body. When the outer mould lateral wall body moves to the innermost portion, the sealing block can be clamped in the sealing groove, the bottom of the outer mould lateral wall body is effectively supported and sealed, and the phenomenon that the mold forming effect is affected due to shaking is avoided.

In a preferred technical scheme of the invention, a telescopic groove is formed in the middle of one side of the outer mold side wall body close to the support base, a demoulding block is inserted in the telescopic groove, a threaded rod is rotatably arranged in the middle of one side of the demoulding block, the threaded rod penetrates through the outer mold side wall body and is connected with the outer mold side wall body through threads, and a rotating handle is fixedly mounted at one end of the threaded rod, which is far away from the demoulding block. When carrying out drawing of patterns operation, drive the threaded rod by rotating handle and rotate, and then drive the inside extrusion of drawing of patterns piece, realize the preliminary separation of outer mould side wall body and product, avoided that whole outer mould side wall body is direct to break away from with the product and break away from and unsmoothly, cause the problem of damage.

In a preferred technical scheme of the invention, a support rod is fixedly arranged at the bottom of one side of the outer mold side wall body, which is far away from the support base, and a second roller is rotatably arranged at the bottom of the support rod. The outer mold side wall body is further supported by the support rods, so that the stability of the outer mold side wall body is improved.

In a preferred technical scheme of the invention, the bottom positions of the two ends of the supporting rod are fixedly provided with supporting plates, the bottom of each supporting plate is fixedly provided with a vertically arranged electric telescopic rod, the bottom of each electric telescopic rod is fixedly provided with a supporting bottom plate, and the bottom of each supporting bottom plate is uniformly provided with anti-skid protrusions. When the outer mold side wall body is used, the supporting bottom plate is driven by the electric telescopic rod to move downwards and is supported on the ground by the supporting bottom plate, so that the supporting rod is effectively fixed, and the stability of the outer mold side wall body is improved.

In a preferred technical scheme of the invention, two mounting plates are fixedly mounted at the bottom of the outer mold side wall body far away from the support base, the two mounting plates are respectively positioned at two ends of the top of the mold opening slide way, the bottom of each mounting plate is provided with a mounting groove, the inner wall of the top of each mounting groove is fixedly provided with a magnet, the positions of the top of the mold opening slide way close to two ends of the support base are both provided with contraction grooves, the inner wall of the bottom of each contraction groove is fixedly provided with a spring, the top of each spring is fixedly provided with a magnetic block, and the magnetic blocks and the mounting grooves are mutually spliced and matched. When the outer mold side wall body moves to the position of the mold combination, the magnetic block moves upwards under the attraction of the magnet and is finally clamped in the mounting groove, and the outer mold side wall body is finally and stably fixed.

In a preferred technical scheme of the invention, a first roller is rotatably mounted on one side of the plug board close to the inclined plane of the socket, and the first roller is arranged on the inclined plane of the socket in a rolling manner. In the process that the inserting plate is inserted into the socket, the first roller can effectively reduce the abrasion between the inserting plate and the socket, and the service life of the device is prolonged.

In a preferred technical scheme of the invention, an operation platform is fixedly installed on the outer side of one of the outer mold side wall bodies, and a guardrail is fixedly installed at the top of the operation platform. The staff can stand and carry out the construction operation on operation platform, improves and the convenience of mould shaping operation.

The invention has the beneficial effects that:

when the hydraulic ring main unit foundation steel die is used, the outer die side wall body moves through the die opening slide way without manual demoulding operation, so that demoulding is stable and safe, a large amount of manpower is saved, the demoulding oil cylinder drives the inner core die body to descend, a product can be stably and quickly separated from the die, the efficiency is high, and the quality of the product and the performance of gantry hoisting equipment for hoisting the product are not damaged.

The plug board can be inserted into the socket when two adjacent outer mold side wall bodies are in butt joint, and in the inserting process, because the inclined planes are arranged on the socket and the plug board, the outer mold side wall bodies can be continuously and inwards close to each other when the plug board is continuously inserted into the socket, so that the outer mold side wall bodies are effectively fastened and fixed, and finally, the second clamping board can be clamped in one of the second slots to fix the two adjacent outer mold side wall bodies.

In the process that the inserting plate is continuously inserted into the inserting opening, the bottom of the first clamping plate is overlapped on the top of the inserting plate and slides along the top of the inserting plate, and finally the first clamping plate is inserted into one of the first slots, so that the adjacent two outer mold side wall bodies are effectively fixed.

When carrying out drawing of patterns operation, drive the threaded rod by rotating handle and rotate, and then drive the inside extrusion of drawing of patterns piece, realize the preliminary separation of outer mould side wall body and product, avoided that whole outer mould side wall body is direct to break away from with the product and break away from and unsmoothly, cause the problem of damage.

Drawings

Fig. 1 is a schematic view of an overall structure of a hydraulic ring main unit foundation steel mold according to the present invention;

fig. 2 is a schematic diagram of an internal partial structure of a hydraulic ring main unit foundation steel mold provided by the present invention;

fig. 3 is a schematic bottom structure diagram of a hydraulic ring main unit foundation steel mold according to the present invention;

fig. 4 is a schematic top view of a convex plug board and a plug socket in a steel mold of a hydraulic ring main unit foundation according to the present invention;

fig. 5 is a schematic structural view showing a front side of a second clamping plate in a steel mold of a hydraulic ring main unit foundation according to the present invention;

FIG. 6 is a schematic diagram of a front cross-sectional structure of a convex sealing block in a basic steel mold of a hydraulic ring main unit according to the present invention;

fig. 7 is a schematic view of a top view structure of a mounting plate highlighted in a steel mold of a hydraulic ring main unit foundation according to the present invention;

fig. 8 is a schematic cross-sectional structural view of the front side of the magnetic block in the steel mold of the hydraulic ring main unit foundation according to the present invention;

fig. 9 is a schematic top view of a supporting plate highlighted by a steel mold of a hydraulic ring main unit foundation according to the present invention;

fig. 10 is a schematic side structure view of the electric telescopic rod highlighted in the basic steel mold of the hydraulic ring main unit provided by the invention.

In the figure:

1-outer mould side wall body; 2-inner mould side wall; 3-an inner core mould body; 4-internal mold draft angle; 5-opening the die slide; 6-operating the platform; 7-guardrails; 8-a locking mechanism; 9-a demoulding oil cylinder; 10-a support base; 11-inserting plates; 12-a locking plate; 13-a first slot; 14-a second slot; 15-a socket; 16-a second card; 17-a first roller; 18-a first card; 19-a limiting cannula; 20-inserting a rod; 21-a second roller; 22-a support bar; 23-turning the handle; 24-a threaded rod; 25-demoulding; 26-a sealing groove; 27-a seal pad; 28-a sealing block; 29-an electric guide rail; 30-a mounting plate; 31-a magnet; 32-a magnetic block; 33-a spring; 34-a support plate; 35-an electric telescopic rod; 36-a support floor; 37-anti-slip bulge.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 10, an embodiment provides a hydraulic ring main foundation steel mold, which includes an outer mold structure and an inner mold structure, the outer mold structure includes four outer mold side walls 1, and the four outer mold side walls 1 enclose a rectangle, the inner mold structure includes an inner core mold body 3, the periphery of the inner core mold body 3 corresponds to the four outer mold side walls 1, inner mold side walls 2 are disposed between the four outer mold side walls 1, an inner mold draft angle 4 is disposed between two adjacent inner mold side walls 2, a support base 10 is disposed at the bottom of the outer mold mechanism, the bottoms of the inner mold draft angle 4 and the inner mold side walls 2 are fixedly connected to the top of the support base 10, mold opening slideways 5 are fixedly mounted at the periphery of the support base 10, the four outer mold side walls 1 are respectively slidably disposed on the mold opening slideways 5, demolding oil cylinders 9 vertically disposed at the top four corners of the support base 10 are fixedly connected to the top, and the tops of the demolding oil cylinders 9 are respectively fixedly mounted at the bottom four corners of the inner core side walls 3, and locking mechanisms 8 are disposed between two adjacent outer mold sides 1.

Further, the locking mechanism 8 comprises a plug board 11 fixed on one side of one of the outer mold side wall bodies 1 and a locking board 12 fixed on one end of the adjacent outer mold side wall body 1, a socket 15 is formed in one side of the locking board 12, one end of the socket 15 is set to be an inclined plane, one end of the plug board 11 is provided with an inclined plane matched with the socket, the plug board 11 is inserted into the socket 15, an inclined second clamping board 16 is fixedly installed on one side of the locking board 12 far away from the outer mold side wall body 1 and close to the inclined plane of the socket 15, one end of the plug board 11 is provided with a plurality of second slots 14 matched with the second clamping board 16, the two adjacent outer mold side wall bodies 1 are butted and made, the plug board 11 can be inserted into the socket 15, in the inserting process, because the inclined planes are respectively arranged on the socket 15 and the plug board 11, the outer mold side wall bodies 1 can continuously approach inwards in the inserting process of the socket 15, and further effective fastening and fixing of the two adjacent outer mold side wall bodies 1 can be realized, and finally, the second clamping board 16 can be clamped in one of the second slots 14.

The top of locking plate 12 is close to the position department fixed mounting of socket 15 has spacing intubate 19, the opening has been seted up to the one side that locking plate 12 was kept away from to the bottom of spacing intubate 19, it has inserted bar 20 to peg 19 interpolation, the first cardboard 18 of bottom fixedly connected with of inserted bar 20, the first slot 13 with the mutual joint adaptation of first cardboard 18 is seted up at the top of picture peg 11, at the continuous in-process that inserts in to socket 15 of picture peg 11, the top at picture peg 11 can be taken to the bottom of first cardboard 18, and slide along the top of picture peg 11, finally insert in one of them first slot 13, realize effectively fixing two adjacent outer mould lateral wall 1.

Specifically, fixed mounting has electronic guide rail 29 on the die sinking slide 5, 1 slide of outer mould lateral wall body sets up on electronic guide rail 29, die sinking slide 5 top is close to the position department fixed mounting who supports base 10 and has sealed piece 28, and sealed piece 28 has cup jointed sealed pad 27 outward, seal groove 26 has been seted up to one side that outer mould lateral wall body 1 is close to sealed piece 28, when outer mould lateral wall body 1 moves innermost, sealed piece 28 can block in seal groove 26, realize 1 effectual support in bottom of outer mould lateral wall body and sealed, avoid producing to rock and influence mould shaping effect.

Outer mould side wall body 1 has been close to the middle part position that supports base 10 one side and has been seted up flexible groove, and flexible inslot has been pegged graft demoulding piece 25, one side middle part rotation of demoulding piece 25 is provided with threaded rod 24, and threaded rod 24 runs through to outer mould side wall body 1 outside and be connected with outer mould side wall body 1 through the screw thread, threaded rod 24 keeps away from demoulding piece 25's one end fixed mounting and has rotated handle 23, when carrying out drawing of patterns operation, it rotates to drive threaded rod 24 by rotating handle 23, and then drive demoulding piece 25 and inwards extrude, realize that outer mould side wall body 1 and product tentatively break away from, avoided whole outer mould side wall body 1 directness and product to break away from and break away from unsmoothly, cause the problem of damage.

The bottom of one side of outer mould side wall body 1, which is far away from supporting base 10, is fixedly provided with a supporting rod 22, the bottom of supporting rod 22 is rotatably provided with a second roller 21, supporting rod 22 further supports outer mould side wall body 1, and the stability of outer mould side wall body 1 is improved.

The equal fixed mounting in both ends bottom position of bracing piece 22 has backup pad 34, and the bottom fixed mounting of backup pad 34 has the electric telescopic handle 35 of vertical setting, the bottom fixed mounting of electric telescopic handle 35 has supporting baseplate 36, supporting baseplate 36's bottom evenly is provided with non-slip raised 37, when using outer mould side wall body 1, drive supporting baseplate 36 downstream by electric telescopic handle 35, support subaerial by supporting baseplate 36, the realization is to the effectual fixed of bracing piece 22, the stability of outer mould side wall body 1 has been improved.

Outer mould lateral wall 1 keeps away from the bottom fixed mounting who supports base 10 and has two mounting panels 30, and two mounting panels 30 are located the top both ends of die sinking slide 5 respectively, mounting groove has been seted up to mounting panel 30's bottom, and mounting groove's top inner wall fixed mounting has magnet 31, the shrink groove has all been seted up to die sinking slide 5 top near the both ends position that supports base 10, and the bottom inner wall fixed mounting in shrink groove has spring 33, spring 33's top fixed mounting has magnetic block 32, magnetic block 32 and mounting groove are the adaptation of pegging graft each other, after outer mould lateral wall 1 removed the position of mould combination, magnetic block 32 received magnet 31's attraction rebound, and finally block in mounting groove, realize the final stable fixed of outer mould lateral wall 1, during the drawing of patterns, pull down the magnetic block from the side in shrink groove, realize breaking away from of magnetic block and mounting groove.

One side of the plugboard 11 close to the inclined plane of the socket 15 is rotatably provided with a first roller 17, the first roller 17 is arranged on the inclined plane of the socket 15 in a rolling manner, and in the process that the plugboard 11 is inserted into the socket 15, the first roller 17 can effectively reduce the abrasion between the plugboard 11 and the socket 15, thereby prolonging the service life of the device

One of them outer mould side wall body 1's outside fixed mounting has operation platform 6, and operation platform 6's top fixed mounting has guardrail 7, and the staff can stand and carry out construction operation on operation platform 6, improves and the convenience of mould shaping operation.

During the use, outer mould lateral wall body 1 removes through the die sinking slide, does not need the manual work to go the drawing of patterns operation again, and not only the drawing of patterns is stable safe, and has saved a large amount of manpowers, drives inner core die body 3 by drawing of patterns hydro-cylinder 9 and descends, and the product can be steady, quick breaking away from with the mould, and is efficient, and does not harm the quality of product and the longmen that lifts by crane the product and lifts by crane the performance of equipment.

Other techniques of the present embodiment employ existing techniques.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims (10)

1. The utility model provides a hydraulic type looped netowrk case basis steel mould, includes external mold structure and centre form structure, a serial communication port, the external mold structure includes four outer mould lateral wall body (1), and four outer mould lateral wall body (1) enclose into a rectangle, the centre form structure includes inner core die body (3), the inner core die body (3) correspond the setting with four outer mould lateral wall body (1) respectively all around, be provided with inner mould lateral wall body (2), adjacent two between inner mould lateral wall body (2) the bottom of outer mould mechanism is provided with support base (10) respectively and four outer mould lateral wall body (1) the bottom of inner mould lateral wall body (3) all with the top fixed connection who supports base (10), the equal fixed mounting all around that supports base (10) has die sinking slide (5), four outer mould lateral wall body (1) set up respectively on slide (5), the equal fixedly connected with hydro-cylinder (9) of the vertical setting in top four corners position of support base (10), and the top fixed mounting is in the hydro-cylinder (9) of the top of the adjacent side wall body (3) between the slide (1) of outer mould lateral wall body (3), and the die sinking slide (8) is provided with the die sinking slide respectively.

2. The steel mould as claimed in claim 1, wherein the locking mechanism (8) comprises a plug board (11) fixed on one side of one of the outer mould side wall bodies (1) and a locking board (12) fixed on one end of the adjacent outer mould side wall body (1), a socket (15) is formed on one side of the locking board (12), one end of the socket (15) is arranged to be an inclined plane, one end of the plug board (11) is provided with an inclined plane matched with the socket, the plug board (11) is inserted into the socket (15), a second clamping board (16) which is obliquely arranged is fixedly arranged at the position of the inclined plane close to the socket (15) and on one side of the outer mould side wall body (1) and is far away from the locking board (12), and a plurality of second slots (14) matched with the second clamping board (16) are formed in one end of the plug board (11).

3. The hydraulic ring main unit foundation steel die as claimed in claim 2, wherein a position, close to the insertion opening (15), of the top of the locking plate (12) is fixedly provided with a limiting insertion tube (19), one side, away from the locking plate (12), of the bottom of the limiting insertion tube (19) is provided with an opening, an insertion rod (20) is inserted into the limiting insertion tube (19), the bottom of the insertion rod (20) is fixedly connected with a first clamping plate (18), and the top of the insertion plate (11) is provided with a first insertion groove (13) which is in mutual clamping fit with the first clamping plate (18).

4. The hydraulic ring main unit foundation steel die as claimed in claim 1, wherein an electric guide rail (29) is fixedly mounted on the die opening slide (5), an outer die side wall body (1) slide is arranged on the electric guide rail (29), a sealing block (28) is fixedly mounted at a position close to the supporting base (10) at the top of the die opening slide (5), a sealing gasket (27) is sleeved outside the sealing block (28), and a sealing groove (26) is formed in one side of the outer die side wall body (1) close to the sealing block (28).

5. The steel mould as claimed in claim 1, wherein a telescopic slot is formed in a middle position of the outer mould side wall (1) close to one side of the support base (10), a demoulding block (25) is inserted in the telescopic slot, a threaded rod (24) is rotatably arranged in the middle of one side of the demoulding block (25), the threaded rod (24) penetrates through the outer mould side wall (1) and is connected with the outer mould side wall (1) through threads, and a rotating handle (23) is fixedly mounted at one end of the threaded rod (24) far away from the demoulding block (25).

6. The steel mould as claimed in claim 1, wherein a support rod (22) is fixedly installed at the bottom of one side of the outer mould side wall (1) far away from the support base (10), and a second roller (21) is rotatably installed at the bottom of the support rod (22).

7. The steel mould as claimed in claim 6, wherein the supporting rods (22) are fixedly mounted with supporting plates (34) at bottom positions of two ends, the supporting plates (34) are fixedly mounted with electric telescopic rods (35) vertically arranged at bottoms of the supporting plates, the supporting plates (36) are fixedly mounted at bottoms of the electric telescopic rods (35), and the anti-slip protrusions (37) are uniformly arranged at bottoms of the supporting plates (36).

8. The hydraulic ring main unit foundation steel die as claimed in claim 7, wherein the outer die side wall (1) is far away from the bottom fixed mounting of the supporting base (10) and has two mounting plates (30), and the two mounting plates (30) are respectively located at the top ends of the die sinking slide (5), the bottom of the mounting plate (30) is provided with a mounting groove, and the top inner wall fixed mounting of the mounting groove is provided with a magnet (31), the positions of the top of the die sinking slide (5) close to the two ends of the supporting base (10) are both provided with a shrinkage groove, and the bottom inner wall fixed mounting of the shrinkage groove is provided with a spring (33), the top fixed mounting of the spring (33) is provided with a magnetic block (32), and the magnetic block (32) and the mounting groove are mutually inserted and connected to form.

9. The steel mould as claimed in claim 1, wherein the inserting plate (11) is rotatably provided with a first roller (17) at one side close to the inclined plane of the inserting opening (15), and the first roller (17) is arranged on the inclined plane of the inserting opening (15) in a rolling manner.

10. The steel mould as claimed in claim 1, wherein an operation platform (6) is fixedly installed on the outer side of one of the outer mould side wall bodies (1), and a guardrail (7) is fixedly installed on the top of the operation platform (6).

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