CN109624205B

CN109624205B - Injection mold for manufacturing inner cavity product through parallel material removal of injection molding press fit

Info

Publication number: CN109624205B
Application number: CN201811590256.7A
Authority: CN
Inventors: 赵建挺
Original assignee: Yueqing Xinyi Technology Co Ltd
Current assignee: Ningbo Rongwei Intelligent Kitchenware Technology Co ltd
Priority date: 2018-12-25
Filing date: 2018-12-25
Publication date: 2020-11-24
Anticipated expiration: 2038-12-25
Also published as: CN109624205A

Abstract

The invention discloses an injection mold for manufacturing an inner cavity product through parallel material removal of injection pressing, which structurally comprises: the base, the catch bar, the movable block, the material device is removed to intelligence, the extrusion of injection molding machine is pushed down and under the activity of the alignment jig in inside is spacing through inside casing frame, make the stable output that carries on rolling forward of inside cooperation piece, can automatically cooperate the striking off work that the injection molding machine moved about, reduce staff's working strength, and make the electromagnetic block of below displace forward ejecting simultaneously, the support piece of rear side is spacing with the activity of spring down, make the below strike off the stable forward of frame, and carry out the horizontally branch to the cutting through striking off the frame, make the mould can be steady carry out the cutting work of inside runner piece, make the incision level, prevent that the finished product from damaging.

Description

Injection mold for manufacturing inner cavity product through parallel material removal of injection molding press fit

Technical Field

The invention relates to the field of inner cavity processing, in particular to an injection mold which is used for manufacturing inner cavity products and adopts parallel material removal through injection molding and pressing.

Background

Current inner chamber processing is usually after adopting injection mold compound die, send into the inside back of equipment through the plastic granules of injection molding machine after with high fever melting to inside a runner of moulding plastics makes the plastic get into the inside die cavity of mould through inside, cooling shaping, and the die sinking forms the finished product, but with such mode:

1. when the injection molding is carried out, plastic particles are fed into the injection molding runner through the inner part, after the injection molding is completed, a plastic runner block which is left after injection molding can appear on the plastic mold after the mold is opened, after a finished product is taken out, the removal work of the runner block is carried out through a scraper knife, the runner block cannot be removed through the mold, and the working strength of workers is enhanced.

2. And when carrying out the during operation, get rid of the work of cutting with manual mode through the staff, be difficult to when carrying out cutting work, can have certain horizontal fulcrum to block to cutting recess appears easily, and the cutting is uneven, appears cutting damage off-the-shelf condition and appears, thereby causes the unavailable phenomenon of article to appear.

Disclosure of Invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the parallel through moulding plastics pressfitting goes the injection mold who is used for making inner chamber product of expecting, and its structure includes: the intelligent material removing device comprises a base, a push rod, a movable block and an intelligent material removing device, wherein the movable block is arranged on the upper side end face of the base and is movably installed together with the base in a clamped mode, the push rod is embedded into the movable block and is movably connected with the movable block in a clearance fit embedded mode, the intelligent material removing device and the movable block are parallel up and down and are clamped together through a guide pillar fixed connection inside the intelligent material removing device, and a horizontal rectangular block is arranged on the bottom side end face of the push rod.

As a further optimization of the invention, the intelligent material removing device is provided with a supporting block, a movable matching frame and an output cutting frame, the output cutting frame is positioned on the lower side end face of the movable matching frame and is in matching connection with the interactive matching frame through a wheel body, the movable matching frame is embedded into the center of the inner side end face of the supporting block and is in through connection to form an integrated structure, and the supporting block is a rectangular special-shaped block of which the outer side is provided with four through holes.

As a further optimization of the invention, the movable matching frame is provided with an adjusting frame, a displacement frame, a matching block, a sleeve frame and a curved frame, the sleeve frame is arranged in the curved frame and movably connected with the curved frame in a clearance fit manner through rolling and clamping in the sleeve frame, the matching block is positioned on the front surface of the sleeve frame and fixedly connected with the sleeve frame in a welding manner, the adjusting frame is perpendicular to the upper side end face of the matching block and movably connected with the matching block, the displacement frame wraps the outer side end face of the matching block and is movably connected with the outer side end face of the matching block, and a bent clamping type slide way structure is arranged in the curved frame.

As a further optimization of the invention, the adjusting bracket is provided with a fixed seat, a driving rod, a protective block, a movable rod and a hinged seat, the movable rod is embedded into the left end and the right end of the hinged seat and is movably connected with the hinged seat, the driving rod is vertical to the upper side end face of the hinged seat and is fixed with the hinged seat to form an integrated structure, the protective block wraps the outer side end face of the driving rod and is connected with the outer side end face of the driving rod in a matching manner, and the fixed seat is vertical to the upper side end face of the driving rod and is connected together in an embedded welding manner.

As a further optimization of the invention, the sleeve frame is provided with a roller rod, a stop block, a protection plate and a limiting block, the stop block and the limiting block are perpendicular to each other and are fixedly connected with the limiting block in a welding mode, the roller rod is embedded into the limiting block in a penetrating mode and is fixedly connected with the limiting block, the protection plate is positioned between the stop blocks and is welded with the stop blocks into an integrated structure, and the roller rod is of a special-shaped structure, wherein a bendable rod body is arranged on the rear side of the groove wheel.

As a further optimization of the invention, the output cutting frame is provided with a scraping frame, an electromagnetic block, a spring and a support block, the spring is arranged on the front end surface of the support block and is fixed with the support block through threads, the electromagnetic block is arranged on the front end surface of the spring and is connected with the spring in a fixed installation manner, the scraping frame is arranged on the front end surface of the electromagnetic block and is connected with the electromagnetic block in a welding manner, and the electromagnetic block is an iron core block with a coil wrapped inside.

As a further optimization of the present invention, the scraping frame is provided with an auxiliary rod, an oblique rod, a displacement rod, a casing frame and a scraping block, the scraping block is arranged on the front end surface of the auxiliary rod and is fixedly connected with the auxiliary rod in a plate welding manner, the oblique rod is positioned on the rear end surface of the auxiliary rod, the oblique rod and the auxiliary rod are fixedly fitted together, the displacement rod is embedded in the oblique rod and is connected with the oblique rod in a clearance fit manner, and the casing frame is vertically arranged on the outer end surface of the displacement rod, and is welded together through a rectangular block.

As a further optimization of the invention, the movable rod is a bent plate-shaped structure provided with a transverse spring column at the lower part.

As a further optimization of the invention, a transverse groove-shaped slideway structure is arranged on the lower end face of the casing frame, and the oblique rod is a plate-type oblique displacement structure provided with a magnetic block at the rear end.

Advantageous effects

The invention is applied to an injection mold which is pressed by injection and used for manufacturing inner cavity products and has parallel material removal, when the injection mold is in injection, the mold is closed in advance, then the mold is sent to the upper part of an injection molding machine, then the mold is fixedly connected with the injection molding machine through a threaded hole on a stop block in an inner sleeve frame, then the injection molding machine is pressed downwards to be connected with the mold, the mold is pressed downwards by the extrusion of the injection molding machine, under the matching of a driving rod in an inner adjusting frame and a hinged seat at the lower end, the movable adjustment of the movable rod can be realized according to the change of a wheel rod when the wheel rod outputs downwards and is used for fixedly pressing, so that the inner matching block stably outputs forwards in a rolling way, the injection molding machine can be automatically matched for the movable scraping work, the working strength of workers is reduced, and the electromagnetic block below is enabled to move forwards while being ejected, under the movable limit of the support block and the spring at the rear side, the scraping frame below is enabled to move forwards stably, and the sleeve frame in the scraping frame is pushed forwards by the displacement rod inside, then the front runner block is cut off, after one end is cut off, and then the electromagnetic block below is electrified, the generated magnetism enables the front oblique rod to slide and displace on the displacement rod, the auxiliary rod pushes the front scraping block forwards movably, then the residual small blocks of the internal flow passage block are removed through the scraping block, so that layered horizontal direction cutting is carried out, and at the moment, the mould is not opened, the position can be limited by the internal template, so that the cutting is smooth, then the layering cutting of cutter also can make the mould can be steady carry out the cutting work of inside runner piece for the incision is level and smooth, prevents that the finished product from damaging.

According to the invention, the movable matching frame is matched with the output cutting frame, the internal matching block is stably and forwardly output by being pressed down by the extrusion of the injection molding machine through the internal sleeve frame and under the movable limit of the internal adjusting frame, the movable scraping work of the injection molding machine can be automatically matched, the working strength of workers is reduced, the lower electromagnetic block is forwardly displaced while being ejected, the lower scraping frame is stably and forwardly moved under the movable limit of the support block at the rear side and the spring, and the horizontal direction cutting is carried out through the scraping frame, so that the cutting work of the internal flow passage block can be stably carried out by the mold, the cut is smooth, and the finished product is prevented from being damaged.

The scraping device is fixed with an injection molding machine through the inner blocking block through the adjusting frame and the sleeve frame, when the injection molding machine is pressed in, the inner blocking block presses the lower roller rod to enable the roller rod to extend downwards, so that the lower scraping frame is opened to perform injection molding work, after the pressure of the injection molding machine is lost, the roller rod resets to enable the scraping frame to be sealed, so that automatic removal work is performed, and the movable rod is matched with the roller rod through the activity of the hinge seat on the active rod during removal, so that the output direction of the roller rod is limited in a vertical mode, and the scraping work is more stable.

According to the scraping frame, the displacement rod is stressed forwards and backwards, the upper sleeve frame moves forwards to remove a certain amount of gaps from the flow channel blocks, then the inner oblique rod moves forwards under the action of the magnetic force, and the front auxiliary rod is pushed to push out the scraping block with higher inclination so as to cut the residual small-end flow channel blocks in parallel, so that the equipment can be cut in a layered mode, and the cut openings are smoother.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic front view of a main body of an injection mold for manufacturing an inner cavity product through injection pressing and parallel material removal.

FIG. 2 is a schematic diagram of a cross-sectional mechanism of a cleaning, grinding and cutting device of an injection mold for manufacturing a cavity product by injection pressing and parallel material removal.

FIG. 3 is a schematic structural diagram of a movable fitting frame of an injection mold for manufacturing an inner cavity product through injection molding and pressing parallel material removal.

FIG. 4 is a schematic diagram of the movable displacement structure of the adjusting bracket of the injection mold for manufacturing the inner cavity product through injection molding and pressing parallel material removal.

FIG. 5 is a schematic structural diagram of a sleeve holder of an injection mold for manufacturing an inner cavity product by injection pressing and parallel material removal.

FIG. 6 is a schematic structural diagram of an output cutting frame of an injection mold for manufacturing an inner cavity product through injection pressing and parallel material removal.

Fig. 7 is a schematic view of the movable displacement structure of the scraping frame of the injection mold for manufacturing inner cavity products through injection molding and pressing parallel material removal.

In the figure: the device comprises a base-1, a push rod-2, a movable block-3, an intelligent material removing device-4, a supporting block-41, a movable matching frame-42, an output cutting frame-43, an adjusting frame-421, a displacement frame-422, a matching block-423, a sleeve frame-424, a curved frame-425, a fixed seat-4211, an active rod-4212, a protective block-4213, a movable rod-4214, a hinged seat-4215, a roller rod-4241, a stop block-4242, a protective plate-4243, a limit block-4244, a scraping frame-431, an electromagnetic block-432, a spring-433, a supporting seat block-434, an auxiliary rod-4311, an inclined rod-4312, a displacement rod-4313, a sleeve frame-4314 and a scraping block-4315.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Examples

Referring to fig. 1, the present invention provides an injection mold for manufacturing a cavity product by injection-compression parallel material removal, which comprises: base 1, catch bar 2, movable block 3, intelligence remove material device 4, movable block 3 locates the upside terminal surface of base 1 and is in the same place with base 1 block movable mounting, catch bar 2 imbeds movable block 3's inside and adopts the embedded swing joint of clearance fit with movable block 3, intelligence removes material device 4 and movable block 3 parallel from top to bottom both through inside guide pillar fixed connection joint together, the bottom side terminal surface of catch bar 2 is equipped with a horizontally rectangular block, can be better through the output of carrying on the atress of horizontally rectangular block physical stamina.

Referring to fig. 2, the present invention provides an injection mold for manufacturing a cavity product by injection-compression parallel material removal, which comprises: the intelligent material removing device 4 is provided with a supporting block 41, a movable matching frame 42 and an output cutting frame 43, the output cutting frame 43 is located on the lower side end face of the movable matching frame 42 and is connected with the interactive matching frame 42 in a wheel body matching mode, the movable matching frame 42 is embedded into the center of the inner side end face of the supporting block 41, the two centers of the inner side end face of the supporting block are connected in a penetrating mode to form an integrated structure, the supporting block 41 is a special-shaped block with four through holes in the rectangular outer side, and cylindrical guide columns for fixing can be led into the four through holes for fixing and limiting work of equipment.

Referring to fig. 3, the present invention provides an injection mold for manufacturing a cavity product by injection-compression parallel material removal, which comprises: the movable matching frame 42 is provided with an adjusting frame 421, a displacement frame 422, a matching block 423, a sleeve frame 424 and a curved frame 425, the sleeve frame 424 is arranged in the curved frame 425 and is clamped by the curved frame 425 through rolling in the inner part to be movably connected in a clearance fit mode, the matching block 423 is arranged on the front surface of the sleeve frame 424 and is fixedly connected with the sleeve frame 424 in a welding mode, the adjusting frame 421 is perpendicular to the upper side end surface of the matching block 423 and is movably connected with the matching block 423, the displacement frame 422 wraps the outer side end surface of the matching block 423 and is movably connected with the outer side end surface, the curved frame 425 is provided with a bending clamping type slide way structure, and the inner equipment can better perform fixed anti-disengagement activity work during sliding displacement through the clamping type slide way structure.

Referring to fig. 4, the present invention provides an injection mold for manufacturing a cavity product by injection-compression parallel material removal, which comprises: the adjusting bracket 421 is provided with a fixed seat 4211, a driving rod 4212, a protection block 4213, a movable rod 4214 and a hinged seat 4215, the movable rod 4214 is embedded into the left end and the right end of the hinged seat 4215 and is movably connected with the hinged seat 4215, the driving rod 4212 is perpendicular to the upper end face of the hinged seat 4215 and is fixed with the hinged seat 4215 to form an integrated structure, the protection block 4213 wraps the outer end face of the driving rod 4212 and is connected in a matching mode, the fixed seat 4211 is perpendicular to the upper end face of the driving rod 4212 and is connected together in an embedded welding mode, the movable rod 4214 is of a bent plate-shaped structure with a transverse spring column below, and the movable rod 4214 can change in shape according to the displacement movement of the roller rod 4241 when contacting the roller rod 4241 through a spring below, so that the pressing and limiting work can be performed more stably.

Referring to fig. 5, the present invention provides an injection mold for manufacturing a cavity product by injection-compression parallel material removal, which comprises: the sleeve frame 424 is provided with a roller rod 4241, a stop block 4242, a protection plate 4243 and a limit block 4244, the stop block 4242 and the limit block 4244 are perpendicular to each other and fixedly connected with the limit block 4244 in a welding mode, the roller rod 4241 is embedded into the limit block 4244 in a penetrating mode and fixedly connected with the limit block 4244, the protection plate 4243 is located between the stop blocks 4242 and is welded with the stop block 4242 to form an integrated structure, the roller rod 4241 is a special-shaped structure with a bendable rod body arranged on the rear side of a groove wheel, clamping and rolling work is carried out through the groove wheel, and the bendable rod body is used for joint work between the rod body.

Referring to fig. 6, the present invention provides an injection mold for manufacturing a cavity product by injection-compression parallel material removal, which comprises: the output cutting frame 43 is provided with a scraping frame 431, an electromagnetic block 432, a spring 433 and a support block 434, wherein the spring 433 is arranged on the front end surface of the support block 434 and is fixed with the support block 434 in a threaded manner, the electromagnetic block 432 is arranged on the front end surface of the spring 433 and is connected with the spring 433 in a fixed mounting manner, the scraping frame 431 is arranged on the front end surface of the electromagnetic block 432 and is connected with the electromagnetic block 432 in a welding manner, the electromagnetic block 432 is an iron core block wrapped by a coil, the coil is electrified to enable the iron core block inside to be capable of generating magnetism, and the magnetism is changed in the flowing direction of current.

Referring to fig. 7, the present invention provides an injection mold for manufacturing a cavity product by injection-compression parallel material removal, which comprises: the scraping frame 431 is provided with an auxiliary rod 4311, an inclined rod 4312, a displacement rod 4313, a casing frame 4314 and a scraping block 4315, the scraping block 4315 is arranged on the front end surface of the auxiliary rod 4311 and fixedly connected with the auxiliary rod 4311 in a plate welding manner, the inclined rod 4312 is arranged on the rear end face of the auxiliary rod 4311 and fixedly fitted together, the displacement rod 4313 is embedded in the inclined rod 4312 and connected with the inclined rod 4312 in a clearance fit manner, the casing frame 4314 is vertically arranged on the outer end face of the displacement rod 4313 and welded together through a rectangular block, the lower end face of the casing frame 4314 is provided with a transverse groove-shaped slideway structure, internal equipment can be stably connected with the scraping block 4315 on the outer side in a sliding manner through the groove-shaped slideway structure, the inclined rod 4312 is a plate-type inclined displacement structure provided with a magnetic block at the rear end, is used for attracting and repelling the electromagnetic block 432, and can enable the scraping block 4315 to perform longer ejection cutting work through an inclined structure.

When the injection molding is carried out, after the mold is closed in advance, the mold is conveyed to the upper part of the injection molding machine, then the mold is fixedly connected with the injection molding machine through a threaded hole on a stop block 4242 in an inner sleeve frame 4314, then the injection molding machine is pressed downwards to be connected with the mold, the movable rod 4214 can be movably adjusted and fixedly pressed according to the change of a wheel rod when the wheel rod 4241 is downwards output under the extrusion pressing of the injection molding machine and under the movable limit of movable rods 4214 at two ends under the matching of a driving rod 4212 in an inner adjusting frame 421 and a hinged seat 4215 at the lower end, so that an inner matching block 423 is stably and forwards rolled to be automatically matched with the injection molding machine for movable scraping work, the working strength of workers is reduced, the electromagnetic block 432 at the lower part is forwardly displaced while being ejected, and under the movable limit of a support block 434 at the rear side and a spring 433, the scraping frame 431 below is made to move forwards stably, the sleeve frame 4314 in the scraping frame 431 is pushed forwards by the inner displacement rod 4313, the front flow channel block is cut off, after one end is cut, the electromagnetic block 432 below is electrified, the front inclined rod 4312 is made to perform sliding displacement on the displacement rod 4313 through generated magnetism, the scraping block 4315 in front is pushed forwards movably through the auxiliary rod 4311, the residual small block of the inner flow channel block is removed through the scraping block 4315, layered horizontal direction cutting is performed, mold opening is not performed at the moment, limiting operation can be performed through the inner template, cutting is smooth, layered cutting of a cutter is performed, the mold can be made to perform cutting operation of the inner flow channel block stably, the cut is smooth, and finished products are prevented from being damaged.

The invention solves the problem that when the injection molding is carried out, after plastic particles are fed through an internal injection molding runner to complete injection molding, a plastic inlet runner block left after injection molding can appear on a plastic mold after mold opening, after a finished product is taken out, the runner block can be manually removed through a scraper knife, the runner block can not be automatically removed through the mold, the working strength of a worker is enhanced, the worker can manually remove and cut the plastic particles, the cutting work is difficult to be carried out, a certain horizontal fulcrum can be blocked when the cutting work is carried out, so that a cutting groove is easy to appear, the cutting is uneven, the finished product is damaged by cutting, and the phenomenon that the product is unavailable is caused can be caused, the plastic particles are mainly matched through a movable matching frame 42 and an output cutting frame 43, and the internal sleeve frame is pressed down by the extrusion of an injection molding machine and is limited by the movement of an internal adjusting frame, the inner matching block is stably output in a forward rolling mode, the automatic matching injection molding machine can be automatically matched for carrying out movable scraping work, the working strength of workers is reduced, the electromagnetic block below the electromagnetic block is enabled to move forward while the electromagnetic block is ejected out, the scraping frame below the electromagnetic block is enabled to move forward stably under the action of the support block on the rear side and the spring, horizontal direction division cutting is carried out through the scraping frame, the die can stably carry out cutting work on the inner runner block, the cut is enabled to be smooth, finished product damage is prevented, the inner blocking block is fixed with the injection molding machine, meanwhile when the injection molding machine is pressed, the inner blocking block presses the roller rod below the roller rod to enable the roller rod to extend downwards, the scraping frame below the electromagnetic block is opened for carrying out injection molding work, after the pressure of the injection molding machine is lost, the roller rod resets to enable the scraping frame to be sealed, and therefore automatic removing work is carried out, and can cooperate through the movable rod and roller bar through the activity of the hinge seat on the initiative pole when getting rid of, thereby restrict the output direction of roller bar with the vertically mode, thereby make the work of scraping more stable, with the displacement pole atress forward and backward, the casing frame of top is after moving forward and getting rid of a certain amount of breach with the runner piece, then inside slant pole receives the top of magnetic force to move forward, and promote the auxiliary rod in the place ahead thereby the higher piece of scraping of ejecting inclination carries out parallel excision work with remaining tip runner piece, thereby can make the equipment carry out excision work with the mode of layering, the opening of surely going out is more level and smooth.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The parallel through moulding plastics pressfitting goes the injection mold who is used for making inner chamber product of expecting, and its structure includes: base (1), catch bar (2), movable block (3), intelligence go material device (4), the upside terminal surface of base (1) is located in movable block (3), the inside of catch bar (2) embedding movable block (3), its characterized in that:

the intelligent material removing device (4) is fixedly connected and clamped with the movable block (3) through an inner guide pillar;

the intelligent material removing device (4) is provided with a supporting block (41), a movable matching frame (42) and an output cutting frame (43), and the output cutting frame (43) and the movable matching frame (42) which are installed together are arranged inside the supporting block (41);

the movable matching frame (42) is provided with an adjusting frame (421), a displacement frame (422), a matching block (423), a sleeve frame (424) and a curved frame (425), the sleeve frame (424) is arranged inside the curved frame (425), the matching block (423) is fixedly connected with the sleeve frame (424) in a welding mode, the adjusting frame (421) is perpendicular to the upper side end face of the matching block (423), and the displacement frame (422) wraps the outer side end face of the matching block (423);

the adjusting frame (421) is provided with a fixed seat (4211), a driving rod (4212), a protection block (4213), a movable rod (4214) and a hinged seat (4215), the movable rod (4214) is embedded into the left end and the right end of the hinged seat (4215), the driving rod (4212) and the hinged seat (4215) are fixed into an integrated structure, the protection block (4213) wraps the outer side end face of the driving rod (4212), and the fixed seat (4211) is perpendicular to the upper side end face of the driving rod (4212);

the sleeve frame (424) is provided with a roller rod (4241), a stop block (4242), a protection plate (4243) and a limit block (4244), the stop block (4242) is fixedly connected with the limit block (4244), the roller rod (4241) is embedded into the limit block (4244) in a penetrating mode, and the protection plate (4243) is located between the stop blocks (4242);

the output cutting frame (43) is provided with a scraping frame (431), an electromagnetic block (432), a spring (433) and a support block (434), the electromagnetic block (432) and the support block (434) are parallel to each other and are fixedly connected through the spring (433) inside, and the scraping frame (431) is arranged on the front end surface of the electromagnetic block (432);

the scraping frame (431) is provided with an auxiliary rod (4311), an inclined rod (4312), a displacement rod (4313), a sleeve frame (4314) and a scraping block (4315), the scraping block (4315) is arranged on the front end surface of the auxiliary rod (4311), the inclined rod (4312) and the auxiliary rod (4311) are fixedly fitted together, the displacement rod (4313) is embedded into the inclined rod (4312), and the sleeve frame (4314) and the displacement rod (4313) are welded together;

the movable rod (4214) is of a bent plate-shaped structure, and a transverse spring column is arranged below the bent plate-shaped structure;

the end face of the lower side of the casing frame (4314) is provided with a transverse groove type slideway structure, and the inclined rod (4312) is a plate-type inclined displacement structure provided with a magnetic block at the rear end;

after the electromagnetic block (432) is electrified, the generated magnetism enables the front inclined rod (4312) to slide and displace on the displacement rod (4313), the front scraping block (4315) is movably pushed forwards through the auxiliary rod (4311), and then the residual small blocks of the inner flow passage block are removed through the scraping block (4315).