CN111958353A

CN111958353A - A pushing mechanism for mechanical type equipment of polishing of machining

Info

Publication number: CN111958353A
Application number: CN202010807422.5A
Authority: CN
Inventors: 刘斌兴
Original assignee: Quanzhou Wanglong Industrial Design Co ltd
Current assignee: Quanzhou Wanglong Industrial Design Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2020-11-20

Abstract

The invention discloses a pushing mechanism of mechanical grinding equipment for machining, which comprises an air cylinder, a side plate, a sliding plate, a bottom plate, a guide rail, a push plate, an auxiliary reinforcing mechanism and an extension mechanism.

Description

A pushing mechanism for mechanical type equipment of polishing of machining

Technical Field

The invention relates to the related field of pushing mechanisms, in particular to a pushing mechanism of mechanical polishing equipment for machining.

Background

In daily machining process, in order to make some sheet metal surface smooth, need polish it, current device of polishing to sheet metal is when polishing, needs manually to fix sheet metal, and when carrying the sheet metal work piece and enter into the wheel bottom of polishing and fix, simultaneously in order to improve polishing to the more omnidirectional on sheet metal surface, need use pushing mechanism to carry the work piece fixedly, then polish again.

When using pushing mechanism to promote the work piece and polish to the assigned position on, the position of work piece and pushing mechanism is placed with fixed form, because the work piece is fixed usually by the thrust of cylinder or hydro-cylinder, its stability is lower relatively, slides easily taking place in the process of polishing, and great work piece is promoting the in-process simultaneously, because the width of promoting is comparatively fixed, is difficult to stable promote the work piece.

Disclosure of Invention

Accordingly, to address the above-described deficiencies, the present invention herein provides a pushing mechanism for a mechanical sharpening apparatus for machining.

The invention is realized in such a way that a pushing mechanism of mechanical polishing equipment for machining is constructed, the pushing mechanism comprises an air cylinder and a side plate, the air cylinder is arranged on the side plate of the right end face, a piston rod at the left side of the air cylinder penetrates through the right end face of the side plate and then is fastened at the top of the right end face of a sliding plate, the sliding plate is slidably arranged on a guide rail fastened at the top end face of a bottom plate, the right end of the top of the sliding plate is provided with a push plate, an auxiliary reinforcing mechanism is arranged at the bottom of the bottom plate, an extending mechanism is arranged at the inner side of the sliding plate, the auxiliary reinforcing mechanism comprises a pre-embedded shell, a connecting plate, a rack, a sealing plate, a collecting frame, a supporting and positioning frame, a gear, a ratchet wheel, a clamping plate, a sliding mechanism and a through hole, the rack is meshed with the top end face of the gear, the sealing plate is fastened to the bottom end of the inner side of the embedded shell through the supporting and positioning frame, the sealing plate penetrates through the inner side of a through hole formed in the middle of the left end and the right end of the rack, the collecting frame penetrates through the inner side of an opening formed in the left end face of the embedded shell and then is attached to the middle of the left end face of the supporting and positioning frame, the right end of the inner side of the collecting frame is connected to the bottom of the left end of the sealing plate, the middle of the front end face of the gear is rotatably connected with the front end of the inner side of the embedded shell through a rotating shaft, the ratchet wheel is welded in the middle of.

Preferably, the sliding mechanism comprises a movable block, an inner shell, a coil spring, a limiting block, a convex block, a micro spring, an electromagnet, a shielding sheet and a support frame, wherein the movable block is slidably mounted at the rear end of the inner side of the inner shell, the movable block is rotatably connected with the right end of the front end face of the clamping plate through the coil spring, the inner shell is mounted in the middle of the bottom end face of the inner side of the embedded shell through the support frame, the limiting block is fastened at the upper end and the lower end of the left side of the rear end face of the inner shell, the convex block is arranged in the middle of the upper end and the lower end of the inner side of the inner shell, the two ends of the micro spring are respectively and fixedly connected to the left end face of the.

Preferably, the extension mechanism comprises a placing groove, an extension plate, an L-shaped plate, a groove, a transmission plate, a transmission mechanism, a rotary table, a rotary rod, a fixed cylinder, a fixed shaft, a worm and a worm wheel, the placing groove is arranged at the bottom end inside the sliding plate, the extension plate is slidably mounted inside the groove formed in the front end surface and the rear end surface of the top end surface of the sliding plate, the L-shaped plate is arranged at the rear end of the top of the extension plate, the transmission plate moves back and forth inside the placing groove through the transmission mechanism, the transmission mechanism penetrates through the rear end surface of the inside of the placing groove and then is locked on the front end surface of the extension plate, the rotary rod penetrates through the middle part of the right end surface of the sliding plate and then is welded on the right end surface of the worm, the fixed cylinder is fastened at the right end of the bottom inside of the placing groove, the fixed cylinder is movably nested at the, and the worm wheel is meshed with the rear end face of the worm.

Preferably, drive mechanism includes L type backup pad, well hollow plate, cylinder, reinforcing plate and spring, L type backup pad lock is admittedly in standing groove inboard bottom face, well hollow plate laminating in carousel top face, and well hollow plate lock in the preceding terminal surface of drive plate, the cylinder is fastened in carousel top face border department, and the cylinder activity stretches into in well hollow plate inboard, reinforcing plate left end face and preceding terminal surface weld respectively in drive plate right-hand member face front end and hollow plate rear end face middle part, the spring both ends are fixed connection respectively in L type backup pad rear end face top and the preceding terminal surface middle part of hollow plate.

Preferably, the inner side of the through hole is square, and the width of the inner side of the through hole is 2cm to 5cm larger than the thickness of the connecting plate.

Preferably, the sealing plate is of a U-shaped structure, and the left end and the right end of the sealing plate extend obliquely to the two sides.

Preferably, the right end face of the inner side of the collecting frame is parallel to the left end of the outer side of the sealing plate, and a square block is arranged in the middle of the left end face of the collecting frame.

Preferably, the left end of the outer side of the inner shell is hollow, and the left end and the right end of the bottom end face of the inner shell are symmetrically provided with two support frames.

Preferably, a rubber sheet is arranged on one side, close to the clamping plate, of the end face of the outer side of the limiting block, and the thickness of the rubber sheet is 0.25 cm.

Preferably, the length of the L-shaped plate is consistent with the width of the extension plate, and the bottom end face of the inner side of the L-shaped plate is flush with the top end face of the sliding plate.

The invention has the following advantages: the invention provides a pushing mechanism of a mechanical grinding device for machining by improvement, compared with the same type of device, the pushing mechanism comprises the following improvements:

the method has the advantages that: according to the pushing mechanism of the mechanical polishing equipment for machining, the auxiliary reinforcing mechanism is arranged at the bottom of the bottom plate, after the sliding plate drives the workpiece to move to a proper position, the electromagnet can be cancelled, the movable block is driven by the elasticity of the miniature spring to move the clamping plate leftwards, the clamping plate is pushed by the side surface of the ratchet wheel to slightly rotate and completely enter between the two gears on the side surface of the ratchet wheel, so that the ratchet wheel and the gears are fixed by the clamping plate, the rack, the connecting plate and the sliding plate are fixed by the gears, the sliding plate and the workpiece are further reinforced and fixed, and the workpiece is machined more stably.

The method has the advantages that: according to the pushing mechanism of the mechanical polishing equipment for machining, the extending mechanism is arranged on the inner side of the sliding plate, the worm and the worm wheel are driven to rotate by rotating the rotating rod, the rotating disc and the two cylinders are driven to rotate by the worm wheel through the fixed shaft, so that the two cylinders drive the two transmission plates, the extending plate and the L-shaped plate to move radially by matching the two hollow plates, when the bottom end face of the inner side of the L-shaped plate is contacted with the edge of the bottom of a workpiece, and the front and back opposite faces of the inner sides of the two L-shaped plates are contacted with the front and back end faces of the workpiece, the rotating rod is stopped rotating, the workpiece is further extended, supported, clamped and fixed, and the workpiece is pushed more stably.

The method has the advantages that: according to the pushing mechanism of the mechanical polishing equipment for machining, the sealing plate is of the U-shaped structure, the left end and the right end of the sealing plate extend towards two sides in an inclined mode, and therefore scraps accumulated on the top of the sealing plate can be pushed into the inner side of the collecting frame to be collected conveniently.

The advantages are that: according to the pushing mechanism of the mechanical polishing equipment for machining, the length of the L-shaped plate is consistent with the width of the extension plate, and the bottom end face of the inner side of the L-shaped plate is flush with the top end face of the sliding plate, so that the bottom end face of the inner side of the L-shaped plate can stably support the bottom end face of a workpiece.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional front view of the auxiliary reinforcing mechanism of the present invention;

FIG. 3 is a schematic view of the through hole distribution structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2 of the present invention;

FIG. 5 is a schematic top cross-sectional view of the extension mechanism of the present invention;

FIG. 6 is a schematic view of a connecting structure of the rotating rod of the present invention;

fig. 7 is an enlarged view of the structure at B in fig. 5 according to the present invention.

Wherein: cylinder-1, side plate-2, sliding plate-3, bottom plate-4, guide rail-5, push plate-6, auxiliary reinforcing mechanism-7, extension mechanism-8, embedded shell-71, connecting plate-72, rack-73, sealing plate-74, collecting frame-75, supporting and positioning frame-76, gear-77, ratchet-78, snap plate-79, sliding mechanism-710, through hole-711, movable block-7101, inner shell-7102, coil spring-7103, limiting block-7104, convex block-7105, micro spring-7106, electromagnet-7107, shielding sheet-7108, supporting frame-7109, placing groove-81, extension plate-82, L-shaped plate-83, groove-84, transmission plate-85, transmission plate-84, guide rail-7, guide plate-6, auxiliary reinforcing mechanism-7, extension mechanism-8, embedded shell-71, connecting plate-72, A transmission mechanism-86, a rotary disc-87, a rotary rod-88, a fixed cylinder-89, a fixed shaft-810, a worm-811, a worm wheel-812, an L-shaped supporting plate-861, a hollow plate-862, a cylinder-863, a reinforcing plate-864 and a spring-865.

Detailed Description

The present invention will be described in detail below with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1, the present invention provides a pushing mechanism of a mechanical polishing device for machining, which includes a cylinder 1 and a side plate 2, wherein the cylinder 1 is mounted on the side plate 2 on the right end surface, a piston rod on the left side of the cylinder 1 penetrates through the right end surface of the side plate 2 and then is fastened to the top of the right end surface of a sliding plate 3, the sliding plate 3 is slidably mounted on a guide rail 5 fastened to the top end surface of a bottom plate 4, and a push plate 6 is disposed at the right end of the top of the sliding plate 3.

Referring to fig. 2 and 3, the present invention provides a pushing mechanism of a mechanical polishing device for machining by improving a pushing mechanism of a mechanical polishing device, wherein an auxiliary reinforcing mechanism 7 is disposed at the bottom of a base plate 4, an extending mechanism 8 is disposed at the inner side of a sliding plate 3, the auxiliary reinforcing mechanism 7 includes a pre-embedded shell 71, a connecting plate 72, a rack 73, a sealing plate 74, a collecting frame 75, a supporting and positioning frame 76, a gear 77, a ratchet 78, a clamping plate 79, a sliding mechanism 710 and a through hole 711, the pre-embedded shell 71 is locked at the bottom end surface of the base plate 4, the connecting plate 72 is mounted at the middle of the bottom end surface of the sliding plate 3, the connecting plate 72 passes through a square hole formed at the middle of the top end surface of the base plate 4 and then is locked at the top end surface of the rack 73, the rack 73 and the top end surface of the gear 77 are engaged with each other, so as to drive the gear 77 to rotate, the sealing plate 74 is of a U-shaped structure, the left end and the right end of the sealing plate 74 extend obliquely towards two sides, so that debris on the top of the sealing plate 74 can enter the inner side of the collecting frame 75 to be collected under thrust, the collecting frame 75 passes through the inner side of an opening formed in the left end surface of the embedded shell 71 and then is tightly attached to the middle of the left end surface of the supporting and positioning frame 76, the right end of the inner side of the collecting frame 75 is connected to the bottom of the left end of the sealing plate 74, the right end surface of the inner side of the collecting frame 75 is parallel to the left end of the outer side of the sealing plate 74, a square block is arranged in the middle of the left end surface of the collecting frame 75 to collect the debris on the sealing plate 74, the collecting frame 75 is pulled outwards conveniently, the middle of the front end surface of the gear 77 is rotatably connected with the front end of the inner side of the embedded shell 71 through a rotating, the inner side of the through hole 711 is square, and the width of the inner side of the through hole 711 is 2cm to 5cm larger than the thickness of the connecting plate 72, so that the top of the wide sealing plate 74 completely covers the inner side of the square hole on the top end face of the bottom plate 3, and the fragments are prevented from entering the bottom end of the inner side of the embedded shell 71.

Referring to fig. 4, the present invention provides a pushing mechanism for a mechanical polishing device for machining by improving, wherein the sliding mechanism 710 includes a movable block 7101, an inner housing 7102, a coil spring 7103, a limiting block 7104, a protrusion 7105, a micro spring 7106, an electromagnet 7107, a shielding plate 7108 and a supporting frame 7109, the movable block 7101 is slidably mounted at the rear end of the inner side of the inner housing 7102, the movable block 7101 is rotatably connected with the right end of the front end face of the clamping plate 79 through the coil spring 7103, so as to enable the clamping plate 79 to be reset after rotating, the inner housing 7102 is mounted at the middle of the bottom end face of the inner side of the embedded housing 71 through the supporting frame 7109, the left end of the outer side of the inner housing 7102 is hollow, two supporting frames 7109 are symmetrically arranged at the left and right ends of the bottom end face of the inner housing 7102, the limiting block 7104 is fastened at the upper and lower ends of the left side of the rear end, and the thickness of the rubber sheet is 0.25cm, the clamping plate 79 has good buffering capacity when contacting the limiting block 7104, the two convex blocks 7105 are arranged in the middle of the upper end and the lower end of the inner side of the inner shell 7102, the two ends of the micro spring 7106 are fixedly connected to the left end face of the convex block 7105 and the right end face of the movable block 7101 respectively, the movable block 7101 is reset by elastic force, the electromagnet 7107 is arranged at the right end of the inner side of the inner shell 7102, so that the movable block can slide rightwards by applying suction to the movable block 7101, the shielding sheet 7108 is fastened at the right end of the inner side of the inner shell 7102, and the end face of the inner side of the shielding sheet 7108 covers the end face of the outer side.

Referring to fig. 5 and 6, the present invention provides a pushing mechanism of a mechanical polishing device for machining by improving, wherein the extending mechanism 8 includes a placement groove 81, an extending plate 82, an L-shaped plate 83, a groove 84, a transmission plate 85, a transmission mechanism 86, a turntable 87, a rotating rod 88, a fixed cylinder 89, a fixed shaft 810, a worm 811 and a worm wheel 812, the placement groove 81 is disposed at the bottom end inside the slide plate 3, the extending plate 82 is slidably mounted inside the groove 84 formed at the front and rear ends of the top end surface of the slide plate 3, the L-shaped plate 83 is disposed at the rear end of the top of the extending plate 82, the length of the L-shaped plate 83 is consistent with the width of the extending plate 82, the bottom end surface inside the L-shaped plate 83 is flush with the top end surface of the slide plate 3, the L-shaped plate 83 is convenient for stably supporting the bottom of a workpiece, the transmission plate 85 moves back and forth inside the placement groove 81 through the transmission mechanism 86, and the, bull stick 88 passes 3 right-hand member of slide middle parts post-weld in worm 811 right-hand member face, gu fixed cylinder 89 fastens in standing groove 81 inboard bottom right-hand member, and gu fixed cylinder 89 activity nestification right-hand member in the bull stick 88 outside, make bull stick 88 rotation process more stable, gu fixed axle 810 outside top and outside bottom fasten respectively in carousel 87 and worm wheel 812 inner circle, be convenient for worm wheel 812 to drive carousel 87 through fixed axle 810 and rotate, worm wheel 812 bottom face middle part is rotated through pivot and standing groove 81 inboard bottom and is connected, and worm wheel 812 and worm 811 rear end face intermeshing, be convenient for drive worm wheel 812 through worm 811 and rotate.

Referring to fig. 7, the present invention provides a pushing mechanism for a mechanical polishing device for machining by improving, wherein the transmission mechanism 86 includes an L-shaped supporting plate 861, a hollow plate 862, a cylinder 863, a reinforcing plate 864, and a spring 865, the L-shaped supporting plate 861 is locked on a bottom end surface of an inner side of the placement slot 81, the hollow plate 862 is attached to a top end surface of the rotating disc 87, the hollow plate 862 is locked on the front end face of the transmission plate 85 to facilitate driving the transmission plate 85 to move horizontally, the cylinder 863 is fastened on the edge of the top end face of the turntable 87, and cylinder 863 activity stretches into in well hollow plate 862 inboard, be convenient for cylinder 863 to rotate and drive well hollow plate 862 and carry out horizontal migration, reinforcing plate 864 left end face and preceding terminal surface weld respectively in driving plate 85 right end face front end and well hollow plate 862 rear end face middle part, have improved the stability that well hollow plate 862 and driving plate 85 are connected, spring 865 both ends are fixed connection respectively in L type backup pad 861 rear end face top and well hollow plate 862 preceding terminal surface middle part.

Example two:

according to the pushing mechanism of the mechanical polishing equipment for machining, provided by the invention, through improvement, round holes are formed in the middle parts of the left end and the right end of the side plate 2 in a penetrating manner, the inner diameter of each round hole is larger than the outer diameter of an output shaft of the air cylinder 1 by 1.5cm, so that the output shaft on the left side of the air cylinder 1 can stably penetrate through the side plate 2 to be connected with the sliding plate 3, the guide rail 5 is of a T-shaped structure, and the bottom of the sliding plate 3 is provided with a T-shaped groove matched with.

The invention provides a pushing mechanism of mechanical grinding equipment for machining by improvement, and the working principle is as follows;

firstly, the device is integrally and fixedly arranged at a designated position on workpiece polishing equipment, an embedded shell 71 needs to be fixed on the inner side of a groove body preset on the polishing equipment, and at the moment, the air cylinder 1 and the electromagnet 7107 can be connected to an external controller;

secondly, a workpiece to be polished can be placed on the top end surface of the sliding plate 3, and the workpiece is stably attached to the left end surface of the push plate 6, and the electromagnet 7107 is started through an external controller, so that the electromagnet 7107 is electrified to generate suction force, and the movable block 7101 is attracted by the electromagnet 7107 to drive the clamping plate 79 to move rightwards to be separated from the side surface of the ratchet 78, when the workpiece is wide, the worm 811 and the worm wheel 812 can be rotated by rotating the rotating rod 88, and the worm wheel 812 drives the rotary plate 87 and the two cylinders 863 to rotate through the fixed shaft 810, thereby realizing that the two columns 863 drive the two driving plates 85, the extension plate 82 and the L-shaped plate 83 to move radially by matching with the two hollow plates 862, when the bottom end surface of the inner side of the L-shaped plate 83 contacts the edge of the bottom of the workpiece and the front and back opposite surfaces of the inner sides of the two L-shaped plates 83 contact the front and back end surfaces of the workpiece, the rotating rod 88 stops rotating;

thirdly, the sliding plate 3, the push plate 6 and the workpiece can be driven to move leftwards by controlling the cylinder 1, the connecting plate 72 and the rack 73 are driven by the sliding plate 3 to move, the rack 73 rotates under the action of the rack 73 in the moving process, and when the push plate 6 pushes the workpiece to move leftwards to contact a positioning point preset in the grinding equipment, the workpiece is fixed under the action of the push plate 6 and an external positioning point;

fourthly, after the position of the workpiece is fixed, the electromagnet 7107 can be powered off, so that the movable block 7101 is driven by the elasticity of the miniature spring 7106 to move the clamping plate 79 leftwards, the clamping plate 79 is pushed by the side surface of the ratchet 78 to slightly rotate and completely enter between two gears on the side surface of the ratchet 78, the clamping plate 79 fixes the ratchet 78 and the gear 77, the gear 77 fixes the positions of the rack 73, the connecting plate 72 and the sliding plate 3, and the workpiece can be polished after being fixed.

The invention provides a pushing mechanism of mechanical grinding equipment for machining by improvement, which can enable a movable block 7101 to be driven by the elasticity of a miniature spring 7106 to move a clamping plate 79 leftwards by canceling the electrification of an electromagnet 7107, and the clamping plate 79 is pushed by the side surface of a ratchet 78 to slightly rotate and completely enter between two gears on the side surface of the ratchet 78, so that the clamping plate 79 fixes the ratchet 78 and the gear 77, the gear 77 fixes the positions of a rack 73, a connecting plate 72 and a sliding plate 3, and grinding processing can be carried out after the workpiece is fixed, so that the beneficial effects of further strengthening the strengthening and fixing of the sliding plate 3 and the workpiece and enabling the workpiece to be processed more stably are achieved; the worm 811 and the worm wheel 812 can be driven to rotate by rotating the rotating rod 88, and the worm wheel 812 drives the turntable 87 and the two cylinders 863 to rotate by the fixed shaft 810, so that the two cylinders 863 drive the two transmission plates 85, the extension plate 82 and the L-shaped plate 83 to move radially by matching with the two hollow plates 862, when the bottom end surface of the inner side of the L-shaped plate 83 contacts with the edge of the bottom of the workpiece and the front and back opposite surfaces of the inner sides of the two L-shaped plates 83 contact with the front and back end surfaces of the workpiece, the rotating rod 88 stops rotating, the workpiece is further extended, supported, clamped and fixed, and the workpiece is pushed more stably; the sealing plate 74 is of a U-shaped structure, and the left end and the right end of the sealing plate 74 extend towards two sides in an inclined manner, so that the debris accumulated on the top of the sealing plate 74 can be pushed into the inner side of the collecting frame 75 to be collected; the length of the L-shaped plate 83 is consistent with the width of the extension plate 82, and the bottom end surface of the inner side of the L-shaped plate 83 is flush with the top end surface of the sliding plate 3, so that the bottom end surface of the inner side of the L-shaped plate 83 can stably support the bottom end surface of the workpiece.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pushing mechanism of mechanical polishing equipment for machining comprises an air cylinder (1) and a side plate (2), wherein the air cylinder (1) is installed on the side plate (2) on the right end face, a piston rod on the left side of the air cylinder (1) penetrates through the right end face of the side plate (2) and then is fastened to the top of the right end face of a sliding plate (3), the sliding plate (3) is installed on a guide rail (5) fastened to the top end face of a bottom plate (4) in a sliding mode, and a push plate (6) is arranged at the right end of the top of the sliding plate;

the method is characterized in that: the auxiliary reinforcing mechanism (7) is arranged at the bottom of the bottom plate (4), the extending mechanism (8) is arranged on the inner side of the sliding plate (3), the auxiliary reinforcing mechanism (7) comprises an embedded shell (71), a connecting plate (72), a rack (73), a sealing plate (74), a collecting frame (75), a supporting and positioning frame (76), a gear (77), a ratchet wheel (78), a clamping plate (79), a sliding mechanism (710) and a through hole (711), the embedded shell (71) is locked on the bottom end face of the bottom plate (4), the connecting plate (72) is arranged in the middle of the bottom end face of the sliding plate (3), the connecting plate (72) penetrates through the inner side of a square hole formed in the middle of the top end face of the bottom plate (4) and then is locked on the top end face of the rack (73), the rack (73) is meshed with the top end face of the gear (77), and the sealing plate (74) is fastened to the bottom end of the inner side of the embedded shell (71, and the closing plate (74) runs through in the thru hole (711) inboard that both ends middle part was seted up about rack (73), it hugs closely in supporting locating rack (76) left end face middle part to collect frame (75) and link up in closing plate (74) left end bottom behind the opening inboard that pre-buried shell (71) left end face was seted up, and collects frame (75) inboard right-hand member, gear (77) preceding terminal surface middle part is connected with pre-buried shell (71) inboard front end rotation through the pivot, and gear (77) rear end face middle part welding has ratchet (78), cardboard (79) pass through slide mechanism (710) in pre-buried shell (71) inboard side-to-side slip, and cardboard (79) activity stretches into ratchet (78) outside right-hand member.

2. The pushing mechanism of a mechanical sharpening apparatus for machining according to claim 1, characterized in that: the sliding mechanism (710) comprises a movable block (7101), an inner shell (7102), a coil spring (7103), a limiting block (7104), a convex block (7105), a micro spring (7106), an electromagnet (7107), a shielding sheet (7108) and a supporting frame (7109), wherein the movable block (7101) is slidably mounted at the rear end of the inner side of the inner shell (7102), the movable block (7101) is rotatably connected with the right end of the front end face of a clamping plate (79) through the coil spring (7103), the inner shell (7102) is mounted in the middle of the bottom end face of the inner side of an embedded shell (71) through the supporting frame (7109), the limiting block (7104) is fastened at the upper and lower ends of the left side of the rear end face of the inner shell (7102), the convex block (7105) is provided with two middle portions of the upper and lower ends of the inner side of the inner shell (7102), the two ends of the micro spring (7106) are respectively and fixedly connected with the left end face and the right end face of, the shielding sheet (7108) is fastened at the right end of the inner side of the inner shell (7102), and the end face of the inner side of the shielding sheet (7108) covers the end face of the outer side of the electromagnet (7107).

3. The pushing mechanism of a mechanical sharpening apparatus for machining according to claim 1, characterized in that: the extension mechanism (8) comprises a placing groove (81), an extension plate (82), an L-shaped plate (83), a groove (84), a transmission plate (85), a transmission mechanism (86), a turntable (87), a rotating rod (88), a fixed cylinder (89), a fixed shaft (810), a worm (811) and a worm wheel (812), the placing groove (81) is arranged at the bottom end inside the sliding plate (3), the extension plate (82) is slidably mounted inside the groove (84) formed in the front end face and the rear end face of the top end face of the sliding plate (3), the L-shaped plate (83) is arranged at the rear end of the top of the extension plate (82), the transmission plate (85) moves back and forth inside the placing groove (81) through the transmission mechanism (86), the transmission mechanism (86) passes through the rear end face of the inside of the placing groove (81) and then is locked on the front end face of the extension plate (82), the rotating rod (88) passes through the middle part of the right end face of, the fixed cylinder (89) is fastened at the right end of the inner side bottom of the placing groove (81), the fixed cylinder (89) is movably nested at the middle right end of the outer side of the rotating rod (88), the top end of the outer side and the bottom end of the outer side of the fixed shaft (810) are fastened at the inner rings of the rotating disc (87) and the worm wheel (812) respectively, the middle part of the bottom end face of the worm wheel (812) is rotatably connected with the bottom end of the inner side of the placing groove (81) through a rotating shaft, and the worm wheel (812) is meshed with the rear end.

4. The pushing mechanism of a mechanical sharpening apparatus for machining according to claim 3, characterized in that: the transmission mechanism (86) comprises an L-shaped supporting plate (861), a hollow plate (862), a cylinder (863), a reinforcing plate (864) and a spring (865), the L-shaped supporting plate (861) is fixedly locked on the bottom end face of the inner side of the placement groove (81), the hollow plate (862) is attached to the top end face of the rotary table (87), the hollow plate (862) is locked on the front end face of the transmission plate (85), the cylinder (863) is fastened at the edge of the top end face of the rotary table (87), the cylinder (863) movably extends into the inner side of the hollow plate (862), the left end face and the front end face of the reinforcing plate (864) are respectively welded on the front end of the right end face of the transmission plate (85) and the middle of the rear end face of the hollow plate (862), and two ends of the spring (865) are respectively and fixedly connected to the top of the rear end face of the L-shaped supporting plate.

5. The pushing mechanism of a mechanical sharpening apparatus for machining according to claim 1, characterized in that: the inner side of the through hole (711) is square, and the width of the inner side of the through hole (711) is 2cm to 5cm larger than the thickness of the connecting plate (72).

6. The pushing mechanism of a mechanical sharpening apparatus for machining according to claim 1, characterized in that: the sealing plate (74) is of a U-shaped structure, and the left end and the right end of the sealing plate (74) extend obliquely to the two sides.

7. The pushing mechanism of a mechanical sharpening apparatus for machining according to claim 1, characterized in that: the right end face of the inner side of the collecting frame (75) is parallel to the left end of the outer side of the sealing plate (74), and a square block is arranged in the middle of the left end face of the collecting frame (75).

8. The pushing mechanism of a mechanical sharpening apparatus for machining according to claim 2, characterized in that: the left end of the outer side of the inner shell (7102) is hollow, and the left end and the right end of the bottom end face of the inner shell (7102) are symmetrically provided with two support frames (7109).

9. The pushing mechanism of a mechanical sharpening apparatus for machining according to claim 2, characterized in that: and a rubber sheet is arranged on one side, close to the clamping plate (79), of the end face of the outer side of the limiting block (7104), and the thickness of the rubber sheet is 0.25 cm.

10. The pushing mechanism of a mechanical sharpening apparatus for machining according to claim 3, characterized in that: the length of the L-shaped plate (83) is consistent with the width of the extension plate (82), and the bottom end surface of the inner side of the L-shaped plate (83) is flush with the top end surface of the sliding plate (3).