CN113305230B

CN113305230B - Feeding device with adjustable feeding frequency for machining

Info

Publication number: CN113305230B
Application number: CN202110571616.4A
Authority: CN
Inventors: 陈海鑫; 杨建旺; 徐胡磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-06-10
Anticipated expiration: 2041-05-25
Also published as: CN113305230A

Abstract

The invention relates to the technical field of feeding devices, in particular to a feeding device with adjustable feeding frequency for machining, which comprises a base, wherein a feeding groove is formed in the top end of the base, a first sliding rail is formed in the middle of the bottom end of the feeding groove, a first sliding block is connected to the inside of the first sliding rail in a sliding mode, a first push plate is fixed to the top end of the first sliding block, a fixing frame is fixed to one side of the top end of the base, a motor is arranged on the back face of the fixing frame, the first push plate and the motor are connected through a transmission mechanism, a material pressing barrel is arranged at one end, far away from the fixing frame, of the top end of the base, and the material pressing barrel is connected with the base through an adjusting mechanism. The invention effectively prevents the situation that the upper layer of the metal sheet is stacked to cause the jamming between the metal sheet and equipment, and simultaneously, the feeding frequency is influenced to cause the problem that the calibration needs to be carried out again in the subsequent processing.

Description

Feeding device with adjustable feeding frequency for machining

Technical Field

The invention relates to the technical field of feeding devices, in particular to a feeding device with adjustable feeding frequency for machining.

Background

The mechanical processing refers to a process of changing the overall dimension or performance of a workpiece through mechanical equipment, and can be divided into cutting processing and pressure processing according to the difference of processing modes, and when the metal sheet is pressed, a feeding device is needed to continuously push and feed the metal sheet, so that the equipment can conveniently carry out continuous processing operation on the metal sheet;

at present, the material loading mode to the sheetmetal is mostly push type, because the sheetmetal is thin, when long-time pushing is carried out to the monomer sheetmetal, the condition of piling up can appear in the upper strata of sheetmetal, probably make the sheetmetal carry out the in-process of propelling movement, lead to causing the card to die between sheetmetal and the equipment, usability and suitability have been reduced, the frequency of pay-off has also been influenced simultaneously, lead to in the follow-up man-hour, need calibrate again, therefore need urgently to need a neotype machining with have pay-off frequency adjustable loading attachment to solve above-mentioned problem.

Disclosure of Invention

The invention aims to provide a feeding device with an adjustable feeding frequency for machining, which aims to solve the problems that the upper layer of a metal sheet is stacked, so that the metal sheet and equipment are blocked, the feeding frequency is influenced, and the subsequent machining needs to be calibrated again.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a machining is with having loading attachment with adjustable pay-off frequency, includes the base, the silo has been seted up on the top of base, and the middle part of going up the silo bottom has seted up first slide rail, the inside sliding connection of first slide rail has first slider, and the top of first slider is fixed with first push pedal, one side on base top is fixed with the mount, and the back of mount is provided with the motor, be connected through drive mechanism between first push pedal and the motor, the one end that the mount was kept away from on the base top is provided with presses the feed cylinder, and presses and is connected through adjustment mechanism between feed cylinder and the base.

Furthermore, the top end of the first push plate is connected with a second push plate through a supporting mechanism, the top end of the second push plate is provided with a cavity, the front side and the rear side of the inner wall of the cavity are both movably connected with rollers through bearings, rubber rings are uniformly distributed on the outer side of the material pressing barrel, and the rubber rings are glued on the material pressing barrel.

Further, drive mechanism includes first axostylus axostyle, and first axostylus axostyle passes through bearing and mount swing joint, the one end of first axostylus axostyle is fixed with the rim plate, the outside of the first axostylus axostyle other end is fixed with first gear, and the one end meshing of first gear has the second gear, the second gear is fixed mutually with the output shaft of motor, one side that the mount was kept away from to the rim plate has first transfer line through pivot swing joint, and the one end of first transfer line has the second transfer line through pivot swing joint, the one end that first transfer line was kept away from to the second transfer line is through pivot swing joint at the top of first push pedal.

Further, adjustment mechanism includes the regulating plate, and the top of regulating plate runs through the upper surface that the base extends to the base, the below of base is provided with the bottom plate, and the top of bottom plate is fixed mutually with the regulating plate, the inside threaded connection of bottom plate has the screw rod, and the top of screw rod passes through bearing and base swing joint, and is two sets of there is the driven shaft through bearing swing joint between the regulating plate, and the driven shaft runs through mutually with the regulating plate near the one end of mount, the outside of driven shaft is fixed with the pressure feed cylinder, the outside of driven shaft is connected through belt pulley mechanism and motor, one side that the regulating plate is close to first push pedal is provided with lazytongs, one side that first push pedal was kept away from to the regulating plate is provided with stop gear.

Further, it is a set of one side that first push pedal was kept away from to the regulating plate is fixed with the carriage release lever, and the one end of carriage release lever runs through the base and is fixed with the tag, the notch with carriage release lever matched with is seted up to the outer wall of base, the outer wall of base is carved with the scale mark, and scale mark and tag are corresponding.

Further, stop gear includes the connecting block, and the connecting block is provided with two sets ofly, and is two sets of the connecting block is fixed respectively in the one side that the adjusting plate is close to, be provided with the second axostylus axostyle between the connecting block, and the both ends of second axostylus axostyle pass through bearing and connecting block swing joint, the outside of second axostylus axostyle is fixed with the baffle, and the both sides of baffle bottom are the slope form respectively, the outside winding of second axostylus axostyle has torque spring, and torque spring's both ends are fixed respectively on connecting block and baffle.

Further, supporting mechanism includes the bracing piece, and the bracing piece is provided with four groups, every two sets of through pivot swing joint between the bracing piece, and the both ends of bracing piece are fixed with the fixed block respectively, the second slide rail has been seted up respectively at both ends around first push pedal and the second push pedal are close to one side mutually, and the inside sliding connection of second slide rail has the second slider, four groups the second slider is fixed respectively on the fixed block, four groups in addition the fixed block is fixed respectively in first push pedal and second push pedal.

Furthermore, one side of the first push plate, which is close to the second push plate, is provided with a compression spring, and two ends of the compression spring are respectively fixed on the first push plate and the second push plate.

Further, the lazytongs includes the link, and the both ends of link are fixed on the regulating plate, one side that the link is close to first push pedal is fixed with the backing plate, and the backing plate is provided with two, both sides all are fixed with the slide bar around the link bottom, and the outside sliding connection of slide bar has the sliding sleeve, the bottom of sliding sleeve is fixed with the connecting plate, and one side that the link is close to mutually all fixes in the second push pedal, the top of base is provided with the gag lever post, and the gag lever post is provided with four, and is two sets of the bottom mounting of gag lever post is on the backing plate, and is two sets of in addition the top at the base is connected to the bottom of gag lever post.

Compared with the prior art, the invention has the beneficial effects that:

1. by arranging the adjusting mechanism, the lower surface of the material pressing barrel and the upper surface of the metal sheet to be processed are adjusted under the adjusting effect of the adjusting plate, the metal sheets with different thicknesses can be conveniently adjusted and adapted, meanwhile, the material pressing barrel can be adjusted to push and feed a plurality of groups of metal sheets, the frequency of feeding is convenient to adjust, redundant metal sheets can be blocked to prevent from being pushed out by the first push plate, the usability and the applicability are improved, the redundant metal sheets on the uppermost layer can be conveniently reversely pushed under the effects of the rubber ring arranged outside the material pressing barrel and the roller, the clamping of equipment is avoided, the phenomenon that the stacking of the upper layers of the metal sheets is caused, the clamping between the metal sheets and the equipment is caused, the frequency of feeding is influenced at the same time, and the subsequent processing is caused, the problem of needing to recalibrate;

2. through being provided with lazytongs and supporting mechanism, under the effect through slide bar and sliding sleeve, make when the regulating plate moves upwards, can drive the second push pedal and move upwards, carry out the looks adaptation to the sheetmetal of different thickness and carry out the looks adaptation to the sheetmetal of group, the ease of use has greatly been improved, and under the effect of slide bar and sliding sleeve sliding connection, make things convenient for the first push pedal to carry out normal propelling movement, conveniently slide on the slide bar, and under the effect through slide bar and sliding sleeve, the stability of propelling movement has been increased, secondly, under the effect through the bracing piece, conveniently support the operation to the second push pedal, and under the effect that the compression spring cooperatees, the tension between first push pedal and the second push pedal has been increased, stability has been improved;

3. by arranging the limiting mechanism, under the action of the partition plate, when the redundant metal sheet on the upper layer touches the partition plate, the partition plate is inclined under the action of abutting force, so that the torsion spring is deformed to block the redundant metal sheet, the operation is simple, the material pressing barrel is convenient to reversely push the metal sheet on the upper layer, and the phenomenon of blocking is avoided;

4. through being provided with mark piece and scale mark, when the regulating plate was adjusted and is removed, the accessible was observed the pointing direction of mark piece to the scale mark, was measured the distance of adjusting for adjust more accurate of operation, and more directly perceived, easy operation is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a rear perspective structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 4 is a schematic perspective view of an adjustment mechanism according to the present invention;

FIG. 5 is a schematic diagram of an exploded perspective view of a spacing mechanism of the present invention;

FIG. 6 is a schematic front perspective view of the present invention;

FIG. 7 is a schematic view of the construction of the wheel disc, the first drive link and the second drive link of the present invention;

FIG. 8 is a schematic perspective view of a synchronizing mechanism according to the present invention;

FIG. 9 is an exploded perspective view of the support mechanism of the present invention;

fig. 10 is an enlarged view of the structure at C in fig. 9 according to the present invention.

In the figure: 111. a base; 112. a feeding trough; 113. a first slide rail; 114. a second slider; 115. a first push plate; 116. a second push plate; 1161. a drum; 117. a fixed mount; 118. a motor; 119. pressing the material barrel; 120. a belt pulley mechanism; 121. a limiting rod; 211. a first shaft lever; 212. a wheel disc; 213. a first gear; 214. a second gear; 215. a first drive lever; 216. a second transmission rod; 311. an adjusting plate; 312. a base plate; 313. a screw; 314. a travel bar; 315. marking blocks; 316. a driven shaft; 317. scale lines; 411. connecting blocks; 412. a second shaft lever; 413. a partition plate; 414. a torsion spring; 511. a support bar; 512. a second slide rail; 513. a second slider; 514. a fixed block; 515. a compression spring; 611. a connecting frame; 612. a base plate; 613. a slide bar; 614. a sliding sleeve; 615. a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Referring to fig. 1-10, an embodiment of the present invention is shown: the utility model provides a machining is with having loading attachment with adjustable pay-off frequency, including base 111, silo 112 has been seted up on the top of base 111, and first slide rail 113 has been seted up at the middle part of silo 112 bottom, the inside sliding connection of first slide rail 113 has first slider 114, and the top of first slider 114 is fixed with first push pedal 115, one side on base 111 top is fixed with mount 117, and the back of mount 117 is provided with motor 118, be connected through drive mechanism between first push pedal 115 and the motor 118, the one end that mount 117 was kept away from on base 111 top is provided with presses feed cylinder 119, and be connected through adjustment mechanism between press feed cylinder 119 and the base 111.

The top end of the first push plate 115 is connected with the second push plate 116 through a supporting mechanism, the top end of the second push plate 116 is provided with a cavity, the front side and the rear side of the inner wall of the cavity are movably connected with rollers 1161 through bearings, rubber rings are uniformly distributed on the outer side of the material pressing barrel 119 and are adhered to the material pressing barrel 119, under the action of the rollers 1161, when metal sheets are pushed and fed, the friction force of the upper layer is reduced, the metal sheets are prevented from being stacked on the upper surface of the second push plate 116, the friction force is reduced, the stability is improved, under the action of the rubber rings, the friction force between the metal sheets is increased, the metal sheets are conveniently pushed reversely, a blocking plate is fixed at the bottom end of the second push plate 116, a rectangular groove matched with the blocking plate is formed in the top end of the first push plate 115, under the action of the blocking plate, the metal sheets are conveniently pushed, and the clamping between one end of the metal sheets and the second push plate 116 is avoided, causing a stuck condition.

The transmission mechanism comprises a first shaft lever 211, the first shaft lever 211 is movably connected with the fixed frame 117 through a bearing, one end of the first shaft lever 211 is fixed with a wheel disc 212, the outer side of the other end of the first shaft lever 211 is fixed with a first gear 213, one end of the first gear 213 is engaged with a second gear 214, the second gear 214 is fixed with an output shaft of the motor 118, one side of the wheel disc 212, which is far away from the fixed frame 117, is movably connected with a first transmission rod 215 through a rotating shaft, one end of the first transmission rod 215 is movably connected with a second transmission rod 216 through a rotating shaft, one end of the second transmission rod 216, which is far away from the first transmission rod 215, is movably connected with the top of the first push plate 115 through the rotating shaft, the first transmission rod 215 and the second transmission rod 216 are driven to push the first push plate 115 and the second push plate 116 through the rotation of the wheel disc 212, the metal sheet is fed, the second push plate 116 is prevented from being pressed by an upper layer of the metal sheet, so that the first push plate 115 and the second push plate 116 are clamped at the metal sheet feeding position, the usability and stability are improved.

The adjusting mechanism comprises an adjusting plate 311, the top end of the adjusting plate 311 penetrates through the base 111 and extends to the upper surface of the base 111, a bottom plate 312 is arranged below the base 111, the top end of the bottom plate 312 is fixed with the adjusting plate 311, a screw 313 is connected to the inner thread of the bottom plate 312, the top end of the screw 313 is movably connected with the base 111 through a bearing, a driven shaft 316 is movably connected between the two groups of adjusting plates 311 through a bearing, one end, close to the fixing frame 117, of the driven shaft 316 penetrates through the adjusting plate 311, a material pressing barrel 119 is fixed on the outer side of the driven shaft 316, the outer side of the driven shaft 316 is connected with the motor 118 through a belt pulley mechanism 120, a synchronizing mechanism is arranged on one side, close to the first push plate 115, of the adjusting plate 311 is provided with a limiting mechanism on one side, far away from the first push plate 115, the material pressing barrel 119 moves upwards by adjusting the height of the adjusting plate 311, and when group of metal sheets are pushed conveniently, adjust a pressure feed cylinder 119, be convenient for walk the material, and through adjusting a pressure feed cylinder 119, be convenient for carry out reverse propelling movement to the unnecessary material of superiors, avoid producing the card and die

One side that a set of regulating plate 311 kept away from first push pedal 115 is fixed with carriage release lever 314, and the one end of carriage release lever 314 runs through base 111 and is fixed with mark piece 315, the notch with carriage release lever 314 matched with is seted up to the outer wall of base 111, the outer wall of base 111 is carved with scale mark 317, and scale mark 317 and mark piece 315 are corresponding, under the effect through mark piece 315 and scale mark 317, the convenience carries out more accurate regulation to the distance of adjusting, the thickness of accurate every sheetmetal, the accuracy of equipment has been improved.

Limiting mechanism includes connecting block 411, and connecting block 411 is provided with two sets ofly, two sets of connecting blocks 411 are fixed respectively in the one side that regulating plate 311 is close to mutually, be provided with second shaft lever 412 between the connecting block 411, and the both ends of second shaft lever 412 pass through bearing and connecting block 411 swing joint, the outside of second shaft lever 412 is fixed with baffle 413, and the both sides of baffle 413 bottom are the slope form respectively, the outside winding of second shaft lever 412 has torsion spring 414, and torsion spring 414's both ends are fixed respectively on connecting block 411 and baffle 413, under the effect through baffle 413, be convenient for carry out the separation to the unnecessary sheetmetal of upper strata, produce under the effect of deformation through torsion spring 414, mutually support with pressing material section of thick bamboo 119 reverse promotion, be convenient for promote unnecessary sheetmetal, on propelling movement to second push pedal 116 with the material, avoid the sheetmetal to shift out, cause the card to die.

The supporting mechanism comprises supporting rods 511, the supporting rods 511 are provided with four groups, every two groups of supporting rods 511 are movably connected through a rotating shaft, two ends of each supporting rod 511 are respectively fixed with a fixing block 514, the front end and the rear end of one side, close to the first push plate 115 and the second push plate 116, of each supporting rod are respectively provided with a second sliding rail 512, the inside of each second sliding rail 512 is slidably connected with a second sliding block 513, the four groups of second sliding blocks 513 are respectively fixed on the fixing blocks 514, the other four groups of fixing blocks 514 are respectively fixed on the first push plate 115 and the second push plate 116, and under the action of the supporting mechanism, when the second push plate 116 is adjusted, the second push plate 116 is conveniently supported, displacement is prevented, and the usability is improved.

The compression spring 515 is arranged on one side of the first push plate 115 close to the second push plate 116, two ends of the compression spring 515 are respectively fixed on the first push plate 115 and the second push plate 116, and under the action of the compression spring 515, the tension between the first push plate 115 and the second push plate 116 is increased, so that the looseness is avoided.

The synchronous mechanism comprises a connecting frame 611, two ends of the connecting frame 611 are fixed on the adjusting plate 311, a backing plate 612 is fixed on one side of the connecting frame 611 close to the first push plate 115, two backing plates 612 are arranged, sliding rods 613 are fixed on the front side and the rear side of the bottom end of the connecting frame 611, a sliding sleeve 614 is connected to the outer side of each sliding rod 613 in a sliding manner, a connecting plate 615 is fixed at the bottom of the sliding sleeve 614, one side of the connecting plate 615 close to the second push plate 116 is fixed on the second push plate 116, a limiting rod 121 is arranged at the top end of the base 111, four limiting rods 121 are arranged at the top end of the base 121, the bottom ends of the two groups of limiting rods 121 are fixed on the backing plate 612, the bottom ends of the other two groups of limiting rods 121 are connected to the top end of the base 111, under the action of the sliding rods 613 and the sliding sleeve 614, the adjusting plate 311 is adjusted, the height of the second push plate 116 is conveniently adjusted, the usability and the practicability is improved, and then the connecting frame 611 moves upwards, be convenient for adjust gag lever post 121, be convenient for adjust the quantity and the thickness of piece.

The working principle is as follows: when the metal sheet is pushed, the driving motor 118 rotates, the first gear 213 and the second gear 214 rotate under the meshing action, so that the wheel disc 212 rotates under the rotation action of the first shaft lever 211, the first push plate 115 pushes the metal sheet under the action of the rotating shaft connection of the first transmission rod 215 and the second transmission rod 216, and meanwhile, the material pressing cylinder 119 rotates anticlockwise under the action of the belt wheel mechanism 120;

when the metal sheets are stacked, the partition plate 413 is inclined under the action of the abutting force, so that the torsion spring 414 is deformed to block the redundant metal sheets, the metal sheet on the upper layer is pushed under the action of the rubber ring through the reverse rotation of the charging barrel 119, and the metal sheet is pushed away under the matching action of the roller 1161, so that the metal sheet is reset;

when the material pressing barrel 119 is to be adjusted, the adjusting plate 311 moves upwards under the effect of threaded connection by rotating the screw 313, and when the adjusting plate moves, the second push plate 116 and the limiting rod 121 also move upwards under the effect of the connecting frame 611, so that synchronous adjustment operation is performed, the metal sheet is conveniently adapted, and the operation is finished.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a machining is with loading attachment that has adjustable pay-off frequency, includes base (111), its characterized in that: the top end of the base (111) is provided with a feeding groove (112), the middle part of the bottom end of the feeding groove (112) is provided with a first sliding rail (113), the inside of the first sliding rail (113) is connected with a first sliding block (114) in a sliding manner, the top end of the first sliding block (114) is fixed with a first push plate (115), one side of the top end of the base (111) is fixed with a fixing frame (117), the back surface of the fixing frame (117) is provided with a motor (118), the first push plate (115) is connected with the motor (118) through a transmission mechanism, one end of the top end of the base (111), which is far away from the fixing frame (117), is provided with a material pressing barrel (119), the material pressing barrel (119) is connected with the base (111) through an adjusting mechanism, the adjusting mechanism comprises an adjusting plate (311), and the top end of the adjusting plate (311) penetrates through the base (111) and extends to the upper surface of the base (111), the bottom plate (312) is arranged below the base (111), the top end of the bottom plate (312) is fixed with the adjusting plate (311), the screw (313) is connected to the inner thread of the bottom plate (312), the top end of the screw (313) is movably connected with the base (111) through a bearing, a driven shaft (316) is movably connected between the two groups of adjusting plates (311) through a bearing, one end, close to the fixing frame (117), of the driven shaft (316) penetrates through the adjusting plate (311), a material pressing barrel (119) is fixed to the outer side of the driven shaft (316), the outer side of the driven shaft (316) is connected with the motor (118) through a belt pulley mechanism (120), a synchronizing mechanism is arranged on one side, close to the first push plate (115), of the adjusting plate (311), a limiting mechanism is arranged on one side, far away from the first push plate (115), of the adjusting plate (311), and comprises a connecting block (411), two groups of connecting blocks (411) are arranged, the two groups of connecting blocks (411) are respectively fixed on one side of the adjusting plate (311) close to each other, a second shaft lever (412) is arranged between the connecting blocks (411), two ends of the second shaft lever (412) are movably connected with the connecting blocks (411) through bearings, a partition plate (413) is fixed on the outer side of the second shaft lever (412), two sides of the bottom of the partition plate (413) are respectively inclined, a torsion spring (414) is wound on the outer side of the second shaft lever (412), two ends of the torsion spring (414) are respectively fixed on the connecting blocks (411) and the partition plate (413), the top end of the first push plate (115) is connected with a second push plate (116) through a supporting mechanism, a cavity is formed in the top end of the second push plate (116), rollers (1161) are movably connected with the front side and the rear side of the inner wall of the cavity through bearings, and rubber rings are uniformly distributed on the outer side of the material pressing barrel (119), the rubber ring is glued on the material pressing barrel (119), a blocking plate is fixed at the bottom end of the second push plate (116), a rectangular groove matched with the blocking plate is formed in the top end of the first push plate (115), the supporting mechanism comprises supporting rods (511), four groups of supporting rods (511) are arranged, every two groups of supporting rods (511) are movably connected through a rotating shaft, two ends of each supporting rod (511) are respectively fixed with a fixing block (514), the front end and the rear end of one side, close to the first push plate (115) and the second push plate (116), of the first push plate (115) and the second push plate (116) are respectively provided with a second sliding rail (512), a second sliding block (513) is connected inside the second sliding rail (512) in a sliding mode, the four groups of second sliding blocks (513) are respectively fixed on the fixing blocks (514), the other four groups of fixing blocks (514) are respectively fixed on the first push plate (115) and the second push plate (116), and the synchronizing mechanism comprises a connecting frame (611), two ends of a connecting frame (611) are fixed on the adjusting plate (311), a backing plate (612) is fixed on one side of the connecting frame (611) close to the first push plate (115), two backing plates (612) are arranged, sliding rods (613) are fixed on the front side and the rear side of the bottom end of the connecting frame (611), a sliding sleeve (614) is connected to the outer side of each sliding rod (613) in a sliding manner, connecting plates (615) are fixed to the bottom of each sliding sleeve (614), the side, close to each connecting plate (615), of each connecting plate is fixed on the second push plate (116), four limiting rods (121) are arranged at the top end of the base (111), four limiting rods (121) are arranged at the top end of each limiting rod, the bottom ends of two groups of limiting rods (121) are fixed on the backing plates (612), the bottom ends of the other two groups of limiting rods (121) are connected to the top end of the base (111), the transmission mechanism comprises a first shaft lever (211), and the first shaft lever (211) is movably connected with the fixing frame (117) through a bearing, one end of the first shaft lever (211) is fixed with a wheel disc (212), the outer side of the other end of the first shaft lever (211) is fixed with a first gear (213), one end of the first gear (213) is meshed with a second gear (214), the second gear (214) is fixed with an output shaft of a motor (118), one side, far away from the fixed frame (117), of the wheel disc (212) is movably connected with a first transmission rod (215) through a rotating shaft, one end of the first transmission rod (215) is movably connected with a second transmission rod (216) through a rotating shaft, and one end, far away from the first transmission rod (215), of the second transmission rod (216) is movably connected with the top of the first push plate (115) through a rotating shaft.

2. A feeding device with adjustable feeding frequency for machining according to claim 1, characterized in that: one side that a set of regulating plate (311) kept away from first push pedal (115) is fixed with carriage release lever (314), and the one end of carriage release lever (314) runs through base (111) and is fixed with mark piece (315), the notch with carriage release lever (314) matched with is seted up to the outer wall of base (111), the outer wall of base (111) is carved with scale mark (317), and scale mark (317) and mark piece (315) are corresponding.

3. A feeding device with adjustable feeding frequency for machining according to claim 1, characterized in that: and a compression spring (515) is arranged on one side of the first push plate (115) close to the second push plate (116), and two ends of the compression spring (515) are respectively fixed on the first push plate (115) and the second push plate (116).