CN109648130B - Steel bar cutting machine - Google Patents
Steel bar cutting machine Download PDFInfo
- Publication number
- CN109648130B CN109648130B CN201811624501.1A CN201811624501A CN109648130B CN 109648130 B CN109648130 B CN 109648130B CN 201811624501 A CN201811624501 A CN 201811624501A CN 109648130 B CN109648130 B CN 109648130B
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- China
- Prior art keywords
- feeding
- wheel
- conveying
- switch
- shearing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
- B23D15/04—Shearing machines or shearing devices cutting by blades which move parallel to themselves having only one moving blade
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/20—Storage arrangements; Piling or unpiling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F23/00—Feeding wire in wire-working machines or apparatus
Abstract
The invention discloses a steel bar cutting machine which comprises a shearing mechanism, a contact switch, a discharging mechanism and a conveying mechanism, wherein the conveying mechanism is positioned between the shearing mechanism and the discharging mechanism; the conveying mechanism comprises a feeding wheel, a pressing wheel used for pressing the steel bars on the feeding wheel and a driving motor used for driving the feeding wheel; the contact switch is electrically connected with the first electromagnetic control device, and the first electromagnetic control device comprises a shearing control switch electrically connected with the shearing mechanism and a conveying control switch electrically connected with the driving motor. The steel bar is pushed to a position between a pressing wheel and a feeding wheel in the conveying mechanism through a feeding cylinder and then is conveyed to a shearing mechanism, and when the end of the steel bar is in contact with a contact switch, a driving motor stops and the shearing mechanism starts to shear; after the cutting is finished, the contact switch is disconnected, the cutting knife is lifted and restored, and the driving motor is started again.
Description
Technical Field
The invention relates to the technical field of cutting equipment, in particular to a steel bar cutting machine.
Background
Application publication number is CN 103658463A, Chinese patent that application publication date is 2014 year 03 month 26 discloses a full-automatic bar cutter, the bar shears the sword and passes through the slide rail structure and be connected with the frame, be provided with automatic returning face plate in one side of frame, the opposite side at automatic returning face plate is provided with the normally open contact that the reinforcing bar tip can touch, normally open contact is connected with electromagnetic control device, when wanting to cut the reinforcing bar and touch normally open contact, normally open contact is closed, electromagnetic control device starts, the reinforcing bar shears the sword and cuts off the reinforcing bar, the assigned position is carried with the reinforcing bar to automatic returning face plate, greatly reduced intensity of labour, and the labor efficiency is improved. Because the slide rail structure and the return spring are arranged between the steel bar shearing knife and the rack, the steel bar shearing knife can slide on the slide rail in a reciprocating manner.
Above-mentioned full-automatic reinforcing bar cutter through the setting of normally opening the contact, can enough reach automatic cutout's effect after sending into the cutter with the reinforcing bar. However, the steel bar cutting machine is only suitable for coiled materials, and only can cut a single steel bar for a rod-shaped steel bar, and after the steel bar is cut, an operator needs to manually place the steel bar in the cutting machine to perform the next cutting operation.
Disclosure of Invention
The invention aims to provide a steel bar cutting machine, which realizes full-automatic production from feeding to cutting of steel bars.
The technical purpose of the invention is realized by the following technical scheme:
a steel bar cutting machine comprises a shearing mechanism, a contact switch, a discharging mechanism and a conveying mechanism, wherein the conveying mechanism is positioned between the shearing mechanism and the discharging mechanism;
the conveying mechanism comprises a feeding wheel, a pressing wheel used for pressing the steel bars on the feeding wheel and a driving motor used for driving the feeding wheel;
the contact switch is electrically connected with a first electromagnetic control device, and the first electromagnetic control device comprises a shearing control switch electrically connected with the shearing mechanism and a conveying control switch electrically connected with the driving motor.
According to the arrangement, the steel bars are placed on the placing table, the steel bars are pushed to a position between the pressing wheel and the feeding wheel in the conveying mechanism through the feeding air cylinder, the driving motor is started to drive the feeding wheel to rotate at the moment, so that the steel bars are conveyed to the shearing mechanism, and when the end portions of the steel bars are in contact with the contact switch, the driving motor stops, and the shearing mechanism is started to shear; in the process, the steel bars can be guaranteed to be very stable in the shearing process under the limiting action of the pressing wheel and the feeding wheel. After the cutting is finished, the contact switch is disconnected, the cutting knife is lifted and restored, and the driving motor is started again.
More preferably: the conveying mechanism further comprises a mounting frame used for mounting the feeding wheels and the pressing wheels, the pressing wheels are connected to the mounting frame in a sliding mode along the vertical direction, the feeding wheels are located under the pressing wheels, and elastic pieces used for providing force tending to the feeding wheels to the pressing wheels are arranged on the mounting frame.
Due to the arrangement, the steel bars are pressed on the conveying wheel by the pressing wheel under the action of elastic force through the elastic piece, so that the conveying of the steel bars can be better kept; and the feeding wheel is arranged below, so that rigid support is provided by the feeding wheel during cutting.
More preferably: a normally closed touch switch is arranged on the mounting frame and is positioned right above the pinch roller, and when steel bars are placed between the pinch roller and the feeding wheel, the pinch roller is in contact with the touch switch; the touch switch is electrically connected with a second electromagnetic control device, and the second electromagnetic control device is provided with a feeding control switch electrically connected with the feeding air cylinder.
Due to the arrangement, when the conveying mechanism conveys the steel bar, the pressing wheel moves upwards under the action of the steel bar to abut against the touch switch, and at the moment, the touch switch is normally closed, so that the touch switch is disconnected, and the feeding air cylinder cannot be started; and when no steel bar exists in the conveying mechanism, the touch switch is closed, and the feeding air cylinder is started to convey the steel bar to the conveying mechanism.
More preferably: the rack includes the portion of placing that pay-off portion and slope set up, be equipped with on the portion of placing and block that the billet rolls to the conveying gear of pay-off portion, the billet on the portion of placing can follow conveying gear rotates and carries to the pay-off portion.
So set up, place the placing part with a certain amount of steel pipes on, because the placing part is the slope, consequently, under the blockking of conveying gear, the steel pipe all can slowly pile up towards pay-off portion direction, and when no steel pipe in the pay-off portion, conveying gear starts to rotate certain angle, sends a billet to the pay-off portion on.
More preferably: the rack is provided with an inductor for controlling the conveying gear.
So set up, when the inductor does not sense the billet in pay-off portion, can automatic start carry gear to realize more intellectuality, need not to carry out mechanized start through modes such as setting up interval time, also can avoid the maloperation to beat simultaneously and take place.
More preferably: the inclination angle of the placing part is 5-10 degrees.
So set up, make the billet can roll to pay-off portion direction along the portion of placing, can not lead to the billet at rear to roll the top of preceding steel bar and directly roll in the pay-off portion simultaneously because the slope is great, produce the influence to normal continuous production.
More preferably: the rack is further provided with a normally open switch used for controlling the driving motor, and the normally open switch is located right above the pressing wheel.
So set up, when the billet was between pay-off wheel and pinch roller, the pinch roller shifts up and contradicts normally open switch and makes it closed, starts driving motor, and driving motor stops otherwise.
More preferably: the shearing mechanism is provided with a material collecting mechanism consisting of two inclined guide rods with J-shaped structures, and one end of each guide rod is arranged below the shearing mechanism.
So set up, the billet of cutting falls on two guide bars, then rolls to the guide bar tip and bends the storage position that forms in, should set up simple structure, get the material convenience.
More preferably: the limiting claw is arranged at one end, below the shearing mechanism, of the collecting mechanism, a metal brace is arranged on the shearing machine, a lantern ring for sleeving the metal brace is arranged on the limiting claw, and the limiting claw swings along with the action of the shearing mechanism.
So set up, move down the in-process at the shear knife, the metal brace can push down the restriction claw, forms closed space between restriction claw and guide bar, in the twinkling of an eye with the billet cut off and the in-process that drops, the billet can not incline under the combined action of restriction claw and guide bar, then the restriction claw lifts up that the back billet can be smooth roll along two guide bars and fall in the portion of accomodating that the guide bar tip formed of bending.
In conclusion, the automatic steel bar feeding device can place a plurality of steel bars on the placing frame at one time, and then carry out continuous automatic feeding through the feeding air cylinder, so that full-automatic production from feeding to cutting of the steel bars is realized.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
FIG. 2 is a schematic structural view of a discharge mechanism in the embodiment;
FIG. 3 is a schematic structural view of the conveying mechanism in the present embodiment;
fig. 4 is a schematic structural view of the shearing mechanism in the present embodiment.
In the figure, 1, a discharging mechanism; 11. placing a rack; 111. a feeding part; 112. a placement section; 12. a feeding cylinder; 13. a baffle plate; 14. a conveying gear; 15. an inductor; 2. a conveying mechanism; 21. a mounting frame; 211. a chute; 212. a slider; 213. an elastic member; 22. a feed wheel; 23. a pinch roller; 24. a drive motor; 25. a touch switch; 26. a normally open switch; 3. a shearing mechanism; 31. a shearing knife; 311. cutting the block; 4. a contact switch; 5. a material collecting mechanism; 51. a guide bar; 511. a storage portion; 6. a limiting claw; 61. rotating the rod; 62. a collar; 7. metal riblets.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
A steel bar cutting machine is shown in figure 1 and comprises a discharging mechanism 1, a conveying mechanism 2, a shearing mechanism 3 and a contact switch 4 which are sequentially arranged along the conveying direction.
As shown in fig. 2, the material placing mechanism 1 comprises a placing frame 11 and a feeding cylinder 12, wherein the placing frame 11 comprises a feeding part 111 and a placing part 112, the placing part 112 is arranged in a small inclined manner, and the inclined angle is 5-10 °. The feeding part 111 is located at the lower side of the placing part 112 and connected with the placing part 112, a baffle 13 is arranged at the side of the feeding part 111 far away from the placing part 112, and the feeding cylinder 12 is arranged at the side of the feeding part 111 far away from the conveying mechanism 2 and used for pushing steel bars on the feeding part 111 out of the conveying mechanism 2.
At least two conveying gears 14 are arranged at the position of the placing part 112 close to the feeding part 111, the conveying gears 14 protrude out of the placing part 112 to block steel bars on the placing part 112, the two conveying gears 14 are connected through a rotating shaft to realize synchronous rotation, and the rotating shaft is driven by a stepping motor. The baffle 13 of the feeding portion 111 is provided with the inductor 15, the inductor 15 is arranged at one end of the feeding portion 111 close to the conveying mechanism 2, the inductor 15 is used for controlling the conveying gear 14, the inductor 15 is used for detecting whether steel bars exist on the feeding portion 111 or not, when the steel bars exist, the conveying gear 14 cannot be started to rotate, when the feeding portion 111 does not exist, the conveying gear 14 is started to rotate, and one steel bar is conveyed to the feeding portion 111 from the placing portion 112 through rotating a certain angle.
As shown in fig. 1 and 3, the conveying mechanism 2 includes a mounting frame 21, a feeding wheel 22, a pressing wheel 23 and a driving motor 24, wherein the feeding wheel 22 is rotatably connected to the mounting frame 21 and is connected with the driving motor 24 through a belt pulley. Two sliding grooves 211 are arranged on the mounting frame 21, a sliding block 212 is arranged in each sliding groove 211, and the pressing wheel 23 is rotatably connected between the two sliding blocks 212 and is positioned right above the feeding wheel 22. An elastic member 213 is disposed in each of the two sliding slots 211, the elastic member 213 is a spring, and the pressing wheel 23 is pressed against the feeding wheel 22 by the slider 212 under the elastic force of the spring.
A normally closed touch switch 25 and a normally open switch 26 are mounted on the mounting frame 21, the touch switch 25 is located right above the pinch roller 23, and when steel bars are placed between the pinch roller 23 and the feeding wheel 22, the pinch roller 23 contacts with the touch switch 25. The touch switch 25 is electrically connected with a second electromagnetic control device, the second electromagnetic control device is provided with a feeding control switch which is electrically connected with the feeding cylinder 12, when the pressing wheel 23 is not in contact with the touch switch 25, the touch switch 25 is in a normally closed state, and the feeding cylinder 12 is started; on the contrary, the touch switch 25 is turned off, at this time, the control circuit of the feeding cylinder 12 is turned off, and the feeding cylinder 12 is not started.
The normally open switch 26 is located right above the pinch roller 23, electrically connected with the driving motor 24, and used for controlling the start and stop of the driving motor 24.
As shown in fig. 1 and 4, the cutting mechanism 3 is a punch press, and a cutting block 311 is disposed on a punch arm of the punch press and a table of the punch press, respectively, and the two cutting blocks 311 together form a cutting blade 31.
The contact switch 4 is installed at one end of the shearing mechanism 3 far away from the conveying mechanism 2, the contact switch 4 is electrically connected with a first electromagnetic control device, and the first electromagnetic control device comprises a shearing control switch electrically connected with the shearing mechanism 3 and a conveying control switch electrically connected with the driving motor 24.
As shown in fig. 4, a material collecting mechanism 5 is provided on the table of the press, the material collecting mechanism 5 includes two pieces, and the guide rod 51 has a J-shaped structure, one end of which is not bent is fixed on the table, and the other end is inclined downward at a bent position to form a receiving portion 511.
Be provided with spacing claw 6 on the workstation of punch press, spacing claw 6 includes that two are the arc pole of kickup, two arc pole fixed mounting are on a rotation pole 61, and arc pole one end is connected on the workstation of punch press, is provided with the lantern ring 62 on the arc pole, is connected with a metal brace 7 between the arm of dashing of punch press and lantern ring 62, and metal brace 7 one end fixed connection is on the arm of dashing of punch press, the other end is connected with the lantern ring 62. During the downward movement of the punching arm, the metal pull strip 7 presses down the limiting claw, so that a closed space is formed between the limiting claw and the guide rod 51.
The working principle is as follows: when no steel bar exists between the feeding roller and the pressing roller, the pressing roller is separated from the touch switch 25 and the normally open switch 26, at the moment, the normally open switch 26 is in a disconnected state, and the driving motor 24 cannot be started; the touch switch 25 is in a closed state, and the feed cylinder 12 is activated to push the steel strip on the feeding portion 111 into the conveying mechanism 2.
When the steel bar is pushed between the feeding wheel 22 and the pressing wheel 23, the pressing wheel 23 moves upwards to contact with the touch switch 25 and the normally open switch 26 at the same time, at this time, the feeding air cylinder 12 stops and resets, and the driving motor 24 is started to drive the steel bar to continue to be conveyed forwards.
When the end of the steel bar collides with the contact switch 4, the shearing mechanism 3 is actuated to cut the steel bar, and the cut steel bar is limited in the closed space between the limiting claw 6 and the guide rod 51, and after the punching arm of the punching machine moves up, the limiting claw 6 is separated from the guide rod 51, so that the steel bar rolls down along the guide rod 51 to the receiving portion 511.
In the above-mentioned conveying process, after the tail of the steel strip on the feeding portion 111 passes through the inductor 15, the conveying gear 14 is started to feed one steel strip in the placing portion 112 into the feeding portion 111.
When the tail of the steel strip leaves the conveying mechanism 2, the pinch roller 23 moves downwards, the normally open switch 26 is switched off to stop the driving motor 24, the touch switch 25 is switched on again, and the steel strip on the feeding part 111 is continuously fed into the conveying mechanism 2.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the present invention.
Claims (3)
1. The utility model provides a billet guillootine, includes shears mechanism (3) and contact switch (4), characterized by: the automatic feeding device is characterized by further comprising a discharging mechanism (1) and a conveying mechanism (2) located between the shearing mechanism (3) and the discharging mechanism (1), wherein the discharging mechanism (1) comprises a placing frame (11) and a feeding cylinder (12) arranged at one end, far away from the shearing mechanism (3), of the placing frame (11);
the conveying mechanism (2) comprises a feeding wheel (22), a pressing wheel (23) for pressing the steel bars on the feeding wheel (22), and a driving motor (24) for driving the feeding wheel (22);
the contact switch (4) is electrically connected with a first electromagnetic control device, and the first electromagnetic control device comprises a shearing control switch electrically connected with the shearing mechanism (3) and a conveying control switch electrically connected with a driving motor (24);
the conveying mechanism (2) further comprises an installation frame (21) used for installing a feeding wheel (22) and a pressing wheel (23), the pressing wheel (23) is connected to the installation frame (21) in a sliding mode along the vertical direction, the feeding wheel (22) is located right below the pressing wheel (23), and an elastic piece (213) used for providing a force tending to the feeding wheel (22) to the pressing wheel (23) is arranged on the installation frame (21);
a normally closed touch switch (25) is arranged on the mounting rack (21), the touch switch (25) is positioned right above the pressing wheel (23), and when steel bars are placed between the pressing wheel (23) and the feeding wheel (22), the pressing wheel (23) is in contact with the touch switch (25); the touch switch (25) is electrically connected with a second electromagnetic control device, and the second electromagnetic control device is provided with a feeding control switch which is electrically connected with the feeding cylinder (12);
the placing rack (11) comprises a feeding part (111) and a placing part (112) which is obliquely arranged, wherein a conveying gear (14) for preventing the steel bars from rolling to the feeding part (111) is arranged on the placing part (112), and the steel bars on the placing part (112) can rotate along with the conveying gear (14) and are conveyed to the feeding part (111);
a normally open switch (26) used for controlling the driving motor (24) is further arranged on the placing frame (11), and the normally open switch (26) is located right above the pressing wheel (23);
the shearing mechanism (3) is provided with a material collecting mechanism (5) consisting of two inclined guide rods (51) with J-shaped structures, one end of each guide rod (51) is arranged below the shearing mechanism (3)
The mechanism that gathers materials (5) are located the one end of shearing mechanism (3) below and are provided with the restriction claw, be provided with a metal brace (7) on the cutter, be provided with lantern ring (62) that supply metal brace (7) cover to establish on the restriction claw.
2. A steel bar cutting machine according to claim 1, characterized in that: an inductor used for controlling the conveying gear (14) is arranged on the placing rack (11).
3. A steel bar cutting machine according to claim 1, characterized in that: the inclination angle of the placing part (112) is 5-10 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624501.1A CN109648130B (en) | 2018-12-28 | 2018-12-28 | Steel bar cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624501.1A CN109648130B (en) | 2018-12-28 | 2018-12-28 | Steel bar cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109648130A CN109648130A (en) | 2019-04-19 |
| CN109648130B true CN109648130B (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811624501.1A Active CN109648130B (en) | 2018-12-28 | 2018-12-28 | Steel bar cutting machine |
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| CN (1) | CN109648130B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658168A (en) * | 2020-12-09 | 2021-04-16 | 江西森通新材料科技有限公司 | Cutting device is used in processing of bonding gold wire |
| CN114367604A (en) * | 2022-01-12 | 2022-04-19 | 上饶市达淋新材料有限公司 | A cut off mould for FFC pencil production |
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| CN1178150A (en) * | 1996-09-28 | 1998-04-08 | 柴绍坤 | Method and apparatus for machining internal thread with hydraulic driving tools |
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| CN109648130A (en) | 2019-04-19 |
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