CN210312816U

CN210312816U - Emery cloth divides strip machine

Info

Publication number: CN210312816U
Application number: CN201921356739.0U
Authority: CN
Inventors: 张明飞
Original assignee: Zhengzhou Feng Hong Machinery Equipment Technology Co ltd
Current assignee: Zhengzhou Feng Hong Machinery Equipment Technology Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-04-14
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses an abrasive cloth slitting machine, include unwinding mechanism, cutting mechanism and the winding mechanism that sets gradually from left to right, unwinding mechanism includes the base and places on the base and the first support of back-and-forth movement, first support upper end is provided with the first cylinder of rotation, and cutting mechanism includes the second support, and the right-hand member of second support is provided with three guide roll, and the right-hand member of second support is provided with two hobbing cutters, is fixed with all to be fixed with photoelectric switch on the second support at the both ends of guide roll, and winding mechanism includes the third support, and third support upper end is connected with the second cylinder of rotation, and second cylinder one end is connected with drive arrangement, is provided with prepressing mechanism on the third support; the in-process that the monoblock emery cloth was feeding, the position of adjustment monoblock emery cloth on the guide roll guarantees that the monoblock emery cloth is located between two photoelectric switch all the time, prevents that the monoblock emery cloth that gets into in the hobbing cutter from taking place the skew, has guaranteed the straightness accuracy of emery cloth slitting and the uniformity of width.

Description

Emery cloth divides strip machine

Technical Field

The utility model belongs to the technical field of the emery cloth production facility, especially, relate to an emery cloth divides strip machine.

Background

The abrasive cloth is a cloth with the surface composed of grinding particles, and can be processed to manufacture a grinding wheel after being cut into strips, and the strip cutting machine is equipment for trimming, cutting and the like of wide materials according to different requirements in the production process.

In the process of cutting the abrasive cloth, the whole roll of abrasive cloth is cut by using a hobbing cutter, and because the acting force of the hobbing cutter or the rolling of the whole roll of abrasive cloth is irregular, the whole piece of abrasive cloth entering the hobbing cutter can be deviated in the process of unreeling the whole roll of abrasive cloth, so that the produced abrasive cloth is poor in cutting straightness or inconsistent in width, and the quality of a subsequently produced grinding wheel is poor; but also can cause the cross of the rolled cutting strips in the cutting strip rolling process, which is not beneficial to the subsequent production and use.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides an emery cloth divides strip machine, fine solution take place skew, slitting rolling when emery cloth slitting take place criss-cross problem.

In order to realize the purpose, the utility model discloses a technical scheme as follows: a strip-dividing machine for an abrasive cloth,

the automatic winding and unwinding device comprises an unwinding mechanism, a cutting mechanism and a winding mechanism which are sequentially arranged from left to right;

the unwinding mechanism comprises a base and a first support which is placed on the base and moves back and forth, and a rotating first roller is arranged at the upper end of the first support;

the cutting mechanism comprises a second support, three guide rollers which are distributed in a triangular mode and rotate respectively are arranged at the right end of the second support, two hobbing cutters which are parallel up and down and matched with each other are arranged at the right end of the second support, one hobbing cutter is connected with a first driving motor, and photoelectric switches are fixed on the second support at the two ends of one guide roller;

the winding mechanism comprises a third support, the upper end of the third support is connected with a rotating second roller, one end of the second roller is connected with a driving device, and a pre-pressing mechanism is arranged on the third support.

Further, the both ends of the downside of first support are provided with the gyro wheel with side contact on the base, the base middle part is fixed with the second driving motor of output shaft lead screw, and first support downside middle part is fixed with the cover and establishes the fixed block of reciprocating transmission on the lead screw.

Further, prepressing mechanism includes that the bottom is articulated with two dwangs of third support front and back side, and the dwang upper end is provided with first live-rollers and the second live-rollers that are parallel to each other about, and the middle part of dwang all is provided with the cylinder.

Further, a plurality of annular grooves are arranged on the second rotating roller.

Further, the driving device comprises a third driving motor arranged at the lower end of the third support, the third driving motor is connected with a driving chain wheel, one end of the second roller is connected with a driven gear meshed with the driving gear, the third support is provided with a driven chain wheel coaxial with the driving gear, and a chain is arranged between the driving chain wheel and the driven chain wheel.

Further, a cutter pressing device is arranged above the hob, the cutter pressing device comprises a cutter pressing frame fixed on the second support, an adjusting screw rod which is adjusted up and down is arranged in the middle of the cutter pressing frame in a penetrating mode, the lower end of the adjusting screw rod is connected with an arc-shaped plate, and two ends of the arc-shaped plate are arranged on rolling bearings.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in the production of emery cloth slitting, the monoblock emery cloth is at first around establishing on three guide rolls, photoelectric switch can be at the position on the guide roll of the in-process real-time detection monoblock emery cloth that the emery cloth fed, then first support reciprocating motion, the monoblock emery cloth is at the in-process that feeds, the position of adjustment monoblock emery cloth on the guide roll guarantees that the monoblock emery cloth is located between two photoelectric switch all the time, prevent to get into the monoblock emery cloth in the hobbing cutter and take place the skew, the straightness accuracy of emery cloth slitting and the uniformity of width have been guaranteed.

2. The mechanism of presessing passes the emery cloth slitting between first live-rollers and second live-rollers when the emery cloth slitting rolling, is winding the slitting emery cloth and establishes on the second cylinder, drives actuating cylinder and makes first live-rollers compress tightly the slitting emery cloth on the second cylinder to ring channel on the second live-rollers can be in order in advance to wind the slitting emery cloth of establishing, guarantees that the slitting emery cloth can not give birth to alternately on the second cylinder, does benefit to follow-up production.

3. The cutter pressing device ensures that the two hobbing cutters are compact in matching, ensures that the abrasive cloth is thoroughly cut, and prevents the phenomenon that the abrasive cloth is not cut in the middle.

Drawings

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

FIG. 2 is an enlarged view I of FIG. 1

FIG. 3 is a schematic structural view of an unwinding mechanism;

FIG. 4 is a schematic view of a pre-press mechanism;

FIG. 5 is a partial enlarged view II of FIG. 4;

FIG. 6 is a schematic view of the drive transmission;

FIG. 7 is a schematic view of a blade pressing device;

FIG. 8 is a schematic view of the emery cloth being wound around the guide roll;

FIG. 9 is a schematic view of the emery cloth slitting wound around the rotating roller.

In the figure: 1. an unwinding mechanism; 2. a cutting mechanism; 3. a winding mechanism; 4. a roller; 5. a second drive motor; 6. a lead screw; 7. a fixed block; 8. a knife pressing device; 9. a photoelectric switch; 81. a tool holder is pressed; 82. adjusting the screw rod; 83. a rolling bearing; 84. an arc-shaped plate; 101. a base; 102. a first bracket; 103. a first drum; 201. a second bracket; 202. a guide roller; 203. hobbing cutters; 204. a first drive motor; 301. a second drum; 302. a drive device; 303. a third support; 304. a pre-pressing mechanism; 3040. rotating the rod; 3041. A first rotating roller; 3042. a second rotating roller; 3043. a cylinder; 3044. an annular groove; 3020. a third drive motor; 3021. a drive sprocket; 3022. a driven sprocket; 3023. a chain; 3024. a driving gear; 3025. A driven gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-6, the emery cloth slitting machine of the utility model,

the automatic winding and unwinding device comprises an unwinding mechanism 1, a cutting mechanism 2 and a winding mechanism 3 which are sequentially arranged from left to right; when the unwinding mechanism 1, the cutting mechanism 2 and the winding mechanism 3 are installed and placed, the respective central axes are aligned left and right.

The unwinding mechanism 1 comprises a base 101 and a first support 102 which is placed on the base 101 and moves back and forth, a rotating first roller 103 is mounted at the upper end of the first support 102, and bearings are arranged at two ends of the first roller 103 in a penetrating manner to facilitate the rotation of the first roller 103;

specifically, the gyro wheel 4 with side contact on the base 101 is installed at the both ends of the downside of first support 102, and gyro wheel 4 can roll around, there is second driving motor 5 through the bolt fastening base 101 middle part, and second driving motor 5's output shaft has lead screw 6, and first support 102 downside middle part is fixed with the cover and establishes reciprocal driven fixed block 7 on lead screw 6, and second driving motor 5 is step motor. The second driving motor 5 can drive the screw rod 6 to rotate, and the first bracket 102 can move back and forth along with the reciprocating transmission of the fixed block 7.

The cutting mechanism 2 comprises a second support 201, three guide rollers 202 which are distributed in a triangular shape and rotate respectively are arranged at the right end of the second support 201, two hobbing cutters 203 which are parallel up and down and matched with each other are arranged at the right end of the second support 201, the lower side or the upper side of each hobbing cutter 203 is connected with a first driving motor 204, and photoelectric switches 9 are fixed on the second support 201 close to the two ends of each guide roller 202 of the first support 102; as shown in FIG. 8, the whole piece of abrasive cloth is sequentially wound on the three guide rollers 202 from right to left, and the abrasive cloth is tightly supported in the cutting process, so that the cutting quality of the abrasive cloth is improved.

The winding mechanism 3 comprises a third support 303, the upper end of the third support 303 is connected with a rotating second roller 301, one end of the second roller 301 is connected with a driving device 302, and the third support 303 is provided with a pre-pressing mechanism 304.

Specifically, the prepressing mechanism 304 includes two rotating rods 3040 hinged to the bottom end and on the front and rear sides of the third support 303, the upper end of the rotating rod 3040 is provided with a first rotating roller 3041 and a second rotating roller 3042 which are parallel to each other from left to right, the middle of the rotating rod 3040 is provided with a cylinder 3043, further, the second rotating roller 3042 is provided with a plurality of annular grooves 3044, as shown in fig. 9, the first rotating roller 3041 and the second rotating roller 3042 for cutting the abrasive cloth are wound around the middle, and then wound around the second drum 301, the cylinder 3043 is driven to make the first rotating roller 3041 press the cutting abrasive cloth onto the second drum 301, and the annular grooves 3044 can pre-arrange the cutting abrasive cloth to be wound around, so as to ensure that the cutting abrasive cloth does not cross on the second drum 301, and thus being beneficial to the subsequent production.

The driving device 302 comprises a third driving motor 3020 arranged at the lower end of the third support 303, the third driving motor 3020 is connected with a driving sprocket 3021, the front end of the second drum 301 is connected with a driven gear 3025 engaged with the driving gear 3024, the third support 303 is provided with a driven sprocket 3022 coaxial with the driving gear 3024, a chain 3023 is installed between the driving sprocket 3021 and the driven sprocket 3022, and the rotation of the second drum 301 is realized through the transmission of the sprocket and the gear, so that the slit abrasive cloth is wound.

Further, a cutter pressing device 8 is arranged above the hob 203; as shown in fig. 7, the knife pressing device 8 includes a knife pressing frame 81 fixed on the second support 201, an adjusting screw 82 for adjusting up and down is inserted in the middle of the knife pressing frame 81, the lower end of the adjusting screw 82 is connected with an arc-shaped plate 84, and rolling bearings 83 are arranged at both ends of the arc-shaped plate 84; the lower and upper adjusting tool holders 81 are arranged through the adjusting screw 82, the rolling bearings 83 are tightly pressed on the hobbing cutters 203, the two hobbing cutters 203 are compact in matching, the abrasive cloth is thoroughly cut, and the phenomenon that the abrasive cloth is not cut in the middle is prevented.

When the utility model is used, a whole piece of abrasive cloth is wound on the first roller 103, the abrasive cloth is manually pulled to be unwound, then the whole piece of abrasive cloth is sequentially wound on the three guide rollers 202 from right to left, then the abrasive cloth passes between the two hobbing cutters 203, then the abrasive cloth is sequentially wound between the first rotating roller 3041 and the second rotating roller 3042, and finally the abrasive cloth is wound between the second roller 301, the arc-shaped plate 84 is pressed by rotating the adjusting screw 82, so that the hobbing cutters 203 have certain pressure on the abrasive cloth, the whole slitting machine is electrified and ventilated, the first driving motor 204 drives the hobbing cutters 203 to cut the whole piece of abrasive cloth, the photoelectric switch 9 can detect the position of the whole piece of abrasive cloth on the guide rollers 202 in real time in the feeding process of the abrasive cloth, if the whole piece of abrasive cloth is deviated out of the two photoelectric switches, the second driving motor 5 can rotate or reversely, and drives the first bracket 102 to move back and forth, the position of the whole piece of abrasive cloth is adjusted to correct the deviation, the whole piece of abrasive cloth is ensured to be positioned between the two photoelectric switches 9 all the time, the straightness and width consistency of abrasive cloth slitting are ensured, and the driving cylinder 3043 is used for enabling the first rotating roller 3041 to compress the slitting abrasive cloth on the second roller 301.

It should be pointed out that, in order to carry out orderly operation control to each driving motor, cylinder, the utility model discloses still be provided with PLC controller and industrial computer, photoelectric switch 9 also is connected with the PLC controller to the setting of convenient to use personnel to each driving motor, cylinder operation order.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an emery cloth divides strip machine which characterized in that:

the automatic winding and unwinding device comprises an unwinding mechanism (1), a cutting mechanism (2) and a winding mechanism (3) which are sequentially arranged from right to left;

the unwinding mechanism (1) comprises a base (101) and a first support (102) which is placed on the base (101) and moves back and forth, wherein a rotatable first roller (103) is arranged at the upper end of the first support (102);

the cutting mechanism (2) comprises a second support (201), three guide rollers (202) which are distributed in a triangular shape and rotate respectively are arranged at the right end of the second support (201), two hobbing cutters (203) which are parallel up and down and matched with each other are arranged at the right end of the second support (201), one hobbing cutter (203) is connected with a first driving motor (204), and photoelectric switches (9) are fixed on the second support (201) close to the two ends of the guide rollers (202) of the first support;

the winding mechanism (3) comprises a third support (303), the upper end of the third support (303) is connected with a rotatable second roller (301), one end of the second roller (301) is connected with a driving device (302), and a pre-pressing mechanism (304) is arranged on the third support (303).

2. The abrasive cloth slitting machine according to claim 1, characterized in that: the both ends of the downside of first support (102) are provided with gyro wheel (4) with side contact on base (101), base (101) middle part is fixed with second driving motor (5) of output shaft lead screw (6), and first support (102) downside middle part is fixed with to overlap and establishes reciprocal driven fixed block (7) on lead screw (6).

3. The abrasive cloth slitting machine according to claim 1, characterized in that: the prepressing mechanism (304) comprises two rotating rods (3040) with bottom ends hinged to the front side and the rear side of the third support (303), a first rotating roller (3041) and a second rotating roller (3042) which are parallel to each other left and right are arranged between the two rotating rods (3040), and air cylinders (3043) are arranged in the middle of the rotating rods (3040).

4. A clothing slitting machine as claimed in claim 3 wherein: a plurality of annular grooves (3044) are arranged on the second rotating roller (3042).

5. The abrasive cloth slitting machine according to claim 1, characterized in that: the driving device (302) comprises a third driving motor (3020) arranged at the lower end of a third support (303), the third driving motor (3020) is connected with a driving chain wheel (3021), one end of a second roller (301) is connected with a driven gear (3025) meshed with the driving gear (3024), the third support (303) is provided with a driven chain wheel (3022) coaxial with the driving gear (3024), and a chain (3023) is arranged between the driving chain wheel (3021) and the driven chain wheel (3022).

6. A strip machine according to any one of claims 1-5, characterized in that: a cutter pressing device (8) is arranged above the hob (203), the cutter pressing device (8) comprises a cutter pressing frame (81) fixed on the second support (201), an adjusting screw (82) which can be adjusted up and down is arranged in the middle of the cutter pressing frame (81) in a penetrating mode, the lower end of the adjusting screw (82) is connected with an arc-shaped plate (84), and rolling bearings (83) are arranged at two ends of the arc-shaped plate (84).