CN212684841U - Transverse displacement mechanism of carton slotting cutter set - Google Patents

Abstract

The utility model relates to a lateral displacement mechanism of a carton slotting cutter group, which comprises a rubber roll lateral adjustment mechanism, wherein the rubber roll lateral adjustment mechanism comprises a lateral adjustment support, a motor reduction box, a ball nut, a ball screw and a bearing mechanism, the ball nut, the ball screw and the bearing mechanism are positioned inside the lateral adjustment support, and the bearing mechanism is rotatably fixed on a connecting shaft at one end of a rubber roll barrel and is fixedly connected with the ball nut; the mechanism solves the problems of serious abrasion of a transverse displacement mechanism of the existing slotting cutter set and low slotting efficiency during curved slotting, realizes long-time transverse reciprocating movement of the rubber roller, keeps uniform stress on the surface of the rubber roller, reduces abrasion of the rubber roller, simultaneously realizes simultaneous circumferential and transverse operation of the rubber roller, is convenient for the slotting cutter set to perform curved slotting, and further improves the slotting efficiency.

Description

Transverse displacement mechanism of carton slotting cutter set

Technical Field

The utility model relates to the technical field of equipment for packing, specific lateral displacement mechanism of carton fluting knife tackle that says so.

Background

In the corrugated carton equipment industry, the slotting forming effect of the carton and the edge breakage degree of the front blade and the rear blade of the slotted corrugated paper are the key for determining the finished product rate, generally, the corrugated board enters a slotting unit for processing after being printed, so that the printed finished product can be provided with corresponding notches and bending lines after passing through a slotting unit, and the corrugated board can be processed to obtain a finished product carton. In the prior art, a cutting or die cutting method is mostly adopted for slotting the carton, an upper blade and a lower blade which are machined by alloy steel are mostly cut, and in the process of cutting the paper board, the phenomenon of edge cracking is very easy to occur at the moment that the upper blade is cut into the lower blade, if the blades are not aligned slightly, so that the blades are worn too fast, the cut notch rough edges are large, even the cutting cannot be carried out, and the defect of low machining yield and fast tool wear exists. In order to avoid knife edge cracking, technicians replace a slotting cutter with a rubber roller with a soft rubber pad coated on the surface, the structure has good bearing force for the carton and good cutting effect, but the soft rubber pad in the structure is cut by the upper slotting cutter for a long time, so that the loss is serious, and curved slotting cutting cannot be realized. The die cutting method is to make a die cutting knife plate according to a required grooving line type and roll out the required grooving line type through a die cutting knife, and the method can carry out curve grooving cutting, but has low grooving efficiency and poor universality.

Chinese patent document CN103395279B discloses a plate roller electric transverse movement torsion limiting mechanism for a printing slotting die-cutting machine, which comprises a motor, an adjusting screw rod, an adjusting nut, a limiting disc and a plate roller. One end of the adjusting screw rod is embedded in the adjusting nut, the other end of the adjusting screw rod and the limiting disc form a whole through a second bearing, the limiting disc is connected with the printing roller shaft, the adjusting screw rod is driven by a motor to rotate, and the printing roller can move transversely.

Chinese patent document CN201161459 discloses a corrugated board rotary die-cutting grooving machine, wherein a die-cutting knife shaft and a die-cutting pad shaft are connected to two side wall boards of a machine body, an electric motor is a phase modulation motor, an output shaft of the electric motor is connected with a planetary electric phase mechanism arranged on the die-cutting knife shaft, a die-cutting knife is connected to the die-cutting knife shaft, the planetary electric phase mechanism is connected with the die-cutting pad shaft through a cross-shaped sliding block and a shifting lower shaft gear mechanism, a die-cutting disc pad is connected to the die-cutting pad shaft, a shifting curve wheel and a staggering chain wheel are arranged on the die-cutting pad shaft, and a plate lifting sleeve and a plate lifting cylinder are respectively arranged on two side shaft bodies of. The mechanism realizes the transverse movement of the die cutting pad shaft through the shifting curve wheel and the dislocation chain wheel, but the die cutting pad shaft in the mechanism only can realize the periodic reciprocating transverse movement, and the transverse accurate positioning can not be realized.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the above-mentioned prior art, the utility model discloses a horizontal displacement mechanism of carton fluting knife tackle, the problem of fluting inefficiency when the horizontal displacement mechanism wearing and tearing of having solved current fluting knife tackle are serious and carry out the curve fluting has realized the long-time horizontal reciprocating motion of rubber roll, keeps the even atress in rubber roll surface, has alleviateed the rubber roll wearing and tearing, has also realized rubber roll circumference and horizontal simultaneous operation simultaneously, the fluting knife tackle of being convenient for carries out the curve fluting, further promoted fluting efficiency.

The utility model discloses a specific technical scheme as follows: a transverse displacement mechanism of a carton slotting cutter set is positioned on a lower slotting rubber roll of the carton slotting cutter set and controls the transverse displacement of the lower slotting rubber roll, the transverse displacement mechanism comprises a rubber roll transverse adjusting mechanism and a rubber roll barrel, connecting shafts are arranged at two ends of the rubber roll barrel, the rubber roll transverse adjusting mechanism is positioned on the connecting shaft at one end of the rubber roll barrel, the rubber roll transverse adjusting mechanism comprises a transverse adjusting support, a motor reduction box, a ball nut, a ball screw and a bearing mechanism, the transverse adjusting support is of a hollow cylinder structure with an opening at one end, and the ball nut, the ball screw and the bearing mechanism are positioned inside the transverse adjusting support; the bearing mechanism is rotatably fixed on a connecting shaft at one end of the rubber roll barrel and is fixedly connected with the ball nut; the ball screw is rotatably fixed on one side, far away from the opening, of the transverse adjusting support, one end, provided with the spiral raceway, of the ball screw extends into the transverse adjusting support and is matched with the inner hole in the ball nut, and the other end of the ball screw is in transmission connection with the motor reduction box.

The ball screw and the ball nut have the characteristics of high precision, reversibility and high efficiency, so that the rubber roller barrel can be transversely and accurately positioned. The bearing mechanism in the rubber roller transverse adjusting mechanism fixes the rubber roller barrel in the axial direction and the radial direction, and simultaneously keeps the rubber roller barrel to rotate efficiently.

Further, bearing mechanism has adopted two sets of deep groove ball bearing, two sets of thrust ball bearing and a set of ladder axle sleeve that is equipped with the notch cuttype through-hole, the ladder axle sleeve can be fixed a plurality of bearing part positions, deep groove ball bearing and thrust ball bearing symmetry are fixed through-hole both ends on the ladder axle sleeve, just ladder axle sleeve and ball nut fixed connection, this bearing mechanism is whole rotatable to be fixed on the connecting axle of rubber roll barrel one end, wherein keeps connecting axle and ladder axle sleeve coaxial rotation through two sets of deep groove ball bearing, and when axial thrust was applyed to the connecting axle to the ladder axle sleeve simultaneously, two sets of thrust ball bearing reduced the frictional force between ladder axle sleeve and the connecting axle, made the lateral motion and the rotary motion of rubber roll barrel keep smooth and easy to reduce wearing and tearing, improve the life-span of.

Furthermore, a counter bore is formed in the end portion, close to the connecting shaft on one side of the rubber roller transverse adjusting mechanism, of the rubber roller barrel, and the counter bore is used for avoiding the ball screw so as to enlarge the transverse displacement range of the rubber roller transverse adjusting mechanism.

The rubber roller transmission mechanism comprises a rubber roller transmission gear, a torsion limiting mechanism and a rubber roller supporting mechanism, wherein the two groups of rubber roller supporting mechanisms are fixed in relative positions and are respectively arranged at two ends of a rubber roller barrel body, and the rubber roller barrel body can rotate between the two groups of rubber roller supporting mechanisms; the torsion limiting mechanism is positioned on a connecting shaft at one end of the rubber roll barrel body, which is far away from the rubber roll transverse adjusting mechanism, and can axially displace along the connecting shaft on the rubber roll barrel body; the rubber roller transmission gear is fixedly connected with the torsion limiting mechanism, and the rubber roller transmission gear can be rotatably fixed on the rubber roller supporting mechanism close to the torsion limiting mechanism.

The torque limiting mechanism has the functions that when the required torque exceeds a set value due to overload of the rubber roller barrel or mechanical failure, the torque limiting mechanism limits the torque transmitted by the rubber roller transmission gear in a slipping mode, and the torque limiting mechanism automatically restores connection after the overload condition disappears, so that mechanical damage is prevented. The utility model provides a torsion limiting mechanism can restrict the torsion that rubber roll drive gear transmitted on the one hand, and on the other hand, when long-time back of using, rubber roll barrel rubberizing pad wearing and tearing are not unified with last slotting tool linear velocity, can carry out the linear velocity compensation of rubber roll barrel through skidding of friction disc among the torsion limiting mechanism.

Furthermore, a plurality of groups of annular shaft sleeves are fixed on the connecting shaft corresponding to the rubber roll supporting mechanism, the annular shaft sleeves can avoid the direct contact between the connecting shaft and the rubber roll supporting mechanism to cause the abrasion between the connecting shaft and the rubber roll supporting mechanism, and the annular shaft sleeves are small in size, can be disassembled and replaced, and are low in replacement cost.

Furthermore, a needle bearing is arranged between the annular shaft sleeve and the rubber roll supporting mechanism, and oil seals are arranged on two sides of the needle bearing, so that the structure further reduces the friction loss between the annular shaft sleeve and the rubber roll supporting mechanism, and the service life is prolonged.

Furthermore, a guide key is arranged on the connecting shaft at the position corresponding to the torque limiting mechanism, a key groove with two ends penetrating through is arranged in the inner hole of the torque limiting mechanism, and the guide key is connected with the key groove in a matching manner.

Further, be equipped with multiunit annular cushion on the rubber roll barrel, just annular cushion arranges along the axis direction of rubber roll barrel, annular cushion can reduce the risk that the edge of a knife collapses bad in the fluting knife tackle, because fluting knife tackle is through going up the sword meshing fluting among the prior art, the loss between the two is comparatively serious, and for reducing the blade loss, use low-cost annular cushion to replace down the fluting sword, can reduce the loss of fluting blade, when certain annular cushion loss is serious or even damages, only need dismantle this annular cushion down, it can to change new annular cushion.

Furthermore, an encoder used for measuring angular displacement of the ball screw is fixedly connected to the rubber roll transverse adjusting mechanism, the encoder can convert the rotational displacement of the ball screw into a digital pulse signal, and the control system can accurately control the rotating speed of the motor according to the pulse signal so as to adjust the rotating speed of the ball screw and realize accurate control of the transverse displacement of the rubber roll.

The utility model discloses in through the slew velocity and the direction of rotation of control rubber roll drive gear and rubber roll horizontal adjustment mechanism, can carry out the curve type fluting on the carton: the rubber roller transmission gear controls the paper box to move forwards or backwards along the paper feeding direction, the rubber roller transverse adjusting mechanism controls the paper box to move transversely along the direction perpendicular to the paper feeding direction, so that a curve type slotting effect is achieved on the paper box, the bending degree of a curve can be controlled by controlling the transverse displacement rate of the rubber roller transverse adjusting mechanism, and the paper box is suitable for slotting lines of different curvatures.

Compared with the prior art, the utility model, have following advantage:

1) the utility model discloses in through ball and ball nut complex mode, convert ball's rotary motion into the lateral displacement of rubber roll barrel, make the even atress in rubber roll barrel surface, avoid the fluting to go up the sword and continuously cut the annular cushion on rubber roll surface to reduce the loss of annular cushion on the rubber roll barrel, promote annular cushion life.

2) The utility model discloses well rubber roll barrel has realized horizontal and circumference simultaneous movement, makes the long-time horizontal reciprocating motion of rubber roll barrel through the rubber roll horizontal adjustment mechanism, and this fluting knife tackle can realize carrying out the cutting of curvilinear figure to the carton through the cooperation of two kinds of motion, is suitable for the fluting occasion of different camber line types, avoids repeated tool changing, has also further promoted fluting efficiency.

3) The utility model discloses well adoption is including the multiple lubricated mechanism of bearing, has reduced the friction loss between the part, has promoted the life of fluting knife tackle.

4) The utility model discloses in through torsion limiting mechanism, the torsion that restriction rubber roll drive gear transmitted comes, when avoiding the rubber roll barrel to overload or mechanical failure, takes place to damage to torsion limiting mechanism can take place to skid when the linear velocity on rubber roll barrel surface is nonuniform, compensates the linear velocity on rubber roll surface.

Drawings

Fig. 1 is a cross-sectional view of the internal structure of a lateral displacement mechanism of a carton grooving tool set according to an embodiment of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 1;

the specific meanings of the reference numbers in the drawings:

1-rubber roll cylinder, 101-first connecting shaft, 102-second connecting shaft, 10211-counter bore, 2-rubber roll transmission gear, 3-torsion limiting mechanism, 4-rubber roll supporting structure, 5-rubber roll transverse adjusting mechanism, 501-bearing mechanism, 50111-stepped shaft sleeve, 50112-deep groove ball bearing, 50113-thrust ball bearing, 502-transverse adjusting support, 503-ball nut, 504-ball screw rod, 6-annular shaft sleeve, 7-needle bearing and 8-oil seal.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that the embodiments described herein are merely illustrative and explanatory of the present invention, and are not restrictive of the invention.

Example (b):

referring to fig. 1, a lateral displacement mechanism of a carton grooving cutter set is located on a lower grooving rubber roll of the carton grooving cutter set and controls lateral displacement of the lower grooving rubber roll, the lateral displacement mechanism comprises a rubber roll cylinder 1 in a stepped shaft structure, a rubber roll transmission gear 2, a torsion limiting mechanism 3, a rubber roll supporting mechanism 4 and a rubber roll lateral adjustment mechanism 5, two groups of rubber roll supporting mechanisms 4 are fixed in relative positions and are arranged at two ends of the rubber roll cylinder 1, and the rubber roll cylinder 1 is rotatably fixed between the two groups of rubber roll supporting mechanisms 4; a first connecting shaft 101 and a second connecting shaft 102 are respectively arranged at two ends of the rubber roller barrel body 1, wherein the first connecting shaft 101 is sleeved and connected with the torsion limiting mechanism 3, and the torsion limiting mechanism 3 can move along the axial direction of the first connecting shaft 1 and is fixed along the circumferential direction; the rubber roll transmission gear 2 is rotatably sleeved on the rubber roll supporting mechanism 4 on the same side as the torque limiting mechanism 3 and is fixedly connected with the torque limiting mechanism 3; the rubber roll transverse adjusting mechanism 5 is positioned on the second connecting shaft 102 and is connected with the rubber roll supporting mechanism 4 close to the second connecting shaft 102.

The rubber roll transverse adjusting mechanism 5 comprises a transverse adjusting support 502, a motor reduction box 505, a ball nut 503, a ball screw 504 and a bearing mechanism 501, wherein the transverse adjusting support 502 is of a hollow cylinder structure with an opening at one end, the ball nut 503, the ball screw 504 and the bearing mechanism 501 are all positioned inside the transverse adjusting support 502, and the opening side of the transverse adjusting support 502 is fixedly connected with the rubber roll supporting mechanism 4 close to the second connecting shaft 102; the bearing mechanism 501 is rotatably fixed on the second connecting shaft 102 and is fixedly connected with the ball nut 503; the ball screw 504 is rotatably fixed on one side of the horizontal adjusting support 502 far away from the opening, one end of the ball screw 504 with a spiral raceway extends into the horizontal adjusting support 502 to be matched with an inner hole of the ball nut 503, and the other end of the ball screw is in transmission connection with the motor reduction box 505.

In this embodiment, in order to ensure that the rubber roller has a sufficient lateral displacement distance, a counter bore 10211 is disposed at an end of the second connecting shaft 102 on the rubber roller cylinder 1, and when the rubber roller cylinder 1 is displaced laterally, the ball screw 504 may extend into the counter bore 10211.

In actual work, the lateral displacement and the rotation movement between the rubber roll supporting mechanism 4 and the rubber roll barrel 1 are frequent, the friction loss is serious, and in order to reduce the abrasion between the rubber roll supporting mechanism 4 and the rubber roll barrel 1 and ensure the smooth movement process, as shown in fig. 3, a plurality of groups of annular shaft sleeves 6 are sleeved between the rubber roll supporting mechanism 4 and the rubber roll barrel 1, needle roller bearings 7 are arranged between gaps between the annular shaft sleeves 6 and the rubber roll supporting mechanism 4, lubricating oil is filled in the gaps, and the lubricating oil is sealed by oil seals 8.

The transverse displacement mechanism in the embodiment can realize the periodic transverse displacement of the rubber roller cylinder in the rotating working process of the rubber roller cylinder, in order to achieve the above function, as shown in fig. 2, the bearing mechanism 501 in this embodiment employs two sets of deep groove ball bearings 50112, two sets of thrust ball bearings 50113, and a set of stepped bushings 50111 provided with stepped through holes, the deep groove ball bearings 50112 and the thrust ball bearings 50113 are symmetrically fixed at two ends of the through hole of the stepped shaft sleeve 50111, then the stepped shaft sleeve 50111 is fixedly connected with the ball nut 503, the deep groove ball bearing 50112 and the thrust ball bearing 50113 are fixed on the second connecting shaft 102 by a gland and a nut, by adopting the structure, when the ball screw 504 moves to pull the rubber roller cylinder 1 to transversely displace, meanwhile, no friction force or extremely low friction force in the axial direction of the rubber roller barrel body 1 can be kept, so that the rotating motion and the transverse displacement process of the rubber roller barrel body 1 are smoother.

The hole of torsion limiting mechanism 4 is equipped with the keyway that runs through whole hole, be equipped with the guide key on the first connecting axle 101 that torsion limiting mechanism 4 corresponds the position, through the guide key is connected with the rectangular channel cooperation, fixes along circumference between torsion limiting mechanism 4 and the first connecting axle 101, and through the spacing of guide key and keyway, and the axial displacement of first connecting axle 101 can be followed to torsion limiting mechanism 4.

The complete working process of the transverse displacement mechanism in the embodiment is as follows:

the motor transmits power to the torsion limiting mechanism 3 through the rubber covered roller transmission gear 2, the torsion limiting mechanism 3 rotates and transmits power to the rubber covered roller body 1 through the guide key to drive the rubber covered roller body 1 to rotate, meanwhile, an external motor in the rubber covered roller transverse adjusting mechanism 5 is transmitted through the motor reduction box 505 to drive the ball screw 504 to rotate, the rotating motion of the ball screw 504 is converted into the transverse displacement motion of the ball nut 503 through the ball nut 503, the ball nut 503 drives the bearing mechanism 501 and the second connecting shaft 102 connected with the bearing mechanism to transversely move, and further drives the rubber covered roller body 1 to transversely move, the ball screw 504 rotates clockwise or anticlockwise by controlling the forward and reverse rotation of the motor to drive the rubber covered roller body 1 to reciprocally and transversely move, meanwhile, an encoder is arranged on the side face of the motor reduction box 505 in the rubber covered roller transverse adjusting mechanism to measure the angular displacement of the transverse adjusting screw 504 and feed back to the control system to control the rotating speed and rotating, and then realize the accurate positioning of rubber roll barrel.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a lateral displacement mechanism of carton fluting knife tackle, is located the lower fluting rubber roll of carton fluting knife tackle, and fluting rubber roll lateral displacement under the control, this lateral displacement mechanism include rubber roll lateral adjustment mechanism and rubber roll barrel, the both ends of rubber roll barrel are equipped with the connecting axle, rubber roll lateral adjustment mechanism is located the connecting axle of rubber roll barrel one end, characterized in that: the rubber roll transverse adjusting mechanism comprises a transverse adjusting support, a motor reduction box, a ball nut, a ball screw and a bearing mechanism, wherein the transverse adjusting support is of a hollow cylinder structure with an opening at one end, and the ball nut, the ball screw and the bearing mechanism are all positioned inside the transverse adjusting support; the bearing mechanism is rotatably fixed on a connecting shaft at one end of the rubber roll barrel and is fixedly connected with the ball nut; the ball screw is rotatably fixed on one side, far away from the opening, of the transverse adjusting support, one end, provided with the spiral raceway, of the ball screw extends into the transverse adjusting support and is matched with the inner hole in the ball nut, and the other end of the ball screw is in transmission connection with the motor reduction box.

2. The lateral displacement mechanism of claim 1 wherein: bearing mechanism has adopted two sets of deep groove ball bearing, two sets of thrust ball bearing and a ladder axle sleeve that is equipped with the notch cuttype through-hole, deep groove ball bearing and thrust ball bearing symmetry are fixed the through-hole both ends of ladder axle sleeve, just ladder axle sleeve and ball nut fixed connection.

3. The lateral displacement mechanism of claim 2 wherein: and a counter bore is formed in the end part, close to the connecting shaft on one side of the rubber roll transverse adjusting mechanism, of the rubber roll barrel.

4. The lateral displacement mechanism of claim 3 wherein: the rubber roller transmission mechanism is characterized by further comprising a rubber roller transmission gear, a torsion limiting mechanism and a rubber roller supporting mechanism, wherein the two groups of rubber roller supporting structures are fixed in relative positions and are respectively arranged at two ends of the rubber roller barrel body, and the rubber roller barrel body is movably connected with the rubber roller supporting mechanism; the torsion limiting mechanism is positioned on a connecting shaft at one end of the rubber roll barrel body, which is far away from the rubber roll transverse adjusting mechanism, and can axially displace along the connecting shaft on the rubber roll barrel body; the rubber roller transmission gear is fixedly connected with the torsion limiting mechanism, and the rubber roller transmission gear can be rotatably fixed on the rubber roller supporting mechanism close to the torsion limiting mechanism.

5. The lateral displacement mechanism of claim 4 wherein: and a plurality of groups of annular shaft sleeves are fixed on the connecting shaft at positions corresponding to the rubber roll supporting mechanisms.

6. The lateral displacement mechanism of claim 5 wherein: and a needle bearing is arranged between the annular shaft sleeve and the rubber roll supporting mechanism, and oil seals are arranged on two sides of the needle bearing.

7. The lateral displacement mechanism of claim 6 wherein: the connecting shaft at the corresponding position of the torque limiting mechanism is provided with a guide key, the inner hole of the torque limiting mechanism is provided with a key groove with two ends penetrating through, and the guide key is connected with the key groove in a matched mode.

8. The lateral displacement mechanism of claim 7 wherein: the rubber roll barrel is provided with a plurality of groups of annular rubber cushions, and the annular rubber cushions are arranged along the axis direction of the rubber roll barrel.

9. The lateral displacement mechanism of claim 8 wherein: and the rubber roll transverse adjusting mechanism is fixedly connected with an encoder for measuring the angular displacement of the ball screw.

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