CN206644019U - A cutter shaft structure of a cross-cutting machine - Google Patents

Abstract

The utility model relates to the technical field of packaging mechanical structures, in particular to a cutter shaft structure of a transverse cutting machine, wherein the other end of a guide shaft passes through a guide hole; an upper swing shaft is fixedly arranged on the shaft head of the upper roller; an upper rotating shaft is fixedly arranged on the upper swing shaft; one end of the first connecting rod is hinged with one end face of the guide plate; the other end of the first connecting rod is hinged with the upper rotating shaft; a lower swing shaft is fixedly arranged on the shaft head of the lower roller; a lower rotating shaft is fixedly arranged on the lower swing shaft; one end of the second connecting rod is hinged with one end surface of the guide plate; the other end of the second connecting rod is hinged with the lower rotating shaft. When the utility model is used, the lead screw is driven to rotate by the stepping motor, so that the guide plate slides directionally along the direction of the guide shaft, and then the first connecting rod and the second connecting rod are driven to move, so that the upper roller and the lower roller synchronously rotate in the same direction, and the product is cut by the lower cutter and the upper cutter; the structure only uses one motor as power output for product cutting, thereby effectively reducing the production input cost.

Description

A cutter shaft structure of a cross-cutting machine

technical field

The utility model relates to the technical field of packaging machinery structures, in particular to a cutter shaft structure of a cross-cutting machine.

Background technique

The cross-cutting machine is a kind of equipment used in the corrugated cardboard production line to cut the continuous corrugated cardboard horizontally into the cardboard with the required length and specification. Composition, due to the overall mass of the upper and lower cutter shafts is relatively large, if most of the dual-drive types on the market are used, and the upper and lower cutter shafts are driven by different motors, the cost will be greatly increased, which cannot meet the actual production needs of the cross-cutting machine.

Therefore, it is necessary to carry out further technological innovation to the structure of the cutter shaft of the existing cross-cutting machine.

Utility model content

The purpose of the utility model is to provide a cutter shaft structure of a cross-cutting machine with relatively low input cost aiming at the defects and deficiencies of the prior art.

For realizing above-mentioned object, the technical scheme that the utility model adopts is:

The cutter shaft structure of a cross-cutting machine described in the utility model includes a guide shaft, a screw rod, a guide plate, a fixed plate, an upper roller, a first connecting rod, a lower roller, a second connecting rod and a supporting plate The number of the support plates is two; the two ends of the upper roller and the two ends of the lower roller are inserted and fixed with bearings; the two bearings on the upper roller are respectively fixed on the two support plates above; the two bearings on the lower roller are respectively fixed on two support plates; the outer rings of the bearings are fixedly connected to the support plates; the outer wall of the upper roller is provided with an upper cutter; The outer wall of the cylinder body of the lower roller is provided with a lower cutter; the end surface of the guide plate is respectively provided with a threaded hole and a guide hole; one end of the guide shaft is fixedly connected with the fixed plate; the other end of the guide shaft passes through the guide hole; the fixed plate is fixedly provided with a stepping motor; the output end of the stepping motor is fixedly connected to one end of the screw; the other end of the screw is screwed to the threaded hole; the shaft of the upper roller An upper pendulum shaft is fixedly arranged on the head; an upper rotating shaft is fixedly arranged on the upper pendulum shaft; one end of the first connecting rod is hinged to one end surface of the guide plate; the other end of the first connecting rod is hinged to the upper rotating shaft; The shaft head of the roller is fixed with a lower swing shaft; the lower swing shaft is fixed with a lower rotating shaft; one end of the second connecting rod is hinged with the end surface of the guide plate; the other end of the second connecting rod is hinged with the lower rotating shaft; The first connecting rod and the second connecting rod are parallel to each other.

Further, two parallel straight rods are arranged between the first connecting rod and the second connecting rod; a first front hinge shaft and a first rear hinge shaft are respectively arranged on the first connecting rod; The first front hinge shaft and the first rear hinge shaft are arranged along the length direction of the first connecting rod; the distance between the first front hinge shaft and the first rear hinge shaft is the first distance; A second front hinge shaft and a second rear hinge shaft are respectively provided; the second front hinge shaft and the second rear hinge shaft are arranged along the length direction of the second connecting rod; the second front hinge shaft and the second rear hinge shaft The distance between the shafts is the second distance; the length of the first distance is equal to the length of the second distance; the two ends of one of the straight rods are respectively hinged with the first front hinge shaft and the second front hinge shaft; the other The two ends of the straight rod are respectively hinged with the first rear hinge shaft and the second rear hinge shaft.

Further, the number of the guide shafts is two; the guide shafts are symmetrically arranged on the upper and lower sides of the screw rod; the number of the guide holes is two; the two guide shafts are respectively inserted into the two guide holes .

After adopting the above structure, the beneficial effect of the utility model is: a cheap cross-cutting machine knife shaft structure described in the utility model, one end of the guide shaft is fixedly connected with the fixed plate; the other end of the guide shaft passes through the guide hole; A stepping motor is fixedly arranged on the board; the output end of the stepping motor is fixedly connected with one end of the screw rod; the other end of the screw rod is threadedly connected with the threaded hole; An upper rotating shaft is fixedly arranged on the shaft; one end of the first connecting rod is hinged to one end surface of the guide plate; the other end of the first connecting rod is hinged to the upper rotating shaft; There is a lower rotating shaft; one end of the second connecting rod is hinged with one end surface of the guide plate; the other end of the second connecting rod is hinged with the lower rotating shaft. When using the utility model, the stepper motor drives the screw to rotate, so that the guide plate slides directionally along the direction of the guide shaft, and then drives the first connecting rod and the second connecting rod to move, so that the upper roller and the lower roller are synchronized and synchronized. Rotate to realize the cutting of the product by the lower cutter and the upper cutter; this structure only uses one motor as the power output for product cutting, which effectively reduces the production input cost.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a schematic diagram of the positioning structure of the upper roller and the lower roller;

Fig. 3 is a partial structural diagram of the utility model embodiment;

Fig. 4 is a structural diagram of the connection between the straight bar, the first connecting rod and the second connecting rod;

Explanation of reference signs:

1. Guide shaft; 2. Screw rod; 3. Stepper motor; 4. Guide plate; 401. Threaded hole;

402, guide hole; 5, fixed plate; 6, straight rod; 7, upper roller; 8, bearing; 9, upper pendulum shaft;

10. The first connecting rod; 1001. The first front hinge shaft; 1002. The first rear hinge shaft; 11. The upper shaft;

12. Product; 13. Lower roller; 14. Lower swing shaft; 15. Lower rotating shaft; 16. Second connecting rod;

1601, the second front hinge shaft; 1602, the second rear hinge shaft; 17, the support plate; 18, the lower cutter;

19. Upper cutter; S1, first distance; S2, second distance.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in Figures 1 to 4, the cutter shaft structure of a cross-cutting machine described in the utility model includes a guide shaft 1, a screw rod 2, a guide plate 4, a fixed plate 5, an upper roller 7, a first connecting Rod 10, lower roller 13, second connecting rod 16 and support plate 17; the number of said support plate 17 is two; the two ends of described upper roller 7 and the two ends of lower roller 13 are all inserted and fixed There are bearings 8; the two bearings 8 on the upper roller 7 are respectively fixed on two support plates 17; the two bearings 8 on the lower roller 13 are respectively fixed on two support plates 17; The outer ring of the bearing 8 is fixedly connected with the support plate 17; the outer wall of the cylinder body of the upper roller 7 is provided with an upper cutter 19; the outer wall of the cylinder body of the lower roller 13 is provided with a lower cutter 18; Threaded holes 401 and guide holes 402 are respectively provided on the end face of the guide plate 4; one end of the guide shaft 1 is fixedly connected with the fixed plate 5; the other end of the guide shaft 1 passes through the guide hole 402; There is a stepping motor 3; the output end of the stepping motor 3 is fixedly connected to one end of the screw mandrel 2; the other end of the screw mandrel 2 is threadedly connected to the threaded hole 401; the shaft head of the upper roller 7 is fixed An upper swing shaft 9 is provided; an upper rotating shaft 11 is fixedly arranged on the upper swing shaft 9; one end of the first connecting rod 10 is hinged to an end surface of the guide plate 4; the other end of the first connecting rod 10 is hinged to the upper rotating shaft 11 ; The shaft head of the lower roller 13 is fixedly provided with a lower swing shaft 14; the lower swing shaft 14 is fixedly provided with a lower rotating shaft 15; one end of the second connecting rod 16 is hinged to the end surface of the guide plate 4; The other end of the rod 16 is hinged to the lower shaft 15; the first connecting rod 10 and the second connecting rod 16 are parallel to each other; the stepper motor 3 drives the screw rod 2 to rotate, so that the guide plate 4 is oriented along the direction of the guide shaft 1 Slide, and then drive the first connecting rod 10 and the second connecting rod 16 to move, so that the upper roller 7 and the lower roller 13 can rotate in the same direction synchronously, and realize the cutting of the product 12 by the lower cutter 18 and the upper cutter 19; this structure Only one motor is used as the power output for product 12 cutting, which effectively reduces production input costs.

As a preferred mode of the present utility model, two parallel straight rods 6 are arranged between the first connecting rod 10 and the second connecting rod 16; Hinge shaft 1001 and the first rear hinge shaft 1002; the first front hinge shaft 1001 and the first rear hinge shaft 1002 are arranged along the length direction of the first connecting rod 10; the first front hinge shaft 1001 and the first rear hinge shaft The distance between the shafts 1002 is the first distance S1; the second connecting rod 16 is respectively provided with a second front hinge shaft 1601 and a second rear hinge shaft 1602; the second front hinge shaft 1601 and the second rear hinge shaft The shaft 1602 is arranged along the length direction of the second connecting rod 16; the distance between the second front hinge shaft 1601 and the second rear hinge shaft 1602 is the second distance S2; the length of the first distance S1 is equal to the second distance The length of S2; wherein the two ends of one straight rod 6 are respectively hinged with the first front hinge shaft 1001 and the second front hinge shaft 1601; the two ends of the other straight rod 6 are respectively connected with the first rear hinge shaft 1002 and the second The two rear hinge shafts 1602 are hinged; a parallelogram is formed between the two straight bars 6, the first distance S1 part on the first connecting rod 10 and the second distance S2 part on the second connecting rod 16, and the first distance is kept at all times. The link 10 and the second link 16 are parallel to each other.

As a preferred mode of the present utility model, the number of the guide shaft 1 is two; the guide shaft 1 is symmetrically arranged on the upper and lower sides of the screw mandrel 2; the number of the guide holes 402 is two; two The guide shafts 1 are correspondingly inserted into the two guide holes 402 , and the two guide shafts 1 reduce the load of a single guide shaft 1 .

When using the utility model, the stepper motor drives the screw to rotate, so that the guide plate slides directionally along the direction of the guide shaft, and then drives the first connecting rod and the second connecting rod to move, so that the upper roller and the lower roller are synchronized and synchronized. Rotate to achieve the cutting of the product by the lower cutter and the upper cutter; this structure only uses one motor as the power output of product cutting, which effectively reduces the production input cost; the first distance part on the two straight rods and the first connecting rod A parallelogram is formed between the second distance part and the second connecting rod, and the first connecting rod and the second connecting rod are kept parallel to each other at all times.

The above is only a preferred embodiment of the utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the utility model patent application scope are all included in the utility model patent application scope .

Claims (3)

1. A cutter shaft structure of a cross-cutting machine, which includes an upper roller (7), a lower roller (13) and a support plate (17); the number of the support plates (17) is two; the upper Both ends of the roller (7) and both ends of the lower roller (13) are inserted and fixed with bearings (8); the two bearings (8) on the upper roller (7) are respectively fixed on two supports plate (17); the two bearings (8) on the lower roller (13) are respectively fixed on two support plates (17); the outer ring of the bearing (8) is in contact with the support plate (17) fixedly connected; the outer wall of the upper roller (7) is provided with an upper cutter (19); the outer wall of the lower roller (13) is provided with a lower cutter (18); it is characterized in that: It also includes a guide shaft (1), a screw mandrel (2), a guide plate (4), a fixed plate (5), a first connecting rod (10) and a second connecting rod (16); the guide plate (4 ) are respectively provided with threaded holes (401) and guide holes (402); one end of the guide shaft (1) is fixedly connected with the fixed plate (5); the other end of the guide shaft (1) passes through the guide hole (402 ); the fixed plate (5) is fixedly provided with a stepping motor (3); the output end of the stepping motor (3) is fixedly connected to one end of the screw rod (2); the screw rod (2) is in addition One end is threadedly connected with the threaded hole (401); The shaft head of the upper roller (7) is fixed with an upper swing shaft (9); the upper swing shaft (9) is fixed with an upper rotating shaft (11); one end of the first connecting rod (10) It is hinged with one end of the guide plate (4); the other end of the first connecting rod (10) is hinged with the upper shaft (11); the shaft head of the lower roller (13) is fixed with a lower swing shaft (14); the The lower swing shaft (14) is fixedly provided with a lower rotating shaft (15); one end of the second connecting rod (16) is hinged to one end surface of the guide plate (4); the other end of the second connecting rod (16) is connected to the lower rotating shaft (15 ) are hinged; the first connecting rod (10) and the second connecting rod (16) are parallel to each other. 2. The cutter shaft structure of a cross-cutting machine according to claim 1, characterized in that two parallel straight bars are arranged between the first connecting rod (10) and the second connecting rod (16) (6); The first connecting rod (10) is respectively provided with a first front hinge shaft (1001) and a first rear hinge shaft (1002); the first front hinge shaft (1001) and the first rear hinge shaft The shaft (1002) is arranged along the length direction of the first connecting rod (10); the distance between the first front hinge shaft (1001) and the first rear hinge shaft (1002) is a first distance (S1); the The second connecting rod (16) is respectively provided with a second front hinge shaft (1601) and a second rear hinge shaft (1602); the second front hinge shaft (1601) and the second rear hinge shaft (1602) are arranged along the The length direction of the two connecting rods (16) is set; the distance between the second front hinge shaft (1601) and the second rear hinge shaft (1602) is the second distance (S2); the first distance (S1) The length is equal to the length of the second space (S2); the two ends of one of the straight rods (6) are respectively hinged with the first front hinge shaft (1001) and the second front hinge shaft (1601); the other straight rod The two ends of (6) are respectively hinged with the first rear hinge shaft (1002) and the second rear hinge shaft (1602). 3. The cutter shaft structure of a cross-cutting machine according to claim 1, characterized in that: the number of the guide shafts (1) is two; the guide shafts (1) are symmetrically arranged on the screw rod (2) The upper and lower sides of the upper and lower sides; the number of the guide holes (402) is two; the two guide shafts (1) are respectively inserted into the two guide holes (402).