CN209971621U

CN209971621U - Shearing and cutting device of wirecord fabric cutting machine

Info

Publication number: CN209971621U
Application number: CN201920327566.3U
Authority: CN
Inventors: 张忠明
Original assignee: GUILIN ZHONGHAO LICHUANG MECHANICAL AND ELECTRICAL EQUIPMENT CO Ltd
Current assignee: GUILIN ZHONGHAO LICHUANG MECHANICAL AND ELECTRICAL EQUIPMENT CO Ltd
Priority date: 2019-03-14
Filing date: 2019-03-14
Publication date: 2020-01-21
Anticipated expiration: 2029-03-14

Abstract

The utility model discloses a device is decided in cutting of wire cord fabric cutting machine, include and locate the lower sword in the frame and make for the lower sword under drive mechanism drives through adjusting the clearance mechanism, the last sword of shearing motion down, drive mechanism is including left transmission shaft and right transmission shaft and the double-end motor reduction gear of locating the frame top, left transmission shaft the inner is installed on double-end motor reduction gear left side output shaft, right transmission shaft the inner is installed on double-end motor reduction gear right side output shaft, left transmission shaft outer end is through left eccentric shaft hinge left side connecting rod upper end, right transmission shaft outer end is through right eccentric shaft hinge right side connecting rod upper end, left connecting rod lower extreme hinge moves the knife rest left end, right connecting rod lower extreme hinge moves the knife rest right-hand member, the last sword is installed in moving the knife rest lower extreme, it installs in the frame through lift. The utility model has the advantages of strong manufacturability of processing each workpiece and convenient assembly and maintenance; the transmission mechanism of the upper cutter is arranged above the lower machine base, the transmission structure is reasonable, and the maintenance operation space is large.

Description

Shearing and cutting device of wirecord fabric cutting machine

Technical Field

The utility model relates to a wire cord fabric decides equipment specifically is a device is decided in cutting of wire cord fabric cutting machine.

Background

Traditional wirecord fabric cutting machine, its structure comprises spare parts such as whole frame, upper slitter, lower sword, knife adjustment device and drive mechanism, and wherein, drive mechanism comprises spare parts such as motor reducer, eccentric shaft, crank connecting rod, drive mechanism sets up the mesa face below at the frame.

The operation mode of the traditional wirecord fabric cutting machine is as follows: the movable knife rest provided with the upper knife moves downwards under the pulling force of the crank connecting rod to cut the wirecord fabric, and the cut wirecord fabric pieces are conveyed to the back-end working procedure through the cord fabric receiving and conveying.

In the structure of the traditional wirecord fabric cutting machine, a transmission mechanism is arranged below a rack table board surface, and although the structure is compact, the maintenance space is small; the whole frame needs to be machined by a large numerical control gantry boring and milling machine, and machining equipment is expensive to input and high in machining difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a device is decided in maintenance convenient operation's wirecord fabric cutting machine shearing has been provided, the technical problem of further solution is its processing technology nature of reinforcing.

The shearing and cutting device of the wirecord fabric cutting machine can solve the technical problems, the technical proposal comprises a lower cutter arranged on a frame through a gap adjusting mechanism and an upper cutter which does upper and lower shearing movement relative to the lower cutter under the driving of a transmission mechanism, the difference is that the transmission mechanism comprises a left transmission shaft, a right transmission shaft and a double-head motor reducer which are arranged above the frame, the inner end of the left transmission shaft is arranged on a left output shaft of the double-head motor reducer, the inner end of the right transmission shaft is arranged on a right output shaft of the double-head motor reducer, the outer end of the left transmission shaft is hinged with the upper end of a left connecting rod through a left eccentric shaft, the outer end of the right transmission shaft is hinged with the upper end of a right connecting rod through a right eccentric shaft, the lower end of the left connecting rod is hinged with the left, the upper knife is arranged at the lower end of the movable knife rest, and the movable knife rest is arranged on the rack through a lifting guide mechanism.

In order to absorb the inertia energy, a flywheel is arranged on the left transmission shaft or the right transmission shaft.

In order to realize emergency braking, a pneumatic brake mechanism is arranged on the left transmission shaft or the right transmission shaft.

One structure of the rack comprises an upper cross beam, a lower base, a left side frame and a right side frame, wherein the left side frame and the right side frame are arranged on two sides of the upper cross beam and the lower base, the lower ends of the left side frame and the right side frame are respectively arranged on the left end face and the right end face of the lower base, and the upper cross beam is arranged between the upper ends of the left side frame and the right side frame.

One structure of the clearance adjusting mechanism comprises a clearance coarse adjusting component and a clearance fine adjusting component, the clearance coarse adjusting component is installed on the table board surface of the lower machine base, the clearance fine adjusting component is installed on the clearance coarse adjusting component, and the lower knife is installed on the clearance fine adjusting component.

The utility model has the advantages that:

1. the utility model discloses among the device structure is decided in cutting of wire cord fabric cutting machine, adopt the entablature of components of a whole that can function independently processing and equipment and lower frame and left and right side frame, the manufacturability of each work piece processing is strong and the assembly and overhaul is convenient.

2. The utility model discloses locate down on the crossbeam of frame top with the drive mechanism of sword, transmission stable in structure is reasonable, and the maintenance operation space is big.

Drawings

Fig. 1 is a front view of an embodiment of the present invention.

Fig. 2 is a side view of the embodiment of fig. 1.

Fig. 3 is a schematic structural diagram of a transmission mechanism in the embodiment of fig. 1.

Fig. 4 is a schematic structural diagram of the rack in the embodiment of fig. 1.

Fig. 5 is a schematic diagram of the operation of the transmission mechanism of fig. 3.

And (3) identifying the figure number: 1. cutting; 2. feeding a cutter; 3. an upper cross beam; 4. a left drive shaft; 5. a right drive shaft; 6. A double-headed motor reducer; 7. a left eccentric shaft; 8. a right eccentric shaft; 9. a left connecting rod; 10. a right connecting rod; 11. A movable knife rest; 12. a lifting guide mechanism; 13. a flywheel; 14. a pneumatic brake mechanism; 15. a knife gap fine adjustment assembly; 16. a lower machine base; 17. a left side frame; 18. a right side frame; 19. a clearance coarse adjustment assembly; 20. the cord fabric material receiving conveying belt; 21. a left bearing mechanism; 22. a right bearing mechanism; 23. steel cord fabric.

Detailed Description

The technical solution of the present invention will be further explained with reference to the embodiments shown in the drawings.

The utility model discloses device is decided in cutting of wire cord fabric cutting machine, include the frame, install the lower sword 1 on adjusting the clearance mechanism and the last sword 2 that drives through drive mechanism.

The rack comprises an upper cross beam 3 and a lower base 16, wherein a left side frame 17 and a right side frame 18 which are symmetrical are respectively arranged on two sides of the upper cross beam 3 and the lower base 16, the lower ends of the left side frame 17 and the right side frame 18 are respectively connected with the left end surface and the right end surface of the lower base 16 by high-strength bolts, and the symmetry of installation is ensured by adopting the positioning of symmetrical keys; the left and right ends of the upper beam 3 are respectively connected with the corresponding surfaces of the upper ends of the left and

right side frames

17, 18 by high-strength bolts, the upper and lower parts of the front end surfaces of the left and

right side frames

17, 18 extend forwards to form a notch sunken in the middle of the front end surface, and the notch is provided with a cord fabric receiving and conveying belt 20 for conveying steel cord fabric sheets from left to right, as shown in fig. 1, 2 and 4.

The clearance adjusting mechanism comprises a coarse clearance adjusting component 19 and a fine clearance adjusting component 15, the coarse clearance adjusting component 19 is mounted on a table board of a lower base 16, the fine clearance adjusting component 15 is mounted on the coarse clearance adjusting component 19, the lower knife 1 is mounted on the fine clearance adjusting component 15, the coarse clearance adjusting component 19 coarsely adjusts the front and rear positions (relative to the upper knife 2) of the lower knife 1 on the front end of the table board of the lower base 16, and the fine clearance adjusting component 15 finely adjusts the precise position of the lower knife 1 relative to the upper knife 2, as shown in fig. 2.

The transmission mechanism comprises a movable cutter frame 11, a left connecting rod 9, a right connecting rod 10, a left transmission shaft 4 and a right transmission shaft 5, an upper cutter 2 is arranged at the bottom of the movable cutter frame 11 (arranged above a lower cutter 1), the left and right ends of the movable cutter frame 11 are arranged on a left side frame 17 and a right side frame 18 through corresponding lifting guide mechanisms 12, the left transmission shaft 4 and the right transmission shaft 5 are arranged on the left and right sides above an upper cross beam 3, a double-head motor reducer 6 is arranged on the upper cross beam 3 between the left transmission shaft 4 and the right transmission shaft 5, the inner ends of the left transmission shaft 4 and the right transmission shaft 5 are respectively connected with a left output shaft and a right output shaft of the double-head motor reducer 6, the left part of the left transmission shaft 4 is arranged on the upper cross beam 3 through a left bearing mechanism 21, the right end of the right transmission shaft 5 is arranged on the upper cross beam 3 through a right bearing mechanism 22, a flywheel 13, the left connecting rod 9 and the right connecting rod 10 are respectively arranged at the left side and the right side of the movable knife rest 11, the left eccentric shaft 7 at the left end of the left transmission shaft 4 is hinged with the upper end of the left connecting rod 9, the right eccentric shaft 8 at the right end of the right transmission shaft 5 is hinged with the upper end of the right connecting rod 10, and the lower ends of the left connecting rod 9 and the right connecting rod 10 are respectively hinged at the lower parts of the left side and the right side of the movable knife rest 11, as shown in fig. 1, 2 and 3.

The working mode of the transmission mechanism is as follows: the double-end motor reducer 6 synchronously drives the left transmission shaft 4 and the right transmission shaft 5 to rotate, the left eccentric shaft 7 and the right eccentric shaft 8 are synchronously linked, a left crank connecting rod mechanism and a right crank connecting rod mechanism which are formed by the eccentric shafts and connecting rods on the corresponding sides convert the circular motion of the eccentric shafts on the two sides into the vertical motion of the movable cutter frame 11 to finish one-time shearing and cutting action, the movable cutter frame 11 drives the upper cutter 2 to move downwards to form shearing matching with the lower cutter 1 to cut off the wirecord fabric 23 (the wirecord fabric 23 to be cut is conveyed to the lower part of the upper cutter 2 at a certain angle with the lower cutter 1 and reaches the required width distance), the cut wirecord fabric sheet is received by the cord fabric conveying belt 20 and conveyed to the outside of the right side through the notch of the right side frame 18, and the cutting gap between the upper cutter 2 and the lower cutter 1.

A hydraulic clutch mechanism is arranged in the double-head motor reducer 6 to control the engagement and the disengagement of the left output shaft and the right output shaft with the speed ratio gear, a pneumatic brake mechanism 14 controls the start and stop positions of the eccentric shaft, and the flywheel 13 absorbs redundant energy of the built-in hydraulic clutch in a disengaged state.

In each crank-link mechanism, the smaller the angle α between the link and the vertical direction, the greater the downward thrust on the movable blade holder 11, the greater the shearing force between the upper blade 2 and the lower blade 1, as shown in fig. 5.

Claims

1. Device is decided in cutting of wire cord fabric cutting machine, include through adjusting lower sword (1) of clearance mechanism on locating the frame and drive down for lower sword (1) make upper and lower shearing movement's upper slitter (2), its characterized in that: drive mechanism is including left transmission shaft (4) and right transmission shaft (5) and double-end motor reduction gear (6) of locating the frame top, the inner of left transmission shaft (4) is installed on the left output shaft of double-end motor reduction gear (6), the inner of right transmission shaft (5) is installed on the right output shaft of double-end motor reduction gear (6), the upper end of left eccentric shaft (7) hinge left connecting rod (9) is passed through to the outer end of left transmission shaft (4), the upper end of right eccentric shaft (5) is passed through right eccentric shaft (8) hinge right connecting rod (10), the left end of the lower extreme hinge of left connecting rod (9) moves the left end of knife rest (11), the right-hand member of right connecting rod (10) lower extreme hinge moving knife rest (11), upper knife (2) are installed in the lower extreme of moving knife rest (11), move knife rest (11) and install in the frame through lift guiding mechanism (12).

2. A wirecord fabric cutting machine shear cutting device according to claim 1, characterized in that: a flywheel (13) is arranged on the left transmission shaft (4) or the right transmission shaft (5).

3. A wirecord fabric cutting machine shear cutting device according to claim 1, characterized in that: the left transmission shaft (4) or the right transmission shaft (5) is provided with a pneumatic brake mechanism (14).

4. A shear cutting device for a wirecord fabric cutting machine according to any one of claims 1 to 3, characterized in that: the frame includes entablature (3) and lower frame (16) and locates left side frame (17) and right side frame (18) of entablature (3) and lower frame (16) both sides, and the lower extreme of left side frame (17) and right side frame (18) is installed respectively on the left end face and the right-hand member face of lower frame (16), entablature (3) are installed between the upper end of left side frame (17) and right side frame (18).

5. A wirecord fabric cutting machine shear cutting device according to claim 4, characterized in that: the clearance adjusting mechanism comprises a clearance coarse adjusting component (19) and a clearance fine adjusting component (15), the clearance coarse adjusting component (19) is installed on the table board surface of the lower machine base (16), the clearance fine adjusting component (15) is installed on the clearance coarse adjusting component (19), and the lower knife (1) is installed on the clearance fine adjusting component (15).