WO2019061402A1

WO2019061402A1 - Outer cutter die locking mechanism

Info

Publication number: WO2019061402A1
Application number: PCT/CN2017/104772
Authority: WO
Inventors: 冷志斌; 杨建军; 于海飞; 张冠军; 石磊; 周德宇
Original assignee: 江苏亚威机床股份有限公司
Priority date: 2017-09-30
Filing date: 2017-09-30
Publication date: 2019-04-04

Abstract

An outer cutter die locking mechanism, comprising an upper cutter rest (1), a beam (2) and a rotary main shaft (3). The rotary main shaft (3) is sleeved with a bearing block (4).; a bearing set sleeving the rotary main shaft (3) is arranged in the bearing block (4); a self-locking nut (5) which is in cup joint to an upper end of the rotary main shaft (3) is arranged above the bearing set; a sealing cover (6) is arranged at a lower end of the bearing block (6); parallel transverse line grooves are formed in front and at the back of the bearing block (4) respectively, and sliding keys (7) are arranged in the transverse line grooves; support plates (8) fixedly connected with the beam (2) are arranged below the sliding keys (7); connecting rods (9) are connected to the left ends of the sliding keys (7); screws (10) are arranged at the left ends of the connecting rods (9), and are sleeved with a plurality of screw bases (11) fixedly arranged at the lower end of the beam (2); and the left ends of the screws are in cup joint with adjusting nuts (12). According to the locking mechanism, the screws (10) are driven to rotate by rotating the adjusting nuts (12), and the screws (10) drive the sliding keys (7) to move leftwards through the connecting rods (9), so that the bearing block (4) and the rotary main shaft (3) disengage together along with the upper cutter rest (1), thus realizing rapid cutter die replacement; in addition, the cutter die replacement procedure is simple, and the production efficiency is improved.

Description

External die locking mechanism

Technical field

The invention relates to a knife mold locking mechanism, in particular to an external knife mold locking mechanism, belonging to the technical field of flying pendulum shearing machinery.

Background technique

The existing flying pendulum shears on the market can only cut one shape when shearing the sheet. If the sheet of another shape needs to be cut, the cutter die needs to be replaced, and the replacement process is complicated and complicated. Need to constantly adjust the size, labor intensity, affecting work efficiency. Flying pendulum shear is used for shearing laser tailor welded blanks, and the cutting section is very demanding. Therefore, for the tool holder, the rigidity is very high. The traditional flying tool shear locking mechanism adopts the upper hole of the upper tool holder. The locking method of the rotating main shaft with the inclined block groove is greatly weakened for the rigidity of the upper tool holder, and the sectional requirement after the cutting cannot be satisfied.

Summary of the invention

In view of the above drawbacks, the object of the present invention is to provide an external die locking mechanism which is simple in structure, convenient in cutting die, high in replacement efficiency, capable of ensuring rigidity of the upper tool holder, and ensuring the requirements of the shearing section.

To this end, the technical solution adopted by the present invention is:

The utility model comprises an upper tool post, a cross beam and a rotating main shaft, wherein the rotating main shaft is sleeved with a bearing seat, wherein the bearing seat is provided with a bearing set sleeved on the rotating main shaft, and the bearing set is sleeved on the upper end of the rotating main shaft The self-locking nut has a sealing cover at a lower end of the bearing seat, and the bearing seat is respectively provided with parallel horizontal groove grooves in front and rear, and a sliding key is arranged in the horizontal groove, and the sliding key is fixedly connected with the beam below the sliding key The supporting plate has a connecting rod connected to the left end of the sliding key, a screw is arranged at the left end of the connecting rod, and a screw seat fixedly mounted on the lower end of the beam is sleeved on the screw, and an adjusting nut is sleeved on the left end of the screw.

As a further improvement of the above technical solution, a lower stepped shaft is disposed at a lower portion of the rotating main shaft, and a second stepped shaft is disposed at an upper portion of the rotating main shaft. The bearing set includes two thrust ball bearings and two single row cylindrical roller bearings. The two single row cylindrical roller bearing sets are disposed at upper and lower ends of the first stepped shaft, and a spacer sleeve is disposed between the two single row cylindrical roller bearings, and the bearing seat inner wall is provided with a bearing seat annular boss, the bearing seat The lower end surface of the annular boss is in contact with the upper end surface of the single row cylindrical roller bearing at the upper end, and the upper end surface of the annular boss of the bearing seat is provided with a support sleeve, and the inner wall of the support sleeve is provided with an annular sleeve of the support sleeve, and the two thrust ball bearings are respectively located An upper end and a lower end of the annular sleeve of the support sleeve, the self-locking nut being located at an upper end of the thrust ball bearing.

As a further improvement of the above technical solution, the upper end surface of the support sleeve is provided with an annular groove, the annular groove is provided with a disc spring, and the upper end of the disc spring is provided with a pressure ring located in the annular groove, A gland is arranged above the rotating main shaft, and a pressing cover annular boss is arranged on the lower end surface of the gland, and a lower end surface of the gimbal annular boss is in contact with the upper end surface of the pressing ring, and a gland seat fixedly mounted on the upper end of the beam is arranged outside the rotating main shaft. The upper end of the gland is fixedly connected to the upper end of the gland by bolts.

As a further improvement of the above technical solution, the center of the upper end of the gland is provided with an oil filling port, the rotating spindle shaft is provided with an oil passage, the upper end of the oil passage is open, and the lower end of the oil passage is closed, and the rotating main shaft is closed. The side wall is provided with a plurality of oil ports communicating with the oil passage.

As a further improvement of the above technical solution, the left and right sides of the upper end surface of the upper tool holder are respectively provided with a plurality of curved rail plates symmetrically distributed with respect to the rotating main shaft, and the lower end surface of the beam is provided with the matching of the curved rail plate Force block.

As a further improvement of the above technical solution, the number of the arc-shaped guide rails on the left and right sides of the upper end surface of the upper tool post is two.

As a further improvement of the above technical solution, a gap is provided between the annular projection of the support sleeve of the inner wall of the support sleeve and the rotating main shaft.

The advantages of the invention are:

The invention has a simple structure, and the screw is rotated by rotating the adjusting nut, and the screw moves the sliding key to the left through the connecting rod, so that the bearing seat and the rotating main shaft fall off together with the upper tool holder, thereby realizing a rapid tool change mode, and the tool change mode The program is simple, and the production efficiency is improved; since the inclined block groove is not provided on the upper tool holder, the rigidity requirement of the upper tool holder can be ensured, thereby ensuring the shear section requirement.

DRAWINGS

Figure 1 is a schematic view of the structure of the present invention.

Figure 2 is a partial enlarged view of A in Figure 1.

Figure 3 is a cross-sectional view taken along line B-B of Figure 1.

1 is the upper tool post, 2 is the cross beam, 3 is the rotating main shaft, 4 is the bearing seat, 5 is the self-locking nut, 6 is the sealing cover, 7 is the sliding key, 8 is the pallet, 9 is the connecting rod, 10 Is a screw, 11 is a screw seat, 12 is an adjusting nut, 13 is a first stepped shaft, 14 is a second stepped shaft, 15 is a thrust ball bearing, 16 is a single row cylindrical roller bearing, 17 is a spacer sleeve, and 18 is a support sleeve 19 is a disc spring, 20 is a pressure ring, 21 is a gland, 22 is a gland seat, 23 is a bolt, 24 is a fuel injection port, 25 is an oil passage, 26 is a lubrication port, 27 is a curved rail plate, 28 is a force block.

Detailed ways

An external die locking mechanism includes an upper blade holder 1, a beam 2 and a rotating spindle 3, the rotating spindle 3 is jacketed with a bearing housing 4, and the bearing housing 4 is sleeved on the rotating spindle 3 a bearing set, a self-locking nut 5 sleeved on an upper end of the rotating main shaft 3 is disposed above the bearing set, and a sealing cover 6 is disposed at a lower end of the bearing seat 4, and the bearing seat 4 is respectively provided with parallel horizontal lines a groove 7 is arranged in the groove of the horizontal line, a plate 8 fixedly connected with the beam 2 is arranged under the sliding key 7, a connecting rod 9 is connected to the left end of the sliding key 7, and a screw 10 is arranged at the left end of the connecting rod 9. The upper sleeve of the screw has a plurality of screw seats 11 fixedly mounted at the lower end of the beam 2, and the left end of the screw 10 is sleeved with an adjusting nut 12.

As a further improvement of the above technical solution, a lower stepped shaft 13 is disposed at a lower portion of the rotating main shaft 3, and a second stepped shaft 14 is disposed at an upper portion of the rotating main shaft 3. The bearing set includes two thrust ball bearings 15 and two single row cylinders. a roller bearing 16, the two single row cylindrical roller bearings 16 are disposed at upper and lower ends of the first stepped shaft 13, and a spacer sleeve 17 is disposed between the two single row cylindrical roller bearings 16, and the inner wall of the bearing housing 4 is provided There is a bearing ring annular boss, the lower end surface of the annular boss of the bearing seat is in contact with the upper end surface of the single row cylindrical roller bearing 16 at the upper end, and the upper end surface of the annular boss of the bearing seat is provided with a support sleeve 18, and the inner wall of the support sleeve 18 is provided There is a support sleeve annular boss, two thrust ball bearings 15 respectively located at the upper end and the lower end of the support sleeve annular boss, and the self-locking nut 5 is located at the upper end of the thrust ball bearing 15.

As a further improvement of the above technical solution, the upper end surface of the support sleeve 18 is provided with an annular groove, and the annular groove is provided with a disc spring 19, and the upper end of the disc spring 19 is provided with a pressure ring located in the annular groove. 20, the rotating main shaft 3 is provided with a gland 21, and the lower end surface of the gland 21 is provided with a gland annular boss. The lower end surface of the gimbal annular boss is in contact with the upper end surface of the pressing ring 20, and the rotating main shaft 3 is fixed. The gland base 22 is mounted on the upper end of the beam 2, and the upper end of the gland 21 is fixedly connected to the upper end of the gland base 22 by bolts 23.

As a further improvement of the above technical solution, the center of the upper end of the gland 21 is provided with an oil filling port 24, and the rotating main shaft 3 is provided with an oil passage 25, the upper end of the oil passage 25 is open, and the lower end of the oil passage 25 is closed. The side wall of the rotating main shaft 3 is provided with a plurality of oil vents 26 communicating with the oil passages 25.

As a further improvement of the above technical solution, the left and right sides of the upper end surface of the upper tool post 1 are respectively provided with a plurality of curved rail plates 27 symmetrically distributed with respect to the rotating main shaft 3, and the lower end surface of the cross beam 2 is provided with an arc-shaped guide rail plate. 27 matched force blocks 28.

As a further improvement of the above technical solution, the number of the arc-shaped guide rails 27 on the left and right sides of the upper end surface of the upper blade holder 1 is two.

As a further improvement of the above technical solution, a gap is provided between the annular projection of the support sleeve of the inner wall of the support sleeve 18 and the rotating main shaft 3.

When cutting, the upper tool post pushes the rotating main shaft upwards to force the disc spring to be compressed by the gland. When the mold is changed, the screw is rotated when the adjusting nut is turned, and the screw moves the sliding key to the left through the connecting rod, thereby The bearing seat and the rotating main shaft are separated together with the upper tool holder; a gas filling port is added on the gland, and a lubricating oil passage is arranged in the rotating spindle axial center, and a plurality of oil lubrication ports are arranged on the side wall of the rotating main shaft to facilitate lubrication of the bearing. It should be emphasized that the above description is only an embodiment of the present invention, and thus does not limit the scope of the patent of the present invention, and the equivalent structure or equivalent process transformation using the specification and the drawings of the present invention, or directly or indirectly In other related technical fields, the same is included in the scope of patent protection of the present invention.

Claims

An external die locking mechanism, comprising: an upper tool holder, a beam and a rotating main shaft, wherein the rotating main shaft is jacketed with a bearing seat, and the bearing housing is provided with a bearing set sleeved on the rotating main shaft, A self-locking nut sleeved on an upper end of the rotating main shaft is arranged above the bearing set, and a sealing cover is arranged at a lower end of the bearing seat, and the bearing seat is respectively provided with parallel horizontal groove grooves in front and rear, and the horizontal line groove is There is a sliding button, a support plate fixedly connected with the beam is arranged under the sliding key, a connecting rod is connected to the left end of the sliding key, a screw is arranged at the left end of the connecting rod, and a screw seat fixedly mounted on the lower end of the beam is arranged on the screw, and the left end sleeve of the screw is sleeved. An adjustment nut is attached.
An external die locking mechanism according to claim 1, wherein a lower stepped shaft is disposed at a lower portion of the rotating main shaft, a second stepped shaft is disposed at an upper portion of the rotating main shaft, and the bearing set includes two a thrust ball bearing and two single row cylindrical roller bearings, the two single row cylindrical roller bearing sets are arranged at upper and lower ends of the first stepped shaft, and a spacer sleeve is arranged between the two single row cylindrical roller bearings, the bearing seat The inner wall is provided with an annular projection of the bearing seat, the lower end surface of the annular projection of the bearing seat is in contact with the upper end surface of the single row cylindrical roller bearing at the upper end, and the upper end surface of the annular projection of the bearing seat is provided with a support sleeve, and the inner wall of the support sleeve is provided Support sleeve annular bosses, two thrust ball bearings respectively located at upper and lower ends of the annular sleeve of the support sleeve, the self-locking nut being located at the upper end of the thrust ball bearing.
The external die locking mechanism according to claim 2, wherein the upper end surface of the support sleeve is provided with an annular groove, and the annular groove is provided with a disc spring, and the upper end of the disc spring a pressure ring is arranged in the annular groove, a gland is arranged above the rotating main shaft, and a lower end surface of the gland is provided with a gimbal annular boss, and a lower end surface of the gimbal annular boss is in contact with the upper end surface of the pressure ring, and the rotating main shaft is There is a gland seat fixedly mounted on the upper end of the beam, and the upper end of the gland is fixedly connected to the upper end of the gland by bolts.
The external die locking mechanism according to claim 3, wherein the upper end of the gland is provided with an oil filling port, the rotating spindle axis is provided with an oil passage, and the upper end of the oil passage Opening The lower end of the oil passage is closed, and the side wall of the rotating main shaft is provided with a plurality of oil ports communicating with the oil passage.
The external die clamping mechanism according to claim 1 , wherein the left and right sides of the upper end surface of the upper blade holder are respectively provided with a plurality of curved rail plates symmetrically distributed with respect to the rotating main shaft, the beam The lower end surface is provided with a force block that cooperates with the curved rail plate.
The external die locking mechanism according to claim 5, wherein the number of the arc-shaped guide plates on the left and right sides of the upper end surface of the upper blade holder is two.
The external die locking mechanism according to claim 2, wherein a gap between the annular boss of the inner sleeve of the support sleeve and the rotating main shaft is provided.