CN106736818B

CN106736818B - Cutting structure

Info

Publication number: CN106736818B
Application number: CN201710049376.5A
Authority: CN
Inventors: 袁媛
Original assignee: 袁媛
Current assignee: QINGDAO REAL ELITE TRANSFORMER EQUIPMENT Co.,Ltd.
Priority date: 2017-01-21
Filing date: 2017-01-21
Publication date: 2020-03-17
Anticipated expiration: 2037-01-21
Also published as: CN106736818A

Abstract

The invention discloses a blanking elastic conveying device of an automatic cutting machine, which comprises an installation seat, a guide rail and a cylinder fixing seat, wherein the guide rail is transversely arranged on one side of the installation seat, and one end of the guide rail is fixedly connected with the upper part of the installation seat. The cylinder fixing seat is arranged on the guide rail and is in sliding connection with the guide rail. The upper portion of cylinder fixing base near mount pad one side is provided with the cylinder, and the cylinder can follow the guide rail along with cylinder fixing base and remove. The flexible end of cylinder deviates from the cylinder fixing base, and links to each other with transversely arranged probe through the adapter sleeve. The invention also discloses a cutting structure, which comprises two cutting units, wherein the front cutting unit is positioned at the front side, the rear cutting unit is positioned at the rear side, and the blanking elastic conveying devices are respectively arranged at the sides, close to each other, of the mounting bases of the two cutting units. The automatic silicon steel sheet pushing device can realize the rapid pushing of the silicon steel sheet, generates less waste, greatly improves the production efficiency, has small impact force on an automatic cutting machine in the production process, and prolongs the service life of equipment.

Description

Cutting structure

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a blanking elastic conveying device and a cutting structure of an automatic cutting machine.

Background

At present, equipment and the processing technology that the cutting of blade of silicon steel adopted are old, and the feeding conveying mechanism in blade of silicon steel material area adopts the conveying roller to carry out the pay-off, because can take place relative displacement because of the drive between conveying roller and the blade of silicon steel material area, leads to subsequent cutting unit to appear the error to the cutting position in blade of silicon steel material area, and cutting accuracy is not high, appears certain waste product. The cutting unit of old cutting equipment adopts the pneumatic cylinder as the power supply, and the flexible end drive upper cutter downstream of pneumatic cylinder is mutually supported with the lower cutter that sets up on the cutting unit base and is realized shearing movement, cuts off the silicon steel strip and makes the blade of silicon steel of required shape, because the pneumatic cylinder drive is unstable, leads to its impact force to the silicon steel strip great, leads to the precision of the sheet that the cutting unit cut out to be lower, and the rejection rate is high, and the high frequency impact to the cutting machine leads to its life to reduce simultaneously. Meanwhile, the cutting unit of the old cutting equipment adopts a hydraulic cylinder as a power source, so that the cutting efficiency is low and the production cost is high.

Because the silicon steel material belt is the banded structure of thin slice, need to guarantee its level and smooth quick the gos forward in the feeding process, quick, steady of feeding process to guarantee that the precision of the sheet that the cutting unit surely goes out is high. Usually, the feeding and conveying mechanism cooperates with the subsequent cutting unit to rapidly transfer the finished silicon steel sheet cut from the silicon steel strip from the base of the cutting unit, so as to provide a feeding space for the silicon steel strip, and thus the processing continuity can be maintained. Because the finished product silicon steel sheet that downcuts pastes on the base of cutting unit, be difficult to shift it out fast, will cause the influence to the feeding in follow-up silicon steel material area, can't guarantee the continuous of processing and go on. Therefore, the finished silicon steel sheet needs to be quickly transferred out of the cutting unit to ensure the production efficiency.

Disclosure of Invention

In view of the above-mentioned deficiencies of the prior art, an object of the present invention is to provide a blanking elastic feeding device for an automatic cutting machine, which needs to push cut finished silicon steel sheets out of a worktable of a cutting unit quickly, so as to provide a feeding space for silicon steel material strips and ensure the quick and efficient operation of production.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides an automatic cutting machine's blanking bullet send device, includes mount pad, guide rail and cylinder fixing base, the guide rail transversely sets up in one side of mount pad, its one end and the upper portion fixed connection of mount pad. The cylinder fixing seat is arranged on the guide rail and is in sliding connection with the guide rail. The upper portion of the cylinder fixing seat close to one side of the mounting seat is provided with a cylinder, and the cylinder can move along the guide rail along with the cylinder fixing seat. The flexible end of cylinder deviates from the cylinder fixing base, and can dismantle with the one end of the probe of horizontal arrangement through the adapter sleeve and link to each other.

Preferably, the upper end of the mounting seat is provided with a supporting seat, one end of the supporting seat, which is far away from the guide rail, is provided with a supporting part, and the supporting part and the supporting seat are fixedly connected into a whole. The upper end of the supporting part is provided with a sliding groove matched with the probe, and the probe is positioned in the sliding groove of the supporting part.

Preferably, one side of the cylinder fixing seat, which is far away from the mounting seat, is provided with a screw rod, the screw rod is parallel to the guide rail, and one end of the screw rod is fixedly connected with the cylinder fixing seat. The guide rail is provided with an adjusting seat, and an adjusting nut arranged on the screw rod is positioned in the installation position of the adjusting seat.

Another object of the present invention is to provide a cutting structure.

The utility model provides a cutting structure, includes two cutting units, is located cutting unit before being located the front side, is located cutting unit after being located the rear side, two cutting units all include bottom plate, installation base, upper bracket and drive mechanism, and the installation base is fixed to be set up the one side in the bottom plate top. The side, close to each other, of the mounting bases of the two cutting units is respectively provided with the blanking elastic conveying device. The upper bracket is positioned above the mounting base and is connected with the mounting base through two vertical guide shafts, and the transmission mechanism is arranged on the upper bracket.

Preferably, the transmission mechanism comprises an eccentric shaft, a connecting plate and a connecting block, and two ends of the eccentric shaft are rotatably connected with the two vertical plates of the upper bracket through supporting bearings. The connecting plate is located between the two vertical plates, the rotating bearing arranged on the eccentric shaft is located in the elliptical hole of the connecting plate, and the eccentric shaft drives the connecting plate to move up and down through the rotating bearing. The connecting block is positioned below the connecting plate and is connected with the connecting plate through the guide rod.

Preferably, one end of the eccentric shaft extends out of the outer side of one of the vertical plates, and is connected with a motor arranged on the upper support through a coupler, and the motor drives the eccentric shaft to rotate. One side of the upper part of the connecting plate is provided with a guide wheel which is matched with a vertical guide groove on the inner side wall of the vertical plate opposite to the guide wheel.

Preferably, the two cutting units further comprise an upper tool rest and a lower tool rest, the upper end of the upper tool rest is connected with the connecting block through a pin shaft, and two sides of the upper tool rest are connected with the guide shaft in a sliding mode through shaft sleeves. The lower end of the upper tool rest is provided with an upper cutter, the lower end of the upper tool rest is provided with a buffer block, and the buffer block is positioned on one side of the upper cutter. The lower knife holder is fixed on the mounting base, and a lower cutter corresponding to the upper cutter is arranged on the lower knife holder.

Preferably, the mounting bases of the two cutting units are positioned on the upper surface of the same side of the upper cutter, and are respectively provided with a cover plate with a plurality of air outlet holes, the part of the mounting base positioned below the cover plate is a cavity, and the cavity is communicated with an air inlet hole on one side of the mounting base. The bottom plate is arranged on the outer side of the mounting base and is provided with a blanking hole.

Preferably, the upper knife rest of the front cutting unit is arranged in a direction of 45 degrees to the right, and the upper cutter and the lower cutter of the front cutting unit are also arranged in a direction of 45 degrees to the right. The upper tool rest of the rear cutting unit is arranged in a left 45-degree direction, and the upper cutter and the lower cutter of the rear cutting unit are also arranged in a left 45-degree direction.

Preferably, the discharging mechanisms are respectively arranged on one sides, close to the cover plate, of the mounting bases of the two cutting units. The discharging mechanism comprises an inclined plate, one side of the inclined plate is connected with the mounting base, the other side of the inclined plate inclines downwards, and a limiting support is arranged above the inclined plate.

By adopting the technical scheme, the invention has the beneficial technical effects that: the invention uses the motor as a power source to control the upper cutter and the lower cutter to be matched to realize shearing movement, the precision and the finished product of the cut silicon steel sheet are higher, the generated waste is less, the production efficiency is greatly improved, the impact force on the automatic cutting machine in the production process is small, and the service life of the equipment is prolonged. Meanwhile, the cut silicon steel sheet is quickly pushed out by the blanking and elastic conveying device, so that the time of the production link is greatly reduced, and the production efficiency is improved. The apron that sets up on the base of cutting structure has the venthole, and the gas that the venthole blew off makes finished product silicon steel sheet be in the suspended state, has solved finished product silicon steel sheet and has pasted on the apron and be difficult to by the problem of accurate, quick release.

Drawings

Fig. 1 is a schematic structural principle diagram of a blanking elastic conveying device of an automatic cutting machine.

Fig. 2 is a schematic diagram of the structural principle of a cutting structure of the present invention.

Fig. 3 is a schematic top view of a cutting structure according to the present invention.

Fig. 4 is a schematic diagram of a portion of the invention of fig. 2 showing a front cutting unit.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings:

embodiment 1, combine fig. 1 and fig. 3, a blanking bullet send device of automatic cutout machine, includes mount pad 1, guide rail 2 and cylinder fixing base 3, guide rail 2 transversely sets up on the right side of mount pad 1, and the left end of guide rail 2 is in the same place with the upper portion fixed connection on mount pad 1 right side, and the lower part of mount pad 1 right side wall is opened has horizontal mounting hole, and the mounting hole is used for sending the device to install the blanking bullet on the cutting unit. The upper end of mount pad 1 is provided with supporting seat 4, and supporting seat 4 is platelike structure, and it links together through bolt and the horizontal stationary phase of mount pad 1, and the left end of supporting seat 4 is provided with the support portion 5 of massive structure, support portion 5 and the upper surface of supporting seat 4 fixed and link to each other integratively, wherein hold the upper surface of portion 5 and open and have horizontal spout, the axial of spout and the axial of guide rail 2 are parallel. The cylinder fixing seat 3 is arranged on the guide rail 2, and the cylinder fixing seat 3 is in sliding fit with the guide rail 2 and can transversely slide along the guide rail 2. The cylinder 6 is fixedly mounted on the upper portion of the left side of the cylinder fixing seat 3, is located above the supporting seat 4, and can move transversely along the guide rail 2 along with the cylinder fixing seat 3.

The flexible end of cylinder 6 is towards the portion 5 that holds of support 4 left end, and the flexible end of cylinder 6 is provided with adapter sleeve 7, and the right-hand member of adapter sleeve 7 can be dismantled with the flexible end of cylinder 6 and be connected, and its left end can be dismantled with the right-hand member of the probe 8 of transverse arrangement and link to each other, and the left end of probe 8 has the impact head of round platform form. Both ends all dispose the pin about adapter sleeve 7, realize through the pin with the flexible end of cylinder 6 or probe 8 can dismantle the connection, this connected mode is convenient for change probe 8. The sliding groove on the upper surface of the supporting part 5 is matched with the probe 8, and the probe 8 is positioned in the sliding groove of the supporting part 5 and can transversely slide in the sliding groove. The right side of the cylinder fixing seat 3 is provided with a screw rod 9, the screw rod 9 is positioned above the guide rail 2 and is parallel to the guide rail 2, and the left end of the screw rod 9 is fixedly connected with the right side wall of the cylinder fixing seat 3 into a whole. Still be provided with on the guide rail 2 and adjust seat 10, adjust seat 10 and be located the right side of cylinder fixing base 3 and with guide rail 2 sliding connection, it can be fixed in the locking bolt on the guide rail 2 with it to dispose on the seat 10 to adjust, and the right-hand member of screw rod 9 is stretched out by the right side of adjusting seat 10, and disposes adjusting nut 11, adjusting nut 11 is located the installation position of adjusting seat 10.

The working principle of the invention is as follows: the cylinder fixing seat 3 can be close to or far away from the adjusting seat 10 by rotating the adjusting nut 11, and then the fine adjustment of the position of the impact head at the left end of the probe 8 is realized. And the locking bolt of the adjusting seat 10 is loosened, the adjusting seat 10 together with the screw 9 drives the cylinder fixing seat 3 to horizontally slide along the guide rail 2, and the coarse adjustment of the position of the impact head at the left end of the probe 8 is realized. When the silicon steel strip cutting machine is used, the silicon steel strip cutting machine is arranged on a cutting unit, the telescopic end of the air cylinder 6 drives the probe 8 to stretch, the impact head at the left end of the probe 8 pushes a cut part out of a cutting station, and the impact head of the probe 8 returns quickly after a workpiece is pushed out, so that a feeding space is provided for a silicon steel strip, and the processing continuity is guaranteed.

Embodiment 2, with reference to fig. 1 to 4, a cutting structure includes two cutting units, a front cutting unit 12 located on the front side and a rear cutting unit 13 located on the rear side, the two cutting units each include a bottom plate 14, a mounting base 15, an upper bracket 16 and a transmission mechanism, and the mounting base 15 is horizontally and fixedly disposed on one side of the upper surface of the bottom plate 14 and is fixedly connected to the bottom plate 14. The part of the bottom plate 14, which is positioned on the left side of the mounting base 15, is provided with a blanking hole, and waste materials formed by processing fall through the blanking hole and are collected. The blanking elastic conveying devices are respectively arranged on the sides, close to each other, of the mounting bases 15 of the two cutting units, and the mounting bases 1 of the blanking elastic conveying devices are fixedly connected with the mounting bases 15 of the cutting units through bolts. The upper support 16 is located above the mounting base 15 and connected with the mounting base 15 through two vertical guide shafts 17, and the transmission mechanism is arranged on the upper support 16.

The transmission mechanism comprises an eccentric shaft 21, a connecting plate 22 and a connecting block 23, wherein two ends of the eccentric shaft 21 are rotatably connected with two vertical plates 31 of the upper bracket 16 through supporting bearings. The connecting plate 22 is vertically arranged between the two vertical plates 31, the upper part of the connecting plate 22 is provided with an oval assembling hole, a rotating bearing arranged on the eccentric shaft 21 is positioned in the oval assembling hole of the connecting plate 22, and the eccentric shaft 21 drives the connecting plate 22 to move up and down through the rotating bearing. The connecting block 23 is located below the connecting plate and is connected with the connecting plate 22 through a vertical guide rod 24, the upper end of the guide rod 24 is fixedly connected with the bottom of the connecting block 23, and the lower end of the guide rod is fixedly connected with the top of the connecting block 23.

One end of the eccentric shaft 21 extends out of the outer side of one of the vertical plates 31 and is connected with a driving shaft of the motor 26 through the coupling 25, the motor 26 is located on one side of the upper bracket 16 and is fixedly mounted on the upper bracket 16 through bolts, and the motor 26 drives the eccentric shaft 21 to rotate so as to drive the connecting plate 22 to reciprocate in the vertical direction. A guide wheel is mounted on one side of the upper portion of the connecting plate 22, which is far away from the motor 26, a vertical guide groove is formed in the inner side wall of the vertical plate 31, which is opposite to the guide wheel, the guide wheel is located in the guide groove, and in the process that the guide wheel vertically moves along with the connecting plate 22, the outer wall of the guide wheel is always in contact with the inner wall of the guide groove, so that the connecting plate 22 is ensured to vertically reciprocate in the vertical direction.

The two cutting units further comprise an upper tool rest 27 and a lower tool rest 28, the upper end of the upper tool rest 27 is connected with the connecting block 23 through a pin shaft, vertical shaft sleeves 29 are fixedly welded on the left side and the right side of the upper tool rest 27 respectively, the two shaft sleeves 29 are sleeved on the two guide shafts 17 respectively, and the upper tool rest 27 is connected with the guide shafts 17 in a sliding mode through the shaft sleeves 29. The lower end of the upper tool rest 27 is provided with an upper cutter, a guide pin is arranged in a vertical mounting hole at the lower end of the upper tool rest 27, a spring is arranged outside the guide pin, the lower end of the guide pin is provided with a buffer block 30, the lower part of the spring is pressed on the upper surface of the buffer block 30, the buffer block 30 is positioned on one side of the upper cutter, and the bottom of the buffer block 30 is lower than the bottom of the upper cutter. In the falling process of the upper cutter, the buffer block 30 firstly contacts the silicon steel material belt, the silicon steel material belt is pressed by the upper cutter, and the buffer block 30 is always pressed on the surface of the material belt in the continuous falling process of the lower cutter so as to ensure the processing precision of the lower cutter on the silicon steel material belt. The lower tool post 28 is fixed on the mounting base 15 by bolts, the lower tool post 28 is provided with a lower cutter corresponding to the upper cutter, and the upper cutter falls down to match with the lower cutter to cut off the silicon steel material belt.

The mounting bases 15 of the two cutting units are positioned on the upper surface of the same side of the upper cutter, cover plates 33 with a plurality of air outlet holes are arranged on the upper surfaces, the portion, below the cover plates 33, of the mounting bases 15 is a cavity, and the cavity is communicated with the air inlet holes on one side of the mounting bases 15. In the user state, compressed gas gets into in its cavity through the inlet port of installation base 15 one side, and gas blows out through a plurality of ventholes on the apron 33, blows the metal sheet that finishes processing, makes its surface with the apron break away from and be in the suspension state, avoids the metal sheet that finishes processing and apron to glue together, is difficult to be released from the processing station by blanking bullet send device's probe 8, influences the feeding of follow-up processing, also takes place the incident easily and leads to equipment to damage. The upper tool rest 27 of the front cutting unit 12 for connecting the two guide shafts 17 is arranged in a direction of 45 degrees in the right direction, and the upper cutter and the lower cutter of the front cutting unit 12 are also arranged in a direction of 45 degrees in the right direction. The upper tool rest 27 of the rear cutting unit 13, which is used for connecting the two guide shafts 17, is arranged in the direction of 45 degrees in the left direction, the upper cutter and the lower cutter of the rear cutting unit 13 are also 45 degrees in the left direction, and the upper cutter and the lower cutter of the two cutting units form an included angle of 90 degrees.

The mounting bases 15 of the two cutting units are fixedly provided with a discharging inclined plate 34 at one side close to the cover plate 33, one side of the discharging inclined plate 34 is connected with the mounting base 15, and the other side inclines downwards. The front end of the discharge sloping plate 34 connected with the front cutting unit 12 is bent upwards to form a folded edge, a planar limiting bracket 35 is arranged on the folded edge, and the inclination of the limiting bracket 35 is consistent with that of the main body part of the discharge sloping plate 34 of the front cutting unit 12. The back end of the discharge sloping plate 34 connected with the rear cutting unit 13 is bent upwards to form a folded edge, a planar limiting bracket 35 is also arranged on the folded edge, and the inclination of the limiting bracket 35 is consistent with that of the main body part of the discharge sloping plate 34 of the rear cutting unit 13. After the silicon steel material belt is cut off by the upper cutters of the two cutting units, the formed metal plate is horizontally pushed out by the probe 8 of the blanking elastic conveying device, and the limiting bracket 35 can prevent the metal plate from horizontally flying out, so that the metal plate is ensured to slide along the surface of the discharging inclined plate 34 and be collected.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.

Claims

1. A cutting structure comprises two cutting units, wherein the front cutting unit is positioned on the front side, and the rear cutting unit is positioned on the rear side; the side, close to each other, of the mounting bases of the two cutting units is respectively provided with a blanking elastic conveying device;

the blanking elastic conveying device comprises a mounting seat, a guide rail and a cylinder fixing seat, wherein the guide rail is transversely arranged on one side of the mounting seat, and one end of the guide rail is fixedly connected with the upper part of the mounting seat; the cylinder fixing seat is arranged on the guide rail and is in sliding connection with the guide rail; the upper part of one side of the cylinder fixing seat, which is close to the mounting seat, is provided with a cylinder, and the cylinder can move along the guide rail along with the cylinder fixing seat; the telescopic end of the air cylinder deviates from the air cylinder fixing seat and is detachably connected with one end of a probe which is transversely arranged through a connecting sleeve, and the other end of the probe is provided with a truncated cone-shaped impact head; a screw rod is arranged on one side of the cylinder fixing seat, which is far away from the mounting seat, is parallel to the guide rail, and one end of the screw rod is fixedly connected with the cylinder fixing seat; the guide rail is provided with an adjusting seat, the adjusting seat is connected with the guide rail in a sliding manner, and an adjusting nut arranged on the screw rod is positioned in an installation position of the adjusting seat;

the upper bracket is positioned above the mounting base and connected with the mounting base through two vertical guide shafts, and the transmission mechanism is arranged on the upper bracket; the mounting bases of the two cutting units are positioned on the upper surface of the same side of the upper cutter, and are respectively provided with a cover plate with a plurality of air outlet holes, the part of the mounting base positioned below the cover plate is a cavity, and the cavity is communicated with an air inlet hole on one side of the mounting base; the bottom plate is arranged on the outer side of the mounting base and is provided with a blanking hole.

2. The cutting structure according to claim 1, wherein the transmission mechanism comprises an eccentric shaft, a connecting plate and a connecting block, wherein two ends of the eccentric shaft are rotatably connected with the two vertical plates of the upper bracket through supporting bearings; the connecting plate is positioned between the two vertical plates, the rotating bearing arranged on the eccentric shaft is positioned in the elliptical hole of the connecting plate, and the eccentric shaft drives the connecting plate to move up and down through the rotating bearing; the connecting block is positioned below the connecting plate and is connected with the connecting plate through the guide rod.

3. The cutting structure according to claim 2, wherein one end of the eccentric shaft extends out of one of the vertical plates and is connected with a motor arranged on the upper bracket through a coupling, and the motor drives the eccentric shaft to rotate; one side of the upper part of the connecting plate is provided with a guide wheel which is matched with a vertical guide groove on the inner side wall of the vertical plate opposite to the guide wheel.

4. The cutting structure according to claim 1, wherein the two cutting units further comprise an upper tool rest and a lower tool rest, the upper end of the upper tool rest is connected with the connecting block through a pin shaft, and two sides of the upper tool rest are slidably connected with the guide shaft through shaft sleeves; the lower end of the upper tool rest is provided with an upper cutter, the lower end of the upper tool rest is provided with a buffer block, and the buffer block is positioned on one side of the upper cutter; the lower knife holder is fixed on the mounting base, and a lower cutter corresponding to the upper cutter is arranged on the lower knife holder.

5. The cutting structure according to claim 1, wherein the upper cutter holder of the front cutting unit is arranged in a 45 ° right direction, and the upper cutter and the lower cutter of the front cutting unit are also arranged in a 45 ° right direction; the upper tool rest of the rear cutting unit is arranged in a left 45-degree direction, and the upper cutter and the lower cutter of the rear cutting unit are also arranged in a left 45-degree direction.

6. The cutting structure according to claim 1, wherein the mounting bases of the two cutting units are provided with a discharge sloping plate on one side close to the cover plate; one side of swash plate links to each other with the installation base, the opposite side downward sloping, the top of swash plate disposes spacing support.

7. The cutting structure according to claim 1, wherein the upper end of the mounting seat is provided with a supporting seat, one end of the supporting seat away from the guide rail is provided with a supporting part, and the supporting part and the supporting seat are fixedly connected into a whole; the upper end of the supporting part is provided with a sliding groove matched with the probe, and the probe is positioned in the sliding groove of the supporting part.