CN115870562A - Cutting anti-falling device and barrel cutting method - Google Patents
Cutting anti-falling device and barrel cutting method Download PDFInfo
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- CN115870562A CN115870562A CN202310213834.XA CN202310213834A CN115870562A CN 115870562 A CN115870562 A CN 115870562A CN 202310213834 A CN202310213834 A CN 202310213834A CN 115870562 A CN115870562 A CN 115870562A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention relates to the field of turning equipment, and particularly provides a cutting anti-falling device and a barrel cutting method, wherein the cutting anti-falling device comprises a clamping unit, wherein the clamping unit comprises a base, an acting rod, a locking screw rod and a movable jaw; the base is provided with a guide hole, an adjusting hole and a sliding chute; the acting rod is sequentially provided with a slide rail section, an avoiding section and a clamping section along the length direction of the acting rod; the slide rail section is movably arranged in the guide hole; the locking screw rod is rotationally arranged in the adjusting hole; the movable claw is arranged in the sliding groove in a sliding mode, and when the locking screw rod rotates, the movable claw can be controlled to be far away from or close to the acting force rod. Through the design of this structure can prevent that the clout from droing at the in-process of cutting section of thick bamboo spare, avoided the potential safety hazard.
Description
Technical Field
The invention relates to the field of turning equipment, in particular to a cutting anti-falling device and a barrel cutting method.
Background
With the rapid development of the aerospace field, the pressure vessel made of the large forging is more and more widely applied, and compared with a plate rolling welding technology, the structural strength of the large forging is better because no welding seam is arranged on the peripheral wall of the large forging. Because large-scale forging is the integral type shaping, in order to satisfy the user demand, need cut large-scale forging usually, when cutting, need place large-scale forging on the revolving stage, the revolving stage drives large-scale forging and rotates, and further, cuts off large-scale forging through the cutter.
In the process of cutting the large forging, the large forging is heavy in weight and is in a rotating state during cutting, so that the cut-off part of the large forging is easy to fall under the action of centrifugal force, and potential safety hazards are caused.
Disclosure of Invention
The present invention is directed to solve at least one of the problems of the related art, and for this purpose, in a first aspect, the present invention provides a cutting dropout prevention means. Can prevent that the clout from droing at the in-process of cutting section of thick bamboo spare, avoid the potential safety hazard.
In a second aspect, the invention provides a barrel cutting method, which is used for cutting the barrel by using the cutting anti-falling device of the first aspect, and has the advantages of high automation degree and better processing quality on the basis of improving the operation safety.
A cutting dropout prevention means according to an embodiment of a first aspect of the present invention, comprising a clamping unit, wherein the clamping unit comprises:
the device comprises a base, a positioning device and a control device, wherein a guide hole, an adjusting hole and a sliding groove are formed in the base;
the force applying rod is sequentially provided with a sliding rail section, an avoiding section and a clamping section along the length direction of the force applying rod, the sliding rail section is movably arranged in the guide hole, and the sliding rail section moves along the length direction of the sliding rail section; the avoiding section protrudes towards the direction far away from the base; the peripheral wall of the barrel is provided with an annular cutting groove, and the annular cutting groove divides the barrel into a cutting part positioned at the upper part of the annular cutting groove and a main body part positioned at the lower part of the annular cutting groove; the part of the slide rail section at the lower end of the base abuts against the inner peripheral wall of the cut-out part, and the clamping section abuts against the inner peripheral wall of the main body part;
the locking screw rod is rotationally arranged in the adjusting hole;
the movable claw is arranged in the sliding groove in a sliding manner; when the locking screw rod rotates, the movable claw can be driven to move away from or close to the acting rod, and the movable claw is abutted to the peripheral wall of the cut-out portion.
According to some embodiments of the invention, the slide rail section is provided with a guide surface, and the base is provided with the guide hole corresponding to an outer contour of the slide rail section.
According to some embodiments of the invention, the movable jaw comprises a sliding block portion, the sliding block portion is slidably disposed in the sliding groove, an arc-shaped groove is formed in one end of the sliding block portion, a thread is arranged in the arc-shaped groove, and a clamping portion is disposed at the other end of the sliding block portion.
According to some embodiments of the invention, a side of the clamping portion adjacent to the force bar is provided with an arcuate surface.
According to some embodiments of the invention, the arcuate surface is provided with anti-slip teeth.
According to some embodiments of the invention, the device further comprises a top bracing mechanism, wherein the top bracing mechanism is provided with a support ring, and the lower end of the support ring is provided with a telescopic assembly; the support ring comprises a first position state and a second position state, wherein the first position state is that the support ring is abutted to the acting rod, the second position state is that the support ring is separated from the acting rod, and the telescopic assembly can drive the support ring to be changed between the first position state and the second position state when moving.
According to some embodiments of the invention, the support ring is provided with a groove which limits the lower end of the force rod.
According to a barrel cutting method of an embodiment of a second aspect of the present invention, the cutting dropout-preventing means includes a grip unit and a jack mechanism;
the barrel cutting method comprises the following steps:
s10: mounting the lower end of the barrel on a rotary table of a machine tool, and arranging N clamping units at the upper end of the barrel; wherein N is more than or equal to 3;
s20: adjusting the vertical height of the acting rod based on the height of the annular cutting groove to enable the central position of the avoiding section of the clamping unit to be the same as the central position of the annular cutting groove in height;
s30: detecting the distribution positions of the clamping units on the barrel part through a detection mechanism based on the rotation of the rotating table;
s40: based on the distribution position of the clamping units, acquiring a maximum distribution density area of the clamping units on the barrel part, and setting the cutter at the axial symmetry position of the maximum distribution density area of the clamping units on the barrel part;
s50: the machine tool collects the feed amount of the cutter and the rotation number of the rotary table to judge the depth of the annular cutting groove, when the barrel part is to be cut off, the support ring of the jacking mechanism rises, and the support ring is abutted against the lower end of the acting rod; when the cartridge is completely cut off, the support ring descends, disengaging the lower end of the force bar.
According to some embodiments of the invention, in step S10, at least 6 gripping units are provided, wherein 4 gripping units are equally arranged, and the rest gripping units are all arranged in 1/4 of the circumference with the centre of any one of the equally arranged gripping units as the center.
According to some embodiments of the invention, in step S50, when H-S × T ≦ 1.2T, where H is the wall thickness of the barrel, T is the feed of the cutting knife, and S is the number of revolutions of the rotary table, the telescopic assembly starts to move, controlling the support ring to abut against the lower end of the force application rod.
According to the embodiment of the invention, at least the following technical effects are achieved:
according to the embodiment of the invention, the clamping unit is arranged at the upper end of the barrel part and comprises a base, an acting rod, a locking screw rod and a movable claw, wherein the base is provided with a guide hole, an adjusting hole and a sliding groove; the acting rod is provided with a slide rail section, an avoiding section and a clamping section; the slide rail section is movably arranged in the guide hole, the avoiding section can avoid the mistaken cutting of the cutter, and the clamping section is abutted to the inner peripheral wall of the barrel part; one side of the movable claw close to the acting rod abuts against the outer peripheral wall of the barrel, and in the embodiment, the barrel is divided into a cutting part positioned at the upper part of the annular cutting groove and a main body part positioned at the lower part of the annular cutting groove according to the annular cutting groove; the slide rail section is located the partial butt excision internal perisporium wall of the lower extreme of base, the internal perisporium wall of clamping section butt main part, on the periphery wall of movable claw butt excision, through the combined action of movable claw and clamping section, the centre gripping unit can firmly be fixed on the periphery wall of barrel spare, keep the axis of excision and the axis collineation of main part, avoid at the revolving stage rotation in-process, the excision is followed the main part and is slided, and can improve the excision quality of ring grooving, improve sectional surface quality.
According to the embodiment of the invention, the guide surface is arranged on the slide rail section, so that the force rod can be prevented from rotating in the process of adjusting the base up and down, the concave part of the avoiding section is kept close to the annular cutting groove, and the convex part is kept away from the annular cutting groove.
According to the embodiment of the invention, the movable claw is in threaded connection with the locking screw rod through the threads in the arc-shaped groove, and the movable claw can be driven to be close to or far away from the force application rod in the rotating process of the locking screw rod.
According to the embodiment of the invention, the arc-shaped surface is arranged on one side of the clamping part close to the acting rod, and the arc-shaped surface is arranged on the clamping part of the movable claw, so that the contact area between the clamping part and the outer peripheral wall of the barrel part can be increased, and the stability of the clamping unit is further improved.
According to the embodiment of the invention, the anti-slip teeth are arranged on the arc-shaped surface, so that the friction force between the clamping part and the peripheral wall of the barrel can be improved, and the stability of the clamping unit is further improved.
According to the embodiment of the invention, in the ring cutting process, since the cutter needs to cut off part of the material on the barrel to form the ring cutting groove, in order to avoid the stress concentration at the uncut part caused by the barrel having the tendency of inclining towards the cut part when part of the barrel is cut off, in the embodiment, a jacking mechanism is further provided, and the cut part is jacked up by the supporting ring of the jacking mechanism abutting against the lower end of the supporting and clamping unit. Therefore, the problem of stress concentration of the uncut part after the circular cutting groove part is cut off is avoided.
According to the embodiment of the invention, when the support ring of the top support mechanism is abutted against the lower end of the support clamping unit, the lower end of the force rod can be limited by arranging the groove on the support ring, so that the phenomenon that the force rod is inclined due to uneven distribution of the supporting force in the supporting process is avoided.
Drawings
FIG. 1 is a schematic view of a structure according to the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of a structure of the clamping unit of the present invention;
FIG. 4 is a schematic cross-sectional view of the clamping unit of the present invention;
FIG. 5 is a schematic view of a moveable jaw of the present invention;
in the figure:
100-clamping unit, 110-base, 111-guide hole, 112-adjusting hole, 113-sliding chute, 120-force rod, 121-sliding rail section, 1211-guide surface, 122-avoiding section, 123-clamping section, 130-locking screw rod, 140-movable claw, 141-sliding block part, 142-arc groove, 143-clamping part, 1431-arc surface, 1432-anti-slip tooth;
200-top bracing structure, 210-support ring, 211-groove, 220-telescopic component;
300-barrel, 301-annular slot, 310-cut-out, 320-body;
400-rotating table, 410-cutter.
Detailed Description
The content of the invention will now be discussed with reference to exemplary embodiments. It is to be understood that the embodiments discussed are merely intended to enable one of ordinary skill in the art to better understand and thus implement the teachings of the present invention, and do not imply any limitations on the scope of the invention.
Figure 1 schematically shows a block diagram of the invention. As shown in fig. 1, the present embodiment discloses a cutting dropout prevention apparatus provided by the present invention, which comprises a clamping unit 100, wherein the clamping unit 100 comprises a base 110, an acting rod 120, a locking screw 130 and a movable jaw 140; the base 110 is provided with a guide hole 111, an adjusting hole 112 and a chute 113; the force application rod 120 is sequentially provided with a slide rail section 121, an avoidance section 122 and a clamping section 123 along the length direction of the force application rod; the sliding rail section 121 is movably arranged in the guide hole 111 and moves along the length direction of the sliding rail section 121; the avoiding section 122 protrudes away from the base 110, and specifically, the avoiding section 122 is a U-shaped rod section; the locking screw 130 is rotatably disposed in the adjustment hole 112; the movable jaw 140 is slidably disposed in the sliding groove 113, and when the locking screw 130 rotates, the movable jaw 140 can be controlled to move away from or close to the force applying rod 120. Specifically, the clamping unit 100 is disposed on the cylinder 300, and divides the cylinder 300 into a cut-out portion 310 located at an upper portion of the annular cutting groove 301 and a body portion 320 located at a lower portion of the annular cutting groove 301 according to a position of the annular cutting groove 301 on the cylinder 300; the part of the slide rail section 121 at the lower end of the base 110 abuts against the inner peripheral wall of the cut-out portion 310, the clamping section 123 abuts against the inner peripheral wall of the main body portion 320, the movable claw 140 abuts against the outer peripheral wall of the cut-out portion 310, the clamping unit 100 can be firmly fixed on the peripheral wall of the barrel 300 through the combined action of the movable claw 140 and the clamping section 123, the axis of the cut-out portion 310 and the axis of the main body portion 320 are kept collinear, the cut-out portion 310 is prevented from slipping off the main body portion 320 during the rotation of the rotating table 400, the cut-out quality of the annular cutting groove 301 can be improved, and the surface quality of the section is improved.
In some embodiments of the present invention, the sliding rail section 121 is provided with a guide surface 1211, and the guide hole 111 is provided with a guide hole 111 corresponding to the outer contour of the sliding rail section 121. By providing the guide surface 1211 on the slide rail section 121, the force rod 120 can be prevented from rotating during the vertical adjustment of the force rod 120 on the base 110, and the concave part of the avoiding section is kept close to the annular slot 301 and the convex part is kept away from the annular slot 301. Specifically, in this embodiment, the avoidance section is a U-shaped pipe section. In this embodiment, the acting rod 120 can be controlled to move up and down by connecting an air cylinder to the upper end of the slide rail section 121; or a limiting hole is arranged on the base 110 in the direction perpendicular to the axis of the guide hole 111, a base-rice bolt is installed in the limiting hole to abut against the acting rod 120, and the acting rod 120 is kept fixed after the acting rod 120 is adjusted to a proper position.
In some embodiments of the present invention, the movable jaw 140 includes a slider portion 141, the slider portion 141 is slidably disposed in the sliding slot 113, one end of the slider portion 141 is provided with an arc-shaped slot 142, a thread is disposed in the arc-shaped slot 142, and the other end of the slider portion 141 is provided with a clamping portion 143. In the present embodiment, the threads in the arcuate slot 142 may be provided as rectangular threads; the locking screw rod 130 is correspondingly arranged as a rectangular thread screw rod, and the rectangular thread can bear larger clamping force relative to the common thread. In this embodiment, the locking screw 130 is rotatably disposed in the base 110, the locking screw 130 can control the movable jaw 140 to approach or separate from the force applying rod 120 when rotating, one end of the locking screw 130, which is far away from the base 110, can be configured as a bolt head, and the locking screw 130 is manually rotated; the motor can be used for driving one end of the locking screw rod 130 to automatically control the rotation of the locking screw rod 130, so that the automatic control of the clamping unit 100 can be realized.
In some embodiments of the present invention, a side of the clamping portion 143 adjacent to the force bar 120 is provided with an arcuate surface 1431. By providing the arc-shaped surface 1431 on the holding portion 143 of the movable claw 140, the contact area between the holding portion 143 and the outer peripheral wall of the cartridge 300 can be increased, and the stability of the holding unit 100 can be improved.
In some embodiments of the invention, the arcuate surface 1431 is provided with anti-slip teeth 1432. By providing the anti-slip teeth 1432 on the arc-shaped face 1431, the friction force between the clamping portion 143 and the outer peripheral wall of the cartridge 300 can be improved, and the stability of the clamping unit 100 can be further improved.
In some embodiments of the present invention, the top supporting mechanism 200 is further included, the top supporting mechanism 200 is provided with a supporting ring 210, the lower end of the supporting ring 210 is provided with a telescopic assembly 220, the supporting ring 210 includes a first position state and a second position state, wherein the first position state is that the supporting ring 210 abuts against the force rod 120, the second position state is that the supporting ring 210 is separated from the force rod 120, and the telescopic assembly 220 can drive the supporting ring 210 to change between the first position state and the second position state when moving. Specifically, the telescoping assembly 220 is a hydraulic cylinder or an electric cylinder. In the ring cutting process, since the cutter 410 needs to cut off a part of the material on the barrel 300 to form the ring cutting groove 301, in order to avoid the barrel 300 having a tendency to incline toward the cut part when the part of the barrel 300 is cut off, resulting in stress concentration at the uncut part, in the present embodiment, the top bracing mechanism 200 is provided to lift up the cut part 310 by abutting the support ring 210 of the top bracing mechanism 200 against the lower end of the support clamping unit 100. This avoids the problem of stress concentration in the uncut portion after the annular cutting groove 301 is partially cut.
In some embodiments of the present invention, the support ring 210 is provided with a groove 211. When the support ring 210 of the top bracing mechanism 200 abuts against the lower end of the support clamping unit 100, the lower end of the force rod 120 can be limited by arranging the groove 211 on the support ring 210, and the phenomenon that the force rod 120 is inclined due to uneven distribution of the supporting force in the supporting process is avoided.
A method for cutting a cartridge 300 according to an embodiment of the second aspect of the present invention includes the steps of:
s10: mounting the lower end of the cartridge 300 on the rotary table 400 of the machine tool, arranging N clamping units 100 at the upper end of the cartridge 300; wherein N is more than or equal to 3; specifically, the N number of grip units 100 are arranged at the upper end of the barrel 300, enabling multi-point restriction to be formed, thereby keeping the axis of the cut-out portion 310 and the axis of the main body portion 320 collinear during circular cutting.
S20: based on the height of the annular cutting groove 301, the vertical height of the force rod 120 is adjusted to enable the height of the center position of the avoiding section 122 to be the same as that of the center position of the annular cutting groove 301; specifically, the height of the circular cutting groove 301 is determined through parameters set by a machine tool; then, the force applying rod 120 is adjusted to enable the central position of the avoiding section 122 to be close to the annular cutting groove 301, so that the cutter 410 is prevented from generating error cutting during operation;
s21: the motor drives the locking screw 130 to rotate, so that the movable jaw 140 is close to the force application rod 120, and the clamping unit 100 is clamped and fixed.
S30: detecting the distribution position of the grip unit 100 on the cartridge 300 by the detection means based on the rotation of the rotating table 400; specifically, the machine tool is started, the rotary table 400 starts to preheat and rotate, and the detection mechanism of the machine tool detects the distribution positions of the clamping units 100 on the cylinder 300, in this embodiment, the laser detection element may be arranged on the machine tool to scan the base 110 on the cylinder 300, so as to realize the detection function; a signal generating device may be provided on the base 110 to transmit a position signal of the clamp unit 100 to the inside of the machine tool.
S40: based on the distribution position of the clamping units 100, acquiring the area with the maximum distribution density of the clamping units 100 on the barrel 300, and setting the cutter 410 at the axial symmetry position of the area with the maximum distribution density of the clamping units 100 on the barrel 300; specifically, in this step, when the cutter 410 starts cutting the cylindrical member 300, the cylindrical member 300 has a tendency to tilt toward the cut portion, resulting in stress concentration at the uncut portion, and therefore, by cutting at the axial symmetry of the region where the distribution density of the grip unit 100 is the highest, the tilt tendency of the cylindrical member 300 is the greatest at the region where the distribution density of the grip unit 100 is the highest, so that concentricity of the cut portion 310 and the main body portion 320 can be secured by providing a plurality of grip units 100 at the region where the distribution density of the grip unit 100 is the highest during complete cutting, thereby improving the cutting quality of the cut groove and improving the surface quality of the cut surface.
S50: the machine tool collects the feed amount of the cutter 410 and the number of the rotation cycles of the rotary table 400 to judge the depth of the annular cutting groove 301, when the cylinder 300 is to be cut off, the support ring 210 of the jacking mechanism 200 rises, and the support ring 210 abuts against the lower end of the force rod 120; when the cartridge 300 is completely cut off, the support ring 210 is lowered, and the support ring 210 is disengaged from the lower end of the force rod 120. Since the cutter 410 needs to cut off a part of the material on the cylinder 300 to form the ring cutting groove 301, in order to avoid the cylinder 300 having a tendency to incline toward the cut part when the part of the cylinder 300 is cut off, resulting in stress concentration at the uncut part, in the present embodiment, a jack mechanism 200 is further provided to lift the cut part 310 by abutting the support ring 210 of the jack mechanism 200 against the lower end of the support clamp unit 100. This avoids the problem of stress concentration in the uncut portion after the annular cutting groove 301 is partially cut.
In some embodiments of the present invention, in step S10, at least 6 gripping units 100 are provided, wherein 4 gripping units 100 are equally arranged, and the remaining gripping units 100 are provided within 1/4 of the circumference of which any one of the gripping units 100 is the center. To form the region of the clamping unit 100 having the highest distribution density.
In some embodiments of the present invention, in step S50, when H-S × T ≦ 1.2T, the telescopic assembly 220 starts to move, and the control support ring 210 abuts against the lower end of the force rod 120, where H is the wall thickness of the barrel 300, T is the feeding amount of the cutting knife 410, and S is the number of revolutions of the rotary table 400.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a cutting dropout prevention means which characterized in that, includes the clamping unit, the clamping unit includes:
the device comprises a base, a positioning device and a control device, wherein a guide hole, an adjusting hole and a sliding groove are formed in the base;
the force applying rod is sequentially provided with a sliding rail section, an avoiding section and a clamping section along the length direction of the force applying rod, the sliding rail section is movably arranged in the guide hole, and the sliding rail section moves along the length direction of the sliding rail section; the avoiding section protrudes towards the direction far away from the base; the peripheral wall of the barrel is provided with an annular cutting groove, and the annular cutting groove divides the barrel into a cutting part positioned at the upper part of the annular cutting groove and a main body part positioned at the lower part of the annular cutting groove; the part of the slide rail section at the lower end of the base abuts against the inner peripheral wall of the cut-out part, and the clamping section abuts against the inner peripheral wall of the main body part;
the locking screw rod is rotatably arranged in the adjusting hole;
the movable claw is arranged in the sliding groove in a sliding manner; when the locking screw rod rotates, the movable claw can be driven to move in the direction away from or close to the acting rod, and the movable claw is abutted to the peripheral wall of the cut-out portion.
2. The cutting dropout prevention means of claim 1, wherein a guide surface is provided on said slide rail section, and said base is provided with said guide hole corresponding to an outer contour of said slide rail section.
3. The cutting anti-drop device according to claim 1, wherein the movable jaw comprises a sliding block portion, the sliding block portion is slidably disposed in the sliding groove, one end of the sliding block portion is provided with an arc-shaped groove, a thread is disposed in the arc-shaped groove, and the other end of the sliding block portion is provided with a clamping portion.
4. A cutting dropout prevention means according to claim 3, wherein a side of said clamping portion adjacent to said force lever is provided with an arc-shaped face.
5. A cutting dropout prevention means according to claim 4, wherein said arc-shaped face is provided with a non-slip tooth.
6. The cutting dropout prevention means according to claim 1, further comprising a top bracing mechanism provided with a support ring, the lower end of which is provided with a telescopic assembly; the support ring comprises a first position state and a second position state, wherein the first position state is that the support ring is abutted against the acting rod, the second position state is that the support ring is separated from the acting rod, and the telescopic assembly can drive the support ring to be changed between the first position state or the second position state when moving.
7. A cutting dropout prevention means according to claim 6, wherein said support ring is provided with a groove which limits the lower end of said force lever.
8. A cylinder cutting method applying the cutting drop-off prevention device of claim 7, wherein the cutting drop-off prevention device comprises a clamping unit and a top supporting mechanism;
the barrel cutting method comprises the following steps:
s10: mounting the lower end of the barrel on a rotary table of a machine tool, and arranging N clamping units at the upper end of the barrel; wherein N is more than or equal to 3;
s20: adjusting the vertical height of the acting rod based on the height of the annular cutting groove to enable the central position of the avoiding section of the clamping unit to be the same as the central position of the annular cutting groove in height;
s30: detecting the distribution positions of the clamping units on the barrel part through a detection mechanism based on the rotation of the rotating table;
s40: based on the distribution position of the clamping units, acquiring a maximum distribution density area of the clamping units on the barrel part, and setting the cutter at the axial symmetry position of the maximum distribution density area of the clamping units on the barrel part;
s50: the machine tool collects the feed amount of the cutter and the rotation number of the rotary table to judge the depth of the annular cutting groove, when the barrel part is to be cut off, the support ring of the jacking mechanism rises, and the support ring is abutted against the lower end of the acting rod; when the cartridge is completely cut off, the support ring descends, disengaging the support ring from the lower end of the force rod.
9. The cartridge cutting method according to claim 8, wherein in step S10, the gripping units are provided at least in 6, 4 of the gripping units are arranged in equal parts, and the rest of the gripping units are all provided within 1/4 of a circumference centered on any one of the equally arranged gripping units.
10. The method of claim 8, wherein in step S50, when H-S T is less than or equal to 1.2T, H is the wall thickness of the barrel, T is the feed amount of the cutter, and S is the number of revolutions of the rotary table, the telescopic assembly starts to move to control the support ring to abut against the lower end of the force application rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310213834.XA CN115870562B (en) | 2023-03-08 | 2023-03-08 | Cutting anti-falling device and barrel cutting method |
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| CN202310213834.XA CN115870562B (en) | 2023-03-08 | 2023-03-08 | Cutting anti-falling device and barrel cutting method |
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| CN115870562B (en) | 2023-06-02 |
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