CN114932597B - Numerical control laser cutting die stamping machine device - Google Patents

Numerical control laser cutting die stamping machine device Download PDF

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Publication number
CN114932597B
CN114932597B CN202210672213.3A CN202210672213A CN114932597B CN 114932597 B CN114932597 B CN 114932597B CN 202210672213 A CN202210672213 A CN 202210672213A CN 114932597 B CN114932597 B CN 114932597B
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CN
China
Prior art keywords
positioning
cutter die
cutter
workbench
spring
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Active
Application number
CN202210672213.3A
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Chinese (zh)
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CN114932597A (en
Inventor
金真杓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongdingxing Mould Suzhou Co ltd
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Zhongdingxing Mould Suzhou Co ltd
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Priority to CN202210672213.3A priority Critical patent/CN114932597B/en
Publication of CN114932597A publication Critical patent/CN114932597A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • B26F2001/4463—Methods and devices for rule setting, fixation, preparing cutting dies
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • 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
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The application discloses a numerical control laser cutter die sheet punching machine device which comprises a frame, numerical control equipment, punching equipment and a cutter die assembly, wherein the cutter die assembly comprises a workbench connected with the punching equipment, a cutter die holder arranged on the workbench and a plurality of cutter dies, the cutter die holder is rotatably arranged on the workbench through a rotating shaft, one end of the rotating shaft is provided with a positioning mechanism, and the workbench is provided with a yielding cavity for yielding the positioning mechanism; the application is provided with a plurality of locating rods which are arranged in a spiral way and a plurality of locating sleeves which are matched with the locating rods one by one, so that operators can be prevented from switching wrong cutting dies, and misoperation is avoided; during positioning, in the process of rotating the cutter die holder, the plurality of positioning rods are simultaneously inserted into the plurality of positioning sleeves, so that the impact force of inertia generated by rotation of the cutter die holder can be shared, the situation that the positioning rods are askew is avoided, the cutter die can be ensured to be perpendicular to the paper board, and the quality of punched sheets is ensured.

Description

Numerical control laser cutting die stamping machine device
Technical Field
The application relates to the field of laser cutter die stamping machines, in particular to a numerical control laser cutter die stamping machine device.
Background
The working principle of the stamping machine is that a template cutter such as a laser cutter is utilized, a certain pressure is applied through the stamping plate, the stamping machine is used for rolling and cutting the stamping product or the paperboard into a certain shape, the stamping product or the paperboard is rolled and cut into different shapes in production, so that different laser cutters are required to be switched, a plurality of laser cutters can be arranged on some cutter holders in the prior art, the cutter dies to be used are switched through motor driving, but after the laser cutters are switched by the cutter holders, the positions of the laser cutters are in errors, so that the laser cutters cannot be perpendicular to the paperboard or the stamping product, the problem of cutting distortion and cutting damage occurs, and the like is required to be designed.
Disclosure of Invention
The application provides a numerical control laser cutting die stamping machine device which can at least solve one problem pointed out in the background art.
The numerical control laser cutter die stamping machine device comprises a frame, numerical control equipment, stamping equipment and a cutter die assembly, wherein the cutter die assembly comprises a workbench connected with the stamping equipment, a cutter die holder arranged on the workbench and a plurality of cutter dies, and a plurality of cutter die mounting surfaces for mounting the cutter dies are arranged on the cutter die holder along the circumferential direction; the cutter die holder is rotatably arranged on the workbench through a rotating shaft, and a driving unit for driving the cutter die holder to rotate is arranged on the workbench;
one end of the rotating shaft is provided with a positioning mechanism, and the workbench is provided with a yielding cavity for yielding the positioning mechanism; the positioning mechanism comprises:
the positioning rod assemblies are in one-to-one correspondence with the cutter die mounting surfaces, are spirally arranged on the side surface of the rotating shaft and are perpendicular to the cutter die mounting surfaces corresponding to the positioning rod assemblies;
the positioning sleeves are matched with the positioning rod assemblies in a one-to-one correspondence manner, and a plurality of positioning grooves matched with the positioning sleeves in a one-to-one manner are formed in the abdication cavity;
the reset mechanism drives the positioning rod assembly to move radially so that the positioning rod assembly is pulled out of the positioning sleeve; and
and the switching mechanism drives the positioning sleeve to move in the positioning groove, so that the positioning sleeve can be matched with the positioning rod assemblies at different positions.
Preferably, the positioning rod assembly comprises:
a support part provided on the rotation shaft;
the positioning rod is sleeved on the supporting part; and
one end of the connecting rod penetrates through the supporting part to be connected with the positioning rod, and the other end of the connecting rod stretches into the rotating shaft;
the positioning rod is internally provided with a first spring, one end of the first spring is connected in the positioning rod, and the other end of the first spring is connected with the end face of the supporting part.
Preferably, the reset mechanism includes:
the connecting plates are positioned in the rotating shafts, and top blocks which are in one-to-one correspondence with the connecting rods are arranged on the connecting plates;
the push plate is positioned outside the rotating shaft and is connected with the connecting plate through a guide rod penetrating through the end face of the rotating shaft; and
the air cylinder is fixedly arranged in the abdication cavity;
the connecting rod is provided with a chute, the air cylinder pushes the push plate to move, and the top block is abutted to the inclined surface of the chute, so that the positioning rod moves radially.
Preferably, the outside of the locating sleeve is provided with a sliding block, and the groove wall of the locating groove is provided with a sliding groove matched with the sliding block.
Preferably, the switching mechanism comprises a plurality of switching groups, wherein the switching groups comprise a chain transmission mechanism and a plurality of pushing block assemblies arranged on a chain of the chain transmission mechanism;
a second spring is arranged in the positioning groove, one end of the second spring is connected to the groove wall of the positioning groove, and the other end of the second spring is connected to the positioning sleeve;
and an ear plate is arranged at one end, close to the switching group, of the positioning sleeve, and when the chain transmission mechanism is started, the push block assembly can be abutted against the ear plate, so that the positioning sleeve moves in the positioning groove.
Preferably, the pushing block assembly comprises a connecting block arranged on a chain and a pushing block inserted on the connecting block, and a spring III is arranged in a guide hole matched with the pushing block on the connecting block;
one side of chain drive mechanism is provided with the limiting plate, the limiting plate has an arc portion, works as when chain drive mechanism starts, and the ejector pad follows the chain and removes, at the in-process that removes, the top of ejector pad can conflict in the downside of arc portion, lets the height decline of ejector pad to make the ejector pad can contact with the otic placode, after ejector pad and limiting plate separation, the ejector pad resets under the effect of spring three and with the otic placode separation.
Compared with the prior art, the application has the beneficial effects that: the application is provided with a plurality of locating rods which are arranged in a spiral way and a plurality of locating sleeves which are matched with the locating rods one by one, so that operators can be prevented from switching wrong cutting dies, and misoperation is avoided;
during positioning, in the process of rotating the cutter die holder, the plurality of positioning rods are simultaneously inserted into the plurality of positioning sleeves, so that the impact force of inertia generated by rotation of the cutter die holder can be shared, the situation that the positioning rods are askew is avoided, the cutter die can be ensured to be perpendicular to the paper board, and the quality of punched sheets is ensured.
Drawings
FIG. 1 is a schematic view of a knife mold assembly according to the present application;
FIG. 2 is a cross-sectional view of a cutting die assembly of the present application;
FIG. 3 is an enlarged view of a portion of FIG. 2A in accordance with the present application;
FIG. 4 is a schematic view of the internal structure of the spindle according to the present application;
FIG. 5 is a schematic diagram of a reset mechanism according to the present application;
FIG. 6 is a schematic view of a positioning rod assembly of the present application;
FIG. 7 is a side view of a plurality of detent lever assemblies of the present application.
Reference numerals illustrate:
the device comprises a working table 1, a knife mold seat 2, a knife mold 3, a rotating shaft 4, a 5-yielding cavity, a 6-positioning groove, a 7-motor, a 11-positioning sleeve, a 12-supporting part, a 13-positioning rod, a 14-connecting rod, a 141-chute, a 15-spring I, a 16-connecting plate, a 17-push plate, a 18-guide rod, a 19-cylinder, a 20-push block, a 21-chain transmission mechanism, a 22-lug plate, a 23-spring II, a 24-connecting block, a 25-push block and a 26-limiting plate.
Detailed Description
One embodiment of the present application will be described in detail below with reference to the attached drawings, but it should be understood that the scope of the present application is not limited by the embodiment.
As shown in fig. 1 to 7, the numerical control laser cutter stamping machine device provided by the embodiment of the application comprises a frame, numerical control equipment, stamping equipment and a cutter module, wherein the cutter module comprises a workbench 1 connected with the stamping equipment, a cutter die holder 2 arranged on the workbench 1 and a plurality of cutter dies 3, and a plurality of cutter die mounting surfaces for mounting the cutter dies 3 are arranged on the cutter die holder 2 along the circumferential direction; the tool holder 2 is rotatably arranged on the workbench 1 through a rotating shaft 4, and a driving unit for driving the tool holder 2 to rotate is arranged on the workbench 1; the driving unit is a motor 7 which is arranged in the housing,
one end of the rotating shaft 4 is provided with a positioning mechanism, and the workbench 1 is provided with a yielding cavity 5 for yielding the positioning mechanism;
in the prior art, some positioning is realized by setting the rotation angle of a motor and then inserting a positioning column, but the motor is easy to interfere, the precision is insufficient after a period of use, the positioning column can not be inserted into a positioning hole after being driven by the motor, and the recalibration is time-consuming and labor-consuming, so that the production efficiency is influenced, and a more stable mechanical structure is required to be designed; in the prior art, a plurality of positioning mechanisms are further arranged, the positioning mechanisms adopt a structure of a positioning hole and a plurality of positioning columns, the selected positioning columns can be inserted into the positioning holes to finish positioning, the scheme has the defects that the weight of a die holder 2 provided with a plurality of dies 3 is large, the force after rotation can be applied to one positioning column, the positioning columns are easy to be stressed askew, the positioning accuracy is further invalid, the laser dies cannot be perpendicular to a paperboard or a printed product, the problems of cutting askew and cutting and the like are solved, and the positioning mechanism provided by the application comprises:
the positioning rod assemblies are in one-to-one correspondence with the cutter die mounting surfaces, are spirally arranged on the side surface of the rotating shaft 4 and are perpendicular to the cutter die mounting surfaces corresponding to the positioning rod assemblies;
the positioning sleeves 11 are in one-to-one correspondence with the positioning rod assemblies, and the abdication cavity 5 is provided with a plurality of positioning grooves 6 which are in one-to-one correspondence with the positioning sleeves;
a reset mechanism which drives the positioning rod assembly to move radially so as to enable the positioning rod assembly to be pulled out of the positioning sleeve 11; and
the switching mechanism drives the positioning sleeve 11 to move in the positioning groove 6 so that the positioning sleeve 11 can be matched with positioning rod assemblies at different positions;
as shown in fig. 7, the positioning rod assemblies are spirally arranged, and the positioning sleeves 11 are also spirally arranged, so that when the tool holder 2 rotates, the positioning rod assemblies are only inserted into the positioning sleeves 11 matched with the positioning rod assemblies, and the condition of wrong tool holder 3 selection does not occur in the process of rotating the tool holder 2;
the plurality of positioning rod assemblies are spirally arranged, but the angle between two adjacent positioning rod assemblies is 360/N, and N is the number of the positioning rod assemblies;
as shown in fig. 4, the positioning rod assembly includes:
a support 12 provided on the rotating shaft 4;
a positioning rod 13 sleeved on the supporting part 12; and
one end of a connecting rod 14 penetrates through the supporting part 12 and is connected with the positioning rod 13, and the other end of the connecting rod extends into the rotating shaft 4;
a first spring 15 is arranged in the positioning rod 13, one end of the first spring 15 is connected in the positioning rod 13, and the other end is connected to the end face of the supporting part 12;
during positioning, the positioning rods 13 are simultaneously inserted into the positioning sleeves 11, so that the rotation inertia of the cutter die holder 2 can be shared on the positioning rods 13, the situation that the positioning rods 13 are askew is prevented, and the cutter die 3 can be vertical to the paperboard is ensured;
as shown in fig. 3 and 5, the reset mechanism includes:
the connecting plates 16 are positioned in the rotating shaft 4, and the connecting plates 16 are provided with top blocks 20 which are in one-to-one correspondence with the connecting rods 14;
the push plate 17 is positioned outside the rotating shaft 4, and the push plate 17 is connected with the connecting plate 16 through a guide rod 18 penetrating through the end face of the rotating shaft 4; and
the air cylinder 19 is fixedly arranged in the abdication cavity 5;
the connecting rod 14 is provided with a chute 141, the air cylinder 19 pushes the push plate 17 to move, and the top block 20 is abutted against the inclined surface of the chute 141, so that the positioning rod 13 moves radially and is pulled out from the positioning sleeve 11;
as shown in fig. 5, since the plurality of positioning rods 13 are spirally arranged, the lengths of the plurality of top blocks 20 are also not so long;
springs are also arranged between the connecting plates 16 and the inner wall of the rotating shaft 4;
further, in order to improve the stability of the movement of the positioning sleeve 11, a sliding block is arranged on the outer side of the positioning sleeve 11, and a sliding groove matched with the sliding block is formed in the groove wall of the positioning groove 6;
since the plurality of positioning rods 13 are spirally arranged, when the position of the positioning sleeve 11 is required to be moved when the cutting die 3 is switched, the switching mechanism is required to be provided with a plurality of switching groups, as shown in fig. 3, the plurality of switching groups are driven by the same controller, and the switching groups comprise a chain transmission mechanism 21 and a plurality of pushing block assemblies arranged on a chain of the chain transmission mechanism;
the chain transmission mechanism 21 comprises two chain wheels, a chain arranged on the two chain wheels and a motor for driving the chain wheels to rotate;
a second spring 23 is arranged in the positioning groove 6, one end of the second spring 23 is connected to the groove wall of the positioning groove 6, and the other end of the second spring is connected to the positioning sleeve 11;
an ear plate 22 is arranged at one end, close to the reset group, of the positioning sleeve 11, and when the chain transmission mechanism 21 is started, the push block assembly is abutted against the ear plate 22, so that the positioning sleeve 11 moves in the positioning groove 6;
the pushing block assembly comprises a connecting block 24 arranged on a chain and a pushing block 25 spliced on the connecting block 24, and a spring III is arranged in a guide hole matched with the pushing block 25 on the connecting block 24;
a limiting plate 26 is arranged on one side of the chain transmission mechanism 21, the limiting plate 26 is provided with an arc-shaped part, when the chain transmission mechanism 21 is started, the push block 25 moves along with the chain, the top of the push block 25 can be abutted against the lower side of the arc-shaped part in the moving process, the height of the push block 25 is lowered, so that the push block 25 can be in contact with the lug plate 22, when the push block 25 is separated from the limiting plate 26, the push block 25 is reset under the action of a spring III and is separated from the lug plate 22, and after the push block 25 is separated from the lug plate 22, the positioning sleeve 11 returns to the initial position;
under the action of the switching mechanism, the positioning sleeve 11 can move to the positions matched with the positioning rods 13 respectively, as shown in fig. 4, six positioning rods 13 are arranged on the rotating shaft 4, so that the positioning sleeve 11 can move to six positions to be matched with the six positioning rods 13 respectively, in addition, the spacing between two adjacent push block assemblies on the chain is the same as the spacing between two positions farthest from each other, and after the push block 25 is separated from the lug plate 22, the positioning sleeve 11 returns to the initial position under the action of the second spring 23 and contacts with the next push block 25, and the returned initial position corresponds to one of the positioning rods 13.
Working principle: when the cutting die 3 needs to be switched, the air cylinder 19 is started, the air cylinder 19 pushes the push plate 17, so that the top block 20 on the connecting plate 16 is inserted into the chute 141, all the positioning rods 13 are moved radially, namely extracted from the positioning sleeve 11, then the positions of the positioning rods 13 corresponding to the cutting die 3 to be switched are set according to the switching mechanism, and the positions of the positioning sleeves 11 positioned at the lowest side are set specifically as follows, if six cutting dies 3 are arranged on the cutting die holder 2, at present, the first cutting die 3 is used, when the cutting die 3 is switched to the third cutting die 3, the positioning rods 13 corresponding to the third cutting die 3 need to be moved to the position of the lowest positioning rod and are inserted into the positioning sleeve 11 positioned at the lowest side, but the positions of the positioning sleeves 11 positioned at the lowest side are only matched with the first positioning rod 13, so that after all the positioning rods 13 are extracted, the positioning sleeves 11 positioned at the lowest are moved to the positions matched with the third positioning rod 13, and the positioning sleeve 11 need to be matched with the fifth positioning sleeve 13 after all the positioning rods 11 need to be switched, and the positioning sleeve 11 need to be matched with the fifth positioning rod 13;
then the controller drives a plurality of switching groups to work together, when the chain transmission mechanism 21 starts, the push block 25 moves along with the chain, in the moving process, the top of the push block 25 is abutted against the lower side of the arc-shaped part, the height of the push block 25 is lowered, so that the push block 25 can be contacted with the lug plate 22, the position of the positioning sleeve 11 is moved, the positioning sleeve 11 positioned at the lowest side is moved to a position matched with the third positioning rod 13, then the air cylinder 19 is reset, the positioning rod 13 is under the action of the first spring 15 but cannot be inserted into the positioning sleeve 11, finally the motor 7 is started again, the motor 7 drives the rotating shaft 4 to rotate, and in the rotating process, the plurality of positioning rods 13 are simultaneously inserted into the positioning sleeve 11 after position switching, so that the switching and positioning work of the cutter die 3 are completed.
It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (4)

1. The numerical control laser cutter die stamping machine device comprises a frame, numerical control equipment, stamping equipment and a cutter die assembly, and is characterized in that the cutter die assembly comprises a workbench connected with the stamping equipment, a cutter die holder arranged on the workbench and a plurality of cutter dies, wherein a plurality of cutter die mounting surfaces for mounting the cutter dies are arranged on the cutter die holder along the circumferential direction; the cutter die holder is rotatably arranged on the workbench through a rotating shaft, and a driving unit for driving the cutter die holder to rotate is arranged on the workbench;
one end of the rotating shaft is provided with a positioning mechanism, and the workbench is provided with a yielding cavity for yielding the positioning mechanism; the positioning mechanism comprises:
the positioning rod assemblies are in one-to-one correspondence with the cutter die mounting surfaces, are spirally arranged on the side surface of the rotating shaft and are perpendicular to the cutter die mounting surfaces corresponding to the positioning rod assemblies;
the positioning sleeves are matched with the positioning rod assemblies in a one-to-one correspondence manner, and a plurality of positioning grooves matched with the positioning sleeves in a one-to-one manner are formed in the abdication cavity;
the reset mechanism drives the positioning rod assembly to move radially so that the positioning rod assembly is pulled out of the positioning sleeve; and
the switching mechanism drives the positioning sleeve to move in the positioning groove so that the positioning sleeve can be matched with the positioning rod assemblies at different positions;
the switching mechanism comprises a plurality of switching groups, wherein the switching groups comprise a chain transmission mechanism and a plurality of pushing block assemblies arranged on chains of the chain transmission mechanism;
a second spring is arranged in the positioning groove, one end of the second spring is connected to the groove wall of the positioning groove, and the other end of the second spring is connected to the positioning sleeve;
an ear plate is arranged at one end, close to the switching group, of the positioning sleeve, and when the chain transmission mechanism is started, the push block assembly can be abutted against the ear plate, so that the positioning sleeve moves in the positioning groove;
the pushing block assembly comprises a connecting block arranged on a chain and a pushing block inserted on the connecting block, and a spring III is arranged in a guide hole matched with the pushing block on the connecting block;
one side of chain drive mechanism is provided with the limiting plate, the limiting plate has an arc portion, works as when chain drive mechanism starts, and the ejector pad follows the chain and removes, at the in-process that removes, the top of ejector pad can conflict in the downside of arc portion, lets the height decline of ejector pad to make the ejector pad can contact with the otic placode, after ejector pad and limiting plate separation, the ejector pad resets under the effect of spring three and with the otic placode separation.
2. A numerically controlled laser die punch apparatus as in claim 1, wherein said positioning rod assembly comprises:
a support part provided on the rotation shaft;
the positioning rod is sleeved on the supporting part; and
one end of the connecting rod penetrates through the supporting part to be connected with the positioning rod, and the other end of the connecting rod stretches into the rotating shaft;
the positioning rod is internally provided with a first spring, one end of the first spring is connected in the positioning rod, and the other end of the first spring is connected with the end face of the supporting part.
3. A numerically controlled laser die punch apparatus as in claim 2, wherein said reset mechanism comprises:
the connecting plates are positioned in the rotating shafts, and top blocks which are in one-to-one correspondence with the connecting rods are arranged on the connecting plates;
the push plate is positioned outside the rotating shaft and is connected with the connecting plate through a guide rod penetrating through the end face of the rotating shaft; and
the air cylinder is fixedly arranged in the abdication cavity;
the connecting rod is provided with a chute, the air cylinder pushes the push plate to move, and the top block is abutted to the inclined surface of the chute, so that the positioning rod moves radially.
4. The numerical control laser cutting die stamping machine device according to claim 1, wherein a sliding block is arranged on the outer side of the positioning sleeve, and a sliding groove matched with the sliding block is formed in the groove wall of the positioning groove.
CN202210672213.3A 2022-06-15 2022-06-15 Numerical control laser cutting die stamping machine device Active CN114932597B (en)

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Application Number Priority Date Filing Date Title
CN202210672213.3A CN114932597B (en) 2022-06-15 2022-06-15 Numerical control laser cutting die stamping machine device

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Application Number Priority Date Filing Date Title
CN202210672213.3A CN114932597B (en) 2022-06-15 2022-06-15 Numerical control laser cutting die stamping machine device

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CN114932597B true CN114932597B (en) 2023-08-25

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001023191A1 (en) * 1999-09-30 2001-04-05 Esselte N.V. Punching device for stacks of sheets
CN107097294A (en) * 2017-06-19 2017-08-29 盐城市华森机械有限公司 A kind of sheet material cuts efficient guillotine
CN209648876U (en) * 2019-01-31 2019-11-19 上海华谊检验检测技术有限公司 A kind of sheet-punching machine
CN211306553U (en) * 2019-12-21 2020-08-21 深圳市凯银纸业有限公司 Novel printing device
CN214078832U (en) * 2020-11-27 2021-08-31 浙江物产中大电机铁芯制造有限公司 One-die double-punching die for punching sheet
CN214163282U (en) * 2020-08-31 2021-09-10 丁卫兵 Blanking machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001023191A1 (en) * 1999-09-30 2001-04-05 Esselte N.V. Punching device for stacks of sheets
CN107097294A (en) * 2017-06-19 2017-08-29 盐城市华森机械有限公司 A kind of sheet material cuts efficient guillotine
CN209648876U (en) * 2019-01-31 2019-11-19 上海华谊检验检测技术有限公司 A kind of sheet-punching machine
CN211306553U (en) * 2019-12-21 2020-08-21 深圳市凯银纸业有限公司 Novel printing device
CN214163282U (en) * 2020-08-31 2021-09-10 丁卫兵 Blanking machine
CN214078832U (en) * 2020-11-27 2021-08-31 浙江物产中大电机铁芯制造有限公司 One-die double-punching die for punching sheet

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