CN108407392A - A kind of packing board groove pressing device - Google Patents

A kind of packing board groove pressing device Download PDF

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Publication number
CN108407392A
CN108407392A CN201810358499.1A CN201810358499A CN108407392A CN 108407392 A CN108407392 A CN 108407392A CN 201810358499 A CN201810358499 A CN 201810358499A CN 108407392 A CN108407392 A CN 108407392A
Authority
CN
China
Prior art keywords
hole
indent
screwed
plate
screw thread
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810358499.1A
Other languages
Chinese (zh)
Inventor
杨嘉欢
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.)
Zhejiang Xinfeng Packing Material Co Ltd
Original Assignee
Zhejiang Xinfeng Packing Material Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Xinfeng Packing Material Co Ltd filed Critical Zhejiang Xinfeng Packing Material Co Ltd
Priority to CN201810358499.1A priority Critical patent/CN108407392A/en
Publication of CN108407392A publication Critical patent/CN108407392A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31FMECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/08Creasing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

Abstract

The present invention proposes a kind of packing board groove pressing device, including pedestal, further include be welded in the mounting base on the left of the upper end of the pedestal, along the mounting base axially through screw thread be rotatably connected in the support column of upper end of the mounting base, the support member being set on the right side of the upper end of the pedestal, sliding sleeve be set at the support column and be pressed in the support member upper end operation panel, be rotatably connected in by screw thread the support column top lifting part and the indent component that is set at the lifting part.The packing board groove pressing device operation facility of the present invention, indent effect is good, and indent is efficient, and indent block is replaced according to the actual demand of packing board indent quantity, and controllability is strong, is conducive to improve production efficiency.

Description

A kind of packing board groove pressing device
Technical field
The present invention relates to machinery equipment field more particularly to a kind of packing board groove pressing devices.
Background technology
Currently, carrying out needing to carry out indent, still, traditional indent equipment result to cardboard in packaging process with cardboard Excessively single, controllability is poor, and indent effect is bad, can no longer meet the growth requirement of today's society.
Therefore, we are it is necessary to improve such a structure, to overcome drawbacks described above.
Invention content
The object of the present invention is to provide a kind of packing board groove pressing devices.
The present invention is technical solution used by solving its technical problem:
A kind of packing board groove pressing device, including pedestal, further include be welded in mounting base on the left of the upper end of the pedestal, The support column of the upper end of the mounting base is rotatably connected in axially through screw thread along the mounting base, is set to the upper of the pedestal The support member on right side, sliding sleeve is held to be set at the support column and be pressed in the operation panel of the upper end of the support member, lead to Cross screw thread be rotatably connected in the support column top lifting part and the indent component that is set at the lifting part;
The lifting part include lift backup plate, vertical welding in it is described lifting backup plate at the top of top plate, vertical welding in The bottom plate of shown lifting backup plate bottom and the driving motor being fixed at the top plate, the lifting backup plate, top plate and bottom plate In " Contraband " shape structure setting, the intermediate position of the top plate offers a clamping dimple, and driving is fixed at the clamping dimple Motor, the output shaft end of the driving motor extend to the lower end of the top plate, and the both sides of the top plate are equipped with first and lead Hole, the both sides of the bottom plate are equipped with the 5th and are screwed on hole, and first guide hole is adapted with the described 5th hole that is screwed on, guide rod Bottom outer wall is thread-like structure, and the bottom of guide rod is screwed on the described 5th hole that is screwed on, and the top of guide rod passes through the first guide hole simultaneously Extend to the upper end of the top plate;The intermediate position of the bottom plate is equipped with the 5th circular through hole, in the 5th circular through hole It is plugged with bearing race;The output shaft end of the driving motor is connected with leading screw by shaft coupling;The lifting part further includes One lifter plate, position is equipped with the 6th and is screwed on hole among the left end of the lifter plate, is screwed on the recessed of hole inside spin in the described 6th Equipped with screw thread, the described 6th is screwed on, and hole is adaptable with the leading screw, and the left end front and rear sides of the lifter plate are equipped with the 8th Circular through hole, the 8th circular through hole are adapted with the guide rod, and the driving motor drives leading screw to be rotated, the silk Thick stick drives the lifter plate to move up and down;The 9th is also equipped in the right end of the lifter plate to be screwed on hole, in the described 9th Be screwed on hole inside spin is recessed with screw thread;
The indent component includes indent seat, is rotatably connected at the indent seat axially through screw thread along the indent seat Indent bar, be rotatably connected in by screw thread the indent bar bottom indent holder and the indent branch is rotatably connected in by screw thread Indent block at frame;
The indent seat is cylindrical structure, and the outer wall of the indent seat is thread-like structure, the indent seat with it is described 9th be screwed on hole be adapted;The tenth is equipped in the inner along the axial direction of the indent seat to be screwed on hole, the described tenth is screwed on hole Inner wall is thread-like structure, and the indent bar is round bar shape, and the outer wall of the indent bar is thread-like structure, the indent bar with Described tenth be screwed on hole be adapted;The indent holder is round bar shape, and the intermediate position of the indent holder is equipped with the first spiral shell Line through-hole, first tapped through hole and the indent bar are adapted, and several the are also equipped in the both sides of the indent holder Two tapped through holes;The indent block is " convex " shape structure, and the top of the indent block is extended with adapting rod, the switching to upper end The outer wall of bar is thread-like structure, and the adapting rod is adapted with second tapped through hole.
Further, the mounting base is round-like structure, and first is equipped in the inner along the axial direction of the mounting base Be screwed on hole, the screw thread that is recessed with for the hole internal thread that is screwed in described first, and the support column is cylindrical-shaped structure, the support column External wall of upper portion and lower part outer wall are thread-like structure, the support column with described first be screwed on hole be adapted.
Further, the pedestal is disc-shaped structure, and recessed on the right side of the upper surface of the pedestal there are two be clamped seat, institute State the clamping trapezoidal structure of seat;
The support member includes support plate, be welded in shown support plate lower surface clamping block, be screwed on by screw thread In the supporting rod of the upper end of the support plate, the branch for being rotatably connected at the supporting rod by screw thread and being in contact with the support plate Support set plate, be sheathed on the supporting rod outside spring and sliding sleeve be set to the supporting rod top movable sleeve;
The support plate is square structure, and the clamping block is two, and the longitudinal section of the clamping block is trapezium structure, institute Clamping block is stated to be adapted with the clamping seat;Position is equipped with second and is screwed on hole among the surface of the support plate, in described The lower part outer wall of second screw thread that is recessed with for being screwed on hole internal thread, the supporting rod is thread-like structure, shown supporting rod and institute State second be screwed on hole be adapted;The supporting lag is columnar structured, and the inner wall of the supporting lag is thread-like structure, institute Show that supporting rod and the inner wall of shown supporting lag are adapted;One end of the spring is in contact with the supporting lag;The work Dynamic set is cylinder-like structure, and the movable sleeve is adapted with shown supporting rod.
Further, the operation panel is square structure, and the first circular through hole, institute are equipped on the left of the operation panel The left side lower end for stating operation panel is also bonded with sliding shoe, and the sliding shoe is round-like structure, along the axial direction of the sliding shoe It is equipped with the second circular through hole in the inner, the support column is adapted with first circular through hole and the second circular through hole;Institute The right side lower surface for stating operation panel is also recessed with a circular groove, and the movable sleeve is adapted with the circular groove.
The advantage of the invention is that:
For the prior art, packing board groove pressing device of the invention operation facility, indent effect is good, indent efficiency Height replaces indent block according to the actual demand of packing board indent quantity, and controllability is strong, is conducive to improve production efficiency.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of packing board groove pressing device proposed by the present invention.
Fig. 2 is the side view of lifting part.
Fig. 3 is the structural schematic diagram of indent component.
Fig. 4 is the structural schematic diagram of support member.
Number and the corresponding component title represented by letter in figure:
Wherein:1- pedestals;2- mounting bases;3- support columns;4- support members;5- operation panels;6- lifting parts;7- indents portion Part;41- support plates;42- clamping blocks;43- supporting rods;44- supporting lags;45- springs;46- movable sleeves;61- lifts backup plate; 62- top plates;63- bottom plates;64- driving motors;65- guide rods;66- leading screws;67- lifter plates;71- indent seats;72- indent bars;73- Indent holder;74- indent blocks.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below Diagram and specific embodiment are closed, the present invention is further explained.
As shown in Figures 1 to 4, a kind of packing board groove pressing device proposed by the present invention, including pedestal 1 further include welding Mounting base 2 on the left of the upper end of the pedestal 1 is rotatably connected in the mounting base 2 along the mounting base 2 axially through screw thread The support column 3 of upper end, the support member 4 being set on the right side of the upper end of the pedestal 1, sliding sleeve be set to the support column 3 at And be pressed in the operation panel 5 of the upper end of the support member 4, be rotatably connected in by screw thread the support column 3 top lifting unit Part 6 and the indent component 7 being set at the lifting part 6;
The lifting part 6 includes lifting backup plate 61, vertical welding in the top plate 62, vertical at the lifting backup plate 61 top The driving motor 64 for being welded in the bottom plate 63 of 61 bottom of shown lifting backup plate and being fixed at the top plate 62, the lifting are leaned on Plate 61, top plate 62 and bottom plate 63 are in " Contraband " shape structure setting, and the intermediate position of the top plate 62 offers a clamping dimple, described It is fixed with driving motor 64 at clamping dimple, the output shaft end of the driving motor 64 extends to the lower end of the top plate 62, institute The both sides for stating top plate 64 are equipped with the first guide hole, and the both sides of the bottom plate 63 are equipped with the 5th and are screwed on hole, and described first leads Hole is screwed on the described 5th, and hole is adaptable, and the bottom outer wall of guide rod 65 is thread-like structure, the bottom of guide rod 65 and the described 5th The hole that is screwed on is screwed on, and the top of guide rod 65 passes through the first guide hole and extends to the upper end of the top plate 62;The centre of the bottom plate 63 Position is equipped with the 5th circular through hole, and bearing race is plugged in the 5th circular through hole;The output shaft of the driving motor 64 End is connected with leading screw 66 by shaft coupling;The lifting part 6 further includes a lifter plate 67, in the left end of the lifter plate 67 Between position be equipped with the 6th and be screwed on hole, the screw thread that is recessed with for the hole inside spin that is screwed in the described 6th, the described 6th is screwed on hole and institute It states leading screw 66 to be adapted, the left end front and rear sides of the lifter plate 67 are equipped with the 8th circular through hole, and the described 8th is round logical Hole is adapted with the guide rod 65, and the driving motor 64 drives leading screw 66 to be rotated, and the leading screw 66 drives the lifting Plate 67 moves up and down;It is also equipped with the 9th in the right end of the lifter plate 67 to be screwed on hole, be screwed on spiral shell in hole in the described 9th Rotation is recessed with screw thread;
The indent component 7 includes indent seat 71, is rotatably connected in the pressure axially through screw thread along the indent seat 71 Indent bar 72 at groove seat 71, be rotatably connected in by screw thread the indent bar 72 bottom indent holder 73 and revolved by screw thread The indent block 74 being connected at the indent holder 73;
The indent seat 71 is cylindrical structure, and the outer wall of the indent seat 71 is thread-like structure, the indent seat 71 With the described 9th be screwed on hole be adapted;The tenth is equipped in the inner along the axial direction of the indent seat 71 to be screwed on hole, the described tenth The inner wall in hole of being screwed on is thread-like structure, and the indent bar 72 is round bar shape, and the outer wall of the indent bar 72 is thread-like structure, The indent bar 72 with the described tenth be screwed on hole be adapted;The indent holder 73 is round bar shape, in the indent holder 73 Between position be equipped with the first tapped through hole, first tapped through hole is adapted with the indent bar 72, in the indent holder 73 both sides are also equipped with several second tapped through holes;The indent block 74 is " convex " shape structure, the top of the indent block 74 It is extended with adapting rod to upper end, the outer wall of the adapting rod is thread-like structure, the adapting rod and second tapped through hole It is adapted.
Further, the mounting base 2 is round-like structure, and the is equipped in the inner along the axial direction of the mounting base 2 One is screwed on hole, the screw thread that is recessed with for the hole internal thread that is screwed in described first, and the support column 3 is cylindrical-shaped structure, the support The external wall of upper portion and lower part outer wall of column 3 are thread-like structure, the support column 3 with described first be screwed on hole be adapted.
Further, the pedestal 1 is disc-shaped structure, recessed there are two being clamped seat on the right side of the upper surface of the pedestal 1, The trapezoidal structure of the clamping seat;
The support member 4 include support plate 41, be welded in shown support plate 41 lower surface clamping block 42, pass through spiral shell Line be rotatably connected in the supporting rod 43 of the upper end of the support plate 41, be rotatably connected at the supporting rod 43 by screw thread and with the support Supporting lag 44 that plate 41 is in contact, be sheathed on the supporting rod 43 outside spring 45 and sliding sleeve be set to the support The movable sleeve 46 at the top of bar 43;
The support plate 41 is square structure, and the clamping block 42 is two, and the longitudinal section of the clamping block 42 is trapezoidal Structure, the clamping block 42 are adapted with the clamping seat;Position is equipped with the second rotation among the surface of the support plate 41 Hole is connect, the lower part outer wall of the screw thread that is recessed with for the hole internal thread that is screwed in described second, the supporting rod 43 is thread-like structure, institute Show supporting rod 43 with described second be screwed on hole be adapted;The supporting lag 44 be it is columnar structured, the supporting lag 44 Inner wall is thread-like structure, and shown supporting rod 43 and the inner wall of shown supporting lag 44 are adapted;One end of the spring 45 with The supporting lag 44 is in contact;The movable sleeve 46 is cylinder-like structure, and the movable sleeve 46 is suitable with 43 phase of shown supporting rod It answers.
Further, the operation panel 5 is square structure, and the first circular through hole is equipped in the left side of the operation panel 5, The left side lower end of the operation panel 5 is also bonded with sliding shoe, and the sliding shoe is round-like structure, along the axis of the sliding shoe To the second circular through hole is equipped in the inner, the support column 3 is adapted with first circular through hole and the second circular through hole; The right side lower surface of the operation panel 5 is also recessed with a circular groove, and the movable sleeve 46 is adapted with the circular groove.
Operation principle of the present invention:Next the present invention is manually passed through by the way that manually packing board is positioned at operation panel Pneumatic actuation motor works so that driving motor drive lifter plate declined, and at this time the indent block at lifter plate to Lower end movement, so that spring is compressed during indent block moves down, waits for indent to carry out indent to packing board It finishes, manual control driving motor makes lifter plate move up, and operation panel is packed since the elastic force of spring gos up to initial station Cardboard indent finishes, and manually takes out packing board.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent defines.

Claims (4)

1. a kind of packing board groove pressing device, including pedestal (1), it is characterised in that:Further include be welded in the pedestal (1) upper It holds the mounting base (2) in left side, be rotatably connected in along the mounting base (2) upper end of the mounting base (2) axially through screw thread Support column (3), the support member (4) being set on the right side of the upper end of the pedestal (1), sliding sleeve are set at the support column (3) And it is pressed in the operation panel (5) of the upper end of the support member (4), is rotatably connected in by screw thread the top of the support column (3) Lifting part (6) and the indent component (7) being set at the lifting part (6);
The lifting part (6) include top plate (62) at the top of lifting backup plate (61) of lifting backup plate (61), vertical welding, Vertical welding is in the shown bottom plate (63) for lifting backup plate (61) bottom and the driving motor being fixed at the top plate (62) (64), the lifting backup plate (61), top plate (62) and bottom plate (63) are in " Contraband " shape structure setting, the middle part of the top plate (62) Position offers a clamping dimple, and driving motor (64), the output shaft of the driving motor (64) are fixed at the clamping dimple End extends to the lower end of the top plate (62), and the both sides of the top plate (64) are equipped with the first guide hole, the bottom plate (63) Both sides are equipped with the 5th and are screwed on hole, and first guide hole is adapted with the described 5th hole that is screwed on, the bottom outer wall of guide rod (65) For thread-like structure, the bottom of guide rod (65) is screwed on the described 5th hole that is screwed on, and the top of guide rod (65) passes through the first guide hole simultaneously Extend to the upper end of the top plate (62);The intermediate position of the bottom plate (63) is equipped with the 5th circular through hole, the 5th circle It is plugged with bearing race in shape through-hole;The output shaft end of the driving motor (64) is connected with leading screw (66) by shaft coupling;Institute It further includes a lifter plate (67) to state lifting part (6), and position is equipped with the 6th and is screwed on hole among the left end of the lifter plate (67), Be screwed on the screw thread that is recessed with of hole inside spin in the described 6th, and the described 6th hole that is screwed on is adapted with the leading screw (66), the liter The left end front and rear sides of drop plate (67) are equipped with the 8th circular through hole, and the 8th circular through hole is mutually fitted with the guide rod (65) It answers, the driving motor (64) drives leading screw (66) to be rotated, and the leading screw (66) drives the lifter plate (67) to carry out Lower movement;It is also equipped with the 9th in the right end of the lifter plate (67) to be screwed on hole, be screwed on the recessed of hole inside spin in the described 9th There is screw thread;
The indent component (7) includes indent seat (71), it is described to be rotatably connected in axially through screw thread along the indent seat (71) Indent bar (72) at indent seat (71), be rotatably connected in by screw thread the indent bar (72) bottom indent holder (73) and It is rotatably connected in the indent block (74) at the indent holder (73) by screw thread;
The indent seat (71) is cylindrical structure, and the outer wall of the indent seat (71) is thread-like structure, the indent seat (71) with the described 9th be screwed on hole be adapted;The tenth is equipped in the inner along the axial direction of the indent seat (71) to be screwed on hole, institute It is thread-like structure to state the inner wall that the tenth is screwed on hole, and the indent bar (72) is round bar shape, and the outer wall of the indent bar (72) is Thread-like structure, the indent bar (72) with the described tenth be screwed on hole be adapted;The indent holder (73) is round bar shape, described The intermediate position of indent holder (73) is equipped with the first tapped through hole, and first tapped through hole is mutually fitted with the indent bar (72) It answers, several second tapped through holes is also equipped in the both sides of the indent holder (73);The indent block (74) is " convex " shape knot Structure, the top of the indent block (74) are extended with adapting rod to upper end, and the outer wall of the adapting rod is thread-like structure, described turn Extension bar is adapted with second tapped through hole.
2. a kind of packing board groove pressing device according to claim 1, it is characterised in that:The mounting base (2) is round platform Shape structure is equipped with first along the axial direction of the mounting base (2) and is screwed on hole in the inner, is screwed on hole internal thread in described first It is recessed with screw thread, the support column (3) is cylindrical-shaped structure, and the external wall of upper portion and lower part outer wall of the support column (3) are spiral shell Striated structure, the support column (3) with described first be screwed on hole be adapted.
3. a kind of packing board groove pressing device according to claim 1, it is characterised in that:The pedestal (1) is discoid Structure, recessed on the right side of the upper surface of the pedestal (1) there are two be clamped seat, the trapezoidal structure of the clamping seat;
The support member (4) includes support plate (41), be welded in shown support plate (41) lower surface clamping block (42), logical Cross screw thread be rotatably connected in the support plate (41) upper end supporting rod (43), be rotatably connected in by screw thread at the supporting rod (43) and The supporting lag (44) that is in contact with the support plate (41), be sheathed on the supporting rod (43) outside spring (45) and Sliding sleeve is set to the movable sleeve (46) at the top of the supporting rod (43);
The support plate (41) is square structure, and the clamping block (42) is two, and the longitudinal section of the clamping block (42) is ladder Shape structure, the clamping block (42) are adapted with the clamping seat;Position is equipped among the surface of the support plate (41) Second is screwed on hole, the screw thread that is recessed with for the hole internal thread that is screwed in described second, and the lower part outer wall of the supporting rod (43) is screw thread Shape structure, shown supporting rod (43) with described second be screwed on hole be adapted;The supporting lag (44) be it is columnar structured, it is described The inner wall of supporting lag (44) is thread-like structure, and shown supporting rod (43) and the inner wall of shown supporting lag (44) are adapted; One end of the spring (45) is in contact with the supporting lag (44);The movable sleeve (46) is cylinder-like structure, the work Dynamic set (46) is adapted with shown supporting rod (43).
4. a kind of packing board groove pressing device according to claim 4, it is characterised in that:The operation panel (5) is rectangular Structure, is equipped with the first circular through hole on the left of the operation panel (5), and the left side lower end of the operation panel (5) is also bonded with Sliding shoe, the sliding shoe are round-like structure, and the second circular through hole, institute are equipped in the inner along the axial direction of the sliding shoe Support column (3) is stated to be adapted with first circular through hole and the second circular through hole;The right side lower surface of the operation panel (5) is also It is recessed with a circular groove, the movable sleeve (46) is adapted with the circular groove.
CN201810358499.1A 2018-04-20 2018-04-20 A kind of packing board groove pressing device Withdrawn CN108407392A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810358499.1A CN108407392A (en) 2018-04-20 2018-04-20 A kind of packing board groove pressing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810358499.1A CN108407392A (en) 2018-04-20 2018-04-20 A kind of packing board groove pressing device

Publications (1)

Publication Number Publication Date
CN108407392A true CN108407392A (en) 2018-08-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810358499.1A Withdrawn CN108407392A (en) 2018-04-20 2018-04-20 A kind of packing board groove pressing device

Country Status (1)

Country Link
CN (1) CN108407392A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204658524U (en) * 2015-05-28 2015-09-23 嘉善大华纸品印刷厂 A kind of cardboard groove pressing device
CN104999710A (en) * 2015-08-06 2015-10-28 天津通安变压器有限公司 Novel transformer insulation plate bending device
CN205185400U (en) * 2015-10-30 2016-04-27 程龙楷 Explosion -proof paper softening installation of line ball shaping
CN206794821U (en) * 2017-04-24 2017-12-26 贵州理工学院 A kind of rectangle plate Drilling operation equipment
CN107538080A (en) * 2017-09-14 2018-01-05 嘉善惠龙金属制品有限公司 A kind of surface of metal product grooving apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204658524U (en) * 2015-05-28 2015-09-23 嘉善大华纸品印刷厂 A kind of cardboard groove pressing device
CN104999710A (en) * 2015-08-06 2015-10-28 天津通安变压器有限公司 Novel transformer insulation plate bending device
CN205185400U (en) * 2015-10-30 2016-04-27 程龙楷 Explosion -proof paper softening installation of line ball shaping
CN206794821U (en) * 2017-04-24 2017-12-26 贵州理工学院 A kind of rectangle plate Drilling operation equipment
CN107538080A (en) * 2017-09-14 2018-01-05 嘉善惠龙金属制品有限公司 A kind of surface of metal product grooving apparatus

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Application publication date: 20180817