CN109047533A - A kind of Pipe necking machine tubing positioning device - Google Patents
A kind of Pipe necking machine tubing positioning device Download PDFInfo
- Publication number
- CN109047533A CN109047533A CN201811174064.8A CN201811174064A CN109047533A CN 109047533 A CN109047533 A CN 109047533A CN 201811174064 A CN201811174064 A CN 201811174064A CN 109047533 A CN109047533 A CN 109047533A
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- China
- Prior art keywords
- away
- workbench
- servo motor
- fixedly connected
- necking machine
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of Pipe necking machine tubing positioning devices, including workbench and mobile clamping device, workbench upper end two sides are fixedly connected to vertical columns, vertical columns two sides are respectively connected with metal right angle limit plate, one end on metal right angle limit plate close to workbench is connected with No. two high-intensitive hex bolts, one end that metal right angle limit plate is away from No. two high-intensitive hex bolts is connected with No.1 high intensity hex bolts, mobile clamping device is equipped with by sliding on square two sides on the table, the tubing of some minor diameters can be positioned, if the radius of tubing is greater than when being fixedly connected with riser diameter, it then needs to open cylinder, extruding limiting displacement is carried out to tubing upper surface two sides by Telescopic-cylinder bar, so as to meet different-diameter size tubing in the location requirement of necking machine operation, structure of the invention letter It is single practical, it is easy to operate, it is greatly improved the service efficiency of the Pipe necking machine tubing positioning device.
Description
Technical field:
The invention belongs to necking machine equipment technical field, in particular to a kind of Pipe necking machine tubing positioning device.
Background technique:
In current building construction process, tubing occupies a large amount of and important roles, while applying some tubing are special
In work, need to tubing carry out necking, this with regard to necking machine to be used, and now Pipe necking machine be unable to satisfy some large sizes
Tubing necking positioning, since the positioning to tubing is inadequate, can not be completed to tubing necking work, therefore delay construction
Duration.
Summary of the invention:
The object of the invention is that providing a kind of Pipe necking machine tubing positioning device to solve the above-mentioned problems, solve
It has determined current existing problem.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions:
A kind of Pipe necking machine tubing positioning device, including workbench and mobile clamping device, the workbench upper end two
Side is fixedly connected to vertical columns, and the vertical columns two sides are respectively connected with metal right angle limit plate, the metal right angle limit
No. two high-intensitive hex bolts are connected with close to one end of workbench on the plate of position, metal right angle limit plate is away from No. two height
One end of intensity hex bolts is connected with No.1 high intensity hex bolts, and metal right angle limit plate passes through No.1 high intensity six
Corner bolt is fixedly connected with vertical columns, and metal right angle limit plate is fixed by No. two high-intensitive hex bolts with workbench
Connection, metal right angle limit plate pass through No.1 high intensity hex bolts and No. two high-intensitive hex bolts and work respectively
Platform is fixedly connected with vertical columns, and servo motor case, the servo motor case and manipulator folder are equipped with above the vertical columns
Hold mechanism caging bolt set, it is characterised in that: side is equipped with servo motor, the servo motor lower end in the servo motor case
It is connected with motor output shaft, one end that the motor output shaft is away from servo motor is connected with No.1 gear, the No.1 tooth
It takes turns side and is equipped with No. two gears in servo motor case, one end that No. two gears are away from servo motor is connected with No.1
Shaft.
Preferably, servo motor case lower end is connected with No.1 baffle, the No.1 baffle is away from servo motor
The side of case is connected with No.1 linear guides, and one end that the No.1 linear guides are away from No.1 baffle is connected with No. two gears
Piece, the No.1 baffle are connected by No.1 linear guides with No. two baffles, close to servo electricity on the No.1 linear guides
The side of cabinet is connected with No.1 limit card board, and the No.1 linear guides are connected with No. two limits on the side of No. two baffles
Position snap-gauge, No.1 linear slide block is connected on the No.1 linear guides, and the side of the No.1 linear guides is equipped with screw rod, institute
The one end for stating screw rod is connected with shaft coupling, and one end that the shaft coupling is away from screw rod is connected with No.1 baffle, the No.1
Shaft passes through No.1 baffle and is connected with shaft coupling, and the No.1 shaft is connected by shaft coupling with screw rod, and the screw rod is remote
It is connected with No.1 bearing from one end in shaft coupling, one end that the No.1 bearing is away from screw rod is connected with No. two baffles,
The shaft coupling is connected by screw rod with No.1 bearing, and adjusting nut is arranged on the screw rod, and the adjusting nut is close
The side of No.1 linear slide block is connected with No.1 connecting rod, and the No.1 connecting rod is away from side and the No.1 line of adjusting nut
Property sliding block is connected, and the adjusting nut is connected by No.1 connecting rod with No.1 linear slide block, and the adjusting nut is separate
No. two connecting rods are connected in one end of No.1 connecting rod, one end that No. two connecting rods are away from adjusting nut is stated and is connected with gas
Cylinder.
Preferably, the cylinder is connected with Telescopic-cylinder bar close to one end of workbench, the Telescopic-cylinder bar is separate
Be connected with anti-slip rubber column cap in one end of cylinder, the vertical columns are fixedly connected with No. two baffles, the vertical columns it
Between and two sides are equipped with No. two linear guides on the table, No. two linear guides are equipped with mobile clamping device, the shifting
Dynamic clamping device bottom is equipped with No. two linear slide blocks, is connected with No. two caging bolts on No. two linear slide blocks, and described No. two
Linear guides are connected with No. two linear slide blocks, and top one end that No. two linear slide blocks are away from workbench is connected with vertically
It is fixedly connected with riser, described be fixedly connected in riser is inserted with caging bolt set, and the caging bolt set is intermediate to be inserted with No.1
Caging bolt, No.1 caging bolt one end are connected with rotating handle, the No.1 caging bolt close to one end of vertical columns
It is away from the side of rotating handle and is arranged with metal spacing nut, between the metal spacing nut and caging bolt set and one
Metal gasket is arranged on number caging bolt, the metal spacing nut is away from the side of metal gasket and limits spiral shell in No.1
Several rubber antiskid protrusions are uniformly connected on one end of bolt.
Preferably, the adjusting nut is fixedly connected with No.1 connecting rod and No. two connecting rods.
Preferably, the No.1 gear and No. two gear engagement connections.
Preferably, the riser that is fixedly connected is slidably connected by No. two linear slide blocks and No. two linear guides.
It is made preferably, the anti-slip rubber column cap and rubber antiskid protrusion are all made of high wear-resistant rubber material.
Preferably, it is described be fixedly connected riser with workbench is vertical is fixedly connected.
Beneficial effects of the present invention: a kind of Pipe necking machine tubing positioning device of the present invention passes through side two on the table
Sliding is equipped with mobile clamping device on side, can position to the tubing of some minor diameters, if the radius of tubing is greater than fixed connect
It when connecing riser diameter, then needs to open cylinder, extruding agretope is carried out to tubing upper surface two sides by Telescopic-cylinder bar
It moves, so as to meet different-diameter size tubing in the location requirement of necking machine operation, the configuration of the present invention is simple is practical,
It is easy to operate, it is greatly improved the service efficiency of the Pipe necking machine tubing positioning device.
Detailed description of the invention:
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is enlarged structure schematic diagram at A of the invention；
Fig. 3 is mobile clamping device structural schematic diagram of the invention.
In figure: 1, servo motor case；2, servo motor；3, motor output shaft；4, No.1 gear；5, No. two gears；6, turn
Axis；7, No.1 baffle；8, No.1 limit card board；9, No.1 linear guides；10, No. two limit card boards；11, No. two baffles；12, join
Axis device；13, screw rod；14, bearing；15, adjusting nut；16, No.1 connecting rod；17, No.1 linear slide block；18, No. two connecting rods；
19, workbench；20, cylinder；21, Telescopic-cylinder bar；22, anti-slip rubber column cap；23, metal right angle limit plate；24, No.1 is high-strength
Spend hex bolts；25, No. two high-intensitive hex bolts；26, No. two linear guides；27, mobile clamping device；28, No. two it is linear
Sliding block；29, it is fixedly connected with riser；30, rotating handle；31, caging bolt set；32, No.1 caging bolt；33, metal gasket；34,
Metal spacing nut；35, rubber antiskid protrusion；36, vertical columns；37, No. two caging bolts.
Specific embodiment:
As shown in Figure 1-3, present embodiment uses following technical scheme: including workbench 19 and mobile clamping device
27, the 19 upper end two sides of workbench are fixedly connected to vertical columns 36, and 36 two sides of vertical columns are respectively connected with metal
Right angle limit plate 23, one end on metal right angle limit plate 23 close to workbench 19 are connected with No. two high-intensitive hex bolts
25, one end that metal right angle limit plate 23 is away from No. two high-intensitive hex bolts 25 is connected with No.1 high intensity hexagonal spiral shell
Bolt 24, metal right angle limit plate 23 are fixedly connected by No.1 high intensity hex bolts 24 with vertical columns 36, the gold
Belong to right angle limit plate 23 to be fixedly connected by No. two high-intensitive hex bolts 25 with workbench 19, metal right angle limit plate 23
It is solid by No.1 high intensity hex bolts 24 and No. two high-intensitive hex bolts 25 and workbench 19 and vertical columns 36 respectively
It is fixed to connect, servo motor case 1, the servo motor case 1 and the limit of manipulator clamping mechanism are equipped with above the vertical columns 36
Bolt sleeve 31, it is characterised in that: side is equipped with servo motor 2,2 lower end of the servo motor connection in the servo motor case 1
There is motor output shaft 3, one end that the motor output shaft 3 is away from servo motor 2 is connected with No.1 gear 4, the No.1 tooth
It takes turns 4 sides and is equipped with No. two gears 5 in servo motor case 1, No. two gears 5 are away from one end connection of servo motor 2
There is No.1 shaft 6.
Wherein, 1 lower end of servo motor case is connected with No.1 baffle 7, and the No.1 baffle 7 is away from servo motor case
1 side is connected with No.1 linear guides 9, and one end that the No.1 linear guides 9 are away from No.1 baffle 7 is connected with No. two gears
Piece 11, the No.1 baffle 7 is connected by No.1 linear guides 9 with No. two baffles 11, close on the No.1 linear guides 9
The side of servo motor case 1 is connected with No.1 limit card board 8, and the No.1 linear guides 9 are on the side of No. two baffles 11
No. two limit card boards 10 are connected with, No.1 linear slide block 17, the No.1 linear guides are connected on the No.1 linear guides 9
9 side is equipped with screw rod 13, and one end of the screw rod 13 is connected with shaft coupling 12, and the shaft coupling 12 is away from the one of screw rod 13
End is connected with No.1 baffle 7, and the No.1 shaft 6 passes through No.1 baffle 7 and is connected with shaft coupling 12, the No.1 shaft 6
It is connected by shaft coupling 12 with screw rod 13, one end that the screw rod 13 is away from shaft coupling 12 is connected with No.1 bearing 14, institute
It states No.1 bearing 14 and is away from one end of screw rod 13 and be connected with No. two baffles 11, the shaft coupling 12 passes through screw rod 13 and No.1
Bearing 14 is connected, and adjusting nut 15 is arranged on the screw rod 13, the adjusting nut 15 is close to No.1 linear slide block 17
Side is connected with No.1 connecting rod 16, and the No.1 connecting rod 16 is away from side and the No.1 linear slide block 17 of adjusting nut 15
It is connected, the adjusting nut 15 is connected by No.1 connecting rod 16 with No.1 linear slide block 17, and the adjusting nut 15 is remote
No. two connecting rods 18 are connected with from one end of No.1 connecting rod 16, state one end that No. two connecting rods 18 are away from adjusting nut 15
It is connected with cylinder 20.
Wherein, the cylinder 20 is connected with Telescopic-cylinder bar 21, the Telescopic-cylinder bar 21 close to one end of workbench 19
The one end for being away from cylinder 20 is connected with anti-slip rubber column cap 22, and the vertical columns 36 are fixedly connected with No. two baffles 11, institute
It states between vertical columns 36 and two sides is equipped with No. two linear guides 26 on workbench 19, No. two linear guides 26 are equipped with
Mobile clamping device 27, mobile 27 bottom of clamping device are equipped with No. two linear slide blocks 28, on No. two linear slide blocks 28
No. two caging bolts 37 are connected with, No. two linear guides 26 are connected with No. two linear slide blocks 28, and described No. two linear sliding
Top one end that block 28 is away from workbench 19 is connected with vertically is fixedly connected with riser 29, and described be fixedly connected in riser 29 plugs
There is limit bolt sleeve 31, is inserted with No.1 caging bolt 32, the No.1 caging bolt 32 1 among the caging bolt set 31
One end close to vertical columns 36 is held to be connected with rotating handle 30, the No.1 caging bolt 32 is away from the side of rotating handle 30
It is arranged with metal spacing nut 34, between the metal spacing nut 34 and caging bolt set 31 and on No.1 caging bolt 32
It is arranged with metal gasket 33, the metal spacing nut 34 is away from the side of metal gasket 33 and in No.1 caging bolt 32
Several rubber antiskid protrusions 35 are uniformly connected on one end.
Wherein, the adjusting nut 15 is fixedly connected with No.1 connecting rod 16 and No. two connecting rods 18.
Wherein, the No.1 gear 4 and No. two engagement connections of gear 5.
Wherein, the riser 29 that is fixedly connected is slidably connected by No. two linear slide blocks 28 with No. two linear guides 26.
Wherein, the anti-slip rubber column cap 22 and rubber antiskid protrusion 35 are all made of high wear-resistant rubber material and are made.
Wherein, it is described be fixedly connected riser 29 with workbench 19 is vertical is fixedly connected.
It is specific: the present invention when in use, if some radiuses, which are less than, is fixedly connected with the tubing of 29 diameter of riser, then
The tubing is placed on right above workbench 19, by mobile No. two linear slide blocks 28, rotates No. two caging bolts 37 to No. two
Linear slide block 28 is positioned, and is rotated rotating handle 30 for the rubber antiskid protrusion 35 at 32 both ends of No.1 caging bolt and is resisted tubing two
Side, rotation metal spacing nut 34 fix No.1 caging bolt 32, if the radius of tubing, which is greater than, is fixedly connected with riser 29 directly
It when diameter, then needs to open servo motor 2, cylinder 20 is moved down into suitable distance, cylinder 20 is opened, passes through Telescopic-cylinder bar 21
Extruding limiting displacement is carried out to large pipe upper surface two sides, is worked so as to meet different-diameter size tubing in necking machine
When location requirement, the configuration of the present invention is simple is practical, easy to operate, is greatly improved the Pipe necking machine tubing positioning device
Service efficiency.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, 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, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the 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 thereof.
Claims (8)
1. a kind of Pipe necking machine tubing positioning device, including workbench (19) and movement clamping device (27), it is characterised in that:
Workbench (19) the upper end two sides are fixedly connected to vertical columns (36), and vertical columns (36) two sides are respectively connected with gold
Belong to right angle limit plate (23), one end on metal right angle limit plate (23) close to workbench (19) is connected with No. two high intensity
Hex bolts (25), one end that metal right angle limit plate (23) is away from No. two high-intensitive hex bolts (25) are connected with one
Number high-intensitive hex bolts (24), metal right angle limit plate (23) pass through No.1 high intensity hex bolts (24) and fixed vertical
Column (36) is fixedly connected, and metal right angle limit plate (23) is solid by No. two high-intensitive hex bolts (25) and workbench (19)
Fixed connection, metal right angle limit plate (23) pass through No.1 high intensity hex bolts (24) and No. two high-intensitive hexagonals respectively
Bolt (25) is fixedly connected with workbench (19) and vertical columns (36), and servo motor case is equipped with above the vertical columns (36)
(1), the servo motor case (1) and manipulator clamping mechanism caging bolt set (31), it is characterised in that: the servo motor case
(1) interior side is equipped with servo motor (2), and servo motor (2) lower end is connected with motor output shaft (3), the motor output
One end that axis (3) is away from servo motor (2) is connected with No.1 gear (4), No.1 gear (4) side and in servo motor
No. two gears (5) are equipped in case (1), one end that No. two gears (5) are away from servo motor (2) is connected with No.1 shaft
(6)。
2. a kind of Pipe necking machine tubing positioning device according to claim 1, it is characterised in that: the servo motor case
(1) lower end is connected with No.1 baffle (7), and the side that the No.1 baffle (7) is away from servo motor case (1) is connected with No.1 line
Property guide rail (9), one end that the No.1 linear guides (9) are away from No.1 baffle (7) are connected with No. two baffles (11), and described one
Number baffle (7) is connected by No.1 linear guides (9) with No. two baffles (11), close on the No.1 linear guides (9) to watch
The side for taking motor housing (1) is connected with No.1 limit card board (8), close No. two baffles (11) of the No.1 linear guides (9)
It is connected with No. two limit card boards (10) on side, is connected with No.1 linear slide block (17) on the No.1 linear guides (9), it is described
The side of No.1 linear guides (9) is equipped with screw rod (13), and one end of the screw rod (13) is connected with shaft coupling (12), the shaft coupling
One end that device (12) is away from screw rod (13) is connected with No.1 baffle (7), and the No.1 shaft (6) passes through No.1 baffle (7)
It is connected with shaft coupling (12), the No.1 shaft (6) is connected by shaft coupling (12) with screw rod (13), the screw rod (13)
The one end for being away from shaft coupling (12) is connected with No.1 bearing (14), and the No.1 bearing (14) is away from one end of screw rod (13)
It is connected with No. two baffles (11), the shaft coupling (12) is connected by screw rod (13) with No.1 bearing (14), the screw rod
(13) it is arranged on adjusting nut (15), the adjusting nut (15) is connected with No.1 close to the side of No.1 linear slide block (17)
Connecting rod (16), the side that the No.1 connecting rod (16) is away from adjusting nut (15) are connected with No.1 linear slide block (17)
It connects, the adjusting nut (15) is connected by No.1 connecting rod (16) with No.1 linear slide block (17), the adjusting nut
(15) one end for being away from No.1 connecting rod (16) is connected with No. two connecting rods (18), states No. two connecting rods (18) and is away from adjusting
One end of nut (15) is connected with cylinder (20).
3. a kind of Pipe necking machine tubing positioning device according to claim 2, it is characterised in that: the cylinder (20) is leaned on
One end of nearly workbench (19) is connected with Telescopic-cylinder bar (21), and the Telescopic-cylinder bar (21) is away from one end of cylinder (20)
It is connected with anti-slip rubber column cap (22), the vertical columns (36) are fixedly connected with No. two baffles (11), the vertical columns
(36) two sides are equipped with No. two linear guides (26) between and on workbench (19), and No. two linear guides (26), which are equipped with, moves
Dynamic clamping device (27), mobile clamping device (27) bottom are equipped with No. two linear slide blocks (28), No. two linear slide blocks
(28) No. two caging bolts (37) are connected on, No. two linear guides (26) are connected with No. two linear slide blocks (28), institute
It states top one end that No. two linear slide blocks (28) are away from workbench (19) and is connected with vertically and be fixedly connected riser (29), it is described solid
Surely it connects and is inserted with caging bolt set (31) in riser (29), be inserted with No.1 caging bolt among the caging bolt set (31)
(32), described No.1 caging bolt (32) one end is connected with rotating handle (30), the No.1 close to one end of vertical columns (36)
Caging bolt (32), which is away from the side of rotating handle (30), is arranged with metal spacing nut (34), the metal spacing nut
(34) metal gasket (33), the metal spacing are arranged between caging bolt set (31) and on No.1 caging bolt (32)
Nut (34) is away from the side of metal gasket (33) and is uniformly connected with several rubbers on one end of No.1 caging bolt (32)
Glue anti-skid bulge (35).
4. a kind of Pipe necking machine tubing positioning device according to claim 2, it is characterised in that: the adjusting nut
(15) it is fixedly connected with No.1 connecting rod (16) and No. two connecting rods (18).
5. a kind of Pipe necking machine tubing positioning device according to claim 1, it is characterised in that: the No.1 gear
(4) it is connected with No. two gear (5) engagements.
6. a kind of Pipe necking machine tubing positioning device according to claim 3, it is characterised in that: it is described be fixedly connected it is perpendicular
Plate (29) is slidably connected by No. two linear slide blocks (28) with No. two linear guides (26).
7. a kind of Pipe necking machine tubing positioning device according to claim 3, it is characterised in that: the anti-slip rubber column
Head (22) and rubber antiskid raised (35) are all made of high wear-resistant rubber material and are made.
8. a kind of Pipe necking machine tubing positioning device according to claim 3, it is characterised in that: it is described be fixedly connected it is perpendicular
Plate (29) with workbench (19) is vertical is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174064.8A CN109047533A (en) | 2018-10-09 | 2018-10-09 | A kind of Pipe necking machine tubing positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174064.8A CN109047533A (en) | 2018-10-09 | 2018-10-09 | A kind of Pipe necking machine tubing positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109047533A true CN109047533A (en) | 2018-12-21 |
Family
ID=64764515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811174064.8A Pending CN109047533A (en) | 2018-10-09 | 2018-10-09 | A kind of Pipe necking machine tubing positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109047533A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586752A (en) * | 2019-07-27 | 2019-12-20 | 黄明珠 | Metal shaft tube machining device |
| CN112808872A (en) * | 2021-01-04 | 2021-05-18 | 岳西县东诚旅游用品有限公司 | Bag bone blank pressing device for bag production |
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| CN110586752B (en) * | 2019-07-27 | 2020-09-18 | 江苏润森管业有限公司 | Metal shaft tube machining device |
| CN112808872A (en) * | 2021-01-04 | 2021-05-18 | 岳西县东诚旅游用品有限公司 | Bag bone blank pressing device for bag production |
| CN112808872B (en) * | 2021-01-04 | 2024-04-30 | 岳西县东诚旅游用品有限公司 | Bone wrapping and edge pressing device for luggage production |
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Application publication date: 20181221 |
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