CN112515295A - Automatic leather cutting device for manufacturing security shoes - Google Patents
Automatic leather cutting device for manufacturing security shoes Download PDFInfo
- Publication number
- CN112515295A CN112515295A CN202011408561.7A CN202011408561A CN112515295A CN 112515295 A CN112515295 A CN 112515295A CN 202011408561 A CN202011408561 A CN 202011408561A CN 112515295 A CN112515295 A CN 112515295A
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- China
- Prior art keywords
- fixed
- vertical
- plate
- top surface
- cutting device
- 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.)
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- 238000005520 cutting process Methods 0.000 title claims abstract description 37
- 239000010985 leather Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims description 25
- 238000005452 bending Methods 0.000 claims description 15
- 238000005253 cladding Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 abstract description 14
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 101100495256 Caenorhabditis elegans mat-3 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D8/00—Machines for cutting, ornamenting, marking or otherwise working up shoe part blanks
- A43D8/02—Cutting-out
- A43D8/04—Stamping-out
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D119/00—Driving or controlling mechanisms of shoe machines; Frames for shoe machines
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D8/00—Machines for cutting, ornamenting, marking or otherwise working up shoe part blanks
- A43D8/02—Cutting-out
- A43D8/04—Stamping-out
- A43D8/06—Dies therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses an automatic leather cutting device for manufacturing security shoes, which comprises two moving mechanisms extending forwards and backwards, wherein vertical lifting mechanisms are fixed on the top surfaces of moving blocks of the moving mechanisms, and vertical supporting plates are fixed on the tops of lifting blocks of the two vertical lifting mechanisms; a transverse moving screw is arranged between the tops of the two vertical supporting plates, two ends of the transverse moving screw are hinged to the two vertical supporting plates through bearings, a moving motor is fixed on the outer side wall of the top of one vertical supporting plate and drives the transverse moving screw to rotate, a main connecting block is screwed on the transverse moving screw, and a blanking head is fixed on the bottom surface of the main connecting block; it is direct to install blank mould frame in the below of fixed mounting panel, can directly carry out the punching press unloading, and it can the automatically move towards the stub bar in addition, and its cutting position is accurate, greatly reduced hand labor volume.
Description
The technical field is as follows:
the invention relates to the technical field of security shoe manufacturing equipment, in particular to an automatic leather cutting device for security shoe manufacturing.
Background art:
during current security protection shoes are made, it need cut out corresponding processing leather piece according to the design needs in with whole leather material, current mode is artifical with cutting die frame press the corresponding position of leather material, then, artifical pulling punching press mechanism carries out the punching press, its effect is poor, and is inefficient, wherein, it needs artifical pulling punching press mechanism, its hand labor volume is big, simultaneously, its cutting die frame is the separation with punching press mechanism, easily with cutting die frame touching and skew when the manual work removes punching press mechanism, influence blank effect and position accuracy.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provides an automatic leather cutting device for manufacturing safety shoes.
The technical solution of the invention is as follows:
an automatic leather cutting device for manufacturing security shoes comprises two moving mechanisms extending forwards and backwards, wherein vertical lifting mechanisms are fixed on the top surfaces of moving blocks of the moving mechanisms, and vertical supporting plates are fixed on the tops of lifting blocks of the two vertical lifting mechanisms;
a transverse moving screw is arranged between the tops of the two vertical supporting plates, two ends of the transverse moving screw are hinged to the two vertical supporting plates through bearings, a moving motor is fixed on the outer side wall of the top of one vertical supporting plate and drives the transverse moving screw to rotate, a main connecting block is screwed on the transverse moving screw, and a blanking head is fixed on the bottom surface of the main connecting block;
the stamping head comprises a fixed mounting plate, an upper support frame is fixed on the top surface of the middle part of the fixed mounting plate, a stamping oil cylinder is fixed on the top surface of the middle part of a top plate of the upper support frame, a push rod of the stamping oil cylinder penetrates through the top surface of the top plate of the upper support frame and is fixed with a connecting plate, a pressing plate is fixed on the bottom surface of the connecting plate, and the pressing plate is inserted and sleeved in a middle through groove formed in the middle part of the fixed mounting plate; and a cutting die frame is arranged on the bottom surface of the fixed mounting plate, and the pressing plate faces the cutting die frame.
The left side and the right side of the bottom surface of the fixed mounting plate are fixedly provided with side plates, and the inner side walls of the bottoms of the two side plates are formed with horizontal extension parts;
a guide post is fixed in the middle of the top surface of the horizontal extending part, extending bending parts are formed on the top surfaces of the left side and the right side of the blanking die frame, and the guide post is inserted in a central through hole of the horizontal bending part of the extending bending parts;
the top of the guide column is in threaded connection with a limiting bolt, the head of the limiting bolt is pressed against the top surface of the horizontal bending part, a return spring is inserted in the guide column, the bottom end of the return spring exerts force on the top surface of the horizontal extending part, and the return spring exerts force on the bottom surface of the horizontal bending part;
the pressing plate faces to the middle of the blanking die frame.
The guide post is inserted and sleeved with a gasket, the top end of the return spring is pressed against the bottom surface of the gasket, and the gasket is pressed against the bottom surface of the horizontal extension part.
An elastic anti-slip pad is fixed on the bottom surface of the horizontal extension part.
The top surfaces of the two vertical supporting plates are fixed on the bottom surface of the same transverse beam, a transverse guide strip is fixed in the middle of the bottom surface of the transverse beam, a guide sliding block is fixed on the top surface of the main connecting block, and the transverse guide strip is inserted in a transverse sliding groove formed in the middle of the top surface of the guide sliding block.
The bottom surface of the pressing plate is fixed with an elastic block, and the bottom surface of the elastic block is fixed with a horizontal pressing plate.
Vertical guide rods are fixed to the left part and the right part of the top surface of the compression plate and are inserted into guide through holes formed in a top plate of the upper support frame;
the vertical guide rod is inserted and sleeved with a buffer spring, the bottom end of the buffer spring is stressed on the top surface of the pressing plate, and the top end of the buffer spring is stressed on the bottom surface of the top plate of the upper support frame.
The vertical lifting mechanism comprises a vertical plate, connecting plates are fixed on the top surface and the bottom surface of the vertical plate, two ends of a vertical screw rod are hinged to the two connecting plates through bearings, a lifting motor is fixed on the top surface of the connecting plate above the vertical screw rod, the lifting motor drives the vertical screw rod to rotate, a lifting block is in threaded connection with the vertical screw rod, a lower fixing plate is fixed on the bottom surface of the connecting plate below the vertical screw rod, and the lower fixing plate is fixed on the top surface of a moving block.
The left side and the right side of the fixed mounting plate are fixedly provided with main connecting plates, and the main connecting blocks are fixed between the upper parts of the two main connecting plates.
Vertical guide strips are fixed on the inner side walls of the vertical plates, side sliding blocks are fixed on the side walls of the lifting blocks, and the vertical guide strips are inserted in side guide grooves formed in the side walls of the side sliding blocks.
The invention has the beneficial effects that:
it is direct to install blank mould frame in the below of fixed mounting panel, can directly carry out the punching press unloading, and it can the automatically move towards the stub bar in addition, and its cutting position is accurate, and is effectual, greatly reduced hand labor volume.
Description of the drawings:
FIG. 1 is a partial cross-sectional view of the present invention;
FIG. 2 is a schematic view of a partial structure of the blanking head;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a partial plan view of the moving mechanism.
The specific implementation mode is as follows:
example (b): as shown in fig. 1 to 4, an automatic leather cutting device for manufacturing security shoes comprises two moving mechanisms 40 extending back and forth, wherein a vertical lifting mechanism 50 is fixed on the top surface of a moving block 41 of each moving mechanism 40, and vertical support plates 52 are fixed on the tops of lifting blocks 51 of the two vertical lifting mechanisms 50;
a transverse moving screw 53 is arranged between the tops of the two vertical support plates 52, two ends of the transverse moving screw 53 are hinged to the two vertical support plates 52 through bearings, a moving motor 54 is fixed on the outer side wall of the top of one vertical support plate 52, the moving motor 54 drives the transverse moving screw 53 to rotate, the main connecting block 26 is in threaded connection with the transverse moving screw 53, and a punching head 200 is fixed on the bottom surface of the main connecting block 26;
the punching head 200 comprises a fixed mounting plate 10, an upper support frame 20 is fixed on the top surface of the middle part of the fixed mounting plate 10, a punching oil cylinder 21 is fixed on the top surface of the middle part of the top plate of the upper support frame 20, a push rod of the punching oil cylinder 21 penetrates through the top surface of the top plate of the upper support frame 20 and is fixed with a connecting plate 22, a pressing plate 23 is fixed on the bottom surface of the connecting plate 22, and the pressing plate 23 is inserted and sleeved in a middle through groove 11 formed in the middle part of the fixed mounting plate 10; the bottom surface of the fixed mounting plate is provided with a cutting die frame 100, and the pressing plate 23 faces the cutting die frame 100.
Further, side plates 12 are fixed on the left side and the right side of the bottom surface of the fixed mounting plate 10, and horizontal extension parts 13 are formed on the inner side walls of the bottoms of the two side plates 12;
a guide post 14 is fixed in the middle of the top surface of the horizontal extension part 13, extension bending parts 101 are formed on the top surfaces of the left side and the right side of the blanking die frame 100, and the guide post 14 is inserted and sleeved in a central through hole 103 of a horizontal bending part 102 of the extension bending part 101;
the top of the guide post 14 is screwed with a limit bolt 15, the head of the limit bolt 15 is pressed against the top surface of the horizontal bending part 101, a return spring 1 is sleeved in the guide post 14, the bottom end of the return spring 1 exerts force on the top surface of the horizontal extension part 13, and the return spring 1 exerts force on the bottom surface of the horizontal bending part 102;
the pressing plate 23 faces the middle of the blanking die holder 100.
Further, a washer 2 is inserted into the guide post 14, the top end of the return spring 1 is pressed against the bottom surface of the washer 2, and the washer 2 is pressed against the bottom surface of the horizontally extending portion 13.
Furthermore, the bottom surface of the horizontal extension portion 13 is fixed with an elastic non-slip mat 3.
Further, the top surfaces of the two vertical support plates 52 are fixed on the bottom surface of the same transverse beam 55, a transverse guide bar 56 is fixed in the middle of the bottom surface of the transverse beam 55, a guide slide block 261 is fixed on the top surface of the main connecting block 26, and the transverse guide bar 56 is inserted into a transverse sliding groove formed in the middle of the top surface of the guide slide block 261.
Furthermore, an elastic block 24 is fixed on the bottom surface of the pressing plate 23, and a horizontal pressing plate 25 is fixed on the bottom surface of the elastic block 24.
Further, vertical guide rods 231 are fixed to the left and right portions of the top surface of the pressing plate 23, and the vertical guide rods 231 are inserted into guide through holes formed in the top plate of the upper support frame 20;
the vertical guide rod 231 is inserted and sleeved with a buffer spring 232, the bottom end of the buffer spring 232 is forced on the top surface of the pressing plate 23, and the top end of the buffer spring 232 is forced on the bottom surface of the top plate of the upper support frame 20.
Further, the vertical lifting mechanism 50 includes a vertical plate 57, connecting plates 58 are fixed on the top surface and the bottom surface of the vertical plate 57, two ends of a vertical screw 59 are hinged to the two connecting plates 58 through bearings, a lifting motor 581 is fixed on the top surface of the upper connecting plate 58, an output shaft of the lifting motor 581 is a spline shaft, the spline shaft is inserted in a spline hole formed in the top end of the vertical screw 59, the lifting motor 581 drives the vertical screw 59 to rotate, a lifting block 51 is screwed on the vertical screw 59, a lower fixing plate 582 is fixed on the bottom surface of the lower connecting plate 58, and the lower fixing plate 582 is fixed on the top surface of the moving block 41.
Further, main connection plates 26 are fixed to left and right sides of the fixed mounting plate 10, and a main connection block 27 is fixed between upper portions of the two main connection plates 26.
Further, a vertical guide bar 4 is fixed on the inner side wall of the vertical plate 57, a side slider 511 is fixed on the side wall of the lifting block 51, and the vertical guide bar 4 is inserted into a side guide groove formed on the side wall of the side slider 511.
A protective cover 30 is fixed on the top surface of the top plate of the upper support frame 20, and the punching oil cylinder 21 is positioned in the protective cover 30.
The moving mechanism 40 comprises a main bottom plate 42, main vertical fixing plates 43 are fixed on the front portion and the rear portion of the top surface of the main bottom plate 42, two ends of a moving screw 44 extending forwards and backwards are hinged to the two main vertical fixing plates 43 through bearings, a moving adjusting motor 45 is fixed on the rear wall surface of the rear main vertical fixing plate 43, an output shaft of the moving adjusting motor 45 is a spline shaft, the spline shaft is inserted in a spline hole formed in one end of the moving screw 44, a moving block 41 is screwed on the moving screw 44, a lower horizontal moving block 46 is fixed on the bottom surface of the moving block 41, an upper guide strip 47 is fixed on the top surface of the main bottom plate 42, and the upper guide strip 47 is inserted in a groove formed in the bottom surface of the lower horizontal moving block 46.
In this embodiment, when it is using, it can realize towards the back-and-forth movement of stub bar 200 through moving the operation of adjusting motor 45, and through moving motor 54 operation, can realize towards stub bar 200 and remove about for it removes to the cladding top that needs the blank, then, through elevator motor 581 operation, can realize towards stub bar 200 and descend, makes elasticity slipmat 3 press on the cladding, then. The horizontal pressing plate 25 is pressed on the top surface of the middle part of the cutting die frame 100 by the pushing of the push rod of the pressing oil cylinder 21, the cutting die frame 100 is pushed downwards to be pressed on the leather material and is continuously pressed downwards, the leather material at the cutting groove of the cutting die frame 100 is cut, and the cutting is completed.
After the completion, the push rod of the punching oil cylinder 21 retracts, and then the punching head 200 is moved to another position for cutting, so that the material cutting effect is good, and the efficiency is high.
When the cutting die frame 100 is disassembled, the cutting die frame 100 can be taken out only by disassembling the limiting bolt 15, which is very convenient.
Claims (10)
1. The utility model provides a security protection shoes are made with automatic cladding cutting device, includes moving mechanism (40) that two extend around, its characterized in that: vertical lifting mechanisms (50) are fixed on the top surfaces of moving blocks (41) of the moving mechanisms (40), and vertical supporting plates (52) are fixed on the tops of lifting blocks (51) of the two vertical lifting mechanisms (50);
a transverse moving screw (53) is arranged between the tops of the two vertical supporting plates (52), two ends of the transverse moving screw (53) are hinged to the two vertical supporting plates (52) through bearings, a moving motor (54) is fixed on the outer side wall of the top of one vertical supporting plate (52), the moving motor (54) drives the transverse moving screw (53) to rotate, a main connecting block (26) is in threaded connection with the transverse moving screw (53), and a blanking head (200) is fixed on the bottom surface of the main connecting block (26);
the stamping head (200) comprises a fixed mounting plate (10), an upper supporting frame (20) is fixed on the top surface of the middle part of the fixed mounting plate (10), a stamping oil cylinder (21) is fixed on the top surface of the middle part of a top plate of the upper supporting frame (20), a push rod of the stamping oil cylinder (21) penetrates through the top surface of the top plate of the upper supporting frame (20) and is fixed with a connecting plate (22), a pressing plate (23) is fixed on the bottom surface of the connecting plate (22), and the pressing plate (23) is inserted and sleeved in a middle through groove (11) formed in the middle part of the fixed mounting plate (10); the bottom surface of the fixed mounting plate () is provided with a cutting die frame (100), and the pressing plate (23) faces the cutting die frame (100).
2. The automatic leather cutting device for manufacturing the security shoes as claimed in claim 1, is characterized in that: the left side and the right side of the bottom surface of the fixed mounting plate (10) are fixed with side plates (12), and horizontal extension parts (13) are formed on the inner side walls of the bottoms of the two side plates (12);
a guide post (14) is fixed in the middle of the top surface of the horizontal extension part (13), extension bending parts (101) are formed on the top surfaces of the left side and the right side of the blanking die frame (100), and the guide post (14) is inserted and sleeved in a central through hole (103) of a horizontal bending part (102) of the extension bending part (101);
the top of the guide post (14) is in threaded connection with a limiting bolt (15), the head of the limiting bolt (15) is pressed against the top surface of the horizontal bending part (101), a return spring (1) is sleeved in the guide post (14), the bottom end of the return spring (1) exerts force on the top surface of the horizontal extension part (13), and the return spring (1) exerts force on the bottom surface of the horizontal bending part (102);
the pressing plate (23) faces to the middle part of the blanking die frame (100).
3. The automatic leather cutting device for manufacturing the security shoes as claimed in claim 2, is characterized in that: the guide post (14) is inserted with a gasket (2), the top end of the return spring (1) is pressed against the bottom surface of the gasket (2), and the gasket (2) is pressed against the bottom surface of the horizontal extension part (13).
4. The automatic leather cutting device for manufacturing the security shoes as claimed in claim 2, is characterized in that: an elastic anti-slip mat (3) is fixed on the bottom surface of the horizontal extension part (13).
5. The automatic leather cutting device for manufacturing the security shoes as claimed in claim 1, is characterized in that: the top surfaces of the two vertical supporting plates (52) are fixed on the bottom surface of the same transverse beam (55), a transverse guide strip (56) is fixed in the middle of the bottom surface of the transverse beam (55), a guide sliding block (261) is fixed on the top surface of the main connecting block (26), and the transverse guide strip (56) is inserted into a transverse sliding groove formed in the middle of the top surface of the guide sliding block (261).
6. The automatic leather cutting device for manufacturing the security shoes as claimed in claim 2, is characterized in that: an elastic block (24) is fixed on the bottom surface of the pressing plate (23), and a horizontal pressing plate (25) is fixed on the bottom surface of the elastic block (24).
7. The automatic leather cutting device for manufacturing the security shoes as claimed in claim 2, is characterized in that: vertical guide rods (231) are fixed to the left part and the right part of the top surface of the pressing plate (23), and the vertical guide rods (231) are inserted into guide through holes formed in a top plate of the upper support frame (20);
a buffer spring (232) is inserted and sleeved on the vertical guide rod (231), the bottom end of the buffer spring (232) is stressed on the top surface of the pressing plate (23), and the top end of the buffer spring (232) is stressed on the bottom surface of the top plate of the upper support frame (20).
8. The automatic leather cutting device for manufacturing the security shoes as claimed in claim 1, is characterized in that: the vertical lifting mechanism (50) comprises a vertical plate (57), connecting plates (58) are fixed on the top surface and the bottom surface of the vertical plate (57), two ends of a vertical screw (59) are hinged to the two connecting plates (58) through bearings, a lifting motor (581) is fixed on the top surface of the connecting plate (58) above the vertical screw, the lifting motor (581) drives the vertical screw (59) to rotate, a lifting block (51) is screwed on the vertical screw (59), a lower fixing plate (582) is fixed on the bottom surface of the connecting plate (58) below the vertical screw, and the lower fixing plate (582) is fixed on the top surface of a moving block (41).
9. The automatic leather cutting device for manufacturing the security shoes as claimed in claim 2, is characterized in that: the left side and the right side of the fixed mounting plate (10) are fixed with main connecting plates (26), and main connecting blocks (27) are fixed between the upper parts of the two main connecting plates (26).
10. The automatic leather cutting device for manufacturing the security shoes as claimed in claim 8, is characterized in that: vertical guide strips (4) are fixed on the inner side wall of the vertical plate (57), side sliding blocks (511) are fixed on the side wall of the lifting block (51), and the vertical guide strips (4) are inserted in side guide grooves formed in the side wall of the side sliding blocks (511).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011408561.7A CN112515295A (en) | 2020-12-03 | 2020-12-03 | Automatic leather cutting device for manufacturing security shoes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011408561.7A CN112515295A (en) | 2020-12-03 | 2020-12-03 | Automatic leather cutting device for manufacturing security shoes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112515295A true CN112515295A (en) | 2021-03-19 |
Family
ID=74997618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011408561.7A Pending CN112515295A (en) | 2020-12-03 | 2020-12-03 | Automatic leather cutting device for manufacturing security shoes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112515295A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198608A (en) * | 2021-12-15 | 2022-03-18 | 霆泽信息技术(上海)有限公司 | Industrial scanning terminal fixing mechanism |
-
2020
- 2020-12-03 CN CN202011408561.7A patent/CN112515295A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198608A (en) * | 2021-12-15 | 2022-03-18 | 霆泽信息技术(上海)有限公司 | Industrial scanning terminal fixing mechanism |
| CN114198608B (en) * | 2021-12-15 | 2024-06-04 | 霆泽信息技术(上海)有限公司 | Industrial scanning terminal fixing mechanism |
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Application publication date: 20210319 |