CN210452873U - English teaching taste card making devices - Google Patents
English teaching taste card making devices Download PDFInfo
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- CN210452873U CN210452873U CN201921547079.4U CN201921547079U CN210452873U CN 210452873 U CN210452873 U CN 210452873U CN 201921547079 U CN201921547079 U CN 201921547079U CN 210452873 U CN210452873 U CN 210452873U
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Abstract
The utility model relates to a card making devices, more specifically the english teaching taste card making devices that says so, including shell mechanism, pushing mechanism, linkage door mechanism, cutting actuating mechanism, cutting knife mechanism, the device can send the card automatically, and the device can cut the card, and pushing mechanism sets up in the inside of shell mechanism, and linkage door mechanism links to each other with pushing mechanism, and linkage door mechanism links to each other with shell mechanism, and cutting actuating mechanism cooperatees with cutting knife mechanism, and cutting knife mechanism links to each other with shell mechanism.
Description
Technical Field
The utility model relates to a card making devices, more specifically the english teaching taste card making devices that says so.
Background
In english teaching, often lead to student's attention not concentrated because of lacking the interest, and modes such as card exercise are more interesting, and traditional card is teacher's manual work generally and tailors, and work load is big and not necessarily neat, so design an english teaching taste card making devices.
Disclosure of Invention
The utility model provides an english teaching taste card making devices, the beneficial effect is that the device can send the card automatically, and the device can cut the card.
In order to solve the technical problem, the utility model relates to a card making devices, more specifically the english teaching taste card making devices that says so, including shell mechanism, pushing mechanism, linkage door mechanism, cutting actuating mechanism, cutting knife mechanism, the device can send the card automatically, and the device can cut the card.
The shell mechanism comprises a shell body, a perforated cross brace, a hinge rod, a card placing cavity, a groove seat with a circular step, a door plate groove, a supporting leg, a knife groove and a cutting plate, wherein the perforated cross brace is arranged inside the shell body;
the pushing mechanism comprises a pushing motor, a driving disk, a driving rod, a perforated stepped slider, a pushing execution plate, a hinging seat, a clamping groove, a limiting slide rod matching hole, a spring A, a stepped groove A and a seat body, wherein the pushing motor is connected with the driving disk, the driving disk is hinged with the driving rod, the driving rod is hinged with the perforated stepped slider, the perforated stepped slider is connected with the pushing execution plate, the pushing execution plate is fixedly connected with the hinging seat, the clamping groove is formed in the pushing execution plate, the limiting slide rod is connected with the seat body, the limiting slide rod is arranged in the stepped groove A, the stepped groove A is formed in the seat body, the perforated stepped slider is matched with the stepped groove A, the perforated stepped slider is matched with the limiting slide rod, the spring A is sleeved on the limiting slide rod, the pushing motor is connected;
the linkage door mechanism comprises a cross sliding rod, a reset spring, a corner door plate, a convex block driving groove and a vertical driving rod, wherein the cross sliding rod is matched with a cross brace with a hole;
the cutting driving mechanism comprises a limiting boss, a threaded rod, a wedge block, an internal thread, a belt pulley, a belt, a motor belt pulley, a servo cutting motor, a support, a limiting vertical hole, a special-shaped limiting rod and a movable groove I, wherein the limiting boss is fixedly connected with the threaded rod, the threaded rod is connected with the internal thread, the internal thread is tapped on the wedge block, the threaded rod is connected with the belt pulley, the belt pulley is flexibly connected with the belt, the belt is flexibly connected with the motor belt pulley, the motor belt pulley is connected with the servo cutting motor, the servo cutting motor is connected with the support, the support is connected with the shell body, the limiting vertical hole is formed in the support, the special-shaped limiting rod is connected with the wedge block, the special-shaped;
the cutting knife mechanism comprises a pulling rod, a connecting seat I, a special-shaped wheel, a matching plate, a knife reset spring, a knife holder, a lower connecting seat, a sliding groove A, a two-end connecting bolt group, an inserting hole and a knife, wherein the pulling rod is connected with the special-shaped wheel which is hinged with the connecting seat I;
pushing mechanism sets up in the inside of shell mechanism, and the linkage door mechanism links to each other with pushing mechanism, and the linkage door mechanism links to each other with shell mechanism, and cutting actuating mechanism cooperatees with cutting knife mechanism, and cutting knife mechanism links to each other with shell mechanism.
As the further optimization of this technical scheme, the utility model relates to an english teaching taste card making devices the stainless steel is all chooseed for use to the material of cutter.
The utility model relates to an english teaching taste card making devices's beneficial effect does:
the utility model relates to an english teaching taste card making devices, the card can be sent automatically to the device, and the device can cut the card.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the utility model relates to an english teaching taste card making devices's overall structure sketch map.
Fig. 2 is the utility model relates to a structure sketch map of shell mechanism 1 of english teaching taste card making devices.
Fig. 3 is the utility model relates to an english teaching taste card making devices's pushing mechanism 2's schematic structure.
Fig. 4 is the utility model relates to a linkage door mechanism 3's of english teaching taste card making devices structural schematic.
Fig. 5 is the utility model relates to a cutting actuating mechanism 4's of english teaching taste card making devices structural schematic diagram.
Fig. 6 is the utility model relates to a cutting knife mechanism 5's of english teaching taste card making devices schematic structure diagram.
In the figure: a housing mechanism 1; a housing body 1-1; 1-2 of a cross brace with holes; hinge rods 1-3; placing the card cavities 1-4; 1-5 of a groove seat with a circular step; 1-6 of door plate grooves; 1-7 of supporting legs; 1-8 cutter grooves; cutting the plates 1-9; a pushing mechanism 2; a pushing motor 2-1; a drive plate 2-2; 2-3 of a driving rod; 2-4 of a stepped slide block with holes; pushing the execution plate 2-5; hinge seats 2-6; 2-7 of a clamping groove; 2-8 parts of a limiting slide bar; 2-9 of limiting slide bar matching holes; spring A2-10; the stepped groove A2-11; 2-12 of a seat body; a linked door mechanism 3; a horizontal sliding rod 3-1; a return spring 3-2; 3-3 of corner door panels; 3-4 parts of a bump; bump driving grooves 3-5; a vertical drive rod 3-6; a cutting drive mechanism 4; a limiting boss 4-1; 4-2 parts of a threaded rod; 4-3 of a wedge block; 4-4 parts of internal threads; 4-5 of belt pulleys; 4-6 parts of a belt; 4-7 of a motor belt pulley; 4-8 of a servo cutting motor; 4-9 of support; 4-10 of limiting vertical holes; 4-11 parts of special-shaped limiting rods; the movable groove I4-12; a cutter mechanism 5; pulling a rod 5-1; connecting seat I5-2; 5-3 of a special-shaped wheel; 5-4 of a matching plate; 5-5 parts of a knife return spring; 5-6 parts of a tool apron; 5-7 parts of a lower connecting seat; a chute A5-8; two ends are connected with 5-9 bolt groups; inserting into the holes 5-10; 5-11 parts of cutters.
Detailed Description
The first embodiment is as follows:
this embodiment is explained below with reference to fig. 1, 2, 3, 4, 5, 6, the utility model relates to a card making devices, more specifically the english teaching taste card making devices that says so, including shell mechanism 1, pushing mechanism 2, linkage door mechanism 3, cutting actuating mechanism 4, cutting knife mechanism 5, the device can send the card automatically, and the device can cut the card.
The shell mechanism 1 comprises a shell body 1-1, a cross brace with holes 1-2, a hinge rod 1-3, a card placing cavity 1-4, a groove seat with circular steps 1-5, a door plate groove 1-6, supporting legs 1-7, a knife groove 1-8 and a cutting plate 1-9, the perforated cross arm 1-2 is arranged inside the shell body 1-1, the hinge rod 1-3 is connected with the shell body 1-1, the right end of the shell body 1-1 is provided with a card placing cavity 1-4, the groove seat 1-5 with a circular step is connected with the shell body 1-1, the door plate groove 1-6 is arranged on the shell body 1-1, the support leg 1-7 is arranged below the card placing cavity 1-4, the cutter groove 1-8 is arranged on the cutting plate 1-9, and the cutting plate 1-9 is connected with the shell body 1-1;
the pushing mechanism 2 comprises a pushing motor 2-1, a driving disc 2-2, a driving rod 2-3, a perforated stepped slider 2-4, a pushing execution plate 2-5, a hinged seat 2-6, a clamping groove 2-7, a limiting slide rod 2-8, a limiting slide rod matching hole 2-9, a spring A2-10, a stepped groove A2-11 and a seat body 2-12, wherein the pushing motor 2-1 is connected with the driving disc 2-2, the driving disc 2-2 is hinged with the driving rod 2-3, the driving rod 2-3 is hinged with the perforated stepped slider 2-4, the perforated stepped slider 2-4 is connected with the pushing execution plate 2-5, the pushing execution plate 2-5 is fixedly connected with the hinged seat 2-6, and the clamping groove 2-7 is arranged on the pushing execution plate 2-5, the limiting slide bar 2-8 is connected with the seat body 2-12, the limiting slide bar 2-8 is arranged in a stepped groove A2-11, the stepped groove A2-11 is formed in the seat body 2-12, the stepped slide block with holes 2-4 is matched with the stepped groove A2-11, the stepped slide block with holes 2-4 is matched with the limiting slide bar 2-8, the spring A2-10 is sleeved on the limiting slide bar 2-8, the pushing motor 2-1 is connected with the shell body 1-1, and the seat body 2-12 is connected with the shell body 1-1;
the linkage door mechanism 3 comprises a cross slide bar 3-1, a reset spring 3-2, a corner door panel 3-3, a bump 3-4, a bump driving groove 3-5 and a vertical driving rod 3-6, wherein the cross slide bar 3-1 is matched with a cross brace 1-2 with a hole, the reset spring 3-2 is sleeved on the cross slide bar 3-1, the cross slide bar 3-1 is connected with the corner door panel 3-3, the corner door panel 3-3 is connected with the bump 3-4, the bump 3-4 is matched with the bump driving groove 3-5, the bump driving groove 3-5 is arranged on the vertical driving rod 3-6, the vertical driving rod 3-6 is hinged with a hinged seat 2-6, the corner door panel 3-3 is matched with the door panel groove 1-6, firstly, a card to be cut is placed in a card placing cavity 1-4, then a pushing motor 2-1 is operated, the pushing motor 2-1 can drive a driving disc 2-2 to rotate clockwise, the driving disc 2-2 can drive a perforated stepped slide block 2-4 to reciprocate left and right through a driving rod 2-3, the perforated stepped slide block 2-4 can drive a pushing execution plate 2-5 to reciprocate left and right through reciprocating motion, the pushing execution plate 2-5 can drive a hinged seat 2-6 to reciprocate back and forth through reciprocating motion, the hinged seat 2-6 can drive the lower end of a vertical driving rod 3-6 to intermittently swing right and reset, so that a lug driving groove 3-5 can intermittently drive a lug 3-4 to move left and then reset, and the lug 3-4 can drive a corner door panel 3-3 to reciprocate, therefore, when the corner door plate 3-3 moves leftwards, a part of the cards fall from a gap formed by the corner door plate 3-3 moving leftwards and the card placing cavity 1-4, when the corner door plate 3-3 resets rightwards, the cards stop falling, the fallen cards are pushed to the lower part of the cutter 5-11 intermittently by the reciprocating motion pushing execution plate 2-5, so that the automatic card feeding is completed, and the card turning can be prevented by the arrangement of the clamping grooves 2-7;
the cutting driving mechanism 4 comprises a limiting boss 4-1, a threaded rod 4-2, a wedge block 4-3, an internal thread 4-4, a belt pulley 4-5, a belt 4-6, a motor belt pulley 4-7, a servo cutting motor 4-8, a support 4-9, a limiting vertical hole 4-10, a special-shaped limiting rod 4-11 and a movable groove I4-12, wherein the limiting boss 4-1 is fixedly connected with the threaded rod 4-2, the threaded rod 4-2 is connected with the internal thread 4-4, the internal thread 4-4 is tapped on the wedge block 4-3, the threaded rod 4-2 is connected with the belt pulley 4-5, the belt pulley 4-5 is flexibly connected with the belt 4-6, the belt 4-6 is flexibly connected with the motor belt pulley 4-7, the motor belt pulley 4-7 is connected with the servo cutting motor 4-8, a servo cutting motor 4-8 is connected with a support 4-9, the support 4-9 is connected with a shell body 1-1, a limiting vertical hole 4-10 is formed in the support 4-9, a special-shaped limiting rod 4-11 is connected with a wedge block 4-3, the special-shaped limiting rod 4-11 is matched with the limiting vertical hole 4-10, and a movable groove I4-12 is formed in the support 4-9;
the cutting knife mechanism 5 comprises a pulling rod 5-1, a connecting seat I5-2, a special-shaped wheel 5-3, a matching plate 5-4, a knife reset spring 5-5, a knife holder 5-6, a lower connecting seat 5-7, a sliding groove A5-8, a two-head connecting bolt group 5-9, an inserting hole 5-10 and a knife tool 5-11, wherein the pulling rod 5-1 is connected with the special-shaped wheel 5-3, the special-shaped wheel 5-3 is hinged with the connecting seat I5-2, the connecting seat I5-2 is connected with a shell body 1-1, the special-shaped wheel 5-3 is matched with the matching plate 5-4, the matching plate 5-4 is connected with the knife holder 5-6, the knife holder 5-6 is matched with the sliding groove A5-8, the sliding groove A5-8 is opened on the lower connecting seat 5-7, the lower connecting seat 5-7 is connected with, a knife return spring 5-5 is sleeved on a knife holder 5-6, a two-head connecting bolt group 5-9 is matched with an inserting hole 5-10, the inserting hole 5-10 is opened on the knife holder 5-6, a knife 5-11 is connected with the two-head connecting bolt group 5-9, a servo cutting motor 4-8 is operated to drive a motor belt pulley 4-7 to rotate, the motor belt pulley 4-7 rotates to drive a belt pulley 4-5 to rotate through a belt 4-6, the belt pulley 4-5 rotates to drive a threaded rod 4-2 to rotate, the threaded rod 4-2 rotates to drive a wedge block 4-3 to move downwards through meshing with an internal thread 4-4, the wedge block 4-3 moves downwards to drive a pulling rod 5-1 to swing rightwards, the pulling rod 5-1 drives a special-shaped wheel 5-3 to rotate clockwise, the special-shaped wheel 5-3 rotates clockwise to press the matching plate 5-4 downwards, the matching plate 5-4 moves downwards to drive the tool apron 5-6 to move downwards, the tool apron 5-6 moves downwards to drive the two-head connecting bolt set 5-9 to move downwards, the two-head connecting bolt set 5-9 moves downwards to drive the tool 5-11 to move downwards, the tool 5-11 moves downwards to cut the clamping sheet, then the servo cutting motor 4-8 is operated in a reverse direction, and the tool 5-11 is reset;
the pushing mechanism 2 is arranged inside the shell mechanism 1, the linkage door mechanism 3 is connected with the pushing mechanism 2, the linkage door mechanism 3 is connected with the shell mechanism 1, the cutting driving mechanism 4 is matched with the cutting knife mechanism 5, and the cutting knife mechanism 5 is connected with the shell mechanism 1.
The second embodiment is as follows:
the present embodiment will be described with reference to fig. 1, 2, 3, 4, 5, and 6, and the first embodiment will be further described, in which stainless steel is used as the material of the cutting tools 5 to 11.
The utility model discloses a theory of operation is: the device can automatically feed cards, the cards to be cut are firstly placed in a card placing cavity 1-4, then a pushing motor 2-1 is operated, the pushing motor 2-1 can drive a driving disk 2-2 to rotate clockwise, the driving disk 2-2 can drive a step slide block with holes 2-4 to reciprocate left and right through a driving rod 2-3, the step slide block with holes 2-4 can drive a pushing execution plate 2-5 to reciprocate left and right, the pushing execution plate 2-5 can drive a hinge base 2-6 to reciprocate, the hinge base 2-6 can drive the lower end of a vertical driving rod 3-6 to intermittently swing right and reset through reciprocating, and thus, a lug driving groove 3-5 can intermittently drive a lug 3-4 to move left and then reset, the convex block 3-4 can drive the corner door plate 3-3 to reciprocate, thus when the corner door plate 3-3 moves leftwards, a part of the card can fall from a gap formed by the corner door plate 3-3 moving leftwards and the card placing cavity 1-4, when the corner door plate 3-3 resets rightwards, the card stops falling, the falling card can be pushed to the lower part of the cutter 5-11 intermittently by the pushing execution plate 2-5 moving backwards and forwards, thus the automatic card feeding is completed, and the card can be prevented from turning by the arrangement of the clamping groove 2-7; the device can cut a card, a motor belt pulley 4-7 is driven to rotate by the operation of a servo cutting motor 4-8, the motor belt pulley 4-7 rotates to drive a belt pulley 4-5 to rotate through a belt 4-6, the belt pulley 4-5 rotates to drive a threaded rod 4-2 to rotate, the threaded rod 4-2 rotates to drive a wedge block 4-3 to move downwards through meshing with an internal thread 4-4, the wedge block 4-3 moves downwards to drive a pull rod 5-1 to swing rightwards, the pull rod 5-1 drives a special-shaped wheel 5-3 to rotate clockwise, the special-shaped wheel 5-3 rotates clockwise to press a matching plate 5-4 downwards, the matching plate 5-4 moves downwards to drive a tool apron 5-6 to move downwards, the tool apron 5-6 moves downwards to drive a two-head connecting bolt set 5-9 to move downwards, the two-end connecting bolt group 5-9 moves downwards to drive the cutter 5-11 to move downwards, the cutter 5-11 moves downwards to cut the card, then the servo cutting motor 4-8 is operated in the reverse direction, and the cutter 5-11 is reset.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.
Claims (2)
1. The utility model provides an english teaching taste card making devices, includes shell mechanism (1), pushing mechanism (2), linkage door mechanism (3), cutting actuating mechanism (4), cutting knife mechanism (5), its characterized in that: the shell mechanism (1) comprises a shell body (1-1), a perforated cross brace (1-2), a hinged rod (1-3), a card placing cavity (1-4), a groove seat (1-5) with a circular step, a door plate groove (1-6), a supporting leg (1-7), a knife groove (1-8) and a cutting plate (1-9), wherein the perforated cross brace (1-2) is arranged inside the shell body (1-1), the hinged rod (1-3) is connected with the shell body (1-1), the right end of the shell body (1-1) is provided with the card placing cavity (1-4), the groove seat (1-5) with the circular step is connected with the shell body (1-1), the door plate groove (1-6) is opened on the shell body (1-1), the supporting leg (1-7) is arranged below the card placing cavity (1-4), the cutter groove (1-8) is arranged on the cutting plate (1-9), and the cutting plate (1-9) is connected with the shell body (1-1);
the pushing mechanism (2) comprises a pushing motor (2-1), a driving disk (2-2), a driving rod (2-3), a step slider with holes (2-4), a pushing execution plate (2-5), a hinging seat (2-6), a clamping groove (2-7), a limiting slide rod (2-8), a matching hole for the limiting slide rod (2-9), a spring A (2-10), a step groove A (2-11) and a seat body (2-12), the pushing motor (2-1) is connected with the driving disk (2-2), the driving disk (2-2) is hinged with the driving rod (2-3), the driving rod (2-3) is hinged with the step slider with holes (2-4), the step slider with holes (2-4) is connected with the pushing execution plate (2-5), the pushing execution plate (2-5) is fixedly connected with the hinged seat (2-6), the clamping groove (2-7) is formed in the pushing execution plate (2-5), the limiting slide rod (2-8) is connected with the seat body (2-12), the limiting slide rod (2-8) is arranged in the stepped groove A (2-11), the stepped groove A (2-11) is formed in the seat body (2-12), the stepped slide block with holes (2-4) is matched with the stepped groove A (2-11), the stepped slide block with holes (2-4) is matched with the limiting slide rod (2-8), the spring A (2-10) is sleeved on the limiting slide rod (2-8), the pushing motor (2-1) is connected with the shell body (1-1), and the seat body (2-12) is connected with the shell body (1-1);
the linkage door mechanism (3) comprises a cross sliding rod (3-1), a reset spring (3-2), a corner door panel (3-3), a convex block (3-4), a convex block driving groove (3-5) and a vertical driving rod (3-6), wherein the cross sliding rod (3-1) is matched with a cross brace (1-2) with a hole, the reset spring (3-2) is sleeved on the cross sliding rod (3-1), the cross sliding rod (3-1) is connected with the corner door panel (3-3), the corner door panel (3-3) is connected with the convex block (3-4), the convex block (3-4) is matched with the convex block driving groove (3-5), the convex block driving groove (3-5) is arranged on the vertical driving rod (3-6), the vertical driving rod (3-6) is hinged with a hinge seat (2-6), the corner door plate (3-3) is matched with the door plate groove (1-6);
the cutting driving mechanism (4) comprises a limiting boss (4-1), a threaded rod (4-2), a wedge block (4-3), an internal thread (4-4), a belt pulley (4-5), a belt (4-6), a motor belt pulley (4-7), a servo cutting motor (4-8), a support (4-9), a limiting vertical hole (4-10), a special-shaped limiting rod (4-11) and a movable groove I (4-12), the limiting boss (4-1) is fixedly connected with the threaded rod (4-2), the threaded rod (4-2) is connected with the internal thread (4-4), the internal thread (4-4) is arranged on the wedge block (4-3), the threaded rod (4-2) is connected with the belt pulley (4-5), and the belt pulley (4-5) is flexibly connected with the belt (4-6), the belt (4-6) is flexibly connected with the motor belt pulley (4-7), the motor belt pulley (4-7) is connected with the servo cutting motor (4-8), the servo cutting motor (4-8) is connected with the support (4-9), the support (4-9) is connected with the shell body (1-1), the limiting vertical hole (4-10) is formed in the support (4-9), the special-shaped limiting rod (4-11) is connected with the wedge block (4-3), the special-shaped limiting rod (4-11) is matched with the limiting vertical hole (4-10), and the movable groove I (4-12) is formed in the support (4-9);
the cutting knife mechanism (5) comprises a pulling rod (5-1), a connecting seat I (5-2), a special-shaped wheel (5-3), a matching plate (5-4), a knife reset spring (5-5), a knife holder (5-6), a lower connecting seat (5-7), a chute A (5-8), a two-end connecting bolt group (5-9), an inserting hole (5-10) and a knife (5-11), wherein the pulling rod (5-1) is connected with the special-shaped wheel (5-3), the special-shaped wheel (5-3) is hinged with the connecting seat I (5-2), the connecting seat I (5-2) is connected with the shell body (1-1), the special-shaped wheel (5-3) is matched with the matching plate (5-4), the matching plate (5-4) is connected with the knife holder (5-6), the tool apron (5-6) is matched with the chute A (5-8), the chute A (5-8) is arranged on the lower connecting seat (5-7), the lower connecting seat (5-7) is connected with the shell body (1-1), the tool return spring (5-5) is sleeved on the tool apron (5-6), the two-end connecting bolt group (5-9) is matched with the inserting hole (5-10), the inserting hole (5-10) is arranged on the tool apron (5-6), and the tool (5-11) is connected with the two-end connecting bolt group (5-9);
pushing mechanism (2) sets up in the inside of shell mechanism (1), and linkage door mechanism (3) link to each other with pushing mechanism (2), and linkage door mechanism (3) link to each other with shell mechanism (1), and cutting actuating mechanism (4) cooperate with cutting knife mechanism (5), and cutting knife mechanism (5) link to each other with shell mechanism (1).
2. The English teaching interesting card making device of claim 1, wherein: the cutters (5-11) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921547079.4U CN210452873U (en) | 2019-09-18 | 2019-09-18 | English teaching taste card making devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921547079.4U CN210452873U (en) | 2019-09-18 | 2019-09-18 | English teaching taste card making devices |
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| CN210452873U true CN210452873U (en) | 2020-05-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111833659A (en) * | 2020-07-02 | 2020-10-27 | 广西师范大学 | English card making devices |
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2019
- 2019-09-18 CN CN201921547079.4U patent/CN210452873U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111833659A (en) * | 2020-07-02 | 2020-10-27 | 广西师范大学 | English card making devices |
| CN111833659B (en) * | 2020-07-02 | 2021-10-08 | 广西师范大学 | English card making devices |
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