CN113617879A - Aviation plate hemming and flattening device and method - Google Patents
Aviation plate hemming and flattening device and method Download PDFInfo
- Publication number
- CN113617879A CN113617879A CN202110968610.0A CN202110968610A CN113617879A CN 113617879 A CN113617879 A CN 113617879A CN 202110968610 A CN202110968610 A CN 202110968610A CN 113617879 A CN113617879 A CN 113617879A
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- lower template
- plate
- flattening
- base
- positioning rod
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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
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
Abstract
An aviation plate hemming leveling device and method comprise a base, wherein a lower template capable of elastically stretching and retracting is embedded in the base in a sliding mode, the lower template is arranged at the top of the base, an upper die holder is arranged at intervals at the top of the base, a movable groove with a downward opening is formed in the bottom of the inner portion of the upper die holder, an upper pressing mechanism capable of lifting and moving is embedded in the movable groove in a sliding mode, the upper pressing mechanism is arranged at the top of the lower template, and a hemming plate is placed on the surface of the lower template; the invention can primarily flatten the edge curling part by one-time flattening, so that the edge curling part can stably extend to the periphery without wrinkles; the last hold-down mechanism of elevating movement can drive the synchronous downstream of lower bolster, realizes that secondary high strength compresses tightly, when the lower bolster moves to the bottom, flattens the completion, and the lower bolster also can move to last feed opening, and two actions about so can accomplish the work of flattening, and is easy and simple to handle, efficient.
Description
Technical Field
The invention belongs to the technical field of aviation parts and particularly relates to an aviation plate hemming and flattening device and method.
Background
In the process of storing, transferring and processing aviation plates, the corners of part of the plates are tilted, the problem of plate curling is caused, the plates need to be repaired, and workers repeatedly beat the plates by using rubber hammers during repairing.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an aviation plate hemming and flattening device, which has the following specific technical scheme:
an aviation plate hemming leveling device comprises a base, wherein a lower template capable of elastically stretching and retracting is embedded in the base in a sliding mode, the lower template is arranged at the top of the base, an upper die holder is arranged at intervals at the top of the base, a movable groove with a downward opening is formed in the bottom of the inner portion of the upper die holder, an upper pressing mechanism capable of lifting and moving is embedded in the movable groove in a sliding mode, the upper pressing mechanism is arranged at the top of the lower template, and a hemming plate is placed on the surface of the lower template;
the flattening process of the rolled edge plate has two states:
the first state: the lower template is upwards embedded into the movable groove in a sliding mode, and the upper pressing mechanism presses and flattens the curled edge plate downwards relatively to perform primary flattening;
the second state: the upper pressing mechanism and the lower template synchronously move downwards to carry out secondary flattening.
And positioning mechanisms are arranged on two sides of the upper die holder and used for abutting against and pressing the lower template in the second state.
Furthermore, go up hold-down mechanism and include operation screw rod, clamp plate, the spiral upper die base that runs through of operation screw rod, clamp plate, activity groove are the rectangle, the clamp plate laminating slides and imbeds in the activity inslot, the bottom of operation screw rod is rotated and is imbedded in the clamp plate, the operation screw rod is used for driving the clamp plate up-and-down motion.
Further, go up hold-down mechanism and still including the subassembly that preliminary flattens, the groove of accomodating that supplies the subassembly embedding preliminary flattening is seted up to the inside of clamp plate, the subassembly that preliminary flattens includes center head, depression bar and reset spring, the outer wall of center head rotates the depression bar of connecting the distribution of annular array, the depression bar deviates from the other end of center head and slides and imbeds in accomodating the inslot, the inside inner embedding of accomodating the groove has reset spring, the inner of depression bar is contradicted in reset spring's outer end, and the center head of upward movement can progressively drive each depression bar and pack up and compress reset spring.
Furthermore, two side surfaces of the lower template are provided with side plates which are horizontally distributed, the side plates are matched and abutted with the upper die holder or the positioning mechanism, baffle plates are vertically and symmetrically arranged on the surface of the lower template, the curled edge plate is arranged between the two baffle plates, and the bottom surface of the pressing plate is provided with a matching groove which is matched and spliced with the baffle plates; the bottom surface four corners department of lower bolster is equipped with movable post perpendicularly, the first hold up tank that supplies movable post slip embedding is seted up to the inside of base, the spring is installed to the inside bottom of first hold up tank, movable post connects in the top of spring.
Furthermore, a plurality of adsorption holes are formed in the surface of the lower template, the lower template is connected with an air pump through a conduit, and the air pump is installed in the base.
Furthermore, the positioning mechanism comprises a rotating motor and a positioning rod, the rotating motor is installed on the top surface of the upper die base, the bottom end of the rotating motor is connected with the positioning rod, the positioning rod rotatably penetrates through the upper die base, the positioning rod is L-shaped, the positioning rod is in inward rotating fit and is abutted against the surface of the side plate, and the positioning rod rotates outwards and is separated from the side plate.
An aviation plate edge curling and flattening method comprises the following steps:
s1, feeding:
the positioning rod is abutted against the side plate of the lower template, and the pressing plate is retracted into the movable groove;
placing the curled edge plate on the lower template and between the two baffles;
s2, primary flattening:
the rotating motor drives the positioning rod to rotate outwards, and the positioning rod is separated from the lower template;
the compressed spring is reset to drive the lower template to move upwards;
when the lower template moves upwards, the preliminary flattening assembly is pressed to retract and preliminarily flatten the hemming plate;
the lower template is gradually embedded into the accommodating groove, and when the side plate is abutted against the bottom surface of the upper die holder and the lower template is impacted with the pressing plate, the lower template stops acting to finish primary flattening;
s3, secondary flattening:
the operation screw rod is rotated, the pressing plate is driven to move downwards along the movable groove, so that the pressing plate and the lower template synchronously move downwards, and the spring reversely supports the lower template to realize secondary flattening;
s4, blanking:
when the pressing plate and the lower template synchronously move downwards to the bottommost end, the rotating motor drives the positioning rod to rotate to the side plate again;
rotating the operating screw rod upwards to drive the pressing plate to be folded upwards;
and taking down the flattened aviation plate.
The invention has the beneficial effects that:
1. the lower template is designed to elastically stretch and move in a telescopic way, so that the lower template can automatically move upwards to collide with the upper pressing mechanism to realize primary flattening, a driving part moving upwards is not required to be designed, the equipment cost is reduced, and meanwhile, the curled edge part can be primarily flattened by primary flattening, so that the curled edge part can stably extend around without wrinkles;
2. the upper pressing mechanism in lifting motion can drive the lower template to synchronously move downwards, so that secondary high-strength pressing is realized; when the lower template moves to the bottommost end, the lower template is flattened and can move to the upper material opening and the lower material opening, so that the flattening work can be completed through the upper action and the lower action, and the operation is simple and convenient and the efficiency is high.
Drawings
FIG. 1 shows a schematic structural view of an aerospace sheet hemming leveling device of the present invention;
FIG. 2 shows a schematic structural view of an upper pressing mechanism of the present invention;
FIG. 3 shows a schematic view of the construction of the lower template of the present invention;
FIG. 4 is a schematic view showing a loading state of the leveling device according to the present invention;
FIG. 5 is a schematic view showing a one-time flattening state of the flattening apparatus according to the present invention;
FIG. 6 is a schematic diagram showing a secondary flattening configuration of the flattening apparatus of the present invention;
shown in the figure: 1. an upper die holder; 11. a movable groove; 2. an upper pressing mechanism; 21. operating the screw; 22. pressing a plate; 221. a mating groove; 222. a receiving groove; 23. a preliminary flattening assembly; 231. a center head; 232. a pressure lever; 233. a return spring; 3. a support; 4. a positioning mechanism; 41. rotating the motor; 42. positioning a rod; 421. a vertical rod; 422. a cross bar; 5. a lower template; 51. a movable post; 52. a side plate; 53. a baffle plate; 54. an adsorption hole; 6. a base; 61. a first storage tank; 62. a spring; 63. a second storage tank; 7. an air pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1, the aviation plate hemming and flattening device comprises a base 6, wherein an elastically telescopic lower template 5 is slidably embedded in the base 6; the lower template is designed to elastically stretch and move in a telescopic way, so that the lower template can automatically move upwards to collide with the upper pressing mechanism to realize primary flattening, a driving part moving upwards is not required to be designed, the equipment cost is reduced, and meanwhile, the curled edge part can be primarily flattened by primary flattening, so that the curled edge part can stably extend around without wrinkles;
the lower template 5 is arranged at the top of the base 6, the upper die holder 1 is arranged at intervals at the top of the base 6, a movable groove 11 with a downward opening is formed in the bottom inside the upper die holder 1, an upper pressing mechanism 2 capable of lifting is embedded into the movable groove 11 in a sliding manner, the upper pressing mechanism 2 is arranged at the top of the lower template 5, and a curled edge plate is placed on the surface of the lower template 5; the upper pressing mechanism in lifting motion can drive the lower template to synchronously move downwards, so that secondary high-strength pressing is realized; when the lower template moves to the bottommost end, the lower template is flattened and can move to the upper material opening and the lower material opening, so that the flattening work can be completed through the upper action and the lower action, and the operation is simple and convenient and the efficiency is high.
The flattening process of the rolled edge plate has two states:
the first state: the lower template 5 is upwards embedded into the movable groove 11 in a sliding manner, and the upper pressing mechanism 2 presses and flattens the curled edge plate downwards relatively for primary flattening;
the second state: the upper pressing mechanism 2 and the lower template 5 synchronously move downwards to carry out secondary flattening.
Two sides of the upper die holder 1 are provided with positioning mechanisms 4, and the positioning mechanisms 4 are used for abutting against and pressing a lower template 5 in a second state; the positioning mechanism can position the lower template positioned at the bottommost end, and normal feeding and discharging can be guaranteed.
As shown in fig. 1 and 2, the upper pressing mechanism 2 includes an operating screw 21 and a pressing plate 22, the operating screw 21 spirally penetrates through the upper die holder 1, the pressing plate 22 and the movable groove 11 are both rectangular, the pressing plate 22 is fitted and slidably embedded in the movable groove 11, the bottom end of the operating screw 21 is rotatably embedded in the pressing plate 22, and the operating screw 21 is used for driving the pressing plate 22 to move up and down; when the screw rod is operated by rotating, the pressing plate can be driven to move up and down, the vertical movement of the pressing plate is stable, and the screw rod is simple and convenient to operate and labor-saving in mode.
As shown in fig. 1 and 2, the upper pressing mechanism 2 further includes a primary pressing component 23, a receiving groove 222 for the primary pressing component 23 to be embedded is formed in the pressing plate 22, the primary pressing component 23 includes a center head 231, pressing rods 232 and return springs 233, the outer wall of the center head 231 is rotatably connected with the pressing rods 232 distributed in an annular array, the other ends of the pressing rods 232 departing from the center head 231 are slidably embedded in the receiving groove 222, the inner ends of the receiving groove 222 are embedded with the return springs 233, the inner ends of the pressing rods 232 abut against the outer ends of the return springs 233, and the center head 231 moving upward gradually drives the pressing rods 232 to retract and compress the return springs 233; the containing groove comprises a central groove and each rod groove, the central head is embedded into the central groove, the pressure rod is contained into each rod groove, the inner end of the inner part of each rod groove is embedded with a return spring, and the end part of the pressure rod is embedded into the rod groove in a sliding manner; the center head and the compression rods are integrally of umbrella-shaped structures, the lower template moving upwards can abut against the center head to move upwards, the center head drives the compression rods to move upwards and gradually retract into the rod grooves, the compression rods compress the return springs, and the center head and the compression rods can be completely embedded into the accommodating grooves to ensure that the bottom surfaces of the compression plates are in a parallel and level state; the initial flattening component which is gradually folded can gradually press the curling part downwards, so that the curling part is relatively and gradually extended and expanded outwards, and the problem of wrinkles and deviation can be avoided if the curling part is directly contacted with the pressing plate.
As shown in fig. 3, two side surfaces of the lower template 5 are provided with side plates 52 which are horizontally distributed, the side plates 52 are matched and abutted with the upper die holder 1 or the positioning mechanism 4, the surface of the lower template 5 is vertically and symmetrically provided with baffle plates 53, the curled edge plate is arranged between the two baffle plates 53, and the bottom surface of the pressing plate 22 is provided with a matching groove 221 which is matched and inserted with the baffle plates 53; the design of baffle can be when the material loading, guarantees that panel is in level and smooth alignment state, guarantees the installation accuracy, and the location is simple and convenient, and when the cooperation assembly, the baffle inserts the cooperation inslot, can avoid panel deformation, skew when the extrusion, further guarantees to level the effect.
As shown in fig. 1, the four corners of the bottom surface of the lower template 5 are vertically provided with movable columns 51, a first storage groove 61 for the movable columns 51 to be slidably inserted is formed in the base 6, a spring 62 is installed at the bottom of the first storage groove 61, and the movable columns 51 are connected to the top ends of the spring 62; the movable column compresses the spring when moving downwards, and the spring drives the lower template to move upwards.
As shown in fig. 1 and 3, a plurality of adsorption holes 54 are formed in the surface of the lower template 5, the lower template 5 is connected to a suction pump 7 through a conduit, and the suction pump 7 is installed in the base 6; the second hold up tank 63 has been seted up at the inside middle part of base, and the internally mounted of second hold up tank has the aspiration pump, and the inside of lower bolster is the cavity structure, cavity structure and aspiration pump intercommunication, cavity structure and each adsorption hole intercommunication, when adsorbing through the aspiration pump, can carry out the negative pressure location to panel, further guarantee panel location effect.
As shown in fig. 1, the positioning mechanism 4 includes a rotating motor 41 and a positioning rod 42, the rotating motor 41 is installed on the top surface of the upper die holder 1, the bottom end of the rotating motor 41 is connected with the positioning rod 42, the positioning rod 42 rotatably penetrates through the upper die holder 1, the positioning rod 42 is L-shaped, the positioning rod 42 is rotatably engaged with the surface of the side plate 52, and the positioning rod 42 is rotated outwardly to be disengaged from the side plate 52; two sides of the upper die holder are fixed on the base through a support 3, the L-shaped positioning rod comprises a vertical rod body 421 and a cross rod body 422, the vertical rod body rotates to penetrate through the support, the cross rod is vertically arranged at the bottom end of the vertical rod, and the top end of the vertical rod is connected with a rotating motor; the cross bar can be abutted against the side plates.
An aviation plate edge curling and flattening method comprises the following steps:
as shown in fig. 4, S1, feeding:
the positioning rod 42 is abutted against the side plate 52 of the lower template 5, the movable column 51 presses the spring 62 downwards, and the pressing plate 22 is accommodated in the movable groove 11;
placing the hemming plate on the lower template 5 and between the two baffles 53;
as shown in fig. 5, S2, primary flattening:
the rotating motor 41 drives the positioning rod 42 to rotate outwards, and the positioning rod 42 is separated from the side plate 52 of the lower template 5;
the compressed spring 62 is reset to drive the lower template 5 to move upwards;
when the lower template 5 moves upwards, the preliminary flattening assembly 23 is pressed to retract and preliminarily flatten the hemming plate;
the lower template 5 is gradually embedded into the accommodating groove 222, and when the side plate 52 is abutted against the bottom surface of the upper die base 1 and the lower template 5 is impacted with the pressing plate 22, the lower template 5 stops acting to finish one-time flattening;
as shown in fig. 6, S3, secondary flattening:
the operation screw 21 is rotated, the pressing plate 22 is driven to move downwards along the movable groove 11, so that the pressing plate 22 and the lower template 5 synchronously move downwards, and the spring 62 reversely supports the lower template 5 to realize secondary flattening;
s4, blanking:
when the pressing plate 22 and the lower template 5 synchronously move downwards to the bottommost end, the rotating motor 41 drives the positioning rod 42 to rotate to the side plate 52 again;
rotating the operating screw 21 upwards to drive the pressing plate 22 to retract upwards;
and taking down the flattened aviation plate.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides an aviation panel turn-up levels device which characterized in that: the die comprises a base, wherein an elastically telescopic lower template is slidably embedded in the base, the lower template is arranged at the top of the base, an upper die holder is arranged at intervals at the top of the base, a movable groove with a downward opening is formed in the bottom of the inner part of the upper die holder, an upper pressing mechanism capable of lifting and moving is slidably embedded in the movable groove, the upper pressing mechanism is arranged at the top of the lower template, and a curled edge plate is placed on the surface of the lower template;
the flattening process of the rolled edge plate has two states:
the first state: the lower template is upwards embedded into the movable groove in a sliding mode, and the upper pressing mechanism presses and flattens the curled edge plate downwards relatively to perform primary flattening;
the second state: the upper pressing mechanism and the lower template synchronously move downwards to carry out secondary flattening.
And positioning mechanisms are arranged on two sides of the upper die holder and used for abutting against and pressing the lower template in the second state.
2. The aviation plate hemming and flattening device of claim 1, wherein: the upper pressing mechanism comprises an operation screw and a pressing plate, the operation screw penetrates through the upper die base in a spiral mode, the pressing plate and the movable groove are rectangular, the pressing plate is attached to the movable groove in a sliding mode and embedded into the movable groove, the bottom end of the operation screw is embedded into the pressing plate in a rotating mode, and the operation screw is used for driving the pressing plate to move up and down.
3. The aviation plate hemming and flattening device of claim 2, wherein: go up hold-down mechanism still including the subassembly that preliminarily flattens, the groove of accomodating that supplies the subassembly embedding of preliminarily flattening is seted up to the inside of clamp plate, the subassembly that preliminarily flattens includes center head, depression bar and reset spring, the outer wall of center head rotates the depression bar of connecting annular array and distributing, the depression bar deviates from the other end of center head and slides and imbeds in accomodating the inslot, the inside inner embedding of accomodating the groove has reset spring, the inner of depression bar is contradicted in reset spring's outer end, and the center head of upward movement can progressively drive each depression bar and pack up and compress reset spring.
4. The aviation plate hemming and flattening device of claim 2, wherein: the two side surfaces of the lower template are provided with side plates which are horizontally distributed, the side plates are matched and abutted with the upper die holder or the positioning mechanism, the surface of the lower template is vertically and symmetrically provided with baffle plates, the curled edge plate is arranged between the two baffle plates, and the bottom surface of the pressing plate is provided with a matching groove which is matched and spliced with the baffle plates; the bottom surface four corners department of lower bolster is equipped with movable post perpendicularly, the first hold up tank that supplies movable post slip embedding is seted up to the inside of base, the spring is installed to the inside bottom of first hold up tank, movable post connects in the top of spring.
5. The aviation plate hemming and flattening device of claim 4, wherein: the surface of the lower template is provided with a plurality of adsorption holes, the lower template is connected with an air pump through a conduit, and the air pump is arranged in the base.
6. The aviation plate hemming and flattening device of claim 4, wherein: the positioning mechanism comprises a rotating motor and a positioning rod, the rotating motor is installed on the top surface of the upper die base, the bottom end of the rotating motor is connected with the positioning rod, the positioning rod rotatably penetrates through the upper die base, the positioning rod is L-shaped, the positioning rod is in inward rotating fit and is abutted against the surface of the side plate, and the positioning rod rotates outwards to be separated from the side plate.
7. An aviation plate edge curling and flattening method is characterized by comprising the following steps: applying the levelling device according to claim 1; the flattening method comprises the following steps:
s1, feeding:
the positioning rod is abutted against the side plate of the lower template, and the pressing plate is retracted into the movable groove;
placing the curled edge plate on the lower template and between the two baffles;
s2, primary flattening:
the rotating motor drives the positioning rod to rotate outwards, and the positioning rod is separated from the lower template;
the compressed spring is reset to drive the lower template to move upwards;
when the lower template moves upwards, the preliminary flattening assembly is pressed to retract and preliminarily flatten the hemming plate;
the lower template is gradually embedded into the accommodating groove, and when the side plate is abutted against the bottom surface of the upper die holder and the lower template is impacted with the pressing plate, the lower template stops acting to finish primary flattening;
s3, secondary flattening:
the operation screw rod is rotated, the pressing plate is driven to move downwards along the movable groove, so that the pressing plate and the lower template synchronously move downwards, and the spring reversely supports the lower template to realize secondary flattening;
s4, blanking:
when the pressing plate and the lower template synchronously move downwards to the bottommost end, the rotating motor drives the positioning rod to rotate to the side plate again;
rotating the operating screw rod upwards to drive the pressing plate to be folded upwards;
and taking down the flattened aviation plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110968610.0A CN113617879B (en) | 2021-08-23 | 2021-08-23 | Aviation plate hemming and flattening device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110968610.0A CN113617879B (en) | 2021-08-23 | 2021-08-23 | Aviation plate hemming and flattening device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113617879A true CN113617879A (en) | 2021-11-09 |
| CN113617879B CN113617879B (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110968610.0A Active CN113617879B (en) | 2021-08-23 | 2021-08-23 | Aviation plate hemming and flattening device and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203140484U (en) * | 2013-01-07 | 2013-08-21 | 杭州桑莱特卫浴有限公司 | Pressing device for stainless steel door plates of bathroom cabinets |
| CN204894916U (en) * | 2015-07-08 | 2015-12-23 | 王素芳 | Archives flattening device |
| CN105728566A (en) * | 2016-04-27 | 2016-07-06 | 昆山电子羽电业制品有限公司 | Backboard shaping die |
| CN108080441A (en) * | 2016-11-21 | 2018-05-29 | 天津振祥明盛环保科技有限公司 | A kind of clutch disc press |
| CN209918599U (en) * | 2019-05-15 | 2020-01-10 | 陈绵芬 | Shell flattening device is used in electronic product production |
-
2021
- 2021-08-23 CN CN202110968610.0A patent/CN113617879B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203140484U (en) * | 2013-01-07 | 2013-08-21 | 杭州桑莱特卫浴有限公司 | Pressing device for stainless steel door plates of bathroom cabinets |
| CN204894916U (en) * | 2015-07-08 | 2015-12-23 | 王素芳 | Archives flattening device |
| CN105728566A (en) * | 2016-04-27 | 2016-07-06 | 昆山电子羽电业制品有限公司 | Backboard shaping die |
| CN108080441A (en) * | 2016-11-21 | 2018-05-29 | 天津振祥明盛环保科技有限公司 | A kind of clutch disc press |
| CN209918599U (en) * | 2019-05-15 | 2020-01-10 | 陈绵芬 | Shell flattening device is used in electronic product production |
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| Publication number | Publication date |
|---|---|
| CN113617879B (en) | 2023-03-03 |
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