CN210131998U - Horizontal leveling feeder is used in processing of keyboard metal bottom plate - Google Patents
Horizontal leveling feeder is used in processing of keyboard metal bottom plate Download PDFInfo
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- CN210131998U CN210131998U CN201921051141.0U CN201921051141U CN210131998U CN 210131998 U CN210131998 U CN 210131998U CN 201921051141 U CN201921051141 U CN 201921051141U CN 210131998 U CN210131998 U CN 210131998U
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- leveling
- fixing bolt
- flattening
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Abstract
The utility model discloses a horizontal flattening feeder for processing a keyboard metal base plate, which belongs to the technical field of machinery, and comprises a table body, wherein a flattening frame is fixedly arranged on one positive side of the table body, a steel plate turntable is rotatably connected on the left side of the flattening frame on the positive side of the table body, a coil steel plate is sleeved outside the steel plate turntable, a left support frame is fixedly arranged on the left side of the flattening frame, a feeding guide roll is rotatably connected inside the left support frame, a motor box provides power to drive a leftmost rotating gear to rotate and further drive a chain to move, and further drive all the rotating gears to rotate, so that the lower press roll rotates to convey the coil steel plate, the coil steel plate is flattened in the flattening frame through the extrusion effect of the lower press roll and the upper press roll, and then the coil steel plate is guided out of the flattening feeder through the guide of the discharging guide roll, when in use, the distance between the lower pressure roller and the upper pressure roller can be adjusted according to the use requirements of different plates.
Description
Technical Field
The utility model relates to the technical field of machinery, more specifically say, relate to a processing of keyboard metal bottom plate is with horizontal flattening feeder.
Background
Before a general coil material enters a punch press for punching, the coil material has larger internal stress due to the fact that the metal coil material and other materials have larger toughness, particularly, the coil material cannot be directly processed for thin coil materials such as stainless steel sheets and aluminum sheets, the coil material needs to be leveled by utilizing a leveling feeder and the internal stress is eliminated, and a high-quality punching product can be obtained only by the leveling feeder and then the punch press to start.
In order to convey plates with different thicknesses, the existing leveling feeder needs to adjust the distance between an upper material pressing roll and a lower material pressing roll so as to meet the use requirements of different plates.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
Problem to exist among the prior art, the utility model aims to provide a horizontal flattening feeder is used in processing of keyboard metal bottom plate, possess to on the most side, distance between the lower pressure material kun carries out the function of independent control, high durability and convenient use's advantage, the in-service use in-process has been solved, because the angle problem that panel was carried, need be to on the most side, distance between the lower pressure material kun carries out solitary regulation, current flattening feeder can only be with all on, distance between the lower pressure material kun is adjusted, can not satisfy the demand of using, troublesome problem has been caused for the production process.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A horizontal leveling feeder for processing a keyboard metal base plate comprises a table body, wherein a leveling rack is fixedly arranged on one front side of the table body, a steel plate rotating disc is rotatably connected to one front side of the table body, a coil steel plate is sleeved outside the steel plate rotating disc, a left support frame is fixedly arranged on the left side of the leveling rack, a feeding guide roller is rotatably connected to the inside of the left support frame, a right support frame is fixedly arranged on the right side of the leveling rack, a discharging guide roller is rotatably connected to the inside of the right support frame, a motor box is fixedly arranged at the bottom of the leveling rack, a plurality of pressing rollers are rotatably connected to the inside of the leveling rack, rotating gears are fixedly arranged on one sides of the back sides of the pressing rollers, chains are sleeved outside the rotating gears, and a middle sliding block is slidably connected to the inside of the leveling rack, the interior of the middle sliding block is rotatably connected with a plurality of upper press rollers, the left side and the right side of the interior of the leveling frame are slidably connected with lateral sliding blocks, the interior of the lateral sliding blocks is rotatably connected with lateral upper press rollers, the right end of the coil steel plate penetrates through the leveling frame and extends to the right side of the leveling frame, when in use, the coil steel plate is sleeved on the steel plate rotating disc, the coil steel plate enters the interior of the leveling frame through the guide of the feeding guide rollers, the motor box provides power to drive the leftmost rotating gear to rotate and further drive the chain to move and further drive all the rotating gears to rotate, so that the lower press rollers rotate to convey the coil steel plate, the interior of the leveling frame levels the coil steel plate through the extrusion action of the lower press rollers and the upper press rollers, then the coil steel plate is guided out of the leveling feeder through the discharging guide rollers, and the distance between the lower press rollers and the upper press rollers can be adjusted according to the use requirements of different plates, and the distance between the lower pressure roller at the most side and the upper pressure roller at the side part is independently adjusted, so that the adjustment requirement of the device due to the angle problem of plate conveying is met.
Preferably, the inside fixed mounting of motor case has the motor, the output shaft fixed mounting of motor has drive gear, drive gear's top is provided with first transmission gear, first transmission gear meshes with drive gear mutually, and left side one side fixed mounting at the slewing gear back has second drive gear, second drive gear meshes with first transmission gear mutually, and the starter motor during the use, motor drive gear rotate, and first transmission gear meshes with drive gear mutually, and then drive first transmission gear and rotate, and second drive gear meshes with first transmission gear mutually, and then drives second drive gear and rotate, and second drive gear and then drive the slewing gear rotation of left side, has ensured the normal operating of device.
Preferably, the top fixed mounting of middle part sliding block has a plurality of middle part fixing bearing, the equal fixed mounting in inside of middle part fixing bearing has middle part fixing bolt, the top of middle part fixing bolt runs through the flattening frame and extends to the top of flattening frame, middle part fixing bolt and flattening frame threaded connection, the top fixed mounting of middle part fixing bolt has the adjustment handle, and handheld rotation adjustment handle during the use drives middle part fixing bolt and rotates, middle part fixing bolt and flattening frame threaded connection for middle part fixing bolt up-and-down motion, and then drive middle part sliding block up-and-down motion makes the distance between lower pressure kun and the last pressure kun can adjust the operation requirement that satisfies different sheet materials.
Preferably, a spring is fixedly mounted at the top of the side sliding block, the top end of the spring penetrates through the leveling machine frame and extends to the top of the leveling machine frame, a side adjusting plate is fixedly mounted at the top end of the spring, a side fixing bolt is arranged at the top of the side adjusting plate, an internal support frame is fixedly mounted in the leveling machine frame and is positioned below the side fixing bolt, the bottom end of the side fixing bolt sequentially penetrates through the side adjusting plate, the leveling machine frame and the internal support frame and extends to the lower side of the internal support frame, the side fixing bolt is in threaded connection with the side adjusting plate, the side fixing bolt is in threaded connection with the internal support frame, when the side fixing bolt is rotated during use, the side fixing bolt is in threaded connection with the side adjusting plate, so that the side fixing bolt moves up and down to drive the side adjusting plate, the spring drives the side sliding block to move up and down, so as to drive the side upper pressure roller to move, so that the device can independently adjust the distance between the lower pressure roller at the most side edge and the side upper pressure roller, and the adjustment requirement of the angle problem of plate conveying on the device is met.
Preferably, the bottom fixed mounting of motor case has the enhancement support frame, strengthen one side and stage body fixed connection at the support frame back, improved the structural strength of motor case through strengthening the support frame, promoted the stability of device.
Preferably, the top of flattening frame is located the below fixed mounting of lateral part regulating plate and has a plurality of elastic cushion, carries out spacing support to the below of lateral part regulating plate through elastic cushion, prevents that the lateral part regulating plate from excessively pushing down and causing the damage to the device.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) when the scheme is used, the coil steel plate is sleeved on the steel plate rotating disc, the coil steel plate enters the interior of the leveling frame through the guide of the feeding guide roller, the power is provided through the motor box to drive the leftmost rotating gear to rotate, so that the chain is driven to move, and then all the rotating gears are driven to rotate, so that the lower pressure roller rotates to convey the coil steel plate, the coil steel plate is leveled in the leveling frame through the extrusion effect of the lower pressure roller and the upper pressure roller, then the coil steel plate is guided out of the leveling feeder through the guide of the discharging guide roller, the distance between the lower pressure roller and the upper pressure roller can be adjusted according to the use requirements of different plates during use, the distance between the lower pressure roller at the most side and the upper pressure roller at the side part is independently adjusted, and the adjustment requirement of the device due to the angle problem of plate conveying is met.
(2) Starting motor during this scheme uses, motor drive gear and rotate, and first drive gear meshes with drive gear mutually, and then drives first drive gear and rotate, and second drive gear meshes with first drive gear mutually, and then drives second drive gear and rotate, and second drive gear and then drive the rotation gear rotation of leftmost, has ensured the normal operating of device.
(3) When the scheme is used, the rotating adjusting handle is held by hands to drive the middle fixing bolt to rotate, the middle fixing bolt is in threaded connection with the leveling rack, the middle fixing bolt moves up and down, and then the middle sliding block moves up and down, so that the distance between the lower pressure roller and the upper pressure roller can be adjusted to meet the use requirements of different plates.
(4) When the scheme is used, the side fixing bolts are rotated and are in threaded connection with the side adjusting plate, so that the side fixing bolts move up and down and further drive the side adjusting plate to move up and down, the side adjusting plate is connected with the spring and drives the side sliding block to move up and down through the spring, and further drives the side upward pressing roll to move, the device can be used for independently adjusting the distance between the most lateral downward pressing roll and the side upward pressing roll, and the adjusting requirement of the device due to the angle problem of plate conveying is met.
(5) This scheme has improved the structural strength of motor case through strengthening the support frame, has promoted the stability of device.
(6) This scheme carries out spacing support to the below of lateral part regulating plate through elastic cushion, prevents that the lateral part regulating plate from excessively pushing down and causing the damage to the device.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the structure of the present invention;
FIG. 3 is a schematic side view of the leveling frame structure of the present invention;
fig. 4 is a sectional view of the motor case structure of the present invention.
The reference numbers in the figures illustrate:
1. a table body; 2. leveling the machine frame; 3. a steel plate turntable; 4. rolling a steel plate; 5. a left support frame; 6. a feed guide roller; 7. a right support frame; 8. a discharge guide roller; 9. a motor case; 10. pressing the roller downwards; 11. a rotating gear; 12. a chain; 13. a middle slider; 14. a press roller is arranged; 15. a side slider; 16. a side upper press roller; 17. reinforcing the support frame; 901. a motor; 902. a drive gear; 903. a first drive gear; 904. a second transmission gear; 131. a bearing is fixed in the middle; 132. a middle fixing bolt; 133. adjusting the handle; 151. a spring; 152. a side adjusting plate; 153. a side fixing bolt; 154. an inner support frame; 155. and the elastic cushion block.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, a horizontal leveling feeder for processing a keyboard metal base plate comprises a table body 1, a leveling frame 2 is fixedly installed on one side of the front surface of the table body 1, a steel plate rotating disc 3 is rotatably connected to one side of the front surface of the table body 1 on the left side of the leveling frame 2, a steel plate coil 4 is sleeved outside the steel plate rotating disc 3, a left support frame 5 is fixedly installed on the left side of the leveling frame 2, a feeding guide roller 6 is rotatably connected inside the left support frame 5, a right support frame 7 is fixedly installed on the right side of the leveling frame 2, a discharging guide roller 8 is rotatably connected inside the right support frame 7, a motor box 9 is fixedly installed at the bottom of the leveling frame 2, a plurality of lower press rollers 10 are rotatably connected inside the leveling frame 2, rotating gears 11 are fixedly installed on one side of the back surfaces of the lower press rollers 10, chains 12 are sleeved outside the rotating gears 11, a middle sliding, the interior of the middle sliding block 13 is rotatably connected with a plurality of upper press rollers 14, the left and right sides of the interior of the leveling frame 2 are slidably connected with side sliding blocks 15, the interior of the side sliding blocks 15 is rotatably connected with side upper press rollers 16, the right end of the coil steel plate 4 penetrates through the leveling frame 2 and extends to the right side of the leveling frame 2, when in use, the coil steel plate 4 is sleeved on the steel plate rotating disc 3, the coil steel plate 4 enters the interior of the leveling frame 2 through the guiding of the feeding guide roller 6, the motor box 9 provides power to drive the leftmost rotating gear 11 to rotate and further drive the chain 12 to move and further drive all the rotating gears 11 to rotate, so that the lower press roller 10 rotates to convey the coil steel plate 4, the interior of the leveling frame 2 levels the coil steel plate 4 through the extrusion effect of the lower press roller feeder 10 and the upper press rollers 14, then the coil steel plate 4 is guided out and leveled through the discharging guide roller 8, and according to, the distance between the lower and upper pressure rollers 10, 14 can be adjusted and the distance between the lower pressure roller 10 on the side and the pressure roller 16 on the side can be adjusted individually, which meets the adjustment requirements of the device due to the angle problem of sheet transport.
Further, a motor 901 is fixedly installed inside the motor box 9, the model of the motor 901 is YE2-132M2-6, a driving gear 902 is fixedly installed on an output shaft of the motor 901, a first transmission gear 903 is arranged on the top of the driving gear 902, the first transmission gear 903 is meshed with the driving gear 902, a second transmission gear 904 is fixedly installed on one side of the back of the leftmost rotating gear 11, the second transmission gear 904 is meshed with the first transmission gear 903, when the motor 901 is started, the motor 901 drives the driving gear 902 to rotate, the first transmission gear 903 is meshed with the driving gear 902, thereby driving the first transmission gear 903 to rotate, the second transmission gear 904 is meshed with the first transmission gear 903, and then drive second drive gear 904 and rotate, and second drive gear 904 and then drive leftmost rotating gear 11 and rotate, has ensured the normal operating of device.
Further, a plurality of middle fixing bearings 131 are fixedly mounted at the top of the middle sliding block 13, a middle fixing bolt 132 is fixedly mounted inside the middle fixing bearing 131, the top end of the middle fixing bolt 132 penetrates through the leveling frame 2 and extends to the top of the leveling frame 2, the middle fixing bolt 132 is in threaded connection with the leveling frame 2, an adjusting handle 133 is fixedly mounted at the top end of the middle fixing bolt 132, the adjusting handle 133 is rotated by hands during use to drive the middle fixing bolt 132 to rotate, the middle fixing bolt 132 is in threaded connection with the leveling frame 2, the middle fixing bolt 132 moves up and down, and the middle sliding block 13 is driven to move up and down, so that the distance between the lower pressure roller 10 and the upper pressure roller 14 can be adjusted to meet the use requirements of different plates.
Further, a spring 151 is fixedly mounted on the top of the side sliding block 15, the top end of the spring 151 penetrates through the leveling frame 2 and extends to the top of the leveling frame 2, a side adjusting plate 152 is fixedly mounted on the top end of the spring 151, a side fixing bolt 153 is arranged on the top of the side adjusting plate 152, an inner supporting frame 154 is fixedly mounted inside the leveling frame 2 and below the side fixing bolt 153, the bottom end of the side fixing bolt 153 sequentially penetrates through the side adjusting plate 152, the leveling frame 2 and the inner supporting frame 154 and extends to the lower side of the inner supporting frame 154, the side fixing bolt 153 is in threaded connection with the side adjusting plate 152, the side fixing bolt 153 is in threaded connection with the inner supporting frame 154, when in use, the side fixing bolt 153 is rotated, the side fixing bolt 153 is in threaded connection with the side adjusting plate 152, so that the side fixing bolt 153 moves up and down, the side adjusting plate 152 is connected with the spring 151, and drives the side sliding block 15 to move up and down through the spring 151, so as to drive the side upper pressure roller 16 to move, so that the device can independently adjust the distance between the lower pressure roller 10 at the most lateral side and the side upper pressure roller 16, and the adjustment requirement of the device due to the angle problem of plate conveying is met.
Further, the bottom fixed mounting of motor case 9 has the enhancement support frame 17, strengthens one side and the stage body 1 fixed connection at the support frame 17 back, has improved the structural strength of motor case 9 through strengthening support frame 17, has promoted the stability of device.
Further, the top of leveling frame 2 is located the below fixed mounting of side regulation board 152 and has a plurality of elastic cushion blocks 155, carries out spacing support to the below of side regulation board 152 through elastic cushion block 155, prevents that side regulation board 152 from excessively pushing down and causing the damage to the device.
The working principle is as follows: when in use, the coil steel plate 4 is sleeved on the steel plate rotating disc 3, the coil steel plate 4 enters the interior of the leveling frame 2 through the guiding of the feeding guide roller 6, the motor box 9 provides power to drive the leftmost rotating gear 11 to rotate, further the chain 12 is driven to move, further all the rotating gears 11 are driven to rotate, so that the lower roller 10 rotates to convey the coil steel plate 4, the interior of the leveling frame 2 levels the coil steel plate 4 through the extrusion action of the lower pressure roller 10 and the upper pressure roller 14, and then the coil steel plate 4 is guided out of the leveling feeder through the guiding of the discharging guide roller 8, when in use, according to the use requirements of different plates, the distance between the lower pressure roller 10 and the upper pressure roller 14 can be adjusted, and the distance between the lower pressure roller 10 at the most side and the upper pressure roller 16 at the side is independently adjusted, thereby meeting the adjustment requirement of the device due to the angle problem of plate conveying, and solving the practical use process, due to the problem of the angle of plate conveying, the distance between the upper and lower material pressing rolls at the most lateral side needs to be independently adjusted, and the existing leveling feeder can only adjust the distance between all the upper and lower material pressing rolls, so that the using requirement can not be met, and the problem of trouble is caused in the production process.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (6)
1. The utility model provides a processing of keyboard metal substrate is with horizontal flattening feeder, includes stage body (1), its characterized in that: the utility model discloses a leveling machine, including the platform body (1), the platform body and the platform body are connected with leveling machine frame (2), the platform body is connected with the steel sheet carousel (3) in a rotating manner, the outside cover of steel sheet carousel (3) is equipped with a roll steel sheet (4), the left side fixed mounting of leveling machine frame (2) has left branch frame (5), the inside rotation of left branch frame (5) is connected with feeding guide kun, the outside cover of running gear (11) is equipped with chain (12), the inside sliding connection of flattening frame (2) has middle part sliding block (13), the inside rotation of middle part sliding block (13) is connected with a plurality of pressure kun (14) of going up, the inside left and right sides sliding connection of flattening frame (2) has lateral part sliding block (15), the inside rotation of lateral part sliding block (15) is connected with pressure kun (16) on the lateral part, the right-hand member of rolling up steel sheet (4) runs through flattening frame (2) and extends to the right side of flattening frame (2).
2. The horizontal leveling feeder for machining the metal base plate of the keyboard according to claim 1, characterized in that: the motor box is characterized in that a motor (901) is fixedly mounted inside the motor box (9), a driving gear (902) is fixedly mounted on an output shaft of the motor (901), a first transmission gear (903) is arranged at the top of the driving gear (902), the first transmission gear (903) is meshed with the driving gear (902), a second transmission gear (904) is fixedly mounted on one side of the back face of the rotating gear (11) on the leftmost side, and the second transmission gear (904) is meshed with the first transmission gear (903).
3. The horizontal leveling feeder for machining the metal base plate of the keyboard according to claim 1, characterized in that: the top fixed mounting of middle part sliding block (13) has a plurality of middle part fixing bearing (131), the equal fixed mounting in inside of middle part fixing bearing (131) has middle part fixing bolt (132), the top of middle part fixing bolt (132) runs through flattening frame (2) and extends to the top of flattening frame (2), middle part fixing bolt (132) and flattening frame (2) threaded connection, the top fixed mounting of middle part fixing bolt (132) has regulation handle (133).
4. The horizontal leveling feeder for machining the metal base plate of the keyboard according to claim 1, characterized in that: the top of the side sliding block (15) is fixedly provided with a spring (151), the top end of the spring (151) penetrates through the leveling machine frame (2) and extends to the top of the leveling machine frame (2), a side adjusting plate (152) is fixedly arranged at the top end of the spring (151), a side fixing bolt (153) is arranged at the top of the side adjusting plate (152), an inner supporting frame (154) is fixedly arranged in the leveling frame (2) below the side fixing bolt (153), the bottom end of the side fixing bolt (153) penetrates through the side adjusting plate (152), the leveling machine frame (2) and the inner supporting frame (154) in sequence and extends to the lower part of the inner supporting frame (154), the side fixing bolt (153) is in threaded connection with the side adjusting plate (152), the side fixing bolt (153) is in threaded connection with the inner support frame (154).
5. The horizontal leveling feeder for machining the metal base plate of the keyboard according to claim 1, characterized in that: the bottom fixed mounting of motor case (9) has and strengthens support frame (17), strengthen one side and stage body (1) fixed connection at the support frame (17) back.
6. The horizontal leveling feeder for machining the metal base plate of the keyboard according to claim 1, characterized in that: the top of the leveling frame (2) is fixedly provided with a plurality of elastic cushion blocks (155) below the side adjusting plates (152).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921051141.0U CN210131998U (en) | 2019-07-08 | 2019-07-08 | Horizontal leveling feeder is used in processing of keyboard metal bottom plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921051141.0U CN210131998U (en) | 2019-07-08 | 2019-07-08 | Horizontal leveling feeder is used in processing of keyboard metal bottom plate |
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| CN210131998U true CN210131998U (en) | 2020-03-10 |
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| CN201921051141.0U Active CN210131998U (en) | 2019-07-08 | 2019-07-08 | Horizontal leveling feeder is used in processing of keyboard metal bottom plate |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672984A (en) * | 2020-06-22 | 2020-09-18 | 江西省萍乡市迪尔化工填料有限公司 | Pall ring one-step forming die |
| CN112264655A (en) * | 2020-10-13 | 2021-01-26 | 赖宗剑 | Flat-bed machine is opened to aluminium book based on adjustable length that cuts of production demand |
| CN113909333A (en) * | 2021-10-14 | 2022-01-11 | 何兵文 | Steel coil leveling feeding device for manufacturing high-end equipment |
| CN115055639A (en) * | 2022-07-05 | 2022-09-16 | 湖南三特机械制造有限公司 | Chain plate flattening device for chain processing |
-
2019
- 2019-07-08 CN CN201921051141.0U patent/CN210131998U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672984A (en) * | 2020-06-22 | 2020-09-18 | 江西省萍乡市迪尔化工填料有限公司 | Pall ring one-step forming die |
| CN112264655A (en) * | 2020-10-13 | 2021-01-26 | 赖宗剑 | Flat-bed machine is opened to aluminium book based on adjustable length that cuts of production demand |
| CN112264655B (en) * | 2020-10-13 | 2022-04-19 | 佛山科帅精密机械有限公司 | Flat-bed machine is opened to aluminium book based on adjustable length that cuts of production demand |
| CN113909333A (en) * | 2021-10-14 | 2022-01-11 | 何兵文 | Steel coil leveling feeding device for manufacturing high-end equipment |
| CN115055639A (en) * | 2022-07-05 | 2022-09-16 | 湖南三特机械制造有限公司 | Chain plate flattening device for chain processing |
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