CN112718986A - Twisting device for metal art stair posts - Google Patents
Twisting device for metal art stair posts Download PDFInfo
- Publication number
- CN112718986A CN112718986A CN202011476638.4A CN202011476638A CN112718986A CN 112718986 A CN112718986 A CN 112718986A CN 202011476638 A CN202011476638 A CN 202011476638A CN 112718986 A CN112718986 A CN 112718986A
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- China
- Prior art keywords
- sliding
- bottom plate
- fixedly connected
- plate
- frame
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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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/14—Twisting
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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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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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
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F2011/0203—Miscellaneous features of stairways not otherwise provided for
- E04F2011/0205—Stairways characterised by the use of specific materials for the supporting structure of the treads
- E04F2011/0209—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of metal
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewing Machines And Sewing (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention relates to a twisting device, in particular to a twisting device for a metal art stair post. The technical problem of the invention is that: the twisting device for the metal art stair post can reduce manual operation and is high in safety. A twisting device for metal art stair posts comprises a bottom plate and supporting seats, wherein two sides of the bottom plate are fixedly connected with two supporting seats; the placing assembly is arranged in the middle of the top of the bottom plate; and the limiting mechanism is arranged at the top of the bottom plate. According to the invention, through the matching of the limiting mechanism, the clamping mechanism, the triggering mechanism and the twisting mechanism, the material plate can be automatically twisted, so that the manual operation is reduced, and the safety is improved; through the effect of reloading mechanism, can make things convenient for the staff to change the material board, raise the efficiency.
Description
Technical Field
The invention relates to a twisting device, in particular to a twisting device for a metal art stair post.
Background
The stair posts are the posts of the stair frame and are generally made of metal materials, the stair posts are mainly applied to various building floors and can play a role in protection, and some stair posts can be twisted to be made into artistic stair posts, so that the stair is more attractive.
At present, workers mainly adopt a special twisting machine to twist material plates, and the twisting machine needs frequent manual operation when in operation, so that the material plates are dangerous, the hands of the workers can be injured carelessly, and the safety is low.
Therefore, there is a need for a device with reduced manual operations and high safety to solve the existing problems.
Disclosure of Invention
In order to overcome the defects that the operation of the bending machine requires frequent manual operation, which is dangerous, the hands of workers can be injured carelessly and the safety is not high, the technical problem of the invention is as follows: the twisting device for the metal art stair post can reduce manual operation and is high in safety.
A twisting device for metal art stair posts comprises a bottom plate and supporting seats, wherein two sides of the bottom plate are fixedly connected with two supporting seats; the placing assembly is arranged in the middle of the top of the bottom plate; the limiting mechanism is arranged at the top of the bottom plate; the clamping mechanism is arranged on the placing component; the trigger mechanism is arranged at the top of the bottom plate; the torsion mechanism, trigger mechanism is all installed to bottom plate top both sides, clamping mechanism with the trigger mechanism cooperation.
Optionally, the placing assembly comprises a base, and the base is fixedly connected to the middle of the top of the bottom plate; the fixed limiting frame is fixedly connected to the upper side of the base; the two sides of the top of the base are fixedly connected with the slide rail seats; the sliding bracket is arranged between the sliding rail seats in a sliding manner; a support spring connected between the sliding bracket and the sliding rail seat.
Optionally, the limiting mechanism comprises a first fixing frame, and the first fixing frame is fixedly connected to the upper side of the bottom plate; the air cylinder is arranged at the upper part of the first fixing frame; the two sides of the top of the bottom plate are both arranged on the guide rail frame; the push plate is arranged between the guide rail frames in a sliding mode, and a telescopic rod of the air cylinder is in contact with the push plate; the elastic limiting frame is arranged on the lower side of the push plate in a sliding manner; the extrusion frame is fixedly connected to the side surface of the push plate; and the first return spring is connected between the push plate and the guide rail frame.
Optionally, the clamping mechanism comprises a fixed ring frame, and at least two fixed ring frames are mounted on both sides of the top of the base; the hollow mounting ring is rotatably connected between the fixed ring frames on the same side; the fixed shaft is fixedly connected to the middle part of the hollow mounting ring; the fixed shaft is rotatably connected with the first clamping block and the second clamping block, and the first clamping block is matched with the second clamping block; the spiral spring is arranged between the first clamping block and the fixed shaft, and the spiral spring is also arranged between the second clamping block and the fixed shaft.
Optionally, the trigger mechanism comprises guide blocks, and the guide blocks are symmetrically arranged on the upper side and the lower side of the hollow mounting ring; the sliding U-shaped block is arranged between the guide blocks in a sliding manner; the fixing plate is fixedly connected to the inner wall of the hollow mounting ring; the second return spring is connected between the fixing plate and the sliding U-shaped block; the outer sides of the sliding U-shaped blocks are rotatably connected with connecting shafts; the outer ends of the connecting shafts are connected with inclined plane ejector blocks; the inner sides of the inclined plane top blocks are provided with elastic bayonet locks in a sliding manner, and the elastic bayonet locks are clamped on the sliding U-shaped blocks; the two sides of the bottom of the push plate are fixedly connected with the extrusion blocks; and the positioning frames are fixedly connected to two sides of the top of the bottom plate.
Optionally, the torsion mechanism comprises a convex plate, wherein the convex plate is fixedly connected to the side surface of the extrusion block on one side; the trigger switch is arranged on one side of the top of the bottom plate; the second fixing frame is fixedly connected to one side, close to the trigger switch, of the bottom plate; the low-speed motor is arranged on the second fixing frame and is electrically connected with the trigger switch; the top of the bottom plate is uniformly connected with at least four fixed ring sleeves at intervals; the transmission shaft is rotatably connected between the fixed ring sleeves on one side, the transmission shaft is also rotatably connected between the fixed ring sleeves on the other side, and one transmission shaft is fixedly connected with an output shaft of the low-speed motor; the transmission gears are mounted on the transmission shafts; the outer sides of the hollow mounting rings are provided with toothed rings, and the toothed rings are meshed with the transmission gear; and a reverse gear set is arranged between the transmission shafts.
Optionally, the automatic feeding device further comprises a material changing mechanism, the material changing mechanism comprises a hook plate, and sliding blocks are arranged on two sides of the sliding bracket in a sliding mode; the sliding blocks are fixedly connected with hook plates; and the pull rod is fixedly connected between the hook plates.
Optionally, the second return spring is a compression spring.
Compared with the prior art, the invention has the following advantages:
1. through the cooperation of stop gear, clamping mechanism, trigger mechanism and torsion mechanism, can turn round the material board automatically, reduce manual operation, improve the security.
2. Through the effect of reloading mechanism, can make things convenient for the staff to change the material board, raise the efficiency.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the placement module of the present invention.
Fig. 3 is a schematic perspective view of the limiting mechanism of the present invention.
Fig. 4 is a schematic perspective view of the clamping mechanism of the present invention.
Fig. 5 is a schematic perspective view of the trigger mechanism of the present invention.
Fig. 6 is a schematic perspective view of the torsion mechanism of the present invention.
Fig. 7 is a schematic perspective view of the material changing mechanism of the present invention.
Fig. 8 is a circuit diagram of the present invention.
The meaning of the reference symbols in the figures: 1: bottom plate, 2: support seat, 3: placement assembly, 31: base, 32: fixed spacing, 33: slide rail seat, 34: sliding bracket, 35: support spring, 4: stop gear, 41: first fixing frame, 42: cylinder, 43: push plate, 44: elastic limiting frame, 45: extrusion frame, 46: rail frame, 47: first return spring, 5: clamping mechanism, 51: stationary ring frame, 52: hollow mounting ring, 53: fixed shaft, 54: scroll spring, 55: first block, 56: second clamping block, 6: trigger mechanism, 61: guide block, 62: sliding U-shaped block, 63: fixing plate, 64: second return spring, 65: connecting shaft, 66: inclined plane top block, 67: resilient bayonet, 68: extrusion block, 69: locating rack, 7: torsion mechanism, 71: convex plate, 72: trigger switch, 73: second fixing frame, 74: low-speed motor, 75: drive shaft, 76: transmission gear, 77: ring gear, 78: fixed ring sleeve, 79: reverse gear set, 8: reloading mechanism, 81: hook plate, 82: slider, 83: pull rod, 9: and (5) a material plate.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1
The utility model provides a device of crumpling for metal art stair post, as shown in figure 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 8 are shown, including bottom plate 1, prop seat 2, place subassembly 3, stop gear 4, clamping mechanism 5, trigger mechanism 6 and torsion mechanism 7, the 1 bottom left and right sides of bottom plate all is connected with two and props seat 2, install in the middle of the 1 top of bottom plate and place subassembly 3, stop gear 4 and torsion mechanism 7 are installed to 1 top rear side of bottom plate, place and install clamping mechanism 5 on the subassembly 3, trigger mechanism 6 is all installed to the 1 top left and right sides of bottom plate, clamping mechanism 5 and the 6 cooperation of trigger mechanism.
The trigger mechanism 6 comprises a guide block 61, a sliding U-shaped block 62, a fixing plate 63, a second return spring 64, a connecting shaft 65, a bevel jacking block 66, an elastic clamping pin 67, an extrusion block 68 and a positioning frame 69, guide blocks 61 are all symmetrically installed to the upper and lower both sides in two hollow mount rings 52, slidingtype is equipped with slip U type piece 62 between the guide block 61 of upper and lower both sides, both sides all are connected with fixed plate 63 around in two hollow mount rings 52, all be connected with second reset spring 64 between fixed plate 63 and the slip U type piece 62, the equal rotary type in slip U type piece 62 outside is connected with connecting axle 65, connecting axle 65 outer end all is connected with inclined plane kicking block 66, the equal slidingtype in inclined plane kicking block 66 inboard is equipped with elastic clamping pin 67, elastic clamping pin 67 card is on slip U type piece 62, push pedal 43 bottom left and right sides all is connected with extrusion piece 68, the 1 top left and right sides all is connected with locating rack 69.
The torsion mechanism 7 comprises a convex plate 71, a trigger switch 72, a second fixing frame 73, a low-speed motor 74, a transmission shaft 75, a transmission gear 76, a toothed ring 77, a fixed ring sleeve 78 and a reverse gear set 79, wherein the left side of a left extrusion block 68 is connected with the convex plate 71, the left side of the top of the bottom plate 1 is provided with the trigger switch 72, the left rear side of the top of the bottom plate 1 is provided with the second fixing frame 73, the top of the second fixing frame 73 is provided with the low-speed motor 74, the low-speed motor 74 is electrically connected with the trigger switch 72, the rear side of the top of the bottom plate 1 is uniformly connected with four fixed ring sleeves 78 at intervals from left to right, the transmission shaft 75 is rotatably connected between the two fixed ring sleeves 78 on the left side, the transmission shaft 75 is also rotatably connected between the two fixed ring sleeves on the right side, the left end of, the two hollow mounting rings 52 are respectively provided with a toothed ring 77 at the outer side, the two toothed rings 77 are respectively meshed with the two transmission gears 76, and a reverse gear set 79 is arranged between the two transmission shafts 75.
The worker puts the material plate 9 on the fixed limit frame 32, then controls the cylinder 42 to extend, the cylinder 42 pushes the push plate 43 to move downwards, the push plate 43 drives the elastic limit frame 44 to move downwards, the first return spring 47 is stretched, when the elastic limit frame 44 moves downwards and touches the fixed limit frame 32, the elastic limit frame 44 is compressed, the push plate 43 moves downwards and can also drive the extrusion frame 45 to move downwards, the extrusion frame 45 pushes the sliding bracket 34 to move downwards, the supporting spring 35 is compressed, the push plate 43 moves downwards and can also drive the extrusion block 68 to move downwards, the extrusion block 68 pushes the inclined plane top block 66 to move inwards, the inclined plane top block 66 drives the connecting shaft 65 to move inwards, the connecting shaft 65 drives the sliding U-shaped block 62 to move inwards, the second return spring 64 is compressed, the sliding U-shaped block 62 pushes the first clamping block 55 and the second clamping block 56 to close inwards, the scroll spring 54 is twisted, the first clamping block 55 and the second clamping block 56 clamp the material plate 9, the left extrusion block 68 moves downwards to drive the convex plate 71 to move downwards, when the convex plate 71 moves downwards to touch the trigger switch 72, the worker turns off the air cylinder 42, the low-speed motor 74 starts working, the low-speed motor 74 drives the left transmission shaft 75 to rotate, the left transmission shaft 75 drives the left transmission gear 76 to rotate, the left transmission gear 76 drives the left toothed ring 77 to rotate, the left toothed ring 77 drives the left hollow mounting ring 52 to rotate, so as to drive the left first clamping block 55 and the left second clamping block 56 to rotate, the left transmission shaft 75 drives the right transmission shaft 75 to rotate reversely through the reverse gear set 79, so as to drive the right first clamping block 55 and the right second clamping block 56 to rotate reversely, so as to twist the material plate 9, the elastic clamping pin 67 has certain elasticity, so that the sliding U-shaped block 62 cannot be clamped by the elastic clamping pin 67, after the operation is finished, the air cylinder 42 is controlled to be shortened by people, the push plate 43 moves upwards under the action of the first return spring 47, the push plate 43 drives the extrusion frame 45, the extrusion block 68 and the convex plate 71 to move upwards, the extrusion frame 45 does not extrude the sliding bracket 34 any more, the sliding bracket 34 moves upwards under the action of the supporting spring 35, the convex plate 71 is not contacted with the trigger switch 72, the low-speed motor 74 stops working, the elastic limiting frame 44 moves upwards after being restored, the extrusion block 68 does not extrude the inclined plane top block 66 any more, the sliding U-shaped block 62 resets outwards under the action of the second return spring 64, the sliding U-shaped block 62 does not extrude the first clamping block 55 and the second clamping block 56 any more, the first clamping block 55 and the second clamping block 56 expand outwards under the action of the scroll spring 54, the air cylinder 42 is closed by the staff after the push plate 43 resets, and then the sliding U-shaped block 62 is clamped on the elastic clamping pin 67, finally, the twisted material plate 9 is removed.
Example 2
On the basis of embodiment 1, as shown in fig. 1 and 7, the automatic material changing device further comprises a material changing mechanism 8, wherein the material changing mechanism 8 comprises hook plates 81, sliding blocks 82 and pull rods 83, the sliding blocks 82 are arranged on the left side and the right side of the sliding bracket 34 in a sliding manner, the top parts of the two sliding blocks 82 are connected with the hook plates 81, and the pull rods 83 are connected between the front sides of the two hook plates 81.
When the worker puts the material plate 9 on the fixed limiting frame 32, the material plate 9 is also placed on the hook plate 81, the worker pulls the pull rod 83 forwards, the pull rod 83 drives the hook plate 81 to move forwards, the hook plate 81 pulls out the twisted material plate 9, then a new material plate 9 is placed on the hook plate 81, the pull rod 83 is pushed backwards, the pull rod 83 drives the hook plate 81 to move backwards, the material plate 9 is moved to the fixed limiting frame 32, the worker can conveniently replace the material plate 9, and the efficiency is improved.
The present application is described in detail above, and the principles and embodiments of the present application are described herein by using specific examples, which are only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (8)
1. The utility model provides a device of crumpling for metal art stair railing, characterized by including:
the device comprises a bottom plate (1) and supporting seats (2), wherein two sides of the bottom plate (1) are fixedly connected with the two supporting seats (2);
the placing component (3), the placing component (3) is arranged in the middle of the top of the bottom plate (1);
the limiting mechanism (4), the limiting mechanism (4) is installed on the top of the bottom plate (1);
the clamping mechanism (5), the said clamping mechanism (5) is mounted on said placing assembly (3);
the trigger mechanism (6), the said trigger mechanism (6) is mounted to the top of the said bottom plate (1);
the torsion mechanism (7), trigger mechanism (6) are all installed to bottom plate (1) top both sides, clamping mechanism (5) with trigger mechanism (6) cooperation.
2. Twisting device for metal art staircase columns according to claim 1, characterised in that the resting assembly (3) comprises:
the base (31), the said base (31) is fixedly connected to the middle of the top of the said bottom plate (1);
the fixed limiting frame (32), the fixed limiting frame (32) is fixedly connected to the upper side of the base (31);
the slide rail seat (33) is fixedly connected to two sides of the top of the base (31);
the sliding brackets (34) are arranged between the sliding rail seats (33) in a sliding manner;
a support spring (35), the support spring (35) being connected between the sliding bracket (34) and the rail seat (33).
3. The twisting device for metal art staircase columns according to claim 2, characterized in that the stop means (4) comprise:
the first fixing frame (41), the first fixing frame (41) is fixedly connected to the upper side of the bottom plate (1);
a cylinder (42), wherein the cylinder (42) is arranged at the upper part of the first fixing frame (41);
the two sides of the top of the bottom plate (1) are both arranged on the guide rail frame (46);
the push plate (43) is arranged between the guide rail frames (46) in a sliding mode, and an expansion rod of the air cylinder (42) is in contact with the push plate (43);
the elastic limiting frame (44), the elastic limiting frame (44) is arranged on the lower side of the push plate (43) in a sliding manner;
the extrusion frame (45), the said extrusion frame (45) is affixed to the side of the said push pedal (43);
a first return spring (47), the first return spring (47) being connected between the push plate (43) and the rail bracket (46).
4. A twisting device for metal art staircase columns according to claim 3, characterised in that the clamping means (5) comprise:
the two sides of the top of the base (31) are provided with at least two fixed ring frames (51);
the hollow mounting ring (52) is rotatably connected between the fixed ring frames (51) on the same side;
the fixed shaft (53), the said fixed shaft (53) is fixedly connected to the middle part of the said hollow mounting ring (52);
the clamping device comprises a first clamping block (55) and a second clamping block (56), wherein the first clamping block (55) and the second clamping block (56) are connected to the fixed shaft (53) in a rotating mode, and the first clamping block (55) is matched with the second clamping block (56);
the scroll spring (54) is arranged between the first clamping block (55) and the fixed shaft (53), and the scroll spring (54) is also arranged between the second clamping block (56) and the fixed shaft (53).
5. Twisting device for metal art staircase columns according to claim 4, characterised in that the triggering mechanism (6) comprises:
the guide blocks (61) are symmetrically arranged on the upper side and the lower side in the hollow mounting ring (52); a sliding U-shaped block (62), wherein the sliding U-shaped block (62) is arranged between the guide blocks (61) in a sliding manner;
the fixing plate (63), the said fixing plate (63) is affixed to the inboard wall of the said hollow mounting ring (52);
a second return spring (64), said second return spring (64) being connected between said fixed plate (63) and said sliding U-shaped block (62);
the outer sides of the sliding U-shaped blocks (62) are respectively and rotatably connected with the connecting shafts (65);
the outer ends of the connecting shafts (65) are connected with inclined plane ejector blocks (66);
the inner sides of the inclined plane top blocks (66) are provided with elastic clamping pins (67) in a sliding manner, and the elastic clamping pins (67) are clamped on the sliding U-shaped blocks (62);
the two sides of the bottom of the push plate (43) are fixedly connected with the extrusion blocks (68);
the positioning frame (69), the both sides of bottom plate (1) top all are connected with positioning frame (69).
6. Twisting device for metal art staircase columns according to claim 5, characterised in that the twisting means (7) comprise:
the side surface of the extrusion block (68) on one side of the convex plate (71) is fixedly connected with the convex plate (71);
the trigger switch (72) is installed on one side of the top of the bottom plate (1);
the second fixing frame (73), the second fixing frame (73) is fixedly connected to one side, close to the trigger switch (72), of the bottom plate (1);
the low-speed motor (74), the low-speed motor (74) is installed on the second fixing frame (73), and the low-speed motor (74) is electrically connected with the trigger switch (72);
the top of the bottom plate (1) is uniformly connected with at least four fixing ring sleeves (78) at intervals;
the transmission shaft (75) is rotatably connected between the fixed ring sleeves (78) on one side of the transmission shaft (75), the transmission shaft (75) is rotatably connected between the fixed ring sleeves (78) on the other side of the transmission shaft, and one transmission shaft (75) is fixedly connected with an output shaft of the low-speed motor (74);
the transmission gears (76) are mounted on the transmission shafts (75);
the outer sides of the hollow mounting rings (52) are provided with gear rings (77), and the gear rings (77) are meshed with the transmission gear (76);
a reverse gear set (79), and a reverse gear set (79) is arranged between the transmission shafts (75).
7. The twisting device for metal art staircase columns according to claim 6, characterized in that it further comprises a reloading mechanism (8), the reloading mechanism (8) comprising:
the two sides of the sliding bracket (34) are both provided with sliding blocks (82) in a sliding manner;
the sliding blocks (82), the sliding blocks (82) are all fixedly connected with hook plates (81);
and the pull rod (83) is fixedly connected between the hook plates (81).
8. Twisting device for metal art staircase columns according to claim 5, characterized in that the second return spring (64) is a compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011476638.4A CN112718986B (en) | 2020-12-15 | 2020-12-15 | Twisting device for metal art stair post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011476638.4A CN112718986B (en) | 2020-12-15 | 2020-12-15 | Twisting device for metal art stair post |
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| Publication Number | Publication Date |
|---|---|
| CN112718986A true CN112718986A (en) | 2021-04-30 |
| CN112718986B CN112718986B (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011476638.4A Active CN112718986B (en) | 2020-12-15 | 2020-12-15 | Twisting device for metal art stair post |
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| CN (1) | CN112718986B (en) |
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| CN111036742A (en) * | 2019-12-31 | 2020-04-21 | 无锡万锡机械有限公司 | Aluminum support twisting device |
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| CN112718986B (en) | 2022-11-04 |
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