CN112620556A - Traction device and automatic steel bar hoop bending machine - Google Patents
Traction device and automatic steel bar hoop bending machine Download PDFInfo
- Publication number
- CN112620556A CN112620556A CN202011438131.XA CN202011438131A CN112620556A CN 112620556 A CN112620556 A CN 112620556A CN 202011438131 A CN202011438131 A CN 202011438131A CN 112620556 A CN112620556 A CN 112620556A
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- traction
- wheel
- driving mechanism
- sliding block
- supporting plate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 238000005452 bending Methods 0.000 title abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 17
- 239000003638 chemical reducing agent Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F43/00—Making bands, e.g. bracelets, or wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F23/00—Feeding wire in wire-working machines or apparatus
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to the technical field of steel bar processing equipment, and discloses a traction device and an automatic steel bar hoop bending machine. The traction device comprises a supporting component, an upper traction component, a lower traction component and a pressing component, wherein the supporting component comprises a supporting box body and a supporting plate fixedly arranged on the upper part of the supporting box body; the upper traction assembly comprises an upper wheel fixing piece and an upper traction wheel, the upper wheel fixing piece is arranged on the supporting plate in a vertically sliding mode, and the upper traction wheel is rotatably arranged on the upper wheel fixing piece; the lower traction assembly comprises a first driving mechanism, a lower feeding shaft and a lower traction wheel, the first driving mechanism is arranged in the supporting box body, the lower feeding shaft is in transmission connection with the first driving mechanism, and the lower traction wheel is arranged on the lower feeding shaft; the pressing assembly comprises a second driving mechanism, the second driving mechanism is fixed on the supporting plate, and the output end of the second driving mechanism is connected with the upper wheel fixing piece. The invention has simple structure and convenient operation and control, improves the working efficiency of the equipment and reduces the manufacturing and maintenance cost of the equipment.
Description
Technical Field
The invention relates to the technical field of steel bar processing equipment, in particular to a traction device and an automatic steel bar hoop bending machine.
Background
The automatic hoop bending machine for the reinforcing steel bars is automatic reinforcing steel bar processing equipment for automatically bending the reinforcing steel bars, along with the rapid development of economic construction, the automatic hoop bending machine for the reinforcing steel bars is more and more widely applied, and the market has higher and higher performance requirements on the automatic hoop bending machine for the reinforcing steel bars. How to optimize the structure and reduce the cost becomes a key problem to be solved at present.
The traction device on the existing automatic hoop bending machine for the reinforcing steel bars is generally double-wheel traction, and an upper wheel and a lower wheel are adopted to simultaneously drive the reinforcing steel bars to be fed. The traction device makes the structure of the reinforcing steel bar hoop bending machine very complex, and the operation and the control are very complicated and inconvenient, so that the working efficiency of the equipment is limited, and the manufacturing cost and the maintenance cost of the equipment are greatly increased.
Therefore, a traction device and an automatic steel bar hoop bending machine are needed to solve the above problems.
Disclosure of Invention
Based on the above, the invention aims to provide a traction device and an automatic steel bar hoop bending machine, so as to simplify the structure of the conventional traction device, improve the performance of equipment and reduce the cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
a draft gear, comprising:
the supporting assembly comprises a supporting box body and a supporting plate fixedly arranged on the upper part of the supporting box body;
the upper traction assembly comprises an upper wheel fixing piece and an upper traction wheel, the upper wheel fixing piece is arranged on the supporting plate in a vertically sliding mode, and the upper traction wheel is arranged on the upper wheel fixing piece;
the lower traction assembly comprises a first driving mechanism, a lower feeding shaft and a lower traction wheel, the first driving mechanism is arranged in the supporting box body, the lower feeding shaft is in transmission connection with the first driving mechanism, and the lower traction wheel is arranged on the lower feeding shaft;
and the pressing assembly comprises a second driving mechanism, the second driving mechanism is fixed on the supporting plate, and the output end of the second driving mechanism is connected with the upper wheel fixing piece and used for driving the upper traction wheel to move towards the direction close to the lower traction wheel so as to clamp the steel bar to be processed between the upper traction wheel and the lower traction wheel.
As a preferred scheme of the traction device, the first driving mechanism comprises a motor and a speed reducer in transmission connection with the motor, the motor and the speed reducer are both arranged in the supporting box body, and the speed reducer is in transmission connection with the lower feeding shaft.
As a preferred scheme of the traction device, the lower traction assembly further comprises a mounting flange and a tensioning sleeve, the mounting flange is fixed at the end part of the lower feeding shaft through the tensioning sleeve, and the lower traction wheel is mounted on the mounting flange.
As a preferable aspect of the traction apparatus, the upper wheel fixing member includes:
the sliding block is provided with first sliding grooves on two sides, the supporting plate is provided with second sliding grooves, and the first sliding grooves are matched with the second sliding grooves, so that the sliding block can slide up and down along the supporting plate;
the upper traction wheel is arranged on the upper wheel shaft, and the stepped shaft is fixedly connected with the sliding block.
As a preferable scheme of the traction device, the traction device further comprises an elastic resetting piece, the elastic resetting piece is arranged between the sliding block and the supporting plate, and the elastic resetting piece has a tendency of enabling the upper traction wheel to move in a direction away from the lower traction wheel.
As a preferred scheme of the traction device, the bottom of the sliding block is provided with a first mounting hole, one end of the elastic resetting piece is mounted in the first mounting hole, and the other end of the elastic resetting piece abuts against the bottom of the second sliding groove of the supporting plate.
As a draw gear's preferred scheme, the second mounting hole has been seted up at the top of sliding block, install the bolster in the second mounting hole, second actuating mechanism's output passes through the bolster with the sliding block is connected.
As a preferred scheme of the traction device, the elastic reset piece is a compression spring, and the buffer piece is a disc spring.
As a preferred scheme of the traction device, the second driving mechanism is an oil cylinder, the oil cylinder is installed on an oil cylinder installation plate, and the oil cylinder installation plate is connected above the support plate.
An automatic hoop bending machine for reinforcing steel bars comprises the traction device in any scheme.
The invention has the beneficial effects that:
according to the traction device provided by the invention, the upper wheel fixing piece is slidably arranged on the supporting plate, and the upper wheel fixing piece and the upper traction wheel are driven to move downwards together through the pressing assembly, so that a steel bar to be processed is clamped between the upper traction wheel and the lower traction wheel; and then the first driving mechanism drives the lower traction wheel to rotate, so that the traction operation of the steel bar to be processed is realized. Compared with the traction device of the existing automatic steel bar hoop bending machine, the single-wheel drive type steel bar hoop bending machine adopts single-wheel drive, reduces a group of driving mechanisms, greatly simplifies the structure of the traction device, is convenient to operate and control, improves the working efficiency of equipment, and reduces the manufacturing cost and the maintenance cost of the equipment.
According to the automatic hoop bending machine for the reinforcing steel bars, the reinforcing steel bars can be driven to move to the designated position through the traction device to be bent, and the processing of the reinforcing steel bars is realized; and the automatic hoop bending machine for the reinforcing steel bars also has the advantages of simple structure and low cost.
Drawings
FIG. 1 is a front view of a pulling apparatus (with rebar in compression) provided by an embodiment of the invention;
FIG. 2 is a front view of a pulling apparatus (with the rebar in a relaxed state) provided by an embodiment of the invention;
FIG. 3 is a left side view of the draft gear shown in FIG. 1;
FIG. 4 is a left side view of the draft gear shown in FIG. 2;
fig. 5 is a cross-sectional view of the draft gear of fig. 1 taken along the direction a-a.
In the figure:
100. reinforcing steel bars to be processed; 11. supporting the box body; 12. a support plate; 21. an upper wheel securing member; 211. a slider; 2111. a first mounting hole; 2112. a second mounting hole; 212. an upper wheel axle; 213. a stepped shaft; 22. an upper traction wheel; 31. a first drive mechanism; 32. a lower feed shaft; 33. a lower traction wheel; 34. installing a flange; 35. a tensioning sleeve; 41. a second drive mechanism; 42. an oil cylinder mounting plate; 5. an elastic reset member; 6. a buffer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1 to 5, the embodiment of the invention provides a traction device for an automatic reinforcing bar hoop bending machine, which comprises a support assembly, an upper traction assembly, a lower traction assembly and a compaction assembly. The supporting component comprises a supporting box body 11 in a shell-shaped structure and a supporting plate 12 fixedly arranged at the upper part of the supporting box body 11. The upper traction assembly is positioned above the lower traction assembly, and the steel bar 100 to be processed is placed on the lower traction assembly and is positioned between the upper traction assembly and the lower traction assembly. The upper traction assembly specifically comprises an upper wheel fixing member 21 and an upper traction wheel 22, wherein the upper wheel fixing member 21 is slidably mounted on the support plate 12 up and down, and the upper traction wheel 22 is mounted on the upper wheel fixing member 21. The lower traction assembly comprises a first driving mechanism 31, a lower feeding shaft 32 and a lower traction wheel 33, wherein the first driving mechanism 31 is arranged in the supporting box body 11, the lower feeding shaft 32 is in transmission connection with the first driving mechanism 31, and the lower traction wheel 33 is arranged on the lower feeding shaft 32; the arrangement is such that the first driving mechanism 31 can drive the lower traction wheel 33 to rotate so as to realize the traction feeding of the steel bar 100 to be processed. The pressing assembly comprises a second driving mechanism 41, the second driving mechanism 41 is fixed on the support plate 12, and an output end of the second driving mechanism 41 is connected with the upper wheel fixing member 21 and is used for driving the upper wheel fixing member 21 to move downwards, so that the upper traction wheel 22 is driven to move towards a direction close to the lower traction wheel 33, and the steel bar 100 to be processed is clamped between the upper traction wheel 22 and the lower traction wheel 33.
According to the traction device provided by the embodiment of the invention, the upper wheel fixing piece 21 and the upper traction wheel 22 are driven to move downwards together through the pressing assembly, so that the steel bar 100 to be processed is clamped between the upper traction wheel 22 and the lower traction wheel 33; and then the first driving mechanism 31 drives the lower traction wheel 33 to rotate, thereby realizing the traction operation of the steel bar 100 to be processed. Compared with the traction device of the existing automatic steel bar hoop bending machine, the upper traction wheel 22 of the embodiment is not provided with a driving mechanism, and only through the single-wheel driving of the lower traction wheel 33, a group of driving mechanisms are reduced, the structure of the traction device is greatly simplified, the operation and the control of the embodiment are convenient, the working efficiency of equipment is improved, and the manufacturing cost and the maintenance cost of the equipment are reduced.
Further, the first driving mechanism 31 of the present embodiment includes a motor and a speed reducer in transmission connection with the motor, both the motor and the speed reducer are installed in the supporting box 11, and the speed reducer is in transmission connection with the lower feeding shaft 32. The present embodiment transmits the power of the motor to the lower feeding shaft 32 through the speed reduction device, thereby realizing the adjustment of the output speed of the first driving mechanism 31 so as to better control the feeding speed of the reinforcing bar 100 to be processed. In this embodiment, the reduction gear is preferably a speed reducer, and the arrangement makes the structure of the traction device more compact and the transmission more stable, and avoids the problems of belt slipping, failure and the like caused by the transmission of belt wheels and chain wheels in the prior art.
Optionally, the lower traction assembly of this embodiment further includes a mounting flange 34 and a tensioning sleeve 35, the mounting flange 34 is fixed to the end of the lower feeding shaft 32 through the tensioning sleeve 35, and the lower traction wheel 33 is mounted on the mounting flange 34. Illustratively, the lower traction wheel 33 may be fixedly coupled to the mounting flange 34 by fastening bolts. The arrangement is simple in structure and firm in connection, and the lower traction wheel 33 can synchronously rotate along with the lower feeding shaft 32.
Optionally, the upper wheel fixing member 21 of this embodiment includes a sliding block 211, an upper wheel shaft 212 and a stepped shaft 213, the sliding block 211 is fixedly connected to the stepped shaft 213, the upper wheel shaft 212 is connected to the stepped shaft 213 in a stepped manner, a diameter of the stepped shaft 213 is larger than a diameter of the upper wheel shaft 212, and the upper traction wheel 22 is rotatably mounted on the upper wheel shaft 212. Further, as shown in fig. 5, the two sides of the sliding block 211 are respectively provided with a first sliding groove, the supporting plate 12 is provided with a second sliding groove, the sliding block 211 is connected to the second sliding groove in a clamping manner, and the sliding block 211 can slide up and down along the supporting plate 12 through the sliding fit of the first sliding groove and the second sliding groove.
Further, the traction apparatus of this embodiment further includes an elastic reset member 5, the elastic reset member 5 is disposed between the sliding block 211 and the supporting plate 12, the elastic reset member 5 has a tendency of making the upper traction wheel 22 move towards the direction away from the lower traction wheel 33, so that when the second driving mechanism 41 stops driving the upper traction wheel 22, the upper traction wheel 22 can move towards the direction away from the lower traction wheel 33 under the effect of the elastic reset member 5, so that the to-be-processed reinforcing steel bar 100 is in a relaxed state, and the to-be-processed reinforcing steel bar 100 can be conveniently taken out. Specifically, the bottom of the sliding block 211 is provided with a first mounting hole 2111, one end of the elastic restoring member 5 is mounted in the first mounting hole 2111, and the other end abuts against the bottom of the second sliding groove of the support plate 12, thereby achieving elastic connection between the sliding block 211 and the support plate 12. Preferably, the elastic restoring member 5 of the present embodiment is a compression spring with simple structure and reliable operation, but in other embodiments, other elastic members may be used, and the present embodiment is not limited thereto.
Optionally, the second driving mechanism 41 of this embodiment is an oil cylinder, and the oil cylinder has the advantages of small volume, large output, stable action, convenient control, and the like. Specifically, the oil cylinder is mounted on an oil cylinder mounting plate 42, and the oil cylinder mounting plate 42 is fixed above the support plate 12, so that the oil cylinder is fixed. Of course, in other embodiments, the second driving mechanism 41 may also be configured by a cylinder, an electric cylinder, a linear motor, or the like, and is not limited to this embodiment.
Further, second mounting hole 2112 has still been seted up at the top of sliding block 211, installs bolster 6 in the second mounting hole 2112, and bolster 6 and sliding block 211 butt are passed through to second actuating mechanism 41's output, so set up, and when second actuating mechanism 41 stretches out and draws back, bolster 6 can play the cushioning effect, prevents that second actuating mechanism 41 from causing the impact to sliding block 211, avoids influencing whole draw gear's stability. Illustratively, the buffer 6 may be a plurality of disc springs, or other elastic structures.
The working principle of the embodiment of the invention is as follows:
when the traction device is in a steel bar conveying state, as shown in fig. 1 and 3, the second driving mechanism 41 extends out to drive the upper wheel fixing member 21 and the upper traction wheel 22 to move downwards, so that the steel bar 100 to be processed is clamped between the upper traction wheel 22 and the lower traction wheel 33; then, the motor of the first driving mechanism 31 rotates to transmit power to the lower feeding shaft 32 through the speed reducer inside the supporting box 11, and further, the lower traction wheel 33 is driven to rotate, so that the steel bar 100 to be processed is conveyed.
When the drawing device is not in the conveying state, as shown in fig. 2 and 4, the motor of the first driving mechanism 31 stops rotating, the second driving mechanism 41 retracts, and the upper wheel fixing member 21 drives the upper drawing wheel 22 to move away from the lower drawing wheel 33 under the elastic force of the elastic restoring member 5, so as to release the rebar 100 to be processed.
The embodiment also provides an automatic hoop bending machine for reinforcing steel bars, which comprises the traction device. According to the automatic steel bar hoop bending machine, the steel bar 100 to be processed is driven to move to the designated position through the traction device driven by the single wheel, so that the steel bar is bent, and the processing of the steel bar is realized; and the automatic hoop bending machine for the steel bars has the advantages of simple structure, low cost, convenience in operation and high working efficiency.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A traction device, comprising:
the supporting assembly comprises a supporting box body (11) and a supporting plate (12) fixedly arranged on the upper part of the supporting box body (11);
the upper traction assembly comprises an upper wheel fixing piece (21) and an upper traction wheel (22), the upper wheel fixing piece (21) is installed on the supporting plate (12) in a vertically sliding mode, and the upper traction wheel (22) is installed on the upper wheel fixing piece (21);
the lower traction assembly comprises a first driving mechanism (31), a lower feeding shaft (32) and a lower traction wheel (33), the first driving mechanism (31) is installed in the supporting box body (11), the lower feeding shaft (32) is in transmission connection with the first driving mechanism (31), and the lower traction wheel (33) is installed on the lower feeding shaft (32);
the pressing assembly comprises a second driving mechanism (41), the second driving mechanism (41) is fixed on the supporting plate (12), the output end of the second driving mechanism (41) is connected with the upper wheel fixing piece (21) and used for driving the upper traction wheel (22) to move towards the direction close to the lower traction wheel (33), so that the steel bar (100) to be processed is clamped between the upper traction wheel (22) and the lower traction wheel (33).
2. A traction device as claimed in claim 1, characterized in that said first drive means (31) comprise an electric motor and a reduction gear in transmission connection with said motor, both of which are mounted in said supporting box (11), said reduction gear being in transmission connection with said lower feed shaft (32).
3. Traction device according to claim 2, characterized in that the lower traction assembly further comprises a mounting flange (34) and a tensioning sleeve (35), the mounting flange (34) being fixed to the end of the lower feed shaft (32) by means of the tensioning sleeve (35), the lower traction wheel (33) being mounted on the mounting flange (34).
4. Traction device according to claim 1, characterized in that said upper wheel-holder (21) comprises:
the sliding block (211), both sides of the sliding block (211) are equipped with the first runner, the supporting plate (12) is equipped with the second runner, the first runner cooperates with the second runner, make the sliding block (211) can slide up and down along the supporting plate (12);
the upper traction wheel (22) is installed on the upper wheel shaft (212), and the stepped shaft (213) is fixedly connected with the sliding block (211).
5. A towing attachment in accordance with claim 4, characterized in that it further comprises an elastic return element (5), said elastic return element (5) being arranged between the sliding block (211) and the supporting plate (12), said elastic return element (5) having a tendency to move the upper towing wheel (22) away from the lower towing wheel (33).
6. The traction device as claimed in claim 5, wherein the sliding block (211) has a first mounting hole (2111) at the bottom, and the elastic return element (5) has one end mounted in the first mounting hole (2111) and the other end abutting against the bottom of the second sliding slot of the supporting plate (12).
7. The traction device as claimed in claim 5, wherein a second mounting hole (2112) is formed in the top of the sliding block (211), a buffer member (6) is mounted in the second mounting hole (2112), and the output end of the second driving mechanism (41) is connected to the sliding block (211) through the buffer member (6).
8. Traction device according to claim 7, characterized in that said elastic return element (5) is a compression spring and said cushioning element (6) is a disc spring.
9. A towing attachment in accordance with any one of claims 1 to 8, characterised in that the second drive means (41) is a cylinder, which is mounted on a cylinder mounting plate (42), which cylinder mounting plate (42) is attached above the support plate (12).
10. An automatic rebar bender, comprising a pulling device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011438131.XA CN112620556A (en) | 2020-12-07 | 2020-12-07 | Traction device and automatic steel bar hoop bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011438131.XA CN112620556A (en) | 2020-12-07 | 2020-12-07 | Traction device and automatic steel bar hoop bending machine |
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| Publication Number | Publication Date |
|---|---|
| CN112620556A true CN112620556A (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011438131.XA Pending CN112620556A (en) | 2020-12-07 | 2020-12-07 | Traction device and automatic steel bar hoop bending machine |
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| Country | Link |
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| CN (1) | CN112620556A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4416460A (en) * | 1981-04-02 | 1983-11-22 | Morris Lionel G | Drive mechanisms |
| CN202162315U (en) * | 2011-05-26 | 2012-03-14 | 苏州嘉鹏钢筋技术有限公司 | Steel bar towing and compacting device |
| CN203091625U (en) * | 2013-01-14 | 2013-07-31 | 桐庐玖谷机械科技有限公司 | Traction device of full-automatic ring-manufacturing machine |
| CN109099137A (en) * | 2018-08-03 | 2018-12-28 | 南京金格尔齿轮箱有限公司 | Extruder gearbox belt wheel load removing device |
| CN214720211U (en) * | 2020-12-07 | 2021-11-16 | 建科机械（天津）股份有限公司 | Reinforcing steel bar traction mechanism and reinforcing steel bar hoop bending machine |
-
2020
- 2020-12-07 CN CN202011438131.XA patent/CN112620556A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4416460A (en) * | 1981-04-02 | 1983-11-22 | Morris Lionel G | Drive mechanisms |
| CN202162315U (en) * | 2011-05-26 | 2012-03-14 | 苏州嘉鹏钢筋技术有限公司 | Steel bar towing and compacting device |
| CN203091625U (en) * | 2013-01-14 | 2013-07-31 | 桐庐玖谷机械科技有限公司 | Traction device of full-automatic ring-manufacturing machine |
| CN109099137A (en) * | 2018-08-03 | 2018-12-28 | 南京金格尔齿轮箱有限公司 | Extruder gearbox belt wheel load removing device |
| CN214720211U (en) * | 2020-12-07 | 2021-11-16 | 建科机械（天津）股份有限公司 | Reinforcing steel bar traction mechanism and reinforcing steel bar hoop bending machine |
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