CN214349272U - Steel bar shearing device - Google Patents
Steel bar shearing device Download PDFInfo
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- CN214349272U CN214349272U CN202022728138.7U CN202022728138U CN214349272U CN 214349272 U CN214349272 U CN 214349272U CN 202022728138 U CN202022728138 U CN 202022728138U CN 214349272 U CN214349272 U CN 214349272U
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- shearing
- hydraulic cylinder
- supporting seat
- arm
- rotating shaft
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Abstract
The utility model belongs to the technical field of hoop bending machine, a reinforcing bar shearing mechanism is disclosed, including supporting seat, stationary knife, shearing arm, activity sword and pneumatic cylinder. Wherein, stationary knife fixed mounting is on the supporting seat, and the shearing arm rotates to be installed on the supporting seat, and movable knife fixed mounting is in the one end of shearing arm, and the cylinder body of pneumatic cylinder rotates to be connected in the supporting seat, and the output of pneumatic cylinder rotates to be connected in the other end of shearing arm. The utility model discloses in, the pneumatic cylinder is cuted the stirrup through shearing arm drive activity sword, and overall structure is simple compact, and transmission process safe and reliable makes and maintains low cost, and the pneumatic cylinder is flexible fast, and when shearing the stirrup, machining efficiency is high.
Description
Technical Field
The utility model relates to a hoop bending machine technical field especially relates to a reinforcing bar shearing mechanism.
Background
The steel bar hoop bending machine is steel bar processing equipment for automatically bending steel bars, a shearing device on a hoop of the steel bar hoop bending machine is used for shearing and blanking a bent and formed stirrup, the last engineering is used for processing the steel bars, the processing quality and the processing efficiency of the stirrup are directly influenced, and in the existing shearing device, a movable knife is driven by a transmission mechanism such as a motor, the structure is complex, the cost is high, and the processing efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reinforcing bar shearing mechanism, simple structure, machining efficiency is high.
To achieve the purpose, the utility model adopts the following technical proposal:
a rebar shearing device comprising:
a supporting seat;
the fixed knife is fixedly arranged on the supporting seat;
the shearing arm is rotatably arranged on the supporting seat;
the movable knife is fixedly arranged at one end of the shearing arm;
the cylinder body of the hydraulic cylinder is rotationally connected with the supporting seat, and the output end of the hydraulic cylinder is rotationally connected with the other end of the shearing arm.
Preferably, the cylinder body of pneumatic cylinder through first adapter with the supporting seat rotates to be connected, first adapter includes:
the two vertical plates are parallel to each other and fixedly connected to the supporting seat at intervals, and first switching holes are formed in the vertical plates;
the first joint is fixedly connected to the cylinder body of the hydraulic cylinder and extends into the space between the two vertical plates, and a second switching hole is formed in the first joint;
the first rotating shaft penetrates through the two first transfer holes and the second transfer hole.
Preferably, the output end of the hydraulic cylinder is connected with the shearing arm in a rotating manner through a second adapter, and the second adapter comprises:
the second joint is fixedly connected to the output end of the hydraulic cylinder, a transfer groove is formed in the second joint, a third transfer hole is formed in each of two side walls of the transfer groove, a fourth transfer hole is formed in the shearing arm, and the shearing arm extends into the transfer groove;
and the second rotating shaft penetrates through the two third switching holes and the fourth switching hole.
Preferably, the shearing arm comprises a swing arm part and a shearing part connected to one end of the swing arm part, the output end of the hydraulic cylinder is rotatably connected to the other end of the swing arm part, and the movable knife is fixedly mounted on the shearing part.
Preferably, the swing arm further comprises a third rotating shaft, the thickness of the swing arm part is smaller than that of the shearing part, a fifth switching hole penetrating along the thickness direction is formed in the shearing part, the third rotating shaft penetrates through the fifth switching hole and is fixedly connected to the supporting seat, and the shearing part is rotatably connected to the supporting seat through the third rotating shaft.
Preferably, the width of the swing arm portion gradually decreases from the end connected to the cutting portion to the end away from the cutting portion.
Preferably, a discharging channel is arranged on the shearing arm, and stirrups sheared by the movable knife and the fixed knife are led out through the discharging channel.
Preferably, the discharging channel is provided with a guide-out surface, and the guide-out surface gradually decreases from one side facing the fixed knife to one side far away from the fixed knife.
Preferably, the hydraulic cylinder is a single-acting cylinder, and an elastic reset piece is connected between the cylinder body and the output end of the hydraulic cylinder.
Preferably, the hydraulic cylinder is a double acting cylinder.
The utility model has the advantages that:
the hydraulic cylinder drives the movable knife to shear the stirrups through the shearing arm, the whole structure is simple and compact, the transmission process is safe and reliable, the manufacturing and maintenance cost is low, the hydraulic cylinder is high in stretching speed, and the machining efficiency is high when the stirrups are sheared.
Drawings
Fig. 1 is a front view of a reinforcing bar shearing apparatus according to a first embodiment of the present invention;
fig. 2 is a top view of a reinforcing bar shearing apparatus according to a first embodiment of the present invention;
fig. 3 is a side view of an initial state of a bar shearing apparatus according to a first embodiment of the present invention;
fig. 4 is a side view of a shearing state of a steel bar shearing device according to a first embodiment of the present invention;
fig. 5 is a partial sectional view of a part of a structure of a bar shearing apparatus according to a first embodiment of the present invention;
fig. 6 is a top view of a reinforcing bar shearing apparatus according to a second embodiment of the present invention;
fig. 7 is a partial sectional view of a part of the structure of a bar shearing apparatus according to a second embodiment of the present invention.
In the figure:
1. a supporting seat;
2. fixing a knife;
3. a shear arm; 31. a swing arm part; 32. a shearing section; 33. leading out the noodles;
4. a movable knife;
5. a hydraulic cylinder;
6. a first adapter; 61. a vertical plate; 62. a first joint; 63. a first rotating shaft;
7. a second adapter; 71. a second joint; 72. a second rotating shaft;
8. a third rotating shaft;
9. an elastic reset member;
10. and (7) briquetting.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts throughout, or parts having the same or similar functions. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and can include, for example, fixed or removable connections, mechanical or electrical connections, direct connections, indirect connections through an intermediary, communication between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with 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.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Example one
As shown in fig. 1 to 5, the present embodiment provides a steel bar shearing apparatus, which includes a supporting base 1, a fixed knife 2, a shearing arm 3, a movable knife 4 and a hydraulic cylinder 5. Wherein, stationary knife 2 fixed mounting is on supporting seat 1, and shearing arm 3 rotates and installs on supporting seat 1, and movable knife 4 fixed mounting is in the one end of shearing arm 3, and pneumatic cylinder 5's cylinder body rotates to be connected in supporting seat 1, and pneumatic cylinder 5's output rotates to be connected in the other end of shearing arm 3.
The utility model discloses in, pneumatic cylinder 5 is cuted the stirrup through 3 drive movable knives 4 of shearing arm, and overall structure is simple compact, and transmission process safe and reliable makes and maintains low cost, and pneumatic cylinder 5 is flexible fast, and when cuting the stirrup, machining efficiency is high.
Alternatively, the cylinder body of the hydraulic cylinder 5 is rotatably connected with the supporting seat 1 through a first adapter 6, and the first adapter 6 comprises two vertical plates 61, a first joint 62 and a first rotating shaft 63. Wherein, two risers 61 are parallel to each other and the interval links firmly in supporting seat 1, are provided with first switching hole on the riser 61, and first joint 62 links firmly in the cylinder body of pneumatic cylinder 5, stretches into between two risers 61, is provided with the second switching hole on the first joint 62, and first pivot 63 is worn to locate in two first switching holes and a second switching hole. Above-mentioned setting for pneumatic cylinder 5 is more steady reliable in the rotation on supporting seat 1.
Specifically, the output end of the hydraulic cylinder 5 is rotatably connected with the shear arm 3 through a second adapter 7, and the second adapter 7 comprises a second joint 71 and a second rotating shaft 72. The second joint 71 is fixedly connected to the output end of the hydraulic cylinder 5, a transfer groove is formed in the second joint 71, a third transfer hole is formed in each of two side walls of the transfer groove, a fourth transfer hole is formed in the shearing arm 3, the shearing arm 3 extends into the transfer groove, and the second rotating shaft 72 penetrates through the two third transfer holes and the fourth transfer hole. By the arrangement, the hydraulic cylinder 5 and the shearing arm 3 can be switched safely and reliably.
Alternatively, the shear arm 3 includes a swing arm portion 31 and a shear portion 32 connected to one end of the swing arm portion 31, the output end of the hydraulic cylinder 5 is rotatably connected to the other end of the swing arm portion 31, and the movable blade 4 is fixedly mounted on the shear portion 32. The arrangement described above makes the construction of the shear arm 3 more reliable.
In this embodiment, the swing arm 31 is plate-shaped, and has a fourth transfer hole at one end, and extends into the transfer groove to be rotatably connected to the output end of the hydraulic cylinder 5 through the second joint 71 and the second rotating shaft 72.
Specifically, reinforcing bar shearing mechanism still includes third pivot 8, and the thickness of pendulum arm portion 31 is less than the thickness of shearing part 32, is provided with the fifth switching hole that link up along the thickness direction on the shearing part 32, and third pivot 8 wears to locate in the fifth switching hole and links firmly in supporting seat 1, and shearing part 32 rotates through third pivot 8 and connects in supporting seat 1. The thickness of the cutting portion 32 is thicker than that of the swing arm portion 31, so that the movable knife 4 can be supported to apply force, and the whole cutting arm 3 can be supported to rotate.
More specifically, the width of the swing arm portion 31 gradually decreases from the end connected to the cutout portion 32 to the end away from the cutout portion 32. The arrangement makes the stress of the swing arm part 31 more safe and reliable on the basis of saving materials.
In the present embodiment, the distance between the movable blade 4 and the third rotating shaft 8 is smaller than the distance between the third rotating shaft 8 and the second rotating shaft 72. The arrangement utilizes the principle of the lever and has the effect of boosting.
Optionally, a discharging channel is arranged on the shearing arm 3, and the stirrups sheared by the movable knife 4 and the fixed knife 2 are led out through the discharging channel.
In this embodiment, the discharging channel is disposed on the shearing portion 32 and is a notch at the edge of the shearing portion 32.
Specifically, the discharging channel is provided with a leading-out surface 33, and the leading-out surface 33 gradually decreases from the side facing the fixed knife 2 to the side far away from the fixed knife 2. Above-mentioned setting for the stirrup of shearing the blanking can be derived from discharging channel under self action of gravity.
In this embodiment, the hydraulic cylinder 5 is a double acting cylinder, the piston rod of which can be controlled to extend and retract automatically without the aid of external devices.
Specifically, the first rotating shaft 63 has two shaft sections which are connected and have different diameters, the end of the shaft section with the smaller diameter is connected with a cotter pin after passing through two first transfer holes and one second transfer hole, and the shaft section with the larger diameter is positioned outside the first transfer hole on one side; the second rotating shaft 72 has two shaft sections which are connected and have different diameters, the end of the shaft section with the smaller diameter is connected with a cotter pin after passing through the two third transfer holes and the fourth transfer hole, and the shaft section with the larger diameter is positioned on the outer side of the third transfer hole on one side.
Alternatively, the supporting seat 1 is provided with a mounting groove, the fixed blade 2 is in a cylindrical shape, and the steel bar can pass through the cylindrical fixed blade 2 by being fixed in the mounting groove through the pressing block 10. The setting of 2 tube-shapes of stationary knife has improved life, when the blade of one side in a section of thick bamboo damages, only need rotate stationary knife 2 can, need not the whole change.
Specifically, the pressing block 10 is connected to the support base 1 by a bolt, and covers a portion of the notch of the mounting groove, so that a portion of the stationary blade 2 is exposed. Above-mentioned setting for when rotating stationary knife 2, only need loosen the bolt soon, stir the part that stationary knife 2 exposes can, need not to demolish the bolt and take off briquetting 10 and stationary knife 2, improved maintenance efficiency.
In this embodiment, the supporting base 1 includes a bottom plate and a plurality of supporting plates vertically fixed on the bottom plate, the stationary knife 2 is installed on the supporting plate, the shearing arm 3 is rotatably connected to the supporting plate, and the vertical plate 61 in the first adapter 6 is vertically fixed on the bottom plate.
Example two
As shown in fig. 6 and 7, the present embodiment provides a bar shear apparatus, which is different from the first embodiment in that: the hydraulic cylinder 5 is a single-acting cylinder. Because the piston rod of the single-acting cylinder can only extend out and can not retract, and does not have a reset function, an elastic reset piece 9 is connected between the cylinder body and the output end of the hydraulic cylinder 5, and reset is carried out through the elastic reset piece 9.
In this embodiment, the elastic restoring member 9 is a spring, and compared with the first embodiment, the lengths of the first rotating shaft 63 and the second rotating shaft 72 are longer, annular grooves are provided on the first rotating shaft 63 and the second rotating shaft 72, and two ends of the spring are hooked in the two annular grooves in a one-to-one correspondence manner.
Specifically, the first rotating shaft 63 has two shaft sections which are connected and have different diameters, the end of the shaft section with the smaller diameter is connected with a cotter pin after passing through two first transfer holes and one second transfer hole, and the shaft section with the larger diameter is positioned on the outer side of the first transfer hole on one side and is provided with an annular groove; the second rotating shaft 72 has two shaft sections which are connected and have different diameters, the end part of the shaft section with the smaller diameter penetrates through the two third transfer holes and the fourth transfer hole and then is connected with a split pin, and the shaft section with the larger diameter is positioned on the outer side of the third transfer hole on one side and is provided with an annular groove.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A bar shearing apparatus, comprising:
a support base (1);
the fixed knife (2) is fixedly arranged on the supporting seat (1);
the shearing arm (3) is rotatably arranged on the supporting seat (1);
the movable knife (4) is fixedly arranged at one end of the shearing arm (3);
the hydraulic cylinder body of the hydraulic cylinder (5) is rotatably connected to the supporting seat (1), and the output end of the hydraulic cylinder (5) is rotatably connected to the other end of the shearing arm (3).
2. A reinforcing bar shearing device as defined in claim 1, wherein the cylinder body of said hydraulic cylinder (5) is rotatably connected to said supporting base (1) by means of a first adapter (6), said first adapter (6) comprising:
the two vertical plates (61) are parallel to each other and fixedly connected to the supporting seat (1) at intervals, and a first switching hole is formed in each vertical plate (61);
the first joint (62) is fixedly connected to the cylinder body of the hydraulic cylinder (5) and extends into the space between the two vertical plates (61), and a second switching hole is formed in the first joint (62);
and the first rotating shaft (63) is arranged in the two first switching holes and the second switching hole in a penetrating manner.
3. A reinforcement shearing device according to claim 1, characterized in that the output of the hydraulic cylinder (5) is rotatably connected to the shearing arm (3) by means of a second adapter (7), the second adapter (7) comprising:
the second joint (71) is fixedly connected to the output end of the hydraulic cylinder (5), a transfer groove is formed in the second joint (71), a third transfer hole is formed in each of two side walls of the transfer groove, a fourth transfer hole is formed in the shearing arm (3), and the shearing arm (3) extends into the transfer groove;
and the second rotating shaft (72) is arranged in the two third switching holes and the fourth switching hole in a penetrating manner.
4. A reinforcing bar shearing apparatus as defined in claim 1, wherein said shearing arm (3) comprises a swing arm portion (31) and a shearing portion (32) connected to one end of said swing arm portion (31), an output end of said hydraulic cylinder (5) is rotatably connected to the other end of said swing arm portion (31), and said movable knife (4) is fixedly mounted on said shearing portion (32).
5. A steel bar shearing device as claimed in claim 4, further comprising a third rotating shaft (8), wherein the thickness of the swing arm part (31) is smaller than that of the shearing part (32), a fifth switching hole penetrating along the thickness direction is formed in the shearing part (32), the third rotating shaft (8) penetrates through the fifth switching hole and is fixedly connected to the supporting seat (1), and the shearing part (32) is rotatably connected to the supporting seat (1) through the third rotating shaft (8).
6. A reinforcing bar shearing device as defined in claim 5, wherein said swing arm portion (31) has a width gradually decreasing from an end connected to said shearing portion (32) to an end facing away from said shearing portion (32).
7. A reinforcing bar shearing device according to claim 1, characterized in that a discharge channel is arranged on the shearing arm (3), and stirrups sheared by the movable knife (4) and the fixed knife (2) are led out through the discharge channel.
8. A rebar shearing device as claimed in claim 7, wherein said tapping channel is provided with a lead-out surface (33), said lead-out surface (33) being gradually lowered from a side facing said fixed blade (2) to a side remote from said fixed blade (2).
9. A rebar shearing device as defined in any one of claims 1 to 8, wherein the hydraulic cylinder (5) is a single-acting cylinder, and an elastic return member (9) is connected between the cylinder body and the output end of the hydraulic cylinder (5).
10. A reinforcement shearing device according to any one of claims 1 to 8, characterized in that the hydraulic cylinder (5) is a double acting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728138.7U CN214349272U (en) | 2020-11-23 | 2020-11-23 | Steel bar shearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728138.7U CN214349272U (en) | 2020-11-23 | 2020-11-23 | Steel bar shearing device |
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| Publication Number | Publication Date |
|---|---|
| CN214349272U true CN214349272U (en) | 2021-10-08 |
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|---|---|---|---|
| CN202022728138.7U Active CN214349272U (en) | 2020-11-23 | 2020-11-23 | Steel bar shearing device |
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| CN (1) | CN214349272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453282A (en) * | 2020-11-23 | 2021-03-09 | 建科机械（天津）股份有限公司 | Shearing mechanism |
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2020
- 2020-11-23 CN CN202022728138.7U patent/CN214349272U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453282A (en) * | 2020-11-23 | 2021-03-09 | 建科机械（天津）股份有限公司 | Shearing mechanism |
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