CN110773684B - System for simultaneously rolling threads at two ends of steel bar - Google Patents
System for simultaneously rolling threads at two ends of steel bar Download PDFInfo
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- CN110773684B CN110773684B CN201910953578.1A CN201910953578A CN110773684B CN 110773684 B CN110773684 B CN 110773684B CN 201910953578 A CN201910953578 A CN 201910953578A CN 110773684 B CN110773684 B CN 110773684B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
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Abstract
The invention discloses a system for simultaneously rolling threads at two ends of a steel bar. The device comprises a base, a thread rolling machine body, a feeding unit and a discharging unit, wherein the thread rolling machine body, the feeding unit and the discharging unit are arranged on the base; a movable bracket is arranged between the fixed thread rolling machine and the sliding thread rolling machine and connected to the base slide rail, and the movable bracket is always kept at 1/2 of the distance between the fixed thread rolling machine and the sliding thread rolling machine. The rigidity of reinforcing bar when this device processing screw thread is motionless, reinforcing bar thread rolling machine adjustment axial position to the adjustment is by the length of processing reinforcing bar, reinforcing bar thread rolling machine simultaneous processing reinforcing bar both ends screw thread, and the reinforcing bar of various specifications is adding man-hour, the axis of reinforcing bar is in the position coaxial with reinforcing bar thread rolling machine axis all the time, can not produce residual stress owing to the mode of tightening in man-hour, this transfer machine is from material input, material loading, processing, unload whole realization automation.
Description
Technical Field
The invention relates to a steel bar processing device, belongs to the field of processing devices, and particularly relates to a system for simultaneously rolling threads at two ends of a steel bar.
Background
The using amount of the reinforcing steel bar for construction is very large. In actual use, when the reinforcing steel bar needs to be lengthened, the welding is the method which is used in the past. The joint will produce the internal stress during steel bar welding certainly, will produce the deformation under the influence of internal stress, has a large amount of steel bar joint among the building, and the deformation that a large amount of steel bar welding joint produced will serious influence building quality.
With the increasing requirements on construction quality, the joint structure of a threaded connection is required to replace a joint of a welding structure in construction, and the purpose is to eliminate internal stress at the joint. Therefore, a special machine tool for processing connecting threads for the end of the reinforcing steel bar for buildings is produced, and the machine tool is generally called a reinforcing steel bar thread rolling machine. However, the existing end machining equipment for the reinforcing steel bar for the building is generally one end machining equipment, so that the machining speed is low, and the manpower is consumed.
Therefore, a steel bar processing device which saves time and labor cost is needed.
Disclosure of Invention
The invention aims to provide a system for simultaneously rolling threads at two ends of a reinforcing steel bar, wherein the position of the reinforcing steel bar is fixed when a device used by the system is used for machining threads, a reinforcing steel bar thread rolling machine is used for adjusting the axial position so as to adjust the length of the machined reinforcing steel bar, the reinforcing steel bar thread rolling machine is used for simultaneously machining an automatic line of threads at two ends of the reinforcing steel bar, the axis of the reinforcing steel bar is always in the position coaxial with the axis of the reinforcing steel bar thread rolling machine when the reinforcing steel bars with various specifications are machined, residual stress cannot be generated due to a tightening mode during machining, and the automatic line realizes automation of material input, feeding, machining and discharging.
In order to achieve the purpose, the system for simultaneously rolling the two ends of the steel bar comprises a base, a screw rolling machine body, a feeding unit and a discharging unit, wherein the screw rolling machine body, the feeding unit and the discharging unit are arranged on the base;
the thread rolling machine body comprises a fixed thread rolling machine fixed on the base and a sliding thread rolling machine connected to a sliding rail of the base; the screw rolling machine body is connected with a motor and a planetary reducer; the end part of the thread rolling machine body is provided with a chuck, and the chuck is provided with a peeling head; the clamping heads are a pair of V-shaped irons; the chuck is driven by a hydraulic system; the base is provided with a reinforcing steel bar shaft end aligning unit which is mainly formed by matching a fixed position baffle on one side with an adjustable position baffle on the other side, the fixed thread rolling machine is provided with the fixed position baffle, and the sliding thread rolling machine is provided with the adjustable position baffle;
a walking bottom plate unit is arranged at the bottom of the sliding thread rolling machine and matched with a sliding rail on the base; the bottom of the movable bracket is also provided with a walking bottom plate unit; a hydraulic system for controlling the walking bottom plate unit to vertically lift is arranged on the walking bottom plate unit; the walking bottom plate unit consists of a base plate and rolling sliding plates arranged at four corners of the base plate respectively, each rolling sliding plate consists of a retainer and a rolling body arranged in the retainer, and the rolling body is made of stainless steel bar materials; the retainer is fixedly arranged on the substrate through a retainer supporting ring; a clamping hydraulic cylinder is arranged between the sliding thread rolling machine and the base, a clamping hydraulic cylinder is arranged between the movable bracket and the base, and a walking preventing component formed by matching the clamping hydraulic cylinder and a T-shaped groove pressing plate is arranged on the walking bottom plate unit;
the discharging unit comprises a discharging baffle and a swinging support rod which are arranged side by side, the discharging baffle is hinged with the swinging support rod through a swinging support rod shaft, the swinging support rod shaft is installed on a swinging support rod base, the discharging baffle and the swinging support rod are L-shaped, the length of the swinging support rod is longer than that of the discharging baffle, and a reinforcing steel bar collecting tank is formed by the swinging support rod which is longer than the discharging baffle.
The holder support ring is a square ring formed by splicing 4 wallboards with the same height, and a back plate is arranged at the top in the square ring; the thickness of the retainer is smaller than the diameter of the rolling body, and the thickness of the back plate is smaller than the height of a retainer supporting ring 8-5; the back plate is connected with a back plate hydraulic cylinder for driving the back plate to move; the highest point of the movement of the backboard driven by the backboard hydraulic cylinder is equal to the height of the retainer support ring.
The steel plates are arranged between the base and the walking bottom plate unit, the number of the steel plates is two, a gap is reserved between the two steel plates which are transversely arranged in parallel, a T-shaped groove is formed between the two steel plates and the base, and a piston rod of the tightening hydraulic cylinder penetrates through the T-shaped groove.
The retainer and the retainer supporting ring are fixedly connected on the base plate through screws.
A stainless steel sheet of a limiting component is arranged on the back plate; the bottom of the retainer is fixedly connected with a stainless steel thin plate through a countersunk rivet, and the height of the stainless steel thin plate is 1 mm.
The swinging support rod is connected with a transmission shaft with a key of the swinging support rod, and the transmission shaft with the key of the swinging support rod is connected with a driving mechanism; the thread rolling machine body comprises a fixed thread rolling machine fixed on the base and a sliding thread rolling machine connected to a sliding rail of the base; a movable bracket is arranged between the fixed thread rolling machine and the sliding thread rolling machine and connected to the base slide rail; and an adjusting cushion block is arranged at the bottom of the steel bar collecting tank.
The swinging support rod is connected with a swinging support rod transmission shaft with a key for controlling the lifting and the descending of the swinging support rod, the lifting height of the swinging support rod is higher than the L-shaped corner of the discharging baffle, and the tail end of the swinging support rod is connected with a storage bin; the moving carriage is always held at 1/2 of the distance between the fixed and sliding thread rollers.
The sliding thread rolling machine and the moving bracket are respectively provided with a laser position distance measuring system and a stepping motor drive; the base is provided with a guide groove, a clamping groove and a driving chain which are matched with the slide rail on the base; a protective cover is arranged between the fixed thread rolling machine and the movable bracket, and a protective cover is arranged between the sliding thread rolling machine and the movable bracket.
The invention discloses a system for simultaneously rolling threads at two ends of a steel bar, which has the beneficial effects that: the device that this system used is the rigidity of reinforcing bar when processing the screw thread, reinforcing bar thread rolling machine adjustment axial position to the adjustment is by the length of processing reinforcing bar, reinforcing bar thread rolling machine simultaneous processing reinforcing bar both ends screw thread transfer machine, and the reinforcing bar of various specifications is adding man-hour, the axis of reinforcing bar is in the position coaxial with reinforcing bar thread rolling machine axis all the time, can not produce residual stress because the mode of tightening that adds man-hour, this transfer machine is from material input, material loading, processing, unload whole realization automation.
Drawings
FIG. 1 is a schematic diagram of the present system;
FIG. 2 is a schematic diagram of the present system;
FIG. 3 is a schematic diagram of the present system;
FIG. 4 is a schematic structural diagram of the present system;
FIG. 5 is a schematic diagram of the present system;
FIG. 6 is a schematic diagram of the present system;
FIG. 7 is a schematic structural diagram of the present system;
FIG. 8 is a schematic structural diagram of the present system;
FIG. 9 is a schematic structural diagram of the present system;
FIG. 10 is a schematic structural view of the present system;
FIG. 11 is a schematic structural view of the present system;
FIG. 12 is a schematic structural diagram of the present system;
FIG. 13 is a schematic structural view of the present system;
FIG. 14 is a schematic structural view of the present system;
in the figure: 1-fixed thread rolling machine, 2-movable bracket, 3-sliding thread rolling machine, 4-base, 5-feeding unit, 6-discharging unit, 6-1-discharging baffle, 6-2-swinging supporting rod, 6-3-adjusting cushion block, 6-4-swinging supporting rod base, 6-5-bin, 6-6-swinging supporting rod transmission shaft with key, 6-7-driving mechanism, 7-reinforcing steel bar shaft end aligning unit, 7-1-fixed position baffle, 7-2-adjustable position baffle, 8-walking bottom plate unit, 8-1-base plate, 8-2-rolling sliding plate, 8-3-retainer, 8-4-rolling body, 8-5-retainer supporting ring, support ring, 8-6-wallboard, 8-7-backboard, 8-8-backboard hydraulic cylinder, 8-9-clamping hydraulic cylinder, 8-10-T-shaped groove pressing plate, 8-11-steel plate, 8-12-stainless steel sheet, 8-13-countersunk head rivet, 9-laser position ranging system, 10-stripping and cutting head, 11-thread rolling machine body and 12-chuck.
Detailed Description
Example 1
As shown in fig. 1-14, the system for simultaneously rolling two ends of a steel bar according to the present invention comprises a base 4, and a thread rolling machine body 11, a loading unit 5, and a unloading unit 6 disposed on the base 4,
the thread rolling machine body 11 comprises a fixed thread rolling machine 1 fixed on a base 4 and a sliding thread rolling machine 3 connected on a sliding rail of the base 4; the thread rolling machine body 11 is connected with a motor and a planetary reducer; the end part of the thread rolling machine body 11 is provided with a chuck 12, and the chuck 12 is provided with a stripping and cutting head 10; the chuck 12 is a pair of V-shaped irons; chuck 12 is driven by a hydraulic system; a reinforcing steel bar shaft end aligning unit 7 is installed on the base 4, the reinforcing steel bar shaft end aligning unit 7 is mainly formed by matching a fixed position baffle 7-1 on one side with an adjustable position baffle 7-2 on the other side, the fixed position baffle 7-1 is arranged on the fixed thread rolling machine 1, and the adjustable position baffle 7-2 is arranged on the sliding thread rolling machine 3;
a walking bottom plate unit 8 is arranged at the bottom of the sliding thread rolling machine 3, and the walking bottom plate unit 8 is matched with a sliding rail on the base 4; the bottom of the movable bracket 2 is also provided with a walking bottom plate unit 8; a hydraulic system for controlling the vertical lifting of the walking bottom plate unit 8 is arranged on the walking bottom plate unit; the walking bottom plate unit 8 consists of a base plate 8-1 and rolling sliding plates 8-2 arranged at four corners of the base plate respectively, each rolling sliding plate 8-2 consists of a retainer 8-3 and a rolling body 8-4 arranged in the retainer 8-3, and the rolling body 8-4 is a stainless steel bar; the retainer 8-3 is fixedly arranged on the base plate 8-1 through a retainer supporting ring 8-5; a clamping hydraulic cylinder 8-9 is arranged between the sliding thread rolling machine 3 and the base 4, a clamping hydraulic cylinder 8-9 is arranged between the movable bracket 2 and the base 4, and a walking preventing component formed by matching the clamping hydraulic cylinder 8-9 with a T-shaped groove pressing plate 8-10 is arranged on the walking bottom plate unit 8;
the discharging unit 6 comprises a discharging baffle 6-1 and a swinging support rod 6-2 which are arranged side by side, the discharging baffle 6-1 is hinged with the swinging support rod 6-2 through a swinging support rod shaft, the swinging support rod shaft is installed on a swinging support rod base 6-4, the discharging baffle 6-1 and the swinging support rod 6-2 are L-shaped, the length of the swinging support rod 6-2 is longer than that of the discharging baffle 6-1, and the swinging support rod 6-2 is longer than that of the discharging baffle 6-1 to form a reinforcing steel bar collecting tank.
The holder support ring 8-5 is a square ring formed by splicing 4 wall plates 8-6 with the same height, and a back plate 8-7 is arranged at the top in the square ring; the thickness of the retainer 8-3 is smaller than the diameter of the rolling body 8-4, and the thickness of the back plate 8-7 is smaller than the height of the retainer supporting ring 8-5; the back plate 8-7 is connected with a back plate hydraulic cylinder 8-8 for driving the back plate 8-7 to move; the highest point of the movement of the backboard 8-7 driven by the backboard hydraulic cylinder 8-8 is equal to the height of the retainer support ring 8-5.
And steel plates 8-11 are arranged between the base 4 and the walking bottom plate unit 8, the number of the steel plates 8-11 is two, a gap is reserved between the two steel plates 8-11 which are transversely arranged in parallel and form a T-shaped groove with the base 4, and a piston rod of the tightening hydraulic cylinder 8-9 penetrates through the T-shaped groove.
The retainer 8-3 and the retainer support ring 8-5 are fixedly connected to the base plate 8-1 through screws.
A stainless steel sheet 8-12 of a limiting component is arranged on the back plate 8-7; the bottom of the retainer 8-3 is fixedly connected with a stainless steel sheet 8-12 through a countersunk rivet 8-13, and the height of the stainless steel sheet 8-12 is 1 mm.
The swing supporting rod 6-2 is connected with a swing supporting rod transmission shaft with a key 6-6, and the swing supporting rod transmission shaft with a key 6-6 is connected with a driving mechanism 6-7; the thread rolling machine body 11 comprises a fixed thread rolling machine 1 fixed on a base 4 and a sliding thread rolling machine 3 connected on a sliding rail of the base 4; a movable bracket 2 is arranged between the fixed thread rolling machine 1 and the sliding thread rolling machine 3, and the movable bracket 2 is connected to a sliding rail of the base 4; and the bottom of the steel bar collecting groove is provided with an adjusting cushion block 6-3.
The swinging support rod 6-2 is connected with a swinging support rod transmission shaft 6-6 with a key for controlling the lifting and the descending of the swinging support rod, the lifting height of the swinging support rod 6-2 is higher than the L-shaped corner of the discharging baffle 6-1, and the tail end of the swinging support rod 6-2 is connected with a stock bin 6-5; the moving carriage 2 is always held at 1/2 of the distance between the fixed thread roller 1 and the sliding thread roller 3.
The sliding thread rolling machine 3 and the moving bracket 2 are respectively provided with a laser position distance measuring system 9 and a stepping motor drive; the base 4 is provided with a guide groove, a clamping groove and a driving chain which are matched with the slide rail on the base; a protective cover is arranged between the fixed thread rolling machine 1 and the movable bracket 2, and a protective cover is arranged between the sliding thread rolling machine 3 and the movable bracket 2.
When the device is used, the device adapts to the length change of a steel bar, the fixed thread rolling machine 1 and the sliding thread rolling machine 3 are arranged, steel plates 8-11 are arranged below the sliding thread rolling machine 3 and are transformed into a walking bottom plate unit 8, and a tightening hydraulic cylinder 8-9 on the walking bottom plate unit 8 does not apply force; the walking bottom plate unit 8 is manufactured by imitating a rolling guide rail, is made of stainless steel bars with the diameter of 30mm, is made of a stainless steel thin plate with the thickness of 29mm to form a retainer 8-3, a back plate 8-7 is arranged above the retainer 8-3, the periphery of the back plate 8-7 is limited in the inner edge of a support ring 8-5 of the retainer, a gap with the thickness of 8mm is reserved above the back plate 8-7, and the back plate 8-7 is driven by a back plate hydraulic cylinder 8-8; the back plate hydraulic cylinder 8-8 drives the back plate 8-7 to be limited on a stainless steel thin plate 8-12 of the retainer 8-3 forming the outer edge of the fixing ring, and the rolling body 8-4 is in contact with a steel plate 8-11 and moves by using a stainless steel bar material;
after the hydraulic thrust is removed, the back plate 8-7 is in a free state, the retainer 8-3 of the walking bottom plate unit 8 is grounded to tighten the hydraulic cylinder 8-9 to apply force, and the walking bottom plate unit 8 is static to ensure that the equipment is stable in working; the feeding unit 5 drives the reinforcing steel bars to be automatically fed, the axial positions of the reinforcing steel bars must be accurately positioned on the device for simultaneously machining threads at two ends of the reinforcing steel bars, therefore, a reinforcing steel bar shaft end aligning unit 7 is arranged in the axial direction of the reinforcing steel bars waiting to enter the machining positions, in the device, one end of the reinforcing steel bar shaft end aligning unit 7 is a fixed position baffle 7-1, the other end of the reinforcing steel bar shaft end aligning unit is an adjustable position baffle 7-2, and the adjustable position baffle 7-2 pushes the reinforcing steel bars to be aligned to the fixed position baffle 7-1, so that the axial positions of the reinforcing steel bars are correct when the threads are machined, and the reinforcing steel bars fall into the positions waiting; the clamp of the reinforcing steel bar thread rolling machine automatically controls hydraulic tightening, the peeling head 10 of the device automatically approaches to a processing position, the peeling head 10 rotates to process threads, when the peeling head 10 stops rotating, the peeling head 10 returns to a starting point along the axial direction, the hydraulic clamp is opened, and the processing is finished; the discharging unit 6 discharges materials; a movable bracket 2 is arranged between the fixed thread rolling machine 1 and the sliding thread rolling machine 3, the movable bracket 2 and the sliding thread rolling machine 3 move along the same track, and the axial position of the movable bracket 2 and the sliding thread rolling machine 3 is always kept between the fixed thread rolling machine 1 and the sliding thread rolling machine 3; the movable bracket 2 supports the reinforcing steel bars to prevent the reinforcing steel bars from sagging; the movable bracket 2 and the unloading unit 6 are provided with a loading inclined guide plate, an unloading fixed baffle plate and an unloading swing deflector rod, and the movable bracket 2 is always supported in the middle of a steel bar during steel bar loading and unloading; the position control of the movable bracket 2 and the sliding thread rolling machine 3 is realized by a laser position distance measuring system, and the reinforcing steel bars are automatically dismounted after being threaded in the device; the length of the swing support rod 6-2 is longer than that of the unloading baffle 6-1, the extending position of one end of the swing support rod 6-2, which is longer than the unloading baffle 6-1, is a reinforcing steel bar collecting tank, the bottom of the reinforcing steel bar collecting tank is provided with an adjusting cushion block 6-3, the swing support rod 6-2 supports the reinforcing steel bar, the adjusting cushion block 6-3 on the device is manually replaced according to the diameter of the steel bar, the tail part of the swing support rod 6-2 turns an angle and is contained in the storage bin 6-5, three swing support rods 6-2 and three swing support rod bases 6-4 matched with the swing support rods are respectively arranged on the fixed thread rolling machine 1, the movable bracket 2 and the sliding thread rolling machine 3, the swing of the swing support rods 6-2 is driven by a common shaft, the common shaft is driven by a hydraulic reciprocating mechanism, and finished products are stored in a storage bin 6-5 to wait for being turned away.
Claims (6)
1. The utility model provides a reinforcing bar both ends system of rolling simultaneously, includes base (4) to and set up thread roller organism (11), material loading unit (5), the unit of unloading (6) on base (4), its characterized in that:
the thread rolling machine body (11) comprises a fixed thread rolling machine (1) fixed on the base (4) and a sliding thread rolling machine (3) connected on a sliding rail of the base (4);
the thread rolling machine body (11) is connected with a motor and a planetary reducer; a chuck (12) is arranged at the end part of the thread rolling machine body (11), and a peeling and cutting head (10) is arranged on the chuck (12); the clamping heads (12) are a pair of V-shaped irons; the chuck (12) is driven by a hydraulic system; a reinforcing steel bar shaft end aligning unit (7) is installed on the base (4), the reinforcing steel bar shaft end aligning unit (7) is mainly formed by matching a fixed position baffle (7-1) on one side with an adjustable position baffle (7-2) on the other side, the fixed position baffle (7-1) is arranged on the fixed thread rolling machine (1), and the adjustable position baffle (7-2) is arranged on the sliding thread rolling machine (3);
a walking bottom plate unit (8) is arranged at the bottom of the sliding thread rolling machine (3), and the walking bottom plate unit (8) is matched with a sliding rail on the base (4); the bottom of the movable bracket (2) is also provided with a walking bottom plate unit (8); a hydraulic system for controlling the vertical lifting of the walking bottom plate unit (8) is arranged on the walking bottom plate unit; the walking bottom plate unit (8) is composed of a base plate (8-1) and rolling sliding plates (8-2) arranged at four corners of the base plate, each rolling sliding plate (8-2) is composed of a retainer (8-3) and rolling bodies (8-4) arranged in the retainers (8-3), and the rolling bodies (8-4) are stainless steel bar materials; the retainer (8-3) is fixedly arranged on the base plate (8-1) through a retainer supporting ring (8-5); a clamping hydraulic cylinder (8-9) is arranged between the sliding thread rolling machine (3) and the base (4), a clamping hydraulic cylinder (8-9) is arranged between the movable bracket (2) and the base (4), and a walking preventing component formed by matching the clamping hydraulic cylinder (8-9) with a T-shaped groove pressing plate (8-10) is arranged on the walking bottom plate unit (8);
the discharging unit (6) comprises a discharging baffle (6-1) and a swinging support rod (6-2) which are arranged side by side, the discharging baffle (6-1) is hinged with the swinging support rod (6-2) through a swinging support rod shaft, the swinging support rod shaft is installed on a swinging support rod base (6-4), the discharging baffle (6-1) and the swinging support rod (6-2) are L-shaped, the length of the swinging support rod (6-2) is longer than that of the discharging baffle (6-1), and the swinging support rod (6-2) is longer than that of the discharging baffle (6-1) to form a reinforcing steel bar collecting tank;
the swing supporting rod (6-2) is connected with a swing supporting rod transmission shaft with a key (6-6), and the swing supporting rod transmission shaft with a key (6-6) is connected with a driving mechanism (6-7); a movable bracket (2) is arranged between the fixed thread rolling machine (1) and the sliding thread rolling machine (3), and the movable bracket (2) is connected to a sliding rail of the base (4); the bottom of the steel bar collecting groove is provided with an adjusting cushion block (6-3);
the swinging support rod (6-2) is connected with a swinging support rod transmission shaft (6-6) with a key for controlling the lifting and descending of the swinging support rod, the lifting height of the swinging support rod (6-2) is higher than that of the L-shaped corner of the discharging baffle (6-1), and the tail end of the swinging support rod (6-2) is connected with a stock bin (6-5); the moving carriage (2) is always kept at 1/2 of the distance between the fixed thread rolling machine (1) and the sliding thread rolling machine (3).
2. The system for simultaneously rolling two ends of a reinforcing steel bar as claimed in claim 1, wherein: the holder support ring (8-5) is a square ring formed by splicing 4 wall plates (8-6) with the same height, and a back plate (8-7) is arranged at the top in the square ring; the thickness of the retainer (8-3) is smaller than the diameter of the rolling body (8-4), and the thickness of the back plate (8-7) is smaller than the height of the retainer supporting ring (8-5); the back plate (8-7) is connected with a back plate hydraulic cylinder (8-8) for driving the back plate (8-7) to move; the highest point of the movement of the back plate (8-7) driven by the back plate hydraulic cylinder (8-8) is equal to the height of the retainer support ring (8-5).
3. The system for simultaneously rolling two ends of a steel bar as claimed in claim 2, wherein: steel plates (8-11) are arranged between the base (4) and the walking bottom plate unit (8), the number of the steel plates (8-11) is two, a gap is reserved between the two steel plates (8-11) which are transversely arranged in parallel, a T-shaped groove is formed between the steel plates and the base (4), and a piston rod of the clamping hydraulic cylinder (8-9) penetrates through the T-shaped groove.
4. The system for simultaneously rolling two ends of a reinforcing steel bar as claimed in claim 3, wherein: the retainer (8-3) and the retainer supporting ring (8-5) are fixedly connected to the base plate (8-1) through screws.
5. The system for simultaneously rolling two ends of a reinforcing steel bar as claimed in claim 4, wherein: a stainless steel sheet (8-12) of a limiting component is arranged on the back plate (8-7); the bottom of the retainer (8-3) is fixedly connected with a stainless steel thin plate (8-12) through a countersunk rivet (8-13), and the height of the stainless steel thin plate (8-12) is 1 mm.
6. The system for simultaneously rolling two ends of a reinforcing steel bar as claimed in claim 5, wherein: the sliding thread rolling machine (3) and the moving bracket (2) are respectively provided with a laser position ranging system (9) and a stepping motor; the base (4) is provided with a guide groove, a clamping groove and a driving chain which are matched with the slide rail on the base; a protective cover is arranged between the fixed thread rolling machine (1) and the movable bracket (2), and a protective cover is arranged between the sliding thread rolling machine (3) and the movable bracket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910953578.1A CN110773684B (en) | 2019-10-09 | 2019-10-09 | System for simultaneously rolling threads at two ends of steel bar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910953578.1A CN110773684B (en) | 2019-10-09 | 2019-10-09 | System for simultaneously rolling threads at two ends of steel bar |
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| CN110773684A CN110773684A (en) | 2020-02-11 |
| CN110773684B true CN110773684B (en) | 2021-08-03 |
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| CN115570085B (en) * | 2022-09-27 | 2023-07-21 | 连云港永誉不锈钢制品有限公司 | High-precision steel bar thread rolling equipment and production method thereof |
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| CN105127757A (en) * | 2015-09-24 | 2015-12-09 | 北京五隆兴机械制造有限公司 | Automatic steel-bar straight-thread threading machining equipment and machining method |
| CN105834335A (en) * | 2016-04-01 | 2016-08-10 | 诸城市义和车桥有限公司 | Passive transmission type two-end planet-type screw rolling machine |
| CN105690100A (en) * | 2016-05-03 | 2016-06-22 | 常州中铁城建构件有限公司 | Automatic reinforcing steel bar thread machining production line |
| CN205660389U (en) * | 2016-05-19 | 2016-10-26 | 宿迁市保祥重工有限公司 | Automatic reinforcing bar thread rolling machine |
| CN109013988A (en) * | 2018-08-21 | 2018-12-18 | 重庆铁源紧固件制造有限公司 | A kind of zinc-plated pull rod both-end screw-rolling machine |
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| CN110773684A (en) | 2020-02-11 |
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