CN112692199B - Automatic load reinforcing bar cutting device of adjustable shearing length - Google Patents
Automatic load reinforcing bar cutting device of adjustable shearing length Download PDFInfo
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- CN112692199B CN112692199B CN202110110985.3A CN202110110985A CN112692199B CN 112692199 B CN112692199 B CN 112692199B CN 202110110985 A CN202110110985 A CN 202110110985A CN 112692199 B CN112692199 B CN 112692199B
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Abstract
The invention belongs to the technical field of building material processing, and particularly relates to a steel bar cutting device capable of automatically loading and adjusting shearing length. When the steel bar is cut off by the steel bar cutting machine, the steel bar only needs to be inserted into the mounting cylinder and between the first rubber wheel and the second rubber wheel at one time, the steel bar can be conveyed and fed through the first rubber wheel in the subsequent processing process, the steel bar does not need to be manually pushed to be fed, and the processing efficiency is improved. According to the invention, a part of the reinforcing steel bar is in a horizontal state through the mounting cylinder, and the reinforcing steel bar is conveyed in a directional and length-fixed manner through the friction force between the first rubber wheel and the horizontal part of the reinforcing steel bar, so that the uniformity of the cutting length is ensured. The invention controls the angle of each rotation of the first rubber wheel by adjusting the number of the transmission teeth which are arranged on the mounting wheel and are meshed with the gear, thereby realizing the adjustment of the shearing length.
Description
Technical Field
The invention belongs to the technical field of steel bar processing, and particularly relates to a steel bar cutting device capable of automatically loading and adjusting shearing length.
Background
The reinforcing steel bar is a long-strip steel for reinforced concrete and prestressed reinforced concrete, and the cross section of the reinforcing steel bar is circular or sometimes square with round corners. In the actual construction process, the long steel bars need to be cut, so that the long steel bars become steel bar sections with uniform length. Due to the limitation of sites and environments, a large-scale numerical control machine tool cannot be used for cutting off the bar-shaped reinforcing steel bars in a construction site, and a mode of cutting off by an electric saw cutting machine can be generally adopted. The cutting mode of the electric saw cutting machine has the following problems in practical operation: (1) the electric saw cutting machine cannot realize automatic filling and feeding, steel bars need to be manually pushed to perform filling and feeding before cutting each time, and the processing efficiency is low; (2) the electric saw cutting machine can not realize fixed length and variable length cutting, needs an operator to measure and mark the length of the steel bar to be cut before cutting off at every time, and is difficult to ensure the uniformity of the cutting length.
Disclosure of Invention
Technical problem to be solved
The invention provides a steel bar cutting device capable of automatically loading and adjusting shearing length, and aims to solve the following problems in actual operation of cutting by an electric saw cutting machine: (1) the electric saw cutting machine cannot realize automatic filling and feeding, steel bars need to be manually pushed to perform filling and feeding before cutting each time, and the processing efficiency is low; (2) the electric saw cutting machine can not realize fixed length and variable length cutting, needs an operator to measure and mark the length of the steel bar to be cut before cutting off at every time, and is difficult to ensure the uniformity of the cutting length.
(II) technical scheme
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an automatic load reinforcing bar cutting device of adjustable shearing length, includes the horizontally bottom plate, and the bottom plate upper surface has two horizontally installation section of thick bamboos through support column fixed mounting, and two installation section of thick bamboos shape size are the same and the axis coincides each other. At least three sliding grooves which are arranged along the radial direction of the mounting cylinder are formed in the inner wall of the mounting cylinder. The sliding groove is internally matched with a rolling ball, and the diameter of the port of the sliding groove is smaller than that of the rolling ball. And a supporting spring is fixedly arranged on the end face of the sliding groove, and a ball support which is in rolling fit with the rolling ball is fixedly arranged at the end part of the supporting spring. The outer wall of the mounting cylinder is provided with a vent groove at the position corresponding to the sliding groove. The upper surface of the bottom plate is fixedly provided with two vertical plates which are parallel to each other between the two installation cylinders, and a first rubber wheel and a second rubber wheel which are the same in shape and size are rotatably arranged between the two vertical plates. The axes of the first rubber wheel and the second rubber wheel are parallel to each other and perpendicular to the axis of the mounting cylinder. The first rubber wheel is located installation section of thick bamboo inner wall below, and the second rubber wheel is located installation section of thick bamboo inner wall top. When cutting off the bar reinforcing bar, insert one of them installation section of thick bamboo earlier with the one end of bar reinforcing bar in, pass between first rubber wheel and the second rubber wheel again, pass another installation section of thick bamboo at last. The reinforcing bar surface laminating that inserts in the installation section of thick bamboo is at the spin and promotes spin and ball support and remove in the spout, and supporting spring is held in the palm the compression by the ball, and the air in the spout is discharged through the air channel. The spring action of the supporting spring enables the rolling ball to be tightly pressed on the surface of the steel bar to support and fix the steel bar. Because two installation section of thick bamboo shape size are the same and the axis coincides each other, so can guarantee that the reinforcing bar between two installation sections of thick bamboo is in the horizontality. The reinforcing bar that is located between first rubber tyer and the second rubber tyer is pressed from both sides tightly by first rubber tyer and second rubber tyer, and when first rubber tyer rotated, horizontal migration can take place along installation section of thick bamboo axis direction under the frictional force effect to the reinforcing bar.
A rotating shaft overlapped with the axis of the first rubber wheel is fixedly arranged on the first rubber wheel, and a gear is fixedly arranged at the end part of the rotating shaft. The mounting wheel is rotatably mounted on the upper surface of the bottom plate through a vertical first mounting plate. The axes of the mounting wheel and the gear are parallel to each other. A first motor is fixedly mounted on the first mounting plate, and an output shaft of the first motor is fixedly connected with the mounting wheel. The periphery of installation wheel is gone up and is evenly seted up a plurality of along its axial arrangement's holding tank along its circumference, and sliding fit has the driving tooth of mutually supporting with the gear in the holding tank. The number of the transmission teeth meshed with the gear in the process of rotating a circle every time by the position control installation wheel through adjusting the transmission teeth in the accommodating groove, so that the rotating angle of the circle of gear, the rotating shaft and the first rubber wheel of the installation wheel every time is controlled, and the length of the steel bar is further controlled to be cut every time. The installation wheel and the transmission gear are driven to continuously rotate through the first motor, so that the gear, the rotating shaft and the first rubber wheel are driven to periodically rotate by a fixed angle, the reinforcing steel bar is driven to periodically advance for a certain distance along the axis direction of the installation cylinder, and then the automatic reinforcing steel bar filling and feeding are completed.
The bottom plate upper surface has the mounting bar along the horizontal sliding fit of perpendicular to installation section of thick bamboo axis direction, and vertical fixed mounting has the second mounting panel on the mounting bar. And a second motor is fixedly arranged on the second mounting plate. The end part of the output shaft of the second motor is fixedly provided with a circular saw blade which is vertical to the axis of the mounting cylinder. The circular saw blade is driven to rotate at a high speed by the second motor. After the reinforcing bar was carried at every turn and is accomplished, promote the mounting bar through the manual work and drive second mounting panel, second motor and circular saw blade along the direction horizontal migration of perpendicular to reinforcing bar axis, can cut off the reinforcing bar through the circular saw blade. After the reinforcing steel bars are cut off, the mounting bars are manually pushed to reset.
As a preferred technical scheme of the present invention, a plurality of rubber strips are uniformly and fixedly disposed on the outer circumferential surfaces of the first rubber wheel and the second rubber wheel along the circumferential direction thereof, and the rubber strips are arranged along the axial direction of the first rubber wheel and the second rubber wheel. The friction force between the first rubber wheel and the steel bar and the friction force between the second rubber wheel and the steel bar are increased through the rubber strips, so that the horizontal movement of the steel bar can be driven when the first rubber wheel rotates, and the slipping is avoided.
As a preferable technical scheme of the invention, rubber mushroom heads are fixedly arranged on two end faces of the transmission gear. The positions of the two end faces of the holding tank corresponding to the rubber mushroom heads are provided with clamping grooves matched with the rubber mushroom heads. Make the gear position of drive tooth in the holding tank fixed through the cooperation of rubber mushroom head with the draw-in groove, avoid the gear free slip, guaranteed that the installation wheel is every to change the quantity of round in-process and gear engagement's gear constant, and then guaranteed that the distance that the reinforcing bar was carried at every turn is invariable.
As a preferable technical scheme of the present invention, a guide bar is fixedly mounted on the outer wall of the mounting cylinder at a position corresponding to the vent groove, and a mounting piece is slidably fitted on the guide bar. The mounting piece is fixedly provided with a sealing plug which is matched with the vent groove. The position corresponding to each guide rod on the outer wall of the mounting cylinder is rotatably provided with a lead screw which is parallel to the guide rod and penetrates through the mounting plate, and the end part of the lead screw is fixedly provided with a bevel gear. An annular plate overlapped with the axis of the mounting cylinder is rotatably mounted on the outer wall of the mounting cylinder, and a bevel gear ring meshed with the bevel gear is fixedly mounted on the annular plate. After the reinforcing steel bar is inserted into the mounting cylinder, the bevel gear ring is driven to rotate by rotating the annular plate, and then the bevel gear and the screw rod are driven to rotate. The lead screw rotates in-process drive installation piece and sealing plug and slides along the guide bar, until the sealing plug inserts in the air channel and seals the air channel inside. The air pressure keeps invariable after the air channel inner wall is sealed to make spin and ball hold in the palm the position unchangeable in the spout through the atmospheric pressure effect, and then guaranteed the spacing effect of spin to the support of reinforcing bar.
As a preferable technical scheme of the invention, the upper surface of the bottom plate is in sliding fit with a rack along the axial direction of the mounting cylinder, and the rack is matched with the transmission gear. And the end part of the rack is fixedly provided with a sliding strip parallel to the rack. The sliding strip is fixedly connected with the mounting strip through a stay wire. The upper surface of the bottom plate is rotatably provided with a reversing wheel matched with the stay wire. In the rotating process of the mounting wheel, after the transmission gear on the mounting wheel is disengaged from the gear, the transmission gear and the rack are in a meshed state and push the rack to horizontally slide. The rack drives the sliding bar to horizontally slide in the horizontal sliding process, and the sliding bar drives the mounting bar to horizontally slide under the reversing action of the reversing wheel through the pull wire. Through the structure, the steel bars are automatically cut off after the steel bars are directionally conveyed, only manual one-way reset can be performed on the mounting bars, the mounting bars do not need to be pushed in a reciprocating mode, and the processing efficiency is improved.
As a preferred technical solution of the present invention, the first support plate is fixedly mounted on the mounting bar. The upper surface of the bottom plate is fixedly provided with a second supporting plate parallel to the first supporting plate, and a first reset spring arranged along the sliding direction of the mounting bar is fixedly connected between the first supporting plate and the second supporting plate. And a third supporting plate is fixedly arranged on the upper surface of the bottom plate corresponding to the end part of the sliding strip. And a second return spring arranged along the sliding direction of the sliding strip is fixedly connected between the end part of the sliding strip and the third supporting plate. The driving gear and the rack are in a meshed state and push the rack to horizontally slide, the second return spring is compressed by the sliding strip, and the first return spring is compressed by the mounting strip in the horizontal sliding process of the mounting strip. After the transmission gear and the rack are disengaged, the mounting bar is reset through the first reset spring, the sliding bar and the rack are reset through the second reset spring, manpower is further saved, and the processing efficiency is improved.
(III) advantageous effects
The invention has at least the following beneficial effects:
(1) the invention solves the following problems in the practical operation of cutting off the steel bar by using the electric saw cutting machine: the electric saw cutting machine cannot realize automatic filling and feeding, steel bars need to be manually pushed to perform filling and feeding before cutting each time, and the processing efficiency is low; the electric saw cutting machine can not realize fixed length and variable length cutting, needs an operator to measure and mark the length of the steel bar to be cut before cutting off at every time, and is difficult to ensure the uniformity of the cutting length.
(2) When the reinforcing steel bar cutting device capable of automatically loading and adjusting the shearing length is used for cutting the reinforcing steel bars, the reinforcing steel bars are inserted into the mounting cylinder and between the first rubber wheel and the second rubber wheel only at one time, the reinforcing steel bars can be conveyed and loaded through the first rubber wheel in the subsequent processing process, the reinforcing steel bars do not need to be manually pushed for loading, and the processing efficiency is improved.
(3) When the steel bar cutting device capable of automatically loading and adjusting the shearing length is used for cutting the steel bar, one part of the steel bar is in a horizontal state through the mounting cylinder, and the steel bar is conveyed in a directional fixed length mode through the friction force between the first rubber wheel and the horizontal part of the steel bar, so that the uniformity of the cutting length is guaranteed. The invention controls the angle of each rotation of the first rubber wheel by adjusting the number of the transmission teeth which are arranged on the mounting wheel and are meshed with the gear, thereby realizing the adjustment of the shearing length.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of a first perspective view of an automatic loading apparatus for cutting rebar of an adjustable shear length in accordance with an embodiment of the present invention;
fig. 2 is a schematic diagram of a second perspective view of an automatic loading adjustable shear length rebar cutting apparatus according to an embodiment of the present invention;
fig. 3 is a front view of an automatic loading adjustable shear length rebar cutting apparatus according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view at A of FIG. 1;
FIG. 5 is an enlarged schematic view at B of FIG. 2;
FIG. 6 is an enlarged schematic view at C of FIG. 3;
fig. 7 is a schematic view of the internal structure of the mounting cylinder in the embodiment of the present invention.
In the figure: 1-bottom plate, 2-mounting cylinder, 3-sliding chute, 4-rolling ball, 5-supporting spring, 6-ball support, 7-ventilation groove, 8-first rubber wheel, 9-second rubber wheel, 10-rotating shaft, 11-gear, 12-first mounting plate, 13-mounting wheel, 14-first motor, 15-holding groove, 16-driving tooth, 17-mounting bar, 18-second mounting plate, 19-second motor, 20-circular saw blade, 21-rubber strip, 22-rubber mushroom head, 23-guide bar, 24-mounting plate, 25-sealing plug, 26-screw rod, 27-bevel gear, 28-annular plate, 29-conical gear ring, 30-rack, 31-sliding bar, 32-stay wire, 32-pull wire, 33-reversing wheel, 34-first supporting plate, 35-second supporting plate, 36-first return spring, 37-third supporting plate and 38-second return spring.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 7, the present embodiment provides an automatic loading steel bar cutting device with adjustable shearing length, which includes a horizontal bottom plate 1, two horizontal installation cylinders 2 are fixedly installed on the upper surface of the bottom plate 1 through supporting columns, and the two installation cylinders 2 have the same shape and size and have mutually overlapped axes. The inner wall of the mounting cylinder 2 is provided with at least three sliding chutes 3 which are arranged along the radial direction. The sliding chute 3 is internally matched with a rolling ball 4, and the diameter of the end opening of the sliding chute 3 is smaller than that of the rolling ball 4. And a supporting spring 5 is fixedly arranged on the end face of the sliding chute 3, and a ball support 6 in rolling fit with the rolling ball 4 is fixedly arranged at the end part of the supporting spring 5. The outer wall of the mounting cylinder 2 is provided with a vent groove 7 corresponding to the position of the sliding groove 3. The upper surface of the bottom plate 1 is fixedly provided with two parallel vertical plates between the two installation cylinders 2, and a first rubber wheel 8 and a second rubber wheel 9 which are the same in shape and size are rotatably arranged between the two vertical plates. The axes of the first rubber wheel 8 and the second rubber wheel 9 are parallel to each other and perpendicular to the axis of the mounting tube 2. The first rubber wheel 8 is positioned below the inner wall of the installation cylinder 2, and the second rubber wheel 9 is positioned above the inner wall of the installation cylinder 2. When cutting off the bar reinforcing bar, insert one end of bar reinforcing bar in one of them installation section of thick bamboo 2 earlier, pass between first rubber wheel 8 and the second rubber wheel 9 again, pass another installation section of thick bamboo 2 at last. The reinforcing bar surface laminating that inserts in the installation section of thick bamboo 2 is at spin 4 and promotes spin 4 and ball support 6 and remove in spout 3, and supporting spring 5 is held in the palm 6 compressions by the ball, and the air in the spout 3 is discharged through air channel 7. The elastic force of the supporting spring 5 enables the rolling ball 4 to be pressed on the surface of the steel bar to support and fix the steel bar. Because two installation section of thick bamboo 2 shape size are the same and the axis coincides each other, so can guarantee that the reinforcing bar between two installation sections of thick bamboo 2 is in the horizontality. The reinforcing bar that is located between first rubber tyer 8 and the second rubber tyer 9 is pressed from both sides tightly by first rubber tyer 8 and second rubber tyer 9, and when first rubber tyer 8 rotated, horizontal migration can take place along the installation section of thick bamboo 2 axis direction to the reinforcing bar under the frictional force effect. A plurality of rubber strips 21 are uniformly and fixedly arranged on the outer circumferential surfaces of the first rubber wheel 8 and the second rubber wheel 9 along the circumferential direction of the first rubber wheel 8 and the second rubber wheel 9, and the rubber strips 21 are arranged along the axial direction of the first rubber wheel 8 and the second rubber wheel 9. The friction force between the first rubber wheel 8 and the second rubber wheel 9 and the steel bar is increased through the rubber strip 21, so that the steel bar can be driven to horizontally move when the first rubber wheel 8 rotates, and slipping is avoided.
A rotating shaft 10 which is coincident with the axis of the first rubber wheel 8 is fixedly arranged on the first rubber wheel, and a gear 11 is fixedly arranged at the end part of the rotating shaft 10. The upper surface of the bottom plate 1 is rotatably provided with a mounting wheel 13 through a vertical first mounting plate 12. The axes of the mounting wheel 13 and the gear wheel 11 are parallel to each other. A first motor 14 is fixedly mounted on the first mounting plate 12, and an output shaft of the first motor 14 is fixedly connected with the mounting wheel 13. A plurality of accommodating grooves 15 which are arranged along the axial direction are uniformly formed in the circumferential surface of the mounting wheel 13 along the circumferential direction, and transmission teeth 16 which are matched with the gear 11 are arranged in the accommodating grooves 15 in a sliding fit mode. The quantity of the transmission teeth 16 meshed with the gear 11 in the process of rotating each circle of the installation wheel 13 is controlled by adjusting the position of the transmission teeth 16 in the accommodating groove 15, so that the rotating angle of the gear 11, the rotating shaft 10 and the first rubber wheel 8 in each circle of the installation wheel 13 is controlled, and the length of the steel bar is controlled to be cut at each time. Drive installation wheel 13 and driving gear 16 through first motor 14 and continue to rotate to drive gear 11, pivot 10 and the fixed angle of 8 periodic rotations of first rubber tyer, and then drive the reinforcing bar periodic certain distance that advances along 2 axis directions of installation section of thick bamboo, accomplished the automatic filling material loading of reinforcing bar promptly. Rubber mushroom heads 22 are fixedly arranged on two end faces of the transmission gear 16. The two end faces of the accommodating groove 15 are provided with clamping grooves matched with the rubber mushroom heads 22 corresponding to the positions of the rubber mushroom heads 22. Make the position of driving tooth 16 in holding tank 15 fixed through the cooperation of rubber mushroom head 22 with the draw-in groove, avoid driving tooth 16 free slip, guaranteed that installation wheel 13 is every to rotate the quantity of the driving tooth 16 of round in-process and gear 11 meshing invariable, and then guaranteed that the distance that the reinforcing bar was carried at every turn is invariable.
The upper surface of the bottom plate 1 is horizontally matched with a mounting bar 17 in a sliding manner along the direction vertical to the axis of the mounting cylinder 2, and a second mounting plate 18 is vertically and fixedly mounted on the mounting bar 17. A second motor 19 is fixedly mounted on the second mounting plate 18. The end of the output shaft of the second motor 19 is fixedly provided with a circular saw blade 20 which is vertical to the axis of the mounting cylinder 2. The circular saw blade 20 is driven to rotate at a high speed by the second motor 19. After the reinforcing bar is carried at every turn and is accomplished, promote mounting bar 17 through the manual work and drive second mounting panel 18, second motor 19 and circular saw blade 20 along the direction horizontal migration of perpendicular to reinforcing bar axis, can cut off the reinforcing bar through circular saw blade 20. After the reinforcing steel bars are cut off, the mounting bar 17 is manually pushed to reset.
A guide rod 23 is fixedly arranged on the outer wall of the mounting cylinder 2 corresponding to the position of the vent groove 7, and a mounting piece 24 is matched on the guide rod 23 in a sliding way. A sealing plug 25 which is matched with the vent groove 7 is fixedly arranged on the mounting piece 24. A lead screw 26 which is parallel to the guide rod 23 and penetrates through the mounting piece 24 is rotatably mounted on the outer wall of the mounting cylinder 2 corresponding to the position of each guide rod 23, and a bevel gear 27 is fixedly mounted at the end part of the lead screw 26. An annular plate 28 which is overlapped with the axis of the mounting cylinder 2 is rotatably arranged on the outer wall of the mounting cylinder, and a bevel gear ring 29 which is meshed with the bevel gear 27 is fixedly arranged on the annular plate 28. After the steel bar is inserted into the mounting cylinder 2, the ring plate 28 is rotated to drive the bevel gear 29 to rotate, and further drive the bevel gear 27 and the screw rod 26 to rotate. The mounting piece 24 and the sealing plug 25 are driven to slide along the guide rod 23 during the rotation of the screw 26 until the sealing plug 25 is inserted into the vent groove 7 to seal the interior of the vent groove 7. The air pressure keeps invariable after 7 inner walls of air channel are sealed to make position of spin 4 and ball support 6 in spout 3 unchangeable through the atmospheric pressure effect, and then guaranteed the spacing effect of spin 4 support to the reinforcing bar.
The upper surface of the bottom plate 1 is matched with a rack 30 in a sliding way along the axial direction of the mounting cylinder 2, and the rack 30 is matched with the transmission gear 16. The end of the rack 30 is fixedly provided with a sliding bar 31 parallel to the rack. The sliding bar 31 is fixedly connected with the mounting bar 17 through a pull wire 32. The upper surface of the bottom plate 1 is rotatably provided with a reversing wheel 33 matched with the pull wire 32. When the driving gear 16 on the mounting wheel 13 is disengaged from the gear 11 during the rotation of the mounting wheel 13, the driving gear 16 and the rack 30 are engaged and push the rack 30 to slide horizontally. The rack 30 drives the sliding bar 31 to horizontally slide in the horizontal sliding process, and the sliding bar 31 pulls the mounting bar 17 to horizontally slide under the reversing action of the reversing wheel 33 through the pull wire 32. Through above-mentioned structure has realized that directional transport reinforcing bar is automatic after cutting off the reinforcing bar, only need the manual work to the mounting bar 17 carry on one-way reset can, need not reciprocal promotion mounting bar 17, improved machining efficiency. A first support plate 34 is fixedly mounted on the mounting bar 17. A second supporting plate 35 parallel to the first supporting plate 34 is fixedly mounted on the upper surface of the bottom plate 1, and a first return spring 36 arranged along the sliding direction of the mounting bar 17 is fixedly connected between the first supporting plate 34 and the second supporting plate 35. A third support plate 37 is fixedly mounted on the upper surface of the base plate 1 at a position corresponding to the end of the slide bar 31. A second return spring 38 arranged in the sliding direction of the slide bar 31 is fixedly connected between the end of the slide bar 31 and the third support plate 37. During the process that the transmission gear 16 and the rack 30 are in an engaged state and push the rack 30 to slide horizontally, the second return spring 38 is compressed by the sliding strip 31, and during the process that the mounting strip 17 slides horizontally, the first return spring 36 is compressed by the mounting strip 17. After the transmission gear 16 and the rack 30 are disengaged, the mounting bar 17 is reset through the first reset spring 36, and the sliding bar 31 and the rack 30 are reset through the second reset spring 38, so that the labor is further saved, and the processing efficiency is improved.
The working process of the automatic loading steel bar cutting device with the adjustable shearing length in the embodiment is as follows: one end of the bar-shaped reinforcing steel bar is inserted into one of the mounting cylinders 2, passes through the space between the first rubber wheel 8 and the second rubber wheel 9 and finally passes through the other mounting cylinder 2. The bevel gear ring 29 is rotated by rotating the annular plate 28, and the bevel gear 27 and the lead screw 26 are rotated. The mounting piece 24 and the sealing plug 25 are driven to slide along the guide rod 23 during the rotation of the screw 26 until the sealing plug 25 is inserted into the vent groove 7 to seal the interior of the vent groove 7. The quantity of the transmission teeth 16 meshed with the gear 11 in the process of rotating each circle of the installation wheel 13 is controlled by adjusting the position of the transmission teeth 16 in the accommodating groove 15, so that the rotating angle of the gear 11, the rotating shaft 10 and the first rubber wheel 8 in each circle of the installation wheel 13 is controlled, and the length of the steel bar is controlled to be cut at each time. The first motor 14 drives the mounting wheel 13 and the transmission gear 16 to continuously rotate, so as to drive the gear 11, the rotating shaft 10 and the first rubber wheel 8 to periodically rotate for a fixed angle, and further drive the reinforcing steel bars to periodically advance for a certain distance along the axis direction of the mounting cylinder 2. The circular saw blade 20 is driven to rotate at a high speed by the second motor 19. After the reinforcing steel bar is conveyed each time, the transmission gear 16 and the rack 30 are in a meshed state and push the rack 30 to slide horizontally. The rack 30 drives the sliding bar 31 to horizontally slide in the horizontal sliding process, and the sliding bar 31 pulls the mounting bar 17 to horizontally slide under the reversing action of the reversing wheel 33 through the pull wire 32. The mounting bar 17 drives the second mounting plate 18, the second motor 19 and the circular saw blade 20 to horizontally move along the direction perpendicular to the axis of the steel bar, and the steel bar is cut off by the circular saw blade 20. After the driving gear 16 is disengaged from the rack 30, the mounting bar 17 is reset by the first return spring 36, and the slide bar 31 and the rack 30 are reset by the second return spring 38.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides an automatic load reinforcing bar cutting device of adjustable shearing length which characterized in that: the automatic-loading steel bar cutting device with the adjustable shearing length comprises a horizontal bottom plate (1), wherein two horizontal installation cylinders (2) are fixedly installed on the upper surface of the bottom plate (1) through supporting columns, the two installation cylinders (2) are identical in shape and size, and the axes of the two installation cylinders are overlapped; the inner wall of the mounting cylinder (2) is provided with at least three sliding chutes (3) which are arranged along the radial direction; a rolling ball (4) is matched in the chute (3), and the diameter of the port of the chute (3) is smaller than that of the rolling ball (4); a supporting spring (5) is fixedly arranged on the end face of the sliding chute (3), and a ball support (6) which is in rolling fit with the rolling ball (4) is fixedly arranged at the end part of the supporting spring (5); a vent groove (7) is formed in the outer wall of the mounting cylinder (2) at a position corresponding to the sliding groove (3);
two vertical plates which are parallel to each other are fixedly arranged on the upper surface of the bottom plate (1) between the two mounting cylinders (2), and a first rubber wheel (8) and a second rubber wheel (9) which are the same in shape and size are rotatably arranged between the two vertical plates; the axes of the first rubber wheel (8) and the second rubber wheel (9) are parallel to each other and vertical to the axis of the mounting cylinder (2); the first rubber wheel (8) is positioned below the inner wall of the mounting cylinder (2), and the second rubber wheel (9) is positioned above the inner wall of the mounting cylinder (2); a rotating shaft (10) which is overlapped with the axis of the first rubber wheel (8) is fixedly arranged on the first rubber wheel, and a gear (11) is fixedly arranged at the end part of the rotating shaft (10); the upper surface of the bottom plate (1) is rotatably provided with a mounting wheel (13) through a vertical first mounting plate (12); the axes of the mounting wheel (13) and the gear (11) are parallel to each other; a first motor (14) is fixedly mounted on the first mounting plate (12), and an output shaft of the first motor (14) is fixedly connected with the mounting wheel (13); a plurality of accommodating grooves (15) which are axially arranged are uniformly formed in the circumferential surface of the mounting wheel (13) along the circumferential direction of the mounting wheel, and transmission teeth (16) which are matched with the gear (11) are arranged in the accommodating grooves (15) in a sliding fit manner;
the upper surface of the bottom plate (1) is horizontally matched with a mounting bar (17) in a sliding manner along the direction vertical to the axis of the mounting cylinder (2), and a second mounting plate (18) is vertically and fixedly mounted on the mounting bar (17); a second motor (19) is fixedly arranged on the second mounting plate (18); a circular saw blade (20) vertical to the axis of the mounting cylinder (2) is fixedly mounted at the end part of an output shaft of the second motor (19);
the upper surface of the bottom plate (1) is in sliding fit with a rack (30) along the axis direction of the mounting cylinder (2), and the rack (30) is matched with the transmission gear (16); a sliding strip (31) parallel to the rack (30) is fixedly arranged at the end part of the rack; the sliding strip (31) is fixedly connected with the mounting strip (17) through a pull wire (32); a reversing wheel (33) matched with the pull wire (32) is rotatably arranged on the upper surface of the bottom plate (1);
a first supporting plate (34) is fixedly arranged on the mounting bar (17); a second supporting plate (35) parallel to the first supporting plate (34) is fixedly arranged on the upper surface of the bottom plate (1), and a first return spring (36) arranged along the sliding direction of the mounting bar (17) is fixedly connected between the first supporting plate (34) and the second supporting plate (35); a third supporting plate (37) is fixedly arranged on the upper surface of the bottom plate (1) at a position corresponding to the end part of the sliding strip (31); a second return spring (38) arranged along the sliding direction of the sliding bar (31) is fixedly connected between the end part of the sliding bar (31) and the third supporting plate (37);
a guide rod (23) is fixedly arranged on the outer wall of the mounting cylinder (2) at a position corresponding to the vent groove (7), and a mounting piece (24) is matched with the guide rod (23) in a sliding manner; a sealing plug (25) which is matched with the vent groove (7) is fixedly arranged on the mounting sheet (24); a lead screw (26) which is parallel to the guide rods (23) and penetrates through the mounting piece (24) is rotatably mounted on the outer wall of the mounting cylinder (2) corresponding to the position of each guide rod (23), and a bevel gear (27) is fixedly mounted at the end part of the lead screw (26); an annular plate (28) which is overlapped with the axis of the installation cylinder (2) is rotatably installed on the outer wall of the installation cylinder, and a bevel gear ring (29) which is meshed with the bevel gear (27) is fixedly installed on the annular plate (28).
2. The apparatus of claim 1, wherein the cutting means is adapted to automatically load the bar with an adjustable shearing length, and further comprises: a plurality of rubber strips (21) are uniformly and fixedly arranged on the outer circumferential surfaces of the first rubber wheel (8) and the second rubber wheel (9) along the circumferential direction; the rubber strip (21) is arranged in the axial direction of the first rubber wheel (8) and the second rubber wheel (9).
3. The apparatus of claim 1, wherein the cutting means is adapted to automatically load the bar with an adjustable shearing length, and further comprises: rubber mushroom heads (22) are fixedly arranged on two end faces of the transmission gear (16); the positions of the two end surfaces of the accommodating groove (15) corresponding to the rubber mushroom heads (22) are provided with clamping grooves matched with the rubber mushroom heads (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110110985.3A CN112692199B (en) | 2021-01-27 | 2021-01-27 | Automatic load reinforcing bar cutting device of adjustable shearing length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112692199B true CN112692199B (en) | 2021-11-19 |
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| JPS60257941A (en) * | 1984-06-06 | 1985-12-19 | Hitachi Ltd | Cutting and forming instrument of reed component |
| JPH08267163A (en) * | 1995-03-31 | 1996-10-15 | Mitsuba Seisakusho:Kk | Device for straightening, measuring and cutting wire |
| CN205128798U (en) * | 2015-11-25 | 2016-04-06 | 齐齐哈尔工程学院 | Reinforcing bar cutting device for building site |
| CN208840603U (en) * | 2018-10-22 | 2019-05-10 | 盛宇航 | A kind of road and bridge construction reinforcing bar steel pipe positions cutters |
| CN209189528U (en) * | 2018-11-13 | 2019-08-02 | 无锡华夏机械制造有限公司 | A kind of meter counter of bar straightener |
| CN111069479A (en) * | 2019-12-31 | 2020-04-28 | 界首市神机合自动化科技有限公司 | Automatic fixed-length cutting device for construction steel bars |
| CN112170702A (en) * | 2020-10-15 | 2021-01-05 | 黄飞飞 | Bending device suitable for reinforcing bar |
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2021
- 2021-01-27 CN CN202110110985.3A patent/CN112692199B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60257941A (en) * | 1984-06-06 | 1985-12-19 | Hitachi Ltd | Cutting and forming instrument of reed component |
| JPH08267163A (en) * | 1995-03-31 | 1996-10-15 | Mitsuba Seisakusho:Kk | Device for straightening, measuring and cutting wire |
| CN205128798U (en) * | 2015-11-25 | 2016-04-06 | 齐齐哈尔工程学院 | Reinforcing bar cutting device for building site |
| CN208840603U (en) * | 2018-10-22 | 2019-05-10 | 盛宇航 | A kind of road and bridge construction reinforcing bar steel pipe positions cutters |
| CN209189528U (en) * | 2018-11-13 | 2019-08-02 | 无锡华夏机械制造有限公司 | A kind of meter counter of bar straightener |
| CN111069479A (en) * | 2019-12-31 | 2020-04-28 | 界首市神机合自动化科技有限公司 | Automatic fixed-length cutting device for construction steel bars |
| CN112170702A (en) * | 2020-10-15 | 2021-01-05 | 黄飞飞 | Bending device suitable for reinforcing bar |
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| CN112692199A (en) | 2021-04-23 |
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