CN212398298U - Steel bar cutting device - Google Patents

Abstract

The utility model discloses a reinforcing bar cutting device relates to the field of cutter, including the cutting machine body, the cutting machine body includes casing and first sword portion, the fixed one side that sets up at the casing of first sword portion, first oil pocket has in the casing, the second oil pocket, the plunger pump, the drive shaft, the piston rod, gasbag and second sword portion, first oil pocket and second oil pocket pass through the plunger pump intercommunication, the drive shaft is located the axis of casing and the end of drive shaft meets with the plunger pump, the one end of piston rod is located the second oil pocket, its other end extends to the casing outside and is connected with second sword portion, the piston rod can promote the second sword portion and be close to first sword portion, the gasbag is located first oil pocket and still communicates through the route with the second oil pocket, be provided with the elastic component in the gasbag. First elastic component can make the flexible performance of gasbag better, makes during gas in it can return first oil pocket more fast, thereby improves the utility model discloses a cutting efficiency.

Description

Steel bar cutting device

Technical Field

The utility model relates to a technical field of cutting machine particularly indicates a reinforcing bar cutting device.

Background

The steel bar cutting machine is a tool used for cutting steel bars and comprises a full-automatic steel bar cutting machine and a semi-automatic steel bar cutting machine. The fixed-length cutting device is mainly used for fixed-length cutting of reinforcing steel bars in civil engineering and is indispensable equipment for a reinforcing steel bar processing link. Compared with other cutting equipment, the cutting machine has the advantages of light weight, less energy consumption, reliable work, high efficiency and the like, is widely used in the field of mechanical processing, and plays an important role in the national economic construction process.

After the cutting of the steel bar cutting machine is finished, the cutter head needs to be reset, the hydraulic oil with extremely high pressure also needs to return to the oil cavity, and if the high-pressure hydraulic oil directly returns to the oil cavity, huge impact can be caused on the oil cavity to damage the oil cavity.

The handheld steel bar cutting machine is common steel bar cutting equipment, and has the advantages of proper size and weight, convenient operation and convenient movement, but the handheld steel bar cutting machine is completely controlled and supported and fixed through manpower, so the flatness of the section of a cut steel bar is poor, and the handheld steel bar cutting machine can only be applied to scenes with low requirements on cutting precision through manual operation, so the steel bar is required to be cut through the fixed cutting equipment under the scenes with high requirements on the cutting precision, but the fixed cutting equipment has the defects of high cost and inconvenience in movement.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the not enough of prior art, provide a reinforcing bar cutting device to solve the problem that hydraulic oil of current reinforcing bar cutting machine directly returns the oil pocket and destroys the oil pocket.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a steel bar cutting device, includes the cutting machine body, the cutting machine body includes casing and first sword portion, first sword portion is fixed to be set up one side of casing, have first oil pocket, second oil pocket, plunger pump, drive shaft, piston rod, gasbag and second sword portion in the casing, first oil pocket and second oil pocket pass through the plunger pump intercommunication, the plunger pump has a plurality ofly, a plurality ofly the plunger pump is around the center of casing and along the radial extension setting of casing, the drive shaft is located the axis of casing and the end of drive shaft is met with the plunger pump, one end of piston rod is located the second oil pocket, and its other end extends outside the casing and is connected with second sword portion, the piston rod can promote second sword portion is close to first sword portion, the gasbag is located first oil pocket and passes through oil route intercommunication with second oil pocket, a first elastic piece for supporting the air bag is arranged in the air bag.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, a second elastic piece is sleeved on the piston rod to enable the piston rod to reset, the number of the air bags is multiple, and the air bags are arranged around the central annular matrix of the first oil cavity.

Further, still include base and reinforcing bar fixed part, the reinforcing bar fixed part sets up be used for on the base will waiting to cut the reinforcing bar fixed, be provided with on the base and wind self center pivoted carousel, the cutting machine body is fixed detachablely on the carousel.

Furthermore, the rotary plate is provided with a screw hole which is arranged around the center of the rotary plate, a positioning pin is arranged in the screw hole, and the outer surface of the positioning pin is provided with an external thread which is matched with the internal thread of the screw hole.

Further, be provided with the lantern ring on the carousel, the lantern ring will cutting machine body suit is in the inside, be provided with the screw rod that sets up along its radial extension on the lantern ring, the screw rod is close to the one end at lantern ring center is provided with the clamp plate, through the rotating the screw rod with the clamp plate with the surface butt of cutting machine body.

Furthermore, the pressing plate is an arc-shaped pressing plate, and an anti-slip pad is arranged on the plate surface of one side, close to the cutting machine body, of the pressing plate.

Further, the reinforcing bar fixed part is for setting up spout on the base, the extending direction of spout passes the region between first sword portion and the second sword portion.

Further, the both sides of first sword portion and second sword portion have fixed sleeve, fixed sleeve with the extending direction of spout meets, fixed sleeve includes framework, lower support portion and last supporting part, the lower support portion sets up bottom in the framework, it is located to go up the supporting part the lower support portion top, it has the pass to go up the supporting part upper end the bolt of framework, through the rotating the bolt can make it is close to go up the supporting part the lower support portion.

Further, the sliding groove and the fixed sleeve are arranged on the base in a sliding connection mode, and the sliding groove and the fixed sleeve can slide along the length direction of the cutting machine body.

Further, the spout is kept away from the one end of cutting machine body is provided with steel bar transportation portion, steel bar transportation portion includes gyro wheel and the driving motor of two relative settings from top to bottom, two connect through the belt between the gyro wheel and have the clearance between the two so that the reinforcing bar passes through, driving motor and arbitrary one the axial region of gyro wheel is connected.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

after a driving shaft in the cutting machine body rotates to apply pressure to the plunger pump, the plunger pump can pump hydraulic oil in the first oil cavity into the second oil cavity, the hydraulic oil can push the piston rod to move after entering the second oil cavity, and the second cutter part connected with the piston rod is close to the first cutter part, so that the cutting of the reinforcing steel bar is completed. Second sword portion and piston rod can reset after the cutting is accomplished, hydraulic oil in the second oil pocket can return in the first oil pocket, and the oil pressure of hydraulic oil this moment is very high, hydraulic oil directly returns can cause huge impact and lead to hydraulic oil to leak to first oil pocket in the first oil pocket, consequently can effectively absorb the impact force of hydraulic oil through setting up the gasbag, first elastic component in the gasbag also can play the effect of the impact force of absorption hydraulic oil, first elastic component can make the gasbag resume former shape more rapidly simultaneously, thereby improve the utility model discloses a cutting efficiency.

The utility model discloses other beneficial effect that still have:

the utility model provides a cutting machine body is a hand-held type cutting machine, it can be fixed on the base with detachable local mode, the reinforcing bar that treats the cutting passes through the reinforcing bar fixed part to be fixed on the base, it no longer needs the manual work to support fixedly after the cutting machine is fixed on the base, thereby can guarantee that it is stable in cutting process, thereby make the incision after the cutting machine body cuts off the reinforcing bar level and smooth, the incision angle that can rotate of cutting machine when making it cut off the reinforcing bar can change, thereby make it cut off out different angles with the section of reinforcing bar.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the drive shaft and plunger pump of the present invention;

fig. 3 is a schematic view of a base of the present invention;

fig. 4 is a front view of the base of the present invention;

fig. 5 is a schematic view of the fixing sleeve of the present invention.

Wherein the figures include the following reference numerals: 100-base, 110-sliding groove, 120-rotating disc, 121-positioning pin, 130-lantern ring, 140-screw, 150-pressing plate, 200-cutting machine body, 210-shell, 211-first oil chamber, 212-second oil chamber, 213-plunger pump, 214-driving shaft, 215-piston rod, 216-air bag, 217-first elastic part, 218-second elastic part, 219-rotating shaft motor, 220-first knife part, 230-second knife part, 300-fixing sleeve, 310-frame, 320-lower supporting part, 330-upper supporting part, 340-bolt, 400-steel bar conveying part, 410-roller, 420-driving motor and 430-belt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are merely exemplary of the invention and are not intended to be exhaustive. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

a steel bar cutting device comprises a cutter body 200 as shown in figures 1-4, the cutter body 200 comprises a housing 210 and a first cutter part 220, the first cutter part 220 is fixedly arranged at one side of the housing 210, the housing 210 is internally provided with a first oil chamber 211, a second oil chamber 212, a plunger pump 213, a driving shaft 214, a piston rod 215, an air bag 216 and a second cutter part 230, the first oil chamber 211 and the second oil chamber 212 are communicated through the plunger pump 213, the plunger pumps 213 are provided with a plurality of, preferably five in the embodiment, the five plunger pumps 213 are arranged around the center of the housing 210 and extend along the radial direction of the housing 210, the driving shaft 214 is positioned on the central axis of the housing 210, the tail end of the driving shaft 214 is connected with the plunger pumps 213, one end of the piston rod 215 is positioned in the second oil chamber 212, the other end thereof extends out of the housing 210 and is connected with the second cutter part 230, the piston rod 215 can push the second cutter part 230 to approach the first, the air bag 216 is located in the first oil chamber 211 and the air bag 216 has an opening communicating with the outside of the housing, and a first elastic member 217 for supporting the air bag 216 is provided in the air bag 216.

The first oil chamber 211 is filled with hydraulic oil, the driving shaft 214 rotates to press the plunger pump 213, and the driving shaft 214 can drive the plunger pump 213 through the rotating shaft motor 219 to pump the hydraulic oil in the first oil chamber 211 into the second oil chamber 212, so that the hydraulic oil pushes the piston rod 215 with one end located in the second oil chamber 212, and the second knife part 230 can approach the first knife part 220 to realize cutting. When the cutting is completed, the second knife part 230 needs to be reset, the corresponding piston rod 215 is also reset, the hydraulic oil in the second oil cavity 212 can return to the first oil cavity 211, the pressure of the hydraulic oil is very high at the moment, the first oil cavity 211 can be directly returned to cause huge impact to the first oil cavity 211 to cause leakage of the hydraulic oil from the first oil cavity 211, therefore, the pressure of the hydraulic oil can be absorbed by the air bag 216 after the air bag 216 is arranged, the buffering effect is achieved, the hydraulic oil leakage is prevented, the impact force of the hydraulic oil can be further absorbed by the first elastic part 217 arranged in the air bag 216, meanwhile, the air bag 216 can be quickly restored to the original shape, and the cutting efficiency is improved. Of course, in order to enable the piston rod 215 to automatically return, the second elastic member 218 is sleeved on the piston rod 215, and the first elastic member 217 and the second elastic member 218 may be specifically springs. The gasbag 216 also can set up a plurality ofly, and a plurality of gasbags 216 reset more rapidly around the central annular array setting of first oil chamber 211, a plurality of less gasbags 216 of volume, even a certain gasbag 216 damage can not influence the utility model discloses normally work simultaneously.

In this embodiment, still include base 100 and reinforcing bar fixed part, the reinforcing bar fixed part sets up and is used for waiting to cut the reinforcing bar fixedly on base 100, be provided with on the base 100 and can wind self center pivoted carousel 120, cutter body 200 is detachably fixed on carousel 120, cutter body 200 can rotate for base 100, cutter body 200 is hand-held type cutting machine, it can make it remain stable after fixing on base 100 to make it can keep stable at the cutting-off in-process, simultaneously because the detachability between cutter body 200 and the base 100 makes the utility model provides a cutter body 200 can replace large-scale cutting machine equipment, makes hand-held type cutting machine equipment also can have higher cutting accuracy and stability. Because cutter body 200 can rotate, consequently it can cut out the section of different angles with the reinforcing bar, has increased the utility model discloses cutting function's variety. After the rotary table 120 rotates, the rotary table can drive the cutting machine body 200 positioned on the rotary table to rotate, meanwhile, the rotary table 120 is provided with a screw hole arranged around the center of the rotary table 120, a positioning pin 121 is arranged in the screw hole, the outer surface of the positioning pin 121 is provided with an external thread matched with the internal thread of the screw hole, the rotary table 120 can be fixed after the rotary table 120 rotates by a preset angle through the positioning pin 121, and therefore the stability of the cutting machine body 200 during cutting is guaranteed.

In this embodiment, a collar 130 is disposed on the rotary table 120, the collar 130 encases the cutter body 200, a screw 140 is disposed on the collar 130 and extends along a radial direction of the collar, a pressure plate 150 is disposed at an end of the screw 140 close to a center of the collar 130, and the pressure plate 150 abuts against a surface of the cutter body 200 by rotating the screw 140.

The plurality of collars 130 may be provided, the plurality of collars 130 are respectively sleeved on a plurality of positions of the cutter body 200, and the casing 210 of the cutter body 200 in this embodiment has a generally cylindrical shape, so that the collars 130 are sleeved in the cutter body 200 to firmly fix the cutter body 200, and the cutter body 200 can be firmly fixed by adjusting the distance between the press plates 150 because the diameters of the cutter body 200 are different.

In this embodiment, the pressing plate 150 is the arc-shaped pressing plate 150, and the non-slip mat is arranged on the surface of one side of the pressing plate 150 close to the cutting machine body 200, so that the arc-shaped pressing plate 150 can be better attached to the surface of the cutting machine body 200, the fixing effect of the pressing plate 150 on the cutting machine body 200 can be better, and the non-slip mat can be arranged to further enhance the fixing effect of the pressing plate 150 on the cutting machine body 200.

In this embodiment, the reinforcing bar fixing portion is the spout 110 that sets up on the base 100, and the extending direction of spout 110 passes the region between first sword portion 220 and the second sword portion 230, and the reinforcing bar needs one section cutting in the cutting process, and the reinforcing bar is placed in spout 110 the later stage and can be removed along the extending direction of spout 110 to make it can be cut into the multistage by cutting machine body 200.

The fixing sleeve 300 is arranged on two sides of the first knife part 220 and the second knife part 230, the fixing sleeve 300 is connected with the extending direction of the sliding chute 110, the fixing sleeve 300 comprises a frame body 310, a lower supporting part 320 and an upper supporting part 330, the lower supporting part 320 is arranged at the bottom in the frame body 310, the upper supporting part 330 is positioned above the lower supporting part 320, the upper end of the upper supporting part 330 is provided with a bolt 340 penetrating through the frame body 310, and the upper supporting part 330 can be close to the lower supporting part 320 by rotating the bolt 340.

When the steel bar is located at the cutting position, the cut position of the steel bar is located between the first knife portion 220 and the second knife portion 230, and two ends of the cut position are respectively sleeved in the fixing sleeves 300 located at two sides of the first knife portion 220 and the second knife portion 230, the two fixing sleeves 300 can ensure that the steel bar is kept stable in the cutting process, the cutting precision is improved, meanwhile, the fixing sleeves 300 can enable the cut position of the steel bar to be kept straight, and the cutting precision reduction caused by the bending of the steel bar due to the self weight is avoided.

The interval between the upper supporting part 330 and the lower supporting part 320 can be adjusted, so that the sleeve can be sleeved with reinforcing steel bars with different diameters, when the sleeve is applied specifically, the lower supporting part 320 and the upper supporting part 330 adopt arc plates, the interval between the lower supporting part 320 and the upper supporting part 330 is adjusted in advance according to the diameter of the reinforcing steel bar to be cut, the lower supporting part 320 and the upper supporting part 330 can compress the reinforcing steel bar between the lower supporting part and the upper supporting part, and the effect of fixing the reinforcing steel bar is achieved.

In the present embodiment, the sliding groove 110 and the fixing sleeve 300 are slidably connected to the base 100, and the sliding groove 110 and the fixing sleeve 300 can slide along the length direction of the cutter body 200.

When the turntable 120 rotates to change the angle of the cutter body 200, the positions of the first and second blade parts 220 and 230 of the cutter body 200 are changed, and thus the sliding groove 110 and the fixing sleeve 300 are slidably coupled to the base 100, so that the reinforcing bars fixed thereto can always pass through the driving between the first and second blade parts 220 and 230 to perform multi-angle cutting.

In this embodiment, one end of the chute 110, which is far away from the cutter body 200, is provided with a steel bar transporting portion 400, the steel bar transporting portion 400 includes two rollers 410 and a driving motor 420, which are oppositely arranged up and down, the two rollers 410 are connected through a belt 430, a gap is formed between the two rollers 410 so as to allow the steel bar to pass through, and the driving motor 420 is connected with the shaft portion of any one of the rollers 410.

The driving motor 420 drives the two rollers 410 to rotate, and then the reinforcing steel bars between the two rollers 410 can move, so that the reinforcing steel bars are pushed manually, and manpower is saved.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims (10)

1. A steel bar cutting device is characterized by comprising a cutter body (200), wherein the cutter body (200) comprises a shell (210) and a first cutter part (220), the first cutter part (220) is fixedly arranged on one side of the shell (210), a first oil cavity (211), a second oil cavity (212), a plunger pump (213), a driving shaft (214), a piston rod (215), an air bag (216) and a second cutter part (230) are arranged in the shell (210), the first oil cavity (211) and the second oil cavity (212) are communicated through the plunger pump (213), the plunger pump (213) is provided with a plurality of plunger pumps (213), the plunger pumps (213) are arranged around the center of the shell (210) and extend along the radial direction of the shell (210), the driving shaft (214) is positioned on the central axis of the shell (210), and the tail end of the driving shaft (214) is connected with the plunger pump (213), one end of the piston rod (215) is located in the second oil chamber (212), the other end of the piston rod extends out of the shell (210) and is connected with the second knife part (230), the piston rod (215) can push the second knife part (230) to be close to the first knife part (220), the air bag (216) is located in the first oil chamber (211), the air bag (216) is provided with an air outlet communicated with the outside of the shell (210), and a first elastic piece (217) supporting the air bag (216) is arranged in the air bag (216).

2. A rebar cutting device as claimed in claim 1, wherein said piston rod (215) is fitted with a second resilient member (218) to enable repositioning of said piston rod (215), said plurality of air pockets (216) being disposed in an annular array about a center of said first oil chamber (211).

3. A reinforcing bar cutting apparatus according to claim 1, further comprising a base (100) and a reinforcing bar fixing portion, the reinforcing bar fixing portion is provided on the base (100) for fixing a reinforcing bar to be cut, a turntable (120) rotatable around its center is provided on the base (100), and the cutter body (200) is detachably fixed on the turntable (120).

4. A reinforcing bar cutting device according to claim 3, wherein the rotary table (120) is provided with a screw hole arranged around the center of the rotary table (120), a positioning pin (121) is arranged in the screw hole, and the outer surface of the positioning pin (121) is provided with an external thread matched with the internal thread of the screw hole.

5. The steel bar cutting device according to claim 3, wherein a collar (130) is arranged on the rotary table (120), the collar (130) is used for sleeving the cutter body (200), a screw rod (140) is arranged on the collar (130) and extends along the radial direction of the collar, a pressure plate (150) is arranged at one end of the screw rod (140) close to the center of the collar (130), and the pressure plate (150) is abutted to the surface of the cutter body (200) by rotating the screw rod (140).

6. The steel bar cutting device according to claim 5, wherein the pressing plate (150) is an arc-shaped pressing plate (150), and a non-slip mat is arranged on the plate surface of one side of the pressing plate (150) close to the cutter body (200).

7. A reinforcing bar cutting apparatus according to claim 3, wherein the reinforcing bar fixing portion is a chute (110) provided on the base (100), and the chute (110) extends in a direction passing through a region between the first and second blades (220, 230).

8. The reinforcing bar cutting apparatus according to claim 7, wherein fixing sleeves (300) are provided at both sides of the first and second blade parts (220, 230), the fixing sleeves (300) are engaged with an extending direction of the chute (110), the fixing sleeves (300) include a frame body (310), a lower support part (320), and an upper support part (330), the lower support part (320) is provided at a bottom inside the frame body (310), the upper support part (330) is provided above the lower support part (320), the upper support part (330) has a bolt (340) penetrating through the frame body (310) at an upper end thereof, and the upper support part (330) can be brought close to the lower support part (320) by rotating the bolt (340).

9. A rebar cutting device as claimed in claim 8, wherein said chute (110) and fixing sleeve (300) are slidably connected to said base (100), said chute (110) and fixing sleeve (300) being slidable along a length direction of said cutter body (200).

10. The reinforcing bar cutting device according to claim 8, wherein a reinforcing bar transporting portion (400) is disposed at an end of the chute (110) away from the cutter body (200), the reinforcing bar transporting portion (400) comprises two rollers (410) and a driving motor (420) which are disposed opposite to each other, the two rollers (410) are connected by a belt (430) with a gap therebetween so that the reinforcing bar passes through, and the driving motor (420) is connected to a shaft portion of any one of the rollers (410).

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