CN116078955A - Reinforcing bar cutting device - Google Patents
Reinforcing bar cutting device Download PDFInfo
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- CN116078955A CN116078955A CN202310244186.4A CN202310244186A CN116078955A CN 116078955 A CN116078955 A CN 116078955A CN 202310244186 A CN202310244186 A CN 202310244186A CN 116078955 A CN116078955 A CN 116078955A
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 23
- 230000000903 blocking effect Effects 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F23/00—Feeding wire in wire-working machines or apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The application discloses device is decided to reinforcing bar, including frame, feed mechanism, cutting mechanism. The reinforcing steel bars are fed through the feeding mechanism, and the reinforcing steel bars are cut at equal intervals through the cutting mechanism. The cutting mechanism comprises a cutting knife seat, a cutting knife, a cutting table, a hydraulic cylinder and a middle block. When the cutting knife works, the piston rod of the hydraulic cylinder always keeps reciprocating motion at a set frequency, and when the feeding mechanism drives the steel bars to feed forwards to a certain position, the middle block enters between the piston rod of the hydraulic cylinder and the cutting knife rest, and the piston rod of the hydraulic cylinder drives the cutting knife rest to move downwards by pushing the middle block, so that the cutting of the steel bars by the cutting knife is completed. After the cutting is completed, the middle block is separated from the position between the piston rod of the hydraulic cylinder and the cutter holder, and the cutter holder is reset and is ready for the next cutting. Meanwhile, when the middle block is not located between the piston rod of the hydraulic cylinder and the cutter holder, the cutter cannot contact the cutter holder no matter how the piston rod of the hydraulic cylinder moves, the cutter cannot descend, and reliability of potential safety hazards is reduced.
Description
Technical Field
The application relates to the technical field of reinforced bar material processing, in particular to a reinforced bar cutting device.
Background
The steel bar refers to steel for reinforced concrete and prestressed reinforced concrete, and the cross section of the steel bar is round, and sometimes square with round corners. Including smooth round bars, ribbed bars, twisted bars, which are widely used in various building structures.
The existing steel bar cutting is usually carried out by adopting a hydraulic cylinder in front to drive a cutting knife to extrude, so that the purpose of cutting is achieved. In order to improve cutting efficiency, a feeding mechanism is generally arranged in front of the cutting knife to push the reinforcing steel bars to move towards the cutting knife. Through program setting, the steel bars are transported forwards for a period of time and then stop moving forwards, and then the cutting knife is driven by the hydraulic cylinder to move downwards, so that cutting is completed.
Although under program control, the down frequency of the cutter and the advancing speed of the steel bars can be controlled more accurately, so that the steel bars are cut with equal length. But the stability and reliability of the pure electric control are poor, for example, under the condition of feeding without reinforcing steel bars, the cutting knife still moves, and safety accidents are easy to occur. For example, when the advancing speed of the reinforcing steel bar deviates, but the descending frequency of the cutting knife is unchanged, the situation that the length of the cut reinforcing steel bar is inconsistent with the requirement can occur. If necessary, a cutting device with higher stability and reliability is designed.
Patent of the invention
In order to improve stability and reliability of cutting, the application provides a reinforcing bar cutting device.
The application provides a device is decided to reinforcing bar adopts following technical scheme:
the utility model provides a reinforcing bar cutting device, includes the frame, is used for driving the feed mechanism that the reinforcing bar transported forward, sliding connection in the cutting blade holder of frame, installs the cutting knife on the cutting blade holder, is located the cutting knife below and fixed mounting in the cutting table of frame, installs the pneumatic cylinder that provides along vertical direction drive power in the frame, the piston rod of pneumatic cylinder is located the cutting blade holder top and is the interval setting with the cutting blade holder between, be equipped with the intermediate block between cutting blade holder and the pneumatic cylinder piston rod, the pneumatic cylinder promotes the cutting blade holder through the intermediate block and moves along vertical direction, and when the intermediate block was not located between cutting blade holder and the pneumatic cylinder, the piston rod of pneumatic cylinder did not touch the cutting blade holder when moving;
a first reset piece for resetting the cutter holder after the driving force of the hydraulic cylinder to the cutter holder is lost is arranged between the cutter holder and the frame, a limiting block is connected to the frame, a linkage mechanism is arranged between the limiting block and the middle block, and a blanking gap for the steel bar to drop is formed between the limiting block and the cutting table; the middle block is not located between the cutting knife holder and the hydraulic cylinder piston rod in a natural state, when the steel bar moves forwards to be abutted against the limiting block and moves forwards continuously until the limiting block is driven to move relative to the frame, the linkage mechanism drives the middle block to enter the space between the cutting knife holder and the hydraulic cylinder piston rod, the hydraulic cylinder pushes the cutting knife holder to move along the vertical direction through the middle block to complete cutting of the steel bar by the cutting knife, the cut steel bar falls downwards to leave the limiting block, and the limiting block resets under the driving of the linkage mechanism to prepare for cutting of the next steel bar.
Through adopting above-mentioned technical scheme, only the reinforcing bar moves forward to a certain extent, promotes stopper motion certain range back, and the intermediate piece is added between pneumatic cylinder and the cutting blade holder, and the pneumatic cylinder just can drive the cutting knife and tailors the action. Therefore, by means of a pure mechanical structure, the problem that program errors cause different cutting lengths of the steel bars is avoided, and the cutting stability is improved. Meanwhile, when the steel bars are not in place or are not in existence, the hydraulic cylinder cannot drive the cutting knife to move even if the hydraulic cylinder moves, so that potential safety hazards are not easy to generate, and the hydraulic cylinder has good reliability.
Preferably, the middle block comprises a transverse block used for being inserted between the cutting tool apron and a piston rod of the hydraulic cylinder and a vertical block fixedly connected to one end of the transverse block, a guide rod is arranged on the frame along the vertical direction, a guide sleeve is sleeved on the guide rod in a sliding mode, a connecting sleeve is connected to the outside of the guide sleeve in a rotating mode, a first torsion spring is arranged between the connecting sleeve and the guide sleeve, the vertical block is fixedly connected to the outer wall of the connecting sleeve, the guide rod is installed on the frame through a mounting seat, a reset spring is sleeved on the guide rod, and the reset spring is located between the guide sleeve and the mounting seat and is abutted to the lower end of the guide sleeve and the upper end of the mounting seat; the linkage mechanism is used for applying force to the vertical block so that the connecting sleeve rotates relative to the guide sleeve, the transverse block enters between the cutting tool apron and the piston rod of the hydraulic cylinder, and at the moment, the first torsion spring is compressed.
Preferably, the guide rod is connected with an adjusting nut in a threaded manner, and the adjusting nut is located above the guide sleeve and abuts against the upper end of the guide sleeve.
Preferably, the linkage mechanism comprises a connecting seat fixedly arranged on the frame, a connecting rod rotationally connected to the connecting seat, a push rod arranged at one end of the connecting rod far away from the connecting seat, and a second torsion spring connected between the connecting seat and the connecting rod and used for enabling the connecting rod to keep a fixed angle relative to the connecting seat, wherein the limiting block is fixedly arranged on the outer wall of the connecting rod, and the push rod is arranged along the feeding direction of the reinforcing steel bar; when the steel bar moves forwards for a certain distance, the steel bar applies force to the connecting rod by pushing the limiting block, so that the connecting rod rotates relative to the connecting seat to drive the push rod to push the vertical block, and the transverse block enters between the cutting tool apron and the piston rod of the hydraulic cylinder.
Preferably, the connecting seat comprises a seat body provided with a sliding groove and a sliding block which is connected in the sliding groove in a sliding way, the sliding groove is arranged along the feeding direction of the steel bars, a fixing piece for relatively fixing the sliding block and the seat body is arranged on the sliding block, the connecting rod is rotationally connected to the sliding block, the push rod is arranged on the connecting rod through an adjusting piece, and the adjusting piece is used for adjusting the position of the push rod relative to the connecting rod.
Preferably, the first blocking block and the second blocking block are fixedly connected to the sliding block, the first blocking block and the second blocking block are located on the same side of the connecting rod, the first blocking block is used for limiting the limiting angle of rotation when the connecting rod is reset, and the second blocking block is used for limiting the limiting angle of the connecting rod when the connecting rod is pushed to rotate by the reinforcing steel bars.
Preferably, the push rod is provided with an adjusting groove along the length direction thereof, the adjusting piece comprises a fixing screw rod penetrating through the adjusting groove and the connecting rod and a fixing nut in threaded connection with one end of the fixing screw rod, and the fixing nut and a force application head of the fixing screw rod clamp and fix the push rod and the connecting rod.
Preferably, a feeding frame for supporting the cut steel bars is arranged in the blanking gap, the feeding frame comprises a rotating shaft rotatably connected to the frame and supporting rods radially fixedly arranged on the outer wall of the rotating shaft along the rotating shaft, a plurality of supporting rods are circumferentially arranged along the rotating shaft, a force transmission assembly is arranged between each connecting rod and the corresponding rotating shaft, and when the connecting rod rotates clockwise, the rotating shaft rotates an angle difference between the two supporting rods; at least one supporting rod is in a horizontal state in a conventional state and supports the reinforcing steel bars positioned at the blanking gap.
Preferably, the collecting box is rotationally connected with a mounting shaft, the mounting shaft is axially and slidably connected with the collecting box along the mounting shaft, a pawl is fixed on the mounting shaft, a ratchet wheel matched with the pawl is circumferentially fixed on the rotating shaft and slidably connected with the rotating shaft, a gear set is arranged between the connecting shaft and the mounting shaft, the gear set comprises a flat gear set for adjusting the transmission ratio by a bevel gear combination used for reversing, and a force transmission assembly is formed by the ratchet wheel, the pawl and the gear set.
Preferably, the feeding mechanism comprises a mounting frame which is arranged on the frame and provided with a through groove along the vertical direction, an adjusting block which is connected in the mounting frame in a sliding manner, an upper guide wheel which is connected on the adjusting block in a rotating manner, an adjusting screw which is arranged along the vertical direction and used for adjusting the position of the adjusting block in the through groove, a lower driving wheel which is connected on the mounting frame in a rotating manner, and a driving motor which is used for driving the lower driving wheel to rotate, wherein the adjusting screw is connected in the mounting frame in a rotating manner and is connected with the adjusting block in a threaded manner.
In summary, the present application includes at least one of the following beneficial technical effects:
the limit of the cutting length of the steel bar is realized through a pure mechanical structure, the stability is good, and a complex control program is not needed;
the safety hidden trouble caused by the cutter falling caused by the program error is prevented through the pure mechanical structure, and the reliability of the device is improved;
the cutting machine can be used for cutting steel bars with different lengths;
the cut steel bars can be stably fed.
Drawings
Fig. 1 is a schematic structural view of embodiment 1;
FIG. 2 is a cross-sectional view of example 1;
FIG. 3 is a cross-sectional view of example 1 at a cutter seat;
FIG. 4 is a schematic diagram of the structure of embodiment 1 for embodying a transmission assembly;
FIG. 5 is a cross-sectional view of example 1 at the intermediate block;
FIG. 6 is a partial schematic view of example 1 at a connecting rod;
fig. 7 is a sectional view of example 2 at a feeder frame.
Reference numerals illustrate: 1. a frame; 2. a through groove; 3. a mounting frame; 4. an adjusting block; 5. an upper guide wheel; 6. adjusting a screw rod; 7. a lower driving wheel; 8. a driving motor; 9. a cutter holder; 10. a cutting knife; 11. a cutting table; 12. a hydraulic cylinder; 13. a middle block; 14. a first reset member; 15. a transverse block; 16. a vertical block; 17. a guide rod; 18. a guide sleeve; 19. connecting sleeves; 20. a return spring; 21. an adjusting nut; 22. a limiting block; 23. a blanking gap; 24. a collection box; 25. a connecting seat; 26. a connecting rod; 27. a push rod; 28. a chute; 29. a slide block; 30. a base; 31. connecting a screw rod; 32. a force application plate; 33. an adjustment tank; 34. a fixing nut; 35. a fixed screw; 36. a first blocking piece; 37. a second blocking piece; 38. a rotating shaft; 39. a support rod; 40. a mounting base; 41. and a connecting shaft.
Description of the embodiments
The present application is described in further detail below with reference to the accompanying drawings.
Embodiment 1, as shown in fig. 1, the embodiment of the application discloses a reinforcing steel bar cutting device, which comprises a frame 1, a feeding mechanism and a cutting mechanism. The reinforcing steel bars are fed through the feeding mechanism, and the reinforcing steel bars are cut at equal intervals through the cutting mechanism.
Specifically, as shown in fig. 1, the feeding mechanism includes a mounting frame 3 installed on the frame 1 and provided with a through groove 2 along a vertical direction, an adjusting block 4 slidingly connected in the mounting frame 3, an upper guide wheel 5 rotationally connected on the adjusting block 4, an adjusting screw 6 arranged along the vertical direction and used for adjusting the position of the adjusting block 4 in the through groove 2, a lower driving wheel 7 rotationally connected on the mounting frame 3, and a driving motor 8 used for driving the lower driving wheel 7 to rotate, wherein the adjusting screw 6 is rotationally connected to the mounting frame 3 and is in threaded connection with the adjusting block 4.
The driving motor 8 drives the driving wheel to rotate so as to give forward driving force to the reinforcing steel bars, and the reinforcing steel bars are transported forward. The cooperation of drive wheel and leading wheel can carry out the spacing of vertical direction to the reinforcing bar for the reinforcing bar is stable to be maintained at certain height. And the adjusting screw rod 6 is rotated to adjust the distance between the driving wheel and the guide wheel according to the different diameters of the reinforcing steel bars, so that the application range of the device is enlarged.
As shown in fig. 2 and 3, the cutting mechanism comprises a cutter holder 9 slidably connected to the frame 1, a cutter 10 mounted on the cutter holder 9, a cutting table 11 positioned below the cutter 10 and fixedly mounted on the frame 1, a hydraulic cylinder 12 mounted on the frame 1 to provide driving force in the vertical direction, and an intermediate block 13 disposed between a piston rod of the hydraulic cylinder 12 and the cutter holder 9. A first reset piece 14 is arranged between the cutter seat 9 and the frame 1, the first reset piece 14 is a spring, and the first reset piece 14 is provided with two and distributed on two sides of the cutter seat 9. The first return element 14 serves to return the cutting insert 9 after the loss of the drive force of the hydraulic cylinder 12.
When the steel bar cutting machine works, the piston rod of the hydraulic cylinder 12 always keeps reciprocating motion at a set frequency, and when the feeding mechanism drives the steel bar to feed forwards to a set position, the middle block 13 enters between the piston rod of the hydraulic cylinder 12 and the cutting tool rest 9, and the piston rod of the hydraulic cylinder 12 drives the cutting tool rest 9 to move downwards by pushing the middle block 13, so that the steel bar cutting by the cutting tool 10 is completed. After the cutting is completed, the intermediate block 13 is moved away from between the piston rod of the hydraulic cylinder 12 and the cutting blade holder 9, and the cutting blade holder 9 is moved upwards to the original position by the first reset member 14, ready for the next cutting. Meanwhile, when the middle block 13 is not positioned between the piston rod of the hydraulic cylinder 12 and the cutter holder 9, the piston rod of the hydraulic cylinder 12 cannot contact the cutter holder 9 no matter how the piston rod moves, so that the cutter 10 cannot descend, and the reliability with potential safety hazards is reduced.
As shown in fig. 4 and 5, in particular, the intermediate block 13 comprises a transverse block 15 for insertion between the cutting blade holder 9 and the piston rod of the hydraulic cylinder 12 and a vertical block 16 fixedly connected to one end of the transverse block 15. A guide rod 17 is arranged on the frame 1 along the vertical direction, a guide sleeve 18 is sleeved on the guide rod 17 in a sliding manner, a connecting sleeve 19 is connected to the outside of the guide sleeve 18 in a rotating manner, and a first torsion spring is arranged between the connecting sleeve 19 and the guide sleeve 18. The vertical block 16 is fixedly connected to the outer wall of the connecting sleeve 19. The guide bar 17 is mounted to the frame 1 by means of a mounting block 40. The guide rod 17 is sleeved with a return spring 20, and the return spring 20 is positioned between the guide sleeve 18 and the mounting seat and is abutted to the lower end of the guide sleeve 18 and the upper end of the mounting seat. The guide rod 17 is in threaded connection with an adjusting nut 21, and the adjusting nut 21 is positioned above the guide sleeve 18 and abuts against the upper end of the guide sleeve 18.
In operation, the height of the intermediate block 13 is adjusted by rotating the adjusting nut 21 so that it can smoothly enter between the piston rod of the hydraulic cylinder 12 and the cutter holder 9 during movement. At the time of cutting, the hydraulic cylinder 12 pushes the lateral mass 15 downward, at which time the return spring 20 is compressed. After the cutting is completed, the hydraulic cylinder 12 leaves the transverse block 15, and the guide sleeve 18 drives the transverse block 15 to return to the original height under the action of the return spring 20, so that the preparation is made for the next cutting.
In order to enable the cut steel bars to be the same as the set length, a limiting block 22 is connected to the frame 1, a linkage mechanism is arranged between the limiting block 22 and the middle block 13, and a blanking gap 23 for the steel bars to fall off is formed between the limiting block 22 and the cutting table 11. A collecting box 24 is arranged below the blanking gap 23 for conveniently collecting the reinforcing steel bars.
As shown in fig. 4, the linkage mechanism includes a connection base 25 fixedly mounted on the frame 1, a link 26 rotatably connected to the connection base 25, a push rod 27 mounted at an end of the link 26 remote from the connection base 25, and a second torsion spring connected between the connection base 25 and the link 26 for maintaining the link 26 at a fixed angle with respect to the connection base 25. The stopper 22 is fixedly arranged on the outer wall of the connecting rod 26, and the push rod 27 is arranged along the feeding direction of the reinforcing steel bars.
When the steel bar moves forwards for a certain distance, the steel bar pushes the limiting block 22 to apply force to the connecting rod 26, so that the connecting rod 26 rotates relative to the connecting seat 25 to drive the push rod 27 to push the vertical block 16, at the moment, the connecting sleeve 19 rotates relative to the guide sleeve 18, the transverse block 15 enters between the cutter holder 9 and the piston rod of the hydraulic cylinder 12, and at the moment, the first torsion spring is compressed. After the steel bar is cut and falls from the blanking gap 23, the limiting block 22 loses the thrust of the steel bar on the steel bar, the connecting rod 26 is reset under the action of the second torsion spring, the vertical block 16 loses the thrust of the push rod 27 on the connecting sleeve 19 rotates and resets relative to the guide sleeve 18 under the action of the first torsion spring, and the preparation is made for the next cutting.
As shown in fig. 4, in order to allow the device to be used for cutting bars of different lengths, the connecting seat 25 comprises a seat body 30 formed by a chute 28 and a slider 29 slidingly connected in the chute 28. The chute 28 is arranged along the feeding direction of the steel bar, and the slide block 29 is provided with a fixing piece for relatively fixing the slide block 29 and the seat body 30. The fixing part is a connecting screw rod 31 which is arranged along the length direction of the chute 28 and is connected to the sliding block 29 in a threaded manner. Both ends of the connecting screw rod 31 are rotatably connected to the base 30 through bearings, and a force application disc 32 is mounted at one end of the connecting screw rod 31.
As shown in fig. 4 and 6, the link 26 is rotatably connected to the slider 29, and the push rod 27 is mounted to the link 26 by an adjusting member for adjusting the position of the push rod 27 relative to the link 26. The push rod 27 is provided with an adjusting groove 33 along the length direction thereof, and the adjusting piece comprises a fixing screw rod 35 penetrating through the adjusting groove 33 and the connecting rod and a fixing nut 34 connected with one end of the fixing screw rod 35 in a threaded manner, and the fixing nut 34 and the force application head of the fixing screw rod 35 clamp and fix the push rod 27 and the connecting rod 26.
When the adjustment is needed, the sliding block 29 can be driven to slide in the sliding groove 28 by screwing the connecting screw rod 31, so that the position of the limiting block 22 relative to the feeding mechanism is adjusted, and the length of the cut steel bar is adjusted. The position of the push rod 27 relative to the connecting rod 26 is adjusted by the adjusting piece in each country, so that after the sliding block 29 slides, the push rod 27 can still not contact with the middle block 13 when the connecting rod 26 is at the initial position, and after the connecting rod 26 is pushed to rotate by the reinforcing steel bar, the middle block 13 is driven to enter between the piston rod of the hydraulic cylinder 12 and the cutter holder 9, so that cutting action is smoothly performed.
As shown in fig. 6, in order to make the limit position and the reset position of the connecting rod 26 driven by the steel bar rotate according to the set positions, a first blocking piece 36 and a second blocking piece 37 are fixedly connected to the sliding block 29, the first blocking piece 36 and the second blocking piece 37 are respectively located on the same side of the connecting rod 26, the first blocking piece 36 is used for limiting the limit angle of rotation when the connecting rod 26 resets, and the second blocking piece 37 is used for limiting the limit angle of rotation when the connecting rod 26 is pushed by the steel bar. Thereby further enabling the length of the cut reinforcing steel bar to meet the set requirement.
Embodiment 2, as shown in fig. 7, the difference between embodiment 2 and embodiment 1 is that in order to reduce the impact force applied when the steel bar falls, a feeding frame for supporting the cut steel bar is provided above the collecting box 24, the feeding frame includes a rotating shaft 38 rotatably connected to the frame 1 and a supporting rod 39 fixedly provided on the outer wall of the rotating shaft 38 along the radial direction of the rotating shaft 38, and a plurality of supporting rods 39 are provided along the circumferential direction of the rotating shaft 38. In this embodiment, four support rods 39 are provided, and the adjacent support rods 39 are spaced by 90 degrees. The link 26 is rotatably connected to the slider 29 by a connecting shaft 41. The collecting box 24 is rotatably connected with a mounting shaft which is connected with the collecting box 24 in a sliding manner along the axial direction of the mounting shaft. A pawl is fixed to the mounting shaft 41. A ratchet wheel matched with the pawl is fixedly arranged on the rotating shaft 38 in the circumferential direction and slidingly connected with the rotating shaft. A gear set is arranged between the mounting shaft and the mounting shaft, and comprises a bevel gear combination for reversing and a flat gear set for adjusting the transmission ratio. The ratchet wheel, the pawl and the gear set form a force transmission assembly.
The power of the connecting shaft 41 is converted into rotary torque with proper direction and magnitude through a gear set, and is transmitted to the rotating shaft 38 through a pawl ratchet wheel, so that the driving of the feeding frame is completed. When the slide block 29 slides, the shaft needs to be slidably mounted relative to the frame 1 to ensure that the gear sets remain engaged, and then the ratchet wheel is slid relative to the rotating shaft 38 to ensure that the ratchet wheel and the pawl are engaged. The specific installation shaft can slide and fix relative to the frame 1 in a bolt, high friction mode and the like, the ratchet wheel and the rotating shaft 38 are the same, and the sliding and fixing between the ratchet wheel and the rotating shaft 38 can be realized in a bolt, high friction mode and the like.
In the normal state, two support rods 39 are in a horizontal state, one of which is positioned below the reinforcing steel bar at the blanking interval 23. Until the bar is cut and then dropped onto the support bar 39, the shaft 38 is rotated 90 degrees so that the bar 39 transfers the bar above it into the collection bin 24 and the other bar 39 moves to the position just above the bar 39 in preparation for the next support of the cut bar. Through the middle transmission of bracing piece 39, can play the effect of buffering transmission reinforcing bar for the better straightness that keeps of the reinforcing bar that is decided.
The embodiments of the present invention are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. The utility model provides a device is decided to reinforcing bar, includes frame (1), is used for driving feed mechanism, sliding connection in cutting blade holder (9) of frame (1) of reinforcing bar forward transportation, installs cutting knife (10) on cutting blade holder (9), is located cutting knife (10) below and fixed mounting in cutting table (11) of frame (1), installs hydraulic cylinder (12) that provide along vertical direction drive power on frame (1), its characterized in that: the piston rod of the hydraulic cylinder (12) is arranged above the cutter holder (9) and is arranged at intervals with the cutter holder (9), an intermediate block (13) is arranged between the cutter holder (9) and the piston rod of the hydraulic cylinder (12), the hydraulic cylinder (12) pushes the cutter holder (9) to move along the vertical direction through the intermediate block (13), and when the intermediate block (13) is not arranged between the cutter holder (9) and the hydraulic cylinder (12), the piston rod of the hydraulic cylinder (12) does not touch the cutter holder (9) when moving;
a first reset piece (14) for resetting the cutter holder (9) after the driving force of the hydraulic cylinder (12) is lost is arranged between the cutter holder (9) and the frame (1), a limiting block (22) is connected to the frame (1), a linkage mechanism is arranged between the limiting block (22) and the middle block (13), and a blanking gap (23) for the steel bar to drop is formed between the limiting block (22) and the cutting table (11); the middle block (13) is not located between the cutter holder (9) and the piston rod of the hydraulic cylinder (12) in a natural state, when the steel bars move forwards to be abutted against the limiting block (22) and move forwards continuously until the limiting block (22) is driven to move relative to the frame (1), the linkage mechanism drives the middle block (13) to enter the space between the cutter holder (9) and the piston rod of the hydraulic cylinder (12), the hydraulic cylinder (12) pushes the cutter holder (9) to move along the vertical direction through the middle block (13) to finish cutting of the steel bars by the cutter (10), the cut steel bars drop downwards to leave the limiting block (22), and the limiting block (22) resets under the driving of the linkage mechanism to prepare for cutting the next steel bars.
2. A bar cutting apparatus according to claim 1, wherein: the middle block (13) comprises a transverse block (15) which is used for being inserted between a cutter holder (9) and a piston rod of a hydraulic cylinder (12) and a vertical block (16) which is fixedly connected to one end of the transverse block (15), a guide rod (17) is arranged on the frame (1) along the vertical direction, a guide sleeve (18) is sleeved on the guide rod (17) in a sliding mode, a connecting sleeve (19) is connected to the outer side of the guide sleeve (18) in a rotating mode, a first torsion spring is arranged between the connecting sleeve (19) and the guide sleeve (18), the vertical block (16) is fixedly connected to the outer wall of the connecting sleeve (19), the guide rod (17) is installed on the frame (1) through a mounting seat, a reset spring (20) is sleeved on the guide rod (17), and the reset spring (20) is located between the guide sleeve (18) and the mounting seat and is abutted to the lower end of the guide sleeve (18) and the upper end of the mounting seat. The linkage mechanism is used for applying force to the vertical block (16) so that the connecting sleeve (19) rotates relative to the guide sleeve (18) to enable the transverse block (15) to enter between the cutter seat (9) and a piston rod of the hydraulic cylinder (12), and the first torsion spring is compressed at the moment.
3. A bar cutting apparatus according to claim 2, wherein: an adjusting nut (21) is connected to the guide rod (17) in a threaded mode, and the adjusting nut (21) is located above the guide sleeve (18) and abuts against the upper end of the guide sleeve (18).
4. A bar cutting apparatus according to claim 1, wherein: the linkage mechanism comprises a connecting seat (25) fixedly arranged on the frame (1), a connecting rod (26) rotatably connected to the connecting seat (25), a push rod (27) arranged at one end of the connecting rod (26) far away from the connecting seat (25), and a second torsion spring connected between the connecting seat (25) and the connecting rod (26) and used for enabling the connecting rod (26) to keep a fixed angle relative to the connecting seat (25), wherein a limiting block (22) is fixedly arranged on the outer wall of the connecting rod (26), and the push rod (27) is arranged along the feeding direction of the reinforcing steel bars; when the steel bar moves forwards for a certain distance, the steel bar applies force to the connecting rod (26) by pushing the limiting block (22), so that the connecting rod (26) rotates relative to the connecting seat (25) to drive the push rod (27) to push the vertical block (16), and the transverse block (15) enters between the cutter seat (9) and a piston rod of the hydraulic cylinder (12).
5. A bar cutting apparatus according to claim 4, wherein: the connecting seat (25) comprises a seat body (30) formed by a sliding groove (28) and a sliding block (29) which is connected in the sliding groove (28) in a sliding way, the sliding groove (28) is arranged along the feeding direction of the steel bars, a fixing piece for relatively fixing the sliding block (29) and the seat body (30) is arranged on the sliding block (29), the connecting rod (26) is rotationally connected onto the sliding block (29), the push rod (27) is installed on the connecting rod (26) through an adjusting piece, and the adjusting piece is used for adjusting the position of the push rod (27) relative to the connecting rod (26).
6. A bar cutting apparatus according to claim 4, wherein: the sliding block (29) is fixedly connected with a first blocking block (36) and a second blocking block (37), the first blocking block (36) and the second blocking block (37) are located on the same side of the connecting rod (26), the first blocking block (36) is used for limiting the limit angle of rotation when the connecting rod (26) is reset, and the second blocking block (37) is used for limiting the limit angle of the connecting rod (26) when the connecting rod is pushed to rotate by a reinforcing steel bar.
7. A bar cutting apparatus according to claim 4, wherein: the adjusting device is characterized in that an adjusting groove (33) is formed in the push rod (27) along the length direction of the push rod, the adjusting piece comprises a fixing screw rod (35) penetrating through the adjusting groove (33) and the connecting rod and a fixing nut (34) connected to one end of the fixing screw rod (35) in a threaded mode, and the fixing nut (34) and a force application head of the fixing screw rod (35) clamp the fixing push rod (27) and the connecting rod (26).
8. A bar cutting apparatus according to claim 4, wherein: a feeding frame for supporting the cut steel bars is arranged in the blanking gap (23), the feeding frame comprises a rotating shaft (38) rotatably connected to the frame (1) and a supporting rod (39) fixedly arranged on the outer wall of the rotating shaft (38) along the radial direction of the rotating shaft (38), the supporting rod (39) is circumferentially provided with a plurality of supporting rods along the rotating shaft (38), a force transmission assembly is arranged between the connecting rod (26) and the rotating shaft (38), and when the connecting rod (26) rotates clockwise, the rotating shaft (38) rotates an angle difference between the two supporting rods (39); at least one supporting rod (39) is in a horizontal state in a normal state and supports the reinforcing steel bars positioned at the blanking gap (23).
9. A bar cutting apparatus according to claim 4, wherein: the collecting box (24) is rotationally connected with a mounting shaft, the mounting shaft is axially and slidably connected with the collecting box (24) along the mounting shaft, a pawl is fixed on the mounting shaft, a ratchet wheel matched with the pawl is circumferentially fixed on the rotating shaft (38) and slidably connected with the rotating shaft, a gear set is arranged between the connecting shaft (41) and the mounting shaft, the gear set comprises a flat gear set for adjusting a transmission ratio by a reversing bevel gear combination, and a force transmission assembly is formed by the ratchet wheel, the pawl and the gear set.
10. A bar cutting apparatus according to claim 4, wherein: the feeding mechanism comprises a mounting frame (3) which is arranged on the frame (1) and provided with a through groove (2) along the vertical direction, an adjusting block (4) which is connected in the mounting frame (3) in a sliding manner, an upper guide wheel (5) which is connected onto the adjusting block (4) in a rotating manner, an adjusting screw (6) which is arranged along the vertical direction and used for adjusting the position of the adjusting block (4) in the through groove (2), a lower driving wheel (7) which is connected onto the mounting frame (3) in a rotating manner, and a driving motor (8) which is used for driving the lower driving wheel (7) to rotate, wherein the adjusting screw (6) is connected onto the mounting frame (3) in a rotating manner and is connected onto the adjusting block (4) in a threaded manner.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310244186.4A CN116078955B (en) | 2023-03-09 | 2023-03-09 | Reinforcing bar cutting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310244186.4A CN116078955B (en) | 2023-03-09 | 2023-03-09 | Reinforcing bar cutting device |
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| CN116078955B CN116078955B (en) | 2024-09-10 |
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| CN117123704A (en) * | 2023-08-17 | 2023-11-28 | 湖州南浔精弘机械制造有限公司 | Steel wire feeding device for smooth round bar wire drawing production |
| CN117206434A (en) * | 2023-11-07 | 2023-12-12 | 德通建设集团有限公司 | Fixed-length cutting system for reinforcing steel bars and application method of fixed-length cutting system |
| CN117428125A (en) * | 2023-12-19 | 2024-01-23 | 福州立洲弹簧有限公司 | Cutting device for spring to be molded |
| CN118371629A (en) * | 2024-05-29 | 2024-07-23 | 惠州市亚龙轨枕器材有限公司 | Automatic cutting equipment for sleeper steel bar machining |
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| CN116078955B (en) | 2024-09-10 |
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