CN2562895Y - Steel bar straightening cutter - Google Patents
Steel bar straightening cutter Download PDFInfo
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- CN2562895Y CN2562895Y CN 02277038 CN02277038U CN2562895Y CN 2562895 Y CN2562895 Y CN 2562895Y CN 02277038 CN02277038 CN 02277038 CN 02277038 U CN02277038 U CN 02277038U CN 2562895 Y CN2562895 Y CN 2562895Y
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- fixed
- straightening
- cutting
- sector rack
- casing
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Abstract
The utility model provides a steel bar straightening cutter comprising a straightening mechanism and a shearing mechanism. The utility model is characterized in that a cutting driving gear 8 of the shearing mechanism is connected with a power device via a straightening whirling stand 3. The center of a sector rack 9 with a moving blade 17 is sleeved in a shaft sleeve 12 with a moving shaft 11 and fixed on a box body 19. The sector rack 9 is meshed with the cutting driving gear 8 when receiving cutting instruction, and the cut-in point is provided with a guiding tooth 22. A vertical return spring 23 and a horizontal return spring 13 are connected between the box body 19 and the sector rack 9. A positioning tenon 24 is fixed on the upper side of the sector rack 9 vertically, and a positioning hook 14 is fixed in the corresponding position of a positioning hook fixing rod 18. The steel bar straightening cutter of the utility model has the advantages of one power shared by straightening mechanism and shearing mechanism, little length difference of sheared steel bar, elimination of special draughting mechanism, small power consumption and low cost.
Description
Technical field
The utility model relates to a kind of concrete-bar straightening-cutting machine, belongs to the steel bar processing machinery technical field, specifically: relate to a kind of with bar straightening and on demand size with the machine of bar cutting.
Background technology
Concrete-bar straightening-cutting machine generally is used for straightening and cuts off the following reinforcing bar of diameter 14mm.At present, the kind of the concrete-bar straightening-cutting machine that uses both at home and abroad is more.The straightening mechanism of most of traditional concrete-bar straightening-cutting machines and cutting mechanism are driven by two cover power drive systems respectively and carry out work, machine is more complicated all, bulky, weight is big, carrying is not nimble, and power is big, power consumption is big, manufacturing cost and operating cost height.Such as concrete-bar straightening-cutting machines such as hammer shearing, hydraulic jack shearing or the secondary engagement of special gear shearings.In general traditional hammer concrete-bar straightening-cutting machine, is made up of straightening drum, haulage gear, shut-off mechanism, reinforcing bar fixed length mechanism, frame and drive unit.By belt transmission, make reinforcing bar that the speed governing tube rotates through the speed governing tube at a high speed by motor, and remove the scale of rebar surface by the straightening mould by straightening; By motor by another to deceleration belt pulley and gear reduction box, drive on the one hand two transmission pressure rollers and drawing reinforcing bar and travel forward, on the other hand, drive crankwheel tup moved up and down.When bar straightening to predetermined length, tup hammering upper tool post, with bar cutting, the reinforcing bar of cut-out falls into when being subjected to bin because the effect of spring, knife rest is got back to original position again and is finished a circulation.China's patent documentation discloses a kind of concrete-bar straightening-cutting machine, and the patent No. is 00268912.X.Above-mentioned concrete-bar straightening-cutting machine is made up of actuating unit, straightening mechanism and cutting mechanism.It is characterized in that: motor is connected as a single entity with the straight-tooth pinion that can drive the rotation of cutting mechanism eccentric shaft by big belt pulley and the straightening drum that the belt pulley transmission drives.The facewidth of straight-tooth pinion is greater than the facewidth of the straight-tooth gear wheel that is meshed with it.The cutting mechanism that is driven by gear drive comprises eccentric shaft, fork, pull bar and cuts with scissors moving knife bar, cutting blade and the ledger-plate that connection also can move mutually with fork in the slideway on the cutting mechanism bearing that all unifying to be installed in can be on the cutting mechanism bearing that moves on the fixed frame slideway.The pull bar intermediate point is supported on the strong point on the cutting mechanism bearing, and the one end is pulled by hand, and the other end can promote fork around its bearing pin swing.The fork upper end can contact with eccentric shaft, and the lower end is connected with the cutting blade that can move up and down in the slideway on the cutting mechanism bearing by bearing pin, and cutting blade is fixed on the lower end of moving knife bar.On the respective point on the cutting mechanism bearing, three springs that can make pull bar, fork homing are installed, on the respective point of fixed frame, the spring that can make cutting mechanism bearing homing is installed.Above-mentioned steel bar straightening cutting machine, its straight-tooth gear wheel is coaxial with eccentric shaft, and the straight-tooth gear wheel rotates a circle, and shear only does work once.The straight-tooth pinion rotates 1 all straightening drums and rotated for 1 week, is moved ahead 4-5 centimetre by the straightening reinforcing bar.Suppose that the straight-tooth gear wheel rotated for 1 week, in straightening drum rotation n week, n＞1 then instruct shear reinforcement, reinforcing bar to move ahead 4-5 * n centimetre from assigning to shear, that is the error in length maximum of reinforcing bar can reach 4-5 * n centimetre.The error in length of shear reinforcement is bigger.In addition, the instruction of shearing manipulation can only be finished by manual operations, and efficiency is low.
Summary of the invention
The object of the present invention is to provide a kind of concrete-bar straightening-cutting machine.Described concrete-bar straightening-cutting machine few easy workout part, it is little to cut off error.
In order to achieve the above object, the technical solution of the utility model is following design:
A kind of concrete-bar straightening-cutting machine, comprise straightening mechanism, cutting mechanism, straightening mechanism comprises the straightening reversing frame, cutting mechanism comprises cutting blade and ledger-plate, it is characterized in that: be fixed with big belt pulley and minor sprocket respectively on the axle at straightening reversing frame two ends, big belt pulley connects with motor mutually by belt, and minor sprocket is connected with hinge wheel by chain; Hinge wheel is connected as a single entity by the power transmission shaft that is fixed on the casing with cutting off driving gear, and attaching has cutting blade and the sector rack that is fixed on the casing by the center servo axis is meshed with the cut-out driving gear receiving when cutting off instruction; Sector rack has guide gear with the point of penetration position that cuts off driving gear; Guide gear is fixed on the sector rack by spring and tooth cover, be fixed with the ledger-plate that matches with cutting blade with the corresponding position of cutting blade on the casing, the position of cutting blade and ledger-plate sheared edge is with to be cut reinforcing bar corresponding by the position in hole, and the center servo axis is fixed on the casing in the mode that is enclosed within the axle sleeve; Between casing and the sector rack, be connected with vertical return spring and horizontal return spring; Center line is vertically dashed forward the bamboo shoot vertical fixing in the upper side edge of sector rack by the location in servo axis axle center, center, be fixed on the relevant position of the location hook fixed bar on the casing, be fixed with and locate prominent bamboo shoot location hook that match, that be used to limit the movement locus of locating prominent bamboo shoot, the casing position of sector rack upper and lower is fixed with backstay, following backstay respectively.
A kind of concrete-bar straightening-cutting machine is characterized in that: ledger-plate is made up of in the mode that wherein overlaps on one side two identical regular polygon blade units, and a pair of adjacent edge of two regular polygons formed " V " font and sheared the position; Cutting blade circle or regular polygon.
A kind of concrete-bar straightening-cutting machine is characterized in that: the corresponding position of the upside of sector rack be fixed with carry out to cut off instruction, be used to promote the electromagnet assembly that sector rack is meshed with the cut-out driving gear.
Operation principle of the present utility model is such:
Motor drives the straightening reversing frame rotation that two ends are being fixed big belt pulley and minor sprocket respectively by belt transmission.Minor sprocket drives by chain and is installed in cutting mechanism and cuts off on the casing, the continuous rotation of cut-out driving tooth crop rotation that connects as one with hinge wheel and power transmission shaft.Like this, realized that straightening mechanism and shut-off mechanism share a cover power.Attaching has the sector rack of cutting blade, only when instruction is cut off in execution, could mesh with the cut-out driving gear under the effect of cutting off thrust.When sector rack meshes with the cut-out driving gear, by the guiding of elasticity guide gear, to prevent sector rack tooth and the rigid collision of cutting off drive gear teeth.Reinforcing bar is under the effect of straightening reversing frame, and it is mobile forward by the hole constantly to pass reinforcing bar.When the length of reinforcing bar alignment part reached setting, shut-off mechanism received the rupturing operation instruction.Adopted electromagnet assembly as carry out cut off instruction, be used to promote sector rack and executing agency that the cut-out driving gear is meshed after, just can realize cutting automatically reinforcing bar.When sector rack was carried out shearing manipulation, toward the direction swing near ledger-plate, cutting blade and ledger-plate were joined gradually reinforcing bar are implemented to shear around the center servo axis.After bar cutting finished, the bar cutting mouth withstood sector rack.Under the effect of the reinforcing bar thrust that moves ahead continuously, the mode that sector rack slides along axle sleeve with the center servo axis, move to direction away from casing with steel bar continuous.Sector rack is returned to position original to be cut off after moving to the disengaging of sector rack tooth and cutting off the engagement of driving gear under the acting in conjunction of vertical return spring and horizontal return spring, finish an operation cycle.It is consumable accessory that cutting mechanism has two moving components, i.e. the prominent bamboo shoot in the location that is connected as a single entity with sector rack, the location hook of restriction sector rack movement locus, the finger-type guide gear of sector rack, few easy workout part.Maintenance is easy, and maintenance cost is low.Sector rack and any one tooth incision engagement of initiatively cutting off gear can both be implemented rupturing operation, and the chance of the two combination is many, and the error in length of cutting off reinforcing bar is little.Concrete-bar straightening-cutting machine described in the utility model, the cutting blade of employing are regular polygon or circle, and ledger-plate is made up of the regular polygon blade unit.When the frequent cut part of blade bit loss bad time, can pass through the certain angle of rotating blade, other that make blade not abration position are in frequent shearing position, and the life-span that blade uses is long.Shear position shear reinforcement 15000kg with each, blade described in the utility model can be adjusted 16 times, but a cover blade shear reinforcement 16 * 15000=240000kg then improves 16 times of service lifes than traditional blade.Concrete-bar straightening-cutting machine described in the utility model directly adopts the straightening reversing frame to promote reinforcing bar and moves ahead, and has saved special haulage gear.Compare with other concrete-bar straightening-cutting machine, concrete-bar straightening-cutting machine described in the utility model has little, the cheap advantage of power consumption.See Table 1
When sector rack is in when waiting to cut off the position, the prominent bamboo shoot in location are between location hook and casing.When sector rack is carried out the cut-out instruction, the direction rotation that sector rack is meshed with the cut-out driving wheel around center servo axis edge under the effect of thrust.Sector rack initiatively cuts off gear with cut-out and is meshed under the guiding of guide gear.Sector rack continues rotation under the effect of initiatively cutting off gear.To stretch out the bar cutting of reinforcing bar by the shearing force of cutting blade and ledger-plate by the hole.
After the bar cutting, sector rack certain angle of pivoting, the prominent bamboo shoot in location also rotate to an angle with respect to location hook.At this moment, the prominent bamboo shoot disengaging in location location hook stops that sector rack has blocked reinforcing bar and passed through the hole.And reinforcing bar continues to move ahead under the effect of straightening revolving drum, simultaneously, promotes sector rack toward the direction motion away from casing.To the sector rack tooth and after initiatively cutting off gear disengaging engagement, sector rack past rapidly opposite direction under the effect of vertical return spring is rotated, and is repositioned to contact upper limit bar and stops the rotation, and at this moment, the prominent bamboo shoot in location are positioned at location hook away from casing one side.Under the effect of horizontal return spring, sector rack is toward moving near the casing direction; Simultaneously, the prominent bamboo shoot in location along location hook away from a side shifting of initiatively cutting off gear.Sector rack is returned to position to be cut off.
Table 1 hammer, fluid pressure type, aligning cutting-off device described in the utility model are relatively
Below in conjunction with accompanying drawing is that the specific embodiment describes the utility model in detail.
Fig. 1 is the front view of the specific embodiment
Fig. 2 be the A of Fig. 1 to view, shut-off mechanism is in the cut-out state for the treatment of among the figure
Fig. 3 is the left view of the shut-off mechanism shown in Fig. 2
Fig. 4 is for being in the front view of dissengaged positions for shut-off mechanism
Fig. 5 is for finishing the front view of rupturing operation for shut-off mechanism
1-motor among the figure, the 2-big belt pulley, 3-straightening reversing frame, the 4-minor sprocket, the 5-chain, the 6-hinge wheel, the 7-power transmission shaft, 8-cuts off driving gear, the 9-sector rack, the 10-electromagnet assembly, 11-center servo axis, the axle sleeve of 12-center servo axis, the horizontal return spring of 13-sector rack, the 14-location hook, the 15-reinforcing bar, the 16-ledger-plate, the 17-cutting blade, 18-location hook fixed bar, the 19-casing, 20-guide gear tooth cover, 21-guide gear return spring, the 22-guide gear, the vertical return spring of 23-sector rack, the prominent bamboo shoot in 24-location, backstay under the 25-, the last backstay of 26-, the 27-reinforcing bar passes through the hole
The specific embodiment
A kind of concrete-bar straightening-cutting machine that this specific embodiment is introduced as shown in the figure, comprises straightening mechanism, cutting mechanism.Straightening mechanism comprises straightening reversing frame 3, and cutting mechanism comprises cutting blade 17 and ledger-plate 16.Be fixed with big belt pulley 2 and minor sprocket 4 respectively on the axle at straightening reversing frame 3 two ends.Big belt pulley 2 connects with the active output wheel of motor 1 mutually by belt, and minor sprocket 4 is connected with hinge wheel 6 by chain 5.When motor 1 drove 3 rotations of straightening reversing frame, the minor sprocket 4 on the straightening reversing frame 3 drove the shut-off mechanism running by chain 5, and like this, straightening reversing frame 3 also plays the effect of transmission of power when playing the straightening reinforcing bar.Hinge wheel 6 is connected as a single entity by the power transmission shaft 7 that is fixed on the casing 19 with cutting off driving gear 8, power transmission shaft 7 by bearing fixing on casing 19.Center servo axis 11 is fixed on the casing 19 in the mode that is enclosed within the axle sleeve 12, and center servo axis 11 can move horizontally along axle sleeve 12, also can rotate around axial line.Sector rack 9 is fixed on the casing 19 by 11 activities of center servo axis, is fixed with cutting blade 17 on the sector rack 9, and sector rack 9 is meshed with cut-out driving gear 8 when receiving the cut-out instruction.Sector rack 9 has guide gear 22 with point of penetration position one side of cutting off driving gear 8, and guide gear 22 is fixed on the sector rack 9 by spring 21 and tooth cover 20.When sector rack 9 was meshed with cut-out driving gear 8, at first guide gear 22 contacted with cutting off driving gear 8, and spring 21 has cushioned guide gear 22 and the collision of cutting off driving gear 8, has avoided sector rack 9 teeth to damage because of suffering rigid impact.Be fixed with the ledger-plate 16 that matches with cutting blade 17 with cutting blade 17 corresponding positions on the casing 19, cutting blade 17 and ledger-plate 16 sheared edges are with to be cut reinforcing bar 15 corresponding by hole 27.Between casing 19 and the sector rack 9, be connected with vertical return spring 23 and horizontal return spring 13; Center line is vertically dashed forward bamboo shoot 24 vertical fixing in the upper side edge of sector rack 9 by the location in center servo axis 11 axle center, be fixed on the location hook fixed bar 18 corresponding positions on the casing 19, be fixed with and locate that prominent bamboo shoot are 24 that match, the location hook 14 of the movement locus that is used to limit the prominent bamboo shoot 24 in location.Casing 19 positions of sector rack 9 upper and lowers are fixed with backstay 26, following backstay 25.In this specific embodiment, last backstay 26 is integrated with electromagnet assembly 10 supports.Ledger-plate 16 is made up of in the mode that wherein overlaps on one side two identical octagon blade units, and a pair of adjacent edge of two octagons formed " V " font and sheared the position; Cutting blade 17 is circular.The corresponding position of the upside of sector rack 9 is fixed with carries out the electromagnet assembly 10 that is used to promote sector rack 9 and cut-out driving gear 8 that cuts off instruction.When receiving the cut-out instruction, the push rod of electromagnet assembly 10 promotes sector rack 9 and meshes with cutting off driving gear 8 under the effect of magnetic force, carries out rupturing operation.
Claims (3)
1, a kind of concrete-bar straightening-cutting machine, comprise straightening mechanism, cutting mechanism, straightening mechanism comprises straightening reversing frame (3), cutting mechanism comprises cutting blade (17) and ledger-plate (16), it is characterized in that: be fixed with big belt pulley (2) and minor sprocket (4) respectively on the axle at straightening reversing frame (3) two ends, big belt pulley (2) connects with motor (1) mutually by belt, and minor sprocket (4) is connected with hinge wheel (6) by chain (5); Hinge wheel (6) is connected as a single entity by the power transmission shaft (7) that is fixed on the casing (19) with cutting off driving gear (8), attaching have cutting blade (17), and the sector rack (9) that is fixed on the casing (19) by center servo axis (11) be meshed with cut-out driving gear (8) receiving when cutting off instruction; Sector rack (9) has guide gear (22) with the point of penetration position that cuts off driving gear (8); Guide gear (22) is fixed on the sector rack (9) by spring (21) and tooth cover (20), casing (19) is gone up and is fixed with the ledger-plate (16) that matches with cutting blade (17) with the corresponding position of cutting blade (17), the position of cutting blade (17) and ledger-plate (16) sheared edge is with to be cut reinforcing bar (15) corresponding by the position in hole (27), and center servo axis (11) is fixed on the casing (19) in the mode that is enclosed within the axle sleeve (12); Between casing (19) and the sector rack (9), be connected with vertical return spring (23) and horizontal return spring (13); Center line is vertically dashed forward bamboo shoot (24) vertical fixing in the upper side edge of sector rack (9) by the location in center servo axis (11) axle center, be fixed on the relevant position of the location hook fixed bar (18) on the casing (19), be fixed with and locate prominent bamboo shoot (24) location hook (14) that match, that be used for limiting the movement locus of locating prominent bamboo shoot (24), casing (19) position of sector rack (9) upper and lower is fixed with backstay (26), following backstay (25) respectively.
2, a kind of concrete-bar straightening-cutting machine according to claim 1, it is characterized in that: ledger-plate (16) is made up of in the mode that wherein overlaps on one side two identical regular polygon blade units, and a pair of adjacent edge of two regular polygons formed " V " font and sheared the position; Cutting blade (17) circle or regular polygon.
3, a kind of concrete-bar straightening-cutting machine according to claim 1 is characterized in that: the corresponding position of upside of sector rack (9) be fixed with carry out to cut off instruction, be used to promote the electromagnet assembly (10) that sector rack (9) is meshed with cut-out driving gear (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02277038 CN2562895Y (en) | 2002-08-08 | 2002-08-08 | Steel bar straightening cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02277038 CN2562895Y (en) | 2002-08-08 | 2002-08-08 | Steel bar straightening cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2562895Y true CN2562895Y (en) | 2003-07-30 |
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ID=33740747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02277038 Expired - Fee Related CN2562895Y (en) | 2002-08-08 | 2002-08-08 | Steel bar straightening cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2562895Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479910A (en) * | 2019-08-16 | 2019-11-22 | 冯华翔 | A kind of shear of fully-automatic intelligent precision straightener |
| CN110711830A (en) * | 2019-11-15 | 2020-01-21 | 沈阳航空航天大学 | Equidistant conveying and processing device and method |
| CN113118246A (en) * | 2021-04-09 | 2021-07-16 | 佛山市顺德区惠联模具科技有限公司 | Straightening machine |
-
2002
- 2002-08-08 CN CN 02277038 patent/CN2562895Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479910A (en) * | 2019-08-16 | 2019-11-22 | 冯华翔 | A kind of shear of fully-automatic intelligent precision straightener |
| CN110711830A (en) * | 2019-11-15 | 2020-01-21 | 沈阳航空航天大学 | Equidistant conveying and processing device and method |
| CN110711830B (en) * | 2019-11-15 | 2022-01-14 | 沈阳航空航天大学 | Equidistant conveying and processing device and method |
| CN113118246A (en) * | 2021-04-09 | 2021-07-16 | 佛山市顺德区惠联模具科技有限公司 | Straightening machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |