CN210967188U

CN210967188U - Sectioning equipment of billet

Info

Publication number: CN210967188U
Application number: CN201921796691.5U
Authority: CN
Inventors: 姜遵学; 吕伟良
Original assignee: Qingdao Qianshun Hardware Rigging Co ltd
Current assignee: Qingdao Qianshun Hardware Rigging Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-07-10
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a sectioning equipment of billet belongs to the technical field of billet dissection, and its technical scheme includes the frame that the level set up, frame one end is provided with loading attachment, loading attachment unloading side is provided with rigid coupling in the frame upside and with the same bottom plate of frame length direction, bottom plate middle part rigid coupling has down the cutting edge, cutting edge top still is provided with down can with lower cutting edge complex last cutting edge down, the bottom plate corresponds the one end that loading attachment was kept away from to the cutting edge down and is provided with the fly leaf, perpendicular groove has been seted up at the middle part of fly leaf, one side rigid coupling that the cutting edge was kept away from down to the fly leaf has the lead screw who is the same with bottom plate length direction, the last cover of lead screw is equipped with the limiting plate of vertical setting, the equal threaded connection in both sides that lead screw corresponds the limiting plate. The utility model discloses reach the equal same beneficial effect of length of the steel bar section that can guarantee to cut out.

Description

Sectioning equipment of billet

Technical Field

The utility model belongs to the technical field of the technique of billet dissection and specifically relates to a dissection equipment of billet is related to.

Background

The turn buckle is simple in structure, easy to machine, low in cost and high in practicability, is used for binding and fastening a steel wire rope or tensioning the steel wire rope, and plays a role in adjusting tightness.

The prior Chinese utility model patent with the reference of patent application number CN201110334222.3 discloses a manufacturing and assembling process of a closed turnbuckle, which comprises the steps of selecting a tinplate to cast a turnbuckle blank, turning a turnbuckle screw hole at two ends by a lathe after cleaning, drilling a lubricating hole at the middle point, cleaning the surface, removing oil and rust, and plating zinc on the surface; respectively forging blank pieces of the closed fork head and the closed ring head by a hot forging method, turning a fork head bolt and a closed ring head bolt on a lathe, grinding the diameter of the ring head, soaking the closed fork head and the closed ring head to remove oil, rust and clean, and plating zinc on the surface; the turnbuckle screw holes at the turnbuckle frame two ends are respectively screwed into the closed fork head and the closed ring head, the closed fork head is matched with the standard bolt and the screw cap, the manufacturing and assembling process of the closed turnbuckle is realized, and the utility model discloses a beneficial effect of processing high-quality turnbuckle by mass production is realized.

However, the above prior art solutions have the following drawbacks: need cut off the billet according to actual size in the casting process of colored ring frame blank and become the bar section of different length, but when current sectioning equipment cut the bar into the bar section, can't guarantee that the length of the bar section of cutting out is all the same.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sectioning equipment of billet reaches the equal same beneficial effect of length of the billet section that can guarantee to cut out.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a dissection equipment of billet, frame including the level setting, frame one end is provided with loading attachment, loading attachment unloading side is provided with rigid coupling in the frame upside and with the same bottom plate of frame length direction, bottom plate middle part rigid coupling has lower cutting edge, lower cutting edge top still be provided with can with lower cutting edge complex go up the cutting edge, the bottom plate corresponds down the one end that loading attachment was kept away from to the cutting edge and is provided with the fly leaf, perpendicular groove has been seted up at the middle part of fly leaf, one side rigid coupling that lower cutting edge was kept away from to the fly leaf has the lead screw who is the same with bottom plate length direction, the last cover of lead screw is equipped with the limiting plate of vertical setting, the equal threaded connection in both sides that lead screw corresponds the limiting plate.

By adopting the technical scheme, when steel bar sections with different lengths need to be cut, the plate is moved on the guide screw according to the length of the required steel bar section, when the limiting plate moves to a proper position, the two guide nuts are screwed in the direction of approaching to each other, so that the limiting plate can be clamped by the side of the two guide nuts approaching to each other, thereby adjusting the position of the limiting plate on the guide screw, then the feeding device pushes the steel bar to a cutting device at the blanking side of the feeding device along the horizontal direction, when the steel bar is continuously pushed, one end of the steel bar, which can extend out of the discharge end of the movable plate, abuts against the limiting plate, at the moment, the upper cutting edge moves along the vertical downward direction to be matched with the lower cutting edge so as to cut the steel bar into sections, thereby can guarantee that the length of the steel bar section that cuts out at every turn is the same, can also satisfy the cutting demand of different length steel bar sections through adjusting two leading nut's on the guiding screw rod position moreover.

The utility model discloses further set up to: the equal vertical rigid coupling in both sides of bottom plate has the curb plate, the fly leaf slides along the length direction of bottom plate and connects in the curb plate, two still be provided with between curb plate and the lead screw and drive the buffer that lead screw tended to be close to the loading attachment direction motion.

Through adopting above-mentioned technical scheme, along with during the billet is pushed the cutting device of loading attachment unloading side by loading attachment along the horizontal direction, the billet can extend the one end butt of fly leaf ejection of compact side in the limiting plate and promote the limiting plate and tend to keep away from loading attachment's direction motion, reduce the impact force in the twinkling of an eye of billet one end and limiting plate, and then can make lead screw also tend to the direction motion of keeping away from loading attachment, and then can drive the fly leaf and also tend to the direction motion of keeping away from loading attachment, and then can cushion the propelling movement process of billet.

The utility model discloses further set up to: buffer includes two slide bars of one side that the rigid coupling was kept away from each other in both sides board respectively, two all slide in the slide bar and be connected with a traction lever, two traction lever tip rigid coupling has a traction plate, two all overlap on the traction lever and be equipped with one and tend to be close to the extension spring that resets of loading attachment direction motion, two the one end rigid coupling of extension spring that resets keeps away from the one end of loading attachment in the slide bar, and its other end rigid coupling is on the traction plate.

Through adopting above-mentioned technical scheme, when the billet was promoted forward, the billet can extend the one end butt of fly leaf ejection of compact side in the limiting plate and promote the limiting plate and tend to keep away from loading attachment's direction motion to drive the traction lever and slide in the slide bar, the extension spring that resets simultaneously is stretched, thereby can realize buffering the billet material loading process, and the traction lever can play the supporting role to the extension spring motion process that resets, prevents that the extension spring that resets from taking place the offset in the motion process.

The utility model discloses further set up to: a guide rod is fixedly connected between the movable plate and the limiting plate, and the axis direction of the guide rod is parallel to the axis direction of the guide screw rod.

Through adopting above-mentioned technical scheme, the guide bar can improve the stability when the fly leaf slides.

The utility model discloses further set up to: and a material collecting box with an upward opening is arranged below the discharge side of the cutting device.

Through adopting above-mentioned technical scheme, the billet section that has cut can be convenient for receive the material to the billet section in the workbin that gathers materials that the discharge side of cutting device directly falls into the below.

The utility model discloses further set up to: the bottom plate is vertically provided with a blanking groove penetrating through the bottom plate at a position corresponding to the vertical groove, and the lower side edge of the blanking groove is positioned in an area defined by the upper side edge of the vertical groove.

Through adopting above-mentioned technical scheme, resume as natural state's in-process when the extension spring that resets, can stimulate the fly leaf and slide backward, the billet in billet section rear is pushed forward simultaneously, and the two extrudees the billet section of cutting simultaneously to can extrude the billet section of cutting and drop to in the case that gathers materials after silo and the perpendicular groove down, thereby be convenient for the blanking of billet section.

The utility model discloses further set up to: two the middle part that loading attachment one side was kept away from to the curb plate is the rigid coupling respectively has a stopper, two the both ends that the stopper corresponds the fly leaf are horizontal threaded connection respectively has a spacing double-screw bolt, bottom plate upside both ends still respectively the rigid coupling have two risers, two the riser is located between cutting edge and the fly leaf and can hold the cutting edge.

By adopting the technical scheme, the two limiting studs are rotated to enable the end parts of the two limiting studs to be respectively tightly propped against the two ends of the movable plate on one side away from the feeding device, so that the distance between the limiting studs and the movable plate is adjusted, when cutting is carried out, the movable plate slides along the direction that the movable plate tends to be away from the cutting device, one side of the movable plate close to the limiting studs can be abutted against the end parts of the limiting studs, and therefore the limiting is carried out when the movable plate slides along the direction that the movable plate tends to be away from the feeding device; after the cutting is accomplished, slide along with the direction that the fly leaf trend is close to loading attachment, both ends and one side that two risers are close to each other up to the fly leaf are butt respectively, thereby it is spacing to realize carrying on when the direction that tends to be close to loading attachment to the fly leaf slides, can form the cutting space between one side that two risers and lower sword are close to each other, when last cutting edge downstream, it can insert and locate between the cutting space to go up the cutting edge, and the both sides of going up the cutting edge can butt respectively in one side that two risers and lower sword are close to each other, it carries out the dissection to the billet to be convenient for go up the cooperation between cutting edge and the lower sword.

The utility model discloses further set up to: and one side of each side plate, which is close to each other, is horizontally and fixedly connected with a transverse plate, and the lower side of each transverse plate is abutted against the upper side of the movable plate.

Through adopting above-mentioned technical scheme, when the fly leaf slided along the horizontal direction, the diaphragm can prevent that the fly leaf from sliding the skew that the in-process takes place the position.

The utility model discloses further set up to: the upper end of each side plate is horizontally and fixedly connected with a top plate, a hydraulic cylinder is vertically and fixedly connected to the top plate, and the upper end of the upper cutting edge is fixedly connected to the lower end of a piston rod of the hydraulic cylinder.

Through adopting above-mentioned technical scheme, when the cutting edge carries out the reciprocal linear motion process from top to bottom on the drive, compare with using motor drive cutting edge motion, pneumatic cylinder easy operation just is convenient for maintain.

The utility model discloses further set up to: a piston rod of the hydraulic cylinder is vertically sleeved with a damping spring, one end of the damping spring is abutted to the lower end of the piston rod of the hydraulic cylinder, and the other end of the damping spring is abutted to the upper end of the upper cutting edge.

Through adopting above-mentioned technical scheme, damping spring can slow down the impact force of last cutting edge downcutting process.

To sum up, the utility model discloses a beneficial technological effect does:

1. by adopting the technical scheme, when steel bar sections with different lengths need to be cut, the limiting plate is moved on the guide screw according to the length of the required steel bar section, when the limiting plate moves to a proper position, the two guide nuts are screwed in the direction of approaching to each other, so that the limiting plate can be clamped by the side of the two guide nuts approaching to each other, thereby adjusting the position of the limiting plate on the guide screw, then the feeding device pushes the steel bar to a cutting device at the blanking side of the feeding device along the horizontal direction, when the steel bar is continuously pushed, one end of the steel bar, which can extend out of the discharge end of the movable plate, abuts against the limiting plate, at the moment, the upper cutting edge moves along the vertical downward direction to be matched with the lower cutting edge so as to cut the steel bar into sections, therefore, the lengths of the steel bar sections cut each time can be guaranteed to be the same, and the cutting requirements of the steel bar sections with different lengths can be met by adjusting the positions of the two guide nuts on the guide screw;

2. through the arrangement of the buffer device, as the steel bar is pushed into the cutting device at the blanking side of the feeding device along the horizontal direction by the feeding device, one end of the steel bar, which extends out of the discharging side of the movable plate, abuts against the limiting plate and pushes the limiting plate to move in a direction away from the feeding device, so that the instant impact force between one end of the steel bar and the limiting plate is reduced, the guide screw rod can also move in a direction away from the feeding device, the movable plate can be driven to move in a direction away from the feeding device, and the pushing process of the steel bar can be buffered;

3. through being provided with damping spring, the spring can slow down the impact force of upper slitter edge downcutting process.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of a stopper plate structure in the present embodiment;

FIG. 3 is an enlarged partial schematic view of FIG. 2;

fig. 4 is a schematic view of the upper blade structure in this embodiment.

In the figure, 1, a frame; 11. a feeding device; 111. feeding plates; 112. a feeding roller; 1121. a ring groove; 12. a cutting device; 121. a base plate; 1211. a lower blade; 1212. a discharging groove; 1213. a vertical plate; 122. a side plate; 1221. a limiting block; 1222. a limiting stud; 1223. a slide bar; 1224. a draw bar; 1225. a traction plate; 1226. a return tension spring; 1227. a transverse plate; 123. a top plate; 2. a material collecting box; 3. a movable plate; 31. a guide bar; 32. a limiting plate; 33. a lead screw; 34. a guide nut; 35. a vertical slot; 4. a hydraulic cylinder; 41. pressing a plate; 42. an upper blade; 43. a shock absorbing spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a sectioning equipment for steel bars, which comprises a frame 1, wherein a feeding device 11 is arranged at one end of the frame 1, the feeding device 11 comprises a feeding plate 111 vertically fixedly connected to two sides of the frame 1, two feeding rollers 112 are rotatably connected between the two feeding plates 111, axes of the two feeding rollers 112 are perpendicular to the feeding plate 111, the two feeding rollers 112 are parallel to each other along a vertical direction, an annular groove 1121 is formed in the middle of the outer peripheral surface of each feeding roller 112, the two annular grooves 1121 are respectively coaxial with the corresponding feeding rollers 112, a gap allowing a steel bar to pass through can be formed between one sides of the two annular grooves 1121 which are close to each other, and a motor capable of driving one feeding roller 112 to rotate is further fixedly connected to the feeding plate 111 on one side. The unloading side rigid coupling that frame 1 corresponds two material loading rollers 112 has cutting device 12, and the case 2 that gathers materials has been placed to the discharge side that frame 1 corresponds cutting device 12, and the opening has been seted up to the upper end of case 2 that gathers materials. When the steel bar is segmented, the steel bar is placed in the gap between the two ring grooves 1121, the motor is turned on to drive the two feeding rollers 112 to rotate, the two feeding rollers 112 rotate to push the steel bar to the cutting device 12, the cutting device 12 can cut the steel bar into required steel bar segments, and then the cut steel bar segments can fall into the collecting box 2 from the discharging end of the cutting device 12.

Referring to fig. 2, the cutting device 12 includes a bottom plate 121 horizontally and fixedly connected to one end of the rack 1, the length direction of the bottom plate 121 is the same as the length direction of the rack 1, one end of the bottom plate 121 extends out of the rack 1 and is located above the opening of the material collecting box 2, a side plate 122 is vertically fixedly connected to two sides of the bottom plate 121, a movable plate 3 is vertically arranged on one side of the two side plates 122 close to each other, the movable plate 3 can slide along the length direction of the bottom plate 121, a guide rod 31 and a guide screw 33 are fixedly connected to one side of the movable plate 3 away from the feeding device 11, the guide rod 31 and the guide screw 33 are both parallel to the length direction of the bottom plate 121, a limiting plate 32 vertically arranged is slidably connected to the guide rod 31 along the axis direction thereof, the guide screw 33 penetrates through the limiting plate 32 and has two guide nuts 34 in. A sliding rod 1223 is fixedly connected to one side of each of the two side plates 122, which is away from each other, along the length direction of the bottom plate 121, a pulling rod 1224 is slidably connected to the inside of each of the two sliding rods 1223 along the length direction thereof, a vertically arranged pulling plate 1225 is fixedly connected to one end of each of the two pulling rods 1224, a return tension spring 1226 is further sleeved on each of the two pulling rods 1224, one end of each of the two return tension springs 1226 is fixedly connected to one end of each of the sliding rods 1223, which is away from the feeding device 11, and the other end of each of the two return tension springs 1225 is fixedly connected to the pulling plate 1225.

Referring to fig. 3, the middle portions of the two side plates 122 far away from the feeding device 11 are respectively and fixedly connected with a limiting block 1221, the two limiting blocks 1221 are respectively in threaded connection with a limiting stud 1222, the axial directions of the two limiting studs 1222 are the same as the sliding direction of the movable plate 3, along with the sliding of the movable plate 3 in the direction far away from the cutting device 12, one side of the movable plate 3 close to the limiting stud 1222 can abut against the end portion of the limiting stud 1222, so that the sliding of the movable plate 3 in the direction far away from the feeding device 11 is limited.

When the steel bar is cut into sections, the limiting plate 32 is moved according to the length of the required steel bar, after the limiting plate 32 moves to a proper position, the two guiding nuts 34 are screwed in the direction of approaching to each other, so that the limiting plate 32 can be clamped by the approaching side of the two guiding nuts 34, the positions of the limiting plate 32 on the guiding rod 31 and the guiding screw rod 33 are adjusted, and then the two limiting studs 1222 are rotated to adjust the distance between the limiting studs 1222 and the movable plate 3. Then, the motor is started to drive the two feeding rollers 112 to rotate, and the steel bar is pushed into the cutting device 12 along with the rotation of the two feeding rollers 112, so that one end of the steel bar is abutted to one side, close to the feeding device 11, of the limiting plate 32, and along with the process that the steel bar is pushed by one end, which continuously tends to be far away from the feeding device 11, the steel bar can extend out of the movable plate 3 and push the limiting plate 32 to move towards one end, which tends to be far away from the feeding device 11, the movable plate 3 can be driven by the guide rod 31 to move towards one end, which also tends to be far away from the feeding device 11, and the reset tension spring 1226 is stretched in the process until one side, close to the limiting stud 1222, of the movable plate 3 can be abutted to the end of the limiting stud 1222; after the steel bar sections are cut, the steel bar sections fall into the material collecting box 2 below, the limiting plate 32 loses the pushing of the steel bars, and in the process that the reset tension spring 1226 is restored to be gradually restored to a natural state, the traction plate 1225 can be pulled to move along one end which tends to be close to the feeding device 11, so that the traction rod 1224 is driven to slide at one end which tends to be close to the feeding device 11 in the sliding rod 1223, and the limiting plate 32 is driven to reset.

Referring to fig. 4, a top plate 123 is horizontally and fixedly connected to the upper ends of the two side plates 122 (see back fig. 2), a hydraulic cylinder 4 is vertically and fixedly connected to the central position of the upper side of the top plate 123, a pressing plate 41 is horizontally and fixedly connected to the lower end of a piston rod of the hydraulic cylinder 4, an upper cutting edge 42 is vertically and fixedly connected to the lower side of the pressing plate 41, a lower cutting edge 1211 is vertically and fixedly connected to the position of the bottom plate 121 corresponding to the upper cutting edge 42, when the upper cutting edge is driven by the piston rod of the hydraulic cylinder 4 to move downward, the upper cutting edge 42 and the lower cutting edge 1211 can be abutted against each other, a steel bar is cut, a damping spring 43 vertically arranged is further sleeved on the piston rod.

The vertical plates 1213 are fixedly connected to both ends of the upper surface of the bottom plate 121, the two vertical plates 1213 are located between the movable plate 3 and the lower blade 1211, a cutting gap can be formed between the two vertical plates 1213 and the side of the lower blade 1211 close to each other, when the upper blade 42 moves downward, the upper blade 42 can be inserted between the cutting gaps, and both sides of the upper blade 42 can abut against the side of the two vertical plates 1213 close to each other and the side of the lower blade 1211 close to each other, so that the upper blade 42 and the lower blade 1211 are matched to cut the steel bar into sections; besides, after the cutting is completed, the movable plate 3 tends to slide in the direction close to the feeding device 11, until the two ends of the movable plate 3 abut against one side of the two vertical plates 1213 close to each other, so that the movable plate 3 tends to be limited in the direction close to the feeding device 11, the two ends of the upper sides of the two side plates 122 are horizontally fixedly connected with a transverse plate 1227 respectively, the two transverse plates 1227 extend in the direction close to the feeding device 11 in the length direction perpendicular to the side plates 122, and the two transverse plates 1227 can prevent the movable plate 3 from shifting in the horizontal sliding process.

A vertical slot 35 penetrating through the movable plate 3 is horizontally formed at the lower side of the movable plate 3, the lower end of the vertical slot 35 extends out of the lower end of the movable plate 3, and a semicircular arc-shaped surface is formed at the upper end of the vertical slot 35, so that the shape of the vertical slot 35 is matched with the cross section of the steel bar. The one end that the bottom plate 121 extends out frame 1 is vertical to be offered the feed chute 1212 that runs through bottom plate 121, and the one end of feed chute 1212 and the cutting edge of lower blade 1211 are in same vertical face, and the other end of feed chute 1212 extends the one end that bottom plate 121 extends out frame 1, and the feed chute 1212 is in same vertical face with the inside wall that erects groove 35 to be convenient for the blanking of the billet section that the cutting has been accomplished.

The implementation principle of the embodiment is as follows: when the steel bar is cut into sections, the limiting plate 32 is moved along the axial direction of the guide screw 33 according to the required length of the steel bar, after the limiting plate 32 moves to a proper position, the two guide nuts 34 are screwed in the direction of approaching each other, so that the limiting plate 32 can be clamped by the side where the two guide nuts 34 approach each other, the positions of the limiting plate 32 on the guide rod 31 and the guide screw 33 are adjusted, and then the two limiting studs 1222 are rotated to enable the end parts of the two limiting studs 1222 to be tightly pressed against the side of the movable plate 3 away from the feeding device 11, so that the distance between the limiting studs 1222 and the movable plate 3 can be adjusted; then, the steel bar is cut, the steel bar is firstly placed in the gap between the two annular grooves 1121, then the motor is started to drive the two feeding rollers 112 to rotate, the two feeding rollers 112 rotate to push the steel bar into the cutting device 12, so that one end of the steel bar is abutted to one side of the limiting plate 32 close to the feeding device 11, as the steel bar is continuously pushed, one end of the steel bar far away from the feeding device 11 tends to move away from one end of the feeding device 11, the movable plate 3 can be driven by the guide rod 31 to move away from one end of the feeding device 11, the reset tension spring 1226 is stretched in the process until one side of the movable plate 3 close to the limiting stud 1222 is abutted to the end of the limiting stud 1222, at the moment, the piston rod of the hydraulic cylinder 4 pushes the upper blade 42 to move downwards in the vertical direction, and when one side of the upper blade 42 and one side of the lower blade 1211, which can abut against each other, one end of the section of the cut steel bar section inclines downwards, the limiting plate 32 loses pushing of the steel bar section, and in the process that the return tension spring 1226 is gradually restored to a natural state, the pulling plate 1225 can be pulled to move towards one end close to the feeding device 11, so that the pulling rod 1224 is driven to slide at one end of the sliding rod 1223 towards one end close to the feeding device 11, the limiting plate 32 is driven to move towards one end close to the feeding device 11, the movable plate 3 is driven to slide towards one end close to the feeding device 11, and when the movable plate 3 slides to the side of the movable plate 3 close to the feeding device 11 and abuts against one side of the vertical plate 1213 close to the lower cutting edge 1211, the limiting plate 32 can extrude the cut steel bar section, and the steel bar section is pushed to fall into the collecting box 2 below through the vertical groove 35 and the blanking groove 1212, so that the steel bar section is; after the steel bar sections fall into the collecting box 2, the steel bars can be continuously cut into steel bar sections according to the process in the process that the steel bars are continuously pushed forwards.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a sectioning equipment of billet, includes frame (1) of level setting, its characterized in that: a feeding device (11) is arranged at one end of the frame (1), a bottom plate (121) which is fixedly connected to the upper side of the frame (1) and has the same length direction with the frame (1) is arranged at the discharging side of the feeding device (11), a lower blade (1211) is fixedly connected to the middle part of the bottom plate (121), an upper blade (42) which can be matched with the lower blade (1211) is arranged above the lower blade (1211), a movable plate (3) is arranged at one end of the bottom plate (121) corresponding to the lower blade (1211) and far away from the feeding device (11), a vertical groove (35) is formed in the middle of the movable plate (3), a guide screw rod (33) which is the same as the bottom plate (121) in the length direction is fixedly connected to one side of the movable plate (3) far away from the lower cutting edge (1211), a limit plate (32) which is vertically arranged is sleeved on the guide screw (33), and the two sides of the guide screw (33) corresponding to the limiting plate (32) are in threaded connection with guide nuts (34).

2. A steel strip sectioning apparatus according to claim 1, wherein: the equal vertical rigid coupling in both sides of bottom plate (121) has curb plate (122), fly leaf (3) slide along the length direction of bottom plate (121) and connect in curb plate (122), two still be provided with between curb plate (122) and lead screw (33) and drive lead screw (33) and tend to be close to the buffer of loading attachment (11) direction motion.

3. A steel strip sectioning apparatus according to claim 2, wherein: buffer includes two slide bars (1223) of the one side of keeping away from each other in both sides board (122) respectively, two all slide and be connected with a traction lever (1224), two in slide bar (1223) all slide traction lever (1224) tip rigid coupling has a traction plate (1225), two all the cover is equipped with one and tends to be close to the extension spring that resets (1226) of loading attachment (11) direction motion on traction lever (1224), two the one end rigid coupling of extension spring that resets (1226) is kept away from the one end of loading attachment (11) in slide bar (1223), and its other end rigid coupling is on traction plate (1225).

4. A steel strip sectioning apparatus according to claim 3, wherein: a guide rod (31) is fixedly connected between the movable plate (3) and the limiting plate (32), and the axis direction of the guide rod (31) is parallel to the axis direction of the guide screw (33).

5. A steel strip sectioning apparatus according to claim 4, wherein: the bottom plate (121) is vertically provided with a blanking groove (1212) penetrating through the bottom plate (121) at a position corresponding to the vertical groove (35), and the lower side edge of the blanking groove (1212) is positioned in an area surrounded by the upper side edge of the vertical groove (35).

6. A steel strip sectioning apparatus according to claim 5, wherein: two the middle part that loading attachment (11) one side was kept away from in curb plate (122) is the rigid coupling respectively has a stopper (1221), two stopper (1221) correspond the both ends of fly leaf (3) horizontal threaded connection respectively has a spacing double-screw bolt (1222), bottom plate (121) upside both ends still respectively the rigid coupling have two risers (1213), two riser (1213) are located between lower cutting edge (1211) and fly leaf (3) and can hold upper cutting edge (42).

7. A steel strip sectioning apparatus according to claim 6, wherein: and one side of each side plate (122) close to each other is horizontally and fixedly connected with a transverse plate (1227), and the lower side of each transverse plate (1227) is abutted against the upper side of the movable plate (3).

8. A steel strip sectioning apparatus according to claim 7, wherein: two the horizontal rigid coupling in upper end of curb plate (122) has a roof (123), vertical rigid coupling has a pneumatic cylinder (4) on roof (123), go up cutting edge (42) upper end rigid coupling in the lower extreme of pneumatic cylinder (4) piston rod.

9. A steel strip sectioning apparatus according to claim 8, wherein: a piston rod of the hydraulic cylinder (4) is vertically sleeved with a damping spring (43), one end of the damping spring (43) is abutted to the lower end of the piston rod of the hydraulic cylinder (4), and the other end of the damping spring (43) is abutted to the upper end of the upper cutting edge (42).