CN211464605U

CN211464605U - Material ejecting device of round steel cutting machine

Info

Publication number: CN211464605U
Application number: CN201922360740.7U
Authority: CN
Inventors: 杨磊
Original assignee: Shanghai Xingdao Forging Co ltd
Current assignee: Shanghai Xingdao Forging Co ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-09-11
Anticipated expiration: 2029-12-21

Abstract

The utility model relates to an liftout device of round steel cutter relates to round steel cutting equipment field, include the fixing base, fix one side cantilever and the liftout slider of fixing base, install on the cantilever around self axis pivoted lead screw, the liftout slider is close to the one end of lead screw seted up with lead screw matched with screw thread through-hole, the liftout slider is kept away from the one end of lead screw is fixed with the liftout pole, the tip of liftout pole is provided with the liftout contact, the liftout contact is kept away from the one end of liftout pole is equipped with the butt arch of touching with round steel tip point, the butt arch is provided with a plurality ofly. The utility model discloses have the effect of the precision of round steel size and the roughness of cutting surface when improving the round steel and cutting off, reduced the error in the round steel course of working.

Description

Material ejecting device of round steel cutting machine

Technical Field

The utility model belongs to the technical field of the round steel cutter and specifically relates to a liftout device of round steel cutter is related to.

Background

At present, compared with other cutting equipment, the round steel cutting machine has the characteristics of light weight, less energy consumption, reliable work, high efficiency and the like, so that the round steel cutting machine is gradually and widely adopted by machining, small-sized steel rolling mills and the like in recent years, and plays an important role in various fields of national economic construction.

Chinese patent with patent publication No. CN201543893U discloses a guide tracked liftout device of round steel cutter, which comprises a fixed base, hang the roof beam, be equipped with the guide rail in the both sides of fixed base, hang the roof beam upper end and hang on the guide rail and slide along the guide rail, be equipped with a plurality of through-hole on hanging roof beam upper end and the guide rail contact member, it is equipped with a plurality of locating hole to correspond on the guide rail, the through-hole that a connecting piece passed realizes hanging the relative fixation of roof beam and guide rail with the locating hole, it is fixed with the thimble cover to hang the roof beam lower extreme, be equipped with the internal thread hole in the thimble cover, wear to be equipped with the thimble screw rod including the internal thread hole.

Chinese patent with patent publication number CN209207061U discloses a round steel cutter stock stop, including the striker plate, be fixed with the telescopic link on the striker plate, still include the bucket type spring holder, be equipped with the spring through the lid in the bucket type spring holder, have the clearing hole of telescopic link at the bottom of bucket type spring holder and on covering, the telescopic link gets into and wears out from the lid from the bottom of bucket type spring holder, the welding has the board on the telescopic link, the board is established in the bucket type spring holder, the spring is between board and lid. Compared with the prior art, because the utility model discloses a spring can flexibly absorb direct impact and lead screw nut and absorb the power of die-cut direction motion, has not only had and has kept off the material position accuracy, blank size is accurate, and blank weight error is little, has alleviateed the vibration of stock cutter again, has reduced the noise, has guaranteed stock cutter's normal work.

The above prior art solutions have the following drawbacks: the tip butt of round steel is in order to control the cutting off length of round steel on keeping off the material contact, and the round steel cutter cuts off the round steel through the shearing force of cutter, and when the round steel tip was too closely leaded to frictional force between the two with keeping off the material contact, the equivalent weight contact can produce the resistance opposite with round steel direction of motion at the round steel shearing in-process, the unloading size deviation of increase round steel, and the cut surface is more oblique, directly influences the quality of back production process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a round steel cutter's liftout device to the not enough of prior art existence.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an ejection device of round steel cutter, includes the fixing base, fixes the cantilever and the liftout slider of fixing base one side, install on the cantilever around self axis pivoted lead screw, the liftout slider is close to the one end of lead screw seted up with lead screw thread through-hole that cooperatees, the liftout slider is kept away from the one end of lead screw is fixed with the liftout pole, the tip of liftout pole is provided with the liftout contact, the liftout contact is kept away from the one end of liftout pole is equipped with the butt arch of contacting with round steel tip point, the butt arch is provided with a plurality ofly.

By adopting the technical scheme, the abutting bulge on the ejecting contact abuts against the end face of the round steel to limit the round steel, so that the friction force between the ejecting contact and the round steel is effectively reduced, and the interference of the friction resistance on the cutting of the round steel is reduced; a plurality of protruding butt round steel terminal surfaces of butt reduce the prominent atress of single butt in order to reduce the destruction that the protruding butt end of butt received, make the protruding higher precision of holding of butt in longer time.

The present invention may be further configured in a preferred embodiment as: the ejection contact and the ejection rod are detachably fixed.

Through adopting above-mentioned technical scheme, through the periodical change liftout contact, guarantee the precision that the round steel cut off, reduce the influence that the protruding wearing and tearing of butt caused the precision.

The present invention may be further configured in a preferred embodiment as: the abutting protrusions are balls which are nested on the ejection contact and roll relative to the ejection contact.

Through adopting above-mentioned technical scheme, further reduce the resistance that the liftout contact produced when the round steel cuts off, further improve the size precision that the round steel cut off and the roughness of cut surface to reduce the protruding damage of receiving of butt, increase of service life.

The present invention may be further configured in a preferred embodiment as: the end face of the ejecting contact is provided with a plurality of hemispherical arc-shaped grooves in clearance fit with the balls, one end of the ejecting contact, where the balls are installed, is fixed with a baffle for blocking the balls, one side of the baffle, which is close to the ejecting contact, is provided with a limiting hole penetrating through the baffle corresponding to the balls, and the balls penetrate out of the baffle.

Through adopting above-mentioned technical scheme, roll ball and install and form the butt arch on the liftout contact.

The present invention may be further configured in a preferred embodiment as: the limiting hole is a countersunk hole, one end of the limiting hole, which is close to the material ejecting contact, is a countersunk head, the diameter of the countersunk head of the limiting hole is larger than or equal to that of the ball, and the via hole of the limiting hole is abutted against the side wall of the ball.

Through adopting above-mentioned technical scheme, reduce the area of contact of ball and baffle in order to reduce the rolling resistance of ball, make the roll of ball more smooth so that effectively reduce the resistance of liftout contact to the round steel.

The present invention may be further configured in a preferred embodiment as: the material ejection mechanism is characterized by further comprising a fixing frame and a tension spring, wherein the fixing frame and the tension spring are arranged on one side of the fixing base, and two ends of the tension spring are respectively fixed on the fixing frame and one end, far away from the main screw, of the material ejection sliding block.

By adopting the technical scheme, when the acting force of the ejecting contact and the end face of the round steel is large, the ejecting rod is stressed to deviate along with the cutting action of the round steel so as to reduce the influence on the cutting of the round steel, the damage to the abutting protrusion is reduced to a certain extent, and due to the fact that the end face of the round steel is uneven, when the inclination of the end face of the round steel is large, the abutting force possibly exists between the round steel and the ejecting contact to prevent the round steel and the ejecting contact from moving relatively; the work piece butt is on the liftout contact, and the liftout slider takes place the rotation of small amplitude with the axis of main screw rod as the axle when the interaction force is too big, and the liftout pole can follow the work piece and take place the dislocation in order to reduce the influence to the work piece shearing, and the round steel drops after the shearing, and the liftout slider resets under tension spring's effect.

The present invention may be further configured in a preferred embodiment as: and a fixing component which is abutted against the main screw rod to fix the relative position of the material ejecting sliding block and the main screw rod is fixed on the material ejecting sliding block.

By adopting the technical scheme, the relative position of the material ejecting sliding block and the main screw rod is fixed, and the positioning precision is ensured.

The present invention may be further configured in a preferred embodiment as: follow on one side of the inner wall of screw thread through-hole the mounting groove has been seted up to the axial of screw thread through-hole, fixed subassembly is including setting up lifter plate, threaded connection in the mounting groove are in connecting bolt on the lifter plate with connect soon clamp nut on the bolt, link up on the lateral wall of liftout slider and offer and be used for wearing to establish connecting bolt's grafting unthreaded hole, clamp nut installs connecting bolt's head with between the liftout slider, the lifter plate with be provided with compression spring between the tank bottom of mounting groove.

Through adopting above-mentioned technical scheme, rotate clamping nut control connecting bolt's lift and then control the lift of lifter plate, press from both sides tight or loosen the main screw rod in order to carry out the location or the removal operation of liftout slider.

The present invention may be further configured in a preferred embodiment as: and one side of the lifting plate, which is close to the main screw rod, is provided with a thread groove matched with the thread on the main screw rod.

Through adopting above-mentioned technical scheme, reduce the lift with the board to the damage of main screw rod week side thread structure, the area of contact of lifter plate and main screw rod is bigger, and the biggest static friction resistance when pressing from both sides tight main screw rod also can be bigger, makes the centre gripping fixed knot construct more firmly reliably.

The present invention may be further configured in a preferred embodiment as: the material ejecting rod is a threaded rod and is in threaded connection with the material ejecting sliding block.

By adopting the technical scheme, the position of the ejector rod is adjusted by screwing the ejector rod, and the adjusting mode is increased.

To sum up, the utility model discloses a following at least one useful technological effect:

the abutting protrusion effectively reduces the friction force between the material ejecting contact and the end face of the round steel, reduces the friction resistance on the end part when the round steel is cut off, improves the dimensional precision of the round steel and the flatness of the cut surface of the round steel, and improves the precision of the whole round steel in the machining work to a certain extent;

the abutting bulge is arranged to be a ball opposite to the material ejecting contact, so that the resistance on the end part of the round steel when the round steel is cut can be further reduced, the interference resistance on the round steel in the cutting process can be further reduced, and the size precision of the round steel and the flatness of the cut surface of the round steel can be further improved;

can wind main screw rod axis pivoted liftout slider, when the interact power between round steel and the liftout contact was too big, follow the round steel and carry out certain displacement, reduce the interference that the liftout contact cut off to the round steel, play the effect of insurance, under the protruding circumstances of losing efficacy or unable performance of butt, reduce the interference that cuts off to the round steel through the dislocation of liftout contact.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the structure at the ejector contact according to the first embodiment;

FIG. 4 is a schematic view of the structure of the ejector contact according to the second embodiment;

FIG. 5 is an enlarged schematic view of area B of FIG. 2 (with the main screw hidden);

fig. 6 is a schematic view of the installation structure of the abutting projection at the ejector contact in the second embodiment.

Reference numerals: 1. a round steel cutting machine frame; 2. a fixed seat; 3. a cantilever; 4. a material ejecting slide block; 41. mounting grooves; 42. inserting a light hole; 43. clamping the nut; 44. a connecting bolt; 45. a compression spring; 46. a lifting plate; 47. a thread groove; 5. a main screw; 6. a lifter bar; 61. fastening a nut; 62. a circular washer; 7. a material ejection contact; 71. an abutment projection; 72. an arc-shaped slot; 73. a baffle plate; 74. a limiting hole; 75. a threaded segment; 76. a replacement segment; 8. a fixed mount; 9. a tension spring.

Detailed Description

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

The first embodiment is as follows:

referring to fig. 1, the liftout device of a round steel cut-off machine disclosed by the utility model is arranged on a round steel cut-off machine frame 1, and comprises a rectangular plate-shaped fixed seat 2 fixed on the round steel cut-off machine frame 1 by bolts, an L-shaped cantilever 3 is welded and fixed on one side of the fixed seat 2, the main body part of the cantilever 3 is vertical to the upper surface of the fixed seat 2, and a main screw 5 is rotatably arranged between the cantilever 3 and the base; the main screw 5 is in threaded connection with a material ejecting sliding block 4, and the lower end of the material ejecting sliding block 4 is fixed with a cylindrical material ejecting rod 6; the ejector rod 6 is provided with an ejector contact 7 close to the round steel cutting machine frame 1.

Referring to fig. 3, the ejector contact 7 includes a threaded section 75 integrally provided at an end of the ejector rod 6 and a replacement section 76 threadedly connected to the threaded section 75, the threaded section 75 and the replacement section 76 are both cylindrical structures, a threaded mounting hole threadedly engaged with the threaded section 75 is provided at one end of the replacement section 76 close to the threaded section 75, and a plurality of hemispherical abutting protrusions 71 are integrally provided at one end of the replacement section 76 far from the threaded section. The abutting projection 71 is worn during the cutting of the round steel, and the replacement section 76 is replaced periodically to keep the abutting end of the ejector contact 7 low in friction and high in precision.

Referring to fig. 1 and 2, a main body of an ejection rod 6 is a threaded rod, two ends of an ejection slider 4 are respectively and integrally provided with a threaded sleeve in threaded fit with a main screw 5 and the ejection rod 6, the main screw 5 is rotated to control the ejection slider 4 to move along the axis of the main screw 5, the ejection rod 6 is rotated to control the ejection rod 6 to move along the axis of the ejection rod 6, so that the position of an ejection contact 7 is adjusted, the pitch of threads on the ejection contact 7 is smaller than that of the threads on the main screw 5, and the ejection rod 6 is rotated to accurately adjust the position of the ejection contact 7; one end of the ejector rod 6, which is far away from the ejector contact 7, is screwed with a fastening nut 61 which is abutted against the end surface of the ejector slide block 4 and is used for fixing the position of the ejector rod 6; a circular washer 62 is arranged between the fastening nut 61 and the end face of the ejector slide 4 for increasing the contact area.

Referring to fig. 1, a fixing frame 8 welded and fixed on a frame 1 of a round steel cutting machine is arranged on one side of a fixing seat 2, the fixing frame 8 is a rectangular plate, two tension springs 9 are arranged between the rectangular plate and an ejection sliding block 4, two ends of each tension spring 9 are respectively hooked and fixed at one ends of the fixing frame 8 and the ejection sliding block 4, the ejection rods 6 are fixed at the two ends of each tension spring, and a fixing plate used for hanging the tension springs 9 is arranged on one side, close to the fixing frame 8, of the ejection sliding block 4. The tension spring 9 can provide restoring force when the vertical state of the ejection sliding block 4 is changed and can prevent the ejection sliding block 4 from shaking; referring to fig. 2 and 5, a rectangular mounting groove 41 is formed in the upper side hole wall of the threaded through hole where the ejector slider 4 and the main screw 5 are matched along the axis of the threaded through hole, two insertion unthreaded holes 42 are formed in the upper end surface of the ejector slider 4, the axis of each insertion unthreaded hole is perpendicular to the bottom surface of the mounting groove 41, the two insertion unthreaded holes 42 are formed in the length direction of the mounting groove 41, a connecting bolt 44 is inserted into each insertion unthreaded hole 42, a rectangular lifting plate 46 matched with the mounting hole is arranged in the mounting groove 41, and the connecting bolt 44 is in threaded connection with the lifting plate 46; the lower end of the lifting plate 46 is provided with a thread groove 47 matched with the thread structure on the main screw 5, so that the lifting plate 46 can be more fully contacted with the main screw 5 to compress the main screw 5; a clamping nut 43 is arranged between the head of the connecting bolt and the ejection sliding block 4, the clamping nut 43 is screwed on the connecting bolt 44 and abuts against the ejection sliding block 4, and a compression spring 45 is arranged between the lifting plate 46 and the bottom surface of the mounting groove 41 to provide abutting force for the lifting plate 46 and the clamping nut 43.

The implementation principle of the embodiment is as follows: the abutting end of the ejecting contact 7 and the round steel is provided with the abutting bulge 71, and the surface contact is replaced by point contact so as to reduce the friction force between the ejecting contact 7 and the round steel and reduce the interference resistance received by the end part of the round steel in the cutting process of the round steel, thereby improving the cutting precision of the round steel and ensuring the flatness of the cut surface of the round steel; liftout slider 4 can use the central axis of lead screw 5 to rotate and use extension spring to provide the restoring force for liftout slider 4 as axis of rotation, and liftout pole 6 can follow the round steel and remove when the interact power of messenger liftout pole 6 between liftout contact 7 and round steel is great, reduces the influence that liftout contact 7 cut off to the round steel relatively, and this structure is stable effective for a long time, can continue to work under the circumstances of the protruding 71 structural failure of butt to guarantee round steel cutting work's precision.

Example two:

the difference between this embodiment and the first embodiment is: referring to fig. 4 and 6, the abutting protrusion 71 is a ball, a plurality of hemispherical arc-shaped grooves 72 are formed in one side, close to the abutting protrusion 71, of the ejection contact 7, and the arc-shaped grooves 72 are matched with the size of the ball; a baffle 73 is arranged on one side of the ball, which is far away from the material ejecting contact 7, a limiting hole 74 is correspondingly formed in the baffle 73, the limiting hole 74 is a countersunk hole, the diameter of the countersunk hole of the limiting hole 74 is larger than or equal to that of the ball, and the position of the ball is fixed by the abutting of the through hole of the limiting hole 74 and the side wall of the ball; the baffle 73 is a barrier piece arranged in a cylindrical manner, a cylindrical hole matched with the ejection contact 7 in an inserted manner is formed in one end, close to the ejection contact 7, of the baffle 73, the baffle 73 is buckled on the abutting contact, and when the baffle 73 is completely buckled on the ejection contact 7, one end of a ball is transmitted out of the limiting hole 74 to form the abutting protrusion 71.

The implementation principle of the embodiment is as follows: the contact protrusion 71 is provided with a ball that rolls against the contact, and the sliding friction is changed to rolling friction, thereby further reducing the frictional resistance.

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 liftout device of round steel cutter which characterized in that: including fixing base (2), fix cantilever (3) and liftout slider (4) of fixing base (2) one side, install on cantilever (3) around self axis pivoted lead screw (5), liftout slider (4) are close to the one end of lead screw (5) seted up with lead screw (5) matched with screw thread through-hole, liftout slider (4) are kept away from the one end of lead screw (5) is fixed with liftout pole (6), the tip of liftout pole (6) is provided with liftout contact (7), liftout contact (7) are kept away from the one end of liftout pole (6) is equipped with protruding (71) of butt with round steel tip point contact, the protruding (71) of butt is provided with a plurality ofly.

2. The liftout device of round steel cutter according to claim 1, characterized in that: the ejection contact (7) and the ejection rod (6) are detachably fixed.

3. The liftout device of round steel cutter according to claim 1, characterized in that: the abutting protrusions (71) are balls which are nested on the ejection contact (7) and roll relative to the ejection contact (7).

4. The liftout device of round steel cutter according to claim 3, characterized in that: the end face of the ejection contact (7) corresponds to the ball, a plurality of hemispherical arc-shaped grooves (72) in clearance fit with the ball are formed in the ball, a baffle (73) used for blocking the ball is fixed at one end of the ejection contact (7), one side, close to the ejection contact (7), of the baffle (73) corresponds to the ball, a limiting hole (74) penetrating through the baffle (73) is formed in the ball, and the ball penetrates out of the baffle (73).

5. The liftout device of round steel cutter according to claim 4, characterized in that: the limiting hole (74) is a counter bore, one end, close to the material ejecting contact (7), of the limiting hole (74) is a counter bore, the diameter of the counter bore of the limiting hole (74) is larger than or equal to the diameter of the ball, and the through hole of the limiting hole (74) is abutted to the side wall of the ball.

6. The liftout device of round steel cutter according to claim 1, characterized in that: the material ejection mechanism is characterized by further comprising a fixing frame (8) and a tension spring (9) which are arranged on one side of the fixing seat (2), wherein two ends of the tension spring (9) are respectively fixed on the fixing frame (8) and one end, far away from the main screw rod (5), of the material ejection sliding block (4).

7. The liftout device of round steel cutter according to claim 6, characterized in that: and a fixing component which is abutted against the main screw (5) to fix the relative position of the material ejecting sliding block (4) and the main screw (5) is fixed on the material ejecting sliding block (4).

8. The liftout device of round steel cutter according to claim 7, characterized in that: follow on one side of the inner wall of screw thread through-hole mounting groove (41) have been seted up to the axial of screw thread through-hole, fixed subassembly is including setting up lifter plate (46), threaded connection in mounting groove (41) connecting bolt (44) on lifter plate (46) with connect soon clamp nut (43) on the bolt, link up on the lateral wall of liftout slider (4) and offer and be used for wearing to establish grafting unthreaded hole (42) of connecting bolt (44), clamp nut (43) are installed the head of connecting bolt (44) with between liftout slider (4), lifter plate (46) with be provided with compression spring (45) between the tank bottom of mounting groove (41).

9. The liftout device of round steel cutter according to claim 8, characterized in that: one side of the lifting plate (46) close to the main screw rod (5) is provided with a thread groove (47) matched with the thread on the main screw rod (5).

10. The liftout device of round steel cutter according to claim 1, characterized in that: the material ejecting rod (6) is a threaded rod, and the material ejecting rod (6) is in threaded connection with the material ejecting sliding block (4).