CN111421033B

CN111421033B - Wheel axle support and roll bending machine with same

Info

Publication number: CN111421033B
Application number: CN202010520538.0A
Authority: CN
Inventors: 郑晓宏
Original assignee: Guangdong Gaopu Bending Technology Co ltd
Current assignee: Guangdong Gaopu Bending Technology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-10-13
Anticipated expiration: 2040-06-10
Also published as: CN111421033A

Abstract

The invention provides a wheel axle bracket and a bending roll with the wheel axle bracket, wherein the wheel axle bracket is used for supporting a wheel axle provided with a roller, the wheel axle bracket comprises a fixed rod, a connecting sleeve rod and a threaded sleeve, one end of the fixed rod is provided with a circular locking hole, and the peripheral surface of the end is provided with a notch along the radial direction, the notch is communicated with the locking hole and cut into the lower part of the bottom surface of the locking hole, one end of the connecting loop bar is provided with a loop hole, for being sleeved to one end of the wheel shaft, the other end of the connecting sleeve rod is matched with the notch, so that the other end of the connecting sleeve rod enters the locking hole along the radial direction and is limited by the notch to rotate, the periphery of the connecting sleeve rod is provided with threads, the threaded sleeve is screwed on the periphery of the connecting sleeve rod, and one end of the threaded sleeve is screwed into the locking hole and tightly abuts against the bottom surface of the locking hole to realize the clearance adjustment between the fixed rod and the wheel shaft and prevent the other end of the connecting sleeve rod from sliding out of the notch. According to the roll bending machine, the roller wheel support is arranged, so that the support can be conveniently and quickly installed, and the rigidity of the support shaft of the support is improved.

Description

Wheel axle support and roll bending machine with same

Technical Field

The invention relates to a roll bending machine, in particular to a wheel axle support of the roll bending machine, which can be quickly installed and improve the rigidity of a support shaft of the wheel axle support.

Background

The bending roll can bend various profiles, including metal profiles such as aluminum, steel, stainless steel, copper and the like, and pipes. For example, CN210497808U, the bending roll includes two rotatable die wheels and a rotatable bending roll arranged in an isosceles triangle, the two die wheels are oppositely disposed at the base angle position of the isosceles triangle, the bending roll is disposed at the vertex angle position of the isosceles triangle, and the bending roll reciprocates (moves up and down) along the perpendicular bisector of the base line of the isosceles triangle, so as to bend and roll the workpiece disposed between the two die wheels and the bending roll. The wheel shaft of the mould wheel can be rotatably arranged on the fixed seat around the axial lead of the wheel shaft, the wheel shaft of the roll bending wheel can be rotatably arranged on the sliding body around the axial lead of the wheel shaft, and the sliding body can be slidably arranged on the fixed seat. When in processing, two mould wheels are pressed against one side of a workpiece, a roll bending wheel is rotatably pressed against the other side of the workpiece, the wheel shaft of the mould wheel or the wheel shaft of the roll bending wheel is subjected to reaction force to cause the wheel shaft to shake, generally, the roll bending machine is provided with a wheel shaft bracket for supporting the wheel shaft to prevent the wheel shaft from shaking in processing, the prior wheel shaft bracket mostly adopts a wheel shaft bracket shown in CN207222650U, a fixed rod of the wheel shaft bracket and a connecting rod are of an integrated structure, when different curvature requirements are processed, the distance between the die wheels needs to be adjusted, when the die wheels move, the corresponding wheel shaft supports need to be matched and move together, after the supporting frames move, the bottom ends of the fixing rods of the supports are fixedly connected to the fixing seats through bolts, however, the corresponding fixing hole positions on the fixing seat for installing the support frame can not accurately correspond, so that the support frame is inconvenient to install after moving, and the bearing rigidity of the connecting rod is crossed.

Disclosure of Invention

In view of the foregoing, it is desirable to provide an axle bracket and a roll bending machine that facilitates quick installation of the axle bracket and increases the rigidity of the axle bracket.

A wheel axle support is used for supporting a wheel axle provided with a roller and comprises a fixed rod, a connecting sleeve rod and a threaded sleeve, wherein one end of the fixed rod is provided with a circular locking hole, the outer peripheral surface of the end is provided with a notch along the radial direction, the notch is communicated with the locking hole and extends to the lower portion of the bottom surface of the locking hole, one end of the connecting sleeve rod is provided with a sleeve hole for being sleeved with one end of the wheel axle, the other end of the connecting sleeve rod is matched with the notch to enable the other end of the connecting sleeve rod to enter the locking hole along the radial direction and limit rotation of the notch, threads are formed on the periphery of the connecting sleeve rod, the threaded sleeve is in threaded connection with the periphery of the connecting sleeve rod to ascend and descend along the connecting sleeve rod, one end of the threaded sleeve is screwed into the locking hole, the bottom surface of the locking hole is tightly abutted against the bottom surface of the locking hole, and the fixed rod and the other end of.

A roll bending machine comprises the shaft wheel bracket.

The roll bending machine comprises a fixed seat and a die holder wheel structure arranged on the fixed seat, a guide groove is transversely formed in the front end face of the fixed seat, the die holder wheel structure comprises a die holder, a die holder wheel shaft and a die wheel sleeved on the die holder wheel shaft, the die holder can be transversely arranged in the guide groove of the fixed seat in a sliding mode, the die holder wheel shaft is arranged on the die holder through a bearing, the die holder wheel shaft is perpendicular to the end face of the fixed seat, and one end, opposite to the end face with the locking hole, of a fixed rod of a wheel shaft support used for supporting the die holder wheel shaft is fixedly arranged on the front end face.

Furthermore, a row of fixed connection holes are transversely formed in the front end face of the fixed seat, which is close to the bottom end, so that one end of the fixed rod, which is opposite to the end provided with the locking hole, is correspondingly and selectively fixedly connected.

Further, the die holder wheel structure comprises a displacement adjusting structure for pushing the die holder to move transversely along the guide groove, the displacement adjusting structure comprises a lead screw, a hand wheel connected to one end of the lead screw, a threaded seat sleeved on the lead screw and an end sleeve fixed on the side wall of the fixed seat, a sleeve hole of the end sleeve corresponds to a shaft hole in the side face of the fixed seat, a bearing is installed on the lead screw and sleeved in a sleeve hole of the end sleeve, the lead screw penetrates through the shaft hole in the side face of the fixed seat into the guide groove, the threaded seat sleeved on the lead screw is fixedly connected with the die holder, and the hand wheel is.

The die holder wheel structure further comprises a die holder wheel driving structure for driving a die holder wheel shaft to rotate around the axis line of the die holder wheel, the die holder wheel driving structure comprises a motor and a universal coupling, the motor is fixedly installed in the rack, an output shaft of the motor faces the die holder wheel shaft, an output shaft of the motor is connected with one end of the universal coupling, and the other end of the universal coupling is connected with the die holder wheel shaft.

Further, the bending roll machine comprises a fixing seat and a rolling wheel structure arranged on the fixing seat, a sliding groove is longitudinally formed in the front end face of the fixing seat, the rolling wheel structure comprises a shaft seat, a rolling wheel shaft and a rolling wheel sleeved on the rolling wheel shaft, the shaft seat can be longitudinally slidably arranged in the sliding groove of the fixing seat, the rolling wheel shaft is arranged on the shaft seat through a bearing, the rolling wheel shaft is perpendicular to the end face of the fixing seat, and the rolling wheel shaft is used for supporting one end, opposite to the end provided with the locking hole, of a fixing rod of a wheel shaft support of the rolling wheel shaft to be fixedly arranged on the shaft seat.

Furthermore, an extension plate is fixedly arranged on the shaft seat, and the fixed rod is fixedly arranged on the extension plate.

Furthermore, a locking pin hole is formed in the peripheral wall forming the sleeve hole and communicated with the sleeve hole.

Compared with the prior art, the wheel axle support of the roll bending machine adopts the structure that the fixed rod is matched with the connecting sleeve rod and the threaded sleeve, so that the wheel axle support can be conveniently and rapidly mounted or dismounted, and the rigidity of the wheel axle support is improved.

Drawings

FIG. 1 is an overall view of a roll bending machine according to a preferred embodiment of the present invention;

FIG. 2 is a block diagram of the roll bending machine of FIG. 1 with the housing removed;

FIG. 3 is a partially exploded view of the roll bending machine of FIG. 1;

FIG. 4 shows a top view of the roll bending machine (with the top shell removed);

FIG. 5 is a cross-sectional view of the roll bending machine taken along a transverse midline profile;

FIG. 6 is a cross section of the bending machine after bending a longitudinal section of a fixing plate at the bending end;

fig. 7 is an enlarged, partially exploded view of the roll bending machine of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and features in the embodiments and embodiments in the present application may be combined with each other without conflict, and the present invention will be described in detail with reference to the drawings and with reference to the embodiments.

Referring to fig. 1 and 2, the present invention provides a roll bending machine, which includes a frame 10, a fixing base 20 disposed at one end of the frame 10, and a die holder wheel structure 30 and a rolling wheel structure 40 disposed on the fixing base 20, wherein the rolling wheel structure 40 and the die holder wheel structure 30 cooperate to roll and bend a profile.

Referring to fig. 3, the fixing base 20 is substantially an isosceles trapezoid having front and rear end faces, two side faces, and top and bottom faces. The front end face of the fixing seat is longitudinally provided with a sliding groove 21, the sliding groove extends downwards from one end adjacent to the top face to the bottom face, and the sliding groove 21 is communicated with the rear end face of the fixing seat. The front end surface of the fixing base is transversely provided with guide grooves 22 at two sides of the bottom end of the sliding groove 21, and the guide groove 22 at each side transversely extends from the side surface adjacent to the side surface to one side of the sliding groove 21 and is not communicated with the sliding groove 21 (see fig. 6). The top surface of the fixing base 20 is provided with a top hole 23 communicated with the sliding groove 21, and two side surfaces of the fixing base 20 are correspondingly provided with shaft holes 24 communicated with the guide groove 22.

Referring to fig. 6, the die holder wheel structure 30 includes a die holder 31, a die holder wheel shaft 32, and a die wheel 33 sleeved on the die holder wheel shaft 32, the die holder 31 is disposed in the guide slot 22 of the fixing base in a transverse sliding manner, the die holder wheel shaft 32 is mounted on the die holder 31 through a bearing, and the die holder wheel shaft 32 is perpendicular to the end surface of the fixing base 20. The die holder wheel structure 30 comprises a displacement adjusting structure for pushing the die holder 31 to move transversely along the guide groove 22, the displacement adjusting structure comprises a screw rod 34, a hand wheel 35 connected to one end of the screw rod 34, a threaded seat 36 sleeved on the screw rod 34 and an end sleeve 37 fixed on the side wall of the fixed seat 20, a sleeve hole of the end sleeve corresponds to a shaft hole 24 on the side surface of the fixed seat 20, a bearing is mounted on the screw rod 34 and sleeved in a sleeve hole of the end sleeve 37, the screw rod 34 penetrates through the shaft hole 24 on the side surface of the fixed seat 20 and into the guide groove 22, the threaded seat 36 sleeved on the screw rod is fixedly connected with the die holder 31, the hand wheel 35 is exposed outside the side surface, and the hand wheel 35 is rotated to drive the screw rod 34 to rotate, so that the threaded seat 36 is driven to move. The two die holder wheel structures 30 are transversely and oppositely arranged on the fixed seat 20, so that the required distance between the two die wheels 33 is determined according to the radian required by the section bar before roll bending, and the corresponding die wheels 33 can be moved by rotating the hand wheels 35 on the corresponding sides, so that the distance between the two die wheels 33 is adjusted.

Referring to fig. 4, the die holder wheel structure 30 further includes a die holder wheel driving structure for driving the die holder wheel shaft 32 to rotate around the axis thereof, the die holder wheel driving structure includes a motor 38 and a universal coupling 39, the motor 38 is fixedly installed in the frame 10, an output shaft of the motor 38 faces the die holder wheel shaft 32, the output shaft of the motor 38 is coupled to one end of the universal coupling 39, the other end of the universal coupling 39 is coupled to the die holder wheel shaft 32, and the motor 38 drives the die holder wheel shaft 32 to rotate around the axis thereof through transmission of the universal coupling 39.

Referring to fig. 5, the rolling wheel structure 40 includes a shaft seat 41, a rolling wheel shaft 42, and a rolling wheel 43 sleeved on the rolling wheel shaft 42, the shaft seat 41 is longitudinally slidably disposed in the sliding slot 21 of the fixing seat, the rolling wheel shaft 42 is mounted on the shaft seat 41 through a bearing, and the rolling wheel shaft 42 is perpendicular to the end surface of the fixing seat 20. The rolling wheel structure 40 includes a pressing mechanism for pushing the shaft seat 41 to move longitudinally along the sliding slot 21, the pressing mechanism includes a hydraulic cylinder 44 and a hydraulic generator 45 connected to the hydraulic cylinder 44 through a pipe, the hydraulic cylinder 44 is mounted on the top surface of the fixed seat 20 through a fixed plate, and a piston rod of the hydraulic cylinder 44 passes through the top hole 23 and is connected to the shaft seat 41 in the sliding slot 21. The hydraulic generator 45 is installed in the lower portion of the frame 10, and generates hydraulic pressure through the hydraulic generator 45 to drive the piston rod of the hydraulic cylinder to extend and retract, so as to drive the shaft seat 41 to lift along the sliding groove 21. When the section is rolled and bent, the shaft seat 41 slides downwards, the rolling wheel 43 presses the section downwards, and the two die holder wheel shafts 32 positioned at the two sides of the rolling wheel 43 upwards support the section to realize the roll bending of the section.

The stitching wheel structure 40 further includes a stitching wheel driving structure for driving the stitching wheel axle 42 to rotate around the axis thereof, and the stitching wheel driving structure is the same as the die holder wheel driving structure and will not be described. By providing the driving mechanism, when the profile is rolled, the two die wheels 33 and the rolling wheels 43 rotate under the action of the corresponding driving mechanism, and the profile can be conveyed while being rolled.

Further, in order to enhance the stability of the axle during rolling, the roll bending machine includes an axle support 50 for supporting the stability of the die shoe axle 32 of the die shoe wheel structure 30 and the rolling wheel axle 42 of the rolling wheel structure 40, and for supporting the axle on which the rollers (in this embodiment, the roller finger wheels 33 and the rolling wheels 43) are mounted. In this embodiment, there are three wheel axle supports 50, which respectively support two die holder wheel axles 32 and one rolling wheel axle 42. Specifically, the arbor wheel bracket 50 of the rolling wheel axle 42 is supported right above the rolling wheel axle 42 and supports the reaction force generated during the roll bending of the rolling wheel 43; the shaft wheel brackets 50 of the two die holder wheel shafts 32 are respectively supported under the corresponding die holder wheel shafts 32, and are used for resisting the reaction force generated when the die wheel 33 is subjected to roll bending, and the positions of the shaft wheel brackets 50 and the correspondingly supported wheel shafts are relatively fixed. Referring to fig. 7, the axle bracket 50 includes a fixing rod 51, a connecting sleeve 52 and a threaded sleeve 53. The fixing rod 51 is arranged in parallel with the correspondingly supported wheel shaft, and the longitudinal projections of the fixing rod 51 and the correspondingly supported wheel shaft are overlapped, specifically, for the wheel shaft bracket 50 supporting the rolling wheel shaft 42, the fixing rod 51 is fixedly arranged on the shaft seat 41, is positioned right above the rolling wheel shaft 42 and is parallel with the pressing wheel shaft 42, by arranging the fixing rod 51 on the shaft seat 41, the fixing rod 51 and the rolling wheel shaft 42 move longitudinally together during roll bending processing, so as to ensure that the wheel shaft bracket 50 supporting the rolling wheel shaft 42 and the pressing wheel shaft 42 are relatively fixed, in the embodiment, in order to facilitate the installation of the wheel shaft bracket 50, an extension plate 54 is fixedly arranged on the shaft seat 41, so that the shaft seat 41 is extended upwards in the longitudinal direction, and the fixing rod 51 is fixedly arranged; for the arbor wheel bracket 50 supporting the die holder arbor 32, the fixing rod 51 is fixedly disposed on the fixing base 20, directly below the corresponding die holder arbor 32, in parallel with the die holder arbor 32. Before the roll bending process, the positions of the two die holders 31 are adjusted and fixed by the displacement adjusting structure as required, and then the arbor wheel bracket 50 for supporting the die holder arbor 32 is correspondingly installed, in order to correspondingly install the fixing rod 51 under the die holder arbor 32, a row of fixing holes 55 are transversely formed in the front end surface of the fixing seat 20 adjacent to the bottom end, so that after the die holders 31 are displaced and adjusted, the fixing rod 51 can select the corresponding fixing holes 55 to fixedly connect the fixing rod 51 under the corresponding die holder arbor 32. In this embodiment, in order to facilitate the assembly, the storage tank is seted up in spout bottom both sides to the terminal surface before the fixing base 20, and detachably closing cap a shrouding on the storage tank, has been seted up to the shrouding upper end guide slot 22, one row is seted up to the shrouding lower extreme the rigid coupling hole 55. It is understood that if the die holder 31 is convenient for installing the fixing rod 51, the fixing rod 51 can be directly installed on the die holder 31.

Referring to fig. 7, the other end of the fixing rod 51 opposite to the mounting end is provided with a circular locking hole 511, and the outer peripheral surface of the end is provided with a radial notch 512, and the notch 512 is communicated with the locking hole 511 and cut into the bottom of the locking hole 511. The connecting sleeve rod 52 is vertically connected between the fixing rod 51 and the corresponding wheel shaft to provide a support for radial force acting on the wheel shaft during rolling, the connecting sleeve rod 52 is installed at one end of the fixing rod 51 provided with the locking hole 511, and the other end is connected with the corresponding wheel shaft. Specifically, one end of the connecting sleeve rod 52 is formed with a sleeve hole 521 for being sleeved to one end of the wheel shaft, and the outer peripheral wall forming the sleeve hole 521 is provided with a locking pin hole 522 for being locked by a pin after the sleeve hole 521 is sleeved on the wheel shaft; the other end of the connecting sleeve rod 52 forms a contour matched with the notch, so that the other end of the connecting sleeve rod radially enters the locking hole 511 and is limited by the notch 512 to rotate, in this embodiment, the notch is a rectangular groove, the end of the connecting sleeve rod 52 matched with the notch is a rectangular end, threads (not shown) are formed on the periphery of the connecting sleeve rod 52, the threaded sleeve 53 is screwed on the periphery of the connecting sleeve rod 52, one end of the threaded sleeve 53 is screwed into the locking hole 511 and tightly abuts against the bottom surface of the locking hole 511, the connecting sleeve rod 52 can be prevented from sliding out of the notch, one end of the threaded sleeve 53 is screwed into the locking hole 511 to abut against the locking hole, meanwhile, the fixing rod 51 and a corresponding wheel axle can be tightly abutted, and the stability of the wheel axle during roll bending is improved.

The axle bracket 50 is connected with the sleeve rod 52 and the threaded sleeve 53 through the fixed rod 51 in a matched mode, the axle bracket can be conveniently and rapidly installed, when the fixed connection hole 55 is accurately machined and deviated, if the fixed connection hole 55 is close to or far away from the die holder 31, the gap between the fixed rod and the axle wheel which are suitable correspondingly can be adjusted through rotating the threaded sleeve 53, and the phenomenon that interference is inconvenient to assemble or difficult to assemble can not occur. It will be appreciated that the connecting sleeve rod 52 may be slightly smaller than the distance between the axle and the fixing rod 51.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A wheel axle bracket (50) for supporting a wheel axle having wheels mounted thereon, characterized by: the wheel shaft support (50) comprises a fixed rod (51), a connecting sleeve rod (52) and a threaded sleeve (53), a circular locking hole (511) is formed in one end of the fixed rod (51), a notch (512) is formed in the outer peripheral surface of the end in the radial direction, the notch is communicated with the locking hole (511) and extends to the lower portion of the bottom surface of the locking hole (511), a sleeve hole (521) is formed in one end of the connecting sleeve rod (52) and is sleeved at one end of a wheel shaft, the other end of the connecting sleeve rod (52) is matched with the notch (512) to enable the other end of the connecting sleeve rod to enter the locking hole (511) in the radial direction and to rotate limited by the notch (512), threads are formed on the outer periphery of the connecting sleeve rod (52), the threaded sleeve (53) is screwed on the outer periphery of the connecting sleeve rod (52) and ascends and descends along the connecting sleeve rod (52), one end of the threaded sleeve (53) is screwed into the locking hole (511), the bottom surface of the locking hole (511) tightly props up the fixed rod (51) and tightly against the corresponding wheel shaft to prevent the The other end of the rod (52) slides out of the cutout (512).

2. A roll bending machine comprising an axle bracket (50) according to claim 1.

3. The roll bending machine according to claim 2, wherein: the die holder wheel structure comprises a fixed seat (20) and a die holder wheel structure (30) arranged on the fixed seat (20), wherein a guide groove (22) is transversely formed in the front end face of the fixed seat, the die holder wheel structure (30) comprises a die holder (31), a die holder wheel shaft (32) and a die wheel (33) sleeved on the die holder wheel shaft (32), the die holder (31) can be transversely arranged in the guide groove (22) of the fixed seat in a sliding manner, the die holder wheel shaft (32) is arranged on the die holder (31) through a bearing, the die holder wheel shaft (32) is perpendicular to the end face of the fixed seat (20), and one end, opposite to the end provided with a locking hole (511), of a fixed rod (51) of a wheel shaft support for supporting the die holder wheel shaft (32) is fixedly.

4. The roll bending machine according to claim 3, wherein: a row of fixed connection holes (55) are transversely formed in the front end face of the fixed seat (20) close to the bottom end, so that one end, opposite to the end provided with the locking hole (511), of the fixed rod (51) can be correspondingly and selectively fixedly connected.

5. The roll bending machine according to claim 3, wherein: the die holder wheel structure (30) is including promoting die holder (31) along guide slot (22) lateral shifting's displacement regulation structure, the displacement is adjusted the structure and is included lead screw (34), hand wheel (35) at lead screw (34) one end is connected, establish screw thread seat (36) on lead screw (34) and fix pot head (37) on fixing base (20) lateral wall, the trepanning of pot head is corresponding with shaft hole (24) on the side of fixing base (20), install the bearing on lead screw (34) and establish in the trepanning of pot head (37), shaft hole (24) on lead screw (34) the side of passing fixing base (20) penetrate to guide slot (22) in, establish screw thread seat (36) and die holder (31) rigid coupling on the lead screw, hand wheel (35) expose in the outside of fixing base (20) side.

6. The roll bending machine according to claim 3, wherein: the die holder wheel structure (30) further comprises a die holder wheel driving structure for driving the die holder wheel shaft (32) to rotate around the axis line of the die holder wheel driving structure, the die holder wheel driving structure comprises a motor (38) and a universal coupling (39), the motor (38) is fixedly installed in the rack (10), the output shaft of the motor (38) faces the die holder wheel shaft (32), the output shaft of the motor (38) is connected with one end of the universal coupling (39), and the other end of the universal coupling (39) is connected with the die holder wheel shaft (32).

7. The roll bending machine according to claim 2, wherein: including fixing base (20) and rolling wheel structure (40) of setting on fixing base (20), spout (21) have vertically been seted up on the preceding terminal surface of fixing base, rolling wheel structure (40) are including axle bed (41), rolling wheel shaft (42) and cover establish rolling wheel (43) on rolling wheel shaft (42), axle bed (41) can set up in spout (21) of fixing base longitudinally slidably, rolling wheel shaft (42) are installed on axle bed (41) through the bearing, and rolling wheel shaft (42) are perpendicular with the terminal surface of fixing base (20), be used for supporting the one end of dead lever (51) of the shaft bracket of rolling wheel shaft (42) is fixed to be set up on axle bed (41) for seting up lock holding hole (511).

8. The roll bending machine according to claim 7, wherein: an extension plate (54) is fixedly arranged on the shaft seat (41), and the fixed rod (51) is fixedly arranged on the extension plate (54).

9. The roll bending machine according to claim 2, wherein: the peripheral wall forming the sleeve hole (521) is provided with a lock pin hole (522) which is communicated with the sleeve hole (521).