CN210146719U

CN210146719U - Round bender

Info

Publication number: CN210146719U
Application number: CN201822272428.8U
Authority: CN
Inventors: 袁则怀; 赵爱平; 卞士国; 廖承芹
Original assignee: Foshan Nanhai Lichuan Cold Rolling Machinery Co Ltd
Current assignee: Foshan Nanhai Lichuan Cold Rolling Machinery Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-03-17
Anticipated expiration: 2028-12-29

Abstract

The utility model discloses a rounding machine, wherein a middle roller mounting mechanism comprises a middle mounting seat, a sliding block, a connecting shaft and a first adjusting screw, which are fixedly arranged on a mounting table; a first scale which is vertically arranged is also arranged on the right side surface of the middle mounting seat, and a first pointer which is transversely arranged is fixedly arranged on the right side surface of the sliding block; the middle roller set is rotatably connected with the sliding block; the roll-in pretreatment device comprises a left correction mechanism and a right correction mechanism, wherein the left correction mechanism and the right correction mechanism comprise at least two vertically arranged rotating shafts, the lower end of each rotating shaft is connected with an installation table, the at least one rotating shaft is connected with the installation table in a left-right moving mode, a correction roller is sleeved on each rotating shaft and rotatably connected with the rotating shafts, a horizontal annular track is arranged on each correction roller, and the circle center of each annular track is located on the axis of the corresponding correction roller. The utility model has the advantages of accurate adjustment of the curvature of the arc, simple structure and low cost; the rolling pretreatment device has left and right correction, and is beneficial to improving the quality of the arc section.

Description

Round bender

Technical Field

The utility model relates to a machining equipment field especially relates to a rounding machine.

Background

The bending machine generally comprises three groups of compression roller groups positioned on the same circular arc, the radian of the bent circle is often required to be adjusted in order to be capable of adapting to production requirements, and the radian of the bent circle is usually adjusted by adjusting the height of the compression roller group positioned in the middle due to the three-point circular arc. The press roll group has large mass, so the adjustment is inconvenient. For example, in the structure disclosed in the Chinese patent CN 202356472U-rounding machine, the position of the press roller group is adjusted by a hydraulic mechanism, so that the adjustment of the rounding radian is realized. The output acting force of the hydraulic mechanism is large, the position of the compression roller group can be easily adjusted, but the cost of the hydraulic mechanism is high, and the adjusted distance is difficult to accurately control during adjustment.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a make things convenient for curved circular knitting machine of adjusting can accurate regulation curved radian to simple structure, with low costs.

The utility model provides a solution of its technical problem is:

a circle bending machine comprises a rolling pre-treatment device, a mounting table, a middle roller set, a front roller set, a rear roller set, a middle roller mounting mechanism, a front roller mounting mechanism and a rear roller mounting mechanism; the device comprises a front roller set, a middle roller mounting mechanism, a front roller set and a back roller set, wherein the front roller set and the back roller set are respectively mounted on the front roller mounting mechanism and the back roller mounting mechanism; a first scale which is vertically arranged is also arranged on the right side surface of the middle mounting seat, and a first pointer which is transversely arranged is fixedly arranged on the right side surface of the sliding block; the middle roller set is arranged on the left side of the middle roller mounting mechanism and is rotatably connected with the sliding block; the roll-in pretreatment device comprises a left correction mechanism and a right correction mechanism, wherein the left correction mechanism and the right correction mechanism comprise at least two vertically arranged rotating shafts, the lower end of each rotating shaft is connected with an installation table, the at least one rotating shaft is connected with the installation table in a left-right moving mode, a correction roller is sleeved on each rotating shaft and rotatably connected with the rotating shafts, a horizontal annular track is arranged on each correction roller, and the circle center of each annular track is located on the axis of the corresponding correction roller.

As further improvement, still include the first kilo minute table of vertical setting, first kilo minute table includes the table body and probe, and the table body and middle mount pad rigid coupling have set firmly the connecting block on the right flank of slider, the lower extreme and the connecting block butt of probe.

As a further improvement, preceding roller installation mechanism includes the mounting panel of vertical setting, the connecting plate, the second scale, the second pointer, second adjusting screw, the rear side of mounting panel is located to the connecting plate and mounting panel sliding connection on vertical direction, the second scale, the second pointer sets firmly respectively in the mounting panel, on the right flank of connecting plate, the upper portion of second adjusting screw is rotatably connected with the upper portion of mounting panel, the lower part and the connecting plate threaded connection of second adjusting screw, the mounting panel, all be equipped with the punishment in advance passageway on the connecting plate, still set firmly preceding roller installed part on the trailing flank of connecting plate, preceding roller set rotatably is connected with preceding roller installed part.

As further improvement, the front roller mounting mechanism further comprises a second dial indicator, the second dial indicator comprises a dial indicator body and a probe, the dial indicator body of the second dial indicator is fixedly connected with the middle mounting seat, the lower end of the probe of the second dial indicator is abutted against the connecting plate, and the front roller mounting mechanism and the rear roller mounting mechanism have the same structure and are symmetrically arranged in the front and back directions.

As a further improvement, the pre-treatment device before rolling further comprises a mounting seat and a first locking nail, the mounting seat is fixedly connected with the mounting table, a transverse connecting groove is formed in the mounting seat, the lower end of at least one rotating shaft is connected with the connecting groove in a sliding mode, a first locking hole is formed in the connecting groove and is arranged in the front-back direction, the first locking hole is in threaded connection with the first locking nail, and the first locking nail is abutted to the lower end of the rotating shaft.

As a further improvement, the lower end of the rotating shaft which is in sliding connection with the connecting groove is provided with a second connecting block, the second connecting block is accommodated in the connecting groove, and the second connecting block is matched with the connecting groove.

As a further improvement, the left and right correction mechanisms further comprise bearings, the bearings are sleeved on the rotating shaft, and the correction rollers are sleeved on the bearings.

As a further improvement, the number of the annular tracks is a plurality, the annular tracks are arranged at intervals, and the widths of the annular tracks are in an arithmetic progression.

As further improvement, the correction roller includes correction roller, second check pin down, and the center of correcting the roller down is equipped with vertical connecting hole, goes up the correction roller and includes roller main part and the connecting portion of rigid coupling in roller main part below, connecting portion and connecting hole sliding connection, is equipped with second locking hole on the correction roller down, second locking hole and second check pin threaded connection, second check pin and connecting portion butt.

As a further improvement, a horizontal annular groove is formed in the surface of the first adjusting screw, a horizontal annular bulge is arranged in the connecting shaft and extends into the annular groove, the connecting shaft comprises a left shaft and a right shaft, the annular bulges are distributed on the left shaft and the right shaft, and the left shaft and the right shaft are connected through bolts.

The utility model has the advantages that: the bending radian can be accurately adjusted, and the device has the advantages of simple structure and low cost; the rolling pre-treatment device plays a role in left-right correction, can ensure that the section entering the bending machine is not inclined, and is beneficial to improving the quality of the arc section.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a right side view of the present invention;

fig. 2 is a cross-sectional view of a first embodiment of the present invention;

FIG. 3 is a partial front view of the pre-rolling treatment apparatus of the present invention;

fig. 4 is a sectional view of a second embodiment of the present invention;

fig. 5 is an assembly schematic view of a first adjusting screw and a connecting shaft of the present invention;

fig. 6 is a partial plan view of the connecting shaft of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

Referring to fig. 1 to 3,5 to 6, this is embodiment one of the present invention, specifically:

a circle bending machine comprises a rolling pre-treatment device, a mounting table 1, an intermediate roller set 212, a front roller set 206, a rear roller set, an intermediate roller mounting mechanism, a front roller mounting mechanism and a rear roller mounting mechanism; the pre-rolling treatment device is arranged in front of the front roller set 206, the middle roller set 212 is arranged on the middle roller mounting mechanism, the front roller set 206 and the rear roller set are respectively arranged on the front roller mounting mechanism and the rear roller mounting mechanism, the middle roller set 212 is arranged between the front roller set 206 and the rear roller set, the middle roller mounting mechanism comprises a middle mounting seat 210, a sliding block 211, a connecting shaft 217 and a first adjusting screw 215, the middle mounting seat 210 is provided with a sliding groove, the sliding groove is in sliding connection with the sliding block 211 in the vertical direction, the connecting shaft 217 is fixedly arranged at the top of the middle mounting seat 210, the upper part of the first adjusting screw 215 is rotatably connected with the connecting shaft 217, and the lower part of the first adjusting screw 215 is in; a vertically arranged first graduated scale 213 is further arranged on the right side surface of the middle mounting base 210, and a transversely arranged first pointer 214 is fixedly arranged on the right side surface of the sliding block 211; the middle roller set 212 is arranged on the left side of the middle roller mounting mechanism, and the middle roller set 212 is rotatably connected with the sliding block 211; the roll-in pretreatment device comprises a left correction mechanism 110 and a right correction mechanism 110, wherein the left correction mechanism 110 and the right correction mechanism 110 comprise at least two vertically arranged rotating shafts 112, the lower ends of the rotating shafts 112 are connected with the mounting table 1, the at least one rotating shaft 112 is connected with the mounting table 1 in a left-right movable mode, a correction roller 111 is sleeved on the rotating shaft 112, the correction roller 111 is rotatably connected with the rotating shaft 112, a horizontal annular track 113 is arranged on the correction roller 111, and the circle center of the annular track 113 is located on the axis of the correction roller 111.

When the adjusting device is used, the first adjusting screw 215 is screwed, the first adjusting screw 215 rotates on the connecting shaft 217, and the bottom of the first adjusting screw 215 is in threaded connection with the sliding block 211, so that when the first adjusting screw 215 is screwed, the sliding block 211 can move up and down in the sliding groove of the middle mounting seat 210, the middle roller set 212 moves up and down along with the sliding block 211, and the height of the middle roller set 212 can be conveniently adjusted; further, since the first scale 213 and the first pointer 214 are provided, the distance of the up and down movement of the slider 211 can be easily read according to the scale of the first scale 213 indicated by the first pointer 214. So the utility model discloses a structure has can accurate regulation curved radian to simple structure, advantage with low costs. The left side and the right side of the sectional material are respectively supported by the annular rails 113 on the left correcting roller 111 and the right correcting roller 111, the sectional material passes through the annular rails 113 from front to back, and the correcting rollers 111 are driven to rotate on the rotating shaft 112 due to the left side and the right side of the friction force, so that the friction between the sectional material and the correcting rollers 111 is reduced. By adjusting the rotating shaft 112, the distance between the two annular tracks 113 can be adjusted to adapt to the profiles with different widths. Because the friction is small, the correcting roller 111 is not easy to wear, the contact area of the correcting roller 111 and the section bar is small, and the condition that the depths of the inlet and the outlet are different is avoided.

Further, still including the first thousandth table 216 of vertical setting, first thousandth table 216 includes the table body and probe, and the table body and middle mount pad 210 rigid coupling have set firmly the connecting block on the right flank of slider 211, the lower extreme and the connecting block butt of probe. When the slider 211 moves, the connecting block moves along with the slider, and during the up-and-down movement of the connecting block, the probe of the first dial indicator 216 is compressed or released to cause the value of the first dial indicator 216 to change, so that the moving distance of the slider 211 can be read from the first dial indicator 216, and the scale indicated by the first pointer 214 can be added to the moving distance of the slider 211, so that the moving distance of the slider 211 can be read very accurately.

Further, preceding roller installation mechanism includes vertical setting's mounting panel 200, connecting plate 201, second scale 202, second pointer 203, second adjusting screw 204, the rear side of mounting panel 200 is located to connecting plate 201 and mounting panel 200 be sliding connection in vertical direction, second scale 202, second pointer 203 sets firmly respectively in mounting panel 200, on the right flank of connecting plate 201, the upper portion of second adjusting screw 204 is connected with the upper portion of mounting panel 200 rotatably, the lower part and the connecting plate 201 threaded connection of second adjusting screw 204, mounting panel 200, all be equipped with the punishment in advance passageway on connecting plate 201, still set firmly preceding roller installed part 209 on the trailing flank of connecting plate 201, preceding roller set 206 and preceding roller installed part 209 are connected rotatably. When the second adjusting screw 204 is screwed, the connecting plate 201 moves up and down along the mounting plate 200, and the second pointer 203 also moves up and down relative to the second scale 202, so that the height of the front roller set 206 can be conveniently adjusted, and the moving distance of the front roller set 206 can be conveniently read.

Further, the front roller mounting mechanism further comprises a second dial indicator 205, the second dial indicator 205 comprises a dial body and a probe, the dial body of the second dial indicator 205 is fixedly connected with the middle mounting seat 210, the lower end of the probe of the second dial indicator 205 is abutted to the connecting plate 201, and the front roller mounting mechanism and the rear roller mounting mechanism have the same structure and are symmetrically arranged in the front-back direction. The second micrometer 205 functions as an auxiliary scale for the second scale 202.

Further, before processing apparatus before the roll-in still includes mount pad 140, first lock nail 142, mount pad 140 and mount table 1 rigid coupling, is equipped with horizontal connecting groove 141 on the mount pad 140, and the lower extreme and the connecting groove 141 sliding connection of an at least pivot 112 still are equipped with the first locking hole that sets up along the fore-and-aft direction on the connecting groove 141, first locking hole and first lock nail 142 threaded connection, the lower extreme butt of first lock nail 142 and pivot 112. During adjustment, the first locking nail 142 is unscrewed, so that the first locking nail 142 is separated from the lower end of the rotating shaft 112 to be abutted, the rotating shaft 112 is moved to a proper position along the connecting groove 141, and then the first locking nail 142 is screwed to fix the rotating shaft 112.

Further, a second connection block 119 is disposed at a lower end of the rotation shaft 112 slidably connected to the connection groove 141, the second connection block 119 is received in the connection groove 141, and the second connection block 119 is fitted to the connection groove 141. In order to rotatably connect with the correcting roller 111, the rotating shaft 112 should be cylindrical, and when the cylindrical rotating shaft 112 abuts against the first locking nail 142, it is not easy to firmly abut, so the second connecting block 119 is provided.

Further, the left and right calibration mechanism 110 further includes a bearing 114, the bearing 114 is sleeved on the rotating shaft 112, and the calibration roller 111 is sleeved on the bearing 114. Thus, the correction roller 111 rotates more smoothly with a small rotational friction.

Further, the number of the annular tracks 113 is several, the plurality of annular tracks 113 are arranged at intervals, and the widths of the plurality of annular tracks 113 are in an equal difference number sequence. The structure is provided for adapting to profiles of different thickness.

Further, a horizontal annular groove is formed in the surface of the first adjusting screw 215, a horizontal annular protrusion is formed in the connecting shaft 217 and extends into the annular groove, the connecting shaft 217 comprises a left shaft and a right shaft, the annular protrusion is distributed on the left shaft and the right shaft, and the left shaft and the right shaft are connected through bolts. For convenience of installation, an annular bulge can be turned in the connecting shaft 217, then the connecting shaft 217 is cut into two halves by warps, the annular bulge is also cut into two halves at the same time, and after the first adjusting screw 215 is placed in a position matched with the annular bulge, the two halves of the connecting shaft 217 are spliced together.

Referring to fig. 4, this is an embodiment two of the present invention, and the difference from the above embodiment is:

the correction roller 111 comprises an upper correction roller 115, a lower correction roller 116 and a second locking nail 117, a vertical connecting hole is formed in the center of the lower correction roller 116, the upper correction roller 115 comprises a roller body and a connecting portion 118 fixedly connected below the roller body, the connecting portion 118 is connected with the connecting hole in a sliding mode, a second locking hole is formed in the lower correction roller 116, the second locking hole is in threaded connection with the second locking nail 117, and the second locking nail 117 abuts against the connecting portion 118.

The structure can also be adapted to profiles of different thicknesses. By adjusting the distance of the roller body from the lower correction roller 116, the height of the connecting portion 118 exposing the lower correction roller 116, i.e. the thickness of the maximally adaptable profile, can be adjusted. With this structure, continuous adjustment is possible, instead of multi-stage adjustment, enabling adaptation to profiles of various thicknesses.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A circle bending machine comprises a rolling pre-treatment device, a mounting table (1), a middle roller set (212), a front roller set (206), a rear roller set, a middle roller mounting mechanism, a front roller mounting mechanism and a rear roller mounting mechanism; processing apparatus before roll-in locates preceding roller set (206) the place ahead, and roller set (212) are installed in the middle of on roller installation mechanism, and preceding roller set (206), back roller set are installed respectively in the front on roller installation mechanism, back roller installation mechanism, and between preceding roller set (206), the back roller set, its characterized in that are located in middle roller set (212):

the middle roller mounting mechanism comprises a middle mounting seat (210) fixedly arranged on the mounting table (1), a sliding block (211), a connecting shaft (217) and a first adjusting screw (215), wherein a sliding groove is formed in the middle mounting seat (210), the sliding groove is connected with the sliding block (211) in a sliding mode in the vertical direction, the connecting shaft (217) is fixedly arranged at the top of the middle mounting seat (210), the upper portion of the first adjusting screw (215) is rotatably connected with the connecting shaft (217), and the lower portion of the first adjusting screw (215) is in threaded connection with the sliding block (211); a first scale (213) which is vertically arranged is also arranged on the right side surface of the middle mounting seat (210), and a first pointer (214) which is transversely arranged is fixedly arranged on the right side surface of the sliding block (211); the middle roller set (212) is arranged on the left side of the middle roller mounting mechanism, and the middle roller set (212) is rotatably connected with the sliding block (211);

processing apparatus before roll-in includes controls aligning gear (110), aligning gear (110) includes pivot (112) of two piece at least vertical settings about, the lower extreme and mount table (1) of pivot (112) are connected, but at least pivot (112) and mount table (1) remove the ground and be connected about, the cover is equipped with correction roller (111) on pivot (112), correction roller (111) are connected with pivot (112) rotatably, be equipped with horizontally ring rail (113) on correction roller (111), the centre of a circle of ring rail (113) is located the axis of correction roller (111).

2. The rounder according to claim 1, wherein: still including the first thousandth table (216) of vertical setting, first thousandth table (216) are including the table body and probe, table body and middle mount pad (210) rigid coupling, have set firmly the connecting block on the right flank of slider (211), the lower extreme and the connecting block butt of probe.

3. The rounder according to claim 1, wherein: the front roller mounting mechanism comprises a mounting plate (200), a connecting plate (201), a second graduated scale (202), a second pointer (203) and a second adjusting screw (204) which are vertically arranged, the rear side of mounting panel (200) is located in connecting plate (201) and mounting panel (200) sliding connection on vertical direction, second scale (202), second pointer (203) set firmly respectively in mounting panel (200), on the right flank of connecting plate (201), the upper portion of second adjusting screw (204) is rotatably connected with the upper portion of mounting panel (200), the lower part and connecting plate (201) threaded connection of second adjusting screw (204), mounting panel (200), all be equipped with the punishment in advance passageway on connecting plate (201), still set firmly preceding roller installed part (209) on the trailing flank of connecting plate (201), preceding roller set (206) and preceding roller installed part (209) are rotatably connected.

4. The rounder according to claim 3, wherein: the front roller mounting mechanism further comprises a second dial indicator (205), the second dial indicator (205) comprises a dial body and a probe, the dial body of the second dial indicator (205) is fixedly connected with the middle mounting seat (210), the lower end of the probe of the second dial indicator (205) is abutted against the connecting plate (201), and the front roller mounting mechanism and the rear roller mounting mechanism have the same structure and are symmetrically arranged front and back.

5. The rounder according to claim 1, wherein: the pre-processing device before roll-in further comprises a mounting seat (140) and a first locking nail (142), the mounting seat (140) is fixedly connected with the mounting table (1), a transverse connecting groove (141) is formed in the mounting seat (140), the lower end of at least one rotating shaft (112) is in sliding connection with the connecting groove (141), a first locking hole is formed in the connecting groove (141) and is arranged along the front-back direction, the first locking hole is in threaded connection with the first locking nail (142), and the first locking nail (142) is abutted to the lower end of the rotating shaft (112).

6. The rounder according to claim 5, wherein: the lower end of the rotating shaft (112) in sliding connection with the connecting groove (141) is provided with a second connecting block (119), the second connecting block (119) is accommodated in the connecting groove (141), and the second connecting block (119) is matched with the connecting groove (141).

7. The rounder according to claim 1, wherein: the left and right correction mechanism (110) further comprises a bearing (114), the bearing (114) is sleeved on the rotating shaft (112), and the correction roller (111) is sleeved on the bearing (114).

8. The rounder according to claim 1, wherein: the number of the annular tracks (113) is a plurality, the annular tracks (113) are arranged at intervals, and the widths of the annular tracks (113) are in an arithmetic progression.

9. The rounder according to claim 1, wherein: correction roller (111) are including correcting roller (115), correcting roller (116) down, second check pin (117), the center of correcting roller (116) down is equipped with vertical connecting hole, it includes roller main part and connecting portion (118) of rigid coupling in roller main part below to go up correction roller (115), connecting portion (118) and connecting hole sliding connection are equipped with second locking hole down on correcting roller (116), second locking hole and second check pin (117) threaded connection, second check pin (117) and connecting portion (118) butt.

10. The rounder according to claim 1, wherein: the surface of the first adjusting screw (215) is provided with a horizontal annular groove, a horizontal annular bulge is arranged in the connecting shaft (217), the annular bulge extends into the annular groove, the connecting shaft (217) comprises a left shaft and a right shaft, the annular bulge is distributed on the left shaft and the right shaft, and the left shaft and the right shaft are connected through bolts.