CN209986033U - Frock is rectified to rim middle section circularity - Google Patents
Frock is rectified to rim middle section circularity Download PDFInfo
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- CN209986033U CN209986033U CN201920452518.7U CN201920452518U CN209986033U CN 209986033 U CN209986033 U CN 209986033U CN 201920452518 U CN201920452518 U CN 201920452518U CN 209986033 U CN209986033 U CN 209986033U
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Abstract
The utility model discloses a frock is rectified to rim middle section circularity, T shape frock base supports subaerial through pre-buried rag screw fixed connection, frock base top middle part head post lateral surface a plurality of radial flange formula pneumatic cylinders that are promote main tributary supporting jaw follow inside circumference in the outside extrusion correction rim, outside three ears formula hydraulic cylinder level promotes the outer mold support and slides along the slide rail seat through the slider, promote three outer formworks and follow the outside periphery of radial inside extrusion correction rim, the cope match-plate pattern, through uide pin and pinhole cooperation height-adjusting between the lower bolster, the inside auxiliary stay claw height-adjusting that sets up of main tributary supporting jaw, with the not rim of adaptation co-altitude, ensure the rim axiality, satisfy the requirement of tailor welding technology circularity, improve product quality stability, save product process time, high production efficiency.
Description
Technical Field
The invention relates to a roundness correction tool for a middle section of a rim.
Background
The vehicle tire is generally fixedly installed through a rim body, the rim body is generally in a cylindrical structure, a main body structure is formed by three sections of a large section A, a middle section B and a groove section C in an axial direction through tailor welding, in the rim processing technology in the prior art, the large section A and the groove section C are generally manufactured through a finish turning technology, the middle section B is generally manufactured through a rolling technology, the finish turning A section and the finish turning C section are fixedly connected with the rolling B section through the tailor welding technology to form an integral rim structure, the roundness of the rolling B section often exceeds phi 3mm in the manual rolling process, the error is large, the precision requirement of direct tailor welding with the finish turning A section and the finish turning C section cannot be met, the circle of the rolling B section of the rim with the roundness exceeding phi 3mm needs to be corrected, the coaxiality of the finish turning A section, the finish turning C section and the rolling B section is ensured, and a special roundness correcting device which can adapt to the requirement of the roundness of the rolling B section is not available in the traditional technology, the product quality is unstable, the product consumes long processing time, and the production efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of providing the roundness correction tool for the middle section of the rim, which can meet the roundness requirement of the rim, improve the quality stability of products, save the processing time of the products and have high production efficiency.
The invention discloses a roundness correction tool for a middle section of a rim, which is characterized in that: the tool comprises a tool base, wherein a main upright post is arranged at the central position above the tool base, a plurality of flange type hydraulic cylinders are uniformly distributed and fixedly connected to the outer side surface of the main upright post along the circumferential direction, the bottom end of each flange type hydraulic cylinder is fixedly connected to the outer side surface of the main upright post, a telescopic rod extends outwards along the radial direction of the section of the main upright post, the plurality of flange type hydraulic cylinders are radially distributed around the central point of the main upright post, and the plurality of flange type hydraulic cylinders are connected with a synchronous control center;
the outer end of a telescopic rod of each flange type hydraulic cylinder is connected with a supporting claw joint through thread fit, the outer side of the supporting claw joint is connected with a main supporting claw through a bolt, each main supporting claw is arranged along the vertical direction, the outer side surfaces of a plurality of main supporting claws form an arc-shaped supporting surface capable of extruding and correcting the inner circumferential surface of a rim from inside to outside, the back of each main supporting claw is connected onto the supporting claw joint through the bolt, the outer side surface of each main supporting claw is provided with a U-shaped groove, an auxiliary supporting claw is arranged in the U-shaped groove in a fit mode, a plurality of bolt holes are formed in the corresponding positions of the main supporting claw and the auxiliary supporting claw, a pin is arranged in each through hole, and the auxiliary supporting claws are connected into the U-shaped grooves of the;
an outer die is arranged on a concentric circle position with the radius larger than the farthest distance of the outer side surface of the main supporting claw, the outer die is formed by combining three arc-shaped outer templates which are uniformly arranged along the circumferential direction, and the outer side surface of each outer template is connected with a driving mechanism which can push the outer templates to extrude and correct the outer circumferential surface of the rim inwards along the radial direction; each outer template is provided with a plurality of reserved spot welding window holes;
each outer template comprises an upper template and a lower template, lower mounting bosses are symmetrically arranged at the positions, close to the two ends, of the upper part of the outer side surface of the lower template, pin holes extending downwards from the top surface are formed in the lower mounting bosses, upper mounting bosses are arranged at the positions, corresponding to the lower mounting bosses, of the lower part of the outer side surface of the lower template, and guide pins extending downwards from the bottom surface and capable of extending into the pin holes of the lower mounting bosses are arranged on the upper mounting bosses;
the tool base is of a transverse T-shaped structure, the center of the main upright post is positioned at the geometric center of the T-shaped tool base, the central line of the driving mechanism of one outer module is distributed at the transverse position along the transverse central line of the transverse T-shaped tool base, and the driving mechanisms of the other two outer modules are symmetrically arranged at the longitudinal position of the transverse T-shaped tool base;
the driving mechanism of each outer template comprises a slide rail seat fixedly connected to the upper surface of the tool base and a slide block capable of horizontally sliding along the slide rail seat; vertical fixing plates are arranged at two ends of the slide rail seat, two guide shafts are arranged between the upper ends of the vertical fixing plates at the two ends and are parallel to each other in the horizontal direction, two inverted V-shaped rails are fixedly connected to a bottom plate of the slide rail seat between the vertical fixing plates at the two ends, each inverted V-shaped rail is parallel to the corresponding guide shaft in the vertical direction, and the slide block is sleeved on the two guide shafts; two sides of the bottom of the sliding block are respectively connected with a V-shaped groove roller, and each side of the V-shaped groove roller is respectively matched and installed with a corresponding inverted V-shaped track; the top surface of the sliding block is fixedly connected with an L-shaped outer mold support, the bottom end of the vertical part of the outer mold support is provided with a horizontal connecting plate, and the horizontal connecting plate is fixedly connected to the top surface of the sliding block through a fourth bolt; an oil cylinder seat base is arranged on the position, located on the outer side of the sliding rail seat, of the tooling base, a hydraulic oil cylinder is fixedly mounted at the top end of the oil cylinder seat base, an ear ring seat is fixedly connected to the middle of the upper end of the outer side face of the outer template, a pair of ear plates is fixedly arranged on the upper section of the ear ring seat, the front end of a telescopic rod of the hydraulic oil cylinder extends into the space between the pair of ear plates along the horizontal direction and is fixedly connected through a fifth bolt, a vertical connecting plate is arranged on the horizontal part of the outer template support, and the vertical connecting plate;
the hydraulic oil cylinder is a double-lug hydraulic oil cylinder, the top end of the base of the oil cylinder base is fixedly connected with the oil cylinder base through a second bolt 18, and the rear end of the hydraulic oil cylinder is fixedly connected to the oil cylinder base through a first bolt;
a cushion block is fixedly arranged on the upper surface of the tooling base in a space between each outer template and the adjacent outer template, and the distance between each outer template and the adjacent outer template is greater than the thickness of the cushion block;
a plurality of reserved spot welding window holes are uniformly distributed on the upper template close to the upper edge and the lower template close to the lower edge of each outer template along the circumferential direction respectively,
the inverted V-shaped track is fixedly connected to the bottom plate of the slide rail seat through welding;
the upright post is of a polygon prism structure, the bottom of each outer side face of the polygon prism is respectively and fixedly connected with a flange type hydraulic cylinder through a mounting flange, the mounting flange is a square with the side length consistent with the width of the outer side face of the polygon prism, and the mounting flange is fixedly connected to the outer side face of the polygon prism through a first screw;
the upright posts are regular octagonal prisms, and eight flange type hydraulic cylinders are connected to the outer side faces of the regular octagonal prisms;
the tool base is characterized in that a plurality of vertical downward extending embedded anchor screws are connected below the tool base, and adjusting nuts capable of adjusting the height of the tool base are arranged on the anchor screws.
According to the roundness correction tool for the middle section of the rim, the T-shaped tool base is fixedly connected and supported on the ground through the embedded foundation screws, the flange-type hydraulic cylinders in a radial shape on the outer side face of the main upright column in the middle above the tool base push the main supporting claws to extrude the inner circumferential face of the correction rim from inside to outside, the three double-lug-type hydraulic cylinders outside push the outer die support to slide along the slide rail seat through the slide block, the three outer die plates are pushed to extrude the outer circumferential face of the correction rim from inside to outside along the radial direction, the coaxiality of the rim is ensured, the roundness requirement of a splicing welding process is met, the quality stability of.
Drawings
FIG. 1 is a schematic perspective view of a roundness correction tool for a middle section of a rim in an embodiment of the invention;
FIG. 2 is a schematic plane structure diagram of the roundness correction tool for the middle section of the rim in the embodiment of the invention;
FIG. 3 is an enlarged schematic view of a three-dimensional structure of a connecting part of a main supporting claw and a flange type hydraulic cylinder of the roundness correction tool for the middle section of a rim in the embodiment of the invention;
FIG. 4 is an enlarged schematic view of a three-dimensional structure of a driving mechanism part of an outer template of the roundness correction tool for the middle section of the rim in the embodiment of the invention;
FIG. 5 is an enlarged schematic view of a three-dimensional structure of a main supporting claw and an auxiliary supporting claw of the roundness correction tool for the middle section of a rim in the embodiment of the invention;
FIG. 6 is an enlarged schematic view of a three-dimensional structure of an upper template and a lower template of the roundness correction tool for the middle section of the rim in the embodiment of the invention;
in the figure:
1-foundation bolt, 2-tooling base, 3-pin, 4-main upright post, 5-first screw,
6-flange type hydraulic cylinder, 7-supporting jaw joint, 8-main supporting jaw, 9-auxiliary supporting jaw,
10-an upper template, 11-a lower template, 12-a spot welding window hole, 13-a second screw,
14-driving mechanism, 15-cushion block, 16-cylinder seat, 17-first bolt,
18-a second bolt, 19-an oil cylinder base, 20-a slide rail base, 21-an inverted V-shaped rail,
22-guide shaft, 23-V-shaped groove roller, 24-third bolt, 25-slide block,
26-external mold support, 27-fourth bolt, 28-earring seat, 29-fifth bolt,
30-double lug type hydraulic cylinder.
Detailed Description
As shown in the figure, a frock is rectified to rim middle section circularity, at first set up fixture base 2, fixture base 2 is horizontal T font structure, set up head tree 4 in fixture base top, head tree 4 center is located T font fixture base's geometric centre puts, along circumferencial direction evenly distributed on the 4 lateral surfaces of head tree, a plurality of flange formula pneumatic cylinders 6 of fixed connection, 6 bottom fixed connection of every flange formula pneumatic cylinder are on the lateral surface of head tree 4, its telescopic link extends to the outside along the radial level in 4 cross-sections of head tree, a plurality of flange formula pneumatic cylinders 6 are radial distribution around the head tree central point, a plurality of flange formula pneumatic cylinders 6 are connected to the synchro-control center, by the synchronous execution flexible action of control center control.
The outer end of a telescopic rod of each flange type hydraulic cylinder 6 is connected with a supporting claw joint 7 through thread fit, the outer side of the supporting claw joint 7 is connected with a main supporting claw 8 through a bolt, each main supporting claw 8 is arranged along the vertical direction, the outer side surfaces of a plurality of main supporting claws 8 form an arc-shaped supporting surface which can extrude and correct the inner circumferential surface of a rim from inside to outside, the back part of the main supporting claw 8 is connected with the supporting claw joint 7 through a bolt, the outer side surface of the main supporting claw 8 is provided with a U-shaped groove, an auxiliary supporting claw 9 is arranged in the U-shaped groove in a matched mode, a plurality of pin holes are arranged at the corresponding positions of the main supporting claw 8 and the auxiliary supporting claw 9, a pin 3 is arranged in each through hole, the auxiliary supporting claw 9 is connected in the U-shaped groove of the main supporting claw 8 through the pin 3 in a penetrating mode and can move up and down along the U-shaped groove of the main supporting claw 8 to adapt to, and the pin is used for through connection, so that the mechanical structure is stable and reliable.
An outer die is arranged on a concentric circle position with the radius larger than the farthest distance of the outer side surface of the main supporting claw, the outer die is formed by combining three arc-shaped outer die plates which are uniformly arranged along the circumferential direction, and the outer side surface of each outer die plate is connected with a driving mechanism 14 capable of pushing the outer die plates to extrude and correct the outer circumferential surface of the rim inwards along the radial direction; a plurality of reserved spot welding window holes 12 are formed in each outer template, the coaxiality of the wheel rims is ensured by simultaneously extruding from the inner direction and the outer direction, and after the roundness requirement of the tailor-welding process is met, the spot welding window holes are fixedly connected in a welding mode, and the operation is convenient.
Every exterior sheathing is including cope match-plate pattern 10, lower bolster 11, 11 lateral surface upper portions of lower bolster are located the position symmetry of earrings seat both sides and are provided with down the installation boss, lower installation boss is provided with the pinhole from top surface downwardly extending, lower bolster lateral surface lower part is provided with the installation boss with lower installation boss relevant position, it is provided with from bottom surface downwardly extending and can stretch into the uide pin in the installation boss pinhole down to go up the installation boss, reciprocate in the pinhole through the uide pin, adjustment external mold height, in order to adapt to the rim of co-altitude not.
The central line of the driving mechanism 14 of one of the three outer modules is distributed at the transverse position along the transverse central line of the transverse T-shaped tool base, the driving mechanisms of the other two outer modules are symmetrically arranged at the longitudinal position of the transverse T-shaped tool base, the T-shaped tool base is convenient for operators to operate and observe, and the occupied space is small.
Further, the driving mechanism 14 of each outer template comprises a slide rail seat 20 fixedly connected to the upper surface of the tooling base 2, and a slide block 25 capable of horizontally sliding along the slide rail seat; vertical fixing plates are arranged at two ends of the slide rail seat 20, two guide shafts 22 are arranged between the upper ends of the vertical fixing plates at the two ends, the two guide shafts 22 are parallel to each other in the horizontal direction, two inverted V-shaped rails 21 are fixedly connected to a bottom plate of the slide rail seat 20, which is positioned between the vertical fixing plates at the two ends, each inverted V-shaped rail 21 is parallel to the corresponding guide shaft 22 in the vertical direction, and a slide block 25 is sleeved on the two guide shafts 22; two sides of the bottom of the slide block 25 are respectively connected with a V-shaped groove roller 23, and the V-shaped groove rollers 23 on each side are respectively matched with the corresponding inverted V-shaped rails 21; an L-shaped outer mold support 26 is fixedly connected to the top surface of the sliding block 25, a horizontal connecting plate is arranged at the bottom end of the vertical part of the outer mold support 26, and the horizontal connecting plate is fixedly connected to the top surface of the sliding block 25 through a fourth bolt 27; the position that lies in the slide rail seat 20 outside on the frock base 2 is provided with hydro-cylinder seat base 19, the 19 top fixed mounting of hydro-cylinder seat base has hydraulic cylinder 30, outer form lateral surface upper end middle part fixedly connected with earrings seat 28, the fixed a pair of otic placode that is provided with in earrings seat 28 upper segment, hydraulic cylinder 30's telescopic link front end stretches into to between a pair of otic placode along the horizontal direction, and through fifth bolt 29 fixed connection, outer mold support 26 horizontal part is provided with vertical connecting plate, vertical connecting plate passes through second screw 13 fixed connection at the earrings seat hypomere.
In the embodiment, the hydraulic oil cylinder is a double-lug hydraulic oil cylinder, the top end of an oil cylinder base 19 is fixedly connected with an oil cylinder base 16 through a second bolt 18, the rear end of a hydraulic oil cylinder 30 is fixedly connected to the oil cylinder base 16 through a first bolt 17, the hydraulic oil cylinder is arranged along the horizontal direction, and a telescopic rod of the hydraulic oil cylinder moves in a telescopic manner along the horizontal direction to drive the outer mold to move horizontally through a sliding block.
The part of the upper surface of the tooling base 2, which is positioned in the space between each outer template and the adjacent outer template, is fixedly provided with a cushion block 15, the distance between each outer template and the adjacent outer template is greater than the thickness of the cushion block 15, so that the moving space of the three outer templates is ensured, and the rim is arranged on the cushion block 15 when the roundness is correct, thereby facilitating the welding operation.
The positions of the upper template 10, close to the upper edge, and the lower template 11, close to the lower edge of each outer template are respectively and uniformly distributed with a plurality of reserved spot welding window holes 12 along the circumferential direction, so that the rim parts of the upper section, the middle section and the lower section can be conveniently and multi-spot welded, and the connection is reliable.
The inverted V-shaped track 21 is fixedly connected to the bottom plate of the slide rail seat through welding, and the strength is high.
Furthermore, the main upright post is of a polygon prism structure, the bottom of each outer side face of the polygon prism is fixedly connected with a flange type hydraulic cylinder 6 through a mounting flange, the mounting flange is a square with the side length being consistent with the width of the outer side face of the polygon prism, and the mounting flange is fixedly connected to the outer side face of the polygon prism through a first screw 5, so that the connection is stable and reliable.
Furthermore, the main upright column is a regular octagonal prism, eight flange-type hydraulic cylinders 6 are connected to the outer side faces of the regular octagonal prism, and 8 main supporting claws are connected simultaneously, so that the correcting effect is good.
Connect a plurality of vertical downwardly extending's pre-buried rag screw 1 below fixture base 2, be provided with the adjusting nut that can adjust fixture base height on the rag screw 1, support steadily.
According to the roundness correction tool for the middle section of the rim, the T-shaped tool base is fixedly connected and supported on the ground through the embedded foundation screws, the flange-type hydraulic cylinders in a radial shape on the outer side face of the main upright column in the middle above the tool base push the main supporting claws to extrude the inner circumferential face of the correction rim from inside to outside, the three double-lug-type hydraulic cylinders outside push the outer die support to slide along the slide rail seat through the slide block, the three outer die plates are pushed to extrude the outer circumferential face of the correction rim from inside to outside along the radial direction, the coaxiality of the rim is ensured, the roundness requirement of a splicing welding process is met, the quality stability of.
The specific design concept is as follows:
the rim body is a cylindrical workpiece, and the rim body is formed by three sections of a large section A, a middle section B and a groove section C in an axial direction through tailor welding. Compared with the traditional rim processing technology, the novel rim is formed by directly welding a finish turning section A, a finish turning section C and a rolled section B. Because the middle section B is formed by manually rolling, the roundness of the middle section B often exceeds phi 3mm, and the precision requirement of direct splice welding with A, C sections cannot be met, so that the roundness of the middle section of the rim with the roundness exceeding phi 3mm needs to be corrected, and the coaxiality of A, B, C three-section splice welding is ensured. Based on the device, the invention develops a novel roundness correcting device for the wheel rim. The correcting device improves the product quality, and can save the processing time of the product, thereby improving the production efficiency of the product.
The tool comprises an inner supporting part, an outer die driving mechanism 14, foundation bolts 1, a tool base 2 and cushion blocks 15 from inside to outside. The inner support part consists of a pin 3, a main upright post 4, a first screw 5, eight flange type hydraulic cylinders 6, eight supporting claw joints 7, eight main supporting claws 8 and eight auxiliary supporting claws 9, and the outer mold driving mechanism 14 comprises three upper mold plates 10, three lower outer molds 11, a reserved spot welding window hole 12, a second screw 13, three oil cylinder seats 16, a first bolt 17, a second bolt 18, three oil cylinder bases 19, three slide rail seats 20, six inverted V-shaped rails 21, six guide shafts, twelve V-shaped groove rollers, a third bolt 24, three slide blocks 25, three outer mold supports 26, a fourth bolt 27, three outer mold ear ring seats 28, a fifth bolt 29 and three double-ear type oil cylinders 30.
The main structural connection mode of the rim roundness correction device is as follows:
one ends of eight flange type hydraulic cylinders 6 which are uniformly distributed along the circumferential direction are fixedly connected with a main upright post 4 through first screws 5, the other ends of the eight flange type hydraulic cylinders are provided with threads to be connected with the threads of a supporting claw joint 7, the back of the main supporting claw 8 is movably sleeved with a bolt on the supporting claw joint 7, two side surfaces of the main supporting claw 8 are provided with pin holes, and an auxiliary supporting claw 9 is connected with the main supporting claw 8 through a pin 3 in the pin hole, so that the supporting claws can be synchronously and outwards supported out simultaneously under the action of the horizontal thrust of the flange type hydraulic cylinders 6; in the three outer mold driving mechanisms 14 which are uniformly distributed along the central axis of the main upright post 4, a slide rail seat 20 is welded on the tooling base 2, vertical plates capable of fixing a guide shaft 22 are distributed on the slide rail seat 20, an inverted V-shaped track 21 is positioned below the guide shaft 22 and welded on the slide rail seat 20, a slide block 25 is movably sleeved on the guide shaft 22, and a V-shaped groove roller 23 is connected below the slide block 25 through a third bolt 24 and is in sliding fit with the inverted V-shaped track 21. The outer die support 26 is fixed on the sliding block 25 through a fourth bolt 27, the upper portion of the outer die support is fixedly connected with an outer die earring seat 28 through a second bolt 13, the outer die earring seat 28 is welded at the middle position of the lower die plate 11, and the upper die plate 10 is sleeved on the lower die plate 11 through a pin shaft. One end of the double-lug hydraulic oil cylinder 30 is connected with the outer mold lug seat 28 through a fifth bolt 29, the other end of the double-lug hydraulic oil cylinder is installed on the oil cylinder seat 16 through a first bolt 17, the oil cylinder seat 16 is fixed on the upper plane of the oil cylinder seat base 19 through a second bolt 18, the lower plane of the oil cylinder seat is welded on the tool base 2, and the tool base 2 is fixed with the ground through the embedded foundation bolts 1.
The power for the inventive device is provided by a flange cylinder 6 and a double lug cylinder 30. When the large section, the middle section and the groove section of the rim are sequentially placed on the cushion block 15 in sequence, the three double-lug hydraulic cylinders 30 are synchronously driven, so that the upper outer die and the lower outer die move towards the outer surface of the rim at the same time, when the three sections of the rim are wrapped, the main supporting claws and the auxiliary supporting claws which are uniformly distributed in the circumferential direction are synchronously driven, so that the main supporting claws and the auxiliary supporting claws move towards the inner surface of the rim, and when the main supporting claws and the auxiliary supporting claws completely act on the inner surface of the rim, the roundness of the middle section of the rim and the coaxiality of the three sections of the rim can be improved under the comprehensive action of the inner support of the main supporting claws and the auxiliary supporting claws;
the method comprises the following operation steps:
1. placing a rim on three cushion blocks 15 uniformly distributed on the circumference;
2. synchronously driving the three double-lug hydraulic cylinders 30 to enable the upper template 10 and the lower template 11 to simultaneously move inwards so as to wrap the wheel rim;
3. continuously and synchronously driving the main supporting claws 8 which are uniformly distributed in the circumferential direction, so that the main supporting claws 8 extend outwards and act on the inner surface of the rim, and the roundness of the section B of the rim and the coaxiality of the three sections of the rim are improved;
4. and (3) welding the rim by spot welding reserved welding windows 12 on the outer die.
5. After the tailor welding is finished, piston rods of the flange type hydraulic cylinder 6 and the double-lug type hydraulic cylinder 30 are respectively retracted, and finally the workpiece is lifted away.
The invention has the following advantages:
1. base: the original high and large base is replaced, the convex whole plate is used as the base of the whole device, and the base is fixed on the ground through the foundation bolts embedded underground. The installation space and the use of raw materials are saved, the installation height of the novel rim roundness correction device is greatly reduced, and the personal safety of personnel when the tool is used is guaranteed.
2. Main support claw, auxiliary stay claw: when the height of the rim is increased, the upper ring gap of the rim is increased, and the length of the supporting claw is also increased. The supporting claw of the invention consists of a main supporting claw and an auxiliary supporting claw. When the height of the middle section is increased, the auxiliary supporting claw is drawn out to the corresponding height and then fixed by the pin.
3. Outer mold: when the height of the rim is increased, the upper ring seam of the rim is increased, the length of the supporting claw is also increased, and the height of the reserved welding window hole of the outer die is also increased. The outer die is designed into an upper die plate and a lower die plate. When the middle section of the wheel rim is increased, the upper template is upwards released to a corresponding height and then fixed by pins.
4. An outer mold driving part: compared with the moving mode of a square sliding block, the moving mode of the invention adopts the moving mode of the roller sliding block, and the friction force is small, and the processing is convenient.
Claims (10)
1. The utility model provides a frock is rectified to rim middle section circularity which characterized in that: the tool comprises a tool base, wherein a main upright post is arranged at the central position above the tool base, a plurality of flange type hydraulic cylinders are uniformly distributed and fixedly connected to the outer side surface of the main upright post along the circumferential direction, the bottom end of each flange type hydraulic cylinder is fixedly connected to the outer side surface of the main upright post, a telescopic rod extends outwards along the radial direction of the section of the main upright post, the plurality of flange type hydraulic cylinders are radially distributed around the central point of the main upright post, and the plurality of flange type hydraulic cylinders are connected with a synchronous control center;
the outer end of a telescopic rod of each flange type hydraulic cylinder is connected with a supporting claw joint through thread fit, the outer side of the supporting claw joint is connected with a main supporting claw through a bolt, each main supporting claw is arranged along the vertical direction, the outer side surfaces of a plurality of main supporting claws form an arc-shaped supporting surface capable of extruding and correcting the inner circumferential surface of a rim from inside to outside, the back of each main supporting claw is connected onto the supporting claw joint through the bolt, the outer side surface of each main supporting claw is provided with a U-shaped groove, an auxiliary supporting claw is arranged in the U-shaped groove in a fit mode, a plurality of bolt holes are formed in the corresponding positions of the main supporting claw and the auxiliary supporting claw, a pin is arranged in each through hole, the auxiliary supporting claw pin is connected into the U-shaped groove of;
an outer die is arranged on a concentric circle position with the radius larger than the farthest distance of the outer side surface of the main supporting claw, the outer die is formed by combining three arc-shaped outer templates which are uniformly arranged along the circumferential direction, and the outer side surface of each outer template is connected with a driving mechanism which can push the outer templates to extrude and correct the outer circumferential surface of the rim inwards along the radial direction; each outer template is provided with a plurality of reserved spot welding window holes;
every exterior sheathing is including cope match-plate pattern, lower bolster, and the position symmetry that lower bolster lateral surface upper portion is close to both ends is provided with down the installation boss, and lower installation boss is provided with the pinhole from top surface downwardly extending, and lower bolster lateral surface lower part and lower installation boss relevant position are provided with the installation boss, go up the installation boss and be provided with from bottom surface downwardly extending and can stretch into the uide pin in the installation boss pinhole down.
2. The tool for correcting the roundness of the middle section of the rim according to claim 1, characterized in that: the tooling base is of a transverse T-shaped structure, the center of the main upright post is positioned at the geometric center of the T-shaped tooling base, the central line of the driving mechanism of one outer module is distributed at the transverse position along the transverse central line of the transverse T-shaped tooling base, and the driving mechanisms of the other two outer modules are symmetrically arranged at the longitudinal position of the transverse T-shaped tooling base.
3. The tool for correcting the roundness of the middle section of the rim according to claim 1, characterized in that: the driving mechanism of each outer template comprises a slide rail seat fixedly connected to the upper surface of the tool base and a slide block capable of horizontally sliding along the slide rail seat; vertical fixing plates are arranged at two ends of the slide rail seat, two guide shafts are arranged between the upper ends of the vertical fixing plates at the two ends and are parallel to each other in the horizontal direction, two inverted V-shaped rails are fixedly connected to a bottom plate of the slide rail seat between the vertical fixing plates at the two ends, each inverted V-shaped rail is parallel to the corresponding guide shaft in the vertical direction, and the slide block is sleeved on the two guide shafts; two sides of the bottom of the sliding block are respectively connected with a V-shaped groove roller, and each side of the V-shaped groove roller is respectively matched and installed with a corresponding inverted V-shaped track; the top surface of the sliding block is fixedly connected with an L-shaped outer mold support, the bottom end of the vertical part of the outer mold support is provided with a horizontal connecting plate, and the horizontal connecting plate is fixedly connected to the top surface of the sliding block through a fourth bolt; the position that lies in the slide rail seat outside on the frock base is provided with hydro-cylinder seat base, hydro-cylinder seat base top fixed mounting has hydraulic cylinder, outer form lateral surface upper end middle part fixedly connected with earrings seat, the fixed a pair of otic placode that is provided with of earrings seat upper segment, hydraulic cylinder's telescopic link front end stretches into to between a pair of otic placode along the horizontal direction to through fifth bolt fixed connection, outer mold support horizontal part is provided with vertical connecting plate, vertical connecting plate passes through second screw fixed connection at earrings seat hypomere.
4. The frock is rectified to rim middle section circularity of claim 3, characterized in that: the hydraulic oil cylinder is a double-lug type hydraulic oil cylinder, the top end of the base of the oil cylinder base is fixedly connected with the oil cylinder base through a second bolt, and the rear end of the hydraulic oil cylinder is fixedly connected onto the oil cylinder base through a first bolt.
5. The tool for correcting the roundness of the middle section of the rim according to claim 1, characterized in that: the part of the upper surface of the tooling base, which is positioned in the space between each outer template and the adjacent outer template, is fixedly provided with a cushion block, and the distance between each outer template and the adjacent outer template is greater than the thickness of the cushion block.
6. The tool for correcting the roundness of the middle section of the rim according to claim 1, characterized in that: and a plurality of reserved spot welding window holes are uniformly distributed in the positions, close to the upper edge, of the upper template and the lower edge, of the lower template of each outer template respectively along the circumferential direction.
7. The frock is rectified to rim middle section circularity of claim 3, characterized in that: the inverted V-shaped track is fixedly connected to the bottom plate of the slide rail seat through welding.
8. The tool for correcting the roundness of the middle section of the rim according to claim 1, characterized in that: the upright post is of a polygon prism structure, the bottom of each outer side face of the polygon prism is respectively and fixedly connected with a flange type hydraulic cylinder through a mounting flange, the mounting flange is a square with the side length consistent with the width of the outer side face of the polygon prism, and the mounting flange is fixedly connected to the outer side face of the polygon prism through a first screw.
9. The tool for correcting the roundness of the middle section of the rim according to claim 8, wherein: the upright column is a regular octagonal prism, and eight flange type hydraulic cylinders are connected to the outer side surface of the regular octagonal prism.
10. The tool for correcting the roundness of the middle section of the rim according to claim 1, characterized in that: the tool base is characterized in that a plurality of vertical downward extending embedded anchor screws are connected below the tool base, and adjusting nuts capable of adjusting the height of the tool base are arranged on the anchor screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920452518.7U CN209986033U (en) | 2019-04-04 | 2019-04-04 | Frock is rectified to rim middle section circularity |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909328A (en) * | 2019-04-04 | 2019-06-21 | 镇江科美机械制造有限公司 | A kind of wheel rim middle section circularity correcting tool |
| CN113102561A (en) * | 2021-03-03 | 2021-07-13 | 山西汾西重工有限责任公司 | Shape correcting device |
| CN113523713A (en) * | 2021-05-28 | 2021-10-22 | 常州旷达威德机械有限公司 | Method for processing eccentric cone |
-
2019
- 2019-04-04 CN CN201920452518.7U patent/CN209986033U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909328A (en) * | 2019-04-04 | 2019-06-21 | 镇江科美机械制造有限公司 | A kind of wheel rim middle section circularity correcting tool |
| CN113102561A (en) * | 2021-03-03 | 2021-07-13 | 山西汾西重工有限责任公司 | Shape correcting device |
| CN113523713A (en) * | 2021-05-28 | 2021-10-22 | 常州旷达威德机械有限公司 | Method for processing eccentric cone |
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