阅读说明：本技术 一种可撑开式轮辋定位组立模 (expanding type rim positioning group vertical die ) 是由 马峰 于 2019-11-14 设计创作，主要内容包括：本发明公开了一种可撑开式轮辋定位组立模,包括模座、模板、花盘、锥盘和撑开组件,模座固定在设备工作台上,模座内部具有容置腔,模板固设在模座顶部,花盘固设在模板顶部。撑开组件包括设在容置腔内的顶板、用于驱动顶板上下运动的顶出机构、沿顶板上表面周向布设的若干个楔块以及安装在花盘顶部并可沿径向滑动的若干滑块,锥盘固设在滑块上方,锥盘的外周面设有用于对轮辋进行初定位的第一斜面。滑块的外侧设有与轮辋轮缘形状相匹配的弧面,楔块的上部设有用于与滑块干涉配合并驱动滑块向外撑开顶紧轮辋的第二斜面。本发明在无需更换锥盘的情况下,可以适配不同内径轮辋的定位,定位精度高,效率高,压配品质佳。(The invention discloses an openable rim positioning group vertical die, which comprises a die holder, a die plate, a disc chuck, a conical disc and an opening assembly, wherein the die holder is fixed on an equipment workbench, the die holder is internally provided with an accommodating cavity, the die plate is fixedly arranged at the top of the die holder, the disc chuck is fixedly arranged at the top of the die plate, the opening assembly comprises a top plate arranged in the accommodating cavity, an ejection mechanism used for driving the top plate to move up and down, a plurality of wedge blocks circumferentially distributed along the upper surface of the top plate and a plurality of sliding blocks arranged at the top of the disc chuck and capable of sliding along the radial direction, the conical disc is fixedly arranged above the sliding blocks, the peripheral surface of the conical disc is provided with inclined planes used for initially positioning a rim, the outer side of each sliding block is provided with an arc surface matched with the rim shape of the rim, and the upper parts of the wedge blocks are provided with second inclined planes used for interference fit with the sliding blocks and driving the sliding blocks to outwardly open and tightly push the rim.)

The expandable rim positioning set vertical die is characterized by comprising a die holder, a die plate, a disc chuck, a conical disc and an expansion assembly, wherein the die holder is fixed on an equipment workbench, a containing cavity is formed in the die holder, the die plate is fixedly arranged at the top of the die holder, the disc chuck is fixedly arranged at the top of the die plate, the expansion assembly comprises a top plate arranged in the containing cavity, an ejection mechanism used for driving the top plate to move up and down, a plurality of wedge blocks circumferentially arranged along the upper surface of the top plate and a plurality of sliding blocks arranged at the top of the disc chuck and capable of sliding along the radial direction, the conical disc is fixedly arranged above the sliding blocks, a inclined plane used for initially positioning a rim is arranged on the peripheral surface of the conical disc, an arc surface matched with the rim shape is arranged on the outer side of each sliding block, the wedge blocks sequentially penetrate through the die plate and the disc chuck from bottom to top, a second inclined plane used for being in interference fit with the sliding blocks and driving the sliding blocks to outwardly expand and tightly push the rim is arranged at.

2. The stand die set for the expandable rim positioning device of claim 1, wherein the slider has a third inclined surface on its inner side for interference fit with the second inclined surface.

3. The stand moulds for the location of expandable rims as claimed in claim 1, wherein the slide block return assembly comprises a stopper and a return spring, the slide block is provided with a mounting hole completely penetrating the slide block, the stopper is arranged in the mounting hole, the bottom of the stopper is fixed on the faceplate, and two ends of the return spring are respectively connected with the stopper and the slide block.

4. The burst-able rim positioning and assembling die set forth in claim 1, wherein said wedges are fixed to said top plate by wedge fixing plates, the top surfaces of said wedge fixing plates being spaced from the bottom surfaces of said die plates.

5. The expanding rim positioning group stand die of claim 1, further comprising a top plate reset assembly, wherein the top plate reset assembly comprises a screw and a second reset spring, the bottom of the template is provided with a screw hole, the top plate is provided with a through hole for the screw to pass through at a position corresponding to the screw hole, the screw passes through the top plate from bottom to top and the tail end of the screw is fixed in the screw hole, and the second reset spring is sleeved outside the screw and positioned between the template and the top plate.

6. The burst-type rim positioning and assembling mold as claimed in claim 1, further comprising a spoke positioning assembly, wherein the spoke positioning assembly comprises a guide post, a washer, a third return spring, a guide sleeve, a support plate and a spoke center hole positioning disk, the center of the bottom of the guide post is provided with a spring receiving groove, the third return spring is arranged in the spring receiving groove, the bottom of the third return spring contacts with the upper surface of the mold plate, a space is provided between the bottom of the guide post and the upper surface of the mold plate, the washer and the guide sleeve are respectively sleeved on the outer side of the guide post, the bottom of the washer is fixed on the mold plate, the guide sleeve is fixedly arranged on the top of the washer, the wedges are uniformly arranged around the outer wall of the washer, the support plate is fixed on the top of the guide post, a space is provided between the bottom of the support plate and the upper surface of the guide sleeve, the spoke center hole positioning disk is fixed on the top of the support plate, and the spoke center hole positioning disk is concentric with the cone disk.

7. The stand mould for the expandable rim positioning device as claimed in claim 6, wherein the guide post comprises a main guide post and an auxiliary guide post, the auxiliary guide post is fixed to the bottom of the main guide post, and the guide sleeve comprises a main guide sleeve, a auxiliary guide sleeve and a second auxiliary guide sleeve arranged in sequence from bottom to top.

8. The stand dies for the location of rim with openable and closable mechanism as claimed in claim 7, wherein key slots are vertically made on the side of the guide post, keys are horizontally installed in the main guide sleeve and fit to the key slots and can slide in the key slots.

9. The type expandable rim positioning and assembling die of claim 6, wherein the ejector mechanism comprises an ejector rod and a stud, the ejector rod penetrates through the equipment workbench from bottom to top and extends into the accommodating cavity, the stud is arranged at the top of the ejector rod, and the top plate is fixed on the stud.

10. The type expandable rim positioning and assembling vertical mold as claimed in claim 9, wherein the outer wall surface of the stud has external threads, the center of the top plate has internal threaded holes matching the external threads, the top plate is mounted on the stud by threaded connection, mold adjusting rods for adjusting the stud up and down are vertically and fixedly disposed at the center of the stud, the mold adjusting rods extend upward into the spring receiving grooves, the top of the mold adjusting rods has hexagon heads, mold adjusting wrenches are detachably mounted on the mold adjusting rods, the bottom of the mold adjusting wrenches has internal hexagon heads matching the hexagon heads, the mold adjusting wrenches extend upward and penetrate through the spoke center hole positioning plate, and the top of the mold adjusting wrenches is fixedly connected with a rotating handle.

Technical Field

The invention relates to the technical field of wheel assembly tool manufacturing, in particular to openable rim positioning group vertical dies.

Background

The wheel is a rotating assembly which bears load between a tire and an axle and mainly comprises a rim, a spoke and a hub, wherein the rim is a part fixedly arranged in the wheel, the spoke is a supporting part between the axle and the rim, the hub is a rotating assembly which is connected with the wheel and the axle and is responsible for bearing load between the tire and the axle, and the spoke is pressed into the rim by a wheel press-fit mold arranged on a press workbench during assembly.

As shown in figure 1, the currently used wheel press-fit mold is generally of a forward-installation structure, namely, a rim 100 is installed on a lower die seat, a spoke 200 is pressed into the rim 100 from top to bottom to complete the press-fit of the wheel, the positioning of the rim 100 is realized by adopting a conical disc with an inclined outer peripheral surface, and the inclined surface of the inner wall surface of the rim 100, which is close to a wheel rim, is closely matched with the inclined surface of the conical disc to realize the positioning.

Disclosure of Invention

In view of the above problems, the present invention aims to provide types of expandable rim positioning set vertical dies capable of adapting to rims with different inner diameters, which solves the technical problem that the existing conical disc positioning proposed in the background art cannot adapt to rims with different inner diameters.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

A supporting type rim positioning group vertical die comprises a die holder, a die plate, a face plate, a conical plate and a supporting component, wherein the die holder is fixed on an equipment workbench, an accommodating cavity is formed in the die holder, the die plate is fixedly arranged at the top of the die holder, the face plate is fixedly arranged at the top of the die plate, the supporting component comprises a top plate arranged in the accommodating cavity, an ejection mechanism used for driving the top plate to move up and down, a plurality of wedge blocks circumferentially arranged along the upper surface of the top plate and a plurality of sliding blocks arranged at the top of the face plate and capable of sliding along the radial direction, the conical plate is fixedly arranged above the sliding blocks, the peripheral surface of the conical plate is provided with a inclined surface used for initially positioning a rim, the outer side of each sliding block is provided with an arc surface matched with the rim shape of the rim, the wedge blocks sequentially penetrate through the die plate and the face plate from bottom to top, the upper parts of the wedge blocks are provided with second inclined surfaces used for being in interference fit with the sliding blocks.

Preferably, in order to achieve a better interference fit, the inner side of the slider is provided with a third inclined surface for interference fit with the second inclined surface.

, in order to realize the automatic reset of the slide block and freely take out the press-fitted hub, the slide block reset assembly comprises a stop block and a reset spring, the slide block is provided with a mounting hole which completely penetrates through the slide block, the stop block is arranged in the mounting hole, the bottom of the stop block is fixed on the faceplate, and two ends of the reset spring are respectively connected with the stop block and the slide block.

, for convenient installation, the wedge is fixed to the top plate by a wedge fixing plate having a top surface spaced from a bottom surface of the form.

, in order to enable the top plate to be timely reset, the die plate further comprises a top plate resetting component, wherein the top plate resetting component comprises a screw and a second resetting spring, a screw hole is formed in the bottom of the die plate, a through hole for the screw to pass through is formed in the position, corresponding to the screw hole, of the top plate, the screw passes through the top plate from bottom to top, the tail end of the screw is fixed in the screw hole, and the second resetting spring is sleeved on the outer side of the screw and located between the die plate and the top plate.

, the spoke positioning device further comprises a spoke positioning assembly, wherein the spoke positioning assembly comprises a guide pillar, a gasket, a third return spring, a guide sleeve, a support plate and a spoke middle hole positioning disc, a spring accommodating groove is formed in the center of the bottom of the guide pillar, the third return spring is arranged in the spring accommodating groove, the bottom of the third return spring is in contact with the upper surface of the template, a space is formed between the bottom of the guide pillar and the upper surface of the template, the gasket and the guide sleeve are respectively sleeved on the outer side of the guide pillar, the bottom of the gasket is fixed on the template, the guide sleeve is fixedly arranged at the top of the gasket, a plurality of wedge blocks are uniformly distributed around the outer wall of the gasket, the support plate is fixed at the top of the guide pillar, a space is formed between the bottom of the support plate and the upper surface of the guide sleeve, the spoke middle hole positioning disc is fixed at the top of the support plate, and the spoke middle hole.

The guide post comprises a main guide post and an auxiliary guide post, the auxiliary guide post is fixed at the bottom of the main guide post, and the guide sleeve comprises a main guide sleeve, an th auxiliary guide sleeve and a second auxiliary guide sleeve which are sequentially arranged from bottom to top.

, key slots are vertically arranged on the side of the guide post, keys which are matched with the key slots in shape and can slide in the key slots are horizontally arranged in the main guide sleeve.

, the ejection mechanism comprises an ejection rod and a stud, the ejection rod penetrates through the equipment workbench from bottom to top and extends into the accommodating cavity, the stud is arranged at the top of the ejection rod, and the top plate is fixed on the stud.

steps are carried out, external threads are arranged on the outer wall surface of the stud, an internal thread hole matched with the external threads is formed in the center of the top plate, the top plate is installed on the stud through threaded connection, die adjusting rods used for adjusting the stud up and down are vertically and fixedly arranged at the center of the stud, the die adjusting rods upwards extend into the spring accommodating grooves, hexagon heads are arranged at the top of the die adjusting rods, inner hexagon heads matched with the hexagon heads are arranged at the bottom of the die adjusting wrench, die adjusting wrenches are detachably installed on the die adjusting rods, inner hexagon heads matched with the hexagon heads are arranged at the bottom of the die adjusting wrenches, the die adjusting wrenches upwards extend and penetrate through the spoke middle hole positioning disc, a rotating handle is fixedly connected to the top of the die adjusting wrenches, up and down adjustment of the stud can be achieved through rotation of the die adjusting rods, and then the stroke of the wedge block and the distance of the sliding block are adjusted, so that steps are carried out to adapt to the rim press-fit with different inner diameters.

The invention has the advantages that expanding type rim positioning group vertical dies are provided, the expanding assembly is arranged under the condition that a conical disc does not need to be replaced, the group vertical dies can be matched with rims with different inner diameters for positioning, time and labor are saved, the production time is saved, the production efficiency is improved, the reliability of final positioning is high through the sliding block, the precision is high, the end diameter jump is smaller, and the quality of a pressed wheel hub is good.

Drawings

Fig. 1 is a schematic structural view of a conventional rim positioning set-up mold.

Fig. 2 is a schematic structural view of the present invention at initial positioning of the conical plate.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic structural diagram of the invention when the slide block is finally positioned.

Fig. 5 is a partially enlarged view of a portion B in fig. 4.

FIG. 6 is a schematic top view of the faceplate.

Fig. 7 is a schematic sectional structure view of the conical plate.

Fig. 8 is a schematic structural view of a wedge.

Fig. 9 is a schematic structural view of a slider.

Fig. 10 is a schematic structural view of the main guide post.

Fig. 11 is a schematic structural view of the main guide sleeve.

Fig. 12 is a schematic structural view of the mold adjusting rod.

Fig. 13 is a schematic structural view of the adjustable die wrench.

The main component symbols of the technical scheme are 100, a wheel rim, 200, a spoke, 1, a die holder, 10, an accommodating cavity, 2, a template, 3, a faceplate, 4, a conical disc, 40, th inclined planes, 51, a top plate, 52, a wedge block, 520, second inclined planes, 521, a wedge block fixing plate, 53, a sliding block, 530, an installation hole, 531, an arc surface, 532, a third inclined plane, 533, a stop block, 534, return spring, 541, an ejector rod, 542, a stud, 61, a screw, 62, a second return spring, 701, a key slot, 702, a key, 71, a guide column, 710, a spring accommodating groove, 711, a guide column, 712, an auxiliary guide column, 72, a washer, 73, a third return spring, 74, a guide sleeve, 741, a main guide sleeve, 742, th auxiliary guide sleeve, 743, a second auxiliary guide sleeve, 75, a support plate, 76, a spoke center hole positioning disc, 8, a mode adjusting rod, 80, a hexagon head, 9, a mode adjusting wrench, 90, an inner adjusting head, a rotating handle.

Detailed Description

The invention will now be described in further detail with reference to the drawings and detailed description.

As shown in fig. 2-13, types of expandable rim positioning group vertical dies comprise a die holder 1, a die plate 2, a disc chuck 3, a conical disc 4, an expansion assembly, a top plate resetting assembly, a spoke positioning assembly, a die adjusting rod 8 and a die adjusting wrench 9.

The die holder 1 is fixed on an equipment workbench, an accommodating cavity 10 is arranged in the die holder 1, the die plate 2 is fixedly arranged at the top of the die holder 1, the flower disc 3 is fixedly arranged at the top of the die plate 2, the expanding assembly comprises a top plate 51 arranged in the accommodating cavity 10, an ejecting mechanism used for driving the top plate 51 to move up and down, a plurality of wedge blocks 52 arranged along the circumferential direction of the upper surface of the top plate 51 and a plurality of slide blocks 53 arranged at the top of the flower disc 3 and capable of sliding along the radial direction, the conical disc 4 is fixedly arranged above the slide blocks 53, the conical disc 4 is fixedly connected with the flower disc 3 through bolts, the peripheral surface of the conical disc 4 is provided with -th inclined planes 40 used for primarily positioning the rim, the outer side of the slide blocks 53 is provided with arc surfaces 531 matched with the rim shape of the rim 100, the wedge blocks 52 sequentially penetrate through the die plate 2 and the flower disc 3 from bottom to top, the upper parts of the wedge blocks 52 are provided with second inclined planes 520 used for being in interference fit with the slide blocks 53 and driving the slide blocks 53 to expand outwards to tightly press the rim 100, the inner sides of the slide blocks 53 are provided with third.

The slider reset assembly is installed at the top of the faceplate 3 and comprises a stop 533 and an -th reset spring 534, a mounting hole 530 which completely penetrates through the slider is formed in the slider 53, the stop 533 is arranged in the mounting hole 530, the bottom of the stop 533 is fixed on the faceplate 3, and two ends of the -th reset spring 534 are respectively connected with the stop 533 and the slider 53.

The top plate return assembly includes a screw 61 and a second return spring 62. The bottom of the template 2 is provided with a screw hole, the top plate 51 is provided with a through hole for a screw to pass through at a position corresponding to the screw hole, the screw 61 passes through the top plate 51 from bottom to top and the tail end is fixed in the screw hole, and the second return spring 62 is sleeved on the outer side of the screw 61 and is positioned between the template 2 and the top plate 51.

The spoke positioning assembly comprises a guide post 71, a washer 72, a third return spring 73, a guide sleeve 74, a support plate 75 and a spoke center hole positioning disc 76. The spring receiving groove 710 is formed in the center of the bottom of the guide post 71, the third return spring 73 is arranged in the spring receiving groove 710, the bottom of the third return spring 73 is in contact with the upper surface of the die plate 2, and a movable distance of 35-45mm is formed between the bottom of the guide post 71 and the upper surface of the die plate 2. The gasket 72 and the guide sleeve 74 are respectively sleeved on the outer sides of the guide pillars 71, the bottom of the gasket 72 is fixed on the template 2, the guide sleeve 74 is fixedly arranged at the top of the gasket 72, and the plurality of wedges 52 are uniformly distributed around the outer wall of the gasket 72. The supporting plate 75 is fixed on the top of the guide post 71, the distance between the bottom of the supporting plate 75 and the upper surface of the guide sleeve 74 is 20-30mm, the spoke middle hole positioning disc 76 is fixed on the top of the supporting plate 75, and the spoke middle hole positioning disc 76 is concentric with the conical disc 4.

The guide column 71 comprises a main guide column 711 and an auxiliary guide column 712, the auxiliary guide column 712 is fixed at the bottom of the main guide column 711, the guide sleeve 74 comprises a main guide sleeve 741, an -th auxiliary guide sleeve 742 and a second auxiliary guide sleeve 743 which are sequentially arranged from bottom to top, a key slot 701 is vertically arranged on the side of the guide column 71, and keys 702 which are matched with the shape of the key slot 701 and can slide in the key slot 701 are horizontally arranged in the main guide sleeve 741.

The ejection mechanism comprises an ejection rod 541 and a stud 542, the ejection rod 541 penetrates through the equipment workbench from bottom to top and extends into the accommodating cavity 10, the stud 542 is arranged at the top of a cylinder head of the ejection rod 541, a top plate 51 is fixed on the stud 542, an external thread is arranged on the outer wall surface of the stud 542, an internal thread hole matched with the external thread is formed in the center of the top plate 51, the top plate 51 is installed on the stud 542 through threaded connection, a mold adjusting rod 8 is vertically and fixedly arranged at the center of the stud 542, the mold adjusting rod 8 extends upwards into the spring accommodating groove 710, hexagon heads 80 are arranged at the top of the mold adjusting rod 8, an internal hexagon head 90 matched with the hexagon head 80 is arranged at the bottom of the mold adjusting wrench 9, the mold adjusting wrench 9 sequentially penetrates through the spoke central hole positioning disc 76, the supporting plate 75 and the guide pillar 71 from top to bottom and is sleeved with the hexagon head 80, the mold adjusting wrench 9 is detachable when not needed, and a rotating handle 91.

The working principle of the invention is that according to the inner diameter size of a rim 100, a mold adjusting wrench 9 is extended into a spring accommodating groove 710, so that an inner hexagon head 90 of the mold adjusting wrench 9 is clamped on a hexagon head 80 of a mold adjusting rod 8, a handle 91 is rotated to realize the up-and-down adjustment of a stud 542, and further adjust the stroke of a wedge block 52, after the adjustment is finished, the mold adjusting wrench 9 is taken out, the rim with press fit is put into a group standing mold, the initial positioning is realized through an -th inclined surface 40 of a conical disc 4, an ejector rod 541 acts to drive the stud 542 and a top plate 51 to act upwards, a plurality of wedge blocks 52 arranged at the top of the top plate 51 act upwards simultaneously, and a second inclined surface 520 at the top of the wedge block 52 and a third inclined surface 532 of a slide block 53 generate interference fit, so that the slide block 53 is expanded along the radial direction and.

After positioning is completed, the spoke 200 is positioned and installed on the spoke central hole positioning disc 76 through the central hole, an upper die (not shown in the figure) acts to press the spoke 200 downwards until the spoke 200 is pressed into the rim 100 in an interference manner, after press-fitting is completed, the upper die and the ejector rod 541 are respectively reset, the top plate 51 and the plurality of wedges 52 installed on the top plate are reset downwards under the action of the second reset spring 62, the slide block 53 is reset inwards under the action of the reset spring 534, and finally, the whole hub after press-fitting is taken out.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.