CN217371371U - Symmetrical zero positioning support frame for processing products with symmetrical two ends - Google Patents
Symmetrical zero positioning support frame for processing products with symmetrical two ends Download PDFInfo
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- CN217371371U CN217371371U CN202220836199.1U CN202220836199U CN217371371U CN 217371371 U CN217371371 U CN 217371371U CN 202220836199 U CN202220836199 U CN 202220836199U CN 217371371 U CN217371371 U CN 217371371U
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Abstract
The utility model relates to the technical field of machining equipment, in particular to a symmetrical zero positioning support frame for processing symmetrical products at two ends, which comprises a symmetrical zero judgment device, a positioning correction device and a transmission device; the symmetrical zero point judgment device comprises symmetrical zero point mark convex ridges and a follow-up groove roller, the symmetrical zero point mark convex ridges are fixedly arranged on a product to be processed, the symmetrical zero point mark convex ridges are provided with protruding annular ridges, the follow-up groove roller is a rotating roller provided with annular grooves, when the product to be processed is placed in place, the annular grooves are embedded with the annular ridges, and the follow-up groove roller is axially positioned relative to the product to be processed; the utility model discloses a deformation structure of no tooth nut theory of operation, when having realized processing both ends symmetry product, the work piece initiative action aligns the function that the processing equipment predetermines the symmetry point to have very high alignment operating efficiency and alignment precision, reduced relevant work load by a wide margin.
Description
The technical field is as follows:
the utility model relates to a machining equipment technical field, in particular to symmetry zero point positioning support frame for processing of both ends symmetry product.
Background art:
in machining work such as turning, the machining operation of products with symmetrical two ends is often involved, when a transmission machining positioning mode is used, a single-side tool setting positioning mode is usually adopted, machining equipment adapts to the actual position of a workpiece, and products with large machining length can generate large accumulated errors to influence machining precision. Under the condition that machining equipment needs to be replaced, the tool setting needs to be carried out again and the positioning needs to be adjusted greatly when a workpiece is moved every time, when a machining area of the machining equipment is limited, accurate hoisting and loading operation is needed, the hoisting equipment is occupied for a long time, the workload is increased, and the production efficiency is reduced.
The invention content is as follows:
in view of this, it is necessary to design a symmetrical zero positioning support frame for processing products with symmetrical two ends, so that the products with symmetrical two ends can be hoisted with lower precision, and the precise feeding positioning of the workpiece adapting device is realized through the relative action of the symmetrical zero positioning support frame.
The symmetrical zero positioning support frame for processing the symmetrical products at two ends comprises a symmetrical zero judgment device, a positioning correction device and a transmission device;
the symmetrical zero point judgment device comprises a symmetrical zero point mark convex ridge and a follow-up groove roller, the symmetrical zero point mark convex ridge is fixedly arranged on a product to be processed, the symmetrical zero point mark convex ridge is provided with a protruding annular ridge, the follow-up groove roller is a rotating roller provided with an annular groove, when the product to be processed is placed in place, the annular groove is embedded with the annular ridge, and the follow-up groove roller is axially positioned relative to the product to be processed;
the positioning correction device consists of a supporting wheel, a supporting wheel seat, a wheel seat rotating shaft and a rotating shaft base, wherein the supporting wheel is arranged in the supporting wheel seat, the working surface of the supporting wheel is in contact with the lower surface of the product to be machined and supports the gravity of the product to be machined, the supporting wheel seat is rotatably connected with the rotating shaft base through the wheel seat rotating shaft, and the wheel seat rotating shaft points to the axis of the product to be machined;
the transmission device comprises a groove roll shaft, a groove roll shaft sliding groove, a hinge rod and a wheel seat rotation driving rod, wherein the groove roll shaft is parallel to the axis of a product to be machined, the starting end of the groove roll shaft is used as a rotating shaft of the follow-up groove roll and is axially positioned with the follow-up groove roll, the groove roll shaft is sleeved in the groove roll shaft sliding groove, and the groove roll shaft sliding groove is arranged on the side surface of the rotating shaft base and is used for limiting the groove roll shaft to only move along the axial direction of the groove roll shaft; the wheel seat rotation driving rod is arranged on the side surface of the wheel seat rotating shaft or the supporting wheel seat and is fixed relative to the supporting wheel seat, and two ends of the hinge rod are respectively hinged with the tail end of the grooved roller shaft and the outer end of the wheel seat rotation driving rod.
In the design, the related devices are all arranged in the middle section of the product to be processed, after the product to be processed is measured for one time in advance, the symmetrical zero mark convex ridges are installed, the annular ridges are aligned with the symmetrical zero and are vertical to the axis of the product, after the lifting operation, the annular ridges are embedded into the annular grooves, the product to be processed is driven to rotate at a low speed in an external driving mode, the follow-up grooved rollers and the supporting wheels follow up under the driving of the rotation of the workpiece, when the annular ridges deviate from the preset symmetrical point of the processing equipment, the annular grooves are extruded and drive the follow-up grooved rollers to move along the axis of the processing equipment, the supporting wheel seats are driven to rotate through the transmission of the hinged rods, the supporting wheels are made to turn to the vertical surface deviating from the axis of the workpiece, further, the friction force component along the axis of the workpiece is generated in the follow-up process, the workpiece is driven to move along the axis by the friction force component, and the symmetrical zero point of the supporting wheels approaches the preset symmetrical point of the processing equipment, the positioning function is realized. In the process, the rotation angle of the supporting wheel is positively correlated with the axial force of the workpiece, and the rotation angle of the supporting wheel is positively correlated with the distance from the workpiece to the preset symmetrical point of the processing equipment, so that positive feedback control is formed for the workpiece to return to the preset symmetrical point, namely the farther the deviation distance is, the larger the return driving force is, the synchronous reduction of the return driving force in the process of reducing the deviation distance is realized, and finally the preset symmetrical point of the processing equipment is reached by means of the inertia of the workpiece. Due to the working principle, the design has high positioning and aligning operation efficiency and positioning and aligning precision.
In the machining process, if machining equipment needs to be replaced, the workpiece can be aligned to the preset symmetrical point of the machining equipment only by driving the workpiece to rotate for a short time after the workpiece is hoisted, the step of re-measurement is not needed, and the related workload is greatly reduced.
Preferably, the annular groove is a slope V-shaped groove, and correspondingly, the outer edge of the annular ridge is provided with a chamfer slope. The slope structure not only enlarges the embedding and falling range and relaxes the requirement of hoisting and feeding precision, but also has the effect of adapting to the roundness tolerance of the outer edge of the annular convex ridge, further improves the precision of positioning operation and reduces the vibration of workpieces.
Preferably, the positioning and correcting devices are multiple, the stress of a single supporting wheel is reduced, the failure rate of equipment is reduced, and the positioning and correcting devices are sequentially arranged along the axial direction of a product to be machined.
Further, of the plurality of positioning correction devices, the positioning correction device closest to the follower grooved roll is hinge-transmitted to the grooved roll shaft via the hinge lever as described above, and the other positioning correction devices are hinge-transmitted to the positioning correction device closest to the follower grooved roll via the hinge lever in a parallelogram hinge linkage manner and operate in synchronization.
Furthermore, because the problem of transmission error accumulation exists in multiple times of hinged transmission, the positioning precision is reduced, and therefore when the number of the positioning correction devices is four or more, the positioning correction devices are distributed on two sides of the follow-up grooved roll, and the structure of the positioning correction devices is mirror-symmetrical by taking the follow-up grooved roll as a boundary.
Preferably, the working face of the supporting wheel is provided with a rubber cushion layer, so that the supporting wheel and a workpiece to be machined are prevented from being abraded due to mutual friction, friction force between the supporting wheel and the workpiece to be machined is increased, and the positioning alignment operation efficiency is improved.
The utility model provides a symmetry zero point positioning support frame for processing of both ends symmetry product, through the deformation structure of no tooth nut theory of operation, when having realized processing both ends symmetry product, the work piece initiative action aligns the function that the processing equipment predetermines the symmetry point to have very high alignment operating efficiency and alignment precision, reduced relevant work load by a wide margin.
Description of the drawings:
FIG. 1 is a schematic structural diagram of a specific embodiment of a symmetrical zero point positioning support frame for processing symmetrical products at two ends; FIG. 2 is a schematic structural view of a symmetrical zero point positioning support for machining products with symmetrical ends in a bottom view;
FIG. 3 is a schematic view of a mounting structure of a servo grooved roll of a symmetrical zero positioning support frame for processing symmetrical products at two ends;
FIG. 4 is a schematic view of a mounting structure of a positioning and correcting device of a symmetrical zero positioning support frame for processing symmetrical products at two ends.
In the figure, a symmetrical zero mark ridge 1, an annular ridge 101, a follow-up grooved roller 2, an annular groove 201, a support wheel 301, a support wheel seat 302, a wheel seat rotating shaft 303, a rotating shaft base 304, a grooved roller shaft 401, a grooved roller shaft sliding groove 402, a hinge rod 403 and a wheel seat rotation driving rod 404.
The specific implementation mode is as follows:
a symmetrical zero point location support frame for processing of both ends symmetry product includes symmetry zero point decision device, location correcting unit and transmission.
The symmetrical zero point judgment device comprises a symmetrical zero point mark convex ridge 1 and a follow-up groove roller 2, the symmetrical zero point mark convex ridge 1 is fixedly installed on a product to be processed, the symmetrical zero point mark convex ridge 1 is provided with a protruding annular ridge 101, the follow-up groove roller 2 is a rotating roller provided with an annular groove 201, when the product to be processed is placed in place, the annular groove 201 is embedded with the annular ridge 101, and the follow-up groove roller 2 is axially positioned relative to the product to be processed.
The positioning correction device comprises a supporting wheel 301, a supporting wheel seat 302, a wheel seat rotating shaft 303 and a rotating shaft base 304, wherein the supporting wheel 301 is installed in the supporting wheel seat 302, the working surface of the supporting wheel 301 is in contact with the lower surface of the product to be machined and supports the gravity of the product to be machined, the supporting wheel seat 302 is rotatably connected with the rotating shaft base 304 through the wheel seat rotating shaft 303, and the wheel seat rotating shaft 303 points to the axis of the product to be machined.
The transmission device comprises a groove roller shaft 401, a groove roller shaft sliding groove 402, a hinge rod 403 and a wheel seat rotation driving rod 404, wherein the groove roller shaft 401 is parallel to the axis of a product to be machined, the starting end of the groove roller shaft is used as a rotating shaft of the follow-up groove roller 2 and is axially positioned with the follow-up groove roller 2, the groove roller shaft 401 is sleeved in the groove roller shaft sliding groove 402, and the groove roller shaft sliding groove 402 is arranged on the side surface of the rotating shaft base 304 and is used for limiting the groove roller shaft 401 to only move along the axial direction; the wheel seat rotation driving rod 404 is installed on the side of the wheel seat rotating shaft 303 or the supporting wheel seat 302 and fixed relative to the supporting wheel seat 302, and two ends of the hinge rod 403 are respectively hinged with the tail end of the grooved roller 401 and the outer end of the wheel seat rotation driving rod 404.
The annular groove 201 is a slope V-shaped groove, and correspondingly, the outer edge of the annular ridge 101 is provided with a chamfer slope. The slope surface structure not only expands the embedding and positioning range and relaxes the requirement of hoisting and feeding precision, but also has the effect of adapting to the roundness tolerance of the outer edge of the annular convex ridge, further improves the precision of positioning operation and reduces the vibration of workpieces.
The positioning and correcting devices are multiple, stress of the single supporting wheel 301 is reduced, the equipment failure rate is reduced, and the positioning and correcting devices are sequentially arranged along the axial direction of the product to be machined. Of the plurality of alignment correction devices, the alignment correction device closest to the follower grooved roll 2 is hinge-driven with the grooved roll shaft 401 via the hinge lever 403 as described above, and the other alignment correction devices are hinge-driven and synchronized with the alignment correction device closest to the follower grooved roll 2 via the hinge lever 403 in a parallelogram hinge linkage manner. Because the problem of transmission error accumulation exists in multiple times of hinged transmission, the positioning precision is reduced, and therefore when the number of the positioning correction devices is four or more, the positioning correction devices are distributed on two sides of the follow-up grooved roll 2, and the structure of the positioning correction devices is mirror symmetry with the follow-up grooved roll 2 as a boundary. In the embodiment, four positioning correction devices are adopted, and two structures are respectively arranged on two sides of the follow-up grooved roll 2.
The working face of the supporting wheel 301 is provided with a rubber cushion layer, so that the supporting wheel 301 and a workpiece to be machined are prevented from being abraded due to mutual friction, friction force between the supporting wheel 301 and the workpiece to be machined is increased, and the positioning alignment operation efficiency is improved.
In the design, related devices are arranged in the middle section of a product to be machined, after the product to be machined is measured for one time in advance, a symmetrical zero mark convex ridge 1 is installed, the annular ridge 101 is aligned with the symmetrical zero and is vertical to the axis of the product, after the lifting operation, the annular ridge 101 is embedded into the annular groove 201, the product to be machined is driven to rotate at a low speed in an external driving mode, the follow-up grooved roller 2 and the supporting wheel 301 are driven to follow up under the driving of the rotation of the workpiece, when the annular ridge 101 deviates from the preset symmetrical point of the machining equipment, the annular groove 201 is extruded and the follow-up grooved roller 2 is driven to move along the axis of the processing equipment, the supporting wheel seat 302 is driven to rotate through the hinged rod 403, the supporting wheel 301 is made to turn to the vertical surface deviating from the axis of the workpiece, further, a friction force component along the axis of the workpiece is generated in the follow-up process, the friction force component drives the workpiece to move along the axis, and the symmetrical zero point of the processing equipment approaches the preset symmetrical point of the machining equipment, and realizing the positioning function.
Taking the direction of fig. 2 as an example, the workpiece rotates clockwise, that is, the lower surface of the workpiece moves from right to left in the figure, when the workpiece deviates from the preset symmetrical point and the annular ridge 101 is located above the position shown in the figure, the follower grooved roller 2 is also located above the position shown in the figure, the grooved roller shaft 401 pushes the hinge rod 403 and the wheel seat rotation driving rod 404 upwards, the supporting wheel 301 is driven to deflect anticlockwise, and then a downward friction force component is generated in the contact follower of the supporting wheel 301 and the workpiece, and the workpiece is driven to move downwards to return to the preset symmetrical point. In the process that the workpiece returns to the preset symmetrical point, the annular ridge 101 and the follow-up grooved roll 2 synchronously return to the position shown in the figure, the grooved roll shaft 401 and the hinged rod 403 are used for transmission, the supporting wheel 301 rotates clockwise to gradually return to the position shown in the figure, the friction force component for driving the workpiece to move downwards in the period is gradually reduced, and the high-precision positive feedback control process is realized.
In the process, the rotation angle of the supporting wheel 301 is positively correlated with the axial force applied to the workpiece, and the rotation angle of the supporting wheel 301 is positively correlated with the distance from the workpiece to the preset symmetrical point of the processing equipment, so that positive feedback control is formed for the workpiece to return to the preset symmetrical point, namely, the farther the deviation distance is, the larger the return driving force is, the smaller the deviation distance is, the smaller the return driving force is, and finally the preset symmetrical point of the processing equipment is reached by means of the inertia of the workpiece. Due to the working principle, the design has high positioning and aligning operation efficiency and positioning and aligning precision.
In the machining process, if machining equipment needs to be replaced, the workpiece can be aligned with the preset symmetrical point of the machining equipment only by driving the workpiece to rotate for a short time after the workpiece is hoisted, the step of re-measurement is not needed, and the related workload is greatly reduced.
Claims (5)
1. The symmetrical zero positioning support frame is used for processing symmetrical products at two ends and is characterized by comprising a symmetrical zero judgment device, a positioning correction device and a transmission device;
the symmetrical zero point judgment device comprises a symmetrical zero point mark convex ridge and a follow-up groove roller, the symmetrical zero point mark convex ridge is fixedly arranged on a product to be processed, the symmetrical zero point mark convex ridge is provided with a protruding annular ridge, the follow-up groove roller is a rotating roller provided with an annular groove, when the product to be processed is placed in place, the annular groove is embedded with the annular ridge, and the follow-up groove roller is axially positioned relative to the product to be processed;
the positioning correction device consists of a supporting wheel, a supporting wheel seat, a wheel seat rotating shaft and a rotating shaft base, wherein the supporting wheel is arranged in the supporting wheel seat, the working surface of the supporting wheel is in contact with the lower surface of the product to be machined and supports the gravity of the product to be machined, the supporting wheel seat is rotatably connected with the rotating shaft base through the wheel seat rotating shaft, and the wheel seat rotating shaft points to the axis of the product to be machined;
the transmission device comprises a groove roll shaft, a groove roll shaft sliding groove, a hinge rod and a wheel seat rotation driving rod, wherein the groove roll shaft is parallel to the axis of a product to be machined, the starting end of the groove roll shaft is used as a rotating shaft of the follow-up groove roll and is axially positioned with the follow-up groove roll, the groove roll shaft is sleeved in the groove roll shaft sliding groove, and the groove roll shaft sliding groove is arranged on the side surface of the rotating shaft base and is used for limiting the groove roll shaft to only move along the axial direction of the groove roll shaft; the wheel seat rotation driving rod is arranged on the side surface of the wheel seat rotating shaft or the supporting wheel seat and is fixed relative to the supporting wheel seat, and two ends of the hinge rod are respectively hinged with the tail end of the grooved roller shaft and the outer end of the wheel seat rotation driving rod.
2. The symmetrical zero positioning support frame for symmetrical product processing at two ends as claimed in claim 1, wherein said annular groove is a sloping V-shaped groove, and correspondingly, the outer edge of the annular ridge is provided with a chamfer sloping.
3. The symmetrical zero positioning support frame for the machining of products with two symmetrical ends as claimed in claim 1, wherein the positioning correction devices are multiple and are arranged in sequence along the axial direction of the product to be machined.
4. The symmetrical zero positioning support frame for the processing of products with two symmetrical ends as claimed in claim 3, wherein among the plurality of positioning correction devices, the positioning correction device closest to the follower grooved roll is hinged to the grooved roll shaft through the hinge rod as described above, and the other positioning correction devices are hinged to and synchronously operate with the positioning correction device closest to the follower grooved roll through the hinge rod in a parallelogram hinged linkage manner.
5. The symmetrical zero positioning support frame for the machining of products with two symmetrical ends as claimed in claim 1, wherein the working surface of the support wheel is provided with a rubber cushion layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220836199.1U CN217371371U (en) | 2022-04-12 | 2022-04-12 | Symmetrical zero positioning support frame for processing products with symmetrical two ends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220836199.1U CN217371371U (en) | 2022-04-12 | 2022-04-12 | Symmetrical zero positioning support frame for processing products with symmetrical two ends |
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| Publication Number | Publication Date |
|---|---|
| CN217371371U true CN217371371U (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220836199.1U Active CN217371371U (en) | 2022-04-12 | 2022-04-12 | Symmetrical zero positioning support frame for processing products with symmetrical two ends |
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| Country | Link |
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| CN (1) | CN217371371U (en) |
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- 2022-04-12 CN CN202220836199.1U patent/CN217371371U/en active Active
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