CN217493416U - Driving ring transmission hole machining clamp - Google Patents
Driving ring transmission hole machining clamp Download PDFInfo
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- CN217493416U CN217493416U CN202221585959.2U CN202221585959U CN217493416U CN 217493416 U CN217493416 U CN 217493416U CN 202221585959 U CN202221585959 U CN 202221585959U CN 217493416 U CN217493416 U CN 217493416U
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Abstract
The utility model discloses a drive ring transmission hole adds clamping apparatus, a serial communication port, include: the clamp comprises a clamp disc, a first positioning pin, a second positioning pin and a locking mechanism; the first positioning pin is used for matching with a group of transmission holes on the driving ring, and the second positioning pin is used for matching with a main oil hole of the driving ring; the distance between the center line of the first positioning pin and the center line of the clamp disc is equal to the distance between the center lines of the two groups of transmission holes on the driving ring; the second positioning pin is positioned at the center of a connecting line between the central line of the first positioning pin and the central line of the clamp disc; the locking mechanism comprises a first supporting column, a second supporting column and a strip-shaped pressing plate, wherein the middle part of the strip-shaped pressing plate is used for pressing the driving ring. The utility model is used for the drive ring transmission hole adds the location clamping in man-hour, but realizes two sets of transmission holes after the position switching clamping and process respectively, because each other is the benchmark, can guarantee concentricity, depth of parallelism and interval size precision between its transmission hole simultaneously.
Description
Technical Field
The utility model relates to a drive ring transmission hole adds clamping apparatus.
Background
Reference is made to fig. 1, which is a drive ring belonging to a key part of a drive axle of a motor vehicle. The driving ring (N) is provided with four transmission holes (N-1) and two main oil holes (N-2); two transmission holes (N-1) on one side (upper side) of the driving ring (N) are distributed in parallel at intervals and are respectively concentric with the two transmission holes (N-1) on the other side (lower side). The main oil hole (N-2) is positioned at the center of the connecting line of the two transmission holes (N-1) at the same side, and two inclined oil holes (N-3) are arranged in the main oil hole (N-2) and are respectively communicated with the lubricating ring grooves (N-4) in the two transmission holes (N-1) at the same side (see figure 2).
When the four transmission holes (N-1) of the driving ring are machined, the two transmission holes (N-1) on the same side have the requirements on the mutual parallel position degree and the parallel distance size precision, the two transmission holes (N-1) on the upper side correspond to the two transmission holes (N-1) on the lower side one by one and have the concentricity requirement, and the conventional clamp is difficult to meet the machining requirement.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned defect problem or a plurality of defects that exist among the prior art, the utility model provides a drive ring drive hole adds clamping apparatus.
In order to achieve the above object, the utility model provides a driving ring transmission hole adds clamping apparatus which characterized in that includes: the clamp comprises a clamp disc, a first positioning pin, a second positioning pin and a locking mechanism; the first positioning pin is fixed on the clamp disc and is used for matching with the transmission hole on the driving ring, and the second positioning pin is fixed on the clamp disc and is used for matching with the main oil hole of the driving ring; the center line of the clamp disc, the center line of the first positioning pin and the center line of the second positioning pin are parallel to each other; the distance between the center line of the first positioning pin and the center line of the clamp disc is equal to the distance between the center lines of the two transmission holes on the same side of the driving ring; the second positioning pin is positioned at the center of a connecting line between the central line of the first positioning pin and the central line of the clamp disc; the distance between the center line of the first positioning pin and the center line of the clamp disc is equal to the distance between the center lines of the two transmission holes on the same side of the driving ring; the second positioning pin is positioned at the center of a connecting line between the central line of the first positioning pin and the central line of the clamp disc; the locking mechanism comprises a first support column, a second support column and a strip-shaped pressing plate, the first support column and the second support column are fixed on the clamp disc and located on two sides of a second positioning pin, one end of the strip-shaped pressing plate is fixedly connected with the first support column through a first bolt, the other end of the strip-shaped pressing plate is fixedly connected with the second support column through a second bolt, and the middle of the strip-shaped pressing plate is used for compressing the driving ring.
With the above solution, referring to fig. 6-9, during clamping, the lower side of the driving ring to be machined is placed on the clamp plate; the first positioning pin is inserted into the first transmission hole on the lower side of the driving ring and matched with the first transmission hole, and the second positioning pin is inserted into the main oil hole on the lower side of the driving ring and matched with the second transmission hole; and one end of the strip-shaped pressure plate is fixedly connected with the first support column through a first bolt, the other end of the strip-shaped pressure plate is fixedly connected with the second support column through a second bolt, the middle part of the strip-shaped pressure plate is pressed on the upper side part of the driving ring, and the driving ring is accurately positioned and pressed at the moment. The distance between the center line of the first positioning pin and the center line of the clamp disc is equal to the distance between the center lines of the two transmission holes on the same side of the driving ring; therefore, after clamping, the second transmission hole on the lower side of the driving ring is just concentric with the clamp disc, the clamp disc is coaxially fixed with the three-jaw chuck on the machine tool main shaft, the machine tool main shaft is concentric with the second transmission hole on the lower side to be machined on the driving ring, then the second transmission hole on the lower side of the driving ring and the third transmission hole on the upper side which is concentric with the second transmission hole can be machined in a turning mode or a boring mode, concentric machining of two transmission holes (the second transmission hole and the third transmission hole) on the upper side and the lower side of a group can be achieved, concentricity can be guaranteed, concentric machining of the two transmission holes can be achieved through one-time clamping, and machining efficiency is greatly improved.
Secondly, because the second transmission hole and the third transmission hole on the lower side of the driving ring are machined, the center line of the clamp disc, the center line of the first positioning pin and the center line of the second positioning pin are parallel to each other; the first transmission hole at the lower side of the driving ring is concentrically positioned by the first positioning pin, and the second transmission hole (or the third transmission hole) at the lower side of the driving ring is concentrically positioned with the clamp disc, so that the first transmission hole and the second transmission hole (or the third transmission hole) of the driving ring can meet the requirement of mutual parallel position degree after machining;
in addition, the distance between the center line of the first positioning pin and the center line of the clamp disc is equal to the distance between the center lines of the two transmission holes on the same side of the driving ring; and the second positioning pin is positioned at the center of a connecting line between the central line of the first positioning pin and the central line of the clamp disc, so that the distance between the central lines of the first transmission hole and the second transmission hole (or the third transmission hole) of the driving ring after machining is equal to the distance between the central line of the first positioning pin and the central line of the clamp disc, and the size precision can be ensured. Therefore, the clamp can be used for clamping the driving ring transmission hole during machining, and simultaneously meets the requirements of the mutual parallel position degree and the space size precision between the first transmission hole and the second transmission hole (or the third transmission hole) of the driving ring; meanwhile, the operation is simple, and the clamping is convenient.
Further, the first positioning pin is detachably fixed on the jig tray. In addition, after the second transmission hole and the third transmission hole which are concentric with the driving ring are machined, the first bolt and the second bolt are rotated to be loosened, then the workpiece is clamped after being transposed, and specifically: firstly, placing the lower side part of a driving ring to be machined on a clamp disc, and enabling a second transmission hole on the finish machined lower side of the driving ring to be matched with the first positioning pin, wherein the second positioning pin is matched with a main oil hole on the lower side of the driving ring; then one end of the strip-shaped pressure plate is fixedly connected with the first support column through a first bolt, the other end of the strip-shaped pressure plate is fixedly connected with the second support column through a second bolt, the middle part of the strip-shaped pressure plate is used for pressing the upper side part of the driving ring, at the moment, the driving ring is accurately positioned and pressed, at the moment, the first transmission hole (or the fourth transmission hole) on the driving ring is just concentric with the clamp disc, the first transmission hole on the driving ring and the machine tool main shaft are concentric with the driving ring, then the first transmission hole on the lower side of the driving ring and the fourth transmission hole on the upper side concentric with the driving ring can be lathed or bored, the concentric processing of the two transmission holes (namely the first transmission hole and the fourth transmission hole) at the upper side and the lower side of the other group can be realized, the concentricity can be ensured, two transmission holes, namely a first transmission hole and a fourth transmission hole) can be concentrically processed by one-time clamping, and the processing efficiency is greatly improved. After a group of two concentric transmission holes (namely a second transmission hole and a third transmission hole) are machined, another group of two concentric transmission holes (namely a first transmission hole and a fourth transmission hole) are machined after transposition and clamping, and the two transmission holes are machined as references, so that the mutual position precision of the two groups of transmission holes can be improved, and the machining efficiency is also greatly improved.
Further, a balancing weight is fixedly arranged on the clamp disc; and the balancing weight and the first positioning pin are respectively positioned on two opposite sides of the clamp disc. The fixture disc can be prevented from being balanced and stable when rotating at high speed during machining, so that the deviation between the integral gravity center and the rotating center is smaller, the vibration can be reduced, and the machining precision is improved.
Furthermore, the first positioning pin can penetrate through the two concentric transmission holes on the driving ring and extend outwards, a widened part extending towards one side of the first positioning pin is arranged in the middle of the strip-shaped pressing plate, and a positioning hole matched with the first positioning pin is formed in the widened part. The strip-shaped pressure plate can be restrained and positioned by the first positioning pin when pressing the driving ring, the whole looseness can be prevented, the first positioning pin is used for mutual restraint, and the outer end of the first positioning pin can be kept stable after being subjected to external force.
Furthermore, a first abutting screw is in threaded fit with the first strut. The first abutting screw can rotate and abut against one side wall part of the driving ring, so that the first abutting screw can be prevented from loosening.
Furthermore, a second abutting screw is in threaded fit with the second strut. The second support can rotate to abut against the other side wall part of the driving ring, so that the second support can be prevented from loosening.
Further, the first fastening screw is provided with a plurality of screws. Thus, the clamping device can realize multi-position clamping.
Further, the second abutting screw is provided with a plurality of screws. Thus, the clamping device can realize multi-position clamping.
Further, a tool avoiding hole is formed in the center of the clamp disc. The cutter can be prevented from touching the solid part of the clamp disc when being machined to the bottom, and the cutter can be protected.
The utility model has the advantages that:
the utility model has the advantages that the structure is different from the existing clamp, the clamp can be used for positioning and clamping the drive ring transmission holes during processing, two groups of transmission holes can be processed respectively after position switching and clamping, and the concentricity, parallelism and spacing size precision between the transmission holes can be ensured simultaneously due to mutual reference;
secondly, the utility model has simple operation and convenient clamping, can realize one-time double-hole simultaneous processing, and can greatly improve the processing efficiency;
third, the utility model discloses because the fixed balancing weight that is provided with on the anchor clamps dish, can avoid adding man-hour this anchor clamps dish balanced stable when rotating at a high speed, make whole focus and rotation center deviation littleer, reducible vibration improves the machining precision.
Fourth, the utility model discloses owing to can make this bar clamp plate compress tightly by first locating pin restraint location when driving ring, can prevent wholly not hard up for restraint each other, also make its this first locating pin outer end receive external force after keep position stable.
Drawings
Fig. 1 is a perspective view of a drive ring.
Fig. 2 is an inner sectional perspective view of a drive ring.
Fig. 3 is a perspective view of a driving ring transmission hole machining clamp in an explosion state of a locking mechanism of the driving ring transmission hole machining clamp in the first embodiment.
Fig. 4 is an assembly plan view of the fixture plate with the first positioning pin, the second positioning pin, the first support, the second support, and the weight block fixedly mounted thereon.
Fig. 5 is an assembled perspective view of the fixture plate fixedly mounted with the first positioning pin, the second positioning pin, the first pillar, the second pillar, and the weight block.
6-9 are the structure schematic diagrams of a drive ring drive hole machining clamp in the first embodiment when the drive ring is positioned and pressed tightly.
Fig. 10-11 are schematic structural diagrams of a driving ring transmission hole machining clamp in the second embodiment when the driving ring is positioned and pressed.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
the first embodiment is as follows: referring to fig. 3-5, a drive ring drive bore machining fixture includes: the clamp comprises a clamp disc 1, a first positioning pin 2, a second positioning pin 3 and a locking mechanism 4.
In the embodiment, the clamp plate 1 is used for connecting with a three-jaw chuck of a machine tool spindle, and the lower part of the clamp plate 1 is provided with a stepped cylinder 1-2 which is convenient for coaxial clamping. In other embodiments, the chuck plate 1 may be directly fixed to a table of a machine tool (e.g., a cnc machine).
The first positioning pin 2 is fixed on the clamp disc 1 and is used for matching with a transmission hole N-1 on the driving ring N; specifically, the first positioning pin 2 is matched with an inner hole of the transmission hole N-1.
In this embodiment, the first positioning pin 2 is detachably fixed to the chuck disk 1. Specifically, one end of the first positioning pin 2 is fixed with the clamp disc 1 in a threaded fit manner.
The second positioning pin 3 is detachably fixed on the clamp disc 1 and is used for matching with a main oil hole N-2 of the driving ring N; specifically, one end of the second positioning pin 3 can be fixed with the clamp plate 1 in a threaded fit manner.
The central line of the clamp disc 1, the central line of the first positioning pin 2 and the central line of the second positioning pin 3 are parallel to each other.
Referring to fig. 3-5, in particular, the distance between the center line of the first alignment pin 2 and the center line of the clamp disk 1 is equal to the distance between the center lines of the two transmission holes N-1 on the same side of the drive ring N by 2S, and the second alignment pin 3 is located at the center of the connecting line between the center line of the first alignment pin 2 and the center line of the clamp disk 1. Namely: the distance between the center line of the second positioning pin 3 and the center line of the first positioning pin 2 is S, and the distance between the center line of the clamp disc 1 and the center line of the second positioning pin 3 is S.
Referring to fig. 3, the locking mechanism 4 includes a first support column 4-1, a second support column 4-2, and a strip-shaped pressing plate 4-3, the lower end of the first support column 4-1 and the lower end of the second support column 4-2 are fixed on the chuck plate 1 and located on both sides of the second positioning pin 3, one end of the strip-shaped pressing plate 4-3 is fixedly connected with the first support column 4-1 through a first bolt 4-4, the other end of the strip-shaped pressing plate 4-3 is fixedly connected with the second support column 4-2 through a second bolt 4-5, and the middle part of the strip-shaped pressing plate 4-3 is used for pressing the driving ring N.
Referring to fig. 3, in particular, the first support 4-1 is provided with a first threaded hole 4-11 at the upper end, the strip-shaped pressure plate 4-3 is provided with a first through hole 4-31 at one end, and the screw portion of the first bolt 4-4 passes through the first through hole 4-31 and then is fixedly connected with the first threaded hole 4-11 in a threaded fit manner.
Referring to fig. 3, specifically, the upper end of the second pillar 4-2 is provided with a second threaded hole 4-21, the other end of the strip-shaped pressing plate 4-3 is provided with a second through hole 4-32, and the screw portion of the second bolt 4-5 passes through the second through hole 4-32 and then is in threaded fit with the second threaded hole 4-21 to be fixedly connected.
Referring to fig. 3, preferably at least one of the second perforations 4-32 and the second perforations 4-32 is a strip-shaped aperture.
Referring to fig. 3 and 8-9, during pressing, the screw part of the first bolt 4-4 is fixedly connected with the first threaded hole 4-11 after passing through the first through hole 4-31; the screw part of the second bolt 4-5 passes through the second through hole 4-32 and then is in threaded fit with the second threaded hole 4-21 to be fixedly connected, and the strip-shaped pressing plate 4-3 can downwards press the outer wall surface of one main oil hole N-2 at the upper side of the driving ring N. And the matching position of the first bolt 4-4 and the first support 4-1 can be adjusted, so that tightness adjustment can be realized. The matching position of the second bolt 4-5 and the second support 4-2 can be adjusted, so the pressing force of the strip-shaped pressing plate 4-3 on the upper side part of the driving ring N can be adjusted, and the pressing effect cannot be influenced when the external dimension of the blank of the driving ring N has deviation.
Referring to fig. 3, in addition, a balancing weight 5 is fixedly installed on the clamp plate 1; and the balancing weight 5 and the first positioning pin 2 are respectively positioned at two opposite sides of the clamp disc 1. Therefore, the fixture disc 1 can be prevented from being balanced and stable and not eccentric when rotating at a high speed during processing, vibration can be avoided, and the processing precision is improved.
Referring to fig. 3, further, a first fastening screw 4-6 is screwed on the first pillar 4-1. The first abutting screws 4-6 can rotate to abut against one side wall part of the driving ring N, so that the looseness can be prevented.
Referring to fig. 3, in particular, the first support pillar 4-1 is provided with a third threaded hole 4-12, the screw portion of the first abutting screw 4-6 is in threaded fit with the third threaded hole 4-12, and the screw portion of the first abutting screw 4-6 faces the second positioning pin 3.
Referring to fig. 3, further, a second tightening screw 4-7 is screwed on the middle of the second pillar 4-2. The second support 4-2 can rotate to abut against the other side wall part of the driving ring N, so that the looseness can be prevented.
Referring to fig. 3, in particular, a fourth threaded hole 4-22 is formed in the middle of the second support pillar 4-2, the screw portion of the second tightening screw 4-7 is in threaded fit with the fourth threaded hole, and the screw portion of the second tightening screw 4-7 faces the second positioning pin 3.
Referring to fig. 3, further, the first holding screw 4-6 has two. Thus, the clamping device can realize multi-position clamping.
Referring to fig. 3, further, the second fastening screw 4-7 has two. Thus, the clamping device can realize multi-position clamping.
Referring to fig. 3, further, the clamp plate 1 is provided with a knife avoiding hole 1-1 at the center. The cutter (turning tool or boring tool) can be prevented from touching the solid part of the clamp disc 1 when being machined to the bottom, and the cutter can be protected.
Referring to fig. 6-9, the clamp of the present embodiment can place the lower side portion of the drive ring N to be machined on the clamp disk 1 when clamping; the first positioning pin 2 is inserted into a first transmission hole N-1 at the lower side of the driving ring N for matching, and the second positioning pin 3 is inserted into a main oil hole N-2 at the lower side of the driving ring N for matching; one end of the strip-shaped pressure plate 4-3 is fixedly connected with the first support column 4-1 through a first bolt 4-4, the other end of the strip-shaped pressure plate 4-3 is fixedly connected with the second support column 4-2 through a second bolt 4-5, and the middle part of the strip-shaped pressure plate 4-3 is pressed on the upper side part of the driving ring N, and at the moment, the driving ring N is accurately positioned and pressed. In order to prevent the drive ring N from loosening laterally, the first abutting screws 4-6 on the first support column 4-1 can be rotated to abut against one side wall part of the drive ring N, the second abutting screws 4-7 on the second support column 4-2 can be rotated to abut against the other side wall part of the drive ring N, and the two lateral sides of the middle part of the drive ring N are abutted and clamped, so that the loosening can be prevented. At this time, the distance between the center line of the first positioning pin 2 and the center line of the clamp disc 1 is equal to the distance between the center lines of the two transmission holes N-1 on the same side of the drive ring N (the distance length is 2S). The distance between the central line of the first positioning pin 2 and the central line of the clamp disc 1 is equal to the distance between the central lines of the two transmission holes N-1 on the same side of the driving ring N; therefore, after clamping, the second transmission hole N-1 at the lower side of the driving ring N is just concentric with the clamp disc 1, and the clamp disc 1 is coaxially fixed with the three-jaw chuck M on the main shaft of the machine tool, the machine tool main shaft is concentric with the position of a second transmission hole N-1 on the lower side to be machined on the driving ring N, then a second transmission hole N-1 at the lower side of the driving ring N and a third transmission hole N-1 at the upper side concentric with the driving ring N can be machined or bored, can realize concentric processing of a group of two concentric transmission holes N-1 (namely a second transmission hole N-1 and a third transmission hole N-1), can ensure the concentricity, the concentric machining of a group of two transmission holes N-1 (a second transmission hole N-1 and a third transmission hole N-1) can be realized by one-time clamping, so that the machining efficiency is greatly improved.
Secondly, when the second transmission hole N-1 at the lower side of the driving ring N and the third transmission hole N-1 at the upper side are machined, the central line of the clamp disc 1, the central line of the first positioning pin 2 and the central line of the second positioning pin 3 are parallel to each other; the first transmission hole N-1 at the lower side of the driving ring N is concentrically positioned by the first positioning pin 2, and the second transmission hole N-1 (or the third transmission hole N-1) at the lower side is concentrically positioned with the clamp disc 1, so that the first transmission hole and the second transmission hole (or the third transmission hole) of the driving ring N can meet the requirement of mutual parallel position degree after machining;
in addition, the distance between the central line of the first positioning pin 2 and the central line of the clamp disc 1 is equal to the distance between the central lines of the two transmission holes N-1 on the same side of the driving ring N; and the second locating pin 3 is positioned at the center of the connecting line between the central line of the first locating pin 2 and the central line of the clamp disc 1, so that the distance between the central lines of two transmission holes N-1 (namely the first transmission hole and the second transmission hole) at the lower side of the driving ring N after machining is equal to the distance between the central lines of the first locating pin 2 and the clamp disc 1 (the length is 2S), and the size precision can be ensured. Therefore, the clamp can be used for clamping the drive ring transmission hole N-1 during machining, and simultaneously meets the requirements of the mutual parallel position degree and the space size precision between the first transmission hole N-1 and the second transmission hole (or the third transmission hole) of the drive ring; meanwhile, the operation is simple, and the clamping is convenient.
After the concentric machining of the two transmission holes N-1 (the second transmission hole N-1 and the third transmission hole N-1) of the group N of the drive ring is completed, the first bolt 4-4 and the second bolt 4-5 are rotated to be loosened, and then the workpiece is clamped after being transposed, specifically: then the lower side part of the driving ring N to be processed is placed on the clamp disc 1, so that the second transmission hole N-1 at the lower side of the driving ring N which is processed by finish machining is matched with the first positioning pin 2, and the second positioning pin 3 is matched with the main oil hole N-2 at the lower side of the driving ring N; then one end of the strip-shaped pressure plate 4-3 is fixedly connected with the first support column 4-1 through a first bolt 4-4, the other end of the strip-shaped pressure plate 4-3 is fixedly connected with the second support column 4-2 through a second bolt 4-5, the middle part of the strip-shaped pressure plate 4-3 is used for pressing the upper side part of the driving ring N, at the moment, the driving ring N is accurately positioned and pressed, in order to prevent the driving ring N from loosening laterally, a first abutting screw 4-6 on the first support column 4-1 can be rotated and abutted against one side wall part of the driving ring N, a second abutting screw 4-7 on the second support column 4-2 can be rotated and abutted against the other side wall part of the driving ring N, and two lateral parts of the middle part of the driving ring N are abutted and clamped, so that the loosening can be prevented. At this time, the distance between the center line of the first positioning pin 2 and the center line of the clamp disc 1 is equal to the distance between the center lines of the two transmission holes N-1 on the same side of the driving ring N, and the length of the distance is 2S. At the moment, the first transmission hole N-1 on the driving ring N is just concentric with the clamp disc 1, the first transmission hole N-1 on the driving ring N is concentric with the positions of the machine tool spindle and the driving ring N, then the first transmission hole N-1 on the lower side of the driving ring N and the fourth transmission hole N-1 on the upper side corresponding to the first transmission hole N-1 can be machined in a turning mode or a boring mode, concentric machining of two transmission holes N-1 (namely the first transmission hole and the fourth transmission hole) on the upper side and the lower side of the other group can be achieved, concentricity can be guaranteed, concentric machining of the two transmission holes N-1 (namely the first transmission hole and the fourth transmission hole) can be achieved through one-time clamping, and machining efficiency is greatly improved. After a group of two concentric transmission holes N-1 (a second transmission hole and a third transmission hole) are machined, another group of two concentric transmission holes N-1 (a first transmission hole and a fourth transmission hole) can be machined after transposition and clamping, and the two transmission holes are machined as references, so that the mutual position precision of the two groups of transmission holes N-1 can be improved, and the machining efficiency is also greatly improved; meanwhile, the operation is simple, and the clamping is convenient.
Example two: this embodiment is substantially the same as the first embodiment, except that:
referring to fig. 10-11, in the present embodiment, the first positioning pin 2 can pass through a set of transmission holes N-1 on the driving ring N and extend outward, a widened portion 4-33 extending toward one side of the first positioning pin 2 is provided at the middle portion of the strip-shaped pressing plate 4-3, and the widened portion 4-33 is provided with positioning holes 4-34 for the first positioning pin 2 to fit. The strip-shaped pressure plate 4-3 can be restrained and positioned by the first positioning pin 2 when pressing the driving ring N, the whole looseness can be prevented, the mutual restraint is realized, and the position of the outer end of the first positioning pin 2 is kept stable after being subjected to external force.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the principles of this invention without the use of inventive faculty. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (9)
1. A drive ring drive hole machining jig characterized by comprising: the clamp comprises a clamp disc (1), a first positioning pin (2), a second positioning pin (3) and a locking mechanism (4);
the first positioning pin (2) is fixed on the clamp disc (1) and is used for matching with a transmission hole (N-1) on the driving ring (N), and the second positioning pin (3) is fixed on the clamp disc (1) and is used for matching with a main oil hole (N-2) of the driving ring (N);
the center line of the clamp disc (1), the center line of the first positioning pin (2) and the center line of the second positioning pin (3) are parallel to each other; the distance between the central line of the first positioning pin (2) and the central line of the clamp disc (1) is equal to the distance between the central lines of the two transmission holes (N-1) on the same side of the driving ring (N); the second positioning pin (3) is positioned at the center of a connecting line between the center line of the first positioning pin (2) and the center line of the clamp disc (1);
the locking mechanism (4) comprises a first support column (4-1), a second support column (4-2) and a strip-shaped pressing plate (4-3); the first support column (4-1) and the second support column (4-2) are fixed on the clamp plate (1) and are positioned at two sides of the second positioning pin (3); one end of the strip-shaped pressure plate (4-3) is fixedly connected with the first support column (4-1) through a first bolt (4-4), the other end of the strip-shaped pressure plate (4-3) is fixedly connected with the second support column (4-2) through a second bolt (4-5), and the middle part of the strip-shaped pressure plate (4-3) is used for pressing the driving ring (N).
2. The drive ring drive hole machining jig of claim 1, characterized by: the first positioning pin (2) is detachably fixed on the clamp plate (1).
3. The drive ring drive hole machining jig of claim 1, characterized by: a balancing weight (5) is fixedly arranged on the clamp disc (1); and the balancing weight (5) and the first positioning pin (2) are respectively positioned on two opposite sides of the clamp disc (1).
4. The jig for machining a drive ring transmission hole according to claim 1, wherein: the first positioning pin (2) can penetrate through two concentric transmission holes (N-1) on the driving ring (N) and extend outwards; the middle part of the strip-shaped pressing plate (4-3) is provided with a widened part (4-33) extending towards one side of the first positioning pin (2), and the widened part (4-33) is provided with a positioning hole (4-34) matched with the first positioning pin (2).
5. The drive ring drive hole machining jig of claim 1, characterized by: the first supporting column (4-1) is in threaded fit with a first abutting screw (4-6).
6. The drive ring drive hole machining jig of claim 1, characterized by: the second support post (4-2) is in threaded fit with a second abutting screw (4-7).
7. The drive ring drive hole machining jig of claim 5, wherein: the first holding screw (4-6) is provided with a plurality of screws.
8. The drive ring drive hole machining jig of claim 6, wherein: the second fastening screw (4-7) is provided with a plurality of screws.
9. The drive ring drive hole machining jig of claim 1, characterized by: the center of the clamp disc (1) is provided with a knife avoiding hole (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221585959.2U CN217493416U (en) | 2022-06-23 | 2022-06-23 | Driving ring transmission hole machining clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221585959.2U CN217493416U (en) | 2022-06-23 | 2022-06-23 | Driving ring transmission hole machining clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217493416U true CN217493416U (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221585959.2U Active CN217493416U (en) | 2022-06-23 | 2022-06-23 | Driving ring transmission hole machining clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217493416U (en) |
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2022
- 2022-06-23 CN CN202221585959.2U patent/CN217493416U/en active Active
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