CN221560537U - Positioning device for machining end face groove of chain wheel - Google Patents

Positioning device for machining end face groove of chain wheel Download PDF

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Publication number
CN221560537U
CN221560537U CN202323283442.5U CN202323283442U CN221560537U CN 221560537 U CN221560537 U CN 221560537U CN 202323283442 U CN202323283442 U CN 202323283442U CN 221560537 U CN221560537 U CN 221560537U
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China
Prior art keywords
positioning
sprocket
backing plate
base plate
bolt
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Active
Application number
CN202323283442.5U
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Chinese (zh)
Inventor
郭宇哲
荆宝慧
高凯
姜润峰
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Qingdao Choho Chain Drive Co ltd
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Qingdao Choho Chain Drive Co ltd
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Priority to CN202323283442.5U priority Critical patent/CN221560537U/en
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Publication of CN221560537U publication Critical patent/CN221560537U/en
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Abstract

The utility model provides a positioner is used in sprocket face groove processing, belongs to sprocket face groove processing technical field, including workstation, backing plate, fixing bolt, pressure equipment bolt, locating pin, the both ends of backing plate seted up the U type groove respectively, the backing plate through pass the fixing bolt of U type groove and predetermine the bolt hole fixed connection on the workstation and be used for compressing tightly the backing plate on the workstation, the center department of backing plate set up threaded hole, pressure equipment bolt and threaded hole spiro union with wait to process sprocket work piece and compress tightly on the backing plate, the backing plate on still be equipped with the locating hole that is used for inserting the locating pin, the locating pin insert the locating hole and be used for waiting to process sprocket work piece along radial fixation. This novel simple structure, convenient to use, with low costs, location are accurate, and can be applicable to the terminal surface groove processing location of multiple specification sprocket.

Description

Positioning device for machining end face groove of chain wheel
Technical Field
The utility model belongs to the technical field of sprocket face groove processing, concretely relates to positioner is used in sprocket face groove processing.
Background
Sprockets are important transmission elements in transmission systems in which the end face grooves of the sprocket are used in meshed connection with the chain, and therefore the quality of the sprocket end face groove processing is related to the quality of the chain transmission. However, the machining of the end face groove of the sprocket depends on accurate positioning of the sprocket, and only if the sprocket is accurately fixed at a set position, the end face groove milling can be smoothly performed, and the end face groove machining and positioning device which has a simple structure, is convenient to use, has low cost and accurate positioning and can be suitable for sprockets with various specifications is not known in the prior patent literature.
Disclosure of utility model
For overcoming the not enough of prior art, the utility model discloses a positioner is used in sprocket end face groove processing, the device simple structure, convenient to use, with low costs, location accuracy, and can be applicable to the end face groove processing location of multiple specification sprocket.
In order to achieve the above purpose, the technical scheme of the utility model is:
the utility model provides a positioner is used in processing of sprocket terminal surface groove, includes workstation, backing plate, fixing bolt, pressure equipment bolt, locating pin, the both ends of backing plate seted up the U type groove respectively, the backing plate through pass the fixing bolt in U type groove and predetermine the bolt hole fixed connection on the workstation and be used for compressing tightly the backing plate on the workstation, the center department of backing plate set up threaded hole, pressure equipment bolt and threaded hole spiro union and compress tightly the sprocket work piece that will wait to process on the backing plate, the backing plate on still be equipped with the locating hole that is used for inserting the locating pin, the locating pin insert the locating hole and be used for radially fixed with the sprocket work piece that will wait to process.
Preferably, the center of the backing plate runs through and downwards extends to form a sleeve, the outer wall of the sleeve is fixedly connected with the backing plate, the top end of the sleeve is flush with the upper surface of the backing plate, the inner wall of the sleeve is provided with internal threads and forms a threaded hole for connecting a press-fit bolt, and the lower part of the sleeve is clamped in a preset slot on the workbench and is in interference fit with the slot.
Preferably, the press-fit bolt is provided with a bolt cap for pressing the edge of the central hole of the sprocket workpiece to be machined, the bolt cap is provided with multiple types according to the difference of outer diameters and is matched with the central hole of the sprocket workpiece to be machined of different specifications, and the top end of the bolt cap is provided with a screwing groove for screwing through a tool.
Preferably, a plurality of annular marking lines with different outer diameters are distributed on the upper surface of the backing plate around the axis of the threaded hole, and each marking line corresponds to a sprocket workpiece to be machined with the same outer diameter.
Preferably, the upper surface of the backing plate is provided with a plurality of groups of positioning units along the radial direction of the marking lines, each positioning unit comprises a plurality of positioning holes, and each positioning hole is arranged on a different marking line.
Preferably, the inner diameter of the positioning hole is matched with the outer diameter of the positioning pin, and the positioning pin is in transition fit with the positioning hole.
This novel simple structure, convenient to use, with low costs, location are accurate, and can be applicable to the terminal surface groove processing location of multiple specification sprocket.
Drawings
FIG. 1 is a schematic top view of the present invention in use;
FIG. 2 is a schematic top view of the present novel assembly;
FIG. 3 is a schematic structural view of the novel press-fit bolt;
FIG. 4 is a schematic view of the structure of the positioning pin of the present invention;
FIG. 5 is a schematic structural view of the novel fixing bolt;
1. A movable jaw; 2. a backing plate; 3. a fixing bolt; 4. pressing and installing bolts; 5. positioning holes; 6. a positioning pin; 7. a sprocket workpiece to be processed; 8. a U-shaped groove; 9. bolt holes; 10. a sleeve; 11. marking lines.
Detailed Description
The following description is of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, but is intended to cover any modifications, equivalents, improvements, etc. within the spirit and principles of the present invention.
In this embodiment, the utility model relates to a sprocket face groove positioner for processing, as shown in fig. 1, 2, including workstation 1, backing plate 2, fixing bolt 3, pressure equipment bolt 4, locating pin 6, the both ends of backing plate 2 seted up U type groove 8 respectively, backing plate 2 through pass U type groove 8 fixing bolt 3 and predetermine bolt hole 9 fixed connection on workstation 1 and be used for compressing tightly backing plate 2 on workstation 1, the center department of backing plate 2 set up threaded hole, pressure equipment bolt 4 and threaded hole spiro union and compress tightly the sprocket work piece 7 that will wait to process on backing plate 2, backing plate 2 on still be equipped with the locating hole 5 that is used for inserting locating pin 6, locating pin 6 insert locating hole 5 and be used for radially fixed with the sprocket work piece 7 that will wait to process.
In this embodiment, as shown in fig. 2, the center of the backing plate 2 is penetrated and extends downwards to form a sleeve 10, the outer wall of the sleeve 10 is fixedly connected with the backing plate 2, the top end of the sleeve 10 is flush with the upper surface of the backing plate 2, the inner wall of the sleeve 10 is provided with internal threads and forms a threaded hole for connecting a press-fit bolt 4, the lower part of the sleeve 10 is clamped in a preset slot on the workbench 1 and is in interference fit with the slot, namely, the press-fit bolt 4 is tightly connected with the workbench 1 while pressing the sprocket workpiece 7 to be processed and the backing plate 2.
In this embodiment, as shown in fig. 1 and 3, the press-fit bolt 4 is provided with a bolt cap for pressing the edge of the central hole of the sprocket workpiece 7 to be processed, the bolt cap is provided with multiple types according to the difference of outer diameters and matches with the central holes of the sprocket workpiece 7 to be processed with different specifications, and the top end of the bolt cap is provided with a screwing groove for screwing by a tool.
In this embodiment, as shown in fig. 2, a plurality of annular marking lines 11 with different outer diameters are distributed on the upper surface of the backing plate 2 around the axis of the threaded hole, and each marking line 11 corresponds to a sprocket workpiece to be processed with the same outer diameter, so that the workpiece to be processed can be conveniently and quickly positioned on the backing plate, and meanwhile, the specification of the processed workpiece can be conveniently and quickly detected.
In this embodiment, as shown in fig. 2, the upper surface of the backing plate 2 is provided with a plurality of groups of positioning units along the radial direction of the marking lines 11, the positioning units include a plurality of positioning holes 5, and each positioning hole 5 is disposed on a different marking line 11. According to the model difference of conventional processing sprocket, can set up a plurality of groups of positioning unit on the backing plate, conveniently carry out quick location to the sprocket work piece of waiting to process of different specifications.
In this embodiment, as shown in fig. 2 and 4, the inner diameter of the positioning hole 5 is matched with the outer diameter of the positioning pin 6, and the positioning pin 6 is in transition fit with the positioning hole 5.
The working principle of the novel:
The novel backing plate is fixed with the workbench through fixing bolts and press-fitting bolts, so that stability of a foundation in the machining process is guaranteed, a sprocket workpiece to be machined is fixed in the vertical direction and a plurality of radial directions through the press-fitting bolts and the locating pins, and the accurate and stable positioning of the sprocket workpiece to be machined in the process of machining the end face groove is guaranteed. By arranging a plurality of groups of marking lines, the sprocket workpiece to be processed is conveniently and rapidly positioned, and the model of the sprocket workpiece to be processed is rapidly identified. By arranging a plurality of groups of positioning units, the sprocket workpiece to be processed is conveniently and rapidly fixed in the radial direction.

Claims (6)

1. A locating device for machining a chain wheel end face groove is characterized in that: the novel chain wheel clamp comprises a workbench, a base plate, fixing bolts, press-fit bolts and positioning pins, wherein U-shaped grooves are respectively formed in two ends of the base plate, the base plate is fixedly connected with bolt holes preset on the workbench through the fixing bolts penetrating through the U-shaped grooves and used for pressing the base plate on the workbench, a threaded hole is formed in the center of the base plate, the press-fit bolts are in threaded connection with the threaded holes and compress a chain wheel workpiece to be machined on the base plate, positioning holes for inserting the positioning pins are further formed in the base plate, and the positioning pins are inserted into the positioning holes and used for fixing the chain wheel workpiece to be machined in the radial direction.
2. The positioning device for machining a sprocket face groove according to claim 1, wherein: the center of the base plate is penetrated and downwards extends to form a sleeve, the outer wall of the sleeve is fixedly connected with the base plate, the top end of the sleeve is flush with the upper surface of the base plate, the inner wall of the sleeve is provided with internal threads and forms a threaded hole for connecting a press-fit bolt, and the lower part of the sleeve is clamped in a preset slot on the workbench and is in interference fit with the slot.
3. A positioning device for machining a sprocket face groove as set forth in claim 2, wherein: the press-fit bolt is provided with a bolt cap for pressing the edge of a central hole of a sprocket workpiece to be machined, the bolt cap is provided with various types according to the difference of outer diameters and is matched with the central hole of the sprocket workpiece to be machined of different specifications, and the top end of the bolt cap is provided with a screwing groove for screwing through a tool.
4. A positioning device for machining a sprocket face groove according to claim 3, wherein: the upper surface of the backing plate is distributed with a plurality of annular marking lines with different outer diameters around the axis of the threaded hole, and each marking line corresponds to a sprocket workpiece to be machined with the same outer diameter.
5. The positioning device for machining a sprocket face groove according to claim 4, wherein: the upper surface of the backing plate is provided with a plurality of groups of positioning units along the radial direction of the marking lines, each positioning unit comprises a plurality of positioning holes, and each positioning hole is arranged on a different marking line.
6. The positioning device for machining a sprocket face groove according to claim 5, wherein: the inner diameter of the positioning hole is matched with the outer diameter of the positioning pin, and the positioning pin is in transition fit with the positioning hole.
CN202323283442.5U 2023-12-04 2023-12-04 Positioning device for machining end face groove of chain wheel Active CN221560537U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323283442.5U CN221560537U (en) 2023-12-04 2023-12-04 Positioning device for machining end face groove of chain wheel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323283442.5U CN221560537U (en) 2023-12-04 2023-12-04 Positioning device for machining end face groove of chain wheel

Publications (1)

Publication Number Publication Date
CN221560537U true CN221560537U (en) 2024-08-20

Family

ID=92297066

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323283442.5U Active CN221560537U (en) 2023-12-04 2023-12-04 Positioning device for machining end face groove of chain wheel

Country Status (1)

Country Link
CN (1) CN221560537U (en)

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