CN223572136U - A general-purpose needle tooth housing internal tooth chamfering tool - Google Patents
A general-purpose needle tooth housing internal tooth chamfering toolInfo
- Publication number
- CN223572136U CN223572136U CN202422716177.3U CN202422716177U CN223572136U CN 223572136 U CN223572136 U CN 223572136U CN 202422716177 U CN202422716177 U CN 202422716177U CN 223572136 U CN223572136 U CN 223572136U
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- positioning
- needle
- shell
- mounting
- driving
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Abstract
The application discloses a general needle tooth shell internal tooth chamfering tool, which relates to the technical field of needle tooth shell processing, wherein a fixing seat is arranged on the fixing seat, a first positioning mechanism for placing a needle tooth shell is arranged on the fixing seat, the first positioning mechanism is contacted with the outer surface of the needle tooth shell, a mounting seat is arranged on the fixing seat, a second positioning mechanism which is propped against the inner side wall of the needle tooth shell is arranged on the mounting seat, a clamping mechanism which is contacted with the upper part of the needle tooth shell is arranged on the fixing seat, a limiting mechanism for limiting the position of the second positioning mechanism is arranged on the mounting seat, the needle tooth shell is roughly positioned and positioned by the first positioning mechanism and the second positioning mechanism, and then the needle tooth shell is fixed by the clamping mechanism, so that the needle tooth shell can be completely positioned with a pin hole, the indexing circle center of the pin hole and the angular direction of the pin hole are directly positioned, the positioning precision of the needle tooth shell is improved, and the needle tooth shell internal tooth chamfering processing is more accurate.
Description
Technical Field
The application relates to the technical field of pin gear shell processing, in particular to a universal pin gear shell internal tooth chamfering tool.
Background
In the RV reducer, one part is a pin gear shell, the internal teeth of the pin gear shell are half cylindrical shapes with the same diameters, the pin gear shell is formed by forming and grinding, and the upper hole and the lower hole of the pin gear shell are required to be chamfered. The traditional chamfering mode is to adopt a chuck to center and add a pin to fix the angle position, then process the orifice chamfer of all holes on one side, then turn over, after clamping in the same mode, process all orifice chamfers on the other side.
However, the center of a certain excircle is centered by the chuck, the center of the excircle and a circle of internal teeth are not necessarily concentric, the pin is in angle alignment, only clearance fit is realized, and the clearance is larger because the position errors of the semicircular pin hole of the pin gear shell and the excircle are larger, and the positioning precision is not high.
In view of the above-mentioned related art, the inventors consider that the positional error between the semicircular pin hole of the pin housing and the outer circumference of the pin housing is large, and the positioning accuracy is not high by the chuck and the positioning pin, so that the chamfering processing of the internal teeth of the pin housing is inaccurate.
Disclosure of utility model
The application aims to provide a universal pin gear shell internal tooth chamfering tool, which aims to solve the problems that the position error between a semicircular pin hole of a pin gear shell and the outer circle of the pin gear shell is large, the positioning accuracy is low by using a chuck and a positioning pin, and the chamfering processing of the pin gear shell internal tooth is inaccurate.
The application provides a universal pin gear housing internal tooth chamfering tool, which adopts the following technical scheme:
The utility model provides a general needle tooth shell internal tooth chamfer frock, includes the fixing base, be provided with the mount that extends on the fixing base, be provided with the positioning mechanism one of laying the needle tooth shell on the mount, positioning mechanism one contacts with the surface of needle tooth shell, be provided with the mount pad on the fixing base, be provided with positioning mechanism two on the mount pad, positioning mechanism two offsets with the inside wall of needle tooth shell, be provided with the clamping mechanism who contacts with needle tooth shell top on the mount, be provided with the stop gear of restriction positioning mechanism two positions on the mount pad.
Through adopting above-mentioned technical scheme, carry out preliminary location through setting up the positioning mechanism one pair of needle tooth shell on the mount, confirm the mounted position of needle tooth shell, positioning mechanism two offsets with the inside wall of needle tooth shell, confirms the guiding position of positioning mechanism two through stop gear, can coarse orientation, easily put into the part. After the limiting mechanism retracts, the positioning mechanism II continues to open, the pin gear shell is further positioned through the pin hole wall of the positioning pin gear shell, then the pin gear shell is clamped and fixed by the clamping mechanism arranged on the fixing frame, the pin gear shell is prevented from being separated from the positioning mechanism when the internal tooth chamfering is carried out, then the positioning mechanism II retracts, a processing space is reserved for a cutter, and then the internal tooth of the pin gear shell is chamfered through the internal tooth chamfering cutter on the machine tool.
Optionally, the first positioning mechanism comprises a supporting block, a groove is formed in the upper portion of the fixing frame, an installation block is arranged in the groove, the supporting block is detachably arranged on the installation block, and a positioning groove which is in contact with the side wall of the needle gear shell is formed in the supporting block.
Through adopting above-mentioned technical scheme, can dismantle the installation piece that sets up on supporting shoe and the mount recess and be connected, the constant head tank that sets up on through the supporting shoe contacts with the needle tooth shell lateral wall, supports and preliminary coarse positioning to the needle tooth shell, confirms the lay position of needle tooth shell on the fixing base, avoids the needle tooth shell to lead to appearing great error to the processing of needle tooth shell internal tooth chamfer because of the mistake of lay position, causes the damage to the needle tooth shell, can change the supporting shoe when processing the needle tooth shell of other models simultaneously, fixes a position new needle tooth shell.
Optionally, the second positioning mechanism comprises a first driving member, the first driving member is arranged on the mounting seat, mounting plates are arranged on driving rods at two ends of the first driving member, the first driving member drives the mounting plates to move along the direction of the mounting seat, mounting grooves are formed in the two mounting plates, and positioning blocks which are in contact with the inner side walls of the needle gear shells can be detachably arranged in the mounting grooves.
Through adopting above-mentioned technical scheme, remove with the actuating lever drive mounting panel at one both ends of driving piece to make the locating piece that sets up on the mounting panel contact needle tooth shell inside wall, carry out further location to needle tooth shell, reduce needle tooth shell's positioning error. The locating piece can be dismantled and set up in the mounting groove of mounting panel, need carry out chamfer processing to other needle tooth shell internal tooth, can demolish the locating piece from the mounting groove of mounting panel fast and change, conveniently fix a position new needle tooth shell.
Optionally, a positioning piece is arranged on the positioning piece, and the positioning piece is propped against the inner side wall of the semicircular pin hole on the needle gear shell.
Through adopting above-mentioned technical scheme, set up the setting element on the locating piece, offset through the inside wall of semicircle pinhole on setting element and the needle tooth shell, carry out further location to the needle tooth shell, confirm the position of needle tooth shell, prevent that the needle tooth shell from not being positioned completely under the support location of supporting shoe, the processing of semicircle pinhole on the inside wall of needle tooth shell produces the error, causes the damage to the internal tooth of needle tooth shell.
Optionally, the two ends of the first driving piece are provided with supporting rods, and the supporting rods are propped against one side of the mounting plate, which is close to the first driving piece, when the first driving piece drives the mounting plate to be close to the first driving piece.
Through adopting above-mentioned technical scheme, set up the bracing piece at the both ends of driving piece one, support the mounting panel that is close to driving piece one, prevent that the mounting panel from producing the collision with driving piece one, restrict the position of mounting panel simultaneously, shorten the mounting panel and move to the time of needle tooth shell inside wall at every turn, make positioning mechanism two can accomplish the further location to the needle tooth shell rapidly.
Optionally, stop gear includes driving piece two, the both ends of mount pad are provided with the support frame, driving piece two sets up in the support frame one side of keeping away from the mounting panel, driving piece two's actuating lever passes the support frame and offsets with the side of mounting panel.
Through adopting above-mentioned technical scheme, set up support frame and driving piece three at the both ends of mount pad, offset with the mounting panel through the actuating lever of driving piece three, spacing to the mounting panel, the locating piece and the semicircle pinhole of locating piece and needle tooth shell on the messenger's mounting panel keep certain clearance for pinhole and locating piece have sufficient clearance during the installation, play installation direction function, be convenient for the clamping and can coarse orientation, can not top the pinhole when preventing the accurate positioning, cause the influence to subsequent processing and the installation of needle tooth shell.
Optionally, the clamping mechanism includes driving piece three, driving piece three sets up in the mount top, be provided with the fixed plate that offsets with needle tooth shell top on driving piece three's the actuating lever.
Through adopting above-mentioned technical scheme, driving piece three drives the fixed plate and rotates after the needle tooth shell location is accomplished, rotates the needle tooth shell top with the fixed plate, and then driving piece three drives the fixed plate and moves down and compress tightly the needle tooth shell, prevents that the needle tooth shell from moving up and down in positioning mechanism one and positioning mechanism two, produces the influence to the chamfer processing of needle tooth shell internal tooth.
Optionally, a fixed slot corresponding to the side wall of the needle gear case is clamped below the fixed plate, and an elastic piece is arranged between the driving rod of the third driving piece and the fixed plate.
Through adopting above-mentioned technical scheme, through the fixed slot of seting up of fixed plate below, prevent that the needle tooth shell from producing the rotation in-process intermediate pressure board from producing, lead to the fact the damage to needle tooth shell surface, after needle tooth shell internal tooth chamfer processing is accomplished, three drive fixed plates of driving piece loosen the needle tooth shell, and the elastic component promotes the fixed plate and keeps away from needle tooth shell fast, and then three rotation fixed plates of driving piece leave needle tooth shell top, avoid the fixed plate to rotate on needle tooth shell upper surface, lead to the fact the damage to needle tooth shell's surface.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The supporting block is detachably connected with the mounting block arranged in the groove on the fixing frame, the pin gear shell is supported and roughly positioned preliminarily through the positioning groove arranged on the supporting block, the placement position of the pin gear shell on the fixing seat is determined, the pin gear shell is prevented from being damaged due to large errors in machining of the internal tooth chamfer of the pin gear shell caused by errors in placement position, and meanwhile the supporting block can be replaced when the pin gear shell of other types is machined, so that the new pin gear shell is positioned;
2. The driving rod at one end of the driving piece drives the mounting plate to move, so that the positioning block arranged on the mounting plate contacts with the inner side wall of the needle gear shell, the needle gear shell is further positioned, and the positioning error of the needle gear shell is reduced. The positioning block is detachably arranged in the mounting groove of the mounting plate, and when chamfering is needed to be carried out on the inner teeth of other pin gear shells, the positioning block can be rapidly removed from the mounting groove of the mounting plate for replacement, so that the new pin gear shells can be conveniently and accurately positioned;
3. the two ends of the mounting seat are provided with the supporting frame and the driving part III, the driving rod of the driving part III is propped against the mounting plate to limit the mounting plate, so that a certain gap is kept between the positioning block and the positioning part on the mounting plate and the semicircular pin hole of the needle gear shell, the coarse positioning angle of the needle gear shell is convenient, the angle is not aligned when the needle gear shell is prevented from being mounted, the positioning part stretches out and can not prop up the pin hole, the positioning angle of the needle gear shell is wrong, and the subsequent processing and mounting of the needle gear shell are affected.
Drawings
Fig. 1 is an overall schematic diagram of a universal pin housing internal tooth chamfering tool.
Fig. 2 is a partial cross-sectional view of a universal pin housing internal tooth chamfer tooling.
Fig. 3 is a partial enlarged view of a in fig. 2.
In the figure, 1, a fixing seat, 11, a fixing frame, 111, a groove, 112, a mounting block, 12, a mounting seat, 121, a supporting frame, 2, a needle gear shell, 21, a semicircular pin hole, 3, a first positioning mechanism, 31, a supporting block, 311, a positioning groove, 4, a clamping mechanism, 41, a third driving part, 42, a fixing plate, 43, a fixing groove, 44, an elastic part, 5, a second positioning mechanism, 51, a first driving part, 52, a mounting plate, 521, a mounting groove, 53, a positioning block, 54, a positioning part, 55, a supporting rod, 6, a limiting mechanism, 61 and a second driving part.
Detailed Description
The present application will be described in further detail with reference to fig. 1 to 3.
The utility model provides a general needle gear shell internal tooth chamfer frock, refer to fig. 1 and 2, including fixing base 1, fixing base 1 fixes on the lathe, install three mount 11 through the bolt on fixing base 1, set up recess 111 on mount 11, pass through bolt fixed mounting piece 112 in recess 111, the spliced pole is welded in supporting shoe 31 bottom, set up the hole groove corresponding with supporting shoe 31 bottom spliced pole on the mounting piece 112, insert metal supporting shoe 31 on the mounting piece 112, directly extract supporting shoe 31 from the mounting piece 112 when changing supporting shoe 31 and change, set up the constant head tank 311 that contacts with needle gear shell 2 lateral wall on supporting shoe 31, carry out a preliminary coarse positioning to needle gear shell 2 through constant head tank 311 on the supporting shoe 31, set up multiunit screw hole on fixing base 1, can change the position of installing mount 11 and accomplish the coarse positioning to the needle gear shell of equidimension.
Referring to fig. 1 and 2, the mounting seat 12 is fixed on the fixing seat 1 through bolts, the first driving piece 51 is fixed on the mounting seat 12 through bolts, the first driving piece 51 is a two-claw centering cylinder and is connected with a power supply and a control system, the mounting plates 52 are fixed on driving rods at two ends of the two-claw centering cylinder through bolts, the mounting grooves 521 for fixing the positioning blocks 53 are formed above the mounting plates 52, the metal positioning blocks 53 are contacted with the inner side walls of the needle gear shells 2 arranged on the supporting blocks 31, the positioning pieces 54 which are propped against the semicircular pin holes 21 on the inner side walls of the needle gear shells 2 are welded on the positioning blocks 53, the positioning pieces 54 are conical surfaces of which the top ends are part of the positioning blocks 53 and are integrally formed with the metal positioning blocks 53, the positioning blocks 53 and the metal cylinders are driven to move towards two ends through the two-claw centering cylinders, the positioning blocks 53 and the semicircular pin holes 21 in the needle gear shells 2 are fixed in angles, the metal positioning blocks 53 are inserted into the connecting holes formed in the side walls of the mounting grooves 521 through connecting columns welded at the bottoms, the positioning blocks 53 are rapidly detached, and the positioning blocks 53 are positioned in the new needle gear shells 2 according to the requirements of positioning blocks and other positioning needle gear shells 2.
Referring to fig. 1 to 3, the supporting frames 121 are welded at two ends of the mounting base 12, the second driving member 61 is fixed on the side surface of the two supporting frames 121 far away from the first driving member 51 by bolts, the second driving member 61 is a limiting cylinder, the limiting cylinder is connected with a power supply and a control system, the driving force of the limiting cylinder is larger than that of the two-claw centering cylinder, the driving rod of the limiting cylinder abuts against one side of the mounting plate 52 far away from the first driving member 51, after the mounting plate 52 is pushed to a designated position by the first driving member 51, reverse force is applied to the mounting plate 52, so that the positioning block 53 is fixed on the positioning member 54 and the semicircular pin hole 21 on the needle gear shell 2 to keep a gap of 1-2mm, the rough angle fixing and guiding of the needle gear shell 2 are completed, and parts are easy to be mounted. After the parts are put in, the limiting cylinder is retracted, the two-claw centering cylinder serving as the first driving member 51 drives the mounting plate 52, the positioning block 53 and the positioning member 54 finish the fine positioning of the needle gear housing 2, the supporting rods 55 are fixed at the two ends of the first driving member 51 through bolts, and after the needle gear housing 2 is pressed, the first driving member 51 drives the mounting plate 52 to be far away from the needle gear housing 2, so that a space is reserved for a cutter.
Referring to fig. 1 to 3, a third driving member 41 is fixed on three fixing frames 11 by bolts, the third driving member 41 is a corner pressing down cylinder, and is connected with a power supply and a control system, a fixing plate 42 is fixed on a driving rod of the corner pressing down cylinder, the fixing plate 42 is a pressing down plate, a fixing groove 43 corresponding to the side wall of the needle gear case 2 is formed below the pressing down plate, an elastic member 44 is fixedly connected on the driving rod below the pressing down plate, the elastic member 44 is a spring, after the fine positioning of the needle gear case 2 is completed, the corner pressing down cylinder drives the pressing down plate to rotate to the upper side of the needle gear case 2 through the driving rod, then the pressing down cylinder drives the pressing down plate to abut against the upper surface of the needle gear case 2, the side wall of the needle gear case 2 contacts with the fixing groove 43, the spring contracts, after the processing of the needle gear case 2 is completed, the corner pressing down cylinder drives the pressing down plate to loosen the needle gear case 2, the spring resets to jack the pressing down plate away from the needle gear case 2, and then the corner pressing down cylinder drives the pressing down plate to rotate above the needle gear case 2, and abrasion of the needle gear case 2 is prevented from being caused by the pressing down plate when rotating.
The implementation principle of the embodiment of the application is as follows:
The needle gear shell 2 needing to be subjected to internal tooth chamfering is placed in a positioning groove 311 on a supporting block 31, the needle gear shell 2 is supported and roughly positioned by three supporting blocks 31, then a first driving piece 51 drives a mounting plate 52 to approach the needle gear shell 2, a second driving piece 61 is opened, then a positioning piece 54 on a positioning block 53 fixed on the mounting plate 52 abuts against a semicircular pin hole 21 on the inner side wall of the needle gear shell 2, a driving rod of the second driving piece 61 abuts against the mounting plate 52, the mounting plate 52 is limited, the positioning piece 21 and the semicircular pin hole 21 of the needle gear shell 2 keep a certain gap, the angle orientation of the needle gear shell 2 is finished, then the driving piece two retracts the driving rod, the first driving piece 51 drives the mounting plate 52 to continuously move towards the needle gear shell 2, the positioning piece 54 abuts against the semicircular pin hole 21 on the needle gear shell 2, and the fine positioning of the needle gear shell 2 is finished. After the fine positioning of the needle gear shell 2 is finished, the driving part III 41 drives the fixing plate 42 to rotate and press downwards to press and fix the upper surface of the needle gear shell 2, then the driving part I51 drives the mounting plate 52 to be far away from the needle gear shell 2, the positioning block 53 and the positioning part 54 are far away from the needle gear shell 2, a certain distance is kept, and then chamfering of the hole above the semicircular pin hole 21 and chamfering of the hole below the semicircular pin hole are processed at one time through a positive and negative chamfering cutter arranged on a machine tool. After the machining is finished, the third driving part 41 drives the fixing plate 42 to loosen the needle gear shell 2, the elastic part 44 resets to jack the fixing plate 42 away from the upper surface of the needle gear shell 2, then the third driving part 41 drives the fixing plate 42 to rotate away from the upper side of the needle gear shell 2, then the second driving part 61 is opened and stretches out the driving rod, and the first driving part 51 drives the rod decoration 52 to move towards the needle gear shell 2 and enter the coarse orientation position. Taking the machined needle gear housing 2 out, and putting the needle gear housing 2 to be machined. Different supporting blocks 31, positioning blocks 53 and positioning pieces 54 can be prepared for the pin gear shells 2 with different sizes, and the positions of the limiting mechanisms 6 are adjusted, so that a set of jigs can be used for processing different chamfer angles of the pin gear shells 2, the pin gear shells 2 can be used for completely positioning the pin holes, the reference circle center of the pin holes and the angular direction of the pin holes can be directly positioned, the positioning precision of the pin gear shells 2 is improved, and the chamfer angle processing of the inner teeth of the pin gear shells 2 is more accurate.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, wherein like reference numerals are used to refer to like elements throughout. Therefore, all equivalent changes according to the structure, shape and principle of the present application should be covered in the protection scope of the present application.
Claims (8)
1. The utility model provides a general needle gear shell internal tooth chamfer frock, includes fixing base (1), its characterized in that is provided with mount (11) that extend on fixing base (1), be provided with positioning mechanism one (3) of laying needle gear shell (2) on mount (11), positioning mechanism one (3) are contacted with the surface of needle gear shell (2), be provided with mount pad (12) on fixing base (1), be provided with positioning mechanism two (5) on mount pad (12), positioning mechanism two (5) offset with the inside wall of needle gear shell (2), be provided with clamping mechanism (4) that contact with needle gear shell (2) top on mount (11), be provided with stop gear (6) of restriction positioning mechanism two (5) position on mount pad (12).
2. The universal pin gear shell internal tooth chamfering tool as set forth in claim 1, wherein the first positioning mechanism (3) comprises a supporting block (31), a groove (111) is formed above the fixing frame (11), a mounting block (112) is arranged in the groove (111), the supporting block (31) is detachably arranged on the mounting block (112), and a positioning groove (311) which is in contact with the side wall of the pin gear shell (2) is formed in the supporting block (31).
3. The universal pin gear shell internal tooth chamfering tool as set forth in claim 1, wherein the positioning mechanism II (5) comprises a first driving piece (51), the first driving piece (51) is arranged on the mounting seat (12), mounting plates (52) are arranged on driving rods at two ends of the first driving piece (51), the first driving piece (51) drives the mounting plates (52) to move along the direction of the mounting seat (12), mounting grooves (521) are formed in two mounting plates (52), and positioning blocks (53) which are in contact with the inner side walls of the pin gear shells (2) are detachably arranged in the mounting grooves (521).
4. The universal pin gear housing internal tooth chamfering tool as set forth in claim 3, wherein the positioning block (53) is provided with a positioning piece (54), and the positioning piece (54) is abutted against the inner side wall of the semicircular pin hole (21) on the pin gear housing (2).
5. The universal pin gear housing internal tooth chamfering tool as set forth in claim 3, wherein support rods (55) are arranged at two ends of the first driving piece (51), and the support rods (55) are abutted against one side of the mounting plate (52) close to the first driving piece (51) when the first driving piece (51) drives the mounting plate (52) close to the first driving piece (51).
6. The universal pin gear shell internal tooth chamfering tool as set forth in claim 1, wherein the limiting mechanism (6) comprises a second driving member (61), two ends of the mounting seat (12) are provided with supporting frames (121), the second driving member (61) is arranged on one side, far away from the mounting plate (52), of the supporting frames (121), and a driving rod of the second driving member (61) penetrates through the supporting frames (121) to abut against the side face of the mounting plate (52).
7. The universal pin gear housing internal tooth chamfering tool as set forth in claim 1, wherein the clamping mechanism (4) comprises a driving piece III (41), the driving piece III (41) is arranged above the fixing frame (11), and a fixing plate (42) propped against the upper side of the pin gear housing (2) is arranged on a driving rod of the driving piece III (41).
8. The universal pin gear housing internal tooth chamfering tool as set forth in claim 7, wherein a fixing groove (43) corresponding to the side wall of the pin gear housing (2) is clamped below the fixing plate (42), and an elastic piece (44) is arranged between the driving rod of the driving piece III (41) and the fixing plate (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422716177.3U CN223572136U (en) | 2024-11-08 | 2024-11-08 | A general-purpose needle tooth housing internal tooth chamfering tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422716177.3U CN223572136U (en) | 2024-11-08 | 2024-11-08 | A general-purpose needle tooth housing internal tooth chamfering tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223572136U true CN223572136U (en) | 2025-11-21 |
Family
ID=97717436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422716177.3U Active CN223572136U (en) | 2024-11-08 | 2024-11-08 | A general-purpose needle tooth housing internal tooth chamfering tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223572136U (en) |
-
2024
- 2024-11-08 CN CN202422716177.3U patent/CN223572136U/en active Active
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