CN213497901U

CN213497901U - Commutator excircle processing agency

Info

Publication number: CN213497901U
Application number: CN202022360117.4U
Authority: CN
Inventors: 钱程秀; 谢华建; 黄旭环; 关建; 孙正晓
Original assignee: Zhejiang Greatwall Commutator Co ltd
Current assignee: Zhejiang Greatwall Commutator Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-22
Anticipated expiration: 2030-10-21

Abstract

The application relates to the technical field of commutator processing equipment, and discloses a commutator excircle processing mechanism which comprises a positioning sleeve, a material ejecting rod and a commutator main body positioned between the positioning sleeve and the material ejecting rod, wherein the commutator main body is used for turning an excircle through an excircle cutter, an excircle turning mandrel penetrating through the side wall of a supporting seat is rotationally connected in the supporting seat, the side wall of the excircle turning mandrel is equidistantly provided with a plane extending along the length direction of the excircle turning mandrel, the positioning sleeve is sleeved on the excircle turning mandrel, and the excircle turning mandrel is inserted into the axis of the commutator main body; the positioning sleeve is provided with a material clamping needle for positioning the commutator body. The application has the following advantages and effects: the cylindrical mandrel is turned to keep the commutator main body in a horizontal state all the time, the clamping connection of the material clamping needle and the commutator main body is further arranged, the positioning sleeve rotates to drive the commutator main body to rotate, meanwhile, the horizontal positioning of the commutator main body is assisted, the cylindrical mandrel is guaranteed, and the quality of the machined commutator is improved.

Description

Commutator excircle processing agency

Technical Field

The application relates to the technical field of commutator processing equipment, in particular to a commutator excircle processing mechanism.

Background

Currently, in the commutator industry, machining of the outer circle of a commutator is an important process in the commutator production process. Whether the machining quality of the excircle of the commutator is qualified or not directly influences the quality of a final finished product; in the traditional production, a positioning sleeve and a material ejecting rod are respectively abutted against two sides of a commutator, the positioning sleeve and the material ejecting rod synchronously rotate to drive the commutator to rotate, at the moment, a circle cutting knife arranged perpendicular to the side wall of the commutator horizontally moves, and the outer circle of the side wall of the commutator in rotation is turned, so that the distance between the side wall of the commutator and the axis is kept consistent.

In the related technology, in the rotating process of the positioning sleeve and the ejector rod, the commutator may incline and cannot rotate coaxially with the positioning sleeve and the ejector rod, so that the excircle turning effect is poor, the quality of the machined commutator is affected, and the improvement is still needed.

SUMMERY OF THE UTILITY MODEL

In order to reach better turning effect, improve the quality of commutator, this application provides a commutator excircle processing agency.

The application provides a commutator excircle processing agency adopts following technical scheme:

a commutator excircle processing mechanism comprises a positioning sleeve, a commutator main body and a material ejecting rod, wherein the positioning sleeve is supported by a supporting seat, the commutator main body is positioned between the positioning sleeve and the material ejecting rod, one side of the commutator main body is provided with an outer circle cutter for turning an excircle, the supporting seat is rotationally connected with an excircle turning mandrel penetrating through the outside of the side wall of the supporting seat, the side wall of the excircle turning mandrel is equidistantly provided with a plane extending along the length direction of the excircle turning mandrel, the positioning sleeve is sleeved on the excircle turning mandrel, and the excircle turning mandrel is inserted into the axial lead of the commutator main body; the positioning sleeve is provided with a positioning structure for positioning the commutator body, and the positioning structure comprises a material clamping needle clamped in the commutator body.

Through adopting above-mentioned technical scheme, when car excircle axle center supports the position sleeve, again through the grafting of turning outer circle axle center and commutator main part axle center department keep the commutator main part to be in the horizontality all the time, further set up the joint of card material needle and commutator main part, when making the position sleeve rotate and drive the commutator main part pivoted, the horizontal location of supplementary commutator main part guarantees the effect of turning the excircle from this, improves the quality of the commutator of processing.

Further: the positioning structure also comprises clamping grooves which are circumferentially arranged at intervals on one side of the commutator main body close to the positioning sleeve, and the material clamping needles are clamped in the clamping grooves; the material clamping needle is movably connected in the positioning sleeve through a mounting structure.

Through adopting above-mentioned technical scheme, card material needle swing joint in position sleeve, when card material needle butt in the one end of commutator main part and when not the joint in the draw-in groove, can provide certain space of stepping down to avoid damaging the commutator main part.

Further: the mounting structure comprises a mounting block, a mounting groove and a mounting spring, the mounting groove is formed in the positioning sleeve and penetrates through one end, far away from the commutator body, of the positioning sleeve, the mounting block is fixed at one end of the material clamping needle and is connected to the mounting groove in a sliding mode, and the mounting block can abut against the side wall of the mounting groove; the end, far away from the commutator main body, of the mounting groove is connected with a bolt in a threaded manner, the mounting spring is accommodated in the mounting groove, one end of the mounting spring abuts against the mounting block, and the other end of the mounting spring abuts against the bolt; one side of the mounting groove, which is far away from the bolt, is provided with a sliding groove which runs through the positioning sleeve, and the material clamping needle is connected with the sliding groove in a sliding manner.

By adopting the technical scheme, the mounting block can limit the material clamping needle by sliding in the mounting groove, so that the material clamping needle is prevented from being separated from the sliding groove; the mounting groove one side runs through the position sleeve, is convenient for place the installation spring and fix a position with the bolt, realizes the elasticity activity of card material needle by the installation spring.

Further: the positioning sleeve is connected to the excircle turning mandrel in a sliding mode through the driving structure and pushes the commutator body to be separated from the excircle turning mandrel.

By adopting the technical scheme, the positioning sleeve is used as the material returning sleeve to push the commutator main body to fall off from the excircle turning mandrel, so that the purpose of blanking is achieved.

Further: the driving structure comprises an air cylinder and a material pushing plate, the air cylinder is fixed on the supporting seat, a driving plate is fixed on a piston rod of the air cylinder, and the material pushing plate is installed on the driving plate through screws and is positioned relative to the positioning sleeve.

By adopting the technical scheme, the material pushing plate is arranged on the drive plate, the sliding of the material pushing plate is driven conveniently through the air cylinder, and the material pushing plate is relatively positioned on the positioning sleeve, so that the sliding of the material pushing plate drives the positioning sleeve to slide and push out of the commutator main body, and the blanking process is realized; and the air cylinder can drive the automatic reset of the material pushing plate and the positioning sleeve.

Further: the driving structure further comprises an annular limiting groove formed in the side wall of the locating sleeve, an arc-shaped groove matched with the limiting groove is formed in the material pushing plate, and the material pushing plate abuts against the two side walls of the limiting groove.

By adopting the technical scheme, when the annular limiting groove enables the material pushing plate to be positioned, the rotation of the excircle turning mandrel is not hindered.

Further: the end side walls of the arc-shaped grooves form round corners.

By adopting the technical scheme, the side wall of the end part of the arc-shaped groove of the material pushing plate forms a fillet, so that the frictional resistance of the material pushing plate which is downwards inserted and positioned in the limiting groove is reduced.

Further: an inserting rod is fixed at one end of the excircle turning mandrel close to the commutator body and is inserted into the axis of the commutator body.

By adopting the technical scheme, the insertion rod is inserted into the commutator body to position the commutator body, so that the commutator body is prevented from inclining in the rotating process.

Further: the end part of the material clamping needle close to the commutator body forms a round angle.

Through adopting above-mentioned technical scheme, the reducible card material needle of fillet that the card material needle formed removes the card and connects in the wearing and tearing that the draw-in groove in-process produced.

Drawings

FIG. 1 is a schematic illustration of an explosive structure according to an embodiment of the present application;

FIG. 2 is a schematic view of a partial explosion structure of the mating connection of the turning mandrel and the locating sleeve of the embodiment of the present application;

FIG. 3 is a partial schematic structural diagram of the material pushing plate, the locating sleeve, the material clamping needle and the commutator body which are matched according to the embodiment of the application;

FIG. 4 is a schematic cross-sectional view of a needle installed in the positioning sleeve according to an embodiment of the present disclosure.

Description of reference numerals: 1. a supporting seat; 2. a positioning sleeve; 3. a commutator body; 4. a material ejection rod; 5. turning an excircle mandrel; 51. inserting a rod; 6. a positioning structure; 61. a material clamping needle; 62. a card slot; 7. a mounting structure; 71. mounting blocks; 72. mounting grooves; 721. a chute; 73. installing a spring; 8. a bolt; 9. a drive structure; 91. a cylinder; 911. a drive plate; 92. a material pushing plate; 921. an arc-shaped slot; 93. a limiting groove; 10. a screw; 11. and (5) an outer circular knife.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses commutator excircle processing agency. Referring to fig. 1, the commutator outer circle machining mechanism comprises a positioning sleeve 2 supported by a supporting seat 1, a commutator main body 3 and a material ejecting rod 4, wherein the commutator main body 3 is positioned between the positioning sleeve 2 and the material ejecting rod 4, and one side of the commutator main body 3 is provided with an outer circle cutter 11 for turning an outer circle.

Referring to fig. 1, 2, 1 internal rotation of supporting seat is connected with wears to locate the outer turning dabber 5 of lateral wall of commutator main part 3 that supporting seat 1 is close to, and the lateral wall equidistance of turning dabber 5 is provided with along the plane that 5 length direction of turning dabber extend, and 2 covers of position sleeve locate on turning dabber 5, through planar setting, make position sleeve 2 on the one hand can rotate along with the rotation of turning dabber 5, and on the other hand does not influence the horizontal slip of 2 relative turning dabbers of position sleeve 5 again.

Referring to fig. 2, a cylindrical insertion rod 51 is fixed at the axis of one end of the excircle turning mandrel 5 close to the commutator body 3, and the insertion rod 51 is inserted and positioned at the axis of the commutator body 3, so that the commutator body 3 is always kept in a horizontal state, and the phenomenon that the excircle turning effect is poor due to inclination in the process of rotating and turning the excircle is avoided.

Referring to fig. 2 and 3, a positioning structure 6 for positioning the commutator body 3 is arranged on the positioning sleeve 2, the positioning structure 6 comprises clamping grooves 62 formed in the commutator body 3 at intervals in the circumferential direction on one side close to the positioning sleeve 2 and material clamping needles 61 installed on the positioning sleeve 2, and two opposite material clamping needles 61 are movably connected at equal intervals at one end of the positioning sleeve 2 close to the commutator body 3; the end part of the material clamping needle 61 close to the commutator body 3 forms a round angle, so that the abrasion of the commutator body 3 in the process that the material clamping needle 61 is movably clamped in the clamping groove 62 is reduced; one end of the material clamping needle 61 is clamped in the clamping groove 62, so that the commutator body 3 can be synchronously driven to rotate by the rotation of the positioning sleeve 2.

Referring to fig. 2 and 4, the other end of the material blocking needle 61 is movably connected in the positioning sleeve 2 through the mounting structure 7, so that when the material blocking needle 61 abuts against one end of the commutator main body 3 and is not clamped in the clamping groove 62, a certain yielding space can be provided, on one hand, damage to the commutator main body 3 is avoided, on the other hand, the material blocking needle 61 is not required to be assisted by hands, and the process of clamping the material blocking needle 61 in the clamping groove 62 is convenient to realize.

Referring to fig. 2 and 4, the mounting structure 7 includes mounting blocks 71, mounting grooves 72 and mounting springs 73, the two mounting grooves 72 are opened at equal intervals and opposite positions in the positioning sleeve 2, the mounting grooves 72 penetrate through one end of the positioning sleeve 2 far away from the commutator body 3, the mounting blocks 71 are fixed at one end of the material clamping needle 61 and are slidably connected in the mounting grooves 72, and the mounting blocks 71 can abut against the side walls of the mounting grooves 72; a bolt 8 is connected to one end of the mounting groove 72 far away from the commutator body 3 in a threaded manner, the mounting spring 73 is accommodated in the mounting groove 72, one end of the mounting spring abuts against the mounting block 71, and the other end of the mounting spring abuts against the bolt 8; one side of the mounting groove 72, which is far away from the bolt 8, is provided with a sliding groove 721 which runs through the positioning sleeve 2, and the material clamping needle 61 is slidably connected to the sliding groove 721, so that the mounting of the material clamping needle 61 in the positioning sleeve 2 is facilitated, and the material clamping needle 61 is prevented from sliding out of the mounting groove 72.

Referring to fig. 1 and 3, the positioning sleeve 2 is driven by the driving structure 9 to slide on the excircle turning mandrel 5, so that the positioning sleeve 2 can push the commutator main body 3 to separate from the excircle turning mandrel 5 and reset, and the positioning sleeve 2 serves as a material returning sleeve to push the commutator main body 3 to fall off from the excircle turning mandrel 5, thereby achieving the purpose of blanking.

Referring to fig. 3, the driving structure 9 includes a cylinder 91 and a material pushing plate 92, the cylinder 91 is fixed above the supporting seat 1, a driving plate 911 is fixed on a piston rod of the cylinder 91, the upper part of the material pushing plate 92 is mounted on the driving plate 911 through a screw 10, and the bottom of the material pushing plate 92 is positioned opposite to the positioning sleeve 2; the cylinder 91 drives the material pushing plate 92 to horizontally move, and the material pushing plate 92 is relatively positioned on the positioning sleeve 2, so that the sliding of the material pushing plate 92 drives the positioning sleeve 2 to slide and push out of the commutator body 3, and the blanking process is realized; and the air cylinder 91 can drive the material pushing plate 92 and the positioning sleeve 2 to automatically reset.

Referring to fig. 3 and 4, the driving structure 9 further includes an annular limiting groove 93 formed in the side wall of the positioning sleeve 2, an arc-shaped groove 921 matching with the limiting groove 93 is formed at the bottom of the material pushing plate 92, and the material pushing plate 92 abuts against the two side walls of the limiting groove 93, so that the material pushing plate 92 and the positioning sleeve 2 are relatively positioned in the horizontal direction; the annular limiting groove 93 does not block the rotation of the excircle turning mandrel 5 when the material pushing plate 92 is positioned; the side walls of the two end portions of the arc-shaped groove 921 form round corners, so that the frictional resistance of the material pushing plate 92 which is downwards inserted and positioned in the limiting groove 93 is reduced.

The implementation principle of the embodiment of the application is as follows:

when the excircle is machined, firstly, the commutator main body 3 and the inserted bar 51 are correspondingly inserted, then the ejector rod 4 pushes the commutator main body 3 to slide towards one side close to the positioning sleeve 2, at the moment, if the clamping groove 62 on the commutator main body 3 does not correspond to the material clamping needle 61, the commutator main body 3 extrudes the material clamping needle 61 under the pushing of the ejector rod 4 to enable the material clamping needle 61 to be accommodated in the sliding groove 721, the commutator main body 3 rotates under the pressure of the ejector rod 4 until the material clamping needle 61 is correspondingly clamped in the clamping groove 62, at the moment, two ends of the commutator main body 3 are respectively abutted against the positioning sleeve 2 and the ejector rod 4, then the excircle mandrel 5 drives the positioning sleeve 2 to rotate to drive the commutator main body 3 to rotate, and the excircle of the commutator main body 3 is machined by the excircle cutter 11 which moves horizontally.

After the excircle is machined, the cylinder 91 pushes the material pushing plate 92 to move towards the direction far away from the supporting seat 1, the positioning sleeve 2 is synchronously driven to slide by the cooperation of the material pushing plate 92 and the limiting groove 93, so that the commutator main body 3 is pushed out from the excircle turning mandrel 5 to complete blanking, and then the cylinder 91 drives the material pushing plate 92 and the positioning sleeve 2 to reset, and then the next machining is carried out.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a commutator excircle processing agency, includes position sleeve (2), commutator main part (3) and liftout stick (4) that are supported by supporting seat (1), and commutator main part (3) are located between position sleeve (2) and liftout stick (4), and one side of commutator main part (3) is equipped with outer circular knife (11) that are used for the turning excircle, its characterized in that: the outer circle turning mandrel is characterized in that an outer circle turning mandrel (5) penetrating through the outer side wall of the supporting seat (1) is connected in the supporting seat (1) in a rotating mode, planes extending along the length direction of the outer circle turning mandrel (5) are arranged on the side wall of the outer circle turning mandrel (5) at equal intervals, the positioning sleeve (2) is sleeved on the outer circle turning mandrel (5), and the outer circle turning mandrel (5) is inserted into the axial lead of the commutator body (3); the positioning structure (6) for positioning the commutator body (3) is arranged on the positioning sleeve (2), and the positioning structure (6) comprises a material clamping needle (61) clamped on the commutator body (3).

2. The commutator outer circle machining mechanism according to claim 1, characterized in that: the positioning structure (6) further comprises clamping grooves (62) which are formed in the commutator main body (3) and close to one side of the positioning sleeve (2) at intervals in the circumferential direction, and the material clamping needles (61) are clamped in the clamping grooves (62); the material clamping needle (61) is movably connected in the positioning sleeve (2) through a mounting structure (7).

3. The commutator cylindrical machining mechanism of claim 2, wherein: the mounting structure (7) comprises a mounting block (71), a mounting groove (72) and a mounting spring (73), the mounting groove (72) is formed in the positioning sleeve (2) and penetrates through one end, far away from the commutator body (3), of the positioning sleeve (2), the mounting block (71) is fixed at one end of the material clamping needle (61) and is connected to the mounting groove (72) in a sliding mode, and the mounting block (71) can abut against the side wall of the mounting groove (72); a bolt (8) is connected to one end, far away from the commutator body (3), of the mounting groove (72) in a threaded manner, the mounting spring (73) is accommodated in the mounting groove (72), one end of the mounting spring abuts against the mounting block (71), and the other end of the mounting spring abuts against the bolt (8); one side of the mounting groove (72) far away from the bolt (8) is provided with a sliding groove (721) penetrating through the positioning sleeve (2), and the material clamping needle (61) is connected to the sliding groove (721) in a sliding mode.

4. The commutator outer circle machining mechanism according to claim 1, characterized in that: the positioning sleeve (2) is connected to the excircle turning mandrel (5) in a sliding mode through the driving structure (9) and pushes the commutator body (3) to be separated from the excircle turning mandrel (5).

5. The commutator outer circle machining mechanism according to claim 4, characterized in that: the driving structure (9) comprises an air cylinder (91) and a material pushing plate (92), the air cylinder (91) is fixed on the supporting seat (1), a driving plate (911) is fixed on a piston rod of the air cylinder (91), and the material pushing plate (92) is installed on the driving plate (911) through a screw (10) and is positioned relative to the positioning sleeve (2).

6. The commutator outer circle machining mechanism according to claim 5, characterized in that: the driving structure (9) further comprises an annular limiting groove (93) which is formed in the side wall of the positioning sleeve (2), an arc-shaped groove (921) matched with the limiting groove (93) is formed in the material pushing plate (92), and the material pushing plate (92) abuts against the two side walls of the limiting groove (93).

7. The commutator outer circle machining mechanism according to claim 6, characterized in that: the end side walls of the arc-shaped grooves (921) form rounded corners.

8. The commutator outer circle machining mechanism according to claim 1, characterized in that: an inserting rod (51) is fixed at one end, close to the commutator body (3), of the excircle turning mandrel (5), and the inserting rod (51) is inserted into the axial lead of the commutator body (3).

9. The commutator outer circle machining mechanism according to claim 1, characterized in that: the end part of the material clamping needle (61) close to the commutator body (3) forms a round angle.