Carbon commutator stamping and bending device

Abstract

The utility model relates to a kind of carbon commutator punch bending device, including base, punch mechanism is arranged on base, clamping positioning mechanism includes support, punch clamping seat, elastic chuck, movable sleeve and drive motor, punch clamping seat inside is equipped with accommodating cavity, threaded column is set in accommodating cavity, threaded column is rotated by drive motor drive, accommodating cavity upper end is equipped with locating port, support convex ring is equipped in the locating port where punch clamping seat top, elastic chuck is set on the upper end of locating port inner wall, movable sleeve is set on the lower end of locating port inner wall, the inner wall of movable sleeve upper end is set of conical surface and cooperates with the conical surface outer wall of elastic chuck, movable sleeve lower end is set on threaded column and is screw connection with it, so that threaded column rotates and drives movable sleeve to rise after extruding elastic chuck, so that elastic chuck is shrunk after clamping and fixing carbon commutator, carbon commutator side wall can be uniformly stressed, effectively improve clamping efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to carbon commutator processing technical field, especially relates to a carbon commutator stamping and bending device. BACKGROUND

[0002] Carbon commutator is a kind of commonly used commutator, compared with traditional commutator has not easily be corroded by alcohol, high lubrication etc. Carbon commutator needs to be punched and bent into hook shape to copper commutator sheet during generation processing. Prior art CN201921628084.8 discloses a kind of special automatic bending tool for carbon commutator, the commutator sheet of carbon commutator is first bent and then formed by using clamping mechanism cooperation stamping mechanism in this application, two clamping arms are used in the clamping mechanism to clamp and fix the side of carbon commutator, the clamping and fixing effect of this clamping mechanism is relatively general, when clamping, the force can only act on the two sides of carbon commutator, uneven stress is easy to damage carbon commutator. In the bending mechanism, two stamping blocks are in turn stamped, since the commutator sheet of carbon commutator does not have corresponding supporting positioning structure, too small bending radius can cause excessive stretching on the outside and easily appear cracking and other problems. SUMMARY

[0003] The utility model discloses a kind of carbon commutator stamping and bending devices for the above problems, solve the problem that the bending device in prior art exists relatively poor clamping and bending effect.

[0004] The specific technical solutions are as follows:

[0005] The utility model provides a kind of carbon commutator punch bending device, including base, which is provided with punch mechanism, two punch heads one and punch head two distributed left and right are equipped in punch mechanism, the bottom end side wall of punch head one is tapered and is contracted, and the bottom of punch head two is equipped with punch groove;The middle part of base is equipped with rotary disc, and rotary disc is driven to rotate by motor arranged in base, and a plurality of clamping positioning mechanisms are evenly distributed and arranged on rotary disc along circumference, wherein the position of two clamping mechanisms is always corresponded with the position of punch head one and punch head two respectively, and the clamping positioning mechanism includes support, punch clamping seat, elastic chuck, movable sleeve and drive motor, and punch clamping seat is arranged on rotary disc by support, and punch clamping seat is equipped with accommodating cavity inside, and threaded column for supporting carbon commutator is vertically arranged in accommodating cavity, and threaded column bottom penetrates punch clamping seat and is driven to rotate by drive motor arranged in support, and the upper end of accommodating cavity is provided with positioning opening for placing carbon commutator, and a circle of support convex ring is arranged at the position of positioning opening on the top of punch clamping seat, and the side wall of support convex ring is tapered and is arranged and cooperates with the punch groove of the bottom of punch head two;The upper end of the inner wall of positioning opening is provided with elastic chuck, and the lower end of the inner wall of positioning opening is provided with movable sleeve, and movable sleeve is vertically slidably arranged in accommodating cavity by a plurality of guide rods, and the inner wall of the upper end of movable sleeve is tapered and cooperates with the tapered outer wall of elastic chuck, and movable sleeve lower end is sleeved on threaded column and is threadedly connected, so that threaded column rotates and drives movable sleeve to rise and extrude elastic chuck, so that elastic chuck is shrunk and clamps and fixes carbon commutator.

[0006] Preferably, the positioning opening is narrow at the upper end and wide at the lower end, a circle of convex strip structure is arranged on the inner wall of the upper end of the positioning opening, the convex strip structure is embedded in the groove on the outer wall of the elastic chuck, and the elastic chuck is horizontally rotatably connected to the positioning opening.

[0007] Preferably, the inner diameter of the upper end of the positioning opening is greater than the diameter of the carbon commutator.

[0008] Preferably, the movable sleeve includes a sleeve part and a sliding block part, the sleeve part is a hollow ring structure and is arranged at the top center of the sliding block part, the upper end of the sleeve part is embedded into the lower end of the positioning opening, the inner wall of the sleeve part is tapered and fits the tapered side wall of the elastic chuck, the sliding block part is threadedly connected to the threaded column, guide rods are vertically arranged around the sliding block part, and the upper and lower ends of the guide rods are fixedly connected to the inner walls of the two ends of the accommodating cavity.

[0009] Preferably, the threaded column bottom plate is provided with a rotating shaft, the rotating shaft is rotatably connected to the bottom end of the punch clamping seat through a support bearing, and the top center of the threaded column is provided with a positioning rod for penetrating the center of the carbon commutator.

[0010] Preferably, the top edge of the positioning rod is chamfered.

[0011] Preferably, the stamping mechanism comprises a stamping support, a driving cylinder and a lifting plate, the bottom end of the stamping support is fixed on the base, the driving cylinder is longitudinally arranged on the top of the stamping support, the bottom piston rod of the driving cylinder is horizontally connected with the lifting plate, the lifting plate is longitudinally penetrated by two stamping rods respectively at both ends, the upper ends of the two stamping rods are longitudinally penetrated through the stamping support, and the lower ends of the two stamping rods are respectively provided with a stamping head one and a stamping head two.

[0012] The utility model discloses the beneficial effect lies in:

[0013] Compared with the prior art, the utility model discloses the combination of clamping mechanism and stamping seat, and the elastic chuck is extruded after the rotation of the support column driven by the driving motor and the rising of the movable sleeve in the stamping clamping seat, so that the elastic chuck is utilized to clamp and position the carbon commutator, the side wall of the carbon commutator can be uniformly stressed, and the clamping efficiency is effectively improved.

[0014] The utility model discloses the stamping clamping seat top sets a circle of support convex ring for the stamping groove of cooperation stamping head, thereby when stamping bending forming can support the bottom of the bending claw, avoid bending radius too small, thereby guarantee the bending quality. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model.

[0016] Figure 2 It is the internal structure schematic diagram of the clamping mechanism in the utility model.

[0017] Figure 3 It is the structural schematic diagram when the carbon commutator is placed in the clamping mechanism in the utility model.

[0018] Figure 4 It is the structural schematic diagram when the carbon commutator is stamped in the utility model.

[0019] BRIEF DESCRIPTION OF DRAWINGS: base 1, carousel 11, stamping support 21, driving cylinder 22, lifting plate 23, stamping rod 24, stamping head one 25, stamping head two 26, stamping groove 261, support 31, stamping clamping seat 32, containing cavity 320, positioning mouth 321, convex strip structure 322, support convex ring 323, elastic chuck 33, movable sleeve 34, sleeve joint part 341, sliding block part 342, threaded support column 35, rotating shaft 351, positioning rod 352, support bearing 353, guide rod 36, driving motor 37, carbon commutator 4, commutating sheet 41. DETAILED DESCRIPTION

[0020] For the technical scheme of the utility model is more clear and definite, the utility model is further described below in combination with the drawings, any equivalent replacement and conventional reasoning of the technical features of the technical scheme of the utility model falls into the protection scope of the utility model. The fixed connection and fixed setting mentioned in the utility model are general connection modes in the mechanical field, and welding, bolt and nut connection and screw connection are all available.

[0021] In the description of the utility model creation, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model creation and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0022] Please refer to the accompanying Figures 1-4 The embodiment provides a carbon commutator stamping and bending device, which comprises a base 1, a stamping mechanism is arranged on the base 1, two stamping heads one 25 and two 26 distributed left and right are arranged in the stamping mechanism, the bottom end side wall of the stamping head one 25 is arranged in a taper face contraction mode, and the stamping head two 26 is provided with a stamping groove 261 in the bottom; a rotating disc 11 is arranged in the middle of the base 1, the rotating disc 11 is driven to rotate by a motor (not shown in the figure) arranged in the base 1, a plurality of clamping positioning mechanisms are uniformly and circumferentially arranged on the rotating disc 11, and the positions of two clamping mechanisms always correspond to the positions of the stamping head one 25 and the stamping head two 26 respectively.

[0023] The clamping positioning mechanism comprises a support 31, a punching clamping seat 32, an elastic clamp 33, a movable sleeve 34 and a driving motor 37. The punching clamping seat 32 is arranged on the rotating disc 11 through the support 31. The punching clamping seat 32 is internally provided with a containing cavity 320. A threaded support column 35 for supporting the carbon commutator 4 is longitudinally arranged in the containing cavity 320. The threaded support column 35 penetrates through the punching clamping seat 32 at the bottom and is driven to rotate by the driving motor 37 arranged in the support 31. A positioning opening 321 for placing the carbon commutator 4 is formed at the upper end of the containing cavity 320. A supporting convex ring 323 is arranged at the top of the punching clamping seat 32 at the position of the positioning opening 321. The side wall of the supporting convex ring 323 is arranged in an inclined surface and is matched with the punching groove 261 at the bottom of the punching head two 26. An elastic clamp is arranged on the inner wall of the upper end of the positioning opening 321. A movable sleeve 34 is arranged on the inner wall of the lower end of the positioning opening 321. The movable sleeve 34 is longitudinally slidably arranged in the containing cavity 320 through a plurality of guide rods 36. The inner wall of the upper end of the movable sleeve 34 is arranged in a conical surface and is matched with the conical outer wall of the elastic clamp. The lower end of the movable sleeve 34 is sleeved on the threaded support column 35 and is threadedly connected with the threaded support column 35. When the threaded support column 35 is rotated and drives the movable sleeve 34 to rise, the elastic clamp 33 is extruded, so that the elastic clamp is contracted to clamp and fix the carbon commutator.

[0024] In the embodiment, the positioning opening 321 is arranged in a structure of being narrow at the upper end and wide at the lower end. The inner diameter of the upper end of the positioning opening 321 is greater than the diameter of the carbon commutator. The maximum inner diameter of the elastic clamp 33 is not less than the inner diameter of the upper end of the positioning opening 321. A ring of convex strip structures 322 is arranged on the inner wall of the upper end of the positioning opening 321. The convex strip structures 322 are embedded in the grooves on the outer wall of the elastic clamp 33, so as to realize the horizontal rotary connection between the elastic clamp 33 and the positioning opening 321.

[0025] In the embodiment, the movable sleeve 34 comprises a sleeve joint part 341 and a sliding block part 342. The sleeve joint part 341 is arranged in a hollow ring structure and is arranged at the top center of the sliding block part 342. The upper end of the sleeve joint part 341 is embedded into the lower end of the positioning opening 321. The inner wall of the sleeve joint part 341 is arranged in a conical surface and is matched with the conical side wall of the elastic clamp. The sliding block part 342 is threadedly connected with the threaded support column 35. A plurality of guide rods 36 are longitudinally arranged at the four sides of the sliding block part 342. The upper and lower ends of the guide rods 36 are fixedly connected with the inner walls at the two ends of the containing cavity 320.

[0026] In the embodiment, the threaded support column 35 is provided with a rotating shaft 351. The rotating shaft 351 is rotatably connected with the bottom end of the punching clamping seat 32 through a supporting bearing 353. The upper end of the threaded support column 35 extends into the positioning opening 321 and supports the bottom of the carbon commutator arranged in the positioning opening 321. The top center of the threaded support column 35 is provided with a positioning rod 352 for penetrating through the center of the carbon commutator. The top edge of the positioning rod 352 is arranged in a chamfered structure, so as to be embedded into the center hole of the carbon commutator to realize positioning.

[0027] In the embodiment, the stamping mechanism comprises a stamping support 21, a driving cylinder 22 and a lifting plate 23, the bottom end of the stamping support 21 is fixed on the base 1, the driving cylinder 22 is longitudinally arranged on the top of the stamping support 21, the bottom piston rod of the driving cylinder 22 is horizontally connected with the lifting plate 23, the lifting plate 23 is longitudinally penetrated by two stamping rods 24 at two ends respectively, the upper ends of the two stamping rods 24 are longitudinally penetrated through the stamping support 21 and guided, and the lower ends of the two stamping rods 24 are respectively provided with a stamping head one 25 and a stamping head two 26.

[0028] The utility model discloses a work, through manual need bending processing's carbon commutator is placed in the stamping clamping seat positioning mouth, subsequently drive motor starts and drives the column rotation, and makes the movable sleeve rise and extrudes the elastic chuck, utilizes the elastic chuck to clamp the positioning of carbon commutator, when the two stamping clamping seats on the carousel rotate to the just below stamping head one and stamping head two stop, subsequently the driving cylinder in the stamping mechanism drives the lifting plate to descend, makes the stamping head one and stamping head two at the both ends of lifting plate respectively carry out the stamping treatment, stamping head one bends the commutator sheet 41 of carbon commutator to the inclined structure at this time, resets, subsequently this carbon commutator turns to the below stamping head two, and the stamping of stamping head two bottom cooperates with the support convex ring and further bends into the hook shape to the inclined commutator sheet, finally the elastic chuck loosens and takes down carbon commutator, completes the stamping bending procedure of carbon commutator.

[0029] The above, only for the preferred specific embodiment of the utility model, but the protection scope of the utility model does not limit to this, any familiar with the technical field of the technical personnel in the utility model discloses the technical range, can easily think of the change or replacement in the utility model, all should cover in the protection scope of the utility model. Therefore, the protection scope of the utility model should be the protection scope of claim book.

Claims

1. A carbon commutator stamping and bending device, comprising a base (1), wherein a stamping mechanism is provided on the base (1), and the stamping mechanism is provided with two stamping heads, a first stamping head (25) and a second stamping head (26), which are distributed left and right. The bottom sidewall of the first stamping head (25) is tapered, and the bottom of the second stamping head (26) is provided with a stamping groove (261); a turntable (11) is provided in the middle of the base (1), and the turntable (11) is driven to rotate by a motor provided in the base (1). A plurality of clamping and positioning mechanisms are evenly distributed along the circumference on the turntable (11); characterized in that, The clamping and positioning mechanism includes a support (31), a stamped clamping seat (32), an elastic chuck (33), a movable sleeve (34), and a drive motor (37). The stamped clamping seat (32) is mounted on the turntable (11) via the support (31). The stamped clamping seat (32) has a receiving cavity (320) inside. A threaded support column (35) for supporting the carbon commutator is longitudinally arranged in the receiving cavity (320). The bottom of the threaded support column (35) passes through the stamped clamping seat (32) and is driven to rotate by the drive motor (37) located in the support. The upper end of the receiving cavity (320) has a positioning port (321) for placing the carbon commutator, and the top of the stamped clamping seat (32) is located at the positioning port (321). A supporting protruding ring (323) is provided at the position. The side wall of the supporting protruding ring (323) is inclined and cooperates with the stamping groove (261) at the bottom of the stamping head. The upper end of the inner wall of the positioning port (321) is provided with the elastic chuck, and the lower end of the inner wall of the positioning port is provided with the movable sleeve (34). The side of the movable sleeve (34) is longitudinally slidably disposed in the accommodating cavity (320) through several guide rods (36). The upper end of the inner wall of the movable sleeve (34) is conical and cooperates with the conical outer wall of the elastic chuck. The lower end of the movable sleeve (34) is sleeved on the threaded support and threadedly connected to it, so that the threaded support rotates and drives the movable sleeve to rise and squeeze the elastic chuck (33), so that the elastic chuck contracts and clamps and fixes the carbon commutator.

2. The carbon commutator stamping and bending device as described in claim 1, characterized in that, The positioning port (321) has a narrow upper part and a wide lower part. A raised strip structure (322) is provided on the inner wall of the upper end of the positioning port (321). The raised strip structure (322) is fitted into the groove on the outer wall of the elastic clamp (33) to realize the horizontal rotational connection between the elastic clamp (33) and the positioning port (321).

3. The carbon commutator stamping and bending device as described in claim 1, characterized in that, The movable sleeve (34) includes a sleeve part (341) and a slider part (342). The sleeve part (341) has a hollow ring structure and is located at the top center of the slider part (342). The upper end of the sleeve part (341) is embedded into the lower end of the positioning port (321). The inner wall of the sleeve part (341) is set in a conical shape and fits against the conical side wall of the elastic clamp. The middle part of the slider part (342) is sleeved on the threaded support (35) and threadedly connected to it. Guide rods (36) are longitudinally arranged around the slider part (342). The upper and lower ends of the guide rods (36) are fixedly connected to the inner walls of the two ends of the accommodating cavity (320).

4. The carbon commutator stamping and bending device as described in claim 3, characterized in that, The bottom plate of the threaded support (35) is provided with a rotating shaft (351), which is rotatably connected to the bottom end of the stamping clamp (32) through a support bearing (353); the top center of the threaded support (35) is provided with a positioning rod (352) for penetrating the center of the carbon commutator.

5. The carbon commutator stamping and bending device as described in claim 4, characterized in that, The top edge of the positioning rod (352) is chamfered.

6. The carbon commutator stamping and bending device as described in claim 1, characterized in that, The stamping mechanism includes a stamping bracket (21), a drive cylinder (22), and a lifting plate (23). The bottom end of the stamping bracket (21) is fixed on the base (1). The drive cylinder (22) is longitudinally arranged on the top of the stamping bracket (21). The piston rod at the bottom of the drive cylinder (22) is horizontally connected to the lifting plate (23). Stamping rods are longitudinally arranged through both ends of the lifting plate (23). The upper ends of the two stamping rods (24) are longitudinally arranged through the stamping bracket (21). The lower ends of the two stamping rods (24) are respectively provided with a stamping head one (25) and a stamping head two (26).

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