CN211866251U - Special automatic frock of bending of carbon commutator - Google Patents
Special automatic frock of bending of carbon commutator Download PDFInfo
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- CN211866251U CN211866251U CN201921628084.8U CN201921628084U CN211866251U CN 211866251 U CN211866251 U CN 211866251U CN 201921628084 U CN201921628084 U CN 201921628084U CN 211866251 U CN211866251 U CN 211866251U
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- stamping
- punching press
- punching
- commutator
- turntable
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Abstract
An automatic bending tool special for a carbon commutator comprises a base, a punching mechanism and a clamping mechanism, wherein a driving motor is arranged in the base, a turntable is arranged on the base in a rotating mode, a plurality of punching seats used for placing the carbon commutator are arranged on the upper surface of the turntable, and a positioning rod is arranged in the center of each punching seat; punching press mechanism includes the support frame, the pneumatic cylinder, the punching press board, the support frame is fixed to be set up on the base, the pneumatic cylinder sets up at the support frame top, the piston rod of pneumatic cylinder runs through the top of support frame and is connected with the punching press board, the both ends of punching press board all run through and are equipped with the punching press pole, the lower extreme of two punching press poles is equipped with first punching press piece and second punching press piece respectively, first punching press piece and second punching press piece position are equallyd divide do not corresponding with two punching press seats on the carousel, it descends to drive the punching press board through the pneumatic cylinder, make first punching press piece and second punching press piece on the punching press board both ends punching press respectively to the carousel both ends, only need two steps, can bend the shaping with the commutator segment.
Description
Technical Field
The utility model belongs to the technical field of the machine-building equipment, concretely relates to special automatic frock of bending of carbon commutator.
Background
As is known, the main material of the traditional commutator product is oxygen-free copper or silver-copper alloy, because the fuel pump motor works by being soaked in gasoline for a long time, particularly in recent years, mixed fuels such as ethanol gasoline, methanol gasoline and the like are popularized and used at home and abroad, the service life of the traditional copper commutator is greatly shortened due to serious electric corrosion, and the service life of the automobile fuel pump can be prolonged by more than 3 times by the carbon commutator due to the superior characteristics of chemical stability and self-lubrication of the carbon commutator. The carbon commutator has the advantages that the carbon commutator is provided with the hooks on the commutator segment, the hooks are all completed through the bending tool, the existing bending tool is complex in structure, three bending processes are needed to bend the carbon commutator to form, the working efficiency is low, the existing bending tool has a common fixing effect on the carbon commutator when the commutator is bent, the punching head is easy to drive the carbon commutator to deviate when the carbon commutator is bent through punching, the position of the hook of the carbon commutator is caused to deviate, and the quality of the carbon commutator is seriously influenced.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model discloses a special automatic frock of bending of carbon commutator is disclosed.
The specific technical scheme is as follows:
an automatic bending tool special for a carbon commutator comprises a base, a punching mechanism and a clamping mechanism, wherein a driving motor is arranged in the base, a turntable driven by the driving motor is rotatably arranged on the base, a plurality of punching seats used for placing the carbon commutator are arranged on the upper surface of the turntable, a positioning rod is vertically arranged in the center of each punching seat and is used for penetrating through a mounting hole in the carbon circulator so as to position the carbon commutator;
the stamping mechanism comprises a support frame, a hydraulic cylinder and a stamping plate, the support frame is fixedly arranged on a base and is positioned right above a turntable, the hydraulic cylinder is fixedly arranged at the center of the top of the support frame, a piston rod of the hydraulic cylinder penetrates through the top of the support frame and is connected with the stamping plate, two ends of the stamping plate are respectively provided with a stamping rod in a penetrating manner, the lower ends of the two stamping rods are respectively connected with a first stamping block and a second stamping block, the positions of the first stamping block and the second stamping block are respectively corresponding to the positions of two stamping seats on the turntable, the cross section size of the first stamping block is larger than the peripheral size of the commutator segment, the lower end of the first stamping block is in a round platform-shaped structure and is inclined towards the center, the cross section size of the bottom end of the first stamping block is smaller than the peripheral size of the commutator segment, the center of the bottom of the first stamping block is provided with a first positioning groove, and, the second stamping block is of a cylindrical structure, the section size of the second stamping block is slightly larger than the peripheral size of the commutator segment, a stamping groove is formed in the bottom of the second stamping block, the inner wall of the stamping groove is inclined towards the center, a positioning block is arranged in the center of the stamping groove, the section size of the bottom end of the positioning block is smaller than the inner peripheral size of the commutator segment, a second positioning groove is formed in the center of the positioning block, the size of the second positioning groove is matched with that of the positioning rod, and the stamping plate is driven to descend through a hydraulic cylinder, so that the first stamping block and the second stamping block on the stamping rod at two ends of the stamping plate respectively stamp two ends of the turntable;
the clamping mechanisms are two groups and are respectively symmetrically arranged at two ends of a rotary table on the base, each clamping mechanism comprises a fixed seat, an air cylinder and clamping arms, two positioning shafts are arranged at two sides of one end of the fixed seat close to the rotary table, one clamping arm is respectively hinged on the two positioning shafts, the two clamping arms are horizontally arranged and symmetrically arranged, one end of each clamping arm is positioned above the rotary table, connecting rods are symmetrically arranged at the other ends of the two clamping arms, one end of each connecting rod is arranged in a crossed manner, a movable notch is formed in the crossed end of each connecting rod, the air cylinder is horizontally arranged at one end of the fixed seat far away from the rotary table, a piston rod of the air cylinder is positioned between the two crossed connecting rods, connecting shafts are symmetrically arranged at the upper end and the lower end of the piston rod of the air cylinder, and, the piston rod of the air cylinder retracts, so that the two connecting rods drive one ends of the two clamping arms to be folded, and the side wall of the carbon commutator on the punching seat is clamped and fixed.
Furthermore, one ends of the two clamping arms, which are positioned on the turntable, are symmetrical semicircular structures, so that one ends of the two clamping arms are folded to form a circular structure, and the side walls of the carbon commutator on the punching seat are clamped and fixed.
Furthermore, the depth of the first positioning groove and the depth of the second positioning groove are both smaller than the length of the positioning rod provided with the carbon commutator.
Furthermore, the upper ends of the two stamping rods vertically penetrate through the top of the support frame, and the stamping rods are in sliding connection with the top of the support frame.
Furthermore, the positioning shaft is provided with two limiting blocks, and the two limiting blocks are positioned at the upper end and the lower end of the hinged position of the clamping arm and the positioning shaft, so that the clamping arm is limited and fixed.
Further, the positioning block is of a cylindrical structure.
The utility model has the advantages that:
(1) the utility model discloses a punching press mechanism is bent the processing through the first punching press piece and the second punching press piece at punching press board both ends to the commutator segment of the carbon commutator on the carousel both ends punching press seat, and wherein first punching press piece is bent the commutator segment earlier to slope column structure, and the second punching press piece is further bent the hook form to the commutator segment of slope again to the shaping of bending, simple structure only needs two punching press steps, can be with the commutator segment shaping of bending, has improved the efficiency of bending greatly.
(2) The utility model discloses a centre gripping arm among the fixture carries out the centre gripping to the lateral wall of carbon commutator fixed for punching press mechanism is when handling the punching press of carbon commutator, can not be because rocking of carbon commutator and the crotch offset that leads to after bending, has effectively guaranteed the quality of bending, has reduced the production of substandard product.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a longitudinal sectional view of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a perspective view of the first punch block.
Fig. 5 is a perspective view of a second punch block.
Description of the reference numerals
The stamping device comprises a base 1, a driving motor 11, a rotary table 12, a stamping seat 13, a positioning rod 131, a stamping mechanism 2, a supporting frame 21, a hydraulic cylinder 22, a stamping plate 23, a stamping rod 24, a first stamping block 25, a first positioning groove 251, a second stamping block 26, a stamping groove 261, a positioning block 262, a second positioning groove 263, a clamping mechanism 3, a fixed seat 31, an air cylinder 32, an air cylinder piston rod 321, a positioning shaft 3211, a clamping arm 33, a connecting rod 331, a movable notch 3311, a positioning shaft 34 and a limiting block 341.
Detailed Description
For making the technical scheme of the utility model clear more clearly and definitely, it is right to combine the drawing below the utility model discloses further describe, any is right the utility model discloses technical scheme's technical characteristic carries out the scheme that equivalent replacement and conventional reasoning reachs and all falls into the utility model discloses protection scope. The utility model discloses in the fixed connection who mentions, fixed setting is the general connected mode among the mechanical field, and welding, bolt and nut are connected and the screw connection is all can.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
An automatic bending tool special for a carbon commutator comprises a base, a punching mechanism and a clamping mechanism, wherein a driving motor is arranged in the base, a turntable driven by the driving motor is rotatably arranged on the base, 6 punching seats used for placing the carbon commutator are arranged on the upper surface of the turntable, the 6 punching seats are uniformly distributed on the turntable in an annular shape, a positioning rod is vertically arranged in the center of each punching seat, and the positioning rod is used for penetrating through an installation hole in the carbon commutator so as to position the carbon commutator;
the stamping mechanism comprises a support frame, a hydraulic cylinder and a stamping plate, the support frame is fixedly arranged on a base and is positioned right above a turntable, the hydraulic cylinder is fixedly arranged at the center of the top of the support frame, a piston rod of the hydraulic cylinder penetrates through the top of the support frame and is connected with the stamping plate, two ends of the stamping plate are respectively provided with a stamping rod in a penetrating manner, the lower ends of the two stamping rods are respectively connected with a first stamping block and a second stamping block, the positions of the first stamping block and the second stamping block are respectively corresponding to the positions of two stamping seats on the turntable, the cross section size of the first stamping block is larger than the peripheral size of the commutator segment, the lower end of the first stamping block is in a round platform-shaped structure and is inclined towards the center, the cross section size of the bottom end of the first stamping block is smaller than the peripheral size of the commutator segment, the center of the bottom of the first stamping block is provided with a first positioning groove, and, the second stamping block is of a cylindrical structure, the section size of the second stamping block is slightly larger than the peripheral size of the commutator segment, a stamping groove is formed in the bottom of the second stamping block, the inner wall of the stamping groove is inclined towards the center, a positioning block is arranged in the center of the stamping groove, the section size of the bottom end of the positioning block is smaller than the inner peripheral size of the commutator segment, a second positioning groove is formed in the center of the positioning block, the size of the second positioning groove is matched with that of the positioning rod, and the stamping plate is driven to descend through a hydraulic cylinder, so that the first stamping block and the second stamping block on the stamping rod at two ends of the stamping plate respectively stamp two ends of the turntable;
the clamping mechanisms are two groups and are respectively symmetrically arranged at two ends of a rotary table on the base, each clamping mechanism comprises a fixed seat, an air cylinder and clamping arms, two positioning shafts are arranged at two sides of one end of the fixed seat close to the rotary table, one clamping arm is respectively hinged on the two positioning shafts, the two clamping arms are horizontally arranged and symmetrically arranged, one end of each clamping arm is positioned above the rotary table, connecting rods are symmetrically arranged at the other ends of the two clamping arms, one end of each connecting rod is arranged in a crossed manner, a movable notch is formed in the crossed end of each connecting rod, the air cylinder is horizontally arranged at one end of the fixed seat far away from the rotary table, a piston rod of the air cylinder is positioned between the two crossed connecting rods, connecting shafts are symmetrically arranged at the upper end and the lower end of the piston rod of the air cylinder, and, the piston rod of the air cylinder retracts, so that the two connecting rods drive one ends of the two clamping arms to be folded, and the side wall of the carbon commutator on the punching seat is clamped and fixed.
Furthermore, one ends of the two clamping arms, which are positioned on the turntable, are symmetrical semicircular structures, so that one ends of the two clamping arms are folded to form a circular structure, and the side walls of the carbon commutator on the punching seat are clamped and fixed.
Furthermore, the depth of the first positioning groove and the depth of the second positioning groove are both smaller than the length of the positioning rod provided with the carbon commutator.
Furthermore, the upper ends of the two stamping rods vertically penetrate through the top of the support frame, and the stamping rods are in sliding connection with the top of the support frame.
Furthermore, the positioning shaft is provided with two limiting blocks, and the two limiting blocks are positioned at the upper end and the lower end of the hinged position of the clamping arm and the positioning shaft, so that the clamping arm is limited and fixed.
Further, the positioning block is of a cylindrical structure.
The working principle is as follows:
when the carbon commutator is in operation, a carbon commutator to be bent is manually placed on the punching seats, the carbon commutator to be bent is positioned by the positioning rod penetrating through the mounting hole in the center of the carbon commutator, the driving motor is started to drive the rotating disc to rotate, the carbon commutator to be bent is stopped when the two punching seats on the rotating disc rotate to the positions right below the first punching block and the second punching block, the air cylinder drives the piston rod of the air cylinder to retract, so that the two connecting rods drive one ends of the two clamping arms to close and clamp the side wall of the carbon commutator on the punching seats, then the hydraulic cylinder drives the punching plate to descend, so that the first punching block and the second punching block on the punching rod at the two ends of the punching plate respectively punch the two ends of the rotating disc, at the moment, the first punching block firstly bends the commutator segments of the carbon commutator to an inclined structure, another carbon commutator is placed after the carbon commutator is bent, when the first carbon commutator is positioned below the second punching block, and the second punching block further bends the inclined commutator segment into a hook shape so as to be bent and formed, and after the carbon commutator after punching is rotated to the initial position, the carbon commutator is taken out and placed with a new carbon commutator and is sequentially punched and bent.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. An automatic bending tool special for a carbon commutator comprises a base, a punching mechanism and a clamping mechanism, wherein a driving motor is arranged in the base, a turntable driven by the driving motor is rotatably arranged on the base, and a plurality of punching seats used for placing the carbon commutator are arranged on the upper surface of the turntable; the stamping mechanism comprises a support frame, a hydraulic cylinder and a stamping plate, the support frame is fixedly arranged on a base and is positioned right above a turntable, the hydraulic cylinder is fixedly arranged at the center of the top of the support frame, a piston rod of the hydraulic cylinder penetrates through the top of the support frame and is connected with the stamping plate, two ends of the stamping plate are respectively provided with a stamping rod in a penetrating manner, the lower ends of the two stamping rods are respectively connected with a first stamping block and a second stamping block, the positions of the first stamping block and the second stamping block are respectively corresponding to the positions of two stamping seats on the turntable, the cross section size of the first stamping block is larger than the peripheral size of the commutator segment, the lower end of the first stamping block is in a round platform-shaped structure and is inclined towards the center, the cross section size of the bottom end of the first stamping block is smaller than the peripheral size of the commutator segment, the center of the bottom of the first stamping block is provided with a first positioning groove, and, the second punching press piece is the cylinder structure, and the cross sectional dimension of second punching press piece slightly is greater than commutator segment peripheral dimension, and stamping groove has been seted up to second punching press piece bottom, the inner wall in stamping groove sets up to the center slope, and stamping groove's center is equipped with the locating piece, the bottom cross sectional dimension of locating piece is less than commutator segment inner peripheral dimension, and the second constant head tank has been seted up at the center of locating piece, the size and the locating lever size looks adaptation of second constant head tank.
2. The automatic bending tool special for the carbon commutator of claim 1, wherein the clamping mechanisms are two groups and are symmetrically arranged at two ends of the turntable on the base respectively, each clamping mechanism comprises a fixed seat, a cylinder and clamping arms, two positioning shafts are arranged at two sides of one end of the fixed seat close to the turntable, one clamping arm is hinged on each of the two positioning shafts, the two clamping arms are horizontally arranged and symmetrically arranged, one end of each clamping arm is positioned above the turntable, connecting rods are symmetrically arranged at the other end of each clamping arm, one end of each connecting rod is arranged in a crossed manner, a movable notch is formed at the crossed end of each connecting rod, the cylinder is horizontally arranged at one end of the fixed seat far away from the turntable, a piston rod of the cylinder is positioned between the two crossed connecting rods, and connecting shafts are symmetrically arranged at the upper end and the lower end of the piston rod of the cylinder, the two connecting shafts respectively penetrate through the movable notches in the two connecting rods.
3. The automatic bending tool special for the carbon commutator of claim 2, wherein one ends of the two clamping arms on the turntable are of symmetrical semicircular structures, so that one ends of the two clamping arms are folded to form a circular structure, and the side walls of the carbon commutator on the punching seat are clamped and fixed.
4. The automatic bending tool special for the carbon commutator of claim 1, wherein the depths of the first positioning groove and the second positioning groove are both less than the length of a positioning rod on which the carbon commutator is installed.
5. The automatic bending tool special for the carbon commutator of claim 1, wherein the upper ends of the two stamping rods vertically penetrate through the top of the support frame, and the stamping rods are in sliding connection with the top of the support frame.
6. The automatic bending tool special for the carbon commutator of claim 2, wherein two limiting blocks are arranged on the positioning shaft and are positioned at the upper end and the lower end of the hinged part of the clamping arm and the positioning shaft, so that the clamping arm is limited and fixed.
7. The automatic bending tool special for the carbon commutator of claim 1, wherein the positioning block is of a cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921628084.8U CN211866251U (en) | 2019-09-27 | 2019-09-27 | Special automatic frock of bending of carbon commutator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921628084.8U CN211866251U (en) | 2019-09-27 | 2019-09-27 | Special automatic frock of bending of carbon commutator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211866251U true CN211866251U (en) | 2020-11-06 |
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ID=73239783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921628084.8U Active CN211866251U (en) | 2019-09-27 | 2019-09-27 | Special automatic frock of bending of carbon commutator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211866251U (en) |
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2019
- 2019-09-27 CN CN201921628084.8U patent/CN211866251U/en active Active
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