CN211413464U - Special frock of egg beater motor brush box frame spring bending - Google Patents
Special frock of egg beater motor brush box frame spring bending Download PDFInfo
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- CN211413464U CN211413464U CN202020082100.4U CN202020082100U CN211413464U CN 211413464 U CN211413464 U CN 211413464U CN 202020082100 U CN202020082100 U CN 202020082100U CN 211413464 U CN211413464 U CN 211413464U
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Abstract
The utility model discloses a special tool for bending a spring of a brush box frame of a motor of an egg beater; belongs to the technical field of micro-motor processing auxiliary tools; the lower die is composed of a base, a positioning component which is arranged on the base and is adaptive to a brush box frame, and a telescopic positioning component which is arranged on the base, penetrates through a lug plate on the brush box frame and is matched with a spring foot to be bent on the brush box frame; the upper die comprises a support connected with an external driving mechanism, a guide assembly matched with the support is arranged at the lower end of the support and on the base, a telescopic push-broach assembly correspondingly matched with the telescopic positioning assembly is arranged at the lower end of the support, and a press broach is arranged on the support at the side edge of the telescopic push-broach assembly; the utility model aims to provide a special tool for bending a spring of a brush box frame of a motor of an egg beater, which has compact structure, convenient use and good effect; is used for the brush box frame spring bending shape.
Description
Technical Field
The utility model relates to a micromotor processing auxiliary fixtures, more specifically say, especially relate to a special frock of bending of eggbeater motor brush box frame spring.
Background
At present, the carbon brush compression spring of the motor of the HD45 eggbeater is bent by a pair of manual sharp-nose pliers, so that the efficiency is low, the bending size is inconsistent, the product quality is inconsistent, the product reject ratio of the processing procedure is higher, the reworking and reworking are more, the product productivity is influenced, and the production cost of the product is increased. Especially, new employees are difficult to get on the hands, and can get on the hands only by long-time practice, thereby further improving the reject ratio of products and the production cost invisibly. In order to simplify the operation process, a set of bending tools is urgently needed to be designed so as to improve the product quality and efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the not enough of above-mentioned prior art, provide a compact structure, convenient to use and respond well special frock of egg beater motor brush box frame spring bending.
The technical scheme of the utility model is realized like this: the utility model provides a special frock of egg beater motor brush box frame spring bent shape, includes the lower mould and the last mould of mutually supporting, the lower mould comprises base, the locating component that sets up on the base and suit with brush box frame and the flexible locating component who sets up on the base and pass the lug on brush box frame and wait to bend shape spring foot matched with on the brush box frame.
The upper die comprises a support connected with an external driving mechanism, guide assemblies matched with each other are arranged on the lower end of the support and the base, a telescopic push broach assembly matched with the telescopic positioning assembly correspondingly is arranged at the lower end of the support, a press knife is arranged on the support on the side edge of the telescopic push broach assembly, and a vertical spring foot to be bent is firstly pushed and bent through the matching of the telescopic push broach assembly and the telescopic positioning assembly and then is pressed and bent by the press knife.
In the special tool for bending the spring of the brush box frame of the motor of the egg beater, the base consists of a bottom plate connected with an external workbench and a lower die body fixedly connected to the bottom plate; and the lower die body is provided with a mounting groove matched with the positioning component.
In the special tool for bending the spring of the brush box frame of the motor of the egg beater, the positioning assembly consists of a supporting piece which is arranged on the base and is matched with the brush box frame and spring limiting columns which are arranged on the base and are matched with the springs on the brush box frame in a one-to-one correspondence manner; the telescopic positioning assembly is movably arranged on the supporting member.
In the special tool for bending the spring of the brush box frame of the motor of the egg beater, the telescopic positioning assembly consists of spring pin positioning columns which are movably arranged on the supporting piece in a penetrating way along the vertical direction and correspond to the spring pins on the brush box frame one by one and first return springs arranged at the lower ends of the spring pin positioning columns; one side surface of each spring pin positioning column is provided with a positioning notch matched with the spring pin along the vertical direction.
In the special tool for bending the spring of the brush box frame of the motor of the egg beater, the guide assembly comprises two guide pins arranged on the lower end surface of the support at intervals along the length direction of the support and guide holes arranged on the upper end surface of the base and corresponding to the guide pins one to one.
In the special tool for bending the spring of the brush holder of the motor brush box of the egg beater, the telescopic push broach assembly consists of guide limit mounting holes which are arranged on the support and correspond to the spring pin positioning columns one by one, push knives which are movably arranged in the guide limit mounting holes and second return springs which are clamped between the push knives and the inner bottoms of the guide limit mounting holes; the lower end of each push broach is provided with a guide cambered surface according to the bending direction of the spring pin, and the guide cambered surface is provided with an arc-shaped groove which is adaptive to the spring pin to be bent; the pressing knife is positioned on one side of the push broach corresponding to the arc-shaped groove and clings to the side wall of the push broach.
In the special tool for bending the spring of the brush box frame of the motor of the egg beater, the support is composed of a connecting seat connected with an external driving mechanism and a knife rest fixed on the lower end surface of the connecting seat through a bolt; the guide limiting mounting hole consists of a first mounting blind hole which is positioned on the connecting seat and is matched with the second reset spring, a second mounting blind hole which is arranged on the upper end surface of the tool rest and is in one-to-one correspondence with the first mounting blind hole, and a guide through hole which is arranged at the bottom in the second mounting blind hole; the outer contour of the cross section of the guide through hole along the horizontal direction is smaller than the outer contour of the cross section of the second mounting blind hole along the horizontal direction.
A mounting hole matched with the press cutter is formed in the side wall of the cutter rest corresponding to the second mounting blind hole and the guide through hole, a limiting step is integrally formed at the upper end of the mounting hole, and a first limiting part matched with the limiting step is integrally formed at the upper end of the press cutter; the pressing cutter is arranged in the mounting hole in a penetrating mode and is matched, clamped and fixed through the connecting seat and the cutter rest.
The push broach is movably arranged in the guide through hole in a penetrating mode, a second limiting part with the same inner diameter as the second mounting blind hole is integrally formed at the upper end of the push broach, and a second reset spring is clamped between the upper end of the second limiting part and the bottom in the first mounting blind hole.
In the special tool for bending the spring of the motor brush box frame of the egg beater, the lower end of the push broach is provided with an installation notch corresponding to the guide arc surface, a push block is arranged in the installation notch, one end of the push block, facing the guide arc surface, is an arc surface, and the arc surface is concavely arranged in the guide arc surface and is matched with the guide arc surface to form an arc groove.
The utility model adopts the above structure, through the fixed spring foot of flexible locating component, push away the bending spring foot by flexible broach subassembly and bend it by the broach with it shaping of buckling again. Compared with the existing manual operation, the automatic bending machine has the advantages that the working efficiency is greatly improved, the bending sizes are consistent, and the product quality is effectively guaranteed.
Drawings
The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged partial schematic view at A of FIG. 1;
FIG. 3 is an enlarged partial schematic view at B of FIG. 1;
fig. 4 is a schematic sectional structure of the present invention;
FIG. 5 is an enlarged partial schematic view at C of FIG. 3;
fig. 6 is a partially enlarged schematic view at D in fig. 3.
In the figure: 1. a lower die; 2. an upper die; 3. a base; 3a, a bottom plate; 3b, a lower die body; 4. a positioning assembly; 4a, a support; 4b, a spring limiting column; 5. a telescopic positioning component; 5a, spring pin positioning columns; 5b, a first return spring; 5c, positioning a notch; 6. a support; 6a, a connecting seat; 6b, a tool rest; 7. a guide assembly; 7a, a pilot pin; 7b, a guide hole; 8. a telescopic push-broach assembly; 8a, guiding and limiting mounting holes; 8b, a push broach; 8c, a second return spring; 8d, guiding the cambered surface; 8e, an arc-shaped groove; 8f, a first mounting blind hole; 8g, second mounting blind holes; 8h, guiding through holes; 8i and a second limiting part; 8j, mounting notches; 8k, a push block; 9. pressing a cutter; 9a, a first limiting part; 10. a brush box frame; 11. a spring foot; 12. a lug plate.
Detailed Description
Referring to fig. 1 to 6, the utility model discloses a special frock of egg beater motor brush box frame spring bending, including lower mould 1 and last mould 2 of mutually supporting, lower mould 1 comprises base 3, the setting on base 3 and with brush box frame adapted locating component 4 and the setting on base 3 and pass the lug on the brush box frame and with the brush box frame on treat that the flexible locating component 5 of bending spring foot matched with constitutes.
Specifically, in this embodiment, the base 3 is composed of a bottom plate 3a connected to an external workbench and a lower mold body 3b fixedly connected to the bottom plate 3 a; and a mounting groove matched with the positioning component 4 is arranged on the lower die body 3 b. The combined structure of the base is easy to disassemble, assemble and maintain.
Meanwhile, the positioning component 4 consists of a supporting piece 4a which is arranged on the base 3 and is adaptive to the brush box frame and spring limiting columns 4b which are arranged on the base 3 and are correspondingly matched with springs on the brush box frame one by one; the telescopic positioning component 5 is movably arranged on the supporting part 4 a. In the embodiment, for convenient assembly, the supporting part is two bosses which are arranged at intervals and are matched with the brush box frame, the whole brush box frame is supported through the bosses, and meanwhile, the spring on the brush box frame is supported by the spring limiting columns, so that the deformation or the fracture of the brush box frame caused by overlarge pressure during bending is avoided.
Correspondingly, the telescopic positioning assembly 5 consists of spring pin positioning columns 5a which are movably arranged on the supporting piece 4a in a penetrating way along the vertical direction and correspond to the spring pins on the brush box frame one by one, and first return springs 5b arranged at the lower ends of the spring pin positioning columns 5 a; one side surface of each spring pin positioning column 5a is provided with a positioning notch 5c matched with the spring pin along the vertical direction. The outline of the spring foot positioning column is matched with the outline of the inner hole of the lug plate on the brush box frame, so that the limiting effect can be achieved, and the brush box frame is prevented from shifting when being pressed and bent.
Go up mould 2 and include the support 6 of being connected with external drive mechanism, in this embodiment, external drive mechanism adopts the cylinder, and its is fast, can guarantee the rate of processing. The lower end of the support 6 and the base 3 are provided with guide assemblies 7 which are matched with each other, the lower end of the support 6 is provided with a telescopic push broach assembly 8 which is correspondingly matched with the telescopic positioning assembly 5, the support 6 at the side edge of the telescopic push broach assembly 8 is provided with a pressing knife 9, and the vertical spring foot to be bent is firstly pushed and bent by matching the telescopic push broach assembly 8 and the telescopic positioning assembly 5 and then is pressed and bent by the pressing knife 9 for shaping.
Preferably, in this embodiment, the guide assembly 7 is composed of two guide pins 7a disposed at intervals on the lower end surface of the support 6 along the length direction of the support 6, and guide holes 7b disposed on the upper end surface of the base 3 and corresponding to the guide pins 7a one-to-one. The guide pin is matched with the guide hole, so that the accuracy of the upper die and the lower die in die assembly is ensured, and the influence on the bending effect of the spring pin due to the relative displacement of the upper die and the lower die in die assembly is avoided.
Preferably, the telescopic push broach assembly 8 is composed of a guiding limit mounting hole 8a which is arranged on the support 6 and corresponds to the spring foot positioning column 5a one-to-one, a push broach 8b which is movably arranged in the guiding limit mounting hole 8a, and a second return spring 8c which is clamped between the push broach 8b and the inner bottom of the guiding limit mounting hole 8 a; the lower end of each push broach 8b is provided with a guide cambered surface 8d according to the bending direction of the spring pin, and the guide cambered surface 8d is provided with an arc-shaped groove 8e which is adaptive to the spring pin to be bent; the pressing knife 9 is positioned at one side of the push knife 8b corresponding to the arc-shaped groove 8e and clings to the side wall of the push knife 8 b.
Further preferably, the support 6 is composed of a connecting seat 6a connected with an external driving mechanism and a tool rest 6b fixed on the lower end face of the connecting seat 6a through a bolt; the guide limit mounting hole 8a consists of a first mounting blind hole 8f which is positioned on the connecting seat 6a and is matched with the second reset spring 8c, a second mounting blind hole 8g which is arranged on the upper end surface of the tool rest 6b and is in one-to-one correspondence with the first mounting blind hole 8f, and a guide through hole 8h which is arranged at the bottom in the second mounting blind hole 8 g; the outer contour of the cross section of the guide through hole 8h in the horizontal direction is smaller than the outer contour of the cross section of the second mounting blind hole 8g in the horizontal direction.
A mounting hole matched with the press cutter 9 is formed in the side wall of the cutter frame 6b corresponding to the second mounting blind hole 8g and the guide through hole 8h, a limiting step is integrally formed at the upper end of the mounting hole, and a first limiting part 9a matched with the limiting step is integrally formed at the upper end of the press cutter 9; the pressing cutter 9 penetrates through the mounting hole and is clamped and fixed through the connecting seat 6a and the cutter frame 6b in a matching mode.
The push broach 8b is movably arranged in the guide through hole 8h in a penetrating way, a second limiting part 8i with the same inner diameter as the second mounting blind hole 8g is integrally formed at the upper end of the push broach, and a second reset spring 8c is clamped between the upper end of the second limiting part 8i and the inner bottom of the first mounting blind hole 8 f.
The support adopts combined type structure, cooperates the spacing mounting hole of direction for broach and pressure all can install fixedly and easy to maintain very convenient and fast ground.
In order to facilitate the processing, an installation notch 8j corresponding to the guide arc surface 8d is arranged at the lower end of the push broach 8b, a push block 8k is arranged in the installation notch 8j, one end, facing the guide arc surface 8d, of the push block 8k is an arc surface, and the arc surface is concavely arranged in the guide arc surface 8d and matched with the guide arc surface 8d to form an arc groove 8 e. By adopting the structure, the arc-shaped groove can be conveniently formed, the processing is easy, the processing cost is saved, the precision is high, and the disassembly and the assembly are easy to maintain.
The cylinder that adopts in this embodiment and the connected mode and the control mode with outside compressed air source are prior art, and the technical point that this application will protect is not repeated here.
The working principle is as follows: in the initial state, the spring foot positioning column is in the extending state, the through hole of the wiring terminal 12 on the brush box frame 10 is sleeved in corresponding to the spring foot positioning column, and the spring foot 12 is just positioned in the positioning notch of the spring foot positioning column. The brush box holder 10 is supported by a suitable support member, while the lower end of the spring is located at the upper end of the spring foot limiting post. After the brush box frame 10 is placed, the worker starts the air cylinder through the control button. The cylinder drives the support to move downwards, the guide arc surface at the lower end of the push broach contacts with the spring pin positioning column at first, under the action of pressure, the push broach pushes the spring pin positioning column to move downwards, the spring pin enters the arc-shaped groove and is pushed to be bent, meanwhile, the push broach and the spring pin positioning column push the first return spring and the second return spring which are connected to each other to contract respectively, the cylinder continues to move downwards, the spring pin bends along the arc-shaped groove and extends out of the push broach, meanwhile, the push broach contracts upwards under the thrust of the spring pin positioning column, the pressure extends out to continue to bend the spring pin, after the cylinder reaches a preset lower limit, the spring pin is changed from a vertical state to a horizontal state, the spring pin is bent by 90 degrees integrally, and the spring. The worker takes out the bent brush box frame with the spring leg and puts the next brush box frame to repeat the operation. The whole operation is fast, and the product quality is guaranteed.
The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.
Claims (8)
1. A special tool for bending a spring of a brush box frame of a motor of an egg beater comprises a lower die (1) and an upper die (2) which are matched with each other, and is characterized in that the lower die (1) consists of a base (3), a positioning assembly (4) which is arranged on the base (3) and is matched with the brush box frame, and a telescopic positioning assembly (5) which is arranged on the base (3), penetrates through a wiring sheet on the brush box frame and is matched with a spring foot to be bent on the brush box frame;
the upper die (2) comprises a support (6) connected with an external driving mechanism, a guide assembly (7) matched with each other is arranged at the lower end of the support (6) and on the base (3), a telescopic push broach assembly (8) correspondingly matched with the telescopic positioning assembly (5) is arranged at the lower end of the support (6), a pressing knife (9) is arranged on the support (6) at the side edge of the telescopic push broach assembly (8), and a vertical spring foot to be bent is firstly pushed and bent in a matched mode through the telescopic push broach assembly (8) and the telescopic positioning assembly (5) and then is pressed and bent to be shaped through the pressing knife (9).
2. The special tool for the spring flexion of the brush box frame of the motor of the egg beater according to claim 1, wherein the base (3) consists of a bottom plate (3a) connected with an external workbench and a lower die body (3b) fixedly connected to the bottom plate (3 a); the lower die body (3b) is provided with an installation groove matched with the positioning component (4).
3. The special tool for the spring flexion of the brush box frame of the motor of the egg beater according to claim 1 or 2, characterized in that the positioning assembly (4) consists of a supporting piece (4a) which is arranged on the base (3) and is adapted to the brush box frame and spring limiting columns (4b) which are arranged on the base (3) and are matched with springs on the brush box frame in a one-to-one correspondence manner; the telescopic positioning component (5) is movably arranged on the supporting piece (4 a).
4. The special tool for the spring flexion of the brush box frame of the motor of the egg beater according to claim 3, characterized in that the telescopic positioning assembly (5) consists of spring foot positioning columns (5a) which are movably arranged on the supporting piece (4a) in a penetrating way in the vertical direction and correspond to spring feet on the brush box frame one by one, and first return springs (5b) arranged at the lower ends of the spring foot positioning columns (5 a); one side surface of each spring pin positioning column (5a) is provided with a positioning notch (5c) matched with the spring pin along the vertical direction.
5. The special tool for the spring flexion of the brush box frame of the motor of the egg beater according to claim 1, wherein the guide assembly (7) consists of two guide pins (7a) which are arranged on the lower end surface of the support (6) at intervals along the length direction of the support (6) and guide holes (7b) which are arranged on the upper end surface of the base (3) and correspond to the guide pins (7a) one by one.
6. The special tool for the spring flexion of the brush holder frame of the motor of the egg beater according to claim 3, wherein the telescopic push broach assembly (8) consists of a guiding limit mounting hole (8a) which is arranged on the support (6) and corresponds to the spring foot positioning column (5a) one by one, a push broach (8b) which is movably arranged in the guiding limit mounting hole (8a), and a second return spring (8c) which is clamped between the push broach (8b) and the inner bottom of the guiding limit mounting hole (8 a); the lower end of each push broach (8b) is provided with a guide cambered surface (8d) according to the bending direction of the spring foot, and an arc-shaped groove (8e) which is adaptive to the spring foot to be bent is arranged on the guide cambered surface (8 d); the pressing knife (9) is positioned on one side of the push knife (8b) corresponding to the arc-shaped groove (8e) and clings to the side wall of the push knife (8 b).
7. The special tool for the spring flexion of the brush box frame of the motor of the egg beater according to claim 6, wherein the support (6) consists of a connecting seat (6a) connected with an external driving mechanism and a knife rest (6b) fixed on the lower end surface of the connecting seat (6a) through a bolt; the guide limiting mounting hole (8a) consists of a first mounting blind hole (8f) which is positioned on the connecting seat (6a) and is adaptive to the second reset spring (8c), a second mounting blind hole (8g) which is arranged on the upper end surface of the tool rest (6b) and is in one-to-one correspondence with the first mounting blind hole (8f), and a guide through hole (8h) which is arranged at the bottom in the second mounting blind hole (8 g); the outer contour of the cross section of the guide through hole (8h) along the horizontal direction is smaller than the outer contour of the cross section of the second mounting blind hole (8g) along the horizontal direction;
a mounting hole matched with the press cutter (9) is formed in the side wall of the cutter rest (6b) corresponding to the second mounting blind hole (8g) and the guide through hole (8h), a limiting step is integrally formed at the upper end of the mounting hole, and a first limiting part (9a) matched with the limiting step is integrally formed at the upper end of the press cutter (9); the pressing cutter (9) penetrates through the mounting hole and is clamped and fixed in a matching way through the connecting seat (6a) and the cutter rest (6 b);
the push broach (8b) is movably arranged in the guide through hole (8h) in a penetrating mode and integrally formed with a second limiting part (8i) with the same inner diameter as the second mounting blind hole (8g) at the upper end of the push broach, and a second reset spring (8c) is clamped between the upper end of the second limiting part (8i) and the inner bottom of the first mounting blind hole (8 f).
8. The special tool for the spring flexion of the brush holder of the motor of the egg beater according to claim 6, wherein the lower end of the push broach (8b) is provided with an installation notch (8j) corresponding to the guide arc surface (8d), a push block (8k) is arranged in the installation notch (8j), one end, facing the guide arc surface (8d), of the push block (8k) is an arc surface, and the arc surface is concavely arranged in the guide arc surface (8d) and is matched with the guide arc surface (8d) to form an arc groove (8 e).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020082100.4U CN211413464U (en) | 2020-01-15 | 2020-01-15 | Special frock of egg beater motor brush box frame spring bending |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020082100.4U CN211413464U (en) | 2020-01-15 | 2020-01-15 | Special frock of egg beater motor brush box frame spring bending |
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| CN211413464U true CN211413464U (en) | 2020-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309300A (en) * | 2021-12-29 | 2022-04-12 | 广东嘉和微特电机股份有限公司 | Automatic riveting device for brush box bracket and lug plate |
-
2020
- 2020-01-15 CN CN202020082100.4U patent/CN211413464U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309300A (en) * | 2021-12-29 | 2022-04-12 | 广东嘉和微特电机股份有限公司 | Automatic riveting device for brush box bracket and lug plate |
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