CN112338021B - Bending method and processing equipment for connecting piece - Google Patents
Bending method and processing equipment for connecting piece Download PDFInfo
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- CN112338021B CN112338021B CN202110027731.5A CN202110027731A CN112338021B CN 112338021 B CN112338021 B CN 112338021B CN 202110027731 A CN202110027731 A CN 202110027731A CN 112338021 B CN112338021 B CN 112338021B
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- bending
- material folding
- axis direction
- fixing
- preset
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a bending method and processing equipment of connecting pieces, wherein the bending method comprises the steps of arranging a plurality of connecting pieces along the X-axis direction, fixing the periphery of a fixing part, and limiting a preset bending part along the X-axis direction; suspending a stress part of the preset bending part, and sequentially applying a first bending force along the Y-axis direction and a second bending force along the Z-axis direction to the stress part to form a target bending angle; the processing equipment comprises a fixing device, a pressing device and a material folding device, wherein the fixing device is used for arranging a plurality of connecting pieces at intervals along the X-axis direction, the pressing device is used for fixing the fixing parts in the fixing device, and the material folding device is used for sequentially folding the preset bending parts along the Y-axis direction and the Z-axis direction. The bending method and the processing equipment can be used for bending the connecting pieces in batches, and the bending precision is high.
Description
Technical Field
The invention relates to the field of connecting piece bending, in particular to a connecting piece bending method and processing equipment.
Background
The automobile connector body is inserted with a plurality of rows of elongated connecting pieces, each row is provided with more than ten, twenty or more connecting pieces, and the distance between adjacent connecting pieces is very small. After the connector is inserted into the connector body, one end of the connector away from the connector body needs to be bent. The existing bending operation is to fix the connector body, clamp a row of connecting pieces by using an upper clamping jaw and a lower clamping jaw, and drive the connecting pieces to bend by the movement of the clamping jaws. In the process, when the clamping jaw drives the connecting piece to bend, the bending point on the connecting piece is inaccurately controlled, and the positions of the bending points on the connecting piece are different in different operation batches, so that the requirement of machining precision is not met. And the clamping jaw drives the in-process that the connecting piece buckled in the vertical direction, can make the connecting piece take place the skew in the horizontal direction, also can make it can not satisfy the requirement of product processing.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides a connecting piece bending method and processing equipment, and the processing equipment can be used for realizing batch bending of connecting pieces, improving the bending precision of the connecting pieces and ensuring the quality of products.
In order to achieve the purpose, the invention adopts the technical scheme that: a method of bending a connector, comprising:
arranging a plurality of connecting pieces at intervals along the X-axis direction, wherein the periphery of a fixed part of each connecting piece is fixed, a preset bending part of each connecting piece is limited along the X-axis direction, and a stress part at one end, deviating from the fixed part, of each preset bending part is arranged in a suspended manner;
applying a first bending force along the Y-axis direction to the stressed portion to enable the preset bending portion to rotate around a bending point between the fixed portion and the preset bending portion in a vertical plane perpendicular to the X-axis direction, so that a first bending angle is formed between the fixed portion and the preset bending portion;
the stress part acts on a second bending force parallel to the extending direction of the connecting piece, so that the preset bending part winds the bending point to bend the first bending angle to form a target bending angle, and the target bending angle is smaller than the first bending angle.
A processing apparatus, comprising:
the fixing device comprises a fixing block, a plurality of limiting parts are distributed at the top end of the fixing block along the X-axis direction, a fixing groove for placing a connecting piece is formed between every two adjacent limiting parts, each limiting part comprises a first limiting part which is arranged along the Z-axis direction and is opposite to the fixing part of the connecting piece, and a second limiting part which is arranged along the Y-axis direction and is opposite to the preset bending part of the connecting piece, the second limiting part is vertically connected with one end of the first limiting part, and the intersection of the second limiting part and the first limiting part is opposite to the bending point of the connecting piece;
the pressing device comprises a pressing block, the pressing block is arranged above the first limiting part, and the pressing block is abutted against the fixing part and the second limiting part;
roll over the material device, roll over the material device including being located the spacing portion of second deviates from the material piece that rolls over of first spacing portion one side, with roll over the material piece and link to each other and drive roll over the material piece right the stress part of predetermineeing the portion of bending acts on the first elevating system of first power of bending, with roll over the material piece and link to each other and drive roll over the material piece right the stress part acts on the horizontal migration mechanism of second power of bending.
In the above technical scheme, the fixed block orientation one side of folding the material piece is provided with first inclined plane, fold the material piece be provided with the relative second inclined plane of first inclined plane, the second inclined plane with contained angle between the Y axle direction is greater than first inclined plane with contained angle between the Y axle direction.
In the technical scheme, one side of the material folding part, which faces the fixed block, is provided with an arc-shaped section which is used for abutting against the stressed part, one end of the arc-shaped section is connected with the second inclined plane, and the other end of the arc-shaped section is connected with the upper surface of the material folding part.
In the above technical solution, the opposite side surfaces of the adjacent second limiting parts include a vertical part which is opposite to the preset bending part, the height of the vertical part is less than 1/2, and is greater than or equal to 1/4, of the length of the preset bending part.
In the above technical solution, the vertical portion is a right trapezoid.
In the above technical scheme, the side surface of the second limiting portion further comprises a guide inclined surface connected with the vertical portion, and the guide inclined surfaces arranged oppositely are symmetrical.
In the technical scheme, the material folding device further comprises a material folding seat, a plurality of sliding grooves along the Z-axis direction are arranged on the material folding seat in parallel, and each sliding groove is connected with one material folding part in a sliding mode.
In the above technical scheme, the first lifting mechanism comprises a cam mechanism arranged at the bottom of the material folding seat and a driving motor connected with the cam mechanism.
In the above technical scheme, the pressing device includes a pressing base, a pressing block fixed on the pressing base, and a second lifting mechanism connected with the pressing base and driving the pressing base to move towards or away from the fixing block.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. according to the invention, a plurality of limiting parts are distributed on the top end of the fixing block along the X-axis direction, fixing grooves for placing connecting pieces are formed between adjacent limiting parts, each limiting part comprises a first limiting part which is arranged along the Z-axis direction and is opposite to the fixing part of each connecting piece, and a second limiting part which is arranged along the Y-axis direction and is opposite to the preset bending part of each connecting piece.
2. The material pressing block is arranged above the first limiting portion and is abutted against the fixing portion and the second limiting portion, so that the stress portion of the connecting piece is abutted against the material pressing block under the action of bending force, one side, facing the fixing portion, of the fixing portion and the preset bending portion is abutted against the material pressing block, a bending point is formed between the fixing portion and the preset bending portion, and the same bending point in the bending process at each time is guaranteed.
3. The material folding part is connected with the first lifting mechanism and applies a first bending force along the Y-axis direction to a stress part of the preset bending part; the material folding part is connected with the horizontal moving mechanism, the stress part of the preset bending part acts on the second bending force along the Z-axis direction, the bending process is divided into vertical and horizontal two-step operation, the effect of the preset bending part is softer, and the deformation of the connecting part is prevented.
4. The fixed block is provided with first inclined plane towards one side of the material folding piece, a second inclined plane opposite to the first inclined plane is arranged on the material folding piece, and an included angle between the second inclined plane and the Y-axis direction is larger than an included angle between the first inclined plane and the Y-axis direction, so that the material folding piece and a stress part which is inconsistent with a preset bending part are close to a bending point as much as possible, and the bending effect is improved.
In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a first schematic view of a processing apparatus according to the present invention;
FIG. 2 is a schematic view of a second embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view of the combination of a fixing block and a pressing block in the present invention;
FIG. 5 is a schematic view of a fixture according to the present invention;
FIG. 6 is a side view of the fastening device of the present invention;
fig. 7 is a schematic view of the material folding device of the invention.
Reference numerals of the above figures: 1. a fixing device; 11. a fixed block; 12. a first limiting part; 13. a second limiting part; 14. a first inclined plane; 15. a vertical portion; 16. a guide slope; 2. a pressing device; 21. pressing blocks; 22. a material pressing seat; 23. a second lifting mechanism; 3. a material folding device; 31. folding the material; 32. a first lifting mechanism; 33. a horizontal movement mechanism; 34. a second inclined plane; 35. an arc-shaped section; 36. a cam mechanism; 37. a drive motor; 4. a connector body; 5. a connecting member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: referring to fig. 1 to 7, a method for bending a connecting piece includes:
arranging a plurality of connecting pieces 5 at intervals along the X-axis direction, wherein the periphery of a fixed part of each connecting piece 5 is fixed, a preset bending part of each connecting piece 5 is limited along the X-axis direction, and a stress part of one end, deviating from the fixed part, of each preset bending part is arranged in a suspended manner;
applying a first bending force along the Y-axis direction to the stressed portion to enable the preset bending portion to rotate around a bending point between the fixed portion and the preset bending portion in a vertical plane perpendicular to the X-axis direction, so that a first bending angle is formed between the fixed portion and the preset bending portion;
it is right the atress portion effect is on a parallel with the extending direction's of connecting piece 5 second power of bending makes preset bending portion wind the bending point will first bend angle is bent and is formed the target angle of bending, just the target angle of bending is less than first bend angle.
Wherein a plurality of said connecting pieces 5 are fixed to the connector body 4. A plurality of rows of the connecting members 5 are provided on the connector body 4, and a plurality of the connecting members 5 are provided in each row. During machining, the connecting members 5 arranged in one row in the X-axis direction are fixed, and then a bending operation is performed. This is repeated for the other rows of said connectors 5 in turn.
A processing apparatus, comprising: the device comprises a fixing device 1 for arranging a plurality of connecting pieces 5 at intervals along the X-axis direction, a pressing device 2 for fixing the fixing parts of the connecting pieces 5 in the fixing device 1, and a folding device 3 for folding the preset bending parts of the connecting pieces 5.
Referring to fig. 5 and 6, the fixing device 1 includes a fixing block 11. A plurality of limiting parts are arranged at the top end of the fixing block 11 along the X-axis direction, and fixing grooves for placing the connecting pieces 5 are formed between the adjacent limiting parts. The limiting part comprises a first limiting part 12 which is arranged along the Z-axis direction and is opposite to the fixing part of the connecting piece 5, a second limiting part 13 which is arranged along the Y-axis direction and is opposite to the preset bending part of the connecting piece 5, the second limiting part 13 is vertically connected with one end of the first limiting part 12, and the intersection of the second limiting part 13 and the first limiting part 12 is opposite to the bending point of the connecting piece 5.
The X-axis direction, the Y-axis direction and the Z-axis direction are the X-axis direction, the Y-axis direction and the Z-axis direction in a three-dimensional coordinate system.
In order to ensure that the preset bending part cannot deflect in the X-axis direction in the process of bending the preset bending part, the distance between the adjacent connecting pieces 5 is changed. The opposite side surfaces of the adjacent second limiting parts 13 comprise vertical parts 15 limiting the preset bending parts, the height of each vertical part 15 is smaller than 1/2, and the length of each preset bending part is more than or equal to 1/4. Through the arrangement of the vertical part 15, the preset bending part is limited in the X-axis direction in the whole bending process, so that the product cannot deflect in the X-axis direction in the bending process, and the bending effect of the product is ensured. In a preferred embodiment, the vertical portion 15 has a right-angled trapezoid shape.
In a preferred embodiment, the side surface of the second position-limiting portion 13 further includes a guiding inclined surface 16 connected to the vertical portion 15, and the guiding inclined surfaces 16 disposed opposite to each other are symmetrical. The guide slope 16 is provided to facilitate the placement of a plurality of the connectors 5 located in the same row on the connector body 4 in the fixing groove, thereby improving the fixing efficiency thereof.
Referring to fig. 4, the pressing device 2 includes a pressing block 21, the pressing block 21 is disposed above the first limiting portion 12, and the pressing block 21 abuts against both the fixing portion and the second limiting portion 13. Under the action of bending force, the fixed part and one side, facing the fixed part, of the preset bending part are abutted to the material pressing block 21, the bending point is formed between the fixed part and the preset bending part, and the same bending point is guaranteed in the process of bending at each time.
The pressing device 2 comprises a pressing base 22, a pressing block 21 fixed on the pressing base 22, and a second lifting mechanism 23 connected with the pressing base 22 and driving the pressing base 22 to move towards or away from the fixed block 11. The second elevating mechanism 23 is driven to make the pressing block 21 contact with a fixing portion provided in the fixing groove.
Referring to fig. 3 and 7, the material folding device 3 includes a material folding member 31 located on one side of the second limiting portion 13 away from the first limiting portion 12, a first lifting mechanism 32 connected to the material folding member 31 and driving the material folding member 31 to apply a first bending force to the stressed portion of the preset bending portion, and a horizontal moving mechanism 33 connected to the material folding member 31 and driving the material folding member 31 to apply a second bending force to the stressed portion of the preset bending portion. The bending process of the preset bending part is divided into two steps, including that the preset bending part is jacked upwards relative to the fixed part, and the first bending angle is formed between the preset bending part and the fixed part. And then pushing the preset bending part to one side of the fixing part, so that the first bending angle is changed into the target bending angle, and the target bending angle is smaller than the first bending angle. The bending process of the preset bending part is more gentle by two steps of vertical operation and horizontal operation, and the connecting piece 5 is prevented from deforming.
In a preferred embodiment, a first inclined surface 14 is disposed on one side of the fixing block 11 facing the material folding member 31, the material folding member 31 is disposed with a second inclined surface 34 opposite to the first inclined surface 14, and an included angle between the second inclined surface 34 and the Y-axis direction is greater than an included angle between the first inclined surface 14 and the Y-axis direction. The included angle between the second inclined surface 34 and the Y-axis direction is an angle α in the figure, and the included angle between the first inclined surface 14 and the Y-axis direction is an angle β in the figure. And the alpha is larger than the beta, so that the material folding part 31 can approach to a bending point, the stress part on the preset bending part is positioned near the bending point, the deformation is reduced, and the bending effect is improved.
In a preferred embodiment, an arc-shaped section 35 for abutting against the stressed portion of the preset bending portion is disposed on one side of the material folding member 31 facing the fixed block 11, one end of the arc-shaped section 35 is connected to the second inclined surface 34, and the other end of the arc-shaped section 35 is connected to the upper surface of the material folding member 31. The arc-shaped section 35 is arranged to make its action on the force-receiving part softer.
Referring to fig. 7, the material folding device 3 further includes a material folding seat, a plurality of sliding grooves are arranged in parallel on the material folding seat along the Z-axis direction, and each sliding groove is connected with one material folding member 31 in a sliding manner. The material folding device can move along the sliding groove when the horizontal moving mechanism 33 drives the material folding part 31 to move, and the accuracy of the direction is guaranteed.
In a preferred embodiment, the first lifting mechanism 32 includes a cam mechanism 36 disposed at the bottom of the material folding seat, and a driving motor 37 connected to the cam mechanism 36.
The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. A method of bending a connector, comprising:
arranging a plurality of connecting pieces in a fixing groove of a fixing block at intervals along the X-axis direction, wherein a first inclined surface is arranged on one side, facing a material folding part, of the fixing block, the material folding part is provided with a second inclined surface opposite to the first inclined surface, and the included angle alpha between the second inclined surface and the Y-axis direction is larger than the included angle beta between the first inclined surface and the Y-axis direction;
fixing the periphery of a fixing part of the connecting piece in the fixing block, limiting a preset bending part of the connecting piece along the X-axis direction, and enabling a stress part of one end, away from the fixing part, of the preset bending part to be suspended above the first inclined plane;
a first bending force along the Y-axis direction is applied to the stressed part by a bending piece, so that the preset bending part rotates around a bending point between the fixed part and the preset bending part in a vertical plane perpendicular to the X-axis direction, and a first bending angle is formed between the fixed part and the preset bending part;
the material folding part is close to the bending point and is right the stress part acts on a second bending force parallel to the extending direction of the connecting piece, so that the preset bending part winds the bending point is used for bending the first bending angle to form a target bending angle, and the target bending angle is smaller than the first bending angle.
2. A processing apparatus to which the method of bending a connecting member according to claim 1 is applied, comprising:
the fixing device comprises a fixing block, a plurality of limiting parts are distributed at the top end of the fixing block along the X-axis direction, a fixing groove for placing a connecting piece is formed between every two adjacent limiting parts, each limiting part comprises a first limiting part which is arranged along the Z-axis direction and is opposite to the fixing part of the connecting piece, and a second limiting part which is arranged along the Y-axis direction and is opposite to the preset bending part of the connecting piece, the second limiting part is vertically connected with one end of the first limiting part, and the intersection of the second limiting part and the first limiting part is opposite to the bending point of the connecting piece;
the pressing device comprises a pressing block, the pressing block is arranged above the first limiting part, and the pressing block is abutted against the fixing part and the second limiting part;
the material folding device comprises a material folding part, a first lifting mechanism and a horizontal moving mechanism, wherein the material folding part is positioned on one side, away from the first limiting part, of the second limiting part, the first lifting mechanism is connected with the material folding part and drives the material folding part to apply a first bending force to a stress part of the preset bending part, and the horizontal moving mechanism is connected with the material folding part and drives the material folding part to apply a second bending force to the stress part;
the fixed block orientation one side of folding the material piece is provided with first inclined plane, fold the material piece be provided with the relative second inclined plane of first inclined plane, the second inclined plane with contained angle between the Y axle direction is greater than first inclined plane with contained angle between the Y axle direction.
3. The processing apparatus of claim 2, wherein: one side of the material folding part facing the fixed block is provided with an arc-shaped section which is used for abutting against the stressed part, one end of the arc-shaped section is connected with the second inclined plane, and the other end of the arc-shaped section is connected with the upper surface of the material folding part.
4. The processing apparatus of claim 2, wherein: adjacent the opposite side of the spacing portion of second is including right preset the spacing perpendicular portion of bending, the height of perpendicular portion is less than 1/2 preset the length of the portion of bending, and more than or equal to 1/4 preset the length of the portion of bending.
5. The processing apparatus of claim 4, wherein: the vertical part is in a right trapezoid shape.
6. The processing apparatus of claim 4, wherein: the side surface of the second limiting part further comprises a guide inclined plane connected with the vertical part, and the guide inclined planes which are oppositely arranged are symmetrical.
7. The processing apparatus of claim 2, wherein: the material folding device further comprises a material folding seat, a plurality of sliding grooves along the Z-axis direction are arranged on the material folding seat in parallel, and each sliding groove is connected with one material folding part in a sliding mode.
8. The processing apparatus of claim 7, wherein: the first lifting mechanism comprises a cam mechanism arranged at the bottom of the material folding seat and a driving motor connected with the cam mechanism.
9. The processing apparatus of claim 2, wherein: the pressing device comprises a pressing seat, a pressing block fixed on the pressing seat, and a second lifting mechanism connected with the pressing seat and driving the pressing seat to move towards or away from the fixing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110027731.5A CN112338021B (en) | 2021-01-11 | 2021-01-11 | Bending method and processing equipment for connecting piece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110027731.5A CN112338021B (en) | 2021-01-11 | 2021-01-11 | Bending method and processing equipment for connecting piece |
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| CN112338021A CN112338021A (en) | 2021-02-09 |
| CN112338021B true CN112338021B (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110027731.5A Active CN112338021B (en) | 2021-01-11 | 2021-01-11 | Bending method and processing equipment for connecting piece |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113996725B (en) * | 2021-10-26 | 2024-03-15 | 深圳市优创兴电子科技有限公司 | Accurate bending device of multirow policy based on servo motor |
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| CN104242019A (en) * | 2014-10-09 | 2014-12-24 | 苏州博众精工科技有限公司 | Flexible flat cable bending mechanism |
| CN205790894U (en) * | 2016-05-27 | 2016-12-07 | 泰科电子(上海)有限公司 | Terminal bending tool |
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| CN112338021A (en) | 2021-02-09 |
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