CN211071395U - Workpiece bending device - Google Patents
Workpiece bending device Download PDFInfo
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- CN211071395U CN211071395U CN201921607711.XU CN201921607711U CN211071395U CN 211071395 U CN211071395 U CN 211071395U CN 201921607711 U CN201921607711 U CN 201921607711U CN 211071395 U CN211071395 U CN 211071395U
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- connecting rod
- workpiece
- bending
- guide seat
- sliding block
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Abstract
The utility model relates to a work piece bending device. The workpiece bending device comprises a first guide seat and a second guide seat, a first sliding block and a second sliding block are respectively assembled on the first guide seat and the second guide seat in a guiding mode, a driving device is arranged on the first guide seat, a pushing head is arranged on the second sliding block, a connecting rod is arranged between the first guide seat and the second guide seat, the connecting rod has a stress application state in the motion process, and the included angle between the connecting rod and the second guide seat is smaller than 45 degrees when the connecting rod is in the stress application state. When contained angle between connecting rod and the second guide holder is less than 45, the connecting rod is greater than the thrust of first slider to the connecting rod to the thrust of second slider, and the thrust that can make the top to push the head and receive through the connecting rod is greater than drive arrangement's output power, and when the required power of bending of the work piece of bending was unchangeable, the work piece bending device was less to drive arrangement's output power's requirement, the utility model discloses a work piece bending device can satisfy the production demand of the work piece that needs to bend, realizes mechanized operation.
Description
Technical Field
The utility model relates to a work piece bending device.
Background
The high-voltage lead is an important component in the transformer, mainly plays a role in current conduction, and is generally formed by bending a copper pipe. The high-voltage lead wire is small in product batch, multiple in specification and not suitable for mass production, the bending process is usually completed manually by workers, but the manual bending has the problems of large labor amount and low efficiency, and the mechanical bending equipment is high in purchase price, so that the production cost of the high-voltage lead wire is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a workpiece bending device for solve the work piece of little batch, many specifications in the prior art, adopt the artifical intensity of labour that bends big, inefficiency, the problem that the equipment price is high of mechanizing bending.
In order to achieve the purpose, the technical scheme of the workpiece bending device in the utility model is that the workpiece bending device comprises a device base body, a first guide seat and a second guide seat which are arranged in L shapes are arranged on the device base body, a first slide block and a second slide block are respectively assembled on the first guide seat and the second guide seat in a guiding way, and the guiding movement directions of the first slide block and the second slide block are mutually vertical;
the first guide seat is provided with a driving device, and the driving device is used for driving the first sliding block to stretch and retract in a guiding manner;
the second sliding block is provided with a pushing head, and the pushing head is used for pushing the workpiece to realize the bending of the workpiece;
a connecting rod is arranged between the first guide seat and the second guide seat, and two ends of the connecting rod are respectively hinged with the first guide seat and the second guide seat and are used for converting the guiding telescopic motion of the first sliding block into the guiding telescopic motion of the second sliding block;
the connecting rod has a stress application state in the motion process, and the included angle between the connecting rod and the second guide seat is less than 45 degrees when the connecting rod is in the stress application state.
The utility model discloses well work piece bending device's beneficial effect is: the utility model discloses a through the connecting rod with the direction concertina movement conversion of first slider for the direction concertina movement of second slider, contained angle between connecting rod and second guide holder is less than 45, the connecting rod is greater than the thrust of first slider to the connecting rod to the thrust of second slider, and the thrust that can make the top push head receive through the connecting rod is greater than drive arrangement's output power, and when the required power of bending of the work piece of bending was unchangeable, work piece bending device is less to drive arrangement's output power's requirement, the utility model discloses a work piece bending device can satisfy the production demand of the work piece that needs to bend, realizes mechanized operation, simple structure, and manufacturing cost is lower.
Furthermore, the connecting rod has a bending stroke for bending the workpiece in the movement process, and the whole bending stroke of the connecting rod is in a stress application state.
The bending device has the beneficial effect of facilitating bending of the workpiece.
Furthermore, the angle range of the included angle between the connecting rod corresponding to the bending stroke and the second guide seat is 0-30 degrees.
The pushing device has the beneficial effects that the proportion of the thrust force borne by the pushing head to the output force of the driving device is proper.
Further, the driving device is an air cylinder.
The hydraulic oil leakage prevention device has the advantages that compared with a scheme that the oil cylinder is adopted by the driving device, the hydraulic oil leakage prevention device is free from the problem of hydraulic oil leakage, the site is clean and tidy, the cost of the air cylinder is low, and the production cost of workpieces is reduced.
Furthermore, the workpiece bending device also comprises a workpiece supporting seat, wherein the workpiece supporting seat is arranged in front of the pushing head in the telescopic direction and is used for supporting the non-bending part of the workpiece so as to provide reverse supporting force for bending the workpiece.
The processing method has the beneficial effects that an integral structure is formed, and the processing precision of the workpiece is favorably ensured.
Further, the supporting seat has two, and two supporting seats are arranged symmetrically with respect to the movement plane of the connecting rod.
The bending device has the beneficial effects that the driving device and the second guide seat are prevented from interfering the bent rod piece to influence the shape of the rod piece.
Furthermore, a groove is formed in the supporting seat and/or the pushing head and used for being matched with the shape of the workpiece.
The bending machine has the beneficial effects that the bending process of the workpiece is righted, so that the workpiece is formed in one surface.
Furthermore, avoidance grooves for avoiding the bent rod pieces are arranged on two sides of the second sliding block, which are positioned on the pushing head.
The pushing head has the beneficial effects that the pushing head can be set to be in a wider width form, and the bending of a workpiece is facilitated.
Drawings
FIG. 1 is a three-dimensional view of one embodiment of a workpiece bending apparatus of the present invention;
FIG. 2 is a schematic view of the second slider and the roller of FIG. 1 in cooperation with the copper tube;
in the figure: 1. the device comprises a first guide seat, a second guide seat, a cylinder, a first sliding block guide piece, a second sliding block guide piece, a connecting rod, a second sliding block guide piece, a guide block, a second sliding block guide piece, a guide block guide piece guide.
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
The utility model discloses a concrete embodiment of a work piece bending device for copper pipe is bent, as shown in FIG. 1, the work piece bending device is including the first guide holder 1 and the second guide holder 2 that are L shape and arrange, first guide holder 1 sets up on second guide holder 2, the mesa of first guide holder 1 is mutually perpendicular with the mesa of second guide holder 2, the mesa of first guide holder 1 is vertical face, the mesa of second guide holder 2 is the horizontal plane, the back of first guide holder 1 and second guide holder 2 all is equipped with the strengthening rib, the strengthening rib on the second guide holder 2 encloses into the rectangle in order to increase the intensity of second guide holder 2, the strengthening rib of first guide holder 1 supports on the mesa of second guide holder 2 to prevent that first guide holder 1 from producing the side skew for second guide holder 2.
The workpiece bending device also comprises a cylinder 3, a connecting rod 6, a second sliding block 7, a first sliding block 4 and a roller 10; the rollers 10 are provided with two rollers, and are arranged on the second guide seat 2 in a mode that the axis is vertical through the same roller mounting seat 9, and the arrangement direction of the rollers 10 is simultaneously parallel to the plate surface of the first guide seat 1 and the plate surface of the second guide seat 2. The space between the two rollers 10 forms an avoiding space for avoiding the second slider 7 and the copper pipe 11, an avoiding groove 91 is arranged at the position of the roller mounting seat 9 corresponding to the avoiding space, and the avoiding groove 91 avoids the roller mounting seat 9 from interfering the movement of the second slider 7. The roller 10 is provided with the annular groove 101, the shape of the annular groove 101 is matched with the outer peripheral surface of the copper pipe 11, so that stress concentration of the copper pipe 11 at the contact point with the roller 10 in the bending process is reduced, deformation of the copper pipe at the corresponding position of the roller 10 is reduced, the copper pipe 11 and the annular groove 101 can be matched to centralize the bending process of the copper pipe, the bent copper pipe 11 is also positioned in the same plane, and the roller 10 forms a workpiece supporting seat.
The cylinder 3 is arranged on the first guide block 1 with its axis vertical, and the output end of the cylinder 3 faces the second guide block 2. The first sliding block 4 is arranged at the output end of the air cylinder 3 and moves in a guiding mode along the axis of the air cylinder 3, the specific guiding mode is that a first sliding block guiding part 5 is arranged on the first guiding seat 1, a T-shaped guiding groove extending along the axial direction of the air cylinder 3 is arranged on the first sliding block guiding part 5, the first sliding block guiding part 5 comprises a sliding groove block and a pressing strip which are fixed through a bolt, the sliding groove block and the pressing strip enclose the T-shaped guiding groove, the T-shaped guiding groove is matched with the first sliding block 4 in shape, and the moving direction of the first sliding block 4 is guided through the blocking effect of the groove wall of the T-shaped guiding groove on the first sliding block 4. The first slider 4 is provided with a link insertion hole into which an end of the link 6 is inserted, and a portion of the link 6 inserted into the link 6 insertion hole is hinged to the first slider 4 by a pin.
The other end of the connecting rod 6 is hinged with the second sliding block 7 so as to push the second sliding block 7 to move through the first sliding block 4 and the connecting rod 6 when the air cylinder 3 acts, the rollers 10 and the second sliding block 7 are located in the same horizontal plane, and the two rollers 10 are located on two sides of the second sliding block 7 respectively. Be equipped with the second slider guide 8 that leads to the direction of motion of second slider on the mesa of second guide holder 2, make the vertical face of direction of motion perpendicular to of second slider 7 through second slider guide 8, concrete direction form is: the second slider guide 8 comprises a sliding groove block and a pressing strip which are fixed through bolts, the sliding groove block and the pressing strip are enclosed to form a second slider accommodating groove, the side walls of the two side grooves of the second slider accommodating groove are respectively provided with a guide groove, the two sides of the second slider 7 are provided with guide blocks 71, the guide blocks 71 are blocked through the groove walls of the guide grooves, the second slider 7 is prevented from being separated from the second slider accommodating groove, and the second slider guide 8 and the second slider 7 form a slide rail and slider structure to guide the moving direction of the second slider 7.
The second sliding block 7 comprises a pushing head 74, a pushing head groove 72 is formed in the pushing head 74, the shape of the pushing head groove 72 is matched with the outer peripheral surface of the copper pipe to be bent, so that radial deformation of the copper pipe to be bent corresponding to the pushing head groove 72 is reduced, and bending of the copper sleeve 11 is righted. Avoidance grooves 73 are formed in the two sides, located in the pushing head groove 72, of the second sliding block 7, and the avoidance grooves 73 are used for avoiding the bent copper pipes.
The two ends of the connecting rod 6 are respectively provided with thread pairs with opposite screwing directions, and when the connecting rod 6 is rotated, the thread pairs at the two ends of the connecting rod 6 can be screwed in or out simultaneously, so that the total length of the connecting rod 6 is reduced or increased. Purpose of link 6 length adjustment: the smaller the included angle between the connecting rod 6 and the horizontal plane is, the larger the output force of the connecting rod 6 to the copper pipe 11 is, and the included angle between the connecting rod 6 and the horizontal plane corresponding to the bending stroke of the connecting rod 6 can be adjusted by adjusting the length of the connecting rod 6, so that the workpiece bending device can meet the thrust required by bending the copper pipe 11. However, the length of the connecting rod 6 is too short, which may cause the copper pipe 11 not to reach the set bending angle when the first sliding block 4 reaches the position of the limit bolt 12. Therefore, the length-adjustable connecting rod 6 is adopted, and the combined height-adjustable limiting bolt 12 can be adapted to the bending requirements of different workpieces.
All be equipped with the oil groove on the tank diapire wall of T shape guide way and the tank diapire wall of dodging recess 91, the oil groove is arranged in making lubricating oil be in the vice lubrication of guaranteeing the friction pair of corresponding friction.
When the cylinder 3 acts, the second sliding block 7 moves in a guiding way, and a bending stroke which is matched with the roller 10 to extrude the copper pipe so as to bend the copper pipe is arranged in the moving stroke of the second sliding block 7; the angle range of the included angle between the connecting rod 6 corresponding to the bending stroke and the second guide seat 2 is 0-30 degrees. The position of the second guide seat 2 below the first sliding block 4 is provided with a limiting bolt 12, and when the copper pipe 11 reaches a preset bending angle, the bolt head of the limiting bolt 12 prevents the first sliding block 4 from continuing to move downwards so as to prevent the copper pipe to be bent from being excessively bent due to the overlong bending stroke of the second sliding block 7 and influence the use. The height of the limit bolt 12 is adjustable so as to be suitable for the processing conditions of different workpieces. Because the second slider guide 8 has a certain height, even if there is the limit bolt 12, the included angle between the connecting rod 6 and the horizontal plane can still reach 0 °.
The working principle of the utility model is as follows: as shown in fig. 2, the operator holds the copper pipe 11 to place the copper pipe 11 between the rollers 10 and the second slider 7 in a manner parallel to the arrangement direction of the rollers 10, and keeps the copper pipe 11 in contact with the groove walls of the annular grooves 101 of the two rollers 10. And controlling the cylinder 3 to start to act, so that the output end of the cylinder 3 moves downwards, and the first sliding block 4 pushes the second sliding block 7 to approach the roller 10 through the connecting rod 6.
In the process that the connecting rod 6 promotes the second slider 7, the contained angle between connecting rod 6 and the horizontal plane diminishes gradually, carry out the atress analysis to connecting rod 6, can derive when the contained angle between connecting rod 6 and the horizontal plane is less than 45, first slider 4 is less than the thrust of connecting rod 6 to second slider 7 all the time to along with the reduction of the contained angle between connecting rod 6 and the horizontal plane, first slider 4 is also bigger and bigger to the thrust of connecting rod 6 and the difference between the thrust of connecting rod 6 to second slider 7.
When the angle between the connecting rod 6 and the horizontal plane is 30 degrees, the pushing head 74 contacts the copper tube 11 and clamps the copper tube 11 together with the roller 10. The second sliding block 7 continues to move towards the direction far away from the first guide seat 1 until the included angle between the connecting rod 6 and the table board of the second guide seat 2 is 0 degrees, the cylinder 3 is controlled to reset, the bent copper pipe is taken out, and the bending is completed.
In this embodiment, the included angle between the connecting rod 6 corresponding to the bending stroke of the second slider and the horizontal plane is 0-30 °, and in other embodiments, the included angle between the connecting rod corresponding to the bending stroke of the second slider and the horizontal plane can be adjusted according to the shape of the workpiece and the required bending angle.
In this embodiment, all the bending strokes of the links 6 are in the forced state, and in other embodiments, the bending strokes of the links may be in the forced state partially.
In the present embodiment, the cylinder 3 is disposed on the first guiding seat 1 in a vertical axis manner, i.e. the rollers 10 are symmetrically arranged about the movement plane of the connecting rod 6, in other embodiments, the cylinder may be disposed on the first guiding seat in other manners, e.g. disposed on the first guiding seat in a horizontal axis manner and located in the same plane with the movement direction of the second sliding block, and the output end of the cylinder is close to the movement direction of the second sliding block when the cylinder is driven.
In this embodiment, a roller groove 101 is formed on the support member, and the pushing head is provided with a pushing head groove 72 to reduce radial deformation of the copper pipe to be bent and to correct the bending process of the copper pipe, and in other embodiments, other forms may be adopted, for example, a groove is formed only on one of the pushing head and the roller; or the supporting piece is not provided with a supporting piece groove, and the pushing head is not provided with a pushing head groove, so that the form is suitable for the condition that the shape requirement of the piece to be bent is not high.
In this embodiment, the supporting structure is in the form of a roller 10, but in other embodiments, the supporting structure may also be in other forms, for example, a cylindrical supporting member fixed on the mounting base in a non-rotatable manner, the axis of the cylindrical supporting member is vertical, or a prism-shaped supporting structure, the edge surface forms a supporting surface for supporting the copper tube, and the joint between the adjacent side surfaces is processed into a round transition.
In this embodiment, the second slider 7 is provided with the avoidance grooves 73 at both ends of the ejector head, and in other embodiments, other forms may be adopted, for example, the second slider includes a second slider body and the ejector head, the second slider body and the ejector head are fixedly connected by a connecting rod, an avoidance space for avoiding the bent rod member exists at both sides of the connecting rod, or the depth of the annular groove on the roller is set to be a deeper form; or; the width of the second slider is set to be narrower.
In this embodiment, the driving device is an air cylinder, and in other embodiments, the driving device may be in other forms, for example, a hydraulic oil cylinder.
In this embodiment, the workpiece bending apparatus includes a workpiece support base, and in other embodiments, other forms may be adopted, for example, the workpiece bending apparatus does not include a workpiece support base, and the workpiece support base is additionally provided.
In the present embodiment, the workpiece bending apparatus is used for bending a copper tube, and in other embodiments, the apparatus may be used for bending other workpieces, for example, a solid cylindrical workpiece and a plate-shaped workpiece.
Claims (8)
1. The workpiece bending device is characterized by comprising a device base body, wherein a first guide seat and a second guide seat which are arranged in an L shape are arranged on the device base body, a first sliding block and a second sliding block are respectively assembled on the first guide seat and the second guide seat in a guiding mode, the guiding movement directions of the first sliding block and the second sliding block are mutually perpendicular, a driving device is arranged on the first guide seat and used for driving the first sliding block to stretch in a guiding mode, a pushing head is arranged on the second sliding block and used for pushing a workpiece to achieve bending of the workpiece, a connecting rod is arranged between the first guide seat and the second guide seat, two ends of the connecting rod are respectively hinged with the first guide seat and the second guide seat and used for converting the stretching movement of the first sliding block into the stretching movement of the second sliding block, the connecting rod has a stress application state in the movement process, and the included angle between the connecting rod and the second guide seat is smaller than 45 degrees when the connecting rod is in the stress.
2. The workpiece bending apparatus according to claim 1, wherein: the connecting rod has a bending stroke for bending a workpiece in the movement process, and the whole bending stroke of the connecting rod is in a stress application state.
3. The workpiece bending apparatus according to claim 2, wherein: the angle range of the included angle between the connecting rod corresponding to the bending stroke and the second guide seat is 0-30 degrees.
4. The workpiece bending apparatus according to claim 1 or 2, wherein: the driving device is an air cylinder.
5. The workpiece bending apparatus according to claim 1 or 2, wherein: the workpiece bending device further comprises a workpiece supporting seat, wherein the workpiece supporting seat is arranged in front of the pushing head in the telescopic direction and used for supporting the non-bending part of the workpiece so as to provide reverse supporting force for bending the workpiece.
6. The workpiece bending apparatus according to claim 5, wherein: the supporting seats are two, and the two supporting seats are symmetrically arranged relative to the motion plane of the connecting rod.
7. The workpiece bending apparatus according to claim 5, wherein: the supporting seat and/or the pushing head are/is provided with a groove, and the groove is used for being matched with the shape of a workpiece.
8. The workpiece bending apparatus according to claim 1 or 2, wherein: and avoidance grooves for avoiding the bent rod piece are arranged on two sides of the second sliding block, which are positioned on the pushing head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921607711.XU CN211071395U (en) | 2019-09-25 | 2019-09-25 | Workpiece bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921607711.XU CN211071395U (en) | 2019-09-25 | 2019-09-25 | Workpiece bending device |
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| Publication Number | Publication Date |
|---|---|
| CN211071395U true CN211071395U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921607711.XU Active CN211071395U (en) | 2019-09-25 | 2019-09-25 | Workpiece bending device |
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| CN (1) | CN211071395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112547873A (en) * | 2019-09-25 | 2021-03-26 | 河南森源电气股份有限公司 | Workpiece bending device |
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2019
- 2019-09-25 CN CN201921607711.XU patent/CN211071395U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112547873A (en) * | 2019-09-25 | 2021-03-26 | 河南森源电气股份有限公司 | Workpiece bending device |
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