CN212792749U - Clamping mechanism of sheet metal bending machine - Google Patents
Clamping mechanism of sheet metal bending machine Download PDFInfo
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- CN212792749U CN212792749U CN202021198856.1U CN202021198856U CN212792749U CN 212792749 U CN212792749 U CN 212792749U CN 202021198856 U CN202021198856 U CN 202021198856U CN 212792749 U CN212792749 U CN 212792749U
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- 239000002184 metal Substances 0.000 title claims abstract description 37
- 238000005452 bending Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 238000010009 beating Methods 0.000 description 12
- 210000003205 muscle Anatomy 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The clamping mechanism of the sheet metal bending machine comprises a supporting seat, an upper pressing head and a driving unit, wherein the upper pressing head is positioned above the supporting seat, the driving unit is used for driving the upper pressing head to move up and down relative to the supporting seat, and a supporting surface is arranged on the supporting seat; go up the pressure head including connecting the fixed block at drive unit power take off end, be located the movable block of fixed block one side, the bottom of movable block is provided with towards the extension piece of keeping away from the fixed block extension, fixed block one side is provided with a guide part, this guide part is from top to bottom towards the middle part slope of fixed block gradually, the movable block can slide between the second place that is located the first position on guide part top and is located the guide part bottom along extending the guide part, when the movable block is located the first position, the lower surface of movable block, extend the lower surface parallel and level of block and the lower surface parallel and level of fixed block and constitute an upward pressure face jointly, upward pressure face and holding surface cooperation are in order to press from both sides tight. The utility model provides the high precision of bending has improved the work efficiency of bender, has simplified the structure of bender.
Description
Technical Field
The utility model relates to a sheet metal processing technology field, concretely relates to clamping mechanism of panel beating bender.
Background
When an existing sheet metal bending machine bends a sheet metal, a tool bit moves downwards to punch a sheet metal part arranged on a bending female die, so that the sheet metal part is bent according to the shape of the female die, and the bending machine can only be generally suitable for bending the sheet metal part in one direction; when the box-type sheet metal part shown in fig. 1 is bent, two bending processes are required to be performed on four sides of the sheet metal part respectively, and generally, a clamping mechanism is used for clamping a sheet metal on the inner side of a bending part, and then the sheet metal part is punched along the long side of the clamping mechanism through the up-and-down movement of a cutter head so as to enable the sheet metal part to be flanged; in the bending process, two opposite sides 11 and 12 are usually bent first, when the third side 13 is bent, two ends of an upper pressure head of the clamping mechanism are clamped at the bending parts of the sides 11 and 12 when the third side 13 is bent, and therefore after the third side 13 is bent, the upper pressure head of the clamping mechanism needs to be reversed, so that the upper pressure head can be separated from a workpiece, and therefore the bending machine is complex in structure and low in working efficiency.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims at providing a clamping mechanism of panel beating bender for improve the work efficiency of bender, simplify the structure of bender.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the clamping mechanism of the sheet metal bending machine comprises a supporting seat, an upper pressing head and a driving unit, wherein the upper pressing head is positioned above the supporting seat, the driving unit is used for driving the upper pressing head to move up and down relative to the supporting seat, and a supporting surface is arranged on the supporting seat; go up the pressure head including connecting the fixed block at drive unit power take off end, be located the movable block of fixed block one side, the bottom of movable block is provided with towards the extension piece of keeping away from the fixed block extension, fixed block one side is provided with a guide part, this guide part is from top to bottom towards the middle part slope of fixed block gradually, the movable block can slide between the second place that is located the first position on guide part top and is located the guide part bottom along extending the guide part, when the movable block is located the first position, the lower surface of movable block, extend the lower surface parallel and level of block and the lower surface parallel and level of fixed block and constitute an upward pressure face jointly, upward pressure face and holding surface cooperation are in order to press from both sides tight.
Two movable blocks are respectively arranged on two sides of the fixed block.
The guide part is a guide convex rib arranged on the fixed block, a guide groove matched with the guide convex rib is arranged on the movable block, the guide convex rib is embedded in the guide groove in a sliding manner, and the cross sections of the guide convex rib and the guide groove are all in a dovetail shape.
The guide part is a sliding groove arranged on the fixed block, and the movable block is provided with a sliding part embedded in the sliding groove in a sliding manner.
The bottom end of the guide part is provided with a limiting surface, the top end of the movable block is provided with a limiting lug, the limiting lug and the limiting surface form a limiting mechanism, and the limiting mechanism is used for preventing the movable block from being separated from the fixed block when the movable block is located at the second position.
The fixed block is detachably fixed with a limiting seat above the movable block, a positioning block is arranged on the bottom surface of the limiting seat in a protruding mode, a positioning groove matched with the positioning block is formed in the top surface of the movable block, and the cross sections of the positioning block and the positioning groove are V-shaped.
The beneficial effects of the utility model reside in that:
compared with the prior art, the utility model discloses a fixed block forms the combination formula with the movable block and goes up the pressure head, can be when the panel beating is bent, and the complete position of waiting to bend that compresses tightly the panel beating has improved the precision of bending, simultaneously, after accomplishing to bend, can dodge the panel beating through the removal of movable block, makes to go up the pressure head and breaks away from with the panel beating fast, has improved the work efficiency of bender, has simplified the structure of bender.
Drawings
FIG. 1 is a schematic view of a box-type sheet metal part;
fig. 2 is a schematic structural diagram of the present invention, and illustrates an operating state of the present invention;
fig. 3 is a schematic structural view of the upper pressing head of the present invention;
fig. 4 is a schematic view of another working state of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, 2, 3, and 4, for the clamping mechanism of the sheet metal bending machine of the present invention, it includes a supporting seat 50, an upper pressing head located above the supporting seat 50, and a driving unit, the driving unit is used for driving the upper pressing head to move up and down relative to the supporting seat 50, the driving unit may be a hydraulic cylinder on the bending machine, or a screw rod transmission mechanism driven by a motor as a driving unit to drive the upper pressing head to move up and down; the top of supporting seat 50 forms a holding surface, this holding surface is used for when pressing from both sides tight box sheet metal component 10, support in the lower surface of box sheet metal component 10, it includes fixed block 20 to go up the pressure head, two movable blocks 30, wherein, fixed block 20 is connected at drive unit's power take off end, two movable blocks 30 are located the both sides of fixed block 20 respectively, and the bottom of movable block 20 is provided with the extension piece 31 towards the direction extension of keeping away from fixed block 20, movable block 30 and the mobilizable cooperation of fixed block 20, and movable block 30 can be in the direction of an slope under the guide of the guide portion that lies in fixed block 20 and have the degree of freedom for the motion of fixed block 20, it is concrete, be provided with a guide portion respectively in the both sides of fixed block 20, the guide portion from top to bottom gradually inclines towards the middle part of fixed block 20, two movable blocks 30 are installed respectively on two guide portions, and movable block 30 can be in the same direction the guide portion lie in the first Slide between two positions, when the movable block 30 rebound to the primary importance that is located the guide part top, the lower surface of movable block 30 and the lower surface parallel and level of fixed block 20, at this moment, the lower surface of movable block 30, extend the lower surface of piece 31 and the lower surface parallel and level of fixed block 20 and constitute a plane jointly, this plane is promptly for last pressurized surface, it sets up relatively with the holding surface on the above-mentioned supporting seat 50 to go up the pressurized surface, go up the pressurized surface and the cooperation of holding surface in order to press from both sides tight panel beating, it is concrete, the holding surface supports the lower surface with box sheet metal component 10, and it is the upper surface department of establishing the portion of waiting to bend at box sheet metal component 10 that the pressurized surface.
Referring to fig. 2, the two opposite sides of the box-type sheet metal part 10 are bent first, and when the third side of the box-type sheet metal part 10 is bent, the two movable blocks 30 on the upper press head are at the first position, the upper press surface and the supporting surface clamp the part to be bent at the third edge of the box-type sheet metal part 10, at this time, the extending blocks 31 on the two movable blocks 30 are respectively embedded at two opposite sides of the box-type sheet metal part 10 which is already bent, that is, the upper pressing surface is a part to be bent which is completely pressed at the third side, so that the cutter head of the bending machine moves from bottom to top, the third edge is bent, and the upper pressing surface and the supporting surface completely clamp the part to be bent, so that the length of the bending tool bit can be larger than that of the part to be bent of the box type sheet metal part, the bending precision is improved, two ends of the cutter head respectively protrude out of two ends of the third edge, and the cutter head cannot interfere with two bent edges; when the bending of the third side is finished, the driving unit drives the fixed block 20 to move upwards, as shown in fig. 4, the two movable blocks 30 slide downwards along the guide part under the action of the neutral position of the two movable blocks 30, and the guide part is obliquely arranged, so that the movable blocks 30 have displacement moving towards the middle part of the fixed block 20 along the transverse direction, that is, when the fixed block 20 moves upwards, the movable blocks 30 move towards the middle part of the fixed block 20 and can be separated from two bent opposite sides of the box-type sheet metal part 10, so that the separation of the upper pressing head and the box-type sheet metal part 10 is realized, on the contrary, when the third side of the box-type sheet metal part 10 is bent, the fixed block 20 is in a high position, the upper pressing head is in a state shown in fig. 4, the movable blocks 30 are in a second position at the bottom end of the guide part, and in this state, the driving unit drives the upper pressing head to move downwards, and the two movable blocks, under the drive of the driving unit, the fixed block 20 continuously moves downwards, when the lower surface of the fixed block 20 is contacted with a part to be bent of the box-type sheet metal part 10, the movable block 30 slides to the first position, when the movable block 30 slides along the extending guide part, the extending block 31 transversely moves towards the direction far away from the fixed block 20, is embedded into the bent opposite side, and finally, the upper surface of the part to be bent of the third side is completely pressed.
Compared with the prior art, the utility model discloses a fixed block forms the combination formula with the movable block and goes up the pressure head, can be when the panel beating is bent, and the complete position of waiting to bend that compresses tightly the panel beating has improved the precision of bending, simultaneously, after accomplishing to bend, can dodge the panel beating through the removal of movable block, makes to go up the pressure head and breaks away from with the panel beating fast, has improved the work efficiency of bender, has simplified the structure of bender.
The utility model discloses in, the preferred protruding muscle 21 that is set up to the direction that is located on the fixed block 20 of foretell guide part is provided with the guide way 32 that matches with the protruding muscle 21 of direction on the movable block 30, and the gliding embedding of the protruding muscle 21 of direction is in guide way 32 to, the shape of cross section of the protruding muscle 21 of direction and guide way 32 is the dovetail to prevent that movable block 30 and fixed block 20 from droing. Of course, the guide rib 21 may be provided on the movable block 30 and the corresponding guide groove 32 may be provided on the fixed block 20.
The guide portion may be a slide groove provided in the fixed block 20, and the movable block 30 may be provided with a slide portion slidably fitted in the slide groove, specifically, a square pin or the like placed in the slide groove, which also allows the movable block 30 to have a degree of freedom of sliding in an oblique direction with respect to the fixed block 20.
The bottom end of the guide part is provided with a limiting surface 22, the top end of the movable block 30 is provided with a limiting lug 33 protruding towards the fixed block 20, the limiting lug 33 and the limiting surface 22 form a limiting mechanism, when the movable block 30 moves to transfer to the second position, the limiting lug 33 abuts against the limiting surface 22, and the movable block 30 can be prevented from being separated from the fixed block 20.
Furthermore, in order to promote the tight precision of clamp, promote the precision of bending of panel beating then, the utility model discloses detachable is fixed with a spacing seat 40 on fixed block 20, spacing seat 40 is located the top of movable block 30, the bottom surface of spacing seat 40 is convex to be provided with locating piece 41, the top surface of movable block 30 is provided with positioning groove 34, positioning groove 34 cooperatees with locating piece 41, its two cross-section all is the V-arrangement, when the movable block 30 moves upwards, positioning piece 41 is embedded into positioning groove 34, utilize its two V-arrangement structure, can carry out centering location to movable block 30, avoid movable block 30 to take place the skew when being in the primary importance.
It should be emphasized that the upper pressing head of the present invention may also include a movable block 30, that is, the movable block 30 is disposed on one side of the fixed block 20, and is only used for avoiding a previous bent edge on the box-type sheet metal component.
The foregoing is merely a preferred embodiment of the present invention, and further details of the present invention are described in conjunction with specific preferred embodiments, which should not be construed as limiting the practice of the invention to these descriptions. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The clamping mechanism of the sheet metal bending machine is characterized by comprising a supporting seat, an upper pressure head positioned above the supporting seat and a driving unit for driving the upper pressure head to move up and down relative to the supporting seat, wherein a supporting surface is arranged on the supporting seat; go up the pressure head including connecting the fixed block at drive unit power take off end, be located the movable block of fixed block one side, the bottom of movable block is provided with towards the extension piece of keeping away from the fixed block extension, fixed block one side is provided with a guide part, this guide part is from top to bottom towards the middle part slope of fixed block gradually, the movable block can slide between the second place that is located the first position on guide part top and is located the guide part bottom along extending the guide part, when the movable block is located the first position, the lower surface of movable block, extend the lower surface parallel and level of block and the lower surface parallel and level of fixed block and constitute an upward pressure face jointly, upward pressure face and holding surface cooperation are in order to press from both sides tight.
2. The clamping mechanism of the sheet metal bending machine according to claim 1, wherein two movable blocks are respectively mounted on two sides of the fixed block.
3. The clamping mechanism of the sheet metal bending machine according to claim 1, wherein the guide portion is a guide rib provided on the fixed block, the movable block is provided with a guide groove matched with the guide rib, the guide rib is slidably embedded in the guide groove, and the cross sections of the guide rib and the guide groove are both dovetail-shaped.
4. The clamping mechanism of the sheet metal bending machine according to claim 1, wherein the guide portion is a sliding groove disposed on the fixed block, and the movable block is provided with a sliding portion slidably embedded in the sliding groove.
5. The clamping mechanism of sheet metal bending machine according to claim 1, wherein the bottom end of the guide portion has a limiting surface, the top end of the movable block has a limiting protrusion, and the limiting protrusion and the limiting surface form a limiting mechanism for preventing the movable block from being separated from the fixed block when the movable block is in the second position.
6. The clamping mechanism of the sheet metal bending machine according to claim 1, wherein the fixed block is detachably fixed with a limiting seat above the movable block, a positioning block is convexly arranged on the bottom surface of the limiting seat, a positioning groove matched with the positioning block is arranged on the top surface of the movable block, and the positioning block and the positioning groove are both V-shaped in cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021198856.1U CN212792749U (en) | 2020-06-24 | 2020-06-24 | Clamping mechanism of sheet metal bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021198856.1U CN212792749U (en) | 2020-06-24 | 2020-06-24 | Clamping mechanism of sheet metal bending machine |
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| Publication Number | Publication Date |
|---|---|
| CN212792749U true CN212792749U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021198856.1U Active CN212792749U (en) | 2020-06-24 | 2020-06-24 | Clamping mechanism of sheet metal bending machine |
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| Country | Link |
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| CN (1) | CN212792749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309271A (en) * | 2021-12-31 | 2022-04-12 | 江苏爱博电气有限公司 | Plate bending equipment for electrical cabinet production |
-
2020
- 2020-06-24 CN CN202021198856.1U patent/CN212792749U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309271A (en) * | 2021-12-31 | 2022-04-12 | 江苏爱博电气有限公司 | Plate bending equipment for electrical cabinet production |
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