CN214078631U - Crease-resistance mechanism of section bar bending equipment - Google Patents
Crease-resistance mechanism of section bar bending equipment Download PDFInfo
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- CN214078631U CN214078631U CN202022217823.3U CN202022217823U CN214078631U CN 214078631 U CN214078631 U CN 214078631U CN 202022217823 U CN202022217823 U CN 202022217823U CN 214078631 U CN214078631 U CN 214078631U
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Abstract
The utility model discloses a crease-resistance mechanism of section bar bending equipment, the crease-resistance mechanism is installed on the bending die of the bending equipment, and comprises a first elastic component, a second elastic component, a bendable connecting piece, a stretching component which can be stretch-bent and always supports against the surface of a section bar to be bent, a first supporting block clamped between a slip form and a wheel mold and a second supporting block clamped between a clamping mold and the wheel mold; one end of the connecting piece is connected with one end, far away from the first supporting block, of the first elastic component, and the other end of the connecting piece sequentially penetrates through the center of the first supporting block, the center of the stretching component and one end, far away from the second supporting block, of the second elastic component along one direction to be connected. The utility model discloses can avoid the section bar to corrugate on the surface at stretch bending in-process, improve the yield of product.
Description
Technical Field
The utility model belongs to the technical field of the section bar processing technique and specifically relates to indicate a crease-resistance mechanism of section bar bending apparatus.
Background
The bending of the original aluminium window profile requires the aluminium profile to be placed in a bending mould of a bending apparatus for the bending operation. The bending process of the aluminum profile comprises the following steps: a plurality of wheel molds are adopted to tightly abut against the inner groove of the aluminum profile, and the straight edge and the outer side surface are pressed tightly by a sliding mold and a clamping mold; after the sliding mold and the clamping mold compress the aluminum profile, the sliding mold slides to a specified position in a straight line, and the clamping mold rotates around the wheel mold for a certain angle under the action of an oil cylinder of the bending equipment to bend the straight-line aluminum profile to form the aluminum profile with the R angle. However, the existing bending die is suitable for bending most of aluminum profiles with narrow straight edges or without the straight edges, when the straight edges of the aluminum profiles are wide, the slip die and the clamping die cannot completely press the surfaces of the aluminum profiles, so that the surfaces of the straight edges at the R corners of the bent aluminum profiles are wrinkled, pulled and cracked, and the like, and the defective rate of products is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a crease-resistance mechanism of section bar bending apparatus, solve the defect that the straight mouthful of limit surface of aluminium alloy back R angle department of buckling is wrinkled easily.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a crease-resist mechanism of a section bar bending device is arranged on a bending die of the bending device and comprises a first elastic component, a second elastic component, a bendable connecting piece, a stretching component which can be stretched and bent and always supports against the surface of a section bar to be bent, a first supporting block clamped between a sliding die and a wheel die and a second supporting block clamped between a clamping die and the wheel die;
one end of the connecting piece is connected with one end, far away from the first supporting block, of the first elastic component, and the other end of the connecting piece sequentially penetrates through the first supporting block, the stretching component, the second supporting block and one end, far away from the second supporting block, of the second elastic component along one direction to be connected.
Further, the connecting piece is in a strip shape.
Further, the connecting piece is made of manganese steel sheets.
Furthermore, the connecting piece sequentially penetrates through the center of the first supporting block, the center of the stretching assembly and the center of the second supporting block along a direction.
Further, the stretching assembly comprises a plurality of compression blocks;
two adjacent compressing blocks are rotatably pressed against each other.
Furthermore, the longitudinal section of the compression block is in a hexagon shape which is symmetrical up and down;
two sides of the compressing block are respectively provided with a semi-cylindrical first bulge and a semi-cylindrical first groove;
the radius of the first protrusion is less than or equal to the radius of the first groove.
Furthermore, a second groove matched with the first protrusion is formed in one side, facing the compression block, of the first support block.
Furthermore, a second protrusion matched with the first groove is formed in one side, facing the pressing block, of the second supporting block.
Further, the first elastic assembly comprises a first spring and a first fixed block;
the first spring is arranged on one side of the first fixed block;
one end of the connecting piece penetrates through the first spring and is connected with the first fixing block.
Further, the first spring is a compression spring.
The beneficial effects of the utility model reside in that: in the utility model, the first supporting block, the stretching component and the second supporting block are clamped tightly through the first elastic component, the connecting component and the second elastic component; the first supporting block is clamped between the sliding form and the wheel mold, the second supporting block is clamped between the clamping mold and the wheel mold, the clamping mold drives the second supporting block to rotate under the driving of the oil cylinder, the first supporting block is kept still, the elastic assembly is stretched and bent, the elastic assembly is always abutted against the surface of the section, pressure is provided for the surface of the section, the surface of an R angle after the section is bent is prevented from wrinkling, and the yield of products is improved.
Drawings
Fig. 1 is a schematic structural diagram of a crease-resist mechanism of a profile bending device before profile bending according to an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic structural diagram of a crease-resist mechanism of a profile bending device after bending a profile according to an embodiment of the present invention;
fig. 5 is an exploded view of the second support block and the pressing block according to the embodiment of the present invention.
Description of reference numerals:
1. a first elastic member; 11. a first spring; 12. a first fixed block;
2. a second elastic member; 3. a connecting member;
4. a stretching assembly; 40. a V-shaped gap; 41. a compression block; 411. a first protrusion; 412. a first groove;
5. a first support block; 51. a second groove;
6. a second support block; 61. a second protrusion;
7. clamping a mold; 8. a wheel mold; 9. sliding a mould;
10. a linear profile; 101. an outer side surface; 102. a straight edge;
20. a profile with an R-angle.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 5, a wrinkle preventing mechanism of a profile bending apparatus is installed on a bending die of the bending apparatus, and includes a first elastic component, a second elastic component, a bendable connecting member, a stretching component capable of being stretch-bent and always abutting against the surface of a profile to be bent, a first supporting block clamped between a slip form and a wheel mold, and a second supporting block clamped between a clamping mold and the wheel mold;
one end of the connecting piece is connected with one end, far away from the first supporting block, of the first elastic component, and the other end of the connecting piece sequentially penetrates through the first supporting block, the stretching component, the second supporting block and one end, far away from the second supporting block, of the second elastic component along one direction to be connected.
The utility model discloses a theory of operation lies in:
the first supporting block is clamped between the sliding mould and the wheel mould, the second supporting block is clamped between the clamping mould and the wheel mould, the clamping mould drives the second supporting block to rotate under the driving of the oil cylinder, the first supporting block is kept still, the elastic component is stretched and bent, the elastic component is always pressed against the surface of the section, pressure is provided for the surface of the section, and the purpose of avoiding wrinkling of the R-angle surface of the section is achieved.
From the above description, the beneficial effects of the present invention are: in the utility model, the first supporting block, the stretching component and the second supporting block are clamped tightly through the first elastic component, the connecting component and the second elastic component; the first supporting block is clamped between the sliding form and the wheel mold, the second supporting block is clamped between the clamping mold and the wheel mold, the clamping mold drives the second supporting block to rotate under the driving of the oil cylinder, the first supporting block is kept still, the elastic assembly is stretched and bent, the elastic assembly is always abutted against the surface of the section, pressure is provided for the surface of the section, the surface of an R angle after the section is bent is prevented from wrinkling, and the yield of products is improved.
Further, the connecting piece is in a strip shape.
As can be seen from the above description, the connecting piece is in a strip shape, and the overall connecting stability of the crease-resist mechanism is improved.
Further, the connecting piece is made of manganese steel sheets.
As can be seen from the above description, the manganese steel sheet has high toughness and high hardness, so that the manganese steel sheet is used as the connecting member, and the connecting member can be prevented from being broken in the bending process.
Furthermore, the connecting piece sequentially penetrates through the center of the first supporting block, the center of the stretching assembly and the center of the second supporting block along a direction.
As can be seen from the above description, the connection member sequentially passes through the center of the first support block, the center of the tension member, and the center of the second support block in one direction, so that the elastic member can be more stably pressed between the two support blocks.
Further, the stretching assembly comprises a plurality of compression blocks;
two adjacent compressing blocks are rotatably pressed against each other.
According to the above description, in order to ensure that the stretching assembly can always abut against the straight edge surface of the stretch-bent profile, the stretching assembly should be smoothly stretch-bent, and therefore, a plurality of pressing blocks capable of rotating mutually are arranged to ensure the bending performance of the stretching assembly, and further prevent the straight edge surface of the profile from wrinkling.
Furthermore, the longitudinal section of the compression block is in a hexagon shape which is symmetrical up and down;
two sides of the compressing block are respectively provided with a semi-cylindrical first bulge and a semi-cylindrical first groove;
the radius of the first protrusion is less than or equal to the radius of the first groove.
According to the description, the longitudinal section of each pressing block is a hexagon which is symmetrical up and down, the arrangement space which can be used for the rotation of the pressing blocks is formed between two adjacent pressing blocks, the first protrusions and the first grooves are arranged on the two sides of each pressing block respectively, the two adjacent pressing blocks are pressed together through the first protrusions and the first grooves, and the smooth rotation of the pressing blocks is ensured.
Furthermore, a second groove matched with the first protrusion is formed in one side, facing the compression block, of the first support block.
Furthermore, a second protrusion matched with the first groove is formed in one side, facing the pressing block, of the second supporting block.
From the above description, it can be known that the second groove is formed on one side of the first supporting block, and the second protrusion is formed on one side of the second supporting block, so as to ensure smooth rotation between the first supporting block and the second pressing block and between the first supporting block and the different pressing blocks.
Further, the first elastic assembly comprises a first spring and a first fixed block;
the first spring is arranged on one side of the first fixed block;
one end of the connecting piece penetrates through the first spring and is connected with the first fixing block.
Further, the first spring is a compression spring.
According to the above description, the pressure spring and the first fixed block are arranged, the first fixed block is matched with the second elastic assembly, two fulcrums are formed at two ends of the crease-resist mechanism, and the pressure spring is used for forming supporting force between the first fixed block and the stretching assembly; first elastic component and the cooperation of second elastic component can compress tightly first supporting shoe, tensile subassembly and second supporting shoe, ensure holistic stability.
Example one
Referring to fig. 1-5, a wrinkle-resistant mechanism of a profile bending apparatus, the wrinkle-resistant mechanism is installed on a bending die of the bending apparatus, and includes a first elastic component 1, a second elastic component 2, a bendable connecting component 3, a stretching component 4 capable of being stretch-bent and always abutting against the surface of a profile to be bent, a first supporting block 5 clamped between a sliding form 9 and a wheel form 8, and a second supporting block 6 clamped between a clamping form 7 and the wheel form 8; one end of the connecting piece 3 is connected with one end of the first elastic component 1 far away from the first supporting block 5, and the other end of the connecting piece 3 sequentially penetrates through the center of the first supporting block 5, the center of the stretching component 4, the second supporting block 6 and one end of the second elastic component 2 far away from the second supporting block 6 along one direction to be connected. Preferably, the connecting member 3 is in the form of a band. Preferably, the connecting member 3 is a manganese steel sheet. The stretching assembly 4, the first supporting block 5 and the second supporting block 6 form a structure similar to a cuboid, namely, the outer surfaces of the structure formed by the stretching assembly 4, the first supporting block 5 and the second supporting block 6 are all planes.
Example two
This embodiment differs from the first embodiment in that the specific structure of the stretching assembly 4, the first elastic assembly 1 and the second elastic assembly 2 is defined.
Referring to fig. 2, the tension assembly 4 includes a plurality of compression blocks 41; two adjacent pressing blocks 41 are rotatably pressed against each other. Preferably, the pressing block 41 is provided with eighteen.
Referring to fig. 3 and 5, the longitudinal section of the pressing block 41 is a hexagon which is symmetrical up and down; a semi-cylindrical first protrusion 411 and a semi-cylindrical first groove 412 are respectively arranged on two sides of the pressing block 41; the radius of the first protrusion 411 is smaller than or equal to the radius of the first groove 412. Preferably, the material of the pressing block 41 is iron.
Referring to fig. 3, a second groove 51 matched with the first protrusion 411 is formed in one side, facing the pressing block 41, of the first support block 5, the upper end and the lower end, facing the pressing block 41, of the first support block 5 both have slopes, and the slopes are equal to the slopes of the surface, facing the first support block 5, of the pressing block 41.
Referring to fig. 5, a second protrusion 61 matched with the first groove 412 is formed on one side of the second supporting block 6 facing the pressing block 41, and both upper and lower ends of the second supporting block 6 facing the pressing block 41 have slopes, and the slopes are equal to the slopes of the pressing block 41 facing the surface of the second supporting block 6. Specifically, V-shaped gaps 40 are formed between the upper end and the lower end of each of two adjacent pressing blocks 41, between the upper end and the lower end of each of the pressing blocks 41 and the first support block 5, and between the upper end and the lower end of each of the pressing blocks 41 and the second support block 6 along the X-axis direction, so that the pressing blocks 41 can smoothly rotate.
Referring to fig. 1, a first elastic assembly 1 includes a first spring 11 and a first fixing block 12; the first spring 11 is arranged at one side of the first fixed block 12; one end of the connecting piece 3 passes through the first spring 11 and is connected with the first fixed block 12. Specifically, the connecting element 3, the first fixing block 12 and the second elastic element 2 may be connected by welding. Preferably, the first spring 11 is a compression spring. The second elastic element 2 has the same structure as the first elastic element 1, and is not described herein again.
The specific implementation process of the embodiment is as follows:
the outer side surface 101 of the linear profile 10 faces to one side which is far away from the wheel die 8 of the bending equipment and is placed on the wheel die 8 of the bending equipment, the crease-resist mechanism is placed on the outer side surface 101 of the linear profile 10, and the other side of the crease-resist mechanism is pressed against the surface of a straight edge 102 of the linear profile 10; the sliding die 9 of the bending device is pressed against the first supporting block 5, the clamping die 7 of the bending device is pressed against the second supporting block 6, the oil cylinder of the bending device drives the clamping die 7 to rotate around the axis of the wheel die 8, the linear section 10 is stretch-bent to form a section 20 with an R angle, and at the moment, the elastic component is always pressed against the surface of the straight edge 102 of the linear section 10.
In the present invention, the wheel mold 8, the sliding mold 9 and the clamping mold 7 of the bending apparatus are prior art, and are not described herein again.
To sum up, the utility model provides a pair of crease-resistance mechanism of section bar bending apparatus extrudees first supporting shoe, a plurality of compact heap and second supporting shoe through first elastic component and second elastic component, forms stable crease-resistance mechanism wholly, and at the sharp section bar in-process of being stretched and bent, first supporting shoe, a plurality of compact heap and second supporting shoe support all the time and press in the lateral surface and the straight edge of sharp section bar, can have pressure all the time to the section bar surface, avoid the section bar to stretch and bend back R angle surface and corrugate, improve the product yield.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. A crease-resist mechanism of a section bar bending device is used for being arranged on a bending die of the bending device and is characterized by comprising a first elastic component, a second elastic component, a bendable connecting piece, a stretching component which can be stretched and bent and always supports against the surface of a section bar to be bent, a first supporting block clamped between a sliding die and a wheel die and a second supporting block clamped between a clamping die and the wheel die;
one end of the connecting piece is connected with one end, far away from the first supporting block, of the first elastic component, and the other end of the connecting piece sequentially penetrates through the first supporting block, the stretching component and the second supporting block along a direction and is connected with one end, far away from the second supporting block, of the second elastic component.
2. The wrinkle preventing mechanism of a profile bending apparatus as claimed in claim 1, wherein the connecting member is formed in a band shape.
3. The wrinkle preventing mechanism of a profile bending apparatus as claimed in claim 1, wherein the connecting member is a manganese steel sheet.
4. The blank holder mechanism of a profile bending apparatus according to claim 1, wherein the connecting member passes through the center of the first support block, the center of the tension assembly, and the center of the second support block in order in one direction.
5. A profile bending apparatus wrinkle preventing mechanism according to claim 1, wherein said stretching assembly comprises a plurality of compressing blocks;
two adjacent compressing blocks are rotatably pressed against each other.
6. The wrinkle preventing mechanism of a profile bending apparatus according to claim 5, wherein a longitudinal section of the compressing blocks is formed in a hexagonal shape which is symmetrical up and down;
two sides of the compressing block are respectively provided with a semi-cylindrical first bulge and a semi-cylindrical first groove;
the radius of the first protrusion is less than or equal to the radius of the first groove.
7. The blank-preventing mechanism of a profile bending device according to claim 6, wherein a second groove matched with the first protrusion is formed on one side of the first supporting block facing the pressing block.
8. The blank-resisting mechanism of a profile bending device according to claim 6, wherein a side of the second supporting block facing the pressing block is provided with a second protrusion matched with the first groove.
9. The wrinkle preventing mechanism of a profile bending apparatus as claimed in claim 1, wherein the first elastic means comprises a first spring and a first fixing block;
the first spring is arranged on one side of the first fixed block;
one end of the connecting piece penetrates through the first spring and is connected with the first fixing block.
10. The blank holder mechanism of a profile bending apparatus according to claim 9, wherein the first spring is a compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022217823.3U CN214078631U (en) | 2020-09-30 | 2020-09-30 | Crease-resistance mechanism of section bar bending equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022217823.3U CN214078631U (en) | 2020-09-30 | 2020-09-30 | Crease-resistance mechanism of section bar bending equipment |
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| Publication Number | Publication Date |
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| CN214078631U true CN214078631U (en) | 2021-08-31 |
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| CN202022217823.3U Active CN214078631U (en) | 2020-09-30 | 2020-09-30 | Crease-resistance mechanism of section bar bending equipment |
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| CN (1) | CN214078631U (en) |
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- 2020-09-30 CN CN202022217823.3U patent/CN214078631U/en active Active
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