CN210497801U - Gulleting type arc-shaped angle steel bending die - Google Patents
Gulleting type arc-shaped angle steel bending die Download PDFInfo
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- CN210497801U CN210497801U CN201921219340.8U CN201921219340U CN210497801U CN 210497801 U CN210497801 U CN 210497801U CN 201921219340 U CN201921219340 U CN 201921219340U CN 210497801 U CN210497801 U CN 210497801U
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Abstract
The utility model discloses an open tooth formula arc angle steel mould of bending, the complete set mould of compriseing many pairs of moulds, it is according to the different angle of bending of product, different circular arc radius, the mould of different "V" type mouth is made to interior circular arc or outer circular arc, including last mould and lower mould, it is including last mould main part to go up the mould, the upper end of going up the mould main part is equipped with and is used for clamping fixed step and draw-in groove, the bottom portion of going up the mould main part is equipped with the die head, the cross-section of going up the die head is the V-arrangement, one side of its V-arrangement structure is the plane, the inside sunken or convex arc surface outside mutually that the opposite side is, the angle of V-arrangement structure divide into four kinds, the lower mould is including the lower mould main part that the cross-section is the square of square structure, be equipped with the V-. The utility model has the advantages of reasonable design, can make and use whole or certain part of this constitution cover mould according to the characteristics of product, as long as satisfy the manufacturing of product just can, can further reduce manufacturing cost.
Description
The technical field is as follows:
the utility model relates to a mould of bending mainly relates to a tooth formula arc angle steel mould of bending.
Background art:
the high-performance metal heat-insulating layer is used for heat insulation of various main equipment (such as a reactor pressure vessel, a steam generator, a voltage stabilizer, a main pump and the like), pipelines (a main pipeline, a surge pipe and the like), valves, common pipelines and the like of a third-generation nuclear power plant and other nuclear power devices. It can also be used for heat preservation of high temperature equipment in petrochemical industry and other industries.
The outer shell (frame structure) of the high-performance metal heat-insulating layer is composed of thin plates. The tooth-opening type arc angle steel is a necessary part for connecting all parts and keeping the structural strength of equipment.
The utility model discloses a make the prerequisite of gulleting formula circular arc angle steel, current mould can satisfy the requirement of bending performance, nevertheless because gulleting formula circular arc angle steel have different circular arc radius, different inner circular arc or the outer circular arc of bending the angle, consequently the mould need adopt corresponding mould of bending according to the specification of difference, each model needs the commonality of a mould of bending poor, the mould is with high costs, manufacturing cost has been improved, consequently, need a mould structure of bending that the commonality is good.
The utility model has the following contents:
the utility model discloses the purpose is exactly in order to compensate prior art's defect, provides an open tooth formula arc angle steel mould of bending, can make and use whole or some part of this constitution cover mould according to the characteristics of product, just can bend the product, and the mould commonality is good, greatly reduced manufacturing cost.
The utility model discloses a realize through following technical scheme:
the utility model provides a tooth formula arc angle steel mould of bending which characterized in that: a set of dies consisting of multiple pairs of dies, which can manufacture dies with different V-shaped openings according to different bending angles, different arc radiuses, inner arcs or outer arcs of products, comprises an upper die and a lower die, the upper die comprises an upper die main body, the upper end part of the upper die main body is provided with a step and a clamping groove for clamping and fixing, the bottom end part of the upper die main body is provided with an upper die head, the cross section of the upper die head is V-shaped, one side of the V-shaped structure is a plane, the other side is an arc surface which is inwards concave or outwards convex, the angles of the V-shaped structures are four, the lower die comprises a square lower die main body with a square cross section, two V-shaped positioning grooves which are arranged at intervals are respectively arranged on four surfaces of the lower die main body, the angles of the V-shaped positioning grooves on the same plane are the same, and the radians of the two side surfaces of the V-shaped positioning groove are correspondingly buckled with the radians of the two side surfaces of the V-shaped upper die head above the V-shaped positioning groove.
The bottom end part of the V-shaped structure of the upper die head is arc-shaped, the peripheral angles of the V-shaped structure are respectively 58 degrees, 88 degrees, 118 degrees and 148 degrees, and the radius of the concave or convex arc of the V-shaped structure is equal to or close to that of the part bent by each pair of dies.
The mould with the structure is suitable for bending the angle steel with the arc radius less than or equal to 2000mm, and when the radius of the arc angle steel is greater than 2000mm, the angle steel can be bent by using a common mould with a V-shaped opening with a straight bottom.
The radius of the circular arc is less than or equal to 2000mm, the radius of the circular arc is arranged in an increasing structure from 200mm, the circular arc is divided into seventeen sizes which are respectively 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000, 1200, 1400, 1600, 1800 and 2000, and the unit is mm.
The length of the upper die or the lower die is determined according to the tooth pitch of the angle steel, and the length of the die is an integral multiple of the tooth punching pitch of the angle steel, and is preferably 2-4 times.
The lower die is provided with V-shaped positioning grooves with corresponding angles according to the four V-shaped angles of the upper die, the side surface of one V-shaped positioning groove is an inner concave surface, and the side surface of the other V-shaped positioning groove is an outer convex surface.
And mounting holes are respectively arranged between the two V-shaped positioning grooves and are used for being fixedly mounted on the arc-shaped stop block for controlling the bending size.
The arc-shaped stop block is of an arc-shaped structure, is close to the V-shaped positioning groove on the side where the inner concave arc is located, and is matched with the inner concave arc.
To sum up: the mold consists of an upper mold, a lower mold, an arc baffle and fastening bolts. The bending machine is mainly used for bending thin plates with the plate thickness of 0.5 mm-1.5 mm. The upper die is divided into 136 pieces according to the outer arc or the inner arc, different angles (4 types in design of 58 degrees, 88 degrees, 118 degrees and 148 degrees) and V-shaped ports with different arc radiuses. And each upper die is provided with an interface connected with the numerical control hydraulic bending machine.
The utility model discloses a set of complete set of mould of constituteing by many pairs of moulds divide into the mould of bending of the interior arc or outer arc "V" type mouth of different circular arc radius, different bending angle degree, and "V" type mouth bottom of mould is convex, and the radius of the part that its circular arc radius and every pair of mould were bent is equal or close, and cowl is installed to the lower part of every pair of mould, the control of being convenient for size of bending.
Each plane on the four planes of the lower die is provided with an outer circular arc V-shaped port and an inner circular arc V-shaped port which form an angle. The four faces have 4 bending angles in total. Considering that the product has a certain resilience after being bent, the angles designed on the die are 58 degrees, 88 degrees, 118 degrees and 148 degrees, the corresponding bending angles on the product are 60 degrees, 90 degrees, 120 degrees and 150 degrees, products with other angles can be bent by using the bending die with similar angles, and the product is obtained by controlling the downward depth of the upper die. The lower dies of the grouped bending die are divided into 17 types according to the difference of the arc radiuses of the V-shaped openings. The design is such that the lower die type is only 1/8 for the upper die type. The manufacturing cost of the die is greatly reduced in design. The arc radius of the arc baffle plate arranged on the lower die is matched with that of the corresponding lower die, so that the number of the arc baffle plates is 17. In practical application, the four surfaces of the lower die of each die are respectively provided with an inner circular arc and an outer circular arc V-shaped opening with the same circular arc radius and different angles, so that the design ensures that the type of the lower die is only 1/8 of the type of the upper die, and all or a part of the forming die can be manufactured and used according to the characteristics of products, as long as the manufacturing requirement of the products is met. This further reduces the manufacturing costs.
The utility model has the advantages that:
the utility model has the advantages of reasonable design, can make and use whole or certain part of this constitution cover mould according to the characteristics of product, as long as satisfy the manufacturing of product just can, can further reduce manufacturing cost like this.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the lower die.
Fig. 3 is a sectional view of the lower mold.
Fig. 4 is a cross-sectional view of the upper die.
Fig. 5 is a front view of the upper and lower dies engaged.
The specific implementation mode is as follows:
see the drawings.
The utility model provides a tooth formula arc angle steel mould of bending which characterized in that: a set of die consisting of a plurality of pairs of dies is used for manufacturing dies with different V-shaped openings according to different bending angles, different arc radiuses, inner arcs or outer arcs of products and comprises an upper die 1 and a lower die 2, wherein the upper die comprises an upper die main body 3, the upper end part of the upper die main body 3 is provided with a step 4 and a clamping groove 5 for clamping and fixing, the bottom end part of the upper die main body 3 is provided with an upper die head 6, the cross section of the upper die head 6 is V-shaped, one side of the V-shaped structure is a plane, the other side of the V-shaped structure is an inward concave or outward convex arc surface, the angles of the V-shaped structure are divided into four types, the lower die 2 comprises a lower die main body 7 with a square cross section, the four surfaces of the lower die main body 7 are respectively provided with two V-shaped positioning grooves 8 which are arranged at intervals, and the angles of the V-shaped positioning grooves 8 on, the radians of the two side surfaces of the V-shaped positioning groove 8 are correspondingly buckled with the radians of the two side surfaces of the V-shaped upper die head above the V-shaped positioning groove.
The upper die is fixedly clamped and fixed at the bottom end of a sliding block of the numerical control bending machine through a step 4 and a clamping groove 5, the lower die is fixedly installed on a base of the numerical control bending machine and is adjustable in position on the base, and the bottom end of the lower die is fixedly installed on a workbench surface of the base of the bending machine in a clamping mode through adjustable jacking mechanisms on two sides of the lower die.
The adjustable jacking and positioning mechanism is provided with two fixed supports which are correspondingly arranged, the two fixed supports are fixedly arranged on two sides of a workbench surface of the bending machine base through bolts respectively, the fixed supports are provided with adjusting threaded holes respectively, the adjusting threaded holes are provided with adjusting bolts respectively, the outer end parts of the adjusting bolts are provided with adjusting hand wheels, the other ends of the adjusting bolts are provided with clamping blocks respectively, and the two clamping blocks are used for clamping two side surfaces of a fixed lower die.
The bottom end part of the V-shaped structure of the upper die head is arc-shaped, the peripheral angles of the V-shaped structure are respectively 58 degrees, 88 degrees, 118 degrees and 148 degrees, and the radius of the concave or convex arc of the V-shaped structure is equal to or close to that of the part bent by each pair of dies.
The mould with the structure is suitable for bending the angle steel with the arc radius less than or equal to 2000mm, and when the radius of the arc angle steel is greater than 2000mm, the angle steel can be bent by using a common mould with a V-shaped opening with a straight bottom.
The radius of the circular arc is less than or equal to 2000mm, the radius of the circular arc is arranged in an increasing structure from 200mm, the circular arc is divided into seventeen sizes which are respectively 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000, 1200, 1400, 1600, 1800 and 2000, and the unit is mm.
The length of the upper die or the lower die is determined according to the tooth pitch of the angle steel, and the length of the die is an integral multiple of the tooth punching pitch of the angle steel, and is preferably 2-4 times.
The lower die is provided with V-shaped positioning grooves with corresponding angles according to the four V-shaped angles of the upper die, the side surface of one V-shaped positioning groove is an inner concave surface, and the side surface of the other V-shaped positioning groove is an outer convex surface.
And a mounting hole 9 is respectively arranged between the two V-shaped positioning grooves, and the mounting hole 9 is fixedly arranged on an arc-shaped stop block 10 for controlling the bending size.
The arc-shaped stop block 10 is of an arc-shaped structure, is close to the V-shaped positioning groove on the side where the concave arc is located, and is matched with the concave arc.
The structure consists of an upper die, a lower die, an arc-shaped stop block and a fastening bolt. Wherein, the upper part of the upper die is provided with an interface with a numerical control hydraulic bending machine.
The upper die of the bending die comprises an upper die outer arc and an upper die inner arc; each upper die has a V-shaped opening with a circular arc radius and an angle. The angles of the V-shaped openings of the upper dies of the grouped set bending dies are respectively 58 degrees, 88 degrees, 118 degrees and 148 degrees, and the classification of the arc radiuses of the upper dies of the grouped set bending dies is as the following table, and the total number of the upper dies is 136.
Each plane on the four planes of each die is designed with an outer circular arc V-shaped port and an inner circular arc V-shaped port with an angle. The four faces have 4 bending angles in total. Considering that the product has a certain resilience after being bent, the angles designed on the die are 58 degrees, 88 degrees, 118 degrees and 148 degrees, the corresponding bending angles on the product are 60 degrees, 90 degrees, 120 degrees and 150 degrees, products with other angles can be bent by using the bending die with similar angles, and the product is obtained by controlling the downward depth of the upper die. The classification of the arc radius of the lower dies of the grouped bending die is shown in the table above, and 17 types of lower dies are provided in total. For arc radii not present in the table, a mold with a similar arc radius may be used. The length of the lower die is 2-4 times of the space between the teeth of the product. The length in the example is 50 mm.
The arc radius of the arc baffle plate arranged on the lower die is matched with that of the corresponding lower die, so that the number of the arc baffle plates is 17.
In practical application, a part of the combined die set can be manufactured and used according to the characteristics of the product as long as the requirement of manufacturing the product is met. This further reduces the manufacturing costs.
The method comprises the following specific operation steps:
1. and selecting a pair of dies according to the parameters of the product. The parameters include whether the product is an inner arc angle steel or an outer arc angle steel, the bending angle of the product and the arc radius of the product.
2. The die is installed on a numerical control hydraulic bending machine, the upper die is installed on a sliding block of the bending machine, the lower die is fixed on a working platform of a base of the bending machine, and the V-shaped openings of the upper die and the lower die are aligned simultaneously. And installing the arc-shaped stop block on the lower die by using a fastening bolt, and adjusting the position of the arc-shaped stop block.
3. And setting downlink parameters of the slide block of the numerical control hydraulic bending machine.
4. And (4) taking a test piece for bending test, and adjusting the parameters of the die and the bending machine again according to the inspection result of the test piece.
5. And (5) processing the product in batches.
Claims (8)
1. The utility model provides a tooth formula arc angle steel mould of bending which characterized in that: a set of dies consisting of multiple pairs of dies, which can manufacture dies with different V-shaped openings according to different bending angles, different arc radiuses, inner arcs or outer arcs of products, comprises an upper die and a lower die, the upper die comprises an upper die main body, the upper end part of the upper die main body is provided with a step and a clamping groove for clamping and fixing, the bottom end part of the upper die main body is provided with an upper die head, the cross section of the upper die head is V-shaped, one side of the V-shaped structure is a plane, the other side is an arc surface which is concave inwards or convex outwards, the angles of the V-shaped structures are four, the lower die comprises a square lower die main body with a square cross section, two V-shaped positioning grooves which are arranged at intervals are respectively arranged on four surfaces of the lower die main body, the angles of the V-shaped positioning grooves on the same plane are the same, and the radians of the two side surfaces of the V-shaped positioning groove are correspondingly buckled with the radians of the two side surfaces of the V-shaped upper die head above the V-shaped positioning groove.
2. The open-tooth arc-shaped angle steel bending die according to claim 1, characterized in that: the bottom end part of the V-shaped structure of the upper die head is arc-shaped, the peripheral angles of the V-shaped structure are respectively 58 degrees, 88 degrees, 118 degrees and 148 degrees, and the radius of the concave or convex arc of the V-shaped structure is equal to or close to that of the part bent by each pair of dies.
3. The open-tooth arc-shaped angle steel bending die according to claim 2, characterized in that: the mould with the structure is suitable for bending the angle steel with the arc radius less than or equal to 2000mm, and when the radius of the arc angle steel is greater than 2000mm, the angle steel can be bent by using a common mould with a V-shaped opening with a straight bottom.
4. The open-tooth arc-shaped angle steel bending die according to claim 3, characterized in that: the radius of the circular arc is less than or equal to 2000mm, the radius of the circular arc is arranged in an increasing structure from 200mm, the circular arc is divided into seventeen sizes which are respectively 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000, 1200, 1400, 1600, 1800 and 2000, and the unit is mm.
5. The open-tooth arc-shaped angle steel bending die according to claim 1, characterized in that: the length of the upper die or the lower die is determined according to the tooth pitch of the angle steel, and the length of the die is an integral multiple of the tooth punching pitch of the angle steel, and is preferably 2-4 times.
6. The open-tooth arc-shaped angle steel bending die according to claim 1, characterized in that: the lower die is provided with V-shaped positioning grooves with corresponding angles according to the four V-shaped angles of the upper die, the side surface of one V-shaped positioning groove is an inner concave surface, and the side surface of the other V-shaped positioning groove is an outer convex surface.
7. The open-tooth arc-shaped angle steel bending die according to claim 1, characterized in that: and mounting holes are respectively arranged between the two V-shaped positioning grooves and are used for being fixedly mounted on the arc-shaped stop block for controlling the bending size.
8. The open-tooth arc-shaped angle steel bending die according to claim 7, characterized in that: the arc-shaped stop block is of an arc-shaped structure, is close to the V-shaped positioning groove on the side where the inner concave arc is located, and is matched with the inner concave arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921219340.8U CN210497801U (en) | 2019-07-31 | 2019-07-31 | Gulleting type arc-shaped angle steel bending die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921219340.8U CN210497801U (en) | 2019-07-31 | 2019-07-31 | Gulleting type arc-shaped angle steel bending die |
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| Publication Number | Publication Date |
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| CN210497801U true CN210497801U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921219340.8U Active CN210497801U (en) | 2019-07-31 | 2019-07-31 | Gulleting type arc-shaped angle steel bending die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605181A (en) * | 2020-11-30 | 2021-04-06 | 湖北江山专用汽车有限公司 | Method for forming small-diameter metal round table and formed round table thereof |
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2019
- 2019-07-31 CN CN201921219340.8U patent/CN210497801U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605181A (en) * | 2020-11-30 | 2021-04-06 | 湖北江山专用汽车有限公司 | Method for forming small-diameter metal round table and formed round table thereof |
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