CN108526344B - Bending equipment and bending process for cooling coil of electric automobile - Google Patents
Bending equipment and bending process for cooling coil of electric automobile Download PDFInfo
- Publication number
- CN108526344B CN108526344B CN201810320703.0A CN201810320703A CN108526344B CN 108526344 B CN108526344 B CN 108526344B CN 201810320703 A CN201810320703 A CN 201810320703A CN 108526344 B CN108526344 B CN 108526344B
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- bending
- cooling coil
- stop
- stop block
- bottom plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/06—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of metal tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to the field of material forming, in particular to bending equipment and a bending process of an electric automobile cooling coil, wherein the bending equipment comprises a main body, a stop block, a baffle plate, a bending mechanism and a driving mechanism; the main body comprises a bottom plate and lifting buttons, and each lifting button corresponds to one stop block; the stop blocks and the baffle plates are arranged on the bottom plate, the stop blocks are distributed on two sides of the bottom plate in a staggered manner and are connected with the driving mechanism, the baffle plates are distributed on the periphery of the stop blocks, the driving mechanism is arranged on the main body, the stop blocks can move up and down relative to the bottom plate, and the baffle plates can be freely assembled and disassembled from the bottom plate; the bending mechanism is mounted on the stop block, and the bending mechanism can be freely assembled and disassembled from the stop block. The invention also discloses a bending process of the cooling coil pipe of the electric automobile, which comprises the following steps: calculating materials, blanking, bending and discharging. The invention has the advantages that: the bending equipment has the advantages of simple structure, easy replacement of parts, easy maintenance of equipment and low manufacturing cost, and can avoid the defects of collapse, deformation, surface scratch and the like of the cooling coil.
Description
Technical Field
The invention relates to the field of material forming, in particular to bending equipment and bending technology for a cooling coil of an electric automobile.
Background
The electric vehicle cooling coil is a component for cooling the battery pack of the electric vehicle, and the raw material of the electric vehicle cooling coil is generally in an elongated shape, so that the electric vehicle cooling coil needs to be bent into a required shape according to the shape of the battery pack.
At present, a cooling coil manufacturing enterprise adopts a bending machine to bend the cooling coil, but because of the specificity of the structure and the working principle of most bending machines, the bending machine can only bend cooling coils with less bending quantity, and a small part of the bending machines can bend complex cooling coils, and the structure is complex and the manufacturing cost is high. In addition, because the inside of the bending machine is provided with a plurality of cooling medium channels which are arranged in parallel, the defects of shrinkage, deformation and the like at the round corners are easy to occur in the bending process. The traditional bending method also causes the problem of scratch on the outer surface of the cooling coil.
Disclosure of Invention
The invention aims to solve the technical problems that: the bending equipment in the prior art has the problems of complex structure, high manufacturing cost, easy deformation of bending of the cooling coil, surface scratch and the like.
In order to solve the technical problems, the invention adopts the following technical scheme: the electric automobile cooling coil bending equipment comprises a main body, a stop block, a baffle plate, a bending mechanism and a driving mechanism; the main body comprises a bottom plate and lifting buttons, and each lifting button corresponds to one stop block; the stop blocks and the stop sheets are arranged on the bottom plate, the stop blocks are distributed on two sides of the bottom plate in a staggered manner, the stop sheets are distributed on the periphery of the stop blocks, the stop blocks are connected with the driving mechanism, the driving mechanism is arranged on the main body, the stop blocks can move up and down relative to the bottom plate, and the stop sheets can be freely assembled and disassembled from the bottom plate; the bending mechanism is arranged on the stop block and can be freely assembled and disassembled from the stop block.
Preferably, the bending mechanism comprises a handle, a bending body, a spacer block, a center pin, a shaft and a roller; the handle, the shaft and the center pin are arranged on the bending body, the shaft and the center pin are arranged in parallel, the roller is arranged on the shaft, the front surface of the spacer block is provided with a U-shaped groove matched with the cooling coil, the back surface of the spacer block is contacted with the roller, the roller can roll on the back surface of the spacer block, and the center pin connected with the bending body is arranged on the stop block.
Preferably, the length of the spacer is greater than the length of the cooling coil fillet.
Preferably, the depth of the U-shaped groove of the spacer is greater than half of the thickness of the cooling coil and less than the thickness of the cooling coil.
Preferably, the stop block is provided with a round corner and a positioning hole, the positioning holes are in one-to-one correspondence with the round corners, and the positioning holes are arranged at the circle centers of the round corners.
Preferably, the driving mechanism is an air cylinder, and each air cylinder corresponds to one stop block.
Preferably, grooves are formed in two sides of the baffle.
Preferably, the main body further comprises a stand column, a disc and rib plates, the top ends of the stand column and the bottom plate are connected together through bearings, and the bottom plate can rotate freely relative to the stand column; the bottom and the disc of stand are connected, and the floor sets up between stand and disc.
Preferably, the height of the stop protruding from the base plate is greater than the width of the cooling coil.
The invention also discloses a bending process using the electric automobile cooling coil bending equipment, which comprises the following steps:
the first step: calculating materials: calculating the required material for bending according to the product size;
and a second step of: and (3) blanking: blanking according to the calculation result of the first step;
and a third step of: bending: the method specifically comprises the following steps:
1) Starting the electric automobile cooling coil bending equipment, pressing a lifting button corresponding to a first stop block, and lifting the first stop block to a preset height;
2) Placing the cooling coil at the first stop block and then inserting the first stop block;
3) Placing the front surface of the spacer block on the outer side of the cooling coil to be bent of the cooling coil;
4) Inserting a center pin of a corresponding bending mechanism into a positioning hole corresponding to the round angle of the stop block, so that a roller of the bending mechanism is attached to the back surface of the spacer block;
5) Pulling the handle to enable the bending mechanism to rotate around the center pin, at the moment, the roller rolls relative to the spacer, and the cooling coil bends the first round corner under the pressure of the spacer;
6) After the first round angle is finished, inserting a second baffle plate, or flexibly adjusting the number of the baffle plates corresponding to each round angle according to different intervals of the round angles of the cooling coil;
7) Taking down the bending mechanism to complete the bending of the first round angle;
8) Repeating the steps, and bending the rest fillets;
fourth step: and (3) unloading: all the baffle plates are taken down by operating the lifting button to enable all the baffle plates to descend to the original position, and then the cooling coil is taken down to complete the bending work of the cooling coil.
The invention has the beneficial effects that:
1. the bending equipment has simple structure and working principle and low manufacturing cost;
2. the U-shaped grooves matched with the cooling coil are formed in the partition blocks, so that the overflow of the cooling coil material from the side edges can be effectively prevented in the bending process, and the problems of shrinkage, deformation and the like of the cooling coil during bending can be avoided;
3. in the bending process, the bending is performed by rolling the roller on the spacer block, and then the cooling coil is bent under the pressure action of the spacer block, so that the spacer block and the cooling coil do not slide relatively, and the defect of surface scratch cannot occur;
4. the stop block, the stop piece, the bending mechanism and other parts of the bending equipment are customized according to the size of the cooling coil, so that the product consistency is good;
5. parts in the equipment are convenient to replace, the equipment is easy to maintain, and the maintenance cost is low.
Drawings
Fig. 1 is a perspective view of an electric vehicle cooling coil bending apparatus in an embodiment of the present invention;
fig. 2 is a perspective view of another view of the electric vehicle cooling coil bending apparatus according to an embodiment of the present invention;
fig. 3 is a front view of an electric vehicle cooling coil bending apparatus in an embodiment of the present invention;
fig. 4 is a top view of an electric vehicle cooling coil bending apparatus in an embodiment of the invention;
fig. 5 is a left side view of an electric vehicle cooling coil bending apparatus in an embodiment of the present invention;
fig. 6 is a perspective view of a bending mechanism of an electric vehicle cooling coil bending apparatus in an embodiment of the present invention;
fig. 7 is a front view of a bending mechanism of the electric vehicle cooling coil bending apparatus in an embodiment of the present invention;
fig. 8 is a perspective view of a stopper of an electric vehicle cooling coil bending apparatus according to an embodiment of the present invention;
fig. 9 is a perspective view of a baffle of an electric vehicle cooling coil bending apparatus in an embodiment of the invention.
The novel cooling device comprises a main body-1, a stop block-2, a stop piece-3, a bending mechanism-4, a cooling coil pipe-5, a driving mechanism-6, a bottom plate-11, a lifting button-12, an upright post-13, a disc-14, a rib plate-15, a positioning hole-21, a handle-41, a bending body-42, a spacer block-43, a center pin-44, a shaft-45 and a roller-46.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Embodiment one:
as shown in fig. 1-5, the electric automobile cooling coil bending equipment comprises a main body 1, a stop block 2, a stop piece 3, a bending mechanism 4 and a driving mechanism 6; the main body 1 comprises a bottom plate 11 and lifting buttons 12, and each lifting button 12 corresponds to one stop block 2; the stop block 2 and the stop piece 3 are arranged on the bottom plate 11, the stop block 2 is connected with the driving mechanism 6, the driving mechanism 6 is arranged on the main body 1, the stop block 2 can move up and down relative to the bottom plate 11, and the stop piece 3 can be freely assembled and disassembled from the bottom plate 11; the driving mechanism 6 is an air cylinder, each air cylinder corresponds to one stop block 2, the lifting button 12 is used for controlling the air cylinder to drive the stop blocks 2 to move up and down, and the stroke of the air cylinder is adjustable. The bending mechanism 4 is mounted on the block 2, and the bending mechanism 4 can be freely mounted and dismounted from the block 2.
As shown in fig. 6 to 7, the bending mechanism 4 comprises a handle 41, a bending body 42, a spacer 43, a center pin 44, a shaft 45 and a roller 46; the handle 41, the shaft 45 and the center pin 44 are arranged on the bending body 42, the shaft 45 and the center pin 44 are arranged in parallel, the roller 46 is arranged on the shaft 45, the front surface of the partition block 43 is provided with a U-shaped groove matched with the cooling coil 5, the back surface of the partition block 43 is contacted with the roller 46, and the roller 46 can roll on the back surface of the partition block 43. A center pin 44 is mounted at the front end of the bending body 42, a handle 41 is mounted at the rear end of the bending body 42, and a shaft 45 and a roller 46 are mounted between the center pin 44 and the handle 41.
To meet the bending of the cooling coil 5 with different sizes of fillets, the distance between the center pin 44 and the spacer 43 needs to be of different specifications, which can be achieved by three ways:
first kind: under the condition that the specification of the spacer blocks 43 and the outer diameter of the rollers 46 are unchanged, the distances between the center pin 44 and the shaft 45 of the bending mechanism 4 are made into different specifications, and the bending mechanisms 4 with different specifications are matched with the spacer blocks 43 with the same specification for use;
second kind: the spacer 43 is made into different thicknesses, and the specifications of other components of the bending mechanism 4 are unchanged;
third kind: when the outer diameter of the roller 46 is unchanged, the distance between the center pin 44 of the bending mechanism 4 and the shaft 45 is made into different specifications, the spacer 43 is made into different thicknesses, and the bending mechanism 4 with different specifications is matched with the spacer 43 with different thicknesses.
The length of the spacer 43 is greater than the length of the fillet of the cooling coil 5 to ensure that the roller 46 will not roll down from the spacer 43 during the bending process, thereby allowing the bending operation to proceed normally.
The depth of the U-shaped groove of the spacer 43 is larger than half of the thickness of the cooling coil 5 and smaller than the thickness of the cooling coil 5, so that the overflow materials on the upper side and the lower side of the cooling coil 5 in the bending process are blocked by the side wall of the U-shaped groove, and the defects of collapse, deformation and the like are prevented.
As shown in fig. 8, the stop block 2 is provided with a round corner and a positioning hole 21, the positioning holes 21 and the round corners are in one-to-one correspondence, the positioning hole 21 is arranged at the center of the round corner, the bending mechanism 4 is guaranteed to rotate around the center of the round corner of the stop block 2, and the round corner with a preset size is folded on the cooling coil 5.
As shown in fig. 9, grooves are formed on two sides of the baffle 3, so that an operator can conveniently install and remove the baffle 3.
The main body 1 further comprises a stand column 13, a disc 14 and a rib plate 15, the top end of the stand column 13 is connected with the bottom plate 11 through a bearing, the bottom plate 11 can rotate freely relative to the stand column 13, and the design aims at: when the handle 41 is pulled to rotate the bending mechanism 4 around the center pin 44, the rollers 46 roll relative to the spacer blocks 43, the bottom plate 11 is controlled to rotate relative to the upright posts 13, the rotation direction of the bottom plate 11 is opposite to the rotation direction of the handle 41, and the cooling coil 5 is bent under the combined action of the two.
The bottom ends of the upright posts 13 are connected with the circular discs 14 in a welding mode, and the rib plates 15 are respectively connected with the upright posts 13 and the circular discs 14 in a welding mode.
The height of the stop block 2 extending out of the bottom plate 11 is larger than the width of the cooling coil 5, so that the cooling coil 5 cannot slip off the stop block 2 under the action of pressure in the bending process.
Embodiment two:
a bending process using the electric vehicle cooling coil bending equipment of any one of the above, comprising the following steps:
the first step: calculating materials: calculating the required material used in bending according to the product size, wherein the total length of the neutral layer of the product is the material length;
and a second step of: and (3) blanking: according to the calculated result of the first step, blanking, wherein the blanking length is longer than the calculated material length, and a machining allowance is reserved for the next working procedure;
and a third step of: bending: the method specifically comprises the following steps:
1) Starting the electric automobile cooling coil bending equipment, pressing the lifting button 12 corresponding to the first stop block 2, and lifting the first stop block 2 to a preset height;
2) Placing the cooling coil 5 at the first stop block 2, and then inserting the first stop plate 3, wherein the cooling coil 5 is clamped between the stop block 2 and the stop plate 3, and the cooling coil 5 is tightly fixed by the two stop blocks;
3) Placing the front surface of the spacer 43 against the outer side of the cooling coil 5 to the part to be bent of the cooling coil 5;
4) Inserting the center pin 44 of the corresponding bending mechanism 4 into the positioning hole 21 corresponding to the round angle of the stop block 2, and attaching the roller 46 of the bending mechanism 4 to the back surface of the spacer 43;
5) Pulling the handle 41 to rotate the bending mechanism 4 around the center pin 44, wherein the roller 46 rolls relative to the spacer 43, and the cooling coil 5 bends the first round corner under the pressure of the spacer 43;
6) After the first round angle is finished, the second baffle plates 3 are inserted, or the number of the baffle plates 3 corresponding to each round angle is flexibly adjusted according to the different space between the round angles of the cooling coil 5. Namely: when the distance between the first round angle and the second round angle is larger, the second baffle 3 can be inserted between the first round angle and the second round angle; when the distance between the first round corner and the second round corner is smaller, the baffle 3 is not required to be inserted between the first round corner and the second round corner, and after the second round corner is bent, the second baffle 3 is inserted after the second round corner is bent.
7) The bending mechanism 4 is taken down, and the bending of the first round angle is completed;
8) Repeating the steps, and bending the rest fillets;
fourth step: and (3) unloading: all the stoppers 2 are lowered to the original positions by operating the lifting button 12, then all the stoppers 3 are removed, and the cooling coil 5 is removed, thereby completing the bending work of the cooling coil 5.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. Electric automobile cooling coil equipment of bending, its characterized in that: comprises a main body (1), a stop block (2), a stop piece (3), a bending mechanism (4) and a driving mechanism (6);
the main body (1) comprises a bottom plate (11) and lifting buttons (12), and each lifting button (12) corresponds to one stop block (2);
the stop block (2) and the stop pieces (3) are arranged on the bottom plate (11), the stop pieces (2) are distributed on two sides of the bottom plate (11) in a staggered mode, the stop pieces (3) are distributed on the periphery of the stop block (2), the stop pieces (2) are connected with the driving mechanism (6), the driving mechanism (6) is arranged on the main body (1), the stop pieces (2) can move up and down relative to the bottom plate (11), and the stop pieces (3) can be freely assembled and disassembled from the bottom plate (11);
the bending mechanism (4) is mounted on the stop block (2), and the bending mechanism (4) can be freely assembled and disassembled from the stop block (2);
the bending mechanism (4) comprises a handle (41), a bending body (42), a spacer block (43), a center pin (44), a shaft (45) and a roller (46);
the handle (41), the shaft (45) and the center pin (44) are arranged on the bending body (42), the shaft (45) and the center pin (44) are arranged in parallel, the roller (46) is arranged on the shaft (45), the front surface of the partition block (43) is provided with a U-shaped groove matched with the cooling coil pipe (5), the back surface of the partition block (43) is in contact with the roller (46), the roller (46) can roll on the back surface of the partition block (43), and the center pin (44) connected with the bending body (42) is arranged on the stop block (2).
2. The electric vehicle cooling coil bending apparatus of claim 1, wherein: the length of the spacer blocks (43) is greater than the length of the fillets of the cooling coil (5).
3. The electric vehicle cooling coil bending apparatus of claim 1, wherein: the depth of the U-shaped groove of the spacer block (43) is larger than half of the thickness of the cooling coil pipe (5) and smaller than the thickness of the cooling coil pipe (5).
4. The electric vehicle cooling coil bending apparatus of claim 1, wherein: the stop block (2) is provided with a round angle and a positioning hole (21), the positioning holes (21) are in one-to-one correspondence with the round angles, and the positioning holes (21) are arranged at the circle centers of the round angles.
5. The electric vehicle cooling coil bending apparatus of claim 1, wherein: the driving mechanism (6) is an air cylinder, and each air cylinder corresponds to one stop block (2).
6. The electric vehicle cooling coil bending apparatus of claim 1, wherein: grooves are formed in two sides of the baffle (3).
7. The electric vehicle cooling coil bending apparatus of claim 1, wherein: the main body (1) further comprises an upright post (13), a disc (14) and a rib plate (15), the top end of the upright post (13) is connected with the bottom plate (11) through a bearing, and the bottom plate (11) can rotate freely relative to the upright post (13); the bottom end of the upright post (13) is connected with the disc (14), and the rib plate (15) is arranged between the upright post (13) and the disc (14).
8. The electric vehicle cooling coil bending apparatus of claim 1, wherein: the height of the stop block (2) which extends out of the bottom plate (11) is larger than the width of the cooling coil (5).
9. A bending process using the electric vehicle cooling coil bending apparatus according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:
the first step: calculating materials: calculating the required material for bending according to the product size;
and a second step of: and (3) blanking: blanking according to the calculation result of the first step;
and a third step of: bending: the method specifically comprises the following steps:
1) Starting the electric automobile cooling coil bending equipment, pressing a lifting button (12) corresponding to a first stop block (2), and lifting the first stop block (2) to a preset height;
2) Placing the cooling coil (5) at the first stop block (2) and then inserting the first stop sheet (3);
3) Placing the front surface of the spacer block (43) against the outer side of the cooling coil pipe (5) to the part to be bent of the cooling coil pipe (5);
4) Inserting a center pin (44) of a corresponding bending mechanism (4) into a positioning hole (21) corresponding to a round angle of the stop block (2), and attaching a roller (46) of the bending mechanism (4) to the back surface of the spacer block (43);
5) Pulling the handle (41) to enable the bending mechanism (4) to rotate around the center pin (44), at the moment, the roller (46) rolls relative to the spacer block (43), and the cooling coil (5) bends a first round corner under the pressure of the spacer block (43);
6) After the first round angle is finished, inserting a second baffle (3), or flexibly adjusting the number of the baffle (3) corresponding to each round angle according to different space between the round angles of the cooling coil (5);
7) The bending mechanism (4) is taken down, and the bending of the first round angle is completed;
8) Repeating the steps, and bending the rest fillets;
fourth step: and (3) unloading: all the stop blocks (2) are lowered to the original positions by operating the lifting button (12), then all the stop sheets (3) are removed, the cooling coil (5) is removed, and the bending work of the cooling coil (5) is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810320703.0A CN108526344B (en) | 2018-04-10 | 2018-04-10 | Bending equipment and bending process for cooling coil of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810320703.0A CN108526344B (en) | 2018-04-10 | 2018-04-10 | Bending equipment and bending process for cooling coil of electric automobile |
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| Publication Number | Publication Date |
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| CN108526344A CN108526344A (en) | 2018-09-14 |
| CN108526344B true CN108526344B (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810320703.0A Active CN108526344B (en) | 2018-04-10 | 2018-04-10 | Bending equipment and bending process for cooling coil of electric automobile |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109433956A (en) * | 2018-10-10 | 2019-03-08 | 鲁西工业装备有限公司 | A kind of alignment of Stainless Steel Coil bends the technique that joint prepares snakelike tube bank |
| CN115673179B (en) * | 2023-01-03 | 2023-03-10 | 季华实验室 | Cage-shaped heating wire winding device and method |
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|---|---|
| CN108526344A (en) | 2018-09-14 |
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