CN219025541U - Bending device of control lever - Google Patents
Bending device of control lever Download PDFInfo
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- CN219025541U CN219025541U CN202223097150.8U CN202223097150U CN219025541U CN 219025541 U CN219025541 U CN 219025541U CN 202223097150 U CN202223097150 U CN 202223097150U CN 219025541 U CN219025541 U CN 219025541U
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- bending
- upper die
- cushion block
- block
- forming cushion
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Abstract
The utility model discloses a bending device of a control lever, which comprises a baffle plate, an upper die plate, a first forming cushion block, a second forming cushion block, a bending roller, a pressing plate, a bending sliding block, a push rod, a bottom plate and a supporting block; the bottom plate is of a cuboid structure, two baffles, a first forming cushion block and a second forming cushion block which are arranged in parallel are sequentially arranged above the bottom plate from left to right, an upper die is arranged above the right side of the baffles, the central line of the upper die is aligned with the bottom plate, and the bottom of the upper die is attached to the top of the first forming cushion block; a bending slide block is arranged above the right side of the second forming cushion block, and support blocks are respectively arranged on the front side and the rear side of the first forming cushion block and the front side and the rear side of the second forming cushion block; the center of the lower part of the bending slide block is provided with a hollow groove, and bending rollers are arranged in the groove; the two ends of the bending slide block are provided with wing plates, the wing plates are arranged in L-shaped grooves at the upper part of the supporting block, and the top of the supporting block is provided with a pressing plate. The utility model can realize the rapid molding of the control lever, has good molding quality and high working efficiency, and can be operated by a single person.
Description
Technical Field
The utility model relates to a bending device of a control lever, and belongs to the field of forging forming.
Background
The control lever is a common part of the railway wagon and is formed by die forging. The tail part of the control lever is longer, and the head part is inclined upwards to form an angle of 45 DEG with the tail part, which is'
"shaped bend. The thickness and the width of the head part and the tail part of the control lever are consistent, so that flat steel with the thickness of 20mm and the width of 75mm is adopted for head bending molding. Because the tail part of the control lever is longer, the control lever is not suitable for directly bending the head part in a U-shaped manner on a press, and a specific tool is required to be manufactured for head bending molding. The common practice is to heat the flat steel and then bend the flat steel twice by using a tire membrane on an air hammer, and the molding method has low efficiency and needs cooperation of multiple persons.
Disclosure of Invention
In order to overcome the defects, the utility model provides a bending device of a control lever, which can realize the rapid forming of the control lever, improve the production efficiency and lighten the labor intensity of workers; the problem of control lever head bending shaping difficulty is solved.
The utility model adopts the following technical scheme:
a bending device of a control lever comprises a baffle plate, an upper die plate, a first forming cushion block, a second forming cushion block, a bending roller, a pressing plate, a bending sliding block, a push rod, a bottom plate and a supporting block; the bottom plate is of a cuboid structure, two baffles, a first forming cushion block and a second forming cushion block which are arranged in parallel are sequentially arranged above the bottom plate from left to right, an upper die is arranged above the right side of the baffles, the central line of the upper die is aligned with the bottom plate, and the bottom of the upper die is attached to the top of the first forming cushion block; a bending slide block is arranged above the right side of the second forming cushion block, and support blocks are respectively arranged on the front side and the rear side of the first forming cushion block and the front side and the rear side of the second forming cushion block; the center of the lower part of the bending slide block is provided with a hollow groove, and bending rollers are arranged in the groove; the two ends of the bending slide block are provided with wing plates, the wing plates are arranged in L-shaped grooves at the upper part of the supporting block, and the top of the supporting block is provided with a pressing plate.
Specifically, two baffles are welded to the bottom plate, the baffles are positioned at the left end part of the bottom plate, a gap is reserved between the two baffles, and flat steel is placed at the gap between the two baffles. The upper die is connected with the upper die plate through bolts, and a groove is correspondingly formed between the upper die and the upper die plate; the left end of the upper die is of a cuboid structure, an arc-shaped groove is formed in the center of the upper end face, and 45-degree inclined planes are formed at the left end and the right end of the lower end face and are connected with the two side faces; a cuboid lug is connected to the right end of the cuboid structure, the upper end of the lug is flush with the upper end of the upper die, and the lower end of the lug is connected with the right 45-degree inclined surface end part. The bottom of the upper die is attached to the upper part of the first forming cushion block.
The top of the upper template is a stress surface, and the lifting of the upper template is controlled by a hydraulic cylinder; the upper template is of a T-shaped structure, and a U-shaped groove is formed above the upper template and is connected with the hydraulic machine through bolts. Four threaded holes are formed below the upper die plate and are connected with the upper die through bolts. A square through hole is transversely formed in the middle of the bottom of the upper die plate, and the purpose is that the bending roller can pass through the square through hole when bending operation is performed, so that the bending roller is prevented from colliding with the upper die plate.
The bottom of the upper die plate is longitudinally provided with an arc-shaped groove which is arranged corresponding to the central arc-shaped groove of the upper die; the groove is a spare groove for taking out the forging piece. After the control lever is molded, the flat steel is clung to the cuboid convex block of the upper die, the upper die plate is lifted, and the control lever is pushed out of the upper die by applying force transversely and rightwards.
The first forming cushion block and the second forming cushion block are fixed on the bottom plate by bolts. The first forming cushion block is of a right trapezoid block structure (the cross section of the first forming cushion block is a right trapezoid), and the inclined side of the trapezoid is a 45-degree angle; and the inclined plane is arranged corresponding to the 45-degree inclined plane of the middle connecting part of the bottom of the upper die. And the second forming cushion block forms the vertical part of the lever. The second forming cushion block is of a cuboid structure, and the left end of the upper portion is in smooth transition so as to be convenient for contact with flat steel.
The bending slide block main body is of a cuboid structure with wing plates, a threaded hole is formed in the middle of one end of the cuboid, a groove is formed in the center of the bottom of the other end of the cuboid, pin shaft holes are formed in connecting blocks at two ends of the groove, bending rollers are mounted in the groove and are connected with the bending slide block through pin shafts, and the bending rollers can rotate around the pin shafts.
The bending roller is of a cylindrical structure, a through hole is formed in the middle of the bending roller, the pin shaft penetrates through the through hole, and two ends of the pin shaft are fixed on the bending sliding block. The bending roller drives the head of the flat steel to advance in operation, bends the flat steel from a vertical state to a horizontal state along with the rolling of the roller, and the roller moves on the flat steel; further, a bending roller is placed in a groove in the center of the inside of the bending slide block and is matched with a cuboid bump of the upper die, so that the flat steel is bent. The threaded hole at the other end of the bending slide block is connected with a push rod of the hydraulic cylinder, and the push rod is driven by the hydraulic cylinder. The left end of the push rod is provided with external threads which are matched with the threaded holes of the bending slide blocks so as to be convenient for connection of the push rod and the bending slide blocks.
The clamp plate is located the top of supporting shoe, and bolted connection for the supporting shoe, two supporting shoes set up respectively at the both ends of the slider of bending, and the supporting shoe top is inwards equipped with an L-shaped groove respectively, and it forms the track with the recess in the middle of with the clamp plate jointly, and the pterygoid lamina at the slider both ends of bending is located this track and slides, and the bottom welding of supporting shoe is on the bottom plate.
The molding method of the device is as follows:
placing the flat steel in a gap between two baffles, starting a control button, controlling the upper die to move downwards by a hydraulic system, gradually contacting the flat steel with the upper die, a bottom plate, a first forming cushion block and a second forming cushion block, and performing bottom transverse bending forming and head vertical forming, wherein the flat steel is in a vertical state due to extrusion of the right side of the upper die and the left side of the second forming cushion block; and starting a control button, controlling a push rod by a hydraulic system to push a bending slide block to move leftwards, driving a bending roller to move leftwards along a track where the bending slide block is positioned, and transversely bending and forming the vertical part of the head of the flat steel. After the head of the control lever is molded, the push rod drives the bending slide block and the bending roller to move rightwards to leave the upper die, the upper die moves upwards, the control lever is driven to move upwards to be separated from the bottom plate, and the control lever is pushed out of the upper die by transversely applying force rightwards.
The bending device of the control lever provided by the utility model has the beneficial effects that: the utility model can realize the rapid molding of the control lever, has good molding quality and high production efficiency, and can be operated by a single person.
The utility model is further described below with reference to the drawings and examples.
Drawings
FIG. 1 is a diagram of a control lever forging of the present utility model;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a control lever die diagram of the present utility model;
FIG. 4 is an A-direction view of a portion of the apparatus of FIG. 3;
FIG. 5 is a top view of FIG. 3;
FIG. 6 is a schematic view of the structure of the upper die in the mold;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a three view of the upper platen in the mold;
FIG. 9 is a three view of a bending slide in the mold;
FIG. 10 is a schematic view of the structure of the bending roller in the mold;
fig. 11 is a left side view of fig. 10.
In the figure, 1 is a baffle, 2 is an upper die, 3 is an upper die plate, 4 is a forming cushion block I, 5 is a forming cushion block II, 6 is a bending roller, 7 is a pressing plate, 8 is a bending slide block, 9 is a push rod, 10 is a bottom plate, 11 is a supporting block, and 12 is flat steel.
Detailed Description
Examples:
as shown in fig. 1-11, a bending device of a control lever comprises a baffle plate 1, an upper die 2, an upper die plate 3, a first forming cushion block 4, a second forming cushion block 5, a bending roller 6, a pressing plate 7, a bending sliding block 8, a push rod 9, a bottom plate 10 and a supporting block 11;
the bottom plate is of a cuboid structure, two baffles, a first forming cushion block 4 and a second forming cushion block 5 which are arranged in parallel are sequentially arranged above the bottom plate from left to right, an upper die is arranged above the right side of the baffles, the central line of the upper die is aligned with the bottom plate, the bottom of the upper die is attached to the top of the first forming cushion block 4, and flat steel forms 45-degree bending in the flat steel; a bending slide block 8 is arranged above the right side of the forming cushion block II, and supporting blocks 11 are respectively arranged on the front side and the rear side of the forming cushion block I4 and the forming cushion block II 5; a hollow groove is formed in the center of the lower part of the bending sliding block 8, and bending rollers are placed in the groove; the two ends of the bending slide block are provided with wing plates, the wing plates are arranged in L-shaped grooves at the upper part of the supporting block, and the top of the supporting block is provided with a pressing plate.
Two baffles 1 are welded to the bottom plate 10, the baffles being located at the left end of the bottom plate with a gap of 77mm width left between the baffles, and a flat steel 12 being placed at the gap between the baffles, as shown in figure 3. The upper die 2 is connected with the upper die plate 3 by bolts, and a groove is correspondingly formed between the upper die 2 and the upper die plate 3; the left end of the upper die 2 is of a cuboid structure, an arc-shaped groove is formed in the center of the upper end face, and 45-degree inclined planes are formed at the left end and the right end of the lower end face and are connected with the two side faces; the right end of the cuboid structure is connected with a cuboid lug, the upper end of the lug is flush with the upper end of the upper die 2, and the lower end of the lug is connected with the end of the 45-degree inclined plane. The bottom of the upper die 2 is attached to the upper part of the first forming cushion block 4.
The top of the upper template 3 is a stress surface, and the lifting of the upper template is controlled by a hydraulic cylinder; the upper template 3 is of a T-shaped structure, and a U-shaped groove is formed above the upper template and is connected with the hydraulic press through bolts. Four threaded holes are formed below the upper die plate and are connected with the upper die through bolts. A square through hole is transversely formed in the middle of the bottom of the upper die plate, and the purpose is that the bending roller can pass through the square through hole when bending operation is performed, so that the bending roller is prevented from colliding with the upper die plate. The bottom of the upper die plate is longitudinally provided with an arc-shaped groove which is arranged corresponding to the central arc-shaped groove of the upper die 2; the groove is a spare groove for taking out the forging piece.
After the control lever is formed, the flat steel is clung to the cuboid convex block of the upper die 2, the upper die plate is lifted, and the control lever is pushed out of the upper die 2 by applying force transversely and rightwards.
The first forming cushion block 4 and the second forming cushion block 5 are fixed on the bottom plate 10 by bolts. The first forming cushion block 4 is of a right trapezoid block structure (the cross section of the first forming cushion block is a right trapezoid), and the inclined side of the trapezoid is a 45-degree angle; is arranged corresponding to the 45-degree inclined plane of the middle connecting part at the bottom of the upper die 2. And the second forming cushion block 5 forms the vertical part of the lever. The second forming cushion block 5 is of a cuboid structure, and the left end of the upper portion is in smooth transition so as to be convenient for contact with flat steel. If the control lever with sharp corners is made, the surface of the flat steel can be scratched in the forming process.
The bending slide block 8 main body is of a cuboid structure with wing plates, a threaded hole (connecting push rod) is formed in the middle of one end of the cuboid, a groove is formed in the center of the bottom of the other end of the cuboid, pin shaft holes are formed in connecting blocks at two ends of the groove, bending rollers are mounted in the groove, the bending rollers 6 are connected with the bending slide block 8 through pin shafts, and the bending rollers can rotate around the pin shafts.
The bending roller 6 is of a cylindrical structure, a through hole is formed in the middle of the bending roller, a pin shaft penetrates through the through hole, and two ends of the pin shaft are fixed on the bending sliding block 8. The bending roller 6 pushes the head of the flat steel to advance in operation, the bending roller bends the flat steel from a vertical state to a horizontal state along with the rolling of the roller, and the roller moves on the flat steel; further, a bending roller is placed in a groove in the inner center of the bending slide block 8 and matched with the cuboid convex block of the upper die 2, so that the flat steel is bent. The threaded hole at the other end of the bending slide block 8 is connected with a hydraulic cylinder push rod 9, and the push rod is driven by a hydraulic cylinder. The left end of the push rod 9 is provided with external threads which are matched with the threaded holes of the bending slide blocks so as to be convenient for connection of the push rod and the bending slide blocks.
The clamp plate 7 is located the top of supporting shoe, with supporting shoe 11 bolted connection, supporting shoe 11 sets up respectively at the both ends of slider 8 of bending, and the inside side in supporting shoe 11 top is equipped with an L-shaped groove respectively, and it constitutes the track with the recess in the middle of with clamp plate 7 jointly, and the pterygoid lamina at slider 8 both ends of bending is located this track and slides, and the bottom welding of supporting shoe 11 is on bottom plate 10.
The specific implementation method comprises the following steps:
(1) Placing a flat steel 12 in a gap between two baffles 1 (the width of the flat steel is 75mm, the gap between the two baffles is 77 mm), starting a control button (in the embodiment, the control button is controlled by hydraulic pressure), controlling an upper die 2 to move downwards (the upper die is positioned above the middle part of a bottom plate), gradually contacting the flat steel with the upper die 2, the bottom plate 10, a first forming cushion block 4 and a second forming cushion block 5, and performing bottom transverse bending forming and head vertical forming, wherein the right end of the flat steel is extruded by the right side of the upper die and the left side of the second forming cushion block to be in a vertical state; in the step, the flat steel completes bottom forming under the extrusion action of an upper die, a first forming cushion block and a second forming cushion block (shown in figure 1);
(2) Starting a control button, controlling a push rod 9 by a hydraulic system to push a bending slide block 8 to move leftwards, driving a bending roller 6 to move leftwards by the bending slide block 8 along a track at the upper end of a supporting block, and transversely bending and forming the right vertical part of a flat steel 12; in the step, the flat steel completes head forming under the action of the bending roller 6, the push rod 9 and the bending slide block 8 (as shown in figure 1);
(3) After the head of the control lever is molded, the push rod 9 drives the bending slide block 8 and the bending roller 6 to move rightwards to leave the upper die 2, the upper die 2 moves upwards to drive the control lever to move upwards to separate from the bottom plate 10, and the control lever is pushed out of the upper die by transversely applying right force; the step is a demolding process.
Further, a groove is arranged at the contact part of the upper die 2 and the upper die plate 3, and the groove has the following functions: after the control lever is molded, the control lever is pushed out rightwards by applying force from the groove, and the demolding process is completed.
Claims (8)
1. A bending device for a control lever, characterized by: the device comprises a baffle, an upper die plate, a first forming cushion block, a second forming cushion block, a bending roller, a pressing plate, a bending sliding block, a push rod, a bottom plate and a supporting block; the bottom plate is of a cuboid structure, two baffles, a first forming cushion block and a second forming cushion block which are arranged in parallel are sequentially arranged above the bottom plate from left to right, an upper die is arranged above the right side of the baffles, the central line of the upper die is aligned with the bottom plate, and the bottom of the upper die is attached to the top of the first forming cushion block; a bending slide block is arranged above the right side of the second forming cushion block, and support blocks are respectively arranged on the front side and the rear side of the first forming cushion block and the front side and the rear side of the second forming cushion block; the center of the lower part of the bending slide block is provided with a hollow groove, and bending rollers are arranged in the groove; the two ends of the bending slide block are provided with wing plates, the wing plates are arranged in L-shaped grooves at the upper part of the supporting block, and the top of the supporting block is provided with a pressing plate.
2. The bending apparatus of a control lever of claim 1, wherein: the two baffles are welded on the bottom plate, the baffles are positioned at the left end part of the bottom plate, a gap is reserved between the two baffles, and flat steel is placed at the gap between the two baffles; the left end of the upper die is of a cuboid structure, an arc-shaped groove is formed in the center of the upper end face, and 45-degree inclined planes are formed at the left end and the right end of the lower end face and are connected with the two side faces; the right end of the cuboid structure is connected with a cuboid lug, the upper end of the lug is level with the upper end of the upper die, and the lower end of the lug is connected with the end of a 45-degree inclined plane on the right side; the bottom of the upper die is attached to the upper part of the first forming cushion block.
3. The bending apparatus of a control lever of claim 1, wherein: the top of the upper template is a stress surface, and the lifting of the upper template is controlled by a hydraulic cylinder; the upper die plate is of a T-shaped structure, a U-shaped groove is formed above the upper die plate, and the upper die plate is connected with the hydraulic press through bolts; four threaded holes are formed below the upper die plate and are connected with the upper die through bolts; the bottom of the upper die plate is longitudinally provided with an arc-shaped groove which is arranged corresponding to the central arc-shaped groove of the upper die; square through holes are transversely formed in the middle of the bottom of the upper template.
4. The bending apparatus of a control lever of claim 1, wherein: the first forming cushion block and the second forming cushion block are fixed on the bottom plate by bolts; the first forming cushion block is of a right trapezoid block structure, and the inclined edge of the trapezoid is at an angle of 45 degrees; 45-degree inclined planes of the middle connecting part of the bottom of the upper die are correspondingly arranged; the second forming cushion block is of a cuboid structure, and the left end of the upper portion is in smooth transition so as to be convenient for contact with flat steel.
5. The bending apparatus of a control lever of claim 1, wherein: the bending slide block main body is of a cuboid structure with wing plates, a threaded hole is formed in the middle of one end of the cuboid, a groove is formed in the center of the bottom of the other end of the cuboid, pin shaft holes are formed in connecting blocks at two ends of the groove, bending rollers are mounted in the groove and are connected with the bending slide block through pin shafts, and the bending rollers can rotate around the pin shafts.
6. The bending apparatus of a control lever of claim 5, wherein: the threaded hole at the other end of the bending slide block is connected with a push rod of the hydraulic cylinder, and the push rod is driven by the hydraulic cylinder; the left end of the push rod is provided with external threads which are matched with the threaded holes of the bending slide blocks so as to be convenient for connection of the push rod and the bending slide blocks.
7. The bending apparatus of a control lever of claim 1, wherein: the bending roller is of a cylindrical structure, a through hole is formed in the middle of the bending roller, the pin shaft penetrates through the through hole, and two ends of the pin shaft are fixed on the bending sliding block; the bending roller drives the head of the flat steel to advance in operation, bends the flat steel from a vertical state to a horizontal state along with the rolling of the roller, and the roller moves on the flat steel.
8. The bending apparatus of a control lever of claim 1, wherein: the clamp plate is located the top of supporting shoe, and bolted connection for the supporting shoe, two supporting shoes set up respectively at the both ends of the slider of bending, and the supporting shoe top is inwards equipped with an L-shaped groove respectively, and it forms the track with the recess in the middle of with the clamp plate jointly, and the pterygoid lamina at the slider both ends of bending is located this track and slides, and the bottom welding of supporting shoe is on the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223097150.8U CN219025541U (en) | 2022-11-22 | 2022-11-22 | Bending device of control lever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223097150.8U CN219025541U (en) | 2022-11-22 | 2022-11-22 | Bending device of control lever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219025541U true CN219025541U (en) | 2023-05-16 |
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ID=86290355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223097150.8U Active CN219025541U (en) | 2022-11-22 | 2022-11-22 | Bending device of control lever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219025541U (en) |
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2022
- 2022-11-22 CN CN202223097150.8U patent/CN219025541U/en active Active
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