Hydraulic clamping device in rectangular spring forming machining equipment

Abstract

The utility model discloses a hydraulic clamping device in rectangular spring forming processing equipment, which belongs to the field of spring forming processing and comprises a platform, a hydraulic cylinder is fixedly connected above a rectangular spring platform, a movable end of the rectangular spring hydraulic cylinder is fixedly connected with a connecting frame, and the inner wall of the rectangular spring connecting frame is fixedly connected with a connecting rod. A rotating rod is rotationally connected above the rectangular spring platform; through the arrangement of the hydraulic air cylinder, the connecting frame, the connecting rod, the through hole, the connecting block, the fixing block, the clamping block, the connecting strip, the connecting plate, the first positioning block and the second positioning block, the purpose that the first positioning block and the second positioning block can fix the middle portion of the rectangular spring is achieved; the clamping mode can avoid the phenomenon that the middle of the rectangular spring is bent and raised, the situation that the rectangular spring jumps out at any time when the middle of the rectangular spring is raised is prevented, and therefore the stability of the rectangular spring in the forming process is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to spring forming processing technical field, concretely is a kind of hydraulic clamping device in rectangular spring forming processing equipment. BACKGROUND

[0002] Spring is as the basic piece in mechanical equipment, it is applied in many aspects in modern industry field, it can be used as strong buffering and damping spring, and used as energy storage element of motorized instrument, with its function more and more big, it also moves to some special occasions, especially in railway transport, petrochemical and electric power etc., and rectangular spring is also called die spring, because its manufacturing material section is rectangle, so it is called rectangular spring, rectangular spring is very suitable for the occasion that load is very high and space is very limited, it is designed to be used in hole or on shaft, meet the needs of high speed compression and super heavy load, currently rectangular spring needs to be fixed using hydraulic clamping device in the forming process, to prevent it from deviating to cause deviation in forming, to ensure that it meets factory standard.

[0003] However, the hydraulic clamping device in most of the rectangular spring forming processing equipment in the prior art usually clamps and fixes the rectangular spring in a mutual close operation mode, but this clamping mode will cause the middle part of the rectangular spring to be accompanied by bending and bulging phenomenon, which will cause the middle part of the rectangular spring to bounce out at any time, thereby affecting the stability of the rectangular spring forming.

[0004] Therefore, the utility model provides a kind of hydraulic clamping device in rectangular spring forming processing equipment to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model provides a kind of hydraulic clamping device in rectangular spring forming processing equipment, aims to solve the problem proposed in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of hydraulic clamping device in rectangular spring forming processing equipment, including platform, the upper side of platform is fixedly connected with hydraulic cylinder, the movable end of hydraulic cylinder is fixedly connected with connecting frame, the inner wall of connecting frame is fixedly connected with connecting rod, the upper side of platform is rotatably connected with rotary bar, the outer surface of rotary bar is fixedly connected with connecting block, the inner portion of connecting block is equipped with the through hole for the sliding of connecting rod, the outer surface of rotary bar is fixedly connected with connecting strip, the outer wall of connecting block is fixedly connected with fixed block, the upper side of platform is fixedly connected with first positioning block, the upper side of first positioning block is provided with the second positioning block compatible with it, the outer wall of second positioning block is fixedly connected with the connecting plate of contact with connecting strip.

[0007] As a preferred technical scheme of the present application, the top of the first positioning block is fixedly connected with a telescopic rod, and the end of the telescopic rod away from the first positioning block is fixedly connected with the bottom of the second positioning block.

[0008] As a preferred technical scheme of the present application, the top of the first positioning block is fixedly connected with a spring, and the end of the spring away from the first positioning block is fixedly connected with the bottom of the second positioning block.

[0009] As a preferred technical scheme of the present application, the telescopic rod is inserted into the inner ring of the spring, and the inner sides of the first positioning block and the second positioning block are arc-shaped.

[0010] As a preferred technical scheme of the present application, the inside of the fixed block is screw-connected with a bolt, and the end of the bolt away from the fixed block is fixedly connected with a clamping block.

[0011] As a preferred technical scheme of the present application, the inside of the platform is provided with a mounting hole, and the inner sides of the first positioning block and the second positioning block are provided with a strip-shaped slot for accommodating the rectangular spring.

[0012] The utility model discloses a hydraulic cylinder, connecting frame, connecting rod, through -hole, connecting block, fixed block, clamping block, connecting strip, connecting plate, first positioning block and second positioning block's setting, when two hydraulic cylinders drive connecting frame to be away from each other respectively, two connecting frames can drive connecting rod to move in through -hole respectively, so that two connecting rods can respectively extrude connecting block and be inclined to the angle, make two connecting blocks utilize the rotation cooperation between the swivel lever and the platform to drive fixed block respectively to realize vertical angle adjustment, to reach two clamping blocks can extrude and fix the both ends of rectangular spring, and one swivel lever can drive connecting strip synchronous rotation, make connecting strip rotate to contact connecting plate, can press down connecting plate when, make connecting plate drive second positioning block and move to certain position, second positioning block can realize the state of merging between first positioning block, to reach first positioning block and second positioning block can fix the middle part of rectangular spring, and then this clamping mode can avoid the middle part of rectangular spring to produce the phenomenon of bending and rising, prevent the middle part of rectangular spring from rising and bounce out at any time, to ensure the stability of rectangular spring when forming. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a hydraulic clamping device's structural schematic view in a rectangular spring forming processing equipment;

[0014] Figure 2 It is a platform's structural schematic view in a hydraulic clamping device in a rectangular spring forming processing equipment;

[0015] Figure 3It is a hydraulic cylinder structure diagram of a hydraulic clamping device in a rectangular spring forming processing equipment;

[0016] Figure 4 It is Figure 2 The enlarged structure diagram of A;

[0017] Figure 5 It is Figure 3 The enlarged structure diagram of B;

[0018] In the figure,

[0019] 1, platform; 2, hydraulic cylinder; 3, connecting frame; 4, connecting rod; 5, rotating rod; 6, connecting block; 7, through hole; 8, connecting strip; 9, fixed block; 10, first positioning block; 11, second positioning block; 12, connecting plate; 13, telescopic rod; 14, spring; 15, bolt; 16, clamping block; 17, mounting hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] The present application provides a kind of hydraulic clamping device in rectangular spring forming processing equipment, as Figures 1-5 It is shown that the clamping device includes platform 1, the upper portion of platform 1 is fixedly connected with hydraulic cylinder 2, the movable end of hydraulic cylinder 2 is fixedly connected with connecting frame 3, the inner wall of connecting frame 3 is fixedly connected with connecting rod 4, the upper portion of platform 1 is rotatably connected with rotating rod 5, the outer surface of rotating rod 5 is fixedly connected with connecting block 6, the inside of connecting block 6 is provided with through hole 7 for the sliding of connecting rod 4, the outer surface of rotating rod 5 is fixedly connected with connecting strip 8, the outer wall of connecting block 6 is fixedly connected with fixed block 9, the upper portion of platform 1 is fixedly connected with first positioning block 10, the upper portion of first positioning block 10 is provided with second positioning block 11 matched therewith, the outer wall of second positioning block 11 is fixedly connected with connecting plate 12 in contact with connecting strip 8, the inside of fixed block 9 is threadedly connected with bolt 15, one end of bolt 15 away from fixed block 9 is fixedly connected with clamping block 16.

[0022] The hydraulic cylinder 2 enables the connecting frame 3 to move, so that when the two hydraulic cylinders 2 operate, the connecting frame 3 is driven to move away from each other, so that the connecting rod 4 is driven to move away from each other in the through hole 7, and the two connecting blocks 6 are squeezed to be angularly inclined by the rotating cooperation between the rotating rod 5 and the platform 1, so that the two connecting blocks 6 drive the fixed blocks 9 to be angularly inclined, and the two fixed blocks 9 drive the clamping blocks 16 to be angularly inclined through the bolts 15, so that the two clamping blocks 16 are angularly inclined to the appropriate position to clamp and fix the two ends of the rectangular spring, so as to achieve the purpose of clamping the rectangular spring in the first layer, and one of the rotating rods 5 drives the connecting strip 8 to rotate synchronously in the rotating process, so that the connecting strip 8 rotates to contact the connecting plate 12, and the connecting plate 12 is pressed downward, so that the connecting plate 12 drives the second positioning block 11 to move downward, and the second positioning block 11 moves downward to merge with the first positioning block 10 to fix the middle part of the rectangular spring, so as to prevent the two ends of the rectangular spring from being squeezed by the clamping blocks 16 to cause the middle part to be raised, thereby effectively avoiding the situation that the middle part of the rectangular spring is bounced out due to the rise, so as to ensure the stability of the rectangular spring, greatly reduce the probability that the rectangular spring will produce defective products, and the bolts 15 drive the clamping blocks 16 to move by cooperating with the fixed blocks 9, so as to achieve the purpose that the two clamping blocks 16 can be adjusted according to the length of the rectangular spring, so that the two clamping blocks 16 can smoothly contact the rectangular spring and clamp and fix it.

[0023] The top of the first positioning block 10 is fixedly connected with the telescopic rod 13, one end of the telescopic rod 13 away from the first positioning block 10 is fixedly connected with the bottom of the second positioning block 11, the top of the first positioning block 10 is fixedly connected with the spring 14, one end of the spring 14 away from the first positioning block 10 is fixedly connected with the bottom of the second positioning block 11, the telescopic rod 13 penetrates the inner ring of the spring 14, and the inner sides of the first positioning block 10 and the second positioning block 11 are arc-shaped.

[0024] The telescopic rod 13 enables the first positioning block 10 and the second positioning block 11 to have a connection fixed point, so as to prevent the second positioning block 11 from falling directly, and the telescopic rod 13 provides telescopic characteristics, so that the second positioning block 11 has a moving condition, so that when the connecting strip 8 presses the connecting plate 12 downward, the connecting plate 12 drives the second positioning block 11 to move downward to merge with the first positioning block 10, and the spring 14 enables the second positioning block 11 to have elastic adjustment force, so that when the connecting plate 12 loses the pressing of the connecting strip 8, the second positioning block 11 can be automatically reset by the elastic force of the spring 14, so as to facilitate taking the rectangular spring on the first positioning block 10.

[0025] The platform 1 is internally provided with a mounting hole 17, and the inner sides of the first positioning block 10 and the second positioning block 11 are both provided with a strip-shaped slot for accommodating the rectangular spring.

[0026] The mounting hole 17 enables the platform 1 to be mounted on a rectangular spring forming device, so that the device can be integrated with the rectangular spring forming device, facilitating the use of the device and providing good stability for the device, and the inner sides of the first positioning block 10 and the second positioning block 11 are provided with a strip-shaped slot shaped like the spring 14, so that the rectangular spring has better accommodation between the first positioning block 10 and the second positioning block 11, thereby providing better clamping firmness for the rectangular spring, so as to improve the stability during the forming of the rectangular spring.

[0027] Working principle:

[0028] When it is necessary to clamp the rectangular spring, first place the rectangular spring on the first positioning block 10, and then start the two hydraulic cylinders 2 to drive the connecting frames 3 to move away from each other, so that the connecting rods 4 are driven to move away from each other, when the two connecting rods 4 move in the through holes 7, the connecting blocks 6 are squeezed to be angularly inclined through the rotational cooperation between the connecting blocks 6 and the platform 1, so that the connecting blocks 6 drive the fixed blocks 9 to be angularly inclined, so that the fixed blocks 9 drive the clamping blocks 16 to be angularly inclined, so that the clamping blocks 16 are angularly inclined to the appropriate position to clamp the two ends of the rectangular spring, and one of the rotating rods 5 drives the connecting strip 8 to rotate synchronously in the process of rotation, so that the connecting strip 8 is pressed downward when it is in contact with the connecting plate 12, so that the second positioning block 11 is driven to move downward, so that the second positioning block 11 is combined with the first positioning block 10 to fix the middle part of the rectangular spring.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A hydraulic clamping device in a rectangular spring forming apparatus, characterized by: Including platform (1), the upper fixed connection of platform (1) has hydraulic cylinder (2), the movable end fixed connection of hydraulic cylinder (2) has connecting frame (3), the inner wall fixed connection of connecting frame (3) has connecting rod (4), the upper rotary connection of platform (1) has rotary bar (5), the outer surface fixed connection of rotary bar (5) has connecting block (6), the inside of connecting block (6) is set with the through hole (7) of the sliding of connecting rod (4), the outer surface fixed connection of rotary bar (5) has connecting strip (8), the outer wall fixed connection of connecting block (6) has fixed block (9), the upper fixed connection of platform (1) has first positioning block (10), the upper of first positioning block (10) is provided with the second positioning block (11) that is suitable for it, the outer wall fixed connection of second positioning block (11) has the connecting plate (12) that is in contact with connecting strip (8).

2. A hydraulic clamping device for a rectangular spring forming apparatus according to claim 1, characterized in that: The top of first positioning block (10) is fixedly connected with telescopic rod (13), and one end of telescopic rod (13) away from first positioning block (10) is fixedly connected with the bottom of second positioning block (11).

3. A hydraulic clamping device in a rectangular spring forming apparatus according to claim 1, wherein: The top of first positioning block (10) is fixedly connected with spring (14), and one end of spring (14) away from first positioning block (10) is fixedly connected with the bottom of second positioning block (11).

4. A hydraulic clamping device for a rectangular spring forming apparatus as claimed in claim 2, wherein: Telescopic rod (13) is inserted in the inner ring of spring (14), and the inner side of first positioning block (10) and second positioning block (11) is arc-shaped.

5. The hydraulic clamping device in the rectangular spring forming apparatus according to claim 1, wherein: The inside of fixed block (9) is screw-connected with bolt (15), and one end of bolt (15) away from fixed block (9) is fixedly connected with clamping block (16).

6. A hydraulic clamping device for a rectangular spring forming apparatus as claimed in claim 1, wherein: The inside of platform (1) is provided with mounting hole (17), and the inner side of first positioning block (10) and second positioning block (11) is provided with strip-shaped slot for accommodating rectangular spring.

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