Pneumatically-controlled tail door spring prestressing machine

Abstract

The utility model provides a pneumatically-controlled tail door spring prestressing machine which comprises a prestressing machine body, two moving grooves are formed in the prestressing machine body, a rotating rod is arranged in the prestressing machine body, and the surface of the rotating rod is in threaded connection with a rotating block. According to the pneumatically-controlled tail door spring prestressing machine, the rotating rod rotates towards one side, so that the rotating block is connected with the two moving blocks to drive the two moving frames to be connected with the baffle to move towards one side to a proper position, and therefore the position of the baffle can be adjusted according to the length of a spring needing to be prestressing; the stroke of the hydraulic rod is shortened when the hydraulic rod extends, the strong pressing time is shortened, the working efficiency is improved, meanwhile, when the height of a pressing plate in the strong pressing machine is adjusted, a reset spring is extruded or the reset spring pushes a reset rod to be connected with a movable plate to move up and down, and therefore springs with different diameters can be conveniently limited.

Description

Technical Field

[0001] The utility model relates to the field of spring pressing machines, in particular to a pneumatically controlled tailgate spring pressing machine. Background Art

[0002] A spring is a mechanical part that uses elasticity to work. A part made of elastic material will deform under the action of external force and return to its original shape after the external force is removed. It is also called a "spring" and is generally made of spring steel. There are many types of springs. According to their shape, there are mainly coil springs, scroll springs, leaf springs, special-shaped springs, etc.

[0003] When the current tailgate spring pressing machine presses the spring, the hydraulic rod is extended to one side to drive the pressure head to move to one side to press the spring, and when pressing springs of different lengths, the position of the block inside the tailgate spring pressing machine is fixed, resulting in a longer extension stroke of the hydraulic rod when squeezing a shorter spring, thereby increasing the pressing time and reducing work efficiency.

[0004] Therefore, it is necessary to provide a pneumatically controlled tailgate spring press to solve the above technical problems. Utility Model Content

[0005] The utility model provides a pneumatically controlled tailgate spring pressing machine, which solves the problem that the extension stroke of the hydraulic rod is long when the existing tailgate spring pressing machine presses a shorter spring.

[0006] In order to solve the above technical problems, the utility model provides a pneumatically controlled tailgate spring pressing machine, comprising:

[0007] A strong press, wherein two movable grooves are provided inside the strong press;

[0008] A rotating rod, the rotating rod is arranged inside the strong press, a rotating block is threadedly connected to the surface of the rotating rod, both sides of the rotating block are fixedly connected to moving blocks, the tops of the two moving blocks are fixedly connected to moving frames, and a baffle is arranged on one side of the moving frame;

[0009] Two reset grooves are respectively arranged inside the two moving blocks, and reset rods are slidably connected inside the two reset grooves. Reset springs are arranged at one end of the two reset rods, and a moving plate is arranged at one end of the reset rods.

[0010] Preferably, one side of the two moving blocks is respectively fixedly connected to the two sides of the rotating block, and is respectively slidably connected to the inside of the two moving grooves.

[0011] Preferably, two reset springs are respectively arranged at one end of the two reset rods and are respectively located inside the two reset grooves.

[0012] Preferably, one end of the two reset rods is fixedly connected to the bottom of the movable plate and is located on both sides of the movable plate.

[0013] Preferably, an extension groove is provided inside the baffle, and an extension plate is slidably connected inside the extension groove.

[0014] Preferably, a rotation groove is provided inside the movable plate, and a rotating rod is rotatably connected inside the rotation groove.

[0015] Preferably, two ends of the rotating rod are rotatably connected to two sides of the inner wall of the rotating groove respectively, and a rotating roller is fixedly connected to the surface of the rotating rod.

[0016] Compared with the related art, the pneumatically controlled tailgate spring pressing machine provided by the utility model has the following beneficial effects:

[0017] The utility model provides a pneumatically controlled tailgate spring pressing machine, which rotates a rotating rod to one side so that a rotating block connected to two moving blocks drives two moving frames connected to a baffle to move to a suitable position to one side, thereby the position of the baffle can be adjusted according to the length of the spring that needs to be pressed, so that the stroke of the hydraulic rod when extending is shortened, the pressing time is shortened and the work efficiency is increased. At the same time, when the pressure plate inside the pressing machine is adjusted in height, the reset spring is squeezed or the reset spring pushes the reset rod connected to the moving plate to move up and down, thereby facilitating the limiting of springs with different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic structural diagram of a first embodiment of a pneumatically controlled tailgate spring pressing machine provided by the utility model;

[0019] Figure 2 for Figure 1 A schematic cross-sectional view of the structure of the strong press shown;

[0020] Figure 3 for Figure 2 A schematic diagram of the structure of the rotating rod shown;

[0021] Figure 4 for Figure 2 An enlarged schematic diagram of part A is shown;

[0022] Figure 5 A schematic structural diagram of a second embodiment of a pneumatically controlled tailgate spring pressing machine provided by the utility model;

[0023] Figure 6 for Figure 5 An enlarged schematic diagram of part B is shown.

[0024] Numbers in the figure: 1, strong press, 2, rotating rod, 21, rotating block, 22, moving block, 23, moving frame, 3, reset groove, 31, reset rod, 32, reset spring, 33, moving plate, 4, moving groove, 5, baffle, 6, extension groove, 7, extension plate, 8, rotating groove, 9, rotating rod, 10, rotating roller. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0026] First embodiment

[0027] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A schematic structural diagram of a first embodiment of a pneumatically controlled tailgate spring pressing machine provided by the utility model; Figure 2 for Figure 1 A schematic cross-sectional view of the structure of the strong press shown; Figure 3 for Figure 2 A schematic diagram of the structure of the rotating rod shown; Figure 4 for Figure 2 A pneumatically controlled tailgate spring press includes:

[0028] A press 1, wherein two movable grooves 4 are provided inside the press 1;

[0029] A rotating rod 2, the rotating rod 2 is arranged inside the strong press 1, a rotating block 21 is threadedly connected to the surface of the rotating rod 2, both sides of the rotating block 21 are fixedly connected to moving blocks 22, the tops of the two moving blocks 22 are fixedly connected to moving frames 23, and a baffle 5 is arranged on one side of the moving frame 23;

[0030] Two reset grooves 3, the two reset grooves 3 are respectively arranged inside the two moving blocks 22, the insides of the two reset grooves 3 are slidably connected with reset rods 31, one end of the two reset rods 31 is provided with reset springs 32, and one end of the reset rods 31 is provided with a moving plate 33.

[0031] The rotating rod 2 is a threaded rod, and one end of the rotating rod 2 is fixedly connected with a rotating handle for facilitating the rotation of the rotating rod.

[0032] The rotating block 21 is a threaded block matched with the rotating rod 2 , and is used for the rotating block 21 to move to one side on the surface of the rotating rod 2 when the rotating rod 2 rotates to one side.

[0033] Two ends of the baffle 5 are fixedly connected to one side of the two moving frames 23 respectively.

[0034] One side of the two moving blocks 22 is fixedly connected to the two sides of the rotating block 21 , and is slidably connected to the inside of the two moving grooves 4 .

[0035] Two return springs 32 are respectively disposed at one end of the two return rods 31 and are respectively located inside the two return grooves 3 .

[0036] One end of the two reset rods 31 is fixedly connected to the bottom of the moving plate 33 and is located on both sides of the moving plate 33 .

[0037] An extension groove 6 is formed inside the baffle plate 5 , and an extension plate 7 is slidably connected inside the extension groove 6 .

[0038] The top of the extension plate 7 is fixedly connected to the bottom of the moving plate 33 , so as to drive the extension plate 7 to move upward inside the extension slot 6 when the moving plate 33 moves upward.

[0039] The working principle of a pneumatically controlled tailgate spring press provided by the utility model is as follows:

[0040] When in use, by rotating the rotating rod 2 to one side, the rotating block 21 moves to one side on the surface of the rotating rod 2 , and the two moving blocks 22 connected thereto move to one side inside the two moving grooves 4 respectively.

[0041] When the two moving blocks 22 move to one side, they drive the two moving frames 23 connected to the baffle plate 5 to move to one side to a suitable position.

[0042] When the pressure plate inside the strong press 1 is adjusted in height and moves downward, it drives the moving plate 33 connected to the two reset rods 31 to move downward in the two reset grooves 3 and squeeze the two reset springs 32 at the same time.

[0043] When the pressing plate moves upward, the two return springs 32 push the two return rods 31 connected to the moving plate 33 to move upward.

[0044] Compared with the related art, the pneumatically controlled tailgate spring pressing machine provided by the utility model has the following beneficial effects:

[0045] The utility model provides a pneumatically controlled tailgate spring pressing machine, which rotates a rotating rod 2 to one side so that a rotating block 21 connected to two moving blocks 22 drives two moving frames 23 connected to a baffle plate 5 to move to a suitable position to one side, thereby being able to adjust the position of the baffle plate 5 according to the length of the spring to be pressed, shortening the stroke of the hydraulic rod when extending, shortening the pressing time and increasing work efficiency, and at the same time, when the pressure plate inside the pressing machine 1 is adjusted in height, the reset spring 32 is squeezed or the reset spring 32 pushes the reset rod 31 connected to the moving plate 33 to move up and down, thereby facilitating the limiting of springs of different diameters.

[0046] Second embodiment

[0047] Please refer to Figure 5 and Figure 6 Based on the pneumatically controlled tailgate spring press provided in the first embodiment of the present application, the second embodiment of the present application proposes another pneumatically controlled tailgate spring press. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0048] Specifically, the difference of the pneumatically controlled tailgate spring pressing machine provided in the second embodiment of the present application is that, in the pneumatically controlled tailgate spring pressing machine, a rotating groove 8 is opened inside the movable plate 33, and a rotating rod 9 is rotatably connected inside the rotating groove 8.

[0049] Two ends of the rotating rod 9 are rotatably connected to two sides of the inner wall of the rotating groove 8 , and a rotating roller 10 is fixedly connected to the surface of the rotating rod 9 .

[0050] The rotating roller 10 is made of rubber material.

[0051] The working principle of a pneumatically controlled tailgate spring press provided by the utility model is as follows:

[0052] When in use, when the moving plate 33 moves to one side, the rotating roller 10 is driven to rotate to one side, thereby driving the rotating rod 9 to rotate to one side.

[0053] Compared with the related art, the pneumatically controlled tailgate spring pressing machine provided by the utility model has the following beneficial effects:

[0054] The utility model provides a pneumatically controlled tailgate spring pressing machine, which drives a rotating roller 10 to rotate to one side when a moving plate 33 moves to one side, thereby reducing the friction between the moving plate 33 and the pressure plate inside the pressing machine 1.

[0055] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A pneumatically controlled tailgate spring press, characterized in that: include: A strong press, wherein two movable grooves are provided inside the strong press; A rotating rod, the rotating rod is arranged inside the strong press, a rotating block is threadedly connected to the surface of the rotating rod, both sides of the rotating block are fixedly connected to moving blocks, the tops of the two moving blocks are fixedly connected to moving frames, and a baffle is arranged on one side of the moving frame; Two reset grooves are respectively arranged inside the two moving blocks, and reset rods are slidably connected inside the two reset grooves. Reset springs are arranged at one end of the two reset rods, and a moving plate is arranged at one end of the reset rods.

2. A pneumatically controlled tailgate spring pressing machine according to claim 1, characterized in that: One side of the two moving blocks is respectively fixedly connected to the two sides of the rotating block, and is respectively slidably connected to the inside of the two moving grooves.

3. The pneumatically controlled tailgate spring pressing machine according to claim 1, characterized in that: The two reset springs are respectively arranged at one end of the two reset rods and are respectively located inside the two reset grooves.

4. The pneumatically controlled tailgate spring pressing machine according to claim 1, characterized in that: One end of the two reset rods is fixedly connected to the bottom of the moving plate and is located on both sides of the moving plate.

5. The pneumatically controlled tailgate spring pressing machine according to claim 1, characterized in that: An extension groove is provided inside the baffle, and an extension plate is slidably connected inside the extension groove.

6. The pneumatically controlled tailgate spring pressing machine according to claim 4, characterized in that: A rotation groove is provided inside the movable plate, and a rotating rod is rotatably connected inside the rotation groove.

7. A pneumatically controlled tailgate spring pressing machine according to claim 6, characterized in that: The two ends of the rotating rod are respectively rotatably connected to the two sides of the inner wall of the rotating groove, and the surface of the rotating rod is fixedly connected with a rotating roller.

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