Tail door spring prestressing machine with automatic feeding function

Abstract

The utility model provides an automatic feeding tail door spring prestressing machine which comprises a prestressing machine body, a telescopic frame is connected in the prestressing machine body in a sliding mode, a rotating rod is connected in the telescopic frame in a threaded mode, four extending grooves are formed in the telescopic frame, and extending rods are connected in the four extending grooves in a sliding mode. The surfaces of the four extension rods are all sleeved with extension springs. According to the tail door spring prestressing machine capable of achieving automatic feeding, after a fixing pin is rotated towards one side, a fixing plate is separated from a toothed plate, a plurality of extension springs push a connecting rod to drive a pressing plate to move downwards to make contact with a spring needing to be prestressing, the fixing pin is reset, a rotating rod is rotated towards one side, and then the spring is prestressing. And the telescopic frame drives the pressing plate to be separated from the elastic surface, so that the convenience of adjusting the pressing plate is improved, the pressing plate can be conveniently and quickly adjusted to a proper position, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of spring pressing machines, in particular to an automatic feeding 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] The current tailgate spring press machine loosens the five sets of screws on the pressure plate to allow the pressure plate to fall naturally on the spring. Then adjust the two sets of screws at both ends of the pressure plate to make the pressure plate just leave the spring, and then tighten the three sets of springs in the middle to adjust the pressure plate, which makes it inconvenient to quickly adjust the pressure plate to the appropriate position.

[0004] Therefore, it is necessary to provide a kind of tailgate spring strong pressing machine of automatic feeding to solve the above-mentioned technical problems. Utility Model Content

[0005] The utility model provides a tailgate spring strong pressing machine with automatic feeding, which solves the problem that it is inconvenient to quickly adjust the pressing plate to a suitable position.

[0006] In order to solve the above technical problems, the utility model provides an automatic feeding tailgate spring pressing machine, comprising:

[0007] A strong press, wherein a telescopic frame is slidably connected inside the strong press, and a rotating rod is threadedly connected inside the telescopic frame;

[0008] Four extension slots, the four extension slots are all arranged inside the telescopic frame, the four extension slots are all slidably connected with extension rods, the surfaces of the four extension rods are sleeved with extension springs, one end of the four extension rods is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with a pressing plate, one end of the extension rod is fixedly connected with a moving frame, and two moving slots are arranged inside the moving frame;

[0009] Two fixing holes, both of which are arranged inside the movable frame, both of which are threadedly connected with fixing pins, one end of each of which is rotatably connected with a fixing plate, and one side of each of which is meshed with a toothed plate.

[0010] Preferably, one ends of the four extension rods are fixedly connected to the bottom of the mobile frame and are located at the four corners of the mobile frame.

[0011] Preferably, one end of the four connecting rods is fixedly connected to one end of the four extension rods respectively, and the other end is fixedly connected to the top of the pressing plate.

[0012] Preferably, the four extension springs are respectively sleeved on the surfaces of the four extension rods and are respectively arranged inside the four extension slots.

[0013] Preferably, one side of the two fixing plates is rotatably connected to one end of the two fixing pins, and is slidably connected to the inside of the two movable grooves.

[0014] Preferably, a limiting block is fixedly connected to the surface of the rotating rod, and a supporting ring is fixedly connected to the top of the strong press.

[0015] Preferably, a limiting member is arranged inside the limiting block, and the limiting member comprises a limiting hole, and the limiting hole is internally threadedly connected to a limiting pin.

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

[0017] The utility model provides a tailgate spring pressing machine with automatic feeding, which can rotate a fixing pin to one side to separate the fixing plate from the tooth plate, and then a plurality of extension springs push the connecting rod to drive the pressing plate to move downward until it contacts the spring that needs to be pressed, and then the fixing pin is reset, and then the rotating rod is rotated to one side, and the telescopic frame drives the pressing plate to separate from the elastic surface, thereby increasing the convenience of adjusting the pressing plate, so that the pressing plate can be adjusted to a suitable position conveniently and quickly, thereby increasing work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A structural schematic diagram of a first embodiment of an automatic feeding 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 An enlarged schematic diagram of part A is shown;

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

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

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

[0024] Numbers in the figure: 1. press machine, 2. telescopic frame, 3. rotating rod, 4. extension slot, 41. extension rod, 42. extension spring, 43. connecting rod, 44. movable frame, 45. pressing plate, 5. fixing hole, 51. fixing pin, 52. fixing plate, 6. movable slot, 7. tooth plate, 8. limit block, 9. limit member, 10. support ring. 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 structural schematic diagram of a first embodiment of an automatic feeding 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 An enlarged schematic diagram of part A is shown; Figure 4 for Figure 2 The enlarged schematic diagram of part B is shown. An automatic feeding tailgate spring pressing machine comprises:

[0028] A strong press 1, wherein a telescopic frame 2 is slidably connected inside the strong press 1, and a rotating rod 3 is threadedly connected inside the telescopic frame 2;

[0029] Four extension slots 4, the four extension slots 4 are all arranged inside the telescopic frame 2, the four extension slots 4 are slidably connected with extension rods 41 inside, the surfaces of the four extension rods 41 are sleeved with extension springs 42, one end of the four extension rods 41 is fixedly connected with a connecting rod 43, one end of the connecting rod 43 is fixedly connected with a pressing plate 45, one end of the extension rod 41 is fixedly connected with a moving frame 44, and two moving slots 6 are provided inside the moving frame 44;

[0030] Two fixing holes 5, both of which are arranged inside the movable frame 44, both of which are threadedly connected with fixing pins 51, one end of each of which is rotatably connected with a fixing plate 52, and one side of each of which is meshed with a toothed plate 7.

[0031] The telescopic frame 2 includes a support plate and four support rods. The four support rods are slidably connected to the inside of the press 1, and one end of the four support rods is fixedly connected to the bottom of the support plate. A threaded hole matching the rotating rod 3 is opened inside, so that the support plate moves upward on the surface of the rotating rod 3 when the rotating rod 3 rotates to one side, and an extension groove 4 is opened inside the four support rods.

[0032] The rotating rod 3 is a threaded rod, one end of which is fixedly connected to a rotating handle for facilitating the rotation of the rotating rod 3 , and one end of the rotating rod 3 is rotatably connected to the top of the press 1 .

[0033] The two fixing holes 5 are both opened inside the moving frame 44 , and the fixing pin 51 is a bolt, which is used to move to one side inside the fixing hole 5 when the fixing pin 51 rotates to one side.

[0034] The two tooth plates 7 are both fixedly connected to the inside of the telescopic frame 2 .

[0035] One ends of the four extension rods 41 are fixedly connected to the bottom of the moving frame 44 and are located at four corners of the moving frame 44 .

[0036] One end of the four connecting rods 43 is fixedly connected to one end of the four extending rods 41 , respectively, and the other end of each of the four connecting rods 43 is fixedly connected to the top of the pressing plate 45 .

[0037] The four connecting rods 43 are slidably connected to the inside of the four extending slots 4 respectively.

[0038] The four extension springs 42 are respectively sleeved on the surfaces of the four extension rods 41 and are respectively disposed inside the four extension slots 4 .

[0039] One side of the two fixing plates 52 is rotatably connected to one end of the two fixing pins 51 , and is slidably connected to the inside of the two moving grooves 6 .

[0040] One side of the fixed plate 52 is adapted to the tooth plate 7 , and is used to limit the position of the movable frame 44 after the fixed plate 52 is engaged with the tooth plate 7 .

[0041] The working principle of the automatic feeding tailgate spring pressing machine provided by the utility model is as follows:

[0042] When in use, the two fixing pins 51 are rotated to one side, so that they move to one side inside the fixing holes 5 respectively, so that the two fixing plates 52 move to one side to suitable positions inside the two moving grooves 6 respectively, and then the two fixing plates 52 are separated from the two tooth plates 7.

[0043] The four extension springs 42 push the four connecting rods 43 to move to one side inside the four extension slots 4, respectively, thereby driving the pressing plate 45 to move downward to the bottom and contact the surface of the spring.

[0044] By rotating the two fixing pins 51 to one side and resetting them, the two fixing plates 52 are meshed with the two tooth plates 7 .

[0045] By rotating the rotating rod 3 to one side, the telescopic frame 2 is moved upward on the surface of the rotating rod 3, thereby driving the pressing plate 45 to move upward to a suitable position.

[0046] Compared with the related art, the automatic feeding tailgate spring pressing machine provided by the utility model has the following beneficial effects:

[0047] The utility model provides a tailgate spring pressing machine with automatic feeding, which can rotate the fixing pin 51 to one side to separate the fixing plate 52 from the tooth plate 7, and then the plurality of extension springs 42 push the connecting rod 43 to drive the pressing plate 45 to move downward until it contacts the spring that needs to be pressed, and then the fixing pin 51 is reset, and the rotating rod 3 is rotated to one side to drive the pressing plate 45 to separate from the elastic surface, thereby increasing the convenience of adjusting the pressing plate 45, so that the pressing plate 45 can be adjusted to a suitable position conveniently and quickly, thereby increasing work efficiency.

[0048] Second embodiment

[0049] Please refer to Figure 5 and Figure 6 Based on the automatic feeding tailgate spring pressing machine provided in the first embodiment of the present application, the second embodiment of the present application proposes another automatic feeding tailgate spring pressing machine. 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.

[0050] Specifically, the difference of the automatic feeding tailgate spring pressing machine provided in the second embodiment of the present application is that, in an automatic feeding tailgate spring pressing machine, the surface of the rotating rod 3 is fixedly connected to the limiting block 8, and the top of the pressing machine 1 is fixedly connected to the support ring 10.

[0051] A limiting member 9 is disposed inside the limiting block 8. The limiting member 9 includes a limiting hole. The limiting hole is internally threadedly connected to a limiting pin.

[0052] The limit pin is a bolt, and a limit hole adapted to the limit pin is provided inside the limit block 8, which is used to move to one side inside the limit hole when the limit pin rotates to one side, so that one end of the limit pin contacts the surface of the support ring 10 to limit the rotating rod 3, and the rotating rod 3 can rotate to one side when separated.

[0053] The working principle of the automatic feeding tailgate spring pressing machine provided by the utility model is as follows:

[0054] When in use, the position limiting member 9 is rotated to one side to a suitable position and contacts the supporting ring 10 to limit the rotation rod 3 .

[0055] Compared with the related art, the automatic feeding tailgate spring pressing machine provided by the utility model has the following beneficial effects:

[0056] The utility model provides a tailgate spring pressing machine with automatic feeding, which limits the rotating rod 3 by rotating the limiting member 9 to one side to a suitable position, thereby increasing the stability of the rotating rod 3 and preventing the rotating rod 3 from rotating to one side when the pressing machine 1 is working.

[0057] 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. An automatic feeding tailgate spring pressing machine, characterized in that: include: A strong press, wherein a telescopic frame is slidably connected inside the strong press, and a rotating rod is threadedly connected inside the telescopic frame; Four extension slots, the four extension slots are all arranged inside the telescopic frame, the four extension slots are all slidably connected with extension rods, the surfaces of the four extension rods are sleeved with extension springs, one end of the four extension rods is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with a pressing plate, one end of the extension rod is fixedly connected with a moving frame, and two moving slots are arranged inside the moving frame; Two fixing holes, both of which are arranged inside the movable frame, both of which are threadedly connected with fixing pins, one end of each of which is rotatably connected with a fixing plate, and one side of each of which is meshed with a toothed plate.

2. The automatic feeding tailgate spring pressing machine according to claim 1, characterized in that: One ends of the four extension rods are all fixedly connected to the bottom of the mobile frame and are located at the four corners of the mobile frame.

3. The automatic feeding tailgate spring pressing machine according to claim 2, characterized in that: One end of the four connecting rods is respectively fixedly connected to one end of the four extending rods, and the other ends are all fixedly connected to the top of the pressing plate.

4. The automatic feeding tailgate spring pressing machine according to claim 3, characterized in that: The four extension springs are respectively sleeved on the surfaces of the four extension rods and are respectively arranged inside the four extension slots.

5. The automatic feeding tailgate spring pressing machine according to claim 1, characterized in that: One side of the two fixing plates is rotatably connected to one end of the two fixing pins respectively, and is slidably connected to the inside of the two moving grooves respectively.

6. The automatic feeding tailgate spring pressing machine according to claim 1, characterized in that: The surface of the rotating rod is fixedly connected to a limiting block, and the top of the strong press is fixedly connected to a supporting ring.

7. The automatic feeding tailgate spring pressing machine according to claim 6, characterized in that: A limiting member is arranged inside the limiting block, and the limiting member comprises a limiting hole, and a limiting pin is connected to the inner thread of the limiting hole.

Images