Expansion screw pressing device

Abstract

The utility model discloses an expansion screw press-fit device, which belongs to the technical field of press-fit devices, and is characterized in that the expansion screw press-fit device comprises an operation table, the top of the operation table is in bolted connection with an operation frame, the top of the operation frame is in bolted connection with a support, the top of the operation table is in bolted connection with a machining table, and the top of the support is provided with a pressing assembly. Through the arrangement of the operation table, the operation frame, the support, the machining table, the downward pressing assembly, the pressing assembly, pressing holes and a buffering assembly, in the using process, an expansion screw is pressed, the end of a needed expansion pipe is opened, then the expansion pipe is attached to a plate-shaped component of the expansion pipe, and then the expansion pipe is placed in the pressing holes in the two sides of the top of the machining table; and then a hydraulic cylinder located at the top of the support is started to automatically push a lifting plate downwards, and the lifting plate is made to move downwards to further drive sliding blocks to slide outwards on the two sides of the bottom of the lifting plate.

Description

Technical Field

[0001] The utility model relates to the technical field of pressing devices, in particular to an expansion screw pressing device. Background Art

[0002] Expansion screws use the wedge-shaped slope to cause the end of the expansion tube to expand to generate friction and grip force, thereby achieving the desired fixing effect. They are not only widely used in the installation of awnings, air conditioners, etc., but also have excellent fixing effects on some plate-like components. To achieve the fixation of plate-like components, you first need to open the end of the expansion tube and fit it with the plate-like component. This process is currently mainly completed by the operator holding the pressure rod and pressing it together.

[0003] At present, a Chinese utility model with announcement number: CN213628327U discloses an expansion screw pressing device. This utility model discloses an expansion screw pressing device, which belongs to the technical field of pressing devices, including a support plate, a support column is arranged on the lower surface of the support plate, brackets are arranged on both sides of the upper surface of the support plate, and a workbench is arranged on the upper surface of the support plate. It is characterized in that: a limit sleeve is arranged on the top of the bracket, a lifting rod is arranged on the inner side of the limit sleeve, a supporting block is arranged on the upper part of the lifting rod, a pressure rod is arranged at the bottom of the lifting rod, a fixing groove is arranged at the corresponding position of the workbench and the pressure rod, a rotating seat is arranged on the side of the limit sleeve away from the bracket, a rocker is arranged on the inner side of the rotating seat, a socket is arranged at the center position of the lower part of the pressure rod, and a pressing part is arranged at the bottom edge position of the pressure rod. The shape of the pressing part is truncated cone. Compared with the traditional processing method of pressing and fixing the expansion screw by holding the pressure rod by hand, the working efficiency and processing quality of the utility model are significantly improved.

[0004] According to the above patent, although the existing expansion screw pressing device can achieve manual shaking in two directions using a rocker during use, which improves work efficiency compared to the traditional hand-held pressure rod pressing, it still needs to be operated manually using a rocker during actual use. As a result, long-term operation will cause excessive fatigue of the workers, and will inevitably affect the pressing process of the expansion screws, thereby reducing work efficiency. Therefore, the above patent is improved based on the problems raised. Utility Model Content

[0005] The utility model provides an expansion screw pressing device, aiming to solve the problem that although the existing expansion screw pressing device can realize manual shaking in two directions by using a rocker when in use, and compared with the traditional hand-held pressing rod pressing, the work efficiency is improved, but in actual use, it still needs to be operated manually by using the rocker, so that long-time operation will cause excessive fatigue of the workers, and it will inevitably affect the pressing process of the expansion screws, thereby reducing the work efficiency.

[0006] The utility model is implemented as follows: an expansion screw pressing device comprises an operating table, an operating frame is bolted to the top of the operating table, a bracket is bolted to the top of the operating frame, a processing table is bolted to the top of the operating table, a pressing component is arranged on the top of the bracket, a pressing component is arranged on the top of the operating frame, pressing holes are opened on both sides of the top of the processing table, and a buffer component is arranged on the bottom side of the pressing hole;

[0007] The pressing assembly includes a hydraulic cylinder, a lifting plate, a slider and a pressure rod. The hydraulic cylinder is bolted to the top of the bracket, the telescopic end of the hydraulic cylinder passes through the top of the bracket, the lifting plate is bolted to the telescopic end of the hydraulic cylinder, the slider is slidably connected to both sides of the bottom of the lifting plate, the top of the pressure rod is rotatably connected to the inner side of the bottom of the slider, and the bottom of the pressure rod is rotatably connected to the inner side of the top of the operating frame.

[0008] In order to achieve the effect of cooperating with the pressing down assembly to press the expansion tube structure subsequently placed inside the pressing hole, as a preferred expansion screw pressing device of the utility model, the pressing assembly includes a shift rod, a pressing sleeve, a fixing plate, a tension spring and a pressing rod, the shift rod respectively passes through both sides of the top of the operating frame and is slidably connected, the pressing sleeve is welded to the top of the shift rod, the fixing plate is sleeved on the bottom of the outer side of the shift rod, the tension spring is respectively fixedly connected to both sides of the top of the fixing plate, the top of the tension spring is fixedly connected to the bottom of the operating frame, the pressing rod is fixedly connected to the bottom of the fixing plate, and the bottom of the pressing rod is a cavity.

[0009] In order to achieve the effect of pressing the expansion tube structure placed inside the pressing hole for buffering, a preferred expansion screw pressing device of the utility model includes a spring and a base plate, the spring is fixedly connected to the bottom side of the pressing hole, and the base plate is fixedly connected to the top of the spring.

[0010] In order to achieve the effect of supporting the operating table, as a preferred expansion screw pressing device of the utility model, the four corners of the bottom of the operating table are bolted with supporting legs, and the bottom of the supporting legs is welded with a reinforcing plate.

[0011] In order to achieve a stable effect when the lifting plate is lifted and lowered inside its bracket, as a preferred expansion screw pressing device of the utility model, auxiliary grooves are opened on both sides of the bracket, and auxiliary blocks are bolted on both sides of the lifting plate, and the auxiliary blocks are slidably connected inside the auxiliary grooves.

[0012] In order to achieve the effect of protecting the inside of the pressing sleeve, as a preferred expansion screw pressing device of the utility model, a reinforcement pad is bonded to the inner side of the top of the pressing sleeve, and the reinforcement pad is made of rubber material.

[0013] In order to further enhance the protective performance of the reinforcement pad, as a preferred expansion screw pressing device of the utility model, the surface of the reinforcement pad is provided with anti-skid patterns, and the anti-skid patterns are in a grid shape.

[0014] In order to further enhance the effect of protecting the expansion tube structure placed inside the pressing hole, as a preferred expansion screw pressing device of the utility model, a protective ring is bonded to the inner wall of the pressing hole, and the protective ring is made of hard rubber material.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The expansion screw pressing device is provided with an operating table, an operating frame, a bracket, a processing table, a pressing assembly, a pressing assembly, a pressing hole and a buffer assembly. When in use, the expansion tube end required for pressing the expansion screw is opened, and then fitted with the plate-shaped component, and then placed in the pressing holes on both sides of the top of the processing table, and then the hydraulic cylinder located on the top of the bracket is started to automatically push the lifting plate downward, and the downward movement of the lifting plate further drives the slider to slide outward on both sides of the bottom of the lifting plate, so that the pressing rod connected to the inside of the slider is pressed downward toward the top of the operating frame, so as to realize the pressing of the pressing rod arranged on both sides of the top of the operating frame. The pressing assembly is pressed, so that the pressing assembly is pressed against the expansion screw structural parts placed in the pressing holes on both sides of the top of the processing table, and the buffer assembly located at the bottom side of the pressing hole is used for auxiliary buffering, so as to avoid damage caused by excessive pressing force. After the pressing is completed, the hydraulic cylinder pulls the lifting plate, the slider and the pressing rod to return to the initial position, and the pressing assembly also returns to the initial position due to its own rebound pulling force when not pressed by the pressing rod, and the expansion screw that has completed the pressing is ejected upward by the buffer assembly inside its pressing hole, so that the whole can realize the operation without manual pressing and turning, thereby reducing the fatigue of workers and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of the expansion screw pressing device of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the operating table in the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the lower pressure component in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the press-fit assembly in the utility model;

[0021] Figure 5 It is a structural schematic diagram of the buffer component in the utility model.

[0022] In the figure, 1. operating table; 2. operating frame; 3. bracket; 4. processing table; 5. pressing assembly; 501. hydraulic cylinder; 502. lifting plate; 503. slider; 504. pressing rod; 6. pressing assembly; 601. shift rod; 602. pressing sleeve; 603. fixing plate; 604. tension spring; 605. pressing rod; 7. pressing hole; 8. buffer assembly; 801. spring; 802. bottom plate; 9. supporting leg; 10. auxiliary groove; 11. auxiliary block; 12. reinforcement pad; 13. protective ring. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-5 The utility model provides a technical solution: an expansion screw pressing device, including an operating table 1, an operating frame 2 is bolted to the top of the operating table 1, a bracket 3 is bolted to the top of the operating frame 2, a processing table 4 is bolted to the top of the operating table 1, a pressing component 5 is arranged on the top of the bracket 3, a pressing component 6 is arranged on the top of the operating frame 2, pressing holes 7 are opened on both sides of the top of the processing table 4, and a buffer component 8 is arranged on the bottom side of the pressing hole 7;

[0026] The pressing assembly 5 includes a hydraulic cylinder 501, a lifting plate 502, a slider 503 and a pressure rod 504. The hydraulic cylinder 501 is bolted to the top of the bracket 3, the telescopic end of the hydraulic cylinder 501 passes through the top of the bracket 3, the lifting plate 502 is bolted to the telescopic end of the hydraulic cylinder 501, the slider 503 is slidably connected to both sides of the bottom of the lifting plate 502, the top of the pressure rod 504 is rotatably connected to the inner side of the bottom of the slider 503, and the bottom of the pressure rod 504 is rotatably connected to the inner side of the top of the operating frame 2.

[0027] In this embodiment: by setting an operating table 1, an operating frame 2, a bracket 3, a processing table 4, a pressing component 5, a pressing component 6, a pressing hole 7 and a buffer component 8, when in use, the expansion tube end required for pressing the expansion screw is opened, and then it is fitted with the plate-like component, and then placed in the pressing holes 7 on both sides of the top of the processing table 4, and then the hydraulic cylinder 501 located at the top of the bracket 3 is started to automatically push the lifting plate 502 downward, and the downward movement of the lifting plate 502 further drives the slider 503 to slide outward on both sides of the bottom of the lifting plate 502, so that the pressing rod 504 connected to the inside of the slider 503 is pressed down to the top of the operating frame 2, so as to realize the pressing rod 504 set on the top of the operating frame 2 The pressing components 6 on both sides of the top are pressed, so that the pressing components 6 are pressed against the expansion screw structural parts placed in the pressing holes 7 on both sides of the top of the processing table 4, and the buffer components 8 located on the bottom side of the pressing holes 7 are used for auxiliary buffering, so as to avoid damage caused by excessive pressing force. After the pressing is completed, the hydraulic cylinder 501 pulls the lifting plate 502, the slider 503 and the pressing rod 504 to return to the initial position, and the pressing component 6 also returns to the initial position due to its own rebound pulling force when not pressed by the pressing rod 504, and the expansion screw that has completed the pressing is ejected upward by the buffer component 8 inside the pressing hole 7, so that the whole can realize the operation without manual pressing and turning, thereby reducing the fatigue of workers and improving work efficiency.

[0028] As a technical optimization scheme of the utility model, the pressing assembly 6 includes a shift rod 601, a pressing sleeve 602, a fixing plate 603, a tension spring 604 and a pressing rod 605. The shift rod 601 passes through both sides of the top of the operating frame 2 and is slidably connected. The pressing sleeve 602 is welded on the top of the shift rod 601. The fixing plate 603 is sleeved on the bottom of the outer side of the shift rod 601. The tension spring 604 is fixedly connected to both sides of the top of the fixing plate 603. The top of the tension spring 604 is fixedly connected to the bottom of the operating frame 2. The pressing rod 605 is fixedly connected to the bottom of the fixing plate 603. The bottom of the pressing rod 605 is a cavity.

[0029] In this embodiment: by setting a shift rod 601, a pressing sleeve 602, a fixing plate 603, a tension spring 604 and a pressing rod 605, when the pressing rod 504 connected to the slider 503 is rotated inside and presses down the pressing sleeve 602 at the top of the operating frame 2, the shift rod 601 at the bottom of the pressing sleeve 602 moves downward. During this process, the fixing plate 603 located outside the shift rod 601 cooperates with the tension spring 604 to apply a pulling force to the shift rod 601 when it moves downward. Then, the pressing rod 605 at the bottom of the fixing plate 603 presses the expansion screw structural parts placed in the pressing holes 7 on both sides of the top of the processing table 4 during the descending process.

[0030] As a technical optimization solution of the present invention, the buffer assembly 8 includes a spring 801 and a bottom plate 802 . The spring 801 is fixedly connected to the bottom side of the pressing hole 7 , and the bottom plate 802 is fixedly connected to the top of the spring 801 .

[0031] In this embodiment: by setting the spring 801 and the bottom plate 802, when the pressing rod 605 presses the expansion screw structural parts placed inside the pressing holes 7 on both sides of the top of the processing table 4, the bottom plate 802 located at the bottom side of the pressing hole 7 cooperates with the spring 801 to assist in buffering the expansion screw structural parts, thereby avoiding damage caused by excessive pressing force.

[0032] As a technical optimization solution of the present invention, the four corners of the bottom of the operating table 1 are bolted with supporting legs 9 , and the bottom of the supporting legs 9 is welded with a reinforcing plate 603 .

[0033] In this embodiment, the supporting legs 9 are provided to support the operating table 1, thereby facilitating processing.

[0034] As a technical optimization solution of the present invention, auxiliary grooves 10 are opened on both sides of the inside of the bracket 3, and auxiliary blocks 11 are bolted on both sides of the lifting plate 502, and the auxiliary blocks 11 are slidably connected inside the auxiliary grooves 10.

[0035] In this embodiment, by providing the auxiliary groove 10 and the auxiliary block 11 , the lifting plate 502 can be stably lifted when it is lifted inside the bracket 3 .

[0036] As a technical optimization solution of the utility model, a reinforcement pad 12 is bonded to the inner side of the top of the pressing sleeve 602, and the reinforcement pad 12 is made of rubber material.

[0037] In this embodiment, by providing the reinforcing pad 12, the inside of the pressing sleeve 602 can be protected, thereby preventing the pressing sleeve 602 from being worn during use.

[0038] As a technical optimization solution of the present invention, the surface of the reinforcement pad 12 is provided with anti-skid patterns, and the anti-skid patterns are in a grid shape.

[0039] In this embodiment, a grid-shaped anti-skid pattern is provided on the surface of the reinforcement pad 12 , so that the protective performance of the reinforcement pad 12 can be further improved.

[0040] As a technical optimization solution of the present invention, a protective ring 13 is bonded to the inner wall of the press-fit hole 7, and the protective ring 13 is made of hard rubber material.

[0041] In this embodiment, by providing the protection ring 13 , the effect of protecting the expansion tube structure disposed inside the press-fit hole 7 can be further improved.

[0042] Working principle: First, the expansion tube end required for the expansion screw pressing is opened, and then it is fitted with the plate-like component, and then placed in the pressing holes 7 on both sides of the top of the processing table 4, and then the hydraulic cylinder 501 located on the top of the bracket 3 is started to automatically push the lifting plate 502 downward, and the lifting plate 502 moves downward to further drive the slider 503 to slide outward on both sides of the bottom of the lifting plate 502, so that the pressing rod 504 connected to the slider 503 is rotated inside to press the pressing sleeve 602 on the top of the operating frame 2, so that the moving rod 601 at the bottom of the pressing sleeve 602 moves downward. In this process, the fixed plate 603 located on the outside of the moving rod 601 cooperates with the tension spring 604 to apply tension to the moving rod 601 when it moves downward, and then the pressing rod 605 at the bottom of the fixed plate 603 During the descent process, the expansion screw structural parts placed in the pressing holes 7 on both sides of the top of the processing table 4 are pressed, and then in this process, the bottom plate 802 located at the bottom side of the pressing hole 7 cooperates with the spring 801 to assist in buffering the expansion screw structural parts, so as to avoid damage caused by excessive pressing force. After the pressing is completed, the hydraulic cylinder 501 pulls the lifting plate 502, the slider 503 and the pressing rod 504 back to their initial positions, and the pressing sleeve 602 rebounds through its own tension spring 604 without being pressed by the pressing rod 504, and pulls the pressing rod 605 back to its initial position. The expansion screw that has completed the pressing is ejected upward by the bottom plate 802 inside the pressing hole 7 in cooperation with the spring 801, and the overall operation can be realized without manual pressing and rotating, thereby reducing the fatigue of workers and improving work efficiency.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An expansion screw pressing device, comprising an operating table (1), characterized in that: The top of the operating table (1) is bolted to an operating frame (2), the top of the operating frame (2) is bolted to a bracket (3), the top of the operating table (1) is bolted to a processing table (4), the top of the bracket (3) is provided with a pressing component (5), the top of the operating frame (2) is provided with a pressing component (6), both sides of the top of the processing table (4) are provided with pressing holes (7), and the bottom side of the pressing hole (7) is provided with a buffer component (8); The pressing assembly (5) comprises a hydraulic cylinder (501), a lifting plate (502), a slider (503) and a pressing rod (504); the hydraulic cylinder (501) is bolted to the top of the bracket (3); the telescopic end of the hydraulic cylinder (501) passes through the top of the bracket (3); the lifting plate (502) is bolted to the telescopic end of the hydraulic cylinder (501); the slider (503) is slidably connected to both sides of the bottom of the lifting plate (502); the top of the pressing rod (504) is rotatably connected to the inner side of the bottom of the slider (503); and the bottom of the pressing rod (504) is rotatably connected to the inner side of the top of the operating frame (2).

2. The expansion screw pressing device according to claim 1, characterized in that: The pressing assembly (6) comprises a shift rod (601), a pressing sleeve (602), a fixing plate (603), a tension spring (604) and a pressing rod (605); the shift rod (601) respectively passes through two sides of the top of the operating frame (2) and is slidably connected; the pressing sleeve (602) is welded to the top of the shift rod (601); the fixing plate (603) is sleeved on the bottom of the outer side of the shift rod (601); the tension spring (604) is respectively fixedly connected to two sides of the top of the fixing plate (603); the top of the tension spring (604) is fixedly connected to the bottom of the operating frame (2); the pressing rod (605) is fixedly connected to the bottom of the fixing plate (603); and the bottom of the pressing rod (605) is a cavity.

3. The expansion screw pressing device according to claim 1, characterized in that: The buffer assembly (8) comprises a spring (801) and a bottom plate (802), wherein the spring (801) is fixedly connected to the bottom side of the press-fit hole (7), and the bottom plate (802) is fixedly connected to the top of the spring (801).

4. The expansion screw pressing device according to claim 1, characterized in that: The four corners of the bottom of the operating table (1) are bolted with supporting legs (9), and the bottoms of the supporting legs (9) are welded with reinforcing plates (603).

5. The expansion screw pressing device according to claim 1, characterized in that: Auxiliary grooves (10) are provided on both sides of the bracket (3), and auxiliary blocks (11) are bolted on both sides of the lifting plate (502), and the auxiliary blocks (11) are slidably connected inside the auxiliary grooves (10).

6. The expansion screw pressing device according to claim 2, characterized in that: A reinforcing pad (12) is bonded to the inner side of the top of the pressing sleeve (602), and the reinforcing pad (12) is made of rubber material.

7. An expansion screw pressing device according to claim 6, characterized in that: The surface of the reinforcement pad (12) is provided with anti-skid patterns, and the anti-skid patterns are in a grid shape.

8. The expansion screw pressing device according to claim 1, characterized in that: A protective ring (13) is bonded to the inner wall of the press-fit hole (7), and the protective ring (13) is made of hard rubber material.

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