Front bottom plate clamping mechanism of electrically-controlled tubular column mechanism

Abstract

The utility model discloses a front bottom plate clamping mechanism of an electrically-controlled tubular column mechanism, which comprises a mounting plate, a positioning insert and a pressing plate, through grooves are arranged on the mounting plate at intervals front and back, a front bottom plate is arranged in the through grooves, two ends of the front bottom plate are respectively provided with a bent plate extending to the upper part of the end part of each through groove, and the two ends of the front bottom plate are respectively provided with a positioning insert. An embedding groove located below the bent plate is formed in the mounting plate, the positioning insert is arranged in the embedding groove, the pressing plate is arranged on the mounting plate in a lifting mode and located on one side of the through groove, cantilevers extending to the position above the positioning insert are arranged at the two ends of the pressing plate, and baffles corresponding to the ends of the bent plate are arranged at the bottoms of the cantilevers. A positioning pin extending downwards is arranged in the cantilever, and a positioning hole corresponding to the positioning pin is formed in the bent plate. By means of the mode, the front bottom plate clamping mechanism of the electrically-controlled tubular column mechanism can complete machining of a plurality of working procedures through one-time clamping, and clamping reliability and production efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of the production of an electric adjustment pipe column mechanism, in particular to a front bottom plate clamping mechanism of an electric adjustment pipe column mechanism. Background Art

[0002] In the production process of the front bottom plate of the electric adjustment pipe column mechanism, it is necessary to perform machining on both the front and back sides of the cast aluminum blank, and the two ends of the front bottom plate are provided with L-shaped bent plates, and it is also necessary to machine the end faces of the bent plates. Therefore, it is often necessary to perform multiple clamping and machining in different processes.

[0003] Multiple clamping of the front bottom plate requires multiple positioning, with low efficiency and easy accumulation of machining errors. In order to improve the production efficiency of the front bottom plate, it is necessary to reduce the number of clamping times as much as possible. However, the existing tooling cannot adapt to the structure of the front bottom plate. Especially when machining the end face of the bent plate, the force is relatively large, and the requirement for clamping reliability is high, so improvement is needed. Summary of the Utility Model

[0004] The main technical problem to be solved by the utility model is to provide a front bottom plate clamping mechanism of an electric adjustment pipe column mechanism, which can clamp the front bottom plate, facilitate the machining of the front and back sides and the end faces of the bent plates, and improve the clamping reliability.

[0005] To solve the above technical problem, a technical solution adopted by the utility model is: to provide a front bottom plate clamping mechanism of an electric adjustment pipe column mechanism, including: a mounting plate, a positioning insert block, and a pressing plate. Through slots are arranged at intervals in the front and back on the mounting plate. The front bottom plate is arranged in the through slots. Bent plates extending to the upper part of the ends of the through slots are respectively arranged at both ends of the front bottom plate. Embedding slots located below the bent plates are arranged on the mounting plate. The positioning insert block is arranged in the embedding slots. The pressing plate is arranged on the mounting plate in a liftable manner and is located on one side of the through slots. Cantilevers extending to the upper part of the positioning insert block are arranged at both ends of the pressing plate. Baffles corresponding to the end parts of the bent plates are arranged at the bottoms of the cantilevers. Positioning pins extending downward are arranged in the cantilevers. Positioning holes corresponding to the positioning pins are arranged on the bent plates.

[0006] In a preferred embodiment of the utility model, a positioning boss is arranged at the top of the positioning insert block, and a positioning groove corresponding to the positioning boss is concavely arranged on the bottom surface of the bent plate.

[0007] In a preferred embodiment of the utility model, the bent plate adopts an L-shaped bending structure.

[0008] In a preferred embodiment of the utility model, the pressing plate and the cantilever form an integrated C-shaped structure.

[0009] In a preferred embodiment of the utility model, a C-shaped groove corresponding to the end part of the bent plate is arranged in the baffle.

[0010] In a preferred embodiment of the present utility model, through holes extending horizontally to the through groove are provided on the outer side of the positioning insert block, and avoidance grooves corresponding to the through holes are provided on the mounting plate.

[0011] In a preferred embodiment of the present utility model, limit blocks in contact with the side surface of the front bottom plate are provided in the middle of both side walls of the through groove.

[0012] In a preferred embodiment of the present utility model, a chamfer is provided at the top of the limit block.

[0013] In a preferred embodiment of the present utility model, a pressing block is provided on the inner side of at least one cantilever. An insertion block extending downward is provided at the bottom of the pressing block, and a groove corresponding to the insertion block is provided on the bent plate.

[0014] In a preferred embodiment of the present utility model, an oil cylinder for driving the pressing plate to lift is provided on the back surface of the mounting plate.

[0015] The beneficial effects of the present utility model are as follows: A front bottom plate clamping mechanism of an electrically adjustable pipe column mechanism pointed out by the present utility model uses the through groove for left and right positioning of the front bottom plate, which is convenient for processing the front and back sides. First, the bent plate is initially positioned by the positioning insert block, and then when the bent plate is pressed and fixed by the cantilever, precise positioning is carried out through the positioning pin. The clamping operation is convenient, and the bent plate can also be limited by the baffle to avoid shaking when the bent plate is stressed, improving the clamping reliability, which is beneficial to the processing of the end face of the bent plate. Multiple processes can be completed in one clamping, which is beneficial to reducing the processing error and improving the production efficiency. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings, where:

[0017] Figure 1 is a schematic structural diagram of a preferred embodiment of a front bottom plate clamping mechanism of an electrically adjustable pipe column mechanism of the present utility model;

[0018] Figure 2 is a schematic structural diagram after the front bottom plate is clamped by a front bottom plate clamping mechanism of an electrically adjustable pipe column mechanism of the present utility model;

[0019] Figure 3 is Figure 2 the rear view of;

[0020] Figure 4 is Figure 3 the structural diagram after removing the mounting plate in; Detailed implementation mode

[0021] The technical solutions in the embodiments of the present utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1 to 4 , the embodiments of the present utility model include:

[0023] Such as Figure 1 And Figure 2 As shown in the front bottom plate clamping mechanism of the electro-regulating pipe column mechanism, it includes: a mounting plate 1, a positioning insert 6 and a pressing plate 2. The mounting plate 1 can be mounted on the turntable of the machining center and can be flipped 360 degrees during the machining process for switching.

[0024] Through grooves 9 are arranged at intervals in the front and back on the mounting plate 1, and the front bottom plate 14 is arranged in the through grooves 9, which is convenient for machining the front and back surfaces of the front bottom plate 14. In this embodiment, limit blocks 13 in contact with the side surface of the front bottom plate 14 are arranged in the middle of the two side walls of the through groove 9 to center and limit the two sides of the front bottom plate 14 to avoid left and right displacement during the machining process. A chamfer 16 is arranged at the top of the limit block 13, which is beneficial to the placement of the front bottom plate 14 during clamping. As Figure 2 Shown, the design of using 3 through grooves 9 can clamp 3 front bottom plates 14 at a time, improving the machining efficiency.

[0025] Bending plates 15 extending above the ends of the through grooves 9 are respectively arranged at both ends of the front bottom plate 14. In this embodiment, the bending plates 15 adopt an L-shaped bending structure, and the front bottom plate 14 and the bending plates 15 are integrally formed by casting aluminum process for the blank, and then machined.

[0026] An embedding groove 11 located below the bending plate 15 is arranged on the mounting plate 1, and the positioning insert 6 is arranged in the embedding groove 11, which is convenient for replacement and can adapt to different bending plates 15. In this embodiment, a positioning boss 4 is arranged at the top of the positioning insert 6, and a positioning groove corresponding to the positioning boss 4 is concavely arranged on the bottom surface of the bending plate 15 for initial positioning when the bending plate 15 is placed.

[0027] The pressing plate 2 is arranged on the mounting plate 1 in a liftable manner and is located on one side of the through groove 9. Cantilevers 3 extending above the positioning insert 6 are arranged at both ends of the pressing plate 2. In this embodiment, the pressing plate 2 and the cantilevers 3 form an integrated C-shaped structure with high structural strength. An oil cylinder 7 for driving the pressing plate 2 to lift is arranged on the back surface of the mounting plate 1, and its telescopic control can be carried out through a solenoid valve, driving the pressing plate 2 and the cantilevers 3 to perform synchronous lifting actions.

[0028] A baffle 5 corresponding to the end of the bent plate 15 is provided at the bottom of the cantilever 3. In this embodiment, as Figure 3 and Figure 4 shown, a C-shaped groove 19 corresponding to the end of the bent plate 15 is provided in the baffle 5. The end and both sides of the bent plate 15 are limited through the C-shaped groove 19, avoiding the shaking of the bent plate 15 when stressed, improving the clamping reliability, and being beneficial to the machining of the end face of the bent plate 15.

[0029] A positioning pin 18 extending downward is provided in the cantilever 3, and a positioning hole corresponding to the positioning pin 18 is provided on the bent plate 15. When the cantilever 3 descends to clamp the bent plate 15, the positioning pin 18 is used to achieve precise positioning of the bent plate 15. In addition, a pressing block 8 is provided inside one of the cantilevers 3, and an inserting block 17 extending downward is provided at the bottom of the pressing block 8. A groove corresponding to the inserting block 17 is provided on the bent plate 15. As Figure 2 shown, the groove corresponding to the inserting block 17 is located at the bending part of the bent plate 15, and the bending part of the bent plate 15 is supported through the inserting block 17, improving the stability during the machining of the back surface.

[0030] As Figure 1 shown, a through hole 10 extending horizontally to the through groove 9 is provided outside the positioning insert 6, and an avoidance groove 12 corresponding to the through hole 10 is provided on the mounting plate 1, facilitating the tool to enter the through hole 10 to achieve the machining of the end face of the bent plate 15. As Figure 2 shown, a corresponding hole 20 or groove is formed on the bent plate 15. By flipping the mounting plate 1, the machining position is switched.

[0031] In summary, a front bottom plate clamping mechanism of an electrically adjustable pipe column mechanism pointed out by the present utility model can, through one clamping, meet the machining of the front and back surfaces of the front bottom plate and the end face of the bent plate, greatly improving the production efficiency, and having high clamping reliability, avoiding the problems of deformation and loosening of the front bottom plate during the machining process.

[0032] The above is only an embodiment of the present utility model, and thus does not limit the patent scope of the present utility model. All equivalent structural or equivalent process transformations made by using the content of the specification of the present utility model, or directly or indirectly applied in other related technical fields, are equally included in the patent protection scope of the present utility model.

Claims

1. A front bottom plate clamping mechanism of an electric adjustment column mechanism, used for clamping the front bottom plate, characterized in that: include: A mounting plate, a positioning insert and a pressure plate, wherein the mounting plate is provided with through slots at intervals in the front and rear directions, the front bottom plate is arranged in the through slots, and bent plates extending to the top of the ends of the through slots are respectively arranged at both ends of the front bottom plate, an embedding slot located below the bent plate is arranged on the mounting plate, the positioning insert is arranged in the embedding slot, the pressure plate is liftably arranged on the mounting plate and located on one side of the through slot, cantilevers extending to the top of the positioning insert are arranged at both ends of the pressure plate, a baffle corresponding to the end of the bent plate is arranged at the bottom of the cantilever, a positioning pin extending downward is arranged in the cantilever, and a positioning hole corresponding to the positioning pin is arranged on the bent plate.

2. The front bottom plate clamping mechanism of the electrically adjustable pipe column mechanism according to claim 1, characterized in that: A positioning boss is arranged on the top of the positioning insert, and a positioning groove corresponding to the positioning boss is arranged in the bottom surface of the bent plate.

3. The front bottom plate clamping mechanism of the electrically adjustable pipe column mechanism according to claim 1, characterized in that: The bent plate adopts an L-shaped bending structure.

4. The front bottom plate clamping mechanism of the electrically adjustable pipe column mechanism according to claim 1, characterized in that: The pressing plate and the cantilever form an integrated C-shaped structure.

5. The front bottom plate clamping mechanism of the electrically adjustable pipe column mechanism according to claim 1, characterized in that: The baffle is provided with a C-shaped groove corresponding to the end of the bent plate.

6. The front bottom plate clamping mechanism of the electrically adjustable pipe column mechanism according to claim 1, characterized in that: A through hole horizontally extending to the through slot is arranged on the outer side of the positioning insert, and an avoidance groove corresponding to the through hole is arranged on the mounting plate.

7. The front bottom plate clamping mechanism of the electrically adjustable pipe column mechanism according to claim 1, characterized in that: The middle parts of the two side walls of the through slot are provided with limiting blocks which are in contact with the side surfaces of the front bottom plate.

8. The front bottom plate clamping mechanism of the electrically adjustable pipe column mechanism according to claim 7, characterized in that: The top of the limit block is provided with a chamfer.

9. The front bottom plate clamping mechanism of the electrically adjustable pipe column mechanism according to claim 1, characterized in that: A pressing block is arranged at the inner side of at least one cantilever, an inserting block extending downward is arranged at the bottom of the pressing block, and a groove corresponding to the inserting block is arranged on the bent plate.

10. The front bottom plate clamping mechanism of the electrically adjustable pipe column mechanism according to claim 1, characterized in that: An oil cylinder for driving the pressing plate to rise and fall is arranged on the back of the mounting plate.

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