Linkage clamping mechanism

Abstract

The utility model discloses a linkage clamping mechanism, and belongs to the technical field of clamping devices. A linkage clamping mechanism comprises a base, a rotating shaft is rotationally connected to the base, clamping arm pieces are arranged on the two sides of the rotating shaft, each clamping arm piece comprises an upper clamping arm and a lower clamping arm which are symmetrically arranged, a clamping air cylinder is connected to the base, a driving plate is connected to the clamping air cylinder in a sliding mode, and the upper clamping arm and the lower clamping arm are connected to the driving plate in a sliding mode. The driving plate is detachably connected with the telescopic end of the clamping air cylinder, a guide groove is formed in the driving plate, cam bearing followers are arranged at the ends, close to the driving plate, of the upper clamping arm and the lower clamping arm, and the cam bearing followers slide in the guide groove. Through the arrangement of the clamping air cylinder, the clamping device is rapid in action, high in clamping efficiency, simple in transmission loop, convenient to operate, convenient to overhaul, wide in application environment and safer.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping devices, in particular to a linkage clamping mechanism. Background Art

[0002] Linkage clamping means that by manipulating a handle or using a power device, multiple points in the same direction or different directions of a workpiece can be evenly clamped, or several workpieces can be clamped at the same time;

[0003] Existing clamping methods are mostly divided into manual clamping and hydraulic clamping;

[0004] Existing manual clamping mostly uses manpower to position and clamp the workpiece. When operating the manual clamp, the auxiliary time is long, which relatively affects the production efficiency, is laborious, and the labor intensity of the workers is high. On the other hand, the clamping force is uncertain when manually clamping the workpiece, which sometimes affects the processing accuracy;

[0005] Existing hydraulic clamping fixtures use liquid pressure to position and clamp workpieces. They need to match hydraulic stations and use standard hydraulic components. However, in addition to requiring a large investment in manpower and material costs, they also have certain technical barriers, complex structures, and high costs. Utility Model Content

[0006] The purpose of the utility model is to solve the problems raised in the above background technology and to propose a linkage clamping mechanism.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A linkage clamping mechanism comprises a base, the base is rotatably connected to a rotating shaft, clamping arm members are provided on both sides of the rotating shaft, the clamping arm members include an upper clamping arm and a lower clamping arm which are symmetrically arranged, the base is connected to a clamping cylinder, a driving plate is slidably connected to the clamping cylinder, the driving plate is detachably connected to the telescopic end of the clamping cylinder, a guide groove is provided on the driving plate, and a cam bearing follower is provided at one end of the upper clamping arm and the lower clamping arm close to the driving plate, and the cam bearing follower slides in the guide groove.

[0009] Preferably, the lower clamping arm and the upper clamping arm are detachably connected with a clamping head.

[0010] Preferably, fixing rings are provided on both sides of the clamp arm member, and the fixing rings are locked on the rotating shaft by bolts. A spaced self-lubricating clamp pad is provided between the upper clamp arm and the lower clamp arm.

[0011] Preferably, the telescopic end of the clamping cylinder is connected to a flange floating joint, a fixing plate is detachably connected to the flange floating joint via bolts, and the driving plate is fixed to the fixing plate via bolts.

[0012] Preferably, a guide shaft is fixedly connected to the base, a linear bearing is sleeved on the guide shaft, and the linear bearing is detachably connected to the fixing plate by bolts.

[0013] Preferably, a side baffle is detachably connected to the base.

[0014] Preferably, a fixing support is connected to the base via bolts, and the clamping cylinder is fixed to the fixing support via bolts.

[0015] Compared with the prior art, the utility model provides a linkage clamping mechanism, which has the following beneficial effects:

[0016] The parts not involved in the device are the same as the existing technology or can be implemented by the existing technology. The utility model has a clamping cylinder that is quick in action and high in clamping efficiency, and has a simple transmission circuit, convenient operation, easy maintenance, a wide range of applicable environments, and better safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a linkage clamping mechanism proposed by the utility model;

[0018] Figure 2 A linkage clamping mechanism proposed by the utility model Figure 1 The structural diagram of part A in the figure;

[0019] Figure 3 A linkage clamping mechanism proposed by the utility model Figure 1 The structural diagram of part B;

[0020] Figure 4 This is a schematic diagram of the main structure of a linkage clamping mechanism proposed by the utility model;

[0021] Figure 5 The utility model is a three-dimensional structural schematic diagram of a linkage clamping mechanism.

[0022] In the figure: 1, base; 2, lower clamping arm; 3, clamping head; 4, upper clamping arm; 5, interval self-lubricating clamping pad; 6, rotating shaft; 7, side baffle; 8, fixing ring; 9, driving plate; 10, cam bearing follower; 11, clamping cylinder; 12, fixing plate; 13, guide shaft; 14, linear bearing; 15, fixing support; 16, flange floating joint. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Embodiment 1:

[0025] Reference Figure 1-5 A linkage clamping mechanism comprises a base 1, a rotating shaft 6 is rotatably connected to the base 1, clamping arm members are arranged on both sides of the rotating shaft 6, the clamping arm members comprise an upper clamping arm 4 and a lower clamping arm 2 which are symmetrically arranged, a clamping cylinder 11 is connected to the base 1, a driving plate 9 is slidably connected to the clamping cylinder 11, the driving plate 9 is detachably connected to the telescopic end of the clamping cylinder 11, a guide groove is arranged on the driving plate 9, a cam bearing follower 10 is arranged at one end of the upper clamping arm 4 and the lower clamping arm 2 close to the driving plate 9, and the cam bearing follower 10 slides in the guide groove.

[0026] The lower clamping arm 2 and the upper clamping arm 4 are detachably connected with the clamping head 3, which are specifically connected by bolts.

[0027] A fixing ring 8 is provided on both sides of the clamp arm, and the fixing ring 8 is locked on the rotating shaft 6 by bolts. A spacer self-lubricating clamp pad 5 is provided between the upper clamp arm 4 and the lower clamp arm 2, which is convenient for limiting and fixing the clamp arm and adjusting the spacing to be clamped.

[0028] The telescopic end of the clamping cylinder 11 is connected to a flange floating joint 16, and the flange floating joint 16 is detachably connected to a fixing plate 12 by bolts. The drive plate 9 is fixed to the fixing plate 12 by bolts. An embedding groove is provided on the fixing plate 12. The drive plate 9 is first embedded in the embedding groove and then fixed by bolts to ensure the stability of the connection between the drive plate 9 and the fixing plate 12.

[0029] A guide shaft 13 is fixedly connected to the base 1, and a linear bearing 14 is sleeved on the guide shaft 13. The linear bearing 14 is detachably connected to the fixed plate 12 by bolts. The guide shaft 13 and the linear bearing 14 can ensure the sliding stability of the fixed plate 12.

[0030] The base 1 is detachably connected to a side baffle 7 .

[0031] The base 1 is connected with a fixing support 15 by bolts, and the clamping cylinder 11 is fixed to the fixing support 15 by bolts. The setting of the fixing support 15 facilitates the fixing of the clamping cylinder 11.

[0032] When the device is used, the clamping cylinder 11 is started, and the telescopic end of the clamping cylinder 11 drives the fixing plate 12 to slide forward and backward through the flange floating joint 16 during the process of extension and retraction;

[0033] When the fixed plate 12 slides, it will drive the driving plate 9 to slide, and the inclined guide groove on the driving plate 9 will drive the cam bearing follower 10 to rotate around the rotating shaft 6, that is, the lower clamping arm 2 and the upper clamping arm 4 can rotate around the rotating shaft 6, so that the two clamps 3 are close to or away from each other to achieve the clamping function.

[0034] The utility model has fast action and high clamping efficiency through the clamping cylinder 11, and has simple transmission circuit, convenient operation, convenient maintenance, wide application environment and better safety.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A linkage clamping mechanism, characterized in that: The invention comprises a base (1), a rotating shaft (6) is rotatably connected to the base (1), clamping arm members are arranged on both sides of the rotating shaft (6), and the clamping arm members include an upper clamping arm (4) and a lower clamping arm (2) which are symmetrically arranged. The base (1) is connected to a clamping cylinder (11), and a driving plate (9) is slidably connected to the clamping cylinder (11), and the driving plate (9) is detachably connected to the telescopic end of the clamping cylinder (11), and a guide groove is arranged on the driving plate (9), and a cam bearing follower (10) is arranged at one end of the upper clamping arm (4) and the lower clamping arm (2) close to the driving plate (9), and the cam bearing follower (10) slides in the guide groove.

2. The linkage clamping mechanism according to claim 1, characterized in that: The lower clamping arm (2) and the upper clamping arm (4) are detachably connected with a clamping head (3).

3. The linkage clamping mechanism according to claim 2, characterized in that: Fixed rings (8) are provided on both sides of the clamp arm member, and the fixed rings (8) are locked on the rotating shaft (6) by bolts. A spaced self-lubricating clamp pad (5) is provided between the upper clamp arm (4) and the lower clamp arm (2).

4. The linkage clamping mechanism according to claim 1, characterized in that: The telescopic end of the clamping cylinder (11) is connected to a flange floating joint (16), the flange floating joint (16) is detachably connected to a fixing plate (12) via bolts, and the driving plate (9) is fixed to the fixing plate (12) via bolts.

5. The linkage clamping mechanism according to claim 4, characterized in that: A guide shaft (13) is fixedly connected to the base (1), a linear bearing (14) is sleeved on the guide shaft (13), and the linear bearing (14) is detachably connected to the fixing plate (12) via bolts.

6. The linkage clamping mechanism according to claim 1, characterized in that: The base (1) is detachably connected to a side baffle (7).

7. The linkage clamping mechanism according to claim 1, characterized in that: The base (1) is connected to a fixing support (15) via bolts, and the clamping cylinder (11) is fixed to the fixing support (15) via bolts.

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