阅读说明：本技术 槽或孔用夹持高度可调快速自锁式强力夹钳 (Quick self-locking type powerful clamp with adjustable clamping height for groove or hole ) 是由 韩利萍 崔高升 赵娜 周斌 董亮 武瑞刚 刘鹏 李晟 乔迎军 程玉萍 于 2020-07-03 设计创作，主要内容包括：本发明公开了槽或孔用可调自锁式强力夹钳,包括连接座、偏心凸轮轴、基板、回转轴、压杆和调节压紧头,所述基板底部设置有连接座,基板上套设有压杆,压杆与基板之间设置有偏心凸轮轴和回转轴,所述压杆外端设置有调节压紧头；所述压杆一端设置有安装部,安装部内设置有基板,安装部侧壁设置有第一转轴孔和调节长孔,所述转轴孔内穿设有回转轴,调节长孔内穿设有偏心凸轮轴；所述基板上设置有第二转轴孔和偏心轮,所述第二转轴孔内穿设有回转轴,偏心轮的转动中心为偏心设置,所述转动中心设置有偏心凸轮轴；该装置结构简单、轻巧,能够实现快速、大力、自适应、自锁紧功能。(The invention discloses an adjustable self-locking type powerful clamp for a groove or a hole, which comprises a connecting seat, an eccentric camshaft, a base plate, a rotating shaft, a pressing rod and an adjusting pressing head, wherein the connecting seat is arranged at the bottom of the base plate; an installation part is arranged at one end of the pressure lever, a base plate is arranged in the installation part, a first rotating shaft hole and an adjusting long hole are formed in the side wall of the installation part, a rotating shaft penetrates through the rotating shaft hole, and an eccentric cam shaft penetrates through the adjusting long hole; a second rotating shaft hole and an eccentric wheel are arranged on the base plate, a rotating shaft penetrates through the second rotating shaft hole, the rotating center of the eccentric wheel is eccentrically arranged, and an eccentric cam shaft is arranged at the rotating center; the device has simple and light structure, and can realize the functions of rapidness, great force, self-adaption and self-locking.)

1. The adjustable self-locking type powerful clamp for the groove or the hole is characterized by comprising a connecting seat (1), an eccentric cam shaft (2), a base plate (3), a rotating shaft (4), a pressing rod (5) and an adjusting pressing head (6), wherein the connecting seat (1) is arranged at the bottom of the base plate (3), the pressing rod (5) is sleeved on the base plate (3), the eccentric cam shaft (2) and the rotating shaft (4) are arranged between the pressing rod (5) and the base plate (3), and the adjusting pressing head (6) is arranged at the outer end of the pressing rod (5).

2. The adjustable self-locking powerful clamp for the grooves or holes, according to claim 1, is characterized in that one end of the pressure lever (5) is provided with an installation part (9), a base plate (3) is arranged in the installation part (9), the side wall of the installation part is provided with a first rotating shaft hole and an adjusting long hole (7), a rotating shaft (4) is arranged in the rotating shaft hole in a penetrating manner, and an eccentric cam shaft (2) is arranged in the adjusting long hole (7) in a penetrating manner;

The base plate is provided with a second rotating shaft hole and an eccentric wheel (8), a rotating shaft (4) penetrates through the second rotating shaft hole, the rotating center of the eccentric wheel (8) is eccentrically arranged, and the rotating center is provided with an eccentric cam shaft (2).

3. Adjustable self-locking power tong for slots or holes according to claim 2, characterized in that the eccentric cam shaft (2) and the swivel shaft (4) both pass through the base plate (3) and the pressure bar (5).

4. Adjustable self-locking powerful pliers for slots or holes according to claim 2, characterized in that the outer end of the eccentric cam shaft (2) is provided with a connecting portion (10), two opposite sides of the connecting portion are provided with connecting planes (13), and the connecting portion is detachably clamped with a wrench.

5. Adjustable self-locking power tongs for slots or holes according to claim 2, characterised in that the connecting part is also provided with a lever connecting hole (14) through which a lever can be connected.

6. Adjustable self-locking powerful clamp for grooves or holes according to claim 1, characterized in that a limiting plate (15) is further arranged on the eccentric cam shaft (2), and the limiting plate (15) is located outside the pressure lever.

7. Adjustable self-locking powerful pliers for slots or holes according to claim 1 or 2, characterized in that the connecting socket (1) is T-shaped in cross section and comprises a clamping seat (11) and a connecting post (12), the clamping seat (11) being located at the bottom of the connecting post (12).

8. Adjustable self-locking power clamp for slots or holes according to claim 1, characterized in that the center of the swivel shaft (4) is located on the same vertical line as the axial center of the connecting base (1).

9. Adjustable self-locking powerful clamp for slots or holes according to claim 1, characterized in that the adjustable clamping head (6) comprises a clamping rod (16) and a clamping seat (17), the clamping rod is connected with a compression bar (5), and the clamping seat (17) is arranged at the bottom of the clamping rod (16).

10. Adjustable self-locking high-force clamp for slots or holes according to claim 1, characterised in that the base plate (3) is also provided with a hand-held hole (19) at the top.

Technical Field

The invention belongs to the technical field of numerical control assembly processing clamping devices, and particularly relates to an adjustable self-locking type powerful clamp for a groove or a hole.

Background

Numerical control milling is one of important means for industrial production. The numerical control programming and the forming cutter are matched for use, so that the requirement of rapid machining is met, the fact that the pure cutting time of the equipment is less through the analysis of the whole process of the product is found, and the main reason is that the clamping preparation time of the equipment machining product in the early stage is longer, so that the overall machining efficiency of the equipment is not high.

The traditional processing and clamping mode is that a T-shaped groove of equipment is combined with a T-shaped nut, a screw rod, a nut and a pressing plate for application, and a processed workpiece is compressed. Due to different structural forms and sizes of products, a universal screw pressing plate mode needs to be designed and used in a targeted mode. In addition, the product pressing mode is carried out by a screw pressing plate mode, a nut arranged on a middle screw rod of the pressing plate is used for rotating and pressing, and the pressing force of the nut on the workpiece is half or less than the axial pressing force applied to the nut. The combined use of the operation process has longer auxiliary time, and the output of operators is larger. The defects of the traditional screw pressing plate machining and clamping mode are explained.

Other dress card modes are for including modes such as flat tongs, steel ball fast lock, hydraulic tong, but have adaptability problem or operating time longer scheduling problem equally, for example the steel ball fast lock needs and uses jointly with the basic locating plate to special product design, and hydraulic tong needs special pipeline and has the pressure reduction etc. that reveals in the course of working fluid and cause, and its specialty is stronger, and the general type is relatively poor.

Disclosure of Invention

The adjustable self-locking type powerful clamp overcomes the defects of the prior art, is an adjustable self-locking type powerful clamp for a groove or a hole, has a simple and light structure, and can realize the functions of rapidness, great force, self-adaption and self-locking.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the adjustable self-locking type powerful clamp for the groove or the hole comprises a connecting seat, an eccentric cam shaft, a base plate, a rotating shaft, a pressing rod and an adjusting pressing head, wherein the connecting seat is arranged at the bottom of the base plate, the pressing rod is sleeved on the base plate, the eccentric cam shaft and the rotating shaft are arranged between the pressing rod and the base plate, and the adjusting pressing head is arranged at the outer end of the pressing rod.

Furthermore, an installation part is arranged at one end of the pressure lever, a base plate is arranged in the installation part, a first rotating shaft hole and an adjusting long hole are formed in the side wall of the installation part, a rotating shaft penetrates through the rotating shaft hole, and an eccentric cam shaft penetrates through the adjusting long hole;

the base plate is provided with a second rotating shaft hole and an eccentric wheel, a rotating shaft penetrates through the second rotating shaft hole, the rotating center of the eccentric wheel is eccentrically arranged, and an eccentric cam shaft is arranged at the rotating center.

Further, the eccentric cam shaft and the rotating shaft both penetrate through the base plate and the pressing rod.

Further, eccentric camshaft outer end is provided with connecting portion, the joint can be dismantled to connecting portion has the spanner.

Furthermore, two sides of the connecting part are provided with connecting planes.

Furthermore, the connecting part can also be provided with a lever connecting hole in a penetrating manner, and a lever can be connected in the lever connecting hole.

Furthermore, a limiting plate is further arranged on the eccentric cam shaft and is located on the outer side of the pressure rod.

Furthermore, the cross section of the connecting seat is T-shaped and comprises a clamping seat and a connecting column, and the clamping seat is positioned at the bottom of the connecting column.

Furthermore, the center of the rotating shaft and the axial center of the connecting seat are positioned on the same vertical line.

Furthermore, the adjusting compression head comprises a compression rod and a compression seat, the compression rod is connected with a compression rod, and the compression seat is arranged at the bottom of the compression rod.

Furthermore, the compressing rod is an external thread rod, a compressing hole is formed in the end portion of the pressing rod, and the compressing rod is in threaded connection with the compressing hole.

Furthermore, the bottom of the pressing seat is also provided with an elastic clamping layer.

Further, the top of the substrate is also provided with a handheld hole.

Furthermore, a handheld part can be arranged on the top of the substrate, and the handheld hole is located in the handheld part.

Compared with the prior art, the invention has the following beneficial effects:

the clamp structure can quickly approach a processed product, quickly compress the product, and has adjustable compression height, small acting force and pressure generation under the basic condition of utilizing the T-shaped groove or hole of the existing equipment.

1) The problems that the traditional screw pressing plate assembly is dispersed, the combination operation time is long, the utilization rate of a numerical control machine tool is limited, the manual force is large, and the pressing force is small are solved;

2) the problems that the flat tongs need to be placed firstly according to the product structure, the large structural part is difficult to hoist and mount, and the adaptability is poor are solved;

3) the problem of potential machining safety hazards and the problem of applicability caused by the fact that a special pipeline is needed for the hydraulic clamp or the problem of internal leakage in the use process of the hydraulic clamp with oil is solved;

4) the problem of ball lock high-speed grip need with special product processing of product special positioning board, basic connecting plate etc. combination use, be not applicable to the small batch product of frequently trading the product is solved.

Drawings

Fig. 1 is a schematic structural diagram of a device holding state in embodiment 1 of the present invention.

Fig. 2 is a schematic sectional view taken along line a-a of fig. 1.

Fig. 3 is a structural diagram of an apparatus in an open state according to embodiment 1 of the present invention.

FIG. 4 is a schematic top view of a pressing rod structure of the device according to embodiment 1 of the present invention.

Fig. 5 is a schematic view of the working state of the device in embodiment 1 of the present invention.

Fig. 6 is a schematic structural diagram of an apparatus in embodiment 2 of the present invention.

Fig. 7 is a schematic view of a connecting portion structure of an eccentric cam shaft in the device according to embodiment 2 of the present invention.

The clamping device comprises a connecting seat 1, an eccentric camshaft 2, a base plate 3, a rotating shaft 4, a pressure lever 5, an adjusting pressing head 6, an adjusting long hole 7, an eccentric wheel 8, a mounting part 9, a connecting part 10, a clamping seat 11, a connecting column 12, a connecting plane 13, a lever connecting hole 14, a limiting plate 15, a pressing rod 16, a pressing seat 17, an elastic clamping layer 18, a handheld hole 19, a handheld part 20, a pressing hole 21, a clamped workpiece 23 and a pin 24.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.