CN215547822U

CN215547822U - Manual clamping device

Info

Publication number: CN215547822U
Application number: CN202120100315.9U
Authority: CN
Inventors: 胡俊华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2022-01-18
Anticipated expiration: 2031-01-14

Abstract

A manual clamping device, comprising: a base, wherein, two sides of the base are fixed with a pillar through bolts, the top of the pillar is provided with a rotating beam, the rotating beam is connected with a pressure lever through a connecting bolt, a nut is fixedly arranged at the rear end of the pressure lever, a screw rod is arranged in the nut, the front end of the pressure lever is connected with the upper V-shaped block through an adjusting screw, the front end of the base is fixedly provided with a lower V-shaped block, nylon cushion blocks are arranged in the upper V-shaped block and the lower V-shaped block, a positioning ring is fixedly arranged at the rear end of the base, the structure is simple, the materials are used locally, the assembly, the disassembly, the operation and the carrying are convenient, the requirement of mechanical processing factories, construction sites or field operation can be met, the lever rotation is adopted for clamping, the upper V-shaped block and the lower V-shaped block are oppositely arranged, therefore, four sides are stressed during clamping, the clamping workpiece is protected from being damaged easily, and the nylon cushion blocks are arranged to well protect the clamped workpiece from being damaged by clamping.

Description

Manual clamping device

Technical Field

The utility model belongs to the technical field of clamping devices, and particularly relates to a manual clamping device.

Background

No matter in machining factory, building site or field work, sometimes all need a clamping device to carry out temporary processing or polishing to on-site equipment parts, frock, water pipe, steel pipe, square pipe etc. at present, the majority all adopts the bench vice, and the bench vice quality is heavy, and is not portable, especially to circular hollow tube, both sides atress during the clamping produces deformation very easily, and easy clamp wound, brings a lot of inconveniences for the follow-up installation of work piece.

In addition, there are some clamping devices on the market: for example, the workpiece clamping seat and the lever clamping device thereof disclosed in chinese patent publication No. CN209869100U can only clamp and process plane structural products with local rules, but are not beneficial to clamping structural workpieces such as round bars and round tubes, so that polishing or processing cannot be realized.

The following steps are repeated: the automatic tracking and centering clamping device applied to the numerical control grinding machine with the Chinese patent publication No. CN101116954 has a complex structure and high cost, and is not suitable for temporary operation in the field and construction sites.

Further, when the diameter and height of the workpiece 12 are relatively high, or when the diameter and height of the workpiece 12 are relatively low, the workpiece cannot be clamped, and therefore, it is necessary to lengthen or shorten the side columns.

For this reason, the applicant believes that there is a real need to develop a manual clamping device.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a manual clamping device to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

a manual clamping device, comprising: a base 1, wherein two sides of the base 1 are fixed with pillars 2 through bolts, the tops of the pillars 2 are provided with rotating beams 7, the rotating beam 7 is connected with a pressure lever 11 through a connecting bolt 8, a nut 5 is fixedly arranged at the rear end of the pressure lever 11, a screw rod 6 is arranged in the nut 5, the front end of the pressure lever 11 is connected with the upper V-shaped block 4 through an adjusting screw 9, the front end of the base 1 is provided with a lower V-shaped block 3, the lower V-shaped block 3 is movably connected with the base 1, nylon cushion blocks 13 are arranged in the upper V-shaped block 4 and the lower V-shaped block 3, a positioning ring 10 is fixedly arranged at the rear end of the base 1, the supporting column 2 is of a telescopic structure, the supporting column 2 comprises an upper half part 2-1 and a lower half part 2-2, the upper half portion 2-1 and the lower half portion 2-2 are fixedly connected by means of connecting bolts 2-3 provided in the first connecting holes 2-4 and the second connecting holes 2-5.

Preferably, the rotating beam 7 is rotatably connected with the support column 2.

Preferably, the central line of the screw rod 6 and the central lines of the connecting bolt 8 and the adjusting screw 9 are parallel to each other.

Preferably, the central line of the positioning ring 10 is 5-10mm behind the central line of the screw rod 6.

Preferably, the base 1 is manufactured into a concave structure of an inner hole, the bottoms of four vertexes of the base 1 are provided with mounting machine legs 1-1, and bolt holes 1-3 are uniformly arranged on two sides of the base 1.

Preferably, the two ends of the rotating beam 7 are thin and the middle is thick.

Preferably, the nylon cushion block 13 has a structure matched with the inner sides of the upper V-shaped block 4 and the lower V-shaped block 3.

Compared with the prior art, the utility model provides a manual clamping device, which has the following beneficial effects:

the clamping device has the advantages that the structure is simple, local materials can be obtained, the assembling, the disassembling, the operation and the carrying are convenient, the requirement of a mechanical processing factory, a building site or field operation can be met, the clamping device adopts a lever rotating working mode to clamp, the operation is convenient and fast, round pipes and square pipes can be clamped, and meanwhile, the upper V-shaped block 4 and the lower V-shaped block 3 are oppositely arranged, so that the four sides are stressed during clamping, and a clamped workpiece is protected from being damaged easily.

The arrangement of the nylon cushion block 13 well protects the clamped workpiece from being damaged by clamping.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

fig. 1 is a front schematic view of a manual clamping device according to the present invention.

Fig. 2 is a left side view of a manual clamping device according to the present invention.

Fig. 3 is a right side view of a manual clamping device according to the present invention.

Fig. 4 is a top view of a manual clamping device according to the present invention.

Fig. 5 is a sectional view of a manual clamping device according to the present invention.

Fig. 6 is a perspective view of a manual clamping device according to the present invention.

Fig. 7 is a schematic perspective view of the rotating beam 7 in the manual clamping device according to the present invention.

Fig. 8 is a schematic perspective view of the nylon cushion block 13 in the manual clamping device according to the present invention.

Fig. 9-11 are schematic views illustrating the working principle of a manual clamping device according to the present invention.

Fig. 12 is a schematic front structural view of the supporting column 2 in the manual clamping device according to the present invention.

Fig. 13 is a schematic side view of the supporting column 2 in the manual clamping device according to the present invention.

In the figure: the device comprises a base 1, a support column 2, a lower V-shaped block 3, an upper V-shaped block 4, a nut 5, a screw rod 6, a rotating beam 7, a connecting bolt 8, an adjusting screw 9, a positioning ring 10, a pressure rod 11, a workpiece 12, a nylon cushion block 13, an upper half portion 2-1, a lower half portion 2-2, a first connecting hole 2-4, a second connecting hole 2-5 and a connecting bolt 2-3.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-13, the present invention provides a technical solution:

In the preferred embodiment of the utility model, the turning beam 7 is rotatably connected to the column 2.

In the preferred embodiment of the utility model, the central line of the screw rod 6 is parallel to the central lines of the connecting bolt 8 and the adjusting screw 9.

In the preferred embodiment of the utility model, the central line of the positioning ring 10 is 5-10mm behind the central line of the screw rod 6.

In the preferred embodiment of the utility model, the base 1 is made into a concave structure of an inner hole, the bottoms of four vertexes of the base 1 are provided with mounting machine legs 1-1, and bolt holes 1-3 are uniformly arranged on two sides of the base 1.

In the preferred embodiment of the present invention, the rotating beam 7 is thin at both ends and thick at the middle.

In the preferred embodiment of the present invention, the nylon spacer 13 has a structure matched with the inner sides of the upper V-shaped block 4 and the lower V-shaped block 3.

The working principle and the using process of the utility model are as follows:

referring to fig. 6, fig. 12 and fig. 13: when the workpiece 12 needs to be protected, the nylon cushion block 13 is firstly placed on the inner side of the lower V-shaped block 3, then the workpiece 12 is placed on the nylon cushion block 13, then the nylon cushion block 13 is covered above the workpiece 12, as shown in the attached drawing 11, the screw rod 6 is screwed down by hand, so that the bottom of the screw rod 6 is located on the upper plane of the base 1 in the positioning ring 10, the screw rod 6 is continuously screwed, at the moment, the press rod 11 rotates anticlockwise around the rotating beam 7, namely, the left end of the press rod 11 drives the upper V-shaped block 4 to move downwards, the right end of the press rod 11 tilts upwards, until the upper V-shaped block 4 and the lower V-shaped block 3 clamp the workpiece 12 together, and the clamp removing process is opposite to the clamp clamping process.

When the diameter or height of the workpiece 12 is relatively high, and when the diameter or height of the workpiece 12 is relatively low, the relative positions of the upper half portion 2-1 and the lower half portion 2-2 can be adjusted to meet the purpose of clamping the workpiece 12.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A manual clamping device, comprising: the base (1), the both sides of base (1) are fixed with pillar (2) through the bolt, the top of pillar (2) is equipped with live-beams (7), live-beams (7) link to each other with depression bar (11) through connecting bolt (8), depression bar (11) rear end is fixed and is equipped with nut (5), be equipped with lead screw (6) in the nut (5), depression bar (11) front end passes through adjusting screw (9) and links to each other with last V type piece (4), the base (1) front end is equipped with down V type piece (3), V type piece (3) and base (1) swing joint down, be equipped with nylon cushion (13) in last V type piece (4) and the V type piece (3) down, base (1) rear end is fixed and is equipped with position circle (10), pillar (2) are telescopic structure, pillar (2) contain upper half (2-1) and latter half (2-2), the upper half part (2-1) and the lower half part (2-2) are fixedly connected through connecting bolts (2-3) arranged in the first connecting holes (2-4) and the second connecting holes (2-5).

2. A hand operated clamping device according to claim 1 characterised in that the swivel connection between the swivel beam (7) and the column (2).

3. A hand operated clamping device as claimed in claim 1 characterised in that the centre line of the lead screw (6) and the centre lines of the connecting bolt (8) and the adjusting screw (9) are parallel to each other.

4. A hand operated clamping device as claimed in claim 1 characterised in that the centre line of the cage (10) is 5-10mm further back than the centre line of the screw (6).

5. The manual clamping device is characterized in that the base (1) is made into a concave structure of an inner hole, the bottoms of four vertexes of the base (1) are provided with mounting machine legs (1-1), and bolt holes (1-3) are uniformly formed in two sides of the base (1).

6. A hand operated clamping device as claimed in claim 1 characterised in that said turning beam (7) is thin at both ends and thick in the middle.

7. A hand operated clamping device according to claim 1 characterised in that the nylon spacer block (13) is configured to fit inside the upper (4) and lower (3) V-blocks.