CN211102811U

CN211102811U - Clamp apparatus

Info

Publication number: CN211102811U
Application number: CN201921850413.3U
Authority: CN
Inventors: 刘锦芳
Original assignee: Nanjing Institute of Mechatronic Technology
Current assignee: Nanjing Institute of Mechatronic Technology
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-07-28
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses an anchor clamps, include: a base; the fixing part is arranged on the side edge of the base; the clamping assembly is arranged on the upper side of the base and used for clamping a workpiece; the clamping assembly comprises a first clamping piece and a second clamping piece; the first clamping piece is fixed on the base, and the second clamping piece can move relative to the first clamping piece; the second clamping piece comprises a clamping end which can be matched with the first clamping piece; the clamping assembly further comprises a supporting seat for supporting the second clamping piece, an elastic piece is arranged between the clamping end and the supporting seat, one end of the elastic piece abuts against the supporting seat, and the other end of the elastic piece abuts against the clamping end. The clamp is simple in structure and good in clamping effect.

Description

Clamp apparatus

Technical Field

The utility model relates to a technical field, concretely relates to anchor clamps are equipped to the centre gripping.

Background

The clamp is a tool commonly used in the processing, production and even sale of products. In the fixing of workpieces for processing, in particular clamping elements for tools of the cutting type, it is necessary for the clamping device to have an increased clamping force and at the same time to ensure the reliability and durability of the clamping. In some existing clamps for clamping workpieces, the clamps are generally clamped through a bolt and nut structure, and due to the limitation of the structure of the bolt and nut structure, when the vibration is large or the eccentric force is large, the workpieces are prone to loosening, so that certain errors and risks are brought. How to provide a clamp with simple structure and good clamping effect is a technical problem to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

For solving the deficiencies of the prior art, an object of the utility model is to provide an effectual anchor clamps of simple structure and centre gripping.

In order to achieve the above object, the utility model adopts the following technical scheme:

a clamp, comprising: a base; the fixing part is arranged on the side edge of the base; the clamping assembly is arranged on the upper side of the base and used for clamping a workpiece; the clamping assembly comprises a first clamping piece and a second clamping piece; the first clamping piece is fixed on the base, and the second clamping piece can move relative to the first clamping piece; the second clamping piece comprises a clamping end which can be matched with the first clamping piece; the clamping assembly further comprises a supporting seat for supporting the second clamping piece, an elastic piece is arranged between the clamping end and the supporting seat, one end of the elastic piece abuts against the supporting seat, and the other end of the elastic piece abuts against the clamping end.

Further, the first clamping piece is perpendicular to the base.

Further, the second clamping piece also comprises an operation end which can be operated by a user.

Further, the second clamping member includes a connecting member for connecting the operating end and the clamping end.

Further, the supporting seat comprises a first through hole for the connecting piece to pass through.

The insert penetrates through the first through hole and comprises a second through hole for the connecting piece to pass through; the connecting piece has the external screw thread structure, and the mold insert has with external screw thread structure complex inner thread structure.

Further, the insert includes a first end having a protrusion with an inner diameter larger than the inner diameter of the first through-hole, and a second end having an inner threaded structure screwed with the outer threaded structure of the connecting member.

Further, the clamping end and the first clamping piece are arranged in parallel.

Further, the clamping end and the first clamping piece have a preset angle.

The utility model discloses an useful part lies in: through set up an elastic component between exposed core and first holder to play the damping effect, and can effectively increase the clamping-force of anchor clamps.

Drawings

FIG. 1 is a perspective view of a clamp;

fig. 2 is a plan view of the clip of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the present invention.

Fig. 1 shows a clamp 100 comprising a base 11, a clamping assembly 12 and a fixing portion. The clamping component 12 and the fixing part are both arranged on the base 11 and fixedly connected with the base 11. Wherein the securing portion is used to secure the clamp 100 to a cutting machine or other associated machine. In some alternative embodiments, the clamp 100 is preferably used to clamp a cutting machine. Here, a cutting machine is taken as an example, and generally includes a table on which a workpiece is placed and a cutting section for directly cutting the workpiece. The cutting portion is required to fix the workpiece during cutting of the workpiece, and the jig 100 is generally used here. The fixed portion of the clamp 100 is typically secured to the platform by a fixing bolt. While in some cutting tools having a smaller application area, the clamp 100 is typically welded to the platform, and is not limited thereto, so long as the clamp 100 is secured to the platform.

The fixing portion of the fixture 100 is generally disposed at the side of the base 11 to avoid affecting the horizontal position of the base 11 relative to the platform. The clamping assembly 12 is disposed on the base 11 and is fixedly connected or detachably connected with the base 11. Specifically, the clamping assembly 12 includes a first clamping member 121 and a second clamping member 122, wherein the first clamping member 121 is fixedly connected to the base 11 and is immovable, and the second clamping member 122 is freely movable relative to the first clamping member 121, so as to clamp workpieces with different sizes. Specifically, the first clamping member 121 is a flat plate structure, and is vertically disposed on the base 11. In some alternative embodiments, the first clamping member 121 can also move relative to the base 11, so as to increase the clamping range of the clamp 100, and enable the clamp to clamp not only smaller workpieces but also larger workpieces.

The clamp assembly 12 further includes a support base 123 for supporting the second clamp 122. The supporting base 123 is formed with a first through hole for the second clamping member 122 to pass through. The second clamping member 122 includes a clamping end 122a and an operating portion 122b, and the clamping end 122a and the operating portion are connected by a connecting member 122 c. The clamping end 122a can be parallel to the first clamping member 121 or form a predetermined angle with the first clamping member 121 when clamping the workpiece, which is not limited herein. The operation portion 122b is operable by a user so that the second holding member 122 can be moved away from the first holding member 121 or moved close to the first holding member 121. The connection member 122c may be a connection shaft having a certain length at one end. Which passes through the passage, and has the operating portion 122b disposed at an end remote from the first clamp 121. Since the support base 123 is generally fabricated, it is pre-drilled with a first through hole before being used to connect the second clamping member 122, and the first through hole is generally set larger for installation requirements to meet the requirements of the connecting member 122c with different sizes.

When the second clamping member 122 is close to the first clamping member 121 and clamps the workpiece, a certain clamping force is provided therebetween, and at least a portion of the clamping force acts on the first through hole. The first through hole may have a certain wear under the action of the clamping force for a long time, so that the clamping force between the first clamping member 121 and the second clamping member 122 cannot be supported, thereby causing the failure of the clamp 100. Therefore, in this embodiment, one insert 124 is further provided in the first through hole. The insert 124 itself also has a second through hole through which the connecting member 122c passes, the second through hole being generally provided with an internal thread structure, and the connecting member 122c being provided with an external thread structure, thereby enabling a large clamping force to be generated between the first clamping member 121 and the second clamping member 122. In fact, insert 124 includes a first end and a second end. Wherein the first end has a protrusion 124a larger than an inner diameter of the first through-hole, the protrusion 124a preventing the insert 124 from passing through the first through-hole when the insert 124 is inserted from the end of the first through-hole. The second end of the insert 124 has an internal thread formation that cooperates with and screws onto the external thread formation of the connector to secure the second clamping member 122. Which can be fixed to the first through hole by a nut. In order to increase the reliability of the jig 100, an elastic member 125 is further provided between the holding end 122a of the second holding member 122 and the operating portion 122 b. When the second clamping member 122 is mounted on the supporting base 123, one end of the elastic member 125 abuts against the clamping end 122a, and the other end abuts against the supporting base 123. At this time, when the second clamping member 122 clamps the workpiece, the elastic member 125 first has a pre-tightening force for clamping the workpiece, so as to perform an initial positioning function on the workpiece. When the user twists the second clamping member 122 through the operating portion 122b, the second clamping member 122 gradually approaches the first clamping member 121, thereby clamping the workpiece. When the workpiece is clamped, and during the process of being cut, the elastic element 125 can absorb the vibration or eccentric force from the cutting element and can at least partially increase a certain clamping force, so that the clamping effect of the clamp 100 is better, and the service life of the clamp 100 is longer.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims

1. A clamp, comprising:

a base;

the fixing part is arranged on the side edge of the base;

the clamping assembly is arranged on the upper side of the base and used for clamping a workpiece;

it is characterized in that the preparation method is characterized in that,

the clamping assembly comprises a first clamping piece and a second clamping piece; the first clamping piece is fixed on the base, and the second clamping piece can move relative to the first clamping piece; the second clamping piece comprises a clamping end which can be matched with the first clamping piece; the clamping assembly further comprises a supporting seat for supporting the second clamping piece, an elastic piece is arranged between the clamping end and the supporting seat, one end of the elastic piece abuts against the supporting seat, and the other end of the elastic piece abuts against the clamping end.

2. The clamp of claim 1,

the first clamping piece is perpendicular to the base.

3. The clamp of claim 1,

the second clamping piece also comprises an operation end for operation of a user.

4. The clamp of claim 3,

the second clamping member includes a connecting member for connecting the operating end and the clamping end.

5. The clamp of claim 4,

the supporting seat comprises a first through hole for the connecting piece to pass through.

6. The clamp of claim 5,

the insert penetrates through the first through hole and comprises a second through hole for the connecting piece to pass through; the connecting piece is provided with an external thread structure, and the insert is provided with an internal thread structure matched with the external thread structure.

7. The clamp of claim 6,

the insert comprises a first end and a second end, the first end is provided with a bulge larger than the inner diameter of the first through hole, and the second end is provided with an internal thread structure which is matched and screwed with the external thread structure of the connecting piece.

8. The clamp of claim 1,

the clamping end and the first clamping piece are arranged in parallel.

9. The clamp of claim 1,

the clamping end and the first clamping piece have a preset angle.