CN210909680U

CN210909680U - Clamp apparatus

Info

Publication number: CN210909680U
Application number: CN201921792035.8U
Authority: CN
Inventors: 罗一鸣
Original assignee: Shenzhen Zhongzhengtian Technology Co ltd
Current assignee: Shenzhen Zhongzhengtian Technology Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-03
Anticipated expiration: 2029-10-23

Abstract

The utility model provides a clamp, which comprises a base plate, a first clamping arm and a second clamping arm, wherein the first clamping arm and the second clamping arm are respectively hinged on the base plate; the driving rod is telescopically arranged on the substrate; one end of the first connecting rod is connected with the driving rod, and the other end of the first connecting rod is connected with the first clamping arm; the first end of the second connecting rod is connected to the driving rod, and the second end of the second connecting rod is connected to the second clamping arm; first centre gripping arm and second centre gripping arm set up relatively, and the actuating lever can be through drive first connecting rod and the motion of second connecting rod to drive first centre gripping arm and second centre gripping arm and be close to relatively or keep away from. The utility model discloses a have the cost of manufacture low, and can guarantee the advantage of two centre gripping arm motion synchronizations, this anchor clamps are applicable to the connector or to the centre gripping of parts such as hardware especially thimbles.

Description

Clamp apparatus

Technical Field

The utility model relates to a centre gripping frock field especially relates to an anchor clamps.

Background

At present, adopt from the centering anchor clamps to fix a position the processing to the work piece, the cooperation of rack and pinion is mostly adopted among the prior art, rotate through the gear and drive two clamp splices to opposite antiport to press from both sides tightly or loosen the work piece, because the removal of clamp splice relies on rack and pinion's friction drive, it is great to cause wearing and tearing to rack and pinion, and it is higher to change rack and pinion expense, it adopts the cylinder to promote the clamp splice motion to have the part, every clamp splice is connected one and is driven actuating cylinder promptly, drive the clamp splice motion through the drive effect of cylinder, nevertheless there is following defect in this kind of method: 1. the situation that the motion of the clamping blocks is not synchronous can occur when the two cylinders drive; 2. two cylinders are required, and the manufacturing cost is high.

In view of the above, there is a need for a new clamp to solve or at least alleviate the above technical drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an anchor clamps aims at solving current adoption cylinder driven anchor clamps cost of manufacture high and two clamp splice motion asynchronous technical problem.

In order to achieve the above object, the present invention provides a clamp, including:

a substrate;

the first clamping arm and the second clamping arm are hinged to the base plate respectively;

the driving rod is telescopically arranged on the substrate;

one end of the first connecting rod is connected to the driving rod, and the other end of the first connecting rod is connected to the first clamping arm;

a second connecting rod, a first end of which is connected to the driving rod, and a second end of which is connected to the second clamping arm;

the first clamping arm and the second clamping arm are arranged oppositely, and the driving rod can drive the first connecting rod and the second connecting rod to move so as to drive the first clamping arm and the second clamping arm to relatively approach or move away.

Preferably, the fixture further comprises a first connecting block and a second connecting block which are respectively arranged on two opposite sides of the base plate, the first connecting block is hinged to the first clamping arm, and the second connecting block is hinged to the second clamping arm.

Preferably, the first connecting block comprises a first bottom plate and two first side plates arranged at two opposite sides of the first bottom plate, and the first clamping arm is hinged with the two first side plates; the second connecting block comprises a second bottom plate and two second side plates arranged on two opposite sides of the second bottom plate, and the second clamping arms are hinged to the two second side plates.

Preferably, the first clamping arm comprises a first base body and a first clamping block connected with the first base body, the first base body is hinged with the first side plate, and the first base body is further connected with the other end of the first connecting rod; the second centre gripping arm include the second base member and with the second clamp splice that the second base member is connected, the second base member with the second curb plate is articulated, the second base member still with the second end of second connecting rod is connected.

Preferably, the first clamping block and the second clamping block are both V-shaped clamping blocks, and the opening of the first clamping block and the opening of the second clamping block are oppositely arranged.

Preferably, the top end of the V-shaped clamping block is provided with a groove.

Preferably, the driving rod penetrates through the base plate, and the telescopic direction of the driving rod is perpendicular to the movement direction of the first clamping block and the second clamping block.

Preferably, the clamp further includes a connecting arm sleeved on the driving rod, the connecting arm includes a first section and a second section connected to each other, the first section is connected to one end of the first connecting rod, and the second section is connected to a second end of the second connecting rod.

Preferably, the number of the first connecting rods and the number of the second connecting rods are two, the first section of the connecting arm and the first base are both disposed between the two first connecting rods, and the second section of the connecting arm and the second base are both disposed between the two second connecting rods.

Preferably, the drive member is a cylinder.

The above technical scheme of the utility model, the actuating lever is telescopically installed in the base plate, the actuating lever drives head rod and the second connecting rod motion of being connected with the actuating lever under the drive of driving piece, head rod and second connecting rod drive first centre gripping arm and second centre gripping arm motion respectively, because first centre gripping arm and second centre gripping arm all articulate in the base plate, consequently, first centre gripping arm and second centre gripping arm all can rotate around the pin joint, make first centre gripping arm and second centre gripping arm be close to relatively or keep away from, the operating condition who corresponds is promptly presss from both sides tightly or unclamps the work piece. The utility model discloses a only adopt a driving piece (can be the cylinder) can drive two centre gripping arm motions to because of adopting same driving piece drive, can guarantee the synchronism of two centre gripping arm motions, this utility model has the cost of manufacture low, and can guarantee the advantage of two centre gripping arm motion synchronizations, this anchor clamps are applicable to the connector or to the centre gripping of parts such as hardware especially thimbles.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a front view of a clamp according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a clamp according to an embodiment of the present invention;

FIG. 3 is another schematic structural view of a clamp according to an embodiment of the present invention;

FIG. 4 is a schematic view of another embodiment of the clamp of the present invention;

FIG. 5 is an enlarged view of FIG. 4 at A;

fig. 6 is a bottom view of the clamp according to the embodiment of the present invention.

The reference numbers illustrate:

the purpose of the present invention, its functional features and advantages will be further described with reference to the accompanying drawings.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as the upper and lower … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Moreover, the technical solutions of the present invention between the various embodiments can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are combined and contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and the present invention is not within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a clamp, including:

a substrate 1;

a first clamping arm 2 and a second clamping arm 3 which are respectively hinged on the substrate 1;

the driving device comprises a driving rod 6 and a driving piece 11 connected with the driving rod 6, wherein the driving rod 6 is telescopically arranged on the substrate 1;

a first connecting rod 4, one end 41 of the first connecting rod 4 is connected to the driving rod 6, and the other end 42 of the first connecting rod 4 is connected to the first clamping arm 2;

a second connecting rod 5, a first end 51 of the second connecting rod 5 is connected to the driving rod 6, and a second end 52 of the second connecting rod 5 is connected to the second clamping arm 3;

the first clamping arm 2 and the second clamping arm 3 are arranged oppositely, and the driving rod 6 can drive the first connecting rod 4 and the second connecting rod 5 to move, so that the first clamping arm 2 and the second clamping arm 3 are driven to be relatively close to or far away from each other.

In the above embodiment, the driving rod 6 is telescopically installed in the substrate 1, the driving rod 6 drives the first connecting rod 4 and the second connecting rod 5 connected with the driving rod 6 to move under the driving of the driving member 11, the first connecting rod 4 and the second connecting rod 5 respectively drive the first clamping arm 2 and the second clamping arm 3 to move, because the first clamping arm 2 and the second clamping arm 3 are both hinged to the substrate 1, therefore, the first clamping arm 2 and the second clamping arm 3 can both rotate around the hinge point, so that the first clamping arm 2 and the second clamping arm 3 are relatively close to or far away from each other, and the corresponding working state is that a workpiece is clamped or loosened. The workpiece can be a thimble or other hardware. The utility model discloses a only adopt a driving piece (can be the cylinder) can drive two centre gripping arm motions to because of adopting the drive of same driving piece 11, can guarantee the synchronism of first centre gripping arm 2 and the motion of second centre gripping arm 3, this utility model has the cost of manufacture low, and can guarantee the advantage of two centre gripping arm motion synchronizations.

According to the utility model discloses a preferred embodiment, anchor clamps are still including setting up first connecting block 8 and the second connecting block 9 in the relative both sides of base plate 1 respectively, and first connecting block 8 is articulated with first centre gripping arm 2, and second connecting block 9 is articulated with second centre gripping arm 3. To facilitate the connection with the first and second holding arms 2 and 3, first and second connection blocks 8 and 9 may be provided on the substrate 1 to be perpendicular to the surface of the substrate 1.

Referring to fig. 5, as an expanded embodiment of the above embodiment, the first connecting block 8 includes a first bottom plate 81 and two first side plates 82 disposed on two opposite sides of the first bottom plate 81, and the first clamping arm 2 is hinged to the two first side plates 82; the second connecting block 9 comprises a second bottom plate 91 and two second side plates 92 arranged on two opposite sides of the second bottom plate 91, and the second clamping arm 3 is hinged with the two second side plates 92. As shown in fig. 6, two first curb plates 82 and first bottom plate 81 form first recess, the tip of first centre gripping arm 2 stretches into in the first recess and articulates with two first curb plates 82, and in the same way, two second curb plates 92 and second bottom plate 91 form the second recess, the tip of second centre gripping arm 3 stretches into in the second recess and articulates with two second curb plates 92, and the centre gripping arm joint is between two curb plates with this kind of connected mode for the centre gripping arm is difficult to drop at the rotation in-process.

In addition, referring to fig. 2, the first clamping arm 2 includes a first base 22 and a first clamping block 21 connected to the first base 22, the first base 22 is hinged to the first side plate 82, and the first base 22 is further connected to the other end 42 of the first connecting rod 4; the second clamping arm 3 comprises a second base 32 and a second clamping block 31 connected with the second base 32, the second base 32 is hinged with the second side plate 92, and the second base 32 is also connected with the second end 52 of the second connecting rod 5. Preferably, the two ends of the first base 22 are respectively connected to the first side plate 82 and the first clamping block 21, so that the first clamping block 21 can move to a larger extent during the rotation of the first base 22, and the first connecting rod 4 can be connected to other parts of the first base 22, so that the first base 22 can be driven by the first connecting rod 4 to rotate the first base 22 around the hinge point, thereby driving the first clamping block 21 to move. Similarly, the motion principle of the second base 32 and the second clamping block 31 is similar, and the description is omitted here. The embodiment drives the first base 22 and the second base 32 to rotate around the respective hinge points through the first connecting rod 4 and the second connecting rod 5, so as to drive the first clamping block 21 and the second clamping block 31 to relatively move close to or away from each other, so as to clamp or release the workpiece.

Further, referring to fig. 2 and 6, the first clamping block 21 and the second clamping block 31 are both V-shaped clamping blocks, and the opening of the first clamping block 21 and the opening of the second clamping block 31 are oppositely disposed. This embodiment is particularly suitable for the clamping and fixing of cylindrical workpieces, or thimbles.

Further, referring to fig. 6, the groove 10 is formed at the top end of the V-shaped clamping block, and it can be understood by those skilled in the art that the vertex of the V-shaped block is a stress concentration point, which is easily broken due to excessive stress, and the groove 10 is designed at this point, so that stress concentration can be effectively relieved, and the service life of the clamping block can be prolonged.

Further, referring to fig. 2 to 3, the driving rod 6 penetrates the base plate 1, and the extending and retracting directions of the driving rod 6 are perpendicular to the moving directions of the first clamping block 21 and the second clamping block 31, respectively. The driving rod 6 passes through the middle part of the substrate 1, the two sides of the driving rod 6 are respectively arranged on the first clamping arm 2 and the second clamping arm 3, the two sides of the driving rod 6 are also respectively arranged on the first connecting rod 4 and the second connecting rod 5, the first connecting rod 4 and the second connecting rod 5 are bent, so that the movement direction of the driving rod 6 is perpendicular to the movement direction of the first clamping block 21 and the second clamping block 31 respectively, the driving rod 6 and the driving piece 11 are arranged on the plane where the first clamping block 21 and the second clamping block 31 are located, the interference with other connecting parts of a workpiece or a tool can be avoided, and the operation of a person can not be interfered.

Further, referring to fig. 1, the clamp further includes a connecting arm 7 sleeved on the driving rod 6, the connecting arm 7 includes a first section 71 and a second section 72 connected to each other, the first section 71 is connected to one end 41 of the first connecting rod 4, and the second section 72 is connected to the second end 52 of the second connecting rod 5.

Furthermore, with reference to fig. 3 and 5, the number of first connecting rods 4 and second connecting rods 5 is two, the first section 71 and the first base 22 of the connecting arm 7 are both arranged between the two first connecting rods 4, and the second section 72 and the second base 32 of the connecting arm 7 are both arranged between the two second connecting rods 5. Adopt two head rod 4 and second connecting rod 5 can make anchor clamps overall structure more firm, and the drive of actuating lever 6 is more stable.

In addition, the driving member 11 is a cylinder, but may be a motor, and the cost of selecting the cylinder is low.

Among the above technical solution of the utility model, above only be the utility model discloses a preferred embodiment, not consequently the restriction the utility model discloses a patent range, all be in the utility model discloses a under the technical concept, utilize the equivalent structure transform that the content was done in description and the attached drawing, or direct/indirect application all includes in other relevant technical field the utility model discloses a patent protection scope.

Claims

1. A clamp, comprising:

a substrate;

the driving rod is telescopically arranged on the substrate;

the first clamping arm and the second clamping arm are arranged oppositely, and the driving rod can drive the first connecting rod and the second connecting rod to move, so that the first clamping arm and the second clamping arm are relatively close to or far away from each other.

2. The clamp of claim 1, further comprising a first connecting block and a second connecting block respectively disposed on opposite sides of the base plate, the first connecting block being hingedly coupled to the first clamping arm, and the second connecting block being hingedly coupled to the second clamping arm.

3. The clamp of claim 2, wherein the first connection block comprises a first base plate and two first side plates disposed on opposite sides of the first base plate, the first clamping arm being hingedly connected to the two first side plates; the second connecting block comprises a second bottom plate and two second side plates arranged on two opposite sides of the second bottom plate, and the second clamping arms are hinged to the two second side plates.

4. The clamp of claim 3, wherein the first clamp arm includes a first base and a first clamp block coupled to the first base, the first base being hingedly coupled to the first side plate, the first base further coupled to the other end of the first connecting rod; the second centre gripping arm include the second base member and with the second clamp splice that the second base member is connected, the second base member with the second curb plate is articulated, the second base member still with the second end of second connecting rod is connected.

5. The clamp of claim 4, wherein the first clamp block and the second clamp block are both V-shaped clamp blocks, and the opening of the first clamp block and the opening of the second clamp block are oppositely arranged.

6. The clamp of claim 5, wherein the top end of the V-shaped clamp block is provided with a groove.

7. The clamp of claim 4, wherein the driving rod penetrates through the base plate, and the extension and contraction directions of the driving rod are perpendicular to the moving directions of the first clamping block and the second clamping block respectively.

8. The clamp of claim 4, further comprising a connecting arm mounted to the drive rod, the connecting arm including a first section and a second section connected to one another, the first section being connected to one end of the first connecting rod and the second section being connected to a second end of the second connecting rod.

9. The clamp of claim 8, wherein the number of said first and second connecting rods is two, the first segment of said connecting arm and said first base are each disposed between two of said first connecting rods, and the second segment of said connecting arm and said second base are each disposed between two of said second connecting rods.

10. A clamp according to any one of claims 1 to 9, wherein the drive member is an air cylinder.