CN212420481U

CN212420481U - Quick clamp

Info

Publication number: CN212420481U
Application number: CN202021103427.1U
Authority: CN
Inventors: 邱魏俊恺
Original assignee: Dongguan Clamptek Electro Mechanical Science & Technology Developing Co ltd
Current assignee: Dongguan Clamptek Electro Mechanical Science & Technology Developing Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-01-29
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a quick clamp, it includes: the clamping mechanism comprises a base arranged on a machine tool, a pressing handle hinged on the base, a handle hinged with the pressing handle and used for driving the pressing handle to swing, a connecting rod with two ends respectively hinged on the base and the handle, a locking handle hinged on the handle and used for limiting the swinging of the handle, a spring arranged between the locking handle and the handle, and a chuck arranged at the other end of the pressing handle and used for abutting against and clamping a workpiece, wherein a clamping convex part abutting against and limiting the locking handle is formed on the base, and the locking handle can be separated from the clamping convex part after the spring is compressed so as to remove the limitation on the handle. The utility model discloses in set up hasp handle and spring in one side of handle, fix the handle locking in relevant position through the cooperation of hasp handle and spring, need not the workman and hold the handle constantly and keep pressing from both sides tight location, liberation workman's operative hand promotes workman work efficiency, and easy operation is convenient, and the location is pressed from both sides tightly also more stably simultaneously, improves the accurate nature of detection.

Description

Quick clamp

The technical field is as follows:

the utility model relates to a quick clamp is refered in particular to in anchor clamps technical field.

Background art:

the manual clamp is a mechanical device which is operated manually and used for positioning equipment and objects. Sometimes referred to as quick clamps, are commonly used in welding, inspection, molding, and other stations. Generally, the fixture is used for batch production when a workpiece station for positioning and clamping is needed. The method is basically divided into: horizontal clamp, vertical clamp, sliding door bolt type clamp, linear motion clamp, precision clamp, heavy self-locking clamp and extrusion clamp.

The clamp has the advantages that the clamp plays roles of clamping and fixing parts placed on the checking fixture and the clamp, the parts are prevented from freely moving, the parts are guaranteed to be always in reasonable positions in the measuring or working process, and the accuracy of part detection is improved.

The existing clamp in the market at present needs the worker to hold the pushing handle by hand to keep the positioning and clamping of the workpiece, is inconvenient to use, and increases the labor burden of the worker.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art not enough, provide a quick clamp.

In order to solve the technical problem, the utility model discloses a following technical scheme: this quick clamp includes: the clamping device comprises a base arranged on a machine tool, a pressing handle, a connecting rod, a locking handle, a spring and a chuck, wherein one end of the pressing handle is hinged to the base, one end of the handle is hinged to the pressing handle and used for driving the pressing handle to swing, two ends of the connecting rod are respectively hinged to the base and the handle, the locking handle is hinged to the handle and used for limiting the handle to swing, the chuck is arranged at the other end of the pressing handle in a movable position adjusting mode and used for pressing and clamping a workpiece, a clamping convex part which is limited by pressing with the locking handle is formed on the base, and the locking handle can be separated from the clamping convex part after pressing the spring to release the limitation on the handle.

Furthermore, in the above technical solution, a notch is formed at the upper end of the base for the swinging of the connecting rod and the limitation of the lower end of the handle, the pressing handle and the connecting rod are hinged at the side of the notch, and the clamping protrusion is formed at one side of the notch and is located at the side of the hinged position of the connecting rod and the base.

Furthermore, among the above-mentioned technical scheme, the shaping of hasp handle lower extreme have in the card convex part supports the stopper of pressing the lock joint, the shaping of stopper side have be used for with handle articulated connecting block, still the shaping is used for fixing a position on the hasp handle the lug of spring, this lug is located the connecting block upside.

Furthermore, in the above technical solution, one end of the handle is provided with a first hinge portion and a second hinge portion, the first hinge portion is hinged to one end of the connecting rod, and the second hinge portion is hinged to the pressing handle.

Furthermore, in the above technical solution, one end of the pressing handle is provided with a third hinge part and a fourth hinge part, the third hinge part is hinged to the base, and the fourth hinge part is hinged to the second hinge part; the other end of the pressing handle is formed with a sliding groove for mounting the clamping head, and the clamping head is movably mounted in the sliding groove.

Furthermore, in the above technical solution, the base is further provided with a spacer bush located beside the hinged position of the pressing handle and the base.

Furthermore, in the above technical solution, the chuck includes a rubber head bolt penetrating through the pressure handle, a first nut and a second nut sleeved on the rubber head bolt and used for fixing the rubber head bolt to the pressure handle, a first washer sleeved on the rubber head bolt and located between the first nut and the pressure handle, and a second washer sleeved on the rubber head bolt and located between the second nut and the pressure handle, the first nut and the second nut are respectively located at two sides of the pressure handle, and a third limiting block buckled on the pressure handle to limit the rotation of the rubber head bolt is formed at edges of the first washer and the second washer.

Furthermore, in the above technical scheme, a gourd-shaped rubber sleeve is sleeved on the handle.

Furthermore, in the above technical solution, the lock handle is sleeved with a plane rubber sleeve.

Further, in the above technical solution, the spring is obliquely mounted on the protrusion.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model discloses in set up hasp handle and spring in one side of handle, fix the handle locking in relevant position through the cooperation of hasp handle and spring, need not the workman and hold the handle constantly and keep pressing from both sides tight location, liberation workman's operative hand promotes workman work efficiency, and easy operation is convenient, and the location is pressed from both sides tightly also more stably simultaneously, improves the accurate nature of detection.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is an exploded view of the present invention;

fig. 4 is a schematic view of the swing of the present invention;

fig. 5 is a schematic view of the loosened state of the present invention.

Description of reference numerals:

1 base 11 snap-on projection 12 notch

13 spacer 2 pressing handle 21 third hinge part

22 fourth hinge 23 chute 3 handle

31 first hinge part 32 second hinge part 33 gourd shaped rubber sleeve

4 connecting rod 5 lock catch handle 51 limiting block

52 connecting block 53 convex block 54 plane rubber sleeve

6 spring 7 chuck 71 rubber head bolt

72 first nut 73 second nut 74 first washer

75 second washer 76 third stopper

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

Referring to fig. 1 to 5, there is shown a quick clamp, which includes: a base 1 arranged on a machine tool, a pressing handle 2 with one end hinged on the base 1, a handle 3 with one end hinged with the pressing handle 2 and used for driving the pressing handle 2 to swing, a connecting rod 4 with two ends respectively hinged on the base 1 and the handle 3, a lock catch handle 5 hinged on the handle 3 and used for limiting the handle 3 to swing, a spring 6 arranged between the lock catch handle 5 and the handle 3 and used for pushing the lock catch handle 5 to press on the base 1 to limit the handle 3 to swing, and a chuck 7 which is arranged at the other end of the pressing handle 2 in a movable position adjusting mode and used for pressing and clamping a workpiece, the base 1 is provided with a clamping convex part 11 which is pressed and limited by the lock catch handle 5, and the lock catch handle 5 can be separated from the clamping convex part 11 after pressing the spring 6 so as to release the limitation on the handle 3. In this embodiment, hasp handle 5 sets up in the lower extreme of handle 3, it is fixed with handle 3 on base 1 to detain through hasp handle 5, and then inject and press 2 swings, make chuck 7 keep supporting the power of pressing the work piece, it is tight with work piece positioning clamp, the convenience detects or processes the work piece, 3 swings of artifical restriction handle are prescribed a limit to by hasp handle 5 replacement, liberation workman's both hands, improve workman's work efficiency, hasp handle 5 can make handle 3 keep the same clamp force always, the change of the power of having avoided producing by artifical manual push handle 3, and the detection error who causes, the precision of detection time measuring is further improved.

The upper end of the base 1 is formed with a notch 12 used for the connecting rod 4 to swing and limit the lower end of the handle 3, the pressing handle 2 and the connecting rod 4 are hinged at the side of the notch 12, and the clamping convex part 11 is formed at one side of the notch 12 and is positioned beside the hinged position of the connecting rod 4 and the base 1. Through setting up the wobbling breach 12 of restriction handle 3 on base 1, make the first articulated portion 31 and the second articulated portion 32 of handle 3 lie in breach 12 in turn, inject the wobbling angle in 3 both sides of handle, prevent that handle 3 from swinging excessively knocking into workman's manipulator, also make to swing after can quick accurate location.

The lower end of the lock catch handle 5 is formed with a limiting block 51 which is abutted to the buckling part 11, a connecting block 52 which is hinged with the handle 3 is formed beside the limiting block 51, a convex block 53 which is used for positioning the spring 6 is further formed on the lock catch handle 5, and the convex block 53 is positioned on the upper side of the connecting block 52. The lock catch handle 5 is provided with a convex block 53, the spring 6 is sleeved on the convex block 53, and the spring 6 is positioned so as to prevent the spring 6 from falling off between the handle 3 and the lock catch handle 5. The spring 6 is arranged between the handle 3 and the latch handle 5, the limiting wheel 51 of the latch spring 5 can always keep abutting against the buckling force after being contacted with the clamping convex part 11 by the force generated by the spring 6, and the limiting wheel 51 can leave the clamping convex part 11 after the end part of the latch handle 5 is held tightly to compress the spring 6, so that the swing limitation of the latch handle 5 to the handle 3 is relieved.

The handle 3 is provided with a first hinge portion 31 and a second hinge portion 32 at one end, the first hinge portion 31 is hinged with one end of the connecting rod 4, and the second hinge portion 32 is hinged with the pressing handle 2.

One end of the pressing handle 2 is provided with a third hinge part 21 and a fourth hinge part 22, the third hinge part 21 is hinged with the base 1, and the fourth hinge part 22 is hinged with the second hinge part 32; the other end of the pressing handle 2 is formed with a sliding groove 23 for mounting the clamping head 7, and the clamping head 7 is movably mounted in the sliding groove 23. The sliding groove 23 is strip-shaped, and the abutting part of the clamping head 7 can be changed by adjusting the position of the clamping head 7 in the sliding groove 23 so as to adapt to workpieces with different sizes.

The base 1 is also provided with a spacer 13 positioned beside the hinged part of the pressing handle 2 and the base 1.

The clamping head 7 comprises a rubber head bolt 71 penetrating through the press handle 2, a first nut 72 and a second nut 73 sleeved on the rubber head bolt 71 and used for fixing the rubber head bolt 71 to the press handle 2, a first washer 74 sleeved on the rubber head bolt 71 and located between the first nut 72 and the press handle 2, and a second washer 75 sleeved on the rubber head bolt 71 and located between the second nut 73 and the press handle 2, wherein the first nut 72 and the second nut 73 are respectively located on two sides of the press handle 2, and third limiting blocks 76 buckled on the press handle 2 to limit the rotation of the rubber head bolt 71 are formed on the edges of the first washer 74 and the second washer 75. The rubber head bolt 71 comprises a bolt rod and a rubber head formed at the end part of the bolt rod, and when the rubber head bolt is used, the rubber head is pressed on a workpiece, so that the surface of the workpiece is prevented from being scratched in the clamping and positioning process. When the chuck 7 is installed, the second nut 73 is firstly sleeved on the rubber bolt 71, the second washer 75 is sleeved on the rubber bolt 71, the rubber head bolt 71 penetrates through the sliding groove 23, the first washer 74 is sleeved on the rubber head bolt 71, the first nut 72 is sleeved on the rubber head bolt 71, the second nut 73 is rotated to adjust the height of the rubber head, the first nut 72 is rotated to fix the rubber head bolt 71 on the pressing handle 2, when a workpiece is positioned and clamped, the abutting force between the rubber head and the workpiece is adjusted by rotating the first nut 72 and the second nut 73, and the workpiece is accurately positioned and clamped.

The handle 3 is sleeved with a gourd-shaped rubber sleeve 33. Through sheatheeing calabash type gum cover 31 on handle 3 for can be more comfortable when using, avoid holding tightly for a long time and pull handle 3 and cause user's palm injury, in order to play the guard action.

The lock catch handle 5 is sleeved with a plane rubber sleeve 54. By sleeving the planar rubber sleeve 54 on the latch handle 5, the use can be more comfortable, and the palm of a user is prevented from being injured due to long-term gripping and pulling of the latch handle 5, so that the protection effect is achieved.

The spring 6 is mounted on the projection 53 in an inclined manner. The spring 6 is obliquely arranged on the projection 53, so that the spring 6 is just vertical to the position between the pressure handle 2 and the handle 3 after being compressed, the pressure and the reset elastic force of the spring 6 are vertical to the pressure handle 2 and the handle 3, other oblique offset force is not generated, the spring 6 can be kept stable after being compressed, and the spring 6 is prevented from popping out from the position between the pressure handle 2 and the handle 3 after being compressed.

To sum up, when the utility model is used, the spring 6 is compressed by gripping the handle 3 and the lock catch handle 5 with hands, and then the handle 3 is pulled to drive the connecting rod 4 to swing relative to the base 1 and drive the pressing handle 2 to swing, thereby realizing the purpose that the chuck 7 is pressed against or loosens a workpiece; when a workpiece needs to be positioned and clamped, the handle 3 and the latch handle 5 are gripped, the handle 3 is pulled to swing the limiting block 51 of the latch handle 5 to the clamping convex part 11 on the base 1, then the latch handle 5 is loosened, the spring 6 pushes the latch handle 5 to swing so that the limiting block 51 is pressed and clamped on the clamping convex part 11 to lock the handle 3, meanwhile, in the swinging process of the handle 3, the first hinge part 31 pushes the connecting rod 4 to swing into the notch 12 of the base 1 to further limit the handle 2, and the second hinge part 32 pushes the pressing handle 2 to swing so that the chuck 7 is pressed on the workpiece to be positioned and clamped; when a workpiece needs to be loosened, the handle 3 and the latch handle 5 are gripped, the spring 6 is compressed to enable the limiting block 51 to be separated from the clamping convex part 11, the handle 3 is pulled to swing reversely, the limiting block 51 is enabled to be far away from the clamping convex part 11, meanwhile, the first hinge part 31 pushes the connecting rod 4 to move out of the notch 12, the second hinge part 32 pulls the pressing handle 2 to swing, the chuck 7 is enabled to loosen the workpiece, the second hinge part 32 drives the fourth hinge part 22 of the pressing handle 2 to move into the notch 12 of the base 1, the pressing handle 2 is positioned, excessive swinging of the pressing handle 2 is prevented, the second hinge part 32 abuts against the inner wall of the notch 12 and also plays a role in limiting swinging of the handle 3, and the phenomenon that an operator applies excessive force to cause arm.

In the above scheme, through set up hasp handle 5 in handle 3 one side, make to drive at handle 3 and press 2 promotion chuck 7 with the good back of work piece location, fix handle 3 by hasp handle 5 and 1 lock joint of base, and then make chuck 7 keep supporting pressure to the work piece, it is tight to keep the location clamp to the work piece, make the workman need not pull handle 3 constantly and come to press from both sides the work piece, thereby liberation workman's both hands, alleviate workman's labour, promote work efficiency.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. A quick clamp, comprising: a base (1) arranged on a machine tool, a pressing handle (2) with one end hinged on the base (1), a handle (3) with one end hinged with the pressing handle (2) and used for driving the pressing handle (2) to swing, a connecting rod (4) with two ends respectively hinged on the base (1) and the handle (3), a latch handle (5) hinged on the handle (3) and used for limiting the handle (3) to swing, a spring (6) arranged between the latch handle (5) and the handle (3) and used for pushing the latch handle (5) to press on the base (1) so as to limit the handle (3) to swing, and a chuck (7) arranged at the other end of the pressing handle (2) in a movable position adjusting mode and used for pressing and clamping a workpiece, wherein a clamping convex part (11) which presses and limits the latch handle (5) is formed on the base (1), the locking handle (5) can be separated from the clamping convex part (11) after pressing the spring (6) so as to release the limitation of the handle (3).

2. A quick clamp according to claim 1 wherein: base (1) upper end shaping has and is used for connecting rod (4) swing and right spacing breach (12) of handle (3) lower extreme, press handle (2) with connecting rod (4) all articulate in the side of breach (12), card convex part (11) shaping in breach (12) one side is located connecting rod (4) with base (1) articulated department is other.

3. A quick clamp according to claim 1 wherein: hasp handle (5) lower extreme shaping have in card convex part (11) support to press stopper (51) of lock joint, stopper (51) side shaping have be used for with handle (3) articulated connecting block (52), still the shaping is used for fixing a position on hasp handle (5) lug (53) of spring (6), this lug (53) are located connecting block (52) upside.

4. A quick clamp according to claim 1 wherein: one end of the handle (3) is provided with a first hinge part (31) and a second hinge part (32), the first hinge part (31) is hinged with one end of the connecting rod (4), and the second hinge part (32) is hinged with the pressing handle (2).

5. A quick clamp according to claim 4 wherein: one end of the pressing handle (2) is provided with a third hinged part (21) and a fourth hinged part (22), the third hinged part (21) is hinged with the base (1), and the fourth hinged part (22) is hinged with the second hinged part (32); the other end of the pressing handle (2) is formed with a sliding groove (23) for installing the clamping head (7), and the clamping head (7) is movably installed in the sliding groove (23).

6. A quick clamp according to claim 2 wherein: the base (1) is also provided with a spacer bush (13) which is positioned beside the hinged part of the pressing handle (2) and the base (1).

7. A quick clamp according to any one of claims 1 to 6 wherein: the clamping head (7) comprises a rubber head bolt (71) penetrating through the press handle (2), a first nut (72) and a second nut (73) which are sleeved on the rubber head bolt (71) and used for fixing the rubber head bolt (71) to the press handle (2), a first washer (74) which is sleeved on the rubber head bolt (71) and is positioned between the first nut (72) and the press handle (2), and a second washer (75) which is sleeved on the rubber head bolt (71) and is positioned between the second nut (73) and the press handle (2), the first nut (72) and the second nut (73) are respectively positioned at two sides of the press handle (2), and third limiting blocks (76) buckled on the pressing handle (2) to limit the rotation of the rubber head bolts (71) are formed at the edges of the first washer (74) and the second washer (75).

8. A quick clamp according to claim 7 wherein: the handle (3) is sleeved with a gourd-shaped rubber sleeve (33).

9. A quick clamp according to claim 7 wherein: the lock catch handle (5) is sleeved with a plane rubber sleeve (54).

10. A quick clamp according to claim 3 wherein: the spring (6) is obliquely arranged on the lug (53).