CN214920757U

CN214920757U - Multipurpose clamp

Info

Publication number: CN214920757U
Application number: CN202121096371.6U
Authority: CN
Inventors: 王尔群; 邬建飞; 章仉香
Original assignee: Ningbo Rian Valves Co ltd
Current assignee: Ningbo Rian Valves Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-11-30
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a multipurpose clamp, including the clamping structure above, the revolution mechanic in the middle and the mounting structure below, the clamping structure adopts and pulls the rocker, and the rocker drives the bull stick rotation, and the mode that the bull stick moved up is driven to the bull stick and is pressed from both sides the work piece, the axle core sets up the recess in the revolution mechanic, and the chassis sets up the combination of round pin stick-spring, and round pin stick card goes into the recess and carries out spacing and graduation to the axle core, and the mounting structure is a bottom plate, supports clamping structure and revolution mechanic to itself leaves the connecting hole, is convenient for install the device in different stations; the utility model relates to a rationally, be convenient for press from both sides tight work piece, the combination degree is higher, and the commonality between many specifications or different processes is stronger.

Description

Multipurpose clamp

Technical Field

The utility model belongs to the technical field of frock clamp, concretely relates to multipurpose clamp.

Background

The tooling is a technological device and is a general name of various tools used in the manufacturing process; the clamp is generally used for fastening a workpiece to keep the workpiece in a correct position, so that a machine tool, a cutter and the like can conveniently process the workpiece; under the drive of the development of the machine tool technology in the directions of high speed, precision, composition, intelligence and environmental protection, the clamp is developing in the directions of high efficiency, module, combination, universality and economy, but the clamp on the market at present has the problems of complicated fixing process, low combination degree and poor universality among workpieces of different specifications or different working procedures.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem, the utility model provides a multipurpose clamp sets up and presss from both sides tight structure, revolution mechanic, mounting structure, and it is fixed with the work piece that tight structure adopts the mode of pulling the rocker and driving the ejector pin removal, and revolution mechanic sets up the draw-in groove and the round pin stick is used for the graduation, and mounting structure is convenient for install the device in the station to this reaches and presss from both sides tight convenience, the combination degree is higher, at the stronger effect of commonality between many specifications or different processes.

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

a multipurpose clamp comprises a clamping structure, a rotating structure and a mounting structure, wherein the clamping structure is positioned at the upper part of the clamp, and a mandril is driven to move up and down by pulling a rocker so as to clamp and fix a workpiece; the rotating structure is positioned at the lower part of the clamp, supports the clamping structure, and drives the clamping structure to rotate so as to drive the workpiece to rotate; the mounting structure is positioned at the lowest part of the clamp, supports the upper rotating structure and the clamping structure and is used for mounting the clamp at a specific position.

Preferably, the main part of pressing from both sides tight structure is a fixed block, the fixed block divide into upper plate, riser and hypoplastron, upper plate and hypoplastron are circular, the fixed block looks sideways at and is C shape, horizontal through-hole is left to the hypoplastron, the through-hole internal rotation sets up the bull stick, one section ascending breach is left to the part that the bull stick is located the through-hole, the cross section of breach department bull stick is the semicircle, the hypoplastron part that the breach upwards corresponds sets up the fretwork, slide from top to bottom in the fretwork and set up the ejector pin, the ejector pin lower extreme is located the bull stick breach, the part perpendicular to bull stick that the bull stick is located the through-hole outside leaves the screw, the rocker is connected to the screw, the fixed block bottom surface leaves the opening, and the opening is used for connecting below revolution mechanic.

Preferably, the rotating structure comprises a chassis, a rotating hole is reserved in the center of the chassis, a connecting shaft core is rotated in the rotating hole, the upper end of the shaft core is installed in an opening in the bottom surface of the lower plate of the fixed block, a connecting screw hole is reserved in the bottom surface of the chassis, and the connecting screw hole is used for being connected with the lower installation structure.

Preferably, the mounting structure is a bottom plate, the bottom plate is provided with a connecting hole, a bottom plate screw is arranged in the connecting hole, the bottom plate screw penetrates upwards through the connecting hole and then is in threaded connection with a connecting screw hole in the bottom surface of the chassis, a mounting hole is reserved in the bottom plate, and the bottom plate can be mounted at a specific station through the mounting hole, so that the mounting of the device is completed.

Preferably, the part that the axle core is located the commentaries on classics downthehole is interrupted and is left the round recess, it leaves spacing hole on the pore wall to change, spacing downthehole round pin stick that sets up, the round pin stick outside sets up the spring, the spring outside sets up stop screw, stop screw twists in spacing hole outer mouthful, the round pin stick extrudees the axle core all the time inwards under the effect of spring elasticity, when its card goes into the axle core recess, alright carry out the screens to the axle core, restrict its rotation to holding device stability, recess left wall perpendicular to round pin stick, right wall are on a parallel with the round pin stick, make the axle core can only unidirectional rotation, and the antiport can be spacing, when the axle core has certain anticlockwise rotation trend, and recess left wall will be crowded spacing hole with the round pin stick to can adjust spacing length in spacing hole of stop screw in as required and adjust spacing dynamics.

Preferably, a positioning screw hole is reserved in the vertical plate of the fixing block, a positioning screw is arranged in the positioning screw hole, a positioning block is connected to the positioning screw in a threaded mode, and the positioning block is used for assisting in positioning the position of the workpiece, so that the workpiece is guaranteed to be clamped quickly and accurately.

Preferably, a fixing screw hole is reserved in the opening wall of the bottom surface of the lower plate of the fixing block, a fixing screw is arranged in the fixing screw hole, and after the upper end of the shaft core is installed in the opening, the fixing screw is screwed down to reinforce the connection, so that the stable structure of the device is ensured.

Preferably, the middle of the upper plate of the fixed block is hollowed, a drill bushing can be installed at the hollowed part, the drill bushing is used for assisting in drilling of a workpiece, a compression screw hole is reserved in the hollowed-out outer side, a compression screw is arranged in the compression screw hole, and the drill bushing can be fixed at the hollowed part of the upper plate of the fixed block by screwing the compression screw.

Preferably, the shaft core and the drill bushing are designed in a matching way, and the matching is mainly embodied in that the number of grooves on the shaft core corresponds to the number of drill holes reserved on the drill bushing, and the two are indexed the same; the shaft core or the drill sleeve can be replaced, and the division value of the rotating structure is adjusted so as to be suitable for various machining requirements.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model combines the upper clamping structure, the middle rotating structure and the bottom mounting structure, has higher combination degree, increases the universality of the clamp, is suitable for clamping workpieces with various specifications and can be used in various processing procedures;

2. in the clamping structure of the utility model, the rocker is pulled to drive the mandril to move upwards to clamp and fix the workpiece, and the clamping process is convenient and rapid;

3. the utility model discloses rotatory graduation simple structure among the revolution mechanic can prevent reversing, and the screens dynamics is adjustable to can change the axle core of different recess numbers according to the processing needs, thereby change the division value.

Drawings

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

FIG. 2 is an exploded view of the embodiment;

FIG. 3 is a schematic illustration of an exemplary two-part exploded structure;

fig. 4 is a front view of the present invention;

fig. 5 is a top view of the present invention;

FIG. 6 is a schematic view of FIG. 5 at section A-A;

fig. 7 is a schematic view of fig. 6 in the direction B-B.

Description of reference numerals:

1, a bottom plate screw; 2, a bottom plate; 3, limiting screws; 4, a spring; 5, a pin rod; 6, a chassis; 7, a bearing; 8, an axial core; 9 fixing screws; 10, fixing blocks; 11, positioning blocks; 12, a top rod; 13, drilling a sleeve; 14 a compression screw; 15 positioning screws; 16 rocker levers; 17 rotating the rod.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The first embodiment is as follows:

referring to fig. 2 and 7, a multipurpose clamp comprises a clamping structure, a rotating structure and a mounting structure, wherein the clamping structure is positioned at the upper part of the clamp, and a rocker 16 is pulled to drive an ejector rod 12 to move up and down so as to clamp and fix a workpiece; the rotating structure is positioned at the lower part of the clamp, supports the clamping structure, and drives the clamping structure to rotate so as to drive the workpiece to rotate; the mounting and rotating structure is positioned at the lowest part of the clamp, supports the upper rotating structure and the clamping structure and is used for mounting the clamp at a specific position.

The main part of pressing from both sides tight structure is a fixed block 10, fixed block 10 divide into circular upper plate, riser and circular hypoplastron, and the fixed block looks sideways at and is C shape, horizontal through-hole has been left to fixed block 10 hypoplastron, the through-hole internal rotation sets up bull stick 17, one section breach up is left to the part that bull stick 17 is located the through-hole, the cross section of breach department bull stick 17 is the semicircle, the fixed block 10 hypoplastron that the breach upwards corresponds sets up the fretwork, slide from top to bottom in the fretwork and set up ejector pin 12, the ejector pin 12 lower extreme is located the bull stick 17 breach, the part perpendicular to bull stick 17 that the bull stick 17 is located the through-hole leaves the screw, rocker 16 is connected to the screw, the opening is left to fixed block 10 bottom surface.

The rotating structure comprises a chassis 6, a rotating hole is reserved in the center of the chassis 6, a shaft core 8 is rotatably connected in the rotating hole through a bearing 7, the upper end of the shaft core 8 is installed in an opening in the bottom surface of a fixed block 10, and a connecting screw hole is reserved in the bottom surface of the chassis 6.

The mounting structure is a bottom plate 2, the bottom plate 2 is provided with a connecting hole, a bottom plate screw 1 is arranged in the connecting hole, the bottom plate screw 1 penetrates through the connecting hole upwards and then is connected with a connecting screw hole in the bottom surface of the chassis 6 in a threaded mode, and a mounting hole is reserved on the bottom plate 2.

The part that axle core 8 is located the commentaries on classics downthehole is interrupted and is left the round recess, leave two spacing holes on the commentaries on classics pore wall, every spacing downthehole round pin 5 that sets up, the 5 outsides of round pin set up spring 4, the 4 outsides of spring set up stop screw 3, stop screw 3 is twisted in spacing hole outer mouthful, recess left wall perpendicular to round pin, recess right wall is on a parallel with the round pin.

And a positioning screw hole is reserved on the vertical plate of the fixing block 10, a positioning screw 15 is arranged in the positioning screw hole, and the positioning screw 15 is in threaded connection with a positioning block 11.

And a fixing screw hole is reserved on the opening wall of the bottom surface of the fixing block 10, and a fixing screw 9 is arranged in the fixing screw hole.

The middle of the upper plate of the fixing block 10 is hollowed.

The shaft core 8 can be detached and replaced, and the shaft core 8 with different numbers of grooves can be selected to adjust the division value of the rotating structure.

S1, before processing, the device is installed on a station through an installation structure of the device, namely a bottom plate 2;

s2, placing a workpiece between an upper plate and a lower plate of the fixed block 10, adjusting a positioning screw 15 and a positioning block 11, adjusting the workpiece to a proper position, pulling a rocker 16, driving the rocker 16 to rotate a rotating rod 17, rotating a gap of the rotating rod 17 along with the rotation, increasing the height of the rotating rod 17 at the gap, jacking a mandril 12 upwards, jacking the workpiece upwards by the mandril 12, and pressing the workpiece on the upper plate of the fixed block 10;

s3, processing the workpiece;

s4, when the shaft core 8 needs to rotate, counterclockwise force is applied to the rocker 16, the rocker 16 drives the rotating rod 17, the rotating rod 17 drives the fixing block 10, the fixing block 10 drives the shaft core 8, the left wall of the groove in the shaft core 8 extrudes the pin rod 5 outwards, the pin rod 5 further compresses the spring 4 and moves into the limiting hole completely, and the pin rod 5 pops out again to be clamped into the groove after the shaft core 8 rotates for a certain angle, so that the shaft core 8 is limited;

s5, processing the workpiece;

s6, repeating S4-S5 to finish the processing of the workpiece;

s7, after the machining is finished, resetting the rocker 16, moving the ejector rod 12 downwards, taking the workpiece out of the compression structure after the workpiece loses extrusion, and replacing the workpiece or finishing the machining;

and S8, resetting the device after the machining is finished, and unloading the device from the station.

Example two:

as shown in fig. 1, 3, 4, 5, 6, and 7, a multipurpose clamp has the same overall structure as the first embodiment, and is characterized in that a hollow part of an upper plate of a fixing block 10 is provided with a drill bushing 13, a hold-down screw hole is reserved outside the hollow part, a hold-down screw 14 is arranged in the hold-down screw hole, a shaft core 8 and the drill bushing 13 are designed in a matched manner, the number of grooves on the shaft core 8 corresponds to the number of drill holes reserved on the drill bushing 13, the shaft core 8 or the drill bushing 13 can be detached and replaced, and the division value of a rotary structure can be adjusted by replacing the shaft cores 8 with different numbers of grooves and the drill bushings 13 with corresponding numbers of drill holes.

S1, before drilling, the device is installed on a station through an installation structure of the device, namely a bottom plate 2, and a shaft core 8 and a drill bush 13 with proper indexing are selected to be installed according to the number of grooves and the number of drilled holes according to the drilling indexing requirement of a workpiece to be drilled;

s3, drilling a workpiece;

s5, drilling the workpiece again;

s6, repeating S4-S5 to complete the drilling of the workpiece;

and S8, resetting the device after drilling is finished, and unloading the device from the station.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the above embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A multipurpose clamp, comprising:

the clamping structure is positioned at the upper part of the clamp;

the rotating structure is positioned at the lower part of the clamp and used for supporting the clamping structure;

and the mounting structure is positioned at the lowest part of the clamp, supports the upper rotating structure and clamps the structure.

2. The multipurpose clamp according to claim 1, wherein the main body of the clamping structure is a fixed block, the fixed block is divided into an upper plate, a vertical plate and a lower plate, the whole side view is C-shaped, the lower plate is provided with a transverse through hole, a rotating rod is rotatably arranged in the through hole, an upward notch is reserved on the part of the rotating rod in the through hole, the cross section of the rotating rod at the notch is semicircular, the part of the lower plate corresponding to the notch upwards is provided with a hollow part, an ejector rod is slidably arranged in the hollow part up and down, the lower end of the ejector rod is located in the notch of the rotating rod, a screw hole is reserved on the part of the rotating rod outside the through hole and perpendicular to the rotating rod, and the screw hole is connected with a rocker.

3. The multipurpose clamp according to claim 2, wherein the rotating structure comprises a base plate, a rotating hole is formed in the center of the base plate, and the connecting shaft core is rotatably arranged in the rotating hole.

4. The multipurpose clamp of claim 3, wherein the mounting structure is a base plate, the base plate is provided with a connecting hole, a base plate screw is arranged in the connecting hole, and a mounting hole is further reserved on the base plate.

5. The multipurpose clamp according to claim 4, wherein an opening is formed in the bottom surface of the fixing block, the upper end of the shaft core is installed in the opening in the bottom surface of the fixing block, a connecting screw hole is formed in the bottom surface of the base plate, and the bottom plate screw penetrates through the connecting hole upwards and then is in threaded connection with the connecting screw hole in the bottom surface of the base plate.

6. The multipurpose clamp according to claim 3, wherein a circle of groove is intermittently reserved on the part of the shaft core, which is located in the rotary hole, a limiting hole is reserved on the wall of the rotary hole, a pin is arranged in the limiting hole, a spring is arranged on the outer side of the pin, a limiting screw is arranged on the outer side of the spring, the limiting screw is screwed on an outer opening of the limiting hole, the pin is abutted inwards in the groove, the left wall of the groove is perpendicular to the pin, and the right wall of the groove is parallel to the pin.

7. The multipurpose clamp according to claim 2, wherein a positioning screw hole is reserved on the vertical plate of the fixing block, a positioning screw is arranged in the positioning screw hole, and a positioning block is connected to the positioning screw in a threaded manner.

8. The multipurpose clamp according to claim 5, wherein the opening wall of the lower plate is provided with fixing screw holes in which fixing screws are provided.

9. The multipurpose clamp according to claim 2, wherein the middle of the upper plate of the fixing block is hollowed, a drill bushing is installed at the hollowed part, a compression screw hole is reserved outside the hollowed part, and a compression screw is arranged in the compression screw hole.

10. The multipurpose clamp according to claim 6, wherein the number of the grooves on the shaft core corresponds to the number of the drill holes on the drill bushing, and a plurality of sets of the shaft core and the drill bushing are provided.