CN210476220U - Lateral clamping device for flexible precise flat tongs - Google Patents

Abstract

The utility model discloses a flexible accurate flat-nose pliers steps up device with side direction belongs to machining clamping tool, the utility model discloses the technical problem that solves realizes clamping work piece labour saving and time saving for how avoid the workstation to receive T type bolt mounted position and flat-nose pliers to step up the restriction of scope, improves production efficiency, can satisfy the processing requirement of different parts fast simultaneously, and the technical scheme of adoption is: the structure of the fixing seat comprises a fixing seat, wherein a U-shaped groove is formed in the lower side surface of the fixing seat, a T-shaped bolt is arranged in the U-shaped groove, positioning grooves are respectively formed in two sides of the U-shaped groove, positioning keys are arranged in the positioning grooves, and the positioning keys are used for positioning and guiding the fixing seat; the side is the slope side on the fixing base, is provided with the slide on the slope side, the downside of slide and the slope side sliding fit of fixing base, and the one end department of slide is provided with the piece that steps up, steps up the piece and is used for fixing on the slide and with the work piece contact, steps up the work piece.

Description

Lateral clamping device for flexible precise flat tongs

Technical Field

The utility model relates to a machining clamping tools, specifically speaking are flexible accurate flat-nose pliers with side direction clamping device.

Background

In milling process (including general milling and machining center), flat tongs, chucks (clamping round rod parts) and pressing plates (combined clamps) are mainly used at present, and the following conditions are frequently encountered in the working process: the frock of clamping batch spare on the workstation, when meetting the work piece of small-lot and add man-hour, can not dismantle the frock of clamping batch spare on the workstation and change, because the T type screw of fastening frock must be put into from the both ends of workstation T type groove and pushes away to the position that needs again. And the processing is finished and then the operation is carried out again, which wastes labor and time. The clamping range of the common flat tongs is limited, when the clamping range of the flat tongs is insufficient, the workpiece can only be clamped by the pressing plate at present, but the upper surface of the workpiece cannot be machined once when the workpiece is clamped by the pressing plate, the pressing plate needs to be moved to replace the machined position again, the workpiece is pressed again and machined, labor and time are wasted, the precision is not easy to guarantee, and the problems of low parallelism of parts and the like exist.

Disclosure of Invention

The technical task of the utility model is to provide a flexible accurate flat-nose pliers steps up device with side direction, solves the restriction that how to avoid the workstation to receive T type bolt mounted position and flat-nose pliers step up the scope, realizes clamping work piece labour saving and time saving, improves production efficiency, can satisfy the problem of the processing requirement of different parts fast simultaneously.

The technical task of the utility model is realized in the following way, a flexible precise flat tongs lateral tightening device, which comprises a fixed seat, wherein the lower side surface of the fixed seat is provided with a U-shaped groove, a T-shaped bolt is arranged in the U-shaped groove, two sides of the U-shaped groove are respectively provided with a positioning groove, a positioning key is arranged in the positioning groove, and the positioning key is used for positioning and guiding the fixed seat; the positioning key is fixedly connected with the fixed seat through a positioning key connecting bolt; the side is the slope side on the fixing base, is provided with the slide on the slope side, the downside of slide and the slope side sliding fit of fixing base, and the one end department of slide is provided with the piece that steps up, steps up the piece and is used for fixing on the slide and with the work piece contact, steps up the work piece.

Preferably, the fixed seat is of a hollow right-angle trapezoidal structure, a first helical tooth is arranged on the inclined side face of the fixed seat, a second helical tooth is arranged on the lower side face of the sliding seat, and the first helical tooth is meshed with the second helical tooth.

More preferably, the right-angled side surface of the fixing seat forms an angle of 10-15 degrees, preferably 12 degrees with the inclined side surface.

Preferably, the inclined side face of the fixing seat is provided with a fastening bolt hole, a fastening bolt is arranged in the fastening bolt hole, the fastening bolt is used for connecting the fixing seat and the sliding seat and providing power for the sliding seat in the screwing process, and the workpiece is clamped by the clamping block.

Preferably, a step-shaped long hole is formed in the middle of the sliding seat, the fastening bolt is arranged in the step-shaped long hole, and the angle between the step surface in the step-shaped long hole and the lower side surface of the sliding seat is 10-15 degrees, preferably 12 degrees.

Preferably, the T-shaped bolt is a T-shaped structure consisting of a threaded connection part and a gear head part; the gear head part is of a hexagonal structure consisting of two chamfer surfaces arranged in parallel, two planes I arranged in parallel and two planes II arranged in parallel, and the included angle between the chamfer surfaces and the central shaft surface of the threaded connecting part is 10-12 degrees, preferably 10.5 degrees;

the first plane is at an angle of 13-17 deg., preferably 15 deg., to the central axial plane of the threaded connection.

Preferably, stepped thread mounting holes are formed in two sides of the tightening block, a tightening block connecting bolt is arranged in each thread mounting hole, and the tightening block connecting bolt is used for fixedly connecting the tightening block and the sliding seat.

Preferably, the clamping block is rectangular, a plurality of burr bulges are arranged on one side surface of the rectangular clamping block, which is far away from the sliding seat, and the burr bulges are used for clamping the blank workpiece; or one side surface of the rectangular clamping block, which is far away from the sliding seat, is a smooth plane, and the smooth plane is used for clamping the finish machining workpiece.

Preferably, a small V-shaped groove is formed in the middle of the tightening block, the included angle of the two side faces of the small V-shaped groove is 60-120 degrees, preferably 90 degrees, and the small V-shaped groove is used for tightening the round rod workpieces.

Preferably, a large V-shaped groove is formed in the middle of the tightening block, and the included angle between the two side surfaces of the large V-shaped groove is 90-150 degrees, preferably 120 degrees; one side of the large V-shaped groove is an inclined plane, and the large V-shaped groove on the inclined plane is used for processing the inclined plane of the fastened round rod workpiece.

The utility model discloses a flexible accurate flat-nose pliers with side direction clamping device has following advantage:

after the T-shaped bolt is improved, the T-shaped bolt does not need to be placed at two ends of a workbench and pushed to a required position, the T-shaped bolt can be inserted into the T-shaped groove of the workbench at any position of the workbench, and the T-shaped bolt can be rotated to work, so that the T-shaped bolt is simple, convenient and feasible to operate, quick and rapid, and has strong practicability;

the contact surfaces of the fixed seat and the sliding seat are meshed through the wavy helical teeth I and the helical teeth II, and after the sliding seat is worn for a long time, the guiding precision cannot be reduced;

thirdly, the utility model moves forwards on the fixed seat to push the clamping block to clamp the workpiece under the action of screwing the fixing screw, and the workpiece is not loosened by the vibration during cutting (like a clamping screw rod of flat tongs) due to the acting force of the inclined plane;

because the working table surface is the workpiece contact surface, the problem that the parallelism of parts is not high when the parts are clamped by common flat tongs is solved; meanwhile, the problem that the common flat tongs are limited by the clamping range during clamping is solved;

therefore, the utility model has the advantages of simple structure, low cost, convenient processing and manufacturing, simple and easy operation and strong practicability, thereby obviously shortening the cycle time and improving the production efficiency, being convenient to adjust and being capable of quickly meeting the processing requirements of different parts; meanwhile, the multifunctional electric heating cooker has the characteristics of reasonable design, simple structure, easiness in processing, small volume, convenience in use, multiple purposes and the like, and therefore, the multifunctional electric heating cooker has good popularization and use values.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a lateral clamping device for flexible precision flat tongs;

FIG. 2 is a schematic perspective view of a fixing base;

FIG. 3 is a schematic plane structure of the fixing base;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3

FIG. 5 is a schematic view of the structure shown in the direction B in FIG. 4;

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 4;

FIG. 7 is a schematic perspective view of the slider;

FIG. 8 is a schematic plan view of the slider;

FIG. 9 is a schematic structural view of a T-bolt;

FIG. 10 is a schematic view of the structure of FIG. 9 taken along direction D;

FIG. 11 is a schematic view of the clamping block;

FIG. 12 is a schematic view of the structure shown in FIG. 11 in the direction F;

FIG. 13 is a schematic structural view of embodiment 2;

FIG. 14 is a schematic structural view of example 3;

FIG. 15 is a schematic structural view of example 4;

FIG. 16 is a cross-sectional view taken along line E-E of FIG. 15;

FIG. 17 is a schematic view of a first step in T-bolt installation;

FIG. 18 is a schematic view of a reserved length of a threaded connection during installation of a T-bolt;

FIG. 19 is a schematic view of a second step of T-bolt installation;

FIG. 20 is a schematic view of the third step of T-bolt installation.

In the figure: 1. the device comprises a sliding seat, 1-1 parts of a second helical tooth, 1-2 parts of a stepped long strip hole, 2 parts of a fixed seat, 2-1 parts of a U-shaped groove, 2-2 parts of a positioning groove, 2-3 parts of a tilted side face, 2-4 parts of a right-angled side face, 2-5 parts of a first helical tooth, 2-6 parts of a fastening bolt hole, 3 parts of a workbench, 4 parts of a fastening bolt, 5 parts of a clamping block, 5-1 parts of a stepped threaded mounting hole, 5-2 parts of a burr bulge, 5-3 parts of a smooth plane, 5-4 parts of a small V-shaped groove, 5-5 parts of a large V-shaped groove, 5-6 parts of a tilted face, 6 parts of a clamping block connecting bolt, 7 parts of a positioning key, 8 parts of a positioning key connecting bolt, 9 parts of a T-shaped bolt, 9-1 parts of a threaded connecting part, 9-2 parts of a stop, Plane one, 9-5, plane two, 10, T type groove.

Detailed Description

The lateral clamping device for flexible precision flat tongs of the present invention is described in detail below with reference to the drawings and the specific embodiments of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and for simplification of description. And are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

as shown in the attached figure 1, the lateral tightening device for the flexible precise flat tongs comprises a fixed seat 2, wherein the lower side surface of the fixed seat 2 is provided with a U-shaped groove 2-1, a T-shaped bolt 9 is arranged in the U-shaped groove 2-1, two sides of the U-shaped groove 2-1 are respectively provided with a positioning groove 2-2 for positioning, a positioning key 7 is arranged in the U-shaped groove 2-2, and the positioning key 7 is used for positioning and guiding the fixed seat 2; the positioning key 7 is fixedly connected with the fixed seat 2 through a positioning key connecting bolt 8; the upper side surface of the fixed seat 2 is an inclined side surface 2-3, a slide 1 is arranged on the inclined side surface 2-3, the lower side surface of the slide seat 1 is in sliding fit with the inclined side surface 2-3 of the fixed seat 2, a tightening block 5 is arranged at one end of the slide seat 1, and the tightening block 5 is used for being fixed on the slide seat 1 and contacting with a workpiece to tighten the workpiece.

As shown in fig. 2, 3, 4 and 5, the fixing base 2 is a hollow right-angled trapezoid structure, and the inclined side 2-3 of the fixing base 2 is provided with a first inclined tooth 2-5. The right-angle side surface 2-4 of the fixed seat 2 and the inclined side surface 2-3 form an included angle of 12 degrees. And fastening bolt holes 2-6 are arranged on the inclined side surfaces 2-3 of the fixed seat 2, fastening bolts 4 are arranged in the fastening bolt holes 2-6, and the fastening bolts 4 are used for connecting the fixed seat 2 and the sliding seat 1 and providing power for the sliding seat 1 in the screwing process to finish the workpiece tightening of the tightening block 5. The fixed seat 2 is used for bearing and fixing the sliding seat 1 and bearing the thrust generated when a workpiece is fastened.

As shown in the attached drawings 7 and 8, the lower side surface of the sliding seat 1 is provided with a second helical tooth 1-1, a first helical tooth 2-5 is meshed with the second helical tooth 1-1, a step-shaped long hole 1-2 is formed in the middle of the sliding seat 1, a fastening bolt 4 is installed in the step-shaped long hole 1-2, and the angle between the step surface in the step-shaped long hole 1-2 and the lower side surface of the sliding seat 1 is 12 degrees. The sliding seat 1 is used for pushing the clamping block 5 to clamp a workpiece by moving forwards on the fixed seat 2 under the action of tightening the fastening 4.

As shown in fig. 9 and 10, the T-bolt 9 is a T-shaped structure composed of a threaded connection portion 9-1 and a stopper head portion 9-2; the gear head part 9-2 is a hexagonal structure consisting of two chamfer surfaces 9-3 arranged in parallel, two planes one 9-4 arranged in parallel and two planes two 9-5 arranged in parallel. The T-shaped bolt 9 is used for being inserted into a T-shaped groove 10 of the workbench 3 and connected with the fastening fixing seat 2.

As shown in fig. 11, stepped threaded mounting holes 5-1 are formed in two sides of the clamping block 5, a clamping block connecting bolt 6 is installed in the threaded mounting holes 5-1, and the clamping block connecting bolt 6 is used for fixedly connecting the clamping block 5 and the sliding seat 1. The clamping block 5 is rectangular, a plurality of burr protrusions 5-2 are arranged on one side face, far away from the sliding seat, of the rectangular clamping block 5, and the burr protrusions 5-2 are used for clamping blank workpieces.

The working process is as follows:

①, the T-shaped bolt 9 can be inserted into the T-shaped groove 10 of the workbench 3 at any position of the workbench 3, and the T-shaped bolt 10 is rotated to connect and fasten the fixed seat 2;

②, connecting and fastening the clamping block 5 on the sliding seat 1 through the clamping block connecting bolt 6;

③, connecting the sliding seat 1 on the fixed seat 2 through the fastening bolt 4;

④, the fastening bolt 4 is tightened to make the sliding seat 1 move forward on the fixed seat 2 to push the clamping block 5 to clamp the workpiece, and various workpiece clamping can be realized by changing the type of the clamping block 5.

The specific process of inserting the T-shaped bolt 9 into the T-shaped groove 10 of the workbench 3 is as follows:

firstly, as shown in fig. 17, the position where the T-shaped bolt 9 is to be inserted is adjusted; as shown in fig. 18, the reserved length of the threaded connection part 9-1 of the T-shaped bolt 9 is generally greater than the actual required length by 0.5 mm;

secondly, as shown in figure 19, inserting the T-shaped bolt 9 into the T-shaped groove 10;

thirdly, as shown in fig. 20, the T-shaped bolt 9 is rotated until the side wall of the T-shaped bolt 9 contacts with the side wall of the T-shaped groove 10;

example 2:

this example differs from example 1 only in that: as shown in the attached figure 13, one side surface of the rectangular clamping block 5 away from the sliding seat is a smooth plane 5-3, and the smooth plane 5-3 is used for clamping a finished workpiece. Other structures, positional relationships, connection relationships, and working processes are exactly the same as those in embodiment 1.

Example 3:

this example differs from example 1 only in that: as shown in the attached figure 14, a small V-shaped groove 5-4 is formed in the middle of the tightening block 5, the included angle of two side faces of the small V-shaped groove 5-4 is 90 degrees, and the small V-shaped groove 5-4 is used for tightening round rod workpieces. Other structures, positional relationships, connection relationships, and working processes are exactly the same as those in embodiment 1.

Example 4:

this example differs from example 1 only in that: as shown in the attached figures 15 and 16, a large V-shaped groove 5-5 is formed in the middle of the tightening block 5, and the included angle between the two side surfaces of the large V-shaped groove 5-5 is 120 degrees; one side of the large V-shaped groove 5-5 is provided with an inclined surface 5-6, and the large V-shaped groove 5-5 with the inclined surface 5-6 is used for processing the inclined surface of the round bar workpiece. Other structures, positional relationships, connection relationships, and working processes are exactly the same as those in embodiment 1.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A lateral tightening device for flexible precise flat tongs is characterized by comprising a fixed seat, wherein the lower side surface of the fixed seat is provided with a U-shaped groove, a T-shaped bolt is arranged in the U-shaped groove, two sides of the U-shaped groove are respectively provided with a positioning groove, a positioning key is arranged in the positioning groove, and the positioning key is used for positioning and guiding the fixed seat; the side is the slope side on the fixing base, is provided with the slide on the slope side, the downside of slide and the slope side sliding fit of fixing base, and the one end department of slide is provided with the piece that steps up, steps up the piece and is used for fixing on the slide and with the work piece contact, steps up the work piece.

2. The lateral clamping device for the flexible precise flat-nose pliers as claimed in claim 1, wherein the fixed seat is a hollow right-angled trapezoid structure, a first inclined tooth is arranged on the inclined side surface of the fixed seat, a second inclined tooth is arranged on the lower side surface of the sliding seat, and the first inclined tooth is engaged with the second inclined tooth.

3. The lateral clamping device for the flexible precise flat-nose pliers according to claim 1 or 2, wherein the angle between the right-angled side surface and the inclined side surface of the fixed seat is 10-15 °.

4. The lateral clamping device for the flexible precise flat-nose pliers according to claim 3, wherein the inclined side surface of the fixed seat is provided with a fastening bolt hole, a fastening bolt is arranged in the fastening bolt hole, and the fastening bolt is used for connecting the fixed seat and the sliding seat and providing power for the sliding seat during the tightening process to finish the clamping of the workpiece by the clamping block.

5. The lateral clamping device for the flexible precise flat tongs as claimed in claim 4, wherein a step-shaped long hole is formed in the middle of the sliding base, the fastening bolt is arranged in the step-shaped long hole, and the angle between the step surface in the step-shaped long hole and the lower side surface of the sliding base is 10-15 °.

6. The lateral clamping device for the flexible precise flat-nose pliers according to claim 5, wherein the T-shaped bolt is a T-shaped structure consisting of a threaded connection part and a baffle head; the gear head part is of a hexagonal structure consisting of two chamfer surfaces arranged in parallel, two planes I arranged in parallel and two planes II arranged in parallel.

7. The lateral clamping device for the flexible precise flat tongs as claimed in claim 6, wherein stepped threaded mounting holes are formed in two sides of the clamping block, and clamping block connecting bolts are arranged in the threaded mounting holes and used for fixedly connecting the clamping block with the sliding seat.

8. The lateral clamping device for the flexible precise flat tongs as claimed in claim 7, wherein the clamping block is rectangular, and a plurality of burr protrusions are arranged on one side surface of the rectangular clamping block away from the sliding seat and used for clamping blank workpieces; or one side surface of the rectangular clamping block, which is far away from the sliding seat, is a smooth plane, and the smooth plane is used for clamping the finish machining workpiece.

9. The lateral clamping device for the flexible precise flat tongs as claimed in claim 7, wherein a small V-shaped groove is formed in the middle of the clamping block, the included angle between the two side surfaces of the small V-shaped groove is 60-120 degrees, and the small V-shaped groove is used for clamping round rod workpieces.

10. The lateral clamping device for the flexible precise flat tongs according to claim 7, wherein a large V-shaped groove is formed in the middle of the clamping block, and the included angle between the two side surfaces of the large V-shaped groove is 90-150 degrees; one side of the large V-shaped groove is an inclined plane, and the large V-shaped groove on the inclined plane is used for processing the inclined plane of the fastened round rod workpiece.

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