CN223776616U - Sandwich biscuit type modularized flat tongs - Google Patents

Abstract

The utility model discloses sandwich cake dry type modularized flat tongs which comprise two cylindrical pins, wherein the surfaces of the cylindrical pins are movably sleeved with keys, fixed tongs positioned above the keys are movably sleeved on the surfaces of the cylindrical pins, a right guide rail and a left guide rail positioned below the keys are movably sleeved on the surfaces of the cylindrical pins, the outer surfaces of the keys are movably connected with the fixed tongs, the right guide rail is movably connected with the inner surfaces of the left guide rail, guide rail supporting plates are movably arranged at the bottoms of the right guide rail and the left guide rail, and left inner hexagon screws are rotatably arranged at the bottoms of the guide rail supporting plates at equal intervals. This sandwich cake dry-type modularization flat nose pliers, in the in-process of carrying out daily use, operating personnel use cylindric lock and key will fix a mouthful pincers and position on the left guide rail and the right guide rail of base, with left inner hexagonal screw pass the guide rail backup pad with fixing a mouthful pincers and fasten on left guide rail and right guide rail then with the keybar will move mouthful pincers and be located the nut.

Description

Sandwich biscuit type modularized flat tongs

Technical Field

The utility model relates to the technical field of flat tongs, in particular to a sandwich biscuit type modularized flat tongs.

Background

The flat tongs are also called vice for machine, are a general clamp, are commonly used for installing small-sized workpieces, are random accessories of milling machines and drilling machines, are fixed on a machine tool workbench and are used for clamping the workpieces for cutting processing, and mainly comprise a body seat, a movable jaw, a nut, a screw and other components, the working principle is that a screw rod is rotated by a spanner, the screw rod and the nut drive the movable tongs body to move so as to clamp and loosen the workpieces, the flat tongs are widely applied to planing machines, milling machines, drilling machines, grinding machines, slotting machines and other mechanical equipment, the flat tongs have the advantages that the flat tongs are easy to use, the operation is strong, the workpiece with insufficient rigidity can deform during clamping, when the flat tongs are used, attention is required to be paid to the following points, the machined surface of the workpiece must be higher than a jaw, otherwise, the workpiece needs to be raised by a parallel sizing block, in order to prevent the workpiece from loosening during planing, a relatively flat plane must be attached to the sizing block and the jaw, and copper sheets are padded at the jaw during clamping of the workpiece, so that the machined surface is required to be protected, and the sandwich biscuit type modularized flat tongs are required.

When carrying out centre gripping cutting work to the work piece, operating personnel often uses corresponding flat tongs, and even though current flat tongs can realize centre gripping cutting's purpose, is mostly integral type in actual use, inconvenient dismantlement and the installation to it, and stability is not good enough, and long-time use probably makes the precision of work piece processing reduce.

Disclosure of utility model

The utility model aims to provide sandwich cake dry type modularized flat tongs, which are used for solving the problems that when an operator carries out clamping and cutting work on a workpiece, the operator is commonly used for corresponding flat tongs, and the existing flat tongs can realize the purpose of clamping and cutting, but are mostly integrated in the actual use process, are inconvenient to detach and install, have poor stability and can reduce the precision of workpiece processing after long-time use.

The sandwich biscuit type modularized flat tongs comprise two cylindrical pins, keys are movably sleeved on the surfaces of the cylindrical pins, fixed tongs positioned above the keys are movably sleeved on the surfaces of the cylindrical pins, right guide rails and left guide rails positioned below the keys are movably sleeved on the surfaces of the cylindrical pins, the outer surfaces of the keys are movably connected with the fixed tongs, the right guide rails are movably connected with the inner surfaces of the left guide rails, guide rail supporting plates are movably arranged at the bottoms of the right guide rails and the left guide rails, left hexagon socket screws are rotatably arranged at the bottoms of the guide rail supporting plates at equal intervals, and the tops of the left hexagon socket screws penetrate through the guide rail supporting plates, the right guide rails and the cylindrical pins and extend to the interiors of the fixed tongs.

Preferably, a rear baffle is movably arranged on one side of the right guide rail, the left guide rail and the guide rail supporting plate, side inner hexagon screws are rotatably arranged on one side of the rear baffle, the number of the side inner hexagon screws is four, the sizes of the side inner hexagon screws are the same, and one side of the side inner hexagon screws penetrates through the rear baffle and extends to the inside of the right guide rail, the left guide rail and the guide rail supporting plate.

Preferably, the bottom of the guide rail supporting plate is movably provided with a bottom plate, both ends of the inside of the bottom plate are movably provided with bottom pins, the tops of the bottom pins penetrate through the guide rail supporting plate and extend to the inside of the right guide rail and the left guide rail, and the outer surfaces of the bottom pins are movably connected with the inner surfaces of the right guide rail and the left guide rail.

Preferably, the bottom both ends of bottom plate rotate and install lower hexagon socket head cap screw, and the top of lower hexagon socket head cap screw runs through bottom plate and guide rail backup pad and extends to the inside of right guide rail and left guide rail.

Preferably, the screw rod is installed in one side rotation of backplate, the surface screw thread of screw rod has cup jointed the nut, the top movable mounting of nut has the keybar, the top movable mounting of keybar has the dynamic jaw, right hexagon socket screw is installed in the bottom rotation of nut, and the top of right hexagon socket screw runs through the nut and extends to the inside of dynamic jaw.

Preferably, one side of the screw rod penetrates through the rear baffle and extends to the right side of the rear baffle, a lantern ring positioned on the right side of the rear baffle is movably sleeved on the surface of the screw rod, a connecting pin is movably mounted on the surface of the lantern ring, and one end of the connecting pin penetrates through the lantern ring and extends to the inside of the screw rod.

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

The sandwich cake-type modularized flat tongs are characterized in that in the daily use process, an operator uses cylindrical pins and keys to position the fixed tongs on a left guide rail and a right guide rail of a base, then a left inner hexagonal screw penetrates through a guide rail supporting plate to fasten the fixed tongs on the left guide rail and the right guide rail, then a key bar is used for positioning a movable tongs on a nut, a right inner hexagonal screw is used for fastening the movable tongs on the nut, then a side inner hexagonal screw is used for fixing a rear baffle on the end faces of the left guide rail and the right guide rail, then a bottom plate, a guide rail supporting plate, the left guide rail and the right guide rail are positioned by using bottom pins, then the lower inner hexagonal screw is used for fastening the bottom plate, a screw is screwed into the nut, a handle penetrates into the rear baffle, a sleeve ring and a connecting pin are arranged at the tail part of the screw, the rotating screw can drive the nut and the movable tongs to open and close jaws, and vice versa, and the flat tongs can be installed and disassembled.

This sandwich cake dry-type modularization flat tongs, in the in-process of carrying out daily use, the fixed pincers pass through cylindric lock and key, left side hexagon socket head cap screw, the backplate has formed firm frame construction through between side hexagon socket head cap screw and the left guide rail, right side guide rail, the guide rail backup pad, fixed pincers pass through two cylindric locks, the inner chamber width between left guide rail and the right guide rail has been confirmed, provide the assurance for nut sliding gap, simultaneously, the parallelism between left guide rail and the right guide rail has been confirmed through two cylindric locks and two keys to the fixed pincers, for the fixed pincers, constitute stable frame construction between left guide rail and the right guide rail, the backplate has provided the assurance, this mode of operation can improve the stability of flat tongs, and then improve the precision of work piece centre gripping cutting.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a top view of the present utility model;

FIG. 4 is a bottom view of the present utility model;

FIG. 5 is a rear view of the present utility model;

FIG. 6 is a right side view of the present utility model;

Fig. 7 is a left side view of the present utility model.

The device comprises a cylindrical pin, a left inner hexagon screw, a fixed jaw, a movable jaw, a right inner hexagon screw, a 6, a key bar, a 7, a nut, a 8, a side inner hexagon screw, a 9, a rear baffle plate, a 10, a lantern ring, a 11, a screw, a 12, a right guide rail, a 13, a left guide rail, a 14, a bottom pin, a 15, a lower inner hexagon screw, a16, a connecting pin, a 17, a guide rail supporting plate, a 18, a bottom plate, a 19 and a key.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the utility model provides a technical scheme that sandwich biscuit type modularized flat tongs comprise cylindrical pins 1, the number of the cylindrical pins 1 is two, keys 19 are movably sleeved on the surfaces of the cylindrical pins 1, a fixed tongs 3 positioned above the keys 19 is movably sleeved on the surfaces of the cylindrical pins 1, a right guide rail 12 and a left guide rail 13 positioned below the keys 19 are movably sleeved on the surfaces of the cylindrical pins 1, the outer surfaces of the keys 19 are movably connected with the fixed tongs 3, the right guide rail 12 and the inner surfaces of the left guide rail 13, the fixed tongs 3 can be positioned on the left guide rail 13 and the right guide rail 12 of a base through the cylindrical pins 1 and the keys 19, guide rail supporting plates 17 are movably arranged at the bottoms of the right guide rail 12 and the left guide rail 13, left hexagon screws 2 are rotatably arranged at equal distances on the bottoms of the guide rail supporting plates 17, and the tops of the left hexagon screws 2 penetrate through the guide rail supporting plates 17, The right guide rail 12 and the cylindrical pin 1 extend into the fixed-mouth pliers 3, the rear baffle 9 is movably mounted on one side of the right guide rail 12, one side of the left guide rail 13 and one side of the guide rail supporting plate 17, the fixed-mouth pliers 3 form a stable frame structure through the cylindrical pin 1, the key 19 and the left hexagon socket screw 2, the rear baffle 9 forms a stable frame structure with the left guide rail 13, the right guide rail 12 and the guide rail supporting plate 17 through the side hexagon socket screw 8, and meanwhile, the pillow rail limiting surfaces of the left guide rail 13 and the right guide rail 12 on the rear baffle 9, the guide rail supporting plate 17, The space between the bottom plates 18 provides sliding tracks for the nuts 7 and the movable jaws, the fixed jaw 3 determines the width of an inner cavity between the left guide rail 13 and the right guide rail 12 through the two cylindrical pins 1, the sliding clearance of the nuts 7 is ensured, meanwhile, the fixed jaw 3 determines the parallelism between the left guide rail 13 and the right guide rail 12 through the two cylindrical pins 1 and the two keys 19, the stable frame structure is formed between the fixed jaw 3, the left guide rail 13 and the right guide rail 12, the rear baffle 9 and the bottom plates 18, the side hexagon screws 8 are rotatably arranged on one side of the rear baffle 9, the number of the side hexagon screws 8 is four, the side hexagon screws 8 are identical in size, and one side of the side hexagon screws 8 penetrates the rear baffle 9 and extends to the right guide rail 12, The rear baffle 9 is fixedly positioned on the end surfaces of the left guide rail 13 and the right guide rail 12 by the side inner hexagon screws 8 in the left guide rail 13 and the guide rail supporting plate 17, the fixed jaw 3, the movable jaw 4, the left guide rail 13, the right guide rail 12, the guide rail supporting plate 17, the bottom plate 18 and the rear baffle 9 are respectively made of profile steel, most of casting and forging die investment is saved, the profile steel material is cut and fed, and finally, the profile steel material is mechanically processed by a milling machine, a drilling machine, a grinding machine and the like, and finally, the assembly, the debugging, the detection, the assembly and the detection are carried out, The product is packaged, the initial precision of the profile steel is high, the surface machining allowance of most parts is smaller than 0.3mm, the machining cost is reduced, the material utilization rate is improved, the variety of the profile steel materials is rich, different materials are selected, different heat treatments are carried out, products with different grades can be produced under the condition of not changing the drawing size, when the main parameters of the product need to be changed, if the opening degree is enlarged, the product can be realized by only lengthening the size of 3-4 parts, the problems that the main structural part of the original flat tongs is composed of steel parts, the die needs to be opened for manufacturing, the die investment cost is high and the period is long are solved, when the main parameters of the product change, the die needs to be opened again for production, the investment cost is high and the period is long, and when the main structural part of the tongs is a forging casting, the blank machining allowance is large, labor is wasted, the main structural part of the tongs is cast, the method has the advantages of time-consuming, easy casting and forging defects in the production process of the parts, material cost increase, complex main structural parts of the pliers body, easy defect generation during heat treatment quenching, complex structural parts, difficult clamping during machining, increased complexity coefficients of the clamp and the cutter, increased cost and the like.

The bottom of the guide rail supporting plate 17 is movably provided with a bottom plate 18, and the establishment of the guide rail supporting plate 17 provides a sliding surface for the inverted T-shaped nut 7 on the inner side of the clamp body; simultaneously, a clamping surface is provided for the outer sides of the bottom plate 18 and the clamp body, bottom pins 14 are movably arranged at the two ends of the inner part of the bottom plate 18, the top of each bottom pin 14 penetrates through a guide rail supporting plate 17 and extends to the inner parts of the right guide rail 12 and the left guide rail 13, the outer surfaces of the bottom pins 14 are movably connected with the inner surfaces of the right guide rail 12 and the left guide rail 13, lower inner hexagon screws 15 are rotatably arranged at the two ends of the bottom plate 18, the top of each lower inner hexagon screw 15 penetrates through the bottom plate 18 and the guide rail supporting plate 17 and extends to the inner parts of the right guide rail 12 and the left guide rail 13, the bottom pins 14 position the bottom plate 18, the guide rail supporting plate 17, the left guide rail 13 and the right guide rail 12, the left inner hexagon screws 2, the right inner hexagon screws 5, the side inner hexagon screws 8 and the lower inner hexagon screws 15 are all in an elongated inverted T-shaped hollow structure, effectively inhibits the eversion of a movable jaw, a screw rod 11 is rotatably arranged on one side of a rear baffle 9, a nut 7 is sleeved on the surface thread of the screw rod 11, the screw rod 11 can drive the nut 7 to slide when rotating, a key bar 6 is movably arranged at the top of the nut 7, the key bar 6 can be driven to slide when sliding by the nut 7, a movable jaw clamp 4 is movably arranged at the top of the key bar 6, a right inner hexagon screw 5 is rotatably arranged at the bottom of the nut 7, the top of the right inner hexagon screw 5 penetrates the nut 7 and extends to the inside of the movable jaw clamp 4, the fixed jaw clamp 3, the movable jaw clamp 4 and the mounting screws of a right guide rail 12 and a left guide rail 13 are all positioned at the bottom of a clamp body, the screws cannot be seen on the upper surface, the defects of accumulated chips in a screw counter bore are avoided, the environment-friendly requirement is met, the key strip 6 can drive the movable jaw 4 to slide when sliding, the rotary screw 11 can drive the nut 7 and the movable jaw 4, jaw opening and closing are achieved, the lengths of the left guide rail 13, the right guide rail 12 and the screw 11 are changed, the maximum opening degree of the modularized steel combined type flat tongs for the machine can be changed, the steel dimensions of the fixed jaw 3 and the movable jaw 4 are changed, the jaw depth of the modularized steel combined type flat tongs for the machine can be changed, one side of the screw 11 penetrates through the rear baffle 9 and extends to the right side of the rear baffle 9, the surface of the screw 11 is movably sleeved with the lantern ring 10 positioned on the right side of the rear baffle 9, the lantern ring 10 can drive the screw 11 to rotate when rotating, the surface of the lantern ring 10 is movably provided with the connecting pin 16, one end of the connecting pin 16 penetrates through the lantern ring 10 and extends to the inside of the screw 11, and the connection between the lantern ring 10 and the screw 11 is tighter due to the design of the connecting pin 16.

The operating principle is that an operator uses a cylindrical pin 1 and a key to position the fixed jaw 3 on a left guide rail 13 and a right guide rail 12 of a base, then a left inner hexagon screw 2 penetrates through a guide rail supporting plate 17 to fasten the fixed jaw 3 on the left guide rail 13 and the right guide rail 12, then a key bar 6 is used for positioning a movable jaw 4 on a nut 7, a right inner hexagon screw 5 is used for fastening the movable jaw 4 on the nut 7, then a side inner hexagon screw 8 is used for fixing a rear baffle 9 on the end surfaces of the left guide rail 13 and the right guide rail 12, then a bottom plate 18, a guide rail supporting plate 17, the left guide rail 13 and the right guide rail 12 are positioned, then a lower inner hexagon screw 15 is used for fastening together, a screw 11 is screwed into the nut 7, a handle penetrates into the rear baffle 9, a lantern ring 10 and a connecting pin 16 are arranged at the tail part of the screw 11, and then the screw 11 can drive the nut 7 and the movable jaw 4 to realize jaw opening and closing, and the flat jaw can be installed and used.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The sandwich biscuit type modularized flat tongs comprise cylindrical pins (1) and are characterized in that the number of the cylindrical pins (1) is two, keys (19) are movably sleeved on the surfaces of the cylindrical pins (1), fixed-mouth tongs (3) located above the keys (19) are movably sleeved on the surfaces of the cylindrical pins (1), right guide rails (12) and left guide rails (13) located below the keys (19) are movably sleeved on the surfaces of the keys (19), the outer surfaces of the fixed-mouth tongs (3), the right guide rails (12) and the inner surfaces of the left guide rails (13) are movably connected, guide rail supporting plates (17) are movably mounted at the bottoms of the right guide rails (12) and the left guide rails (13), left inner hexagon screws (2) are rotatably mounted at the bottoms of the guide rail supporting plates (17) in an equidistant mode, and the tops of the left inner hexagon screws (2) penetrate through the guide rail supporting plates (17), the right guide rails (12) and the cylindrical pins (1) and extend to the interiors of the fixed-mouth tongs (3).

2. The sandwich biscuit type modularized flat tongs according to claim 1, wherein a rear baffle plate (9) is movably arranged on one side of the right guide rail (12), one side of the left guide rail (13) and one side of the guide rail supporting plate (17), side inner hexagon screws (8) are rotatably arranged on one side of the rear baffle plate (9), the number of the side inner hexagon screws (8) is four, the side inner hexagon screws (8) are the same in size, and one side of the side inner hexagon screws (8) penetrates through the rear baffle plate (9) and extends into the right guide rail (12), the left guide rail (13) and the inside of the guide rail supporting plate (17).

3. The sandwich biscuit type modularized flat tongs as set forth in claim 1, wherein a bottom plate (18) is movably arranged at the bottom of the guide rail supporting plate (17), a bottom pin (14) is movably arranged at both inner ends of the bottom plate (18), the top of the bottom pin (14) penetrates through the guide rail supporting plate (17) and extends into the right guide rail (12) and the left guide rail (13), and the outer surface of the bottom pin (14) is movably connected with the inner surfaces of the right guide rail (12) and the left guide rail (13).

4. The sandwich cake dry type modularized flat tongs as claimed in claim 3, wherein lower inner hexagon screws (15) are rotatably arranged at two ends of the bottom plate (18), and the tops of the lower inner hexagon screws (15) penetrate through the bottom plate (18) and the guide rail supporting plate (17) and extend into the right guide rail (12) and the left guide rail (13).

5. The sandwich biscuit type modularized flat tongs as set forth in claim 2, wherein a screw (11) is rotatably mounted on one side of the rear baffle (9), a nut (7) is sleeved on the surface thread of the screw (11), a key bar (6) is movably mounted on the top of the nut (7), a movable tongs (4) is movably mounted on the top of the key bar (6), a right hexagon socket head cap screw (5) is rotatably mounted on the bottom of the nut (7), and the top of the right hexagon socket head cap screw (5) penetrates through the nut (7) and extends into the movable tongs (4).

6. The sandwich biscuit type modularized flat tongs according to claim 5, wherein one side of the screw rod (11) penetrates through the rear baffle plate (9) and extends to the right side of the rear baffle plate (9), a sleeve ring (10) positioned on the right side of the rear baffle plate (9) is movably sleeved on the surface of the screw rod (11), a connecting pin (16) is movably mounted on the surface of the sleeve ring (10), and one end of the connecting pin (16) penetrates through the sleeve ring (10) and extends to the inside of the screw rod (11).