CN215393850U

CN215393850U - Precision positioning flat tongs

Info

Publication number: CN215393850U
Application number: CN202121080726.2U
Authority: CN
Inventors: 谢先能; 王大专
Original assignee: Shenzhen Aoshun Precision Technology Co ltd
Current assignee: Shenzhen Aoshun Precision Technology Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2022-01-04
Anticipated expiration: 2031-05-19

Abstract

The utility model relates to a precision positioning flat tongs, which comprises a base, wherein a right clamping block extends upwards from the right end of the base, a clamping groove is formed in the upper surface of the base, a base through hole is formed in the right end surface of the base, a rotating shaft inserted into the clamping groove is arranged in the base, a left clamping block which is sleeved on the rotating shaft and is in transmission connection with the rotating shaft is arranged in the clamping groove in a matching and sliding mode, the clamping groove comprises a sliding portion and a clamping portion, the sliding portion is arranged in the clamping groove in a matching and sliding mode, a first threaded through hole is formed in the left side of the top of the sliding portion, the clamping portion is located on the right side of the top of the sliding portion, a second threaded through hole is formed in the top of the sliding portion, a third threaded through hole corresponding to the sliding portion is formed in the sliding portion, two fourth threaded through holes are formed in the left end surface of the clamping portion, and two fifth threaded through holes corresponding to the right clamping block are formed in the right clamping block. The utility model discloses a simple structure, the equipment of easily producing is inserted the bolt in a plurality of screw through-holes and is fixed a position, and the location is more accurate, facilitates the use.

Description

Precision positioning flat tongs

Technical Field

The utility model relates to a tool clamp, in particular to a precision positioning flat tongs.

Background

A flat-nose pliers, also known as a machine vice, is a universal fixture used for clamping workpieces, is arranged on a workbench, is used for clamping and stably processing the workpieces, and is a necessary tool for a fitter workshop. However, the existing flat tongs can cause the fixing conditions of infirm fixation and non-parallel fixation in the using process, are not beneficial to efficient and quick production, and have less auxiliary positioning design and inaccurate positioning.

SUMMERY OF THE UTILITY MODEL

Aiming at the existing defects, the utility model provides a pair of precision positioning flat tongs.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a pair of precision positioning flat tongs comprises a base which can be installed on a workbench, wherein a right clamping block protruding out of the upper surface of the base extends upwards from the right end of the base, a clamping groove extending from the left end to the right clamping block is formed in the upper surface of the base, the section of the clamping groove is in a convex structure, a base through hole communicated with the clamping groove is formed in the right end surface of the base, a rotating shaft inserted into the clamping groove is arranged in the base through hole, a left clamping block sleeved on the rotating shaft and in transmission connection with the rotating shaft is arranged in the clamping groove in a matching and sliding mode, a clamping block through hole with the rotating shaft matched and inserted is formed in the left clamping block, the left clamping block comprises a sliding portion and a clamping portion which are integrally formed, the sliding portion is arranged in the clamping groove in a matching and sliding mode, the clamping block through hole is formed in the sliding portion, a first threaded through hole communicated with the clamping block through hole is formed in the left side of the top of the sliding portion, the clamping portion is in a square structure, and the length of the clamping portion is smaller than the length of the sliding portion and larger than the opening width of the clamping groove, the clamping part is located the right side at sliding part top and the bottom surface of clamping part can support and press the upper surface at the base, the top of clamping part is provided with second screw thread through-hole, the top of sliding part still is provided with the third screw thread through-hole corresponding with second screw thread through-hole and that switch on mutually with the clamp splice through-hole, the left end face of clamping part is provided with two fourth screw thread through-holes that are located both sides around the second screw thread through-hole, be provided with two corresponding fifth screw thread through-holes with two fourth screw thread through-holes on the clamp splice of the right side.

Preferably, the bottom of the base is provided with a connecting piece for mounting the base on the workbench.

Preferably, the number of the second threaded through holes is two, and the second threaded through holes are respectively arranged on the left side and the right side of the top of the clamping portion, and the number of the third threaded through holes is also two.

Preferably, a slit is provided between the clamping portion and the sliding portion, the slit having a rounded vertex angle and penetrating the front and rear ends of the clamping portion, and the second threaded through hole is provided at a position of the clamping portion corresponding to the slit.

Preferably, the slit is provided with a concave part with an arc-shaped cross section, which is concave towards the clamping part corresponding to the round corner on one side of the clamping part.

Preferably, the width of the clamping part and the width of the right clamping block are both the same as the width of the base.

The utility model has the beneficial effects that: the utility model discloses a simple structure, the equipment of easily producing, through setting up a plurality of screw thread through-holes, then utilize the bolt to fix a position, it is first to utilize, the second, the third screw thread through-hole is fixed with left clamp splice also be exactly the activity pincers of flat-nose pliers in vertical direction, utilize the fourth simultaneously, fifth screw thread through-hole is fixed left clamp splice in horizontal plane X axle ascending position, and utilize spout and pivot just to fix left clamp splice in the position of horizontal plane Y axle orientation, it fixes a position just to insert the bolt in a plurality of screw thread through-holes during the use, it is more accurate to fix a position, high in stability, high accuracy, more be favorable to high-efficient quick production of fixing a position.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic side view of an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of A in FIG. 2 according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a base according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a left clamp block according to an embodiment of the present invention;

FIG. 6 is an exploded view of an embodiment of the present invention;

part names and serial numbers in the figure: 1-base 10-clamping groove 11-base through hole 2-right clamping block 20-fifth threaded through hole 3-rotating shaft 4-left clamping block 40-clamping block through hole 41-sliding part 42-clamping part 410-first threaded through hole 420-second threaded through hole 421-fourth threaded through hole 5-connecting piece 6-slit 60-depressed part.

Detailed Description

For the purpose of more clearly illustrating the objects, technical solutions and advantages of the embodiments of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments, for clear and complete description, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention. In addition, directional terms used in the present invention, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., refer to directions only as shown in the attached drawings, and are used for better and clearer explanation and understanding of the present invention, and do not indicate or imply orientation which the present invention must have, and thus, should not be construed as limiting the present invention.

Embodiments of the present invention as shown in fig. 1 to 6, a precision positioning flat tongs comprises a base 1 capable of being installed on a workbench, the base 1 can be installed on the workbench by using the existing method, such as a clamping structure, a connecting member 5 for installing the base 1 on the workbench is arranged at the bottom of the base 1, the base 1 is clamped on the workbench by the connecting member 5, the adjustment and installation of the base 1 are convenient, the base can be installed on different workbenches by arranging different connecting members 5, the use is convenient, the top of the connecting member can be arranged into a plane with a larger surface, then the base 1 is connected by clamping or other connecting structures, the base 1 is better supported, the bottom can adopt different structures according to different connecting modes, such as a clamping structure using grooves and blocks, a thread connecting structure using screws for fixing, and the like, the right end of the base 1 extends upwards to form a right clamping block 2 protruding out of the upper surface of the base 1, the right clamping block 2 extends from the base 1, is integrated with the base 1 and is fixed relative to the base 1 to form a fixed clamp of the flat tongs, the right clamping block 2 extends upwards along the end surface of the right end of the base 1, the position of the right clamping block is higher than the height of the upper surface of the base 1, the upper surface of the base 1 is provided with a clamping groove 10 extending from the left end to the right clamping block 2, namely the clamping groove 10 is in the left-right direction, the port of the right end corresponds to the position of the right clamping block 2, namely the clamping groove 10 does not penetrate through the left end and the right end of the base 1, the section of the clamping groove 10 is in a convex structure, so that a part sliding in the clamping groove 10 cannot fall off from the clamping groove 10, meanwhile, the groove wall of the clamping groove 10 also positions the part sliding in the clamping groove, the right end surface of the base 1 is provided with a base through hole 11 communicated with the clamping groove 10, the rotating shaft 3 inserted into the clamping groove 10 is arranged in the base through hole 11, namely, the part of the rotating shaft 3 is arranged outside the base 1, the rotating shaft 3 passes through the base through hole 11 and then is inserted into the clamping groove 10, at the moment, the axial lead of the base through hole 11 and the axial lead of the clamping groove 10 are on the same axial line, the clamping groove 10 is internally matched and slidably provided with a left clamping block 4 which is sleeved on the rotating shaft 3 and is in transmission connection with the rotating shaft 3, the left clamping block 4 is provided with a clamping block through hole 40 through which the rotating shaft 3 is matched and inserted, namely, the left clamping block 4 is sleeved on the rotating shaft 3 through the clamping block through hole 40, the rotating shaft 3 drives the left clamping block 4 to slide in the clamping groove 10 when rotating, the left clamping block 4 is matched and slidably arranged in the clamping groove 10, which means that the width of the left clamping block 4 is equivalent to the width of the clamping groove 10, the linear sliding is ensured through the rotating shaft 3 and the groove wall of the clamping groove 10 in the sliding process, the left clamping block 4 comprises an integrally formed sliding part 41 and a clamping part 42, the sliding part 41 is slidably arranged in the clamping groove 10 in a matching manner, which means that the sliding part 41 is in a convex structure matched with the shape and size of the clamping groove 10, the clamping block through hole 40 is arranged on the sliding part 41, the left side of the top of the sliding part 41 is provided with a first threaded through hole 410 communicated with the clamping block through hole 40, after the left clamping block 4 slides to a specified position, the left clamping block 4 can be positioned by arranging a bolt in the first threaded through hole 410 to avoid continuous sliding, the axial line of the first threaded through hole 410 is perpendicular to the axial line of the rotating shaft 3 and is positioned on the same vertical plane, the clamping part 42 is in a square structure, the length of the clamping part is smaller than the length and the width of the sliding part 41 and is larger than the opening width of the clamping groove 10, the square structure means that several surfaces of the clamping part are planes, when an object is clamped, a larger contact surface can be provided with the clamped object, and the clamping is firmer, the clamping portion 42 is located on the right side of the top of the sliding portion 41, and the bottom surface of the clamping portion 42 can press against the upper surface of the base 1, at this time, the top of the sliding portion 41 from left to right is the first threaded through hole 410 and the clamping portion 42, and the width of the clamping portion 42 is greater than the opening width of the slot 10, which means that the front and rear sides of the bottom surface of the clamping portion 42 correspond to the end surface of the opening end of the slot 10, and can press against the end surface of the opening end of the slot 10 when being pressed down, that is, the upper surface of the base 1, the top of the clamping portion 42 is provided with the second threaded through hole 420, the top of the sliding portion 41 is further provided with a third threaded through hole (not labeled in the drawing) corresponding to the second threaded through hole 420 and communicating with the clamping block through hole 40, and at this time, the sliding of the left clamping block 4 is positioned by sequentially passing through the second threaded through hole 420 and the third threaded through hole by the bolt, the second threaded through hole 420 and the third threaded through hole are coaxial, the axial lines of the second threaded through hole 420 and the third threaded through hole are also perpendicular to the axial line of the rotating shaft 3, the axial line of the first threaded through hole 410, the axial lines of the second threaded through hole 420 and the third threaded through hole, and the axial line of the rotating shaft 3 are all in the same vertical plane, two fourth threaded through holes 421 located at the front and rear sides of the second threaded through hole 420 are arranged on the left end surface of the clamping part 42, two fifth threaded through holes 20 corresponding to the two fourth threaded through holes 421 are arranged on the right clamping block 2, the axial lines of the fourth threaded through holes 421 and the fifth threaded through holes 20 are coaxial, and bolts are also sequentially passed through the fourth threaded through holes 421 and the fifth threaded through holes 20 to position the sliding of the left clamping block 4 and tighten the clamped object, so that the positioning is performed by the bolts through the arranged plurality of threaded through holes, first, the second, the third screw through hole is fixed with left clamp splice 4 also namely the activity pincers of flat-nose pliers in vertical direction, fourth, fifth screw through hole fixes left clamp splice 4 in horizontal plane X axle ascending position, and utilize spout 10 and pivot 3 just to fix left clamp splice 4 in the position of horizontal plane Y axle orientation, the rotation through pivot 3 provides power for the slip of left clamp splice 4, during the use just insert the bolt in a plurality of screw through holes and fix a position, it is more accurate to fix a position, high stability, high accuracy, more be favorable to high-efficient quick production of fixing a position.

In a further modification, as shown in fig. 1, 5 and 6, two second threaded through holes 420 are provided, and are respectively provided at the left side and the right side of the top of the clamping portion 42, and two third threaded through holes are also provided, so that the left clamping block can be better positioned and prevented from rotating. As shown in fig. 2 and 3, a slit 6 is provided between the clamping portion 42 and the sliding portion 41, the top angle of the slit between the clamping portion 42 and the sliding portion 41 is rounded, and the slit 6 penetrates the front and rear ends of the clamping portion 42, the second threaded through hole 420 is provided at a position where the clamping portion 42 corresponds to the slit 6, that is, the clamping portion 42 and the sliding portion 41 are divided by the slit 6, the corresponding portions of the clamping portion 42, the base 1 and the sliding portion 41 serve as two side walls of the slit 6, the second threaded through hole 420 is correspondingly provided at the position, and when two second threaded through holes 420 are provided, the slits 6 are provided at both left and right sides of the clamping portion 42, so that when the clamping portion 42 is pressed against the upper surface of the base 1, the left and right side portions thereof buffer the force applied, maintain the positioning stability, buffer the clamping force and buffer the vibration applied during the post-positioning process, the looseness of the positioning and clamping is avoided. The circular angle of the slit 6 corresponding to one side of the clamping part 42 is provided with a concave part 60 with an arc-shaped cross section, which is concave towards the clamping part 42, so that the elasticity of the clamping part 42 is enhanced, the stress can be better buffered, and the arc is preferably in a major arc shape and has better elasticity.

In a further improvement, the width of the clamping part 42 and the width of the right clamping block 2 are the same as that of the base 1, so that better clamping can be ensured when an article is clamped, and the clamping is more stable and firm.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a precision positioning flat tongs which characterized in that: the clamping device comprises a base which can be installed on a workbench, wherein a right clamping block protruding out of the upper surface of the base extends upwards from the right end of the base, a clamping groove extending from the left end to the right clamping block is formed in the upper surface of the base, a base through hole communicated with the clamping groove is formed in the right end surface of the base, a rotating shaft inserted into the clamping groove is arranged in the base through hole, a left clamping block sleeved on the rotating shaft and in transmission connection with the rotating shaft is arranged in the clamping groove in a matched and sliding mode, a clamping block through hole matched and inserted with the rotating shaft is formed in the left clamping block, the left clamping block comprises an integrally formed sliding portion and a clamping portion, the sliding portion is arranged in the clamping groove in a matched and sliding mode, the clamping block through hole is formed in the sliding portion, a first threaded through hole communicated with the clamping block through hole is formed in the left side of the top of the sliding portion, the clamping portion is of a square structure, and the length and the width of the clamping portion is smaller than the width of the opening of the clamping groove, the clamping part is located the right side at sliding part top and the bottom surface of clamping part can support and press the upper surface at the base, the top of clamping part is provided with second screw thread through-hole, the top of sliding part still is provided with the third screw thread through-hole corresponding with second screw thread through-hole and that switch on mutually with the clamp splice through-hole, the left end face of clamping part is provided with two fourth screw thread through-holes that are located both sides around the second screw thread through-hole, be provided with two corresponding fifth screw thread through-holes with two fourth screw thread through-holes on the clamp splice of the right side.

2. The precision positioning flat tongs as claimed in claim 1, wherein the base has a bottom provided with a connecting member for mounting the base on the work table.

3. The precision positioning flat tongs according to claim 1, wherein the second threaded through holes are provided in two numbers, respectively provided on the left and right sides of the top of the clamping portion, and the third threaded through holes are also provided in two numbers.

4. The precision positioning flat tongs according to claim 1, wherein a slit is provided between the clamping part and the sliding part, the slit having rounded vertex angles and penetrating the front and rear ends of the clamping part, and the second threaded through hole is provided at a position of the clamping part corresponding to the slit.

5. The precision positioning flat tongs according to claim 4, wherein the slit has a recessed portion with an arc-shaped cross section recessed toward the gripping portion at a corner corresponding to one side of the gripping portion.

6. The precision positioning flat tongs according to claim 1, wherein the cross section of the clamping groove is in a convex structure.

7. The precision positioning flat tongs according to claim 1 is characterized in that the width of the gripping part and the width of the right clamping block are both the same as the width of the base.