CN219465469U

CN219465469U - Centering flat tongs for precision parts

Info

Publication number: CN219465469U
Application number: CN202320490120.9U
Authority: CN
Inventors: 郭际; 梁世东; 苏新光
Original assignee: Shenzhen Hongshenghai Precision Parts Co ltd
Current assignee: Shenzhen Hongshenghai Precision Parts Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-08-04
Anticipated expiration: 2033-03-15

Abstract

The utility model provides a centering flat tongs for precision parts, and relates to the technical field of clamping jigs. The flat nose pliers comprise a base, a lower sliding block and an inlay, wherein a sliding rail is fixedly connected above the inlay, a movable clamp is in sliding connection with the sliding rail, side threads of a threaded rod are connected above the inlay, clamping plates are arranged on the side walls of the fixed clamp and the movable clamp, a sliding groove is formed in the bottom of the inlay, an upper sliding block positioned in the sliding groove is fixedly connected above the lower sliding block, after a part is clamped and fixed by the flat nose pliers in the prior art, the machining angle of the part cannot be adjusted in the machining process, the upper inlay is driven to swing left and right when the lower sliding block slides in a sliding cavity above the base, the machining position and the machining angle of the part above the inlay can be adjusted after the inlay slides and rotates above the upper sliding block through the sliding groove, the part does not need to be assembled and disassembled for multiple times, and the machining efficiency of the part is improved.

Description

Centering flat tongs for precision parts

Technical Field

The utility model relates to the technical field of clamping fixtures, in particular to a centering flat tongs for precision parts.

Background

At present, a platform clamp used above a milling machine, a planing machine, a boring machine, a grinding machine and the like is mainly composed of a movable jaw and a fixed jaw, and the opposite surfaces of the two jaws are plane surfaces and parallel to each other.

The prior art has the following publication numbers: the Chinese patent of CN203197621U relates to a bidirectional self-centering flat tongs, which is fixedly arranged on any one of two first tongs through a second screw rod mounting seat, and is provided with a second screw rod axially arranged along a second direction; the second clamp pair is arranged on the second screw rod and comprises two second clamps which are oppositely arranged, the two second clamps can be driven by the second screw rod to move relatively, clamping or loosening along the second direction is achieved, the novel flat-nose pliers are stable and reliable in clamping, particularly for parts with center symmetry requirements, the design standard, the process standard and the machining standard can be completely unified, and the quality of the parts is effectively guaranteed.

However, after the flat tongs clamp and fix the part, the direction of the part in the processing process is fixed, the processing angle of the part cannot be adjusted in the processing process, and the part needs to be clamped and fixed again, so that the processing efficiency of the part is affected.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a centering flat tongs for precision parts, which aims to solve the problems.

The utility model discloses a centering flat tongs for precision parts, which is characterized by comprising the following specific technical means: the utility model provides a centering flat nose pliers of precision parts, includes base, slider and inlay, slider sliding connection is in the top of base down, the inlay sets up the top at the slider down, inlay left side top fixedly connected with fixed pincers, inlay right side top is provided with the removal pincers, the smooth chamber has been seted up to the base top, slider and smooth chamber sliding connection down, inlay top fixedly connected with slide rail, removal pincers and slide rail sliding connection, be provided with the threaded rod on the removal pincers lateral wall, threaded rod side threaded connection is in the side top of inlay, all be provided with splint on fixed pincers and the removal pincers lateral wall, the spout has been seted up to the inlay bottom, slider top fixedly connected with is located the last slider of spout down.

Preferably, the sliding cavity and the lower sliding block are arranged in a semicircular shape, a limiting groove is formed in the side wall of the sliding cavity, and clamping blocks located in the limiting groove are fixedly connected to two sides of the bottom of the lower sliding block.

Preferably, the fixture block is slidably connected in the limiting groove, and a first fixing screw is connected to the side wall of the limiting groove in a threaded manner.

Preferably, the upper slider is in sliding connection with the sliding groove, a positioning groove is formed in the side wall of the upper slider, and a second fixing screw rod corresponding to the positioning groove is connected to the side wall of the inlay in a threaded manner.

Preferably, the positioning groove is provided with a plurality of positioning grooves which are arranged in sequence.

Preferably, clamping grooves are formed in the side walls of the fixed clamp and the movable clamp, and clamping sleeves corresponding to the clamping grooves are fixedly connected to the side walls of the clamping plates.

Preferably, the clamping sleeve is clamped in the clamping groove, and the side walls of the fixed clamp and the movable clamp are respectively connected with a third fixing screw rod corresponding to the clamping sleeve in a threaded manner.

Preferably, the side end of the third fixing screw rod extends into the clamping groove to be in threaded connection with the clamping sleeve.

The beneficial effects are that:

1. through installing the part in inlay top back, lower slider and smooth chamber are the semicircle form setting, drive the processing angle of top inlay horizontal hunting regulation part when making its lower slider slide in the smooth intracavity in base top, it is spacing to extend to the side end in the smooth intracavity and support it on lower slider lateral wall, the inlay supports in the spout through the upper slider of lower slider top, the inlay passes through the spout and slides rotatory regulation position back in upper slider top, through shifting into the second dead screw and extend the side end to the spout in support the constant head tank internal fixation who corresponds on the upper slider lateral wall, make its part install the processing position and the angle of inlay top all can be adjusted, the part need not dismouting clamping many times, the machining efficiency of part has been improved.

2. Through can dismantle the joint for splint on fixed pincers and removal pincers lateral wall, make it carry out the centre gripping with the smoother part of outward appearance fixed, can change the splint of smooth surface and carry out the centre gripping fixed with the part on fixed pincers and removal pincers lateral wall, make its part by the centre gripping processing difficult influence caused by fish tail mar etc. often, improved the practicality of inlay.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the front cross-sectional structure of the present utility model.

FIG. 3 is a schematic view of a base structure according to the present utility model.

Fig. 4 is a schematic view of the structure of the clamping plate in the utility model.

In fig. 1 to 4, the correspondence between the component names and the reference numerals is: the clamping device comprises a base-1, a sliding cavity-2, a limiting groove-21, a lower sliding block-3, a clamping block-31, a first fixing screw-32, a clamp body-4, a sliding rail-41, a threaded rod-5, a moving clamp-51, a clamping plate-6, a clamping sleeve-61, a clamping groove-62, an upper sliding block-7, a locating groove-71, a sliding groove-8 and a second fixing screw-81.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

As shown in fig. 1 to 4: the utility model provides a centering flat tongs of precision parts, including base 1, slider 3 and inlay 4, slider 3 sliding connection is in the top of base 1 down, inlay 4 installs in the top of slider 3 down, support inlay 4 spacing in the top of base 1 through slider 3 down, slide chamber 2 has been seted up to base 1 top, slider 3 and slide chamber 2 sliding connection, make its slider 3 drive top inlay 4 horizontal hunting when sliding in slide chamber 2, make its inlay 4 with the processing angle that can adjust when processing including installing, inlay 4 top fixed mounting has slide rail 41, slide rail 41 left side top fixed mounting has the fixed pincers, make its part by fixed pincers and moving pincers 51 centre gripping between after the part centre gripping on slide rail 41, inlay 1 right side top threaded connection has threaded rod 5, it is connected on moving pincers 51 lateral wall to rotate threaded rod 5 promotion moving pincers 51 and slide clamp slide pincers 41 top with the part through fixed pincers 6, install the fixed pincers on the slide groove 8 in the side wall of slide groove, the practicality is improved, can be adjusted in the slide groove 8 and the side wall is located at the side of slide groove 8 in the side of slide groove 1, the side wall is fixed through slider 4 top fixed mounting has the fixed pincers 51, make its part be fixed pincers 51 after the part centre gripping on slide rail 41, the side wall is fixed pincers 6.

As shown in fig. 1 to 4: the sliding cavity 2 and the lower sliding block 3 are arranged in a semicircular arc shape, the upper inlay 4 is supported by the lower sliding block 3 clamped in the sliding cavity 2, the side wall of the sliding cavity 2 is provided with a limit groove 21, two sides of the bottom of the lower sliding block 3 are fixedly connected with clamping blocks 31 positioned in the limit groove 21, the clamping blocks 31 are slidably connected in the limit groove 21, when the lower sliding block 3 slides in the sliding cavity 2 to drive the upper inlay 4 to swing left and right, the clamping blocks 31 at the bottom of the lower sliding block 3 prop against the limit groove 21, the lower sliding block 3 is limited by the clamping blocks 31, so that the lower sliding block 3 cannot fall off from the upper side of the base 1 when sliding in the sliding cavity 2, the side wall of the limit groove 21 is connected with a first fixing screw 32 in a threaded manner, the side end of the first fixing screw 32 extends into the sliding cavity 2 through the limit groove 21, so that the lower sliding block 3 slides in the sliding cavity 2 to adjust the supporting angle of the inlay 4, the first fixing screw 32 is turned to abut against the side wall of the lower slide block 3, the lower slide block 3 is limited in the sliding cavity 2 to fix the inlay 4, so that the loosening does not occur after the processing angle of the part mounted above the inlay 4 is adjusted, the upper slide block 7 is in sliding connection with the sliding groove 8 to limit the inlay 4 through the clamping of the upper slide block 7 in the sliding groove 8, the side wall of the upper slide block 7 is provided with a positioning groove 71, the side wall of the inlay 4 is in threaded connection with a second fixing screw 81 corresponding to the positioning groove 71, the positioning groove 71 is provided with a plurality of sequentially arranged sliding grooves 8 at the bottom of the inlay 4, after the mounting position of the part is adjusted by sliding rotation on the upper slide block 7, the side end of the second fixing screw 81 is turned to extend into the corresponding positioning groove 71 in the sliding groove 8 to clamp the side wall of the upper slide block 7, so that the part is limited after the inlay 4 rotates, the processing efficiency of the parts is improved.

As shown in fig. 1 to 4: clamping grooves 62 are formed in the side walls of the fixed clamp and the movable clamp 51, clamping sleeves 61 corresponding to the clamping grooves 62 are fixedly connected to the side walls of the clamping plates 6, the clamping sleeves 61 are clamped in the clamping grooves 62, the clamping plates 6 are limited on the outer walls of the fixed clamp and the movable clamp 51 through the clamping sleeves 61, third fixing screws corresponding to the clamping sleeves 61 are connected to the side walls of the fixed clamp and the movable clamp 51 through threads, the side ends of the third fixing screws extend into the clamping grooves 62 and are in threaded connection with the clamping sleeves 61, the clamping plates 6 are arranged in a plurality of smooth surfaces and rough surfaces in different types through the clamping plates 6, the clamping plates 6 of different types are removed, the clamping plates 6 of different types are replaced on the outer walls of the fixed clamp and the movable clamp 51, so that when the parts of parts with smooth outer walls are clamped and fixed above the inlay 4, the parts are clamped and fixed on the outer walls of the fixed clamp and the movable clamp 51 through the clamping plates 6 with smooth surfaces, and scratch damage is not easy to occur on the outer walls in the part clamping and processing process.

Working principle: when a part is arranged above the inlay 4, the clamping sleeve 61 at the side end of the clamping plate 6 is clamped into the clamping groove 62, the clamping sleeve 61 is fixed in the clamping groove 62 by rotating the third fixing screw rod, the moving clamp 51 is pushed to move on the sliding rail 41 through the rotating threaded rod 5, the part is clamped between the fixing clamp and the moving clamp 51, the clamping plate 6 is attached to the outer wall of the part to limit the part, when the lower sliding block 3 slides in the sliding cavity 2 above the base 1, the clamping block 31 at the bottom of the lower sliding block 3 limits the part when sliding in the limiting groove 21, the lower sliding block 3 drives the upper inlay 4 to swing left and right to adjust the processing angle of the part when sliding, the first fixing screw rod 32 is rotated, the side end of the first fixing screw rod 72 extends into the sliding cavity 2 to abut against the side wall of the lower sliding block 3 to limit the inlay 4, the inlay 4 abuts against the sliding groove 8 through the upper sliding block 7 above the sliding block 3, and after the inlay 4 slides and rotates to adjust the position through the sliding groove 8, the second fixing screw rod 81 extends to the side end of the inlay 8 to the corresponding positioning groove 71 on the side wall of the upper sliding block 7, and the inlay 4 can be arranged in the direction of the upper sliding block.

Claims

1. The utility model provides a centering flat nose pliers of precision parts, includes base (1), slider (3) and inlay (4), slider (3) sliding connection is in the top of base (1), inlay (4) set up in the top of slider (3) down, inlay (4) left side top fixedly connected with fixed pincers, inlay (4) right side top is provided with movable clamp (51), its characterized in that: the utility model discloses a sliding clamp for a medical device, including base (1), slider (3), slider (4), slide groove (7), slider (6) are all provided with on the side top of inlay (4), slider (3) and slider (2) sliding connection down, inlay (4) top fixedly connected with slide rail (41), remove pincers (51) and slide rail (41) sliding connection, be provided with threaded rod (5) on removal pincers (51) lateral wall, threaded rod (5) side threaded connection is in inlay (4) side top, spout (8) have been seted up to all be provided with on fixed pincers and removal pincers (51) lateral wall to inlay (4) bottom, slider (7) are located in spout (8) to slider (3) top fixedly connected with down.

2. The precision part centering flat tongs of claim 1, wherein: the sliding cavity (2) and the lower sliding block (3) are arranged in a semicircular shape, a limiting groove (21) is formed in the side wall of the sliding cavity (2), and clamping blocks (31) located in the limiting groove (21) are fixedly connected to two sides of the bottom of the lower sliding block (3).

3. The precision part centering flat tongs of claim 2, wherein: the clamping block (31) is slidably connected in the limiting groove (21), and a first fixing screw (32) is connected to the side wall of the limiting groove (21) in a threaded mode.

4. The precision part centering flat tongs of claim 1, wherein: the upper sliding block (7) is in sliding connection with the sliding groove (8), a positioning groove (71) is formed in the side wall of the upper sliding block (7), and a second fixing screw (81) corresponding to the positioning groove (71) is connected to the side wall of the inlay (4) in a threaded manner.

5. The precision part centering flat tongs of claim 4, wherein: the positioning groove (71) is provided with a plurality of positioning grooves which are arranged in sequence.

6. The precision part centering flat tongs of claim 1, wherein: clamping grooves (62) are formed in the side walls of the fixed clamp and the movable clamp (51), and clamping sleeves (61) corresponding to the clamping grooves (62) are fixedly connected to the side walls of the clamping plates (6).

7. The precision part centering flat tongs of claim 6, wherein: the clamping sleeve (61) is clamped in the clamping groove (62), and third fixing screws corresponding to the clamping sleeve (61) are connected to the side walls of the fixed clamp and the movable clamp (51) in a threaded mode.

8. The precision part centering flat tongs of claim 7, wherein: the side end of the third fixing screw rod extends into the clamping groove (62) and is in threaded connection with the clamping sleeve (61).