CN210307413U

CN210307413U - Quick-change flat tongs

Info

Publication number: CN210307413U
Application number: CN201920796561.5U
Authority: CN
Inventors: 雷红; 张宇
Original assignee: Baoding Xiangyang Grate Machinery Co Ltd
Current assignee: Baoding Xiangyang Grate Machinery Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-04-14
Anticipated expiration: 2029-05-30

Abstract

The utility model belongs to the technical field of flat-nose pliers, a quick change flat-nose pliers is proposed, the clamp comprises a clamp body, be provided with the fixed block on the clamp body, move the piece, the fixed block and/or be provided with first inclined plane on the moving block, be provided with the quick change on the first inclined plane and keep silent, be provided with the guide on the first inclined plane, the quick change is kept silent and is provided with and be used for the guide is gliding slot in it. As a further technical scheme, the groove is T-shaped, the groove direction of the groove is vertical, the upper end of the groove is closed, the lower end of the groove is provided with an inlet section which is used for the guide piece to enter conveniently, and the groove depth of the inlet section is gradually increased from top to bottom. The utility model provides a flat-nose pliers keep silent among the prior art and decide being connected between the movable block for threaded connection, the dismantlement of keeping silent is changed and is wasted time and energy, and is inefficient, under the condition of the multiple type of work piece of small batch of processing, can frequently change the frock to extravagant plenty of time's problem.

Description

Quick-change flat tongs

Technical Field

The utility model belongs to the technical field of flat-nose pliers, a fixed frock is do not classified to small batch volume multiclass is related to.

Background

The precision flat tongs are a universal fixture, can be used for numerical control machine tools, machining centers and various common machine tools, are fixed on a machine tool workbench and are used for clamping workpieces to carry out cutting machining. The assembly structure of the flat tongs is detachable threaded connection and pin connection; the linear motion of the movable clamp body is converted from spiral motion; the working surface is the friction surface of screw pair, guide rail pair and clearance fit shaft and hole. The flat tongs have the characteristics of simple structure and compact structure. The flat tongs in the prior art are connected with the fixed moving block through threads, the tongs are detached and replaced with time and labor wasting and low efficiency, and the tool can be frequently replaced under the condition of machining a small batch of various workpieces, so that a large amount of time is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model provides a quick change flat-nose pliers has solved the above-mentioned problem among the prior art.

The technical scheme of the utility model is realized like this:

a quick-change flat-nose pliers is characterized by comprising a pliers body, wherein a fixed block and a movable block are arranged on the pliers body, a first inclined plane is arranged on the fixed block and/or the movable block, a quick-change pliers opening is arranged on the first inclined plane,

the quick-change jaw is provided with a guide piece, and the quick-change jaw is provided with a groove for the guide piece to slide in.

As a further technical scheme, the groove is T-shaped, the groove direction of the groove is vertical, the upper end of the groove is closed, the lower end of the groove is provided with an inlet section which is used for the guide piece to enter conveniently, and the groove depth of the inlet section is gradually increased from top to bottom.

As a further technical solution, a second inclined plane is arranged on the quick-change jaw, and the second inclined plane is used for sliding on the first inclined plane and has the same inclination angle.

As a further technical scheme, the first inclined plane and the second inclined plane are both provided with strip-shaped positioning teeth, and the strip-shaped positioning teeth are strip-shaped and parallel to the groove direction of the groove.

As a further technical proposal, the inclination angles of the first inclined plane and the second inclined plane are both 60-80 degrees.

As a further technical solution, the guide member includes a bolt provided on the first inclined surface, and a guide sleeve is provided on the bolt.

As a further technical scheme, a smooth part is arranged on the bolt, the outer wall of the guide sleeve is stepped and comprises a first sliding part and a second sliding part, the first sliding part slides on the smooth part, the second sliding part slides in the groove, and the first sliding part is connected with the second sliding part through a connecting part.

As a further technical solution, an elastic member is provided between the first sliding portion and a nut of the bolt.

As a further technical solution, the first sliding is perpendicular to the sliding direction of the second sliding portion.

As a further technical proposal, a support is arranged on the clamp body, a screw rod which rotates on the support is arranged on the support, one end of the screw rod is connected with the movable block, the other end is provided with a hexagonal head,

the clamp body is provided with a plurality of taper holes for adjusting the positions of the supports.

The utility model discloses theory of use and beneficial effect do:

1. in the utility model, the specially designed quick-change flat tongs are too complicated to change the tongs mouth on the fixed block and the movable block in production, particularly the current production situation of small batch and multiple categories formed by very many product categories of the enterprise, therefore, a quick-change flat tongs is planned and designed all the time, but the scheme is not perfect all the time, the quick-change flat tongs which are researched and designed before the scheme of the utility model, although the quick change can be basically met, the utility model has a plurality of defects, and the scheme of the utility model is finally determined to achieve good effect after long-time trial, thereby well solving the problems that the connection between the jaw and the fixed block of the flat tongs in the prior art is threaded connection, the disassembly and the replacement of the jaw are time-consuming and labor-consuming, the efficiency is low, under the condition of machining a small batch of various workpieces, the tool can be frequently replaced, so that a large amount of time is wasted. In this embodiment, the fixed block on the forceps body of the quick-change flat-nose pliers and the jaw on the moving block need to be frequently replaced, so the quick-change flat-nose pliers are designed to be quick-change jaws, and after long-term improvement, the fixed block and the moving block are designed to be provided with the first inclined surface, and the quick-change jaws are arranged on the first inclined surface, so that an inclined acting force of the fixed block and the moving block on the quick-change jaws is formed, so that the quick-change flat-nose pliers are very stable in structure, an effect of clamping more and more tightly is formed, double guarantee of quick change and stability is well achieved, a guide piece is arranged on the first inclined surface, the guide piece slides in a groove in the sliding quick-change jaws to achieve quick change, the guide piece can guarantee that the jaws are attached to the first inclined surface of the fixed block, the groove can slide up and down along the guide piece on the first inclined.

2. In the utility model, the groove is T-shaped, the guiding of the guiding part is more stable, the groove direction is vertical, the upper end of the groove is sealed to realize the limit, the lower end of the groove is provided with an inlet section which is used for the guiding part to conveniently enter, the groove depth of the inlet section is gradually increased from top to bottom, when the quick-change jaw is quickly changed, the vertical insertion of the quick-change jaw is more convenient, even if the quick-change jaw is not aligned, the good quick insertion can be realized, and the quick-change effect is further improved; the quick-change jaw is provided with the second inclined surface which is used for sliding on the first inclined surface, so that the whole matching is very good, the quick-change jaw can be designed into various jaws, planes, arcs, steps, angles and the like, dozens of or more jaws, the quick-change jaw is taken as the plane jaw as an example, the whole quick-change jaw is a right trapezoid, the inclined edge of the trapezoid is taken as the second inclined surface, and the right-angle side edge of the trapezoid is taken as a jaw clamping surface, so that a very stable effect is achieved; first inclined plane all be provided with bar location tooth on the second inclined plane, bar location tooth interlock on the two each other, fine utilization profile of tooth meshing has realized the assurance to changing location and clamping precision after the quick change is kept silent, can make with the cooperation of guide, quick change structure is fast, structural strength is high, the effect that positioning and clamping precision is high.

3. In the utility model, the guide part comprises a bolt arranged on a first inclined plane, a bolt guide sleeve can slide in a groove of a vertical T shape, the guide sleeve is matched with an inlet section with the groove depth gradually increasing from top to bottom, the vertical insertion can be very convenient, the guide sleeve is a step sleeve, a step protruding on the outer wall slides in the groove as a second sliding part, a first sliding part of the guide sleeve slides on the smooth part of the bolt, because the bolt is vertical to the first inclined plane, the sliding direction of the second sliding part is vertical to the sliding direction of the first sliding part, the purpose of the second sliding part in the groove is to ensure the transverse stability and the vertical quick replacement of the quick-change jaw, the first sliding part is a sleeve body sleeved on the smooth part of the bolt for transverse sliding, the purpose is to tightly press the quick-change jaw on the first inclined plane, so that the quick-change jaw can not move and displace transversely, and be provided with the elastic component between the nut of first sliding part and bolt and can press whole enough tightly, simple structure has reached fine effect, and whole not only change is convenient, can reach the same result of use of keeping silent of ordinary bolt change formula moreover, consequently brings very big progress to actual production.

4. The utility model discloses in, the inclination on first inclined plane, the second inclined plane is 60 ~ 80, the angle slope slightly can guarantee stability, also reached the more convenient purpose of quick replacement simultaneously, be provided with the support on the pincers body, be provided with pivoted lead screw on it on the support, lead screw one end is connected with the movable block, the other end is provided with six square heads, rotatory hexagonal head can adjust the movable block position, the taper hole position of adjusting the selection of support bottom steel ball simultaneously can be adjusted the position of support, thereby the realization of coarse fine tuning has been guaranteed.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is an enlarged view of part A of FIG. 2;

fig. 4 is a schematic top view of the present invention;

fig. 5 is a schematic side view of the present invention;

fig. 6 is a schematic view of a quick-change jaw structure of the present invention;

in the figure: 1-clamp body, 2-fixed block, 3-movable block, 4-first inclined surface, 5-quick-change jaw, 6-guide piece, 601-bolt, 602-guide sleeve, 6021-first sliding part, 6022-second sliding part, 6023-connecting part, 603-smooth part, 604-elastic piece, 7-groove, 8-inlet section, 9-second inclined surface, 10-strip-shaped positioning tooth, 11-support, 12-screw rod, 13-hexagonal head and 14-taper hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in figures 1 to 6, the quick-change flat-nose pliers of the present invention comprises a pliers body 1, the pliers body 1 is provided with a pliers body 1, the fixed block 2 and/or the movable block 3 is provided with a first inclined plane 4, the first inclined plane 4 is provided with a quick-change pliers mouth 5,

the first inclined surface 4 is provided with a guide 6, and the quick-change jaw 5 is provided with a groove 7 for the guide 6 to slide in.

In this embodiment, the quick change flat-nose pliers of special design derives from the stationary block 2 in production, move and change too complicacy of keeping silent on the block 3, and the very many small batch of many kinds of production current situations that form of product classification of this enterprise especially, consequently plan to design a section quick change flat-nose pliers always, but the scheme is perfect inadequately all the time, the utility model discloses the quick change flat-nose pliers of research and design before the scheme, though can satisfy the quick change basically, but there are a lot of not enough, through long-time the attempt, finally determine the utility model discloses the scheme has reached fine effect to fine solution flat-nose pliers among the prior art keep silent and decide being connected for threaded connection between the movable block, the dismantlement of keeping silent is changed and is wasted time and energy, and is inefficient, under the condition of the multiple type work piece of machine tooling in batches, can frequently change the frock, thereby has wasted the. In the embodiment, the jaws of the fixed block 2 and the movable block 3 on the body 1 of the quick-change flat-nose pliers need to be frequently replaced, so the jaws are designed to be quick-change jaws 5, and after long-term improvement, the first inclined surface 4 is arranged on the fixed block 2 and the movable block 3, and the quick-change jaws 5 are arranged on the first inclined surface, so that the inclined acting force of the fixed block 2 and the movable block 3 on the quick-change jaws 5 is formed, so that the structure of the quick-change flat-nose pliers is very stable, the effect of clamping the jaws is better, the double guarantee of quick change and stability is well solved, a guide part 6 is arranged on the first inclined surface 4, the guide part 6 slides in a groove 7 on the sliding quick-change jaws 5 to realize quick change, the guide part 6 can ensure that the jaws are attached to the first inclined surface 4 of the fixed block, the groove 7 can slide up and down along the guide part 6 on the first inclined surface 4 of the fixed block, and, and is very stable.

Further, the groove 7 is T-shaped, the groove direction of the groove is vertical, the upper end of the groove is closed, the lower end of the groove is provided with an inlet section 8 used for the guide piece 6 to enter conveniently, and the groove depth of the inlet section 8 is gradually increased from top to bottom.

Further, a second inclined surface 9 is arranged on the quick-change jaw 5, and the second inclined surface 9 is used for sliding on the first inclined surface 4 and has the same inclination angle.

Further, the first inclined plane 4 and the second inclined plane 9 are both provided with strip-shaped positioning teeth 10, and the strip-shaped positioning teeth 10 are strip-shaped and parallel to the groove direction of the groove 7.

In the embodiment, the groove 7 is T-shaped, so that the guide of the guide piece 6 is more stable, the groove is vertical, the upper end of the groove is sealed, the limit can be realized, the lower end of the groove is provided with the inlet section 8 which is used for the guide piece 6 to enter conveniently, the groove depth of the inlet section 8 is gradually increased from top to bottom, when the quick-change jaw 5 is quickly changed, the vertical insertion of the quick-change jaw 5 is more convenient, the quick-change jaw can be well quickly inserted even if the quick-change jaw 5 is not aligned, and the quick-change effect is; the quick-change jaw 5 is provided with a second inclined surface 9, the second inclined surface 9 is used for sliding on the first inclined surface 4, so that the whole matching is very good, the quick-change jaw 5 can be designed into various jaws, planes, arcs, steps, angles and the like, dozens of or more jaws, the quick-change jaw 5 is taken as a plane jaw as an example, the whole quick-change jaw 5 is a right trapezoid, the inclined edge of the trapezoid is taken as the second inclined surface 9, and the right-angle side edge of the trapezoid is taken as a jaw clamping surface, so that a very stable effect is achieved; first inclined plane 4 all be provided with bar location tooth 10 on the second inclined plane 9, bar location tooth 10 mutual interlock on the two, fine utilization profile of tooth meshing has realized the assurance to changing location and clamping precision behind the quick change nip 5, can make with the cooperation of guide 6, quick change structure is fast, structural strength is high, the effect that the positioning clamping precision is high.

Further, the guide 6 includes a bolt 601 provided on the first inclined surface 4, and a guide sleeve 602 is provided on the bolt 601.

Further, the bolt 601 is provided with a smooth portion 603, the outer wall of the guide sleeve 602 is stepped and includes a first slide portion 6021 that slides on the smooth portion 603 and a second slide portion 6022 that slides in the groove 7, and the first slide portion 6021 is coupled to the second slide portion 6022 by a coupling portion 6023.

Further, an elastic member 604 is provided between the first slide portion 6021 and the nut of the bolt 601. The elastic member 604 may be a spring.

Further, the first slide is perpendicular to the sliding direction of the second slide portion 6022.

In this embodiment, the guide 6 comprises a bolt 601 arranged on the first inclined surface 4, the guide sleeve 602 of the bolt 601 can slide in the vertical T-shaped groove 7, the guide sleeve 602 cooperates with the inlet section 8 with the groove depth gradually increasing from top to bottom, the vertical direction can be easily inserted, and the guide sleeve 602 is a step sleeve, the step protruding from the outer wall slides in the groove 7 as the second sliding portion 6022, the first sliding portion 6021 of the guide sleeve 602 slides on the smooth portion 603 of the bolt 601 because the bolt 601 is perpendicular to the first inclined surface 4, so the sliding direction of the second sliding portion 6022 is perpendicular to the sliding direction of the first sliding portion 6021, the second sliding portion 6022 is arranged in the groove 7 for ensuring the lateral stability and the vertical quick replaceability of the quick-change jaw 5, the first sliding portion 6021 is arranged to slide laterally on the smooth portion 603 of the sleeve 601 for pressing the jaw 5 against the first inclined surface 4, the quick-change jaw 5 cannot move and displace transversely, the elastic piece 604 arranged between the first sliding part 6021 and the nut of the bolt 601 can press the whole body tightly, the simple structure achieves a good effect, the whole body is convenient to replace, the use effect of the common bolt replacement jaw can be achieved, and therefore great progress is brought to actual production.

Further, the inclination angles of the first inclined surface 4 and the second inclined surface 9 are both 60 ° to 80 °.

Furthermore, a support 11 is arranged on the forceps body 1, a screw rod 12 which rotates on the support 11 is arranged on the support, one end of the screw rod 12 is connected with the movable block 3, the other end is provided with a hexagonal head 13,

the clamp body 1 is provided with a plurality of taper holes 14 for adjusting the position of the support 11.

In this embodiment, the inclination angles of the first inclined plane 4 and the second inclined plane 9 are both 60 degrees to 80 degrees, and the stability can be ensured by slightly inclining the angles, and simultaneously the purpose of quickly replacing and being more convenient is also achieved, the clamp body 1 is provided with the support 11, the support 11 is provided with the screw rod 12 rotating thereon, one end of the screw rod 12 is connected with the movable block 3, the other end of the screw rod is provided with the hexagonal head 13, the hexagonal head is rotated, the position of the movable block 3 can be adjusted, and the position of the conical hole 14 selected by the steel ball at the bottom of the support 11 can be adjusted simultaneously, so that the realization of coarse adjustment and fine adjustment is ensured.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A quick-change flat-nose pliers is characterized by comprising a pliers body (1), wherein a fixed block (2) and a movable block (3) are arranged on the pliers body (1), a first inclined surface (4) is arranged on the fixed block (2) and/or the movable block (3), a quick-change pliers mouth (5) is arranged on the first inclined surface (4),

the guide piece (6) is arranged on the first inclined surface (4), and the groove (7) for the guide piece (6) to slide in is arranged on the quick-change jaw (5).

2. Quick-change flat-nose pliers according to claim 1, characterized in that the groove (7) is T-shaped, the groove is vertical and has a closed upper end and an entrance section (8) for the guide (6) at the lower end, and the groove depth of the entrance section (8) increases from top to bottom.

3. A quick-change flat-nose pliers according to claim 1, characterized in that said quick-change jaws (5) are provided with a second inclined surface (9), said second inclined surface (9) being intended to slide on said first inclined surface (4) with an equal inclination.

4. The quick-change flat-nose pliers according to claim 3, wherein the first inclined surface (4) and the second inclined surface (9) are both provided with strip-shaped positioning teeth (10), and the strip-shaped positioning teeth (10) are strip-shaped and parallel to the groove direction of the groove (7).

5. A quick-change flat-nose pliers according to claim 3, characterized in that the inclination angles of the first inclined surface (4) and the second inclined surface (9) are both 60 ° to 80 °.

6. Quick-change flat-nose pliers according to any one of claims 1 to 5, characterized in that the guide (6) comprises a bolt (601) arranged on the first inclined surface (4), the bolt (601) being provided with a guide sleeve (602).

7. The quick-change flat-nose pliers according to claim 6, wherein the bolt (601) is provided with a smooth part (603), the outer wall of the guide sleeve (602) is stepped and comprises a first sliding part (6021) sliding on the smooth part (603) and a second sliding part (6022) sliding in the groove (7), and the first sliding part (6021) is connected with the second sliding part (6022) through a connecting part (6023).

8. Quick-change flat-nose pliers according to claim 7, characterized in that an elastic member (604) is arranged between said first sliding part (6021) and the nut of said bolt (601).

9. Quick-change flat-nose pliers according to claim 7, characterized in that said first sliding is perpendicular to the sliding direction of said second sliding portion (6022).

10. The quick-change flat-nose pliers according to claim 1, wherein a support (11) is arranged on the pliers body (1), a screw rod (12) rotating on the support (11) is arranged on the support, one end of the screw rod (12) is connected with the movable block (3), and the other end is provided with a hexagonal head (13),

the pliers body (1) is provided with a plurality of taper holes (14) for adjusting the positions of the supports (11).