CN216178607U

CN216178607U - Flat tongs matched clamp for machine

Info

Publication number: CN216178607U
Application number: CN202122609207.7U
Authority: CN
Inventors: 陈祥林; 张红兵
Original assignee: Suzhou Vocational University
Current assignee: Suzhou Vocational University
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-05
Anticipated expiration: 2031-10-28

Abstract

A flat-nose pliers matched clamp for a machine, which comprises a fixed seat and two oppositely arranged clamping plates, the push pedal, the pole of screwing, push pedal sliding connection is on the fixing base, two clamp plates rigid coupling respectively are in order to form the tight station of clamp that is used for pressing from both sides tight work piece on the relative side of fixing base and push pedal, the one end of screwing the pole is passed one side that the fixing base is not provided with the clamp plate and is rotated with the side center that the push pedal is not provided with the clamp plate and be connected, the even array in top of clamp plate is provided with the tight screw hole of clamp that the several runs through, the axis that presss from both sides tight screw hole is parallel with the axis of screwing the pole, press from both sides tight screw hole female connection and have several clamping screw, clamping screw has regulation portion and supports the portion of leaning on, clamping screw's support portion sets up in the inside that presss from both sides tight station in order to be used for supporting the work piece, clamping screw's regulation portion sets up in the outside that presss from both sides tight station in order to be used for adjusting the position that clamping screw supported the portion. This application can utilize the side location step of fixed plate, reliable location according to processing work piece structure.

Description

Flat tongs matched clamp for machine

Technical Field

The utility model belongs to the technical field of auxiliary clamps, and particularly relates to a flat tongs matched clamp for a machine.

Background

The fixture is a tool used for clamping a workpiece and guiding a cutter on a machine tool, wherein the accurate positioning of the workpiece is the main function of the fixture, and the fixture has a correct position between the machine tool and the cutter, does not interfere with machining and can clamp and fix the workpiece in a certain direction; and the clamp has the advantages of reliable clamping, high positioning precision and the like.

The machine workpiece is a universal fixture, is usually used for installing small-sized workpieces with smooth fixed contact surfaces, is a random accessory of a milling machine and a drilling machine, is fixed on a worktable of the machine tool, and drives a movable clamp body to move through a lead screw nut to clamp and loosen the workpiece so as to finish the cutting processing of the workpiece. In practical application, firstly, a large number of workpieces to be processed are castings, and the problems of surface roughness, surface defects, size deviation, shape deviation and the like exist; secondly, the structure of the workpiece to be processed is complex; when the two are clamped, the contact surface is small, the fixation is unreliable, and the workpiece is easy to move in the machining process, so that the machining precision is lost.

The present invention has been made in view of this situation.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a flat-nose pliers mating fixture for machine.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a flat tongs matched clamp for a machine comprises a fixed seat, two oppositely arranged clamping plates, a push plate and a screwing rod, wherein the push plate is connected to the fixed seat in a sliding manner, the two clamping plates are fixedly connected to opposite side faces of the fixed seat and the push plate respectively to form a clamping station for clamping a workpiece, one end of the screwing rod penetrates through one side of the fixed seat where the clamping plate is not arranged and is rotatably connected with the center of the side face of the push plate where the clamping plate is not arranged, a plurality of penetrating clamping threaded holes are uniformly arranged in the top of the clamping plate in an array manner, the axis of each clamping threaded hole is parallel to the axis of the screwing rod, a plurality of clamping screws are in threaded connection with the clamping threaded holes and are provided with adjusting portions and abutting portions, and the abutting portions of the clamping screws are arranged inside the clamping station to abut against the workpiece, the adjusting portion of the clamping screw is disposed outside the clamping station for adjusting a position of the clamping screw abutting portion.

Further, the fixing base includes base, fixed plate, the fixed plate sets up perpendicularly the both sides of base, be provided with a slip direction perpendicular to on the base the sliding tray of fixed plate just the sliding tray sets up the axis of base, the push pedal perpendicular to the base sets up and slides and sets up in the sliding tray, the pinch-off blades is fixed respectively the fixed plate with on the side that the push pedal is relative, not fixed with the pinch-off blades the central point of fixed plate puts and is provided with a threaded shaft sleeve, threaded shaft sleeve female connection has the tightening rod.

Furthermore, the two side surfaces of the base are symmetrically and concavely provided with grooves which are parallel to the sliding grooves.

Furthermore, a sliding block is convexly arranged at the bottom of the push plate corresponding to the shape of the sliding groove, the push plate is embedded into the sliding groove through the sliding block so as to be arranged in the sliding groove in a sliding manner, and the push plate, the fixed plate and the clamping plate are arranged in parallel.

Furthermore, the push pedal is not provided with the side center of clamp plate is provided with the bearing, the one end of screwing in the pole through with the bearing is fixed with the side center of push pedal rotates to be connected.

Furthermore, the end of the screwing rod, which is not rotatably connected with the push plate, is connected with a handle, and the handle is provided with anti-skid grains along the circumferential direction.

Further, the top surface of the clamping plate is higher than the top surface of the push plate.

Furthermore, the clamping plates are provided with at least two first fixing threaded holes, the fixing plate and the push plate are both provided with second fixing threaded holes matched with the first fixing threaded holes, and the first fixing threaded holes and the second fixing threaded holes are internally threaded with fixing screws, so that the two clamping plates can be respectively and fixedly connected to the fixing plate and the push plate.

Furthermore, the top of the side surface of the two clamping plates in the clamping station is provided with a positioning step along the arrangement direction of the clamping threaded holes, and the top surface of the positioning step is lower than the arrangement direction of the clamping threaded holes.

Further, still include the locating pin, the top of clamp plate is followed the direction that presss from both sides tight screw hole and arrange still evenly is provided with several positioning hole, the several positioning hole with press from both sides tight screw hole interval and set up, the locating pin sets up in the positioning hole.

Compared with the prior art, the utility model has the beneficial effects that: the positioning step on the clamping plate can be utilized to reliably position according to the structure of a machined workpiece; according to the appearance structure of a machined workpiece, clamping threaded holes at corresponding positions are selected, and a plurality of clamping screws realize quick and reliable clamping; the processing precision of work efficiency and work piece can be improved, its design simple structure is practical, and the preparation is convenient, easy to operate moreover.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a workpiece contained in a matched clamp of flat-nose pliers for a machine, which is provided according to an embodiment of the utility model;

FIG. 2 is a schematic structural diagram of a matched clamp of flat-nose pliers for machine use, which is provided according to an embodiment of the utility model and does not contain a workpiece;

fig. 3 is an exploded view of a flat-nose pliers mating fixture for machine use according to an embodiment of the present invention.

Reference numerals and component parts description referred to in the drawings:

1-a fixed seat; 11-a fixed plate; 12-a base; 121-a sliding groove; 13-a groove; 14-a second fixing threaded hole; 15-a threaded shaft sleeve; 2-clamping the plate; 21-clamping the threaded hole; 22-positioning through holes; 23-positioning a step; 24-a first fixing threaded hole; 3-pushing the plate; 31-a slide block; 4-screwing the rod; 41-a handle; 5-a clamping screw; 6-positioning pins; 7-a set screw; 8-workpiece.

Detailed Description

The technical solution of the present invention will be clearly and completely described by the following detailed description. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, a supporting anchor clamps of flat-nose pliers for machine, including fixing base 1, two clamp plate 2 that set up relatively, push pedal 3, the pole 4 of screwing, push pedal 3 sliding connection is on fixing base 1, two clamp plate 2 rigid couplings are respectively on the relative side of fixing base 1 and push pedal 3 in order to form the tight station of clamp that is used for pressing from both sides tight work piece 8, the one end of the pole 4 of screwing passes one side that fixing base 1 does not have clamp plate 2 and rotates with the side center that push pedal 3 does not have clamp plate 2 to be connected, specifically, the side center that push pedal 3 does not have clamp plate 2 is provided with the bearing, the one end of the pole 4 of screwing is through being connected with the side center rotation of push pedal 3 with the bearing is fixed. The one end that the pole 4 of screwing is not rotated with push pedal 3 and is connected with a handle 41, and handle 41 is provided with anti-skidding line along circumference, and the comfort level when improving rotating handle 41 prevents the emergence of the phenomenon of skidding. The top of the clamping plate 2 is uniformly provided with a plurality of penetrating clamping threaded holes 21 in an array mode, the axis of each clamping threaded hole 21 is parallel to the axis of the screwing rod 4, a plurality of clamping screws 5 are connected with the clamping threaded holes 21 in an internal thread mode, each clamping screw 5 is provided with an adjusting portion and an abutting portion, the abutting portions of the clamping screws 5 are arranged inside the clamping stations and used for abutting against the workpiece 8, and the adjusting portions of the clamping screws 5 are arranged outside the clamping stations and used for adjusting the positions of the abutting portions of the clamping screws 5. When each clamping screw 5 is used for fixing the workpiece 8, the adjusting part of each clamping screw 5 is rotated, so that each clamping screw 5 is abutted to the part to provide a certain clamping force for the workpiece 8, the stress point on the workpiece 8 is greatly increased, the multi-point clamping situation is formed, and the stability of the workpiece 8 in the clamping state is further improved.

It will be appreciated that the top surface of the clamping plate 2 is disposed higher than the top surface of the push plate 3 to leave an arrangement space for the clamping screw 5, so as to prevent the clamping screw 5 and other components disposed in the same direction from interfering with the push plate 3 during operation.

The fixing seat 1 comprises a base 12, a fixing plate 11, the fixing plate 11 is vertically arranged on two sides of the base 12, a sliding groove 121 with a sliding direction perpendicular to the fixing plate 11 and a sliding groove 121 arranged on the base 12 are arranged on the base 12, so as to ensure the uniformity of the whole stress, a push plate 3 is arranged perpendicular to the base 12 and is arranged in the sliding groove 121 in a sliding manner, specifically, a sliding block 31 is convexly arranged at the bottom of the push plate 3 corresponding to the sliding groove 121, the push plate 3 is embedded into the sliding groove 121 through the sliding block 31 and is arranged in the sliding groove 121 in a sliding manner, the sliding block 31 restrains the push plate 3 to linearly slide along the direction of the sliding groove 121, the push plate 3, the fixing plate 11 and the clamping plate 2 are arranged in parallel to each other, the resistance of the push plate 3 and the clamping plate 2 during movement is reduced, meanwhile, the parallelism between the two clamping plates 2 can be ensured, and the workpiece 8 can be clamped conveniently.

Further, the clamp plate 2 is fixed respectively on the side that fixed plate 11 is relative with push pedal 3, and the central point that is not fixed with fixed plate 11 of clamp plate 2 puts and is provided with a screw

thread axle sleeve

15, and 15 threaded connection of screw thread axle sleeve have screwing rod 4, and the axis of screw thread axle sleeve 15 is parallel with the axis of fixing base 1, further guarantees that screwing rod 4 arranges with fixed plate 11 is perpendicular, has reduced the degree of difficulty of screwing rod 4 and fixed plate 11 interconnect. In addition, the two side surfaces of the base 12 are respectively symmetrically and concavely provided with grooves 13 which are parallel to the sliding groove 121, so that the whole fixture is convenient to arrange and take and the whole fixture is convenient to fix on a workbench.

Be provided with two at least first fixed screw hole 24 on the grip block 2, fixed plate 11 all is provided with first fixed screw hole 24 assorted second fixed screw hole 14 with push pedal 3, first fixed screw hole 24 and second fixed screw hole 14 female connection have set screw 7, so that two grip blocks 2 can be respectively fixed connection on fixed plate 11 and push pedal 3, set screw 7 adopts the countersunk head setting in first fixed screw hole 24 department, avoid producing with work piece 8 and interfere, above-mentioned simple structure is reliable, can realize the firm connection of grip block 2.

In addition, the top of the side surface of the two clamping plates 2 in the clamping station is provided with a positioning step 23 along the arrangement direction of the clamping threaded hole 21, and the top surface of the positioning step 23 is arranged lower than the clamping threaded hole 21. According to actual need, the workpiece 8 can be placed between the two positioning steps 23, the bottom of the workpiece 8 is abutted to the bottom surfaces of the positioning steps 23, the stress point of the workpiece 8 is increased, the stability of the workpiece 8 is improved, and the initial parallel and level arrangement of the workpiece 8 and the clamp can be realized.

Still include locating pin 6, the top of clamp plate 2 still evenly is provided with several positioning hole 22 along the direction that presss from both sides tight screw hole 21 and arrange, several positioning hole 22 and the interval setting of pressing from both sides tight screw hole 21, and what locating pin 6 set up in positioning hole 22 specifically is that locating pin 6 and positioning hole 22 interference fit. The positioning pin 6 can be adjusted at the position of the positioning through hole 22 and the extension length according to the size of the workpiece 8 in the working process, the side positioning effect is realized in the process of clamping the workpiece 8, the positioning pin 6 can be arranged on one side or two sides, and the positioning pin 6 plays a role in stopping the clamping plates 2, so that the two clamping plates 2 are prevented from being contacted and collided with each other, and the service life of the clamping plates 2 is prolonged.

The working process is as follows: when clamping the workpiece 8, firstly, rotating the screwing handle 41 to enable the width of the clamping station to be larger than the width of the workpiece 8 in the clamping direction, simultaneously screwing the clamping screws 5 out of the clamping station, placing the workpiece 8 on the two positioning steps 23 and arranging the positioning pins 6 in the corresponding positioning through holes 22, then rotating the clamping rod 4 to apply pretightening force to the workpiece 8, so that the workpiece 8 is clamped by the clamping plate 2 to realize primary clamping, further, screwing each clamping screw 5 corresponding to the workpiece 8 into the clamping station and enabling the abutting part of the clamping screw 5 to abut against the surface of the workpiece 8, further applying pretightening force to the workpiece, so that the clamping screw 5 can further clamp and fix the workpiece 8, and thus, the workpiece 8 is completely clamped through the two fixing actions. When the workpiece 8 is unloaded, the workpiece 8 can be unloaded by loosening the clamping rod 4, and if batch processing is carried out, the clamping rod 4 is properly rotated, and the clamping screw 5 is finely adjusted.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The matched clamp for the flat-nose pliers for the machine is characterized by comprising a fixed seat, two clamping plates, a push plate and a screwing rod, wherein the two clamping plates are oppositely arranged, the push plate is connected to the fixed seat in a sliding manner, the two clamping plates are fixedly connected to opposite side faces of the fixed seat and the push plate respectively to form a clamping station for clamping a workpiece, one end of the screwing rod penetrates through one side of the fixed seat, which is not provided with the clamping plates, and is rotatably connected with the center of the side face of the push plate, which is not provided with the clamping plates, a plurality of penetrating clamping threaded holes are uniformly arranged on the top of the clamping plate in an array manner, the axis of each clamping threaded hole is parallel to the axis of the screwing rod, a plurality of clamping screws are in threaded connection with the clamping threaded holes, each clamping screw is provided with an adjusting part and an abutting part, and the abutting parts of the clamping screws are arranged in the clamping station to abut against the workpiece, the adjusting portion of the clamping screw is disposed outside the clamping station for adjusting a position of the clamping screw abutting portion.

2. The matched clamp of flat-nose pliers for machine of claim 1, wherein the fixing seat comprises a base and a fixing plate, the fixing plate is vertically arranged at two sides of the base, a sliding groove with a sliding direction perpendicular to the fixing plate is arranged on the base and arranged at the central axis of the base, the push plate is arranged perpendicular to the base and slidably arranged in the sliding groove, the clamping plates are respectively fixed on the opposite sides of the fixing plate and the push plate, a threaded shaft sleeve is arranged at the central position of the fixing plate without the clamping plates, and the threaded shaft sleeve is in threaded connection with the tightening rod.

3. The matched clamp of flat-nose pliers for machine of claim 2, wherein the two side surfaces of the base are symmetrically provided with grooves which are parallel to the sliding groove.

4. The matched clamp of flat-nose pliers for machine of claim 2, wherein the bottom of the push plate is convexly provided with a slide block corresponding to the shape of the sliding groove, the push plate is embedded into the sliding groove through the slide block so as to be slidably arranged in the sliding groove, and the push plate, the fixing plate and the clamping plate are arranged in parallel with each other.

5. The matched clamp of flat-nose pliers for machine of claim 1, wherein the center of the side surface of the push plate not provided with the clamping plate is provided with a bearing, and one end of the screwing rod is fixed with the bearing so as to be rotatably connected with the center of the side surface of the push plate.

6. The matched clamp of the flat-nose pliers for machine of claim 5, wherein one end of the screwing rod which is not rotatably connected with the push plate is connected with a handle, and the handle is provided with anti-skid lines along the circumferential direction.

7. The matched clamp of flat-nose pliers for machine use of claim 1, wherein the top surface of the clamping plate is higher than the top surface of the push plate.

8. The matched clamp of flat-nose pliers for machine of claim 2, wherein the clamping plate is provided with at least two first fixing threaded holes, the fixing plate and the pushing plate are both provided with second fixing threaded holes matched with the first fixing threaded holes, and the first fixing threaded holes and the second fixing threaded holes are internally threaded with fixing screws, so that the two clamping plates can be respectively and fixedly connected to the fixing plate and the pushing plate.

9. The matched clamp of flat-nose pliers for machine of claim 1, wherein the top of the side surface of the two clamping plates in the clamping station is provided with a positioning step along the arrangement direction of the clamping threaded holes, and the top surface of the positioning step is arranged lower than the clamping threaded holes.

10. The matched clamp of flat-nose pliers for machine of claim 1, further comprising a positioning pin, wherein a plurality of positioning through holes are uniformly arranged on the top of the clamping plate along the arrangement direction of the clamping threaded holes, the plurality of positioning through holes are arranged at intervals with the clamping threaded holes, and the positioning pin is arranged in the positioning through holes.