CN220498894U - Spacing clamping device - Google Patents

Abstract

The utility model relates to the technical field of flat tongs, in particular to a limiting clamping device which comprises a tongs body, a fixed tongs block and a sliding block, wherein the fixed tongs block and the sliding block are connected to the top of the tongs body in a sliding mode, a movable tongs block is connected to one side, close to the fixed tongs block, of the sliding block in a sliding mode, an adjusting screw is connected to the inner portion of the sliding block in a rotating mode, the movable tongs block is in threaded connection with the adjusting screw, an articulated frame is fixedly connected to the end portion of the adjusting screw, and a handle is connected to the inner portion of the articulated frame in a hinged mode. The utility model has the advantages that: through setting up handle, push plate and compressing tightly the subassembly, utilize the handle can be convenient for the user rotate adjusting screw to improve the convenience when clamping the work piece of nipper, utilize a plurality of clamp plates to closely laminate at adjusting screw's surface, then utilize the clamp plate to carry out spacingly to adjusting screw, avoid adjusting screw to be influenced by vibrations, stability when effectively improving nipper and fixed pincers piece clamp work piece.

Description

Spacing clamping device

Technical Field

The utility model relates to the technical field of flat tongs, in particular to a limiting and clamping device.

Background

The parallel pliers are also called vice for machine, are universal clamps and 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 to carry out cutting processing, and the working principle is as follows: the screw rod is rotated by a spanner, and the movable clamp body is driven to move by the screw rod nut, so that the workpiece is clamped and loosened.

The assembled jaw of the flat tongs disclosed in the Chinese patent CN216299032U comprises a tongs body, a fixed jaw arranged above the tongs body and a movable jaw arranged on the fixed jaw in a sliding manner, wherein a screw is rotationally arranged on the right side of the movable jaw, a rectangular chip groove is formed in the bottom of the fixed jaw, a sliding block extending into the chip groove and used for guiding is arranged at the bottom of the movable jaw, a sliding rail used for sliding the sliding block is formed in the inside of the tongs body, the screw is in threaded connection with the right end of the fixed jaw, a handle used for driving the screw to rotate is arranged at one end of the screw, which is far away from the movable jaw, and the sliding block is matched with the sliding rail, so that the horizontal movement of the movable jaw can be effectively ensured.

But compare in the prior art in relevant field, milling machine, drilling machine can produce vibrations to the body of a clamp when processing the work piece, then vibrations can transmit the screw rod to the screw rod can produce and rotate because of receiving vibrations, and movable jaw will produce the slip after the screw rod rotates, consequently the work piece can influence the machining precision of work piece because of fixed jaw and movable jaw produce the activity, can appear striking the phenomenon of sword even, and then lead to the fact the equipment to appear damaging.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

The utility model aims to overcome the defects of the prior art, solve the problems in the background art and provide a limiting and clamping device.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a spacing clamping device, includes the body of a clamp and sliding connection is in fixed pincers piece and the sliding block at body of a clamp top, the sliding block is close to one side sliding connection of fixed pincers piece has movable pincers piece, the inside rotation of sliding block is connected with adjusting screw, movable pincers piece with adjusting screw threaded connection, adjusting screw's tip fixedly connected with articulated frame, articulated frame's inside articulates is connected with the handle, articulated frame is close to one side sliding connection of handle has the push plate, the sliding block is close to one side of push plate is equipped with the hold-down assembly;

the compression assembly comprises a mounting plate which is in sliding connection with one side of the sliding block, one side, close to the sliding block, of the mounting plate is fixedly connected with a plurality of sliding rods, one end of each sliding rod is hinged with a first connecting rod, one end, far away from each sliding rod, of each first connecting rod is hinged with a second connecting rod, and one end, far away from each first connecting rod, of each second connecting rod is fixedly connected with a pressing plate matched with the adjusting screw.

Preferably, the top of the clamp body is provided with a sliding groove, the bottoms of the fixed clamp block and the sliding block are fixedly connected with sliding blocks matched with the sliding groove, and by adopting the technical scheme, the stability of the fixed clamp block and the sliding block during sliding can be improved.

Preferably, the fixed pincers piece with the equal threaded connection in both sides at sliding block top has set screw, set screw all runs through the fixed pincers piece the sliding block with laminate mutually at the top of pincers body, through adopting above-mentioned technical scheme, can be convenient for fixed pincers piece and sliding block and pincers body composite connection.

Preferably, the movable clamp block comprises a clamp plate and a rectangular block, the sliding block is located on one side of the rectangular block and provided with a rectangular groove, the center point of the rectangular block corresponds to the center point of the adjusting screw, the center of the rectangular block is provided with a threaded hole matched with the adjusting screw, and by adopting the technical scheme, the stability of the clamp plate and the rectangular block during sliding can be improved.

Preferably, the handle is close to the one end of articulated frame has offered the plane, the handle is close to the planar both sides have all been offered the transition cambered surface, through adopting above-mentioned technical scheme, can let the handle promote the impeller plate and slide, then can let the handle keep the horizontality when not receiving external force after plane and impeller plate contact.

Preferably, the push plate is located the sliding tray has been seted up to the position of articulated frame, the mounting panel is located the rotation hole has been seted up to the position of articulated frame, the push plate with the corresponding one side of mounting panel has all been inlayed the magnetic path, through adopting above-mentioned technical scheme, can let the push plate drive the mounting panel and slide.

Preferably, the sliding block is located the sliding rod with the sliding hole has all been seted up to the position of second connecting rod, the sliding block is located the head rod with the movable groove has all been seted up to the position of clamp plate, through adopting above-mentioned technical scheme, can improve the stability when sliding rod and second connecting rod slip.

Preferably, the clamp plate shape is the arc, the inner wall of clamp plate is all fixed and is equipped with the skid resistant course, through adopting above-mentioned technical scheme, can improve the clamp plate and adjust the spacing effect of screw rod to ensure the stability when work piece processing.

Compared with the prior art, the utility model has the following advantages:

this spacing clamping device through setting up handle, push plate and hold-down assembly, on the one hand, utilize the handle can convenient to use person to rotate adjusting screw, thereby improve convenience when nipper presss from both sides tight work piece, on the other hand after nipper presss from both sides tight work piece with fixed pincers piece, can pull the handle to the horizontality, then utilize transition cambered surface and plane cooperation, can make the push plate promote the mounting panel to slide to one side of sliding block, a plurality of slide bars can utilize head rod control second connecting rod to slide to one side of adjusting screw this moment, thereby let a plurality of clamp plates closely laminate at adjusting screw's surface, then utilize the clamp plate to carry out spacingly to adjusting screw, avoid adjusting screw to be influenced by vibrations, stability when effectively improving nipper and fixed pincers piece clamp work piece.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of a first operating state of the present utility model;

FIG. 2 is a schematic view of a second operating state of the present utility model;

FIG. 3 is a schematic view of a third operating state of the present utility model;

FIG. 4 is a schematic view of the handle of the present utility model in a first operating configuration;

FIG. 5 is a cross-sectional view of the handle of the present utility model in a first operational state;

FIG. 6 is a state diagram of the hold down assembly of the present utility model in a limited position;

FIG. 7 is a schematic view of the handle of the present utility model in a second operating configuration;

FIG. 8 is a cross-sectional view of the handle of the present utility model in a second operational state;

FIG. 9 is a state diagram of the compression assembly of the present utility model after release of the limit;

fig. 10 is a schematic diagram showing a separation structure of the pushing plate and the hinge frame of the present utility model.

In the figure: 1. a clamp body; 2. fixing the clamp blocks; 3. a sliding block; 4. a movable clamp block; 401. a nipper plate; 402. rectangular blocks; 403. rectangular grooves; 5. adjusting a screw; 6. a hinge bracket; 7. a handle; 701. a plane; 702. a transitional cambered surface; 8. a pushing plate; 801. a sliding groove; 9. a compression assembly; 901. a mounting plate; 902. a slide bar; 903. a first connecting rod; 904. a second connecting rod; 905. and (5) pressing plates.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Additional aspects and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

As shown in figures 1-10, a limiting and clamping device comprises a clamp body 1, a fixed clamp block 2 and a sliding block 3 which are in sliding connection with the top of the clamp body 1, wherein as shown in figures 1 and 2, the top of the clamp body 1 is provided with a sliding groove, the bottoms of the fixed clamp block 2 and the sliding block 3 are fixedly connected with sliding blocks matched with the sliding groove, the two sides of the tops of the fixed clamp block 2 and the sliding block 3 are respectively connected with a positioning screw through threads, the positioning screws penetrate through the fixed clamp block 2 and the sliding block 3 to be attached to the top of the clamp body 1, on one hand, the positioning screws can be used for positioning the fixed clamp block 2 and the sliding block 3, on the other hand, the sliding block 3 can be used for positioning the sliding block 3 after sliding in place, so that the purpose of quickly adjusting the position is achieved, one side of the sliding block 3 close to the fixed clamp block 2 is connected with a movable clamp block 4 in a sliding way, the inside rotation of the sliding block 3 is connected with an adjusting screw 5, the position of the sliding block 3 positioned on the adjusting screw 5 is provided with a rotating hole, the inner wall of the rotating hole is embedded with a bearing, the adjusting screw 5 is inserted into the inner wall of the bearing, thereby reducing the friction force when the adjusting screw 5 rotates by using the bearing, improving the stability when the adjusting screw 5 rotates, the movable clamp block 4 comprises a clamp plate 401 and a rectangular block 402, one side of the sliding block 3 positioned on the rectangular block 402 is provided with a rectangular groove 403, the center point of the rectangular block 402 corresponds to the center point of the adjusting screw 5, the center of the rectangular block 402 is provided with a threaded hole matched with the adjusting screw 5, as shown in figures 2 and 3, the rectangular block 402 can be controlled by the adjusting screw 5 to drive the clamp plate 401 to horizontally slide, so that workpieces can be clamped by using the clamp plate 401, and then workpieces with different types can be fast clamped by matching with the positioning screw, the movable clamp block 4 is in threaded connection with the adjusting screw 5 without rotating the adjusting screw 5 for a plurality of times, the end part of the adjusting screw 5 is fixedly connected with the hinge bracket 6, the inside of the hinge bracket 6 is hinged with the handle 7, one end of the handle 7 close to the hinge bracket 6 is provided with the plane 701, both sides of the handle 7 close to the plane 701 are provided with the transitional cambered surfaces 702, one side of the hinge bracket 6 close to the handle 7 is slidingly connected with the pushing plate 8, the pushing plate 8 is provided with the sliding groove 801 at the position of the hinge bracket 6, and a user can conveniently rotate the adjusting screw 5 by utilizing the handle 7, so that the convenience of clamping the workpiece by the clamp plate 401 is improved;

one side that sliding block 3 is close to push plate 8 is equipped with compressing tightly subassembly 9, compressing tightly subassembly 9 includes the mounting panel 901 of sliding connection in sliding block 3 one side, the pivot hole has been seted up to the position that mounting panel 901 is located articulated frame 6, the magnetic path has all been inlayed to the corresponding one side of push plate 8 and mounting panel 901, the one side fixedly connected with a plurality of slide bars 902 of mounting panel 901 near sliding block 3, the one end articulated head rod 903 that is connected with of slide bar 902, the one end articulated head rod 903 that keeps away from slide bar 902 is connected with second connecting rod 904, the slide hole has all been seted up in the position that sliding block 3 is located slide bar 902 and second connecting rod 904, the one end fixedly connected with that second connecting rod 904 kept away from first connecting rod 903 and adjusting screw 5 matched with clamp 905, the clamp 905 shape is the arc, the inner wall of clamp 905 all is fixedly equipped with the skid resistant course, the movable groove has all been seted up to the position of sliding block 3 is located first connecting rod 903 and clamp 905, as shown in fig. 4-9, after clamping workpiece 2, can pull handle 7 to the horizontality, then utilize transition cambered surface and plane 701 to cooperate, can promote the one side of push plate 8 to keep away from slide bar 902 and adjusting screw 905, can be influenced by adjusting screw 905 at the multiple sides of adjusting screw rod 5 when adjusting screw 905, then adjusting screw rod 5 is adjusted closely, more than adjusting screw rod 905 is adjusted by the surface is adjusted to be adjusted.

The working process of the utility model is as follows:

s1, during clamping, a workpiece is placed between a clamp plate 401 and a fixed clamp block 2, then a sliding block 3 is slid according to the model of the workpiece, and then the sliding block 3 can be positioned by using a positioning screw after the sliding block is slid in place;

s2, rotating an adjusting screw 5 through a handle 7, and then using the adjusting screw 5 to control a rectangular block 402 to drive a clamp plate 401 to horizontally slide, so that a workpiece is clamped by the clamp plate 401;

s3, as shown in fig. 4-9, after the clamp plate 401 and the fixed clamp block 2 clamp a workpiece, the handle 7 can be pulled to be in a horizontal state, and then the transition cambered surface 702 is matched with the plane 701, so that the pushing plate 8 can be pushed to push the mounting plate 901 to slide to one side of the sliding block 3;

s4, as shown in fig. 4-9, the plurality of sliding rods 902 can control the second connecting rod 904 to slide towards one side of the adjusting screw 5 by using the first connecting rod 903, so that the plurality of pressing plates 905 are closely attached to the outer surface of the adjusting screw 5, and then the adjusting screw 5 is limited by using the pressing plates 905, so that the adjusting screw 5 is prevented from being influenced by vibration;

s5, as shown in fig. 4-9, after the processing is finished, the handle 7 is pulled to be in a vertical state, then the pressing plate 905 is not attached to the adjusting screw 5, so that the adjusting screw 5 can control the rectangular block 402 to drive the clamp plate 401 to horizontally slide, and then the workpiece can be taken out.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (8)

1. A spacing clamping device, its characterized in that: the novel clamping device comprises a clamp body (1), a fixed clamp block (2) and a sliding block (3) which are connected to the top of the clamp body (1) in a sliding manner, wherein one side, close to the fixed clamp block (2), of the sliding block (3) is connected with a movable clamp block (4) in a sliding manner, an adjusting screw (5) is rotationally connected to the inside of the sliding block (3), the movable clamp block (4) is in threaded connection with the adjusting screw (5), the end part of the adjusting screw (5) is fixedly connected with a hinged frame (6), a handle (7) is hinged to the inside of the hinged frame (6), a pushing plate (8) is connected to one side, close to the handle (7), of the sliding block (3), and a compressing assembly (9) is arranged on one side, close to the pushing plate (8), of the sliding block (3);

compressing tightly subassembly (9) are in including sliding connection mounting panel (901) of sliding block (3) one side, mounting panel (901) are close to one side fixedly connected with a plurality of sliding rods (902) of sliding block (3), the one end of sliding rod (902) articulates and is connected with head rod (903), head rod (903) are kept away from the one end of sliding rod (902) articulates and is connected with second connecting rod (904), second connecting rod (904) are kept away from the one end fixedly connected with of head rod (903) with adjusting screw (5) matched with clamp plate (905).

2. A limit clamping device as claimed in claim 1, wherein: the top of the clamp body (1) is provided with a sliding groove, and the bottoms of the fixed clamp block (2) and the sliding block (3) are fixedly connected with sliding blocks matched with the sliding groove.

3. A limit clamping device as claimed in claim 1, wherein: the fixed clamp block (2) and the two sides of the top of the sliding block (3) are connected with positioning screws in a threaded mode, and the positioning screws penetrate through the fixed clamp block (2) and the sliding block (3) are attached to the top of the clamp body (1).

4. A limit clamping device as claimed in claim 1, wherein: the movable clamp block (4) comprises a clamp plate (401) and a rectangular block (402), the sliding block (3) is located on one side of the rectangular block (402) and provided with a rectangular groove (403), the center point of the rectangular block (402) corresponds to the center point of the adjusting screw (5), and the center of the rectangular block (402) is provided with a threaded hole matched with the adjusting screw (5).

5. A limit clamping device as claimed in claim 1, wherein: a plane (701) is formed at one end, close to the hinge bracket (6), of the handle (7), and transitional cambered surfaces (702) are formed at two sides, close to the plane (701), of the handle (7).

6. A limit clamping device as claimed in claim 1, wherein: the pushing plate (8) is located at the position of the hinge bracket (6) and provided with a sliding groove (801), the mounting plate (901) is located at the position of the hinge bracket (6) and provided with a rotating hole, and one surface of the pushing plate (8) corresponding to the mounting plate (901) is embedded with a magnetic block.

7. A limit clamping device as claimed in claim 1, wherein: sliding holes are formed in the positions of the sliding block (3) located on the sliding rod (902) and the second connecting rod (904), and movable grooves are formed in the positions of the sliding block (3) located on the first connecting rod (903) and the pressing plate (905).

8. A limit clamping device as claimed in claim 1, wherein: the shape of the pressing plate (905) is arc-shaped, and an anti-slip layer is fixedly arranged on the inner wall of the pressing plate (905).