CN211841066U

CN211841066U - Clamping device for machining

Info

Publication number: CN211841066U
Application number: CN202020289405.2U
Authority: CN
Inventors: 周阳
Original assignee: China Aviation Technology Shanghai Co ltd
Current assignee: China Aviation Technology Shanghai Co ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-11-03
Anticipated expiration: 2030-03-11

Abstract

The utility model discloses a clamping device for machining, the on-line screen storage device comprises a base, the top surface both ends fixed mounting of base has the fixed axle, two the top of fixed axle is connected with a plurality of roofs, the bottom surface of roof is equipped with the spout, slidable mounting has two slides in the spout, the bottom surface fixed mounting of roof has the biax motor, the equal fixedly connected with threaded rod of left and right output of biax motor, two the other end of threaded rod rotates the installation with the lateral wall of fixed axle respectively, two the threaded sleeve is installed to the equal screw thread of threaded rod. The utility model discloses an elastic clamping mechanism prevents at the tight in-process of clamp, damages machinery itself to some extent, and elastic clamping mechanism has the effect of buffering to pressing from both sides tight in-process, has protected machinery when pressing from both sides tightly, can satisfy the machinery of equidimension not when pressing from both sides tight machinery, need not be at the in-process of processing, changes and presss from both sides tight head, has improved work efficiency, has practiced thrift the cost.

Description

Clamping device for machining

Technical Field

The utility model relates to the field of machinary, especially, relate to a clamping device for machining.

Background

Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. The Shanghai Piny science and technology hot working cold working can be divided into cutting working and pressure working according to the difference of the working modes. The hot working is usually heat treatment, forging, casting and welding. With the rapid development of modern machining and the rapid development of machining technology, many advanced machining technical methods, such as micro machining technology, rapid forming technology, precise ultraprecise machining technology and the like, are gradually emerged.

The workpiece is required to be clamped and then machined in the machining process, a clamping device in the current market can only clamp the workpiece with a certain length generally, when the workpiece with a long length needs to be produced, the clamp needs to be replaced frequently for production, the replacement of the clamp is troublesome in operation and time-consuming, the production process is affected, and the workpiece can be damaged in the process of clamping the workpiece.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a clamping device for machining.

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

a clamping device for machining comprises a base, fixed shafts are fixedly arranged at two ends of the top surface of the base, a plurality of top plates are connected to the top ends of the two fixed shafts, the bottom surface of the top plate is provided with a sliding chute, two sliding seats are arranged in the sliding chute in a sliding way, a double-shaft motor is fixedly arranged on the bottom surface of the top plate, the left and right output ends of the double-shaft motor are fixedly connected with threaded rods, the other ends of the two threaded rods are respectively rotatably installed on the side wall of the fixed shaft, threaded sleeves are respectively installed on the two threaded rods in a threaded manner, the upper ends of the two threaded sleeves are respectively fixedly connected with corresponding sliding seats, the lower ends of the two threaded sleeves are respectively fixedly connected with an L-shaped fixed arm, the lower end of the L-shaped fixing arm is fixedly connected with a clamping block, an elastic block is embedded in the side wall of the clamping block close to the double-shaft motor, and an elastic clamping mechanism is arranged in the elastic block.

Preferably, the elastic clamping mechanism comprises a plurality of elastic sleeves embedded in the elastic blocks, compression springs are fixedly mounted in the elastic sleeves, limiting blocks are fixedly connected to the other ends of the compression springs, connecting rods penetrate through the elastic sleeves and fixedly connected to the other ends of the connecting rods to clamp ends.

Preferably, the sliding groove and the sliding seat are matched in size.

Preferably, the outer diameter of the threaded rod is smaller than the inner diameter of the threaded sleeve, and the outer thread of the threaded rod is matched with the inner thread of the threaded sleeve.

Preferably, the clamping end is sleeved with a rubber sleeve, and the size of the limiting block is larger than the radius of the connecting rod.

Preferably, the left and right output ends of the double-shaft motor are both provided with a speed reducer.

The utility model has the advantages that:

1, the utility model discloses an elastic clamping mechanism prevents to damage to machinery itself at the tight in-process of clamp, and elastic clamping mechanism has the effect of buffering to the in-process that presss from both sides tightly, has protected machinery when pressing from both sides tightly.

2, the utility model discloses a spout, slide, biax motor, threaded rod, thread bush, L shape fixed arm and tight piece of clamp can satisfy the machinery of equidimension not when pressing from both sides tight machinery, need not be at the in-process of processing, change and press from both sides tight head, have improved work efficiency, have practiced thrift the cost.

Drawings

Fig. 1 is a schematic structural diagram of a clamping device for machining according to the present invention.

Fig. 2 is an enlarged schematic structural diagram of a point a of the clamping device for machining according to the present invention.

Fig. 3 is a schematic structural diagram of an elastic block of the clamping device for machining according to the present invention.

Reference numbers in the figures: the device comprises a base 1, a fixed shaft 2, a top plate 3, a sliding groove 4, a sliding seat 5, a double-shaft motor 6, a threaded rod 7, a threaded sleeve 8, a fixed arm 9L-shaped, a clamping block 10, an elastic block 11, an elastic sleeve 12, a compression spring 13, a limiting block 14, a connecting rod 15 and a clamping end 16.

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.

Referring to fig. 1-3, a clamping device for machining comprises a base 1, fixed shafts 2 are fixedly installed at two ends of the top surface of the base 1, a plurality of top plates 3 are connected to the top ends of the two fixed shafts 2, sliding grooves 4 are formed in the bottom surfaces of the top plates 3, two sliding seats 5 are slidably installed in the sliding grooves 4, a double-shaft motor 6 is fixedly installed on the bottom surface of each top plate 3, threaded rods 7 are fixedly connected to left and right output ends of the double-shaft motor 6, the other ends of the two threaded rods 7 are respectively rotatably installed on the side walls of the fixed shafts 2, threaded sleeves 8 are respectively installed on the two threaded rods 7 in a threaded manner, the upper ends of the two threaded sleeves 8 are respectively fixedly connected with the corresponding sliding seats 5, L-shaped fixed arms 9 are respectively fixedly connected to the lower ends of the two threaded sleeves 8, clamping blocks 10 are respectively fixedly connected to, be equipped with elastic clamping mechanism in the elastic block 11, elastic clamping mechanism includes a plurality of elastic sleeve 12 of inlaying dress in elastic block 11, fixed mounting has compression spring 13 in elastic sleeve 12, compression spring 13's other end fixedly connected with stopper 14, stopper 14's other end fixed connection runs through elastic sleeve 12's connecting rod 15, connecting rod 15's other end fixedly connected with presss from both sides tight end 16, spout 4 and slide 5's big or small adaptation, the external diameter of threaded rod 7 is less than the internal diameter of thread bush 8, the external screw thread of threaded rod 7 and the internal thread adaptation of thread bush 8, it is equipped with the rubber sleeve to press from both sides tight end 16 cover, stopper 14's size is greater than connecting rod 15's radius, the left and right output of double-axis.

The working principle is as follows: the utility model discloses, the machinery that will process is placed in base 1's top surface, open double-shaft motor 6 and reduction gear, double-shaft motor 6's a left side, the right-hand member output drives threaded rod 7 and rotates, under spout 4 and slide 5's cooperation guide, drive the 8 inside removals of thread bush, thread bush 8 drives L shape fixed arm 9 inside removal, thereby it will add a little clamp tightly to drive clamp block 10, thereby can be adapted to not machinery of equidimension, at the tight in-process of clamp, clamp end 16 drives stopper 14, extrude compression spring 13, there is the cushioning effect to tight machinery of clamp, prevent that the tight strength of clamp from excessively having the injury to machinery.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The clamping device for machining comprises a base (1) and is characterized in that fixed shafts (2) are fixedly mounted at two ends of the top surface of the base (1), a plurality of top plates (3) are connected to the top ends of the fixed shafts (2), sliding grooves (4) are formed in the bottom surfaces of the top plates (3), two sliding seats (5) are slidably mounted in the sliding grooves (4), a double-shaft motor (6) is fixedly mounted on the bottom surface of each top plate (3), threaded rods (7) are fixedly connected to the left output end and the right output end of each double-shaft motor (6), the other ends of the two threaded rods (7) are rotatably mounted with the side walls of the fixed shafts (2) respectively, threaded sleeves (8) are mounted on the two threaded rods (7) in a threaded mode, the upper ends of the two threaded sleeves (8) are fixedly connected with the corresponding sliding seats (5) respectively, and L-shaped fixed arms (9) are fixedly connected, the lower end of the L-shaped fixing arm (9) is fixedly connected with a clamping block (10), the side wall, close to the double-shaft motor (6), of the clamping block (10) is embedded with an elastic block (11), and an elastic clamping mechanism is arranged in the elastic block (11).

2. The clamping device for machining according to claim 1, wherein the elastic clamping mechanism comprises a plurality of elastic sleeves (12) embedded in the elastic blocks (11), compression springs (13) are fixedly installed in the elastic sleeves (12), limiting blocks (14) are fixedly connected to the other ends of the compression springs (13), connecting rods (15) penetrating through the elastic sleeves (12) are fixedly connected to the other ends of the limiting blocks (14), and clamping ends (16) are fixedly connected to the other ends of the connecting rods (15).

3. A clamping device for machining according to claim 1, characterised in that the slide (5) and the runner (4) are adapted in size.

4. A clamping device for machining according to claim 1, characterised in that the outer diameter of the threaded rod (7) is smaller than the inner diameter of the threaded sleeve (8), the outer thread of the threaded rod (7) fitting the inner thread of the threaded sleeve (8).

5. The clamping device for machining according to claim 2, wherein the clamping end (16) is sleeved with a rubber sleeve, and the size of the limiting block (14) is larger than the radius of the connecting rod (15).

6. A clamping device for machining according to claim 1, characterized in that a reducer is mounted on each of the left and right output ends of the double-shaft motor (6).