CN217667990U

CN217667990U - Clamping device for machine tool

Info

Publication number: CN217667990U
Application number: CN202221603395.0U
Authority: CN
Inventors: 时磊
Original assignee: Tianjin Zhonghan Technology Development Co ltd
Current assignee: Tianjin Zhonghan Technology Development Co ltd
Priority date: 2022-06-26
Filing date: 2022-06-26
Publication date: 2022-10-28
Anticipated expiration: 2032-06-26

Abstract

The utility model discloses a clamping device for lathe, include the bottom plate and fix the riser in bottom plate top edge, one side symmetry of riser is worn to be equipped with two second guide posts that are located the riser top and is located two first guide posts of riser below, two the rear end of first guide post and two second guide posts is fixed with the locking plate, the front end swing joint of first guide post have can with the clamp plate of second guide post block, the center department of riser is fixed with the location axle, the locking bolt who is equipped with riser looks butt is worn to be equipped with by the rear surface screw thread of locking plate, has realized conveniently loading and unloading and has treated the part of processing, and the part is more stable, more firm, guarantees the axiality requirement of part, simple structure, and convenient operation is suitable for the side processing of various cylinder side processing or irregularly shaped part.

Description

Clamping device for machine tool

Technical Field

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

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any process in a process, the means for quickly, conveniently and safely mounting a workpiece may be referred to as a fixture.

In the prior art, the parts to be processed are tightly pressed by using the bent plate and the pressing plate, the pressing plates are mutually independent, the clamping firmness is poor, the repeated positioning precision is poor, and the processing method is not suitable for processing large-batch and high-precision parts.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a clamping device for machine tool, the part of processing is treated to convenient loading and unloading, and the part is more stable, more firm, guarantees the axiality requirement of part, simple structure, and convenient operation is suitable for the side processing of various cylinder side processing or irregularly shaped part.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a clamping device for lathe, includes the bottom plate and fixes the riser in bottom plate top edge, one side symmetry of riser is worn to be equipped with two second guide posts that are located the riser top and is located two first guide posts of riser below, two the rear end of first guide post and two second guide posts is fixed with the locking plate, the front end swing joint of first guide post have can with the clamp plate of second guide post block, the center department of riser is fixed with the location axle, the locking bolt who is equipped with riser looks butt is worn to be equipped with by the rear surface screw thread of locking plate.

As an optimal technical scheme of the utility model, the second hexagon socket head cap screw that closes soon with the riser is worn to be equipped with in the bottom of bottom plate.

As an optimal technical scheme of the utility model, wear to be equipped with the first hexagon socket head cap screw that closes soon with first guide post in the bottom of the front surface of clamp plate.

As a preferred technical scheme of the utility model, the clamp plate has seted up the draw-in groove towards one side of location axle, the draw-in groove is located the top of clamp plate, just the annular groove with draw-in groove matched with has been seted up in the outside of second guide post.

As a preferred technical scheme of the utility model, the rear end of location axle is provided with the screw thread post that runs through the riser and extend the certain length of riser, the outside of screw thread post closes the fixation nut who is used for fixed position axle soon.

As a preferred technical scheme of the utility model, the equal shaping of the rear end of first guide post and second guide post has the screw thread post that runs through the locking plate, just the outside of screw thread post is closed soon and is used for the fixation nut of fixed locking plate.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the positioning shaft fixed on the front surface of the vertical plate is designed to position the workpiece, and the length of the locking bolt between the vertical plate and the locking plate is increased by screwing the locking bolt and the locking plate, so that the locking plate drives the pressing plate to tightly press the workpiece through the first guide column and the second guide column, the part to be machined is conveniently assembled and disassembled, the part is more stable and firmer, the coaxiality requirement of the part is ensured, the structure is simple, the operation is convenient, and the positioning shaft is suitable for machining the side surfaces of various cylinders or machining the side surfaces of parts with irregular shapes;

2. through the design of the fixing nut screwed with the threaded columns at the rear ends of the first guide column and the second guide column, a stable whole is formed between the two first guide columns, the two second guide columns and the locking plate, and the pressing plate can be driven to move when the locking plate moves.

Drawings

Fig. 1 is a schematic perspective view of the clamping device of the present invention;

FIG. 2 is a schematic view of another angle of the clamping device of the present invention;

FIG. 3 is a schematic cross-sectional view of the clamping device of the present invention;

wherein: 1. a base plate; 2. a vertical plate; 3. a first hexagon socket head cap screw; 4. a first guide post; 5. pressing a plate; 6. positioning the shaft; 7. a second guide post; 8. a locking plate; 9. fixing a nut; 10. locking the bolt; 11. a second hexagon socket screw; 12. an annular groove; 13. a clamping groove.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Examples

Referring to fig. 1-3, the present invention provides a clamping device for a machine tool, including a vertical plate 2 fixed at the top edge of a bottom plate 1 by a second hexagon socket head cap screw 11, and a locking plate 8 is arranged at a certain distance behind the vertical plate 2, and two first guide posts 4 and two second guide posts 7 pass through the vertical plate 2 and the locking plate 8, and the second guide posts 7 are located above the first guide posts 4, and the two first guide posts 4 and the two second guide posts 7 are arranged symmetrically in pairs, and the rear ends of the first guide posts 4 and the second guide posts 7 are formed with threaded posts penetrating through the locking plate 8, and the first guide posts 4 and the second guide posts 7 are connected with the locking plate 8 into a whole by the locking plate 8 screwed with the threaded posts, so that when the locking plate 8 moves, the two first guide posts 4 and the two second guide posts 7 are driven to move together, and the first hexagon socket head cap screw 3 passes through a pressing plate 5 to limit a pressing plate 5 on the first guide posts 4, the pressing plate 5 and the first hexagon socket head cap screw 3 can rotate around the axis of the first hexagon bolt 3; a positioning shaft 6 is fixed at the center of the vertical plate 2, a threaded column penetrating through the vertical plate 2 is arranged at one end of the positioning shaft 6, and the positioning shaft 6 is fixed through screwing of the threaded column and a fixing nut 9; the thread of the locking bolt 10 is screwed into the locking plate 8 and then is abutted with the vertical plate 2;

a clamping groove 13 is formed in one side of the pressing plate 5, an annular groove 12 matched with the clamping groove 13 is formed in the outer side of the second guide column 7, so that the second guide column 7 has a limiting effect, the pressing plate 5 can be clamped with the second guide column 7, and meanwhile, the two pressing plates 5 can rotate around the hexagon socket head cap screw first hexagon socket head cap screw 3, so that the pressing plate 5 and the second guide column 7 can be conveniently separated, and a part to be processed can be conveniently assembled and disassembled; the positioning shaft 6 can realize the accurate positioning of the part to be processed; after the part to be processed is placed, the two pressing plates 5 are placed at the pressing position, the locking bolt 10 is rotated, the locking bolt 10 props against the vertical plate 2 to drive the locking plate 8, the first guide column 4 and the second guide column 7 to move, and therefore the pressing plates are used for pressing the part to be processed; first guide post 4 and second guide post 7 and locking plate 8 fixed connection, when locking bolt 10 withstood riser 2 and drove locking plate 8 motion, can realize two clamp plates 5 synchronization action, stably compress tightly and wait to process the part.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a clamping device for lathe, includes bottom plate (1) and fixes riser (2) at bottom plate (1) top end edge, its characterized in that: two second guide posts (7) located above the vertical plate (2) and two first guide posts (4) located below the vertical plate (2) are symmetrically arranged on one side of the vertical plate (2) in a penetrating mode, two locking plates (8) are fixed to the rear ends of the first guide posts (4) and the two second guide posts (7), the front ends of the first guide posts (4) are movably connected with pressing plates (5) capable of being clamped with the second guide posts (7), positioning shafts (6) are fixed to the center of the vertical plate (2), and locking bolts (10) connected with the vertical plate (2) in a penetrating mode are arranged on the rear surface threads of the locking plates (8).

2. A clamping device for a machine tool according to claim 1, wherein: and a second inner hexagonal bolt (11) screwed with the vertical plate (2) is arranged at the bottom end of the bottom plate (1) in a penetrating way.

3. A clamping apparatus for a machine tool according to claim 1, wherein: and a first inner hexagon bolt (3) screwed with the first guide column (4) penetrates through the bottom of the front surface of the pressing plate (5).

4. A clamping device for a machine tool according to claim 1, wherein: one side, facing the positioning shaft (6), of the pressing plate (5) is provided with a clamping groove (13), the clamping groove (13) is located above the pressing plate (5), and the outer side of the second guide column (7) is provided with an annular groove (12) matched with the clamping groove (13).

5. A clamping device for a machine tool according to claim 1, wherein: the rear end of the positioning shaft (6) is provided with a threaded column which penetrates through the vertical plate (2) and extends out of the vertical plate (2) by a certain length, and a fixing nut (9) used for fixing the positioning shaft (6) is screwed on the outer side of the threaded column.

6. A clamping apparatus for a machine tool according to claim 1, wherein: the rear ends of the first guide column (4) and the second guide column (7) are respectively provided with a threaded column which penetrates through the locking plate (8), and the outer side of the threaded column is screwed with a fixing nut (9) which is used for fixing the locking plate (8).