CN216966992U

CN216966992U - Clamp for lathe

Info

Publication number: CN216966992U
Application number: CN202220123012.3U
Authority: CN
Inventors: 孙建; 董志
Original assignee: Dalian Sanming Heavy Vehicle Parts Manufacture Co ltd
Current assignee: Dalian Sanming Heavy Vehicle Parts Manufacture Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-07-15
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a lathe fixture which comprises an installation frame, wherein a clamping mechanism is installed on the outer wall of the installation frame, the upper end and the lower end of a backing plate are both attached to an inner groove of the installation frame, a shell is fixedly connected to the outer wall of the backing plate, a double-threaded rod is movably connected to the inner part of the shell, and a clamping plate is connected to the outer wall of the double-threaded rod in a threaded mode. The utility model relates to the technical field of lathes, and the lathe fixture is characterized in that round holes at the upper end and the lower end of a base plate are inserted into the outer wall of a bolt through the matching use of the base plate, a shell, a double-end threaded rod, clamping plates and the like, the base plate is embedded into a clamping groove of an installation frame, the position of the base plate is fixed by using nuts, a workpiece is placed between the two clamping plates, the double-end threaded rod rotates to drive the two clamping plates to move, the clamping plates drive a rubber plate to clamp the workpiece, the clamping of the plate-shaped workpiece in a lathe is facilitated, and the versatility of the fixture is improved.

Description

Clamp for lathe

Technical Field

The utility model relates to the technical field of lathes, in particular to a fixture for a lathe.

Background

The lathe is a machine tool for turning a rotating workpiece by mainly using a lathe tool, corresponding processing can be performed on the lathe by using a drill bit, a reamer, a screw tap, a die, a knurling tool and the like, the common lathe has wide processing objects, the adjustment range of the rotating speed and the feeding amount of a main shaft is wide, and the inner surface, the outer surface, the end surface and the inner thread and the outer thread of the workpiece can be processed. The lathe is mainly manually operated by workers, has low production efficiency, is suitable for single-piece and small-batch production and repair workshops, and the chuck clamp is an important component of the lathe and used for clamping parts.

However, most of the existing lathe fixtures clamp the tubular parts by using the chuck, and when the tubular parts are clamped by using the chuck, the existing lathe fixtures have limitations, and the lathe fixtures and the milling machine fixtures cannot be used interchangeably, so that the application range of the fixtures is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a lathe fixture, which solves the problem that most of the existing lathe fixtures utilize chucks to clamp tubular parts, and the limitation exists when plates are clamped.

In order to achieve the purpose, the utility model provides the following technical scheme: a clamp for a lathe comprises a mounting rack, wherein a clamping mechanism is mounted on the outer wall of the mounting rack;

the clamping mechanism comprises a base plate, a shell, a double-head threaded rod and a clamping plate;

the upper and lower both ends of backing plate all laminate mutually with the inside recess of mounting bracket, and the outer wall rigid coupling of backing plate has the shell, and the inside swing joint of shell has double threaded rod, and double threaded rod's outer wall threaded connection has splint.

Preferably, the outer wall of the clamping plate is fixedly connected with a rubber plate.

Preferably, the inside of backing plate has cup jointed the bolt, and the one end of bolt runs through backing plate and mounting bracket looks rigid coupling, and the other end threaded connection of bolt has the nut.

Preferably, one end of the backing plate, which is far away from the shell, is provided with a fixing mechanism;

the fixing mechanism comprises a fixing seat, a groove plate, a connecting pin and a threaded cap;

one side of the fixing seat is fixedly connected with the base plate, the other side of the fixing seat is hinged with a groove plate, a connecting pin is sleeved inside the groove plate, one end of the connecting pin penetrates through the groove plate to be fixedly connected with the fixing seat, and the other end of the connecting pin is in threaded connection with a threaded cap.

Preferably, one end of the mounting frame, which is far away from the base plate, is provided with an assembling mechanism;

the assembling mechanism comprises a round rod, an inserting plate, a bolt and a buckle plate;

the top of round bar and mounting bracket looks rigid coupling, the outer wall laminating of round bar has the picture peg, and the internal thread of picture peg is connected with the bolt, and the outer wall of bolt runs through picture peg and buckle threaded connection, and the inner wall and the round bar of buckle are laminated mutually.

Compared with the prior art, the utility model has the beneficial effects that: compared with the prior art, the clamp for the lathe has the following advantages:

through the matching use of the base plate, the shell, the double-threaded rod, the clamping plates and the like, round holes at the upper end and the lower end of the base plate are inserted into the outer wall of the bolt, the base plate is embedded into a clamping groove of the mounting frame, the base plate is fixed in position by using nuts, a workpiece is placed between the two clamping plates, the double-threaded rod rotates to drive the two clamping plates to move, the clamping plates drive the rubber plates to clamp the workpiece, the clamping of the plate-shaped workpiece in a lathe is facilitated, and the versatility of the clamp is increased;

through the cooperation use of round bar, picture peg, bolt and buckle etc, when the lathe used this anchor clamps, the chuck that uses the lathe directly fixed the round bar, when milling machine or machining center used, detained buckle and picture peg at the outer wall of round bar, and the bolt runs through the picture peg and inserts in the buckle, and the buckle closely installs at the outer wall of round bar with the picture peg, and then can fix whole mechanism through picture peg and buckle, therefore anchor clamps can exchange the use in lathe and milling machine, increase application range.

Drawings

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

FIG. 2 is a schematic view of the mounting bracket, backing plate and latch connection of FIG. 1;

FIG. 3 is a schematic view of a connecting mechanism of the backing plate, the fixing seat and the slot plate in FIG. 1;

fig. 4 is a schematic view of a connection structure of the mounting bracket, the round bar and the flashboard in fig. 1.

In the figure: 1. mounting bracket, 2, clamping mechanism, 201, backing plate, 202, shell, 203, double-threaded rod, 204, splint, 3, rubber slab, 4, bolt, 5, nut, 6, fixing mechanism, 601, fixing base, 602, frid, 603, connecting pin, 604, screw cap, 7, assembly mechanism, 701, round bar, 702, picture peg, 703, bolt, 704, buckle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

As can be seen from fig. 1 and 2, a lathe fixture comprises an installation frame 1, a clamping mechanism 2 is installed on the outer wall of the installation frame 1, the clamping mechanism 2 comprises a base plate 201, a shell 202, a double-threaded rod 203 and a clamping plate 204, the upper end and the lower end of the base plate 201 are both attached to an inner groove of the installation frame 1, the outer wall of the base plate 201 is fixedly connected with the shell 202, the inner part of the shell 202 is movably connected with the double-threaded rod 203, the outer wall of the double-threaded rod 203 is in threaded connection with the clamping plate 204, the outer wall of the clamping plate 204 is fixedly connected with a rubber plate 3, a bolt 4 is sleeved inside the base plate 201, one end of the bolt 4 penetrates through the base plate 201 and is fixedly connected with the installation frame 1, and the other end of the bolt 4 is in threaded connection with a nut 5;

in the specific implementation process, it is worth pointing out that a clamping groove is processed on the outer wall of the mounting rack 1, a circular hole is formed in the backing plate 201, the double-threaded rod 203 is movably connected with the shell 202 through a bearing, and the clamping plate 204 can move in the groove of the shell 202;

further, a strip-shaped grinding line is processed at one end, far away from the clamping plate 204, of the rubber plate 3 to increase friction force, a thread is processed on the outer wall of the bolt 4, and the base plate 201 is fixed on the outer wall of the bolt 4 through the nut 5;

specifically, when needs carry out the clamping to platelike work piece, insert the outer wall of bolt 4 with the round hole at both ends about backing plate 201, backing plate 201 is embedded into the draw-in groove of mounting bracket 1, uses

nut

5 and 4 threaded connection of bolt to carry out position fixing to backing plate 201, places the work piece between two splint 204 afterwards, rotates double threaded rod 203 in shell 202, and double threaded rod 203 rotates and drives two splint 204 and remove, and splint 204 drives rubber slab 3 and carries out the clamping to the work piece.

As can be seen from fig. 1 and 3, a fixing mechanism 6 is installed at one end of the backing plate 201 away from the housing 202, the fixing mechanism 6 includes a fixing base 601, a groove plate 602, a connecting pin 603 and a threaded cap 604, one side of the fixing base 601 is fixedly connected to the backing plate 201, the other side of the fixing base 601 is hinged to the groove plate 602, the connecting pin 603 is sleeved inside the groove plate 602, one end of the connecting pin 603 penetrates through the groove plate 602 to be fixedly connected to the fixing base 601, and the other end of the connecting pin 603 is connected to the threaded cap 604;

in the specific implementation process, it is worth particularly pointing out that six fixing seats 601 are fixedly connected to the side wall of the base plate 201, the groove plate 602 is hinged to the fixing seats 601 through pin shafts, a through groove is formed in the groove plate 602, and threads are machined on the outer wall of the connecting pin 603;

specifically, the backing plate 201 is reversely rotated and then connected with the mounting frame 1, one side with the fixing seats 601 is located at the outside, the workpiece is placed between the corresponding fixing seats 601, the groove plate 602 is rotated in the fixing seats 601, the groove plate 602 tightly supports the workpiece, meanwhile, the groove of the groove plate 602 penetrates through the outer wall of the connecting pin 603, the threaded cap 604 is connected with the connecting pin 603, and then the groove plate 602 is fixed.

As can be seen from fig. 1 and 4, an assembling mechanism 7 is installed at one end of the mounting frame 1 away from the base plate 201, the assembling mechanism 7 includes a round bar 701, an inserting plate 702, a bolt 703 and a buckle plate 704, the top end of the round bar 701 is fixedly connected with the mounting frame 1, the inserting plate 702 is attached to the outer wall of the round bar 701, the bolt 703 is connected to the inner thread of the inserting plate 702, the outer wall of the bolt 704 penetrates through the inserting plate 702 to be connected with the buckle plate 704 through the thread, and the inner wall of the buckle plate 704 is attached to the round bar 701;

in the specific implementation process, it is worth particularly pointing out that the round rod 701 is welded with the mounting frame 1, two bolts 702 are installed in the insertion plate 702, a semicircular groove is formed in the insertion plate 702, the semicircular groove is machined in the buckling plate 704, and the buckling plate 704 and the insertion plate 702 can be buckled on the outer wall of the round rod 701;

specifically, when the fixture is used in a lathe, the round bar 701 is directly fixed by using a chuck of the lathe, when a milling machine or a machining center is used, the pinch plate 704 and the insert plate 702 are buckled on the outer wall of the round bar 701, the bolt 703 in the insert plate 702 is rotated, the bolt 703 penetrates through the insert plate 702 and is inserted into the pinch plate 704, the pinch plate 704 and the insert plate 702 are tightly installed on the outer wall of the round bar 701, and then the whole mechanism can be fixed through the insert plate 702 and the pinch plate 704.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a anchor clamps for lathe, includes mounting bracket (1), its characterized in that: the outer wall of the mounting rack (1) is provided with a clamping mechanism (2);

the clamping mechanism (2) comprises a backing plate (201), a shell (202), a double-end threaded rod (203) and a clamping plate (204);

the upper and lower both ends of backing plate (201) all laminate mutually with the inside recess of mounting bracket (1), the outer wall rigid coupling of backing plate (201) has shell (202), the inside swing joint of shell (202) has double threaded rod (203), the outer wall threaded connection of double threaded rod (203) has splint (204).

2. The jig for a lathe according to claim 1, wherein: the outer wall of the clamping plate (204) is fixedly connected with a rubber plate (3).

3. The jig for a lathe according to claim 1, wherein: bolt (4) have been cup jointed to the inside of backing plate (201), the one end of bolt (4) runs through backing plate (201) and mounting bracket (1) looks rigid coupling, the other end threaded connection of bolt (4) has nut (5).

4. The jig for a lathe according to claim 1, wherein: a fixing mechanism (6) is arranged at one end, far away from the shell (202), of the backing plate (201);

the fixing mechanism (6) comprises a fixing seat (601), a groove plate (602), a connecting pin (603) and a threaded cap (604);

one side and backing plate (201) looks rigid coupling of fixing base (601), the opposite side of fixing base (601) articulates there is frid (602), connecting pin (603) have been cup jointed to the inside of frid (602), the one end of connecting pin (603) runs through frid (602) and fixing base (601) looks rigid coupling, the other end threaded connection of connecting pin (603) has screw cap (604).

5. The jig for a lathe according to claim 1, wherein: an assembling mechanism (7) is installed at one end, far away from the base plate (201), of the mounting frame (1);

the assembling mechanism (7) comprises a round rod (701), an inserting plate (702), a bolt (703) and a pinch plate (704);

the top and mounting bracket (1) looks rigid coupling of round bar (701), the outer wall laminating of round bar (701) has picture peg (702), the internal thread of picture peg (702) is connected with bolt (703), the outer wall of bolt (703) runs through picture peg (702) and buckle (704) threaded connection, the inner wall and the round bar (701) of buckle (704) laminate mutually.