CN217071537U

CN217071537U - Novel external pressure anchor clamps

Info

Publication number: CN217071537U
Application number: CN202221075578.XU
Authority: CN
Inventors: 肖洋洋; 柳杨; 黄伟
Original assignee: Wuhan Xinjiayi Mechanical And Electrical Equipment Co ltd
Current assignee: Wuhan Xinjiayi Mechanical And Electrical Equipment Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-07-29
Anticipated expiration: 2032-05-07

Abstract

The utility model relates to a machine-building design technical field discloses a novel external pressure anchor clamps, including the frame, install in a plurality of rotatory air cylinders that push down of frame, the pressure head is installed to the piston rod of rotatory air cylinder that pushes down, it is including pressing seat, depression bar to go up the pressure head, set up the spout that the level set up in pressing the seat, the depression bar upper end is fixed with the slider, the slider inlays to be established in the spout, it has compression screw to go up pressure head threaded connection, the compression screw lower extreme supports the slider up end. The utility model has the advantages of it is following and effect: the part to be processed is placed on the lower clamping seat, the piston rod of the lower pressing cylinder is rotated to act, the upper pressing head is driven to rotate and descend, the pressing rod on the upper pressing head presses on the part, and the part is pressed and fixed so as to process the inner wall of the part. After the machining is finished, the piston rod of the rotary pressing cylinder acts again to drive the upper pressing head to rotate and ascend, and the part can be taken down after the upper pressing head is separated from the part.

Description

Novel external pressure anchor clamps

Technical Field

The utility model belongs to the technical field of the machine-building design, in particular to novel external pressure anchor clamps.

Background

The machining center is a highly automated multifunctional numerical control machine tool with a tool magazine and an automatic tool changer. After the workpiece is clamped once in the machining center, the digital control system can control the machine tool to automatically select and replace the cutter according to different procedures, automatically change the rotating speed of a main shaft of the machine tool, the feeding amount, the motion track of the cutter relative to the workpiece and other auxiliary functions, and sequentially complete the machining of multiple procedures on multiple surfaces of the workpiece. And has various tool changing or selecting functions, thereby greatly improving the production efficiency. When a machining center is used for machining the interior of a part with a tubular structure, the machining requirement is difficult to meet by using a conventional clamp such as a three-jaw chuck, so that a special clamp is required to be designed for clamping, and the special clamp can adapt to parts with different sizes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel external pressure anchor clamps has the effect to the quick clamping of tube-shape part, be applicable to not unidimensional part.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a novel external pressure anchor clamps, include the frame, install in a plurality of rotatory air cylinders that push down of frame, the pressure head is installed to the piston rod of rotatory air cylinder that pushes down, it includes pressure seat, depression bar to go up the pressure head, set up the spout that the level set up in the pressure seat, the depression bar upper end is fixed with the slider, the slider inlays to be established in the spout, it has compression screw to go up pressure head threaded connection, the compression screw lower extreme supports the slider up end.

The utility model discloses a further set up to: the chute is a T-shaped groove.

The utility model discloses a further set up to: the pressing rod comprises an upper rod body and a lower rod body, the upper end of the upper rod body is fixed with the sliding block, and the lower rod body is in threaded connection with the lower end of the upper rod body.

The utility model discloses a further set up to: the engine base is provided with lower clamping seats, and three rotary pressing cylinders are distributed around each lower clamping seat.

The utility model discloses a further set up to: the lower clamping seat comprises a base and a positioning seat, the positioning seat is connected to the base through a bolt, and the positioning seat is provided with a positioning portion.

The utility model has the advantages that:

1. the part to be processed is placed on the lower clamping seat, the piston rod of the lower pressing cylinder is rotated to act, the upper pressing head is driven to rotate and descend, the pressing rod on the upper pressing head presses on the part, and the part is pressed and fixed so as to process the inner wall of the part. After the machining is finished, the piston rod of the rotary pressing cylinder acts again to drive the upper pressing head to rotate and ascend, and the part can be taken down after the upper pressing head is separated from the part.

2. When parts of different sizes need to be clamped, the positioning seat is replaced by loosening the bolt, and the positions of the sliding block and the pressing rod can be adjusted along the direction of the sliding groove after the pressing screw rod is loosened, so that the clamping device is suitable for clamping parts of different sizes.

Drawings

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

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the position relationship between the lower clamping seat and the rotary pressing cylinder of the present invention.

Fig. 3 is a schematic view of the structure of the upper pressure head of the present invention.

Fig. 4 is a schematic structural diagram of the part to be processed according to the present invention.

In the figure, 1, a machine base; 2. rotating the pressing cylinder; 3. an upper pressure head; 31. pressing a base; 311. a chute; 32. a pressure lever; 321. a rod body is arranged; 322. a lower rod body; 33. a compression screw; 34. a slider; 4. a lower clamping seat; 41. a base; 42. positioning seats; 421. a positioning part; 5. a part to be machined.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

A novel external pressure clamp is shown in figures 1 to 4 and comprises a machine base 1, four lower clamping bases 4 and twelve rotary pressing cylinders 2, wherein the lower clamping bases 4 and the rotary pressing cylinders 2 are installed on the machine base 1, and three rotary pressing cylinders 2 are distributed around each lower clamping base 4. The upper pressure head 3 is installed on the piston rod of the rotary downward-pressing cylinder 2, the upper pressure head 3 comprises a pressure seat 31, a pressure rod 32 and a compression screw 33, the pressure seat 31 is fixed on the piston rod of the rotary downward-pressing cylinder 2, a horizontal sliding groove 311 is formed in the pressure seat 31, and the sliding groove 311 is a T-shaped groove. The pressing rod 32 comprises an upper rod body 321 and a lower rod body 322, a sliding block 34 is fixed at the upper end of the upper rod body 321, the sliding block 34 is embedded in the sliding groove 311, the upper end of the lower rod body 322 is in threaded connection with the upper rod body 321, and the pressing height after pressing can be adjusted to be fine adjusted properly by adjusting the position between the lower rod body 322 and the upper rod body 321. The compression screw 33 is connected to the pressing base 31 in a threaded manner, and the lower end of the compression screw abuts against the upper end face of the sliding block 34 to fix the position of the sliding block 34. The lower clamping seat 4 comprises a base 41 and a positioning seat 42, the base 41 is installed and fixed on the machine base 1, the positioning seat 42 is connected on the base 41 through a bolt, a positioning portion 421 is arranged on the positioning seat 42, and the positioning portion 421 is used for positioning a part to be processed.

The structure of the part 5 to be processed is shown in fig. 4, the part 5 to be processed is placed on the lower clamping seat 4, the piston rod of the lower pressing cylinder 2 is rotated to drive the upper pressing head 3 to rotate and descend, and the pressing rod 32 on the upper pressing head 3 presses the part to tightly press and fix the part so as to process the inner wall of the part. After the processing is finished, the piston rod of the rotary pressing cylinder 2 acts again to drive the upper pressing head 3 to rotate and rise, and the part can be taken down after the upper pressing head 3 is separated from the part.

Claims

1. A novel external pressure clamp is characterized in that: including frame (1), install in a plurality of rotations of frame (1) push cylinder (2) down, pressure head (3) are installed to the piston rod of rotatory push cylinder (2) down, it includes pressure seat (31), depression bar (32) to go up pressure head (3), set up spout (311) that the level set up in pressure seat (31), depression bar (32) upper end is fixed with slider (34), slider (34) inlay and establish in spout (311), it has compression screw (33) to go up pressure head (3) threaded connection, compression screw (33) lower extreme supports slider (34) up end.

2. A novel external pressure clamp as claimed in claim 1, wherein: the sliding groove (311) is a T-shaped groove.

3. A novel external pressure clamp as claimed in claim 2, wherein: the pressing rod (32) comprises an upper rod body (321) and a lower rod body (322), the upper end of the upper rod body (321) is fixed with the sliding block (34), and the lower rod body (322) is in threaded connection with the lower end of the upper rod body (321).

4. A novel external pressure clamp as claimed in claim 3, wherein: the machine base (1) is provided with lower clamping seats (4), and three rotary pressing cylinders (2) are distributed around each lower clamping seat (4).

5. A novel external pressure clamp according to claim 4 characterized in that: the lower clamping seat (4) comprises a base (41) and a positioning seat (42), the positioning seat (42) is connected to the base (41) through a bolt, and a positioning portion (421) is arranged on the positioning seat (42).