CN215357348U

CN215357348U - Workpiece clamping mechanism of CNC (computerized numerical control) lathe

Info

Publication number: CN215357348U
Application number: CN202121505534.1U
Authority: CN
Inventors: 吉同军
Original assignee: Suzhou Gaishiteou Electromechanical Technology Co ltd
Current assignee: Suzhou Gaishiteou Electromechanical Technology Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-12-31
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses a workpiece clamping mechanism of a CNC (computer numerical control) lathe, relates to the technical field of CNC lathes, and aims to solve the problem that the workpiece clamping mechanism of a common CNC lathe in the prior art is not easy to separate from a workpiece. The cylinder body is installed to the top of fixed disk, and cylinder body and fixed disk fixed connection, one side of fixed disk is provided with the ejector pin, the top is installed to the one end of ejector pin, and top and ejector pin pass through hexagon socket head cap screw fixed connection, the inboard of top is provided with the thimble, thimble and top sliding connection, the connecting plate is installed to the one end of thimble, and connecting plate and thimble fixed connection, the spring is installed to one side of connecting plate, ejector pin and connecting plate all with spring fixed connection, the inboard of fixed disk sets up in the work piece hole, and work piece hole and fixed disk set up structure as an organic whole, the inside of cylinder body is provided with the piston chamber, and the piston chamber sets up structure as an organic whole with the cylinder body, the inside of piston chamber is provided with the piston.

Description

Workpiece clamping mechanism of CNC (computerized numerical control) lathe

Technical Field

The utility model relates to the technical field of CNC (computerized numerical control) lathes, in particular to a workpiece clamping mechanism of a CNC lathe.

Background

The numerically controlled lathe is one of the widely used numerically controlled machines at present, and is mainly used for cutting and processing inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces with any taper angle, inner and outer curved surfaces of complex rotation, cylinders, conical threads and the like, and can perform grooving, drilling, reaming, boring and the like.

When the workpiece needs to be separated from the clamping mechanism, the workpiece is not easy to separate from the clamping mechanism, and the workpiece is inconvenient to use; therefore, the market urgently needs to develop a workpiece clamping mechanism of the CNC lathe to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a workpiece clamping mechanism of a CNC (computer numerical control) lathe, which aims to solve the problem that the workpiece clamping mechanism of the common CNC lathe, which is proposed in the background technology, is not easy to separate from a workpiece.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a CNC numerical control lathe's work piece clamping mechanism, includes the fixed disk, the cylinder body is installed to the top of fixed disk, and cylinder body and fixed disk fixed connection, one side of fixed disk is provided with the ejector pin, the top is installed to the one end of ejector pin, and top and ejector pin pass through hexagon socket head cap screw fixed connection, the inboard of top is provided with the thimble, thimble and top sliding connection, the connecting plate is installed to the one end of thimble, and connecting plate and thimble fixed connection, the spring is installed to one side of connecting plate, ejector pin and connecting plate all with spring fixed connection.

Preferably, the inner side of the fixed disk is arranged in the workpiece hole, and the workpiece hole and the fixed disk are arranged into an integral structure.

Preferably, a piston chamber is arranged in the cylinder body, the piston chamber and the cylinder body are arranged into an integral structure, a piston is arranged in the piston chamber, and the piston is connected with the cylinder body in a sliding mode.

Preferably, the fixed disk is provided with a first air delivery passage in the interior, the first air delivery passage and the fixed disk are arranged into an integral structure, the fixed disk is provided with a first return air passage in the interior, and the first return air passage and the fixed disk are arranged into an integral structure.

Preferably, a second air delivery passage is arranged in the fixed disk, and the second air delivery passage and the fixed disk are integrated.

Preferably, a second air duct is arranged in the fixed disk, and the second air duct and the fixed disk are integrated.

Preferably, the outer side of the fixed disk is respectively provided with a first air joint and a second air joint, and the first air joint and the second air joint are both in threaded connection with the fixed disk.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model discloses a setting through thimble and spring, be provided with the spring in the inside of ejector pin, the spring passes through the connecting plate with the thimble and is connected, when using the ejector pin to grasp the work piece, the thimble will retract the inside of ejector pin, and extrude the spring, the work piece will contact with the top, effort during all centre grippings will be undertaken by top and ejector pin, the thimble is exactly the elasticity of spring to the effort of work piece, and when the ejector pin withdrawal, when the work piece breaks away from with clamping mechanism, the thimble will be by spring jack-up, the thimble will make work piece and top separation, thereby prevent work piece and top laminating, the condition that causes the work piece can't break away from takes place, the work of breaking away from of work piece has been made things convenient for this clamping mechanism to use convenience more.

2. The utility model discloses a through the setting of cylinder body, the inside of cylinder body is provided with the piston, through the removal of pneumatic form drive piston, and the piston is connected with the ejector pin to also through the pneumatic form with the work piece centre gripping, utilize pneumatics to replace traditional mechanical gear drive, make this clamping mechanism centre gripping action rapider, the tightness during centre gripping is more firm, thereby improves this clamping device's working effect, improves this clamping device's working property.

Drawings

FIG. 1 is a front view of a workholding mechanism of a CNC lathe of the present invention;

FIG. 2 is a cross-sectional view of a workholding mechanism of a CNC lathe of the present invention;

fig. 3 is a sectional view of the carrier rod of the present invention.

In the figure: 1. fixing the disc; 2. a workpiece hole; 3. a cylinder body; 4. a top rod; 5. a piston; 6. a piston chamber; 7. a first gas delivery path; 8. a first return air duct; 9. a first air inlet channel; 10. a first gas joint; 11. a second gas delivery path; 12. a second convoluted air passage; 13. a second air inlet channel; 14. a second gas joint; 15. ejecting the head; 16. a thimble; 17. a connecting plate; 18. a spring.

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.

Referring to fig. 1-3, an embodiment of the present invention is shown: the utility model provides a CNC numerical control lathe's work piece clamping mechanism, including fixed disk 1, cylinder body 3 is installed to the top of fixed disk 1, cylinder body 3 and 1 fixed connection of fixed disk, one side of fixed disk 1 is provided with ejector pin 4, top 15 is installed to the one end of ejector pin 4, top 15 passes through hexagon socket head cap screw fixed connection with ejector pin 4, the inboard of top 15 is provided with thimble 16, thimble 16 and top 15 sliding connection, connecting plate 17 is installed to the one end of thimble 16, connecting plate 17 and thimble 16 fixed connection, spring 18 is installed to one side of connecting plate 17, ejector pin 4 and connecting plate 17 all with spring 18 fixed connection.

Further, the inner side of the fixed disk 1 is arranged in a workpiece hole 2, the workpiece hole 2 and the fixed disk 1 are arranged into an integral structure, and the workpiece hole 2 is used for placing a workpiece.

Further, a piston chamber 6 is arranged inside the cylinder 3, the piston chamber 6 and the cylinder 3 are arranged to be of an integral structure, a piston 5 is arranged inside the piston chamber 6, the piston 5 is connected with the cylinder 3 in a sliding mode, and the piston 5 is fixedly connected with the ejector rod 4.

Further, the inside of fixed disk 1 is provided with first defeated air flue 7, and first defeated air flue 7 sets up structure as an organic whole with fixed disk 1, and the inside of fixed disk 1 is provided with first return air flue 8, and first return air flue 8 sets up structure as an organic whole with fixed disk 1, and first defeated air flue 7 communicates with first return air flue 8 between.

Further, a second air delivery passage 11 is arranged inside the fixed disk 1, and the second air delivery passage 11 and the fixed disk 1 are integrated.

Further, a second square air passage 12 is arranged inside the fixed disk 1, the second square air passage 12 and the fixed disk 1 are arranged into an integral structure, and the second air delivery passage 11 is communicated with the second square air passage 12.

Further, first air connector 10 and second air connector 14 are installed respectively in the outside of fixed disk 1, first air connector 10 and second air connector 14 all with fixed disk 1 threaded connection, the inside of fixed disk 1 still is provided with first intake duct 9 and second intake duct 13, first intake duct 9 and second intake duct 13 set up structure as an organic whole with fixed disk 1, first air connector 10 and first return air flue 8 and first intake duct 9 intercommunication, second air connector 14 and second return air flue 12 and second intake duct 13 intercommunication.

The working principle is as follows: when the clamping device is used, a workpiece is placed in the middle of a workpiece hole 2, the clamping device is connected with an air pump through a first air connector 10, air is conveyed into a first return air passage 8 through a first air inlet channel 9, the air is conveyed into each first air conveying passage 7 through the first return air passage 8, then the air is conveyed into a piston chamber 6 of a cylinder body 3 through the first air conveying passages 7, the air pushes against a piston 5 to move, a push rod 4 moves towards the inner side of the workpiece hole 2, after a push rod 16 touches the workpiece, the push rod 16 retracts into the inner part of the push rod 4 and extrudes a spring 18, the workpiece is contacted with the push head 15, all acting forces during clamping are born by the push head 15 and the push rod 4, the acting force of the push rod 16 on the workpiece is the elastic force of the spring 18, when the workpiece needs to be separated from the clamping mechanism, the air pump is connected through a second air connector 14, and the air is conveyed into a second return air passage 13, and gas is conveyed to the second gas conveying channel 11 through the second gas conveying channel 12, then the gas is conveyed to the interior of the piston chamber 6 of the cylinder body 3 through the second gas conveying channel 11, the gas pushes against the piston 5 to move, so that the ejector rod 4 moves towards the inner side of the cylinder body 3, the ejector pin 16 is jacked up by the spring 18, the ejector pin 16 enables the workpiece to be separated from the ejector head 15, the workpiece is prevented from being attached to the ejector head 15, the situation that the workpiece cannot be separated is caused, the separation work of the workpiece is facilitated, and the clamping mechanism is more convenient to use.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a CNC numerical control lathe's work piece clamping mechanism, includes fixed disk (1), its characterized in that: cylinder body (3) are installed to the top of fixed disk (1), and cylinder body (3) and fixed disk (1) fixed connection, one side of fixed disk (1) is provided with ejector pin (4), top (15) are installed to the one end of ejector pin (4), and top (15) and ejector pin (4) pass through hexagon socket head cap screw fixed connection, the inboard of top (15) is provided with thimble (16), thimble (16) and top (15) sliding connection, connecting plate (17) are installed to the one end of thimble (16), and connecting plate (17) and thimble (16) fixed connection, spring (18) are installed to one side of connecting plate (17), ejector pin (4) and connecting plate (17) all with spring (18) fixed connection.

2. The workpiece clamping mechanism of the CNC lathe as recited in claim 1, wherein: the inner side of the fixed disk (1) is arranged in the workpiece hole (2), and the workpiece hole (2) and the fixed disk (1) are arranged into an integral structure.

3. The workpiece clamping mechanism of the CNC lathe as recited in claim 1, wherein: the piston cylinder is characterized in that a piston chamber (6) is arranged inside the cylinder body (3), the piston chamber (6) and the cylinder body (3) are arranged into an integral structure, a piston (5) is arranged inside the piston chamber (6), and the piston (5) is connected with the cylinder body (3) in a sliding mode.

4. The workpiece clamping mechanism of the CNC lathe as recited in claim 1, wherein: the fixed disk is characterized in that a first air conveying passage (7) is arranged in the fixed disk (1), the first air conveying passage (7) and the fixed disk (1) are arranged into an integral structure, a first return air passage (8) is arranged in the fixed disk (1), and the first return air passage (8) and the fixed disk (1) are arranged into an integral structure.

5. The workpiece clamping mechanism of the CNC lathe as recited in claim 1, wherein: the fixed disk is characterized in that a second air conveying passage (11) is arranged in the fixed disk (1), and the second air conveying passage (11) and the fixed disk (1) are integrated.

6. The workpiece clamping mechanism of the CNC lathe as recited in claim 1, wherein: the fixed disk (1) is internally provided with a second clip-shaped air passage (12), and the second clip-shaped air passage (12) and the fixed disk (1) are integrated.

7. The workpiece clamping mechanism of the CNC lathe as recited in claim 1, wherein: the outer side of the fixed disc (1) is provided with a first air joint (10) and a second air joint (14) respectively, and the first air joint (10) and the second air joint (14) are both in threaded connection with the fixed disc (1).