CN219724610U - Self-centering auxiliary positioning and clamping device for lathe machining - Google Patents

Abstract

The utility model provides a self-centering auxiliary positioning clamping device for lathe processing in the technical field of auxiliary clamps for lathe processing, which includes a support base, a driving mechanism and a clamping mechanism. The support base is provided with a centering base, and the driving mechanism includes The drive plate can move left and right on the centering base. The front end of the drive plate is also provided with two spring guide rods. The spring guide rods are equipped with compression springs. One end of the compression spring is fixed on the drive plate. The support base is provided with The spring base extends upward, and the other end of the compression spring is fixed on the spring base. The clamping mechanism includes two heightening support blocks arranged at intervals on the support base. Two transmission plates are slidably connected to the heightening support blocks. The transmission plates It can move in the front and rear directions, and the transmission plate is above the driving plate. The transmission plate is detachably connected to a roller bracket, and the roller bracket is rotatably connected to two spaced positioning rollers; the utility model has high working efficiency and is easy to process. high quality.

Description

A self-centering auxiliary positioning clamping device for lathe processing

Technical field

The utility model belongs to the technical field of auxiliary clamps for lathe processing, and particularly relates to a self-centering auxiliary positioning clamping device for lathe processing.

Background technique

During traditional lathe processing, when processing long shaft and rod workpieces, auxiliary positioning and clamping is required at the end of the workpiece away from the fixture. Traditional auxiliary positioning clamping devices usually require, according to the appearance of the workpiece to be processed. The clamping diameter is pre-adjusted to the contour diameter, and manual centering and positioning based on the center of the workpiece is required before auxiliary positioning and clamping of the workpiece. The whole process takes a lot of time, and the positioning accuracy is also easily affected by the outside world. The interference of factors causes the overall processing quality and efficiency of the workpiece to be low.

Utility model content

In view of the defects in the prior art, the purpose of this utility model is to solve the problem in the prior art that it is difficult to perform auxiliary centering, positioning and clamping of the workpiece during lathe processing, and to provide a self-centering auxiliary positioning for lathe processing. Clamping device, this utility model is mainly used for auxiliary clamping of lathe processing. It can automatically perform centering, positioning and clamping according to the contour of the workpiece. It can realize automatic centering, positioning and auxiliary clamping of the workpiece, and can effectively improve the overall processing. efficiency and processing quality.

The purpose of this utility model is achieved as follows: a self-centering auxiliary positioning clamping device for lathe processing, including a support base, a driving mechanism and a clamping mechanism. The support base is provided with a centering base, and the driving mechanism It includes a drive plate that can move left and right on the centering base. The front end of the drive plate is also provided with two spring guide rods. The spring guide rods are equipped with compression springs. One end of the compression spring is fixed on the drive plate. On the support base, there is a spring base extending upward, and the other end of the compression spring is fixed on the spring base. The clamping mechanism includes two heightening support blocks arranged at intervals on the support base. The heightening support blocks There are two drive plates slidably connected to the drive plate. The drive plate can move in the front and rear directions. The drive plate is above the drive plate. A roller bracket is detachably connected to the drive plate. The roller bracket can rotate. The ground connection has two positioning rollers set at intervals.

In this utility model, the driving plate is pushed to the right, and the two pairs of transmission plates move backward synchronously, and drive a number of positioning rollers installed on the transmission plate to complete the synchronous expansion movement, and the distance between the two sets of positioning rollers becomes larger. At this time, the compression spring installed on the spring guide rod on the front end of the drive plate is in a compressed state. When the device begins to assist in positioning and clamping the workpiece, the drive plate begins to move to the left under the elastic force of the two compression springs. Push, convert the horizontal driving force into the relative synchronous movement of the transmission plate, and then drive the positioning roller installed on the transmission plate to perform synchronous centering and clamping action, until the positioning roller contacts the outer contour of the workpiece, the driving plate stops moving. It can also maintain a constant thrust under the elastic force of the compression spring, and ultimately realize the continuous centering and clamping process of the positioning roller. This utility model is mainly used for auxiliary clamping in lathe processing, and can automatically center and position according to the contour of the workpiece. and clamping, which can realize automatic centering, positioning and auxiliary clamping of the workpiece, and can effectively improve the overall processing efficiency and processing quality.

In order to realize the movement of the transmission plate in the front and rear direction, the driving plate is provided with two limit guide rails. There are chute on both sides of the limit guide rail. The transmission plate is provided with a pulley bracket. The pulley The bracket is rotatably connected to two limit pulleys that cooperate with the chute one by one. The two limit pulleys are symmetrically arranged on both sides of the limit guide rail. When the drive plate moves back and forth in the left and right directions, the The limit pulley can roll along the chute.

In order to guide the driving plate when it moves back and forth in the left and right directions, the centering base is provided with two symmetrically arranged limit slide rails, and the lower side of the driving plate is provided with two limit slide rails that can cooperate with the limit slide rails one by one. guide block.

In order to realize the detachable connection between the positioning roller and the roller bracket, the transmission plate is provided with a clamp support frame, the roller bracket is installed on the clamp support frame, the clamp support frame is provided with several connection holes, and the roller The bracket is provided with several fixing holes that can match the clamp support frame.

As a further improvement of the present invention, the height-increasing support block is provided with a linear slide rail, and the lower side of the transmission plate is provided with a transmission slide block that can slide along the linear slide rail.

In order to realize the reciprocating movement of the drive plate in the left and right directions, a linear driver is connected to the support base, and a telescopic push-pull rod is provided on the linear driver. One end of the push-pull rod away from the linear driver is fixed on the drive plate.

As a further improvement of the present invention, the support base is provided with a fixed base, and the linear driver is connected to the fixed base.

Description of the drawings

Figure 1 is a top view of the utility model.

Figure 2 is a three-dimensional structural view of the utility model.

Figure 3 is a schematic diagram of the working state of the utility model when clamping workpieces.

Figure 4 is a left side view of the utility model.

Figure 5 is a schematic structural diagram of the driving mechanism of the present utility model.

Among them, 1 support base, 2 transmission plate, 3 linear slide rail, 4 transmission slide block, 5 clamp support frame, 501 connection hole, 6 roller bracket, 601 fixed hole, 7 positioning roller, 8 heightening support block, 9 drive plate, 10 spring guide rod, 11 spring base, 12 compression spring, 13 centering base, 14 limit guide rail, 15 pulley bracket, 16 limit pulley, 17 fixed seat, 18 linear drive, 19 push-pull rod, 20 workpiece, 21 limit Slide rail, 22 guide blocks.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings.

As shown in Figures 1 to 5, a self-centering auxiliary positioning clamping device for lathe processing includes a support base 1, a driving mechanism and a clamping mechanism. The support base 1 is provided with a centering base 13, and the driving mechanism includes an adjustable The driving plate 9 moves left and right on the centering base 13. The front end surface of the driving plate 9 is also provided with two spring guide rods 10. The spring guide rods 10 are equipped with compression springs 12. One end of the compression spring 12 is fixed on the driving plate 9. On the support base 1, there is a spring base 11 extending upward. The other end of the compression spring 12 is fixed on the spring base 11. The clamping mechanism includes two heightening support blocks 8 arranged at intervals on the support base 1. The heightening support blocks Two transmission plates 2 are slidably connected to the support block 8. The heightening support block 8 is provided with a linear slide rail 3. The lower side of the transmission plate 2 is provided with a transmission slide block 4 that can slide along the linear slide rail 3. The transmission plate 2 It can move in the front and back direction, and the transmission plate 2 is above the driving plate 9. The transmission plate 2 is detachably connected to a roller bracket 6, and the roller bracket 6 is rotatably connected to two spaced positioning rollers 7; the driving plate 9 is provided with two limit guide rails 14, and there are slide grooves on both sides of the limit guide rail 14 respectively. The transmission plate 2 is provided with a pulley bracket 15, and the pulley bracket 15 is rotatably connected with two slide grooves one by one. The two limit pulleys 16 are matched symmetrically on both sides of the limit guide rail 14. When the drive plate 9 moves back and forth in the left and right directions, the limit pulleys 16 can roll along the chute and center on the base 13. There are two symmetrically arranged limit slide rails 21. The lower side of the drive plate 9 is provided with two guide blocks 22 that can cooperate with the limit slide rails 21 one by one. The drive plate 2 is provided with a clamp support frame 5 and a roller. The bracket 6 is installed on the clamp support frame 5. The clamp support frame 5 is provided with a number of connection holes 501. The roller bracket 6 is provided with a number of fixing holes 601 that can match the clamp support frame 5. The support base 1 is provided with The linear driver 18 is connected to the fixed base 17. The linear driver 18 is connected to the support base 1. The linear driver 18 is provided with a telescopic push-pull rod 19. One end of the push-pull rod 19 away from the linear driver 18 is fixed on the drive plate. 9 on.

In the present utility model, the linear driver 18 preferably uses a cylinder. When working, the linear driver 18 first drives the push-pull rod 19 to push to the right, and the drive plate 9 connected to the push-pull rod 19 also pushes to the right at any time, and at the same time drives the push-pull rod 19 installed on the drive. The limit guide rail 14 on the plate 9 is pushed to the right. At this time, the limit guide rail 14 also drives the limit pulley 16 that closely matches its chute to roll, and then the two pairs of transmission plates 2 connected to the pulley bracket 15 move backward synchronously. movement, and drives a number of positioning rollers 7 installed on the drive plate 2 to complete the synchronous expansion movement, the distance between the two sets of positioning rollers 7 becomes larger, and at this time, the compression spring installed on the spring guide rod 10 on the front end of the drive plate 9 12 is in the pressing state. When the device starts to auxiliary positioning and clamping of the workpiece 20, the linear drive 18 deflates, and its push-pull rod 19 also loses thrust. At this time, the driving plate 9 is under the elastic force of the two compression springs 12 Start pushing to the left from the bottom, and through the limit guide rail 14 installed on the drive plate 9 and the matching limit roller, the horizontal driving force is converted into the relative synchronous movement of the transmission plate 2, and then drives the drive plate 2 installed on the drive plate 2 The positioning roller 7 performs a synchronous centering and clamping action. When the positioning roller 7 contacts the outer contour of the workpiece 20, the driving plate 9 stops moving and can maintain a constant thrust under the elastic force of the compression spring 12, finally achieving positioning. Continuous centering and clamping process of roller 7. The utility model is mainly used for auxiliary clamping in lathe processing. It can automatically perform centering, positioning and clamping according to the contour of the workpiece 20, can realize automatic centering, positioning and auxiliary clamping of the workpiece 20, and can effectively improve the overall processing efficiency and Processing quality.

The present utility model is not limited to the embodiments. On the basis of the technical solutions disclosed in the present utility model, those skilled in the art can make some technical features according to the disclosed technical contents without creative work. Replacements and modifications are within the protection scope of the present invention.

Claims (7)

1. A self-centering auxiliary positioning clamping device for lathe processing, which is characterized in that it includes a support base, a driving mechanism and a clamping mechanism. The support base is provided with a centering base, and the driving mechanism includes a centering base that can be used for alignment. The driving plate moves left and right on the middle base. The front end surface of the driving plate is also provided with two spring guide rods. The spring guide rods are equipped with compression springs. One end of the compression spring is fixed on the driving plate. The support base is provided with a spring base extending upward, and the other end of the compression spring is fixed on the spring base. The clamping mechanism includes two heightening support blocks arranged at intervals on the support base. The heightening support blocks are slidably mounted on the support base. Two transmission plates are connected. The transmission plate can move in the front and rear direction. The transmission plate is above the drive plate. A roller bracket is detachably connected to the transmission plate. Two roller brackets are rotatably connected to the roller bracket. Positioning rollers set at intervals. 2. A self-centering auxiliary positioning clamping device for lathe processing according to claim 1, characterized in that: the driving plate is provided with two limit guide rails, and the two sides of the limit guide rail are respectively opened. There is a chute, and the transmission plate is provided with a pulley bracket. The pulley bracket is rotatably connected with two limit pulleys that match the chute one by one. The two limit pulleys are symmetrically arranged on the limit guide rail. On both sides, when the driving plate moves back and forth in the left and right directions, the limiting pulley can roll along the chute. 3. A self-centering auxiliary positioning clamping device for lathe processing according to claim 2, characterized in that: the centering base is provided with two symmetrically arranged limit slide rails, and the driving plate is There are two guide blocks on the lower side that can cooperate with the limit slide rail one by one. 4. A self-centering auxiliary positioning clamping device for lathe processing according to claim 3, characterized in that: the transmission plate is provided with a clamp support frame, and the roller bracket is installed on the clamp support frame, so The clamp support frame is provided with several connecting holes, and the roller bracket is provided with several fixing holes that can match the clamp support frame. 5. A self-centering auxiliary positioning clamping device for lathe processing according to claim 4, characterized in that: the heightening support block is provided with a linear slide rail, and the lower side of the transmission plate is provided with a sliding rail along the The transmission slider slides on the linear slide rail. 6. A self-centering auxiliary positioning clamping device for lathe processing according to claim 5, characterized in that: the support base is connected to a linear driver, and the linear driver is provided with a telescopic push-pull rod. The end of the push-pull rod away from the linear driver is fixed on the drive plate. 7. A self-centering auxiliary positioning clamping device for lathe processing according to claim 6, characterized in that: the support base is provided with a fixed seat, and the linear driver is connected to the fixed seat.