CN205466814U - A throat lining processing equipment - Google Patents

Abstract

The utility model relates to a throat lining processing device, which comprises a numerical control machine tool, wherein the numerical control machine tool comprises a saddle, the upper surface of the saddle is provided with a base plate, the base plate is connected and provided with a first clamp and a second clamp, the second clamp comprises a second fixed support, the second fixed support is rotationally connected with a rotating table towards one side of the first clamp, and a clamping piece is arranged on the rotating table; the first fixture comprises a first fixed support, and a mandril which can extend out towards the direction of the second fixture and push the end surface of one end of the workpiece away from the second fixture is arranged on the first fixed support; when the numerical control machine tool is processed, one end of a workpiece is fixed on the clamping piece, and the other end of the workpiece is tightly propped through the ejector rod, so that the vibration between the main shaft of the numerical control machine tool and the workpiece is reduced, and meanwhile, the clamping damage to the drilling part of the workpiece is avoided; use digit control machine tool, guaranteed the precision of adding man-hour, in addition, carry out lateral shifting and rotate the platform through the backing plate and then drive the work piece and carry out lateral shifting and rotation, easily control accuracy has improved production efficiency.

Description

A throat lining processing equipment

technical field

The utility model relates to the technical field of throat lining processing, in particular to a throat lining processing equipment.

Background technique

Throat lining is the lining material of the throat of the solid rocket motor nozzle. There are multiple through holes inside it. When the rocket is launched, the gas is ejected through the throat of the nozzle to generate thrust. It has very high requirements; most of the throat lining materials currently used are carbon rods. During processing, due to the need to process more through holes on the carbon rods, the carbon rods need to be turned over manually. The production efficiency of the conventional clamping method is low. It is easy to damage the outer surface of the carbon rod, and at the same time, the main shaft vibrates greatly during drilling, which may easily cause the drill bit to break and cause the product to be scrapped.

Utility model content

The technical problem to be solved by the utility model is to provide a throat lining processing equipment with high production efficiency, avoiding damage to the outer surface of the carbon rod and effectively preventing the drill bit from breaking, aiming at the above-mentioned defects of the prior art.

The technical scheme that the utility model solves its technical problem adopts is:

A throat lining processing equipment is constructed, including a numerically controlled machine tool; wherein, the numerically controlled machine tool includes a saddle, and the upper surface of the saddle is provided with a backing plate that can slide laterally along the upper surface of the saddle, and the backing plate is connected to A first fixture and a second fixture for clamping the workpiece to be processed left and right are provided, the second fixture includes a second fixed support for connecting with the backing plate, and the second fixed support faces the first One side of the fixture is rotatably connected to a turntable, and the turntable is provided with a clamping piece for clamping the end of the workpiece; the first fixture includes a first fixed support for connecting with the backing plate , the first fixed support is provided with a push rod that can protrude toward the direction where the second clamp is located and withstand the end surface of the workpiece facing away from the second clamp.

The throat lining processing equipment described in the utility model, wherein, the end of the ejector rod used to withstand the workpiece is tapered.

The throat lining processing equipment described in the utility model, wherein, the first fixed support is provided with a rotating member for manual rotation to make the ejector rod protrude against the workpiece.

The throat lining processing equipment described in the utility model, wherein, a height-adjustable first height-increasing block is arranged between the backing plate and the first fixed support; the backing plate and the second fixed support A height-adjustable second height-increasing block is also arranged between the seats.

The throat lining processing equipment described in the utility model, wherein, the second fixed support is provided with a rotating motor for rotating the turntable; the numerical control machine tool also includes a control device; the rotating motor and the The control device is electrically connected to and controlled by it.

The throat lining processing equipment described in the present invention, wherein, the saddle is provided with a push-pull motor for controlling the sliding of the backing plate; the push-pull motor is electrically connected to and controlled by the control device.

The beneficial effect of the utility model is that: during processing, one end of the workpiece is fixed on the clamping piece, and the other end is tightened by the ejector rod, which reduces the vibration between the spindle of the CNC machine tool and the workpiece, and also avoids drilling the workpiece Parts cause clamping damage; the use of CNC machine tools ensures the accuracy of processing. In addition, the lateral movement and rotation of the turntable through the backing plate drive the workpiece to move laterally and rotate. It is easier to control the accuracy during processing and improve production efficiency. ; The overall structure is simple, easy to assemble and disassemble, easy to control and debug, and low in cost.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the present invention will be further described below in conjunction with the drawings and embodiments. The accompanying drawings in the following description are only part of the embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings on the premise of not paying creative work:

Fig. 1 is a schematic structural diagram of a throat lining processing equipment in a preferred embodiment of the present invention.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be made below in conjunction with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the implementation of the present invention Examples, not all examples. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

The throat lining processing equipment of the preferred embodiment of the present utility model is shown in Figure 1, comprises numerical control machine tool (not shown in the figure), and numerical control machine tool (not shown in the figure) comprises bed saddle 1, and the upper surface of bed saddle 1 is provided with extendable The backing plate 2 that slides laterally on the upper surface of the saddle 1 is connected with a first clamp 4 and a second clamp 5 for clamping the workpiece 3 to be processed left and right on the backing plate 2 , and the second clamp 5 includes a clamp for connecting with the backing plate 2 . The second fixed support 50, the second fixed support 50 is connected with a turntable 51 toward the first clamp 4 side, and the turntable 51 is provided with a clamping member 52 for clamping the end of the workpiece 3; the first clamp 4 includes a first fixed support 40 for connecting with the backing plate 2, and the first fixed support 40 is provided with a push rod that can protrude toward the direction of the second clamp 5 and withstand the end surface of the workpiece 3 away from the second clamp 5 41; during processing, one end of the workpiece 3 is fixed on the clamping member 52, and the other end is tightened by the ejector rod 41, so as to reduce the vibration between the spindle of the CNC machine tool (not shown in the figure) and the workpiece 3, and also avoid Clamping damage is caused to the drilled part of the workpiece 3; the use of a numerically controlled machine tool (not shown in the figure) ensures the accuracy during processing. In addition, the backing plate 2 moves laterally and the turntable 51 rotates to drive the workpiece 3 to move laterally And rotation, it is easier to control the precision during processing, which improves the production efficiency; the overall structure is simple, easy to assemble and disassemble, easy to control and debug, and the cost is low.

As shown in FIG. 1 , one end of the ejector rod 41 used to withstand the workpiece 3 is tapered to reduce contact points with the workpiece 3 and increase the clamping force.

As shown in FIG. 1 , the first fixed support 40 is provided with a rotating member 42 for manual rotation so that the push rod 41 protrudes against the workpiece, which saves more effort in adjustment and is less prone to loosening.

As shown in Figure 1, a height-adjustable first heightening block 6 is also arranged between the backing plate 2 and the first fixed support 40; The second height-increasing block 7; it is convenient to adjust the height of the workpiece 3 during processing, and simultaneously increases the counterweight to enhance the shock absorption effect and stability.

As shown in Figure 1, a rotating motor (not shown) for rotating the turntable 51 is provided on the second fixed support 50; the numerically controlled machine tool (not shown) also includes a control device (not shown); The rotating motor (not shown in the figure) is electrically connected to and controlled by the control device (not shown in the figure), so as to facilitate precise control.

As shown in Figure 1, the saddle 1 is provided with a push-pull motor (not shown) for controlling the sliding of the backing plate 2; the push-pull motor (not shown) is electrically connected with the control device (not shown) and is controlled by it. control for precise control.

It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should belong to the protection scope of the appended claims of the present utility model.

Claims (6)

1. A throat lining processing equipment, comprising a numerically controlled machine tool; it is characterized in that, said numerically controlled machine tool comprises a bed saddle, and said bed saddle upper surface is provided with a backing plate that can extend the said bed saddle upper surface to slide laterally, said backing plate The board is connected with a first clamp and a second clamp for clamping the workpiece to be processed left and right, the second clamp includes a second fixed support for connecting with the backing plate, and the second fixed support faces One side of the first fixture is rotatably connected to a turntable, and the turntable is provided with a clamp for clamping the end of the workpiece; the first fixture includes a first clamp for connecting with the backing plate. A fixed support, the first fixed support is provided with a push rod that can protrude toward the direction where the second clamp is located and withstand the end surface of the workpiece facing away from the second clamp. 2 . The throat liner processing equipment according to claim 1 , characterized in that, the end of the ejector rod for supporting the workpiece is tapered. 3 . 3 . The throat liner processing equipment according to claim 1 , characterized in that, the first fixed support is provided with a rotating member for manual rotation to make the ejector rod protrude against the workpiece. 4 . 4. The throat lining processing equipment according to claim 1, characterized in that, a height-adjustable first heightening block is also arranged between the backing plate and the first fixed support; the backing plate and the first fixed support A height-adjustable second height-increasing block is also arranged between the second fixed supports. 5. The throat lining processing equipment according to claim 1, characterized in that, the second fixed support is provided with a rotating motor for rotating the turntable; the numerically controlled machine tool also includes a control device; the The rotating motor is electrically connected with and controlled by the control device. 6. The throat lining processing equipment according to claim 5, characterized in that, the saddle is provided with a push-pull motor for controlling the sliding of the backing plate; the push-pull motor is electrically connected with the control device and is controlled by it. control.