A hydraulic tailstock for CNC machine tools

Abstract

The utility model discloses a hydraulic tailstock for a numerically controlled machine tool, and relates to the technical field of hydraulic tailstocks for machine tools, including a hydraulic tailstock body, wherein track grooves are provided on both sides of the bottom end of the hydraulic tailstock body, a hydraulic push rod is inserted inside the top end of the hydraulic tailstock body, a controller connected to the hydraulic push rod is provided on the right side wall of the hydraulic tailstock body, and a guide plate is fixedly connected to the front and rear side walls of the hydraulic tailstock body, and a card slot is provided on both sides of the guide plate. The utility model has a reasonable design structure, and an adjustment ring is driven to move by an external screw rod, and the adjustment ring drives the hydraulic tailstock body to move on the machine tool guide rail, and at the same time, the convex block is tightly attached to the screw rod groove under the action of a buffer spring, and the lubricating block is tightly attached to the screw rod surface under the action of a fixed block, and when the external screw rod rotates, the convex block clears and cleans the debris mixture mixed in the screw rod groove, and the lubricating block lubricates the screw rod, which has the advantage of being easy to adjust the movement of the tailstock.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic tailstocks for machine tools, in particular to a hydraulic tailstock for numerically controlled machine tools. Background Art

[0002] The tailstock of a machine tool is an important and indispensable component of a machine tool. It is usually installed at the tail of the machine tool guide rail. The inner sleeve on the tailstock can be used to support longer parts after the center is installed. The tailstock of a machine tool is widely used, and its accuracy will directly affect the quality of the parts. Only by deeply analyzing its process characteristics and adopting the correct processing plan can we ensure that the performance of the tailstock meets the use requirements.

[0003] During the operation of existing CNC machine tools, cutting debris will fall on the surface of the screw and guide rails. The debris mixed with cutting fluid will adhere to the surface of the screw and guide rails, causing scratches on the guide rails, affecting the processing accuracy. In addition, most of the tailstocks used for CNC machine tools on the market currently cannot be moved when the tailstock contacts the machine tool due to lack of lubricating oil when not used for a long time. It is time-consuming and laborious to temporarily find lubricating oil.

[0004] Therefore, we provide CNC machine tool hydraulic tailstock to solve the above problems. Utility Model Content

[0005] 1) Technical issues solved

[0006] The utility model aims to make up for the deficiencies of the prior art and provides a hydraulic tailstock for a numerically controlled machine tool.

[0007] 2) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic tailstock of a numerically controlled machine tool, comprising a hydraulic tailstock body, wherein track grooves are provided on both sides of the bottom end of the hydraulic tailstock body, a hydraulic push rod is inserted inside the top end of the hydraulic tailstock body, a controller connected to the hydraulic push rod is arranged on the right end side wall of the hydraulic tailstock body, a guide plate is fixedly connected to the side walls at both ends of the front and rear ends of the hydraulic tailstock body, a card slot is provided on both sides of the left and right sides of the guide plate, an adjusting ring is fixedly connected to the bottom of the hydraulic tailstock body between the track grooves, a moving rod is slidably connected to the front and rear ends of the bottom of the hydraulic tailstock body, a fixed block is fixedly connected to the bottom of the moving rod, a buffer spring is sleeved on the outer surface of the moving rod between the fixed block and the bottom wall of the hydraulic tailstock body, a plurality of convex blocks are connected to the bottom array of the fixed block, a lubricating block is fixedly connected to the bottom of the left end of the fixed block, an oil pipeline is connected to the top of the lubricating block away from the fixed block, an oil storage pipe is connected to the top of the oil storage pipe, and a mounting groove meshing with the outer wall of the oil storage pipe is provided at the bottom end of the hydraulic tailstock body.

[0009] Furthermore, the track groove is slidably connected with the external CNC machine tool guide rail, and an electric hydraulic rod connected to the controller is arranged at the rear end of the hydraulic push rod.

[0010] Furthermore, the guide plate is arranged in a "C" shape, and both left and right sides of the guide plate are arranged at an inclined angle toward the side wall of the hydraulic tailstock body, and the top of the guide plate is connected to the side wall of the hydraulic tailstock body by arranging an extension plate.

[0011] Furthermore, the clamping groove is engaged with the outer wall of the external CNC machine tool guide rail, the clamping groove is opened at an inclined angle near one end of the hydraulic tailstock body, and the clamping groove and the track groove are on the same axis.

[0012] Furthermore, the inner wall of the adjustment ring is rotatably connected to the external screw rod, the hydraulic tailstock body is provided with a buffer groove engaged with the top of the moving rod, the protrusion is arranged at an inclined angle, and the bottom of the protrusion is arranged in an arc shape.

[0013] Furthermore, the side wall of the fixed block is connected to the top wall of the lubricating block by setting a bracket, the bottom of the lubricating block is composed of a sponge block, a convex strip in an arc shape is arranged at the bottom of the lubricating block, and an oil inlet is opened on the side wall of the oil storage pipe.

[0014] III) Beneficial effects

[0015] Compared with the prior art, the hydraulic tailstock of the CNC machine tool has the following beneficial effects:

[0016] 1. The utility model drives the hydraulic tailstock body to move on the machine tool guide rail through the external screw rod through the adjusting ring. At the same time, the convex block is closely attached to the screw rod groove under the action of the buffer spring, and the lubricating block is closely attached to the screw rod surface under the action of the fixed block. When the external screw rod rotates, the convex block clears the debris mixture mixed in the screw rod groove, and the lubricating block lubricates the screw rod, which solves the problem that the tailstock of the existing CNC machine tool cannot be pushed due to lack of lubricating oil when it is not used for a long time, and has the advantage of easy adjustment of the movement of the tailstock.

[0017] 2. The utility model drives the guide plate to move during the movement of the hydraulic tailstock body. The guide plate cleans the surface of the CNC machine tool guide rail under the action of the slot, and the debris moves out of the guide rail with the guide plate, solving the problem of debris mixed with cutting fluid adhering to the guide rail surface during the operation of the existing CNC machine tool, thereby affecting the processing accuracy. The utility model has the advantage of facilitating the cleaning of debris. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is the positive triaxial measurement of the utility model;

[0019] Figure 2 This is a schematic diagram of the adjustment ring of the utility model;

[0020] Figure 3It is a schematic diagram of the protrusion of the utility model;

[0021] Figure 4 It is a schematic diagram of the card slot of the utility model.

[0022] In the figure: 1. hydraulic tailstock body; 2. track groove; 3. hydraulic push rod; 4. controller; 5. guide plate; 6. slot; 7. adjustment ring; 8. moving rod; 9. fixing block; 10. buffer spring; 11. bump; 12. lubrication block; 13. oil pipe; 14. oil storage pipe; 15. installation groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1-4As shown, the utility model provides a technical solution: a hydraulic tailstock of a CNC machine tool, comprising a hydraulic tailstock body 1, track grooves 2 are provided on both sides of the bottom of the hydraulic tailstock body 1, the track grooves 2 are slidably connected with the external CNC machine tool guide rails, a hydraulic push rod 3 is inserted into the top of the hydraulic tailstock body 1, a controller 4 connected to the hydraulic push rod 3 is provided on the right side wall of the hydraulic tailstock body 1, an electric hydraulic rod connected to the controller 4 is provided at the rear end of the hydraulic push rod 3, and the setting of the controller 4 is convenient for adjusting the movement of the hydraulic push rod 3, and the side walls at both ends of the hydraulic tailstock body 1 are fixedly connected with guide plates 5, the guide plates 5 are arranged in a "C" shape, and the left and right sides of the guide plates 5 are inclined toward the side walls of the hydraulic tailstock body 1 at an angle The guide plate 5 is set to facilitate guiding the cutting debris. The top of the guide plate 5 is connected to the side wall of the hydraulic tailstock body 1 by setting an extension plate. The left and right sides of the guide plate 5 are provided with a card slot 6. The card slot 6 is engaged with the outer wall of the external CNC machine tool guide rail. The card slot 6 is opened at an inclined angle near one end of the hydraulic tailstock body 1. The card slot 6 and the track groove 2 are on the same axis. The hydraulic tailstock body 1 drives the guide plate 5 to move during the movement. The guide plate 5 cleans the surface of the CNC machine tool guide rail under the action of the card slot 6, and the debris moves out of the guide rail with the guide plate. The bottom of the hydraulic tailstock body 1 is located between the track grooves 2 and is fixedly connected with an adjusting ring 7. The front and rear ends of the bottom of the hydraulic tailstock body 1 are slidably connected with moving rods 8. The adjusting ring 7 The inner wall is rotatably connected with the external screw rod, the hydraulic tailstock body 1 is provided with a buffer groove meshing with the top of the moving rod 8, the bottom of the moving rod 8 is fixedly connected with a fixed block 9, the outer surface of the moving rod 8 is located between the fixed block 9 and the bottom wall of the hydraulic tailstock body 1 and is sleeved with a buffer spring 10, a plurality of protrusions 11 are connected in an array at the bottom of the fixed block 9, the protrusions 11 are arranged at an inclined angle, the bottom of the protrusions 11 are arranged in an arc shape, and the arrangement of the buffer spring 10 makes the protrusions 11 close to the screw rod groove, the bottom of the left end of the fixed block 9 is fixedly connected with a lubrication block 12, the side wall of the fixed block 9 is connected to the top wall of the lubrication block 12 by setting a bracket, the bottom of the lubrication block 12 is composed of a sponge block, and the bottom of the lubrication block 12 is provided with a convex strip in the shape of an arc The setting of the convex strip makes it easier for the lubricating block 12 to fit the surface of the screw rod. An oil pipe 13 is connected to the top of the lubricating block 12 away from the fixed block 9. An oil storage pipe 14 is connected to the top of the oil pipe 13. An oil inlet is provided on the side wall of the oil storage pipe 14. The external screw drives the hydraulic tailstock body 1 to move on the machine tool guide rail through the adjusting ring 7. At the same time, the convex block 11 is tightly attached to the screw rod groove under the action of the buffer spring 10. The lubricating block 12 is tightly attached to the surface of the screw rod under the action of the fixed block 9. When the external screw rod rotates, the convex block 11 clears and cleans the debris mixture mixed in the screw rod groove, and the lubricating block 12 lubricates the screw rod. A mounting groove 15 that meshes with the outer wall of the oil storage pipe 14 is provided at the bottom of the hydraulic tailstock body 1.

[0025] Working principle: When the hydraulic tailstock of the CNC machine tool is in use, the external screw drives the hydraulic tailstock body 1 to move on the machine tool guide rail through the adjusting ring 7. At the same time, the convex block 11 is tightly attached to the screw groove under the action of the buffer spring 10, and the lubricating block 12 is tightly attached to the screw surface under the action of the fixing block 9. When the external screw rotates, the convex block 11 clears the debris mixture in the screw groove, and the lubricating block 12 lubricates the screw. During the movement of the hydraulic tailstock body 1, the guide plate 5 is driven to move. The guide plate 5 cleans the surface of the CNC machine tool guide rail under the action of the slot 6, and the debris moves out of the guide rail with the guide plate.

Claims

1. A hydraulic tailstock for a numerically controlled machine tool, comprising a hydraulic tailstock body (1), characterized in that: The hydraulic tailstock body (1) is provided with track grooves (2) on both left and right sides of the bottom end, a hydraulic push rod (3) is inserted into the top of the hydraulic tailstock body (1), a controller (4) connected to the hydraulic push rod (3) is provided on the right side wall of the hydraulic tailstock body (1), a guide plate (5) is fixedly connected to the front and rear side walls of the hydraulic tailstock body (1), a clamping groove (6) is provided on both left and right sides of the guide plate (5), an adjustment ring (7) is fixedly connected to the bottom of the hydraulic tailstock body (1) between the track grooves (2), and a moving rod (8) is slidably connected to the front and rear ends of the bottom of the hydraulic tailstock body (1). A fixed block (9) is fixedly connected to the bottom of the moving rod (8); a buffer spring (10) is sleeved on the outer surface of the moving rod (8) between the fixed block (9) and the bottom wall of the hydraulic tailstock body (1); a plurality of protrusions (11) are connected in an array to the bottom of the fixed block (9); a lubricating block (12) is fixedly connected to the bottom of the left end of the fixed block (9); an oil delivery pipe (13) is connected to the top of the lubricating block (12) away from the fixed block (9); an oil storage pipe (14) is connected to the top of the oil delivery pipe (13); and a mounting groove (15) engaged with the outer wall of the oil storage pipe (14) is provided at the bottom of the hydraulic tailstock body (1).

2. The hydraulic tailstock of a CNC machine tool according to claim 1, characterized in that: The track groove (2) is slidably connected to an external CNC machine tool guide rail, and an electric hydraulic rod connected to a controller (4) is provided at the rear end of the hydraulic push rod (3).

3. The hydraulic tailstock of a CNC machine tool according to claim 1, characterized in that: The guide plate (5) is arranged in a "C" shape, and the left and right sides of the guide plate (5) are arranged at an inclined angle toward the side wall of the hydraulic tailstock body (1), and the top of the guide plate (5) is connected to the side wall of the hydraulic tailstock body (1) by arranging an extension plate.

4. The hydraulic tailstock of a CNC machine tool according to claim 1, characterized in that: The clamping groove (6) is engaged with the outer wall of the external CNC machine tool guide rail, the clamping groove (6) is opened at an inclined angle close to one end of the hydraulic tailstock body (1), and the clamping groove (6) and the track groove (2) are located on the same axis.

5. The hydraulic tailstock of a CNC machine tool according to claim 1, characterized in that: The inner wall of the adjusting ring (7) is rotatably connected to the external screw rod, the hydraulic tailstock body (1) is provided with a buffer groove that engages with the top of the moving rod (8), the protrusion (11) is arranged at an inclined angle, and the bottom of the protrusion (11) is arranged in an arc shape.

6. The hydraulic tailstock of a CNC machine tool according to claim 1, characterized in that: The side wall of the fixed block (9) is connected to the top wall of the lubricating block (12) by means of a bracket. The bottom of the lubricating block (12) is composed of a sponge block. The bottom of the lubricating block (12) is provided with a convex strip in the shape of an arc. The side wall of the oil storage pipe (14) is provided with an oil inlet.

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