Automatic hydraulic tailstock of numerical control machine tool

Abstract

The utility model provides an automatic hydraulic tailstock of a numerical control machine tool, which relates to the technical field of hydraulic tailstocks and comprises a base, a sleeve is mounted at the top end of the base, a lubricating mechanism is mounted in the sleeve close to the front side, and a sliding rod is slidably connected in the sleeve. A built-in groove is formed in the position, close to the front face, of the interior of the sleeve and located on the periphery of the sliding rod, a driven gear is connected to the position, close to the front face, of the interior of the built-in groove, a plurality of connecting rods are welded to the front face of the sleeve at the front face extending position of the driven gear in a surrounding mode, and a driving assembly is installed at the position, close to the front face, of the top end of the sleeve. The lubricating mechanism comprises a sealing cover, a driving gear can be driven to rotate through rotation of a motor, so that the driving gear drives a fixing ring and a wiping ring to rotate through a connecting rod, a traditional manual smearing mode can be replaced for adding lubricating oil, the use convenience is greatly improved, and the practicability is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic tailstock technical field especially relates to a numerical control machine automatic hydraulic tailstock. BACKGROUND

[0002] Numerical control machine is the abbreviation of digital control machine, it is a kind of automatic machine tool equipped with program control system, the control system can logically process the program with control code or other symbolic instruction specification, and it is translated into code, with code number, through information carrier input numerical control device, by arithmetic processing, various control signals are sent by numerical control device, the action of machine tool is controlled, according to the shape and size required by drawing, automatically process parts, and the main role of numerical control machine automatic hydraulic tailstock is to provide stable clamping force and support, ensure the stability and precision of workpiece in the machining process;

[0003] In the use process of numerical control machine automatic hydraulic tailstock, lubricating oil needs to be added between the push rod and the sleeve to prevent the sliding of the push rod from being blocked, and the common numerical control machine automatic hydraulic tailstock structure is relatively simple, lacks lubricating structure, and the addition of lubricating oil is usually manually smeared by artificial, the operation steps are very tedious, and the practicality is insufficient, therefore, we propose a numerical control machine automatic hydraulic tailstock. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art, in the use process of numerical control machine automatic hydraulic tailstock, lubricating oil needs to be added between the push rod and the sleeve to prevent the sliding of the push rod from being blocked, and the common numerical control machine automatic hydraulic tailstock structure is relatively simple, lacks lubricating structure, and the addition of lubricating oil is usually manually smeared by artificial, the operation steps are very tedious, and the practicality is insufficient.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A numerical control machine automatic hydraulic tailstock, including base, the top of base is installed with sleeve, the inside of sleeve is installed with lubricating mechanism near the front,

[0007] The inside of sleeve is slidably connected with slide rod, the inside of sleeve is provided with built-in groove near the front and at the periphery of slide rod, the inside of built-in groove is rotatably connected with driven gear near the front, the front of driven gear extends and is surrounded by a plurality of connecting rods welded on the front of sleeve, the top of sleeve is installed with driving assembly near the front,

[0008] The lubricating mechanism comprises a cover, a groove is arranged on the back of the cover and at the periphery of the sliding rod, a fixing ring is rotatably connected in the groove, a clamping groove is arranged on the inner side of the fixing ring, a wiping ring is arranged in the clamping groove, and a conveying pipeline is arranged on the top end of the cover and communicates with the groove.

[0009] As a preferred scheme of the utility model, the bottom of the base is symmetrically provided with a sliding groove near the left and right sides.

[0010] The technical effect of the above further scheme is that the base is conveniently installed on the track of the external driving device through the sliding groove, so that the overall equipment slides more smoothly, and the use stability is improved.

[0011] As a preferred scheme of the utility model, the back of the sleeve is provided with a hydraulic cylinder with an output end facing the front, and one end of the sliding rod near the back is fixedly connected with the output end of the hydraulic cylinder.

[0012] The technical effect of the above further scheme is that the sliding rod is driven to move forward and backward through the extension of the hydraulic cylinder, so as to provide stable clamping force and support, and ensure the stability and precision of the workpiece in the machining process.

[0013] As a preferred scheme of the utility model, the driving assembly comprises a dust cover, a motor with an output end facing the bottom is arranged in the dust cover, a driving gear is fixedly connected in the built-in groove and extends to the output end of the motor, and the driving gear is meshingly connected with the driven gear.

[0014] The technical effect of the above further scheme is that the driving gear is driven to rotate through the rotation of the motor, so as to drive the driven gear to rotate and provide power for the rotation of the fixing ring.

[0015] As a preferred scheme of the utility model, the fixing ring is provided with a flow guide groove corresponding to the conveying pipeline at the periphery, and a plurality of through holes are arranged in the inner bottom of the flow guide groove and surround the groove.

[0016] The technical effect of the above further scheme is that the lubricating oil is guided to flow around the fixing ring through the flow guide groove, and flows into the groove through the through holes and is absorbed by the wiping ring, so as to lubricate the sliding rod.

[0017] As a preferred scheme of the utility model, the fixing ring is fixedly connected with one end of the connecting rod near the front.

[0018] The technical effect of the above further scheme is that the fixing ring is fixedly connected with the connecting rod, so that the driven gear drives the fixing ring to rotate, the purpose of surrounding lubrication of the sliding rod is achieved, and the use convenience is improved.

[0019] As the preferred scheme of the utility model, the wiping ring is made of acrylic ester rubber material.

[0020] The technical effect of the further scheme is that the acrylic ester rubber has good oil absorption and oil resistance, is suitable for the adsorption of various greases, solvents and chemicals, has heat resistance, aging resistance and ultraviolet resistance, and is suitable for high-temperature environment and outdoor oil absorption.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] In the utility model, the rotation of the motor can drive the driving gear to rotate, so that the driving gear drives the fixed ring and the wiping ring to rotate through the connecting rod, the traditional manual application of lubricating oil is replaced, the use convenience is greatly improved, and the practicability is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 A schematic diagram of the overall structure of the automatic hydraulic tailstock of the numerical control machine tool is provided in the utility model.

[0024] Fig. 2 A sleeve side structure dissection diagram of the automatic hydraulic tailstock of the numerical control machine tool is provided in the utility model.

[0025] Fig. 3 A lubricating mechanism front structure dissection diagram of the automatic hydraulic tailstock of the numerical control machine tool is provided in the utility model.

[0026] Legend: 1, base; 101, sliding groove; 2, sleeve; 201, sliding rod; 202, built-in groove; 203, driven gear; 204, connecting rod; 205, driving assembly; 2051, dust cover; 2052, motor; 2053, driving gear; 206, hydraulic cylinder; 3, lubricating mechanism; 301, cover; 302, groove; 303, fixed ring; 3031, flow guide groove; 3032, through hole; 304, clamping groove; 305, wiping ring; 306, conveying pipeline. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] For the convenience of understanding the utility model, the following will be described in relation to the utility model more fully, given several embodiments of the utility model, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0029] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be intervening elements, and when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be intervening elements, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, the terminology used in the specification of the utility model herein is only for the purpose of describing specific embodiments and is not intended to limit the utility model, the term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0031] Embodiment 1

[0032] As Figs. 1-3 shown, the utility model provides a technical scheme: a numerical control machine tool automatic hydraulic tailstock, including base 1, the top of base 1 is installed with sleeve 2, the inside of sleeve 2 is installed with lubricating mechanism 3 near the front, the inside of sleeve 2 is slidably connected with slide rod 201, the inside of sleeve 2 is opened built-in recess 202 near the front and is located the periphery of slide rod 201, the inside of built-in recess 202 is rotatably connected with driven gear 203 near the front, the front of driven gear 203 extends and is surrounded with a plurality of connecting rods 204 on the front of sleeve 2, the top of sleeve 2 is installed with drive assembly 205 near the front, lubricating mechanism 3 includes cover 301, the back of cover 301 and the periphery of slide rod 201 are opened with recess 302, the inside of recess 302 is rotatably connected with fixed ring 303, the inside of fixed ring 303 is opened with clamping groove 304, clamping groove 304 is installed with wiping ring 305 in the inside, the top of cover 301 is installed with conveying pipeline 306 that is communicated with recess 302.

[0033] Embodiment 2

[0034] As Figs. 1-3As shown, the bottom of the base 1 is symmetrically provided with a sliding groove 101 near the left and right sides, and the sliding groove 101 is provided with a track for installing the base 1 on an external driving device, so that the device slides more smoothly, improves the stability, the back of the sleeve 2 is provided with a hydraulic cylinder 206 with an output end facing the front, one end of the sliding rod 201 near the back is fixedly connected with the output end of the hydraulic cylinder 206, and the sliding rod 201 can be driven to move forward and backward through the extension and contraction of the hydraulic cylinder 206, so as to provide stable clamping force and support, ensure the stability and precision of the workpiece during machining, and the driving assembly 205 comprises a dust cover 2051, the dust cover 2051 is internally provided with a motor 2052 with an output end facing the bottom, the output end of the motor 2052 extends to the inside of the built-in groove 202 and is fixedly connected with a driving gear 2053, the driving gear 2053 is in meshing connection with the driven gear 203, the driving gear 2053 can be driven to rotate through the rotation of the motor 2052, so that the driving gear 2053 drives the driven gear 203 to rotate, and provides power for the rotation of the fixed ring 303, the fixed ring 303 is provided with a flow guide groove 3031 corresponding to the conveying pipe 306 on the periphery, a plurality of through holes 3032 are arranged around the groove 302 on the inner bottom of the flow guide groove 3031, the flow guide groove 3031 can guide the lubricating oil to flow around the fixed ring 303, and the lubricating oil flows into the groove 302 through the through holes 3032 and is absorbed by the wiping ring 305, so as to lubricate the sliding rod 201, the fixed ring 303 is fixedly connected with one end of the connecting rod 204 near the front, the fixed ring 303 can be driven to rotate through the fixed connection of the fixed ring 303 and the connecting rod 204, so as to achieve the purpose of lubricating the sliding rod 201 around, and improve the use convenience, the wiping ring 305 is made of acrylic rubber material, and part of the lubricating oil can be absorbed and stored by the wiping ring 305, and is uniformly applied to the periphery of the sliding rod 201 for lubrication operation with the rotation of the fixed ring 303.

[0035] The utility model discloses a work flow: when a kind of numerical control machine tool automatic hydraulic tailstock is lubricating oil added and used, first, external conveying equipment injects lubricating oil into the groove 302 inside through conveying pipe 306, and along flow guide groove 3031, lubricating oil flows into wiping ring 305 inside through through hole 3032, driving gear 2053 is rotated by motor 2052, so that driving gear 2053 drives fixed ring 303 to rotate in the groove 302 by driven gear 203 and connecting rod 204, so that the lubricating oil in wiping ring 305 is applied to the periphery of sliding rod 201, in the process, sliding rod 201 is driven to slide back and forth in the sleeve 2 by the extension and contraction of hydraulic cylinder 206, i.e. lubricating oil is applied to sliding rod 201 as a whole, compared with the traditional manual lubricating oil adding mode, the use convenience is greatly improved, and the practicability is effectively improved.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A CNC machine automatic hydraulic tailstock comprising a base (1), characterized in that: The top end of the base (1) is provided with a sleeve (2), and the inside of the sleeve (2) is provided with a lubricating mechanism (3) near the front face. The inside of the sleeve (2) is slidably connected with a sliding rod (201), and a built-in groove (202) is formed in the inside of the sleeve (2) near the front face and at the periphery of the sliding rod (201); a driven gear (203) is rotatably connected to the inside of the built-in groove (202) near the front face; a plurality of connecting rods (204) are welded around the front face of the sleeve (2) at the front face extension of the driven gear (203); and a driving assembly (205) is mounted on the top end of the sleeve (2) near the front face. The lubricating mechanism (3) comprises a cover (301), and a groove (302) is formed in the back face of the cover (301) and at the periphery of the sliding rod (201); a fixed ring (303) is rotatably connected to the inside of the groove (302); a clamping groove (304) is formed in the inner side of the fixed ring (303); and a wiping ring (305) is mounted in the inside of the clamping groove (304).

2. The automatic hydraulic tailstock of a numerical control machine according to claim 1, characterized in that: The bottom of the base (1) is symmetrically provided with a sliding groove (101) near the left and right sides.

3. The automatic hydraulic tailstock according to claim 1, characterized in that: The back face of the sleeve (2) is provided with a hydraulic cylinder (206) with an output end facing the front face, and one end of the sliding rod (201) near the back face is fixedly connected with the output end of the hydraulic cylinder (206).

4. The automatic hydraulic tailstock according to claim 1, characterized in that: The driving assembly (205) comprises a dustproof cover (2051), and the inside of the dustproof cover (2051) is mounted with a motor (2052) with an output end facing the bottom; the output end of the motor (2052) extends into the inside of the built-in groove (202) and is fixedly connected with a driving gear (2053); and the driving gear (2053) is meshingly connected with the driven gear (203).

5. The automatic hydraulic tailstock according to claim 1, characterized in that: The periphery of the fixed ring (303) is provided with a flow guide groove (3031) corresponding to the conveying pipeline (306), and a plurality of through holes (3032) are formed in the inner bottom of the flow guide groove (3031) and around the groove (302).

6. The automatic hydraulic tailstock according to claim 1, characterized in that: The fixed ring (303) is fixedly connected with one end of the connecting rod (204) near the front face.

7. The automatic hydraulic tailstock according to claim 1, characterized in that: The wiping ring (305) is made of acrylic ester rubber.

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