A horizontal machine tool having a tool feed mechanism

By introducing axial and circumferential feed components into a horizontal machine tool, combined with a control unit and a dustproof lubrication mechanism, the problems of low processing efficiency, low precision, and short ball screw life are solved, achieving stable and efficient processing results.

CN119407580BActive Publication Date: 2025-12-26JIANGSU YIKAIZHI IND TECH CO LTD
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Patent Information

Application Number
CN202411620513.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-12-26
Estimated Expiration
2044-11-14

AI Technical Summary

Technical Problem

Existing horizontal machine tool feed mechanisms suffer from low workpiece processing efficiency and accuracy, easy damage to tools and workpieces, and short service life of ball screws during machining.

Method used

It employs axial and circumferential feed components, combined with a control unit, dustproof unit, and lubrication mechanism. By detecting the pressure between the tool and the workpiece, it adjusts the movement speed, performs dustproofing and lubrication, reduces wear, and ensures machining stability.

Benefits of technology

It improves the machining quality and efficiency of workpieces, extends the service life of cutting tools and ball screws, reduces wear and vibration frequency, and enhances machining accuracy.

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    Figure CN119407580B_ABST
Patent Text Reader

Abstract

The application discloses a horizontal machine tool with a tool feeding mechanism and belongs to the horizontal machine tool field. The horizontal machine tool with the tool feeding mechanism comprises a workbench and a base and further comprises a feeding mechanism arranged on the base, wherein the feeding mechanism comprises an axial feeding assembly and a circumferential feeding assembly and is used for driving a tool to perform axial and circumferential machining on a workpiece; the circumferential feeding assembly is arranged on the axial feeding assembly, the axial feeding assembly can drive the circumferential feeding assembly to move along the axial direction of the workpiece, and control units and dustproof units are arranged on the axial feeding assembly and the circumferential feeding assembly, wherein the control units are used for detecting the force borne by the tool during movement, and the dustproof units are used for dustproofing the axial feeding assembly and the circumferential feeding assembly. The application can overcome the problems of low machining efficiency and low machining precision of the workpiece, easy damage of the tool and the workpiece and short service life of the ball screw.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of horizontal machine tools, in particular to a horizontal machine tool with tool feeding mechanism. BACKGROUND

[0002] The horizontal machine tool refers to the machine tool with the spindle axis parallel to the workbench, which generally has three linear shafts and one or two rotating shafts, has the functions of moving and rotating, has the advantages of high efficiency, high precision and wide machining range, can machine various planes, bevels, grooves and the like, is suitable for machining large parts, completes multi-process machining, and is widely used in various industrial fields such as aerospace and medical device production and manufacturing, and generally has a tool feeding mechanism with a moving function as a driving member for moving the tool.

[0003] At present, the tool feeding mechanism of the machine tool is mainly realized through the ball screw structure, and the moving speed of the tool is generally adjusted according to the understanding of the machining material by the worker, but it is difficult to achieve the best machining efficiency, and at the same time, the machining speed may be too fast, which not only affects the machining precision of the workpiece, but also easily causes damage to the tool and the workpiece; in addition, the debris generated during the machining of the workpiece is easy to enter the ball screw, which affects the movement of the tool and the service life of the ball screw. SUMMARY

[0004] The purpose of the present application is to solve the problems of low machining efficiency and low machining precision of the workpiece, easy damage to the tool and the workpiece, and short service life of the ball screw in the prior art, and to provide a horizontal machine tool with tool feeding mechanism.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0006] A horizontal machine tool with tool feeding mechanism, comprising a workbench and a base, further comprising: a feeding mechanism arranged on the base, the feeding mechanism comprising an axial feeding assembly and a circumferential feeding assembly for driving the tool to machine the workpiece in the axial and circumferential directions; the circumferential feeding assembly is arranged on the axial feeding assembly, the axial feeding assembly can drive the circumferential feeding assembly to move along the axial direction of the workpiece, and the axial feeding assembly and the circumferential feeding assembly are both provided with a control unit and a dustproof unit, wherein the control unit is used for detecting the force received by the tool during movement, the dustproof unit is used for dustproofing the axial feeding assembly and the circumferential feeding assembly, the control unit is electrically connected with the corresponding axial feeding assembly and circumferential feeding assembly, and the control unit and the dustproof unit are connected in communication through a pipeline.

[0007] In order to facilitate the machining of the workpiece along the axial direction of the workpiece, preferably, the axial feeding assembly comprises two axial sliding rails and an axial moving seat, the axial sliding rails are symmetrically fixedly connected to the base, a plurality of groups of axial sliding blocks are fixedly connected to the side of the axial moving seat close to the base, the axial sliding blocks are in sliding connection with the axial sliding rails, an axial driving motor and a plurality of groups of first mounting seats are fixedly connected to the base, and the output end of the axial driving motor is fixedly connected with an axial ball screw in rotational connection with the first mounting seat.

[0008] In order to facilitate the machining of the workpiece along the circumferential direction of the workpiece, further, the circumferential feeding assembly comprises two groups of circumferential sliding rails and a circumferential moving seat, the circumferential sliding rails are symmetrically fixedly connected to the axial moving seat, circumferential sliding blocks in sliding connection with the circumferential sliding rails are fixedly connected to the bottom of the circumferential moving seat, a circumferential driving motor and a second mounting seat are fixedly connected to the axial moving seat, and the output end of the circumferential driving motor is fixedly connected with a circumferential ball screw in rotational connection with the second mounting seat.

[0009] In order to ensure the stability of the movement of the tool, still further, a nut assembly matched with the axial ball screw and the circumferential ball screw is fixedly connected to the axial moving seat and the circumferential moving seat, a rotating shaft in rotational connection with the axial ball screw and the circumferential ball screw is rotatably connected to the first mounting seat and the second mounting seat, and a driving gear set is arranged on the rotating shaft and the axial ball screw and the circumferential ball screw, wherein the axial ball screw and the circumferential ball screw drive the rotating shaft in the corresponding direction to rotate through the driving gear set, and the rotating shaft penetrates the nut assembly.

[0010] In order to facilitate the stable forward and reverse movement of the tool, still further, the nut assembly comprises a nut piece sleeved on the axial ball screw or the circumferential ball screw, a sliding groove is formed in the interior of the nut piece, a moving ring is in sliding connection with the interior of the sliding groove, steel balls matched with the axial ball screw or the circumferential ball screw are arranged on the moving ring, and a reverser in communication with the steel balls is arranged in the interior of the moving ring, wherein the steel balls are in close contact with the axial ball screw or the circumferential ball screw.

[0011] In order to facilitate the automatic adjustment of the moving speed of the tool, further, the control unit comprises a plurality of groups of sensing adjustment mechanisms fixedly connected in the sliding groove, a spring is sleeved outside the sensing adjustment mechanism, the sensing adjustment mechanism comprises a fixed cylinder and a compression rod, the end of the compression rod extends to the inside of the fixed cylinder, the end of the compression rod away from the fixed cylinder is connected with a moving ring, the inner side wall of the fixed cylinder is provided with a resistance ring, the end of the compression rod close to the fixed cylinder is provided with a connecting block matched with the resistance ring, and the outer side wall of the fixed cylinder is provided with a gas hole, wherein the resistance ring and the connecting block are electrically connected with corresponding axial driving motors and circumferential driving motors, and the moving ring is further provided with a lubricating mechanism for lubricating the steel balls, the axial ball screw and the circumferential ball screw.

[0012] In order to facilitate the addition of lubricating oil to the steel balls according to the pressure between the tool and the workpiece, thereby reducing the wear of the steel balls, further, the lubricating mechanism comprises an oil storage cavity opened in the side of the moving ring close to the nut piece, an oil discharge channel is opened in the inside of the moving ring, one end of the oil discharge channel is communicated with the oil storage cavity, the other end of the oil discharge channel is communicated with the steel balls, a communication pipe is arranged in the inside of the nut piece, and a first pneumatic valve is arranged on the communication pipe, wherein the outside of the nut piece is fixedly connected with an oil tank communicated with the communication pipe, and the gas hole and the first pneumatic valve are communicated through a pipeline.

[0013] In order to facilitate the cleaning of the machining debris adhered to the surface of the ball screw, further, the dustproof unit comprises sealing rings fixedly connected at both ends of the nut piece, and a cleaning ring is fixedly connected at the end of the sealing ring away from the nut piece, wherein the axial ball screw and the circumferential ball screw penetrate through the sealing ring and the cleaning ring, the cleaning ring is in close contact with the outer side wall of the axial ball screw and the circumferential ball screw, and a blowing mechanism is arranged on the inner side wall of the sealing ring.

[0014] In order to further improve the dustproof effect of the ball screw, further, the blowing mechanism comprises a reciprocating screw rotatably connected between the inner side wall of the sealing ring and the nut piece, a reciprocating sliding block is arranged on the reciprocating screw, two groups of compression cylinders are fixedly connected between the reciprocating sliding block and the inner side wall of the sealing ring, a connecting shaft is rotatably connected to the side of the sealing ring close to the shaft, a first bevel gear set is arranged between the connecting shaft and the shaft, a second bevel gear set is arranged between the reciprocating screw and the connecting shaft, an exhaust ring is opened at the side of the sealing ring close to the axial ball screw and the circumferential ball screw, a jet ring is fixedly connected to the side of the inner side wall of the sealing ring close to the axial ball screw and the circumferential ball screw, and a second pneumatic valve is arranged between the jet ring and one of the compression cylinders, wherein the second pneumatic valve is communicated with the gas hole, the gas outlet end of the jet ring is inclined, and is close to the exhaust ring.

[0015] In order to ensure the stability of lubricating oil supply, further comprising a exhaust pipe connected to one of the compression cylinders, the exhaust pipe is connected to the oil tank, and a pressure relief valve is arranged on the exhaust pipe.

[0016] Compared with the prior art, the horizontal machine tool with tool feeding mechanism has the following beneficial effects:

[0017] 1. The horizontal machine tool with tool feeding mechanism can drive the tool to move along the axial and circumferential directions of the workpiece through the axial feeding assembly and the circumferential feeding assembly, complete multi-directional processing of the workpiece, and ensure the processing quality of the workpiece.

[0018] 2. The horizontal machine tool with tool feeding mechanism can detect the pressure between the tool and the workpiece through the control unit, and adjust the moving speed of the tool in the corresponding direction according to the direction of the pressure, so as to avoid vibration caused by excessive pressure between the tool and the workpiece, improve the processing effect of the workpiece, and prolong the service life of the tool.

[0019] 3. The horizontal machine tool with tool feeding mechanism can control the lubrication mechanism to lubricate the steel ball through the pressure detected by the control unit, so as to reduce the wear of the steel ball when the pressure is too large, ensure the stability of the tool movement, and reduce the frequency of tool vibration, thereby improving the processing effect of the workpiece.

[0020] 4. The horizontal machine tool with tool feeding mechanism can clean most of the dust and debris adhered to the surface of the ball screw through the dustproof unit, and can avoid the entry of small dust and debris into the ball screw and nut through the blowing and sucking mechanism, thereby improving the working precision of the ball screw, reducing the wear of the steel ball, and prolonging the service life of the ball screw.

[0021] The parts not involved in the device are the same as or can be realized by the prior art, and the present application can overcome the problems of low workpiece processing efficiency, low processing precision, easy damage of the tool and workpiece, and short service life of the ball screw. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A structure diagram of the horizontal machine tool with tool feeding mechanism is provided.

[0023] Figure 2 A partial structure diagram of the horizontal machine tool with tool feeding mechanism is provided. Figure 1 ;

[0024] Figure 3 A partial structure diagram of the horizontal machine tool with tool feeding mechanism is provided. Figure 2 ;

[0025] Figure 4 A cross-sectional structure schematic diagram of a nut element and an axial ball screw or a circumferential ball screw in a horizontal machine tool with a tool feeding mechanism according to the present application;

[0026] Figure 5 A partial cross-sectional structure schematic diagram of a fixed cylinder and a compression rod in a horizontal machine tool with a tool feeding mechanism according to the present application;

[0027] Figure 6 A horizontal machine tool with a tool feeding mechanism according to the present application Figure 4 A structure schematic diagram of part A;

[0028] Figure 7 A horizontal machine tool with a tool feeding mechanism according to the present application Figure 4 A structure schematic diagram of part B.

[0029] In the figure: 1, worktable; 2, driving device; 3, chuck; 4, clamp; 5, base; 6, axial slide rail; 7, axial moving seat; 8, axial sliding block; 9, axial driving motor;

[0030] 10, first mounting seat; 11, axial ball screw; 12, nut assembly; 13, rotating shaft;

[0031] 14, driving gear set; 15, circumferential slide rail; 16, circumferential moving seat; 17, circumferential sliding block; 18, circumferential driving motor; 19, second mounting seat; 20, circumferential ball screw; 21, oil tank; 121, nut element; 122, sliding groove; 123, moving ring; 124, steel ball; 125, reverser; 126, inductive adjusting mechanism; 1261, fixed cylinder; 1262, compression rod; 1263, resistance ring; 1264, connecting sliding block; 1265, air hole; 127, spring; 128, oil storage cavity; 129, communication pipe; 1290, first pneumatic valve; 1291, oil discharge passage; 1292, sealing ring; 1293, cleaning ring; 1294, connecting shaft; 1295, first bevel gear set; 1296, reciprocating screw; 1297, second bevel gear set; 1298, reciprocating sliding block; 1299, compression cylinder; 1211, exhaust pipe; 1212, pressure relief valve; 1213, exhaust ring; 1214, air jet ring; 1215, second pneumatic valve. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0033] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0034] Embodiments:

[0035] With reference to Figures 1-7 A horizontal machine tool with a tool feeding mechanism, comprising a workbench 1 and a base 5, the workbench 1 is further provided with a driving device 2, the driving device 2 is provided with a chuck 3, the chuck 3 is provided with a clamp 4 for fixing the workpiece, which is a conventional means in the prior art, so it is not repeated here, and further comprising: a feeding mechanism arranged on the base 5, the feeding mechanism comprises an axial feeding assembly and a circumferential feeding assembly, which are used to drive the tool to process the workpiece in the axial and circumferential directions; the circumferential feeding assembly is arranged on the axial feeding assembly, the axial feeding assembly can drive the circumferential feeding assembly to move along the axial direction of the workpiece, the axial feeding assembly and the circumferential feeding assembly are both provided with a control unit and a dustproof unit, wherein the control unit is used to detect the force received by the tool during movement, the dustproof unit is used to prevent dust from entering the axial feeding assembly and the circumferential feeding assembly, the control unit is electrically connected with the corresponding axial feeding assembly and circumferential feeding assembly, and the control unit and the dustproof unit are connected in communication through a pipeline.

[0036] With reference to Figures 1-3 The axial feeding assembly comprises two axial sliding rails 6 and an axial moving seat 7, the axial sliding rails 6 are fixedly connected in symmetry on the base 5, the axial moving seat 7 is fixedly connected with a plurality of groups of axial sliding blocks 8 on one side close to the base 5, the axial sliding blocks 8 are in sliding connection with the axial sliding rails 6, the base 5 is fixedly connected with an axial driving motor 9 and a plurality of groups of first mounting seats 10, the output end of the axial driving motor 9 is fixedly connected with an axial ball screw 11 in rotational connection with the first mounting seat 10, the circumferential feeding assembly comprises two groups of circumferential sliding rails 15 and a circumferential moving seat 16, the circumferential sliding rails 15 are fixedly connected in symmetry on the axial moving seat 7, the bottom of the circumferential moving seat 16 is fixedly connected with circumferential sliding blocks 17 in sliding connection with the circumferential sliding rails 15, the axial moving seat 7 is fixedly connected with a circumferential driving motor 18 and a second mounting seat 19, the output end of the circumferential driving motor 18 is fixedly connected with a circumferential ball screw 20 in rotational connection with the second mounting seat 19.

[0037] Need to explain, the cutter is arranged on the circumferential moving seat 16, this is the conventional means in the prior art, therefore, do not repeat, in addition, the shape of the cutter is not limited, the staff can adjust according to the machining condition of workpiece, the bottom of the base 5 is inclined, in the process of machining, the debris generated will fall on the base 5, and is concentrated in the central position under the condition of inclination, generally with the staff to clean the debris generated in processing, when the workpiece is machined, the axial driving motor 9 or the circumferential driving motor 18 drives the axial ball screw 11 or the circumferential ball screw 20 to rotate, so as to drive the cutter to move in different directions, realize the machining of workpiece.

[0038] With reference to Figure 2 , Figure 3 The axial moving seat 7 and the circumferential moving seat 16 are fixedly connected with the nut assembly 12 matched with the axial ball screw 11 and the circumferential ball screw 20, the first mounting seat 10 and the second mounting seat 19 are rotatably connected with the rotating shaft 13 close to the axial ball screw 11 and the circumferential ball screw 20, and the rotating shaft 13 is provided with the driving gear set 14 on the axial ball screw 11 and the circumferential ball screw 20, wherein the axial ball screw 11 and the circumferential ball screw 20 drive the rotating shaft 13 in the corresponding direction to rotate through the driving gear set 14, and the rotating shaft 13 penetrates the nut assembly 12.

[0039] Need to explain, the size of the driving gear set 14 arranged on the rotating shaft 13 is smaller than that of the driving gear set 14 on the axial ball screw 11 and the circumferential ball screw 20, so that the rotating speed of the rotating shaft 13 can be improved when the axial ball screw 11 and the circumferential ball screw 20 rotate, and the specific structure of the driving gear set 14 can refer to the technical solutions in the prior art, and those skilled in the art can know that the rotating shaft 13 is driven to rotate through the driving gear set 14 when the axial ball screw 11 and the circumferential ball screw 20 rotate.

[0040] With reference to Figure 4 The nut assembly 12 comprises a nut piece 121 sleeved on the axial ball screw 11 or the circumferential ball screw 20, a sliding groove 122 is formed in the inside of the nut piece 121, a moving ring 123 is slidably connected in the inside of the sliding groove 122, steel balls 124 matched with the axial ball screw 11 or the circumferential ball screw 20 are arranged on the moving ring 123, and a reverser 125 in communication with the steel balls 124 is arranged in the inside of the moving ring 123.

[0041] When the axial ball screw 11 and the circumferential ball screw 20 rotate, the steel ball 124 rotates along the axial ball screw 11 and the circumferential ball screw 20, and the specific structure of the reverser 125 can refer to the technical solutions in the prior art, and those skilled in the art can know that the reverser 125 can ensure the stable forward and reverse movement of the tool.

[0042] With reference to Figures 4-5 , the control unit comprises a plurality of groups of inductive adjusting mechanisms 126 fixedly connected in the sliding groove 122, the inductive adjusting mechanisms 126 are externally sleeved with springs 127, the inductive adjusting mechanisms 126 comprise a fixed cylinder 1261 and a compression rod 1262, the end of the compression rod 1262 extends to the inside of the fixed cylinder 1261, the end of the compression rod 1262 away from the fixed cylinder 1261 is connected with the moving ring 123, the inner side wall of the fixed cylinder 1261 is provided with a resistance ring 1263, the end of the compression rod 1262 close to the fixed cylinder 1261 is provided with a connecting sliding block 1264 matched with the resistance ring 1263, and the outer side wall of the fixed cylinder 1261 is provided with a gas hole 1265. The resistance ring 1263 and the connecting sliding block 1264 are electrically connected with the corresponding axial driving motor 9 and circumferential driving motor 18, and the moving ring 123 is further provided with a lubricating mechanism for lubricating the steel ball 124 and the axial ball screw 11 and the circumferential ball screw 20.

[0043] When the tool processes the workpiece, the moving ring 123 moves in the sliding groove 122, and the compression rod 1262 moves into the fixed cylinder 1261, when the pressure between the tool and the workpiece reaches a certain value, the connecting sliding block 1264 contacts the resistance ring 1263, so that the corresponding axial driving motor 9 and circumferential driving motor 18 reduce the rotating speed, thereby adjusting the feeding speed of the tool, which can avoid damage to the tool and the workpiece while ensuring the processing efficiency of the workpiece. In addition, the compression rod 1262 can also compress the gas in the fixed cylinder 1261 and discharge it through the gas hole 1265.

[0044] With reference to Figure 4 , the lubricating mechanism comprises an oil storage cavity 128 formed in the moving ring 123 close to the nut member 121, the inside of the moving ring 123 is provided with an oil discharge channel 1291, one end of the oil discharge channel 1291 is in communication with the oil storage cavity 128, the other end of the oil discharge channel 1291 is in communication with the steel ball 124, and the inside of the nut member 121 is provided with a communication pipe 129, and the communication pipe 129 is provided with a first pneumatic valve 1290. The outside of the nut member 121 is fixedly connected with an oil tank 21 in communication with the communication pipe 129, and the gas hole 1265 and the first pneumatic valve 1290 are in communication through a pipeline.

[0045] It needs to be explained that the oil tank 21 is used for storing lubricating oil, and the oil tank 21 is in a sealed state, and the oil tank 21 is provided with a filling port, when the gas is introduced into the oil tank 21, the internal lubricating oil will be driven into the communication pipe 129 under the action of gas pressure, by controlling the opening and closing of the first pneumatic valve 1290, the lubricating oil can enter the oil storage cavity 128, and finally through the oil discharge channel 1291 to the steel ball 124, so that when the cutter moves faster, the wear between the steel ball 124, the nut member 121, the axial ball screw 11 and the circumferential ball screw 20 is reduced, thereby extending the service life of the axial ball screw 11, the circumferential ball screw 20 and the steel ball 124.

[0046] With reference to Figure 4 , the dustproof unit comprises a sealing ring 1292 fixedly connected at both ends of the nut member 121, and a cleaning ring 1293 fixedly connected at an end of the sealing ring 1292 away from the nut member 121, wherein the axial ball screw 11 and the circumferential ball screw 20 penetrate through the sealing ring 1292 and the cleaning ring 1293, and the cleaning ring 1293 is in abutment with the outer side wall of the axial ball screw 11 and the circumferential ball screw 20, and the inner side wall of the sealing ring 1292 is provided with a gas blowing mechanism.

[0047] The sealing ring 1292 is sleeved on the axial ball screw 11 and the circumferential ball screw 20, the cleaning ring 1293 is provided with a brush on the side close to the axial ball screw 11 and the circumferential ball screw 20, and when the axial ball screw 11 and the circumferential ball screw 20 rotate, the brush on the cleaning ring 1293 can clean the surface of the axial ball screw 11 and the circumferential ball screw 20, and can clean most of the debris and dust adhered to the axial ball screw 11 and the circumferential ball screw 20.

[0048] With reference to Figure 4 , Figure 6 and Figure 7The blowing mechanism comprises a reciprocating screw rod 1296 rotatably connected between the nut part 121 and the inner side wall of the sealing ring 1292, a reciprocating sliding block 1298 arranged on the reciprocating screw rod 1296, two groups of compression cylinders 1299 fixedly connected between the reciprocating sliding block 1298 and the inner side wall of the sealing ring 1292, a connecting shaft 1294 rotatably connected to one side of the sealing ring 1292 close to the rotating shaft 13, a first bevel gear set 1295 arranged between the connecting shaft 1294 and the rotating shaft 13, a second bevel gear set 1297 arranged between the reciprocating screw rod 1296 and the connecting shaft 1294, an exhaust ring 1213 arranged on one side of the sealing ring 1292 close to the axial ball screw 11 and the circumferential ball screw 20, a jet ring 1214 fixedly connected to the inner side wall of the sealing ring 1292 close to the axial ball screw 11 and the circumferential ball screw 20, and a second pneumatic valve 1215 arranged between the jet ring 1214 and one of the compression cylinders 1299, wherein the second pneumatic valve 1215 is in communication with the air hole 1265, the gas outlet end of the jet ring 1214 is inclined and close to the exhaust ring 1213, and the application further comprises an exhaust pipe 1211 connected to one of the compression cylinders 1299, wherein the exhaust pipe 1211 is in communication with the oil tank 21, and a pressure relief valve 1212 is arranged on the exhaust pipe 1211.

[0049] When the axial ball screw 11 and the circumferential ball screw 20 rotate, the rotating shaft 13 is driven to rotate, the reciprocating screw rod 1296 is driven to rotate through the first bevel gear set 1295, the connecting shaft 1294 and the second bevel gear set 1297, the reciprocating sliding block 1298 is driven to reciprocate, the gas is compressed by the compression cylinder 1299, part of the compressed gas is sprayed to the exhaust ring 1213 through the jet ring 1214, and the dust and debris with small particles can be cleaned (when the pressure between the tool and the workpiece is large, the dust is more likely to enter the ball screw, so when the pressure between the tool and the workpiece is large, the amount of gas sprayed can be controlled through the second pneumatic valve 1215 to ensure the dustproof effect), and part of the compressed gas enters the oil tank 21 through the exhaust pipe 1211 and is in a stable pressure state in the oil tank 21 under the action of the pressure relief valve 1212, so as to ensure the stability of the lubricating oil supply.

[0050] The above is only a preferred specific embodiment of the application, but the protection scope of the application is not limited thereto, and any person skilled in the art can make equivalent replacement or change within the technical range disclosed by the application according to the technical solution and the inventive concept of the application, which should be covered within the protection scope of the application.

Claims

1. A horizontal machine tool with a tool feed mechanism, comprising a table (1) and a base (5), characterized in that, Also include: The feeding mechanism arranged on the base (5), the feeding mechanism includes axial feeding assembly and circumferential feeding assembly, for driving the cutter to workpiece axial and circumferential processing; The circumferential feeding assembly is arranged on the axial feeding assembly, the axial feeding assembly can drive the circumferential feeding assembly to move along the axial direction of the workpiece, the axial feeding assembly and the circumferential feeding assembly are provided with control units and dustproof units, Wherein, the control unit is used for detecting the force received by the cutter during movement, the dustproof unit is used for dustproofing the axial feeding assembly and the circumferential feeding assembly, the control unit is electrically connected with the corresponding axial feeding assembly and circumferential feeding assembly, and the control unit and the dustproof unit are connected through the pipeline; The axial feeding assembly includes two axial sliding rails (6) and an axial moving seat (7), the axial sliding rails (6) are fixedly connected on the base (5) in symmetry, the axial moving seat (7) is fixedly connected with a plurality of axial sliding blocks (8) on the side close to the base (5), the axial sliding blocks (8) and the axial sliding rails (6) are slidably connected, the base (5) is fixedly connected with an axial driving motor (9) and a plurality of first mounting seats (10), and the output end of the axial driving motor (9) is fixedly connected with an axial ball screw (11) rotatably connected with the first mounting seat (10); The circumferential feeding assembly includes two circumferential sliding rails (15) and a circumferential moving seat (16), the circumferential sliding rails (15) are fixedly connected on the axial moving seat (7) in symmetry, the bottom of the circumferential moving seat (16) is fixedly connected with a circumferential sliding block (17) slidably connected with the circumferential sliding rail (15), the axial moving seat (7) is fixedly connected with a circumferential driving motor (18) and a second mounting seat (19), and the output end of the circumferential driving motor (18) is fixedly connected with a circumferential ball screw (20) rotatably connected with the second mounting seat (19); The axial moving seat (7) and the circumferential moving seat (16) are fixedly connected with nut assemblies (12) matched with the axial ball screw (11) and the circumferential ball screw (20), the first mounting seat (10) and the second mounting seat (19) are rotatably connected with shafts (13) rotatably connected with the axial ball screw (11) and the circumferential ball screw (20), Wherein, the axial ball screw (11) and the circumferential ball screw (20) drive the corresponding direction shaft (13) to rotate through the driving gear set (14), and the shaft (13) penetrates the nut assembly (12). The nut assembly (12) comprises a nut piece (121) sleeved on an axial ball screw (11) or a circumferential ball screw (20), an inner part of the nut piece (121) is provided with a sliding groove (122), the sliding groove (122) is slidably connected with a moving ring (123), the moving ring (123) is provided with steel balls (124) matched with the axial ball screw (11) or the circumferential ball screw (20), an inner part of the moving ring (123) is provided with a reverser (125) communicated with the steel balls (124), Wherein, the steel balls (124) are matched with the axial ball screw (11) or the circumferential ball screw (20); The dustproof unit comprises sealing rings (1292) fixedly connected at both ends of the nut piece (121), one end of the sealing ring (1292) away from the nut piece (121) is fixedly connected with a cleaning ring (1293), Wherein, the axial ball screw (11) and the circumferential ball screw (20) penetrate through the sealing ring (1292) and the cleaning ring (1293), and the cleaning ring (1293) is matched with the outer side wall of the axial ball screw (11) and the circumferential ball screw (20), and the inner side wall of the sealing ring (1292) is provided with a blowing mechanism.

2. A horizontal machine tool having a tool feeding mechanism according to claim 1, characterized in that, The control unit comprises a plurality of induction adjusting mechanisms (126) fixedly connected in the sliding groove (122), the induction adjusting mechanism (126) is sleeved with a spring (127) outside, the induction adjusting mechanism (126) comprises a fixed cylinder (1261) and a compression rod (1262), the end of the compression rod (1262) extends to the inside of the fixed cylinder (1261), one end of the compression rod (1262) away from the fixed cylinder (1261) is connected with the moving ring (123), the inner side wall of the fixed cylinder (1261) is provided with a resistance ring (1263), one end of the compression rod (1262) close to the fixed cylinder (1261) is provided with a connecting sliding block (1264) matched with the resistance ring (1263), the outer side wall of the fixed cylinder (1261) is provided with an air hole (1265), Wherein, the resistance ring (1263) and the connecting sliding block (1264) are electrically connected with the corresponding axial driving motor (9) and the circumferential driving motor (18), and the moving ring (123) is further provided with a lubricating mechanism for lubricating the steel balls (124) and the axial ball screw (11) and the circumferential ball screw (20).

3. A horizontal machine tool having a tool feeding mechanism according to claim 2, characterized in that, The lubricating mechanism comprises an oil storage cavity (128) opened in the moving ring (123) close to the nut piece (121), the inner part of the moving ring (123) is provided with an oil discharge channel (1291) communicated with the oil storage cavity (128), one end of the oil discharge channel (1291) is communicated with the steel balls (124), the inner part of the nut piece (121) is provided with a communication pipe (129), and the communication pipe (129) is provided with a first pneumatic valve (1290) The nut part (121) is externally fixedly connected with an oil tank (21) communicated with the communicating pipe (129), and the air hole (1265) is communicated with the first pneumatic valve (1290) through a pipeline.

4. A horizontal machine tool having a tool feeding mechanism according to claim 3, characterized in that, The blowing mechanism comprises a reciprocating screw rod (1296) rotatably connected between the nut part (121) and the inner side wall of the sealing ring (1292), the reciprocating screw rod (1296) is provided with a reciprocating sliding block (1298), the reciprocating sliding block (1298) is fixedly connected with two groups of compression air cylinders (1299) between the inner side wall of the sealing ring (1292), the sealing ring (1292) is rotatably connected with a connecting shaft (1294) on the side close to the rotating shaft (13), the connecting shaft (1294) is provided with a first bevel gear set (1295) between the rotating shaft (13), the reciprocating screw rod (1296) is provided with a second bevel gear set (1297) between the connecting shaft (1294), the sealing ring (1292) is provided with an exhaust ring (1213) on the side close to the axial ball screw (11) and the circumferential ball screw (20), the inner side wall of the sealing ring (1292) is fixedly connected with a gas jet ring (1214) on the side close to the axial ball screw (11) and the circumferential ball screw (20), the gas jet ring (1214) is provided with a second pneumatic valve (1215) between one of the compression air cylinders (1299), The second pneumatic valve (1215) is communicated with the air hole (1265), and the gas outlet end of the gas jet ring (1214) is inclined and close to the exhaust ring (1213).

5. A horizontal machine tool having a tool feeding mechanism according to claim 4, characterized in that, Further comprising an exhaust pipe (1211) communicated with one of the compression air cylinders (1299), the exhaust pipe (1211) is communicated with the oil tank (21), and the exhaust pipe (1211) is provided with a pressure relief valve (1212).

Citation Information

Patent Citations

  • Clamping tool for intelligent mechanical lathe machining and use method thereof

    CN111468974A

  • Horizontal machine tool with cutter feeding mechanism

    CN117984149A