阅读说明：本技术 一种直列式阀体钻孔加工机床 (In-line type valve body drilling machine tool ) 是由 刘敏杰 董长有 于 2021-09-17 设计创作，主要内容包括：本发明公开了一种直列式阀体钻孔加工机床,属于阀门加工设备技术领域,包括机座,其特征在于还包括工位转换直线模组、工位台座、工件装卡机构、至少两个进给直线模组、加工机头总成。工位转换直线模组安装在机座上；工位台座安装沿工位转换直线模组上,且工位台座由工位转换直线模组驱动直线活移；工件装卡机构安装在工位台座上,工件装卡机构用于装卡阀体；进给直线模组安装在机座上,进给直线模组与工位转换直线模组垂直,进给直线模组设于在工位转换直线模组的侧方,进给直线模组沿工位转换直线模组的延伸方向分布；加工机头总成安装在进给直线模组上,本机床加工效率高,造价成本低,可提高阀体的加工精度和质量。(The invention discloses an in-line valve body drilling processing machine tool, which belongs to the technical field of valve processing equipment and comprises a machine base, and is characterized by further comprising a station conversion linear module, a station pedestal, a workpiece clamping mechanism, at least two feeding linear modules and a processing machine head assembly. The station conversion linear module is arranged on the base; the station pedestal is arranged on the station conversion linear module and is driven by the station conversion linear module to move linearly; the workpiece clamping mechanism is arranged on the station pedestal and is used for clamping the valve body; the feeding linear module is arranged on the base and is vertical to the station conversion linear module, the feeding linear module is arranged on the side of the station conversion linear module, and the feeding linear module is distributed along the extension direction of the station conversion linear module; the machining machine head assembly is arranged on the feeding linear module, the machining efficiency of the machine tool is high, the manufacturing cost is low, and the machining precision and the quality of the valve body can be improved.)

1. An in-line type valve body drilling machine tool comprises a machine base (1) and is characterized by also comprising a machine tool body;

the station conversion linear module (2), the station conversion linear module (2) is arranged on the base (1);

the station pedestal (3) is arranged on the station conversion linear module (2), and the station pedestal (3) is driven by the station conversion linear module (2) to linearly move;

the workpiece clamping mechanism (4), the workpiece clamping mechanism (4) is installed on the station pedestal (3), and the workpiece clamping mechanism (4) is used for clamping the valve body;

the device comprises at least two feeding linear modules (5), wherein the feeding linear modules (5) are installed on the base (1), the feeding linear modules (5) are perpendicular to the station conversion linear module (2), the feeding linear modules (5) are arranged on the side of the station conversion linear module (2), and the feeding linear modules (5) are distributed along the extending direction of the station conversion linear module (2);

and the machining head assembly is arranged on the feeding linear module (5) and is used for machining the valve body.

2. The in-line valve body drilling machine tool of claim 1, comprising:

the work station rotary table (6), the work station rotary table (6) is installed on the work station pedestal (3), the axis of the work station rotary table (6) is vertically arranged, and the workpiece clamping mechanism (4) is fixed on the work station rotary table (6);

the machining device comprises a machine head rotary table (7), wherein the machine head rotary table (7) is installed on the feeding linear module (5), the axis of the machine head rotary table (7) is vertically arranged, at least two machining machine head assemblies are installed on the machine head rotary table (7), and the machine head rotary table (7) is driven by the feeding linear module (5) to move linearly.

3. The in-line valve body drilling machine tool according to claim 2, characterized in that the workpiece chucking mechanism (4) comprises:

the base (4-1), the base (4-1) is fixed on the station revolving platform (6), the base (4-1) comprises two parallel bearing plates which are vertically arranged, the upper parts of the bearing plates are bearing grooves, and positioning jackscrews for positioning the valve body are installed on the bearing plates through threads;

the portal frame (4-2), the portal frame (4-2) is installed on the station rotary table (6);

the clamping oil cylinder (4-3), the clamping oil cylinder (4-3) is installed on the portal frame (4-2), the clamping oil cylinder (4-3) is provided with a clamping cylinder rod which stretches vertically downwards, and the clamping oil cylinder (4-3) is used for pressing the valve body from top to bottom.

4. The in-line valve body drilling machine tool of claim 3, wherein: the processing aircraft nose assembly includes drilling aircraft nose assembly (8), drilling aircraft nose assembly (8) are including drilling motor (8-1), drilling multi-axis ware (8-2) and drill bit (8-3), drilling motor (8-1) with drilling multi-axis ware (8-2) drive connection, drill bit (8-3) are installed on drilling multi-axis ware (8-2).

5. The in-line valve body drilling machine tool of claim 4, wherein: the machining head assembly comprises a boring power assembly (9), the boring power assembly (9) comprises a boring motor (9-1), a boring spindle (9-2), a boring tool apron (9-3) and a boring tool, the boring motor (9-1) is in driving connection with the boring spindle (9-2), the boring tool apron (9-3) is installed on the boring spindle (9-2), and the boring tool is installed on the boring tool apron (9-3).

Technical Field

The invention belongs to the technical field of valve machining equipment, and particularly relates to an in-line type valve body drilling machining machine tool.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve body is a main body component of the valve, and other components of the valve are arranged on the valve body to form the valve body.

The ring flange all need be processed out to fluid entry, the fluid export of valve body, and the ring flange of fluid entry and fluid export is used for connecting the body, and at present, the ring flange processing of valve body has following problem: 1. the efficiency is low: the inner hole and the handle hole of the flange plate need to be drilled one by one, and a cutter needs to be replaced between the drilling, reaming or boring procedures, so that the machining and manufacturing efficiency of the valve body flange plate is limited. The machining conversion of the fluid inlet side flange and the fluid outlet side flange of the valve body requires the valve body to be re-clamped, which seriously affects the efficiency. 2. The precision is poor: the machining conversion of each hole requires the movement of a clamp to realize the displacement of the valve body, the valve body needs to be displaced for many times in the whole set of machining procedure of the valve body, the continuity of the whole set of flow for machining the valve body is poor, the machining precision of the valve body is directly influenced by an equipment displacement mechanism, and the machining precision of the valve body is difficult to ensure and improve due to the valve body displacement for many times. On the other hand, after the cutter is replaced or the valve body is installed again, the installation and installation accuracy error can directly influence the machining accuracy of the valve body, and the cutter such as a drill bit is manually replaced, so that the machining accuracy of the valve body can be inevitably affected.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an in-line type valve body drilling machine tool for solving the problems of low machining efficiency and poor machining precision of the flange plate of the existing valve body.

The invention is realized in such a way that the in-line valve body drilling machine tool comprises a machine base, and is characterized by further comprising a station conversion linear module, a station pedestal, a workpiece clamping mechanism, at least two feeding linear modules and a machining machine head assembly. The station conversion linear module is arranged on the base; the station pedestal is arranged on the station conversion linear module and is driven by the station conversion linear module to move linearly; the workpiece clamping mechanism is arranged on the station pedestal and is used for clamping the valve body; the feeding linear module is arranged on the base and is perpendicular to the station conversion linear module, the feeding linear module is arranged on the side of the station conversion linear module, and the feeding linear module is distributed along the extending direction of the station conversion linear module; and the machining head assembly is arranged on the feeding linear module and is used for machining the valve body.

In the above technical scheme, preferably, the workpiece clamping device further comprises a station revolving platform and a machine head revolving platform, wherein the station revolving platform is installed on the station pedestal, the axis of the station revolving platform is vertically arranged, and the workpiece clamping mechanism is fixed on the station revolving platform; the machine head rotary table is installed on the feeding linear module, the axis of the machine head rotary table is vertically arranged, at least two machining machine head assemblies are installed on the machine head rotary table, and the machine head rotary table is driven by the feeding linear module to move linearly.

In the technical scheme, preferably, the workpiece clamping mechanism comprises a base, a portal frame and a clamping oil cylinder, the base is fixed on the station revolving platform and comprises two parallel and vertically arranged bearing plates, the upper parts of the bearing plates are bearing grooves, and positioning jackscrews for positioning the valve body are installed on the bearing plates through threads; the portal frame is arranged on the station rotary table; the clamping oil cylinder is installed on the portal frame and provided with a clamping cylinder rod which stretches vertically downwards, and the clamping oil cylinder is used for pressing the valve body from top to bottom.

In above-mentioned technical scheme, it is preferred, processing aircraft nose assembly includes drilling aircraft nose assembly, drilling aircraft nose assembly includes drilling motor, drilling multi-axis ware and drill bit, the drilling motor with drilling multi-axis ware drive connection, the drill bit is installed on drilling multi-axis ware.

In the above technical solution, preferably, the machining head assembly includes a boring power assembly, the boring power assembly includes a boring motor, a boring spindle, a boring tool apron, and a boring tool, the boring motor is in driving connection with the boring spindle, the boring tool apron is mounted on the boring spindle, and the boring tool is mounted on the boring tool apron.

The invention has the advantages and effects that:

1. the machining efficiency is high, the valve body can automatically move between the drilling station and the chambering station, the flange plate machining process of the valve body is automatically completed, and the cutter does not need to be replaced when the machine is stopped. Compared with the step-by-step processing of the traditional machine tool, the processing efficiency of the processing center on the flange plate of the valve body is remarkably improved. Further, the working space of the in-line machining stations in the machine tool does not interfere with each other, the number of the valve bodies can be simultaneously machined by increasing the number of the sliding tables carried on the station conversion module, and the machining efficiency is improved. The in-line station switching mode enables the machine tool to realize feeding and discharging at two sides, the clamping working shell for feeding and discharging and the machine tool to process another workpiece simultaneously, continuous work of the machine tool without stopping is realized, the working efficiency of the machine tool is fully exerted, and the processing efficiency is further improved.

2. The equipment cost is low, and the arrangement mode is arranged to the processing station of inline, realizes through sharp module structure, and structure job stabilization, equipment cost and cost are low.

3. The processing precision is high, the shifting times in the whole set of processing flow process of the valve body are greatly reduced, the cutter does not need to be replaced, the negative influence of the activity stability of the equipment shifting driving mechanism on the processing precision of the flange plate of the valve body is greatly reduced, the negative influence of the cutter replacing precision error on the processing precision of the flange plate can be completely eliminated, and the processing precision of the flange plate of the valve body is greatly improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the arrangement of the station changing linear die set and the feeding linear die set of the present invention;

fig. 3 is a schematic structural view of the base in the present invention.

In the figure, 1, a machine base; 2. a station conversion straight line module; 3. a station pedestal; 4. a workpiece clamping mechanism; 4-1, a base; 4-2, a portal frame; 4-3, clamping the oil cylinder; 5. a feeding linear module; 6. a station revolving platform; 7. a machine head rotary table; 8. a drilling head assembly; 8-1, drilling a multi-axis machine; 8-2, drilling a multi-axis machine; 8-3, a drill bit; 9. boring a power assembly; 9-1, boring a motor; 9-2, boring the main shaft; 9-3, boring the tool apron.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to solve the defects of low machining efficiency and poor machining precision of the flange of the valve body at present, the invention particularly provides an in-line type valve body drilling machining machine tool which is high in machining efficiency, low in manufacturing cost and capable of improving the machining precision and quality of the valve body. To further illustrate the structure of the present invention, the following detailed description is made with reference to the accompanying drawings:

referring to fig. 1-3, an in-line valve body drilling machine includes a base 1. The machine base 1 is a supporting base of the machine tool.

The automatic feeding device further comprises a station conversion linear module 2, a station pedestal 3, a workpiece clamping mechanism 4, at least two feeding linear modules 5 and a machining head assembly.

The station conversion linear module 2 is arranged on the machine base 1. The station conversion linear module 2 is a conventional known functional component, and has a plurality of selectable models on the market. In this embodiment, the station conversion linear module 2 is a screw-slide rail type linear module. The lead screw slide rail type linear module comprises a lead screw, a guide rail, a movable table and a module motor which are horizontally arranged, wherein the movable table is horizontally arranged and is combined with the lead screw through threads, the movable table is combined with the guide rail, and the movable table is guided by the guide rail and is ensured to be stably and linearly moved. The module motor is a numerical control servo motor, the module motor drives the lead screw to rotate, and the rotating lead screw drives the movable table to move movably along the guide rail. The two ends of the lead screw are used for supporting and installing a shaft seat of the lead screw and the two ends of the guide rail are used for supporting and installing the shaft seat of the guide rail and are fixedly installed on the base. The station pedestal 3 is arranged on the station conversion linear module 2, and the station pedestal 3 is driven by the station conversion linear module 2 to move linearly

In this embodiment, a machine tool housing is installed on the outer side of the machine base 1, and workpiece inlets and outlets are respectively formed in the front end and the rear end of the two symmetrical sides of the machine tool housing corresponding to the station conversion linear module 2. Two ends of the station conversion linear module 2 extend out of the workpiece inlet and outlet respectively to form a feeding and discharging station.

The station pedestal 3 is fixed on the movable platform of the station conversion linear module 2 by fasteners, and the station pedestal 3 can be the movable platform itself.

Comprising two linear feed modules 5. The feeding linear module 5 is arranged on the machine base 1, and the feeding linear module 5 is vertical to the station conversion linear module 2. The feeding linear module 5 is arranged on the side of the station conversion linear module 2, and the feeding linear module 5 is distributed in the extending direction of the station conversion linear module 2. In this embodiment, specifically, the three feeding linear modules 5 are disposed on the same side of the station conversion linear module 2 and along the extending direction of the station conversion linear module 2, and the three feeding linear modules 5 are spaced at the same interval. The feeding linear module 5 also adopts a lead screw guide rail type linear module, and the working principle and the installation mode of the lead screw guide rail type linear module are the same as those of the station conversion module 2. The feed line module 5 has a movable table which is moved to be close to or away from the station changing line module 2.

Two slip tables are installed on the station conversion straight line module 2, and the distance between two slip tables is the same with the distance between two adjacent feeding straight line modules 5. Further, in the present embodiment, numerical control turn tables are installed on the station changing linear module 2 and the feeding linear module 5. The numerical control rotary table is divided into a station rotary table 6 and a machine head rotary table 7. The station revolving platform 6 is arranged on the station pedestal 3, the axis of the station revolving platform 6 is vertically arranged, and the workpiece clamping mechanism 4 is fixed on the station revolving platform 6; the machine head rotary table 7 is arranged on the feeding linear module 5, the axis of the machine head rotary table 7 is vertically arranged, at least two machining machine head assemblies are arranged on the machine head rotary table 7, and the machine head rotary table 7 is driven by the feeding linear module 5 to move linearly. The station rotary table 6 is used for horizontally turning the valve body by 180 degrees so as to realize the processing conversion of the flange plate at the fluid inlet of the valve body and the flange plate at the fluid outlet of the valve body. The machine head rotary table 7 can realize the conversion of two machine head assemblies arranged on the machine head rotary table, so that the machine tool can integrate and arrange machine heads with more functions, and the machine tool has extremely strong function expansion performance.

The workpiece clamping mechanism 4 is an assembly for positioning the clamping valve body, and the workpiece clamping mechanism 4 is installed on the station pedestal 3. Specifically, the workpiece clamping mechanism 4 comprises a base 4-1, a portal frame 4-2 and a clamping oil cylinder 4-3.

The base 4-1 is a rectangular plate seat, and the base 4-1 is fixed on a machine head rotary table 7. The base 4-1 comprises two bearing plates which are parallel to each other and are vertically arranged, and the bearing plates are two plate bodies which are welded with the rectangular plate seat into a whole. The upper part of the bearing plate is a bearing groove, the bearing groove is of a V-shaped bearing structure, the lower part of the valve body is supported in the bearing groove, and the fluid axis of the valve body is vertical to the plate surface of the bearing plate. And the supporting plate is provided with a positioning jackscrew for positioning the valve body through threads.

The portal frame 4-2 is arranged on the station revolving platform. Namely, the lower parts of the two sides of the portal frame 4-2 are fixed on the station revolving platform 6 by fasteners. The clamping oil cylinder 4-3 is installed on the portal frame 4-2, the clamping oil cylinder 4-3 is provided with a clamping cylinder rod which stretches vertically downwards, and the clamping oil cylinder 4-2 is used for pressing the valve body from top to bottom. The clamping cylinder 4-3 is used for clamping the valve body to be positioned and supported. In this embodiment, only one structure of the workpiece clamping mechanism is enumerated, but the structure is not limited to this structure, and any existing valve body clamping tool that can position and clamp a valve body can be used for the machine tool.

The machining head assembly is arranged on the feeding linear module 5 and used for machining the valve body. The machining head assembly is a collection of components that machine the valve body. In this embodiment, the machining head assembly includes a drilling head assembly 8 and a boring power assembly 9.

The drilling machine head assembly 8 comprises two parts which are used for drilling and reaming respectively, and comprises a drilling motor 8-1, a drilling multi-axis device 8-2 and a drill bit 8-3, wherein the drilling motor 8-1 is in driving connection with the drilling multi-axis device 8-2, and the drill bit 8-3 is arranged on the drilling multi-axis device 8-2.

The boring power assembly 9 comprises a boring motor 9-1, a boring spindle 9-2, a boring tool apron 9-3 and a boring tool, wherein the boring motor 9-1 is in driving connection with the boring spindle 9-2, the boring tool apron 9-3 is installed on the boring spindle 9-2, and the boring tool is installed on the boring tool apron 9-3.

The boring spindle 9-2 and the drilling multi-axis machine 8-2 are conventional devices. The boring motor 9-1 and the drilling motor 8-1 are servo motors controlled by an electrical system. The drilling multi-shaft device is customized and purchased according to the handle and hole position distribution of the flange plate, and the output shaft distribution position of the drilling multi-shaft device is matched with the handle and hole position of the flange plate.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.