CN211028278U

CN211028278U - Double-rotation automatic indexing bidirectional planer

Info

Publication number: CN211028278U
Application number: CN201921495796.7U
Authority: CN
Inventors: 王宁; 王雪峰
Original assignee: Nanjing Xfd Cnc Equipment Co ltd
Current assignee: Nanjing Xfd Cnc Equipment Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-07-17
Anticipated expiration: 2029-09-03

Abstract

The utility model discloses a double-rotation automatic indexing two-way planer, which aims at the defects of low speed and low efficiency of the prior two-way planer when processing Roots impellers with the machining size of 200 and below, and provides an improved two-way planer, which is realized by adopting a double-rotation automatic indexing clamping mechanism to clamp two impellers by one-time clamping operation, when clamping the impellers for turning, two indexing devices can synchronously turn over the same angle in the same coaxial direction, and two impeller profiles clamped on two clamping mechanisms respectively after turning are ensured to be still parallel, so that two impeller workpieces can be planed by one-time stroke of the two-way planer with a higher speed, and the process size of the two impeller processing profiles after the two-way planer in the past is ensured to have consistent precision, and one-time clamping is ensured, the cutter is set at one time, and the two impellers are planed simultaneously, so that the efficiency of the whole planing process is improved.

Description

Double-rotation automatic indexing bidirectional planer

Technical Field

The utility model relates to a metal planing processing equipment, especially a two-way curved surface planing machine.

Background

The bidirectional curved surface planing machine is a professional machine for planing and processing Roots blower impellers, has good rigid structure and manufacturability, the consistency of the batch planing processing precision of the Roots blower impeller can be ensured, the requirement of the Roots blower on the size precision of impeller pairing is ensured, the Roots blower impeller is mature and applied to processing of the Roots blower impeller with the planing size of 300-1000 mm and with two to four straight-tooth impeller profiles, a machine tool can automatically control the bidirectional planer tool to reciprocate after clamping the impeller to be processed through the configured numerical control rotary indexing clamping device mechanism, and the planing processing can be started from the current impeller profile, after the profile is processed, the indexing mechanism is controlled to accurately turn and index to the second fan blade profile of the impeller, then the surface is planed, and the turnover mechanism is matched with the bidirectional planer tool to sequentially turn over and plane each molded surface of the impeller. Taking a planer to process a two-blade impeller workpiece as an example, the processing flow can be summarized as clamping a workpiece, checking a datum for tool setting, setting processing parameters, planing a first surface, turning a dividing mechanism 180 degrees, planing a second surface, loosening and clamping the workpiece after planing, if the workpiece redundancy is large and multiple tools are needed to plane to a size, the two steps of turning the impeller and planing are repeated for many times in the flow, if the calculation is carried out from the whole impeller processing time period, the time occupied by the clamping workpiece and the datum for tool setting and checking is auxiliary time which is generally relatively fixed, the reciprocating operation time of the two-way planer is the actual effective planing time, the larger the workpiece is, the longer the planing time is, therefore, the larger the effective planing time is, the higher the speed of the two-way planer is favorably increased, the planing efficiency is higher, and for planing the impeller workpiece with the general size length of 300-1000, the workpiece with the length can fully exert the advantages of high speed and high efficiency of the planer due to large planing stroke and long distance, but if the planer is used for planing smaller-sized impellers, such as impellers with the length of 200 or less, the planing stroke is very short due to the small length, the speed is not easy to be improved, the effective planing time is short, and the planing efficiency is much lower compared with that of the large-sized impellers, on the other hand, when the planer is used for processing the workpieces with the smaller size, the planing feed amount in one stroke is small, the bearing force of a ram and a workbench is small, the power allowance is too large, waste and waste are not economical, the workbench is slightly empty and the utilization rate is not high, so that the overall processing efficiency is low, the characteristics of high-speed and high-efficiency planing processing of the bidirectional planer cannot be fully exerted, if the existing planer is proportionally reduced and redesigned to be specially used for processing the small-sized impellers, the performance of the bidirectional planing high-speed operation is limited, and the application range of the special machine is narrow and is more uneconomical.

SUMMERY OF THE UTILITY MODEL

Speed is not high when overcoming current lathe for the impeller of machined dimension below 200, and the less not enough of efficiency, the utility model provides an adopt two automatic graduation fixture of gyration, but once two impellers of centre gripping, when the upset is being done to the centre gripping impeller, can make two indexing means can be synchronous coaxial syntropy the same angle of upset to guarantee that two impeller profiles of clamping on two fixture above are still parallel respectively after the upset, make two-way planer tool stroke can dig two impeller work pieces, and ensure that two-way planer tool digs the technological dimension uniformity precision of two impeller processing profiles after the past.

The utility model adopts the technical proposal that: a bidirectional curved surface planing machine is composed of a rigid frame with a bearing structure, a ram for reciprocating movement on the cross beam of frame, a planing tool mechanism on the vertical carriage in the middle of ram, and a dual-direction planing tool mechanism 200420026963.0 on the bench of machine and with two high-precision automatic indexing clamper whose end faces are coaxial and able to rotate coaxially, synchronously and at the same angle The blade wheel is turned over coaxially, in the same direction and at the same angle, so that the blade wheel is matched with the bidirectional planing tool to plane each molded surface of the blade wheel in a circulating and reciprocating mode.

The beneficial effects of this planer adoption dual-rotation automatic graduation fixture are that, two-way planer adopts dual-rotation automatic graduation clamping device, can once the clamping two work pieces, and only need once to good the sword, alright to the coaxial synchronous planing of two impellers of centre gripping, single clamping impeller of comparison carries out tool setting planing processing, clamping tool setting number of times has been reduced, single planing stroke has been increaseed, be favorable to in effective processing length, can be with the planing processing of bigger speed, machining efficiency has been improved effectively, the required total time of batch work piece processing has been shortened, to the error uniformity technology of batch processing impeller work piece, and the impeller surface finish quality that higher speed brought improves, more have positive effect, make the planing processing of impeller, can alleviate intensity of labour, it has practical meaning to reduce the processing cost.

Drawings

Fig. 1 is a front schematic view of a double-revolving automatic-indexing bi-directional planer.

Fig. 2 is a schematic top view of a double-revolving automatic-indexing bi-directional planer.

Fig. 3 is a schematic view of the right side of the double-revolving automatic-indexing bi-directional planer.

In the figure, 1, a machine tool body, 2, a portal frame supporting seat, 3, a workbench, 4, a left clamping mechanism, 5, a portal frame beam, 6, a ram, 7, a swing cylinder, 8, a vertical planker, 9, a Y-axis servo motor, 10, a guide rail pair, 11, a workbench X-axis servo motor, 12, a Z-axis servo motor, 13, a bidirectional planer tool, 14, a left impeller, 15, a left tail seat, 16, a right tail seat, 17, a right impeller, 18, a right clamping mechanism, 19, an X-axis screw rod and 20, a rotating central shaft are arranged in sequence, wherein the rotating central shaft is a hollow shaft, the left end of the portal frame supporting seat

Detailed Description

Referring to fig. 1, 2 and 3, the double-rotation automatic-indexing bidirectional planer comprises a machine body 1 and a supporting seat 2 integrated with the machine body 1, wherein an integral rigid portal frame beam 5 is fixed on the supporting seat 2 at two sides of the machine body 1 to form a rigid integral body of the double-rotation automatic-indexing bidirectional planer, so that vibration generated in the machining process is inhibited, and the double-rotation automatic-indexing bidirectional planer can be stably supported; the worktable 3 arranged on the lathe bed 1 is driven by an X-axis motor 11 through an X-axis screw rod 19 to move back and forth (namely transversely), two ends of the table top of the worktable 3 are respectively provided with an automatic indexing clamping mechanism with the same type according to axial distribution and is divided into a left clamping mechanism 4 and a right clamping mechanism 18, the mechanical installation of the left clamping mechanism 4 and the right clamping mechanism 18 ensures that the two clamping end surfaces are distributed face to face, the installation must ensure that the respective clamping end surfaces are parallel to each other, the axial direction of the two end surfaces is kept coaxial by taking a rotating central shaft 20 of a left impeller 14 and a right impeller 17 as a reference, the rotating central shaft 20 is always kept axially parallel to the table top of the worktable 3, the axial direction of the rotating central shaft is also kept parallel and consistent with the reciprocating motion direction of the ram 6, and when the two indexing mechanisms synchronously rotate coaxially in the same direction, the same molded surfaces of the two clamped impellers are parallel to each other, the clamped impeller profile is ensured to be always axially parallel and stable with the table top of the workbench 3 during planing, and the left clamping mechanism 4, the left tailstock 15, the right clamping mechanism 18 and the right tailstock 16 form a double-rotation automatic indexing clamping mechanism; a cross beam in the portal frame 5 is provided with a guide rail pair 10 which is connected with a ram 6, the ram 6 is driven by a Z-axis servo motor 12 with a speed reducing mechanism to do left-right reciprocating (longitudinal) linear movement, a vertical carriage 8 is arranged in the middle of the ram 6 and is a carriage moving in the vertical direction, a Y-axis servo motor 9 drives the vertical carriage 8 to move up and down to control the height size of the upper position and the lower position of the vertical carriage 8, the vertical carriage 8 is provided with a hydraulic swing oil cylinder 7 for driving a bidirectional planer tool 13 to change direction, the bidirectional planer tool 13 is arranged at the lower end of the vertical carriage 8, and the hydraulic swing oil cylinder 7 and the bidirectional planer tool 13 form a bidirectional planer tool mechanism; in a single cycle process of planing and processing the impeller, after the ram 6 slides from the left end to the position between the right impeller 17 and the right clamping mechanism 18, the hydraulic swing oil cylinder 7 controls the bidirectional planer tool 13 to swing and reverse in the right direction, so that the left tool bit of the bidirectional planer tool 13 is aligned with the profile of the right impeller 17, at the moment, in the reversing action process, the workbench 3 moves forwards to be matched with the vertical planker 8 to move up and down to synchronously perform a distance interpolation action on the left impeller 14 and the right impeller 17 clamped on the workbench 3, the next profile to be planed is aligned with the track of the planer tool to run, after the ram 6 starts to run leftwards, after the ram 6 slides leftwards to the position between the left impeller 14 and the left clamping mechanism 4, the hydraulic swing oil cylinder 7 controls the bidirectional planer tool 13 to swing and reverse in the left direction, so that the right tool bit of the bidirectional planer tool 13 is aligned with the profile of the left impeller 14, the workbench 3 moves forwards to be matched with the vertical planker 8 to move upwards and downwards to perform a distance interpolation action, the next profile to be planed is aligned to the track of the operation of the bidirectional planer tool 13, so that one single-cycle bilateral planing is completed, the numerical control program sets each single-cycle planing to be controlled according to the steps, the key point is to ensure that when the bidirectional planer tool is positioned at the left end of the left impeller 14 or the right end of the right impeller 17, the left cutting tool bit and the right cutting tool bit on the planer tool are always aligned to the profile direction of the workpiece to be planed after swinging and reversing, meanwhile, when the bidirectional planer tool 13 is positioned at the two ends of the left impeller and the right impeller respectively to perform the intermittent reversing action, the working table 3 moves back and forth and is matched with the vertical planker 8 to move up and down to synchronously complete a given step distance interpolation on the left impeller 14 and the right impeller 17 clamped on the working table 3, and the interpolation step distance can be calculated according to the size of the impellers, the profile shape and the adopted planing. When the ram 6 drives the vertical planker 8 to do continuous left-right circular reciprocating motion, the vertical planker 8 moves up and down in the process, so that the bidirectional planer tool 13 does left-right circular reciprocating motion at one side, moves up and down at a reversing gap, and continuously performs fixed-distance interpolation planing on the impeller by matching with the back and forth movement of the worktable 3, so that the continuous planing of one profile of the impeller can be finished, when the planing of one profile is finished, the double-rotation automatic indexing clamping mechanism coaxially, synchronously and synchronously turns two clamped impellers by the same angle according to the combination of the profile of a plurality of blades, such as 180-degree turning of the two impeller, 120-degree turning of the three impeller and 90-degree turning of the four impeller, and then continues to plane the second surface and the third surface … … of the impeller, because the double-rotation automatic indexing clamping mechanism has higher precision, the molded surface to be machined of the turned impeller is ensured to be axially parallel to the working table surface, the trajectory of the planer tool after being planed continuously is ensured to accord with the curve size of the molded surface of the impeller, the precision requirement of the molded surface of the impeller is met, and when all the molded surfaces of the impeller are planed, the impeller is machined completely.

Claims

1. The utility model provides a two-way planer of automatic graduation of two gyrations, including lathe bed (1), door shape frame bearing (2), workstation (3), left fixture (4), door shape frame crossbeam (5), ram (6), swing cylinder (7), perpendicular planker (8), Y axle servo motor (9), the guide rail is vice (10), workstation X axle servo motor (11), Z axle servo motor (12), two-way planer tool (13), left impeller (14), left tailstock (15), right tailstock (16), right impeller (17), right fixture (18), X axle lead screw (19), rotation center axle (20), characterized by: the double-rotation automatic indexing bidirectional planer comprises a support seat (2) integrated with a lathe body (1), an integral rigid portal frame beam (5) fixed on the support seat (2) on two sides of the lathe body (1) to form a rigid whole of the double-rotation automatic indexing bidirectional planer, a workbench (3) arranged on the lathe body (1), two indexing clamping mechanisms of the same type and assembled on the surface of the workbench (3) to form the double-rotation automatic indexing clamping mechanism, and a swing cylinder (7) and a bidirectional planer tool (13) which are arranged on a vertical planker (8) to form the bidirectional planer tool mechanism.

2. The dual-turn automatic indexing bi-directional planer of claim 1, wherein: the double-rotation automatic indexing clamping mechanism is two indexing clamping mechanisms of the same type and arranged on the workbench (3), and is a mechanism formed by a left clamping mechanism (4), a left tailstock (15), a right clamping mechanism (18) and a right tailstock (16).

3. The dual-turn automatic indexing bi-directional planer of claim 2, wherein: the left clamping mechanism (4), the left tailstock (15), the right clamping mechanism (18) and the right tailstock (16) clamp the impeller to turn synchronously, coaxially and at the same angle.

4. The dual-turn automatic indexing bi-directional planer of claim 2, wherein: the clamping end faces of the left clamping mechanism (4) and the right clamping mechanism (18) are parallel to each other, and the axial directions of the two end faces are coaxial with the left impeller (14) and the right impeller (17) by taking a rotating central shaft (20) as a reference.

5. The dual-turn automatic indexing bi-directional planer of claim 3, wherein: the rotating central shaft (20) of the left impeller (14) and the right impeller (17) is always axially parallel to the table surface of the workbench (3) when the impellers are coaxially turned.

6. The dual-turn automatic indexing bi-directional planer of claim 4, wherein: the axial direction of the rotating central shaft (20) is kept parallel and consistent with the reciprocating direction of the ram (6).