CN204771556U - A carousel machine for processing festival tight screw hole of fork lock and locking groove - Google Patents

Abstract

The utility model relates to a turntable machine for processing locking threaded holes and locking grooves of yokes, which belongs to the technical field of mechanical processing. The utility model comprises a bed, a rotary table and a rotary mechanism. The rotary table is installed in the center of the bed. The rotary table is evenly distributed with a plurality of clamping mechanisms along the circumferential direction. The position of the mechanism corresponds to the loading and unloading station, counterbore processing station, milling station, threaded bottom hole drilling station, tapping station and deburring station, and the counterbore processing station is equipped with counterbore drilling processing Mechanism, the milling station is equipped with a locking groove milling device, the threaded bottom hole drilling station is equipped with a threaded bottom hole drilling processing mechanism, the tapping station is equipped with a threaded hole tapping processing mechanism, and the deburring station Correspondingly, there is a deburring processing mechanism, and each processing mechanism is fed by a servo feeding device. The problem that the efficiency is low and the accuracy is affected when processing the locking threaded hole and the locking groove of the existing yoke is solved.

Description

A turntable machine for processing yoke locking threaded holes and locking grooves

technical field

The utility model belongs to the technical field of mechanical processing, in particular to a turntable machine used for processing locking threaded holes and locking grooves of yokes.

Background technique

Automobile steering booster has been developed to the stage of electronic power steering, and the fork is an important part of the electronic steering booster, as shown in Figure 1 and Figure 2, the fork is composed of a connecting hub 1 and two symmetrical fork heads 2 The two forks 2 are respectively provided with corresponding bearing holes 21, and the outside and inside of each bearing hole 21 are planes, wherein the inside opening of each bearing hole is provided with a counterbore 22 and a chamfer 23, The connecting hub 1 is provided with a through spline hole 13, and the openings at both ends of the spline hole 13 are provided with chamfers 132, the outer end surface 131 of the spline hole 13 is a plane, and the connecting hub 1 is provided with a centerline The locking threaded hole 12 perpendicular to the center line of the spline hole 13 and the locking groove 11 communicating with the spline hole 13, the locking groove 11 divides the locking threaded hole 12 into two sections, wherein the wall of the spline hole 13 Burr treatment is required at the notch of the locking groove 11 on the top. Because the fork needs to bear a large force during use, most of the forging blanks are used, and the forging blanks need to be processed for spline holes, connecting bearing holes, locking threaded holes and locking grooves, and each The processing of holes requires multiple processes. For example, the processing of locking threaded holes requires counterbore drilling, locking groove milling, threaded bottom hole drilling, threaded hole tapping, and deburring. Under the circumstances, the completion of the locking threaded hole and the locking groove needs to be processed sequentially by multiple machine tools, which requires multiple clamping, which makes the production efficiency low and the product accuracy is affected.

Utility model content

The purpose of the utility model is to overcome the defects of low efficiency and affected precision when processing the locking threaded hole and locking groove of the existing yoke, and provide a method for processing the locking threaded hole and locking groove of the yoke and producing Turntable machine with high efficiency, compact structure and high precision.

For this reason, the utility model adopts the following technical solutions: a turntable machine for processing the locking threaded holes and locking grooves of the yoke, characterized in that the turntable machine includes a bed, a rotary table and a supporting drive work The rotary mechanism for the turntable rotation, the rotary table is installed in the center of the bed, the rotary table is evenly distributed with a plurality of clamping mechanisms along the circumferential direction, and the outer periphery of the bed is provided with The loading and unloading station, counterbore processing station, milling station, thread bottom hole drilling station, tapping station and deburring station corresponding to the position of the clamping mechanism, the counterbore processing station corresponds to A counterbore drilling mechanism is provided, the milling station is correspondingly provided with a locking groove milling device, and the threaded bottom hole drilling station is correspondingly provided with a threaded bottom hole drilling mechanism, and the tapping The station is correspondingly provided with a threaded hole tapping processing mechanism, the deburring station is correspondingly provided with a deburring processing mechanism, the counterbore drilling processing mechanism, locking groove milling device, thread bottom hole drilling processing mechanism , threaded hole tapping processing mechanism and deburring processing mechanism are all guided and fed by independent servo feeding devices.

As a supplement and improvement to the above technical solution, the utility model also includes the following technical features.

The locking groove milling device includes a first locking groove milling mechanism and a second locking groove milling mechanism arranged along the circumferential direction in sequence, the first locking groove milling mechanism and the second locking groove milling mechanism Corresponding to one of the clamping mechanisms respectively, the first locking groove milling mechanism processes the locking groove half deep, and the second locking groove milling mechanism processes the other half deep of the locking groove so that the locking groove and the joint fork The spline holes on the top are connected, and the locking groove is processed twice to make the processing cycle of each process consistent, which can save time and improve efficiency.

The corresponding servo feed devices of the counterbore drilling mechanism, the first locking groove milling mechanism, the second locking groove milling mechanism, the threaded bottom hole drilling mechanism, and the threaded hole tapping mechanism are all It is a two-way feeding method, and the servo feeding device corresponding to the deburring processing mechanism is a one-way feeding method.

The bed is a circular bed, which reduces the space occupied by the machine tool.

During work, eight clamping mechanisms are evenly distributed along the circumferential direction on the rotary table, and the eight clamping mechanisms correspond to one loading and unloading station, one empty station and six processing stations respectively. The processing mechanism, the first locking groove milling processing mechanism, the second locking groove milling processing mechanism, the threaded bottom hole drilling processing mechanism, the threaded hole tapping processing mechanism and the deburring processing mechanism are respectively arranged in six processing stations. The workpieces are clamped on the clamping mechanism, and the six processing mechanisms process the workpieces on the corresponding clamping mechanisms, so that counterbore drilling, locking groove half-deep milling, locking groove through groove milling, threaded bottom hole Step drilling, threaded bottom hole tapping, deburring processing and loading and unloading can be carried out at the same time, realizing the same cycle processing of each process. When a processing cycle is completed, the rotary mechanism drives the rotary table to rotate and transport the workpiece to the next process. Processing saves time and improves processing efficiency.

The utility model can achieve the following beneficial effects: by integrating multiple processes on one machine tool for processing, the workpiece is clamped once and then rotates with the rotary table for one circle to complete the processing of the locking threaded hole and the locking groove, so that Each process is processed according to the same processing cycle, which reduces the processing time and greatly improves the processing efficiency. At the same time, it only needs to be clamped once, which improves the processing accuracy.

Description of drawings

Fig. 1 is a structural schematic diagram of a conventional fork.

Fig. 2 is a schematic diagram of another direction of the existing fork.

Fig. 3 is a schematic structural view of the utility model.

Fig. 4 is a schematic diagram of the top view direction of the utility model.

Detailed ways

Specific embodiments of the present utility model are described in detail below in conjunction with the accompanying drawings.

As shown in Figures 3 and 4, the utility model includes a circular bed 3, a rotary table 4 and a rotating mechanism that supports and drives the rotation of the work turntable. The rotary table 4 is installed in the center of the bed 3, and the Seven clamping mechanisms 16 are evenly distributed along the circumferential direction on the rotary table 4, and the outer periphery of the bed 3 is provided with loading and unloading stations 15 corresponding to the positions of the seven clamping mechanisms 16 along the circumferential direction. Hole processing station, first milling station, second milling station, thread bottom hole drilling station, tapping station and deburring station, the counterbore processing station is correspondingly provided with counterbore drilling The processing mechanism 6, the first milling station and the second milling station are respectively provided with a first locking groove milling mechanism 7 and a second locking groove milling mechanism 8, and the threaded bottom hole drilling The station is correspondingly provided with a threaded bottom hole drilling mechanism 9, the tapping station is correspondingly provided with a threaded hole tapping mechanism 10, and the deburring station is correspondingly provided with a deburring mechanism 11, and the The counterbore drilling processing mechanism, the first locking groove milling processing mechanism, the second locking groove milling processing mechanism, the threaded bottom hole drilling processing mechanism, and the threaded hole tapping processing mechanism are all driven by independent two-way feed servo The feeding device 5 is guided to feed, and the deburring processing mechanism is fed through an independent unidirectional feeding servo feeding device 5 .

During work, seven clamping mechanisms 16 are evenly distributed along the circumferential direction on the rotary table 4, and the seven clamping mechanisms 16 correspond to a loading and unloading station 15 and six processing stations respectively. Mechanism 6, the first locking groove milling mechanism 7, the second locking groove milling mechanism 8, the threaded bottom hole drilling mechanism 9, the threaded hole tapping mechanism 10 and the deburring mechanism 14 are respectively arranged in six A processing station, the corresponding clamping of the workpiece on the clamping mechanism 16, six processing mechanisms process the workpiece on the respective corresponding clamping mechanism 16, so that the counterbore drilling, half-deep milling of the locking groove, and half-deep milling of the locking groove Through slot milling, threaded bottom hole step drilling, threaded bottom hole tapping, deburring processing and loading and unloading can be carried out at the same time, realizing the same cycle processing of each process. When a processing cycle is completed, the rotary mechanism drives the rotary table to rotate 4 times At a certain angle, the workpiece is transported to the next process for processing, which saves time and improves processing efficiency.

Claims (4)

1. pitch the disk machine of locking screw pit and locking slot for processing joint for one kind, it is characterized in that: described disk machine comprises lathe bed, the rotating mechanism that rotary table and support drive Work turning table rotate, rotary table is installed on described lathe bed central authorities, described rotary table is along the circumferential direction evenly equipped with multiple clamping mechanism, described lathe bed outside is along the circumferential direction provided with the loading and unloading station corresponding with described clamping mechanism position, counterbore processing stations, milling station, thread Pilot hole boring station, tapping station and deburring station, described counterbore processing stations correspondence is provided with countersunk hole organisation of working, described milling station correspondence is provided with locking slot milling attachment, described thread Pilot hole boring station correspondence is provided with tap drill hole machined mechanism, described tapping station correspondence is provided with screwed hole tapping organisation of working, described deburring station correspondence is provided with deburring mechanism, described countersunk hole organisation of working, locking slot milling attachment, tap drill hole machined mechanism, screwed hole tapping organisation of working and deburring mechanism are all by independently servo feeding apparatus guiding feeding.

2. a kind of disk machine for processing joint fork locking screw pit and locking slot according to claim 1, it is characterized in that: described locking slot milling attachment comprises the first locking slot Milling Process mechanism and the second locking slot Milling Process mechanism that along the circumferential direction arrange successively, the first locking slot Milling Process mechanism and the second locking slot Milling Process mechanism be corresponding clamping mechanism described in respectively.

3. a kind of disk machine for processing joint fork locking screw pit and locking slot according to claim 2, it is characterized in that: described countersunk hole organisation of working, the first locking slot Milling Process mechanism, the second locking slot Milling Process mechanism, tap drill hole machined mechanism, each self-corresponding servo feeding apparatus of screwed hole tapping organisation of working are two-way feed mode, servo feeding apparatus corresponding to described deburring mechanism is admission mode.

4. a kind of disk machine for processing joint fork locking screw pit and locking slot according to claim 3, is characterized in that: described lathe bed is circular lathe bed.