CN218136274U - Automatic drilling device for shell - Google Patents

Abstract

The utility model relates to a machine tool field, concretely relates to automatic drilling equipment of casing. A housing for a torque converter, comprising: the horizontal machining center comprises a Y-axis sliding assembly, an X-axis sliding assembly and a Z-axis sliding assembly, wherein the axis of a main shaft head of the horizontal machining center is parallel to the Z-axis direction, the Z-axis sliding assembly comprises a base, a rotary worktable is arranged at the front end of the base, a positioning mechanism is arranged on the rotary worktable, and the positioning mechanism comprises a front hydraulic clamp, a first positioning column, a second positioning column and a rear hydraulic clamp which are sequentially arranged along one direction; the special drilling machine is arranged on one side of the rotary worktable in a manner of being vertical to the Z axis and comprises three drill bits arranged according to preset positions. The utility model provides a can shorten process time, improve machining efficiency's automatic drilling equipment of casing.

Description

Automatic drilling device for shell

Technical Field

The utility model relates to a machine tool field, concretely relates to automatic drilling equipment of casing.

Background

The shell of the hydraulic torque converter is made of HT250 materials, a blank is subjected to normalizing after casting, three phi 20 deep holes need to be drilled on the side face, an NPT3/4 temperature measuring wire hole forming an included angle of 45 degrees with the deep hole needs to be machined near the deep hole, and a 4-M8 window face wire hole needs to be machined in the direction forming an angle of 90 degrees with the deep hole.

The processing mode that can adopt at present is that the aforesaid various holes are processed in turn with traditional rocking arm drilling special plane or horizontal machining center.

Traditional manual work uses rocking arm drilling special plane and bent plate to carry out drilling tapping, has the problem of casing hoist and mount and clamping difficulty, appears the phenomenon of colliding with easily to processing intensity of labour is high, and machining efficiency is low.

The horizontal machining center needs to be used for tool changing for many times, and the problem of low machining efficiency exists. If the phi 20 deep hole is as deep as 250mm, the cast oil duct is communicated with the phi 20 deep hole, the drilling deviation is not required in the drilling process, and the drilling jig is required to assist; the front end of the deep hole is a threaded bottom hole with the diameter of 28.5 mm and the depth of 30mm, the thread length is 22mm, the hole end needs spot facing with the diameter of 50mm, the threaded hole end is chamfered, the three holes need to be provided with a drill bit, a boring cutter, a chamfering cutter, a spot facing cutter and a screw tap, and a horizontal machining center needs to change the cutters for many times.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the not enough of drilling mode machining efficiency low of above-mentioned torque converter casing, provide one kind and can shorten process time, improve the automatic drilling equipment of casing of machining efficiency.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

an automatic drilling device for a shell for machining a torque converter shell, comprising:

the horizontal machining center comprises a Y-axis sliding assembly, an X-axis sliding assembly and a Z-axis sliding assembly, wherein the axis of a main shaft head of the horizontal machining center is parallel to the Z-axis direction, the Z-axis sliding assembly comprises a base, a rotary worktable is arranged at the front end of the base, and a positioning mechanism is arranged on the rotary worktable and comprises a front hydraulic clamp, a first positioning column, a second positioning column and a rear hydraulic clamp which are sequentially arranged along one direction;

the special drilling machine is arranged on one side of the rotary worktable in a manner of being vertical to the Z axis and comprises three drill bits arranged according to preset positions.

Preferably, the system also comprises a double-channel control system which can control the horizontal machining center and the special drilling machine to be started simultaneously.

Preferably, still including setting up automatic feeding transfer chain, manipulator and the automatic unloading transfer chain in swivel work head the place ahead, the manipulator setting is between swivel work head, automatic feeding transfer chain and automatic unloading transfer chain.

Preferably, the robot is disposed right in front of the rotary table.

Preferably, a plurality of groups of mounting holes matched with shells of different specifications are preset in the rotary workbench, and the front hydraulic clamp, the first positioning column, the second positioning column and the rear hydraulic clamp are detachably connected in the mounting holes. The positioning mechanism can be used for positioning and clamping shells of various specifications, the application range of the device is enlarged, the operation is convenient, and the cost is saved.

The beneficial effects of the utility model are that:

1. the utility model discloses a set up positioning mechanism and include preceding hydraulically operated fixture, first reference column, second reference column and the back hydraulically operated fixture that sets gradually along an orientation, positioning mechanism's arranging cooperatees with the structure of torque converter casing, can realize the quick accurate location and the clamp of this casing tightly.

2. The utility model discloses set up horizontal machining center and special drilling machine, be equipped with three drill bits of arranging according to preset position on the special drilling machine, fix the casing on swivel work head after, horizontal machining center and special drilling machine can start simultaneously and carry out the drilling operation, horizontal machining center bores and taps out the window face screw hole, and the special drilling machine of drilling drills out three deep hole, then rotates swivel work head 45, bores and taps out the temperature measurement screw hole by horizontal machining center, rotates swivel work head 45 again, horizontal machining center processes the screw hole of deep hole tip; on the one hand, horizontal machining center and the special plane simultaneous working of drilling have reduced tool changing latency, have improved machining efficiency, and on the other hand, the structure make full use of the angle relation in deep hole, window face silk hole and temperature measurement silk hole on the casing of this device for the course of working is very smooth, and machining efficiency is high.

3. The utility model discloses a further automatic feeding transfer chain, manipulator and automatic unloading transfer chain have been set up, and the manipulator can snatch the casing of treating processing on the automatic feeding transfer chain and place automatic processing on the swivel work head, snatch the casing of accomplishing with processing and place on the automatic unloading transfer chain, changes to one process down, can realize casing processing continuity of operation, realizes the automated processing of casing, reduces workman intensity of labour by a wide margin, has improved production efficiency.

Drawings

Fig. 1 is a schematic structural view of a housing of a torque converter according to the present invention;

FIG. 2 is a schematic sectional view showing the positional relationship between the hole of the temperature measuring wire and the deep hole in FIG. 1;

FIG. 3 is a schematic view of the positioning mechanism of the present invention engaged with a torque converter housing;

FIG. 4 is a schematic view from above of FIG. 3;

fig. 5 is a schematic structural diagram of the present invention;

in the figure: A. the hydraulic torque converter comprises a shell of a hydraulic torque converter, a deep hole, b window surface screw holes, c temperature measuring screw holes, d central holes and e side holes;

1. the automatic drilling machine comprises a horizontal machining center, 10Z-axis sliding assemblies, 11. X-axis sliding assemblies, 12. Y-axis sliding assemblies, 13 main shaft heads, 100 bases, 14 rotary workbenches, 15 positioning mechanisms, 150 front hydraulic clamps, 151 first positioning columns, 152 second positioning columns, 153 rear hydraulic clamps, 2 special drilling machines, 20 drill bits, 3 automatic feeding conveying lines, 4 mechanical arms and 5 automatic discharging conveying lines.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration purposes only and are not intended to limit the scope of the present invention.

The embodiment provides an automatic casing drilling device, which is used for machining a casing A of a hydraulic torque converter shown in fig. 1, wherein a central hole d and a side hole e are formed in the casing A, three deep holes a need to be machined on the left side of the casing A, a window surface screw hole b needs to be machined on the rear side of the casing A, and a temperature measuring screw hole c forming an included angle of 45 degrees with the deep holes a needs to be formed near the deep holes a as shown in fig. 3.

As shown in fig. 5, the present embodiment includes a horizontal machining center 1, a special drilling machine 2, and a dual channel control system.

The horizontal machining center 1 comprises a Y-axis sliding assembly 12, an X-axis sliding assembly 11 and a Z-axis sliding assembly 10, wherein the axis of a main shaft head 13 of the horizontal machining center is parallel to the Z-axis direction, the Z-axis sliding assembly 10 comprises a base 100, and a rotary worktable 14 is arranged at the front end of the base 100. The structure can adopt the structure of the THM46100 precision horizontal machining center 1 produced by a sinker group. The utility model discloses set up on swivel work head 14 like the positioning mechanism 15 shown in fig. 3 and 4, positioning mechanism 15 includes preceding hydraulic fixture 150, first reference column 151, second reference column 152 and back hydraulic fixture 153 that set gradually along a direction. The arrangement of the positioning mechanism 15 is matched with the structure of the shell of the hydraulic torque converter, so that the shell can be quickly and accurately positioned and clamped.

Because the housing has multiple specifications, in order to enable the positioning mechanism 15 to be used for positioning and clamping housings of multiple specifications, multiple sets of mounting holes matched with housings of different specifications can be preset on the rotary table 14, and the front hydraulic clamp 150, the first positioning column 151, the second positioning column 152 and the rear hydraulic clamp 153 can be detachably connected in the mounting holes.

The special drilling machine 2 is arranged on one side of the rotary worktable 14 perpendicular to the Z axis and comprises three drill bits 20 arranged according to a preset position, wherein the preset position refers to the position of the drill bit 20 corresponding to the positions of the three deep holes a. Three drill bits 20 may be driven in synchronous rotation by a motor via a multi-axis machine.

The double-channel control system can control the horizontal machining center 1 and the special drilling machine 2 to be started simultaneously.

Further, this embodiment still includes automatic feeding transfer chain 3, manipulator 4 and the automatic unloading transfer chain 5 of setting in the 14 the place ahead of rotatory workstation, and manipulator 4 sets up between rotatory workstation 14, automatic feeding transfer chain 3 and automatic unloading transfer chain 5. Preferably, the robot 4 is disposed directly in front of the rotary table 14.

During the use, the manipulator 4 can snatch the casing of treating processing on the automatic feeding transfer chain 3 and place on swivel work head 14 and carry out automatic processing, snatch the casing of accomplishing of processing and place on automatic unloading transfer chain 5, change to one process next, realize casing processing continuity of operation, realize the automated processing of casing, reduce workman intensity of labour by a wide margin, improved production efficiency.

The processing process of the shell is as follows:

after the manipulator 4 sleeves the central hole d and the side hole e of the housing on the first positioning column 151 and the second positioning column 152, respectively, the front hydraulic clamp 150 and the rear hydraulic clamp 153 clamp the housing, and the housing is fixed on the rotary table 14. And simultaneously starting the horizontal machining center 1 and the special drilling machine 2, drilling a window surface threaded hole b by the horizontal machining center 1, and drilling three deep holes a by the special drilling machine 2. The horizontal machining center 1 and the special drilling machine 2 work simultaneously, so that the tool changing waiting time is reduced, and the machining efficiency is improved. And then rotating the rotary worktable 14 by 45 degrees, drilling and tapping a temperature measuring screw hole c by the horizontal machining center 1, rotating the rotary worktable 14 by 45 degrees again, and machining a screw hole at the end part of the deep hole a by the horizontal machining center 1. The utility model discloses make full use of on the casing deep hole an, window face silk hole b and temperature measurement silk hole c's angle relation for the course of working is very smooth, and machining efficiency is high.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims (5)

1. An automatic drilling device for a casing (A) for machining a torque converter, characterized in that it comprises:

the horizontal machining center (1) comprises a Y-axis sliding assembly (12), an X-axis sliding assembly (11) and a Z-axis sliding assembly (10), wherein the axis of a main shaft head (13) of the horizontal machining center is parallel to the Z-axis direction, the Z-axis sliding assembly (10) comprises a base (100), a rotary workbench (14) is arranged at the front end of the base (100), a positioning mechanism (15) is arranged on the rotary workbench (14), and the positioning mechanism (15) comprises a front hydraulic clamp (150), a first positioning column (151), a second positioning column (152) and a rear hydraulic clamp (153) which are sequentially arranged along one direction;

the special drilling machine (2) is arranged on one side of the rotary workbench (14) and is vertical to the Z axis, and comprises three drill bits (20) which are arranged according to a preset position.

2. The automatic shell drilling device according to claim 1, characterized by further comprising a dual-channel control system capable of controlling the horizontal machining center (1) and the special drilling machine (2) to be started simultaneously.

3. An automatic casing drilling device according to claim 1 or 2, characterized by further comprising an automatic feeding conveyor line (3), a manipulator (4) and an automatic discharging conveyor line (5) arranged in front of the rotary table (14), wherein the manipulator (4) is arranged among the rotary table (14), the automatic feeding conveyor line (3) and the automatic discharging conveyor line (5).

4. An automatic drilling device for shells according to claim 3, characterized in that said robot (4) is arranged right in front of the rotary table (14).

5. The automatic casing drilling device according to claim 1, wherein a plurality of sets of mounting holes matched with casings of different specifications are preset on the rotary table (14), and the front hydraulic clamp (150), the first positioning column (151), the second positioning column (152) and the rear hydraulic clamp (153) are detachably connected in the mounting holes.

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