CN202539615U - Numerical control inverted double-station deep hole drilling machine - Google Patents

Abstract

The utility model discloses a numerical control inverted double-station deep-hole drilling machine, which comprises a double-station bed body part, and two frame-shaped column parts on the left and right are fixed and vertically installed on the table at the rear of the bed part. The type pressing parts are respectively connected with the left and right column parts with slide rails as the guide along the up and down direction of the sliding plate. The pressing parts are equipped with drill sleeve mounting seats, drill sleeves and hydraulic cylinders to realize workpiece positioning and clamping; bed parts There are two left and right main shaft components fixedly installed on the front table. A special deep hole gun drill is placed on the main shaft of the main shaft component. Frequency conversion speed regulating motors are fixedly installed on both sides of the bed part. The belt and the main shaft part realize the transmission connection. The inverted structure with the drill below can effectively improve chip removal and heat dissipation in deep hole machining, and also improve the surface accuracy of parts. The left and right working units can alternately use the waiting time during operation, which improves the production efficiency.

Description

CNC inverted double station deep hole drilling machine

technical field

The utility model relates to the technical field of drilling machines, in particular to a numerically controlled inverted double-station deep hole drilling machine.

Background technique

Various auto parts such as brake pump, steering gear, shock absorber system piston main hole drilling process, the ordinary deep hole drilling machine is a horizontal single-station structure, due to the poor chip removal in its horizontal structure, resulting in parts The consequences of the surface being pulled by iron filings and the drill bit broken, most of which cannot meet the surface quality requirements of the drilling of the main hole of the piston of these products; because it is a single-station operation, the waiting time cannot be fully utilized, which is not conducive to improving production efficiency.

Utility model content

The technical problem to be solved by the utility model is that a CNC inverted double-station deep hole drilling machine designed for the needs of the above-mentioned prior art adopts a double-station and inverted structure, and a special deep hole drilling machine is placed on the main shaft of the main shaft part. The hole gun drill can realize the automatic guiding function through the drill sleeve; the chip removal in the inner hole of the high-pressure oil cooling makes the drill in a state of circulating cooling during operation, which ensures the stability of the drilling process, and the chip removal in the high-pressure inner hole can be timely Drilling chips in the deep hole are discharged, which further ensures the dimensional accuracy and inner surface finish of the deep hole, and significantly improves the processing quality and production efficiency. The machine tool is divided into left and right working units, with compact structure, the two working units do not interfere with each other, independent operation control, and independent setting of parameters, so that the left and right working units can alternately use the waiting time during operation, further improving production efficiency.

The technical problem required to be solved by the utility model can be realized through the following technical solutions:

A CNC inverted double-station deep hole drilling machine, comprising a bed part, a left frame-shaped column part, a right frame-shaped column part, a left frame-shaped pressing part, a right frame-shaped pressing part, a left main shaft part, and a right main shaft Parts, left frequency conversion speed regulating motor, right frequency conversion speed regulating motor, left belt tensioner part, right belt tensioner part, the upper surface of the rear part of the bed part is fixed and installed side by side with the left frame type column part and the right frame Type column parts, left frame type pressing parts and right frame type pressing parts are installed on the left frame type upright parts and right frame type upright parts respectively, described left frame type pressing parts and right frame type pressing parts can Slide on the corresponding left frame-shaped column parts and right frame-shaped column parts, and the drill sleeve mounting seat located below, the drill sleeve installed on the drill sleeve mounting seat are all arranged in the left frame-shaped column part and the right frame-shaped column part. cover and the hydraulic cylinder connected with the drill sleeve, the table top at the front of the bed part, the left frame-shaped column part and the right frame-shaped column part are respectively installed with a left main shaft part and a right main shaft part, and the left main shaft part and A deep hole drilling tool is installed on the right spindle part, and a left variable frequency speed regulating motor and a right frequency variable speed regulating motor are respectively installed on the left and right sides of the bed part, and the left variable frequency speed regulating motor and the right frequency variable speed regulating motor are respectively installed. The left main shaft part and the right main shaft part are connected by the left part with tensioner and the right part with tensioner.

Both the left frame-shaped column part and the right frame-shaped column part are vertically placed on the upper surface of the bed part.

The centers of the left main shaft part and the right main shaft part are located on the same vertical line as the centers of the drill sleeves on the left pressing part and the right pressing part.

Due to adopting the above technical scheme, the utility model has the following characteristics:

The main shaft realizes cutting at different speeds through frequency conversion; at the same time, high-pressure oil cooling is used to remove chips in the inner hole, so that the drill is in a state of circulating cooling during operation, which ensures the stability of the drilling process. The drill is placed below and the workpiece is placed upside down. Drilling can discharge the drilling chips in the deep hole in time, further ensuring the dimensional accuracy of the deep hole and the smoothness of the inner surface.

The machine tool is divided into two working units, left and right. The two working units do not interfere with each other, are operated and controlled independently, and the parameters are set independently.

Description of drawings

Fig. 1 is the structural representation of the utility model. the

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific illustrations.

As shown in Figure 1, the CNC inverted double-station deep hole drilling machine includes a double-station funnel-shaped bed part 1, and there are two left and right frame-shaped machines fixed and vertically installed on the table at the rear of the bed part 1. The column part 2 and two frame-shaped pressing parts 3 are respectively connected to the left and right column parts 2 by sliding along the up and down direction with the slide rail as the guide. The oil cylinder (not shown in the figure) realizes workpiece positioning, clamping and oil cooling; two left and right main shaft parts 4 are fixedly installed on the table at the front part of the bed part 1, and a main shaft 41 of the main shaft part 4 is placed on it. A special deep hole drill is fixed on both sides of the bed part 1 with a variable frequency speed regulating motor 5, and the frequency conversion speed regulating motor 5 realizes the transmission connection with the main shaft part 4 through the synchronous belt. Realize regulation. The left and right parts of the machine tool form two work units.

CNC inverted double-station deep hole drilling machine structure, the double-station funnel-shaped bed part 1 and the left and right parts installed on it form a structure in which the double-station is integrated.

CNC inverted double-station deep hole drilling machine structure, the frame-shaped column part 2 and the table on the back side of the funnel-shaped bed part 1 are placed vertically, which is an inverted structure, the drill bit is at the bottom, and the workpiece is placed upside down for drilling. Debris drains.

The sliding connection of the CNC inverted double-station deep hole drilling machine structure refers to the connection between the parts through a slide rail, a slider and a threaded rod, driven by a servo motor to form a sliding movement.

CNC inverted double-station deep hole drilling machine structure, the axes of the spindle part 4 and the pressing part 3 are arranged on the same axis, and the feeding and withdrawal movements are realized by the up and down sliding movement of the pressing part 3.

Action principle of the present invention:

Mechanical axis (take one of the stations as an example):

Z axis—the servo motor drives the screw to control the up and down movement of the pressing part. (not shown in the picture)

Processing workpiece uses guide sleeve to locate workpiece 31 and presses the workpiece on the guide sleeve 32 with the hydraulic tip. The X-axis motion controls the pressing part 3 to advance and retreat the knife and locate, and the main shaft 41 rotates the processed workpiece. The workpiece is manually loaded and unloaded, automatically clamped, and the rough and finish machining of the deep hole is completed in one clamping.

The action sequence is: manual feeding - hydraulic clamping - closing the protective door - turning on the cooling pump - spindle rotation - feeding the pressing seat down - drilling - returning the pressing seat after completion - the main shaft Stop—the cooling pump is turned off—open the protective door—hydraulic release—feeding—enter the next cycle.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. The utility model does not depart from the spirit and scope of the utility model There will also be various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (3)

1. A CNC inverted double-station deep hole drilling machine is characterized in that it comprises bed parts, left frame type column parts, right frame type column parts, left frame type pressing parts, right frame type pressing parts, left Main shaft part, right main shaft part, left frequency conversion speed regulating motor, right frequency conversion speed regulating motor, left belt tensioner part, right belt tensioner part. A column part and a right frame type column part, the left frame type pressing part and the right frame type pressing part are respectively installed on the left frame type upright part and the right frame type upright part, the left frame type pressing part and the right frame The type pressing parts can slide on the corresponding left frame-shaped column parts and right frame-shaped column parts, and the left frame-shaped column parts and the right frame-shaped column parts are equipped with drill sleeve mounting seats located below, installed on the drill sleeve The drill bushing on the mounting seat and the hydraulic cylinder connected to the seat cover, the table top at the front of the bed part, the left frame-shaped column part and the right frame-shaped column part are respectively installed with a left main shaft part and a right main shaft part, A deep hole gun drill is installed on the left main shaft part and the right main shaft part, and a left variable frequency speed regulating motor and a right frequency variable speed regulating motor are respectively installed on the left and right sides of the bed part, and the left variable frequency speed regulating motor and the right variable frequency speed regulating motor are respectively installed. The right frequency conversion speed regulating motor is connected to the left main shaft part and the right main shaft part through the left belt tensioner part and the right belt tensioner part respectively. 2. The CNC inverted double-station deep hole drilling machine according to claim 1, wherein the left frame-shaped column part and the right frame-shaped column part are placed perpendicularly to the upper surface of the bed part. 3. CNC inverted double-station deep hole drilling machine as claimed in claim 1 or 2, characterized in that, the center of the left main shaft part and the right main shaft part and the center of the drill sleeve on the left pressing part and the right pressing part on the same vertical line.

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