CN111408948A - Portable removal is bored and is milled platform - Google Patents

Abstract

The invention relates to a portable movable drilling and milling platform, and belongs to the field of drilling and milling machine equipment. The portable movable drilling and milling platform comprises an X-direction sliding table, a Y-direction bottom plate, a Z-direction support, a driving motor and a speed change mechanism; the X-direction sliding table is connected with the Y-direction bottom plate through a base, a Z-direction support is arranged on the X-direction sliding table, a speed change mechanism is arranged on the Z-direction support, and a driving motor for driving the speed change mechanism to rotate is arranged on the speed change mechanism; the speed change mechanism is provided with a drilling and milling cutter head. The portable movable drilling and milling platform has high processing quality, is particularly suitable for processing ultra-large parts or parts which are not detachable and movable, improves the processing efficiency, reduces the processing cost and makes up the defects of fixed base drilling and milling machine tools.

Description

A portable mobile drilling and milling platform

technical field

The invention relates to a portable mobile drilling and milling platform, belonging to the field of drilling and milling machine equipment.

Background technique

Drilling and milling machines are widely used in industrial production, but ordinary drilling and milling machines have a heavy bed, which needs to be fixed on the ground with anchor bolts, and usually cannot be moved. or components that cannot be moved are not applicable. For the drilling and milling of immovable parts, it is necessary to use a portable mobile drilling and milling platform, such as the processing of large-scale construction steel structure parts, ships and ports and other large-scale industrial parts. Therefore, the portable drilling and milling platform is of great practical significance for processing super-large parts and parts that are inconvenient to move. The portable mobile drilling and milling platform can be fixed to other bases by welding or bolt clamping according to the different processing contents, and then the workpiece can be processed. This processing method is especially suitable for super-large parts, or parts that are not removable and immovable, and make up for the insufficiency of fixed-base drilling and milling machines.

SUMMARY OF THE INVENTION

The present invention provides a portable mobile drilling and milling platform in view of the above shortcomings.

The present invention adopts following technical scheme:

The present invention is a portable mobile drilling and milling platform, comprising an X-direction sliding table, a Y-direction base plate, a Z-direction support, a driving motor and a speed change mechanism; the X-direction sliding table is connected with the Y-direction base plate through the base, and the A Z-direction bracket is arranged on the Z-direction bracket, a speed change mechanism is arranged on the Z-direction bracket, and a drive motor for driving the speed change mechanism to rotate is arranged on the speed change mechanism;

In the portable mobile drilling and milling platform of the present invention, the Y-direction bottom plate is provided with a Y-axis screw rod arranged in the extending direction of the Y-direction bottom plate, and the Y-axis screw rod is driven and rotated by a Y-direction servo motor; The base is provided with a screw pair matched with the Y-axis screw, and the rotation of the Y-axis screw drives the X-direction sliding table to reciprocate along the extension direction of the Y-axis base plate;

The X-axis slide table is provided with an X-axis screw rod arranged in the extension direction of the X-axis slide table, and the X-axis screw rod is driven and rotated by the X-axis servo motor; the bottom of the Z-axis support is provided with an X-axis screw rod to match The screw pair is driven by the rotation of the X-axis screw to drive the Z-direction bracket to reciprocate along the extension direction of the X-direction slide table;

The Z-direction bracket is perpendicular to the X-axis screw rod, one side wall end of the Z-direction bracket is provided with a slider, and the speed change mechanism is arranged on the slider; the top of the Z-direction bracket is provided with a cylinder; the cylinder rod of the cylinder extends to Z into the bracket.

In the portable mobile drilling and milling platform of the present invention, the speed change mechanism includes a frame body, a driving shaft, a lifting joint, a driven shaft, and a main shaft; the frame body is placed on the slider, and one side of the frame body is provided with Lifting joint, the lifting joint extends into the Z-direction bracket and is connected with the cylinder rod of the Z-direction bracket;

The driving motor is arranged on the upper part of the frame body, the driving end of the driving motor is connected with the driving shaft, and the driving shaft, the driven shaft and the main shaft are arranged in sequence in the frame body; the driving shaft, the driven shaft and the main shaft are arranged in parallel and perpendicular to each other. On the X-direction sliding table; the driving shaft, the driven shaft and the main shaft are provided with gear sets that mesh with each other.

In the portable mobile drilling and milling platform of the present invention, the outside of the frame body is provided with a lever mechanism; the lever mechanism is used to convert the gears that mesh with each other between the driving shaft and the driven shaft.

In the portable mobile drilling and milling platform of the present invention, the lever mechanism includes a handle bar, a handle base, a fork lever, and a shift block; the outside of the frame body is provided with a handle seat, and the drive rod of the handle seat extends to In the frame body, the handle base is provided with a handle rod; one end of the drive rod of the handle base is vertically arranged with a fork rod, and one end of the fork rod is provided with a shift block; the shift block is arranged on the gear side of the driving shaft.

beneficial effect

The portable mobile drilling and milling platform of the present invention is used to fix the drilling and milling platform to other bases by welding or bolt clamping during operation, and convert the rotary motion of the motor into the linear motion of the rolling guide through the ball screw, so as to realize The movement of drilling and milling in X and Y directions; under normal circumstances, the travel in the Z direction is not large, and the headstock is hydraulically driven to move in the Z direction; the inner gear of the headstock and the transmission shaft are connected by splines, and the motor drives the variable speed transmission. The device uses the fork lever to adjust the paired transmission gear to change the speed, and then drives the spindle to rotate, and the spindle rotates to drive the tool to rotate to achieve milling.

The portable mobile drilling and milling platform of the present invention has high processing quality, is especially suitable for processing super-large parts, or non-removable and non-movable parts, improves processing efficiency, reduces processing costs, and compensates for fixed-base type drilling and milling machine tools of insufficiency.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the top view structure schematic diagram of the present invention;

Fig. 3 is the side view structure sectional view of the present invention;

Fig. 4 is the sectional structure schematic diagram of A place in Fig. 3;

Fig. 5 is the sectional structure schematic diagram of the speed change mechanism of the present invention;

6 is a schematic structural diagram of a lever mechanism of the present invention;

Fig. 7 is the three-dimensional structure schematic diagram of the lever mechanism of the present invention;

FIG. 8 is a schematic view of the three-dimensional structure of the present invention.

In the figure, the X-direction slides 1 and 2 are cylinders, 3 is the motor, 4 is the cylinder rod, 5 is the slider, 6 is the X-direction servo motor, 7 is the Y-direction motor mounting plate, 8 is the Y-direction motor mounting plate, and 9 is the Y-direction motor mounting plate. is the Y-direction base plate, 10 is the driven gear, 11 is the main shaft, 12 is the bearing, 13 is the driving shaft, 14 is the lifting joint, 15 is the Z-direction frame, 16 is the driving gear, 17 is the motor cover, 18 is the X To the motor mounting plate, 19 is the coupling, 20 is the Y-axis screw, 21 is the X-axis screw, 22 is the X-axis base, 23 is the handle rod, 24 is the handle seat, 25 is the fork rod, and 26 is the dial piece.

Detailed ways

In order to make the purpose and technical solutions of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are some, but not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in the figure: the portable mobile drilling and milling platform includes an X-direction slide table 1, a Y-direction base plate 9, a Z-direction support 15, a drive motor 24, and a speed change mechanism; the X-direction slide table 1 passes through the base and the Y-direction base plate 9 Connected, the X-direction sliding table 1 is provided with a Z-direction bracket 15, the Z-direction bracket 15 is provided with a speed change mechanism, the speed change mechanism is provided with a drive motor 24 that drives the speed change mechanism to rotate; the speed change mechanism is provided with a drilling and milling cutter head. The main body of the present invention adopts a T-shaped structure, and the base is fixed on other bases by a set of bolts. It should be pointed out that the bed of the portable drilling and milling platform actually refers to the base of the fixed guide rail. The basic working principle is that the motor drives the screw to rotate to make The nut moves and drives the sliding seat to reciprocate;

Under normal circumstances, the main drilling and milling strokes in the X and Y directions are relatively large, while the Z direction does not require too much stroke. The Z-axis feed movement is realized by hydraulically driving the headstock to move up and down between the guide rails. Compared with other types, the hydraulic Under the same power conditions, the transmission is small in size, light in weight, small in inertia, and sensitive in action, enabling frequent starting and reversing.

The drilling and milling device is mainly composed of a motor, a variable speed transmission device, a main shaft and a tool clamping device. The variable speed transmission device is mainly composed of a transmission shaft, a bearing, a series of sliding gears, a shift fork rod, etc. The gear and the transmission shaft are connected by splines. The working principle is that the motor drives the variable speed transmission device, and the paired transmission gear is adjusted by the fork lever to change the speed, and then drives the spindle to rotate, and the spindle rotates to drive the tool to rotate to achieve milling;

The Y-axis base 9 is provided with a Y-axis screw 20 arranged in the extending direction of the Y-axis base 9. The Y-axis screw 20 is driven and rotated by the Y-axis servo motor 18; the base of the X-axis slide 1 is provided with a Y-axis screw The screw pair matched with 20 drives the X-direction slide table 1 to slide back and forth along the extension direction of the Y-direction base plate 9 through the rotation of the Y-axis screw 20;

The X-axis sliding table 1 is provided with an X-axis screw 22 arranged in the extending direction of the X-axis sliding table 1. The X-axis screw 22 is driven and rotated by the X-axis servo motor 6; the bottom of the Z-axis bracket 15 is provided with an X-axis screw The lead screw pair matched with the rod 22 drives the Z-direction bracket 15 to slide back and forth along the extension direction of the X-direction slide table 1 through the rotation of the X-axis lead screw 22;

The X-direction slide table and the Y-direction bottom plate adopt linear rolling guides. The rolling guides are especially suitable for the occasions where the working parts of the machine tool require uniform movement, sensitive movement and high positioning accuracy. They are mainly composed of guide rails, steel balls and sliding seats. There is a nut seat; the guide rail plays the role of guiding and supporting, and should have sufficient guiding accuracy. In order to avoid the loss of precision by pressing out pits on the guide rail, the guide rail surface is generally made of hardened steel; the guide rail should have sufficient rigidity and anti-vibration. ; The guide rail should have good adaptability to the change of temperature, and the guide rail will not be deformed due to the change of the ambient temperature generated by the local heat source.

The Z-direction bracket 15 is perpendicular to the X-axis screw, one side wall end of the Z-direction bracket 15 is provided with a slider 5, and the speed change mechanism is arranged on the slider 5; the top of the Z-direction bracket 15 is provided with a cylinder 2; The rod 4 extends into the Z-direction bracket 15 . The power and control device is mainly composed of hydraulic station, power supply, console, etc. These are auxiliary facilities outside the structure of the drilling and milling platform, and are responsible for providing power for the mobile drilling and milling platform, controlling and supervising the work of the equipment.

The speed change mechanism includes a frame body 25, a driving motor 24, a driving shaft 13, a lifting joint 14, a driven shaft 26, and a main shaft 11; The joint 14 extends into the Z-direction bracket and is connected to the cylinder rod 4 of the cylinder 2 of the Z-direction bracket 15;

The driving motor 25 is arranged on the upper part of the frame body 25, the driving end of the driving motor 24 is connected with the driving shaft 13, and the driving shaft 13, the driven shaft 26 and the main shaft 11 are arranged in the frame body 25 in sequence; the driving shaft 13, the driven shaft 26 and the main shaft are arranged in sequence 11 are arranged in parallel and are perpendicular to the X-direction sliding table; the driving shaft, the driven shaft and the main shaft are provided with gear sets that mesh with each other.

The portable mobile drilling and milling platform provided by the present invention is used to fix the drilling and milling platform on other bases by welding or bolt clamping, and convert the rotary motion of the motor into the linear motion of the rolling guide through the ball screw, so as to realize the drilling and milling process. Milling moves in X and Y directions; under normal circumstances, the travel in the Z direction is not large, and the headstock is hydraulically driven to move in the Z direction; the inner gear of the headstock and the transmission shaft are connected by splines, and the motor drives the variable speed transmission device , through the fork lever to adjust the paired transmission gear to change the speed, and then drive the spindle to rotate, and the spindle rotates to drive the tool to rotate to realize milling; this processing method is especially suitable for processing super-large parts, or non-removable, non-movable parts, making up for The insufficiency of fixed base drilling and milling machine tools.

The headstock is an important part of the machine tool (drilling and milling platform), which is used to arrange the work spindle and its transmission parts and corresponding additional mechanisms.

The main shaft box in the portable mobile drilling and milling platform of the present invention is a relatively complex transmission component, which mainly includes a main shaft assembly, a reversing mechanism (realized by the forward and reverse rotation of the motor), a transmission (series of sliding gears), and a lever mechanism and lubricating devices, etc. Its main function is to support the main shaft and make it rotate to realize the main shaft start. The outer side of the frame body is provided with a lever mechanism; the lever mechanism is used to convert the gears that mesh with each other between the driving shaft and the driven shaft. The lever mechanism includes a handle rod 23, a handle base 24, a fork rod 25, and a dial block 26; a handle base 24 is provided on the outside of the frame body, the drive rod of the handle base 24 extends into the frame body, and the handle base 24 is provided with a handle rod 23; One end of the drive rod of the handle base 24 is vertically arranged with a fork rod 25, and one end of the fork rod 25 is provided with a shifting block 26; the shifting block 26 is arranged on the side of the gear of the driving shaft. The handle rod and the handle base are connected by ordinary threads, the handle base and the fork rod are connected by a thread (similar to a bicycle footrest), and the fork rod and the dial are also connected by a thread; the driving shaft 13, the driven shaft 26 And the main shaft 11 is provided with a sliding gear set that meshes with each other. The gears and the shafts are connected by splines. In a static state, the handle is rotated to drive the fork rod, and the dial moves up and down, thereby pushing the gear on the driving shaft 13. Do slip, and then change the gear ratio, realize the control of the drilling and milling speed; the transmission is a slip gear, using spline connection, which is consistent with the principle of the existing lathe gearbox.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Substitutions should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (5)

1. The utility model provides a portable removal bores and mills platform which characterized in that: comprises an X-direction sliding table, a Y-direction bottom plate, a Z-direction bracket, a driving motor and a speed change mechanism; the X-direction sliding table is connected with the Y-direction bottom plate through a base, a Z-direction support is arranged on the X-direction sliding table, a speed change mechanism is arranged on the Z-direction support, and a driving motor for driving the speed change mechanism to rotate is arranged on the speed change mechanism; the speed change mechanism is provided with a drilling and milling cutter head.

2. The portable mobile drilling and milling platform of claim 1, wherein: a Y-axis screw rod arranged in the extending direction of the Y-direction bottom plate is arranged in the Y-direction bottom plate and is driven to rotate by a Y-direction servo motor; a screw rod pair matched with a Y-axis screw rod is arranged on a base of the X-direction sliding table, and the X-direction sliding table is driven to slide back and forth along the extending direction of the Y-direction bottom plate through the rotation of the Y-axis screw rod;

an X-axis screw rod arranged in the extending direction of the X-direction sliding table is arranged in the X-direction sliding table and is driven to rotate by an X-direction servo motor; a screw pair matched with the X-axis screw rod is arranged at the bottom of the Z-direction support, and the Z-direction support is driven to slide back and forth along the extending direction of the X-direction sliding table by the rotation of the X-axis screw rod;

the Z-direction bracket is vertical to the X-axis screw rod, a sliding block is arranged at one side wall end of the Z-direction bracket, and the speed change mechanism is arranged on the sliding block; the top end of the Z-direction bracket is provided with a cylinder; the cylinder rod of the cylinder extends into the Z-direction support.

3. The portable mobile drilling and milling platform of claim 2, wherein: the speed change mechanism comprises a frame body, a driving shaft, a lifting joint, a driven shaft and a main shaft; the rack body is arranged on the sliding block, one side of the rack body is provided with a lifting joint, and the lifting joint extends into the Z-direction support and is connected with a cylinder rod of the Z-direction support;

the driving motor is arranged at the upper part of the frame body, the driving end of the driving motor is connected with the driving shaft, and the driving shaft, the driven shaft and the main shaft are sequentially arranged in the frame body; the driving shaft, the driven shaft and the main shaft are arranged in parallel and are all vertical to the X-direction sliding table; the driving shaft, the driven shaft and the main shaft are provided with gear sets which are meshed with each other.

4. The portable mobile drilling and milling platform of claim 3, wherein: a deflector rod mechanism is arranged on the outer side of the frame body; the shifting lever mechanism is used for converting gears which are meshed with each other between the driving shaft and the driven shaft.

5. The portable mobile drilling and milling platform of claim 4, wherein: the shifting lever mechanism comprises a handle rod, a handle seat, a shifting fork rod and a shifting block; a handle seat is arranged on the outer side of the frame body, a driving rod of the handle seat extends into the frame body, and a handle rod is arranged on the handle seat; one end of a driving rod of the handle seat is vertically provided with a shifting fork rod, and one end of the shifting fork rod is provided with a shifting block; the shifting block is arranged on one side of the gear of the driving shaft.

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