CN202684508U - Machine tool special for milling, drilling and tapping - Google Patents

Abstract

The utility model discloses a special machine tool for milling, drilling and tapping, which comprises a frame on which a workbench and a drive mechanism for driving the longitudinal movement of the workbench are slidably installed. T-shaped slot, the frame is also equipped with a milling mechanism, a drilling mechanism and a tapping mechanism which are arranged on the lateral side of the workbench and arranged in sequence from front to back. The utility model has a simple structure, and the three processes of milling, drilling and tapping can be realized after clamping and fixing the workpiece once, and has the advantages of high production efficiency and high processing precision.

Description

Milling, drilling, tapping special machine tools

technical field

The utility model relates to a special machine tool for milling, drilling and tapping.

Background technique

At present, the processing of the end face and the threaded hole of the end face of the long strip parts is processed in separate steps or processed in several passes in the machining center. The method of sub-process processing has the following disadvantages: due to the multiple positioning of tooling and the turnover between processes, it is easy to cause a decrease in processing accuracy and bumps on the processing surface, and it also results in a large number and variety of equipment, tooling and station tools, and low work efficiency; The use of machining centers will result in a double increase in manufacturing costs and equipment capital investment.

Utility model content

The technical problem to be solved by the utility model is to provide a special machine tool for milling, drilling and tapping, which can realize the three processes of milling, drilling and tapping after clamping and fixing the workpiece once.

In order to solve the above technical problems, the provided machine tool for milling, drilling and tapping includes a frame, and its structural features are: a workbench and a driving mechanism for driving the longitudinal movement of the worktable are slidably installed on the frame, and there are The T-slot of the workpiece tooling can be connected, and the frame is also equipped with a milling mechanism, a drilling mechanism and a tapping mechanism which are located on the lateral side of the workbench and arranged in sequence from front to back.

The milling mechanism includes a milling transmission box connected with the power of the milling motor, and a milling cutter disc is connected to the power output shaft of the milling power box.

The drilling mechanism includes a drilling power box that is slidably connected to the frame and is power-connected with the drive motor, the frame is equipped with a drilling drive motor that drives the drilling power box to slide laterally, and the power output shaft of the drilling power box A drill bit fixture is installed on the top, and the tapping mechanism includes a tapping power box that is slidably connected to the frame and is connected to the drive motor power. The frame is equipped with a tapping drive motor that drives the tapping power box to slide laterally, and the tapping power The power take-off shaft of the box is equipped with a tap fixture.

The frame is equipped with at least two slide rails arranged in parallel at intervals, and the bottom surface of the workbench is equipped with a slide seat matched with the slide rails. The drive mechanism includes a drive screw connected to the frame and driven by a motor. The screw nut that is screwed on the driving lead screw is also housed on the bottom surface.

The frame is also equipped with a drilling guide plate located between the workbench and the drilling mechanism, and the drilling guide plate is provided with a guide hole.

After adopting the above structure, the workpiece is clamped on the workbench by the workpiece tooling, and the worktable is driven to move longitudinally through the driving mechanism. One process realizes the completion of processing tasks that usually can be completed on two or even three ordinary machine tools, reduces the number of operators and parts turnover time, improves production efficiency, and avoids bumps during parts turnover. The type of tooling can be adapted to the processing of parts of various specifications and models, which improves the applicable processing capacity of the machine, reduces the operator's artificial processing error, reduces the labor intensity of the operator, and ensures the higher position of threaded hole processing precision. The setting of the drilling guide plate is beneficial to the precision of drilling, thereby further improving the machining precision of threaded holes or through holes.

To sum up, the utility model has a simple structure, and the three processes of milling, drilling and tapping can be realized after clamping and fixing the workpiece once, and has the advantages of high production efficiency and high processing precision.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is the structural representation of a kind of embodiment of the utility model;

Fig. 2 is the schematic diagram along the A-A line sectional view among Fig. 1;

FIG. 3 is a schematic perspective view of FIG. 1 .

Detailed ways

Milling, drilling, tapping machine tool as shown in Figure 1, Figure 2 and Figure 3, it comprises frame 1, and one side of frame 1 is equipped with control cabinet 15, circulating water pump and water tank, slides on frame 1 The workbench 2 and the driving mechanism for driving the longitudinal movement of the workbench 2 are installed. The workbench 2 is slidably installed on the frame 1 using the following structure: the frame 1 is equipped with at least two slide rails arranged in parallel and spaced apart, and the workbench 2 The slide seat that cooperates with slide rail is housed on the bottom surface, and driving mechanism comprises that on the frame 1, the driving screw that is connected with by motor 3 is rotated, and the screw nut that is screwed on the driving screw is also housed on the bottom surface of workbench 2. The workbench 2 can also be connected to the frame by the matching structure of the guide shaft and the sliding sleeve, and the drive mechanism can also be realized by a structure in which the frame 1 is equipped with a rack and the workbench 2 is equipped with a gear meshing with the rack. 2 vertical movement. The workbench 2 is provided with a T-shaped slot 4 that can be connected to the workpiece tooling 16, and the workpiece tooling 16 is connected to the workbench 2 through the compression bolts connected in the T-shaped groove 4, such as a workpiece shown in this embodiment The tooling 16 has a workpiece 17 clamped on it, and the workpiece can be positioned on the workpiece tooling 16 by the pressing bolts on the top and the pressing bolts on the side. The milling mechanism, the drilling mechanism and the tapping mechanism are arranged in sequence from the front to the rear. The milling mechanism includes a milling transmission box 5 connected to the milling motor 6. The power output shaft of the milling power box 5 is connected with a milling cutter disc 7, and the milling cutter Milling cutter can be housed on 7. Drilling mechanism comprises the drilling power box 9 that is slidably connected on the frame 1 and is connected with drive motor 8 power, and the drilling drive motor 10 that drives drilling power box 9 lateral slides is housed on the frame 1, and drilling power box The power take-off shaft of 9 is provided with drill bit fixture, and drill bit fixture is driven to rotate by drive motor 8, as shown in the figure, is provided with multiple power take-off shafts and drill bit fixture on the drilling power box 9, for machining workpiece 17, among them three A drill bit holder is equipped with a drill bit, which can simultaneously drill the workpiece 17. The frame 1 is also equipped with a drilling guide plate 14 positioned between the workbench 2 and the drilling mechanism. Specifically, the guide plate 14 is located on the above-mentioned drill bit. Between the fixture and the workbench 2, the drilling guide plate 14 is provided with a guide hole for drill bits to pass through, and different types of drilling guide plates 14 can be determined according to the number and positions of the drill bits. The tapping mechanism includes a tapping power box 11 that is slidably connected on the frame 1 and is connected with the drive motor 8. The frame 1 is equipped with a tapping drive motor 12 that drives the tapping power box 11 to slide laterally. Tap clamp 13 is housed on the power output shaft of 11, and screw tap clamp 13 is driven and rotated by driving motor 8, and in like manner, according to the quantity and the position of borehole, the screw tap clamp 13 that adapts to drill clamp quantity and position is set, and tap clamp 13 tops There are taps. The specific structure of the above-mentioned drilling power box 9 and the tapping power box 11 and the connection structure with the drive motor 8 and the clamp are prior art, and the structure that is slidably connected to the frame 1 can adopt the matching structure of the guide rail and the slide seat. The drilling drive motor 10 and the tapping drive motor 12 respectively use the structure of the screw nut to drive the drilling power box 9 and the tapping power box 11, and the motor 3, the drilling drive motor 10 and the tapping drive motor 12 all use servo motors And the electrical control is carried out by the control cabinet 15 respectively, thereby accurately controlling the longitudinal movement of the workbench and the lateral movement of the cutting power box 9 and the tapping power box 11. The structure and principle of its electrical control are prior art, and will not be repeated here repeat. A cooling water pipe 18 connected to the circulating water pump is also provided above the milling cutter, the drill bit and the tap, and a water spray head is arranged on the cooling water pipe 18 to cool the milling cutter, the drill bit and the tap.

Claims (5)

1. A special machine tool for milling, drilling and tapping, including a frame (1), characterized in that: the frame (1) is slidably installed with a worktable (2) and a drive for driving the longitudinal movement of the worktable (2) Mechanism, the workbench (2) is provided with a T-shaped slot (4) that can be connected to the workpiece tooling, and the frame (1) is also equipped with a milling mechanism located on the lateral side of the workbench (2) and arranged in sequence from front to back, Drilling mechanism and tapping mechanism. 2. The special machine tool for milling, drilling and tapping according to claim 1, characterized in that: the milling mechanism includes a milling transmission box (5) power-connected with the milling motor (6), and a milling power box (5) A milling cutter disc (7) is connected on the power take-off shaft. 3. The special machine tool for milling, drilling and tapping according to claim 1, characterized in that: the drilling mechanism includes a drilling machine that is slidably connected to the frame (1) and power-connected with the drive motor (8). The power box (9), the drilling drive motor (10) that drives the drilling power box (9) to slide laterally is housed on the frame (1), and the drill bit clamp is housed on the power output shaft of the drilling power box (9). The tapping mechanism includes a tapping power box (11) that is slidably connected to the frame (1) and is power-connected with the driving motor (8). Tapping drive motor (12), tap clamp (13) is housed on the power take-off shaft of tapping power box (11). 4. The special machine tool for milling, drilling and tapping according to any one of claims 1-3, characterized in that: the frame (1) is equipped with at least two slide rails arranged in parallel and spaced apart, and the workbench The bottom surface of (2) is equipped with a sliding seat that cooperates with the slide rail. The driving mechanism includes a driving screw that is rotatably connected to the frame (1) and driven by the motor (3). The bottom surface of the workbench (2) is also Fitted with screw nuts screwed on the drive screw. 5. The special machine tool for milling, drilling and tapping according to claim 4, characterized in that: the frame (1) is also equipped with a drilling guide located between the workbench (2) and the drilling mechanism Plate (14), is provided with guide hole on the drilling guide plate (14).

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