CN210848435U - Machine tool for machining crankshaft box - Google Patents

Abstract

The utility model discloses a machine tool for machining a crankcase, comprising a machine tool column, a machine tool base and a workbench. One end of the top of the machine tool base is fixedly connected with a machine tool column, and one end of the machine tool column is fixedly connected with a spindle box. The bottom end of the spindle box is drive-connected with a drill bit, and the top middle of the machine tool base is drive-connected with a worktable. The utility model is provided with a spindle box, a drill bit, a hydraulic cylinder, a special fixture and a workbench, and the special fixture in the form of hydraulic cylinder transmission is convenient for fixing and clamping the workpiece, and the clamping force can be adjusted under the action of the pressure valve. Adjustment and control, under the requirement of ensuring sufficient clamping force, to ensure that the workpiece is not damaged due to excessive clamping force, driven by motor and relying on ball screw for transmission, so that the drill can achieve rapid movement of multiple machining holes The positioning is convenient for the spindle box to drive the drill to punch the workpiece on the worktable.

Description

A machine tool for machining crankcase

technical field

The utility relates to the technical field of machine tool devices, in particular to a machine tool for machining a crankcase.

Background technique

A machine tool refers to a machine that makes a machine, also known as a work machine or a machine tool, and is customarily referred to as a machine tool. Generally divided into metal cutting machine tools, forging machine tools and woodworking machine tools. There are many ways to process mechanical parts in modern machinery manufacturing: in addition to cutting, there are casting, forging, welding, stamping, extrusion, etc., but for parts with high precision and fine surface roughness requirements, generally need to be in The cutting method is used for final processing on the machine tool. Most of the current machine tools are composed of more complex structures, which are inconvenient to use and affect the processing efficiency.

Utility model content

The main purpose of the present invention is to provide a machine tool for machining a crankcase, which can effectively solve the problems in the background technology.

To achieve the above purpose, the technical scheme adopted by the present utility model is:

A machine tool for machining a crankcase, comprising a machine tool column, a machine tool base and a workbench, one end of the top of the machine tool base is fixedly connected with a machine tool column, one end of the machine tool column is fixedly connected with a spindle box, and the bottom of the spindle box is fixedly connected. The end drive is connected with a drill bit, the top middle of the machine tool base is connected with a workbench, the top of the workbench is fixedly connected with a special fixture, and the four corners of the bottom end of the machine tool base are provided with height adjustment seats. A hydraulic cylinder is fixedly connected to the middle of one side by screws, and a clamping block is fixedly connected to the surface of the other side of the special clamp. A limit groove is opened in the middle of the clamping block, and the special clamps on both sides are connected by a hydraulic cylinder. There is a connecting rod, and one end of the surface of the connecting rod is fixedly connected with a pressure valve.

Further, the two sides of the special clamp are connected with the connecting rod through hydraulic cylinders, and the special clamp is provided with two pieces in total, and the special clamp has a rectangular block structure.

Further, both sides of the bottom end of the worktable are connected with ball screws through a motor drive. The worktable is slidably connected to the machine base through the ball screws, and the worktable is a detachable structure.

Further, there are four height adjustment seats in total, and the height adjustment seats are evenly distributed on the four corners of the bottom end of the machine base, and the heights of the height adjustment seats are the same.

Further, the connection between the spindle box and the drill bit is connected through a ball screw drive, and a forward motor is provided at the connection between the spindle box and the machine tool column.

Compared with the prior art, the utility model has the following beneficial effects:

(1): This utility model is provided with a machine tool base and a height adjustment seat, which is convenient to place height-adjustable height adjustment seats at the four corners of the machine tool base, which can make the overall height of the machine tool base adjust so as to be suitable for processing parts of different heights;

(2): This utility model is provided with a spindle box, a drill bit, a hydraulic cylinder, a special fixture and a workbench, and the special fixture in the form of hydraulic cylinder transmission is convenient for fixing and clamping the workpiece, and under the action of the pressure valve, the workpiece can be fixed and clamped. The adjustment and control of the clamping force ensures that the workpiece is not damaged due to excessive clamping force under the requirement of sufficient clamping force. Driven by a motor and driven by a ball screw, the drill can realize multiple machining operations. The fast moving positioning of the hole makes it convenient for the spindle box to drive the drill bit to punch the workpiece on the worktable.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic diagram of the partial structure of the special clamp of the present invention.

3 is a schematic diagram of the overall structure of the ball screw of the present invention.

In the figure: 1. Machine tool column; 2. Spindle box; 3. Drill bit; 4. Special fixture; 5. Workbench; 6. Machine tool base; 7. Height adjustment seat; 8. Hydraulic cylinder; 9. Pressure valve; 10. Connecting rod; 11. Limit slot; 12. Clamping block; 13. Ball screw.

Detailed ways

In order to make the technical means, creative features, and achievement of the present utility model easy to understand and understand, the present utility model will be further described below with reference to the specific embodiments.

As shown in Figures 1-3, a machine tool for machining a crankcase includes a machine tool column 1, a machine tool base 6 and a workbench 5. One end of the top of the machine tool base 6 is fixedly connected with a machine tool column 1. The machine tool column 1 One end is fixedly connected with the spindle box 2, the bottom end of the spindle box 2 is connected with the drill bit 3, the top middle of the machine tool base 6 is connected with the worktable 5, and the top of the worktable 5 is fixedly connected with a special fixture 4. The four corners of the bottom end of the machine tool base 6 are provided with a height adjustment seat 7, the middle part of one side of the special fixture 4 is fixedly connected with a hydraulic cylinder 8 by screws, and the other side surface of the special fixture 4 is fixedly connected with a clamp. The clamping block 12 has a limit groove 11 in the middle, the special clamps 4 on both sides are connected with connecting rods 10 through hydraulic cylinders 8, and a pressure valve 9 is fixedly connected to one end of the surface of the connecting rod 10.

Wherein, the two sides of the special clamp 4 are connected to the connecting rod 10 through the hydraulic cylinder 8. The special clamp 4 is provided with two pieces in total. Clamp the workpiece.

Wherein, the two sides of the bottom end of the worktable 5 are connected with a ball screw 13 through a motor drive. The worktable 5 is slidably connected to the machine base 6 through the ball screw 13 , and the worktable 5 is a detachable structure.

Among them, there are four height adjustment seats 7 in total, the height adjustment seats 7 are evenly distributed on the four corners of the bottom end of the machine tool base 6 , and the heights of the height adjustment seats 7 are the same.

Wherein, the connection between the spindle box 2 and the drill bit 3 is driven and connected by a ball screw 13 , and a forward motor is provided at the connection between the spindle box 2 and the machine tool column 1 .

It should be noted that the present invention is a machine tool for machining crankcases. During use, firstly, the height of the machine tool base 6 is adjusted according to the height adjustment seats 7 arranged at the four corners of the bottom end of the machine tool base 6, so as to adapt to different To process the workpiece, place the workpiece to be punched on the table 5, and clamp the workpiece through the hydraulic cylinders 8 at both ends of the special fixture 4, so that the clamping block 12 is clamped with the workpiece, and the special fixture 4 is on the connecting rod 10. To move, it is convenient to realize the adjustment and control of the clamping force under the action of the pressure valve 9. Under the requirement of ensuring sufficient clamping force, it is ensured that the workpiece is not damaged due to excessive clamping force. At this time, it is convenient for the spindle box 2. Drive the drill bit 3 to make the motor drive, so as to rely on the ball screw 13 for transmission, so that the drill bit 3 can achieve rapid movement and positioning of multiple machining holes, so that the spindle box 2 can drive the drill bit 3 to punch the workpiece on the table 5.

The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention The new model will also have various changes and improvements, which all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. A machine tool for crankcase processing, comprising a machine tool column (1), a machine tool base (6) and a workbench (5), characterized in that: the top end of the machine tool base (6) is fixedly connected with a machine tool column ( 1), one end of the machine tool column (1) is fixedly connected with a spindle box (2), the bottom end of the spindle box (2) is driven and connected with a drill bit (3), and the top middle of the machine tool base (6) is driven A workbench (5) is connected, the top of the workbench (5) is fixedly connected with a special clamp (4), and the four corners of the bottom end of the machine tool base (6) are provided with height adjustment seats (7), and the special clamp A hydraulic cylinder (8) is fixedly connected to the middle part of one side of (4) by screws, and a clamping block (12) is fixedly connected to the other side surface of the special clamp (4). The middle part of the clamping block (12) A limit groove (11) is opened, the special clamps (4) on both sides are connected with a connecting rod (10) through a hydraulic cylinder (8) transmission, and a pressure valve (9) is fixedly connected to one end of the surface of the connecting rod (10). 2. A machine tool for machining crankcases according to claim 1, characterized in that: the two sides of the special clamp (4) are connected to the connecting rod (10) in a transmission through a hydraulic cylinder (8), and the special clamp (4) A total of two clamps (4) are provided, and the special clamp (4) has a rectangular block structure. 3. A machine tool for crankcase machining according to claim 1, characterized in that: both sides of the bottom end of the worktable (5) are connected with a ball screw (13), the worktable ( 5) A ball screw (13) is slidably connected with the machine tool base (6), and the worktable (5) is a detachable structure. 4. A machine tool for crankcase machining according to claim 1, characterized in that: a total of four height adjustment seats (7) are provided, and the height adjustment seats (7) are evenly distributed on the machine tool base (7). 6), the height of the height adjustment seat (7) is the same. 5. A machine tool for machining a crankcase body according to claim 1, characterized in that: the connection between the spindle box (2) and the drill bit (3) is connected by a ball screw (13) transmission, and the main shaft A forward motor is arranged at the connection between the box (2) and the machine tool column (1).

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