CN203579184U - Combined machine tool for milling end faces and drilling center holes of inclined guide rails - Google Patents

Abstract

The utility model discloses a combined machine tool for milling end faces and drilling center holes of inclined guide rails. The combined machine tool comprises a base (1), a moving workbench (2), a workpiece positioning device (3), a milling device (4), a drilling device (5), a fixture (6) and a cooling and cutting removal device (7), wherein the moving workbench (2) is installed on an inclined table board of the base (1), the workpiece positioning device (3), the milling device (4) and the drilling device (5) are installed on the base (1), the fixture (6) is installed on the moving workbench (2), and the cooling and cutting removal device (7) is connected with a cavity in the base (1). The combined machine tool is reasonable in structural design, high in automation degree, convenient to operate, high in working efficiency, and capable of milling the end faces and drilling the center holes in sequence, cuttings, cooling liquid and the like can be discharged easily, the quality of manufactured products is high, and many defects in the prior art can be overcome.

Description

A Composite Machine Tool for Milling End Face and Drilling Center Hole with Inclined Guide Rail

technical field

The utility model relates to a machining machine tool, in particular to a compound machine tool with high production efficiency, capable of automatic chip removal, automatic cleaning of cutting fluid, and capable of milling end faces and drilling center holes on the same machine tool.

Background technique

At present, the processes of drilling the center hole and milling the end face are usually completed on two independent machine tools, or on a lathe. For example, to process a steering knuckle, it is necessary to first mill the end face of the shaft to determine the length, drill the center hole, and then turn around and drill the center hole on the other end face. The two center holes serve as the main benchmarks for subsequent processing. In the prior art, the blank surface is used as the rough reference for both schemes. The workpiece is repeatedly positioned and clamped, and the centering accuracy is poor, which affects the processing quality of the subsequent process. The workload is large and the degree of automation is high. Low, low processing efficiency. Moreover, most of the machine tools for drilling center holes adopt the horizontal axis processing form, and chips, coolant, etc. are not easy to discharge, which affects the processing quality.

Therefore, it is very necessary to design a compound machine tool with reasonable structural design, high work efficiency, and the ability to mill end faces and drill center holes sequentially on the basis of existing technologies.

Contents of the invention

Purpose of the utility model: The purpose of the utility model is to solve the deficiencies of the prior art, provide a reasonable structural design, high degree of automation, convenient operation, high work efficiency, which can realize end face milling and center hole drilling in sequence, and chips, cooling Liquid etc. are easy to discharge, and the prepared product is a compound machine tool with high quality.

Technical scheme: in order to realize above object, the technical scheme that the utility model takes is:

A compound machine tool for milling end faces and drilling center holes with inclined guide rails, which includes: a base, a mobile worktable installed on the inclined table of the base; a workpiece positioning device, a milling device and a drilling device installed on the base; installed on the mobile workbench The fixture; the cooling chip removal device connected with the inner cavity of the base.

The base includes an intermediate base, a side bed and a backing plate. The upper part of the intermediate base is an inclined platform; a mobile workbench is installed on the inclined platform to ensure that the workpiece moves along the inclined surface to adjust the station, and the surrounding inclined surface is from outside to inside. The flow groove path for chip removal and cleaning coolant is formed, and the hollow part in the middle of the base is used to place the box body of the cooling chip removal device. This machine tool changes the common horizontal machining center hole into inclined plane machining, and adopts inclined horizontal double-sided arrangement. The processed chips and coolant can automatically fall into the internal cooling chip removal device along the predetermined path formed by the fixture and the base inclined plane, and then Automatic discharge by cooling chip removal device.

The mobile workbench includes a support, a sliding table installed on the support and a transmission device of the sliding table; a clamp is installed on the sliding table, and the clamp drives the workpiece to move along the inclined plane to change the working position.

The workpiece positioning device includes a first bracket, a second bracket, a positioning cylinder installed on the first bracket, a limit rod installed on the positioning cylinder, and a limit block connected to one end of the limit rod, installed on the second The pushing cylinder on the support is connected with the pressing block; the limit rod moves under the push of the positioning cylinder, and the workpiece is positioned axially by the limit block plane at one end of the limit rod.

The clamp includes a clamp body, a lower transmission shaft installed on the clamp body, an upper transmission shaft, a gear installed between the lower transmission shaft and the upper transmission shaft, a left V-shaped block installed on the bracket, and one end of the upper transmission shaft. The connected right V-shaped block, the other end of the upper drive shaft is equipped with an oil cylinder, an initial limit bracket installed on the clamp body, and a limit screw. The upper transmission shaft and the lower transmission shaft are driven by an oil cylinder, linked by gears, cylindrical racks, and reversely moved by two pairs of short V-shaped blocks, and positioned and clamped from the circumferential direction to realize automatic centering and secure clamping. As a preferred solution, in the above-mentioned compound machine tool for milling, face drilling, and centering of inclined guide rails, the milling device includes a power head, a driving motor of the power head and a milling cutter installed on the main shaft of the power head.

As a preferred solution, in the above-mentioned compound machine tool for milling end faces and drilling center holes with inclined guide rails, the drilling device includes a slide table, a servo device installed on one end of the slide table, a motor and a power head installed on the slide table, and Drilling tool on drive head spindle.

As a preferred solution, in the above-mentioned composite machine tool for milling, end face, and center hole drilling with inclined guide rails, the cooling chip removal device includes a box body, a conveying trolley, an oil-water separator installed in the box body, a liquid level gauge and a cooling pump. The chips and coolant slide down along the inclined plane to the box protruding into the base, are separated from oil and water by the control system, cooled, and then discharged through the trolley.

The specific working process of the positioning and clamping of the workpiece in the inclined guide rail milling end face drilling center hole compound machine tool described in the utility model is as follows: the robot hand loads the material, the initial limit device keeps the workpiece in a predetermined position, and the oil cylinder is positioned and pushed. The axial positioning of the workpiece is realized by extending the oil cylinder one after another, and then the fixture oil cylinder is activated, driving the left V-shaped block and the right V-shaped block to move in reverse, positioning and clamping from the circumferential direction, realizing automatic centering, clamping firmly, and then positioning The oil cylinder and the pushing oil cylinder are withdrawn, and the processing surface of the workpiece is released for the milling device and the drilling device to mill the end face and drill the center hole respectively.

In the composite machine tool for milling, end face, and center hole drilling with inclined guide rails described in the utility model, after the workpiece is positioned and clamped, the actual processing process of the workpiece is as follows: the main shaft of the power head extends forward, and the workbench is moved to fast forward under the drive of the transmission device, and the milling device starts at the same time , the moving table moves forward, and the milling cutter mills the workpiece. After the milling is completed, the moving table is driven by the transmission device to fast forward, and at the same time the milling device stops, and the milling spindle is retracted; the mobile table is driven by the transmission device, slowly approaching At the drilling station, the two drilling slides are fast forwarded, and the drilling spindle is started at the same time, and the two drilling slides are working forward. The drilling tool on the main shaft of the power head is driven by the motor to drill the milling end face. After the drilling is completed , the two drilling slides fast back in place, and at the same time the two drilling spindles stop, the moving table fast backs and stops at the original position.

Beneficial effects: Compared with the prior art, the composite machine tool for milling end faces and drilling center holes with inclined guide rails provided by the utility model has the following advantages:

(1) The milling end face and drilling process of the prior art are processed by two independent different machine tools or processed by the method of turning the end face and turning around and drilling the center hole on an ordinary lathe. This machine tool can overcome the rough standard of the prior art. Repeated use, low positioning accuracy and difficult chip discharge, the milling end face and center hole drilling are concentrated on the same machine tool and the positioning and clamping is completed at one time. End center hole, return to fully automatic operation, high degree of automation, high processing efficiency, and excellent product quality.

(2) The machine tool for drilling the center hole in the prior art adopts the horizontal axis processing form, and chips, coolant, etc. are not easy to discharge, which affects the processing quality of the product. The machine tool adopts inclined-horizontal double-sided layout, and the processed chips and coolant can automatically fall into the internal cooling chip removal device along the predetermined path formed by the fixture and the base slope, and then be automatically discharged by the cooling chip removal device, so as to realize Automatic cleaning of coolant and chips, with a high degree of automation.

(3) This machine tool uses the workpiece positioning device to separate the positioning device of the positioning surface from the fixture to ensure that it does not affect the processing, and solves the problem that the processing surface can also be used as the positioning surface. In addition, in order to realize the process concentration of milling the end face and drilling the center holes at both ends, the utility model is optimized through a large number of experiments, and the designed workpiece positioning device adopts axial positioning; The shape block linkage realizes circumferential positioning, automatic centering and clamping, accurate positioning and stable clamping, which can greatly improve the precision of processing, and the quality of products obtained by processing is greatly improved compared with the prior art.

Description of drawings

Fig. 1 is a structural schematic diagram of a compound machine tool for milling end faces and drilling center holes with inclined guide rails provided by the utility model.

Fig. 2 is a schematic structural view of the side of the intermediate base in the compound machine tool.

Fig. 3 is a structural schematic diagram of a top view of the middle base in the compound machine tool.

Fig. 4 is a schematic structural diagram of a mobile workbench in a compound machine tool.

Fig. 5 is a structural schematic diagram of a workpiece positioning device in a compound machine tool.

Fig. 6 is a schematic structural view of the side of the fixture in the compound machine tool.

Fig. 7 is a partial structural schematic diagram of the fixture in the compound machine tool viewed from above.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, further set forth the utility model, should be understood that these embodiments are only used for illustrating the utility model and are not intended to limit the scope of the utility model, after having read the utility model, those skilled in the art will understand this utility model The modifications of various equivalent forms of the utility model all fall within the scope defined by the appended claims of the present application.

As shown in Figures 1 to 7, a compound machine tool for milling end faces and drilling center holes with inclined guide rails is characterized in that it includes: a base (1), a mobile working machine installed on the inclined table surface (1-1) of the base (1) Table (2), workpiece positioning device (3) installed on the base, milling device (4) and drilling device (5), fixture (6) installed on the mobile worktable (2), and base cavity box Body connected cooling chip removal device (7);

The base includes an intermediate base, a side bed and a backing plate. The upper part of the intermediate base (1) is an inclined table (1-1), and the periphery of the inclined table (1-1) is composed of an outer-to-inward inclined surface for chip removal and Clean the coolant flow tank (1-2);

The mobile workbench (2) includes a support (2-1), a sliding table (2-2) installed on the support (2-1) and a transmission device (2-2) of the sliding table (2-2). 3);

The workpiece positioning device (3) comprises a first support (3-1), a second support (3-2), a positioning oil cylinder (3-3) installed on the first support (3-1), installed on Position the limit rod (3-4) on the oil cylinder (3-3), and the limit block (3-5) connected to one end of the limit rod (3-4) is installed on the second support (3-2) Pushing against the oil cylinder (3-6), and pushing against the briquetting block (3-7) connected to each other by the oil cylinder (3-6);

Described clamp (6) comprises clamp body (6-1), is installed on the lower transmission shaft (6-2) on the clamp body (6-1), upper transmission shaft (6-3), is installed on lower transmission shaft ( 6-2) and the gear (6-4) between the upper transmission shaft (6-3), the left V-shaped block (6-6) installed on the bracket (6-5), and the upper transmission shaft (6- 3) The right V-shaped block (6-7) connected at one end, the other end of the upper transmission shaft (6-3) is equipped with an oil cylinder (6-8), and the two initial limit positions installed on the clamp body (6-1) Brackets (6-9) and set screws (6-10).

In the above-mentioned composite machine tool for milling, end-face, and drilling center holes with inclined guide rails, the milling device (4) includes a power head, a driving motor of the power head and a milling cutter installed on the main shaft of the power head.

In the above-mentioned composite machine tool for milling end faces of inclined guide rails and drilling center holes, the drilling device (5) includes a slide table, a servo device installed on one end of the slide table, a motor and a power head installed on the slide table, and Drilling tool on power head spindle.

In the above-mentioned composite machine tool for milling, end face, and center hole drilling with inclined guide rails, the cooling chip removal device (7) includes a box body, a conveying trolley, an oil-water separator installed in the box body, a liquid level gauge and a cooling pump.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made, these improvements and Retouching should also be regarded as the scope of protection of the present utility model.

Claims (5)

1. A compound machine tool for milling end faces and drilling center holes with inclined guide rails, characterized in that it comprises: a base (1), a mobile workbench (2) installed on the inclined table surface of the base (1), installed on the base (1) The workpiece positioning device (3), the milling device (4) and the drilling device (5), the fixture (6) installed on the mobile table (2), the cooling chip removal device connected with the inner cavity of the base (1) (7); The base (1) includes an intermediate base, a side bed and a backing plate, the upper part of the intermediate base is an inclined table (1-1), and the periphery of the inclined table (1-1) is composed of an outward-to-inward inclined surface for chip removal and cleaning. Coolant flow tank (1-2); The mobile workbench (2) includes a support (2-1), a sliding table (2-2) installed on the support (2-1) and a transmission device (2-2) of the sliding table (2-2). 3); The workpiece positioning device (3) comprises a first support (3-1), a second support (3-2), a positioning oil cylinder (3-3) installed on the first support (3-1), installed on Position the limit rod (3-4) on the oil cylinder (3-3), and the limit block (3-5) connected to one end of the limit rod (3-4) is installed on the second support (3-2) Pushing against the oil cylinder (3-6), and pushing against the briquetting block (3-7) connected to each other by the oil cylinder (3-6); Described clamp (6) comprises clamp body (6-1), is installed on the lower transmission shaft (6-2) on the clamp body (6-1), upper transmission shaft (6-3), is installed on lower transmission shaft ( 6-2) and the gear (6-4) between the upper transmission shaft (6-3), the left V-shaped block (6-6) installed on the bracket (6-5), and the upper transmission shaft (6- 3) The right V-shaped block (6-7) connected at one end, the other end of the upper drive shaft (6-3) is equipped with an oil cylinder (6-8), and the initial limit bracket (6-8) installed on the clamp body (6-1) 6-9) and limit screws (6-10). 2. The compound machine tool for milling, face drilling, and center hole drilling of inclined guide rails according to claim 1, characterized in that, there are two initial limit brackets (6-9). 3. the inclined guide rail milling end face drilling center hole compound machine tool according to claim 1, is characterized in that, described milling device (4) comprises power head, the driving motor of power head and the milling cutter that are installed on the power head main shaft . 4. The compound machine tool for milling end faces and drilling center holes with inclined guide rails according to claim 1, wherein said drilling device (5) comprises a slide table, and a servo device installed on one end of the slide table is installed on the slide table The motor and power head on the machine, the drilling tool installed on the main shaft of the power head. 5. The compound machine tool for milling end faces and drilling center holes with inclined rails according to claim 1, characterized in that, the cooling chip removal device (7) comprises a box body, a conveying trolley, an oil-water separator installed in the box body, a liquid Position gauge and cooling pump.

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