Slotting tool clamping device for numerical control machining

Abstract

The utility model belongs to the technical field of slotting machining, and relates to a slotting tool clamping device for numerical control machining, which comprises a base, the upper end of the base is connected with a spindle of a machine tool machining center, a rectangular through groove is arranged in the base and used for mounting a slotting tool, an upper cover plate is arranged at one end of the rectangular through groove and used for positioning the slotting tool, and a radial middle hole is arranged on the base. The middle hole is perpendicular to and communicated with the rectangular through groove, the sliding locking block is arranged in the middle hole in a sliding mode, the sliding locking block is provided with a rectangular through groove in the radial direction, the rectangular through groove of the sliding locking block is communicated with the rectangular through groove in the base, the slotting tool penetrates through the rectangular through groove in the base and the rectangular through groove in the sliding locking block at the same time, and the front cover plate is arranged at one end of the middle hole. According to the numerical control slotting machine, a numerical control machining center can be quickly modified into the numerical control slotting machine through the numerical control slotting machine, slotting machining can be carried out, the high-precision machining requirement of slotting machining can be met, reasonable utilization of multiple functions of numerical control equipment is developed, and production cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of plunge cutting processing technology and relates to a plunge cutter clamping device for numerical control machining. BACKGROUND

[0002] The elongated groove of a product requires high precision in plunge cutting processing, and the form and position tolerances are strictly required, the traditional processing scheme is manual gear cutting machine processing, belongs to special processing, the number of operators is less, the processing efficiency is low, the skill level of on-site workers is required to be high, and the entire shell part is scrapped due to slight carelessness. Moreover, the operation labor intensity is large, and the quality consistency is poor.

[0003] According to the traditional processing process, the processing mode of manual marking and manual gear cutting machine processing is adopted, the plunge cutter needs to be continuously adjusted for compensation in the processing process, it is difficult to control by means of manual backing plate feeding, the product size and precision control consistency are poor, the product qualified rate is low, and the processing efficiency is low, and the normal production rhythm requirement cannot be met. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem: a plunge cutter clamping device for numerical control machining is provided, the device can well replace manual gear cutting processing, the operation labor intensity is reduced, the production efficiency is improved by more than 4 times, and the processing quality and processing consistency are high.

[0005] The technical scheme of the utility model

[0006] A plunge cutter clamping device for numerical control machining, comprising a base 1, the upper end of the base 1 is connected with a machining center main shaft of a machine tool, an axial rectangular through groove is arranged in the base 1, the rectangular through groove is used for installing a plunge cutter 9, an upper cover plate 6 is arranged at one end of the rectangular through groove and is used for positioning the plunge cutter 9, a radial middle hole is arranged on the base 1, the middle hole is perpendicular to and communicates with the rectangular through groove, a sliding locking block 10 is slidably arranged in the middle hole, the sliding locking block 10 is arranged along the radial direction of the rectangular through groove, the rectangular through groove of the sliding locking block 10 communicates with the rectangular through groove of the base 1, the plunge cutter 9 simultaneously passes through the rectangular through grooves of the base 1 and the sliding locking block 10, a front cover plate 7 is arranged at one end of the middle hole and is connected with the sliding locking block 10 through fastening screws.

[0007] Further, an avoiding hole is arranged at the upper end of the base 1 to avoid interference when being connected with the machining center main shaft.

[0008] Further, the upper cover plate 6 is connected with the base 1 through screws.

[0009] Further, the rectangular through groove in the base 1 cooperates with the shank of the plunge cutter 9 to install the plunge cutter 9.

[0010] Further, the front end face of the base 1 is a high-precision plane, and the flatness is 0.01 mm.

[0011] Further, two screw holes are arranged on the high-precision plane, the two screw holes are communicated with the rectangular through slot on the base, the two screw holes are located on both sides of the middle hole, and the adjusting screw one 11 and the adjusting screw two 12 are respectively installed in the two screw holes and respectively contact the cutter body on the upper side and the lower side of the sliding locking block 10.

[0012] Beneficial effects

[0013] The numerical control machining center can be quickly refitted into a numerical control slotting machine through the device, slotting machining can be carried out, high-precision machining requirements of slotting machining can be met, and the numerical control equipment is rationally utilized, and production cost is saved. The device can well replace manual gear cutting machining, reduces operation labor intensity, production efficiency is improved by more than 4 times, machining quality and machining consistency are high, and the device has high popularization value and has the following advantages.

[0014] 1. The base is used for clamping cutters, and there are non-uniform hole systems on the circumference for connection on the main shaft of the machining center;

[0015] 2. The upper part of the base is provided with an avoiding hole to avoid the interference structure of the connected main shaft of the machining center;

[0016] 3. The upper part of the base is provided with an upper cover plate for positioning the cutter and bearing axial load during slotting machining;

[0017] 4. A sliding locking block is installed in the middle hole of the middle part of the base, and the middle part of the sliding locking block is provided with a rectangular groove, so that the cutter handle can pass through;

[0018] 5. The front cover plate is installed at one end of the middle hole of the base, and the sliding locking block and the front cover plate are connected through a screw to provide lateral pressing force of the cutter;

[0019] 6. Two adjusting screws are arranged on the high-precision plane of the side edge of the base, and small-amplitude adjustment can be made on cutter installation and alignment;

[0020] 7. The high-precision plane of the side edge of the base and the middle square groove have strict parallelism requirements for alignment to ensure that the cutter angle meets the requirements;

[0021] 8. The cutter handle is a rectangular structure of a certain size, which is used in cooperation with the base and the sliding locking block. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a front view of the utility model;

[0023] Figure 2 It is a sectional view of the utility model;

[0024] Figure 3 It is a top view of the utility model;

[0025] Figure 4 is a side view of the utility model;

[0026] Figure 5 is a structure diagram of the sliding locking block;

[0027] Figure 6 is a schematic diagram of the plunge-cut processing of the utility model Figure 1 ;

[0028] Figure 7 is a schematic diagram of the plunge-cut processing of the utility model Figure 2 ;

[0029] Figure 8 is a schematic diagram of the plunge-cut processing of the utility model Figure 3 ;

[0030] Among them, 1, base, 2, first screw, 3, second screw, 4, third screw, 5, fourth screw, 6, upper cover plate, 7, front cover plate, 8, fastening screw, 9, insert cutter, 10, sliding locking block, 11, adjusting screw one, 12, adjusting screw two. DETAILED DESCRIPTION

[0031] The features and illustrative embodiments of various aspects of the present application will be described below in detail. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without some or all of these specific details. The description of the embodiments is merely to provide a better understanding of the present application. The present application is not limited to any particular setting and method presented below, but covers any modifications, replacements and changes of the structure, method and device without departing from the spirit of the present application. In the accompanying drawings and the following description, the well-known structures and techniques are not shown to avoid unnecessary obscuring of the present application.

[0032] It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict, and each embodiment can be mutually referenced and quoted. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0033] The utility model discloses a kind of insert tool clamping devices for numerical control processing, including pedestal 1, the upper end of pedestal 1 is connected with machine tool machining center main shaft, and the cutter is driven to carry out insert cutting movement by main shaft. Rectangular through slot is provided in the inside of pedestal 1, for installing insert tool 9, one end of rectangular through slot is provided with upper cover plate 6, and insert tool 9 is positioned, and upper cover plate 6 is connected with pedestal 1 by first screw 2, second screw 3, third screw 4 and fourth screw 5, the intermediate hole of radial is provided on the pedestal 1, and the intermediate hole is perpendicular and communicated with rectangular through slot, and sliding locking block 10 is slidably arranged in the intermediate hole, and sliding locking block 10 is arranged with rectangular through slot along radial, and the rectangular through slot of sliding locking block 10 is communicated with the rectangular through slot on the pedestal 1, and insert tool 9 passes through the rectangular through slot on the pedestal 1 and sliding locking block 10 simultaneously, and front cover plate 7 is arranged at one end of intermediate hole, and is connected with sliding locking block 10 by fastening screw.

[0034] Sliding locking block 10 and the intermediate hole between pedestal 1 are installed with small clearance fit, and sliding locking block 10 can freely slide in hole, and is tightened by screw 8 to provide lateral compression force for slotting machine.

[0035] When insert tool 9 is loaded into sliding locking block 10, front cover plate 7 and screw 8 are tightened, so that sliding locking block 10 moves towards the side of front cover plate 7, and insert tool is pressed on the inner wall of one side of rectangular slot of pedestal 1 by sliding locking block 10.

[0036] Among them, pedestal 1 is the basis for installing other parts, and is connected with machine tool machining center main shaft by standard part screw.

[0037] The front end surface of pedestal 1 is high-precision plane, and the flatness is 0.01mm, which is used for leveling during installation, two screw holes are arranged on the high-precision plane, the two screw holes are communicated with the rectangular through slot on the pedestal, the two screw holes are located on both sides of the intermediate hole, adjusting screw one 11 and adjusting screw two 12 are respectively installed in the two screw holes and respectively contact the insert tool body on the upper and lower sides of sliding locking block 10. When it is needed to adjust the angle of insert tool forward, slightly tighten adjusting screw 11, and loosen adjusting screw 12, at this time, the insert tool body on the upper side of sliding locking block 10 is stressed, sliding locking block 10 rotates upward, and the angle of lower end of insert tool is slightly adjusted upward; when it is needed to adjust the angle of insert tool backward, slightly tighten adjusting screw 12, and loosen adjusting screw 11, at this time, the insert tool body on the upper side of sliding locking block 10 is stressed, sliding locking block 10 rotates downward, and the angle of insert tool is slightly adjusted downward.

[0038] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered in the protection scope of the present application.

Claims

1. A tool clamping device for CNC machining, characterized in that: It includes a base, the upper end of the base is connected to the main shaft of the machine tool machining center, an axial rectangular through-slot is provided inside the base for installing a bayonet, an upper cover is provided at one end of the rectangular through-slot to position the bayonet, a radial middle hole is provided on the base, the middle hole is perpendicular to and connected to the rectangular through-slot, a sliding locking block is slidably provided in the middle hole, a rectangular through-slot is provided radially on the sliding locking block, the rectangular through-slot of the sliding locking block is connected to the rectangular through-slot on the base, the bayonet passes through the rectangular through-slots on the base and the sliding locking block at the same time, a front cover is provided at one end of the middle hole, and is connected to the sliding locking block by a fastening screw.

2. A slotting tool clamping device for CNC machining according to claim 1, characterized in that: An avoidance hole is provided at the upper end of the base to avoid interference when connected with the main shaft of the machining center.

3. A slotting tool clamping device for CNC machining according to claim 2, characterized in that: An upper cover is provided at one end of the rectangular through slot, and the upper cover is connected to the base via screws.

4. The tool holder clamping device for CNC machining according to claim 1, characterized in that: The rectangular through slot inside the base cooperates with the handle of the plunger to install the plunger.

5. The slotting tool clamping device for CNC machining according to claim 1, characterized in that: The front end surface of the base is a high-precision plane with a flatness of 0.01mm.

6. The slotting tool clamping device for CNC machining according to claim 5, characterized in that: Two screw holes are set on the high-precision plane, and the two screw holes are connected with the rectangular through slot on the base. The two screw holes are located on both sides of the middle hole. Adjustment screw 1 and adjustment screw 2 are respectively installed in the two screw holes and respectively contact the inserting knife body on the upper and lower sides of the sliding locking block.

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