Square grinding machine tool for screw taps

Abstract

The utility model relates to screw tap machining equipment, in particular to a screw tap square grinding machine tool, and solves the problem of trimming feed of the screw tap square grinding machine tool. Comprising a machine frame, a cutter feeding motor, a grinding wheel seat, a clamp seat for clamping a workpiece and an ejector pin seat for positioning the workpiece, the cutter feeding motor, the grinding wheel seat, the clamp seat for clamping the workpiece and the ejector pin seat are arranged on the machine frame, the clamp seat and the ejector pin seat are oppositely arranged at intervals, a finishing seat is further arranged on the machine frame, connecting lines of the ejector pin seat, the finishing seat and the grinding wheel seat are arranged vertically, and a cutter feeding table is arranged on the side wall of the clamp seat. An eccentric wheel is arranged at one end of an output shaft of the cutter feeding motor, the cutter feeding table and the clamp base are rotationally supported and lifted through the eccentric wheel, the trimming device and the cutter feeding table are innovatively designed, the machining quality of each time is improved by adding a trimming link, the progress of the cutter feeding table and a workpiece is driven through eccentric rotation, and therefore production and machining are efficiently controlled.

Description

Technical Field

[0001] The utility model relates to a tap processing device, in particular to a tap square grinding machine tool. Background Art

[0002] When processing taps, the tail of the tap needs to be squared and the grinding wheel needs to be polished. Traditional equipment uses an additional diamond body to assist in trimming the grinding wheel after each production, which is relatively arbitrary and ineffective. The processing of the grinding wheel and the workpiece is fed through the fixture seat, but the overall mobile design structure is relatively complex. The traditional method is to lift the fixture seat through the motor with the support of the bearing and the bearing seat, so that it has a certain slight inclination angle, so as to achieve the goal of feeding processing. However, the service life of the bearings in the traditional method is relatively limited, and generally needs to be inspected and replaced every one or two months. Utility Model Content

[0003] Aiming at the deficiencies of the existing technology, the utility model provides a tap square grinding machine tool.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a tap square grinding machine tool, including a frame and a feed motor, a grinding wheel seat, a fixture seat for clamping a workpiece and a pin seat for positioning the workpiece arranged on the frame, the fixture seat and the pin seat being relatively spaced apart, and a dressing seat being also provided on the frame, the connecting lines of the pin seat, the dressing seat and the grinding wheel seat being arranged vertically, a feed table being provided on the side wall of the fixture seat, the feed motor being provided with an eccentric wheel on one end of the output shaft, the feed table and the fixture seat being supported and lifted by the eccentric wheel for rotation, and a fixedly mounted dressing wheel being provided on the dressing seat.

[0005] The tool feed table has a connecting portion and a contact portion which are integrally connected, the connecting portion and the contact portion are perpendicular to each other, the connecting portion is fixedly assembled with the fixture seat, and the tool feed table is supported and lifted by the contact portion contacting with the eccentric wheel.

[0006] The connecting part is a T-shaped structure, and one end of the connecting part is fixed to the clamp seat by a threaded connection.

[0007] The connecting portion is provided with a rib at a right angle on one side, and the rib is arranged on a side of the connecting portion facing away from the contact portion.

[0008] A positioning groove is provided on the bottom surface of the contact portion, and the positioning groove is in a dovetail groove shape.

[0009] A narrow-mouth groove is arranged at the bottom of the positioning groove, and an elastic hole is also arranged at the narrow-mouth groove, and the elastic hole is communicated with the narrow-mouth groove.

[0010] The contact portion is also provided with an adjustment hole, the positioning groove passes through the contact portion, the axial direction of the adjustment hole is perpendicular to the direction in which the positioning groove passes through, and the axis between the adjustment hole and the elastic hole is perpendicular.

[0011] Beneficial effects of the utility model: the tap square grinding machine provided by the utility model has innovatively designed dressing devices and feed tables, which improve the processing quality each time by adding a dressing link, and also drive the feed table and the workpiece through eccentric rotation, thereby efficiently controlling production and processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a partial enlarged structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0014] like Figure 1-Figure 2 As shown, a tap square grinding machine tool includes a frame 1 and a feed motor 2, a grinding wheel seat 3, a fixture seat 4 for clamping a workpiece and an ejector seat 5 for positioning the workpiece arranged on the frame 1. The fixture seat 4 and the ejector seat 5 are arranged relatively spaced apart. A dressing seat 6 is also provided on the frame 1. The ejector seat 5, the dressing seat 6 and the grinding wheel seat 3 are arranged vertically. The dressing seat 6 is equivalent to being installed behind the ejector seat 5. The dressing is started before each grinding process on the workpiece. This layout is conducive to sequential processing and driving of various components, reducing complex or redundant steps.

[0015] A feed table 7 is provided on the side wall of the fixture seat 4, an eccentric wheel 8 is provided on one end of the output shaft of the feed motor 2, the feed table 7 and the fixture seat 4 are supported and lifted by the eccentric wheel 8, and a fixedly mounted dressing wheel 9 is provided on the dressing seat 6. The design of the eccentric wheel 8 allows the eccentric wheel 8 to have an undulating support and lowering stage, further driving the feed table 7 and the fixture seat 4 to tilt and lift, so as to approach the grinding wheel for processing.

[0016] The feed table 7 has an integrally connected connection portion 10 and a contact portion 11, the connection portion 10 and the contact portion 11 are perpendicular to each other, the connection portion 10 is fixedly assembled with the fixture seat 4, and the feed table 7 is supported and lifted by the contact portion 11 and the eccentric wheel 8. The contact portion 11 is an arc-shaped structure, the connection portion 10 mainly plays a connecting role, and the contact portion 11 plays a steering and abutting supporting role.

[0017] The connecting portion 10 is a T-shaped structure, and one end of the connecting portion 10 is fixed to the clamp seat 4 by a threaded connection. The shape of the connecting portion 10 is conducive to the multi-point fastening structure of the threaded connection, which enhances the structural strength and is also convenient for operation. The connecting portion 10 is provided with a rib plate 12 at a right angle on one side, and the rib plate 12 is arranged on the side of the connecting portion 10 facing away from the contact portion 11. The rib plate 12 further enhances the structural stability and also corresponds to the force when the support is lifted.

[0018] The bottom surface of the contact portion 11 is provided with a positioning groove 13, and the positioning groove 13 is in the shape of a dovetail groove, which limits the contact stability. Generally speaking, the rotation of the eccentric wheel 8 is not 360 degrees, and it only needs to be able to reciprocate to achieve the support and lowering effect. No further explanation and limitation will be given here.

[0019] The bottom of the positioning groove 13 is provided with a narrow groove 14, and the narrow groove 14 is also provided with an elastic hole 15, and the elastic hole 15 is communicated with the narrow groove 14. The narrow groove 14 and the elastic hole 15 are designed to make the contact part 11 have a certain elasticity at the relative corner, and the relatively soft contact can avoid the damage caused by excessive rigid contact lifting.

[0020] The contact portion 11 is also provided with an adjustment hole 16, the positioning groove 13 passes through the contact portion 11, the axial direction of the adjustment hole 16 is perpendicular to the direction in which the positioning groove 13 passes through, and the axis between the adjustment hole 16 and the elastic hole 15 is perpendicular. A threaded fastener is provided at the adjustment hole 16, and the contact portion 11 is slightly adjusted by the thread, so that the narrow groove 14 and the positioning groove 13 have certain changes, such as being relatively narrowed and raised, which is suitable for fine adjustment.

[0021] In the description of the present invention, it should be noted that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention. At the same time, the basic principles, main features and advantages of the present invention are shown and described above, which should be understood by technicians in this industry.

Claims

1. A tap grinding machine tool, comprising a frame and a feed motor, a grinding wheel seat, a fixture seat for clamping a workpiece and an ejector seat for positioning the workpiece arranged on the frame, wherein the fixture seat and the ejector seat are arranged with a relative spacing, and characterized in that: The frame is also provided with a dressing seat, and the connecting lines of the thimble seat, the dressing seat and the grinding wheel seat are arranged vertically. A feed platform is provided on the side wall of the fixture seat, and an eccentric wheel is provided on one end of the output shaft of the feed motor. The feed platform and the fixture seat are supported and lifted by the eccentric wheel for rotation, and a fixedly installed dressing wheel is provided on the dressing seat.

2. A tap square grinding machine as claimed in claim 1, characterized in that: The tool feed table has a connecting portion and a contact portion which are integrally connected, the connecting portion and the contact portion are perpendicular to each other, the connecting portion is fixedly assembled with the fixture seat, and the tool feed table is supported and lifted by the contact portion contacting with the eccentric wheel.

3. A tap square grinding machine as claimed in claim 2, characterized in that: The connecting part is a T-shaped structure, and one end of the connecting part is fixed to the clamp seat by a threaded connection.

4. A tap square grinding machine as claimed in claim 3, characterized in that: The connecting portion is provided with a rib at a right angle on one side, and the rib is arranged on a side of the connecting portion facing away from the contact portion.

5. A tap square grinding machine as claimed in claim 4, characterized in that: A positioning groove is provided on the bottom surface of the contact portion, and the positioning groove is in a dovetail groove shape.

6. A tap square grinding machine as claimed in claim 5, characterized in that: A narrow-mouth groove is arranged at the bottom of the positioning groove, and an elastic hole is also arranged at the narrow-mouth groove, and the elastic hole is communicated with the narrow-mouth groove.

7. A tap square grinding machine as claimed in claim 6, characterized in that: The contact portion is also provided with an adjustment hole, the positioning groove passes through the contact portion, the axial direction of the adjustment hole is perpendicular to the direction in which the positioning groove passes through, and the axis between the adjustment hole and the elastic hole is perpendicular.

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