Flat-bulb steel sharpening machine

Abstract

The utility model belongs to the field of sharpening machines, and relates to a flat-bulb steel sharpening machine. And high-precision and high-efficiency grinding can be carried out on the flat-bulb steel, and the current generation requirement is met. According to the technical scheme, the device comprises a main machine frame, a movable machine frame, a sharpening machine and a sharpening machine frame. The main machine frame is fixed relative to the ground, the main machine frame comprises a track, and the track is horizontally arranged in the first direction. The movable rack is movably arranged on the track, the movable rack has the trend of reciprocating operation in the first direction, a sharpening machine and a sharpening rack are arranged on the movable rack, and the sharpening machine and the sharpening rack are driven to operate in the second direction and the vertical direction. The sharpening machine frame is fixed to the movable machine frame, and a sharpening head of the sharpening machine is arranged on the sharpening machine frame and is finely adjusted in the vertical direction along a rail of the sharpening machine frame.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of grinding machine, relates to a ball flat steel grinding machine. BACKGROUND

[0002] Ball flat steel is a kind of special-shaped steel, which is composed of flat web and spherical head, and is asymmetric steel.To ensure the product quality of ball flat steel put into production, surface defects of ball flat steel can be eliminated by grinding.

[0003] At present, manual grinding wheel is used for grinding in factory, and the working environment is poor, and the production efficiency is low, and too many personnel can increase the possibility of worker injury, for example, the accident caused by grinding wheel fracture or hand off.

[0004] There are some grinding machines for steel plates on the market, but most of the grinding machines adopt the mode of moving plate, and the grinding pressure of the grinding head of the grinding machine is unstable, which leads to unstable grinding amount of plate.

[0005] It is considered through research that ball flat steel is large in quality, and the mode of moving plate has the problem of low control precision, in addition, the unstable grinding pressure of the grinding head also causes that the grinding quality cannot meet the quality requirement of current product. CONTENT OF UTILITY MODEL

[0006] To overcome the defects in the above related technologies, the utility model provides a ball flat steel grinding machine, which can grind ball flat steel with high precision and high efficiency, and meet the current production requirement.

[0007] In order to realize the above technical purposes, the utility model provides a kind of ball flat steel grinding machine.The ball flat steel grinding machine includes: mainframe, mobile rack, grinding machine and grinding machine frame.The mainframe is fixedly arranged with ground, the mainframe includes track, the track is horizontal and is arranged along first direction.The mobile rack is movably arranged on the track, the mobile rack includes: grinding mainframe, transverse moving rack and lifting frame, the grinding mainframe is movably arranged on the track, the transverse moving rack is movably arranged on the grinding mainframe, the transverse moving rack reciprocatingly operates with second direction, the second direction is horizontal and is perpendicular to the first direction, the lifting frame is movably arranged on the transverse moving rack, and the lifting frame reciprocatingly operates with vertical direction.The grinding machine is fixed on the lifting frame, and the grinding machine includes motor and grinding head, the motor is fixed on the lifting frame, and the motor output shaft and the grinding head are driven by belt.The grinding machine frame includes cylinder and grinding head frame, the grinding head frame is fixed on the lifting frame, at least arc track is arranged on the grinding head frame, the center of the arc track is collinear with the motor output shaft center line, the grinding head is movably arranged on the arc track, one end of the cylinder is hinged to the lifting frame, and the other end of the cylinder is hinged to the grinding head frame.

[0008] Preferably, the mainframe further includes a fixed gantry, the fixed gantry is fixed below the track, the upper end surface of the fixed gantry is horizontal, and a baffle is arranged on one side of the fixed gantry, the baffle is perpendicular to the upper end surface of the fixed gantry.

[0009] Preferably, the mobile rack further includes a drive module, the drive module includes: drive motor, roller, the drive motor is fixed on the grinding machine frame, the roller is arranged on the grinding machine frame, and each mobile rack includes at least four rollers, the at least four rollers are correspondingly arranged on the track.

[0010] Preferably, the transverse moving rack includes: transverse moving mainframe, transverse moving platform and stepping motor.The transverse moving mainframe is fixed on the grinding mainframe.The transverse moving platform is movably arranged on the transverse moving mainframe, and a rack is fixed on the transverse moving platform.The stepping motor is fixed on the transverse moving mainframe, a gear is coaxially fixed on the output shaft of the stepping motor, and the gear is engaged with the rack.

[0011] Preferably, the lifting frame comprises a lifting main frame, a screw nut mechanism, a servo motor and a lifting platform. The lifting main frame is fixed on the transverse moving platform. The screw rod of the screw nut mechanism is vertically arranged on the lifting main frame. The servo motor is fixed on the lifting main frame, and the output shaft of the servo motor is coaxially fixedly connected with the screw rod. The lifting platform is movably arranged on the lifting main frame, and the lifting platform is fixedly connected with the screw nut mechanism.

[0012] Preferably, the fixed platform comprises a magnetic material. The main frame further comprises an electromagnet, and the magnetic core of the electromagnet is in abutment with the fixed platform.

[0013] The beneficial effects of the present application are as follows:

[0014] The present application adopts a movable frame, can be quickly adjusted in three-dimensional directions, and can realize precision control in three different directions according to actual conditions, reduce costs and meet the generation demand.

[0015] The present application adopts a grinding frame, which can ensure the grinding pressure of the grinding head on the ball flat steel under the condition that the ball flat steel may have an arc, a depression or a protrusion, and ensure the grinding quality. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or related technologies, the following will briefly introduce the drawings needed to be used in the embodiment or related technology description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0017] Fig. 1 is a structural diagram of the present application;

[0018] Fig. 2 is a side view of the present application;

[0019] Fig. 3 is a structural diagram of the transverse moving frame of the present application. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the present application more obvious, clear and easy to understand, the technical solutions in the embodiments of the present application will be described in detail below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0021] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0022] The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0023] As shown in Figs. 1 to 3 Some embodiments of the utility model provide a ball flat steel grinding machine. The ball flat steel grinding machine comprises a main frame 1, a moving frame 2, a grinding machine 3 and a grinding frame 4. Wherein, the main frame 1 is relatively fixed with the ground, the main frame 1 comprises a track 11, the track 11 is horizontal and is arranged along the first direction X. The moving frame 2 is movably arranged on the track 11, the moving frame 2 comprises a grinding main frame 21, a horizontal moving frame 22 and a lifting frame 23, the grinding main frame 21 is movably arranged on the track 11, the horizontal moving frame 22 is movably arranged on the grinding main frame 21, the horizontal moving frame 22 reciprocates in the second direction Y, the second direction Y is horizontal and perpendicular to the first direction X, the lifting frame 23 is movably arranged on the horizontal moving frame 22, and the lifting frame 23 reciprocates in the vertical direction. The grinding machine 3 is fixed on the lifting frame 23, the grinding machine 3 comprises a motor 31 and a grinding head 32, the motor 31 is fixed on the lifting frame 23, and the output shaft of the motor 31 is connected with the grinding head 32 through a belt drive. The grinding frame 4 comprises a cylinder 41 and a grinding head frame 42, the grinding head frame 42 is fixed on the lifting frame 23, at least an arc-shaped rail is arranged on the grinding head frame 42, the center of the arc-shaped rail is collinear with the center line of the output shaft of the motor 31, the grinding head 32 is movably arranged on the arc-shaped rail, one end of the cylinder 41 is hinged with the lifting frame 23, and the other end of the cylinder 41 is hinged with the grinding head frame 42.

[0024] In some examples, the main frame 1 can be a steel frame structure, the track 11 is horizontally arranged on the main frame 1, and the track 11 can be two rails. The two rails are fixedly arranged along the first direction X, and the ball flat steel to be ground is arranged below the track 11 of the main frame 1.

[0025] The moving frame 2 is movably arranged on two rails, that is, the moving frame 2 can reciprocate along a first direction X. A transverse frame 22 is further arranged on the moving frame 2, the transverse frame 22 can reciprocate along a second direction Y, a lifting frame 23 is arranged on the transverse frame 22, and a grinding machine 3 is arranged on the lifting frame 23. Thus, the grinding machine 3 can move in three-dimensional directions.

[0026] Generally, the grinding of the ball flat steel is performed on the tail along the extending direction of the ball head, that is, the extending direction of the ball head of the ball flat steel is parallel to the first direction X. According to the position and specification of the ball flat steel, the position of the grinding machine 3 in the second direction Y and the vertical direction can be adjusted, so that the grinding head 32 of the grinding machine 3 can effectively work on the ball flat steel. During the working, the grinding machine 3 can feed along the first direction X.

[0027] In the utility model, the running distance of the grinding machine 3 in the second direction Y can be 300-600mm, for example, the running distance of the grinding machine 3 in the second direction Y is 300mm, 450mm or 600mm. The running distance of the grinding machine 3 in the vertical direction can be 100-300mm, for example, the running distance of the grinding machine 3 in the second direction Y is 100mm, 200mm or 300mm.

[0028] In addition, in order to ensure that the grinding head 32 has stable downward pressure on the surface of the ball flat steel, the utility model adopts a cylinder 41 to control the downward pressure of the grinding head 32, and ensures the grinding quality. The grinding head frame 42 can be a plate or a block structure fixed to the lifting frame 23, an arc-shaped through slot is arranged on the grinding head frame 42, that is, an arc-shaped rail, and the central shaft of the grinding head 32 penetrates through the arc-shaped through slot. It can be understood that, in order to avoid friction between the central shaft and the grinding head frame 42, a bearing can be arranged on the central shaft, a groove corresponding to the arc-shaped through slot is arranged on the outer side wall of the outer ring of the bearing, and the edge of the arc-shaped through slot can be movably arranged in the groove of the bearing, so as to realize the purpose of reciprocating along the arc-shaped through slot at high speed.

[0029] The tail of the cylinder body of the cylinder 41 is hinged to the lifting frame 23, and the end of the piston rod of the cylinder 41 is connected to the central shaft of the grinding head 32 through a bearing. A grinding wheel is fixed to the grinding head 32. In the grinding process, the downward pressure of the cylinder 41 is constant. When the ball flat steel has an arc or the like, the grinding head 32 can be pressed down or lifted up, and the grinding of the ball flat steel is stable. In addition, the center point of the arc-shaped rail is collinear with the center line of the output shaft of the grinding machine 3, that is, the grinding head 32 can rotate around the output shaft of the grinding machine 3 when it is pressed down or lifted up, so as to ensure that the transmission belt between the grinding head 32 and the grinding machine 3 is tensioned and stable, and the grinding is normal.

[0030] In some embodiments, the main frame 1 further comprises a fixed frame, the fixed frame is fixed below the track 11, the upper end surface of the fixed frame is horizontal, and a baffle is arranged on one side of the fixed frame, the baffle is perpendicular to the upper end surface of the fixed frame.

[0031] Exemplarily, the fixed frame can be a steel plate, a baffle is fixed on one side of the fixed frame, and the baffle can be integrally formed with the fixed frame. The baffle is used to be attached to one side of the flat steel, which is convenient for workers to place.

[0032] In some embodiments, the moving frame 2 further comprises a driving module, the driving module comprises a driving motor 31 and a plurality of rollers, the driving motor 31 is fixed on the grinding frame, and the plurality of rollers are arranged on the grinding frame, and each moving frame 2 comprises at least four rollers arranged correspondingly on the track 11.

[0033] In some examples, the roller is a single roller, which is adapted to the rail. The output shaft of the driving motor 31 is connected with the roller, so as to realize the reciprocating movement of the moving frame 2 along the first direction X. The moving frame 2 moves on the track 11, which has the advantages of high speed and relatively high precision, and can meet the grinding requirements from one end to the other end of the flat steel while ensuring the processing speed.

[0034] In some embodiments, the transverse moving frame 22 comprises a transverse moving main frame 221, a transverse moving platform 222 and a stepping motor 223. The transverse moving main frame 221 is fixed on the grinding main frame 21. The transverse moving platform 222 is movably arranged on the transverse moving main frame 221, and a rack 224 is fixed on the transverse moving platform 222. The stepping motor 223 is fixed on the transverse moving main frame 221, and a gear coaxially fixed on the output shaft of the stepping motor 223 is engaged with the rack 224.

[0035] In some examples, the transverse moving frame can be a frame structure, which is fixed on the grinding main frame 21. Two slide rails, for example, dovetail groove slide rails, can be arranged on the transverse moving frame. The transverse moving platform 222 can be a plate, and one side of the transverse moving platform 222 is arranged in the sliding groove of the dovetail groove slide rail. The rack 224 is fixed on the transverse moving platform 222 between the two sliding grooves. The stepping motor 223 is fixed on the transverse moving frame below the transverse moving platform 222, and the gear coaxially fixed on the output shaft of the stepping motor 223 is engaged with the rack 224. The transverse moving platform 222 can be driven to move along the second direction Y by the stepping motor 223. It can be understood that the gear and rack 224 structure and the stepping motor 223 drive can further improve the running precision of the transverse moving platform 222 in the second direction Y, that is, the position precision of the grinding machine 3 perpendicular to the extension direction of the flat steel is relatively high, which can meet the grinding precision requirements of the flat steel.

[0036] In some embodiments, the lifting frame 23 comprises a lifting main frame 231, a screw-nut mechanism 232, a servo motor and a lifting platform 233. The lifting main frame 231 is fixed on the transverse moving platform 222. The screw rod of the screw-nut mechanism 232 is vertically arranged on the lifting main frame 231. The servo motor is fixed on the lifting main frame 231, and the output shaft of the servo motor is coaxially fixedly connected with the screw rod. The lifting platform 233 is movably arranged on the lifting main frame 231, and the lifting platform 233 is fixedly connected with the screw-nut mechanism 232.

[0037] In some examples, the lifting main frame 231 can be a frame structure arranged in the vertical direction, two dovetail groove slide rails are vertically arranged on the lifting main frame 231, and the lifting platform 233 can be a vertically welded structure of two plates, one of which is matched with the two dovetail groove slide rails on the lifting main frame 231 and is fixedly connected with the nut of the screw-nut mechanism 232. The servo motor drives the screw rod to rotate, thereby driving the lifting platform 233 to run in the vertical direction.

[0038] The grinding machine 3 is fixed on the lifting platform 233, and the driving mechanism can drive the moving frame 2 to run in the first direction X, that is, drive the grinding machine 3 to run in the first direction X. When the grinding machine 3 runs in the first direction X, the extension direction of the bulb flat steel is ground, and the running accuracy in the first direction X is not high.

[0039] The transverse moving frame 22 drives the grinding machine 3 to run in the second direction Y, and before the grinding machine 3 works, the position of the grinding machine 3 relative to the bulb flat steel is adjusted by the transverse moving frame 22. The grinding position accuracy of the bulb flat steel in the second direction Y is relatively high.

[0040] The lifting frame 23 drives the grinding machine 3 to run in the vertical direction, which is also the control of the grinding amount of the bulb flat steel, and the accuracy requirement is the highest.

[0041] In some embodiments, the fixed platform comprises a magnetic material. The main frame 1 further comprises an electromagnet, and the magnetic core of the electromagnet is in abutment with the fixed platform.

[0042] In the description of this specification, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0043] The above is only a specific implementation manner 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 changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A ball flat steel grinding machine characterized by, The application relates to a grinding machine, which comprises the following parts: a main frame fixed relative to the ground, wherein the main frame comprises a track arranged horizontally and in a first direction; a moving frame movably arranged on the track, wherein the moving frame comprises a grinding main frame, a horizontal moving frame and a lifting frame, the grinding main frame is movably arranged on the track, the horizontal moving frame is movably arranged on the grinding main frame and reciprocally moves in a second direction, the second direction is horizontal and perpendicular to the first direction, and the lifting frame is movably arranged on the horizontal moving frame and reciprocally moves in a vertical direction; a grinding machine fixed on the lifting frame, wherein the grinding machine comprises a motor and a grinding head, the motor is fixed on the lifting frame, and the motor output shaft and the grinding head are connected through a belt drive; a grinding machine frame, which comprises a cylinder and a grinding head frame, the grinding head frame is fixed on the lifting frame, at least an arc-shaped track is arranged on the grinding head frame, the center of the arc-shaped track is collinear with the center line of the motor output shaft, the grinding head is movably arranged on the arc-shaped track, one end of the cylinder is hinged to the lifting frame, and the other end of the cylinder is hinged to the grinding head frame.

2. The ball flat steel grinding machine according to claim 1, characterized by, The main frame further comprises a fixed platform, the fixed platform is fixed below the track, the upper end surface of the fixed platform is horizontal, and a baffle is arranged on one side of the fixed platform and is perpendicular to the upper end surface of the fixed platform.

3. The ball flat steel grinding machine according to claim 2, characterized by, The moving frame further comprises a driving module, the driving module comprises a driving motor and a roller, the driving motor is fixed on the grinding machine frame, the roller is arranged on the grinding machine frame, and each moving frame comprises at least four rollers arranged correspondingly on the track.

4. The ball flat steel grinding machine according to claim 3, characterized in that, The horizontal moving frame comprises: a horizontal moving main frame fixed on the grinding main frame; a horizontal moving platform movably arranged on the horizontal moving main frame, wherein a rack is fixed on the horizontal moving platform; a stepping motor fixed on the horizontal moving main frame, wherein a gear coaxially fixed on the output shaft of the stepping motor is engaged with the rack.

5. The ball flat steel grinding machine according to claim 4, characterized in that, The lifting frame comprises: a lifting main frame fixed on the horizontal moving platform; a screw-nut mechanism, wherein the screw rod of the screw-nut mechanism is arranged vertically on the lifting main frame; a servo motor fixed on the lifting main frame, wherein the output shaft of the servo motor is coaxially fixedly connected with the screw rod; a lifting platform movably arranged on the lifting main frame and fixedly connected with the screw-nut mechanism.

6. The ball flat steel grinding machine according to claim 5, characterized by The fixed platform comprises a magnetic material; and the main frame further comprises an electromagnet, wherein the magnetic core of the electromagnet is in abutment with the fixed platform.

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