Polishing device for polishing broaching groove in shipbuilding

Abstract

The utility model discloses a polishing device for polishing a broaching groove in shipbuilding, and solves the problems that an electric polishing tool adopts a single motor to drive a single polishing wheel, so that the polishing operation efficiency is low, and the polishing requirements of different paint surface thicknesses are difficult to meet. The device comprises a plurality of downward pressing motors, output shafts of the downward pressing motors are respectively connected with a downward pressing transmission assembly, and the downward pressing transmission assemblies are connected with a polishing box body through polishing box body connecting pieces. A grinding wheel shaft is connected into each grinding box through a bearing, a grinding wheel is connected to each grinding wheel shaft, and a transition flexible shaft is connected between every two adjacent grinding wheel shafts; a grinding motor is fixedly connected to the grinding box body at one end, an output shaft of the grinding motor is connected with a gear assembly, a grinding wheel shaft in the grinding box body is sleeved with a conical transmission gear, and the conical transmission gear is meshed with the gear assembly. And according to the polishing requirements of different paint surface thicknesses, the downward pressing distance is adjusted, the polishing operation efficiency is improved, different polishing effects are generated, and the polishing operation requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of electric polishing device, specifically to a kind of polishing device for shipbuilding polishing beveling. BACKGROUND

[0002] In the shipbuilding process, the ship body beveling is painted and then polished, the ship body beveling surface is generally sprayed with 4 layers of paint coating, and the paint coating needs to be polished into a stepped shape, showing each layer of paint, and the width of each layer of paint is generally 80mm.

[0003] Currently, manual polishing is mainly used, and the electric polishing tool used in the polishing process is mainly driven by a single motor to drive a single polishing wheel, and the motor drives the polishing device to press down to complete the surface polishing work, which may cause the following problems:

[0004] 1) In the application of existing technology in shipbuilding beveling operation, the paint surface coating polishing operation of beveling needs to be completed in multiple times, and the polishing operation efficiency is low.

[0005] 2) For the polishing requirements of different thicknesses of 4 layers of paint surface of beveling, the polishing width size precision is not easy to control, and over-polishing or under-polishing may occur. INVENTION CONTENTS

[0006] The utility model aims at solving the technical problems that manual polishing is used by a single motor to drive a single polishing wheel when polishing the paint surface of shipbuilding beveling, which leads to low polishing operation efficiency and difficulty in meeting the polishing requirements of different paint surface thicknesses, and provides a kind of polishing device for shipbuilding polishing beveling.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0008] A kind of polishing device for shipbuilding polishing beveling, which is characterized by comprising multiple down-pressing motors, multiple down-pressing transmission assemblies connected to the output shafts of the multiple down-pressing motors, and multiple polishing boxes connected to the down-pressing transmission assemblies through polishing box body connectors; The multiple polishing boxes are arranged side by side; The rotation of the down-pressing motor can drive the down-pressing transmission assembly to move downward / upward, and can also drive the polishing box to move downward / upward; The polishing device of the utility model uses multiple down-pressing motors, which can drive the corresponding polishing boxes to move downward respectively.

[0009] Each polishing box is connected with a polishing wheel shaft arranged along the arrangement direction of the multiple polishing boxes through a bearing, and the polishing wheel shafts of adjacent two polishing boxes are connected through a transition flexible shaft; The polishing wheel shaft is connected with a polishing wheel for polishing the paint surface of the ship body beveling.

[0010] One of the polishing box body is fixedly connected with polishing motor on the end, the output shaft of polishing motor is connected with gear assembly, the polishing wheel shaft in the polishing box body is sleeved with conical transmission gear, the conical transmission gear is engaged with the gear assembly; the vertical position of the polishing box body is fixed, the polishing motor is controlled, the gear assembly is driven, the conical transmission gear and the plurality of polishing wheel shafts are driven to rotate, and then the plurality of polishing wheels are driven to rotate, the surface of the ship body is polished through the friction between the polishing wheel and the ship body, the polishing device of the utility model adopts one polishing motor to drive a plurality of polishing wheels to polish, the transition flexible shaft can compensate the change difference caused by different step-down synchronization and different step-down force, realizes single motor driving two or more polishing wheels, and realizes the polishing operation demand of different polishing effects.

[0011] Further, each of the down pressure transmission assemblies comprises a ball screw, the ball screw is connected to the output shaft of the corresponding down pressure motor through a screw connecting piece, a connecting screw nut is sleeved on the ball screw, a nut connecting piece is fixedly connected to the screw nut, a limiting hole is formed in the middle of the nut connecting piece, a guide shaft parallel to the ball screw is arranged in the limiting hole of the nut connecting piece, the bottom of the guide shaft is fixedly connected to the polishing box connecting piece, and the nut connecting piece and the polishing box connecting piece are connected through an elastic adjusting assembly; when the output shaft of the down pressure motor rotates, the ball screw is driven to rotate, since the vertical position of the ball screw is fixed and the radial rotation of the screw nut is limited through the nut connecting piece and the guide shaft, the output shaft of the down pressure motor drives the screw nut to move upward / downward, and the polishing box connecting piece and the screw nut are connected through the elastic adjusting assembly, so that the polishing box connecting piece and the polishing box slowly move upward / downward after the screw nut moves upward / downward.

[0012] Further, the elastic adjusting assembly is a compression spring, the compression spring is sleeved outside the guide shaft, one end of the compression spring is connected to the nut connecting piece, and the other end of the compression spring is connected to the polishing box connecting piece; the polishing box connecting piece is driven by the compression spring to slowly move with the screw nut, so that the buffer adjustment of movement change is achieved, and the problem of over-polishing caused by instantaneous movement of the down pressure motor is prevented.

[0013] Further, the elastic adjusting assembly comprises a pressure sensor, a compression spring and a receiving plate, the compression spring is sleeved outside the guide shaft, one end of the compression spring is connected to the polishing box connecting piece, and the other end of the compression spring is connected to the receiving plate, the pressure sensor is connected between the receiving plate and the nut connecting piece, the pressure between the receiving plate and the nut connecting piece is measured through the pressure sensor, and the down movement distance range of the down pressure motor is adjusted according to the pressure.

[0014] Further, the gear assembly comprises a shaft coupling, a driving shaft and a conical rotating gear, the driving shaft is connected with the output shaft of the grinding motor through the shaft coupling, the conical rotating gear is fixedly connected at the bottom of the driving shaft, and the conical rotating gear is engaged with the conical transmission gear.

[0015] Further, a gear box is further included, an outer wall of the gear box is fixedly connected on the grinding box body, the gear assembly and the conical transmission gear are arranged in the gear box, the output shaft of the grinding motor extends into the gear box and is connected with the gear assembly, and the grinding wheel shaft extends into the gear box and is sleeved with the conical transmission gear.

[0016] Further, the transition flexible shaft is one of a flexible coupling, a universal coupling, a spring coupling, a rubber coupling, a flexible coupling and a steel wire flexible shaft.

[0017] Further, a flat key groove is formed in the grinding wheel shaft, and the flat key of the grinding wheel is connected to the middle part of the grinding wheel and is connected in the flat key groove of the grinding wheel shaft in a matched mode.

[0018] Further, the plurality of down-pressing motors are connected to one mounting fixed plate through motor connecting pieces, and the grinding device is fixed through the mounting fixed plate, and manual holding is not needed.

[0019] The grinding device for shipbuilding polishing and pulling a bevel has the advantages that:

[0020] 1. The grinding device for shipbuilding polishing and pulling a bevel adopts a plurality of down-pressing motors, and the down-pressing distance is adjusted according to different polishing requirements of different paint thicknesses, so that the polishing operation efficiency is improved.

[0021] 2. The grinding device for shipbuilding polishing and pulling a bevel adopts one grinding motor to drive a plurality of grinding wheels, and a transition flexible shaft is arranged between the grinding wheels to connect the grinding wheel shafts, the transition flexible shaft can compensate the change difference caused by different down-pressing speeds and different down-pressing forces, one motor drives two or more grinding wheels, different polishing effects are generated, and the polishing operation requirements are met.

[0022] 3. The grinding device for shipbuilding polishing and pulling a bevel is provided with a pressure sensor between the nut connecting piece and the corresponding supporting plate, different pressures can be set, the plurality of down-pressing motors drive the grinding wheels to synchronously down-press, the down-pressing is stopped after the pressure feedback reaches the set value, and the polishing operation of different polishing effects is completed, the quality consistency of the ship paint surface pulling bevel operation is improved, the polishing precision is improved, and the over-polishing or under-polishing phenomenon is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a perspective structure schematic view of a polishing device for shipbuilding polishing and pulling a bevel groove according to an embodiment of the present application.

[0024] Figure 2 It is a front view of a polishing device for shipbuilding polishing and pulling a bevel groove according to an embodiment of the present application.

[0025] Figure 3 It is Figure 2 a sectional view in B-B direction.

[0026] Figure 4 It is a top view of a polishing device for shipbuilding polishing and pulling a bevel groove according to an embodiment of the present application.

[0027] Figure 5 It is Figure 2 a right view.

[0028] Figure 6 It is Figure 5 a sectional view in A-A direction.

[0029] In the figure, 1 is a downward pressing motor, 2 is a mounting fixing plate, 3 is a polishing wheel, 4 is a screw rod connecting piece, 5 is a polishing wheel shaft, 6 is a motor connecting piece, 7 is a transition flexible shaft, 8 is a polishing motor, 9 is a gear assembly, 10 is a ball screw rod, 11 is a screw rod nut, 12 is a pressure sensor, 13 is a nut connecting piece, 14 is a compression spring, 15 is a guide shaft, 16 is a polishing box connecting piece, 17 is a polishing box, and 18 is a bearing plate. DETAILED DESCRIPTION

[0030] The technical solutions of the present application will be described clearly and completely in combination with the drawings and embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0031] A polishing device for shipbuilding polishing and pulling a bevel groove according to an embodiment of the present application is provided in the present embodiment. Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, including two down pressure motor 1, two down pressure motor 1 output shaft through the screw connection piece 4 connecting ball screw 10, ball screw 10 on the cooperation and connection screw nut 11, screw nut 11 fixed connection nut connecting piece 13, nut connecting piece 13 middle part set limit hole, nut connecting piece 13 limit hole is provided with guide shaft 15, guide shaft 15 bottom fixed connection grinding box connecting piece 16, each grinding box connecting piece 16 connects a grinding box 17, nut connecting piece 13 and grinding box connecting piece 16 are also connected pressure sensor 12, receiving plate 18, compression spring 14, compression spring 14 sleeve in guide shaft 15 outside, one end connecting grinding box connecting piece 16, the other end connecting receiving plate 18, between receiving plate 18 and nut connecting piece 13 set pressure sensor 12.

[0032] Two down pressure motor 1 is respectively connected with one mounting fixed plate 2, when need to polish, install mounting fixed plate 2 on the fixed support, move the fixed support to the ship body pull break position which need to be polished, respectively control the output shaft rotation of two down pressure motor 1, drive ball screw 10 to rotate, because the vertical position of ball screw 10 along its length is fixed, and the radial rotation of screw nut 11 is limited through nut connecting piece 13, guide shaft 15, so the output shaft rotation of down pressure motor 1 drives screw nut 11 to move downward, because grinding box connecting piece 16 and screw nut 11 are connected through nut connecting piece 13, pressure sensor 12, receiving plate 18 and compression spring 14, compression spring 14 is compressed, and downward elastic force is applied to grinding box connecting piece 16, drive grinding box 17 to move slowly downward.

[0033] In the embodiment, the compression spring 14 can play the role of shock absorption and buffering, so that the grinding box connecting piece 16 is floatingly connected to the nut connecting piece 13.

[0034] During the down pressure process, the pressure sensor 12 is used as a pressure detection mechanism to detect the pressure between the compression spring 14 and the grinding box connecting piece 16. For different paint surface thickness requirements, different pressures can be set respectively. Two down pressure motors 1 drive two polishing wheels 5 to synchronously down pressure. When the pressure reaches the set value, the down pressure stops respectively, so as to complete the polishing work with different polishing effects. Figure 5 and Figure 6As shown, each polishing box 17 is connected with a polishing wheel shaft 5 through a bearing for supporting the polishing wheel shaft 5, a flat key groove is formed on each polishing wheel shaft 5, a flat key is connected to the middle of each polishing wheel 3, the flat key on each polishing wheel 3 is matched and connected into the flat key groove of one polishing wheel shaft 5, and a transition flexible shaft 7 is connected between two polishing wheel shafts 5; one polishing box 17 is fixedly connected with a polishing motor 8, the output shaft of the polishing motor 8 is connected with a gear assembly 9, a conical transmission gear is sleeved on the polishing wheel shaft 5 in the polishing box 17, and the conical transmission gear is engaged with the gear assembly 9.

[0035] The transition flexible shaft 7 is one of a flexible coupling, a universal coupling, a spring coupling, a rubber coupling, a flexible coupling and a steel wire flexible shaft, and can compensate for the change difference caused by different pressing speeds and different pressing forces.

[0036] During polishing, the polishing motor 8 is started, two polishing wheel shafts 5 are driven to rotate through the gear assembly 9, and the two polishing wheels 3 are controlled to polish the surface of the ship body pull opening paint, in the case that different pressing forces corresponding to different pressing motors 1 are different, the transition flexible shaft 7 is adopted to compensate for the change difference caused by different pressing speeds and different pressing forces, and the polishing operation requirement of single motor driving two or more polishing wheels 3 and producing different polishing effects is realized.

[0037] The gear assembly 9 comprises a coupling, a driving shaft and a conical rotating gear, the driving shaft is connected with the output shaft of the polishing motor 8 through the coupling, the bottom of the driving shaft is fixedly connected with the conical rotating gear, and the conical rotating gear is engaged with the conical transmission gear; the polishing motor 8 can drive the conical transmission gear to rotate.

[0038] The gear assembly 9 and the conical transmission gear are arranged in the polishing box 17, the output shaft of the polishing motor 8 extends into the polishing box 17 to connect the gear assembly 9, the polishing wheel shaft 5 extends into the polishing box 17 to sleeve the conical transmission gear, and the gear box protects the gear assembly 9 in the interior.

[0039] The above is only a specific embodiment of the present application, and the effect of the specific embodiment and the related comparative example is compared, but the protection scope of the present application is not limited to this, any change or replacement within the technical range disclosed in the present application should be covered in 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 grinding device for shipbuilding to grind a bevel, characterized in that: The polishing device comprises a plurality of down-pressing motors (1), a plurality of down-pressing transmission assemblies connected to the output shafts of the down-pressing motors (1) respectively, and a plurality of polishing box bodies (17) connected to the down-pressing transmission assemblies through polishing box body connectors (16) respectively; the polishing box bodies (17) are arranged side by side. Each polishing box body (17) is connected to a polishing wheel shaft (5) arranged along the arrangement direction of the polishing box bodies (17) through a bearing, and the polishing wheel shafts (5) of two adjacent polishing box bodies (17) are connected through a transition flexible shaft (7); the polishing wheel shaft (5) is connected to a polishing wheel (3) used for polishing the paint surface of a ship body pull opening. One of the polishing box bodies (17) at the end is fixedly connected to a polishing motor (8), the output shaft of the polishing motor (8) is connected to a gear assembly (9), and the polishing wheel shaft (5) in the polishing box body (17) is sleeved with a conical transmission gear, and the conical transmission gear is engaged with the gear assembly (9).

2. The grinding device for shipbuilding, according to claim 1, characterized in that: Each down-pressing transmission assembly comprises a ball screw (10) connected to the output shaft of the corresponding down-pressing motor (1) through a screw connector (4), a connecting screw nut (11) sleeved on the ball screw (10), a nut connector (13) fixedly connected to the connecting screw nut (11), a limiting hole formed in the middle of the nut connector (13), a guide shaft (15) arranged in the limiting hole of the nut connector (13) and parallel to the ball screw (10), the bottom of the guide shaft (15) being fixedly connected to the polishing box connector (16), and the nut connector (13) and the polishing box connector (16) being connected through an elastic adjusting assembly.

3. The grinding device for shipbuilding, according to claim 2, wherein: The elastic adjusting assembly is a compression spring (14), the compression spring (14) is sleeved outside the guide shaft (15), one end of the compression spring (14) is connected to the nut connector (13), and the other end of the compression spring (14) is connected to the polishing box connector (16).

4. The grinding device for shipbuilding, according to claim 2, wherein: The elastic adjusting assembly comprises a pressure sensor (12), a compression spring (14) and a receiving plate (18), the compression spring (14) is sleeved outside the guide shaft (15), one end of the compression spring (14) is connected to the polishing box connector (16), and the other end of the compression spring (14) is connected to the receiving plate (18), and the pressure sensor (12) is connected between the receiving plate (18) and the nut connector (13).

5. The grinding device for shipbuilding, as claimed in claim 1, wherein: The gear assembly (9) comprises a shaft coupling, a driving shaft and a conical rotating gear, the driving shaft is connected to the output shaft of the polishing motor (8) through the shaft coupling, the conical rotating gear is fixedly connected to the bottom of the driving shaft, and the conical rotating gear is engaged with the conical transmission gear.

6. The grinding device for shipbuilding, according to claim 1 or 5, characterized in that: A gear box is further provided, an outer wall of the gear box is fixedly connected to the polishing box body (17), the gear assembly (9) and the conical transmission gear are arranged in the gear box, the output shaft of the polishing motor (8) extends into the gear box and is connected to the gear assembly (9), and the polishing wheel shaft (5) extends into the gear box and is sleeved with the conical transmission gear.

7. The grinding device for shipbuilding, as claimed in claim 1, wherein: The transition flexible shaft (7) is one of a flexible shaft coupling, a universal shaft coupling, a spring shaft coupling, a rubber shaft coupling, a flexible shaft coupling and a steel wire flexible shaft.

8. The grinding device for shipbuilding, according to claim 1, wherein: The polishing wheel shaft (5) is provided with a key groove, and the middle part of the polishing wheel (3) is connected with a key.

9. The grinding device for shipbuilding, as recited in claim 1, characterized in that: The plurality of down-pressing motors (1) are connected to one mounting fixed plate (2) through motor connecting members (6) respectively.

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