disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the clamp for machining the numerical control electric spark machine tool, which can solve the problems of poor working stability, small application range, poor adjustability, potential safety hazards and the like in the existing clamping process of the annular workpiece, can realize the function of automatically clamping the annular workpiece, and has the advantages of high working stability, wide application range, flexibility in adjustment, high safety and the like.
The technical scheme adopted by the invention to solve the technical problem is as follows: a clamp for machining a numerical control electric spark machine tool comprises a bottom plate, a clamping device, a limiting device and a cleaning device, wherein a sliding groove is formed in the bottom plate, the clamping device is installed in the sliding groove, the limiting device is symmetrically arranged at the front end and the rear end of the clamping device, the limiting device is installed on the bottom plate, and the cleaning device is installed on the rear side of the bottom plate; wherein:
The clamping device comprises a first moving mechanism, a second moving mechanism, a rotating mechanism and a clamping mechanism, wherein the first moving mechanism is arranged on the left side of the sliding groove, the second moving mechanism is arranged on the right side of the sliding groove, the clamping mechanisms are arranged at the upper ends of the first moving mechanism and the second moving mechanism, and the rotating mechanism is arranged on the second moving mechanism; after the annular workpiece is placed on the clamping mechanisms, the working positions are adjusted through the first moving mechanism and the second moving mechanism until the distance between the two clamping mechanisms can meet the actual working requirements of the workpiece, then the workpiece on the clamping mechanisms is driven to rotate through the rotating mechanism, so that different positions of the workpiece can be processed, the adjustment is flexible and convenient, the annular workpiece can be firmly fixed on the clamping mechanisms, the influence on the normal operation of the work due to the change of the position of the workpiece is avoided, and the working stability is improved.
the cleaning device comprises a linear guide rail, an electric sliding table, a height adjusting frame, a horizontal adjusting frame, an installation block, an electromagnet, a first connection expansion plate, a second connection expansion plate and a waste bin, wherein the electric sliding table is installed at the upper end of the linear guide rail in a sliding fit mode, the height adjusting frame is installed at the upper end of the electric sliding table, the horizontal adjusting frame is installed at the upper end of the height adjusting frame, the installation block is installed at the top end of the horizontal adjusting frame, the electromagnet is installed on the inner side of the installation block, the waste bin is arranged below the electromagnet, the rear end of the waste bin is connected with the first connection expansion plate, the first connection expansion plate is installed at the lower end of the height adjusting frame, the second connection expansion plate is installed at the front end of the horizontal adjusting frame, the front side wall of the electromagnet is of a cambered surface structure, and the front side wall of; through electronic slip table, mutually supporting of altitude mixture control frame and horizontal adjusting bracket is with the operating position regulation suitable, the installation piece on the electro-magnet of installation alright clear up the annular workpiece surface after the processing, and electro-magnet inside wall shape laminates with annular workpiece surface shape mutually, make the clearance effect better, need not the manual work and clear up, it takes place to avoid sharp metallic debris to cause the condition of fish tail to the staff, the security in the course of the work has been improved, after the piece clearance finishes, cut off the electro-magnet, make on the electro-magnet adsorbed piece fall into the dump bin of below, because dump bin front side wall is cambered surface structure, consequently, can not hinder the rotation of work piece in the course of the work, and can avoid the piece to fall outside the dump bin after finishing in the clearance, the clearance effect has been guaranteed.
The first moving mechanism comprises a first electric sliding plate, a first mounting plate and a first rotary column, the first electric sliding plate is mounted on the left side of the sliding chute in a sliding fit mode, the first mounting plate is mounted at the upper end of the first electric sliding plate, and the first rotary column is mounted on the side wall of the first mounting plate through a bearing; the clamping mechanism arranged on the first moving mechanism is driven to move to a proper position through the first electric sliding plate so as to clamp one end of a workpiece.
The second moving mechanism comprises a second electric sliding plate, a second mounting plate, a second rotary column and a lug, the second electric sliding plate is mounted on the left side of the sliding groove in a sliding fit mode, the second mounting plate is mounted at the upper end of the second electric sliding plate, the second rotary column is mounted on the side wall of the second mounting plate through a bearing, the lug is uniformly mounted on the side wall of the second rotary column along the circumferential direction of the second rotary column, and a rotating mechanism is meshed on the lug; the clamping mechanism arranged on the second moving mechanism is driven to move to a proper position through the second electric sliding plate so as to clamp the other end of the workpiece, and then the clamping mechanism arranged on the second moving mechanism is driven to rotate through the rotating mechanism under the connection action of the convex block so as to drive the workpiece to rotate so as to process different positions of the workpiece.
The rotating mechanism comprises a mounting frame, a rotating motor, a supporting frame, a rotating frame and a rotating column, the mounting frame is mounted on the second electric sliding plate, the rotating motor is mounted at the upper end of the mounting frame through a motor base, the supporting frame is arranged at the upper end of the rotating motor, the supporting frame is mounted at the upper end of the mounting frame, an output shaft of the rotating motor is connected with the lower end of the rotating frame, the rotating column is mounted at the upper end of the rotating frame, a groove is formed in the side wall of the; the rotating column on the rotating frame is driven to rotate through the rotating motor, when a protruding block is meshed with a groove formed in the side wall of the rotating column, the rotating column drives the second rotating column to rotate, and when no protruding block is meshed with the groove, the second rotating column does not rotate along with the rotation of the rotating column, so that a workpiece fixed by the clamping mechanism can rotate by a certain angle at every time, and the surface of the workpiece is processed.
the clamping mechanism comprises a working circular plate, a rotating motor, a driving gear, a driven gear, an adjusting column, a movable plate, a fixed clamping plate, a telescopic clamping plate and a rubber strip, wherein the working circular plate in the clamping mechanism arranged on the first moving mechanism is connected with the first rotating column through a bearing, the working circular plate in the clamping mechanism arranged on the second moving mechanism is connected with the second rotating column through a bearing, the rotating motor is arranged on the side wall of the working circular plate through a motor base, an output shaft of the rotating motor is arranged on the driving gear, the driving gear is tightly attached to the side wall of the working circular plate, the driving gear is engaged with the driven gear, the driven gear is arranged on the side wall of the working circular plate through a bearing, moving grooves are uniformly arranged on the side wall of the working circular plate along the circumferential direction of the side wall, the movable plate is arranged, the number of the adjusting grooves is the same as that of the moving grooves, adjusting columns are connected in the adjusting grooves in a sliding fit mode, the adjusting columns are installed on the moving plate, a fixed clamping plate is installed at the top end of the moving plate, a telescopic clamping plate is installed on the side wall of the fixed clamping plate, and rubber strips are evenly installed on the outer walls of the fixed clamping plate and the telescopic clamping plate; the rotary motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, in the rotating process of the driven gear, the adjusting column slides in the adjusting groove, so that the movable plate is driven to perform linear motion in the moving groove, the distance from the top end of the movable plate to the circle center of the working circular plate is controlled, until rubber strips arranged on the outer walls of the fixed clamping plate and the telescopic clamping plate are tightly attached to the inner wall of the annular workpiece, the position of the annular workpiece is fixed, the influence on the normal work due to the change of the position of the workpiece is avoided, the stability of the work is improved, the distance from the top end of the movable plate to the circle center of the working circular plate can be adjusted according to the actual size of the inner diameter of the annular workpiece, the work needs of the annular workpieces with different sizes are met, the use range is.
The limiting device comprises a limiting plate, limiting support plates, a limiting cylinder and a limiting frame, wherein the number of the limiting support plates is two, one limiting support plate is arranged on the first moving mechanism, the other limiting support plate is arranged on the second moving mechanism, the limiting cylinder is arranged on the side wall of each limiting support plate, the limiting frame is arranged at the top end of the limiting cylinder, the limiting frame is of a U-shaped structure, the limiting plate is arranged on the outer side of the limiting frame, limiting grooves are uniformly formed in the side wall of the limiting plate from left to right, and the limiting plate is arranged on the; when the telescopic limiting plate is moved to a proper position, the limiting cylinder drives the limiting frame to move synchronously, so that the limiting groove formed in the telescopic limiting plate of the limiting frame is limited, the working position is limited, and the working stability is improved.
The cleaning device comprises a linear guide rail, an electric sliding table, a height adjusting frame, a horizontal adjusting frame, an installation block and an electromagnet, wherein the electric sliding table is installed at the upper end of the linear guide rail in a sliding fit mode, the height adjusting frame is installed at the upper end of the electric sliding table, the horizontal adjusting frame is installed at the upper end of the height adjusting frame, the installation block is installed at the top end of the horizontal adjusting frame, the electromagnet is installed on the inner side of the installation block, and the inner side wall of the electromagnet is of a cambered surface structure; through mutually supporting of electronic slip table, altitude mixture control frame and horizontal adjusting bracket with the operating position adjust suitably, the electro-magnet of installation on the installation piece alright clear up the annular workpiece surface after the processing, and electro-magnet inside wall shape laminates with annular workpiece surface shape mutually for the clearance effect is better, need not the manual work and clears up, avoids sharp metallic debris to cause the condition of fish tail to take place to the staff, has improved the security in the working process.
When the automatic clamping device works, a worker places the automatic clamping device on a machine tool, places an annular workpiece on the clamping mechanisms, adjusts the working position through the first moving mechanism and the second moving mechanism until the distance between the two clamping mechanisms can meet the actual working requirement of the workpiece, then drives the limiting frame to synchronously move through the limiting cylinder, so that the limiting frame extends into a limiting groove formed in the limiting plate to limit the working position, then drives the driving gear to rotate through the rotating motor, the driving gear drives the driven gear to rotate, the adjusting column slides in the adjusting groove in the rotating process of the driven gear, so that the moving plate is driven to linearly move in the moving groove, the distance from the top end of the moving plate to the center of the working circular plate is controlled, and the fixed clamping plate and a rubber strip arranged on the outer wall of the telescopic clamping plate are tightly attached to the inner wall of the annular workpiece, when different positions of the annular workpiece are required to be processed, the rotating column on the rotating frame is driven to rotate by rotating the motor, when a groove formed in the side wall of the rotating column is meshed with a lug, the rotating column drives the second rotating column to rotate, when no lug is meshed with the lug in the groove, the second rotating column does not rotate along with the rotation of the rotating column, so that the workpiece fixed by the clamping mechanism can rotate for a certain angle each time, the surface of the workpiece is processed, after the workpiece is processed, the working position is properly adjusted by the mutual matching of the electric sliding table, the height adjusting frame and the horizontal adjusting frame, the surface of the processed annular workpiece can be cleaned by the electromagnet arranged on the mounting block, and the shape of the inner side wall of the electromagnet is matched with the shape of the surface of the annular workpiece, the automatic cleaning device has the advantages that the cleaning effect is better, manual cleaning is not needed, the scratch of workers caused by sharp metal chips is avoided, the safety in the working process is improved, after the chips are cleaned, the electromagnet is powered off, the chips adsorbed on the electromagnet fall into a waste box below the electromagnet, the front side wall of the waste box is of an arc surface structure, the rotation of a workpiece cannot be hindered in the working process, the chips can be prevented from falling out of the waste box after the chips are cleaned, the cleaning effect is guaranteed, the problems of poor working stability, small application range, poor adjustability, potential safety hazards and the like in the existing annular workpiece clamping process can be solved, and the function of automatically clamping the annular workpiece can be realized.
compared with the prior art, the invention has the following advantages:
1. the automatic clamping device can solve the problems of poor working stability, small application range, poor adjustability, potential safety hazard and the like in the existing clamping process of the annular workpiece, can realize the function of automatically clamping the annular workpiece, and has the advantages of high working stability, wide application range, flexibility in adjustment, high safety and the like;
2. The clamping device is arranged, after an annular workpiece is placed on the clamping mechanism, the working position is adjusted through the first moving mechanism and the second moving mechanism until the distance between the two clamping mechanisms can meet the actual working requirement of the workpiece, then the workpiece on the clamping mechanism is driven to rotate through the rotating mechanism, so that different positions of the workpiece can be processed, the adjustment is flexible and convenient, the annular workpiece can be firmly fixed on the clamping mechanism, the influence on the normal operation caused by the position change of the workpiece is avoided, and the working stability is improved;
3. The limiting device is arranged, when the limiting device moves to a proper position, the limiting cylinder drives the limiting frame to synchronously move, so that the limiting groove formed in the telescopic limiting plate of the limiting frame is limited, the working position is limited, and the working stability is improved;
4. the cleaning device is arranged, manual cleaning is not needed, the situation that sharp metal fragments scratch workers is avoided, and safety in the working process is improved;
5. the clamping mechanism is arranged in the invention, so that the distance from the top end of the movable plate to the circle center of the working circular plate can be adjusted according to the actual size of the inner diameter of the annular workpiece, the working requirements of annular workpieces with different sizes are met, the application range is expanded, and the practicability is improved.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
As shown in fig. 1 to 5, a clamp for numerical control electric spark machine tool machining comprises a bottom plate 1, a clamping device 2, a limiting device 3 and a cleaning device 4, wherein a sliding groove is formed in the bottom plate 1, the clamping device 2 is installed in the sliding groove, the limiting device 3 is symmetrically arranged at the front end and the rear end of the clamping device 2, the limiting device 3 is installed on the bottom plate 1, and the cleaning device 4 is installed at the rear side of the bottom plate 1; wherein:
the clamping device 2 comprises a first moving mechanism 21, a second moving mechanism 22, a rotating mechanism 23 and a clamping mechanism 24, the first moving mechanism 21 is arranged on the left side of the sliding chute, the second moving mechanism 22 is arranged on the right side of the sliding chute, the clamping mechanism 24 is arranged at the upper ends of the first moving mechanism 21 and the second moving mechanism 22, and the rotating mechanism 23 is arranged on the second moving mechanism 22; after the annular workpiece is placed on the clamping mechanisms 24, the working positions are adjusted through the first moving mechanism 21 and the second moving mechanism 22 until the distance between the two clamping mechanisms 24 can meet the actual working requirements of the workpiece, then the workpiece on the clamping mechanisms 24 is driven to rotate through the rotating mechanism 23, so that different positions of the workpiece can be processed, the adjustment is flexible and convenient, the annular workpiece can be firmly fixed on the clamping mechanisms 24, the influence on the normal operation caused by the change of the position of the workpiece is avoided, and the working stability is improved.
The cleaning device 4 comprises a linear guide rail 41, an electric sliding table 42, a height adjusting frame 43, a horizontal adjusting frame 44, an installation block 45, an electromagnet 46, a first connection expansion plate 47, a second connection expansion plate 48 and a waste box 49, wherein the electric sliding table 42 is installed at the upper end of the linear guide rail 41 in a sliding fit mode, the height adjusting frame 43 is installed at the upper end of the electric sliding table 42, the horizontal adjusting frame 44 is installed at the upper end of the height adjusting frame 43, the installation block 45 is installed at the top end of the horizontal adjusting frame 44, the electromagnet 46 is installed on the inner side of the installation block 45, the waste box 49 is arranged below the electromagnet 46, the rear end of the waste box 49 is connected with the first connection expansion plate 47, the first connection expansion plate 47 is installed at the lower end of the height adjusting frame 43, the second connection expansion plate 48 is installed at the front end of the first connection expansion plate 47, the second connection expansion plate 48 is installed at the front end, the front side wall of the waste bin 49 is of a cambered surface structure; through electronic slip table 42, height adjusting bracket 43 and horizontal adjusting bracket 44 mutually support with operating position control suitable, the electro-magnet 46 of installation on the installation piece 45 alright clear up the annular workpiece surface after the processing, and electro-magnet 46 inside wall shape laminates with annular workpiece surface shape mutually, make the clearance effect better, need not the manual work and clear up, avoid sharp metal debris to cause the condition of fish tail to take place to the staff, the security in the course of the work has been improved, after the piece clearance finishes, cut off the power supply with electro-magnet 46, make the last adsorbed piece of electro-magnet 46 fall into in the dump box 49 of below, because dump box 49 preceding lateral wall is ARC structure, consequently, can not hinder the rotation of work piece in the course of the work, and can avoid the piece to fall outside dump box 49 after finishing in the clearance, the clearance effect has been guaranteed.
the first moving mechanism 21 comprises a first electric sliding plate 211, a first mounting plate 212 and a first rotating column 213, the first electric sliding plate 211 is mounted on the left side of the sliding groove in a sliding fit mode, the first mounting plate 212 is mounted at the upper end of the first electric sliding plate 211, and the first rotating column 213 is mounted on the side wall of the first mounting plate 212 through a bearing; the clamping mechanism 24 arranged on the first moving mechanism 21 is driven to move to a proper position through the first electric sliding plate 211 so as to clamp one end of the workpiece.
the second moving mechanism 22 comprises a second electric sliding plate 221, a second mounting plate 222, a second rotary column 223 and a bump 224, the second electric sliding plate 221 is mounted on the left side of the sliding chute in a sliding fit mode, the second mounting plate 222 is mounted at the upper end of the second electric sliding plate 221, the second rotary column 223 is mounted on the side wall of the second mounting plate 222 through a bearing, the bump 224 is uniformly mounted on the side wall of the second rotary column 223 along the circumferential direction of the bump, and the rotating mechanism 23 is meshed with the bump 224; the second electric sliding plate 221 drives the clamping mechanism 24 mounted on the second moving mechanism 22 to move to a proper position so as to clamp the other end of the workpiece, and then under the connecting action of the bump 224, the rotating mechanism 23 drives the clamping mechanism 24 mounted on the second moving mechanism 22 to rotate, so as to drive the workpiece to rotate, so as to process different positions of the workpiece.
The rotating mechanism 23 comprises a mounting frame 231, a rotating motor 232, a supporting frame 233, a rotating frame 234 and a rotating column 235, the mounting frame 231 is mounted on the second electric skateboard 221, the rotating motor 232 is mounted at the upper end of the mounting frame 231 through a motor base, the supporting frame 233 is arranged at the upper end of the rotating motor 232, the supporting frame 233 is mounted at the upper end of the mounting frame 231, an output shaft of the rotating motor 232 is connected with the lower end of the rotating frame 234, the rotating column 235 is mounted at the upper end of the rotating frame 234, a groove is formed in the side wall of the rotating column 235; the rotating column 235 on the rotating frame 234 is driven to rotate by the rotating motor 232, when the protruding block 224 is meshed with the groove formed in the side wall of the rotating column 235, the rotating column 235 drives the second rotating column 223 to rotate, and when the protruding block 224 is not arranged in the groove and is meshed with the groove, the second rotating column 223 does not rotate along with the rotation of the rotating column 235, so that a workpiece fixed by the clamping mechanism 24 can rotate by a certain angle at each time, and the surface of the workpiece is processed.
The clamping mechanism 24 comprises a working circular plate 241, a rotating motor 242, a driving gear 243, a driven gear 244, an adjusting column 245, a moving plate 246, a fixed clamping plate 247, a telescopic clamping plate 248 and a rubber strip 249, wherein the working circular plate 241 in the clamping mechanism 24 arranged on the first moving mechanism 21 is connected with the first rotating column 213 through a bearing, the working circular plate 241 in the clamping mechanism 24 arranged on the second moving mechanism 22 is connected with the second rotating column 223 through a bearing, the rotating motor 242 is arranged on the side wall of the working circular plate 241 through a motor base, the output shaft of the rotating motor 242 is arranged on the driving gear 243, the driving gear 243 is tightly attached to the side wall of the working circular plate 241, the driving gear 243 is engaged with the driven gear 244, the driven gear 244 is arranged on the side wall of the working circular plate 241 through a bearing, moving grooves are uniformly arranged on the side wall of the working circular plate 241 along the circumferential direction, and, the side wall of the driven gear 244 is uniformly provided with adjusting grooves, the number of the adjusting grooves is the same as that of the moving grooves, adjusting columns 245 are connected in the adjusting grooves in a sliding fit mode, the adjusting columns 245 are installed on a moving plate 246, the top end of the moving plate 246 is provided with a fixed clamping plate 247, the side wall of the fixed clamping plate 247 is provided with a telescopic clamping plate 248, and the outer walls of the fixed clamping plate 247 and the telescopic clamping plate 248 are uniformly provided with rubber strips 249; the driving gear 243 is driven to rotate by the rotating motor 242, the driving gear 243 is driven to rotate by the driven gear, during the rotation of the driven gear 244, the adjustment post 245 slides in the adjustment groove, thereby driving the moving plate 246 to perform linear motion in the moving groove, thereby controlling the distance from the top end of the moving plate 246 to the circle center of the working circular plate 241 until the rubber strips 249 arranged on the outer walls of the fixed clamping plate 247 and the telescopic clamping plate 248 cling to the inner wall of the annular workpiece, thereby fixing the position of the annular workpiece, avoiding the influence on the normal operation caused by the position change of the workpiece, improving the stability of the operation, and the distance from the top end of the moving plate 246 to the circle center of the working circular plate 241 can be adjusted according to the actual size of the inner diameter of the annular workpiece, the working requirements of annular workpieces with different sizes are met, the application range is expanded, and the practicability is improved.
The limiting device 3 comprises a limiting plate 31, limiting support plates 32, limiting cylinders 33 and a limiting frame 34, the number of the limiting support plates 32 is two, one limiting support plate 32 is installed on the first moving mechanism 21, the other limiting support plate 32 is installed on the second moving mechanism 22, the limiting cylinders 33 are installed on the side walls of the limiting support plates 32, the limiting frame 34 is installed at the top end of each limiting cylinder 33, the limiting frame 34 is of a U-shaped structure, the limiting plates 31 are arranged on the outer sides of the limiting frames 34, limiting grooves are uniformly formed in the side walls of the limiting plates 31 from left to right, and the limiting plates 31 are installed on the bottom plate 1; when the telescopic limiting plate is moved to a proper position, the limiting cylinder 33 drives the limiting frame 34 to perform synchronous motion, so that the limiting frame 34 is arranged in a limiting groove formed in the telescopic limiting plate 31, the working position is limited, and the working stability is improved.
When the device works, a worker places the device on a machine tool, places an annular workpiece on the clamping mechanisms 24, adjusts the working position through the first moving mechanism 21 and the second moving mechanism 22 until the distance between the two clamping mechanisms 24 can meet the actual working requirement of the workpiece, then drives the limiting frame 34 to synchronously move through the limiting cylinder 33, so that the limiting frame 34 extends into a limiting groove formed in the limiting plate 31, so as to limit the working position, then drives the driving gear 243 to rotate through the rotating motor 242, the driving gear 243 drives the driven gear to rotate, during the rotation of the driven gear 244, the adjusting column 245 slides in the adjusting groove, so as to drive the moving plate 246 to linearly move in the moving groove, thereby controlling the distance from the top end of the moving plate 246 to the center of the working circular plate 241 until the fixed clamping plate 247 and a rubber strip 249 mounted on the outer wall of the telescopic clamping plate 248 cling to the inner wall of the annular workpiece, when different positions of the annular workpiece are required to be processed, the rotating motor 232 drives the rotating column 235 on the rotating frame 234 to rotate, when the groove formed in the side wall of the rotating column 235 is meshed with the lug 224, the rotating column 235 drives the second rotating column 223 to rotate, when the lug 224 is not meshed with the groove, the second rotating column 223 does not rotate along with the rotation of the rotating column 235, so that the workpiece fixed by the clamping mechanism 24 can rotate for a certain angle each time to process the surface of the workpiece, after the workpiece is processed, the working position is properly adjusted through the mutual matching of the electric sliding table 42, the height adjusting frame 43 and the horizontal adjusting frame 44, and the electromagnet 46 arranged on the mounting block 45 can clean the surface of the processed annular workpiece, the shape of the inner side wall of the electromagnet 46 is fitted with the surface shape of the annular workpiece, so that the cleaning effect is better, manual cleaning is not needed, the situation that sharp metal chips scratch workers is avoided, the safety in the working process is improved, after the chips are cleaned, the electromagnet 46 is powered off, the chips adsorbed on the electromagnet 46 fall into a waste box 49 below the electromagnet, the front side wall of the waste box 49 is of an arc-shaped surface structure, the rotation of the workpiece is not hindered in the working process, the chips can be prevented from falling out of the waste box 49 after the cleaning is finished, and the cleaning effect is ensured.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.