CN103191978B - Punch press - Google Patents

Abstract

A stamping machine, comprising a machine body (1), a transmission device and a stamping device, the stamping device comprising a stamping part and a sliding part (2), the sliding part (2) being placed on the machine body (1) so that it can move up and down, The stamping part is fixed on the lower part of the sliding part (2), and the upper part of the sliding part (2) is linked with the transmission device, and a cushion mold is arranged directly below the stamping part, and the machine body (1) also It is equipped with a jacking mechanism and a conveying device. The advantage of the present invention is that: when the stamping machine is operated, the whole operation process does not need manual cooperation, but the processed parts are automatically transported to the stamping part, and the stamped processed parts can be transported backward step by step until the finished products are transported To the discharge part, the processed parts can be processed into finished products at one time, which not only improves the production efficiency, but more importantly, the operation is safer and more convenient, and greatly reduces the labor intensity of the processed products, thus effectively saving production costs and labor costs.

Description

punching machine

technical field

The invention relates to the technical field of mechanical equipment manufacturing, in particular to a stamping machine.

Background technique

There is a Chinese utility model patent with the patent No. 201120139631.3 named "Punching Machine" which discloses a structure. Connecting rod, labor-saving connecting rod can amplify the output torque of the motor and then drive the punch unit, so that the utility model can reduce the output torque of the motor, thereby reducing the production cost of the motor, improving the service life of the motor, saving energy and increasing economic benefits . But its disadvantage is that the operation of the punching machine cannot be carried out automatically, but requires the manual cooperation of the operator, so the operation is cumbersome and labor-intensive, and there are unsafe factors and low production efficiency due to manual cooperation during operation, so the punching machine The structure needs to be further improved.

Contents of the invention

The technical problem to be solved by the present invention is to provide a stamping machine with ingenious design, convenient operation and high production efficiency in view of the above-mentioned current state of the art.

The technical solution adopted by the present invention to solve the above technical problems is: the punching machine includes a body, a transmission device and a punching device, the punching device includes a punching part and a sliding part, and the sliding part is placed on the body so that it can move up and down, The stamping part is fixed to the lower part of the sliding part, the upper part of the sliding part is linked with the transmission device, and a pad die for placing the workpiece for stamping is arranged directly below the stamping part, and the characteristics are as follows: The machine body is provided with a lifting mechanism capable of lifting up the processed workpiece placed in the cushion mold, and the machine body is also provided with a lifting mechanism capable of gradually transferring the lifted workpiece to the discharge part the conveying device.

As an improvement, the stamping part includes a first stamping die, a second stamping die, and a third stamping die, and the first stamping die, the second stamping die, and the third stamping die are arranged on the sliding part at intervals in sequence, so Described cushion mold comprises cushion mold one, cushion mold two and cushion mold three, and described cushion mold one, cushion mold two and cushion mold three are respectively arranged on the front corresponding to the first punching die, the second punching die, the third punching die below.

As an improvement, the conveying device includes a front positioning frame fixed on the front of the body, a rear positioning frame fixed on the tail of the body, and a clamping rod, and the clamping rods are arranged parallel to each other and capable of moving towards and away from each other. In the machine body, the front part of the clamp bar is set on the front positioning frame, the rear part of the clamp bar is set on the rear positioning frame, and the lower part of the clamp bar is provided with an openable and closed way to process the workpiece The clamper clamped, the front part of the clamp rod is linked with the sliding part through the front transmission mechanism, the rear part of the clamp rod is linked with the sliding part through the rear transmission mechanism, and is set on the rear positioning frame There is a driving device capable of driving the clamp rod to move back and forth, and a stand for placing workpieces is arranged at the corresponding position of the holder.

As an improvement, the front positioning frame includes a front guide plate and a front slide plate fixed on the body, a slider is provided on the top surface of the front slide plate, and the top surface of the slide block can be slid forward and backward and embedded in the front On the guide rail on the bottom surface of the guide plate, a transverse slide rail is provided on the bottom surface of the front slide plate, and the front top surface of the clamp bar is respectively provided with slide heads that can slide along the slide rails. The top of the clamping rod is provided with a guide rail, and the guide rail is arranged together with the front transmission mechanism through the front sliding mechanism.

As an improvement, the front transmission mechanism includes a transmission rack that can move vertically up and down and has transmission teeth on the left and right sides, gears are respectively engaged on the transmission teeth on the left and right sides of the transmission rack, and the gears pass through the The transmission shafts are connected with respective corresponding transmission gears, and the transmission gears are respectively meshed with the meshing teeth on the driven racks that can move laterally. The front sliding mechanism includes a frame body and rollers arranged on the frame body. , the driven racks are respectively fixed with the corresponding frames, the rollers can be fitted together in a rolling manner along the corresponding guide rails, and the rear part of the driving rack is connected with the sliding part through the connecting plate fixed.

As an improvement, the rear positioning frame includes a rear guide plate and a rear slide plate fixed on the body, a slider is provided on the top surface of the rear slide, and the top surface of the slider can be embedded in a sliding manner On the guide bar on the bottom surface of the rear guide plate, a horizontal slide rail bar is arranged on the bottom surface of the rear slide plate, and slider blocks that can slide along the slide rail bar are respectively provided on the rear top surface of the clamp bar. The top of the clamp bar at the front of the slider block is provided with a guide rail, and the guide rail is arranged together with the rear transmission mechanism through the rear sliding mechanism.

As an improvement, the rear transmission mechanism includes a transmission rack two that can move vertically up and down and has transmission teeth on both sides of the left and right sides. The left and right transmission teeth of the transmission rack two are respectively meshed with gear two. The transmission shafts 2 are respectively connected to the corresponding transmission gears 2, and the transmission gears 2 are meshed with the meshing teeth on the driven rack 2 that can move laterally. The rear sliding mechanism includes a bracket and a setting Rollers on the bracket, the bottoms of the driven rack two are respectively fixed with the corresponding brackets, and the rollers can be fitted together rollingly along the corresponding guide rails, and the rear part of the drive rack two passes through The other connecting plate is fixed with the sliding part.

As an improvement, the drive device includes a drive motor and a transmission tooth block that can move forward and backward, the output shaft of the drive motor is meshed with the transmission tooth block through the transmission gear three, and the transmission tooth block can be slid forward and backward. On the machine body, the top surface of the transmission tooth block is linked with the rear slide plate through the connecting block.

As an improvement, the clamper includes a clamping block and a push spring, and the clamping blocks are respectively provided with notches capable of clamping the workpiece in the opposite direction of the clamping rod, and the clamping blocks are respectively arranged to slide left and right In the corresponding chute of the clamping rod, the tails of the clamping blocks are respectively supported together with corresponding push springs fixed on the clamping rod.

As an improvement, the jacking mechanism includes a pull rod and a swing rod that can swing up and down, and the middle parts of the cushion mold 1, cushion mold 2, and cushion mold 3 are respectively provided with vertical inner cavities, and in the vertical inner cavities Lifting bars that can move up and down are respectively provided, and the lifting bars can be extended and retracted from the top surface of the vertical inner cavity, and the bottom ends of the lifting bars are supported together with the middle part of the swing rod respectively. One end of the swing rod is rotatably connected to the bottom of the body through a rotating shaft, the other end of the swing rod is movably connected to the lower end of the pull rod, and the upper end of the pull rod is movably connected to the sliding part.

Compared with the prior art, the machine body of the present invention is provided with a jacking mechanism capable of lifting up the processed workpiece placed in the cushion mold, and the machine body is also provided with a processing mechanism for lifting it up. The parts are transmitted to the conveying device of the discharge part. The advantage of this design is that when the punching machine is in operation, the entire operation process does not require manual cooperation, but the processed parts are automatically conveyed to the stamping part, and the stamped parts can be gradually conveyed backward until they are processed into finished products. Transported to the discharge part, the processed parts can be processed into finished products at one time, and the production efficiency is more than twice that of the existing technology, and more importantly, the operation is safer and more convenient, and the labor intensity of the processed products is greatly reduced. , thereby effectively saving production costs and labor costs; in addition, this stamping machine is automatically controlled by program control, and the product yield is high, and the quality is better and more stable. It improves the processing efficiency of the processed parts, thus providing a reliable guarantee for the enterprise to gain a foothold in the market and compete.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the present invention;

Fig. 2 is a perspective view omitting the program control part in Fig. 1;

Fig. 3 is a right perspective view in Fig. 2;

Fig. 4 is a left perspective view in Fig. 2;

Fig. 5 is a perspective view of different views of Fig. 3;

Fig. 6 is a perspective view of Fig. 5 with different angles of view and after removing the rear guide plate;

Fig. 7 is a perspective view of Fig. 4 after removing the front guide plate;

Fig. 8 is the rear projection diagram of removing the top along the dotted line in 2;

Fig. 9 is a projection view (partial section) of the right view in Fig. 8;

Fig. 10 is a schematic diagram of the structure of the right side view in Fig. 2 and the rear positioning frame is not shown;

Fig. 11 is a rear projection view (partial cutaway) in Fig. 2;

Fig. 12 is a schematic structural view of the front projection of Fig. 2;

Fig. 13 is a sectional view along line B-B in Fig. 12;

Fig. 14 is a schematic cross-sectional view of the structure along A-A in Fig. 8;

Fig. 15 is an enlarged view of part III in Fig. 7;

Fig. 16 is an enlarged view of part IV in Fig. 14;

Fig. 17 is an enlarged view of part II in Fig. 6;

Fig. 18 is an enlarged view of part I in Fig. 2 .

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

As shown in Figures 1 to 18, the punching machine of this embodiment includes a body 1, a transmission device and a punching device, the punching device includes a punching part and a sliding part 2, and the sliding part 2 is placed on the body so that it can move up and down 1, the stamping part is fixed to the lower part of the sliding part 2, and the upper part of the sliding part 2 is linked with the transmission device, and a pad for placing the workpiece 20 for stamping is provided directly below the stamping part mold, the body 1 is provided with a jacking mechanism that can lift up the processed workpiece 20 placed in the cushion mold, and the machine body 1 is also provided with a processed workpiece 20 that can be lifted up Gradually conveyed to the conveying device of the discharge part 10. The stamping part includes a first stamping die 21, a second stamping die 22, and a third stamping die 23, and the first stamping die 21, the second stamping die 22, and the third stamping die 23 are arranged at intervals on the sliding part in turn. 2, the cushion mold includes a cushion mold one 24, a cushion mold two 25 and a cushion mold three 26, and the cushion mold one 24, the cushion mold two 25 and the cushion mold three 26 are respectively arranged on the corresponding first stamping die 21, Right below the second stamping die 22 and the third stamping die 23 .

The above-mentioned conveying device includes a front positioning frame 3 fixed on the front of the body 1, a rear positioning frame 4 fixed on the tail of the body 1, and a clamping rod 5. The clamping rods 5 are left and right parallel to each other and can face each other and face each other. Movably arranged in the body 1, the front portion of the clamp bar 5 is arranged on the front positioning frame 3, the rear portion of the clamp bar 5 is arranged on the rear positioning frame 4, and the bottom of the clamp bar 5 is provided with The clamper 51 that can clamp the workpiece 20 in an open and closed manner, the front part of the clamping rod 5 is linked with the sliding part 2 through the front transmission mechanism, and the rear part of the clamping rod 5 is linked with the sliding part 2 through the rear transmission mechanism. The sliding parts 2 are interlocked, and a driving device capable of driving the clamp rod 5 to move back and forth is provided on the rear positioning frame 4 , and a stand 30 for placing the workpiece 20 is provided at a corresponding position of the clamper 51 .

The above-mentioned front positioning frame 3 includes a front guide plate 31 and a front slide plate 32 fixed on the body 1, a slide block 321 is arranged on the top surface of the front slide plate 32, and the top surface of the slide block 321 can slide forward and backward. Placed on the guide rail 311 on the bottom surface of the front guide plate 31, a horizontal slide rail 322 is provided on the bottom surface of the front slide plate 32, and the front top surface of the clamp bar 5 is respectively provided with a sliding rail that can slide along the slide rail 322. The slider 52 is provided with a guide rail 54 on the top of the clamping rod 5 at the rear of the slider 52, and the guide rail 54 is arranged together with the front transmission mechanism through the front sliding mechanism. The front transmission mechanism includes a transmission rack 6 that can move vertically up and down and has transmission teeth on the left and right sides. Gears 61 are engaged with the transmission teeth on the left and right sides of the transmission rack 6 respectively. The gears 61 are respectively The transmission shaft 62 is connected with the corresponding transmission gear 63 respectively, and the transmission gear 63 is respectively engaged with the meshing teeth on the driven rack 64 that can move laterally. The front sliding mechanism includes a frame body 65 and a set The rollers 66 on the frame body 65, the driven racks 64 are respectively fixed to the corresponding frame bodies 65, and the rollers 66 can be fitted together with the guide slide rails 54 so as to roll along the corresponding guide rails 54, The rear part of the transmission rack 6 is fixed with the sliding part 2 through the connecting plate 27 . The rear positioning frame 4 includes a rear guide plate 41 and a rear slide plate 42 fixed on the body 1, and a slider part 421 is arranged on the top surface of the rear slider part 42, and the top surface of the slider part 421 can move forward and backward. Slidably embedded on the guide bar 411 on the bottom surface of the rear guide plate 41, a horizontal slide rail bar 422 is provided on the bottom surface of the rear slide plate 42, and the rear top surface of the clamp bar 5 is respectively provided with The slider block 53 on which the rail bar 422 slides is provided with a guide rail 55 on the top of the clamping rod 5 at the front of the slider block 53, and the guide rail 55 is arranged together with the rear transmission mechanism through the rear sliding mechanism.

The above-mentioned rear transmission mechanism includes a transmission rack 2 7 that can move vertically up and down and has transmission teeth on both sides of the left and right sides. The left and right transmission teeth of the transmission rack 2 7 are respectively engaged with gears 2 71, and the gear 2 71 They are respectively connected to the respective corresponding transmission gears 73 through transmission shafts 2 72, and the transmission gears 2 73 are respectively engaged with the meshing teeth on the driven rack 2 74 that can move laterally, and the rear sliding mechanism includes There are brackets 75 and rollers 66 arranged on the brackets 75, the bottoms of the driven racks 2 74 are respectively fixed with the corresponding brackets 75, and the rollers 66 can roll with the guide rails along the corresponding guide rails 55 respectively. 55 are fitted together, and the rear portion of the transmission rack 2 7 is fixed to the sliding part 2 through another connecting plate 27 . The driving device includes a drive motor 8 and a transmission tooth block 81 that can move forward and backward. The output shaft of the drive motor 8 is meshed with the transmission tooth block 81 through a transmission gear 3 80, and the transmission tooth block 81 can slide forward and backward. It is arranged on the machine body 1, and the top surface of the transmission tooth block 81 is linked with the rear slide plate 42 through the connecting block 82.

The above-mentioned clamp 51 includes a clamping block 57 and a push spring 56. The clamping block 57 is located in the opposite direction of the clamping rod 5 and has a gap 571 capable of clamping the workpiece 20. The clamping block 57 can respectively It is slidably arranged in the corresponding chute of the clamping rod 5 left and right, and the tail of the clamping block 57 is respectively supported together with the corresponding pushing springs 56 fixed on the clamping rod 5 .

Above-mentioned jacking mechanism comprises pull bar 11, the fork 12 that can swing up and down, and the middle part of described cushion mold one 24, cushion mold two 25 and cushion mold three 26 is respectively provided with vertical cavity 28, and in described vertical Cavities 28 are respectively provided with jacking bars 13 that can move up and down, and said jacking bars 13 can protrude and retract from the top surface of the vertical inner cavity 28, and the bottom ends of said jacking bars 13 are respectively connected to The middle part of the swing rod 12 is supported together, one end of the swing rod 12 is rotatably connected with the bottom of the body 1 through a rotating shaft 121, and the other end of the swing rod 12 is movably connected with the lower end of the pull rod 11, and the pull rod The upper end of 11 can be connected with sliding part 2 movably.

The transmission device of the present embodiment includes a transmission motor 9, a transmission wheel 91, a rotating wheel 92, and a rotation shaft 93. The output shaft of the transmission motor 9 is linked with the transmission wheel 91 through a transmission belt 94, and the transmission wheel 91 passes through The rotating shaft 93 is interlocked with the rotating wheel 92, and a crankshaft 95 is arranged between the transmission wheel 91 and the rotating wheel 92, and two driving blocks 96 capable of driving the sliding part 2 to move up and down are arranged on the crankshaft 95. The transmission motor 9 and the driving motor 8 are respectively connected to the program control unit 14 through wires.

The working principle of the present invention is as follows: firstly place the heated workpiece on the stand, then clamp the workpiece by the clamper in the clamping bar, transport the workpiece backward to the cushion mold 1, the clamper Moving away from the left and right sides, the first stamping die stamps the workpiece to the thickness of the specification, and then the first stamping die rises with the sliding part, and lifts the workpiece from the pad mold 1 through the jacking mechanism, and then there is a clamper Clamp the stamped pressurized part to the pad die 2, move the clamper to the left and right, the second stamping die punches the processed part out of the through hole of the specification, and then the second stamping die rises with the sliding part, and passes through The jacking mechanism lifts the workpiece from the second pad die, and the clamper clamps the stamped pressurized part to the third pad die, and the clamper moves to the left and right, and the third punching die lifts the workpiece The finished product is stamped and formed, and when the third stamping die rises with the sliding part, the finished product is lifted from the third pad die by the jacking mechanism, and the stamped finished product is clamped and transported by the clamper to the discharge section, and repeat the above process successively.

Claims (8)

1. A stamping machine, comprising a body (1), a transmission device and a stamping device, the stamping device comprising a stamping part and a sliding part (2), and the sliding part (2) can be moved up and down and placed on the body (1) Above, the stamping part is fixed to the lower part of the sliding part (2), and the upper part of the sliding part (2) is linked with the transmission device, and a place for placing the processing part (20) is arranged directly below the stamping part. The pad mold for stamping processing is characterized in that: the body (1) is provided with a jacking mechanism that can lift up the processed workpiece (20) placed in the pad mold, and the machine body ( 1) is also provided with a conveying device that can gradually transfer the upwardly lifted workpiece (20) to the discharge part (10); the stamping part includes a first stamping die (21), a second stamping die (22) ), the third stamping die (23), the first stamping die (21), the second stamping die (22), and the third stamping die (23) are arranged on the sliding part (2) at intervals successively, and the pad Die comprises cushion mold one (24), cushion mold two (25) and cushion mold three (26), and described cushion mold one (24), cushion mold two (25) and cushion mold three (26) are respectively arranged on corresponding Just below the first stamping die (21), the second stamping die (22), and the third stamping die (23); the conveying device includes a front positioning frame (3) and a fixed anchor frame fixed on the front portion of the body (1). The rear positioning frame (4) and the clamping rod (5) on the tail of the body (1), the clamping rods (5) are arranged in the body (1) parallel to each other and can move towards and away from each other. The front part of the clamp bar (5) is arranged on the front positioning frame (3), the rear part of the clamp bar (5) is arranged on the rear positioning frame (4), and the bottom of the clamp bar (5) is arranged There is a clamper (51) that can clamp the workpiece (20) in an open and closed manner. The front part of the clamping rod (5) is linked with the sliding part (2) through the front transmission mechanism. The clamping rod The rear part of (5) is interlocked with the sliding part (2) through the rear transmission mechanism, and a driving device capable of driving the clamp rod (5) to move back and forth is provided on the rear positioning frame (4). (51) A stand (30) for placing the workpiece (20) is provided at the corresponding position. 2. The stamping machine according to claim 1, characterized in that: the front positioning frame (3) includes a front guide plate (31) and a front slide plate (32) fixed on the machine body (1), and in the The top surface of the front slide plate (32) is provided with a slide block (321), and the top surface of the slide block (321) can slide forward and backward and be embedded on the guide rail (311) on the bottom surface of the front guide plate (31). The bottom surface of the front slide plate (32) is provided with a transverse slide rail (322), and the front top surface of the clamp bar (5) is respectively provided with a slide head (52) that can slide along the slide rail (322). A guide rail (54) is arranged on the top of the clamp bar (5) at the rear of the sliding head (52), and the guide rail (54) is arranged together with the front transmission mechanism through the front sliding mechanism. 3. The stamping machine according to claim 2, characterized in that: the front transmission mechanism includes a transmission rack (6) that can move vertically up and down and has transmission teeth on both sides of the left and right sides. 6) gears (61) are respectively meshed on the transmission teeth on the left and right sides, and the gears (61) are respectively connected with the respective corresponding transmission gears (63) through transmission shafts (62), and the transmission gears (63) are respectively Engaged with the meshing teeth on the driven rack (64) that can move laterally, the front sliding mechanism includes a frame (65) and a roller (66) arranged on the frame (65). The moving racks (64) are respectively fixed with the corresponding frame bodies (65), and the rollers (66) can be fitted together in a rolling manner along the corresponding guide rails (54), respectively, and the driving racks (6 ) is fixed with the sliding part (2) by the connecting plate (27). 4. The stamping machine according to claim 3, characterized in that: the rear positioning frame (4) includes a rear guide plate (41) and a rear slide plate (42) fixed on the machine body (1), and in the The top surface of the rear slide plate (42) is provided with a slider (421), and the top surface of the slider (421) can be slidably embedded in the guide bar (411) on the bottom surface of the rear guide plate (41), A horizontal slide rail bar (422) is provided on the bottom surface of the rear slide plate (42), and the rear top surface of the clamp bar (5) is respectively provided with slider blocks ( 53), a guide rail (55) is arranged on the top of the clamp bar (5) at the front of the slider block (53), and the guide rail (55) is arranged together with the rear transmission mechanism through the rear sliding mechanism. 5. The stamping machine according to claim 4, characterized in that: the rear transmission mechanism includes a transmission rack two (7) that can move vertically up and down and has transmission teeth on both sides of the left and right sides. Two gears (71) are respectively engaged with the left and right transmission teeth of two (7), and the two gears (71) are respectively connected with the two corresponding transmission gears (73) through the transmission shaft two (72), and the transmission gears Two (73) are respectively meshed with the meshing teeth on the driven rack two (74) that can move laterally, and the rear sliding mechanism includes a bracket (75) and a roller (66) that is arranged on the bracket (75). , the bottoms of the driven rack two (74) are respectively fixed with the corresponding brackets (75), and the rollers (66) can be fitted together rollingly along the corresponding guide rails (55). The rear portion of the transmission rack two (7) is fixed with the sliding part (2) by another connecting plate (27). 6. The stamping machine according to claim 5, characterized in that: the drive device includes a drive motor (8) and a transmission tooth block (81) capable of moving forward and backward, and the output shaft of the drive motor (8) passes through The transmission gear three (80) meshes with the transmission tooth block (81), and the transmission tooth block (81) is arranged on the body (1) so as to slide back and forth, and passes through the top surface of the transmission tooth block (81). The connecting block (82) is linked together with the rear slide plate (42). 7. The stamping machine according to any one of claims 1 to 6, characterized in that: the clamper (51) includes a clamping block (57), a push spring (56), and the clamping block ( 57) There are gaps (571) that can clamp the workpiece (20) in the opposite direction of the clamp bar (5), and the clamping blocks (57) are respectively arranged on the corresponding sides of the clamp bar (5) so that they can slide left and right. In the chute, the tails of the clamping blocks (57) are respectively supported together with the corresponding push springs (56) fixed on the clamping rod (5). 8. The stamping machine according to any one of claims 1 to 6, characterized in that: the jacking mechanism includes a pull rod (11) and a swing rod (12) capable of swinging up and down, and the first cushion mold (24 ), the middle part of cushion mold two (25) and cushion mold three (26) are provided with vertical cavity (28) respectively, in described vertical cavity (28), be respectively provided with the jacking bar that can move up and down ( 13), the jacking bar (13) can be stretched out and retracted from the top surface of the vertical cavity (28), and the bottom end of the jacking bar (13) is connected to the bottom of the swing bar (12) respectively. The middle part is supported together, one end of the swing rod (12) is rotatably connected with the bottom of the body (1) through the rotating shaft (121), and the other end of the swing rod (12) is movable with the lower end of the pull rod (11) connected, the upper end of the pull rod (11) can be movably connected with the sliding part (2).