CN204249382U - A kind of punch press auto feed, pay-off - Google Patents

Abstract

The utility model discloses an automatic material feeding and feeding device for a punching machine. The single machine table of the punching machine includes a motor, a belt, a flywheel arranged in the middle of the frame, a crankshaft, a connecting rod and a punch arranged on the top of the frame, and a bottom of the frame. Structures such as the swing arm shaft, the swing arm holder, the swing arm, the connecting rod, the swing rod and the swing rod holder. The automatic feeding and feeding device for the punch provided by the utility model can realize the automatic feeding, feeding and returning operation of the punch provided by the utility model, which reduces the manual participation in the processing operation and greatly improves the processing efficiency .

Description

An automatic feeding and feeding device for a punching machine

technical field

The utility model relates to the technical field of machining equipment, in particular to an automatic feeding and feeding device for a punching machine.

Background technique

A punch press is a stamping machine commonly used for metal stamping processing parts. A punch press is a stamping press. In national production, the stamping process has the advantages of saving materials and energy, high efficiency, low technical requirements for operators, and the ability to produce products that cannot be achieved by mechanical processing through various mold applications. Its use is more and more extensive. The punch press is a special equipment used to mass produce fasteners such as nuts and bolts. Punching machines generally apply a certain pressure on the metal blank at room temperature according to the theory of metal plastic deformation, so that it can undergo plastic deformation in the mold cavity (that is, in the predetermined mold) and form it according to the specified shape and size. Stamping punch production can also be processed for sheet metal. Through the mold, blanking, punching, forming, deep drawing, trimming, fine blanking, shaping, riveting and extrusion parts can be made, which are widely used in various fields.

However, the feeding and feeding of the punch press in the prior art is generally realized manually, or the feeding and feeding functions are realized by means of external feeding equipment, mechanical arms and the like.

Obviously, by manual feeding or feeding, it is easy to cause safety accidents, which will bring great losses to the enterprise and workers; using external feeding, feeding equipment or using mechanical arm feeding will increase the production cost of the enterprise, and external Devices also take up a lot of space. The driving structures of various punch presses are not uniform, and it is impossible for them to realize fast and convenient connection (that is, connection) with external equipment.

Therefore, how to overcome the technical defects of the punch press in the prior art is a problem to be solved urgently by those skilled in the art.

Utility model content

The purpose of this utility model is to provide an automatic feeding and feeding device for a punching machine to solve the above problems.

In order to achieve the above object, the technical solution of the utility model is achieved in that:

The utility model provides an automatic feeding and feeding device for a punching machine. The single punching machine includes a motor, a belt, a flywheel, a flywheel shaft 4 arranged in the middle of the frame, and a crankshaft 3, a connecting rod 2 and a punch 1 arranged on the top of the frame. And the swing arm shaft 39, the swing arm holder 8, the swing arm 27, the connecting rod 28, the swing rod 6 and the swing rod holder 7 arranged at the bottom of the frame;

One end of the belt is sleeved on the output shaft of the motor, and the other end of the belt is sleeved on the flywheel; the flywheel is coaxially connected with the flywheel shaft 4; On the flywheel shaft 4 of the stand-alone platform, the first power connection sprocket LL002, the second power connection sprocket LL003, the fourth power connection sprocket LL005 and the power connection chain LT003 are keyed in sequence; After the single punching machine is connected and combined, the power connection chain LT003 is respectively sleeved on the fourth power connecting sprocket LL005 of the single punching machine at the rear end and the single punching machine at the front end;

The first power connection sprocket LL002 is chain-connected with the first main sprocket LL001 through the main engine chain LT001; the first main sprocket LL001 is coaxially connected with the crankshaft 3, and the bottom of the crankshaft 3 is connected The connecting rod 2 is fixedly connected; the bottom of the connecting rod 2 is fixedly connected with the punch 1; when the first main sprocket LL001 rotates, it is used to drive the punch 1 to reciprocate in the vertical direction;

The second power connection sprocket LL003 is connected to the secondary sprocket LL006 through the secondary machine chain LT002; the secondary sprocket LL006 is coaxially connected to the swing arm shaft 39; the swing arm fixing seat 8 is used The swing arm 27 is fixed; the swing arm shaft 39 is connected to one end of the swing arm 27 through the swing arm holder 8 and rotated coaxially with the other end of the swing arm 27; the other end of the swing arm 27 is connected to the connecting rod 28 One end of the connecting rod is hinged; the other end of the connecting rod 28 is fixedly connected with the end rod joint 26; the end rod joint 26 is hinged with the swing rod 6;

The bottom end of the swing rod 6 is hinged on the swing rod fixing seat 7; the top end of the swing rod 6 is fixedly connected with the moving plate 10; it is used to drive when the second power connection sprocket LL003 rotates. The moving plate 10 reciprocates horizontally back and forth.

Preferably, as a possible implementation, the flywheel shaft 4 is also sleeved with a cam 29; the cam 29 fits with the ejector slider 30; the cam 29 is used to drive the ejector slider when rotating Block 30 reciprocates up and down.

Preferably, as a possible implementation, a linkage mechanism is also provided between the top end of the swing rod 6 and the moving plate 10; the linkage mechanism includes a guide rod 9, a linear bearing 33, and a bearing 34;

The top of the swing rod 6 is fixedly connected to one end of the bearing 34; the other end of the bearing 34 is fixedly connected to the linear bearing 33; the guide rod 9 passes through the moving plate 10 and the linear bearing in turn. Bearing 33 ; the linear bearing 33 is fixedly connected with the moving plate 10 . The bottom of the punch 1 is also fixedly connected with an upper die 48 .

Preferably, as a possible embodiment, the stand-alone punching machine also includes a guide rail 11, a slider 12, a guide groove plate 13, a spacer 14, an adjustment block 15, a card position 16, a guide wheel fixing plate 17, a spring 18, Sheave bearing 19, pressure plate 20;

The slider 12 is slidably connected with the guide rail 11; the top surface of the slider 12 is fixedly connected with a guide wheel fixing plate 17, a spacer 14, an adjustment block 15, and a clamping position 16 in sequence; The bottom is provided with a sheave bearing 19 and the spring 18; the spring 18 is also provided between the moving plate 10 and the pressing plate 20; The guide wheel fixing plate 17 on the slider 12 moves left and right in the horizontal direction in the guide groove plate 13 . The spring 18 is a V-shaped compression spring.

Preferably, as a possible implementation, the stand-alone punching machine also includes a clip 22 and a clip fixing plate 23;

When the guide wheel fixing plate 17 moves left and right, it is used to drive the clip 22 through the cushion block 14, the adjusting block 15, and the clip fixing plate 23 to realize clamping and loosening of the product. And then realize the function of automatic stamping and feeding.

Preferably, as an implementation solution, the main machine chain LT001 is also chain-connected with a pressure wheel LL007. The auxiliary machine connecting machine chain LT002 is also chain-connected with a pressure wheel LL008.

Preferably, as a possible implementation, it also includes a front connection block 24 and a rear connection block 25; the front connection block 24 is arranged in a positive L shape, and the bottom of the front connection block 24 is provided with a flange and a groove The front connecting block 24 has the same structure as the rear connecting block 25; the rear connecting block 25 is arranged in an inverted L shape, and the top of the rear connecting block 25 is provided with a flange and a groove.

Compared with the prior art, the utility model embodiment has the advantages of:

Analyzing the structure of the automatic feeding and feeding device of the punch press, it can be seen that the automatic feeding and feeding device of the punch press mainly realizes the operation of automatic feeding and feeding through a plurality of transmission sprockets. One end of the belt is sleeved on the output shaft of the motor, and the other end of the belt is sleeved on the flywheel; the flywheel is coaxially connected with the flywheel shaft 4; in this way, after the motor rotates, it will drive the first key connected to the flywheel shaft 004. The power connection sprocket LL002, the second power connection sprocket LL003, and the fourth power connection sprocket LL005 rotate synchronously. Simultaneously, the first power connecting sprocket LL002 is connected with the first main sprocket LL001 chain through the main engine connecting chain LT001; the first main sprocket LL001 is connected with the crankshaft 3 coaxial rotation, and the bottom of the crankshaft 3 is fixedly connected with the connecting rod 2; The bottom of the connecting rod 2 is fixedly connected with the punch 1; since the highest point and the lowest point can be changed when the crankshaft rotates, the connecting rod 2 and the punch 1 can be driven to move up and down. To sum up, when performing a specific processing operation, the main driving function of the first power connection sprocket LL002 is to finally drive the punch and the upper die downward to perform the stamping processing operation.

In addition, the second power connecting sprocket LL003 rotates, and drives the secondary sprocket LL006 through the auxiliary machine connecting chain LT002 to realize synchronous rotation. Simultaneously secondary sprocket LL006 is coaxially connected with swing arm shaft 39; The other end is hinged with one end of connecting rod 28; the other end of said connecting rod 28 is fixedly connected with end rod joint 26; end rod joint 26 is hinged with fork 6 (above-mentioned linkage mechanism has formed crank linkage); The bottom end of the rod 6 is hinged on the swing rod holder 7; the top end of the swing rod 6 is fixedly connected with the moving plate 10; like this, the moving plate will be pushed forward and backward horizontally under the rotation of the swing arm 27. To sum up, when performing a specific processing operation, the second power connection sprocket LL003 is used to drive the moving plate 10 to reciprocate horizontally back and forth when rotating. When the moving plate 10 moves back and forth, the pressing plate 20 makes the guide wheel fixing plate 17 on the slide block 12 move left and right in the guide groove plate 17 under the action of the spring 18 . The guide wheel fixing plate 17 clamps the product 21 through the spacer 14, the adjusting block 15, the clip fixing plate 23, and the clip 22, thereby realizing automatic stamping and feeding operations.

In addition, the flywheel shaft 4 is also sleeved with a cam 29; the cam 29 is attached to the ejector slider 30; and the cam 29 is used to drive the ejector slider 30 to reciprocate up and down when rotating. The ejector slide block 30 can realize the operation of returning material when moving up and down.

The automatic feeding and feeding device for the punch press provided by the utility model can realize automatic feeding, feeding and returning operations; the automatic feeding and feeding device for the punch press provided by the embodiment of the utility model has reliable performance, high efficiency and high product quality in production. Stablize.

Description of drawings

In order to more clearly illustrate the specific implementation of the utility model or the technical solutions in the prior art, the accompanying drawings that need to be used in the description of the specific implementation or the prior art will be briefly introduced below. Obviously, the following descriptions The accompanying drawings are some implementations of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative work.

Fig. 1 is a three-dimensional structural schematic diagram of a punch stand-alone state provided by the embodiment of the present invention;

Fig. 2 is a three-dimensional structural schematic diagram of another state of a punch single machine provided by the embodiment of the present invention;

FIG. 3 is an enlarged schematic view of a partial three-dimensional structure of FIG. 1;

Fig. 3 a is the left side view of Fig. 3;

Figure 3b is a rear view of Figure 3;

Figure 3c is a top view of Figure 3;

Fig. 3d is the right side view of Fig. 3;

Fig. 3e is a schematic diagram of a partially enlarged structure of Fig. 3d;

Fig. 3f is a schematic diagram of a partially enlarged structure of Fig. 3e;

Fig. 4 is a schematic diagram of the three-dimensional structure of the combined punch provided by the embodiment of the present invention;

Figure 4a is a schematic diagram of a partially enlarged structure of Figure 4;

Fig. 5 is the left side view of Fig. 4;

Fig. 6 is the right side view of Fig. 4;

Fig. 7 is the bottom bottom view of Fig. 4;

FIG. 8 is a rear view of FIG. 4 .

Detailed ways

The technical solutions of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the utility model, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, use a specific The azimuth structure and operation, therefore can not be construed as the limitation of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

The utility model will be described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.

Referring to Fig. 3 , a kind of punch press automatic feeding and feeding device provided by the embodiment of the present invention, the punch press single machine includes a motor, a belt, a flywheel arranged in the middle of the frame, and a crankshaft 3, a connecting rod 2 and a crankshaft arranged on the top of the frame. Punch 1 and swing arm shaft 39, swing arm holder 8, swing arm 27, connecting rod 28, swing rod 6 and swing rod holder 7 arranged at the bottom of the frame; (see Fig. 3a, Fig. 3b, Fig. 3c, the specific structures shown in Fig. 3d, Fig. 3e and Fig. 3f)

One end of the belt is sleeved on the output shaft of the motor, and the other end of the belt is sleeved on the flywheel; the flywheel is coaxially connected with the flywheel shaft 4; The flywheel shaft 004 of the stand-alone platform is also keyed in sequence with the first power connection sprocket LL002, the second power connection sprocket LL003, the fourth power connection sprocket LL005 and the power connection chain LT003; After the single punching machine is connected and combined, the power connection chain LT003 is respectively sleeved on the fourth power connecting sprocket LL005 of the single punching machine at the rear end and the single punching machine at the front end;

The first power connection sprocket LL002 is chain-connected with the first main sprocket LL001 through the main engine chain LT001; the first main sprocket LL001 is coaxially connected with the crankshaft 3, and the bottom of the crankshaft 3 is connected The connecting rod 2 is fixedly connected; the bottom of the connecting rod 2 is fixedly connected with the punch 1; when the first main sprocket LL001 rotates, it is used to drive the punch 1 to reciprocate in the vertical direction; To sum up, the main driving function of the first power connection sprocket LL002 is to finally drive the punch and the upper die downward to perform stamping processing operations.

The second power connection sprocket LL003 is connected to the secondary sprocket LL006 through the secondary machine chain LT002; the secondary sprocket LL006 is coaxially connected to the swing arm shaft 39; the swing arm fixing seat 8 is used The swing arm 27 is fixed; the swing arm shaft 39 is connected to one end of the swing arm 27 through the swing arm holder 8 and rotated coaxially with the other end of the swing arm 27; the other end of the swing arm 27 is connected to the connecting rod 28 One end of the connecting rod is hinged; the other end of the connecting rod 28 is fixedly connected with the end rod joint 26; the end rod joint 26 is hinged with the swing rod 6;

The bottom end of the swing rod 6 is hinged on the swing rod fixing seat 7; the top end of the swing rod 6 is fixedly connected with the moving plate 10; it is used to drive when the second power connection sprocket LL003 rotates. The moving plate 10 reciprocates horizontally back and forth. To sum up, the main driving function of the second power connection sprocket LL003 is to finally drive the moving plate 10 to reciprocate horizontally back and forth, and finally drive to realize the operation of clip clamping and loosening, that is, feeding and unloading. The embodiment of the utility model mainly protects the multifunctional machine body connection device, the power connection sprocket device, and the lifting platform device, and the above-mentioned stamping feeding device will not be described in detail one by one.

To sum up, the main function of the fourth power connection sprocket LL005 and power connection chain LT003 (wherein the bottom of the power connection chain LT003 is also connected with a pressure sprocket LL009) is to realize the linkage of multiple machines.

Analyzing the above structure, we can see that referring to Fig. 1 and Fig. 2, the stand-alone punching machine specifically includes the following structural components: punch 1, connecting rod 2, crankshaft 3, flywheel shaft 4, flywheel, swing rod 6, swing rod fixing seat 7, pendulum Arm fixing seat 8, guide rod 9, moving plate 10, guide rail 11, slider 12, guide groove plate 13, spacer block 14, adjustment block 15, card position 16, guide wheel fixing plate 17, spring 18, sheave bearing 19 , pressing plate 20, product 21, clip 22, clip fixed plate 23, front connecting block 24, rear connecting block 25; End bar joint 26, swing arm 27, connecting rod 28, cam 29, ejector slide block 30, bearing marked), bearing fixture (not marked), linear bearing 33, bearing 34, lower rear connecting block 35 and lower front connecting block 36; motor (not marked), belt (not marked), swing arm shaft 39, ejector slide Block bearing 40; bearing fixture (not marked); lifting screw 42, adjusting disc 43, screw fixing block 44, lifting base 45, bottom plate 46, lower mold 47 and upper mold 48, oil separator 49, clutch cylinder 50 etc. structures (see also Fig. 3, Fig. 3a, Fig. 3b, Fig. 3c, Fig. 3d, Fig. 3e and Fig. 3f).

Analyzing the above driving linkage structure, we can know the following driving process:

1. When the motor is started, the flywheel is driven by the belt, and the flywheel shaft 4 drives the first power connection sprocket LL002, the second power connection sprocket LL003, the third power connection sprocket LL004, and the fourth power connection sprocket LL005 to rotate. The chain wheel LL002 is driven by the main chain LT001 of the main engine to make the crankshaft 3 rotate, and then the chain bar 2 pushes the punch 1 to run up and down.

2. Simultaneously, the second power connection sprocket LL003 is driven by the secondary chain LT002 of the auxiliary machine to drive the secondary sprocket LL006, the swing arm shaft 39 rotates, the swing arm 27 pushes the connecting rod 28, and the swing rod 6 moves. Make the movable plate 10 move back and forth.

3. When the moving plate 10 moves back and forth, the pressure plate 20 makes the guide wheel fixing plate 17 on the slider 12 move left and right in the guide groove plate 13 under the action of the spring 18 .

4. The guide wheel fixing plate 17 clamps the product 21 through the cushion block 14, the adjusting block 15, the clip fixing plate 23, and the clip 22, so as to realize the functions of automatic stamping and feeding.

5. Due to the diversification of the stamping process, the connection and fixation and mechanical linkage can be realized through the multifunctional body connection device and the power connection sprocket device, thereby realizing the needs of multi-station and multi-process production.

The specific structure of the utility model embodiment is described in detail below:

Preferably, as a possible implementation, the flywheel shaft 4 is also sleeved with a cam 29; the cam 29 fits with the ejector slider 30; the cam 29 is used to drive the ejector slider when rotating Block 30 reciprocates up and down.

Preferably, as a possible implementation, a linkage mechanism is also provided between the top end of the swing rod 6 and the moving plate 10; the linkage mechanism includes a guide rod 9, a linear bearing 33, and a bearing 34;

The top of the swing rod 6 is fixedly connected to one end of the bearing 34; the other end of the bearing 34 is fixedly connected to the linear bearing 33; the guide rod 9 passes through the moving plate 10 and the linear bearing in turn. Bearing 33 ; the linear bearing 33 is fixedly connected with the moving plate 10 . The bottom of the punch 1 is also fixedly connected with an upper die 48 .

Preferably, as a possible embodiment, the stand-alone punching machine also includes a guide rail 11, a slider 12, a guide groove plate 13, a spacer 14, an adjustment block 15, a card position 16, a guide wheel fixing plate 17, a spring 18, Sheave bearing 19, pressure plate 20;

The slider 12 is slidably connected with the guide rail 11; the top surface of the slider 12 is fixedly connected with a guide wheel fixing plate 17, a spacer 14, an adjustment block 15, and a clamping position 16 in sequence; The bottom is provided with a sheave bearing 19 and the spring 18; the spring 18 is also provided between the moving plate 10 and the pressing plate 20; The guide wheel fixing plate 17 on the slider 12 moves left and right in the horizontal direction in the guide groove plate 13 . The spring 18 is a V-shaped compression spring.

Preferably, as a possible implementation, the stand-alone punching machine also includes a clip 22 and a clip fixing plate 23;

When the guide wheel fixing plate 17 moves left and right, it is used to drive the clip 22 through the spacer 14 and the adjusting block 15 and the clip fixing plate 23 to realize clamping and loosening of the product. So as to realize the function of automatic stamping and feeding.

Preferably, as an implementation solution, the main machine chain LT001 is also chain-connected with a pressure wheel LL007. The auxiliary machine connecting machine chain LT002 is also chain-connected with a pressure wheel LL008.

Preferably, as a possible implementation, the front connecting block 24 is set in a positive L shape, and the bottom of the front connecting block 24 is provided with a flange part and a groove part; the front connecting block 24 and the rear The connecting blocks 25 have the same structure; the rear connecting block 25 is arranged in an inverted L shape, and the top of the rear connecting block 25 is provided with a flange portion and a groove portion.

In addition, it should be noted that multiple punch single machines can also be combined into a combined punch machine, that is, through the multi-function body connecting device and the power connection sprocket device arranged between any two adjacent punch single machines to realize connection, fixation and mechanical linkage . The multifunctional body connecting device comprises a front connecting block 24 arranged at the front end of each single punch stand, a rear connecting block 25 at the rear end (as shown in Figure 7 ) and a lower front end arranged at the bottom front end of each single punch stand. Front connection block 36, the lower rear connection block 35 of the bottom rear end; The rear connection block 25 of the punch stand is snap-fitted; the lower front connection block 36 at the front end of the punch stand at the rear end is bolted to the lower rear connection block 35 of the punch stand at the front end;

The power connection sprocket device includes a fourth power connection sprocket LL005 and a power connection chain LT003 that are arranged on the flywheel shaft 4 of each single punch stand and are keyed; After the tables are connected and combined, the power connection chain LT003 is respectively sleeved on the fourth power connection sprocket LL005 of the single punch machine table located at the rear end and the single press machine table located at the front end.

The most important thing is that the above-mentioned stand-alone punching machine involves many improved structures, such as: front connecting block 24, rear connecting block 25, lower connecting block 35 and upper connecting block 36; lifting screw 42, adjusting disc 43, screw fixing Block 44, elevating base 45 or the like structure. Realize the connection of a plurality of single punch presses by the multi-functional machine body connection device (that is, include the front connection block 24, the rear connection block 25, the lower connection block 35 and the upper connection block 36), and connect the sprocket device through the power (that is, include the first connection block) The four-power connection sprocket LL005 and the power connection chain LT003 have realized the linkage of multiple machines (that is, as shown in the online combination diagram in the attachment: 1. Through the body connection block, the front connection block 24, the rear connection block 25, the lower connection block 35 and The upper connection block 36 and the fourth power connection sprocket LL005 use the power connection chain LT003 to realize multi-machine connection, thereby realizing multi-station and multi-process production. The lifting table device is also used to realize the lifting of the mold table, which greatly improves It improves the interchangeability of old and new molds, saves high mold costs for enterprises, and is environmentally friendly and efficient.

In a specific structure, the universal automatic combined punch press further includes a lifting platform device; the lifting platform device is used to drive the mold table to move vertically. The mold table includes a lower mold 47 .

Referring to Fig. 8, the above-mentioned lifting table device specifically includes a lifting screw 42, an adjusting disc 43, a screw fixing block 44, a lifting base 45, and a bottom plate 46 which are located at the bottom of each of the single punching machines and are sequentially arranged from bottom to top;

The lifting base 45 and the lifting screw 42 form a threaded screw pair; the bottom end of the lifting screw 42 is threadedly connected with the lifting base 45, and the top of the lifting screw 42 is connected with the adjusting disc 43 respectively. 1. The screw fixing block 44 is threadedly connected and against the bottom plate 46 ; the bottom plate 46 is fixedly connected with the lower die 47 . The lifting screw 42 is used to drive the lower mold 47 to move vertically when rotating.

From the analysis of the above structure, it can be known that the lifting screw 42 at the bottom of the punching machine is rotated. Due to the action of the threaded screw pair, the lifting screw 42 will drive the adjustment disc 43, the screw fixing block 44, the lifting base 45, and the bottom plate 46 to realize the lifting of the mold table. . Wherein, the top of the lifting screw rod 42 is threadedly connected with the adjusting disc 43 and the screw rod fixing block 44 respectively, and is against the bottom plate 46 . In this way, base plate 46 will move up and down, and because base plate 46 is fixedly connected with lower mold 47, lower mold 47 will complete the lifting operation under the effect of lifting platform device.

Wherein, referring to Fig. 3a, the front connecting block 24 is arranged in a positive L shape, and the bottom of the front connecting block 24 is provided with a flange portion and a groove portion; the front connecting block 24 and the rear connecting block 25 have a structure The same; the rear connection block 25 is arranged in an inverted L shape, and the top of the rear connection block 25 is provided with a flange portion and a groove portion.

When the two adjacent single punching machines are connected and combined, the flange portion of the front connecting block 24 of the single punching machine positioned at the rear end and the groove of the rear connecting block 25 of the single punching machine positioned at the front end Internal snap fit.

It should be noted that the above-mentioned snap connection has many technical effects, for example, the front connection block 24 is snap-connected with the rear connection block 25 on another punch stand, that is, the front connection block of the punch stand at the rear end The flange part of 24 is embedded and connected to the groove part of the rear connecting block 25 of the punch stand at the front end to form an integral locking mechanism (that is, the gap is ingeniously tightly connected after matching, and the fixed structure is stable). The biggest feature of the snap connection is It is easy to install and disassemble, and can be disassembled without tools.

Preferably, as a possible implementation, the surfaces of the lower front connecting block 36 and the lower rear connecting block 35 are both provided with a plurality of threaded holes. When two adjacent single punching machines are connected and combined, the threaded hole of the lower front connection block 36 of the single punching machine at the rear end is connected with the lower rear of the single punching machine at the front end The threaded holes of the block 35 are provided in one-to-one correspondence. The threaded holes are all fixedly connected by bolts.

It should be noted that the bottoms of multiple punch single machines can be fixed through the above-mentioned bolt connection, so as to ensure the integrity of multiple punch single machines and create a stable overall structure for the stable transmission of its power connection sprocket device.

Those skilled in the art should be able to understand that the punch press of the embodiment of the utility model includes structures such as a frame, a workbench, and a mold box from bottom to top, and the comparison of the embodiments of the utility model will not repeat them one by one. Due to the more direct linear stamping method, the above structure is simpler and more efficient; it saves a lot of processing time, reduces processing costs, and reduces the waste of workpieces. Its processing efficiency is about several times that of turning processing. Ensure that the punching force is evenly impacted in the mold cavity, improve the impact accuracy, and ensure the quality stability of the formed workpiece (or product).

The punching machine provided by the embodiment of the utility model has simple structure, simpler operation and higher processing efficiency, and overcomes the technical defect of single machine and single station processing operation in the prior art, effectively reducing the cost. Due to the more direct linear stamping method, the above structure is simpler and more efficient; it saves a lot of processing time, reduces processing costs, and reduces the waste of workpieces. Its processing efficiency is about several times that of turning processing.

The automatic feeding and feeding device of the punching machine involved in the embodiment of the utility model can realize the step processing of stamping forming, and realize the automatic material return of the workpiece during the impact and retreat process, and adopt the direct stamping method for step processing, which makes the operation easier and the processing efficiency higher. High, reducing the waste of materials effectively reduces the cost. The automatic feeding and feeding device for a punching press related to the embodiment of the utility model has a simpler structure, an efficient working method, and is characterized by easy maintenance.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the various embodiments of the present invention Scope of technical solutions.

Claims (10)

1. punch press auto feed, a pay-off, is characterized in that,

Punch press unit platform comprises the motor, belt, flywheel, the flywheel shaft (4) that are arranged on central rack and is arranged on the bent axle (3) of frame top, connecting rod (2) and drift (1) and is arranged on arm shaft (39) bottom frame, swing arm holder (8), swing arm (27), connecting rod (28), fork (6) and fork holder (7);

One end of described belt is socketed on the output shaft of described motor, and the other end of described belt is socketed on described flywheel; Described flywheel is connected with described flywheel shaft (4) coaxial rotation; On the flywheel shaft (4) of each described punch press unit platform, also key is connected with the first power connection sprocket wheel (LL002) successively, the second power connects sprocket wheel (LL003), the 4th power connects sprocket wheel (LL005) and power connects chain (LT003); And after adjacent two described punch press unit platforms connect combination, described power connects chain (LT003) and is socketed on described 4th power connection sprocket wheel (LL005) of the described punch press unit platform being wherein positioned at rear end and the described punch press unit platform being positioned at front end respectively;

Described first power connection sprocket wheel (LL002) connects chain bar (LT001) by main frame and is connected with the first head sprocket (LL001) chain; Described first head sprocket (LL001) is connected with described bent axle (3) coaxial rotation, and the bottom of described bent axle (3) is fixedly connected with described connecting rod (2); The bottom of described connecting rod (2) is fixedly connected with described drift (1); When described first head sprocket (LL001) is rotated for driving described drift (1) vertically to move back and forth;

Described second power connection sprocket wheel (LL003) connects chain bar (LT002) by slave and is connected with auxiliary chain wheel (LL006) chain; Described auxiliary chain wheel (LL006) is connected with described arm shaft (39) coaxial rotation; Described swing arm holder (8) is for fixing described swing arm (27); Described arm shaft (39) is connected with one end coaxial rotation of described swing arm (27) through described swing arm holder (8); The other end of described swing arm (27) and one end of described connecting rod (28) hinged; The other end of described connecting rod (28) is fixedly connected with end knock-off joint (26); Described end knock-off joint (26) is hinged with described fork (6);

The bottom of described fork (6) is hinged on described fork holder (7); The top of described fork (6) is fixedly connected with movable plate (10); Connect when sprocket wheel (LL003) rotates for driving described movable plate (10) along horizontal front-rear reciprocation movement at described second power.

2. punch press auto feed according to claim 1, pay-off, is characterized in that,

Described flywheel shaft (4) is also socketed with cam (29); Described cam (29) and liftout slide block (30) are fitted; Described cam (29) rotate time for driving liftout slide block (30) to pump.

3. punch press auto feed according to claim 1, pay-off, is characterized in that,

Also link gear is provided with between the top of described fork (6) and described movable plate (10); Described link gear comprises guide post (9), linear bearing (33), bearing (34);

The top of described fork (6) is fixedly connected with one end of described bearing (34); The other end of described bearing (34) is fixedly connected with described linear bearing (33); Described guide post (9) is successively through described movable plate (10) and described linear bearing (33); Described linear bearing (33) is fixedly connected with described movable plate (10).

4. punch press auto feed according to claim 1, pay-off, is characterized in that,

The bottom of described drift (1) is also fixedly connected with patrix (48).

5. punch press auto feed according to claim 4, pay-off, is characterized in that,

Described punch press unit platform also comprises guide rail (11), slide block (12), guide channel plate (13), cushion block (14), regulating block (15), screens (16), guide wheel fixed head (17), spring (18), sheave bearing (19), pressing plate (20);

Described slide block (12) and described guide rail (11) are slidably connected; The end face of described slide block (12) has been fixedly connected sequentially guide wheel fixed head (17), cushion block (14), regulating block (15), screens (16); The bottom of described guide channel plate (13) is provided with sheave bearing (19) and described spring (18); Described spring (18) is also set between described movable plate (10) and described pressing plate (20); Described movable plate (10), when seesawing, is moved left and right by the horizontal direction in described guide channel plate (13) of the described guide wheel fixed head (17) on the described slide block of driving (12) of described spring (18).

6. punch press auto feed according to claim 5, pay-off, is characterized in that,

Described spring (18) is V-arrangement compression spring.

7. punch press auto feed according to claim 5, pay-off, is characterized in that,

Described punch press unit platform also comprises clip (22), clip fixed head (23);

When described guide wheel fixed head (17) moves left and right, for driving clip (22) realize clamping and unclamp product by cushion block (14), regulating block (15), clip fixed head (23).

8. punch press auto feed according to claim 1, pay-off, is characterized in that,

Described main frame connects chain bar (LT001) goes back chain to be connected with pinch roller (LL007).

9. punch press auto feed according to claim 1, pay-off, is characterized in that,

Described slave connects chain bar (LT002) goes back chain is connected with pinch roller (LL008).

10. punch press auto feed according to claim 1, pay-off, is characterized in that,

Also comprise front contiguous block (24) and rear contiguous block (25); Described front contiguous block (24) is arranged in positive L shape, and the bottom of described front contiguous block (24) is provided with flange part and concave part; Described front contiguous block (24) is identical with described rear contiguous block (25) structure; Described rear contiguous block (25) is arranged in inverted L-shaped, and the top of described rear contiguous block (25) is provided with flange part and concave part.