Upward punching die and punch forming device

Abstract

The utility model provides an upward punching die and a punch forming device. The upward punching die comprises an upper die assembly, a lower die assembly, a punching needle, a press machine, a compressed air source pipe and a waste guide pipe. The upper die assembly is arranged on a top plate of the press machine, and the lower die assembly is arranged on a working table of the press machine; the punching needle is arranged on the lower die assembly in a lifting mode and faces the upper die assembly. The upper die assembly is provided with an air conveying channel, a waste channel and a punching hole. The exhaust end of the air conveying channel communicates with the feeding end of the waste channel. The compressed air source pipe and the waste guide pipe are arranged on the upper die assembly, the compressed air source pipe communicates with the air inlet end of the air conveying flow channel, and the waste guide pipe communicates with the discharging end of the waste channel. The punching end of the punching hole is opposite to the punching needle, the waste discharging end of the punching hole is communicated with the feeding end of the waste channel, waste can enter the waste channel from the punching hole in real time and move to the waste guide pipe along the waste channel under blowing of high-pressure gas, and the waste guide pipe can discharge the waste in time.

Description

Technical Field

[0001] The present disclosure relates to the technical field of mold forming, and in particular to an upward punching mold and a stamping forming device. Background Art

[0002] At present, with the widespread use of drones, the demand for drone parts is also increasing. Most drone parts need to be formed by stamping and punching, and there are a large number of ring parts in drone parts. Due to structural limitations, ring parts are difficult to place in the existing downward punching mold, which leads to difficulties in punching. Therefore, some manufacturers have made further research and development.

[0003] For example, Chinese patent document CN203955857U discloses an upward punching die for chassis side panels, comprising an upper die and a lower die, the upper die comprising an upper die base, an upper splint, and an upper template, the upper template being provided with a stripper plate; the lower die comprising a lower die base, an outer splint, and an outer stripper plate, the outer stripper plate being provided with a lower template, and the chassis side panel is buckled on the lower template; the stripper plate and the upper splint are provided with material strip storage holes, the lower template and the outer splint are provided with punch holes, the upper die base is provided with an upper elastic column, the lower die base is provided with a lower elastic column, the punch hole is provided with a punch, the chassis side panel is provided with a side panel positioning hole, the stripper plate is provided with a stripper plate clearance hole, the lower template is provided with a lower template positioning column, the lower template positioning column passes through the side panel positioning hole and corresponds to the stripper plate clearance hole, the punch corresponds to the hole to be punched of the chassis side panel, and the bottom end of the material strip storage hole located on the stripper plate is a trumpet-shaped opening opened outward.

[0004] However, the above-mentioned design of the upward punching die for the chassis side panel has the following problems:

[0005] Although the above-mentioned upward punching die for the chassis side panel can efficiently process the annular parts, the waste generated by the upward punching of the annular parts will accumulate upward in the storage hole, and the repeated punching process will easily cause the waste to be pressed against each other and block the storage hole, which will make it difficult to clean the waste in the subsequent storage hole. Utility Model Content

[0006] The purpose of the present invention is to overcome the deficiencies in the prior art and provide an upward punching die and a punching forming device that are quick and convenient for waste cleaning.

[0007] The purpose of this disclosure is achieved through the following technical solutions:

[0008] An upward punching die comprises an upper die assembly, a lower die assembly, a punching needle and a press; the upper die assembly is arranged on the top plate of the press, the lower die assembly is arranged on the working table of the press; the punching needle is arranged on the lower die assembly and faces the upper die assembly;

[0009] The upward punching die also includes a compressed air source pipe and a waste conduit;

[0010] The upper mold assembly is provided with an air supply channel, a waste channel and a punching hole, the exhaust end of the air supply channel is connected with the feed end of the waste channel; the compressed air source pipe and the waste conduit are respectively arranged on the upper mold assembly, the compressed air source pipe is connected with the air inlet end of the air supply channel, and the waste conduit is connected with the discharge end of the waste channel; the punching end of the punching hole is arranged opposite to the punching needle, and the waste discharge end of the punching hole is connected with the feed end of the waste channel.

[0011] In one embodiment, the gas delivery channel includes an embedding port, a vertical cavity and a transverse cavity which are connected in sequence; the jet head of the compressed gas source pipe is embedded in the embedding port, and the transverse cavity is connected to the feed end of the waste channel.

[0012] In one embodiment, the jet head includes a connected card block and a nozzle, the card block is embedded in the embedding port; the nozzle is arranged on the card block and extends into the vertical cavity.

[0013] In one embodiment, the waste conduit includes a plug connector and a tube body connected to each other, the plug connector is plugged into the upper mold assembly, and the tube body is connected to the discharge end of the waste channel.

[0014] In one embodiment, the upper mold assembly also includes an upper mold base and a punch group, the punch group is arranged on the upper mold base, and the punching hole is opened on the punch group; the lower mold assembly includes a lower mold base and a die group; the die group is arranged on the lower mold base and opposite to the punch group; the punch needle lifting is arranged on the die group.

[0015] In one embodiment, the punch group includes a punching ring and a convex pressing block, the convex pressing block is arranged on the upper die base, the punching ring is embedded in the convex pressing block, the inner ring of the punching ring forms the punching hole, and the convex pressing block has protruding forming parts on both sides of the punching end of the punching hole.

[0016] In one of the embodiments, the concave die set includes a concave pressure block and a stripping block, and the concave pressure block is provided with a guide groove; the stripping block is slidably disposed in the guide groove and elastically connected to the bottom of the guide groove.

[0017] In one embodiment, a return spring is provided between the stripping block and the guide slot, an upper cavity is provided on the stripping block, a lower cavity is provided at the bottom of the guide slot, the upper cavity and the lower cavity are arranged opposite to each other, the first end of the return spring is located in the upper cavity, and the second end of the return spring is located in the lower cavity.

[0018] In one embodiment, a lifting drive is provided in the press, a telescopic slide groove is provided on the lower die assembly, the punch needle is slidably arranged in the telescopic slide groove, and the telescopic rod of the lifting drive is connected to the punch needle.

[0019] A stamping and forming device comprises the upward punching die of any one of the above embodiments.

[0020] Compared with the prior art, the present invention has at least the following advantages:

[0021] 1) The punch needle is set on the lower mold assembly by lifting and lowering, and is arranged opposite to the punching end of the punching hole of the upper mold assembly. When the upper mold assembly and the lower mold assembly are molded together, the material strip on the lower mold assembly will be punched and cut to form a hole by the rising movement of the punch needle, and the compressed air source pipe is connected to the air inlet end of the air supply channel, and the exhaust end of the air supply channel is connected to the feed end of the waste channel, so that the high-pressure gas in the compressed air source pipe can enter the waste channel through the air supply channel and form a negative pressure at the feed end of the waste channel. Because the waste discharge end of the punching hole is connected to the feed end of the waste channel, the waste will enter the waste channel under the action of negative pressure and move to the discharge end of the waste channel with the blowing of the high-pressure gas, and the discharge end of the waste channel is connected to the waste conduit, so that the waste can smoothly enter the waste conduit and be discharged in time.

[0022] 2) Compared with the upward punching die for chassis side panels in the prior art, after the material plate is punched by the upward punching die, the waste can enter the waste channel from the punching hole in real time, and move along the waste channel to the waste duct under the blowing of the high-pressure gas in the compressed gas source pipe. The waste duct can discharge the waste in time, thereby avoiding the waste from clogging the punching hole, and finally making the cleaning of the waste faster and more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present disclosure and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a structural schematic diagram of an upward punching die in an open mold state according to an embodiment of the present disclosure;

[0025] Figure 2 for Figure 1 A partial enlarged view shown in the middle A;

[0026] Figure 3 for Figure 1 A partial enlarged view shown at B in the middle;

[0027] Figure 4 It is a structural schematic diagram of the upward punching mold in the mold closing state according to an embodiment of the present disclosure;

[0028] Figure 5 for Figure 4 A partial enlarged view shown at C in the middle.

[0029] Reference numerals: 100, upward punching die; 110, upper die assembly; 11a, upper die seat; 11b, convex die set; 111a, punching ring; 111b, convex pressing block; 111c, forming portion; 1110, air delivery channel; 1111, embedding port; 1112, vertical cavity; 1113, transverse cavity; 1120, waste channel; 1130, punching hole; 120, lower die assembly; 12a, telescopic slide; 1210, lower die seat; 1220, concave die set; 1221, concave pressing block Block; 122a, upper chamber; 1222, stripping block; 122b, lower chamber; 122c, guide groove; 1223, return spring; 130, punch needle; 140, press machine; 1410, top plate; 1420, work table; 1430, lifting drive; 150, compressed air source pipe; 1510, jet head; 1511, card block; 1512, nozzle; 160, waste conduit; 1610, plug connector; 1620, tube body; 20, material belt; 210, waste. DETAILED DESCRIPTION

[0030] In order to facilitate the understanding of the present disclosure, the present disclosure will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present disclosure are given in the drawings. However, the present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present disclosure more thoroughly and comprehensively understood.

[0031] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present disclosure. The terms used herein in the specification of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0033] In order to better understand the technical solutions and beneficial effects of the present invention, the present invention is further described in detail below in conjunction with specific embodiments:

[0034] like Figure 1 As shown, an upward punching die 100 of an embodiment includes an upper die assembly 110, a lower die assembly 120, a punching needle 130, a press machine 140, a compressed air source pipe 150 and a waste conduit 160; the upper die assembly 110 is arranged on a top plate 1410 of the press machine 140, and the lower die assembly 120 is arranged on a working table 1420 of the press machine 140; the punching needle 130 is arranged on the lower die assembly 120 and faces the upper die assembly 110; the upper die assembly 110 is provided with an air delivery channel 1110, a waste conduit 150 and a waste conduit 160. The exhaust end of the gas delivery channel 1110 is connected to the feed end of the waste channel 1120; the compressed air source pipe 150 and the waste conduit 160 are respectively arranged on the upper mold assembly 110, the compressed air source pipe 150 is connected to the air inlet end of the gas delivery channel 1110, and the waste conduit 160 is connected to the discharge end of the waste channel 1120; the punching end of the punching hole 1130 is arranged opposite to the punching needle 130, and the waste discharge end of the punching hole 1130 is connected to the feed end of the waste channel 1120.

[0035] It can be understood that by lifting the punch needle 130 and setting it on the lower mold assembly 120, and setting it opposite to the punching end of the punching hole 1130 of the upper mold assembly 110, when the upper mold assembly 110 and the lower mold assembly 120 are molded, the material strip 20 on the lower mold assembly 120 will be punched and cut to form a hole by the rising movement of the punch needle 130, and the compressed air source pipe 150 is connected to the air inlet end of the air delivery channel 1110, and the exhaust end of the air delivery channel 1110 is connected to the feed end of the waste channel 1120, so that the high-pressure gas in the compressed air source pipe 150 can The waste material 210 enters the waste channel 1120 through the gas delivery channel 1110 and forms a negative pressure at the feed end of the waste channel 1120. Since the waste discharge end of the punching hole 1130 is connected with the feed end of the waste channel 1120, the waste material 210 will enter the waste channel 1120 under the action of the negative pressure and move toward the discharge end of the waste channel 1120 as blown by the high-pressure gas. The discharge end of the waste channel 1120 is connected to the waste conduit 160, so that the waste material 210 can smoothly enter the waste conduit 160 and be discharged in time.

[0036] It can be understood that compared with the upward punching die 100 for the chassis side panel in the prior art, after the material plate is punched by the above-mentioned upward punching die 100, the waste 210 can enter the waste channel 1120 from the punching hole 1130 in real time, and move along the waste channel 1120 to the waste duct 160 under the blowing of the high-pressure gas in the compressed air source pipe 150. The waste duct 160 can discharge the waste 210 in time, thereby avoiding the waste 210 from clogging the punching hole 1130, and finally making the cleaning of the waste 210 faster and more convenient.

[0037] Combination Figure 2 As shown, in the present embodiment, the gas delivery channel 1110 includes an embedding port 1111, a vertical cavity 1112 and a transverse cavity 1113 which are connected in sequence; the nozzle 1510 of the compressed gas source pipe 150 is embedded in the embedding port 1111, and the transverse cavity 1113 is connected to the feed end of the waste channel 1120. The high-pressure gas ejected from the nozzle 1510 of the compressed gas source pipe 150 can enter the feed end of the waste channel 1120 through the vertical cavity 1112 and the transverse cavity 1113 in sequence. After passing through the vertical cavity 1112 and the transverse cavity 1113, the pressure of the high-pressure gas is released, so that the waste 210 can be blown more smoothly.

[0038] Combination Figure 2 As shown, specifically, the nozzle 1510 includes a connected card block 1511 and a nozzle 1512, and the card block 1511 is embedded in the embedding port 1111; the nozzle 1512 is arranged on the card block 1511 and extends into the vertical cavity 1112, so that the card block 1511 is more closely connected with the embedding port 1111, and at the same time, the high-pressure gas can be directly introduced into the vertical cavity 1112 through the nozzle 1512, thereby reducing the waste of high-pressure gas leaking between the card block 1511 and the embedding port 1111.

[0039] Combination Figure 1 As shown, in this embodiment, the waste conduit 160 includes a connected plug connector 1610 and a tube body 1620. The plug connector 1610 is plugged into the upper mold assembly 110, and the tube body 1620 is connected to the discharge end of the waste channel 1120, so that the plug connector 1610 can be more tightly connected to the upper mold assembly 110, and the waste 210 blown to the discharge end of the waste channel 1120 by high-pressure gas can be quickly discharged through the tube body 1620.

[0040] Combination Figure 1As shown, in one embodiment, the upper die assembly 110 further includes an upper die seat 11a and a punch set 11b, the punch set 11b is arranged on the upper die seat 11a, and the punch hole 1130 is opened on the punch set 11b; the lower die assembly 120 includes a lower die seat 1210 and a die set 1220; the die set 1220 is arranged on the lower die seat 1210 and is arranged opposite to the punch set 11b; the punch needle 130 is arranged on the die set 1220 for lifting. When the upper die assembly 110 and the lower die assembly 120 are molded, the die set 1220 and the punch set 11b will press together the molding strip 20, so that a shape can be punched out on the strip 20. At the same time, the punch needle 130 on the die set 1220 can move upward to cooperate with the punch hole 1130 of the punch set 11b, and punch the strip 20, that is, the strip 20 can be punched and formed at the same time.

[0041] Combination Figure 3 As shown, in this embodiment, the punch assembly 11b includes a punching ring 111a and a convex pressing block 111b, the convex pressing block 111b is arranged on the upper die seat 11a, the punching ring 111a is embedded in the convex pressing block 111b, the inner ring of the punching ring 111a forms a punching hole 1130, and the convex pressing block 111b is respectively provided with a forming portion 111c on both sides of the punching end of the punching hole 1130. When the female die assembly 1220 is pressed with the punch assembly 11b, the material strip 20 can be punched through the inner ring of the punching ring 111a and the punching needle 130, and a shape can be punched out on the material strip 20 through the forming portion 111c.

[0042] Combination Figure 4 As shown, in one embodiment, a lifting drive 1430 is provided in the press machine 140, a telescopic slide groove 12a is opened on the lower mold assembly 120, and the punch needle 130 is slidably set in the telescopic slide groove 12a. The telescopic rod of the lifting drive 1430 is connected to the punch needle 130, and the telescopic rod of the lifting drive 1430 can push the punch needle 130 to slide in the telescopic slide groove 12a, thereby allowing the punch needle 130 to punch and cut the material strip 20 more smoothly.

[0043] Combination Figure 3 As shown, in one embodiment, the concave mold assembly 1220 includes a concave pressing block 1221 and a stripping block 1222. The concave pressing block 1221 is provided with a guide slot 122c. The stripping block 1222 is slidably disposed in the guide slot 122c and is elastically connected to the bottom of the guide slot 122c. When the concave mold assembly 1220 and the convex mold assembly 11b are pressed together, the stripping block 1222 will be pressed down and sunk into the bottom of the guide slot 122c, thereby pressing and forming the material strip 20. Since the stripping block 1222 is elastically connected to the bottom of the guide slot 122c, when the concave mold assembly 1220 and the convex mold assembly 11b are separated, the stripping block 1222 will be reset by the elastic force and then lift up the material strip 20. After being lifted up, the material strip 20 will be easier to take.

[0044] Combination Figure 3 and Figure 5 As shown, specifically, a return spring 1223 is provided between the stripping block 1222 and the guide slot 122c, an upper cavity 122a is provided on the stripping block 1222, and a lower cavity 122b is provided at the bottom of the guide slot 122c, the upper cavity 122a and the lower cavity 122b are arranged opposite to each other, a first end of the return spring 1223 is located in the upper cavity 122a, and a second end of the return spring 1223 is located in the lower cavity 122b, by making the first end of the return spring 1223 be arranged in the upper cavity 122a, and making the second end of the return spring 1223 be arranged in the lower cavity 122b, so that when the stripping block 1222 is pressed down and sunk to the bottom of the guide slot 122c, the return spring 1223 can be compressed and accommodated in the lower cavity 122b and the lower cavity 122b, thereby preventing the return spring 1223 from interfering with the downward stroke of the stripping block 1222.

[0045] Combination Figure 1 As shown, the present disclosure further provides a stamping and forming device, including the upward punching die 100 of any of the above embodiments. It can be understood that by applying the upward punching die 100 of the present disclosure to the stamping and forming device, the waste material 210 can enter the waste material channel 1120 from the punching hole 1130 in real time, and move along the waste material channel 1120 to the waste material conduit 160 under the blowing of the high-pressure gas in the compressed gas source pipe 150. The waste conduit 160 can discharge the waste material 210 in time, thereby preventing the waste material 210 from blocking the punching hole 1130, and finally making the cleaning of the waste material 210 faster and more convenient.

[0046] Compared with the prior art, the present invention has at least the following advantages:

[0047] 1) By lifting the punching needle 130 and setting it on the lower mold assembly 120, and setting it opposite to the punching end of the punching hole 1130 of the upper mold assembly 110, when the upper mold assembly 110 and the lower mold assembly 120 are molded, the material strip 20 on the lower mold assembly 120 will be punched and cut to form a hole by the rising movement of the punching needle 130, and the compressed air source pipe 150 is connected to the air inlet end of the air delivery channel 1110, and the exhaust end of the air delivery channel 1110 is connected to the feed end of the waste channel 1120, so that the high-pressure gas in the compressed air source pipe 150 can pass The waste material 210 enters the waste channel 1120 through the gas delivery channel 1110 and forms a negative pressure at the feed end of the waste channel 1120. Since the waste discharge end of the punching hole 1130 is connected with the feed end of the waste channel 1120, the waste material 210 will enter the waste channel 1120 under the action of the negative pressure and move toward the discharge end of the waste channel 1120 as blown by the high-pressure gas. The discharge end of the waste channel 1120 is connected to the waste conduit 160, so that the waste material 210 can smoothly enter the waste conduit 160 and be discharged in time.

[0048] 2) Compared with the upward punching die 100 for the chassis side panel in the prior art, after the material plate is punched by the above-mentioned upward punching die 100, the waste 210 can enter the waste channel 1120 from the punching hole 1130 in real time, and move along the waste channel 1120 to the waste duct 160 under the blowing of the high-pressure gas in the compressed gas source pipe 150. The waste duct 160 can discharge the waste 210 in time, thereby preventing the waste 210 from clogging the punching hole 1130, and finally making the cleaning of the waste 210 faster and more convenient.

[0049] The above-mentioned embodiments only express several implementation methods of the present disclosure, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present disclosure, and these all belong to the protection scope of the present disclosure. Therefore, the protection scope of the patent of the present disclosure shall be based on the attached claims.

Claims

1. An upward punching die, comprising an upper die assembly, a lower die assembly, a punching needle and a press; the upper die assembly is arranged on the top plate of the press, the lower die assembly is arranged on the working table of the press; the punching needle is lifted and arranged on the lower die assembly and faces the upper die assembly; It is characterized in that The upward punching die also includes a compressed air source pipe and a waste conduit; The upper mold assembly is provided with an air supply channel, a waste channel and a punching hole, the exhaust end of the air supply channel is connected with the feed end of the waste channel; the compressed air source pipe and the waste conduit are respectively arranged on the upper mold assembly, the compressed air source pipe is connected with the air inlet end of the air supply channel, and the waste conduit is connected with the discharge end of the waste channel; the punching end of the punching hole is arranged opposite to the punching needle, and the waste discharge end of the punching hole is connected with the feed end of the waste channel.

2. The upward punching die according to claim 1, characterized in that: The gas delivery channel comprises an embedding port, a vertical cavity and a transverse cavity which are connected in sequence; the jet head of the compressed gas source pipe is embedded in the embedding port, and the transverse cavity is connected to the feed end of the waste channel.

3. The upward punching die according to claim 2, characterized in that: The jet head comprises a connected card-embedded block and a nozzle, wherein the card-embedded block is embedded in the embedding opening; and the nozzle is arranged on the card-embedded block and extends into the vertical cavity.

4. The upward punching die according to claim 1, characterized in that: The waste conduit comprises a plug connector and a pipe body connected to each other, the plug connector is plugged into the upper mold assembly, and the pipe body is connected to the discharge end of the waste channel.

5. The upward punching die according to claim 1, characterized in that: The upper die assembly also includes an upper die base and a punch group, the punch group is arranged on the upper die base, and the punching hole is opened on the punch group; the lower die assembly includes a lower die base and a die group; the die group is arranged on the lower die base and opposite to the punch group; the punch needle lifting and lowering is arranged on the die group.

6. The upward punching die according to claim 5, characterized in that: The punch assembly includes a punching ring and a convex pressing block, the convex pressing block is arranged on the upper die seat, the punching ring is embedded in the convex pressing block, the inner ring of the punching ring forms the punching hole, and the convex pressing block is respectively provided with forming parts on both sides of the punching end of the punching hole.

7. The upward punching die according to claim 5, characterized in that: The concave die set comprises a concave pressing block and a stripping block, the concave pressing block is provided with a guide slide groove; the stripping block is slidably arranged in the guide slide groove and elastically connected to the groove bottom of the guide slide groove.

8. The upward punching die according to claim 7, characterized in that: A return spring is provided between the stripping block and the guide slot, an upper cavity is provided on the stripping block, a lower cavity is provided at the bottom of the guide slot, the upper cavity and the lower cavity are arranged opposite to each other, the first end of the return spring is located in the upper cavity, and the second end of the return spring is located in the lower cavity.

9. The upward punching die according to claim 1, characterized in that: The press machine is provided with a lifting drive, the lower die assembly is provided with a telescopic slide slot, the punch pin is slidably arranged in the telescopic slide slot, and the telescopic rod of the lifting drive is connected to the punch pin.

10. A stamping forming device, characterized in that: The upward punching die comprises the upward punching die according to any one of claims 1 to 9.

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