A new punching and shearing mechanism

Abstract

The present invention proposes a novel punching and shearing mechanism, including a material storage part, a material feeding part, a material feeding cylinder, a punching part, a punching cylinder, a punching flat knife, a first pushing cylinder, a second pushing cylinder, a first punching bottom knife and a second punching bottom knife; the material storage part is provided with a material storage trough; the material feeding part is provided with a material feeding trough, and the material storage trough is located above the material feeding trough; the punching part is provided with a punching trough; the material storage trough is connected to the material feeding trough; the material feeding trough is connected to the punching trough; the material feeding cylinder is arranged on the side of the material feeding trough; the punching cylinder is arranged above the punching trough, and the punching flat knife is arranged on the piston rod of the punching cylinder; the first pushing cylinder is arranged on one side of the punching part, and the second pushing cylinder is arranged on the other side of the punching part; the first punching bottom knife and the second punching bottom knife are movably arranged on the punching part; the first punching bottom knife is connected to the piston rod of the first pushing cylinder, and the second punching bottom knife is connected to the piston rod of the second pushing cylinder. The present invention does not require manual cutting of the injection molded product from the plastic steel sheet.

Description

Technical Field

[0001] The invention relates to the field of injection molding product processing, and in particular to a novel punching and shearing mechanism. Background Art

[0002] When some injection molded products are produced, a redundant plastic steel sheet is generated around them. During processing, the injection molded products need to be cut off from the plastic steel sheet. In the prior art, the injection molded products are usually cut off manually using shears. Summary of the invention

[0003] Based on the problems of the prior art, the present invention provides a novel punching and shearing mechanism.

[0004] The present invention proposes a novel punching and shearing mechanism, which comprises a material storage part, a material feeding part, a material feeding cylinder, a punching part, a punching and shearing cylinder, a punching and shearing flat knife, a first pushing cylinder, a second pushing cylinder, a first punching and shearing bottom knife and a second punching and shearing bottom knife;

[0005] The material storage member is provided with a material storage trough; the material feeding member is provided with a material feeding trough, and the material storage trough is located above the material feeding trough; the punching member is provided with a punching groove; the material storage trough is connected to the material feeding trough; the material feeding trough is connected to the punching groove;

[0006] The feeding cylinder is arranged at the side of the feeding trough; the punching cylinder is arranged above the punching trough, and the punching blade is arranged on the piston rod of the punching cylinder;

[0007] The first pushing cylinder is arranged on one side of the punching piece, and the second pushing cylinder is arranged on the other side of the punching piece;

[0008] The first punching bottom knife and the second punching bottom knife are movably arranged on the punching member; the first punching bottom knife is connected to the piston rod of the first pushing cylinder, and the second punching bottom knife is connected to the piston rod of the second pushing cylinder; wherein,

[0009] The storage trough is used to store injection molded products; the injection molded products in the storage trough can fall into the feeding trough from the storage trough; the feeding cylinder can push the injection molded products in the feeding trough into the punching groove; the first pushing cylinder and the second pushing cylinder can push the first punching bottom knife and the second punching bottom knife to close together to clamp the injection molded products in the punching groove; the punching cylinder can push the punching flat knife to cooperate with the first punching bottom knife and the second punching bottom knife to cut the injection molded products from the plastic steel sheet.

[0010] Furthermore, the new punching and shearing mechanism also includes a material stopping cylinder and a material stopping column; the material stopping cylinder is arranged on the side of the material storage piece; the material stopping column can be movably arranged on the material storage piece and is connected to the piston rod of the material stopping cylinder; wherein, the material stopping cylinder can push the material stopping column to extend into the material storage trough or exit the material storage trough.

[0011] Furthermore, the novel punching and shearing mechanism also includes a feeding cylinder and a support block arranged below the material storage member; the piston rod of the feeding cylinder is connected to the support block, and the feeding cylinder can push the support block to extend into the material storage trough or exit the material storage trough.

[0012] Furthermore, the first punching knife is provided with a first half groove, and the second punching knife is provided with a second half groove; wherein, when the first punching knife and the second punching knife are closed, the injection molded product is partially accommodated in the first half groove and the second half groove, and the plastic steel sheet around the injection molded product is supported on the upper surface of the first punching knife and the second punching knife.

[0013] Furthermore, the novel punching and shearing mechanism also includes a position sensor; the position sensor is arranged on the feeding member and is used to detect the position of the injection molded product in the feeding trough.

[0014] Furthermore, the trough wall of the material storage trough is provided with a guide protrusion that cooperates with the injection molded product.

[0015] Furthermore, the novel punching and shearing mechanism also includes a mounting plate; the material storage member, the material feeding member, the material feeding cylinder, the punching member, the first pushing cylinder and the second pushing cylinder are arranged on the mounting plate.

[0016] Furthermore, the novel punching and shearing mechanism also includes a first mounting frame; the first mounting frame is arranged on the mounting plate; the punching piece, the first pushing cylinder and the second pushing cylinder are arranged on the first mounting frame.

[0017] Furthermore, the novel punching and shearing mechanism also includes a second mounting frame; the second mounting frame is arranged on the first mounting frame; and the punching and shearing cylinder is arranged on the second mounting frame.

[0018] Furthermore, the novel punching and shearing mechanism also includes a third mounting frame; the third mounting frame is arranged on the mounting plate; and the feeding member is arranged on the third mounting frame.

[0019] The beneficial effects of the present invention are as follows: when the injection molded product is processed, after the injection molded product falls into the feeding trough, the feeding cylinder pushes the injection molded product into the punching groove, and after the first punching bottom knife and the second punching bottom knife clamp the injection molded product, the punching cylinder drives the punching flat knife to move downward, so that the injection molded product can be cut from the plastic steel sheet, without the need for manual shearing of the plastic steel sheet around the injection molded product, which greatly improves production efficiency, reduces labor costs, ensures that the shear fracture of the injection molded product is uniform, and improves the yield rate of the injection molded product. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a novel punching and shearing mechanism provided by the present invention;

[0021] Figure 2 It is another structural schematic diagram of a novel punching and shearing mechanism provided by the present invention;

[0022] Figure 3 It is a partial structural schematic diagram of a novel punching and shearing mechanism provided by the present invention;

[0023] Figure 4 It is another partial structural schematic diagram of a novel punching and shearing mechanism provided by the present invention;

[0024] Figure 5 It is a structural diagram of an injection molded product and a plastic steel sheet;

[0025] Figure 6 It is another structural schematic diagram of an injection molded product and a plastic steel sheet;

[0026] Figure 7 It is a structural schematic diagram of an injection molded product, showing the shearing position of the injection molded product;

[0027] Figure 8 It is a schematic diagram of the structure of the cooperation between a punching piece, a first punching bottom knife and a second punching bottom knife;

[0028] Fig. 9 An exploded view of a punching part, a first punching bottom knife and a second punching bottom knife;

[0029] Fig.10 It is a structural schematic diagram of a punching flat knife, a first punching bottom knife, a second punching bottom knife, an injection molded product and a plastic steel sheet, wherein the left side of the figure shows the state before the first punching bottom knife and the second punching bottom knife are closed, and the right side of the figure shows the state after the first punching bottom knife and the second punching bottom knife are closed. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, horizontal, vertical, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. The "connection" mentioned above can be a direct connection or an indirect connection, and the "setting", "setting at" and "setting at" can be directly set at or indirectly set at.

[0032] In addition, in the present invention, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0033] Figure 1 It is a structural schematic diagram of a novel punching and shearing mechanism provided by the present invention. Figure 2 is another structural schematic diagram of a novel punching and shearing mechanism provided by the present invention. Figure 3 It is a partial structural schematic diagram of a novel punching and shearing mechanism provided by the present invention. Figure 4It is another partial structural schematic diagram of a new punching and shearing mechanism provided by the present invention; the new punching and shearing mechanism includes a material storage member 50, a material feeding member 90, a material feeding cylinder 60, a punching member 20, a punching and shearing cylinder 40, a punching and shearing flat knife 41, a first pushing cylinder 31, a second pushing cylinder 32, a first punching and shearing bottom knife 22 and a second punching and shearing bottom knife 23; the material storage member 50 is provided with a material storage trough 51; the material feeding member 90 is provided with a material feeding trough 91, and the material storage trough 51 is located above the material feeding trough 91; the punching and shearing member 20 is provided with a punching and shearing groove 21; the material storage trough 51 is connected to the material feeding trough 91; the material feeding trough 91 is connected to the punching and shearing groove 21; the material feeding cylinder 60 is arranged on the side of the material feeding trough 91; the punching and shearing cylinder 40 is arranged above the punching and shearing groove 21, and the punching and shearing flat knife 41 is arranged on the piston rod of the punching and shearing cylinder 40; the first pushing cylinder 31 is arranged on one side of the punching and shearing member 20, and the second pushing cylinder 32 It is arranged on the other side of the punching piece 20; the first punching bottom knife 22 and the second punching bottom knife 23 are movably arranged on the punching piece 20; the first punching bottom knife 22 is connected to the piston rod of the first pushing cylinder 31, and the second punching bottom knife 23 is connected to the piston rod of the second pushing cylinder 32; wherein, the storage tank 51 is used to store the injection molded products 200; the injection molded products 200 in the storage tank 51 can fall into the feeding tank 91 from the storage tank 51; the feeding cylinder 60 can push the injection molded products 200 in the feeding tank 91 into the punching groove 21; the first pushing cylinder 31 and the second pushing cylinder 32 can push the first punching bottom knife 22 and the second punching bottom knife 23 to close, and clamp the injection molded products 200 in the punching groove 21; the punching cylinder 40 can push the punching flat knife 41 to cooperate with the first punching bottom knife 22 and the second punching bottom knife 23 to cut the injection molded products 200 from the plastic steel sheet 300.

[0034] In the present invention, the injection molded products 200 are stacked in the storage tank 51 , and the injection molded products 200 can fall into the feeding tank 91 by the gravity they are subjected to.

[0035] In the present invention, when the injection molded product 200 is processed, after the injection molded product 200 falls into the feeding trough 91, the feeding cylinder 60 pushes the injection molded product 200 into the punching groove 21, and after the first punching bottom knife 22 and the second punching bottom knife 23 clamp the injection molded product 200, the punching cylinder 40 drives the punching flat knife 41 to move downward, so that the injection molded product 200 can be cut off from the plastic steel sheet 300. There is no need to manually cut the injection molded product 200 from the plastic steel sheet 300, which greatly improves production efficiency, reduces labor costs, and can ensure that the shear fracture of the injection molded product 200 is uniform, thereby improving the yield rate of the injection molded product 200.

[0036] In the present invention, the structure of the punching flat blade 41 matches the shearing position 201 of the injection molded product 200 , and the first punching bottom blade 22 and the second punching bottom blade 23 match the structural setting of the injection molded product 200 .

[0037] Figure 5It is a structural schematic diagram of an injection molded product 200 and a plastic steel sheet 300. Figure 6 is another structural schematic diagram of an injection molded product 200 and a plastic steel sheet 300. Figure 7 2 is a schematic structural diagram of an injection molded product 200, which shows a shearing position 201 of the injection molded product 200; Figures 5 to 7 As shown, a plastic steel sheet 300 is usually fixed to a plurality of injection molded products 200, and the injection molded products 200 can be cut off one by one during shearing. For ease of understanding, in the following embodiments, Figures 5 to 7 The injection molded product 200 shown is used for illustration, but it should be understood that, in the present invention, the injection molded product 200 may also be other injection molded products 200 that require shearing of the plastic steel sheet 300.

[0038] In an optional embodiment, the new punching and shearing mechanism also includes a material stopping cylinder 70 and a material stopping column 71; the material stopping cylinder 70 is arranged on the side of the material storage piece 50; the material stopping column 71 can be movably arranged on the material storage piece 50 and connected to the piston rod of the material stopping cylinder 70; wherein, the material stopping cylinder 70 can push the material stopping column 71 to extend into the material storage trough 51 or exit the material storage trough 51.

[0039] In this embodiment, when the material blocking column 71 extends into the material storage trough 51, the injection molded product 200 is supported on the material blocking column 71. When the injection molded product 200 needs to be placed in the feeding trough 91, the material blocking column 71 withdraws from the material storage trough 51, and the material blocking cylinder 70 and the material blocking column 71 cooperate to control the injection molded product 200 to fall into the feeding trough 91.

[0040] In an optional embodiment, the novel punching and shearing mechanism further includes a feeding cylinder 80 and a support block 81 disposed below the material storage member 50; the piston rod of the feeding cylinder 80 is connected to the support block 81, and the feeding cylinder 80 can push the support block 81 to extend into the material storage trough 51 or to exit the material storage trough 51. In this embodiment, after the injection molded product 200 falls into the feeding trough 91, it is supported on the support block 81, and the feeding cylinder 80 can adjust the height of the injection molded product 200 by pushing the support block 81 to move.

[0041] In an alternative embodiment, if Figures 8 to 10 As shown, the first punching bottom knife 22 is provided with a first half groove 221, and the second punching bottom knife 23 is provided with a second half groove 231; wherein, when the first punching bottom knife 22 and the second punching bottom knife 23 are closed, the injection molded product 200 is partially accommodated in the first half groove 221 and the second half groove 231, and the plastic steel sheet 300 around the injection molded product 200 is supported on the upper surface of the first punching bottom knife 22 and the second punching bottom knife 23.

[0042] In this embodiment, when the first punching bottom knife 22 and the second punching bottom knife 23 are closed, the first half groove 221 and the second half groove 231 form a receiving hole 203, and the injection molded product 200 is partially received in the receiving hole 203. When the plastic steel sheet 300 is sheared, the injection molded product 200 falls into the storage device placed below the receiving hole 203 through the hole opening on the lower side of the receiving hole 203.

[0043] In an optional embodiment, the novel punching and shearing mechanism further includes a position sensor 100; the position sensor 100 is disposed on the feeding member 90 and is used to detect the position of the injection molded product 200 in the feeding slot 91. When the position sensor 100 detects that the injection molded product 200 reaches a specified position of the feeding slot 91, the control device can control the feeding cylinder 60 to push the injection molded product 200 into the punching and shearing slot 21. In this embodiment, the position sensor 100 can be an infrared sensor.

[0044] In an optional embodiment, the groove wall of the material storage groove 51 is provided with a guide protrusion 52 that cooperates with the injection molded product 200. When the injection molded product 200 is set in the material storage groove 51, the injection molded product 200 is limited by the guide groove and the guide protrusion 52 to guide the injection molded product 200 into the feeding groove 91.

[0045] In an optional embodiment, the new punching and shearing mechanism further includes a mounting plate 10 ; a material storage member 50 , a material feeding member 90 , a material feeding cylinder 60 , a punching member 20 , a first pushing cylinder 31 and a second pushing cylinder 32 are arranged on the mounting plate 10 .

[0046] In an optional embodiment, the novel punching and shearing mechanism further includes a first mounting frame 11 ; the first mounting frame 11 is disposed on the mounting plate 10 ; the punching member 20 , the first pushing cylinder 31 and the second pushing cylinder 32 are disposed on the first mounting frame 11 .

[0047] In an optional embodiment, the new punching and shearing mechanism further includes a second mounting frame 12 ; the second mounting frame 12 is arranged on the first mounting frame 11 ; and the punching and shearing cylinder 40 is arranged on the second mounting frame 12 .

[0048] In an optional embodiment, the novel punching and shearing mechanism further includes a third mounting frame 14 ; the third mounting frame 14 is disposed on the mounting plate 10 ; and the feeding member 90 is disposed on the third mounting frame 14 .

[0049] In an optional embodiment, the placing cylinder 80 is disposed on the third mounting frame 14 .

[0050] In an optional embodiment, the novel punching and shearing mechanism further includes a fourth mounting frame 13 ; the fourth mounting frame 13 is disposed on the mounting plate 10 , and the feeding cylinder 60 is disposed on the fourth mounting frame 13 .

[0051] In an optional embodiment, the novel punching and shearing mechanism further includes a first fixing block 61 , and the feeding cylinder 60 is fixed on the fourth mounting frame 13 via the first fixing block 61 .

[0052] In an optional embodiment, the novel punching and shearing mechanism further includes a second fixing block 311 , and the first pushing cylinder 31 is fixed to the first mounting frame 11 via the second fixing block 311 .

[0053] In an optional embodiment, the novel punching and shearing mechanism further includes a third fixing block 321 , and the second pushing cylinder 32 is fixed to the first mounting frame 11 via the third fixing block 321 .

[0054] In an optional embodiment, the material storage member 50 and the material feeding member 90 are fixed to each other.

[0055] In an optional embodiment, the novel punching and shearing mechanism further includes a top connection block 62 , which is disposed on the piston rod of the feeding cylinder 60 , and the feeding cylinder 60 pushes the injection molded product 200 in the feeding trough 91 through the top connection block 62 .

[0056] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A new punching and shearing mechanism, characterized in that: The novel punching and shearing mechanism comprises a material storage part, a material feeding part, a material feeding cylinder, a punching part, a punching cylinder, a punching flat knife, a first pushing cylinder, a second pushing cylinder, a first punching bottom knife and a second punching bottom knife; The material storage member is provided with a material storage trough; the material feeding member is provided with a material feeding trough, and the material storage trough is located above the material feeding trough; the punching member is provided with a punching groove; the material storage trough is connected to the material feeding trough; the material feeding trough is connected to the punching groove; The feeding cylinder is arranged at the side of the feeding trough; the punching cylinder is arranged above the punching trough, and the punching blade is arranged on the piston rod of the punching cylinder; The first pushing cylinder is arranged on one side of the punching piece, and the second pushing cylinder is arranged on the other side of the punching piece; The first punching bottom knife and the second punching bottom knife are movably arranged on the punching part; the first punching bottom knife is connected to the piston rod of the first pushing cylinder, and the second punching bottom knife is connected to the piston rod of the second pushing cylinder; wherein the material storage tank is used to store injection molded products; the injection molded products in the material storage tank can fall from the material storage tank into the feeding tank; the feeding cylinder can push the injection molded products in the feeding tank into the punching groove; the first pushing cylinder and the second pushing cylinder can push the first punching bottom knife and the second punching bottom knife to close together to clamp the injection molded products in the punching groove; the punching cylinder can push the punching flat knife to cooperate with the first punching bottom knife and the second punching bottom knife to cut the injection molded products from the plastic steel sheet; The first punching bed knife is provided with a first half groove, and the second punching bed knife is provided with a second half groove; wherein, when the first punching bed knife and the second punching bed knife are closed, the first half groove and the second half groove enclose a receiving hole, the injection molded product is partially received in the receiving hole, and the plastic steel sheet around the injection molded product is supported on the upper surface of the first punching bed knife and the second punching bed knife; when the plastic steel sheet is sheared, the injection molded product falls into the receiving device placed under the receiving hole through the opening at the lower side of the receiving hole; The groove wall of the material storage groove is provided with a guide protrusion which cooperates with the injection molded product.

2. The novel punching and shearing mechanism according to claim 1 is characterized in that: The novel punching and shearing mechanism also includes a material stopping cylinder and a material stopping column; the material stopping cylinder is arranged on the side of the material storage piece; the material stopping column can be movably arranged on the material storage piece and connected to the piston rod of the material stopping cylinder; wherein, the material stopping cylinder can push the material stopping column to extend into the material storage trough or exit the material storage trough.

3. The novel punching and shearing mechanism according to claim 1 is characterized in that: The novel punching and shearing mechanism also includes a feeding cylinder and a support block arranged below the material storage member; the piston rod of the feeding cylinder is connected to the support block, and the feeding cylinder can push the support block to extend into the material storage trough or withdraw from the material storage trough.

4. The novel punching and shearing mechanism according to claim 1 is characterized in that: The novel punching and shearing mechanism further comprises a position sensor; the position sensor is arranged on the feeding member and is used for detecting the position of the injection molded product in the feeding trough.

5. The novel punching and shearing mechanism according to claim 1 is characterized in that: The novel punching and shearing mechanism further comprises a mounting plate; the material storage member, the material feeding member, the material feeding cylinder, the punching member, the first pushing cylinder and the second pushing cylinder are arranged on the mounting plate.

6. The novel punching and shearing mechanism according to claim 5 is characterized in that: The novel punching and shearing mechanism further comprises a first mounting frame; the first mounting frame is arranged on the mounting plate; the punching piece, the first pushing cylinder and the second pushing cylinder are arranged on the first mounting frame.

7. The novel punching and shearing mechanism according to claim 6 is characterized in that: The novel punching and shearing mechanism also includes a second mounting frame; the second mounting frame is arranged on the first mounting frame; the punching and shearing cylinder is arranged on the second mounting frame.

8. The novel punching and shearing mechanism according to claim 5 is characterized in that: The novel punching and shearing mechanism also includes a third mounting frame; the third mounting frame is arranged on the mounting plate; and the feeding member is arranged on the third mounting frame.

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