Punching die for injection molding production

Abstract

The utility model belongs to the technical field of punching dies, and particularly relates to a punching die for injection molding production, which comprises a processing platform, an upper die holder, a punching blade and a lower die holder, and further comprises a clamping mechanism and a punching mechanism, a piston rod of the clamping air cylinder penetrates through the first fixing plate and then is fixedly connected with the clamping plate. The material pushing mechanism comprises a second fixing plate, a material pushing block and a material pushing air cylinder fixed to the second fixing plate, and a piston rod of the material pushing air cylinder penetrates through the second fixing plate and then is fixedly connected with the material pushing block; according to the utility model, the clamping mechanism is used for clamping the injection-molded parts, the stability of the injection-molded parts is ensured, the injection-molded parts with different widths can be clamped, the centering function is also realized, the pushing mechanism can be used for positioning the injection-molded parts, and meanwhile, the injection-molded parts can be pushed to transfer, so that the blanking is convenient, and the injection-molded parts can be cut for multiple times; and the processing efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of punching molds, and in particular relates to a punching mold for injection molding production. Background Art

[0002] In injection molding production, punching molds are usually used to cut injection molded parts into appropriate sizes.

[0003] In the prior art, injection molded parts are usually fixed manually and then punched by a punching knife of the mold. When multiple punching operations are required, the position of the injection molded parts needs to be manually adjusted.

[0004] Although the punching molds in the prior art can meet general production needs, they are inefficient and cannot meet the needs of mass production or situations where the same injection molded part needs to be punched multiple times.

[0005] In order to solve the above problems, the utility model provides a punching die for injection molding production. Utility Model Content

[0006] In order to solve the above problems existing in the prior art, the utility model provides a punching die for injection molding production, which has the characteristics of easy use and high processing efficiency.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solution: a punching die for injection molding, comprising a processing platform, an upper die base disposed on the processing platform and movable vertically, a punching blade fixed to the bottom surface of the upper die base, and a lower die base, wherein a mounting opening is formed on the processing platform, the lower die base is fixed in the mounting opening, and a debris removal hole is formed on the lower die base directly below the punching blade, and further comprising:

[0008] A clamping mechanism, wherein two sets of the clamping mechanisms are symmetrically fixed to the top surface of the processing platform, and the clamping mechanism includes a No. 1 fixed plate fixed to the processing platform, a clamping plate located on one side of the No. 1 fixed plate, and a clamping cylinder fixed to the No. 1 fixed plate, wherein the piston rod of the clamping cylinder passes through the No. 1 fixed plate and is fixedly connected to the clamping plate;

[0009] A pushing mechanism is fixed to the top surface of the processing platform and is located between the two groups of clamping mechanisms. The pushing mechanism includes a No. 2 fixed plate fixed on the processing platform, a pushing block located on one side of the No. 2 fixed plate, and a pushing cylinder fixed on the No. 2 fixed plate. The piston rod of the pushing cylinder passes through the No. 2 fixed plate and is fixedly connected to the pushing block.

[0010] As a preferred technical solution of the present invention, the clamping mechanism further includes:

[0011] Guide rods, two of which are symmetrically fixed to the outer wall of the clamping plate, and the guide rods pass through the first fixing plate.

[0012] As a preferred technical solution of the utility model, it also includes:

[0013] Side uprights, two of which are symmetrically fixed to the top surface of the processing platform;

[0014] A top plate, the top plate being fixed to the top ends of the side plates;

[0015] A hydraulic cylinder is fixed to the top surface of the top plate, and a piston rod of the hydraulic cylinder passes through the top plate and is fixedly connected to the upper die base.

[0016] As a preferred technical solution of the utility model, it also includes:

[0017] Guide columns, two of which are symmetrically fixed on the top surface of the upper die base, and the guide columns pass through the top plate.

[0018] As a preferred technical solution of the utility model, it also includes:

[0019] Support legs, wherein four support legs are diagonally fixed to the four corners of the bottom surface of the processing platform;

[0020] A bracket, the bracket being fixed on the supporting leg, the bracket being a U-shaped member and being located directly below the lower die base;

[0021] A sundry box is installed in the bracket by pulling.

[0022] As a preferred technical solution of the utility model, it also includes:

[0023] A handle is fixed to the end surface of the collecting box.

[0024] As a preferred technical solution of the utility model, it also includes:

[0025] An n-shaped frame, the n-shaped frame being fixed to the bottom surface of the upper die base, and the top end of the punching blade being embedded in the n-shaped frame;

[0026] a locking bolt, the locking bolt passing through the n-shaped frame and the punching blade;

[0027] A number one nut is installed on the protruding end of the locking bolt by threaded engagement.

[0028] As a preferred technical solution of the utility model, it also includes:

[0029] Limiting plates, two of which are symmetrically fixed to the outer wall of the n-shaped frame;

[0030] A pressing plate, the pressing plate being located directly below the limiting plate;

[0031] Threaded columns, two of which are symmetrically fixed on the top surface of the pressing plate, and the threaded columns pass through the limiting plate;

[0032] A No. 2 nut, the No. 2 nut being mounted on the protruding end of the threaded column by screwing;

[0033] A telescopic spring is sleeved on the threaded column and is located between the limiting plate and the pressing plate.

[0034] Compared with the prior art, the beneficial effects of the present invention are:

[0035] In the utility model, a clamping mechanism is used to clamp the injection molded parts to ensure the stability of the injection molded parts. It can not only clamp injection molded parts of different widths, but also has a centering function. The pushing mechanism can be used to position the injection molded parts and at the same time push the injection molded parts to be transferred, which is convenient for unloading and multiple cutting of the injection molded parts, thereby greatly improving the processing efficiency.

[0036] Other additional advantages and beneficial effects of the present invention will be partially given in the following description, and partially become obvious from the following description, or be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0038] Figure 1 It is a structural diagram of the utility model;

[0039] Figure 2 This is a schematic diagram of the axonometric structure of the clamping mechanism in the present utility model;

[0040] Figure 3 This is a schematic diagram of the axonometric structure of the pusher mechanism in the present utility model;

[0041] Figure 4 This is a schematic diagram of the axonometric structure of the upper die base in the present utility model.

[0042] In the figure: 1. Processing platform; 101. Mounting port; 102. Support leg; 2. Side plate; 3. Top plate; 4. Upper die base; 401. N-type frame; 402. Limit plate; 5. Punching blade; 6. Lower die base; 601. Miscellaneous hole; 7. Hydraulic cylinder; 8. Guide column; 9. Clamping mechanism; 901. Fixed plate No. 1; 902. Clamping plate; 903. Clamping cylinder; 904. Guide rod; 10. Pushing mechanism; 1001. Fixed plate No. 2; 1002. Pushing block; 1003. Pushing cylinder; 11. Bracket; 12. Miscellaneous box; 121. Handle; 13. Locking bolt; 14. Nut No. 1; 15. Press plate; 16. Threaded column; 17. Nut No. 2; 18. Telescopic spring. DETAILED DESCRIPTION

[0043] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0044] See also Figure 1-Figure 4 The utility model provides the following technical solutions: a punching mold for injection molding production, comprising a processing platform 1, an upper mold base 4 arranged on the processing platform 1 and movable in a vertical direction, a punching blade 5 fixed to the bottom surface of the upper mold base 4, and a lower mold base 6, a mounting opening 101 being machined on the processing platform 1, the lower mold base 6 being fixed in the mounting opening 101, and a debris removal hole 601 being machined on the lower mold base 6 and being located directly below the punching blade 5, and further comprising: a clamping mechanism 9 and a pushing mechanism 10.

[0045] Further, by Figure 1-Figure 3As shown, in this embodiment, two sets of clamping mechanisms 9 are symmetrically fixed on the top surface of the processing platform 1, and the clamping mechanism 9 includes a No. 1 fixed plate 901 fixed on the processing platform 1, a clamping plate 902 located on one side of the No. 1 fixed plate 901, and a clamping cylinder 903 fixed on the No. 1 fixed plate 901. The piston rod of the clamping cylinder 903 passes through the No. 1 fixed plate 901 and is fixedly connected to the clamping plate 902. The pushing mechanism 10 is fixed to the top surface of the processing platform 1 and is located between the two sets of clamping mechanisms 9. The pushing mechanism 10 includes a No. 2 fixed plate 1 fixed on the processing platform 1. 001, a pusher block 1002 located on one side of the second fixed plate 1001 and a pusher cylinder 1003 fixed on the second fixed plate 1001, the piston rod of the pusher cylinder 1003 passes through the second fixed plate 1001 and is fixedly connected to the pusher block 1002. After adopting the above scheme, when in use, the injection molded part to be punched is placed between the two sets of clamping mechanisms 9, and then the clamping cylinder 903 is started to make the clamping plates 902 on both sides approach the inside at the same time, so that the clamping plates 902 are against but not clamping the injection molded part, and the injection molded part is centered, and then the pusher cylinder 100 is started. 3. Drive the pusher block 1002 to move through the pusher cylinder 1003, and use the pusher block 1002 to push the injection molded part to move, push the injection molded part to the punching position, then start the clamping cylinder 903, use the clamping plate 902 to clamp the injection molded part, and finally start the upper die base 4 to move down, so that the punching blade 5 moves down, and cooperates with the debris removal hole 601 to achieve punching. After the punching is completed, the upper die base 4 drives the punching blade 5 to move up and reset, and then start the clamping cylinder 903 so that the clamping plate 902 does not clamp the injection molded part. Finally, start the pusher cylinder 1003, and drive the pusher block 1003 through the pusher cylinder 1003. 02 Move, use the push block 1002 to push the injection molded part to move for unloading. When the injection molded part needs to be punched multiple times, use the push block 1002 to push the injection molded part to the punching position, and the injection molded part will push out the cut part for unloading. The utility model uses the clamping mechanism 9 to clamp the injection molded part to ensure the stability of the injection molded part. It can not only clamp injection molded parts of different widths, but also has the function of centering. The pushing mechanism 10 can be used to position the injection molded part and at the same time push the injection molded part to transfer, which is convenient for unloading and multiple cutting of the injection molded part, and the processing efficiency is greatly improved.

[0046] Preferably, by Figure 1 and Figure 2 As shown, in this embodiment, the clamping mechanism 9 also includes: guide rods 904, two guide rods 904 are symmetrically fixed to the outer wall of the clamping plate 902, and the guide rods 904 pass through the No. 1 fixed plate 901. After adopting the above scheme, when in use, the two guide rods 904 are used to guide the clamping plate 902, thereby improving the stability of the clamping plate 902.

[0047] Optionally, by Figure 1As shown, this embodiment also includes: side plates 2, top plates 3 and hydraulic cylinders 7. The two side plates 2 are symmetrically fixed to the top surface of the processing platform 1, the top plate 3 is fixed to the top of the side plates 2, the hydraulic cylinder 7 is fixed to the top surface of the top plate 3, and the piston rod of the hydraulic cylinder 7 passes through the top plate 3 and is fixedly connected to the upper die base 4. After adopting the above scheme, when in use, the hydraulic cylinder 7 provides the power for lifting and lowering the upper die base 4.

[0048] Preferably, by Figure 1 As shown, this embodiment also includes: guide columns 8, two guide columns 8 are symmetrically fixed to the top surface of the upper mold base 4, and the guide columns 8 pass through the top plate 3. After adopting the above scheme, when in use, the two guide columns 8 are used to guide the upper mold base 4, thereby improving the stability of the upper mold base 4.

[0049] Preferably, by Figure 1 As shown, in this embodiment, it also includes: support legs 102, a bracket 11 and a collection box 12. The four support legs 102 are diagonally fixed to the four corners of the bottom surface of the processing platform 1, and the bracket 11 is fixed on the support legs 102. The bracket 11 is a "U"-shaped component and is located directly below the lower mold base 6. The collection box 12 is installed in the bracket 11 by pulling and pulling. After adopting the above scheme, when in use, the waste generated by punching will pass through the discharge hole 601 into the collection box 12, and the collection box 12 can be pulled out later for cleaning.

[0050] Preferably, by Figure 1 As shown, in this embodiment, the utility model further comprises: a handle 121 , which is fixed to the end surface of the sundry collecting box 12 . After adopting the above solution, the sundry collecting box 12 can be easily drawn out by the provided handle 121 .

[0051] Preferably, by Figure 1 and Figure 4 As shown, in this embodiment, it also includes: an n-type frame 401, a locking bolt 13 and a No. 1 nut 14. The n-type frame 401 is fixed to the bottom surface of the upper die base 4, and the top of the punching blade 5 is embedded in the n-type frame 401. The locking bolt 13 passes through the n-type frame 401 and the punching blade 5. The No. 1 nut 14 is installed on the protruding end of the locking bolt 13 by threaded engagement. After adopting the above scheme, the utility model realizes the fixed installation of the punching blade 5 through the locking bolt 13 and the No. 1 nut 14. Under the premise of ensuring stable installation, installation and disassembly are very convenient, and it is easy to install, use, and disassemble and repair.

[0052] Preferably, by Figure 1 and Figure 4As shown, this embodiment also includes: a limit plate 402, a pressure plate 15, a threaded column 16, a No. 2 nut 17 and a telescopic spring 18. The two limit plates 402 are symmetrically fixed to the outer wall of the n-type frame 401, and the pressure plate 15 is located directly below the limit plate 402. The two threaded columns 16 are symmetrically fixed to the top surface of the pressure plate 15, and the threaded column 16 passes through the limit plate 402. The No. 2 nut 17 is installed on the protruding end of the threaded column 16 by threaded engagement. The telescopic spring 18 is sleeved on the threaded column 16 and is located between the limit plate 402 and the pressure plate 15. After adopting the above scheme, in the process of the upper mold base 4 moving downward, the pressure plate 15 first contacts the injection molded part, and the upper mold base 4 continues to move downward, the telescopic spring 18 contracts, and the pressure plate 15 is used to press the injection molded part, thereby further improving the stability of the injection molded part.

[0053] It should be noted that the initial height of the pressing plate 15 can be adjusted by rotating the No. 2 nut 17 .

[0054] It should be noted that the hydraulic cylinder 7, the clamping cylinder 903 and the pushing cylinder 1003 are all conventional commercially available equipment with built-in power switches. Those skilled in the art can make conventional selections according to usage needs. Their working principles are common knowledge known to those skilled in the art and have been fully disclosed by the existing technology, so they will not be elaborated on in this article.

[0055] The circuit connection involved in the present invention is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, and it belongs to the widely used existing technology.

[0056] Components not described in detail herein are prior art.

[0057] Working principle and use process of the present invention: When using the punching die of the present invention, the injection molded part to be punched is placed between two sets of clamping mechanisms 9, and then the clamping cylinder 903 is activated to make the clamping plates 902 on both sides move inward at the same time, so that the clamping plates 902 are in contact with but not clamping the injection molded part, thereby centering the injection molded part;

[0058] Then, the push cylinder 1003 is started, and the push block 1002 is driven by the push cylinder 1003 to move, and the push block 1002 is used to push the injection molded part to move, and the injection molded part is pushed to the punching position, and then the clamping cylinder 903 is started, and the injection molded part is clamped by the clamping plate 902;

[0059] Finally, the hydraulic cylinder 7 is activated to move the upper die base 4 downward, so that the punching blade 5 moves downward, and the waste material generated by the punching will pass through the waste material discharge hole 601 into the waste collection box 12. The waste collection box 12 can be pulled out later for cleaning.

[0060] After the punching is completed, the upper die base 4 drives the punching blade 5 to move upward and reset, and then the clamping cylinder 903 is started to make the clamping plate 902 not clamp the injection molded part, and finally the pushing cylinder 1003 is started to drive the pushing block 1002 to move, and the pushing block 1002 is used to push the injection molded part to move for unloading. When the injection molded part needs to be punched multiple times, the pushing block 1002 is used to push the injection molded part to the punching position, and the injection molded part will push out the cut part for unloading;

[0061] The present invention utilizes the clamping mechanism 9 to clamp the injection molded parts to ensure the stability of the injection molded parts. It can not only clamp injection molded parts of different widths, but also has the function of centering. The pushing mechanism 10 can be used to position the injection molded parts and at the same time push the injection molded parts to be transferred, making it easier to unload and cut the injection molded parts multiple times, thereby greatly improving the processing efficiency.

[0062] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A punching die for injection molding production, comprising a processing platform (1), an upper die base (4) arranged on the processing platform (1) and movable in a vertical direction, a punching blade (5) fixed to the bottom surface of the upper die base (4), and a lower die base (6), wherein a mounting opening (101) is formed on the processing platform (1), the lower die base (6) is fixed in the mounting opening (101), and a debris removal hole (601) is formed on the lower die base (6) and is located directly below the punching blade (5), characterized in that: Also includes: A clamping mechanism (9), wherein two groups of the clamping mechanisms (9) are symmetrically fixed on the top surface of the processing platform (1), and the clamping mechanism (9) comprises a No. 1 fixing plate (901) fixed on the processing platform (1), a clamping plate (902) located on one side of the No. 1 fixing plate (901), and a clamping cylinder (903) fixed on the No. 1 fixing plate (901), wherein the piston rod of the clamping cylinder (903) passes through the No. 1 fixing plate (901) and is fixedly connected to the clamping plate (902); A pushing mechanism (10) is fixed to the top surface of the processing platform (1) and is located between the two groups of clamping mechanisms (9). The pushing mechanism (10) includes a No. 2 fixed plate (1001) fixed on the processing platform (1), a pushing block (1002) located on one side of the No. 2 fixed plate (1001), and a pushing cylinder (1003) fixed on the No. 2 fixed plate (1001). The piston rod of the pushing cylinder (1003) passes through the No. 2 fixed plate (1001) and is fixedly connected to the pushing block (1002).

2. The punching die for injection molding according to claim 1, characterized in that: The clamping mechanism (9) further comprises: Guide rods (904), two guide rods (904) are symmetrically fixed to the outer wall of the clamping plate (902), and the guide rods (904) pass through the first fixing plate (901).

3. The punching die for injection molding according to claim 1, characterized in that: Also includes: Side upright plates (2), two side upright plates (2) are symmetrically fixed to the top surface of the processing platform (1); A top plate (3), the top plate (3) being fixed to the top end of the side plate (2); A hydraulic cylinder (7) is fixed to the top surface of the top plate (3), and a piston rod of the hydraulic cylinder (7) passes through the top plate (3) and is fixedly connected to the upper die base (4).

4. The punching die for injection molding according to claim 3, characterized in that: Also includes: Guide columns (8), two guide columns (8) are symmetrically fixed on the top surface of the upper die base (4), and the guide columns (8) pass through the top plate (3).

5. The punching die for injection molding according to claim 1, characterized in that: Also includes: Support legs (102), wherein four support legs (102) are fixed diagonally to the four corners of the bottom surface of the processing platform (1); A bracket (11), the bracket (11) is fixed on the support leg (102), the bracket (11) is a "U"-shaped component and is located directly below the lower die base (6); A sundry box (12) is installed in the bracket (11) by pulling.

6. The punching die for injection molding according to claim 5, characterized in that: Also includes: A handle (121) is fixed to the end surface of the sundry collection box (12).

7. The punching die for injection molding according to claim 1, characterized in that: Also includes: An n-shaped frame (401), wherein the n-shaped frame (401) is fixed to the bottom surface of the upper die base (4), and the top end of the punching blade (5) is embedded in the n-shaped frame (401); a locking bolt (13), the locking bolt (13) passing through the n-shaped frame (401) and the punching blade (5); A number one nut (14) is mounted on the protruding end of the locking bolt (13) by screwing.

8. The punching die for injection molding according to claim 7, characterized in that: Also includes: Limiting plates (402), two limiting plates (402) are symmetrically fixed to the outer wall of the n-shaped frame (401); A pressing plate (15), the pressing plate (15) being located directly below the limiting plate (402); Threaded columns (16), two of the threaded columns (16) are symmetrically fixed on the top surface of the pressing plate (15), and the threaded columns (16) pass through the limiting plate (402); A second nut (17), the second nut (17) being mounted on the protruding end of the threaded column (16) by screwing; A telescopic spring (18), wherein the telescopic spring (18) is sleeved on the threaded column (16) and is located between the limiting plate (402) and the pressing plate (15).

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