Screw die

Abstract

The utility model relates to the field of dies, in particular to a screw die, which is characterized in that a material pushing block is movably arranged at the top of a die mounting column body, a mounting cavity is arranged in the die mounting column body, an inner core sleeve is arranged at the bottom of the mounting cavity, an inner core is movably arranged in the inner core sleeve, and a punching head mechanism is arranged on the mounting cavity above the inner core sleeve; a plurality of push rods are evenly arranged, vertically and movably arranged on the punching head mechanism, the tops of the push rods are all installed on a material pushing block, and a third through hole is formed in the middle of the material pushing block. After a device conveys a screw to a hexagonal punching head for punching, the push rods drive the material pushing block, and the screw clamped on the hexagonal punching head can be effectively pushed out and falls off; therefore, the screw is prevented from being clamped on the hexagonal punching head and cannot be taken down, subsequent punching is prevented from being affected, other screws are prevented from impacting the clamped screw during subsequent punching, the clamped screw can be effectively and automatically unloaded, and the punching efficiency of the die is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to die technical field especially relates to a screw die. BACKGROUND

[0002] Screw die is used for manufacturing special tool of screw, it passes through specific craft and structure design, can efficiently, accurately produce various types and specifications of screw. Screw as a common fastener, in mechanical manufacturing, automobile manufacturing, electronic equipment, building industry etc. Many fields have extensive application.

[0003] Most of the hexagonal groove on the screw is formed by stamping, but the existing stamping die is relatively simple, only has a stamping head, in the automatic production, once the screw is stuck in the stamping head and cannot be easily taken down, will cause two screws to collide together when the subsequent automatic screw installation, thereby causing the damage of screw. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in prior art, and proposes a screw die.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A screw die, including die installation column body, the die installation column body top movablely provided with push material block, the die installation column body inside is provided with installation cavity, the installation cavity bottom is provided with inner core cover, and the inner core cover inside movablely provided with inner core, the installation cavity is located on the inner core cover top and is provided with stamping head mechanism, a plurality of push rods are vertically and movably arranged on the stamping head mechanism, and the push rod top is installed on the push material block.

[0007] The third through hole is formed in the middle of the push material block, a plurality of fourth through holes are uniformly arranged around the third through hole, the push rod top is installed at the fourth through hole, a first screw hole is formed in the side wall of the push material block and communicated with the fourth through hole, and a fixing component for fixing the push rod is installed at the first screw hole.

[0008] In addition, preferably, a clamping groove is formed in the middle of the side wall of the die installation column body, and a second through hole coaxial with the third through hole is formed in the middle of the top end of the die installation column body.

[0009] In addition, preferably, a plurality of first through holes coaxial with the fourth through hole are uniformly arranged around the second through hole, and the push rod is movably arranged at the first through hole.

[0010] In addition, preferably, the push rod comprises a first column body at the bottom, a second column body fixedly connected above the first column body, and a third column body fixedly connected at the top of the second column body, and second screw holes for mounting the fixing components are formed in the side walls of the third column body.

[0011] In addition, preferably, a cavity is vertically formed in the inner core sleeve, and the inner core is arranged to slide in the cavity and used to push the push rod vertically.

[0012] In addition, preferably, the punch head mechanism comprises a limiting block, and a hexagonal punch head is vertically arranged in the middle of the top surface of the limiting block and located at the second and third through holes.

[0013] In addition, preferably, the limiting block is mounted inside the mounting cavity and above the inner core sleeve, a plurality of fifth through holes are uniformly arranged around the hexagonal punch head on the limiting block, and the push rod is arranged to move vertically in the fifth through holes.

[0014] The device in the utility model can effectively push out the screw stuck on the hexagonal punch head after the screw is punched on the hexagonal punch head, thereby preventing the screw from being stuck on the hexagonal punch head and affecting subsequent punching, and preventing other screws from colliding with the stuck screw during subsequent punching. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Fig. 6 is a structural schematic view of the screw mold after assembly;

[0016] Figure 2 Fig. 7 is a structural schematic view of the screw mold in a pushing state;

[0017] Figure 3 Fig. 8 is a sectional view of the screw mold;

[0018] Figure 4 Fig. 9 is a structural schematic view of the screw mold after disassembly;

[0019] Figure 5 Fig. 10 is a structural schematic view of a mold mounting column body;

[0020] Figure 6 Fig. 11 is a structural schematic view of the top of a punch head mechanism;

[0021] Figure 7 Fig. 12 is a structural schematic view of the bottom of the punch head mechanism;

[0022] Figure 8 Fig. 13 is a structural schematic view of the push rod and the pushing block after disassembly;

[0023] Figure 9 is a structural schematic view of the pushing block;

[0024] Figure 10 is a structural schematic view of the pushing rod;

[0025] Figure 11 is a structural schematic view of the inner core sleeve.

[0026] In the figure: 1, the mold mounting column, 11, the clamping groove, 12, the mounting cavity, 13, the first through hole, 14, the second through hole, 2, the pushing block, 21, the third through hole, 22, the fourth through hole, 23, the first screw hole, 3, the stamping head mechanism, 31, the hexagonal stamping head, 32, the limiting block, 321, the fifth through hole, 4, the fixed part, 5, the inner core sleeve, 51, the cavity, 6, the inner core, 7, the pushing rod, 71, the first column, 72, the second column, 73, the third column, 74, the second screw hole. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] Referring to Figures 1-11 A screw mold, comprising a mold mounting column 1, the top of the mold mounting column 1 movably provided with a pushing block 2, the inside of the mold mounting column 1 is provided with a mounting cavity 12, the bottom of the mounting cavity 12 is provided with an inner core sleeve 5, the inside of the inner core sleeve 5 is movably provided with an inner core 6, the mounting cavity 12 is installed above the inner core sleeve 5 and is provided with a stamping head mechanism 3, a plurality of pushing rods 7 are vertically movably arranged on the stamping head mechanism 3, the top of the pushing rod 7 is installed on the pushing block 2, the middle of the pushing block 2 is provided with a third through hole 21, a plurality of fourth through holes 22 are uniformly arranged around the third through hole 21 of the pushing block 2, the top of the pushing rod 7 is installed at the fourth through hole 22, the sidewall of the pushing block 2 is provided with a first screw hole 23 in communication with the fourth through hole 22, the first screw hole 23 is installed with a fixed part 4 for fixing the pushing rod 7, and the pushing block 2 is used for pushing out the screws that cannot fall off.

[0029] Among them, the middle of the sidewall of the mold mounting column 1 is provided with a clamping groove 11, the top of the mold mounting column 1 is provided with a second through hole 14 coaxial with the third through hole 21, and the clamping groove 11 is used for the installation of the mold mounting column 1.

[0030] Furthermore, a plurality of first through holes 13 coaxial with the fourth through hole 22 are evenly arranged around the second through hole 14, and the push rod 7 is arranged to be movable at the first through hole 13, the push rod 7 comprises a first column body 71 at the bottom, a second column body 72 is fixedly connected above the first column body 71, a third column body 73 is fixedly connected at the top of the second column body 72, a second screw hole 74 for mounting the fixing component 4 is formed in the side wall of the third column body 73, and the third column body 72 is used for abutting against the bottom of the limiting block 32, and the second column body 72 is used for abutting against the bottom of the pushing block 2.

[0031] Meanwhile, a cavity 51 is vertically and through formed in the inner core sleeve 5, and the inner core 6 is arranged to slide at the cavity 51, the inner core 6 is used for pushing the push rod 7 to vertically move, and the inner core 6 is used for pushing the push rod 7 to move.

[0032] Furthermore, the stamping head mechanism 3 comprises a limiting block 32, a hexagonal stamping head 31 is vertically arranged at the middle of the top surface of the limiting block 32, the hexagonal stamping head 31 is located at the second through hole 14 and the third through hole 21, the limiting block 32 is mounted inside the mounting cavity 12 and above the inner core sleeve 5, a plurality of fifth through holes 321 are evenly arranged around the hexagonal stamping head 31 on the limiting block 32, the push rod 7 is arranged to vertically move at the fifth through hole 321, and the hexagonal stamping head 31 is used for stamping and forming a hexagonal groove of a screw.

[0033] In the embodiment, when the mold is assembled, the push rod 7 is inserted into the fifth through hole 321, then the stamping head mechanism 3 and the push rod 7 are inserted into the mounting cavity 12, the push rod 7 is passed through the first through hole 13 and the fourth through hole 22, the second screw hole 74 is aligned with the first screw hole 23, the fixing component 4 is mounted, the push rod 7 and the pushing block 2 are mounted and connected together, and then the inner core sleeve 5 and the inner core 6 are inserted into the mounting cavity 12.

[0034] After the machine sends the screw to the hexagonal stamping head 31 for stamping, the inner core 6 is pushed by the existing pneumatic telescopic device, the inner core 6 pushes the push rod 7, the push rod 7 drives the pushing block 2 to push out, so that the screw stamped on the hexagonal stamping head 31 is pushed out, and the screw is prevented from being stuck on the hexagonal stamping head 31, and the screw can push the pushing block 2 to reset when next time stamping.

[0035] In the embodiment, after the machine sends the screw to the hexagonal stamping head 31 for stamping, the push rod 7 drives the pushing block 2, so that the screw stuck on the hexagonal stamping head 31 can be effectively pushed out and dropped, the screw stuck on the hexagonal stamping head 31 is prevented from being removed, so that the subsequent stamping is affected, other screws are prevented from impacting the stuck screw during subsequent stamping, and the stuck screw can be effectively automatically removed.

[0036] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A screw mold, comprising a mold mounting column (1), characterized in that, The mold mounting column (1) is movably provided with a pusher block (2) at the top. The mold mounting column (1) is provided with an installation cavity (12). The bottom of the installation cavity (12) is provided with an inner core sleeve (5). An inner core (6) is movably provided inside the inner core sleeve (5). A stamping head mechanism (3) is installed above the inner core sleeve (5) in the installation cavity (12). Multiple push rods (7) are evenly arranged vertically and movably on the stamping head mechanism (3). The tops of the push rods (7) are all installed on the pusher block (2). The pusher block (2) has a third through hole (21) in the middle. The pusher block (2) has a plurality of fourth through holes (22) evenly arranged around the third through hole (21). The top of the pusher rod (7) is installed at the fourth through hole (22). The pusher block (2) has a first screw hole (23) communicating with the fourth through hole (22) on its side wall. Fixing components (4) for fixing the pusher rod (7) are installed at the first screw hole (23).

2. A screw mold according to claim 1, characterized in that, The mold mounting column (1) has a slot (11) in the middle of its side wall, and a second through hole (14) coaxial with the third through hole (21) in the middle of its top.

3. A screw mold according to claim 2, characterized in that, The second through hole (14) is surrounded by a plurality of first through holes (13) that are coaxial with the fourth through hole (22), and the push rod (7) is located at the first through hole (13).

4. A screw mold according to claim 3, characterized in that, The push rod (7) includes a first column (71) at the bottom, a second column (72) fixedly connected above the first column (71), a third column (73) fixedly connected to the top of the second column (72), and a second screw hole (74) for installing the fixing component (4) is provided on the side wall of the third column (73).

5. A screw mold according to claim 1, characterized in that, The inner core sleeve (5) has a vertical cavity (51) through it, and the inner core (6) slides in the cavity (51). The inner core (6) is used to push the push rod (7) to move vertically.

6. A screw mold according to claim 1, characterized in that, The stamping head mechanism (3) includes a limiting block (32), and a hexagonal stamping head (31) is vertically arranged in the middle of the top surface of the limiting block (32). The hexagonal stamping head (31) is located at the second through hole (14) and the third through hole (21).

7. A screw mold according to claim 5, characterized in that, The limiting block (32) is installed inside the mounting cavity (12) and above the inner core sleeve (5). Multiple fifth through holes (321) are evenly arranged on the limiting block (32) around the hexagonal punch head (31). The push rod (7) is set at the fifth through hole (321) and moves vertically.

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