CN216095984U

CN216095984U - Many mold inserts forming die

Info

Publication number: CN216095984U
Application number: CN202122823931.XU
Authority: CN
Inventors: 周寿华; 汪洋; 陈节盛
Original assignee: Xiamen Xinhuite Precision Mould Co ltd
Current assignee: Xiamen Xinhuite Precision Mould Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-03-22
Anticipated expiration: 2031-11-17

Abstract

The application relates to a multi-insert forming die, which comprises an upper die module and a lower die module, wherein the lower die module comprises a lower die base and a plurality of inserts connected to the lower die base in a sliding manner, and the upper surface of the lower die base is provided with a positioning assembly used for positioning a special-shaped cutter used in cooperation with the forming die; all the inserts are arranged around the positioning assembly, when the upper die module is tightly pressed on the lower die module, all the inserts are folded inwards, and adjacent inserts are mutually abutted; and forming a forming space matched with the special-shaped cutter between all the inserts and the positioning assembly. The utility model provides a many mold inserts forming die further processes special-shaped cutter through the mode of mould pressing plastic, can make the structural density increase at special-shaped cutter tooth position, is favorable to improving special-shaped cutter's structural strength, and then improves special-shaped cutter's life.

Description

Many mold inserts forming die

Technical Field

The application relates to the technical field of cutter forming dies, in particular to a multi-insert forming die.

Background

Referring to fig. 1, a special-shaped cutter 3 is currently available on the market, a plurality of special-shaped cutter teeth 31 are arranged on the outer peripheral side of the special-shaped cutter, each special-shaped cutter tooth 31 is in an irregular concave-convex shape, and all the special-shaped cutter teeth 31 are arranged around the outer peripheral surface of the special-shaped cutter tooth 3 at equal intervals.

Because the shape of the special-shaped cutter tooth is irregular, the special-shaped cutter is usually processed by adopting a casting forming mode; a cavity matched with the special-shaped cutter is formed in the mold, then liquid casting liquid is added into the cavity, and the casting liquid is solidified after being cooled to form the special-shaped cutter. However, the forming quality of the corners inside the cavity is poor during casting forming, sharp cutting edges are difficult to form at the positions of the special-shaped cutter teeth, and the special-shaped cutter needs to be further formed.

The existing method for further forming the casting-formed special-shaped cutter generally comprises the steps of grinding and polishing the tooth part of the special-shaped cutter; however, the thickness of the special-shaped cutter tooth part is thinned by the processing mode, the structural strength of the special-shaped cutter tooth is reduced, and the service life of the special-shaped cutter is not facilitated.

SUMMERY OF THE UTILITY MODEL

In order to improve the life of special-shaped cutter, this application provides a many mold inserts forming die.

The application provides a many mold inserts forming die adopts following technical scheme:

a multi-insert forming die comprises an upper die module and a lower die module, wherein the lower die module comprises a lower die base and a plurality of inserts connected to the lower die base in a sliding mode, a positioning assembly is mounted on the upper surface of the lower die base and used for positioning a special-shaped cutter matched with the forming die; all the inserts are arranged around the positioning assembly, when the upper die module is tightly pressed on the lower die module, all the inserts are folded inwards, and adjacent inserts are mutually abutted; and forming a forming space matched with the special-shaped cutter between all the inserts and the positioning assembly.

Through adopting foretell technical scheme, the forming die of this application is when using, through installing special-shaped cutter in locating component, then orders about with the help of drive assembly and goes up the die set and push down to lower die set, goes up the die set and can drive all mold inserts and inwards draw in for form specific shaping space between all mold inserts and the locating component, and the special-shaped sword tooth of special-shaped cutter week side can be extruded in shaping space and form sharp blade shape. The special-shaped cutter is further processed in a mould pressing and shaping mode, the structural density of the tooth part of the special-shaped cutter is increased, the structural strength of the special-shaped cutter is improved, and the service life of the special-shaped cutter is prolonged.

Optionally, the insert includes an extrusion portion and a sliding portion that are integrally formed, the shape of the extrusion portion is matched with the shape of the special-shaped cutter teeth, and the adjacent extrusion portions abut against each other to form the forming space.

The upper surface of the lower die base is provided with sliding chutes the number of which is matched with that of the sliding parts, and the extension direction of each sliding chute is arranged towards the positioning assembly; the width of the sliding parts is matched with the width of the sliding grooves, and all the sliding parts are arranged in the sliding grooves in a one-to-one correspondence mode.

By adopting the technical scheme, the sliding part is matched with the sliding groove to facilitate the movement of the insert, so that the extrusion parts are convenient to mutually approach and gradually furl; all extrusion parts can form the shaping space with locating component after drawing in each other for special-shaped cutter tooth can be extruded in the shaping space and form sharp blade shape.

Optionally, one side of the chute, which is far away from the positioning assembly, is provided with a positioning groove, and the width of the positioning groove is smaller than that of the sliding part.

Through adopting foretell technical scheme, set up the width of constant head tank for being less than the width of the portion of sliding, when the portion of sliding moves along the spout to the direction of keeping away from locating component, the portion of sliding can support by the transition department in spout and constant head tank, reduces the portion of sliding and breaks away from the spout and drops in the possibility outside the die holder.

Optionally, one side of the positioning groove departing from the sliding groove is communicated with the outer side wall of the lower die base.

Through adopting foretell technical scheme, link up the lateral wall to the die holder with the constant head tank, can be convenient for go out spout and constant head tank at the upper surface processing of die holder, reduce the complexity of die holder processing technology.

Optionally, the upper die module comprises an upper die base, a limiting groove is formed in the lower surface of the upper die base, when the upper die module abuts against the lower die module, the adjacent extrusion parts abut against each other, and all the extrusion parts enter the limiting groove together and abut against the inner wall of the limiting groove.

Through adopting foretell technical scheme, go up the die set and lean on behind the die set, all extrusion portions all get into the spacing inslot and lean on in the inner wall of spacing groove, can reduce the extrusion portion and receive special-shaped cutter's reaction force and the outward possibility that moves back when carrying out the mould pressing plastic to special-shaped cutter, improve special-shaped cutter's shaping quality.

Optionally, a plurality of guide posts are fixed on the upper die holder, the number of the guide posts is matched with the number of the sliding parts, and all the guide posts are equidistantly arranged on the outer peripheral side of the limiting groove; one end of each guide post, which is far away from the upper die base, is obliquely arranged outwards; each sliding part is provided with a jack matched with the guide post, and when the upper die module is close to the lower die module, the guide posts are inserted in the jacks and force all the extrusion parts to be folded inwards.

Through adopting foretell technical scheme, the one end that the upper die base was kept away from to the guide post leans out the setting, and when the upper die module was close to the lower mould module, the guide post can insert in the jack and drive all extrusion portions and draw in each other to be convenient for carry out the mould pressing plastic to special-shaped cutter. In addition, after the shaping of the special-shaped cutter is completed, the upper die module moves in the direction away from the lower die module, and the guide columns can push the sliding parts to be separated outwards, so that the extruding parts are separated from the outer peripheral side of the special-shaped cutter, the special-shaped cutter can be conveniently detached from the positioning assembly, and the special-shaped cutter can be conveniently demolded.

Optionally, a plurality of stop blocks are embedded in the inner wall of the limiting groove, and all the stop blocks are arranged around the central axis of the limiting groove at equal intervals; the hardness of the stop block is greater than that of the upper die base, and when the extrusion parts enter the limiting grooves, each extrusion part is tightly abutted to the stop block.

Through adopting foretell technical scheme, set up the hardness of dog for being greater than the hardness of upper die base, the dog can play main limiting displacement, can reduce the lateral wall compressive deformation's of spacing groove when carrying out the mould pressing plastic to special-shaped cutter possibility. In addition, compared with the mode that the hardness of the whole upper die holder is increased, the limit block is embedded in the inner wall of the limit groove, the processing cost of the upper die holder can be greatly reduced, and the waste of resources is reduced.

Optionally, the positioning assembly includes an insert column and a positioning pin fixed to the lower die holder, respectively, and the positioning pin is located outside the insert column; the moving direction of the insert is arranged towards the insert column.

Through adopting foretell technical scheme, the setting of inserted column is used for matcing grafting special-shaped cutter, and the setting of locating pin is used for reducing special-shaped cutter around inserting the pivoted possibility of post axis to steadiness when improving special-shaped cutter location.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the method, the special-shaped cutter is further processed in a mould pressing and shaping mode, so that the structural density of the tooth part of the special-shaped cutter can be increased, the structural strength of the special-shaped cutter is improved, and the service life of the special-shaped cutter is prolonged;

2. by arranging the guide posts, when the upper die module is close to the lower die module, the guide posts can be inserted into the jack and drive all the extrusion parts to be mutually folded, so that the special-shaped cutter can be conveniently molded and shaped;

3. after the shaping of the special-shaped cutter is completed, the upper die module moves in the direction away from the lower die module, and the guide columns can push the sliding parts to be separated outwards, so that the extruding parts are separated from the peripheral side of the special-shaped cutter, the special-shaped cutter can be conveniently detached from the positioning assembly, and the special-shaped cutter can be conveniently demolded.

Drawings

FIG. 1 is a schematic structural diagram of a profile tool in the background art;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a lower die set in the embodiment of the present application;

FIG. 4 is a schematic view of the installation of the sliding part to the sliding chute in the embodiment of the present application;

FIG. 5 is a schematic structural view of all the squeezing portions of the present embodiment when they are closed;

fig. 6 is a schematic structural diagram of a lower die set in the embodiment of the present application.

Description of reference numerals: 1. a lower die module; 11. a lower die holder; 111. a chute; 112. positioning a groove; 113. an anti-drop block; 114. a yielding groove; 12. an insert; 121. a pressing section; 122. a sliding part; 1221. a jack; 13. a positioning assembly; 131. inserting a column; 132. positioning pins; 14. a molding space; 2. an upper die module; 21. an upper die holder; 211. a limiting groove; 22. a guide post; 23. a stopper; 3. a special-shaped cutter; 31. special-shaped cutter teeth; 32. and the shaft hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses many mold inserts forming die.

Referring to fig. 1 and 2, the multi-insert molding die comprises an upper die module 2 and a lower die module 1; the lower die set 1 comprises a lower die base 11 and a plurality of inserts 12, wherein a positioning assembly 13 is fixed at the center of the upper surface of the lower die base 11, and the positioning assembly 13 is used for positioning the special-shaped cutter 3 matched with the forming die for use. The special-shaped cutter 3 is integrally formed with a plurality of special-shaped cutter teeth 31, the number of the special-shaped cutter teeth 31 is eight in the embodiment, and all the special-shaped cutter teeth 31 are equidistantly arranged on the outer peripheral side of the special-shaped cutter 3; the special-shaped cutter 3 is provided with an axial hole 32 which penetrates through the special-shaped cutter in the axial direction, and a positioning hole is formed in one end part of the special-shaped cutter 3.

Referring to fig. 1 and 3, the positioning assembly 13 includes an insert column 131 and a positioning pin 132, wherein the insert column 131 is fixed at the center of the upper surface of the lower die base 11; the inserting column 131 of the present embodiment is configured as a cylindrical rod, and the outer diameter of the inserting column 131 is set to be equal to the inner diameter of the shaft hole 32, so that the inserting column 131 can be inserted into the shaft hole 32 of the special-shaped tool 3 in a matching manner. The positioning pin 132 is fixed on the upper surface of the lower die holder 11 and located outside the inserting column 131, when the inserting column 131 is matched and inserted in the shaft hole 32, the special-shaped cutter 3 is rotated to enable the positioning pin 132 to be matched and inserted in the positioning hole, so that the effect of stably fixing the special-shaped cutter 3 is achieved, and the possibility that the special-shaped cutter 3 rotates around the central axis of the inserting column 131 is reduced.

Referring to fig. 3 and 4, a plurality of sliding grooves 111 are formed in the upper surface of the lower die holder 11, and the number of the sliding grooves 111 is equal to that of the special-shaped cutter teeth 31; all the sliding grooves 111 are disposed around the outer periphery of the plug 131, and the extending direction of each sliding groove 111 is disposed opposite to the plug 131.

Referring to fig. 3, the number of the inserts 12 is equal to the number of the special-shaped cutter teeth 31, and each insert 12 includes an extruding portion 121 and a sliding portion 122 which are integrally formed; each of the sliding portions 122 is correspondingly installed in the sliding groove 111, so that each of the inserts 12 can slide on the upper surface of the lower die base 11, and the inserts 12 can be folded or separated from each other.

Referring to fig. 3 and 4, the sliding portion 122 of the present embodiment is T-shaped, the width of the lower portion of the sliding portion 122 is greater than the width of the upper portion of the sliding portion 122, and the width of the lower portion of the sliding portion 122 is equal to the width of the sliding slot 111; after the sliding portion 122 is fittingly installed on the sliding groove 111, the anti-falling blocks 113 are respectively embedded on the side walls of both sides of the sliding groove 111, and the distance between the two anti-falling blocks 113 is equal to the width of the upper portion of the sliding portion 122, so as to prevent the sliding portion 122 from being separated from the sliding groove 111.

Referring to fig. 3 and 4, a positioning groove 112 is formed in one side of each sliding groove 111 away from the corresponding insert column 131, in this embodiment, the positioning groove 112 is a through groove penetrating through the outer side wall of the lower column holder 11, and the width of the positioning groove 112 is smaller than the width of the upper portion of the sliding portion 122; when the sliding part 122 moves to the transition position between the sliding groove 111 and the positioning groove 112, the movement of the sliding part 122 is limited, and the possibility that the sliding part slides out of the sliding groove 111 and falls outside the lower die base 11 can be reduced.

Referring to fig. 3 and 5, each pressing portion 121 is located on one side of the adjacent sliding portion 122 close to the insert column 131, so that all the pressing portions 121 are equidistantly disposed on the outer peripheral side of the insert column 131. When each sliding part 122 moves towards the direction close to the insert column 131, all the extrusion parts 121 can be folded, finally, the adjacent extrusion parts 121 are abutted to each other, all the extrusion parts 121 together form a circular ring shape, and a forming space 14 with the same shape as the special-shaped cutter 3 is formed between the extrusion parts 121 and the insert column 131, so that the special-shaped cutter 3 can be molded and shaped.

Referring to fig. 2 and 6, the upper die module 2 includes an upper die base 21 and a plurality of guide posts 22 fixed to a lower surface of the upper die base 21; the lower surface of the upper die holder 21 is provided with a limiting groove 211, the limiting groove 211 is positioned in the center of the upper die holder 21, and the central axis of the limiting groove 211 is coaxial with the central axis of the insert column 131; the number of the guide posts 22 is equal to the number of the sliding parts 122, all the guide posts 22 are equidistantly disposed on the outer periphery of the limiting groove 211, and one end of each guide post 22 away from the upper die holder 21 is inclined outwards.

Referring to fig. 4 and 6, each sliding portion 122 is provided with an insertion hole 1221 penetrating through the upper and lower sides of the sliding portion 122, the insertion holes 1221 in this embodiment are also inclined, and the inclined direction of the insertion hole 1221 is the same as the inclined direction of the adjacent guiding columns 22, so that each guiding column 22 can be inserted into the insertion hole 1221 in a matching manner. The bottom of the sliding groove 111 is further provided with a yielding groove 114, and when the guide column 22 penetrates through the insertion hole 1221, the guide column can enter the yielding groove 114, so that the possibility of interference between the guide column 22 and the lower die holder 11 is reduced when the stroke of the upper die set 2 is long.

The forming die of this application is when 3 mould pressing plastic to special-shaped cutter, is fixed in inserting post 131 with special-shaped cutter 3, then orders about upper die base 21 with the help of drive assembly and moves down, and each guide post 22 can the one-to-one insert in jack 1221 this moment to force all extrusion portions 121 to inwards draw in and get into in the spacing groove 211 gradually. When the upper die holder 21 moves downwards to abut against the upper surface of the sliding part 122, the adjacent squeezing parts 121 abut against each other, and all the squeezing parts 121 abut against the outer peripheral side of the special-shaped cutter 3 together, so that the special-shaped cutter teeth 31 of the special-shaped cutter 3 form a sharp cutting edge; at this time, each forming portion abuts against the inner wall of the limiting groove 211, so that the possibility that the forming portion is retracted outwards due to the reaction force of the special-shaped cutter 3 can be reduced.

After the special-shaped cutter 3 finishes shaping, the upper die base 21 is driven to move upwards by means of the driving assembly, each guide column 22 can move upwards along with the upper die base 21, and meanwhile each guide column 22 pushes the sliding part 122 to move towards the direction far away from the inserting column 131, so that each extrusion part 121 is driven to be far away from the special-shaped cutter 3, and demolding and taking out of the special-shaped cutter 3 can be facilitated.

Referring to fig. 6, a plurality of stoppers 23 are further embedded in the inner wall of the limiting groove 211, all the stoppers 23 are equidistantly arranged around the central axis of the limiting groove 211, and the inner side surfaces of the stoppers 23 are flush with the inner wall of the limiting groove 211; the stop block 23 of the embodiment is made of high-hardness alloy steel, so that the hardness of the stop block 23 is greater than that of the upper die base 21, and the stop block 23 plays a main limiting role at the moment. The number of the stoppers 23 is half of the number of the pressing portions 121, and when the pressing portions 121 abut against the inner wall of the limiting groove 211, the stoppers 23 can simultaneously block two adjacent pressing portions 121, so that the eight pressing portions 121 can be well limited by the four stoppers 23, the number of the stoppers 23 is reduced, and the processing cost of the upper die holder 21 is reduced.

The implementation principle of the multi-insert forming die in the embodiment of the application is as follows:

this application is further processed special-shaped cutter 3 through the mode of mould pressing plastic, has avoided getting rid of, leading to the condition of special-shaped cutter tooth 31 position thickness attenuation to the material at special-shaped cutter tooth 31 position. In addition, the structural density of the special-shaped cutter teeth 31 is increased by the mould pressing shaping mode, the structural strength of the special-shaped cutter 3 is improved, and the service life of the special-shaped cutter 3 is prolonged.

The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a many mold inserts forming die which characterized in that: the die comprises an upper die module (2) and a lower die module (1), wherein the lower die module (1) comprises a lower die base (11) and a plurality of inserts (12) connected to the lower die base (11) in a sliding mode, a positioning assembly (13) is installed on the upper surface of the lower die base (11), and the positioning assembly (13) is used for positioning a special-shaped cutter (3) matched with a forming die for use; all the inserts (12) are arranged around the positioning assembly (13), when the upper die module (2) is pressed against the lower die module (1), all the inserts (12) are folded inwards, and adjacent inserts (12) are mutually abutted; forming a forming space (14) matched with the special-shaped cutter (3) between all the inserts (12) and the positioning assembly (13).

2. The multi-insert molding mold according to claim 1, wherein: the insert (12) comprises an extrusion part (121) and a sliding part (122) which are integrally formed, the shape of the extrusion part (121) is matched with that of the special-shaped cutter teeth (31), and the adjacent extrusion parts (121) abut against each other to form the forming space (14);

the upper surface of the lower die holder (11) is provided with sliding grooves (111) matched with the sliding parts (122) in number, and the extension direction of each sliding groove (111) is arranged towards the positioning component (13); the width of the sliding part (122) is matched with the width of the sliding groove (111), and all the sliding parts (122) are arranged in the sliding groove (111) in a one-to-one correspondence mode.

3. The multi-insert molding mold according to claim 2, wherein: one side of the sliding groove (111) far away from the positioning component (13) is provided with a positioning groove (112), and the width of the positioning groove (112) is smaller than that of the sliding part (122).

4. The multi-insert molding mold according to claim 3, wherein: one side of the positioning groove (112) departing from the sliding groove (111) is communicated to the outer side wall of the lower die holder (11).

5. The multi-insert molding mold according to claim 2, wherein: go up die set (2) and include upper die base (21), the lower surface of upper die base (21) is equipped with spacing groove (211), works as go up die set (2) and lean on when lower die set (1), it is adjacent each other to support between extrusion portion (121), and all extrusion portions (121) get into spacing groove (211) jointly and support tightly in the inner wall of spacing groove (211).

6. The multi-insert molding mold according to claim 5, wherein: a plurality of guide columns (22) are fixed on the upper die holder (21), the number of the guide columns (22) is matched with that of the sliding parts (122), and all the guide columns (22) are arranged on the outer peripheral side of the limiting groove (211) at equal intervals; one end of each guide post (22) far away from the upper die holder (21) is obliquely arranged outwards; each sliding portion (122) is provided with a jack (1221) matched with the guide column (22), and when the upper die module (2) is close to the lower die module (1), the guide columns (22) are inserted into the jacks (1221) and force all the extrusion portions (121) to be folded inwards.

7. The multi-insert molding mold according to claim 5, wherein: a plurality of stop blocks (23) are embedded in the inner wall of the limiting groove (211), and all the stop blocks (23) are arranged around the central axis of the limiting groove (211) at equal intervals; the hardness of the stop block (23) is greater than that of the upper die holder (21), and when the extrusion parts (121) enter the limiting grooves (211), each extrusion part (121) abuts against the stop block (23).

8. The multi-insert molding die according to any one of claims 1 to 3, wherein: the positioning assembly (13) comprises an inserting column (131) and a positioning pin (132) which are respectively fixed on the lower die holder (11), and the positioning pin (132) is positioned on the outer side of the inserting column (131); the insert (12) is disposed so as to move toward the insert post (131).