CN217319117U

CN217319117U - Cutter assembly in mould

Info

Publication number: CN217319117U
Application number: CN202220411166.2U
Authority: CN
Inventors: 徐涛; 郑嘉曦; 刘超; 周军; 朱俊杰
Original assignee: Rifeng Enterprise Tianjin Co ltd
Current assignee: Rifeng Enterprise Tianjin Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-30
Anticipated expiration: 2032-02-28

Abstract

The application discloses cutter assembly in mould includes: the cutter holder is provided with a first sliding groove extending along a first direction; the cutting tool comprises a cutting head, a first sliding groove and a second sliding groove, wherein one end of the cutting head is provided with a cutting edge, the other end of the cutting head is provided with a connecting block, and the connecting block can extend into the first sliding groove until the outer wall of the connecting block abuts against the inner wall of the first sliding groove; the retaining member, the gliding installation of second direction can be followed to the retaining member on the blade holder, the second direction perpendicular to first direction, the retaining member is equipped with the locking groove, locking inslot wall with be equipped with the clearance of prestoring between the blade holder for it is spacing to carry out the axial to the tool bit.

Description

Cutter assembly in mould

Technical Field

The utility model relates to a mould field of making, concretely relates to cutting knife subassembly in mould.

Background

The in-mold cutting technology is a mold injection molding automation technology which realizes the separation of a part material after a plastic mold is opened by cutting or extruding a sprue by a cutter before the plastic mold is opened.

In the prior art, the die-cutting rule is integrally formed, and when the die-cutting die is damaged by the tool bit, the integral die-cutting rule needs to be replaced. On the one hand, the cutter is replaced, the mold needs to be detached, a large amount of time is wasted, on the other hand, the whole cutter is replaced, and the cost is high.

Disclosure of Invention

In view of the above-mentioned deficiencies or inadequacies in the prior art, it would be desirable to provide an in-mold cutter assembly.

In a first aspect, an in-mold cutter assembly, comprising:

the cutter holder is provided with a first sliding groove extending along a first direction;

the cutter head is provided with a cutting edge at one end and a connecting block at the other end, and the connecting block can extend into the first chute until the outer wall of the connecting block abuts against the inner wall of the first chute;

the retaining member, the gliding installation of second direction can be followed to the retaining member on the blade holder, the second direction perpendicular to the first direction, the retaining member is equipped with the locking groove, locking inslot wall with be equipped with the clearance of prestoring between the blade holder for it is spacing to carry out the axial to the tool bit.

According to the technical scheme provided by the embodiment of the application, the locking piece comprises a pressing plate, two groups of plugs are arranged on the pressing plate, and a first plug and a second plug are respectively arranged on the two groups of plugs; the tool apron is provided with two groups of second sliding grooves, and the plug can extend into the second sliding grooves and slide along the extending direction of the second sliding grooves.

According to the technical scheme provided by the embodiment of the application, the tool apron is provided with a lock rod which slides in a first direction; the plug is provided with a first lock hole, and the axis direction of the first lock hole is parallel to the first direction; a second lock hole is formed in the second sliding groove, and the axis direction of the second lock hole is parallel to the first direction;

the locking rod is inserted into the first locking hole and the second locking hole in sequence and used for fixing the locking piece and the tool apron.

According to the technical scheme provided by the embodiment of the application, an elastic connecting piece is arranged between the lock rod and the tool apron, and two ends of the elastic connecting piece are respectively connected with the tool apron and the lock rod;

when the elastic connecting piece is in a releasing state, the lock rod sequentially penetrates through the first lock hole and the second lock hole;

when the elastic connecting piece is in a stretching state, the lock rod is positioned outside the first lock hole and the second lock hole.

According to the technical scheme provided by the embodiment of the application, the tool apron further comprises a base, wherein the tool apron is slidably installed on the base along a third direction, and the third direction is perpendicular to the first direction and the second direction respectively.

According to the technical scheme provided by the embodiment of the application, the base is provided with an adjusting rod which can rotate along the axis of the base, and the adjusting rod is provided with an external thread; the tool apron is provided with an adjusting hole, and an internal thread corresponding to the external thread is arranged in the adjusting hole.

The invention has the beneficial effects that: the application discloses cutter unit spare in mould to the blade holder is the base member, be equipped with tool bit and retaining member on the blade holder. The cutter holder is provided with a first sliding groove extending along a first direction; the cutter head is provided with a connecting block, and the connecting block is positioned at one end of the cutter head, which is far away from the cutting edge; the connecting piece can be installed along the second direction is gliding on the blade holder, just be equipped with the locking groove on the connecting piece, the locking groove with be equipped with between the blade holder and carry out the spacing clearance of prestoring of axial to the tool bit.

Slide the connecting block in the first spout, and be located prestore in the clearance, through sliding retaining member along the second direction, make prestore the clearance and reduce, until the locking groove with the tool bit laminating, it is right the tool bit carries out the axial spacing, realizes the tool bit with the quick installation of blade holder.

By splitting the cutter in the die into the cutter holder and the cutter head, when the cutter head is damaged, the integral replacement is not needed, and the production cost is reduced; through setting up the slip retaining member, change the size in the clearance of prestoring, the cooperation first spout is right the tool bit carries out quick spacing, realizes the quick dismantlement of the relative blade holder of tool bit, reduces the change required time by a wide margin, promotes production efficiency.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of an embodiment of an in-mold cutter assembly of the present application;

FIG. 2 is a schematic view of a cutting head of an in-mold cutter assembly of the present application;

FIG. 3 is a schematic view of a retaining member of an in-mold cutter assembly of the present application;

FIG. 4 is a tool holder schematic of an in-mold cutter assembly of the present application;

FIG. 5 is a first cross-sectional view of an in-mold cutter assembly of the present application;

FIG. 6 is a second cross-sectional view of an in-mold cutter assembly of the present application;

1. a tool apron; 10. a first chute; 11. a second chute; 100. a second lock hole; 2. a cutter head; 20. connecting blocks; 3. a locking member; 30. pressing a plate; 31. a first plug; 32. a second plug; 300. a first lock hole; 4. a lock lever; 40. a locking block; 41. a first guide post; 5. a base; 50. adjusting a rod; 51. a second guide post.

Detailed Description

The present application will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

Referring to fig. 1, an in-mold cutter assembly includes: the tool rest comprises a tool rest 1, wherein a first sliding groove 10 extending along a first direction is formed in the tool rest 1; a connecting block 20 is arranged at one end, far away from the cutting edge, of the cutter head 2, and the connecting block 20 can extend into the first sliding groove 10 until the outer wall of the connecting block 20 abuts against the inner wall of the first sliding groove 10; retaining member 3, the gliding installation of second direction can be followed to retaining member 3 on the blade holder 1, the second direction perpendicular to the first direction, retaining member 3 is equipped with the locking groove, the locking inslot wall with be equipped with the clearance of prestoring between the blade holder 1 for it is spacing to carry out the axial to tool bit 2.

As shown in fig. 2, the connecting block 20 and the cutter head 2 are integrally cast, which is beneficial to improving the overall strength of the cutter head 2; the first sliding groove 10 extends along a first direction, the cross section of the first sliding groove is trapezoidal, and the length of one side of the trapezoid, which is far away from the cutter head 2, is greater than the length of one side of the trapezoid, which is close to the cutter head 2; preferably, the shape of the first sliding groove 10 is matched with the shape of the connecting block 20, so that the connecting block 20 is prevented from being displaced circumferentially in the first sliding groove 10, and the cutting quality is prevented from being affected.

The working principle is as follows: slide connecting block 20 into in the first spout 10, and be located prestore in the clearance, through sliding retaining member 3 along the second direction, make prestore the clearance and reduce, until the locking groove with the laminating of tool bit 2, it is right tool bit 2 carries out the axial spacing, realizes tool bit 2 with the quick installation of blade holder 1.

By splitting the cutter in the die into the cutter holder 1 and the cutter head 2, when the cutter head 2 is damaged, the whole cutter does not need to be replaced, so that the production cost is reduced; through setting up slide locking piece 3, change the size in the clearance of prestoring, the cooperation first spout 10, right tool bit 2 carries out quick spacing, realizes the quick dismantlement of the relative blade holder 1 of tool bit 2, reduces the change required time by a wide margin, promotes production efficiency.

Further, as shown in fig. 3, the locking member 3 includes a pressing plate 30, and two sets of plugs are disposed on the pressing plate 30, and respectively include a first plug 31 and a second plug 32; two groups of second sliding grooves 11 are formed in the tool apron 1, and the plug can extend into the second sliding grooves 11 and slide along the extending direction of the second sliding grooves 11.

The locking member 3 is U-shaped and comprises a pressing plate 30, a first plug 31 and a second plug 32 are respectively arranged at two ends of the pressing plate 30, and the first plug 31 and the second plug 32 are parallel to each other. Preferably, the distance between the first plug 31 and the second plug 32 is equal to the width of the cutter head 2.

Further, as shown in fig. 3 and 4, a lock rod 4 sliding in a first direction is arranged on the tool apron 1; a first lock hole 300 is formed in the plug, and the axial direction of the first lock hole 300 is parallel to the first direction; the second sliding groove 11 is provided with a second locking hole 100, and the axis direction of the second locking hole 100 is parallel to the first direction.

As shown in fig. 5, the lock rods 4 include two sets, the two sets of lock rods 4 are connected by a lock block 40, the lock block 40 is further provided with a first guide post 41, and the tool apron 1 is provided with a first guide hole corresponding to the first guide post 41. Further, an elastic connecting member is arranged between the first guide post 41 and the tool apron 1, and the elastic connecting member is a spring.

The working principle is as follows: the locking block 40 is pulled, the spring is in a stretching state, the locking rod 4 is separated from the first locking hole 300 and the second locking hole 100, and the locking member 3 and the tool apron 1 are unlocked.

Preferably, the first guide post 41 is far away from one side of the locking piece 40 is provided with a limiting block, the inner wall of the first guide hole is provided with a limiting groove, and in the pulling-out process of the locking piece 40, the limiting block abuts against the inner wall of the limiting groove, so that the first guide post 41 and the first guide hole can be prevented from falling off.

Further, as shown in fig. 6, the tool holder 1 further comprises a base 5, and the tool holder is slidably mounted on the base 5 along a third direction, wherein the third direction is perpendicular to the first direction and the second direction respectively.

The base 5 is provided with an adjusting rod 50 capable of rotating along the axis of the base, and the adjusting rod 50 is provided with external threads; and the tool apron 1 is provided with an adjusting hole, and an internal thread corresponding to the external thread is arranged in the adjusting hole. Preferably, a second guide hole is further formed in the tool apron 1, a second guide post 51 is arranged on the base 5, and the second guide post 51 can be inserted into the second guide hole to guide the sliding direction of the tool apron 1. Through rotating the adjusting rod 50, the distance between the tool apron 1 and the base 5 can be adjusted, the sprue can be half-broken or completely broken, and the adaptability of the cutter in the film is improved.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. An in-mold cutter assembly, comprising:

the tool rest (1) is provided with a first sliding groove (10) extending along a first direction;

the cutting tool comprises a tool bit (2), wherein one end of the tool bit (2) is provided with a cutting edge, the other end of the tool bit is provided with a connecting block (20), and the connecting block (20) can extend into the first sliding groove (10) until the outer wall of the connecting block (20) abuts against the inner wall of the first sliding groove (10);

retaining member (3), the gliding installation of second direction can be followed in retaining member (3) on blade holder (1), the second direction perpendicular to first direction, retaining member (3) are equipped with the locking groove, the locking inslot wall with be equipped with the clearance of prestoring between blade holder (1) for it is spacing to carry out the axial to tool bit (2).

2. The in-mold cutter assembly of claim 1 wherein: the locking piece (3) comprises a pressing plate (30), two groups of plugs are arranged on the pressing plate (30), and a first plug (31) and a second plug (32) are respectively arranged on the two groups of plugs; the tool apron (1) is provided with two groups of second sliding grooves (11), and the plug can extend into the second sliding grooves (11) and slide along the extending direction of the second sliding grooves (11).

3. The in-mold cutter assembly of claim 2 wherein: the tool apron (1) is provided with a lock rod (4) which slides in a first direction; the plug is provided with a first lock hole (300), and the axial direction of the first lock hole (300) is parallel to the first direction; a second lock hole (100) is formed in the second sliding groove (11), and the axis direction of the second lock hole (100) is parallel to the first direction;

the lock rod (4) is sequentially inserted into the first lock hole (300) and the second lock hole (100) and used for fixing the locking piece (3) and the tool apron (1).

4. The in-mold cutter assembly of claim 3 wherein: an elastic connecting piece is arranged between the lock rod (4) and the tool apron (1), and two ends of the elastic connecting piece are respectively connected with the tool apron (1) and the lock rod (4);

when the elastic connecting piece is in a releasing state, the lock rod (4) sequentially penetrates through the first lock hole (300) and the second lock hole (100);

when the elastic connecting piece is in a stretching state, the lock rod (4) is positioned outside the first lock hole (300) and the second lock hole (100).

5. The in-mold cutter assembly of claim 1 wherein: the tool rest is characterized by further comprising a base (5), wherein the tool rest (1) can be installed on the base (5) in a sliding mode along a third direction, and the third direction is perpendicular to the first direction and the second direction respectively.

6. The in-mold cutter assembly of claim 5 wherein: an adjusting rod (50) capable of rotating along the axis of the adjusting rod is arranged on the base (5), and external threads are arranged on the adjusting rod (50); and the tool apron (1) is provided with an adjusting hole, and an internal thread corresponding to the external thread is arranged in the adjusting hole.