CN212664767U - Cutter module of Header product moulds plastics - Google Patents

Abstract

The utility model discloses a cutter module of Header product moulds plastics. The cutter module comprises a power part, a movable cutter seat, a cutter, a bearing seat and a side pressing block; the power part can drive the movable cutter holder to linearly reciprocate, and the front end of the movable cutter holder is provided with a plurality of cutters; the bearing seats are connected to the front end of the movable cutter seat, a guide section which is the same as the vertical section of a guide groove of the bearing seat is arranged in the middle of the side pressing block, the limiting end of the rear end of the side pressing block is located in the limiting groove, a buffer spring is arranged between the rear side face of the side pressing block and the rear wall of the guide groove, under the action of the buffer spring, the side pressing head of the front end of the side pressing block extends forwards to the front end of the cutter, so that a Header product can be laminated and positioned in advance to compress the Header product, and the punching end of the Header product which is just punched by each cutter is. The utility model discloses it is fast to have, efficient, and cutting dynamics and size are invariable, effect that the yields is high.

Description

Cutter module of Header product moulds plastics

Technical Field

The utility model relates to a processingequipment of cell-phone spare part, in particular to cutter module of Header product moulds plastics.

Background

In the cell-phone spare part, the Header product is for the batch mould injection moulding production of moulding, then at the PIN foot of manual excision Header product, adopts the manual excision of workman at present, and its defect lies in: the manual speed is slow, and efficiency is too low, and cutting dynamics and size can not be controlled, easily damages PIN foot or other positions, and the cutting effect relies on workman's skill level alone, and the human factor deviation is great moreover.

SUMMERY OF THE UTILITY MODEL

In order to solve one or more of the above-mentioned problem, the utility model provides a cutter module of Header product moulds plastics.

According to one aspect of the utility model, the cutter module of the injection molding Header product comprises a power part, a movable cutter holder, a cutter, a bearing seat and a side pressing block;

the power part is fixed on one side of the movable cutter holder, the output end of the power part is connected with the rear end of the movable cutter holder, the power part can drive the movable cutter holder to linearly reciprocate, a plurality of cutters are arranged at the front end of the movable cutter holder, and each cutter is opposite to the punching end of a Header product;

the pressure-bearing seats are connected to the front end of the movable cutter holder, guide grooves are formed in the front end of the lower surface of each pressure-bearing seat, each guide groove is located right above one cutter, and the rear ends of the guide grooves extend towards two sides to form limiting grooves;

the side pressure block lower surface is attached to the cutter upper surface and slides back and forth, a guide section which is the same as the vertical section of the guide groove is arranged in the middle of the side pressure block, the rear end of the side pressure block extends to one side to form a limiting end, the guide section is located in the guide groove, the limiting end is located in the limiting groove, a buffer spring is arranged between the rear side face of the side pressure block and the rear wall of the guide groove, and a side pressure head at the front end of the side pressure block extends forwards to the front end of the cutter under the action of the buffer spring, so that a Header product can be attached, positioned and compressed in advance.

In some embodiments, the center of the rear side surface of the side pressing block is provided with a positioning blind hole, and the front end of the buffer spring is positioned in the positioning blind hole;

the back wall of the guide groove is also provided with a positioning end post, and the back end of the buffer spring is sleeved on the positioning end post.

In some embodiments, the pressure bearing seat protrudes forwards and extends to form a reinforcing block, the guide groove penetrates through the reinforcing block, and the lower surface of the reinforcing block is attached to the upper surface of the cutter and slides forwards and backwards.

In some embodiments, the front end of the movable cutter seat is also provided with a front mounting groove, the front mounting groove is connected with an anti-collision block in a threaded manner, and the front side surface of the anti-collision block exceeds the movable cutter seat; the anti-collision block is a rubber block.

In some embodiments, a stepped through hole is installed on the front side surface of the anti-collision block, and a cylindrical head screw is screwed into a threaded blind hole in the rear wall of the front installation groove through the stepped through hole.

In some embodiments, the power section is any one of a pneumatic cylinder, a hydraulic cylinder, and a linear servo electric cylinder.

In some embodiments, the power part is screwed on the vertical plate of the right-angle seat, and the output end of the power part passes through the middle through hole of the vertical plate to be connected with the rear end of the movable cutter seat; the horizontal plate of the right-angle seat is connected with the workbench through threads.

In some embodiments, the movable cutter seat is provided with a cutter groove, and the rear end of the cutter is in threaded connection with the cutter groove;

the front end of the cutter is a cutting end with a smaller height, two ends of the front side of the cutting end are provided with cutting edges, and the cutting edges correspond to the punching ends of a Header product.

In some embodiments, the front end of the lower surface of the movable cutter holder is further provided with a positioning groove, and a guide column is fixed in the positioning groove.

In some embodiments, the center of the movable cutter seat is further provided with a large-diameter cleaning hole, the lower surface of the movable cutter seat is provided with a plurality of obliquely staggered cleaning channels, and the cleaning channels are communicated with the cleaning hole.

The cutting device for automatically punching the PIN foot adopts the power part to perform constant reciprocating linear motion, the cutting point and the cutting force are constant, and the human factor deviation is eliminated; the movable cutter holder can concentrate a plurality of cutters and process a plurality of parts at the same time, and meanwhile, the whole structure has better anti-seismic effect and more stable action; each cutter adopts a side pressing block to firstly press and position the upper part of the punching end of the Header product, so that the phenomenon of displacement during cutting is avoided, the change of the cutting position caused by bending deformation or other deformation of the product is avoided, and the problem of inconstant cutting point is avoided, thereby realizing high-precision cutting; furthermore, the side pressing block extends out under the action of the buffer spring, a product is pressed in advance, the cutter continues to advance to cut off the PIN, at the moment, the position of the side pressing block is fixed, the buffer spring is compressed, when the cutter returns, the side pressing block is not changed under the action of the buffer spring, the side pressing block does not immediately separate from the pressing point, when the cutter separates from the product, the side pressing block separates from the pressing point again, therefore, the side pressing block converts the whole cutting process into a process of pressing into soft elasticity, the positioning is carried out before cutting, a good cutting position is kept, pressure maintaining is carried out during cutting, the cutting position is prevented from moving, pressing is continued after cutting, the returning of the cutting point is avoided, and the returned cutter is damaged, so that a good high-precision cutting process is realized; and set up spacing end and direction section, keep the straightness accuracy and the position degree of pressfitting, further guarantee the precision of cutting. The beneficial effects are as follows: the device has realized automatic cutting PIN foot, and it is fast to have, efficient, and cutting dynamics and size are invariable, and the cutting point obtains easily, and the cutting dynamics keeps easily, effectively protects PIN foot or other positions, and it is great that no human factor deviation is great moreover, effect that the yields is high.

Drawings

Fig. 1 is a three-dimensional schematic view of a cutter module of an injection molding Header product according to an embodiment of the present invention;

FIG. 2 is a schematic top view of a cutter module of the injection molding Header product shown in FIG. 1;

FIG. 3 is a schematic sectional view A-A of a cutter module of the injection molded Header product shown in FIG. 2;

FIG. 4 is a three-dimensional schematic view of the movable tool post shown in FIG. 1;

FIG. 5 is a three-dimensional schematic view of the cutter shown in FIG. 1;

fig. 6 is a three-dimensional schematic view of the pressure bearing block shown in fig. 1;

FIG. 7 is a three-dimensional schematic view of the side compact of FIG. 1;

FIG. 8 is a three-dimensional schematic view of a machined product of a cutter module of the injection molded Header product shown in FIG. 1;

FIG. 9 is a three-dimensional schematic view of the cutter module of the injection molding Header product shown in FIG. 1 mounted on a fixed base;

header product 00, PIN 001, die cut end 002; the device comprises a fixed base 01, a slideway 011, a guide plate 012 and an upper limiting plate 013; the device comprises a power part 1, a movable tool apron 2, a tool groove 20, a front mounting groove 21, a positioning groove 22, a cleaning hole 23 and a cleaning channel 24; a cutter 3, a cutting end 30, a cutting edge 31; the pressure bearing seat 4, the guide groove 41, the limiting groove 42, the reinforcing block 43 and the U-shaped hole 44; the side pressing block 5, the guide section 51, the limiting end 52, the side pressing head 53 and the positioning blind hole 54; the anti-collision device comprises a buffer spring 6, a right-angle seat 7, a middle through hole 70, a vertical plate 71, a horizontal plate 72, a reinforcing foot seat 73, a connecting screw 74, an anti-collision block 8, a stepped through hole 81, a guide post 9 and a guide end 91.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Fig. 1 to 9 schematically show a cutter module of an injection molding Header product according to an embodiment of the present invention. As shown in the figure, the device comprises a power part 1, a movable cutter holder 2, a cutter 3, a pressure bearing seat 4 and a side pressing block 5;

the power part 1 is fixed on one side of the movable cutter holder 2, the output end of the power part 1 is connected with the rear end of the movable cutter holder 2, the power part 1 can drive the movable cutter holder 2 to linearly reciprocate, a plurality of cutters 3 are mounted at the front end of the movable cutter holder 2, and each cutter 3 is opposite to the punching end 002 of the Header product 00;

the pressure bearing seats 4 are connected to the front end of the movable cutter holder 2, guide grooves 41 are formed in the front end of the lower surface of each pressure bearing seat 4, each guide groove 41 is located right above one cutter 3, and the rear ends of the guide grooves 41 extend towards two sides to form limiting grooves 42;

the lower surface of the side pressing block 5 is attached to the upper surface of the cutter 3 and slides back and forth, a guide section 51 which is the same as the vertical section of the guide groove 41 is arranged in the middle of the side pressing block 5, the rear end of the side pressing block 5 extends to one side to form a limiting end 52, the guide section 51 is positioned in the guide groove 41, the limiting end 52 is positioned in the limiting groove 42, a buffer spring 6 is arranged between the rear side surface of the side pressing block 5 and the rear wall of the guide groove 41, and a side pressing head 53 at the front end of the side pressing block 5 extends forwards to the front end of the cutter 3 under the action of the buffer spring 6, so that a Header product 00 can be attached, positioned and.

The Header product 00 is placed at a position, the power part 1 moves forwards linearly, the side pressure head 53 is laterally attached in advance to be positioned and tightly press the upper part of the punching end 002 of the Header product 00, and then the cutter 3 continues to cut the punching end 002 forwards, so that the PIN foot 001 is separated.

The cutting device for automatically punching the PIN foot adopts the power part 1 to perform constant reciprocating linear motion, the cutting point and the cutting force are constant, and the human factor deviation is eliminated; the movable cutter holder 2 can centralize a plurality of cutters 3 and process a plurality of parts at the same time, and meanwhile, the whole structure has better anti-seismic effect and more stable action; each cutter 3 adopts a side pressing block 5 to firstly press and position the upper part of the punching end 002 of the Header product 00, so that the phenomenon of displacement during material cutting is avoided, meanwhile, the material cutting position change caused by bending deformation or other deformation of the product is avoided, and the problem of inconstant cutting point is avoided, thereby realizing high-precision cutting; furthermore, the side pressing block 5 extends out under the action of the buffer spring 6 to press a product in advance, the cutter 3 continues to advance to cut off the PIN 001, at the moment, the side pressing block 5 is not moved, the buffer spring 6 is compressed, when the cutter 3 retracts, the side pressing block 5 is not changed under the action of the buffer spring 6, the side pressing block 5 does not immediately separate from the pressing point, and when the cutter 3 separates from the product, the side pressing block 5 separates from the pressing point again, so that the whole cutting process is converted into a process of compressing into soft elasticity by the side pressing block 5, a good cutting position is kept before cutting, pressure is maintained during cutting, the cutting position is prevented from moving, the pressing is continued after cutting, the cutting point is prevented from returning, the restored cutter 3 is prevented from being damaged, and a benign high-precision cutting process is realized; and set up spacing end 52 and guide section 51, keep the straightness accuracy and the position degree of pressfitting, further guarantee the precision of cutting. The beneficial effects are as follows: the device has realized automatic cutting PIN foot 3, and it is fast to have, efficient, and cutting dynamics and size are invariable, and the cutting point obtains easily, and the cutting dynamics keeps easily, effectively protects PIN foot or other positions, and it is great that no human factor deviation is great moreover, effect that the yields is high.

Preferably, the center of the rear side surface of the side pressing block 5 is provided with a positioning blind hole 54, and the front end of the buffer spring 6 is positioned in the positioning blind hole 54;

the back wall of the guide groove 41 is also provided with a positioning end post, and the back end of the buffer spring 6 is sleeved on the positioning end post. The beneficial effects are as follows: the positioning blind hole 54 and the positioning end post ensure good positioning of the buffer spring 6, prevent displacement and inclination phenomena in repeated use, damage to the spring and difficulty in constant elastic force, and ensure constant repeated use performance.

Preferably, the pressure-bearing seat 4 is further formed with a reinforcing block 43 protruding and extending forwards, the guide groove 41 penetrates through the reinforcing block 43, and the lower surface of the reinforcing block 43 is attached to the upper surface of the cutter 3 and slides forwards and backwards. The beneficial effects are as follows: the reinforcing blocks 43 improve the maximum performance of the side pressure blocks 5 in cutting and prevent the occurrence of warping.

The upper end of the side indenter 53 has material cut away so that the height of the guide section 51 and the stopper end 52 is greater than the height of the side indenter 53. The beneficial effects are as follows: the side pressure head 53 is small in size, can provide a larger space for a product, increases the cutting position, and is used for positioning in a narrow space.

The guide groove 41 and the limit groove 42 are rectangular grooves, and the rear end of the guide groove 41 is perpendicularly intersected with the limit groove 42.

Preferably, the front end of the movable cutter holder 2 is further provided with a front mounting groove 21, the front mounting groove 21 is connected with an anti-collision block 8 in a threaded manner, and the front side surface of the anti-collision block 8 exceeds the movable cutter holder 2.

Preferably, the front mounting groove 21 is a rectangular groove, and the anti-collision block 8 is a rectangular rubber block; the beneficial effects are as follows: adopt anti-collision block 8 can effectively protect movable cutter seat 2 and product seat.

A stepped through hole 81 is arranged on the front side surface of the anti-collision block 8, and a cylindrical head screw passes through the stepped through hole 81 and is screwed into a threaded blind hole on the rear wall of the front mounting groove 21, so that the anti-collision block 8 is fixed on the movable cutter holder 2. The beneficial effects are as follows: the connecting mode structure is firm, and the whole size is small.

Preferably, the power unit 1 is any one of an air cylinder, a hydraulic cylinder, and a linear servo electric cylinder.

Preferably, the power part 1 is screwed on a vertical plate 71 of the right-angle seat 7, and the output end of the power part 1 passes through a middle through hole 70 of the vertical plate 71 to be connected with the rear end of the movable cutter seat 2;

the horizontal plate 72 of the right-angle seat 7 is connected with the workbench through screw threads, and reinforcing foot seats 73 are further connected between the vertical plate 71 and the horizontal plate 72 through screw threads. The beneficial effects are as follows: the right-angle seat 7 realizes compact connection and has higher strength.

Preferably, a threaded blind hole on the front end wall of the output shaft of the power part 1 is internally threaded with a connecting screw 74, the front end of the connecting screw 74 is provided with a large-diameter circular ring cap,

a stepped rectangular through hole is formed in the middle of the rear side face of the movable cutter holder 2, the width of an outer step hole of the stepped rectangular through hole is smaller than that of an inner step hole, the connecting screw 74 is located in the outer step hole, and the annular cap is located in the inner step hole.

Preferably, when the power unit 1 is a cylinder, a flow control valve is installed on an air inlet and outlet hole of the cylinder. The beneficial effects are as follows: the flow regulating valve can effectively obtain the optimal cutting force.

Preferably, the movable knife holder 2 is provided with a knife groove 20, and the rear end of the cutting knife 3 is in threaded connection with the knife groove 20;

the rear end in the pressure bearing seat 4 is also provided with a U-shaped hole 44, and the U-shaped hole 44 is matched with a fixing bolt of the cutter 3. The beneficial effects are as follows: the sipes 20 and the U-shaped holes 44 can effectively reduce the overall size.

The front end of the cutter 3 is a cutting end 30 with a small height, two ends of the front side of the cutting end 30 are provided with cutting edges 31, and the cutting edges 31 correspond to the punching ends 002 of the Header product 00.

The number of the PIN legs 001 is two, and the cutting edge 31 is two.

Preferably, the front end of the lower surface of the movable cutter holder 2 is further provided with a positioning groove 22, a guide post 9 is fixed in the positioning groove 22, the front end of the guide post 9 is a guide end 91 with a small width, and the guide end 91 is matched with a guide hole of a positioning jig of a Header product 00. The beneficial effects are as follows: the guide post 9 further ensures the precision of the linear motion of the movable cutter holder 2.

Preferably, the center of the movable blade holder 2 is further provided with a large-diameter cleaning hole 23, the lower surface of the movable blade holder 2 is provided with a plurality of cleaning channels 24 which are obliquely staggered, and the cleaning channels 24 are communicated with the cleaning hole 23.

The cleaning holes 23 may be fitted with means for pneumatic dusting or oil spray cleaning. The beneficial effects are as follows: the dust under the movable cutter holder 2 can be effectively removed through the arrangement, and the moving is guaranteed to be free of blockage.

Preferably, the movable knife holder 2 moves back and forth in the slideway 011 of the fixed base 01;

the fixed base 01 is fixedly arranged on the workbench, two sides of the fixed base 01 can be symmetrically provided with a slideway 011, the slideways 011 are respectively connected with a movable cutter seat 2 in a sliding way,

two sides of the slideway 011 are respectively provided with a guide plate 012, the guide plates 012 are respectively attached to the outer side surface of the movable cutter holder 2,

the upper surface of the guide plate 012 is further connected with an upper limiting plate 013 in a threaded manner, the inner side surface of the upper limiting plate 013 protrudes out of the inner side surface of the guide plate 012, and the lower surface of the upper limiting plate 013 is attached to the upper surface of the movable tool holder 2. The beneficial effects are as follows: the guide plate 012 and the upper limiting plate 013 realize that the linear motion of the movable cutter holder 2 has controllability and no left-right deviation and up-down jumping, thereby ensuring high motion precision and high cutting precision of the cutter 3.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (10)

1. A cutter module of an injection molding Header product is characterized by comprising a power part (1), a movable cutter seat (2), a cutter (3), a pressure bearing seat (4) and a side pressing block (5);

the power part (1) is fixed on one side of the movable cutter holder (2), the output end of the power part (1) is connected with the rear end of the movable cutter holder (2), the power part (1) can drive the movable cutter holder (2) to linearly reciprocate, a plurality of cutters (3) are mounted at the front end of the movable cutter holder (2), and each cutter (3) is opposite to the punching end (002) of a Header product (00);

the pressure bearing seats (4) are connected to the front end of the movable cutter holder (2), guide grooves (41) are formed in the front end of the lower surface of each pressure bearing seat (4), each guide groove (41) is located right above one cutter (3), and the rear ends of the guide grooves (41) extend towards two sides to form limiting grooves (42);

the laminating of side briquetting (5) lower surface is in slide around cutter (3) upper surface, the centre of side briquetting (5) be equipped with guide way (41) hang down guide section (51) that the cross-section is the same, side briquetting (5) rear end extends to one side and forms spacing end (52), guide section (51) are located in guide way (41), spacing end (52) are located in spacing groove (42), side briquetting (5) trailing flank with be equipped with buffer spring (6) between the back wall of guide way (41) under buffer spring (6)'s the effect, side pressure head (53) of side briquetting (5) front end stretch out forward to cutter (3) front end to laminate the location in advance and compress tightly Header product (00).

2. The cutter module of an injection molding Header product as claimed in claim 1, wherein a positioning blind hole (54) is formed in the center of the rear side face of the side pressing block (5), and the front end of the buffer spring (6) is located in the positioning blind hole (54);

the rear wall of the guide groove (41) is also provided with a positioning end post, and the rear end of the buffer spring (6) is sleeved on the positioning end post.

3. An injection molding Header product cutter module according to claim 1, wherein the pressure bearing seat (4) is further formed with a reinforcing block (43) extending in a forward protruding manner, the guide groove (41) penetrates through the reinforcing block (43), and the lower surface of the reinforcing block (43) is attached to the upper surface of the cutter (3) and slides back and forth.

4. The cutter module of an injection molding Header product according to claim 1, wherein a front mounting groove (21) is further formed at the front end of the movable cutter holder (2), an anti-collision block (8) is connected to the front mounting groove (21) in a threaded manner, and the front side surface of the anti-collision block (8) exceeds the movable cutter holder (2); the anti-collision block (8) is a rubber block.

5. An injection molding Header product cutter module according to claim 4, wherein the front side of the anti-collision block (8) is provided with a stepped through hole (81), and a cylindrical head screw is screwed into the threaded blind hole in the rear wall of the front mounting groove (21) through the stepped through hole (81).

6. An injection molding Header product cutter module according to claim 1, wherein the power part (1) is any one of a cylinder, a hydraulic cylinder and a linear servo electric cylinder.

7. An injection molding Header product cutter module according to claim 1, wherein the power part (1) is screwed on a vertical plate (71) of a right angle seat (7), and the output end of the power part (1) passes through a middle through hole (70) of the vertical plate (71) to be connected with the rear end of the movable cutter seat (2); and the horizontal plate (72) of the right-angle seat (7) is in threaded connection with the workbench.

8. An injection molding Header product cutter module according to claim 1, wherein the movable cutter seat (2) is provided with a cutter groove (20), and the rear end of the cutter (3) is screwed in the cutter groove (20);

the front end of the cutter (3) is a cutting end (30) with a small height, cutting edges (31) are arranged at two ends of the front side of the cutting end (30), and the cutting edges (31) correspond to the punching ends (002).

9. An injection molding Header product cutter module according to claim 1, wherein the movable cutter holder (2) is further provided with a positioning groove (22) at the front end of the lower surface, and a guide column (9) is fixed in the positioning groove (22).

10. An injection molding Header product cutter module according to claim 1, wherein the movable cutter holder (2) is further provided with a large-diameter cleaning hole (23) at the center, the lower surface of the movable cutter holder (2) is provided with a plurality of obliquely staggered cleaning channels (24), and the cleaning channels (24) are communicated with the cleaning hole (23).

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