CN113715274A

CN113715274A - PIN connector injection mold based on 3D prints

Info

Publication number: CN113715274A
Application number: CN202111053959.8A
Authority: CN
Inventors: 王利军; 张占波
Original assignee: Shanghai Yisu Laser Technology Co ltd
Current assignee: Shanghai Yisu Laser Technology Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2021-11-30
Anticipated expiration: 2041-09-09
Also published as: CN113715274B

Abstract

The invention discloses a PIN connector injection mold based on 3D printing, which comprises: the mounting assembly comprises a substrate, a mounting plate and support rods, the mounting plate is fixedly arranged above the substrate through the support rods, and the support rods are positioned at the corners of the substrate; the lower die assembly comprises a pair of moving blocks, the two moving blocks are slidably and symmetrically arranged above the base plate, one ends, close to each other, of the two moving blocks are provided with grooves, when the two moving blocks are abutted against each other, the two grooves can be spliced into a complete injection molding groove with an upward opening, and the injection molding groove is used for workpiece raw materials; and the driving assembly can drive the two moving blocks to slide. The workpiece raw materials are cooled and formed in the injection molding cavity, the two moving blocks are separated through the driving assembly, and then the workpiece can be separated from at least one groove, so that a user can take the workpiece down from the injection molding groove conveniently.

Description

PIN connector injection mold based on 3D prints

Technical Field

The invention belongs to the technical field of injection molds, and particularly relates to a PIN connector injection mold based on 3D printing.

Background

An injection mold generally refers to injection molding, also called injection molding, which is a molding method combining injection molding and molding. The injection mold is characterized in that plastic materials which are completely melted are stirred by a screw at a certain temperature, injected into a mold cavity by high pressure, cooled and solidified to be molded, and the injection mold has the advantages of high production speed, high efficiency, automation in operation, multiple designs and colors and complete shapes, dimensions and specifications.

The existing PIN connector injection mold based on 3D printing has the problem that mold taking is difficult, a common workpiece is fixedly formed in a forming groove, and when the workpiece is taken out from the forming groove after being formed, the workpiece is difficult to take out due to the fixed shape of the forming groove;

meanwhile, the pressing of the mold can cause excessive injection molding materials to overflow from two sides of the mold, so that the positions of the sides of the mold are relatively dirty, and the use of the injection mold is influenced.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a PIN connector injection mold based on 3D printing.

The invention provides a PIN connector injection mold based on 3D printing, which comprises:

the mounting assembly comprises a substrate, a mounting plate and support rods, the mounting plate is fixedly arranged above the substrate through the support rods, and the support rods are positioned at the corners of the substrate;

the lower die assembly comprises a pair of moving blocks, the two moving blocks are slidably and symmetrically arranged above the base plate, one ends, close to each other, of the two moving blocks are provided with grooves, when the two moving blocks are abutted against each other, the two grooves can be spliced into a complete injection molding groove with an upward opening, and the injection molding groove is used for workpiece raw materials;

the driving assembly can drive the two moving blocks to slide, so that the two moving blocks can be separated or abutted with each other;

and the upper die assembly comprises an upper die plate, and the upper die plate can cover the injection molding groove to form a sealed injection molding cavity.

Preferably, go up the mould subassembly still including driving actuating cylinder, drive actuating cylinder fixed configuration in on the mounting panel, just drive actuating cylinder's output with cope match-plate pattern fixed connection is used for the drive the cope match-plate pattern goes up and down, makes the cope match-plate pattern can cover the groove of moulding plastics or with the lower mould subassembly separation.

Preferably, the base plate is provided with a pair of sliding openings, the lower die assembly further includes a pair of sliding blocks, the two sliding blocks are respectively and fixedly connected with the lower sides of the two moving blocks, and the two sliding blocks are respectively and slidably disposed in the two sliding openings.

Preferably, the driving assembly comprises a driving motor and a threaded rod, the driving motor is a double-shaft motor, the double-shaft motor is fixedly installed in the middle of the lower side of the base plate, the two threaded rods are respectively and fixedly connected with two output ends of the double-shaft motor in a coaxial mode, the two threaded rods are symmetrically arranged, and the lower ends of the two sliding blocks are respectively sleeved on the two threaded rods in a threaded mode.

Preferably, the upper sides of the moving blocks are further provided with U-shaped anti-overflow grooves, the anti-overflow grooves are located on the outer sides of the grooves, and when the two moving blocks are abutted, the two anti-overflow grooves can be spliced into a complete circular groove.

Preferably, the lower die assembly further comprises a mounting bar, the mounting bar is of a U-shaped structure, the anti-overflow groove is formed in the upper side of the mounting bar, a U-shaped mounting groove is formed in the moving block, and the mounting bar is detachably arranged in the mounting groove.

Preferably, an installation cavity is further formed in the moving block, the upper end of the installation cavity is communicated with the installation groove, the lower die assembly further comprises a top block and a linkage component, the top block is vertically and slidably arranged in the installation cavity, the upper end of the top block can be abutted against the bottom of the installation strip to eject the installation strip out of the installation groove, when the two moving blocks are far away from each other, the linkage component drives the top block to slide upwards, and when the two moving blocks are close to each other, the linkage component drives the top block to slide downwards.

Preferably, the linkage part includes rotating tube and screw thread post and ratch, screw thread post upper end with kicking block fixed connection, the rotating tube screw thread cup joint in the screw thread post outside, and the lower extreme with the installation cavity diapire rotates to be connected, the installation cavity with be provided with the connector between the mounting groove, the kicking block slidable runs through the connector, the cross section of kicking block and connector is the rectangle, the ratch sets up between two movable blocks, and the middle part with base plate fixed connection, the both ends slidable of ratch penetrate in the installation cavity, and with rotating tube surface meshing is connected.

Preferably, the cross section of the mounting bar is in an inverted trapezoid shape, and the cross section of the mounting groove is also in an inverted trapezoid shape.

Compared with the prior art, the invention has the beneficial effects that:

1. the workpiece raw material is cooled and formed in the injection molding cavity, then the upper template is taken down, and the two moving blocks are separated through the driving assembly, so that the workpiece can be separated from at least one groove, and a user can conveniently take the workpiece down from the injection molding groove;

2. through setting up the anti-overflow groove on the movable block, the raw materials that overflow in the inslot of moulding plastics can be preferred to flow into in the anti-overflow groove, rather than direct spill over from lower mould assembly week side.

Drawings

Fig. 1 is a schematic perspective view of a first injection mold for a PIN connector based on 3D printing according to the present invention;

FIG. 2 is a schematic perspective view of a second injection mold for a PIN connector based on 3D printing according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

fig. 4 is a schematic diagram of a partial plan structure of the PIN connector injection mold based on 3D printing according to the present invention.

In the figure: the device comprises a base plate 1, a support rod 2, a mounting plate 3, a driving cylinder 4, an upper template 5, a moving block 6, an injection molding groove 7, a mounting strip 8, an anti-overflow groove 9, a sliding opening 10, a sliding block 11, a driving motor 12, a threaded rod 13, a toothed rod 14, a mounting groove 15, a mounting cavity 16, a rotating pipe 17, a threaded column 18 and a jacking block 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a PIN connector injection mold based on 3D printing includes:

the mounting assembly comprises a substrate 1, a mounting plate 3 and support rods 2, wherein the mounting plate 3 is fixedly arranged above the substrate 1 through the support rods 2, and the support rods 2 are positioned at the corners of the substrate 1;

the lower die assembly comprises a pair of moving blocks 6, the two moving blocks 6 are slidably and symmetrically arranged above the base plate 1, grooves are formed in one ends, close to each other, of the two moving blocks 6, when the two moving blocks 6 are abutted against each other, the two grooves can be spliced into a complete injection molding groove 7 with an upward opening, and the injection molding groove 7 is used for workpiece raw materials;

the driving component can drive the two moving blocks 6 to slide, so that the two moving blocks 6 can be separated or abutted with each other;

and the upper die assembly comprises an upper die plate 5, and the upper die plate 5 can cover the injection molding groove 7 to form a sealed injection molding cavity.

In the embodiment applying the technical scheme, when the injection molding device is used, the two moving blocks 6 are close to each other through the driving assembly to realize abutting, at the moment, the two grooves are spliced into the complete injection molding groove 7, and then the injection molding groove 7 is covered by the upper template 5 to form a sealed injection molding cavity; the workpiece raw materials are cooled and formed in the injection molding cavity, then the upper template 5 is taken down, and the two moving blocks 6 are separated through the driving assembly, so that the workpiece can be separated from at least one groove, and a user can take the workpiece down from the injection molding groove 7.

In the preferred technical scheme of the embodiment, the upper die assembly further comprises a driving cylinder 4, the driving cylinder 4 is fixedly arranged on the mounting plate 3, and the output end of the driving cylinder 4 is fixedly connected with the upper die plate 5 and used for driving the upper die plate 5 to ascend and descend, so that the upper die plate 5 can cover the injection molding groove 7 or be separated from the lower die assembly; in the embodiment, the upper mold plate 5 is driven to move up and down by the driving cylinder 4, so that the covering action and the separating action of the upper mold plate 5 on the injection molding groove 7 are realized.

In the preferred technical solution of this embodiment, the base plate 1 is provided with a pair of sliding ports 10, the lower mold assembly further includes a pair of sliding blocks 11, the two sliding blocks 11 are respectively fixedly connected with the lower sides of the two moving blocks 6, and the two sliding blocks 11 are respectively slidably disposed in the two sliding ports 10; in a specific embodiment, by arranging the slider 11 and the sliding opening 10, the slider 11 is slidably arranged in the sliding opening 10, so that a slidable track of the moving block 6 can be defined, and the sliding of the moving block 6 is more stable.

In the preferred technical scheme in this embodiment, the driving assembly includes a driving motor 12 and threaded rods 13, the driving motor 12 is a double-shaft motor, the double-shaft motor is fixedly installed in the middle of the lower side of the substrate 1, the two threaded rods 13 are respectively and coaxially and fixedly connected with two output ends of the double-shaft motor, the threads of the two threaded rods 13 are symmetrically arranged, and the lower ends of the two sliding blocks 11 are respectively in threaded sleeve connection with the two threaded rods 13; in a specific embodiment, the driving assembly is composed of a driving motor 12 and a threaded rod 13, wherein the driving motor 12 is a double-shaft motor, and the double-shaft motor drives the two threaded rods 13 to rotate during use, so that the two sliding blocks 11 are close to each other or far away from each other, and the two moving blocks 6 are driven to move synchronously.

According to the preferable technical scheme in the embodiment, the upper side of each movable block 6 is also provided with a U-shaped anti-overflow groove 9, the anti-overflow grooves 9 are positioned on the outer sides of the grooves, and when the two movable blocks 6 are abutted, the two anti-overflow grooves 9 can be spliced into a complete loop-shaped groove; in the present embodiment, the overflow preventing groove 9 is provided in the moving block 6, so that the raw material overflowing from the injection groove 7 preferentially flows into the overflow preventing groove 9, rather than directly overflowing from the peripheral side of the lower mold assembly.

According to the preferable technical scheme in the embodiment, the lower die assembly further comprises a mounting bar 8, the mounting bar 8 is of a U-shaped structure, the anti-overflow groove 9 is formed in the upper side of the mounting bar 8, a U-shaped mounting groove 15 is formed in the movable block 6, and the mounting bar 8 is detachably arranged in the mounting groove 15; in specific this embodiment, through setting up mounting bar 8, the user can lift mounting bar 8 off from mounting groove 15 after equipment work, and then is convenient for clear up the raw materials in anti-overflow groove 9.

According to the preferable technical scheme in the embodiment, the moving blocks 6 are further internally provided with mounting cavities 16, the upper ends of the mounting cavities 16 are communicated with the mounting grooves 15, the lower die assembly further comprises ejector blocks 19 and linkage parts, the ejector blocks 19 can be vertically and slidably arranged in the mounting cavities 16, the upper ends of the ejector blocks 19 can be abutted against the bottoms of the mounting bars 8 so as to eject the ejector blocks out of the mounting grooves 15, when the two moving blocks 6 are far away from each other, the linkage parts drive the ejector blocks 19 to slide upwards, and when the two moving blocks 6 are close to each other, the linkage parts drive the ejector blocks 19 to slide downwards; in the specific embodiment, after the cooling and forming process is completed, the two moving blocks 6 are separated from each other, and at this time, the linkage part drives the top block 19 to slide upwards, so that a part of the mounting bar 8 is upwards positioned, and a user can take down the mounting bar 8 conveniently.

According to the preferable technical scheme in the embodiment, the linkage component comprises a rotating pipe 17, a threaded column 18 and a toothed bar 14, the upper end of the threaded column 18 is fixedly connected with a top block 19, the rotating pipe 17 is in threaded sleeve connection with the outer side of the threaded column 18, the lower end of the rotating pipe is rotatably connected with the bottom wall of a mounting cavity 16, a connector is arranged between the mounting cavity 16 and a mounting groove 15, the top block 19 can slidably penetrate through the connector, the cross sections of the top block 19 and the connector are rectangular, the toothed bar 14 is arranged between two moving blocks 6, the middle part of the toothed bar is fixedly connected with the base plate 1, and two ends of the toothed bar 14 can slidably penetrate into the mounting cavity 16 and are in surface meshing connection with the rotating pipe 17; in the specific embodiment, when the two moving blocks 6 approach or depart from each other, the rotating pipe 17 is synchronously driven to move, the rotating pipe 17 rotates under the action of the rack 14, and therefore the threaded column 18 is lifted to drive the ejector block 19 to lift by utilizing the thread effect.

According to the preferable technical scheme in the embodiment, the cross section of the mounting strip 8 is in an inverted trapezoid shape, and the cross section of the mounting groove 15 is also in an inverted trapezoid shape; in the specific embodiment, the inverted trapezoid structure can make the mounting bar 8 be more easily separated from the mounting groove 15.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a PIN connector injection mold based on 3D prints, its characterized in that includes:

the mounting assembly comprises a substrate (1), a mounting plate (3) and supporting rods (2), wherein the mounting plate (3) is fixedly arranged above the substrate (1) through the supporting rods (2), and the supporting rods (2) are positioned at corners of the substrate (1);

the lower die assembly comprises a pair of moving blocks (6), the two moving blocks (6) are slidably and symmetrically arranged above the base plate (1), grooves are formed in one ends, close to each other, of the two moving blocks (6), when the two moving blocks (6) abut against each other, the two grooves can be spliced into a complete injection molding groove (7) with an upward opening, and the injection molding groove (7) is used for workpiece raw materials;

the driving assembly can drive the two moving blocks (6) to slide, so that the two moving blocks (6) can be separated from or abutted against each other;

and the upper die assembly comprises an upper die plate (5), and the injection molding groove (7) can be covered by the upper die plate (5) to form a sealed injection molding cavity.

2. The 3D printing-based PIN connector injection mold according to claim 1, wherein the upper mold assembly further comprises a driving cylinder (4), the driving cylinder (4) is fixedly arranged on the mounting plate (3), and an output end of the driving cylinder (4) is fixedly connected with the upper mold plate (5) and used for driving the upper mold plate (5) to move up and down, so that the upper mold plate (5) can cover the injection groove (7) or be separated from the lower mold assembly.

3. The 3D printing-based PIN connector injection mold according to claim 1, wherein a pair of sliding openings (10) is formed in the base plate (1), the lower mold assembly further comprises a pair of sliding blocks (11), the two sliding blocks (11) are respectively fixedly connected with the lower sides of the two moving blocks (6), and the two sliding blocks (11) are respectively arranged in the two sliding openings (10) in a sliding manner.

4. The PIN connector injection mold based on 3D printing according to claim 3, wherein the driving assembly comprises a driving motor (12) and a threaded rod (13), the driving motor (12) is a double-shaft motor, the double-shaft motor is fixedly installed in the middle of the lower side of the base plate (1), the two threaded rods (13) are respectively and coaxially and fixedly connected with two output ends of the double-shaft motor, threads of the two threaded rods (13) are symmetrically arranged, and the lower ends of the two sliding blocks (11) are respectively in threaded sleeve connection with the two threaded rods (13).

5. The 3D printing-based PIN connector injection mold according to claim 1, wherein a U-shaped anti-overflow groove (9) is further formed in the upper side of the moving block (6), the anti-overflow groove (9) is located outside the groove, and when the two moving blocks (6) are abutted, the two anti-overflow grooves (9) can be spliced to form a complete circular groove.

6. The PIN connector injection mold based on 3D printing according to claim 5, wherein the lower mold assembly further comprises a mounting bar (8), the mounting bar (8) is of a U-shaped structure, the anti-overflow groove (9) is formed in the upper side of the mounting bar (8), the moving block (6) is provided with a U-shaped mounting groove (15), and the mounting bar (8) is detachably arranged in the mounting groove (15).

7. The PIN connector injection mold based on 3D printing according to claim 6, wherein a mounting cavity (16) is further formed in the moving block (6), the upper end of the mounting cavity (16) is communicated with the mounting groove (15), the lower mold assembly further comprises a top block (19) and a linkage part, the top block (19) is vertically slidably arranged in the mounting cavity (16), the upper end of the top block (19) can be abutted against the bottom of the mounting bar (8) to eject the mounting bar out of the mounting groove (15), when the two moving blocks (6) are far away from each other, the linkage part drives the top block (19) to slide upwards, and when the two moving blocks (6) are close to each other, the linkage part drives the top block (19) to slide downwards.

8. The PIN connector injection mold based on 3D printing according to claim 7, wherein the linkage component comprises a rotating pipe (17), a threaded column (18) and a toothed bar (14), the upper end of the threaded column (18) is fixedly connected with the top block (19), the rotating pipe (17) is in threaded sleeve connection with the outer side of the threaded column (18), the lower end of the rotating pipe is rotatably connected with the bottom wall of the installation cavity (16), a connecting port is arranged between the installation cavity (16) and the installation groove (15), the top block (19) slidably penetrates through the connecting port, the cross sections of the top block (19) and the connecting port are rectangular, the toothed bar (14) is arranged between the two movable blocks (6), the middle part of the toothed bar is fixedly connected with the base plate (1), and the two ends of the toothed bar (14) slidably penetrate into the installation cavity (16), and is in surface engagement connection with the rotating pipe (17).

9. The 3D printing-based injection mold for PIN connectors according to claim 8, wherein the cross section of the mounting strip (8) is an inverted trapezoid, and the cross section of the mounting groove (15) is also an inverted trapezoid.