CN218777022U

CN218777022U - High-precision injection mold with uniform cooling

Info

Publication number: CN218777022U
Application number: CN202223111063.3U
Authority: CN
Inventors: 张舜; 黎齐; 熊城
Original assignee: Fujian Fulan Intelligent Optical Technology Co ltd
Current assignee: Fujian Fulan Intelligent Optical Technology Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-31
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses an even high accuracy injection mold cools off, including last mould, bed die, L type piece one, L type piece two and spacing bolt, go up the mould bottom and install the bed die, it evenly installs L type piece one to go up the mould outside, L type piece two is evenly installed in the bed die outside, and L type piece one and L type piece two align from top to bottom, spacing bolt is installed to L type piece one bottom, and the L type piece two is passed to spacing bolt bottom. The utility model discloses not only can be convenient for go up mould and bed die alignment through the design of L type piece one, L type piece two and spacing bolt, can extrude the bar pole through last die holding moreover for the bar pole extrudees two turning blocks, realizes fixed to the centre gripping of coil pipe, can also carry out even cooling to the mould through rivers flowing inside the coil pipe.

Description

High-precision injection mold with uniform cooling

Technical Field

The utility model relates to an injection mold technical field especially relates to an even high accuracy injection mold cools off.

Background

The high-precision injection mold is a mold with higher processing precision. The sample is produced by injection molding of a mold and then cooled and demoulded to obtain the sample. However, uneven cooling increases the product reject rate.

Through the search, in the patent application with the patent number of 202010697807.0, the cooling water tank is arranged inside the mold to dissipate heat of the mold, but the cooling water tank is arranged inside the mold, so that external impurities easily enter the cooling water tank to cause blocking, the cooling water tank is inconvenient to clean, the cooling effect of the mold is reduced, and the mold is not uniform enough, so that the high-precision injection mold with uniform cooling is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-precision injection mold with uniform cooling.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high accuracy injection mold that cooling is even, includes last mould, bed die, L type piece one, L type piece two and spacing bolt, it installs the bed die to go up the mould bottom, it evenly installs L type piece one to go up the mould outside, the bed die outside evenly installs L type piece two, and L type piece one aligns from top to bottom with L type piece two, spacing bolt is installed to L type piece one bottom, and the L type piece two is passed to spacing bolt bottom, the cylinder groove has all been seted up on last mould bottom and bed die top, cylinder inslot portion installs the coil pipe, inlet tube and drain pipe are all installed to bed die one end and last mould one end, and inlet tube one end and drain pipe one end all extend to the cylinder inslot and be connected with the coil pipe, go up mould and bed die both ends and all install square frame, and square frame one end extend to the inside and the cylinder groove with communicating, cylinder inslot portion symmetry slidable mounting has two briquetting, square frame internally rotates and installs the turning block, bed die both ends slidable mounting has the bar, two square frame keep away from each other one end and all fixed mounting has the stopper.

Furthermore, a fixing pin is fixedly installed inside the square frame, and a rotating block is rotatably installed on the annular side face of the fixing pin.

Furthermore, a torsion spring is fixedly mounted on the annular side face of the fixing pin, and the outer side of the torsion spring is fixedly mounted inside the rotating block.

Furthermore, two springs I are uniformly and fixedly installed at one end of the pressing block, and the other end of each spring is fixedly installed on the inner wall of the cylindrical groove.

Furthermore, two grooves are symmetrically formed in one end of the lower die, guide rods are fixedly mounted in the grooves, sliding blocks are mounted on the annular side faces of the guide rods, and one ends of the sliding blocks are connected with the bar-shaped rods through connecting rods.

Furthermore, a second spring is installed on the annular side face of the guide rod, and two ends of the second spring are fixedly installed at the bottom end of the sliding block and the bottom end inside the groove respectively.

Further, go up the mould top and seted up and pour the hole, go up the mould top and install and pour the pipe, and pour the pipe bottom and pour the hole and align from top to bottom.

Furthermore, one end of the water inlet pipe is connected with external cold water delivery equipment, and one end of the water outlet pipe is connected with an external water tank.

The utility model has the advantages that:

1. through the design of the first L-shaped block, the second L-shaped block and the limiting bolt, the upper die and the lower die are aligned conveniently, the upper die is mounted at the top end of the lower die, the limiting bolt at the bottom end of the first L-shaped block penetrates through the second L-shaped block, the upper die and the lower die are aligned, and therefore the precision of the injection mold is improved.

2. Evenly cool off the mould through rivers at the inside flow of coil pipe for the shaping speed of sample is unanimous, and the finished product effect is better, and is carried cold water to the coil pipe inside through external cold water delivery equipment, and then carries out cooling to the mould, and rivers pass through the drain pipe and discharge, retrieve through the water tank.

3. Extrude the bar pole through last mould installation, make the bar pole extrude two turning blocks, the realization is fixed to the centre gripping of coil pipe, it extrudees the bar pole downwards through the turning block to go up mould downstream, extrude each other between turning block and the bar pole, when the turning block laminating on bar pole bottom and the bed die, it moves to go up the mould and continues to move and drive the bar pole and remove, at last mould downstream in-process, it extrudees two turning blocks to get the bar pole, the turning block receives the extrusion and rotates and the stopper laminating, the turning block rotates around the fixed pin, the turning block rotates and extrudees the briquetting, make the briquetting remove and the coil pipe laminating, and then carry out the centre gripping to the coil pipe and fix.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a high-precision injection mold with uniform cooling according to the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of a high-precision injection mold with uniform cooling according to the present invention;

fig. 3 is the utility model provides a local enlarged structure schematic diagram of a high accuracy injection mold that cools off evenly.

In the figure: 1. an upper die; 2. a lower die; 3. an L-shaped block I; 4. an L-shaped block II; 5. a limit bolt; 6. a coil pipe; 7. a water inlet pipe; 8. a drain pipe; 9. a square frame; 10. rotating the block; 11. briquetting; 12. a first spring; 13. a bar-shaped rod; 14. a limiting block; 15. a guide bar; 16. a slider; 17. a second spring; 18. a connecting rod; 19. a fixing pin; 20. a torsion spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, a high-precision injection mold with uniform cooling comprises an upper mold 1, a lower mold 2, a first L-shaped block 3, a second L-shaped block 4 and a limit bolt 5, wherein the lower mold 2 is installed at the bottom end of the upper mold 1, the first L-shaped block 3 is uniformly welded on the outer side of the upper mold 1, the second L-shaped block 4 is uniformly welded on the outer side of the lower mold 2, the first L-shaped block 3 is vertically aligned with the second L-shaped block 4, the limit bolt 5 is installed at the bottom end of the first L-shaped block 3, the bottom end of the limit bolt 5 penetrates through the second L-shaped block 4, the first L-shaped block 3, the second L-shaped block 4 and the limit bolt 5 are designed to facilitate the alignment of the upper mold 1 and the lower mold 2, so as to improve the precision of the injection mold, cylindrical grooves are machined at the bottom end of the upper mold 1 and the top end of the lower mold 2, a coil 6 is installed inside the cylindrical grooves, a water inlet pipe 7 and a water outlet pipe 8 are installed at one end of the lower mold 2 and one end of the upper mold 1, and one end of the water inlet pipe 7 and one end of the water outlet pipe 8 are extended into the cylindrical groove and connected with the coil pipe 6, the design of the water inlet pipe 7 and the water outlet pipe 8 is convenient for continuously conveying cold water into the coil pipe 6, so that the whole die is uniformly cooled, the two ends of the upper die 1 and the lower die 2 are both welded with the square frame 9, one end of the square frame 9 is extended into the upper die 1 and the lower die 2 and communicated with the cylindrical groove, the two press blocks 11 are symmetrically and slidably installed in the cylindrical groove, one end of each press block 11 is jointed with the coil pipe 6, so that the coil pipe 6 is conveniently fixed in the cylindrical groove, the rotating block 10 is rotatably installed in the square frame 9, one end of each rotating block 10 is jointed with the press block 11, so that the rotating block 10 can rotate to extrude the press blocks 11, the two ends of the lower die 2 are both slidably installed with the bar-shaped rods 13, the upper and lower ends of the bar-shaped rods 13 are respectively jointed with the two rotating blocks 10, the limiting blocks 14 are welded at the ends, far away from each other, of the two square frames 9, and the design of the limiting blocks 14 is convenient for limiting the rotating blocks 10.

The utility model discloses in, it has fixed pin 19 to explain, 9 inside welding of square frame has, rotate on the 19 annular side of fixed pin and install turning block 10, the rotation installation of turning block 10 of being convenient for of this design, the welding has torsional spring 20 on the 19 annular side of fixed pin, and the welding is inside turning block 10 in the 20 outside torsional spring, the rotation of turning block 10 of being convenient for of torsional spring 20 resets, 11 one ends of briquetting evenly weld two springs 12, and the welding of the 12 other ends of spring is on the cylinder inslot wall, the removal of 11 briquetting of being convenient for of the design of spring 12 resets, make briquetting 11 and 6 separations of coil pipe.

Especially, 2 one end symmetric processing two recesses of bed die, and recess inside weld has guide arm 15, install slider 16 on the 15 annular side of guide arm, and slider 16 one end is connected with bar 13 through connecting rod 18, the slidable mounting of the bar 13 of being convenient for of this design, be equipped with two springs 17 on the 15 annular side of guide arm, and two 17 both ends of spring weld respectively in 16 bottom of slider and the inside bottom of recess, the removal of the bar 13 of being convenient for of the design of two springs 17 resets, go up 1 top of mould and seted up the hole of pouring, go up 1 top of mould and install the pipe of pouring, and pour the intraductal end and pour the hole and align from top to bottom, this design is convenient for pour, inlet tube 7 one end is connected with external cold water delivery equipment, 8 one end of drain pipe is connected with external water tank, this design is convenient for to coil 6 inside transport cold water, and then realize the function of even cooling mould.

The working principle is as follows: when the coil pipe 6 needs to be installed, firstly, the coil pipe 6 is installed inside a cylindrical groove of an upper die 1 and a lower die 2, meanwhile, two ends of the coil pipe 6 are respectively connected with a water inlet pipe 7 and a drain pipe 8, then, the upper die 1 is installed at the top end of the lower die 2, so that a rotating block 10 on the upper die 1 is attached to a bar-shaped rod 13, the upper die 1 moves downwards to extrude the bar-shaped rod 13 through the rotating block 10, the rotating block 10 and the bar-shaped rod 13 extrude each other, when the bottom end of the bar-shaped rod 13 is attached to a rotating block 10 on the lower die 2, the upper die 1 continues to move to drive the bar-shaped rod 13 to move, in the downward moving process of the upper die 1, the bar-shaped rod 13 extrudes two rotating blocks 10, the rotating blocks 10 are extruded by the bar-shaped rod 13, the rotating blocks 10 are extruded to be rotated to be attached to a limiting block 14, the rotating blocks 10 rotate around a fixing pin 19 and extrude the torsion spring 20, so that the torsion spring 20 is generated, the rotating block 10 rotates to extrude a pressing block 11, so that the pressing block 11 is attached to the coil pipe 6, so that the spring 6 is clamped and fixed, the pressing block 11 moves to be convenient for recovering the cold water flowing through a cold water conveying device, and a cold water conveying device which drives a cold water pipe to recover through a cold water pipe 17, and a cold water conveying device which drives a cold water pipe to move through a cold water conveying device which drives a cold water pipe 17.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "coupled" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components.

Claims

1. A high-precision injection mold with uniform cooling comprises an upper mold (1), a lower mold (2), a first L-shaped block (3), a second L-shaped block (4) and a limiting bolt (5), wherein the bottom end of the upper mold (1) is provided with the lower mold (2), the first L-shaped block (3) is uniformly arranged on the outer side of the upper mold (1), the second L-shaped block (4) is uniformly arranged on the outer side of the lower mold (2), the first L-shaped block (3) is vertically aligned with the second L-shaped block (4), the limiting bolt (5) is arranged at the bottom end of the first L-shaped block (3), the bottom end of the limiting bolt (5) penetrates through the second L-shaped block (4), the high-precision injection mold is characterized in that cylindrical grooves are formed in the bottom end of the upper mold (1) and the top end of the lower mold (2), a coil pipe (6) is arranged in each cylindrical groove, a water inlet pipe (7) and a water outlet pipe (8) are arranged at one end of the lower mold (2) and one end of the upper mold (1), one ends of the coil pipe (7) and one end of the cylindrical groove are connected with a square pressing block (9), and two cylindrical grooves (9) are symmetrically arranged in each other, the square frame (9) internal rotation installs turning block (10), bed die (2) both ends slidable mounting has bar pole (13), two square frame (9) keep away from the equal fixed mounting in one end each other and have stopper (14).

2. The high-precision injection mold with uniform cooling as claimed in claim 1, wherein a fixed pin (19) is fixedly installed inside the square frame (9), and a rotating block (10) is rotatably installed on the annular side surface of the fixed pin (19).

3. The injection mold with high precision and uniform cooling as claimed in claim 2, wherein the fixing pin (19) is fixedly provided with a torsion spring (20) on the annular side surface, and the torsion spring (20) is fixedly arranged inside the rotating block (10) on the outer side.

4. The high-precision injection mold with uniform cooling as claimed in claim 1, wherein two springs one (12) are uniformly and fixedly arranged at one end of the pressing block (11), and the other ends of the springs one (12) are fixedly arranged on the inner wall of the cylindrical groove.

5. The high-precision injection mold with uniform cooling as claimed in claim 1, wherein one end of the lower mold (2) is symmetrically provided with two grooves, guide rods (15) are fixedly arranged in the grooves, sliders (16) are arranged on the annular side surfaces of the guide rods (15), and one ends of the sliders (16) are connected with the strip-shaped rods (13) through connecting rods (18).

6. The high-precision injection mold with uniform cooling as claimed in claim 5, wherein the annular side surface of the guide rod (15) is provided with a second spring (17), and two ends of the second spring (17) are respectively and fixedly arranged at the bottom end of the sliding block (16) and the bottom end inside the groove.

7. The uniformly-cooled high-precision injection mold according to claim 1, wherein a pouring hole is formed in the top end of the upper mold (1), a pouring pipe is installed at the top end of the upper mold (1), and the bottom end of the pouring pipe is vertically aligned with the pouring hole.

8. The high-precision injection mold with uniform cooling as claimed in claim 1, wherein one end of the water inlet pipe (7) is connected with an external cold water delivery device, and one end of the water outlet pipe (8) is connected with an external water tank.