Multi-directional demolding mold

Abstract

The utility model discloses a multidirectional demolding mold, and relates to the technical field of injection molds. Comprising a base, a lower mold plate is movably arranged at the top of the base, an upper mold plate with an inner cavity is arranged at the top of the lower mold plate in a liftable mode, a top plate is movably arranged at the top of the upper mold plate, a mold cavity is formed in the bottom of the upper mold plate, and the inner cavity of the upper mold plate is rotatably connected with a first horizontal rotating shaft and a second vertical rotating shaft; the end of the first horizontal rotating shaft is connected with a horizontal stud, the end of the second vertical rotating shaft is connected with a vertical stud, forming grooves into which the horizontal stud and the vertical stud extend are formed in the mold cavity, and a mold core matched with the mold cavity and the forming grooves is arranged at the top of the lower mold plate. Threads in different planes can rotate conveniently, multi-directional thread demolding is carried out, and too large mold space is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a mould of multidirectional demoulding. BACKGROUND

[0002] Injection mold is a tool for producing plastic products, it can not only give plastic products complete structure, also can ensure that product has accurate size, the working principle of injection mold is based on the thermoplasticity or thermosetting characteristic of plastics, and the plastics raw materials are converted into plastic products with specific shape and size through injection molding method. This process mainly includes the steps of clamping, injection, pressure maintaining, cooling and demolding.

[0003] Since the self-tapping thread of plastic parts is not suitable for frequent disassembly, the cost of metal insert thread is high, the thread of plastic parts injection molding is used more and more widely, and the high-strength plastic thread is applied in various industries. Therefore, the full-automatic thread demolding requirement of injection mold is higher and higher, and the thread structure of plastic part is directly formed by injection molding, and the thread demolding of mold industry currently basically adopts rack and gear rotation, motor driven gear rotation and hydraulic motor driven gear rotation. For the same direction, parallel gears can be used to rotate out, for the thread not in the same plane or even multiple planes, due to the limitation of mold space structure, multiple power sources are needed to drive the thread in different directions to rotate, which makes the mold appearance larger, needs large-tonnage injection molding machine, and lengthens the molding cycle, reduces the production efficiency. UTILITY MODEL CONTENTS

[0004] The utility model provides a mould of multidirectional demoulding to solve the problem in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a mould of multidirectional demoulding, including the base, the top of base is movably equipped with the lower mould plate, the top of lower mould plate is liftably equipped with the upper mould plate with internal cavity, the top of upper mould plate is movably equipped with the top plate, the bottom of upper mould plate is equipped with the mould cavity, the internal cavity of upper mould plate is rotatably connected with first horizontal pivot, second vertical pivot, the end of first horizontal pivot is connected with horizontal stud, the end of second vertical pivot is connected with vertical stud, the mould cavity is respectively equipped with the forming groove with horizontal stud, vertical stud inserted, the top of lower mould plate is equipped with the mould core matched with mould cavity, forming groove.

[0006] Further, one side of the upper mold plate is provided with a driving motor, the output shaft of the driving motor extends into the internal cavity of the upper mold plate and is sleeved with a first driving gear, and the first horizontal pivot is sleeved with a first driven gear engaged with the first driving gear.

[0007] Further, the internal cavity of the upper mold plate is also rotationally connected with a second horizontal rotating shaft, a second driven gear engaged in transmission with the first driving gear is sleeved on the second horizontal rotating shaft, driving sprocket is installed on the end of the second horizontal rotating shaft, the internal cavity of the upper mold plate is also rotationally connected with a first vertical rotating shaft with a second driving gear installed at the bottom, driven sprocket engaged with the driving sprocket is sleeved on the first vertical rotating shaft, and a third driven gear engaged with the second driving gear is sleeved on the second vertical rotating shaft.

[0008] Further, the bottom of the top plate is fixedly connected with guide rods, and the upper mold plate is provided with guide holes through which the guide rods pass.

[0009] Further, the top plate and the upper mold plate are provided with a limiting screw sleeved with a spring.

[0010] Further, the top of the lower mold plate is provided with a nylon hook, and the bottom of the upper mold plate is provided with a clamping groove matched with the nylon hook.

[0011] Compared with the prior art, the multi-directional demolding mold has the following advantages

[0012] Beneficial effects:

[0013] 1. The multi-directional demolding mold can conveniently rotate the threads in different planes, and can perform multi-directional thread demolding without a large mold space.

[0014] 2. The multi-directional demolding mold only needs one input power source, can simultaneously distribute the power source, can realize multi-directional power output, can shorten the time to the greatest extent, and can ensure the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural schematic view of the demolding state of the utility model;

[0017] Figure 3 It is a bottom view structural schematic view of the lower mold plate of the utility model;

[0018] Figure 4 It is a structural schematic view of the vertical screw column and the horizontal screw column of the utility model.

[0019] In the figure: 1, base; 2, lower die plate; 3, top plate; 4, upper die plate; 5, die core; 6, die cavity; 7, guide rod; 8, limit screw; 9, guide hole; 10, first driving gear; 11, driving motor; 12, first horizontal rotating shaft; 13, first driven gear; 14, horizontal stud; 15, second horizontal rotating shaft; 16, second driven gear; 17, driving bevel gear; 18, first vertical rotating shaft; 19, driven bevel gear; 20, second driving gear; 21, second vertical rotating shaft; 22, third driven gear; 23, vertical stud; 24, nylon hook; 25, clamping groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-4 The utility model discloses a multidirectional demoulding mould, including base 1, the top of base 1 movably is equipped with lower die plate 2, the top of lower die plate 2 is equipped with with internal cavity's upper die plate 4 liftably, the top of upper die plate 4 movably is equipped with top plate 3, the bottom of upper die plate 4 is equipped with die cavity 6, the internal cavity of upper die plate 4 is rotatably connected with first horizontal rotating shaft 12, second vertical rotating shaft 21, the end of first horizontal rotating shaft 12 is connected with horizontal stud 14, the end of second vertical rotating shaft 21 is connected with vertical stud 23, the die cavity 6 is respectively in the shaped groove with horizontal stud 14, vertical stud 23 is stretched into, the top of lower die plate 2 is equipped with with die core 5 of mould cavity 6, shaped groove matching arrangement.

[0022] Specifically, the side of the upper die plate 4 is installed with the driving motor 11, the output shaft of the driving motor 11 is stretched into the internal cavity of the upper die plate 4 and is sleeved with the first driving gear 10, the first horizontal rotating shaft 12 is sleeved with the first driven gear 13 that meshes transmission of the first driving gear 10.

[0023] The inner cavity of the upper mold plate 4 is also rotationally connected with a second horizontal rotating shaft 15, a second driven gear 16 is sleeved on the second horizontal rotating shaft 15 and is in meshing transmission with the first driving gear 10, a driving bevel gear 17 is installed at the end of the second horizontal rotating shaft 15, a first vertical rotating shaft 18 is rotationally connected in the inner cavity of the upper mold plate 4 and is installed with a second driving gear 20 at the bottom, a driven bevel gear 19 is sleeved on the first vertical rotating shaft 18 and is in meshing transmission with the driving bevel gear 17, and a third driven gear 22 is sleeved on the second vertical rotating shaft 21 and is in meshing transmission with the second driving gear 20.

[0024] In the embodiment, when the driving motor 11 works, the first driving gear 10 rotates and drives the first driven gear 13 and the second driven gear 16, so that the first horizontal rotating shaft 12 and the second horizontal rotating shaft 15 rotate.

[0025] The rotation of the first horizontal rotating shaft 12 can make the horizontal stud 14 rotate, so that the horizontally injection-molded threaded part is demolded.

[0026] When the second horizontal rotating shaft 15 rotates, the driving bevel gear 17 drives the driven bevel gear 19, so that the first vertical rotating shaft 18 rotates, the second vertical rotating shaft 21 rotates through the second driving gear 20 driving the third driven gear 22, and then the vertical stud 23 can rotate, so that the vertically injection-molded threaded part is demolded.

[0027] Specifically, the bottom of the top plate 3 is fixedly connected with a guide rod 7, and the upper mold plate 4 is provided with a guide hole 9 through which the guide rod 7 passes.

[0028] The top plate 3 and the upper mold plate 4 are provided with a limiting screw 8 sleeved with a spring.

[0029] In the embodiment, the top of the lower mold plate 2 is provided with a positioning groove matched with the guide rod 7.

[0030] The top and bottom of the spring are connected with the top plate 3 and the upper mold plate 4 respectively, the bottom of the top plate 3 is provided with a stepped groove, the head of the limiting screw 8 is located in the stepped groove and is limited by the stepped groove, and the bottom end of the limiting screw 8 can pass through the stepped groove and be fixedly screwed on the upper mold plate 4.

[0031] The connecting mode between the lower mold plate 2 and the base 1 is the same as the connecting mode between the top plate 3 and the upper mold plate 4, that is, the lower mold plate 2 can ascend and descend relative to the base 1 and the movement distance is limited by the limiting screw 8.

[0032] Specifically, the top of the lower mold plate 2 is installed with a nylon hook 24, and the bottom of the upper mold plate 4 is provided with a clamping groove 25 matched with the nylon hook 24.

[0033] In the embodiment, the upper end of the nylon pull hook 24 is placed in the clamping groove 25 by means of transition fit.

[0034] In use, when the threaded part is injection molded, the lower mold plate 2 and the base 1 are first separated under the cooperation of the spring and the limiting screw when the mold is driven to open in the injection molding machine; the mold continues to move and the upper mold plate 4 and the top plate 3 are separated due to the temporary locking between the lower mold plate 2 and the upper mold plate 4 by the nylon pull hook 24; at this time, the injection molding machine stops opening, the driving motor 11 is started, the horizontal stud 14 and the vertical stud 23 are rotated, and the threaded demolding is performed; after the thread is completely rotated out, the injection molding machine is started to open again, the upper mold plate 4 and the lower mold plate 2 are separated, and the mold opening is completed.

[0035] In summary, the multi-directional demolding mold can conveniently rotate the thread in different planes, perform multi-directional threaded demolding, does not require a large mold space, only needs one input power source, can simultaneously distribute the power source, can realize multi-directional power output, can shorten the time to the greatest extent, and can ensure the production efficiency.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-directional demolding mold comprising a base (1), a lower mold plate (2) movably arranged on the top of the base (1), characterized in that: The top of the lower mold plate (2) is provided with an upper mold plate (4) with an internal cavity, the top of the upper mold plate (4) is movably provided with a top plate (3), the bottom of the upper mold plate (4) is provided with a mold cavity (6), the internal cavity of the upper mold plate (4) is rotatably connected with a first horizontal rotating shaft (12) and a second vertical rotating shaft (21), the end of the first horizontal rotating shaft (12) is connected with a horizontal stud (14), the end of the second vertical rotating shaft (21) is connected with a vertical stud (23), the mold cavity (6) is respectively provided with a forming groove into which the horizontal stud (14) and the vertical stud (23) extend, and the top of the lower mold plate (2) is provided with a mold core (5) matched with the mold cavity (6) and the forming groove.

2. A multi-directional demolding mold according to claim 1, characterized in that: A driving motor (11) is mounted on one side of the upper mold plate (4), the output shaft of the driving motor (11) extends into the internal cavity of the upper mold plate (4) and is sleeved with a first driving gear (10), and the first horizontal rotating shaft (12) is sleeved with a first driven gear (13) in meshing transmission with the first driving gear (10).

3. A multi-directional demolding mold according to claim 2, characterized in that: The internal cavity of the upper mold plate (4) is also rotatably connected with a second horizontal rotating shaft (15), the second horizontal rotating shaft (15) is sleeved with a second driven gear (16) in meshing transmission with the first driving gear (10), and the end of the second horizontal rotating shaft (15) is mounted with a driving bevel gear (17), the internal cavity of the upper mold plate (4) is also rotatably connected with a first vertical rotating shaft (18) mounted with a second driving gear (20) at the bottom end, the first vertical rotating shaft (18) is sleeved with a driven bevel gear (19) in meshing transmission with the driving bevel gear (17), and the second vertical rotating shaft (21) is sleeved with a third driven gear (22) in meshing transmission with the second driving gear (20).

4. A multi-directional demolding mold in accordance with claim 1, wherein: The bottom of the top plate (3) is fixedly connected with guide rods (7) at four corners, and the upper mold plate (4) is provided with guide holes (9) through which the guide rods (7) pass.

5. A multi-directional demolding mold according to claim 4, characterized in that: The top plate (3) and the upper mold plate (4) are provided with a limiting screw (8) sleeved with a spring.

6. A multi-directional demolding mold in accordance with claim 1, wherein: The top of the lower mold plate (2) is mounted with a nylon hook (24), and the bottom of the upper mold plate (4) is provided with a clamping groove (25) matched with the nylon hook (24).

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