CN112248411A

CN112248411A - An acrylic profiling sheet production process, mold and decorative lamp

Info

Publication number: CN112248411A
Application number: CN202011023044.8A
Authority: CN
Inventors: 李贤玺
Original assignee: Shen Zhen Apex Artcrafts Co ltd
Current assignee: Shenzhen Baihelong Technology Co., Ltd.
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-01-22
Anticipated expiration: 2040-09-25
Also published as: CN112248411B

Abstract

The present application relates to an acrylic profiling sheet manufacturing process, a mold and a decorative lamp. The production process of the acrylic profiling sheet includes the following steps: S1. Preprocessing: including S11. Cutting the acrylic flat plate into a preset shape to form a preliminary embryo; S2. Heating: Putting the preliminary embryo into an oven for heating, and the heating temperature is controlled at 170-180°C; S3, using a mold to hot-press the initial embryo, wherein the mold includes a male mold and a female mold, the male mold is provided with a core, and the female mold is provided with a cavity; When the embryo is hot-pressed, first open the mold; then put the heated preliminary embryo into the cavity; then close the mold and wait for the preliminary embryo to cool and set to form a copy sheet; then open the mold and put the finished copy Take out the shape piece. The present application has the effect of high yield.

Description

Manufacturing process, die and decorative lamp of acrylic copying sheet

Technical Field

The application relates to the field of decorative lamps, in particular to a manufacturing process and a die for an acrylic copying sheet and a decorative lamp.

Background

Decorative lights generally refer to light fixtures that provide illumination and decoration. The shape of the decorative lamp is designed according to the shapes of animals, plants, buildings and the like.

In the copying lamp which is designed by taking a flower as a copying object in the current market, the petals are generally made of acrylic materials, and the lamp is used as a stamen. In industry, the acrylic plate is generally processed by a plastic suction process to be made into a petal shape. When the plastic suction process is used for manufacturing the acrylic petals, the softened acrylic plate is required to be placed on a plastic suction mold; then, air in a cavity of the plastic suction mould is pumped out, so that the acrylic plate is sunk into the plastic suction mould under the action of atmospheric pressure; and finally, after the acrylic plate is cooled, the acrylic petals are manufactured and molded.

In view of the above-mentioned related technologies, the inventor believes that the yield is low when the plastic uptake process is used to manufacture the acrylic petals with the thickness of more than 10 mm.

Disclosure of Invention

In order to improve the yield of acrylic petals, the application provides a manufacturing process of an acrylic copying sheet, a die and a decorative lamp.

In a first aspect, the application provides a process for manufacturing an acrylic profiling sheet, which adopts the following technical scheme:

a manufacturing process of an acrylic profiling sheet comprises the following steps:

s1, preprocessing: the method comprises the following steps of S11, cutting an acrylic flat plate into a preset shape to form a primary blank;

s2, heating: heating the primary blank in an oven at the temperature of 170-;

s3, carrying out hot press molding on the initial blank by using a mold, wherein the mold comprises a male mold and a female mold, the male mold is provided with a mold core, and the female mold is provided with a mold cavity;

when the primary blank is subjected to hot press molding, a mold is opened firstly; then putting the heated initial blank into a cavity; then closing the mold and waiting for the initial blank to be cooled and shaped to form a profiling sheet; the mold is then opened and the formed replica plate is removed.

By adopting the technical scheme, the acrylic copying sheet is manufactured in a hot-press forming mode, and the finished product rate is high. After the mold is closed, the initial blank is taken out of the mold after being cooled and shaped, so that the condition that the shape of the copying sheet is recovered can be effectively avoided.

Optionally, in step S2, heating the parison in an oven for 25-30 minutes;

in step S3, the mold is closed and then waits at least 20 minutes.

By adopting the technical scheme, the primary blank can be fully softened by heating in the oven for 25-30 minutes, so that the success rate of finished products is ensured; and (3) after the mold is closed, the mold is at least waited for 20 minutes, so that the initial blank can be completely cooled and shaped, and the shape of the copying sheet is not easy to recover after the mold is opened.

In a second aspect, the present application provides a mold, which adopts the following technical solution:

a mould is used for the manufacturing process of an acrylic copying sheet, and comprises a male mould and a female mould; the male die comprises a male die plate and a plurality of core plates stacked on one side of the male die plate, the adjacent core plates are fixed with each other, the male die plate is fixedly connected with the adjacent core plates, and the core plates are combined to form a core;

the female die comprises a female die plate and a plurality of cavity plates stacked on one side of the female die plate, adjacent cavity plates are fixed with each other, and the female die plate is fixedly connected with the adjacent cavity plates; the cavity plate is provided with forming holes, and the hole walls of the forming holes on the cavity plates are combined to form a cavity.

By adopting the technical scheme, the male die is formed by the male die plate and the plurality of the core plates, and the female die is formed by the female die plate and the plurality of the cavity plates, so that the manufacturing difficulty of the die is greatly reduced.

In a third aspect, the present application provides a decorative lamp, which adopts the following technical scheme:

the utility model provides a decorative lamp, includes the lamp pole, connects the lamp body and a plurality of connections are close to the mounting of lamp body department on the lamp pole week lateral wall in lamp pole one end, be connected with the profile modeling piece on the mounting, the profile modeling piece adopts foretell ya keli profile modeling piece preparation technology to make.

By adopting the technical scheme, the decorative lamp is simple in structure and convenient to produce and manufacture.

Optionally, the fixing member includes a fixing portion and a connecting portion connected to the connecting portion; the fixed part is connected with the lamp post; the connecting part is detachably connected with the profiling sheet.

Through adopting above-mentioned technical scheme, connecting portion can be dismantled with the profile modeling piece and be connected, make things convenient for the people to clean the profile modeling piece.

Optionally, at least one screw is fixed on one side of the connecting part, and a nut is screwed on the screw; the profiling sheet is provided with a wire penetrating hole, the screw penetrates through the profiling sheet through the wire penetrating hole, and the profiling sheet is located between the connecting portion and the nut.

Through adopting above-mentioned technical scheme, the people of being convenient for install the profile modeling piece on connecting portion, also be convenient for the people to pull down the profile modeling piece from connecting portion.

Optionally, the wire passing hole includes a via hole and a positioning hole, and the via hole is communicated with the positioning hole.

By adopting the technical scheme, the arrangement of the through hole facilitates the operation of the profiling sheet to enable the screw to penetrate through the threading hole; the arrangement of the positioning hole can reduce the requirements on the processing precision of the threading hole and the position precision of the screw rod fixed on the connecting part, and is convenient for the production and the manufacture of the decorative lamp.

Optionally, the fixing portion and the connecting portion are integrally formed, and the fixing portion is welded to the lamp post.

By adopting the technical scheme, the decorative lamp is convenient to produce and manufacture.

Optionally, the fixing part is connected to the lamp post in a sliding manner, the connecting part is hinged to the fixing part through a pin shaft, and a driving device is arranged in the lamp post;

the driving device comprises a moving part arranged in the lamp post in a sliding manner and a driving mechanism which is arranged in the lamp post and is used for driving the moving part to slide along the length direction of the lamp post, a plurality of through holes are formed in the peripheral side wall of the lamp post, which is close to the lamp body, a pull rope is connected between the connecting part and the moving part, and the pull rope penetrates through the through holes;

the lamp post is also provided with a positioning hole on the peripheral side wall close to the lamp body; the lamp post is characterized in that a mounting hole is formed in one side, facing the lamp post, of the fixing piece, a spring and a clamping head are sequentially arranged in the mounting hole from inside to outside, and a first permanent magnet is arranged in the clamping head; and the connecting part is provided with a second permanent magnet.

By adopting the technical scheme, on one hand, the driving device can drive the copying sheet to move up and down along the lamp post, so that a person can clean the copying sheet conveniently; on the other hand, the decorative lamp can be in the states of buds, blossoms and thank you by operating the driving device, and the decorative lamp plays a better role in decorating and baking atmosphere.

In the use state, the lamp pole erects, and the lamp body is located the lamp pole upper end, and the dop stretches into in the locating hole under the effect of spring. A user can drive the movable piece to move upwards in the lamp post by controlling the driving mechanism; in the moving process of the moving part, the connecting part rotates downwards around the pin shaft until the connecting part is abutted against the fixing part, and at the moment, the clamping head is pulled out of the positioning hole under the action of the first permanent magnet and the second permanent magnet; along with the moving part continues to move upwards, the fixing part and the profiling sheet slide downwards along the lamp pole under the action of gravity.

Optionally, a slide way is arranged in the lamp post along the length direction of the lamp post, a second sliding groove is formed in the movable member, and the slide way is in sliding fit with the second sliding groove; the driving mechanism comprises a screw rod and a motor, the screw rod penetrates through the movable piece along the length direction of the lamp post and is in threaded connection with the movable piece, the motor is fixed in the lamp post, and an output shaft of the motor is fixedly connected with the screw rod.

By adopting the technical scheme, when the motor rotates forwards, the screw rod drives the movable part to move towards the direction close to the lamp body in the lamp post; when the motor rotates reversely, the screw rod drives the movable piece to move in the lamp pole towards the direction far away from the lamp body.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the acrylic copying sheet is manufactured in a hot-press forming mode, so that the finished product rate is high;

2. on one hand, the driving device can drive the copying sheet to move up and down along the lamp post, so that a person can clean the copying sheet conveniently; on the other hand, the decorative lamp can be in the states of buds, blossoms and thank you by operating the driving device, and the decorative lamp plays a better role in decorating and baking atmosphere.

Drawings

Fig. 1 is a male mold of the mold disclosed herein.

FIG. 2 is a master mold of the mold disclosed herein.

Fig. 3 is a schematic overall structure diagram of a first embodiment of the decorative lamp disclosed in the present application.

Fig. 4 is a schematic view showing a coupling structure of the fixing member and the copying sheet of fig. 3.

Fig. 5 is a schematic overall structure diagram of a second embodiment of the decorative lamp disclosed in the present application.

Fig. 6 is a schematic diagram of a driving device in a second embodiment of a decorative lamp according to the disclosure.

Fig. 7 is an enlarged schematic view of a structure at a in fig. 6.

Description of reference numerals: 1. a male die; 11. a male template; 12. a core; 121. a core plate; 2. a female die; 21. a master template; 22. a cavity; 221. a cavity plate; 3. a lamp post; 31. a first chute; 32. positioning holes; 33. a slideway; 4. a lamp body; 5. a base; 6. a fixing member; 61. a fixed part; 611. mounting holes; 612. a spring; 613. clamping a head; 614. a first permanent magnet; 615. a second permanent magnet; 62. a connecting portion; 7. a profiling sheet; 71. a screw; 72. a nut; 73. threading holes; 8. a drive device; 81. a movable member; 811. a second chute; 82. pulling a rope; 83. a screw rod; 84. an electric motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a manufacturing process of an acrylic copying sheet. The acrylic profiling manufacturing process comprises the following steps:

s2, heating: heating the primary embryo in an oven for 25-30 minutes at 170-180 deg.C;

s3, carrying out hot press molding on the primary blank by using a mold; the mold comprises a male mold 1 and a female mold 2. The male mold 1 comprises a male mold plate 11 and a plurality of core plates 121 stacked on one side of the male mold plate 11, adjacent core plates 121 are fixedly bonded, the male mold plate 11 and the adjacent core plates 121 are fixedly bonded, and all the core plates 121 are combined to form the core 12. The female die 2 comprises a female die plate 21 and a plurality of cavity plates 221 stacked on one side of the female die plate 21, wherein adjacent cavity plates 221 are fixedly bonded, and the female die plate 21 and the adjacent cavity plates 221 are fixedly bonded; each cavity plate 221 is provided with a forming hole, and the hole walls of the forming holes on all the cavity plates 221 are combined to form the cavity 22. When the male die 1 is closed on the female die 2, the core 12 extends into the cavity 22 and a forming space matched with the copying sheet 7 is formed between the core 12 and the wall of the cavity 22; in this embodiment the profile blades 7 are petal-shaped.

When the primary blank is subjected to hot press molding, a mold is opened firstly; then the heated primary blank is placed into the cavity 22; then the mould is closed and waits for at least 20 minutes, so that the initial blank is fully cooled and shaped into a profiling sheet 7; the mould is then opened and the formed replica plate 7 is removed.

The implementation principle of the manufacturing process of the acrylic copying sheet 7 in the embodiment of the application is as follows: placing the heated and softened blank on the female die 2, pressing the blank into a cavity 22 on the female die 2 through the male die 1, and extruding and forming the profiling sheet 7 under the action of the male die 1 and the female die 2; the shape recovery of the copying sheet 7 is not easy to occur after the copying sheet is taken out from the die, and the yield is high.

The embodiment of the application also discloses a mold for the manufacturing process of the acrylic copying sheet. Referring to fig. 1 and 2, the mold includes a male mold half 1 and a female mold half 2.

Referring to fig. 1, the male mold 1 includes a male mold plate 11 and a plurality of core plates 121 stacked on one side of the male mold plate 11, each of the core plates 121 has a different shape, adjacent core plates 121 are bonded and fixed to each other, the male mold plate 11 is bonded and fixed to the adjacent core plates 121, and all the core plates 121 are combined to form the core 12. It is worth noting that the male die plate 11 and the core plate 121 are both made of wood plates, so that the die cost is greatly reduced; further, the difficulty in manufacturing the mold can be reduced by dividing the core 12 into a plurality of core plates 121.

Referring to fig. 2, the mother die 2 includes a mother die plate 21 and a plurality of cavity plates 221 stacked on one side of the mother die plate 21, adjacent cavity plates 221 are fixedly bonded, and the mother die plate 21 and the adjacent cavity plates 221 are fixedly bonded; each cavity plate 221 is provided with a forming hole, the forming holes on the cavity plates 221 are different in shape, and the hole walls of the forming holes on the cavity plates 221 are combined to form the cavity 22. It is worth noting that the mother template 21 and the cavity plate 221 are both made of wood plates, so that the cost of the mold is greatly reduced; in addition, the cavity 22 is formed by combining a plurality of cavity plates 221, so that the difficulty in manufacturing the mold can be reduced.

The implementation principle of a mold in the embodiment of the application is as follows: when the male die 1 is closed on the female die 2, the core 12 extends into the cavity 22 and a forming space matched with the copying sheet 7 is formed between the core 12 and the wall of the cavity 22.

The embodiment of the application also discloses a decorative lamp.

The first embodiment is as follows:

referring to fig. 3, a decorative lamp includes a lamp post 3, a lamp body 4 connected to one end of the lamp post 3, a base 5 connected to the other end of the lamp post 3, and a plurality of fixing members 6 connected to the peripheral side wall of the lamp post 3 and near the lamp body 4. In this embodiment, the number of the fixing members 6 is eight, and the fixing members are divided into two upper and lower groups, and each group of the fixing members 6 is uniformly arranged around the lamp post 3; each fixing piece 6 is connected with a profiling sheet 7, and the profiling sheet 7 is manufactured by adopting the acrylic profiling sheet manufacturing process.

Referring to fig. 3 and 4, the fixing member 6 includes a fixing portion 61 and a connecting portion 62, and the connecting portion 62 and the fixing portion 61 are both made of metal sheets and are integrally formed; the fixing part 61 is welded on the outer side wall of the lamp post 3. The connecting part 62 is detachably connected with the profiling sheet 7, specifically, at least one screw 71 (two screws are taken as an example in the embodiment) is welded on one side of the connecting part 62, and a nut 72 is screwed on each screw 71; the copying piece 7 is provided with a threading hole 73 through which the screw 71 can be inserted, the screw 71 is inserted through the copying piece 7 through the threading hole 73, and the copying piece 7 is sandwiched between the connecting portion 62 and the nut 72.

Referring to fig. 4, the threading hole 73 includes a via hole and a kidney-shaped positioning hole, the via hole communicating with the positioning hole; thus, the requirements on the processing precision of the threading hole 73 and the position precision of the screw 71 fixed on the connecting part 62 can be greatly reduced, and the decorative lamp is convenient to produce and manufacture.

The implementation principle of the first embodiment is as follows: when in use, the decorative lamp can be illuminated by supplying power to the lamp body 4. In addition, the user can adjust the state of the eight copying sheets 7 by pulling the fixing member 6. The colored profiling sheets 7 can play a certain shading role, and when the profiling sheets 7 are gathered together, the brightness of the decorative lamp is relatively low; when the copying sheet 7 is scattered, the brightness of the decorative lamp is relatively high; therefore, the user can adjust the overall brightness of the decorative lamp by adjusting the pattern composed of the eight copying pieces 7.

Example two:

referring to fig. 5 and 6, the difference between the first embodiment and the second embodiment is that the connecting portion 62 is hinged to the fixing portion 61 through a pin, and the fixing portion 61 is connected to the lamp post 3 in a sliding manner along the length direction of the lamp post 3. Specifically, a plurality of first sliding grooves 31 are indented on the outer peripheral wall of the lamp post 3, and the length direction of the first sliding grooves 31 is parallel to the length direction of the lamp post 3; a positioning hole 32 is arranged at the bottom of the first sliding chute 31 and close to the lamp body 4; a portion of the fixing portion 61 extends into the first sliding groove 31 and is slidably engaged with the first sliding groove 31. Referring to fig. 6 and 7, a mounting hole 611 is formed in a side of the first portion facing the lamp post 3, a spring 612 and a chuck 613 are sequentially disposed in the mounting hole 611 from inside to outside, a first permanent magnet 614 is disposed in the chuck 613, and a second permanent magnet 615 is disposed on the connecting portion 62. Under normal conditions, the chuck 613 extends into the positioning hole 32 under the action of the spring 612, so that the fixing member 6 cannot slide along the first sliding chute 31; when the connecting portion 62 abuts against the fixing portion 61 by rotating around the pin shaft, the chucking head 613 is pulled out from the positioning hole 32 by the magnetic force between the first permanent magnet 614 and the second permanent magnet 615, and the fixing member 6 can slide along the first sliding groove 31.

Referring to fig. 6, a driving device 8 is further disposed in the lamp post 3, the driving device 8 includes a movable member 81 slidably disposed in the lamp post 3 and a driving mechanism installed in the lamp post 3 for driving the movable member 81 to slide along the length direction of the lamp post 3, a plurality of through holes are disposed on the peripheral side wall of the lamp post 3 near the lamp body 4, a pulling rope 82 is connected between the connecting portion 62 and the movable member 81, and the pulling rope 82 passes through the through holes.

Referring to fig. 6, the first sliding groove 31 is disposed to form a sliding rail 33 in the lamp post 3, a plurality of second sliding grooves 811 are disposed on the circumferential side wall of the movable member 81, and the sliding rail 33 is in sliding fit with the corresponding second sliding grooves 811. The driving mechanism comprises a screw rod 83 which penetrates through the movable piece 81 along the length direction of the lamp pole 3 and is in threaded connection with the movable piece 81, and a motor 84 fixed in the lamp pole 3, wherein an output shaft of the motor 84 is fixedly connected with the screw rod 83. When the motor 84 rotates forward, the screw 83 drives the movable element 81 to move in the lamp post 3 toward the lamp body 4; when the motor 84 rotates reversely, the screw 83 drives the movable element 81 to move in the lamp post 3 in a direction away from the lamp body 4.

The implementation principle of the second embodiment is as follows: normally, the chuck 613 is inserted into the positioning hole 32 by the spring 612. A user can drive the movable piece 81 to move upwards in the lamp post 3 by controlling the driving mechanism; during the moving process of the moving element 81, the connecting portion 62 rotates downward around the pin shaft until the connecting portion 62 abuts against the fixing portion 61, and at this time, the chuck 613 is pulled out from the positioning hole 32 under the action of the first permanent magnet 614 and the second permanent magnet 615; as the moveable member 81 continues to move upwards, the fixing member 6 and the profile plate 7 slide downwards along the lamp pole 3 under the action of gravity. Then, the user can drive the movable element 81 to move downwards in the lamp post 3 by controlling the driving mechanism; during the moving process of the movable piece 81, the movable piece 81 drives the fixed piece 6 and the profiling sheet 7 to move upwards through the pulling rope 82 until the fixed piece 6 moves to the upper end of the first sliding groove 31; as the movable member 81 continues to move downward, the connecting portion 62 pivots upward about the pin, and the connecting portion 62 separates from the movable portion.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. an acrylic profiling sheet manufacturing process, is characterized in that: comprise the following steps:

S1, preprocessing: including S11, cutting the acrylic plate into a preset shape to form a primary embryo;

S2. Heating: put the initial embryo into the oven for heating, and the heating temperature is controlled at 170-180°C;

S3. Use a mold to hot-press the initial embryo, wherein the mold includes a male mold (1) and a female mold (2), the male mold (1) is provided with a core (12), and the female mold (2) ) is provided with a cavity (22);

When hot-pressing the preliminary embryo, first open the mold; then put the heated preliminary embryo into the cavity (22); then close the mold and wait for the preliminary embryo to cool and set to form a profiling sheet (7); The mould is then opened and the finished profiled sheet (7) is taken out.

2. a kind of acrylic profiling sheet manufacturing technology according to claim 1, is characterized in that: in step S2, initial embryo is heated in oven for 25-30 minutes;

In step S3, wait at least 20 minutes after closing the mold.

3. a mould, is used for the described acrylic profiling sheet manufacturing technique of claim 1 or 2, it is characterized in that: male mould (1) and female mould (2); Described male mould (1) comprises male template ( 11) and a plurality of core plates (121) stacked on one side of the male template (11), the adjacent core plates (121) are fixed to each other, and the male template (11) is adjacent to it The core plates (121) are fixedly connected, and the core plates (121) are combined to form the core (12);

The master mold (2) includes a master template (21) and a plurality of cavity plates (221) stacked on one side of the master template (21), and adjacent cavity plates (221) are fixed to each other, and the The mother template (21) is fixedly connected with the cavity plate (221) adjacent to it; the cavity plate (221) is provided with forming holes, and the forming holes and walls of the plurality of cavity plates (221) are combined to form a cavity (twenty two).

4. A decorative lamp, characterized in that it comprises a lamp post (3), a lamp body (4) connected to one end of the lamp post (3), and a plurality of lamp bodies (4) connected to the peripheral side wall of the lamp post (3) close to the lamp body (4). ) at the fixing piece (6), the fixing piece (6) is connected with a profiling sheet (7), and the profiling sheet (7) is made by the acrylic profiling sheet manufacturing process of claim 1 or 2.

5. A decorative lamp according to claim 4, characterized in that: the fixing member (6) comprises a fixing part (61) and a connecting part (62) connected to the connecting part (62); the fixing part (62); The part (61) is connected with the light pole (3); the connecting part (62) is detachably connected with the profiling sheet (7).

6. A decorative lamp according to claim 5, wherein at least one screw (71) is fixed on one side of the connecting portion (62), and a nut (72) is screwed on the screw (71). ); the profiling sheet (7) is provided with a threading hole (73), the screw (71) passes through the profiling sheet (7) through the threading hole (73), and the profiling A piece (7) is located between the connecting portion (62) and the nut (72).

7 . The decorative lamp according to claim 6 , wherein the threading hole ( 73 ) comprises a via hole and a position adjustment hole, and the via hole is communicated with the position adjustment hole. 8 .

8 . The decorative lamp according to claim 5 , wherein the fixing portion ( 61 ) and the connecting portion ( 62 ) are integrally formed, and the fixing portion ( 61 ) is welded to the lamp post ( 8 . 3) on.

9 . The decorative lamp according to claim 5 , wherein the fixing portion ( 61 ) is slidingly connected to the light pole ( 3 ), and the connecting portion ( 62 ) is connected to the fixing portion 9 . (61) Hinged by a pin shaft, a driving device (8) is provided in the light pole (3);

The driving device (8) includes a movable piece (81) slidably arranged in the light pole (3) and a movable piece (81) installed in the light pole (3) for driving the movable piece (81) to slide along the length direction of the light pole (3). A driving mechanism, a plurality of through holes are formed on the peripheral side wall of the lamp post (3) near the lamp body (4), and a pulling rope (82) is connected between the connecting portion (62) and the movable member (81). ), the drawstring (82) passes through the through hole;

A positioning hole (32) is further formed on the peripheral side wall of the light pole (3) near the lamp body (4); a mounting hole (611) is formed on the side of the fixing member (6) facing the light pole (3) , a spring (612) and a clamping head (613) are arranged in the mounting hole (611) in sequence from the inside to the outside, and a first permanent magnet (614) is arranged in the clamping head (613); the connecting part ( 62) is provided with a second permanent magnet (615).

10 . The decorative lamp according to claim 9 , wherein a slideway ( 33 ) is provided in the light pole ( 3 ) along the length direction of the light pole ( 3 ), and the movable member ( 81 ) is on the movable member ( 81 ). 11 . A second chute (811) is provided, and the chute (33) is slidably matched with the second chute (811); the driving mechanism comprises a movable member (81) extending along the length direction of the light pole (3) and extending through the A lead screw (83) threadedly connected with the movable piece (81) and a motor (84) fixed in the lamp pole (3), the output shaft of the motor (84) being fixedly connected with the lead screw (83).