CN210683928U

CN210683928U - Vacuum coating machine for front lamp decorative ring

Info

Publication number: CN210683928U
Application number: CN201921603489.6U
Authority: CN
Inventors: 江孝平
Original assignee: Shanghai Liangqin Industry Co Ltd
Current assignee: Shanghai Liangqin Industry Co Ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-06-05
Anticipated expiration: 2029-09-24

Abstract

The utility model relates to a front lamp decoration ring vacuum coating machine, which comprises a vacuum chamber, a rotating frame and a driving assembly, wherein a central rod is vertically fixed in the vacuum chamber, and the side wall of the central rod is provided with at least one electrode rod; the rotary frame is provided with at least one clamp assembly, so that the uniformity of coating on the surface of the workpiece is improved, the clamp can cover the non-coating area of the workpiece while clamping the workpiece, the working difficulty is reduced, and the production efficiency is improved.

Description

Vacuum coating machine for front lamp decorative ring

Technical Field

The utility model relates to a vacuum coating equipment technical field especially relates to a front lamp decoration circle vacuum coating machine.

Background

As is known, the decorative ring of the automobile lamp is mostly an important part at the outermost part of the front lamp and the tail lamp of the automobile, and the decorative ring of the automobile lamp is used for decorating and decorating the front lamp and the tail lamp of the automobile and is pleasing to the eyes. Since the user can directly observe the component with the eyes, the appearance of the vehicle lamp is directly affected by the amount of surface flaws, which can cause uncomfortable feeling and doubts about the quality of the vehicle: as much as one vehicle lamp has flaws, the overall quality of the vehicle will be good. Therefore, the surface plating quality of the lamp bezel is very important.

The surface of the prior decorative ring of the automobile lamp is generally plated in vacuum, the vacuum plating mainly comprises several types of vacuum evaporation plating, sputtering plating and ion plating, and various metal and non-metal films are deposited on the surface of a plastic part by distillation or sputtering and the like under the vacuum condition.

As shown in fig. 5, a conventional ion plating technique is based on a principle that a workpiece is held on an outer peripheral surface of a rotating frame 2 in a vacuum chamber 100, the rotating frame 2 is rotated by a driving unit 4, a plurality of electrode rods 21 for generating plasma are attached to an inner wall of the vacuum chamber 100, and the plasma forms a film on the surface of the workpiece.

The defects of the prior art are that the position of an electrode rod is fixed, when a rotating frame is in a rotating state, a workpiece is close to the electrode rod and is far away from the electrode rod, so that the film forming quality of the workpiece is different, and in order to ensure the film forming quality of the workpiece, the retention time of the workpiece near the electrode rod is increased, so that the electrode rods on the inner side wall of a vacuum chamber are uniform and dense as far as possible, and the practicability is low; in addition, in order to facilitate the installation precision, the installation part of the workpiece is often required to be not plated with color, so that an area needing color plating and an area needing no color plating exist on the surface of the workpiece, and the non-color-plated area needs to be subjected to covering treatment on the surface of the workpiece in advance to avoid coloring of the area, so that each workpiece needs to be subjected to covering treatment manually before being clamped, the workload is huge, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a preceding lamp decoration circle vacuum coating machine improves the homogeneity and the anchor clamps of workpiece surface coating film and can carry out the non-to plate the covering of look region to the work piece when the centre gripping work piece and handle, reduces the work degree of difficulty, improves production efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a vacuum coating machine for a front lamp decoration ring comprises a vacuum chamber, a rotating frame and a driving assembly, wherein a central rod is vertically fixed in the vacuum chamber, and at least one electrode rod is arranged on the side wall of the central rod; the rotary frame is provided with at least one clamp assembly, the clamp assembly comprises a first clamping piece, a second clamping piece and a locking mechanism for limiting the relative position of the second clamping piece and the first clamping piece, the first clamping piece is provided with a first covering die attached to a non-color-plating area covered on one surface of a workpiece, and the second clamping piece is provided with a second covering die attached to a non-color-plating area covered on the other surface of the workpiece; the driving assembly drives the central rod to rotate relative to the vacuum chamber, and simultaneously drives the rotating frame to rotate and drive the rotating frame to revolve around the axis of the central rod.

By adopting the technical scheme, the driving assembly drives the rotating frame provided with the clamp assembly to rotate and simultaneously drives the rotating frame to revolve around the central rod, and the revolution of the rotating frame enables each surface of the workpiece to be close to different electrode rods while rotating, so that the residence time of the workpiece in a plasma region generated by the electrode rods is prolonged and is longer than the residence time, and the uniformity and the quality of the coating on the surface of the workpiece are improved; meanwhile, the workpiece is clamped between the first clamping piece and the second clamping piece, the relative positions of the first clamping piece and the second clamping piece are fixed through the locking mechanism so as to avoid the situation that the workpiece accidentally drops in the process that the rotating frame drives the workpiece to rotate, in the process of clamping the workpiece, the first covering die and the second covering die are similar to a movable die and a fixed die of an injection molding workpiece, so that the workpiece can be attached to and clamped on the rotating frame from front to back by the first covering die and the second covering die, a color coating area on the workpiece is exposed in a plasma area through a position opened on the covering die, the covering die plays a role in clamping the workpiece and also plays a role in covering a non-color coating area of the workpiece, the workpiece can be clamped and covered in the non-color coating area, the working difficulty is reduced, and the production efficiency is improved.

The utility model discloses further set up to: the rotary frame is provided with at least two rotary frames, and the rotary frames are uniformly distributed in a circumference mode by taking the central rod as a circle center.

By adopting the technical scheme, the number of workpieces which can be clamped in one-time coating processing is increased, and the production efficiency is improved; and the rotating frames are uniformly distributed, so that the condition that the coating quality of the workpiece is poor due to the fact that the adjacent rotating frames are mutually influenced and the plasma is not uniformly diffused can be avoided.

The utility model discloses further set up to: the rotating frame comprises a rotating rod driven by the driving assembly to rotate, circular frames respectively fixed at the upper part and the lower part of the rotating rod, and a plurality of supporting rods respectively fixedly connected between the circular frames at the two ends; the circumference outer fringe evenly distributed of round rack is followed to branch, anchor clamps subassembly erects to be fixed in branch with between the dwang.

By adopting the technical scheme, the workpiece can be closer to the rotation axis of the rotating frame, so that the distance difference between two surfaces of the workpiece and the electrode rod in the rotating process is shortened, and the uniformity of the coated surface of the workpiece is improved.

The utility model discloses further set up to: the driving assembly comprises a motor and a rotary disc sleeved at one end of the central rod; the motor drive the carousel rotate around well core rod axis, the dwang is worn to establish the one end of carousel terminal surface and is fixed with gear two, gear two with be fixed in well core rod's three meshing of gear is connected.

By adopting the technical scheme, the motor drives the turntable to rotate around the axis of the central rod, and simultaneously drives the rotating rod to rotate around the axis of the central rod, so that the revolution of the rotating frame is realized; the rotating rod is driven to rotate around the axis of the rotating rod through the meshing of the gear III and the gear II, and therefore the rotation of the rotating frame is achieved.

The utility model discloses further set up to: the outer circle side wall of the rotary table is provided with an annular gear ring in a protruding mode, and the gear ring is meshed with a gear fixed on the output shaft of the motor.

By adopting the technical scheme, the motor drives the turntable to rotate around the axis of the central rod through the meshing of the first gear and the gear ring, and the rotating torque of the turntable is improved.

The utility model discloses further set up to: the first clamping pieces are fixedly connected between the supporting rods and the rotating rods and are arranged at equal intervals in the vertical direction, and the first clamping pieces on the adjacent supporting rods are arranged in a staggered mode.

By adopting the technical scheme, both surfaces of the workpiece can be coated with films. The condition that the coating quality of the workpiece is poor due to the fact that the adjacent rotating frames are mutually influenced and the plasma is not uniformly diffused can be avoided.

The utility model discloses further set up to: the locking mechanism comprises a locking rod fixed on the second clamping piece and a locking piece fixed on the first clamping piece; the locking piece comprises a limiting plate, a lock seat and a clamping piece hinged to the lock seat; one side of holder two with holder one is articulated to be connected, the limiting plate is followed holder two rotation direction offer confession the spacing groove that the locking lever inlay card, the card is equipped with the catching groove, the lock seat with be equipped with between the card and force the card to rotate and make the catching groove buckle wrap up in just to the torsional spring of the lateral wall of spacing groove entry on the locking lever.

By adopting the technical scheme, when the second clamping part rotates to be close to the first clamping part, the lock rod is embedded in the limiting groove in a clamping mode, the torsional spring forces the clamping piece to abut against the lock rod and press the lock rod in the limiting groove through the buckling groove, the torsional spring limits the lock rod to be separated from the limiting groove, so that the second clamping part compresses the first clamping part, and the second clamping part is limited to be separated from the first clamping part.

The utility model discloses further set up to: and the electrode rods horizontally face each layer of clamp assemblies on the rotating frame in the vertical direction.

By adopting the technical scheme, the distance between the electrode rod and the rotating frame can be shortened, so that the color plating efficiency of the surface of the workpiece is improved.

To sum up, the utility model discloses following beneficial effect has:

1. the rotation and revolution of the workpiece are realized by arranging the driving assembly and the clamp assembly, so that the uniformity of the coating on the surface of the workpiece is improved; meanwhile, the workpiece can be attached to and clamped on the rotating frame from front to back by the first covering die and the second covering die, and the covering die plays a role in clamping the workpiece and covering a non-color-plating area of the workpiece, so that the workpiece can be clamped and the non-color-plating area of the workpiece can be covered, the working difficulty is reduced, and the production efficiency is improved;

2. the motor drives the rotating rod to rotate around the axis of the central rod, so that the revolution of the rotating frame is realized; meanwhile, the central rod drives the rotating rod to rotate around the axis of the central rod through the meshing of the third gear and the second gear, so that the rotation of the rotating frame is realized, and the uniformity of the surface coating of the workpiece is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the driving assembly of the present invention;

fig. 3 is a schematic structural view of the rotating frame of the present invention;

FIG. 4 is a schematic structural view of the clamp assembly of the present invention;

fig. 5 is a schematic diagram of a prior art structure.

In the figure, 1, a center rod; 2. rotating the frame; 3. a clamp assembly; 4. a drive assembly; 11. an electrode rod; 21. rotating the rod; 22. a circular frame; 23. a strut; 31. a first clamping piece; 32. covering the first mold; 33. a second clamping piece; 34. covering the second mold; 35. a latch mechanism; 41. a turntable; 42. a second gear; 43. a first gear; 44. a motor; 45. a third gear; 100. a vacuum chamber; 311. a support; 331. a lock lever; 351. a limiting plate; 352. a lock seat; 353. a card; 3511. a limiting groove; 3521. a torsion spring; 3531. and (6) buckling grooves.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A front lamp decoration ring vacuum coating machine is shown in figure 1 and comprises a vacuum chamber 100, a central rod 1, a rotating frame 2, a clamp assembly 3 and a driving assembly 4; wherein the vacuum chamber 100 is barrel-shaped, the central rod 1 is vertically fixed at the axis position of the vacuum chamber 100, and a plurality of electrode rods 11 are horizontally fixed on the peripheral side wall of the central rod 1; the revolving rack 2 is set to be four and uses the axis of the central rod 1 as the circle center to be the circumference evenly distributed in the vacuum chamber 100, the clamp assembly 3 is erected on the revolving rack 2, the revolving rack 2 comprises a rotating rod 21 as the rotation center of the revolving rack 2, and the driving assembly 4 drives the rotating rod 21 to rotate and drives the rotating rod 21 to revolve around the axis of the central rod 1, so that the uniformity of the coating film on the surface of the workpiece is improved.

As shown in fig. 2, the driving assembly 4 includes a motor 44 and a rotating disc 41 sleeved on the lower end of the central rod 1, an annular gear ring is protruded from the outer circumferential side wall of the rotating disc 41, the gear ring is engaged with a first gear 43 fixed on an output shaft of the motor 44, a second gear 42 is fixed on one end of the rotating rod 21 penetrating through the end surface of the rotating disc 41, and the second gear 42 is engaged with a third gear 45 fixed on one end of the central rod 1; the motor 44 drives the rotating disc 41 to rotate around the axis of the central rod 1 through the meshing of the first gear 43 and the gear ring, and the rotating disc 41 simultaneously drives the rotating rod 21 to rotate around the axis of the central rod 1, so that the revolution of the rotating frame 2 is realized; the rotating rod 21 is driven to rotate around the axis of the rotating rod by the meshing of the third gear 45 and the second gear 42, so that the rotating frame 2 can rotate.

As shown in fig. 3, the rotating frame 2 further has circular frames 22 respectively fixed to the upper portion of the rotating rod 21 and the lower portion of the rotating rod 21 and four supporting rods 23 respectively fixedly connected between the upper and lower circular frames 22; branch 23 is along circular frame 22's circumference outer fringe evenly distributed, and anchor clamps subassembly 3 erects to be fixed in between branch 23 and the dwang 21, and anchor clamps subassembly 3 arranges along vertical direction equidistance, and the crisscross setting of anchor clamps subassembly 3 on the adjacent branch 23, every layer of anchor clamps subassembly 3 along vertical direction on each electrode pole 11 level orientation revolving rack 2 respectively.

As shown in fig. 4, the clamping assembly 3 includes a first clamping member 31, a second clamping member 33, and a locking mechanism 35 for limiting the relative position of the second clamping member 33 and the first clamping member 31; a plurality of brackets 311 (refer to fig. 3) are horizontally and fixedly connected between the supporting rod 23 and the rotating rod 21, the brackets 311 are arranged at equal intervals along the vertical direction, the two brackets 311 form a first clamping piece 31, a first covering die 32 which is attached to and covers a non-color-plating area on one surface of a workpiece is fixedly connected between the two brackets 311, a second covering die 34 which is attached to and covers a non-color-plating area on the other surface of the workpiece is fixed on the second clamping piece 33, in the process that the first clamping piece 31 and the second clamping piece 33 clamp the workpiece simultaneously, the first covering die 32 and the second covering die 34 are similar to a movable die and a fixed die of an injection molding workpiece, and the workpiece is attached to and clamped on the rotating frame 2 from front to back by the first covering die 32 and.

As shown in fig. 4, the second clamping member 33 is hinged to one of the brackets 311 serving as the first clamping member 31, a limiting plate 351 and a lock seat 352 are fixed to a side wall of the other bracket 311 serving as the first clamping member 31, a lock rod 331 is fixed to one side of the second clamping member 33, and the limiting plate 351 is provided with a limiting groove 3511 for the lock rod 331 to be clamped and embedded along a rotation direction of the second clamping member 33 relative to the first clamping member 31; the lock seat 352 is hinged with a clamping piece 353, the hinge axis of the lock seat 353 is vertical to the horizontal plane, the clamping piece 353 is provided with a buckling groove 3531, and a torsion spring 3521 which forces the clamping piece 353 to rotate and enables the buckling groove 3531 to buckle and wrap the side wall, which is opposite to the inlet of the limiting groove 3511, on the lock rod 331 is arranged between the lock seat 352 and the clamping piece 353; the limiting plate 351, the lock seat 352 and the clamping piece 353 form a locking piece, and the lock rod 331 and the locking piece form a locking mechanism 35; when the second clamping member 33 rotates to approach the first clamping member 31, the lock rod 331 is embedded in the limiting groove 3511, the torsion spring 3521 forces the clamping piece 353 to abut against the lock rod 331 and press the lock rod 331 into the limiting groove 3511 through the buckling groove 3531, the torsion spring 3521 limits the lock rod 331 to be separated from the limiting groove 3511, so that the second clamping member 33 compresses the first clamping member 31, and the second clamping member 33 is limited to be separated from the first clamping member 31.

Principle of operation

Referring to fig. 4, a workpiece is clamped between a first clamping piece 31 and a second clamping piece 33, and the relative positions of the first clamping piece 31 and the second clamping piece 33 are fixed through a locking mechanism 35 to avoid the situation that the workpiece accidentally drops in the process that the rotating frame 2 drives the workpiece to rotate, in the process of clamping the workpiece, a first covering die 32 and a second covering die 34 are similar to a moving die and a fixed die of an injection-molded workpiece, the workpiece is attached to and clamped on the rotating frame 2 from front to back by the first covering die 32 and the second covering die 34, a color-plated area on the workpiece is exposed to a plasma area through a part opened on the covering die, and the covering die plays both a role of clamping the workpiece and a role of covering a non-color-plated area of the workpiece, so that the workpiece can be subjected to covering treatment on the non-color-plated area while being clamped, the working difficulty is reduced, and the production efficiency is improved;

referring to fig. 2, the motor 44 drives the turntable 41 to rotate around the axis of the central rod 1 through the engagement of the first gear 43 and the gear ring, and the turntable 41 simultaneously drives the rotating rod 21 to rotate around the axis of the central rod 1, so as to realize the revolution of the rotating frame 2; the third gear 45 and the second gear 42 are meshed to drive the rotating rod 21 to rotate around the axis of the rotating rod, so that the rotating frame 2 can rotate, and the uniformity of the film coating on the surface of the workpiece is improved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.

Claims

1. The utility model provides a preceding lamp decoration circle vacuum coating machine, includes vacuum chamber (100), revolving rack (2) and drive assembly (4), characterized by: a central rod (1) is vertically fixed on the vacuum chamber (100), and at least one electrode rod (11) is arranged on the side wall of the central rod (1); the rotary frame (2) is provided with at least one clamp assembly (3), the clamp assembly (3) comprises a first clamping piece (31), a second clamping piece (33) and a locking mechanism (35) for limiting the relative position of the second clamping piece (33) and the first clamping piece (31), the first clamping piece (31) is provided with a first covering die (32) which is attached to and covered on a non-color-plated area on one surface of a workpiece, and the second clamping piece (33) is provided with a second covering die (34) which is attached to and covered on the non-color-plated area on the other surface of the workpiece; the driving assembly (4) drives the rotating frame (2) to rotate and drives the rotating frame (2) to revolve around the axis of the central rod (1).

2. The vacuum coating machine for the front lamp decoration ring of claim 1 is characterized in that: the rotary frame (2) is provided with at least two rotary frames, and the rotary frames (2) are uniformly distributed in a circumferential manner by taking the central rod (1) as a circle center.

3. The vacuum coating machine for the front lamp decoration ring of claim 2 is characterized in that: the rotating frame (2) comprises a rotating rod (21) driven by the driving assembly (4) to rotate, circular frames (22) respectively fixed on the upper part of the rotating rod (21) and the lower part of the rotating rod (21), and a plurality of supporting rods (23) respectively fixedly connected between the circular frames (22) at two ends; branch (23) are along the circumference outer fringe evenly distributed of circular frame (22), anchor clamps subassembly (3) erect be fixed in branch (23) with between dwang (21).

4. The vacuum coating machine for the front lamp decoration ring of claim 3 is characterized in that: the driving assembly (4) comprises a motor (44) and a rotary disc (41) sleeved at one end of the central rod (1); motor (44) drive carousel (41) wind well core rod (1) axis rotates, the one end that carousel (41) terminal surface was worn to establish by dwang (21) is fixed with gear two (42), gear two (42) with be fixed in the meshing of the gear three (45) of well core rod (1) is connected.

5. The vacuum coating machine for the front lamp decoration ring of claim 4 is characterized in that: the outer circle side wall of the rotary table (41) is provided with an annular gear ring in a protruding mode, and the gear ring is meshed and connected with a first gear (43) fixed to an output shaft of the motor (44).

6. The vacuum coating machine for the front lamp decoration ring of claim 3 is characterized in that: the first clamping pieces (31) are fixedly connected between the support rods (23) and the rotating rods (21), the first clamping pieces (31) are arranged at equal intervals in the vertical direction, and the first clamping pieces (31) on the adjacent support rods (23) are arranged in a staggered mode.

7. The vacuum coating machine for the front lamp decoration ring of claim 6 is characterized in that: the locking mechanism (35) comprises a locking rod (331) fixed on the second clamping piece (33) and a locking piece fixed on the first clamping piece (31); the locking piece comprises a limiting plate (351), a lock seat (352) and a clamping piece (353) hinged to the lock seat (352); one side of holder two (33) with holder one (31) is articulated to be connected, limiting plate (351) are followed the confession has been seted up to holder two (33) rotation direction locking lever (331) inlay card spacing groove (3511), card (353) are equipped with catching groove (3531), lock seat (352) with be equipped with between card (353) and force card (353) to rotate and make catching groove (3531) buckle wrap up in on locking lever (331) just to torsional spring (3521) to the lateral wall of spacing groove (3511) entry.

8. The vacuum coating machine for the front lamp decoration ring of claim 6 is characterized in that: the electrode rods (11) horizontally face each layer of clamp assemblies (3) on the rotating frame (2) in the vertical direction.