CN218111535U

CN218111535U - Audio and video equipment shell processing agency

Info

Publication number: CN218111535U
Application number: CN202221550491.3U
Authority: CN
Inventors: 邓应金; 曾振华; 庞敏
Original assignee: Shenzhen Zhanye Precision Plastic Co ltd
Current assignee: Shenzhen Zhanye Precision Plastic Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-12-23
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses an audio and video equipment shell processing mechanism, including placing the platform, the top of placing the platform is fixed with the function block, the top of function block has seted up the mounting groove, be provided with the bed die in the mounting groove, the top of bed die extends outside the mounting groove, the top of bed die has seted up the injection molding chamber, the bottom of bed die has seted up two drawing of patterns holes, the drawing of patterns hole is linked together with the injection molding chamber, be provided with the lifting plate in the drawing of patterns hole, be provided with two drawing of patterns mechanisms on the function block; the demoulding mechanism comprises a rectangular groove, a circular groove, a threaded sleeve and a threaded short rod, and the utility model relates to the technical field of television production; this audio frequency and video equipment shell processing mechanism can lift the TV shell of accomplishing the moulding plastics through the demoulding mechanism who sets up, makes it slowly demolding under the even condition of atress, conveniently carries out subsequent processing for the efficiency of moulding plastics.

Description

Audio and video equipment shell processing agency

Technical Field

The utility model relates to a TV set production technical field specifically is an audio and video equipment shell processing agency.

Background

When the television is manufactured, the shell of the television needs to be subjected to injection molding, and an injection mold is used, wherein the injection mold is a tool for producing plastic products; the injection molding is a processing method used for batch production of parts with complex shapes, and particularly relates to a method for injecting heated and molten plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

When the existing audio and video equipment shell processing mechanism is used, after injection molding work is often finished, a formed television shell can be clamped in a mold and is not easy to separate, and the shell is easy to damage due to uneven stress in the demolding process, so that the injection molding effect is influenced.

Therefore, the utility model provides an audio frequency and video equipment shell processing agency to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an audio and video equipment shell processing agency has solved above-mentioned problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a functional block is fixedly mounted at the top of the placing table, a mounting groove is formed in the top of the functional block, a lower die is arranged in the mounting groove, the top of the lower die extends out of the mounting groove, an injection molding cavity is formed in the top of the lower die, two demolding holes are formed in the bottom of the lower die and communicated with the injection molding cavity, a lifting plate is arranged in each demolding hole, and two demolding mechanisms are arranged on the functional block;

demoulding mechanism is including the rectangular channel, circular slot, threaded sleeve, screw stub, square, drive chamber, outer ring gear, dwang and drive gear, the rectangular channel is seted up on the bottom inner wall of mounting groove, the rectangular channel communicates with corresponding drawing of patterns hole, the circular slot is seted up on the bottom inner wall of rectangular channel, the threaded sleeve rotates and installs in the circular slot, screw stub screw thread is installed in the threaded sleeve, the top of screw stub extends to the rectangular channel in, square fixed mounting is on the top of screw stub, the top of square slides and extends outside the corresponding rectangular channel, the top of square and the bottom fixed connection of the lifting plate that corresponds, the drive chamber is seted up on the bottom inner wall of circular slot, the telescopic bottom of screw stub extends to in the drive chamber, outer ring gear fixed mounting is on the threaded sleeve, the rotation of block is installed on the bottom inner wall of drive chamber dwang, drive gear fixed mounting is on the top of drive gear, drive gear and outer ring gear ring meshing.

Preferably, fixed mounting has first conical gear on the dwang, the transmission chamber has been seted up on the function block, the transmission chamber is linked together with the drive chamber, the bottom inner wall fixed mounting in transmission chamber has double-shaft motor, equal fixed mounting has the transfer line on two output shafts of double-shaft motor, the one end of transfer line extends to the drive intracavity that corresponds, the one end fixed mounting of transfer line has second conical gear, second conical gear and the first conical gear meshing that corresponds, through the double-shaft motor that sets up can two screw sleeve synchronous rotations of indirect control for two lift plates can go up and down thereupon.

Preferably, a fixed cavity has been seted up on the function block, two shifting chutes have been seted up to one side inner wall in fixed cavity, the shifting chute is linked together with the mounting groove, one side outer wall fixed mounting of function block has driving motor, fixed mounting has two-way threaded rod on driving motor's the output shaft, the one end of two-way threaded rod extends to fixed intracavity, two-way threaded rod rotates with the function block to be connected, two clamp plates are installed to two-way threaded rod upper thread, one side of clamp plate extends to the shifting chute that corresponds in, set up two symmetric distribution's slot on the chamber of moulding plastics, one side fixed mounting of clamp plate has the clamping bar, the one end of clamping bar slides and extends to in the slot that corresponds, can carry out the centre gripping fixedly to the bed die through the clamping bar that sets up, can dismantle the maintenance to it after the bed die uses for a long time.

Preferably, the top fixed mounting who places the platform has the pneumatic cylinder of two symmetric distributions, two fixed mounting has same roof on the output shaft of pneumatic cylinder, the bottom fixed mounting of roof has the connecting block, the bottom fixed mounting of connecting block has the mould, go up mould and injection molding chamber looks adaptation, the liftable that goes up the mould through the setting can conveniently laminate with the bed die.

Preferably, seted up on the connecting block and held the chamber, the bottom inner wall fixed mounting who holds the chamber has the pipe of moulding plastics, the bottom through connection piece and the last mould of pipe of moulding plastics, the top inner wall fixed mounting who holds the chamber has the filling tube, the top through connection piece and the roof of filling tube can make things convenient for moulding plastics between case upper die and the bed die through the chamber that holds that sets up.

Preferably, two auxiliary plates which are symmetrically distributed are fixedly mounted on the connecting block, two limiting cylinders are fixedly mounted at the top of the functional block, a T-shaped positioning rod is arranged in each limiting cylinder, the top end of each T-shaped positioning rod extends out of each limiting cylinder in a sliding mode, the top end of each T-shaped positioning rod is fixedly connected with the bottom of the corresponding auxiliary plate, and the upper die and the lower die can be attached without deviation through the arranged T-shaped positioning rods, so that the injection molding effect is affected.

Preferably, the spout has been seted up to one side inner wall of rectangular channel, one side fixed mounting of square has the pin, the one end of pin extend to in the spout and with spout sliding connection, can carry on spacingly to the displacement distance of square through the pin that sets up, avoid the square to remove the interval too big rectangular channel that breaks away from.

Preferably, fixed intracavity fixed mounting has the slide bar, the slide bar slides and runs through the clamp plate, can carry on spacingly to the clamp plate through the slide bar that sets up, avoids the clamp plate to take place to rotate.

Advantageous effects

The utility model provides an audio frequency and video equipment shell processing agency. Compared with the prior art, the method has the following beneficial effects:

(1) This audio frequency and video equipment shell processing agency can lift the TV set shell of accomplishing the moulding plastics through the demoulding mechanism who sets up, makes it slowly demolding under the even condition of atress, conveniently carries out subsequent processing for the efficiency of moulding plastics.

(2) This audio frequency and video equipment shell processing agency can carry out the centre gripping to the bed die through the clamping bar that sets up and fix for can dismantle the installation to it fast when needs carry out the dismouting to the bed die, conveniently maintain and overhaul.

Drawings

Fig. 1 is a perspective view of the external structure of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is a schematic view of the present invention in a partial top view.

In the figure: 1. a placing table; 2. a function block; 3. mounting grooves; 4. a lower die; 5. an injection molding cavity; 6. demoulding holes; 7. a lifting plate; 8. a rectangular groove; 9. a circular groove; 10. a threaded sleeve; 11. a threaded stub; 12. a square block; 13. a drive chamber; 14. an outer ring gear; 15. rotating the rod; 16. a drive gear; 17. a first bevel gear; 18. a transmission cavity; 19. a dual-axis motor; 20. a transmission rod; 21. a second bevel gear; 22. a fixed cavity; 23. a moving groove; 24. a drive motor; 25. a bidirectional threaded rod; 26. pressing a plate; 27. a slot; 28. a clamping bar; 29. a hydraulic cylinder; 30. a top plate; 31. connecting blocks; 32. an upper die; 33. an accommodating chamber; 34. injecting a tube; 35. a feed tube; 36. a T-shaped positioning rod; 37. a stop lever; 38. a slide bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 2 and 3, the audio and video equipment shell processing mechanism comprises a placing table 1, wherein a function block 2 is fixedly installed at the top of the placing table 1, an installation groove 3 is formed in the top of the function block 2, a lower die 4 is arranged in the installation groove 3, the top of the lower die 4 extends out of the installation groove 3, an injection molding cavity 5 is formed in the top of the lower die 4, two demolding holes 6 are formed in the bottom of the lower die 4, the demolding holes 6 are communicated with the injection molding cavity 5, a lifting plate 7 is arranged in the demolding holes 6, and two demolding mechanisms are arranged on the function block 2;

the demoulding mechanism comprises a rectangular groove 8, a circular groove 9, a threaded sleeve 10, a threaded short rod 11, a square block 12, a driving cavity 13, an outer toothed ring 14, a rotating rod 15 and a driving gear 16, wherein the rectangular groove 8 is formed in the inner wall of the bottom of the mounting groove 3, the rectangular groove 8 is communicated with a corresponding demoulding hole 6, the circular groove 9 is formed in the inner wall of the bottom of the rectangular groove 8, the threaded sleeve 10 is rotatably mounted in the circular groove 9, the threaded short rod 11 is threadedly mounted in the threaded sleeve 10, the top end of the threaded short rod 11 extends into the rectangular groove 8, the square block 12 is fixedly mounted at the top end of the threaded short rod 11, the top end of the square block 12 slidably extends out of the corresponding rectangular groove 8, the top end of the square block 12 is fixedly connected with the bottom of the corresponding lifting plate 7, the driving cavity 13 is formed in the inner wall of the bottom of the circular groove 9, the bottom end of the threaded sleeve 10 extends into the driving cavity 13, the outer toothed ring 14 is fixedly mounted on the threaded sleeve 10, the rotating rod 15 is rotatably mounted on the inner wall of the bottom of the driving cavity 13, the driving gear 16 is fixedly mounted at the top end of the driving gear 15, and the driving gear 16 is meshed with the outer toothed ring 14;

fixed mounting has first conical gear 17 on dwang 15, has seted up transmission chamber 18 on the function block 2, transmission chamber 18 is linked together with drive chamber 13, the bottom inner wall fixed mounting in transmission chamber 18 has double-shaft motor 19, equal fixed mounting has transfer line 20 on two output shafts of double-shaft motor 19, the one end of transfer line 20 extends to in the drive chamber 13 that corresponds, the one end fixed mounting of transfer line 20 has second conical gear 21, second conical gear 21 meshes with the first conical gear 17 that corresponds.

The second embodiment:

referring to fig. 1, fig. 2 and fig. 4, the present embodiment provides a technical solution based on the first embodiment: a fixed cavity 22 is formed in the function block 2, two moving grooves 23 are formed in the inner wall of one side of the fixed cavity 22, the moving grooves 23 are communicated with the mounting groove 3, a driving motor 24 is fixedly mounted on the outer wall of one side of the function block 2, a bidirectional threaded rod 25 is fixedly mounted on an output shaft of the driving motor 24, one end of the bidirectional threaded rod 25 extends into the fixed cavity 22, the bidirectional threaded rod 25 is rotatably connected with the function block 2, two pressing plates 26 are mounted on the bidirectional threaded rod 25 in a threaded manner, one side of each pressing plate 26 extends into the corresponding moving groove 23, two symmetrically-distributed slots 27 are formed in the injection molding cavity 5, a clamping rod 28 is fixedly mounted on one side of each pressing plate 26, and one end of each clamping rod 28 extends into the corresponding slot 27 in a sliding manner;

the top of the placing table 1 is fixedly provided with two symmetrically distributed hydraulic cylinders 29, output shafts of the two hydraulic cylinders 29 are fixedly provided with a same top plate 30, the bottom of the top plate 30 is fixedly provided with a connecting block 31, the bottom of the connecting block 31 is fixedly provided with an upper die 32, and the upper die 32 is matched with the injection molding cavity 5;

an accommodating cavity 33 is formed in the connecting block 31, an injection molding pipe 34 is fixedly mounted on the inner wall of the bottom of the accommodating cavity 33, the bottom end of the injection molding pipe 34 penetrates through the connecting block 31 and the upper die 32, a feeding pipe 35 is fixedly mounted on the inner wall of the top of the accommodating cavity 33, and the top end of the feeding pipe 35 penetrates through the connecting block 31 and the top plate 30;

two auxiliary plates which are symmetrically distributed are fixedly arranged on the connecting block 31, two limiting cylinders are fixedly arranged at the top of the functional block 2, a T-shaped positioning rod 36 is arranged in each limiting cylinder, the top end of each T-shaped positioning rod 36 extends out of each limiting cylinder in a sliding manner, and the top end of each T-shaped positioning rod 36 is fixedly connected with the bottom of the corresponding auxiliary plate;

a sliding groove is formed in the inner wall of one side of the rectangular groove 8, a stop lever 37 is fixedly mounted on one side of the square 12, and one end of the stop lever 37 extends into the sliding groove and is in sliding connection with the sliding groove;

a sliding rod 38 is fixedly installed in the fixing chamber 22, and the sliding rod 38 slidably penetrates through the pressing plate 26.

And those not described in detail in this specification are well within the skill of those in the art.

When the injection molding machine works, firstly, the two hydraulic cylinders 29 are started, the hydraulic cylinders 29 drive the top plate 30 to descend, the top plate 30 drives the connecting block 31 to descend, the connecting block 31 drives the upper die 32 to descend until the upper die 32 moves into the injection molding cavity 5, the space formed between the upper die 32 and the injection molding cavity 5 is in the shape of a television shell, then high-temperature injection molding materials are added into the accommodating cavity 33 through the feeding pipe 35, the high-temperature injection molding materials enter the injection molding cavity 5 through the injection molding pipe 34 and can be molded after cooling, the hydraulic cylinders 29 are started reversely after molding is completed, so that the upper die 32 is separated from the injection molding cavity 5, then the double-shaft motor 19 is started, the double-shaft motor 19 drives the two transmission rods 20 to rotate, the transmission rods 20 drive the second bevel gears 21 to rotate, the second bevel gears 21 drive the first bevel gears 17 meshed with the second bevel gears 17 to rotate, the first bevel gears 17 drive the rotating rods 15 to rotate, the driving gears 15 drive the driving gears 16 to rotate, the driving gears 16 drive the rotating rods to rotate with the outer toothed rings 14 meshed with the outer toothed rings, the outer toothed rings 14 drive the threaded sleeves 10 to rotate, the short threaded sleeves 11 connected with the short threaded rods 11 to lift the square blocks 12, the lift plates 7, and lift the shells 7 to separate the lift plates 5, so that the injection molding plates can be molded;

when the lower die 4 needs to be disassembled and maintained after being used for a long time, the driving motor 24 is started firstly, the driving motor 24 drives the bidirectional threaded rod 25 to rotate, the bidirectional threaded rod 25 drives the two pressing plates 26 arranged on different thread surfaces of the bidirectional threaded rod to be away from each other, the pressing plates 26 drive the clamping rods 28 to move until the clamping rods 28 are separated from the slots 27, and then the lower die 4 is pulled upwards to be separated if the installation is required to be reversely operated.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an audio and video equipment shell processing agency, is including placing platform (1), its characterized in that: the multifunctional demolding device is characterized in that a functional block (2) is fixedly mounted at the top of the placing table (1), a mounting groove (3) is formed in the top of the functional block (2), a lower mold (4) is arranged in the mounting groove (3), the top of the lower mold (4) extends out of the mounting groove (3), an injection molding cavity (5) is formed in the top of the lower mold (4), two demolding holes (6) are formed in the bottom of the lower mold (4), the demolding holes (6) are communicated with the injection molding cavity (5), a lifting plate (7) is arranged in the demolding holes (6), and two demolding mechanisms are arranged on the functional block (2);

demoulding mechanism is including rectangular channel (8), circular slot (9), threaded sleeve (10), screw thread short rod (11), square (12), drive chamber (13), outer ring gear (14), dwang (15) and drive gear (16), rectangular channel (8) are seted up on the bottom inner wall of mounting groove (3), rectangular channel (8) are linked together with corresponding drawing of patterns hole (6), circular slot (9) are seted up on the bottom inner wall of rectangular channel (8), threaded sleeve (10) rotate and are installed in circular slot (9), screw thread short rod (11) screw thread is installed in threaded sleeve (10), the top of screw thread short rod (11) extends to in rectangular channel (8), square (12) fixed mounting is on the top of screw thread short rod (11), the top of square (12) slides and extends outside the corresponding rectangular channel (8) of dwang, the top of square (12) and the bottom fixed connection of corresponding lifting plate (7), drive chamber (13) are seted up on the inner wall of circular slot (9) the bottom of screw thread short rod (10), install on the inner wall of screw thread short rod (10) the drive chamber (13) the bottom of sleeve (13) drive chamber (13) extend to the bottom of sleeve (10) outer ring gear (10), the driving gear (16) is fixedly arranged at the top end of the rotating rod (15), and the driving gear (16) is meshed with the outer gear ring (14).

2. The audio and video equipment shell processing mechanism of claim 1, characterized in that: fixed mounting has first conical gear (17) on dwang (15), transmission chamber (18) have been seted up on function block (2), transmission chamber (18) are linked together with drive chamber (13), the bottom inner wall fixed mounting in transmission chamber (18) has double-shaft motor (19), equal fixed mounting has transfer line (20) on two output shafts of double-shaft motor (19), the one end of transfer line (20) extends to in drive chamber (13) that correspond, the one end fixed mounting of transfer line (20) has second conical gear (21), second conical gear (21) and the first conical gear (17) meshing that corresponds.

3. The audio and video equipment shell processing mechanism of claim 1, characterized in that: seted up fixed chamber (22) on function block (2), two shifting chutes (23) have been seted up to one side inner wall of fixed chamber (22), shifting chute (23) are linked together with mounting groove (3), one side outer wall fixed mounting of function block (2) has driving motor (24), fixed mounting has two-way threaded rod (25) on the output shaft of driving motor (24), the one end of two-way threaded rod (25) extends to in fixed chamber (22), two-way threaded rod (25) rotate with function block (2) and are connected, two clamp plates (26) are installed to screw thread on two-way threaded rod (25), one side of clamp plate (26) extends to in corresponding shifting chute (23), set up slot (27) of two symmetric distributions on injection molding chamber (5), one side fixed mounting of clamp plate (26) has clamp bar (28), the one end of clamp bar (28) slides and extends to in corresponding slot (27).

4. The audio and video equipment shell processing mechanism of claim 1, characterized in that: the top fixed mounting who places platform (1) has two symmetric distribution's pneumatic cylinder (29), two fixed mounting has same roof (30) on the output shaft of pneumatic cylinder (29), the bottom fixed mounting of roof (30) has connecting block (31), the bottom fixed mounting of connecting block (31) has last mould (32), go up mould (32) and mould plastics chamber (5) looks adaptation.

5. The audio and video equipment shell processing mechanism of claim 4, characterized in that: seted up on connecting block (31) and held chamber (33), the bottom inner wall fixed mounting who holds chamber (33) has injection molding pipe (34), the bottom through connection piece (31) of injection molding pipe (34) and last mould (32), the top inner wall fixed mounting who holds chamber (33) has filling tube (35), the top through connection piece (31) and roof (30) of filling tube (35).

6. The audio and video equipment shell processing mechanism of claim 4, characterized in that: the connecting block (31) is fixedly provided with two auxiliary plates which are symmetrically distributed, the top of the functional block (2) is fixedly provided with two limiting cylinders, T-shaped positioning rods (36) are arranged in the limiting cylinders, the top ends of the T-shaped positioning rods (36) extend out of the limiting cylinders in a sliding mode, and the top ends of the T-shaped positioning rods (36) are fixedly connected with the bottoms of the corresponding auxiliary plates.

7. The audio and video equipment shell processing mechanism of claim 1, characterized in that: the inner wall of one side of the rectangular groove (8) is provided with a sliding groove, one side of the square block (12) is fixedly provided with a stop lever (37), and one end of the stop lever (37) extends into the sliding groove and is in sliding connection with the sliding groove.

8. The audio-visual device housing processing mechanism of claim 3, wherein: a sliding rod (38) is fixedly installed in the fixed cavity (22), and the sliding rod (38) penetrates through the pressing plate (26) in a sliding mode.