CN215036287U

CN215036287U - Device is repaired to voice communication device shell section

Info

Publication number: CN215036287U
Application number: CN202121291157.6U
Authority: CN
Inventors: 尹宝聪
Original assignee: Shandong Rongyueda Precision Industry Co ltd
Current assignee: Shandong Rongyueda Precision Industry Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-12-07
Anticipated expiration: 2031-06-09

Abstract

The utility model relates to the technical field of polishing devices, in particular to a device for repairing the cross section of a shell of a voice communication device, which can automatically polish the shell of the voice communication device, reduce manual operation and improve the operability and the working efficiency of the device; the rotary grinding machine comprises a workbench, a plurality of groups of supporting plates, a grinding belt, a motor base, a discharge box barrel, two groups of slide rails, a cover plate, a first bevel gear, a rotating rod, a plurality of groups of shaft seats, a second bevel gear, a third bevel gear, a fourth bevel gear, a connecting shaft, a rotary disk, an eccentric shaft, a first connecting rod, a second connecting rod, a hinged shaft and a pressing component, the terminal surface is installed under the workbench in a uniformly distributed manner through the plurality of groups of supporting plates, two groups of supporting plates are symmetrically installed at the middle position of the upper end surface of the workbench, two groups of rotating rods are installed in the middle of the two groups of supporting plates through rotation of the bilateral symmetry of a rotating shaft, and the two groups of supporting plates are mutually connected through the grinding belt, the motor passes through the motor base fixed mounting at the upper end surface of the workbench, and the output end of the motor is fixedly connected with the rotating shaft on the rotating rod at the right part.

Description

Device is repaired to voice communication device shell section

Technical Field

The utility model relates to a grinding device's technical field especially relates to a device is repaired to pronunciation calling set shell section.

Background

The voice communication device shell comprises an upper shell and a lower shell, and production defects such as burrs are easily generated on a connecting contact surface between the upper shell and the lower shell in the production process, so that the connecting unevenness between the upper shell and the lower shell can be caused, the product percent of pass is lower, the existing voice communication device shell section is repaired and is mainly polished one by one through a manual hand-held angle grinder, but the production efficiency of the mode is low, and the production requirement is difficult to meet.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can automatic polishing of voice call device shell, reduce manual operation, improve the operability and the work efficiency of device a voice call device shell section repair device.

The utility model relates to a device for repairing the cross section of the shell of a voice communicator, which comprises a workbench, a plurality of groups of struts, two groups of supporting plates, a polishing belt, a motor seat, a discharging box cylinder, two groups of slide rails, a cover plate, a first bevel gear, a rotating rod, a plurality of groups of shaft seats, a second bevel gear, a third bevel gear, a fourth bevel gear, a connecting shaft, a rotating disk, an eccentric shaft, a first connecting rod, a second connecting rod, a hinging shaft and a pressing component, wherein the plurality of groups of struts are uniformly distributed and arranged on the lower end surface of the workbench, the two groups of supporting plates are symmetrically arranged in the middle of the upper end surface of the workbench, the two groups of rotating rods are symmetrically and rotatably arranged between the two groups of supporting plates through the rotating shaft in a left-right symmetry way, the two groups of supporting plates are mutually connected through the polishing belt, the motor is fixedly arranged on the upper end surface of the workbench, the output end surface of the motor is fixedly connected with the rotating shaft on the right rotating rod, the discharging box cylinder is fixedly arranged on the two groups of supporting plates, the compressing assembly is arranged on the left end face of the discharging box barrel, the lower part of the right end face of the discharging box barrel is communicated with a discharging port, two groups of sliding rails are symmetrically arranged on the right end face of the discharging box barrel front and back, the cover plate is slidably arranged between the two groups of sliding rails, the discharging port can be covered by the cover plate, a first bevel gear is fixedly connected with a rotating shaft on a right rotating rod, the rotating rod is rotatably arranged on the upper end face of a workbench through a plurality of groups of shaft seats, a second bevel gear is fixedly connected with the right end of the rotating rod, the first bevel gear is mutually meshed with the second bevel gear, the third bevel gear is fixedly connected with the left end of the rotating rod, the fourth bevel gear is rotatably arranged on a supporting plate through a connecting shaft and is mutually meshed with the third bevel gear, the rotating disk is fixedly connected with the front end face of the connecting shaft, an eccentric shaft is arranged on the rotating disk, the lower end of the first connecting rod is rotatably connected with the eccentric shaft, the left part of the second connecting rod is provided with a hinge hole, and the front end face of the discharging box barrel is provided with a hinge column, the second connecting rod passes through the hinge hole and is connected with the rotation of hinge post, and first connecting rod upper end is connected with the rotation of second connecting rod left end, and the second connecting rod right part is equipped with the spout, and articulated shaft fixed mounting is on the apron to articulated shaft and spout sliding connection.

The utility model discloses a device is repaired to pronunciation calling equipment shell section, it includes the traveller to compress tightly the subassembly, a fixed base, the roof, the sliding sleeve, the baffle, a spring, clamp plate and special-shaped connecting rod, the traveller passes through fixing base fixed mounting at blowing case section of thick bamboo left end face, roof fixed mounting is at the traveller up end, sliding sleeve slip suit is on the traveller, baffle fixed mounting is at the upper end of traveller, the spring suit is on the traveller, and the spring is in the middle of roof and baffle, the clamp plate passes through special-shaped connecting rod fixed mounting on the traveller, the clamp plate can get into to inside the blowing case section of thick bamboo, blowing case section of thick bamboo left end face is equipped with the spacing groove, special-shaped connecting rod can with spacing groove sliding connection.

The utility model discloses a device is repaired to pronunciation calling set shell section, still include the dust removal subassembly, the dust removal subassembly includes the suction hopper, the suction pump, even pipe, the dust storage box, multiunit connecting seat and multiunit filter layer otter board, blowing case section of thick bamboo left end face lower part intercommunication is equipped with the dust removal mouth, the fixed lid dress of dust absorption fill is on the dust removal mouth, suction pump fixed mounting is in the workstation up end, suction pump input and dust absorption fill intercommunication, the dust storage box passes through multiunit connecting seat fixed mounting terminal surface under the workstation, the suction pump output is through even pipe and dust storage box intercommunication, the other end intercommunication of dust storage box is equipped with the air outlet, multiunit filter layer otter board fixed mounting is inside the dust storage box.

The utility model discloses a device is repaired to voice call device shell section still includes the blowing groove, gathers materials case and handle, and the workstation right part is equipped with the blowing groove, gathers materials the case and places inside the blowing groove, gathers materials the inside bottom of case and is equipped with the buffering cotton, gathers materials the case around both sides all be equipped with the handle.

The utility model discloses a device is repaired to voice communication device shell section still includes multiunit base block, and multiunit base block fixed mounting is at multiunit pillar lower extreme respectively to the junction of base block and pillar is equipped with the multiunit strengthening rib.

The utility model discloses a device is repaired to voice communication device shell section still includes the guard box, and guard box fixed mounting is in the backup pad to second bevel gear is in inside the guard box with first bevel gear.

Compared with the prior art, the beneficial effects of the utility model are that: the motor drives the rotating rod to rotate through the rotating shaft, so that the polishing belt rotates and polishes, the rotating rod drives the first bevel gear to rotate while rotating, and the rotating disc is rotated under the mutual connection action of the second bevel gear, the rotating rod, the third bevel gear, the fourth bevel gear and the connecting shaft, and the cover plate can reciprocate up and down under the mutual matching use of the eccentric shaft, the first connecting rod, the second connecting rod and the hinge shaft, when the cover plate blocks the discharge hole, the casing of the voice communication device at the bottommost part of the discharge box barrel is polished, when the cover plate rises above the discharge hole, the casing of the voice communication device at the bottommost part is conveyed out along with the rotation of the grinding belt, then the apron descends, and the next pronunciation calling set shell is polished again to analogize, has realized automatic polishing, improves the operability and the work efficiency of device.

Drawings

Fig. 1 is a schematic view of a first axial view and a partial cross-sectional structure of the present invention;

fig. 2 is a schematic diagram of a second axial measurement structure of the present invention;

FIG. 3 is a partially enlarged view of portion A of FIG. 1;

FIG. 4 is a schematic diagram of a partial top enlarged structure of the connection of a third bevel gear and a fourth bevel gear;

in the drawings, the reference numbers: 1. a work table; 2. a pillar; 3. a support plate; 4. polishing the belt; 5. a motor; 6. a motor base; 7. a discharge box cylinder; 8. a slide rail; 9. a cover plate; 10. a first bevel gear; 11. a rotating rod; 12. a shaft seat; 13. a second bevel gear; 14. a third bevel gear; 15. a fourth bevel gear; 16. a connecting shaft; 17. a turntable; 18. an eccentric shaft; 19. a first link; 20. a second link; 21. hinging a shaft; 22. a traveler; 23. a fixed seat; 24. a top plate; 25. a sliding sleeve; 26. a baffle plate; 27. a spring; 28. pressing a plate; 29. a special-shaped connecting rod; 30. a dust suction hopper; 31. a suction pump; 32. connecting pipes; 33. a dust storage box; 34. a connecting seat; 35. a filter layer screen plate; 36. a discharging groove; 37. a material collecting box; 38. a handle; 39. a base block; 40. a protective box.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the device for repairing a cross section of a casing of a voice communicator comprises a workbench 1, a plurality of sets of supporting rods 2, two sets of supporting plates 3, a polishing belt 4, a motor 5, a motor base 6, a discharging box barrel 7, two sets of sliding rails 8, a cover plate 9, a first bevel gear 10, a rotating rod 11, a plurality of sets of shaft seats 12, a second bevel gear 13, a third bevel gear 14, a fourth bevel gear 15, a connecting shaft 16, a rotating disk 17, an eccentric shaft 18, a first connecting rod 19, a second connecting rod 20, a hinge shaft 21 and a pressing component, wherein the plurality of sets of supporting rods 2 are uniformly distributed and arranged on the lower end surface of the workbench 1, the two sets of supporting plates 3 are symmetrically arranged in the middle of the upper end surface of the workbench 1, the two sets of rotating rods are symmetrically arranged in the middle of the two sets of supporting plates 3 through the rotating shaft in a left-right symmetry manner, the two sets of supporting plates 3 are connected with each other through the polishing belt 4, the motor 5 is fixedly arranged on the upper end surface of the workbench 1 through the motor base 6, the output end of the motor 5 is fixedly connected with a rotating shaft on a right rotating rod, a discharging box barrel 7 is fixedly arranged on the upper end surfaces of two groups of supporting plates 3, a compacting component is arranged on the left end surface of the discharging box barrel 7, the lower part of the right end surface of the discharging box barrel 7 is communicated with a discharging port, two groups of sliding rails 8 are symmetrically arranged on the right end surface of the discharging box barrel 7 in a front-back manner, a cover plate 9 is slidably arranged between the two groups of sliding rails 8, the discharging port can be covered by the cover plate 9, a first bevel gear 10 is fixedly connected with the rotating shaft on the right rotating rod, a rotating rod 11 is rotatably arranged on the upper end surface of the workbench 1 through a plurality of groups of shaft seats 12, a second bevel gear 13 is fixedly connected with the right end of the rotating rod 11, the first bevel gear 10 is mutually meshed with the second bevel gear 13, a third bevel gear 14 is fixedly connected with the left end of the rotating rod 11, a fourth bevel gear 15 is rotatably arranged on the supporting plates 3 through a connecting shaft 16, and the fourth bevel gear 15 is mutually meshed with the third bevel gear 14, the rotary table 17 is fixedly connected with the front end face of the connecting shaft 16, an eccentric shaft 18 is arranged on the rotary table 17, the lower end of a first connecting rod 19 is rotatably connected with the eccentric shaft 18, a hinge hole is formed in the left part of a second connecting rod 20, a hinge column is arranged on the front end face of the discharging box barrel 7, the second connecting rod 20 is rotatably connected with the hinge column through the hinge hole, the upper end of the first connecting rod 19 is rotatably connected with the left end of the second connecting rod 20, a sliding groove is formed in the right part of the second connecting rod 20, a hinge shaft 21 is fixedly arranged on the cover plate 9, and the hinge shaft 21 is slidably connected with the sliding groove; the motor 5 drives the rotating rod to rotate through the rotating shaft, so that the grinding belt 4 rotates and is ground, the rotating rod drives the first bevel gear 10 to rotate while rotating, the rotary disk 17 rotates under the mutual connection effect of the second bevel gear 13, the rotating rod 11, the third bevel gear 14, the fourth bevel gear 15 and the connecting shaft 16, the cover plate 9 can reciprocate up and down under the mutual cooperation of the eccentric shaft 18, the first connecting rod 19, the second connecting rod 20 and the hinge shaft 21, when the cover plate 9 blocks the discharge hole, the voice communicator shell at the bottommost part of the discharge box barrel 7 is ground, when the cover plate 9 rises to the position above the discharge hole, the voice communicator shell at the bottommost part is conveyed out along with the rotation of the grinding belt 4, then the cover plate 9 descends, the next voice communicator shell is ground again, and so on, automatic grinding is realized, the operability and the work efficiency of the device are improved.

The utility model discloses a device is repaired to voice call device shell section, it includes traveller 22 to compress tightly the subassembly, fixing base 23, roof 24, sliding sleeve 25, baffle 26, spring 27, clamp plate 28 and special-shaped connecting rod 29, traveller 22 passes through fixing base 23 fixed mounting at blowing case section of thick bamboo 7 left end face, roof 24 fixed mounting is at traveller 22 up end, sliding sleeve 25 slip suit is on traveller 22, baffle 26 fixed mounting is at sliding sleeve 25 up end, spring 27 suit is on traveller 22, and spring 27 is in the middle of roof 24 and baffle 26, clamp plate 28 passes through special-shaped connecting rod 29 fixed mounting on sliding sleeve 25, clamp plate 28 can get into to inside blowing case section of thick bamboo 7, blowing case section of thick bamboo 7 left end face is equipped with the spacing groove, special-shaped connecting rod 29 can with spacing groove sliding connection; through setting up spring 27, under baffle 26, sliding sleeve 25 and special-shaped connecting rod 29's mutually supporting effect, can make clamp plate 28 compress tightly multiunit voice call device shell spare, increase the pressure of polishing between area 4 and the voice call device shell spare to can improve the effect of polishing of device.

The utility model discloses a device is repaired to voice call device shell section, still include the dust removal subassembly, the dust removal subassembly includes dust hopper 30, suction pump 31, connecting pipe 32, dust storage box 33, multiunit connecting seat 34 and multiunit filter layer otter board 35, blowing case 7 left end face lower part intercommunication is equipped with the dust removal mouth, dust hopper 30 is fixed to be covered on the dust removal mouth, suction pump 31 is fixed to be installed on workstation 1 up end, suction pump 31 input communicates with dust hopper 30, dust storage box 33 passes through multiunit connecting seat 34 fixed mounting at workstation 1 lower extreme face, suction pump 31 output communicates with dust storage box 33 through connecting pipe 32, the other end intercommunication of dust storage box 33 is equipped with the air outlet, multiunit filter layer otter board 35 fixed mounting is inside dust storage box 33; through setting up dust absorption fill 30, under the cooperation of suction pump 31 is used, can adsorb the produced dust of polishing to under the effect of connecting pipe 32, can carry the dust to the dust storage box 33 inside, carry out the separation to the dust through filter layer otter board 35, make the dust stay inside dust storage box 33, reduce the condition that the dust scatters, improve the use feature of environmental protection nature of device.

The utility model discloses a device is repaired to voice call device shell section still includes blowing groove 36, collection workbin 37 and handle 38, and workstation 1 right part is equipped with blowing groove 36, and collection workbin 37 places in blowing groove 36, and collection workbin 37 inside bottom is equipped with the buffering cotton, and collection workbin 37 front and back both sides all are equipped with handle 38; through setting up the case 37 that gathers materials, can concentrate the collection to the voice call device shell spare of polishing the completion to through setting up the buffering cotton, reduce the collision damage of voice call device shell, improve the operability of device.

The utility model discloses a device for repairing the cross section of the shell of a voice communication device, which also comprises a plurality of groups of base blocks 39, wherein the plurality of groups of base blocks 39 are respectively and fixedly arranged at the lower ends of a plurality of groups of pillars 2, and a plurality of groups of reinforcing ribs are arranged at the joints of the base blocks 39 and the pillars 2; by arranging the reinforcing ribs, the connection strength between the base block 39 and the strut 2 can be increased, and the working strength and stability of the device are improved.

The utility model discloses a device for repairing the cross section of the shell of a voice communication device, which also comprises a protective box 40, wherein the protective box 40 is fixedly arranged on a supporting plate 3, and a second bevel gear 13 and a first bevel gear 10 are positioned inside the protective box 40; by arranging the protective box 40, the second bevel gear 13 and the first bevel gear 10 can be effectively protected, and the working safety of the device is improved.

The utility model discloses a device is repaired to voice communicator shell section, it is at work, at first through sliding sleeve 25, rotate clamp plate 28 to one side, then arrange multiunit voice communicator shell and place inside spring 27, make shell terminal surface department place down, then rotate special-shaped connecting rod 29 to directly over blowing case section of thick bamboo 7, make special-shaped connecting rod 29 press the voice communicator shell on the top, then start motor 5, motor 5 rotates through the pivot drive rotary rod, thereby make polishing belt 4 rotate and begin to polish, the rotary rod rotates and drives first bevel gear 10 to rotate, and under the effect of second bevel gear 13, bull stick 11, third bevel gear 14, fourth bevel gear 15 and connecting axle 16 interconnect, make rotary disk 17 rotate, and under the use of mutually supporting of eccentric shaft 18, first connecting rod 19, second connecting rod 20 and articulated shaft 21, make apron 9 carry out up-and-down reciprocating motion, when apron 9 carries out the blanking cover to the discharge gate, the pronunciation intercom device shell that is in blowing case section of thick bamboo 7 bottommost polishes, when apron 9 rises to the discharge gate top, the pronunciation intercom device shell of bottommost is carried out along with the rotation of polishing area 4, then apron 9 descends, next pronunciation intercom device shell is polished again, preceding pronunciation intercom device shell is along with the rotation of polishing area 4, drop to the collection incasement portion 37 inside, when starting motor 5, start suction pump 31, suction pump 31 will polish produced dust and inhale to the storage dust case 33 inside, the dust is intercepted by multiunit filter layer otter board 35, after all polishing, through handheld handle 38, the collection incasement portion 37 that will be equipped with pronunciation intercom device shell spare takes out can.

The utility model discloses a device is repaired to voice communication device shell section, its mounting means, connected mode or mode of setting are common mechanical type, as long as can reach all can implement of its beneficial effect.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A device for repairing the cross section of a shell of a voice communication device is characterized by comprising a workbench (1), a plurality of groups of supports (2), two groups of supporting plates (3), a polishing belt (4), a motor (5), a motor base (6), a discharging box barrel (7), two groups of slide rails (8), a cover plate (9), a first bevel gear (10), a rotating rod (11), a plurality of groups of shaft bases (12), a second bevel gear (13), a third bevel gear (14), a fourth bevel gear (15), a connecting shaft (16), a rotating disc (17), an eccentric shaft (18), a first connecting rod (19), a second connecting rod (20), a hinged shaft (21) and a pressing component, wherein the plurality of groups of supports (2) are uniformly distributed and arranged on the lower end face of the workbench (1), the two groups of supporting plates (3) are symmetrically arranged in the middle of the upper end face of the workbench (1), the two groups of rotating rods are symmetrically and rotatably arranged in the middle of the two groups of supporting plates (3) through the rotating shaft in a left-right symmetry manner, two groups of supporting plates (3) are connected with each other through a grinding belt (4), a motor (5) is fixedly arranged on the upper end surface of the workbench (1) through a motor base (6), the output end of the motor (5) is fixedly connected with a rotating shaft on a right rotating rod, a discharging box cylinder (7) is fixedly arranged on the upper end surfaces of the two groups of supporting plates (3), a pressing component is arranged on the left end surface of the discharging box cylinder (7), the lower part of the right end surface of the discharging box cylinder (7) is communicated with a discharging port, two groups of sliding rails (8) are symmetrically arranged on the front and back of the right end surface of the discharging box cylinder (7), a cover plate (9) is slidably arranged in the middle of the two groups of sliding rails (8), the cover plate (9) can cover the discharging port, a first bevel gear (10) is fixedly connected with the rotating shaft on the right rotating rod, a rotating rod (11) is rotatably arranged on the upper end surface of the workbench (1) through a plurality of groups of shaft bases (12), a second bevel gear (13) is fixedly connected with the right end of the rotating rod (11), a first bevel gear (10) is meshed with a second bevel gear (13), a third bevel gear (14) is fixedly connected with the left end of a rotating rod (11), a fourth bevel gear (15) is rotatably installed on a supporting plate (3) through a connecting shaft (16), the fourth bevel gear (15) is meshed with the third bevel gear (14), a turntable (17) is fixedly connected with the front end face of the connecting shaft (16), an eccentric shaft (18) is arranged on the turntable (17), the lower end of a first connecting rod (19) is rotatably connected with the eccentric shaft (18), the left part of a second connecting rod (20) is provided with a hinge hole, the front end face of a discharging box cylinder (7) is provided with a hinge column, the second connecting rod (20) is rotatably connected with the hinge column through the hinge hole, the upper end of the first connecting rod (19) is rotatably connected with the left end of the second connecting rod (20), the right part of the second connecting rod (20) is provided with a sliding chute, and a hinge shaft (21) is fixedly installed on a cover plate (9), and the hinge shaft (21) is slidably connected with the chute.

2. The device for repairing the section of the shell of the voice communicator according to claim 1, wherein the pressing assembly comprises a sliding column (22), a fixed seat (23), a top plate (24), a sliding sleeve (25), a baffle (26), a spring (27), a pressing plate (28) and a special-shaped connecting rod (29), the sliding column (22) is fixedly arranged on the left end surface of the discharging box cylinder (7) through the fixed seat (23), the top plate (24) is fixedly arranged on the upper end surface of the sliding column (22), the sliding sleeve (25) is slidably sleeved on the sliding column (22), the baffle (26) is fixedly arranged on the upper end surface of the sliding sleeve (25), the spring (27) is sleeved on the sliding column (22), the spring (27) is positioned between the top plate (24) and the baffle (26), the pressing plate (28) is fixedly arranged on the sliding sleeve (25) through the special-shaped connecting rod (29), and the pressing plate (28) can enter into the discharging box cylinder (7), the left end face of the discharging box cylinder (7) is provided with a limiting groove, and the special-shaped connecting rod (29) can be in sliding connection with the limiting groove.

3. The device for repairing the casing section of the voice communicator according to claim 2, further comprising a dust removing assembly, wherein the dust removing assembly comprises a dust suction hopper (30), a suction pump (31) and a connecting pipe (32), dust storage box (33), multiunit connecting seat (34) and multiunit filter layer otter board (35), blowing case section of thick bamboo (7) left end face lower part intercommunication is equipped with the dust removal mouth, dust absorption fill (30) fixed lid dress is on the dust removal mouth, suction pump (31) fixed mounting is at workstation (1) up end, suction pump (31) input and dust absorption fill (30) intercommunication, dust storage box (33) are through multiunit connecting seat (34) fixed mounting terminal surface under workstation (1), suction pump (31) output is through connecting pipe (32) and dust storage box (33) intercommunication, the other end intercommunication of dust storage box (33) is equipped with the air outlet, multiunit filter layer otter board (35) fixed mounting is inside dust storage box (33).

4. The device for repairing the section of the casing of the voice communicator according to claim 3, further comprising a material discharging groove (36), a material collecting box (37) and a handle (38), wherein the material discharging groove (36) is arranged at the right part of the workbench (1), the material collecting box (37) is placed inside the material discharging groove (36), the bottom end inside the material collecting box (37) is provided with buffering cotton, and the front side and the rear side of the material collecting box (37) are provided with the handle (38).

5. The apparatus for repairing a casing section of a voice communicator according to claim 4, further comprising a plurality of sets of base blocks (39), wherein the plurality of sets of base blocks (39) are respectively fixedly installed at lower ends of the plurality of sets of pillars (2), and a plurality of sets of reinforcing ribs are provided at a connection of the base blocks (39) and the pillars (2).

6. The apparatus for repairing a cross section of a casing of a voice communicator according to claim 5, further comprising a shield case (40), wherein the shield case (40) is fixedly installed on the support plate (3), and the second bevel gear (13) and the first bevel gear (10) are located inside the shield case (40).