CN213583071U

CN213583071U - Piano shell hot press

Info

Publication number: CN213583071U
Application number: CN202022707281.8U
Authority: CN
Inventors: 何建超; 周江英
Original assignee: Zhejiang Zhujiang Dehua Piano Co ltd
Current assignee: Zhejiang Zhujiang Dehua Piano Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-06-29
Anticipated expiration: 2030-11-20

Abstract

The utility model provides a piano shell hot press, the on-line screen storage device comprises a base, fixed connection hot pressing workstation and cylinder workstation on the base, at the both sides fixed connection slide rail of hot pressing workstation, be equipped with the fixed subassembly of shell in the slide rail, hot pressing workstation is equipped with the heating bath in the one side that is close to the cylinder workstation, is equipped with heating resistor in the heating bath, has a plurality of pneumatic cylinders at the last fixed surface of cylinder workstation, and the piston rod of pneumatic cylinder adds the briquetting towards hot pressing workstation's direction setting, at the terminal fixed connection of the piston rod of pneumatic cylinder. The utility model discloses following beneficial effect has: utilize the fixed subassembly of shell and pneumatic cylinder to fix the piano shell, not only pressure is stable, has saved the trouble of artifical fixed piano shell moreover, and heating resistor produces the heat and can accelerate the solidification speed that the thermosetting is glued to the piano shell that makes the hot pressing obtain connects closely and the size is more accurate, has improved the efficiency of piano shell hot pressing.

Description

Piano shell hot press

Technical Field

The utility model relates to a piano keyboard production technical field especially relates to a piano shell hot press.

Background

The piano is a keyboard instrument in Western classical musical instruments, has the name of the king of the musical instrument, and plays beautiful sound, so that the piano is popular with many people, especially young people and many people who learn the piano, the piano can use thermosetting adhesive to fix the shell of the piano in the production process, in the assembly of the existing piano shell, the thermosetting adhesive is fixed manually in the period of solidification, or only fixed by a simple fixing clamp, the solidification time of the thermosetting adhesive is long, and the connection among the plates of the piano shell is not tight enough, so that the precision of the manufactured piano shell is not enough.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a piano shell hot press, it has solved among the prior art long, the untight technical problem of connection of piano shell thermal gel setting time.

The utility model solves the technical problems by the following technical proposal, a piano shell hot press comprises a base, a hot press workbench and a cylinder workbench are fixedly connected on the base, slide rails are fixedly connected on both sides of the hot press workbench, a shell fixing component is arranged in the slide rails, the shell fixing component comprises a roller, a roller shaft, a roller frame, a fixing frame and a limiting plate, the roller is embedded in the track of the slide rails, the roller shaft is vertically arranged in the middle of the roller, the roller frame is fixedly connected with the roller shaft, the fixing frame is vertically arranged on the roller frame, the limiting plate is fixedly connected with the fixing frame and is arranged above the hot press workbench, a through hole is arranged on the roller frame, a fixing bolt is arranged in the through hole, a fixing threaded hole is arranged on the side surface of the slide rails, a heating groove is arranged on one side of the hot press workbench close to the cylinder workbench, a heating resistor is arranged in the heating groove, and a plurality, the piston rod of the hydraulic cylinder is arranged towards the direction of the hot-pressing workbench, and the tail end of the piston rod of the hydraulic cylinder is fixedly connected with a pressurizing block.

Through adopting above-mentioned technical scheme, to the piano shell that needs the hot pressing, can place it on the hot pressing workstation, utilize the gyro wheel to roll in the slide rail, it removes to drive mount and limiting plate simultaneously, the limiting plate can promote the fixed subassembly of shell and make the piano shell remove to suitable position, fix in the fixed screw hole of fixing bolt screw in this moment, afterwards drive by the piston rod of pneumatic cylinder again and add the briquetting and apply pressure to it from another direction of piano shell, the heating resistor circular telegram in the heating bath generates heat, accelerate the solidification speed that the thermosetting was glued, thereby make the piano shell that the hot pressing obtained connect closely and the size is more accurate.

Preferably, the pressurization piece divide into fixed casing and pressurization casing, fixed casing includes the PMKD with pneumatic cylinder piston rod fixed connection and the fixed curb plate that sets up perpendicularly with the PMKD, the pressurization casing includes the pressurization bottom plate and the pressurization curb plate that sets up perpendicularly with the pressurization bottom plate, the pressurization curb plate overlaps outside the fixed curb plate, the opening opposite direction of fixed casing and pressurization casing, be equipped with the elastic component between PMKD and pressurization bottom plate, two conducting strips of fixed connection one on the inside wall of PMKD, fixedly connected with heating resistor silk on the inside wall of pressurization bottom plate, the both ends of heating resistor silk link there is conducting strip two, conducting strip one and conducting strip two set up relatively, conducting strip one connects external power source through the wire.

Through adopting above-mentioned technical scheme, when adding the briquetting and pressing the piano shell, the pressurization casing can compress the elastic component, fixed casing and the distance between the two of pressurization casing reduce this moment, two conducting strips at heating resistor silk both ends can form the route with conducting strip one-tenth connection, because conducting strip one passes through the wire and connects external power source, the heating resistor silk circular telegram generates heat this moment, and the heat can be through on pressurization bottom plate conduction to the piano shell, further improve the temperature of piano shell junction, make the even promotion of whole thermosetting gluey temperature of piano shell junction, thereby accelerate the solidification rate that whole thermosetting glued, improve the joint strength of piano shell junction.

Preferably, a rotating roller groove is formed in the hot-pressing workbench, the direction of the rotating roller groove is parallel to the direction of the sliding rail, and a rotating roller is rotatably connected in the rotating roller groove.

Through adopting above-mentioned technical scheme, the piano shell accessible live-rollers reduces the resistance when removing, both can not cause the damage to the piano shell, makes the workman promote the piano shell lighter simultaneously.

Preferably, the upper surface of hot pressing workstation is opened there is the detection groove, is equipped with shell detection subassembly in detecting the groove, and shell detection subassembly is equipped with the detection elastic component including detecting the casing between the bottom surface that detects the casing and detect the groove, is detecting the inside vertical insulator spindle of fixedly connected with of casing, detects the conducting block at the bottom fixed connection of insulator spindle, is equipped with heating resistor control switch, heating resistor control switch and heating resistor electric connection in the bottom that detects the groove.

Through adopting above-mentioned technical scheme, when the piano shell promoted to push down shell detection subassembly, it detected the casing and compressed down and detect the elastic component for the insulator spindle sinks, detects the conducting block and inserts the circuit that makes heating resistor in the heating resistor control switch and form the route, and heating resistor just can generate heat when having the piano shell on the hot pressing workstation, can the energy saving.

Preferably, the heating resistor has a spiral shape.

By adopting the technical scheme, the spiral heating resistor generates heat most in a limited space, and the solidification speed of the thermosetting adhesive can be effectively accelerated.

Preferably, the limiting plate is fixedly connected with a flexible pad.

Through adopting above-mentioned technical scheme, the flexible pad contacts with the piano shell, prevents that the limiting plate from producing the mar on the piano shell.

Compared with the prior art, the utility model discloses following beneficial effect has: utilize the fixed subassembly of shell and pneumatic cylinder to fix the piano shell, not only pressure is stable, has saved the trouble of artifical fixed piano shell moreover, and heating resistor produces the heat and can accelerate the solidification speed that the thermosetting is glued to the piano shell that makes the hot pressing obtain connects closely and the size is more accurate, has improved the efficiency of piano shell hot pressing.

Drawings

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

Fig. 2 is a schematic view of the overall structure at another viewing angle according to the embodiment of the present invention.

Fig. 3 is a schematic cross-sectional structure view of a joint of the housing fixing component and the slide rail according to the embodiment of the present invention.

Fig. 4 is a schematic perspective view of the housing fixing component according to the embodiment of the present invention.

Fig. 5 is a schematic view of an internal structure of the pressurizing block according to the embodiment of the present invention.

Fig. 6 is a schematic structural diagram of the housing detection assembly according to the embodiment of the present invention.

In the above drawings, 1, a base; 2. hot pressing work bench; 3. a cylinder table; 4. a slide rail; 5. a housing securing assembly; 51. a roller; 52. a roller shaft; 53. a roller frame; 54. a fixed mount; 55. a limiting plate; 56. fixing the bolt; 57. a through hole; 41. fixing the threaded hole; 6. a heating tank; 7. a heating resistor; 8. a hydraulic cylinder; 9. pressing a block; 91. a stationary housing; 92. a pressurized housing; 911. fixing the bottom plate; 912. fixing the side plate; 921. a pressurized base plate; 922. a pressure side plate; 93. an elastic member; 94. a first conducting plate; 95. a heating resistance wire; 96. a second conducting plate; 21. rotating the roller groove; 22. a rotating roller; 23. a detection tank; 10. a housing detection assembly; 101. detecting the shell; 102. detecting the elastic piece; 103. an insulating rod; 104. detecting the conductive block; 71. a heating resistance control switch; 11. a flexible mat.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1, 2, 3 and 4, a piano shell hot press comprises a base 1, a hot press workbench 2 and a cylinder workbench 3 fixedly connected to the base 1, slide rails 4 fixedly connected to both sides of the hot press workbench 2, a shell fixing assembly 5 disposed in the slide rails 4, the shell fixing assembly 5 comprising rollers 51, roller shafts 52, roller frames 53, a fixing frame 54 and a limit plate 55, the rollers 51 embedded in the rails of the slide rails 4, the roller shafts 52 vertically disposed in the middle of the rollers 51, the roller frames 53 fixedly connected to the roller shafts 52, the fixing frame 54 vertically disposed on the roller frames 53, the limit plate 55 fixedly connected to the fixing frame 54 and disposed above the hot press workbench 2, through holes 57 formed on the roller frames 53, fixing bolts 56 disposed in the through holes 57, fixing threaded holes 41 formed on the side surfaces of the slide rails 4, a heating groove 6 formed on one side of the hot press workbench 2 close to the cylinder workbench 3, the heating groove 6 is internally provided with a heating resistor 7, the heating resistor 7 is spiral, the spiral heating resistor 7 generates heat most in a limited space and can effectively accelerate the solidification speed of thermosetting adhesive, the upper surface of the cylinder workbench 3 is fixedly provided with three hydraulic cylinders 8, piston rods of the hydraulic cylinders 8 are arranged towards the direction of the hot-pressing workbench 2, the tail ends of the piston rods of the hydraulic cylinders 8 are fixedly connected with a pressurizing block 9, a piano shell needing hot pressing can be placed on the hot-pressing workbench 2 and can roll in the sliding rail 4 by utilizing the rollers 51, meanwhile, the fixing frame 54 and the limiting plate 55 are driven to move, the limiting plate 55 can push the shell fixing component 5 to move the piano shell to a proper position, at the moment, the fixing bolt 56 is screwed into the fixing threaded hole 41 for fixing, and then the piston rods of the hydraulic cylinders 8 drive the pressurizing block 9 to apply pressure to the piano shell from the other direction, the heating resistors 7 in the heating grooves 6 are electrified to generate heat, so that the solidification speed of thermosetting adhesive is increased, and the piano shell obtained by hot pressing is connected tightly and has more accurate size.

As shown in fig. 5, the pressing block 9 is divided into a fixed casing 91 and a pressing casing 92, the fixed casing 91 includes a fixed bottom plate 911 fixedly connected to the piston rod of the hydraulic cylinder 8 and a fixed side plate 912 vertically arranged to the fixed bottom plate 911, the pressing casing 92 includes a pressing bottom plate 921 and a pressing side plate 922 vertically arranged to the pressing bottom plate 921, the pressing side plate 922 is sleeved outside the fixed side plate 912, the opening directions of the fixed casing 91 and the pressing casing 92 are opposite, an elastic member 93 is arranged between the fixed bottom plate 911 and the pressing bottom plate 921, the elastic member 93 is a spring, two conductive sheets one 94 are fixedly connected to the inner side wall of the fixed bottom plate 911, a heating resistor wire 95 is fixedly connected to the inner side wall of the pressing bottom plate 921, two conductive sheets 96 are connected to both ends of the heating resistor 95, the conductive sheets one 94 and the conductive sheets two 96 are oppositely arranged, the conductive sheets one 94 is connected to an external, pressurization casing 92 can compress elastic component 93, fixed casing 91 and the distance between the two of pressurization casing 92 reduce this moment, two 96 of conducting strips at heating resistor wire 95 both ends can be connected with a conducting strip 94 and form the route, because a conducting strip 94 passes through the wire and connects external power source, heating resistor wire 95 circular telegram generates heat this moment, and the heat can be conducted to the piano shell through pressurization bottom plate 921, further improve the temperature of piano shell junction, make the even promotion of whole thermosetting glue temperature of piano shell junction, thereby accelerate the solidification rate of whole thermosetting glue, improve the joint strength of piano shell junction.

As shown in fig. 2, a rotating roller slot 21 is formed in the hot pressing workbench 2, the direction of the rotating roller slot 21 is parallel to the direction of the slide rail 4, a rotating roller 22 is rotatably connected in the rotating roller slot 21, and the piano shell can reduce resistance through the rotating roller 22 when moving, so that the piano shell cannot be damaged, and meanwhile, a worker can push the piano shell more easily.

As shown in fig. 6, the upper surface of the hot press working table 2 is provided with a detection groove 23, a housing detection assembly 10 is arranged in the detection groove 23, the housing detection assembly 10 comprises a detection shell 101, a detection elastic member 102 is arranged between the detection shell 101 and the bottom surface of the detection groove 23, the detection elastic member 102 is a spring, a vertical insulating rod 103 is fixedly connected in the detection shell 101, a detection conductive block 104 is fixedly connected at the bottom of the insulating rod 103, a heating resistor control switch 71 is arranged at the bottom of the detection groove 23, the heating resistor control switch 71 is electrically connected with a heating resistor 7, when the piano housing is pushed to press the housing detection assembly 10, the detection shell 101 compresses the detection elastic member 102 downwards to make the insulating rod 103 sink, the detection conductive block 104 is inserted into the heating resistor control switch 71 to make the circuit of the heating resistor 7 form a passage, and the heating resistor only generates heat when the piano housing is arranged on the hot press working table 2, energy can be saved.

As shown in FIG. 2, the limiting plate 55 is fixedly connected with the flexible pad 11, and the flexible pad 11 is in contact with the piano shell to prevent the limiting plate 55 from scratching the piano shell.

The utility model discloses utilize fixed subassembly 5 of shell and pneumatic cylinder 8 to fix the piano shell, not only pressure stability has saved the trouble of artifical fixed piano shell moreover, and heating resistor 7 produces the heat and can accelerate the solidification rate that the thermosetting is glued to the piano shell that makes the hot pressing obtain connects closely and the size is more accurate, has improved the efficiency of piano shell hot pressing.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a piano shell hot press, includes base (1), its characterized in that fixed connection hot pressing workstation (2) and cylinder workstation (3) on base (1) both sides fixed connection slide rail (4) of hot pressing workstation (2) be equipped with shell fixed subassembly (5) in slide rail (4), shell fixed subassembly (5) include gyro wheel (51), roller shaft (52), gyro wheel frame (53), mount (54) and limiting plate (55), gyro wheel (51) inlay in the track of slide rail (4), roller shaft (52) set up perpendicularly in the middle of gyro wheel (51), gyro wheel frame (53) with roller shaft (52) fixed connection, mount (54) vertically set up in on gyro wheel frame (53), limiting plate (55) with mount (54) fixed connection just set up in the top of hot pressing workstation (2), open on gyro wheel frame (53) has through-hole (57) be equipped with fixing bolt (56) in through-hole (57) open the side of slide rail (4) has fixed screw hole (41), hot pressing workstation (2) are being close to one side of cylinder workstation (3) is equipped with heating bath (6) be equipped with heating resistor (7) in heating bath (6) the upper surface mounting of cylinder workstation (3) has a plurality of pneumatic cylinders (8), the piston rod of pneumatic cylinder (8) towards the direction setting of hot pressing workstation (2) the terminal fixed connection of piston rod of pneumatic cylinder (8) adds briquetting (9).

2. The piano shell hot press of claim 1, wherein: the pressurizing block (9) is divided into a fixed shell (91) and a pressurizing shell (92), the fixed shell (91) comprises a fixed bottom plate (911) fixedly connected with a piston rod of the hydraulic cylinder (8) and a fixed side plate (912) vertically arranged with the fixed bottom plate (911), the pressurizing shell (92) comprises a pressurizing bottom plate (921) and a pressurizing side plate (922) vertically arranged with the pressurizing bottom plate (921), the pressurizing side plate (922) is sleeved outside the fixed side plate (912), the opening directions of the fixed shell (91) and the pressurizing shell (92) are opposite, an elastic piece (93) is arranged between the fixed bottom plate (911) and the pressurizing bottom plate (921), two conducting strips I (94) are fixedly connected on the inner side wall of the fixed bottom plate (911), and a heating resistance wire (95) is fixedly connected on the inner side wall of the pressurizing bottom plate (921), two ends of the heating resistance wire (95) are connected with second conducting strips (96), the first conducting strips (94) and the second conducting strips (96) are arranged oppositely, and the first conducting strips (94) are connected with an external power supply through wires.

3. The piano shell hot press of claim 1, wherein: a rotating roller groove (21) is formed in the hot-pressing workbench (2), the direction of the rotating roller groove (21) is parallel to the direction of the sliding rail (4), and a rotating roller (22) is rotatably connected in the rotating roller groove (21).

4. A piano shell thermocompressor as recited in claim 3, wherein: the upper surface of hot pressing workstation (2) opens there is detection groove (23) be equipped with shell detection subassembly (10) in detection groove (23), shell detection subassembly (10) are including detecting casing (101) detect casing (101) with be equipped with between the bottom surface of detecting groove (23) and detect elastic component (102) detect inside fixedly connected with vertical insulator spindle (103) of casing (101) the bottom fixed connection of insulator spindle (103) detects conducting block (104) the bottom of detecting groove (23) is equipped with heating resistor control switch (71), heating resistor control switch (71) with heating resistor (7) electric connection.

5. The piano shell hot press of claim 4, wherein: the heating resistor (7) is spiral.

6. The piano shell hot press of claim 1, wherein: the limiting plate (55) is fixedly connected with a flexible pad (11).