CN209157214U - A kind of speaker production housing openings device - Google Patents

Abstract

The utility model relates to the technical field of auxiliary devices for speaker production, in particular to a shell opening device for speaker production, which does not require manual pressing by staff for fixing, enhances safety, and enhances the stability of the speaker shell on the workbench to ensure the drilling effect; at the same time, it is convenient to deal with the dust generated in the drilling process, and reduces the labor level during cleaning; it also enhances the protection effect for the staff and improves the reliability of use; including the workbench, support frame, driver , a mounting seat and a drill bit, the bottom end of the movable rod passes through the support frame and is connected with the top end of the mounting seat, and the drill bit is arranged at the bottom end of the mounting seat; it also includes a left telescopic piece, a left clamping plate, a right telescopic piece and a right clamping plate; it also includes a limiter Position frame, placement box, front reinforcement and rear reinforcement, the bottom end of the placement box is inserted into the limit frame; it also includes a fan, a processing box, an adjustment piece, an input pipe and a suction head, the fan is arranged in the processing box, and the suction head at the drill output.

Description

A shell opening device for speaker production

technical field

The utility model relates to the technical field of auxiliary devices for the production of sound boxes, in particular to a casing opening device for the production of sound boxes.

Background technique

As we all know, the shell opening device for speaker production is an auxiliary device used for opening the speaker shell in the process of speaker production, so as to facilitate subsequent installation. It is widely used in the field of speaker production; the existing The shell opening device for speaker production includes a workbench, a supporting frame, a driver, a mounting seat and a drill bit. Below the support frame, and the bottom end of the movable rod passes through the support frame and is connected with the top end of the mounting seat, the drill bit is arranged at the bottom end of the mounting seat, and the output end of the drill bit is located directly above the workbench; when the existing shell opening device for speaker production is used Just place the speaker shell on the top of the workbench, and then control the driver to drive the drill bit on the movable rod to rotate downward, so that the drill bit contacts the speaker shell and drills. After the drilling is formed, the driver is controlled to drive the drill bit on the movable rod to rotate upwards. Make the drill bit away from the speaker shell, and then remove the finished product after opening; it is found in the use of the existing shell opening device for speaker production that the staff needs to press the speaker shell to fix it during the drilling process, while drilling During the process, the enclosure of the speaker will vibrate, resulting in limited fixation effect and limited safety during manual fixation; and the dust generated during the drilling process will be scattered around, which is troublesome for subsequent cleaning; and the scattered dust is easily removed by the staff. Inhaled into the body, so it is easy to cause damage to the respiratory tract of the staff, and the reliability of use is limited.

Utility model content

In order to solve the above-mentioned technical problems, the utility model provides a method that does not require manual pressing by the staff to fix, enhances the safety, and can enhance the stability of the speaker shell on the workbench to ensure the drilling effect; The generated dust is treated, and the labor level during cleaning is reduced; and the protection effect for the staff is enhanced, and the shell opening device for speaker production is improved.

The utility model relates to a shell opening device for speaker production, which comprises a workbench, a support frame, a driver, a mounting seat and a drill bit. There is a movable rod, the mounting seat is located under the support frame, and the bottom end of the movable rod passes through the support frame and is connected with the top end of the mounting seat, and the drill bit is arranged at the bottom end of the mounting seat; it also includes a left telescopic piece, a left clamping plate, a right telescopic piece and a right telescopic piece. a clamping plate, the left telescopic piece and the right telescopic piece are respectively arranged on the left half area and the right side of the top of the workbench, and the left clamping plate and the right clamping plate are respectively arranged at the right end of the left telescopic piece and the left end of the right telescopic piece; it also includes a limiter frame, placing box, front reinforcement and rear reinforcement, the limit frame is arranged at the top of the workbench, the bottom end of the placement box is inserted into the limit frame, and the bottom end of the placement box is in contact with the top of the workbench, the placement box The top is provided with a placement slot, the output end of the drill bit is located just above the placement slot, the front reinforcement and the rear reinforcement are respectively arranged on the front and rear ends of the placement box, and the output ends of the front reinforcement and the rear reinforcement are located in the placement slot; It also includes a fan, a processing box, an adjustment piece, an input pipe and a suction head. The processing box is arranged on the left side of the top end of the support frame, the fan is arranged in the processing box, and an air outlet is arranged on the lower side of the left end of the processing box. The head is located at the output end of the drill bit, the input pipe is arranged on the output end of the suction head, and the output end of the input pipe passes through the support frame and communicates with the upper side of the right end of the processing box, and the adjusting member is arranged in the left half area of the inner top wall of the support frame and the output end of the regulating element is connected to the input pipe.

The utility model relates to a casing opening device for speaker production. The left telescopic piece includes a left bracket, a left telescopic motor and a left connecting rod, and the right telescopic piece includes a right bracket, a right telescopic motor and a right connecting rod. The motor is arranged on the left bracket, and a left drive shaft is arranged on the right output end of the left telescopic motor. The motor is arranged on the right bracket, and a right drive shaft is arranged on the left output end of the right telescopic motor.

The utility model relates to a shell opening device for producing a sound box. The front reinforcement includes two sets of front screws, a front spring group and a front clamp, and the rear reinforcement includes two sets of rear screws, a rear spring and a rear clamp. The two groups of front screws are respectively screwed to the left half area and the right half area of the front end of the placing box, the front spring group is arranged on the inner front side wall of the placing box, the front clamping plate is arranged on the rear end of the front spring group, and the two groups of front The rear end of the screw rod is in contact with the left half area and the right half area of the front end of the front card plate respectively, the two groups of rear screws are screwed to the left half area and the right half area of the rear end of the placing box respectively, and the rear spring group is arranged in the rear end of the placing box. On the side wall, the rear clamping plate is arranged at the front end of the rear spring group, and the front ends of the two groups of rear screw rods are respectively in contact with the left half area and the right half area of the rear end of the rear clamping plate.

The utility model relates to a shell opening device for producing a sound box. The processing box comprises a box body, a left support plate, a right support plate, a holding box and a filter plate. A placement cavity is arranged inside the box body, and a front end of the box body is provided with a box body. The installation port is provided with a box door, the left support plate and the right support plate are respectively arranged on the upper half area of the left side wall and the upper half area of the inner right side wall in the box body, and the storage box is placed on the left support plate. and the top of the right support plate, and the outer side wall of the holding box is in contact with the inner side wall of the upper half of the box. fixed on the mouth.

The utility model relates to a casing opening device for producing a sound box. The fan includes a mounting frame, a motor and a fan blade. The mounting frame is arranged on the inner side wall of the lower half area of the working box. The motor is arranged on the mounting frame. A transmission shaft is arranged on the output end of the bottom, and the fan blades are arranged on the outer side wall of the transmission shaft.

The utility model relates to a shell opening device for producing a sound box. The adjusting member comprises an electric telescopic rod and a fixing ring, the fixing ring is sleeved on the outer side wall of the output end of the input pipe, and the electric telescopic rod is arranged on the inner top wall of the support frame. On the left half area, and the bottom output end of the electric telescopic rod is connected with the top end of the fixing ring.

The utility model discloses a casing opening device for producing a sound box, further comprising two groups of front handles and two groups of rear handles, the two groups of front handles and two groups of rear handles are respectively arranged on the front ends of the two groups of front screws and the two groups of rear screws rear end.

The utility model discloses a casing opening device for speaker production, further comprising four sets of upper anti-skid plates and lower anti-skid plates. The lower anti-skid plate is arranged on the inner bottom wall of the storage box, and the bottom ends of the front and rear card plates are in contact with the side surface of the lower anti-skid plate.

The utility model relates to a shell opening device for the production of a loudspeaker, further comprising a mesh plate, and the mesh plate is arranged on the air outlet.

Compared with the prior art, the beneficial effect of the present invention is that it can drive the left clamping plate and the right clamping plate to move respectively by controlling the left telescopic piece and the right telescopic piece, so that the left clamping plate and the right clamping plate are placed in the storage box. The inner speaker shell is clamped and fixed, so that it is not necessary for the staff to manually press and fix it, which enhances the safety, and also enhances the stability of the speaker shell on the workbench to ensure the drilling effect. The dust is stored, and by removing the placement box from the workbench, it is convenient to clean the dust left in the placement slot in and out, so as to reduce the labor level during cleaning; and the air around the drill bit can be drawn out through the suction head through the fan At the same time, the dust in the extracted air is processed through the processing box, so as to facilitate the processing of the dust generated during the drilling process, and enhance the protection of the staff and improve the reliability of use.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is the structural schematic diagram between the processing box and the fan;

Fig. 3 is the structural representation of placing box and front reinforcement and rear reinforcement;

Fig. 4 is the partial enlarged view of A part of Fig. 1;

Symbols in the drawings: 1. Workbench; 2. Supporting frame; 3. Driver; 4. Mounting seat; 5. Drill bit; 6. Left clamping plate; 7. Right telescopic piece; ; 10, processing box; 11, input pipe; 12, suction head; 13, left bracket; 14, left connecting rod; 15, right telescopic motor; 16, left drive shaft; 17, front screw; 18, front clamp; 19. Rear spring group; 20. Box body; 21. Left support plate; 22. Storage box; 23. Filter plate; 24. Mounting frame; 25. Electric motor; 26. Fan blade; 27. Electric telescopic rod; 28. Fixing ring; 29, rear handle; 30, upper skid plate; 31, lower skid plate; 32, mesh plate.

Detailed ways

The specific embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

As shown in FIGS. 1 to 4 , a casing opening device for speaker production of the present invention includes a workbench 1 , a support frame 2 , a driver 3 , a mounting seat 4 and a drill bit 5 , and the support frame 2 is arranged on the workbench 1 . At the top, the driver 3 is arranged at the top of the support frame 2, the bottom output end of the driver 3 is provided with a movable rod, the mounting seat 4 is located under the support frame 2, and the bottom end of the movable rod passes through the support frame 2 and is connected with the top of the mounting seat 4, The drill bit 5 is arranged at the bottom end of the mounting base 4; it also includes a left telescopic piece, a left clamping plate 6, a right telescopic piece 7 and a right clamping plate. On the side, the left clamping plate 6 and the right clamping plate are respectively arranged on the right end of the left telescopic piece and the left end of the right telescopic piece 7; it also includes a limit frame 8, a placing box 9, a front reinforcement and a rear reinforcement, and the limit frame 8 is set at the At the top of the workbench 1, the bottom end of the placement box 9 is inserted into the limit frame 8, and the bottom end of the placement box 9 is in contact with the top of the workbench 1, the top of the placement box 9 is provided with a placement slot, and the output end of the drill bit 5 is located directly above the placement slot, The front reinforcement and the rear reinforcement are respectively arranged on the front and rear ends of the placement box 9, and the output ends of the front reinforcement and the rear reinforcement are located in the placement slot; it also includes a fan, a processing box 10, an adjustment piece, an input pipe 11 and a suction pipe. The head 12, the processing box 10 is arranged on the left side of the top end of the support frame 2, the fan is arranged in the processing box 10, and an air outlet is arranged on the lower side of the left end of the processing box 10, the suction head 12 is located at the output end of the drill bit 5, and the input pipe 11 is arranged On the output end of the suction head 12, and the output end of the input pipe 11 passes through the support frame 2 and communicates with the upper side of the right end of the processing box 10, the adjustment member is arranged on the left half area of the inner top wall of the support frame 2, and the output end of the adjustment member It is connected to the input pipe 11; it can drive the left and right clamps to move by controlling the left and right telescopic parts, so that the left and right clamps clamp and fix the speaker shell placed in the placement box. , so that it is not necessary for the staff to manually press for fixing, which enhances safety, and also enhances the stability of the speaker shell on the workbench to ensure the drilling effect; The box is removed from the workbench, so as to facilitate the cleaning of the dust left in the placing tank, so as to reduce the labor level during cleaning; and the air around the drill bit can be drawn out through the suction head through the fan, and the air is drawn out through the processing box. It is convenient to deal with the dust generated in the drilling process, and enhance the protection effect of the staff and improve the reliability of use.

The utility model relates to a casing opening device for producing a loudspeaker. The left telescopic element includes a left bracket 13, a left telescopic motor and a left connecting rod 14, and the right telescopic element 7 includes a right bracket, a right telescopic motor 15 and a right connecting rod. The motor is arranged on the left bracket 13, and a left drive shaft 16 is arranged on the right output end of the left telescopic motor. The right telescopic motor 15 is arranged on the right bracket, and a right driving shaft is arranged on the left output end of the right telescopic motor 15, the right connecting rod is arranged at the left end of the right driving shaft, and the right clamping plate is arranged at the left end of the right connecting rod; By controlling the left telescopic motor to drive the left drive shaft to expand and contract, so as to adjust the position of the left clamping plate, and at the same time, by controlling the right telescopic motor to drive the right drive shaft to expand and contract, so as to adjust the position of the right clamping plate.

The utility model relates to a shell opening device for producing a speaker. The front reinforcement includes two sets of front screws 17, a front spring group and a front clamp 18, and the rear reinforcement includes two sets of rear screws, a rear spring group 19 and a rear clamp. , the two groups of front screws 17 are screwed to the left half area and the right half area of the front end of the placing box 9 respectively, the front spring group is arranged on the inner front side wall of the placing box 9, the front clamping plate 18 is arranged on the rear end of the front spring group, and The rear ends of the two groups of front screws 17 are respectively in contact with the left and right half regions of the front end of the front clamping plate 18, and the two groups of rear screws are screwed to the left and right half regions of the rear end of the placing box 9 respectively, and the rear spring group 19 is provided On the inner rear side wall of the placing box 9, the rear clamping plate is arranged at the front end of the rear spring group 19, and the front ends of the two sets of rear screw rods are respectively in contact with the left half area and the right half area of the rear end of the rear clamping plate; Simultaneously rotate two sets of front screws to drive it to move back and forth, so as to adjust the position of the front clip, and simultaneously rotate two sets of rear screws to drive it to move back and forth to adjust the position of the rear clip.

The utility model relates to a casing opening device for producing a sound box. The processing box 10 includes a box body 20, a left support plate 21, a right support plate, a holding box 22 and a filter plate 23. The box body 20 is provided with a placement cavity inside. The front end of the body 20 is provided with an installation port, and a box door is provided on the installation port. The left support plate 21 and the right support plate are respectively arranged on the upper half area of the left side wall and the upper half area of the inner right side wall of the box body 20, and contain The box 22 is placed on the top of the left support plate 21 and the right support plate, and the outer side wall of the storage box 22 is in contact with the inner side wall of the upper half area of the box body 20. There is a fixed port, and the filter plate 23 is arranged on the fixed port; it can filter the dust drawn into the air through the filter plate, and at the same time collect the dust through the holding box for subsequent cleaning.

The utility model relates to a shell opening device for producing a sound box. The fan includes a mounting frame 24, a motor 25 and a fan blade 26. The mounting frame 24 is arranged on the inner side wall of the lower half area of the working box, and the motor 25 is arranged on the mounting frame 24. The bottom output end of the motor 25 is provided with a transmission shaft, and the fan blade 26 is arranged on the outer side wall of the transmission shaft; the fan blade on the transmission shaft can be driven by the motor to rotate, so as to draw the outside air into the box.

The utility model is a casing opening device for speaker production. The adjusting member includes an electric telescopic rod 27 and a fixing ring 28. The fixing ring 28 is sleeved on the outer side wall of the output end of the input pipe 11, and the electric telescopic rod 27 is arranged in the support frame 2. On the left half area of the top wall, the bottom output end of the electric telescopic rod 27 is connected to the top of the fixing ring 28; it can be extended and retracted by controlling the electric telescopic rod, so as to adjust the position of the suction head according to the needs.

A shell opening device for speaker production of the present invention further comprises two sets of front handles and two sets of rear handles 29, and the two sets of front handles and the two sets of rear handles 29 are respectively arranged on the front ends of the two sets of front screws 17 and the two sets of rear handles. The rear end of the screw; it facilitates the rotation of the front screw and the rear screw.

A casing opening device for speaker production of the present invention further comprises four sets of upper anti-skid plates 30 and lower anti-skid plates 31, and the four sets of upper anti-skid plates 30 are respectively arranged on the right end of the left clamping plate 6, the left end of the right clamping plate, and the front clamping plate. The rear end of the plate 18 and the front end of the rear card plate are on top, the lower anti-skid plate 31 is arranged on the inner bottom wall of the placing box 9, and the bottom ends of the front card plate 18 and the rear card plate are both in contact with the upper side of the lower anti-skid plate 31; it can increase friction force to enhance the fixation effect.

A shell opening device for speaker production of the present invention further comprises a mesh plate 32, which is arranged on the air outlet; it can shield the air outlet and reduce the entry of dust.

The utility model is a casing opening device for producing a loudspeaker, which only needs to place the casing of the loudspeaker on the placing box when in use, and then controls the left telescopic motor and the right telescopic motor to drive the left clamping plate and the right clamping plate to move at the same time. The left and right clamps are used to clamp and fix the left and right ends of the speaker shell, and two sets of front and rear screws are rotated simultaneously to move the front and rear clamps, so that the front and rear clamps are aligned with each other. The front and rear ends of the speaker shell are clamped and fixed. After fixing, the driver is controlled to drive the drill bit on the movable rod to rotate downward, so that the drill bit contacts the speaker shell and drills holes. After the drilling is formed, the control driver drives the drill bit on the movable rod to rotate upward. , let the drill leave the speaker shell, and then remove the finished product after opening; at the same time, during the drilling process, the falling dust can be stored by the placement box, and the placement box can be removed from the workbench, so as to It is convenient to clean the dust left in the placement tank, so as to reduce the labor level during cleaning; and the fan blade on the transmission shaft can be driven by the motor to rotate, so as to extract the air around the drill bit through the suction head, and at the same time pass the filter plate. The dust in the air is extracted for filtering treatment, so as to facilitate the treatment of the dust generated during the drilling process and enhance the protection effect for the staff. At the same time, the dust is collected through the holding box for subsequent cleaning and improves the reliability of use. .

A shell opening device for speaker production of the present invention, unless otherwise specified and restricted, the terms "set", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection , it can be a detachable connection, or an integrated connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, or it can be connected through an intermediate medium, or it can be the internal communication between two components. For those of ordinary skill, the specific meaning of the above terms in the present application can be understood according to the specific situation; and the models of the above-mentioned components are not limited, as long as they can achieve their beneficial effects, they can be implemented, and the workbench, support frame, driver , The mounting seat and the drill bit are the existing design and technology. There is no technical improvement in this case. The electric motor, the electric telescopic rod and the telescopic motor are all common equipment in the market. change its internal structure.

The above are only the preferred embodiments of the present utility model. It should be pointed out that for those skilled in the art, without departing from the technical principles of the present utility model, several improvements and modifications can be made. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims (9)

1. A shell opening device for speaker production, comprising a workbench (1), a support frame (2), a driver (3), a mounting seat (4) and a drill bit (5), and the support frame (2) is arranged on the workbench (1) Top, the driver (3) is arranged at the top of the support frame (2), the bottom output end of the driver (3) is provided with a movable rod, the mounting seat (4) is located under the support frame (2), and the bottom end of the movable rod Passing through the support frame (2) and connected with the top end of the mounting seat (4), the drill bit (5) is arranged at the bottom end of the mounting seat (4); it is characterized in that it also includes a left telescopic piece, a left clamping plate (6), a right telescopic A piece (7) and a right clamping plate, the left telescopic piece and the right telescopic piece (7) are respectively arranged on the left half area and the right side of the top of the workbench (1), and the left clamping plate (6) and the right clamping plate are respectively arranged At the right end of the left telescopic piece and the left end of the right telescopic piece (7); it also includes a limit frame (8), a placing box (9), a front reinforcement and a rear reinforcement, and the limit frame (8) is arranged on the workbench ( 1) Top, the bottom end of the placement box (9) is inserted into the limit frame (8), and the bottom end of the placement box (9) is in contact with the top of the workbench (1), and the top of the placement box (9) is provided with a placement slot , the output end of the drill bit (5) is located just above the placement slot, the front reinforcement and the rear reinforcement are respectively arranged on the front and rear ends of the placement box (9), and the output ends of the front reinforcement and the rear reinforcement are located in the placement slot. ; Also includes a fan, a processing box (10), an adjustment member, an input pipe (11) and a suction head (12), the processing box (10) is arranged on the left side of the top of the support frame (2), and the fan is arranged on the processing box ( 10), and an air outlet is arranged on the lower side of the left end of the processing box (10), the suction head (12) is located at the output end of the drill bit (5), and the input pipe (11) is arranged at the output end of the suction head (12). and the output end of the input pipe (11) passes through the support frame (2) and communicates with the upper side of the right end of the processing box (10). The output end of the piece is connected with the input pipe (11). 2. The shell opening device for producing a sound box according to claim 1, wherein the left telescopic piece comprises a left bracket (13), a left telescopic motor and a left connecting rod (14), and the right telescopic piece ( 7) Including a right bracket, a right telescopic motor (15) and a right connecting rod, the left telescopic motor is arranged on the left bracket (13), and a left drive shaft (16) is arranged on the right output end of the left telescopic motor , the left connecting rod (14) is arranged on the right end of the left drive shaft (16), the left clamping plate (6) is arranged on the right end of the left connecting rod (14), the right telescopic motor (15) is arranged on the right bracket, and A right drive shaft is disposed on the left output end of the right telescopic motor (15), the right connecting rod is disposed at the left end of the right drive shaft, and the right clamping plate is disposed at the left end of the right connecting rod. 3. The shell opening device for producing a sound box as claimed in claim 2, wherein the front reinforcement comprises two groups of front screws (17), a front spring group and a front clip (18), and the rear reinforcement The components include two sets of rear screws, a rear spring set (19) and a rear clamping plate, the two sets of front screws (17) are screwed to the left half area and the right half area of the front end of the placing box (9) respectively, and the front spring set is provided with On the inner front side wall of the placing box (9), the front clamping plate (18) is arranged at the rear end of the front spring group, and the rear ends of the two groups of front screws (17) are respectively connected with the left half area and the right half of the front end of the front clamping plate (18). Half-area contact, the two groups of rear screws are screwed to the left half area and the right half area of the rear end of the placing box (9) respectively, the rear spring group (19) is arranged on the inner rear side wall of the placing box (9), and the rear The clamping plate is arranged at the front end of the rear spring group (19), and the front ends of the two groups of rear screw rods are respectively in contact with the left half area and the right half area of the rear end of the rear clamping plate. 4. The shell opening device for producing a sound box according to claim 3, wherein the processing box (10) comprises a box body (20), a left support plate (21), a right support plate, a container The box (22) and the filter plate (23), the box body (20) is provided with a placement cavity inside, the front end of the box body (20) is provided with an installation port, and the installation port is provided with a box door, the left support plate (21) and the right support plate are respectively arranged on the upper half area of the left side wall and the upper half area of the inner right side wall of the box body (20), the holding box (22) is placed on the top of the left support plate (21) and the right support plate, and The outer side wall of the holding box (22) is in contact with the inner side wall of the upper half area of the box body (20). The filter plate (23) is arranged on the fixed port. 5. A kind of shell opening device for producing a sound box as claimed in claim 4, wherein the fan comprises a mounting frame (24), a motor (25) and a fan blade (26), and the mounting frame (24) is provided with On the inner side wall of the lower half area of the working box, the motor (25) is arranged on the mounting frame (24), the bottom output end of the motor (25) is arranged with a transmission shaft, and the fan blade (26) is arranged on the transmission shaft on the outer wall. 6 . The shell opening device for producing a sound box according to claim 5 , wherein the adjusting member comprises an electric telescopic rod (27) and a fixing ring (28), and the fixing ring (28) is sleeved on the input pipe. 7 . (11) On the outer side wall of the output end, the electric telescopic rod (27) is arranged on the left half area of the inner top wall of the support frame (2), and the bottom output end of the electric telescopic rod (27) and the top of the fixing ring (28) connect. 7. The shell opening device for producing a sound box as claimed in claim 6, further comprising two groups of front handles and two groups of rear handles (29), said two groups of front handles and two groups of rear handles (29). 29) are respectively arranged at the front ends of the two groups of front screws (17) and the rear ends of the two groups of rear screws. 8. The shell opening device for producing a sound box as claimed in claim 7, further comprising four groups of upper anti-skid plates (30) and lower anti-skid plates (31), the four groups of upper anti-skid plates (30) ) are respectively arranged on the right end of the left clamping plate (6), the left end of the right clamping plate, the rear end of the front clamping plate (18) and the front end of the rear clamping plate, and the lower anti-skid plate (31) is arranged on the inner bottom wall of the placing box (9), And both the bottom ends of the front card board (18) and the rear card board are in contact with the upper side surface of the lower anti-skid plate (31). 9 . The device for opening a casing for producing a sound box according to claim 8 , further comprising a mesh plate (32), the mesh plate (32) being arranged on the air outlet. 10 .