Device for riveting mechanical horn shell and binding post

Abstract

The invention belongs to the technical field of mechanical horn manufacturing, and particularly relates to a mechanical horn shell and binding post riveting device which comprises a bottom plate, supporting columns, a top plate, an air cylinder, an upper die assembly and a lower die assembly. The lower die assembly comprises a lower die base plate, a lower die base plate, a lower die fixing plate, a lower rivet head, a positioning seat fixing plate, a positioning seat, a spring D, a supporting rod A, a spring A, a screw plug A, a discharging push rod, a spring B and a screw plug B. The air cylinder is adopted to drive the upper die assembly to descend, compared with an existing device adopting a hydraulic cylinder, the descending speed is higher, and the production takt is effectively accelerated. According to the elastic discharging structure composed of the discharging push rod, the spring B and the screw plug B, compared with an existing mold adopting a fixed beef tendon discharging block structure, a product can be smoothly separated through the elastic force of the spring B, the problems that a gap becomes large after riveting and discharging is difficult are effectively solved, the stability of the product is improved, and the service life is longer.

Description

Technical Field

[0001] The invention belongs to the technical field of mechanical speaker manufacturing, in particular to a device for riveting a mechanical speaker shell and a terminal. Background Art

[0002] At present, in the riveting process of mechanical speaker terminals, hydraulic punching machine + riveting positioning tooling is generally used for riveting, which has the problems of slow production cycle (about 6s / piece), difficulty in unloading after riveting, and occasional gaps at the riveted ends exceeding 0.1mm after riveting. The production cycle cannot meet the overall cycle of the production line, which is a bottleneck process in the mechanical speaker production line.

[0003] Specifically, the reason is that the hydraulic cylinder descends slowly. In addition, the existing mold uses a fixed tendon unloading block for unloading. However, the tendon unloading block is a vulnerable part and is easily broken, which will cause the gap to become larger after riveting and make unloading difficult. Summary of the invention

[0004] In view of the above problems, an object of the present invention is to provide a device for riveting a mechanical speaker housing and a terminal.

[0005] The objective of the present invention is achieved through the following technical solutions: A device for riveting a mechanical speaker housing and a terminal, comprising a bottom plate, a support, a top plate, a cylinder, an upper die assembly, and a lower die assembly; The lower die assembly includes a lower die base plate, a lower die pad, a lower die fixing plate, a lower rivet head, a positioning seat fixing plate, a positioning seat, a spring D, a support rod A, a spring A, a screw plug A, a discharge push rod, a spring B and a screw plug B; The lower mold base plate is installed on the middle part of the top surface of the bottom plate, the lower mold pad is arranged on the lower mold base plate, the lower rivet heads are provided with a plurality of them, the bottom end of each of the lower rivet heads is provided with a pressing edge portion A extending toward the outer periphery, the bottom end of each of the lower rivet heads is provided on the lower mold pad, the lower mold fixing plate is provided on the lower mold pad, and the pressing edge portion A of each of the lower rivet heads is pressed against the lower mold pad, the lower mold base plate, the lower mold pad, and the lower mold fixing plate are fixedly connected into a whole, the positioning seat fixing plate is located above the lower mold fixing plate, the positioning seat is fixedly connected to the positioning seat fixing plate, a positioning groove for positioning and placing a mechanical speaker housing is provided on the top surface of the positioning seat, the top end of each of the lower rivet heads passes through the lower mold pad, the positioning seat fixing plate, and the positioning seat in sequence, and the top end of each of the lower rivet heads extends to the inner side of the positioning groove, the outer periphery of each of the lower rivet heads is sleeved with the spring D, and each of the springs D is located between the lower mold fixing plate and the positioning seat fixing plate; The bottom of the positioning seat fixing plate is connected to the top of the support rod A, and the bottom end of the support rod A extends outward to form a limiting head A, and the lower mold pad is provided with a through hole A for accommodating the limiting head A of the support rod A, and the lower mold base plate is provided with a spring accommodating port A corresponding to the through hole A, and the spring accommodating port A is threadedly connected with a screw plug A for closing the spring accommodating port A, and the spring A is arranged in the spring accommodating port A, and the top end of the spring A abuts against the limiting head A of the support rod A, and the bottom end of the spring A abuts against the screw plug A; in the initial state, the limiting head A of the support rod A abuts against the lower side of the lower mold fixing plate under the elastic force of the spring A; The bottom end of the unloading push rod extends outward to form a limiting head B, and the lower die pad is provided with a through hole B for accommodating the limiting head B of the unloading push rod. The top end of the unloading push rod passes through the lower die fixing plate, the positioning seat fixing plate and the positioning seat in sequence, and the top end of the unloading push rod extends to the inner side of the positioning groove, and a spring accommodating port B is provided on the lower die base plate at a position corresponding to the through hole B, and a screw plug B for closing the spring accommodating port B is threadedly connected in the spring accommodating port B, and the spring B is arranged in the spring accommodating port B, and the top end of the spring B abuts against the limiting head B of the unloading push rod, and the bottom end of the spring B abuts against the screw plug B; in the initial state, the limiting head B of the unloading push rod abuts against the lower side of the lower die fixing plate under the elastic force of the spring B; The upper die assembly is located above the lower die assembly, and the upper die assembly includes a plurality of upper rivet heads, and the arrangement position of each upper rivet head corresponds to the arrangement position of each lower rivet head one by one, and each upper rivet head and each lower rivet head are used together to directly rivet the terminal provided on the mechanical speaker housing; Each of the pillars is located on the outside of the lower mold assembly, the bottom end of each of the pillars is fixedly connected to the bottom plate, the top end of each of the pillars is fixedly connected to the top plate, the top plate is located above the upper mold assembly, the outer shell of the cylinder is installed on the top plate, the power output end of the cylinder is vertically downward and connected to the upper mold assembly.

[0006] The positioning seat and the positioning seat fixing plate are fixedly connected to form an integral body having the tops of several guide columns A, and the lower mold pad, the lower mold fixing plate and the lower mold base plate are fixedly connected to form an integral body having a guide sleeve A for the bottom of each guide column A to pass through.

[0007] The upper mold assembly also includes an upper mold base plate, a cylinder connecting seat, an upper mold pad, an upper mold fixing plate A, and an upper mold fixing plate B; The cylinder connecting seat is installed on the top surface of the upper mold base plate and is used to connect with the power output end of the cylinder. The upper mold pad, upper mold fixing plate A, and upper mold fixing plate B are stacked on the lower side of the upper mold base plate from top to bottom. The upper mold base plate, upper mold pad, upper mold fixing plate A, and upper mold fixing plate B are fixedly connected to form a whole. The top end of each upper rivet head has a clamping edge portion B extending toward the periphery, and the top end of each upper rivet head is arranged on the lower side of the upper die pad. The upper die fixing plate A presses the clamping edge portion B of each upper rivet head against the bottom surface of the upper die pad, and the bottom end of each upper rivet head extends out of the upper die fixing plate A and the upper die fixing plate B in sequence.

[0008] The upper die assembly also includes a plurality of sets of pre-compression rods, springs C, and screw plugs C that are arranged in a coordinated manner; The top end of each pre-stress rod extends toward the periphery to form a limiting head C. The upper mold fixing plate A is provided with a plurality of through holes C for accommodating the limiting head C of each pre-stress rod. The limiting head C of each pre-stress rod is located in a corresponding through hole C. The bottom end of each pre-stress rod passes through the upper mold fixing plate B and is used to press the mechanical horn housing during riveting. The upper mold base plate and the upper mold pad are integrally formed with spring accommodating openings C corresponding to each through hole C. Each spring accommodating opening C is respectively threadedly connected with a screw plug C for closing the spring accommodating opening C. Each spring accommodating opening C is provided with a spring C. The bottom end of each spring C abuts against the limiting head C of a corresponding pre-stress rod, and the bottom end of each spring C abuts against the corresponding screw plug C. In the initial state, the limiting head C of each pre-stress rod abuts against the upper side of the upper mold fixing plate B under the elastic force of the corresponding spring C.

[0009] The bottom ends of a plurality of guide posts B are fixedly connected to the lower mold base plate, and the upper mold base plate is provided with a plurality of guide sleeves B for the top ends of the guide posts B to pass through.

[0010] The top ends of several upper limit rods are connected on the bottom surface of the upper mold base plate and on the outer side of the upper mold base plate, and the bottom end of each upper limit rod forms a butt joint A. Lower limit rods are respectively provided on the top surface of the lower mold base plate at positions corresponding to each upper limit rod, and the top end of each lower limit rod forms a butt joint B.

[0011] Lower limit rod fixing seats are respectively installed on the top surface of the lower mold base plate at positions corresponding to each of the upper limit rods, and a threaded rod portion is formed at the bottom end of each of the lower limit rods. The threaded rod portion of each of the lower limit rods is respectively connected to a corresponding lower limit rod fixing seat through a thread, and a fastening nut is also respectively connected to the threaded rod portion of each of the lower limit rods through a thread.

[0012] The positioning seat fixing plate is provided with a guide sleeve C for the top end of each lower rivet head to pass through.

[0013] The lower die fixing plate is provided with a guide sleeve D for the discharge push rod to pass through.

[0014] A safety grating is provided on the bottom plate and on the front side of the lower mold assembly.

[0015] The advantages and positive effects of the present invention are: 1. The present invention uses a cylinder to drive the upper mold assembly to descend, which has a faster descending speed than the existing equipment using a hydraulic cylinder, effectively speeding up the production cycle.

[0016] 2. The present invention adopts an elastic unloading structure composed of a unloading push rod, a spring B, and a screw plug B. Compared with the structure of the existing mold using a fixed tendon unloading block, the product can be smoothly removed by the elastic force of the spring B, effectively avoiding the problem of enlarged gap after riveting and difficulty in unloading, thereby improving product stability and extending service life.

[0017] 3. The present invention uses a pre-stressing structure composed of a pre-stressing rod, a spring C, and a screw plug C. The pre-stressing rods can pre-press the mechanical speaker shell to be riveted on the positioning seat. During the formal riveting, the position of the mechanical speaker shell can be effectively kept fixed and uniform, and the position of the mechanical speaker shell can be effectively avoided from being deteriorated and offset during riveting, thereby improving the product processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a three-dimensional structural schematic diagram of the lower mold assembly and the upper mold assembly of the present invention; Figure 3 It is a three-dimensional structural schematic diagram of the lower mold assembly of the present invention; Figure 4 It is a three-dimensional structural schematic diagram of the upper mold assembly of the present invention; Figure 5 It is one of the cross-sectional structural schematic diagrams of the lower mold assembly and the upper mold assembly of the present invention; Figure 6 The second schematic diagram of the cross-sectional structure of the lower mold assembly and the upper mold assembly of the present invention; Figure 7 for Figure 5 Enlarged view of point A.

[0019] In the figure: 1 is a bottom plate, 2 is a support, 3 is a top plate, 4 is a cylinder, 5 is a lower die base plate, 6 is a lower die pad, 7 is a lower die fixing plate, 8 is a lower rivet head, 9 is a positioning seat fixing plate, 10 is a positioning seat, 1001 is a positioning groove, 11 is a spring D, 12 is a support rod A, 13 is a spring A, 14 is a screw plug A, 15 is a discharge push rod, 16 is a spring B, 17 is a screw plug B, 18 is an upper rivet head, 19 is a guide column A, 20 is a guide To sleeve A, 21 is upper die base plate, 22 is cylinder connection seat, 23 is upper die pad, 24 is upper die fixing plate A, 25 is upper die fixing plate B, 26 is preload rod, 27 is spring C, 28 is screw plug C, 29 is guide column B, 30 is guide sleeve B, 31 is upper limit rod, 32 is lower limit rod, 33 is lower limit rod fixing seat, 34 is fastening nut, 35 is guide sleeve C, 36 is guide sleeve D, 37 is safety grating; 001 is the mechanical speaker housing and 002 is the terminal. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-7 The present invention is further described in detail.

[0021] A device for riveting a mechanical speaker housing and a terminal, such as Figure 1-7 As shown, this embodiment includes a base plate 1, a support 2, a top plate 3, a cylinder 4, an upper mold assembly, and a lower mold assembly.

[0022] The lower die assembly includes a lower die base plate 5, a lower die pad 6, a lower die fixing plate 7, a lower rivet head 8, a positioning seat fixing plate 9, a positioning seat 10, a spring D 11, a support rod A 12, a spring A 13, a screw plug A 14, a discharge push rod 15, a spring B 16 and a screw plug B 17. In this embodiment, two terminal posts 002 need to be riveted on the corresponding mechanical speaker housing 001, so two lower rivet heads 8 are provided.

[0023] The lower mold base plate 5 is installed on the middle part of the top surface of the bottom plate 1 by screws, the lower mold pad 6 is arranged on the lower mold base plate 5, the bottom end of each lower rivet head 8 has a clamping edge portion A extending to the periphery, the bottom end of each lower rivet head 8 is arranged on the lower mold pad 6, the lower mold fixing plate 7 is arranged on the lower mold pad 6, and the clamping edge portion A of each lower rivet head 8 is pressed on the lower mold pad 6, so that the lower rivet head 8 can be easily disassembled and reliably fixed. The lower mold base plate 5, the lower mold pad 6, and the lower mold fixing plate 7 are fixedly connected into a whole by the matching structure of screws and positioning pins, which is convenient for disassembly and assembly. The positioning seat fixing plate 9 is located above the lower mold fixing plate 7, and the positioning seat 10 is fixedly connected to the positioning seat fixing plate 9 by the matching structure of screws and positioning pins to form a whole. A positioning groove 1001 for positioning and placing the mechanical speaker housing 001 is provided on the top surface of the positioning seat 10. The shape of the positioning groove 1001 can be arbitrarily set using existing technology according to the shape of the corresponding mechanical speaker housing 001. The top of each lower rivet head 8 passes through the lower die pad 6, the positioning seat fixing plate 9, and the positioning seat 10 in sequence, and the top of each lower rivet head 8 extends to the inner side of the positioning groove 1001. The outer periphery of each lower rivet head 8 is sleeved with a spring D 11, and each spring D 11 is located between the lower die fixing plate 7 and the positioning seat fixing plate 9.

[0024] The bottom of the positioning seat fixing plate 9 is connected to the top of the support rod A12, and the bottom end of the support rod A12 extends to the periphery to form a limiting head A. A through hole A for accommodating the limiting head A of the support rod A12 is provided on the lower mold pad 6, and a spring accommodating port A is provided on the lower mold base plate 5 at a position corresponding to the through hole A. A screw plug A14 for closing the spring accommodating port A is threadedly connected in the spring accommodating port A, and a spring A13 is provided in the spring accommodating port A. The top end of the spring A13 abuts against the limiting head A of the support rod A12, and the bottom end of the spring A13 abuts against the screw plug A14. In this embodiment, two support rods A12 are provided. In the initial state, the limiting head A of the support rod A12 abuts against the lower side of the lower mold fixing plate 7 under the elastic force of the spring A13. The setting position and setting quantity of the support rod A12 can be arbitrarily set according to actual needs. The support rod A 12, the spring A 13 and the screw plug A 14 are used to provide basic support and buffering for the whole formed by the positioning seat 10 and the positioning seat fixing plate 9, so as to meet the basic requirements of riveting.

[0025] The bottom end of the discharge push rod 15 extends outward to form a limit head B. The lower die pad 6 is provided with a through hole B for accommodating the limit head B of the discharge push rod 15. The top end of the discharge push rod 15 passes through the lower die fixed plate 7, the positioning seat fixed plate 9, and the positioning seat 10 in sequence, and the top end of the discharge push rod 15 extends to the inner side of the positioning groove 1001. The lower die base plate 5 is provided with a spring receiving port B at a position corresponding to the through hole B. A screw plug B 17 for closing the spring receiving port B is connected to the spring receiving port B by thread. A spring B 16 is provided in the spring receiving port B. The top end of the spring B 16 abuts against the limit head B of the discharge push rod 15, and the bottom end of the spring B 16 abuts against the screw plug B 17. In the initial state, the limit head B of the discharge push rod 15 abuts against the lower side of the lower die fixed plate 7 under the elastic force of the spring B 16. The position and number of the unloading push rod 15 can be arbitrarily selected and set according to the shape of the product to be riveted. During the riveting process, the product to be riveted presses down the unloading push rod 15, and the spring B 16 is compressed; after the riveting is completed, the unloading push rod 15 can push the product that is not affected by external force out of the positioning groove 1001 of the positioning seat 10 under the action of the spring B 16, effectively improving the problem of difficult unloading.

[0026] The upper mold assembly is located above the lower mold assembly, and the upper mold assembly includes two upper rivet heads 18. The setting position of each upper rivet head 18 corresponds to the setting position of each lower rivet head 8. Each upper rivet head 18 and each lower rivet head 8 are used together to directly rivet the terminal 002 penetrated by the mechanical speaker housing 001.

[0027] Each support 2 is located outside the lower mold assembly, the bottom end of each support 2 is fixed to the bottom plate 1 by screws, and the top end of each support 2 is fixed to the top plate 3 by screws. The top plate 3 is located above the upper mold assembly, and the outer shell of the cylinder 4 is installed on the top plate 3. The power output end of the cylinder 4 is vertically downward and connected to the upper mold assembly. In this embodiment, the cylinder 4 adopts a commercially available product, and its action is controlled by an external controller.

[0028] Specifically, if Figure 6 As shown, in this embodiment, the positioning seat 10 and the positioning seat fixing plate 9 are fixedly connected to form an integral body with the tops of two guide pillars A 19, and the lower mold pad 6, the lower mold fixing plate 7 and the lower mold base plate 5 are fixedly connected to form an integral body with a guide sleeve A 20 for the bottom of each guide pillar A 19 to pass through. In this embodiment, the arrangement structure of the guide pillar A 19 and the guide sleeve A 20 are all based on the existing technology. Through the arrangement of the guide pillar A 19 and the guide sleeve A 20, the positioning seat 10 and the positioning seat fixing plate 9 can be lifted up and down stably and accurately.

[0029] Specifically, if Figure 4 , Figure 5 and Figure 6As shown, in this embodiment, the upper mold assembly also includes an upper mold base plate 21, a cylinder connecting seat 22, an upper mold pad 23, an upper mold fixing plate A 24, and an upper mold fixing plate B 25.

[0030] The cylinder connection seat 22 is installed on the top surface of the upper mold base plate 21 by screws and is used to connect with the power output end of the cylinder 4. The upper mold pad 23, the upper mold fixing plate A 24, and the upper mold fixing plate B 25 are stacked on the lower side of the upper mold base plate 21 from top to bottom. The upper mold base plate 21, the upper mold pad 23, the upper mold fixing plate A 24, and the upper mold fixing plate B 25 are fixedly connected to form a whole by the matching structure of screws and positioning pins.

[0031] The top end of each upper rivet head 18 has a clamping edge portion B extending toward the periphery, and the top end of each upper rivet head 18 is arranged on the lower side of the upper die pad 23. The upper die fixing plate A 24 presses the clamping edge portion B of each upper rivet head 18 against the bottom surface of the upper die pad 23. The bottom end of each upper rivet head 18 extends out of the upper die fixing plate A 24 and the upper die fixing plate B 25 in sequence, so that the upper rivet head 18 can be easily disassembled and reliably fixed.

[0032] Specifically, if Figure 4 and Figure 6 As shown, in this embodiment, the upper mold assembly also includes two sets of pre-compression rods 26, springs C 27, and screw plugs C 28 that are arranged in a coordinated manner. The top end of each pre-stress rod 26 extends toward the periphery to form a limiting head C. Two through holes C are provided on the upper mold fixing plate A 24 for accommodating the limiting head C of each pre-stress rod 26. The limiting head C of each pre-stress rod 26 is located in a corresponding through hole C. The bottom end of each pre-stress rod 26 passes through the upper mold fixing plate B 25 and is used to press the mechanical speaker housing 001 during riveting. The upper mold base plate 21 and the upper mold pad plate 23 are integrally formed with spring accommodating ports C corresponding to each through hole C. Each spring accommodating port C is respectively threadedly connected with a screw plug C 28 for closing the spring accommodating port C. A spring C 27 is provided in each spring accommodating port C. The bottom end of each spring C 27 abuts against the limiting head C of a corresponding pre-stress rod 26. The bottom end of each spring C 27 abuts against the corresponding screw plug C 28. In the initial state, the limit head C of each pre-compression rod 26 is pressed against the upper side of the upper mold fixing plate B 25 under the elastic force of the corresponding spring C 27, and the spring C 27 provides pre-compression force to the pre-compression rod 26. Before the formal riveting, the mechanical speaker housing 001 to be riveted can be pre-pressed on the positioning seat 10 by each pre-compression rod 26, which can effectively keep the position of the mechanical speaker housing 001 fixed and uniform during the formal riveting, and effectively avoid the position of the mechanical speaker housing 001 from being deteriorated and offset during riveting.

[0033] Specifically, if Figure 2As shown, in this embodiment, the bottom ends of two guide pillars B 29 are fixedly connected to the lower mold base plate 5, and two guide sleeves B 30 are provided on the upper mold base plate 21 for the top ends of the guide pillars B 29 to pass through, so that the upper mold assembly can be lifted and lowered stably and accurately as a whole.

[0034] Specifically, in this embodiment, the top ends of two upper limit rods 31 are connected to the bottom surface of the upper mold base plate 21 and on the outer side of the upper mold base plate 21, and the bottom ends of the upper limit rods 31 form abutment joints A. The top surfaces of the lower mold base plate 5 are provided with lower limit rods 32 at positions corresponding to the upper limit rods 31, and the top ends of the lower limit rods 32 form abutment joints B. When the upper mold assembly descends to the preset limit height position, the upper limit rods 31 and the corresponding lower limit rods 32 abut against each other to prevent the upper mold assembly from being excessively descended and causing damage to the product.

[0035] In a specific embodiment, Figure 2 and Figure 3 As shown, the lower limiting rod 32 can be directly fixed on the top surface of the lower mold base plate 5.

[0036] In another specific embodiment, Figure 5 As shown, lower limit rod fixing seats 33 are respectively installed on the top surface of the lower mold base plate 5 at positions corresponding to the upper limit rods 31, and the bottom ends of the lower limit rods 32 form threaded rod portions, and the threaded rod portions of the lower limit rods 32 are respectively connected to the corresponding lower limit rod fixing seats 33 through threads, and the threaded rod portions of the lower limit rods 32 are also respectively connected to the threaded rod portions of the lower limit rods 32 through threads. After loosening the fastening nut 34, the lower limit rod 32 can be rotated to adjust the limit height position according to different usage requirements; after the lower limit rod 32 is adjusted to a suitable height position, the fastening nut 34 is then tightened to keep the height position of the lower limit rod 32 fixed.

[0037] Specifically, if Figure 5 and Figure 6 As shown, in this embodiment, the positioning seat fixing plate 9 is provided with a guide sleeve C 35 for the top end of each lower rivet head 8 to pass through, further ensuring that the positioning seat fixing plate 9 is stably lifted up and down; the lower mold fixing plate 7 is provided with a guide sleeve D 36 for the discharge push rod 15 to pass through, so that the discharge push rod 15 can be lifted up and down stably.

[0038] Specifically, if Figure 1 As shown, in this embodiment, a safety grating 37 is provided on the bottom plate 1 and on the front side of the lower mold assembly to ensure the safety of employees' operation. In this embodiment, the safety grating 37 is a commercially available product and is connected and communicated with an external controller. If an employee touches the sensing area of ​​the safety grating 37 during the operation of the equipment, the external controller controls the equipment to automatically stop.

[0039] Working principle: The power output end of the cylinder 4 remains in a retracted state in the initial state; first, the mechanical horn shell 001 to be riveted is pre-pressed on the positioning seat 10 through each pre-stressing rod 26, and the terminal 002 to be riveted is penetrated, at this time, the unloading push rod 15 is pressed down, and the spring B 16 is compressed; during the riveting operation, the power output end of the cylinder 4 is controlled to extend, driving the upper mold assembly to descend, and each upper rivet head 18 and each lower rivet head 8 respectively press against the terminal 002 penetrated on the mechanical horn shell 001 and directly rivet; after the riveting is completed, the power output end of the cylinder 4 is retracted again, and then the pre-stressing rods 26 are moved upward, and the unloading push rod 15 can push the product that is not affected by external force out of the positioning groove 1001 of the positioning seat 10 under the action of the spring B16, and then the unloading can be completed.

Claims

1. A device for riveting a mechanical speaker housing and a terminal, characterized in that: It comprises a bottom plate (1), a support (2), a top plate (3), a cylinder (4), an upper die assembly, and a lower die assembly; The lower die assembly comprises a lower die base plate (5), a lower die pad (6), a lower die fixing plate (7), a lower rivet head (8), a positioning seat fixing plate (9), a positioning seat (10), a spring D (11), a support rod A (12), a spring A (13), a screw plug A (14), a discharge push rod (15), a spring B (16) and a screw plug B (17); The lower mold base plate (5) is installed on the middle part of the top surface of the bottom plate (1), the lower mold pad (6) is arranged on the lower mold base plate (5), a plurality of lower rivet heads (8) are provided, and the bottom end of each lower rivet head (8) has a clamping edge portion A extending toward the periphery, the bottom end of each lower rivet head (8) is arranged on the lower mold pad (6), the lower mold fixing plate (7) is arranged on the lower mold pad (6), and the clamping edge portion A of each lower rivet head (8) is pressed against the lower mold pad (6), the lower mold base plate (5), the lower mold pad (6), and the lower mold fixing plate (7) are fixedly connected into a whole, and the positioning seat fixing plate (9) is located on the lower mold Above the fixing plate (7), the positioning seat (10) is fixedly connected to the positioning seat fixing plate (9), and a positioning groove (1001) for positioning and placing the mechanical speaker housing (001) is provided on the top surface of the positioning seat (10), and the top end of each of the lower rivet heads (8) passes through the lower die pad (6), the positioning seat fixing plate (9), and the positioning seat (10) in sequence, and the top end of each of the lower rivet heads (8) extends to the inner side of the positioning groove (1001), and the outer periphery of each of the lower rivet heads (8) is sleeved with the spring D (11), and each of the springs D (11) is located between the lower die fixing plate (7) and the positioning seat fixing plate (9); The bottom of the positioning seat fixing plate (9) is connected to the top of the support rod A (12), the bottom end of the support rod A (12) extends outward to form a limiting head A, the lower die pad (6) is provided with a through hole A for accommodating the limiting head A of the support rod A (12), the lower die base plate (5) is provided with a spring receiving opening A corresponding to the through hole A, the spring receiving opening A is threadedly connected with a screw plug A (14) for closing the spring receiving opening A, the spring A (13) is provided in the spring receiving opening A, the top end of the spring A (13) abuts against the limiting head A of the support rod A (12), and the bottom end of the spring A (13) abuts against the screw plug A (14); in the initial state, the limiting head A of the support rod A (12) abuts against the lower side of the lower die fixing plate (7) under the elastic force of the spring A (13); The bottom end of the discharge push rod (15) extends outward to form a limit head B, the lower die pad (6) is provided with a through hole B for accommodating the limit head B of the discharge push rod (15), the top end of the discharge push rod (15) passes through the lower die fixing plate (7), the positioning seat fixing plate (9), and the positioning seat (10) in sequence, and the top end of the discharge push rod (15) extends to the inner side of the positioning groove (1001), and a spring accommodating spring is provided at a position corresponding to the through hole B on the lower die base plate (5). A screw plug B (17) for closing the spring accommodating port B is threadedly connected to the spring accommodating port B, the spring B (16) is arranged in the spring accommodating port B, the top end of the spring B (16) abuts against the limiting head B of the unloading push rod (15), and the bottom end of the spring B (16) abuts against the screw plug B (17); in an initial state, the limiting head B of the unloading push rod (15) abuts against the lower side of the lower mold fixing plate (7) under the elastic force of the spring B (16); The upper die assembly is located above the lower die assembly, and the upper die assembly comprises a plurality of upper rivet heads (18), wherein the arrangement position of each of the upper rivet heads (18) corresponds to the arrangement position of each of the lower rivet heads (8) in a one-to-one manner, and each of the upper rivet heads (18) and each of the lower rivet heads (8) are used together to directly rivet a terminal (002) provided on a mechanical speaker housing (001); Each of the pillars (2) is located on the outside of the lower mold assembly, the bottom end of each of the pillars (2) is fixedly connected to the bottom plate (1), and the top end of each of the pillars (2) is fixedly connected to the top plate (3). The top plate (3) is located above the upper mold assembly. The outer shell of the cylinder (4) is installed on the top plate (3), and the power output end of the cylinder (4) is vertically downward and connected to the upper mold assembly.

2. A device for riveting a mechanical speaker housing to a terminal according to claim 1, characterized in that: The positioning seat (10) and the positioning seat fixing plate (9) are fixedly connected to form an integral body having the tops of a plurality of guide columns A (19), and the lower mold pad (6), the lower mold fixing plate (7) and the lower mold base plate (5) are fixedly connected to form an integral body having a guide sleeve A (20) through which the bottoms of the guide columns A (19) pass.

3. The device for riveting a mechanical speaker housing to a terminal according to claim 1, characterized in that: The upper die assembly further comprises an upper die base plate (21), a cylinder connecting seat (22), an upper die pad (23), an upper die fixing plate A (24), and an upper die fixing plate B (25); The cylinder connecting seat (22) is installed on the top surface of the upper mold base plate (21) and is used to connect with the power output end of the cylinder (4); the upper mold pad (23), the upper mold fixing plate A (24), and the upper mold fixing plate B (25) are stacked on the lower side of the upper mold base plate (21) from top to bottom; the upper mold base plate (21), the upper mold pad (23), the upper mold fixing plate A (24), and the upper mold fixing plate B (25) are fixedly connected to form a whole; The top end of each upper rivet head (18) has a clamping edge portion B extending toward the periphery, the top end of each upper rivet head (18) is arranged on the lower side of the upper die pad (23), the upper die fixing plate A (24) presses the clamping edge portion B of each upper rivet head (18) against the bottom surface of the upper die pad (23), and the bottom end of each upper rivet head (18) extends out of the upper die fixing plate A (24) and the upper die fixing plate B (25) in sequence.

4. A device for riveting a mechanical speaker housing to a terminal according to claim 3, characterized in that: The upper die assembly further comprises a plurality of sets of pre-compression rods (26), springs C (27), and screw plugs C (28) arranged in a coordinated manner; The top end of each of the pre-stressing rods (26) extends outward to form a limit head C, and the upper mold fixing plate A (24) is provided with a plurality of through holes C for accommodating the limit heads C of each of the pre-stressing rods (26). The limit heads C of each of the pre-stressing rods (26) are located in a corresponding one of the through holes C. The bottom end of each of the pre-stressing rods (26) passes through the upper mold fixing plate B (25) and is used to press the mechanical speaker housing (001) during riveting. The upper mold base plate (21) and the upper mold pad plate (23) are integrally connected to the corresponding positions of each of the through holes C. A spring accommodating port C is provided, each of the spring accommodating ports C is respectively connected with a screw plug C (28) for closing the spring accommodating port C through a thread, each of the spring accommodating ports C is provided with a spring C (27), the bottom end of each of the springs C (27) abuts against a corresponding limiting head C of the pre-stressing rod (26), and the bottom end of each of the springs C (27) abuts against a corresponding screw plug C (28); in an initial state, the limiting head C of each of the pre-stressing rods (26) abuts against the upper side of the upper mold fixing plate B (25) under the elastic force of the corresponding spring C (27).

5. The device for riveting a mechanical speaker housing to a terminal according to claim 3, characterized in that: The bottom ends of a plurality of guide columns B (29) are fixedly connected to the lower mold base plate (5), and the upper mold base plate (21) is provided with a plurality of guide sleeves B (30) for the top ends of the guide columns B (29) to pass through.

6. The device for riveting a mechanical speaker housing to a terminal according to claim 3, characterized in that: The top ends of a plurality of upper limit rods (31) are connected on the bottom surface of the upper mold base plate (21) and on the outside of the upper mold base plate (21), and the bottom ends of the upper limit rods (31) form a butt joint A. Lower limit rods (32) are respectively provided on the top surface of the lower mold base plate (5) at positions corresponding to the upper limit rods (31), and the top ends of the lower limit rods (32) form a butt joint B.

7. A device for riveting a mechanical speaker housing to a terminal according to claim 6, characterized in that: Lower limit rod fixing seats (33) are respectively installed on the top surface of the lower mold base plate (5) at positions corresponding to each of the upper limit rods (31); a threaded rod portion is formed at the bottom end of each of the lower limit rods (32); the threaded rod portion of each of the lower limit rods (32) is respectively connected to a corresponding lower limit rod fixing seat (33) via a thread; and a fastening nut (34) is also respectively connected to the threaded rod portion of each of the lower limit rods (32) via a thread.

8. The device for riveting a mechanical speaker housing to a terminal post according to claim 1, characterized in that: The positioning seat fixing plate (9) is provided with a guide sleeve C (35) for allowing the top end of each lower rivet head (8) to pass through.

9. The device for riveting a mechanical speaker housing to a terminal according to claim 1, characterized in that: The lower die fixing plate (7) is provided with a guide sleeve D (36) for the discharge push rod (15) to pass through.

10. The device for riveting a mechanical speaker housing and a terminal according to claim 1, characterized in that: A safety grating (37) is provided on the bottom plate (1) and on the front side of the lower mould assembly.

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