CN110653323B - A composite splicing riveting and pressing tool for electrical cabinets - Google Patents

Abstract

The invention relates to a composite splicing riveting and pressing tool for electrical cabinets, comprising a bottom plate, an upper moving mechanism, a lower moving mechanism, a suspension beam, a riveting mechanism and an inner support device. The top is installed on the bottom of the suspension beam, the lower moving mechanism is located on the front side of the base plate, the rear end of the lower moving mechanism is installed on the front side of the base plate, and a group of riveting mechanisms are arranged symmetrically below the upper moving mechanism. The number is two, the top of one riveting mechanism is mounted on the bottom of the upper moving mechanism, the bottom of the other riveting mechanism is mounted on the top of the lower moving mechanism, and the bottom of the inner support device is mounted on the top of the bottom plate. The invention can solve the problems that the manual riveting and clamping of the electrical box body greatly wastes manpower and low work efficiency, and the parallelism and verticality of the electrical box body cannot be guaranteed, resulting in the unsightly appearance of the electrical box body after being formed or even easily affecting the use. .

Description

A composite splicing riveting and pressing tool for electrical cabinets

technical field

The invention relates to the technical field of electrical box splicing, in particular to a riveting and pressing tool for composite splicing of electrical boxes and cabinets.

Background technique

The electrical box distribution box has the characteristics of small size, easy installation, special technical performance, fixed location, unique configuration function, no site restrictions, common application, stable and reliable operation, high space utilization, small footprint and environmental protection effect. . The commonly used distribution boxes are made of wood and metal. Because the protection level of metal distribution boxes is higher, metal is used more. The distribution box structure is divided into two types, welding structure: simply cutting, bending, drilling and welding the sheet metal parts. Assembled structure: The sheet metal parts are processed separately. After each part is processed, it is assembled and locked with screws and tee. It has beautiful appearance and simple operation, which can save a lot of transportation costs.

During the production of the existing electrical box frames, multiple workers are often used to operate the splicing and riveting between the electrical boxes. This method is very wasteful of manpower and low in work efficiency, and when the electrical box is riveted and clamped manually, the parallelism and perpendicularity of the electrical box cannot be guaranteed, resulting in the unsightly appearance of the electrical box after molding and easy to affect the use.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides a composite splicing riveting and pressing tool for electrical cabinets, which includes a bottom plate, an upper moving mechanism, a lower moving mechanism, a suspension beam, a riveting mechanism and an inner support device, and a suspension device is arranged above the bottom plate. Beam, the left and right ends of the suspension beam are installed on the top front side of the base plate through brackets, the upper moving mechanism is located below the suspension beam, the top of the upper moving mechanism is installed on the bottom of the suspension beam, and the lower moving mechanism is located on the front side of the base plate, The rear end of the lower moving mechanism is installed on the front side of the bottom plate, and a group of riveting and pressing mechanisms are arranged symmetrically below the upper moving mechanism. The number of each group of riveting and pressing mechanisms is two. , the bottom of the other riveting mechanism is installed on the top of the lower moving mechanism, the inner support device is located on the rear side of the riveting mechanism, the bottom of the inner support device is installed on the top of the bottom plate, and the present invention performs the splicing and riveting of the outer frame of the electrical box. The upper moving mechanism and the lower moving mechanism can adjust the position of the riveting mechanism according to the size of the outer frame of different electrical boxes, and the riveting mechanism can riveting the interface between the U-shaped frame of the electrical box and the top plate of the electrical box. It is convenient for subsequent riveting work, and the inner support device can internally support the electrical box frame while the riveting and pressing mechanism performs the riveting and pressing operation, so as to ensure the normal progress of the riveting and pressing operation.

The upper moving mechanism includes an upper two-way screw, an upper screw nut, an upper rotating motor, an upper bearing seat, and an electric push rod. The upper screw nut is symmetrically installed on the left and right ends of the upper two-way screw, and the upper rotating motor is located at the On the left side of the upper screw nut, the output shaft of the upper rotating motor is connected with the left end face of the upper two-way screw through a coupling, and the upper rotating motor is installed on the bottom of the suspension beam through a motor sleeve, and the two ends of the upper two-way screw The upper bearing seat is installed on the bottom of the suspension beam, and the electric push rod is installed on the bottom of the upper screw nut. When working, the upper moving mechanism can drive the riveting mechanism connected to it to perform reverse movement, so as to match different sizes of The outer frame of the electrical box is driven by the upper rotating motor to rotate the upper bidirectional lead screw, so that the two upper lead screw nuts drive the electric push rod to move in the opposite direction, completing the adjustment of the distance between the riveting and pressing mechanism connected with the upper moving mechanism, so that it is connected with the upper moving mechanism. The riveting mechanism connected with the moving mechanism corresponds to the position of the left and right ends of the top plate of the electrical box, and then the electric push rod is controlled to extend, so that the riveting mechanism connected with the upper moving mechanism falls.

The lower moving mechanism includes a lower two-way screw, a lower screw nut, a lower rotating motor, and a lower bearing seat. The lower screw nut is symmetrically installed on the left and right ends of the lower two-way screw, and the lower rotating motor is located at the bottom of the lower screw nut. On the left side, the output shaft of the lower rotating motor is connected with the left end face of the lower two-way screw through the coupling, the lower rotating motor is installed on the front side of the base plate through the motor sleeve, and the two ends of the lower two-way screw are installed through the lower bearing seat. On the front side of the bottom plate, when working, the lower moving mechanism and the upper moving mechanism run synchronously. On the left and right sides of the lower end of the box top plate, the threads on the left and right ends of the upper two-way screw and the lower two-way screw have opposite directions of rotation.

The riveting mechanism includes a fixed plate, a rotating plate, a rotating hinge, a riveting plate, a riveting bolt, and a fixed piece. The fixed plate is an L-shaped structure, and the rotating plate is located on the front side of the fixed plate. The bottom of the fixed plate is connected, the rear side of the rotating plate is provided with pressure plate grooves at equal distances, the lower end of the fixed plate is installed on the front side of the upper end of the rotating plate, the fixed plate is an L-shaped structure, and there are bolt holes on the top of the fixed plate , the top of the fixed plate above the fixed plate is installed on the bottom of the electric push rod, the fixed plate below the fixed plate is installed on the top of the lower screw nut, and the fixed plate corresponds to the position between the pressure plate grooves of the rotating plate with rivet holes.

The riveting pressure mechanism includes a riveting pressure plate and a riveting pressure bolt, the riveting pressure plate is located in the pressure plate groove of the rotating plate, the riveting pressure bolt is located on the front side of the riveting pressure plate, and the riveting pressure bolt passes through the rotating plate and is connected with the riveting pressure plate. , the riveting mechanism can rive the interface between the U-shaped frame of the electrical box and the top plate of the electrical box, which is convenient for the subsequent rivet work. According to the size of the top plate of the electrical box, the riveting mechanism is adjusted by the upper and lower moving mechanisms Adjust the spacing of the electrical box, place the top plate of the electrical box on the bottom of the lower end of the fixed plate connected with the lower screw nut, and then press the fixed plate connected with the upper moving mechanism to the top of the electrical box through the electric push rod, and then put a group of The rotating plate in the riveting mechanism rotates inward so that the rotating plate is parallel to the fixed plate, then the two adjacent fixed plates are locked by bolts and nuts, and then the riveting bolts are manually screwed to push the riveting plate inward. When the corners of the U-shaped frame of the electrical box are close to the front side of the top plate of the electrical box, the riveting bolts cannot continue to be screwed, and the riveting action is completed. The rivet holes on the fixing plate can facilitate subsequent rivets from the inside of the frame. .

The inner support device includes a support pin rod, an angle plate, an angle plate, a telescopic insertion rod, a locking ring, and a top support mechanism. The bottom of the support pin rod is installed on the top of the bottom plate, and the angle plate is installed in the middle of the upper end of the support pin rod On the top, the top outer ring of the angle plate is uniformly opened with sockets along its circumferential direction, and the top inner ring of the angle plate is provided with an angle scale along its circumferential direction. The number of angle plates is two, and the angle plates are arranged staggered above the angle plate. The middle part of the angle plate is connected with the support pin rod by means of sliding fit;

The locking ring is installed on the middle of the upper end of the support pin, the bottom of the locking ring is attached to the top of the angle plate, and the bottom surface of the left end of the angle plate is installed with a telescopic insertion rod, and the bottom of the telescopic insertion rod is slidingly fitted with the angle plate. The jacks are connected, and a top support mechanism is installed on the left and right ends of the angle plate.

The top support mechanism includes a connecting block, a telescopic support rod, and an inner support plate. The left and right ends of the angle plate are connected with the telescopic support rod through the connecting block. The inner end surface of the connecting block is installed on the outer end surface of the angle plate. The inner end of the strut is installed on the outer end of the connecting block, the inner strut is located on the outside of the angle plate, and the middle part of the upper end of the angle plate is connected with the outer end of the telescopic strut through a hinge. The mechanism supports the inside of the electrical box frame while the riveting operation is performed to ensure the normal operation of the riveting and pressing operation. According to the electrical box frame of different sizes, the angle between the telescopic struts can be adjusted. Shrink, so that the angle plate is released from the lock with the angle plate, then manually rotate the angle plate, after completing the angle adjustment through the scale on the angle plate, extend the telescopic rod into the socket of the angle plate, and complete the connection between the angle plate and the angle plate. After locking, the telescopic struts are controlled to extend, so that the two ends of the inner support plate are pressed against the four corners of the electrical box frame to complete the inner support of the electrical box frame.

The left and right ends of the inner support plate are arc structures, and magnetic blocks are installed on the arc structure of the inner support plate. The box frame is adsorbed on the inner support plate to prevent the top plate of the electrical box from falling out when the electrical box is not riveted.

The beneficial effects of the present invention are:

1. The present invention can complete the composite splicing and riveting of electrical boxes and cabinets. The present invention can perform riveting and splicing of electrical boxes of different sizes, which is convenient for subsequent riveting work on the connection between the U-shaped frame and the top plate of the electrical box, and solves the problem of manual riveting of electrical boxes. When the frame body is riveted and clamped, the parallelism and perpendicularity of the electrical frame body cannot be guaranteed, which leads to the problem that the electrical box frame body is unsightly after being formed and easily affects the use;

2. The present invention is provided with an inner support device, and the angle plate on the inner support device can cooperate with the telescopic insert rod and the angle plate to adjust the angle between the angle plates, so as to support the electrical box frames of different sizes, which is convenient for riveting and pressing The mechanism performs the riveting operation, which improves the applicability of the present invention;

3. The present invention is provided with a riveting mechanism, the riveting plate on the riveting mechanism can rive the edge of the U-shaped frame of the electrical box to the top plate of the electrical box through the rotation of the riveting bolt. It is ensured that the edge of the U-shaped frame of the electrical box is flat and close to both ends of the top plate of the electrical box, thereby increasing the riveting effect of the present invention.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the first structural representation of the present invention;

Fig. 2 is the second structural representation of the present invention;

Fig. 3 is a partial enlarged view of X direction in Fig. 2;

FIG. 4 is a schematic structural diagram of the riveting and pressing mechanism of the present invention.

Detailed ways

In order to make it easy to understand the technical means, creation features, achieved goals and effects of the present invention, the present invention will be further described below with reference to the specific figures. It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict.

As shown in Figures 1 to 4, a composite splicing riveting and pressing tool for electrical cabinets includes a bottom plate 1, an upper moving mechanism 2, a lower moving mechanism 3, a suspension beam 4, a riveting and pressing mechanism 5 and an inner support device 6. The said A suspension beam 4 is arranged above the bottom plate 1 of the base plate 1, the left and right ends of the suspension beam 4 are installed on the top front side of the bottom plate 1 through brackets, the upper moving mechanism 2 is located under the suspension beam 4, and the top of the upper moving mechanism 2 is installed on the suspension beam 4, the lower moving mechanism 3 is located on the front side of the bottom plate 1, the rear end of the lower moving mechanism 3 is installed on the front side of the bottom plate 1, and a group of riveting and pressing mechanisms 5 are arranged symmetrically below the upper moving mechanism 2. The number of pressing mechanisms 5 is two, the top of one riveting and pressing mechanism 5 is installed on the bottom of the upper moving mechanism 2, the bottom of the other riveting and pressing mechanism 5 is installed on the top of the lower moving mechanism 3, and the inner support device 6 is located in the riveting and pressing mechanism 5. The bottom of the inner support device 6 is installed on the top of the bottom plate 1. When the present invention performs the splicing and riveting of the outer frame of the electrical box, the upper moving mechanism 2 and the lower moving mechanism 3 can be adjusted according to the size of the outer frame of the electrical box. The position of the riveting mechanism 5 can be adjusted, and the riveting mechanism 5 can rive the interface between the U-shaped frame of the electrical box and the top plate of the electrical box, which is convenient for the subsequent riveting work. The inner support device 6 can be used in the riveting mechanism 5. During the riveting operation, the inner support of the electrical box frame is carried out to ensure the normal operation of the riveting operation.

The upper moving mechanism 2 includes an upper bidirectional screw 21, an upper screw nut 22, an upper rotating motor 23, an upper bearing seat 24, and an electric push rod 25. The upper screw nut 22 is symmetrically installed on the left and right of the upper bidirectional screw 21. On both ends, the upper rotating motor 23 is located on the left side of the upper screw nut 22, the output shaft of the upper rotating motor 23 is connected to the left end face of the upper two-way screw 21 through a coupling, and the upper rotating motor 23 is installed through the motor sleeve. On the bottom of the suspension beam 4, the two ends of the upper two-way screw 21 are installed on the bottom of the suspension beam 4 through the upper bearing seat 24, and the electric push rod 25 is installed on the bottom of the upper screw nut 22. The mechanism 2 can drive the riveting mechanism 5 connected to it to perform reverse movement, so as to match the outer frame of the electrical box of different sizes, the upper bidirectional screw 21 is driven to rotate by the upper rotating motor 23, so that the two upper screw nuts 22 drive the electric The push rod 25 moves in the reverse direction to complete the adjustment of the distance between the riveting and pressing mechanism 5 connected with the upper moving mechanism 2, so that the riveting and pressing mechanism 5 connected with the upper moving mechanism 2 corresponds to the position of the left and right ends of the top plate of the electrical box. The push rod 25 is extended, so that the riveting mechanism 5 connected to the upper moving mechanism 2 is dropped.

The lower moving mechanism 3 includes a lower bidirectional screw 31, a lower screw nut 32, a lower rotating motor 33, and a lower bearing seat 34. The lower screw nut 32 is symmetrically installed on the left and right ends of the lower bidirectional screw 31, and rotates downward. The motor 33 is located on the left side of the lower screw nut 32, the output shaft of the lower rotation motor 33 is connected with the left end face of the lower bidirectional screw 31 through a coupling, and the lower rotation motor 33 is installed on the front side of the base plate 1 through a motor sleeve, Both ends of the lower bidirectional screw 31 are mounted on the front side of the bottom plate 1 through the lower bearing seat 34. When working, the lower moving mechanism 3 and the upper moving mechanism 2 run synchronously, and the lower moving mechanism 3 can drive the riveting mechanism connected to it. 5. Perform reverse motion, so that the riveting mechanism 5 connected with the lower moving mechanism 3 moves to the left and right sides of the lower end of the top plate of the electrical box, and the threads on the left and right ends of the upper bidirectional screw 21 and the lower bidirectional screw 31 are opposite.

The riveting mechanism 5 includes a fixed plate 51 , a rotating plate 52 , a rotating hinge 53 , a riveting plate 54 , a riveting bolt 55 , and a fixed piece 56 . The fixed plate 51 is an L-shaped structure, and the rotating plate 52 is located in front of the fixed plate 51 . side, the lower end of the lower base 51 is connected with the bottom of the fixed plate 51 through the rotating hinge 53, the rear side of the rotating plate 52 is provided with pressure plate grooves at equal distances, and the lower end of the fixed sheet 56 is installed on the upper front side of the rotating plate 52, The fixing piece 56 is of an L-shaped structure, the top of the fixing piece 56 is provided with a bolt hole, the top of the fixing plate 51 above the fixing piece 56 is installed on the bottom of the electric push rod 25, and the fixing plate 51 below the fixing piece 56 is installed on the lower screw On the top of the nut 32 , the fixing plate 51 is provided with a rivet hole corresponding to the position between the pressing plate grooves of the rotating plate 52 .

The riveting mechanism 5 includes a riveting plate 54 and a riveting bolt 55 , the riveting plate 54 is located in the plate groove of the rotating plate 52 , the riveting bolt 55 is located on the front side of the riveting plate 54 , and the riveting bolt 55 passes through the rotating plate 52 It is connected with the riveting plate 54. During the specific operation, the riveting mechanism 5 can rive the interface between the U-shaped frame of the electrical box and the top plate of the electrical box, so as to facilitate the subsequent riveting work. According to the size of the electrical box top plate, through The upper moving mechanism 2 and the lower moving mechanism 3 adjust the spacing of the riveting mechanism 5, place the top plate of the electrical box on the bottom of the lower end of the fixed plate 51 connected with the lower screw nut 32, and then move it with the upper moving rod 25 through the electric push rod 25. The fixed plate 51 connected by the mechanism 2 is pressed against the top of the top plate of the electrical box, and then the rotating plate 52 in a set of riveting mechanism 5 is rotated inward, so that the rotating plate 52 is parallel to the fixed plate 51, and then the adjacent two are fixed. The plate 56 is locked by the bolt and nut, and then the riveting bolt 55 is manually screwed, so that the riveting plate 54 is pushed inward, and when the corner of the U-shaped frame of the electrical box is in close contact with the front side of the top plate of the electrical box, the riveting bolt is pressed. 55 cannot continue to be screwed, and the riveting action is completed. The rivet holes on the fixing plate 51 can facilitate subsequent rivets from the inside of the frame.

The inner support device 6 includes a support pin 61, an angle plate 62, an angle plate 63, a telescopic insertion rod 64, a locking ring 65, and a top support mechanism 66. The bottom of the support pin 61 is installed on the top of the bottom plate 1, and the angle The disk 63 is installed on the middle of the upper end of the support pin rod 61, the top outer ring of the angle disk 63 is evenly provided with sockets along its circumferential direction, and the top inner ring of the angle disk 63 is provided with an angle scale along its circumferential direction. The number of angle plates 62 For two, the angle plate 62 is staggered up and down above the angle plate 63, and the middle of the angle plate 62 is connected with the support pin 61 by sliding fit;

The locking ring 65 is installed on the middle of the upper end of the support pin rod 61, the bottom of the locking ring 65 is attached to the top of the angle plate 62, and the bottom surface of the left end of the angle plate 62 is installed with a telescopic insertion rod 64, and the bottom of the telescopic insertion rod 64 slides The way of matching is connected with the socket of the angle plate 63 , and the top support mechanism 66 is installed on the left and right ends of the angle plate 62 .

The top support mechanism 66 includes a connecting block 661, a telescopic support rod 662, and an inner support plate 663. The left and right ends of the angle plate 62 are connected with the telescopic support rod 662 through the connecting block 661. The inner end surface of the connecting block 661 is installed on the On the outer end surface of the angle plate 62, the inner end of the telescopic strut 662 is installed on the outer end of the connecting block 661, the inner support plate 663 is located on the outer side of the angle plate 62, and the middle of the upper end of the angle plate 62 is connected to the outer end of the telescopic strut 662 through a hinge. The ends are connected, and the inner support device 6 can support the inside of the electrical box frame while the riveting mechanism 5 performs the riveting operation, so as to ensure the normal operation of the riveting operation. According to the electrical box frame of different sizes, The angle between the telescopic struts 662 can be adjusted, and the telescopic insertion rod 64 is used to shrink, so that the angle plate 62 is unlocked with the angle plate 63, and then the angle plate 62 is manually rotated to complete the angle adjustment through the scale on the angle plate 63. Then, the telescopic rod 64 is extended and inserted into the socket of the angle plate 63 to complete the locking of the angle plate 62 and the angle plate 63, and then the telescopic support rod 662 is controlled to be extended, so that the two ends of the inner support plate 663 are pressed against each other. The four corners of the electrical box frame complete the inner support of the electrical box frame.

The left and right ends of the inner support plate 663 are arc-shaped structures. Magnetic blocks are installed on the arc-shaped structure of the inner support plate 663. The electrical box frame can be adsorbed on the inner support plate 663 to prevent the top plate of the electrical box from falling outward when the electrical box is not riveted.

During operation, when the present invention performs the splicing and riveting of the outer frame of the electrical box, firstly, the distance between the two groups of riveting and pressing mechanisms 5 is adjusted according to the size of the electrical box frame. The riveting and pressing mechanism 5 performs synchronous reverse movement, so that the riveting and pressing mechanism 5 moves to the left and right sides of the top plate of the electrical box, and then adjusts the telescopic struts 662 to an appropriate angle according to the size of the electrical box frame. 64 is retracted, so that the angle plate 62 is released from the lock with the angle plate 63, then the angle plate 62 is manually rotated, and after completing the angle adjustment through the scale on the angle plate 63, the telescopic rod 64 is extended and inserted into the jack of the angle plate 63. , complete the locking of the angle plate 62 and the angle plate 63, and then extend by controlling the telescopic strut 662, so that the two ends of the inner support plate 663 are against the four corners of the electrical box frame, completing the inner support of the electrical box frame;

After the internal support of the electrical box frame is completed, the splicing and riveting of the electrical box frame is carried out, the fixed plate 51 is pressed against the top of the top plate of the electrical box by the electric push rod 25, and then the rotating plate in a set of riveting mechanism 5 is pressed. 52 is rotated inward, so that the rotating plate 52 is parallel to the fixed plate 51, and then the two adjacent fixed plates 56 are locked by bolts and nuts, and then the riveting bolts 55 are manually screwed, so that the riveting plate 54 is pushed inward, and then Rotate the riveting bolts 55 until they cannot be twisted, so that the edge of the U-shaped frame of the electrical box is flat and close to both ends of the top plate of the electrical box, and the splicing and riveting of the electrical box frame is completed.

The invention can complete the composite splicing and riveting of electrical boxes and cabinets. The invention can riveted and spliced electrical boxes of different sizes, which is convenient for subsequent riveting work on the connection between the U-shaped frame and the top plate of the electrical box, and solves the problem of manual riveting of the electrical box. When riveting and clamping, the parallelism and perpendicularity of the electrical box cannot be guaranteed, which leads to the problem that the electrical box is unsightly after being formed, and it is easy to affect the use.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (6)

1. A composite splicing riveting and pressing tool for electrical cabinets, comprising a bottom plate (1), an upper moving mechanism (2), a lower moving mechanism (3), a suspension beam (4), a riveting and pressing mechanism (5) and an inner support device ( 6), it is characterized in that: a suspension beam (4) is arranged above the bottom plate (1), the left and right ends of the suspension beam (4) are mounted on the top front side of the bottom plate (1) through a bracket, and the upper moving mechanism ( 2) Located below the suspension beam (4), the top of the upper moving mechanism (2) is installed on the bottom of the suspension beam (4), the lower moving mechanism (3) is located on the front side of the bottom plate (1), and the lower moving mechanism (3) ) is installed on the front side of the bottom plate (1), a group of riveting and pressing mechanisms (5) are arranged symmetrically below the upper moving mechanism (2), and each group of riveting and pressing mechanisms (5) is two in number, one riveting and pressing mechanism The top of (5) is mounted on the bottom of the upper moving mechanism (2), the bottom of another riveting mechanism (5) is mounted on the top of the lower moving mechanism (3), and the inner support device (6) is located on the riveting mechanism (5). ), the bottom of the inner support device (6) is mounted on the top of the bottom plate (1), wherein: The upper moving mechanism (2) includes an upper bidirectional screw (21), an upper screw nut (22), an upper rotating motor (23), an upper bearing seat (24), an electric push rod (25), and an upper screw The nut (22) is symmetrically installed on the left and right ends of the upper bidirectional screw (21), the upper rotation motor (23) is located on the left side of the upper screw nut (22), and the output shaft of the upper rotation motor (23) is connected through a coupling. The shaft is connected to the left end face of the upper two-way screw (21), the upper rotating motor (23) is installed on the bottom of the suspension beam (4) through the motor sleeve, and both ends of the upper two-way screw (21) pass through the upper bearing seat ( 24) is installed on the bottom of the suspension beam (4), and the electric push rod (25) is installed on the bottom of the upper screw nut (22); The lower moving mechanism (3) includes a lower bidirectional screw (31), a lower screw nut (32), a lower rotating motor (33), and a lower bearing seat (34), and the lower screw nut (31) is symmetrically installed on the lower The upper left and right ends of the two-way screw (31) and the lower rotating motor (33) are located on the left side of the lower screw nut (32). The output shaft of the lower rotating motor (33) is connected to the lower two-way screw (31) through a coupling ), the lower rotating motor (33) is installed on the front side of the base plate (1) through the motor sleeve, and the two ends of the lower bidirectional screw (31) are installed on the bottom plate (1) through the lower bearing seat (34). on the front side. 2. A composite splicing riveting and pressing tool for electrical cabinets according to claim 1, characterized in that: the riveting and pressing mechanism (5) comprises a fixed plate (51), a rotating plate (52), a rotating hinge (53) ), the riveting plate (54), the riveting bolt (55), the fixing plate (56), the fixing plate (51) has an L-shaped structure, the rotating plate (52) is located on the front side of the fixing plate (51), and the lower base (51) ) is connected with the bottom of the fixed plate (51) through the rotating hinge (53), the rear side of the rotating plate (52) is provided with pressure plate grooves at equal distances, and the lower end of the fixed sheet (56) is installed on the rotating plate (52) On the front side of the upper end of the fixing sheet (56), the fixing sheet (56) is of L-shaped structure, the top of the fixing sheet (56) is provided with bolt holes, and the top of the fixing plate (51) above the fixing sheet (56) is installed on the electric push rod (25) On the bottom of the lower screw nut (32), the fixing plate (51) under the fixing sheet (56) is installed on the top of the lower screw nut (32), and the fixing plate (51) corresponds to the position between the pressure plate grooves of the rotating plate (52) with rivet holes. . 3. A composite splicing riveting and pressing tool for electrical cabinets according to claim 1, characterized in that: the inner support device (6) comprises a support pin (61), an angle plate (62), an angle plate ( 63), telescopic insert rod (64), locking ring (65), top support mechanism (66), the bottom of the support pin rod (61) is installed on the top of the bottom plate (1), and the angle plate (63) is installed on the support pin On the middle part of the upper end of the rod (61), the top outer ring of the angle plate (63) is evenly provided with sockets along its circumferential direction, the top inner ring of the angle disk (63) is provided with an angle scale along its circumferential direction, and the angle plate (62) ) number is two, the angle plate (62) is staggered up and down above the angle plate (63), and the middle of the angle plate (62) is connected with the support pin (61) by sliding fit; The locking ring (65) is installed on the middle of the upper end of the support pin (61), the bottom of the locking ring (65) is fitted on the top of the angle plate (62), and a telescopic insertion rod is installed on the bottom surface of the left end of the angle plate (62). (64), the bottom of the telescopic rod (64) is connected with the socket of the angle plate (63) by sliding fit, and the top support mechanism (66) is installed on the left and right ends of the angle plate (62). 4. A composite splicing riveting and pressing tool for electrical cabinets according to claim 3, characterized in that: the top support mechanism (66) comprises a connecting block (661), a telescopic support rod (662), an inner support plate (663), the left and right ends of the angle plate (62) are connected with the telescopic strut (662) through the connecting block (661), and the inner end face of the connecting block (661) is installed on the outer end face of the angle plate (62), The inner end of the telescopic strut (662) is installed on the outer end of the connecting block (661), the inner support plate (663) is located on the outer side of the angle plate (62), and the middle of the upper end of the angle plate (62) is connected to the telescopic strut (62) through a hinge. 662) is connected to the outer end. 5. A composite splicing riveting and pressing tool for electrical cabinets according to claim 2, characterized in that: the riveting and pressing mechanism (5) comprises a riveting and pressing plate (54), a riveting and pressing bolt (55), and a riveting and pressing plate (5). 54) is located in the pressure plate groove of the rotating plate (52), the riveting pressure bolt (55) is located on the front side of the riveting pressure plate (54), and the riveting pressure bolt (55) passes through the rotating plate (52) and is connected with the riveting pressure plate (54) . 6. A composite splicing riveting and pressing tool for an electrical box and cabinet according to claim 4, characterized in that: the left and right ends of the inner support plate (663) are arc-shaped structures, and the arc of the inner support plate (663) A magnetic block is installed on the shaped structure.

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