CN115156945B

CN115156945B - Lateral flexible pressing device capable of rotating at any angle

Info

Publication number: CN115156945B
Application number: CN202210801215.8A
Authority: CN
Inventors: 王洪浩; 李海伟; 高超; 曹烈; 赵猛
Original assignee: Shenyang Aircraft Industry Group Co Ltd
Current assignee: Shenyang Aircraft Industry Group Co Ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2023-06-27
Anticipated expiration: 2042-07-07
Also published as: CN115156945A

Abstract

The invention provides a lateral flexible pressing device capable of rotating at any angle, belongs to the field of machining, and can provide safe and reliable lateral pressing for airplane die forgings with various specifications and sizes and different shapes. The invention forms a lateral flexible compression unit by matching the single-port vice, the flexible clamping system and the rotatable zipper structure with any angle, and realizes lateral compression of forging and casting products with various specifications and different shapes by matching the lateral flexible compression unit with the positioning support seat, the adjustable support nails and the working platform matched with self-design, thereby achieving the purpose of replacing special tools. The invention has the advantages of simple and reliable manufacture, low manufacturing cost, high universalization degree and high clamping efficiency, can realize the reliable processing of various forging castings, and is expected to save about 20 sets of special process equipment every year. The invention has convenient installation, can realize quick replacement, is safe and reliable, and is applied to actual production and processing of qualified product pieces.

Description

Lateral flexible pressing device capable of rotating at any angle

Technical Field

The invention belongs to the field of machining, and relates to a lateral flexible pressing device capable of rotating at any angle, which can provide safe and reliable lateral pressing for airplane die forgings with various specifications and sizes and different shapes.

Background

In the field of aviation manufacturing, the application of blank pieces such as forging and casting is wider, the semi-finishing and finishing demands of multi-type forging and casting are more, in order to improve the processing efficiency, the die forgings and castings with different shapes and specifications are processed and produced by an airplane, and the numerical control milling processing is completed by a specific special lateral pressing tool matched with specific parts, so that the problems of more special tools, occupying a storehouse, high production cost and the like exist, and the finished product of the existing indexing table has the problems of high price, poor universality, heavy structure, limited use and the like.

Therefore, a universal adjustable low-cost and high-efficiency device capable of realizing lateral compression at any angle is needed, and the purposes of self-adapting lateral compression of forgings and castings in different specification ranges, replacing a large number of special tools and improving quality and efficiency are achieved.

Currently, the adjustable compaction on the linear guide rail can be realized by matching with a multi-spring-column flexible positioning tool and a single-jaw vice tool, and the application situation is limited. The invention is applied to the machine tool workbench or the workbench with the trapezoid groove and the matched use of the technology can effectively solve the manufacturing difficulty.

Disclosure of Invention

In order to solve the problems, the invention provides a lateral flexible pressing device capable of rotating at any angle, which can be used for a lateral pressing scheme of forging and casting products with multiple specifications and different shapes.

In order to achieve the above purpose, the technical scheme of the invention is as follows:

the utility model provides a flexible closing device of side direction of rotatable arbitrary angle, the device includes platform 1, angle connecting seat 2, supporting seat 3, keysets 4, connecting plate 5, apron 6, baffle 7, drive screw 8, adjustable support nail 9, spanner 10, pivot screw 11, inside and outside hexagonal screw 12, T slot nut 13, connecting screw 14, rings screw 15, location supporting seat 16, single-port pincers 17 and flexible holder 18.

The platform 1 is provided with T-shaped grooves which are uniformly distributed and parallel to each other and a screw hole matrix which is arranged in a standard size, wherein the screw hole matrix is arranged on the structure of the platform 1 between two adjacent T-shaped grooves; the lifting screw 15 is arranged at the angle 4 of the platform 1 and is used for lifting the device; the positioning support seat 16 and the adjustable support screw 9 are connected with threaded holes on the platform 1 through threads, the positions of the positioning support seat 16 and the adjustable support screw 9 are distributed according to the shape of a product, wherein the positioning support seat 16 is 3 pieces in total, the positioning support seat 16 is generally fixedly arranged according to a three-point one-surface method, and the adjustable support screw 9 is arranged according to the auxiliary support requirement of the product.

The angle connecting seat 2, the supporting seat 3, the adapter plate 4, the connecting plate 5, the cover plate 6, the guide plate 7, the driving screw 8, the shaft pin screw 11, the inner and outer hexagon screws 12, the T-shaped slot nut 13, the connecting screw 14, the single-port movable clamp 17 and the flexible clamp 18 form a lateral flexible compression unit; the front end of the flexible clamp 18 is provided with an elastic contact which can be locked to realize the protection, the tail end of the elastic contact is connected with the jaw of the single-port movable clamp 17 through the adapter plate 4, the connecting plate 5 and the connecting screws 14 with different specifications, and the jaw of the single-port movable clamp 17 can drive the flexible clamp 18 to stretch forwards and backwards to clamp or loosen a workpiece; the single-port movable clamp 17 is connected with the top end of the angle connecting seat 2 through a flat key of an accessory self-contained on the single-port movable clamp 17 by a shaft pin screw 11; the angle connecting seat 2 is welded together by a step rotating shaft and an angled Z-shaped plate, the step rotating shaft is fixed below the Z-shaped plate, wherein a coaxial circular groove is formed in the rotating shaft part of the step rotating shaft, the Z-shaped angle of the Z-shaped plate is controlled to be about 5 degrees, a single-mouth movable clamp 17 is connected to the inclined surface of the Z-shaped plate, the jaw of the single-mouth movable clamp 17 is downward during assembly, and component forces in the inward and downward directions can be generated when the single-mouth movable clamp 17 is clamped so as to ensure that a product blank is reliably compressed; the bottom surface of the supporting seat 3 is provided with T-shaped square through grooves which are symmetrical along the center, the T-shaped square through grooves are divided into small-end through grooves and large-end through grooves according to the size of a notch, the small-end through grooves are arranged above the large-end through grooves, arc-shaped round grooves are formed in the inner sides of the small-end through grooves at two ends of the small-end through grooves, a central round through hole is formed in the direction perpendicular to the bottom surface of the supporting seat 3, and a rotating shaft of the angle connecting seat 2 is inserted into the central round through hole of the supporting seat 3 to form rotary fit, so that the angle connecting seat 2 can rotate at any angle; the cover plate 6 is of a plate-shaped structure with bosses at two ends, a circular through hole is formed in the center of the bottom plate, the diameter of the circular through hole is the same as that of the central circular through hole on the supporting seat 3, the cover plate 6 is arranged in a large-end through groove on the supporting seat 3 and is connected through screws, at the moment, the bosses at two ends of the cover plate 6 are inserted into two ends of a small-end through groove on the supporting seat 3, so that square holes are formed between the bottom plate of the cover plate 6 and the small-end through groove on the supporting seat 3, and meanwhile, the circular through hole in the center of the cover plate 6 is coaxial with the central circular through hole on the supporting seat 3; the bosses at two ends of the cover plate 6 are provided with a U-shaped groove and a circular ring groove which are coaxial, the circular ring groove is positioned in the middle of the U-shaped groove and has a diameter larger than that of the U-shaped groove, and the circular ring groove and the arc-shaped circular groove at two ends of the through groove at the small end on the supporting seat 3 are opposite to form a whole circular ring groove; the two driving screws 8 respectively penetrate through the U-shaped grooves on the bosses at the two ends of the cover plate 6 from the two ends and then are inserted into square holes formed by the supporting seat 3 and the cover plate 6, and the steps of the two driving screws 8 are respectively arranged in the annular grooves formed by the supporting seat 3 and the bosses at the two ends of the cover plate 6, so that the driving screws 8 can rotate in the square through holes and are fixed with the relative positions between the supporting seat 3 and the cover plate 6; the guide plate 7 is of a block structure, a threaded round through hole is formed in the center line of the guide plate 7, a wedge-shaped opening is formed in the front end of the guide plate 7, the V-shaped opening is symmetrical along the center line of the guide plate 7, the guide plate 7 is provided with two square holes which are respectively arranged at two ends in the square holes formed by the support seat 3 and the cover plate 6, the wedge-shaped opening of the guide plate 7 is oppositely arranged inwards towards the bottom surface direction of the support seat 3 during installation, and the square holes formed by the support seat 3 and the cover plate 6 are in clearance sliding fit with the guide plate 7; the tail end of the driving screw 8 is inserted into a circular through hole of the guide plate 7, the two are connected through threads, and the driving screw 8 is rotated to control the guide plate 7 to slide in a square hole formed by the supporting seat 3 and the cover plate 6; the annular groove on the rotating shaft of the angle connecting seat 2 corresponds to the small end through groove on the supporting seat 3, the bottom surface of the annular groove is slightly higher than the bottom surface of a square hole formed by the supporting seat 3 and the cover plate 6, so that a boss is formed; the four U-shaped groove notches are arranged in a shape like a Chinese character 'I', the four inner and outer hexagon screws 12 are respectively matched with the four T-shaped groove nuts 13 through the U-shaped grooves, the four pairs of T-shaped groove nuts 13 and the inner and outer hexagon screws 12 are firstly arranged in the T-shaped grooves of the positioning support seat 16 during installation, the notches of the U-shaped grooves at the four corners of the support seat 3 are aligned with the four inner and outer hexagon screws 12 which are arranged in a vertical mode, the U-shaped grooves are clamped into the inner and outer hexagon screws 12 through the U-shaped grooves, and rapid installation of the lateral flexible compression units is achieved.

The wrench 10 is a special wrench, and comprises a wrench head and a handle, wherein the wrench head and the handle are arranged in an L shape, the wrench 10 is used for rotating an inner hexagonal screw 12, an outer hexagonal screw 12 and a T-shaped groove nut 13 to fasten a lateral flexible compression unit and the platform 1 together, and the wrench head is short and is convenient to operate and use in a narrow space.

Further, the groove depth on the wedge surface of the guide plate 7 is 0.6-1mm.

The application method of the lateral flexible pressing device capable of rotating at any angle comprises the following steps:

1. positioning support seats 16 are distributed according to the appearance of the product forging and the process positioning requirements, and adjustable support nails 9 are distributed according to the requirements.

2. Placing the product forging and casting on a positioning support seat 16, placing four lateral flexible compression units to preliminarily determine the installation positions of the product forging and casting, screwing the inner hexagon screw 12, the outer hexagon screw 12 and the T-shaped groove nut 13 by using a special spanner 10, determining the installation positions of the inner hexagon screw 12 and the T-shaped groove nut 13 according to the preliminary installation positions of the lateral flexible compression units, and simultaneously, leaving a certain compression amount to facilitate the subsequent compression of the product forging and casting; the U-shaped groove openings at four corners of the lateral flexible compression unit are aligned with the inner hexagon screw 12 and rotated, and the lateral flexible compression unit and the platform 1 are fastened together.

3. The elastic contact matrix on the flexible clamp 18 at the front end of the lateral flexible pressing unit is tightly attached to the appearance of the workpiece, and the elastic contact of the flexible clamp 18 is locked to realize shape retention.

4. The jaws of the single-opening movable pliers 17 are driven to push the flexible clamp 18 to press the product forging and casting, and the maximum upper plane or groove can be machined at the moment.

The invention has the beneficial effects that:

1. the invention has the advantages of simple and reliable manufacture, low manufacturing cost, high universalization degree and high clamping efficiency, can realize the reliable processing of various forging castings, and is expected to save about 20 sets of special process equipment every year.

2. The U-shaped grooves on the four corners of the supporting seat 3 are distributed in a swastika shape, and are matched with a workbench for use and installation conveniently, so that quick replacement and installation can be realized.

3. The invention is applied to actual production at present, is mainly applied to processing of multi-machine forging casting blanks of military machines, and is safe and reliable in technology, and qualified product pieces are processed.

Drawings

FIG. 1 is a schematic diagram of the overall axial view of the device of the present invention.

Fig. 2 (a) is a schematic diagram of a lateral flexible compression unit.

Fig. 2 (b) is a cross-sectional view of the lateral flexible compacting unit A-A.

Fig. 3 is a schematic view of typical components of the device according to the present invention, wherein (a) is a side view of the guide plate 7, (b) is a top view of the guide plate 7, (C) is a sectional view of the angle connection base 2C-C, (d) is a structural schematic view of the angle connection base 2, (e) is a structural schematic view of the support base 3, (F) is a sectional view of the support base 3F-F, (g) is a sectional view of the cover plate 6H-H, and (H) is a structural schematic view of the cover plate 6.

In the figure: 1, a platform; 2, an angle connecting seat; 3, a supporting seat; 4, an adapter plate; 5, connecting plates; 6 cover plates and 7 guide plates; 8, driving a screw; 9 adjustable support nails; a 10 wrench; 11 shaft pin screws; 12 inner and outer hexagon screws; 13T-slot nuts; 14 connecting screws; 15 lifting ring screws; 16 positioning a supporting seat; 17 single-port movable pliers; 18 flexible grippers.

Detailed Description

The invention is further illustrated below with reference to specific examples.

Examples

As shown in fig. 1, the device comprises a platform 1, an angle connecting seat 2, a supporting seat 3, an adapter plate 4, a connecting plate 5, a cover plate 6, a guide plate 7, a driving screw 8, an adjustable supporting nail 9, a spanner 10, a shaft pin screw 11, an inner hexagonal screw 12, an outer hexagonal screw 12, a T-shaped groove nut 13, a connecting screw 14, a lifting ring screw 15, a positioning supporting seat 16, a single-port movable clamp 17 and a flexible clamp 18.

As shown in fig. 2 (a), 2 (b) and 3 (a) to 3 (h), the angle connecting seat 2, the supporting seat 3, the adapter plate 4, the connecting plate 5, the cover plate 6, the guide plate 7, the driving screw 8, the shaft pin screw 11, the inner and outer hexagon screw 12, the T-shaped slot nut 13, the connecting screw 14, the single-acting pliers 17 and the flexible clamp 18 form a lateral flexible compression unit; the front end of the flexible clamp 18 is provided with an elastic contact which can be locked to realize the protection, the tail end of the elastic contact is connected with the jaw of the single-port movable clamp 17 through the adapter plate 4, the connecting plate 5 and the connecting screws 14 with different specifications, and the jaw of the single-port movable clamp 17 can drive the flexible clamp 18 to stretch forwards and backwards to clamp or loosen a workpiece; the single-port movable clamp 17 is connected with the top end of the angle connecting seat 2 through a flat key of an accessory self-contained on the single-port movable clamp 17 by a shaft pin screw 11; the angle connecting seat 2 is welded together by a step rotating shaft and an angled Z-shaped plate, the step rotating shaft is fixed below the Z-shaped plate, wherein a coaxial circular groove is formed in the rotating shaft part of the step rotating shaft, the Z-shaped angle of the Z-shaped plate is controlled to be about 5 degrees, a single-mouth movable clamp 17 is connected to the inclined surface of the Z-shaped plate, the jaw of the single-mouth movable clamp 17 is downward during assembly, and component forces in the inward and downward directions can be generated when the single-mouth movable clamp 17 is clamped so as to ensure that a product blank is reliably compressed; the bottom surface of the supporting seat 3 is provided with T-shaped square through grooves which are symmetrical along the center, the T-shaped square through grooves are divided into small-end through grooves and large-end through grooves according to the size of a notch, the small-end through grooves are arranged above the large-end through grooves, arc-shaped round grooves are formed in the inner sides of the small-end through grooves at two ends of the small-end through grooves, a central round through hole is formed in the direction perpendicular to the bottom surface of the supporting seat 3, and a rotating shaft of the angle connecting seat 2 is inserted into the central round through hole of the supporting seat 3 to form rotary fit, so that the angle connecting seat 2 can rotate at any angle; the cover plate 6 is of a plate-shaped structure with bosses at two ends, a circular through hole is formed in the center of the bottom plate, the diameter of the circular through hole is the same as that of the central circular through hole on the supporting seat 3, the cover plate 6 is arranged in a large-end through groove on the supporting seat 3 and is connected through screws, at the moment, the bosses at two ends of the cover plate 6 are inserted into two ends of a small-end through groove on the supporting seat 3, so that square holes are formed between the bottom plate of the cover plate 6 and the small-end through groove on the supporting seat 3, and meanwhile, the circular through hole in the center of the cover plate 6 is coaxial with the central circular through hole on the supporting seat 3; the bosses at two ends of the cover plate 6 are provided with a U-shaped groove and a circular ring groove which are coaxial, the circular ring groove is positioned in the middle of the U-shaped groove and has a diameter larger than that of the U-shaped groove, and the circular ring groove and the arc-shaped circular groove in the through groove at the small end on the supporting seat 3 are opposite to form a whole circular ring groove; the two driving screws 8 respectively penetrate through the U-shaped grooves on the bosses at the two ends of the cover plate 6 from the two ends and then are inserted into square holes formed by the supporting seat 3 and the cover plate 6, and the steps of the two driving screws 8 are respectively arranged in the annular grooves formed by the supporting seat 3 and the bosses at the two ends of the cover plate 6, so that the driving screws 8 can rotate in the square through holes and are fixed with the relative positions between the supporting seat 3 and the cover plate 6; the guide plate 7 is of a block structure, a threaded round through hole is formed in the center line of the guide plate 7, a wedge-shaped opening is formed in the front end of the guide plate 7, the V-shaped opening is symmetrical along the center line of the guide plate 7, the guide plate 7 is provided with two square holes which are respectively formed by the support seat 3 and the cover plate 6, the wedge-shaped opening of the guide plate 7 is oppositely arranged inwards towards the bottom surface direction of the support seat 3 during installation, and the square holes formed by the support seat 3 and the cover plate 6 are in clearance sliding fit with the guide plate 7; the tail end of the driving screw 8 is inserted into a circular through hole of the guide plate 7, the two are connected through threads, and the driving screw 8 is rotated to control the guide plate 7 to slide in a square hole formed by the supporting seat 3 and the cover plate 6; the annular groove on the rotating shaft of the angle connecting seat 2 corresponds to the small-end through groove in position, the bottom surface of the annular groove is slightly higher than the bottom surface of a square hole formed by the supporting seat 3 and the cover plate 6, so that a boss is formed; the supporting seat 3 on do not make the both sides outside of T type square through groove all be equipped with platelike structure, every platelike structure both ends are that supporting seat 3 bottom surface four corners is equipped with the U type groove of perpendicular to bottom surface direction, the notch direction of two adjacent U type grooves is mutually perpendicular, four U type groove notches are the font of swastigmating and arrange, inside and outside hexagonal screw 12 passes through U type groove, cooperate with T type slot nut 13, fix the T type inslot on platform 1 with the flexible compression unit of side direction, during the installation, install the T type inslot of locating supporting seat 16 with four pairs of T type slot nuts 13 and inside and outside hexagonal screw 12 earlier, aim at four inside and outside hexagonal screw 12 of installation with the notch of the U type groove in supporting seat 3 four corners again, rotate the flexible compression unit of whole side direction and make U type groove card go into on inside and outside hexagonal screw 12, realize the quick installation of the flexible compression unit of side direction, reverse operation can realize dismantling.

Further, the groove depth on the wedge surface of the guide plate 7 is 0.8mm.

The examples described above represent only embodiments of the invention and are not to be understood as limiting the scope of the patent of the invention, it being pointed out that several variants and modifications may be made by those skilled in the art without departing from the concept of the invention, which fall within the scope of protection of the invention.

Claims

1. The lateral flexible pressing device capable of rotating at any angle is characterized by comprising a platform (1), an angle connecting seat (2), a supporting seat (3), an adapter plate (4), a connecting plate (5), a cover plate (6), a guide plate (7), a driving screw (8), an adjustable supporting screw (9), a spanner (10), a shaft pin screw (11), an inner hexagonal screw (12), an outer hexagonal screw (12), a T-shaped groove nut (13), a connecting screw (14), a lifting ring screw (15), a positioning supporting seat (16), a single-port movable clamp (17) and a flexible clamp holder (18);

the platform (1) is provided with T-shaped grooves which are uniformly distributed and parallel to each other and a screw hole matrix which is arranged in a standard size, wherein the screw hole matrix is arranged on the structure of the platform (1) between two adjacent T-shaped grooves; the lifting screw (15) is arranged at the 4 corners of the platform (1) and is used for lifting the device; the positioning support seat (16) and the adjustable support screw (9) are connected with threaded holes on the platform (1) through threads, the positions of the positioning support seat and the adjustable support screw are distributed according to the shape of a product, wherein the positioning support seat (16) shares 3 pieces, the positioning support seat and the adjustable support screw (9) are generally fixedly arranged according to a three-point one-surface method, and the adjustable support screw (9) is arranged according to the auxiliary support requirement of the product;

the lateral flexible compression unit is composed of an angle connecting seat (2), a supporting seat (3), an adapter plate (4), a connecting plate (5), a cover plate (6), a guide plate (7), a driving screw (8), a shaft pin screw (11), an inner hexagonal screw (12), an outer hexagonal screw (12), a T-shaped groove nut (13), a connecting screw (14), a single-port movable clamp (17) and a flexible clamp holder (18); the front end of the flexible clamp holder (18) is provided with an elastic contact, the elastic contact can be locked to realize shape retention, the tail end of the elastic contact is connected to the jaw of the single-port movable clamp (17) through the adapter plate (4), the connecting plate (5) and the connecting screws (14) with different specifications, and the jaw of the single-port movable clamp (17) can drive the flexible clamp holder (18) to stretch forwards and backwards to clamp or loosen a workpiece; the single-port movable clamp (17) is connected with the top end clamping of the angle connecting seat (2) through a shaft pin screw (11) and an accessory flat key on the single-port movable clamp (17); the angle connecting seat (2) is welded together by a step rotating shaft and an angled Z-shaped plate, the step rotating shaft is fixed below the Z-shaped plate, wherein a coaxial circular groove is formed in the rotating shaft part of the step rotating shaft, the Z-shaped angle of the Z-shaped plate is controlled to be about 5 degrees, a single-mouth-operated clamp (17) is connected to the inclined surface of the Z-shaped plate, the jaw of the single-mouth-operated clamp (17) is downward during assembly, and component force in two directions of inward and downward can be generated when the single-mouth-operated clamp (17) is clamped so as to ensure that a product blank is reliably compressed; the bottom surface of the supporting seat (3) is provided with T-shaped square through grooves which are symmetrical along the center, the T-shaped square through grooves are divided into small-end through grooves and large-end through grooves according to the size of the groove opening, the small-end through grooves are arranged above the large-end through grooves, arc-shaped round grooves are formed in the inner sides of the small-end through grooves, the supporting seat (3) is provided with a center round through hole perpendicular to the bottom surface, and a rotating shaft of the angle connecting seat (2) is inserted into the center round through hole of the supporting seat (3) to form rotary fit, so that the angle connecting seat (2) can rotate at any angle; the cover plate (6) is of a plate-shaped structure with bosses at two ends, a circular through hole is formed in the center of the bottom plate, the diameter of the circular through hole is the same as that of a central circular through hole on the supporting seat (3), the cover plate (6) is arranged in a large-end through groove on the supporting seat (3) and is connected through screws, at the moment, the bosses at two ends of the cover plate (6) are inserted into two ends of a small-end through groove on the supporting seat (3), so that square holes are formed between the bottom plate of the cover plate (6) and the small-end through groove on the supporting seat (3), and meanwhile, the circular through hole in the center of the cover plate (6) is coaxial with the central circular through hole on the supporting seat (3); the bosses at two ends of the cover plate (6) are provided with a U-shaped groove and a circular ring groove which are coaxial, the circular ring groove is positioned in the middle of the U-shaped groove and has a diameter larger than that of the U-shaped groove, and the circular ring groove and the arc-shaped circular groove at two ends of the through groove at the small end on the supporting seat (3) are opposite to form a whole circular ring groove; the two driving screws (8) respectively penetrate through U-shaped grooves on bosses at two ends of the cover plate (6) from two ends and then are inserted into square holes formed by the supporting seat (3) and the cover plate (6), and step parts of the two driving screws (8) are respectively arranged in annular grooves formed by the supporting seat (3) and bosses at two ends of the cover plate (6), so that the driving screws (8) can rotate in the square through holes and are fixed with the relative positions between the supporting seat (3) and the cover plate (6); the guide plate (7) is of a block structure, a threaded round through hole is formed in the center line of the guide plate (7), a wedge-shaped opening is formed in the front end of the guide plate, the V-shaped opening is symmetrical along the center line of the guide plate (7), the guide plate (7) is provided with two ends which are respectively arranged in square holes formed by the supporting seat (3) and the cover plate (6), the wedge-shaped opening of the guide plate (7) is oppositely arranged towards the bottom surface direction of the supporting seat (3) and inwards towards the V-shaped opening during installation, and the square holes formed by the supporting seat (3) and the cover plate (6) are in clearance sliding fit with the guide plate (7); the tail end of the driving screw (8) is inserted into a round through hole of the guide plate (7), the driving screw and the guide plate are connected through threads, and the driving screw (8) is rotated to control the guide plate (7) to slide in a square hole formed by the supporting seat (3) and the cover plate (6); the annular groove on the rotating shaft of the angle connecting seat (2) corresponds to the small end through groove on the supporting seat (3), the bottom surface of the annular groove is slightly higher than the bottom surface of a square hole formed by the supporting seat (3) and the cover plate (6), so that a boss is formed, when the angle connecting seat is used, the front ends of V-shaped openings of two guide plates (7) are driven to be inserted into the annular groove on the angle connecting seat (2) by rotating two driving screws (8), the wedge-shaped surface of the guide plates (7) is contacted with a boss shoulder formed by the bottom surface of the annular groove of the angle connecting seat (2), downward force is applied to the angle connecting seat (2) through the wedge-shaped surface of the guide plates (7), and therefore the angle connecting seat (2) is fixed, and a plurality of equidistant grooves are formed on the wedge-shaped surface of the guide plates (7) and are used for increasing friction force between the wedge-shaped surface of the guide plates and the angle connecting seat (2); the two sides of the bottom surface of the supporting seat (3) are not provided with plate-shaped structures, two ends of each plate-shaped structure, namely, four corners of the bottom surface of the supporting seat (3) are provided with U-shaped grooves perpendicular to the bottom surface, the notch directions of two adjacent U-shaped grooves are mutually perpendicular, the four U-shaped groove notches are arranged in a shape like a Chinese character 'mu', four inner and outer hexagon screws (12) are respectively matched with the four T-shaped groove nuts (13) through the U-shaped grooves, the lateral flexible compression units are fixed in the T-shaped grooves on the platform (1), when the lateral flexible compression units are installed, the four pairs of T-shaped groove nuts (13) and the inner and outer hexagon screws (12) are firstly installed in the T-shaped grooves of the positioning supporting seat (16), then the notches of the U-shaped grooves at the four corners of the supporting seat (3) are aligned with the installed four inner and outer hexagon screws (12), and the U-shaped grooves are clamped into the inner hexagon screws (12) through the four U-shaped grooves, and the whole assembled lateral flexible compression units are rotated, so that rapid installation of the lateral flexible compression units can be realized, and rapid disassembly can be realized by reverse operation.

The wrench (10) is a special wrench and comprises a wrench head and a handle, the wrench head and the handle are in L-shaped arrangement, the wrench (10) is used for rotating an inner hexagonal screw (12) and an outer hexagonal screw (13) and a T-shaped groove nut (13) to fasten a lateral flexible compression unit and the platform (1) together, and the wrench head is short in part and convenient to operate and use in a narrow space.

2. A laterally flexible compression device according to claim 1, characterized in that the groove depth on the wedge surface of the guide plate (7) is 0.6-1mm.