CN222020433U - Double-side end sealing machine with automatic cutter splicing device - Google Patents

Abstract

The utility model discloses a double-side end sealing machine with an automatic cutter splicing device, which comprises a plurality of first cutters which are sequentially arranged through a first adjusting cutter group; the first tool changing driving device is arranged on the tool rest and drives a corresponding number of first tools to turn up and down; the second cutter group comprises a plurality of second cutters which are transversely and sequentially arranged; the second tool changing driving device is arranged on the tool rest and drives a corresponding number of second tools to transversely move back and forth; when bending, the first cutters of corresponding quantity can be turned upwards according to actual demands, and the second cutters of corresponding quantity can move towards the fixed cutters, and the cutters with required length are formed together with the fixed cutters, so that the whole cutter changing process is higher in automation degree, manual participation is not needed, labor intensity is reduced, the whole cutter changing and machining efficiency are greatly improved, cutters with different sizes are not needed to be customized, and the use cost of equipment is reduced.

Description

Double-side end sealing machine with automatic cutter splicing device

Technical Field

The utility model relates to the technical field of bending machines, in particular to a double-side end sealing machine with an automatic cutter splicing device.

Background

The bending machine is a machine capable of bending a thin plate, and the structure of the bending machine mainly comprises a frame, a hydraulic system, an electrical system, a sliding block mechanism, a synchronous mechanism, an upper die mechanism, a lower die mechanism, a rear blocking material, a front supporting material rack and the like. The upper die mechanism and the lower die mechanism comprise an upper pressing cutter assembly and a lower bending die, and the corresponding upper and lower bending dies are customized according to different bending requirements, so that the corresponding bending processing process is completed, and the end sealing machine also belongs to a bending machine.

When the existing end sealing machine is used for bending and forming in different sizes, cutters in different sizes are required to be replaced frequently, the existing replacement cutters are replaced by manpower, and the labor intensity of workers for replacing the cutters is high due to the fact that the weight of the cutters is high; aiming at different bending shapes and sizes, cutters with different sizes are customized, so that a great deal of manpower and material resources are wasted, the processing efficiency is affected, the use cost of equipment is increased, and therefore, a new technical scheme is necessary to be researched to solve the problems.

Disclosure of utility model

In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its main objective is to provide a double-sided sealing machine with an automatic cutter splicing device, which can effectively solve the problems of high labor intensity, influence on processing efficiency and high use cost in the cutter-changing process of the existing bending machine.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

A bilateral end sealing machine with an automatic cutter splicing device comprises a frame, a cutter rest, a fixed cutter, a first adjusting cutter set, a first cutter changing driving device, a second adjusting cutter set, a second cutter changing driving device, a cutter rest driving device, a bending plate and a bending driving device; the frame is provided with a supporting table; the tool rest can be movably arranged on the frame up and down and is positioned right above the supporting table; the fixed tool is fixed on the tool rest; the first adjusting cutter group can be arranged on the cutter rest in a vertically back-and-forth turning way and is positioned beside the fixed cutter, and comprises a plurality of first cutters which are sequentially arranged; the first tool changing driving device is arranged on the tool rest and drives a corresponding number of first tools to turn up and down; the second adjusting cutter group can be transversely and reciprocally movably arranged on the cutter rest and is positioned beside the first adjusting cutter group, and the second cutter group comprises a plurality of second cutters which are transversely and sequentially arranged; the second tool changing driving device is arranged on the tool rest and drives a corresponding number of second tools to transversely move back and forth; the tool rest driving device is arranged on the frame and drives the tool rest to move up and down back and forth; the two bending plates are arranged in front and back, can be arranged on the frame in a back and forth movable way and are positioned on the front side and the back side of the supporting table; the two bending driving devices are arranged on the frame and drive the corresponding bending plates to move up and down.

As a preferable scheme, the left side and the right side of the tool rest are respectively provided with guide parts matched with the guide grooves, and the tool rest moves back and forth up and down along the guide grooves through the matching of the guide parts and the guide grooves.

As a preferable scheme, the tool rest driving device comprises a servo motor, a first transmission rod, an eccentric wheel and a second transmission rod; the servo motor is arranged on the frame, the number of the first transmission rods is two symmetrically arranged left and right, and the two first transmission rods are respectively connected with the output end of the servo motor and driven by the servo motor to rotate back and forth; the eccentric wheels are arranged in two ways, and each eccentric wheel is arranged at the outer end of the corresponding first transmission rod and rotates back and forth along with the first transmission rod; the two second transmission rods are arranged, one end of each second transmission rod is connected with the eccentric wheel and driven by the eccentric wheel to move back and forth up and down, and the other end of each first transmission rod is connected with two ends of the tool rest and drives the tool rest to move back and forth up and down.

As a preferable scheme, the first tool changing driving device comprises a mounting seat, a movable frame, a first driving mechanism, a turning shaft, a movable shaft and a second driving mechanism; the mounting seat is arranged on the tool rest and positioned beside the first adjusting tool group, and is provided with a containing groove; the movable frame can be transversely and movably arranged on the mounting seat back and forth; the first driving mechanism is arranged on the mounting seat and drives the movable frame to move back and forth; the turnover shaft can be arranged on the movable frame in a turnover way and can transversely move back and forth along with the movable frame; the movable shaft is arranged at the outer end of the turnover shaft and moves back and forth along with the turnover shaft, the turnover shaft can turn back and forth relative to the movable shaft, and the second driving mechanism is arranged on the movable frame and drives the turnover shaft to rotate back and forth; the plurality of first cutters are hung on the movable shaft and the turnover shaft and are positioned in the accommodating groove, the plurality of first cutters are clamped in or separated from the turnover shaft along with the movement of the movable shaft and the turnover shaft, and the first cutters clamped in the turnover shaft are driven by the turnover shaft to turn up and down.

As a preferable scheme, be provided with first spacing portion on the first cutter, the tilting shaft indent is equipped with first spacing portion complex first spacing groove, and the removal axle indent is equipped with and first spacing portion complex second spacing groove, and first cutter goes into or breaks away from the tilting shaft through the cooperation card of first spacing portion and first spacing groove and second spacing groove, and the accommodation groove lateral wall epirelief is equipped with and second spacing groove complex second spacing portion.

As a preferable scheme, a limit head and a limit head driving mechanism are arranged in each second cutter, and the limit head is movably arranged at the upper end of the second cutter up and down; the limiting head driving mechanism is arranged in the second cutter and drives the limiting head to move up and down.

As a preferred scheme, the second tool changing driving device comprises a movable rod and a third driving mechanism, wherein the movable rod transversely extends and can be transversely and reciprocally movably arranged on the tool rest, the movable rod is positioned above a plurality of second tools, a plurality of transversely arranged grooves are integrally and inwards concavely arranged on the lower end surface of the movable rod, and each groove corresponds to the corresponding position of the limiting head; the third driving mechanism is arranged on the tool rest and drives the movable rod to transversely move back and forth.

As a preferable scheme, the fixed cutter comprises a first main body and a first cutter assembly, wherein the first main body is fixedly arranged on the cutter rest, and the first cutter assembly is obliquely and slidably arranged outside the lower end of the first main body towards the first main body.

As a preferable scheme, the knife rest is provided with a knife retracting assembly, the knife retracting assembly is positioned between the first adjusting knife set and the second adjusting knife set, the knife retracting assembly comprises a second main body, a second knife splicing assembly and a fifth driving mechanism, and the second main body is arranged on the knife rest; the second cutter assembly can be arranged on the second main body in a vertically back-and-forth movable mode and is located beside the lower end of the second main body, and the fifth driving mechanism is arranged on the second main body and drives the second cutter assembly to move vertically back-and-forth.

As a preferable scheme, the tool rest is provided with a pressing component, and the pressing component comprises a pressing head and a fourth driving mechanism; the pressing head can be arranged on the tool rest in a vertically back-and-forth turnover manner and corresponds to the position of the first adjusting tool group; the fourth driving mechanism is arranged on the tool rest and drives the turnover head to turn up and down.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:

The first adjusting tool group comprises a plurality of first tools which are sequentially arranged; the first tool changing driving device is arranged on the tool rest and drives a corresponding number of first tools to turn up and down; the second cutter group comprises a plurality of second cutters which are transversely and sequentially arranged; the second tool changing driving device is arranged on the tool rest and drives a corresponding number of second tools to transversely move back and forth; when bending, the first cutters of corresponding quantity can be turned upwards according to actual demands, and the second cutters of corresponding quantity can move towards the fixed cutters, and the cutters with required length are formed together with the fixed cutters, so that the whole cutter changing process is higher in automation degree, manual participation is not needed, labor intensity is reduced, the whole cutter changing and machining efficiency are greatly improved, cutters with different sizes are not needed to be customized, and the use cost of equipment is reduced.

In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic perspective view of a preferred embodiment of the present utility model;

FIG. 2 is a partially assembled schematic illustration of a preferred embodiment of the present utility model;

FIG. 3 is another partially assembled schematic illustration of the preferred embodiment of the present utility model;

FIG. 4 is a schematic view of a further partial assembly of a preferred embodiment of the present utility model;

FIG. 5 is a schematic perspective view of a first adjusting tool set according to a preferred embodiment of the present utility model;

FIG. 6 is a schematic view of a first adjusting tool set partially assembled according to a preferred embodiment of the present utility model;

FIG. 7 is a schematic perspective view of a first tool according to the preferred embodiment of the utility model;

Fig. 8 is a schematic perspective view of a second cutter according to a preferred embodiment of the present utility model.

The attached drawings are used for identifying and describing:

a. frame 101a, guide groove

11A, support table 10, tool rest

11. Compression assembly 111 and compression head

112. Fourth driving mechanism 12, retracting knife assembly

121. Second body 122, second jigsaw

123. Fifth driving mechanism 13, guide portion

20. Fixed cutter 21, first body

22. First splicing element 30 and first adjusting cutter set

31. First cutter 32, first limit part

40. First tool changing driving device 401 and accommodating groove

402. First limit groove 403, second limit groove

41. Mounting base 42 and movable frame

43. First driving mechanism 44, turning shaft

45. Movable shaft 46, second driving mechanism

47. Second limiting part 50 and second adjusting cutter set

51. Second cutter 52 and limiting head

60. Second tool changing driving device 601 and groove

61. Movable rod 62, third driving mechanism

70. Knife rest driving device 71 and servo motor

72. First transmission rod 73, eccentric wheel

74. Second transmission rod 80 and bending plate

90. And a bending driving device.

Detailed Description

Referring to fig. 1 to 8, a specific structure of a preferred embodiment of the present utility model is shown, wherein the structure comprises a frame a, a tool rest 10, a fixed tool 20, a first adjusting tool set 30, a first tool changing driving device 40, a second adjusting tool set 50, a second tool changing driving device 60, a tool rest driving device 70, a bending plate 80 and a bending driving device 90.

The frame a is provided with a supporting table 11a; in this embodiment, guide grooves 101a extending up and down are symmetrically disposed on the frame a.

The tool rest 10 is movably arranged on the frame a in a back and forth manner and is positioned right above the supporting table 11 a; in this embodiment, the left and right sides of the tool rest 10 are respectively provided with a guiding portion 13 that is matched with the guiding groove 101a, and the tool rest 10 moves back and forth along the guiding groove 101a through the matching of the guiding portion 13 and the guiding groove 101a, so that the stability of the up and down moving process of the tool rest 10 is ensured.

The fixed cutter 20 is fixed on the cutter frame 10; in this embodiment, a pressing assembly 11 is disposed on the tool holder 10, and the pressing assembly 11 includes a pressing head 111 and a fourth driving mechanism 112; the pressing head 111 is arranged on the tool rest 10 in a vertically reversible manner and corresponds to the position of the first adjusting tool group 30; the fourth driving mechanism 112 is arranged on the tool rest 10 and drives the turnover head 111 to turn up and down; the fixed cutter 20 includes a first main body 21 and a first cutter assembly 22, the first main body 21 is fixedly mounted on the cutter frame 10, the first cutter assembly 22 is disposed at the outer side of the lower end of the first main body 21 in an inclined sliding manner towards the first main body 21, (the sliding connection is a common connection mode in the prior art, which is not described in detail herein), when the bending processing is completed, the cutter frame 10 moves upwards under the driving of an external mechanism, and when the cutter frame 10 moves upwards, the first cutter assembly 22 will scratch the inner side of the first main body 21, thereby shortening the length of the cutter and facilitating the separation of the cutter from the product; the tool rest 10 is provided with a tool retracting assembly 12, the tool retracting assembly 12 is positioned between the first adjusting tool set 30 and the second adjusting tool set 50, the tool retracting assembly 12 comprises a second main body 121, a second assembly 122 and a fifth driving mechanism 123, and the second main body 121 is arranged on the tool rest 10; the second cutter assembly 122 is movably disposed on the second main body 121 and beside the lower end of the second main body 121, and the fifth driving mechanism 123 is disposed on the second main body 121 and drives the second cutter assembly 122 to move back and forth up and down, when the bending process is completed, the fifth driving mechanism 123 drives the second cutter assembly 122 to move upward, and then the second cutter assembly 50 is driven to move toward the second main body 121 by cooperating with the second cutter changing driving device 60, so that the cutter size is shortened from the other side, and the cutter is further conveniently separated from the product.

The first adjusting tool set 30 is disposed on the tool rest 10 and beside the fixed tool 20 in a manner of being capable of being turned back and forth up and down, and the first adjusting tool set 30 comprises a plurality of first tools 31 which are sequentially arranged; in this embodiment, the first cutter 31 is provided with a first limiting portion 32; the pressing head 111 is used for pressing the first tool 31 which is not turned upwards, so as to ensure structural stability during the tool machining process.

The first tool changing driving device 40 is arranged on the tool rest 10 and drives a corresponding number of first tools 31 to turn up and down; in the present embodiment, the first tool changing driving device 40 includes a mounting seat 41, a movable frame 42, a first driving mechanism 43, a tilting shaft 44, a moving shaft 45, and a second driving mechanism 46; the mounting seat 41 is arranged on the tool rest 10 and is positioned beside the first adjusting tool group 30, and the mounting seat 41 is provided with a containing groove 401; the movable frame 42 is movably arranged on the mounting seat 41 in a transverse direction back and forth; the first driving mechanism 43 is disposed on the mounting seat 41 and drives the movable frame 42 to move back and forth; the turning shaft 44 is arranged on the movable frame 42 in a back-and-forth turning manner and moves back and forth along with the movable frame 42 transversely; the movable shaft 45 is arranged at the outer end of the turnover shaft 44 and moves back and forth along with the turnover shaft 44 transversely, the turnover shaft 44 can turn back and forth relative to the movable shaft 45, and the second driving mechanism 46 is arranged on the movable frame 42 and drives the turnover shaft 44 to rotate back and forth; the plurality of first cutters 31 are hung on the moving shaft 45 and the turning shaft 44 and are positioned in the accommodating groove 401, the plurality of first cutters 31 are clamped in or separated from the turning shaft 44 along with the movement of the moving shaft 45 and the turning shaft 44, and the first cutters clamped in the turning shaft 44 are driven by the turning shaft 44 to turn up and down, so that the adjustment process of the cutters with different sizes is realized; the turning shaft 44 is concavely provided with a first limit groove 402 matched with the first limit groove 32, the moving shaft 45 is concavely provided with a second limit groove 403 matched with the first limit groove 32, the first cutter 31 is clamped into or separated from the turning shaft 44 through the matching of the first limit groove 32 with the first limit groove 402 and the second limit groove 403, the side wall of the accommodating groove 401 is convexly provided with a second limit part 47 matched with the second limit groove 403, and the second limit part 47 is used for limiting the moving shaft 45, so that the moving shaft 45 is prevented from turning along with the turning shaft 44.

The second adjusting cutter set 50 is movably arranged on the cutter rest 10 transversely back and forth and is positioned beside the first adjusting cutter set 30, and the second cutter set 50 comprises a plurality of second cutters 51 which are transversely and sequentially arranged; in the present embodiment, a limiting head 52 and a limiting head driving mechanism (not shown) are disposed in each second cutter 51, and the limiting head 52 is movably disposed at the upper end of the second cutter 51 up and down; the limit head driving mechanism (not shown) is disposed in the second cutter 51 and drives the limit head 52 to move up and down.

The second tool changing driving device 60 is arranged on the tool rest 10 and drives a corresponding number of second tools 51 to move back and forth transversely; in this embodiment, the second tool changing driving device 60 includes a movable rod 61 and a third driving mechanism 62, where the movable rod 61 extends transversely and is movably disposed on the tool rest 10 back and forth transversely, the movable rod 61 is located above the plurality of second tools 51, a plurality of transversely arranged grooves 601 are integrally and concavely disposed on the lower end surface of the movable rod 61, and each groove 601 corresponds to the corresponding position of the limiting head 52; the third driving mechanism 62 is disposed on the tool rest 10 and drives the movable rod 61 to move back and forth transversely, the limiting heads 52 in the second cutters 51 move upwards through the corresponding positions and extend into the corresponding grooves 601, and then the third driving mechanism 62 drives the movable rod 61 to move, so that a corresponding number of the second cutters 51 are driven to move.

The tool rest driving device 70 is arranged on the frame a and drives the tool rest 10 to move up and down back and forth; in this embodiment, the tool rest driving device 70 includes a servo motor 71, a first transmission rod 72, an eccentric 73, and a second transmission rod 74; the servo motor 71 is arranged on the frame a, two first transmission rods 72 are symmetrically arranged left and right, and the two first transmission rods 72 are respectively connected with the output end of the servo motor 71 and driven by the servo motor 71 to rotate back and forth; the eccentric wheels 73 are arranged in two, and each eccentric wheel 73 is arranged at the outer end of the corresponding first transmission rod 72 and rotates back and forth along with the first transmission rod 72; the two second transmission rods 74 are arranged, one end of each second transmission rod 74 is connected with the eccentric wheel 73 and driven by the eccentric wheel 73 to move back and forth up and down, the other end of each first transmission rod 74 is respectively connected with two ends of the tool rest 10 and drives the tool rest 10 to move back and forth up and down, the existing screw rod transmission mode is replaced by the cooperation of the servo motor 71 and the eccentric wheel 73, the transmission efficiency is higher, the noise is smaller, and the overall use cost is lower.

The bending plates 80 are arranged in a front-back manner, and the two bending plates 80 can be movably arranged on the frame a back and forth up and down and positioned on the front side and the back side of the supporting table 11a, so that the bending head processing of the product in two different directions is completed.

The number of the bending driving devices 90 is two, and the two bending driving devices 90 are arranged on the frame a and drive the corresponding bending plates 80 to move up and down.

The working principle of the embodiment is described in detail as follows:

When bending, each device is connected with an external controller, then the cutter is changed according to the size of the product to be processed, the number of the first cutters 31 and the second cutters 51 required is calculated by the controller during the cutter changing, at this time, the first driving mechanism 43 in the first cutter changing driving device 40 drives the turning shaft 44 and the moving shaft 45 to move, so that the first cutters 31 with the required number are hung on the moving shaft 45, the rest of the first cutters 31 are hung on the turning shaft 44, then the second driving mechanism 46 drives the turning shaft 44 to turn over, so as to drive the first cutters 31 with the unnecessary number to turn upwards, then the corresponding limiting heads 52 are driven by the limiting head driving mechanism (not shown in the figure) in the second cutters 51 with the corresponding positions to move upwards and extend into the corresponding grooves 601, then the third driving mechanism 62 drives the movable rod 61 to move towards the first cutters 31, and drives the corresponding number of second cutters 51 to move through the corresponding second cutters 51, finally, the corresponding number of second cutters 51, the corresponding number of first cutters 31 and the fixed cutters 20 form cutters with corresponding sizes together, then the product is placed on the supporting table 11a, then the cutter rest 10 is driven by the cutter rest driving device 70 to move downwards, the product is pressed on the supporting table 11a through the replaced cutter, then the corresponding bending plate 80 is driven by the bending driving mechanism 90 to move upwards, so that the bending process is completed, after the bending process is completed, the bending driving mechanism 90 drives the bending plate 80 to reset downwards, the cutter rest driving device 70 drives the cutter rest 10 to reset upwards, and the product is taken out, and the bending process can be completed.

The design focus of the utility model is that: the first adjusting tool group comprises a plurality of first tools which are sequentially arranged; the first tool changing driving device is arranged on the tool rest and drives a corresponding number of first tools to turn up and down; the second cutter group comprises a plurality of second cutters which are transversely and sequentially arranged; the second tool changing driving device is arranged on the tool rest and drives a corresponding number of second tools to transversely move back and forth; when bending, the first cutters of corresponding quantity can be turned upwards according to actual demands, and the second cutters of corresponding quantity can move towards the fixed cutters, and the cutters with required length are formed together with the fixed cutters, so that the whole cutter changing process is higher in automation degree, manual participation is not needed, labor intensity is reduced, the whole cutter changing and machining efficiency are greatly improved, cutters with different sizes are not needed to be customized, and the use cost of equipment is reduced.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.

Claims (10)

1. Bilateral end enclosure machine with automatic tool setting device, its characterized in that: comprises a frame, a knife rest, a fixed knife, a first adjusting knife set, a first knife changing driving device, a second adjusting knife set, a second knife changing driving device, a knife rest driving device, a bending plate and a bending driving device; the frame is provided with a supporting table; the tool rest can be movably arranged on the frame up and down and is positioned right above the supporting table; the fixed tool is fixed on the tool rest; the first adjusting cutter group can be arranged on the cutter rest in a vertically back-and-forth turning way and is positioned beside the fixed cutter, and comprises a plurality of first cutters which are sequentially arranged; the first tool changing driving device is arranged on the tool rest and drives a corresponding number of first tools to turn up and down; the second adjusting cutter group can be transversely and reciprocally movably arranged on the cutter rest and is positioned beside the first adjusting cutter group, and the second cutter group comprises a plurality of second cutters which are transversely and sequentially arranged; the second tool changing driving device is arranged on the tool rest and drives a corresponding number of second tools to transversely move back and forth; the tool rest driving device is arranged on the frame and drives the tool rest to move up and down back and forth; the two bending plates are arranged in front and back, can be arranged on the frame in a back and forth movable way and are positioned on the front side and the back side of the supporting table; the two bending driving devices are arranged on the frame and drive the corresponding bending plates to move up and down.

2. The double-sided capping machine with automatic cutter assembly device according to claim 1, wherein: the machine frame is provided with guide grooves which extend up and down in a bilateral symmetry manner, the left side and the right side of the tool rest are respectively provided with guide parts matched with the guide grooves, and the tool rest moves back and forth up and down along the guide grooves through the matching of the guide parts and the guide grooves.

3. The double-sided capping machine with automatic cutter assembly device according to claim 1, wherein: the tool rest driving device comprises a servo motor, a first transmission rod, an eccentric wheel and a second transmission rod; the servo motor is arranged on the frame, the number of the first transmission rods is two symmetrically arranged left and right, and the two first transmission rods are respectively connected with the output end of the servo motor and driven by the servo motor to rotate back and forth; the eccentric wheels are arranged in two ways, and each eccentric wheel is arranged at the outer end of the corresponding first transmission rod and rotates back and forth along with the first transmission rod; the two second transmission rods are arranged, one end of each second transmission rod is connected with the eccentric wheel and driven by the eccentric wheel to move back and forth up and down, and the other end of each first transmission rod is connected with two ends of the tool rest and drives the tool rest to move back and forth up and down.

4. The double-sided capping machine with automatic cutter assembly device according to claim 1, wherein: the first tool changing driving device comprises a mounting seat, a movable frame, a first driving mechanism, a turnover shaft, a movable shaft and a second driving mechanism; the mounting seat is arranged on the tool rest and positioned beside the first adjusting tool group, and is provided with a containing groove; the movable frame can be transversely and movably arranged on the mounting seat back and forth; the first driving mechanism is arranged on the mounting seat and drives the movable frame to move back and forth; the turnover shaft can be arranged on the movable frame in a turnover way and can transversely move back and forth along with the movable frame; the movable shaft is arranged at the outer end of the turnover shaft and moves back and forth along with the turnover shaft, the turnover shaft can turn back and forth relative to the movable shaft, and the second driving mechanism is arranged on the movable frame and drives the turnover shaft to rotate back and forth; the plurality of first cutters are hung on the movable shaft and the turnover shaft and are positioned in the accommodating groove, the plurality of first cutters are clamped in or separated from the turnover shaft along with the movement of the movable shaft and the turnover shaft, and the first cutters clamped in the turnover shaft are driven by the turnover shaft to turn up and down.

5. The double-sided capping machine with automatic cutter assembly device according to claim 4, wherein: the first cutter is provided with a first limiting part, the turnover shaft is concavely provided with a first limiting groove matched with the first limiting part, the movable shaft is concavely provided with a second limiting groove matched with the first limiting part, the first cutter is clamped into or separated from the turnover shaft through the matching of the first limiting part and the first limiting groove and the second limiting groove, and the side wall of the accommodating groove is convexly provided with a second limiting part matched with the second limiting groove.

6. The double-sided capping machine with automatic cutter assembly device according to claim 1, wherein: a limiting head and a limiting head driving mechanism are arranged in each second cutter, and the limiting head can be movably arranged at the upper end of the second cutter up and down in a back-and-forth mode; the limiting head driving mechanism is arranged in the second cutter and drives the limiting head to move up and down.

7. The double-sided capping machine with automatic cutter assembly device of claim 6, wherein: the second tool changing driving device comprises a movable rod and a third driving mechanism, the movable rod transversely extends and can be transversely and reciprocally movably arranged on the tool rest, the movable rod is positioned above a plurality of second tools, a plurality of transversely arranged grooves are integrally and inwards concavely formed in the lower end face of the movable rod, and each groove corresponds to the corresponding position of the limiting head; the third driving mechanism is arranged on the tool rest and drives the movable rod to transversely move back and forth.

8. The double-sided capping machine with automatic cutter assembly device according to claim 1, wherein: the fixed cutter comprises a first main body and a first cutter splicing piece, wherein the first main body is fixedly arranged on the cutter rest, and the first cutter splicing piece is obliquely and slidably arranged outside the lower end of the first main body towards the first main body.

9. The double-sided capping machine with automatic cutter assembly device according to claim 1, wherein: the cutter frame is provided with a cutter collecting assembly, the cutter collecting assembly is positioned between the first adjusting cutter group and the second adjusting cutter group, the cutter collecting assembly comprises a second main body, a second cutter assembling piece and a fifth driving mechanism, and the second main body is arranged on the cutter frame; the second cutter assembly can be arranged on the second main body in a vertically back-and-forth movable mode and is located beside the lower end of the second main body, and the fifth driving mechanism is arranged on the second main body and drives the second cutter assembly to move vertically back-and-forth.

10. The double-sided capping machine with automatic cutter assembly device according to claim 1, wherein: the tool rest is provided with a compressing assembly, and the compressing assembly comprises a compressing head and a fourth driving mechanism; the pressing head can be arranged on the tool rest in a vertically back-and-forth turnover manner and corresponds to the position of the first adjusting tool group; the fourth driving mechanism is arranged on the tool rest and drives the turnover head to turn up and down.