阅读说明：本技术 一种换模台车的快速换模系统 (Quick die change system of die change platform truck ) 是由 范磊 于 2021-09-14 设计创作，主要内容包括：本发明公开了一种换模台车的快速换模系统,其包括机台,两个所述侧板之间转动连接有多个转动辊,所述机台的后端设置有控制转动辊转动的驱动源,所述转动辊的顶部放置有模具底座,所述模具底座底部的两侧均开设有矩形槽,所述矩形槽顶部的内壁固定有第一齿条,所述机台的顶部开设有内腔,所述内腔的内部设置有用于对模具底座在转动辊上移动时进行限位的限位机构。通过第一U型板和第二U型板的移动对模具底座和其顶部的模具进行移动,第二U型板和第一U型板之间可相互靠近或远离,再配合第二伸缩装置和第三伸缩装置的伸缩,能够很好的用矩形板对模具底座进行抬起或放下,能够很好的对模具底座进行移动。(The invention discloses a quick die changing system of a die changing trolley, which comprises a machine table, wherein a plurality of rotating rollers are rotatably connected between two side plates, a driving source for controlling the rotating rollers to rotate is arranged at the rear end of the machine table, a die base is placed at the top of each rotating roller, rectangular grooves are formed in two sides of the bottom of each die base, a first rack is fixed on the inner wall of the top of each rectangular groove, an inner cavity is formed in the top of the machine table, and a limiting mechanism used for limiting the die base when the die base moves on the rotating rollers is arranged in each inner cavity. The mould base and the mould at top are removed through the removal of first U template and second U template, can be close to each other or keep away from between second U template and the first U template, and the flexible of second telescoping device and third telescoping device is deuterogamied, can be fine lift up or put down the mould base with the rectangular plate, and the mould base that can be fine removes.)

1. The quick die changing system of the die changing trolley comprises a machine table (1) and is characterized in that side plates (2) are fixed on two sides of the top of the machine table (1), a plurality of rotating rollers (3) are rotatably connected between the two side plates (2), a driving source for controlling the rotating rollers (3) to rotate is arranged at the rear end of the machine table (1), a die base (4) is placed at the top of each rotating roller (3), rectangular grooves (5) are formed in two sides of the bottom of each die base (4), a first rack (6) is fixed on the inner wall of the top of each rectangular groove (5), an inner cavity (7) is formed in the top of the machine table (1), and a limiting mechanism for limiting the die base (4) when moving on the rotating rollers (3) is arranged inside each inner cavity (7);

two the middle part that curb plate (2) are close to each other rotates respectively and is connected with lead screw (12) and dwang (13), lead screw (12) are close to the one end of dwang (13) and the tip of dwang (13) fixed mutually, the top of lead screw (12) is provided with first U template (16) and second U template (17), the bottom of first U template (16) and second U template (17) all is fixed with screw thread bush (18) with lead screw (12) threaded connection, the otic placode of first U template (16) and second U template (17) both sides runs through in the space between two adjacent live-rollers (3), one side that second U template (17) are close to first U template (16) is fixed with two slide bars (26), two slide bar (26) are equallyd divide respectively with the inside sliding connection of first U template (16), the top of first U template (16) and second U template (17) is provided with the drive mould base (4) and carries out the inside sliding connection that removes A drive mechanism.

2. The rapid die changing system of a die changing trolley according to claim 1, wherein the limiting mechanism comprises two first telescopic devices (8) arranged at the bottom of the inner cavity (7), a supporting plate (9) is fixed at the top of each first telescopic device (8), a plurality of limiting rods (10) used for limiting the moving path of the die base (4) are fixed on two sides of the top of each supporting plate (9), and a limiting plate (11) used for blocking the die base (4) from moving is fixed on the other side of the top of each supporting plate (9).

3. The quick die changing system of the die changing trolley according to claim 1, wherein the driving mechanism comprises a driving device (14) installed at the top of the front end of the machine platform (1), the output end of the driving device (14) is fixed with one end of the screw rod (12), two groups of third telescopic devices (22) are fixed on two sides of the top of the first U-shaped plate (16), two groups of second telescopic devices (19) are fixed on two sides of the top of the second U-shaped plate (17), a rectangular plate (20) is fixed on the top of the second telescopic devices (19), a second rack (21) meshed with the first rack (6) is fixed on the top of the rectangular plate (20), a top plate (23) is fixed on the top of the two groups of third telescopic devices (22), and the top plate (23) is connected with the rectangular plate (20) in a sliding manner.

4. The rapid die changing system of a die changing trolley according to claim 3, wherein a T-shaped plate (24) is fixed on the top of the top plate (23), and a T-shaped groove (25) for the T-shaped plate (24) to slide is formed at the bottom of the rectangular plate (20).

5. The system for rapidly changing the mold of the mold changing trolley according to any one of claims 1 to 4, wherein a sliding groove (27) for a corresponding sliding rod (26) to slide is formed in the first U-shaped plate (16), a baffle plate (28) is fixed at the end part of the sliding groove (27) close to the second U-shaped plate (17), and a convex plate (29) is fixed at the end part of the sliding rod (26) located in the sliding groove (27).

6. A system for the rapid exchange of moulds for mould carriages according to claim 5, characterized in that the length of the slide bar (26) is equal to the length of the runner (27), and the diameter of the outer side of the ledge (29) is greater than the diameter of the inner wall of the apron (28) and less than the diameter of the inner wall of the runner (27).

7. The system for rapidly changing the mold of the mold changing trolley according to claim 2 or 3, wherein the limiting rod (10), the limiting plate (11) and the rectangular plate (20) can penetrate through a gap between two adjacent rotating rollers (3), and a dragging plate (15) for supporting the driving device (14) is fixed at the top of the front end of the machine table (1).

8. The quick die change system of the die change trolley according to claim 1, wherein sliding sleeves (30) are fixed on two sides of the bottoms of the first U-shaped plate (16) and the second U-shaped plate (17), two cylindrical rods (31) are fixed on one sides of the two side plates (2) close to each other, and the sliding sleeves (30) are located on the outer sides of the cylindrical rods (31) and are in sliding connection with the cylindrical rods (31).

Technical Field

The invention relates to the field of mold changing trolleys, in particular to a quick mold changing system of a mold changing trolley.

Background

The rapid die change is a process improvement method for reducing the die change time, production start time or adjustment time of a die product as much as possible, which can significantly shorten the time required for installing and setting the die change of a machine, and the die change trolley is presented to shorten the time for switching the operation, and the key point is to define the internal operation switching and the external operation switching, to change the internal operation switching into the external operation switching as much as possible, and then to shorten the internal and external operation switching time as much as possible.

Publication number CN 106426759 a discloses a universal type die change trolley system, the die change trolley comprises a jacking bottom plate and a die change platform; the jacking bottom plate is fixed on the top of the chassis through a plurality of lifting columns; at least one hydraulic locking clamp in the injection molding machine; each hydraulic locking clamp comprises a supporting shaft, a pressing plate, a first groove, a steel ball, a first spring, a second groove, an oil cylinder barrel, a piston and a second spring; an oil inlet and an oil outlet are formed in the bottom of the second groove; one end of the bottom of the pressure strip can be in contact with the steel balls in the rotating process, and the other end of the bottom of the pressure strip can be in contact with the extending end of the T-shaped handle of the piston. After adopting above-mentioned structure, can realize quick retooling automatically, the insecurity and the change time that exist when reducing the change mould have alleviateed workman's work burden.

In the prior art, when a mold is replaced, the mold needs to be pulled to a mold replacing trolley from a machining area by the mold replacing trolley, the mold after mold replacement is pushed to a blanking area by a transverse pushing mechanism, then a new mold needing mold replacement is placed on the mold replacing trolley, the new mold is pushed to the position, just opposite to the machining area, of the mold replacing trolley by the transverse pushing mechanism, then the new mold is pushed to the machining area for machining by a longitudinal pushing mechanism, most of the existing longitudinal pushing mechanisms are pushed by hooks, sliding between the mold and the new mold is easy to occur, the stability is poor, in addition, the mold needs to be successfully replaced by the mold through twice transverse pushing mechanisms and once longitudinal pushing mechanism, and three times of pushing are relatively independent and cannot be carried out simultaneously, so that the mold replacing efficiency is low.

Disclosure of Invention

In view of this, the present invention provides a quick mold changing system for a mold changing trolley, so as to improve the efficiency and stability of mold changing.

In order to achieve the technical purpose, the invention provides a quick die change system of a die change trolley, which comprises the following components:

the die comprises a machine table, wherein side plates are fixed on two sides of the top of the machine table, a plurality of rotating rollers are rotatably connected between the two side plates, a driving source for controlling the rotating rollers to rotate is arranged at the rear end of the machine table, a die base is placed on the top of each rotating roller, rectangular grooves are formed in two sides of the bottom of each die base, a first rack is fixed on the inner wall of the top of each rectangular groove, an inner cavity is formed in the top of the machine table, and a limiting mechanism for limiting the die base when moving on the rotating rollers is arranged in each inner cavity;

two the middle part that the curb plate is close to each other rotates respectively and is connected with lead screw and dwang, the lead screw is close to the one end of dwang and the tip of dwang is fixed mutually, the top of lead screw is provided with first U template and second U template, the bottom of first U template and second U template all is fixed with the thread bush with lead screw threaded connection, the otic placode of first U template and second U template both sides runs through in the space between two adjacent live-rollers, one side that second U template is close to first U template is fixed with two slide bars, two the inside sliding connection who do not go with first U template is equallyd divide to the slide bar, the top of first U template and second U template is provided with the actuating mechanism that drives the mould base and carry out the removal.

During specific operation, because the otic placodes of first U template and second U template both sides run through in the space between two adjacent live-rollers, consequently can judge its position of removal according to the otic placode on first U template, the second U template, the initial position of first U template and second U template sets up with the position stagger of inner chamber in addition.

Preferably, stop gear includes two first telescoping devices of installing in the inner chamber bottom, the top of first telescoping device is fixed with the backup pad, the both sides at backup pad top all are fixed with a plurality of gag lever posts that are used for carrying out the restraint to mould base removal route, the opposite side at backup pad top is fixed with and is used for blockking the limiting plate that mould base carries out the removal.

Preferably, actuating mechanism is including installing the drive arrangement at board front end top, drive arrangement's output and the one end of lead screw are fixed mutually, the both sides at first U template top all are fixed with two sets of third telescoping devices, the both sides at second U template top all are fixed with the second telescoping device, the top of second telescoping device is fixed with the rectangular plate, the top of rectangular plate is fixed with the second rack with first rack looks meshing, and is two sets of the top of third telescoping device all is fixed with the roof, sliding connection between roof and the rectangular plate.

It should be noted that the driving device may use a motor or the like, the inner cavity, the second telescoping device, and the third telescoping device may use a hydraulic cylinder or the like, and each set of the third telescoping device is composed of two third telescoping devices.

Preferably, a T-shaped plate is fixed at the top of the top plate, and a T-shaped groove for the T-shaped plate to slide is formed in the bottom of the rectangular plate.

Preferably, the inside of first U template is seted up and is supplied to correspond the gliding spout of slide bar, the spout is close to the end fixing of second U template and is had the baffle, the slide bar is located the inside end fixing of spout and has the flange.

Preferably, the length of the sliding rod is equal to that of the sliding chute, and the diameter of the outer side of the convex plate is larger than that of the inner wall of the baffle plate and smaller than that of the inner wall of the sliding chute.

During specific operation, because the diameter of flange is greater than the diameter of baffle inner wall for when first U template was kept away from to the second U template, the slide bar slided in the inside of spout, and when flange and baffle laminated mutually, the second U template can drive first U template and remove.

Preferably, the limiting rod, the limiting plate and the rectangular plate can penetrate through a gap between every two adjacent rotating rollers, and a dragging plate for supporting the driving device is fixed to the top of the front end of the machine table.

Preferably, sliding sleeves are fixed on two sides of the bottoms of the first U-shaped plate and the second U-shaped plate, two cylindrical rods are fixed on one side, close to each other, of the side plates, and the sliding sleeves are located on the outer sides of the cylindrical rods and are in sliding connection with the cylindrical rods.

According to the technical scheme, the method has the following beneficial effects:

1: the mould base and the mould at top are removed through the removal of first U template and second U template, can be close to each other or keep away from between second U template and the first U template, the flexible of second telescoping device and third telescoping device is deuterogamied, can be fine lift up or put down the mould base with the rectangular plate, the mould base that can be fine removes, and second rack on the rectangular plate and the first rack on the mould base mesh mutually, make the mould base that the rectangular plate can more stable remove rather than the top.

2: the setting of gag lever post and limiting plate, the route that restraint mould base that can be fine removed and the position that stops, the setting of live-rollers, when mould base after the retooling removes to the live-rollers top, can place the mould at next mould base and its top on the live-rollers, after starting the live-rollers, can remove the mould base of waiting to retooling to the assigned position, also can remove the next process with the good mould of retooling, and efficiency is higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a rapid mold changing system of a mold changing trolley provided by the invention;

fig. 2 is a schematic view of an internal structure of a rapid mold changing system of a mold changing trolley according to the present invention;

fig. 3 is a schematic view of an internal structure of an inner cavity of a rapid mold changing system of a mold changing trolley provided by the invention;

fig. 4 is a schematic structural diagram of a mold base in a rapid mold changing system of a mold changing trolley according to the present invention;

FIG. 5 is a schematic structural view of a driving mechanism in a rapid mold changing system of a mold changing trolley according to the present invention;

FIG. 6 is a schematic side view of a driving mechanism in a rapid mold changing system of a mold changing trolley according to the present invention;

FIG. 7 is a schematic structural view of a T-shaped plate in a rapid die change system of a die change trolley provided by the invention;

fig. 8 is a schematic view of an internal structure of a first U-shaped plate in the rapid die change system of the die change trolley provided by the invention;

description of the drawings: 1. a machine platform; 2. a side plate; 3. a rotating roller; 4. a mold base; 5. a rectangular groove; 6. a first rack; 7. an inner cavity; 8. a first telescoping device; 9. a support plate; 10. a limiting rod; 11. a limiting plate; 12. a screw rod; 13. rotating the rod; 14. a drive device; 15. a carriage; 16. a first U-shaped plate; 17. a second U-shaped plate; 18. a threaded sleeve; 19. a second telescoping device; 20. a rectangular plate; 21. a second rack; 22. a third telescoping device; 23. a top plate; 24. a T-shaped plate; 25. a T-shaped groove; 26. a slide bar; 27. a chute; 28. a baffle plate; 29. a convex plate; 30. a sliding sleeve; 31. a cylindrical rod.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, identical or similar reference numerals indicate identical or similar parts and features. The drawings are only schematic representations of the concepts and principles of the embodiments of the disclosure, and do not necessarily show specific dimensions or proportions of the various embodiments of the disclosure. Certain features that are part of a particular figure may be exaggerated in order to illustrate relevant details or structures of embodiments of the present disclosure.

Referring to FIGS. 1-8:

example one

The utility model provides a quick retooling system of retooling platform truck, including board 1, the both sides at 1 top of board all are fixed with curb plate 2, it is connected with a plurality of live-rollers 3 to rotate between two curb plates 2, the rear end of board 1 is provided with control live-rollers 3 pivoted driving source, mould base 4 has been placed at the top of live-rollers 3, rectangular channel 5 has all been seted up to the both sides of mould base 4 bottom, the inner wall at 5 tops of rectangular channel is fixed with first rack 6, inner chamber 7 has been seted up at the top of board 1, the inside of inner chamber 7 is provided with and is used for carrying out spacing stop gear to mould base 4 when moving on live-rollers 3.

It should be noted that, the driving source is including being fixed in the driving motor of board rear end, and the rear end of live-rollers 3 is fixed with the sprocket, and through chain looks transmission between a plurality of sprockets, and driving motor's output and one of them live-rollers 3 transmission are connected, and driving motor drives live-rollers 3 and rotates, drives the sprocket rotation when live-rollers 3 rotate, drives other sprockets through the chain and rotates when the sprocket rotates to drive other live-rollers 3 and rotate.

The middle parts of the two side plates 2 which are close to each other are respectively connected with a screw rod 12 and a rotating rod 13 in a rotating mode, it needs to be described that the length of the rotating rod 13 is larger than that of a first U-shaped plate 16, and is smaller than that of the first U-shaped plate 16 and a second U-shaped plate 17, one end of the screw rod 12 which is close to the rotating rod 13 is fixed with the end part of the rotating rod 13, the top of the screw rod 12 is provided with the first U-shaped plate 16 and the second U-shaped plate 17, the initial positions of the first U-shaped plate 16 and the second U-shaped plate 17 are staggered with the position of the inner cavity 7, it needs to be described that the length and the width of the mold base 4 are smaller than that of the first U-shaped plate 16, the size of the mold base 4 is smaller than that of the first U-shaped plate 16, and the mold base 4 is convenient to lift up.

During specific operation, because the length of dwang 13 is greater than the length of first U template 16, and be less than the length of first U template 16 with second U template 17, after lead screw 12 rotated and driven first U template 16 and moved to dwang 13, when lead screw 12 continued to rotate, first U template 16 stopped moving, lead screw 12 rotated this moment and only can drive second U template 17 and continue to move, make second U template 17 be close to first U template 16, rectangular plate 20 promptly, second rack 21 drives mould base 4 and moves to the processing district.

In addition, the bottom parts of the first U-shaped plate 16 and the second U-shaped plate 17 are both fixed with a thread sleeve 18 which is in threaded connection with the screw rod 12, ear plates at two sides of the first U-shaped plate 16 and the second U-shaped plate 17 penetrate through a gap between two adjacent rotating rollers 3, during the specific operation, when the first U-shaped plate 16 and the second U-shaped plate 17 move, the moving positions can be judged according to the ear plates on the first U-shaped plate 16 and the second U-shaped plate 17, when the ear plates on the first U-shaped plate 16 and the second U-shaped plate 17 move to the two sides of the bottom of the mold base 4, the screw 12 stops rotating, and first U template 16 is located under mould base 4 this moment, and one side that second U template 17 is close to first U template 16 is fixed with two slide bars 26, and two slide bars 26 are equallyd divide respectively with the inside sliding connection of first U template 16, and the top of first U template 16 and second U template 17 is provided with the actuating mechanism that drives mould base 4 and carry out the removal.

Example two

The utility model provides a quick retooling system of retooling platform truck, it is on embodiment one's basis, stop gear includes two first telescoping device 8 of installing in inner chamber 7 bottom, the top of first telescoping device 8 is fixed with backup pad 9, the both sides at backup pad 9 top all are fixed with a plurality of gag lever posts 10 that are used for carrying out the restraint to mould base 4 moving path, the opposite side at backup pad 9 top is fixed with and is used for blockking mould base 4 and carries out the limiting plate 11 that removes, gag lever post 10, limiting plate 11 and rectangular plate 20 all can run through the space between two adjacent live-rollers 3, the top of board 1 front end is fixed with planker 15 that is used for supporting drive arrangement 14.

It should be noted that, the height of gag lever post 10 equals the height of limiting plate 11, when first telescoping device 8 under initial condition, gag lever post 10 adds the degree of depth that highly is less than inner chamber 7 of first telescoping device 8, make gag lever post 10 and limiting plate 11 all be located the inside of inner chamber 7, avoided gag lever post 10 and limiting plate 11 to block the removal of first U template 16 and second U template 17, in addition, gag lever post 10 and lead screw 12, the mutual setting of staggering of cylinder pole 31, during specific operation, when mould base 4 moves to and when limiting plate 11 is inconsistent, stop to rotate live-roll 3 this moment, the position at mould base 4 makes rectangular channel 5 and the rectangular plate 20 of its bottom be in on same vertical plane.

EXAMPLE III

The utility model provides a quick retooling system of retooling platform truck, it is on embodiment two's basis, actuating mechanism is including installing in the drive arrangement 14 at board 1 front end top, drive arrangement 14's output and the one end of lead screw 12 are fixed mutually, the both sides at first U template 16 top all are fixed with two sets of third telescoping device 22, the both sides at second U template 17 top all are fixed with second telescoping device 19, the top of second telescoping device 19 is fixed with rectangular plate 20, it needs to explain that, the width of rectangular channel 5 is greater than the width of rectangular plate 20, the inside of rectangular channel 5 is established to rectangular plate 20 inlays of being convenient for.

The top of rectangular plate 20 is fixed with the second rack 21 with first rack 6 engaged with, it needs to supplement, the length of second rack 21 is half of the length of rectangular plate 20, and the length of second rack 21 is greater than the length of mould base 4, be convenient for second rack 21 and the inside first rack 6 of mould base 4 to mesh mutually, the top of two sets of third telescoping devices 22 all is fixed with roof 23, sliding connection between roof 23 and rectangular plate 20, the both sides of first U type 16 and second U type 17 bottom all are fixed with sliding sleeve 30, one side that two curb plates 2 are close to each other is fixed with two cylinder poles 31, sliding sleeve 30 is located the outside of cylinder pole 31 and with cylinder pole 31 sliding connection.

In addition, a T-shaped plate 24 is fixed at the top of the top plate 23, a T-shaped groove 25 for the T-shaped plate 24 to slide is formed at the bottom of the rectangular plate 20, a sliding groove 27 for the corresponding sliding rod 26 to slide is formed in the first U-shaped plate 16, a baffle 28 is fixed at the end of the sliding groove 27 close to the second U-shaped plate 17, a convex plate 29 is fixed at the end of the sliding rod 26 in the sliding groove 27, the length of the sliding rod 26 is equal to that of the sliding groove 27, the diameter of the outer side of the convex plate 29 is larger than that of the inner wall of the baffle 28 and smaller than that of the inner wall of the sliding groove 27, it should be noted that the diameter of the convex plate 29 is larger than that of the inner wall of the baffle 28, so that when the second U-shaped plate 17 is far away from the first U-shaped plate 16, the sliding rod 26 slides in the sliding groove 27, and when the convex plate 29 and the baffle 28 are attached, the second U-shaped plate 17 can drive the first U-shaped plate 16 to move.

During specific operation, when the screw thread sleeves 18 at the bottoms of the first U-shaped plate 16 and the second U-shaped plate 17 move on the screw rod 12, the sliding sleeve 30 can slide on the cylindrical rod 31, so that the first U-shaped plate 16 and the second U-shaped plate 17 can stably move, when the first U-shaped plate 16 moves onto the rotating rod 13, the second U-shaped plate 17 continues to move, so that the second U-shaped plate 17 is close to the first U-shaped plate 16, and at the moment, the T-shaped plate 24 slides in the T-shaped groove 25, so that the rectangular plate 20 can move the mold base 4 to a processing area.

The working principle is as follows: after mould base 4's top is put to the mould that will need the retooling, place mould base 4 at the top of live-rollers 3, 8 extensions of first telescoping device drive backup pad 9 and move up, drive gag lever post 10 and limiting plate 11 and move up when backup pad 9 shifts up, gag lever post 10 and limiting plate 11 run through the space between the live-rollers 3, and the top of gag lever post 10 and limiting plate 11 all exceeds the top of live-rollers 3, make the route that gag lever post 10 can retrain mould base 4 removal, when mould base 4 removes to limiting plate 11 department, live-rollers 3 stall, mould base 4 stops at the top of live-rollers 3 this moment, then 8 shrink of first telescoping device drive backup pad 9 and move down, make gag lever post 10 and limiting plate 11 remove to the inside of inner chamber 7.

Then the driving device 14 is started, the driving device 14 drives the screw rod 12 to rotate, the screw rod 12 drives the first U-shaped plate 16 and the second U-shaped plate 17 to move when rotating, when the first U-shaped plate 16 and the second U-shaped plate 17 move, the moving positions of the first U-shaped plate 16 and the second U-shaped plate 17 can be judged according to the ear plates on the first U-shaped plate 16 and the second U-shaped plate 17, when the ear plates on the first U-shaped plate 16 and the second U-shaped plate 17 move to two sides of the bottom of the mold base 4, the driving device 14 stops rotating, at the moment, the first U-shaped plate 16 and the rectangular plate 20 are positioned under the mold base 4, at the moment, the second expansion device 19 and the third expansion device 22 extend to drive the rectangular plate 20 to move upwards, so that the rectangular plate 20 lifts the mold base 4, the bottom of the mold base 4 is separated from the top of the rotating roller 3, at the moment, the rectangular plate 20 is embedded in the rectangular groove 5, and the second rack 21 is meshed with the first rack 6, then the driving device 14 continues to rotate to drive the first U-shaped plate 16 and the second U-shaped plate 17 to move, and at this time, the first U-shaped plate 16 and the second U-shaped plate 17 drive the mold base 4 and the mold on the top of the mold base 4 to move together.

When first U template 16 moves to dwang 13 department, first U template 16 stops moving, the mould is located the edge at board 1 top this moment, lead screw 12 only drives second U template 17 when rotating this moment, drive slide bar 26 when second U template 17 moves to the inside removal of spout 27, make second U template 17 be close to first U template 16, T template 24 slides in the inside of T type groove 25 this moment, second U template 17 is when being close to first U template 16, make rectangular plate 20 drive mould base 4 and the mould at its top continue to move, make mould base 4 and the mould at mould base 4 top move to the processing district.

After the die base 4 and the die at the top of the die base 4 move to the machining area, the second expansion device 19 and the third expansion device 22 contract, so that the second rack 21 and the first rack 6 are separated, then the screw rod 12 rotates reversely to drive the second U-shaped plate 17 to move, the second U-shaped plate 17 drives the rectangular plate 20 to move when moving, so that the rectangular plate 20 is moved out from the inside of the rectangular groove 5, and the die change can be carried out.

After the mold replacement is completed, the above-mentioned step of moving out the rectangular plate 20 from the inside of the rectangular groove 5 is operated in reverse again, so that the rectangular plate 20 is embedded into the rectangular groove 5 again, then the second expansion device 19 and the third expansion device 22 are extended, so that the rectangular plate 20 lifts up the molds at the tops of the mold base 4 and the mold base 4 again, the screw rod 12 drives the second U-shaped plate 17 to move when rotating reversely, so that the slide rod 26 moves in the inside of the slide groove 27, when the convex plate 29 and the baffle 28 are attached to each other, the first U-shaped plate 16 is driven to start moving, and when the first U-shaped plate 16 moves, the molds at the tops of the mold base 4 and the mold base 4 are driven to move.

After the mold base 4 moves to the initial positions of the first U-shaped plate 16 and the second U-shaped plate 17, the second expansion device 19 and the third expansion device 22 contract to drive the rectangular plate 20 to move out of the rectangular groove 5, so that the mold base 4 is attached to the rotating roller 3, the mold base 4 carrying the mold to be replaced is placed on the rotating roller 3, then the rotating roller 3 is opened, the rotating roller 3 can move the mold base 4 to be replaced to a specified position, and the mold with the mold replaced can be moved to the next process.

Exemplary embodiments of the proposed solution of the present disclosure have been described in detail above with reference to preferred embodiments, however, it will be understood by those skilled in the art that many variations and modifications may be made to the specific embodiments described above, and that many combinations of the various technical features and structures presented in the present disclosure may be made without departing from the concept of the present disclosure, without departing from the scope of the present disclosure, which is defined by the appended claims.