An upper die turnover mechanism

Abstract

The application relates to an upper die turnover mechanism, which comprises a fixed seat arranged on an upper die plate; a main shaft arranged on the fixed seat and movable along an axial direction; an extension cylinder arranged on the upper die plate and connected with a first end of the main shaft, the extension cylinder driving the main shaft to move along the axial direction; a first support arranged on the fixed seat and rotatable around the main shaft; a second support arranged on a second end of the main shaft, the second support being movable along with the main shaft to move away from or close to the first support; a third support connected with the second support, the third support being provided with a workbench, the workbench being used for mounting an upper die of a mold, the third support being slidably matched with the first support along an axial direction of the main shaft, the third support moving along the axial direction of the main shaft along with the second support; and a driving assembly arranged on the fixed seat, the driving assembly being used for driving the first support and the second support to rotate around the main shaft.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of mold injection equipment, in particular to an upper mold turnover mechanism. BACKGROUND

[0002] The mold is various molds and tools used in industrial production to obtain the required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods. Before the mold is put into use, it needs to be re-molded, tested and repaired to finally meet the requirements. After testing, if there is a problem, the mold needs to be repaired. When repairing, the mold needs to be disassembled from the injection molding equipment, and then reinstalled for testing. Such repeated processes are not only complex and time-consuming, but also unsafe, which reduces the manufacturing efficiency of the mold and increases the manufacturing cost of the mold. Therefore, the application proposes a device that can test and repair the mold without disassembling the mold, which is the problem to be solved by the application. CONTENT OF THE UTILITY MODEL

[0003] In order to overcome the problems in the related art, the application aims to provide an upper mold turnover mechanism that can test and repair the mold without disassembling the mold, thereby improving the manufacturing efficiency of the mold.

[0004] The application is achieved by the following technical solutions.

[0005] The technical solution provides an upper mold turnover mechanism installed on a vertically movable upper mold plate of a mold testing device, characterized in that it comprises

[0006] a fixed seat arranged on the upper mold plate;

[0007] a main shaft arranged on the fixed seat and movable along the axial direction;

[0008] a telescopic cylinder arranged on the upper mold plate or the fixed seat and connected to the first end of the main shaft, the telescopic cylinder driving the main shaft to move along the axial direction thereof;

[0009] a first support arranged on the fixed seat and rotatable around the main shaft;

[0010] a second support arranged at the second end of the main shaft, the second support being movable with the main shaft to move away from or close to the first support;

[0011] a third support connected to the second support, the third support being provided with a workbench for installing an upper mold of a mold, the third support being slidably connected to the first support along the axial direction of the main shaft, and the third support moving along the axial direction of the main shaft with the second support;

[0012] A driving assembly arranged on the fixing base, the driving assembly is used to drive the first support and the second support to rotate around the main shaft, so as to realize the overturning of the workbench.

[0013] The upper die turnover mechanism of the technical scheme is characterized in that the upper die of the mold is directly installed on the workbench, the upper die is installed on the upper die plate by the turnover mechanism during mold testing, the upper die is separated from the upper die plate by the turnover mechanism when mold repairing is needed, and the upper die is turned over, so that the upper die is repaired conveniently, and the manufacturing efficiency of the mold is improved.

[0014] The working principle of the upper die turnover mechanism is that the upper die of the mold is installed on the workbench, the model cavity of the upper die faces upward, the driving assembly drives the first support to rotate, the first support drives the third support, the workbench and the second support to overturn together, the model cavity of the upper die faces downward, and the workbench is located on the side of the upper die plate. At this time, the main shaft is driven to move by the telescopic cylinder, the movement of the main shaft drives the second support, the third support and the workbench to slide relative to the first support, so that the workbench and the upper die are pushed to the front of the upper die plate, and the workbench is fixed. After that, mold testing can be performed, and the upper die is moved and overturned in the opposite direction for mold repairing.

[0015] In one or more embodiments, the driving assembly comprises a rack arranged on the fixing base, at least one driving gear meshing with the rack, and a power component arranged on the fixing base for driving the rack, the rack is arranged on the fixing base to slide and drive the driving gear to rotate;

[0016] The fixing base is further provided with a first gear coaxial with the main shaft and rotatable, the first support is connected with the first gear, and the first gear is in transmission cooperation with the driving gear.

[0017] In one or more embodiments, the power component is an oil cylinder or an electric motor.

[0018] In one or more embodiments, the driving gear has two, both of which are connected to a first gear shaft arranged on the fixing base, one of the driving gears is meshed with the rack, and the other is meshed with the first gear.

[0019] In one or more embodiments, the second end of the main shaft is provided with a second gear and a fixed plate, the second gear is coaxial with the main shaft and rotatable, the second support is connected with the second gear, the fixed plate is provided with a rotatable third gear, and the third gear is meshed with the second gear.

[0020] In one or more embodiments, the second gear shaft of the third gear is coaxial with the gear shaft of the driving gear.

[0021] In one or more embodiments, a self-locking deceleration component is further installed on the fixed plate, and the third gear is drivingly connected with the self-locking deceleration component through a second gear shaft.

[0022] In one or more embodiments, the side of the third bracket is provided with an inner recessed sliding groove, and a sliding rail is provided on the upper mold plate, the length direction of the sliding groove and the sliding rail is arranged along the axial direction of the main shaft, and the third bracket and the workbench can be installed on the upper mold plate through the cooperation of the sliding groove and the sliding rail.

[0023] In one or more embodiments, the first bracket is provided with a protrusion, and the protrusion is slidingly fitted in the sliding groove, so that the third bracket and the first bracket are slidingly fitted.

[0024] In one or more embodiments, the telescopic cylinder includes a cylinder body and a piston, the piston is movably fitted in the cylinder body, the piston is fixedly connected with the upper mold plate through a connecting rod and a connecting frame; the main shaft is a hollow structure, and the main shaft is the cylinder body.

[0025] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0026] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings, in which like reference characters refer to like parts throughout the several views, and in which:

[0027] Figure 1 is a perspective view of a mold flipping mechanism installed on a mold flipping and testing all-in-one machine in an embodiment of the present application.

[0028] Figure 2 is a right side view of a mold flipping mechanism installed on a mold flipping and testing all-in-one machine in an embodiment of the present application.

[0029] Figure 3 is a perspective view of a mold flipping mechanism after flipping in an embodiment of the present application.

[0030] Figure 4 is an exploded view of a mold flipping mechanism after flipping in an embodiment of the present application.

[0031] Figure 5 is a left side view of a mold flipping mechanism after flipping in an embodiment of the present application.

[0032] Figure 6 is a left side view of the mold flipping mechanism shown in an embodiment of the present application before flipping.

[0033] Reference signs:

[0034] 11 - upper mold plate; 111 - slide rail; 12 - fixed seat; 13 - main shaft; 14 - telescopic cylinder; 15 - first support; 151 - protrusion; 16 - second support; 17 - third support; 171 - sliding groove; 18 - workbench; 19 - rack; 20 - driving gear; 21 - power component; 22 - first gear; 23 - second gear; 24 - fixed plate; 25 - third gear; 26 - self-locking speed reduction component. DETAILED DESCRIPTION

[0035] The technical solutions in some embodiments of the present application will be described clearly and completely below in combination with the drawings in some embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0036] The technical solutions of the embodiments of the present application will be described in detail below in combination with the drawings.

[0037] As shown in Figures 1 to 6 The present embodiment is an upper mold flipping mechanism of a mold flipping and testing all-in-one machine. The mold flipping mechanism is installed on an upper mold plate 11 of the mold flipping and testing all-in-one machine which can move vertically. The upper mold plate 11 is installed on a rack of the mold flipping and testing all-in-one machine to move vertically, so as to realize mold closing or opening. The working principle and structure of the mold flipping and testing all-in-one machine belong to the prior art in the field, and will not be described in detail.

[0038] In the present embodiment, the mold flipping mechanism comprises a fixed seat 12, a main shaft 1313, a telescopic cylinder 14, a first support 15, a second support 16, a third support 17, a workbench 18 and a driving assembly. The fixed seat 12 is arranged on the upper mold plate 11. The main shaft 1313 is arranged on the fixed seat 12 and can move along the axial direction thereof. The telescopic cylinder 14 is arranged on the upper mold plate 11 and is used to drive the main shaft 1313 to move. The telescopic cylinder 14 is arranged at a first end of the main shaft 1313.

[0039] The first support 15 is arranged to rotate on the fixed base 12, and can rotate around the main shaft 1313. The second support 16 is arranged on the second end of the main shaft 1313, and can move away from or close to the first support 15 along with the main shaft 1313. The second support 16 can also rotate around the main shaft 1313. The third support 17 is connected with the second support 16, and the workbench 18 is arranged on the third support 17. The workbench 18 is used to install the upper die of the mold. The third support 17 also slides along the axial direction of the main shaft 1313 with the first support 15, and moves along the axial direction of the main shaft 1313 with the second support 16.

[0040] In order to rotate the first support 15 to realize the overturning, a driving assembly is arranged on the fixed base 12. The driving assembly is used to drive the first support 15 and the second support 16 to rotate around the main shaft 1313. The driving assembly includes a rack 19 arranged on the fixed base 12, two driving gears 20, and a power component 21 arranged on the fixed base 12 and used to drive the rack 19. The rack 19 is arranged to slide on the fixed base 12 and drive the driving gears 20 to rotate.

[0041] A first gear 22 coaxially arranged with the main shaft 1313 and rotatable is also arranged on the fixed base 12. The first gear 22 is arranged to rotate on the fixed base 12. The first support 15 is fixedly connected with the first gear 22. The two driving gears 20 are connected with the first gear shaft. The first gear shaft is arranged to rotate on the fixed base 12. One of the two driving gears 20 is engaged with the rack 19, and the other driving gear 20 is engaged with the first gear 22.

[0042] In the embodiment, the power component 21 is an oil cylinder. The output rod of the oil cylinder is connected with the rack 19. The oil cylinder and the rack 19 are both vertically arranged. The oil cylinder drives the driving gears 20 to rotate through the rack 19. In order to ensure the smooth movement of the rack 19, a guide rail structure can be arranged between the rack 19 and the fixed base 12 to limit the movement of the rack 19.

[0043] In the embodiment, the second end of the main shaft 1313 is provided with a second gear 23 and a fixed plate 24. The second gear 23 is coaxially arranged with the main shaft 1313 and rotatable. The second support 16 is connected with the second gear 23. The fixed plate 24 is provided with a rotatable third gear 25. The third gear 25 is engaged with the second gear 23. The second gear shaft of the third gear 25 is coaxial with the gear shaft of the driving gear 20. The engagement between the third gear 25 and the second gear 23 balances the rotation of the first support 15 and the second support 16.

[0044] In order to increase safety protection and prevent the workbench 18, the first support 15 and the second support 16 from falling rapidly after being turned over, a self-locking deceleration component 26 is further installed on the fixing plate 24, the third gear 25 is in transmission connection with the self-locking deceleration component through the second gear shaft, the self-locking deceleration component 26 provides a reaction force to prevent the third gear 25 from rotating too fast, and the principle of the self-locking deceleration component 26 is to use high reduction ratio transmission to realize safe and stable movement under the action of gravity in both directions. The self-locking deceleration component 26 belongs to the prior art.

[0045] In the embodiment, the side of the third support 17 is provided with an inwardly recessed sliding groove 171, and the upper mold plate 11 is provided with a sliding rail 111, the length direction of the sliding groove 171 and the sliding rail 111 is arranged along the axial direction of the main shaft 1313, and the third support 17 and the workbench 18 can be installed on the upper mold plate 11 through the cooperation of the sliding groove 171 and the sliding rail 111. In addition, the first support 15 is provided with a protrusion 151 which is slidingly fitted in the sliding groove 171, so as to slidingly fit between the third support 17 and the first support 15.

[0046] In the embodiment, the telescopic cylinder 14 includes a cylinder body and a piston which moves in cooperation with the cylinder body, and the piston is fixedly connected with the upper mold plate 11 through a connecting rod and a connecting frame; the main shaft 1313 is in a hollow structure and is the cylinder body. In this way, the main shaft 1313 can be used as the cylinder body of the telescopic cylinder 14, the structure is more compact, and the occupied volume is reduced. Of course, the telescopic cylinder 14 can also be an independent component.

[0047] The mold turning mechanism of the embodiment is installed on the side of the upper mold plate 11 and lifts and lowers along with the upper mold plate 11, the upper mold of the mold is directly installed on the workbench 18, the mold turning mechanism drives the upper mold to be installed on the upper mold plate 11 to perform injection molding trial production when trial molding is performed, the mold turning mechanism drives the upper mold to move away from the upper mold plate 11 when mold repair is needed, and the upper mold is turned over, which facilitates the repair of the upper mold and improves the manufacturing efficiency of the mold.

[0048] The working principle of the mold turning mechanism is that the upper mold of the mold is installed on the workbench 18, the model cavity of the upper mold faces upward, the driving assembly drives the first support 15 to rotate, the first support 15 drives the third support 17, the workbench 18 and the second support 16 to turn over together so that the model cavity of the upper mold faces downward, and the workbench 18 is located on the side of the upper mold plate 11. At this time, the telescopic cylinder 14 drives the main shaft 1313 to move, the movement of the main shaft 1313 drives the second support 16, the third support 17 and the workbench 18 to slide relative to the first support 15, so as to push the workbench 18 and the upper mold to the position directly below the upper mold plate 11, and then the workbench 18 is fixed, and trial molding can be performed. When trial molding is completed and repair is needed, the upper mold is moved out and turned over in the reverse direction to perform mold repair.

[0049] Having described various embodiments of the application, it is to be understood that the above description is meant not to limit and not to encompass all of the possible embodiments. Many modifications and variations of this application can be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. It is intended that the scope of the application be defined by the scope of the patent and by the claims as allowed by the patent office, which can include adaptations based on the description, equivalents, and / or substitutions of elements individually or collectively to the entire disclosure.

Claims

1. A mold flipping mechanism, mounted on a vertically movable upper template (11), characterized in that, include A fixing seat (12) is provided on the upper template (11); A main shaft (13) is provided on the fixed base (12) and is movable along the axial direction; A telescopic cylinder (14) is provided on the upper template (11) or the fixed seat (12) and connected to the first end of the main shaft (13). The telescopic cylinder (14) drives the main shaft (13) to move along its axial direction. A first bracket (15) is mounted on the fixed base (12) and can rotate around the main shaft (13); A second support (16) is provided at the second end of the main shaft (13), and the second support (16) can move with the main shaft (13) to move away from or closer to the first support (15); A third support (17) is connected to the second support (16). The third support (17) is provided with a worktable (18). The worktable (18) is used to install the upper mold of the mold. The third support (17) and the first support (15) slide in cooperation along the axial direction of the main shaft (13). The third support (17) moves with the second support (16) along the axial direction of the main shaft (13). A drive assembly is provided on the fixed base (12) for driving the first bracket (15) and the second bracket (16) to rotate around the main shaft (13) so as to realize the flipping of the worktable (18).

2. The upper mold flipping mechanism according to claim 1, characterized in that, The drive assembly includes a rack disposed on the fixed base (12), at least one drive gear (20) meshing with the rack, and a power component disposed on the fixed base (12) for driving the rack. The rack slides on the fixed base (12) and drives the drive gear (20) to rotate. The fixed base (12) is also provided with a first gear (22) that is coaxial with the main shaft (13) and rotatable. The first bracket (15) is connected to the first gear (22), and the first gear (22) is in transmission cooperation with the drive gear (20).

3. The upper mold flipping mechanism according to claim 2, characterized in that, The power component is a hydraulic cylinder or an electric motor.

4. The upper mold flipping mechanism according to claim 2, characterized in that, There are two drive gears (20), both of which are connected to a first gear shaft. The first gear shaft is located on the fixed seat (12). One of the drive gears (20) meshes with the rack, and the other meshes with the first gear (22).

5. The upper mold flipping mechanism according to claim 2, characterized in that, The second end of the main shaft (13) is provided with a second gear (23) and a fixing plate (24). The second gear (23) is coaxial with the main shaft (13) and rotatably disposed. The second bracket (16) is connected to the second gear (23). The fixing plate (24) is provided with a rotatable third gear (25), which meshes with the second gear (23).

6. The upper mold flipping mechanism according to claim 5, characterized in that, The second gear shaft of the third gear (25) is on the same axis as the gear shaft of the drive gear (20).

7. The upper mold flipping mechanism according to claim 5, characterized in that, A self-locking deceleration component (26) is also installed on the fixed plate (24), and the third gear (25) is connected to the self-locking deceleration component through the second gear shaft.

8. The upper mold flipping mechanism according to claim 1, characterized in that, The third support (17) has a recessed groove on its side and a slide rail on the upper template (11). The length direction of the groove and the slide rail is set along the axial direction of the main shaft (13). Through the cooperation of the groove and the slide rail, the third support (17) and the worktable (18) can be installed on the upper template (11).

9. The upper mold flipping mechanism according to claim 8, characterized in that, The first bracket (15) is provided with a protrusion, which is slidably engaged in the groove so that the third bracket (17) and the first bracket (15) are slidably engaged.

10. The upper mold flipping mechanism according to claim 1, characterized in that, The telescopic cylinder (14) includes a cylinder body and a piston. The piston moves within the cylinder body and is fixedly connected to the upper template (11) via a connecting rod and a connecting frame. The main shaft (13) has a hollow structure and is the cylinder body.

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