阅读说明：本技术 一种底盘成型模具的锁紧机构及其锁紧装置 (Locking mechanism of chassis forming die and locking device thereof ) 是由 周野 胡世阖 陈永星 王飞 于 2021-07-26 设计创作，主要内容包括：本发明公开了一种底盘成型模具的锁紧机构及其锁紧装置,以实现底盘成型模具的简单快速地自动锁模。具体地,锁紧机构包括多个设置在模台上的锁紧组件,底盘成型模具设置在模台上,锁紧组件分布在底盘成型模具的两侧；每一锁紧组件均包括设置在模台上的支撑座,底盘成型模具的上模具有向支撑座延伸的延伸部；支撑座上设有锁紧螺母,锁紧螺母设有与其螺纹配合的锁紧螺栓,锁紧螺栓上套接有压块。锁紧装置包括机架,以及设置在机架上并与锁紧组件一一对应的锁模组件。锁模组件能够驱动其对应的锁紧螺栓转动,以使得压块下移并压住上模的延伸部,从而将底盘成型模具的上模和下模自动锁紧并压紧在模台上。(The invention discloses a locking mechanism of a chassis forming die and a locking device thereof, which are used for realizing simple and quick automatic die locking of the chassis forming die. The locking mechanism comprises a plurality of locking assemblies arranged on a die table, a chassis forming die is arranged on the die table, and the locking assemblies are distributed on two sides of the chassis forming die; each locking assembly comprises a supporting seat arranged on the die table, and an upper die of the chassis forming die is provided with an extending part extending towards the supporting seat; and a locking nut is arranged on the supporting seat, a locking bolt in threaded fit with the locking nut is arranged on the locking nut, and a pressing block is sleeved on the locking bolt. The locking device comprises a rack and locking modules which are arranged on the rack and correspond to the locking modules one by one. The mold locking assembly can drive the corresponding locking bolt to rotate, so that the pressing block moves downwards and presses the extending part of the upper mold, and the upper mold and the lower mold of the chassis forming mold are automatically locked and pressed on the mold table.)

1. A locking mechanism of a chassis forming die is used for locking the chassis forming die on a die table; the chassis forming die is characterized by comprising a plurality of locking assemblies arranged on a die table, wherein the chassis forming die is arranged on the die table, and the locking assemblies are distributed on two sides of the chassis forming die;

each locking assembly comprises a supporting seat arranged on the die table, an upper die of the chassis forming die is provided with an extending part extending towards the supporting seat, and the end part of the extending part is lapped on the supporting seat;

the supporting seat is provided with a locking nut, the locking nut is provided with a locking bolt in threaded fit with the locking nut, a pressing block is sleeved on the locking bolt and located above the extending portion, and the pressing block can be pressed on the end portion of the extending portion under the rotating action of the locking bolt.

2. The locking mechanism for a chassis forming mold according to claim 1, wherein two positioning blocks are provided on the supporting base, the two positioning blocks and the locking bolt are arranged in an "Contraband" shape to form a semi-enclosed region, and an end of the extending portion overlaps the semi-enclosed region.

3. A locking device of a locking mechanism, the locking mechanism comprising a plurality of locking assemblies according to claim 1, wherein the locking device comprises a frame, and the frame is provided with mold locking assemblies corresponding to the locking assemblies one by one;

each mold locking assembly comprises a bottom plate, a fixed seat arranged on the bottom plate and a movable seat in up-and-down sliding fit with the fixed seat; the bottom plate is arranged on the rack, and the fixed seat is provided with a first cylinder for driving the movable seat to move up and down; the movable seat is provided with a servo motor and a locking head which are in transmission connection, and the locking head is located right above a locking bolt of the locking assembly.

4. A locking mechanism as claimed in claim 3, wherein said locking head is drivingly connected to said servo motor by a cross universal joint.

5. The locking device of a locking mechanism according to claim 3, wherein a fixed plate is arranged below the movable seat, a supporting plate is sleeved on the locking head, and the supporting plate is elastically connected with the fixed plate through a spring element.

6. The locking device of a locking mechanism according to claim 3, wherein a reinforcing plate is vertically provided on the back of the fixed seat, and the movable seat is slidably provided on the front of the fixed seat through a slide rail.

7. A locking mechanism as claimed in claim 3, wherein said movable mount is provided with a lower limit sensor.

8. The locking device of a locking mechanism according to any one of claims 3 to 7, further comprising a vibration assembly including a vibration bracket, a vibration motor provided on the vibration bracket, and a driving unit for driving the vibration bracket to move up and down, the driving unit being provided on the frame.

9. The locking mechanism of claim 8 wherein the drive unit includes a mounting base and a first linkage plate, said mounting base being disposed on said frame and said first linkage plate being connected to said shock mount; and a second cylinder which is vertically arranged is arranged on the mounting seat, and an output shaft of the second cylinder penetrates through the mounting seat and is connected to the first connecting plate.

10. The locking mechanism of claim 9 wherein said shock bracket has a second web opposite said first web, and a plurality of resilient pads are disposed between said first web and said second web.

Technical Field

The invention relates to the technical field of dies, in particular to a locking mechanism of a chassis forming die and a locking device thereof.

Background

The mould is an important technical equipment for material forming, and the mould is a tool for making a blank into a product with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of engineering plastics, rubber, ceramics and other products.

At present, the integral bathroom chassis is basically formed by adopting concrete materials and other organic materials through composite pouring and pressing, a forming die mainly comprises an upper die, a lower die and a movable die core, and the upper die and the lower die are locked together during production. At present, a forming die is usually locked manually, the die locking structure is complex, and the problems of long time consumption, low efficiency and high cost of die locking exist.

Therefore, there is a need for an improved mold clamping structure and an automatic mold clamping apparatus.

Disclosure of Invention

Aiming at the problems in the prior art, the invention mainly aims to provide a locking mechanism and a locking device thereof, aiming at realizing simple and quick automatic mode locking of a chassis forming mold.

In order to achieve the purpose, the locking mechanism of the chassis forming die is used for locking the chassis forming die on a die table and comprises a plurality of locking assemblies arranged on the die table, the chassis forming die is arranged on the die table, and the locking assemblies are distributed on two sides of the chassis forming die;

each locking assembly comprises a supporting seat arranged on the die table, an upper die of the chassis forming die is provided with an extending part extending towards the supporting seat, and the end part of the extending part is lapped on the supporting seat;

the supporting seat is provided with a locking nut, the locking nut is provided with a locking bolt in threaded fit with the locking nut, a pressing block is sleeved on the locking bolt and located above the extending portion, and the pressing block can be pressed on the end portion of the extending portion under the rotating action of the locking bolt.

Optionally, two positioning blocks are arranged on the supporting seat, the two positioning blocks and the locking bolt are arranged in an Contraband shape to form a semi-surrounding area, and the end of the extending part is lapped in the semi-surrounding area.

Through adopting above-mentioned locking mechanism, during the mode locking, only need be through rotating each locking bolt for the briquetting moves down and pushes down chassis forming die's the extension of last mould, can be fast with chassis forming die's last mould and lower mould locking and compress tightly at the mould bench, effectively improve mode locking efficiency.

And, above-mentioned locking mechanism can also provide probably for the automatic mode locking of chassis forming die.

Correspondingly, the invention also provides a locking device of the locking mechanism, which comprises a rack, wherein the rack is provided with mold locking assemblies in one-to-one correspondence with the locking assemblies;

each mold locking assembly comprises a bottom plate, a fixed seat arranged on the bottom plate and a movable seat in up-and-down sliding fit with the fixed seat; the bottom plate is arranged on the rack, and the fixed seat is provided with a first cylinder for driving the movable seat to move up and down; the movable seat is provided with a servo motor and a locking head which are in transmission connection, and the locking head is located right above a locking bolt of the locking assembly.

Optionally, the locking head is in transmission connection with the servo motor through a cross universal joint.

Optionally, a fixing plate is arranged below the movable seat, a supporting plate is sleeved on the locking head, and the supporting plate is elastically connected with the fixing plate through a spring piece.

Optionally, the back of the fixed seat is provided with a reinforcing plate in a hanging manner, and the movable seat is arranged on the front of the fixed seat in a sliding manner through a sliding rail.

Optionally, a lower limit sensor is arranged on the movable seat.

Optionally, the locking device further comprises a vibration assembly, the vibration assembly comprises a vibration support, a vibration motor arranged on the vibration support and a driving unit used for driving the vibration support to move up and down, and the driving unit is arranged on the rack.

Optionally, the driving unit comprises a mounting seat and a first connecting plate, the mounting seat is arranged on the rack, and the first connecting plate is connected to the vibration bracket; and a second cylinder which is vertically arranged is arranged on the mounting seat, and an output shaft of the second cylinder penetrates through the mounting seat and is connected to the first connecting plate.

Optionally, the vibration support is provided with a second connecting plate opposite to the first connecting plate, and a plurality of elastic rubber pads are arranged between the first connecting plate and the second connecting plate.

By adopting the locking device, during mold locking, the first cylinder drives the movable seat to drive the servo motor and the locking head to move downwards, so that the locking head is sleeved at the upper end part of the locking bolt, the servo motor drives the locking head to rotate, the locking bolt is driven to rotate, the pressing block is driven to move downwards and press the extending part of the upper mold of the chassis forming mold, and the upper mold and the lower mold of the chassis forming mold are locked and pressed on the mold table.

According to the locking mechanism and the locking device provided by the invention, the locking mechanism and the locking device are matched with each other, so that automatic mode locking of a chassis forming die can be realized, the mode locking efficiency is greatly improved, the production cost can be reduced, and the production safety is improved.

Drawings

FIG. 1 is a schematic structural diagram of a station of a conventional sanitary toilet and bathroom chassis;

FIG. 2 is a schematic structural view of a mold locking mechanism in a station of a sanitary bath chassis;

FIG. 3 is a schematic view of an application of the locking device provided by the present invention;

FIG. 4 is a second schematic view of the locking device according to the present invention;

FIG. 5 is a schematic structural diagram of a mold clamping assembly in the locking device provided by the present invention;

fig. 6 is a schematic structural diagram of a vibration assembly in the locking device provided by the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1, a schematic structural diagram of a conventional sanitary base station is provided, which includes a plurality of bases 200, a mold table 100 disposed on the bases 200, and a base forming mold 300 of a sanitary base disposed on the mold table 100, where the base forming mold 300 includes a lower mold 320 disposed on the mold table 100 and an upper mold 310 disposed on the lower mold 320.

In order to realize the fast mold locking, a locking mechanism is provided in the embodiment of the present invention to fast lock and press the upper mold 310 and the lower mold 320 of the chassis forming mold 300 on the mold table 100. Specifically, as shown in fig. 1-2, the locking mechanism includes four locking assemblies 400 disposed on the mold table 100, and the four locking assemblies 400 are disposed two by two on both sides of the chassis forming mold 300.

Each locking assembly 400 includes a support seat 410 disposed on the die table 100, the upper die 310 of the chassis forming die 300 has an extension 310a extending toward the support seat 410, and an end of the extension 310a overlaps the support seat 410.

A locking nut (not shown) is disposed on the supporting base 410, the locking nut is provided with a locking bolt 420 in threaded fit with the locking nut, a pressing block 421 is sleeved on the locking bolt 420, and the pressing block 421 is located above the extending portion 310 a.

During mold locking, the upper mold 310 and the lower mold 320 of the chassis forming mold 300 can be quickly locked and pressed on the mold table 100 by only rotating the locking bolts 420 to move the pressing block 421 downwards and press the extending part 310a of the upper mold 310 of the chassis forming mold 300, thereby effectively improving the mold locking efficiency.

Moreover, the locking mechanism can also provide possibility for automatic mold locking of the chassis forming mold 300.

Moreover, the locking mechanism is simple in structure and beneficial to implementation.

In the embodiment of the present invention, two positioning blocks 430 are further disposed on the supporting base 410, the two positioning blocks 430 and the locking bolt 420 are arranged in an "Contraband" shape to form a semi-enclosed region, and the end of the extending portion 310a overlaps the semi-enclosed region. Thereby, the upper mold 310 is better locked to prevent radial movement.

Example 2

Aiming at the locking mechanism provided by the embodiment, the invention also provides a locking device matched with the locking mechanism so as to realize the automatic locking of the locking mechanism. Specifically, as shown in fig. 3 to 5, the locking device includes a frame 500, and the frame 500 is provided with mold locking assemblies 600 corresponding to the respective locking assemblies 400 in the locking mechanism.

Each mode locking subassembly 600 all includes bottom plate 610, fixing base 620 and sliding seat 630, and bottom plate 610 sets up on frame 500, and fixing base 620 hangs down to be established on bottom plate 610, and its back is equipped with hangs down and is equipped with reinforcing plate 621, and this reinforcing plate 621 still is perpendicular with bottom plate 610 to increase the structural strength between fixing base 620 and bottom plate 610. The movable base 630 is slidably disposed on the front surface of the fixed base 620 through two vertically disposed slide rails 622, and a servo motor 650 and a locking head 660 are disposed thereon. The servo motor 650 is vertically arranged on the movable base 630 through a motor base 631, and the locking head 660 is located right above the locking bolt 420 and is in transmission connection with the servo motor 650 through a cross universal joint 651.

When the mold is locked, the first cylinder 640 drives the movable seat 630 to drive the servo motor 650 and the locking head 660 to move downwards, so that the locking head 660 is sleeved at the upper end part of the locking bolt 420; then, the servo motor 650 drives the locking head 660 to rotate, and further drives the locking bolt 420 to rotate, so as to drive the pressing block 421 to move downwards and press the extension part 310a of the upper mold 310, thereby locking and pressing the upper mold 310 and the lower mold 320 of the chassis forming mold 300 on the mold table 100.

According to the locking device provided by the invention, the locking mechanism provided by the embodiment 1 is matched, the automatic locking of the chassis forming die 300 can be realized, the locking efficiency is greatly improved, the production cost can be reduced, and the production safety is improved.

Optionally, in the embodiment of the present invention, a fixed plate 632 is disposed below the movable seat 630, a supporting plate 661 is sleeved on the locking head 660, and the supporting plate 661 and the fixed plate 632 are elastically connected through two spring members 670. Thereby, the stability of the locking head 660 when the locking bolt 420 is rotated is maintained.

Optionally, in the embodiment of the present invention, a lower limit sensor (not shown) is disposed on the movable seat 630. In the process that the first cylinder 640 drives the movable seat 630 to drive the servo motor 650 and the locking head 660 to move downwards, the lower limit sensor senses the lower limit and stops moving downwards, so that the safety of the locking device is ensured.

Alternatively, as shown in fig. 2, 3 and 6, in the embodiment of the present invention, a vibration assembly 700 is disposed on the frame 500, the vibration assembly 700 includes a vibration bracket 710, two vibration motors 720 and two driving units 730, the two driving units 730 are disposed on the frame 500, the vibration bracket 710 is disposed at the driving end of the driving unit 730, and the two vibration motors 720 are disposed on the vibration bracket 710.

After the lower limit sensor senses the lower limit, the first air cylinder 640 stops driving the movable seat 630 to move downwards, the servo motor 650 drives the pressing block 421 of the locking bolt 420 to lock the mold, meanwhile, the two driving units 730 drive the vibration support 710 to move downwards and press the upper mold 310 of the chassis forming mold 300, and then the vibration motor 720 is driven to vibrate, so that the slurry poured in the chassis forming mold 300 is uniformly leveled, bubbles in the slurry are extruded, and the uniformity of the slurry is improved.

Specifically, in the embodiment of the present invention, the driving unit 730 includes a mounting seat 731, a first connection plate 732, and a second cylinder 733, and the mounting seat 731 is disposed on the frame 500. The first connection plate 732 is connected to the vibration bracket 710, and guide rods 734 are respectively hung at four corners of the first connection plate, and linear bearings (not shown) corresponding to the four guide rods 734 one by one are provided on the mounting seat 731. The second cylinder 733 is vertically disposed on the mounting seat 731, and an output shaft thereof passes through the mounting seat 731 and is connected to the first connection plate 732. Thus, the vibration supporter 710 is driven by the second cylinder 733 to move down integrally and press-contact the upper mold 310 of the chassis forming mold 300.

Optionally, in the embodiment of the present invention, a second connecting plate 735 is disposed on the vibration bracket 710, opposite to the first connecting plate 732, and elastic rubber pads 736 are disposed between four corners of the second connecting plate 735 and four corners of the first connecting plate 72, respectively. Therefore, the elastic rubber pad 736 can reduce the reaction of the vibration bracket 710 to the driving unit 730.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.