CN219055470U

CN219055470U - Die box locking mechanism of mechanical self-locking vibration forming machine

Info

Publication number: CN219055470U
Application number: CN202223505598.9U
Authority: CN
Inventors: 孙德训; 赵志强
Original assignee: Shandong Huapeng Heavy Industry Co ltd
Current assignee: Shandong Huapeng Heavy Industry Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-05-23
Anticipated expiration: 2032-12-15

Abstract

The utility model relates to a die box locking mechanism of a mechanical self-locking vibration forming machine, which comprises a base, a pressing arm, a connecting rod, a crank arm and a driving cylinder, wherein the pressing arm, the connecting rod, the crank arm and the driving cylinder are arranged on the base, the middle part of the pressing arm is hinged with the upper part of the base, one end of the pressing arm is hinged with one end of the connecting rod, the other end of the connecting rod is hinged with the middle part of the crank arm, one end of the crank arm is hinged with the middle part of the base, the other end of the crank arm is hinged with one end of the driving cylinder, and the other end of the driving cylinder is hinged with the lower part of the base. In the locking position, the mechanism part pressing arm, the connecting rod and the crank arm realize mechanical self-locking, thereby realizing reliable locking. The locking device has a simple structure, can be locked or unlocked according to the requirements, is convenient and quick to operate, has large locking force during locking, is stable and reliable in the locking process, can stably buckle the sealing cover on the die box, and provides important conditions for realizing good sealing between the die box and the sealing cover and between the die box and the base where the die box is located through reliable locking.

Description

Die box locking mechanism of mechanical self-locking vibration forming machine

Technical Field

The utility model relates to a die box locking mechanism of a mechanical self-locking vibration forming machine, and belongs to the technical field of vibration forming machines.

Background

A vibration shaper for producing carbon products is a large-scale production and manufacture equipment, and is characterized in that kneaded paste is added into a mould box of the vibration shaper, and the vibration of a vibration platform is utilized to perform vibration shaping on the carbon paste. In order to ensure the quality of the product, the gas in the paste is required to be discharged as much as possible, so a sealing cover is arranged above the die box, the gas in the paste in the die box is discharged through a vacuumizing system, and in order to ensure the vacuumizing effect, the die box, the sealing cover and a vibrating platform where the die box is positioned are required to keep good sealing performance.

The sealed connection between the sealing cover and the mould box can be buckled on the mould box by utilizing the gravity of the sealing cover, but if the gravity action of the sealing cover is only utilized, the buckling position of the sealing cover and the mould box can generate relative movement in the vibration process to generate the air leakage problem, so that the quality of a product is poor, and therefore, a locking mechanism is required to reliably lock the mould box, the sealing cover and the vibration platform so as to ensure the sealing performance of the mould box.

The existing locking mechanism between the die box and the sealing cover also controls the locking and releasing of the locking mechanism by means of the elasticity of the springs and the hydraulic cylinder, and the elasticity of the springs is changed along with the use of the springs due to the difference of the elasticity of the springs, so that the locking mechanism is difficult to adjust, the locking mechanism works unstably and unreliably, and the product quality and the production efficiency of carbon product production are seriously affected. The utility model aims to solve the problems and ensure the reliable operation of the locking mechanism, thereby ensuring the product quality and the production efficiency of the produced carbon product.

Disclosure of Invention

The utility model provides a mechanical self-locking type vibrating forming machine die box locking mechanism aiming at the defects in the prior art.

The technical scheme for solving the technical problems is as follows: the utility model provides a mechanical self-locking type vibration molding machine mould case locking mechanism, includes the base, sets up press arm, connecting rod, turning arm and the actuating cylinder on the base, press the middle part of arm with the upper portion of base is articulated, press the one end of arm with the one end of connecting rod is articulated, the other end of connecting rod with the middle part of turning arm is articulated, the one end of turning arm with the middle part of base is articulated, the other end with the one end of actuating cylinder is articulated, the other end of actuating cylinder with the lower part of base is articulated.

The beneficial effects of the utility model are as follows: the cylinder body of the driving cylinder is hinged with the base, the hinge point can be used as a fulcrum for movement, the requirement of the movement amount of the driving cylinder when the piston rod stretches or contracts is met, one end of the crank arm is hinged with the base, the other end of the crank arm is hinged with the driving cylinder, the crank arm is convenient to drive the crank arm to swing through the driving cylinder, a connecting rod is hinged between the crank arm and the pressing arm, the pressing arm can rotate by taking the hinge point of the pressing arm and the base as the fulcrum, the piston rod of the driving cylinder moves inwards, the free end of the pressing arm presses downwards and can act on a sealing cover fastened on a die box to compress the sealing cover, the piston rod of the driving cylinder contracts, the hinge point of the connecting rod and the crank arm moves outwards, the hinge point of the pressing arm and the connecting rod moves downwards, the free end of the pressing arm lifts away from the sealing cover, and locking force is not applied to the sealing cover. The locking device has a simple structure, can be locked or unlocked according to the requirements, is convenient and quick to operate, has large locking force during locking, is stable and reliable in the locking process, can stably buckle the sealing cover on the die box, and provides important conditions for realizing good sealing between the die box and the sealing cover and between the die box and the base where the die box is located through reliable locking.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, in the locking state, the pressing arm, the connecting rod and the crank arm form a mechanical self-locking structure.

The driving cylinder has the advantages that the piston rod of the driving cylinder is extended to lock the pressing arm, the connecting rod and the crank arm form a mechanical self-locking structure, namely, the hinge point of the connecting rod and the crank arm, the hinge point of the pressing arm and the connecting rod can form a self-locking dead point with the three points of the hinge point of the crank arm and the base seat, the self-locking state is broken only through external force, namely, the self-locking state can be broken only through the shrinkage of the piston rod of the driving cylinder, no reaction force is generated on the driving cylinder through the locking self-locking structure, the stress of the driving cylinder can be reduced or even avoided, the pressing force of the pressing arm is ensured, and the influence of vibration on the locking mechanism is avoided.

Furthermore, the crank arm is of an L-shaped structure, and the connecting rod is hinged with the inflection point of the crank arm.

The beneficial effect of adopting above-mentioned further scheme is, L type turning arm one end is articulated with the base, and one end is articulated with the piston rod of actuating cylinder, and the connecting rod is articulated with the turning arm, and cooperation connecting rod and arm can realize that three points are a line forms the auto-lock when locking, guarantees the clamp force of arm and reduces the atress of actuating cylinder again simultaneously, can break the auto-lock through the actuating cylinder when need not locking and realize that the arm lifts up.

Further, a pressing head is arranged at the other end of the pressing arm.

The beneficial effect of adopting above-mentioned further scheme is, of course can directly act on the sealed cowling or on some part of sealed cowling through the free end of pressing the arm, also can adopt the pressure head, and the pressure head can carry out the adaptation according to the structure of action position on the one hand, and the effect is more stable, and on the other hand pressure head is convenient for change and maintenance, and maintenance cost is low.

Further, the pressure head is arranged on the pressure arm in a position-adjustable mode.

The sealing cover and the die box are locked and matched by adopting the further scheme, the position of the pressure head can be properly adjusted according to the position height of the sealing cover part, so that the pressure head can realize the locking and matching of the sealing cover and the die box more stably and reliably.

Further, the pressing arm is provided with a threaded hole in threaded connection with the pressing head; or the pressing arm is provided with a positioning nut and a through hole, and the pressing head is in threaded connection with the positioning nut.

The pressure head and the pressure arm can be particularly adjustable by adopting a mode of threaded connection of the pressure head and the pressure arm, particularly, the pressure arm is provided with a threaded hole, the pressure head is provided with external threads matched with the threaded hole, and the threaded fit of the pressure head and the pressure arm realizes adjustable position; the nut which can be in threaded connection with the pressing head can be fixed on the pressing arm, so that a through hole on the pressing arm does not need tapping, the pressing head directly adjusts the position of an action point through threaded connection with the nut, the processing is more convenient, and the cost is low.

Further, the base comprises a bottom plate and a pair of vertical plates arranged on the bottom plate in parallel, and a first hinge shaft hinged with the pressing arm, a second hinge shaft hinged with the crank arm and a third hinge shaft hinged with the driving cylinder are arranged between the two vertical plates.

The adoption of the further scheme has the beneficial effects that the lower parts of the pair of plates are connected with the bottom plate, the pair of plates are supported on the bottom plate, the first hinge shaft to the third hinge shaft are connected between the lower parts of the pair of plates, the driving cylinder, the crank arm and the pressing arm are positioned between the vertical plates, the supporting strength is high, the pressing arm can be stably supported, and the locking stability and reliability are ensured.

Further, the device also comprises a fixing seat, wherein the base is arranged on the fixing seat in a position-adjustable manner.

The adoption of the further scheme has the beneficial effects that the locking mechanism can be directly installed on the two sides of the vibration forming machine through the base, the locking mechanism can also be installed through the fixing seat, the fixing seat is additionally arranged, on the one hand, the fixing seat can be installed firstly, then the base is installed on the fixing seat, on the other hand, after the fixing seat is installed, the position of the base on the fixing seat can be adjusted, the position of the pressing arm or the pressing head acting on the sealing cover can be adjusted more conveniently, and the sealing cooperation of the sealing cover and the die box can be realized conveniently.

Further, a guide rail or a guide groove is arranged on the fixing base, a sliding block matched with the guide rail or the guide groove is arranged on the bottom plate, and the bottom plate is connected with the fixing base through a fastener.

The further scheme has the advantages that the position of the base on the fixing seat can be adjusted through the matching of the guide rail and the sliding block or the matching of the guide groove and the sliding block, so that the sealing cover can be buckled on the die box more accurately and stably; once the pressing position of the pressing arm or the pressing head is adjusted to be in place, the bottom plate can be installed on the fixing seat through the fastener, so that the locking mechanism can be accurately positioned.

Further, the fixing seat is connected with the bottom plate through a fastening bolt, a guide groove is formed in the fixing seat, a bolt hole is formed in the bottom plate, the head of the fastening bolt can slide in the guide groove, and the rod portion of the fastening bolt extends out of the guide groove and penetrates through the bolt hole to be locked through a fastening nut.

The beneficial effect of adopting above-mentioned further scheme is, the guide slot is the type structure that falls, but make full use of fastening bolt's head reduces the quantity of spare part, specifically the bolt head can be spacing in the guide slot, can walk along the length direction of guide slot again, adjustable arm or pressure head action point position for the actuating cylinder action, arm or pressure head can be accurate when locking the sealed cowling act on the sealed cowling or on the otic placode of sealed cowling or on be the connecting rod between two otic placodes, thereby realize making the sealed cowling stably withhold on the moulding box, the reliable locking provides important condition for moulding box and sealed cowling and moulding box and its place's base realization good seal.

Drawings

FIG. 1 is a schematic view of a locked state front view structure of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model in a locked state;

FIG. 3 is a schematic perspective view of a second locking state angle of the present utility model;

FIG. 4 is a schematic view of a front view of the press arm in a raised state according to the present utility model;

FIG. 5 is a perspective view of the press arm of the present utility model in a raised state at an angle I;

fig. 6 is a schematic perspective view of an angle two of the press arm in a raised state according to the present utility model;

FIG. 7 is a schematic view of a vibration molding machine according to the present utility model;

in the figure, 1, a pressing arm; 2. a connecting rod; 3. a crank arm; 4. a drive cylinder; 5. a base; 51. a bottom plate; 52. a vertical plate; 6. a pressure head; 7. a fixing seat; 71. a guide groove; 72. an outer mounting hole; 8. a first hinge shaft; 9. a second hinge shaft; 10. a third hinge shaft; 11. a fastening bolt; 12. a fastening nut; 13. a locking bolt; 14. a mold box; 15. a sealing cover; 151. ear plates; 16. and (5) a base.

Detailed Description

The principles and features of the present utility model are described below in connection with examples, which are set forth only to illustrate the present utility model and not to limit the scope of the utility model.

As shown in fig. 1-7, a mechanical self-locking type vibration molding machine mold box locking mechanism comprises a base 5, a pressing arm 1, a connecting rod 2, a crank arm 3 and a driving cylinder 4, wherein the pressing arm 1, the connecting rod 2, the crank arm 3 and the driving cylinder 4 are arranged on the base 5, the middle part of the pressing arm 1 is hinged to the upper part of the base 5, one end of the pressing arm 1 is hinged to one end of the connecting rod 2, the other end of the connecting rod 2 is hinged to the middle part of the crank arm 3, one end of the crank arm 3 is hinged to the middle part of the base 5, the other end of the crank arm is hinged to a piston rod of the driving cylinder 4, and the cylinder body of the driving cylinder 4 is hinged to the lower part of the base 5.

In the locking state, the pressing arm 1, the connecting rod 2 and the crank arm 3 form a mechanical self-locking structure. The piston rod of the driving cylinder 4 stretches and locks the pressing arm 1, the connecting rod 2 and the crank arm 3 form a mechanical self-locking structure, the hinge point of the connecting rod 2 and the crank arm 3, the hinge point of the pressing arm 1 and the connecting rod 2 and the three-point line of the hinge point of the crank arm 3 and the base 5 form a self-locking dead point, the self-locking state is broken only through external force, that is, the self-locking state can be broken only through the shrinkage of the piston rod of the driving cylinder 4, the stress of the driving cylinder 4 can be reduced or even avoided through the locking self-locking structure, the pressing force of the pressing arm 1 is ensured, and the influence of vibration on the locking mechanism is avoided.

The connecting rod 2 is hinged with the inflection point position of the connecting lever 3. One end of the L-shaped crank arm 3 is hinged with the base 5, the other end of the L-shaped crank arm is hinged with a piston rod of the driving cylinder 4, the connecting rod 2 is hinged with the crank arm 3, the connecting rod 2 and the pressing arm 1 are matched to form mechanical self-locking when in locking, the pressing force of the pressing arm 1 is ensured, meanwhile, the stress of the driving cylinder 4 is reduced, and the pressing arm 1 can be lifted only by breaking the self-locking through the driving cylinder 4 when no locking is needed.

The other end of the pressing arm 1 is provided with a pressing head 6. Of course, the free end of the through overpressure arm 1 can directly act on the sealing cover 15 or a part of the sealing cover 15, and the pressure head 6 can also be adopted, so that on one hand, the pressure head 6 can be adapted according to the structure of an acting part, the action is more stable, on the other hand, the pressure head 6 is convenient to replace and maintain, and the maintenance cost is low.

The pressure head 6 is arranged on the pressure arm 1 in a position-adjustable mode. The position of the pressure head 6 can be properly adjusted according to the position height of the part of the sealing cover 15 to be acted on, so that the pressure head 6 can realize the locking fit of the sealing cover 15 and the die box 14 more stably and reliably.

The pressing arm 1 is provided with a threaded hole in threaded connection with the pressing head 6; or the pressing arm 1 is provided with a positioning nut and a through hole, and the pressing head 6 is in threaded connection with the positioning nut. The pressure head 6 and the pressure arm 1 can be specifically adjustable, and the pressure head 6 and the pressure arm 1 are in threaded connection, in particular, a threaded hole is formed in the pressure arm 1, an external thread matched with the threaded hole is formed in the pressure head 6, and the threaded matching of the pressure head 6 and the pressure arm 1 realizes adjustable position; the nut which can be in threaded connection with the pressing head 6 can be fixed on the pressing arm 1, so that a through hole in the pressing arm 1 does not need tapping, the pressing head 6 is directly connected with the nut in a threaded manner to adjust the position of an action point, the processing is more convenient, and the cost is low.

The base 5 comprises a bottom plate 51 and a pair of vertical plates 52 arranged on the bottom plate 51 in parallel, and a first hinge shaft 8 hinged with the pressing arm 1, a second hinge shaft 9 hinged with the turning arm 3 and a third hinge shaft 10 hinged with the driving cylinder 4 are arranged between the two vertical plates 52. The lower parts of the pair of vertical plates 52 are connected with the bottom plate 51, supported on the bottom plate 51, a first hinge shaft 8, a second hinge shaft 9 and a third hinge shaft 10 are arranged between the upper parts of the pair of vertical plates, and the driving cylinder 4, the crank arm 3 and the pressing arm 1 are positioned between the vertical plates 52, so that the support strength is high, the stable support of the pressing arm 1 can be realized, and the locking stability and reliability are ensured.

The device also comprises a fixing seat 7, wherein the position of the base 5 is adjustable and arranged on the fixing seat 7. Of course, the locking mechanism can be directly installed on two sides of the vibration forming machine through the base 5, and also can be installed through the fixing seat 7, on the one hand, the fixing seat 7 is additionally arranged, on the other hand, the fixing seat 7 can be installed firstly, then the base 5 is installed on the fixing seat 7, on the other hand, after the fixing seat 7 is installed, the position of the base 5 on the fixing seat 7 can be adjusted, the position of the pressing arm 1 or the pressing head 6 acting on the sealing cover can be adjusted more conveniently, and the sealing cooperation of the sealing cover and the die box can be realized conveniently.

The fixing seat 7 is provided with a guide rail or a guide groove 71, the bottom plate 51 is provided with a slide block matched with the guide rail or the guide groove 71, and the bottom plate 51 is connected with the fixing seat 7 through a fastener. The position of the base 5 on the fixed seat 7 can be adjusted by the cooperation of the guide rail and the sliding block or the cooperation of the guide groove 71 and the sliding block, so that the sealing cover can be buckled on the die box more accurately and stably; once the pressing position of the pressing arm 1 or the pressing head 6 is adjusted to be in place, the bottom plate 51 can be mounted on the fixing seat 7 through a fastener, so that the locking mechanism can be accurately positioned. The fixing seat 7 is also provided with an external mounting hole 72, and the fixing seat 7 can realize external mounting of the fixing seat 7 through the locking bolt 13.

The fixing seat 7 is connected with the bottom plate 51 through a fastening bolt 11, a guide groove 71 is formed in the fixing seat 7, a bolt hole is formed in the bottom plate 51, the head of the fastening bolt 11 can slide in the guide groove 71, and the rod portion of the fastening bolt 11 extends out of the guide groove 71 and penetrates through the bolt hole to be locked through a fastening nut 12. The guide slot 71 is of an inverted T-shaped structure, the head of the fastening bolt 11 can be fully utilized, the number of parts is reduced, particularly, the head of the bolt can be limited in the guide slot 71 and can walk along the length direction of the guide slot 71, the position of the action point of the pressing arm 1 or the pressing head 6 can be adjusted, the driving cylinder 4 can act, the pressing arm 1 or the pressing head 6 can accurately act on the sealing cover 15 or the lug plate 151 of the sealing cover 15 or the connecting rod 2 between the two lug plates 151 when the sealing cover is locked, and therefore the sealing cover 15 is stably buckled and pressed on the die box 14, and the problem of air leakage of the vibration forming machine in the vibration process is avoided.

As shown in fig. 7, the vibration molding machine includes a mold box 14 and a sealing cover 15 disposed above the mold box 14, wherein ear plates 151 are respectively disposed on two sides of the sealing cover, and at least two locking mechanisms are respectively disposed on a base 16 of the vibration molding machine, and the base 16 may be a vibration platform. The locking mechanism can directly act on the lug plate through the pressing arm 1 or the pressing head 6 to buckle the sealing cover 15 on the die box 14; or the flat bars are arranged between the lug plates 151 positioned on the same side, the pressing arms 1 or the pressing heads 6 of the locking mechanism are used for pressing the sealing cover 15 on the die box 14 in a sealing way through acting on the flat bars, the installation positions of the locking mechanisms correspond to the positions of the flat bars, and the installation positions of the locking mechanisms can be determined according to the force application positions of the locking mechanisms on the sealing cover 15, so that reliable locking between the sealing cover 15 and the die box 14 and between the die box 14 and the base 16 is realized, and important conditions are provided for realizing good sealing between the die box 14 and the sealing cover 15 and between the die box 14 and the base 16 where the die box is positioned through reliable locking, so that the production process requirements of the vibration forming machine are met.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a mechanical self-locking type vibration molding machine mould case locking mechanism which is characterized in that, including base (5), pressure arm (1), connecting rod (2), turning arm (3) and actuating cylinder (4) of setting on base (5), the middle part of pressure arm (1) with the upper portion of base (5) is articulated, the one end of pressure arm (1) with the one end of connecting rod (2) is articulated, the other end of connecting rod (2) with the middle part of turning arm (3) is articulated, the one end of turning arm (3) with the middle part of base (5) is articulated, the other end with the one end of actuating cylinder (4) is articulated, the other end of actuating cylinder (4) with the lower part of base (5) is articulated.

2. The mechanical self-locking type vibrating forming machine die box locking mechanism according to claim 1, wherein in a locking state, the pressing arm (1), the connecting rod (2) and the crank arm (3) form a mechanical self-locking structure.

3. The mechanical self-locking type vibration molding machine die box locking mechanism according to claim 1, wherein the crank arm (3) is of an L-shaped structure, and the connecting rod (2) is hinged with the inflection point position of the crank arm (3).

4. A mechanical self-locking vibrating forming machine mould box locking mechanism according to claim 1 or 2 or 3, characterized in that the other end of the pressing arm (1) is provided with a pressing head (6).

5. The mechanical self-locking vibratory forming machine mold box locking mechanism of claim 4, wherein the ram (6) is adjustably positioned on the ram arm (1).

6. The mechanical self-locking type vibration molding machine die box locking mechanism according to claim 5, wherein the pressing arm (1) is provided with a threaded hole in threaded connection with the pressing head (6); or the pressing arm (1) is provided with a positioning nut and a through hole, and the pressing head (6) is in threaded connection with the positioning nut.

7. A mechanical self-locking vibrating forming machine mould box locking mechanism according to claim 1, 2 or 3, characterized in that the base (5) comprises a bottom plate (51) and a pair of parallel vertical plates (52) arranged on the bottom plate (51), a first hinge shaft (8) hinged with the pressing arm (1), a second hinge shaft (9) hinged with the crank arm (3) and a third hinge shaft (10) hinged with the driving cylinder (4) are arranged between the two vertical plates (52).

8. The mechanical self-locking vibratory forming machine mold box locking mechanism of claim 7, further comprising a fixed seat (7), wherein the base (5) is adjustably positioned on the fixed seat (7).

9. The mechanical self-locking type vibrating forming machine die box locking mechanism according to claim 8, wherein a guide rail or a guide groove (71) is arranged on the fixing base (7), a sliding block matched with the guide rail or the guide groove (71) is arranged on the bottom plate (51), and the bottom plate (51) is connected with the fixing base (7) through a fastener.

10. The mechanical self-locking type vibration molding machine die box locking mechanism according to claim 8, wherein the fixing base (7) is connected with the bottom plate (51) through a fastening bolt (11), a guide groove (71) is formed in the fixing base (7), a bolt hole is formed in the bottom plate (51), the head of the fastening bolt (11) can slide in the guide groove (71), and the rod portion of the fastening bolt (11) extends out of the guide groove (71) and passes through the bolt hole to be locked through a fastening nut (12).