CN219276437U

CN219276437U - Multi-station automatic ejection die for clutch facing

Info

Publication number: CN219276437U
Application number: CN202223374557.0U
Authority: CN
Inventors: 王宗和; 廖翔宇; 刘丁敏; 叶丰; 徐长城; 程慧玲; 叶伟英
Original assignee: ZHEJIANG KEMA FRICTION MATERIALS CO LTD
Current assignee: ZHEJIANG KEMA FRICTION MATERIALS CO LTD
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-06-30
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a multi-station automatic ejection die for clutch facing, wherein a plurality of arc grooves are arrayed at the bottom of a die cavity of a lower die, the cross section of each arc groove is in an inverted trapezoid shape, the middle parts of two sides of each arc groove are respectively provided with an anti-overflow step, a lower die plate is provided with a position avoiding groove for drinking each arc groove, the lower part of the lower die plate is connected with a device plate in a lifting manner, the device plate is provided with a corresponding ejection piece, the top end of the ejection piece is provided with an ejection block, the shape of the ejection block corresponds to the arc grooves and the anti-overflow steps in the arc grooves, the ejection block is inserted from the upper part of the arc grooves and is connected with the device plate through a connecting piece, the joint of the ejection block and the die cavity is not easy to overflow, ejection is not required to wait for cooling of the clutch facing, and the ejected clutch facing is not easy to deform.

Description

Multi-station automatic ejection die for clutch facing

Technical Field

The utility model relates to a multi-station automatic ejection die for clutch facing.

Background

The patent with publication number CN206589235U discloses a clutch facing multistation automatic ejection mould, and it ejects clutch facing through a plurality of jack posts that lift connection is in the die cavity bottom, and it still has following problem: the joint of the top column and the die cavity lacks a sealing structure, and overflow phenomenon is easy to occur at the position during die pressing; the contact area of the ejector post and the clutch facing is small, the clutch facing can be ejected out of the lower die after being thoroughly cooled, otherwise, marks can be left on the bottom surface of the clutch facing, deformation of the clutch facing can be even caused when the marks are serious, the ejection needs to be waited for a long time, and the use is inconvenient.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a die which is not easy to overflow and is convenient for ejecting clutch facing.

The technical scheme of the utility model is as follows: the utility model provides a clutch facing multistation automatic ejection mould, includes the cope match-plate pattern, is fixed in the cope match-plate pattern on last mould, lower bolster and be fixed in the lower bolster on last mould and the lower bolster, be equipped with corresponding die cavity on last mould and the lower bolster, the die cavity bottom array of lower bolster has a plurality of arc grooves, each the section of arc groove is the reverse trapezoid, and each arc groove's both sides middle part still has an anti-overflow step respectively, have the keep away the position groove to drinks each arc groove on the lower bolster, the lower bolster below lift is connected with the equipment board, be equipped with multiunit and lower bolster quantity and position corresponding and the annular ejector piece of array, the top of ejector piece has the ejecting piece of corresponding arc groove, the shape of ejecting piece is corresponding with the anti-overflow step in arc groove and the arc groove, the ejecting piece inserts from the arc groove top and is connected with the equipment board through the connecting piece;

preferably, six upper dies are arranged on the upper die plate, six lower dies are arranged on the lower die plate, and the six upper dies and the six lower dies are respectively arranged at the bottom of the upper die plate and the top of the lower die plate in an array mode.

Optionally, the number of the equipment boards is equal to the number of the upper die and the lower die when the equipment boards are provided with one or more pieces, and each equipment board is lifted by an independent driving mechanism.

Specifically, the equipment board is lifted and lowered through the hydraulic cylinder and the support.

Further, a guide hole is formed in the middle of the lower template, a guide column is arranged in the middle of the equipment plate, and the guide column is connected to the guide hole in a sliding mode.

Specifically, the connecting piece is arc connecting strip, the connecting piece passes and keeps away the position groove and its upper and lower both ends are connected ejecting piece bottom and equipment board top respectively.

Further, the device also comprises a heating device, wherein the heating device is annular, the die cavity of the lower die is an annular die cavity, and the heating device is arranged on the inner ring of the die cavity.

Further, the upper end of the inner ring of the die cavity is also provided with a ring-shaped edge, and the heating device is positioned on the inner side of the ring-shaped edge.

Further, the device comprises a workbench, the lower die is fixed on the workbench, the device board is arranged below the workbench, and a groove body corresponding to the connecting piece is further arranged on the workbench.

Furthermore, guide posts are respectively arranged on the four corners of the lower template, and guide holes corresponding to the guide posts are formed in the upper template.

The beneficial effects of the utility model are as follows: due to the shape and structure design of the ejection block and the arc-shaped groove, the ejection block is tightly matched with the arc-shaped groove, and the overflow phenomenon between the ejection block and the arc-shaped groove can not be generated in the mould pressing process of a winding blank of the clutch; after the die pressing is finished, the ejection block is driven by the equipment plate to rise, and as a plurality of arc ejection blocks act on the bottom of the clutch surface piece simultaneously, the clutch surface piece is stressed more uniformly in the ejection process, can be completely ejected without waiting for thorough cooling, and is not easy to deform in the ejection process.

Drawings

FIG. 1 is a schematic view of the structure of a lower die plate of the present utility model;

FIG. 2 is a schematic view of the structure of the lower die of the present utility model;

FIG. 3 is a partial cross-sectional view of a lower die plate of the present utility model;

fig. 4 is a schematic structural view of an ejector block according to the present utility model.

In the figure: the device comprises a lower die plate 1, a lower die 2, a die cavity 3, an arc-shaped groove 4, an overflow-preventing step 5, a clearance groove 6, a device plate 7, an ejection block 8, a guide post 9, a connecting piece 10, a heating device 11, an annular edge 12 and a guide rod 13.

Detailed Description

The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.

Referring to fig. 1-4, a clutch facing multi-station automatic ejection die comprises an upper die plate, an upper die fixed on the upper die plate, a lower die plate 1 and a lower die 2 fixed on the lower die plate 1, wherein corresponding die cavities 3 are arranged on the upper die and the lower die 2;

the bottom of the die cavity 3 of the lower die 2 is provided with a plurality of arc grooves 4 in an array, the cross section of each arc groove 4 is in an inverted trapezoid shape, the middle parts of two sides of each arc groove 4 are respectively provided with an anti-overflow step 5, the lower die plate 1 is provided with a position avoiding groove 6 for drinking each arc groove 4, the lower part of the lower die plate 1 is connected with a device plate 7 in a lifting manner, the device plate 7 is provided with a plurality of groups of ejection pieces which correspond to the lower die 2 in number and position and are in an annular array, the top end of each ejection piece is provided with an ejection block 8 corresponding to the arc groove 4, the shape of each ejection block 8 corresponds to the arc groove 4 and the anti-overflow step 5 in the arc groove 4, and each ejection block 8 is inserted from the upper part of the arc groove 4 and is connected with the device plate 7 through a connecting piece 10;

in the initial state, the equipment is in a descending state, each ejection block 8 is matched in the arc-shaped groove 4, the top surface of each ejection block is flush with the bottom of the arc-shaped groove 4, and due to the shape and structure design of the ejection blocks 8 and the arc-shaped groove 4, the ejection blocks 8 are tightly matched with the arc-shaped groove 4, and the overflow phenomenon of a winding blank of the clutch cannot be generated between the ejection blocks 8 and the arc-shaped groove 4 in the mould pressing process; after the die pressing is finished, the ejection block 8 is driven by the equipment plate 7 to rise, and as a plurality of arc ejection blocks 8 act on the bottom of the clutch surface piece simultaneously, the force applied to the clutch surface piece in the ejection process is more uniform, the clutch surface piece can be completely ejected without waiting for thorough cooling, and deformation is not easy to generate in the ejection process.

Preferably, as shown in fig. 1, six upper dies are disposed on the upper die plate, six lower dies 2 are disposed on the lower die plate 1, and the six upper dies and the six lower dies 2 are respectively arrayed at the bottom of the upper die plate and the top of the lower die plate 1, so as to maximize the utilization space.

In another embodiment, the number of the equipment plates 7 is equal to that of the upper die and the lower die 2 when the equipment plates 7 are provided with one or more pieces, and each equipment plate 7 is lifted by an independent driving mechanism so that each group of ejection blocks 8 can be lifted independently;

specifically, the equipment board 7 is lifted and lowered by a hydraulic cylinder and a bracket.

In another embodiment, as shown in fig. 1-3, the middle part of the lower template 1 is provided with a guiding hole, the middle part of the equipment board 7 is provided with a guiding post 9, the guiding post 9 is slidably connected to the guiding hole, and the structure mainly ensures that the equipment board 7 cannot deviate in the lifting process.

In another embodiment, as shown in fig. 4, the connecting piece 10 is an arc connecting strip, the connecting piece 10 passes through the avoidance slot 6, the upper end and the lower end of the connecting piece are respectively connected with the bottom of the ejection block 8 and the top of the equipment board 7, and the width of the connecting piece 10 is smaller than the width of the bottom of the ejection block 8, so that the lifting of the connecting piece is smoother.

In another embodiment, as shown in fig. 3, the mold further includes a heating device 11, the heating device 11 is annular, the mold cavity 3 of the lower mold 2 is an annular mold cavity 3, the heating device 11 is disposed on an inner ring of the mold cavity 3, and compared with the heating device 11 disposed at the bottom of the lower mold 2, the design in this embodiment makes it less susceptible to extrusion and thus less prone to damage.

In another embodiment, as shown in fig. 2 and 3, the upper end of the inner ring of the die cavity 3 is further provided with a ring-shaped edge 12, the heating device 11 is located inside the ring-shaped edge 12, and the ring-shaped edge 12 is mainly used for preventing the heating device 11 from being knocked when the winding blank is put into the lower die 2.

In another embodiment, the device further comprises a workbench, the lower die 2 is fixed on the workbench, the device plate 7 is arranged below the workbench, and a groove corresponding to the connecting piece 10 is further arranged on the workbench.

In another embodiment, guide rods 13 are further disposed at four corners of the lower die plate 1, and guide holes corresponding to the guide rods 13 are formed in the upper die plate to ensure accurate die assembly of the upper die and the lower die 2.

Claims

1. The utility model provides an automatic ejecting mould of clutch facing multistation, includes the cope match-plate pattern, is fixed in last mould, lower bolster (1) on the cope match-plate pattern and is fixed in lower bolster (2) on lower bolster (1), be equipped with die cavity (3) that correspond on last mould and lower bolster (2), characterized by, die cavity (3) bottom array of lower bolster (2) has a plurality of arc wall (4), each the section of arc wall (4) is the reverse trapezoid, and each arc wall (4) both sides middle part still has an anti-overflow step (5) respectively, have on lower bolster (1) to keeping away position groove (6) of each arc wall (4), lower bolster (1) below lift is connected with equipment board (7), be equipped with multiunit and lower bolster (2) quantity and position on the equipment board (7) and the corresponding and the array is annular ejecting piece, the top of ejecting piece has ejecting piece (8) of corresponding arc wall (4), the shape of ejecting piece (8) and arc wall (4) and anti-overflow step (5) in arc wall (4) and the corresponding arc wall (4) is inserted by arc wall (8) and is connected with arc wall (7) side (10) by arc wall (7).

2. The multi-station automatic ejection die for clutch facing according to claim 1, wherein six upper dies are arranged on the upper die plate, six lower dies (2) are arranged on the lower die plate (1), and the six upper dies and the six lower dies (2) are respectively arrayed at the bottom of the upper die plate and the top of the lower die plate (1).

3. A clutch facing multi-station automatic ejection die as claimed in claim 2, wherein the number of the equipment plates (7) is equal to the number of the upper and lower dies (2) when the number of the equipment plates (7) is one or more, and each equipment plate (7) is lifted by an independent driving mechanism.

4. A clutch facing multi-station automatic ejection die as claimed in claim 3, wherein the equipment plate (7) is lifted and lowered by means of hydraulic cylinders and brackets.

5. The multi-station automatic ejection die for clutch facing according to claim 4, wherein a guide hole is formed in the middle of the lower die plate (1), a guide column (9) is arranged in the middle of the equipment plate (7), and the guide column (9) is slidably connected to the guide hole.

6. The multi-station automatic ejection die for clutch facing according to claim 5, wherein the connecting piece (10) is an arc-shaped connecting strip, the connecting piece (10) penetrates through the clearance groove (6) and the upper end and the lower end of the connecting piece are respectively connected with the bottom of the ejection block (8) and the top of the equipment plate (7).

7. The multi-station automatic ejection die for clutch facing according to claim 6, further comprising a heating device (11), wherein the heating device (11) is annular, the die cavity (3) of the lower die (2) is an annular die cavity (3), and the heating device (11) is arranged on the inner ring of the die cavity (3).

8. A multi-station automatic ejection die for clutch facing according to claim 7, wherein the upper end of the inner ring of the die cavity (3) is further provided with a ring-shaped edge (12), and the heating device (11) is positioned inside the ring-shaped edge (12).

9. The multi-station automatic ejection die for clutch facing according to claim 8, further comprising a workbench, wherein the lower die (2) is fixed on the workbench, the equipment plate (7) is arranged below the workbench, and a groove body corresponding to the connecting piece (10) is further arranged on the workbench.

10. The multi-station automatic ejection die for clutch facing according to claim 9, wherein guide posts (9) are further arranged on four corners of the lower die plate (1), and guide holes corresponding to the guide posts (9) are formed in the upper die plate.