CN219076310U

CN219076310U - Pre-compaction mould and mould unloading mould

Info

Publication number: CN219076310U
Application number: CN202222773865.4U
Authority: CN
Inventors: 邹芹; 任海霞; 李艳国; 李亮; 张红林
Original assignee: Hebei Xmf Tools Group Co ltd
Current assignee: Hebei Xmf Tools Group Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-05-26
Anticipated expiration: 2032-10-20

Abstract

The application relates to a pre-compaction mould and mould unloading mould belongs to the technical field of pre-compaction goods, and it includes the die sleeve, the through-hole has been seted up along self length direction to the top of die sleeve, and the through-hole runs through the bottom of die sleeve, and the die sleeve is provided with stamping device in the through-hole, and stamping device includes pressure head and lower pressure head, goes up pressure head and lower pressure head and all with the through-hole slip adaptation, this application has the effect that improves powder goods quality.

Description

Pre-compaction mould and mould unloading mould

Technical Field

The application relates to the technical field of prepressing products, in particular to a prepressing die and a die unloading die.

Background

Plastic molding is a door engineering technology, and relates to various processes for converting plastics into plastic products. Various conditions such as polymer rheology and physical and chemical properties change during the transformation process, and thus, there are many methods of plastic molding such as compression molding, extrusion molding, and pultrusion molding.

Compression molding, also known as compression molding, is a process in which molding materials are molded in a closed mold cavity by pressure. Compression molding generally consists of three processes, pre-pressing, pre-heating and molding.

In view of the above-mentioned related art, the inventors consider that the powder product has a disadvantage of low quality if the powder is not subjected to the pre-pressing process.

Disclosure of Invention

In order to improve the quality of powder products, the application provides a pre-pressing die and a die unloading die.

The application provides a pre-compaction mould and unloading mould adopts following technical scheme:

the utility model provides a pre-compaction mould, includes the die sleeve, the through-hole has been seted up along self length direction to the top of die sleeve, and the through-hole runs through the bottom of die sleeve, and the die sleeve is provided with stamping device in the through-hole, and stamping device includes pressure head and lower pressure head, goes up pressure head and lower pressure head and through-hole slip fit.

Through adopting above-mentioned technical scheme, insert down the pressure head to the through-hole in earlier, pour weighing good powder into the touch sleeve along the through-hole in again, the level is slight to rock and is made the powder shake evenly, inserts last pressure head to the through-hole in at last, uses the hydraulic press to last pressure head pressurization, makes powder fixed shaping, and the pressure release is taken out the sample after the pre-compaction is accomplished. Through the structure, the quality of the powder product is improved.

Optionally, a reinforcing sleeve is arranged around the outer side of the die sleeve, and the die sleeve is fixed with the reinforcing sleeve.

By adopting the technical scheme, the reinforcing sleeve is favorable for protecting the die sleeve, the contact area is increased, and the stability of the die sleeve is improved.

Optionally, a base is arranged below the die sleeve, a groove is formed in the upper surface of the base, a straight rod is fixedly arranged in the groove, and the straight rod is aligned with the through hole.

Through adopting above-mentioned technical scheme, put down the pressure head directly over the straight-bar, utilize the hydraulic press to press and strengthen cover and die sleeve, under the effort of straight-bar, strengthen cover and die sleeve and move down along the recess, go up the pressure head and be ejected out the through-hole after, extrude the through-hole with the sample again, prevent that the sample from being destroyed, be favorable to taking out of sample.

Optionally, the diameter of the straight rod is smaller than the diameter of the lower pressure head.

Through adopting above-mentioned technical scheme, the diameter of straight pole is less than the diameter of lower pressure head, is favorable to the straight pole to remove along the through-hole to be convenient for go up pressure head and sample ejection.

Optionally, a plurality of spacing bars have set firmly to strengthen the circumference outer wall of cover, and the orientation parallel arrangement is seted up with the through-hole to spacing bar, and the spout with spacing bar slip adaptation has been seted up to the inner wall of base in the recess.

Through adopting above-mentioned technical scheme, when strengthening the cover and follow the recess downwardly moving, spacing moves down along the spout, plays the effect of direction to strengthening the removal of cover and die sleeve, is favorable to taking out to the sample.

The die unloading die comprises die steel, wherein the die steel is U-shaped, the thickness of the die steel is the same as the length of the upper pressure head, and the size of an opening of the die steel is larger than the diameter of the upper pressure head.

Through adopting above-mentioned technical scheme, in the release in-process, put the mould steel of U type to one side of mould to make last pressure head be located the inboard of mould steel, be favorable to taking out last pressure head from the through-hole.

Optionally, the inboard of mould steel is provided with the polylith splint, has set firmly the spring between splint and the mould steel.

Through adopting above-mentioned technical scheme, at the in-process of taking out the powder, go up the pressure head and be located between the splint, when last pressure head upwards moves, under the effect of spring, go up pressure head and splint slip, when last pressure head leaves the through-hole completely, splint play the fixed effect of support to last pressure head.

Optionally, a handle is fixed on one side of the die steel away from the opening.

Through adopting above-mentioned technical scheme, the staff passes through handle pole control die steel, conveniently controls the handle pole, and the staff keeps away from the hydraulic press, is favorable to the protection to the staff.

In summary, the present application includes at least one of the following beneficial technical effects:

1. shaping the powder is realized through the die, the upper pressure head and the lower pressure head, so that the quality of the product is improved in the subsequent processing of the powder;

2. smoothly taking out the sample from the through hole through the die steel and the straight rod;

3. through setting up the handle pole, both made things convenient for the control of mould steel, played the effect of protection to the staff again.

Drawings

FIG. 1 is a schematic structural view of a pre-pressing mold and a mold unloading mold according to an embodiment of the present application;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;

FIG. 3 is an exploded view of an embodiment of the present application showing a pre-compression mold and a mold unloading mold;

fig. 4 is a cross-sectional view of an embodiment of the present application showing a pre-compression mold.

In the figure, 1, a die sleeve; 11. a through hole; 2. a reinforcing sleeve; 21. a limit bar; 3. a punching device; 31. a lower pressure head; 32. an upper pressure head; 4. a base; 41. a groove; 42. a chute; 43. a straight rod; 5. mould steel; 51. a clamping plate; 52. a spring; 53. a handle; 6. powder material; 7. and (5) an oil press.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a pre-compaction mould and mould unloading mould.

Referring to fig. 1, a pre-pressing mold and a mold unloading mold comprise a base 4, an oil press 7 is arranged above the base 4, a mold sleeve 1 is arranged between the base 4 and the oil press 7, and a reinforcing sleeve 2 is fixedly arranged on the outer side of the mold sleeve 1 in a surrounding manner.

Referring to fig. 1 and 2, a die steel 5 is placed above a die sleeve 1, the die steel 5 is of a U-shaped structure, a plurality of clamping plates 51 are arranged on the inner side of the die steel 5, the clamping plates 51 are of an arc-shaped structure, and springs 52 are fixedly connected between the convex surfaces of the clamping plates 51 and the die steel 5; the side of the die steel 5 facing away from the opening is fixedly provided with a handle 53.

When the extrusion of the powder lot 6 is completed, the die steel 5 is placed on the upper surface of the die sleeve 1 with the upper press head 32 positioned between the die steel 5, the concave surface of the clamping plate 51 abuts against the circumferential outer wall of the die steel 5, and the die steel 5 is pressurized by the oil press 7.

Referring to fig. 3 and 4, a through hole 11 is formed in the center of the upper surface of the die sleeve 1, and the through hole 11 penetrates through the bottom of the die sleeve 1; the die sleeve 1 is provided with a stamping device 3 in the through hole 11, the stamping device 3 comprises an upper pressure head 32 and a lower pressure head 31, the upper pressure head 32 is positioned above the lower pressure head 31, the upper pressure head 32 and the lower pressure head 31 are in sliding fit with the through hole 11, and powder 6 is arranged between the lower pressure head 31 and the upper pressure head 32.

When the powder 6 is pre-pressed, the oil press 7 is started to press the upper press head 32, so that the upper press head 32 moves along the through hole 11 in a close manner, and the powder 6 positioned between the upper press head 32 and the lower press head 31 is extruded.

Referring to fig. 3, the die steel 5 has an opening size larger than the diameter of the upper ram 32, and the die steel 5 has the same thickness as the upper ram 32 in length; a groove 41 is formed in the center of the upper surface of the base 4, a straight rod 43 is fixedly arranged on the bottom wall of the groove 41 of the die steel 5, the straight rod 43 is positioned right below the lower pressing head 31, and the sum of the length of the straight rod 43 and the length of the lower pressing head 31 is the same as the height of the die sleeve 1; the outer wall of the reinforcing sleeve 2 is fixedly provided with a plurality of limiting strips 21, the inner wall of the groove 41 of the base 4 is provided with a sliding groove 42 which is matched with the limiting strips 21 in a sliding manner, and the limiting strips 21 are parallel to the opening direction of the through holes 11.

When the die steel 5 drives the die sleeve 1 and the reinforcing sleeve 2 to move inwards towards the groove 41, the lower pressure head 31, the powder 6 and the upper pressure head 32 move upwards under the action of the straight rod 43, so that the upper pressure head 32 is pushed out of the through hole 11, the upper pressure head 32 is taken off, the die steel 5 is continuously extruded, the powder 6 is pushed out of the through hole 11, and the powder 6 is stored.

The implementation principle of the prepressing die and the die unloading die provided by the embodiment of the application is as follows: when the powder 6 is pre-pressed, the lower pressure head 31 is fully inserted into the through hole 11 of the die sleeve 1, one side of the lower pressure head 31 aligned with the die sleeve 1 is downwards placed, the powder 6 is loaded into the through hole 11 from the upper side of the die sleeve 1, the upper pressure head 32 is finally inserted into the through hole 11, the powder 6 is positioned between the upper pressure head 32 and the lower pressure head 31, the upper pressure head 32 is pressed by the oil press 7, the lower pressure head 31 moves into the through hole 11, the powder 6 is extruded by the upper pressure head 32 and the lower pressure head 31, and the powder 6 is molded; after the pressurization is completed, the die sleeve 1 is placed above the base 4, the lower pressure head 31 is aligned with the straight rod 43, then the die steel 5 is placed on the upper surface of the die sleeve 1, the die steel 5 is pressurized by the oil press 7, the die sleeve 1 and the reinforcing sleeve 2 are driven to move into the groove 41 of the base 4, the upper pressure head 32 and the powder 6 are sequentially ejected by the straight rod 43, and the finished product of the powder 6 is stored. By the technical scheme, the powder 6 is pre-pressed, and the quality of a product of the powder 6 is improved.

The embodiments of the present utility model are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a pre-compaction mould, includes die sleeve (1), its characterized in that: the top of die sleeve (1) has seted up through-hole (11) along self length direction, and the bottom of die sleeve (1) is run through to through-hole (11), and die sleeve (1) is provided with stamping device (3) in through-hole (11), and stamping device (3) are including last pressure head (32) and lower pressure head (31), go up pressure head (32) and lower pressure head (31) all with through-hole (11) slip fit, the outside of die sleeve (1) is encircleed and is provided with and strengthen cover (2), and die sleeve (1) are fixed with strengthening cover (2), the below of die sleeve (1) is provided with base (4), and recess (41) are seted up on the upper surface of base (4), and base (4) set firmly straight-bar (43) in recess (41), straight-bar (43) are aligned with through-hole (11).

2. A pre-compression mould according to claim 1, characterized in that: the diameter of the straight rod (43) is smaller than that of the lower pressing head (31).

3. A pre-compression mould according to claim 1, characterized in that: a plurality of limit bars (21) are fixedly arranged on the circumferential outer wall of the reinforcing sleeve (2), the limit bars (21) are arranged in parallel with the direction of the through holes (11), and a sliding groove (42) which is matched with the limit bars (21) in a sliding manner is formed in the inner wall of the groove (41) of the base (4).

4. The utility model provides a mould unloading mould which characterized in that: the pre-pressing die comprises die steel (5), wherein the die steel (5) is U-shaped, the thickness of the die steel (5) is the same as the length of the upper pressing head (32) of the pre-pressing die according to any one of claims 1-3, and the opening size of the die steel (5) is larger than the diameter of the upper pressing head (32).

5. A mold unloading die as defined in claim 4, wherein: a plurality of clamping plates (51) are arranged on the inner side of the die steel (5), and springs (52) are fixedly arranged between the clamping plates (51) and the die steel (5).

6. A mold unloading die as defined in claim 5, wherein: and a handle rod (53) is fixedly arranged on one side of the die steel (5) away from the opening.