CN212072741U - Thumb wheel shell forming die - Google Patents

Abstract

The utility model discloses a thumb wheel shell forming die, which comprises a die body, a forming assembly is arranged in the die body, the forming assembly comprises a plurality of side sliding blocks and a forming mold insert, the side sliding blocks are all provided with forming end faces, the forming end faces on the side sliding blocks are spliced and form a cylindrical die hole, the inner wall of the die hole is provided with a plurality of vertical tooth sockets, the forming mold insert comprises a cylindrical first mold core, the first mold core is arranged in the die hole, the outer side wall of the first mold core is provided with a spiral groove, a step face is arranged in the spiral groove, a first forming gap is reserved between the outer side wall of the first mold core and the inner wall of the die hole, the first forming gap is communicated with the spiral groove, the forming mold insert also comprises a central sliding block, a plurality of straight-ejecting sliding blocks and a plurality of inclined-ejecting sliding blocks, the straight-ejecting sliding blocks and the, a straight ejection sliding block is arranged between two adjacent inclined ejection sliding blocks. The utility model discloses can be arranged in the manufacturing of thumb wheel shell.

Description

Thumb wheel shell forming die

Technical Field

The utility model belongs to the technical field of injection mold and specifically relates to a thumb wheel shell cover forming die is related to.

Background

The thumb wheel is common to household appliances and mechanical equipment, and is used for facilitating a user to adjust and control the equipment to work. For example, a thumb wheel for adjusting the temperature is provided on a microwave oven, and the user can conveniently set the temperature in the microwave oven by rotating the thumb wheel clockwise or counterclockwise.

Fig. 1 shows a thumb wheel housing on a household appliance, the thumb wheel is cylindrical and made of plastic, and can be formed by a 3D printing technology, but the manufacturing cost is expensive, and the thumb wheel housing is not suitable for large-scale industrial production.

However, the mold designer finds that the anti-skid insection structure 111 is arranged on the outer surface of the thumb wheel, and the thumb wheel with the structure cannot be formed by the traditional thumb wheel injection mold.

For this reason, a person skilled in the art redesigns a mould for the industrial production of the thumb wheel housing.

Disclosure of Invention

The utility model aims to solve the technical problem that a thumb wheel shell forming die is provided, want to be arranged in the manufacturing of thumb wheel shell with this mould.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a thumb wheel shell forming die comprises a die body, wherein a forming assembly is arranged in the die body and comprises a plurality of side sliding blocks and a forming insert, the side sliding blocks are provided with forming end faces, the forming end faces of the side sliding blocks are spliced to form a cylindrical die hole, the inner wall of the die hole is provided with a plurality of vertical tooth sockets, the forming insert comprises a cylindrical first die core, the first die core is arranged in the die hole, the outer side wall of the first die core is provided with a spiral groove, a step face is arranged in the spiral groove, a first forming gap is reserved between the outer side wall of the first die core and the inner wall of the die hole and communicated with the spiral groove, the forming insert further comprises a central sliding block, a plurality of straight-top sliding blocks and a plurality of inclined-top sliding blocks, the straight-top sliding blocks and the inclined-top sliding blocks are spliced around the central sliding block, and the upper end parts of the straight-top sliding blocks and the inclined-top sliding blocks are spliced together to form the, wherein, be equipped with one between two adjacent oblique top sliders the straight top slider.

The utility model discloses further preferred scheme: the center sliding block is provided with a plurality of inclined sliding grooves, the inclined top sliding block is provided with a convex edge matched with the inclined sliding grooves, the convex edge is adaptively connected with the inclined sliding grooves, the straight top sliding block is connected with the center sliding block through an inclined plane, and the straight top sliding block can slide between two adjacent inclined top sliding blocks.

The utility model discloses further preferred scheme: the mould body still include with side slider swing joint's stopper, the side slider in be equipped with the slide of slope, the stopper include the lower part that suits with the slide, the lower part can slide in the slide.

The utility model discloses further preferred scheme: the quantity of the side sliding blocks is 4, the side sliding blocks are arranged in the die body according to the front direction, the rear direction, the left direction and the right direction, and the forming end surfaces on the side sliding blocks are 1/4 circular arc curved surfaces.

The utility model discloses further preferred scheme: the forming insert further comprises a cylindrical second mold core, the lower portion of the second mold core is arranged in the mold hole and is connected with the first mold core in an up-down overlapping mode, a second forming gap is reserved between the second mold core and the inner wall of the mold hole, a third forming gap is reserved at the edge where the second mold core and the first mold core are overlapped, and the first forming gap, the second forming gap and the third forming gap are communicated with each other.

The utility model discloses further preferred scheme: the outer side wall of the lower portion of the second mold core is provided with a plurality of protruding blocks with cambered surfaces at intervals, and the upper portions of the forming end surfaces of the side sliding blocks are adaptively connected with the second mold core.

The utility model discloses further preferred scheme: the mould body include mould profiled sheeting and lower mould profiled sheeting, a plurality of side sliders be located between mould profiled sheeting and the lower mould profiled sheeting, second mold core upper portion be connected with the mould profiled sheeting, the lower mould profiled sheeting be connected with first mold core lower part adaptability.

The utility model discloses further preferred scheme: the mould body still include framed and lower framed, last template, lower template be connected with framed, lower framed respectively, stopper and last framed rigid coupling, lower framed be equipped with the stopping groove, the stopper lower part locate in the stopping groove.

The utility model discloses further preferred scheme: the die body further comprises a top plate and a fixing plate located above the top plate, a straight ejector rod and an inclined ejector rod are arranged on the top plate, the straight ejector rod and the inclined ejector rod are respectively connected with a straight ejection sliding block and an inclined ejection sliding block, and the central sliding block is connected with the fixing plate.

Compared with the prior art, the utility model has the advantages of simple structure, reasonable in design can be arranged in the manufacturing of thumb wheel shell. Briefly, a first forming gap reserved between the inner wall of the die hole and the outer wall of the die core is used for forming the shell, a spiral groove formed in the outer wall of the die core is used for forming a spiral clamping edge on the shell, and a plurality of vertical tooth grooves formed in the inner wall of the die hole are used for forming insections on the outer surface of the shell.

Drawings

FIG. 1 is a schematic structural view of a thumb wheel housing;

FIG. 2 is a first schematic structural diagram of the present invention;

FIG. 3 is a second schematic structural view of the present invention;

FIG. 4 is a third schematic structural view of the present invention;

fig. 5 is a fourth schematic structural diagram of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5: a thumb wheel shell forming die comprises a die body, a forming assembly is arranged in the die body and comprises a plurality of side sliding blocks 1 and a forming insert, the side sliding blocks 1 are all provided with forming end faces 201, the forming end faces 201 on the side sliding blocks 1 are spliced to form a cylindrical die hole, the inner wall of the die hole is provided with a plurality of vertical tooth grooves 3, the forming insert comprises a cylindrical first die core, the first die core is arranged in the die hole, the outer side wall of the first die core is provided with a spiral groove 4, a step face 5 is arranged in the spiral groove 4, a first forming gap is reserved between the outer side wall of the first die core and the inner wall of the die hole and communicated with the spiral groove 4, the forming insert further comprises a central sliding block 21, a plurality of straight-ejecting sliding blocks 22 and a plurality of inclined-ejecting sliding blocks 23, the straight-ejecting sliding blocks 22 and the inclined-ejecting sliding blocks 23 are spliced around the central sliding, wherein, a straight top slide block 22 is arranged between two adjacent inclined top slide blocks 23.

The central slide block 21 is provided with a plurality of inclined sliding grooves, the inclined top slide block 23 is provided with convex edges matched with the inclined sliding grooves, the convex edges are adaptively connected with the inclined sliding grooves, the straight top slide block 22 is connected with the central slide block 21 through an inclined plane, and the straight top slide block 22 can slide between two adjacent inclined top slide blocks 23.

The die body further comprises a limiting block 6 movably connected with the side sliding block 1, an inclined slide way 7 is arranged in the side sliding block 1, the limiting block 6 comprises a lower part 61 matched with the slide way 7, and the lower part 61 can slide in the slide way 7.

The number of the side sliding blocks 1 is 4, the side sliding blocks are arranged in the die body in the front, back, left and right directions, and the forming end surface 201 on the side sliding blocks 1 is 1/4 arc curved surfaces.

The forming mold insert further comprises a second mold core 8 which is cylindrical, the lower portion 61 of the second mold core 8 is arranged in the mold hole and is connected with the first mold core in an up-down overlapping mode, a second forming gap is reserved between the second mold core 8 and the inner wall of the mold hole, a third forming gap is reserved at the edge where the second mold core 8 and the first mold core are overlapped, and the first forming gap, the second forming gap and the third forming gap are communicated with each other.

The outer side wall of the lower part 61 of the second mold core 8 is provided with a plurality of convex blocks with cambered surfaces at intervals, and the upper parts of the forming end surfaces 201 of the plurality of side slide blocks 1 are adaptively connected with the second mold core 8.

The mould body includes mould profiled sheeting 11 and lower mould profiled sheeting 12, and a plurality of side sliders 1 are located between mould profiled sheeting 11 and lower mould profiled sheeting 12, and 8 upper portions of second mold core are connected with mould profiled sheeting 11, and lower mould profiled sheeting 12 is connected with first mold core lower part 61 adaptability.

The die body further comprises an upper die frame 9 and a lower die frame 10, the upper die forming plate 11 and the lower die forming plate 12 are respectively connected with the upper die frame 9 and the lower die frame 10, the limiting block 6 is fixedly connected with the upper die frame 9, the lower die frame 10 is provided with a stopping groove 13, and the lower part 61 of the limiting block 6 is arranged in the stopping groove 13.

The die body further comprises a top plate 14 and a fixing plate 15 located above the top plate 14, a straight ejector rod and an inclined ejector rod are arranged on the top plate 14 and are respectively connected with a straight ejector slide block 22 and an inclined ejector slide block 23, and a central slide block 21 is connected with the fixing plate 15.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. A thumb wheel shell forming die comprises a die body, wherein a forming assembly is arranged in the die body and is characterized in that the forming assembly comprises a plurality of side sliders and a forming insert, the side sliders are provided with forming end faces, the forming end faces on the side sliders are spliced to form a cylindrical die hole, the inner wall of the die hole is provided with a plurality of vertical tooth sockets, the forming insert comprises a cylindrical first die core, the first die core is arranged in the die hole, the outer side wall of the first die core is provided with a spiral groove, a step face is arranged in the spiral groove, a first forming gap is reserved between the outer side wall of the first die core and the inner wall of the die hole, the first forming gap is communicated with the spiral groove, the forming insert further comprises a central slider, a plurality of straight-ejecting sliders and a plurality of inclined-ejecting sliders, and the straight-ejecting sliders, The plurality of the pitched roof sliding blocks are spliced around the central sliding block, the upper end parts of the pitched roof sliding blocks, the central sliding block and the lower end parts of the pitched roof sliding blocks are spliced together to form the first mold core, and one straight roof sliding block is arranged between every two adjacent pitched roof sliding blocks.

2. The forming die for the thumb wheel housing according to claim 1, wherein the central slider has a plurality of inclined sliding grooves, the slanted ejecting slider has a plurality of protruding ribs adapted to the inclined sliding grooves, the protruding ribs are adapted to the inclined sliding grooves, the straight ejecting slider is connected to the central slider through an inclined surface, and the straight ejecting slider can slide between two adjacent slanted ejecting sliders.

3. The thumb wheel housing forming die of claim 1, wherein the die body further comprises a limiting block movably connected with the side sliding block, an inclined slide way is arranged in the side sliding block, the limiting block comprises a lower part matched with the slide way, and the lower part can slide in the slide way.

4. The forming die for the thumb wheel housing according to claim 3, wherein the number of the side sliding blocks is 4, the side sliding blocks are arranged in the die body according to four directions of front, back, left and right, and the forming end surfaces of the side sliding blocks are 1/4 circular arc surfaces.

5. The thumb wheel housing forming mold according to claim 1, wherein the forming insert further comprises a second cylindrical mold core, a lower portion of the second mold core is disposed in the mold hole and is connected with the first mold core in an up-down overlapping manner, a second forming gap is reserved between the second mold core and an inner wall of the mold hole, a third forming gap is reserved at an overlapping edge of the second mold core and the first mold core, and the first forming gap, the second forming gap and the third forming gap are communicated with each other.

6. The thumb wheel housing forming mold according to claim 5, wherein a plurality of convex blocks with cambered surfaces are arranged at intervals on the outer side wall of the lower portion of the second mold core, and the upper portions of the forming end surfaces of the plurality of side sliding blocks are adaptively connected with the second mold core.

7. The thumb wheel housing forming mold of claim 6, wherein the mold body comprises an upper mold forming plate and a lower mold forming plate, the plurality of side sliders are located between the upper mold forming plate and the lower mold forming plate, the upper portion of the second mold core is connected with the upper mold forming plate, and the lower mold forming plate is adaptively connected with the lower portion of the first mold core.

8. The thumb wheel housing forming die of claim 1, wherein the die body further comprises a top plate and a fixing plate located above the top plate, the top plate is provided with a straight ejector rod and an inclined ejector rod, the straight ejector rod and the inclined ejector rod are respectively connected with the straight ejector slide block and the inclined ejector slide block, and the central slide block is connected with the fixing plate.

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