CN212147331U

CN212147331U - Mould is used in production of centrifugation fan blade

Info

Publication number: CN212147331U
Application number: CN202020319961.XU
Authority: CN
Inventors: 严明; 贝仲土; 郑峰君
Original assignee: Shaoxing Shangyu Home Appliance Plastic Factory
Current assignee: Shaoxing Shangyu Home Appliance Plastic Factory
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-12-15
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses a mould is used in production of centrifugation fan blade relates to mould equipment, aims at solving the impeller of integrative moulding plastics and influences production efficiency's problem because the inconvenient drawing of patterns of degree of turning round of blade, and its technical scheme main points are: the lower mould shell comprises an injection molding base plate and a forming template, the top surface of the injection molding base plate is fixedly connected with a lower mould, the peripheral wall of the lower mould is connected with a plurality of ejecting pieces distributed in an annular array in a sliding mode, the bottom end of each ejecting piece is detachably connected with an ejector rod penetrating through the injection molding base plate, and the ejector rods are obliquely arranged. The utility model discloses a setting up of slider increases the fixed to last mould and bed die, ensures that the impeller that forms of moulding plastics has better uniformity and quality to the ejector pin through running through the base plate of moulding plastics and slope setting promotes the ejector pin and makes fashioned impeller and bed die separation, has improved the efficiency of drawing of patterns and the finished product quality of guarantee impeller.

Description

Mould is used in production of centrifugation fan blade

Technical Field

The utility model relates to a mould equipment, more specifically say, it relates to a mould is used in production of centrifugation fan blade.

Background

The centrifugal impeller refers to an air wheel which can axially intake air and radially output air, and utilizes centrifugal force (depending on rotating speed and outer diameter) to apply work to improve pressure of air. The existing centrifugal impeller is formed by separately punching the top surface, the blades and the bottom surface, then the three parts are welded together, the process is complex, time and labor are wasted, the production efficiency is low, the centrifugal impeller is not suitable for batch production, the connecting structure for welding a plurality of accessories has low strength and cannot meet the performance requirements of certain use occasions, and when the impeller is manufactured by adopting an integrated injection molding mode, certain torsion degree exists in the blades, so that the demolding operation of the impeller is not convenient, and the working efficiency of the integrated injection molding impeller is influenced.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a mould is used in production of centrifugation fan blade, through the setting increase of slider to last mould and bed die's fixed, ensure that the impeller that forms of moulding plastics has better uniformity and quality to promote the ejector pin through running through the base plate of moulding plastics and slope setting and make fashioned impeller and bed die separation, improved the efficiency of drawing of patterns and the finished product quality of guarantee impeller.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a mould is used in production of centrifugal fan blade, includes upper die shell and lower die shell, the lower die shell includes injection moulding base plate and shaping template, the top surface fixedly connected with bed die of the base plate of moulding plastics, sliding connection has the top piece of a plurality of annular array distributions on the periphery wall of bed die, the ejector pin that runs through the base plate of moulding plastics can be dismantled and be connected with in the bottom of top piece, and is a plurality of the ejector pin slant sets up, set up the logical groove that is used for holding the bed die on the shaping template, sliding connection has the locating part that is used for pushing up tight bed die on the shaping template, be formed with the shaping chamber between upper die shell and the bed die, set up a plurality of injection molding holes that run through injection moulding base plate.

Through adopting above-mentioned technical scheme, people pour into the shaping chamber between supreme mould shell and the bed die through the material of moulding plastics hole, thereby when the material of moulding plastics fills the shaping chamber, take the material of moulding plastics and form fashioned impeller after cooling, then make the separation of mould shell and bed die shell, then promote the ejector pin of annular array distribution on the bed die periphery wall through the ejector pin that runs through the base plate of moulding plastics, because the ejector pin slant sets up, thereby when promoting the ejector pin, enable the impeller and rotate along the direction of radian, thereby deviate from the impeller from last mould shell easily, the problem of difficult drawing of patterns has been solved among the prior art impeller adoption integrated into one piece processing.

The utility model discloses further set up to: set up the spout that a plurality of annular array distribute on the shaping template, the spout sets up towards the bed die direction slope, the locating part includes sliding connection and just has the slide that is used for the tight bed die in top in the spout, set up a plurality of spacing holes that communicate with the spout on the top surface of shaping template, sliding connection has the bolt that runs through the slide in spacing hole.

Through adopting above-mentioned technical scheme, can play the effect of direction to the slide through setting up a plurality of spouts on the shaping template, make the slide can smoothly slide on the moulded die plate, play fixed effect to the bed die to set up spacing hole on the shaping template, and play fixed effect to the slide through the bolt, make when moulding plastics, the slide supports on the periphery wall of bed die, improves the precision that the mould was moulded plastics, thereby improves the quality of impeller.

The utility model discloses further set up to: the sliding seat is provided with a positioning block, the positioning block is sleeved on the peripheral wall of the bolt, and the bottom end of the upper die shell is provided with a positioning groove for accommodating the positioning block.

Through adopting above-mentioned technical scheme, through setting up the locating piece on the slide, and the locating piece cover is established on the periphery wall of bolt, thereby guarantee to have good connected relation between slide and the locating piece, and the constant head tank that is used for holding the locating piece is offered to the bottom of going up the mould shell, further fix locating piece and slide through last mould shell, and through the setting of locating piece and constant head tank, improve the precision that goes up mould shell and lower mould and be connected, improve the precision through injection moulding's impeller, improve the quality of impeller.

The utility model discloses further set up to: the top end of the bolt is obliquely arranged towards the direction of the circle center of the lower die, and the limiting hole is arranged along the length direction of the bolt.

Through adopting above-mentioned technical scheme, the top of bolt sets up towards lower mould direction, and the length direction setting of bolt is followed to spacing hole to increase the joint strength of bolt and shaping template, slide and locating piece, run through locating piece and slide and its bottom when inlaying in spacing downthehole when the bolt, the slide is firm to be pushed up on the periphery wall of bed die.

The utility model discloses further set up to: the upper die shell is provided with a mounting groove communicated with the through groove, an upper die is connected in the mounting groove in a sliding mode, the forming cavity is located between the upper die and the lower die, the peripheral wall of the upper die is provided with a plurality of caulking grooves, and one side of the sliding seat, facing the upper die, is embedded in the caulking grooves.

Through adopting above-mentioned technical scheme, through set up on last mould shell with lead to the mounting groove of groove intercommunication, and sliding connection has the mould in the mounting groove, and seted up the caulking groove on the periphery wall of last mould, and inlay in the caulking groove through one side of slide towards last mould, it is fixed to carry out the centre gripping to last mould and bed die simultaneously, improve the joint strength between mould and the bed die, then will go up the mould shell and be connected with the bed shell along mounting groove and last mould, and play fixed effect through constant head tank and locating piece to the slide, it is difficult for taking place the skew to go up between mould and the bed die when guaranteeing to mould plastics, improve the stability that the impeller was moulded plastics man-hour, guarantee the uniformity of impeller product.

The utility model discloses further set up to: the mounting groove is internally provided with a fixing piece, the fixing piece is arranged on the fixing piece, and the fixing piece is connected with the upper die and the lower die in a sliding mode.

Through adopting above-mentioned technical scheme, be located the weight plate of mould top through the setting, can extrude last mould, further guarantee the thickness of the rim plate of impeller, improve the precision of impeller product to set up the fixed slot that runs through weight and last mould on the weight, and sliding connection has the stationary blade in the fixed slot, can fix last mould and weight plate.

The utility model discloses further set up to: the bottom of going up the mould is the toper, go up the mould and sunken down towards one side of lower mould and form a plurality of drainage grooves.

Through adopting above-mentioned technical scheme, the bottom of going up the mould is the toper, and its one side towards the bed die is formed with a plurality of drainage grooves for the material of moulding plastics lets in to the shaping intracavity through the hole of moulding plastics when, can make the quick filling shaping chamber of material of moulding plastics through setting up of drainage groove, and through the setting of drainage groove, can increase the thickness on impeller surface, plays the effect of strengthening impeller intensity, improves the life of impeller.

The utility model discloses further set up to: the bottom of the ejector piece is provided with a clamping groove arranged along the length direction of the ejector piece, and the top end of the ejector rod is connected in the clamping groove in a sliding mode.

Through adopting above-mentioned technical scheme, the draw-in groove that sets up along a top length direction is seted up to the bottom of ejecting, and the top sliding connection of ejector pin is in the draw-in groove to realize dismantling of ejecting and ejector pin, people can be ejecting with fashioned impeller through ejecting when promoting the ejector pin that the slope set up, and when wearing and tearing appear at the ejector pin, can guarantee the life of equipment through changing the ejector pin.

To sum up, the utility model discloses following beneficial effect has:

people pour into the shaping chamber between cope match-plate pattern shell and the bed die through the material of moulding plastics hole, thereby when the material of moulding plastics fills the shaping chamber, treat to form fashioned impeller after the material of moulding plastics cools off, then make cope match-plate pattern shell and bed die shell separation, then promote the ejector pin of annular array distribution on the bed die periphery wall through the ejector pin that runs through the base plate of moulding plastics, because the ejector pin slant sets up, thereby when promoting the ejector pin, enable the impeller and rotate along the direction of radian, thereby deviate from the impeller from the bed die shell easily, the problem of difficult drawing of patterns when having solved among the prior art impeller and having adopted integrated into one piece to add man-hour.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an explosion diagram of the present invention;

FIG. 3 is an exploded view of the second embodiment of the present invention;

fig. 4 is an exploded view of the forming die plate of the present invention;

FIG. 5 is a schematic structural view of the middle top member and the top rod of the present invention;

FIG. 6 is an exploded view of the upper and lower shell of the present invention;

FIG. 7 is an enlarged view of portion A of FIG. 3;

fig. 8 is an enlarged schematic view of a portion B of fig. 6.

In the figure: 1. an upper mould shell; 2. injection molding the substrate; 3. forming a template; 4. a lower die; 5. a top piece; 6. a top rod; 7. injection molding holes; 8. a chute; 9. a slide base; 10. a limiting hole; 11. a bolt; 12. positioning blocks; 13. positioning a groove; 14. mounting grooves; 15. an upper die; 16. caulking grooves; 17. a weight plate; 18. fixing grooves; 19. and (4) a drainage groove.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A mold for producing centrifugal fan blades is shown in figures 1 to 8 and comprises an upper mold shell 1 and a lower mold shell, wherein the lower mold shell comprises an injection molding base plate 2 and a forming template 3, the top surface of the injection molding base plate 2 is fixedly connected with a lower mold 4, the peripheral wall of the lower mold 4 is connected with a plurality of top pieces 5 distributed in an annular array in a sliding way, the bottom end of each top piece 5 is detachably connected with a top rod 6 penetrating through the injection molding base plate 2, the plurality of top rods 6 are obliquely arranged, the bottom end of each top piece 5 is provided with a clamping groove arranged along the length direction of the top piece 5, the top end of each top rod 6 is connected in the clamping groove in a sliding way, the forming template 3 is provided with a through groove for accommodating the lower mold 4, the forming template 3 is provided with a plurality of chutes 8 distributed in an annular array, the chutes 8 are obliquely arranged towards the direction of the lower mold 4, the forming template 3 is connected with a limiting piece for tightly, and the top surface of the forming template 3 is provided with a plurality of limiting holes 10 communicated with the sliding grooves 8, the limiting holes 10 are connected with pins 11 penetrating through the sliding seat 9 in a sliding way, the top ends of the pins 11 are arranged in an inclined way towards the circle center direction of the lower die 4, the limiting holes 10 are arranged along the length direction of the pins 11, wherein the sliding seat 9 is provided with positioning blocks 12, the positioning blocks 12 are sleeved on the peripheral wall of the pins 11, the bottom end of the upper die shell 1 is provided with positioning grooves 13 for accommodating the positioning blocks 12, the upper die shell 1 is provided with a mounting groove 14 communicated with the through grooves, the mounting groove 14 is connected with an upper die 15 in a sliding way, the bottom end of the upper die 15 is conical, one side of the upper die 15 facing the lower die 4 is downwards sunken to form a plurality of drainage grooves 19, the mounting groove 14 is connected with a balance weight, the fixed slot 18 runs through the counterweight in proper order and goes up mould 15 and shaping chamber intercommunication, sliding connection has the stationary blade that is located the blade department in shaping chamber in the fixed slot 18, the shaping chamber is located between mould 15 and the bed die 4, a plurality of caulking grooves 16 have been seted up on the periphery wall of last mould 15, one side of mould 15 is inlayed in caulking groove 16 in the orientation of slide 9 to set up a plurality of injection holes 7 that run through injection moulding base plate 2 and shaping template 3 and communicate with the shaping chamber on the lower mould shell.

When people produce the impeller, firstly, a release agent is sprayed on an upper die 15 and a lower die 4, the upper die 15 is placed on the lower die 4, then a sliding seat 9 is slid along the direction of a sliding groove 8, one end of the sliding seat 9 facing the lower die 4 is abutted against the surface of the lower die 4, one side of the sliding seat 9 facing the upper die 15 is embedded into an embedding groove 16 of the upper die 15, then an inclined bolt 11 sequentially penetrates through a positioning block 12 and the sliding seat 9 and is inserted into a limiting hole 10 of a forming template 3, the sliding seat 9 and the positioning block 12 are fixed, the sliding seat 9 tightly supports the upper die 15 and the lower die 4, the connection strength between the upper die 15 and the lower die 4 is improved, the upper die 15 is not easy to deviate, then the upper die shell 1 is connected with the upper die 15 along the inside of a mounting groove 14 through the arrangement of the mounting groove 14, as the bottom end of the upper die shell 1 is provided with a positioning groove 13 for accommodating the, therefore, when the upper die shell 1 is connected with the lower die shell, the positioning block 12 and the sliding seat 9 can be further fixed, the connection precision between the upper die 15 and the lower die 4 is improved, the impeller processed by injection molding has good precision, the counterweight plate 17 which is connected in the installation groove 14 in a sliding way is arranged above the upper die 15, the upper die 15 is extruded, the precision of the gap between the upper die 15 and the lower die 4 is improved, then the fixing plate is inserted into the fixing groove 18, the connection strength between the upper die 15 and the counterweight part is improved, as the drainage groove 19 is arranged at the bottom end of the upper die 15, when the material which is injected into the molding cavity through the injection molding hole 7 and fills the drainage groove 19, the thickness of the drainage groove 19 can be increased, the strength of the impeller is further improved, the impeller is ensured to have good service life, and when the material to be injected is cooled and molded, firstly, the upper die shell 1 is disassembled, then a plurality of bolts 11 are pulled out from the limiting holes 10, then the sliding seat 9 is moved along the sliding groove 8 to cancel the limitation of the upper die 15, thereby the upper die 15 is taken down from the lower die 4, the formed impeller is exposed, then the ejector rod 6 at the bottom end of the injection molding base plate 2 is pushed, as the top end of the ejector rod 6 is clamped in the clamping groove of the ejector piece 5, and the ejector rod 6 is obliquely arranged, when the ejector rod 6 is pushed, the ejector piece 5 can be extruded to the formed impeller in a certain torsion degree, the impeller is pushed out from the surface of the lower die 4 under the action of oblique pushing force, the operation of demoulding of the formed impeller is facilitated, and the production efficiency of the impeller is improved, and the quality of the impeller is ensured.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a mould is used in production of centrifugal fan blade, includes upper die shell (1) and lower die shell, its characterized in that: lower mould shell includes injection moulding base plate (2) and shaping template (3), top surface fixedly connected with bed die (4) of injection moulding base plate (2), sliding connection has ejector pin (5) that a plurality of annular arrays distribute on the periphery wall of bed die (4), ejector pin (6) that run through injection moulding base plate (2) can be dismantled and be connected with in the bottom of ejector pin (5), and is a plurality of ejector pin (6) slant sets up, set up the logical groove that is used for holding bed die (4) on shaping template (3), sliding connection has the locating part that is used for pushing up tight bed die (4) on shaping template (3), it has the shaping chamber to go up to be formed with between mould shell (1) and bed die (4), set up on the lower mould shell a plurality of injection molding hole (7) that run through injection moulding base plate (2) and shaping template (3) and communicate with the shaping chamber.

2. The mold for producing the centrifugal fan blade according to claim 1, wherein: set up spout (8) that a plurality of annular array distribute on shaping template (3), spout (8) are towards the slope setting of bed die (4) direction, the locating part includes sliding connection and just has slide (9) that are used for pushing up tight bed die (4) in spout (8), set up spacing hole (10) of a plurality of and spout (8) intercommunication on the top surface of shaping template (3), sliding connection has bolt (11) that runs through slide (9) in spacing hole (10).

3. The mold for producing the centrifugal fan blade according to claim 2, wherein: be equipped with locating piece (12) on slide (9), locating piece (12) cover is established on the periphery wall of bolt (11), constant head tank (13) that are used for holding locating piece (12) are seted up to the bottom of upper die shell (1).

4. The mold for producing the centrifugal fan blade according to claim 3, wherein: the top end of the bolt (11) is obliquely arranged towards the direction of the circle center of the lower die (4), and the limiting hole (10) is arranged along the length direction of the bolt (11).

5. The mold for producing the centrifugal fan blade according to claim 4, wherein: the upper die shell (1) is provided with a mounting groove (14) communicated with the through groove, an upper die (15) is connected to the mounting groove (14) in a sliding mode, the forming cavity is located between the upper die (15) and the lower die (4), a plurality of caulking grooves (16) are formed in the peripheral wall of the upper die (15), and one side, facing the upper die (15), of the sliding seat (9) is embedded into the caulking grooves (16).

6. The mold for producing the centrifugal fan blade according to claim 5, wherein: sliding connection has counterweight plate (17) that is located mould (15) top in mounting groove (14), set up on counterweight plate (17) and be willow leaf form fixed slot (18), fixed slot (18) run through the weight in proper order and go up mould (15) and become the die cavity intercommunication, sliding connection has the stationary blade that is located the blade department that becomes the die cavity in fixed slot (18).

7. The mold for producing the centrifugal fan blade according to claim 6, wherein: the bottom end of the upper die (15) is conical, and the upper die (15) is downwards sunken towards one side of the lower die (4) to form a plurality of drainage grooves (19).

8. The mold for producing the centrifugal fan blade according to claim 1, wherein: the bottom of the ejector piece (5) is provided with a clamping groove arranged along the length direction of the ejector piece (5), and the top end of the ejector rod (6) is connected in the clamping groove in a sliding manner.