CN210415323U

CN210415323U - Mould is used in lamp section of thick bamboo processing in LED lamps and lanterns

Info

Publication number: CN210415323U
Application number: CN201921091024.7U
Authority: CN
Inventors: 钱文龙; 肖雪林; 王龙飞; 姚玉华; 叶勤良
Original assignee: Shanghai Precise Industrial Co ltd
Current assignee: Shanghai Precise Industrial Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-04-28
Anticipated expiration: 2029-07-12

Abstract

The utility model relates to a LED lamps and lanterns processing field. In order to solve the problem that thimble traces are easily left on a lamp tube when the lamp tube in an LED lamp is processed in the prior art, the utility model provides a mould for processing the lamp tube in the LED lamp, wherein, the mould core comprises a movable mould core and a fixed mould core, the movable mould core is arranged in a movable mould cavity on a movable mould plate, and the fixed mould core is arranged in a fixed mould cavity on a fixed mould plate; the movable die plate is fixed on the movable die supporting plate; a movable mold supporting plate fixed on the mold leg is vertically provided with a casting mold insert the top end of which extends into the fixed mold core; in the material returning mechanism, a first-level top plate is slidably arranged on a support column below a movable mould support plate and is parallel to the movable mould support plate, a first-level ejector rod is vertically arranged on the first-level top plate, and the free end of the first-level ejector rod penetrates through the movable mould support plate and is inserted into a first-level pushing hole in the bottom of a movable mould plate. Adopt the utility model discloses a lamp section of thick bamboo in LED lamps and lanterns is processed with the mould and forms a lamp section of thick bamboo in the LED lamps and lanterns, can not leave the ejecting vestige of thimble on a lamp section of thick bamboo, the convenient drawing of patterns.

Description

Mould is used in lamp section of thick bamboo processing in LED lamps and lanterns

Technical Field

The utility model relates to a LED lamps and lanterns processing field especially relates to a mould that a lamp section of thick bamboo of production processing in the LED lamps and lanterns of indoor use was used.

Background

When the LED lamp is processed, particularly when the LED lamp used indoors is processed, the requirement on the appearance of the LED lamp is high, so that when a lamp tube in the LED lamp is processed by using a mold, the surface of the lamp tube cannot be left with the ejecting trace of the ejector pin. However, since the inner cavity of the lamp tube has a large mold holding force, demolding cannot be completed after the injection molding is completed without using the thimble to eject the lamp tube.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that thimble traces are easily left on a lamp tube when the lamp tube in an LED lamp is processed in the prior art, the utility model provides a mould for processing the lamp tube in the LED lamp, which comprises a mould core, a fixed mould plate, a movable mould supporting plate, mould feet and a material returning mechanism, wherein the mould core comprises a movable mould core and a fixed mould core, the movable mould core is arranged in a movable mould cavity on the movable mould plate, a feeding channel and a slag ladle groove communicated with a material cylinder are arranged on the movable mould core, the fixed mould core is arranged in a fixed mould cavity on the fixed mould plate, and the movable mould core and the fixed mould core are combined and fixed in a mould cavity formed by combining the fixed mould cavity and the movable mould cavity when the mould is closed; the movable die plate is positioned between the fixed die plate and the movable die supporting plate and is fixedly arranged on the movable die supporting plate through a guide pillar; the movable mold supporting plate is fixedly arranged on the mold legs and positioned on the upper sides of the mold legs, a mold insert is vertically arranged on the movable mold supporting plate, and the top end of the mold insert penetrates through the movable mold plate and the insert inserting through hole communicated with the movable mold core and extends into the fixed mold core; the material returning mechanism comprises a first-level top plate, a first-level ejector rod and a support column, wherein the first-level top plate is located below the movable mold support plate and parallel to the movable mold support plate, the first-level top plate can be slidably mounted on the support column, the first-level ejector rod is vertically arranged on the first-level top plate, and the free end of the first-level ejector rod penetrates through the movable mold support plate and is inserted into a first-level pushing hole in the bottom of the movable mold plate. Utilize the utility model discloses during lamp section of thick bamboo processing in the LED lamps and lanterns forms the lamp section of thick bamboo in the LED lamps and lanterns with mould casting mould processing, accomplish and the die sinking back at the mould, can promote one-level roof in the material returned mechanism, make this one-level roof remove to the movable mould backup pad along the support column, and then the free end that drives the one-level ejector pin promotes movable mould board and movable mould core, make movable mould board and movable mould core remove to the fixed die plate direction, and simultaneously, because the mould mold insert is located the movable mould backup pad, so movable mould board and movable mould core remove the in-process can take place relative displacement with the mould mold insert, thereby can put the top that the lamp section of thick bamboo pushed away from the mould insert on the top of mould insert with the cover, and then make the top separation. Therefore, adopt the utility model discloses when a lamp section of thick bamboo in the LED lamps and lanterns is formed with the mould casting mould to lamp section of thick bamboo processing in the LED lamps and lanterns, need not to utilize the ejecting lamp section of thick bamboo of thimble, only need promote the drawing of patterns operation that the one-level roof in the material returned mechanism can accomplish a lamp section of thick bamboo, neither can leave the ejecting vestige of thimble on a lamp section of thick bamboo, make things convenient for the drawing of patterns again.

Preferably, the material returning mechanism further comprises a second-stage top plate and a second-stage driving piece, the second-stage top plate is slidably mounted on the supporting column and is located between the first-stage top plate and the movable mold supporting plate, a second-stage ejector rod is vertically arranged on the second-stage top plate, the free end of the second-stage ejector rod penetrates through a second-stage push hole penetrating through the movable mold supporting plate, the movable mold plate and the movable mold core or the mold insert, and the second-stage push hole is communicated with the feeding channel or the slag ladle groove; the secondary driving part comprises a supporting shaft and a pressing block, the supporting shaft is fixedly arranged on the movable die supporting plate and is parallel to the movable die supporting plate, the connecting end of the pressing block is arranged on the supporting shaft, and the free end of the pressing block is located between the secondary top plate and the primary top plate and can swing around the supporting shaft. Like this, after utilizing one-level roof and one-level ejector pin to take off lamp section of thick bamboo from the mould mold insert, can continue to promote the one-level roof to utilize the briquetting in the second grade driving piece to press and push away the second grade roof, promote unnecessary mould material and slag charge release in feed channel and the cinder ladle groove on the second grade ejector pin will move the mold core then, influence with unnecessary mould material and slag charge in avoiding feed channel and cinder ladle groove the utility model discloses lamp section of thick bamboo for lamp section of thick bamboo processing in the LED lamps and lanterns forms the lamp section of thick bamboo in the LED lamps and lanterns.

Preferably, a reset rod is vertically arranged on the secondary top plate, and the free end of the reset rod is inserted into a reset through hole which penetrates through the movable mold supporting plate and the movable mold plate. Therefore, when the die is closed again after the demolding is finished, the reset rod can be pressed and pushed by the fixed die plate, and then the material returning mechanism is reset, so that the demolding operation can be finished after the secondary casting.

Preferably, the secondary driving part further comprises a support, the support is fixedly mounted on the movable mold supporting plate, and a mounting lug for mounting the supporting shaft is arranged at one end of the support, which is far away from the movable mold supporting plate. Thus, the support shaft for mounting the pressing block is supported by the support, and the position stability of the support shaft can be improved.

Preferably, the inner side of the mould foot is provided with a containing groove for containing the secondary driving part. Like this, set up the holding tank that holds the second grade driving piece usefulness in the mould foot inboard, can set up support and back shaft in the second grade driving piece in the holding tank, and then can avoid support and back shaft and second grade roof to take place to interfere, influence the second grade roof drive second grade ejector pin and release casting mould material and slag charge to in feedstock channel and the cinder ladle groove. Preferably, the inner side wall of the mold foot is provided with a limiting bulge, and the limiting bulge is positioned between the first-stage top plate and the second-stage top plate. Therefore, when the material is returned, the forward amount of the first-stage top plate can be limited by the limiting bulge, so that the phenomenon that the material returning is influenced due to the fact that the pushed amount of the first-stage ejector rod is too large when the movable template and the movable mold core are pushed out of the lamp tube is avoided; when reseing, utilize spacing arch to restrict the volume of retreating of second grade roof, avoid the volume of retreating of second grade roof too big and influence to reset, lead to material returned mechanism and movable mould backup pad and movable mould board separation even, influence follow-up mould and use.

Preferably, a first-stage pressing plate attached to the first-stage top plate is arranged on the upper side of the first-stage top plate in a pressing mode, and the first-stage pressing plate is connected with the first-stage top plate through a first-stage connecting bolt. Like this, press the one-level clamp plate of putting with the laminating of one-level roof on one-level roof upside, can utilize one-level roof and the fixed one-level ejector pin of one-level clamp plate, both convenient equipment can improve the installation stability of one-level ejector pin again, and then avoid the one-level ejector pin because of rocking the influence material returned effect at the promotion in-process.

Preferably, a secondary pressure plate attached to the secondary top plate is arranged on the upper side of the secondary top plate in a pressing manner, and the secondary pressure plate is connected with the secondary top plate through a secondary connecting bolt. Like this, press the second grade clamp plate of putting with the laminating of second grade roof on the second grade roof to usable second grade clamp plate and the fixed second grade ejector pin of second grade roof avoid the second grade ejector pin to take place to rock or misplace when promoting the mould material and the slag charge in feedstock channel and the slag charge package, influence the material returned effect.

Preferably, the guide post is sleeved with a fixed die guide sleeve and a movable die guide sleeve, the fixed die guide sleeve is located in a fixed die guide post hole in the fixed die plate, and the movable die guide sleeve is located in a movable die guide post hole in the movable die plate. Therefore, the guide pillar wears the fixed die plate and the movable die plate in the die opening or die closing process, the service lives of the fixed die plate and the movable die plate are influenced, and the service life of the die can be further prolonged.

Drawings

Fig. 1 is a schematic structural view of a lamp tube processing mold in an LED lamp of the present invention;

FIG. 2 is a schematic sectional view A-A of FIG. 1;

fig. 3 is a schematic structural view of the LED lamp shown in fig. 1, in which the fixed die plate, the fixed die core, and the fixed die guide sleeve are removed from the die for processing the lamp tube;

FIG. 4 is a schematic sectional view B-B of FIG. 3;

FIG. 5 is a schematic cross-sectional view of C-C of FIG. 3;

FIG. 6 is a schematic cross-sectional view D-D of FIG. 3;

FIG. 7 is a schematic cross-sectional view E-E of FIG. 3;

fig. 8 is a schematic sectional view of F-F in fig. 3.

Detailed Description

Next, the die for processing the lamp tube in the LED lamp of the present invention will be described in detail with reference to fig. 1 to 8.

As shown in fig. 1-4, the die for processing the lamp tube in the LED lamp of the present invention comprises a die core, a fixed die plate 2, a movable die plate 3, a movable die supporting plate 4, a die foot 5 and a material returning mechanism 6. The mold core comprises a movable mold core 11 and a fixed mold core (not shown in the figure), the movable mold core 11 is arranged in a movable mold cavity (not shown in the figure) on the movable mold plate 3, and a feeding channel 111 and a slag ladle groove 112 which are communicated with the charging barrel 7 are arranged on the movable mold core 11; the fixed mold core is mounted in a fixed mold cavity (not shown) in the fixed mold plate 2. When the die is closed, the movable die core 11 is combined with the fixed die core and fixed in a die cavity formed by combining the fixed die cavity and the movable die cavity. The movable mould plate 3 is positioned between the fixed mould plate 2 and the movable mould supporting plate 4 and is fixedly arranged on the movable mould supporting plate 4 through a guide post 8. Preferably, the guide post 8 is sleeved with a fixed die guide sleeve 81 and a movable die guide sleeve 82, the fixed die guide sleeve 81 is positioned in a fixed die guide post hole on the fixed die plate 2, and the movable die guide sleeve 82 is positioned in a movable die guide post hole on the movable die plate 3. Therefore, the guide post 8 abrades the fixed die plate 2 and the movable die plate 3 in the die opening or die closing process, the service life of the fixed die plate 2 and the service life of the movable die plate 3 are affected, and the service life of the die can be prolonged. The movable mold support plate 4 is fixed on two oppositely arranged mold legs 5 through mounting bolts (not shown in the figure) arranged in the mounting through holes 53 and positioned at the upper sides of the mold legs 5, the movable mold support plate 4 is vertically provided with a mold insert 41, and the top end 411 of the mold insert 41 passes through insert inserting through holes which are arranged on the movable mold plate 3 and the movable mold core 11 and extends into the fixed mold core. Thus, when the mold is used to form the barrel 9 in an LED lamp, the molded barrel 9 is placed over the tip 411 of the mold insert 41 in the mold core.

As shown in fig. 1 to 8, the material returning mechanism 6 comprises a primary top plate 61, a primary ejector rod 62 and a support column 63, wherein a positioning through hole is formed in the middle of the support column 63 along the central axis direction of the support column 63 and penetrates through the support column 63, so that the support column 63 is fixed on the movable mold support plate 4 by a positioning bolt (not shown in the figure) penetrating through the positioning through hole 631; the first-stage top plate 61 is positioned below the movable mold supporting plate 4 and is parallel to the movable mold supporting plate 4, the first-stage top plate 61 is slidably mounted on the supporting column 63, the first-stage ejector rod 62 is vertically arranged on the first-stage top plate 61, and the free end of the first-stage ejector rod 62 penetrates through the movable mold supporting plate 4 and is inserted into the first-stage pushing hole in the bottom of the movable mold plate 3. Utilize the utility model discloses when lamp section of thick bamboo in LED lamps and lanterns is formed with mould processing to lamp section of thick bamboo processing for lamp section of thick bamboo among the LED lamps and lanterns, accomplish and the die sinking back at the casting mould, can promote one-level roof 61 among the material returned mechanism, make this one-level roof 61 move to movable mould backup pad 4 along support column 63, and then drive the free end of one-level ejector pin 62 and promote movable mould board 3 and movable mould core 11, make movable mould board 3 and movable mould core 11 move to fixed mould board 2 direction, and simultaneously, because casting mould mold insert 41 is located movable mould backup pad 4, so movable mould board 3 and movable mould core 11 move the in-process can take place relative displacement with casting mould insert 41, thereby can put lamp section of thick bamboo 9 on the top 411 of casting mould insert 41 with the cover and push away from the top 411 of casting mould insert 41, and then make the separation of lamp. Therefore, adopt the utility model discloses when lamp section of thick bamboo 9 in the lamp section of thick bamboo processing among the LED lamps and lanterns forms the lamp section of thick bamboo 9 among the LED lamps and lanterns, need not to utilize the ejecting lamp section of thick bamboo 9 of thimble, only need promote the drawing of patterns operation that the one-level roof 61 among the material returned mechanism 6 can accomplish lamp section of thick bamboo 9, both can not leave the ejecting vestige of thimble on lamp section of thick bamboo 9, make things convenient for the drawing of patterns again. Preferably, a primary pressure plate 64 attached to the primary top plate 61 is pressed on the upper side of the primary top plate 61, and the primary pressure plate 64 and the primary top plate 61 are connected by a primary connecting bolt (not shown) in a primary connecting through hole 601 located at opposite positions on the primary top plate 61 and the primary pressure plate 64 and penetrating each other. Like this, press the one-level clamp plate 64 of putting with the laminating of one-level roof 61 on one-level roof 61, can utilize one-level roof 61 and the fixed one-level ejector pin 62 of one-level clamp plate 64, both make things convenient for the equipment, can improve the installation stability of one-level ejector pin 62 again, and then avoid one-level ejector pin 62 because of rocking the influence material returned effect at the promotion in-process. Preferably, a secondary top plate 65 and a secondary driving part are arranged in the material returning mechanism 6, wherein the secondary top plate 65 is slidably mounted on the supporting column 63 and located between the primary top plate 61 and the movable mold supporting plate 4, a secondary ejector rod (not shown in the figure) is vertically arranged on the secondary top plate 65, the free end of the secondary ejector rod is arranged in a secondary push hole 68 penetrating through the movable mold supporting plate 4, the movable mold plate 3 and the movable mold core 11 or the mold insert 41, and the secondary push hole 68 is communicated with the feeding channel 111 or the ladle groove 112; the secondary driving member comprises a supporting shaft 661 and a pressing block 662, the supporting shaft 661 is fixedly mounted on the movable die supporting plate 4 and is parallel to the movable die supporting plate 4, a connecting end of the pressing block 662 is mounted on the supporting shaft 661, and a free end of the pressing block 662 is located between the secondary top plate 65 and the primary top plate 61 and can swing around the supporting shaft 661. Like this, after utilizing one-level roof 61 and one-level ejector pin 62 to take off lamp section of thick bamboo 8 from casting mould mold insert 41, can continue to promote one-level roof 61 to utilize briquetting 662 in the second grade driving piece to press and push away second grade roof 65, promote unnecessary mould material and slag charge by second grade roof 65 then in feed channel 111 and the cinder ladle groove 112 that the second grade ejector pin will move on the mold core 11 and release, influence with unnecessary mould material and slag charge in avoiding feed channel 111 and cinder ladle groove 112 the utility model discloses lamp section of thick bamboo for the processing of lamp section of thick bamboo among the LED lamps and lanterns mould secondary casting forms lamp section of thick bamboo 9 in the LED lamps and lanterns. Preferably, a secondary pressure plate 69 attached to the secondary top plate 65 is pressed on the upper side of the secondary top plate 65, and the secondary pressure plate 69 and the secondary top plate 65 are connected by a secondary connecting bolt in a secondary connecting through hole 602 located at opposite positions on the secondary top plate 65 and the secondary pressure plate 69 and penetrating each other. Like this, press the second grade clamp plate 69 of putting with the laminating of second grade roof 65 on second grade roof 65 upside to usable second grade clamp plate 69 and the fixed second grade ejector pin of second grade roof 65 avoid the second grade ejector pin to take place to rock or misplace when promoting the mould material and the slag charge in feedstock channel 111 and the slag charge package 112, influence the material returned effect. Preferably, a reset rod 651 is vertically disposed on the secondary top plate 65, and a free end of the reset rod 651 is inserted into a reset through hole penetrating through the movable mold support plate 4 and the movable mold plate 3. Thus, when the mold is closed again after the mold is removed, the return arm 651 can be pushed by the fixed platen 2, and the material returning mechanism 6 can be returned, so that the mold removing operation can be completed after the secondary mold is cast. Preferably, the secondary driving member further comprises a support 663, the support 663 is fixedly mounted on the movable mold supporting plate 4, and one end of the support 663, which is far away from the movable mold supporting plate 4, is provided with a mounting seat ear 6631 for mounting the supporting shaft 661. Thus, the support shaft 661 for attaching the presser 662 is supported by the support 663, and the positional stability of the support shaft 661 can be improved. Preferably, the inside of the mold legs 5 is provided with a receiving groove 51 for receiving the secondary driving member. Thus, the accommodating groove 51 for accommodating the secondary driving part is arranged on the inner side of the mold leg 5, the support 663 and the support shaft 661 in the secondary driving part can be arranged in the accommodating groove 51, and the support 663, the support shaft 661 and the secondary top plate 65 can be prevented from interfering, and the secondary top plate 65 can be prevented from driving the secondary ejector rod to push out the casting mold materials and slag materials in the feeding channel 111 and the slag ladle groove 112. Preferably, the inner side wall of the mold foot 5 is provided with a limiting projection 52, and the limiting projection 52 is positioned between the primary top plate 61 and the secondary top plate 65. Therefore, when the material is returned, the limit bulge 52 can be used for limiting the advancing amount of the first-stage top plate 61, so that the phenomenon that the material returning is influenced by the overlarge pushing amount of the first-stage ejector rod 62 when the movable template 3 and the movable mold core 11 are pushed out of the lamp tube 9 is avoided; when resetting, utilize spacing arch 52 to restrict the volume of retreating of second grade roof 65, avoid the volume of retreating of second grade roof 65 too big and influence resetting, lead to material returned mechanism 6 and movable mould backup plate 4 and movable mould board 3 to separate even, influence follow-up mould and use.

Claims

1. The die for processing the lamp tube in the LED lamp is characterized by comprising a die core, a fixed die plate, a movable die supporting plate, die feet and a material returning mechanism, wherein the die core comprises a movable die core and a fixed die core, the movable die core is arranged in a movable die cavity on the movable die plate, a feeding channel and a slag ladle groove communicated with a material cylinder are arranged on the movable die core, the fixed die core is arranged in the fixed die cavity on the fixed die plate, and the movable die core and the fixed die core are oppositely combined and fixed in a die cavity formed by combining the fixed die cavity and the movable die cavity when die assembly is carried out; the movable die plate is positioned between the fixed die plate and the movable die supporting plate and is fixedly arranged on the movable die supporting plate through a guide pillar; the movable mold supporting plate is fixedly arranged on the mold legs and positioned on the upper sides of the mold legs, a mold insert is vertically arranged on the movable mold supporting plate, and the top end of the mold insert penetrates through the movable mold plate and the insert inserting through hole communicated with the movable mold core and extends into the fixed mold core; the material returning mechanism comprises a first-level top plate, a first-level ejector rod and a support column, wherein the first-level top plate is located below the movable mold support plate and parallel to the movable mold support plate, the first-level top plate can be slidably mounted on the support column, the first-level ejector rod is vertically arranged on the first-level top plate, and the free end of the first-level ejector rod penetrates through the movable mold support plate and is inserted into a first-level pushing hole in the bottom of the movable mold plate.

2. The die for processing the lamp tube in the LED lamp according to claim 1, wherein the material returning mechanism further comprises a secondary top plate and a secondary driving member, the secondary top plate is slidably mounted on the supporting column and located between the primary top plate and the movable mold supporting plate, a secondary ejector rod is vertically disposed on the secondary top plate, a free end of the secondary ejector rod is inserted into a secondary push hole penetrating through the movable mold supporting plate, the movable mold core or the mold insert, and the secondary push hole is communicated with the feeding channel or the slag ladle groove; the secondary driving part comprises a supporting shaft and a pressing block, the supporting shaft is fixedly arranged on the movable die supporting plate and is parallel to the movable die supporting plate, the connecting end of the pressing block is arranged on the supporting shaft, and the free end of the pressing block is located between the secondary top plate and the primary top plate and can swing around the supporting shaft.

3. The die for processing the lamp cylinder in the LED lamp according to claim 2, wherein a reset rod is vertically disposed on the secondary top plate, and a free end of the reset rod is inserted into a reset through hole penetrating through the movable die supporting plate and the movable die plate.

4. The die for processing the lamp cylinder in the LED lamp according to claim 2 or 3, wherein the secondary driving member further includes a support, the support is fixedly mounted on the movable die supporting plate, and an end of the support facing away from the movable die supporting plate is provided with a mounting lug for mounting the supporting shaft.

5. The die for processing the lamp tube in the LED lamp as claimed in claim 4, wherein the die leg is provided with a receiving groove inside for receiving the secondary driving member.

6. The die for processing the lamp tube in the LED lamp according to claim 5, wherein a limiting protrusion is disposed on an inner side wall of the die leg, and the limiting protrusion is located between the primary top plate and the secondary top plate.

7. The die for processing the lamp tube in the LED lamp according to claim 4, wherein a primary pressure plate attached to the primary top plate is pressed on an upper side of the primary top plate, and the primary pressure plate is connected to the primary top plate by a primary connecting bolt.

8. The die for processing the lamp tube in the LED lamp according to claim 7, wherein a secondary pressing plate attached to the secondary top plate is pressed on an upper side of the secondary top plate, and the secondary pressing plate and the secondary top plate are connected by a secondary screw.

9. The die for processing the lamp cylinder in the LED lamp according to any one of claims 1 to 3, wherein a fixed die guide sleeve and a movable die guide sleeve are sleeved on the guide post, the fixed die guide sleeve is positioned in a fixed die guide post hole on the fixed die plate, and the movable die guide sleeve is positioned in a movable die guide post hole on the movable die plate.