CN217073172U

CN217073172U - Injection mold for refrigerator junction box

Info

Publication number: CN217073172U
Application number: CN202220731002.8U
Authority: CN
Inventors: 陈龙桂; 沈瑞
Original assignee: Qingdao Hengchuang Molding Co ltd
Current assignee: Qingdao Hengchuang Molding Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-29
Anticipated expiration: 2032-03-31

Abstract

The utility model relates to the technical field of injection molds, and discloses an injection mold for a refrigerator junction box, which comprises a lower mold, an upper mold arranged above the lower mold, an injection port arranged at the top end of the upper mold, a cavity arranged between the lower mold and the upper mold, and a quick demolding mechanism, wherein the quick demolding mechanism comprises a cavity groove arranged inside the lower mold, and a push plate, a rack and a gear arranged inside the cavity groove, the outer wall of the push plate is provided with a sealing ring, the cavity groove is communicated with the cavity groove, and the rack is connected with the bottom end of the push plate, so that the utility model can realize the jacking of the injection molding piece of the refrigerator junction box through the quick demolding mechanism, thereby realizing the quick demolding of the injection molding piece of the refrigerator junction box, avoiding the injection molding piece of the refrigerator junction box from being condensed in the cavity and difficult to demold, effectively improving the demolding efficiency of the injection molding piece of the refrigerator junction box, and greatly reducing the demolding difficulty of the injection molding piece of the refrigerator junction box, the efficient production of the refrigerator junction box is realized.

Description

Injection mold for refrigerator junction box

Technical Field

The utility model belongs to the technical field of injection mold, concretely relates to refrigerator terminal box injection mold.

Background

Injection molding, also known as injection molding, is a molding method combining injection and molding, and is applicable to the fields of mass production and molding processing of products with complex shapes. In the production and processing process of the refrigerator junction box, the continuous production of the refrigerator junction box is usually realized through an injection mold, so that the production efficiency of the refrigerator junction box is effectively improved, and the refrigerator junction box is convenient to use.

In chinese patent No. 201922411096.1, there is proposed an injection mold for a junction box of a refrigerator, which is capable of injecting a refrigerant according to a pressurizing condition, the distance is adjusted, the tightness of the connecting boxes is improved, the whole injection mold for the refrigerator connecting box is simple in structure, convenient to operate and better in using effect compared with the traditional mode, but the injection mold can not lift up the injection molding part of the refrigerator junction box, can not realize the rapid demoulding of the injection molding part of the refrigerator junction box, easily causes the injection molding part of the refrigerator junction box to be condensed in a cavity and difficult to demould, increases the demoulding difficulty of the injection molding part of the refrigerator junction box, causes the low demoulding efficiency of the injection molding part of the refrigerator junction box, and affects the high-efficiency production of the refrigerator junction box, in addition, the rapid forming of the refrigerator junction box cannot be realized, so that the injection molding efficiency of the refrigerator junction box is low, the injection molding processing of the refrigerator junction box consumes time and labor, and the production cost of the refrigerator junction box is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a refrigerator terminal box injection mold to what propose among the above-mentioned background art of solution can not lead to the refrigerator terminal box injection molding jacking in the die cavity easily and be difficult to the drawing of patterns, can not realize the quick drawing of patterns of refrigerator terminal box injection molding, can not realize the rapid prototyping of refrigerator terminal box in addition, lead to the problem of refrigerator terminal box inefficiency of moulding plastics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a refrigerator terminal box injection mold, includes the lower mould, locates the last mould of lower mould top, locate the mouth of moulding plastics on mould top and locate the lower mould and go up the die cavity between the mould, still includes quick demoulding mechanism, quick demoulding mechanism is including offering in the inside chamber groove of lower mould and locating push pedal, rack and the gear of chamber inslot portion, the outer wall of push pedal is equipped with the sealing washer, chamber groove and die cavity intercommunication, rack connection is in the bottom of push pedal, and rack and gear mesh mutually, the knob that is located the lower mould outside is installed to the one end of gear.

Preferably, still include cooling body, cooling body is including offering the stock solution chamber, feed liquor pipe and the fluid-discharge tube inside the lower mould and installing in feed liquor valve and the fluid-discharge valve of lower mould both sides, the stock solution chamber is located the outside of die cavity, the feed liquor pipe is with stock solution chamber and feed liquor valve intercommunication, the fluid-discharge tube is with stock solution chamber and fluid-discharge valve intercommunication.

Preferably, still include locating component, locating component includes that the symmetry is installed in the locating piece on lower mould top and is seted up the constant head tank in last mould bottom, the constant head tank corresponds with the locating piece.

Preferably, the rapid demoulding mechanism further comprises a sliding limiting component, the sliding limiting component comprises a linear slide rail arranged on one side of the inner wall of the cavity groove and a linear slide groove arranged on one side of the rack, and the linear slide groove is in sliding fit with the linear slide rail.

Preferably, the fixing plates are installed on two sides of the lower die and the upper die, and fastening bolts are screwed between every two adjacent fixing plates.

Preferably, the opposite corners of one side of the linear slide rail, which is far away from the inner wall of the cavity groove, are all transited by arc chamfers to form smooth arc ends of the surface wall.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a quick demoulding mechanism can realize the jacking of refrigerator terminal box injection molding to realize the quick drawing of patterns of refrigerator terminal box injection molding, can avoid refrigerator terminal box injection molding to condense in the die cavity and be difficult to the drawing of patterns, improved the drawing of patterns efficiency of refrigerator terminal box injection molding effectively, great reduction the drawing of patterns degree of difficulty of refrigerator terminal box injection molding, help improving workman's work efficiency, realize the high-efficient production of refrigerator terminal box.

(2) The utility model discloses a cooling body can realize thermal absorption in the die cavity to realize the rapid prototyping of refrigerator terminal box, improved the efficiency of moulding plastics of refrigerator terminal box effectively, great shortening the cooling shaping cycle of refrigerator terminal box, further realize the high-efficient production of refrigerator terminal box, increased the productivity effect of refrigerator terminal box.

Drawings

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

fig. 2 is a front view of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

FIG. 4 is an enlarged view of FIG. 1 at B;

FIG. 5 is an enlarged view at C of FIG. 1;

in the figure: 1. a lower die; 2. an upper die; 3. an injection molding port; 4. a cavity; 5. a rapid demoulding mechanism; 51. a knob; 52. pushing the plate; 53. a seal ring; 54. a cavity groove; 55. a rack; 56. a gear; 57. a linear slide rail; 58. a linear chute; 6. a cooling mechanism; 61. a liquid storage cavity; 62. a liquid inlet pipe; 63. a liquid inlet valve; 64. a liquid discharge pipe; 65. a drain valve; 7. a positioning assembly; 71. positioning blocks; 72. positioning a groove; 8. and (7) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: an injection mold for a refrigerator junction box comprises a lower mold 1, an upper mold 2 arranged above the lower mold 1, an injection port 3 arranged at the top end of the upper mold 2, and a cavity 4 arranged between the lower mold 1 and the upper mold 2, wherein fixing plates 8 are respectively arranged on two sides of the lower mold 1 and the upper mold 2, and fastening bolts are respectively screwed between two adjacent fixing plates 8;

the rapid demolding mechanism 5 comprises a cavity groove 54 arranged inside the lower mold 1, a push plate 52, a rack 55 and a gear 56 arranged inside the cavity groove 54, a sealing ring 53 is arranged on the outer wall of the push plate 52, the cavity groove 54 is communicated with the cavity 4, the rack 55 is connected to the bottom end of the push plate 52, the rack 55 is meshed with the gear 56, and a knob 51 positioned outside the lower mold 1 is installed at one end of the gear 56.

When the refrigerator junction box is subjected to injection molding, a worker can firstly match the upper die 2 and the lower die 1, fasten the upper die 2 and the lower die 1 through the fixing plate 8 and the fastening bolt, then inject slurry into the cavity 4 through the injection port 3 until the slurry is cooled and molded to form an injection molding part of the refrigerator junction box, then the worker unscrews the fastening bolt and separates the upper die 2 from the lower die 1, and then the worker takes out the injection molding part of the refrigerator junction box from the cavity 4, so that the injection molding part of the refrigerator junction box is demolded, and the injection molding of the refrigerator junction box is completed;

in addition, when the injection molding part of the refrigerator junction box is demolded, a worker can rotate the gear 56 through the knob 51, so that the gear 56 drives the rack 55 to move along the cavity groove 54 to drive the push plate 52 to move upwards until the injection molding part of the refrigerator junction box cooled and molded in the cavity 54 is lifted upwards, and then the worker takes down the injection molding part of the refrigerator junction box on the push plate 52, so that the injection molding part of the refrigerator junction box is lifted, the injection molding part of the refrigerator junction box is rapidly demolded, the injection molding part of the refrigerator junction box is prevented from being condensed in the cavity 4, the demolding efficiency of the injection molding part of the refrigerator junction box is effectively improved, the demolding difficulty of the injection molding part of the refrigerator junction box is greatly reduced, the working efficiency of the worker is improved, and the efficient production of the refrigerator junction box is realized.

Further, still include cooling body 6, cooling body 6 is including offering the stock solution chamber 61, feed liquor pipe 62 and the fluid-discharge tube 64 of lower mould 1 inside and installing in feed liquor valve 63 and the fluid-discharge valve 65 of lower mould 1 both sides, and stock solution chamber 61 is located the outside of die cavity 4, and feed liquor pipe 62 communicates stock solution chamber 61 with feed liquor valve 63, and fluid-discharge tube 64 communicates stock solution chamber 61 with fluid-discharge valve 65.

In the injection molding process of the refrigerator junction box, a worker can open the liquid inlet valve 63 to convey cooling liquid into the liquid storage cavity 61 through the liquid inlet pipe 62, then the cooling liquid absorbs heat in the cavity 4, and then the worker can open the liquid outlet valve 65 to discharge the cooling liquid in the liquid storage cavity 61 through the liquid outlet pipe 64, so that cooling of an injection molding part in the cavity 4 is realized, quick molding of the refrigerator junction box is realized, the injection molding efficiency of the refrigerator junction box is effectively improved, the cooling molding period of the refrigerator junction box is greatly shortened, efficient production of the refrigerator junction box is further realized, and the production benefit of the refrigerator junction box is increased.

Further, still include locating component 7, locating component 7 includes that the symmetry is installed in the locating piece 71 on lower mould 1 top and is seted up the constant head tank 72 in last mould 2 bottom, and constant head tank 72 is corresponding with locating piece 71, when last mould 2 and lower mould 1 compound die, through the cooperation of locating piece 71 and constant head tank 72, can realize going up the quick location between mould 2 and the lower mould 1, and then be convenient for go up the fastening between mould 2 and the lower mould 1.

Further, the rapid demoulding mechanism 5 further comprises a sliding limiting component, the sliding limiting component comprises a linear slide rail 57 mounted on one side of the inner wall of the cavity groove 54 and a linear slide groove 58 arranged on one side of the rack 55, the linear slide groove 58 is in sliding fit with the linear slide rail 57, and the rack 55 can be limited through the matching of the linear slide groove 58 and the linear slide rail 57, so that the gear 56 can drive the rack 55 to stably lift.

Further, opposite corners of one side of the linear slide rail 57 far away from the inner wall of the cavity groove 54 are all transited by arc chamfers to form a smooth arc end of the surface wall, and the linear slide rail 57 can conveniently slide along the linear slide groove 58 through the smooth arc end of the surface wall.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a refrigerator terminal box injection mold, includes lower mould (1), locates last mould (2) of lower mould (1) top, locates mouthful (3) of moulding plastics on last mould (2) top and locate lower mould (1) and last mould cavity (4) between mould (2), its characterized in that: still include quick demoulding mechanism (5), quick demoulding mechanism (5) are including offering cavity groove (54) inside lower mould (1) and locating push pedal (52), rack (55) and gear (56) inside cavity groove (54), the outer wall of push pedal (52) is equipped with sealing washer (53), cavity groove (54) and cavity (4) intercommunication, rack (55) are connected in the bottom of push pedal (52), and rack (55) mesh mutually with gear (56), knob (51) that are located lower mould (1) outside are installed to the one end of gear (56).

2. The injection mold for the junction box of the refrigerator as claimed in claim 1, wherein: still include cooling body (6), cooling body (6) are including offering stock solution chamber (61), feed liquor pipe (62) and fluid-discharge tube (64) inside lower mould (1) and installing in feed liquor valve (63) and fluid-discharge valve (65) of lower mould (1) both sides, stock solution chamber (61) are located the outside of die cavity (4), feed liquor pipe (62) communicate stock solution chamber (61) and feed liquor valve (63), fluid-discharge tube (64) communicate stock solution chamber (61) and fluid-discharge valve (65).

3. The injection mold for refrigerator junction boxes according to claim 1, wherein: still include locating component (7), locating component (7) are including symmetry install locating piece (71) on lower mould (1) top and set up constant head tank (72) in last mould (2) bottom, constant head tank (72) correspond with locating piece (71).

4. The injection mold for the junction box of the refrigerator as claimed in claim 1, wherein: the rapid demoulding mechanism (5) further comprises a sliding limiting component, the sliding limiting component comprises a linear sliding rail (57) arranged on one side of the inner wall of the cavity groove (54) and a linear sliding groove (58) arranged on one side of the rack (55), and the linear sliding groove (58) is in sliding fit with the linear sliding rail (57).

5. The injection mold for the junction box of the refrigerator as claimed in claim 1, wherein: fixed plates (8) are installed on two sides of the lower die (1) and the upper die (2), and fastening bolts are screwed between every two adjacent fixed plates (8).

6. The injection mold for the junction box of the refrigerator as claimed in claim 4, wherein: the opposite corners of one side of the linear sliding rail (57) far away from the inner wall of the cavity groove (54) are in arc chamfer transition to form smooth arc ends of the surface wall.