Anti-deviation mechanism for metal insert of apartment bed guardrail injection mold

Abstract

The utility model provides an anti-deviation mechanism for a metal insert of an apartment bed guardrail injection mold, and belongs to the technical field of molds. The guardrail forming mold comprises a top plate, an upper mold plate, a lower mold plate and a bottom plate which are sequentially arranged from top to bottom, a guardrail forming cavity is formed between the upper mold plate and the lower mold plate, and the guardrail forming cavity is composed of a guardrail main body forming part and a guardrail blocking rod forming part. After the guardrail main body metal insert and the guardrail stop lever metal insert are respectively put into the guardrail main body forming part and the guardrail stop lever forming part, a plastic coating layer on the outer layer of the metal insert can be formed through injection molding; the insert anti-deviation assembly and the multiple insert anti-deviation structures can fix the guardrail main body metal insert and the guardrail blocking rod metal insert correspondingly so as to prevent errors of the thickness of a coating layer caused by deviation in the injection molding process. The connecting rod forming structure can form a plurality of connecting rods between the guardrail main body and the guardrail blocking rod so as to improve the connecting strength between the guardrail main body and the guardrail blocking rod.

Description

TECHNICAL FIELD

[0001] The utility model belongs to die technical field relates to a kind of apartment bed guardrail injection mould metal insert anti-deviation mechanism. BACKGROUND

[0002] The composition of the apartment bed guardrail is generally an internal metal insert and a plastic cladding layer wrapped around the metal insert. During production, the processed metal insert is placed into the mold, and the plastic cladding layer is formed by injection molding. However, in the prior art, the metal insert is prone to deviation in the molding cavity of the mold during injection molding, resulting in uneven thickness of the cladding layer at different positions of the insert.

[0003] For example, a combined injection molding mold for isolation guardrails is disclosed in Chinese Patent [Application No. 201811487706.X], which includes a first upper mold, a first core, and a first lower mold. The first upper mold and the first lower mold cooperate to form a first injection molding cavity. The first injection molding cavity cooperates with the first core to form a first cavity with the same shape as the first guardrail unit body. The second injection molding mold unit includes a second upper mold, a second core, and a second lower mold. The second upper mold and the second lower mold cooperate to form a second injection molding cavity. The second injection molding cavity cooperates with the second core to form a second cavity with the same shape as the second guardrail unit body. The third injection molding mold unit includes a third upper mold, a third core group, and a third lower mold. The third upper mold and the third lower mold cooperate to form a third injection molding cavity. The third injection molding cavity cooperates with the third core group to form a third cavity with the same shape as the third guardrail unit body. SUMMARY

[0004] The utility model aims at the above problem, provides a kind of apartment bed guardrail injection mould metal insert anti-deviation mechanism.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] An apartment bed guardrail injection molding mold metal insert anti-deviation mechanism includes a top plate, an upper mold plate, a lower mold plate and a bottom plate arranged in sequence from top to bottom. A guardrail forming cavity is provided between the upper mold plate and the lower mold plate. The guardrail forming cavity is composed of a guardrail body forming part and a guardrail rod forming part. A guardrail body metal insert and a guardrail rod metal insert are respectively placed in the guardrail body forming part and the guardrail rod forming part. An insert anti-deviation assembly is provided on the side of the guardrail body forming part away from the guardrail rod forming part. A plurality of insert anti-deviation structures are provided in the guardrail rod forming part. The guardrail body forming part is connected to the guardrail rod forming part at both ends. A plurality of connecting rod forming structures are provided between the inner side of the guardrail body forming part and the guardrail rod forming part.

[0007] The metal insert anti-deviation assembly comprises a plurality of positioning seats protruding on the forming part of the guardrail main body, which are inserted into the hollow grooves on the metal insert of the guardrail main body.

[0008] The metal insert anti-deviation assembly further comprises a plurality of edge stop rods fixed on the upper die plate, and the bottom of the edge stop rod is in abutment with the outer side of the forming part of the guardrail main body.

[0009] The top end of the edge stop rod vertically penetrates the upper die plate and is detachably connected with the upper die plate through the connecting seat and the bolt.

[0010] The metal insert anti-deviation assembly comprises two positioning blocks protruding on the inner side of the forming part of the guardrail stop rod, and the two positioning blocks are oppositely arranged and in abutment with the metal insert of the guardrail stop rod.

[0011] The metal insert anti-deviation assembly comprises two positioning blocks protruding on the inner side of the forming part of the guardrail stop rod, and the two positioning blocks are oppositely arranged and in abutment with the metal insert of the guardrail stop rod.

[0012] The metal insert anti-deviation assembly comprises two positioning blocks protruding on the inner side of the forming part of the guardrail stop rod, and the two positioning blocks are oppositely arranged and in abutment with the metal insert of the guardrail stop rod.

[0013] The metal insert anti-deviation assembly comprises two positioning blocks protruding on the inner side of the forming part of the guardrail stop rod, and the two positioning blocks are oppositely arranged and in abutment with the metal insert of the guardrail stop rod.

[0014] The metal insert anti-deviation assembly comprises two positioning blocks protruding on the inner side of the forming part of the guardrail stop rod, and the two positioning blocks are oppositely arranged and in abutment with the metal insert of the guardrail stop rod.

[0015] The metal insert anti-deviation assembly comprises two positioning blocks protruding on the inner side of the forming part of the guardrail stop rod, and the two positioning blocks are oppositely arranged and in abutment with the metal insert of the guardrail stop rod.

[0016] The metal insert anti-deviation assembly comprises two positioning blocks protruding on the inner side of the forming part of the guardrail stop rod, and the two positioning blocks are oppositely arranged and in abutment with the metal insert of the guardrail stop rod.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1, the metal insert of guardrail main body and the metal insert of guardrail pole are put into the guardrail main body forming part and the guardrail pole forming part respectively, and the plastic coating layer of the metal insert outer layer can be formed through injection molding, the insert deviation prevention assembly and the plurality of insert deviation prevention structures can fix the metal insert of guardrail main body and the metal insert of guardrail pole respectively, so as to prevent the thickness error of the coating layer caused by deviation during injection molding, and the connecting rod forming structure can form a plurality of connecting rods between the guardrail main body and the guardrail pole to improve the connecting strength between the guardrail main body and the guardrail pole.

[0019] 2, the metal insert of guardrail pole can be fixed in the middle of the guardrail pole forming part through the cooperation between the two positioning blocks, so that the coating layer can be formed on the circumferential surface of the metal insert of guardrail pole in a ring shape, and the metal insert of guardrail pole can be fixed to prevent deviation during injection molding.

[0020] Other advantages, objects and features of the utility model will be embodied in part through the following description, and will be understood by those skilled in the art through research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the external structure schematic diagram of the utility model;

[0022] Figure 2 It is the structure schematic diagram of the upper end face of the upper mold plate;

[0023] Figure 3 It is the structure schematic diagram of the lower mold plate after injection molding;

[0024] Figure 4 It is the structure schematic diagram of the lower mold plate before injection molding. DETAILED DESCRIPTION

[0025] As Figures 1-4The utility model discloses an apartment bed guardrail injection mold metal insert anti -migration mechanism, including top plate 1, upper die plate 2, lower die plate 3 and bottom plate 4 that set gradually from top to bottom, be provided with the guardrail forming cavity between upper die plate 2 and lower die plate 3, the guardrail forming cavity is formed by guardrail main part forming portion 5 and guardrail pole forming portion 6, guardrail main part forming portion 5 and guardrail pole forming portion 6 are placed respectively with guardrail main part metal insert 7 and guardrail pole metal insert 8, guardrail main part forming portion 5 is provided with insert anti -migration subassembly 9 away from the side of guardrail pole forming portion 6, be provided with a plurality of insert anti -migration structure 10 in guardrail pole forming portion 6, the both ends of guardrail main part forming portion 5 and guardrail pole forming portion 6 are connected, still be equipped with a plurality of connecting rod forming structure 11 between the inboard of guardrail main part forming portion 5 and guardrail pole forming portion 6.

[0026] In the utility model, after guardrail main part metal insert 7 and guardrail pole metal insert 8 are placed into guardrail main part forming portion 5 and guardrail pole forming portion 6 respectively, the plastic coating layer of metal insert outer layer can be formed by injection molding, insert anti -migration subassembly 9 and a plurality of insert anti -migration structure 10 can be fixed respectively to guardrail main part metal insert 7 and guardrail pole metal insert 8 to prevent the thickness error of coating layer caused by migration during injection molding, and connecting rod forming structure 11 can form a plurality of connecting rods between the guardrail main body and the guardrail pole to improve the connection strength between the guardrail main body and the guardrail pole.

[0027] Specifically, insert anti -migration subassembly 9 includes a plurality of positioning seats 12 protruding on guardrail main part forming portion 5, the positioning seat 12 is inserted into the hollow slot on the guardrail main part metal insert 7, and the insert anti -migration subassembly 9 further includes a plurality of edge pole 13 fixed on the upper die plate 2, and the bottom of the edge pole 13 is in abutment with the outside of the guardrail main part forming portion 5. The positioning seat 12 cooperates with the hollow slot on the guardrail main part metal insert 7 to fix and position the guardrail main part metal insert 7, and the edge pole can further limit the guardrail main part metal insert 7, thereby reducing the influence of the gap between the positioning seat and the hollow slot on the precision.

[0028] Preferably, the top end of the edge pole 13 vertically penetrates the upper die plate 2 and is detachably connected to the upper die plate 2 through the connecting seat 14 and the bolt, so that the edge pole 13 can be conveniently detached.

[0029] Specifically, the insert anti-deviation structure 10 includes two positioning blocks 15 protrudingly arranged inside the guardrail rod forming portion 6, the two positioning blocks 15 are oppositely arranged and the inner ends abut against the guardrail rod metal insert 8, and a plurality of insert anti-deviation structures 10 separate the guardrail rod forming portion 6 to form a plurality of insert injection-molding covering areas 16. The guardrail rod metal insert 8 can be suspendedly fixed in the middle of the guardrail rod forming portion 6 through cooperation between the two positioning blocks, so that the covering layer can be formed in a surrounding manner on the circumferential surface of the guardrail rod metal insert, and the guardrail rod metal insert can be fixed to prevent deviation during injection molding.

[0030] Preferably, a non-injection-plate shunt injection structure 17 is further arranged between the top plate 1 and the upper die plate 2, the non-injection-plate shunt injection structure 17 includes a first glue inlet flow channel 18 recessedly arranged on the top of the upper die plate 2, a plurality of shunt flow channels 19 are arranged on both sides of the first glue inlet flow channel 18, a second glue inlet flow channel is arranged at the bottom of the tail end of the shunt flow channel 19, and the bottom of the second glue inlet flow channel is connected with the insert injection-molding covering area 16 or the guardrail body forming portion 5. The multi-point glue inlet into the guardrail forming cavity through the first glue inlet flow channel 18, the shunt flow channel 19 and the second glue inlet flow channel can reduce the cost, the injection liquid shunt plate is not needed to be arranged, and the overall height of the mold can be reduced.

[0031] Specifically, the connecting rod forming structure 11 includes a plurality of connecting rod forming grooves 22, the two ends of the connecting rod forming grooves are respectively connected with the guardrail body forming portion 5 and the guardrail rod forming portion 6, and the connecting rod forming grooves can form the connecting rods connecting the guardrail body and the guardrail rod during injection molding.

[0032] Preferably, two guardrail end plastic sleeve forming structures are further arranged between the inside of the guardrail body forming portion 5 and the guardrail rod forming portion 6, the guardrail end plastic sleeve forming structure includes a guardrail end plastic sleeve forming groove 20 recessedly arranged on the lower die plate 3, and a forming block 21 is protrusively arranged in the middle of the guardrail end plastic sleeve forming groove 20. The guardrail end plastic sleeve forming structure composed of the guardrail end plastic sleeve forming groove utilizes the excess space in the mold, can form the guardrail end plastic sleeve during injection molding, does not need to additionally increase the mold to produce the plastic sleeve, and can effectively reduce the production cost.

[0033] The working principle of the utility model is as follows: after the guardrail body metal insert 7 and the guardrail rod metal insert 8 are respectively put into the guardrail body forming portion 5 and the guardrail rod forming portion 6, the plastic covering layer outside the metal insert can be formed through injection molding, the insert anti-deviation assembly 9 and the plurality of insert anti-deviation structures 10 can respectively fix the guardrail body metal insert 7 and the guardrail rod metal insert 8 to prevent deviation during injection molding and cause thickness error of the covering layer, and the connecting rod forming structure 11 can form a plurality of connecting rods between the guardrail body and the guardrail rod to improve the connecting strength between the guardrail body and the guardrail rod.

[0034] The positioning seat 12, in conjunction with the hollowed-out groove on the main metal insert 7 of the guardrail, can fix and position the main metal insert 7 of the guardrail. The edge stop bar can further limit the position of the main metal insert 7 of the guardrail, reducing the impact of the gap between the positioning seat and the hollowed-out groove on the accuracy. Through the cooperation between the two positioning blocks, the guardrail stop metal insert 8 can be suspended and fixed in the middle of the guardrail stop forming part 6, so that the covering layer can be formed around the circumferential surface of the guardrail stop metal insert, and can also fix the guardrail stop metal insert to prevent displacement during injection molding.

[0035] By injecting glue into the guardrail molding cavity at multiple points through the primary injection channel 18, the diversion channel 19, and the secondary injection channel, costs can be reduced. There is no need to set up an injection liquid diversion plate, and the overall height of the mold can also be reduced. The connecting rod molding groove can form a connecting rod connecting the guardrail body and the guardrail guardrail bar during injection molding. The guardrail end plastic sleeve molding structure, composed of the guardrail end plastic sleeve molding groove, utilizes the extra space in the mold and can form the guardrail end plastic sleeve during injection molding. There is no need to add a separate mold to produce the plastic sleeve, which can effectively reduce production costs.

[0036] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A metal insert anti-displacement mechanism for an injection mold of a dormitory bed guardrail, comprising a top plate (1), an upper template (2), a lower template (3), and a bottom plate (4) arranged sequentially from top to bottom, characterized in that, A guardrail forming cavity is provided between the upper template (2) and the lower template (3). The guardrail forming cavity is composed of a guardrail main body forming part (5) and a guardrail stop forming part (6). A guardrail main body metal insert (7) and a guardrail stop metal insert (8) are respectively placed in the guardrail main body forming part (5) and the guardrail stop forming part (6). An insert anti-displacement component (9) is provided on the side of the guardrail main body forming part (5) away from the guardrail stop forming part (6). Several insert anti-displacement structures (10) are provided in the guardrail stop forming part (6). The two ends of the guardrail main body forming part (5) are connected to the guardrail stop forming part (6). Several connecting rod forming structures (11) are also provided between the inner side of the guardrail main body forming part (5) and the guardrail stop forming part (6).

2. The anti-displacement mechanism for the metal insert of the injection mold for the dormitory bed guardrail according to claim 1, characterized in that, The insert anti-displacement component (9) includes several positioning seats (12) protruding from the forming part (5) of the guardrail body, and the positioning seats (12) are inserted into the hollow grooves on the metal insert (7) of the guardrail body.

3. The anti-displacement mechanism for the metal insert of the injection mold for the dormitory bed guardrail according to claim 2, characterized in that, The insert anti-displacement component (9) also includes several edge stops (13) fixed on the upper template (2), the bottom of which abuts against the outer side of the guardrail body forming part (5).

4. The anti-displacement mechanism for the metal insert of the injection mold for the dormitory bed guardrail according to claim 3, characterized in that, The top of the edge stop (13) extends vertically through the upper template (2) and is detachably connected to the upper template (2) via a connecting seat (14) and bolts.

5. The anti-displacement mechanism for the metal insert of the injection mold for the dormitory bed guardrail according to claim 4, characterized in that, The insert anti-displacement structure (10) includes two positioning blocks (15) protruding from the inner side of the guardrail bar forming part (6). The two positioning blocks (15) are arranged opposite each other and their inner ends abut against the guardrail bar metal insert (8).

6. The anti-displacement mechanism for the metal insert of the injection mold for the dormitory bed guardrail according to claim 5, characterized in that, Several insert anti-displacement structures (10) divide the guardrail rod forming part (6) into several insert injection molding covering areas (16).

7. The anti-displacement mechanism for the metal insert of the injection mold for the dormitory bed guardrail according to claim 6, characterized in that, A non-injection plate diversion injection molding structure (17) is also provided between the top plate (1) and the upper template (2).

8. The anti-displacement mechanism for the metal insert of the injection mold for the dormitory bed guardrail according to claim 7, characterized in that, The injection molding structure (17) without injection molding plate includes a primary injection channel (18) recessed inward at the top of the upper template (2). Several branch channels (19) are provided on both sides of the primary injection channel (18). A secondary injection channel is provided at the bottom of the end of the branch channel (19). The bottom of the secondary injection channel is connected to the insert injection molding covering area (16) or the guardrail body molding part (5).

9. The anti-displacement mechanism for the metal insert of the injection mold for the dormitory bed guardrail according to claim 1, characterized in that, The connecting rod forming structure (11) includes several connecting rod forming grooves (22), and the two ends of the connecting rod forming grooves (22) are respectively connected to the guardrail body forming part (5) and the guardrail stop forming part (6); Two guardrail end plastic sleeve forming structures are also provided between the inner side of the guardrail main body forming part (5) and the guardrail stop forming part (6).

10. The anti-displacement mechanism for the metal insert of the injection mold for the dormitory bed guardrail according to claim 9, characterized in that, The aforementioned guardrail end plastic sleeve forming structure includes a guardrail end plastic sleeve forming groove (20) recessed inward on the lower template (3), and a forming block (21) protruding from the middle of the guardrail end plastic sleeve forming groove (20).

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