Foldable outdoor clothes hanger injection molding mold with sliding block core-pulling mechanism

The slider core extraction mechanism forms a splicing structure of the folding clothes hanger in the injection mold, which solves the problem of complex production processes in the prior art, realizes automatic core extraction and splicing, and simplifies the production process.

CN222346192UActive Publication Date: 2025-01-14TAIZHOU SENLI PLASTIC CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421048909.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-14
Publication Date
2025-01-14
Estimated Expiration
2034-05-14

AI Technical Summary

Technical Problem

The existing folding clothes hangers need to be subsequently processed to form a splicing structure after injection molding, and the production process is complicated.

Method used

The foldable outdoor clothes hanger injection molding mold adopts slider core extraction mechanism. The core extraction molding structure is formed during injection molding through the rotary joint core extraction structure of the front frame and the rear frame, and the core extraction is automatically extracted during mold opening to reduce production. Process.

Benefits of technology

It realizes the automatic formation of splicing structure during injection molding, reduces the post-processing steps, simplifies the production process, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222346192U_ABST
    Figure CN222346192U_ABST
Patent Text Reader

Abstract

The utility model provides a foldable outdoor clothes hanger injection molding mold with a sliding block core-pulling mechanism, and belongs to the technical field of molds. The mold is used for forming a front rack body and a rear rack body which form a folding clothes hanger main body through injection molding and comprises an upper mold plate and a lower mold plate, and a front rack body forming cavity and a rear rack body forming cavity are formed between the upper mold plate and the lower mold plate. And a front frame body rotary joint core-pulling type forming structure and a rear frame body rotary joint core-pulling type forming structure are also arranged between the upper template and the lower template. The front rack body forming cavity and the rear rack body forming cavity can form the front rack body and the rear rack body which form the folding clothes hanger main body in an injection molding mode. The front rack body rotary joint core-pulling type forming structure and the rear rack body rotary joint core-pulling type forming structure can form a splicing structure spliced into the folding clothes hanger main body when the front rack body and the rear rack body are subjected to injection molding, automatic core pulling can be achieved during mold opening, later processing is not needed, and production procedures are reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to an injection molding mold of a foldable outdoor clothes drying rack with a slider core pulling mechanism. Background Art

[0002] The main body of the folding clothes drying rack is generally formed by splicing two parts. The folding outdoor clothes drying rack is mostly formed by injection molding. Since the folding clothes drying rack is formed by splicing two parts, the folding clothes drying rack in the prior art needs to be processed to form a splicing structure on the two parts after injection molding, and the production process is relatively complicated.

[0003] For example, a Chinese patent discloses a vertical one-mold multi-cavity clothes hanger mold demoulding mechanism [application number: 201410478798.0], which includes a fixed mold plate and a movable mold plate, a circular bottom plate is installed on the movable mold plate, a core column is installed on the circular bottom plate, and a vertical annular array is formed around the core column with the center of the circular bottom plate as the center of the circle. A forming insert is arranged on the circular bottom plate, and a half mold cavity is opened on the two side walls of each forming insert. Each half mold cavity is assembled with the adjacent half mold cavity to form a complete clothes hanger mold cavity. A clothes hanger molded by injection molding is arranged in the clothes hanger mold cavity, a stripping module is arranged on the outer side of each molding insert, the stripping module drives the molding insert to be demolded, a lower runner insert is installed on the core column, an upper runner insert is installed in the fixed mold plate, and a half-curved runner groove is formed on the corresponding surfaces of the upper runner insert and the lower runner insert respectively, and the two half-curved runner grooves are assembled into a complete runner groove, and the runner groove is connected to the clothes hanger mold cavity through a gate, and there is a curved residual material after injection molding in the runner groove, and the curved residual material is connected to the clothes hanger. Utility Model Content

[0004] The utility model aims to solve the above problems and provides an injection molding mold for a foldable outdoor clothes drying rack with a slider core pulling mechanism.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A foldable outdoor clothes drying rack injection molding mold with a slider core-pulling mechanism is used for injection molding a front frame and a rear frame constituting the main body of the foldable clothes drying rack. The mold comprises an upper template and a lower template, a front frame molding cavity and a rear frame molding cavity are arranged between the upper template and the lower template, and a front frame rotating joint core-pulling molding structure and a rear frame rotating joint core-pulling molding structure are also arranged between the upper template and the lower template.

[0007] In the above-mentioned injection molding mold of the foldable outdoor clothes drying rack with a slider core pulling mechanism, the front frame body rotating joint core pulling molding structure includes a front frame body rotating joint molding groove connected to the front frame body molding cavity, the cross-section of the front frame body rotating joint molding groove is circular, and the upper and lower parts of the front frame body rotating joint molding groove are respectively arranged on the upper template and the lower template, and also includes a front frame body rotating slot molding rod horizontally inserted into the front frame body rotating joint molding groove from the outside to the inside, and a front frame body core pulling assembly connected to the front frame body rotating slot molding rod, the inner end of the front frame body rotating slot molding rod is also protruding with a front frame body hook mounting hole molding rod, and the front frame body rotating slot molding rod and the front frame body hook mounting hole molding rod are both cylindrical.

[0008] In the above-mentioned injection molding mold of the foldable outdoor clothes drying rack with a slider core pulling mechanism, the front frame core pulling assembly includes a front frame core pulling seat that slides with the lower template, the front frame rotation slot molding rod is fixed to the inner end of the front frame core pulling seat, and the upper template is fixedly connected with a front frame driving rod that is inclined and has its bottom inserted into the front frame core pulling seat.

[0009] In the above-mentioned injection molding mold of the foldable outdoor clothes drying rack with a slider core-pulling mechanism, a plurality of reinforcing rib molding grooves are also arranged on the front frame body rotating slot molding rod along the circumferential direction.

[0010] In the above-mentioned foldable outdoor clothes drying rack injection molding mold with a slider core-pulling mechanism, the rear frame rotating joint core-pulling molding structure includes a rear frame joint main body molding groove and a rear frame joint connection part molding groove connected to the rear frame molding cavity, the cross-sections of the rear frame joint main body molding groove and the rear frame joint connection part molding groove are circular, and the upper and lower parts of the rear frame joint main body molding groove and the rear frame joint connection part molding groove are respectively arranged on the upper template and the lower template, and also include a rear frame joint groove molding rod inserted from the outside to the inside into the rear frame joint main body molding groove and connected to the rear frame joint groove molding cavity. The rear frame body external core pulling assembly is connected to the rod, and the inner end of the rear frame joint groove forming rod is protrudingly provided with a rear frame joint slot forming rod inserted into the rear frame joint connection part forming groove, and also includes a rear frame joint connection hole forming rod inserted from the inside to the outside into the rear frame joint connection part forming groove and a rear frame body internal core pulling assembly connected to the rear frame joint connection hole forming rod, and a connection part spring claw forming structure is also provided between the rear frame joint slot forming rod and the rear frame joint connection hole forming rod, and the cross-sections of the rear frame joint slot forming rod and the rear frame joint connection hole forming rod are both circular and have the same outer diameter.

[0011] In the above-mentioned injection molding mold of the foldable outdoor clothes drying rack with a slider core pulling mechanism, the rear frame external core pulling assembly includes a rear frame external core pulling seat that slides with the lower template, the rear frame body joint groove forming rod is fixed to the inner end of the rear frame external core pulling seat, and the upper template is also obliquely fixed with a rear frame external drive rod that is inserted into the rear frame external core pulling seat.

[0012] In the above-mentioned injection molding mold of the foldable outdoor clothes drying rack with a slider core pulling mechanism, the core pulling assembly in the rear frame body includes a core pulling seat in the rear frame body that slides with the lower template, the rear frame body joint connecting hole forming rod is fixed to the inner end of the core pulling seat in the rear frame body, and the upper template is also obliquely fixed with a rear frame body driving rod that is inserted into the core pulling seat in the rear frame body.

[0013] In the above-mentioned injection molding mold of the foldable outdoor clothes drying rack with a slider core pulling mechanism, a bowl-shaped spring claw molding groove is recessed inward on the inner end surface of the rear frame joint slot molding rod, and a plurality of spring claw dividing blocks arranged along the circumferential direction are protruding in the spring claw molding groove, and the inner end of the rear frame joint connecting hole molding rod and the spring claw dividing block are abutted against each other.

[0014] In the above-mentioned injection molding mold of the foldable outdoor clothes drying rack with a slider core-pulling mechanism, a positioning block molding groove and a limiting block molding groove are also provided in the rear frame joint main body molding groove.

[0015] In the above-mentioned foldable outdoor clothes drying rack injection molding mold with a slider core pulling mechanism, the front frame core pulling seat and the front frame rotation slot forming rod are integrally formed, and the rear frame outer core pulling seat, the rear frame joint slot forming rod and the rear frame joint slot forming rod are integrally formed.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] 1. The front frame molding cavity and the rear frame molding cavity in the utility model can be injection molded to form the front frame and the rear frame constituting the main body of the folding clothes drying rack. The core-pulling molding structure of the front frame rotating joint and the core-pulling molding structure of the rear frame rotating joint can form a splicing structure of the folding clothes drying rack main body during the injection molding of the front frame and the rear frame and can automatically pull the core when the mold is opened, without the need for post-processing, thereby reducing the production process.

[0018] 2. The front frame rotating joint molding groove can form a front frame rotating joint for splicing into the main body of the folding clothes drying rack on the front frame during injection molding of the front frame. The front frame rotating slot molding rod can form a front frame rotating slot on the front frame rotating joint. The front frame hook mounting hole molding rod can form a front frame hook mounting hole that penetrates the front frame rotating joint on the front frame rotating joint. When opening the mold, the front frame rotating slot molding rod can be pulled out of the front frame rotating joint molding groove through the front frame core pulling assembly to realize automatic core pulling.

[0019] 3. The rear frame joint body forming groove and the rear frame joint connection part forming groove can form the rear frame joint body and the rear frame joint connection part on the rear frame during the rear frame injection molding. The rear frame joint connection part can be inserted into the front frame rotation slot on the front frame rotation joint. The rear frame joint groove forming rod can form the rear frame joint groove at the bottom of the rear frame joint body. The rear frame joint slot forming rod can form a rear frame joint slot connected to the rear frame joint groove in the rear frame joint connection part. The rear frame joint connection hole forming rod can be formed at the rear frame joint. A rear frame joint connecting hole is formed at the top of the connecting part, and a connecting part spring claw forming structure between the rear frame joint slot forming rod and the rear frame joint connecting hole forming rod can form a spring claw structure at the rear frame joint connecting hole. When the rear frame joint connecting part is inserted into the front frame rotation slot, the clothes drying rack hook can be inserted from the front frame hook mounting hole, and pass through the front frame rotation slot and the rear frame joint connecting hole and insert into the rear frame joint slot. The spring claw structure formed at the rear frame joint connecting hole can fix the inner end of the clothes drying rack hook.

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

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

[0022] Figure 2 This is a schematic diagram of the structure of the template when the product is not ejected;

[0023] Figure 3 It is a structural diagram of the lower template after the product is ejected;

[0024] Figure 4 It is a schematic diagram of the local structure of the lower template;

[0025] Figure 5 It is a structural schematic diagram of the rear frame external core pulling assembly;

[0026] Figure 6 It is a structural schematic diagram of the main body of the folding clothes drying rack.

[0027] In the figure, there are a main body 1 of the folding clothes drying rack, a front frame 2, a rear frame 3, an upper template 4, a lower template 5, a front frame forming cavity 6, a rear frame forming cavity 7, a front frame rotating joint core-pulling forming structure 8, a rear frame rotating joint core-pulling forming structure 9, a front frame rotating joint forming groove 10, a front frame rotating slot forming rod 11, a front frame hook mounting hole forming rod 12, a front frame core-pulling seat 13, a front frame driving rod 14, a reinforcing rib forming groove 15, a rear frame joint main body forming groove 16, a rear frame joint connecting part forming groove 17, a rear frame joint groove forming rod 18, a rear frame joint slot forming rod 19, a rear frame joint connecting hole forming rod 20, a rear frame external core-pulling seat 21, a rear frame external driving rod 22, a rear frame internal core-pulling seat 23, a rear frame internal driving rod 24, a spring claw forming groove 25, a spring claw partition block 26, a positioning block forming groove 27, and a limit block forming groove 28. DETAILED DESCRIPTION

[0028] like Figure 1-Figure 6 As shown, an injection molding mold for a foldable outdoor clothes drying rack with a slider core-pulling mechanism is used for injection molding a front frame 2 and a rear frame 3 constituting a main body 1 of the foldable clothes drying rack, comprising an upper template 4 and a lower template 5, a front frame molding cavity 6 and a rear frame molding cavity 7 are arranged between the upper template 4 and the lower template 5, and a front frame rotating joint core-pulling molding structure 8 and a rear frame rotating joint core-pulling molding structure 9 are also arranged between the upper template 4 and the lower template 5.

[0029] The front frame molding cavity 6 and the rear frame molding cavity 7 in the utility model can be injection molded to form the front frame 2 and the rear frame 3 that constitute the main body of the folding clothes drying rack. The front frame rotating joint core-pulling molding structure 8 and the rear frame rotating joint core-pulling molding structure 9 can form a splicing structure that is spliced ​​into the main body of the folding clothes drying rack during the injection molding of the front frame and the rear frame, and can automatically pull the core when the mold is opened, without the need for post-processing, thereby reducing the production process.

[0030] Specifically, the front frame rotating joint core-pulling forming structure 8 includes a front frame rotating joint forming groove 10 connected to the front frame forming cavity 6, the cross-section of the front frame rotating joint forming groove 10 is circular, and the upper and lower parts of the front frame rotating joint forming groove 10 are respectively arranged on the upper template 4 and the lower template 5, and also includes a front frame rotating slot forming rod 11 horizontally inserted into the front frame rotating joint forming groove 10 from the outside to the inside, and a front frame core-pulling assembly connected to the front frame rotating slot forming rod 11, and the inner end of the front frame rotating slot forming rod 11 is also protruding with a front frame hook mounting hole forming rod 12, and the front frame rotating slot forming rod 11 and the front frame hook mounting hole forming rod 12 are both cylindrical. The front frame rotating joint molding groove 10 can form a front frame rotating joint for splicing into the main body of the folding clothes drying rack on the front frame during injection molding of the front frame, the front frame rotating slot molding rod 11 can form a front frame rotating slot on the front frame rotating joint, and the front frame hook mounting hole molding rod can form a front frame hook mounting hole that penetrates the front frame rotating joint on the front frame rotating joint. When opening the mold, the front frame rotating slot molding rod 11 can be pulled out of the front frame rotating joint molding groove 10 through the front frame core pulling assembly to realize automatic core pulling.

[0031] Specifically, the front frame core-pulling assembly includes a front frame core-pulling seat 13 that is slidably matched with the lower template 5, the front frame rotating slot forming rod 11 is fixed to the inner end of the front frame core-pulling seat 13, and the upper template 4 is fixedly connected with a front frame driving rod 14 that is inclined and has its bottom inserted into the front frame core-pulling seat 13. When the upper template moves upward, it can drive the inclined front frame driving rod to move vertically upward. The vertical upward movement of the front frame driving rod can drive the front frame core-pulling seat 13 to translate in a direction away from the front frame forming cavity, so that the front frame rotating slot forming rod 11 can be pulled out from the front frame rotating joint forming groove 10 to realize automatic core pulling.

[0032] Preferably, the front frame body rotation slot forming rod 11 is also provided with a plurality of reinforcing rib forming grooves 15 along the circumferential direction. The plurality of reinforcing rib forming grooves 15 can form a plurality of reinforcing ribs in the front frame body rotation slot, thereby improving the strength of the front frame body rotation joint.

[0033] Specifically, the rear frame rotating joint core-pulling forming structure 9 includes a rear frame joint main body forming groove 16 and a rear frame joint connection part forming groove 17 connected to the rear frame forming cavity 7, the cross-sections of the rear frame joint main body forming groove 16 and the rear frame joint connection part forming groove 17 are circular, and the upper and lower parts of the rear frame joint main body forming groove 16 and the rear frame joint connection part forming groove 17 are respectively arranged on the upper template 4 and the lower template 5, and also includes a rear frame joint groove forming rod 18 inserted from the outside to the inside into the rear frame joint main body forming groove 16 and a rear frame external core-pulling component connected to the rear frame joint groove forming rod 18. The inner end of the rear frame joint slot forming rod 18 is protrudingly provided with a rear frame joint slot forming rod 19 inserted into the rear frame joint connection part forming groove 17, and also includes a rear frame joint connection hole forming rod 20 inserted into the rear frame joint connection part forming groove 17 from the inside to the outside, and a rear frame body core pulling assembly connected to the rear frame joint connection hole forming rod 20, and a connection part spring claw forming structure is also provided between the rear frame joint slot forming rod 19 and the rear frame joint connection hole forming rod 20, and the cross-sections of the rear frame joint slot forming rod 19 and the rear frame joint connection hole forming rod 20 are both circular and have the same outer diameter. The rear frame joint body molding groove 16 and the rear frame joint connecting part molding groove 17 can mold the rear frame joint body and the rear frame joint connecting part on the rear frame during the injection molding of the rear frame, and the rear frame joint connecting part can be inserted into the front frame rotating slot on the front frame rotating joint, the rear frame joint groove molding rod 18 can mold a rear frame joint groove at the bottom of the rear frame joint body, the rear frame joint slot molding rod can mold a rear frame joint slot connected to the rear frame joint groove in the rear frame joint connecting part, the rear frame joint connection hole molding rod 20 can mold a rear frame joint connection hole set through at the top of the rear frame joint connecting part, the rear frame joint slot molding rod 19 and the rear The spring claw forming structure of the connection part between the frame joint connecting hole forming rod 20 can form a spring claw structure at the rear frame joint connecting hole. When the rear frame joint connecting part is inserted into the front frame rotating slot, the clothes drying rack hook can be inserted from the front frame hook mounting hole, and pass through the front frame rotating slot and the rear frame joint connecting hole to be inserted into the rear frame joint slot. The spring claw structure formed at the rear frame joint connecting hole can fix the inner end of the clothes drying rack hook. When opening the mold, the rear frame joint slot forming rod 18 and the rear frame joint connecting hole forming rod 20 are respectively driven to translate in the direction away from the rear frame forming cavity by the core pulling assembly outside the rear frame body and the core pulling assembly inside the rear frame body, thereby realizing automatic core pulling.

[0034] Specifically, the rear frame external core pulling assembly includes a rear frame external core pulling seat 21 that is slidably matched with the lower template 5, the rear frame body joint groove forming rod 18 is fixed to the inner end of the rear frame external core pulling seat 21, and the upper template 4 is also obliquely fixed with a rear frame external driving rod 22 inserted into the rear frame external core pulling seat 21. When the upper template moves upward, it can drive the inclined rear frame external driving rod to move vertically upward. The vertical upward movement of the rear frame external driving rod can drive the rear frame external core pulling seat 21 and the rear frame body joint groove forming rod 18 to move in a direction away from the rear frame body forming cavity, thereby realizing automatic core pulling.

[0035] Specifically, the rear frame body core-pulling assembly includes a rear frame body core-pulling seat 23 that is slidably matched with the lower template 5, the rear frame body joint connection hole forming rod 20 is fixed at the inner end of the rear frame body core-pulling seat 23, and the upper template 4 is also obliquely fixed with a rear frame body driving rod 24 that is inserted into the rear frame body core-pulling seat 23. When the upper template moves upward, it can drive the inclined rear frame body driving rod to move vertically upward. The vertical upward movement of the rear frame body driving rod can drive the rear frame body core-pulling seat and the rear frame body joint connection hole forming rod 20 to move in a direction away from the rear frame body forming cavity, thereby realizing automatic core pulling.

[0036] Specifically, a bowl-shaped spring claw forming groove 25 is recessed inwardly on the inner end surface of the rear frame joint slot forming rod 19, and a plurality of spring claw partitioning blocks 26 are protrudingly provided in the spring claw forming groove 25 and arranged along the circumferential direction, and the inner end of the rear frame joint connection hole forming rod 20 and the spring claw partitioning block 26 abut against each other. When the inner end of the rear frame joint connection hole forming rod 20 and the spring claw partitioning block 26 on the spring claw forming groove 25 abut against each other, a spring claw can be formed by injection molding in the gap between the spring claw partitioning block 26 and the spring claw partitioning block 26, and a plurality of spring claws can be combined into a spring claw structure for fixing the inner end of the clothes drying rack hook, without the need for further processing at a later stage, thus reducing the production process and improving the production efficiency.

[0037] Preferably, a positioning block forming groove 27 and a limiting block forming groove 28 are further provided in the rear frame joint main body forming groove 16. The positioning block forming groove 27 can form a positioning block on the outer circumferential surface of the rear frame joint main body. When the front frame rotates to abut against the positioning block, the front frame and the rear frame are perpendicular, and the folding clothes drying rack main body is in an unfolded state. The limiting block forming groove 28 can form a limiting block on the outer circumferential surface of the rear frame joint main body. Two limiting block forming grooves 28 are provided. The limiting blocks can limit the front frame when the front frame and the rear frame are perpendicular or parallel, so that the folding clothes drying rack main body can maintain this posture in the unfolded state and the closed state.

[0038] Preferably, the front frame core-pulling seat 13 and the front frame rotating slot forming rod 11 are integrally formed, and the rear frame outer core-pulling seat 21, the rear frame joint slot forming rod 18 and the rear frame joint slot forming rod 19 are integrally formed.

[0039] The working principle of the utility model is as follows: the front frame molding cavity 6 and the rear frame molding cavity 7 in the utility model can be injection molded to form the front frame 2 and the rear frame 3 constituting the main body of the folding clothes drying rack, and the front frame rotating joint core-pulling molding structure 8 and the rear frame rotating joint core-pulling molding structure 9 can form a splicing structure of the front frame and the rear frame when the front frame and the rear frame are injection molded to form the main body of the folding clothes drying rack and can automatically pull the core when the mold is opened, without the need for post-processing, thereby reducing the production process;

[0040] The front frame body rotating joint forming groove 10 can form a front frame body rotating joint for splicing into the main body of the folding clothes drying rack on the front frame body during the injection molding of the front frame body, the front frame body rotating slot forming rod 11 can form a front frame body rotating slot on the front frame body rotating joint, and the front frame body hook installation hole forming rod can form a front frame body hook installation hole that penetrates the front frame body rotating joint on the front frame body rotating joint. When the mold is opened, the front frame body rotating slot forming rod 11 can be pulled out of the front frame body rotating joint forming groove 10 through the front frame body core pulling assembly to realize automatic core pulling. When the upper template moves upward, it can drive the inclined front frame body driving rod to move vertically upward. The vertical upward movement of the front frame body driving rod can drive the front frame body core pulling seat 13 to move in a direction away from the front frame body molding cavity, so that the front frame body rotating slot forming rod 11 can be pulled out of the front frame body rotating joint forming groove 10 to realize automatic core pulling, and a plurality of reinforcing rib forming grooves 15 can form a plurality of reinforcing ribs in the front frame body rotating slot, so as to improve the strength of the front frame body rotating joint;

[0041] The rear frame joint body forming groove 16 and the rear frame joint connection part forming groove 17 can form the rear frame joint body and the rear frame joint connection part on the rear frame during the injection molding of the rear frame, and the rear frame joint connection part can be inserted into the front frame rotation slot on the front frame rotation joint, and the rear frame joint groove forming rod 18 can form a rear frame joint groove at the bottom of the rear frame joint body, and the rear frame joint slot forming rod can form a rear frame joint slot connected to the rear frame joint groove in the rear frame joint connection part, and the rear frame joint connection hole forming rod 20 can be formed at the rear frame connection A rear frame joint connection hole is formed on the top of the head connection part, and a connection claw forming structure between the rear frame joint slot forming rod 19 and the rear frame joint connection hole forming rod 20 can form a claw structure at the rear frame joint connection hole. When the rear frame joint connection part is inserted into the front frame rotation slot, the clothes drying rack hook can be inserted from the front frame hook installation hole, and pass through the front frame rotation slot and the rear frame joint connection hole into the rear frame joint slot. The claw structure formed at the rear frame joint connection hole can fix the inner end of the clothes drying rack hook. When the mold is opened, the rear frame external core pulling assembly and the rear frame internal core pulling assembly respectively drive the rear frame joint groove forming rod 18 and the rear frame joint connection hole forming rod 20 to move in a direction away from the rear frame forming cavity to achieve automatic core pulling. When the upper template moves upward, it can drive the inclined rear frame external driving rod to move vertically upward. The vertical upward movement of the rear frame external driving rod can drive the rear frame external core pulling seat 21 and the rear frame joint groove forming rod 18 to move in a direction away from the rear frame forming cavity to achieve automatic core pulling. When the upper template moves upward, it can drive the inclined rear frame internal driving rod The rod moves vertically upward, and the driving rod in the rear frame body moves vertically upward, which can drive the core-pulling seat in the rear frame body and the rear frame body joint connection hole forming rod 20 to move in a direction away from the rear frame body forming cavity, thereby realizing automatic core pulling. When the inner end of the rear frame body joint connection hole forming rod 20 and the spring claw partition block 26 on the spring claw forming groove 25 abut against each other, the gap between the spring claw partition block 26 and the spring claw partition block 26 can be injection-molded to form a spring claw. Several spring claws can be combined into a spring claw structure for fixing the inner end of the clothes drying rack hook, without the need for subsequent processing, reducing the production process and improving production efficiency.

[0042] The positioning block forming groove 27 can form a positioning block on the outer circumferential surface of the rear frame joint body. When the front frame rotates to abut against the positioning block, the front frame and the rear frame are perpendicular, and the folding clothes drying rack body is in an unfolded state. The limit block forming groove 28 can form a limit block on the outer circumferential surface of the rear frame joint body. Two limit block forming grooves 28 are provided. The limit block can limit the front frame when the front frame and the rear frame are perpendicular or parallel, so that the folding clothes drying rack body can maintain this posture in the unfolded state and the closed state.

[0043] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0044] Although this article uses more folding clothes drying rack body 1, front frame 2, rear frame 3, upper template 4, lower template 5, front frame molding cavity 6, rear frame molding cavity 7, front frame rotating joint core-pulling molding structure 8, rear frame rotating joint core-pulling molding structure 9, front frame rotating joint molding groove 10, front frame rotating slot molding rod 11, front frame hook mounting hole molding rod 12, front frame core-pulling seat 13, front frame driving rod 14, reinforcing rib molding groove 15, rear frame joint main body molding groove 16, rear frame joint connection part molding Groove 17, rear frame joint groove forming rod 18, rear frame joint slot forming rod 19, rear frame joint connecting hole forming rod 20, rear frame body outer core pulling seat 21, rear frame body outer driving rod 22, rear frame body inner core pulling seat 23, rear frame body inner driving rod 24, spring claw forming groove 25, spring claw dividing block 26, positioning block forming groove 27, limit block forming groove 28, etc., these terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. An injection molding mold for a foldable outdoor clothes drying rack with a slider core pulling mechanism, used for injection molding a front frame (2) and a rear frame (3) constituting a main body (1) of the foldable clothes drying rack, characterized in that: It comprises an upper template (4) and a lower template (5), wherein a front frame forming cavity (6) and a rear frame forming cavity (7) are arranged between the upper template (4) and the lower template (5), and a front frame rotating joint core-pulling forming structure (8) and a rear frame rotating joint core-pulling forming structure (9) are also arranged between the upper template (4) and the lower template (5).

2. The injection molding mold of the foldable outdoor clothes drying rack with a slider core pulling mechanism according to claim 1, characterized in that: The front frame rotating joint core-pulling forming structure (8) comprises a front frame rotating joint forming groove (10) connected to the front frame forming cavity (6); the cross section of the front frame rotating joint forming groove (10) is circular and the upper and lower parts of the front frame rotating joint forming groove (10) are respectively arranged on the upper template (4) and the lower template (5); it also comprises a front frame rotating slot forming rod (11) horizontally inserted into the front frame rotating joint forming groove (10) from the outside to the inside and a front frame core-pulling assembly connected to the front frame rotating slot forming rod (11); the inner end of the front frame rotating slot forming rod (11) is also protrudingly provided with a front frame hook mounting hole forming rod (12); the front frame rotating slot forming rod (11) and the front frame hook mounting hole forming rod (12) are both cylindrical.

3. The injection molding mold for the foldable outdoor clothes drying rack with a slider core pulling mechanism according to claim 2, characterized in that: The front frame core pulling assembly includes a front frame core pulling seat (13) that is slidably matched with the lower template (5), the front frame rotating slot forming rod (11) is fixed to the inner end of the front frame core pulling seat (13), and the upper template (4) is fixedly connected with a front frame driving rod (14) that is inclined and has its bottom inserted into the front frame core pulling seat (13).

4. The injection molding mold for the foldable outdoor clothes drying rack with a slider core pulling mechanism according to claim 3, characterized in that: The front frame body rotating slot forming rod (11) is also provided with a plurality of reinforcing rib forming grooves (15) along the circumferential direction.

5. The injection molding mold for the foldable outdoor clothes drying rack with a slider core pulling mechanism according to claim 3, characterized in that: The rear frame rotating joint core-pulling forming structure (9) comprises a rear frame joint main body forming groove (16) and a rear frame joint connection part forming groove (17) connected to the rear frame forming cavity (7); the rear frame joint main body forming groove (16) and the rear frame joint connection part forming groove (17) have circular cross-sections, and the upper and lower parts of the rear frame joint main body forming groove (16) and the rear frame joint connection part forming groove (17) are respectively arranged on the upper template (4) and the lower template (5); and further comprises a rear frame joint groove forming rod (18) inserted from the outside to the inside into the rear frame joint main body forming groove (16) and a rear frame external core-pulling assembly connected to the rear frame joint groove forming rod (18). The rear frame body joint slot forming rod (18) is provided with a rear frame body joint slot forming rod (19) protruding from the inner end thereof and inserted into the rear frame body joint connection part forming groove (17), and further comprising a rear frame body joint connection hole forming rod (20) inserted into the rear frame body joint connection part forming groove (17) from the inside to the outside, and a rear frame body inner core pulling component connected to the rear frame body joint connection hole forming rod (20), a connection part spring claw forming structure is also provided between the rear frame body joint slot forming rod (19) and the rear frame body joint connection hole forming rod (20), and the cross-sections of the rear frame body joint slot forming rod (19) and the rear frame body joint connection hole forming rod (20) are both circular and have the same outer diameter.

6. The injection molding mold for the foldable outdoor clothes drying rack with a slider core pulling mechanism according to claim 5, characterized in that: The rear frame external core pulling assembly comprises a rear frame external core pulling seat (21) which is slidably matched with the lower template (5), the rear frame body joint groove forming rod (18) is fixed to the inner end of the rear frame external core pulling seat (21), and the upper template (4) is also obliquely fixed with a rear frame external driving rod (22) which is inserted into the rear frame external core pulling seat (21).

7. The injection molding mold for the foldable outdoor clothes drying rack with a slider core pulling mechanism according to claim 5, characterized in that: The core pulling assembly in the rear frame body includes a core pulling seat (23) in the rear frame body that is slidably matched with the lower template (5), the rear frame body joint connection hole forming rod (20) is fixed to the inner end of the core pulling seat (23) in the rear frame body, and the upper template (4) is also obliquely fixed with a rear frame body driving rod (24) that is inserted into the core pulling seat (23) in the rear frame body.

8. The injection molding mold for the foldable outdoor clothes drying rack with a slider core pulling mechanism according to claim 5, characterized in that: A bowl-shaped spring claw forming groove (25) is recessed inwardly on the inner end surface of the rear frame joint slot forming rod (19), and a plurality of spring claw dividing blocks (26) arranged along the circumferential direction are protruded in the spring claw forming groove (25), and the inner end of the rear frame joint connection hole forming rod (20) and the spring claw dividing block (26) are abutted against each other.

9. The injection molding mold for the foldable outdoor clothes drying rack with a slider core pulling mechanism according to claim 6, characterized in that: A positioning block forming groove (27) and a limiting block forming groove (28) are also provided in the rear frame joint main body forming groove (16).

10. The injection molding mold for the foldable outdoor clothes drying rack with a slider core pulling mechanism according to claim 6, characterized in that: The front frame core-pulling seat (13) and the front frame rotating slot forming rod (11) are integrally formed, and the rear frame outer core-pulling seat (21), the rear frame joint slot forming rod (18) and the rear frame joint slot forming rod (19) are integrally formed.

Citation Information

Patent Citations

  • Vertical one-mode multi-cavity hanger mold release mechanism

    CN104369324B