Insert replacement type injection mold for rotary positioning disc of safety seat
By designing an insert replacement injection mold for a child safety seat rotating positioning disc, and utilizing the replacement structure and drive components to achieve rapid replacement of the inserts, the problems of high mold production costs and inconvenient replacement are solved, thereby improving production efficiency.
Patent Information
- Application Number
- CN202423167764.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing technologies for producing rotating positioning discs for safety seats with different hole positions result in high mold production costs and inconvenient replacement of inserts.
Design a replaceable injection mold for a rotating positioning disc of a car seat. The mold uses a replaceable structure and drive assembly to achieve rapid replacement of the mold inserts by sliding and rotating the inserts. It includes a sliding shaft, a first drive assembly and a second drive assembly. The sliding and rotation of the inserts are achieved by the meshing connection of bevel gears and threaded rods.
It reduces the production cost of molds with different hole positions or patterns, simplifies the replacement process of mold inserts, and improves production efficiency.
Smart Images
Figure CN223573686U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of injection mold technology, and in particular to an insert replacement injection mold for a car seat rotating positioning disc. Background Technology
[0002] An injection mold is a tool used in the injection molding process. The mold has one or more cavities whose shape matches the shape of the plastic product to be manufactured (such as a car seat swivel mount). In the injection molding of a car seat swivel mount, inserts are an important component of the mold. Inserts are small parts that are fitted into the mold cavities. (See reference...) Figure 6 Functionally, when there are special structures on the rotary positioning 6, such as small holes, grooves or complex patterns, these parts are difficult to form using a whole mold, the insert comes into play.
[0003] In the same factory, the rotating positioning disc 6 of different models of safety seats often has the same external structure, but there may be some areas with different hole positions. The existing technology usually produces multiple molds that can form products with different hole positions, but this method greatly increases the production cost of the molds. There is also a method of forming products with different hole positions by replacing the inserts; however, replacing the inserts often requires disassembling the mold, which makes the inserts inconvenient. Utility Model Content
[0004] To facilitate the replacement of inserts in a rotating positioning disc mold, this application provides an injection mold for replacing inserts in a child safety seat rotating positioning disc.
[0005] The technical solution provided in this application for a replaceable insert injection mold for a child safety seat rotating positioning disc is as follows:
[0006] A replaceable insert injection mold for a rotating positioning disc of a child safety seat includes a core plate with a rotating positioning disc forming surface, several inserts, and a replacement structure. The core plate has mating grooves that can respectively mate with the several inserts. The replacement structure is used to replace the inserts in the mating grooves. The replacement structure includes a sliding shaft, a first driving assembly, and a second driving assembly. The several inserts are respectively disposed on the circumferential side of the sliding shaft. The sliding shaft is slidably connected to the core plate along the depth direction of the mating groove, and the sliding shaft is rotatably connected to the core plate along the depth direction perpendicular to the mating groove. The first driving assembly is used to drive the sliding shaft to slide. When the first driving assembly drives the sliding shaft until any insert is completely disengaged from the mating groove, the second driving assembly can drive the sliding shaft to rotate.
[0007] By adopting the above technical solution, the sliding shaft is driven by the first driving component to slide, so that the inserts on the sliding shaft slide to engage with or disengage from the mating groove. When the first driving component drives the sliding shaft until any insert completely disengages from the mating groove, the sliding shaft is driven to rotate by the second driving component, so that different inserts on the circumferential side of the sliding shaft rotate to face the mating groove. Then, the sliding shaft slides towards the mating groove side by the first driving component until different inserts engage with the mating groove, thus completing the replacement of mold inserts. This reduces the production cost of molds with different hole positions or patterns for the same product and facilitates the replacement of mold inserts on the rotating positioning plate.
[0008] Preferably, the first drive assembly includes a threaded rod and a rotating rod. One end of the sliding shaft is rotatably connected to a sliding block. The threaded rod is rotatably connected to the core plate along the sliding direction of the sliding shaft, and the threaded rod passes through and is threadedly connected to the sliding block. The rotating rod is rotatably connected to the core plate. The rotating rod and the threaded rod are respectively provided with bevel gears, and the two bevel gears are meshed with each other.
[0009] By adopting the above technical solution, rotating the rotating rod causes the bevel gear coaxial with the rotating rod to rotate. Through the meshing connection of the two bevel gears, another bevel gear and the threaded rod rotate together. Through the threaded connection between the threaded rod and the sliding block, the sliding block and the sliding shaft on the sliding block move together, causing the insert on the sliding shaft to slide to engage with or disengage from the mating groove.
[0010] Preferably, the end of the rotating rod away from the bevel gear passes through the core plate to the outside, and the end of the rotating rod away from the bevel gear is slidably connected to a first knob. The first knob is provided with a limiting block, and the core plate is provided with a limiting groove. When the first knob slides toward the core plate until the limiting block and the limiting groove are engaged, the first knob cannot be rotated.
[0011] By adopting the above technical solution, force is applied to the first knob to rotate the rotating rod, which facilitates the rotation of the rotating rod. By setting a limiting block and a limiting groove, when the first knob slides towards the core plate until the limiting block and the limiting groove are engaged, the rotation of the first knob is limited, thereby limiting the rotation of the rotating rod. This reduces the possibility that the rotation of the first knob will cause the insert to move when it engages with the mating groove, which may affect the size of the molded product.
[0012] Preferably, the second driving component includes a force-applying shaft, which is coaxially and fixedly connected to the sliding shaft. One end of the force-applying shaft away from the sliding shaft passes through the core plate to the outside, and the other end of the force-applying shaft away from the sliding shaft is slidably connected to the core plate along the sliding direction of the sliding shaft.
[0013] By adopting the above technical solution, by rotating the force-applying shaft, the sliding shaft coaxial with the force-applying shaft will rotate together, so as to make different inserts face the mating groove. Furthermore, by observing the end of the force-applying shaft located on the outside, the position of the sliding shaft inside the core plate can be observed.
[0014] Preferably, a second knob is provided at the end of the force-applying shaft away from the sliding shaft. The second knob is provided with a plurality of indicator marks, each of which corresponds to a plurality of inserts. When the second knob is rotated to the point where any indicator mark faces the molding surface, the corresponding insert moves to face the mating groove.
[0015] By adopting the above technical solution, by applying force to the second knob, the force-applying shaft is rotated, thereby facilitating the rotation of the sliding shaft. Furthermore, an indicator mark is set on the second knob, and by observing the indicator mark, the orientation and position of several inserts within the core plate can be determined.
[0016] Preferably, the circumferential side of the sliding shaft is provided with a plurality of mounting surfaces, the plurality of mounting surfaces are evenly distributed along the axial side of the sliding shaft, the plurality of inserts correspond to the plurality of mounting surfaces, and the plurality of inserts are detachably connected to the corresponding mounting surfaces.
[0017] By adopting the above technical solution, and by making several inserts detachably connected to the corresponding mounting surfaces, the inserts can be replaced after they wear out.
[0018] The main technical effects of this utility model are reflected in the following aspects:
[0019] 1. This utility model, by setting a replacement structure, drives the sliding shaft to slide through the first driving component, so that the inserts on the sliding shaft slide to engage with or disengage from the mating groove. When the first driving component drives the sliding shaft until any insert completely disengages from the mating groove, the second driving component drives the sliding shaft to rotate, so that different inserts on the circumferential side of the sliding shaft rotate to face the mating groove. Then, the sliding shaft slides towards the mating groove through the first driving component until different inserts engage with the mating groove, thus completing the replacement of the mold inserts. This reduces the production cost of molds with different hole positions or patterns for the same product and facilitates the replacement of mold inserts.
[0020] 2. This utility model sets up a first driving member, rotates the rotating rod, and causes the bevel gear coaxial with the rotating rod to rotate. Through the meshing connection of the two bevel gears, another bevel gear and the threaded rod rotate together. Through the threaded connection between the threaded rod and the sliding block, the sliding block and the sliding shaft on the sliding block move together, and the insert on the sliding shaft slides to engage with or disengage from the mating groove.
[0021] 3. By setting a second driving member, the present invention rotates the force-applying shaft, causing the sliding shaft coaxial with the force-applying shaft to rotate together, so as to make different inserts face the mating groove. Furthermore, by observing the end of the force-applying shaft located on the outside, the position of the sliding shaft inside the core plate can be observed. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application.
[0023] Figure 2 This is a schematic diagram of the core board structure according to an embodiment of this application.
[0024] Figure 3 It is along Figure 2 Enlarged view of point A in the middle.
[0025] Figure 4 This is a schematic diagram of the alternative structure in the embodiments of this application.
[0026] Figure 5 This is a schematic diagram of the sliding shaft structure according to an embodiment of this application.
[0027] Figure 6 This is a schematic diagram of the rotating positioning disc structure of a child safety seat according to an embodiment of this application.
[0028] Explanation of reference numerals in the attached drawings: 1. Core plate; 11. Mating groove; 12. Limiting groove; 2. Insert; 3. Replacement structure; 31. Sliding shaft; 32. Sliding block; 33. Mounting surface; 4. First drive assembly; 41. Threaded rod; 42. Rotating rod; 43. Bevel gear; 44. First knob; 45. Limiting block; 5. Second drive assembly; 51. Force-applying shaft; 52. Second knob; 53. Indicator mark; 6. Rotary positioning plate. Detailed Implementation
[0029] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail to make the technical solution of this application easier to understand and master.
[0030] This application discloses an insert replacement injection mold for a child safety seat rotating positioning disc.
[0031] Reference Figures 1-3This embodiment of a car seat rotating positioning disc insert replacement injection mold includes a core plate 1 with a rotating positioning disc 6 forming surface, a plurality of inserts 2, and a replacement structure 3. The core plate 1 has mating grooves 11 that can respectively mate with the plurality of inserts 2. The replacement structure 3 is used to replace the inserts 2 in the mating grooves 11. The replacement structure 3 includes a sliding shaft 31, a first drive assembly 4, and a second drive assembly 5. The plurality of inserts 2 are respectively disposed on the circumferential side of the sliding shaft 31. The sliding shaft 31 is slidably connected to the core plate 1 along the depth direction of the mating grooves 11, and the sliding shaft 31 is rotatably connected to the core plate 1 along the depth direction perpendicular to the mating grooves 11. The first drive assembly 4 is used to drive the sliding shaft 31 to slide. When the first drive assembly 4 drives the sliding shaft 31 until any insert 2 is completely disengaged from the mating grooves 11, the second drive assembly 5 can drive the sliding shaft 31 to rotate.
[0032] Reference Figures 1-3 The sliding shaft is driven by the first drive assembly 4 to slide, so that the insert 2 on the sliding shaft slides to engage with or disengage from the mating groove 11. When the first drive assembly 4 drives the sliding shaft 31 until any insert 2 completely disengages from the mating groove 11, the sliding shaft is driven to rotate by the second drive assembly 5, so that different inserts 2 on the circumferential side of the sliding shaft rotate to face the mating groove 11. Then, the sliding shaft slides towards the mating groove 11 by the first drive assembly 4 until different inserts 2 engage with the mating groove 11, thus completing the replacement of the mold insert 2. This reduces the production cost of molds with different hole positions or patterns for the same product and facilitates the replacement of the mold insert 2 by rotating the positioning plate 6.
[0033] Reference Figure 3 and Figure 4 The first drive assembly 4 includes a threaded rod 41 and a rotating rod 42. One end of the sliding shaft 31 is rotatably connected to a sliding block 32. The threaded rod 41 is rotatably connected to the core plate 1 along the sliding direction of the sliding shaft 31, and the threaded rod 41 passes through and is threadedly connected to the sliding block 32. The rotating rod 42 is rotatably connected to the core plate 1. The rotating rod 42 and the threaded rod 41 are respectively provided with bevel gears 43, and the two bevel gears 43 are meshed with each other. Rotating the rotating rod 42 causes the bevel gear 43 coaxial with the rotating rod 42 to rotate. Through the meshing connection of the two bevel gears 43, the other bevel gear 43 and the threaded rod 41 rotate together. Through the threaded connection between the threaded rod 41 and the sliding block 32, the sliding block 32 and the sliding shaft 31 on the sliding block 32 move together, causing the insert 2 on the sliding shaft to slide to engage with or disengage from the mating groove 11.
[0034] Reference Figure 2 and Figure 3The end of the rotating rod 42 away from the bevel gear 43 passes through the core plate 1 to the outside. The end of the rotating rod 42 located to the outside is polygonal, and the end of the rotating rod 42 away from the bevel gear 43 is slidably connected to a first knob 44. A limit block 45 is coaxially and fixedly connected to the first knob 44. A limit groove 12 that can cooperate with the limit block 45 is provided on the core plate 1. When the first knob 44 slides toward the core plate 1 until the limit block 45 cooperates with the limit groove 12, the first knob 44 cannot rotate. Applying force to the first knob 44 causes the rotating rod 42 to rotate, facilitating the rotation of the rotating rod 42. By setting a limiting block 45 and a limiting groove 12, when the first knob 44 slides towards the core plate 1 until the limiting block 45 engages with the limiting groove 12, the rotation of the first knob 44 is limited, thereby limiting the rotation of the rotating rod 42. This reduces the possibility that the rotation of the first knob 44 will cause the insert 2 to move when it engages with the mating groove 11, thus affecting the size of the molded product.
[0035] Reference Figure 3 and Figure 4 The second drive assembly 5 includes a force-applying shaft 51, through which a sliding block 32 passes. The force-applying shaft 51 is coaxial with and fixedly connected to the sliding shaft. One end of the force-applying shaft 51, away from the sliding shaft, passes through the core plate 1 to the outside, while the other end of the force-applying shaft 51, away from the sliding shaft, is slidably connected to the core plate 1 along the sliding direction of the sliding shaft. By rotating the force-applying shaft 51, the sliding shaft, which is coaxial with the force-applying shaft 51, rotates together, thereby aligning different inserts 2 with the mating groove 11. By observing the end of the force-applying shaft 51 located to the outside, the position of the sliding shaft within the core plate 1 can be observed.
[0036] Reference Figure 3 and Figure 4 A second knob 52 is fixedly connected to the end of the force-applying shaft 51 away from the sliding shaft. Several indicator marks 53 are fixedly connected to the second knob 52, and each indicator mark 53 corresponds to a number of inserts 2. When the second knob 52 is rotated until any indicator mark 53 faces the molding surface, the corresponding insert 2 moves to face the mating groove 11. By applying force to the second knob 52, the force-applying shaft 51 is rotated, thereby facilitating the rotation of the sliding shaft. The indicator marks 53 on the second knob 52 allow the orientation and position of the inserts 2 within the core plate 1 to be determined by observing the indicator marks 53.
[0037] Reference Figure 3 and Figure 4The sliding shaft has several mounting surfaces 33 on its circumferential side, which are evenly distributed along the axial side of the sliding shaft. Several inserts 2 correspond to the mounting surfaces 33, and are detachably connected to their respective mounting surfaces 33 by bolts threaded onto the sliding shaft to fix them in place. This detachable connection of the inserts 2 to their respective mounting surfaces 33 allows them to be replaced after wear.
[0038] Of course, the above are just typical examples of this application. In addition, this application may have many other specific implementation methods. All technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of protection claimed in this application.
Claims
1. A replacement insert injection mold for a safety seat swivel positioning disc, characterized by: The utility model provides a core plate (1) with a rotating positioning disc (6) forming surface, a plurality of inserts (2) and a replacement structure (3), the core plate (1) is provided with a plurality of matching grooves (11) that can match the plurality of inserts (2) respectively, the replacement structure (3) is used for replacing the insert (2) in the matching groove (11), the replacement structure (3) includes a sliding shaft (31), a first drive assembly (4) and a second drive assembly (5), the plurality of inserts (2) are arranged on the circumferential side of the sliding shaft (31) respectively, the sliding shaft (31) is slidably connected in the core plate (1) along the depth direction of the matching groove (11), and the sliding shaft (31) is rotatably connected in the core plate (1) along the depth direction perpendicular to the matching groove (11), the first drive assembly (4) is used for driving the sliding of the sliding shaft (31), when the first drive assembly (4) drives the sliding shaft (31) to any insert (2) and completely separates from the matching groove (11), the second drive assembly (5) can drive the rotation of the sliding shaft (31).
2. The insert replacement injection mold for a safety seat rotary positioner as defined in claim 1, wherein: The first drive assembly (4) includes a threaded rod (41) and a rotating rod (42), one end of the sliding shaft (31) is rotatably connected with a sliding block (32), the threaded rod (41) is rotatably connected in the core plate (1) along the sliding direction of the sliding shaft (31), and the threaded rod (41) is threadedly connected on the sliding block (32), the rotating rod (42) is rotatably connected on the core plate (1), the rotating rod (42) and the threaded rod (41) are respectively provided with bevel gears (43), and the two bevel gears (43) are meshingly connected.
3. The insert replacement injection mold for a safety seat rotary positioner as defined in claim 2, wherein: The end of the rotating rod (42) away from the bevel gear (43) penetrates the core plate (1) to the outside, and the end of the rotating rod (42) away from the bevel gear (43) is slidably connected with a first knob (44), the first knob (44) is provided with a limiting block (45), the core plate (1) is provided with a limiting groove (12), when the first knob (44) slides to the side of the core plate (1) to the limiting block (45) and the limiting groove (12) are matched, the first knob (44) cannot rotate.
4. The insert replacement injection mold for a safety seat rotary positioner as defined in claim 2, wherein: The second drive assembly (5) includes a force applying shaft (51), the force applying shaft (51) is coaxially and fixedly connected on the sliding shaft, the end of the force applying shaft (51) away from the sliding shaft penetrates the core plate (1) to the outside, and the end of the force applying shaft (51) away from the sliding shaft is slidably connected on the core plate (1) along the sliding direction of the sliding shaft.
5. The insert replacement injection mold for a safety seat rotary positioner as defined in claim 4, wherein: The end of the force applying shaft (51) away from the sliding shaft is provided with a second knob (52), the second knob (52) is provided with a plurality of indication marks (53), the plurality of indication marks (53) correspond to the plurality of inserts (2) respectively, when the second knob (52) rotates to any indication mark (53) and faces the forming surface side, the corresponding insert (2) moves to opposite the matching groove (11).
6. The insert replacement injection mold for a safety seat swivel positioning disc of claim 5, wherein: The circumferential side of the sliding shaft is respectively provided with a plurality of installation surfaces (33), the plurality of installation surfaces (33) are uniformly distributed along the axis side of the sliding shaft, a plurality of the inserts (2) respectively correspond to the plurality of installation surfaces (33), and the plurality of the inserts (2) are respectively detachably connected to the corresponding installation surfaces (33).