Product injection mold with busbar insert

Abstract

The utility model provides a product injection mold with a busbar insert, which comprises a front mold, a front mold core, a rear mold, an inclined jack forming component, a barb forming component and at least one group of lateral forming components, an insert mounting part is arranged on the side surface of a forming block of each lateral forming component, which faces an injection molding cavity, and the forming block can move outwards along with a main sliding block; the installation space of the busbar insert is increased, and the installation of the busbar insert is facilitated; the inclined inserting insert is matched with the forming block to form an inclined inserting hole; a barb forming convex part of the barb forming block is matched with the forming block to be used for forming a barb piece, the barb forming block can be driven to move backwards firstly during demolding through matching of the secondary sliding block and the barb forming block, so that the barb forming convex part is separated from the barb piece backwards, and then the secondary sliding block and the barb forming block move outwards along with the main sliding block to complete core pulling; and forming and lossless demolding of the barb piece are achieved.

Description

Technical Field

[0001] This utility model relates to the field of injection molds, specifically to a product injection mold with a female insert. Background Technology

[0002] Injection molds are tools used to produce plastic products; they are also tools that give plastic products a complete structure and precise dimensions. Injection molding is a processing method used to mass-produce certain complex-shaped parts. Specifically, it refers to injecting heated and molten plastic into the mold cavity under high pressure by an injection molding machine, and obtaining the molded product after cooling and solidification.

[0003] like Figure 1 The product 1 shown has multiple female busbar inserts 2 embedded in it. Additionally, the outer surface of product 1 has angled insertion holes 3 inclined in the height direction and internally hollowed-out barbed parts 4. When injection molding this product 1, the mold must not only accommodate the female busbar inserts 2 but also simultaneously mold the angled insertion holes 3 and the internally hollowed-out barbed parts 4. Currently, no mold can adequately achieve the injection molding of this product. Utility Model Content

[0004] To address the aforementioned problems, this utility model provides a product injection mold with a female insert.

[0005] To achieve the above objectives, the technical solution provided by this utility model is as follows:

[0006] A product injection mold with a female insert includes a front mold, a front mold core mounted on the front mold, a rear mold, and a rear mold core mounted on the rear mold. It further includes an angled insertion forming assembly, a barb forming assembly, and at least one set of side forming assemblies. Each side forming assembly includes a main slider and a forming block. The main slider is laterally slidably mounted on the rear mold, and the forming block is fixed to the main slider. In the mold-closed state, the forming block, the front mold core, and the rear mold core together enclose an injection cavity. An insert mounting portion is formed on the side of the forming block facing the injection cavity. The oblique insertion hole forming assembly includes an oblique insertion driver and an oblique insertion insert. The oblique insertion driver is fixed on the front mold, and the oblique insertion insert is fixed on the oblique insertion driver and extends into the injection cavity by passing through the front mold core and the forming block at an angle inclined to the mold opening and closing direction. The barb forming assembly includes a secondary slider and a barb forming block. The secondary slider is laterally disposed on the main slider, and the barb forming block forms an oblique guide engagement with the secondary slider. The first end of the barb forming block abuts against the side of the main slider, and its second end extends into the injection cavity and extends forward with a barb forming protrusion.

[0007] Furthermore, the lateral forming assembly also includes a side-pull driver, which is fixed to the outside of the rear mold and drives the main slider.

[0008] Further, the lateral forming assembly is provided with multiple groups, and the multiple groups of lateral forming assemblies are distributed on different sides of the rear mold core.

[0009] Further, the oblique insertion hole forming assembly and the barb forming assembly are matched with the forming block of one group of lateral forming assemblies.

[0010] Further, the barb forming assembly further comprises an oblique guide driving member fixed on the front mold and matched with the secondary slider in an oblique guide manner; the opening and closing mold action of the front mold and the rear mold drives the secondary slider to move relative to the primary slider, and further drives the barb forming block to move in the front-rear direction.

[0011] Further, the oblique guide driving member is an oblique guide rod inclined to the opening and closing mold direction, the secondary slider is provided with an inclined guide hole, and the oblique guide rod is arranged in the inclined guide hole of the secondary slider; the primary slider is provided with a space for the oblique guide rod to move.

[0012] Further, the primary slider is provided with an elastic limiting buckle, and the secondary slider is provided with two clamping recesses; when the secondary slider is slid relative to the primary slider to the closed mold position and the demolding position, the elastic limiting buckle is clamped on the two clamping recesses respectively.

[0013] Further, the elastic limiting buckle comprises a fixed seat, a spring and a clamping piece, the fixed seat is fixed on the primary slider and is provided with a containing groove, the spring and the clamping piece are arranged in the containing groove, and the spring applies an elastic force to the clamping piece in the direction of the secondary slider, and the clamping piece is clamped and matched with the clamping recess of the secondary slider.

[0014] Further, the primary slider is fixed with a screw rod, and the fixed seat is screwed and fixed on the screw rod.

[0015] Further, the front mold is further fixed with a limiting block, and in the closed mold state, the limiting block abuts against the outer side of the primary slider and the secondary slider.

[0016] Through the technical scheme provided by the utility model, the following beneficial effects are achieved:

[0017] 1. The lateral forming assembly is additionally arranged, and an insert mounting part is arranged on the side of the forming block facing the injection cavity; the forming block can move outward with the primary slider, the mounting space of the female bus insert is increased, and the installation of the female bus insert is facilitated.

[0018] 2. The cooperation of the oblique insertion insert and the forming block is used for forming an oblique insertion hole; an oblique insertion driver is fixed on the front mold, the oblique insertion driver can drive the oblique insertion insert to be inserted into or pulled out of the injection cavity, the formation and core pulling of the oblique insertion hole are realized, and the structure is simplified.

[0019] 3. The barb forming block and the barb forming protrusion of the barb forming block cooperate to form the barb part, and the cooperation of the secondary slider and the barb forming block can drive the barb forming block to move backward first when demolding, so that the barb forming protrusion is separated from the barb part, and then the secondary slider and the barb forming block are moved out together with the primary slider to complete the core pulling; the barb part is formed and demolded without damage. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 Part of the structure of the product in the background art is shown;

[0021] Figure 2 The appearance of the injection mold of the product with the busbar insert in the embodiment is shown;

[0022] Figure 3 Part of the structure of the injection mold of the product with the busbar insert in the embodiment is shown;

[0023] Figure 4 The structure is shown Figure 3 The front view of the structure is shown;

[0024] Figure 5 The structure is shown Figure 4 The cross-sectional view of line A-A in the middle is shown;

[0025] Figure 6 The structure is shown Figure 4 The cross-sectional view of line B-B in the middle is shown;

[0026] Figure 7 The structure is shown Figure 6 The enlarged view of area C in the middle is shown;

[0027] Figure 8 The structure is shown Figure 6 The enlarged view of area D in the middle is shown;

[0028] Figure 9 The partial structure cooperation of the oblique insertion hole forming assembly, the barb forming assembly and the lateral forming assembly in the embodiment is shown. DETAILED DESCRIPTION

[0029] To further illustrate the embodiments, the utility model provides drawings. These drawings are part of the utility model disclosure, which mainly serves to illustrate the embodiments, and can be combined with the related description of the specification to explain the operation principle of the embodiments. With reference to these contents, those skilled in the art should understand other possible embodiments and the advantages of the utility model. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0030] In the description of the present application, the terms "upper", "lower", "left", "right", "front", "back" and other orientation or position relations are based on the orientation or position relations shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0031] The utility model is further illustrated in conjunction with the drawings and specific embodiments.

[0032] The utility model provides a product injection mold with busbar insert, is used for forming Figure 1 The injection mold shown in the drawing, specifically referring to Figures 2 to 9 The injection mold includes front mold 11, front mold kernel (not shown in the drawing), rear mold 12, rear mold kernel 13, inclined insertion hole forming assembly, barb forming assembly and at least one group of lateral forming assembly 40, the front mold kernel is installed on the front mold 11, and the rear mold kernel 13 is installed on the rear mold 12, the opening and closing mold direction of definition front mold 11 and rear mold 12 is front-back direction, and the direction perpendicular to front-back direction is defined as lateral direction.

[0033] The lateral forming assembly includes main slider 41 and forming block 42, the main slider 41 is assembled on the rear mold 12 and can slide laterally, and the forming block 42 is fixed on the main slider 41, in the mold closing state, the forming block 42, the front mold kernel and the rear mold kernel 13 jointly enclose to form injection cavity 101, the side of the forming block 42 towards injection cavity 101 is formed with insert mounting portion 421, and the insert mounting portion 421 is used to place insert 2 such as busbar insert, the inclined insertion hole forming assembly includes inclined insertion driver 21 and inclined insertion insert 22, the inclined insertion driver 21 is fixed on the front mold 11, the inclined insertion insert 22 is fixed on the inclined insertion driver 21 and sequentially passes through the front mold kernel and the forming block 42 at the angle inclined to the opening and closing mold direction and extends into the injection cavity 101, and the inclined insertion insert 22 extending into the injection cavity 101 is used to form inclined insertion hole 3, the barb forming assembly includes secondary slider 31 and barb forming block 32, the secondary slider 31 is laterally arranged on the main slider 41, the barb forming block 32 is formed with inclined guide cooperation with the secondary slider 31, the first end of the barb forming block 32 abuts against the side of the main slider 41, the second end of the barb forming block 32 extends into the injection cavity 101 and extends forward and has barb forming protrusion 321, and the barb forming protrusion 321 extending into the injection cavity 101 is used to form barb piece 4.

[0034] The working principle of the mold is as follows: in the open mold state, the forming block 42 can move laterally outward to the outer position, so that the installation space of the busbar insert 2 is increased, which is beneficial to the installation of the busbar insert 2; that is, the busbar insert 2 can be more conveniently installed into the insert installation part 421 of the forming block 42; after the insert is placed, the mold is closed, that is, the front mold 11 and the rear mold 12 are closed, the lateral forming assembly 40, the oblique insertion hole forming assembly and the hook forming assembly are all closed in place; after injection molding is completed, the oblique insertion driver 21 drives the oblique insertion insert 22 to retract, thereby completing the core pulling of the oblique insertion hole 3; then, the front mold 11 and the rear mold 12 start to separate, the secondary slider 31 moves laterally outward relative to the primary slider 41 under the action of external force (in this embodiment, the mold opening force of the front mold 11 and the rear mold 12), which synchronously drives the hook forming block 32 to translate backward until the hook forming protrusion 321 is completely separated from the position of the hook piece 4, thereby realizing the core pulling of the hook piece 4; finally, the primary slider 41 drives the forming block 42 and the hook forming assembly to move laterally outward together, thereby completing demolding.

[0035] Further, in this embodiment, the lateral forming assembly 40 further comprises a side pulling driver 43, which is fixed on the outside of the rear mold 12 and is drivingly connected to the primary slider 41; independent control is realized by the added side pulling driver 43, which facilitates precise driving. Specifically, the side pulling driver 43 can adopt a cylinder, a hydraulic cylinder or an electric push rod in the prior art.

[0036] The lateral forming assembly 40 is provided in multiple groups, three groups in this embodiment, which are distributed on different sides of the rear mold core 13 to meet the requirements of insert placement and demolding in different directions. Specifically, since the oblique insertion hole 3 and the hook piece 4 of the product 1 are on the same side, the oblique insertion hole forming assembly and the hook forming assembly are matched with the forming block 42 of one of the lateral forming assemblies 40. Of course, in other embodiments, the number and distribution position of the lateral forming assemblies 40 can be set according to actual conditions.

[0037] The hook forming assembly further comprises a slant guide driving piece 33, which is fixed on the front mold 11 and is in slant guide cooperation with the secondary slider 31; the opening and closing mold actions of the front mold 11 and the rear mold 12 drive the secondary slider 31 to move relative to the primary slider 41, thereby driving the hook forming block 32 to move in the front-rear direction; the closing and core pulling of the hook forming assembly are directly driven by the opening and closing mold actions of the front mold 11 and the rear mold 12, which has good precision control and does not need to use an additional driver for driving, thereby having a simple structure and low cost. Further, the slant guide driving piece 33 is a slant guide rod which is arranged obliquely to the opening and closing mold direction, the secondary slider 31 is provided with an oblique guide hole, and the slant guide rod is arranged in the oblique guide hole of the secondary slider 31; the primary slider 41 is provided with a space for the slant guide rod to move, so that the slant guide rod can move fully without interference.

[0038] Further, the main slider 41 is equipped with an elastic limiting buckle 44, and the secondary slider 31 is provided with two clamping recesses 311; when the secondary slider 31 slides relative to the main slider 41 to the closed-to-position and the open-to-position, the elastic limiting buckle 44 is clamped to the two clamping recesses 311 respectively, that is, when the secondary slider 31 slides relative to the main slider 41 to the closed-to-position, the elastic limiting buckle 44 is clamped to one of the clamping recesses 311, and when the secondary slider 31 slides relative to the main slider 41 to the open-to-position, the elastic limiting buckle 44 is clamped to the other clamping recess 311; thus, precise positioning is achieved, and shaking is unlikely to occur.

[0039] Specifically, the elastic limiting buckle 44 comprises a fixed seat 441, a spring 442 and a clamping piece 443; the fixed seat 441 is fixed to the main slider 41 and is provided with a containing groove, the spring 442 and the clamping piece 443 are assembled in the containing groove, and the spring 442 applies an elastic force to the clamping piece 443 in the direction of the secondary slider 31; the clamping piece 443 is clamped and matched with the clamping recess 311 of the secondary slider 31. When one of the clamping recesses 311 is aligned with the clamping piece 443, the clamping piece 443 is clamped into the clamping recess 311 under the action of the spring 442; when the secondary slider 31 is driven by an external force (in this embodiment, the opening and closing driving force of the front mold 11 and the rear mold 12), the clamping piece 443 is driven to retract and disengage from the current clamping recess 311; the structure is simple and reliable.

[0040] More specifically, the main slider 41 is fixed with a screw rod 45, and the fixed seat 441 is screwed and fixed on the screw rod 45; in this way, the initial position of the elastic limiting buckle 44 can be adjusted by the position of the fixed seat 441 relative to the screw rod 45, and the tightness of the elastic limiting buckle 44 and the secondary slider 31 can be adjusted.

[0041] Further, the front mold 12 is further fixed with a limiting block 14; when in the closed state, the limiting block 14 abuts against the outer side of the main slider 41 and the secondary slider 31, further ensuring that the mold is closed to position.

[0042] Although the utility model is specifically shown and introduced in combination with the preferred embodiments, it should be understood by those skilled in the art that various changes can be made to the utility model in form and details without departing from the spirit and scope of the utility model defined in the appended claims, and all of them are within the protection scope of the utility model.

Claims

1. A product injection mold with busbar insert, comprising a front mold, a front mold core mounted on the front mold, a back mold, and a back mold core mounted on the back mold, characterized in that: The injection molding machine also comprises a slanting insertion hole forming assembly, a barb forming assembly and at least one set of lateral forming assemblies, the lateral forming assemblies each comprising a main slider and a forming block, the main slider being laterally slidably arranged on the back mold, the forming block being fixed on the main slider, the forming block, the front mold core and the back mold core jointly forming an injection cavity in the closed mold state, the side of the forming block facing the injection cavity being formed with an insert mounting portion, the slanting insertion hole forming assembly comprising a slanting insertion driver and a slanting insertion insert, the slanting insertion driver being fixed on the front mold, the slanting insertion insert being fixed on the slanting insertion driver and extending into the injection cavity through the front mold core and the forming block in sequence at an angle oblique to the mold opening and closing direction, the barb forming assembly comprising a secondary slider and a barb forming block, the secondary slider being laterally arranged on the main slider, the barb forming block being obliquely guided with the secondary slider, the first end of the barb forming block abutting against the side of the main slider, the second end of the barb forming block extending into the injection cavity and being provided with a barb forming protrusion forwardly.

2. The product injection mold with busbar insert of claim 1, wherein: The lateral forming assembly further comprises a side extraction driver, the side extraction driver being fixed on the outside of the back mold and drivingly connected to the main slider.

3. The product injection mold with busbar insert of claim 1 or 2, wherein: The lateral forming assembly is provided with a plurality of sets of lateral forming assemblies, the plurality of sets of lateral forming assemblies being distributed on different sides of the back mold core.

4. The product injection mold with busbar insert of claim 3, wherein: The slanting insertion hole forming assembly and the barb forming assembly are matched with the forming block of one set of lateral forming assemblies.

5. The product injection mold with busbar insert of claim 1, wherein: The barb forming assembly further comprises an oblique guide driver, the oblique guide driver being fixed on the front mold and obliquely guided with the secondary slider, the mold opening and closing movement of the front mold and the back mold driving the secondary slider to move relative to the main slider, and further driving the barb forming block to move in the front-back direction.

6. The product injection mold with busbar insert of claim 5, wherein: The oblique guide driver is an oblique guide rod arranged oblique to the mold opening and closing direction, the secondary slider being provided with an oblique guide hole, the oblique guide rod being arranged in the oblique guide hole of the secondary slider, the main slider being provided with a space for the oblique guide rod to move.

7. The product injection mold with busbar insert of claim 1, wherein: The main slider is provided with an elastic limiting buckle, the secondary slider being provided with two clamping recesses, the elastic limiting buckle being clamped to the two clamping recesses respectively when the secondary slider slides relative to the main slider to the closed mold position and the open mold position.

8. The product injection mold with busbar insert of claim 7, wherein: The elastic limiting buckle comprises a fixed seat, a spring and a clamping member, the fixed seat being fixed on the main slider and being provided with a receiving groove, the spring and the clamping member being arranged in the receiving groove, the spring exerting a spring force on the clamping member towards the secondary slider, the clamping member being clamped to the clamping recess of the secondary slider.

9. The product injection mold with busbar insert of claim 8, wherein: The main slider is fixed with a screw rod, the fixed seat being screwed to the screw rod.

10. The product injection mold with busbar insert of claim 1, wherein: The front mold is further provided with a limiting block, the limiting block abutting against the outside of the main slider and the secondary slider in the closed mold state.

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