Bidirectional injection mold
By combining the upper and lower locking structures, the problem of mold wobbling during injection molding is solved, thereby improving mold stability and product quality.
Patent Information
- Application Number
- CN202423152067.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Injection molds are prone to shaking during the injection process, which can cause changes in the position of the upper and lower molds, affecting the consistency of the plastic melt filling the cavity and resulting in surface defects and functional failures in the finished product.
The design employs an upper and lower locking structure, combining an upper locking fixing block and a lower locking slide groove with a blocking plate and a snap-fit structure to ensure that the upper and lower molds do not misalign during assembly and to prevent shaking. Positioning pins and positioning holes are used to enhance stability.
It effectively prevents the upper and lower molds from shaking during the injection molding process, ensures mold stability, improves product qualification rate, and avoids finished product defects.
Smart Images
Figure CN223918592U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the mould field, especially relate to a bidirectional injection mould. BACKGROUND
[0002] In the injection molding process, the stability and accurate alignment of the mold are the key factors to ensure high-quality production. When the injection mold shakes during the injection process, this unstable state will directly cause the relative position between the upper mold and the lower mold to change, thereby causing the problem of inaccurate mold closing. Due to the complex gate system, cooling channel and exhaust structure designed inside the mold, any slight positional deviation may affect the consistency of the plastic melt filling the cavity, thereby causing surface defects, size discrepancies or functional failures of the finished product, and ultimately reducing the product's pass rate. SUMMARY
[0003] The utility model provides patent name, solve above -mentioned problem.
[0004] To solve the above problems, the technical scheme provided by the utility model is as follows: a bidirectional injection mold, provided with the mold core of the upper surface middle region of the lower mold and the upper mold matched with the mold core;The upper mold is provided with an upper cover, and an upper lock structure is arranged on the outer edge of the upper cover;The upper lock structure includes an upper lock fixed block and an upper lock plug, a first inclined hole is arranged on the top of the upper lock fixed block, the top of the upper lock fixed block is fixed with the outer edge of the upper cover, one end of the upper lock plug is fixed at the entrance of the first inclined hole, and the other end of the upper lock plug extends downward through the first inclined hole;The outer edge of the lower mold is provided with a lower lock structure matched with the upper lock structure;The lower lock structure includes a lower lock sliding groove and a lower lock fixed block;One end of the lower lock sliding groove is attached to the outer edge of the mold core, and the other end of the lower lock sliding groove extends to the outer edge of the lower mold;The lower lock fixed block is installed in the lower lock sliding groove, a second inclined hole penetrates the lower lock fixed block and the lower lock sliding groove in sequence and extends to the inside of the lower mold;The hole centers of the first inclined hole and the second inclined hole are on the same plane;The lower lock structure and the upper lock structure combine to form a locking structure.
[0005] Preferably, recesses are arranged on the bottom plate of the other end of the lower lock sliding groove, recesses are arranged on the two side walls of the other end of the lower lock sliding groove, the bottom of the blocking plate is inserted into the recesses, and the two sides of the blocking plate are inserted into the corresponding recesses.
[0006] Preferably, the locking structure is provided with a clamping structure at the adjacent position, the clamping structure comprises a clamping block, a lower recess and a limiting plate; the upper surface of the upper cover is provided with an upper surrounding plate at the edge thereof, the bottom of the upper surrounding plate is provided with a clamping block, the edge of the lower mold is provided with a lower recess matched with the clamping block; the limiting plate is provided at the outer side of the lower recess, and the height of the limiting plate is consistent with the height of the clamping block.
[0007] Preferably, the locking structure and the clamping structure are combined to form a fixing structure, and the fixing structure is provided at least in two, and the two fixing structures are arranged in a staggered manner relative to the mold.
[0008] Preferably, the two locking structures are arranged on the left and right sides or the front and back sides of the mold, and the two clamping structures are arranged on the left and right sides or the front and back sides of the mold.
[0009] Preferably, the lower surface of the four corners of the upper cover is provided with a corresponding positioning column, and the upper surface of the lower mold is provided with a corresponding number of positioning holes at the corresponding positions, and the positioning column is matched with the positioning hole.
[0010] It should be noted that the positioning column is inserted into the positioning hole to make the upper mold and the lower mold combined stably.
[0011] Preferably, an injection pipe through which an injection liquid flows is further provided, the injection pipe comprises an injection funnel and a three-way pipe, a first end of the three-way pipe is in communication with the bottom of the injection funnel, a second end of the three-way pipe is in communication with the feeding port of the first mold core, and a third end of the three-way pipe is in communication with the feeding port of the second mold core.
[0012] Compared with the prior art, the beneficial effects of the above scheme are that, by means of the upper locking structure of the upper mold and the lower locking structure of the lower mold, the upper mold and the lower mold can be combined without misalignment when assembled, and the upper mold and the lower mold can be prevented from shaking during the injection process; and the blocking plate is inserted into the other end of the lower locking sliding groove, so that the stability of the combination of the lower locking structure and the upper locking structure is enhanced. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2It is upper die structure schematic view of the utility model.
[0016] Figure 3 It is lower die structure schematic view of the utility model.
[0017] Figure 4 It is locking structure schematic view of the utility model.
[0018] According to the above legend: upper die 1;Lower die 2;Locking structure 3;Clamping structure 4;Upper cover 11;Positioning column 12;Upper baffle 13;Clamping block 14;Injection funnel 22;First mold core 23, second mold core 24;Lower concave part 25;Upper lock fixing block 31;Upper lock insert 32;Lower lock sliding slot 33;Lower lock fixing block 34. DETAILED DESCRIPTION
[0019] In order to facilitate understanding of the utility model, the utility model is described in more detail below in conjunction with the drawings and specific embodiments. The preferred embodiments of the utility model are shown in the drawings. However, the utility model can be realized in many different forms, and is not limited to the embodiments described in the specification. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0020] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on another element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. The terms "fixed", "integrally formed", "left", "right" and similar expressions used in the specification are only for the purpose of illustration, and in the drawings, similar units are indicated by the same reference numerals.
[0021] Unless otherwise defined, all technical and scientific terms used in the specification are the same as those commonly understood by the person skilled in the art of the utility model. The terms used in the specification of the utility model are only for the purpose of describing the specific embodiments, and are not used to limit the utility model.
[0022] As Figures 1-4As shown in the utility model, one embodiment is: a bidirectional injection mold, the upper surface middle area of lower mold 2 is equipped with mold core and upper mold 1 matched with the mold core;The upper mold 1 is equipped with upper cover 11, and upper lock structure is arranged on the outer edge of the upper cover 11;The upper lock structure includes upper lock fixed block 31 and upper lock insert 32, a first inclined hole is arranged on the top of the upper lock fixed block 31, the top of the upper lock fixed block 31 is fixed with the outer edge of the upper cover 11, one end of the upper lock insert 32 is fixed at the entrance of the first inclined hole, and the other end of the upper lock insert 32 extends downward through the first inclined hole;The outer edge of the lower mold 2 is equipped with lower lock structure matched with the upper lock structure;The lower lock structure includes lower lock sliding groove 33 and lower lock fixed block 34;One end of the lower lock sliding groove 33 is attached to the outer edge of the mold core, and the other end of the lower lock sliding groove 33 extends to the outer edge of the lower mold 2;The lower lock fixed block 34 is installed in the lower lock sliding groove 33, a second inclined hole penetrates the lower lock fixed block 34 and the lower lock sliding groove 33 in turn and extends to the inside of the lower mold 2;The hole centers of the first inclined hole and the second inclined hole are in a plane;The lower lock structure and the upper lock structure form a locking structure in combination.It should be noted that, by the upper lock structure of the upper mold 1 and the lower lock structure of the lower mold 2, the upper mold 1 and the lower mold 2 are assembled, avoiding the problem of misalignment;And also prevent the problem of shaking of the upper mold 1 and the lower mold 2 in the process of injection;When the upper lock insert 32 penetrates the first inclined hole and the second inclined hole in turn and extends to the inside of the lower mold 2, the upper lock structure and the lower lock structure cooperate, and the fixing effect of the upper mold 1 and the lower mold 2 is achieved, one end of the lower lock sliding groove 33 is attached to the outer edge of the mold core, and the lower lock sliding groove 33 and the lower lock fixed block 34 are also fixed in the lower mold 2 due to the penetration of the upper lock insert 32 through the second inclined hole, so that the lower lock sliding groove 33 has a stabilizing effect on the mold core.
[0023] Preferably, recesses are arranged on the bottom plate of the other end of the lower lock sliding groove 33, recesses are arranged on the two side walls of the other end of the lower lock sliding groove 33 respectively, the bottom of the blocking plate is inserted into the recess, and the two sides of the blocking plate are inserted into the corresponding recesses.
[0024] It should be noted that, by arranging the blocking plate to be inserted into the other end of the lower lock sliding groove 33, the stability of the combination of the lower lock structure and the upper lock structure is enhanced, and the attachment of the lower lock sliding groove 33 and the lower lock fixed block 34 to the mold core is more stable.
[0025] Preferably, the locking structure is provided with a clamping structure 4 adjacent to the locking structure, the clamping structure 4 comprising a clamping block 14, a lower recess 25 and a limiting plate; the upper cover 11 is provided with an upper surrounding plate 13 at the edge of the lower surface of the upper cover 11, the clamping block 14 is arranged at the bottom of the upper surrounding plate 13, and the lower mold 2 is provided with a lower recess 25 matched with the clamping block 14 at the edge of the lower mold 2; the limiting plate is arranged at the outer side of the lower recess 25, and the height of the limiting plate is consistent with the height of the clamping block 14.
[0026] It should be noted that, through the cooperation of the clamping block 14 and the lower recess 25, the left and right shaking of the upper mold 1 and the lower mold 2 is avoided, so that the qualified rate of the molded product is ensured during the injection molding process, and the clamping block 14 can be quickly and accurately inserted into the lower recess 25 through the limiting plate, and the left and right shaking of the upper mold 1 and the lower mold 2 is also avoided. Preferably, the locking structure 3 and the clamping structure 4 are combined to form a fixing structure, the fixing structure is provided at least in two, and the two fixing structures are arranged in a staggered manner relative to the mold. Preferably, the two locking structures 3 are arranged on the left and right sides or the front and rear sides of the mold, and the two clamping structures 4 are arranged on the left and right sides or the front and rear sides of the mold.
[0027] Preferably, the lower surface of the four corners of the upper cover 11 is provided with a corresponding positioning column 12, and the upper surface of the lower mold 2 is provided with a corresponding positioning hole in position and number, and the positioning column 12 is matched with the positioning hole.
[0028] It should be noted that, through the insertion of the positioning column 12 into the positioning hole, the upper mold 1 and the lower mold 2 are combined stably.
[0029] Preferably, an injection pipe through which an injection liquid flows is further arranged, the injection pipe comprising an injection funnel 22 and a three-way pipe, a first end of the three-way pipe being in communication with the bottom of the injection funnel 22, a second end of the three-way pipe being in communication with the feeding port of the first mold core 23, and a third end of the three-way pipe being in communication with the feeding port of the second mold core 24.
[0030] It should be noted that the injection liquid is injected from the injection funnel 22, and then flows into the first mold core 23 and the second mold core 24 through the three-way pipe for injection.
[0031] It should be noted that the above technical features continue to be combined with each other to form various embodiments not listed above, which are all considered to be within the scope of the disclosure of the present application; and for those skilled in the art, the above description can be improved or changed, and all these improvements and changes should be within the protection scope of the appended claims of the present application.
Claims
1. A two-way injection mold characterized in that; The mold core is provided with the upper surface middle area of the lower mold, and the upper mold matched with the mold core; the upper mold is provided with the upper cover, and the upper lock structure is arranged on the outer edge of the upper cover; the upper lock structure includes the upper lock fixed block and the upper lock plug, the first inclined hole is arranged on the top of the upper lock fixed block, the top of the upper lock fixed block is fixed with the outer edge of the upper cover, one end of the upper lock plug is fixed at the entrance of the first inclined hole, and the other end of the upper lock plug extends downward through the first inclined hole; the outer edge of the lower mold is provided with the lower lock structure matched with the upper lock structure; the lower lock structure includes the lower lock sliding groove and the lower lock fixed block; one end of the lower lock sliding groove is attached to the outer edge of the mold core, and the other end of the lower lock sliding groove extends to the outer edge of the lower mold; the lower lock fixed block is installed in the lower lock sliding groove, the second inclined hole extends to the inside of the lower mold by penetrating the lower lock fixed block and the lower lock sliding groove in sequence; the hole centers of the first inclined hole and the second inclined hole are in the same plane; the lower lock structure and the upper lock structure combine to form the locking structure.
2. The bi-directional injection mold of claim 1, wherein; A recess is arranged on the bottom plate of the other end of the lower lock sliding groove, recesses are arranged on the two side walls of the other end of the lower lock sliding groove respectively, the bottom of the blocking plate is inserted into the recess, and the two sides of the blocking plate are inserted into the corresponding recesses.
3. The bi-directional injection mold of claim 1, wherein; The clamping structure is arranged at the adjacent position of the locking structure, the clamping structure includes the clamping block, the lower recess and the limiting plate; the edge of the lower surface of the upper cover is provided with the upper surrounding plate, the clamping block is arranged on the bottom of the upper surrounding plate, and the lower recess matched with the clamping block is arranged at the edge of the lower mold; the limiting plate is arranged at the outer side of the lower recess, and the height of the limiting plate is consistent with the height of the clamping block.
4. The bi-directional injection mold of claim 1, wherein; The locking structure and the clamping structure combine to form the fixing structure, the fixing structure is arranged at least as two, and the two fixing structures are arranged in a staggered manner relative to the mold.
5. The bi-directional injection mold of claim 4, wherein; The two locking structures are arranged on the left and right or front and back sides of the mold, and the two clamping structures are arranged on the left and right or front and back sides of the mold.
6. The bi-directional injection mold of claim 1, wherein; The lower surfaces of the four corners of the upper cover are provided with corresponding positioning columns, and the upper surface of the lower mold is provided with positioning holes corresponding in position and number, and the positioning columns are matched with the positioning holes.
7. The bi-directional injection mold of claim 1, wherein; The injection pipe for the flow of injection liquid is further arranged, the injection pipe includes an injection funnel and a three-way pipe, the first end of the three-way pipe is in communication with the bottom of the injection funnel, the second end of the three-way pipe is in communication with the feed inlet of the first mold core, and the third end of the three-way pipe is in communication with the feed inlet of the second mold core.