A kind of injection mold with optimized opening and closing action

Abstract

The application discloses a kind of injection-molded mould with optimized opening and closing mode, and the optimal guide path is simulated by multiple opening and closing mode test in test state, and the corresponding guide rail is processed on guide plate by optimal guide path;When injection-molded mould is in forming state, guide plate is installed on mold core plate assembly, and when top plate moves, sliding member controls sliding plate to move under the limitation of guide rail, and opens and closes;Injection-molded mould realizes the rapid acquisition of optimal guide path by the scheme of test state and forming state, simultaneously simplifies the conversion process from test state to forming state, improves the optimization and development efficiency of injection-molded mould, improves the quality of injection-molded mould, avoids repeated design and manufacture of guide plate due to the inadaptation of guide rail and injection-molded mould, reduces the development cycle and manufacturing cost of injection-molded mould.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of injection mold technology, in particular to an injection mold with optimized mold opening and closing action. BACKGROUND

[0002] The existing bottle blank injection mold (injection mold) generally realizes the opening and closing action of the sliding plate through the cooperation of the inclined sliding groove plate and the roller (as shown in Figure 1 The present application relates to the technical field of injection mold technology, in particular to an injection mold with optimized mold opening and closing action.

[0003] Generally, the curved track (i.e. guide rail) on the inclined sliding groove plate (i.e. guide plate) is fixed. During the test of the injection mold, some bottle blanks may have difficulty in demolding or cannot be demolded. Therefore, it is necessary to redesign and process the curved track on the inclined sliding groove plate and then test it again. In order to ensure the guiding effect of the guide path, a new inclined sliding groove plate needs to be used to process the curved track each time. It may be necessary to repeat the above steps several times to finally determine the curved track. This process of obtaining the optimal curved track through repeated trial and error undoubtedly increases the production cost and time cost. SUMMARY

[0004] In order to overcome the shortcomings of the prior art, the present application provides a testing device for an injection mold.

[0005] The technical solution adopted by the present application to solve its technical problems is:

[0006] An injection mold with optimized mold opening and closing action, comprising a top plate assembly, the top plate assembly comprising a top plate and a sliding plate group arranged on the top plate, the sliding plate group comprising two sliding plates each extending in a first direction, and a sliding member connected to each of the two sliding plates;

[0007] When the injection mold is in a test state, two sliding grooves are provided on the top plate, the axes of the two sliding members of the two sliding plates are parallel to a third direction and are respectively in sliding cooperation with the two sliding grooves, and when the top plate slides in the third direction, the two sliding grooves move in the first direction. Based on the cooperation between the sliding groove and the sliding member, the two sliding plates slide away from or towards each other in a second direction, and the mold opening and closing test is performed.

[0008] When the parison mold is in the forming state, two opposite guide rails are arranged outside the top plate, the guide paths of the two guide rails are generated according to the test results of the mold opening and closing test, the axes of the two sliding members are parallel to the first direction and are respectively in sliding fit with the two guide rails, when the top plate slides along the third direction, the two sliding members respectively move along the two guide rails, so that the two sliding plates slide away from or towards each other along the second direction to open and close the mold.

[0009] Further, the two sliding plates each have or are connected with a connecting block, and the two connecting blocks of the two sliding plates are each connected with a sliding member.

[0010] Further, the two sliding plates of the sliding plate group are respectively a first sliding plate and a second sliding plate, a plurality of groups of the sliding plate group are arranged in front of and behind each other along the second direction on the top plate, and among the plurality of groups of the sliding plate group, a plurality of the first sliding plates are linked together, and a plurality of the second sliding plates are linked together.

[0011] The first sliding plate of the frontmost sliding plate group has or is connected with a first connecting block on the front side along the second direction, and the second sliding plate of the rearmost sliding plate group has or is connected with a second connecting block on the rear side along the second direction, and the first connecting block and the second connecting block are each connected with the sliding member.

[0012] Further, the plurality of groups of the sliding plate group are linked together through a linkage assembly, the linkage assembly includes a first linkage strip and a second linkage strip, the first linkage strip and the second linkage strip are each arranged in extension along the second direction and arranged in sliding on the top plate along the second direction, the plurality of first sliding plates are linked together through the first linkage strip, and the plurality of second sliding plates are linked together through the second linkage strip.

[0013] Further, the first linkage strip and the second linkage strip are arranged in pairs at the two ends of the top plate along the first direction.

[0014] Further, the two sliding grooves are respectively arranged on two sliding groove plates, the two sliding groove plates are respectively connected to the driving ends of two driving mechanisms, the two sliding groove plates move along the first direction under the driving of the two driving mechanisms, thereby driving the two sliding grooves to move along the first direction, the two driving mechanisms are respectively fixed on two mounting seats, and the two mounting seats are respectively detachably connected to the front and rear sides of the top plate along the second direction.

[0015] Further, the driving mechanism is a linear motor mechanism, the linear motor mechanism includes a guide rail and a linear motor, the guide rail is arranged along the first direction, the linear motor is arranged in sliding on the guide rail, and the sliding groove plate is arranged on the linear motor.

[0016] Further, the driving mechanism is a servo motor mechanism, the servo motor mechanism comprises a servo motor and a screw sliding block module, a screw rod of the screw sliding block module is arranged along a first direction and is connected with a rotating driving end of the servo motor, and the sliding chute plate is arranged on a sliding block of the screw sliding block module.

[0017] Alternatively, the servo motor mechanism comprises a servo motor and a gear rack set, a rack of the gear rack set is arranged along a first direction, a gear of the gear rack set is matched with the rack of the gear rack set and is connected with a rotating driving end of the servo motor, and the sliding chute plate is arranged on the rack of the gear rack set.

[0018] Further, the injection blank mold comprises a mold core plate assembly, the mold core plate assembly comprises a mold core plate, and the top plate slides along a third direction on the mold core plate; two guide rails are arranged on two guide plates respectively, and the two guide plates are arranged on the mold core plate and are located on the front and rear sides of the top plate along a second direction respectively.

[0019] Further, the first sliding plate and the second sliding plate are respectively provided with a first half mold lip and a second half mold lip, and the first half mold lip and the second half mold lip are driven to move away from each other or move towards each other through the first sliding plate and the second sliding plate respectively.

[0020] The present application has the following advantages and beneficial effects:

[0021] The injection blank mold simulates an optimal guide path through multiple mold opening and closing tests in a test state, and the corresponding guide rails are machined on the guide plates through the optimal guide path; in a forming state, the guide plates are installed on the mold core plate assembly, and the sliding member controls the movement of the sliding plate under the limitation of the guide rails when the top plate moves, and the mold is opened and closed; through the test state and the forming state, the injection blank mold realizes the rapid acquisition of the optimal guide path, simplifies the conversion process from the test state to the forming state, improves the optimization and development efficiency of the injection blank mold, improves the quality of the injection blank mold, avoids repeated design and manufacture of the guide plates due to the inadaptation of the guide rails and the injection blank mold, and reduces the development cycle and manufacturing cost of the injection blank mold. BRIEF DESCRIPTION OF DRAWINGS

[0022] The present application will be further described below in combination with the drawings and embodiments:

[0023] Figure 1 A schematic view of an existing mold opening and closing mechanism in the background art;

[0024] Figure 2 A structural schematic view of the injection blank mold in a test state in the present embodiment;

[0025] Figure 3Schematic diagram of the structure of the injection mold in the molding state in this embodiment;

[0026] Figure 4 This is a schematic diagram of the installation of multiple slide groups in this embodiment;

[0027] Figure 5 Schematic diagram of the coordination of the linkage components in this embodiment. DETAILED DESCRIPTION

[0028] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention, but the present invention is not limited to the following embodiments.

[0029] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial...), then the directional indication is only used to explain the relative position relationship, movement status, etc. between the various components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0030] In addition, if there are descriptions involving "first" or "second" in the embodiments of the present invention, the descriptions of "first" or "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0031] like Figures 2 to 5 As shown, this embodiment discloses an injection mold with optimized mold opening and closing actions, including a top plate assembly 2, the top plate assembly 2 including a top plate 21 and a slide plate group 22 arranged on the top plate 21, the slide plate group 22 including two slide plates extending along a first direction, and the two slide plates are connected to a sliding member 220;

[0032] When the injection blank mold is in a test state, the top plate 21 is provided with two opposite sliding grooves 330, the axes of the two sliding members 220 of the two sliding plates are parallel to the third direction and are respectively in sliding fit with the two sliding grooves 330, when the top plate 21 slides along the third direction, the two sliding grooves 330 are moved along the first direction, based on the fit between the sliding grooves 330 and the sliding members 220, the two sliding plates slide away from or towards each other along the second direction, and the mold opening and closing test is performed.

[0033] When the injection blank mold is in a forming state, the top plate 21 is arranged with two opposite guide rails 41, the guide paths of the two guide rails 41 are generated according to the test results of the mold opening and closing test, the axes of the two sliding members 220 are parallel to the first direction and are respectively in sliding fit with the two guide rails 41, when the top plate 21 slides along the third direction, the two sliding members 220 are respectively moved along the two guide rails 41, so that the two sliding plates slide away from or towards each other along the second direction, and the mold opening and closing is performed.

[0034] It should be noted that the selection of the optimal mold opening and closing action is mainly based on factors such as the quality of the product molded by the injection blank mold and the molding cycle, and a person skilled in the art can determine the optimal injection molding scheme based on these factors, and then obtain the mold opening and closing action corresponding to the injection molding scheme, that is, the optimal guide path of the sliding plate.

[0035] In this embodiment, the two sliding plates each have or are connected with a connecting block 23, and the two connecting blocks 23 of the two sliding plates are each connected with a sliding member 220.

[0036] Further, the two sliding plates of the sliding plate group 22 are respectively a first sliding plate 221 and a second sliding plate 222, and a plurality of sliding plate groups 22 are arranged in front of and behind each other along the second direction on the top plate 21, and among the plurality of sliding plate groups 22, the plurality of first sliding plates 221 are linked together, and the plurality of second sliding plates 222 are linked together.

[0037] The first sliding plate 221 of the frontmost sliding plate group 22 has or is connected with a first connecting block 23 on the front side along the second direction, and the second sliding plate 222 of the rearmost sliding plate group 22 has or is connected with a second connecting block 23 on the rear side along the second direction, and the first connecting block 23 and the second connecting block 23 are each connected with the sliding member 220.

[0038] In the embodiment, two chute plates 33 are arranged on two driving ends of two driving mechanisms 32, and the two chute plates 33 are driven to move along the first direction by the two driving mechanisms 32, thereby driving the two chutes 330 to move along the first direction. The two driving mechanisms 32 are fixed on two mounting seats 31, and the two mounting seats 31 are detachably connected to the front and rear sides of the top plate 21 along the second direction.

[0039] In the implementation, the sliding plates of the sliding members 220 are connected with the sliding members 220 at both ends in the first direction through the connecting blocks 23, and the top plate 21 is provided with the chute plates 33 matched with the sliding members 220. The sliding members 220 are sliding members or rolling members, preferably bearings.

[0040] In the embodiment, the injection mold comprises a mold core plate assembly 1, the mold core plate assembly 1 comprises a mold core plate 10, and the top plate 21 slides along the third direction on the mold core plate 10. Two guide rails 41 are arranged on two guide plates 4, and the two guide plates 4 are arranged on the mold core plate 10 and located on the front and rear sides of the top plate 21 along the second direction.

[0041] In the embodiment, a plurality of groups of the sliding plate groups 22 are connected through the linkage assemblies 5, the linkage assemblies 5 comprise first linkage strips 51 and second linkage strips 52, the first linkage strips 51 and the second linkage strips 52 are arranged along the second direction and slide on the top plate 21 along the second direction, a plurality of groups of the first sliding plates 221 are connected through the first linkage strips 51, and a plurality of groups of the second sliding plates 222 are connected through the second linkage strips 52.

[0042] Further, the first linkage strips 51 and the second linkage strips 52 are arranged side by side on one side of the top plate 21.

[0043] Further, the other side of the top plate 21 is further provided with another group of first linkage strips 51 and second linkage strips 52 arranged side by side.

[0044] Further, the first sliding plates 221 and the second sliding plates 222 are respectively provided with first mold lip halves 223 and second mold lip halves 224, and the first sliding plates 221 and the second sliding plates 222 drive the first mold lip halves 223 and the second mold lip halves 224 to open or close.

[0045] In the embodiment, the first direction and the second direction are perpendicular to each other, the direction in which the sliding plates extend is the first direction, the arrangement direction of the sliding plate groups on the top plate is the second direction, and the third direction is perpendicular to the first direction and the second direction.

[0046] The above-described embodiments of the application are merely descriptive of its application and nothing in the present specification should be construed as a limitation on the overall scope of the application. Various modifications or changes in light thereof will be readily apparent to those skilled in the art, such as the use of alternative software programs or circuits to carry out the stated functions. It is intended to cover in the appended claims all such changes and modifications that fall within the scope of the application.

Claims

1. An injection mold with optimized mold opening and closing actions, comprising a top plate assembly, the top plate assembly comprising a top plate and a slide plate assembly disposed on the top plate, the slide plate assembly comprising two slide plates each extending in a first direction, and a sliding member connected to each of the two slide plates; characterized in that: When the injection mold is in a testing state, two opposing slide grooves are provided on the top plate, and the axes of the two sliding members of the two slide plates are parallel to the third direction and are respectively slidably engaged with the two slide grooves. When the top plate slides along the third direction, the two slide grooves move along the first direction. Based on the engagement between the slide grooves and the sliding members, the two slide plates slide in opposite directions or towards each other along the second direction to perform a mold opening and closing test. When the injection mold is in a molding state, two guide rails are arranged opposite to each other on the outside of the top plate, and the guide paths of the two guide rails are generated according to the test results of the mold opening and closing test. The axes of the two sliding members are parallel to the first direction and are respectively slidably engaged with the two guide rails. When the top plate slides along the third direction, the two sliding members move along the two guide rails respectively, so that the two slides slide in opposite directions or towards each other along the second direction to open and close the mold; The two slides of the slide group are respectively a first slide and a second slide, and a plurality of groups of the slide groups are arranged front and back on the top plate along the second direction. In the plurality of groups of the slide groups, a plurality of the first slides are linked to each other, and a plurality of the second slides are linked to each other; the first slide of the frontmost slide group has or is connected to a first connecting block on its front side along the second direction, and the second slide of the rearmost slide group has or is connected to a second connecting block on its rear side along the second direction, and both the first connecting block and the second connecting block are connected to the sliding member; The two chutes are respectively provided on two chute plates, the two chute plates are respectively connected to the driving ends of two driving mechanisms, the two chute plates move along the first direction under the drive of the two driving mechanisms, driving the two chutes to move along the first direction, the two driving mechanisms are respectively fixed on two mounting seats, and the two mounting seats are detachably connected to the front and rear sides of the top plate along the second direction; The injection mold includes a core plate assembly, the core plate assembly includes a core plate, and the top plate slides along the third direction on the core plate; the two guide rails are respectively provided on the two guide plates, and the two guide plates are both provided on the core plate and are respectively located at the front and rear outer sides of the top plate along the second direction; A first half mold lip and a second half mold lip are respectively provided on the first slide plate and the second slide plate. The first half mold lip and the second half mold lip are respectively driven by the first slide plate and the second slide plate to move in opposite directions or towards each other.

2. The injection mold with optimized mold opening and closing actions according to claim 1, characterized in that: The multiple groups of slide groups are linked by a linkage component, and the linkage component includes a first linkage bar and a second linkage bar. The first linkage bar and the second linkage bar are both extended along the second direction and slidably arranged on the top plate along the second direction. The multiple groups of the first slide groups are linked by the first linkage bar, and the multiple groups of the second slide groups are linked by the second linkage bar.

3. The injection mold with optimized mold opening and closing actions according to claim 2, characterized in that: The first linkage bar and the second linkage bar are arranged in pairs at two ends of the top plate along the first direction.

4. The injection mold with optimized mold opening and closing actions according to claim 1, characterized in that: The driving mechanism is a linear motor mechanism, which includes a guide rail and a linear motor. The guide rail is arranged along a first direction, the linear motor is slidably arranged on the guide rail, and the slide plate is arranged on the linear motor.

5. The injection mold with optimized mold opening and closing actions according to claim 1, characterized in that: The driving mechanism is a servo motor mechanism, which includes a servo motor and a screw slider module. The screw of the screw slider module is arranged along a first direction and connected to the rotation drive end of the servo motor. The slide plate is provided on the slider of the screw slider module. Alternatively, the servo motor mechanism includes a servo motor and a gear rack set, the rack of the gear rack set is arranged along a first direction, the gear of the gear rack set cooperates with the rack of the gear rack set and is connected to the rotating drive end of the servo motor, and the slide plate is arranged on the rack of the gear rack set.

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