Injection mold with raw material spline capable of freely falling off
By adopting an injection mold with a two-parting structure and an air blowing channel, the automatic detachment of the spline is achieved, which solves the difficulties of traditional molds in changing the core and gripper, reduces production costs, and improves production efficiency and quality stability.
Patent Information
- Application Number
- CN202422844439.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-21
AI Technical Summary
When producing splines of different shapes, traditional molds require frequent replacement of core inserts and grippers, resulting in large consumption of manpower and material resources, high production costs, and inability to meet production cycle and cost control requirements.
The injection mold with a double-parting structure, combined with the blowing channel and the limit assembly, realizes the automatic shedding of the spline, reduces the working process and avoids the use of the robot.
It enables automatic detachment of splines of different shapes, reduces manpower and material consumption, lowers production costs, improves production efficiency and product quality stability, and meets the requirements of production cycle and cost control.
Smart Images
Figure CN223466657U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to injection mold technical field relates to a raw material sample bar can freely fall off's injection mold. BACKGROUND
[0002] The sample bar mold produced before is initially for detecting the shrinkage of raw material, and now in order to guarantee that laboratory detects other performances of raw material conveniently, needs to produce various sample bars of different shapes quickly. Adopt the traditional mold structure, and the mold needs to be detached from the injection molding machine, change the new core insert, and the product and the head need to be taken by artificial or mechanical hand, and different sample bars need to change different models of grabber, which consumes a lot of manpower and material resources, and also needs to invest various grabbers, and the production cost is high, and the requirement of production cycle and cost control cannot be met. SUMMARY
[0003] In view of above technical problem and defect, the utility model discloses a raw material sample bar can freely fall off's injection mold, the mold adopts twice parting's structure, and increase the blowing passage, can respond to different shape's sample bar, realize product injection molding after automatic drop, do not need to invest mechanical hand, this kind of way reduces a process, saves a lot of manpower and material resources for enterprise, speeds up the whole production cycle of product.
[0004] To achieve the above object, the utility model adopts the following technical scheme:
[0005] A raw material sample bar can freely fall off's injection mold, including mold base, the core plate that installs on mold base, set up on the core plate core insert, set up on the core insert cavity plate, set up on the cavity plate faceplate, wherein, the core insert is processed with the injection molding groove that matches with the sample bar shape, the cavity plate is equipped with the injection molding runner that communicates with the injection molding groove, the cavity plate is equipped with the blowing passage still, the gas outlet of blowing passage is close to the end of injection molding runner and is arranged, the faceplate is equipped with the syringe on the position opposite the start end of injection molding runner, and the syringe is injected into raw material;The first limit component is equipped between the core insert and the cavity plate, and the second limit component is equipped between the cavity plate and the faceplate, the first limit component is used for guaranteeing the distance that the cavity plate and the core insert are separated, and the second limit component is used for guaranteeing the distance that the faceplate and the cavity plate are separated.
[0006] As the preferred embodiment of the utility model, the core insert and the core plate are connected in a sliding manner.
[0007] As the preferred embodiment of the utility model, the cavity plate is provided with a hollow area on the outer ring of the injection molding runner at a position close to the start end of the injection molding runner.
[0008] As the preferred of the utility model, the first limiting assembly includes first limiting block, first T type limiting rod, the upper end of first limiting block is fixed on cavity plate through bolt, first limiting block is equipped with long strip first limiting slot, first T type limiting rod is fixed on core insert after passing through the first limiting slot of first limiting block.
[0009] The second limiting assembly includes second limiting block, second T type limiting rod, the upper end of second limiting block is fixed on panel through bolt, second limiting block is equipped with long strip second limiting slot, second T type limiting rod is fixed on cavity plate after passing through the second limiting slot of second limiting block.
[0010] As the further preferred of the utility model, the avoidance area is the conical groove structure.
[0011] As the further preferred of the utility model, the first limiting assembly and second limiting assembly are both provided with two groups, are arranged at the front and back of injection mold respectively, and one is arranged close to the left edge of mold, and the other is arranged close to the right edge of mold.
[0012] The utility model has the advantages and beneficial effects that:
[0013] (1) the mold provided by the utility model can realize free separation of sample bar for different shapes of sample bar, and can also ensure that the sample can fall in a fixed position; in addition, the space of the head part of cavity plate is narrow, and the head is easy to be stuck, in order to prevent the head and flow channel from being stuck in the cavity plate and unable to realize automatic falling, the utility model makes an avoidance position for preventing sticking at the cavity head part, and the avoidance position does not prevent the head from falling during falling, so that automatic falling can be realized.
[0014] (2) the mold provided by the utility model is opened in two stages after mold closing and injection molding, the sample bar is left on the cavity plate side in the first stage, the panel and the cavity plate are separated in the second stage, the head is separated from the hot nozzle, then gas is introduced into the blowing gas passage of the cavity plate, the gas blows towards the sample bar, so that the product is blown off, realizing automatic falling; this way can reduce a process (mechanical hand taking), saving a lot of manpower and material resources for enterprises, and speeding up the whole production cycle of products.
[0015] (3) the mold provided by the utility model is simple in structure and convenient to use, after the opening action is completed, the product (sample bar) and the head can automatically fall off, without increasing the investment of mechanical hand, automatic production can be completely realized; the use of the mold greatly reduces the production cost, improves the production efficiency, reduces the influence of human factors on product quality, and realizes automatic production.
[0016] (4)The mold structure provided by the utility model has twice parting, therefore two limiting components are arranged to control the mold opening stroke in different stages, wherein the first limiting component guarantees that the distance between the core insert and the core plate is 105mm, and the second limiting component guarantees that the distance between the panel and the cavity plate is 100mm, guaranteeing that the mold can smoothly complete the mold opening action, and meanwhile, enough space is left for the sample to freely fall off.
[0017] (5)The core insert and the core plate are connected in a sliding mode, which can guarantee that the core insert is easily and quickly replaced, so that the mold is suitable for samples of all shapes. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.
[0019] Figure 1 It is a schematic view of the injection mold with the raw material sample freely falling off provided by the utility model;
[0020] Figure 2 It is a position schematic view of the air blowing channel in the cavity plate and the sample;
[0021] Figure 3 It is a position relationship schematic view of the empty position in the cavity plate and the sample;
[0022] Figure 4 It is a schematic view of the sample automatically falling off in the utility model;
[0023] Figure 5 It is a mold opening process schematic view of the injection mold in the utility model;
[0024] The drawings are as follows: mold base 1, core plate 2, core insert 3, cavity plate 4, panel 5, first limiting block 6, first T-shaped limiting rod 7, second limiting block 8, second T-shaped limiting rod 9, injection flow channel 401, air blowing channel 402, empty area 403, plunger 501, first limiting groove 601, second limiting groove 801. DETAILED DESCRIPTION
[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of the present application.
[0026] In the description of the present application, it should be further explained that, unless otherwise explicitly specified and limited, the terms "arrangement", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, it can be directly connected, or indirectly connected through intermediate medium, or the internal communication of two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0027] As shown in the Figures 1 to 5 , the present embodiment provides a raw material strip freely falling injection mold, which comprises a mold base 1, a core plate 2 installed on the mold base, a core insert 3 arranged on the core plate, a cavity plate 4 arranged on the core insert, and a face plate 5 arranged on the cavity plate. Wherein, the core insert 3 is processed with an injection slot (not shown) matched with the shape of the strip, the cavity plate 4 is provided with an injection runner 401 communicating with the injection slot, the cavity plate is further provided with a blowing channel 402, the gas outlet of the blowing channel 402 is arranged close to the end of the injection runner 401, the face plate 5 is provided with a syringe 501 at a position opposite to the starting end of the injection runner 401, and the raw material is injected through the syringe 501; the first limiting component is arranged between the core insert 3 and the cavity plate 4, the second limiting component is arranged between the cavity plate 4 and the face plate 5, the first limiting component is used to ensure that the distance between the cavity plate 4 and the core insert 3 is 105 mm, and enough space is left for the strip A to freely fall off, and the second limiting component is used to ensure that the distance between the face plate 5 and the cavity plate 4 is 100 mm.
[0028] Further, in the present embodiment, the core insert 3 and the core plate 4 are connected in a sliding manner, which can ensure easy and quick replacement of the core insert 4, so that the mold is suitable for all shapes of strips. Specifically, a sliding block matched with the sliding groove on the top surface of the core plate 4 can be arranged at the bottom of the core insert 3, and the two ends are fastened by bolts after sliding connection. Of course, the specific sliding connection mode is not limited to the above mode, and those skilled in the art can adjust it according to the existing design. It is not the key point of the present application, so it will not be introduced in detail.
[0029] Further, as shown in the Figure 3 , Figure 4As shown, in the embodiment, the cavity plate 4 is provided with a hollow area 403 at the outer circle of the injection flow channel at the position close to the starting end of the injection flow channel 401. The hollow area 403 can prevent the material head and the flow channel from being stuck in the cavity plate 4, so that the sample strip cannot be automatically dropped. The size and shape of the hollow area 403 can be adjusted according to the actual sample, and the hollow area 403 is usually designed as a tapered groove structure.
[0030] Further, as shown in Figure 1 and Figure 5 In the embodiment, the first limiting assembly includes a first limiting block 6 and a first T-shaped limiting rod 7. The upper end of the first limiting block 6 is fixed on the cavity plate 4 by bolts, and the first limiting block 6 is provided with a long strip-shaped first limiting groove 601. The first T-shaped limiting rod 7 is fixed on the core insert block 3 after passing through the first limiting groove 601 of the first limiting block.
[0031] The second limiting assembly includes a second limiting block 8 and a second T-shaped limiting rod 9. The upper end of the second limiting block 8 is fixed on the panel 5 by bolts, and the second limiting block 8 is provided with a long strip-shaped second limiting groove 801. The second T-shaped limiting rod 9 is fixed on the cavity plate 4 after passing through the second limiting groove 801 of the second limiting block.
[0032] Further, in the embodiment, the first limiting assembly and the second limiting assembly are both provided with two groups, which are respectively arranged on the front and rear sides of the injection mold, and one is arranged close to the left edge of the mold, and the other is arranged close to the right edge of the mold.
[0033] In the embodiment, the air nozzle at the gas inlet end of the injection flow channel 401 is communicated with the gas source. When it is detected that the mold opening action is completed, the high-pressure gas can be introduced into the injection flow channel 401 by controlling the gas source.
[0034] In addition, it should be noted that, as for how the injection mold in the embodiment realizes mold opening, those skilled in the art can refer to the prior art, which is not the key point of the present application, and therefore will not be described in detail.
[0035] As shown in Figure 5As shown, in the embodiment, the working principle of the injection mold is as follows: after mold clamping and injection, the mold is opened in two stages, first, the first stage of mold opening is performed, at this time, the core insert is separated from the cavity plate, and the sample is left on the cavity plate side; then, the second stage of mold opening is performed, at this time, the panel is separated from the cavity plate, and the sprue is separated from the hot nozzle; then, a certain pressure of gas is blown into the blowing channel of the cavity plate from the air nozzle, so that the sample and the sprue are blown off from the cavity plate, thereby realizing automatic falling off; after one round of injection is completed, the mold is clamped for repeated production. The mold has simple structure and is convenient to use; after the mold opening action is completed, the product and the sprue can automatically fall off, without the need of increasing the investment of the mechanical hand, so that the automatic production can be completely realized; the use of the mold greatly reduces the production cost, improves the production efficiency, reduces the influence of human factors on the product quality, and realizes the automatic production.
[0036] The above is the specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.
Claims
1. A raw material strip freely detachable injection mold characterized by comprising: The injection mold comprises a mold base, a core plate installed on the mold base, a core insert provided on the core plate, a cavity plate provided on the core insert, and a face plate provided on the cavity plate; wherein the core insert is provided with an injection slot matching the shape of a sample, the cavity plate is provided with an injection runner communicating with the injection slot, the cavity plate is further provided with a blowing channel, the outlet of the blowing channel is arranged close to the end of the injection runner, the face plate is provided with a nozzle at a position opposite to the starting end of the injection runner, and the nozzle is used for injecting raw materials; the first limiting assembly is arranged between the core insert and the cavity plate, the second limiting assembly is arranged between the cavity plate and the face plate, the first limiting assembly is used for ensuring the distance between the cavity plate and the core insert, and the second limiting assembly is used for ensuring the distance between the cavity plate and the face plate.
2. The injection mold for a raw material sample bar according to claim 1, wherein The core insert and the core plate are connected in a sliding mode.
3. The injection mold of claim 1, wherein, The cavity plate is provided with an empty area at the outer ring of the injection runner close to the starting end of the injection runner.
4. The injection mold of claim 1, wherein, The first limiting assembly comprises a first limiting block and a first T-shaped limiting rod, the upper end of the first limiting block is fixed on the cavity plate through a bolt, the first limiting block is provided with a long strip-shaped first limiting slot, and the first T-shaped limiting rod is fixed on the core insert after penetrating through the first limiting slot of the first limiting block. The second limiting assembly comprises a second limiting block and a second T-shaped limiting rod, the upper end of the second limiting block is fixed on the face plate through a bolt, the second limiting block is provided with a long strip-shaped second limiting slot, and the second T-shaped limiting rod is fixed on the cavity plate after penetrating through the second limiting slot of the second limiting block.
5. The injection mold of claim 3, wherein, The empty area is a tapered groove structure.
6. A raw material strip free-fallable injection mold according to claim 4, wherein The first limiting assembly and the second limiting assembly are both provided with two groups, which are arranged on the front and back sides of the injection mold, and one is arranged close to the left edge of the mold, and the other is arranged close to the right edge of the mold.