Plastic package mold
By introducing a cleaning mechanism into the molding die, which uses a combination of airflow and motor-driven brushes to clean adhering material debris, the problem of incomplete material debris cleaning in traditional molds is solved, thus improving product quality and safety.
Patent Information
- Application Number
- CN202520437876.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-13
AI Technical Summary
During the cleaning process of traditional plastic sealing molds, it is difficult to effectively remove firmly adhered material debris, which affects product quality.
A plastic sealing mold is designed with a cleaning mechanism, which includes a telescopic cylinder, an air block, gears, a rack and pinion, and a brush. The air block extends through the telescopic cylinder to spray airflow, which, combined with the gears and the brush driven by the motor, cleans the adhering material debris.
It effectively cleans material debris adhering to the mold, improves the sealing quality of the product, reduces the risk of burns, and increases production efficiency.
Smart Images

Figure CN223904338U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a plastic package mould technical field, concretely is a plastic package mould. BACKGROUND
[0002] The plastic package mould is a tool widely used in electronic, electrical, component and other industries, and plastic material is pressed into the inside or surface of a workpiece through certain pressure and temperature to realize sealing, protection, insulation and other functions.
[0003] After the traditional plastic package product operation is finished, the worker takes out the product, needs to manually take the air gun to go into the mould interior, carries out the cleaning to the mould upper and lower mould plane, and the material scraps on the mould surface are cleaned; the temperature in the mould interior is usually about 175 DEG C or even higher, and the worker needs to clean the mould by going into the mould every mould, and slight carelessness will cause scalding, and if the mould is not cleaned, the product plastic package body will be loose, flash skin, not filled and other quality problems.
[0004] A semiconductor plastic package mould cleaning device (authorized publication number CN222431321U) is disclosed in Chinese patent, the patent technology replaces manual blowing with machine automatic blowing, and the structure is simple, does not occupy space, is stable in operation, low in cost, ingeniously solves the problem of manual blowing, reduces the labor intensity of workers, reduces the risk of scalding, and greatly improves product quality.
[0005] However, it has certain disadvantages: the blowing cleaning mainly relies on the power of airflow to blow away the material scraps from the mould surface, however, for the material scraps adhered firmly, the airflow cannot provide enough power to remove them effectively, and these stubborn material scraps will continue to remain on the mould, affecting the plastic package quality of subsequent products. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a plastic package mould to solve the problems in the above background technology.
[0007] To achieve the above object, the utility model provides the following technical scheme:
[0008] A plastic package mould, comprising a fixed mould and a movable mould located above the fixed mould, the upper surface of the fixed mould and the lower surface of the movable mould are embedded with a plastic package module.
[0009] The front surface of the fixed mold is provided with a cleaning mechanism, the cleaning mechanism comprises an L-shaped plate, the front surface of the L-shaped plate is fixedly connected with a telescopic cylinder, the telescopic end of the telescopic cylinder is fixedly connected with a gas block, a plurality of main gas holes are formed in the gas block from front to back, a plurality of branch gas holes communicated with the main gas holes are formed in the upper and lower surfaces of the gas block, a plurality of air pipes communicated with the main gas holes are fixedly connected to the left surface of the gas block from front to back, and the rear end of the gas block is fixedly connected with a C-shaped plate, and the rear end of the C-shaped plate is provided with a slag cleaning mechanism.
[0010] As a further scheme of the utility model: the slag cleaning mechanism comprises a supporting frame, the front surface of the supporting frame is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a gear, the left and right side surfaces of the inside of the supporting frame are slidably connected with a rack, and the end, away from the supporting frame, of the rack is provided with a slag cleaning piece.
[0011] As a further scheme of the utility model: the slag cleaning piece comprises a supporting block, one side surface of the supporting block close to the supporting frame is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with a brush.
[0012] As a further scheme of the utility model: the rear end of the L-shaped plate is fixedly connected to the front surface of the fixed mold.
[0013] As a further scheme of the utility model: the rear end of the C-shaped plate is fixedly connected to the front surface of the supporting frame, the gear is located in the inside of the supporting frame, and the gear is connected to the rack in meshing mode.
[0014] As a further scheme of the utility model: the end, away from the supporting frame, of the rack is fixedly connected to the supporting block.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] The utility model discloses a cleaning mechanism is provided with, the telescopic cylinder in the cleaning mechanism stretches out a distance, so that the slag cleaning mechanism is opposite to the plastic package module, the first motor drives the gear to rotate, so that the rack drives the brush to adhere to the plastic package module, the second motor drives the brush to rotate, and the material chip that is adhered firmly in the plastic package module is cleaned down, the telescopic cylinder continues to stretch out and makes the gas block opposite to the plastic package module, the gas block is connected with the external gas source, and the plastic package module is comprehensively cleaned by the airflow that the branch gas hole sprays, and residual material chip is cleaned away. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a structure schematic view of a plastic package mold;
[0018] Figure 2 It is a structure schematic view of a cleaning mechanism in a plastic package mold;
[0019] Figure 3 It is a sectional view of a gas block in a plastic package mold;
[0020] Figure 4 It is a structure diagram of a slag cleaning mechanism in a plastic sealing mold.
[0021] In the figure: 1, fixed mold; 2, movable mold; 3, plastic sealing mold; 4, cleaning mechanism; 5, L-shaped plate; 6, telescopic cylinder; 7, air block; 8, main air hole; 9, branch air hole; 10, air pipe; 11, C-shaped plate; 12, slag cleaning mechanism; 13, support frame; 14, first motor; 15, gear; 16, rack; 17, slag cleaning piece; 18, support block; 19, second motor; 20, brush. DETAILED DESCRIPTION
[0022] Please refer to Figure 1 In the embodiment of the utility model, a plastic sealing mold comprises a fixed mold 1 and a movable mold 2 located above the fixed mold 1, and the upper surface of the fixed mold 1 and the lower surface of the movable mold 2 are both embedded with a plastic sealing mold 3;
[0023] The upper surface of the movable mold 2 is provided with an injection molding hole for injecting plastic sealing material between the two plastic sealing molds 3;
[0024] The movable mold 2 is connected with external hydraulic equipment for driving the movable mold 2 to ascend and descend.
[0025] In Figures 1 to 4 In the figure: the front surface of the fixed mold 1 is provided with a cleaning mechanism 4, the cleaning mechanism 4 comprises an L-shaped plate 5, the rear end of the L-shaped plate 5 is fixedly connected to the front surface of the fixed mold 1, the front surface of the L-shaped plate 5 is fixedly connected with a telescopic cylinder 6, the telescopic end of the telescopic cylinder 6 is fixedly connected with an air block 7, a plurality of main air holes 8 are formed in the air block 7 from front to back, and a plurality of branch air holes 9 are formed in the upper and lower surfaces of the air block 7 and are communicated with the main air holes 8, and a plurality of air pipes 10 are fixedly connected to the left surface of the air block 7 from front to back and are communicated with the main air holes 8;
[0026] The telescopic cylinder 6 is preferably an electric cylinder, and the extension stroke thereof can be controlled;
[0027] The air pipes 10 are connected with an external air source, the air source enters the main air holes 8 after being pressurized, and then is sprayed out through the branch air holes 9, so as to clean the debris in the plastic sealing mold 3;
[0028] The rear end of the air block 7 is fixedly connected with a C-shaped plate 11, the rear end of the C-shaped plate 11 is provided with a slag cleaning mechanism 12, the slag cleaning mechanism 12 comprises a supporting frame 13, the rear end of the C-shaped plate 11 is fixedly connected to the front surface of the supporting frame 13, the front surface of the supporting frame 13 is fixedly connected with a first motor 14, the output end of the first motor 14 is fixedly connected with a gear 15, the gear 15 is located in the inside of the supporting frame 13, the left and right side surfaces of the inside of the supporting frame 13 are slidably connected with a rack 16, the gear 15 is meshingly connected to the rack 16, the rack 16 is provided with a slag cleaning piece 17 at the end, away from the supporting frame 13, the slag cleaning piece 17 comprises a supporting block 18, the end, away from the supporting frame 13, of the rack 16 is fixedly connected to the supporting block 18, the side surface, close to the supporting frame 13, of the supporting block 18 is fixedly connected with a second motor 19, the output end of the second motor 19 is fixedly connected with a brush 20.
[0029] The first motor 14 is connected to a forward and reverse rotation circuit, and is provided with a brake, that is, after power-off, the motor shaft cannot rotate;
[0030] When the gear 15 rotates clockwise, the left and right racks 16 will respectively rise and fall, and when the gear 15 rotates counterclockwise, the left and right racks 16 will respectively fall and rise;
[0031] The second motor 19 is used for driving the brush 20 to rotate, so as to clean the plastic sealing module 3 and clean the material scraps adhered more firmly.
[0032] The working principle of the utility model is as follows: when in use, electronic components are placed in the lower plastic sealing module 3, the movable die 2 is driven to descend by the hydraulic equipment, so as to complete die closing, then the plastic sealing material is discharged into the plastic sealing module 3 through the injection hole, after forming, the movable die 2 rises away from the fixed die 1, the telescopic cylinder 6 first extends by a distance, so that the brush 20 is opposite to the plastic sealing module 3, the first motor 14 drives the gear 15 to rotate counterclockwise, so that the left and right racks 16 respectively drive the brush 20 to adhere to the plastic sealing module 3, the second motor 19 is started to drive the brush 20 to rotate, and the material scraps adhered more firmly are scraped off, the second motor 19 stops running, the first motor 14 drives the gear to rotate clockwise, so that the brush 20 is away from the plastic sealing module 3, the telescopic cylinder 6 continues to extend by a distance, so that the air block 7 is opposite to the plastic sealing module 3, and the air flow is sprayed out of the air hole 9 to completely clean the plastic sealing module 3.
[0033] The above is only a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
[0034] In the description of the utility model, it is to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
Claims
1. A plastic package mold, comprising a fixed mold (1) and a movable mold (2) located above the fixed mold (1), the upper surface of the fixed mold (1) and the lower surface of the movable mold (2) are embedded with a plastic package module (3); characterized in that The front surface of the fixed mold (1) is provided with a cleaning mechanism (4), the cleaning mechanism (4) comprises an L-shaped plate (5), the front surface of the L-shaped plate (5) is fixedly connected with a telescopic cylinder (6), the telescopic end of the telescopic cylinder (6) is fixedly connected with an air block (7), a plurality of main air holes (8) are formed in the air block (7) from front to back, and a plurality of branch air holes (9) are formed in the upper and lower surfaces of the air block (7) and are communicated with the main air holes (8), a plurality of air pipes (10) are fixedly connected to the left surface of the air block (7) from front to back and are communicated with the main air holes (8), and the rear end of the air block (7) is fixedly connected with a C-shaped plate (11), the rear end of the C-shaped plate (11) is provided with a slag cleaning mechanism (12).
2. The plastic packaging mold according to claim 1, wherein The slag cleaning mechanism (12) comprises a support frame (13), the front surface of the support frame (13) is fixedly connected with a first motor (14), the output end of the first motor (14) is fixedly connected with a gear (15), the left and right side surfaces of the inside of the support frame (13) are slidably connected with a rack (16), and the end of the rack (16) away from the support frame (13) is provided with a slag cleaning piece (17).
3. The plastic package mold according to claim 2, wherein The slag cleaning piece (17) comprises a support block (18), one side surface of the support block (18) close to the support frame (13) is fixedly connected with a second motor (19), and the output end of the second motor (19) is fixedly connected with a brush (20).
4. The plastic package mold according to claim 1, wherein The rear end of the L-shaped plate (5) is fixedly connected to the front surface of the fixed mold (1).
5. The plastic package mold according to claim 2, wherein The rear end of the C-shaped plate (11) is fixedly connected to the front surface of the support frame (13), the gear (15) is located in the inside of the support frame (13), and the gear (15) is meshingly connected to the rack (16).
6. The plastic package mold according to claim 3, wherein The end of the rack (16) away from the support frame (13) is fixedly connected to the support block (18).
Citation Information
Patent Citations
Semiconductor plastic package mold cleaning device
CN222431321U