Plastic injection molding equipment
By adopting a combination design of a three-way barrel and an L-shaped plug in the plastic injection molding equipment, the problem of plastic particles accumulating in the transition area between the premix container and the barrel is solved, enabling convenient discharge of plastic particles and equipment maintenance, and improving the operability and maintenance efficiency of the equipment.
Patent Information
- Application Number
- CN202520045228.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-09
AI Technical Summary
In traditional plastic injection molding equipment, plastic particles tend to accumulate in the transition area between the premix container and the barrel during the raw material pretreatment process, increasing the difficulty of equipment maintenance and repair.
A plastic injection molding machine was designed, which adopts a three-way barrel structure. Through the inverted T-shaped internal channel and L-shaped plug and bolt and nut assembly, a two-stage opening scheme is realized, which facilitates the discharge of unmelted plastic granules and the disassembly and maintenance of the main barrel.
It enables convenient plastic pellet discharge and equipment maintenance, reduces the difficulty of equipment maintenance, and improves the operability and maintenance efficiency of the equipment.
Smart Images
Figure CN223671698U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic injection, more particularly to a plastic injection equipment. BACKGROUND
[0002] The traditional plastic injection equipment lacks effective pretreatment steps for raw materials, and the improved plastic injection equipment introduces a premixing structure, which aims to mix the raw materials in a specific container before they are fed into the barrel for hot melting, so as to ensure the uniformity of the raw materials and improve the quality of the injection products.
[0003] In actual operation, the transition area between the premixing container and the barrel often becomes a place where plastic particles accumulate, but the main barrel of the injection equipment is generally long, which although helps the feeding and pretreatment of the plastic raw materials, increases the difficulty of equipment maintenance and repair, and still has room for improvement. INNOVATION
[0004] The utility model provides a plastic injection equipment, and the purpose is to facilitate the discharge and maintenance.
[0005] The above-mentioned purpose is realized by the following technical scheme:
[0006] A plastic injection equipment, comprising a three-way barrel, a first convex wall is fixedly connected to the left end of the outer wall of the three-way barrel, a clamping groove is arranged on the first convex wall, an opening is arranged at the lower end of the three-way barrel, a main barrel is in contact with and conducts through the left end of the three-way barrel, a second convex wall is fixedly connected to the right end of the outer wall of the main barrel, a clamping block is fixedly connected to the right end of the second convex wall, the clamping block is fitted in the clamping groove, a convex seat is fixedly connected to the lower end of the second convex wall, a plug is arranged in the opening, a guide seat is slidably connected to the left part of the convex seat, and the plug and the guide seat are fixed through a fastener.
[0007] The channel in the three-way barrel is inverted T-shaped, and the axis of the main barrel coincides with the axis of the horizontal channel of the three-way barrel.
[0008] A flange is fixedly connected to the top and the right end of the three-way barrel.
[0009] The number of clamping grooves is at least two and is circumferentially distributed, and the number of clamping blocks is the same as that of the clamping grooves, so that one clamping block is fitted in each clamping groove.
[0010] The three-way barrel and the main barrel are in surface contact, and the contact surface is a first circular annular area; the first convex wall and the second convex wall are in surface contact, and the contact surface is a second annular area.
[0011] After the plug is lowered and separated from the opening, the guide seat is still slidably connected to the convex seat, and the guide seat can only slide longitudinally along the convex seat.
[0012] The upper end surface of the plug and the inner wall of the three-way barrel form a complete cylindrical surface.
[0013] The opening is located between the first convex wall and the flange at the right end of the tee barrel, and the plug can completely close the opening when being in the opening.
[0014] The plug is L-shaped structure, the fastener is bolt and nut assembly, the head of the bolt abuts against the right end surface of the vertical section of the plug, and the nut abuts against the left end of the guide seat.
[0015] The convex seat, the plug and the guide seat are inserted with the same clamping piece.
[0016] The plastic injection equipment has the beneficial effects that:
[0017] The two-stage opening scheme is realized by adopting the one-degree-of-freedom operation mode. The first-stage opening scheme opens the opening to discharge the non-hot-melt plastic particles, and the second-stage opening scheme opens the tee barrel and the main barrel, so that the main barrel is convenient to disassemble and overhaul. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a schematic view of a plastic injection equipment;
[0019] Figure 2 It is a structural schematic view of a tee barrel;
[0020] Figure 3 It is a structural schematic view of a main barrel;
[0021] Figure 4 It is Figure 3 a partial enlarged schematic view;
[0022] Figure 5 It is a structural schematic view of a plug, a guide seat, a fastener and a clamping piece.
[0023] In the figure: tee barrel 1; first convex wall 2; clamping groove 3; opening 4; main barrel 5; second convex wall 6; clamping block 7; convex seat 8; plug 9; guide seat 10; fastener 11; clamping piece 12. DETAILED DESCRIPTION
[0024] A plastic injection equipment includes a plastic injection barrel assembly, the plastic injection barrel assembly includes a tee barrel 1, the top opening of the tee barrel 1 is used for feeding materials, the channel in the tee barrel 1 is inverted T-shaped, the left end of the tee barrel 1 is an expansion section, integrally formed with a first convex wall 2, the first convex wall 2 is provided with a clamping groove 3, the lower end of the tee barrel 1 is provided with an opening 4, the left end of the tee barrel 1 is attached and communicated with a main barrel 5, the main barrel 5 is a heating section, the left end of the main barrel 5 is fixedly connected with a flange, used for being fixedly connected with an injection head and communicated, the axis of the main barrel 5 is coincident with the axis of the horizontal channel of the tee barrel 1.
[0025] The right end of the outer wall of the main barrel 5 is an expanding section, and a second convex wall 6 is integrally formed on the expanding section. The right end of the second convex wall 6 is fixedly connected with a clamping block 7, the clamping block 7 is fitted in the clamping groove 3, and the freedom of the main barrel 5 relative to the three-way barrel 1 in the circumferential direction is limited. The lower end of the second convex wall 6 is fixedly connected with a convex seat 8. The opening 4 is provided with a plug 9. The left part of the convex seat 8 is slidingly connected with a guide seat 10, the guide seat 10 can only slide along the longitudinal direction of the convex seat 8. The plug 9 and the guide seat 10 are fixed through a fastener 11. The plug 9 is in L-shaped structure. The fastener 11 is a bolt and nut assembly. The head of the bolt abuts against the right end surface of the vertical section of the plug 9, and the nut abuts against the left end of the guide seat 10, so as to limit the axial freedom of the main barrel 5 relative to the three-way barrel 1.
[0026] The top and the right end of the three-way barrel 1 are fixedly connected with a flange respectively. The flange on the right part can be connected with a valve to close the right part of the three-way barrel 1, to form an access hole, or to adaptively connect a heating device.
[0027] When the fastener 11 is loosened, the plug 9 and the guide seat 10 are lowered and separated from the opening 4, and the un-hot-melted plastic particles can be conveniently discharged. The guide seat 10 is still slidingly connected with the convex seat 8. When the guide seat 10 is further lowered and separated from the convex seat 8, the main barrel 5 has axial freedom, and is convenient to maintain after being removed.
[0028] Preferably, the convex seat 8, the plug 9 and the guide seat 10 are inserted with the same clamping member 12. The clamping member 12 can be a magnetic pin. The convex seat 8 can be provided with a hole position which is guided in the front-rear direction, for temporarily placing the removed clamping member 12.
Claims
1. A plastic injection molding apparatus characterized by, The utility model provides a three -way feeding barrel, the left end of three -way feeding barrel (1) is fixed with first convex wall (2), is provided with the clamping groove (3) on first convex wall (2), the lower end of three -way feeding barrel (1) is provided with opening (4), the left end of three -way feeding barrel (1) is pasted and is conducted with main feeding barrel (5), the right end of main feeding barrel (5) outer wall is fixed with second convex wall (6), the right end of second convex wall (6) is fixed with the clamping block (7), and the clamping block (7) is fitted in the clamping groove (3), the lower end of second convex wall (6) is fixed with the boss (8), and opening (4) is provided with the plug (9), and the left part sliding connection of boss (8) has the guide seat (10), and the plug (9) and guide seat (10) are fixed between through fastener (11).
2. The plastic injection molding apparatus of claim 1, wherein the tee The channel in the feeding barrel (1) is inverted T-shaped, and the axis of the main feeding barrel (5) coincides with the axis of the horizontal channel of the three-way feeding barrel (1).
3. The plastic injection molding apparatus of claim 1, wherein, A flange is fixed to the top and the right end of the three-way feeding barrel (1) respectively.
4. The plastic injection molding apparatus of claim 1, wherein, The number of the clamping grooves (3) is at least two and is circumferentially distributed, and the number of the clamping blocks (7) is the same as that of the clamping grooves (3), so that one clamping block (7) is fitted in each clamping groove (3).
5. The plastic injection molding apparatus of claim 1, wherein the tee is The feeding barrel (1) and the main feeding barrel (5) are in surface contact, and the contact surface is a first circular annular region; the first convex wall (2) and the second convex wall (6) are in surface contact, and the contact surface is a second annular region.
6. The plastic injection molding apparatus of claim 1, wherein, After the plug (9) is lowered to be separated from the opening (4), the guide seat (10) is still slidingly connected to the boss (8), and the guide seat (10) can only slide longitudinally along the boss (8).
7. The plastic injection molding apparatus of claim 1, wherein, The upper end surface of the plug (9) forms a complete cylindrical surface with the inner wall of the three-way feeding barrel (1).
8. The plastic injection molding apparatus of claim 3, wherein, The opening (4) is located between the first convex wall (2) and the flange at the right end of the three-way feeding barrel (1), and the plug (9) can completely close the opening (4) when it is in the opening (4).
9. The plastic injection molding apparatus of claim 1, wherein, The plug (9) is L-shaped, the fastener (11) is a bolt and nut assembly, the head of the bolt abuts against the right end surface of the vertical segment of the plug (9), and the nut abuts against the left end of the guide seat (10).
10. The plastic injection molding apparatus of claim 9, wherein, The boss (8), the plug (9) and the guide seat (10) are inserted with the same clamping member (12).