Barrel cover injection mold
By using sliding frame and hydraulic rod-driven push rod insertion through holes in the injection mold, the problem of increasing mold gap caused by guide rod friction is solved, ensuring the accuracy of mold closing and injection molding efficiency.
Patent Information
- Application Number
- CN202421003364.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-10
AI Technical Summary
During the opening and closing process of existing injection molds, the gap increases due to the friction between the guide rod and the mold guide hole, which affects the accuracy of the mold closing.
The support is made of a sliding frame, a fixed mold, a moving mold and a pushing member. The sliding frame of the sliding support is used to make the moving mold close with the fixed mold, and the hydraulic rod is used to push the push rod on the pushing plate into the through hole of the moving mold. Ensure the accuracy of mold closing.
Through the cooperation of the sliding support and the hydraulic rod, the precise combination of mold closing is achieved, ensuring the accuracy of injection molding and product quality.
Smart Images

Figure CN222309642U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection molds, and more specifically to an injection mold for a barrel cover. Background Art
[0002] Oil drum lids or laundry detergent bottle caps are mostly made of plastic. During production, an injection molding machine is used to inject the melted plastic into a mold. After cooling, the injection mold is opened to discharge the molded barrel lid. Injection molds are a common molding mold in the current processing and molding of plastic products.
[0003] The existing announcement number is CN204036762U, and the name is an injection mold, including a base, a fixed mold base plate, a movable mold base plate and a push rod, a rotating mechanism arranged on the base, and a guide sleeve arranged on the base, the fixed mold base plate is installed on the rotating mechanism, a fixed mold is arranged on the fixed mold base plate, a movable mold is arranged at the lower part of the movable mold base plate opposite to the fixed mold, a channel is arranged in the movable mold, the upper part of the channel is against the groove arranged in the movable mold base plate, the push rod is installed in the channel, and a drainage channel is arranged in the push rod, a reset spring is arranged on the push rod passing through the groove, the bottom of the reset spring is against the bottom of the groove, and a fixing block is arranged on the push rod The upper part of the reset spring is against the lower part of the fixed block, a cooling device is provided in the fixed mold base plate, the fixed mold is embedded in the fixed mold base plate and is against the cooling device. When injection molding is required, the ejector rod is tested by pressure at the pressure block so that the ejector rod is pushed into the fixed mold and is against the cavity in the fixed mold. Injection molding is performed by introducing materials at the drainage channel. After injection molding, the reset spring is used for reset, which is convenient for product removal. It has a simple structure, is easy to use and install, is simple to operate, has high injection efficiency, good molding effect, good cooling effect, good product quality, low cost, wide application range, long service life, and has a safe and reliable function.
[0004] However, the above-mentioned injection mold is opened and closed by means of a guide rod. When the guide rod guides the injection mold to open and close, friction occurs between the guide rod and the guide hole of the injection mold. The long-term friction causes the gap between the guide rod and the guide hole of the injection mold to increase, resulting in the inability to ensure accurate closing of the mold during the later mold closing, thereby affecting the accuracy of the mold closing. Utility Model Content
[0005] 1. Technical issues to be solved
[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a barrel cover injection mold, which overcomes the above-mentioned technical defects.
[0007] 2. Technical solution
[0008] To solve the above problems, the utility model adopts the following technical solutions.
[0009] A barrel cover injection mold comprises a support member, a fixed mold, a movable mold and a pusher member, the support member comprises a slide frame, the slide frame is fixedly arranged horizontally, the fixed mold is vertically fixed at one end inside the slide frame, the movable mold is vertically arranged in the slide frame, and both side end faces of the movable mold are fixed with a first slide block, and the first slide block is slidably installed in the slide frame, a plurality of through holes are horizontally penetrated through the movable mold, and a hole plate is fixed inside the through hole of the movable mold at one end away from the fixed mold, and a spring is horizontally fixed on the inner end face of the hole plate, and a support plate is fixed at the other end of the spring, the pusher member is arranged at the other end inside the slide frame, the pusher member comprises a pusher plate, the pusher plate is vertically arranged inside the slide frame, and a plurality of push rods are horizontally fixed on an end face of the pusher plate close to the movable mold, and the plurality of push rods are inserted one by one into the hole plate of the plurality of through holes of the movable mold, a second hydraulic rod is horizontally fixed at one end of the slide frame close to the pusher plate, and the output end of the second hydraulic rod is fixed on the end face of the pusher plate.
[0010] Furthermore, fixing plates are fixed at both ends of the sliding frame, and fixing screws are installed through horizontal threads on the fixing plates, and the fixing screws are used to fix the sliding frame horizontally.
[0011] Furthermore, a first hydraulic rod is horizontally fixed to the end of one end surface of the sliding frame, and an output end of the first hydraulic rod is fixed to the first sliding block.
[0012] Furthermore, second sliders are fixed on both side end surfaces of the push plate, and the second sliders are slidably connected to the slide frame.
[0013] Furthermore, two baffles are symmetrically arranged on the upper and lower sides of the movable mold, and a plurality of rollers are vertically rotatably connected to the two baffles.
[0014] Furthermore, insert plates are horizontally fixed on both upper and lower end surfaces of the fixed mold, and the insert plates are inserted into the two baffle bars.
[0015] 3. Beneficial effects
[0016] Compared with the prior art, the advantages of the present invention are:
[0017] The movable mold in the sliding frame of the sliding support member during use is used to close the movable mold with the fixed mold at one end of the sliding frame, and then the injection molding machine is used to guide the molten plastic into the closed fixed mold and movable mold. After cooling, the movable mold and the fixed mold at one end of the sliding frame are opened, and the second hydraulic rod is started to extend and push the push plate to slide in the sliding frame, so that multiple push rods on the push plate are inserted into the orifice plate of multiple through holes of the movable mold one by one, and the barrel cover in the through hole of the movable mold is pushed out, so that the closing of the fixed mold and the movable mold is guided horizontally in the sliding frame by the first slider, so as to directionally combine the fixed mold and the movable mold, thereby ensuring the accuracy of mold clamping. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 It is a schematic diagram of the structure of the utility model as a whole in a disassembled state;
[0020] Figure 3 It is a schematic structural diagram of the support member in the decomposed state in the implementation of the utility model;
[0021] Figure 4 It is a schematic structural diagram of the movable mold in the decomposed state in the implementation of the utility model;
[0022] Figure 5 It is a schematic structural diagram of the pusher in the disassembled state in the implementation of the utility model.
[0023] Description of the numbers in the figure:
[0024] 1. Support member; 11. Slide frame; 12. Fixed plate; 121. Fixing screw; 13. First hydraulic rod; 14. Second hydraulic rod; 2. Fixed mold; 21. Insert plate; 3. Moving mold; 31. First slider; 32. Through hole; 33. Orifice plate; 34. Support plate; 35. Spring; 36. Baffle bar; 37. Roller; 4. Pushing member; 41. Pushing plate; 42. Second slider; 43. Push rod. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.
[0026] See also Figure 1-5A barrel cover injection mold comprises a support member 1, a fixed mold 2, a movable mold 3 and a pusher 4, the support member 1 comprises a slide frame 11, the slide frame 11 is fixedly arranged horizontally, the fixed mold 2 is vertically fixed at one end inside the slide frame 11, the movable mold 3 is vertically arranged in the slide frame 11, and both side end surfaces of the movable mold 3 are fixed with first sliders 31, and the first slider 31 is slidably installed in the slide frame 11, a plurality of through holes 32 are horizontally penetrated on the movable mold 3, and a hole plate 33 is fixed at one end of the through hole 32 of the movable mold 3 away from the fixed mold 2, and a spring 35 is horizontally fixed on the inner end surface of the hole plate 33, and a support plate 34 is fixed at the other end of the spring 35, and the pusher 4 is arranged at the other end inside the slide frame 11, the pusher 4 comprises a pusher plate 41, the pusher plate 41 is vertically arranged inside the slide frame 11, and a plurality of push rods 43 are horizontally fixed on one end surface of the pusher plate 41 close to the movable mold 3, and the plurality of push rods 43 are inserted into the plurality of push rods 43 one by one. In the orifice plate 33 of the through hole 32, a second hydraulic rod 14 is horizontally fixed at one end of the slide frame 11 close to the push plate 41, and the output end of the second hydraulic rod 14 is fixed on the end surface of the push plate 41. The movable mold 3 in the slide frame 11 of the sliding support member 1 is used to close the movable mold 3 and the fixed mold 2 at one end of the slide frame 11, and then the molten plastic is guided to the closed fixed mold 2 and the movable mold 3 by the injection molding machine. After cooling, the movable mold 3 and the fixed mold 2 at one end of the slide frame 11 are opened, and the second hydraulic rod 14 is started to extend and push the push plate 41 to slide in the slide frame 11, so that the multiple push rods 43 on the push plate 41 are inserted into the orifice plate 33 of the multiple through holes 32 of the movable mold 3 one by one, and the barrel cover in the through hole 32 of the movable mold 3 is pushed out, so that the closing of the fixed mold 2 and the movable mold 3 is guided horizontally by the first slider 31 in the slide frame 11, so as to directionally combine the fixed mold 2 and the movable mold 3, and ensure the accuracy of mold clamping.
[0027] See also Figure 3 A fixing plate 12 is fixed at both ends of the sliding frame 11, and a fixing screw 121 is installed through a horizontal thread on the fixing plate 12, and the fixing screw 121 is used to horizontally fix the sliding frame 11. During use, the fixing plates 12 at both ends of the sliding frame 11 are fixedly connected by the fixing screws 121.
[0028] See also Figure 2 and Figure 3 A first hydraulic rod 13 is horizontally fixed to one end of the end face of the slide frame 11, and the output end of the first hydraulic rod 13 is fixed to the first slider 31. The first hydraulic rod 13 is started to extend and push the first slider 31 on the movable mold 3 to slide horizontally in the slide frame 11, which is convenient for later opening and closing of the mold.
[0029] See also Figure 3 and Figure 5A second slider 42 is fixed on both side end surfaces of the push plate 41, and the second slider 42 is slidably connected to the slide frame 11. The second slider 42 on the push plate 41 slides on the slide frame 11, and moves horizontally to guide the mold to be formed.
[0030] See also Figure 3 and Figure 4 Two baffle bars 36 are symmetrically arranged on the upper and lower sides of the movable mold 3, and a plurality of rollers 37 are vertically rotatably connected to the two baffle bars 36. Insert plates 21 are horizontally fixed on the upper and lower end surfaces of the fixed mold 2, and the insert plates 21 are inserted into the two baffle bars 36. When the fixed mold 2 and the movable mold 3 are closed during use, the insert plates 21 at the upper and lower ends of the fixed mold 2 are inserted into the two baffle bars 36, and the guide limit under the rotation guide of the roller 37 ensures the accuracy of the closing of the fixed mold 2 and the movable mold 3.
[0031] When in use, the movable mold 3 in the slide frame 11 of the sliding support 1 is slid so that the movable mold 3 and the fixed mold 2 at one end of the slide frame 11 are closed together, and then the molten plastic is guided to the closed fixed mold 2 and the movable mold 3 by the injection molding machine. After cooling, the movable mold 3 and the fixed mold 2 at one end of the slide frame 11 are opened, and the second hydraulic rod 14 is started to extend and push the push plate 41 to slide in the slide frame 11, so that the multiple push rods 43 on the push plate 41 are inserted into the orifice plate 33 of the multiple through holes 32 of the movable mold 3 one by one, and the barrel cover in the through holes 32 of the movable mold 3 is pushed out.
[0032] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.
Claims
1. A barrel cover injection mold, characterized in that: The invention comprises a support member (1), a fixed mold (2), a movable mold (3) and a pusher (4), wherein the support member (1) comprises a slide frame (11), wherein the slide frame (11) is fixedly arranged horizontally, the fixed mold (2) is vertically fixed at one end inside the slide frame (11), the movable mold (3) is vertically arranged in the slide frame (11), and first sliders (31) are fixed to both side end surfaces of the movable mold (3), and the first sliders (31) are slidably installed in the slide frame (11), a plurality of through holes (32) are horizontally penetrated on the movable mold (3), and a hole plate (33) is fixed at one end of the through hole (32) of the movable mold (3) away from the fixed mold (2), and the inner end surface of the hole plate (33) A spring (35) is fixed horizontally, and a support plate (34) is fixed to the other end of the spring (35). The pusher (4) is arranged at the other end inside the slide frame (11). The pusher (4) includes a pusher plate (41). The pusher plate (41) is vertically arranged inside the slide frame (11), and a plurality of push rods (43) are horizontally fixed on an end surface of the pusher plate (41) close to the movable mold (3). The plurality of push rods (43) are inserted one by one into the orifice plate (33) of the plurality of through holes (32) of the movable mold (3). A second hydraulic rod (14) is horizontally fixed to an end of the slide frame (11) close to the pusher plate (41), and the output end of the second hydraulic rod (14) is fixed on the end surface of the pusher plate (41).
2. The barrel cover injection mold according to claim 1, characterized in that: Both ends of the sliding frame (11) are fixed with fixing plates (12), and fixing screws (121) are installed through horizontal threads on the fixing plates (12), and the fixing screws (121) are used to horizontally fix the sliding frame (11).
3. The barrel cover injection mold according to claim 1, characterized in that: A first hydraulic rod (13) is horizontally fixed to the end of one end surface of the slide frame (11), and the output end of the first hydraulic rod (13) is fixed to the first sliding block (31).
4. The barrel cover injection mold according to claim 1, characterized in that: Second sliding blocks (42) are fixed on both side end surfaces of the push plate (41), and the second sliding blocks (42) are slidably connected in the sliding frame (11).
5. The barrel cover injection mold according to claim 1, characterized in that: Two baffle bars (36) are symmetrically arranged on the upper and lower sides of the movable mold (3), and a plurality of rollers (37) are vertically rotatably connected to the two baffle bars (36).
6. The barrel cover injection mold according to claim 5, characterized in that: Insertion plates (21) are horizontally fixed on both upper and lower end surfaces of the fixed mold (2), and the insertion plates (21) are inserted into two blocking bars (36).
Citation Information
Patent Citations
Injection molding mold
CN204036762U