Rubber passing ring of injection molding machine
By introducing a combined design of a support shell, a connecting sleeve, a limit support plate and a locking connecting rod into the rubber ring of the injection molding machine, the displacement and rotation problems of the rubber ring during installation are solved, achieving higher stability and convenience.
Patent Information
- Application Number
- CN202422632117.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-10-30
AI Technical Summary
The existing rubber ring of the injection molding machine is easy to move and rotate after installation, affecting the stability.
An injection molding machine rubber ring is designed, which includes a supporting shell, a connecting sleeve, a limiting support plate and a locking connecting rod. The combined structure of the concave fixing groove, the locking groove and the rubber coating layer is used to increase the installation stability, and reinforcement pads and reinforcement wires are used for reinforcement.
The installation stability and disassembly convenience of the rubber ring are improved, ensuring the stability and reliability of the rubber ring during use.
Smart Images

Figure CN223369891U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rubber rings, and more specifically, to a rubber ring for an injection molding machine. Background Art
[0002] The function of the rubber ring is to prevent backflow. It is a part that prevents the plastic melt from leaking backward during injection. The rubber ring contacts the rubber meson or rubber gasket to form a closed structure to prevent the plastic melt from leaking. It is one of the important components on the injection molding machine. For example, the patent technology of prior art announcement No. CN217414698U discloses a rubber ring with a long service life for injection molding machines, including a protective sleeve, a connecting sleeve is provided on the inner side of the protective sleeve, a rubber coating layer is provided between the connecting sleeve and the protective sleeve, a rubber ring is provided on the inner side of the connecting sleeve, a rubber hole is provided inside the rubber ring, a plug-in plate is provided on the periphery of the rubber ring, and a plug-in groove is provided on the inner side of the connecting sleeve.
[0003] When the above device is in use, the personnel inserts the plug-in plate on the outside of the rubber ring into the plug-in groove inside the connecting sleeve through the plug-in plate, the plug-in groove and the rubber layer, so that the rubber ring and the connecting sleeve can be fixedly spliced and easy to disassemble. The rubber layer can make the connecting sleeve middle tube and the protective sleeve tightly connected to improve stability. However, after the installation is completed, the connecting sleeve and the rubber ring are prone to displacement and rotation inside the protective sleeve, which can easily affect the stability of the rubber ring installation. Utility Model Content
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an injection molding machine rubber ring. The technical problem to be solved by the utility model is: how to increase the stability of the installation of the rubber ring body.
[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: an injection molding machine rubber ring, comprising a support shell, an outer end surface of which is provided with a concave fixing groove, an upper end surface of the support shell is provided with a concave locking groove, an inner end surface of the support shell is provided with a second rubber coating layer, an inner end surface of the second rubber coating layer is provided with a connecting sleeve, and an inner end surface of the connecting sleeve is provided with a rubber ring body;
[0006] A glue hole is provided inside the rubber ring body, a limit support plate is provided on the outer end face of the rubber ring body, a locking connecting rod is provided on one side of the upper end of the limit support plate, and a limit installation groove is provided on the inner end face of the connecting sleeve.
[0007] In a preferred embodiment, a reinforcement pad is provided on the inner end surface of the concave fixing groove, a reinforcement wire is provided inside the reinforcement pad, and a first rubber coating layer is provided on the inner end surface of the reinforcement pad;
[0008] The reinforcement pad is made of polyurethane foam rubber material, and the inner end surface of the reinforcement pad is adapted to the outer end surface of the concave fixing groove.
[0009] In a preferred embodiment, the first adhesive layer and the second adhesive layer are both silicone structural adhesives, and the number of the reinforcement wires is multiple and arranged in an array on both sides of the transverse central axis in the main viewing direction of the reinforcement pad;
[0010] The reinforcing wire is made of galvanized steel wire material, and the reinforcing wire is arranged in a ring state when viewed from above.
[0011] In a preferred embodiment, the concave locking grooves are provided in a plurality and are arranged in a circular array outside the center point of the support housing in a top view direction;
[0012] The upper end surface of the connecting sleeve in the main viewing direction is arranged in a coplanar state with the lower end surface inside the concave locking groove.
[0013] In a preferred embodiment, the inner end surface of the support shell and the cross section of the connecting sleeve in the main viewing direction are both arranged in an inclined state;
[0014] The inner end surface of the supporting shell is matched with the outer end surface of the connecting sleeve. There are multiple limit installation grooves, which are arranged in a circular array outside the center point of the connecting sleeve in the top view direction.
[0015] In a preferred embodiment, the number of the limiting support plate and the locking connecting rod is multiple, and they are arranged in a circular array outside the center point of the rubber ring body in the top view direction;
[0016] The inner end surface of the position-limiting installation groove is matched with the outer end surface of the position-limiting support plate and the locking connecting rod, and the inner end surface of the concave locking groove is matched with the outer end surface of the locking connecting rod through snap connection.
[0017] The technical effects and advantages of this utility model are:
[0018] When the utility model is actually used, the corresponding setting state of the connecting sleeve, the rubber ring body, the limiting support plate and the limiting installation groove can effectively increase the stability and convenience of the installation of the rubber ring body, and the rubber ring body can also be conveniently disassembled and repaired. At the same time, under the corresponding setting state of the concave locking groove and the locking connecting rod, the rubber ring body can be effectively and conveniently locked and fixed, and the stability of the installation of the rubber ring body can be increased. At the same time, under the corresponding setting state of the reinforcement pad and the reinforcement wire, the support shell can be reinforced and protected by the reinforcement wire and the reinforcement pad. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1It is a schematic diagram of the overall structure of the utility model.
[0020] Figure 2 It is a schematic diagram of the overall bottom structure of the utility model.
[0021] Figure 3 This is a schematic diagram of the overall main cross-sectional structure of the utility model.
[0022] Figure 4 It is a schematic diagram of the overall cross-section connection structure of the utility model.
[0023] The figures are marked as: 1 supporting shell, 2 reinforcing pad, 3 concave locking groove, 4 connecting sleeve, 5 rubber ring body, 6 limiting support plate, 7 glue hole, 8 limiting installation groove, 9 concave fixing groove, 10 reinforcing wire, 11 first rubber coating layer, 12 second rubber coating layer, 13 locking connecting rod. DETAILED DESCRIPTION
[0024] The utility model provides a rubber ring for an injection molding machine, such as Figure 1 and 2 As shown, it includes a support shell 1, the outer end surface of which is provided with a concave fixing groove 9, the upper end surface of the support shell 1 is provided with a concave locking groove 3, the inner end surface of the connecting sleeve 4 is provided with a rubber ring body 5, and the outer end surface of the rubber ring body 5 is provided with a limit support plate 6;
[0025] The inner end surface of the concave fixing groove 9 is provided with a reinforcement pad 2, which is made of polyurethane foam rubber material. The reinforcement pad 2 can protect and reinforce the support shell 1. The number of the concave locking grooves 3 is provided in a plurality and is arranged in a circular array outside the center point of the support shell 1 in the top view direction;
[0026] The upper end face of the connecting sleeve 4 in the main viewing direction is coplanar with the lower end face inside the concave locking groove 3. The inner end face of the supporting shell 1 and the cross-section of the connecting sleeve 4 in the main viewing direction are both inclined. The inner end face of the supporting shell 1 is adapted to the outer end face of the connecting sleeve 4, which facilitates the installation and fixation of the connecting sleeve 4.
[0027] like Figure 3 and 4 As shown, the inner end surface of the support shell 1 is provided with a second rubber coating layer 12, the inner end surface of the second rubber coating layer 12 is provided with a connecting sleeve 4, the inside of the rubber ring body 5 is provided with a rubber hole 7, one side of the upper end of the limiting support plate 6 is provided with a locking connecting rod 13, and the inner end surface of the connecting sleeve 4 is provided with a limiting mounting groove 8;
[0028] The interior of the reinforcement pad 2 is provided with a reinforcement wire 10, and the inner end surface of the reinforcement pad 2 is provided with a first adhesive layer 11. The inner end surface of the reinforcement pad 2 is adapted to the outer end surface of the concave fixing groove 9. The first adhesive layer 11 and the second adhesive layer 12 are both silicone structural adhesives. There are multiple reinforcement wires 10, and they are arranged in an array on both sides of the transverse central axis of the main viewing direction of the reinforcement pad 2;
[0029] The reinforcing wire 10 is made of galvanized steel wire material, and the reinforcing wire 10 is arranged in a ring state in the top view direction. The number of the limiting installation grooves 8 is provided in a plurality, and is arranged in a ring array state outside the center point of the connecting sleeve 4 in the top view direction;
[0030] The number of the limiting support plates 6 and the locking connecting rods 13 are both provided in plurality, and are arranged in a circular array on the outside of the center point of the rubber ring body 5 in the top view direction. The inner end face of the limiting mounting groove 8 is adapted to the outer end face of the limiting support plate 6 and the locking connecting rod 13, and the limiting support plate 6 and the locking connecting rod 13 can be conveniently inserted into the interior of the limiting mounting groove 8, thereby effectively increasing the stability of the installation of the rubber ring body 5. The inner end face of the concave locking groove 3 is adapted to the outer end face of the locking connecting rod 13 through snap connection.
[0031] Working principle of this utility model:
[0032] When using the present invention, the staff installs the second rubber coating layer 12 inside the supporting shell 1, and then installs the connecting sleeve 4 on the outer end face of the rubber ring body 5. Then the staff can install the connecting sleeve 4 on the inner side of the second rubber coating layer 12. Then the staff can insert the locking connecting rod 13 into the inside of the concave locking groove 3, and lock the locking connecting rod 13 with the concave locking groove 3, and then the rubber ring body 5 can be used.
[0033] Finally, a few points should be explained: the drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.
[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. An injection molding machine rubber ring, characterized in that: include: The outer end surface of the support shell (1) is provided with a concave fixing groove (9), the upper end surface of the support shell (1) is provided with a concave locking groove (3), the inner end surface of the support shell (1) is provided with a second rubber coating layer (12), the inner end surface of the second rubber coating layer (12) is provided with a connecting sleeve (4), and the inner end surface of the connecting sleeve (4) is provided with a rubber ring body (5); A rubber hole (7) is provided inside the rubber ring body (5), a limit support plate (6) is provided on the outer end face of the rubber ring body (5), a locking connecting rod (13) is provided on one side of the upper end of the limit support plate (6), and a limit installation groove (8) is provided on the inner end face of the connecting sleeve (4).
2. The rubber ring for injection molding machine according to claim 1, characterized in that: The inner end surface of the concave fixing groove (9) is provided with a reinforcing pad (2), the interior of the reinforcing pad (2) is provided with a reinforcing wire (10), and the inner end surface of the reinforcing pad (2) is provided with a first rubber coating layer (11); The reinforcement pad (2) is made of polyurethane foam rubber material, and the inner end surface of the reinforcement pad (2) is adapted to the outer end surface of the concave fixing groove (9).
3. The rubber ring for injection molding machine according to claim 2, characterized in that: The first adhesive layer (11) and the second adhesive layer (12) are both silicone structural adhesives, and the number of the reinforcing wires (10) is set to be multiple, and they are arranged in an array state on both sides of the transverse central axis of the reinforcing pad (2) in the main viewing direction; The reinforcing wire (10) is made of a galvanized steel wire material, and the reinforcing wire (10) is arranged in a ring state when viewed from above.
4. The rubber ring for injection molding machine according to claim 1, characterized in that: The concave locking grooves (3) are provided in a plurality and are arranged in a circular array outside the center point of the supporting shell (1) in a top-view direction; The upper end surface of the connecting sleeve (4) in the main viewing direction is arranged in a coplanar state with the lower end surface inside the concave locking groove (3).
5. The rubber ring for injection molding machine according to claim 1, characterized in that: The inner end surface of the supporting shell (1) and the connecting sleeve (4) are both arranged in an inclined state in cross-section in the main viewing direction; The inner end surface of the support shell (1) is adapted to the outer end surface of the connecting sleeve (4), and the position-limiting mounting grooves (8) are provided in a plurality and are arranged in a circular array outside the center point of the connecting sleeve (4) in a top-view direction.
6. The rubber ring for injection molding machine according to claim 1, characterized in that: The number of the position-limiting support plates (6) and the locking connecting rods (13) is plural, and they are arranged in a circular array outside the center point of the rubber ring body (5) in the top view direction; The inner end surface of the position-limiting installation groove (8) is matched with the outer end surfaces of the position-limiting support plate (6) and the locking connecting rod (13), and the inner end surface of the concave locking groove (3) is matched with the outer end surface of the locking connecting rod (13) through snap connection.
Citation Information
Patent Citations
Glue passing ring with long service life for injection molding machine
CN217414698U