Injection-molded elastic grinding block and injection-molding production plant
By using injection-molded elastic abrasive blocks and automated equipment, the problems of volatile organic compound release and time-consuming adhesion in traditional elastic abrasive block production have been solved, achieving a highly efficient and stable production process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- MONTE-BIANCO DIAMOND APPL CO LTD
- Filing Date
- 2025-09-01
- Publication Date
- 2026-08-04
AI Technical Summary
Traditional elastic grinding block production processes release significant amounts of volatile organic compounds and potentially harmful gases, and the bonding process is time-consuming, costly, and results in a low yield rate.
The design integrates the working blade, elastic pad, and elastic bracket into one piece through injection molding. Combined with automated equipment, this reduces the use of adhesives and improves connection stability and production efficiency.
It reduces the release of volatile organic compounds and harmful gases, improves production efficiency and yield, and enhances connection stability.
Smart Images
Figure CN224587825U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of injection molding production technology, and in particular to elastic grinding blocks for injection molding and injection molding production equipment. Background Technology
[0002] The common preparation method of elastic grinding blocks is as follows: the working head, elastic seat and elastic rubber pad are formed separately, the burrs on the working head formed by hot pressing are removed, and then the working head, elastic seat and elastic rubber pad are bonded together with adhesive and pressed on the whole air press to complete the assembly.
[0003] In related technologies, traditional elastic grinding blocks have the following problems in their production process: multiple steps in the production process release volatile organic compounds (VOCs) or potentially harmful gases, especially in the process of using adhesives to bond the working head, elastic rubber pad, and elastic chuck, where the release of VOCs or potentially harmful gases is particularly serious; the bonding and pneumatic pressing processes between the working head, elastic chuck, and elastic rubber pad are time-consuming, costly, and have a low yield rate for manual bonding. Utility Model Content
[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes an injection-molded elastic grinding block, which helps to reduce the generation of volatile organic compounds or potentially harmful gases, and has a higher yield rate.
[0005] This utility model also proposes an injection molding production equipment.
[0006] The first aspect of this utility model provides an injection-molded elastic grinding block, comprising: a working cutter head, including a connecting piece and a plurality of toothed blocks arranged in a plurality of rows, the plurality of toothed blocks being connected to the connecting piece and arranged at intervals along the connecting piece; an elastic pad, the working cutter head being embedded in one end of the elastic pad, one end of the elastic pad covering the connecting piece and the connection between the toothed blocks and the connecting piece; and an elastic retainer, the other end of the elastic pad being connected to the elastic retainer, the elastic retainer covering the other end of the elastic pad; wherein the working cutter head, the elastic pad, and the elastic retainer are injection-molded together as a single unit.
[0007] The injection-molded elastic grinding block according to the embodiments of this utility model has at least the following beneficial effects: the working cutter head is embedded in one end of the elastic pad, and one end of the elastic pad covers the connecting piece and the connecting piece is connected to the tooth block, that is, the connecting piece is completely embedded in the elastic pad. Through the integral injection molding of the working cutter head and the elastic pad, the connection stability between the working cutter head and the elastic pad can be improved. The elastic retainer covers the other end of the elastic pad to improve the connection stability between the elastic retainer and the elastic pad. The working cutter head, elastic pad and elastic retainer of the injection-molded elastic grinding block are integrally connected by injection molding, which can improve the connection stability of the working cutter head, elastic pad and elastic retainer, and can reduce the volatile organic compounds or potentially harmful gases generated in the process of using adhesives to bond the working cutter head, elastic pad and elastic retainer. Moreover, it can be injection molded using automated equipment, which can improve production efficiency and yield.
[0008] According to some embodiments of the present invention, the other end of the elastic pad is provided with a plurality of strips arranged in a row, and the elastic seat has a plurality of slots, with the strips being embedded in the slots one by one.
[0009] According to some embodiments of the present invention, the end of the elastic card holder facing away from the elastic rubber pad is provided with a surrounding piece, a plurality of first ribs arranged in an arrangement, and a plurality of second ribs arranged in an arrangement. The first ribs and the second ribs are arranged alternately and connected. The surrounding piece is arranged around the first ribs and the second ribs and is connected to the first ribs and the second ribs.
[0010] The injection molding production equipment of the second aspect of this utility model is used for injection molding production of elastic grinding blocks. The elastic grinding blocks include a working cutter head, an elastic pad, and an elastic retainer. The working cutter head has a plurality of teeth arranged in a row. The injection molding production equipment includes a moving mold base and a fixed mold base. The moving mold base has a first groove facing the fixed mold base. The wall surface of the first groove away from the fixed mold base has multiple toothed grooves. The working cutter head can be embedded in the first groove as an insert. The toothed grooves are configured to engage with the toothed blocks of the working cutter head. The fixed mold base has a first molding groove and a second molding groove. The first insert can dock with the first molding groove to jointly form a first molding cavity. The first molding cavity is used for injection molding an elastic pad integrally connected with the working cutter head, and the working cutter head is embedded in one end of the elastic pad. One end of the elastic pad at least partially covers the tooth block. The first insert can dock with the second molding groove to jointly form a second molding cavity. The second molding cavity is used for injection molding an elastic retainer integrally connected with the elastic pad, and the other end of the elastic pad is connected to the elastic retainer. The elastic retainer covers the other end of the elastic pad.
[0011] According to some embodiments of the present invention, the wall surface of the first forming groove away from the moving mold base has multiple first straight grooves arranged at intervals, so that the other end of the elastic pad is formed with multiple clips arranged in a row.
[0012] According to some embodiments of the present invention, the wall surface of the second forming groove away from the moving mold base is provided with a plurality of second straight grooves and a plurality of third straight grooves arranged in an arrangement. The second straight grooves and the third straight grooves are arranged in a cross pattern and are connected, so that the elastic card seat forms a first rib corresponding to the second straight groove and a second rib corresponding to the third straight groove.
[0013] According to some embodiments of the present invention, the wall surface of the second forming groove away from the moving mold base has a surrounding groove, which surrounds and communicates with the second straight groove and the third straight groove, so that the elastic card seat forms a surrounding piece corresponding to the surrounding groove.
[0014] According to some embodiments of the present invention, the first forming groove and the second forming groove are located on the same circular rotation trajectory.
[0015] According to some embodiments of the present invention, a rotary drive assembly is also included to drive the moving mold base to rotate relative to the fixed mold base, so that the first groove can dock with the first forming groove or the second forming groove. And / or, it also includes a lifting drive assembly connected to the moving mold base to drive the moving mold base to close or separate relative to the fixed mold base.
[0016] According to some embodiments of the present invention, the fixed mold base is provided with a first injection channel communicating with the first molding groove and a second injection channel communicating with the second molding groove.
[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein: Figure 1 This is a schematic diagram of the structure of an injection-molded elastic grinding block (elastic retainer omitted) according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the injection-molded elastic grinding block (elastic retainer omitted) according to another embodiment of the present invention; Figure 3 This is a schematic diagram of the structure of an injection-molded elastic grinding block according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the injection-molded elastic grinding block according to an embodiment of the present invention from another perspective. Figure 5 for Figure 3 The image shows a cross-sectional view of an injection-molded elastic abrasive block. Figure 6 for Figure 3 An exploded view of an injection-molded elastic abrasive block is shown in the image. Figure 7 for Figure 3 An exploded view of the injection-molded elastic abrasive block shown in the image; Figure 8 This is a schematic diagram of the structure of the moving mold base of the guiding and collecting device according to an embodiment of the present invention; Figure 9 This is a schematic diagram of the structure of the fixed mold base of the guiding and collecting device according to an embodiment of the present invention; Figure 10 This is a cross-sectional view of the guiding and collecting device according to an embodiment of the present invention before injection molding; Figure 11 This is a cross-sectional view of the guiding and collecting device according to an embodiment of the present invention after injection molding.
[0019] Icon labels: 100. Working cutter head; 110. Connecting plate; 120. Tooth block; 200. Elastic rubber pad; 210. Clip strip; 300, Flexible card holder; 310, Card slot; 320, Surrounding piece; 330, First rib; 340, Second rib; 400. Moving mold base; 410. First groove; 411. Tooth groove; 500, fixed mold base; 510, first molding groove; 511, first straight groove; 520, second molding groove; 521, surrounding groove; 522, second straight groove; 523, third straight groove; 530, first injection channel; 540, second injection channel. Detailed Implementation
[0020] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0021] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, etc., are based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0022] In the description of this utility model, "multiple" refers to two or more. The use of "first" and "second" is for distinguishing technical features only and should not be construed as indicating or implying relative importance, or implicitly indicating the number of technical features or their sequential relationship.
[0023] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.
[0024] Reference Figures 1 to 11 As shown, an injection-molded elastic grinding block according to an embodiment of the present invention includes a working cutter head 100, an elastic pad 200, and an elastic retainer 300.
[0025] Reference Figure 3 and Figure 4 As shown, the working cutter head 100 has a connecting piece 110 and a plurality of toothed blocks 120 arranged in a row. The plurality of toothed blocks 120 are all connected to the connecting piece 110 and are arranged at intervals along one of the surfaces of the connecting piece 110. The toothed blocks 120 are used to provide friction for other workpieces to be processed.
[0026] Reference Figure 1 , Figure 2 and Figure 3 As shown, the working cutter head 100 is embedded in one end of the elastic rubber pad 200. One end of the elastic rubber pad 200 covers the connecting piece 110 and the connection between the toothed block 120 and the connecting piece 110. That is, the connecting piece 110 is completely embedded in the elastic rubber pad 200, and the elastic rubber pad 200 at least partially covers the toothed block 120 to improve the covering effect of the elastic rubber pad 200 on the working cutter head 100 and improve the connection stability between the elastic rubber pad 200 and the working cutter head 100.
[0027] Reference Figure 3 , Figure 4 and Figure 5 As shown, the other end of the elastic pad 200 is connected to the elastic bracket 300, and the elastic bracket 300 is provided to cover the other end of the elastic pad 200; wherein, the working cutter head 100, the elastic pad 200 and the elastic bracket 300 are injection molded into one piece.
[0028] Reference Figure 5 , Figure 6 and Figure 7As shown, compared to the traditional structure that uses adhesives to bond the working cutter head 100, elastic pad 200, and elastic retainer 300, the working cutter head 100, elastic pad 200, and elastic retainer 300 of this injection-molded elastic grinding block are connected as one piece through injection molding. This can improve the connection stability of the working cutter head 100, elastic pad 200, and elastic retainer 300, and can reduce the volatile organic compounds or potentially harmful gases generated in the process of using adhesives to bond the working cutter head 100, elastic pad 200, and elastic retainer 300. Furthermore, it can be injection molded using automated equipment, which can improve production efficiency and yield.
[0029] Reference Figure 1 and Figure 2 As shown, it can be understood that the other end of the elastic pad 200 is provided with a plurality of strips 210 arranged in a row. The plurality of strips 210 are arranged in a row along the width direction of the elastic pad 200. The elastic seat 300 has a plurality of slots 310, and the strips 210 are embedded in the slots 310 one by one.
[0030] Reference Figure 1 and Figure 2 As shown, the elastic pad 200 can be engaged one-to-one with the multiple slots 310 of the elastic card holder 300 through multiple locking strips 210, so as to realize the interlocking of the elastic pad 200 and the elastic card holder 300, thereby increasing the contact area between the elastic pad 200 and the elastic card holder 300, and thus improving the connection stability between the elastic pad 200 and the elastic card holder 300, which is beneficial to restricting the movement and separation of the elastic pad 200 and the elastic card holder 300 along the width direction of the elastic pad 200.
[0031] Reference Figure 4 , Figure 5 and Figure 7 As shown, it can be understood that the end of the elastic card holder 300 facing away from the elastic pad 200 is provided with a surrounding piece 320, a plurality of first ribs 330 arranged in a row, and a plurality of second ribs 340 arranged in a row. The first ribs 330 and the second ribs 340 are arranged alternately and connected. The surrounding piece 320 is arranged around the first ribs 330 and the second ribs 340 and is connected to the first ribs 330 and the second ribs 340.
[0032] Reference Figure 4 , Figure 5 and Figure 7 As shown, the surrounding piece 320 is arranged around the first rib 330 and the second rib 340 and is connected to the first rib 330 and the second rib 340. Multiple hollow parts can be formed between the first rib 330, the second rib 340 and the surrounding piece 320, which can reduce the material consumption of the elastic card holder 300 and improve the overall strength and stability of the end of the elastic card holder 300 facing away from the elastic pad 200.
[0033] Reference Figures 8 to 11 As shown, an embodiment of the injection molding production equipment of this utility model is used for injection molding production of elastic abrasive blocks. This injection molding production equipment can be used to produce injection-molded elastic abrasive blocks as shown in any of the above embodiments. Specifically, the injection-molded elastic abrasive block includes a working cutter head 100, an elastic pad 200, and an elastic retainer 300. The working cutter head 100 has a connecting piece 110 and a plurality of toothed blocks 120 connected to the connecting piece 110 and arranged in an array. Specifically, the injection molding production equipment includes a lifting drive assembly, a moving mold base 400, and a moving mold base 400.
[0034] Reference Figure 8 , Figure 9 and Figure 10 As shown, the moving mold base 400 has a first groove 410 facing the fixed mold base 500. The wall surface of the first groove 410 away from the fixed mold base 500 has a plurality of toothed grooves 411. The working cutter head 100 can be embedded in the first groove 410 as an insert. The toothed grooves 411 are configured to engage with the toothed block 120 of the working cutter head 100. Reference Figure 8 , Figure 9 and Figure 10 As shown, during production, the user can pre-form the working cutter head 100 through a hot pressing process and place the working cutter head 100 as an insert into the first insert groove 410 so that the multiple tooth blocks 120 of the working cutter head 100 respectively engage with the multiple tooth grooves 411 in the first insert groove 410, thereby assisting in the positioning and connection of the working cutter head 100 and the moving mold base 400.
[0035] Reference Figure 8 , Figure 9 and Figure 10 As shown, the fixed mold base 500 has a first molding groove 510 and a second molding groove 520. The lifting drive assembly is connected to the moving mold base 400 to drive the moving mold base 400 to move closer to or further away from the fixed mold base 500, so that the first groove 410 of the moving mold base 400 can be docked with the first molding groove 510 or the second molding groove 520 respectively.
[0036] Reference Figure 1 , Figure 2 and Figure 10As shown, when the first groove 410 and the first molding groove 510 are aligned, they together form a first molding cavity. The first molding cavity is used for injection molding of an elastic pad 200 integrally connected with the working cutter head 100. Molten elastic pad material is injected into the first molding cavity to form an elastic pad 200 integrally connected with the working cutter head 100, and the working cutter head 100 is embedded in one end of the elastic pad 200. One end of the elastic pad 200 at least partially covers the tooth block 120. Through the integral injection molding of the working cutter head 100 and the elastic pad 200, the connection stability between the working cutter head 100 and the elastic pad 200 can be improved. The elastic retainer 300 covers the other end of the elastic pad 200 to improve the connection stability between the elastic retainer 300 and the elastic pad 200.
[0037] Reference Figure 3 , Figure 4 and Figure 10 As shown, when the first groove 410 and the second molding groove 520 are aligned, they together form a second molding cavity. The second molding cavity is used for injection molding of an elastic retainer 300 integrally connected with the elastic pad 200. Molten elastic retainer material is injected into the second molding cavity to form an elastic retainer 300 integrally connected with the elastic pad 200, so that the other end of the elastic pad 200 is connected to the elastic retainer 300. The elastic retainer 300 is provided to cover the other end of the elastic pad 200 to improve the connection stability between the elastic retainer 300 and the elastic pad 200.
[0038] Reference Figure 5 , Figure 6 and Figure 10 As shown, this injection molding production equipment, through continuous injection molding, allows the working cutter head 100, elastic pad 200, and elastic retainer 300 to be connected as a single unit via injection molding. This improves the connection stability of the working cutter head 100, elastic pad 200, and elastic retainer 300, and reduces the volatile organic compounds or potentially harmful gases generated in the process of using adhesives to bond the working cutter head 100, elastic pad 200, and elastic retainer 300. Furthermore, by using automated equipment for injection molding, production efficiency and yield can be improved.
[0039] Reference Figure 8 , Figure 9 and Figure 10 As shown, it can be understood that the wall surface of the first molding groove 510 away from the moving mold base 400 has multiple first straight grooves 511 arranged at intervals, so that the other end of the elastic pad 200 is formed with multiple strips 210 arranged in a row.
[0040] Reference Figure 8 , Figure 9 and Figure 10As shown, when the first groove 410 and the first molding groove 510 are connected, they can jointly form a first molding cavity. After molten elastic pad material is injected into the first molding cavity, the molten elastic pad material can form a shape that matches the first molding cavity. The molten elastic pad material can flow into multiple first straight grooves 511 to form a retaining strip 210 that matches the multiple first straight grooves 511. After cooling and solidification, the elastic pad 200 is integrally connected with the working cutter head 100.
[0041] Reference Figure 8 , Figure 9 and Figure 11 As shown, the user can move the integrally connected elastic pad 200 and working head 100 into the second molding cavity formed by the first groove 410 and the second molding groove 520. After injecting molten elastic card seat material into the second molding cavity, the molten elastic card seat material can fill the second molding cavity. The molten elastic card seat material can flow into the gap between multiple card strips 210 to form a card groove 310 that fits into the multiple card strips 210. After cooling and shaping, the elastic card seat 300 integrally connected with the elastic pad 200 is formed.
[0042] Reference Figure 8 , Figure 9 and Figure 10 As shown, the formed elastic pad 200 can be engaged one-to-one with the multiple slots 310 of the elastic card seat 300 through multiple locking strips 210, so as to realize the engagement between the elastic pad 200 and the elastic card seat 300, thereby increasing the contact area between the elastic pad 200 and the elastic card seat 300, and thus improving the connection stability between the elastic pad 200 and the elastic card seat 300, which is beneficial to restricting the movement and separation of the elastic pad 200 and the elastic card seat 300 along the width direction of the elastic pad 200.
[0043] Reference Figure 8 , Figure 9 and Figure 10 As shown, it can be understood that the wall surface of the second forming groove 520 away from the moving mold base 400 is provided with a surrounding groove 521, a plurality of second straight grooves 522 arranged in an arrangement, and a plurality of third straight grooves 523 arranged in an arrangement. The second straight grooves 522 and the third straight grooves 523 are arranged intersectingly and communicating with each other, so that the elastic card holder 300 forms a first rib 330 corresponding to the second straight groove 522 and a second rib 340 corresponding to the third straight groove 523. The surrounding groove 521 is provided around the second straight grooves 522 and the third straight grooves 523 and communicates with the second straight grooves 522 and the third straight grooves 523, so that the elastic card holder 300 forms a surrounding piece 320 corresponding to the surrounding groove 521.
[0044] Reference Figure 8 , Figure 9 and Figure 10As shown, when the first groove 410 and the second molding groove 520 together form a second molding cavity, and molten elastic card seat material is injected into the second molding cavity, the elastic card seat material can flow into the surrounding groove 521, multiple second straight grooves 522 and multiple third straight grooves 523, so that the end of the molded elastic card seat 300 facing away from the elastic pad 200 forms a surrounding piece 320, multiple first ribs 330 arranged in a row and multiple second ribs 340 arranged in a row. The first ribs 330 and the second ribs 340 are arranged alternately and connected. The surrounding piece 320 is arranged around the first ribs 330 and the second ribs 340 and is connected to the first ribs 330 and the second ribs 340.
[0045] Reference Figure 4 , Figure 5 and Figure 10 As shown, the surrounding piece 320 is arranged around the first rib 330 and the second rib 340 and is connected to the first rib 330 and the second rib 340. Multiple hollow parts can be formed between the first rib 330, the second rib 340 and the surrounding piece 320, which can reduce the material consumption of the elastic card holder 300 and improve the overall strength and stability of the end of the elastic card holder 300 facing away from the elastic pad 200.
[0046] Reference Figure 8 , Figure 9 and Figure 10 As shown, it can be understood that the first molding groove 510 and the second molding groove 520 are located on the same circular rotation trajectory. The injection molding production equipment also includes a rotary drive assembly for driving the moving mold base 400 to rotate relative to the fixed mold base 500, so that the first insert 410 can dock with the first molding groove 510 or the second molding groove 520; Reference Figure 8 , Figure 9 and Figure 10 As shown, specifically, the moving mold base 400 is provided with two first slots 410. With the rotation drive assembly driving the moving mold base 400, the first slots 410 can switch to be opposite to the first molding slot 510 or the second molding slot 520. With the lifting drive assembly driving the moving mold base 400 to close the mold with the fixed mold base 500, so that the first slots 410 can dock with the first molding slot 510 or dock with the second molding slot 520.
[0047] Reference Figure 8 , Figure 9 and Figure 10As shown, specifically, the operator can connect the working cutter head 100 as an insert to one of the first insert slots 410, and drive the moving mold base 400 and the fixed mold base 500 to close, so that one of the first insert slots 410 aligns with the first molding groove 510. Through injection molding, an elastic pad 200 integrally connected with the working cutter head 100 is formed. Then, the lifting drive assembly drives the moving mold base 400 to separate from the fixed mold base 500, and the rotation drive assembly drives the rotation of the moving mold base 400 to achieve the desired effect. The first groove 410, which has a working cutter head 100 and an elastic pad 200, rotates to a position opposite to the second molding groove 520. Then, the lifting drive assembly can drive the moving mold base 400 and the fixed mold base 500 to close the mold. Through the injection molding process, the elastic retainer 300, which is integrally connected with the elastic pad 200, is formed. That is, multiple continuous injection moldings are achieved through the same moving mold base 400 and fixed mold base 500, so that the working cutter head 100, the elastic pad 200 and the elastic retainer 300 are injection molded and connected as one unit.
[0048] Reference Figure 8 , Figure 9 and Figure 10 As shown, it should be noted that the lifting drive assembly can be a linear drive mechanism such as a hydraulic cylinder, pneumatic cylinder, electric push rod, or lead screw slider mechanism. The rotary drive assembly can be a rotary drive motor.
[0049] Reference Figure 8 , Figure 9 and Figure 11 As shown, it can be understood that the fixed mold base 500 is provided with a first injection channel 530 communicating with the first molding groove 510 and a second injection channel 540 communicating with the second molding groove 520. The injection molding production equipment is also provided with a variable pressure pump, which can inject molten elastic pad material through the first injection channel 530 into the first molding cavity formed by the first molding groove 510 to form an elastic pad 200 integrally formed with the working cutter head 100.
[0050] Reference Figure 8 , Figure 9 and Figure 11 As shown, the injection molding production equipment can inject molten elastic card holder material into the second molding cavity formed by the second molding channel 520 through the second injection channel 540 via a variable pressure pump, so as to form an elastic card holder 300 integrally formed with the elastic pad 200.
[0051] Reference Figure 8 , Figure 9 and Figure 10As shown, it is understood that the injection molding production equipment also includes a heating component, which provides heat to the moving mold base 400 or the fixed mold base 500 so that the molten elastic pad material can fill the first molding cavity and the molten elastic retainer material can fill the second molding cavity, so as to realize the injection molding of the working cutter head 100, the elastic pad 200 and the elastic retainer 300 in one piece.
[0052] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. An injection molded elastomeric grinding block, characterized in that, include: The working cutter head (100) includes a connecting piece (110) and a plurality of toothed blocks (120) arranged in a row, wherein the plurality of toothed blocks (120) are all connected to the connecting piece (110) and are arranged at intervals along the connecting piece (110); An elastic rubber pad (200) is provided, and the working blade (100) is embedded in one end of the elastic rubber pad (200). One end of the elastic rubber pad (200) covers the connecting piece (110) and the connection between the tooth block (120) and the connecting piece (110). An elastic card holder (300) is provided, with the other end of the elastic pad (200) connected to the elastic card holder (300), and the elastic card holder (300) covering the other end of the elastic pad (200). The working cutter head (100), the elastic pad (200), and the elastic retainer (300) are injection molded together as a single unit.
2. The injection molded elastomeric grinding block of claim 1, wherein: The other end of the elastic pad (200) is provided with a plurality of strips (210) arranged in a row, and the elastic seat (300) has a plurality of slots (310), and the strips (210) are embedded in the slots (310) one by one.
3. The injection molded elastomeric grinding block of claim 1, wherein: The elastic card holder (300) has a surrounding piece (320), a plurality of first ribs (330) arranged in a row, and a plurality of second ribs (340) arranged in a row at one end opposite to the elastic pad (200). The first ribs (330) and the second ribs (340) are arranged alternately and connected. The surrounding piece (320) is arranged around the first ribs (330) and the second ribs (340) and is connected to the first ribs (330) and the second ribs (340).
4. Injection molding production equipment, characterized in that For injection molding production of elastic grinding blocks, the elastic grinding blocks include a working cutter head (100), an elastic pad (200) and an elastic retainer (300), the working cutter head (100) having a plurality of teeth (120) arranged in a row; the injection molding production equipment includes a moving mold base (400) and a fixed mold base (500); The moving mold base (400) has a first groove (410) facing the fixed mold base (500). The wall surface of the first groove (410) away from the fixed mold base (500) has a plurality of toothed grooves (411). The working cutter head (100) can be embedded in the first groove (410) as an insert. The toothed grooves (411) are configured to engage with the toothed blocks (120) of the working cutter head (100). The fixed mold base (500) has a first molding groove (510) and a second molding groove (520). The first insert (410) can dock with the first molding groove (510) to jointly form a first molding cavity. The first molding cavity is used for injection molding the elastic pad (200) integrally connected with the working cutter head (100), and the working cutter head (100) is embedded in one end of the elastic pad (200). One end of the elastic pad (200) at least partially covers the tooth block (120). The first insert (410) can dock with the second molding groove (520) to jointly form a second molding cavity. The second molding cavity is used for injection molding the elastic retainer (300) integrally connected with the elastic pad (200), and the other end of the elastic pad (200) is connected to the elastic retainer (300). The elastic retainer (300) covers the other end of the elastic pad (200).
5. Injection molding production apparatus according to claim 4, characterized in that The first molding groove (510) has multiple first straight grooves (511) arranged at intervals on the wall surface away from the moving mold base (400), so that the other end of the elastic pad (200) is formed with multiple clips (210) arranged in a row.
6. Injection molding production apparatus according to claim 4, characterized in that The second forming groove (520) has a plurality of second straight grooves (522) and a plurality of third straight grooves (523) arranged on the wall surface away from the moving mold base (400). The second straight grooves (522) and the third straight grooves (523) are arranged in a cross pattern and are connected, so that the elastic card seat (300) forms a first rib (330) corresponding to the second straight groove (522) and a second rib (340) corresponding to the third straight groove (523).
7. Injection molding production apparatus according to claim 6, characterized in that The second forming groove (520) has a surrounding groove (521) on the wall surface away from the moving mold base (400). The surrounding groove (521) is arranged around the second straight groove (522) and the third straight groove (523) and communicates with the second straight groove (522) and the third straight groove (523), so that the elastic card seat (300) forms a surrounding piece (320) corresponding to the surrounding groove (521).
8. Injection molding production apparatus according to claim 4, characterized in that The first forming groove (510) and the second forming groove (520) are located on the same circular rotation trajectory.
9. Injection molding production apparatus according to claim 8, characterized in that It also includes a rotary drive assembly for driving the moving mold base (400) to rotate relative to the fixed mold base (500), so that the first groove (410) can dock with the first molding groove (510) or the second molding groove (520). And / or, it also includes a lifting drive assembly connected to the moving mold base (400) to drive the moving mold base (400) to close or separate relative to the fixed mold base (500).
10. Injection molding production apparatus according to claim 4, characterized in that The fixed mold base (500) is provided with a first injection channel (530) communicating with the first molding groove (510) and a second injection channel (540) communicating with the second molding groove (520).