Detachable multi-cavity mold structure

Abstract

The utility model relates to the technical field of multi-cavity molds, in particular to a detachable multi-cavity mold structure which comprises a lower mold, an assembly cavity is arranged in the lower mold, a rectangular groove is formed in the cavity wall of the top of the assembly cavity, a plurality of through holes are formed in the bottom wall of the rectangular groove, and a plurality of through holes are formed in the bottom wall of the rectangular groove. A first annular groove is formed in the hole wall of the top position of the through hole, a wear-resisting thread sleeve is inserted into the through hole in a matched mode, a fixing ring is fixedly installed at the top end of the wear-resisting thread sleeve, the fixing ring is fixedly installed on the bottom wall of the first annular groove through a fastening screw, and a multi-cavity forming die is inserted into the assembly cavity in a matched mode; and a rectangular frame is fixedly installed at the top position of the multi-cavity forming die, the rectangular frame is located in the rectangular groove and matched with the rectangular groove in a clamped mode, a plurality of screw holes are formed in the rectangular frame, fastening screws are arranged in the screw holes, and the fastening screws are in threaded connection with the wear-resistant threaded sleeves. The device can be independently disassembled, and is convenient to assemble and use.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-cavity molds, in particular to a detachable multi-cavity mold structure. Background Art

[0002] A multi-cavity mold is an injection mold that combines multiple cavities. Compared with a single-cavity mold, a multi-cavity mold has significant advantages in production efficiency and applicability. A multi-cavity mold can produce more products at the same time, thereby shortening delivery time, reducing the price of products, and improving production efficiency.

[0003] The multi-cavity molds on the market are generally one-piece molding structures. In the specific production and preparation operations, they are usually directly cast into multiple cavities by casting. The cavity parts in this type of multi-cavity mold have the defect that they cannot be disassembled and taken out for replacement separately. When replacement operations are required, the entire mold must be completely replaced for normal use, resulting in a lot of waste of resources and inconvenience to users. In view of this, we propose a detachable multi-cavity mold structure. Utility Model Content

[0004] The purpose of the utility model is to provide a detachable multi-cavity mold structure to solve the defects mentioned in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A detachable multi-cavity mold structure comprises a lower mold, wherein an assembly chamber is arranged in the lower mold, a rectangular groove is arranged on the cavity wall at the top position of the assembly chamber, a plurality of through holes arranged in a matrix are arranged on the bottom wall of the rectangular groove, a first annular groove is arranged on the hole wall at the top position of the through hole, a wear-resistant screw sleeve is plugged into the through hole, a fixing ring is fixedly installed at the top of the wear-resistant screw sleeve, and the fixing ring is fixedly installed on the bottom wall of the first annular groove by a fastening screw, a multi-cavity forming mold is plugged into the assembly chamber, a rectangular frame is fixedly installed at the top position of the multi-cavity forming mold, the rectangular frame is located in the rectangular groove and snap-fitted between the rectangular grooves, a plurality of screw holes arranged in a matrix are arranged on the rectangular frame, a fastening screw is arranged in the screw hole, and the fastening screw is threadedly connected to the wear-resistant screw sleeve.

[0007] Preferably, a bottom plate is fixedly mounted on the bottom of the lower mold, and the bottom plate is fixedly mounted on an external injection molding machine.

[0008] Preferably, a plurality of guide grooves arranged in an annular shape and at equal intervals are provided on the hole wall of the through hole, and a plurality of guide strips arranged in an annular shape and at equal intervals are fixedly mounted on the annular side surface of the wear-resistant screw sleeve. The guide strips are located in the guide grooves and plug-fitted with the guide grooves, thereby guiding the insertion of the wear-resistant screw sleeve.

[0009] Preferably, the size of the guide strip is matched with the size of the guide groove for stabilizing the insertion operation.

[0010] Preferably, the number of the guide grooves and the guide strips is 4 to 6, which are used to perform position limiting operations on the wear-resistant screw sleeve to make the structure of the wear-resistant screw sleeve more firm and stable.

[0011] Preferably, the multi-cavity molding die is provided with a plurality of molding cavities arranged at equal intervals, the molding cavities are used for molding operations of plastic parts, and the multi-cavity molding die is provided with injection holes, the injection holes are used for injection operations of molten materials.

[0012] Preferably, a second annular groove is provided on the hole wall at the top position of the screw hole, and a cap head is fixedly installed on the top end of the fastening screw, and the cap head is hidden in the second annular groove so that the cap head does not protrude from the surface of the rectangular frame.

[0013] Preferably, a wrench groove is provided on the cap head, and the wrench groove is used for the cooperation with a wrench.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model sets up an assembly chamber, utilizes the plug-in cooperation between the multi-cavity forming mold and the assembly chamber, and the rectangular frame is stuck in the rectangular groove, and utilizes the threaded connection between the fastening screw and the wear-resistant screw sleeve to realize the fixing operation of the multi-cavity forming mold. Afterwards, the fastening screw can be unscrewed, and the multi-cavity forming mold can be directly replaced, so as to achieve the effect of being disassembled and conveniently replaced.

[0016] 2. The utility model provides a wear-resistant screw sleeve that is plugged into the through hole and fixed with a fixing ring, and a guide bar is inserted into the guide groove for limiting, so that the structure of the wear-resistant screw sleeve is more firm and stable. At the same time, after the internal thread in the wear-resistant screw sleeve fails to be stripped, the wear-resistant screw sleeve can be replaced separately. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0019] Figure 3For this utility model Figure 2 The enlarged view of point A in the middle;

[0020] Figure 4 For this utility model Figure 2 Enlarged view of point B in the middle.

[0021] The meaning of each number in the figure is:

[0022] 1. Bottom plate; 10. Lower die; 11. Assembly chamber; 12. Rectangular groove; 13. Through hole; 131. Guide groove; 14. First annular groove; 15. Wear-resistant screw sleeve; 151. Guide strip; 16. Fixing ring;

[0023] 2. Multi-cavity molding mold; 20. Molding chamber; 21. Injection hole; 22. Rectangular frame; 221. Screw hole; 222. Second annular groove; 23. Fastening screw; 231. Cap head; 232. Wrench groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 4 The utility model provides a technical solution: a detachable multi-cavity mold structure, including a lower mold 10, an assembly chamber 11 is arranged in the lower mold 10, a rectangular groove 12 is arranged on the cavity wall at the top position of the assembly chamber 11, a plurality of through holes 13 arranged in a matrix are arranged on the bottom wall of the rectangular groove 12, a first annular groove 14 is arranged on the hole wall at the top position of the through hole 13, a wear-resistant screw sleeve 15 is inserted and matched in the through hole 13, a fixing ring 16 is fixedly installed on the top of the wear-resistant screw sleeve 15, and the fixing ring 16 is fixedly installed on the bottom wall of the first annular groove 14 by a fastening screw, so as to facilitate the replacement operation of the damaged wear-resistant screw sleeve 15;

[0026] Specifically, a multi-cavity molding mold 2 is plugged into the assembly chamber 11, and a rectangular frame 22 is fixedly installed at the top position of the multi-cavity molding mold 2. The rectangular frame 22 is located in the rectangular groove 12 and is snap-fitted between the rectangular groove 12. A plurality of screw holes 221 arranged in a matrix are provided on the rectangular frame 22, and fastening screws 23 are provided in the screw holes 221. The fastening screws 23 are threadedly connected to the wear-resistant screw sleeves 15, which is convenient for fixing the multi-cavity molding mold 2. At the same time, after the fastening screws 23 are unscrewed, the multi-cavity molding mold 2 can be replaced, which is convenient for use.

[0027] In this embodiment, a bottom plate 1 is fixedly mounted on the bottom of the lower mold 10 , and the bottom plate 1 is fixedly mounted on an external injection molding machine to achieve normal assembly operations.

[0028] Specifically, a plurality of guide grooves 131 arranged in an annular shape with equal spacing are provided on the hole wall of the through hole 13, and a plurality of guide strips 151 arranged in an annular shape with equal spacing are fixedly installed on the annular side surface of the wear-resistant screw sleeve 15. The guide strips 151 are located in the guide grooves 131 and plugged into the guide grooves 131, thereby guiding the insertion of the wear-resistant screw sleeve 15; the size of the guide strips 151 is matched with the size of the guide grooves 131, which is used to stabilize the insertion operation; the number of guide grooves 131 and guide strips 151 is 4 to 6, which are used to limit the wear-resistant screw sleeve 15, so that the structure of the wear-resistant screw sleeve 15 is more firm and stable, ensuring that the wear-resistant screw sleeve 15 will not rotate when the fastening screw 23 is tightened in the wear-resistant screw sleeve 15.

[0029] Furthermore, the multi-cavity molding mold 2 is provided with a plurality of molding chambers 20 arranged at equal intervals, the molding chambers 20 are used for molding operations of plastic parts, and the multi-cavity molding mold 2 is provided with injection holes 21, the injection holes 21 are used for injection operations of molten materials.

[0030] In addition, a second annular groove 222 is provided on the hole wall at the top position of the screw hole 221 , and a cap head 231 is fixedly installed on the top end of the fastening screw 23 , and the cap head 231 is hidden in the second annular groove 222 so that the cap head 231 does not protrude from the surface of the rectangular frame 22 .

[0031] It is worth noting that a spanner groove 232 is provided on the cap head 231, and the spanner groove 232 is used for the cooperation with a spanner.

[0032] When the detachable multi-cavity mold structure of the utility model is used, firstly, the guide strip 151 is inserted into the through hole 13 along the guide groove 131 to insert the wear-resistant screw sleeve 15, and then the fixing ring 16 is fixedly installed on the bottom wall of the first annular groove 14 by using the fastening screws to complete the installation operation of the wear-resistant screw sleeve 15, and then the multi-cavity molding mold 2 is inserted into the assembly chamber 11 to ensure that the rectangular frame 22 is stuck in the rectangular groove 12, and then the fastening screws 23 are passed through the screw holes 221 and tightened on the wear-resistant screw sleeve 15 to ensure that the cap head 231 is against the bottom wall of the second annular groove 222 to complete the installation operation;

[0033] During disassembly, the fastening screws 23 are unscrewed, and then the multi-cavity molding mold 2 and the rectangular frame 22 are taken out as a whole to complete the disassembly operation.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A detachable multi-cavity mold structure, comprising a lower mold (10), characterized in that: An assembly chamber (11) is provided in the lower mold (10), a rectangular groove (12) is provided on the cavity wall at the top position of the assembly chamber (11), a plurality of through holes (13) arranged in a matrix are provided on the bottom wall of the rectangular groove (12), a first annular groove (14) is provided on the hole wall at the top position of the through hole (13), a wear-resistant screw sleeve (15) is inserted and fitted in the through hole (13), a fixing ring (16) is fixedly installed at the top end of the wear-resistant screw sleeve (15), and the fixing ring (16) is fixedly installed on the first A multi-cavity forming mold (2) is inserted and matched in the assembly chamber (11) on the bottom wall of an annular groove (14); a rectangular frame (22) is fixedly installed at the top position of the multi-cavity forming mold (2); the rectangular frame (22) is located in the rectangular groove (12) and is snap-fitted with the rectangular groove (12); a plurality of screw holes (221) arranged in a matrix are provided on the rectangular frame (22); a fastening screw (23) is provided in the screw hole (221); and the fastening screw (23) is threadedly connected to the wear-resistant screw sleeve (15).

2. The detachable multi-cavity mold structure according to claim 1, characterized in that: A base plate (1) is fixedly mounted on the bottom of the lower mold (10), and the base plate (1) is fixedly mounted on an external injection molding machine.

3. The detachable multi-cavity mold structure according to claim 1, characterized in that: A plurality of guide grooves (131) arranged in an annular shape and at equal intervals are provided on the hole wall of the through hole (13); a plurality of guide strips (151) arranged in an annular shape and at equal intervals are fixedly mounted on the annular side surface of the wear-resistant screw sleeve (15); the guide strips (151) are located in the guide grooves (131) and are plug-fitted with the guide grooves (131).

4. The detachable multi-cavity mold structure according to claim 3, characterized in that: The size of the guide strip (151) is matched with the size of the guide groove (131) for stabilizing the insertion operation.

5. The detachable multi-cavity mold structure according to claim 4, characterized in that: The number of the guide grooves (131) and the guide strips (151) is 4 to 6, and they are used to perform position limiting operations on the wear-resistant screw sleeve (15).

6. The detachable multi-cavity mold structure according to claim 1, characterized in that: The multi-cavity molding die (2) is provided with a plurality of molding cavities (20) arranged at equal intervals, the molding cavities (20) being used for molding operations of plastic parts, and the multi-cavity molding die (2) is provided with injection holes (21), the injection holes (21) being used for injection operations of molten materials.

7. The detachable multi-cavity mold structure according to claim 1, characterized in that: A second annular groove (222) is provided on the hole wall at the top position of the screw hole (221), and a cap head (231) is fixedly mounted on the top end of the fastening screw (23), and the cap head (231) is hidden in the second annular groove (222).

8. The detachable multi-cavity mold structure according to claim 7, characterized in that: The cap head (231) is provided with a spanner groove (232), and the spanner groove (232) is used for the cooperation with a spanner.

Images