Cooling device for injection mold

Abstract

The utility model discloses a cooling device for an injection mold, which comprises a mounting hole formed in a mold body, one end of the mounting hole is an open end, the other end of the mounting hole is a closed end, the mounting hole is cylindrical, a cover plate is detachably connected onto the mold body, a cooling column which is adaptively inserted into the mounting hole is arranged on the cover plate, and the cooling column is provided with a cooling hole. The outer wall face of the cooling column is provided with a spiral first cooling channel and a spiral second cooling channel, and the end, not connected with the cover plate, of the cooling column is provided with a transition channel with one end connected with the first cooling channel and the other end connected with the second cooling channel. The cover plate is provided with a cooling liquid input channel connected with the other end of the first cooling channel and a cooling liquid output channel connected with the other end of the second cooling channel. The cooling device can be interchanged for use, and is high in universality, complete in overall function and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of mold manufacturing, and more specifically, to a cooling device for an injection mold. Background Art

[0002] Before the product is demoulded, the injection mold will use a cooling device integrated on the mold body to cool the mold first, and then perform the demoulding operation on the product. Since the traditional device for cooling the mold body is mostly integrated on the mold body, each mold needs to be equipped with a cooling device separately, which cannot be used interchangeably, has poor versatility, and poor overall effect. Based on this, the utility model proposes a cooling device for injection molds. Utility Model Content

[0003] The utility model aims to overcome the above-mentioned deficiencies in the prior art and provide a cooling device for an injection mold, which can be used interchangeably and has strong versatility.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved as follows: the utility model involves a cooling device for an injection mold, comprising a mounting hole opened on a mold body, one end of the mounting hole is an open end and the other end is a closed end, the mounting hole is cylindrical, the mold body is detachably connected to a cover plate, the cover plate is provided with a cooling column adapted to be inserted into the mounting hole, the outer wall surface of the cooling column is provided with a spiral first cooling channel and a spiral second cooling channel, the end of the cooling column not connected to the cover plate is provided with a transition channel with one end connected to the first cooling channel and the other end connected to the second cooling channel, the cover plate is provided with a coolant input channel connected to the other end of the first cooling channel and a coolant output channel connected to the other end of the second cooling channel.

[0005] The utility model is further configured as follows: the cover plate is provided with a coolant circulation pipe which is arranged outside the mounting hole and has one end connected to the coolant input channel and the other end connected to the coolant output channel, and a circulation pump is serially connected to the coolant circulation pipe.

[0006] The utility model is further configured as follows: a heat exchanger is also connected in series to the coolant circulation pipe.

[0007] The utility model is further configured as follows: a threaded hole is provided on the mold body, a screw through hole matching the threaded hole is provided on the cover plate, and a screw threadedly connected to the threaded hole is passed through the screw through hole.

[0008] The utility model is further configured as follows: a sealing member is provided between the cover plate and the mold body.

[0009] In summary, the utility model has the following beneficial effects: the cooling device for injection molds involved in the utility model can be adapted to open mounting holes of the same size on different molds, and can be inserted with interchangeable cooling columns for use as cooling for the mold body, with strong interchangeability and versatility, complete overall functionality, and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0011] Figure 2 It is a schematic diagram of the structure of the cooling column used in the utility model;

[0012] Figure 3 yes Figure 2 Schematic diagram of the structure from another perspective. DETAILED DESCRIPTION

[0013] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, rather than limiting the patent requirements of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0014] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0015] Example 1

[0016] See also Figures 1 to 3 As shown, a cooling device for an injection mold involved in this embodiment includes a mounting hole 2 opened on a mold body 1, one end of the mounting hole 2 is an open end and the other end is a closed end, the mounting hole 2 is cylindrical, the mold body 1 is detachably connected to a cover plate 3, the cover plate 3 is provided with a cooling column 4 adapted to be inserted into the mounting hole, the outer wall surface of the cooling column 4 is provided with a spiral first cooling channel 5 and a spiral second cooling channel 6, the end of the cooling column 4 not connected to the cover plate is provided with a transition channel 7 with one end connected to the first cooling channel 5 and the other end connected to the second cooling channel 6, the cover plate 3 is provided with a coolant input channel 8 connected to the other end of the first cooling channel and a coolant output channel 9 connected to the other end of the second cooling channel.

[0017] Furthermore, the cover plate 3 is provided with a coolant circulation pipe 10 which is arranged outside the mounting hole 2 and has one end connected to the coolant input channel 8 and the other end connected to the coolant output channel 9. The coolant circulation pipe 10 is serially connected with a circulation pump 11 and a heat exchanger 12.

[0018] Furthermore, the mold body 1 is provided with a threaded hole (not shown), the cover plate 3 is provided with a screw through hole (not shown) matching the threaded hole, and a screw (not shown) threadedly connected to the threaded hole is inserted into the screw through hole.

[0019] In this embodiment, a mounting hole 2 with high dimensional accuracy is first processed on the mold body 1, and then the cover plate 3 carrying the cooling column 4 is fixedly installed on the mold body 1 until the cooling column 4 is inserted into the mounting hole 2. At this time, coolant is introduced into the coolant input channel 8, and the coolant can pass through the coolant input channel 8, the first cooling channel 5, the transition channel 7 and the second cooling channel 6 in sequence, and finally discharged from the coolant output channel 9, thereby realizing the cooling function of the mold body 1.

[0020] The circulating pump 11 is provided to circulate the coolant in the coolant circulation pipe 10 ; the heat exchanger 12 is provided to exchange heat.

[0021] Example 2

[0022] See also Figures 1 to 3 As shown, the cooling device for an injection mold according to this embodiment is further configured on the basis of Embodiment 1, wherein a sealing member 13 is provided between the cover plate 3 and the mold body 1 .

[0023] In this embodiment, the sealing performance between the cover plate 3 and the mold body 1 is improved by adding the sealing member 13 .

[0024] The utility model relates to a cooling device for injection molds. The cooling device can be adapted to insert and insert interchangeable cooling columns into mounting holes of the same size on different molds to be used for cooling the mold body. The device has strong interchangeability and versatility, complete overall functions, and strong practicality.

[0025] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationship are based on the orientation or positional relationship actually shown, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.

[0026] Unless otherwise clearly specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A cooling device for an injection mold, comprising a mounting hole opened on a mold body, one end of the mounting hole being an open end and the other end being a closed end, the mounting hole being cylindrical, characterized in that: A cover plate is detachably connected to the mold body, and a cooling column adapted to be inserted into the mounting hole is provided on the cover plate. A spiral first cooling channel and a spiral second cooling channel are provided on the outer wall of the cooling column. An end of the cooling column not connected to the cover plate is provided with a transition channel with one end connected to the first cooling channel and the other end connected to the second cooling channel. A coolant input channel connected to the other end of the first cooling channel and a coolant output channel connected to the other end of the second cooling channel are provided on the cover plate.

2. The cooling device for injection mold according to claim 1, characterized in that: The cover plate is provided with a coolant circulation pipe which is arranged outside the mounting hole and has one end connected to the coolant input channel and the other end connected to the coolant output channel. A circulation pump is serially connected to the coolant circulation pipe.

3. The cooling device for injection mold according to claim 2, characterized in that: The coolant circulation pipe is also connected in series with a heat exchanger.

4. The cooling device for injection mold according to any one of claims 1 to 3, characterized in that: The mold body is provided with a threaded hole, the cover plate is provided with a screw through hole matching the threaded hole, and a screw threadedly connected to the threaded hole is passed through the screw through hole.

5. The cooling device for injection mold according to claim 1, characterized in that: A sealing member is provided between the cover plate and the mold body.

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