Air conditioner filter bag edge locking die

Abstract

The utility model discloses an air conditioner filter bag overlock mould which comprises an upper mould and a lower mould, a filter bag supporting frame and a lower mould cavity are arranged on the lower mould, a channel and an upper mould cavity are arranged on the upper mould, the filter bag supporting frame can penetrate through the channel, and the upper mould cavity and the lower mould cavity are combined to form an overlock mould cavity which is correspondingly matched with the outer contour of an overlock of the lower edge of an air conditioner filter bag. A movable cavity is formed in the lower die, a plurality of vertical through holes are formed in the bottom face of the lower die cavity downwards, a movable plate is placed in the movable cavity, a plurality of ejector rods are arranged on the movable plate, the movable plate is driven by a driving device, and the ejector rods are driven by the driving device to move downwards. The moving plate moves upwards to enable the top ends of the ejector rods to extend out of the top ends of the corresponding vertical through holes, or the moving plate moves downwards to enable the ejector rods to retract into the corresponding vertical through holes. The mold is used in cooperation with foaming injection equipment, mechanical production can be achieved, compared with traditional pure manual edge locking through aluminum alloy strips, the machining efficiency is greatly improved, the product consistency is good, the percent of pass is high, and the cost is low.

Description

Technical Field

[0001] This utility model relates to the field of air conditioner filter bag processing technology, and in particular to an air conditioner filter bag edge locking mold. Background Technology

[0002] Large air conditioners used in factories, shopping malls, hospitals, and other large venues primarily employ filter bags as their filter element. Filter bags offer advantages such as high filtration efficiency, low resistance, large dust holding capacity, resistance to tearing and damage, long service life, and high dust collection rate. During the manufacturing process, the filter bag is typically first fitted onto a filter bag support frame, and then an aluminum alloy strip is manually secured to the lower edge of the filter bag, forming the locking edge. Manually securing the filter bag edges is time-consuming, labor-intensive, costly, inefficient, and results in poor product consistency; product quality depends entirely on the operator's skill level. Utility Model Content

[0003] The technical problem to be solved by this utility model is: to provide an air conditioning filter bag locking mold for processing the locking edge of the lower edge of the filter bag.

[0004] To solve the above problems, the technical solution adopted by this utility model is as follows: The air conditioner filter bag locking mold includes an upper mold and a lower mold. A filter bag support frame and a lower mold cavity are provided on the lower mold. A channel for the filter bag support frame to pass through and an upper mold cavity are provided on the upper mold. After the upper mold and the lower mold are closed, the upper mold cavity and the lower mold cavity form a locking mold cavity that corresponds to and matches the outer contour of the locking edge of the lower edge of the air conditioner filter bag. A movable cavity is provided in the lower mold. Several vertical through holes are opened downward on the bottom surface of the lower mold cavity. The bottom of each vertical through hole penetrates the top surface of the movable cavity. A movable plate is placed in the movable cavity. Several push rods are provided on the movable plate. Each push rod corresponds to a vertical through hole, and the top end of each push rod extends into the corresponding vertical through hole. The movable plate is driven by a driving device. Under the drive of the driving device, the movable plate moves upward so that the top end of each push rod extends out of the top end of the corresponding vertical through hole, or the movable plate moves downward so that each push rod retracts into the corresponding vertical through hole.

[0005] Furthermore, in the aforementioned air conditioning filter bag locking mold, the structure of the driving device is as follows: two first driving cylinders are fixedly installed at the bottom of the lower mold, and the piston rods of the two first driving cylinders are fixedly connected to the moving plate.

[0006] Furthermore, in the aforementioned air conditioning filter bag locking mold, a spring is fitted on each push rod. Under the elastic force of each spring, the two ends of each spring abut against the top surface and the bottom surface of the movable cavity, respectively.

[0007] Foaming material is injected into the locking cavity formed between the upper and lower molds in the mold-closing state. During the expansion process, the foaming material will generate an outward force. In order to ensure that the upper and lower molds can be stably closed without displacement, this solution provides a mold-locking device between the upper and lower molds to lock the relative positions of the upper and lower molds in the mold-closing state.

[0008] Furthermore, in the aforementioned air conditioning filter bag locking mold, the locking device comprises four locking mechanisms mounted on the upper mold, arranged in pairs on both sides of the upper mold; each locking mechanism comprises a locking frame mounted on the upper mold, a locking hook hinged to the locking frame, a cylinder body of a second drive cylinder mounted on the locking frame, one end of a connecting rod hinged to the piston rod of the second drive cylinder, and the other end of the connecting rod hinged to the tail of the locking hook; four grooves corresponding to the positions of each locking hook are provided on the lower mold, and when the upper and lower molds are in the closed state, each second drive cylinder can drive the corresponding locking hook to hook the corresponding groove.

[0009] The beneficial effects of this utility model are: the mold, when used in conjunction with foaming injection equipment, enables mechanized production. Compared with the traditional method of manually locking the edges with aluminum alloy strips, it greatly improves processing efficiency, and the products have good consistency, high pass rate, and significantly reduce costs. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the air conditioner filter bag locking mold in use according to the present invention.

[0011] Figure 2 This is a schematic diagram of the mold-locking mechanism.

[0012] Figure 3 This is a schematic diagram of the air conditioner filter bag locking mold of this utility model in the mold-closed state.

[0013] Figure 4 yes Figure 1 A top-view structural diagram of the lower and middle molds.

[0014] Figure 5 yes Figure 4 A schematic diagram of the structure in the AA section. Detailed Implementation

[0015] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and preferred embodiments.

[0016] In the description of this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. It should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0017] like Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, the air conditioner filter bag locking mold in this embodiment includes an upper mold 4 and a lower mold 1. A filter bag support frame 2 and a lower mold cavity 3 are provided on the lower mold 1. The upper mold 4 has a channel for the filter bag support frame 2 to pass through and an upper mold cavity. After the upper mold 4 and the lower mold 1 are closed, the filter bag support frame 2, which contains the filter bag, passes through the channel. The upper mold cavity and the lower mold cavity 3 form a locking mold cavity that corresponds to and matches the outer contour of the locking edge of the lower edge of the air conditioner filter bag. An injection port communicating with the locking mold cavity is provided on the upper mold 4 or the lower mold 1.

[0018] First, the filter bag is fitted onto the filter bag support frame 2. Then, the upper mold 4 and the lower mold 1 are closed. At this time, the lower edge of the filter bag fitted onto the filter bag support frame 2 is located in the locking edge mold cavity. Then, foaming material is injected into the locking edge mold cavity formed between the upper mold 4 and the lower mold 1 in the closed mold state. The foaming material expands and forms a locking edge fixed to the lower edge of the filter bag.

[0019] To facilitate edge locking and demolding, this embodiment is designed as follows: Figure 4 and Figure 5 As shown, a movable cavity 15 is provided in the lower mold 1. Several vertical through holes 11 are formed downwards on the bottom surface of the lower mold cavity 1, with the bottom of each through hole 11 penetrating the top surface of the movable cavity 15. A movable plate 14 is placed in the movable cavity 15, and several ejector rods 12 are provided on the movable plate 14. Each ejector rod 12 corresponds to a vertical through hole 11, and the top end of each ejector rod 12 extends into the corresponding vertical through hole 11. The movable plate 14 is driven by a driving device. When demolding is required, the movable plate 14 moves upwards under the drive of the driving device, causing the top ends of each ejector rod 12 to extend beyond the top end of the corresponding vertical through hole 11. At this time, the forming locking edge is more easily removed from the lower mold cavity 3 under the upward lifting force of each ejector rod 12. After demolding, the movable plate 14 moves downwards under the drive of the driving device, causing each ejector rod 12 to retract into the corresponding vertical through hole 11.

[0020] The structure of the driving device described in this embodiment is as follows: two first driving cylinders 16 are fixedly installed at the bottom of the lower mold 1, and the piston rods of the two first driving cylinders 16 are fixedly connected to the moving plate 14.

[0021] More preferably, in this embodiment, a spring 13 is fitted on each push rod 12. Each spring 13 has a certain preload. Under the elastic force of each spring 13, the two ends of each spring 13 abut against the top surface and the bottom surface of the movable cavity 15, respectively.

[0022] Foaming material is injected into the locking cavity formed between the upper mold 4 and the lower mold 1, which are in the closed mold state. During the expansion process, the foaming material generates an outward force. To ensure that the upper mold 4 and the lower mold 1 can be stably closed without displacement, and to guarantee the final locking quality, this embodiment provides a locking device between the upper mold 4 and the lower mold 1 to lock their relative positions in the closed mold state. Figure 1 and Figure 2 As shown, the structure of the mold-locking device in this embodiment is as follows: it includes four mold-locking mechanisms 5 disposed on the upper mold 4, with the four mold-locking mechanisms 5 arranged in pairs on both sides of the upper mold 4. The structure of each mold-locking mechanism 5 is as follows: a mold-locking frame 9 is installed on the upper mold 4, a locking hook 10 is hinged to the mold-locking frame 9, the cylinder body of the second drive cylinder 7 is installed on the mold-locking frame 9, one end of the connecting rod 8 is hinged to the piston rod of the second drive cylinder 7, and the other end of the connecting rod 8 is hinged to the tail of the locking hook 10; four grooves 6 corresponding to the positions of each locking hook 10 are provided on the lower mold 1.

[0023] After the upper mold 4 and lower mold 1 are in the closed state, the piston rods of the four second drive cylinders 7 extend outward synchronously, pushing the corresponding locking hook 10 to swing around the hinge point a between the corresponding locking hook 10 and the corresponding mold locking frame 9 via the corresponding connecting rod 8. Figure 2 At the indicated position, the locking hook 10 rotates clockwise until its head extends into the corresponding groove 6, completing the locking process. When unlocking is required, the piston rods of the four second drive cylinders 7 retract inward simultaneously, pushing the corresponding locking hook 10 to swing around the hinge point a between the corresponding locking hook 10 and the corresponding locking mold frame 9 via the corresponding connecting rod 8. Figure 2 At the indicated position, the locking hook 10 rotates counterclockwise until the head of the locking hook exits the corresponding groove 6, completing the unlocking process. At this point, the upper mold 4 and the lower mold 1 can be separated, and demolding can then proceed.

[0024] This mold, when used in conjunction with foaming injection equipment, enables mechanized production. Compared to the traditional method of manually edge-locking aluminum alloy strips, it greatly improves processing efficiency, ensures product consistency, and achieves a high pass rate, significantly reducing costs.

[0025] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any modifications or equivalent changes made based on the technical essence of the present utility model shall still fall within the scope of protection claimed by the present utility model.

Claims

1. Air conditioning filter bag locking mold, including: The upper mold and lower mold are characterized in that: a filter bag support frame and a lower mold cavity are provided on the lower mold, and a channel for the filter bag support frame to pass through and an upper mold cavity are provided on the upper mold. After the upper mold and the lower mold are closed, the upper mold cavity and the lower mold cavity form a locking mold cavity that corresponds to and matches the outer contour of the locking edge of the lower edge of the air conditioning filter bag. A movable cavity is provided in the lower mold, and a plurality of vertical through holes are opened downward on the bottom surface of the lower mold cavity. The bottom of each vertical through hole penetrates the top surface of the movable cavity. A movable plate is placed in the movable cavity, and a plurality of push rods are provided on the movable plate. Each push rod corresponds to a vertical through hole, and the top end of each push rod extends into the corresponding vertical through hole. The movable plate is driven by a driving device. Under the drive of the driving device, the movable plate moves upward so that the top end of each push rod extends out of the top end of the corresponding vertical through hole, or the movable plate moves downward so that each push rod retracts into the corresponding vertical through hole.

2. The air conditioner filter bag locking mold according to claim 1, characterized in that: The structure of the drive device is as follows: two first drive cylinders are fixedly installed at the bottom of the lower mold, and the piston rods of the two first drive cylinders are fixedly connected to the moving plate.

3. The air conditioner filter bag locking mold according to claim 1 or 2, characterized in that: Each push rod is fitted with a spring. Under the elastic force of each spring, the two ends of each spring abut against the top surface and the bottom surface of the movable cavity, respectively.

4. The air conditioner filter bag locking mold according to claim 1, characterized in that: A mold-locking device is provided between the upper mold and the lower mold to lock the relative positions of the upper mold and the lower mold when they are in the mold-closed state.

5. The air conditioner filter bag locking mold according to claim 4, characterized in that: The structure of the mold-locking device is as follows: it includes four mold-locking mechanisms disposed on the upper mold, with the four mold-locking mechanisms arranged in pairs on both sides of the upper mold; the structure of each mold-locking mechanism is as follows: a mold-locking frame is installed on the upper mold, a locking hook is hinged to the mold-locking frame, the cylinder body of the second drive cylinder is installed on the mold-locking frame, one end of the connecting rod is hinged to the piston rod of the second drive cylinder, and the other end of the connecting rod is hinged to the tail of the locking hook; four grooves corresponding to the positions of each locking hook are provided on the lower mold, and when the upper mold and the lower mold are in the mold-closing state, each second drive cylinder can drive the corresponding locking hook to hook the corresponding groove.

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