Injection mold for high-impact-resistance special-shaped special tray

Abstract

The invention discloses an injection mold of a high-impact-resistance special-shaped special tray, relates to the technical field of tray injection molds, and aims to solve the technical problems that the cooling time of a sub-tray body with a large size is long, and a small connecting pin main body is easily overcooled, so that the energy consumption is increased, and the overall production efficiency is reduced. A disc dividing mold assembly is arranged on the side wall of the base, a double-face mold assembly is arranged at the top of the base, the disc dividing mold assembly comprises a disc dividing fixed mold, two disc dividing fork molds and two disc dividing side molds, the double-face mold assembly comprises a double-face movable mold, the double-face movable mold is of a multi-layer structure composed of a disc dividing movable mold, a cooling plate and a foot mold, and the cooling plate comprises a cooling pipe. The output end of the cooling pipe is provided with a side output port and a clamping groove type output port, and a splitter plate is arranged below the cooling pipe. The device has the advantages that waste of cold air resources is avoided, cooling forming of the sub-disc body is accelerated, the cooling time of the sub-disc body and the sub-disc body is shortened, and production efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of tray injection molds, and more specifically, to an injection mold for a high-impact-resistant special-shaped tray. Background Art

[0002] A high-impact-resistant special-shaped tray is a tray with special structures and properties, mainly used to meet the higher requirements for the impact resistance, stability, and versatility of trays in scenarios such as logistics transportation and warehousing. As shown in the tray body in the attached drawings of the specification Figure 1 This tray body has nine support feet at the bottom, distributed at the four corners, the middle of the four sides, and the center of the tray, arranged in three groups in parallel, with good stability, suitable for flat stacking and storage of lightly loaded goods. Fork holes are provided on the side walls of the tray body, and the fork holes provide access channels for the forklift forks. When the forklift operates, the forks are inserted into the fork holes, and the tray together with the goods can be lifted, facilitating logistics operations such as the handling, loading, and stacking of goods. The tray body is composed of four sub-tray bodies. As shown in Figure 2 As shown, a connecting foot body is arranged between two of the sub-tray bodies, and an internal barb structure is arranged on the side walls of the sub-tray bodies. The connecting foot body is arranged in the internal barb structure, which can accurately define the relative positions of adjacent sub-tray bodies, ensuring that the four sub-tray bodies are flat and aligned when spliced, and avoiding structural instability caused by misalignment.

[0003] During the production and processing process, conventional trays can be directly injection-molded using the mold cavity. However, in the injection molding process of this product, the sub-tray bodies and the connecting foot body need to be produced simultaneously in a matching manner, and an injection molding operation needs to be carried out through a mold with a special structure to realize the simultaneous production of the sub-tray bodies and the connecting foot body using a common mold. However, the wall thicknesses of the sub-tray bodies and the connecting foot body are quite different, and the overall structural dimensions are quite different. In the cooling stage of injection molding, a relatively long cooling time may be forced to ensure that the thick-walled and large-sized sub-tray bodies can complete cooling and molding. This easily leads to the phenomenon of excessive cooling of the small-sized connecting foot body, thereby increasing energy consumption and reducing the overall production efficiency. In view of this, we propose an injection mold for a high-impact-resistant special-shaped tray. Summary of the Invention

[0004] The purpose of the present invention is to provide an injection mold for a high-impact-resistant special-shaped tray to solve the technical problems that the cooling time of the relatively large-sized sub-tray bodies is long, and the small-sized connecting foot body is prone to excessive cooling, thereby increasing energy consumption and reducing the overall production efficiency.

[0005] To solve the above technical problems, the present invention provides the following technical solutions: An injection mold for a high-impact resistant special-shaped tray, comprising a base, a split-disk mold assembly arranged on the side wall of the base, and a double-sided mold assembly arranged on the top of the base; the split-disk mold assembly includes a split-disk fixed mold, two split-disk fork molds, and two split-disk side molds. The two split-disk fork molds are symmetrically distributed in the horizontal direction, and the two split-disk side molds are symmetrically distributed in the vertical direction; the split-disk fixed mold is used to form the bottom structure of the split-disk body, the split-disk fork mold is used to form the fork hole structure of the split-disk body, and the split-disk side mold is used to form the structure between the two support feet of the split-disk body. When the split-disk fixed mold, the two split-disk fork molds, and the two split-disk side molds are closed, a split-disk base mold structure is formed; the double-sided mold assembly includes a double-sided moving mold, and the double-sided moving mold is a multi-layer structure composed of a split-disk moving mold, a cooling plate, and a foot mold. When the split-disk moving mold of the double-sided moving mold is closed with the split-disk base mold structure, it is used for injection molding the split-disk body, and the foot mold is used for injection molding a plurality of connecting foot bodies; the cooling plate includes cooling pipes, the output end of the cooling pipes is provided with side output ports and slot-type output ports, a flow splitter is arranged below the cooling pipes, and the slot-type output ports and the top of the flow splitter have a separated state and a combined state. In the separated state, the cold air input by the cooling pipes cools and forms the split-disk body and the connecting foot bodies respectively through the flow splitter, and in the combined state, the cold air input by the cooling pipes is concentrated to cool and form the split-disk body through the side output ports.

[0006] Preferably, the split-disk fixed mold is connected to the side wall of the base. Fixed frames connected to the side wall of the base are respectively arranged in the four side directions of the split-disk fixed mold. A first cylinder is installed on the fixed frames. The output end of one of the first cylinders is connected to the side wall of the split-disk fork mold, and the output end of the other first cylinder is connected to the side wall of the split-disk side mold; one of the fixed frames is connected to the side wall of the split-disk fixed mold through a plurality of guide rods, and the other three fixed frames are connected to the side wall of the split-disk fixed mold in the same way; the split-disk fork mold is slidably arranged on the guide rods, and the split-disk side mold is slidably arranged on another group of the guide rods.

[0007] Preferably, the double-sided mold assembly includes a plurality of fixed plates arranged on the top of the base. Guide columns are installed on the side walls of the fixed plates, and a moving frame is slidably arranged on the guide columns. A second cylinder is also installed on the top of the base, and the output end of the second cylinder is connected to the side wall of the moving frame; a first slide rail is also arranged on the top of the base, a first chute is opened at the bottom of the moving frame, and the moving frame is slidably matched with the first slide rail through the first chute.

[0008] Preferably, a cylinder three and a motor are installed on the moving frame. The side wall of the moving frame is connected to the double-sided moving die through a plurality of fixing rods and connecting columns. A plurality of positioning plates are also connected to the side wall of the moving frame, and a second slide rail is connected to the side wall of the positioning plate.

[0009] Preferably, a mold groove is provided on the side wall of the foot mold. The shape of the mold groove is the same as the bottom structure of the connecting foot body. A plurality of third slide rails are arranged on the side wall of the foot mold. An upper mold frame and a lower mold frame are also arranged on the side wall of the foot mold. A second chute is provided on one side wall of the upper mold frame, and a third chute is provided on the other side wall. The upper mold frame is slidably matched with the second slide rail through the second chute, and the upper mold frame is slidably matched with the third slide rail through the third chute. The side wall of the lower mold frame is provided with the same chute structure as the side wall of the upper mold frame.

[0010] Preferably, a plurality of upper side molds are connected to the side wall of the upper mold frame, and a plurality of lower side molds are connected to the side wall of the lower mold frame. When the upper side mold and the lower side mold are closed, a mold cavity structure can be formed in cooperation with the mold groove. A first tooth opening is also arranged on the side wall of the upper mold frame, and a second tooth opening is arranged on the side wall of the lower mold frame. The output end of the motor is connected with a gear, and the gear is arranged between the upper mold frame and the lower mold frame. The gear is respectively meshed and connected with the first tooth opening and the second tooth opening. The output end of the cylinder three is connected with a sliding column, and the sliding column movably penetrates through the side wall of the moving frame. The end of the sliding column is connected with a top mold, and the top mold is slidably arranged on the fixing rod. When the top mold is closed with the mold cavity structure, the shape of the connecting foot body can be formed.

[0011] Preferably, an air chamber is provided on the side wall of the split plate moving die. The air chamber is a rectangular chamber structure, and a plurality of cooling channels are provided on the inner side wall of the air chamber. The plurality of cooling channels are arranged in a quadrilateral direction. A first discharge channel communicated with the cooling channel is arranged inside the split plate fork die, and a second discharge channel communicated with the cooling channel is arranged inside the split plate side die.

[0012] Preferably, a cylinder four is arranged on the side wall of the cooling plate. The output end of the cylinder four is connected with a lifting plate. A hole is provided in the lifting plate from top to bottom. The lifting plate is connected with the cooling pipe through the hole. The cooling pipe movably penetrates through the top of the cooling plate, and the bottom of the cooling pipe is arranged in the inner cavity of the cooling plate. The inner cavity of the cooling pipe has a structure that is larger at the top and smaller at the bottom. The input end of the cooling pipe is connected with an external cold air device through an air pipe. The inner cavity of the cooling plate is separated into a flow collecting area and a flow discharging area by a flow dividing plate, and the flow collecting area is communicated with the air chamber through a flow collecting port.

[0013] Preferably, the cross-section of the flow splitter plate is an isosceles triangle structure, and the top is provided with an arc surface structure. The shape of the slot-type output port fits the shape of the top structure of the flow splitter plate. When the top structure of the flow splitter plate is inserted into the slot-type output port, it can form a sealing effect on the slot-type output port; the side output port is communicated with the current collection area.

[0014] Preferably, a plurality of flow guide plates connected to the side wall of the flow splitter plate are arranged in the flow diversion area. The plurality of flow guide plates are combined to form a multi-channel structure with an open top. The output end of the multi-channel structure is arranged at the bottom of the cooling plate. The multi-channel structure is used to disperse and transport the cold air.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. By providing a side output port and a slot-type output port at the output end of the cooling pipe in the present invention, and arranging a flow splitter plate below the cooling pipe, the flexible switching of the cold air cooling path is realized by using the separation or combination state of the slot-type output port and the top of the flow splitter plate. Because of the differences in wall thickness, structure size, etc. between the sub-disk body and the connecting foot body, the cooling time of the sub-disk body is longer and the cooling time of the connecting foot body is shorter. In the initial cooling stage, using the separation state of the slot-type output port and the top of the flow splitter plate, part of the cold air input by the cooling pipe is evenly split by the flow splitter plate, so that the cold air can cool the sub-disk body and the connecting foot body at the same time, and the other part of the cold air directly cools the sub-disk body through the side output port, so that the cold air flow rate for cooling the sub-disk body is larger and the cold air flow rate for cooling the connecting foot body is smaller, making the distribution of cold air resources reasonable and providing more cold air flow rate for the sub-disk body that requires a longer cooling time. In the later cooling stage, since the connecting foot body product is smaller and the wall thickness is thinner, the connecting foot body is preferentially cooled and formed. At this time, the slot-type output port and the top of the flow splitter plate are combined, that is, the top of the flow splitter plate is inserted into the slot-type output port to seal it, and the cold air input by the cooling pipe only cools the sub-disk body intensively through the side output port, avoiding the waste of cold air resources, further accelerating the cooling and forming of the sub-disk body, shortening the cooling time of the two products, and improving the production efficiency.

[0016] 2. The present invention designs a current collecting area, which is connected to the air chamber through a current collecting port. When the connecting foot body is preferentially cooled and formed, the lifting plate is driven by the cylinder four to drive the cooling pipe to move downward, so that the top of the flow dividing plate is inserted into the clamping groove type output port at the bottom of the cooling pipe to seal it. The cold air input by the cooling pipe is only output through the side output port, first enters the current collecting area, and then is blown into the air chamber through the current collecting port to centrally cool the dividing plate body. During this process, the cold air will have a retention phenomenon in the current collecting area, and the heat in the flow dividing area can be absorbed through the flow dividing plate. Therefore, when centrally cooling the dividing plate body, the remaining cold of the cold air in the current collecting area can be used to redundantly cool the connecting foot body, further ensuring the effect of the cooling and forming of the connecting foot body, avoiding the situation where the connecting foot body may have incomplete local cooling, and providing a guarantee for the effect of the cooling and forming of the connecting foot body.

[0017] 3. The present invention designs the cross-section of the flow dividing plate as an isosceles triangle structure and the top as an arc surface structure. When the flow dividing plate is inserted into the clamping groove type output port, the inclined surface structure of the isosceles triangle presses against the inner wall of the clamping groove type output port, which can completely seal the outlet, block the cold air from flowing to the flow dividing area, and make the cold air only be transported to the current collecting area through the side output port, ensuring the concentration of the cold air during the cooling stage of the dividing plate body. When the flow dividing plate is separated from the clamping groove type output port, the cold air can be guided by the arc surface at the top of the flow dividing plate and evenly distributed to the flow dividing area and the current collecting area. Using the isosceles triangle structure, the bottom spaces of the flow dividing area and the current collecting area are relatively small, and the retention time of the cold air in the flow dividing area and the current collecting area is relatively long, improving the effect of the cold air absorbing heat.

[0018] 4. By setting a multi-channel structure composed of flow guiding plates in the flow dividing area, the refined and dispersed transportation of the cold air is realized. The top-opening multi-channel structure formed by the combination of the flow guiding plates can first concentrate the air flow input from the cooling pipe by the cold air, and then evenly disperse it into multiple independent air flows. The dispersed multiple small air flows respectively conduct heat exchange, which can improve the effect of the cold air heat exchange, avoid the situation where when a large air flow directly conducts heat exchange, there is redundant cold air that has not been heat exchanged and is discharged, resulting in waste of resources, and the guiding effect of the multi-channel structure formed by the combination of the flow guiding plates can standardize the cold air flow direction, solving the problem that the air flow is prone to form disordered turbulence in the flow dividing area, the hot air still remains in the flow dividing area, and the energy utilization rate is relatively low. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the tray body of the present invention; Figure 2 It is a schematic diagram of the structure of the dividing plate body and the connecting foot body of the present invention; Figure 3 It is a schematic diagram of the overall structure of the injection mold of the present invention; Figure 4 It is a schematic diagram of the structure of the dividing plate mold assembly of the present invention; Figure 5 Schematic structural diagram of another state of the sub-disk mold assembly of the present invention; Figure 6 Schematic structural diagram of the double-sided mold assembly of the present invention; Figure 7 Schematic structural diagram of the moving frame of the present invention; Figure 8 Schematic structural diagram of the separation of the moving frame and the double-sided moving mold of the present invention; Figure 9 Schematic structural diagram of the double-sided moving mold of the present invention; Figure 10 Schematic structural diagram of the separation of the upper mold base, the lower mold base and the foot mold of the present invention; Figure 11 Schematic structural diagram of the other side of the upper mold base and the lower mold base of the present invention; Figure 12 Schematic structural diagram of the upper side mold and the lower side mold of the present invention; Figure 13 Schematic cross-sectional view of the closed state of the sub-disk moving mold and the sub-disk fork mold of the present invention; Figure 14 Schematic cross-sectional view of the closed state of the sub-disk moving mold and the sub-disk edge mold of the present invention; Figure 15 Schematic structural diagram of the separation of the sub-disk moving mold, the cooling plate and the foot mold of the present invention; Figure 16 Schematic diagram of another perspective of the separation structure of the sub-disk moving mold, the cooling plate and the foot mold of the present invention; Figure 17 Schematic cross-sectional view of the cooling plate of the present invention; Figure 18 Schematic cross-sectional view of the cooling pipe of the present invention.

[0020] Description of the reference numerals in the figure: 2. Base; 3. Sub-disk mold assembly; 4. Double-sided mold assembly; 101. Fork hole; 102. Sub-disk body; 103. Connecting foot main body; 31. Sub-disk fixed mold; 32. Sub-disk fork mold; 33. Sub-disk edge mold; 34. Fixed frame; 35. Cylinder 1; 36. Guide rod; 3201. Discharge channel 1; 3301. Discharge channel 2; 41. Double-sided moving mold; 42. Fixed plate; 43. Guide post; 44. Moving frame; 45. Cylinder 2; 46. Slide rail 1; 411. Split-moving die; 41101. Air chamber; 41102. Cooling channel; 412. Cooling plate; 41201. Cooling pipe; 41202. Side outlet; 41203. Groove-type outlet; 41204. Manifold plate; 41205. Cylinder four; 41206. Lifting plate; 41207. Confluence area; 41208. Diverging area; 41209. Confluence port; 41210. Deflector plate; 413. Foot mold; 41301. Mold cavity; 41302. Slide rail three; 41303. Upper mold base; 41304. Lower mold base; 41305. Slide groove two; 41306. Slide groove three; 41307. Upper side mold; 41308. Lower side mold; 41309. Tooth opening one; 41310. Tooth opening two; 4401. Slide groove one; 4402. Cylinder three; 4403. Motor; 4404. Fixed rod; 4405. Connecting column; 4406. Positioning plate; 4407. Slide rail two; 4408. Gear; 4409. Slide post; 4410. Top mold. Detailed implementation mode

[0021] As Figures 1 to 18 shown, an injection mold for a high-impact-resistant special-shaped tray according to the present invention includes a base 2, a split-die mold assembly 3 is arranged on the side wall of the base 2, and a double-sided mold assembly 4 is arranged on the top of the base 2; the split-die mold assembly 3 includes a split-die fixed mold 31, two split-die fork molds 32 and two split-die side molds 33, and the two split-die fork molds 32 are symmetrically distributed in the horizontal direction, and the two split-die side molds 33 are symmetrically distributed in the vertical direction; Specifically, a mold structure corresponding to the bottom structure of the split plate body 102 is arranged on the side wall of the split-die fixed mold 31. The split-die fixed mold 31 is used to form the bottom structure of the split plate body 102. A mold structure corresponding to the structure of the fork hole 101 area on the side wall of the split plate body 102 is arranged on the side wall of the split-die fork mold 32. The split-die fork mold 32 is used to form the fork hole 101 structure of the split plate body 102. A mold structure corresponding to the structure of the other side wall of the split plate body 102 is arranged on the side wall of the split-die side mold 33. The split-die side mold 33 is used to form the structure between the two support feet of the split plate body 102. When the split-die fixed mold 31, the two split-die fork molds 32 and the two split-die side molds 33 are closed, a split-base mold structure is formed; the specific structural shapes of the split-die fixed mold 31, the split-die fork mold 32 and the split-die side mold 33 are adapted to the structure of the split plate body 102, and will not be elaborated here; Further, the double-sided mold assembly 4 includes a double-sided moving mold 41. The double-sided moving mold 41 is a multi-layer structure composed of a split-plate moving mold 411, a cooling plate 412, and a foot mold 413. One side of the cooling plate 412 is connected to the split-plate moving mold 411, and the other side is connected to the foot mold 413. When the split-plate moving mold 411 of the double-sided moving mold 41 is closed with the split-plate base mold structure, it is used for injection molding the split plate body 102, and the foot mold 413 is used for injection molding a plurality of connecting foot bodies 103. By designing the double-sided moving mold 41, it is possible to simultaneously perform injection molding on the split plate body 102 and a plurality of connecting foot bodies 103.

[0022] In an embodiment of the present invention, the cooling plate 412 includes a cooling pipe 41201. The output end of the cooling pipe 41201 is provided with a side output port 41202 and a slot-type output port 41203. A flow distribution plate 41204 is arranged below the cooling pipe 41201. The slot-type output port 41203 and the top of the flow distribution plate 41204 have a separated state and a combined state. In the separated state, the cold air input by the cooling pipe 41201 cools and forms the divided disk body 102 and the connecting pin main body 103 respectively through the flow distribution plate 41204. In the combined state, the cold air input by the cooling pipe 41201 cools and forms the divided disk body 102 intensively through the side output port 41202. The present invention realizes flexible switching of the cold air cooling path by providing the side output port 41202 and the slot-type output port 41203 at the output end of the cooling pipe 41201 and arranging the flow distribution plate 41204 below the cooling pipe 41201, and using the separated or combined state of the slot-type output port 41203 and the top of the flow distribution plate 41204. Because of the differences in wall thickness, structure size, etc. between the divided disk body 102 and the connecting pin main body 103, the cooling time of the divided disk body 102 is longer and the cooling time of the connecting pin main body 103 is shorter. In the initial cooling stage, using the separated state of the slot-type output port 41203 and the top of the flow distribution plate 41204, part of the cold air input by the cooling pipe 41201 is evenly distributed through the flow distribution plate 41204, so that the cold air can cool the divided disk body 102 and the connecting pin main body 103 simultaneously, and the other part of the cold air directly cools the divided disk body 102 through the side output port 41202, so that the cold air flow rate for cooling the divided disk body 102 is larger and the cold air flow rate for cooling the connecting pin main body 103 is smaller, making the distribution of cold air resources reasonable and providing more cold air flow rate for the divided disk body 102 that requires a longer cooling time. In the later cooling stage, since the connecting pin main body 103 product is smaller and the wall thickness is thinner, the connecting pin main body 103 is preferentially cooled and formed. At this time, the slot-type output port 41203 and the top of the flow distribution plate 41204 are in a combined state, that is, the top of the flow distribution plate 41204 is inserted into the slot-type output port 41203 to close it, and the cold air input by the cooling pipe 41201 only cools the divided disk body 102 intensively through the side output port 41202, avoiding waste of cold air resources, further accelerating the cooling and forming of the divided disk body 102, shortening the cooling time of the two products, and improving the production efficiency.

[0023] In an embodiment of the present invention, the split-plate fixed mold 31 is connected to the side wall of the base 2. Fixed frames 34 connected to the side wall of the base 2 are arranged in four directions of the split-plate fixed mold 31. A first cylinder 35 is installed on the fixed frame 34. The output end of one of the first cylinders 35 is connected to the side wall of the split-plate fork mold 32, and the output end of the other first cylinder 35 is connected to the side wall of the split-plate edge mold 33. One of the fixed frames 34 is connected to the side wall of the split-plate fixed mold 31 through a plurality of guide rods 36, and the other three fixed frames 34 are connected to the side wall of the split-plate fixed mold 31 in the same manner. The split-plate fork mold 32 is slidably arranged on the guide rods 36, and the split-plate edge mold 33 is slidably arranged on another group of guide rods 36. Among them, a plurality of guide rails are also arranged on the side wall of the split-plate fixed mold 31. Every two guide rails form a group, and each group of guide rails is respectively consistent with the output direction of each first cylinder 35. The split-plate fork mold 32 is slidably arranged on one group of guide rails, and the split-plate edge mold 33 is slidably arranged on another group of guide rails. By the operation of one of the first cylinders 35, while driving the split-plate fork mold 32 to slide on the guide rods 36, the split-plate fork mold 32 slides along the guide rails, making the split-plate fork mold 32 move more smoothly in the horizontal direction. Similarly, the split-plate edge mold 33 moves more smoothly in the vertical direction, enabling the two split-plate fork molds 32 and the two split-plate edge molds 33 to perform mold closing more stably and accurately.

[0024] In an embodiment of the present invention, the double-sided mold assembly 4 includes a plurality of fixed plates 42 arranged on the top of the base 2. Guide columns 43 are installed on the side walls of the fixed plates 42. A moving frame 44 is slidably arranged on the guide columns 43. A second cylinder 45 is also installed on the top of the base 2, and the output end of the second cylinder 45 is connected to the side wall of the moving frame 44. A first slide rail 46 is also arranged on the top of the base 2. A first chute 4401 is formed at the bottom of the moving frame 44, and the moving frame 44 is slidably matched with the first slide rail 46 through the first chute 4401. A third cylinder 4402 and a motor 4403 are installed on the moving frame 44. The side wall of the moving frame 44 is connected to the double-sided moving mold 41 through a plurality of fixed rods 4404 and connecting columns 4405. A plurality of positioning plates 4406 are also connected to the side wall of the moving frame 44, and a second slide rail 4407 is connected to the side wall of the positioning plate 4406. The second cylinder 45 serves as a power source, and by pushing or pulling the moving frame 44 through the output end, the moving frame 44 slides along the first slide rail 46 on the top of the base 2. At the same time, the moving frame 44 slides synchronously along the guide columns 43 on the side walls of the fixed plates 42. The guide columns 43 limit the sway of the moving frame 44 to ensure the translation accuracy. When the output end of the second cylinder 45 extends, it drives the moving frame 44 to move towards the split-plate mold assembly 3, driving the double-sided moving mold 41 close to the split-plate base mold structure until the split-plate moving mold 411 is closed with the split-plate base mold to form the injection mold cavity of the split-plate body 102. When the second cylinder 45 contracts, it pulls the moving frame 44 to move in the reverse direction, separating the double-sided moving mold 41 from the split-plate base mold structure, facilitating the removal of the formed split-plate body 102.

[0025] In an embodiment of the present invention, a mold groove 41301 is provided on the side wall of the foot mold 413. The shape of the mold groove 41301 is the same as the bottom structure of the connecting foot body 103, serving as the basic positioning surface during injection molding to ensure the shape accuracy of the bottom of the connecting foot body 103. A plurality of slide rails three 41302 are arranged on the side wall of the foot mold 413; an upper mold base 41303 and a lower mold base 41304 are also arranged on the side wall of the foot mold 413. A chute two 41305 is provided on one side wall of the upper mold base 41303, and a chute three 41306 is provided on the other side wall. The upper mold base 41303 is slidably engaged with the slide rail two 4407 through the chute two 41305, and the upper mold base 41303 is slidably engaged with the slide rail three 41302 through the chute three 41306, restricting the vertical movement trajectory of the upper mold base 41303 to avoid deviation; the side wall of the lower mold base 41304 is provided with the same chute structure as the side wall of the upper mold base 41303. Through the guiding structure of the double slide rails and double chutes, the stability of the upper mold base 41303 and the lower mold base 41304 during movement is ensured, avoiding the misalignment of the mold cavity caused by movement deviation and affecting the forming accuracy of the connecting foot body 103.

[0026] As another embodiment of the present invention, a plurality of upper side molds 41307 are connected to the side wall of the upper mold base 41303, and a plurality of lower side molds 41308 are connected to the side wall of the lower mold base 41304; when the upper side mold 41307 and the lower side mold 41308 are closed, the cooperating mold groove 41301 can form a mold cavity structure; a first notch 41309 is further arranged on the side wall of the upper mold base 41303, and a second notch 41310 is further arranged on the side wall of the lower mold base 41304; the output end of the motor 4403 is connected to a gear 4408, the gear 4408 is arranged between the upper mold base 41303 and the lower mold base 41304, the gear 4408 is respectively meshed and connected with the first notch 41309 and the second notch 41310, the motor 4403 drives the gear 4408 to rotate, the gear 4408 simultaneously meshes with the first notch 41309 of the upper mold base 41303 and the second notch 41310 of the lower mold base 41304, so that the upper mold base 41303 and the lower mold base 41304 translate in the opposite direction along the slide rail; the output end of the third cylinder 4402 is connected to a slide column 4409, the slide column 4409 movably penetrates through the side wall of the moving frame 44, and the end of the slide column 4409 is connected to a top mold 4410, the top mold 4410 is slidably arranged on the fixed rod 4404; when the top mold 4410 is closed with the mold cavity structure, the shape of the connecting leg body 103 can be formed. By translating the upper mold base 41303 and the lower mold base 41304 in the opposite direction along the slide rail, the upper side mold 41307 and the lower side mold 41308 can be closed or separated. In the closed state, the upper side mold 41307 and the lower side mold 41308 are closed, and the mold groove 41301 of the cooperating foot mold 413 together encloses a mold cavity structure. Then, the third cylinder 4402 is used to push the slide column 4409, driving the top mold 4410 to slide along the fixed rod 4404 until the top mold 4410 is closed with the mold cavity structure, forming a cavity with the complete contour of the connecting leg body 103, which is convenient for injection molding operation.

[0027] In the embodiment of the present invention, an air chamber 41101 is opened on the side wall of the split disk moving mold 411. The air chamber 41101 is a rectangular chamber structure, and a plurality of cooling channels 41102 are opened on the inner side wall of the air chamber 41101. The plurality of cooling channels 41102 are arranged in the four-side direction; a first discharge channel 3201 communicated with the cooling channel 41102 is arranged inside the split disk fork mold 32, and a second discharge channel 3301 communicated with the cooling channel 41102 is arranged inside the split disk side mold 33. In the present invention, when cold air enters the air chamber 41101, it can be evenly output along the four-side structure of the split disk body 102 through the plurality of cooling channels 41102 arranged in the four-side direction, and discharged from the first discharge channel 3201 of the split disk fork mold 32 and the second discharge channel 3301 of the split disk side mold 33, taking away the heat, realizing the comprehensive cooling of the split disk body 102, improving the uniformity of cooling, and reducing the risk of product deformation easily caused by uneven cooling.

[0028] In an embodiment of the present invention, a cylinder four 41205 is arranged on the side wall of the cooling plate 412. The output end of the cylinder four 41205 is connected to a lifting plate 41206. The lifting plate 41206 is provided with holes from top to bottom. The lifting plate 41206 is connected to the cooling pipe 41201 through the holes. The cooling pipe 41201 movably penetrates through the top of the cooling plate 412. The bottom of the cooling pipe 41201 is arranged in the inner cavity of the cooling plate 412. The inner cavity of the cooling pipe 41201 has a structure that is larger at the top and smaller at the bottom. The wind speed is increased by using the pipe diameter contraction effect. The input end of the cooling pipe 41201 is connected to an external cold air device through an air pipe. The inner cavity of the cooling plate 412 is divided into a flow collection area 41207 and a flow diversion area 41208 by a flow diversion plate 41204. The flow collection area 41207 is communicated with the air chamber 41101 through a flow collection port 41209. By controlling the lifting plate 41206 to move along the axial direction of the cooling pipe 41201 by the cylinder four 41205, the lifting of the lifting plate 41206 will drive the bottom of the cooling pipe 41201 to move up and down in the inner cavity of the cooling plate 412, thereby changing the relative position between the clamping groove type output port 41203 and the top of the flow diversion plate 41204, and realizing the separation or combination of the clamping groove type output port 41203 and the top of the flow diversion plate 41204. In the present invention, by designing the flow collection area 41207, the flow collection area 41207 is communicated with the air chamber 41101 through the flow collection port 41209. When the connecting foot body 103 is preferentially cooled and formed, the cylinder four 41205 is used to control the lifting plate 41206 to drive the cooling pipe 41201 to move downward, so that the top of the flow diversion plate 41204 is inserted into the clamping groove type output port 41203 at the bottom of the cooling pipe 41201 to seal it. The cold air input by the cooling pipe 41201 is only output through the side output port 41202, first enters the flow collection area 41207, and then is blown into the air chamber 41101 through the flow collection port 41209 to cool the split disk body 102 centrally. In this process, the cold air will stay in the flow collection area 41207, and the heat in the flow diversion area 41208 can be absorbed through the flow diversion plate 41204. Thus, when cooling the split disk body 102 centrally, the redundant cooling of the connecting foot body 103 can be carried out by using the residual cold of the cold air in the flow collection area 41207, further ensuring the cooling and forming effect of the connecting foot body 103, avoiding the situation that the connecting foot body 103 may have local incomplete cooling, and providing a guarantee for the cooling and forming effect of the connecting foot body 103.

[0029] As another embodiment of the present invention, the cross-section of the flow splitter 41204 is an isosceles triangle structure, and the top is provided with an arc surface structure. The shape of the slot-type output port 41203 fits the shape of the top structure of the flow splitter 41204. When the top structure of the flow splitter 41204 is inserted into the slot-type output port 41203, it can form a sealing effect on the slot-type output port 41203; the side output port 41202 is connected to the flow collection area 41207. By designing the cross-section of the flow splitter 41204 as an isosceles triangle structure and the top as an arc surface structure, when the flow splitter is inserted into the slot-type output port 41203, the inclined surface structure of the isosceles triangle presses against the inner wall of the slot-type output port 41203, which can completely seal the outlet, block the cold air from flowing to the flow-diverging area 41208, and make the cold air only be conveyed to the flow collection area 41207 through the side output port 41202, ensuring the concentration of the cold air during the cooling stage of the sub-disc body 102. When the flow splitter 41204 is separated from the slot-type output port 41203, the cold air can be guided by the arc surface at the top of the flow splitter 41204 and evenly distributed to the flow-diverging area 41208 and the flow collection area 41207. With the isosceles triangle structure, the bottom spaces of the flow-diverging area 41208 and the flow collection area 41207 are smaller, and the residence time of the cold air in the flow-diverging area 41208 and the flow collection area 41207 is longer, improving the effect of the cold air absorbing heat.

[0030] As another embodiment of the present invention, a plurality of flow guide plates 41210 connected to the side wall of the flow splitter 41204 are arranged in the flow-diverging area 41208. The plurality of flow guide plates 41210 are combined to form a multi-channel structure with an open top. The output end of the multi-channel structure is arranged at the bottom of the cooling plate 412. The multi-channel structure is used to disperse and convey the cold air. By setting the multi-channel structure formed by the combination of the flow guide plates 41210 in the flow-diverging area 41208, the refined and dispersed conveyance of the cold air is realized. The multi-channel structure with an open top formed by the combination of the flow guide plates 41210 can first concentrate the air flow input from the cooling pipe 41201 and then evenly disperse it into multiple independent air flows. The dispersed multiple small air flows perform heat exchange respectively, which can improve the heat exchange effect of the cold air and avoid the waste of resources caused by the fact that when a large air flow directly performs heat exchange, there is excess cold air that has not undergone heat exchange and is discharged. The guiding effect of the multi-channel structure formed by the combination of the flow guide plates 41210 can standardize the cold air flow direction and solve the problem that the air flow is prone to form disordered turbulence in the flow-diverging area 41208, the hot air still remains in the flow-diverging area 41208, and the energy utilization rate is low.

[0031] Working principle: This embodiment provides an injection mold for a high-impact-resistant special-shaped tray. When in use, first start the first cylinder 35 to drive the split disk fork mold 32 and the split disk side mold 33 to move along the guide rod 36 towards the split disk fixed mold 31 for mold closing to form a split disk base mold structure. At the same time, the second cylinder 45 pushes the moving frame 44 to move along the first slide rail 46 and the guide column 43, so that the split disk moving mold 411 is combined with the split disk base mold structure to form the cavity of the split disk body 102. Then, the motor 4403 drives the gear 4408 to make the upper mold frame 41303 and the lower mold frame 41304 move in reverse translation along the second slide rail 4407 and the third slide rail 41302. The upper side mold 41307 and the lower side mold 41308 are combined to cooperate with the mold groove 41301 to form a mold cavity structure. Then, the third cylinder 4402 pushes the slide column 4409 to make the top mold 4410 combined with the mold cavity structure to form the cavity of the connecting foot main body 103. Then, injection molding operation is carried out on the cavity of the split disk body 102 and the cavity of the connecting foot main body 103 through an injection molding device. During cooling, at the initial stage, the slot-type output port 41203 of the cooling pipe 41201 is in a separated state from the top of the flow splitter plate 41204. Cold air enters the collection area 41207 through the side output port 41202 and then reaches the air storage chamber 41101 through the collection port 41209, and flows through the cooling channel 41102, the first discharge channel 3201, and the second discharge channel 3301 to cool the split disk body 102. At the same time, another part of the cold air is output through the slot-type output port 41203, and then is guided by the flow splitter plate 41204 to the collection area 41207 and the flow diversion area 41208. The cold air in the flow diversion area 41208 is dispersed and conveyed by the flow guide plate 41210 to cool the connecting foot main body 103. When the connecting foot main body is cooled and formed, the fourth cylinder 41205 drives the lifting plate 41206 to drive the cooling pipe 41201 to move downward, so that the top of the flow splitter plate 41204 is inserted into the slot-type output port 41203 to seal it. The cold air is only concentrated and output through the side output port 41202 to cool the split disk body 102. Finally, the third cylinder 4402 contracts and the motor 4403 reverses to separate the upper mold frame 41303 and the lower mold frame 41304 to take out the connecting foot main body 103. The second cylinder 45 contracts to drive the double-sided moving mold 41 to separate from the split disk base mold structure. The first cylinder 35 drives the split disk fork mold 32 and the split disk side mold 33 to retreat in the reverse direction to take out the split disk body 102, completing one production cycle.

[0032] The embodiments disclosed in this invention are preferred embodiments, but not limited thereto. Those of ordinary skill in the art can easily understand the spirit of this invention based on the above embodiments and make different extensions and changes. However, as long as they do not depart from the spirit of this invention, they are within the protection scope of this invention.

Claims

1. An injection mold for a high-impact resistant special-shaped tray, characterized in that, It includes a base, on the side wall of which a disk-splitting die assembly is arranged, and on the top of which a double-sided die assembly is arranged. The disk-splitting die assembly includes a disk-splitting fixed die, two disk-splitting fork dies and two disk-splitting side dies. The two disk-splitting fork dies are symmetrically distributed in the horizontal direction, and the two disk-splitting side dies are symmetrically distributed in the vertical direction. The disk-splitting fixed die is used to form the bottom structure of the disk-splitting body. The disk-splitting fork die is used to form the fork hole structure of the disk-splitting body. The disk-splitting side die is used to form the structure between the two support feet of the disk-splitting body. When the disk-splitting fixed die, the two disk-splitting fork dies and the two disk-splitting side dies are closed, a disk-splitting base die structure is formed. The double-sided die assembly includes a double-sided moving die, which is a multi-layer structure composed of a disk-splitting moving die, a cooling plate and a foot die. When the disk-splitting moving die of the double-sided moving die is closed with the disk-splitting base die structure, it is used for injection molding the disk-splitting body, and the foot die is used for injection molding a plurality of connecting foot bodies. The cooling plate includes cooling pipes. The output end of the cooling pipes is provided with side output ports and slot-type output ports. A flow dividing plate is arranged below the cooling pipes. The slot-type output port and the top of the flow dividing plate have a separated state and a combined state. In the separated state, the cold air input by the cooling pipes cools and forms the disk-splitting body and the connecting foot bodies respectively through the flow dividing plate. In the combined state, the cold air input by the cooling pipes is concentrated through the side output ports to cool and form the disk-splitting body.

2. The injection mold for a high impact-resistant special-shaped tray according to claim 1, characterized in that, The disk-splitting fixed die is connected to the side wall of the base. Fixing frames connected to the side wall of the base are respectively arranged in the four directions of the disk-splitting fixed die. A cylinder one is installed on the fixing frames. The output end of one of the cylinder ones is connected to the side wall of the disk-splitting fork die, and the output end of the other cylinder one is connected to the side wall of the disk-splitting side die. One of the fixing frames is connected to the side wall of the disk-splitting fixed die through a plurality of guide rods, and the other three fixing frames are connected to the side wall of the disk-splitting fixed die in the same way. The disk-splitting fork die is slidably arranged on the guide rods, and the disk-splitting side die is slidably arranged on another group of guide rods.

3. The injection mold for a high-impact resistant special-shaped tray according to claim 2, characterized in that, The double-sided die assembly includes a plurality of fixing plates arranged on the top of the base. Guide columns are installed on the side walls of the fixing plates. A moving frame is slidably arranged on the guide columns. A cylinder two is also installed on the top of the base, and the output end of the cylinder two is connected to the side wall of the moving frame. A slide rail one is also arranged on the top of the base. A chute one is opened at the bottom of the moving frame, and the moving frame is slidably matched with the slide rail one through the chute one.

4. The injection mold for a high-impact resistant special-shaped tray according to claim 3, characterized in that, A cylinder three and a motor are installed on the moving frame. The side wall of the moving frame is connected to the double-sided moving die through a plurality of fixing rods and connecting columns. A plurality of positioning plates are also connected to the side wall of the moving frame, and a slide rail two is connected to the side wall of the positioning plate.

5. The injection mold for a high-impact-resistant special-shaped tray according to claim 4, characterized in that, A die groove is arranged on the side wall of the foot die, and the shape of the die groove is the same as the bottom structure of the connecting foot body. A plurality of slide rails three are arranged on the side wall of the foot die. The side wall of the foot mold is also provided with an upper mold frame and a lower mold frame. A second chute is provided on one side wall of the upper mold frame, and a third chute is provided on the other side wall. The upper mold frame is slidably engaged with the second slide rail through the second chute, and the upper mold frame is slidably engaged with the third slide rail through the third chute; The side wall of the lower mold frame is provided with the same chute structure as the side wall of the upper mold frame.

6. The injection mold for a high impact-resistant special-shaped tray according to claim 5, characterized in that, A plurality of upper side molds are connected to the side wall of the upper mold frame, and a plurality of lower side molds are connected to the side wall of the lower mold frame; when the upper side mold and the lower side mold are closed, a mold cavity structure can be formed in cooperation with the mold groove; A first tooth opening is also arranged on the side wall of the upper mold frame, and a second tooth opening is also arranged on the side wall of the lower mold frame; the output end of the motor is connected with a gear, and the gear is arranged between the upper mold frame and the lower mold frame, and the gear is respectively meshed and connected with the first tooth opening and the second tooth opening; The output end of the third cylinder is connected with a sliding column, the sliding column movably penetrates through the side wall of the moving frame, and the end of the sliding column is connected with a top mold, and the top mold is slidably arranged on the fixed rod; When the top mold is closed with the mold cavity structure, the shape of the connecting foot body can be formed.

7. The injection mold for a high impact-resistant special-shaped tray according to claim 6, characterized in that, An air chamber is provided on the side wall of the split disk moving mold. The air chamber is a rectangular chamber structure, and a plurality of cooling channels are provided on the inner side wall of the air chamber, and the plurality of cooling channels are arranged in a quadrilateral direction; A first discharge channel communicated with the cooling channel is arranged inside the split disk fork mold, and a second discharge channel communicated with the cooling channel is arranged inside the split disk side mold.

8. An injection mold for a high-impact resistant special-shaped tray according to claim 7, characterized in that, A fourth cylinder is arranged on the side wall of the cooling plate. The output end of the fourth cylinder is connected with a lifting plate. A hole is provided in the lifting plate from top to bottom, and the lifting plate is connected with the cooling pipe through the hole; The cooling pipe movably penetrates through the top of the cooling plate, the bottom of the cooling pipe is arranged in the inner cavity of the cooling plate, the inner cavity of the cooling pipe is of a structure with a larger upper part and a smaller lower part, and the input end of the cooling pipe is connected with an external cold air device through an air pipe; The inner cavity of the cooling plate is divided into a flow collecting area and a flow diverging area by the flow dividing plate, and the flow collecting area is communicated with the air chamber through a flow collecting port.

9. An injection mold for a high-impact resistant special-shaped tray according to claim 8, characterized in that, The cross section of the flow dividing plate is an isosceles triangle structure, and the top is provided with an arc surface structure. The shape of the clamping groove type output port fits the shape of the top structure of the flow dividing plate. When the top structure of the flow dividing plate is inserted into the clamping groove type output port, the clamping groove type output port can be closed; The side output port is communicated with the flow collecting area.

10. The injection mold for a high-impact resistant special-shaped tray according to claim 9, wherein A plurality of flow guiding plates connected to the side wall of the flow dividing plate are arranged in the flow diverging area, and the plurality of flow guiding plates are combined to form a multi-channel structure with an open top. The output end of the multi-channel structure is arranged at the bottom of the cooling plate, and the multi-channel structure is used for dispersedly transporting cold air.

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