Lifting positioning structure of hot runner mold

Abstract

The utility model relates to the technical field of hot runner molds, and discloses a lifting positioning structure of a hot runner mold, which comprises a base, support legs fixedly connected to the bottom of the base, a casting mold mechanism arranged at the top of the base, a demolding mechanism arranged at the bottom of the casting mold mechanism, and a lifting assembly and a clamping assembly, the supporting assembly is arranged on the top of the base, and the lifting assembly is arranged below the supporting assembly. According to the lifting positioning structure of the hot runner mold, through the arranged demolding mechanism, a sliding barrel drives a bottom sealing plate to always keep upward moving force through a telescopic sliding rod under the action of a compression spring, the bottom sealing plate keeps upward force in the downward process of a casting mold, and the larger the downward movement of the casting mold, the larger the upward force of the bottom sealing plate is; and after the upward force of the bottom sealing plate exceeds the connection strength between the workpiece and the casting mold, the bottom sealing plate upwards pushes the workpiece to be separated from the casting mold, and at the moment, the demolding work of the workpiece is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of hot runner moulds, in particular to a lifting and positioning structure of a hot runner mould. Background Art

[0002] Hot runner molds are molds that use heating devices to keep the melt in the runner from solidifying. Because they have a shorter molding cycle than traditional molds and save more raw materials, hot runner molds are widely used in industrially developed countries and regions around the world today.

[0003] When the existing hot runner mold needs to be demoulded after use, it is usually demoulded manually, which is inconvenient for the staff to operate and easily causes the workpiece to be damaged by stress, resulting in the workpiece being scrapped, and is inconvenient for the staff to use. Utility Model Content

[0004] The purpose of the utility model is to provide a lifting and positioning structure of a hot runner mold to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the utility model provides the following technical solutions: a lifting and positioning structure for a hot runner mold, comprising a base, a leg fixedly connected to the bottom of the base, a molding mechanism disposed on the top of the base, and a demolding mechanism disposed at the bottom of the molding mechanism.

[0006] The casting mechanism comprises a supporting assembly, a lifting assembly and a clamping assembly, wherein the supporting assembly is arranged on the top of the base, the lifting assembly is arranged below the supporting assembly, and the clamping assembly is arranged on the left side of the lifting assembly.

[0007] The demoulding mechanism comprises a telescopic component and a bottom cover component. The telescopic component is arranged on the top of the base, and the bottom cover component is arranged on the top of the telescopic component.

[0008] Preferably, the support assembly includes a support frame, the support frame is fixedly connected to the top of the base, a fixing rod is fixedly connected to the top of the support frame, a top plate is fixedly connected to the bottom of the fixing rod, and a clamping plate is fixedly connected to the bottom of the top plate.

[0009] Preferably, the lifting assembly includes an electric cylinder, which is fixedly connected to the bottom of the base, and the top of the electric cylinder is fixedly connected to an electric telescopic rod, which is clamped in the base, and the top of the electric telescopic rod is fixedly connected to a casting mold, and a groove is provided on the top of the casting mold at a position corresponding to the clamping plate.

[0010] Preferably, the clamping assembly includes a protrusion, which is fixedly connected to the left side of the bottom of the top plate, and the protrusion is clamped in the top of the casting mold. The casting mold is provided with a clamping groove corresponding to the position of the protrusion, and the left side of the protrusion is fixedly connected to flow channel 1, and flow channel 2 is arranged below flow channel 1, and flow channel 2 is fixedly connected to the left side of the casting mold. A clamping rod is fixedly connected to the bottom of the clamping groove, and the clamping rod is clamped in the bottom of the protrusion.

[0011] Preferably, the telescopic assembly includes a fixed cylinder, which is fixedly connected to the top of the base, a sliding cylinder is slidably connected to the fixed cylinder, a telescopic slide rod is fixedly connected to the top of the slide cylinder, the telescopic slide rod is slidably connected to the top of the fixed cylinder, a compression spring is fixedly connected to the top of the slide cylinder, the compression spring is sleeved on the outer ring of the telescopic slide rod, and the compression spring is fixedly connected to the top of the fixed cylinder.

[0012] Preferably, the bottom sealing assembly includes a bottom sealing plate, which is fixedly connected to the top of the telescopic slide rod, and the bottom sealing plate is clamped in the bottom of the casting mold. The top of the bottom sealing plate is fixedly connected with a clamping plate 2, and the clamping plate 2 is clamped in the bottom of the casting mold.

[0013] Compared with the prior art, the utility model provides a lifting and positioning structure for a hot runner mold, which has the following beneficial effects:

[0014] 1. The lifting and positioning structure of the hot runner mold, through the set mold mechanism, the staff only needs to start the electric cylinder to drive the casting mold downward and drive the workpiece downward to break away from the contact with the clamping plate 1 to complete the demoulding of the workpiece. The operation is simple and convenient for the staff to use. At the same time, the runner 1 and the runner 2 cooperate to form the runner, so that the workpiece will not be stuck in the mold due to the runner during the demoulding process, which is convenient for demoulding the workpiece. At the same time, the clamping rod is clamped in the convex block to increase the connection stability between the upper and lower runners 1 and runner 2, and improve the sealing of the runner 1 and runner 2 after cooperation.

[0015] 2. The lifting and positioning structure of the hot runner mold has a demoulding mechanism set up. The slide cylinder drives the bottom sealing plate to always maintain an upward moving force through the telescopic slide rod under the action of the compression spring. During the downward movement of the casting mold, the bottom sealing plate maintains an upward force. The more the casting mold moves downward, the greater the upward force of the bottom sealing plate. Until the upward force of the bottom sealing plate exceeds the connection strength between the workpiece and the casting mold, the bottom sealing plate pushes the workpiece upward to break away from the connection with the casting mold, and the demoulding work of the workpiece is completed at this time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

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

[0018] Figure 2 It is a partial structural schematic diagram of the utility model;

[0019] Figure 3 It is an exploded view of part of the structure of the utility model;

[0020] Figure 4 It is a partial structural sectional view of the utility model;

[0021] Figure 5 It is a schematic diagram of the partial structure of the lifting component;

[0022] Figure 6 It is a cross-sectional view of the structure of the clamping assembly;

[0023] Figure 7 It is a partial structural cross-sectional view of the demoulding mechanism.

[0024] In the figure: 1. casting mechanism; 11. supporting assembly; 1101. supporting frame; 1102. fixing rod; 1103. top plate; 1104. clamping plate 1; 12. lifting assembly; 1201. electric cylinder; 1202. electric telescopic rod; 1203. casting mold; 13. clamping assembly; 1301. bump; 1302. clamping groove; 1303. flow channel 1; 1304. flow channel 2; 1305. clamping rod; 2. demoulding mechanism; 21. telescopic assembly; 2101. fixing cylinder; 2102. sliding cylinder; 2103. telescopic sliding rod; 2104. compression spring; 22. bottom sealing assembly; 2201. bottom sealing plate; 2202. clamping plate 2; 3. base; 4. supporting legs. DETAILED DESCRIPTION

[0025] 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.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. 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 utility model provides a technical solution: Embodiment 1

[0028] Combination Figures 1 to 6 A lifting and positioning structure of a hot runner mold includes a base 3, a leg 4 is fixedly connected to the bottom of the base 3, a mold mechanism 1 is arranged on the top of the base 3, and a demoulding mechanism 2 is arranged at the bottom of the mold mechanism 1.

[0029] The mold mechanism 1 includes a support assembly 11 , a lifting assembly 12 and a clamping assembly 13 . The support assembly 11 is arranged on the top of the base 3 , the lifting assembly 12 is arranged below the support assembly 11 , and the clamping assembly 13 is arranged on the left side of the lifting assembly 12 .

[0030] The support assembly 11 includes a support frame 1101, the support frame 1101 is fixedly connected to the top of the base 3, a fixed rod 1102 is fixedly connected to the top of the support frame 1101, a top plate 1103 is fixedly connected to the bottom of the fixed rod 1102, and a clamping plate 1104 is fixedly connected to the bottom of the top plate 1103. The lifting assembly 12 includes an electric cylinder 1201, the electric cylinder 1201 is fixedly connected to the bottom of the base 3, an electric telescopic rod 1202 is fixedly connected to the top of the electric cylinder 1201, the electric telescopic rod 1202 is clamped in the base 3, a casting mold 1203 is fixedly connected to the top of the electric telescopic rod 1202, and the top of the casting mold 1203 is fixedly connected to the bottom of the base 3. A groove is provided at a position corresponding to the card plate 1104, and the card assembly 13 includes a protrusion 1301, the protrusion 1301 is fixedly connected to the left side of the bottom of the top plate 1103, the protrusion 1301 is carded in the top of the casting mold 1203, and the casting mold 1203 is provided with a card slot 1302 at a position corresponding to the protrusion 1301, the left side of the protrusion 1301 is fixedly connected to the flow channel 1303, the flow channel 2 1304 is arranged below the flow channel 1303, the flow channel 2 1304 is fixedly connected to the left side of the casting mold 1203, and the bottom of the card slot 1302 is fixedly connected to a clamping rod 1305, and the clamping rod 1305 is carded in the bottom of the protrusion 1301.

[0031] Furthermore: the staff only needs to start the electric cylinder 1201 to drive the casting mold 1203 downward to drive the workpiece downward to break away from the contact with the clamping plate 1104 to complete the demolding of the workpiece. The operation is simple and convenient for the staff to use. At the same time, the runner 1303 and the runner 2 1304 cooperate to form the runner, so that the workpiece will not be stuck in the mold due to the runner during the demolding process, which is convenient for demolding the workpiece. At the same time, the clamping rod 1305 is clamped in the protrusion 1301 to increase the connection stability between the upper and lower runners 1303 and the runner 2 1304, and improve the sealing of the runner 1303 and the runner 2 1304 after cooperation. Embodiment 2

[0032] See also Figure 1 , Figure 2 , Figure 4 and Figure 7 On the basis of the first embodiment, it is further obtained that the demoulding mechanism 2 includes a telescopic component 21 and a bottom cover component 22 , the telescopic component 21 is arranged on the top of the base 3 , and the bottom cover component 22 is arranged on the top of the telescopic component 21 .

[0033] The telescopic component 21 includes a fixed cylinder 2101, which is fixedly connected to the top of the base 3. A slide cylinder 2102 is slidably connected to the fixed cylinder 2101. A telescopic slide rod 2103 is fixedly connected to the top of the slide cylinder 2102. The telescopic slide rod 2103 is slidably connected to the top of the fixed cylinder 2101. A compression spring 2104 is fixedly connected to the top of the slide cylinder 2102. The compression spring 2104 is sleeved on the outer ring of the telescopic slide rod 2103. The compression spring 2104 is fixedly connected to the top of the fixed cylinder 2101. The bottom sealing component 22 includes a bottom sealing plate 2201, which is fixedly connected to the top of the telescopic slide rod 2103. The bottom sealing plate 2201 is clamped in the bottom of the casting mold 1203. A second clamping plate 2202 is fixedly connected to the top of the bottom sealing plate 2201. The second clamping plate 2202 is clamped to the bottom of the casting mold 1203.

[0034] Furthermore: under the action of the compression spring 2104, the slide cylinder 2102 drives the bottom sealing plate 2201 through the telescopic slide rod 2103 to always maintain an upward force. When the casting mold 1203 moves downward, the bottom sealing plate 2201 maintains an upward force. The more the casting mold 1203 moves downward, the greater the upward force of the bottom sealing plate 2201, until the upward force of the bottom sealing plate 2201 exceeds the connection strength between the workpiece and the casting mold 1203, the bottom sealing plate 2201 pushes the workpiece upward to separate from the connection with the casting mold 1203, at which time the demolding of the workpiece is completed.

[0035] During actual operation, when this device is used, when the workpiece needs to be demoulded after casting, the staff first starts the electric cylinder 1201. The electric cylinder 1201 starts to drive the casting mold 1203 to move downward through the electric telescopic rod 1202. The casting mold 1203 moves downward, driving the bottom sealing plate 2201 and the workpiece to move downward. The bottom sealing plate 2201 drives the compression spring 2104 to extend downward through the telescopic slide rod 2103 and the slide cylinder 2102. At this time, the compression spring 2104 generates an upward rebound force, and the casting mold 1203 drives the bottom sealing plate 2201 gradually downward to make the rebound force generated by the compression spring 2104 larger and larger. Until the rebound force exceeds the connection force between the workpiece and the casting mold 1203, the bottom sealing plate 2201 drives the workpiece upward to complete the demoulding of the workpiece.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A lifting and positioning structure for a hot runner mold, comprising a base (3), characterized in that: The bottom of the base (3) is fixedly connected to a support leg (4); the top of the base (3) is provided with a casting mold mechanism (1); and the bottom of the casting mold mechanism (1) is provided with a demoulding mechanism (2); The casting mechanism (1) comprises a supporting assembly (11), a lifting assembly (12) and a clamping assembly (13), wherein the supporting assembly (11) is arranged on the top of the base (3), the lifting assembly (12) is arranged below the supporting assembly (11), and the clamping assembly (13) is arranged on the left side of the lifting assembly (12); The demoulding mechanism (2) comprises a telescopic component (21) and a bottom cover component (22); the telescopic component (21) is arranged on the top of the base (3); and the bottom cover component (22) is arranged on the top of the telescopic component (21).

2. The lifting and positioning structure of a hot runner mold according to claim 1, characterized in that: The support assembly (11) comprises a support frame (1101), wherein the support frame (1101) is fixedly connected to the top of the base (3), a fixing rod (1102) is fixedly connected to the top of the support frame (1101), a top plate (1103) is fixedly connected to the bottom of the fixing rod (1102), and a clamping plate 1 (1104) is fixedly connected to the bottom of the top plate (1103).

3. The lifting and positioning structure of a hot runner mold according to claim 1, characterized in that: The lifting assembly (12) comprises an electric cylinder (1201), the electric cylinder (1201) being fixedly connected to the bottom of the base (3), the top of the electric cylinder (1201) being fixedly connected to an electric telescopic rod (1202), the electric telescopic rod (1202) being clamped in the base (3), the top of the electric telescopic rod (1202) being fixedly connected to a casting mould (1203), and the top of the casting mould (1203) being provided with a groove corresponding to a position of the clamping plate 1 (1104).

4. The lifting and positioning structure of a hot runner mold according to claim 1, characterized in that: The clamping assembly (13) comprises a protrusion (1301), wherein the protrusion (1301) is fixedly connected to the left side of the bottom of the top plate (1103), the protrusion (1301) is clamped in the top of the casting mold (1203), the casting mold (1203) is provided with a clamping groove (1302) at a position corresponding to the protrusion (1301), the left side of the protrusion (1301) is fixedly connected to flow channel 1 (1303), flow channel 2 (1304) is arranged below the flow channel 1 (1303), the flow channel 2 (1304) is fixedly connected to the left side of the casting mold (1203), and the bottom of the clamping groove (1302) is fixedly connected to a clamping rod (1305), and the clamping rod (1305) is clamped in the bottom of the protrusion (1301).

5. The lifting and positioning structure of a hot runner mold according to claim 1, characterized in that: The telescopic assembly (21) comprises a fixed cylinder (2101), wherein the fixed cylinder (2101) is fixedly connected to the top of the base (3), a sliding cylinder (2102) is slidably connected to the inside of the fixed cylinder (2101), and a telescopic sliding rod (2103) is fixedly connected to the top of the sliding cylinder (2102).

6. The lifting and positioning structure of a hot runner mold according to claim 5, characterized in that: The telescopic slide rod (2103) is slidably connected to the top of the fixed cylinder (2101), and a compression spring (2104) is fixedly connected to the top of the slide cylinder (2102). The compression spring (2104) is sleeved on the outer ring of the telescopic slide rod (2103), and the compression spring (2104) is fixedly connected to the top of the fixed cylinder (2101).

7. The lifting and positioning structure of a hot runner mold according to claim 1, characterized in that: The bottom sealing assembly (22) comprises a bottom sealing plate (2201), the bottom sealing plate (2201) being fixedly connected to the top of the telescopic sliding rod (2103), the bottom sealing plate (2201) being clamped into the bottom of the casting mould (1203), the top of the bottom sealing plate (2201) being fixedly connected to a second clamping plate (2202), the second clamping plate (2202) being clamped into the bottom of the casting mould (1203).

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