Metal charging barrel heating and heat preservation device for die casting machine

Abstract

The utility model provides a metal charging barrel heating and heat preservation device for a die-casting machine, which relates to the technical field of die-casting machine parts, and comprises a machine base, a metal charging barrel is connected above the machine base, and at least one group of heating and heat preservation structures are sleeved on the outer surface of the metal charging barrel. The heating and heat preservation structure is used for conducting heating and heat preservation operation on the metal charging barrel, and a plurality of heat dissipation flow channels are formed in the heating and heat preservation structure; heating and heat preservation operation can be conducted on the metal charging barrel in the material conveying process through the heating and heat preservation structure, when heat dissipation needs to be conducted on the interior of the heat preservation sleeve, the shielding plate can be driven to rotate through the connecting assembly, the shielding plate does not shield the heat dissipation flow channel any more, at the moment, gas exchange is conducted between the heat preservation sleeve and the outside through the heat dissipation flow channel, and heat dissipation is conducted. The heat dissipation rate of the interior of the heat preservation sleeve and the heating ring is increased, the heat dissipation speed of the heat preservation sleeve and the heating ring is increased, and the efficiency of follow-up maintenance or replacement of the heating ring is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to die casting machine part technical field, concretely a kind of metal cylinder heating insulation device for die casting machine. BACKGROUND

[0002] Die casting machine is a series of industrial casting machines that melt metal liquid is injected into mold under pressure and cooled to form, and solid metal castings are obtained after mold opening, and the metal cylinder of die casting machine is a component used to contain and transport molten metal in die casting machine, in the die casting process, molten metal is injected into the cylinder, and then the metal liquid is injected into the mold cavity through the injection mechanism, and the desired die casting is formed after cooling and solidification.

[0003] In order to ensure the fluidity of the metal liquid inside the metal cylinder, a heating coil is usually provided outside the metal cylinder to heat and insulate the metal cylinder. In order to avoid heat loss of the heating coil, the heating coil is usually arranged inside the sleeve with insulation function. Although this method can improve the heating and insulation rate of the cylinder, when the heating coil needs to be replaced or repaired due to damage during work, the heating coil needs to be completely cooled before replacement or repair operation. Since the heating coil is arranged inside the insulation sleeve, the temperature reduction rate of the heating coil and the sleeve inside is slow, so the time required for repairing or replacing the heating coil is long, and the efficiency of repairing or replacing the heating coil is reduced. SUMMARY

[0004] The utility model aims at providing a kind of metal cylinder heating insulation device for die casting machine, to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides a kind of metal cylinder heating insulation device for die casting machine in one aspect of embodiment, comprising:

[0006] Machine base;

[0007] Metal cylinder, arranged above the machine base, the metal cylinder is used to transport material;

[0008] At least one set of heating and insulation structure, sleeved on the outer surface of the metal cylinder, the heating and insulation structure is used for heating and insulating the metal cylinder, and a plurality of heat dissipation channels are provided on the heating and insulation structure;

[0009] Shielding plate, rotatably mounted on the heating and insulation structure, the shielding plate is used to shield the plurality of heat dissipation channels, and the shielding plate is connected with a pull rod;

[0010] Support, arranged below the metal cylinder;

[0011] The fixing structure is arranged between the support and the heat preservation structure, and is used for supporting and fixing the heat preservation structure.

[0012] The connecting assembly is arranged between the support and the pull rod, and is used for driving the pull rod to move.

[0013] The reset structure is arranged between the heat preservation structure and the pull rod, and is used for driving the pull rod to reset and making the shielding plate shield the heat dissipation flow channel again.

[0014] Preferably, the fixing structure comprises a positioning clamping groove, a fixing bolt, a positioning clamping block and a fixing socket, the positioning clamping groove is arranged on the support, the fixing bolt is threadedly connected with the support, the fixing bolt corresponds to the position of the positioning clamping groove, the positioning clamping block is connected with the heat preservation structure, the positioning clamping block can be clamped in the positioning clamping groove, the fixing socket is arranged on the bottom side of the positioning clamping block, and the fixing bolt can be inserted into the fixing socket.

[0015] Preferably, the connecting assembly comprises a connecting steel wire rope, a connecting hook and a displacement structure, the end of the connecting steel wire rope is connected with the pull rod, the connecting hook is connected with the end of the connecting steel wire rope away from the pull rod, the displacement structure is installed on the support, the displacement structure is connected with the connecting hook, and the displacement structure is used for driving the connecting hook to move.

[0016] Preferably, the displacement structure comprises an electric push rod, a moving plate and a connecting lifting ring, the electric push rod is installed on one side of the support, the moving plate is connected with the output end of the electric push rod, and the connecting lifting ring is installed on the moving plate and can be connected with the connecting hook.

[0017] Preferably, the reset structure comprises a mounting frame, a guide rod, a reset spring, a moving block and a reset steel wire rope, the mounting frame is installed on the outer surface of the heat preservation structure, the number of the mounting frames is two, the guide rod and the reset spring are installed in the mounting frame, a part of the guide rod is located in the reset spring, the moving block is connected with the end of the reset spring, one end of the reset steel wire rope is connected with the moving block, and the other end of the reset steel wire rope is connected with the pull rod.

[0018] Preferably, the reset structure is provided with a clamping fixing part, the clamping fixing part comprises a through hole, a fixing threaded rod and a fixing nut, the through hole is arranged on one side of the mounting frame, the fixing threaded rod is inserted into the through hole, and the fixing nut is threadedly connected with the fixing threaded rod.

[0019] Preferably, the heating and insulation structure includes an insulation sleeve, a heating coil, and a wire hole. There are two insulation sleeves, and the two insulation sleeves are of the same size. A heating coil is provided inside the two insulation sleeves and is installed on the outer surface of the metal cylinder. A wire hole is provided on one of the insulation sleeves and is connected to the inside of the insulation sleeve.

[0020] Preferably, the support includes support legs and support plates. There are multiple support legs. The support legs are connected to the machine base. The support plates are connected to the ends of the support legs. The support legs and connecting wire ropes are staggered.

[0021] Compared with the prior art, the beneficial effects of this utility model are:

[0022] 1. The heating and insulation structure enables heating and insulation of the metal cylinder during material conveying. When heat dissipation is required inside the insulation sleeve, the connecting component can rotate the baffle plate, removing it from the heat dissipation channel. This allows gas exchange between the insulation sleeve and the outside, accelerating the heat dissipation rate of the insulation sleeve and heating coil. This improves the efficiency of subsequent maintenance or replacement of the heating coil. If heat dissipation is only required and replacement of the heating coil is unnecessary, the reset structure allows the baffle plate to reset and re-block the heat dissipation channel, ensuring normal heating and insulation of the metal cylinder.

[0023] 2. The fixed structure makes the installation and removal of the positioning blocks easier, facilitating the separation of the two insulation sleeves and exposing the heating coil to the outside. This makes it easier to repair and replace the heating coil when it is damaged, further improving the efficiency of repairing or replacing the heating coil. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the heat dissipation channel not being blocked by the shielding plate of this utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the shielding plate of this utility model blocking the heat dissipation channel;

[0027] Figure 4 This is a schematic diagram of the heating and heat preservation structure of this utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the thermal insulation sleeve of this utility model;

[0029] Figure 6 This is a schematic diagram of the structure of the bracket of this utility model.

[0030] In the figure: 10, base; 20, metal cylinder; 30, heating and heat preservation structure; 31, heat dissipation flow channel; 32, positioning clamping block; 33, fixed socket; 34, heat preservation sleeve; 35, heating ring; 36, wire hole; 40, shielding plate; 41, pull rod; 50, support; 51, positioning clamping groove; 52, fixed bolt; 53, supporting leg; 54, supporting plate; 60, connecting assembly; 61, connecting steel wire rope; 62, connecting hook; 63, electric push rod; 64, moving plate; 65, connecting lifting ring; 70, reset structure; 71, mounting frame; 72, guide rod; 73, reset spring; 74, moving block; 75, reset steel wire rope; 76, perforation; 77, fixed threaded rod; 78, fixed nut. DETAILED DESCRIPTION

[0031] The utility model will be further described below in combination with the drawings.

[0032] As Figures 1 to 6 shown, a metal cylinder heating and heat preservation device for die casting machine, it includes base 10, the top of base 10 is connected with metal cylinder 20, the outer surface of metal cylinder 20 is equipped with at least one group of heating and heat preservation structure 30, heating and heat preservation structure 30 is used to heat preservation operation to metal cylinder 20, a plurality of heat dissipation flow channels 31 are set up on heating and heat preservation structure 30, the rotatable connection of heating and heat preservation structure 30 is provided with shielding plate 40, shielding plate 40 is used to shield operation to heat dissipation flow channel 31, shielding plate 40 is connected with pull rod 41, the lower portion of metal cylinder 20 is provided with support 50, and fixed structure is set up between support 50 and heating and heat preservation structure 30, and the fixed structure is used to support and fix heating and heat preservation structure 30, and connecting assembly 60 is set up between support 50 and pull rod 41, and connecting assembly 60 is used to drive pull rod 41 and shielding plate 40 to move, and reset structure 70 is set up between heating and heat preservation structure 30 and pull rod 41, and reset structure 70 is used to drive pull rod 41 and shielding plate 40 reset and make shielding plate 40 re-shield heat dissipation flow channel 31.

[0033] It should be noted that the side surface of shielding plate 40 and heating and heat preservation structure 30 is fitted, and the size of shielding plate 40 is greater than the size of heat dissipation flow channel 31, so that shielding plate 40 and heating and heat preservation structure 30 are closely fitted and the heat dissipation flow channel 31 is shielded comprehensively, avoiding heat dissipation from heat dissipation flow channel 31 to the outside when not being heat dissipation, and the heat dissipation gas generated by external such as fan can be used to heat dissipation operation to heating and heat preservation structure 30 through heat dissipation flow channel 31.

[0034] The fixing structure comprises a positioning clamping groove 51, a fixing bolt 52, a positioning clamping block 32 and a fixing socket 33, the positioning clamping groove 51 is arranged on the support 50, the fixing bolt 52 is threadedly connected with the support 50, the fixing bolt 52 corresponds to the position of the positioning clamping groove 51, the positioning clamping block 32 is connected with the heating and heat preservation structure 30, the positioning clamping block 32 can be clamped in the positioning clamping groove 51, the shapes of the positioning clamping block 32 and the positioning clamping groove 51 can be T-shaped or dovetail-shaped, the positioning clamping block 32 and the positioning clamping groove 51 are used for ensuring that the connection between the positioning clamping block 32 and the support 50 is relatively firm, and the fixing socket 33 is arranged on the bottom side of the positioning clamping block 32, the fixing bolt 52 can be inserted into the fixing socket 33, and the fixing bolt 52 and the fixing socket 33 are used for fixing the positioning clamping block 32.

[0035] When the heating and heat preservation structure 30 is installed, the positioning clamping block 32 is clamped into the positioning clamping groove 51, at the moment, the fixing bolt 52 corresponds to the position of the fixing socket 33, then the fixing bolt 52 is rotated and inserted into the fixing socket 33, so that the positioning clamping block 32 is fixed, and the heating and heat preservation structure 30 is installed.

[0036] The connecting assembly 60 comprises a connecting steel wire rope 61, a connecting hook 62 and a displacement structure, the end of the connecting steel wire rope 61 is connected with the pull rod 41, the connecting hook 62 is connected with the end of the connecting steel wire rope 61 away from the pull rod 41, the displacement structure is installed on the support 50, the displacement structure is connected with the connecting hook 62, and the displacement structure is used for driving the connecting hook 62 to move.

[0037] The displacement structure comprises an electric push rod 63, a moving plate 64 and a connecting lifting ring 65, the electric push rod 63 is installed on one side of the support 50, the moving plate 64 is connected with the output end of the electric push rod 63, the connecting lifting ring 65 is installed on the moving plate 64, and the connecting lifting ring 65 is connectable with the connecting hook 62.

[0038] The electric push rod 63 is started to drive the moving plate 64 to move downwards, at the moment, the connecting hook 62 drives the connecting steel wire rope 61 to move, along with the movement of the connecting steel wire rope 61, the pull rod 41 drives the shielding plate 40 to rotate and makes the shielding plate 40 no longer shield the heat dissipation flow channel 31, at the moment, the heating and heat preservation structure 30 can be heat-dissipated through the heat dissipation flow channel 31.

[0039] The reset structure 70 comprises a mounting frame 71, a guide rod 72, a reset spring 73, a moving block 74 and a reset steel wire rope 75, the mounting frame 71 is mounted on the outer surface of the heat preservation structure 30, the number of the mounting frame 71 is two, the guide rod 72 and the reset spring 73 are both mounted in the interior of the mounting frame 71, and a part of the guide rod 72 is located in the interior of the reset spring 73, the moving block 74 is connected with the end of the reset spring 73, the guide rod 72 penetrates through the moving block 74, the moving block 74 is in sliding connection with the guide rod 72, one end of the reset steel wire rope 75 is connected with the moving block 74, and the other end of the reset steel wire rope 75 is connected with the pull rod 41.

[0040] In the process that the shielding plate 40 rotates and no longer shields the heat dissipation flow channel 31, the reset steel wire rope 75 drives the moving block 74 to move downwards, at this time, the moving block 74 will press the reset spring 73 and make the reset spring 73 in a compressed state, when the heat dissipation operation is completed, if the moving plate 64 moves upwards, at this time, the moving block 74 will move upwards and reset under the reaction force of the reset spring 73, at this time, the reset steel wire rope 75 drives the pull rod 41 and the shielding plate 40 to reset and re-shield the heat dissipation flow channel 31.

[0041] It should be noted that the moving block 74 is located in the interior of the mounting frame 71, and the two side surfaces of the moving block 74 are fitted with the two side surfaces in the interior of the mounting frame 71, so that the moving block 74 can be limited and can only move in the vertical direction.

[0042] The reset structure 70 is provided with a clamping fixing part, the clamping fixing part comprises a through hole 76, a fixed threaded rod 77 and a fixed nut 78, the through hole 76 is opened in one side of the mounting frame 71, the fixed threaded rod 77 is inserted in the interior of the through hole 76, and the fixed nut 78 is in threaded connection with the fixed threaded rod 77.

[0043] After the positioning clamping block 32 is fixed through the fixed bolt 52, the fixed threaded rod 77 can pass through the interior of the through hole 76, the fixed nut 78 is in threaded connection with the fixed threaded rod 77 and closely fitted with the mounting frame 71, so that the heat preservation structure 30 is fixed again, and the connection stability of the heat preservation structure 30 and the metal cylinder 20 is ensured.

[0044] The heat preservation structure 30 comprises heat preservation sleeves 34, heating rings 35 and wire holes 36, the number of the heat preservation sleeves 34 is two, and the two heat preservation sleeves 34 are of the same size, the heating rings 35 are arranged in the interiors of the two heat preservation sleeves 34, the heating rings 35 are mounted on the outer surface of the metal cylinder 20, the wire hole 36 is opened on one heat preservation sleeve 34, the wire hole 36 is in communication with the interior of the heat preservation sleeve 34, and the wire hole 36 is used for allowing the wire connected with the heating ring 35 to pass through.

[0045] The support 50 comprises support legs 53 and a support plate 54, the support legs 53 are in plurality, the support legs 53 are connected with the base 10, the support plate 54 is connected with the end of the support legs 53, the support legs 53 are distributed in staggered mode with the connecting steel wire rope 61, so that the connecting steel wire rope 61 can avoid interference with the support legs 53 during movement.

[0046] When the heating ring 35 is damaged during operation and needs to be repaired, the working principle is as follows:

[0047] 1) Start the electric push rod 63 to make the moving plate 64 drive the connecting lifting ring 65 to move downward, at this time, the connecting hook 62 drives the connecting steel wire rope 61 to move, with the movement of the connecting steel wire rope 61, the pull rod 41 drives the shielding plate 40 to rotate and makes the shielding plate 40 no longer shield the heat dissipation flow channel 31, at this time, the heat dissipation flow channel 31 is used to dissipate heat to the inside of the heat preservation sleeve 34 and the heating ring 35, and the heat dissipation speed of the inside of the heat preservation sleeve 34 and the heating ring 35 is accelerated;

[0048] 2) After the heating ring 35 and the heat preservation sleeve 34 are cooled, the fixed nut 78 is separated from the fixed threaded rod 77, and the fixed threaded rod 77 is removed from the inside of the perforated hole 76, so that the two mounting frames 71 connected on one heating and heat preservation structure 30 are no longer fixed;

[0049] 3) Separate the connecting hook 62 from the connecting lifting ring 65;

[0050] 4) Separate the fixed bolt 52 from the fixed insertion hole 33, at this time, the positioning clamping block 32 is no longer fixed, at this time, the positioning clamping block 32 can be separated from the positioning clamping groove 51, so that the heat preservation sleeve 34 no longer shields the heating ring 35, and the heating ring 35 is exposed to the outside, so that the heating ring 35 can be repaired or replaced.

[0051] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0052] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A metal cylinder heating holding device for a die casting machine, characterized by, Include: Base (10); Metal barrel (20) arranged above the base (10), the metal barrel (20) is used for conveying material; At least one set of heating insulation structure (30) is sleeved on the outer surface of the metal barrel (20), the heating insulation structure (30) is used for heating insulation operation to the metal barrel (20), and a plurality of heat dissipation channels (31) are arranged on the heating insulation structure (30); The baffle (40) is rotatably installed on the heating insulation structure (30), the baffle (40) is used for shielding operation to the plurality of heat dissipation channels (31), and the baffle (40) is connected with the pull rod (41); Support (50) arranged below the metal barrel (20); The fixing structure is arranged between the support (50) and the heating insulation structure (30), and the fixing structure is used for supporting and fixing the heating insulation structure (30); The connecting assembly (60) is arranged between the support (50) and the pull rod (41), and the connecting assembly (60) is used for driving the pull rod (41) to move; The reset structure (70) is arranged between the heating insulation structure (30) and the pull rod (41), and the reset structure (70) is used for driving the pull rod (41) to reset and making the baffle (40) shield the heat dissipation channel (31) again.

2. The metal cylinder heating and holding device for a die casting machine according to claim 1, characterized in that: The fixing structure includes positioning clamping groove (51), fixing bolt (52), positioning clamping block (32) and fixed insertion hole (33), the positioning clamping groove (51) is opened in the support (50), the fixing bolt (52) is threadedly connected with the support (50), and the position of the fixing bolt (52) corresponds to the position of the positioning clamping groove (51), the positioning clamping block (32) is connected with the heating insulation structure (30), the positioning clamping block (32) can be clamped in the inside of the positioning clamping groove (51), the fixed insertion hole (33) is opened in the bottom side of the positioning clamping block (32), and the fixing bolt (52) can be inserted into the inside of the fixed insertion hole (33).

3. A metal cylinder heating and holding device for a die casting machine according to claim 2, characterized in that: The connecting assembly (60) includes connecting steel wire rope (61), connecting hook (62) and displacement structure, the end of the connecting steel wire rope (61) is connected with the pull rod (41), the connecting hook (62) is connected with the end of the connecting steel wire rope (61) away from the pull rod (41), the displacement structure is installed on the support (50), the displacement structure is connected with the connecting hook (62), and the displacement structure is used for driving the connecting hook (62) to move.

4. The metal sleeve heating and holding device for a die casting machine according to claim 3, wherein: The displacement structure includes electric push rod (63), moving plate (64) and connecting lifting ring (65), the electric push rod (63) is installed on one side of the support (50), the moving plate (64) is connected with the output end of the electric push rod (63), the connecting lifting ring (65) is installed on the moving plate (64), and the connecting lifting ring (65) can be connected with the connecting hook (62).

5. The metal sleeve heating and holding device for a die casting machine according to claim 3, wherein: The reset structure (70) comprises a mounting frame (71), a guide rod (72), a reset spring (73), a moving block (74) and a reset steel wire rope (75), the mounting frame (71) is mounted on the outer surface of the heating and heat preservation structure (30), the number of the mounting frame (71) is two, the guide rod (72) and the reset spring (73) are both mounted in the mounting frame (71), and a part of the guide rod (72) is located in the reset spring (73), the moving block (74) is connected with the end of the reset spring (73), one end of the reset steel wire rope (75) is connected with the moving block (74), and the other end of the reset steel wire rope (75) is connected with the pull rod (41).

6. A metal sleeve heating and holding device for a die casting machine according to claim 5, wherein: The reset structure (70) is provided with a clamping fixing part, the clamping fixing part comprises a threaded hole (76), a fixed threaded rod (77) and a fixed nut (78), the threaded hole (76) is arranged on one side of the mounting frame (71), the fixed threaded rod (77) is inserted into the threaded hole (76), and the fixed nut (78) is in threaded connection with the fixed threaded rod (77).

7. A metal sleeve heating and holding device for a die casting machine according to claim 5, wherein: The heating and heat preservation structure (30) comprises heat preservation sleeves (34), heating rings (35) and wire holes (36), the number of the heat preservation sleeves (34) is two, the two heat preservation sleeves (34) are of the same size, the heating rings (35) are arranged in the heat preservation sleeves (34), the heating rings (35) are mounted on the outer surface of the metal cylinder (20), the wire hole (36) is arranged on one heat preservation sleeve (34) and communicates with the inside of the heat preservation sleeve (34).

8. A metal sleeve heating and holding device for a die casting machine according to claim 7, characterized in that: The support (50) comprises support legs (53) and a support plate (54), the number of the support legs (53) is multiple, the support legs (53) are connected with the base (10), the support plate (54) is connected with the end of the support leg (53), and the support legs (53) are distributed in a staggered mode with the connecting steel wire rope (61).

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