Heating type floating injection rod structure

Abstract

The utility model discloses a heating type floating injection rod structure which comprises a plunger assembly, and the plunger assembly comprises a sensor fixing base, a plunger flange connected to the sensor fixing base and a heating type floating plunger connected with the plunger flange in a floating adjusting mode. According to the heating type floating injection rod structure, the plunger is of a heating type floating structure, in the assembling process, the plunger is fixed after being adjusted and precisely positioned, the heating type floating plunger is in floating connection with the plunger flange and is not locked, and then the heating type floating plunger is locked and fixed after being aligned and positioned with a mold; therefore, the plunger can be positioned and aligned with the mold no matter whether machining errors and assembly accumulated tolerance exist or not, the injection molding efficiency in the injection molding process is guaranteed, damage to parts is avoided, the maintenance frequency is reduced, the production cost is reduced, the plunger of a heating type structure can meet the use requirements of injection molding of different raw materials, and the production cost is reduced. And the plunger assembly is wider in application range and higher in universality.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machines, in particular to a heated floating shot rod structure. Background Art

[0002] Existing injection molding machine plunger assemblies often suffer from machining errors and cumulative assembly tolerances, which can lead to the plunger misalignment with the mold. This can cause frequent damage to the plunger head and related parts, impacting product production and increasing repair costs. To minimize the impact of cumulative assembly and part machining errors, stringent requirements are placed on both the installation and machining processes, making component manufacturing difficult and costly.

[0003] At the same time, after the existing plunger assembly is installed and positioned, the installation accuracy can no longer be adjusted, which seriously affects the service life of the plunger assembly and the injection effect, resulting in high maintenance frequency, high maintenance costs and low production efficiency.

[0004] In addition, since many raw materials need to be injected in a heated state, the existing injection rod cannot be used for plungers of various raw materials, resulting in a limited scope of use.

[0005] Therefore, in view of the problems existing in the prior art, the plunger structure is optimized. Utility Model Content

[0006] The purpose of the utility model is to solve the problems of the existing plunger assembly, which, due to the cumulative errors in processing and assembly, leads to the inability to align the plunger assembly with the mold after installation and positioning, and the inability to adjust the installation accuracy. The plunger head and related parts are easily damaged, seriously affecting the service life of the plunger assembly, the injection effect and production efficiency, resulting in the problems of difficulty in processing parts and high cost; and the existing injection rod cannot be applied to plungers of various raw materials, resulting in a limited scope of use. A heated floating injection rod structure is provided. Through a heated floating plunger, the influence of the cumulative installation error and the part processing error can be effectively solved. The precise positioning is adjusted first and then fixed. The plunger head and the mold can be precisely positioned, which effectively increases the service life of the parts, reduces maintenance costs and improves production efficiency. At the same time, the heating function is designed to be applicable to plungers of various raw materials, with good general performance and a wide range of use.

[0007] The technical solution adopted by the present invention to achieve its invention purpose is: a heated floating shot rod structure, including a plunger assembly, the plunger assembly including a sensor fixing seat, a plunger flange connected to the sensor fixing seat, and a heated floating plunger connected to the plunger flange in a floating adjustment manner. The heated floating shot rod structure optimizes the design of the plunger assembly, sets the plunger to a heated structure, and can realize a heated floating plunger with a floating connection to the plunger flange. During the assembly process, the heated floating plunger is first floated with the plunger flange without being locked, and then aligned with the mold before being locked and fixed, thereby ensuring that the plunger can be aligned with the mold regardless of whether there are processing errors or cumulative assembly tolerances, thereby ensuring the injection molding efficiency during the injection molding process, avoiding damage to parts, reducing the number of maintenance times, and reducing production costs. Moreover, the plunger with a heated structure can meet the requirements of injection molding of different raw materials, making the plunger assembly more widely applicable and more versatile.

[0008] Preferably, the heated floating plunger comprises a plunger, a plunger head connected to the plunger, a floating adjustment assembly for achieving alignment adjustment between the plunger and the mold, and a heating assembly for achieving heating of the plunger. The heated floating plunger mainly comprises a plunger, a plunger head integrally connected to the plunger, and a floating adjustment assembly provided on the plunger. The floating adjustment assembly is used to align and position the plunger. During assembly, the plunger is connected to the plunger flange without being locked, retaining an adjustment gap. The floating adjustment assembly is then used to precisely align and position the plunger head with the mold, and the plunger and the plunger flange are then locked and fixed, thereby ensuring the accuracy of the positional relationship between the plunger head and the mold, thereby ensuring that no damage occurs during the injection molding process, and improving injection molding efficiency and quality. In order to meet the applicability requirements of plunger heads made of different raw materials, a heating assembly is provided to heat the plunger. When the plunger is required to have a heating function, the heating assembly is turned on to heat the plunger, and when heating is not required, the heating assembly is turned off, thereby achieving the universal and extensive design requirements of the plunger.

[0009] Preferably, the floating adjustment assembly includes a manual floating adjustment assembly and an automatic floating adjustment assembly. The floating adjustment assembly can be manual or automatic, and can be set according to the injection molding equipment and operating conditions.

[0010] Preferably, the manual floating adjustment assembly includes an axial adjustment assembly and a radial adjustment assembly. The axial adjustment assembly includes an axial adjustment block and an axial adjustment screw; the radial adjustment assembly includes a radial adjustment block and a radial adjustment screw. As a preferred solution, the manual floating adjustment assembly mainly includes an axial adjustment assembly and a radial adjustment assembly. The axial adjustment assembly is used to achieve the connection between the plunger and the plunger flange and fix it after alignment, while the radial adjustment assembly is mainly used to achieve radial adjustment, alignment and positioning of the plunger. The axial adjustment assembly can be implemented using an axial adjustment block and an axial adjustment screw, while the radial adjustment assembly can also be implemented using multiple radial adjustment blocks and radial adjustment screws arranged circumferentially around the plunger. This has a simple structure, is easy to operate, and can ensure precise alignment and positioning of the plunger and the mold.

[0011] Preferably, the axial adjustment block is fixedly connected to the plunger; the radial adjustment block is fixed to the plunger flange, and the end of the radial adjustment screw abuts the axial adjustment block. The axial adjustment block is fixedly connected to the rear end of the plunger, that is, the end away from the plunger head, or is manufactured as an integral structure, while the radial adjustment block is fixed to the plunger flange, and the position of the axial adjustment block is adjusted by the end of the radial adjustment screw provided on the radial adjustment block.

[0012] Preferably, the automatic floating adjustment assembly comprises an axial adjustment assembly and a radial adjustment assembly, wherein the axial adjustment assembly includes an axial adjustment block and an axial adjustment screw, and the radial adjustment assembly includes a radial adjustment cylinder. As another preferred embodiment, the floating adjustment assembly can also be automatically adjusted, primarily using a radial adjustment cylinder in the radial direction, but alternatively, a radial adjustment oil cylinder, a radial adjustment electric cylinder, or the like, capable of automatically controlling the extension and retraction to adjust the plunger position.

[0013] Preferably, the axial adjustment block is fixedly connected to the plunger; the radial adjustment block is fixed to the plunger flange, and the piston rod end of the radial adjustment cylinder abuts the axial adjustment block. The piston rod of the radial adjustment cylinder pushes the axial adjustment block, thereby adjusting the alignment position of the plunger, thereby achieving precise adjustment of the alignment between the plunger and the mold, which is convenient and quick to operate.

[0014] Preferably, the axial adjustment block is provided with multiple adjustment holes, with adjustment gaps defined between the adjustment holes and the axial adjustment screws; the axial adjustment block is provided with multiple adjustment side faces in a stepped structure. To facilitate adjustment of the radial adjustment assembly, multiple adjustment holes are provided on the axial adjustment block, with adjustment gaps defined between the adjustment holes and the axial adjustment screws. When the axial adjustment screws are not tightened to the plunger flange, an adjustment gap is formed between the axial adjustment screws and the adjustment holes. The radial adjustment assembly enables radial adjustment of the plunger, ensuring precise alignment and positioning of the plunger with the mold, avoiding the effects of machining errors and cumulative assembly tolerances.

[0015] Preferably, the heating assembly includes a heating element disposed inside the plunger and a thermocouple disposed outside the plunger. The heating assembly utilizes a heating element and a thermocouple, wherein the heating element heats the plunger, while the thermocouple controls the heating element and provides feedback on the heating temperature. The heating element may be a heating rod, a heating wire, or other element having a heating function.

[0016] Preferably, the plunger flange is provided with a plurality of flange adjustment screw holes. The flange adjustment holes are provided on the plunger to facilitate the connection between the plunger and the plunger flange and to facilitate the adjustment and positioning of the plunger.

[0017] The beneficial effects of the present invention are as follows: the heated floating shot rod structure and the plunger adopt a heated floating structure. During the assembly process, the plunger is first adjusted for precise positioning and then fixed. The heated floating plunger is first floatedly connected to the plunger flange without being locked, and then aligned with the mold and then locked and fixed. This ensures that the plunger can be positioned and aligned with the mold regardless of whether there are processing errors or cumulative assembly tolerances, thereby ensuring injection molding efficiency during the injection molding process, avoiding damage to parts, reducing the number of repairs, and reducing production costs. Moreover, the plunger with a heated structure can meet the use requirements of injection molding of different raw materials, making the plunger assembly more widely used and more versatile. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the heating type floating shooting rod structure of the utility model.

[0019] FIG2 is a structural diagram of the heated floating rod structure of the present invention from another angle.

[0020] FIG3 is a bottom view of the heating floating shooting rod structure of the present invention.

[0021] Figure 4 is Figure 3 Middle AA section view.

[0022] Figure 5 yes Figure 3Middle BB cross-section view.

[0023] Figure 6 This is a structural diagram of a heated floating shot rod structure installed in an injection unit.

[0024] Figure 7 It is a structural schematic diagram of the injection unit and the clamping unit of the utility model.

[0025] Figure 8 This is a schematic diagram of an application structure of the heating floating shooting rod structure of the utility model.

[0026] Figure 9 This is a structural diagram of the heated floating shooting rod structure in Example 2.

[0027] In the figure: 1. Plunger assembly, 2. Sensor mounting base;

[0028] 3. Plunger flange, 31. Flange adjustment screw hole;

[0029] 4. Heated floating plunger, 5. Floating adjustment assembly;

[0030] 6. Heating assembly, 61. Heating element, 62. Thermocouple;

[0031] 7. plunger, 71. connecting end, 72. injection end, 73. plunger cavity;

[0032] 8. Plunger head;

[0033] 9. Axial adjustment assembly, 91. Axial adjustment block, 92. Axial adjustment screw, 93. Adjustment through hole,

[0034] 10. Radial adjustment assembly, 101. Radial adjustment block, 102. Radial adjustment screw, 103. Radial adjustment threaded through hole, 104. Radial adjustment cylinder;

[0035] 100, rack assembly, 200, electric control box assembly, 300, operation box assembly;

[0036] 400, clamping unit, 401, upper template, 402, lower template;

[0037] 500, injection unit;

[0038] 600, mold, 601, upper mold, 602, lower mold, 700, guardrail. DETAILED DESCRIPTION

[0039] The technical solution of the present invention will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings.

[0040] Example 1:

[0041] exist Figure 1 、 Figure 2 、 Figure 3 The illustrated embodiment shows a heated floating shot rod structure, including an injection unit 500 mounted on a mold clamping unit 400 for product injection. The injection unit 500 is provided with a plunger assembly 1. The plunger assembly 1 comprises a sensor mounting base 2, a plunger flange 3 connected to the sensor mounting base, and a heated floating plunger 4 in a floating, adjustable connection with the plunger flange. The plunger flange 3 is fixed to the sensor mounting base 2 with screws, and the heated floating plunger 4 is adjustably mounted on the plunger flange 3.

[0042] like Figure 5 As shown, a flange adjustment screw hole 31 is provided on the plunger flange 3 .

[0043] The heated floating plunger 4 comprises a plunger 7, a plunger head 8 connected to the plunger, a floating adjustment component 5 for adjusting the alignment between the plunger and the mold, and a heating component 6 for heating the plunger.

[0044] The plunger 7 includes a connecting end 71 and an injection end 72 that are integrally provided, and a plunger cavity 73 is provided inside the plunger 7 .

[0045] The heating assembly 6 includes a heating element 61 disposed inside the plunger 7 and a thermocouple 62 disposed outside the plunger 7. In this embodiment, the heating element 61 is a heating rod.

[0046] like Figure 4 As shown, the heating assembly 6 includes a heating element 61 arranged inside the plunger cavity 73 and a thermocouple 62 arranged on the outer wall of the plunger 7. The heating element 61 provides heating for the product plunger, and the thermocouple 62 controls the heating of the heating element to feedback the heating temperature. The heating element can be a heating rod, or other components that can achieve heating. In this embodiment, the heating element 61 is a heating rod. The plunger head 8 is installed on the injection end 72 of the plunger 7 through a threaded connection, and the plunger head is coaxially arranged with the plunger. The connecting end 71 of the plunger is adjustably connected to the plunger flange 3 through the floating adjustment component 5.

[0047] The floating adjustment component 5 includes a manual floating adjustment component and an automatic floating adjustment component. In this embodiment, the floating adjustment component 5 adopts a manual floating adjustment component.

[0048] like Figure 4 、 Figure 5As shown, the manual floating adjustment assembly includes an axial adjustment assembly 9 and a radial adjustment assembly 10. The axial adjustment assembly 9 includes an axial adjustment block 91 and an axial adjustment screw 92. The axial adjustment block 91 is fixedly connected to the connecting end 72 of the plunger. In another embodiment, the axial adjustment block and the plunger are integrally formed.

[0049] The axial adjustment block 91 is provided with four adjustment through holes 93 , and the axial adjustment block 91 is connected to the plunger flange 3 via axial adjustment screws 92 provided inside the four adjustment through holes 93 .

[0050] The aperture of the adjusting through hole 93 is larger than the aperture of the flange adjusting screw hole 31 . The adjusting through hole 93 is provided to reserve a clearance for adjusting the direction of the plunger so as to achieve adjustment of the plunger.

[0051] The axial adjustment block 91 is a stepped structure with four adjustment side surfaces 94 .

[0052] The radial adjustment assembly 10 includes a radial adjustment block 101 and a radial adjustment screw 102. The radial adjustment assembly 10 is in a cross-shaped structure and is provided in four groups. The four groups of radial adjustment assemblies 10 are provided in four directions of the plunger 7.

[0053] Four radial adjustment blocks 101 are installed on the plunger flange 3 in a cross-shaped structure. The radial adjustment blocks 101 are provided with radial adjustment threaded through holes 103. After the radial adjustment screws 102 pass through the radial adjustment threaded through holes 103, their ends are connected to the four adjustment side surfaces 94 of the axial adjustment block 91, so as to realize position adjustment in the four circumferential directions of the plunger 7.

[0054] The method for installing and adjusting the plunger assembly of this heated floating shoot rod structure is as follows: The heated floating plunger 4 is mounted on the plunger flange 3 using the axial adjustment screw 92. However, the axial adjustment screw 92 is not tightened to allow clearance for plunger adjustment. The position of the plunger 7 is adjusted using the radial adjustment screw 102 on the radial adjustment block 101. After the plunger 7 is precisely aligned with the mold, the axial adjustment screw 92 is tightened to lock the adjusted position of the plunger 7, achieving precise positioning of the plunger 7.

[0055] This effectively solves the problem of the plunger not being able to align with the mold, avoiding damage to the plunger head and related parts. After the plunger head and mold are correctly positioned and docked, the plunger is axially locked and fixed, eliminating the impact of processing errors and assembly cumulative tolerances, greatly improving the machine's production efficiency and reducing maintenance costs.

[0056] like Figure 6 、 Figure 7 、 Figure 8As shown, the heated floating shot rod structure is applied to an injection molding machine. The injection molding machine with the heated floating shot rod structure includes a floor-mounted frame assembly 100, an electric control box assembly 200, an operation box assembly 300, a clamping unit 400 and an injection unit 500, a mold 600, and a guardrail 700.

[0057] The electric control box assembly 200 contains various electrical components used by the machine; the operation box assembly 300 contains operation buttons, operation display and other components; the clamping unit 400 includes an upper mold plate 401 and a lower mold plate 402, and the injection unit 500 is installed on the upper mold plate 401 of the clamping unit 400 to act on the injection of the product.

[0058] The mold 600 includes an upper mold 601 and a lower mold 602. The upper mold 601 is installed under the upper mold plate 401 of the clamping unit 400, and the lower mold 602 is installed on the lower mold plate 402 of the clamping unit 400. The upper mold 601 and the lower mold 602 form a complete mold; the clamping unit, guardrail, and electrical control box assembly are all installed on the frame assembly; the guardrail acts on the safety protection of the machine and plays a role in safety protection.

[0059] In specific applications, the plunger head is precisely positioned with the upper die before the axial adjustment block and plunger flange at the plunger connection are locked to achieve precise adjustment and positioning. During use, the plunger assembly can be adaptively adjusted according to different molds, ensuring precise alignment with molds of various specifications, thereby improving service life and production efficiency.

[0060] Example 2:

[0061] exist Figure 9 The illustrated embodiment shows a heated floating shot rod structure, including an injection unit 500 mounted on a mold clamping unit 400 for product injection. The injection unit 500 is provided with a plunger assembly 1. The plunger assembly 1 comprises a sensor mounting base 2, a plunger flange 3 connected to the sensor mounting base, and a heated floating plunger 4 in a floating, adjustable connection with the plunger flange. The plunger flange 3 is fixed to the sensor mounting base 2 with screws, and the heated floating plunger 4 is adjustably mounted on the plunger flange 3.

[0062] A flange adjustment screw hole 31 is provided on the plunger flange 3 .

[0063] The heated floating plunger 4 comprises a plunger 7, a plunger head 8 connected to the plunger, a floating adjustment component 5 for adjusting the alignment between the plunger and the mold, and a heating component 6 for heating the plunger.

[0064] The plunger 7 includes a connecting end 71 and an injection end 72 that are integrally provided, and a plunger cavity 73 is provided inside the plunger 7 .

[0065] The heating assembly 6 includes a heating element 61 disposed within the plunger cavity 73 and a thermocouple 62 disposed on the outer wall of the plunger 7. The heating element provides heat to the product plunger, and the thermocouple 62 controls the heating element to provide feedback on the heating temperature. In this embodiment, the heating element 61 is a heating component composed of a plurality of heating wires. The plunger head 8 is mounted on the injection end 72 of the plunger 7 via a threaded connection, and the plunger head is coaxially arranged with the plunger. The connection end 71 of the plunger is adjustably connected to the plunger flange 3 via the floating adjustment assembly 5.

[0066] The floating adjustment component 5 includes a manual floating adjustment component and an automatic floating adjustment component. In this embodiment, the floating adjustment component 5 adopts an automatic floating adjustment component.

[0067] The automatic floating adjustment assembly includes an axial adjustment assembly 9 and a radial adjustment assembly 10. The axial adjustment assembly 9 includes an axial adjustment block 91 and an axial adjustment screw 92. The axial adjustment block 91 is fixedly connected to the plunger connection end 72. In another embodiment, the axial adjustment block and the plunger are integrally formed.

[0068] The axial adjustment block 91 is provided with four adjustment through holes 93 , and the axial adjustment block 91 is connected to the plunger flange 3 via axial adjustment screws 92 provided inside the four adjustment through holes 93 .

[0069] The aperture of the adjusting through hole 93 is larger than the aperture of the flange adjusting screw hole 31 . The adjusting through hole 93 is provided to reserve a clearance for adjusting the direction of the plunger so as to achieve adjustment of the plunger.

[0070] The axial adjustment block 91 is a stepped structure with four adjustment side surfaces 94 .

[0071] The radial adjustment assembly 10 uses a radial adjustment cylinder 104. The radial adjustment cylinder can be a radial adjustment air cylinder, a radial adjustment oil cylinder, or a radial adjustment electric cylinder, etc. In this embodiment, the radial adjustment cylinder is a radial adjustment air cylinder.

[0072] The radial adjustment assembly 10 includes four groups of radial adjustment cylinders arranged on the lower disk surface of the plunger flange. The four groups of radial adjustment cylinders are arranged in a cross-shaped structure in the four circular directions of the plunger 7, and are arranged corresponding to the four adjustment side surfaces 94 of the axial adjustment block 91. The ends of the piston rods of the radial adjustment cylinders are connected to the four adjustment side surfaces 94 of the axial adjustment block 91, which are used to realize automatic adjustment of the position of the plunger 7 in the four circumferential directions.

[0073] The heated floating shoot rod assembly's installation and adjustment method involves mounting the heated floating plunger 4 on the plunger flange 3 using the axial adjustment screw 92. However, the axial adjustment screw 92 is not tightened, leaving clearance for plunger adjustment. The radial adjustment cylinder automatically adjusts the position of the plunger 7. After the plunger 7 is precisely aligned with the mold 600, the axial adjustment screw 92 is tightened to lock the adjusted position of the plunger 7, achieving precise positioning of the plunger 7.

[0074] The heated floating shot rod structure is applied to an injection molding machine. The entire injection molding machine with the heated floating shot rod structure includes a floor-mounted frame assembly 100, an electric control box assembly 200, an operation box assembly 300, a clamping unit 400 and an injection unit 500, a mold 600, and a guardrail 700.

[0075] The electric control box assembly 200 contains various electrical components used by the machine; the operation box assembly 300 contains operation buttons, operation display and other components; the clamping unit 400 includes an upper mold plate 401 and a lower mold plate 402, and the injection unit 500 is installed on the upper mold plate 401 of the clamping unit 400 to act on the injection of the product.

[0076] The mold 600 includes an upper mold 601 and a lower mold 602. The upper mold 601 is installed under the upper mold plate 401 of the clamping unit 400, and the lower mold 602 is installed on the lower mold plate 402 of the clamping unit 400. The upper mold 601 and the lower mold 602 form a complete mold; the clamping unit, guardrail, and electrical control box assembly are all installed on the frame assembly; the guardrail acts on the safety protection of the machine and plays a role in safety protection.

[0077] In specific applications, the plunger head is precisely positioned with the upper die before the axial adjustment block and plunger flange at the plunger connection are locked to achieve precise adjustment and positioning. During use, the plunger assembly can be adaptively adjusted according to different molds, ensuring precise alignment with molds of various specifications, thereby improving service life and production efficiency.

[0078] The heated floating shoot rod structure described in the above embodiment effectively solves the existing problem of machining errors and cumulative assembly tolerances causing the plunger to misalign with the mold, resulting in frequent damage to the plunger head and related components, hindering product production and increasing maintenance costs. The floating adjustment assembly secures the plunger head to the mold after it is correctly aligned, eliminating the impact of machining errors and cumulative assembly tolerances. This significantly improves machine production efficiency and reduces maintenance costs.

[0079] Since a floating adjustment component is used for precise positioning, and the plunger is fixed after accurate positioning, the plunger head and the mold are accurately positioned, which greatly increases the service life of the parts, reduces maintenance costs, and improves production efficiency. A heating component is provided inside the plunger, which can be applied to plunger injection of various raw materials, realizing the universal design of the plunger component and a wider range of uses.

[0080] The above embodiments are only some of the embodiments of the present invention, not all of them. At the same time, based on the embodiments described in the present invention, all other embodiments obtained by a person of ordinary skill in the art on the basis of the technical solution of the present application without making any creative work shall fall within the scope of protection of the present invention.

Claims

1. A heated floating shooting rod structure, comprising a plunger assembly (1), characterized in that: The plunger assembly (1) comprises a sensor fixing seat (2), a plunger flange (3) connected to the sensor fixing seat (2), and a heating floating plunger (4) connected to the plunger flange (3) in a floating adjustment manner.

2. The heated floating rod structure according to claim 1, characterized in that: The heated floating plunger (4) comprises a plunger (7), a plunger head (8) connected to the plunger, a floating adjustment component (5) for achieving alignment adjustment between the plunger and the mold, and a heating component (6) for achieving heating of the plunger.

3. The heated floating rod structure according to claim 2, characterized in that: The floating adjustment component (5) comprises a manual floating adjustment component and an automatic floating adjustment component.

4. The heated floating rod structure according to claim 3, characterized in that: The manual floating adjustment assembly comprises an axial adjustment assembly (9) and a radial adjustment assembly (10), wherein the axial adjustment assembly (9) comprises an axial adjustment block (91) and an axial adjustment screw (92); and the radial adjustment assembly (10) comprises a radial adjustment block (101) and a radial adjustment screw (102).

5. The heated floating rod structure according to claim 4, characterized in that: The axial adjustment block (91) is fixedly connected to the plunger (7); the radial adjustment block (101) is fixed on the plunger flange (3), and the end of the radial adjustment screw (102) is abutted on the axial adjustment block (91).

6. The heated floating rod structure according to claim 3, characterized in that: The automatic floating adjustment assembly comprises an axial adjustment assembly (9) and a radial adjustment assembly (10), wherein the axial adjustment assembly (9) comprises an axial adjustment block (91) and an axial adjustment screw (92); and the radial adjustment assembly (10) comprises a radial adjustment cylinder (104).

7. The heated floating rod structure according to claim 4, characterized in that: The axial adjustment block (91) is fixedly connected to the plunger (7); the radial adjustment block (101) is fixed on the plunger flange (3); and the piston rod end of the radial adjustment cylinder (104) is abutted against the axial adjustment block (91).

8. The heated floating rod structure according to any one of claims 3 to 7, characterized in that: The axial adjustment block (91) is provided with a plurality of adjustment through holes (93), and an adjustment gap is provided between the adjustment through holes (93) and the axial adjustment screw (92); the axial adjustment block (91) is provided with a plurality of adjustment side surfaces (94) in a stepped structure.

9. The heated floating rod structure according to any one of claims 2 to 7, characterized in that: The heating assembly (6) comprises a heating element (61) arranged inside the plunger (7) and a thermocouple (62) arranged outside the plunger (7).

10. The heated floating rod structure according to any one of claims 1 to 7, characterized in that: The plunger flange (3) is provided with a plurality of flange adjustment screw holes (31).

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