Non-stick pan bottom stretching forming die

Abstract

The utility model relates to the technical field of pot forming, in particular to a non-stick pot bottom stretching forming die which comprises an operation table, a vertical plate is vertically supported on the rear side of the operation table, a lifting plate is supported on the upper portion of the vertical plate, a lower die is supported on the surface of the operation table, and a stretching groove is formed in the upper end of the lower die. A limiting block is arranged on the side edge of the upper end of the lower mold, a fine adjustment screw pin is assembled on the outer side of the limiting block in a clamped mode, an upper mold is arranged over the lower mold, a lower pressing head is assembled at the bottom of the upper mold, a heating coil is assembled in the middles of the upper mold and the lower pressing head, and a lifting frame is assembled at the upper end of the upper mold through a lifting base. And a hydraulic cylinder is supported at the top of the hoisting frame and is hoisted in the center of the lower surface of the hoisting plate. Limiting and continuous heating can be conveniently carried out when blanks are placed according to use requirements, uneven extrusion and stretching are not prone to being caused, and the non-stick pan production quality can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pot forming technical field, concretely to a non-stick pot bottom stretch forming die. BACKGROUND

[0002] In the modern kitchenware manufacturing field, non-stick pot is favored by consumers because of its excellent anti-sticking performance. The forming process of non-stick pot bottom plays a key role in its performance and quality. Extrusion stretch forming is a common manufacturing method, which extrudes and stretches the pot blank after heating to preliminarily form the corresponding pot shape, and then performs non-stick pot coating and other processing technologies.

[0003] For example, the patent document with the announcement number CN202021621181.7 discloses an automatic assembly line for pot body stretch forming, relating to the technical field of pot manufacturing. The utility model discloses a base, a lower die, an upper die and a swing arm mechanism, four slide rods are installed at the upper end of the base, a movable plate is slidably arranged on the slide rods, and the bottom end of the movable plate is fixedly connected with the top end of the lower hydraulic telescopic rod installed in the base. The utility model discloses a lower die, an upper die and a swing arm mechanism, the swing arm mechanism can automatically carry the plate material for pot body stretching from the horizontal conveying frame to the lower die, and then stamping is realized through the cooperation of the lower die and the upper die, so that the shape is formed

[0004] The existing extrusion stretch forming device is inconvenient to limit and continuously heat when placing the blank according to the use needs, which easily causes uneven extrusion and stretching, affecting the production quality of non-stick pot, so it is urgent to design a non-stick pot bottom stretch forming die to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a non-stick pot bottom stretch forming die to solve the problem of the existing extrusion stretch forming device being inconvenient to limit and continuously heat when placing the blank according to the use needs, which easily causes uneven extrusion and stretching, affecting the production quality of non-stick pot.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a non-stick pot bottom stretch forming die, including an operation table, the rear side of the operation table is vertically supported with a vertical plate, and the upper part of the vertical plate is supported with a hoisting plate, the surface of the operation table is supported with a lower die, the upper end of the lower die is internally provided with a stretch groove, the side edge of the upper end of the lower die is provided with a limiting block, and the outer side of the limiting block is provided with a micro-adjusting screw pin through clamping assembly, the upper die is arranged above the lower die, the bottom of the upper die is provided with a pressing head, the middle part of the upper die and the pressing head is provided with a heating coil, the upper end of the upper die is provided with a hoisting frame through a hoisting seat, the top of the hoisting frame is supported with a hydraulic cylinder, and the hydraulic cylinder is hoisted on the lower surface center of the hoisting plate.

[0007] As a further step of this solution, the lower mold is integrally provided with a corresponding side expansion plate, and a limiting block is integrally fixed on the outer surface of the side expansion plate. The fine-tuning pin is threadedly inserted into the limiting block, and an assembly sleeve is fitted on the inner end of the fine-tuning pin. The assembly sleeve is fitted onto the outer wall of the limiting block, and an assembly retainer is fitted inside the assembly sleeve. The assembly retainer is fixed to the inner end of the fine-tuning pin, and a torsion cap is fixed on the outer end of the fine-tuning pin.

[0008] As a further step of this solution, the three sets of limiting blocks and fine-tuning screws are evenly and equidistantly distributed in a triangular shape around the side of the lower mold, and a limiting slide rod is fixed on the outer wall side of the limiting block. The limiting slide rod is inserted through the inside of the limiting block, and a corresponding sliding groove is opened inside the limiting block.

[0009] As a further step of this solution, the bottom of the lower mold is supported by a bottom support column, and the bottom support is fixed to the surface of the operating table by bolts. The bottom wall of the stretching groove is provided with a slag discharge hole.

[0010] As a further improvement of this solution, the bottom of the upright plate is supported by reinforcing ribs on both the front and rear sides, and the upper and lower parts of the hoisting plate are supported by support beams on the front side of the upright plate. A rear operation window corresponding to the fine-tuning screw is opened in the center of the lower part of the upright plate.

[0011] As a further step of this solution, the upper part of the heating coil is integrally fixed with two sets of corresponding inlet and outlet heads, and the outer ends of the inlet and outlet heads are connected to the outer pipes. The outer ends of the outer pipes are connected to the mold temperature controller through metal hoses. The lower surface of the upper mold and the upper surface of the lower press head are respectively provided with inner grooves corresponding to the heating coil, and the upper part of the upper mold is provided with corresponding through holes.

[0012] As a further step of this solution, a lifting column is provided between the lifting base and the upper mold, and the upper mold and the lower press head are assembled by self-tapping screws threaded in and out, and the lower press head has a corresponding self-tapping screw groove inside.

[0013] As a further step of this solution, limiting rods are fixed on both sides and the rear side of the hoisting frame, and the limiting rods are inserted through the hoisting plate. A pull cap is fixed to the outer end of the limiting rod, and a spring is sleeved on the upper part of the limiting rod, with the spring located between the pull cap and the upper surface of the hoisting plate.

[0014] Compared with the prior art, the advantages of this utility model are that it facilitates limiting and continuous heating when placing the blank according to the needs of use, and is less likely to cause uneven extrusion and stretching, which is conducive to improving the production quality of non-stick pans.

[0015] This non-stick pan bottom stretching forming mold, with its lower mold and stretching groove, facilitates subsequent extrusion and stretching forming through the upper mold. Simultaneously, when placing the heated blank, the micro-adjustment screw drives the limiting blocks for contraction and expansion adjustment. The limiting support of three sets of limiting blocks facilitates quick and accurate placement of the blank, making subsequent extrusion and stretching operations more convenient and improving the convenience and practicality of the non-stick pan bottom stretching forming mold.

[0016] This non-stick pan bottom stretching forming mold uses an upper mold with heating assistance from a lower pressure head and a heating coil. Then, it extends and presses down with the help of a lifting frame and a hydraulic cylinder. During pressing, the heating coil is connected to a mold temperature controller for continuous heating, which facilitates continuous heating of the blank to maintain a uniform temperature. This makes the extrusion and stretching process more convenient and stable, and less prone to defects such as unevenness. Attached Figure Description

[0017] Figure 1 This is a frontal perspective three-dimensional schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a bottom-view perspective view of the structure of this utility model;

[0019] Figure 3 This is a frontal exploded view of the partial structure of the upper mold of this utility model.

[0020] Figure 4 This is a top-view cross-sectional perspective view of a portion of the lower mold structure of this utility model.

[0021] In the diagram: 100, operating platform; 110, upright plate; 111, reinforcing rib; 112, rear operating window; 120, hoisting plate; 121, support beam; 200, lower mold; 201, side expansion plate; 210, bottom support; 211, bottom support column; 220, stretching groove; 221, slag discharge hole; 230, limiting block; 231, fine-tuning screw; 232, limiting side block; 233, assembly sleeve; 234, assembly retaining ring; 2 35. Torque cap; 236. Limiting slide bar; 300. Upper mold; 301. Self-tapping screw; 302. Self-tapping screw groove; 310. Lower pressure head; 320. Lifting base; 321. Lifting column; 330. Lifting frame; 331. Limiting lifting rod; 332. Pull cap; 333. Spring; 340. Hydraulic cylinder; 350. Heating coil; 351. Inlet / outlet head; 352. Outer pipe; 353. Inner groove; 354. Through hole. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-4 One embodiment provided by this utility model:

[0024] A non-stick pan bottom stretching forming mold includes an operating table 100, a vertical support plate 110 on the rear side of the operating table 100, a lifting plate 120 on the upper part of the vertical support plate 110, a lower mold 200 on the surface of the operating table 100, a stretching groove 220 inside the upper end of the lower mold 200, a limit block 230 on the upper side of the lower mold 200, and a fine adjustment screw 231 on the outer side of the limit block 230. An upper mold 300 is set directly above the lower mold 200, a lower pressure head 310 is installed at the bottom of the upper mold 300, and a heating coil 350 is installed in the middle of the upper mold 300 and the lower pressure head 310. A lifting frame 330 is installed on the upper end of the upper mold 300 through a lifting seat 320, and a hydraulic cylinder 340 is supported on the top of the lifting frame 330. The hydraulic cylinder 340 is suspended in the center of the lower surface of the lifting plate 120.

[0025] As described in more detail in this embodiment, the lower mold 200 is integrally provided with a corresponding side expansion plate 201 on its side, and a limiting block 232 is integrally fixed on the outer surface of the side expansion plate 201. A fine-tuning pin 231 is threadedly inserted into the limiting block 232, and an assembly sleeve 233 is fitted on the inner end of the fine-tuning pin 231. The assembly sleeve 233 is assembled on the outer wall of the limiting block 230, and an assembly retaining ring 234 is fitted inside the assembly sleeve 233. The assembly retaining ring 234 is fixed to the inner end of the fine-tuning pin 231, and a torsion cap 235 is fixed on the outer end of the fine-tuning pin 231. In this way, it is convenient to fine-tune and move the limiting block 230 during assembly and use, making subsequent use more convenient and efficient. Three sets of limiting blocks 230 and The fine-tuning pins 231 are evenly distributed in a triangular shape around the side of the lower mold 200, and the outer wall of the limiting block 230 is fixed with a limiting slide rod 236. The limiting slide rod 236 is inserted through the inside of the limiting side block 232, and the limiting side block 232 has a corresponding sliding groove, which is used to assist in quick positioning during assembly and use. The bottom of the upright plate 110 is supported by reinforcing ribs 111 on the front and rear sides, and the lifting plate 120 is supported by support beams 121 on the top and bottom and the front side of the upright plate 110. The lower center of the upright plate 110 has a rear operating window 112 corresponding to the fine-tuning pins 231. This facilitates stable support during assembly and use, and also facilitates the rotation control of the fine-tuning pins 231 from the rear.

[0026] As described in more detail in this embodiment, the bottom of the lower mold 200 is supported by a bottom support column 211 and a bottom support 210 is fixed to the surface of the operating table 100 by bolts. A slag discharge hole 221 is provided in the bottom wall of the stretching groove 220. In this way, it is convenient to provide auxiliary support when needed during assembly and use, and it is also convenient to discharge slag through the slag discharge hole 221 to avoid the presence of foreign matter residue inside, which would affect the subsequent quality.

[0027] As described in more detail in this embodiment, the upper part of the heating coil 350 is integrally fixed with two sets of corresponding inlet and outlet heads 351, and the outer end of the inlet and outlet head 351 is connected to an outer pipe 352. The outer end of the outer pipe 352 is connected to the mold temperature controller through a metal hose. The lower surface of the upper mold 300 and the upper surface of the lower pressure head 310 are respectively provided with inner grooves 353 corresponding to the heating coil 350. The upper end of the upper mold 300 is provided with corresponding through holes 354. In this way, it is convenient to assemble and connect the heating coil 350 during assembly and use, so that it is convenient to continuously supply heat in subsequent use.

[0028] As described in more detail in this embodiment, a lifting column 321 is provided between the lifting base 320 and the upper mold 300 for support. The upper mold 300 and the lower pressure head 310 are connected by self-tapping screws 301. The lower pressure head 310 has a corresponding self-tapping screw groove 302 inside. This facilitates auxiliary assembly and stabilization as needed during assembly and use, and also facilitates disassembly, inspection and maintenance. Limiting rods 331 are fixed on both sides and the rear side of the lifting frame 330. The limiting rods 331 are inserted through the lifting plate 120. A pull cap 332 is fixed to the outer end of the limiting rod 331. A spring 333 is sleeved on the upper part of the limiting rod 331. The spring 333 is located between the pull cap 332 and the upper surface of the lifting plate 120. This facilitates the auxiliary lifting and lowering of the lifting frame 330 and the lower components during assembly and use, making subsequent operation and use more convenient.

[0029] Working principle: During use, the user first moves the limiting block 230 according to the size of the blank, with the rotation of the fine-tuning screw 231, so that the three sets of limiting blocks 230 can easily limit the blank, making it more convenient and efficient to place the blank after heating, thus improving the efficiency of use. Further, the heating coil 350 is connected to the corresponding mold temperature controller, and then the corresponding temperature is adjusted according to the material. The heated blank is placed on the upper surface of the lower mold 200, and the hydraulic cylinder 340 is extended to drive the upper mold 300 and the lower pressure head 310 to press down. With the cooperation of the stretching groove 220, the blank is easily squeezed and stretched, so that it forms the bottom of the pot, which is convenient for subsequent non-stick pot processing.

[0030] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A non-stick pot bottom stretch forming die, comprising an operating table (100), the rear side of the operating table (100) vertically supporting a vertical plate (110), and the upper part of the vertical plate (110) supporting a hoisting plate (120), characterized in that: The operating table (100) supports a lower mold (200), and the upper end of the lower mold (200) has a stretching groove (220) inside. The upper side of the lower mold (200) is provided with a limit block (230), and a fine-tuning screw (231) is fitted on the outer side of the limit block (230). An upper mold (300) is provided directly above the lower mold (200), and a lower pressure head (310) is fitted at the bottom of the upper mold (300). A heating coil (350) is fitted in the middle of the upper mold (300) and the lower pressure head (310). A lifting frame (330) is fitted on the upper end of the upper mold (300) through a lifting seat (320), and a hydraulic cylinder (340) is supported on the top of the lifting frame (330). The hydraulic cylinder (340) is suspended in the center of the lower surface of the lifting plate (120).

2. A non-stick pan base stretch forming die according to claim 1, characterised in that: The lower mold (200) is integrally provided with a corresponding side expansion plate (201) on its side, and a limiting block (232) is integrally fixed on the outer surface of the side expansion plate (201). The fine-tuning pin (231) is threadedly inserted into the limiting block (232), and an assembly sleeve (233) is sleeved on the inner end of the fine-tuning pin (231). The assembly sleeve (233) is assembled on the outer wall of the limiting block (230), and an assembly retainer (234) is clamped inside the assembly sleeve (233). The assembly retainer (234) is fixed on the inner end of the fine-tuning pin (231), and a torsion cap (235) is fixed on the outer end of the fine-tuning pin (231).

3. A non-stick pan base stretch-forming die according to claim 2, wherein: The three sets of limiting blocks (230) and fine-tuning screws (231) are evenly distributed in a triangular shape around the side of the lower mold (200), and the outer wall of the limiting block (230) is fixed with a limiting slide rod (236). The limiting slide rod (236) is inserted through the limiting side block (232), and the limiting side block (232) has a corresponding sliding groove.

4. A non-stick pan base stretch forming die according to claim 1, characterised in that: The bottom of the lower mold (200) is supported by a bottom support (211) and a bottom support (210) is fixed to the surface of the operating table (100) by bolts. The bottom wall of the stretching groove (220) is provided with a slag discharge hole (221).

5. A non-stick pan base stretch-forming die according to claim 1, wherein: The bottom of the upright plate (110) is supported by reinforcing ribs (111) on both the front and rear sides, and the lifting plate (120) is supported by support beams (121) on the top and bottom and the front side of the upright plate (110). The lower center of the upright plate (110) is provided with a rear operation window (112) corresponding to the fine adjustment screw (231).

6. A non-stick pan base stretch forming die according to claim 1, characterised in that: The upper part of the heating coil (350) is integrally fixed with two sets of corresponding inlet and outlet heads (351), and the outer end of the inlet and outlet head (351) is connected to the outer pipe (352). The outer end of the outer pipe (352) is connected to the mold temperature controller through a metal hose. The lower surface of the upper mold (300) and the upper surface of the lower pressure head (310) are respectively provided with inner grooves (353) corresponding to the heating coil (350), and the upper interior of the upper mold (300) is provided with corresponding through holes (354).

7. A non-stick pan base stretch forming die according to claim 1, characterised in that: The lifting column (321) is arranged between the lifting seat (320) and the upper die (300), and the upper die (300) and the lower pressing head (310) are threadedly inserted and arranged through the self-tapping screw (301), and the self-tapping screw groove (302) is arranged in the lower pressing head (310).

8. A non-stick pan base stretch forming die according to claim 1, characterised in that: The limiting lifting rods (331) are fixed on the two sides and the rear side of the lifting frame (330), are inserted into the lifting plate (120), and the pull caps (332) are fixed on the outer ends of the limiting lifting rods (331), the springs (333) are arranged on the upper portions of the limiting lifting rods (331), and the springs (333) are located between the pull caps (332) and the upper surfaces of the lifting plate (120).

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