A quick-release ceramic powder metallurgy mold

Abstract

The utility model discloses a quick-detachable ceramic powder metallurgy mold in the field of ceramic powder metallurgy molds, comprising a base, a support rod, a top plate, a hydraulic cylinder, a lower mold, an upper mold and a connecting mechanism, wherein the support rod is fixedly connected to the top four corners of the base, the top plate is fixedly connected to the top of the support rod, and the hydraulic cylinder is fixedly connected to the top middle of the top plate. When replacing the quick-detachable ceramic powder metallurgy mold, the pull plate is pulled to drive the pull rod to move, so that the movable plate moves and drives the card block to move out of the card slot, thereby releasing the fixation of the mold, disassembling the mold, and then installing a new mold, embedding the connecting block in the connecting slot, squeezing the card block to shrink the card block, and when the card block is aligned with the card slot, the card block is embedded in the card slot to complete the installation, making the mold replacement faster and more convenient to disassemble and assemble, saving time and effort, and improving the efficiency of replacement.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramic powder metallurgy moulds, in particular to a quick-detachable ceramic powder metallurgy mould. Background Art

[0002] Powder pressing dies are the main tools for powder pressing, which are related to the quality, cost, safety and productivity of powder metallurgy product production, and have an extremely important impact on powder metallurgy processes and parts. Due to the many methods of powder pressing, powder pressing dies are also varied. According to the different pressing methods, they can be divided into: pressing dies, finishing dies, composite pressing dies, forging dies, etc.

[0003] At present, ceramic powder metallurgy molds are usually connected by multiple bolts during installation. When replacing the mold, multiple bolts need to be removed, which makes the replacement very time-consuming and labor-intensive, reduces the replacement efficiency, and is inconvenient to replace. For this reason, we propose a quick-release ceramic powder metallurgy mold. Utility Model Content

[0004] The purpose of the utility model is to provide a quick-release ceramic powder metallurgy mold to solve the problem raised in the above background technology that the current ceramic powder metallurgy mold is usually connected by multiple bolts during installation, which is very time-consuming and labor-intensive when replacing the mold, reducing the replacement efficiency and making it inconvenient to replace.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick-release ceramic powder metallurgy mold, comprising a base, a support rod, a top plate, a hydraulic cylinder, a lower mold, an upper mold and a connecting mechanism, wherein the support rod is fixedly connected to the top four corners of the base, the top plate is fixedly connected to the top of the support rod, the hydraulic cylinder is fixedly connected to the top middle of the top plate, and the output shaft end of the hydraulic cylinder passes through the bottom middle of the top plate, the lower mold is connected to the top middle of the base through the connecting mechanism, and the upper mold is connected to the output shaft end of the hydraulic cylinder through the connecting mechanism, and the connecting mechanism comprises a connecting seat, a connecting groove, an installation cavity, a pull rod, a movable plate, a pull plate, a reset spring, and a card block. , connecting blocks and slots, the middle top portion of the base and the end portion of the output shaft of the hydraulic cylinder are fixedly connected with connecting seats, the middle portions of the opposite sides of the connecting seats of the upper and lower portions are provided with connecting slots, the middle portions of the left and right sides of the connecting slots are provided with mounting cavities, the front and rear portions of the mutually distant sides of the mounting cavities of the left and right portions are slidably connected with pull rods, the opposite ends of the pull rods of the left and right portions are fixedly connected with moving plates, the mutually distant ends of the pull rods of the left and right portions are fixedly connected with pull plates, the outer sides of the pull rods are sleeved with return springs, the middle portions of the opposite sides of the moving plates of the left and right portions are fixedly connected with clamping blocks, the middle bottom portion of the lower mold and the top of the upper mold are fixedly connected with connecting blocks, and the middle portions of the left and right sides of the connecting blocks of the left and right portions are provided with slots.

[0006] As a further description of the above technical solution:

[0007] The movable plate is slidably connected to the interior of the installation cavity, and the outer side wall of the movable plate is in contact with the inner side wall of the installation cavity.

[0008] As a further description of the above technical solution:

[0009] Equal sides of the clamping blocks at the upper and lower parts are provided with inclined surfaces, and the top left and right sides of the top connecting block and the bottom left and right sides of the bottom connecting block are also provided with inclined surfaces.

[0010] As a further description of the above technical solution:

[0011] The lower mold is internally connected with an ejection mechanism, and the ejection mechanism includes a cavity, a fixed frame, an electric telescopic rod, an extrusion block, a slide groove, a slider and an ejection block. A cavity is opened through the middle of the left bottom of the mold cavity of the lower mold, a fixed frame is fixedly connected to the middle of the left bottom of the lower mold, an electric telescopic rod is fixedly connected to the middle of the right side of the fixed frame, an extrusion block is fixedly connected to the output shaft end of the electric telescopic rod, a slide groove is opened in the middle of the bottom of the front and rear sides of the mold cavity of the lower mold, a slider is slidably connected inside the slide groove, and an ejection block is fixedly connected between the opposite sides of the sliders at the front and rear.

[0012] As a further description of the above technical solution:

[0013] The input end of the electric telescopic rod is electrically connected to the output end of the external power supply, and the top right side of the extrusion block and the bottom left side of the ejection block are both provided with inclined surfaces.

[0014] As a further description of the above technical solution:

[0015] The outer side wall of the ejection block is in contact with the inner side wall of the mold cavity of the lower mold.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. When replacing the quick-detachable ceramic powder metallurgy mold, pull the pull plate to drive the pull rod to move, move the movable plate, drive the card block out of the card slot, release the fixation of the mold, disassemble the mold, and then install the new mold, embed the connecting block in the connecting slot, squeeze the card block to shrink the card block, compress the reset spring, and when the card block is aligned with the card slot, the reset spring resets the card block to embed it in the card slot, and the installation is completed, making the mold replacement faster, convenient for disassembly and assembly, saving time and effort, and improving the efficiency of replacement.

[0018] 2. The quick-detachable ceramic powder metallurgy mold moves the extrusion block by starting the electric telescopic rod, so that the inclined surface of the extrusion block extrude the inclined surface of the ejection block, so that the ejection block moves upward, thereby ejecting the pressed workpiece from the lower mold, thereby facilitating material removal and improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a quick-detachable ceramic powder metallurgy mold proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the connection mechanism structure of a quick-detachable ceramic powder metallurgy mold proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the connection groove of a quick-detachable ceramic powder metallurgy mold proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of an ejection mechanism of a quick-detachable ceramic powder metallurgy mold proposed by the utility model;

[0023] Figure 5 The utility model discloses a schematic diagram of the structure of a slideway of a quick-detachable ceramic powder metallurgy mold.

[0024] In the figure: 100, base; 200, support rod; 300, top plate; 400, hydraulic cylinder; 500, lower mold; 600, upper mold; 700, connecting mechanism; 710, connecting seat; 720, connecting groove; 730, mounting cavity; 740, pull rod; 750, movable plate; 760, pull plate; 770, return spring; 780, clamping block; 790, connecting block; 791, clamping groove; 800, ejection mechanism; 810, cavity; 820, fixing frame; 830, electric telescopic rod; 840, extrusion block; 850, slide groove; 860, slider; 870, ejection block. 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 description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The utility model provides a quick-release ceramic powder metallurgy mold, which makes the mold replacement faster, convenient for disassembly and assembly, saves time and effort, and improves the efficiency of replacement. Please refer to Figure 1-5 , including a base 100, a support rod 200, a top plate 300, a hydraulic cylinder 400, a lower mold 500, an upper mold 600 and a connecting mechanism 700;

[0029] Please refer again Figure 1 , the base 100 is used to install the support rod 200, the top plate 300, the hydraulic cylinder 400, the lower mold 500, the upper mold 600 and the connecting mechanism 700;

[0030] Please refer again Figure 1 The support rod 200 is fixedly connected to the four corners of the top of the base 100 for installing the top plate 300. The top plate 300 is fixedly connected to the top of the support rod 200 for installing the hydraulic cylinder 400. The hydraulic cylinder 400 is fixedly connected to the middle of the top of the top plate 300, and the output shaft end of the hydraulic cylinder 400 passes through the middle of the bottom of the top plate 300. The lower mold 500 is connected to the middle of the top of the base 100 through a connecting mechanism 700, and the upper mold 600 is connected to the output shaft end of the hydraulic cylinder 400 through a connecting mechanism 700.

[0031] Please refer again Figure 2, the connecting mechanism 700 includes a connecting seat 710, a connecting groove 720, a mounting cavity 730, a pull rod 740, a moving plate 750, a pull plate 760, a return spring 770, a clamping block 780, a connecting block 790 and a clamping groove 791;

[0032] Please refer again Figure 2 The middle part of the top of the base 100 and the end of the output shaft of the hydraulic cylinder 400 are both fixedly connected with a connecting seat 710, the middle part of the opposite sides of the upper and lower connecting seats 710 is provided with a connecting groove 720, the middle part of the left and right sides of the connecting groove 720 is provided with a mounting cavity 730, the front and rear parts of the mutually away sides of the mounting cavities 730 of the left and right parts are penetrated and slidably connected with a pull rod 740, and the opposite ends of the pull rods 740 of the left and right parts are fixedly connected with a moving plate 750;

[0033] Please refer again Figure 2 The ends of the left and right pull rods 740 that are away from each other are fixedly connected with a pull plate 760, a return spring 770 is sleeved on the outer side of the pull rod 740, a clamping block 780 is fixedly connected in the middle of the opposite sides of the left and right movable plates 750, a connecting block 790 is fixedly connected in the middle of the bottom of the lower mold 500 and the top of the upper mold 600, and a clamping groove 791 is provided in the middle of the left and right sides of the connecting blocks 790 of the left and right parts.

[0034] To sum up, when replacing, pull the pull plate 760 to drive the pull rod 740 to move, so that the movable plate 750 moves, and drives the block 780 to move out of the slot 791, release the fixation of the mold, disassemble the mold, and then install the new mold, embed the connecting block 790 in the connecting slot 720, squeeze the block 780, so that the block 780 contracts, so that the reset spring 770 is compressed, and when the block 780 is aligned with the slot 791, the reset spring 770 is reset to make the block 780 embedded in the slot 791, and the installation is completed, so that the replacement of the mold is faster, convenient for disassembly and assembly, saving time and effort, and improving the efficiency of replacement.

[0035] Please refer again Figure 2 The movable plate 750 is slidably connected to the interior of the installation cavity 730 , and the outer wall of the movable plate 750 is in contact with the inner wall of the installation cavity 730 .

[0036] Please refer again Figure 2 , equal sides of the upper and lower blocks 780 are provided with inclined surfaces, and the top left and right sides of the top connecting block 790 and the bottom left and right sides of the bottom connecting block 790 are also provided with inclined surfaces.

[0037] Please refer again Figure 4The lower mold 500 is internally connected with an ejection mechanism 800, and the ejection mechanism 800 includes a cavity 810, a fixed frame 820, an electric telescopic rod 830, an extrusion block 840, a slide groove 850, a slider 860 and an ejection block 870. A cavity 810 is provided in the middle of the left bottom of the mold cavity of the lower mold 500, a fixed frame 820 is fixedly connected in the middle of the left bottom of the lower mold 500, an electric telescopic rod 830 is fixedly connected in the middle of the right side of the fixed frame 820, and an extrusion block 840 is fixedly connected to the output shaft end of the electric telescopic rod 830. A slide groove 850 is provided in the middle of the bottom of the front and rear sides of the mold cavity of the lower mold 500, and a slider 860 is slidably connected inside the slide groove 850, and an ejection block 870 is fixedly connected between the opposite sides of the sliders 860 at the front and rear parts.

[0038] Please refer again Figure 4 The input end of the electric telescopic rod 830 is electrically connected to the output end of the external power supply, and the top right side of the extrusion block 840 and the bottom left side of the ejection block 870 are both provided with inclined surfaces.

[0039] Please refer again Figure 4 The outer wall of the ejector block 870 is in contact with the inner wall of the mold cavity of the lower mold 500 .

[0040] In summary, by starting the electric telescopic rod 830, the extrusion block 840 moves, so that the inclined surface of the extrusion block 840 squeezes the inclined surface of the ejection block 870, so that the ejection block 870 moves upward, thereby ejecting the pressed workpiece from the lower mold 500, thereby facilitating material removal and improving the practicality of the device.

[0041] During specific use, when replacing the mold, personnel in this technical field pull the pull plate 760 to drive the pull rod 740 to move, so that the movable plate 750 moves, and drives the card block 780 to move out of the card slot 791, releases the fixation of the mold, and removes the mold. Then, the new mold is installed, the connecting block 790 is embedded in the connecting groove 720, and the card block 780 is squeezed to shrink the card block 780, so that the reset spring 770 is compressed. When the card block 780 is aligned with the card slot 791, the reset spring 770 is reset to make the card block 780 embedded in the card slot 791, and the installation is completed. After the workpiece is pressed, the electric telescopic rod 830 is started to move the extrusion block 840, so that the inclined surface of the extrusion block 840 is squeezed against the inclined surface of the ejection block 870, so that the ejection block 870 moves upward, thereby ejecting the pressed workpiece out of the lower mold 500.

[0042] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A quick-release ceramic powder metallurgy mold, characterized in that: The invention comprises a base (100), a support rod (200), a top plate (300), a hydraulic cylinder (400), a lower die (500), an upper die (600) and a connecting mechanism (700), wherein the support rod (200) is fixedly connected to the four corners of the top of the base (100), the top plate (300) is fixedly connected to the top of the support rod (200), the hydraulic cylinder (400) is fixedly connected to the middle of the top of the top plate (300), and the output shaft end of the hydraulic cylinder (400) passes through the top plate The lower mold (500) is connected to the middle of the top of the base (100) through the connecting mechanism (700), and the upper mold (600) is connected to the output shaft end of the hydraulic cylinder (400) through the connecting mechanism (700). The connecting mechanism (700) includes a connecting seat (710), a connecting groove (720), a mounting cavity (730), a pull rod (740), a movable plate (750), a pull plate (760), a reset spring (770), a block (780), a connecting The base (100) and the output shaft end of the hydraulic cylinder (400) are fixedly connected with a connecting seat (710), and the middle of the top of the base (100) and the output shaft end of the hydraulic cylinder (400) are fixedly connected with a connecting seat (710), and the middle of the opposite sides of the connecting seat (710) of the upper and lower parts are provided with a connecting groove (720), and the middle of the left and right sides of the connecting groove (720) are provided with a mounting cavity (730), and the front and rear parts of the mutually away sides of the mounting cavities (730) of the left and right parts are penetrated and slidably connected with a pull rod (740), and the opposite ends of the pull rods (740) of the left and right parts are connected with the connecting seat (710) of the upper and lower parts. A movable plate (750) is fixedly connected, and the ends of the pull rods (740) on the left and right parts that are away from each other are fixedly connected with a pull plate (760), the outer side of the pull rod (740) is sleeved with a return spring (770), and the middle parts of the opposite sides of the movable plates (750) on the left and right parts are fixedly connected with a clamping block (780), the middle part of the bottom of the lower mold (500) and the top of the upper mold (600) are fixedly connected with a connecting block (790), and the middle parts of the left and right sides of the connecting blocks (790) on the left and right parts are provided with a clamping groove (791).

2. The quick-release ceramic powder metallurgy mold according to claim 1, characterized in that: The movable plate (750) is slidably connected to the interior of the installation cavity (730), and the outer wall of the movable plate (750) is in contact with the inner wall of the installation cavity (730).

3. The quick-release ceramic powder metallurgy mold according to claim 1, characterized in that: Equal sides of the upper and lower clamping blocks (780) are provided with inclined surfaces, and the top left and right sides of the top connecting block (790) and the bottom left and right sides of the bottom connecting block (790) are also provided with inclined surfaces.

4. The quick-release ceramic powder metallurgy mold according to claim 1, characterized in that: The lower mold (500) is internally connected to an ejection mechanism (800), and the ejection mechanism (800) comprises a cavity (810), a fixing frame (820), an electric telescopic rod (830), an extrusion block (840), a slide groove (850), a slider (860) and an ejection block (870). The cavity (810) is penetrated in the middle of the left bottom of the mold cavity of the lower mold (500), and the fixing frame is fixedly connected in the middle of the left bottom of the lower mold (500). (820), an electric telescopic rod (830) is fixedly connected to the middle part of the right side of the fixed frame (820), and an extrusion block (840) is fixedly connected to the end of the output shaft of the electric telescopic rod (830), and a slide groove (850) is opened in the middle part of the bottom of the front and rear sides of the mold cavity of the lower mold (500), and a slider (860) is slidably connected inside the slide groove (850), and an ejection block (870) is fixedly connected between the opposite sides of the slider (860) at the front and rear parts.

5. The quick-release ceramic powder metallurgy mold according to claim 4, characterized in that: The input end of the electric telescopic rod (830) is electrically connected to the output end of an external power source, and the top right side of the extrusion block (840) and the bottom left side of the ejection block (870) are both provided with inclined surfaces.

6. The quick-release ceramic powder metallurgy mold according to claim 4, characterized in that: The outer side wall of the ejection block (870) is in contact with the inner side wall of the mold cavity of the lower mold (500).

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