Automatic mold unloading device for screw pressing mold

Abstract

The invention discloses an automatic mold unloading device for a screw pressing mold. The automatic mold unloading device comprises a mounting platform, a cone fixing assembly, a nut loading and unloading assembly and a needle taking assembly, wherein the cone fixing assembly, the nut loading and unloading assembly and the needle taking assembly are mounted on the mounting platform; a to-be-disassembled cone mold is clamped and fixed to the cone fixing assembly, and the nut assembling and disassembling assembly is transversely moved to disassemble a clamping ring bolt of the to-be-disassembled cone mold. After the cone fixing assembly separates the to-be-disassembled cone mold from front to back, the needle taking assembly is transversely moved to the position of a mold needle; the needle taking assembly firstly cuts the medicine and then takes the needle. The automatic mold unloading device is easy to operate and high in automation degree, the automatic loading and unloading process of the screw pressing mold is achieved, the mold loading and unloading operation is safe, simple and standard, and the intrinsic safety and the automation degree of a certain propellant production process are improved.

Description

Technical Field

[0001] The invention relates to an automatic mold unloading device for a screw pressing mold, belonging to the technical field of explosives. Background Art

[0002] The production of a certain propellant primarily utilizes a screw-forming process, which primarily involves mold loading, charge extrusion, and mold removal. Traditionally, this process involves operators assembling and disassembling each mold component, a complex and labor-intensive process. Furthermore, the large amount of charge stored within the mold can lead to friction and impact during disassembly, which can cause the charge to explode and cause accidents. Summary of the Invention

[0003] The purpose of the present invention is to provide an automatic unloading device for screw-type molds in order to solve the problems of low efficiency and labor-intensiveness in the assembly and unassembly process of traditional screw-type molds.

[0004] The purpose of the present invention is achieved through the following technical solutions:

[0005] The automatic demoulding device for a screw pressing mold of the present invention comprises a mounting platform, a cone fixing component mounted on the mounting platform, a nut mounting and dismounting component, and a needle removal component;

[0006] The mounting platform includes a platform base with a flat upper surface, a middle guide rail arranged in the middle of the upper surface of the platform base, two sets of side guide rails arranged on both sides of the upper surface of the platform base, a middle oil cylinder fixing seat fixed to the front end of the middle guide rail, and side oil cylinder fixing seats respectively fixed to the rear ends of the two sets of side guide rails;

[0007] The cone fixing assembly includes two cone supports, a cone sliding block respectively arranged at the lower end of each cone support, a cone clamping block respectively fixed at the upper end of each cone support, a clamping motor for driving each cone clamping block to clamp, and a cone sliding oil cylinder arranged on the middle oil cylinder fixing seat; the cone fixing assembly is connected to the middle guide rail of the mounting platform through the cone sliding block, the telescopic rod of the cone sliding oil cylinder is fixed to the cone support on the front side, and the cone sliding oil cylinder controls the cone support on the front side to move along the middle guide rail through the telescopic rod;

[0008] The nut loading and unloading assembly includes a nut loading and unloading base, a nut loading and unloading slider arranged at the lower end of the nut loading and unloading base, a nut loading and unloading support frame connected to the upper end of the nut loading and unloading base through a guide rail, a rotating motor fixed to the upper end of the nut loading and unloading support frame, a nut sleeve fixed to the front end of the output shaft of the rotating motor, and a loading and unloading drive mechanism for driving the nut loading and unloading support frame to move relative to the nut loading and unloading base, and the nut loading and unloading assembly is connected to a set of side guide rails of the mounting platform through the nut loading and unloading slider;

[0009] The needle removal assembly includes two sets of needle removal sub-components symmetrically mounted on the two sets of side guide rails of the mounting platform; each set of needle removal sub-components includes a needle removal sub-component seat, a needle removal slider arranged at the lower end of the needle removal sub-component seat, a cutter sub-component and a mold needle positioning sub-component connected to the upper end of the needle removal sub-component seat through thrust cylinders, and a needle removal sliding cylinder arranged at the upper end of the side cylinder fixing seat;

[0010] The two sets of needle removal components are respectively connected to the two sets of side guide rails of the mounting platform through their respective needle removal slides. The telescopic rod of the needle removal sliding oil cylinder is fixed to the needle removal component seat on the same side. The needle removal sliding oil cylinder controls the needle removal component seat to move along the side guide rails through the telescopic rod.

[0011] A discharge oil cylinder is provided on the middle oil cylinder fixing seat, and the telescopic rod of the discharge oil cylinder is directly opposite to the clamping center of the cone clamping block and is used for unloading the mold.

[0012] A torque sensor is connected between the output shaft of the rotating motor and the nut sleeve to monitor the rotational torque of the output shaft of the rotating motor.

[0013] A guide rod is provided between the cutter sub-component and the mold needle positioning sub-component and the needle removal sub-component seat to ensure that the cutter sub-component and the mold needle positioning sub-component move in a straight line.

[0014] Working process

[0015] The cone mold to be disassembled is clamped and fixed on the two cone clamping blocks of the cone fixing assembly, and the nut loading and unloading assembly is moved horizontally along the side guide rail to the nut sleeve and the retaining ring bolt of the cone mold to be disassembled, and the nut sleeve is driven by the loading and unloading drive mechanism to move longitudinally until it is engaged with the retaining ring bolt of the cone mold to be disassembled, and the nut sleeve is driven by the rotating motor to rotate to remove the retaining ring bolt; the cone sliding cylinder controls the front cone support to move horizontally along the middle guide rail to separate the cone mold to be disassembled front and back; the needle removal sliding cylinder controls the needle removal component seat to move along the side guide rail to the mold needle; the thrust cylinder controls the two cutter components to move relative to each other to cut the medicine, and then controls the two mold needle positioning components to move relative to each other to clamp the mold needle, and then controls the needle removal component seat to move along the side guide rail to separate the mold needle by the needle removal sliding cylinder; finally, the telescopic rod of the unloading cylinder is controlled to extend to eject the medicine in the mold.

[0016] Beneficial effects:

[0017] The automatic mold unloading device of the present invention is simple to operate and has a high degree of automation, realizes the automatic loading and unloading process of the screw pressing mold, makes the mold loading and unloading operation safe, simple and standardized, and improves the intrinsic safety and automation level of a certain propellant production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the overall structure of the automatic mold unloading device of the present invention;

[0019] Figure 2 A top view of the automatic mold unloading device of the present invention;

[0020] Figure 3 This is a schematic structural diagram of the installation platform in the automatic mold unloading device of the present invention;

[0021] Figure 4 Schematic diagram of the structure of the cone solid component in the automatic mold unloading device of the present invention;

[0022] Figure 5 It is a structural schematic diagram of the nut loading and unloading assembly in the automatic mold unloading device of the present invention;

[0023] Figure 6 It is a structural schematic diagram of the needle removal assembly in the automatic mold unloading device of the present invention;

[0024] In the figure, 1-installation platform, 11-platform base, 12-middle guide rail, 13-side guide rail, 14-middle cylinder fixing seat, 15-side cylinder fixing seat, 2-cone fixed assembly, 21-cone support, 22-cone slider, 23-cone clamping block, 24-cone sliding cylinder, 25-clamping motor, 26-unloading cylinder, 3-nut loading and unloading assembly, 31-nut loading and unloading base, 32-nut loading and unloading slider, 33-nut loading and unloading support frame, 34-rotating motor, 35-nut sleeve, 36-loading and unloading drive mechanism, 37-torque sensor, 4-needle removal assembly, 41-needle removal sub-assembly seat, 42-needle removal slider, 43-thrust cylinder, 44-cutter sub-assembly, 45-mold needle positioning sub-assembly, 46-needle removal sliding cylinder. DETAILED DESCRIPTION

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0026] Example

[0027] like Figure 1 、 2 As shown, an automatic unloading device for a screw pressing mold of the present invention comprises a mounting platform 1, a cone fixing component 2 mounted on the mounting platform 1, a nut mounting and disassembling component 3, and a needle removal component 4;

[0028] like Figure 3 As shown, the mounting platform 1 includes a platform base 11 with a flat upper surface, a middle guide rail 12 provided in the middle of the upper surface of the platform base 11, two sets of side guide rails 13 provided on both sides of the upper surface of the platform base 11, a middle oil cylinder fixing seat 14 fixed to the front end of the middle guide rail 12, and side oil cylinder fixing seats 15 respectively fixed to the rear ends of the two sets of side guide rails 13;

[0029] like Figure 4 As shown, the cone fixing assembly 2 includes two cone supports 21, a cone slider 22 respectively arranged at the lower end of each cone support 21, a cone clamping block 23 respectively fixed at the upper end of each cone support 21, a clamping motor 25 for driving each cone clamping block 23 to clamp, and a cone sliding cylinder 24 arranged on the middle cylinder fixing seat 14; the cone fixing assembly 2 is connected to the middle guide rail 12 of the mounting platform 1 through the cone slider 22, and the telescopic rod of the cone sliding cylinder 24 is fixed to the front cone support 21, and the cone sliding cylinder 24 controls the front cone support 21 to move along the middle guide rail 12 through the telescopic rod;

[0030] like Figure 5 As shown, the nut loading and unloading assembly 3 includes a nut loading and unloading base 31, a nut loading and unloading slider 32 provided at the lower end of the nut loading and unloading base 31, a nut loading and unloading support frame 33 connected to the upper end of the nut loading and unloading base 31 through a guide rail, a rotating motor 34 fixed to the upper end of the nut loading and unloading support frame 33, a nut sleeve 35 fixed to the front end of the output shaft of the rotating motor 34, and a loading and unloading drive mechanism 36 for driving the nut loading and unloading support frame 33 to move relative to the nut loading and unloading base 31. The nut loading and unloading assembly 3 is connected to a set of side guide rails 13 of the mounting platform 1 through the nut loading and unloading slider 32;

[0031] like Figure 6 As shown, the needle removal assembly 4 includes two sets of needle removal sub-components symmetrically mounted on the two sets of side guide rails 13 of the mounting platform 1; each set of needle removal sub-components includes a needle removal sub-component seat 41, a needle removal slider 42 arranged at the lower end of the needle removal sub-component seat 41, a cutter sub-component 44 and a mold needle positioning sub-component 45 connected to the upper end of the needle removal sub-component seat 41 through a thrust cylinder 43, and a needle removal sliding cylinder 46 arranged at the upper end of the side cylinder fixing seat 15;

[0032] The two sets of needle removal components are respectively connected to the two sets of side guide rails 13 of the mounting platform 1 through their respective needle removal slides 42. The telescopic rod of the needle removal sliding oil cylinder 46 is fixed to the needle removal component seat 41 on the same side. The needle removal sliding oil cylinder 46 controls the needle removal component seat 41 to move along the side guide rail 13 through the telescopic rod.

[0033] A discharge oil cylinder 26 is provided on the middle oil cylinder fixing seat 14 , and the telescopic rod of the discharge oil cylinder 26 is directly opposite to the clamping center of the cone clamping block 23 for unloading the mold.

[0034] A torque sensor 37 is connected between the output shaft of the rotating motor 34 and the nut sleeve 35 to monitor the rotational torque of the output shaft of the rotating motor 34 .

[0035] A guide rod 47 is provided between the cutter component 44 and the mold needle positioning component 45 and the needle removal component seat 41 to ensure that the cutter component 44 and the mold needle positioning component 45 move in a straight line.

[0036] Working process

[0037] The cone mold to be disassembled is clamped and fixed on the two cone clamping blocks 23 of the cone fixing assembly, and the nut loading and unloading assembly 3 is moved horizontally along the side guide rail 13 to the position of the nut sleeve 35 and the retaining ring bolt of the cone mold to be disassembled. The nut sleeve 35 is driven by the loading and unloading drive mechanism 36 to move longitudinally to engage with the retaining ring bolt of the cone mold to be disassembled, and the nut sleeve 35 is driven by the rotating motor 34 to rotate and remove the retaining ring bolt; the cone support 21 on the front side is controlled by the cone sliding cylinder 24 to move along the middle guide rail 1 2 moves horizontally to separate the front and back of the cone mold to be disassembled; the needle removal sliding cylinder 46 controls the needle removal sub-assembly seat 41 to move along the side guide rail 13 to the mold needle; the thrust cylinder 43 controls the two cutter sub-assemblies 44 to move relative to each other to cut the medicine, and then controls the two mold needle positioning sub-assemblies 45 to move relative to each other to clamp the mold needle, and then controls the needle removal sliding cylinder 46 to control the needle removal sub-assembly seat 41 to move along the side guide rail 13 to separate the mold needle; finally, the telescopic rod of the unloading cylinder 26 is controlled to extend to eject the medicine in the mold.

Claims

1. An automatic unloading device for a screw pressing mold, characterized in that: It includes a mounting platform, a cone fixing component mounted on the mounting platform, a nut assembly and disassembly component, and a needle removal component; The mounting platform includes a platform base with a flat upper surface, a middle guide rail arranged in the middle of the upper surface of the platform base, two sets of side guide rails arranged on both sides of the upper surface of the platform base, a middle oil cylinder fixing seat fixed to the front end of the middle guide rail, and side oil cylinder fixing seats respectively fixed to the rear ends of the two sets of side guide rails; The cone fixing assembly includes two cone supports, a cone sliding block respectively arranged at the lower end of each cone support, a cone clamping block respectively fixed at the upper end of each cone support, a clamping motor for driving each cone clamping block to clamp, and a cone sliding oil cylinder arranged on the middle oil cylinder fixing seat; the cone fixing assembly is connected to the middle guide rail of the mounting platform through the cone sliding block, the telescopic rod of the cone sliding oil cylinder is fixed to the cone support on the front side, and the cone sliding oil cylinder controls the cone support on the front side to move along the middle guide rail through the telescopic rod; The nut loading and unloading assembly includes a nut loading and unloading base, a nut loading and unloading slider arranged at the lower end of the nut loading and unloading base, a nut loading and unloading support frame connected to the upper end of the nut loading and unloading base through a guide rail, a rotating motor fixed to the upper end of the nut loading and unloading support frame, a nut sleeve fixed to the front end of the output shaft of the rotating motor, and a loading and unloading drive mechanism for driving the nut loading and unloading support frame to move relative to the nut loading and unloading base, and the nut loading and unloading assembly is connected to a set of side guide rails of the mounting platform through the nut loading and unloading slider; The needle removal assembly includes two sets of needle removal sub-components symmetrically mounted on the two sets of side guide rails of the mounting platform; each set of needle removal sub-components includes a needle removal sub-component seat, a needle removal slider arranged at the lower end of the needle removal sub-component seat, a cutter sub-component and a mold needle positioning sub-component connected to the upper end of the needle removal sub-component seat through thrust cylinders, and a needle removal sliding cylinder arranged at the upper end of the side cylinder fixing seat; The two sets of needle removal components are respectively connected to the two sets of side guide rails of the mounting platform through their respective needle removal slides. The telescopic rod of the needle removal sliding oil cylinder is fixed to the needle removal component seat on the same side. The needle removal sliding oil cylinder controls the needle removal component seat to move along the side guide rails through the telescopic rod. The cone mold to be disassembled is clamped and fixed on the two cone clamping blocks of the cone fixing assembly, and the nut loading and unloading assembly is moved horizontally along the side guide rail to the nut sleeve and the retaining ring bolt of the cone mold to be disassembled, and the nut sleeve is driven by the loading and unloading drive mechanism to move longitudinally until it is engaged with the retaining ring bolt of the cone mold to be disassembled, and the nut sleeve is driven by the rotating motor to rotate to remove the retaining ring bolt; the cone sliding cylinder controls the front cone support to move horizontally along the middle guide rail to separate the cone mold to be disassembled front and back; the needle removal sliding cylinder controls the needle removal component seat to move along the side guide rail to the mold needle; the thrust cylinder controls the two cutter components to move relative to each other to cut the medicine, and then controls the two mold needle positioning components to move relative to each other to clamp the mold needle, and then controls the needle removal component seat to move along the side guide rail to separate the mold needle by the needle removal sliding cylinder; finally, the telescopic rod of the unloading cylinder is controlled to extend to eject the medicine in the mold.

2. The automatic unloading device for a screw pressing mold according to claim 1, characterized in that: A discharge oil cylinder is provided on the middle oil cylinder fixing seat, and the telescopic rod of the discharge oil cylinder is directly opposite to the clamping center of the cone clamping block and is used for unloading the mold.

3. The automatic unloading device for a screw pressing mold according to claim 1, characterized in that: A torque sensor is connected between the output shaft of the rotating motor and the nut sleeve.

4. The automatic unloading device for a screw pressing mold according to claim 1, characterized in that: A guide rod is provided between the cutter sub-component and the mold needle positioning sub-component and the needle removal sub-component seat to ensure that the cutter sub-component and the mold needle positioning sub-component move in a straight line.

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