Novel powder feeding mechanism capable of feeding powder uniformly and stably

Abstract

The utility model discloses a novel powder feeding mechanism which is uniform and stable in powder feeding and comprises a powder feeding barrel, a powder feeding pipe, a powder box, a material box, a material box panel, a material box push-pull driving device, a supporting rolling element, an installation support, a powder box pressing block, a screw, a spring and a female type panel. According to the powder feeding device, vibration generated when powder is conveyed among the powder feeding barrel, the powder feeding pipe and the powder box can be reduced, so that powder filling can be more uniform and stable, and the product pressing precision is improved. Besides, a supporting rolling element is additionally arranged at the bottom of the material box panel and is in rolling contact with the material box panel, the balance degree of the material box during horizontal movement can be guaranteed, and the powder leakage condition during powder feeding of the material box is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to powder forming equipment technical field more specifically, is related to a new type powder feeding mechanism that uniformity and stability are sent to powder. BACKGROUND

[0002] The powder forming servo press usually includes upper die mechanism, lower die mechanism and powder feeding mechanism. When working, the powder feeding mechanism can deliver and fill the powder into the cavity of the lower die mechanism, and then the product can be pressed into shape after the molding of the upper die mechanism and the lower die mechanism.

[0003] Among them, the existing powder feeding mechanism is generally provided with a powder feeding barrel, a powder feeding pipe, a powder box and a powder box moving driving device. The powder feeding barrel is connected with the powder box through the powder feeding pipe. The powder stored in the powder feeding barrel can be delivered to the inside of the powder box through the powder feeding pipe. However, the powder has its own gravity. When the powder passes through the powder feeding pipe, vibration will be generated. The vibration will be transmitted to the powder box through the powder feeding pipe, causing unnecessary vibration of the powder box. In addition, when the powder enters the inside of the powder box, it will also cause unnecessary vibration of the powder box, which will affect the stability of the powder box and the uniformity of powder feeding. SUMMARY

[0004] The utility model aims at overcoming the above-mentioned defects in the prior art and providing a new type powder feeding mechanism that is uniform and stable in powder feeding.

[0005] To achieve the above-mentioned purpose, the utility model provides a new type powder feeding mechanism that is uniform and stable in powder feeding, which comprises a powder feeding barrel, a powder feeding pipe, a powder box, a barrel, a barrel panel, a barrel push-pull driving device, a supporting rolling element, a mounting bracket, a powder box pressing block, a screw, a spring and a female mold panel. The barrel is fixedly installed at the front end bottom of the barrel panel. The barrel panel is horizontally arranged. The front end of the barrel panel is provided with a powder material dropping hole communicating with the inside of the powder box. The supporting rolling element is installed at the bottom of the barrel panel through the mounting bracket and realizes rolling contact with the bottom of the barrel panel. The powder box is installed at the top of the barrel panel. The powder feeding inlet of the powder box is connected with the powder feeding outlet of the powder feeding barrel through the powder feeding pipe. The powder box pressing block is installed at both sides of the powder box. The lower end of the screw penetrates through the through hole of the two powder box pressing blocks and is fixedly connected with the female mold panel. The spring is sleeved on each screw and located between the head of the screw and the powder box pressing block. The barrel push-pull driving device is drivingly connected with the barrel. The barrel push-pull driving device can drive the barrel to slide back and forth on the female mold panel relative to the powder box.

[0006] Preferably, the supporting rolling element is a bearing or a roller.

[0007] As preferred, the cartridge push-pull driving device comprises a cartridge push-pull driving motor, a speed reducer, a swing arm and a push-pull frame, the cartridge push-pull driving motor is connected with the lower end of the swing arm through the speed reducer, the upper end of the swing arm is rotatably connected with one end of the push-pull frame, and the other end of the push-pull frame is rotatably connected with the ear buckle columns installed on the two sides of the cartridge.

[0008] As preferred, the two sides of the push-pull frame are respectively provided with a pressing driving device and a pressing arch ear buckle, the pressing driving device comprises a pressing cylinder and a pressing fork block, the output shaft of the pressing cylinder is connected with the pressing fork block, the lower end groove of the pressing fork block is clamped on the pressing arch ear buckle, and the pressing fork block is rotatably connected with the pressing arch ear buckle.

[0009] As preferred, the front end of the powder box is provided with a transparent plastic plate.

[0010] As preferred, the two sides of the powder feeding barrel are respectively provided with symmetrically arranged hanging columns, and the hanging columns are clamped in the clamping grooves of the barrel supports located on the two sides of the powder feeding barrel.

[0011] Compared with the prior art, the beneficial effects of the present application are as follows:

[0012] 1. The cartridge is arranged below the powder box, the cartridge is driven by the cartridge push-pull driving device to fill powder, the vibration generated during powder conveying among the powder feeding barrel, the powder feeding pipe and the powder box is reduced, the powder filling is more uniform and stable, and the product pressing precision is improved.

[0013] 2. The supporting rolling element is arranged at the bottom of the cartridge panel and rolls in contact with the supporting rolling element, the balance degree of the cartridge during horizontal movement is ensured, and the powder leakage during powder feeding is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0015] Figure 1 is a structural schematic view of the novel powder feeding mechanism provided by the embodiment of the present application;

[0016] Figure 2 is a structural schematic view of the main part of the novel powder feeding mechanism provided by the embodiment of the present application;

[0017] Figure 3It is the side view of the main part of the novel powder feeding mechanism provided by the embodiment of the present application.

[0018] Figure 4 It is the structural schematic view of the powder feeding barrel provided by the embodiment of the present application.

[0019] Figure 5 It is the exploded view of the powder box and the barrel part provided by the embodiment of the present application.

[0020] Figure 6 It is the structural schematic view of the pressing device provided by the embodiment of the present application. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the present application.

[0022] Please refer to Figure 1 , Figure 2 and Figure 3 The embodiment of the present application provides a novel powder feeding mechanism with uniform and stable powder feeding, which comprises a powder feeding barrel 1, a powder feeding pipe 2, a powder box 3, a barrel 4, a barrel panel 5, a barrel push-pull driving device 6, a supporting rolling element 7, a mounting bracket 8, a powder box pressing block 9, a screw 10, a spring 11 and a female panel 12 and the like. The various components of the present embodiment will be described in detail below in combination with the drawings.

[0023] As shown in Figure 4 , the powder feeding barrel 1 is provided with symmetrically arranged hanging columns 16 on both sides, and the hanging columns 16 are respectively clamped in the clamping grooves 171 of the barrel supports 17 located on both sides of the powder feeding barrel 1. The discharge port of the powder feeding barrel 1 can be connected with the feeding port of the powder box 3 through the powder feeding pipe 2.

[0024] As shown in Figure 2 , Figure 3 and Figure 5 , the barrel 4 can be provided in a square frame structure, the barrel 4 is hollow inside, the bottom of the barrel 4 is open, the barrel 4 is fixedly installed at the front end bottom of the barrel panel 5, the barrel panel 5 is horizontally arranged, the length of the barrel panel 5 is greater than the length of the barrel 4, and a plurality of powder material dropping holes 51 which are uniformly distributed and communicate with the inside of the powder box 3 are provided through the front end of the barrel panel 5 from top to bottom.

[0025] As shown in Figure 1 and Figure 3As shown in the drawings, the supporting rolling element 7 can be installed on the bottom of the magazine panel 5 and in rolling contact with the bottom of the magazine panel 5 through the mounting bracket 8, and the supporting rolling element 7 can be preferably provided as a bearing or a roller. In actual installation, the mounting bracket 8 can be installed on the rear side of the middle mold plate 20.

[0026] The supporting rolling element in rolling contact with the bottom of the magazine panel can ensure the balance of the magazine when it is horizontally moved, and avoid the powder leakage when the powder is fed.

[0027] As shown in the drawings, Figure 2 , Figure 3 and Figure 5 , the powder box 3 is installed on the top of the magazine panel 5, the inside of the powder box 3 is hollow, the upper end is provided with a feeding port, and the bottom is provided with a discharging port. The powder box pressing blocks 9 are installed on both sides of the powder box 3, the lower ends of the screws 10 pass through the through holes of the two powder box pressing blocks 9 in the longitudinal direction and are fixedly connected with the female mold panel 12, and the springs 11 are sleeved on each screw 10 and located between the head of the screw 10 and the powder box pressing block 9. Under the elastic action of the spring 11, the spring 11 can always exert a downward pressing force on the powder box pressing block 9, so that the powder box 3 can keep close contact with the magazine panel 5, and the powder leakage can be avoided.

[0028] In order to facilitate the staff to observe the internal powder condition of the powder box 3, the front end of the powder box 3 can also be provided with a transparent plastic plate 30 (such as acrylic plate).

[0029] As shown in the drawings, Figure 2 and Figure 3 , the magazine push-pull driving device 6 is in transmission connection with the magazine 4, and the magazine push-pull driving device 6 can drive the magazine 4 to slide forward and backward on the female mold panel 12 relative to the powder box 3. Specifically, the magazine push-pull driving device 6 can include a magazine push-pull driving motor 61, a speed reducer 62, a swing arm 63, and a push-pull frame 64. The magazine push-pull driving motor 61 is connected with the lower end of the swing arm 63 through the speed reducer 62, the upper end of the swing arm 63 is rotationally connected with one end of the push-pull frame 64, and the other end of the push-pull frame 64 is rotationally connected with the ear buckle columns 65 installed on both sides of the magazine 4.

[0030] As shown in the drawings, Figure 1 and Figure 6 , the two sides of the push-pull frame 64 can also be respectively provided with a downward driving device and a pressing bow ear buckle 15. The downward driving device can include a downward cylinder 13 and a downward fork block 14, the output shaft of the downward cylinder 13 is connected with the downward fork block 14, the lower end groove of the downward fork block 14 can be clamped on the pressing bow ear buckle 15, and the downward fork block 14 can be rotationally connected with the pressing bow ear buckle 15. The downward cylinder 13 can exert a downward pressing force on the push-pull frame 64, so that the magazine 4 can be closely attached to the female mold panel 12 for horizontal movement, and the powder leakage can be avoided.

[0031] The working principle of the powder feeding mechanism of the embodiment is as follows:

[0032] The powder stored in the powder feeding barrel 1 is delivered to the inside of the powder box 3 through the powder feeding pipe 2, and then enters the powder box 4 through the powder feeding hole 51 at the front end of the powder box panel 5. The powder box push-pull driving device 6 can drive the powder box 4 to move forward to above the forming hole 21 of the mother mold, so that the powder is filled into the forming hole 21 of the mother mold through the powder box 4. During the process of moving forward of the powder box 4 driven by the powder box push-pull driving device 6, the powder box panel 5 also moves forward. The supporting rolling element 7 can realize rolling contact with the bottom of the powder box panel 5, and plays a supporting role. The rear end of the powder box panel 5 can block and close the bottom opening of the powder box 3.

[0033] In summary, the powder feeding and filling of the powder box are driven by the powder box push-pull driving device, which can reduce the vibration generated during the powder feeding and filling of the powder feeding barrel, the powder feeding pipe and the powder box, so that the powder filling is more uniform and stable, and the product pressing precision is improved.

[0034] The above embodiment is a preferred embodiment of the present application, but the embodiment of the present application is not limited by the above embodiment. Any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the present application should be an equivalent replacement method, and all are included in the protection scope of the present application.

Claims

1. A novel powder feeding mechanism that provides uniform and stable powder feeding, characterized in that: The device includes a powder feeding hopper, a powder feeding pipe, a powder box, a material box, a material box panel, a material box push-pull drive device, supporting rolling elements, a mounting bracket, powder box pressure blocks, screws, springs, and a mother panel. The material box is fixedly installed at the bottom front end of the material box panel. The material box panel is horizontally positioned, and the front end of the material box panel has powder discharge holes that connect to the inside of the powder box. The supporting rolling elements are installed at the bottom of the material box panel via the mounting bracket and roll in contact with the bottom of the material box panel. The powder box is installed at the top of the material box panel. The powder box inlet is connected to the outlet of the powder feeding hopper via the powder feeding pipe. The powder box pressure blocks are installed on both sides of the powder box. The lower end of the screw passes longitudinally through the through holes of the two powder box pressure blocks and is fixedly connected to the mother panel. The spring is fitted on each screw and is located between the screw head and the powder box pressure block. The material box push-pull drive device is connected to the material box drive and can drive the material box to slide back and forth relative to the powder box on the mother panel.

2. The novel powder feeding mechanism for uniform and stable powder feeding according to claim 1, characterized in that: The supporting rolling element is configured as a bearing or a roller.

3. The novel powder feeding mechanism for uniform and stable powder feeding according to claim 1, characterized in that: The material box push-pull drive device includes a material box push-pull drive motor, a reducer, a swing arm, and a push-pull frame. The material box push-pull drive motor is connected to the lower end of the swing arm through the reducer. The upper end of the swing arm is rotatably connected to one end of the push-pull frame. The other end of the push-pull frame is rotatably connected to the ear buckle posts installed on both sides of the material box.

4. The novel powder feeding mechanism for uniform and stable powder feeding according to claim 3, characterized in that: The push-pull frame is provided with a downward driving device and a bow-pressing ear buckle on both sides. The downward driving device includes a downward cylinder and a downward fork block. The output shaft of the downward cylinder is connected to the downward fork block. The lower end slot of the downward fork block is engaged with the bow-pressing ear buckle. The downward fork block and the bow-pressing ear buckle are rotatably connected.

5. The novel powder feeding mechanism for uniform and stable powder feeding according to claim 1, characterized in that: The powder box has a transparent plastic plate at the front end.

6. The novel powder feeding mechanism for uniform and stable powder feeding according to claim 1, characterized in that: The powder feeding hopper is provided with symmetrically arranged hanging posts on both sides, and the hanging posts are respectively engaged in the slots of the hopper brackets located on both sides of the powder feeding hopper.

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