CN212194354U

CN212194354U - Forming device of powder forming machine

Info

Publication number: CN212194354U
Application number: CN201821537684.9U
Authority: CN
Inventors: 呼如亮
Original assignee: Ningxia Xinboning Precision Machinery Co ltd
Current assignee: Ningxia Xinboning Precision Machinery Co ltd
Priority date: 2018-09-20
Filing date: 2018-09-20
Publication date: 2020-12-22
Anticipated expiration: 2028-09-20

Abstract

The utility model belongs to the technical field of the contour machining equipment, a forming device of powder forming machine is related to. The device comprises a main shaft, an eccentric wheel, a lower die shaft, a demoulding plate, a jacking mechanism, a belt pulley and a frame, wherein the jacking mechanism comprises a cam, a push rod and a cylinder, the cam is fixedly sleeved on the main shaft, one end of the push rod is connected with a plunger of the cylinder, the other end of the push rod is positioned under the cam and movably connected with the cam in a pressing mode, the eccentric wheel, the cam and the belt pulley are fixedly sleeved on the main shaft, the lower die shaft is fixedly arranged at the far end of the eccentric wheel, and the jacking mechanisms are divided into two groups and symmetrically distributed on two sides of the eccentric wheel. Utilize this device, through the coaxial setting that sets up roof pressure mechanism and cam and eccentric wheel for when the suppression product, the cylinder plays the pressurize effect, improves the stability of suppression, reduces the loss in the pressing process, promotes powder forming machine's quality and performance, reduces powder forming machine's cost.

Description

Forming device of powder forming machine

Technical Field

The utility model belongs to the technical field of the contour machining equipment, a forming device of powder forming machine is related to.

Background

In recent years, in the field of full-automatic powder forming machines, not only imported products occupy high-end markets for a long time, but also competition of a large number of low-price products which are continuously produced and manufactured by domestic enterprises makes the competition of the full-automatic powder forming machines increasingly severe. The imported powder forming machine is positioned in the market with high quality, high performance and high price, and mainly meets the requirements of a small number of customers in the domestic market, and the domestic powder forming machine is still used by most of the customers in the domestic market. At present, the quality and performance of domestic powder forming machines are different, and the price is greatly different, but the domestic powder forming machines with lower requirements on quality and performance still have huge market living space due to larger market capacity. Specifically, the lower die mechanism of the existing full-automatic powder forming machine is only of a single cam push rod structure, so that the forming working state is unstable and discontinuous; meanwhile, in the motion process of the cam, the energy of the lower die rod pressed by each angle is not fixed, so that the loss and instability of the machine in the full-mechanical motion process are easily caused, and the stability of a final product cannot be ensured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a forming device of powder forming machine increases the stability of product pressing process, improves powder forming machine's quality and performance.

The utility model provides a technical scheme of above-mentioned technical problem does:

a forming device of a powder forming machine comprises a main shaft, an eccentric wheel, a lower punch shaft, a demoulding plate, a jacking mechanism, a belt pulley and a frame; the eccentric wheel is fixedly sleeved on the main shaft, the lower die shaft is fixedly arranged at the far end of the eccentric wheel, and the demoulding shaft is fixedly arranged on the demoulding plate and is positioned right below the lower die shaft; the jacking mechanism comprises a cam, a push rod and a cylinder, the cam is fixedly sleeved on the main shaft, one end of the push rod is connected with a plunger of the cylinder, and the other end of the push rod is positioned right below the cam and movably pressed with the cam; the number of the jacking mechanisms is two, and the jacking mechanisms are symmetrically distributed on two sides of the eccentric wheel; the belt pulley is positioned on the outer side of one group of jacking mechanisms and fixedly sleeved on the main shaft; the main shaft passes through the bearing and wears to adorn in the upper end of frame, and cylinder fixed mounting is in the lower extreme of frame.

Preferably, the far end of the eccentric wheel and the far end of the cam are respectively positioned on the opposite sides of the main shaft, wherein the far end of the eccentric wheel refers to the position with the largest distance from the eccentric wheel shaft hole, and the far end of the cam refers to the position with the largest distance from the cam shaft hole; the far end of the eccentric wheel, the main shaft and the far end of the cam are positioned on the same plane; the stripper plate is horizontally arranged, and two ends of the stripper plate are respectively and fixedly connected with the plungers of the cylinders at two sides.

The forming device of the powder forming machine has the advantages that the eccentric wheel on the main shaft provides power for the lower punch shaft and drives the lower punch shaft to move downwards, so that the product pressing process is realized; the matching of the cams, the push rods and the cylinders in the two groups of symmetrically arranged jacking mechanisms and the coaxial arrangement of the cams and the eccentric wheels are utilized, so that the two cylinders are in an energy balance state in the process of pressing the product by the lower punching die, the pressure maintaining effect is further realized, and the stability of the product in the pressing process is improved; the demoulding plate is connected with the two cylinders, so that after the product is pressed, the demoulding shaft is driven by the cylinders to move downwards, and the smooth demoulding of the pressed product is realized; the forming device is suitable for various powder forming machines, can effectively improve the stability of pressed products and reduce the loss in the pressing process, further improves the quality and performance of the powder forming machine, reduces the cost of the powder forming machine, has more market competitiveness and occupies certain market space.

Drawings

Fig. 1 is a schematic structural diagram of the forming device of the powder forming machine of the present invention.

The codes in the figures are respectively: the device comprises a main shaft 1, an eccentric wheel 2, a lower die shaft 3, a demoulding shaft 4, a demoulding plate 5, a jacking mechanism 6, a cam 6-1, a push rod 6-2, a cylinder 6-3, a belt pulley 7 and a frame 8.

Detailed Description

As shown in fig. 1, a molding device of a powder molding machine comprises a main shaft 1, an eccentric wheel 2, a lower die shaft 3, a demolding shaft 4, a demolding plate 5, a jacking mechanism 6, a belt pulley 7 and a frame 8; the eccentric wheel 2 is fixedly sleeved on the main shaft 1, the lower die shaft 3 is fixedly arranged at the far end of the eccentric wheel 2, and the demoulding shaft 4 is fixedly arranged on the demoulding plate 5 and is positioned right below the lower die shaft 3; the jacking mechanism 6 comprises a cam 6-1, a push rod 6-2 and a cylinder 6-3, the cam 6-1 is fixedly sleeved on the main shaft 1, one end of the push rod 6-2 is connected with a plunger of the cylinder 6-3, and the other end is positioned right below the cam 6-1 and movably connected with the cam 6-1 in a pressing mode; the number of the jacking mechanisms 6 is two, and the jacking mechanisms are symmetrically distributed on two sides of the eccentric wheel 2, the stripper plate 5 is horizontally arranged, and two ends of the stripper plate are respectively and fixedly connected with the plungers of the cylinders 6-3 on two sides; the far end of the eccentric wheel 2 and the far end of the cam 6-1 are respectively positioned on the different sides of the main shaft 1, and the far end of the eccentric wheel 2, the main shaft 1 and the far end of the cam 6-1 are positioned on the same plane; the belt pulley 7 is positioned at the outer side of one group of the jacking mechanisms 6 and fixedly sleeved on the main shaft 1; the main shaft 1 is arranged at the upper end of the frame 8 in a penetrating way through a bearing, and the air cylinder 6-3 is fixedly arranged at the lower end of the frame 8.

The utility model discloses powder forming machine forming device's working process does, send into forming die through feeding mechanism powdery material, open the motor and drive belt pulley 7 and rotate, and then drive main shaft 1 rotatory, because eccentric wheel 2, cam 6-1 and belt pulley 7 coaxial setting and all fix cover on main shaft 1, therefore main shaft 1's rotation drives eccentric wheel 2's rotation, and then drives the lower die shaft 3 who installs in eccentric wheel 2 distal end and rotate, when rotating downwards to vertical direction along with lower die shaft 3, with the compaction of drawing of patterns axle 4, accomplish the suppression of product; at the same time, the cams 6-1 on both sides of the eccentric wheel 2 also rotate along with the rotation of the main shaft 1, since the distal end of the eccentric wheel 2 and the distal end of the cam 6-1 are respectively located on the opposite sides of the main shaft 1, and the far end of the eccentric wheel 2, the far end of the main shaft 1 and the far end of the cam 6-1 are positioned on the same plane, meanwhile, the lower die shaft 3 is mounted to the distal end of the eccentric 2, so that, when the lower die shaft 3 is rotated in a vertically upward direction, the distal end of the cam 6-1 is in a vertically downward state, the plunger of the cylinder 6-3 is compressed to the maximum extent through the push rod 6-2, so that the cylinder 6-3 achieves energy balance, when the lower punch shaft 3 rotates downwards to press a product, the air cylinder 6-3 which reaches the energy balance state is in a pressure maintaining state, so that the pressing stability of the product is improved; the demolding shaft 4 is fixedly arranged on the demolding plate 5, two ends of the demolding plate 5 are fixedly arranged on the plunger of the air cylinder 6-3, so that the demolding plate 5 and the demolding shaft 4 move along with the movement of the plunger, when the lower punching die shaft 3 rotates to be vertically upward, the plunger of the air cylinder 6-3 is in a maximum compression state, the demolding shaft 4 is driven to form maximum displacement in a vertical downward direction, a molded product is demolded through a mandrel in the demolding shaft 4, and the product is moved out and collected through a mechanical arm; with the continuous rotation of the main shaft 1, continuous circulation of powder pressing and taking out is realized.

The forming device of the powder forming machine of the utility model adds two groups of jacking mechanisms 6, in particular two groups of cams 6-1, push rods 6-2 and cylinders 6-3 under the existing working mode; the eccentric wheel 2 and the cam 6-1 are coaxially designed, so that in the pressing process, the eccentric wheel 2 provides motion energy for the lower punch shaft 3 to drive the lower punch shaft 3 to rotate, and meanwhile, the cam 6-1 is driven to rotate, the stability in the pressing process is enhanced through the pressure maintaining effect of the cylinder 6-3, the stability of a product is effectively improved, and the loss in the pressing process is reduced; the forming device is used for the powder forming machine, so that the quality, the performance and the market competitiveness of the machine can be effectively improved, the machine is in counter balance with an imported powder forming machine with high cost, and a certain market space is occupied.

Claims

1. A forming device of a powder forming machine is characterized by comprising a main shaft (1), an eccentric wheel (2), a lower die shaft (3), a demoulding shaft (4), a demoulding plate (5), a top pressing mechanism (6), a belt pulley (7) and a frame (8);

the eccentric wheel (2) is fixedly sleeved on the main shaft (1), the lower die shaft (3) is fixedly arranged at the far end of the eccentric wheel (2), and the demoulding shaft (4) is fixedly arranged on the demoulding plate (5) and is positioned right below the lower die shaft (3);

the jacking mechanism (6) comprises a cam (6-1), a push rod (6-2) and a cylinder (6-3), the cam (6-1) is fixedly sleeved on the main shaft (1), one end of the push rod (6-2) is connected with a plunger of the cylinder (6-3), and the other end of the push rod is positioned right below the cam (6-1) and movably connected with the cam (6-1) in a pressing mode;

the number of the top pressing mechanisms (6) is two, and the top pressing mechanisms are symmetrically distributed on two sides of the eccentric wheel (2);

the belt pulley (7) is positioned on the outer side of one group of jacking mechanisms (6) and fixedly sleeved on the main shaft (1);

the main shaft (1) is arranged at the upper end of the frame (8) in a penetrating mode through a bearing, and the air cylinder (6-3) is fixedly arranged at the lower end of the frame (8).

2. The molding apparatus of a powder molding machine according to claim 1, wherein the distal end of the eccentric wheel (2) and the distal end of the cam (6-1) are located on opposite sides of the main shaft (1), respectively.

3. The molding apparatus of a powder molding machine according to claim 2, wherein the distal end of the eccentric (2), the main shaft (1), and the distal end of the cam (6-1) are on the same plane.

4. The molding apparatus of a powder molding machine according to claim 1, wherein the stripper plate (5) is horizontally disposed and has both ends fixedly connected to the plungers of the cylinders (6-3) on both sides, respectively.