CN205464338U - Pulverulent product finishing machine die carrier plug adjusting device - Google Patents

Abstract

The utility model relates to a mold base mandrel adjusting device for a finishing machine of powder products. The upper punch fixed plate is installed with the mold ejection adjustment rod fixedly connected with the upper punch fixed plate, and the mold ejection adjustment rod passes through the female template and the lower punch fixed plate arranged at the lower end of the upper punch fixed plate in turn; the lower punch fixed plate is provided with a lower fixed seat , the cavity for the mandrel to penetrate is opened in the female template, the lower punching fixing plate and the lower fixing seat; the lower end of the mandrel passes through the mandrel cylinder arranged in the lower fixing seat and is connected with the mandrel piston, and the lower surface of the mandrel piston Arresting is set on the adjusting screw rod which can move up and down; the position where the ejection adjustment rod is at the lower part of the lower punching fixed plate is provided with an adjustment block which can move up and down along the ejection adjustment rod. The working stroke of the mandrel of the utility model can be adjusted. When the product is demolded, the mandrel first comes out of the female mold together with the product, and the product expands without external force, and the binding force of the mandrel is reduced. The lower part of the inner hole of the product ensures that the mandrel is not easily damaged and prolongs the service life of the mandrel.

Description

Powder product finishing machine formwork mandrel adjustment device

technical field

The utility model relates to an important mechanism on a powder product finishing machine, that is, a powder product finishing machine formwork mandrel adjusting device used for finishing the powder product after sintering.

Background technique

According to the production process of powder products, powder products need to be sintered and finished before they can be used. The stroke of the mandrel used on the mold frame of the existing powder product finishing machine is fixed and cannot be adjusted. The mandrel is removed together with the product at one time. Mold, because the female mold, lower punch, and the product have been tightly held outside the mandrel after the product is finished, and the mandrel has to overcome a large binding force to get rid of the product when demoulding, so the mandrel is easy to wear and tear. ,damage.

Utility model content

Aiming at the above-mentioned defects, the utility model aims at providing a formwork mandrel adjusting device for a powder product finishing machine with an adjustable mandrel stroke.

For this reason, the technical solution adopted by the utility model is: the utility model includes an upper punch fixed plate (1), and the two opposite corners of the upper punch fixed plate (1) are installed and fixedly connected with the upper punch fixed plate (1). Rod (2), the mold ejection adjusting rod (2) passing through the female template (6) and the lower punch fixing plate (8) which are sequentially arranged at the lower end of the upper punch fixing plate (1);

The lower part of the lower punch fixing plate (8) is provided with a lower fixing seat (12), and a corresponding feeding mandrel (10) is provided in the female template (6), the lower punch fixing plate (8) and the lower fixing seat (12). ) into the cavity;

The lower end of the mandrel (10) passes through the mandrel cylinder (13) arranged in the lower fixing seat (12) and is connected with the mandrel piston (14). on the moving adjusting screw (15);

The position where the ejection adjustment rod (2) is located at the lower part of the lower punch fixing plate (8) is provided with an adjustment block (11) that can move up and down along the ejection adjustment rod (2).

The lower part of the upper punch fixing plate (1) is fixedly connected with the upper punch (3), and the upper punch (3) moves along with the upper punch fixing plate (1) and can enter the female template (6) to form a pair of products (4 ), the upper part of the lower punch fixing plate (8) is fixedly connected with the lower punch (5) corresponding to the upper punch (3).

The lower fixing seat (12) is provided with a pressure ring (9), and the lower punch fixing plate (8) can be set against the pressure ring (9) when it moves downward.

The lower end of the lower fixing seat (12) is fixed with a cover that forms a sealing fit with the mandrel cylinder (13), and the cover is provided with an adjustment seat (16) outside the adjustment screw (15). ), the threaded connection between the adjusting screw (15) and the adjusting pad (16) forms the up and down movement of the adjusting screw (15).

The mandrel (10) passes through the mandrel piston (14) and passes out from its lower part, and the lower part of the adjusting screw (15) is set corresponding to the mandrel (10) to play a role in adjusting the mandrel (10). ) The limit nut (20) for the limit function.

The upper part of the mandrel cylinder (13) has a mandrel piston air inlet (17), and the lower part of the mandrel cylinder (13) has a mandrel piston exhaust port (18).

The adjustment process of the formwork mandrel adjustment device of the powder product finishing machine is carried out according to the following steps:

1) First, the upper punch fixed plate (1) drives the upper punch (3) fixed on the upper punch fixed plate (1) to move downward, and the upper punch (3) hits the product (4) and presses the product into the negative template ( 6) On the middle female mold cavity and mandrel, the product (4) drives the lower punch (5) fixedly connected to the lower punch fixing plate (8) to move downward;

2) When the upper punch (3) moves to the lowest point, the lower punch fixing plate (8) moves to the upper surface of the pressure ring (9) fixedly connected to the lower fixing seat (12), and the mandrel (10) passes through the core The rod piston (14) is compacted on the upper surface of the adjustment screw (15) that has adjusted the position of the mandrel (10), and the adjustment screw (15) is locked by the lock nut (19) after the position is adjusted;

3) Then the upper punch (5) moves upwards past the bottom dead center, and the upper punch fixing plate (1) drives the mold ejection adjustment lever (2) whose upper end is fixedly connected to the upper punch fixing plate (1) to move upward, and adjust the mold ejection The height adjustment gear (11) connected to the lower end of the ejection adjustment rod (2) moves upwards with the ejection adjustment rod (2), and touches the lower surface of the lower punch fixing plate (8), driving and fixedly connected to the lower punch The lower punch (5) on the plate (8) and the lower punch fixing plate (8) move upward together;

4) The lower punch (5) drives the product (4) and mandrel (10) to move upward together, and after the product (4) is pushed out of the female mold, the mandrel (10) is pulled out of the product through the mandrel piston (14) At the same time, the exhaust port of the mandrel cylinder is exhausted to complete the demoulding of the mandrel.

The utility model has the advantages that: the working stroke of the mandrel of the utility model can be adjusted and can move up and down. When the product is demolded, the mandrel first comes out of the female mold together with the product, and the product expands without external force, and the binding force of the mandrel It is greatly reduced, and the mandrel falls out of the inner hole of the product under the action of the mandrel cylinder force, which ensures that the mandrel is not easily damaged and prolongs the service life of the mandrel.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is an enlarged view of part I in Fig. 1 .

In the figure, 1 is the upper punch fixing plate, 2 is the mold ejection adjustment lever, 3 is the upper punch, 4 is the product, 5 is the lower punch, 6 is the female template, 7 is the lower guide column, 8 is the lower punch fixing plate, 9 is the Pressure ring, 10 is the mandrel, 11 is the adjustment gear, 12 is the lower fixing seat, 13 is the mandrel cylinder, 14 is the mandrel piston, 15 is the adjustment screw, 16 is the adjustment pad, 17 is the air inlet of the mandrel cylinder , 18 is the exhaust port of the mandrel cylinder, 19 is the lock nut, and 20 is the limit nut.

detailed description

The utility model comprises an upper punch fixed plate 1, the two opposite angles of the upper punch fixed plate 1 are installed with the mold ejection adjusting rod 2 fixedly connected with the upper punch fixed plate 1, and the mold ejection adjusting rod 2 passes through and is arranged on the The female template 6 and the lower punch fixing plate 8 at the lower end of the upper punch fixing plate 1;

The lower part of the lower punch fixing plate 8 is provided with a lower fixing seat 12, and the female template 6, the lower punch fixing plate 8 and the lower fixing seat 12 are provided with corresponding cavities for the mandrel 10 to penetrate;

The lower end of the mandrel 10 passes through the mandrel cylinder 13 arranged in the lower fixing seat 12 and is connected with the mandrel piston 14, and the lower surface of the mandrel piston 14 is set against the adjusting screw 15 which can move up and down;

The adjusting block 11 that can move up and down along the ejecting adjusting rod 2 is provided at the position where the ejecting adjusting rod 2 is located at the lower part of the lower punch fixing plate 8 .

The lower part of the upper punch fixing plate 1 is fixedly connected with the upper punch 3, and the upper punch 3 moves along with the upper punch fixing plate 1 and can enter the female template 6 to form the pressing of the product 4. The upper part of the lower punch fixing plate 8 A lower punch 5 corresponding to the upper punch 3 is fixedly connected.

The lower fixing seat 12 is provided with a pressure ring 9 , and the lower punch fixing plate 8 can abut against the pressure ring 9 when it moves downward.

The lower end of the lower fixing seat 12 is fixedly provided with a cover that forms a sealing fit with the mandrel cylinder 13, and the cover is provided with an adjustment cushion 16 outside the adjustment screw 15, and the adjustment screw 15 and The threaded connection between the adjustment pads 16 forms the up and down movement of the adjustment screw rod 15 .

The mandrel 10 passes through the mandrel piston 14 and passes out from the lower part thereof, and the lower part of the adjusting screw 15 is provided with a limit nut 20 corresponding to the mandrel 10 to limit the position of the mandrel 10 .

The mandrel cylinder 13 top has a mandrel piston air inlet 17, and the mandrel cylinder 13 bottom has a mandrel piston exhaust port 18.

The adjustment process of the formwork mandrel adjustment device of the powder product finishing machine is carried out according to the following steps:

1) Firstly, the upper punch fixed plate 1 drives the upper punch 3 fixedly connected to the upper punch fixed plate 1 to move downward, and the upper punch 3 hits the product 4 and presses the product into the female mold cavity and mandrel in the middle of the female template 6, and the finished product 4 drives the lower punch 5 fixedly connected to the lower punch fixing plate 8 to move downward;

2) When the upper punch 3 moves to the lowest point, the lower punch fixing plate 8 moves to the upper surface of the pressure ring 9 fixedly connected to the lower fixing seat 12, and the mandrel 10 is compacted by the mandrel piston 14 to adjust the mandrel On the upper surface of the adjusting screw rod 15 at position 10, after adjusting the position of the adjusting screw rod 15, it is locked by the locking nut 19;

3) Then the upper punch 5 moves upward through the bottom dead center, and the upper punch fixed plate 1 drives the ejection adjustment rod 2 whose upper end is fixedly connected to the upper punch fixed plate 1 to move upwards, and the ejection adjustment rod that is connected to the ejection adjustment rod to adjust the ejection height 2. The adjustment gear 11 at the lower end moves upward with the ejection adjustment rod 2, and touches the lower surface of the lower punch fixing plate 8, driving the lower punch 5 and the lower punch fixing plate 8, which are fixedly connected to the lower punch fixing plate 8, to move upward together ;

4) The lower punch 5 drives the product 4 and the mandrel 10 to move upward together, and after the product 4 is pushed out of the female mold, the mandrel 10 is pulled out of the inner hole of the product through the mandrel piston 14, and at the same time, the mandrel cylinder exhaust port is exhausted. , to complete the demoulding of the mandrel.

The upper punch fixing plate 1 of the utility model is connected to the upper sliding column of the machine, the upper ends of the two diagonally installed mold ejection adjustment rods 2 are fixedly connected to the upper punch fixing plate 1, and the lower ends pass through the female template 6 and the lower punch fixing plate 8 respectively. , the upper and lower punch fixed plates and the female formwork are connected as a whole, and the adjustment gear 11 for adjusting the height of the ejected mold is installed at the lower end of the ejection adjustment lever 2. The upper punch 3 is fixedly connected on the upper punch fixed plate 1. The female template 6 passes through the lower punch fixing plate 8 through four lower guide pillars 7 and is connected to the lower fixing seat 12, and the female template, the lower punch fixing plate, and the lower fixing seat are connected as a whole, and the lower fixing seat 12 is fixedly connected to the machine working on the countertop. The lower punch 5 is fixedly connected on the lower punch fixed plate 8, and the lower punch fixed plate 8 is seated on the pressure ring 9 fixedly connected to the lower fixed seat 12 during compaction. The mandrel adjustment mechanism is installed on the lower fixing seat 12, and the upper end of the mandrel 10 respectively passes through the mandrel cylinder 13, the mandrel piston 14, the lower punch fixing plate 8, and the lower punch 5 to be connected to the female template 6, and the lower end of the mandrel 10 is connected to the On the mandrel piston 14, the mandrel piston 14 is located on the adjusting screw rod 15 that has adjusted the position of the mandrel, and the adjusting pad 16 is fixedly connected to the bottom surface of the lower fixing seat 12. The upper external thread cooperates, and the adjustment screw rod 15 is locked by the lock nut 19 after adjusting the position. The mandrel cylinder 13 top has the mandrel piston air inlet 17, and the mandrel cylinder 13 bottom has the mandrel piston exhaust port 18.

Action process of the present utility model:

When the powder product finishing machine is working, the upper sliding column moves up and down under the action of the power source of the machine. When the upper sliding column moves downward, the upper punch 3 fixed on the upper punch fixing plate 1 is driven by the upper punch fixing plate 1 connected to the upper sliding column to move downward, and the upper punch 3 hits the product 4 and presses the product On the female mold cavity and mandrel in the middle of the female template 6, the product 4 drives the lower punch 5 fixedly connected to the lower punch fixing plate 8 to move downward. When the upper punch moves to the lowest point, the lower punch fixing plate 8 moves to the fixed connection. On the upper surface of the pressure ring 9 on the lower fixing seat 12, the mandrel 10 is pressed by the mandrel piston 14 on the upper surface of the adjusting screw 15 that has adjusted the position of the mandrel. 19 is locked, so that the product 4 is finished and pressed by the upper punch, the lower punch, the die and the mandrel. Then the upper punch passes the bottom dead center and moves upwards, and the upper punch fixed plate 1 drives the ejection adjustment rod 2 whose upper end is fixedly connected to the upper punch fixed plate 1 to move upwards, and adjusts the ejection height and is connected to the lower end of the ejection adjustment rod 2. The adjusting gear 11 moves upward along with the ejection adjusting rod 2, and touches the lower surface of the lower punch fixing plate 8, driving the lower punch 5 fixedly connected to the lower punch fixing plate 8 to move upward together with the lower punch fixing plate 8, and the lower punch 5 Drive the product 4 and the mandrel 10 to move upward together, and after the product 4 is pushed out of the female mold, the product 4 is released and expanded by external force. Because the air inlet 17 of the mandrel cylinder is always ventilated, the mandrel 10 is pulled out through the mandrel piston 14 The inner hole of the product, and at the same time, the exhaust port of the mandrel cylinder is exhausted, and the demoulding of the mandrel is completed. The lower end of the mandrel 10 is connected with a limit nut 20, and adjusting the position of the limit nut 20 can control the height of the mandrel floating up with the lower punch 5.

Claims (3)

1. finishing machine for powder products mould frame core rod adjusting means, it is characterised in that include upper punch fixed plate (1), described upper punch is solid Determining plate (1) two diagonal angle and install the depanning adjusting rod (2) being connected with upper punch fixed plate (1), described depanning adjusting rod (2) is through successively It is arranged on negative template (6) and the undershoot fixed plate (8) of described upper punch fixed plate (1) lower end；

Described undershoot fixed plate (8) bottom arranges lower fixed seat (12), described negative template (6), undershoot fixed plate (8) and lower fixing The cavity penetrated for plug (10) of correspondence is offered in seat (12)；

Described plug (10) lower end connects through the plug cylinder (13) being arranged in lower fixed seat (12) and with plug piston (14) Connecing, described plug piston (14) lower surface supports and is located on adjustment screw rod (15) moving up and down；

The position that described depanning adjusting rod (2) is in undershoot fixed plate (8) bottom is provided with and can move up and down along depanning adjusting rod (2) Regulating block (11)；

Described lower fixed seat (12) lower end is installed with to be formed with described plug cylinder (13) and seals the capping coordinated, in described capping It is provided with the adjustment base (16) being in described adjustment screw rod (15) outside, between described adjustment screw rod (15) and adjustment base (16) The threaded up and down motion forming adjustment screw rod (15)；

Described plug (10) through described plug piston (14) and passes from its underpart, and described adjustment screw rod (15) bottom sets and institute That states plug (10) correspondence plays the stop nut (20) to plug (10) limit function；

Described plug cylinder (13) top has plug piston intake mouth (17), plug cylinder (13) bottom to have plug piston air vent (18).

Finishing machine for powder products mould frame core rod adjusting means the most according to claim 1, it is characterised in that described upper punch is solid Determining plate (1) bottom and be fixed with upper punch (3), described upper punch (3) is servo-actuated in company with upper punch fixed plate (1) and can enter in negative template (6) Forming the compacting to goods (4), described undershoot fixed plate (8) top is fixed with the undershoot (5) corresponding with described upper punch (3).

Finishing machine for powder products mould frame core rod adjusting means the most according to claim 1, it is characterised in that described lower fixing Seat (12) is provided with trim ring (9), can support setting to described trim ring (9) when described undershoot fixed plate (8) moves downward.