CN219503713U - Discharging device of powder metallurgy press forming machine - Google Patents

Abstract

The utility model discloses a discharging device of a powder metallurgy press forming machine, which comprises a workbench with a lower die in the middle and push blocks with sliding blocks at two sides of the bottom, wherein a guide rail is arranged on the workbench, a translation driving piece for driving the push blocks to reciprocate is arranged at the rear end of the workbench, a dust collection device and a lower sanding plate with a lifting driving piece arranged above the dust collection device are sequentially arranged in front and behind the front end of the workbench, the driving end of the lifting driving piece is connected with an upper sanding plate, the front end of the push block is provided with an automatic clamping mechanism in a forward extending manner, the front end of the automatic clamping mechanism is detachably provided with a bristle brush and a soft magnet, the bottom of the push block is detachably provided with a soft brush, the workbench is provided with a trough for recovering powder, the trough is positioned between the lower die and the lower sanding plate, a turnover plate is rotationally connected with a notch of the trough, one side of the trough is provided with a turnover driving piece for driving the turnover plate to turn towards the inside of the trough, an infrared receiver is arranged above the rear end of the turnover plate, and an infrared transmitter is arranged above the soft brush; the whole has the advantages of multifunction, good quality of the formed product and safety.

Description

Discharging device of powder metallurgy press forming machine

Technical Field

The utility model relates to the technical field of powder metallurgy, in particular to a discharging device of a powder metallurgy press forming machine.

Background

Powder metallurgy is a process technique for manufacturing metallic materials, composite materials, and various types of products by compression molding using metallic powder as a raw material. When metal powder carries out compression molding, need use powder metallurgy make-up machine, at present, traditional powder metallurgy make-up machine is after pressing the product, because there is not supporting discharge apparatus, need the manual work to take out the shaping product from the make-up machine, and there is the burr partial product bottom, and direct manual fetch is unsafe, has the problem that the security is poor and discharge efficiency is low.

At present, the structure of the discharging device of the existing powder metallurgy pressing forming machine is simple, for example, a gear pressing feeding integrated device with the patent number of CN205684708U, the discharging device 300 is composed of a guide plate, a discharging plate, a guide groove, a sliding block, a pushing block and a pushing telescopic cylinder, the pushing telescopic cylinder pushes the pushing block to reciprocate along the horizontal direction of the guide groove on the discharging plate so as to realize the effect of discharging the formed product, and the discharging device solves the problems of low safety and low discharging efficiency existing in the traditional manual discharging, but the following problems still exist in the feeding device: 1. only has the functions of pushing and discharging, and has single functionality; 2. the lack of a limiting structure for the molded product easily causes the deviation of the molded product due to the vibration of the compression molding machine, so that the problem of poor unloading quality of the molded product caused by damage of the molded product caused by collision friction between the molded product and the guide plate is very easy to occur; 3. because the molded product is in direct contact with the stripper plate, more redundant powder or burrs are adhered to the surface of the molded product, a large amount of powder or burrs can remain on the stripper plate in the process of unloading the molded product for many times, the problem that the follow-up molded product is damaged or the stripper plate is damaged is easily caused, and the powder flies, so that the molded product is unfavorable for the health of workers, and the problem that the unloading quality of the molded product is poor and the safety is poor is caused.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a discharging device of a powder metallurgy press forming machine, which has the advantages of multifunction, good quality of formed products and safety.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a discharge apparatus of powder metallurgy compacting machine, includes workstation and ejector pad, be equipped with the bed die in the middle of the workstation, the slider is all installed to ejector pad bottom both sides, installs a set of confession on the workstation the guide rail that the slider slided, the rear end of workstation is equipped with the drive the translation driving piece of ejector pad reciprocating motion, install dust extraction and lower sanding plate in proper order before the front end of workstation, the lift driving piece has been erect to lower sanding plate top, the drive end of lift driving piece is connected with the sanding plate, the front end of ejector pad extends forward and installs the automatic fixture who is used for pressing from both sides the shaping product, automatic fixture front end demountable installation has bristle brush and soft magnet, ejector pad bottom demountable installation has the soft brush that is used for clearing up unnecessary powder, the silo that is used for retrieving powder is seted up to the workstation, the silo is located between bed die and the lower sanding plate, the notch rotation of silo is connected with turns over the board, one side installs the drive the upset driving piece that turns over in the silo, the electric controller that is equipped with the infrared emission system is equipped with in the side of turning over board to erect the rear end of turning over the silo.

Further set up: the automatic clamping mechanism comprises clamping plates, a first telescopic cylinder and a mounting rod which are symmetrically arranged, wherein the cross sections of the mounting rods are T-shaped, the transverse ends of the mounting rods are detachably connected with the pushing blocks, and the first telescopic cylinder is detachably arranged outside the vertical ends of the mounting rods; the ejector rod of the first telescopic cylinder penetrates through the vertical end of the mounting rod and is connected with the clamping plate, an anti-slip cushion is mounted on the clamping plate, and the clamping plate is located between the lower die and the vertical end of the mounting rod.

Further set up: the distance between the bottom of the clamping plate and the upper end face of the workbench is between 2mm and 5mm, and the lower die is provided with a second telescopic cylinder for driving the molded product to rise to the level of the bottom of the molded product and the bottom of the clamping plate.

Further set up: a scraping plate is connected between vertical ends of the mounting rods in a sliding manner, the scraping plate is positioned between the soft brush and the clamping plate, a third telescopic cylinder for driving the scraping plate to move towards the direction close to the trough is mounted at the top end of the pushing block, a top rod of the third telescopic cylinder is connected with the top end of the scraping plate, a photoelectric switch is arranged on one side of a discharging edge of the front end of the workbench, and the photoelectric switch and the third telescopic cylinder are respectively electrically connected with an input end and an output end of the external control system; the minimum distance between the clamping plate and the soft brush is larger than the minimum distance between the turning plate and the discharging edge of the front end of the workbench and smaller than the maximum distance between the turning plate and the discharging edge of the front end of the workbench.

Further set up: the dust collection device comprises a first dust collector and a first suction pipe for sucking dust and burrs, one end of the first suction pipe is connected with the first dust collector, the other end of the first suction pipe faces to the discharging edge of the front end of the workbench, and the workbench is provided with a bracket for fixing the first suction pipe.

Further set up: the workbench is further provided with a second dust collector and a second suction pipe for sucking dust and burrs, one end of the second suction pipe is connected with the second dust collector, and the other end of the second suction pipe faces towards the joint of the lower sand grinding plate and the workbench.

Further set up: the utility model discloses a sand grinding device, including lower sand grinding plate, connecting plate, upper sand grinding plate, connecting plate and upper sand grinding plate, the both sides of lower sand grinding plate are connected with connecting portion, the workstation has been seted up the confession the heavy groove that connecting portion placed, connecting portion is equipped with first bolt, connecting portion with the workstation passes through first bolted connection, the drive end of lift driving piece is connected with the connecting plate, the connecting plate is equipped with the second bolt, go up sand grinding plate with pass through between the connecting plate second bolted connection.

Further set up: the lifting driving piece is a fourth telescopic cylinder, the workbench is provided with a support frame which is arranged in an inverted U shape, the fourth telescopic cylinder is detachably arranged at the transverse end of the support frame, and a push rod of the fourth telescopic cylinder is connected with the connecting plate.

Further setting; the overturning driving piece is a fifth telescopic cylinder, the bottom of the fifth telescopic cylinder is hinged to one side of the groove wall of the material groove, and the ejector rod of the fifth telescopic cylinder is hinged to the bottom of the turning plate.

In summary, the automatic clamping mechanism clamps the molded product lifted above the lower die, so that the function of clamping and limiting the molded product is realized, and the function of automatic discharging is realized through the sliding block, the guide rail, the translation driving piece and the pushing block; in the unloading process, the dust brush and the soft magnet are used for cleaning dust or residual powder on a workbench in front of a formed product and adsorbing burrs on the workbench, so that the function of primarily and automatically cleaning the powder and the burrs on the workbench is realized; the function of automatically collecting redundant powder is realized through the soft brush, the infrared receiver, the infrared emitter, the trough, the turning plate and the turning driving piece; the upper grinding plate, the lower grinding plate and the lifting driving piece are used for removing redundant burrs on the top end face and the bottom end face of the molded product, so that the function of automatically cleaning the molded product is realized; the dust collection device is used for collecting powder and dust cleaned by the molded product and the bristle brush, so that the function of automatically collecting redundant powder and dust on the workbench is realized;

the utility model integrates the functions of automatic discharging, automatic workbench cleaning, automatic limiting, automatic molded product burr removing and automatic excessive powder and burr collecting, avoids damage caused by collision friction between molded products and guide rails, and simultaneously avoids influence on the discharging quality of molded products and the health of workers caused by a large amount of powder or burrs remaining on the workbench.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a partial block diagram of an embodiment of the present utility model;

FIG. 3 is a partial cross-sectional view of an embodiment of the present utility model;

fig. 4 is a schematic structural view of an opened state of a flap according to an embodiment of the present utility model;

FIG. 5 is a top view of an embodiment of the present utility model;

fig. 6 is a schematic view of a part of the structure of the automatic clamping mechanism and the pushing block according to the embodiment of the utility model.

In the figure: 1. a work table; 2. a pushing block; 3. a lower die; 4. a slide block; 5. a guide rail; 6. a translation driving member; 7. a lower sanding plate; 8. a lifting driving member; 9. a sanding plate is arranged; 10. an automatic clamping mechanism; 11. a bristle brush; 12. a soft magnet; 13. a dust collection device; 14. a soft brush; 15. a trough; 16. turning plate; 17. a flip drive; 18. an infrared receiver; 19. an infrared emitter; 20. a clamping plate; 21. a first telescopic cylinder; 22. a mounting rod; 23. an anti-slip soft pad; 24. the second telescopic cylinder; 25. an optoelectronic switch; 26. a scraper; 27. a third telescopic cylinder; 28. a first dust collector; 29. a first straw; 30. a bracket; 31. a second dust collector; 32. a second straw; 33. a connecting plate; 34. a connection part; 35. sinking grooves; 36. a first bolt; 37. a second bolt; 38. and (5) supporting frames.

Detailed Description

In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings. It should be noted that the words "upper", "lower", "front" and "rear" used in the following description refer to directions in fig. 1, and the words "bottom" and "top" refer to directions toward the geometric center of a specific part in fig. 1, and the unloading direction of a molded product is the same as the direction from "rear" to "front".

The most critical concept of the utility model is as follows: the function of clamping and limiting the formed product is realized through the automatic clamping mechanism 10, and the function of automatic discharging is realized through the sliding block 4, the guide rail 5, the translation driving piece 6 and the pushing block 2; the bristle brush 11 and the soft magnet 12 are used for cleaning dust or residual powder on the workbench 1 in front of the molded product and adsorbing burrs on the workbench 1, so that the function of primarily and automatically cleaning the powder and the burrs on the workbench 1 is realized; the function of automatically collecting excessive powder is realized through the soft brush 14, the infrared receiver 18, the infrared emitter 19, the trough 15, the turning plate 16 and the turning driving piece 17; the upper grinding plate 9, the lower grinding plate 7 and the lifting driving piece 8 are used for removing redundant burrs on the top end face and the bottom end face of the molded product, so that the function of automatically cleaning the molded product is realized; the function of automatically collecting redundant powder and dust on the workbench 1 is realized through the dust collection device 13;

the utility model integrates the functions of automatic discharging, automatic cleaning of the workbench 1, automatic limiting, automatic removal of burrs of the molded product and automatic collection of redundant powder and burrs, has high degree of automation, avoids damage caused by collision friction between the offset of the molded product and the guide rail 5, ensures the quality of the molded product and the health of workers, simultaneously avoids influencing the discharging quality of the molded product due to the fact that a large amount of powder or burrs remain on the workbench 1, further ensures the quality of the molded product, and has the advantages of multifunction, good quality of the molded product and safety.

Referring to fig. 1 to 6, a discharging device of a powder metallurgy press forming machine comprises a workbench 1 and a push block 2, a lower die 3 is arranged in the middle of the workbench 1, sliders 4 are arranged on two sides of the bottom of the push block 2, a group of soft brushes 14 for cleaning redundant powder are arranged on the bottom of the push block 2, a translation driving member 6 for driving the push block 2 to reciprocate is arranged at the rear end of the workbench 1, a dust collection device 13 and the lower grinding plate 7 are sequentially arranged in front and back of the front end of the workbench 1, a lifting driving member 8 is arranged above the lower grinding plate 7, the driving end of the lifting driving member 8 is connected with an upper grinding plate 9, an automatic clamping mechanism 10 for clamping formed products is arranged at the front end of the push block 2 in a forward extending manner, a bristle brush 11 and a soft magnet 12 are detachably arranged at the front end of the automatic clamping mechanism 10, a soft brush 14 for cleaning redundant powder is detachably arranged at the bottom of the push block 2, a trough 15 for recovering powder is arranged between the lower die 3 and the lower grinding plate 7, a notch of the 15 is rotationally connected with a 16, a turnover plate 16 is arranged at one side of the trough 15, a turnover plate 16 is arranged towards the inner turnover plate 16, an infrared emission driving member 17 is arranged at one side of the trough 16, and an infrared emission controller is arranged at the rear end of the trough 14, and an infrared emission controller is connected with the turnover plate 14.

As can be seen from the above description, when the molded product needs to be unloaded, firstly, the molded product lifted above the lower die 3 is clamped by the automatic clamping mechanism 10, so as to realize the function of clamping and limiting the molded product, and avoid damage caused by collision friction between the offset of the molded product and the guide rail 5, thereby affecting the unloading quality of the molded product and playing a role in ensuring good quality of the molded product; then, the translation driving piece 6 is started through the sliding block 4, the guide rail 5, the translation driving piece 6 and the pushing piece 2, the translation driving piece 6 drives the pushing piece 2 to directionally move on the guide rail 5 towards the front end close to the workbench 1, and the pushing piece 2 drives the automatic clamping mechanism 10 and the formed product to directionally move together towards the front end close to the workbench 1, so that the automatic discharging function is realized; in the unloading process, the bristle brush 11 pushes dust on the workbench 1 or the powder remained before to the direction close to the front end of the workbench 1 along with the movement of the pushing block 2 through the bristle brush 11 and the soft magnet 12, and the soft magnet 12 adsorbs burrs on the workbench 1 to realize the function of primarily and automatically cleaning the dust and the burrs on the workbench 1; through the soft brush 14, along with the movement of the pushing block 2, the soft brush 14 pushes the redundant powder on the workbench 1 positioned behind the molded product towards the direction close to the trough 15, so that the function of automatically cleaning the powder on the workbench 1 for the second time is realized; through the infrared receiver 18, the infrared emitter 19, the trough 15, the turning plate 16 and the turning driving piece 17, when the soft brush 14 moves to a position close to the trough 15, the infrared receiver 18 receives infrared information of the infrared emitter 19, the infrared receiver 18 sends a signal to an external control system, the external control system controls the turning driving piece 17 to start, the turning driving piece 17 drives the turning plate 16 to turn towards the inside of the trough 15 and turn on, and powder scanned on the turning plate 16 falls into the trough 15 along with the powder, so that the function of automatically collecting excessive powder is realized;

when the molded product is pushed to a position close to the lower grinding plate 7, the upper grinding plate 9, the lower grinding plate 7 and the lifting driving piece 8 are used for starting, the lifting driving piece 8 drives the upper grinding plate 9 to descend to be flush with the top end surface of the molded product, when the molded product passes between the upper grinding plate 9 and the lower grinding plate 7, excessive burrs on the top end surface of the molded product slightly rub against the upper grinding plate 9, and the excessive burrs on the bottom end surface of the molded product slightly rub against the lower grinding plate 7, so that the excessive burrs of the molded product are removed, and the function of automatically cleaning the molded product is realized; after burrs of the molded product are cleaned, the lifting drive is reset, the cleaned molded product continuously moves towards the front end of the workbench 1, and powder and dust cleaned by the molded product and the bristle brush 11 are collected through the dust collection device 13, so that the function of automatically collecting redundant powder and dust on the workbench 1 is realized; the method has the advantages of avoiding influencing the unloading quality of the formed product and the health of workers due to the fact that a large amount of powder or burrs are remained on the unloading plate, and further ensuring the good quality of the formed product and improving the safety.

Further: the automatic clamping mechanism 10 comprises clamping plates 20, a first telescopic cylinder 21 and mounting rods 22 which are symmetrically arranged, wherein the cross sections of the mounting rods 22 are T-shaped, the transverse ends of the mounting rods 22 are detachably connected with the push blocks 2, and the first telescopic cylinder 21 is detachably arranged outside the vertical ends of the mounting rods 22; the ejector rod of the first telescopic cylinder 21 passes through the vertical end of the mounting rod 22 and is connected with the clamping plate 20, the clamping plate 20 is provided with an anti-slip cushion 23, and the clamping plate 20 is positioned between the lower die 3 and the vertical end of the mounting rod 22.

As can be seen from the above description, when the molded product needs to be unloaded, the first telescopic cylinder 21 is started, and the ejector rod of the first telescopic cylinder 21 is extended to drive the clamping plate 20 to move towards the direction close to the lower die 3 until the clamping plate 20 clamps the molded product, so as to realize the effect of clamping and limiting the molded product; by the anti-slip cushion 23, the friction between the molded product and the clamping plate 20 is increased, which plays a role of increasing the clamping force to the molded product.

Further: the distance between the bottom of the clamping plate 20 and the upper end surface of the workbench 1 is 2 mm-5 mm, and the lower die 3 is provided with a second telescopic cylinder 24 for driving the molded product to rise to the level of the bottom of the molded product and the bottom of the clamping plate 20.

As is clear from the above description, when the molded product in the lower mold 3 is lifted to a distance between the bottom of the molded product and the upper end surface of the table 1 by the second telescopic cylinder 24 of 2mm to 5mm, the molded product is prevented from directly contacting the table 1, so that friction between the molded product with burrs and the table 1 is damaged, and the quality of the molded product is further ensured.

Further: a scraping plate 26 is slidably connected between vertical ends of the mounting rods 22, the scraping plate 26 is positioned between the soft brush 14 and the clamping plate 20, a third telescopic cylinder 27 for driving the scraping plate 26 to move towards the direction close to the trough 15 is mounted at the top end of the pushing block 2, a top rod of the third telescopic cylinder 27 is connected with the top end of the scraping plate 26, a photoelectric switch 25 is arranged at one side of a discharging edge of the front end of the workbench 1, and the photoelectric switch 25 and the third telescopic cylinder 27 are respectively and electrically connected with an input end and an output end of an external control system; the minimum distance between the clamping plate 20 and the brush 14 is greater than the minimum distance between the flap 16 and the discharge edge of the front end of the table 1 and less than the maximum distance between the flap 16 and the discharge edge of the front end of the table 1.

It can be seen from the above description that, when the molded product is pushed to the discharge edge of the front end of the workbench 1 by sanding, the first telescopic cylinder 21 is about to shrink and reset, the photoelectric switch 25 sends a detected finished product signal to the external control system through the photoelectric switch 25, the third telescopic cylinder 27 and the scraping plate 26, the external control system controls the third telescopic cylinder 27 to start, the ejector rod of the third telescopic cylinder 27 shrinks, the scraping plate 26 is driven to push the burrs and missing powder remained by the molded product to the trough 15, the burrs are prevented from adhering to the soft brush 14, and the functions of automatically cleaning the workbench 1 and improving cleaning quality are achieved.

Further: the dust collection device 13 comprises a first dust collector 28 and a first suction pipe 29 for sucking dust and burrs, one end of the first suction pipe 29 is connected with the first dust collector 28, the other end of the first suction pipe 29 faces the discharging edge of the front end of the workbench 1, and the workbench 1 is provided with a bracket 30 for fixing the first suction pipe 29.

As is apparent from the above description, the powder and dust on the finished product after sanding, and the powder and dust cleaned by the bristle brush 11 are sucked into the first suction tube 29 through the bracket 30, the first suction tube 28 and the first suction tube 29, and the function of automatically collecting the excessive powder and dust on the front end of the table 1 is achieved.

Further: the workbench 1 is further provided with a second dust collector 31 and a second suction pipe 32 for sucking dust and burrs, one end of the second suction pipe 32 is connected with the second dust collector 31, and the other end of the second suction pipe 32 faces towards the joint of the lower sanding plate 7 and the workbench 1.

As is apparent from the above description, the powder on the lower sanding plate 7 and the powder on the table 1 at the rear end of the lower sanding plate 7 are sucked into the second dust collector 31 through the second suction pipe 32 by the second dust collector 31 and the second suction pipe 32, thereby realizing the function of automatically collecting the excessive powder further on the table 1.

Further: the both sides of lower dull polish board 7 are connected with connecting portion 34, and the heavy groove 35 that supplies connecting portion 34 to place is seted up to workstation 1, and connecting portion 34 are equipped with first bolt 36, and connecting portion 34 passes through first bolt 36 with workstation 1 to be connected, and the drive end of lift driving piece 8 is connected with connecting plate 33, and connecting plate 33 is equipped with second bolt 37, goes up and is connected through second bolt 37 between dull polish board 9 and the connecting plate 33.

As can be seen from the above description, when the lower sanding plate 7 needs to be replaced, the connection part 34 and the first bolt 36 only need to be unscrewed to replace the first bolt 36, so as to perform the function of detachably replacing the lower sanding plate 7; through the second bolt 37 and the connecting plate 33, when the upper sanding plate 9 needs to be replaced, only the second bolt 37 is unscrewed for replacement, and the upper sanding plate 9 can be detached for replacement; by providing the sinking groove 35, the movement of the molded product is prevented from being influenced by the protrusion of the connecting portion 34 and the first bolt 36, and the discharging efficiency is ensured.

Further: the lifting driving piece 8 is a fourth telescopic cylinder, the workbench 1 is provided with a support frame 38 which is arranged in an inverted U shape, the fourth telescopic cylinder is detachably arranged at the transverse end of the support frame 38, and a top rod of the fourth telescopic cylinder is connected with the connecting plate 33.

From the above description, when the molded product is pushed to a position close to the lower polishing plate 7 and the upper polishing plate 9 needs to be adjusted, the ejector rod of the fourth telescopic cylinder extends to drive the upper polishing plate 9 to descend to the bottom of the upper polishing plate 9 to be flush with the top end surface of the molded product, and after polishing of the molded product, the ejector rod of the fourth telescopic cylinder contracts to drive the upper polishing plate 9 to ascend and reset, so that the height-adjustable effect of the upper polishing plate 9 is realized.

Further: the overturning driving piece 17 is a fifth telescopic cylinder, the bottom of the fifth telescopic cylinder is hinged to one side of the groove wall of the groove 15, and the ejector rod of the fifth telescopic cylinder is hinged to the bottom of the turning plate 16.

From the above description, when the flap 16 needs to be opened, the ejector rod of the fifth telescopic cylinder contracts to drive the flap 16 to turn and open towards the trough 15, and when the soft brush 14 moves to the front end of the lower die 3, the ejector rod of the fifth telescopic cylinder stretches to drive the flap 16 to seal the trough 15 notch again, so as to realize the function of automatically opening and closing the flap 16.

Referring to fig. 1 to 6, the present utility model provides embodiments of:

the utility model provides a discharge apparatus of powder metallurgy briquetting machine, as shown in fig. 1 and 2, including workstation 1 and ejector pad 2, be equipped with bed die 3 in the middle of the workstation 1, slider 4 is all installed to ejector pad 2 bottom both sides, installs a set of guide rail 5 that supplies slider 4 to slide on the workstation 1, and the rear end of workstation 1 is equipped with the translation driving piece 6 that drives ejector pad 2 reciprocating motion, and the front end forward extension of ejector pad 2 is installed and is used for pressing from both sides the automatic fixture 10 of tight shaping product.

As shown in fig. 1 and 2, a dust collection device 13 and a lower grinding plate 7 are sequentially installed in front of and behind the front end of the workbench 1, a lifting driving piece 8 is erected above the lower grinding plate 7, the lifting driving piece 8 is a fourth telescopic cylinder, a supporting frame 38 which is arranged in an inverted U shape is installed on the workbench 1, the fourth telescopic cylinder is detachably installed at the transverse end of the supporting frame 38, and a top rod of the fourth telescopic cylinder is connected with a connecting plate 33;

as shown in fig. 2 and 4, the driving end of the lifting driving member 8 is connected with an upper grinding plate 9, two sides of a lower grinding plate 7 are connected with connecting portions 34, a sink 35 for placing the connecting portions 34 is formed in the workbench 1, the connecting portions 34 are provided with first bolts 36, the connecting portions 34 are connected with the workbench 1 through the first bolts 36, the driving end of the lifting driving member 8 is connected with a connecting plate 33, the connecting plate 33 is provided with second bolts 37, and the upper grinding plate 9 is connected with the connecting plate 33 through the second bolts 37.

As shown in fig. 2 and 3, the front end of the automatic clamping mechanism 10 is detachably provided with a bristle brush 11 and a soft magnet 12, the bottom of the push block 2 is detachably provided with a soft bristle brush 1 for cleaning excessive powder, the workbench 1 is provided with a trough 15 for recovering powder, the trough 15 is positioned between the lower die 3 and the lower grinding plate 7, a turnover plate 16 is rotationally connected with a notch of the trough 15, one side of the trough 15 is provided with a turnover driving piece 17 for driving the turnover plate 16 to turn inwards the trough 15, the turnover driving piece 17 is a fifth telescopic cylinder, the bottom of the fifth telescopic cylinder is hinged to one side of a trough wall of the trough 15, a push rod of the fifth telescopic cylinder is hinged to the bottom of the turnover plate 16, an infrared receiver 18 is erected above the rear end of the turnover plate 16, the infrared receiver 18 is electrically connected with an external control system (not shown in the figure and is the same as the whole), and an infrared emitter 19 is arranged above the soft bristle 14.

As shown in fig. 5 and 6, the automatic clamping mechanism 10 comprises a group of clamping plates 20, a first telescopic cylinder 21 and a mounting rod 22 which are symmetrically arranged, wherein the cross section of the group of mounting rods 22 is in a T shape, the transverse end of the mounting rod 22 is detachably connected with the push block 2, and the first telescopic cylinder 21 is detachably arranged outside the vertical end of the mounting rod 22; the ejector rod of the first telescopic cylinder 21 passes through the vertical end of the mounting rod 22 and is connected with the clamping plate 20, the clamping plate 20 is provided with an anti-slip cushion 23, and the clamping plate 20 is positioned between the lower die 3 and the vertical end of the mounting rod 22;

as shown in fig. 2 and 3, the distance between the bottom of the clamping plate 20 and the upper end surface of the workbench 1 is 2 mm-5 mm, the lower die 3 is provided with a second telescopic cylinder 24, and the second telescopic cylinder 24 drives the molded product to rise to the level of the bottom of the molded product and the bottom of the clamping plate 20; a scraping plate 26 is slidably connected between vertical ends of the mounting rods 22, the scraping plate 26 is positioned between the soft brush 14 and the clamping plate 20, a third telescopic cylinder 27 for driving the scraping plate 26 to move towards the direction close to the trough 15 is mounted at the top end of the pushing block 2, a top rod of the third telescopic cylinder 27 is connected with the top end of the scraping plate 26, a photoelectric switch 25 is arranged at one side of a discharging edge of the front end of the workbench 1, and the photoelectric switch 25 and the third telescopic cylinder 27 are respectively and electrically connected with an input end and an output end of an external control system; the minimum distance between the clamping plate 20 and the brush 14 is greater than the minimum distance between the flap 16 and the discharge edge of the front end of the table 1 and less than the maximum distance between the flap 16 and the discharge edge of the front end of the table 1.

As shown in fig. 4 and 5, the dust suction device 13 includes a first dust collector 28 and a first suction pipe 29 for sucking dust and burrs, one end of the first suction pipe 29 is connected with the first dust collector 28, the other end of the first suction pipe 29 faces the discharging edge of the front end of the workbench 1, and the workbench 1 is provided with a bracket 30 for fixing the first suction pipe 29; the workbench 1 is further provided with a second dust collector 31 and a second suction pipe 32 for sucking dust and burrs, one end of the second suction pipe 32 is connected with the second dust collector 31, and the other end of the second suction pipe 32 faces towards the joint of the lower sanding plate 7 and the workbench 1.

In conclusion, compared with the prior art, the utility model has the advantages of multifunction, good quality of the formed product and safety; the formed product lifted above the lower die 3 is clamped through the automatic clamping mechanism 10, so that the function of clamping and limiting the formed product is realized, and the function of automatic discharging is realized through the sliding block 4, the guide rail 5, the translation driving piece 6 and the pushing block 2; in the unloading process, the dust brush 11 and the soft magnet 12 are used for cleaning dust or residual powder on the workbench 1 in front of the molded product and adsorbing burrs on the workbench 1, so that the function of primarily and automatically cleaning the powder and burrs on the workbench 1 is realized; the powder remained on the workbench 1 behind the molded product is cleaned to the position of the material groove 15 through the soft brush 14, the infrared receiver 18, the infrared emitter 19, the material groove 15, the turning plate 16 and the turning driving piece 17, the turning driving piece 17 is started, the turning plate 16 is driven to turn and open towards the material groove 15 by the turning driving piece 17, and the powder on the turning plate 16 falls into the material groove 15, so that the function of automatically collecting the redundant powder is realized; the upper grinding plate 9, the lower grinding plate 7 and the lifting driving piece 8 are used for removing redundant burrs on the top end face and the bottom end face of the molded product, so that the function of automatically cleaning the molded product is realized; the dust collection device 13 is used for collecting the powder and dust cleaned by the molded product and the bristle brush 11, so that the function of automatically collecting the excessive powder and dust on the workbench 1 is realized.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (9)

1. The utility model provides a discharge apparatus of powder metallurgy compacting machine which characterized in that: including workstation and ejector pad, be equipped with the bed die in the middle of the workstation, the slider is all installed to ejector pad bottom both sides, installs a set of confession on the workstation the guide rail that the slider slided, the rear end of workstation is equipped with the drive the translation driving piece of ejector pad reciprocating motion, dust extraction and lower sanding plate have been installed in proper order before the front end of workstation, after, the lifting drive piece has been erect to lower sanding plate top, lifting drive piece's drive end is connected with the sanding plate, the front end of ejector pad extends forward and installs the automatic fixture who is used for pressing from both sides the shaping product, automatic fixture front end demountable installation has bristle brush and soft magnet, ejector pad bottom demountable installation has the bristle brush that is used for clearing up unnecessary powder, the silo that is used for retrieving powder is seted up to the workstation, the silo is located between bed die and the sanding plate down, the notch rotation of workstation is connected with turns over the board, silo one side installs the drive turn over the upset driving piece that turns over inwards, the rear end top of turning over board erects and is connected with the infrared receiver on the infrared emission silo.

2. The discharge apparatus of a powder metallurgy press forming machine according to claim 1, wherein: the automatic clamping mechanism comprises clamping plates, a first telescopic cylinder and a mounting rod which are symmetrically arranged, wherein the cross sections of the mounting rods are T-shaped, the transverse ends of the mounting rods are detachably connected with the pushing blocks, and the first telescopic cylinder is detachably arranged outside the vertical ends of the mounting rods; the ejector rod of the first telescopic cylinder penetrates through the vertical end of the mounting rod and is connected with the clamping plate, an anti-slip cushion is mounted on the clamping plate, and the clamping plate is located between the lower die and the vertical end of the mounting rod.

3. A discharge apparatus of a powder metallurgy press forming machine according to claim 2, wherein: the distance between the bottom of the clamping plate and the upper end face of the workbench is between 2mm and 5mm, and the lower die is provided with a second telescopic cylinder for driving the molded product to rise to the level of the bottom of the molded product and the bottom of the clamping plate.

4. A discharge apparatus of a powder metallurgy press forming machine according to claim 2, wherein: a scraping plate is connected between vertical ends of the mounting rods in a sliding manner, the scraping plate is positioned between the soft brush and the clamping plate, a third telescopic cylinder for driving the scraping plate to move towards the direction close to the trough is mounted at the top end of the pushing block, a top rod of the third telescopic cylinder is connected with the top end of the scraping plate, a photoelectric switch is arranged on one side of a discharging edge of the front end of the workbench, and the photoelectric switch and the third telescopic cylinder are respectively electrically connected with an input end and an output end of the external control system; the minimum distance between the clamping plate and the soft brush is larger than the minimum distance between the turning plate and the discharging edge of the front end of the workbench and smaller than the maximum distance between the turning plate and the discharging edge of the front end of the workbench.

5. The discharge apparatus of a powder metallurgy press forming machine according to claim 1, wherein: the dust collection device comprises a first dust collector and a first suction pipe for sucking dust and burrs, one end of the first suction pipe is connected with the first dust collector, the other end of the first suction pipe faces to the discharging edge of the front end of the workbench, and the workbench is provided with a bracket for fixing the first suction pipe.

6. The discharge apparatus of a powder metallurgy press forming machine according to claim 1, wherein: the workbench is further provided with a second dust collector and a second suction pipe for sucking dust and burrs, one end of the second suction pipe is connected with the second dust collector, and the other end of the second suction pipe faces towards the joint of the lower sand grinding plate and the workbench.

7. The discharge apparatus of a powder metallurgy press forming machine according to claim 1, wherein: the utility model discloses a sand grinding device, including lower sand grinding plate, connecting plate, upper sand grinding plate, connecting plate and upper sand grinding plate, the both sides of lower sand grinding plate are connected with connecting portion, the workstation has been seted up the confession the heavy groove that connecting portion placed, connecting portion is equipped with first bolt, connecting portion with the workstation passes through first bolted connection, the drive end of lift driving piece is connected with the connecting plate, the connecting plate is equipped with the second bolt, go up sand grinding plate with pass through between the connecting plate second bolted connection.

8. The discharge apparatus of a powder metallurgy press forming machine according to claim 7, wherein: the lifting driving piece is a fourth telescopic cylinder, the workbench is provided with a support frame which is arranged in an inverted U shape, the fourth telescopic cylinder is detachably arranged at the transverse end of the support frame, and a push rod of the fourth telescopic cylinder is connected with the connecting plate.

9. The discharge apparatus of a powder metallurgy press forming machine according to claim 1, wherein: the overturning driving piece is a fifth telescopic cylinder, the bottom of the fifth telescopic cylinder is hinged to one side of the groove wall of the material groove, and the ejector rod of the fifth telescopic cylinder is hinged to the bottom of the turning plate.