CN217512851U

CN217512851U - Structure is changed to polymorphic type compression leg of powder cold pressing forming machine

Info

Publication number: CN217512851U
Application number: CN202220739928.1U
Authority: CN
Inventors: 袁小华
Original assignee: Zhangzhou Kaihua Machinery Co ltd
Current assignee: Zhangzhou Kaihua Machinery Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-09-30
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a multi-type compression leg replacing structure of a powder cold pressing forming machine, belonging to the technical field of powder forming; the device comprises a sliding base, wherein a lower mounting ring is arranged on the upper side of the sliding base, two telescopic rod assemblies are arranged on the upper side of the lower mounting ring, an upper mounting plate is arranged at the tops of the two telescopic rod assemblies, a fixing sleeve is arranged on the lower side of the upper mounting plate, and a horizontal central bevel gear is arranged at the bottom end of the fixing sleeve; a central hole is formed in the upper mounting plate, a stepping motor is arranged on the upper side of the upper mounting plate, an output shaft of the stepping motor penetrates through the central hole, a supporting plate is arranged at the bottom end of the output shaft of the stepping motor, and an adjusting groove is formed in the supporting plate; all be equipped with the lead screw in the adjustment tank, the one end of lead screw all is fixed and is equipped with the planet bevel gear with central bevel gear vertical toothing, and the outside of lead screw all is equipped with assorted nut seat with it, and the downside of every nut seat all is equipped with the connecting rod, and the connecting rod bottom all is connected with the clamp splice. The utility model has the advantages of the change of compression leg is with the installation more high-efficient and be suitable for multiple type compression leg.

Description

Structure is changed to polymorphic type compression leg of powder cold pressing forming machine

Technical Field

The utility model relates to a powder forming technical field especially relates to a structure is changed to polymorphic type compression leg of powder cold pressing forming machine.

Background

Powder forming is an important process in metallurgical or pharmaceutical technology and has irreplaceable effects in many cases. For example, a common powder tablet press, which belongs to one of the molding equipments, often uses compressed medicine, catalyst, sugar tablet, calcium tablet and powder metallurgy, which can compress tablets engraved with trademark or simple characters. The compression column on the tablet press needs to be replaced and installed after long-time use or when the model needs to be changed.

In the existing equipment, because the compression leg is made of alloy material, when a single person replaces the compression leg, the compression leg is lifted by a certain height by means of a hoist crane equipment, the bottom end of the compression leg is aligned to a compression leg connecting hole, and then the compression leg is screwed and installed by using a handle carried by the compression leg. Such mounting is not only inefficient, but also the types of press studs that can be mounted are limited to those with a handle or mounting flange at the top, the mounting weight or diameter is limited, and the range of applications is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem mentioned in the background art, provide a structure is changed to polymorphic type compression leg of powder cold pressing forming machine, this structure utensil can improve compression leg installation effectiveness and application scope wide advantage.

In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:

a multi-type compression leg replacing structure of a powder cold pressing forming machine comprises a sliding base fixedly arranged above a top plate of the pressing machine, wherein a lower mounting ring is horizontally and rotatably arranged on the upper side of the sliding base, two opposite telescopic rod assemblies are arranged on the upper side of the lower mounting ring, an upper mounting plate is fixedly arranged at the tops of the two telescopic rod assemblies, a fixing sleeve is arranged on the lower side of the upper mounting plate, and a horizontal central bevel gear is arranged at the bottom end of the fixing sleeve;

a central hole which is vertical and penetrates through the fixed sleeve and the central bevel gear is formed in the upper mounting plate, a stepping motor is arranged on the upper side of the upper mounting plate, an output shaft of the stepping motor penetrates through the central hole, a supporting plate is arranged at the bottom end of the output shaft, and a plurality of adjusting grooves are uniformly formed in the upper side of the supporting plate along the circumferential direction at equal angles; every all be equipped with the lead screw in the adjustment tank, every the one end of lead screw all is fixed and is equipped with the planet bevel gear with central bevel gear vertical toothing, every the outside of lead screw all is equipped with assorted nut seat with it, every the downside of nut seat all is equipped with the connecting rod, every the bottom of adjustment tank all is equipped with an adjusting hole, every the connecting rod all passes corresponding adjusting hole and its bottom all is connected with the clamp splice.

In order to further improve the technical scheme, the following measures are also taken:

preferably, the top of each of the two telescopic rod assemblies is provided with a retaining shoulder, the upper mounting plate is clamped on the upper sides of the two retaining shoulders, fastening grooves are formed in the upper sides of the upper mounting plate opposite to the two retaining shoulders, each fastening groove is internally provided with a fastening bolt screwed on the outer side of the corresponding telescopic rod assembly, and the upper mounting plate is fixedly connected to the top of each of the two telescopic rod assemblies through the fastening bolts.

Preferably, the upper side of the upper mounting plate is provided with an upper mounting groove communicated with the central hole, the stepping motor is mounted in the upper mounting groove through a roller bearing, and the roller bearing is a tapered roller bearing capable of bearing a certain axial load.

Preferably, the adjusting grooves are equally divided into three groups along the circumferential direction of the supporting disc, the upper surface and the lower surface of each adjusting groove are smooth surfaces, and the upper end and the lower end of each nut seat can be attached to the upper surface and the lower surface of the corresponding adjusting groove and can slide back and forth along the surface of the nut seat; the left side and the right side of each adjusting groove are provided with a strip-shaped limiting hole, and the two sides of each nut seat are provided with T-shaped limiting blocks which extend out of the strip-shaped limiting holes and can slide in the holes.

Preferably, a connecting seat is further arranged below the sliding base, and the connecting seat is fixedly arranged above a top plate of the press through a bolt; the upside of sliding base is equipped with annular spout, the sub-unit connection of collar is inside annular spout down, just the lower part swing joint a plurality of ball of collar down, the tank bottom of annular spout be equipped with ball assorted ball groove.

Preferably, a positioning guide assembly is further arranged between the lower sides of the two telescopic rod assemblies and comprises a positioning plate fixedly sleeved between the lower sides of the two telescopic rod assemblies, a guide hole is formed in the positioning plate, a connecting guide sleeve is installed in the guide hole, and the connecting guide sleeve and a compression leg connecting hole in a top plate of the press are arranged on the same center line.

Preferably, the connecting guide sleeves are processed into a plurality of groups according to the inner diameter, and the connecting guide sleeves are provided with guide oblique angles.

Preferably, the bottom ends of the two telescopic rod assemblies are sleeved with the supporting sleeves, and the positioning plate penetrates through the two telescopic rod assemblies and is fixedly placed on the upper sides of the supporting sleeves.

The utility model has the advantages of it is following:

1. the structure can realize the adjustable interval of the clamping blocks in a certain range through the matching of the stepping motor, the bevel gear, the screw rod and the nut seat, thereby clamping compression columns with different diameters, wherein the clamped part can be in various shapes, so that the installation of the compression columns does not need to depend on structures such as connecting flanges or hand wheels, the application range is enlarged, and the installation efficiency of the compression columns is improved.

2. This structure is through setting up the locating plate in telescopic link subassembly bottom, and the guiding hole of locating plate is inside to set up the connection guide pin bushing, aligns through the lower extreme and the connecting hole of connecting the guide pin bushing guide compression leg to transfer the compression leg through the telescopic link, accomplish the compression leg through rotatory mounting ring down and close to install in the compression leg connecting hole soon, make the installation accurate, stable and reliable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic sectional structure of the present invention;

fig. 4 is a partially enlarged schematic view at a in fig. 3.

The label names in the figure: the device comprises a press top plate 1, a sliding base 2, an annular sliding groove 201, a ball 202, a connecting seat 3, a lower mounting ring 4, a telescopic rod assembly 5, an upper mounting plate 6, a stepping motor 7, a roller bearing 71, a fixing sleeve 8, a central bevel gear 81, a central hole 82, a supporting plate 9, an adjusting groove 10, a limiting hole 101, a T-shaped limiting block 102, a screw rod 11, a nut seat 12, a planetary bevel gear 13, an adjusting hole 14, a connecting rod 15, a clamping block 16, a compression column 17, a supporting sleeve 18, a positioning plate 19, a guide hole 20, a connecting guide sleeve 21, a fastening groove 22, a fastening bolt 23 and a compression column connecting hole 24.

Detailed Description

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is to be understood that the described embodiments are merely illustrative of some, but not all embodiments of the invention.

Referring to fig. 1-4, the multi-type compression leg replacing structure of the powder cold pressing forming machine of the present embodiment includes a sliding base 2 fixedly disposed above a top plate 1 of a pressing machine, a lower mounting ring 4 is disposed on an upper side of the sliding base 2 in a horizontally rotatable manner, two opposite telescopic rod assemblies 5 are disposed on an upper side of the lower mounting ring 4, an upper mounting plate 6 is fixedly disposed on top portions of the two telescopic rod assemblies 5, a fixing sleeve 8 is disposed on a lower side of the upper mounting plate 6, and a horizontal central bevel gear 81 is disposed at a bottom end of the fixing sleeve 8; go up and be equipped with a vertical and centre bore 82 that runs through fixed sleeve 8 and central bevel gear 81 in the mounting panel 6, it is equipped with step motor 7 to go up the 6 upside of mounting panel, step motor 7's output shaft passes centre bore 82 and its bottom is equipped with supporting disk 9, the upside of supporting disk 9 is along the equidistance of circumferencial direction isogonism and be equipped with a plurality of adjustment tank 10, all be equipped with lead screw 11 in every adjustment tank 10, the one end of every lead screw 11 is all fixed be equipped with central bevel gear 81 perpendicular meshed's planetary bevel gear 13, the outside of lead screw 11 all is equipped with assorted nut seat 12 with it, the downside of nut seat 12 all is equipped with connecting rod 15, the bottom of every adjustment tank 10 all is equipped with an adjusting hole 14, connecting rod 15 all passes corresponding adjusting hole 14 and its bottom all is connected with clamp splice 16.

In the embodiment, the stepping motor 7 drives the supporting plate 9 to rotate, so that the plurality of planetary bevel gears 13 make planetary motion around the central bevel gear 81, the planetary bevel gears 13 can drive the screw rods 11 to rotate, the nut seats 12 and the connecting rods 15 drive the corresponding clamping blocks 16 to move back and forth, and the plurality of clamping blocks 16 clamp and fix the compression columns 17; according to the difference of the diameter of the compression column 17, the clamping block 16 can be moved to the corresponding position, and the clamping position of the clamping block 16 can adopt a V-shaped clamping opening, so that the device can be suitable for clamping multiple-diameter compression columns.

Referring to fig. 3, the top of the telescopic rod assembly 5 is provided with a shoulder, the upper mounting plate 6 is clamped on the upper sides of the two shoulders, the upper mounting plate 6 and the two upper sides opposite to the shoulders are provided with fastening grooves 22, each fastening groove 22 is internally provided with a fastening bolt 23 screwed on the outer side of the corresponding telescopic rod assembly 5, and the upper mounting plate 6 is fixedly connected to the top of the two telescopic rod assemblies 5 through the fastening bolt 23.

Specifically, the upper side of the upper mounting plate 6 is provided with an upper mounting groove communicated with the central hole 82, the stepping motor 7 is mounted in the upper mounting groove through a roller bearing 71, and the roller bearing 71 is a tapered roller bearing capable of bearing a certain axial load.

Specifically, the adjusting grooves 10 are equally divided into three groups along the supporting disc 9 at equal angles, the upper surface and the lower surface of each adjusting groove 10 are smooth surfaces, and the upper end and the lower end of each nut seat 12 can be attached to the upper surface and the lower surface of the corresponding adjusting groove 10 and can slide back and forth along the surfaces of the adjusting grooves; the left and right sides of every regulating groove 10 all is equipped with the spacing hole of bar 101, and the both sides of every nut seat 12 all are equipped with and stretch out the spacing hole of bar 101 and can be at the gliding T type stopper 102 of downthehole, through the cooperation of T type stopper 102 and spacing hole 101 for the removal of nut seat 12 is more steady.

In the embodiment, a connecting seat 3 is further arranged below the sliding base 2, and the connecting seat 3 is fixedly installed above the top plate 1 of the press through bolts; the upper side of the sliding base 2 is provided with an annular sliding chute 201, the lower part of the lower mounting ring 4 is connected inside the annular sliding chute 201, the lower part of the lower mounting ring 4 is movably connected with a plurality of balls 202, and the bottom of the annular sliding chute 201 is provided with a ball groove matched with the balls 202; through the cooperation of ball 202 and ball groove for the relative rotation between lower collar 4 and sliding base 2 is more laborsaving, can effectively improve compression leg change and installation effectiveness.

Referring to fig. 2-3, a positioning guide assembly is further arranged between the lower sides of the two telescopic rod assemblies 5, the positioning guide assembly comprises a positioning plate 19 fixedly sleeved between the lower sides of the two telescopic rod assemblies 5, a guide hole 20 is formed in the positioning plate 19, a connecting guide sleeve 21 is installed in the guide hole 20, and the connecting guide sleeve 21 and a compression leg connecting hole 24 in the top plate 1 of the press are arranged on the same center line so as to ensure the coaxiality of the compression legs 17 during installation.

In this embodiment, the connection guide sleeves 21 are processed into a plurality of groups according to the inner diameter, and the connection guide sleeves 21 are provided with guide oblique angles, so that the compression columns 17 can be more conveniently installed.

Specifically, the bottom of two telescopic link subassembly 5 all has cup jointed and has supported cover 18, and locating plate 19 passes two telescopic link subassembly 5 and fixes placing in the upside that supports cover 18, through the cooperation of location direction subassembly with upper portion clamp splice 16 for the mounted position of compression leg is more accurate, can improve the installation effectiveness.

The utility model discloses a use as follows:

firstly, a compression leg 17 passes through a connecting guide sleeve 21, and the lower end of the compression leg is aligned with a compression leg connecting hole 24 above a top plate 1 of a press; then, the stepping motor 7 is started, and the nut seat 12 is driven to move by driving the meshing between the central bevel gear 81 and the planetary bevel gear 13, so as to adjust the distance between the clamping blocks 16; again, the press stud 17 is slowly clamped, in the process of which the press stud 17 is kept in the vertical position at all times.

Furthermore, the telescopic rod assembly 5 is started and the compression leg 17 is lowered, while the whole lower mounting ring 4 is rotated, the compression leg 17 is rotated and gradually screwed into the compression leg connecting hole 24, and the installation of the compression leg as a whole is gradually completed.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.

Claims

1. A multi-type compression leg replacing structure of a powder cold pressing forming machine comprises a sliding base (2) fixedly arranged above a top plate of the pressing machine, and is characterized in that a lower mounting ring (4) is horizontally and rotatably arranged on the upper side of the sliding base (2), two opposite telescopic rod assemblies (5) are arranged on the upper side of the lower mounting ring (4), an upper mounting plate (6) is fixedly arranged at the tops of the two telescopic rod assemblies (5), a fixing sleeve (8) is arranged on the lower side of the upper mounting plate (6), and a horizontal central bevel gear (81) is arranged at the bottom end of the fixing sleeve (8);

a central hole (82) which is vertical and penetrates through the fixing sleeve (8) and the central bevel gear (81) is formed in the upper mounting plate (6), a stepping motor (7) is arranged on the upper side of the upper mounting plate (6), an output shaft of the stepping motor (7) penetrates through the central hole (82), a supporting plate (9) is arranged at the bottom end of the output shaft, and a plurality of adjusting grooves (10) are uniformly formed in the upper side of the supporting plate (9) along the circumferential direction at equal angles; the adjustable screw driver is characterized in that a screw rod (11) is arranged in each adjusting groove (10), one end of each screw rod (11) is fixedly provided with a planetary bevel gear (13) vertically meshed with a central bevel gear (81), the outer side of each screw rod (11) is provided with a nut seat (12) matched with the screw rod, the lower side of each nut seat (12) is provided with a connecting rod (15), the bottom of each adjusting groove (10) is provided with an adjusting hole (14), each connecting rod (15) penetrates through the corresponding adjusting hole (14), and the bottom end of each connecting rod is connected with a clamping block (16).

2. The multi-type pressing column replacing structure of the powder cold pressing forming machine according to claim 1, wherein: two the top of telescopic link subassembly (5) all is equipped with keeps off the shoulder, go up mounting panel (6) and clamp in two upside that keep off the shoulder, and go up mounting panel (6) and two upside that keep off the shoulder relative all set up fastening groove (22), every all be equipped with fastening bolt (23) that fit soon in corresponding telescopic link subassembly (5) pole outside in fastening groove (22), through fastening bolt (23) will go up mounting panel (6) fixed connection in the top of two telescopic link subassemblies (5).

3. The multi-type pressing column replacing structure of the powder cold pressing forming machine according to claim 2, wherein: the upside of going up mounting panel (6) is equipped with the last mounting groove that is linked together with centre bore (82), step motor (7) are installed in last mounting groove through roller bearing (71), the tapered roller bearing that can bear certain axial load is adopted to the model of roller bearing (71).

4. The multi-type pressing column replacing structure of the powder cold pressing forming machine according to claim 3, wherein: the adjusting grooves (10) are arranged in three groups at equal angles along the circumferential direction of the supporting disc (9), the upper surface and the lower surface of each adjusting groove (10) are smooth surfaces, and the upper end and the lower end of each nut seat (12) can be attached to the upper surface and the lower surface of the corresponding adjusting groove (10) and can slide back and forth along the surfaces of the adjusting grooves; the left side and the right side of each adjusting groove (10) are respectively provided with a strip-shaped limiting hole (101), and the two sides of each nut seat (12) are respectively provided with a T-shaped limiting block (102) which extends out of the strip-shaped limiting holes (101) and can slide in the holes.

5. The multi-type press column replacing structure of the powder cold press molding machine according to any one of claims 1 to 4, wherein: a connecting seat (3) is further arranged below the sliding base (2), and the connecting seat (3) is fixedly arranged above the top plate (1) of the press through bolts; the upside of sliding base (2) is equipped with annular spout (201), the sub-unit connection of collar (4) is inside annular spout (201) down, just a plurality of ball (202) of lower part swing joint of collar (4) down, the tank bottom of annular spout (201) is equipped with the ball groove with ball (202) assorted.

6. The multi-type pressing column replacing structure of the powder cold pressing forming machine according to claim 5, wherein: two still be equipped with location direction subassembly between the downside of flexible pole subassembly (5), location direction subassembly is including cup jointing locating plate (19) that are fixed in between two flexible pole subassembly (5) downside, be equipped with guiding hole (20) on locating plate (19), erection joint guide pin bushing (21) in guiding hole (20), it sets up with the central line to connect guide pin bushing (21) and compression leg connecting hole (24) on press roof (1).

7. The multi-type pressing column replacing structure of the powder cold pressing forming machine as claimed in claim 6, wherein: the connecting guide sleeves (21) are processed into a plurality of groups according to the inner diameter, and the connecting guide sleeves (21) are provided with guide oblique angles.

8. The multi-type pressing column replacing structure of the powder cold press molding machine as claimed in claim 7, wherein: the bottom ends of the two telescopic rod assemblies (5) are sleeved with support sleeves (18), and the positioning plate (19) penetrates through the two telescopic rod assemblies (5) to be fixedly placed on the upper sides of the support sleeves (18).