CN217819598U

CN217819598U - Preforming system appearance device

Info

Publication number: CN217819598U
Application number: CN202221284461.2U
Authority: CN
Inventors: 李博; 罗文�; 杨有泽; 曾翔
Original assignee: Henan Nuclear Industry Geology Bureau Henan Nuclear Industry Radionuclide Detection Center
Current assignee: Henan Nuclear Industry Geology Bureau Henan Nuclear Industry Radionuclide Detection Center
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-11-15
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses a tabletting and sample preparing device, which comprises a base; base: a lower pressing die is placed in a round hole arranged in the middle of the base, a limiting mechanism matched with the lower pressing die is arranged in a step hole arranged on the front side surface of the base, a force arm is arranged at the rear end of the upper surface of the base, a telescopic cylinder is installed at the upper end of the force arm, a pressing plate is arranged at the lower end of the telescopic cylinder, and an upper pressing die is installed on the lower surface of the pressing plate through a connecting assembly; wherein: the leading flank of base is equipped with the controller, and external power source is connected to the input electricity of controller, and telescopic cylinder's input electricity connection director's output, stop gear includes gag lever post, spring, swivel and regulation post, the gag lever post activity is pegged graft in the step hole that the base leading flank set up, and this preforming system appearance device makes things convenient for the installation of lower moulding-die and last moulding-die to be changed, can also regulate and control the maximum pressure that the raw materials received to avoid the raw materials suppression to lead to the product bad because pressure is too big.

Description

Preforming system appearance device

Technical Field

The utility model relates to a laboratory test check out test set technical field specifically is a preforming system appearance device.

Background

A laboratory hot press forming machine and a laboratory flat vulcanizing machine are mainly used for the sampling machine of polymer composite materials and the research of various hot press forming, such as: the research and development of ceramics, compounds, building materials, cosmetics, medicines, powder metals, printed circuit boards, rubber, silicone and other elastomers, thermoplastics, thermosetting plastics and other materials, and the pressing production can be carried out by a pressing and sampling machine, such as: credit cards, identity cards, various plates, printed circuit boards and the like, which are widely applied to geology, mines, research institutes and the like, can perform quality control and physical property tests on materials, such as: various mechanical property tests, thermal property tests, optical property tests, electrical property tests and the like, but some existing tabletting sampling machines are not convenient to install and replace an upper die and a lower die when in use, are inconvenient to control pressure when in pressing, easily cause the pressing of products to be poor, and are not convenient enough to use, so that the tabletting sampling device is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a preforming system appearance device, make things convenient for the installation of lower moulding-die and last moulding-die to change, can also regulate and control the maximum pressure that the raw materials received to avoid the raw materials suppression to lead to the product bad because pressure is too big, it is more convenient to use, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a tabletting sample preparation device comprises a base, wherein a through hole is formed in the base in the vertical direction, a supporting column which moves up and down along the through hole is arranged in the through hole, a lower pressing die is arranged at the top end of the supporting column, at least one raised limiting strip is arranged on the side surface of the supporting column in the axial direction, and a groove matched with the limiting strip is formed in the through hole; the bottom surface of the supporting column is an inclined plane, and the through hole is provided with a limiting mechanism which pushes the bottom surface of the supporting column to move upwards along the radial direction of the supporting column; the base is further provided with a force arm for supporting a telescopic cylinder, the extending direction of the telescopic cylinder is vertical downward, and an upper pressing die facing the lower pressing die is arranged at one end part of the extending direction of the telescopic cylinder; the base is further provided with a limiting pressing plate used for limiting the extending direction of the telescopic cylinder, and the limiting pressing plate is connected with the base through a guide rod.

Furthermore, the limiting mechanism comprises a limiting rod, a spring, a rotating ring and an adjusting column, the limiting rod is movably inserted into a step hole formed in the front side face of the base, the rear end of the limiting rod is a spherical head, an arc-shaped groove matched with the limiting rod is formed in the inclined plane of the lower end of the lower pressing die, the adjusting column is in threaded connection with the opening of the front side face of the step hole, the rotating ring is rotatably connected with the rear end head of the adjusting column, the spring is arranged between the rotating ring and the step face in the middle of the limiting rod, and the elastic pressure of the limiting rod can be adjusted.

Furthermore, the inside of the spherical head at the rear side of the limiting rod is rotatably connected with a roller, the outer side surface of the roller is in contact with the inner wall of the arc-shaped groove at the lower end of the lower pressing die, and the friction force between the limiting rod and the lower pressing die is reduced.

Furthermore, limiting strips are symmetrically arranged at the lower end of the outer arc surface of the lower pressing die in a bilateral mode, sliding grooves which are connected with the limiting strips in a sliding mode are symmetrically formed in the inner wall of the round hole in the middle of the base, and the radial position of the lower pressing die is limited.

Further, the round hole lower extreme threaded connection in base middle part has the erection column, and the upper surface of erection column is equipped with the contact switch who corresponds with the lower moulding-die, and contact switch's output electricity connection director's input avoids the raw materials suppression to lead to the product bad because pressure is too big.

Further, coupling assembling includes forked tail draw runner and fore-set, the forked tail draw runner vertically sets up in the lower surface middle part of clamp plate, goes up the upper surface middle part of moulding-die and is equipped with in forked tail draw runner sliding connection's forked tail spout, and the screw hole female connection that clamp plate lower surface right-hand member set up has the fore-set, and the right side of going up the moulding-die is equipped with in fore-set complex opening, the spacing installation of convenient last moulding-die.

Furthermore, the four corners of the upper surface of the base are uniformly provided with guide rods, and the four corners of the pressing plate are uniformly provided with through holes in sliding connection with the guide rods, so that the pressing plate is guided in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are that: this preforming system appearance device has following benefit:

1. the lower pressing die is placed in a round hole in the middle of the base, the limiting strip is made to slide into a sliding groove corresponding to the inner wall of the round hole, the inclined plane at the lower end of the lower pressing die is in contact with a roller at the rear end of the limiting rod at the moment, the limiting rod supports the lower pressing die, the rotating ring is driven to move backwards through the rotation adjusting column, the spring can be compressed, the elastic pressure of the limiting rod is conveniently adjusted, when the pressing pressure is too large, the pressure received by the lower pressing die is larger than the elastic force of the spring, the lower pressing die moves forwards, meanwhile, the limiting rod slides forwards along a step hole in the front side face of the base, the spring elastically deforms, when the lower pressing die moves downwards to be in contact with a contact switch at the upper end of the mounting column, the contact switch sends a signal to the controller, the controller controls the telescopic cylinder to stop working, and the phenomenon that the product is poor due to too large pressure in raw material pressing is avoided.

2. The dovetail sliding groove at the upper end of the upper pressing die slides backwards to a proper position along the dovetail sliding strip on the lower surface of the pressing plate, the transverse position of the upper pressing die is limited, then the ejection column on the right side of the lower end of the pressing plate is rotated, the ejection column moves leftwards and is inserted into the opening on the right side of the upper pressing die, the longitudinal position of the upper pressing die is limited, and the upper pressing die is convenient to install and replace.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the internal cross-sectional structure of the limiting mechanism of the present invention;

fig. 3 is a schematic view of a partial sectional structure of the connection assembly of the present invention.

In the figure: the device comprises a base 1, a limiting mechanism 2, a limiting rod 21, a roller 211, a spring 22, a rotating ring 23, an adjusting column 24, a lower pressing die 3, a limiting strip 31, a force arm 4, a telescopic cylinder 5, a pressing plate 6, a connecting assembly 7, a dovetail sliding strip 71, a top column 72, an upper pressing die 8, a guide rod 9, a controller 10, an installation column 11 and a contact switch 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment provides a technical solution: a tabletting and sample preparing device comprises a base 1;

base 1: a lower pressing die 3 is placed in a round hole arranged in the middle of the lower pressing die 3, limiting strips 31 are symmetrically arranged at the lower end of the outer cambered surface of the lower pressing die 3 in a bilateral mode, sliding chutes which are connected with the limiting strips 31 in a sliding mode are symmetrically arranged on the inner wall of the round hole in the middle of a base 1, a radial limiting effect is achieved on the lower pressing die 3, limiting mechanisms 2 which are matched with the lower pressing die 3 are arranged in step holes arranged in the front side surface of the base 1, a force arm 4 is arranged at the rear end of the upper surface of the base 1, a telescopic cylinder 5 is installed at the upper end of the force arm 4, a pressing plate 6 is arranged at the lower end of the telescopic cylinder 5, guide rods 9 are evenly arranged at four corners of the upper surface of the base 1, through holes which are connected with the guide rods 9 in a sliding mode are evenly arranged at the four corners of the pressing plate 6, an upper pressing die 8 is installed on the lower surface of the pressing plate 6 through a connecting assembly 7, a raw material to be pressed is placed at the upper end of the lower pressing die 3, and a controller 10 controls the telescopic cylinder 5 at the upper end of the force arm 4 to work, the pressing plate 6 is driven to slide downwards along the guide rod 9, the upper pressing die 8 moves downwards to be matched with the lower pressing die 3 to press raw materials, the connecting assembly 7 comprises a dovetail slide bar 71 and a top post 72, the dovetail slide bar 71 is longitudinally arranged in the middle of the lower surface of the pressing plate 6, a dovetail chute in sliding connection with the dovetail slide bar 71 is arranged in the middle of the upper surface of the upper pressing die 8, a threaded hole in the right end of the lower surface of the pressing plate 6 is in threaded connection with the top post 72, an opening matched with the top post 72 is formed in the right side of the upper pressing die 8, the dovetail chute in the upper end of the upper pressing die 8 slides backwards to a proper position along the dovetail slide bar 71 in the lower surface of the pressing plate 6 to limit the transverse position of the upper pressing die 8, then the top post 72 on the right side of the lower end of the pressing plate 6 is rotated, the top post 72 moves leftwards and is inserted into the opening in the right side of the upper pressing die 8 to limit the longitudinal position of the upper pressing die 8, the upper pressing die 8 is convenient to install and replace, the limiting mechanism 2 comprises a limiting rod 21, a spring 22, a rotating ring 23 and an adjusting column 24, the limiting rod 21 is movably inserted in a step hole arranged on the front side surface of the base 1, the rear end of the limiting rod 21 is a spherical head, an arc-shaped groove matched with the limiting rod 21 is arranged on the inclined surface at the lower end of the lower pressing die 3, the adjusting column 24 is in threaded connection with the opening of the front side surface of the step hole, the rotating ring 23 is rotatably connected with the rear end head of the adjusting column 24, the spring 22 is arranged between the rotating ring 23 and the step surface at the middle part of the limiting rod 21, the lower pressing die 3 is placed in a round hole in the middle part of the base 1, so that the limiting strip 31 slides into a sliding groove corresponding to the inner wall of the round hole, the inclined surface at the lower end of the lower pressing die 3 is in contact with a roller 211 at the rear end of the limiting rod 21, the limiting rod 21 plays a supporting role in supporting the lower pressing die 3, the inner part of the spherical head at the rear side of the limiting rod 21 is rotatably connected with a roller 211, the outer side surface of the roller 211 is in contact with the inner wall of an arc-shaped groove at the lower end of the lower pressing die 3, the lower end of a round hole in the middle of the base 1 is in threaded connection with the mounting column 11, the upper surface of the mounting column 11 is provided with a contact switch 12 corresponding to the lower pressing die 3, when the pressing pressure is too large, the pressure applied to the lower pressing die 3 is greater than the elastic force of a spring 22, the lower pressing die 3 moves forwards, meanwhile, the limiting rod 21 slides forwards along a stepped hole in the front side surface of the base 1, the spring 22 generates elastic deformation, when the lower pressing die 3 moves downwards to be in contact with the contact switch 12 at the upper end of the mounting column 11, the contact switch 12 sends a signal, the telescopic cylinder 5 stops working, the problem that the pressing sheet fails due to the too large pressure in the raw material pressing process is avoided, the rotating ring 23 is driven to move backwards by rotating the adjusting column 24, the spring 22 can be compressed, the elastic pressure of the limiting rod 21 is convenient to adjust, and the use is more convenient;

wherein: the front side surface of the base 1 is provided with a controller 10, and the controller is any one or any combination of the prior art which realizes the control function such as a PLC, a singlechip or a microcomputer, a control circuit and the like; the input end of the controller 10 is electrically connected with an external power supply, the input end of the telescopic cylinder 5 is electrically connected with the output end of the controller 10, and the output end of the contact switch 12 is electrically connected with the input end of the controller 10, so that the normal operation of the circuit is ensured.

The utility model provides a pair of preforming system appearance device's theory of operation as follows: the lower pressing die 3 is placed in a round hole in the middle of the base 1, the limiting strip 31 slides into a sliding groove corresponding to the inner wall of the round hole, the inclined plane at the lower end of the lower pressing die 3 is contacted with the roller 211 at the rear end of the limiting rod 21, the limiting rod 21 plays a supporting role for the lower pressing die 3, the dovetail sliding groove at the upper end of the upper pressing die 8 slides backwards to a proper position along the dovetail sliding strip 71 at the lower surface of the pressing plate 6 to limit the transverse position of the upper pressing die 8, then the top pillar 72 at the right side of the lower end of the pressing plate 6 is rotated, the top pillar 72 moves leftwards and is inserted into the opening at the right side of the upper pressing die 8 to limit the longitudinal position of the upper pressing die 8, the installation and replacement of the upper pressing die 8 are convenient, then the raw material to be pressed is placed at the upper end of the lower pressing die 3, and the controller 10 controls the telescopic cylinder 5 at the upper end of the force arm 4 to work, drive clamp plate 6 and slide down along guide bar 9, go up moulding-die 8 simultaneously and move down and suppress the raw materials with the cooperation of moulding-die 3 down, when the suppression pressure is too big, the pressure that moulding-die 3 received is greater than the elasticity of spring 22 down, moulding-die 3 is to removing down, gag lever post 21 slides forward along the step hole of base 1 leading flank simultaneously, spring 22 takes place elastic deformation, when moulding-die 3 moves down to contact with contact switch 12 of erection column 11 upper end, contact switch 12 signals to controller 10, controller 10 control telescoping cylinder 5 stop work, avoid the raw materials suppression to lead to the product badly because pressure is too big, drive swivel 23 backward movement through rotating adjusting the post 24, can compress spring 22, conveniently adjust the elastic pressure of gag lever post 21, it is more convenient to use.

It is to be noted that the telescopic cylinder 5 and the contact switch 12 disclosed in the above embodiments can be freely configured according to actual application scenarios, the telescopic cylinder 5 is suggested to be a YK-series telescopic cylinder, the contact switch 12 is suggested to be a PS50-30DN contact switch, the core chip inside the controller 10 is suggested to be an AT 90-series single chip microcomputer, and the controller 10 controls the telescopic cylinder 5 and the contact switch 12 to work by a method commonly used in the prior art.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a preforming system appearance device which characterized in that: the die comprises a base (1), wherein a through hole is formed in the base (1) in the vertical direction, a supporting column which moves up and down along the through hole is arranged in the through hole, a lower pressing die (3) is arranged at the top end of the supporting column, at least one raised limiting strip is arranged on the side surface of the supporting column in the axial direction, and a groove matched with the limiting strip is formed in the through hole; the bottom surface of the supporting column is an inclined plane, and the through hole is provided with a limiting mechanism (2) which pushes the bottom surface of the supporting column to move upwards along the radial direction of the supporting column; the base (1) is further provided with a force arm (4) for supporting a telescopic cylinder (5), the extending direction of the telescopic cylinder (5) is vertical downward, and an upper pressing die (8) facing the lower pressing die (3) is arranged at one end part of the extending direction of the telescopic cylinder (5); the base (1) is further provided with a pressing plate (6) used for limiting the extending direction of the telescopic cylinder (5), and the pressing plate (6) is connected with the base (1) through a guide rod.

2. A tabletting sample preparation device according to claim 1, wherein: stop gear (2) include gag lever post (21), spring (22), change (23) and adjust post (24), gag lever post (21) activity is pegged graft in the step hole that base (1) leading flank set up, and the one end that is close to the support column of gag lever post (21) is the ball-type head, is equipped with on the inclined plane of lower moulding-die (3) lower extreme with gag lever post (21) complex arc wall, and the leading flank of step hole division threaded connection has adjust post (24), and the back side end head of adjusting post (24) rotates and is connected with change (23), is provided with spring (22) between the step face at change (23) and gag lever post (21) middle part.

3. A tabletting and sample preparation device according to claim 2, wherein: the inside of a spherical head at the rear side of the limiting rod (21) is rotatably connected with a roller (211), and the outer side surface of the roller (211) is in contact with the inner wall of an arc-shaped groove at the lower end of the lower pressing die (3).

4. A tabletting sample preparation device according to claim 1, wherein: limiting strips (31) are symmetrically arranged at the left and right sides of the lower end of the outer arc surface of the lower pressing die (3), and sliding grooves which are connected with the limiting strips (31) in a sliding mode are symmetrically arranged on the inner wall of a circular hole in the middle of the base (1).

5. A tabletting and sample preparation device according to claim 1, wherein: the lower end of the round hole in the middle of the base (1) is connected with a mounting column (11) in a threaded manner, a contact switch (12) corresponding to the lower pressing die (3) is arranged on the upper surface of the mounting column (11), and the output end of the contact switch (12) is electrically connected with the input end of the controller (10).

6. A tabletting sample preparation device according to claim 1, wherein: the lower surface of clamp plate (6) pass through coupling assembling (7) with go up moulding-die (8) and connect, coupling assembling (7) include forked tail draw runner (71) and fore-set (72), forked tail draw runner (71) vertically set up in the lower surface middle part of clamp plate (6), go up the upper surface middle part of moulding-die (8) and be equipped with in forked tail draw runner (71) sliding connection's forked tail spout, the screw hole female connection that clamp plate (6) lower surface right-hand member set up has fore-set (72), the right side of going up moulding-die (8) is equipped with in fore-set (72) complex opening.

7. A tabletting sample preparation device according to claim 1, wherein: the upper surface four corners of base (1) evenly are provided with guide bar (9), and the four corners of clamp plate (6) evenly is provided with in guide bar (9) sliding connection's through-hole.