CN107363444B

CN107363444B - Pressure regulating mechanism of micro-pressure regulating device

Info

Publication number: CN107363444B
Application number: CN201710701306.3A
Authority: CN
Inventors: 闵继江; 张晋; 耿玉新
Original assignee: Changzhou Mingseal Robotic Technology Co Ltd
Current assignee: Changzhou Mingseal Robotic Technology Co Ltd
Priority date: 2017-08-16
Filing date: 2017-08-16
Publication date: 2023-06-23
Anticipated expiration: 2037-08-16
Also published as: CN107363444A

Abstract

The invention provides a pressure regulating mechanism of a micro pressure regulating device, comprising: a base; the force application rotating shaft is rotatably arranged on the base around the axis of the force application rotating shaft; the transmission seat is arranged on the force application rotating shaft and is driven by the force application rotating shaft to rotate around the axis of the force application rotating shaft, and the transmission seat is connected with an actuating mechanism of the micro-pressure adjusting device; one end of the force application piece is connected with the force application rotating shaft, and the other end of the force application piece can move to drive the force application rotating shaft to rotate; the elastic component is connected with the other end of the force application part, and the elasticity of the elastic component can be adjusted to adjust the force application force applied by the force application part to the force application rotating shaft. According to the pressure adjusting mechanism provided by the embodiment of the invention, the transmission seat is driven to rotate through the force application rotating shaft so as to apply original pressure to the pressure executing mechanism, and then the elastic component and the force application part are utilized to adjust the rotation amplitude of the force application rotating shaft so as to adjust the pressure, so that the adjustment is simpler and more convenient.

Description

Pressure regulating mechanism of micro-pressure regulating device

Technical Field

The invention relates to a pressure regulating device, in particular to a pressure regulating mechanism of a micro-pressure regulating device.

Background

The conventional micro-pressure adjusting device, such as a micro-pressure adjusting device for performing procedures such as welding and assembling on micro-integrated electronic components, adopts a torsion spring to realize continuous force application on a pressure actuating mechanism, so that when force application is required to be adjusted, the outer cover is required to be detached, and the adjusting method is complicated.

Disclosure of Invention

In view of the above, the present invention provides a pressure regulating mechanism of a micro pressure regulating device.

In order to solve the technical problems, the invention adopts the following technical scheme:

according to an embodiment of the present invention, a pressure adjusting mechanism of a micro pressure adjusting device includes:

a base;

the force application rotating shaft is rotatably arranged on the base around the axis of the force application rotating shaft;

the transmission seat is arranged on the force application rotating shaft and is driven by the force application rotating shaft to rotate around the axis of the force application rotating shaft, and the transmission seat is connected with an executing mechanism of the micro-pressure adjusting device;

one end of the force application piece is connected with the force application rotating shaft, and the other end of the force application piece can move to drive the force application rotating shaft to rotate;

the elastic component is connected with the other end of the force application part, and the elasticity of the elastic component can be adjusted to adjust the force application force applied by the force application part to the force application rotating shaft.

Further, the elastic assembly includes:

one end of the elastic piece is connected with the force application piece;

the other end of the force application adjusting block is movably connected with the base to adjust the output force value of the elastic piece.

Further, the base includes:

a side standing plate extending substantially in a vertical direction, the urging shaft being provided on the side standing plate, the urging member being formed substantially in a rod shape extending in a horizontal direction;

the bottom plate is arranged at the lower part of the side vertical plate and extends approximately along the horizontal direction, the elastic piece and the force application adjusting block extend approximately along the vertical direction respectively, the upper end of the elastic piece is connected with the force application piece, and the lower end of the force application adjusting block is movably connected with the bottom plate.

Further, the elastic assembly further includes:

the adjusting screw is arranged on the bottom plate, threads corresponding to the adjusting screw are arranged at the lower part of the force application adjusting block, and the force application adjusting block is in threaded connection with the adjusting screw so as to adjust the position of the force application adjusting block in the up-down direction.

Further, the elastic component is the extension spring, the extension spring includes:

a first shackle, the first shackle being coupled to the force application member;

the tension spring body is telescopic, and one end of the tension spring body is connected with the first shackle;

the second shackle is arranged at the other end of the tension spring body and is connected with one end of the force application adjusting block.

Further, the second shackle is perpendicular to the longitudinal cross-section of the first shackle.

Further, the pressure adjusting mechanism of the micro pressure adjusting device further includes:

the bearing seat is arranged on the base;

and the bearing is coaxial with the bearing seat and is rotatably arranged on the bearing seat around the axis of the bearing seat, and at least one part of the force application rotating shaft is arranged in the bearing so as to rotate around the axis of the bearing.

Further, the bearing housing includes:

the mounting base is provided with a mounting hole for being connected with the base;

the mounting boss is arranged on the mounting base, a central through hole penetrating along the axial direction of the mounting boss is defined in the mounting boss, and the bearing is rotatably arranged in the central through hole.

Further, the two axial ends of the installation boss are respectively provided with a first counter bore and a second counter bore.

Further, the force application rotating shaft includes:

the body is columnar, one end of the body is connected with the transmission seat, and the other end of the body is connected with the force application piece;

the limiting boss is arranged on the outer peripheral surface of the body and is formed into an annular shape extending along the circumferential direction of the body, and the limiting boss abuts against the bearing.

The technical scheme of the invention has the following beneficial effects:

according to the pressure regulating mechanism of the micro-pressure regulating device, the transmission seat is arranged on the force application rotating shaft and is driven by the force application rotating shaft to rotate around the axis of the force application rotating shaft, the transmission seat is connected with the actuating mechanism of the micro-pressure regulating device, and the elastic component and the force application piece are used for regulating the rotation amplitude of the force application rotating shaft so as to regulate the original pressure applied by the pressure regulating mechanism to the pressure actuating mechanism, so that the regulation is simpler and more convenient.

Drawings

FIG. 1 is a schematic view of a pressure regulating mechanism of a micro pressure regulating device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a side plate of a pressure regulating mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a force adjusting block of a pressure adjusting mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic view of a tension spring of a pressure adjusting mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic view of a bearing seat of a pressure adjusting mechanism according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a schematic view of a force-applying shaft of a pressure adjusting mechanism according to an embodiment of the present invention;

FIG. 8 is a schematic view of a micro-pressure adjusting device according to an embodiment of the present invention;

FIG. 9 is a schematic view of another construction of a micro-pressure adjusting device according to an embodiment of the present invention;

FIG. 10 is a schematic view of a micro-pressure adjusting device according to an embodiment of the present invention;

FIG. 11 is a schematic structural view of a force position adjusting mechanism of a micro-pressure adjusting device according to an embodiment of the present invention;

FIG. 12 is a schematic view of a structure of an adjusting lever of a force position adjusting mechanism according to an embodiment of the present invention;

FIG. 13 is a schematic diagram of a transmission seat of a micro-pressure adjusting device according to an embodiment of the present invention;

FIG. 14 is a schematic view of a stop nut of a force position adjustment mechanism according to an embodiment of the present invention;

FIG. 15 is a schematic view of the motor mounting plate of the force position adjustment mechanism according to the embodiment of the present invention;

FIG. 16 is a schematic diagram of a force-applying and force-measuring mechanism of a micro-pressure adjusting device according to an embodiment of the present invention;

FIG. 17 is a schematic view of a connection block of the force-applying force-measuring mechanism according to an embodiment of the present invention;

FIG. 18 is a schematic view of a force-transmitting lever of a force-applying force-measuring mechanism according to an embodiment of the present invention;

fig. 19 is a schematic structural view of a pivot shaft of a force-applying force-measuring mechanism according to an embodiment of the present invention.

Reference numerals:

a pressure adjustment mechanism 100;

a base 110; side uprights 111; a bottom plate 112; side riser mounting holes 113;

a force application rotating shaft 120; a body 121; a limit boss 122; a first threaded hole 123; a second threaded hole 124; a planar portion 125;

a transmission seat 130; an adjusting lever mounting hole 131; a force application shaft mounting hole 132;

a force application member 140;

an elastic member 150; an elastic member 151; a force application adjustment block 152; an adjusting screw 153; a second shackle 154; an adjustment block mounting hole 155; a threaded hole a156; a tension spring body 157; a first shackle 158;

a bearing housing 160; a mounting base 161; a central through hole 162; a mounting boss 163; a mounting hole 164; a first counterbore 165; a second counterbore 166;

a bearing 170;

a force-applying position adjusting mechanism 200;

an adjusting lever 210; a threaded section 211; an optical axis segment 212; an adjustment lever plane part 213;

a force application trolley 220;

adjusting the motor 230; a motor shaft 231;

a motor mounting plate 240; a center through hole B241;

a main transmission gear 250;

a driven transmission gear 260;

adjusting the bearing 270;

a stop nut 280; a central through hole a281; screw hole 282;

a force-applying force-measuring mechanism 300;

a fulcrum shaft 310; a rotation shaft body 311; a middle boss 312; a through hole 313;

a force transfer lever 320; an upper surface 321; a lower surface 322; a screw hole B323; an end connection hole 324;

a sensor 330;

a connection block 340; a connection block body 341; a link 342; a first mounting hole 343; a second mounting hole 344;

fulcrum shaft housing 350;

a fulcrum shaft bearing 360;

a pressure actuator 400;

micro-pressure regulating device 500.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.

In the description of the present invention, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The present invention is an invention created by the inventors of the present application based on the following facts.

Referring to the Chinese patent of patent number CN105562917A, the prior micro-pressure adjusting device adopts a torsion spring to adjust the initial pressure, the adjusting process is complicated, the operation is inconvenient, the installation space of a force application position adjusting mechanism is limited, the installation and the use are affected, the whole layout is to be improved, and the pressure value cannot be monitored in real time.

Based on the above problems existing in the prior art, the inventor of the present application first improves the pressure adjusting mechanism of the existing micro-pressure adjusting device, and proposes a pressure adjusting mechanism 100 of the micro-pressure adjusting device 500.

The pressure regulating mechanism 100 of the micro pressure regulating device 500 according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 7.

As shown in fig. 1, the pressure adjusting mechanism 100 of the micro pressure adjusting device 500 according to the embodiment of the invention includes a base 110, a force applying shaft 120, a transmission seat 130, a force applying member 140, and an elastic assembly 150.

Specifically, the force application rotating shaft 120 is rotatably disposed on the base 110 around an axis thereof, the transmission seat 130 is disposed on the force application rotating shaft 120 and is driven by the force application rotating shaft 120 to rotate around the axis of the force application rotating shaft 120, the transmission seat 130 is connected with an actuating mechanism of the micro-pressure adjusting device 500, one end of the force application member 140 is connected with the force application rotating shaft 120, the other end of the force application member 140 is movable to drive the force application rotating shaft 120 to rotate, the elastic component 150 is connected with the other end of the force application member 140, and the elasticity of the elastic component 150 can be adjusted to adjust the force applied by the force application member 140 to the force application rotating shaft 120.

In other words, the pressure adjusting mechanism 100 of the micro-pressure adjusting device 500 mainly comprises a base 110, a force applying shaft 120, a transmission seat 130, a force applying member 140 and an elastic assembly 150, wherein the force applying shaft 120 is rotatably arranged on the base 110 around an axis thereof, the transmission seat 130 is arranged on the force applying shaft 120 and is driven by the force applying shaft 120 to rotate around the axis of the force applying shaft 120, the transmission seat 130 is connected with an actuating mechanism of the micro-pressure adjusting device 500, one end of the force applying member 140 is connected with the force applying shaft 120, the other end of the force applying member 140 is movable to drive the force applying shaft 120 to rotate, the elastic assembly 150 is connected with the other end of the force applying member 140, and the elasticity of the elastic assembly 150 can adjust the force applied by the force applying member 140 to the force applying shaft 120. Specifically, the elastic assembly 150 adjusts the amount of pressure on the force transmission lever 320 by adjusting the force application member 140 and the force application shaft 120.

Therefore, according to the pressure adjusting mechanism 100 of the micro-pressure adjusting device 500 of the embodiment of the invention, the transmission seat 130 is arranged on the force application rotating shaft 120 and is driven by the force application rotating shaft 120 to rotate around the axis of the force application rotating shaft 120, the transmission seat 130 is connected with the actuating mechanism of the micro-pressure adjusting device 500, and the elastic component 150 and the force application member 140 are utilized to adjust the rotation amplitude of the force application rotating shaft 120 so as to adjust the original pressure applied by the pressure adjusting mechanism 100 to the pressure actuating mechanism 400, so that the adjustment is simpler and more convenient.

According to one embodiment of the present invention, the elastic assembly 150 includes an elastic member 151 and a force-applying adjustment block 152, one end of the elastic member 151 is connected to the force-applying member 140, one end of the force-applying adjustment block 152 is connected to the other end of the elastic member 151, and the other end of the force-applying adjustment block 152 is movably connected to the base 110 to adjust the output force value of the elastic member 151. The output force value of the elastic piece 151 is adjusted by the force application adjusting block 152 to finally adjust the original pressure applied by the pressure actuating mechanism 400, so that the adjusting mode is simple and convenient to operate.

Specifically, the base 110 includes a side standing plate 111 extending in a substantially vertical direction, a force application shaft 120 provided on the side standing plate 111, a force application member 140 formed in a substantially rod shape extending in a horizontal direction, and a bottom plate 112 provided at a lower portion of the side standing plate 111 and extending in a substantially horizontal direction, an elastic member 151 and a force application regulating block 152 extending in a substantially vertical direction, respectively, an upper end of the elastic member 151 being connected to the force application member 140, and a lower end of the force application regulating block 152 being movably connected to the bottom plate 112. Specifically, the side stand 111 and the bottom plate 112 are disposed in a substantially vertical state, the urging member 140 and the elastic member 151 and the urging adjustment block 152 are also disposed in a substantially vertical state, and the connection between the side stand 111 and the bottom plate 112, the connection between the side stand 111 and the urging shaft 120, the connection between the urging member 140 and the elastic member 151, and the connection between the urging adjustment block 152 and the bottom plate 112 are disposed at substantially four vertices of a rectangle, respectively. Further, as shown in fig. 2, the side vertical plate 111 is formed in a vertical plate shape, and is provided with a side vertical plate mounting hole 113, the bottom end of which is fixedly connected to the bottom plate 112. The arrangement of the base 110 ensures the stability of installation, and is simple and compact in structure.

Specifically, the elastic assembly 150 further includes an adjusting screw 153, the adjusting screw 153 is disposed on the bottom plate 112, a thread corresponding to the adjusting screw 153 is disposed at a lower portion of the force application adjusting block 152, and the force application adjusting block 152 is in threaded connection with the adjusting screw 153 to adjust a position of the force application adjusting block 152 in an up-down direction. Specifically, as shown in fig. 3, the force-applying adjustment block 152 is formed in a substantially columnar shape, one end of the force-applying adjustment block 152 is provided with a force-applying adjustment block mounting hole 155 to be connected with the other end of the elastic member 151, the other end of the force-applying adjustment block 152 is provided with a threaded hole a156, the threaded hole a156 extends axially from the end face of the other end of the force-applying adjustment block 152, the inner wall of the threaded hole a156 has a thread corresponding to the adjusting screw 153, and the force-applying adjustment block 152 is movably connected with the adjusting screw 153 on the bottom plate 112 by the thread. Therefore, the adjustment of the output force value of the elastic piece 151 can be realized by adjusting the relative distance change between the force application adjusting block 152 and the adjusting screw 153, and the adjustment mode is more flexible.

In a preferred embodiment of the present invention, the elastic member 151 is a tension spring. Specifically, as shown in fig. 4, the tension spring includes a first shackle 158, a tension spring body 157, and a second shackle 154, the first shackle 158 being connected to the force application member 140, the tension spring body 157 being telescopic and one end of the tension spring body 157 being connected to the first shackle 158, the second shackle 154 being provided at the other end of the tension spring body 157 and being connected to one end of the force application adjusting block 152. Specifically, the second shackle 154 is connected to the apply adjustment block 152 through an apply adjustment block mounting hole 155. Alternatively, the first shackle 158 is integrally formed with the tension spring body 157. The structure of the tension spring makes the installation more convenient and the output force value adjustment easier to operate.

Specifically, the longitudinal cross-sections of the second shackle 154 and the first shackle 158 are perpendicular to each other. The perpendicular second shackle 154 is more stable to mount with the first shackle 158 to facilitate adjustment of the pressure output value.

According to a preferred embodiment of the present invention, the pressure adjustment mechanism 100 further includes a bearing housing 160 and a bearing 170, the bearing housing 160 being provided on the base 110, the bearing 170 being coaxial with the bearing housing 160 and being provided on the bearing housing 160 rotatably about its axis, at least a portion of the urging shaft 120 being provided within the bearing 170 to rotate about the axis of the bearing 170. Specifically, the bearing housing 160 is provided on the side riser 111, and further, the bearing housing 160 is provided on the side riser 111 through the side riser mounting hole 113 and fastened by a screw lock. The force application rotating shaft 120 is mounted on the base 110 through the bearing seat 160 and the bearing 170, so that the mounting stability of the force application rotating shaft 120 is ensured, and the accuracy and stability of the force application rotating shaft 120 in the force transmission process are further ensured.

Specifically, the bearing housing 160 includes a mounting base 161 provided with a mounting hole 164 for coupling with the base 110, and a mounting boss 163 provided on the mounting base 161, the mounting boss 163 having a central through hole 162 defined therein therethrough in an axial direction thereof, and a bearing 170 rotatably provided in the central through hole 162. Specifically, as shown in fig. 5 and 6, the central through hole 162 is matched with the shaft diameter of the bearing 170, and optionally, the central through hole 162 is matched with the journals of the two flange bearings to ensure the coaxiality of the bearing 170 and the bearing seat 160, so that the force application rotating shaft 120 smoothly rotates in the bearing 170, and further, the force application force of the force application force measuring mechanism 300 of the micro-pressure adjusting device 500 by the pressure adjusting mechanism 100 is ensured to be continuously applied. The mounting holes 164 include a plurality of mounting holes 164 uniformly spaced along the circumference of the mounting base 161, and optionally, 4 mounting holes 164 are provided, and the mounting base 161 is fastened to the base 110 by the mounting holes 164 and screws. The bearing housing 160 further ensures the connection stability of each component, and has a simple structure and convenient installation.

Specifically, the mounting boss 163 is provided at its axial ends with a first counterbore 165 and a second counterbore 166, respectively. Further, the first counter bore 165 cooperates with the flange face of one of the flange bearings to ensure that the flange face of the flange bearing abuts against the bottom face of the first counter bore 165, and the second counter bore 166 cooperates with the flange face of the other flange bearing to ensure that the flange face abuts against the bottom face of the second counter bore 166. The first counter bore 165 and the second counter bore 166 further improve the coaxiality of the bearing 170 and the bearing seat 160, and further improve the smoothness of the rotation of the force application rotating shaft 120 in the bearing 170.

In a specific embodiment of the present invention, the force application shaft 120 includes a body 121 and a limiting boss 122, the body 121 is formed in a column shape, one end of the body 121 is connected to the transmission seat 130, the other end of the body 121 is connected to the force application member 140, the limiting boss 122 is disposed on an outer peripheral surface of the body 121 and is formed in a ring shape extending along a circumferential direction of the body 121, and the limiting boss 122 abuts against the bearing 170. Specifically, as shown in fig. 7, the body 121 further includes a first threaded hole 123 disposed at one end of the body 121, the force application rotating shaft 120 and the transmission seat 130 are fastened by the first threaded hole 123 and a screw, the body 121 further includes a second threaded hole 124 disposed at the other end of the body 121, the force application rotating shaft 120 and the force application member 140 are fastened by the second threaded hole 124, the body 121 further includes a planar portion 125 formed by axially extending from the other end of the body, the second threaded hole 124 is disposed in the planar portion 125, and when the force application member 140 and the force application rotating shaft 120 are connected by the second threaded hole 124, the force application member 140 and the force application rotating shaft 120 are locked by using a nut and the planar portion 125, so as to ensure that the installation position of the force application member 140 and the force application rotating shaft 120 is fixed, and ensure that the applied initial force is stable. The limiting boss 122 engages one of the flanged bearing inner rings to limit the relative position of the force applying spindle 120 and the bearing housing 160.

In summary, according to the pressure adjusting mechanism 100 of the embodiment of the present invention, the force application shaft 120 drives the transmission seat 130 to rotate to apply the original pressure to the pressure actuating mechanism 400, and then the elastic component 150 and the force application member 140 are used to adjust the rotation amplitude of the force application shaft 120 to adjust the pressure, so that the adjustment is simpler and more convenient.

Based on other problems in the prior art, the inventor of the present application also improves on the existing micro-pressure adjusting device 500 and proposes a micro-pressure adjusting device 500.

A micro-pressure regulating device 500 according to an embodiment of the present invention is described in detail below with reference to fig. 8-19.

As shown in fig. 8 to 10, the micro pressure adjusting apparatus 500 according to the embodiment of the present invention includes the pressure adjusting mechanism 100 of the above-described embodiment, and in addition, the micro pressure adjusting apparatus 500 according to the embodiment of the present invention further includes the force-applying position adjusting mechanism 200, the force-applying force measuring mechanism 300, and the pressure actuator 400. The force-applying position adjusting mechanism 200 is connected to the transmission seat 130 of the pressure adjusting mechanism 100 of the micro-pressure adjusting device 500, and includes an adjusting lever 210, a force-applying carriage 220, and an adjusting motor 230. The force application force measuring mechanism 300 is matched with the force application position adjusting mechanism 200 of the micro-pressure adjusting device 500 and the pressure actuating mechanism 400 of the micro-pressure adjusting device 500, and comprises a fulcrum rotating shaft 310, a force transmission lever 320 and a sensor 330.

The force position adjustment mechanism 200 of the micro-pressure adjustment device 500 according to an embodiment of the present invention is described in detail below with reference to fig. 11-15.

As shown in fig. 11, the force applying position adjusting mechanism 200 according to the embodiment of the invention is mainly composed of an adjusting lever 210, a force applying trolley 220 and an adjusting motor 230, the adjusting lever 210 is rotatably provided on the transmission base 130 around its axis, one end of the adjusting lever 210 protrudes out of the transmission base 130, the force applying trolley 220 is movably provided on a portion of the adjusting lever 210 protruding out of the transmission base 130 in the axial direction of the adjusting lever 210, the adjusting lever 210 is rotated around its axis to adjust the position of the force applying trolley 220 on the adjusting lever 210, the adjusting motor 230 is provided above the transmission base 130, the adjusting motor 230 has a motor shaft 231, and the motor shaft 231 is connected with the adjusting lever 210 to drive the adjusting lever 210 to rotate.

Thus, according to the force-applying position adjusting mechanism 200 of the embodiment of the present invention, the original pressure applied by the pressure adjusting mechanism 100 is transmitted to the pressure actuator 400 by being connected to the transmission seat 130 of the pressure adjusting mechanism 100. In addition, the force-applying position adjusting mechanism 200 is configured such that the adjusting motor 230 is disposed above the transmission seat 130, so that the height of a part of the Z-direction is increased, the space occupied in the horizontal direction is reduced, the mechanism volume is reduced, the installation space is not limited, and the force-applying position adjusting mechanism 200 is compact in structure, and can be matched with the pressure adjusting mechanism 100 of the micro-pressure adjusting device 500 to perform pressure adjustment on the pressure actuating mechanism 400.

In a specific embodiment of the present invention, at least a portion of one end of the adjusting lever 210 is disposed in the transmission seat 130, the other end of the adjusting lever 210 extends out of the transmission seat 130 from one side of the transmission seat 130 to be connected to the force application trolley 220, and the motor shaft 231 extends into the transmission seat 130 to be connected to the adjusting lever 210. Specifically, as shown in fig. 12, the adjusting rod 210 is formed into a substantially cylindrical shape, wherein a portion of the adjusting rod 210 extending out of the transmission seat 130 has a threaded section 211, and the threaded section 211 is in threaded connection with the threaded hole 282 of the force application trolley 220, so that when the adjusting rod 210 rotates around its axis, the position of the force application trolley 220 on the adjusting rod 210 can also be changed accordingly, and the force application trolley 220 can finally perform pressure adjustment on the pressure actuator 400. The adjusting rod 210 further includes an optical axis segment 212, and the optical axis segment 212 and the threaded segment 211 are respectively disposed at two ends of the adjusting rod 210. The structure of the adjusting rod 210, the transmission seat 130 and the force application trolley 220 is simple and flexible.

Specifically, the motor shaft 231 extends in a substantially vertical direction, and the adjustment lever 210 extends in a substantially horizontal direction. Specifically, the axis of the longest portion of the motor is substantially perpendicular to the adjustment lever 210, so that the space occupied by the components can be further reasonably optimized, and the installation space is not limited.

Further, the force position adjusting mechanism 200 further includes a main transmission gear 250 and a driven transmission gear 260, wherein the main transmission gear 250 is disposed on the motor shaft 231 and is driven by the motor shaft 231 to rotate around the axis of the motor shaft 231, the driven transmission gear 260 is disposed on the adjusting lever 210, and the driven transmission gear 260 is meshed with the main transmission gear 250 to drive the adjusting lever 210 to rotate. Specifically, as shown in fig. 12, the driven transmission gear 260 is sleeved on the optical axis section 212 of the adjusting rod 210, the optical axis section 212 of the adjusting rod 210 is provided with an adjusting rod plane part 213, and after the position of the driven transmission gear 260 is adjusted, the driven transmission gear 260 is tightly pressed against the adjusting rod plane part 213 by a screw so as to limit the rotation and the axial displacement of the driven transmission gear 260 relative to the adjusting rod 210. The rotation of the adjustment motor 230 is transmitted to the main transmission gear 250 through the motor shaft 231, and then to the adjustment lever 210 through the driven transmission gear 260.

In a preferred embodiment of the present invention, two opposite sidewall surfaces of the transmission seat 130 are respectively provided with an adjusting rod mounting hole 131 penetrating along an axial direction of the adjusting rod 210, and one end of the adjusting rod 210 sequentially passes through the two adjusting rod mounting holes 131 and at least a portion of the adjusting rod extends out from the other side of the transmission seat 130. Specifically, as shown in fig. 13, the transmission seat 130 is formed into a cylindrical cylinder, alternatively, the transmission seat 130 is formed into a square cylindrical cylinder, the adjusting rod mounting holes 131 are formed on two opposite side wall surfaces of the transmission seat 130, the transmission seat 130 is further provided with a force application shaft mounting hole 132, the force application shaft mounting hole 132 is formed on the other side surface of the transmission seat 130, the transmission seat 130 is matched with the body 121 of the force application shaft 120 through the force application shaft mounting hole 132, and the force application shaft 120 is fixedly connected with the transmission seat 130 by using screws. The transmission seat 130 is connected with the force position adjusting mechanism 200 and the pressure adjusting mechanism 100, so that the connection of the components is facilitated.

Specifically, the force position adjustment mechanism 200 further includes a stop nut 280, where the stop nut 280 is disposed on one end of the adjustment lever 210 to limit the adjustment lever 210 from being detached from the transmission seat 130. Specifically, the limit nut 280 is disposed outside the transmission seat 130 and sleeved on a portion of the adjusting rod 210 extending from the other side of the transmission seat 130. Further, as shown in fig. 14, the limit nut 280 is provided with a central through hole a281 for the optical axis section 212 of the adjusting rod 210 to pass through, and a screw hole 282 provided on a side wall of the limit nut 280, and the optical axis section 212 of the adjusting rod 210 is connected with the screw hole 282 by using a screw, so that the limit nut 280 is fixedly connected with the optical axis section 212.

According to a specific embodiment of the present invention, the force position adjustment mechanism 200 further includes two adjustment bearings 270, the two adjustment bearings 270 are respectively disposed in the two adjustment lever mounting holes 131, and one end of the adjustment lever 210 is rotatably disposed on the transmission seat 130 through the adjustment bearings 270. Specifically, the two adjusting bearings 270 are sleeved on the optical axis section 212 of the adjusting rod 210, the adjusting rod 210 is connected with the transmission seat 130 through the adjusting bearings 270, and the driven transmission gear 260 is arranged between the two adjusting bearings 270. The adjusting bearing 270 smoothly transmits the rotation of the adjusting motor 230 to the adjusting lever 210, and has good stability.

In a preferred embodiment of the present invention, the force position adjustment mechanism 200 further includes a motor mounting plate 240, the motor mounting plate 240 being provided on the upper surface of the transmission housing 130, the motor mounting plate 240 having a lower plane that abuts against the upper surface of the transmission housing 130 and an upper plane for supporting the adjustment motor 230, the motor mounting plate 240 being provided with a through hole for the motor shaft 231 to pass through. Specifically, as shown in fig. 15, for convenience of description, the motor mounting plate 240 is provided with a through hole for the motor shaft 231 to pass through, hereinafter referred to as a central through hole B241, and the adjustment motor 230 is mounted with the driving gear, whereby the central through hole B241 is fitted into the motor mounting plate 240 and fixedly coupled by a screw, and the motor mounting plate 240 is fixedly coupled with the adjustment motor 230 and the transmission housing 130, respectively, by a screw. The motor mounting plate 240 makes the structure more compact and convenient to install.

According to one embodiment of the present invention, the other end of the adjusting rod 210 is provided with threads, and the force application trolley 220 is in threaded connection with the adjusting rod 210. The threaded connection is convenient to install and detach.

In summary, the force application position adjusting mechanism 200 according to the embodiment of the present invention has a reasonable layout, and the adjusting motor 230 is disposed above the transmission seat 130 to increase a part of the Z-directional height, so as to reduce the space occupied in the horizontal direction, reduce the mechanism volume, and further make the installation space unrestricted, and the force application position adjusting mechanism 200 has a compact structure, and can cooperate with the pressure adjusting mechanism 100 of the micro-pressure adjusting device 500 to perform pressure adjustment on the pressure actuating mechanism 400.

The force-applying force-measuring mechanism 300 of the micro-pressure adjusting device 500 according to an embodiment of the present invention is described in detail below with reference to fig. 16-19.

As shown in fig. 16, the force-applying force measuring mechanism 300 according to the embodiment of the present invention is mainly composed of a fulcrum shaft 310, a force-transferring lever 320, and a sensor 330, at least a portion of the force-transferring lever 320 is stopped against the fulcrum shaft 310, and both ends of the force-transferring lever 320 are respectively located at both sides of the fulcrum shaft 310 to swing around the fulcrum shaft 310, one end of the force-transferring lever 320 cooperates with the force-applying trolley 220 of the force-applying position adjusting mechanism 200 to apply force thereto by the force-applying trolley 220, the other end of the force-transferring lever 320 is connected with the pressure actuator 400, the sensor 330 is provided on the pressure actuator 400, or the sensor 330 is provided at the other end of the force-transferring lever to detect the force value applied by the force-transferring lever 320 to the pressure actuator 400.

Thus, according to the force applying and measuring mechanism 300 of the micro pressure adjusting device 500 of the embodiment of the present invention, by providing the sensor 330 on one end of the force transmitting lever 320 for real-time pressure detection, accurate control of pressure is achieved.

According to an embodiment of the present invention, the force-applying force-measuring mechanism 300 further includes a connection block 340, wherein the connection block 340 is disposed at the other end of the force-transmitting lever 320, and the force-transmitting lever 320 is connected to the pressure actuator 400 through the connection block 340. The connection block 340 can improve flexibility of connection between components, and facilitate installation.

Specifically, the connection block 340 includes a connection block body 341 and a connection rod 342, the connection block body 341 is connected to the pressure actuator 400, the connection rod 342 is provided at one side of the connection block body 341 and is substantially perpendicular to the connection block body 341, and the connection rod 342 is connected to the force transmission lever 320. Specifically, as shown in fig. 17, the connecting block body 341 is matched with a bearing in the pressure actuating mechanism 400, so that the pressure actuating mechanism 400 can move up and down along with the force transmission lever 320, and meanwhile, the relative transverse displacement between the two parts is eliminated, so that the pressure can be effectively transmitted.

Specifically, the cross section of the connection block body 341 is formed as a -shaped bayonet, and a first mounting hole 343 is provided on the connection block body 341. Further, when the connection block 340 is connected to the force transmission lever 320, the opening of the bayonet is directed to the left, the longitudinal section of the connection block body 341 is substantially perpendicular to the horizontal plane, and the connection rod 342 is substantially parallel to the horizontal plane. The bayonet with the cross section being formed in a shape of is used for being connected with the pressure actuating mechanism 400, optionally, the upper end of the pressure actuating mechanism 400 is connected with the connecting block body 341 through a bearing, the bearing is positioned in the -shaped bayonet, and the first mounting hole 343 is used for mounting the photoelectric baffle.

Specifically, the connecting rod 342 is arranged at one side of the bayonet and is perpendicular to the bayonet, the connecting rod 342 is provided with a second mounting hole 344, and the connecting rod 342 is connected with the force transmission lever 320 through screws. The screw connection is simple and convenient, and the reliability is high.

According to one embodiment of the present invention, the connection block 340 is an integral piece. The integrally formed connection block 340 facilitates production and processing and can ensure overall structural stability.

In a preferred embodiment of the present invention, the force transmission lever 320 is formed in a thin plate shape, and the force transmission lever 320 is in line contact with the fulcrum shaft 310. Specifically, as shown in fig. 18, the force transmission lever 320 has an upper surface 321 that cooperates with the force application cart 220, and the upper surface 321 is a plane, so that the force application cart 220 moves smoothly on the upper surface 321, and smooth adjustment of pressure is achieved. The force transfer lever 320 also has a lower surface 322 that mates with the fulcrum shaft 310, the lower surface 322 is also planar, and the lower surface 322 of the force transfer lever 320 makes line contact with the fulcrum shaft 310 to better effect force transfer. The force transmission lever 320 is further provided with a threaded hole B323, and the force transmission lever 320 is connected with the fulcrum shaft 310 through the threaded hole B323, so that smooth rotation of the force transmission lever 320 around the fulcrum shaft 310 is ensured. The end of the force transmission lever 320 is further provided with an end connection hole 324, and the force transmission lever 320 is connected with a second mounting hole 344 on the connecting rod 342 of the connecting block 340 through the end connection hole 324, so that the applied force value is transmitted to the pressure actuator 400 through the connecting block 340.

Further, as shown in fig. 19, the fulcrum shaft 310 includes a shaft body 311 and a middle boss 312, the middle boss 312 being provided on an outer peripheral surface of the shaft body 311 and formed in a ring shape extending in a circumferential direction of the shaft body 311. The fulcrum shaft 310 is mounted on the micro-pressure adjusting device 500 through the fulcrum shaft bearing 360 and the fulcrum shaft bearing housing 350, and the middle boss 312 limits the relative position of the force transfer lever 320 shaft and the fulcrum shaft bearing housing 350. The rotating shaft body 311 is provided with a through hole 313, and the fulcrum rotating shaft 310 and the force transmission lever 320 are locked and fixed through screws and the through hole 313.

In particular, the method comprises the steps of, the sensor 330 is attached to the force transfer lever 320. The mounting mode of the mounting is simple and quick.

Specifically, the sensor 330 is provided on the upper surface 321 of the force transfer lever 320. Further, the sensor 330 is disposed near one end of the pressure actuator 400, such that the sensor 330 is closer to the pressure actuator 400, which is beneficial to improving accuracy of force detection.

In summary, the force-applying force-measuring mechanism 300 of the micro-pressure adjusting device 500 according to the embodiment of the present invention achieves accurate control of pressure by providing a sensor 330 on one end of the force-transmitting lever 320 for real-time pressure detection.

In summary, according to the micro-pressure adjusting device 500 of the embodiment of the invention, the pressure adjusting mechanism 100, the force-applying position adjusting mechanism 200 and the force-applying force measuring mechanism 300 cooperate together to perform pressure adjustment on the pressure actuating mechanism 400, so that the structures are closely matched, the layout is reasonable, and the pressure adjustment is simpler and more convenient.

While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.

Claims

1. A pressure regulating mechanism of a micro-pressure regulating device, comprising:

the base comprises a side vertical plate and a bottom plate, wherein the side vertical plate extends along the vertical direction, and the bottom plate is arranged at the lower part of the side vertical plate and extends along the horizontal direction;

the force application rotating shaft is rotatably arranged on the side vertical plate around the axis of the force application rotating shaft;

the other end of the force application piece can move to drive the force application rotating shaft to rotate, and the force application piece is approximately formed into a rod shape extending along the horizontal direction;

an elastic assembly, the elastic assembly comprising:

a tension spring, the tension spring comprising:

the second shackle is arranged at the other end of the tension spring body;

the other end of the force application adjusting block is movably connected with the bottom plate so as to adjust the output force value of the tension spring body; the tension spring body and the force application adjusting block extend along the vertical direction approximately,

the adjusting screw is arranged on the bottom plate, threads corresponding to the adjusting screw are arranged at the lower part of the force application adjusting block, and the force application adjusting block is in threaded connection with the adjusting screw so as to adjust the position of the force application adjusting block in the up-down direction;

the transmission seat is connected with the force application rotating shaft and is also connected with a force application position adjusting mechanism which is matched with the force application force measuring mechanism and the pressure executing mechanism; the force application force measuring mechanism comprises a fulcrum rotating shaft, a force transmission lever and a sensor, at least one part of the force transmission lever is stopped against the fulcrum rotating shaft, two ends of the force transmission lever are respectively positioned at two sides of the fulcrum rotating shaft to swing around the fulcrum rotating shaft, one end of the force transmission lever is matched with the force application position adjusting mechanism to apply force to the force transmission lever by the force application position adjusting mechanism, the other end of the force transmission lever is connected with the pressure executing mechanism to transmit original pressure applied by the force application rotating shaft to the pressure executing mechanism, and the sensor is arranged on the pressure executing mechanism or the force transmission lever to detect the force value applied by the force transmission lever to the pressure executing mechanism.

2. The pressure regulating mechanism of a micro pressure regulating device according to claim 1, wherein the longitudinal sections of the second shackle and the first shackle are perpendicular to each other.

3. The pressure regulating mechanism of a micro pressure regulating device according to claim 1, further comprising:

the bearing seat is arranged on the base;

4. A pressure regulating mechanism for a micro pressure regulating device as claimed in claim 3, wherein the bearing housing comprises:

5. The pressure regulating mechanism of the micro-pressure regulating device according to claim 4, wherein the mounting boss is provided with a first counter bore and a second counter bore at axial ends thereof, respectively.

6. The pressure regulating mechanism of a micro pressure regulating device according to claim 5, wherein the force application rotating shaft comprises: