CN215616682U

CN215616682U - Pressing plate

Info

Publication number: CN215616682U
Application number: CN202121363263.0U
Authority: CN
Inventors: 李建峰; 周竞涛; 翁佩佳; 李红; 李林羲
Original assignee: Xi'an Zhiyan Digital Technology Co ltd
Current assignee: Xi'an Zhiyan Digital Technology Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-01-25
Anticipated expiration: 2031-06-18

Abstract

The invention discloses a pressing plate, which is used for clamping a workpiece placed on a workbench, wherein the pressing plate comprises: a clamping part, the clamping part is used for carrying out the centre gripping to the work piece, wherein, the clamping part still includes: the induction device is arranged on the clamping part and used for inducing the working parameters of the pressing plate; the tail part is arranged corresponding to the clamping part and plays a supporting role for the pressing plate through a supporting part arranged on the workbench; the limiting hole is formed between the clamping part and the tail part, and the limiting hole clamps the pressing plate to the workpiece under the action of the fastening piece. The technical problem that the traditional pressing plate only has a clamping effect and cannot monitor various working parameters of a workpiece and the pressing plate in real time is solved.

Description

Pressing plate

Technical Field

The invention relates to the field of pressing plates, in particular to a pressing plate.

Background

In the machining process, in order to ensure the machining reliability of parts, the clamp is necessary technological equipment. Clamping is to hold a workpiece in a given position obtained in positioning so as not to generate deflection and flutter under the action of external forces such as cutting force, gravity, inertia force and the like, thereby ensuring the processing quality and production safety. In conventional machining, the clamping force of the clamp is usually determined by a human or a torque wrench, and the actual operation is guided by the experience of the operator or the torque value.

In the process of implementing the technical scheme of the invention in the embodiment of the present application, the inventor of the present application finds that the above-mentioned technology has at least the following technical problems:

the traditional pressing plate only has a clamping effect and cannot monitor various working parameters of a workpiece and the pressing plate in real time.

Disclosure of Invention

The embodiment of the application provides a clamp plate, and solves the technical problems that a traditional clamp plate only has a clamping effect and cannot monitor various working parameters of a workpiece and the clamp plate in real time in the prior art. The technical purposes of monitoring and displaying various working parameters of the pressing plate and the workpiece in real time through a specific structure and realizing more accurate control on the clamping process are achieved.

In view of the above problems, embodiments of the present application provide a platen. The clamp plate is used for pressing from both sides tight the work piece of placing on the workstation, wherein, the clamp plate includes: a clamping part, the clamping part is used for carrying out the centre gripping to the work piece, wherein, the clamping part still includes: the induction device is arranged on the clamping part and used for inducing the working parameters of the workpiece; the tail part is arranged corresponding to the clamping part; the limiting hole is formed between the clamping part and the tail part, and the pressing plate is clamped tightly on the workpiece under the action of the fastener.

Preferably, the pressing plate further includes: an accommodating space; the main control unit is arranged in the accommodating space and is in communication connection with the sensing device, and the main control unit obtains the working parameter information of the pressing plate sensed by the sensing device.

Preferably, the pressing plate further includes: the display unit is arranged on the pressing plate and is in communication connection with the main control unit and displays working parameter information of the pressing plate.

Preferably, the pressing plate further includes: the conversion module is in communication connection with the induction device and is used for converting the analog signal of the induction device into a digital signal; the power supply module is arranged in the display unit and supplies power to the display unit, the main control unit, the conversion module and the induction device.

Preferably, the clamping portion further includes: a first portion for contacting a workpiece; a second portion having: the clamping part comprises a first cavity and/or a second cavity, wherein the first cavity is positioned on one side of the clamping part, the second cavity is positioned on the other side of the clamping part and is arranged opposite to the first cavity, a gap is formed between the first cavity and the second cavity, and the sensing device is arranged in the first cavity and/or the second cavity.

Preferably, the sensing device further includes: the first sensing structure is positioned at the bottom of the first cavity and/or the bottom of the second cavity, wherein the first sensing structure comprises at least one sensing device used for sensing the external force of the pressing plate on the workpiece.

Preferably, the sensing device further includes: the second sensing structure is arranged in the pressing plate, and the second sensing structure and the first sensing structure are sensing devices with different parameters.

Preferably, the pressing plate further includes: and the third cavity is arranged on the clamping part, and the third cavity and the display unit are positioned on the same side of the pressing plate.

Preferably, the sensing device comprises one or more of a force sensor, a vibration sensor, an attitude sensor and a temperature sensor.

Preferably, the pressing plate can be a straight pressing plate, an arch pressing plate or an E-shaped pressing plate.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

the application provides a clamp plate, the clamp plate is used for pressing from both sides tightly placing the work piece on the workstation, wherein, the clamp plate includes: a clamping part, the clamping part is used for carrying out the centre gripping to the work piece, wherein, the clamping part still includes: the induction device is arranged on the clamping part and used for inducing the working parameters of the workpiece; the tail part is arranged corresponding to the clamping part; the limiting hole is formed between the clamping part and the tail part, and the pressing plate is clamped tightly on the workpiece under the action of the fastener. The technical problem that the traditional pressing plate only has a clamping effect and cannot monitor various working parameters of a workpiece and the pressing plate in real time in the prior art is solved. The technical purposes of monitoring and displaying various working parameters of the pressing plate and the workpiece in real time through a specific structure and realizing more accurate control on the clamping process are achieved.

Drawings

In order to more clearly illustrate the technical solutions in the present application or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a platen according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a first sensing structure according to an embodiment of the present application.

Fig. 3 is another schematic structural diagram of a pressing plate according to an embodiment of the present disclosure.

Description of reference numerals: the clamping part comprises a clamping part 1, an induction device 2, a first part 3, a first cavity 4, a second cavity 5, a tail part 6, a limiting hole 7, a third cavity 8, a display unit 9 and a power supply module 10.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, specific embodiments thereof are described in detail below with reference to the accompanying drawings. In the following description, numerous details are set forth to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Technical idea

The application provides a clamp plate, has solved among the prior art can't accurately monitor the actual clamp force that the part received, and the unable real-time supervision's of the size of power technical problem.

In view of the above technical problems, the technical solution provided by the present application has the following general idea:

the technical scheme in the application has the following overall system: the clamp plate is used for pressing from both sides tight the work piece of placing on the workstation, wherein, the clamp plate includes: a clamping part, the clamping part is used for carrying out the centre gripping to the work piece, wherein, the clamping part still includes: the induction device is arranged on the clamping part and used for inducing the working parameters of the workpiece; the tail part is arranged corresponding to the clamping part; the limiting hole is formed between the clamping part and the tail part, and the pressing plate is clamped tightly on the workpiece under the action of the fastener. On the basis of a traditional pressing plate, signal acquisition devices such as a force sensor, a vibration sensor, an attitude sensor and a temperature sensor are integrated, information such as force, vibration, attitude and temperature generated by a part in a clamping state is monitored, a stable, reliable and appropriate target for clamping the clamp is realized through necessary monitoring means, and the clamp has the technical effects of convenience in reading, wide pressure measurement range and accuracy in vibration amplitude measurement.

To make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example 1

As shown in fig. 1, an embodiment of the present application provides a platen for clamping a workpiece placed on a worktable, wherein the platen includes: clamping part 1, clamping part 1 is used for right the work piece carries out the centre gripping, wherein, clamping part 1 still includes: the induction device 2 is arranged on the clamping part 1 and used for inducing the working parameters of the workpiece;

further, the pressing plate can be a straight pressing plate, an arched pressing plate or an E-shaped pressing plate.

Further, the sensing device 2 is one or more of a force sensor, a vibration sensor, an attitude sensor and a temperature sensor.

Specifically, the pressing plate is a digital pressing plate, and the working structure of data acquisition and wireless transmission is adopted, and the pressing plate may be a straight pressing plate, an arched pressing plate, or an E-shaped pressing plate. The pressure plate is used for clamping a workpiece placed on the workbench so as to keep the workpiece at a given position obtained in positioning. The clamping portion 1 is a portion of the pressing plate, which is in pressure connection with a workpiece, and is used for clamping the workpiece, and the clamping portion 1 includes the first portion 3 and the second portion, and the second portion has the first cavity 4 and/or the second cavity 5. When the pressing plate is used for pressing, the bottom of the workpiece is placed on the workbench, the top of the workpiece is in pressing connection with the first part 3, and the workpiece is clamped and fixed under the action of the pressing plate fastener.

Further, as shown in fig. 3, the clamping portion 1 further includes: a first portion 3, said first portion 3 being intended to be in contact with a workpiece; a second portion having: the clamping part comprises a first cavity 4, wherein the first cavity 4 is positioned on one side of the clamping part 1, and/or a second cavity 5, the second cavity 5 is positioned on the other side of the clamping part 1, and is arranged opposite to the first cavity 4, a gap is formed between the first cavity 4 and the second cavity 5, and the induction device 2 is arranged in the first cavity 4 and/or the second cavity 5.

Further, the sensing device 2 further includes: and the first sensing structure is positioned at the bottom of the first cavity 4 and/or the bottom of the second cavity 5, wherein the first sensing structure comprises at least one sensing device used for sensing the external force of the pressing plate on the workpiece.

Further, the sensing device 2 further includes: the second sensing structure is arranged in the pressing plate, and the second sensing structure and the first sensing structure are sensing devices with different parameters.

Further, the embodiment of the present application includes three specific implementation manners:

first embodiment

Inside the first clamping part 1, the second part comprises only the first cavity 4. The first cavity 4 is located on one side of the clamping portion 1, the first cavity 4 may be square, circular, polygonal, and the like, and in the embodiment of the present application, it is preferable that the first cavity 4 is a circular cavity. The first sensing structure in the sensing device 2 is arranged at the bottom of the first cavity 4, and the setting mode of the sensing element in the first sensing structure is divided into three measuring modes of a single arm, a half bridge and a full bridge, wherein the setting mode of a half bridge measuring circuit is shown in fig. 2. The single-arm bridge, the half bridge and the full bridge measuring circuits have different balance conditions, output voltages and sensitivities. Furthermore, when the measuring circuit in the first sensing structure is a single-arm bridge, the single-arm bridge is powered by a constant current source, so that the output of the bridge is not affected by temperature; in addition, the arrangement mode of the inductor in the first sensing structure further comprises a half-bridge measuring circuit and a full-bridge measuring circuit. Compared with a full-bridge circuit, the half-bridge circuit has the advantages of low cost and relative easiness in control, but as the input voltage of a transformer of the half-bridge circuit is only about positive and negative (1/2) Vin, when the input voltage and the output voltage are the same as those of the full-bridge circuit, the current stress borne by a primary side switching tube of the half-bridge circuit for transmitting the same power is much larger (about twice) than that of the full-bridge circuit, and therefore the half-bridge circuit is generally applied to the occasions of medium and small power (below 1 KW).

Second embodiment

Inside the first clamping part 1, the second part comprises only the second cavity 5. The second cavity 5 is located at one side of the clamping portion 1, the second cavity 5 may be square, circular, polygonal, and the like, and in the embodiment of the present application, it is preferable that the second cavity 5 is a circular cavity. In induction system 2 first sensing structure set up in the bottom of second cavity 5, just the setting mode of sensing element in the first sensing structure divide into single-armed, half-bridge, full-bridge three kinds of measuring methods. In practical application, the arrangement mode of the sensing element in the first sensing structure is selected according to the measurement type and the measurement precision of the workpiece information.

Third embodiment

Inside the first clamping part 1, the second part comprises both the first cavity 4 and the second cavity 5. The first cavity 4 and the second cavity 5 are respectively located at different positions inside the clamping portion 1, the sensing device 2 is placed in the cavities, and the sensing device 2 is used for collecting working condition information of the workpiece through a collecting device (a strain gauge, a sensor and other force measuring devices), for example, information such as pressure and friction force applied to the workpiece, and a reliable and appropriate target of clamping the clamp is achieved through data monitoring. The first cavity 4 in the second cavity 5 the first sensing structure respectively includes three inductor setting modes of single-arm bridge, half-bridge, full-bridge, just the first cavity 4 in the second cavity 5 sensing structure setting mode is independent each other. By simultaneously arranging the first cavity 4 and the second cavity 5 and selecting the setting mode of the induction part according to the measurement type and the measurement precision of the workpiece information, the stress, the posture and other parameter information of the workpiece can be more accurately measured.

Further, the sensing device 2 is located inside the clamping portion 1, and in the embodiment of the present application, the sensing device 2 further includes three specific embodiments.

First embodiment

The sensing device 2 only comprises the first sensing structure for sensing the external force applied to the workpiece. The first sensing structure includes: force sensor, attitude sensor etc. are used for responding to the sensor of work piece atress, through setting up first sensing structure is to in the clamp plate clamping process, data information such as the atress of work piece, gesture monitor, realize the technical purpose of in time control clamp force.

Second embodiment

The sensing device 2 comprises only the second sensing structure for sensing the working parameter of the platen. The second sensing structure comprises: and the temperature sensor, the vibration sensor and the like are used for sensing the working parameter information in the pressing plate. The sensing device 2 can set the acquisition device inside the sensing device 2 according to different requirements for acquiring the information of the workpiece. Through setting up second sensing structure realizes acquireing the information such as the inside temperature of clamp plate, vibration in the clamp plate working process.

Third embodiment

The sensing device 2 comprises the first sensing structure and the second sensing structure at the same time, wherein the second sensing structure and the first sensing structure are sensing devices with different parameters, and the first sensing structure is positioned at the bottom of the first cavity 4 and/or the bottom of the second cavity 5; the second sensing structure is disposed within the platen. The induction device 2 collects the working condition parameter information of the workpiece and the pressing plate through the first sensing structure and the second sensing structure, and the parameters of the induction devices are different and the measurement contents of the workpiece and the pressing plate are different. For example, the force sensor is used for detecting the force between the pressure plate and the workpiece to determine the force applied to the workpiece. The vibration sensor is used for detecting the vibration condition of the pressing plate in the machining process and judging whether the stress of the workpiece is proper or not. The attitude sensor is used for detecting the attitude of the pressing plate when the pressing plate presses the workpiece, the pressing plate has different attitudes, and the force action points acting on the workpiece are different. The temperature sensor is used for detecting the temperature of the workpiece and the temperature of the processing environment.

The tail part 6 is arranged corresponding to the clamping part 1; the limiting hole 7 is formed between the clamping part 1 and the tail part 6, and the pressing plate is clamped on the workpiece under the action of a fastener through the limiting hole 7.

Specifically, the tail portion 6 and the clamping portion 1 are correspondingly arranged on the pressing plate, the supporting portions are arranged on the workbench in parallel, the supporting portions and the workpiece are located on the same side of the pressing plate, the tail portion 6 is connected with the supporting portions in parallel, and when the pressing plate clamps the workpiece, the tail portion 6 and the workbench of the pressing plate are supported through setting different heights of the supporting portions, so that the workpiece is kept fixed in the clamping process. The limiting hole 7 is arranged between the clamping part 1 and the tail part 6, the limiting hole 7 is used for installing a fastening piece, such as a fastening nut, the shape of the limiting hole 7 can be adjusted according to the parameter information of the fastening piece, and the limiting hole 7 clamps the pressing plate to a workpiece under the action of the fastening piece.

Further, the pressing plate further includes: an accommodating space; the main control unit is arranged in the accommodating space and is in communication connection with the sensing device 2, and the main control unit obtains the working parameter information of the pressing plate sensed by the sensing device 2.

Specifically, the accommodating space is used for installing and placing the sensing device 2, the main control unit and the conversion module. The main control unit is in communication connection with the sensing device 2, after the sensing device 2 collects the working condition information of the workpiece, the collected or converted signal data are transmitted to the main control unit, the main control unit processes the data and stores the data information to the local storage module, the main control unit can export the information through a data interface and can also transmit the information to a PC (personal computer) end through the wireless transmission module and the external receiving module.

Further, the pressing plate further includes: and the display unit 9 is arranged on the pressing plate, the display unit 9 is in communication connection with the main control unit, and the working parameter information of the pressing plate is displayed.

Particularly, the display unit 9 is arranged on the pressing plate, the display unit and the clamping part 1 are respectively positioned on different sides of the pressing plate, the pressing plate displays working condition information of the pressing plate and a workpiece, such as stress magnitude, vibration amplitude, posture, temperature information and the like, processed by the main control unit in a text and numerical mode in real time through the display unit 9, and therefore real-time monitoring on working data such as pressing plate clamping force is achieved.

Further, the pressing plate further includes: the conversion module is in communication connection with the induction device 2 and is used for converting analog signals of the induction device 2 into digital signals; the power supply module 10 is arranged in the display unit 9, and the power supply module 10 supplies power to the display unit 9, the main control unit, the conversion module and the induction device 2.

Specifically, the power supply module 10 is disposed in the display unit 9, and the power supply module 10 supplies power to the display unit 9, the main control unit, the conversion module, and the induction device 2. The power supply module 10 includes a built-in battery, a wake-up/sleep function, and a rechargeable battery management function, and the power supply status information of the power supply module 10 can be monitored by the display unit 9 in real time. The conversion module is arranged in the accommodating space. The conversion module 8 is in communication connection with the sensing device 2, if the sensing device 2 collects the signal information of the pressing plate through the collecting device and contains an analog quantity signal, the sensing device 2 transmits the signal to the conversion module, the conversion module converts the signal from the analog quantity to a digital quantity, and then the converted digital signal is transmitted to the main control unit for data processing.

Further, as shown in fig. 3, the pressing plate further includes: and the third cavity 8 is arranged on the clamping part 1, and the third cavity 8 and the display unit 9 are positioned on the same side of the pressing plate.

Example 2

In order to explain a technical scheme of a pressing plate more clearly, the embodiment of the application provides a use method of the pressing plate, which specifically comprises the following steps:

in the production process, the bottom of the workpiece is connected with a workbench and horizontally arranged on the workbench, when the pressing plate is operated, the first part 3 of the clamping part 1 is horizontally connected with the top of the workpiece, the tail part 6 is supported with the top of the workpiece by adjusting the supporting block, then a fastening piece is installed in the limiting hole 7, and the workpiece is clamped by the pressing plate under the action of the fastening piece. Furthermore, the sensing device 2 collects the working condition information of the pressing plate in real time, the signal is converted through the conversion module, the main control unit transmits the information to the display unit 9, and the display unit 9 displays the data in real time, so that the force, vibration, posture, temperature and other information generated by the workpiece and the pressing plate in a clamping state can be monitored according to the display data, and the stable, reliable and appropriate technical effect of clamping of the clamp can be realized through the display and monitoring of the data.

The technical scheme provided in the application at least has the following technical effects or advantages:

the embodiment of the application provides a pressing plate. The clamp plate is used for pressing from both sides tight the work piece of placing on the workstation, wherein, the clamp plate includes: a clamping part, the clamping part is used for carrying out the centre gripping to the work piece, wherein, the clamping part still includes: the induction device is arranged on the clamping part and used for inducing the working parameters of the workpiece; the tail part is arranged corresponding to the clamping part; the limiting hole is formed between the clamping part and the tail part, and the pressing plate is clamped tightly on the workpiece under the action of the fastener. The technical purposes of monitoring and displaying various working parameters of the pressing plate and the workpiece in real time through a specific structure and realizing more accurate control on the clamping process are achieved.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the embodiments of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A platen for clamping a workpiece placed on a table, wherein the platen comprises:

a clamping part, the clamping part is used for carrying out the centre gripping to the work piece, wherein, the clamping part still includes:

the induction device is arranged on the clamping part and used for inducing the working parameters of the workpiece;

the tail part is arranged corresponding to the clamping part;

the limiting hole is formed between the clamping part and the tail part, and the pressing plate is clamped tightly on the workpiece under the action of the fastener.

2. The platen of claim 1, wherein the platen further comprises:

an accommodating space;

the main control unit is arranged in the accommodating space and is in communication connection with the sensing device, and the main control unit obtains the working parameter information of the pressing plate sensed by the sensing device.

3. The platen of claim 2, wherein the platen further comprises:

the display unit is arranged on the pressing plate and is in communication connection with the main control unit and displays working parameter information of the pressing plate.

4. The platen of claim 1, wherein the platen further comprises:

the conversion module is in communication connection with the induction device and is used for converting the analog signal of the induction device into a digital signal;

the power supply module is arranged in the display unit and supplies power to the display unit, the main control unit, the conversion module and the induction device.

5. The platen of claim 1, wherein the clamp portion further comprises:

a first portion for contacting a workpiece;

a second portion having:

a first cavity at one side of the clamping part and/or

The second cavity is located on the other side of the clamping portion and is opposite to the first cavity, a gap is formed between the first cavity and the second cavity, and the sensing device is arranged in the first cavity and/or the second cavity.

6. The platen of claim 5, wherein the sensing device comprises:

the first sensing structure is positioned at the bottom of the first cavity and/or the bottom of the second cavity, wherein the first sensing structure comprises at least one sensing device used for sensing the external force of the pressing plate on the workpiece.

7. The platen of claim 1, wherein the sensing device comprises:

the second sensing structure is arranged in the pressing plate, and the second sensing structure and the first sensing structure are sensing devices with different parameters.

8. The platen of claim 1, wherein the platen further comprises:

and the third cavity is arranged on the clamping part, and the third cavity and the display unit are positioned on the same side of the pressing plate.

9. The platen of claim 1 wherein the sensing device comprises one or more of a force sensor, a vibration sensor, an attitude sensor, a temperature sensor.

10. The platen of claim 1, wherein the platen may be a straight platen or an arcuate platen or an E-platen.