CN111376072A

CN111376072A - Mechanical device with buffer protection function and used for clamping circular product

Info

Publication number: CN111376072A
Application number: CN201811630241.9A
Authority: CN
Inventors: 孙义斌; 程建; 田辉
Original assignee: Tianjin Fuying Metal Products Co ltd
Current assignee: Tianjin Fuying Metal Products Co ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-07-07

Abstract

The invention discloses a mechanical device with buffer protection and used for clamping a circular product, which belongs to the technical field of mechanical equipment and comprises a supporting base, wherein two groups of stable slide bars are symmetrically arranged in the inner cavity of the supporting base, two groups of arc-shaped clamping plates are symmetrically arranged between the two groups of stable slide bars, the inner cavities of the arc-shaped clamping plates are respectively provided with a rubber buffer pad and a pressure sensor, and the pressure sensors are uniformly embedded on the outer wall of the rubber buffer pad, through the mutual matching of the pressure sensors and a control device, the pressure of the arc-shaped clamping plates on the workpiece can be timely displayed in a display when the arc-shaped clamping plates hold the workpiece, so that an operator can conveniently control the rotation of a driving motor, the damage to the clamped workpiece caused by untimely measurement is reduced, and through the arrangement of the rubber buffer pads, the friction force between the clamped, meanwhile, the compression damage of the arc-shaped clamping plate to the clamped workpiece is reduced.

Description

Mechanical device with buffer protection function and used for clamping circular product

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a mechanical device with buffer protection and used for clamping a circular product.

Background

The mechanical equipment is various in types, when the mechanical equipment runs, some parts of the mechanical equipment even the mechanical equipment can perform mechanical motion in different forms, the mechanical equipment comprises a driving device, a speed changing device, a transmission device, a working device, a braking device, a protection device, a lubricating system, a cooling system and the like, and in the field of mechanical equipment for clamping circular products, the clamping modes are designed in various ways, the clamping force in the pneumatic control mode does not slowly rise, the force cannot be quantized, or an annular measured object is stressed unevenly, and the measured object is easy to damage.

For example, patent application No. CN201620962981.2 is a mechanical device applied to clamping circular products, and the specific contents are: a mechanical device applied to clamping a round product is characterized in that a clamping ring I and the lower end surface of a clamping ring II are respectively fixed with a limiting plate, the clamping ring I and the clamping ring II are correspondingly arranged at the upper end of a flange base, a locking rod I is in screwed connection with a screw hole I of the clamping ring I, one end of the locking rod I extending into the flange base penetrates through a positioning block and is fixed with one end of a locking guide rod, the other end of the locking rod I is provided with a handle, the locking rod II is in screwed connection with the screw hole II of the clamping ring II, one end of the locking rod II extending into the flange base penetrates through another positioning block and is fixed with the other end of the locking guide rod, the other end of the locking rod II is provided with a handle, the handle is rotated, the clamping ring I and the clamping ring II simultaneously move in opposite directions or in opposite directions, the purpose of locking or unlocking is achieved, and the tested product can be conveniently and quickly clamped or, the experimental requirements are met.

Although this kind of be applied to mechanical device of circular product centre gripping utilizes left-handed and right-handed screw reverse motion principle, and manual control convenient and fast will be surveyed the product and grasp or loosen, has satisfied the experiment requirement, but does not have the buffering safeguard measure, easily because moment measurement untimely often causes the damage to by the centre gripping work piece, the inside guide bar can influence the clamping position to the work piece simultaneously.

Based on the above, the present invention provides a mechanical device with buffer protection for clamping circular products, so as to solve the above problems.

Disclosure of Invention

The invention aims to provide a mechanical device with buffer protection and used for clamping a circular product, and aims to solve the problems that although the principle of reverse motion of left-handed threads and right-handed threads is utilized, a tested product is conveniently and quickly clamped or loosened through manual control, the experimental requirements are met, but no buffer protection measures are provided, the clamped workpiece is easily damaged due to untimely torque measurement, and meanwhile, the clamping position of the workpiece is influenced by an internal guide rod.

In order to achieve the purpose, the invention provides the following technical scheme: a mechanical device with buffer protection and used for clamping a circular product comprises a supporting base, wherein two groups of stable sliding rods are symmetrically arranged in an inner cavity of the supporting base, two groups of arc-shaped clamping plates are symmetrically arranged between the two groups of stable sliding rods, rubber buffer pads and pressure sensors are respectively arranged in the inner cavities of the arc-shaped clamping plates, the pressure sensors are uniformly embedded in the outer walls of the rubber buffer pads, fixed clamping seats are arranged on the outer walls of the arc-shaped clamping plates, adjusting screws are arranged in the inner cavities of the fixed clamping seats and penetrate through the supporting base, two groups of mounting clamping seats are symmetrically arranged on the side walls of the supporting base relative to the adjusting screws, adjusting sleeves are connected to the outer walls of the adjusting screws through threads and are connected with the supporting base, driving motors are arranged in the inner cavities of the mounting clamping seats, and, the outer wall of the adjusting sleeve is sleeved with a transmission gear, the transmission gear is meshed with the driving gear, the left side and the right side of the supporting base are provided with protective end covers, the protective end covers are arranged on the outer sides of the mounting clamping seats, a control device is mounted on the side wall of each protective end cover, the pressure sensor and the driving motor are electrically connected with the control device, and the control device is electrically connected with an external power supply through a control switch.

Preferably, the control device comprises a central processing unit, a driving unit and a display, the central processing unit is electrically connected with the pressure sensor and the driving unit respectively, and the driving unit is electrically connected with the driving motor and the display respectively.

Preferably, the side wall of the arc-shaped clamping plate is provided with a stable sliding hole matched with the stable sliding rod, and the stable sliding hole is in clearance fit with the stable sliding rod.

Preferably, the mounting clamping seat comprises a connecting plate and a fixing sleeve, the fixing sleeve is fixed to the top of the connecting plate, connecting holes are uniformly formed in the top of the connecting plate and are arranged around the fixing sleeve, and fixing holes are uniformly formed in the side wall of the fixing sleeve.

Preferably, the fixed sleeve is matched with the driving motor, and the fixed sleeve is in transition fit with the driving motor.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the mutual cooperation of the pressure sensor and the control device, the pressure of the arc-shaped clamping plate on the workpiece can be displayed in the display in time when the workpiece is held by the arc-shaped clamping plate, so that an operator can conveniently control the rotation of the driving motor, the damage to the held workpiece caused by untimely measurement is reduced, the friction force between the held workpiece and the arc-shaped clamping plate is improved through the arrangement of the rubber buffer pads, the compression damage of the arc-shaped clamping plate on the held workpiece is reduced, the stability of the arc-shaped clamping plate during sliding clamping is improved through the arrangement of the stabilizing slide rods on the two sides of the arc-shaped clamping plate, and the influence on the clamping position of the workpiece is.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a top view of the present invention;

FIG. 3 is a circuit block diagram of a control device according to the present invention;

fig. 4 is a schematic view of the mounting seat structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-supporting base, 2-stable sliding rod, 3-arc clamping plate, 4-rubber buffer cushion, 5-pressure sensor, 6-fixed clamping seat, 7-adjusting screw, 8-installation clamping seat, 81-connecting plate, 82-fixed sleeve, 83-connecting hole, 84-fixed hole, 9-adjusting sleeve, 10-driving motor, 11-driving gear, 12-transmission gear, 13-protective end cover, 14-control device, 15-central processing unit, 16-driving unit and 17-display.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Referring to fig. 1-4, the present invention provides a technical solution: a mechanical device with buffer protection and used for clamping a circular product comprises a supporting base 1, wherein two groups of stable slide rods 2 are symmetrically arranged in an inner cavity of the supporting base 1, two groups of arc-shaped clamping plates 3 are symmetrically arranged between the two groups of stable slide rods 2, rubber buffer pads 4 and pressure sensors 5 are respectively arranged in the inner cavities of the arc-shaped clamping plates 3, the pressure sensors 5 are uniformly embedded on the outer wall of the rubber buffer pads 4, fixing clamping seats 6 are arranged on the outer wall of the arc-shaped clamping plates 3, adjusting screws 7 are arranged in the inner cavities of the fixing clamping seats 6, the adjusting screws 7 penetrate through the supporting base 1, two groups of mounting clamping seats 8 are symmetrically arranged on the side wall of the supporting base 1 relative to the adjusting screws 7, the outer wall of each adjusting screw 7 is connected with an adjusting sleeve 9 through threads, the adjusting sleeves 9 are connected with the supporting base 1, a driving motor, the outer wall of adjusting sleeve 9 has cup jointed drive gear 12, and drive gear 12 and drive gear 11 intermeshing, and the left and right sides that supports base 1 all is provided with protection end cover 13, and protection end cover 13 sets up in the outside of installation cassette 8, and controlling means 14 is installed to the lateral wall of protection end cover 13, and pressure sensor 5 and driving motor 10 all with controlling means 14 electric connection, controlling means 14 passes through control switch and external power electric connection.

Wherein, the control device 14 comprises a central processing unit 15, a driving unit 16 and a display 17, the central processing unit 15 is electrically connected with the pressure sensor 5 and the driving unit 16 respectively, the driving unit 16 is electrically connected with the driving motor 10 and the display 17 respectively, so as to facilitate an operator to observe the clamping state of the arc-shaped clamping plate 3 and control the rotation of the driving motor 10 by the operator, the side wall of the arc-shaped clamping plate 3 is provided with a stable sliding hole matched with the stable sliding rod 2, the stable sliding hole is in clearance fit with the stable sliding rod 2, so as to facilitate the arc-shaped clamping plate 3 to slide on the stable sliding rod 2, improve the sliding stability of the arc-shaped clamping plate 3, the mounting clamping seat 8 comprises a connecting plate 81 and a fixing sleeve 82, the fixing sleeve 82 is fixed on the top of the connecting plate 81, the top of the connecting plate 81 is uniformly provided with connecting holes 83, the connecting holes 83 are arranged around the, fixed mounting between convenient installation cassette 8 and the support base 1 and the location installation between installation cassette 8 and the driving motor 10, fixed sleeve 82 and driving motor 10 mutually support, and be transition fit between fixed sleeve 82 and the driving motor 10, improve the stability of driving motor 10 in installation cassette 8.

One specific application of this embodiment is: when the clamping device is used, a clamped workpiece is placed between two groups of arc-shaped clamping plates 3, the rotation of the driving motor 10 is controlled by the control device 14, the rotation of the driving motor 10 drives the rotation of the driving gear 11, the rotation of the driving gear 11 drives the rotation of the adjusting sleeve 9, the adjusting screw 7 can slide in the adjusting sleeve 9 under the action of the rotation of the adjusting sleeve 9 and the threaded force, the arc-shaped clamping plates 3 are pushed to slide on the stabilizing slide rod 2 by the sliding of the adjusting screw 7 on the adjusting sleeve 9, so that the clamped workpiece can be fixed in the inner cavities of the arc-shaped clamping plates 3 by the arc-shaped clamping plates 3, the friction between the clamped workpiece and the arc-shaped clamping plates 3 is improved by the arrangement of the rubber buffer pads 4, the compression damage of the arc-shaped clamping plates 3 to the clamped workpiece is reduced, the pressure data born by the arc-shaped clamping plates 3 to the clamped workpiece is monitored by the pressure sensor 5, and, compare the data that will transmit through central processing unit 15 and convert image information into, the information after will contrasting again with the image information after the conversion transmit drive unit 16 in, drive unit 16 is according to the rotation or the stopping of contrast information and the graphic information control driving motor 10 that transmit, show the pressure data that pressure sensor 5 monitored in display 17 simultaneously, thereby make things convenient for operating personnel to control driving motor 10's rotation, reduce and cause the damage because the measurement is untimely to the work piece that is held, through stabilizing slide bar 2 and setting up in arc cardboard 3 both sides, improve the stability when arc cardboard 3 slides the centre gripping, reduce the influence to work piece clamping position simultaneously.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A mechanical device with buffer protection and for clamping round products, comprising a support base (1), characterized in that: the inner cavity of the supporting base (1) is symmetrically provided with two groups of stabilizing slide bars (2), two groups of arc-shaped clamping plates (3) are symmetrically arranged between the two groups of stabilizing slide bars (2), the inner cavity of each arc-shaped clamping plate (3) is respectively provided with a rubber cushion (4) and a pressure sensor (5), the pressure sensors (5) are uniformly embedded on the outer wall of the rubber cushion (4), the outer wall of each arc-shaped clamping plate (3) is provided with a fixed clamping seat (6), the inner cavity of each fixed clamping seat (6) is provided with an adjusting screw (7), the adjusting screw (7) penetrates through the supporting base (1), the side wall of the supporting base (1) is symmetrically provided with two groups of mounting clamping seats (8) relative to the adjusting screw (7), the outer wall of the adjusting screw (7) is connected with an adjusting sleeve (9) through threads, and the adjusting sleeve (, driving motor (10) are installed to the inner chamber of installation cassette (8), driving gear (11) have been cup jointed to the output shaft of driving motor (10), drive gear (12) have been cup jointed to the outer wall of adjusting sleeve (9), and drive gear (12) and drive gear (11) intermeshing, the left and right sides that supports base (1) all is provided with protection end cover (13), and protection end cover (13) set up in the outside of installation cassette (8), controlling means (14) are installed to the lateral wall of protection end cover (13), pressure sensor (5) and driving motor (10) all with controlling means (14) electric connection, controlling means (14) are through control switch and external power source electric connection.

2. A mechanical device with buffer protection for clamping round products as claimed in claim 1, characterized in that: the control device (14) comprises a central processing unit (15), a driving unit (16) and a display (17), wherein the central processing unit (15) is electrically connected with the pressure sensor (5) and the driving unit (16) respectively, and the driving unit (16) is electrically connected with the driving motor (10) and the display (17) respectively.

3. A mechanical device with buffer protection for clamping round products as claimed in claim 1, characterized in that: the side wall of the arc-shaped clamping plate (3) is provided with a stable sliding hole matched with the stable sliding rod (2), and the stable sliding hole is in clearance fit with the stable sliding rod (2).

4. A mechanical device with buffer protection for clamping round products as claimed in claim 1, characterized in that: the mounting clamping seat (8) comprises a connecting plate (81) and a fixing sleeve (82), the fixing sleeve (82) is fixed to the top of the connecting plate (81), connecting holes (83) are uniformly formed in the top of the connecting plate (81), the connecting holes (83) are arranged around the fixing sleeve (82), and fixing holes (84) are uniformly formed in the side wall of the fixing sleeve (82).

5. A mechanical device with buffer protection and used for clamping round products as claimed in claim 4, characterized in that: the fixed sleeve (82) is matched with the driving motor (10), and the fixed sleeve (82) is in transition fit with the driving motor (10).