CN216433806U - Automatic standard grinding pencil hardness testing device - Google Patents

Abstract

The utility model relates to an automatic standard grinding pencil hardness testing arrangement, comprises a workbench, the workstation upper end is provided with guide rail seat and test sample board, guide rail seat sliding connection has the grudging post, install the linear actuator on the slip direction of guide rail seat edge grudging post, the grudging post is connected in the linear actuator transmission, grudging post side fixedly connected with removes the seat, it is equipped with the balancing weight to remove a upper end, balancing weight sliding connection grudging post, be provided with a plurality of prefabricated counter bores in removing the seat perpendicularly, each prefabricated counter bore all has one and accepts the cavity, install pencil grinding mechanism and digital control hardness module in acceping the cavity, be provided with at least one through-hole in removing the seat perpendicularly, sliding connection has the pencil pole in the through-hole, digital control hardness module electric connection has the controller. The utility model discloses can automatic standardized grinding pencil pole and automatic standardized check-up pencil hardness, can effectively monitor pencil hardness, for the hardness test provides the condition, its practicality is strong.

Description

Automatic standard grinding pencil hardness testing device

Technical Field

The utility model relates to a hardness test technical field, concretely relates to automatic standard grinding pencil hardness testing arrangement.

Background

Pencil hardness pencilhardness, also known as film hardness pencil test. The method is a test method and a measurement system for calibrating the hardness of the coating film. The hardness of the pencil lead is classified into 13 grades according to the industrial standard. In the paint industry, the hardness of paint films is often examined using this series of pencils of different hardness, and the resulting test results are referred to as the pencil hardness of the paint film. In the prior art, most hardness tests have a line drawing function, a reliable means for grinding a pencil rod in the early stage and checking the hardness of the pencil is lacked, the actual standardization degree is low, the hardness tests have poor performance, a plurality of instruments are required, and the cost is high.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides among the above-mentioned background art, the utility model provides an automatic standard grinding pencil hardness testing arrangement can automatic standardized grinding pencil pole and automatic standardized check-up pencil hardness, can effectively monitor pencil hardness, provides the condition for the hardness test, and the practicality is strong.

The utility model provides a following technical scheme:

the automatic standard grinding pencil hardness testing device comprises a workbench, wherein a guide rail seat and a test sample plate are arranged at the upper end of the workbench, the guide rail seat is connected with a vertical frame in a sliding manner, a linear driver is installed on the guide rail seat along the sliding direction of the vertical frame, the linear driver is in transmission connection with the vertical frame, a moving seat is fixedly connected to the side face of the vertical frame, a balancing weight is arranged at the upper end of the moving seat and is in sliding connection with the vertical frame, a plurality of prefabricated counter bores are vertically arranged in the moving seat, each prefabricated counter bore is provided with an accommodating cavity, a pencil grinding mechanism and a digital monitoring hardness module are installed in the accommodating cavity, at least one through hole is vertically arranged in the moving seat, a pencil rod is connected in the through hole in a sliding manner, the balancing weight is arranged right above the pencil rod and is in contact with the pencil rod, and the bottom end part of the pencil rod is in contact with the test sample plate, the digital monitoring hardness module is electrically connected with a controller, and the controller is connected with a display.

Preferably, the digital hardness monitoring module comprises a standard hardness sheet, a pressure sensor and an acquisition module, wherein the pressure sensor is arranged at the bottom of the standard hardness sheet and is in contact with the standard hardness sheet, and the acquisition module is arranged above the side edge of the standard hardness sheet and is used for acquiring images on the periphery of the upper end face of the standard hardness sheet.

Preferably, the pencil grinding mechanism includes driving motor, even frame and rotatory sword, the driving motor transmission is connected even frame, rotatory sword fixed connection in even inboard of frame, rotatory sword slope sets up.

Preferably, the grudging post is located the same side of removal seat top is equipped with the spout, a tip of balancing weight is spacing to slide in the spout, the balancing weight sets up directly over the through-hole.

Preferably, a limiting jacket is arranged in the prefabricated counter bore.

Preferably, the workstation upper end is equipped with the stopper, test sample board sliding connection the stopper, the stopper symmetry sets up test sample board both sides.

Preferably, a chip removal port is formed in the bottom of the moving seat and communicated with the accommodating cavity, and an electric connector interface is arranged on the outer side of the moving seat and electrically connected with the digital hardness monitoring module.

Preferably, the prefabricated counter bores are provided with three.

The utility model has the advantages that: carry out automatic standardized grinding through pencil grinding mechanism, digital control hardness module carries out automatic standardized check-up pencil hardness, and usable linear actuator drives the grudging post, and the grudging post drives and removes the seat, removes the spacing pencil pole that drives of through-hole in the seat and rule at test sample board upper end, and the balancing weight is loaded in the pencil pole along with gravity, ensures that pencil pole contact test sample board is rule, the utility model discloses can effectively monitor pencil hardness, for the hardness test provides the condition, its practicality is strong.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

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

FIG. 2 is a cross-sectional view of the movable base of the present invention;

FIG. 3 is a schematic structural view of the movable seat of the present invention;

fig. 4 is a working principle diagram of the present invention.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1-4, the present embodiment provides an automatic standard grinding pencil hardness testing device, which includes a workbench 1, a guide rail seat 11 and a test sample plate 9 are disposed at an upper end of the workbench 1, the guide rail seat 11 is slidably connected to a vertical frame 3, a linear actuator 2 is mounted on the guide rail seat 11 along a sliding direction of the vertical frame 3, the linear actuator 2 is in transmission connection with the vertical frame 3, a moving seat 4 is fixedly connected to a side surface of the vertical frame 3, a balancing weight 5 is disposed at an upper end of the moving seat 4, and the balancing weight 5 is slidably connected to the vertical frame 3;

a plurality of prefabricated counter bores 41 are vertically arranged in the moving seat 4, each prefabricated counter bore 41 is provided with a containing cavity, a pencil grinding mechanism 6 and a digital monitoring hardness module 8 are arranged in the containing cavity, at least one through hole 42 is vertically arranged in the moving seat 4, a pencil rod 7 is connected in the through hole 42 in a sliding manner, a balancing weight 5 is arranged right above the pencil rod 7 and is contacted with the pencil rod, the bottom end part of the pencil rod 7 is contacted with a test sample plate 9, a sliding groove 31 is arranged on the same side surface of the vertical frame 3 above the moving seat 4, one end part of the balancing weight 5 slides in the sliding groove 31 in a limiting manner, the balancing weight 5 is arranged right above the through hole 42, three prefabricated counter bores 41 are arranged and can be matched with the grinding and hardness monitoring of three pencil rods 7, the size of the prefabricated counter bores 41 is not limited, the digital monitoring hardness module 8 is electrically connected with a controller, and the controller is connected with a display, the display is used for displaying hardness data of the pencil shaft 7 on a screen.

Specifically, digital monitoring hardness module 8 includes standard hardness piece 81, pressure sensor 82 and collection module 83, and pressure sensor 82 sets up in standard hardness piece 81 bottom and contact, and collection module 83 sets up the side top position at standard hardness piece 81 for gather the peripheral image of standard hardness piece 81 up end, the accessible display shows the collection image of collection module 83.

Optionally, the pencil grinding mechanism 6 includes a driving motor 61, a connecting frame 62 and a rotating knife 63, the driving motor 61 is connected with the connecting frame 62 in a transmission manner, the rotating knife 63 is fixedly connected to the inner side of the connecting frame 62, the rotating knife 63 is obliquely arranged, and the driving motor 61 is fixed to the bottom end of the accommodating cavity.

In some embodiments, a limiting jacket 43 is arranged in the preformed counterbore 41, and the limiting jacket 43 is used for fastening the pencil shaft 7 and reducing the undesirable deflection and displacement of the pencil shaft 7 during the grinding process.

In some embodiments, the upper end of the working table 1 is provided with a limiting block 12, the test sample plate 9 is slidably connected with the limiting block 12, the test sample plate 9 can be slid to change the test marking position of the pencil rod 7, and the limiting blocks 12 are symmetrically arranged on two sides of the test sample plate 9.

In some embodiments, a chip removal port 44 is formed at the bottom of the movable base 4, the chip removal port 44 is communicated with the accommodating cavity so as to remove waste chips generated by grinding the pencil shaft 7 from the accommodating cavity through the chip removal port 44, an electrical connector interface 45 is formed at the outer side of the movable base 4, and the electrical connector interface 45 is electrically connected with the digital hardness monitoring module 8.

The utility model discloses the theory of operation is as follows, in the grinding of pencil pole 7, the signal of driving motor 61 in the corresponding prefabricated counter bore 41 is started to the controller, drive even frame 62 and rotary knife 63 through driving motor 61 in proper order, in order to carry out automatic standardized grinding, and carry out automatic standardized check-up pencil hardness by digital monitoring hardness module 8, when the tip of pencil pole 7 is ground, the tip contact action standard hardness piece 81 of pencil pole 7, standard hardness transmits effort to pressure sensor 82, pressure sensor 82 converts pressure signal into the electric signal, output to the controller, the processing is translated into the hardness data about pencil pole 7, the display shows the collection image of collection module 83; when the pencil is tested and scribed, the controller starts the linear driver 2 to operate, the vertical frame 3 is driven by the linear driver 2, the vertical frame 3 drives the moving seat 4, the through hole 42 in the moving seat 4 is limited to drive the pencil rod 7 to scribe at the upper end of the test sample plate 9, the balancing weight 5 is loaded on the pencil rod 7 along with gravity, the pencil rod 7 is ensured to contact the test sample plate 9 for scribing, and the test sample plate 9 can directly slide between the limiting plates when the scribing test position of the test sample plate 9 is changed; to reflect the actual hardness of the test sample plate 9 with pencil hardness.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes and modifications can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (8)

1. The automatic standard grinding pencil hardness testing device is characterized by comprising a workbench, wherein a guide rail seat and a test sample plate are arranged at the upper end of the workbench, the guide rail seat is connected with a vertical frame in a sliding manner, a linear driver is installed on the guide rail seat along the sliding direction of the vertical frame and is in transmission connection with the vertical frame, a moving seat is fixedly connected to the side face of the vertical frame, a balancing weight is arranged at the upper end of the moving seat and is in sliding connection with the vertical frame, a plurality of prefabricated counter bores are vertically arranged in the moving seat, each prefabricated counter bore is provided with a containing cavity, a pencil grinding mechanism and a digital monitoring hardness module are installed in the containing cavity, at least one through hole is vertically arranged in the moving seat, a pencil rod is connected in the through hole in a sliding manner, and the balancing weight is arranged right above the pencil rod and is in contact with the pencil rod, the pencil pole bottom end contact test sample board, digital control hardness module electric connection has the controller, the controller is connected and is configured with the display.

2. The automated standard grinding pencil hardness testing device of claim 1, wherein: the digital hardness monitoring module comprises a standard hardness sheet, a pressure sensor and an acquisition module, wherein the pressure sensor is arranged at the bottom of the standard hardness sheet and is in contact with the standard hardness sheet, and the acquisition module is arranged above the side edge of the standard hardness sheet and is used for acquiring images on the periphery of the upper end face of the standard hardness sheet.

3. The automated standard grinding pencil hardness testing device of claim 1, wherein: the pencil grinding mechanism comprises a driving motor, a connecting frame and a rotary knife, the driving motor is in transmission connection with the connecting frame, the rotary knife is fixedly connected to the inner side of the connecting frame, and the rotary knife is arranged in an inclined mode.

4. The automated standard grinding pencil hardness testing device of claim 1, wherein: the grudging post is located the same side of removal seat top is equipped with the spout, a tip of balancing weight is spacing to slide in the spout, the balancing weight sets up directly over the through-hole.

5. The automated standard grinding pencil hardness test device of claim 1, wherein: and a limiting clamp sleeve is arranged in the prefabricated counter bore.

6. The automated standard grinding pencil hardness testing device of claim 1, wherein: the test sample plate is characterized in that a limiting block is arranged at the upper end of the workbench and is in sliding connection with the limiting block, and the limiting block is symmetrically arranged on two sides of the test sample plate.

7. The automated standard grinding pencil hardness testing device of claim 1, wherein: the bottom of the moving seat is provided with a chip removal port which is communicated with the accommodating cavity, and the outer side of the moving seat is provided with an electric connector interface which is electrically connected with the digital monitoring hardness module.

8. The automated standard grinding pencil hardness test device of claim 1, wherein: the number of the prefabricated counter bores is three.

Images