CN213364501U

CN213364501U - Pencil marking test device

Info

Publication number: CN213364501U
Application number: CN202022433330.3U
Authority: CN
Inventors: 侯淑娜
Original assignee: INTERTEK TESTING SERVICES Ltd
Current assignee: INTERTEK TESTING SERVICES Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-04
Anticipated expiration: 2030-10-28

Abstract

The utility model provides a pencil marking test device, including motor, lead screw, steering nut, gear, roller, support frame, pencil clamp, counter weight and percentage table, motor output shaft be connected with lead screw one end, the other end and the gear connection of lead screw, the pivot of gear and roller be connected, steering nut locate on the lead screw, the support frame be connected with steering nut, pencil clamp and counter weight locate in the support frame, the pencil clamp be located the roller top, the percentage table be connected with the pencil clamp. The utility model provides a pencil marking test device can write under load, the speed of settlement, and the state when simulation pencil uses verifies the wearing and tearing performance of pencil core, and the difference to the test sample's of difference can obviously truly embody out. Compact structure, stable speed, safety and reliability, simple operation, firmness and durability.

Description

Pencil marking test device

Technical Field

The utility model relates to a pencil marking off testing arrangement technical field.

Background

As a fast stationery consumable, the pencil has huge use amount, the brand on the market flowers all the time, the pencils with different qualities can be inevitably produced, and the wear resistance of the pencil lead directly influences the durability of the pencil.

The marking and writing capacity of the pencil, namely the writing abrasion rate, is an important index for measuring the quality of the pencil, so that the development of a set of pencil marking testing device is extremely necessary, a guiding direction can be provided for the production quality of a factory, and high-quality product guarantee is provided for consumers in the market.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pencil wear resistance testing arrangement to judge whether its performance of writing meets the requirements.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a pencil marking test device, includes motor, lead screw, steering nut, gear, roller, support frame, pencil clamp, counter weight and percentage table, motor output shaft be connected with lead screw one end, the other end and the gear connection of lead screw, the pivot of gear and roller be connected, steering nut locate on the lead screw, the support frame be connected with steering nut, pencil clamp and counter weight locate in the support frame, the pencil clamp be located the roller top, the percentage table be connected with the pencil clamp.

Further, the output shaft of the motor is connected with the screw rod through a synchronous belt; furthermore, the motor output shaft is provided with a motor belt pulley, the screw rod is provided with a screw rod belt pulley, and the synchronous belt is sleeved on the motor belt pulley and the screw rod belt pulley.

Further, the gear include driving gear and driven gear, the driving gear be connected with the lead screw, driven gear be connected with the roller, driving gear and driven gear meshing contact are connected.

Further, the pencil marking test device further comprises a base, and the motor 1, the lead screw and the roller are respectively arranged on the base.

Furthermore, the pencil marking test device also comprises a guide rod which is arranged on the base and is parallel to the screw rod; the steering nut is arranged on the guide rod at the same time.

The utility model has the advantages that:

the utility model provides a pencil marking test device can write under load, the speed of settlement, and the state when simulation pencil uses verifies the wearing and tearing performance of pencil lead. Meanwhile, the device can load weights, set the rotating speed, the transverse feeding speed and the number of turns and replace white paper on the roller, the rotating speed and the feeding amount are stable through the same power and the fixed mechanical transmission ratio, different pencils can be tested under the same condition, and the difference of different test samples can be reflected obviously and really.

The utility model provides a pencil marking test device can simulate the situation of writing of pencil on the white paper, verifies the wearing and tearing length of pencil core, and the repeatability and the reproducibility of test all have fine assurance. Compact structure, stable speed, safety and reliability, simple operation, firmness and durability.

The present disclosure is further illustrated by the following figures and examples.

Drawings

Fig. 1 is one of schematic structural diagrams of a pencil scribing testing apparatus according to an embodiment of the present invention.

Fig. 2 is a second schematic structural view of a pencil scribing testing device according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of the pencil scribing testing device according to the embodiment of the present invention when the machine cover is covered on both sides.

Description of reference numerals:

1 motor, 2 lead screw and 3 steering nut

4-gear, 401 driving gear, 402 driven gear

5 rollers, 6 support frames, 7 pencil clamps, 8 counterweight weights, 9 dial indicators and 10 synchronous belts

11 motor belt wheel, 12 screw rod belt wheel, 13 base and 14 guide rod

Detailed Description

It is to be understood that the specific embodiments described herein are merely illustrative of the principles of this patent and are not limiting of the principles of this patent which may be claimed. It should be noted that, for convenience of description, only some structures related to the technical solution of the present disclosure are shown in the drawings, not all structures.

Before discussing exemplary embodiments in greater detail, it should be noted that the structures of the device components and/or the modules themselves mentioned in the embodiments, if not specified in detail, are those that can be understood or commercially available to those skilled in the art in light of the present disclosure.

As shown in fig. 1-3, the utility model provides a pencil marking test device, including motor 1, lead screw 2, steering nut 3, gear 4, roller 5, support frame 6, pencil clamp 7, counter weight 8 and percentage table 9, 1 output shaft of motor be connected with 2 one ends of lead screw, the other end and the gear 4 of lead screw 2 be connected, gear 4 be connected with roller 5's pivot, steering nut 3 locate on lead screw 2, support frame 6 be connected with steering nut 3, pencil clamp 7 and counter weight 8 locate in the support frame 6, pencil clamp 7 be located roller 5 top, percentage table 9 be connected with pencil clamp 7.

In one of the realizable schemes, the output shaft of the motor 1 is connected with the screw rod 2 through a synchronous belt 10. In a further preferred scheme, an output shaft of the motor 1 is provided with a motor belt pulley 11, the screw rod 2 is provided with a screw rod belt pulley 12, and the synchronous belt 10 is sleeved on the motor belt pulley 11 and the screw rod belt pulley 12.

In one preferred scheme, the gear 4 comprises a driving gear 401 and a driven gear 402, the driving gear 401 is connected with the screw rod 2, the driven gear 402 is connected with the roller 5, and the driving gear 401 and the driven gear 402 are in meshing contact connection.

In an optional scheme, the pencil marking test device further comprises a base 13, and the motor 1, the lead screw 2 and the roller 5 are respectively arranged on the base 13.

In a preferred embodiment, the pencil marking test device further comprises a guide rod 14, which is arranged on the base 13 and parallel to the screw rod 2; the steering nut 3 is also arranged on the guide rod 14.

Use the embodiment of the utility model provides a during pencil marking test device, the step is as follows:

1) the writing white paper is fixed on the surface of the roller 5.

2) The support frame 6 is lifted up to the rear, the steering nut is rotated on the guide bar 14 to be separated from the screw 2, and then the support frame is moved to the starting position of the left end of the drum 5.

3) And (3) putting the pencil to be tested into the sample clamp 7, assembling a counterweight 8, slightly placing the lower support frame 6, engaging the steering nut with the screw rod 2, and resetting the dial indicator.

4) And setting the number of rotation turns, starting the test, stopping the machine after the test times are reached, and recording the reading of the dial indicator, wherein the data is the abrasion data of the test pencil sample.

Claims

1. The utility model provides a pencil marking testing arrangement which characterized in that: including motor (1), lead screw (2), steering nut (3), gear (4), roller (5), support frame (6), pencil clamp (7), counter weight (8) and percentage table (9), motor (1) output shaft be connected with lead screw (2) one end, the other end and gear (4) of lead screw (2) be connected, gear (4) and roller (9)

(5) The rotating shafts are connected, the steering nut (3) is arranged on the screw rod (2), and the supporting frame

(6) Be connected with steering nut (3), pencil clamp (7) and counter weight (8) locate in support frame (6), pencil clamp (7) be located roller (5) top, percentage table (9) be connected with pencil clamp (7).

2. The pencil scribe testing apparatus of claim 1, wherein: the output shaft of the motor (1) is connected with the screw rod (2) through a synchronous belt (10).

3. The pencil scribe testing apparatus of claim 2, wherein: the output shaft of the motor (1) is provided with a motor belt pulley (11), the screw rod (2) is provided with a screw rod belt pulley (12), and the synchronous belt (10) is sleeved on the motor belt pulley (11) and the screw rod belt pulley (12).

4. The pencil scribe testing apparatus of claim 1, wherein: the gear (4) comprises a driving gear (401) and a driven gear (402), the driving gear (401) is connected with the screw rod (2), the driven gear (402) is connected with the roller (5), and the driving gear (401) is in meshed contact with the driven gear (402).

5. The pencil scribe testing apparatus of claim 1, wherein: the automatic feeding device is characterized by further comprising a base (13), wherein the motor (1), the screw rod (2) and the roller (5) are arranged on the base (13) respectively.

6. The pencil scribe testing apparatus of claim 1, wherein: the guide rod (14) is arranged on the base (13) and is parallel to the screw rod (2); the steering nut (3) is arranged on the guide rod (14) at the same time.