A kind of auxiliary device for benchwork skill identification
By introducing a timer and an audio reminder structure into the fitter skills assessment device, combined with the writing board and upright board blocking functions, the problem of existing devices being unable to record scores and prevent cheating during assessment has been solved, achieving a more efficient and transparent assessment process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHONG HAI HAI NAN FA DIAN YOU XIAN GONG SI
- Filing Date
- 2025-06-23
- Publication Date
- 2026-07-31
AI Technical Summary
Existing auxiliary devices for fitter workpiece processing cannot effectively help examiners record scores and supervise examinations during fitter skill assessments, and lack anti-cheating functions, affecting assessment efficiency and accuracy.
An auxiliary device for fitter skill assessment was designed, comprising a timer, an audio reminder structure, a writing board, a multifunctional fitter auxiliary structure, and a vertical plate shielding structure. Through timed reminders, scoring records, and anti-peeping design, the transparency and accuracy of the assessment process are improved.
It enables effective time management and scoring records during the fitter skills assessment process, prevents cheating, and improves the transparency and functionality of the assessment process.
Smart Images

Figure CN224581939U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fitter technology, specifically to an auxiliary device for fitter skill assessment. Background Technology
[0002] Fitter work is the oldest metal processing technology in mechanical manufacturing. Although the development and popularization of machine tools have gradually made most fitter work mechanized and automated, fitter work is still a widely used basic technology in the mechanical manufacturing process. Therefore, fitter work is particularly important in the machinery industry, especially since many college students will receive fitter training during their metalworking internships at university.
[0003] For example, the authorization announcement number "CN203019336U" is titled "An Auxiliary Device for Benchwork Processing," which can correct the working posture and movements of trainees and improve work efficiency. This utility model has the characteristics of simple structure, meeting design requirements, easy operation, and high applicability. However, while existing auxiliary devices for benchwork processing are convenient for trainees to practice benchwork operations, they are not suitable for assessing benchwork skill proficiency. Benchwork skill assessment is similar to an exam, requiring an invigilator to observe the benchworker's machining process. During the exam, the benchworker needs to keep track of the processing time to complete the operation within the specified time. The invigilator also needs to score and record the benchworker's actual steps and assessment process. Thus, existing auxiliary devices for benchwork processing lack the ability to help benchworkers manage time during the exam and are inconvenient for invigilators to record and score, making them unsuitable for assessing benchwork skills.
[0004] Meanwhile, existing auxiliary devices for fitter workpiece processing only have the function of helping fitter operators to position themselves to ensure accurate posture, as well as basic functions such as clamping with a vise. They are somewhat inadequate for professional fitter skill assessments, lacking more auxiliary functions to facilitate use by fitter operators, thus affecting the low usability of auxiliary devices for fitter workpiece processing. Summary of the Invention
[0005] The purpose of this utility model is to solve the problems of inconvenience and low functionality of auxiliary devices used for fitter workpiece processing in fitter skill assessment, and to propose an auxiliary device for fitter skill assessment.
[0006] To achieve the above objectives, this utility model provides the following technical solution: Design an auxiliary device for fitter skill assessment, including a base, mounting bolts and an extension plate. Multiple mounting bolts are threadedly connected to the top of the base. A fitter's bench vise clamping structure is movably provided on the top of the base. A skill assessment auxiliary structure is provided at the front end of the extension plate. A multi-functional fitter auxiliary structure is provided on the inner side of the base. Vertical plate shielding structures are provided on both sides of the base.
[0007] Preferably, the skill assessment auxiliary structure includes a timer and a writing board. The timer is fixedly installed on the front end of the outer wall of the extension plate, and a broadcast reminder structure is fixedly installed on the other side of the outer wall of the extension plate. The timer and the broadcast reminder structure are electrically connected. The writing board is fixedly installed on the front side of the extension plate, and a connecting hook is fixedly installed on the top of the side wall of the extension plate. An elastic rope is movably connected below the connecting hook, and a writing pen is movably connected to the lower end of the elastic rope.
[0008] Preferably, the multifunctional fitter's auxiliary structure includes a base plate and a partition frame. The base plate is fixedly connected to the inner side of the base, and multiple partition frames are fixedly installed on the top of the base plate. A fitter's tool placement slot is fixedly opened on the top of the multiple partition frames.
[0009] Preferably, the upright panel shielding structure includes connecting columns and upright panels. Multiple connecting columns are fixedly installed on both sides of the outer wall of the base, and upright panels are fixedly installed on the other side of the multiple connecting columns. Adhesive blocks are fixedly connected to the lower inner sides of two upright panels. A magnetic suction plate is fixedly installed on one inner wall of the upright panel, and multiple magnets are movably connected above the magnetic suction plate.
[0010] Preferably, the outer wall of the other end of the upright plate is fixedly connected to one side of the extension plate, and the inner sides of the two bonding blocks are fixedly connected to the top of the base.
[0011] Preferably, the bench vise clamping structure includes a clamping seat and a screw. The clamping seat is movably connected to the top of the base. The outer side of the clamping seat is threadedly connected to multiple mounting bolts. A fixed chuck is fixedly connected to the top of the clamping seat. A screw is rotatably connected to the inside of one side of the clamping seat. A movable block is threadedly connected to the outer side of the screw. A movable chuck is fixedly installed at the top of the movable block. Two limiting grooves are fixedly formed on the side wall of the movable block. Limiting strips are slidably connected to the outer sides of the two limiting grooves. The two limiting strips are fixedly connected to the inside of the clamping seat.
[0012] The auxiliary device for fitter skill assessment proposed in this utility model has the following advantages: When conducting fitter skill assessment, the examiner can manually set the time allotted for the fitter to the timer. Then, during the fitter operation, after the preset time is reached, the circuit will activate the audio reminder structure to produce a clear sound, reminding the fitter and the examiner to pay attention to the time. The writing board is designed to facilitate the examiner in writing the fitter's exam score and operation evaluation content. With the additional timer and examiner scoring structure, this device is more suitable for assessing fitter skill proficiency and improves the effectiveness of the auxiliary device for fitter skill assessment.
[0013] The connecting column, in conjunction with the upper bonding block, can be welded to both sides of the base for fixation. The two vertical force plates can prevent peeping during the fitter's exam, ensuring a transparent and open assessment process. When a magnet approaches the magnetic plate, it will be attracted and fixed there, making it convenient for fitters to fix the drawings on the magnetic plate, facilitating quick viewing of the drawings and completion of operations. Thus, the auxiliary device for fitter's skill assessment also has the functions of preventing cheating and peeping, and facilitating the pasting of drawings, improving the functionality of the auxiliary device for fitter's skill assessment. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 for Figure 1 A frontal sectional view; Figure 3 for Figure 2 Top view diagram; Figure 4 for Figure 2 Enlarged view of part A; Figure 5 for Figure 2 Enlarged view of part B; Figure 6 for Figure 2 Enlarged view of part C.
[0015] In the diagram: 1. Base, 2. Mounting bolt, 3. Extension plate, 4. Bench vise clamping structure, 41. Clamping seat, 42. Movable block, 43. Screw, 44. Limiting strip, 45. Limiting groove, 46. Movable chuck, 47. Fixed chuck, 5. Skill assessment auxiliary structure, 51. Timer, 52. Broadcast reminder structure, 53. Connecting hook, 54. Elastic rope, 55. Writing pen, 56. Writing board, 6. Multifunctional bench auxiliary structure, 61. Base plate, 62. Divider, 63. Bench tool storage slot, 7. Vertical plate shielding structure, 71. Connecting column, 72. Adhesive block, 73. Vertical plate, 74. Magnetic plate, 75. Magnet. Detailed Implementation
[0016] The present invention will be further described below with reference to the accompanying drawings: Example
[0017] Please see Figure 1-6 In this embodiment, an auxiliary device for fitter skill assessment includes a base 1, mounting bolts 2, and an extension plate 3. Multiple mounting bolts 2 are threadedly connected to the top of the base 1 and can be screwed into the top of the base 1 to install and fix the clamping seat 41. A fitter's bench vise clamping structure 4 is movably provided on the top of the base 1. A skill assessment auxiliary structure 5 is provided at the front end of the extension plate 3. A multi-functional fitter auxiliary structure 6 is provided on the inner side of the base 1. A vertical plate shielding functional structure 7 is provided on both sides of the base 1.
[0018] The skills assessment auxiliary structure 5 includes a timer 51 and a writing board 56. The timer 51 is fixedly installed on the front end of the outer wall of the extension plate 3. The timer 51 can be a manually timed alarm clock, which is a mature existing technology. A broadcast reminder structure 52 is fixedly installed on the other side of the outer wall of the extension plate 3. The timer 51 is electrically connected to the broadcast reminder structure 52. The broadcast reminder structure 52 is a buzzer connected to the timer 51 through a circuit. When conducting fitter skills assessment, the examiner can manually set the time allocated to the fitter skills assessor to the timer 51.
[0019] Then, during the fitter's operation, the timer 51 will work normally. After the preset time is reached, the circuit will activate the sound reminder structure 52 to produce a clear sound, reminding the fitter and the examiner to notice the time. The writing board 56 is fixedly installed on the front side of the extension board 3. The writing board 56 is designed to facilitate the examiner to write the fitter's test scores and operation evaluation content. The top of the side wall of the extension board 3 is fixedly installed with a connecting hook 53. The lower part of the connecting hook 53 is movably connected with an elastic rope 54. The elastic rope 54 is made of a rubber band that can be stretched and shortened. The elastic rope 54 hangs the writing board 55 used for writing scores below the connecting hook 53, which can reduce the problem of the writing board 55 falling. The lower end of the elastic rope 54 is movably connected with a writing pen 55. The timer 51 can be a manually timed alarm clock. The announcement reminder structure 52 is a buzzer connected to the timer 51 via a circuit. When conducting fitter skill assessment, the examiner can manually set the time allocated to the fitter skill assessment personnel to the timer 51. During the fitter operation, the timer 51 will work normally. After the preset time is reached, the announcement reminder structure 52 will be activated via a circuit to produce a clear sound, reminding the fitter and the examiner to notice the time. The writing board 56 is designed to facilitate the examiner's writing of fitter exam scores and operation evaluation content. The elastic rope 54 can be made of a stretchable rubber band. The elastic rope 54 hangs the writing board 55, which is used for writing scores, below the connecting hook 53, which can reduce the problem of the writing board 55 falling. In this way, with the additional timer and examiner scoring structure, it is more suitable for use in the assessment of fitter skill proficiency, improving the effectiveness of the auxiliary device for fitter skill assessment.
[0020] The multi-functional fitter's auxiliary structure 6 includes a base plate 61 and a divider frame 62. The base plate 61 is welded to the middle of the bottom of the base 1 and is fixedly connected to the inner side of the base 1. Multiple divider frames 62 are fixedly installed on the top of the base plate 61. The divider frames 62 are made of stainless steel metal frames and are installed on the top of the base plate 61 by welding. Multiple spaces of similar size are opened on the inner side of the multiple divider frames 62 as fitter tool storage slots 63. Various saw blades, knives, planers, calipers, drill bits, etc. used by fitters can be classified and placed in the fitter tool storage slots 63 for easy access and use during the inspection process. The fitter tool storage slots 63 are fixedly opened on the top of the multiple divider frames 62.
[0021] The upright plate shielding structure 7 includes connecting columns 71 and upright plates 73. Multiple connecting columns 71 are fixedly installed on both sides of the outer wall of the base 1, and upright plates 73 are fixedly installed on the other side of the multiple connecting columns 71. The connecting columns 71, together with the upper adhesive blocks 72, can be welded to the upper sides of the base 1 for fixation. The two vertically erected plates 73 can shield the fitter from peeping during the fitter's examination, ensuring that the assessment process is transparent and open. The lower inner side of the two upright plates 73 is fixedly connected to the adhesive blocks 72, and a magnetic suction plate 74 is fixedly installed on one inner wall of the upright plate 73.
[0022] Multiple magnets 75 are movably connected above the magnetic plate 74. The magnetic plate 74 is made of iron. When the multiple magnets 75 are close to the magnetic plate 74, they will be attracted and fixed on it by magnetic attraction. This makes it convenient for the fitter to fix the drawing on the magnetic plate 74, which is conducive to quickly viewing the drawing and completing the operation. The outer wall of the other end of the vertical plate 73 is fixedly connected to one side of the extension plate 3. The inner sides of the two bonding blocks 72 are fixedly connected to the top of the base 1.
[0023] The base plate 61 is welded to the center below the base 1. The partition frame 62 is made of stainless steel metal frame and is installed on the base plate 61 by welding. Various saw blades, knives, planers, calipers, drill bits, etc. used by fitters can be classified and placed in the fitter tool storage slot 63 for easy access during the assessment process. At the same time, the connecting column 71, together with the upper bonding block 72, can be welded to the upper sides of the base 1 for fixation. The two vertical force plates 73 can prevent fitters from peeking during the exam, ensuring the transparency and openness of the assessment process. When the magnet 75 is close to the magnetic plate 74, it will be attracted and fixed to it by magnetic attraction. This makes it convenient for fitters to fix the drawings on the magnetic plate 74, which is conducive to quickly viewing the drawings and completing the operation. Thus, the auxiliary device for fitter skill assessment also has the functions of preventing cheating and peeping and facilitating the pasting of drawings, improving the functionality of the auxiliary device for fitter skill assessment.
[0024] Working principle: When using auxiliary devices for fitter skill assessment, the base of the auxiliary device is installed in the examination room. A fitter to be assessed and a qualified examiner are positioned before and after each auxiliary device. The fitter clamps and fixes the workpiece on the base using a standardized clamping structure. Then, with the aid of auxiliary cutting tools, the fitter completes the examination of the names, uses, and maintenance methods of common measuring instruments; metal cutting principles and basic knowledge of cutting tools; general mechanical working principles and CNC machine tool basics. The fitter also needs to complete practical exercises in the use of common measuring instruments, metal cutting and cutting tool usage, assembly, adjustment, and maintenance of mechanical equipment and related parts processing, and the fabrication and use of tooling fixtures. This process enables the assessment of the fitter's skill mastery. Auxiliary structure for skill assessment examination of auxiliary devices for fitter skills assessment: The timer 51 can be a manually timed alarm clock. The announcement reminder structure 52 is a buzzer connected to the timer 51 via a circuit. When conducting fitter skill assessment, the examiner can manually set the time allocated to the fitter skill assessment personnel to the timer 51. During the fitter operation, the timer 51 will work normally. After the preset time is reached, the announcement reminder structure 52 will be activated via a circuit to produce a clear sound, reminding the fitter and the examiner to notice the time. The writing board 56 is designed to facilitate the examiner in writing fitter exam scores and operation evaluation content. The elastic rope 54 can be made of a rubber band that can be stretched and shortened. The elastic rope 54 hangs the writing board 55 used for writing scores below under the connecting hook 53, which can reduce the problem of the writing board 55 falling off. The multi-functional structure of auxiliary devices for fitter skill assessment: The base plate 61 is welded to the center below the base 1. The divider 62 is made of stainless steel metal frame and is installed on the base plate 61 by welding. Various saw blades, knives, planers, calipers, drill bits, etc. used by the fitter can be classified and placed in the fitter's tool storage slot 63 for easy access during the assessment process. At the same time, the connecting column 71, together with the upper fitting block 72, can be welded to the upper sides of the base 1 for fixation. The two vertical force plates 73 can prevent the fitter from peeking during the examination, ensuring the transparency and openness of the assessment process. When the magnet 75 is close to the magnetic plate 74, it will be attracted and fixed to it by magnetic attraction. This makes it convenient for the fitter to fix the drawings on the magnetic plate 74, which is conducive to quickly viewing the drawings and completing the operation. Example
[0025] Please see Figure 1-6 In this embodiment, an auxiliary device for fitter skill assessment also includes a fitter's bench vise clamping structure 4, which includes a clamping seat 41 and a screw 43. The clamping seat 41 is movably connected to the top of the base 1. The outer side of the clamping seat 41 is threadedly connected to a plurality of mounting bolts 2. The clamping seat 41 can be fixedly connected to the base 1 through the plurality of mounting bolts 2 on the outer side. A fixed chuck 47 is fixedly connected to the top of the clamping seat 41. The screw 43 is rotatably connected to the inside of one side of the clamping seat 41. The screw 43 can be rotated manually. The outer side of the screw 43 is threadedly connected to a movable block 42. When the screw 43 rotates, it can drive the movable block 42 threadedly connected to the outer side to slide towards the clamping seat 41.
[0026] A movable chuck 46 is fixedly installed at the top of the movable block 42. The movable block 42 drives the upper movable chuck 46 to slide closer to the fixed chuck 47 to clamp and fix the workpiece being processed by the fitter. Two limiting grooves 45 are fixedly opened on the side wall of the movable block 42. Limiting strips 44 are slidably connected to the outer side of the two limiting grooves 45. During the sliding process of the movable block 42, the two limiting grooves 45 can slide and match the limiting strips 44, which can prevent the movable block 42 from spinning freely. The two limiting strips 44 are fixedly connected to the inside of the clamping seat 41.
[0027] Working principle: The clamping seat 41 can be fixedly connected to the base 1 by multiple mounting bolts 2 on the outside. The screw 43 can be rotated manually. When the screw 43 rotates, it can drive the movable block 42 connected to the outer thread to slide towards the clamping seat 41. The movable block 42 drives the upper movable chuck 46 to slide towards the fixed chuck 47, which can clamp and fix the workpiece being processed by the fitter. During the sliding of the movable block 42, the limiting grooves 45 on both sides can slide and match with the limiting strip 44, which can prevent the movable block 42 from spinning freely.
[0028] Although the present invention has been illustrated and described with reference to preferred embodiments, those skilled in the art should understand that various changes in form and detail are possible within the scope of the claims.
Claims
1. A kind of auxiliary device for identifying benchwork skill, including base (1), mounting bolt (2) and extension plate (3), multiple mounting bolt (2) is threadedly connected in the upper of base (1), it is characterized in that: The base (1) is provided with a fitter's bench clamping structure (4) on its upper part, the extension plate (3) is provided with a skill assessment auxiliary structure (5) at its front end, the base (1) is provided with a multi-functional fitter's auxiliary structure (6) on its inner side, and the base (1) is provided with a vertical plate shielding structure (7) on both sides.
2. The auxiliary device for identifying filemaker's skills according to claim 1, characterized in that: The skill assessment auxiliary structure (5) includes a timer (51) and a writing board (56). The timer (51) is fixedly installed on the front end of the outer wall of the extension plate (3). A broadcast reminder structure (52) is fixedly installed on the other side of the outer wall of the extension plate (3). The timer (51) is electrically connected to the broadcast reminder structure (52). The writing board (56) is fixedly installed on the front side of the extension plate (3). A connecting hook (53) is fixedly installed on the top of the side wall of the extension plate (3). An elastic rope (54) is movably connected below the connecting hook (53). A writing pen (55) is movably connected to the lower end of the elastic rope (54).
3. The auxiliary device for identifying filemaker's skills according to claim 1, characterized in that: The multifunctional fitter's auxiliary structure (6) includes a base plate (61) and a partition frame (62). The base plate (61) is fixedly connected to the inner side of the base (1). Multiple partition frames (62) are fixedly installed on the top of the base plate (61). A fitter's tool placement slot (63) is fixedly opened on the top of the multiple partition frames (62).
4. The auxiliary device for identifying filemaker's skills according to claim 1, characterized in that: The upright shielding structure (7) includes connecting columns (71) and upright plates (73). Multiple connecting columns (71) are fixedly installed on both sides of the outer wall of the base (1). Upright plates (73) are fixedly installed on the other side of the multiple connecting columns (71). Adhesive blocks (72) are fixedly connected to the inner side of the lower end of the two upright plates (73). A magnetic suction plate (74) is fixedly installed on one side of the inner wall of the upright plate (73). Multiple magnets (75) are movably connected above the magnetic suction plate (74).
5. The auxiliary device for identifying filemaker's skills according to claim 4, characterized in that: The outer wall of the other end of the vertical plate (73) is fixedly connected to one side of the extension plate (3), and the inner sides of the two bonding blocks (72) are fixedly connected to the top of the base (1).
6. The auxiliary device for testing benchwork skills according to claim 1, characterized in that: The bench vise clamping structure (4) includes a clamping seat (41) and a screw (43). The clamping seat (41) is movably connected to the top of the base (1). The outer side of the clamping seat (41) is threadedly connected to a plurality of mounting bolts (2). A fixed chuck (47) is fixedly connected to the top of the clamping seat (41). A screw (43) is rotatably connected to the inside of one side of the clamping seat (41). A movable block (42) is threadedly connected to the outer side of the screw (43). A movable chuck (46) is fixedly installed at the top of the movable block (42). Two limiting grooves (45) are fixedly opened on the side wall of the movable block (42). Limiting strips (44) are slidably connected to the outer side of the two limiting grooves (45). The two limiting strips (44) are fixedly connected to the inside of the clamping seat (41).