CN217020355U

CN217020355U - Workpiece scribing device for mechanical teaching

Info

Publication number: CN217020355U
Application number: CN202220864613.XU
Authority: CN
Inventors: 盘建
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-07-22
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a workpiece scribing device for mechanical teaching, which belongs to the technical field of auxiliary tools for mechanical teaching and comprises a base plate, a box body and a U-shaped frame, wherein the box body and the U-shaped frame are fixedly arranged on the base plate; the rotary table is rotated to drive the rotary shaft to rotate, the rotary shaft drives the transmission shaft through the mutually meshed worm gears and the screw fixedly connected with the transmission shaft to rotate, the first sliding block arranged on the outer surface of the screw thread can move up and down, the scribing assembly can be driven to move up and down, the height of the scribing device can be adjusted up and down, and the rotary table is simple in structure, strong in mechanical linkage and convenient to use.

Description

Workpiece scribing device for mechanical teaching

Technical Field

The utility model belongs to the technical field of auxiliary tools for mechanical teaching, and particularly relates to a workpiece scribing device for mechanical teaching.

Background

Mechanical equipment is widely applied to daily production life of people, so that the current mechanical teaching not only focuses on teaching theoretical knowledge of students, but also focuses on training and culturing practical operation capacity of students, and scribing is an important process in machining and is widely applied to single-piece or small-batch production.

The existing marking device is incomplete in function, needs to be matched with manual assistance to mark by utilizing various measuring and positioning tools when in use, is relatively troublesome in operation and low in working efficiency, and can not meet the marking operation among multiple directions and different angles due to the fact that the measuring tools shake easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a workpiece scribing device for mechanical teaching, which solves the problems that the conventional scribing device in the background art is incomplete in function, needs various measuring and positioning tools to be matched with manual assistance for scribing when in use, is troublesome in operation and low in working efficiency, and cannot meet the scribing operation in multiple directions and different angles due to low scribing accuracy caused by shaking of the measuring tools.

In order to achieve the purpose, the utility model provides the following technical scheme: a workpiece marking device for mechanical teaching comprises a base plate, a box body and a U-shaped frame, wherein the box body and the U-shaped frame are fixedly installed on the base plate, a clamping assembly is arranged in the box body, a sliding groove is formed in the top of the box body, a clamping block matched with the clamping assembly for use is installed in the sliding groove, two fixing blocks are fixedly installed on one side, close to the U-shaped frame, of the upper surface of the base plate, a rotating shaft is rotatably installed between opposite surfaces of the two fixing blocks, two screw rods are rotatably installed on the inner wall of the U-shaped frame, the other ends of the two screw rods are respectively and fixedly connected with two transmission shafts rotatably installed on the upper surface of the base plate, worm wheels are arranged on the two transmission shafts, worms meshed with the two worm wheels are installed on the rotating shaft, the same first sliding block is installed on the outer surface threads of the two screw rods, and a sliding sleeve is arranged on the outer surface of the first sliding block in a sliding manner, the front of sliding sleeve is installed angle adjusting part and is provided with T shape pole through angle adjusting part, all be provided with the scale on the upper surface of T shape pole and first slider, the other end of T shape pole is provided with the subassembly of drawing a line.

By adopting the scheme, the rotating shaft rotates, the worm and the worm wheel which are meshed with each other drive the transmission shaft and the screw fixedly connected with the transmission shaft to rotate, the first sliding block arranged on the outer surface of the screw thread can move up and down, the scribing component can be driven to move up and down, and the height of the scribing device can be adjusted up and down.

As a preferred embodiment, the clamping assembly comprises a bidirectional screw rod and two second sliding blocks, the bidirectional screw rod is rotatably installed on the inner wall of the box body, the two second sliding blocks are respectively installed on two sections of threads of the bidirectional screw rod in a threaded mode, connecting columns are fixedly installed on the upper surfaces of the second sliding blocks, the top ends of the connecting columns penetrate through the sliding grooves and are fixedly connected with the clamping blocks, and a knob is fixed to one end of the bidirectional screw rod.

By adopting the scheme, the rotary knob drives the bidirectional screw rod to rotate by arranging the clamping component, the bidirectional screw rod rotates to drive the second sliding blocks which are respectively arranged on the two sections of threads of the bidirectional screw rod to be close to or away from each other, and then the connecting column drives the clamping blocks on the box body to synchronously move, so that the clamping and fixing and the fixing release of the workpiece are realized, the device is more stable, and the accuracy and the stability of the scribing device are improved.

As a preferred embodiment, sliding rods are fixedly mounted in the box bodies on the two sides of the bidirectional screw rod, and two ends of the second sliding block are respectively slidably mounted on the outer surfaces of the two sliding rods.

By adopting the scheme, the stability of the two-way screw rod when the second sliding block is driven to slide can be improved by respectively slidably mounting the two ends of the second sliding block on the two sliding rods.

As a preferred embodiment, the angle adjusting component comprises a U-shaped block, an angle scale and an outer barrel, the U-shaped block is fixedly arranged on the front face of the sliding sleeve, the angle scale is fixedly arranged on the upper surface of the U-shaped block, and the outer barrel is movably connected in a groove of the U-shaped block through a pin shaft.

By adopting the scheme, when the arc line needs to be drawn, the outer barrel is rotated, and the arc line with different lengths and different angles can be drawn by matching the angle scale, so that the purpose of drawing the arc line with different angles in different directions can be realized.

As a preferred embodiment, a first spring is arranged in the barrel of the outer barrel, the T-shaped rod is slidably mounted in the outer barrel, and two ends of the first spring are fixedly connected with the inner wall of the outer barrel and the T-shaped rod respectively.

By adopting the scheme, the first spring is arranged in the barrel of the outer barrel, so that the T-shaped rod can be conveniently and quickly reset, next marking operation is facilitated, and the working efficiency is improved.

As a preferred embodiment, the scribing assembly comprises a limiting frame and a pressing sheet, the limiting frame is fixedly mounted on the lower surface of one end of the T-shaped rod, a second spring is arranged in the limiting frame, two ends of the second spring are respectively fixedly connected with the pressing sheet and the T-shaped rod, and a scribing pen is fixedly mounted on the lower surface of the pressing sheet in a manner of extending out of the limiting frame.

By adopting the scheme, the second spring is installed at one end of the scribing pen, so that the scribing operation on the workpiece with the uneven outer surface can be realized, and the accuracy of the scribing device and the diversity of the applicable workpiece range are improved.

Compared with the prior art, the utility model has the beneficial effects that:

the workpiece scribing device for mechanical teaching is matched with a worm wheel and a worm for use, a rotating turntable is rotated to drive a rotating shaft to rotate, the rotating shaft drives a transmission shaft and a screw fixedly connected with the transmission shaft to rotate through the worm wheel and the worm which are mutually meshed, a first slide block arranged on the outer surface of a screw thread can be driven to move up and down, and a scribing component can be driven to move up and down, so that the height of the scribing device can be adjusted up and down, the structure is simple, the mechanical linkage is strong, the use is convenient, by arranging a clamping component, a rotary knob drives a bidirectional screw rod to rotate, the bidirectional screw rod rotates to drive second slide blocks respectively arranged on two sections of threads of the bidirectional screw rod to mutually approach or keep away, and then a connecting column is used for driving clamping blocks on a box body to synchronously move, thereby clamping and fixing releasing of workpieces are realized, and the device is more stable, the accuracy and the stability of the scribing device are improved;

this workpiece scribing device for mechanical teaching is through setting up angle scale and T shape pole, the sliding sleeve longitudinal motion on first slider, can drive the subassembly longitudinal movement of ruling, T shape pole slidable mounting can drive the subassembly lateral shifting of ruling in the urceolus, and the upper surface of T shape pole and first slider all is provided with the scale, thereby can realize the accuracy of the different length of equidirectional not ruling, when needs draw the pitch arc, rotate the urceolus, the pitch arc of the different angle of different length can be realized drawing to the angle scale of deuterogamying, thereby can realize the purpose of drawing the straight line and the pitch arc of the different angle of different length equidirectional not, application scope is wide, high durability and convenient use.

Drawings

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

FIG. 2 is a schematic view of a clamping assembly of the present invention;

FIG. 3 is a schematic view of the angle adjustment assembly of the present invention;

FIG. 4 is a schematic view of the scribe assembly of the present invention;

fig. 5 is a schematic view of the worm gear of the present invention.

In the figure: 1. a substrate; 2. a box body; 3. a U-shaped frame; 4. a fixed block; 5. a clamping assembly; 501. a bidirectional screw rod; 502. a second slider; 503. a slide bar; 504. connecting columns; 6. an angle adjustment assembly; 601. a U-shaped block; 602. an angle scale; 603. an outer cylinder; 604. a first spring; 7. a clamping block; 8. a scribing assembly; 801. a limiting frame; 802. tabletting; 803. a second spring; 804. a marking pen; 9. a screw; 10. a drive shaft; 11. a worm gear; 12. a rotating shaft; 13. a worm; 14. a first slider; 15. a sliding sleeve; 16. a chute; 17. t-shaped rods.

Detailed Description

Referring to fig. 1-5, the utility model provides a workpiece marking device for mechanical teaching, which comprises a base plate 1, a box body 2 and a U-shaped frame 3, wherein the box body 2 and the U-shaped frame 3 are fixedly arranged on the base plate 1, a clamping assembly 5 is arranged in the box body 2, a sliding chute 16 is arranged at the top of the box body 2, a clamping block 7 matched with the clamping assembly 5 is arranged in the sliding chute 16 in a sliding manner, two fixed blocks 4 are fixedly arranged on one side of the upper surface of the base plate 1, which is close to the U-shaped frame 3, a rotating shaft 12 is rotatably arranged between the opposite surfaces of the two fixed blocks 4, two screw rods 9 are rotatably arranged on the inner wall of the U-shaped frame 3, the other ends of the two screw rods 9 are respectively and fixedly connected with two transmission shafts 10 rotatably arranged on the upper surface of the base plate 1, worm wheels 11 are arranged on the two transmission shafts 10, worms 13 meshed with the two worm wheels 11 are arranged on the rotating shaft 12, and the same first sliding block 14 is arranged on the outer surface threads of the two screw rods 9, the outer surface of the first sliding block 14 is provided with a sliding sleeve 15 in a sliding mode, an angle adjusting assembly 6 is installed on the front face of the sliding sleeve 15, a T-shaped rod 17 is arranged on the angle adjusting assembly 6, a graduated scale is arranged on the upper surfaces of the T-shaped rod 17 and the first sliding block 14, a scribing assembly 8 is arranged at the other end of the T-shaped rod 17, a rotating disc drives a rotating shaft 12 to rotate, the rotating shaft 12 drives a transmission shaft 10 and a screw rod 9 fixedly connected with the transmission shaft 10 to rotate through a worm 13 and a worm wheel 11 which are meshed with each other, the first sliding block 14 installed on the outer surface of the thread of the screw rod 9 can move up and down, a scribing pen 804 can be driven to move up and down, the height of the scribing device can be adjusted up and down, mechanical linkage is strong, and use is convenient.

Wherein, the clamping assembly 5 comprises a bidirectional screw rod 501 and two second sliders 502, the bidirectional screw rod 501 is rotatably mounted on the inner wall of the box body 2, the two second sliders 502 are respectively mounted on two sections of threads of the bidirectional screw rod 501 in a threaded manner, the upper surfaces of the second sliders 502 are respectively and fixedly provided with a connecting column 504, the top end of the connecting column 504 penetrates through the chute 16 to be fixedly connected with the clamping block 7, one end of the bidirectional screw rod 501 is fixedly provided with a knob, slide rods 503 are respectively and fixedly mounted in the box body 2 at two sides of the bidirectional screw rod 501, two ends of the second sliders 502 are respectively and slidably mounted on the outer surfaces of the two slide rods 503, the bidirectional screw rod 501 is driven to rotate by rotating the knob, the bidirectional screw rod 501 drives the second sliders 502 respectively mounted on the two sections of threads of the bidirectional screw rod 501 to mutually approach or separate from each other, and then the connecting column 504 drives the clamping block 7 mounted on the upper surface of the box body 2 to synchronously move, thereby clamping and fixing releasing of the workpiece are realized, the device is more stable, and the accuracy and the stability of the scribing device are improved.

Wherein, angle adjusting part 6 includes U-shaped piece 601, angle scale 602 and urceolus 603, U-shaped piece 601 fixed mounting is in the front of sliding sleeve 15, the last fixed surface of U-shaped piece 601 installs angle scale 602, there is urceolus 603 through round pin axle swing joint in the U-shaped piece 601 recess, rotate urceolus 603, urceolus 603 is at U-shaped piece 601 recess internal rotation through the round pin axle, the cooperation angle scale 602 uses can draw the pitch arc of different angles again to can realize drawing the purpose of the different angle pitch arcs of equidirectional.

Wherein, be provided with first spring 604 in the section of thick bamboo of urceolus 603, T shape pole 17 slidable mounting is in the urceolus 603, the both ends of first spring 604 respectively with the inner wall of urceolus 603 and T shape pole 17 fixed connection, through set up first spring in the section of thick bamboo of urceolus 603, can make things convenient for T shape pole 17 to reset fast, the convenient next marking operation has improved work efficiency.

Wherein, the scribing component 8 comprises a limiting frame 801 and a pressing sheet 802, the limiting frame 801 is fixedly arranged on the lower surface of one end of the T-shaped rod 17, a second spring 803 is arranged in the limiting frame 801, two ends of the second spring 803 are respectively fixedly connected with the pressing sheet 802 and the T-shaped rod 17, the lower surface of the pressing sheet 802 extends out of the limiting frame 801 and is fixedly provided with a scribing pen 804, one end of the scribing pen 804 is provided with the second spring 803, the scribing operation on a workpiece with an uneven outer surface can be realized, and the scribing accuracy of the scribing device and the diversity of the applicable workpiece range are improved.

When in use, a workpiece to be scribed is guided between two clamping blocks 7 arranged on the upper surface of a box body 2, a knob is rotated according to the size of the workpiece to be scribed to drive a two-way screw rod 501 to rotate, the two-way screw rod 501 drives second sliding blocks 502 respectively arranged on the outer surfaces of two sections of threads of the two-way screw rod 501 to mutually approach, and then the clamping blocks 7 fixedly connected with the upper surface of a connecting column 504 are driven to synchronously move through the connecting column 504, so that the workpiece is clamped and fixed, the workpiece is more stable, after the workpiece is clamped, a rotating turntable is rotated to drive a rotating shaft 12 to rotate, the rotating shaft 12 drives a transmission shaft 10 and a screw rod 9 fixedly connected with the transmission shaft 10 through a worm wheel 11 and a worm 13 which are meshed with each other to rotate, a first sliding block 14 arranged on the outer surface of the screw rod 9 can move up and down, so that the height of a scribing device can be adjusted up and down, when the device is adjusted to a proper height, if need transversely rule, sliding sleeve 15 longitudinal motion on first slider 14, can drive marking off pen 804 longitudinal movement, T shape pole 17 slidable mounting is in urceolus 603, T shape pole 17 slides in urceolus 603 and can drive marking off pen 804 lateral movement, and the upper surface of T shape pole 17 and first slider 14 all is provided with the scale, thereby can realize the accuracy of different length of equidirectional not marking off, when needing to draw the pitch arc, rotate urceolus 603, urceolus 603 passes through the round pin axle and rotates in U601 recess, cooperate angle scale 602 to use again and can draw different angle pitch arcs, thereby can realize the purpose of drawing different angle pitch arcs of different directions, the accuracy of marking off device marking off and the variety of applicable work piece scope have been improved.

Claims

1. The utility model provides a workpiece scribing device for machine teaching which characterized in that: the clamping device comprises a base plate (1) and a box body (2) and a U-shaped frame (3) which are fixedly installed on the base plate (1), wherein a clamping component (5) is arranged in the box body (2), a sliding groove (16) is formed in the top of the box body (2), a clamping block (7) matched with the clamping component (5) and used is installed in the sliding groove (16), two fixing blocks (4) are fixedly installed on one side, close to the U-shaped frame (3), of the upper surface of the base plate (1), a rotating shaft (12) is installed between opposite surfaces of the two fixing blocks (4) in a rotating mode, two screw rods (9) are installed on the inner wall of the U-shaped frame (3) in a rotating mode, the other ends of the two screw rods (9) are fixedly connected with two transmission shafts (10) which are installed on the upper surface of the base plate (1) in a rotating mode, worm gears (11) are arranged on the two transmission shafts (10), worms (13) meshed with the two worm gears (11) are installed on the rotating shaft (12), two the outer surface screw thread of screw rod (9) installs same first slider (14), the surface slip of first slider (14) is provided with sliding sleeve (15), angle adjusting component (6) are installed in the front of sliding sleeve (15) and are provided with T shape pole (17) through angle adjusting component (6), all be provided with the scale on the upper surface of T shape pole (17) and first slider (14), the other end of T shape pole (17) is provided with marking off subassembly (8).

2. The workpiece scribing device for machine teaching according to claim 1, wherein: the clamping assembly (5) comprises a bidirectional screw rod (501) and two second sliders (502), the bidirectional screw rod (501) is rotatably installed on the inner wall of the box body (2), the two second sliders (502) are respectively installed on two threads of the bidirectional screw rod (501) in a threaded mode, a connecting column (504) is fixedly installed on the upper surface of the second slider (502), the top end of the connecting column (504) penetrates through the sliding groove (16) and the clamping block (7) to be fixedly connected, and a knob is fixed to one end of the bidirectional screw rod (501).

3. The workpiece scribing device for teaching mechanics according to claim 2, wherein: slide bars (503) are fixedly mounted in the box bodies (2) on two sides of the bidirectional screw rod (501), and two ends of the second sliding block (502) are respectively slidably mounted on the outer surfaces of the two slide bars (503).

4. The workpiece scribing device for machine teaching according to claim 1, wherein: the angle adjusting assembly (6) comprises a U-shaped block (601), an angle scale (602) and an outer barrel (603), the U-shaped block (601) is fixedly installed on the front face of the sliding sleeve (15), the angle scale (602) is fixedly installed on the upper surface of the U-shaped block (601), and the outer barrel (603) is movably connected in a groove of the U-shaped block (601) through a pin shaft.

5. The workpiece scribing device for machine teaching according to claim 4, wherein: a first spring (604) is arranged in the outer barrel (603), the T-shaped rod (17) is slidably mounted in the outer barrel (603), and two ends of the first spring (604) are fixedly connected with the inner wall of the outer barrel (603) and the T-shaped rod (17) respectively.

6. The workpiece scribing device for machine teaching according to claim 1, wherein: the scribing component (8) comprises a limiting frame (801) and a pressing sheet (802), the limiting frame (801) is fixedly installed on the lower surface of one end of the T-shaped rod (17), a second spring (803) is arranged in the limiting frame (801), two ends of the second spring (803) are fixedly connected with the pressing sheet (802) and the T-shaped rod (17) respectively, and a scribing pen (804) is fixedly installed on the lower surface of the pressing sheet (802) in a mode that the limiting frame (801) extends out.