A mechanical product design drawing tool bench

Abstract

The present invention relates to the field of drawing technology, and in particular to a mechanical product design drawing tool bench, comprising a tool bench top, U-shaped frames are symmetrically fixedly installed on the side walls on both sides of the tool bench top, first sliding grooves are opened inside two groups of U-shaped frames, vertical rods are fixedly installed at the four corners of the lower end of the tool bench top, inner grooves are opened inside the four vertical rods, and fixed blocks are fixedly installed at the centers of the four inner grooves, first springs are fixedly installed on the side walls on both sides of the four fixed blocks, T-shaped clips are fixedly installed on the ends of the four groups of first springs away from the four fixed blocks, and the four groups of T-shaped clips are respectively slidably arranged in the four inner grooves, so that the mechanical product drawings can be leveled under the movement of the leveling rod, so that the mechanical product drawings can be leveled and drawn when in use, and the mechanical product drawings can be effectively fixed, and the mechanical product drawings are not easy to slide during drawing, thereby further enhancing the operation effect.

Description

Technical Field

[0001] The invention relates to the technical field of drawing, in particular to a drawing tool table for mechanical product design. Background Art

[0002] Machinery is a tool device that can help people reduce the difficulty of work or save effort. In the design process of mechanical products, designers need to draw drawings of mechanical products. When drawing, the design drawings need to be spread flat on the drawing tool table.

[0003] At present, most of the existing mechanical product design drawing tool tables on the market have the following shortcomings during use: it is not convenient for draftsmen to flatten the drawings according to actual needs, and draftsmen need to flatten the drawings many times, which is inconvenient for draftsmen to draw, and the drawings are poorly fixed during drawing and are easy to slide on the tool table, which easily affects the drawing work. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a mechanical product design drawing tool table.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a mechanical product design and drawing tool bench, comprising a tool bench table, U-shaped frames are symmetrically fixedly installed on the side walls on both sides of the tool bench table, two groups of the U-shaped frames are provided with first sliding grooves, four vertical rods are fixedly installed at the four corners of the lower end of the tool bench table, four vertical rods are provided with inner grooves, four fixed blocks are fixedly installed at the centers of the inner grooves, first springs are fixedly installed on the side walls on both sides of the four fixed blocks, four groups of the first springs are fixedly installed on one end away from the four fixed blocks, and the four groups of the T-shaped clips are respectively slidably arranged in the four inner grooves;

[0006] The surfaces of the four vertical rods are all provided with moving mechanisms;

[0007] The moving mechanism includes support columns, and four of the support columns are respectively mounted on four vertical rods. Universal wheels are fixedly installed at the lower ends of the four support columns. Connecting grooves are opened through the inside of the four support columns, and fixing plates are fixedly installed on the inner walls of the four connecting grooves.

[0008] As a preferred technical solution of the present invention, second sliding grooves are opened on the side walls of both sides of the four support columns, and the four groups of the second sliding grooves are respectively connected with the four connecting grooves. The inner walls of the four groups of the second sliding grooves are opened with card slots, and the four groups of T-shaped card strips are respectively slidably connected in the four groups of card slots.

[0009] As a preferred technical solution of the present invention, cross bars are slidably installed inside the four connecting grooves, limiting grooves are provided at the upper ends of the four cross bars, sliding blocks are fixedly installed on the side walls of both sides of the four cross bars, and the four groups of sliding blocks are respectively slidably arranged in the four groups of second sliding grooves.

[0010] As a preferred technical solution of the present invention, the lower ends of the four cross bars are symmetrically fixed with support legs, the four fixing plates are threadedly installed with first screws, the lower ends of the four first screws are fixedly installed with limiting plates, and the four limiting plates are respectively rotated in four limiting grooves.

[0011] As a preferred technical solution of the present invention, sliding columns are slidably installed inside the two groups of the first sliding grooves, third sliding grooves are opened inside the two groups of the sliding columns, and a second spring is fixedly installed inside each of the third sliding grooves.

[0012] As a preferred technical solution of the present invention, a pressure strip is fixedly installed on one end of the two groups of the second springs away from the sliding column, and the two pressure strips are respectively slidably arranged in the two groups of the third sliding grooves, and a second screw rod is threadedly installed inside the two groups of the sliding columns, and a top plate is fixedly installed on the upper end of the two second screw rods, and the two top plates are in contact with the surface of the tool bench.

[0013] As a preferred technical solution of the present invention, a fixing bar is fixedly installed on the upper end of the tool bench surface, a connecting rod is fixedly installed on the upper end of the fixing bar, a vertical block is symmetrically fixedly installed on the upper end of the connecting rod, column grooves are symmetrically opened on the upper end of the connecting rod, and a third spring is fixedly installed inside the two column grooves.

[0014] As a preferred technical solution of the present invention, the upper ends of the two third springs are fixedly installed with limiting columns, the interiors of the two vertical blocks are slidably installed with sliding rods, the surfaces of the sliding rods are slidably installed with wedge-shaped sliding strips, the surfaces of the sliding rods are fixedly sleeved with fixing rings, and the fixing rings are in contact with the side walls of the wedge-shaped sliding strips.

[0015] As a preferred technical solution of the present invention, a fourth spring is fixedly installed on the side wall of the fixing ring, one end of the fourth spring away from the fixing ring is fixedly connected to the inner wall of the wedge-shaped slide, and an L-shaped rod is fixedly installed on the side wall of the wedge-shaped slide.

[0016] As a preferred technical solution of the present invention, a fourth slide groove is opened at the lower end of the L-shaped rod, a sixth spring is symmetrically fixedly installed in the inner wall of the fourth slide groove, and a leveling rod is fixedly installed at the lower ends of the two sixth springs, and the leveling rod is slidably arranged in the fourth slide groove.

[0017] Compared with the prior art, the present invention can achieve the following beneficial effects:

[0018] Firstly, the movement of the slide bar will drive the fixed ring fixed thereto to move accordingly. When the fixed ring contacts the limiting column, the fixed ring will squeeze the fourth spring fixed thereto and compress it. As the extrusion force applied increases, the wedge-shaped slide bar will squeeze the limiting column. At this time, the limiting column will slide downward inside the column slot. At this time, the limiting column will squeeze the third spring and compress it. When the limiting column slides into the column slot, the fourth spring will instantly restore its deformation, thereby driving the wedge-shaped slide bar to move right. Therefore, the movement of the wedge-shaped slide bar will drive the L-shaped rod to move accordingly. The L-shaped rod will drive the leveling rod to move accordingly. Since the leveling rod and the drawing of the mechanical product are in a fitted state, the movement of the leveling rod will level the drawing of the mechanical product, making it easy to level the drawing of the mechanical product during use, thereby facilitating drawing.

[0019] Secondly, when the mechanical product drawing is leveled, the second screw at the other end can be rotated. Similarly, the other end of the mechanical product drawing can be fixed by the rotation of the second screw, so that the device can effectively fix the mechanical product drawing when in use, and the mechanical product drawing is not easy to slide during drawing, thereby further enhancing the operation effect;

[0020] Thirdly, through the design of the pressure strip and the second spring, the pressure strip will slide upward inside the third slide slot while fixing the mechanical product drawing, and the sliding of the pressure strip will squeeze the second spring and cause deformation, so that a certain elastic force will be generated when fixing the mechanical product drawing, effectively ensuring that the mechanical product drawing is not easily damaged when being fixed, and through the design of the sixth spring and the leveling rod, the leveling rod will not be damaged due to excessive squeezing when leveling the mechanical product drawing;

[0021] Fourthly, through the design of the universal wheel, the second slide groove, the cross bar, the slider and the support leg, the movement of the cross bar will drive the support leg to move downward, and the support leg will drive the slider to slide downward in the second slide groove, and the device can be lifted. When the support leg moves downward to be lower than the universal wheel, the support leg will contact the ground to fix the device, making it more convenient to move and fix the device when in use.

[0022] Fifthly, through the design of the tool bench top, the vertical rod, the first spring, the T-shaped clip and the slot, the movement of the tool bench top will drive the vertical rod to move upward, and the movement of the vertical rod will drive the T-shaped clip to move with it. When the T-shaped clip moves into the slot at the upper end, the first spring will restore its deformation, thereby driving the T-shaped clip to slide into the slot at the upper end to complete the connection, making it easier to adjust the height of the device when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the support column connection explosion structure of the present invention;

[0025] Figure 3 It is a schematic diagram of the vertical rod connection explosion structure of the present invention;

[0026] Figure 4 It is a schematic diagram of the U-shaped frame connection structure of the present invention;

[0027] Figure 5 This is a schematic diagram of the explosion structure of the layering strip connection of the present invention;

[0028] Figure 6 It is a schematic diagram of the wedge-shaped slide connection structure of the present invention;

[0029] Figure 7 It is a schematic diagram of the explosion structure of the leveling rod connection of the present invention;

[0030] Figure 8 It is a schematic diagram of the explosion structure of the limit column connection of the present invention.

[0031] Among them: 11, tool table top; 12, U-shaped frame; 13, first slide; 14, vertical rod; 15, inner groove; 16, fixed block; 17, first spring; 18, T-shaped clamping strip; 21, support column; 22, universal wheel; 23, connecting groove; 24, fixing plate; 25, second slide; 26, clamping groove; 31, cross bar; 32, limit groove; 33, slider; 34, support leg; 35, first screw; 36, limit Plate; 41, slide column; 42, third slide groove; 43, second spring; 44, pressure strip; 45, second screw rod; 46, top plate; 51, fixing bar; 52, connecting rod; 53, vertical block; 54, column groove; 55, third spring; 56, limit column; 61, slide rod; 62, wedge-shaped slide bar; 63, fixing ring; 64, fourth spring; 65, L-shaped rod; 66, fourth slide groove; 67, sixth spring; 68, leveling rod. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work all belong to the protection scope of the present invention. The experimental methods in the following embodiments, unless otherwise specified, are conventional methods, and the materials, reagents, etc. used in the following embodiments, unless otherwise specified, can all be obtained from commercial channels.

[0033] Embodiment:

[0034] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, a mechanical product design drawing tool table includes a tool table top 11, U-shaped frames 12 are symmetrically fixedly installed on the side walls of the tool table top 11, and first slide grooves 13 are opened inside the two groups of U-shaped frames 12, and vertical rods 14 are fixedly installed at the four corners of the lower end of the tool table top 11, and inner grooves 15 are opened inside the four vertical rods 14, and fixed blocks 16 are fixedly installed at the centers of the four inner grooves 15, and first springs 17 are fixedly installed on the side walls of the four fixed blocks 16, and T-shaped clamping strips 18 are fixedly installed on the ends of the four groups of first springs 17 away from the four fixed blocks 16, and the four groups of T-shaped clamping strips 18 are slidably arranged in the four inner grooves 15 respectively;

[0035] The surfaces of the four vertical rods 14 are all provided with moving mechanisms;

[0036] The mobile mechanism includes a support column 21, and the four support columns 21 are respectively sleeved on the four vertical rods 14. The lower ends of the four support columns 21 are fixedly installed with universal wheels 22. The four support columns 21 are all provided with connecting grooves 23, and the inner walls of the four connecting grooves 23 are all fixedly installed with fixing plates 24. The side walls of the four support columns 21 are provided with second slide grooves 25, and the four groups of second slide grooves 25 are respectively connected with the four connecting grooves 23. The inner walls of the four groups of second slide grooves 25 are provided with card slots 26, and the four groups of T-shaped card strips 18 are respectively slidably connected to the four groups of card slots 26. When the height of the equipment needs to be adjusted, it can be At the same time, the two T-shaped clips 18 are pulled outward in the inner groove 15, and the movement of the two T-shaped clips 18 will drive the first spring 17 fixed thereto to stretch. At this time, the tool table top 11 can be moved upward, and the movement of the tool table top 11 will drive the vertical rod 14 to move upward, and the movement of the vertical rod 14 will drive the T-shaped clip 18 to move accordingly. When the T-shaped clip 18 moves to the inside of the clip groove 26 at the upper end, the first spring 17 will restore its deformation, thereby driving the T-shaped clip 18 to slide into the clip groove 26 at the upper end to complete the clip connection, so that the height adjustment of the device is more convenient when in use;

[0037] The four connecting grooves 23 are all slidably installed with cross bars 31, and the upper ends of the four cross bars 31 are all provided with limiting grooves 32. Slide blocks 33 are fixedly installed on the side walls of both sides of the four cross bars 31. The four groups of slide blocks 33 are respectively slidably arranged in the four groups of second slide grooves 25. The lower ends of the four cross bars 31 are symmetrically fixedly installed with support legs 34. The four fixing plates 24 are all threadedly installed with first screws 35. The lower ends of the four first screws 35 are all fixedly installed with limiting disks 36. The four limiting disks 36 are respectively rotatably arranged in the four limiting grooves 32. When the equipment needs to be moved, it can be completed through the four universal wheels 22. When the movement is completed, the four first screws 35 can be rotated in the four fixing plates 24 in turn. The rotation of the first screws 35 will drive the limiting disks fixed thereto. The positioning plate 36 then rotates inside the limiting groove 32. Since the first screw rod 35 is threadedly arranged in the fixing plate 24, it will move downward under the rotation of the first screw rod 35. At this time, the first screw rod 35 will drive the cross bar 31 to move downward accordingly. Under the movement of the cross bar 31, the support leg 34 will move downward accordingly. At this time, the support leg 34 will drive the slider 33 to slide downward inside the second slide groove 25. At this time, the device can be lifted. When the support leg 34 moves downward to be lower than the universal wheel 22, the support leg 34 will contact the ground to complete the device fixation, making the device more convenient to move and fix when in use. The two groups of first slide grooves 13 are both slidably installed with slide columns 41, and the two groups of slide columns 41 are both provided with third slide grooves 42. Each of the first slide grooves 13 has a third slide groove 42. A second spring 43 is fixedly installed inside the three slide grooves 42, and a pressure strip 44 is fixedly installed at one end of the two groups of second springs 43 away from the slide column 41. The two pressure strips 44 are slidably arranged in the two groups of third slide grooves 42, and a second screw rod 45 is threadedly installed inside the two groups of slide columns 41. A top plate 46 is fixedly installed on the upper end of the two second screw rods 45. The two top plates 46 are both fitted with the tool bench surface 11. A fixing strip 51 is fixedly installed on the upper end of the tool bench surface 11, and a connecting rod 52 is fixedly installed on the upper end of the fixing strip 51. A vertical block 53 is symmetrically fixedly installed on the upper end of the connecting rod 52. A column groove 54 is symmetrically opened on the upper end of the connecting rod 52. A third spring 55 is fixedly installed inside the two column grooves 54, and the upper ends of the two third springs 55 are fixedly installed A limit column 56 is installed, and a slide bar 61 is slidably installed inside the two vertical blocks 53. A wedge-shaped slide bar 62 is slidably installed on the surface of the slide bar 61. A fixed ring 63 is fixedly sleeved on the surface of the slide bar 61. The fixed ring 63 fits the side wall of the wedge-shaped slide bar 62. A fourth spring 64 is fixedly installed on the side wall of the fixed ring 63. One end of the fourth spring 64 away from the fixed ring 63 is fixedly connected to the inner wall of the wedge-shaped slide bar 62. An L-shaped rod 65 is fixedly installed on the side wall of the wedge-shaped slide bar 62. A fourth slide groove 66 is opened at the lower end of the L-shaped rod 65. Sixth springs 67 are symmetrically fixedly installed in the inner wall of the fourth slide groove 66. A leveling rod 68 is fixedly installed at the lower ends of the two sixth springs 67. The leveling rod 68 is slidably arranged in the fourth slide groove 66. Through the design of the pressure strip 44 and the second spring 43,When the mechanical product drawing is fixed, the pressure strip 44 will slide upward inside the third slide groove 42, and the sliding of the pressure strip 44 will squeeze the second spring 43 and deform it, so that a certain elastic force will be generated when the mechanical product drawing is fixed, which effectively ensures that the mechanical product drawing is not easily damaged when it is fixed. In addition, through the design of the sixth spring 67 and the leveling rod 68, the leveling rod 68 will not be damaged due to excessive squeezing when the mechanical product drawing is leveled. When in use, the mechanical product drawing can be placed on the tool table 11, and then it can be rotated first. The second screw rod 45 at the left end will drive the top plate 46 fixed thereto to rotate as the second screw rod 45 rotates. Since the top plate 46 contacts the table top 11 of the tool bench, the slide column 41 will slide downward inside the first slide groove 13 under the resistance of the top plate 46. At this time, the slide column 41 will drive the pressure strip 44 connected thereto to move downward. Under the movement of the pressure strip 44, one end of the mechanical product drawing will be fixed. At this time, the slide rod 61 can be pushed to the right. Under the movement of the slide rod 61, the fixing ring 63 fixed thereto will move. When the fixing ring 63 contacts the limit column 56, the fixing ring 63 will move. At this time, the fixing ring 63 will squeeze the fourth spring 64 fixed thereto and compress it. As the extrusion force applied increases, the wedge-shaped slide bar 62 will squeeze the limiting column 56. At this time, the limiting column 56 will slide downward in the column groove 54. At this time, the limiting column 56 will squeeze the third spring 55 and compress it. When the limiting column 56 slides into the column groove 54, the fourth spring 64 will instantly recover its deformation, thereby driving the wedge-shaped slide bar 62 to move right. Therefore, the movement of the wedge-shaped slide bar 62 will drive the L-shaped rod 65 to move accordingly, and the L-shaped rod 65 will drive the leveling rod 68 to move accordingly. Since the leveling rod 68 and the drawing of the mechanical product are in a fitted state, the mechanical product drawing will be leveled under the movement of the leveling rod 68, making it easy to level the mechanical product drawing when in use, and easy to draw. When in use, the second screw rod 45 at the other end can be rotated after the mechanical product drawing is leveled. Similarly, the rotation of the second screw rod 45 will complete the fixation of the other end of the mechanical product drawing, so that the device can effectively fix the mechanical product drawing when in use, and the mechanical product drawing is not easy to slide when drawing, thereby further enhancing the operation effect.

[0038] Working principle:

[0039] In the first step, when using, the mechanical product drawing can be placed on the tool bench surface 11, and then the second screw 45 at the left end can be rotated first. The rotation of the second screw 45 will drive the top plate 46 fixed thereto to rotate accordingly. Since the top plate 46 is in contact with the tool bench surface 11, the sliding column 41 will slide downward inside the first sliding groove 13 under the interference of the top plate 46. At this time, the sliding column 41 will drive the pressure strip 44 connected thereto to move downward. Under the movement of the pressure strip 44, one end of the mechanical product drawing will be fixed. At this time, the sliding rod 61 can be pushed to the right. Under the movement of the sliding rod 61, the fixing ring 63 fixed thereto will be driven to move accordingly. When the fixing ring 63 is in contact with the limiting column 56, the fixing ring 63 will squeeze the fourth spring fixed thereto. 64 is compressed accordingly. As the applied extrusion force increases, the wedge-shaped slide bar 62 will squeeze the limiting column 56. At this time, the limiting column 56 will slide downward inside the column slot 54. At this time, the limiting column 56 will squeeze the third spring 55 and be compressed accordingly. When the limiting column 56 slides into the column slot 54, the fourth spring 64 will instantly restore its deformation, thereby driving the wedge-shaped slide bar 62 to move right. Therefore, the movement of the wedge-shaped slide bar 62 will drive the L-shaped rod 65 to move accordingly. The L-shaped rod 65 then drives the leveling rod 68 to move accordingly. Since the leveling rod 68 and the drawing of the mechanical product are in a fitted state, the mechanical product drawing will be leveled under the movement of the leveling rod 68, making it easy to level the mechanical product drawing when in use, and to facilitate drawing.

[0040] In the second step, when the mechanical product drawing is leveled, the second screw rod 45 at the other end can be rotated. Similarly, the rotation of the second screw rod 45 will complete the fixation of the other end of the mechanical product drawing, so that the device can effectively fix the mechanical product drawing when in use, and the mechanical product drawing is not easy to slide during drawing, thereby further enhancing the operation effect;

[0041] In the third step, through the design of the pressure strip 44 and the second spring 43, the pressure strip 44 will slide upward inside the third slide groove 42 while fixing the mechanical product drawing, and the sliding of the pressure strip 44 will squeeze the second spring 43 and deform it accordingly, so that a certain elastic force will be generated when fixing the mechanical product drawing, effectively ensuring that the mechanical product drawing is not easily damaged when being fixed, and through the design of the sixth spring 67 and the leveling rod 68, the leveling rod 68 will not be damaged due to excessive squeezing when leveling the mechanical product drawing;

[0042] The fourth step is that when the device needs to be moved, it can be completed through the four universal wheels 22, and when the movement is completed, the four first screws 35 can be rotated in turn inside the four fixing plates 24. The rotation of the first screws 35 will drive the limiting plate 36 fixed thereto to rotate inside the limiting groove 32. Since the first screws 35 are threadedly arranged in the fixing plate 24, they will move downward under the rotation of the first screws 35. At this time, the first screws 35 will drive the cross bar 31 to move downward, and the movement of the cross bar 31 will drive the supporting legs 34 to move downward. At this time, the supporting legs 34 will drive the sliders 33 to slide downward inside the second slide grooves 25. At this time, the device can be lifted. When the supporting legs 34 move downward to be lower than the universal wheels 22, the supporting legs 34 will contact the ground to complete the fixing of the device, making it more convenient to move and fix the device when in use.

[0043] The fifth step, when the height of the equipment needs to be adjusted, the two T-shaped clips 18 can be pulled outward in the inner groove 15 at the same time, and the movement of the two T-shaped clips 18 will drive the first spring 17 fixed thereto to stretch. At this time, the tool bench surface 11 can be moved upward, and the movement of the tool bench surface 11 will drive the vertical rod 14 to move upward, and the movement of the vertical rod 14 will drive the T-shaped clip 18 to move accordingly. When the T-shaped clip 18 moves to the inside of the slot 26 at the upper end, the first spring 17 will restore its deformation, thereby driving the T-shaped clip 18 to slide into the slot 26 at the upper end to complete the snap connection, making it easier to adjust the height of the equipment when in use.

[0044] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A mechanical product design drawing tool bench, comprising a tool bench top (11), wherein U-shaped frames (12) are symmetrically fixedly mounted on both side walls of the tool bench top (11), characterized in that: The two groups of U-shaped frames (12) are provided with first sliding grooves (13) inside, the four corners of the lower end of the tool table surface (11) are fixedly installed with vertical rods (14), the four vertical rods (14) are provided with inner grooves (15), the centers of the four inner grooves (15) are fixedly installed with fixed blocks (16), the side walls of the four fixed blocks (16) are fixedly installed with first springs (17), the ends of the four groups of the first springs (17) away from the four fixed blocks (16) are fixedly installed with T-shaped clips (18), and the four groups of the T-shaped clips (18) are slidably arranged in the four inner grooves (15) respectively; The surfaces of the four vertical rods (14) are all provided with moving mechanisms; The moving mechanism comprises a support column (21), wherein four support columns (21) are respectively sleeved on four vertical rods (14), universal wheels (22) are fixedly mounted on the lower ends of the four support columns (21), connecting grooves (23) are penetrated through the inside of the four support columns (21), and fixing plates (24) are fixedly mounted on the inner walls of the four connecting grooves (23).

2. A mechanical product design drawing tool bench according to claim 1, characterized in that: Second slide grooves (25) are provided on the side walls of both sides of the four support columns (21), and the four groups of the second slide grooves (25) are respectively connected to the four connecting grooves (23). The inner walls of the four groups of the second slide grooves (25) are provided with clamping grooves (26), and the four groups of the T-shaped clamping strips (18) are respectively slidably clamped in the four groups of clamping grooves (26).

3. A mechanical product design drawing tool bench according to claim 2, characterized in that: Cross bars (31) are slidably mounted inside the four connecting grooves (23), and limiting grooves (32) are provided at the upper ends of the four cross bars (31). Slide blocks (33) are fixedly mounted on the side walls of both sides of the four cross bars (31), and the four groups of slide blocks (33) are slidably mounted in the four groups of second slide grooves (25), respectively.

4. A mechanical product design drawing tool bench according to claim 3, characterized in that: The lower ends of the four cross bars (31) are symmetrically fixed with support legs (34), the interiors of the four fixing plates (24) are threadedly installed with first screw rods (35), the lower ends of the four first screw rods (35) are fixedly installed with limit plates (36), and the four limit plates (36) are rotatably arranged in four limit slots (32) respectively.

5. The mechanical product design drawing tool bench according to claim 1, characterized in that: Sliding columns (41) are slidably installed inside the two groups of the first sliding grooves (13), third sliding grooves (42) are opened inside the two groups of the sliding columns (41), and a second spring (43) is fixedly installed inside each of the third sliding grooves (42).

6. A mechanical product design drawing tool bench according to claim 5, characterized in that: A pressure strip (44) is fixedly installed at one end of the two groups of the second springs (43) away from the slide column (41), and the two pressure strips (44) are respectively slidably arranged in the two groups of the third slide grooves (42). A second screw rod (45) is threadedly installed inside the two groups of the slide columns (41), and a top plate (46) is fixedly installed on the upper end of the two second screw rods (45), and the two top plates (46) are both in contact with the tool bench surface (11).

7. A mechanical product design drawing tool bench according to claim 6, characterized in that: A fixing strip (51) is fixedly mounted on the upper end of the tool bench surface (11), a connecting rod (52) is fixedly mounted on the upper end of the fixing strip (51), a vertical block (53) is symmetrically fixedly mounted on the upper end of the connecting rod (52), column grooves (54) are symmetrically formed on the upper end of the connecting rod (52), and third springs (55) are fixedly mounted inside the two column grooves (54).

8. The mechanical product design drawing tool bench according to claim 7, characterized in that: The upper ends of the two third springs (55) are fixedly installed with limit columns (56), and the interiors of the two vertical blocks (53) are slidably installed with sliding rods (61), and the surfaces of the sliding rods (61) are slidably installed with wedge-shaped sliding strips (62), and the surfaces of the sliding rods (61) are fixedly sleeved with a fixing ring (63), and the fixing ring (63) is in contact with the side wall of the wedge-shaped sliding strip (62).

9. The mechanical product design drawing tool bench according to claim 8, characterized in that: A fourth spring (64) is fixedly mounted on the side wall of the fixing ring (63), one end of the fourth spring (64) away from the fixing ring (63) is fixedly connected to the inner wall of the wedge-shaped slide bar (62), and an L-shaped rod (65) is fixedly mounted on the side wall of the wedge-shaped slide bar (62).

10. A mechanical product design drawing tool bench according to claim 9, characterized in that: A fourth slide groove (66) is provided at the lower end of the L-shaped rod (65), a sixth spring (67) is symmetrically fixedly installed in the inner wall of the fourth slide groove (66), and a leveling rod (68) is fixedly installed at the lower ends of the two sixth springs (67), and the leveling rod (68) is slidably arranged in the fourth slide groove (66).

Images