Model limiting device for mechanical product design

Abstract

The invention discloses a model limiting device for mechanical product design, and relates to the field of model limiting devices.The model limiting device comprises an operation platform, a placement tray is fixedly connected to the inner wall of the operation platform, and a pair of hollow guide plates are fixedly connected to the placement tray and the inner wall of the operation platform; a mounting plate is fixedly connected to the upper surface of the operation platform, and a limiting clamping mechanism is arranged on the surface of the operation platform. During clamping and positioning, a second straight gear can be driven to rotate through a linkage shaft, a spherical raised head drives a moving shaft to descend through a fixed plate under the action of a rotating spiral groove, the moving shaft descends to drive a U-shaped plate and a fourth straight gear to descend together, and the fourth straight gear is rotationally connected with the U-shaped plate. When the pressing plate and the upper surface of the model are pressed, rotation adjustment can be conducted in a left-right adaptation mode so as to meet the limiting and pressing requirements of the models of different heights, and the upper portion of the model can be limited and pressed while clamping is conducted on the two sides, so that stability is kept.

Description

Technical Field

[0001] The invention relates to the field of model limiting devices, and in particular to a model limiting device used for mechanical product design. Background Art

[0002] When designing a mechanical product model, a limit device is needed to fix it. The fixing device can ensure that the model remains stable during the production process and avoid deformation or movement of the model due to external forces, thereby ensuring the precision and accuracy of the model.

[0003] When limiting the model, a pair of clamps are usually used to clamp the surface of the model closely. However, in this process, only the two sides of the model can be clamped, and the limiting effect is not obvious. If the top of the mechanical model needs to be adjusted at this time, the positioning of the model cannot be kept stable locally. Therefore, a model limiting device for mechanical product design is needed. Summary of the invention

[0004] The purpose of the present invention is to provide a model limiting device for mechanical product design, so as to solve the problem proposed in the above background technology that only the two sides of the model can be clamped, the limiting effect is not obvious enough, and if the top of the mechanical model needs to be adjusted at this time, the model positioning cannot be locally maintained stable.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a model limiting device for mechanical product design, comprising an operating platform, a placing tray is fixedly connected to the inner wall of the operating platform, a pair of hollow guide plates are fixedly connected to the placing tray and the inner wall of the operating platform, a mounting plate is fixedly connected to the upper surface of the operating platform, and a limited clamping mechanism is arranged on the surface of the operating platform; The limit clamping mechanism includes a connecting support plate fixedly connected to the surface of the operating platform, the inner wall of the connecting support plate is rotatably connected to an adjusting shaft, one end of the adjusting shaft is fixedly connected to a knob, the other end of the adjusting shaft is fixedly connected to a worm, the surface of the operating platform is rotatably connected to a driving turntable, the lower surface of the driving turntable is fixedly connected to a turbine, and the worm is meshed with the turbine.

[0006] Preferably, an arc-shaped hole is opened on the surface of the driving turntable, and a pair of inner walls of the hollow guide plates are slidably connected with sliders, and the bottom ends of the sliders are fixedly connected with convex shafts, and the convex shafts are installed inside the arc-shaped holes. A plurality of lightweight holes are opened on the upper surface of the driving turntable.

[0007] Preferably, a sleeve is fixedly connected to the upper surface of the slider, an avoidance hole is opened on the surface of the sleeve, a driving shaft is rotatably connected to the inner wall of the sleeve, a connecting block is fixedly connected to the surface of the driving shaft, the connecting block is installed inside the avoidance hole, and a U-shaped clip is fixedly connected to one end of the connecting block.

[0008] Preferably, a plurality of soft air tubes are fixedly connected to the inner wall of the U-shaped clip, a torsion spring is sleeved on the surface of the driving shaft, one end of the torsion spring is fixedly connected to the inner bottom wall of the sleeve, and the other end of the torsion spring is fixedly connected to the lower surface of the connecting block.

[0009] Preferably, a stabilizing plate is fixedly connected to the surface of the operating platform, a linkage shaft is rotatably connected to the inner wall of the stabilizing plate, a first spur gear is fixedly connected to the bottom end of the linkage shaft, a plurality of teeth are fixedly connected to the surface of the driving turntable, and the plurality of teeth are meshed with the first spur gear.

[0010] Preferably, the top end of the linkage shaft is fixedly connected with a second spur gear, the surface of the mounting plate is fixedly connected with a support plate, and the upper surface of the support plate is rotatably connected with a rotating shaft.

[0011] Preferably, a third spur gear is fixedly connected to the top end of the rotating shaft, the second spur gear is meshed with the third spur gear, and a spiral groove is provided on the surface of the rotating shaft.

[0012] Preferably, the inner wall of the mounting plate is slidably connected to a moving shaft, the top of the moving shaft is fixedly connected to an anti-slip head, the surface of the moving shaft is fixedly connected to a fixing plate, the surface of the fixing plate is fixedly connected to a spherical convex head, and the spherical convex head is installed inside the spiral groove.

[0013] Preferably, a U-shaped plate is fixedly connected to the bottom end of the moving shaft, a fourth spur gear is rotatably connected to the inner wall of the U-shaped plate, and a pair of positioning plates are fixedly connected to the surface of the mounting plate.

[0014] Preferably, the inner walls of a pair of the positioning plates are slidably connected to a driving plate, the opposite surfaces of a pair of the driving plates are fixedly connected to racks, the pair of racks are meshed with the fourth spur gear, and the bottom ends of the pair of driving plates are fixedly connected to a pressing plate.

[0015] In summary, the technical effects and advantages of the present invention are as follows: 1. In the present invention, a pair of sliders can be brought closer together by changing the position of the convex shaft in the arc hole, and the model product is clamped between a pair of U-shaped clamps. After the surfaces of multiple soft air tubes contact the surface of the model, protective buffering is performed. After the pair of U-shaped clamps are subjected to force, they can be rotated to better fit the surface of the model.

[0016] 2. In the present invention, when clamping and positioning, the second spur gear can be driven to rotate through the linkage shaft. Under the action of the rotating spiral groove, the spherical protrusion drives the moving shaft to descend through the fixed plate. The descent of the moving shaft drives the U-shaped plate and the fourth spur gear to descend together. The fourth spur gear is rotatably connected to the U-shaped plate. The advantage of this is that when the pressing plate presses the upper surface of the model, it can be rotated and adjusted left and right to meet the requirements of limiting the pressing of models of different heights. While clamping on both sides, the upper part of the model can be limited and pressed to maintain stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the driving turntable in an embodiment of the present invention; Figure 3 A schematic diagram of the three-dimensional structure of a U-shaped plate in an embodiment of the present invention; Figure 4 For the embodiment of the present invention Figure 3 A schematic diagram of the enlarged structure at A in the middle; Figure 5 For the embodiment of the present invention Figure 3 A schematic diagram of the enlarged structure at B in the middle; Figure 6 It is a schematic diagram of the three-dimensional structure of the pressing plate in an embodiment of the present invention; Figure 7 It is a schematic diagram of the three-dimensional structure of the sleeve in an embodiment of the present invention.

[0019] In the figure: 1. operating platform; 2. placing tray; 3. connecting support plate; 4. knob; 5. hollow guide plate; 6. mounting plate; 7. support plate; 8. linkage shaft; 9. second spur gear; 10. third spur gear; 11. anti-slip head; 12. driving turntable; 13. arc hole; 14. convex shaft; 15. lightweight hole; 16. teeth; 17. turbine; 18. first spur gear; 19. U-shaped clip; 20. stabilizer Fixed plate; 21. Adjusting shaft; 22. Sliding block; 23. Sleeve; 24. Driving shaft; 25. Torsion spring; 26. Connecting block; 27. Soft air tube; 28. Spherical boss; 29. ​​Rotating shaft; 30. Spiral groove; 31. Fixed plate; 32. Moving shaft; 33. U-shaped plate; 34. Fourth spur gear; 35. Positioning plate; 36. Rack; 37. Driving plate; 38. Pressing plate; 39. Worm; 40. Avoidance hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Example: Reference Figure 1-Figure 7 A model limiting device for mechanical product design shown in the figure comprises an operating platform 1, a placing tray 2 is fixedly connected to the inner wall of the operating platform 1, a pair of hollow guide plates 5 are fixedly connected to the placing tray 2 and the inner wall of the operating platform 1, a mounting plate 6 is fixedly connected to the upper surface of the operating platform 1, and a limited clamping mechanism is arranged on the surface of the operating platform 1; The limiting clamping mechanism includes a connecting support plate 3 fixedly connected to the surface of the operating platform 1, the inner wall of the connecting support plate 3 is rotatably connected to the adjusting shaft 21, one end of the adjusting shaft 21 is fixedly connected to the knob 4, the other end of the adjusting shaft 21 is fixedly connected to the worm 39, the surface of the operating platform 1 is rotatably connected to the driving turntable 12, the lower surface of the driving turntable 12 is fixedly connected to the turbine 17, and the worm 39 is meshed with the turbine 17.

[0022] By means of the above structure, the mechanical model that needs to be adjusted is placed on the placement tray 2, and the stability of the sliding of the moving shaft 32 is maintained by setting the mounting plate 6. By setting the knob 4, the adjustment shaft 21 can be driven to rotate to adjust the angle by turning the knob 4. By setting the worm 39, the rotation of the worm 39 drives the turbine 17 and the driving turntable 12 to rotate together.

[0023] Preferably, an arc-shaped hole 13 is opened on the surface of the driving turntable 12, and the inner walls of a pair of hollow guide plates 5 are slidably connected with sliders 22, and the bottom ends of the sliders 22 are fixedly connected with convex shafts 14, which are installed inside the arc-shaped hole 13, and a plurality of lightweight holes 15 are opened on the upper surface of the driving turntable 12.

[0024] By setting the arc hole 13 and changing the position of the arc hole 13, the positions of the cam 14 and the slider 22 in the hollow guide plate 5 are affected. By setting a plurality of lightweight holes 15, the overall weight of the driving turntable 12 is reduced.

[0025] Preferably, the upper surface of the slider 22 is fixedly connected with a sleeve 23, a avoidance hole 40 is opened on the surface of the sleeve 23, the inner wall of the sleeve 23 is rotatably connected with a driving shaft 24, the surface of the driving shaft 24 is fixedly connected with a connecting block 26, the connecting block 26 is installed inside the avoidance hole 40, and one end of the connecting block 26 is fixedly connected with a U-shaped clip 19.

[0026] By setting the U-shaped clamp 19, the model product located between a pair of U-shaped clamps 19 is clamped, by setting the avoidance hole 40, the rotation stability of the connecting block 26 is maintained, and by setting the sleeve 23, the storage protection of the driving shaft 24 and the torsion spring 25 is maintained.

[0027] Preferably, the inner wall of the U-shaped clamp 19 is fixedly connected with multiple soft air tubes 27, and the surface of the driving shaft 24 is sleeved with a torsion spring 25, one end of the torsion spring 25 is fixedly connected to the inner bottom wall of the sleeve 23, and the other end of the torsion spring 25 is fixedly connected to the lower surface of the connecting block 26.

[0028] By setting up multiple soft air tubes 27, when the surfaces of the multiple soft air tubes 27 contact the surface of the model, protective buffering is performed. By setting up a torsion spring 25, when the U-shaped clamp 19 is away from the surface of the model, the U-shaped clamp 19 is driven to rotate and reset, which is convenient for clamping a different mechanical model next time.

[0029] Preferably, a stabilizing plate 20 is fixedly connected to the surface of the operating platform 1, a linkage shaft 8 is rotatably connected to the inner wall of the stabilizing plate 20, a first spur gear 18 is fixedly connected to the bottom end of the linkage shaft 8, and a plurality of teeth 16 are fixedly connected to the surface of the driving turntable 12, and the plurality of teeth 16 are meshed with the first spur gear 18.

[0030] The stabilizing plate 20 is provided to keep the linkage shaft 8 stable in rotation, and the plurality of teeth 16 are provided to mesh with the first spur gear 18 so that the plurality of teeth 16 rotate to drive the first spur gear 18 and the linkage shaft 8 to rotate as a whole.

[0031] Preferably, the top end of the linkage shaft 8 is fixedly connected to a second spur gear 9 , the surface of the mounting plate 6 is fixedly connected to a support plate 7 , and the upper surface of the support plate 7 is rotatably connected to a rotating shaft 29 .

[0032] By providing the support plate 7, the rotation of the rotating shaft 29 is kept stable, and by providing the second spur gear 9, the third spur gear 10 is driven to rotate.

[0033] Preferably, a third spur gear 10 is fixedly connected to the top end of the rotating shaft 29 , the second spur gear 9 is meshed with the third spur gear 10 , and a spiral groove 30 is formed on the surface of the rotating shaft 29 .

[0034] By providing the spiral groove 30 , the spherical protrusion 28 is rotated to change the overall height of the fixing plate 31 and the moving shaft 32 .

[0035] Preferably, the inner wall of the mounting plate 6 is slidably connected with a moving shaft 32, the top of the moving shaft 32 is fixedly connected with an anti-slip head 11, the surface of the moving shaft 32 is fixedly connected with a fixing plate 31, the surface of the fixing plate 31 is fixedly connected with a spherical boss 28, and the spherical boss 28 is installed inside the spiral groove 30.

[0036] By setting the anti-slip head 11, the descending stroke of the moving shaft 32 is limited, and by setting the fixing plate 31, the spherical boss 28 is installed. By setting the spherical boss 28, the height of the moving shaft 32 is adjusted under the rotation of the spiral groove 30.

[0037] Preferably, a U-shaped plate 33 is fixedly connected to the bottom end of the moving shaft 32 , a fourth spur gear 34 is rotatably connected to the inner wall of the U-shaped plate 33 , and a pair of positioning plates 35 are fixedly connected to the surface of the mounting plate 6 .

[0038] By setting a U-shaped plate 33 and installing a fourth spur gear 34, when the pressing plate 38 is pressed against the upper surface of the model, it can be rotated and adjusted left and right to meet the requirements of limiting the pressing of models of different heights. By setting a positioning plate 35, the sliding stability of the driving plate 37 is maintained.

[0039] Preferably, the inner walls of a pair of positioning plates 35 are slidably connected with a driving plate 37, the opposite surfaces of a pair of driving plates 37 are fixedly connected with a rack 36, the pair of racks 36 are meshed with the fourth spur gear 34, and the bottom ends of the pair of driving plates 37 are fixedly connected with a pressing plate 38.

[0040] The driving plate 37 is provided to move along with the rack 36 , and the upper surface of the model is pressed by the pressing plate 38 to limit the position.

[0041] The working principle of the present invention is as follows: a model limiting device for mechanical product design, before use, the model is placed on the placing tray 2, the operator rotates the knob 4, the knob 4 rotates to drive the adjusting shaft 21 to rotate, the adjusting shaft 21 rotates to drive the worm 39 to rotate, the worm 39 rotates to drive the turbine 17 and the driving turntable 12 to rotate as a whole, the driving turntable 12 rotates to drive the teeth 16 and a pair of arc holes 13 to rotate, the pair of arc holes 13 rotate to affect the convex shaft 14, so that the convex shaft 14 and the slider 22 are slidably adjusted in the hollow guide plate 5, the pair of sliders 22 approach each other, drive the sleeve 23 connected to the slider 22 to move with the U-shaped clip 19, when the soft air tube 27 on the surface of the U-shaped clip 19 contacts the surface of the model, the surface of the model is squeezed and limited at the same time, when the pair of U-shaped clips 19 are stressed, they can drive the driving shaft 24 to rotate according to the degree of clamping force, so that the torsion spring 25 is tightened, and after the pair of rotation angles The tooth 16 can better fit the surface of the model. The rotation of the tooth 16 drives the first spur gear 18 to rotate. The first spur gear 18 drives the second spur gear 9 to rotate through the linkage shaft 8. The rotation of the second spur gear 9 drives the third spur gear 10 to rotate. The rotation of the third spur gear 10 drives the rotating shaft 29 to rotate, so that the spherical convex head 28 drives the moving shaft 32 to descend through the fixed plate 31 under the action of the rotating spiral groove 30. The descent of the moving shaft 32 drives the U-shaped plate 33 and the fourth spur gear 34 to descend together. A pair of racks 36 drive the driving plate 37 and the pressing plate 38 to descend together under the action of the fourth spur gear 34. The fourth spur gear 34 is rotatably connected to the U-shaped plate 33. The advantage of this is that when the pressing plate 38 is pressed against the upper surface of the model, it can be adjusted to rotate left and right to meet the requirements of limiting and pressing models of different heights. By means of the above structure, the upper part of the model can be limited and pressed while clamping on both sides to maintain stability.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A model limiting device for mechanical product design, comprising an operating platform (1), characterized in that: The inner wall of the operating platform (1) is fixedly connected to a tray (2), the tray (2) and the inner wall of the operating platform (1) are fixedly connected to a pair of hollow guide plates (5), the upper surface of the operating platform (1) is fixedly connected to a mounting plate (6), and a limited position clamping mechanism is provided on the surface of the operating platform (1); The position-limiting clamping mechanism comprises a connecting support plate (3) fixedly connected to the surface of the operating platform (1); the inner wall of the connecting support plate (3) is rotatably connected to an adjusting shaft (21); one end of the adjusting shaft (21) is fixedly connected to a knob (4); the other end of the adjusting shaft (21) is fixedly connected to a worm (39); the surface of the operating platform (1) is rotatably connected to a driving turntable (12); the lower surface of the driving turntable (12) is fixedly connected to a turbine (17); and the worm (39) meshes with the turbine (17).

2. The model limiting device for mechanical product design according to claim 1, characterized in that: The surface of the driving turntable (12) is provided with an arc-shaped hole (13); the inner walls of a pair of hollow guide plates (5) are slidably connected with sliders (22); the bottom ends of the sliders (22) are fixedly connected with convex shafts (14); the convex shafts (14) are installed inside the arc-shaped holes (13); and the upper surface of the driving turntable (12) is provided with a plurality of lightweight holes (15).

3. The model limiting device for mechanical product design according to claim 2 is characterized in that: The upper surface of the slider (22) is fixedly connected to a sleeve (23), a surface of the sleeve (23) is provided with an avoidance hole (40), the inner wall of the sleeve (23) is rotatably connected to a driving shaft (24), the surface of the driving shaft (24) is fixedly connected to a connecting block (26), the connecting block (26) is installed inside the avoidance hole (40), and one end of the connecting block (26) is fixedly connected to a U-shaped clip (19).

4. The model limiting device for mechanical product design according to claim 3 is characterized in that: A plurality of soft air tubes (27) are fixedly connected to the inner wall of the U-shaped clip (19), a torsion spring (25) is sleeved on the surface of the driving shaft (24), one end of the torsion spring (25) is fixedly connected to the inner bottom wall of the sleeve (23), and the other end of the torsion spring (25) is fixedly connected to the lower surface of the connecting block (26).

5. The model limiting device for mechanical product design according to claim 1, characterized in that: A stabilizing plate (20) is fixedly connected to the surface of the operating platform (1), a linkage shaft (8) is rotatably connected to the inner wall of the stabilizing plate (20), a first spur gear (18) is fixedly connected to the bottom end of the linkage shaft (8), and a plurality of teeth (16) are fixedly connected to the surface of the driving turntable (12), the plurality of teeth (16) being meshed with the first spur gear (18).

6. The model limiting device for mechanical product design according to claim 5, characterized in that: The top end of the linkage shaft (8) is fixedly connected to a second spur gear (9), the surface of the mounting plate (6) is fixedly connected to a support plate (7), and the upper surface of the support plate (7) is rotatably connected to a rotating shaft (29).

7. The model limiting device for mechanical product design according to claim 6, characterized in that: A third spur gear (10) is fixedly connected to the top end of the rotating shaft (29), the second spur gear (9) is meshed with the third spur gear (10), and a spiral groove (30) is provided on the surface of the rotating shaft (29).

8. The model limiting device for mechanical product design according to claim 1, characterized in that: The inner wall of the mounting plate (6) is slidably connected to a moving shaft (32), the top end of the moving shaft (32) is fixedly connected to an anti-slip head (11), the surface of the moving shaft (32) is fixedly connected to a fixing plate (31), the surface of the fixing plate (31) is fixedly connected to a spherical convex head (28), and the spherical convex head (28) is mounted inside the spiral groove (30).

9. The model limiting device for mechanical product design according to claim 8, characterized in that: The bottom end of the moving shaft (32) is fixedly connected to a U-shaped plate (33), the inner wall of the U-shaped plate (33) is rotatably connected to a fourth spur gear (34), and the surface of the mounting plate (6) is fixedly connected to a pair of positioning plates (35).

10. The model limiting device for mechanical product design according to claim 9, characterized in that: The inner walls of the pair of positioning plates (35) are slidably connected to driving plates (37), the opposite surfaces of the pair of driving plates (37) are fixedly connected to racks (36), the pair of racks (36) are meshed with the fourth spur gear (34), and the bottom ends of the pair of driving plates (37) are fixedly connected to pressing plates (38).

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