Z-axis moving device and three-dimensional moving device
By designing synchronous drive wedges and guide components, the problem of instability in the Z-axis moving device is solved, achieving high-precision and stable movement, which is suitable for high-precision application scenarios.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-21
- Publication Date
- 2026-04-10
AI Technical Summary
The existing Z-axis moving device is not stable when moving up and down, causing the support plate to tilt and shake, which cannot meet the application scenarios with high precision requirements.
By synchronously driving the first and second wedge components, the first and second wedge lifting components are pushed, and the guide assembly is used to achieve smooth rising and falling of the lifting plate. The first and second screw nuts are driven by Z-axis ball screws. Combined with the wedge structure and guide assembly, the stability of movement is ensured.
It enables smooth up-and-down movement of the Z-axis moving device, meeting the application scenarios with high precision requirements and suitable for high-precision practical applications.
Smart Images
Figure CN224107971U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of adjusting precision machine, especially to a Z axis moving device and three -dimensional moving device. BACKGROUND
[0002] The existing Z axis moving device moves up and down in the mode that directly drives the rotation of the ball screw, the screw nut on the ball screw moves up and down along the ball screw, thereby realizing the up and down movement of the bearing plate connected with the screw nut. But this up and down movement mode is very unstable, and it is easy to cause the bearing plate to tilt and shake, and it cannot be applied in high-precision application scenarios.
[0003] Therefore, the prior art has defects and needs to be improved. UTILITY MODEL CONTENT
[0004] The utility model solves the technical problem that a Z axis moving device and three -dimensional moving device are provided, which can stably realize the up and down movement of the Z axis and meet the application scenarios of high-precision requirements.
[0005] The technical scheme of the utility model is as follows: a Z axis moving device is provided, which comprises a bottom plate, a Z axis ball screw, a first limiting vertical plate and a second limiting vertical plate respectively installed on the bottom plate, a Z axis driver connected with one end of the Z axis ball screw, a first screw nut and a second screw nut sleeved on the Z axis ball screw, a first wedge connected with the first screw nut, a second wedge connected with the second screw nut, a first wedge-shaped lifting piece matched with the first wedge, a second wedge-shaped lifting piece matched with the second wedge, a first vertical guide assembly, a second vertical guide assembly and a lifting panel connected with the first wedge-shaped lifting piece and the second wedge-shaped lifting piece; the first wedge-shaped lifting piece is connected with the first limiting vertical plate through the first vertical guide assembly, and the second wedge-shaped lifting piece is connected with the second limiting vertical plate through the second vertical guide assembly; the first wedge-shaped lifting piece and the second wedge-shaped lifting piece are synchronously lifted or lowered under the action of the Z axis ball screw driving the first screw nut and the second screw nut. The first vertical guide assembly and the second vertical guide assembly are both two, and each of the first vertical guide assembly and the second vertical guide assembly comprises a guide rail and a sliding block matched with the guide rail. Preferably, the guide rail and the sliding block of the first vertical guide assembly are respectively installed on the first limiting vertical plate and the first wedge-shaped lifting piece; the guide rail and the sliding block of the second vertical guide assembly are respectively installed on the second limiting vertical plate and the second wedge-shaped lifting piece.
[0006] The Z-axis driver drives the Z-axis ball screw to rotate, thereby driving the first screw nut and the second screw nut to move along the Z-axis ball screw, i.e., driving the first wedge and the second wedge to move, thereby pushing the first wedge-shaped lifting piece and the second wedge-shaped lifting piece to move up and down synchronously. Compared with the mode of directly using the ball screw and the screw nut to realize lifting, the technical scheme synchronously drives the first wedge and the second wedge to move, thereby synchronously allowing the first wedge to push the first wedge-shaped lifting piece and the second wedge to push the second wedge-shaped lifting piece, and realizes stable lifting and lowering of the lifting plate, thereby being capable of fully meeting the application in the application scene with high precision requirement and facilitating actual application.
[0007] Further, in one scheme, under the driving of the Z-axis ball screw, the first screw nut and the second screw nut rotate in the same direction, and the first wedge-shaped lifting piece and the second wedge-shaped lifting piece move in the same direction. In another scheme, under the driving of the Z-axis ball screw, the first screw nut and the second screw nut rotate in opposite directions, and the first wedge-shaped lifting piece and the second wedge-shaped lifting piece move in opposite directions, and the first wedge-shaped lifting piece and the second wedge-shaped lifting piece are symmetrically arranged.
[0008] Further, the Z-axis moving device further comprises a first inclined surface guiding assembly and a second inclined surface guiding assembly, the first wedge is connected with the first wedge-shaped lifting piece through the first inclined surface guiding assembly, and the second wedge is connected with the second wedge-shaped lifting piece through the second inclined surface guiding assembly. The first inclined surface guiding assembly and the second inclined surface guiding assembly are both two, and each of the first inclined surface guiding assembly and the second inclined surface guiding assembly comprises a guide rail and a sliding block matched with the guide rail. Preferably, the guide rail and the sliding block of the first inclined surface guiding assembly are respectively installed on the first wedge-shaped lifting piece and the first wedge, and the guide rail and the sliding block of the second inclined surface guiding assembly are respectively installed on the second wedge-shaped lifting piece and the second wedge.
[0009] Further, the Z-axis moving device further comprises a first transverse guiding assembly and a second transverse guiding assembly, the first wedge is connected with the bottom plate through the first transverse guiding assembly, and the second wedge is connected with the bottom plate through the second transverse guiding assembly. The first transverse guiding assembly and the second transverse guiding assembly are both two, and each of the first transverse guiding assembly and the second transverse guiding assembly comprises a guide rail and a sliding block matched with the guide rail. Preferably, the guide rail and the sliding block of the first transverse guiding assembly are respectively installed on the bottom plate and the first wedge, and the guide rail and the sliding block of the second transverse guiding assembly are respectively installed on the bottom plate and the second wedge.
[0010] Further, the Z-axis moving device further comprises two side plates, and each of the two side plates is connected with the bottom plate, the first limiting vertical plate and the second limiting vertical plate.
[0011] Further, the Z-axis moving device further comprises a Z-axis locking buckle mounted on the first limiting vertical plate, and the Z-axis ball screw passes through the Z-axis locking buckle. The Z-axis locking buckle is used for locking the Z-axis ball screw, and keeping the current height of the lifting panel.
[0012] Further, the utility model further provides a three -dimensional moving device, include: X axis moving mechanism, X axis guide assembly, Y axis moving mechanism, Y axis guide assembly, the Z axis moving device of foregoing, Y axis moving mechanism installs on the moving piece of X axis moving mechanism, X axis moving mechanism passes through X axis guide assembly with the Y axis moving mechanism is connected, the Z axis moving device installs on the moving piece of Y axis moving mechanism, and Y axis moving mechanism passes through Y axis guide assembly with the Z axis moving device is connected. X axis guide assembly, Y axis guide assembly are two, and X axis guide assembly, Y axis guide assembly all include: guide rail, with the slider of guide rail cooperation. Preferably, the guide rail and slider of X axis guide assembly are installed on X axis moving mechanism and Y axis moving mechanism respectively, and the guide rail and slider of Y axis guide assembly are installed on Y axis moving mechanism and Z axis moving device respectively.
[0013] Further, the X-axis moving mechanism comprises a bottom frame, an X-axis ball screw mounted on the bottom frame, an X-axis screw nut sleeved on the X-axis ball screw, an X-axis driver connected with the X-axis ball screw, and an X-axis locking buckle sleeved on the X-axis ball screw; the X-axis locking buckle is mounted on the bottom frame, and the Y-axis moving mechanism is connected with the X-axis screw nut.
[0014] Further, the Y-axis moving mechanism comprises a moving frame, a Y-axis ball screw mounted on the moving frame, a Y-axis screw nut sleeved on the Y-axis ball screw, a Y-axis driver connected with the Y-axis ball screw, and a Y-axis locking buckle sleeved on the Y-axis ball screw; the Y-axis locking buckle is mounted on the moving frame, and the Z-axis moving device is connected with the Y-axis screw nut.
[0015] By the above scheme, the utility model provides a Z-axis moving device and a three-dimensional moving device, which synchronously drives the first wedge and the second wedge to move, so that the first wedge pushes the first wedge lifting piece and the second wedge pushes the second wedge lifting piece, the lifting plate is stably lifted and lowered, and the application in the application scene with high precision requirement can be fully met, and the actual application is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structure schematic view of an embodiment of the three-dimensional moving device of the utility model;
[0017] Figure 2 It is a structure schematic view of the X-axis moving mechanism;
[0018] Figure 3 Structure diagram of Y-axis moving mechanism without left side plate and right side plate;
[0019] Figure 4 Structure diagram of Z-axis moving device without left side plate, right side plate and lifting plate;
[0020] Figure 5 Structure diagram of Z-axis moving device without left side plate, right side plate, lifting plate, first wedge-shaped lifting piece and second wedge-shaped lifting piece.
[0021] Figure 6 Structure diagram of Z-axis moving device without left side plate, right side plate, lifting plate, first wedge-shaped lifting piece and second wedge-shaped lifting piece. DETAILED DESCRIPTION
[0022] The utility model will be described in detail below in combination with the drawings and specific embodiments.
[0023] Please refer to Figures 1-6 The utility model provides a three-dimensional moving device, including: X axis moving mechanism 10, X axis guide assembly 11, Y axis moving mechanism 12, Y axis guide assembly 13, Z axis moving device 14, Y axis moving mechanism 12 is installed on the moving piece of X axis moving mechanism 10, X axis moving mechanism 10 is connected with Y axis moving mechanism 12 through X axis guide assembly 11, Z axis moving device 14 is installed on the moving piece of Y axis moving mechanism 12, and Y axis moving mechanism 12 is connected with Z axis moving device 14 through Y axis guide assembly 13, X axis guide assembly 11 and Y axis guide assembly 13 are two, and X axis guide assembly 11 and Y axis guide assembly 13 all include guide rail and slider matched with the guide rail, preferably, the guide rail and slider of X axis guide assembly 11 are installed on X axis moving mechanism 10 and Y axis moving mechanism 12 respectively, and the guide rail and slider of Y axis guide assembly 13 are installed on Y axis moving mechanism 12 and Z axis moving device 14 respectively.
[0024] In the embodiment, the X axis moving mechanism 10 includes: bottom frame 15, X axis ball screw 16 installed on the bottom frame 15, X axis screw nut 17 sleeved on the X axis ball screw 16, X axis driver 18 connected with the X axis ball screw 16 and X axis locking buckle 19 sleeved on the X axis ball screw 16, the X axis locking buckle 19 is installed on the bottom frame 15, and the Y axis moving mechanism 12 is connected with the X axis screw nut 17, and the X axis driver is a hand wheel in the embodiment.
[0025] In the embodiment, the Y-axis moving mechanism 12 comprises a moving frame 20, a Y-axis ball screw 21 installed on the moving frame 20, a Y-axis screw nut 22 sleeved on the Y-axis ball screw 21, a Y-axis driver 23 connected with the Y-axis ball screw 21, and a Y-axis locking buckle 24 sleeved on the Y-axis ball screw 21. The Y-axis locking buckle 24 is installed on the moving frame 20, and the Z-axis moving device 14 is connected with the Y-axis screw nut 22. In the embodiment, the Y-axis driver is a hand wheel.
[0026] In the embodiment, the Z-axis moving device 14 comprises a base plate 25, a Z-axis ball screw 26, a first limiting vertical plate 27 and a second limiting vertical plate 28 respectively installed on the base plate 25, a Z-axis driver 29 connected with one end of the Z-axis ball screw 26, a first screw nut 30 and a second screw nut 31 sleeved on the Z-axis ball screw 26, a first wedge-shaped piece 32 connected with the first screw nut 30, a second wedge-shaped piece 33 connected with the second screw nut 31, a first wedge-shaped lifting piece 34 matched with the first wedge-shaped piece 32, a second wedge-shaped lifting piece 35 matched with the second wedge-shaped piece 33, a first vertical guiding assembly 36, a second vertical guiding assembly 37, and a lifting panel 38 connected with the first wedge-shaped lifting piece 34 and the second wedge-shaped lifting piece 35. The first wedge-shaped lifting piece 34 is connected with the first limiting vertical plate 27 through the first vertical guiding assembly 36, and the second wedge-shaped lifting piece 35 is connected with the second limiting vertical plate 28 through the second vertical guiding assembly 37. The first wedge-shaped lifting piece 34 and the second wedge-shaped lifting piece 35 are synchronously lifted or lowered under the action of the Z-axis ball screw 26 driving the first screw nut 30 and the second screw nut 31. The first vertical guiding assembly 36 and the second vertical guiding assembly 37 are both two, and each of the first vertical guiding assembly 36 and the second vertical guiding assembly 37 comprises a guide rail and a sliding block matched with the guide rail. Preferably, the guide rail and the sliding block of the first vertical guiding assembly 36 are respectively installed on the first limiting vertical plate 27 and the first wedge-shaped lifting piece 34, and the guide rail and the sliding block of the second vertical guiding assembly 37 are respectively installed on the second limiting vertical plate 28 and the second wedge-shaped lifting piece 35. In the embodiment, the Z-axis driver is a hand wheel.
[0027] The Z-axis driver 29 drives the Z-axis ball screw 26 to rotate, thereby driving the first screw nut 30 and the second screw nut 31 to move along the Z-axis ball screw 26, that is, driving the first wedge-shaped part 32 and the second wedge-shaped part 33 to move, thereby driving the first wedge-shaped lifting part 34 and the second wedge-shaped lifting part 35 to move up and down synchronously. Compared with the mode of directly using a ball screw and a screw nut to realize lifting, the technical scheme synchronously drives the first wedge-shaped part 32 and the second wedge-shaped part 33 to move, thereby synchronously driving the first wedge-shaped part 32 to push the first wedge-shaped lifting part 34 and the second wedge-shaped part 33 to push the second wedge-shaped lifting part 35, so as to realize stable lifting and lowering of the lifting plate, thereby being capable of fully meeting the application in the application scene with high precision requirement and facilitating actual application.
[0028] In the embodiment, under the driving of the Z-axis ball screw 26, the first screw nut 30 and the second screw nut 31 rotate in opposite directions, and the first wedge-shaped lifting part 34 and the second wedge-shaped lifting part 35 move in opposite directions, and the first wedge-shaped lifting part 34 and the second wedge-shaped lifting part 35 are symmetrically arranged.
[0029] In the embodiment, the Z-axis moving device 14 further comprises a first inclined surface guiding assembly 39 and a second inclined surface guiding assembly 40, the first wedge-shaped part 32 is connected with the first wedge-shaped lifting part 34 through the first inclined surface guiding assembly 39, and the second wedge-shaped part 33 is connected with the second wedge-shaped lifting part 35 through the second inclined surface guiding assembly 40. The first inclined surface guiding assembly 39 and the second inclined surface guiding assembly 40 are both two, and each of the first inclined surface guiding assembly 39 and the second inclined surface guiding assembly 40 comprises a guide rail and a sliding block matched with the guide rail. Preferably, the guide rail and the sliding block of the first inclined surface guiding assembly 39 are respectively installed on the first wedge-shaped lifting part 34 and the first wedge-shaped part 32, and the guide rail and the sliding block of the second inclined surface guiding assembly 40 are respectively installed on the second wedge-shaped lifting part 35 and the second wedge-shaped part 33.
[0030] In the embodiment, the Z-axis moving device 14 further comprises a first transverse guiding assembly 41 and a second transverse guiding assembly 42, the first wedge-shaped part 32 is connected with the bottom plate 25 through the first transverse guiding assembly 41, and the second wedge-shaped part 33 is connected with the bottom plate 25 through the second transverse guiding assembly 42. The first transverse guiding assembly 41 and the second transverse guiding assembly 42 are both two, and each of the first transverse guiding assembly 41 and the second transverse guiding assembly 42 comprises a guide rail and a sliding block matched with the guide rail. Preferably, the guide rail and the sliding block of the first transverse guiding assembly 41 are respectively installed on the bottom plate 25 and the first wedge-shaped part 32, and the guide rail and the sliding block of the second transverse guiding assembly 42 are respectively installed on the bottom plate 25 and the second wedge-shaped part 33.
[0031] In the embodiment, the Z-axis moving device 14 further comprises two side plates 43, each of which is connected with the bottom plate 25, the first limiting vertical plate 27 and the second limiting vertical plate 28.
[0032] In the embodiment, the Z-axis moving device 14 further comprises a Z-axis locking buckle 45 mounted on the first limiting vertical plate 27, and the Z-axis ball screw 26 passes through the Z-axis locking buckle 45. The Z-axis locking buckle 45 is used for locking the Z-axis ball screw 26 and keeping the current height of the lifting panel 38.
[0033] In conclusion, the utility model provides a kind of Z-axis moving device and three-dimensional moving device, by synchronously driving first wedge, second wedge moves, to synchronously let first wedge promote first wedge lifting piece, second wedge promotes second wedge lifting piece, it is realized to let lifting plate smoothly rise and fall, to be able to fully meet the application in high-precision requirement application scene, facilitate practical application.
[0034] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A Z-axis moving device, characterized in that, It comprises: A bottom plate, a Z-axis ball screw installed on the bottom plate, a first limiting vertical plate and a second limiting vertical plate, a Z-axis driver connected to one end of the Z-axis ball screw, a first screw nut and a second screw nut sleeved on the Z-axis ball screw, a first wedge connected to the first screw nut, a second wedge connected to the second screw nut, a first wedge-shaped lifting piece matched with the first wedge, a second wedge-shaped lifting piece matched with the second wedge, a first vertical guide assembly, a second vertical guide assembly, and a lifting panel connected to the first wedge-shaped lifting piece and the second wedge-shaped lifting piece; the first wedge-shaped lifting piece is connected to the first limiting vertical plate through the first vertical guide assembly, and the second wedge-shaped lifting piece is connected to the second limiting vertical plate through the second vertical guide assembly; the first wedge-shaped lifting piece and the second wedge-shaped lifting piece are synchronously lifted or lowered under the action of the Z-axis ball screw driving the first screw nut and the second screw nut.
2. The Z-axis moving device according to claim 1, wherein Under the driving of the Z-axis ball screw, the first screw nut and the second screw nut rotate in the same direction, and the first wedge-shaped lifting piece and the second wedge-shaped lifting piece move in the same direction.
3. The Z-axis moving device according to claim 1, wherein Under the driving of the Z-axis ball screw, the first screw nut and the second screw nut rotate in opposite directions, and the first wedge-shaped lifting piece and the second wedge-shaped lifting piece move in opposite directions, and the first wedge-shaped lifting piece and the second wedge-shaped lifting piece are symmetrically arranged.
4. The Z-axis moving device of claim 1, wherein It also comprises: A first inclined surface guide assembly and a second inclined surface guide assembly, the first wedge is connected to the first wedge-shaped lifting piece through the first inclined surface guide assembly, and the second wedge is connected to the second wedge-shaped lifting piece through the second inclined surface guide assembly.
5. The Z-axis moving device according to claim 1, wherein It also comprises: A first horizontal guide assembly and a second horizontal guide assembly, the first wedge is connected to the bottom plate through the first horizontal guide assembly, and the second wedge is connected to the bottom plate through the second horizontal guide assembly.
6. The Z-axis moving device according to claim 1, wherein It also comprises: Two side plates, both of which are connected to the bottom plate, the first limiting vertical plate and the second limiting vertical plate.
7. The Z-axis moving device according to claim 1, wherein It also comprises: A Z-axis locking buckle installed on the first limiting vertical plate, and the Z-axis ball screw passes through the Z-axis locking buckle.
8. A three-dimensional movement device, characterized in that It comprises: An X-axis moving mechanism, an X-axis guide assembly, a Y-axis moving mechanism, a Y-axis guide assembly, and the Z-axis moving device of any one of claims 1-7; the Y-axis moving mechanism is installed on the moving part of the X-axis moving mechanism, and the X-axis moving mechanism is connected to the Y-axis moving mechanism through the X-axis guide assembly; the Z-axis moving device is installed on the moving part of the Y-axis moving mechanism, and the Y-axis moving mechanism is connected to the Z-axis moving device through the Y-axis guide assembly.
9. A three-dimensional movement device according to claim 8, characterized in that The X-axis moving mechanism comprises: a bottom frame, an X-axis ball screw installed on the bottom frame, an X-axis screw nut sleeved on the X-axis ball screw, an X-axis driver connected to the X-axis ball screw, and an X-axis locking buckle sleeved on the X-axis ball screw; the X-axis locking buckle is installed on the bottom frame, and the Y-axis moving mechanism is connected to the X-axis screw nut.
10. The three-dimensional movement device according to claim 8, characterized in that The Y-axis moving mechanism comprises a moving frame, a Y-axis ball screw installed on the moving frame, a Y-axis screw nut sleeved on the Y-axis ball screw, a Y-axis driver connected with the Y-axis ball screw, and a Y-axis locking buckle sleeved on the Y-axis ball screw; the Y-axis locking buckle is installed on the moving frame, and the Z-axis moving device is connected with the Y-axis screw nut.