Universal mechanism for double-gantry three-axis action
By using a double gantry three-axis mechanism, employing linear guides and lead screw transmission, combined with servo motor drive, the problems of large space occupation, limited function, and limited precision of traditional gantry multi-axis mechanisms are solved, achieving high-precision, multi-functional integrated automated production.
Patent Information
- Application Number
- CN202520493014.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-20
AI Technical Summary
Traditional gantry multi-axis mechanisms suffer from problems such as large space occupation, limited functionality, limited accuracy, and high maintenance costs.
It adopts a double gantry three-axis mechanism, including two parallel gantry frames, a crossbeam and a sub-beam. Through linear guide rails and lead screw transmission, combined with servo motor drive, it realizes multi-task collaborative operation of the x-axis, y-axis and z-axis, and is equipped with photoelectric position sensors and anti-collision blocks to improve accuracy and durability.
It achieves compact size, high precision, and multi-functional integration, reducing maintenance difficulty and cost, and is suitable for automated production needs in confined spaces.
Smart Images

Figure CN223848595U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of automation equipment, concretely is a gantry support mechanism of multi -axis action. BACKGROUND
[0002] In recent years, with the rapid development of artificial intelligence, robot technology and electronic information technology, automation production has become an important trend in manufacturing industry. Technological progress not only improves the performance and reliability of automation equipment, but also realizes the interconnection between devices through Internet of Things technology, improves production efficiency and quality. At the same time, the increasing demand for high-quality and high-efficiency products in the market, as well as the support of government policies, have promoted the widespread application of automation production. However, if automation production is not adopted, enterprises will face the problems of low production efficiency, high labor cost and unstable product quality. Manual operation is easily affected by factors such as fatigue and emotional fluctuations, resulting in low production efficiency; at the same time, recruitment, training and management of employees also require a lot of manpower. In addition, manual operation may also cause large fluctuations in product quality, affecting the competitiveness and market position of enterprises. Therefore, automation production has become an important means for enterprises to improve production efficiency, reduce costs and improve product quality.
[0003] At present, the support structure applicable to automation production includes multi-axis rotating mechanism, such as mechanical arm, and multi-axis translation mechanism. The multi-axis mechanical arm can easily realize the capture and grabbing of the terminal device of the mechanical arm through the control of multiple rotating shafts. The multi-axis translation mechanism is complex and diverse, and the translation device includes electric slide rod / screw, hydraulic cylinder / cylinder, etc. Based on the translation device, the multi-axis translation mechanism can easily realize the spatial movement of the working end. The gantry type is one of them.
[0004] Traditional gantry type multi-axis mechanism mostly adopts single gantry, which has the following disadvantages: large space occupation: single gantry structure layout is scattered, which is difficult to adapt to compact production environment; single function: only a single work station can be operated, which cannot meet the demand of multi-task cooperation; precision is limited: ordinary slide module is easily affected by deformation, resulting in positioning deviation, and it is difficult to find and correct; high maintenance cost: when a fault is found, the wear and deformation are serious, and it is difficult to repair through simple maintenance. INVENTION CONTENTS
[0005] The utility model aims at providing a double gantry type three-axis mechanism with compact structure, integrated function, high precision and durability, which solves the problems in the above background technology.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of about double-gantry three-axis action general mechanism, including two parallelly arranged gantries, gantry includes stand and crosspiece, linear guide and screw rod are provided on crosspiece, two gantries are connected by crossbeam, crossbeam is vertically arranged with two crosspieces respectively, two ends of crossbeam are respectively overlapped on two crosspieces, by the cooperation of linear guide on crosspiece and slide table, it is driven along linear guide by screw rod on crosspiece, crossbeam is provided with integrated slide table module, including embedded box and the guide, screw rod and carrying slide table arranged in embedded box, carrying slide table is fixed with vertical mounting plate, vertical mounting plate is installed with vertically arranged integrated slide table module, vertical slide table module is loaded with operating end.
[0007] In the utility model, the two gantries are further provided with a secondary beam, the secondary beam is arranged in parallel with the crossbeam, the two ends of the secondary beam are respectively overlapped on the two crosspieces, the secondary beam is cooperated with the linear guide on the crosspiece through the slide table, the secondary beam is installed with an integrated slide table module, and the integrated slide table module is loaded with an operating end for assisting the operating end of the crossbeam or an equipment for detecting the operating end.
[0008] Further, the screw rod installed on the gantry includes a long screw rod and a short screw rod, which are driven by a servo motor respectively, and are installed on the two gantries respectively, one end of the long screw rod is aligned with one end of the short screw rod, a first screw nut fixing block is arranged at one end of the main beam and penetrates the long screw rod, the first screw nut fixing block is integrally connected with the slide table at the end of the main beam, a second screw nut fixing block is arranged at one end of the secondary beam and penetrates the short screw rod, the second screw nut fixing block is integrally connected with the slide table at the end of the secondary beam, and the first screw nut fixing block and the second screw nut fixing block are respectively located on the two gantries.
[0009] In the utility model, the crosspiece is provided with a photoelectric position sensor and a bump stop, the photoelectric position sensor cooperates with the slide table at the linear guide on the crosspiece, and the bump stop is arranged on the crosspiece at the two ends of the screw rod respectively to avoid collision and damage of the slide table.
[0010] In the utility model, the movement of the slide table on the crosspiece, the integrated slide table module on the crossbeam and the secondary beam, and the vertical slide table module installed on the carrying slide table of the crossbeam jointly constitute the x-axis, y-axis and z-axis supporting the movement of the operating end.
[0011] Further, the vertical slide table module arranged on the z-axis includes at least one, and multiple vertical slide table modules can be arranged according to requirements.
[0012] In the utility model, the gantry, the crossbeam and the secondary beam are respectively provided with a drag chain, wires are arranged in the drag chain to provide power support for the servo motor on the gantry and each integrated slide table module.
[0013] The linear guide rail is a Q235A steel profile structure plated with hard chromium on the surface.
[0014] The utility model provides a kind of about double-gantry three-axis action general mechanism. The general action mechanism about double-gantry three-axis action has the following beneficial effects:
[0015] (1) the utility model discloses a double y-axis shared linear guide rail, reduces the size of mechanism, applicable to narrow space;
[0016] (2) the utility model discloses beam and vice beam division cooperation, can be mutually matched to complete assembly etc.
[0017] (3) the utility model discloses the linear guide rail that is easily abraded is reinforced rigid, and double wire bar transmission promotes bearing capacity, ensures movement precision and service life, reduces overhaul and maintenance;
[0018] (4) the utility model discloses an integrated slide platform module, modularization is convenient to dismount, reduces overhaul and maintenance difficulty.
[0019] In conclusion, the utility model discloses novel concept, clever design, realizes the automation production demand of compact space, high precision and multifunctional integration. BRIEF DESCRIPTION OF DRAWINGS
[0020] Fig. 1 It is the whole structure schematic diagram of the utility model;
[0021] Fig. 2 It is the main body structure schematic diagram of the utility model.
[0022] In the drawing: gantry 1, cross 2, column 3, linear guide rail 4, long wire bar 5, short wire bar 6, crossbeam 7, vice beam 8, slide platform 9, first screw nut fixed block 10, second screw nut fixed block 11, servo motor 12, vertical mounting plate 13, integrated slide platform module 14, operation end 15, vertical mounting frame 16, anti-collision block 17, reinforced guide rail 18, sliding block 19, drag chain 20. DETAILED DESCRIPTION
[0023] In order to have more clear understanding to the technical features, purposes and effects of the utility model, present specific embodiment of the utility model with reference to the drawings.
[0024] The preferred embodiment of the general action mechanism about double-gantry three-axis action provided by the utility model is as shown in Figs. 1-2 The drawings.
[0025] The utility model relates to a general action mechanism about gantry three -axis action, including two parallelly arranged gantry 1 and the crossbeam 7 and the vice beam 8 connected on two gantry 1, and the crossbeam 7 and the vice beam 8, gantry 1 includes upright column 3 and cross 2, upright column 3 is arranged below the both ends of cross 2, supports cross 2, and the upper side of cross 2 is provided with linear guide rail 4 and screw rod arranged along cross 2, linear guide rail 4 is located the outside of two cross 2, and screw rod is located the inside of two cross 2, and screw rod includes long screw rod 5 and short screw rod 6, is driven by servo motor 12 respectively, is installed on the cross 2 of two gantry 1 respectively, and the one end of long screw rod 5 and short screw rod 6 is aligned, and the slide 9 from crossbeam 7 and vice beam 8 is operated on linear guide rail 4, and the first screw rod nut fixed block 10 from crossbeam 7 is operated on long screw rod 5, and the second screw rod nut fixed block 11 from vice beam 8 is provided on cross 2, and the first screw rod nut fixed block 10 and crossbeam 7 are mounted on the same side slide 9 on linear guide rail 4 integral structure, and the second screw rod nut fixed block 11 and vice beam 8 are mounted on the same side slide 9 on linear guide rail 4 integral structure. Cross 2 is further provided with photoelectric position sensor and anti -collision block 17, and photoelectric position sensor cooperates with the slide 9 at the linear guide rail 4 of cross 2, and anti -collision block 17 is provided on the cross 2 at the both ends of long screw rod 5 and short screw rod 6 respectively.
[0026] The both ends of crossbeam 7 are provided with slide 9, and one end is provided with the first screw rod nut fixed block 10 of integral structure with slide 9, and the first screw rod nut fixed block 10 is threaded to long screw rod 5, when long screw rod 5 is rotated by servo motor 12 at its end, the first screw rod nut fixed block 10 is driven to move freely along long screw rod 5, and then drives crossbeam 7 to move freely along the direction of gantry 1. Crossbeam 7 is provided with integral slide module 14, including embedded box body and guide rail, screw rod and carrying slide provided in embedded box body, and the side or lower part of crossbeam 7 is provided with reinforced guide rail 18 and sliding block 19, and sliding block 19 is fixedly connected with carrying slide, to strengthen the support of crossbeam 7 to carrying slide, strengthen the structure of crossbeam 7, and improve the carrying capacity of carrying slide.
[0027] Vice beam 8 is arranged on one side of crossbeam 7, and is arranged in parallel, and the both ends of vice beam 8 are provided with slide 9, and one end is provided with the second screw rod nut fixed block 11 of integral structure with slide 9, and the second screw rod nut fixed block 11 is threaded to short screw rod 6, when short screw rod 6 is rotated by servo motor 12 at its end, the second screw rod nut fixed block 11 is driven to move freely along short screw rod 6, and then drives vice beam 8 to move freely along the direction of gantry 1. Vice beam 8 is provided with integral slide module 14, including embedded box body and guide rail, screw rod and carrying slide provided in embedded box body.
[0028] The vertical installation plate 13 is fixed on the carrying slide of the integral slide module 14 arranged on the cross beam 7, the vertical installation plate 13 is arranged with the vertical integral slide module 14, the vertical slide module is arranged with the operation end 15, the vertical installation frame 16 is fixed on the carrying slide of the slide module arranged on the auxiliary beam 8, the vertical installation frame 16 is arranged with the operation end 15 which assists the operation end 15 of the cross beam 7 or detects the operation end 15 of the cross beam 7.
[0029] The movement of the slide 9 on the cross frame 2, the integral slide module 14 on the cross beam 7 and the auxiliary beam 8, the vertical slide module arranged on the carrying slide of the cross beam 7, jointly constitute the x-axis, y-axis and z-axis which support the movement of the operation end 15.
[0030] The cross frame 1, the cross beam 7 and the auxiliary beam 8 are respectively arranged with the drag chain 20, the wire is arranged in the drag chain 20, the wire provides power support for the servo motor 12 on the cross frame 1 and each integral slide module 14.
[0031] The cross frame 1, the cross beam 7 and the auxiliary beam 8 are respectively arranged with the drag chain 20, the wire is arranged in the drag chain 20, the wire provides power support for the servo motor 12 on the cross frame 1 and each integral slide module 14.
[0032] The above merely illustrates the specific implementation of the present application, and is not used to limit the scope of the present application. Any person skilled in the art, without departing from the concept and principle of the present application, makes equivalent changes and modifications, which should belong to the protection scope of the present application. It should be noted that the components of the present application are not limited to the above whole application, and the technical features described in the specification of the present application can be selected for single use or combined use according to actual needs, therefore, the present application naturally covers other combinations and specific applications related to the present application.
Claims
1. A general mechanism for double-gantry three-axis motion, characterized by: The two gantries are arranged side by side, and each gantry comprises a column and a cross beam, the cross beam is provided with a linear guide rail and a screw rod, the two gantries are connected by a cross beam, the cross beam is arranged perpendicularly to the two cross beams, the two ends of the cross beam are respectively overlapped on the two cross beams, the cross beam is driven by the screw rod on the cross beam to move freely along the linear guide rail, the cross beam is provided with an integrated slide module, which comprises an embedded box body and a guide rail, a screw rod and a carrying slide arranged in the embedded box body, a vertical mounting plate is fixed on the carrying slide, a vertical integrated slide module is mounted on the vertical mounting plate, and an operation end is loaded on the vertical slide module.
2. The universal mechanism of claim 1, wherein: The two gantries are arranged side by side, and each gantry comprises a column and a cross beam, the cross beam is provided with a linear guide rail and a screw rod, the two gantries are connected by a cross beam, the cross beam is arranged perpendicularly to the two cross beams, the two ends of the cross beam are respectively overlapped on the two cross beams, the cross beam is driven by the screw rod on the cross beam to move freely along the linear guide rail, the cross beam is provided with an integrated slide module, which comprises an embedded box body and a guide rail, a screw rod and a carrying slide arranged in the embedded box body, a vertical mounting plate is fixed on the carrying slide, a vertical integrated slide module is mounted on the vertical mounting plate, and an operation end is loaded on the vertical slide module.
3. The universal mechanism of claim 2, wherein: The screw rod mounted on the gantry comprises a long screw rod and a short screw rod, which are driven by a servo motor respectively, and are installed on the two gantries respectively, one end of the long screw rod is aligned with one end of the short screw rod, a first screw nut fixing block is arranged at one end of the main beam and penetrates the long screw rod, the first screw nut fixing block is integrally connected with the slide at the end of the main beam, a second screw nut fixing block is arranged at one end of the auxiliary beam and penetrates the short screw rod, the second screw nut fixing block is integrally connected with the slide at the end of the auxiliary beam, and the first screw nut fixing block and the second screw nut fixing block are respectively located on the two gantries.
4. The universal mechanism of claim 1, wherein: The cross beam is provided with a photoelectric position sensor and a bump stop, the photoelectric position sensor cooperates with the slide at the linear guide rail on the cross beam, and the bump stop is arranged on the cross beam at the two ends of the screw rod.
5. The universal mechanism of claim 2, wherein: The movement of the slide on the cross beam, the integrated slide module on the cross beam and the auxiliary beam, and the vertical slide module mounted on the carrying slide of the cross beam jointly constitute an x-axis, a y-axis and a z-axis supporting the movement of the operation end.
6. The universal mechanism of claim 5, wherein: The vertical slide module arranged on the z-axis comprises at least one.
7. The universal mechanism of claim 2, wherein: The gantry, the cross beam and the auxiliary beam are respectively provided with a drag chain, and wires are arranged in the drag chain to provide power support for the servo motor on the gantry and each integrated slide module.