Transfer translation mechanism

By using a horizontal telescopic movement mechanism and a gear and rack meshing design, the limitations of traditional forks in confined spaces are solved, enabling flexible telescopic movement of fork components and precise handling of items in confined spaces.

CN223674244UActive Publication Date: 2025-12-16HAO JING COLLEGE OF SHAANXI UNIV OF SCI & TECH
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Patent Information

Application Number
CN202520184771.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2025-12-16
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

Traditional telescopic forks, when extended horizontally, have difficulty adapting to confined spaces due to the synchronized movement of the forks, resulting in limitations in the retrieval and placement of items.

Method used

A horizontal telescopic movement mechanism is adopted, which realizes the independent horizontal movement of the upper and lower fork components through the combination of a rotating shaft, gears, racks and rotary drive. The meshing of gears and racks drives the horizontal extension and retraction of the fork, and the movement control is optimized by combining support rollers and displacement sensors.

Benefits of technology

It enables flexible extension and retraction of the fork assembly in confined spaces, reducing the footprint and making it suitable for diverse scenarios. Furthermore, it improves the accuracy and efficiency of item handling through controllers and displacement sensors.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a transfer translation mechanism, which comprises a support seat and a plurality of groups of fork body components, the plurality of groups of fork body components are stacked up and down, each group of fork body component comprises two parallel fork bodies, the bottom of the fork body in the fork body component at the lowest side is fixed with the top of the support seat, and the bottom of the fork body in the fork body component at the lowest side is fixed with the top of the support seat. Every two vertically adjacent fork body assemblies are connected through a horizontal telescopic moving mechanism, each horizontal telescopic moving mechanism comprises a rotating shaft which is horizontally erected between the two fork bodies in the lower fork body assembly, and the two ends of each rotating shaft are rotationally connected with the centers of the inner side walls of the two fork bodies in the lower fork body assembly correspondingly; the two gears are fixedly arranged on the shaft sections on the two sides of the rotating shaft in a sleeving manner respectively; the two racks are fixed to the inner side walls of the two fork bodies located in the upper side fork body assembly respectively and meshed with the gear. The output end of the rotary driving part is connected with the rotating shaft. According to the telescopic fork, each fork body assembly can independently and horizontally move in a telescopic mode, and the telescopic fork is suitable for being used in narrow space.
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Description

TECHNICAL FIELD

[0001] The utility model relates to object handling technical field, concretely is a kind of transfer translation mechanism. BACKGROUND

[0002] Currently, when taking the article located at high position on the object support, it is generally needed to realize the taking process of the article at high position by the cooperation of lifting mechanism and transfer translation mechanism, usually, first, the transfer translation mechanism is moved to a certain height by lifting mechanism, then, the transfer translation mechanism is horizontally extended into the storage area of the object support to realize the taking of the article.

[0003] As a kind of transfer translation mechanism, the telescopic fork is usually composed of multiple upper and lower stacked fork bodies, chain type transmission mode or synchronous belt mode is usually used to drive between fork bodies, to realize the fork body translation telescopic process similar to ladder type, taking the telescopic fork composed of three upper and lower arranged fork bodies as an example, when being driven by chain type transmission mode or synchronous belt mode, middle fork body moves relative to lower fork body, middle fork body drives upper fork body to move while moving, to realize the simultaneous extension or contraction of middle fork body and upper fork body, to realize the purpose of fork taking and carrying article, however, the simultaneous telescopic movement process between fork bodies will lead to the difficulty in applying to the article taking and placing process in narrow space environment, thus, there is use limitation, and it is difficult to meet the diversified operation demand of scene. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of transfer translation mechanism, to solve the problem that each fork body simultaneously extends or contracts when the traditional telescopic fork is horizontally telescoped, and it is difficult to adapt to the article taking and placing in narrow space environment.

[0005] The technical scheme of the utility model is:

[0006] A kind of transfer translation mechanism, including support seat and multiple fork body assemblies, multiple fork body assemblies are stacked up and down, each fork body assembly includes two parallel arranged fork bodies, the bottom of the fork body in the lowermost fork body assembly is fixed to the top of the support seat, and the horizontal telescopic movement mechanism is connected between the upper and lower adjacent two fork body assemblies, the horizontal telescopic movement mechanism includes shaft, two gears, two racks and rotary drive part;Shaft is horizontally erected between the two fork bodies in the lower fork body assembly, and the two ends of the shaft are respectively rotationally connected with the center of the inner side wall of the two fork bodies in the lower fork body assembly;Two gears are respectively fixed on the two sides of the shaft segment of the shaft;Two racks are respectively fixed horizontally on the inner side wall of the two fork bodies in the upper fork body assembly, and are located above the gears, and the two racks are respectively engaged with the two gears;The output end of rotary drive part is connected with the shaft for driving the shaft to rotate.

[0007] Preferably, as a further improvement of the utility model, the rotating shaft has two, one end of two rotating shafts is respectively connected with the inner side wall center of two forks in the fork assembly, the rotating drive part is a double shaft motor, and the double shaft motor is located between the two rotating shafts, two output shafts of the double shaft motor are respectively connected with the other end of the two rotating shafts, the machine body of the double shaft motor arranged in the lowermost fork assembly is fixed with the support base through the first motor fixing frame, the machine body of the remaining double shaft motor is fixed with the second motor fixing frame, and the second motor fixing frame is horizontally arranged and fixed between the two forks in the fork assembly.

[0008] Preferably, as a further improvement of the utility model, the fork assembly has three groups, and the forks in the three fork assemblies are sequentially divided into first forks, second forks and third forks from bottom to top, the width of the first fork, the width of the second fork and the width of the third fork increase in turn, the bottom of the second fork is provided with a first groove arranged along the length direction thereof, the bottom of the third fork is provided with a second groove arranged along the length direction thereof, the bottom of the second fork is slidably connected with the top of the first fork through the first groove, and the bottom of the third fork is slidably connected with the top of the second fork through the second groove.

[0009] Preferably, as a further improvement of the utility model, the inside of the first groove and the inside of the second groove are each provided with a plurality of supporting rollers, the bottom of the supporting roller in the first groove is in contact with the top of the first fork, and the bottom of the supporting roller in the second groove is in contact with the top of the second fork.

[0010] Preferably, as a further improvement of the utility model, the controller is electrically connected with the double shaft motor.

[0011] Preferably, as a further improvement of the utility model, the two ends of the second fork and the two ends of the third fork are each provided with a displacement sensor, and each displacement sensor is electrically connected with the controller.

[0012] Preferably, as a further improvement of the utility model, the two ends of the rack are provided with limit switches, and each limit switch is electrically connected with the controller.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The horizontal telescopic movement mechanism enables individual relative horizontal movement between two adjacent sets of fork assemblies. During movement, the rotary drive unit rotates the shaft, which in turn drives two gears to rotate synchronously. Since the gears mesh with the rack, the rotation of the two gears drives the two racks to move horizontally, thereby causing the two forks in the upper fork assembly to move horizontally. By controlling the direction of rotation of the rotary drive unit, the horizontal left and right telescopic movement of the two forks in the fork assembly can be adjusted. This allows each set of fork assemblies to move horizontally independently. Compared with traditional synchronous telescopic forks, this mechanism is suitable for use in confined spaces and has the advantage of not being limited by the available space. Attached Figure Description

[0015] Figure 1 This is a top view of the transfer and translation mechanism of this utility model when it extends to one side.

[0016] Figure 2 This is a front half-section view of the transfer and translation mechanism of this utility model when it extends to one side.

[0017] Figure 3 This is a top view of the transfer and translation mechanism of this utility model when it extends to the other side.

[0018] Figure 4 This is a front half-section view of the transfer and translation mechanism of this utility model when it extends to the other side.

[0019] Figure 5 This is a front half-section view of the transfer and translation mechanism of this utility model in its fully retracted state. Detailed Implementation

[0020] The following is in conjunction with the appendix Figure 1 To the attached Figure 5 The specific embodiments of this utility model will be described in detail below. In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0021] The terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or a specific number of the technical features indicated. Thus, the features defined with "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features; in the description of the utility model, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0022] Embodiments

[0023] As Figures 1 to 5 shown, the utility model discloses a kind of transfer translation mechanism, including support seat 1 and multiple groups of fork body components 2, multiple groups of fork body components 2 are stacked up and down, every group of fork body components 2 includes two parallelly arranged forks, the bottom of the fork in the lowermost fork body component 2 is fixed with the top of support seat 1, and the horizontally telescopic moving mechanism is connected between two adjacent fork body components 2 up and down, and the horizontally telescopic moving mechanism includes rotating shaft 31, two gears 32, two racks 33 and rotary drive part 34;Rotating shaft 31 is horizontally erected between two forks in the lower fork body component 2, and the two ends of rotating shaft 31 are respectively rotationally connected with the center of the inner side wall of two forks in the lower fork body component 2;Two gears 32 are respectively fixed on the two sides of rotating shaft 31;Two racks 33 are respectively fixed horizontally on the inner side wall of two forks in the upper fork body component 2, and are located above gear 32, and two racks 33 and two gears 32 are respectively engaged;The output end of rotary drive part 34 is connected with rotating shaft 31, for driving rotating shaft 31 to rotate.

[0024] In the embodiment, the horizontally telescopic moving mechanism can realize the relative horizontal movement function between two adjacent fork body components 2 up and down, when moving, rotating shaft 31 is driven to rotate by controlling rotary drive part 34, rotating shaft 31 drives two gears 32 to rotate synchronously when rotating, and two gears 32 drive two racks 33 to move horizontally when rotating due to the engagement of gear 32 and rack 33, and then drive two forks in the upper fork body component 2 to move horizontally, the rotating direction of rotating shaft 31 is driven by controlling rotary drive part 34, which can realize the adjustment of the horizontal left-right telescopic movement of two forks in fork body component 2, so that each fork body component can move horizontally and telescopically independently, compared with the traditional synchronous telescopic fork, it is suitable for narrow space, not limited by the range of space.

[0025] Further, the rotating shafts 31 are two, and one end of the two rotating shafts 31 is respectively rotatably connected to the center of the inner side wall of the two prongs in the prong assembly 2. Specifically, the rotating drive part 34 is a double-shaft motor, and the double-shaft motor is located between the two rotating shafts 31. The two output shafts of the double-shaft motor are respectively connected to the other end of the two rotating shafts 31. The machine body of the double-shaft motor arranged in the lowermost prong assembly 2 is fixed with the support seat 1 through the first motor fixing frame 41. The machine body of the remaining double-shaft motor is fixed with the second motor fixing frame 42, and the second motor fixing frame 42 is horizontally arranged and fixed between the two prongs in the prong assembly 2.

[0026] In another embodiment of the present application, the prong assembly 2 has three groups, and the prongs in the three groups of prong assemblies 2 are sequentially divided into the first prong 21, the second prong 22 and the third prong 23 from bottom to top. The width of the first prong 21, the width of the second prong 22 and the width of the third prong 23 increase in turn. The bottom of the second prong 22 is provided with a first groove arranged along the length direction thereof. The bottom of the third prong 23 is provided with a second groove arranged along the length direction thereof. The bottom of the second prong 22 is slidably connected with the top of the first prong 21 through the first groove. The bottom of the third prong 23 is slidably connected with the top of the second prong 22 through the second groove.

[0027] Through the above arrangement, the prong assembly 2 can be contracted together when not in use, reducing the floor area. The first groove and the second groove can realize the sliding support function. When the second prong 22 moves horizontally and telescopically, the top of the first prong 21 supports the bottom of the second prong 22. When the third prong 23 moves horizontally and telescopically relative to the second prong 22, the top of the second prong 22 supports the bottom of the third prong 23, ensuring that the object can be carried.

[0028] Further, in order to reduce the friction between the adjacent prongs, a plurality of support rollers 5 are arranged in the first groove and the second groove. The bottom of the support roller 5 in the first groove is in contact with the top of the first prong 21. The bottom of the support roller 5 in the second groove is in contact with the top of the second prong 22. The support roller 5 realizes the sliding support function, and the acting surface of the support roller 5 is circular, which can reduce the friction.

[0029] Further, in order to facilitate the control of the horizontal telescopic movement process of each prong assembly of the transfer translation mechanism, a controller is further included. The controller is electrically connected with the double-shaft motor, and the double-shaft motor is driven to move by the controller.

[0030] Further, in order to detect the distance between the fork moving distance target object, therefore, the two ends of the second fork 22 and the two ends of the third fork 23 are provided with displacement sensor 6, each displacement sensor 6 is respectively connected with the controller, through the setting of displacement sensor 6 can detect the distance between the second fork 22 and the third fork 23 translation movement, the distance of the target object, according to the detected distance control double shaft motor continue to rotate or stop, so as to realize the fork carrying process of object.

[0031] Further, in order to avoid the gear 32 rotates driven rack 33 translation, the problem of rack 33 out of moving range from the gear 32, therefore, the two ends of the rack 33 is provided with limit switch, each limit switch is respectively connected with the controller, through the setting of limit switch can sense the limit range of rack 33 movement, avoid from the gear 32.

[0032] The above disclosed is only the preferred several specific embodiments of the present application, however, the present application embodiment is not limited to this, any person skilled in the art can think of the change should fall into the protection scope of the present application.

Claims

1. A transfer translation mechanism, comprising a support base (1) and a plurality of fork body assemblies (2) arranged in layers one above another, each fork body assembly (2) comprising two parallel arranged fork bodies, the bottom of the fork bodies in the lowermost fork body assembly (2) being fixed to the top of the support base (1), and the upper and lower adjacent fork body assemblies (2) being connected by a horizontal telescopic movement mechanism, characterized in that, The horizontal telescopic moving mechanism comprises: a rotating shaft (31) horizontally arranged between two forks in the lower fork assembly (2), the rotating shaft (31) being rotatably connected to the center of the inner side wall of each of the two forks in the lower fork assembly (2); two gears (32) respectively sleeved and fixed on the two shaft segments of the rotating shaft (31); two racks (33) respectively horizontally fixed on the inner side walls of the two forks in the upper fork assembly (2) and located above the gears (32), the two racks (33) being respectively engaged with the two gears (32); a rotating driving part (34) having an output end connected to the rotating shaft (31) for driving the rotating shaft (31) to rotate.

2. The transfer translation mechanism of claim 1, wherein, The rotating shaft (31) has two ends rotatably connected to the inner side walls of the two forks in the fork assembly (2), the rotating driving part (34) is a double-shaft motor, the double-shaft motor is located between the two rotating shafts (31), the two output shafts of the double-shaft motor are respectively connected to the other ends of the two rotating shafts (31), the machine body of the double-shaft motor arranged in the lowermost fork assembly (2) is fixed to the support base (1) through a first motor fixing frame (41), the machine bodies of the remaining double-shaft motors are fixed to a second motor fixing frame (42), and the second motor fixing frame (42) is horizontally arranged and fixed between the two forks in the fork assembly (2).

3. The transfer translation mechanism of claim 2, wherein, The fork assembly (2) has three groups, the forks in the three groups of fork assemblies (2) are sequentially divided into first forks (21), second forks (22) and third forks (23) from bottom to top, the widths of the first forks (21), the second forks (22) and the third forks (23) sequentially increase, the bottom of the second fork (22) is provided with a first groove arranged along the length direction of the second fork (22), the bottom of the third fork (23) is provided with a second groove arranged along the length direction of the third fork (23), the bottom of the second fork (22) is slidably connected to the top of the first fork (21) through the first groove, and the bottom of the third fork (23) is slidably connected to the top of the second fork (22) through the second groove.

4. The transfer translation mechanism of claim 3, wherein, The first groove and the second groove are each provided with a plurality of supporting rollers (5), the bottom of the supporting rollers (5) in the first groove is in contact with the top of the first fork (21), and the bottom of the supporting rollers (5) in the second groove is in contact with the top of the second fork (22).

5. The transfer translation mechanism of claim 3, wherein, A controller is further arranged and electrically connected to the double-shaft motor.

6. The transfer translation mechanism of claim 5, wherein, The two ends of the second fork (22) and the two ends of the third fork (23) are each provided with a displacement sensor (6), and each displacement sensor (6) is electrically connected to the controller.

7. The transfer translation mechanism of claim 6, wherein, The two ends of the rack (33) are provided with limit switches, and each limit switch is electrically connected to the controller.