CN211997487U

CN211997487U - Sliding swing arm control device and automatic logistics trolley

Info

Publication number: CN211997487U
Application number: CN201922395352.2U
Authority: CN
Inventors: 翟大庆; 马珺杰; 莫泉湖; 李思俊; 胥健; 石磊
Original assignee: Sichuan Guoruan Science & Technology Development Co ltd
Current assignee: Sichuan Guoruan Technology Group Co Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-11-24
Anticipated expiration: 2029-12-26

Abstract

The utility model belongs to the technical field of automatic logistics mechanical equipment, concretely relates to sliding swing arm controlling means and automatic logistics dolly. Swing arm drive arrangement is equipped with controlled pivoted lead screw, drive first slider and drive the swing arm and rotate, still be provided with the second slider of first slider rigid coupling, and second slider and first slider synchronous motion simultaneously again with guide rail sliding connection and keep leaning on, lead screw and guide rail only bear axial force and radial force respectively, simplify the atress condition of complicacy, the atress direction is invariable, and undulant great yawing force is undertaken by the more stable slide rail of structure, drive arrangement's loss has effectively been avoided, show the life who has prolonged whole device, have very big spreading value and application prospect.

Description

Sliding swing arm control device and automatic logistics trolley

Technical Field

The utility model belongs to the technical field of automatic logistics mechanical equipment, concretely relates to sliding swing arm controlling means and automatic logistics dolly.

Background

In the field of automated logistics machinery, it is often necessary to secure an article with a swing arm that can be deployed and retracted to effect the transfer of the article. During the process of unfolding and fixing the swing arm, the swing arm needs to be driven to act, and after the swing arm reaches the working position, the swing arm needs to bear great force from the transported object. In the current conventional technical scheme, the driving device is required to be subjected to the force in the front-back direction and the lateral impact in the swinging arm rotating process and the swinging arm working process, and the force is not constant in the stress direction and unstable in force size, so that the driving device is greatly damaged, the fault of the driving device is extremely easily caused, and the service life of the whole device is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's defect, providing a drive arrangement only bears the strength of fore-and-aft direction, and the side impact makes the direction of force invariable by the gliding swing arm controlling means that special structure bore, and the structure of "each division of duties" has effectively avoided drive arrangement's loss, is showing the life who has prolonged whole device.

In order to realize the purpose of the utility model, the utility model adopts the technical proposal that: a sliding swing arm control device comprises a bottom plate fixedly connected with a rack, wherein the upper end of the bottom plate is hinged with a swing arm, and the middle part of the swing arm is hinged with a mandril; a screw rod capable of being controlled to rotate is arranged on the bottom plate through a support, the screw rod is in transmission connection with a first sliding block through thread engagement, and one end, far away from the swing arm, of the ejector rod is hinged with the first sliding block; the bottom plate face is fixedly connected with a guide rail, the guide rail is connected with a second sliding block in a sliding mode, and the first sliding block is fixedly connected with the second sliding block. The lead screw only bears the axial force of fore-and-aft direction, and the side impact is radial power and is transmitted for the guide rail and then transmit to the frame by the second slider promptly, and lead screw and guide rail "each play its own role", only bear axial force and radial power respectively, simplify complicated atress condition, the atress direction is invariable, and undulant great lateral force is undertaken by the more stable guide rail of structure, has effectively avoided drive arrangement's loss, is showing the life who has prolonged whole device.

Furthermore, the upper end of the guide rail is provided with a first limit, the first limit corresponds to the limit position of the second sliding block at the upper end of the guide rail, the lower end of the guide rail is provided with a second limit, and the second limit corresponds to the limit position of the second sliding block at the lower end of the guide rail. The upper end and the lower end of the guide rail are respectively provided with a first limit and a second limit, and after the second sliding block moves to the limit position, the controlled and rotated lead screw stops acting in time, so that the swing arm is prevented from colliding with other parts of the control device or transported objects.

Furthermore, the support comprises a first support located at the upper end of the guide rail and a second support located at the lower end of the guide rail, the screw is respectively connected with the first support and the second support in a rotating mode, and the lower end of the screw penetrates out of the second support and then is fixedly connected with the output end of the motor. Through setting up the support to, guaranteed lead screw moving stability, also be convenient for transmit the axial force that the lead screw received for the frame through the support, the motor is the controlled pivoted prime mechanism of lead screw.

Furthermore, a third limit is arranged on the first support, and when the second sliding block is located at the limit position of the upper end of the guide rail, the third limit is in contact with the second sliding block or the first sliding block. The contact type third limiting is arranged mechanically, so that one more guarantee can be provided, and the situation that the second sliding block continues to move after moving to the upper end limit position, so that parts of the control device or the transported object are damaged is avoided.

Furthermore, the upper end of the bottom plate is vertically fixedly connected with an extension plate, and the swing arm is hinged with one end, far away from the bottom plate, of the extension plate. The structure can be optimized by arranging the extension plate, so that the ejector rod can be arranged shorter, and the lateral impact on the guide rail is smaller.

Further, the bottom of the extension plate is provided with a supporting roller. The swing arm is only hinged with the bottom plate at the tail end, the end overhanging outside the swing arm has larger overhanging force, and the arrangement of the supporting roller can improve the stress condition of the swing arm, avoid the damage of the device and prolong the service life.

Furthermore, two ejector rods are arranged between the swing arm and the first sliding block, and the two ejector rods are respectively located on the top surface and the bottom surface of the swing arm. Two ejector pins combined action make first slider pass through the ejector pin and promote or when pulling the swing arm and rotate, the atress is more stable, and the motion is more smooth and easy.

Furthermore, one end, far away from the bottom plate, of the swing arm is provided with a buffer roller. The swing arm can be buffered when the swing arm is in contact with an article to be transported, and the swing arm and the article to be transported are protected.

An automatic material flow trolley comprises the sliding type swing arm control device.

The utility model discloses following beneficial effect has:

swing arm drive arrangement is equipped with controlled pivoted lead screw, drive first slider and drive the swing arm and rotate, still be provided with the second slider of first slider rigid coupling, and second slider and first slider synchronous motion simultaneously again with guide rail sliding connection and keep leaning on, lead screw and guide rail "each other's duties", only bear axial force and radial force respectively, simplify complicated atress condition, the atress direction is invariable, and undulant great yawing force is undertaken by the more stable guide rail of structure, drive arrangement's loss has effectively been avoided, show the life who has prolonged whole device, have very big spreading value and application prospect.

Drawings

Fig. 1 is an overall schematic view of the swing arm of the present invention in a retracted state;

fig. 2 is an overall schematic view of the swing arm of the present invention in the unfolded state;

fig. 3 is a schematic diagram of the utility model implemented on an automatic logistics trolley.

Detailed Description

Referring to fig. 1 to 2, the present embodiment shows a sliding swing arm control device, which includes a bottom plate 1 fixedly connected to a frame, a swing arm 2 hinged to an upper end of the bottom plate 1, and a top rod 3 hinged to a middle portion of the swing arm 2; a screw rod 42 which can be controlled to rotate is arranged on the bottom plate 1 through a bracket, the screw rod 42 is in transmission connection with a first sliding block 41 through thread engagement, and one end of the ejector rod 3, which is far away from the swing arm 2, is hinged with the first sliding block 41; the surface of the bottom plate 1 is fixedly connected with a guide rail 61, the guide rail 61 is connected with a second slide block 62 in a sliding way, and the first slide block 41 is fixedly connected with the second slide block 62. It can be understood that the screw 42 is controlled to rotate, the first slider 41 is driven to move along the screw 42, so as to drive the ejector rod 3 to rotate the swing arm 2, the first slider 41 is fixedly connected with the second slider 62, so that the first slider is connected with the guide rail 61 in a sliding manner, in the process that the screw 42 drives the swing arm 2, the second slider 62 moves synchronously along with the first slider 41 and is always kept against the guide rail 61, the screw 42 only bears axial force in the front-back direction, lateral impact, namely radial force, is transmitted to the guide rail 61 by the second slider 62 and then transmitted to the rack, the screw 42 and the guide rail 61 respectively play roles, and only bear axial force and radial force respectively, so that the complex stress condition is simplified, the stress direction is constant, and lateral force with larger fluctuation is borne by the guide rail 61 with a more stable structure, the loss of the driving device is effectively avoided, and the service life of the whole device is remarkably prolonged. Furthermore, two ejector rods 3 are arranged between the swing arm 2 and the first sliding block 41, and the two ejector rods 3 are respectively positioned on the top surface and the bottom surface of the swing arm 2, so that the two ejector rods 3 act together to enable the first sliding block 41 to be stressed more stably and move more smoothly when the swing arm 2 is pushed or pulled to rotate through the ejector rods 3.

Further, the bracket comprises a first bracket 51 positioned at the upper end of the guide rail 61 and a second bracket 52 positioned at the lower end of the guide rail 61, the screw 42 is respectively rotatably connected with the first bracket 51 and the second bracket 52, and the lower end of the screw 42 penetrates through the second bracket 52 and then is fixedly connected with the output end of the motor 43. It can be understood that the support pair is arranged, so that the running stability of the lead screw 42 is ensured, the axial force borne by the lead screw 42 is conveniently transmitted to the rack through the support, and the motor 43 is a primary driving mechanism for controlled rotation of the lead screw 42 and can be a stepping motor, a servo motor, a common motor and the like.

Further, the upper end of the guide rail 61 is provided with a first limit 71, the first limit 71 corresponds to the limit position of the second slider 62 at the upper end of the guide rail 61, the lower end of the guide rail 61 is provided with a second limit 72, and the second limit 72 corresponds to the limit position of the second slider 62 at the lower end of the guide rail 61. The first bracket 51 is provided with a third limit 73, and when the second slide block 62 is at the limit position of the upper end of the guide rail 61, the third limit 73 is contacted with the second slide block 62 or the first slide block 41. It can be understood that set up first spacing 71 and second spacing 72 respectively at guide rail 61 upper end and lower extreme, second slider 62 moves to extreme position back, and controlled pivoted lead screw 42 in time stops the action, avoids swing arm 2 and other spare parts of controlling means or is transported the object and takes place to collide with, and wherein first spacing 71 and second spacing 72 be photoelectric sensor can with control lead screw 42 pivoted former driving mechanism electric signal connection, and sensitivity is high, and it is convenient to control. And set up mechanical contact third spacing 73, can have a multiple guarantee, in case first spacing 71 of photoelectric type and the spacing 72 of second are invalid, can effectively avoid second slider 62 to move to the upper end utmost point position after continuing to move, cause controlling means's spare part or transported object to damage.

Furthermore, the upper end of the bottom plate 1 is vertically fixedly connected with an extension plate 11, and the swing arm 2 is hinged with one end of the extension plate 11 far away from the bottom plate 1. The bottom of the extension plate 11 is provided with support rollers. It will be appreciated that the provision of the extension plate 11 allows the configuration to be optimised so that the ram 3 can be provided shorter and the guide rails 61 are subjected to less lateral impact. And set up the stress condition that the supporting roller can improve the swing arm, because swing arm 2 only end is articulated with bottom plate 1, there is great cantilever force in the one end of overhanging outside, set up the supporting roller and just can avoid the device impaired, increase of service life.

Furthermore, one end of the swing arm 2 far away from the bottom plate 1 is provided with a buffer roller 21. It can be understood that the strength of the swing arm when contacting the article to be transported can be buffered, and the swing arm and the article to be transported are protected.

Combine fig. 3 to show schematic diagram when plug-type swing arm controlling means implements on automatic commodity circulation dolly 8, commodity circulation dolly 8's left front position, left back position, right front position, right back position has all set up swing arm 2 controlling means, and bogie 9 with two sets of wheel pairs also has left front, left back, right front, four wheels in right back, four swing arms 2 of four groups of commodity circulation dolly 8 respectively with four wheel contact of bogie 9, and support tight rim from the middle part along the fore-and-aft direction, make bogie 9 wholly can transport along with commodity circulation dolly 8 together.

It can be understood that the utility model discloses still include central controller, central controller's kernel can be singlechip or PLC, first spacing 71, the spacing 72 of second, motor 43 all with central controller electric connection, with the signal transmission that targets in place of the spacing 72 department of first spacing 71, second for motor 43, make lead screw 42 stop the action immediately. These are conventional techniques or conventional choices in the art, are well known to those skilled in the art, and are not important to the improvement of the present technical solution, and will not be described herein for a short time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

It is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention, and are not intended to indicate or imply that the claimed components or mechanisms must be in a particular orientation, constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The utility model provides a sliding swing arm controlling means, includes bottom plate (1) with the frame rigid coupling, its characterized in that: the upper end of the bottom plate (1) is hinged with a swing arm (2), and the middle part of the swing arm (2) is hinged with a mandril (3); a screw rod (42) capable of being controlled to rotate is arranged on the bottom plate (1) through a support, the screw rod (42) is in transmission connection with a first sliding block (41) through thread engagement, and one end, far away from the swing arm (2), of the ejector rod (3) is hinged with the first sliding block (41); the bottom plate (1) is fixedly connected with a guide rail (61) on the plate surface, the guide rail (61) is connected with a second sliding block (62) in a sliding mode, and the first sliding block (41) is fixedly connected with the second sliding block (62).

2. A sliding swing arm control apparatus in accordance with claim 1, wherein: the upper end of the guide rail (61) is provided with a first limit (71), the first limit (71) corresponds to the limit position of the second sliding block (62) at the upper end of the guide rail (61), the lower end of the guide rail (61) is provided with a second limit (72), and the second limit (72) corresponds to the limit position of the second sliding block (62) at the lower end of the guide rail (61).

3. A sliding swing arm control apparatus in accordance with claim 2, wherein: the support comprises a first support (51) located at the upper end of the guide rail (61) and a second support (52) located at the lower end of the guide rail (61), the screw rod (42) is respectively connected with the first support (51) and the second support (52) in a rotating mode, and the lower end of the screw rod (42) penetrates out of the second support (52) and then is fixedly connected with the output end of the motor (43).

4. A sliding swing arm control apparatus according to claim 3, wherein: and a third limit (73) is arranged on the first bracket (51), and when the second sliding block (62) is positioned at the limit position of the upper end of the guide rail (61), the third limit (73) is contacted with the second sliding block (62) or the first sliding block (41).

5. A sliding swing arm control apparatus in accordance with claim 1, wherein: the upper end of the bottom plate (1) is vertically fixedly connected with an extension plate (11), and the swing arm (2) is hinged with one end, far away from the bottom plate (1), of the extension plate (11).

6. A sliding swing arm control apparatus in accordance with claim 5, wherein: and the bottom of the extension plate (11) is provided with a supporting roller.

7. A sliding swing arm control apparatus in accordance with claim 1, wherein: two ejector rods (3) are arranged between the swing arm (2) and the first sliding block (41), and the two ejector rods (3) are respectively located on the top surface and the bottom surface of the swing arm (2).

8. A sliding swing arm control apparatus in accordance with claim 1, wherein: and one end of the swing arm (2) far away from the bottom plate (1) is provided with a buffer roller (21).

9. An automatic logistics trolley is characterized in that: comprising a sliding swing arm control apparatus according to any of claims 1-8.