Modularized extensible intelligent power and free chain

Abstract

The invention relates to the technical field of power and free chain devices, in particular to a modular extensible intelligent power and free chain which is characterized in that two sliding rail units are arranged in parallel in a front-back symmetrical mode, pulley units are fixedly arranged on the front side edge and the rear side edge of a stepping seat, and the stepping seat is arranged between the sliding rail units on the front side and the rear side; the pulley units on the front side and the rear side are arranged in the sliding rail units on the front side and the rear side in a sliding mode respectively, the stepping chain mechanism is erected below the sliding rail units, the transmission mechanism is arranged on the stepping base, and the transmission mechanism and the stepping chain mechanism are arranged in a matched mode. Two sets of pawl structures are arranged on one stepping seat, corresponding limiting structures and elastic supporting structures are arranged, and a driving chain structure is redesigned according to the modularization requirement, so that stable transmission of the stepping seat can be achieved after the device is subjected to modularization splicing, and stable operation of a power and free chain is kept.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of accumulation and release chain device, and particularly relates to a modular and expandable intelligent accumulation and release chain. BACKGROUND

[0002] The accumulation and release chain is a chain type conveying device capable of controlling the stop of a stepping structure, which is widely used in flow line processing or logistics transportation due to the effect of being able to control the stop or movement of a stepping seat on the chain while keeping the chain continuously working; the existing accumulation and release chain structure realizes the transmission connection between the stepping seat and the chain through a single set of pawl structure, so that when multiple sections need to be spliced, the pawl structure needs to be designed to be complex in order to span the transmission between the two driving chains, so that the device is prone to failure due to the complexity of the structure, and in order to ensure that the accumulation and release chain device can be easily modularly assembled, a new structure scheme of the accumulation and release chain device needs to be designed. SUMMARY

[0003] The present application aims at the defects and deficiencies of the prior art, and provides a modular and expandable intelligent accumulation and release chain, which sets two sets of pawl structures on a stepping seat, sets corresponding limiting structures and elastic support structures, and redesigns the driving chain structure according to the modularization requirement, so that the device can realize stable transmission of the stepping seat after modular splicing, thereby keeping the stable operation of the accumulation and release chain.

[0004] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: It comprises a slide rail unit and a stepping seat, wherein the slide rail unit is two and symmetrically arranged in parallel, the stepping seat is fixedly provided with a pulley unit on the front and rear sides, the stepping seat is arranged between the front and rear slide rail units, and the pulley units on the front and rear sides are respectively arranged in the front and rear slide rail units, and it further comprises: A stepping chain mechanism is arranged below the slide rail unit. A transmission mechanism is arranged on the stepping seat, and the transmission mechanism is arranged in cooperation with the stepping chain mechanism.

[0005] Preferably, the stepping chain mechanism comprises: A mounting frame is fixedly arranged on the mounting rack, and the mounting plate is arranged in one group in front and back and in two groups on the left and right. ​Driving wheels, two of which are arranged in the left and right groups of mounting plates respectively, and the driving wheels are rotatably arranged on the front and rear mounting plates of one group through the rotating shafts; Driving chains, which are arranged in a closed loop on the two driving wheels; Driving assemblies, which are arranged on the mounting plates.

[0006] Preferably, the driving assembly comprises: A driving shaft, which is fixedly arranged on the rotating shaft of one of the driving wheels; A driving motor, which is fixedly arranged on the mounting plate, and the output shaft of the driving motor is drivingly connected with the driving shaft; A spline sleeve, which is rotatably arranged on the mounting plate through the bearing, and the spline sleeve is drivingly connected with the driving shaft through the bevel gear set; A spline shaft, which is rotatably arranged on the mounting plate through the bearing, and the spline shaft is drivingly connected with the rotating shaft of the other driving wheel through the bevel gear set, and the spline sleeve and the spline shaft are matched;

[0007] Preferably, the transmission mechanism comprises: Fixing frames, two of which are arranged in a group and fixedly arranged on the lower side wall of the stepping seat; A fixing shaft, which is fixedly arranged on the fixing frame; A support arm, which is rotatably connected to the fixing shaft through the bearing; A support shaft, which is rotatably arranged on the support arm through the bearing away from the fixing shaft; A pawl unit, which is fixedly arranged on the support shaft and is buckled on the driving chain.

[0008] Preferably, a transmission shaft is rotatably arranged on the support arm through the bearing, and the transmission shaft is drivingly connected between one end of the transmission shaft and the fixing shaft through the bevel gear set, and the transmission shaft is drivingly connected between the other end of the transmission shaft and the support shaft through the bevel gear set.

[0009] Preferably, a reset shaft is rotatably arranged on the fixing frame through the bearing, a reset arm is fixedly arranged on the reset shaft, the movable end of the reset arm is abutted on the support arm, and a reset torsion spring is sleeved on the reset shaft, wherein one leg of the reset torsion spring is fixedly arranged on the fixing frame, and the other leg of the reset torsion spring is fixedly arranged on the reset arm.

[0010] Preferably, a limiting arm is rotatably arranged on the fixing frame through the rotating shaft, a limiting pin is fixedly arranged on the end of the limiting arm away from the rotating shaft, the limiting pin is abutted on the support arm, a limiting shaft is rotatably arranged on the lower side wall of the stepping seat through the bearing, and the limiting shaft is drivingly connected between the two ends of the limiting shaft and the rotating shafts of the two limiting arms through the bevel gear set.

[0011] Preferably, a positioning arm is fixedly arranged on the limiting shaft, and the movable end of the positioning arm is arranged on the lower side wall of the stepping seat; and a limiting torsion spring is arranged on the limiting shaft, wherein one leg of the limiting torsion spring is fixedly arranged on the positioning arm, and the other leg of the limiting torsion spring is fixedly arranged on the lower side wall of the stepping seat.

[0012] Preferably, a guide frame is fixedly arranged on the upper side of the mounting plate, and a guide pin is fixedly arranged on the supporting arm and arranged in cooperation with the guide frame.

[0013] Compared with the prior art, the present application has the following beneficial effects: 1. The present application realizes the transmission connection between the stepping seat and the driving chain through the arrangement of the splicable slide rail unit and the driving chain, and the arrangement of the pawl unit on the supporting arm, so that the present application can be modularly spliced through multiple groups of the present device, and the driving step of the stepping seat between the slide rail units is maintained. 2. The present application realizes the transmission connection between the stepping seat and the driving chain through the arrangement of the splicable slide rail unit and the driving chain, and the arrangement of the pawl unit on the supporting arm, so that the present application can be modularly spliced through multiple groups of the present device, and the driving step of the stepping seat between the slide rail units is maintained. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic diagram of the present application.

[0015] Figure 2 is a right front side view of Figure 1 .

[0016] Figure 3 is a left lower side view of Figure 1 .

[0017] Figure 4 is a left rear side view of Figure 1 .

[0018] Figure 5 is a structural schematic diagram of the stepping chain mechanism in the present application.

[0019] Figure 6 is a structural schematic diagram of the stepping seat and the transmission mechanism in the present application.

[0020] Figure 7 is a left rear side view of Figure 6 .

[0021] Figure 8 is a connection structural schematic diagram of the supporting arm and the pawl unit in the present application.

[0022] Explanation of reference numerals in the attached drawings: 1. Slide rail unit; 2. Stepper seat; 3. Pulley unit; 4. Stepper chain mechanism; 4-1. Mounting bracket; 4-2. Mounting plate; 4-3. Drive wheel; 4-4. Drive chain; 5. Drive assembly; 5-1. Drive shaft; 5-2. Drive motor; 5-3. Spline sleeve; 5-4. Spline shaft; 6. Transmission mechanism; 6-1. Fixed bracket; 6-2. Fixed shaft; 6-3. Support arm; 6-4. Support shaft; 6-5. Pawl unit; 7. Transmission shaft; 8. Reset shaft; 9. Reset torsion spring; 10. Limit arm; 11. Limit pin; 12. Limit shaft; 13. Positioning arm; 14. Limit torsion spring; 15. Guide frame; 16. Guide pin; 17. Detailed Implementation

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] like Figures 1-8 As shown, the specific implementation adopts the following technical solution: This specific embodiment includes a slide rail unit 1, a stepper seat 2, a stepper chain mechanism 4, and a transmission mechanism 6. There are two slide rail units 1 arranged in parallel on both sides of the stepper seat 2 in a symmetrical manner. Pulley units 3 are fixedly arranged on both sides of the stepper seat 2. The stepper seat 2 is slidably mounted on the slide rail unit 1 through the pulley units 3. The stepper chain mechanism 4 is arranged below the slide rail unit 1. The transmission mechanism 6 is arranged on the stepper seat 2. The stepper seat 2 is connected to the stepper chain mechanism 4 through the transmission mechanism 6. The step chain mechanism 4 comprises a mounting frame 4-1, a mounting plate 4-2, a driving wheel 4-3, a driving chain 4-4 and a driving motor 5-2, wherein the mounting frame 4-1 is four and is fixedly arranged at the left and right ends of the front and rear slide rail units 1 respectively, the mounting plate 4-2 is two in a group and is symmetrically arranged front and back and symmetrically arranged left and right, the mounting plate 4-2 is fixedly arranged on the mounting frame 4-1, the driving wheel 4-3 is two and is arranged between the front and rear mounting plates 4-2 and is rotatably arranged on the mounting plate 4-2 through a rotating shaft, and the driving chain 4-4 is closed loop and is sleeved on the two driving wheels 4-3; the driving shaft 5-1 is fixedly arranged on the front end shaft of the left driving wheel 4-3, the driving motor 5-2 is fixedly arranged on the mounting plate 4-2, the output shaft of the driving motor 5-2 is drivingly connected with the driving shaft 5-1, the spline sleeve 5-3 is rotatably arranged on the left front mounting plate 4-2 through a bearing, the spline sleeve 5-3 and the driving shaft 5-1 are drivingly connected through a bevel gear set, the spline shaft 5-4 is rotatably arranged on the right front mounting plate 4-2 through a bearing, the spline shaft 5-4 and the front end shaft of the right driving wheel 4-3 are drivingly connected through a bevel gear set, when the two groups of the device are modularly spliced, the spline shaft 5-4 of one group is inserted into the spline sleeve 5-3 of the other group, and synchronous movement between the two groups of driving chains 4-4 is realized; The transmission mechanism 6 comprises a fixed frame 6-1, a support arm 6-3, a pawl unit 6-5, wherein the fixed frame 6-1 is two and is fixedly arranged on the lower side wall of the stepping seat 2, the fixed frame 6-1 is fixedly arranged with a fixed shaft 6-2, the support arm 6-3 is rotatably arranged on the fixed shaft 6-2 through a bearing, the movable end of the support arm 6-3 is rotatably arranged with a support shaft 6-4 through a bearing, the pawl unit 6-5 is fixedly arranged on the support shaft 6-4, the support arm 6-3 is rotatably arranged with a transmission shaft 7 through a bearing, one end of the transmission shaft 7 is rotatably arranged with the fixed shaft 6-2 through a bevel gear set, the other end of the transmission shaft 7 is rotatably arranged with the support shaft 6-4 through a bevel gear set, the fixed frame 6-1 is rotatably arranged with a reset shaft 8 through a bearing, the reset shaft 8 is fixedly arranged with a reset arm 9, and the movable end of the reset arm 9 abuts against the support arm 6-3, the reset shaft 8 is sleeved with a reset torsion spring 10, wherein one leg of the reset torsion spring 10 is fixedly arranged on the fixed frame 6-1, the other leg of the reset torsion spring 10 is fixedly arranged on the reset arm 9, the fixed frame 6-1 is rotatably arranged with a limiting arm 11 through a rotating shaft, the movable end of the limiting arm 11 is fixedly arranged with a limiting pin 12, and the limiting pin 12 abuts against the side of the support arm 6-3 and the movable end of the reset arm 9 away from each other, the lower side wall of the stepping seat 2 is rotatably arranged with a limiting shaft 13 through a bearing, and the two ends of the limiting shaft 13 are rotatably arranged with the rotating shafts of the limiting arms 11 on both sides through a bevel gear set, the limiting shaft 13 is fixedly arranged with a positioning arm 14, and the movable end of the positioning arm 14 abuts against the lower side wall of the stepping seat 2, the limiting shaft 13 is sleeved with a limiting torsion spring 15, wherein one leg of the limiting torsion spring 15 is fixedly arranged on the lower side wall of the stepping seat 2, and the other leg of the limiting torsion spring 15 is fixedly arranged on the positioning arm 14; The upper side of the mounting plate 4-2 is fixedly arranged with a guide frame 16, and the support arm 6-3 is fixedly arranged with a guide pin 17.

[0025] In use of the device, the step seat 2 is erected on the slide rail unit 1, the reset arm 9 is abutted against the reset torsion spring 10, the support arm 6-3 is abutted against the reset arm 9, the support arm 6-3 is lowered, the pawl unit 6-5 is abutted against the driving chain 4-4 by the support arm 6-3, the support arm 6-3 is abutted against the limiting pin 12 and the limiting arm 11, the limiting shaft 13 drives the positioning arm 14 to abut against the lower side wall of the step seat 2 through the transmission between the limiting arm 11 and the limiting shaft 13, the pawl unit 6-5 is buckled with the driving chain 4-4, the driving shaft 5-1 is driven by the driving motor 5-2 to rotate the driving wheel 4-3, the driving wheel 4-3 drives the driving chain 4-4 to move, the driving chain 4-4 pulls the support arm 6-3 to slide the step seat 2, the stopper is arranged on the side of the slide rail unit 1, the step seat 2 is stopped through the work of the stopper, the stopper is extended in the front of the moving direction of the step seat 2, the stopper drives the limiting arm 11 to rotate when the step seat 2 moves to the stopper, the synchronous rotation of the two limiting arms 11 is realized through the transmission of the limiting shaft 13, the limiting arm 11 drives the support arm 6-3 to lift through the limiting pin 12, the support arm 6-3 drives the pawl unit 6-5 to lift, the support arm 6-3 drives the reset arm 9 and the reset torsion spring 10 is wound in the process of lifting of the support arm 6-3, the limiting arm 11 drives the limiting shaft 13 to rotate and the positioning arm 14 is rotated to be separated from the step seat 2, the support arm 6-3 is rotated to realize the transmission between the fixed shaft 6-2 and the support shaft 6-4 through the transmission shaft 7, the support shaft 6-4 is rotated, the support arm 6-3 is lifted and rotated and drives the pawl unit 6-5 to move and lift, the two support arms 6-3 are synchronously moved in the process, the two pawl units 6-5 are simultaneously lifted and separated from the driving chain 4-4, and the step seat 2 is stopped.When multiple devices are spliced, the spline shaft 5-4 on one set of devices is inserted into the spline sleeve 5-3 on another set of devices, so that when the driving motor 5-2 drives the driving chain 4-4 to step, the driving chain 4-4 in the two sets of devices runs at the same speed, the slide rail units 1 of the two sets of devices are connected, when the stepping seat 2 crosses from the slide rail unit 1 on one set of devices to the slide rail unit 1 on another set of devices, the pawl unit 6-5 on the stepping seat 2 moves to the end of the driving chain 4-4 and needs to cross to the driving chain 4-4 of the next set, the stepping seat 2 advances so that the support arm 6-3 at the front end of the advancing direction is pushed against the guide frame 16 through the guide pin 17, thereby pushing the support arm 6-3 at the front side of the advancing direction to lift up, so that the pawl unit 6-5 at the front side of the advancing direction lifts up and separates from the driving chain 4-4 of the set, and after moving above the driving chain 4-4 of the next set, it is lowered down. During the lifting process of the support arm 6-3, only the support arm 6-3 pushes the reset arm 9 to rotate and winds the reset torsional spring 10, and during the movement of the stepping seat 2 crossing the two sets of driving chains 4-4, the two sets of support arms 6-3 on one stepping seat 2 are lifted up in front and back order respectively, so that at least one pawl unit 6-5 is always buckled on any one set of driving chain 4-4 to avoid the stepping seat 2 losing driving power.

[0026] Compared with the prior art, the beneficial effects of the present application are: 1. The device sets two sets of pawl units 6-5 on the stepping seat 2 through two sets of support arms 6-3, and through the buckling of the pawl unit 6-5 and the driving chain 4-4, the driving chain 4-4 is driven to advance by the driving wheel 4-3, thereby pulling the stepping seat 2 to advance, and the support arm 6-3 is lifted up by the stopper to make the pawl unit 6-5 separate from the driving chain 4-4, thereby stopping the stepping seat 2; 2. The device sets the slide rail unit 1 and the driving chain 4-4 in a modular manner, and sets the pawl unit 6-5 on the stepping seat 2 through two sets of support arms 6-3, so that when the modular device is spliced, the stepping seat 2 can cross from one set of driving chain 4-4 to another set of driving chain 4-4 without losing the driving of the stepping seat 2; 3. The device sets the reset arm 9 to push the support arm 6-3 down, sets two limiting arms 11 driven by the limiting shaft 13, and realizes that the limiting arm 11 pushes the support arm 6-3 through the limiting pin 12, so that when the stepping seat 2 is stopped by the stopper, a set of limiting arms 11 is pushed, that is, the two sets of support arms 6-3 are lifted up, and when the stepping seat 2 crosses the two sets of driving chains 4-4, the two support arms 6-3 can be lifted and lowered respectively.

[0027] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, and equivalent replacement of part of the technical features can be made, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A modular and scalable intelligent accumulation chain, comprising a slide rail unit (1) and a stepper seat (2), wherein the slide rail unit (1) consists of two parallel slide rail units arranged symmetrically front to back, and pulley units (3) are fixedly arranged on both the front and rear sides of the stepper seat (2), the stepper seat (2) is disposed between the front and rear slide rail units (1), and the pulley units (3) on the front and rear sides are slidably disposed within the front and rear slide rail units (1); characterized in that, It also includes: a stepping chain mechanism (4), which is mounted below the slide rail unit (1); and a transmission mechanism (6), which is mounted on the stepping seat (2) and is configured in cooperation with the stepping chain mechanism (4).

2. The modular and scalable smart accumulation chain according to claim 1, characterized in that: The stepping chain mechanism (4) includes: a mounting frame (4-1), which consists of several mounting frames (4-1) and is fixedly mounted on both ends of the slide rail unit (1); a mounting plate (4-2), which is fixedly mounted on the mounting frame (4-1), and the mounting plates (4-2) are arranged in two groups, front and back, and left and right; a drive wheel (4-3), which consists of two drive wheels (4-3) and is respectively mounted in the left and right groups of mounting plates (4-2), and the drive wheels (4-3) are rotated on the front and back mounting plates (4-2) of the group via a rotating shaft; a drive chain (4-4), which is arranged in a closed loop on the two drive wheels (4-3); and a drive assembly (5), which is mounted on the mounting plate (4-2).

3. The modular and scalable smart accumulation chain according to claim 2, characterized in that: The drive assembly (5) includes: a drive shaft (5-1), which is fixedly mounted on the shaft of one of the drive wheels (4-3); a drive motor (5-2), which is fixedly mounted on the mounting plate (4-2), and the output shaft of the drive motor (5-2) is connected to the drive shaft (5-1) via a transmission connection; a spline sleeve (5-3), which is screwed onto the mounting plate (4-2) via a bearing, and the spline sleeve (5-3) is connected to the drive shaft (5-1) via a bevel gear set; and a spline shaft (5-4), which is screwed onto the mounting plate (4-2) via a bearing, and the spline shaft (5-4) is connected to the shaft of the other drive wheel (4-3) via a bevel gear set, and the spline sleeve (5-3) is matched with the spline shaft (5-4).

4. The modular and scalable smart accumulation chain according to claim 1, characterized in that: The transmission mechanism (6) includes: a fixed frame (6-1), two fixed frames (6-1) are fixedly mounted on the lower side wall of the stepper seat (2); a fixed shaft (6-2), the fixed shaft (6-2) is fixedly mounted on the fixed frame (6-1); a support arm (6-3), the support arm (6-3) is screwed onto the fixed shaft (6-2) by a bearing; a support shaft (6-4), the support shaft (6-4) is screwed onto the support arm (6-3) at one end away from the fixed shaft (6-2) by a bearing; and a pawl unit (6-5), the pawl unit (6-5) is fixedly mounted on the support shaft (6-4) and the pawl unit (6-5) is fastened onto the drive chain (4-4).

5. A modular and scalable smart accumulation chain according to claim 4, characterized in that: The support arm (6-3) is spun with a drive shaft (7) via a bearing. One end of the drive shaft (7) is connected to the fixed shaft (6-2) via a bevel gear set, and the other end of the drive shaft (7) is connected to the support shaft (6-4) via a bevel gear set.

6. A modular and scalable smart accumulation chain according to claim 5, characterized in that: The fixed frame (6-1) is spun on a reset shaft (8) via a bearing. A reset arm (9) is fixedly mounted on the reset shaft (8), and the movable end of the reset arm (9) abuts against the support arm (6-3). A reset torsion spring (10) is sleeved on the reset shaft (8), wherein one column of the reset torsion spring (10) is fixedly mounted on the fixed frame (6-1), and the other column of the reset torsion spring (10) is fixedly mounted on the reset arm (9).

7. A modular and scalable smart accumulation chain according to claim 6, characterized in that: The fixed frame (6-1) is provided with a limiting arm (11) by means of a rotating shaft. A limiting pin (12) is fixedly provided on one end of the limiting arm (11) away from its rotating shaft. The limiting pin (12) is movably abutted against the support arm (6-3). A limiting shaft (13) is provided on the lower side wall of the stepper seat (2) by means of a bearing. The two ends of the limiting shaft (13) are connected to the rotating shafts of the limiting arms (11) on both sides by means of a bevel gear set.

8. A modular and scalable smart accumulation chain according to claim 7, characterized in that: A positioning arm (14) is fixedly provided on the limiting shaft (13), and the movable end of the positioning arm (14) abuts against the lower side wall of the stepper seat (2). A limiting torsion spring (15) is sleeved on the limiting shaft (13), wherein one column foot of the limiting torsion spring (15) is fixedly provided on the positioning arm (14), and the other column foot of the limiting torsion spring (15) is fixedly provided on the lower side wall of the stepper seat (2).

9. A modular and scalable smart accumulation chain according to claim 8, characterized in that: A guide frame (16) is fixedly installed on the upper side of the mounting plate (4-2), and a guide pin (17) is fixedly installed on the support arm (6-3). The guide pin (17) and the guide frame (16) are configured to cooperate.

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