Safety blocking mechanism of double-layer roller type conveying line

Abstract

The utility model discloses a safety blocking mechanism for a double-layer roller type conveying line. The safety blocking mechanism comprises the conveying line, a pair of mechanical blocking mechanisms, a lifting table and a plurality of sets of blocking shifting pieces. The mechanical blocking mechanism comprises a pair of mounting frames, linkage rotating shafts are rotationally assembled above the mounting frames, the ends, close to the conveying line, of the linkage rotating shafts are fixedly connected with fixing shafts, the lower ends of the fixing shafts are sleeved with blocking guide wheels, the lower ends of the fixing shafts are fixedly connected with balancing weights, and the ends, away from the fixing shafts, of the linkage rotating shafts are provided with shifting piece guide wheels. The lifting table is assembled at a goods outlet of the conveying line, and the side, close to the conveying line, of the lifting table is fixedly connected with multiple sets of blocking shifting pieces. According to the safety blocking mechanism of the double-layer roller type conveying line, goods on the double-layer roller type conveying line are blocked and protected in a mechanical linkage mode, under the condition that electrical parts are out of order, the goods can also be blocked and protected, and the conveying reliability and safety of the double-layer roller type conveying line are improved.

Description

Technical Field

[0001] This utility model belongs to the field of safety protection technology for double-layer roller conveyor lines, specifically relating to a safety blocking mechanism for double-layer roller conveyor lines. Background Technology

[0002] The combination of double-layer roller conveyor lines and rigid chain lifting platforms is a highly efficient spatial conveying method in intelligent warehousing and logistics systems. In order to detect whether goods are entering or exiting the double-layer roller conveyor line, photoelectric sensors or infrared sensors are usually installed at the outlet of the double-layer roller conveyor line to detect and judge the conveying status of goods on the double-layer roller conveyor line.

[0003] However, in practical applications, dust in the environment can easily adhere to photoelectric sensors, causing them to frequently misjudge. This is especially true when double-layer roller conveyors are used in the forging industry, where the dust content in the environment is high, making the probability of sensor misjudgment even higher. When a sensor misjudges, the rigid chain lifting platform may not be on the connecting layer where the goods are located, resulting in the goods falling. This makes the reliability of detecting and controlling the transport status of goods on a double-layer roller conveyor solely through sensors poor, leading to significant safety hazards in the transport of goods on double-layer roller conveyors.

[0004] Therefore, in order to address the aforementioned technical issues, it is necessary to provide a safety blocking mechanism for double-layer roller conveyor lines.

[0005] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0006] The purpose of this utility model is to provide a safety blocking mechanism for a double-layer roller conveyor line, which can safely block goods on the double-layer roller conveyor line and ensure the safety of the double-layer roller conveyor line.

[0007] To achieve the above objectives, a specific embodiment of the present invention provides a safety blocking mechanism for a double-layer roller conveyor line, comprising: a conveyor line, a pair of mechanical blocking mechanisms, a lifting platform, and multiple sets of blocking paddles.

[0008] A pair of mechanical blocking mechanisms are respectively installed at the upper and lower outlets of the conveyor line. The mechanical blocking mechanism includes a pair of mounting brackets, both of which are fixedly connected to the side wall of the conveyor line. A linkage shaft is rotatably mounted on the top of each pair of mounting brackets. A fixed shaft is fixedly connected to the end of the linkage shaft close to the conveyor line. A blocking guide wheel is fitted on the lower end of the fixed shaft. A counterweight is fixedly connected to the lower end of the fixed shaft. A paddle guide wheel is installed on the end of the linkage shaft opposite to the fixed shaft.

[0009] The lifting platform is fixedly connected with a plurality of groups of blocking tabs on one side close to the conveying line, and the plurality of groups of blocking tabs are arranged in cooperation with the tab guide wheels.

[0010] In one or more embodiments of the present utility model, the mounting frame is composed of a horizontal positioning frame and a vertical positioning frame, and the vertical positioning frame is arranged in an inverted U shape. The vertical positioning frame is used to limit the assembly of the linkage shaft. The upper top surface of the vertical positioning frame is at the same horizontal plane as the delivery opening plane of the conveying line. This reduces the interference of the vertical positioning frame on the conveying of goods on the conveying line.

[0011] In one or more embodiments of the present utility model, a pair of assembly washers are arranged on the outside of the linkage shaft, and a positioning pin is inserted into the side of the linkage shaft close to the conveying line. The positioning pin and the assembly washers are used to limit the assembly of the linkage shaft.

[0012] In one or more embodiments of the present utility model, a clamping spring is arranged on the top end of the fixed shaft and above the blocking guide wheel. The clamping spring is used to limit the blocking guide wheel.

[0013] In one or more embodiments of the present utility model, a connecting rod is fixedly inserted into one end of the linkage shaft outside the mounting frame, and the tab guide wheel is rotatably assembled at the lower end of the connecting rod. The connecting rod is used to connect the tab guide wheel and the linkage shaft, so that the linkage shaft can rotate synchronously with the fixed shaft under the action of the connecting rod and the rotation of the tab guide wheel.

[0014] In one or more embodiments of the present utility model, the tab guide wheels at the upper and lower delivery openings of the conveying line are staggered, the number of blocking tabs is four groups, and the plurality of groups of blocking tabs are arranged in one-to-one correspondence with the tab guide wheels. This facilitates the synchronous operation of the tab guide wheels at the upper and lower delivery openings of the conveying line with the lifting and movement of the blocking tabs.

[0015] In one or more embodiments of the present utility model, an assembly fixing plate is fixedly assembled on one side of the lifting platform close to the conveying line, and assembly bolts are fixedly connected between the plurality of groups of blocking tabs and the assembly fixing plate. The assembly fixing plate and the assembly bolts are used to assemble and fix the plurality of groups of blocking tabs.

[0016] In one or more embodiments of the present utility model, the blocking tab is composed of a fixed tab, a connecting tab, and a guide tab, the fixed tab and the connecting tab are arranged perpendicularly, a positioning hole is formed in the fixed tab, and the positioning hole is arranged in cooperation with the assembly bolt. The assembly bolt is used to pass through the positioning hole to assemble and fix the fixed tab and the assembly fixing plate.

[0017] In one or more embodiments of the utility model, the guide piece is integrally formed on one end of the connecting piece, and the horizontal height of the side of the connecting piece close to the guide piece is higher than that of the other side. It is convenient to make the blocking finger apply a diagonal force to the finger guide wheel during lifting, so that the finger guide wheel can move synchronously with the lifting of the blocking finger.

[0018] In one or more embodiments of the utility model, the rotating radius of the connecting rod is greater than the straight line distance between the connecting piece and the guide piece. The finger guide wheel can be separated from the blocking finger after one rotation, reducing the risk of interference between the finger guide wheel and the blocking finger.

[0019] Compared with the prior art, the double-layer roller type conveying line safety blocking mechanism adopts a mechanical linkage mode to block and protect the goods on the double-layer roller type conveying line. In the case of electrical failure, the goods can also be blocked and protected, improving the conveying reliability and safety of the double-layer roller type conveying line. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating creative labor.

[0021] Figure 1 It is an elevation view of the double-layer roller type conveying line safety blocking mechanism in an embodiment of the utility model;

[0022] Figure 2 It is a schematic view of the structure of the elevation part of the double-layer roller type conveying line safety blocking mechanism in an embodiment of the utility model;

[0023] Figure 3 It is a schematic view of the structure of the elevation part of the double-layer roller type conveying line safety blocking mechanism in an embodiment of the utility model; Figure 2

[0024] Figure 4 It is a schematic view of the structure of the elevation part of the double-layer roller type conveying line safety blocking mechanism in an embodiment of the utility model;

[0025] Figure 5 It is a schematic view of the structure of the elevation part of the double-layer roller type conveying line safety blocking mechanism in an embodiment of the utility model; Figure 4

[0026] Figure 6 It is a schematic view of the structure of the elevation part of the double-layer roller type conveying line safety blocking mechanism in an embodiment of the utility model;

[0027] Figure 7 ​​This is a schematic diagram of the blocking lever in one embodiment of the present invention.

[0028] Explanation of key figure labels:

[0029] 1-Conveyor line, 2-Mechanical blocking mechanism, 201-Mounting frame, 2011-Horizontal positioning frame, 2012-Vertical positioning frame, 202-Linkage shaft, 203-Fixed shaft, 204-Blocking guide wheel, 205-Counterweight block, 206-Pulley guide wheel, 207-Assembly shim, 208-Positioning pin, 209-Snap ring, 210-Connecting rod, 3-Lifting platform, 4-Blocking paddle, 401-Fixed plate, 402-Connecting plate, 403-Guide plate, 5-Assembly fixing plate, 6-Assembly bolt. Detailed Implementation

[0030] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0031] like Figures 1 to 7 As shown, the double-layer roller conveyor safety blocking mechanism in one embodiment of this utility model includes: a conveyor line 1, a pair of mechanical blocking mechanisms 2, a lifting platform 3, and multiple sets of blocking paddles 4.

[0032] like Figures 1 to 3 As shown, a pair of mechanical blocking mechanisms 2 are respectively mounted at the upper and lower outlets of the conveyor line 1. The mechanical blocking mechanism 2 includes a pair of mounting brackets 201, both of which are fixedly connected to the side wall of the conveyor line 1. The mounting brackets 201 are used to limit the assembly of the linkage shaft 202.

[0033] like Figures 2 to 5 As shown, the mounting bracket 201 consists of two parts: a horizontal positioning bracket 2011 and a vertical positioning bracket 2012. The vertical positioning bracket 2012 is arranged in an inverted U-shape. The vertical positioning bracket 2012 is used to limit the assembly of the linkage shaft 202.

[0034] It is worth noting that the top surface of the vertical positioning frame 2012 is at the same level as the outlet plane of the conveyor line 1. This reduces the interference of the vertical positioning frame 2012 on the transport of goods on the conveyor line 1.

[0035] like Figures 2 to 3As shown, the upper part of the mounting frame 201 is rotatably connected with a linkage shaft 202. The linkage shaft 202 connects the connecting rod 210 and the fixed shaft 203, so that the fixed shaft 203 can rotate synchronously with the connecting rod 210 under the action of the linkage shaft 202.

[0036] As shown in the figure, Figures 2 to 3 The outer side of the linkage shaft 202 is sleeved with a pair of assembly gaskets 207, which are arranged on both sides of the vertical positioning frame 2012. The linkage shaft 202 is inserted with a positioning pin 208 on the side close to the conveying line 1. The assembly gaskets 207 and the positioning pin 208 cooperate to limit the assembly of the linkage shaft 202.

[0037] As shown in the figure, Figures 2 to 3 The top end of the fixed shaft 203 is sleeved with a snap spring 209, which is arranged above the blocking guide wheel 204. The snap spring 209 limits the blocking guide wheel 204.

[0038] As shown in the figure, Figures 4 to 5 The top end of the fixed shaft 203 is sleeved with a snap spring 209, which is arranged above the blocking guide wheel 204. The snap spring 209 limits the blocking guide wheel 204.

[0039] As shown in the figure, Figures 2 to 3 The lower end of the fixed shaft 203 is fixedly connected with a counterweight 205. The connecting rod 210 is fixedly inserted at the end of the linkage shaft 202 away from the fixed shaft 203.

[0040] As shown in the figure, Figures 2 to 3 The lower end of the fixed shaft 203 is fixedly connected with a counterweight 205. The connecting rod 210 is fixedly inserted at the end of the linkage shaft 202 away from the fixed shaft 203.

[0041] Specifically, the pusher guide wheels 206 at the upper and lower two goods outlets of the conveying line 1 are staggered, and the number of blocking pushers 4 is four groups. A plurality of blocking pushers 4 are arranged one by one with the pusher guide wheels 206. The pusher guide wheels 206 at the upper and lower two goods outlets of the conveying line 1 can run synchronously with the lifting and movement of the blocking pushers 4.

[0042] As shown in the figure, Figures 4 to 6As shown, the lifting platform 3 is assembled at the delivery port of the conveying line 1, and a plurality of blocking pawls 4 are fixedly connected to one side of the lifting platform 3 close to the conveying line 1, and the plurality of blocking pawls 4 are arranged in cooperation with the pawl guide wheel 206. The pawl guide wheel 206 is driven and controlled by the movement of the plurality of blocking pawls 4 with the lifting of the lifting platform 3.

[0043] As shown in the figure, Figure 7 The blocking pawl 4 is composed of a fixed piece 401, a connecting piece 402 and a guide piece 403, the fixed piece 401 is arranged vertically with the connecting piece 402, and a positioning hole is formed in the fixed piece 401, which is arranged in cooperation with the assembly bolt 6. The fixed piece 401 and the assembly fixed plate 5 are assembled and fixed by the assembly bolt 6 penetrating the positioning hole.

[0044] It is worth noting that the guide piece 403 is integrally formed at one end of the connecting piece 402, and the horizontal height of the side of the guide piece 403 close to the connecting piece 402 is higher than that of the other side. It is convenient to make the blocking pawl 4 apply a diagonal force to the pawl guide wheel 206 during lifting, so as to facilitate the synchronous movement of the pawl guide wheel 206 with the lifting of the blocking pawl 4.

[0045] Specifically, the rotating radius of the connecting rod 210 is greater than the straight line distance between the connecting piece 402 and the guide piece 403. The pawl guide wheel 206 can be separated from the blocking pawl 4 after one rotation, reducing the risk of interference between the pawl guide wheel 206 and the blocking pawl 4 during operation.

[0046] Specifically, when the lifting platform 3 is not moving up and down, the blocking guide wheels 204 assembled at the upper and lower outlets of the conveying line 1 can be in a vertical state under the action of the gravity of the counterweight 205, and a pair of blocking guide wheels 204 can block and prevent the falling of the goods to be conveyed on the conveying line 1.

[0047] When the goods are lifted and conveyed by the lifting platform 3 during lifting, the blocking pawl 4 rises and falls synchronously with the lifting of the lifting platform 3, and the pawl guide wheel 206 assembled at the outlet of the conveying line 1 will rise and move synchronously with the lifting of the lifting platform 3 under the action of the guide piece 403, and the rising movement of the pawl guide wheel 206 can drive the connecting rod 210, the linkage shaft 202, the fixed shaft 203, the blocking guide wheel 204 and the counterweight 205 to move synchronously, and the fixed shaft 203 will gradually be in a horizontal state with the rising movement of the pawl guide wheel 206, at this time, the goods conveyed on the conveying line 1 can be moved and conveyed.

[0048] When the goods lifting and conveying is completed, the lifting platform 3 is lowered and reset, and the fixed shaft 203 can fall back to the vertical state under the action of the counterweight 205, so that the blocking guide wheel 204 can block and protect the goods placed on the conveying line 1 again.

[0049] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the application can be implemented in other particular forms without departing from the spirit or essential characteristics of the application. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No limitation is intended to the scope of the claims with regard to which of the described features in a claim are to be every present in one claim and which one are to be present in more than one claim in combination.

[0050] Furthermore, it should be understood that although the description herein is made on the basis of the embodiments, not every embodiment contains only one independent technical solution, and the description herein is made in this way only for the sake of clarity, and those skilled in the art should consider the description as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments which can be understood by those skilled in the art.

Claims

1. A safety blocking mechanism for a double layer roller conveyor line, characterized in that, The utility model relates to a kind of mechanical blocking mechanism and lifting platform for conveying line, including: Conveying line; A pair of mechanical blocking mechanisms are respectively arranged at the upper and lower delivery ports of the conveying line, the mechanical blocking mechanism includes a pair of mounting frames, each of the mounting frames is fixedly connected to the side wall of the conveying line, a linkage shaft is rotatably arranged above each of the mounting frames, one end of the linkage shaft close to the conveying line is fixedly connected to a fixed shaft, a blocking guide wheel is sleeved on the lower end of the fixed shaft, a counterweight is fixedly connected to the lower end of the fixed shaft, a pusher guide wheel is arranged on the end of the linkage shaft away from the fixed shaft; A lifting platform is arranged at the delivery port of the conveying line, one side of the lifting platform close to the conveying line is fixedly connected to a plurality of blocking pushers, and the blocking pushers are arranged in pairs with the pusher guide wheels.

2. The dual layer roller conveyor line safety barrier mechanism of claim 1, wherein, The mounting frame is composed of a horizontal positioning frame and a vertical positioning frame, the vertical positioning frame is arranged in an inverted U shape, and the upper top surface of the vertical positioning frame is at the same horizontal plane as the plane of the delivery port of the conveying line.

3. The dual layer roller conveyor line safety barrier mechanism of claim 2, wherein, A pair of assembly washers are sleeved on the outer side of the linkage shaft, the assembly washers are arranged on both sides of the vertical positioning frame, and a positioning pin is inserted into the side of the linkage shaft close to the conveying line.

4. The dual layer roller conveyor line safety barrier mechanism of claim 1, wherein, A circlip is sleeved on the top end of the fixed shaft, and the circlip is arranged above the blocking guide wheel.

5. The dual layer roller conveyor line safety barrier mechanism of claim 1, wherein, A connecting rod is fixedly inserted into the end of the linkage shaft outside the mounting frame, and the pusher guide wheel is rotatably arranged on the lower end of the connecting rod.

6. The dual layer roller conveyor line safety barrier mechanism of claim 5, wherein, The pusher guide wheels at the upper and lower delivery ports of the conveying line are staggered, the number of the blocking pushers is four, and the blocking pushers are arranged in pairs with the pusher guide wheels.

7. The dual layer roller conveyor line safety barrier mechanism of claim 6, wherein, An assembly fixing plate is fixedly arranged on the side of the lifting platform close to the conveying line, and an assembly bolt is fixedly connected between each of the blocking pushers and the assembly fixing plate.

8. The dual layer roller conveyor line safety barrier mechanism of claim 7, wherein, The blocking pusher is composed of a fixed piece, a connecting piece and a guide piece, the fixed piece is arranged perpendicularly to the connecting piece, a positioning hole is formed in the fixed piece, and the positioning hole is arranged in pairs with the assembly bolt.

9. The dual layer roller conveyor line safety barrier mechanism of claim 8, wherein, The guide piece is integrally formed on one end of the connecting piece, and the horizontal height of the side of the guide piece close to the connecting piece is higher than that of the other side.

10. The dual layer roller conveyor line safety barrier mechanism of claim 9, wherein, The rotational radius of the connecting rod is greater than the straight-line distance between the connecting piece and the guide piece.

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