A rack assembly and a conveyor line assembly

Abstract

The present application provides a kind of rack assembly and conveying line assembly, conveying line assembly includes main rail and conveying component;Rack assembly includes flexible rack and support boss;At the upper end of the rack, the support boss is arranged on both sides of the rack;Or, at the upper end and the lower end of the rack, the support boss is arranged on both sides of the rack;The lower end of main rail includes left chamber and right chamber of opposite opening, and the support boss of the upper end of the rack is arranged on both sides of the rack respectively installed in left chamber, right chamber.This application uses the elastic deformation of flexible rack, cancels the tensioning device of chain transmission mechanism, solves the problem that traditional rigid rack cannot be bent and changed direction.Simple structure can realize turning in two directions at the same time.

Description

[0001] This application is a divisional application of the application for an invention patent for a rack assembly and a conveying line assembly, with the application number CN 201610462382.9 and the name of a rack assembly and a conveying line assembly, the application date of which is June 22, 2016. TECHNICAL FIELD

[0002] The present application relates to a conveying line assembly and a rack assembly. BACKGROUND

[0003] The conveying line is widely used in the material transmission in the production process of various industries, and has the characteristics of high efficiency and low labor intensity compared with manual material handling. At present, although the structures of the conveying line are various, the driving mechanism basically adopts the chain transmission mode, which has the advantages of convenient realization of long-distance transmission and the disadvantages of heavy structure, high strength requirement for the framework, inconvenience for installation and maintenance, chain elongation caused by wear during use, the need to set a tensioning structure, complex mechanism and short service life of the chain. In addition, the chain transmission cannot realize the turning and changing of the conveying in two directions at the same time, and cannot meet the individualized needs of users. SUMMARY

[0004] In order to solve the problems existing in the prior art, the present application provides a rack assembly which cancels the tensioning device of the chain transmission mechanism by using the elastic deformation of the flexible rack, and has a simple structure and can realize the turning and changing in two directions at the same time.

[0005] The rack assembly provided by the present application comprises a flexible rack and a support boss. The support boss is arranged on both sides of the rack at the upper end of the rack, or the support boss is arranged on both sides of the rack at the upper end and the lower end of the rack. The rack assembly is hung below the main rail of the conveying line by the support boss at the upper end of the rack, and the rack is driven by a driving device. Since the flexible rack can be elastically deformed, the conveying line mechanism is simple, the assembly is convenient, and the turning and changing in two directions at the same time are realized. The support boss at the lower end of the rack is used to mount an accessory such as a hanger hook mechanism. The rack and the support boss are preferably made of high-wear-resistant and high-elastic plastic.

[0006] In order to realize the engagement with the gear, the cross section of the rack is corrugated, and the support bosses on both sides of the rack can be arranged at the positions of the wave crests and the wave troughs of the corrugation respectively. As long as the strength of the corrugated rack is properly controlled, the weight of the rack is greatly reduced while the quality is ensured.

[0007] In order to enhance the strength of the rack, the cross section of the rack is corrugated, including the upper corrugated rack and the lower corrugated rack arranged in parallel, the wave crests of the upper corrugated rack and the lower corrugated rack are outward and staggered by a half wavelength distance, so that the gear can be driven from any side of the rack assembly. The upper corrugated rack is connected with the lower corrugated rack, the support bosses on both sides of the rack are arranged at the wave crest positions of the upper corrugated rack and the lower corrugated rack respectively, the two corrugated racks connected with each other and arranged in parallel increase the overall strength of the rack while maintaining the flexibility of the rack. The connection position of the upper corrugated rack and the lower corrugated rack is preferably at the middle part in the height direction of the rack, and the connection is also made at the end of the rack. The tooth surface shape of the corrugated rack adopts an isosceles trapezoid with an included angle of 40 degrees, and for the structure of the upper corrugated rack and the lower corrugated rack, the corrugated shape of the upper corrugated rack and the lower corrugated rack preferably adopts an isosceles trapezoid with an included angle of 40 degrees, which is convenient for meshing with the gear.

[0008] In order to facilitate transportation and installation, the length of a single rack is relatively short, the racks are connected through the buckling structure, and the racks can also be connected at the head and tail through the buckling mechanism.

[0009] In order to realize stable connection of the rack and prevent it from falling off during operation, the buckling structure includes plug-in parts and buckling parts at both ends of the rack. The plug-in part includes an L-shaped boss and a L-shaped boss, the L-shaped boss and the L-shaped boss form a first plug-in slot and a second plug-in slot with the rack, the first plug-in slot and the second plug-in slot are upward and downward respectively, the L-shaped boss and the L-shaped boss also form a first plug-in hole with the rack, the first plug-in hole is located between the first plug-in slot and the second plug-in slot; the buckling part includes an L-shaped boss and a L-shaped boss, the L-shaped boss and the L-shaped boss form a second plug-in hole with the rack, the second plug-in hole and the opening thereof are adapted to the vertical edge and the horizontal edge of the L-shaped boss respectively; the rack is further provided with a boss adapted to the first plug-in slot; the first plug-in hole and the second plug-in slot are adapted to the vertical edge of the L-shaped boss and the vertical edge of the L-shaped boss respectively.

[0010] After the rack assembly is installed on the main rail, in order to facilitate the turning of the rack assembly, the outer edge of the support boss is arc-shaped.

[0011] The application also provides a conveying line assembly, which comprises a main rail and a conveying component, wherein the conveying component adopts the rack assembly provided by the application; the lower end of the main rail is provided with a left chamber and a right chamber which are opposite to each other, and the support bosses arranged on the two sides of the rack are respectively arranged in the left chamber and the right chamber. The rack assembly is hung in the left and right chambers of the main rail through the support bosses, and the rack is driven to move on the main rail through the driving device. Since the flexible rack can be elastically deformed, the conveying line mechanism is simple, the assembly is convenient, and the bending and rail changing in two directions can be realized at the same time. The rack and the support boss are preferably made of high-wear-resistant and high-elastic plastic. The left chamber and the right chamber are preferably U-shaped.

[0012] In order to avoid the noise generated by the direct contact between the rack and the main rail and the rapid wear of the flexible rack, a lining is used to isolate the flexible rack and the main rail, that is, the left chamber and the right chamber are filled with the lining, and the support boss is arranged in the sliding groove of the lining. The lining is made of self-lubricating and high-wear-resistant plastic.

[0013] The lower end of the main rail is also provided with left and right anti-falling bosses for preventing the lining from falling off the main rail, so that the lining is reliably fixed in the left and right chambers of the main rail and cannot be separated, the structure is simple, and the connection is reliable.

[0014] The application has the following beneficial effects: (1) the parts of the conveying line assembly are made of high-wear-resistant and high-elastic plastic, which solves the problems of the traditional chain transmission mechanism, such as heavy structure, difficult installation and short service life; (2) the structure is simple, the operation is stable, and the noise is low; (3) the elastic deformation of the flexible rack cancels the tensioning device of the chain transmission mechanism, reduces the cost, and facilitates the installation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the conveying line assembly of the application;

[0016] Figure 2 It is a side view of the rack assembly of the application;

[0017] Figure 3 It is a front view of the rack assembly of the application (the buckling structure is not shown);

[0018] Figure 4 It is a schematic view of the rack main rail of the application;

[0019] Figure 5 It is a schematic view of the lining of the application;

[0020] Figure 6 It is a top view of the rack assembly of the application;

[0021] Figure 7 It is a perspective view of the rack assembly of the application.

[0022] Figure: 1, rack main rail; 2, lining; 3, rack assembly; 1-1, left chamber; 1-2, left anti-off boss; 1-3, right anti-off boss; 1-4, right chamber; 2-1, chute; 2-2, pit; 3-1, support boss; 3-2, upper corrugated rack; 3-3, boss outer edge; 3-4, socket one; 3-5 boss one; 3-6 socket one; 3-7, boss two; 3-8, socket two; 3-9, boss three; 3-10, socket two; 3-11, boss four; 3-12, lower corrugated rack; 3-13, lower corrugated rack crest line; 3-14, lower corrugated rack trough line; 3-15, boss five. DETAILED DESCRIPTION

[0023] As shown in Figure 2 , 3 , 6, 7, the rack assembly 3 includes a flexible rack and a support boss 3-1, the support boss 3-1 is arranged on both sides of the rack, the upper and lower ends of the rack are provided with support bosses, and the outer edge of the support boss is arranged in an arc shape. The cross section of the rack is corrugated, and the support boss is arranged at the wave crest and wave trough of the corrugated rack. If a single rack structure is adopted, there is only one corrugated rack, and the support boss is arranged at the wave crest and wave trough of the single corrugated rack. Figure 6 The rack includes an upper corrugated rack 3-2 and a lower corrugated rack 3-12, the upper corrugated rack 3-2 and the lower corrugated rack 3-12 are arranged in parallel and connected to each other, the wave crests of the upper corrugated rack 3-2 and the lower corrugated rack 3-12 are both outward, and the distance between an adjacent wave crest and wave trough is half a wavelength, so that the gear can be driven from any side of the rack assembly 3. The connection part of the upper corrugated rack 3-2 and the lower corrugated rack 3-12 is located at the middle position in the thickness direction of the rack; the support bosses 3-3 on both sides of the rack are arranged at the wave crest positions of the upper corrugated rack 3-2 and the lower corrugated rack 3-12 respectively. The corrugated shape of the upper corrugated rack and the lower corrugated rack adopts an isosceles trapezoid with an included angle of 40 degrees, which is convenient for meshing with a standard gear with a pressure angle of 20 degrees.

[0024] In actual production, the length of a single rack is relatively short, in order to realize the connection of the rack and form a ring-shaped conveying line, the two ends of the rack are provided with a buckling structure, and the buckling structure is used to connect two rack components or realize the head-to-tail connection of the rack assembly to form a ring-shaped conveying line. The buckling component includes a plug-in part and a buckling part at the two ends of the rack, the plug-in part can be made into a cylindrical shape, and the buckling part is made into a circular ring shape with an opening (the opening is used to accommodate the connection part of the cylindrical plug-in part and the rack), and the plug-in part is inserted into the buckling part to realize the plug-in. The buckling component can also use the structure as shown in Figure 6 The plug-in part includes an L-shaped boss five 3-15, The bosses 3-5, 3-15, and 3-6 form an upward-opening slot 3-10 and a downward-opening slot 3-6 with the upper corrugated rack 3-2, respectively. The bosses 3-15 and 3-5 also form a right-opening insertion port 3-4 with the upper corrugated rack 3-2, wherein the insertion port 3-4 is located between slot 3-6 and slot 3-10; the fastening part includes an L-shaped boss 3-7. The boss 3-9, boss 2 3-7, and boss 3-9 together with the upper corrugated rack 3-2 form a left-facing insertion port 3-8. Insertion port 3-8 and its opening are respectively adapted to the vertical and horizontal sides of boss 1 3-5. The inner side of the crest of the upper corrugated rack 3-2 is also provided with a boss 4 3-11 adapted to slot 2 3-10. Insertion port 1 3-4 and slot 1 3-6 are respectively adapted to the vertical sides of boss 3-9 and boss 2 3-7. During insertion, align the vertical edge of boss 1 3-5 with socket 2 3-8 and boss 4 3-11 with slot 2 3-10. After insertion, insert the vertical edge of boss 1 3-5 into socket 2 3-8, insert boss 4 3-11 into slot 2 3-10, insert the vertical edge of boss 3 3-9 into socket 1 3-4, and insert the vertical edge of boss 2 3-7 into slot 1 3-6. This ensures a stable connection of the rack and pinion and prevents it from falling off.

[0025] like Figure 1 , 4 As shown in Figure 5, the rack assembly is installed below the main rail 1. Specifically, the lower end of the main rail is provided with a left chamber 1-1 and a right chamber 1-4, which are U-shaped. The liner 2 has a groove 2-1 on the left end and a pit 2-2 on the right end, and the liner 2 is approximately I-shaped. The liner 2 is installed in the left chamber 1-1 and the right chamber 1-4 respectively. The main rail is also provided with a left anti-detachment boss 1-2 and a right anti-detachment boss 1-3. Due to the anti-detachment bosses, once the liner 2 is installed in the U-shaped cavities at the left and right ends of the main rail, it is reliably fixed and cannot be separated. The structure is simple, the connection is reliable, and it prevents the liner 2 from falling out of the U-shaped cavities at the left and right ends. The support bosses 3-3 on the upper end and both sides of the rack are installed in the grooves 2-1 of the liner 2. The support bosses on the lower end and both sides of the rack are used to hang other components, such as the clothes hanger hook mechanism provided in application number 2015210974128. Liner 2 and rack are both made of self-lubricating, highly wear-resistant, and highly elastic plastic.

[0026] In a specific implementation, this invention is driven by gears, combined with Figure 3 , 7, gear is roughly inserted between the lower corrugated rack crest line 3-13 (gear can also be set opposite position, the corresponding gear is roughly inserted between the upper corrugated rack crest line of the lower corrugated rack trough line position), by rotating the gear to drive the rack on the main track, if the track is a ring track, due to the flexibility of the flexible rack, it is convenient to turn around on the ring track. Flexible rack can be hung according to the need of accessories, such as clothes hanger hook mechanism, push rod mechanism, to realize the specific needs of users.

Claims

1. A rack assembly comprising a flexible rack and support bosses; at the upper end of the rack, the support bosses are arranged on both sides of the rack; or, at the upper end and the lower end of the rack, the support bosses are arranged on both sides of the rack; the cross section of the rack is corrugated; both ends of the rack are provided with a buckling structure for connecting two rack assemblies; characterized in that: The fastening structure includes insertion portions and fastening portions located at both ends of the rack; the insertion portion includes an L-shaped boss and... L-shaped boss, The L-shaped bosses form upward-facing and downward-facing first and second slots with the rack, respectively. The L-shaped boss also forms a first insertion port with the rack, opening to the right, wherein the first insertion port is located between the first and second slots; the fastening part includes the L-shaped boss, L-shaped boss, The shaped boss and the rack form a second insertion port with an opening to the left. The second insertion port and its opening are respectively connected to... The vertical and horizontal sides of the shaped boss are adapted; the rack is also provided with a fourth boss adapted to the first slot, which is located on the inner wall surface of the crest; the first insertion port and the second slot are respectively adapted to... The vertical sides of the L-shaped boss and the vertical sides of the L-shaped boss are adapted to each other; the outer edge of the supporting boss is arc-shaped.

2. The rack assembly of claim 1, wherein: The rack comprises upper and lower wave-shaped racks arranged in parallel, the crests of the upper and lower wave-shaped racks are outward and staggered by a half wavelength, the upper wave-shaped rack is connected with the lower wave-shaped rack, a gap is formed between the upper and lower wave-shaped racks, and the support bosses arranged on both sides of the rack are arranged at the crest positions of the upper and lower wave-shaped racks respectively.

3. The rack assembly of claim 2, wherein: After the two rack assemblies are connected, the wave shape is continued at the connection position, and the buckling structure is located in the crest of the upper wave-shaped rack formed by the continuation of the connection position.

4. The rack assembly of claim 2, wherein: The plug-in part and the buckling part are arranged at the end connection position of the upper and lower wave-shaped racks, and the boss matched with the first plug-in groove is located in the inner wall surface of the crest of the upper wave-shaped rack.

5. The rack assembly of claim 1, wherein: After the plurality of rack assemblies are connected, the buckling structure of the rack assemblies at both ends is further used to connect the plurality of rack assemblies into a ring shape.

6. The rack assembly of claim 1, wherein: The tooth surface shape of the wave-shaped rack is an isosceles trapezoid with an included angle of 40 degrees.

7. The rack assembly of claim 2, wherein: The gap is wave-shaped.

8. A conveyor line assembly comprising a main track and a conveyor element, the main track having a cavity at its lower end, characterized in that: The conveying component adopts the rack assembly according to any one of claims 1-7, and the support bosses arranged on both sides of the upper end of the rack are respectively installed in the cavities.

9. The delivery line assembly of claim 8, wherein: The cavities comprise left and right cavities which are oppositely opened, and the support bosses arranged on both sides of the upper end of the rack are respectively installed in the left and right cavities.

10. The delivery line assembly of claim 9, wherein: The left and right cavities are filled with liners, and the support bosses are installed in the sliding grooves of the liners.

11. The delivery line assembly of claim 10, wherein: The lower end of the main rail is further provided with anti-falling bosses for preventing the liners from falling off the main rail.

Images