A pair of devices for assembling circular hatch covers

Abstract

A kind of circular cargo hatch cover assembly's set of devices, it includes base assembly, positioning insert, bolt connection seat positioning plate assembly, each positioning insert is arranged on base assembly, the center line of front, middle, rear positioning insert is located on the same straight line;Middle positioning insert two sides are equipped with the positioning slot of circular cargo hatch cover assembly's folding vertical plate and the pin shaft hole of connecting folding vertical plate;Bolt connection seat positioning plate assembly two ends are respectively with middle, rear positioning insert detachably fixed connection, bolt connection seat positioning plate assembly includes positioning plate and connecting seat, connecting seat is detachably arranged above positioning plate, positioning plate is provided with the clamping plate for the bolt mounting seat positioning of circular cargo hatch cover assembly.Using the set of devices can position each spare part of circular cargo hatch cover assembly, improve the assembly efficiency and assembly quality of circular cargo hatch cover assembly, ensure workpiece consistency, interchangeability is good, the circular cargo hatch cover assembly after assembly is opened flexible and good sealing.

Description

Technical fields:

[0001] This invention relates to the field of tooling design and component manufacturing technology, and particularly to the field of grain truck roof sealing component manufacturing technology. Specifically, it relates to a pairing device consisting of a circular loading port cover. Background technology:

[0002] The circular loading hatch cover is a sealing component for the roof of a grain truck. The circular loading hatch cover assembly includes a circular loading hatch cover 2, a pressure plate 1, a hinged upright plate 4, and a bolt mounting base 5 (e.g., ...). Figures 1-5 As shown, an EPDM rubber sealing gasket is installed on the bolt connection seat 5. The quality of the circular loading port cover assembly directly affects the loading and transportation of goods in the grain truck. If the circular loading port cover assembly has poor sealing performance, water leakage will occur during use, affecting the safety of loading grain.

[0003] Currently, when assembling the round loading hatch cover, template marking is used to assemble the various components. However, the quality of the assembled parts is easily affected by the operator's skill level, making it difficult to guarantee the straightness of the center lines of the two hinge plates and the pressure plate. After assembly with the grain truck roof cover, the opening is not flexible. Therefore, the assembled parts have poor consistency and weak interchangeability. At the same time, there is a certain error on the upper plane of the bolt connection seat, which leads to poor sealing after the sealing gasket is installed. Summary of the Invention:

[0004] To address the aforementioned problems, this invention provides an assembly device for circular loading port covers, which improves the assembly efficiency of the circular loading port covers, ensures good consistency of the assembled workpieces, and effectively guarantees the straightness of the center lines of the pressure plate and the two hinged uprights, the coaxiality of the pin holes of the two hinged uprights, and the flatness of the upper surface of the bolt mounting base.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] This invention provides an assembly device for a circular loading hatch cover. The assembly device includes a base assembly, positioning inserts, and bolt-connecting seat positioning plates. The base assembly includes a worktable and support legs. The positioning inserts include a front positioning insert, a side positioning insert, a middle positioning insert, and a rear positioning insert, each fixedly mounted on the base assembly. The center lines of the front, middle, and rear positioning inserts are aligned on the same straight line. The middle positioning insert has hinge plate positioning grooves on both sides of a raised structure in the center, and the raised structure has a mechanism for connecting two hinge plates. The plate has a pin hole, a threaded through hole vertically set on the top of the protruding structure, and a bolt hole for connecting the bolt mounting seat positioning plate; the top center of the rear positioning insert has a placement groove for placing the pressure plate and the bolt mounting seat positioning plate; the side positioning insert is set on one side of the front positioning insert and the middle positioning insert; the bolt mounting seat positioning plate is detachably and fixedly connected to the middle positioning insert and the rear positioning insert at both ends, and the bolt mounting seat positioning plate includes a positioning plate and a connecting seat. The connecting seat is detachably set on the top of the positioning plate, and the positioning plate is provided with a clamping plate for positioning the bolt mounting seat.

[0007] The worktable formed by the base is a rectangular structure. The four corners of the worktable are provided with screw holes corresponding to the support legs. The worktable and the support legs are connected by bolts. The front positioning insert, the middle positioning insert, and the rear positioning insert are located on a straight line and on the center line of the length direction of the rectangular worktable formed by the base.

[0008] The front positioning insert, side positioning insert, middle positioning insert, and rear positioning insert are all provided with threaded holes corresponding to the worktable formed by the base. The front positioning insert, side positioning insert, middle positioning insert, and rear positioning insert are all detachably connected to the worktable formed by the base by bolts.

[0009] On one side of the workbench formed by the base, four through holes are symmetrically arranged at the circumference of the circular loading port cover. On the other side of the workbench formed by the base, a through hole is provided at the flipped circular loading port cover to be assembled, for the placement of the arched structure on the top of the circular loading port cover.

[0010] The front positioning insert is provided with a pressure plate mounting seat. On the worktable formed by the base, a bottom bent plate for placing the pressure plate and a through hole for the pressure plate mounting seat of the front positioning insert are provided at the corresponding pressure plate mounting seat on the front positioning insert. The through hole is slightly larger than the size of the pressure plate mounting seat, and the pressure plate mounting seat on the front positioning insert is placed in the through hole.

[0011] The central positioning insert has a convex cross-section; the pin hole on the protruding structure in the middle of the central positioning insert matches the pin hole on the hinge plate; the bolt hole on the protruding structure for connecting the bolt connecting seat positioning plate matches the size of the corresponding bolt hole in the bolt connecting seat positioning plate.

[0012] The placement groove on the top of the rear positioning insert matches the width of the pressure plate and the bolt connection seat positioning plate; the placement groove is provided with threaded holes, which match the position and size of the bolt holes corresponding to the bolt connection seat positioning plate.

[0013] The distance between the side positioning insert and the midpoint between the front positioning insert and the middle positioning insert is matched with the radius of the circular loading port cover.

[0014] The positioning plate, which is composed of bolt connection seat positioning plates, is circular, with 6 clamping plates evenly arranged around its circumference for positioning bolt mounting seats; the connecting seat, which is composed of bolt connection seat positioning plates, is connected to the circular thread of the positioning plate by bolts.

[0015] The connecting seat, which is composed of bolt connecting seat positioning plates, has a long strip shape in the middle and rounded ends, and is staggered from the installation position of the bolt mounting seat. The connecting seat has screw holes at both ends that match the middle positioning insert and the rear positioning insert, and the two ends of the connecting seat are fixed to the middle positioning insert and the rear positioning insert respectively by positioning pins.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The present invention can ensure that the center line of the two hinged uprights of the circular loading port cover is on the same straight line as the center line of the pressure plate.

[0018] 2. The present invention can ensure the coaxiality of the pin holes of the two hinge plates.

[0019] 3. By using this invention, the positional accuracy of the bolt mounting base can be guaranteed, and the surface error of each bolt mounting base is controlled within the tolerance range, effectively ensuring the flatness of the bolt mounting base surface and ensuring the sealing performance after assembling the sealing gasket.

[0020] 4. The present invention can improve the production efficiency of assembling and installing circular loading port covers.

[0021] In summary, the use of this invention for assembling and installing circular loading hatch assemblies enables the positioning of each component, improves the assembly efficiency and quality of the circular loading hatch assemblies, produces qualified circular loading hatch assemblies, ensures the consistency and interchangeability of the assembled workpieces, and provides flexible opening and good sealing of the assembled circular loading hatch assemblies. Attached image description:

[0022] Figure 1 A schematic diagram showing the usage status of a circular loading port cover;

[0023] Figure 2 A schematic diagram of the three-dimensional structure composed of a circular loading port cover (I);

[0024] Figure 3 A schematic diagram of the three-dimensional structure composed of a circular loading port cover (II);

[0025] Figure 4 A front view of the circular loading hatch cover;

[0026] Figure 5 for Figure 4 AA section view;

[0027] Figures 6-8 These are the front view, left view, and right view of the present invention;

[0028] Figure 9 This is a top view of the present invention;

[0029] Figure 10 for Figure 9 AA section view;

[0030] Figures 11-13 These are the front view, left view, and right view of the invention in use.

[0031] Figure 14 This is a top view showing the usage state of the present invention;

[0032] Figure 15 for Figure 14 AA section view;

[0033] Figure 16 A schematic diagram showing the circular loading port cover flipped up on this invention;

[0034] Figure 17 This is a diagram showing the usage state of the bolt connection seat positioning plate of the present invention;

[0035] Figure 18 This is a front view of the bolt connection seat positioning plate of the present invention;

[0036] Figure 19 This is a side view of the bolt connection seat positioning plate of the present invention;

[0037] Figure 20 This is a top view of the bolt connection seat positioning plate of the present invention;

[0038] Figure 21 This is a schematic diagram of the bolt connection seat positioning plate of the present invention rotated at a certain angle;

[0039] Figures 22-24 These are the front view, side view, and top view of the front positioning insert in this invention;

[0040] Figures 25-27 These are the front view, side view, and top view of the positioning insert in this invention;

[0041] Figures 28-30 These are the front view, side view, and top view of the rear positioning insert in this invention;

[0042] Figures 31-32 These are the front view and top view of the side positioning insert in this invention.

[0043] Figure reference numerals:

[0044] Composed of: 1-pressure plate, 2-circular loading port cover, 3-partition plate, 4-folding upright plate, 5-bolt mounting seat, 6-positioning pin, 7-front positioning insert, 8-side positioning insert, 9-middle positioning insert, 10-bolt connection seat positioning plate, 11-rear positioning insert, 12-base. Detailed implementation method:

[0045] The present invention will be further described below with reference to specific embodiments. These specific embodiments are further explanations of the principles of the present invention and are not intended to limit the present invention in any way. Any technology that is the same as or similar to the present invention does not exceed the scope of protection of the present invention.

[0046] join Figures 1-5 In the prior art, the sealing component of the grain truck roof includes a circular loading port cover, which consists of a circular loading port cover 2, a pressure plate 1, a hinged upright plate 4, and bolt mounting seats 5. The top of the circular loading port cover 2 is an arched structure, and the circumference of the circular loading port cover 2 is bent downwards. A pressure plate 1 is provided on one side of the circular loading port cover 2, and two hinged upright plates 4 are provided on the opposite side. The center lines of the pressure plate 1 and the two hinged upright plates 4 coincide. Six bolt mounting seats 5 are evenly arranged around the inside of the arched structure of the circular loading port cover 2. The pressure plate 1 is bent and includes a top bent plate, a bottom bent plate, and a middle connecting plate. The top bent plate and the middle connecting plate are tightly attached to and fixed on the circular loading port cover 2, and the top bent plate presses on the circular loading port cover 2. Two hinged uprights 4 are arranged in parallel, with corresponding pin holes on each. A partition 3 is placed between the two hinged uprights 4. The hinged uprights 4 and the partition 3 are fixed to the circular loading port cover 2 on the opposite side of the pressure plate 1. Currently, the production assembly of the circular loading port cover uses template marking to assemble each component. This method results in inconsistent assembly quality.

[0047] See Figures 6-32To ensure the assembly quality of the aforementioned circular loading hatch assemblies, this invention provides an assembly device for circular loading hatch assemblies, used for assembling and installing the assemblies. This assembly device improves the production efficiency and assembly quality of the circular loading hatch assemblies. The assembly device includes a base assembly 12, positioning inserts, and a bolt connection seat positioning plate assembly 10. The positioning inserts include a front positioning insert 7, a side positioning insert 8, a middle positioning insert 9, and a rear positioning insert 11, each fixedly mounted on the base assembly 12.

[0048] The base assembly 12 includes a worktable and support legs. The worktable has a rectangular structure, and screw holes corresponding to the support legs are provided at the four corners of the worktable. The worktable and support legs are connected by bolts. A circular loading port cover 2 to be assembled is placed on one side of the worktable of the base assembly 12. Four through holes are symmetrically arranged on one side of the worktable corresponding to the circumference of the circular loading port cover 2 for adjusting the position of the circular loading port cover 2, facilitating the use of tools to move and position the circular loading port cover 2. A through hole is provided on the other side of the worktable of the base assembly 12 corresponding to the flipped circular loading port cover 2 to be assembled, for placing the arched structure on top of the circular loading port cover 2.

[0049] The center lines of the front positioning insert 7, the middle positioning insert 9, and the rear positioning insert 11 are located on a straight line and on the center line of the rectangular worktable of the base assembly 12 along its length. The front positioning insert 7, the side positioning insert 8, the middle positioning insert 9, and the rear positioning insert 11 are all provided with threaded holes corresponding to the worktable of the base assembly 12. The front positioning insert 7, the side positioning insert 8, the middle positioning insert 9, and the rear positioning insert 11 are all detachably connected to the worktable of the base assembly 12 by bolts.

[0050] The front positioning insert 7 is provided with a pressure plate mounting seat for placing and positioning the pressure plate 1. In use, the bottom bent plate of the pressure plate 1 is tightly pressed against the pressure plate mounting seat. On the worktable of the base assembly 12, a through hole is provided at the position corresponding to the pressure plate mounting seat on the front positioning insert 7 for placing the bottom bent plate of the pressure plate 1 and the pressure plate mounting seat of the front positioning insert 7. The through hole is slightly larger than the size of the pressure plate mounting seat, and the pressure plate mounting seat on the front positioning insert 7 is placed in the through hole.

[0051] The central positioning insert 9 has a convex cross-section. Positioning grooves for the hinge plates 4 are provided on both sides of the central protrusion. The protrusion has pin holes for connecting the two hinge plates 4, which match the pin holes of the hinge plates 4. A threaded through hole is vertically provided at the top of the central protrusion of the central positioning insert 9, through which a bolt is inserted to press downward against the circular loading port cover 2. Bolt holes for connecting the bolt connecting seat positioning plate assembly 10 are provided on the central protrusion of the central positioning insert 9, and their dimensions match the corresponding bolt holes of the bolt connecting seat positioning plate assembly 10.

[0052] The rear positioning insert 11 has a placement groove at the top center for placing the pressure plate 1 and the bolt connection seat positioning plate 10. The width of the placement groove matches the width of the pressure plate 1 and the bolt connection seat positioning plate 10. The placement groove is provided with threaded holes that match the position and size of the bolt holes corresponding to the bolt connection seat positioning plate 10.

[0053] The side positioning insert 8 is located on one side of the front positioning insert 7 and the middle positioning insert 9. The distance between the side positioning insert 8 and the midpoint between the front positioning insert 7 and the middle positioning insert 9 is matched with the radius of the circular loading port cover 2.

[0054] The bolt connection seat positioning plate assembly 10 is detachably and fixedly connected at both ends to the middle positioning insert 9 and the rear positioning insert 11, respectively. The bolt connection seat positioning plate assembly 10 includes a positioning plate and a connecting seat. The positioning plate is annular, with six evenly spaced clamping plates around its circumference for positioning the bolt mounting seat 5. The connecting seat is positioned above the positioning plate and is threadedly connected to the annular portion of the positioning plate by bolts. The connecting seat has a long, narrow center and rounded ends, staggered from the installation position of the bolt mounting seat 5 to avoid its location and facilitate positioning and fixing. The connecting seat has screw holes at both ends that match the middle positioning insert 9 and the rear positioning insert 11, respectively. The connecting seat is fixed to the middle positioning insert 9 and the rear positioning insert 11 by positioning pins 6.

[0055] This assembly uses front positioning insert 7 and middle positioning insert 9 to ensure the straightness of the center line between the pressure plate 1 and the center line between the two hinged upright plates 4 in the circular loading port cover assembly, as well as the coaxiality between the pin holes of the two hinged upright plates 4. The front positioning insert 7, middle positioning insert 9, and side positioning insert 8 ensure the relative position between the circular loading port cover 2 and the pressure plate 1 and hinged upright plates 4. This assembly uses middle positioning insert 9, rear positioning insert 11, bolt connection seat positioning plate assembly 10, and positioning pin 6 to ensure the relative positional accuracy between the pressure plate 1, circular loading port cover 2, partition plate 3, hinged upright plates 4, and bolt connection seat 5.

[0056] When using this pairing device to perform pairing operations for circular loading hatch covers, the specific operating steps are as follows:

[0057] 1. Place the circular loading port cover 2, which is composed of circular loading port covers, on the worktable of the base assembly 12 of the assembly device. The circular loading port cover 2 is positioned between the front positioning insert 7, the side positioning insert 8, and the middle positioning insert 9. After the position of the circular loading port cover 2 is determined, the pressure plate 1, which is composed of circular loading port covers, is then installed by assembling the mounting plates. The top bent plate and the middle connecting plate of the pressure plate 1 are tightly attached to the circular loading port cover 2, and the bottom bent plate is positioned on the pressure plate mounting seat of the front positioning insert 7.

[0058] 2. Place the two circular loading port covers forming the folding upright plates 4 symmetrically in the positioning grooves on both sides of the middle positioning insert 9 of the assembly device, and insert the positioning pins into the pin holes of the two folding upright plates 4 and the middle positioning insert 9. Use the positioning pins to ensure the coaxiality between the pin holes on the two folding upright plates 4.

[0059] 3. Adjust the position of the pressure plate 1 and the two folding upright plates 4. Ensure that the center line of the pressure plate 1 and the center line between the two folding upright plates 4 are on the same straight line through the front positioning insert 7 and the middle positioning insert 9. After the pressure plate 1 and the two folding upright plates 4 are positioned, the top of the middle positioning insert 9 is fitted with a bolt and pressed down against the circular loading port cover 2. Then install the pressure plate 1 and the two folding upright plates 4. Weld the pressure plate 1 to the circular loading port cover 2. A partition 3 is vertically set between the two folding upright plates 4 and one end of the circular loading port cover 2. Weld the partition 3 and the two folding upright plates 4 to the opposite side of the circular loading port cover 2.

[0060] 4. Flip the round loading port cover 2 180 degrees using the positioning pin installed between the two hinged upright plates 4 and the middle positioning insert 9, and place the pressure plate 1 in the placement groove of the rear positioning insert 11.

[0061] 5. Fix both ends of the bolt connection seat positioning plate assembly 10 of the assembly to the middle positioning insert 9 and the rear positioning insert 11 of the assembly, respectively, and use positioning pins 6 to install into the pin holes corresponding to the middle positioning insert 9 and the rear positioning insert 11 of the bolt connection seat positioning plate assembly 10.

[0062] 6. Place the bolt mounting seat 5, which is part of the circular loading port cover, into the corresponding card plate of the positioning plate of the bolt connection seat positioning plate 10 to determine the installation position and horizontal height of the bolt mounting seat 5. After the installation position and horizontality of the bolt mounting seat 5 are determined, weld and fix the bolt mounting seat 5 to the designed position inside the circular loading port cover 2 to complete the assembly of all components of the circular loading port cover.

[0063] 7. After the components of the circular loading port cover are assembled, remove the positioning pins 6 at both ends of the bolt connecting seat positioning plate assembly 10, rotate the bolt connecting seat positioning plate assembly 10 by a certain angle, and then remove the bolt connecting seat positioning plate assembly 10. Next, remove the positioning pin installed between the hinge plate 4 and the middle positioning insert 9, as well as the bolts that are installed on the protruding structure in the middle of the middle positioning insert 9 to press the circular loading port cover 2 downward.

Claims

1. A device for aligning a pair of circular hatch covers, characterized by: The assembly includes a base assembly (12), positioning inserts, and a bolt-connected positioning plate assembly (10). The base assembly (12) includes a worktable and support legs. The positioning inserts include a front positioning insert (7), a side positioning insert (8), a middle positioning insert (9), and a rear positioning insert (11). Each positioning insert is fixedly mounted on the base assembly (12). The center lines of the front positioning insert (7), the middle positioning insert (9), and the rear positioning insert (11) are on the same straight line. The middle positioning insert (9) has folding plate (4) positioning grooves on both sides of the protruding structure in the middle. The protruding structure has pin holes for connecting the two folding plates (4). The top of the structure is vertically provided with threaded through holes and bolt holes for connecting the bolt connecting seat positioning plate assembly (10); the top center of the rear positioning insert (11) is provided with a placement groove for placing the pressure plate (1) and the bolt connecting seat positioning plate assembly (10); the side positioning insert (8) is set on one side of the front positioning insert (7) and the middle positioning insert (9); the two ends of the bolt connecting seat positioning plate assembly (10) are detachably fixedly connected to the middle positioning insert (9) and the rear positioning insert (11) respectively. The bolt connecting seat positioning plate assembly (10) includes a positioning plate and a connecting seat. The connecting seat is detachably set on the top of the positioning plate. The positioning plate is provided with a clamping plate for positioning the bolt mounting seat (5).

2. A set of devices for aligning a circular hatch cover assembly according to claim 1, characterized in that: The worktable of the base assembly (12) is rectangular. The four corners of the worktable are provided with screw holes corresponding to the support legs. The worktable and the support legs are connected by bolts. The front positioning insert (7), the middle positioning insert (9), and the rear positioning insert (11) are located on a straight line and on the center line of the length direction of the rectangular worktable of the base assembly (12).

3. A set of devices for aligning a circular hatch cover assembly according to claim 1, characterized in that: The front positioning insert (7), side positioning insert (8), middle positioning insert (9), and rear positioning insert (11) are all provided with threaded holes corresponding to the worktable of the base assembly (12). The front positioning insert (7), side positioning insert (8), middle positioning insert (9), and rear positioning insert (11) are all detachably connected to the worktable of the base assembly (12) by bolts.

4. The assembly device consisting of a circular loading port cover according to claim 1, characterized in that: On one side of the workbench of the base assembly (12), four through holes are symmetrically arranged at the circumference of the circular loading port cover (2). On the other side of the workbench of the base assembly (12), a through hole is provided at the location of the flipped circular loading port cover (2) to be assembled, for the placement of the arched structure on the top of the circular loading port cover (2).

5. A set of devices for a circular hatch cover assembly according to claim 1, characterized in that: The front positioning insert (7) is provided with a pressure plate mounting seat. On the worktable of the base assembly (12), a bottom bending plate for placing the pressure plate (1) and a through hole for the pressure plate mounting seat of the front positioning insert (7) are provided at the corresponding pressure plate mounting seat. The through hole is slightly larger than the size of the pressure plate mounting seat, and the pressure plate mounting seat on the front positioning insert (7) is placed in the through hole.

6. A set of devices for a circular hatch cover assembly according to claim 1, characterized in that: The cross section of the central positioning insert (9) is convex; the pin hole provided on the protruding structure in the middle of the central positioning insert (9) matches the pin hole of the hinge plate (4); the bolt hole provided on the protruding structure for connecting the bolt connecting seat positioning plate assembly (10) matches the size of the corresponding bolt hole of the bolt connecting seat positioning plate assembly (10).

7. A set of devices for a circular hatch cover assembly according to claim 1, characterized in that: The placement groove on the top of the rear positioning insert (11) matches the width of the pressure plate (1) and the bolt connection seat positioning plate (10); the placement groove is provided with threaded holes, which match the position and size of the bolt holes corresponding to the bolt connection seat positioning plate (10).

8. A set of devices for a circular hatch cover assembly according to claim 1, characterized in that: The distance between the side positioning insert (8) and the midpoint between the front positioning insert (7) and the middle positioning insert (9) is matched with the radius of the circular loading port cover (2).

9. A set of devices for a circular hatch cover assembly according to claim 1, characterized in that: The positioning plate of the bolt connection seat positioning plate assembly (10) is a circular ring, with 6 clamping plates evenly arranged around the circumference for positioning the bolt mounting seat (5); the connecting seat of the bolt connection seat positioning plate assembly (10) is connected to the circular ring of the positioning plate by bolts.

10. The assembly device consisting of a circular loading port cover according to claim 1, characterized in that: The bolt connection seat positioning plate (10) has a long strip in the middle and rounded ends, which are staggered from the installation position of the bolt mounting seat (5). The two ends of the connection seat are respectively provided with screw holes that match the middle positioning insert (9) and the rear positioning insert (11). The two ends of the connection seat are respectively fixed to the middle positioning insert (9) and the rear positioning insert (11) by positioning pins (6).

Images