CN215144387U

CN215144387U - A multi-riveting rod riveting press with adjustable riveting rod position

Info

Publication number: CN215144387U
Application number: CN202120752035.6U
Authority: CN
Inventors: 于绍洋; 徐凯; 李波; 王坤胜; 李强
Original assignee: China University of Geosciences
Current assignee: China University of Geosciences
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-12-14
Anticipated expiration: 2031-04-13

Abstract

The utility model provides a multi-riveting rod riveting press with adjustable riveting rod positions, comprising a riveting press head, wherein the riveting press head comprises a second motor, a casing, a pinion, two large gear spline sleeves, Two spline crankshafts, an upper template, a lower template, a plurality of riveting rods, oil cylinders and pistons; the output shaft of the second motor extends into the casing and is connected with the pinion key, and the upper end of each splined crankshaft is connected to a large The inner rings of the gear spline sleeves are matched and connected, the outer rings of the gear parts of the two large gear spline sleeves are respectively meshed with the pinions, the oil cylinder is installed in the casing, the piston and the oil cylinder are gap-fitted, and the piston and the flower The middle part of the key crankshaft is cooperatively connected, the upper end of the upper template is cooperatively connected with the lower end of the splined crankshaft, the lower end of the upper template is in contact with the upper spherical surface of the riveting rod, and the lower template is cooperatively connected with the lower end of the riveting rod. The riveting press of the utility model has the advantages of wide application range, simple structure, strong technological applicability and low cost, and can effectively improve the riveting and pressing efficiency.

Description

Multi-riveting-rod riveting machine with adjustable riveting rod positions

Technical Field

The utility model belongs to riveting equipment field especially relates to a rivet many riveting bars riveting machine of pole position adjustable.

Background

Riveting is a conventional means of connecting components. With the increasing requirements of various material structure performance and the increasing of the sealing performance of components, various riveting technologies such as sealing riveting, special riveting and plastic hot riveting are developed on the basis of the common riveting technology. The riveting tool is continuously improved and improved, and compared with other connection methods, the riveting method has the advantages of simple process, stable connection, simple operation, convenient quality inspection, easy fault elimination and the like.

The riveting machine is a novel riveting device developed according to a cold rolling principle, namely a mechanical device capable of riveting objects by rivets. The device has compact structure, stable performance and convenient and safe operation. The riveting machine mainly completes assembly by rotation and pressure, is mainly applied to occasions needing riveting of rivets (hollow rivets, solid rivets and the like), and is divided into pneumatic, oil-pressure and electric driving modes according to a common driving mode, and the specifications of the riveting machine comprise single heads and double heads.

When the existing riveting machine carries out multi-riveting point riveting, multiple power heads or multiple single machines are usually adopted for combined work, when the multiple power heads are adopted for work, the multi-power heads can only be used as special machines, the structure is complex, the process applicability is poor, and riveting can not be finished for riveting points which are relatively close to each other; when a plurality of single machines are adopted for combined work, the cost is higher.

Disclosure of Invention

In view of this, the utility model provides a rivet many poles of pole position adjustable riveting machine, the position of riveting the pole can arrange wantonly on the lower bolster, and nearer riveting point can rivet equally, and the cost is lower.

The utility model provides a multi-riveting-rod riveting machine with adjustable riveting rod positions, which comprises a riveting machine head, wherein the riveting machine head comprises a second motor, a shell, a pinion, two large-gear spline sleeves, two spline crankshafts, an upper template, a lower template, a plurality of riveting rods, an oil cylinder and a piston; the output shaft of the second motor stretches into the shell and is connected with the pinion key, every the upper end of the spline crankshaft is connected with the inner ring of a gear wheel spline housing in a matched mode, the outer rings of the gear parts of the two gear wheel spline housings are respectively meshed with the pinion, the oil cylinder is installed in the shell, the piston is in clearance fit with the oil cylinder, the piston is connected with the middle part of the spline crankshaft in a matched mode, the upper end of the upper template is connected with the lower end of the spline crankshaft in a matched mode, the lower end of the upper template is in spherical pair contact with the upper end of the riveting rod, and the lower template is connected with the lower end of the riveting rod in a matched mode.

Furthermore, the upper end of the lower template is connected with a connecting plate, the lower end of the connecting plate is fixedly connected with the lower template, and the upper end of the connecting plate is connected with the spline crankshaft in a matched mode.

Furthermore, two fifth bearing holes are formed in the upper end of the connecting plate, a third single-row ball bearing is mounted in each fifth bearing hole, and the inner ring of each third single-row ball bearing is connected with the spline crankshaft in a matched mode.

Furthermore, the lower template is provided with three sixth bearing holes, each sixth bearing hole is internally provided with a joint ball bearing, and the joint ball bearings are connected with the lower end of the riveting rod in a matching manner.

Furthermore, two first bearing holes are formed in the upper end of the shell, a first double-row ball bearing is mounted in each first bearing hole, and the inner ring of each first double-row ball bearing is connected with the outer ring of the spline shaft of the large gear spline housing in a matched mode.

Furthermore, two second bearing holes and two third bearing holes are sequentially formed in the piston from top to bottom, a first single-row ball bearing is installed in each second bearing hole, a second double-row ball bearing is installed in each third bearing hole, and the inner ring of each first single-row ball bearing and the inner ring of each second double-row ball bearing are connected with the middle part of the spline crankshaft in a matched mode.

Furthermore, two fourth bearing holes are formed in the upper end of the upper template, a second single-row ball bearing is installed in each fourth bearing hole, the inner ring of each second single-row ball bearing is connected with the lower end of the spline crankshaft in a matched mode, three riveting rod holes are formed in the lower end of the upper template, and the riveting rod holes are in contact with the upper end spherical surface pairs of the riveting rods.

Furthermore, a locking nut is sleeved on the outer side of each spline crankshaft.

The utility model discloses following beneficial effect has: the whole application of the equipment is wide, the structure is simple, the process applicability is strong, the cost is low, and the riveting efficiency can be effectively improved; the number and the position of the riveting rods can be randomly arranged on the lower template.

Drawings

Fig. 1 is the utility model relates to a complete machine structure schematic diagram of many riveting rods riveting machine of riveting rod position adjustable.

Fig. 2 is the utility model relates to a structural schematic diagram of the riveting aircraft nose of many riveting rod riveting machines of riveting rod position adjustable.

Fig. 3 is the utility model relates to an installation schematic diagram of the riveting rod of the many riveting rod riveting machines of riveting rod position adjustable.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.

Referring to fig. 2, an embodiment of the present invention provides a riveting machine with multiple adjustable riveting rods, including a first motor 1, a lifting bolt 2, a machine body 3, a hydraulic pump station 4, a foot switch 5, a machine tool base 6, a lifting handle 7, a dovetail guide rail 8, a lifting table 9, a workpiece fixture 10 and a riveting machine head 11, wherein the first motor 1 and the lifting bolt 2 are both installed on the machine body 3, the lifting bolt 2 is mainly for convenient installation and debugging, the hydraulic pump station 4 is arranged at the right side of the machine body 3, the dovetail guide rail 8, the foot switch 5 and the lifting handle 7 are all arranged on the machine tool base 6, the foot switch 5 is connected with an electric control part of the spinning machine, so as to facilitate an operator to regulate and control equipment, the machine tool base 6 is connected with the ground in contact, the lifting table 9 is connected with the lifting handle 7 through threads, the lifting handle 7 is used for controlling the lifting table 9 to lift along the dovetail guide rail 8, the workholding fixture 10 is mounted on the lifting table 9 for centering and can be adjusted to different parts.

Referring to fig. 1, a riveting press head 11 includes a second motor 12, a housing 13, a pinion 14, two large-gear spline housings 15, two spline crankshafts 16, an upper mold plate 17, a lower mold plate 18, a plurality of riveting rods 19, an oil cylinder 20, and a piston 21.

The second motor 12 is arranged above the housing 13, an output shaft of the second motor 12 extends into the housing 13 and is in key connection with the pinion 14, the upper end of each spline crankshaft 16 is in fit connection with an inner ring of a large-gear spline housing 15, outer rings of gear parts of the two large-gear spline housings 15 are respectively meshed with the pinion 14, two first bearing holes 131 are formed in the upper end of the housing 13, a first double-row ball bearing 132 is respectively installed in each first bearing hole 131, and an inner ring of each first double-row ball bearing 132 is in fit connection with an outer ring of a spline shaft of one large-gear spline housing 15.

The oil cylinder 20 is installed in the housing 13 through bolts, the piston 21 is in clearance fit with the oil cylinder 20, the piston 21 can reciprocate in the oil cylinder 20, and the oil cylinder 20 is provided with a cylinder cover 27 connected with the oil cylinder 20 through bolts.

Two second bearing holes 211 and two third bearing holes 212 are sequentially formed in the piston 21 from top to bottom, a first single-row ball bearing 213 is installed in each second bearing hole 211, a second double-row ball bearing 214 is installed in each third bearing hole 212, the inner ring of each first single-row ball bearing 213 and the inner ring of each second double-row ball bearing 214 are matched and connected with the middle part of the spline crankshaft 16, the lower side of the piston 21 is connected with an adjusting nut 26, the displacement of the piston 21 is adjusted through the adjusting nut 26, and the control precision is within 0.02 mm; the upper end and the lower end of the piston 21 are respectively provided with a sealing groove, a sealing ring 215 is placed in the sealing groove to realize sealing, and the sealing ring 215 is made of wear-resistant and high-temperature-resistant materials; in this embodiment, the hydraulic pump station 4 provides a power source for the movement of the piston 21, and the foot switch 5 is used for controlling the up-and-down movement of the piston 21.

In this embodiment, a lock nut 22 is sleeved on the outer side of each spline crankshaft 16, and the lock nut 22 is located above the first single-row ball bearing 213 and used for limiting the axial movement of the spline crankshaft 16 and preventing the spline crankshaft 16 from shifting upwards during rotation.

Referring to fig. 2 and 3, the upper die plate 17 is located below the piston 21, two fourth bearing holes 171 are formed in the upper end of the upper die plate 17, a second single-row ball bearing 172 is installed in each fourth bearing hole 171, an inner ring of each second single-row ball bearing 172 is connected with the lower end of the spline crankshaft 16 in a matched manner, three rivet rod holes 173 are formed in the lower end of the upper die plate 17, and the rivet rod holes 173 are in contact with an upper end spherical pair of the rivet rods 19.

The upper end of the lower template 18 is connected with a connecting plate 23, the lower end of the connecting plate 23 is integrally connected with the lower template 18, the upper end of the connecting plate 23 is located above the upper template 17, two fifth bearing holes 231 are formed in the upper end of the connecting plate 23, a third single-row ball bearing 232 is mounted in each fifth bearing hole 231, the inner ring of each third single-row ball bearing 232 is connected with the spline crankshaft 16 in a matched mode, three sixth bearing holes 181 are formed in the lower template 18, a joint ball bearing 182 is mounted in each sixth bearing hole 181, and the joint ball bearing 182 is connected with the lower end of the riveting rod 19 in a matched mode.

The lower part of the shell 13 is connected with a circular dial 24 and an inner dial 25, the circular dial 24 is in threaded connection with the inner dial 25, the inner dial 25 is in bolted connection with a cylinder cover 27, the circular dial 24 is in contact with the lower end of an adjusting nut 26, and the circular dial 24 and the inner dial 25 are used for adjusting scales through threads.

The working process of the multi-riveting-rod riveting machine provided by the embodiment is as follows: the second motor 12 drives the pinion 14 to rotate after being started, the pinion 14 drives the large gear spline housing 15 to rotate after rotating, the large gear spline housing 15 drives the spline crankshaft 16 to rotate at a constant speed after rotating, and the spline crankshaft 16 drives the riveting rod 19 to rotate at a constant speed around the axis line of the riveting rod 19 after rotating at a constant speed; after the oil cylinder 20 is driven by hydraulic pressure, the piston 21 moves downwards along the oil cylinder 20, and then the spline crankshaft 16, the upper template 17, the lower template 18, the connecting plate 23 and the riveting rod 19 are driven to be pressed downwards together to complete riveting.

The utility model provides a whole application universality of riveting machine is big, simple structure, technology suitability are strong and with low costs.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A multi-riveting rod riveting press with adjustable riveting rod position, characterized in that it comprises a riveting press head, and the riveting press head comprises a second motor, a casing, a pinion, two large gear splines sleeve, two spline crankshafts, upper template, lower template, a plurality of riveting rods, oil cylinders and pistons; the output shaft of the second motor extends into the casing and is connected with the pinion key, and the upper end of each of the splined crankshafts Both are connected with the inner ring of the large gear spline sleeve, the outer rings of the gear parts of the two large gear spline sleeves are respectively meshed with the pinion, the oil cylinder is installed in the casing, and the piston and the oil cylinder are gap-fitted, so The piston is connected with the middle part of the splined crankshaft, the upper end of the upper template is connected with the lower end of the splined crankshaft, the lower end of the upper template is in contact with the upper spherical surface of the riveting rod, and the lower template is in contact with the riveting rod. Fitting connection at the lower end.

2. The multi-riveting rod riveting press with adjustable riveting rod position according to claim 1, wherein the upper end of the lower template is connected with a connecting plate, and the lower end of the connecting plate is fixedly connected with the lower template, so The upper end of the connecting plate is matched and connected with the spline crankshaft.

3. The multi-riveting rod riveting press with adjustable riveting rod position according to claim 2, wherein two fifth bearing holes are provided on the upper end of the connecting plate, and a fifth bearing hole is installed in each of the fifth bearing holes. The third single-row ball bearing, the inner ring of each third single-row ball bearing is matched and connected with the spline crankshaft.

4 . The multi-riveting rod riveting press with adjustable riveting rod position according to claim 1 , wherein three sixth bearing holes are opened on the lower template, and a joint is installed in each sixth bearing hole. 5 . A ball bearing, the joint ball bearing is matched and connected with the lower end of the riveting rod.

5 . The multi-riveting rod riveting press with adjustable riveting rod position according to claim 1 , wherein two first bearing holes are provided on the upper end of the casing, and one bearing hole is installed in each of the first bearing holes. 6 . In the first double-row ball bearing, the inner ring of each first double-row ball bearing is matched and connected with the outer ring of the spline shaft of the large gear spline sleeve.

6 . The multi-riveting rod riveting press with adjustable riveting rod position according to claim 1 , wherein two second bearing holes and two third bearing holes are opened in the piston in sequence from top to bottom, 6 . A first single-row ball bearing is installed in each second bearing hole, a second double-row ball bearing is installed in each third bearing hole, the inner ring of each first single-row ball bearing and each second double-row ball bearing The inner ring of the shaft is matched with the middle part of the splined crankshaft.

7. The multi-riveting rod riveting press with adjustable riveting rod position according to claim 1, wherein the upper end of the upper template is provided with two fourth bearing holes, and each fourth bearing hole is installed with a The second single-row ball bearing, the inner ring of each second single-row ball bearing is connected with the lower end of the splined crankshaft, the lower end of the upper template is provided with three rivet rod holes, and the rivet rod holes are connected to the upper end spherical surface of the rivet rod. secondary contact.

8 . The multi-riveting rod riveting press with adjustable riveting rod positions according to claim 1 , wherein a locking nut is sleeved on the outer side of each of the spline crankshafts. 9 .