Automatic riveting machine for universal joint

Abstract

The utility model relates to the technical field of automatic riveting machines, in particular to a universal joint automatic riveting machine which comprises a box body, a cavity is formed in the box body, a fixing plate is movably installed in the cavity, a first air cylinder on one side of a supporting plate on the two sides of the fixing plate is started, a telescopic rod on one side is driven to move towards one side of the fixing plate, and the telescopic rod on the other side is driven to move towards the other side of the fixing plate. A telescopic rod is inserted into an insertion hole of a cross shaft universal joint from the two sides, so that the cross shaft universal joint at one end is kept stable, the cross shaft universal joint at the other end is in a vertical state at the moment, a third air cylinder at the top end of a hanging bracket is started, the third air cylinder downwards presses a riveting block in a protective shell, the riveting block downwards presses a rolling wheel, the rolling wheel downwards presses the riveting block at the lower half section, and a spring at the bottom end is compressed; the riveting rod extends downwards and is inserted into the insertion hole of the cross shaft universal joint, the metal rod in the insertion hole is riveted, then the direction of the cross shaft universal joint is changed to rivet the cross shaft universal joint at the other end, the structure applies force to the downward pressure of the riveting rod, and the riveting pressure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic riveting machines, in particular to an automatic riveting machine for a cross-axis universal joint. Background Art

[0002] A riveting machine is a mechanical device used to attach rivets or rivets to materials. It applies pressure to press the rivet or rivet into the material, creating a secure connection. Riveting machines are widely used in various industries, such as automotive manufacturing, electronic equipment assembly, and furniture manufacturing, to join dissimilar materials such as metal, plastic, and wood.

[0003] During the use of existing riveting machines, workers are required to manually take and place the metal mold after riveting, which is inconvenient for fixing the workpiece and increases the chance of worker injury. In addition, small riveting machines have insufficient pneumatic power or air leakage, which leads to a decrease in riveting work efficiency.

[0004] Therefore, we propose an automatic riveting machine for cross-axis universal joints. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an automatic riveting machine for a cross-axis universal joint.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A cross-axis universal joint automatic riveting machine includes a box body, the box body is provided with a cavity, a fixed plate is movably installed inside the cavity, a fixing assembly is installed on the top of the fixed plate, a riveting assembly is installed above the fixed assembly, support plates are fixedly installed on both sides of the fixed assembly, a cylinder is fixedly installed on the side of the support plate away from the fixed plate, a telescopic rod is movably installed on the side of the fixed plate away from the cylinder, the telescopic rod is fixedly connected to the telescopic end of the cylinder, and slide rails are installed on both sides of the bottom end of the fixed plate, the slide rails are T-shaped, and the slide rails are movably engaged with the fixed plate.

[0008] As a further solution of the present invention: the fixing assembly includes a fixing block, the fixing block is fixedly installed on the top of the fixing plate, and a ring is fixedly installed on the side of the fixing block close to the telescopic rod, and the ring is provided with a circular groove.

[0009] As a further solution of the present invention: a fixing frame is fixedly installed on the side of the fixing plate away from the fixing block, a second cylinder is fixedly installed on the top of the fixing frame, an arc-shaped groove is opened at the bottom end of the fixing frame, a clamp is movably installed inside the fixing frame, and the clamp is fixedly connected to the telescopic end of the second cylinder.

[0010] As a further solution of the present invention: the riveting assembly includes a hanger, a hanger is fixedly installed on the top of the box, a cylinder three is fixedly installed inside the hanger, a protective shell is fixedly installed on the bottom of the hanger, a riveting block is movably installed inside the protective shell, the riveting block is set in two stages, and a slope is provided on the side close to each other.

[0011] As a further solution of the present invention: the slope is provided with a rolling groove, a rolling wheel is movably mounted on one side of the riveting block, a convex ring is fixedly mounted on the outside of the rolling wheel, and the convex ring is movably engaged with the rolling groove.

[0012] As a further solution of the present invention: a riveting rod is fixedly installed at the bottom end of the riveting block, and a spring is sleeved on the outside of the riveting rod.

[0013] Compared with the prior art, the present invention provides an automatic riveting machine for a cross-axis universal joint, which has the following beneficial effects:

[0014] 1. The utility model fixes both ends and both sides of the cross-axis universal joint by installing a fixing assembly and utilizing the telescopic rods on both sides of the workpiece and the collar and clamps on the top of the fixing plate, thereby improving the stability of the workpiece.

[0015] 2. The utility model installs the riveting assembly and uses the method of adding a roller in the middle of the riveting block to add force to the riveting rod, thereby making up for the lack of power of the pneumatic tool and improving the riveting efficiency of the riveting machine.

[0016] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of an automatic riveting machine for a cross-axis universal joint proposed in the utility model;

[0018] Figure 2 This is a side structural schematic diagram of an automatic riveting machine for a cross-axis universal joint proposed by the present invention;

[0019] Figure 3 This is a three-dimensional structural diagram of an automatic riveting machine for a cross-axis universal joint proposed by the present invention;

[0020] Figure 4 The present invention is a schematic diagram of the three-dimensional structure of an automatic riveting machine for a cross-axis universal joint.

[0021] In the figure: 1. Box body; 2. Cavity; 3. Fixed plate; 4. Support plate; 5. Cylinder 1; 6. Telescopic rod; 7. Slide rail; 8. Fixed block; 9. Ring; 10. Circular groove; 11. Fixed frame; 12. Cylinder 2; 13. Arc groove; 14. Clamp; 15. Hanger; 16. Cylinder 3; 17. Protective shell; 18. Riveted block; 19. Slope; 20. Rolling groove; 21. Rolling wheel; 22. Raised ring; 23. Riveted rod; 24. Spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0024] Embodiment: A cross-axis universal joint automatic riveting machine, such as Figures 1-4 As shown, it includes a box body 1, the box body 1 is provided with a cavity 2, a fixed plate 3 is movably installed inside the cavity 2, a fixing assembly is installed on the top of the fixed plate 3, a riveting assembly is installed above the fixed assembly, support plates 4 are fixedly installed on both sides of the fixed assembly, a cylinder 5 is fixedly installed on the side of the support plate 4 away from the fixed plate 3, a telescopic rod 6 is movably installed on the side of the fixed plate 3 away from the cylinder 5, the telescopic rod 6 is fixedly connected to the telescopic end of the cylinder 5, and slide rails 7 are installed on both sides of the bottom end of the fixed plate 3, the slide rails 7 are T-shaped, and the slide rails 7 are movably engaged with the fixed plate 3.

[0025] like Figures 1-4The cam 13 is provided with a plurality of cams 14, each of which is provided with a plurality of cams 15, 16 and 17. The cam 13 is provided with a plurality of cams 16 and 17. The cam 13 is provided with a plurality of cams 14 and 17. The cam 13 is provided with a plurality of cams 14 and 17. The cam 13 is provided with a plurality of cams 14 and 17.

[0026] like Figure 1-Figure 3 As shown, the riveting assembly includes a hanger 15, a hanger 15 is fixedly installed on the top of the box 1, a cylinder 16 is fixedly installed inside the hanger 15, a protective shell 17 is fixedly installed on the bottom of the hanger 15, a riveting block 18 is movably installed inside the protective shell 17, and the riveting block 18 is a two-stage high and low setting. The riveting blocks 18 are each provided with a slope 19 on one side thereof, and the slope 19 is provided with a rolling groove 20. A rolling wheel 21 is movably installed on one side of the riveting block 18, and the rolling wheel 2 A convex ring 22 is fixedly installed on the outside, and the convex ring 22 is movably engaged with the rolling groove 20. A rivet rod 23 is fixedly installed on the bottom end of the rivet block 18, and a spring 24 is sleeved on the outside of the rivet rod 23. The cylinder 3 16 at the top of the hanger 15 is started, and the cylinder 3 16 presses down the rivet block 18 inside the protective shell 17. The rivet block 18 presses down the roller, and the roller presses down the lower half of the rivet block 18, compressing the bottom end spring 24, so that the rivet rod 23 extends downward and is inserted into the socket of the cross-axis universal joint to rivet the metal rod inside the socket.

[0027] Working principle: First, connect the device cylinder 1 5, cylinder 2 12, and cylinder 3 16 to the air compressor, pull the fixed plate 3 out of the box 1 along the slide rail 7 through the handle, install the cross-axis universal joint crosswise, insert the metal rod into the socket, and then put one end of the cross universal joint into the circular groove 10 of the ring 9 of the fixing block 8, and place the other end in the arc groove 13 inside the fixing frame 11, start cylinder 2 12, drive the clamp 14 inside the fixing frame 11 to press down, fix one end of the cross universal joint, and push the fixed plate 3 back into the box 1.

[0028] Activate cylinder 1 (5) on the side of support plate 4 on either side of fixed plate 3, driving one telescopic rod (6) toward fixed plate 3. Telescopic rod 6 inserts into the socket of the universal joint from both sides, stabilizing the universal joint on one end while keeping the universal joint on the other end vertical. Activate cylinder 3 (16) at the top of hanger 15, which presses down on riveting block 18 inside protective shell 17. Riveting block 18 presses down on rollers, which in turn press down on the lower half of riveting block 18, compressing bottom spring 24 and causing riveting rod 23 to extend downward and insert into the socket of the universal joint, riveting the metal rod inside. Then, reverse the direction of the universal joint to rivet the universal joint on the other end. This structure increases the downward force of riveting rod 23, increasing the riveting pressure.

[0029] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic riveting machine for a universal joint, comprising a housing (1), characterized in that The box body (1) is provided with a cavity (2), a fixed plate (3) is movably installed inside the cavity (2), a fixed assembly is installed on the top of the fixed plate (3), a riveting assembly is installed above the fixed assembly, support plates (4) are fixedly installed on both sides of the fixed assembly, a cylinder (5) is fixedly installed on the side of the support plate (4) away from the fixed plate (3), a telescopic rod (6) is movably installed on the side of the fixed plate (3) away from the cylinder (5), the telescopic rod (6) is fixedly connected to the telescopic end of the cylinder (5), and slide rails (7) are installed on both sides of the bottom end of the fixed plate (3), the slide rails (7) are T-shaped, and the slide rails (7) are movably engaged with the fixed plate (3).

2. The cross-axis universal joint automatic riveting machine according to claim 1, characterized in that The fixing assembly comprises a fixing block (8), the fixing block (8) is fixedly mounted on the top of the fixing plate (3), a collar (9) is fixedly mounted on the side of the fixing block (8) close to the telescopic rod (6), and the collar (9) is provided with a circular groove (10).

3. The cross-axis universal joint automatic riveting machine according to claim 1, characterized in that A fixing frame (11) is fixedly mounted on the side of the fixing plate (3) away from the fixing block (8), a second cylinder (12) is fixedly mounted on the top of the fixing frame (11), an arc-shaped groove (13) is provided at the bottom end of the fixing frame (11), a clamp (14) is movably mounted inside the fixing frame (11), and the clamp (14) is fixedly connected to the telescopic end of the second cylinder (12).

4. The automatic riveting machine for cross-axis universal joints according to claim 3, characterized in that The riveting assembly includes a hanger (15), a hanger (15) is fixedly installed at the top end of the box (1), a cylinder three (16) is fixedly installed inside the hanger (15), a protective shell (17) is fixedly installed at the bottom end of the hanger (15), a riveting block (18) is movably installed inside the protective shell (17), and the riveting block (18) is a two-stage high and low setting, and a slope (19) is provided on each side of the riveting block (18).

5. The automatic riveting machine for cross-axis universal joints according to claim 4, characterized in that The slope (19) is provided with a rolling groove (20), and a rolling wheel (21) is movably mounted on one side of the riveting block (18). A convex ring (22) is fixedly mounted on the outside of the rolling wheel (21), and the convex ring (22) is movably engaged with the rolling groove (20).

6. The automatic riveting machine for cross-axis universal joints according to claim 5, characterized in that A riveting rod (23) is fixedly mounted on the bottom end of the riveting block (18), and a spring (24) is sleeved on the outside of the riveting rod (23).

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