CN219703376U

CN219703376U - Rivet assembly fixture

Info

Publication number: CN219703376U
Application number: CN202320441303.1U
Authority: CN
Inventors: 杨纪东
Original assignee: Shanghai Chuanchang Precision Machinery Co ltd
Current assignee: Shanghai Chuanchang Precision Machinery Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-09-19
Anticipated expiration: 2033-03-07

Abstract

The utility model provides a rivet assembly fixture, which comprises a base, wherein a supporting frame is arranged on the top side of the base, a first positioning mechanism and a second positioning mechanism for fixing a part to be riveted on the supporting frame are arranged on the top side of the supporting frame, a movable pressing plate driven by an electric cylinder is arranged on the rear side of a vertical plate, and a pressing column which is in sliding connection with the vertical plate and used for pressing out rivets in the part to be riveted is arranged on the front side of the pressing plate; the utility model has the following beneficial effects: the riveting part can be positioned through the first positioning mechanism and the second positioning mechanism, the first positioning mechanism and the second positioning mechanism are connected through the lock catch, the part to be riveted can be fixed on the supporting frame, the positioning effect is good, the electric cylinder is used for driving the pressing plate to move, the pressing column on the pressing plate not only can press out the rivet in the part to be riveted, but also can pre-press the spring positioned on the surface of the rivet, and therefore the riveting work is convenient for workers.

Description

Rivet assembly fixture

Technical Field

The utility model relates to the technical field of assembly tools, in particular to a rivet assembly tool.

Background

The riveting gun is used for fastening and riveting various metal plates, pipes and other manufacturing industries, is widely used for riveting electromechanical and light industrial products such as automobiles, aviation, railways, refrigeration, elevators, switches, instruments, furniture, decoration and the like, and in the assembly process of parts, the positioning of the parts, the pre-pressing of the springs and the riveting of the rivets are required to be synchronously carried out, but the positioning of the parts, the pre-pressing of the springs and the riveting of the rivets can cause complicated operation if carried out simultaneously, and in addition, when the parts are actually assembled, the positioning effect of the parts is not good, and the riveting of the rivets in the parts by workers is inconvenient.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a rivet assembling tool for solving the problems of poor positioning effect and complicated operation in the prior art.

In order to achieve the above object and other related objects, the utility model provides a rivet assembly fixture, which comprises a base, wherein a supporting frame is arranged on the top side of the base, a first positioning mechanism and a second positioning mechanism for fixing a part to be riveted on the supporting frame are arranged on the top side of the supporting frame, the first positioning mechanism comprises a bottom plate arranged on the supporting frame, a vertical plate connected with the bottom plate and a top plate connected with the vertical plate, limiting plates are arranged on the left side and the right side of the vertical plate, the first positioning mechanism is U-shaped, the second positioning mechanism comprises a positioning plate, a first positioning block, a second positioning block and a third positioning block which are positioned in the first positioning mechanism, the first positioning block, the second positioning block and the third positioning block are sequentially arranged on the positioning plate from top to bottom, a movable pressing plate driven by an electric cylinder is arranged on the rear side of the vertical plate, a limiting plate is arranged on the front side of the vertical plate, the pressing plate is connected with the vertical plate in a sliding manner, the sliding manner is used for pressing the part to be riveted, the sliding manner is provided with four sliding columns are arranged in the sliding columns, the sliding columns are arranged in the sliding columns, the sliding columns are arranged in the positions are in the positions of the rivet assembly fixture, and the rivet assembly fixture is arranged in the rivet assembly fixture is rivet assembly fixture, and the rivet assembly fixture is comprises rivet assembly fixture.

In an embodiment of the utility model, the surfaces of the first positioning mechanism and the second positioning mechanism are provided with movable safety shields, bearing sleeves are arranged on the left side and the right side of the safety shields, and linear shafts positioned on the two sides of the first positioning mechanism and the second positioning mechanism are connected in a sliding manner in the bearing sleeves, wherein the number of the linear shafts is two, the number of the bearing sleeves is four, and one linear shaft is connected with two bearing sleeves in a sliding manner.

In an embodiment of the utility model, a handle is arranged on the top side of the safety shield, and a sensing switch positioned between two linear shafts is arranged on the right side of the supporting frame, wherein the sensing switch can sense whether the safety shield moves to the position of the sensing switch, so that the riveting safety is ensured.

In an embodiment of the utility model, the first positioning mechanism is connected with the second positioning mechanism through a lock catch, the lock catch comprises a male lock catch arranged at the bottom side of the bottom plate and the top side of the top plate and female lock catches arranged at the upper side and the lower side of the positioning plate, the female lock catch is matched with the male lock catch and is clamped on the male lock catch, a notch for the male lock catch on the bottom side of the bottom plate to pass through is formed in the supporting frame, and the notch is arranged to facilitate the operation of the lock catch on the bottom side by a worker.

In an embodiment of the utility model, the top side of the base is connected with an electric cylinder through a supporting plate, a piston rod of the electric cylinder is connected with a push plate positioned right behind the pressing plate, and guide posts mounted on a vertical plate are connected in a sliding manner in the pressing plate, wherein the number of the guide posts is four, and the positions of the four guide posts are respectively arranged at the side of the pressing post.

In an embodiment of the utility model, a positioning column is arranged on the front side of the positioning plate, the positioning plate is provided with a groove, a clamping groove positioned right below the groove is arranged on the top side of the base, and the positioning column passes through the groove and is clamped in the clamping groove.

As described above, the rivet assembly tool has the following beneficial effects:

according to the riveting machine, the outer surface of the part to be riveted can be positioned through the bottom plate, the vertical plate, the top plate and the limiting plate in the first positioning mechanism, the inner surface of the part to be riveted can be positioned through the first positioning block, the second positioning block and the second positioning block in the second positioning mechanism, the first positioning mechanism and the second positioning block are connected through the lock catch, the part to be riveted can be fixed on the supporting frame, the positioning effect is good, the electric cylinder can drive the push plate to move, the pressing plate can move, the pressing column on the pressing plate can press out the rivet in the part to be riveted, the spring on the surface of the rivet can be pre-pressed, the riveting work is facilitated for workers, and the riveting work efficiency is improved.

Drawings

FIG. 1 is a schematic perspective view of a left front view of an installed part of a rivet assembly tool disclosed in an embodiment of the present utility model;

FIG. 2 is a schematic left-hand cross-sectional perspective view of an uninstalled part of a rivet assembly tool as disclosed in an embodiment of the present utility model;

FIG. 3 is a schematic perspective view in elevation of an uninstalled part of a rivet assembly tool as disclosed in an embodiment of the present utility model;

FIG. 4 is a front top perspective view of a base, an electric cylinder and a first positioning mechanism in the rivet assembly tool disclosed in the embodiment of the utility model;

FIG. 5 is a front perspective view of a second positioning mechanism in the rivet assembly tool disclosed in the embodiment of the utility model;

FIG. 6 is a schematic rear perspective view of a second positioning mechanism in the rivet assembly tool disclosed in the embodiment of the utility model;

fig. 7 is a schematic left-hand cross-sectional view of a part of the rivet assembly tool disclosed in an embodiment of the present utility model.

Description of element reference numerals

1. A base; 2. a rivet gun; 3. a linear shaft; 4. a bearing sleeve; 5. a safety shield; 6. a handle; 7. a support frame; 8. a second positioning mechanism; 801. a positioning plate; 802. a groove; 803. a first positioning block; 804. a second positioning block; 805. a third positioning block; 9. an inductive switch; 10. positioning columns; 11. a part; 12. a female lock catch; 13. a support plate; 14. an electric cylinder; 15. a push plate; 16. a first positioning mechanism; 1601. a bottom plate; 1602. a riser; 1603. a top plate; 1604. a limiting plate; 17. pressing a column; 18. a guide post; 19. a male lock catch; 20. a notch; 21. a clamping groove; 22. a rivet mechanism; 2201. a rivet; 2202. a spring; 2203. a chute; 23. and (5) pressing plates.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1 to 7. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

Referring to fig. 1 to 7, the utility model provides a rivet assembling tool, which comprises a base 1, wherein a supporting frame 7 is arranged on the top side of the base 1, a first positioning mechanism 16 and a second positioning mechanism 8 for fixing a part 11 to be riveted on the supporting frame 7 are arranged on the top side of the supporting frame 7, movable safety shields 5 are arranged on the surfaces of the first positioning mechanism 16 and the second positioning mechanism 8, bearing sleeves 4 are arranged on the left side and the right side of the safety shields 5, linear shafts 3 positioned on the two sides of the first positioning mechanism 16 and the second positioning mechanism 8 are connected in a sliding manner in the bearing sleeves 4, the number of the linear shafts 3 is two, the number of the bearing sleeves 4 is four, two bearing sleeves 4 are connected on one linear shaft 3 in a sliding manner, a handle 6 is arranged on the top side of the safety shields 5, and an inductive switch 9 positioned between the two linear shafts 3 is arranged on the right side of the supporting frame 7, wherein whether the inductive switch 9 can induce the safety shields 5 to move to the position of the inductive switch 9 or not, so that the riveting safety is ensured;

the first positioning mechanism 16 comprises a bottom plate 1601 installed on the supporting frame 7, a vertical plate 1602 connected with the bottom plate 1601 and a top plate 1603 connected with the vertical plate 1602, limiting plates 1604 are arranged on the left side and the right side of the vertical plate 1602, wherein the first positioning mechanism 16 is U-shaped, the second positioning mechanism 8 comprises a positioning plate 801, a first positioning block 803, a second positioning block 804 and a third positioning block 805 which are positioned in the first positioning mechanism 16, the first positioning block 803, the second positioning block 804 and the third positioning block 805 are sequentially installed on the positioning plate 801 from top to bottom along the height direction of the positioning plate 801, a positioning column 10 is arranged on the front side of the positioning plate 801, a groove 802 is formed in the positioning plate 801, a clamping groove 21 positioned under the groove 802 is formed in the top side of the base 1, and the positioning column 10 is clamped in the clamping groove 21 through the groove 802;

the first positioning mechanism 16 is connected with the second positioning mechanism 8 through a lock catch, the lock catch comprises a male lock catch 19 arranged on the bottom side of the bottom plate 1601 and the top side of the top plate 1603 and female lock catches 12 arranged on the upper side and the lower side of the positioning plate 801, the female lock catches 12 are matched with the male lock catches 19 and are clamped on the male lock catches 19, a notch 20 for the male lock catches 19 on the bottom side of the bottom plate 1601 to pass through is formed in the supporting frame 7, and the notch 20 is arranged to operate the lock catches on the bottom side more conveniently for staff;

the rear side of the riser 1602 is provided with a movable pressing plate 23 driven by an electric cylinder 14, the front side of the pressing plate 23 is provided with pressing posts 17 which are in sliding connection with the riser 1602 and are used for pressing out rivets 2201 in a part 11 to be riveted, a sliding groove 2203 is formed in the part 11 to be riveted, the rivets 2201 are in sliding connection with the sliding groove 2203, the outer surfaces of the rivets 2201 are sleeved with springs 2202 positioned in the sliding groove 2203, the number of the pressing posts 17 is four, the specific positions of the four pressing posts 17 are set according to the positions of the rivets 2201 in a product to be riveted, the top side of the base 1 is connected with the electric cylinder 14 through a supporting plate 13, the pre-pressing force of each spring 2202 is the same as the pushing force of each rivet 2201, a pushing plate 15 positioned right behind the pressing plate 23 is connected to a piston rod of the pressing force electric cylinder 14, the pressing plates 23 are in sliding connection with guide posts 18 mounted on the riser 1602, the number of the four guide posts 18 is also arranged at the sides of the pressing posts 17, and the positions of the four guide posts 18 are respectively arranged at the sides of the pressing posts 17, so that the front side of the pressing posts 23 can move more stably;

specifically, when the component 11 is assembled, the handle 6 is pushed, the safety protection cover 5 moves backwards under the sliding fit of the bearing sleeve 4 on the linear shaft 3, then the component 11 to be riveted is placed in the first positioning mechanism 16, at this time, the spring 2202 and the rivet 2201 are already installed in the component 11 to be riveted, then the first positioning inner bottom plate 1601, the riser 1602, the top plate 1603 and the limiting plate 1604 position the outer surface of the component 11 to be riveted, the first positioning block 803, the second positioning block 804 and the second positioning block 804 in the second positioning mechanism 8 position the inner surface of the component 11 to be riveted, then the first positioning mechanism 16 and the second positioning mechanism 8 are connected by the lock catch, so that the component 11 to be riveted can be fixed on the supporting frame 7, then the positioning post 10 is clamped in the clamping groove 21 through the groove 802, so that the second positioning mechanism 8 can be prevented from slightly shaking, and the positioning plate 801 on the second positioning mechanism 8 can be positioned at the middle position in the width direction of the base 1;

more specifically, the handle 6 is pulled again, the safety protection cover 5 moves forward under the sliding fit of the bearing sleeve 4 on the linear shaft 3, when the safety protection cover 5 is detected by the induction switch 9, the electric cylinder 14 can work only when the safety protection cover 5 is detected by the induction switch 9, then the electric cylinder 14 starts to work, the piston rod of the electric cylinder 14 stretches to drive the push plate 15 to move forward, so that the pressing plate 23 moves forward, then the pressing column 17 on the pressing plate 23 is driven to move forward, the pressing column 17 on the pressing plate 23 not only presses the rivet 2201 in the part to be riveted 11, but also pre-presses the spring 2202 positioned on the surface of the rivet 2201, then a worker uses the rivet gun 2 to rivet the pressed rivet 2201, and after the riveting work is finished, the rivet 2201 can be restored to the original position under the action of the elastic extension of the spring 2202.

In summary, the bottom plate 1601, the riser 1602, the top plate 1603 and the limiting plate 1604 in the first positioning mechanism 16 can position the outer surface of the part 11 to be riveted, the first positioning block 803, the second positioning block 804 and the second positioning block 804 in the second positioning mechanism 8 can position the inner surface of the part 11 to be riveted, and then the first positioning mechanism 16 and the second positioning mechanism are connected through the lock catch to fix the part 11 to be riveted on the supporting frame 7, so that the positioning effect is better, the electric cylinder 14 can drive the push plate 15 to move, so that the pressing plate 23 can move, the pressing column 17 on the pressing plate 23 can press the rivet 2201 in the part 11 to be riveted, and the spring 2202 positioned on the surface of the rivet 2201 can be pre-pressed, thereby facilitating the riveting work of workers and improving the riveting work efficiency. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. The utility model provides a rivet assembly fixture, includes the base, the supporting frame is installed to the top side of base, its characterized in that: the top side of braced frame is equipped with first positioning mechanism and second positioning mechanism that is used for waiting to rivet the part fixed on the braced frame, first positioning mechanism including install the bottom plate on the braced frame, with riser that the bottom plate is connected and with the roof that the riser is connected, the left and right sides of riser is equipped with the limiting plate, second positioning mechanism includes the locating plate, is located first positioning block, second locating piece and the third locating block of inside of first positioning mechanism, first positioning block, second locating piece and third locating block are followed locating plate direction from the top down installs in proper order on the locating plate, the rear side of riser is equipped with the movable clamp plate by electric cylinder drive, the front side of clamp plate install with riser sliding connection and be used for waiting to rivet the pressure post of rivet in the part extrusion.

2. A rivet assembly tooling as set forth in claim 1, wherein: the surface of first positioning mechanism and second positioning mechanism is equipped with mobilizable safety protection casing, the bearing housing is installed to the left and right sides of safety protection casing, sliding connection has the straight line axle that is located first positioning mechanism and second positioning mechanism both sides in the bearing housing.

3. A rivet assembly tooling as set forth in claim 2, wherein: the top side of safety protection casing is equipped with the handle, inductive switch between two sharp axles is installed on the right side of carriage.

4. A rivet assembly tooling as set forth in claim 1, wherein: the first positioning mechanism is connected with the second positioning mechanism through a lock catch, the lock catch comprises a male lock catch arranged on the bottom side of the bottom plate and the top side of the top plate and a female lock catch arranged on the upper side and the lower side of the positioning plate, the female lock catch is matched with the male lock catch and is clamped on the male lock catch, and a notch used for the male lock catch on the bottom side of the bottom plate to penetrate through is formed in the supporting frame.

5. A rivet assembly tooling as set forth in claim 1, wherein: the top side of base is connected with electronic cylinder through the backup pad, be connected with on the piston rod of electronic cylinder and be located the push pedal directly behind the clamp plate, sliding connection has the guide post of installing on the riser in the clamp plate.

6. A rivet assembly tooling as set forth in claim 1, wherein: the front side of locating plate is equipped with the reference column, the recess has been seted up to the locating plate, the draw-in groove that is located under the recess is seted up to the top side of base, the reference column passes the recess joint in the draw-in groove.