CN219425570U - Two-way pressfitting structure of rivet - Google Patents

Abstract

The utility model discloses a bidirectional pressing structure of rivets, which comprises a table body and a driving piece, wherein a base is arranged on the table body, a pressing groove for a workpiece to be placed in is formed in the base, an upper punch and a lower punch driven by the driving piece are arranged on the base, the upper punch and the lower punch are connected with the base in a sliding mode, the upper punch is arranged at the upper part of the base and used for moving towards the workpiece, and the lower punch is arranged at the lower part of the base and used for moving towards the workpiece. When sending into the machined part in the pressfitting groove, pressfitting to the machined part simultaneously through upper punch and lower punch, just can rivet tightly on the machined part to mechanical equipment processing has improved process speed, and upper and lower simultaneous application of force can exert bigger force to the rivet, can also improve the precision of processing when improving machining efficiency for the rivet is tighter with the machined part connection.

Description

Two-way pressfitting structure of rivet

Technical Field

The utility model relates to the field of metal processing, in particular to a rivet bidirectional pressing structure.

Background

The rivet is a nail-shaped object for connecting two parts with through holes and caps at one end, in riveting, the parts to be riveted are connected by self deformation or interference, the cap shapes can be formed at the two ends of the rivet through extrusion of the rivet in simple riveting, the rivet is not easy to detach after riveting, and the rivet is low in cost, tight in riveting and wide in application range.

But this kind of riveting form still needs great power to go on to the rivet, and not only inefficiency when the workman carries out processing, and riveted quality is difficult to guarantee, and riveted precision is not high, in the production of electrical switch, needs riveted product to high to the riveting precision requirement simultaneously high to the logarithmic requirement, and the manual work is processed and is unable to satisfy the production demand.

Disclosure of Invention

For not only inefficiency when solving under the prior art manual work and carrying out riveting processing, and riveted quality is difficult to guarantee, and riveted precision is not high, just can not satisfy the problem of production demand when requiring high or to product precision requirement is high to product quantity, this application provides a rivet two-way pressfitting structure, and concrete scheme is as follows.

The utility model provides a two-way pressfitting structure of rivet, includes stage body, driving piece, be equipped with the base on the stage body, it has the pressfitting groove that supplies the machined part to put into to open on the base, be equipped with last drift and the lower punch of being driven by the driving piece on the base, go up drift and lower punch and base sliding connection, go up the drift setting on the upper portion of base and be used for towards the machined part motion, the lower punch setting is in the lower part of base and be used for towards the machined part motion.

Through adopting above-mentioned technical scheme, when sending into the machined part in the pressfitting groove, pressfitting the machined part through last drift and lower drift simultaneously, just can rivet tightly on the machined part to mechanical equipment processing has improved process speed, and upper and lower simultaneous application of force can exert bigger force to the rivet, can also improve the precision of processing when improving machining efficiency for the rivet is tighter with the machined part connection.

Optionally, be equipped with the sliding block on the base, sliding block and last drift fixed connection, sliding block and base sliding connection just are driven by the driving piece, the sliding block slides from top to bottom along the base, the lateral wall and the base butt of sliding block.

Through adopting above-mentioned technical scheme, set up sliding block and base sliding connection with upper punch fixed connection, and the lateral wall and the base butt of sliding block can reduce the crooked condition of upper punch when pressing, influences the condition of machining precision when reducing follow-up processing.

Optionally, the upside of sliding block is equipped with the slide bar, slide bar and base sliding connection just stretch out the base, the one end that the slide bar stretched out the base is equipped with the installation head, slide bar department is equipped with the spring, spring one end and installation head fixed connection, the other end and base fixed connection, the spring has the trend that promotes the installation head and keep away from the base motion.

Through adopting above-mentioned technical scheme, when finishing the processing of a machined part, the driving piece stops the application of force, and the spring can promote the slide bar and drive the sliding block upward movement for can not receive the interference of upper punch when the machined part is sent in, improve the convenience of processing.

Optionally, the driving piece includes the promotion cylinder, be equipped with the impeller block on the piston rod of promote the cylinder, impeller block and base sliding connection, the impeller block slides along the length direction of base, it has the groove of stepping down of corresponding slide bar to open on the impeller block, one side that the impeller block is close to the slider is equipped with the inclined plane, the inclined plane inclines from the one side that keeps away from the slider towards one side that is close to the slider, one side that the slider was kept away from to the inclined plane is less than one side that is close to the slider, the impeller block is moved towards the slider to the promotion cylinder drive, the impeller block slides downwards towards the drive slider when moving.

Through adopting above-mentioned technical scheme, from the side promotion and drive sliding block motion's mode, the motion of slide bar is not fully by promoting the cylinder control, and the spring just can stimulate the sliding block and reset when the impeller is deviate from, consequently can realize the reset of upper punch, and lean on the impeller male driving means from the side, the sliding block can pressfitting with lower speed, reduces the condition that the pressfitting speed is too fast to cause the machined part to damage.

Optionally, the sliding block is provided with a fitting inclined plane corresponding to the upper inclined plane of the pushing block.

Through adopting above-mentioned technical scheme, can reduce the interference of impeller and sliding block under inclined plane and the cooperation of agreeing inclined plane for more smooth when impeller drive sliding block, can further improve pressfitting efficiency, improve machining efficiency.

Optionally, the device further comprises a clamping plate for clamping the workpiece, the clamping plate is arranged at a position corresponding to the pressing groove, the clamping plate is provided with a clamping groove corresponding to the shape of the workpiece, and the lower side of the clamping plate is provided with a processing hole corresponding to the lower punch.

Through adopting above-mentioned technical scheme, set up the grip block and can fix the machined part through the centre gripping groove, the stability of machined part when can improving the pressfitting, and can fix a position the processing point position through the mounting, improve the precision of processing.

Optionally, the clamping groove department is equipped with places the inclined plane, place the inclined plane and encircle the clamping groove setting, place one side that the inclined plane is close to the clamping groove and be less than one side that keeps away from the clamping groove.

Through adopting above-mentioned technical scheme, when the centre gripping groove was put into to the machined part, the machined part can send into the centre gripping inslot along placing the inclined plane, reduces the condition that the machined part was placed inaccurately for the machined part is put into behind the centre gripping groove and is fixed a position more accurately, further improves machining precision.

Optionally, still be equipped with by motor drive's rolling disc on the stage body, the rolling disc rotates with the stage body to be connected, the grip block sets up on the rolling disc and sets up along rolling disc circumference interval, grip block and rolling disc fixed connection, the rolling disc is stretched out to one side that the grip block was equipped with the processing hole.

Through adopting above-mentioned technical scheme, a plurality of grip blocks on the rolling disc all can place the machined part, can send the grip block to pressfitting groove department through motor drive when processing, accomplish and rotate again after the processing and can roll out the grip block and can carry out reinforced, improve the degree of automation of process, improve the convenience and the efficiency of processing.

Optionally, the driving piece includes the drive cylinder, the drive cylinder sets up in the below of stage body, be equipped with the joint piece on the piston rod of drive cylinder, be equipped with the joint pole on the lower drift, joint piece and joint pole cooperation joint, joint pole and base sliding connection.

Through adopting above-mentioned technical scheme, when the piston rod of actuating cylinder moves, drive clamping pole upward movement promotes the lower drift and carries out the jacking to the machined part, because the lower drift of lower part mainly plays the effect of jacking the machined part, consequently directly drives through actuating cylinder, can provide bigger jacking power, and easily realizes.

Optionally, the clamping block is further provided with a limiting rod facing the table body, and the table body is provided with a limiting hole corresponding to the limiting rod.

Through adopting above-mentioned technical scheme, the gag lever post can insert in the spacing hole under the promotion of actuating cylinder to the restriction joint is quick motion position, reduces the condition of joint piece off tracking when promoting, improves the pressfitting precision.

In summary, the present application has at least the following beneficial effects:

1. this application has solved not only inefficiency when the manual work carries out riveting under the prior art, and the riveted quality is difficult to guarantee, and riveted precision is not high, just can't satisfy the problem of production demand when requiring high or requiring high to the product precision to product quantity, and this application pressfitting the machined part simultaneously through setting up upper punch and lower punch on the base, can improve machining efficiency through the manual processing of machinery replacement workman, and the pressfitting force is great when pressing simultaneously, and is better to the pressfitting effect of rivet, can improve machining precision

2. The application

Drawings

Fig. 1 is a perspective view of the present embodiment.

Fig. 2 is a perspective view of the present embodiment, mainly showing the connection structure of the driving cylinder.

Fig. 3 is a cross-sectional view of the base in this example.

Fig. 4 is a top view of the holding plate in this embodiment.

Fig. 5 is a bottom view of the holding plate in the present embodiment.

Reference numerals illustrate:

1. a table body; 11. a rotating shaft;

2. a base; 21. a pressing groove; 22. an upper punch; 23. a lower punch; 231. a clamping rod; 24. a sliding block; 241. a slide bar; 242. a mounting head; 243. a spring; 244. fitting the inclined plane; 25. a sliding groove; 26. a pushing block; 261. an inclined surface; 262. a relief groove; 27. a pushing groove;

3. a driving cylinder; 31. the clamping is fast; 311. a limit rod;

4. a pushing cylinder;

5. a rotating disc; 51. a clamping plate; 511. a clamping groove; 512. processing a hole; 513. and (5) placing an inclined plane.

Detailed Description

The present application is further described in detail below with reference to fig. 1-4 by way of specific examples.

The utility model provides a two-way pressfitting structure of rivet, as shown in fig. 1, including stage body 1, driving piece, be equipped with base 2 on the stage body 1, open at the middle part of base 2 has pressfitting groove 21, is equipped with upper punch 22 and lower punch 23 on the base 2, upper punch 22 and lower punch 23 all set up the position department at corresponding pressfitting groove 21, upper punch 22 and lower punch 23 all with base 2 sliding connection, upper punch 22 sets up the upper portion at base 2, lower punch 23 sets up the lower part at base 2, lower punch 23 corresponds the setting with upper punch 22 from top to bottom. In particular, the press-fit groove 21 provides a place for the work piece to rest on.

As shown in fig. 1 and 2, the driving member comprises a driving cylinder 3, the driving cylinder 3 is arranged below the table body 1, a clamping block is arranged on a piston rod of the driving cylinder 3, the clamping block is fixedly connected with the piston rod of the driving cylinder 3, a clamping rod 231 is arranged on one side, facing the driving cylinder 3, of the lower punch 23, the clamping rod 231 is fixedly connected with the lower punch 23, and the clamping block is matched and clamped with the clamping rod 231. The clamping block is also provided with a limiting rod 311 facing the table body 1, and the table body 1 is provided with a limiting hole corresponding to the limiting rod 311. In particular, the lower end of the clamping rod 231 is i-shaped, and the clamping connector is provided with a clamping groove corresponding to the clamping rod 231, so that the clamping rod 231 can be pushed to move upwards when the driving cylinder 3 is started, and the lower punch 23 is pushed to face.

As shown in fig. 2 and 3, a sliding block 24 is arranged on the base 2 corresponding to the pressing groove 21, the sliding block 24 is fixedly connected with the upper punch 22, a sliding groove 25 is formed on the base 2 corresponding to the sliding block 24, the sliding block 24 extends into the sliding groove 25 and is slidably connected with the base 2, the sliding block 24 can slide along the base 2 in the vertical direction, and the side walls of the sliding block 24 are all abutted with the side walls of the sliding groove 25. The upside of sliding block 24 is equipped with slide bar 241, slide bar 241 and sliding block 24 fixed connection, slide bar 241 and base 2 sliding connection just stretch out base 2, and the one end that slide bar 241 stretches out base 2 is equipped with installation head 242, installation head 242 and slide bar 241 fixed connection, and slide bar 241 department cover is equipped with spring 243, and one end and the installation head 242 fixed connection of spring 243, the other end and the base 2 fixed connection of spring 243, spring 243 have the trend that promotes the motion of installation head 242 keeping away from base 2. In practice, the spring 243 can continuously pull the sliding rod 241 upwards, and can pull the sliding block 24 upwards when machining is not needed, so as to assist the upper punch 22 to reset.

As shown in fig. 2 and 3, the driving member further includes a pushing cylinder 4, the pushing cylinder 4 is disposed on the upper portion of the base 2, the pushing cylinder 4 is fixedly connected with the base 2, a pushing block 26 is disposed on a piston rod of the pushing cylinder 4, the pushing block 26 is fixedly connected with the piston rod, a pushing groove 27 is formed in the base 2 corresponding to the pushing block 26, the pushing groove 27 is disposed along the length direction of the base 2, the pushing groove 27 is communicated with a sliding groove 25 provided with a sliding block 24, and the pushing block 26 is slidably connected with the base 2 by means of the pushing groove 27. The pushing block 26 is provided with a yielding groove 262 corresponding to the sliding rod 241, one side of the pushing block 26 close to the sliding block 24 is provided with an inclined surface 261, the inclined surface 261 inclines from one side far away from the sliding block 24 to one side close to the sliding block 24, one side far away from the sliding block 24 of the inclined surface 261 is lower than one side close to the sliding block 24, and the sliding block 24 is provided with a fitting inclined surface 244 corresponding to the inclined surface 261 on the pushing block 26. In specific implementation, the pushing cylinder 4 drives the pushing block 26 to move towards the sliding block 24, the pushing block 26 continuously stretches into the sliding groove 25, the sliding rod 241 is embedded into the yielding groove 262 in the pushing process, and due to the arrangement of the inclined surface 261 of the pushing block 26, the pushing block 26 can continuously push the sliding block 24 downwards to move towards the pressing groove 21, so that the upper punch 22 is pushed to press the workpieces.

As shown in fig. 1 and 4, the table body 1 is provided with a rotating disc 5, the table body 1 is provided with a rotating shaft 11, and the rotating disc 5 is rotatably connected with the table body 1 by the rotating shaft 11, and in the specific implementation, the rotating shaft 11 is driven by a motor. The rotating disc 5 is also provided with a plurality of clamping plates 51, the clamping plates 51 are arranged at intervals along the circumferential direction of the rotating disc 5, the clamping plates 51 are fixedly connected with the rotating disc 5, and the clamping plates 51 are provided with clamping grooves 511 corresponding to the shapes of the workpieces. The rotating disc 5 is arranged at a position corresponding to the pressing groove 21, one side of the clamping plate 51 provided with the clamping groove 511 extends out of the rotating disc 5, and when the rotating disc 5 sends the clamping plate 51 to the pressing groove 21 in the rotating process, the clamping plate 51 extends into the pressing groove 21 to wait for processing.

As shown in fig. 4 and 5, a machining hole 512 corresponding to the lower punch 23 is formed in the lower side of the holding plate 51, and the machining hole 512 communicates with the holding groove 511. The clamping groove 511 is provided with a placement inclined plane 513, the placement inclined plane 513 is arranged around the clamping groove 511, the placement inclined plane 513 is inclined towards the clamping groove 511, and one side of the placement inclined plane 513 away from the clamping groove 511 is higher than one side close to the clamping groove 511. In practice, the work piece can be fed into the clamping groove 511 along the placement bevel 513.

Working principle: the workpieces are placed on the clamping plates 51 of the rotating disc 5 one by one, the clamping plates 51 can be sent into the pressing groove 21 one by one through the rotating disc 5, when the clamping plates 51 are sent into the pressing groove 21, the upper punch 22 and the lower punch 23 are driven to press the workpieces simultaneously, and after the pressing is completed, the rotating disc 5 sends the clamping plates 51 out and into the next clamping plate 51, and processing is continued.

The foregoing is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. A two-way pressfitting structure of rivet, its characterized in that: including stage body (1), driving piece, be equipped with base (2) on stage body (1), it has pressfitting groove (21) that supplies the machined part to put into to open on base (2), be equipped with on base (2) by driving piece driven upper punch (22) and lower punch (23), upper punch (22) and lower punch (23) and base (2) sliding connection, upper punch (22) set up in the upper portion of base (2) and are used for towards the machined part motion, lower punch (23) set up in the lower part of base (2) and are used for towards the machined part motion.

2. The bi-directional pressing structure of rivets as recited in claim 1, wherein: the base (2) is provided with a sliding block (24), the sliding block (24) is fixedly connected with the upper punch (22), the sliding block (24) is in sliding connection with the base (2) and driven by a driving piece, the sliding block (24) slides up and down along the base (2), and the side wall of the sliding block (24) is in butt joint with the base (2).

3. A bi-directional rivet press as set forth in claim 2, wherein: the upper side of sliding block (24) is equipped with slide bar (241), slide bar (241) and base (2) sliding connection and stretch out base (2), the one end that slide bar (241) stretched out base (2) is equipped with installation head (242), slide bar (241) department is equipped with spring (243), spring (243) one end and installation head (242) fixed connection, the other end and base (2) fixed connection, spring (243) have the trend that promotes the motion of base (2) is kept away from to installation head (242).

4. A bi-directional rivet press as set forth in claim 3, wherein: the driving piece comprises a pushing cylinder (4), a pushing block (26) is arranged on a piston rod of the pushing cylinder (4), the pushing block (26) is in sliding connection with the base (2), the pushing block (26) slides along the length direction of the base (2), a stepping groove (262) corresponding to a sliding rod (241) is formed in the pushing block (26), an inclined surface (261) is arranged on one side, close to the sliding block (24), of the pushing block (26), the inclined surface (261) inclines from one side, far away from the sliding block (24), towards one side, close to the sliding block (24), of the inclined surface (261), one side, far away from the sliding block (24), is lower than one side, close to the sliding block (24), of the pushing block (26) is driven by the pushing cylinder (4) to move towards the sliding block (24), and the sliding block (24) is driven to slide downwards when the pushing block (26) moves towards the moving block.

5. The bi-directional rivet pressing structure as set forth in claim 4, wherein: the sliding block (24) is provided with a fitting inclined plane (244) corresponding to the upper inclined plane (261) of the pushing block (26).

6. The bi-directional pressing structure of rivets as recited in claim 1, wherein: the clamping plate (51) is used for clamping a workpiece, the clamping plate (51) is arranged at a position corresponding to the pressing groove (21), the clamping plate (51) is provided with a clamping groove (511) corresponding to the shape of the workpiece, and a machining hole (512) corresponding to the lower punch (23) is formed in the lower side of the clamping plate (51).

7. The bi-directional rivet pressing structure as set forth in claim 6, wherein: the clamping groove (511) is provided with a placement inclined plane (513), the placement inclined plane (513) is arranged around the clamping groove (511), and one side, close to the clamping groove (511), of the placement inclined plane (513) is lower than one side, far away from the clamping groove (511).

8. The bi-directional rivet pressing structure as set forth in claim 6, wherein: still be equipped with on the stage body (1) by motor drive's rolling disc (5), rolling disc (5) are connected with stage body (1) rotation, grip block (51) set up on rolling disc (5) and set up along rolling disc (5) circumference interval, grip block (51) and rolling disc (5) fixed connection, one side that grip block (51) are equipped with processing hole (512) stretches out rolling disc (5).

9. The bi-directional pressing structure of rivets as recited in claim 1, wherein: the driving piece comprises a driving air cylinder (3), the driving air cylinder (3) is arranged below the table body (1), a clamping block is arranged on a piston rod of the driving air cylinder (3), a clamping rod (231) is arranged on the lower punch (23), the clamping block is matched and clamped with the clamping rod (231), and the clamping rod (231) is in sliding connection with the base (2).

10. The bi-directional rivet pressing structure as set forth in claim 9, wherein: the clamping block is also provided with a limiting rod (311) facing the table body (1), and the table body (1) is provided with a limiting hole corresponding to the limiting rod (311).