CN220426720U - Feeding mechanism of snake bone riveting equipment - Google Patents

Abstract

The feeding mechanism of the snake bone riveting equipment comprises a feeding rod and a sucking and blowing device, wherein the movable end of the feeding rod movably stretches into or withdraws from the inside of a snake bone structure formed by butting all snake bone joints into a whole in advance, two rivet grooves which are arranged in opposite directions are arranged at the end part of the movable end of the feeding rod, and the axes of the two rivet grooves and the axes of any two groups of riveting holes on the left side and the right side of the snake bone structure are on the same horizontal plane; the rivet groove is communicated with the negative pressure device of the sucking and blowing device, negative pressure is provided by the negative pressure device to enable the rivet groove to adsorb rivets, blowing output is provided by the blowing device to enable the rivet groove to spray out the rivets, and the rivet rod portion is arranged to the riveting hole towards the outer side of the snake bone structure. The feeding rod is provided with two rivet grooves, rivets can be automatically adsorbed, and the rivets are blown out after the rivets extend into the snake bone structure, so that riveting assembly of the snake bone structure with small size can be automatically and efficiently realized, manual operation is reduced, and production efficiency is improved.

Description

Feeding mechanism of snake bone riveting equipment

Technical Field

The utility model relates to the technical field of endoscopes, in particular to a feeding mechanism of a snake bone riveting device.

Background

The endoscope can extend into the interior of the target object and bend in multiple angles and multiple directions so as to observe the condition of the interior of the target object in all directions. From the application point of view, it can be classified into an industrial endoscope and a medical endoscope.

As shown in fig. 1, the moving body of the endoscope is a snake bone structure 10, and is mainly formed by sequentially riveting a front snake bone segment 101, a plurality of middle snake bone segments 102 and a rear snake bone segment 103 through rivets, namely two mutually overlapped connecting lugs 104 are respectively arranged on two sides between adjacent snake bone segments 20, riveting holes 202 are arranged on the connecting lugs 104 in a counterpoint manner, two riveting holes 202 on the same side are a group, and the same rivet is riveted in one group of riveting holes 202, so that the relative rotation connection of each snake bone segment 20 is realized. The existing snake bone assembling mode is generally manual assembling, each snake bone joint 20 of the snake bone needs to be butted two by two in advance, the riveting holes 202 are aligned, rivets are held, the rivets extend into the snake bone holes of the butted parts and then are filled into the riveting holes 202, then riveting is carried out, and after the next snake bone joint 20 is installed after riveting, the previous step is repeated. Because the snake bone part is smaller, the rivet size is also very small, the riveting holes 202 of each part are difficult to align accurately by naked eyes, the rivets are difficult to penetrate into the riveting holes 202 in an accurate alignment manner, the rivets are easy to fall off in the process after being placed, and the assembly process has the advantages of high reworking rate, low production efficiency and high labor cost.

Disclosure of Invention

The utility model aims to provide a feeding mechanism of snake bone riveting equipment, which can solve the technical problem of high difficulty in manual assembly in the assembly process and has the advantage of improving the assembly efficiency.

In order to achieve the above object, the solution of the present utility model is:

the feeding mechanism of the snake bone riveting equipment comprises a feeding rod and a sucking and blowing device, wherein the movable end of the feeding rod movably stretches into or withdraws from the inside of a snake bone structure formed by butting all snake bone joints into a whole in advance, two rivet grooves which are arranged in opposite directions are arranged at the end part of the movable end of the feeding rod, and the axes of the two rivet grooves and the axes of any two groups of riveting holes on the left side and the right side of the snake bone structure are on the same horizontal plane; the rivet groove is communicated with the negative pressure device of the sucking and blowing device, negative pressure is provided by the negative pressure device to enable the rivet groove to adsorb rivets, blowing output is provided by the blowing device to enable the rivet groove to spray out the rivets, and the rivet rod part is arranged on each group of riveting holes towards the outer side of the snake bone structure.

Further, two protrusions which are arranged in a back-to-back mode and protrude radially are arranged at the movable end of the feeding rod, and the protrusions are respectively provided with the rivet grooves in a concave mode.

Further, the fixed end of the feeding rod far away from the movable end is provided with an air suction hole and an air outlet hole, and an air cavity is arranged in the rod body of the feeding rod to be communicated with the air suction hole, the air outlet hole and the two rivet grooves at the two ends; the negative pressure device is communicated with the air suction hole through a communicating pipe, and the air blowing device is communicated with the air outlet hole through a communicating pipe.

Further, the length of the rod body of the feeding rod extending into the inside of the snake bone structure is not less than half of the distance between the two riveting holes which are furthest in the axial direction inside the snake bone structure.

Further, the feeding mechanism further comprises a feeding rod driving device; the feeding rod driving device comprises a feeding bracket and a feeding linear module, wherein the bottom of the feeding bracket is connected with a sliding block of the feeding linear module, and one end of the feeding rod, which is far away from the snake bone structure, is fixed at the top of the feeding bracket; the feeding linear module and the snake bone structure are axially arranged in the same direction.

Further, the feeding mechanism further comprises a blanking device; the blanking device comprises two blanking guide posts which are arranged in a bilateral symmetry mode, a blanking groove is formed in the blanking guide posts, a feeding hole is formed in the top of the blanking groove, a discharging hole is formed in the bottom of the blanking groove, the discharging holes of the left blanking guide post and the right blanking guide post are opposite and are formed in two sides of the feeding rod, a plurality of rivets which are stacked up and down in sequence are contained in the blanking groove, the heads of the rivets face the outer side of the discharging hole, and the axes of the discharging hole and the axes of the rivet groove are located on the same horizontal plane.

Further, the blanking device further comprises a connecting bracket and a blanking vertical linear module; one end of the connecting bracket is fixedly connected with two blanking guide posts, and the other end is fixedly connected with a sliding block of the blanking vertical linear module; the blanking vertical linear module is used for controlling the two blanking guide posts to move up and down.

Further, the blanking device further comprises a blanking bracket and a blanking horizontal linear module; the blanking vertical linear module is fixed on the top of the blanking support, the bottom of the blanking support is connected to the sliding block of the blanking horizontal linear module, and the blanking horizontal linear module and the snake bone structure are coaxially arranged.

Further, the tail end of the end part of the movable end of the feeding rod is also provided with two abutting parts which are arranged oppositely, and the two abutting parts are positioned at the outer sides of the two rivet grooves; the propping parts are respectively used for aligning and closing the rivet heads arranged in the riveting holes at the two sides, and limiting the inward movement of the rivet heads.

After the technical scheme is adopted, the feeding rod is provided with two rivet grooves, rivets can be automatically adsorbed, the rivets are blown out after the rivets extend into the snake bone structure and are installed in each group of riveting holes, so that riveting assembly of the snake bone structure with small size is automatically and efficiently realized, manual operation is reduced, and production efficiency is improved.

Drawings

FIG. 1 is a schematic illustration of a snake bone structure;

fig. 2 is a perspective view of a feeding mechanism of embodiment 1 of the present utility model;

FIG. 3 is a perspective view of the feed bar of example 1 of the present utility model;

fig. 4 is a perspective view showing a part of the structure of the blanking apparatus of embodiment 1 of the present utility model;

FIG. 5 is a cross-sectional view of example 1 of the present utility model;

FIG. 6 is a perspective view of the ejector pin of example 2 of the present utility model;

fig. 7 is a cross-sectional view of embodiment 2 of the present utility model.

Symbol description:

the snake bone structure 10, the front snake bone joint 101, the middle snake bone joint 102, the rear snake bone joint 103, the front snake bone hole 104, the rear snake bone hole 105, the snake bone joint 20, the connecting lug 201 and the riveting hole 202;

the feeding mechanism 4, the feeding rod 41, the convex part 411, the rivet groove 412, the air suction hole 413, the air outlet hole 414, the air cavity 415, the feeding rod driving device 42, the feeding bracket 421, the feeding linear module 422, the discharging device 43, the discharging guide post 431, the discharging groove 4311, the feeding inlet 4312, the discharging hole 4313, the connecting bracket 432, the discharging bracket 433, the discharging vertical linear module 434 and the discharging horizontal linear module 435;

a butt portion 511;

rivet 7, head 71, stem 72.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

In the description of the embodiments of the present application, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in place when the product of the application is used, or the orientation or positional relationship conventionally understood by those skilled in the art, is merely for convenience of describing the present application and simplifying the description, and is not indicative or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Example 1

As shown in fig. 2 to 5, a feeding mechanism of a snake bone riveting device according to the utility model comprises a feeding rod 41, a feeding rod driving device 42, a sucking and blowing device (not shown) and a blanking device 43.

The feeding rod 41 is coaxially arranged at the front end of the snake bone structure 10 which is pre-butted with each snake bone segment 20, the snake bone structure 10 can be fixed on a fixing mechanism (not shown) so as to keep the same axial direction with the feeding rod 41, and the feeding rod 41 can be driven by the feeding rod driving device 42 to extend into the inside of the snake bone structure 10 from the snake bone hole 104 at the front end; the feeding rod 41 is provided with two opposite convex parts 411 which are arranged close to the movable end of the rear end of the snake bone structure 10 and radially protrude, radial rivet grooves 412 are concavely arranged on the convex parts 411, the axes of the two rivet grooves 412 are right opposite to the axes of the two groups of rivet holes 202 on two sides of the snake bone structure 10, the front end fixed end of the other end of the feeding rod 41 is provided with an air suction hole 413 and an air outlet hole 414, and the inside of the rod body of the feeding rod 41 is provided with an air cavity 415 to be communicated with the air suction hole 413, the air outlet hole 414 and the two rivet grooves 412 on two ends.

The suction and blowing device comprises a negative pressure device, a blowing device and a plurality of communicating pipes, wherein the negative pressure device can be a vacuumizing device, the blowing device can be an air cylinder, the negative pressure device is communicated with the suction holes 413 through the communicating pipes so as to communicate with the two rivet grooves 412 to provide negative pressure output, and the blowing device is communicated with the air outlet holes 414 through the communicating pipes so as to communicate with the two rivet grooves 412 to provide blowing output. Therefore, the head of the rivet 7 can be absorbed in the two rivet grooves 412 inwards by utilizing the negative pressure output by the air suction holes 413, then the feeding rod 41 is driven to extend into the snake bone structure 10, and the rod parts 72 of the rivets 7 of the two rivet grooves 412 are respectively positioned and aligned with the riveting holes 202 on the left side and the right side of two adjacent snake bone sections 20 of the snake bone structure 10; then the output of the negative pressure device is closed, and the two rivets 7 are blown out by the air outlet holes 414 and respectively sleeved in the riveting holes 202, so that the riveting mechanism (not shown) can conveniently carry out riveting operation on the rivets 7.

The length of the rod body of the feeding rod 41 extending into the inside of the snake bone structure 10 is not less than the distance between the two riveting holes 202 farthest in the axial direction inside the snake bone structure 10, or the length of the rod body is not less than half of the distance between the two riveting holes 202 farthest in the axial direction inside the snake bone structure 10, so that the two feeding rods 41 can be arranged and respectively extend into the two ends of the snake bone structure 10 for assembly.

The feeding rod driving device 42 comprises a feeding support 421 and a feeding linear module 422, the bottom of the feeding support 421 is connected to the sliding block of the feeding linear module 422, one end of the feeding rod 41, far away from the snake bone structure 10, is fixed to the top of the feeding support 421, and the feeding linear module 422 is arranged on one side of the snake bone structure 10 and is coaxially arranged with the snake bone structure 10, so that the feeding rod 41 is driven to extend into or withdraw from the inside of the snake bone structure 10, and two rivet grooves 412 are positioned at the riveting holes 202 between the snake bone segments 20.

The blowing and sucking device can be fixed on the feeding bracket 421 or independently arranged.

As shown in fig. 2 and 4, the blanking device 43 is provided for facilitating the automatic suction of the rivet 7 by the feed lever 41. The blanking device 43 comprises two blanking guide posts 431 which are symmetrically arranged left and right, a blanking groove 4311 is arranged in the blanking guide posts 431, a feeding hole 4312 is formed in the top of the blanking groove 4311, a discharging hole 4313 is formed in the bottom of the blanking groove 4311, the discharging holes 4313 of the two blanking guide posts 431 are oppositely arranged at two sides of the feeding rod 41, a plurality of rivets 7 which are stacked up and down in sequence are contained in the blanking groove 4311, the heads 71 of the rivets 7 face to the outer side of the discharging hole 4313, the axle center of the discharging hole 4313 and the axle center of the rivet groove 412 are positioned on the same horizontal plane, and the two blanking guide posts 431 can be arranged at the outer sides of the end parts of the snake bone structure 10; therefore, before the feeding rod 41 extends into the snake bone structure 10, the rivet 7 at the two discharge holes 4313 is sucked and absorbed into the rivet groove 412 by the suction hole 413 through the two discharge holes 4313 of the two discharging guide posts 431, and the rivet 7 in the discharging groove 4311 automatically descends and supplements to the discharge holes 4313, so that the rivet 7 can be sucked out next time. The two blanking guide posts 431 are disposed outside the end portion, so that the distance of outward movement of the feeding rod 41 can be reduced, and the material sucking efficiency can be improved.

The blanking device 43 may be provided with a connecting bracket 432, a blanking bracket 433, a blanking vertical linear module 434 and a blanking horizontal linear module 435, one end of the connecting bracket 432 is fixedly connected with two blanking guide posts 431, the other end is fixedly connected with a slider of the blanking vertical linear module 434, so as to control the two blanking guide posts 431 to move up and down, that is, the two blanking guide posts 431 can be controlled to synchronously rise to give way to the snake bone structure 10, the blanking vertical linear module 434 is fixed on the top of the blanking bracket 433, the bottom of the blanking bracket 433 is connected to the slider of the blanking horizontal linear module 435, the blanking horizontal linear module 435 can be coaxially arranged with the snake bone structure 10, so as to control the horizontal distance between the two blanking guide posts 431 and the snake bone structure 10, and the position of the blanking guide posts 431 can be controlled and adjusted according to the lengths of different snake bone structures 10.

The working principle of the utility model is as follows:

1. the snake bone segments 20 of the snake bone structure 10 are butted into a whole in advance and fixed on the fixing mechanism 3

2. The two discharging guide posts 431 are driven by the discharging vertical linear module 434 and the discharging horizontal linear module 435 to be close to the front end of the snake bone structure 10, and the two discharging holes 4313 are close to the front side of the snake bone hole 104 at the front end of the snake bone structure 10.

3. The feeding rod 41 is driven by the feeding rod driving device 42 to adsorb and fix the two rivets 7 near the discharge hole 4313 before extending into the front-end snake bone hole 104, then continuously moving to extend into the snake bone structure 10 from the front-end snake bone hole 104 to align one group of riveting holes 202 with the two rivet grooves 412, and then blowing out the rivets 7 to be installed in the riveting holes 202 at two sides. Specifically, the rivet 7 can be firstly moved to two groups of riveting holes 202 at the rear end of the snake bone structure 10, the rivet 7 is respectively blown out of the riveting holes 202 at two sides of the snake bone structure 10, then the rivet 7 is withdrawn from the inside of the snake bone structure 10, the rivet 7 is re-adsorbed from a discharge hole 4313, and then the rivets 7 of the riveting holes 202 are sequentially installed along the snake bone structure 10 from back to front.

In summary, the feeding rod 41 of the present embodiment has two rivet slots 412 to automatically adsorb the rivets 7, and blow out the rivets 7 after extending into the snake bone structure 10 to be installed in the riveting holes 202, so as to automatically and accurately complete the assembly of the rivets 7; with this automatic efficient realization small-size snake bone structure 10's rivet assembly, reduce manual operation, improve production efficiency.

Example 2

As shown in fig. 5 and 6, the structure of this embodiment is basically the same as that of embodiment 1, and the main difference is that the end of the movable end of the feeding rod 41 of this embodiment is further formed with two opposite radially protruding abutting portions 511, the abutting portions 511 are respectively aligned with the heads 71 of the rivets 7 mounted in the riveting holes 202 on both sides for limiting the withdrawal of the heads 71 of the rivets 7 from the riveting holes 202, and the two abutting portions 511 are respectively correspondingly located at the rear sides of the two protruding portions 411, so that the abutting portions 511 move along with the feeding rod 41 in the same manner as the inside of the snake bone structure 10.

Thus, after the two rivets 7 are blown out from the feeding rod 41 and installed in the riveting holes 202, the rivet groove 412 of the feeding rod 41 is displaced forward to withdraw from the inside of the serpentine structure 10, so that the two abutting portions 511 are oppositely located at the heads 71 of the two rivets 7, and at this time, the two rivets 7 can be riveted in an aligned manner by matching with the two riveting presses 61 arranged at the outer side of the serpentine structure 10, thereby realizing the operation of automatically assembling the rivets 7 and punching the rivets 7.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that equivalent changes and modifications can be made by those skilled in the art without departing from the principles of the present utility model, which still falls within the scope of the present utility model.

Claims (9)

1. Feeding mechanism of snake bone riveting equipment, its characterized in that:

the feeding rod and the sucking and blowing device are included, the movable end of the feeding rod movably stretches into or withdraws from the inside of the snake bone structure formed by the butt joint of each snake bone section in advance, two rivet grooves which are arranged in opposite directions are arranged at the end part of the movable end of the feeding rod, and the axes of the two rivet grooves and the axes of any two groups of riveting holes on the left side and the right side of the snake bone structure are on the same horizontal plane; the rivet groove is communicated with the negative pressure device of the sucking and blowing device, negative pressure is provided by the negative pressure device to enable the rivet groove to adsorb rivets, blowing output is provided by the blowing device to enable the rivet groove to spray out the rivets, and the rivet rod part is arranged on each group of riveting holes towards the outer side of the snake bone structure.

2. A feeding mechanism for a snake bone riveting device according to claim 1, wherein: the movable end of the feed rod is provided with two convex parts which are arranged in opposite directions and radially protrude, and the convex parts are respectively concavely provided with a radial rivet groove.

3. A feeding mechanism for a snake bone riveting device according to claim 1, wherein: the fixed end of the feeding rod, which is far away from the movable end, is provided with an air suction hole and an air outlet hole, and the inside of the rod body of the feeding rod is provided with an air cavity for communicating the air suction hole, the air outlet hole and the two rivet grooves at the two ends; the negative pressure device is communicated with the air suction hole through a communicating pipe, and the air blowing device is communicated with the air outlet hole through a communicating pipe.

4. A feeding mechanism for a snake bone riveting device according to claim 1, wherein: the length of the rod body of the feeding rod extending into the inside of the snake bone structure is not less than half of the distance between the two axially farthest riveting holes in the inside of the snake bone structure.

5. A feeding mechanism for a snake bone riveting device according to claim 1, wherein: the feeding mechanism further comprises a feeding rod driving device; the feeding rod driving device comprises a feeding bracket and a feeding linear module, wherein the bottom of the feeding bracket is connected with a sliding block of the feeding linear module, and one end of the feeding rod, which is far away from the snake bone structure, is fixed at the top of the feeding bracket; the feeding linear module and the snake bone structure are axially arranged in the same direction.

6. A feeding mechanism for a snake bone riveting device according to claim 1, wherein: the feeding mechanism further comprises a discharging device; the blanking device comprises two blanking guide posts which are arranged in a bilateral symmetry mode, a blanking groove is formed in the blanking guide posts, a feeding hole is formed in the top of the blanking groove, a discharging hole is formed in the bottom of the blanking groove, the discharging holes of the left blanking guide post and the right blanking guide post are opposite and are formed in two sides of the feeding rod, a plurality of rivets which are stacked up and down in sequence are contained in the blanking groove, the heads of the rivets face the outer side of the discharging hole, and the axes of the discharging hole and the axes of the rivet groove are located on the same horizontal plane.

7. The feeding mechanism of a snake bone riveting device according to claim 6, wherein: the blanking device further comprises a connecting bracket and a blanking vertical linear module; one end of the connecting bracket is fixedly connected with two blanking guide posts, and the other end is fixedly connected with a sliding block of the blanking vertical linear module; the blanking vertical linear module is used for controlling the two blanking guide posts to move up and down.

8. The feed mechanism of a snake bone riveting device according to claim 7, wherein: the blanking device further comprises a blanking bracket and a blanking horizontal linear module; the blanking vertical linear module is fixed on the top of the blanking support, the bottom of the blanking support is connected to the sliding block of the blanking horizontal linear module, and the blanking horizontal linear module and the snake bone structure are coaxially arranged.

9. A feeding mechanism for a snake bone riveting device according to claim 1, wherein: the tail end of the end part of the movable end of the feeding rod is also provided with two abutting parts which are arranged in opposite directions, and the two abutting parts are positioned at the outer sides of the two rivet grooves; the propping parts are respectively used for aligning and closing the rivet heads arranged in the riveting holes at the two sides, and limiting the inward movement of the rivet heads.