CN216264385U

CN216264385U - Blank feeding device

Info

Publication number: CN216264385U
Application number: CN202122404202.0U
Authority: CN
Inventors: 林鸣亚; 何玉坚; 黄耿志; 冯锦豪; 何建文
Original assignee: Guangzhou Pearl River Kayserburg Piano Co Ltd
Current assignee: Guangzhou Pearl River Kayserburg Piano Co Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-04-12
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a blank feeding device, which comprises a placing rack and a feeding mechanism, wherein the placing rack is arranged on the feeding mechanism; the placing rack comprises a first bracket and a second bracket which are arranged side by side at intervals; the first bracket is provided with a plurality of first notches which are distributed at equal intervals; the second bracket is provided with a plurality of second notches which are distributed at equal intervals, and the first notches and the second notches are arranged in an enclosing manner to form an assembling groove; the feeding mechanism comprises a fixed frame, a first driver, a horizontal moving block, a second driver, a longitudinal moving block and a plurality of clamping finger cylinders; the fixed frame is arranged on one side of the placing frame; the first driver is arranged on the fixed frame and drives the horizontal moving block to move back and forth; the second driver is arranged on the horizontal moving block and connected with the longitudinal moving block; and the clamping finger cylinders are arranged on the longitudinal moving block and correspond to the assembling grooves in position so as to clamp the linkage rods in the corresponding assembling grooves. The position of the linkage rod can be gradually pushed through the reciprocating operation of the feeding mechanism, so that the linkage rod feeding device can be transferred on different stations.

Description

Blank feeding device

Technical Field

The utility model relates to the technical field of piano part processing equipment, in particular to a blank feeding device.

Background

The linkage rod is an important part in a piano action, and a spoon nail needs to be assembled on the linkage rod in the process of assembling the action. The existing assembly process adopts a manual knocking mode for assembly, firstly, a linkage rod is arranged on a table top, a spoon nail is arranged in a nail die through hands, and then the nail die is knocked by an iron hammer with proper force, so that the spoon nail is inserted into a mounting hole of the linkage rod. This mode of operation has the following disadvantages: 1. the labor intensity is high, and the wrist joint of an operator is easily damaged by long-time repeated actions; 2. when the seed spoon nail is knocked each time, instantaneous noise of a working position caused by metal impact is larger than 90 decibels, and hearing of an operator is negatively affected. In order to reduce the labor intensity of workers and reduce the damage, a mechanical linkage rod and spoon nail assembling device is needed to be designed so as to reduce the dependence on manpower. The linkage rod needs to be subjected to operations such as feeding, left-inclination pin inserting, right-inclination pin inserting, blanking and the like at different stations, so that the problem of station transfer of the linkage rod needs to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a blank feeding device.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a blank feeding device comprises a placing frame and a feeding mechanism;

the placing frame comprises a first bracket and a second bracket which are arranged side by side at intervals so as to reserve a moving space of the feeding mechanism; the first bracket is provided with a plurality of first notches which are distributed at equal intervals along the front-back direction and used for accommodating one end of the linkage rod; the second bracket is provided with a plurality of second notches which are distributed at equal intervals along the front-back direction and used for accommodating the other end of the linkage rod; each first notch and the adjacent second notch are encircled to form an assembling groove;

the feeding mechanism comprises a fixed frame, a first driver, a horizontal moving block, a second driver, a longitudinal moving block and a plurality of clamping finger cylinders; the fixed frame is arranged on one side of the placing frame; the horizontal moving block can be connected with the fixed frame in a front-back sliding manner; the first driver is arranged on the fixed frame and drives the horizontal moving block to move back and forth; the longitudinal moving block is arranged on one side of the horizontal moving block in a vertically sliding manner; the second driver is arranged on the horizontal moving block and connected with the longitudinal moving block; the clamping finger cylinders are installed on the longitudinal moving block and correspond to the assembling grooves in position so as to clamp the linkage rods in the assembling grooves.

Preferably, the fixing frame comprises a longitudinally extending plate and a transversely extending plate, the longitudinally extending plate is connected with the horizontal moving block, and the transversely extending plate is connected with the top end of the longitudinally extending plate and extends towards one side far away from the longitudinally moving block.

Preferably, the fixing frame further comprises a rib plate connecting the longitudinally extending plate and the transversely extending plate.

Preferably, the front end and the rear end of the longitudinally extending plate are provided with baffle plates which extend transversely towards one side of the vertical moving block.

As a preferable scheme, a plurality of transverse slide rails extending back and forth are mounted on the longitudinal extension plate, and a first slide seat matched with the transverse slide rails is arranged on one side, close to the longitudinal extension plate, of the horizontal moving block.

As a preferable scheme, a plurality of longitudinal slide rails are mounted on one side, close to the longitudinal moving block, of the horizontal moving block, and a second slide seat matched with the longitudinal slide rails is mounted on the longitudinal moving block.

As a preferred scheme, the second driver comprises an air cylinder mounting seat, a first air cylinder and a second air cylinder which are connected in sequence; the cylinder mounting seat is mounted on one side of the horizontal moving block; the first air cylinder is installed on the air cylinder installation seat and drives a second air cylinder to lift, and the second air cylinder drives the longitudinal moving block to lift.

As a preferable scheme, the placing frame is provided with 6 assembling grooves in total; the feeding mechanism comprises 5 clamping finger cylinders.

As a preferable scheme, the opening of the first notch and the opening of the second notch are both provided with inclined surfaces.

As a preferable scheme, the clamping finger cylinder is provided with a pair of clamping fingers, and one side of each clamping finger, which is close to the other clamping finger, is provided with an elastic cushion block for abutting against the linkage rod.

Compared with the prior art, the utility model has the following beneficial effects:

1. the position of the linkage rod can be gradually pushed through the reciprocating operation of the feeding mechanism, so that the transfer of the linkage rod feeding device on different stations is realized;

2. the blank feeding device can push a plurality of linkage rods at one time, so that the working efficiency is improved;

3. when the linkage rod is not carried, the clamping finger cylinder is positioned at the lower side of the placing rack, so that the operation of devices such as a feeding and discharging mechanism, a nailing mechanism and the like cannot be influenced;

4. the first bracket is provided with a plurality of first notches which are distributed at equal intervals along the front-back direction and used for accommodating one end of the linkage rod; the second bracket is provided with a plurality of second notches which are distributed at equal intervals along the front-back direction and used for accommodating the other end of the linkage rod; each first notch encloses to establish rather than adjacent second notch and forms an assembly groove and make the gangbar interlude expose, and during the transport, the interlude of clamp finger cylinder centre gripping gangbar, stability is high.

5. The back-and-forth movement distance of the horizontal moving block is only the distance between two adjacent groove positions, a linear cylinder with a long stroke is not needed, the cost can be saved, and the stability of the mechanism can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a perspective view of a blank feeding apparatus in the present invention;

fig. 2 is a front view of the blank feeding apparatus of the present invention;

FIG. 3 is a perspective view of a finger clamping cylinder of the present invention;

in the figure:

1. a fixed mount; 11. a longitudinally extending plate; 111. a transverse slide rail; 12. a laterally extending plate; 13. a rib plate; 14. a baffle plate; 2. A horizontal moving block; 21. a longitudinal slide rail; 22. a first slider; 3. a longitudinal moving block; 31. a second slide carriage; 4. a finger clamping cylinder; 41. clamping fingers; 411. an elastic cushion block; 5. placing a rack; 51. a first bracket; 511. a first notch; 52. a second bracket; 521. a second notch; 5211. an inclined surface; 6. a second driver; 61. a cylinder mounting seat; 62. a first cylinder; 63. A second cylinder; 7. a first driver; 100. a linkage rod.

Detailed Description

For a better understanding of the objects, structure, features, and functions of the utility model, reference should be made to the drawings and detailed description that follow. It should be noted that the features illustrated in the drawings are not necessarily drawn to scale. Moreover, the described embodiments are a few embodiments of the utility model, rather than all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "front", "rear", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Examples

As shown in fig. 1-2, the present embodiment provides a blank feeding device, which can be applied to a linkage rod and a spoon and nail assembling device to realize station transfer of the linkage rod. The blank feeding device comprises a placing frame 5 and a feeding mechanism. The placing rack 5 comprises a first bracket 51 and a second bracket 52, wherein the first bracket 51 and the second bracket 52 are arranged side by side at intervals to reserve a moving space of the feeding mechanism; the first bracket 51 is provided with a plurality of first notches 511 which are equidistantly distributed along the front-back direction and are used for accommodating one end of the linkage rod 100; the second bracket 52 is provided with a plurality of second notches 521 distributed at equal intervals along the front-rear direction for accommodating the other end of the linkage rod 100; each first notch 511 and the adjacent second notch 521 enclose an assembly groove for transversely placing the linkage rod, so that the insertion nail side of the linkage rod faces upwards, the middle section of the linkage rod is exposed, and the feeding mechanism is convenient to clamp. In addition, the opening of the first notch 511 and the opening of the second notch 521 are both provided with an inclined surface 5211 to guide the linkage rod to fall into the assembly slot correctly.

In this embodiment, the placing rack 5 is provided with 6 assembly grooves, the assembly grooves at the front end and the rear end can be respectively used as a loading position and a unloading position, the second assembly groove and the fifth assembly groove can be used as assembly positions, and a left-inclined spoon nail and a right-inclined spoon nail are respectively assembled corresponding to the two nailing machines; two in the middle are transition positions, and the transition positions are arranged to enable two assembly positions to reserve enough space, so that the assembling device can arrange the nailing device conveniently.

As shown in fig. 1-2, the feeding mechanism is installed at the lower side of the placing frame 5 for pushing the linkage rod of the placing frame 5 into one slot position one by one. Specifically, the feeding mechanism comprises a fixed frame 1, a first driver 7, a horizontal moving block 2, a second driver 6, a longitudinal moving block 3 and a plurality of finger clamping cylinders 4. The fixed frame 1 is arranged on one side of the placing frame 5 and is used for fixing the feeding mechanism on a workbench of the linkage rod and spoon nail assembling device; the horizontal moving block 2 is connected with the fixed frame 1 in a front-back sliding manner; the first driver is arranged on the fixed frame 1 and drives the horizontal moving block 2 to move back and forth, and in the embodiment, the first driver is a linear air cylinder. The longitudinal moving block 3 is installed on one side of the horizontal moving block 2 in a vertically sliding manner, and the second driver 6 is installed on the horizontal moving block 2 and drives the longitudinal moving block 3 to ascend and descend. In this embodiment, the second actuator 6 includes a cylinder mounting seat 61, a first cylinder 62, and a second cylinder 63 connected in sequence; the cylinder mounting seat 61 is mounted on one side of the horizontal moving block; a first cylinder 62 is mounted on the cylinder mount 61 and has a first piston rod protruding upward; the second cylinder 63 is installed at the upper end of the first piston rod and is provided with a second piston rod protruding upwards, and the second piston rod is connected with the longitudinal moving block 3 to drive the longitudinal moving block 3 to ascend and descend. And a plurality of clamping finger cylinders 4 are arranged on the longitudinal moving block 3 and correspond to the assembly grooves in position so as to clamp the linkage rods in the corresponding assembly grooves. The feeding mechanism is arranged at the lower side of the placing rack 5, so that the space is saved.

When the feeding mechanism works, the clamping finger cylinder 4 is firstly positioned at the starting point position, namely right below the corresponding assembling groove; then, the first cylinder 62 drives the longitudinal moving block 3 to ascend, so that the clamping finger cylinder 4 reaches a first height and moves to a corresponding slot position; then, the clamping finger cylinder 4 is started and clamps the linkage rod; then, the second cylinder 63 drives the longitudinal moving block 3 to ascend again, so that the clamping finger cylinder 4 ascends to a second height, and the clamping finger cylinder 4 drives the linkage rod to upwards separate from the assembling groove; then, the first driver drives the horizontal moving block to move forward by a slot position, so that the linkage rod is positioned above the previous assembly slot; then, the second cylinder 63 drives the longitudinal moving block 3 to descend, the finger clamping cylinder 4 descends to a first height, and the linkage rod enters a new assembly groove; the clamping finger cylinder 4 is loosened, and the linkage rod 100 is released; the first cylinder 62 drives the longitudinal moving block 3 to descend, the finger clamping cylinder 4 descends to the height of the starting point, and the finger clamping cylinder 4 is located below the assembling groove; and finally, the first driver drives the horizontal moving block to move backwards, and the finger clamping cylinder 4 returns to the starting position to prepare for transferring the next batch of linkage rods. The feeding mechanism reciprocates, so that a plurality of linkage rods can be pushed at one time, and the working efficiency is improved; meanwhile, the assembly grooves can limit the position of the linkage rod, the front face of the linkage rod faces upwards, nailing by a nailing device is facilitated, in addition, the forward and backward movement distance of the propelling mechanism is the distance between the two groove positions, a linear cylinder with a long stroke is not needed, the cost can be saved, and the stability can be improved.

In the present embodiment, the feeding mechanism is provided with 5 finger clamping cylinders 4, and in other embodiments, the number of the finger clamping cylinders 4 can be adjusted according to the actual number of the assembly slots. In addition, the second driver 6 can also be a double-stroke cylinder.

In this embodiment, the fixing frame 1 includes a longitudinally extending plate 11 and a transversely extending plate 12, the longitudinally extending plate 11 is connected to the horizontal moving block 2, and the transversely extending plate 12 is connected to the top end of the longitudinally extending plate 11 and extends to a side away from the longitudinally moving block 3. The fixing frame 1 further comprises a plurality of ribs 13, and the plurality of ribs 13 are arranged at intervals and connected between the longitudinal extension plate 11 and the transverse extension plate 12 to increase the stability of the fixing frame 1. Further, a front side end of the longitudinally extending plate 11 is mounted with a baffle plate 14 extending laterally toward the side of the vertical moving block to define the front-rear position of the horizontal moving block.

In this embodiment, the longitudinally extending plate 11 is provided with a plurality of transverse sliding rails 111 extending back and forth, and one side of the horizontal moving block 2 close to the longitudinally extending plate 11 is provided with a first sliding seat 22 matching with the transverse sliding rails 111. A plurality of longitudinal slide rails 21 are arranged on one side of the horizontal moving block 2 close to the longitudinal moving block 3, and a second slide 31 matched with the longitudinal slide rails 21 is arranged on the longitudinal moving block 3. The stability of the movement of the feeding mechanism can be enhanced in a mode of matching the sliding rail with the sliding seat.

As shown in fig. 3, the clamping finger cylinder 4 has a pair of clamping fingers 41, an elastic cushion block 411 for abutting against the linkage rod is installed on the inner side of the clamping fingers 41, and the elastic cushion block 411 is arranged to reduce the abrasion to the linkage rod and ensure the product quality.

As shown in fig. 1-3, the working principle of the blank feeding device is as follows:

1. the blank feeding device is arranged in the linkage rod and the spoon and nail assembling mechanism;

2. the feeding linkage rod 100 of the feeding mechanism is connected to a first assembling groove of the placing rack 5;

3. the feeding mechanism is started, the linkage rod is fed forward by one slot position each time, and when the linkage rod reaches a corresponding assembly position, the corresponding nailing device is started to drive the spoon nails into the linkage rod 100;

4. after the linkage rod 100 moves to the last assembly slot, the blanking mechanism transfers the linkage rod 100.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A blank feeding device is characterized by comprising a placing frame and a feeding mechanism;

the placing frame comprises a first bracket and a second bracket, and the first bracket and the second bracket are arranged side by side at intervals; the first bracket is provided with a plurality of first notches which are distributed at equal intervals along the front-back direction and used for accommodating one end of the linkage rod; the second bracket is provided with a plurality of second notches which are distributed at equal intervals along the front-back direction and used for accommodating the other end of the linkage rod; each first notch and the adjacent second notch are encircled to form an assembling groove;

2. A billet feeding apparatus according to claim 1, wherein the fixing frame comprises a longitudinally extending plate and a transversely extending plate, the longitudinally extending plate is connected with the horizontal moving block, and the transversely extending plate is connected with the top end of the longitudinally extending plate and extends to a side far away from the longitudinally moving block.

3. A blank feeding apparatus according to claim 2, wherein said holder further comprises a rib connecting said longitudinally extending plate and said transversely extending plate.

4. A blank feeding device according to claim 2, wherein a plurality of transverse slide rails extending back and forth are mounted on the longitudinally extending plate, and a first slide seat matching with the transverse slide rails is arranged on one side of the horizontally moving block close to the longitudinally extending plate.

5. A billet feeding device according to claim 2, wherein a plurality of longitudinal slide rails are mounted on one side of the horizontal moving block close to the longitudinal moving block, and the longitudinal moving block is provided with a second slide seat matched with the longitudinal slide rails.

6. A blank feeding device according to claim 1, wherein the second driver comprises a cylinder mounting seat, a first cylinder and a second cylinder which are connected in sequence; the cylinder mounting seat is mounted on one side of the horizontal moving block; the first air cylinder is installed on the air cylinder installation seat and drives a second air cylinder to lift, and the second air cylinder drives the longitudinal moving block to lift.

7. A blank feeding device according to claim 6, wherein said placing frame is provided with 6 said fitting grooves in total; the feeding mechanism is provided with 5 clamping finger cylinders.

8. A blank feeding apparatus according to claim 1, wherein an inclined surface is provided at each of an opening of said first notch and an opening of said second notch.

9. A blank feeding apparatus according to claim 1, wherein each of said finger cylinders has a pair of fingers, and a resilient pad is mounted on a side of each of said fingers adjacent the other of said fingers for abutting against the link.