阅读说明：本技术 一种工件自动分层放置料架 (Automatic work piece layering placing rack ) 是由 徐永康 沈加全 于 2020-04-26 设计创作，主要内容包括：本发明属于汽车技术领域,具体提供一种工件自动分层放置料架,包括基架和至少一组两个联动定位机构；所述联动定位机构包括至少两个沿竖向方向间隔设置的定位件,任意相邻的两个定位件中的处于上方的所述定位件的面向下方的所述定位件的端面上设有联动件；联动定位机构具有所有定位件不联动且上方的定位件处于基柱内、下方的定位件部分伸出基柱外的空载状态,和最下方的定位件受待定位工件重力作用下压转动至放平位置的伸出基柱外侧的承载状态且上方的定位件通过联动件与最下方的定位件产生联动转动至部分伸出基柱外的开启状态。通过待定位工件重力作用使得联动定位机构的各定位件产生联动,实现上下依次分层放置工件,结构简单,联动性强。(The invention belongs to the technical field of automobiles, and particularly provides an automatic workpiece layered material placing rack which comprises a base frame and at least one group of two linked positioning mechanisms; the linkage positioning mechanism comprises at least two positioning pieces which are arranged at intervals along the vertical direction, and a linkage piece is arranged on the end surface of the positioning piece facing downwards of the positioning piece positioned above any two adjacent positioning pieces; the linkage positioning mechanism is provided with an idle state that all positioning parts are not linked and the upper positioning parts are positioned in the base column and the lower positioning parts partially extend out of the base column, and a bearing state that the lowest positioning part is pressed to rotate to the flat position under the action of the gravity of a workpiece to be positioned and extends out of the base column, and an opening state that the upper positioning part and the lowest positioning part are linked to rotate to partially extend out of the base column through a linkage part. The positioning pieces of the linkage positioning mechanism are linked under the action of gravity of the workpiece to be positioned, so that the workpieces are sequentially placed in layers from top to bottom, and the linkage mechanism is simple in structure and high in linkage.)

1. The utility model provides an automatic work piece layering work or material rest of placing which characterized in that includes:

the pedestal (10) comprises a base (11) and a plurality of foundation columns (12) vertically fixed on the base (11);

the linkage positioning assembly comprises at least one group of linkage positioning assemblies, each group of linkage positioning assemblies comprises two linkage positioning mechanisms (20) which are oppositely arranged in the base column (12) on two opposite sides of the base (11), the linkage positioning mechanisms (20) are rotatably arranged on the base column (12) in an extensible and retractable manner, and a positioning space for supporting and positioning a workpiece (40) to be positioned is defined between the two linkage positioning mechanisms (20);

the linkage positioning mechanism (20) comprises at least two positioning pieces which are arranged at intervals along the vertical direction, and linkage pieces (23) are arranged on the mutually facing end surfaces of any two adjacent positioning pieces;

the linkage positioning mechanism (20) is provided with all the positioning pieces which are not linked and are arranged above the positioning pieces, the positioning pieces are positioned in the base column (12) and at the lowest part of the positioning pieces extend out of the base column (12) in a no-load state, and the positioning pieces at the lowest part of the positioning pieces are pressed and rotated to extend out of the flat position under the action of gravity of a workpiece (40) to be positioned, the bearing state outside the base column (12) and the upper part of the positioning pieces are in linkage rotation to partially extend out of the base column (12) in an opening state through the linkage pieces (23) and the lowest positioning pieces.

2. The automatic workpiece layering and placing rack according to claim 1, wherein the linkage positioning mechanism (20) comprises:

a first positioning element (21) which partially protrudes outside the base column in the unloaded state and is arranged at the bottom of the corresponding base column (12);

at least one second positioning element (22) which is located in the base pillar in the unloaded state and is arranged above the first positioning element (21);

the included angle formed by the second positioning piece (22) and the flat position of the second positioning piece is larger than the included angle formed by the first positioning piece (21) and the flat position of the first positioning piece in the no-load state;

the linkage piece (23) is arranged on the end face of one side, facing the first positioning piece (21), of the second positioning piece (22), the linkage piece (23) can abut against the upper surface of the first positioning piece (21) to generate linkage in the process that the first positioning piece (21) is pressed down under the action of gravity of a workpiece (40) to be positioned, and the second positioning piece (22) rotates towards the direction of the flat position in a linkage mode to an opening state that a part of the second positioning piece extends out of the base column (12) and forms an included angle with the flat position;

in the open state, the second positioning part (22) can be pressed down to be switched to a bearing state under the action of the gravity of the workpiece (40) to be positioned.

3. The automatic workpiece layering and placing rack according to claim 2, wherein the second positioning members (22) comprise at least two, and at least two second positioning members (22) are arranged in a staggered manner in the vertical direction;

in the at least two second positioning parts (22), the linkage parts (23) are arranged on the mutually facing end surfaces of any two adjacent second positioning parts (22), and the at least two second positioning parts (22) can also be linked through the corresponding linkage parts (23);

when the at least two second positioning pieces (22) are in an opening state, the included angle formed by the two second positioning pieces and the respective flat position is gradually increased from bottom to top.

4. The automatic workpiece layering and placing rack according to claim 2, wherein the linkage positioning mechanism (20) further comprises:

a first limiting member (25) arranged below the first positioning member (21) and used for limiting the rotation of the first positioning member (21) when the first positioning member (21) is in an unloaded state;

a plurality of second limiting parts (26) which are arranged above the first limiting parts (25), correspond to all the positioning parts one by one and can limit the corresponding positioning parts when the corresponding positioning parts are in a bearing state of a flat position;

the first limiting part (25) and the second limiting part (26) are not collinear in the vertical direction.

5. The automatic workpiece layering and placing rack according to claim 2, wherein the first positioning element (21) and the second positioning element (22) are rotatably arranged on the base column (12) through a rotating shaft (24); and the first positioning piece (21) and the second positioning piece (22) are both plates with the gravity centers eccentric to the rotation center defined by the rotating shaft (24).

6. The automatic workpiece layering and placing rack according to claim 2, wherein the upper surfaces of the first positioning piece (21) and the second positioning piece (22) are respectively provided with a limiting block (27) which protrudes upwards and limits the transverse movement of a workpiece (40) to be positioned placed on the limiting blocks; and/or

The linkage positioning mechanism (20) comprises at least two groups, and the at least two groups are distributed on the periphery of the base (11).

7. The automatic workpiece layering and placing rack according to claim 1, further comprising:

the linkage pressing mechanism (30) comprises at least three rotating rods (31) which are arranged on the base (11) in a linkage and rotation mode, a connecting rod group (32) which is connected with all the rotating rods (31) in a linkage mode, and a locking mechanism (33) which is arranged on one of the rotating rods (31) and used for locking and limiting the rotation of all the rotating rods (31) or unlocking and releasing the rotation of all the rotating rods (31);

a plurality of pressing pieces (310) which are arranged at intervals along the axial direction of the rotating rod (31) are arranged on any one rotating rod (31), and at least three rotating rods (31) are distributed on the periphery of the positioning space;

the linkage pressing mechanism (30) is provided with a pressing state that all the pressing sheets (310) are pressed on the upper surface of the workpiece (40) to be positioned respectively and correspondingly when the linkage positioning mechanism (20) is in a bearing state, and a loosening state that all the pressing sheets (310) are driven to rotate by a preset angle to avoid the upper surface of the workpiece (40) to be positioned respectively and correspondingly.

8. The automatic workpiece layering and placing rack according to claim 7, wherein the linkage (32) comprises:

a first connecting rod (321) with two ends respectively hinged with the fourth connecting rods (324) on two of the rotating rods (31);

a second connecting rod (322) with the middle part rotatably connected with the base (11) and one end slidably connected with the middle part of the first connecting rod (321);

a third connecting rod (323) with two ends respectively hinged with the second connecting rod (322) and a fourth connecting rod (324) on the other rotating rod (31);

the first connecting rod (321), the second connecting rod (322), the third connecting rod (323) and the fourth connecting rod (324) are arranged at preset included angles;

one end, hinged to the first connecting rod (321), of the second connecting rod (322) is provided with a strip-shaped sliding groove (325) extending along the length direction of the second connecting rod (322), and the first connecting rod (321) is located at one end, far away from the end hinged to the third connecting rod (323), of the strip-shaped sliding groove (325) in the compression state and located at one end, close to the end hinged to the third connecting rod (323), of the strip-shaped sliding groove (325) in the loosening state.

9. An automatic workpiece layering and placing rack as claimed in claim 7, wherein said locking mechanism (33) comprises:

a handle (332) fixedly connected with one of the rotating rods (31) and used for driving the rotating rod to rotate, wherein a mounting hole is formed in the handle (332);

a locking mechanism body (331) which can be inserted into the mounting hole to lock and unlock the rotating rod (31);

the top of this dwang (31) is passed through handle (332) rotationally install set firmly in mounting panel (13) on bed frame (10), be equipped with two on mounting panel (13) and be the angle of predetermineeing arrange can with spacing hole (131) that locking mechanism body (331) cooperation was locked.

10. The automatic workpiece layering and placing rack according to claim 7, wherein the rotating rods (31) comprise at least four rotating rods, and connecting lines of the projections of the at least four rotating rods (31) on the upper surface of the base (11) form a polygonal structure, and the polygonal structure is located in the positioning space;

in the pressing state, all the pressing sheets (310) face to the inside of the polygonal structure; and/or

The preset angle is 90 °.

Technical Field

The invention belongs to the technical field of automobiles, and particularly relates to an automatic workpiece layered material placing rack.

Background

In the automatic production process of automobiles, the same automobile body parts need to be produced in large batch, and in order to effectively save the spatial layout of the production line, a material rack with multiple layers of supports is generally used for storage and transportation. The positioning mechanisms for supporting parts in the existing layered material rack are mostly driven by pneumatic elements such as air cylinders and the like to retract and release; if each layer of positioning mechanism is driven by a pneumatic element to be retracted, the manufacturing cost and the maintenance cost are high, and the occupied space is large; if all the positioning mechanisms are driven by a pneumatic element together to realize linkage, the structure is more complex; moreover, the positioning mechanism of the common layered material rack can only support parts, and in the process of transporting the parts, once the parts meet the uneven road surface, the parts supported on the positioning mechanism easily jump longitudinally, so that the parts are easy to fall off the positioning mechanism or collide with the positioning mechanism in the process of repeatedly jumping and falling to cause damage to the parts.

Current patent CN103921024A discloses a work or material rest of accurate work piece that stacks, it is connected with first supporting shoe and second supporting shoe to rotate through first pivot and second pivot respectively from bottom to top on the bracket, first connecting rod of first round pin hub connection and second round pin hub connection is passed through respectively between first supporting shoe and the second supporting shoe, first supporting shoe top is equipped with first spacer pin and the first spacer pin that rotates down of going up, second round pin hub connection is in the slotted hole on the first connecting rod, first supporting shoe and second supporting shoe top are equipped with respectively and rotate the spacer pin, it upwards or rotates downwards to drive the linkage of second supporting shoe through first supporting shoe and connecting rod linkage, realize the purpose of placing the work piece. Although the material rack with the structure can be linked to realize the arrangement of workpieces from bottom to top, the support blocks of the structure are linked through a connecting rod which is vertically arranged, when the height of the material rack is higher, the length of the corresponding connecting rod is larger, and meanwhile, as the connecting rod is provided with the long hole, the number of the support blocks in the material rack is less and the number of the workpieces which can be arranged is less; and once the connecting rod breaks, the whole material rack can not realize linkage.

Disclosure of Invention

The invention aims to solve the technical problems that the existing layered material rack realizes the placement of workpieces through linkage of connecting rods, so that the number of supporting blocks in the material rack is small, the number of the workpieces which can be placed is small, and once the connecting rods are broken, the whole material rack cannot realize linkage.

Therefore, the invention provides an automatic workpiece layered material placing rack, which comprises:

the base frame comprises a base and a plurality of base columns vertically fixed on the base;

the linkage positioning assembly comprises two linkage positioning mechanisms which are oppositely arranged in the foundation columns on two opposite sides of the base, the linkage positioning mechanisms can be rotatably arranged on the foundation columns in a stretching and retracting manner, and a positioning space for supporting and positioning a workpiece to be positioned is defined between the two linkage positioning mechanisms;

the linkage positioning mechanism comprises at least two positioning pieces which are arranged at intervals along the vertical direction, and linkage pieces are arranged on the end faces, facing each other, of any two adjacent positioning pieces;

the linkage positioning mechanism is provided with all positioning pieces which are not linked and are arranged above the positioning pieces, the positioning pieces are arranged in the foundation column and at the lowest part of the positioning pieces partially extend out of the foundation column in an idle state, and the positioning pieces at the lowest part of the positioning pieces are pressed and rotated to extend out of a flat position under the action of gravity of workpieces to be positioned, the positioning pieces outside the foundation column are in a bearing state and above the positioning pieces, and the positioning pieces are in linkage rotation to partially extend out of the foundation column in an opening state through the linkage pieces and the lowest positioning pieces.

Optionally, an automatic layering work or material rest of placing of work piece, linkage positioning mechanism includes:

a first positioning member partially extending out of the base pillar in an unloaded state, and arranged at the bottom of the base pillar correspondingly;

at least one second positioning element, which is located in the base pillar in the no-load state, is arranged above the first positioning element;

the included angle formed by the second positioning piece and the flat position of the second positioning piece in the no-load state is larger than the included angle formed by the first positioning piece and the flat position of the first positioning piece in the no-load state;

the linkage piece is arranged on the end face of one side, facing the first positioning piece, of the second positioning piece, the linkage piece can be pressed against the upper surface of the first positioning piece to generate linkage in the process that the first positioning piece is pressed down under the action of gravity of a workpiece to be positioned, and the second positioning piece rotates in a linkage mode towards the direction of the flat position until the second positioning piece partially extends out of the base column and forms an included angle with the flat position;

under the opening state, the second positioning piece can be pressed down and switched to a bearing state under the action of the gravity of the workpiece to be positioned.

Optionally, the workpiece automatic layering material placing rack comprises at least two second positioning pieces, and the at least two second positioning pieces are arranged in a staggered manner in the vertical direction;

in at least two second positioning parts, the linkage parts are arranged on the mutually-facing end surfaces of any two adjacent second positioning parts, and the at least two second positioning parts can also be linked through the corresponding linkage parts respectively;

when the at least two second positioning parts are in an opening state, the included angle formed by the at least two second positioning parts and the respective flat position is gradually increased from bottom to top.

Optionally, an automatic layering work or material rest of placing of work piece, linkage positioning mechanism still includes:

the first limiting piece is arranged below the first positioning piece and used for limiting the rotation of the first positioning piece when the first positioning piece is in an unloaded state;

a plurality of second limiting parts which are arranged above the first limiting parts, correspond to all the positioning parts one by one and can limit the corresponding positioning parts when the corresponding positioning parts are in a bearing state of a flat position;

the first limiting part and the second limiting part are not collinear in the vertical direction.

Optionally, in the automatic workpiece layering and placing rack, the first positioning element and the second positioning element are both rotatably arranged on the base column through a rotating shaft; and the first positioning piece and the second positioning piece are both plates with the gravity centers eccentric to the rotation center defined by the rotating shaft.

Optionally, in the automatic workpiece layering and placing rack, the upper surfaces of the first positioning part and the second positioning part are respectively provided with a limiting block protruding upwards to limit the lateral movement of a workpiece to be positioned placed on the first positioning part and the second positioning part; and/or

The linkage positioning mechanism comprises at least two groups, and the at least two groups are distributed on the periphery of the base.

Optionally, the automatic layering work rest of placing of work piece, still include:

the linkage pressing mechanism comprises at least three rotating rods which are arranged on the base in a linkage rotating mode, a connecting rod group which is connected with all the rotating rods in a linkage mode, and a locking mechanism which is arranged on one of the rotating rods and used for locking and limiting all the rotating rods to rotate or unlocking and releasing all the rotating rods to rotate;

a plurality of pressing pieces which are arranged at intervals along the axial direction of the rotating rods are arranged on any one of the rotating rods, and at least three rotating rods are distributed on the periphery of the positioning space;

the linkage pressing mechanism is provided with a pressing state that all the pressing pieces are pressed on the upper surfaces of the workpieces to be positioned respectively and correspondingly when the linkage positioning mechanism is in a bearing state, and a loosening state that all the pressing pieces are driven to rotate by a preset angle to avoid the upper surfaces of the workpieces to be positioned respectively and correspondingly.

Optionally, the automatic layering work piece rack of placing of a kind of work piece, the linkage includes:

the two ends of the first connecting rod are respectively hinged with the fourth connecting rods on the two rotating rods;

a second connecting rod with the middle part rotatably connected with the base and one end slidably connected with the middle part of the first connecting rod;

a third connecting rod, two ends of which are respectively hinged with the second connecting rod and a fourth connecting rod on the other rotating rod;

the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are arranged at preset included angles;

the second connecting rod with first connecting rod articulated one end is equipped with one and follows the bar spout that the length direction of second connecting rod extends, first connecting rod is in during the state of compressing tightly keep away from of bar spout with third connecting rod articulated one end just is in during the unclamping state be in the bar spout be close to with third connecting rod articulated one end.

Optionally, the automatic work piece layering rack, the locking mechanism includes:

the handle is fixedly connected with one of the rotating rods and used for driving the rotating rod to rotate, and a mounting hole is formed in the handle;

the locking mechanism body can be inserted into the mounting hole to lock and unlock the rotating rod;

the top of this dwang is passed through the handle rotationally install set firmly in on the mounting panel on the bed frame, be equipped with two on the mounting panel and be and predetermine angle arrange can with the spacing hole that the locking mechanism body cooperation was locked.

Optionally, the automatic workpiece layering and placing rack comprises at least four rotating rods, wherein connecting lines of projections of the at least four rotating rods on the upper surface of the base form a polygonal structure, and the polygonal structure is located in the positioning space;

in the pressing state, all the pressing pieces face the inside of the polygonal structure; and/or

The preset angle is 90 °.

The technical scheme of the invention has the following advantages:

1. the invention provides an automatic workpiece layered material placing rack which comprises a base frame and at least one group of two linked positioning mechanisms; the linkage positioning mechanism comprises at least two positioning pieces which are arranged at intervals along the vertical direction, and a linkage piece is arranged on the end surface of the positioning piece facing downwards of the positioning piece positioned above any two adjacent positioning pieces; the linkage positioning mechanism is provided with an idle state that all positioning parts are not linked and the upper positioning parts are positioned in the base column and the lower positioning parts partially extend out of the base column, and a bearing state that the lowest positioning part is pressed to rotate to the flat position under the action of the gravity of a workpiece to be positioned and extends out of the base column, and an opening state that the upper positioning part and the lowest positioning part are linked to rotate to partially extend out of the base column through a linkage part. The positioning pieces of the linkage positioning mechanism are linked under the action of gravity of the workpiece to be positioned, so that the workpieces are sequentially placed in layers from top to bottom, and the linkage mechanism is simple in structure and high in linkage.

2. The invention provides an automatic workpiece layered material placing rack.A linkage positioning mechanism comprises a first positioning piece and at least one second positioning piece, wherein in an idle state, an included angle formed by the second positioning piece and a flat-placing position thereof is larger than an included angle formed by the first positioning piece and the flat-placing position thereof, part of the first positioning piece extends out of a base column, and the second positioning piece is positioned in the base column; that is to say when the work piece of awaiting positioning is placed along the top of bed frame downwards, contact first locating part at first and rely on self action of gravity to make first locating part lay level and produce the linkage with the linkage on the second locating part, drive the second locating part that is located first locating part top and stretch out the foundation post and switch over to the open mode outward to the realization is from bottom to top placed the work piece in proper order by layers.

3. The invention provides an automatic workpiece layered material placing rack, wherein the number of second positioning parts is at least two, a linkage part is arranged on the mutually-facing end surfaces of any two adjacent second positioning parts, any two adjacent second positioning parts are vertically arranged in a staggered manner, and the interval of the plurality of second positioning parts in the vertical direction is smaller through the staggered arrangement, so that more positioning parts can be arranged in a limited space, and more workpieces can be placed; and the included angles between the plurality of second positioning parts and the respective leveling positions of the plurality of second positioning parts are gradually increased from bottom to top in the opening state, so that the workpieces can be sequentially placed from bottom to top.

4. The linkage positioning mechanism further comprises a first limiting piece and a second limiting piece, the first limiting piece abuts against the lower surface of the first positioning piece in an idle state, and meanwhile the first limiting piece and the second limiting piece are not collinear in the vertical direction, so that the first positioning piece is obliquely arranged on the foundation column and partially extends out of the foundation column, and the positioning pieces are in a flat position in a bearing state through the second limiting piece.

5. According to the automatic workpiece layered material placing frame provided by the invention, the first positioning piece and the second positioning piece are respectively provided with the limiting block, so that when a workpiece to be positioned is placed on the positioning piece, the positioning piece can transversely move to cause the workpiece to slide out of the positioning piece, and the workpiece is damaged.

6. The automatic workpiece layered material placing frame further comprises a linkage pressing mechanism, and through the arrangement of the linkage pressing mechanism, pressing pieces can be pressed on the upper surface of a workpiece in the moving and transporting process of the material placing frame, so that the workpiece is prevented from jumping in the vertical direction to cause collision damage, and the workpiece is effectively protected.

7. According to the automatic workpiece layered material placing rack provided by the invention, the linkage pressing mechanism comprises the rotating rod and the locking mechanism, the linkage pressing mechanism is locked in a pressing state through the locking mechanism, and the locking mechanism is unlocked in a loosening state.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a three-dimensional structure diagram of an automatic workpiece layered material placing rack in embodiment 1 of the present invention;

fig. 2 is a three-dimensional structure view of the automatic workpiece layering and placing rack of embodiment 1 of the invention, with a panel on the base frame omitted;

FIG. 3 is a three-dimensional structure diagram of the automatic layered workpiece placement rack of FIG. 2 without the workpiece to be positioned;

fig. 4 is a schematic structural view of one linkage positioning mechanism of one group of linkage positioning mechanisms of the automatic workpiece layering and placing rack according to embodiment 1 of the present invention;

FIG. 5 is a schematic structural view of the linkage positioning mechanism of FIG. 4 with the base pillar omitted (the first positioning member is in a load-bearing state in a flat position);

FIG. 6 is a schematic structural diagram of a portion of the positioning members of the linked positioning mechanism in FIG. 5 (the first positioning member is in a load-bearing state of a flat-position);

fig. 7 is a schematic perspective view of the first positioning element or the second positioning element shown in fig. 6;

fig. 8 is a schematic structural view of a linkage pressing mechanism of an automatic workpiece layering and placing rack according to embodiment 1 of the present invention, which is mounted on a base (locked in a pressed state);

fig. 9 is a schematic structural view of a linkage pressing mechanism of an automatic workpiece layering and placing rack according to embodiment 1 of the present invention (in a pressed state, locked);

fig. 10 is a schematic structural diagram of a linkage pressing mechanism of the automatic workpiece stacking and placing rack in the embodiment 1 of the invention;

FIG. 11 is a schematic structural view of a second link of the linkage of FIG. 12;

FIG. 12 is a partial enlarged structural view of A in FIG. 9;

fig. 13 is a schematic cross-sectional structural view of a locking mechanism body of a linkage pressing mechanism of an automatic workpiece layering and placing rack in embodiment 1 of the invention.

Description of reference numerals:

10-a base frame; 11-a base; 12-a base pillar; 121-a mounting cavity; 13-mounting a plate; 131-a limiting hole; 20-a linkage positioning mechanism; 21-a first positioning member; 211-a first portion; 212-a second portion; 22-a second positioning element; 23-a linkage; 24-a rotating shaft; 25-a first limit stop; 26-a second stop; 27-a limiting block; 30-a linkage hold-down mechanism; 31-rotating rods; 310-a compression sheet; 32-linkage; 321-a first link; 322-a second link; 323 a third link; 324-a fourth link; 325-strip chute; 325 a first end; 3252-second end; 33-a locking mechanism; 331-a locking mechanism body; 3311-guide sleeve; 3312-pin; 3313-operating the disc; 3314-stop collar; 3315-guide lumen; 332-a handle; 40-workpiece to be positioned.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.