CN216966795U - Automatic feeding device and production line - Google Patents

Abstract

The utility model discloses an automatic feeding device and a production line, wherein the automatic feeding device comprises: the rack mechanism is provided with a plurality of caching fixing positions for placing workpieces to be welded; the feeding mechanism is provided with a movable assembly which can be lifted and moved between the buffer memory fixing position and the welding station and a plurality of feeding fixing assemblies connected with the movable assembly; the feeding mechanism is used for transferring the workpieces cached in the fixed position to a welding station; and the positioning mechanism is used for clamping the workpiece of the positioning welding station and driving the workpiece to rotate. The automatic feeding device provided by the utility model can realize automatic feeding in the using process, and improves the positioning precision of the workpiece, so that the workpiece to be welded can be positioned to a state of being capable of directly carrying out full welding, the operation process of spot welding before full welding is avoided, the welding flow is simplified, and the full welding efficiency is improved.

Description

Automatic feeding device and production line

Technical Field

The utility model relates to the technical field of welding equipment, in particular to an automatic feeding device. In addition, the utility model also relates to a production line comprising the automatic feeding device.

Background

With the rapid development of industrial automation intelligent manufacturing, the requirement on production efficiency is higher and higher, in the process of producing and manufacturing some equipment such as water heaters, some structures in the equipment need to be fully welded, in the prior art, because the precision of a welding device is lower, the precision of a positioning workpiece is limited, and the requirement on full welding cannot be met, the spot welding operation needs to be carried out before full welding, so that the process is complex, the efficiency is low, and the requirement on welding operation technicians is higher.

In summary, how to improve the full-length welding efficiency is a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides an automatic feeding device, which can automatically feed, clamp and position a workpiece, and improve the operation and positioning accuracy of the workpiece to be welded, so that during the welding process, the workpiece to be welded can be fully welded directly by a welding mechanism, no spot welding operation is required, the welding process is simplified, and the full welding efficiency is improved.

The utility model also provides a production line comprising the automatic feeding device.

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

an automatic feeding device, comprising:

the rack mechanism is provided with a plurality of cache fixing positions for placing workpieces to be welded;

the feeding mechanism is provided with a movable assembly which can be lifted and moved between the cache fixing position and the welding station and a plurality of feeding fixing assemblies connected with the movable assembly; the feeding mechanism is used for transferring the workpieces in the cache fixing positions to the welding station;

the positioning mechanism is used for clamping and positioning the workpiece of the welding station and driving the workpiece to rotate;

the feeding mechanism and the positioning mechanism are sequentially arranged along the feeding moving direction of the workpiece.

Optionally, the moving assembly comprises a first power part for driving the feeding fixing assembly to ascend and descend, and a second power part for driving the feeding fixing assembly to move between the buffer fixing position and the welding station;

the first power part is connected with the feeding fixing component, and the whole formed by the first power part and the feeding fixing component is connected with the second power part.

Optionally, the feeding fixing assembly comprises a lower positioning part and an upper positioning part, and the upper positioning part is arranged to move up and down relative to the lower positioning part so as to position the workpiece and clamp or unclamp the workpiece.

Optionally, the upper positioning element and the lower positioning element are both provided with first positioning grooves for positioning the workpiece, and the lower positioning element is provided with second positioning grooves for positioning the workpiece and matching with the first positioning grooves.

Optionally, the number of the cache fixing bits is at least two, the number of the feeding fixing assemblies is at least three, and the distance between the adjacent cache fixing bits is equal to the distance between the adjacent feeding fixing assemblies.

Optionally, the positioning mechanism includes a positioning clamping jaw, a distance adjusting assembly, a rotary power member for driving the positioning clamping jaw to rotate, and a clamping member for driving the positioning clamping jaw to open or clamp;

the location clamping jaw includes left clamping jaw and the right clamping jaw that the symmetry set up, the roll adjustment subassembly is used for adjusting left side clamping jaw with distance between the right clamping jaw.

Optionally, the left clamping jaw with the right clamping jaw all is provided with and is used for the location the third positioning groove of work piece, the right clamping jaw is provided with and is used for the location the work piece and with third positioning groove matched with fourth positioning groove, and under the clamping state, the left clamping jaw with leave the welded gap of being convenient for between the right clamping jaw.

Optionally, the distance adjusting assembly includes a first slide rail and a second slide rail that are symmetrically arranged, a first slide block that is matched with the first slide rail, a second slide block that is matched with the second slide rail, a first mounting plate, a second mounting plate, a first driving part that pushes the first mounting plate to move, and a second driving part that pushes the second mounting plate to move;

the first mounting plate is connected with the first slider, the second mounting plate is connected with the second slider, the left clamping jaw is installed in the inner side of the first mounting plate, and the right clamping jaw is installed in the inner side of the second mounting plate.

Optionally, the welding mechanism is a welding robot;

and a workpiece outlet of the positioning mechanism is provided with a charging chute and a product collecting box communicated with the charging chute.

A production line comprises the automatic feeding device and a welding mechanism, wherein the welding mechanism is used for welding workpieces of a welding station of the automatic feeding device.

In the process of using the automatic feeding device provided by the utility model, firstly, a workpiece to be welded is required to be placed to the buffer fixing position, the moving component of the feeding mechanism drives the feeding fixing component to move, the workpiece at the buffer fixing position is transferred to the welding station, the positioning mechanism clamps and positions the workpiece at the welding station and drives the workpiece to rotate, and in the rotating process, the welding mechanism can realize full-welding operation on the workpiece.

Compared with the prior art, the automatic feeding device provided by the utility model can realize automatic feeding, clamping and positioning of workpieces in the using process, and improves the positioning precision of the workpieces, so that the workpieces to be welded can be positioned to a state capable of being directly subjected to full welding, the operation process of spot welding before full welding is avoided, the welding process is simplified, and the full welding efficiency is improved.

In addition, the utility model also provides a production line comprising the automatic feeding device.

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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is an axial schematic view of an embodiment of an automatic feeding device provided in the present invention;

FIG. 2 is a side view of the automatic feeding device of FIG. 1;

FIG. 3 is a front view of the automatic loading device of FIG. 1;

FIG. 4 is a schematic structural view of a gantry mechanism;

FIG. 5 is an axial schematic view of the feeding mechanism;

FIG. 6 is a side view of the feeding mechanism;

FIG. 7 is a front view of the positioning mechanism;

fig. 8 is a side view of the positioning mechanism.

In fig. 1-8:

1 is a rack mechanism, 11 is a first buffer fixing position, 111 is a positioning concave portion, 12 is a second buffer fixing position, 13 is a third buffer fixing position, 14 is a buffer station support, 15 is a rack, 2 is a feeding mechanism, 21 is a stretching cylinder, 22 is a first lifting cylinder, 23 is a first lower positioning member, 24 is a second lower positioning member, 25 is a third lower positioning member, 26 is a fourth lower positioning member, 27 is a first upper positioning member, 28 is a second upper positioning member, 29 is a third upper positioning member, 210 is a first pressing cylinder, 211 is a second pressing cylinder, 212 is a third pressing cylinder, 213 is a feeding slide block, 214 is a feeding slide rail, 215 is a second lifting cylinder, 216 is a guide shaft, 217 is a linear bearing, 218 is a feeding frame, 3 is a positioning mechanism, 31 is a first driving part, 32 is a first slide rail, 33 is a first slide block, 34, a second driving part, 35 is a second slide rail, 36 is a second slide block, 37 is a rotary power part, 38 is a first clamping part, 39 is a left clamping jaw, 310 is a second clamping part, 311 is a right clamping jaw, 312 is a charging chute, 313 is a first mounting plate, 314 is a second mounting plate, 4 is a welding mechanism, and 5 is a product collecting box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

The core of the utility model is to provide an automatic feeding device which can realize automatic feeding, and a positioning mechanism can clamp and position a workpiece, so that the positioning precision of the workpiece to be welded is improved, and the workpiece to be welded can be directly subjected to full welding through a welding mechanism in the welding process without spot welding operation, thereby simplifying the welding process and improving the full welding efficiency. The other core of the utility model is to provide a production line comprising the automatic feeding device.

Please refer to fig. 1 to 8.

This embodiment discloses an automatic feeding device, includes: the rack mechanism 1 is provided with a plurality of caching fixing positions for placing workpieces to be welded; the feeding mechanism 2 is provided with a movable assembly which can be lifted and moved between the buffer memory fixing position and the welding station and a plurality of feeding fixing assemblies connected with the movable assembly; the feeding mechanism 2 is used for transferring the workpieces cached in the fixed position to a welding station; the positioning mechanism 3 is used for clamping a workpiece positioned at a welding station and driving the workpiece to rotate; the feeding mechanism 2 and the positioning mechanism 3 are sequentially arranged along the feeding moving direction of the workpiece.

It should be noted that, two workpieces to be welded are generally a group, and the same cache fixing position needs to fix a group of workpieces, so that the positions to be welded of the two workpieces are aligned as much as possible; of course, one workpiece can be a group, and a single workpiece is provided with a gap needing welding connection; the automatic feeding device provided by the embodiment can be suitable for full welding of oval workpieces as shown in fig. 4, and can also be suitable for full welding of workpieces of other shapes, and is determined according to actual conditions.

Optionally, as shown in fig. 4, the rack mechanism 1 includes a first buffer fixing position 11, a second buffer fixing position 12, a third buffer fixing position 13, a buffer station support 14, and a rack 15, the rack 15 is fixedly disposed, and the buffer station support 14 is fixedly mounted on the rack 15; the buffer station support 14 is provided with a buffer fixing position for placing the workpieces to be welded, a single buffer fixing position is provided with two positioning concave parts 111, and the positioning concave parts 111 are respectively used for fixing the two workpieces to be welded; in fig. 4, three cache fixing bits are set, which are a first cache fixing bit 11, a second cache fixing bit 12, and a third cache fixing bit 13; in the feeding process, a workpiece to be welded needs to be placed in a cache fixing position; of course, the number of the cache fixed bits may also be other values, which are not described herein. Further, a limiting part for limiting the axial position of the workpiece can be arranged at the buffer fixing position.

In fig. 4, the buffer fixing position is provided with a groove for matching with an elliptical workpiece, and further, a limiting part may be provided at an axial end of the buffer fixing position for limiting an axial position of the workpiece.

Alternatively, the buffer station support 14 may be detachably mounted to the rack 15, and different buffer station supports 14 may be replaced for products of different shapes and sizes.

In the process of using the automatic feeding device provided by the specific embodiment, firstly, a workpiece to be welded needs to be placed to the buffer fixing position, the moving assembly of the feeding mechanism 2 drives the feeding fixing assembly to move, the workpiece at the buffer fixing position is transferred to the welding station, the positioning mechanism 3 clamps and positions the workpiece at the welding station and drives the workpiece to rotate, and in the rotating process, the welding mechanism 4 performs full-welding operation on the workpiece.

Compared with the prior art, the automatic feeding device provided by the specific embodiment can realize automatic feeding, positioning and clamping of workpieces in the using process, improves the positioning precision of the workpieces, enables the workpieces to be welded to be positioned to a state capable of being directly subjected to full welding, avoids the operation process of spot welding before full welding, simplifies the welding process, and improves the efficiency of full welding.

In a specific embodiment, the moving assembly comprises a first power part and a second power part, wherein the first power part is used for driving the feeding fixing assembly to lift, and the second power part is used for driving the feeding fixing assembly to move between the cache fixing position and the welding station; the first power part is connected with the feeding fixing component, and the whole body formed by the first power part and the feeding fixing component is connected with the second power part.

As shown in fig. 5 and 6, the first power member includes a first lifting cylinder 22 and a second lifting cylinder 215, and the first lifting cylinder 22 and the second lifting cylinder 215 are respectively disposed on two sides of the plate member mounted on the feeding fixing assembly, so that the lifting process of the feeding fixing assembly is balanced in stress and prevented from tilting. The second power part may be a stretching cylinder 21, and the stretching cylinder 21 may drive the whole body formed by the first power part and the feeding fixing component to move to the welding station or return to the welding station, a feeding slide block 213 and a feeding slide rail 214 matched with the feeding slide block 213 are provided in fig. 5, the whole body formed by the first power part and the feeding fixing component is connected to the feeding slide block 213, and the feeding slide block 213 slides relative to the feeding slide rail 214 in the process that the stretching cylinder 21 drives the whole body formed by the first power part and the feeding fixing component to move to the welding station or return to the welding station.

As shown in fig. 6, the feeding fixing assembly includes a lower positioning member and an upper positioning member, wherein the lower positioning member includes a first lower positioning member 23, a second lower positioning member 24, a third lower positioning member 25, and a fourth lower positioning member 26, and the upper positioning member includes a first upper positioning member 27, a second upper positioning member 28, and a third upper positioning member 29; the upper positioning piece can move up and down relative to the lower positioning piece so as to position and clamp or loosen a workpiece; the upper positioning piece is provided with a first positioning groove used for positioning a workpiece, and the lower positioning piece is provided with a second positioning groove used for positioning the workpiece and matched with the first positioning groove. The arrangement of the first positioning groove and the second positioning groove can improve the positioning precision of the workpiece, and further, the lower positioning piece and the upper positioning piece can be detachably arranged to adapt to workpieces of different shapes and sizes.

During the lifting process, as shown in fig. 6, a guide shaft 216 is provided, the guide shaft 216 may be used to limit the lifting direction of the feeding fixing assembly, and the guide shaft 216 is provided with a linear bearing 217.

As shown in fig. 4, a first buffer fixing position 11, a second buffer fixing position 12, and a third buffer fixing position 13 are provided, the first buffer fixing position 11, the second buffer fixing position 12, and the third buffer fixing position 13 are all provided with two positioning recesses 111, and the two positioning recesses 111 of the same buffer fixing position are arranged at intervals, the lower positioning element of the feeding fixing assembly in fig. 5 and 6 is arranged between the two positioning recesses 111 of the same buffer fixing position, in an initial state, the first lower positioning element 23 can be located between the two positioning recesses 111 of the first buffer fixing position 11, the second lower positioning element 24 can be located between the two positioning recesses 111 of the second buffer fixing position 12, the third lower positioning element 25 can be located between the two positioning recesses 111 of the third buffer fixing position 13, and the height of the lower positioning element is lower than that of the buffer fixing position, and after the workpiece is placed in the positioning recesses 111 of the buffer fixing positions, the first power part controls the lower positioning part to ascend, so that the workpiece positioned at the corresponding cache fixing position can be lifted, and the workpiece is transferred to the lower positioning part from the cache fixing position.

As shown in fig. 5, the upper positioning element is mounted on the upper portion of the lower positioning element through the upper rack 218, and the upper positioning element and the lower positioning element are arranged in a one-to-one correspondence, in fig. 5, four lower positioning elements are arranged, which are respectively a first lower positioning element 23, a second lower positioning element 24, a third lower positioning element 25 and a fourth lower positioning element 26, and three upper positioning elements are arranged, which are respectively a first upper positioning element 27, a second upper positioning element 28 and a third upper positioning element 29, and three upper positioning elements are arranged in a one-to-one correspondence with three lower positioning elements (a first lower positioning element 23, a second lower positioning element 24 and a third lower positioning element 25) far away from the positioning mechanism 3, that is, in fig. 5, the first upper positioning element 27 is arranged in correspondence with the first lower positioning element 23, and the second upper positioning element 28 is arranged in correspondence with the second lower positioning element 24, the third upper positioning piece 29 is arranged corresponding to the third lower positioning piece 25; the upper rack 218 is further provided with a first pressing cylinder 210, a second pressing cylinder 211 and a third pressing cylinder 212, the first pressing cylinder 210 is used for controlling the lifting of the first upper positioning element 27, the second pressing cylinder 211 is used for controlling the lifting of the second upper positioning element 28, and the third pressing cylinder 212 is used for controlling the lifting of the third upper positioning element 29.

It should be noted that, in order to implement an automatic feeding process, the number of the cache fixing bits is at least two, the number of the feeding fixing assemblies is at least three, and the distance between adjacent cache fixing bits is equal to the distance between adjacent feeding fixing assemblies.

In an embodiment, as shown in fig. 7 and 8, the positioning mechanism 3 includes a positioning jaw, a distance adjusting assembly, a rotary power member 37 for driving the positioning jaw to rotate, and a clamping member for driving the positioning jaw to open or clamp; the positioning clamping jaw comprises a left clamping jaw 39 and a right clamping jaw 311 which are symmetrically arranged, the right clamping jaw 311 is matched with the left clamping jaw 39 to clamp and position a workpiece, and the distance adjusting assembly is used for adjusting the distance between the left clamping jaw 39 and the right clamping jaw 311.

Left clamping jaw 39 is provided with the third positioning groove who is used for fixing a position the work piece, and right clamping jaw 311 is provided with and is used for fixing a position the work piece and with third positioning groove matched with fourth positioning groove, and under the clamping state, leaves the welded gap of being convenient for between left clamping jaw 39 and the right clamping jaw 311, the gap can be located adjacent left clamping jaw 39 and right clamping jaw 311's intermediate position, also can deviate the intermediate position setting, specifically confirms according to actual conditions, does not do here and give unnecessary repeated description.

As shown in fig. 7, the distance adjusting assembly includes a first slide rail 32 and a second slide rail 35 which are symmetrically arranged, a first slider 33 which is matched with the first slide rail 32, a second slider 36 which is matched with the second slide rail 35, a first mounting plate 313, a second mounting plate 314, a first driving part 31 which pushes the first mounting plate 313 to move, and a second driving part 34 which pushes the second mounting plate 314 to move; the first mounting plate 313 is connected with the first sliding block 33, the second mounting plate 314 is connected with the second sliding block 36, the left clamping jaw 39 is mounted on the inner side of the first mounting plate 313, and the right clamping jaw 311 is mounted on the inner side of the second mounting plate 314; the rotary power member 37 is mounted on the first mounting plate 313 or the second mounting plate 314, and the clamping components include a first clamping component 38 for controlling the opening or clamping of the left clamping jaw 39 and a second clamping component 310 for controlling the opening or clamping of the right clamping jaw 311. The first driving member 31 and the second driving member 34 may be air cylinders, and the first clamping member 38 and the second clamping member 310 may also be air cylinders.

Alternatively, the positioning jaw may be driven to rotate by a rotary power member 37, and in a state of clamping the workpiece, the left jaw 39 and the right jaw 311 cooperate to be connected in an axial direction to form an integral structure.

As shown in fig. 8, the welding mechanism 4 is a welding robot; the workpiece outlet of the positioning mechanism 3 is provided with a chute 312 and a product collecting box 5 communicated with the chute 312.

Optionally, the welding robot is a multi-axis robot.

Optionally, a poking member for poking the welded workpiece to the blanking slot 312 is disposed at the blanking slot 312.

The automatic feeding device provided by figures 1-8 is used as follows:

firstly, a workpiece to be welded is required to be placed to a first cache fixing position 11, a second cache fixing position 12 and a third cache fixing position 13, in an initial state, the first cache fixing position 11 corresponds to a first lower positioning part 23, and four lower positioning parts are controlled to ascend through a first lifting cylinder 22 and a second lifting cylinder 215 until the workpiece to be welded is transferred to the first lower positioning part 23, a second lower positioning part 24 and a third lower positioning part 25; the first upper positioning piece 27, the second upper positioning piece 28 and the third upper positioning piece 29 are respectively controlled to descend by a first lower air cylinder 210, a second lower air cylinder 211 and a third lower air cylinder 212 so as to correspondingly clamp the workpieces to be welded on the first lower positioning piece 23, the second lower positioning piece 24 and the third lower positioning piece 25; the stretching cylinder 21 is controlled to retract, so that the whole body formed by the feeding fixing assembly and the first power part is driven to move forward towards the direction of the positioning mechanism 3 until the workpiece to be welded in the third lower positioning part 25 moves to a welding station; the first downward air cylinder 210, the second downward air cylinder 211 and the third downward air cylinder 212 respectively control the first upper positioning part 27, the second upper positioning part 28 and the third upper positioning part 29 to retract, the first air cylinder 31 and the second air cylinder 34 in the positioning mechanism 3 act to drive the first slider 33 to move along the first slide rail 32, and the second slider 36 moves along the second slide rail 35, so that the first mounting plate 313 and the second mounting plate 314 relatively approach each other, the left clamping jaw 39 and the right clamping jaw 311 move to two ends of the workpiece, and the first clamping air cylinder 38 and the second clamping air cylinder 310 control the left clamping jaw 39 and the right clamping jaw 311 to clamp the workpiece; after clamping, the stretching cylinder 21 extends out, so that the first lower positioning piece 23, the second lower positioning piece 24, the third lower positioning piece 25 and the fourth lower positioning piece 26 return to the positions of the first lower positioning piece 23 corresponding to the first buffer fixing position 11; then the first lifting cylinder 22 and the second lifting cylinder 215 drive the first lower positioning element 23, the second lower positioning element 24, the third lower positioning element 25 and the fourth lower positioning element 26 to descend, so that the remaining two workpieces to be welded are transferred to the second buffer fixing position 12 and the third buffer fixing position 13; the rotary power part 37 drives a workpiece to rotate by a motor, the welding mechanism 4 fully welds the workpiece in the rotating process of the workpiece, the first cache fixing position 11 can be loaded in the welding process of the workpiece, after the welding is finished, the first lower positioning part 23, the second lower positioning part 24, the third lower positioning part 25 and the fourth lower positioning part 26 are controlled to ascend, the fourth lower positioning part 26 just ascends to a welding station, the first clamping cylinder 38 and the second clamping cylinder 310 control the left clamping jaw 39 and the right clamping jaw 311 to loosen the welded workpiece, the first mounting plate 313 and the second mounting plate 314 are driven to relatively move away by the first cylinder 31 and the second cylinder 34, and the welded product is located on the fourth lower positioning part 26; then the stretching cylinder 21 is controlled to retract, the first lower positioning piece 23, the second lower positioning piece 24, the third lower positioning piece 25 and the fourth lower positioning piece 26 integrally advance to the direction of the positioning mechanism 3 for a certain distance, which can be the distance between the adjacent lower positioning pieces, so that the welded workpieces are sent out by the fourth lower positioning piece 26 from the outlet end of the positioning mechanism 3, and the welded workpieces are collected into the product collection box 5 through the blanking chute 312; and at the moment, the workpiece on the third lower positioning piece 25 is just positioned at the welding station, and the process is repeated, so that the automatic full welding of the workpiece is realized.

According to the automatic feeding device provided by the application document, in the using process, only the first cache fixing position 11 at the end part is needed to be used for feeding, so that the automatic feeding process is realized, the welding process and the feeding process can be synchronously carried out, and the time is saved; because the left clamping jaw 39 and the right clamping jaw 311 have higher positioning precision on the workpiece, the workpiece can be directly subjected to full welding, the step of spot welding is omitted, the welding process is simplified, and the welding efficiency is improved.

In addition to the automatic feeding device, the utility model further provides a production line including the automatic feeding device disclosed in the above embodiment and a welding mechanism, the welding mechanism is used for welding workpieces at a welding station of the automatic feeding device, and the structures of other parts of the production line refer to the prior art and are not described herein again.

The production line can be a production line of a water heater and can also be applied to production lines of other parts, and is determined according to actual conditions, and is not described in detail herein.

The first, second, third and fourth cache fixing locations 11, 12 and 13, the first and second lift cylinders 22 and 215, the first, second, third and fourth lower positioning members 23, 24, 25 and 26, the first, second and third upper positioning members 27, 28 and 29, the first, second and third lower cylinders 210, 211 and 212, the first and second cylinders 31 and 34, the first and second slide rails 32 and 35, the first and second sliders 33 and 36, the first and second clamping cylinders 38 and 310, and the first and second mounting plates 313 and 314 mentioned in this document are only for distinguishing the differences of positions and not for distinguishing the sequences.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all the embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.

The automatic feeding device and the production line provided by the utility model are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, it is possible to make various improvements and modifications to the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. An automatic feeding device, characterized by, includes:

the rack mechanism (1) is provided with a plurality of cache fixing positions for placing workpieces to be welded;

the feeding mechanism (2) is provided with a movable assembly which can be lifted and moved between the buffer memory fixing position and the welding station and a plurality of feeding fixing assemblies connected to the movable assembly; the feeding mechanism (2) is used for transferring the workpieces in the cache fixing positions to the welding station;

the positioning mechanism (3) is used for clamping and positioning the workpiece of the welding station and driving the workpiece to rotate;

the feeding mechanism (2) and the positioning mechanism (3) are sequentially arranged along the feeding moving direction of the workpiece.

2. The automatic feeding device according to claim 1, wherein the moving assembly comprises a first power member for driving the feeding fixing assembly to ascend and descend, and a second power member for driving the feeding fixing assembly to move between the buffer fixing position and the welding station;

the first power part is connected with the feeding fixing component, and the whole formed by the first power part and the feeding fixing component is connected with the second power part.

3. The automatic feeding device according to claim 2, wherein the feeding fixing assembly comprises a lower positioning member and an upper positioning member, the upper positioning member being movably disposed up and down with respect to the lower positioning member to position the workpiece and to clamp or unclamp the workpiece.

4. The automatic feeding device according to claim 3, wherein the upper positioning member is provided with a first positioning groove for positioning the workpiece, and the lower positioning member is provided with a second positioning groove for positioning the workpiece and cooperating with the first positioning groove.

5. The automatic feeding device according to any one of claims 1 to 4, wherein the number of the buffer fixing positions is at least two, the number of the feeding fixing assemblies is at least three, and the distance between adjacent buffer fixing positions is equal to the distance between adjacent feeding fixing assemblies.

6. The automatic feeding device according to any one of claims 1 to 4, characterized in that the positioning mechanism (3) comprises a positioning clamping jaw, a distance adjusting component, a rotary power piece (37) driving the positioning clamping jaw to rotate, and a clamping part driving the positioning clamping jaw to open or clamp;

the positioning clamping jaw comprises a left clamping jaw (39) and a right clamping jaw (311) which are symmetrically arranged, and the distance adjusting assembly is used for adjusting the distance between the left clamping jaw (39) and the right clamping jaw (311).

7. The automatic feeding device according to claim 6, characterized in that the left clamping jaw (39) is provided with a third positioning groove for positioning the workpiece, the right clamping jaw (311) is provided with a fourth positioning groove for positioning the workpiece and matching with the third positioning groove, and in the clamping state, a gap for facilitating welding is left between the left clamping jaw (39) and the right clamping jaw (311).

8. The automatic feeding device according to claim 6, wherein the distance adjusting assembly comprises a first slide rail (32) and a second slide rail (35) which are symmetrically arranged, a first slide block (33) matched with the first slide rail (32), a second slide block (36) matched with the second slide rail (35), a first mounting plate (313), a second mounting plate (314), a first driving component (31) pushing the first mounting plate (313) to move and a second driving component (34) pushing the second mounting plate (314) to move;

first mounting panel (313) with first slider (33) are connected, second mounting panel (314) with second slider (36) are connected, left clamping jaw (39) install in the inboard of first mounting panel (313), right clamping jaw (311) install in the inboard of second mounting panel (314).

9. An automatic loading device according to any one of claims 1 to 4, characterized in that a chute (312) and a product collection box (5) communicating with the chute (312) are provided at the workpiece outlet of the positioning mechanism (3).

10. A production line, characterized by comprising an automatic feeding device according to any one of claims 1 to 9, and a welding mechanism (4), said welding mechanism (4) being adapted to weld workpieces of a welding station of said automatic feeding device.

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