CN221318637U - Paper support collection stacking device - Google Patents

Abstract

The utility model relates to a paper support material collecting and stacking device which comprises a frame, wherein a positioning mechanism, a material taking mechanism, a transferring mechanism and a material collecting mechanism are sequentially arranged on the frame; the positioning mechanism comprises a positioning frame, a belt conveyor is arranged on the positioning frame, a baffle plate positioned at the tail end of the belt conveyor is fixed on the positioning frame, and a positioning plate capable of relatively moving is arranged on the positioning frame; the material taking mechanism comprises a material taking sucker which can move back and forth, left and right and up and down; the transfer mechanism comprises a transfer sucker which can move left and right and move up and down. The feeding mechanism temporarily carries the paper to the upper part of the right receiving mechanism, the positioning mechanism resets to feed the paper again, the transfer mechanism temporarily carries the paper above the right receiving mechanism to the left receiving mechanism, the left receiving mechanism firstly receives the paper, the right receiving mechanism receives the paper, and the feeding mechanism and the transfer mechanism cooperate to improve the receiving efficiency.

Description

Paper support collection stacking device

Technical Field

The utility model relates to the technical field of paper support material collection, in particular to a paper support material collection stacking device.

Background

The paper support is widely applied to the packaging of various industries, and a plurality of paper supports are stacked together by a material receiving device after the paper supports are manufactured in a large quantity, so that the utilization rate of the storage space is improved.

The existing stacking device usually utilizes a gripper capable of flexibly changing the direction to grasp the paper holders processed at the tail end of the conveying line and send the paper holders to the stacking device for stacking, and when stacking, one paper holder is stacked, as individual layers of paper holders are not tightly stacked, when a worker transfers, the paper holders are loose and easy to drop, and the working progress is affected, so that the paper holder collecting stacking device is provided for solving the problems.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a paper support collecting and stacking device which has the advantages of being more compact and tidy in stacking and the like, and solves the problems that individual layers of paper supports are not compact enough, and when a worker carries out transportation, the paper supports are loose and easy to drop, so that the working progress is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the paper support material collecting and stacking device comprises a frame, wherein a positioning mechanism, a material taking mechanism, a transferring mechanism and a material collecting mechanism are sequentially arranged on the frame;

The positioning mechanism comprises a positioning frame, a belt conveyor is arranged on the positioning frame, a baffle plate positioned at the tail end of the belt conveyor is fixed on the positioning frame, and a positioning plate capable of relatively moving is arranged on the positioning frame;

The material taking mechanism comprises a material taking sucker which can move back and forth, left and right and up and down;

The transfer mechanism comprises a transfer sucker which can move left and right and up and down;

The material receiving mechanism comprises three groups of vertical limiting columns fixed on a frame, two bearing frames capable of moving up and down synchronously are further arranged on the frame, two pressing cylinders are fixed on the vertical limiting columns oppositely, the two pressing cylinders are arranged oppositely, and L-shaped pressing plates are fixed on output shafts of the pressing cylinders.

Further, the left and right sides of locating rack all is fixed with the location cylinder, two the location cylinder sets up relatively, two the output shaft of location cylinder is fixed in on the locating plate, two the locating plate is all fixed with the locating lever that runs through the locating rack in opposite directions one side.

Further, the material taking mechanism comprises an X-axis linear module fixed on the frame, an output shaft of the X-axis linear module is fixed with a Y-axis linear module, an output end of the Y-axis linear module is fixed with a Z-axis linear module, and an output shaft of the Z-axis linear module is fixed on the material taking sucker.

Further, the transfer mechanism comprises a horizontal linear module fixed on the frame, an output shaft of the horizontal linear module is fixed with a lifting cylinder, and an output shaft of the lifting cylinder is fixed on the transfer sucker.

Further, a vertical linear module is further arranged on the frame, a moving plate is fixed at the output end of the vertical linear module, and the two bearing frames are fixed on the moving plate.

Further, be fixed with the receipts material straight line module that is located between two receipts work or material rest in the frame, the output of receipts material straight line module is fixed with the fly leaf, the top surface of fly leaf is fixed with the jacking cylinder, the output of jacking cylinder is fixed with the jacking plate, two sliding connection has the support frame between the receipts work or material rest.

Further, set up the limiting plate in the frame, the both ends of limiting plate are all outwards buckled, the bottom surface of jacking board is fixed with the movable rod that runs through the fly leaf.

Further, the L-shaped compacting plate in the right material receiving mechanism is fixed with a temporary storage plate above, limiting grooves are formed in the temporary storage plate, and the limiting grooves in the four temporary storage plates form a rectangular supporting space for supporting the paper holder.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

According to the paper support collecting and stacking device, the front end of the positioning mechanism is connected with the conveying equipment of the processing machine, the processed paper support is sent to the positioning mechanism, the paper support is collected through the positioning mechanism, the collected paper support is positioned, and the subsequent stacking of the paper support is facilitated;

After the positioning mechanism is used for positioning the paper holder accurately, the material taking mechanism is used for conveying the paper holder to the upper side of the right material receiving mechanism for temporary bearing, and in the process of resetting the positioning mechanism for taking materials again, the transfer mechanism is used for conveying the paper holder temporarily borne above the right material receiving mechanism to the left material receiving mechanism, the left material receiving mechanism is used for receiving materials, the right material receiving mechanism is used for receiving materials, and the material taking mechanism is matched with the transfer mechanism, so that the material receiving efficiency is greatly improved;

the cooperation of feeding mechanism and transfer mechanism makes things convenient for two sets of receipts material mechanisms to stack the receipts simultaneously to the paper holds in the palm, makes things convenient for the staff to take, simultaneously, and receipts material mechanism can hold in the palm the paper neatly and pile up together, and the aesthetic property is stronger, and deposits the tray after piling up, has strengthened the utilization ratio of storage space.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a positioning mechanism according to the present utility model;

FIG. 3 is a schematic view of a take off mechanism according to the present utility model;

FIG. 4 is a schematic view of a transfer mechanism according to the present utility model;

FIG. 5 is a schematic view of a receiving mechanism according to the present utility model;

FIG. 6 is a schematic view of the positional relationship between the lift cylinder and the lift plate of the present utility model;

fig. 7 is a schematic view of an L-shaped compacting plate in the right-side material receiving mechanism of the present utility model.

In the figure: 1. a frame; 2. a positioning mechanism; 201. a positioning frame; 202. a belt conveyor; 203. a baffle; 204. positioning a cylinder; 205. a positioning plate; 206. a positioning rod; 3. a material taking mechanism; 301. an X-axis linear module; 302. a Y-axis linear module; 303. a Z-axis straight line module; 304. a material taking sucker; 4. a transfer mechanism; 401. a horizontal straight line module; 402. a lifting cylinder; 403. a transfer chuck; 5. a material receiving mechanism; 501. a vertical limit column; 502. a vertical straight line module; 503. a motion plate; 504. a carrier; 505. a compacting cylinder; 506. an L-shaped compacting plate; 507. a material receiving frame; 508. a material receiving linear module; 509. a movable plate; 510. jacking the air cylinder; 511. a jacking plate; 512. a movable rod; 513. a support frame; 514. and a limiting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, a paper support receiving and stacking device in this embodiment includes a frame 1, and a positioning mechanism 2, a material taking mechanism 3, a transferring mechanism 4 and a receiving mechanism 5 are sequentially disposed on the frame 1;

The front end of the positioning mechanism 2 is connected with conveying equipment of a processing machine, and the processed paper support is sent to the positioning mechanism 2, and the paper support is collected through the positioning mechanism 2 and positioned, so that the paper support is more convenient to stack subsequently;

After the positioning mechanism 2 is used for positioning the paper holder accurately, the material taking mechanism 3 is used for conveying the paper holder to the upper side of the right material receiving mechanism 5 for temporary bearing, in the process of resetting the positioning mechanism 2 for taking materials again, the transfer mechanism 4 is used for conveying the paper holder temporarily borne above the right material receiving mechanism 5 to the left material receiving mechanism 5, firstly, the left material receiving mechanism 5 is used for receiving materials, then the right material receiving mechanism 5 is used for receiving materials, and the material taking mechanism 3 is matched with the transfer mechanism 4, so that the material receiving efficiency is greatly improved;

The cooperation of feeding mechanism 3 and transfer mechanism 4 makes things convenient for two sets of receipts material mechanisms 5 to hold in the palm simultaneously and piles up the receipts material, makes things convenient for the staff to take, simultaneously, receipts material mechanism 5 can hold in the palm the paper neatly and pile up together, and the aesthetic property is stronger, and deposits the tray after piling up, has strengthened the utilization ratio of parking space.

Specifically, the processed paper support is sent into the positioning mechanism 2, and the paper support is positioned accurately through the positioning mechanism 2, as shown in fig. 2, the positioning mechanism 2 comprises a positioning frame 201 fixed on the front side of the frame 1, the inner wall of the positioning frame 201 is provided with a belt conveyor 202 for receiving the paper support, a baffle 203 positioned at the tail end of the belt conveyor 202 is fixed on the positioning frame 201, positioning cylinders 204 are fixed on the left side and the right side of the positioning frame 201, two positioning cylinders 204 are arranged oppositely, positioning plates 205 are fixed on output shafts of the two positioning cylinders 204, and positioning rods 206 penetrating through the positioning frame 201 are fixed on opposite sides of the two positioning plates 205.

The belt conveyor 202 is connected with conveying equipment of a processing machine, paper trays after processing are conveyed onto the belt conveyor 202, the paper trays are conveyed through the belt conveyor 202, the paper trays are blocked by the baffle 203 when moving to the tail end of the belt conveyor 202, the two positioning cylinders 204 are ejected, and the two positioning plates 205 move relatively, so that the paper trays can be positioned, and the subsequent paper trays can be stacked more neatly.

When the two positioning plates 205 move relatively, the two sets of positioning rods 206 also move relatively on the positioning frame 201, so that the movement of the positioning plates 205 is more stable.

After the paper support is accurately positioned through the positioning mechanism 2, the material taking mechanism 3 takes the paper support, as shown in fig. 3, the material taking mechanism 3 comprises an X-axis linear module 301 fixed on the frame 1, a Y-axis linear module 302 is fixed on an output shaft of the X-axis linear module 301, a Z-axis linear module 303 is fixed on an output end of the Y-axis linear module 302, and a material taking sucker 304 is fixed on an output shaft of the Z-axis linear module 303.

The other end of the Y-axis linear module 302 is arranged on the frame 1 through a limiting slide block and a limiting slide rail, the limiting slide block is fixed on the bottom surface of the right end of the Y-axis linear module 302, the limiting slide rail is fixed on the frame 1 and keeps horizontal with the X-axis linear module 301, and when the X-axis linear module 301 drives the Y-axis linear module 302 to move back and forth, the limiting slide block can slide back and forth on the limiting slide rail.

The direction of the material taking sucker 304 can be flexibly adjusted by the X-axis linear module 301, the Y-axis linear module 302 and the Z-axis linear module 303, so that the material taking sucker 304 is accurately abutted with a paper holder on the positioning mechanism 2, and the material taking sucker 304 is used for sucking a tray on the positioning mechanism 2 and then feeding the tray into the right material receiving mechanism 5.

The feeding mechanism 3 sends the first paper to the right receiving mechanism 5 for temporary storage, the feeding mechanism 3 returns to continuously feed materials, the feeding mechanism 3 is arranged in a feeding gap, the transfer mechanism 4 transfers the paper temporarily stored in the right receiving mechanism 5 to the left receiving mechanism 5, as shown in fig. 3, the transfer mechanism 4 comprises a horizontal linear module 401 fixed on the frame 1, an output shaft of the horizontal linear module 401 is fixed with a lifting cylinder 402, and an output shaft of the lifting cylinder 402 is fixed with a transfer sucker 403.

Under the initial position, transfer sucking disc 403 is located left side receipts material mechanism 5 top, material taking mechanism 3 holds in the palm the first piece paper and sends to right side receipts material mechanism 5 department and temporarily stores, material taking mechanism 3 is back, continue to get the material, at material taking mechanism 3 in the clearance of getting the material, horizontal straight line module 401's output is driven transfer sucking disc 403 to right side and is moved to right side receipts material mechanism 5 top, lifting cylinder 402 is ejecting, transfer sucking disc 403 holds in the palm the paper of holding in the temporary storage on right side receipts material mechanism 5 to drive it to left side receipts material mechanism 5 department through horizontal straight line module 401 again, pile up receipts material through left side receipts material mechanism 5, after the left side receipts material mechanism 5 piles up, transfer sucking disc 403 resets, material taking mechanism 3 holds in the palm the paper and sends to right side receipts material mechanism 5 and piles up.

The paper trays can be stacked neatly by the material receiving mechanism 5, as shown in fig. 5-7, the material receiving mechanism 5 comprises three groups of vertical limiting columns 501 fixed on the frame 1, the frame 1 is further provided with a vertical linear module 502, the output end of the vertical linear module 502 is fixedly provided with a moving plate 503, two bearing frames 504 symmetrically distributed are fixed on the moving plate 503, two pressing cylinders 505 are fixed on the two vertical limiting columns 501 oppositely arranged, the two pressing cylinders 505 are oppositely arranged, the output shafts of the two pressing cylinders 505 are fixedly provided with L-shaped pressing plates 506, the frame 1 is further provided with two material receiving frames 507, the frame 1 is fixedly provided with a material receiving linear module 508 positioned between the two material receiving frames 507, the output end of the material receiving linear module 508 is fixedly provided with a movable plate 509, the top surface of the movable plate 509 is fixedly provided with a jacking cylinder 510, the output end of the jacking cylinder 510 is fixedly provided with a jacking plate 511, the bottom surface of the jacking plate 511 is fixedly provided with a movable rod 512 penetrating through the movable plate 509, a supporting frame 513 is slidingly connected between the two material receiving frames 507, the frame 1 is provided with limiting plates 514, and the limiting plates 514 are arranged on the frame 1, and the limiting plates 514 are arranged at two ends of the paper trays and guide the paper trays to move outwards.

In the initial state, the compressing cylinder 505 is in a contracted state, the end face of the horizontal part of the L-shaped compressing plate 506 and the surface of the vertical limiting column 501 facing the paper holder are in the same plane, at the moment, the vertical linear module 502 drives the bearing frame 504 to rise to the topmost end through the moving plate 503, the bearing frame 504 can support the paper holder, the vertical limiting column 501 can limit the paper holder, the paper holder can be stacked on the bearing frame 504, the bearing frame 504 moves downwards slowly in the stacking process to enable the uppermost tray to be always at the same height, the feeding of the material taking mechanism 3 and the transferring mechanism 4 is facilitated, when the material is stacked to a proper height, the compressing cylinder 505 is ejected, the horizontal part of the L-shaped compressing plate 506 moves to the upper part of the uppermost paper holder, the bearing frame 504 is slightly lifted, a clamping force is formed between the bearing frame 504 and the L-shaped compressing plate 506, the paper holder can be stacked more tightly, and the trays can not fall loose in the subsequent material collecting process;

When receiving materials, the receiving linear module 508 drives the movable plate 509 to move between the two bearing frames 504 and right below the stacked paper trays, the jacking air cylinder 510 ejects, drives the jacking plate 511 to move upwards to support the stacked paper trays, slightly lifts the stacked paper trays upwards, separates the bottom surfaces of the stacked paper trays from the bearing frames 504, the receiving linear module 508 can drive the movable plate 509 to reset, the stacked paper trays move to the upper side of the supporting frame 513 under the guide of the limiting plate 514, the jacking air cylinder 510 retreats, the jacking plate 511 moves downwards, and the stacked paper trays can be supported by the supporting frame 513.

The handle is fixed on the supporting frame 513, so that the supporting frame 513 can be conveniently pulled out from the material receiving frame 507, and the stacked paper trays can be pulled out from the device.

In addition, a temporary storage plate is fixed above the L-shaped pressing plate 506 in the right receiving mechanism 5, a limiting groove is formed in the temporary storage plate, the pressing cylinder 505 is in an ejection state in the initial state of the right receiving mechanism 5, and the limiting grooves on the four temporary storage plates form a rectangular supporting space to temporarily store paper holders.

Through adopting above-mentioned paper support receipts material stacking device, realized the quick stack to the paper support, and the paper support after stacking is more neat, and the material receiving process is specifically as follows:

The belt conveyor 202 is connected with conveying equipment of a processing machine, paper trays after processing are conveyed onto the belt conveyor 202, the paper trays are conveyed through the belt conveyor 202, when moving to the tail end of the belt conveyor 202, the paper trays are blocked by the baffle 203, the two positioning cylinders 204 are ejected, and the two positioning plates 205 move relatively, so that the paper trays can be positioned, and the subsequent paper trays can be stacked more neatly;

The X-axis linear module 301, the Y-axis linear module 302 and the Z-axis linear module 303 can flexibly adjust the orientation of the material taking sucker 304, so that the material taking sucker 304 is accurately butted with a paper holder on the positioning mechanism 2, a tray on the positioning mechanism 2 is sucked by the material taking sucker 304 and then is sent to the position of the right material receiving mechanism 5, in an initial state, a pressing cylinder 505 of the right material receiving mechanism 5 is in an ejection state, limit grooves on four temporary storage plates form a rectangular supporting space to temporarily store the paper holder, the material taking mechanism 3 is retracted to continuously take materials, in a material taking gap of the material taking mechanism 3, an output end of the horizontal linear module 401 drives a transfer sucker 403 to move rightwards to the position above the right material receiving mechanism 5, a lifting cylinder 402 is ejected, the transfer sucker 403 drives the paper holder temporarily stored on the right material receiving mechanism 5 to move to the position of the left material receiving mechanism 5 again, after the stacking of the tray on the left material receiving mechanism 5 is completed by the left material receiving mechanism 5, the transfer sucker 403 is reset, the pressing cylinder 505 of the right material receiving mechanism 5 is contracted, and the right material receiving mechanism 506 is not blocked from the right material receiving mechanism 3;

As to how the receiving mechanism 5 performs receiving stacking, at this time, the compressing cylinder 505 is in a contracted state, the end surface of the horizontal part of the L-shaped compressing plate 506 is in the same plane with the surface of the vertical limiting column 501 facing the paper holder, at this time, the vertical linear module 502 drives the bearing frame 504 to rise to the topmost end through the moving plate 503, the bearing frame 504 can support the paper holder, the vertical limiting column 501 can limit the paper holder, the paper holder can be stacked on the bearing frame 504, the bearing frame 504 slowly moves downwards in the stacking process so that the uppermost tray is always at the same height, the feeding mechanism 3 and the transferring mechanism 4 are more convenient to perform feeding, when the stacking is performed to a proper height, the compressing cylinder 505 is ejected, the horizontal part of the L-shaped compressing plate 506 moves to the upper side of the uppermost paper holder, the bearing frame 504 slightly lifts, and a clamping force is formed between the bearing frame 504 and the L-shaped compressing plate 506, so that the paper holder can be stacked more tightly, and the tray can not fall down in the subsequent receiving process;

When receiving materials, the receiving linear module 508 drives the movable plate 509 to move between the two bearing frames 504 and right below the stacking paper holders, the jacking air cylinder 510 ejects, drives the jacking plate 511 to move upwards to support the stacking paper holders and slightly lift the stacking paper holders upwards, so that the bottom surfaces of the stacking paper holders are separated from the bearing frames 504, the receiving linear module 508 can drive the movable plate 509 to reset, the stacking paper holders move to the upper parts of the supporting frames 513 under the guide of the limiting plates 514, the jacking air cylinder 510 retreats, the jacking plate 511 moves downwards, the stacking paper holders can be supported by the supporting frames 513, and then the supporting frames 513 are pulled away from the receiving frames 507 through handles on the supporting frames 513, so that the stacking paper holders can be pulled out of the device.

The control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming by a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The paper support material collecting and stacking device is characterized by comprising a frame (1), wherein a positioning mechanism (2), a material taking mechanism (3), a transferring mechanism (4) and a material collecting mechanism (5) are sequentially arranged on the frame (1);

The positioning mechanism (2) comprises a positioning frame (201), a belt conveyor (202) is arranged on the positioning frame (201), a baffle (203) positioned at the tail end of the belt conveyor (202) is fixed on the positioning frame (201), and a positioning plate (205) capable of relatively moving is arranged on the positioning frame (201);

The material taking mechanism (3) comprises a material taking sucker (304) which can move back and forth, left and right and up and down;

The transfer mechanism (4) comprises a transfer sucker (403) which can move left and right and move up and down;

The material collecting mechanism (5) comprises three groups of vertical limiting columns (501) fixed on a frame (1), two bearing frames (504) capable of synchronously moving up and down are further arranged on the frame (1), two pressing cylinders (505) are fixed on the vertical limiting columns (501) which are oppositely arranged, the two pressing cylinders (505) are oppositely arranged, and L-shaped pressing plates (506) are fixed on output shafts of the pressing cylinders (505).

2. The paper stock collection stacking device of claim 1, wherein: the left side and the right side of locating rack (201) are all fixed with location cylinder (204), two location cylinder (204) set up relatively, and two the output shaft of location cylinder (204) is fixed in locating plate (205), two locating plate (205) are all fixed with locating lever (206) that run through locating rack (201) in opposite directions.

3. The paper stock collection stacking device of claim 1, wherein: the material taking mechanism (3) comprises an X-axis linear module (301) fixed on the frame (1), a Y-axis linear module (302) is fixed on an output shaft of the X-axis linear module (301), a Z-axis linear module (303) is fixed at an output end of the Y-axis linear module (302), and an output shaft of the Z-axis linear module (303) is fixed on a material taking sucker (304).

4. The paper stock collection stacking device of claim 1, wherein: the transfer mechanism (4) comprises a horizontal linear module (401) fixed on the frame (1), an output shaft of the horizontal linear module (401) is fixed with a lifting cylinder (402), and an output shaft of the lifting cylinder (402) is fixed on the transfer sucker (403).

5. The paper stock collection stacking device of claim 1, wherein: the machine frame (1) is further provided with a vertical linear module (502), the output end of the vertical linear module (502) is fixed with a moving plate (503), and the two bearing frames (504) are fixed on the moving plate (503).

6. The paper stock collection stacking device of claim 1, wherein: the automatic feeding and discharging device is characterized in that a feeding and discharging linear module (508) located between two feeding and discharging frames (507) is fixed on the frame (1), a movable plate (509) is fixed at the output end of the feeding and discharging linear module (508), a jacking cylinder (510) is fixed on the top surface of the movable plate (509), a jacking plate (511) is fixed at the output end of the jacking cylinder (510), and a supporting frame (513) is connected between the two feeding and discharging frames (507) in a sliding mode.

7. The paper stock collection stacking device of claim 6, wherein: the lifting device is characterized in that a limiting plate (514) is arranged on the frame (1), two ends of the limiting plate (514) are bent outwards, and a movable rod (512) penetrating through the movable plate (509) is fixed on the bottom surface of the lifting plate (511).

8. The paper stock collection stacking device of claim 1, wherein: the right side L type hold-down plate (506) top is fixed with the board of keeping in receiving mechanism (5), has seted up the spacing groove on the board of keeping in, and the spacing groove on four boards of keeping in constitutes rectangle supporting space for support the paper support.