CN215664325U

CN215664325U - Automatic drying agent cutting and feeding mechanism for reagent tray packaging equipment

Info

Publication number: CN215664325U
Application number: CN202121231273.9U
Authority: CN
Inventors: 赵楷; 邹良洪; 曾翔宇; 高桂; 范斌; 尚学东
Original assignee: Smart Diagnostic Technology Shenzhen Co ltd; Chengdu Polytech Biological Technology Co ltd
Current assignee: Smart Diagnostic Technology Shenzhen Co ltd; Chengdu Polytech Biological Technology Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-01-28
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses an automatic desiccant cutting and feeding mechanism for reagent disk packaging equipment, which comprises a feeding winding drum arranged on a rack of the reagent disk packaging equipment, an installation plate arranged on a plastic uptake box carrying module in the reagent disk packaging equipment, and a feeding assembly, a cutting assembly and a pushing assembly which are arranged on the installation plate; the feeding winding drum is used for providing a drying agent coil stock, the cutting assembly is used for pressing and cutting the drying agent coil stock conveyed by the feeding assembly, and the pushing assembly is used for pushing the drying agent bag which is cut into a single piece into a plastic uptake box on the plastic uptake box carrying module; wherein, the pay-off subassembly includes backup pad, motor, driving pulley and driven pulley, and the backup pad is vertical to be set up on the mounting panel. In actual use, the automatic feeding device can realize automatic feeding of the drying agent, effectively reduce the labor burden of workers and improve the production efficiency of products.

Description

Automatic drying agent cutting and feeding mechanism for reagent tray packaging equipment

Technical Field

The utility model relates to the technical field of reagent tray packaging equipment, in particular to an automatic drying agent cutting and feeding mechanism for reagent tray packaging equipment.

Background

Biochemical analyzers, also commonly referred to as biochemics, are instruments that use the principle of optoelectric colorimetry to measure a particular chemical component in a body fluid. Because of its fast measuring speed, high accuracy and small reagent consumption, it is widely used in hospitals, epidemic prevention stations and family planning service stations. The efficiency and the income of the conventional biochemical test can be greatly improved by matching the use; the automatic biochemical analyzer can perform analysis and measurement of various reaction types such as a timing method, a continuous monitoring method and the like. Besides the measurement of general biochemical items, the method can also be applied to the measurement of special compounds such as hormone, immunoglobulin, blood concentration and the like and analysis methods such as enzyme immunization, fluorescence immunization and the like; it has the characteristics of rapidness, simplicity, convenience, sensitivity, accuracy, standardization, trace and the like.

In practical use, when a biochemical analyzer is used, blood to be detected needs to be placed in a biochemical reagent tray, and the purpose of final detection can be achieved after the steps of centrifugation, heat preservation and the like. The types of samples that can be placed in the reagent tray for testing include serum, plasma, and whole blood.

When the biochemical reagent plate is produced, two steps are mainly needed, namely a step of adhering a reagent plate retainer ring and a step of packaging the reagent plate; the packaging step mainly comprises the steps of reagent tray feeding, plastic uptake box feeding, drying agent adding, plastic package cutting and labeling; due to the small structure of the reagent tray, special equipment is needed to complete the packaging steps of the reagent tray.

In actual production, generally, the drying agent is manually placed in the blister box, so that the production efficiency is low, and the labor burden of workers is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic drying agent cutting and feeding mechanism for reagent tray packaging equipment, which can realize automatic feeding of a drying agent in actual use, effectively reduce the labor burden of workers and improve the production efficiency of products.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

an automatic desiccant cutting and feeding mechanism for reagent tray packaging equipment comprises a feeding winding drum arranged on a rack of the reagent tray packaging equipment, an installation plate arranged on a plastic uptake box carrying module in the reagent tray packaging equipment, and a feeding assembly, a cutting assembly and a pushing assembly which are arranged on the installation plate;

the feeding winding drum is used for providing a drying agent coil stock, the cutting assembly is used for pressing and cutting the drying agent coil stock conveyed by the feeding assembly, and the pushing assembly is used for pushing the drying agent bag which is cut into a single piece into a plastic uptake box on the plastic uptake box carrying module;

the drying agent conveying device comprises a conveying component, a drying agent conveying component and a drying agent conveying component, wherein the conveying component comprises a supporting plate, a motor, a driving belt wheel and a driven belt wheel, the supporting plate is vertically arranged on an installation plate, the driving belt wheel and the driven belt wheel are rotatably arranged on the supporting plate, the driving belt wheel and the driven belt wheel are connected through a belt, and a drying agent moving channel is formed between the belt close to the installation plate and the installation plate; the driving belt wheel is connected with the motor.

Further optimize, be provided with the motor mount pad in the backup pad, the motor is fixed to be set up on the motor mount pad, and the output shaft of motor is connected with driving pulley through a shaft coupling.

Wherein, the driving belt wheel and the driven belt wheel are both tooth-shaped belt wheels, and the belt is a tooth-shaped belt.

The cutting assembly comprises an air cylinder, a first L-shaped support plate, a second L-shaped support plate, a cutter and a pressing assembly, the air cylinder is fixedly arranged on the mounting plate, the movable end of the air cylinder is connected with a transverse plate of the first L-shaped support plate, and the fixed end of the air cylinder is in sliding connection with a vertical plate of the first L-shaped support plate; the cutter is arranged on the vertical plate through a second L-shaped support plate, and a cutter relief groove is formed in the position, corresponding to the cutter, of the mounting plate; the pressing component is arranged on the transverse plate and used for pressing the drying agent coil stock.

Wherein the pressing component comprises a first pressing component and a second pressing component which are respectively arranged at two sides of the cutter,

the first pressing assembly and the second pressing assembly respectively comprise a guide rod, a guide cylinder, an end, a spring and a pressing head, the guide cylinder is installed on the transverse plate, the guide rod is in sliding fit with the guide cylinder, the lower end of the guide rod penetrates through the transverse plate and then is fixedly connected with the pressing head, the end is arranged at the upper end of the guide rod, the spring is sleeved on the guide rod, the upper end of the spring is connected with the transverse plate, the lower end of the spring is connected with the pressing head, and the end is pressed on the upper end face of the guide cylinder under the action of the spring.

Further limited, the pressing assembly further comprises a pressing plate, a groove is formed in the pressing plate, a pressing head in the first pressing assembly corresponds to the groove, and a first drying agent moving channel is formed between the pressing plate and the mounting plate.

Wherein, pushing away the material subassembly and including pushing away cylinder, connecting block and scraping wings, pushing away the fixed setting of cylinder on the mounting panel, the scraping wings passes through the connecting block to be connected with pushing away the expansion end of cylinder, is provided with the breach on the scraping wings, the breach shape is the same with drier material package shape, the breach with drier removal passageway aligns.

Further optimize, the connecting block passes through sliding assembly with the mounting panel and is connected.

The sliding assembly comprises a sliding block arranged on the connecting block and a sliding rail arranged on the mounting plate, and the sliding block is matched with the sliding rail.

Further optimize, be connected with the arc type baffle on the mounting panel, the arc type baffle is close to mounting panel one end opening little, keeps away from mounting panel one end opening big.

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

the utility model is mainly used for realizing the automatic feeding of the drying agent, and mainly comprises a feeding winding drum, a feeding assembly, a cutting assembly and a pushing assembly, wherein in the actual use, the feeding winding drum is used for winding the drying agent, a driving belt wheel and a driven belt wheel are driven to move by an arranged motor, so that the drying agent moves under the action of a belt, and then the drying agent is pressed and cut by the arranged cutting assembly; the cut drying agent is pushed to the plastic uptake box on the plastic uptake box carrying module through the arranged material pushing assembly, so that the automatic feeding of the drying agent is realized, the production efficiency can be effectively improved, and the action burden of workers is reduced; in addition, the utility model also has the advantage of simple structure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic view of the overall structure of the reagent tray packaging device of the present invention.

Reference numerals:

1-a rack, 2-an automatic reagent tray feeding mechanism, 3-a plastic uptake box automatic feeding device, 4-a plastic uptake box carrying module, 5-a drying agent automatic cutting and feeding mechanism, 6-a heat sealing device, 7-a packaging abdicating component, 8-an automatic labeling device, 9-a reagent tray and 10-a plastic uptake box;

501-a feeding reel, 502-a mounting plate, 503-a feeding component, 504-a cutting component, 505-a pushing component, 506-a desiccant bag, 507-a desiccant coil, 508-a support plate, 509-a motor, 510-a driving pulley, 511-a driven pulley, 512-a desiccant moving channel, 513-a motor mounting seat, 514-a coupler, 515-a cylinder, 516-a first L-shaped support plate, 517-a second L-shaped support plate, 518-a cutter, 519-a pressing component, 520-a transverse plate, 521-a vertical plate, 522-a cutter groove, 523-a first pressing component, 524-a second pressing component, 525-a guide rod, 526-a guide cylinder, 527-an end, 528-a spring, 529-a pressing head and 530-a pressing plate, 531-groove, 532-first desiccant moving channel, 533-pushing cylinder, 534-connecting block, 535-pushing plate, 536-notch, 537-sliding component, 538-sliding block, 539-sliding rail and 540-arc guide plate.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In embodiments of the utility model, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the utility model. To simplify the disclosure of embodiments of the utility model, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the utility model. Furthermore, embodiments of the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example one

In order that those skilled in the art will further understand the present invention, the present invention is further described below in connection with a specific reagent tray packaging apparatus:

referring to fig. 3, the reagent tray packaging equipment comprises a rack 1, a reagent tray automatic feeding mechanism 2, a plastic uptake box automatic feeding device 3, a plastic uptake box carrying module 4, a drying agent automatic cutting and feeding mechanism 5, a heat sealing device 6, a packaging abdicating component 7 and an automatic labeling device 8;

the reagent tray automatic feeding mechanism 2 is positioned at the right end of the rack 1, the plastic uptake box carrying module 4 is installed on the rack 1, the plastic uptake box automatic feeding device 3, the heat sealing device 6 and the automatic labeling device 8 are sequentially arranged on the plastic uptake box carrying module 4 from right to left, and the drying agent automatic cutting feeding mechanism 5 is installed on the plastic uptake box carrying module 4 and is positioned between the plastic uptake box automatic feeding device 3 and the heat sealing device 6; the packaging abdication component 7 is arranged on the plastic uptake box carrying module 4 and is positioned below the heat sealing device 6;

the reagent tray automatic feeding mechanism 2 is used for providing reagent trays 9 to be packaged;

the automatic plastic uptake box feeding device 3 is used for providing a plastic uptake box 10;

the plastic box carrying module 4 is used for carrying the plastic box 10 to move;

the drying agent automatic cutting and feeding mechanism 5 is used for cutting the drying agent and providing the drying agent into the plastic uptake box 10;

the heat sealing device 6 is used for carrying out plastic sealing on the plastic-absorbing box 10;

the automatic labeling device 8 is used for labeling the plastic-absorption box 10 after plastic packaging.

The automatic drying agent cutting and feeding mechanism is further explained as follows:

referring to fig. 1 and 2, the automatic desiccant cutting and feeding mechanism 5 includes a feeding reel 501 mounted on the frame 1 of the reagent tray packaging device, a mounting plate 502 mounted on the blister box carrying module 4 in the reagent tray packaging device, and a feeding assembly 503, a cutting assembly 504 and a pushing assembly 505 arranged on the mounting plate 502;

the feeding reel 501 is used for providing a desiccant roll 507, the cutting assembly 504 is used for pressing and cutting the desiccant roll 507 conveyed by the feeding assembly 503, and the pushing assembly 505 is used for pushing the desiccant packages 506 which are cut into single pieces into the blister boxes 10 on the blister box carrying module 4;

the feeding assembly 503 comprises a support plate 508, a motor 509, a driving pulley 510 and a driven pulley 511, the support plate 508 is vertically arranged on the mounting plate 502, the driving pulley 510 and the driven pulley 511 are rotatably arranged on the support plate 508, the driving pulley 510 and the driven pulley 511 are connected through a belt, and a desiccant moving channel 512 is formed between the belt close to the mounting plate 502 and the mounting plate 502; the driving pulley 510 is connected to a motor 509.

The utility model is mainly used for realizing the automatic feeding of the desiccant, and mainly comprises a feeding drum 501, a feeding assembly 503, a cutting assembly 504 and a pushing assembly 505, wherein in the practical use, the feeding drum 501 is used for winding the desiccant, a driving pulley 510 and a driven pulley 511 are driven to move by a set motor 509, so that the desiccant moves under the action of a belt, and then the desiccant is pressed and cut by the set cutting assembly 504; the cut drying agent is pushed to the plastic uptake box 10 on the plastic uptake box carrying module through the arranged material pushing assembly 505, so that the automatic feeding of the drying agent is realized, the production efficiency can be effectively improved, and the action burden of workers is reduced; in addition, the utility model also has the advantage of simple structure.

Wherein, further optimize, be provided with motor mount 513 on the backup pad 508, motor 509 fixes and sets up on motor mount 513, and the output shaft of motor 509 is connected with driving pulley 510 through a shaft coupling 514.

Further optimizing, the driving belt wheel and the driven belt wheel are both toothed belt wheels, and the belt is a toothed belt; therefore, the belt can be prevented from slipping in actual use, and the conveying of the drying agent coil materials is further ensured.

The cutting assembly 504 comprises an air cylinder 515, a first L-shaped support plate 516, a second L-shaped support plate 517, a cutter 518 and a pressing assembly 519, wherein the air cylinder 515 is fixedly arranged on the mounting plate 502, the movable end of the air cylinder 515 is connected with a transverse plate 520 of the first L-shaped support plate 516, and the fixed end of the air cylinder 515 is slidably connected with a vertical plate 521 of the first L-shaped support plate 516; the cutter 518 is arranged on the vertical plate 521 through a second L-shaped support plate 517, and a cutter relief groove 522 is arranged on the mounting plate 502 at a position corresponding to the cutter 518; the pressing component 519 is arranged on the transverse plate 520 and used for pressing the desiccant roll 507;

wherein, the pressing member 519 comprises a first pressing member 523 and a second pressing member 524, the first pressing member 523 and the second pressing member 524 are respectively disposed at two sides of the cutting knife 518,

the first pressing assembly and the second pressing assembly respectively comprise a guide rod 525, a guide cylinder 526, an end head 527, a spring 528 and a pressing head 529, the guide cylinder 526 is installed on the transverse plate 520, the guide rod 525 is in sliding fit with the guide cylinder 526, the lower end of the guide rod 525 penetrates through the transverse plate 520 and then is fixedly connected with the pressing head 529, the end head 527 is arranged at the upper end of the guide rod 525, the spring 528 is sleeved on the guide rod 525, the upper end of the spring 528 is connected with the transverse plate 520, the lower end of the spring 528 is connected with the pressing head 529, and under the action of the spring 528, the end head 527 presses the upper end face of the guide cylinder 526.

Thus, in practical use, the feeding assembly 503 is arranged to drive the desiccant roll 507 to move in the desiccant moving channel 512, after the desiccant moves below the first L-shaped support plate 516, the cylinder 515 drives the first L-shaped support plate 516 to move downward, the pressing heads 529 of the first pressing assembly 523 and the second pressing assembly 524 will press the desiccant on the mounting plate 502, at this time, the cylinder 515 drives the first L-shaped support plate 516 to move downward, and the cutter 518 cuts the desiccant and then passes through the knife-letting groove 522; at the moment, the air cylinder 515 drives the first L-shaped support plate 516 to reset, so that the automatic cutting of the desiccant roll 507 can be realized.

The pressing member 519 further includes a pressing plate 530, the pressing plate 530 is provided with a groove 531, a pressing head 529 of the first pressing member 523 corresponds to the groove 531, and a first desiccant moving channel 532 is formed between the pressing plate 530 and the mounting plate 502.

Like this, through the pressing board 530 that sets up, can press the more tight of coil stock with the drier of not cutting, it is more convenient when the cutting.

The pushing assembly 505 includes a pushing cylinder 533, a connecting block 534, and a pushing plate 535, the pushing cylinder 533 is fixedly disposed on the mounting plate 502, the pushing plate 535 is connected to the movable end of the pushing cylinder 533 through the connecting block 534, the pushing plate 535 is provided with a notch 536, the shape of the notch 536 is the same as that of the desiccant material bag 506, and the notch 536 is aligned with the desiccant moving channel 512.

Thus, in actual use, the desiccant roll located at the forefront enters the notch 536, at this time, after the desiccant roll 507 is cut, the desiccant bag 506 will be left in the notch 536 to push the material pushing plate 535 to move, so that the desiccant bag 506 moves along with the material pushing plate 535, and then the desiccant bag 506 is pushed into the blister box 10 on the blister box carrying module 4, and then the pushing cylinder 533 drives the material pushing plate 535 to reset, and when new desiccant moves into the notch 536 again, the new desiccant is cut again through the cutting assembly 504; thus, the automatic loading of the drying agent can be completed.

Example two

This embodiment is further optimized on the basis of the embodiment in which the connection block 534 is connected to the mounting plate 502 by the sliding assembly 537.

The sliding assembly 537 comprises a sliding block 538 arranged on the connecting block 534 and a sliding rail 539 arranged on the mounting plate 502, wherein the sliding block 538 and the sliding rail 539 are mutually matched.

Thus, in actual use, the connecting block 534 can be more stable when moving, and the stripper plate is more stable when pushing the desiccant material bag 506.

Alternatively, in actual use, the sliding component 537 may also be a sliding groove provided on the mounting plate 502, and a protrusion provided on the connecting block 534 capable of cooperating with the sliding groove.

Further preferably, the mounting plate 502 is connected with an arc guide plate 540, the opening of the arc guide plate 540 is small at the end close to the mounting plate 502, and the opening of the end far away from the mounting plate 502 is large.

The arc-shaped guide plate 540 can guide the desiccant coil 507, so that the desiccant coil 507 can better enter the desiccant moving channel 512 to guide the desiccant coil 507.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, it should be noted that any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a reagent dish is automatic feeding mechanism that cuts of drier for equipment for packing which characterized in that: the automatic feeding device comprises a feeding winding drum arranged on a rack of reagent tray packaging equipment, an installation plate arranged on a plastic uptake box carrying module in the reagent tray packaging equipment, and a feeding component, a cutting component and a pushing component which are arranged on the installation plate;

2. The automatic desiccant cutting and feeding mechanism for the reagent tray packaging equipment as claimed in claim 1, wherein: the supporting plate is provided with a motor mounting seat, the motor is fixedly arranged on the motor mounting seat, and an output shaft of the motor is connected with the driving belt wheel through a coupler.

3. The automatic desiccant cutting and feeding mechanism for the reagent tray packaging equipment as claimed in claim 1, wherein: the driving belt wheel and the driven belt wheel are both toothed belt wheels, and the belt is a toothed belt.

4. The automatic desiccant cutting and feeding mechanism for the reagent tray packaging equipment as claimed in claim 1, wherein: the cutting assembly comprises an air cylinder, a first L-shaped support plate, a second L-shaped support plate, a cutter and a pressing assembly, the air cylinder is fixedly arranged on the mounting plate, the movable end of the air cylinder is connected with a transverse plate of the first L-shaped support plate, and the fixed end of the air cylinder is in sliding connection with a vertical plate of the first L-shaped support plate; the cutter is arranged on the vertical plate through a second L-shaped support plate, and a cutter relief groove is formed in the position, corresponding to the cutter, of the mounting plate; the pressing component is arranged on the transverse plate and used for pressing the drying agent coil stock.

5. The automatic desiccant cutting and feeding mechanism for the reagent tray packaging equipment as claimed in claim 4, wherein: the pressing component comprises a first pressing component and a second pressing component which are respectively arranged at two sides of the cutter,

6. The automatic desiccant cutting and feeding mechanism for the reagent tray packaging equipment as claimed in claim 5, wherein: the pressing assembly further comprises a pressing plate, a groove is formed in the pressing plate, a pressing head in the first pressing assembly corresponds to the groove, and a first drying agent moving channel is formed between the pressing plate and the mounting plate.

7. The automatic desiccant cutting and feeding mechanism for the reagent tray packaging equipment as claimed in any one of claims 1 to 6, wherein: the material pushing assembly comprises a pushing cylinder, a connecting block and a material pushing plate, the pushing cylinder is fixedly arranged on the mounting plate, the material pushing plate is connected with the movable end of the pushing cylinder through the connecting block, a notch is formed in the material pushing plate, the shape of the notch is the same as that of a drying agent material bag, and the notch is aligned with the drying agent moving channel.

8. The automatic desiccant cutting and feeding mechanism for the reagent tray packaging equipment as claimed in claim 7, wherein: the connecting block is connected with the mounting plate through a sliding assembly.

9. The automatic desiccant cutting and feeding mechanism for the reagent tray packaging equipment as claimed in claim 8, wherein: the sliding assembly comprises a sliding block arranged on the connecting block and a sliding rail arranged on the mounting plate, and the sliding block is matched with the sliding rail.

10. The automatic desiccant cutting and feeding mechanism for the reagent tray packaging equipment as claimed in claim 7, wherein: the arc-shaped guide plate is connected onto the mounting plate, the opening of the arc-shaped guide plate close to one end of the mounting plate is small, and the opening of the arc-shaped guide plate far away from one end of the mounting plate is large.