CN114132777A - Film roll placing device convenient to replace - Google Patents

Abstract

The invention relates to the technical field of film roll placement, in particular to a film roll placement device convenient to replace, which comprises a fixed plate, wherein a clamping mechanism for mounting an integral structure on a shelf is mounted on the fixed plate, one side of the fixed plate, which is far away from the clamping mechanism, is rotatably connected with a placement mechanism for placing a film roll, a limiting mechanism penetrating through the fixed plate is mounted on the placement mechanism, a protection mechanism for pressing the film roll is mounted on the placement mechanism, a blocking mechanism for blocking the film roll is mounted on the placement mechanism, and a braking mechanism for braking the film roll is mounted on the blocking mechanism; the sales personnel is when packing the meat, pulls out the book membrane of a unit, presses the arrestment mechanism on the stop gear, realizes that arrestment mechanism expands and contradicts to the book membrane section of thick bamboo of placing in the mechanism, and a book membrane section of thick bamboo is unrotatable, and sales personnel's hand need not hold the membrane and roll up wholly can be rolled up spacingly to the membrane, avoids the membrane pollution of rolling up of not using, can not influence the packaging film that next customer took.

Description

Film roll placing device convenient to replace

Technical Field

The invention relates to the technical field of film roll placement, in particular to a film roll placement device convenient to replace.

Background

The film roll is the general name to the packaging film of lapping supply in the packing trade, also can be called the wrapping bag, can be applicable to the packing of products such as candy, snack food, flavouring, quick-frozen food, preserved szechuan pickle food, building materials, meat, daily chemicals, supermarket buy the dish district and can use a membrane roll placer when placing the film roll, and membrane roll placer generally is that an iron prop runs through the film roll, and the film roll rotates on the iron prop, and the personnel of selling goods pull a roll membrane (wrapping bag) and pack the dish class when selling the dish.

However, when the film roll is used in the meat selling area of the current supermarket, the film roll is usually directly placed on a horizontal or vertical iron column which is fixed on a shelf, a mechanism for braking the film roll is not arranged on the fixed column, and a seller directly holds the film roll to brake the film roll after taking meat, so that the film roll used next time on the surface of the film roll is contaminated with oil stains, and the taking of customers is influenced; and the angle between iron prop and the goods shelves is difficult to adjust, and the salesman can only pull the roll membrane in the level and the vertical direction when taking the packaging membrane, and inconvenient application of force is difficult to a quick roll membrane of tearing.

Disclosure of Invention

The invention provides a film roll placing device convenient to replace, aiming at the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a film roll placing device convenient to replace comprises a fixing plate, wherein a clamping mechanism for installing an integral structure on a shelf is installed on the fixing plate, one side, away from the clamping mechanism, of the fixing plate is rotatably connected with a placing mechanism for placing a film roll, a limiting mechanism penetrating through the fixing plate is installed on the placing mechanism, a protecting mechanism for pressing the film roll is installed on the placing mechanism, a blocking mechanism for blocking the film roll is installed on the placing mechanism, and a braking mechanism for braking the film roll is installed on the blocking mechanism;

the blocking mechanism comprises a rotating opening, the placing mechanism is provided with the rotating opening, the placing mechanism is slidably connected with an inner rod, a second spring is clamped between the inner rod and the placing mechanism, the inner rod is rotatably connected with a middle plate, a limiting ring which is in conflict with the middle plate is fixed on the inner rod, a torsional spring is clamped between the middle plate and the inner rod, a baffle is fixedly connected on the middle plate, the bottom of the baffle is fixedly connected with a bumping post, the braking mechanism comprises a pressing post, a pressing post is in threaded connection with the baffle, one end of the pressing post is embedded into the bumping post, a plurality of driving plates are in sliding connection in an annular array on the bumping post, opposite ends of the driving plates are obliquely arranged, the pressing post is in conflict with the driving plates, expansion plates which are in conflict with a film roll are fixedly connected on the driving plates, and fixing seats are fixedly connected on the driving plates, and a third spring is clamped between the fixed seat and the stop column.

Specifically, the cross sections of the expansion plates are of arc structures, and the two opposite driving plates are of isosceles trapezoid structures.

Specifically, the cross section of the inner rod is of an I-shaped structure, and the length of the middle plate positioned on the inner rod is larger than the width of the rotating opening.

Specifically, the placing mechanism includes two mounting panels, two relative fixedly connected with mounting panels on the fixed plate, two rotate between the mounting panel and be connected with the connecting plate, it sets up on the connecting plate to rotate the mouth, interior pole sliding connection is on the connecting plate, just the second spring centre gripping is between connecting plate and interior pole, fixedly connected with bottom plate on the connecting plate, fixedly connected with is used for placing the fixed column that the membrane was rolled up on the bottom plate.

Specifically, the connecting plate and the bottom plate are vertically arranged, and the fixing columns and the connecting plate are arranged in parallel.

Specifically, protection machanism includes two side bearers, two fixedly connected with side bearers on the connecting plate, two equal sliding connection has the slide on the side bearer, two equal centre gripping has first spring between slide and the side bearer, two equal fixedly connected with locating rack on the slide, two fixedly connected with connection piece between the locating rack, two rotate between the locating rack and be connected with the pivot parallel with the fixed column.

Specifically, the length of the rotating shaft is smaller than that of the fixing column, and the cross section of the positioning frame is of an L-shaped structure.

Specifically, stop gear includes the limiting plate, fixedly connected with is the limiting plate of arc structure, run through the fixed plate on the connecting plate, and the bottom equidistance of limiting plate is equipped with the recess, rotate on the fixed plate be connected with the tooth axle of the recess meshing on the limiting plate, fixedly connected with second fluted disc on the tooth axle, sliding connection has the first fluted disc with second fluted disc meshing on the fixed plate, threaded connection has and rotates the bolt of being connected between the first fluted disc on the fixed plate.

Specifically, fixture includes the curb plate, fixedly connected with cross-section is the curb plate of "L" shape structure on the fixed plate, sliding connection has the rack on the curb plate, threaded connection has and the rack on the curb plate between the handle of pivoted, the equidistance rotation is connected with a plurality ofly and rack toothing's gear on the curb plate, and is a plurality of the splint that equal fixedly connected with lateral wall slope set up on the gear.

Specifically, fixture still includes the rubber pad, and is a plurality of equal fixedly connected with on the splint and the rubber pad of fixed plate conflict.

The invention has the beneficial effects that:

(1) according to the film roll placing device convenient to replace, the blocking mechanism for blocking a roll film is arranged on the placing mechanism, the roll film cylinder is placed on the blocking mechanism and then limited through the blocking mechanism, the roll film is prevented from shaking, a seller pulls out a unit roll film when packaging meat, presses the braking mechanism on the blocking mechanism, expands the braking mechanism to abut against the roll film cylinder on the placing mechanism, the roll film cylinder cannot rotate at the moment, the seller can limit the roll film without holding the whole roll film, the pollution of unused roll films is avoided, and the next client can not be influenced to take the packaging film; namely: when a film roll on the fixed column is replaced, the baffle is pulled in the direction deviating from the fixed column, the inner rod is pulled by the middle plate in cooperation with the torsion spring, the inner rod ascends in the connecting plate at the moment, further, the second spring positioned between the inner rod and the connecting plate is expanded, the baffle is drawn out of a hole in the film roll at the moment, the baffle is further rotated by taking the inner rod as the circle center, the torsion spring is contracted, the baffle is rotated away from the top of the fixed column, a film winding drum on the fixed column can be taken out at the moment, a new film roll is placed on the fixed column, the baffle is reset, the torsion spring is expanded, the baffle is loosened after the baffle corresponds to the fixed column, the second spring is contracted, the baffle moves towards the fixed column, the baffle is embedded into the hole in the new film roll, and the limit of the film roll is realized; after the personnel of selling the meat have selected required meat for client, press the compression leg to the top direction of fixed column, realized that the compression leg promotes a plurality of drive plates of bumping post lateral wall, a plurality of third spring shrink between further fixing base and the bumping post, final a plurality of expansion plates are contradicted to the inner wall of membrane reel, and then realized rolling up the braking to the membrane, the sales personnel need not hold the membrane and roll up whole just can roll up spacingly to the membrane this moment, the manual oil stain of sales personnel can not pollute next roll membrane, do benefit to client's taking, and loosen the compression leg after the third spring drive the expansion plate and reset, the membrane is rolled up and can not be braked, and the bumping post still can be spacing to the axial of membrane book, the membrane book also can rotate, can not influence the pulling to rolling up the membrane.

(2) According to the film roll placing device convenient to replace, the limiting mechanism is arranged between the placing mechanism and the fixing plate, the placing mechanism can be rotated after the fixing plate is arranged on a goods shelf, the inclination angle of a film roll on the placing mechanism is adjusted, a client or a seller can tear a unit of rolled film more laborsavingly and conveniently, and the placing mechanism is limited through the limiting mechanism after the angle of the rolled film is adjusted; namely: after accomplishing the fixed plate is fixed, bolt on the anticlockwise rotation fixed plate, first fluted disc and second fluted disc have been realized separately, the tooth axle can rotate at will this moment, further the connecting plate of holding, use the mounting panel to rotate the connecting plate as the centre of a circle, the inclination of connecting plate has been adjusted, the angle of placing of membrane book has also been adjusted, do benefit to client or the salesman and make things convenient for laborsaving more and tear a book membrane bag, clockwise rotation bolt after the inclination of connecting plate has been confirmed, it promotes first fluted disc to have realized the bolt, further realization first fluted disc and the meshing of second fluted disc, the tooth axle can not rotate at will this moment, and then the limiting plate can not slide on the fixed plate, just so realized spacing to the connecting plate.

(3) According to the film roll placing device convenient to replace, the clamping mechanism is installed on one side of the fixing plate, one plate of the goods shelf is clamped between the clamping mechanism and the fixing mechanism, the clamping mechanism is rotated in the top direction of the fixing plate, the goods plate on the goods shelf is clamped, the operation on the top of the fixing plate is more convenient, and the problem that goods are blocked and difficult to operate when the goods shelf is operated is avoided; namely: when the installation fixed plate, carry out the centre gripping through curb plate and fixed plate to the goods shelves on, the handle at further anticlockwise rotation curb plate top, because rack sliding connection is on the curb plate, and rotate between handle and the rack, when the anticlockwise rotation handle, the promotion to the rack has been realized, when the rack promotes, because mesh between a plurality of wheels and rack, and then realized that the rack drives a plurality of gears clockwise, it conflicts to goods shelves to have driven splint when gear revolve, and the rubber pad has promoted the effect of centre gripping, realize the installation to the fixed plate, it is more convenient to operate at the top of curb plate, can not receive the influence of the inside goods of goods shelves.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the overall structure of a preferred embodiment of a roll-film placement device for easy replacement according to the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is an enlarged view of the portion B shown in FIG. 1;

FIG. 4 is a view showing the connection structure of the fixing plate, the side plate, the handle, the rack and the clamping plate according to the present invention;

FIG. 5 is an enlarged view of the structure of the portion C shown in FIG. 4;

FIG. 6 is a schematic view of a connection structure of the fixing plate, the limiting plate, the gear shaft, the first gear plate, the second gear plate and the bolt according to the present invention;

FIG. 7 is a schematic view of the connection structure of the fixing plate, the side frame, the sliding plate, the connecting plate, the first spring, the inner rod and the baffle according to the present invention;

FIG. 8 is an enlarged view of the structure of the portion D shown in FIG. 7;

FIG. 9 is an enlarged view of the structure of the section E shown in FIG. 7

In the figure: 1. a fixing plate; 2. a clamping mechanism; 201. a side plate; 202. a handle; 203. a rack; 204. A splint; 205. a gear; 206. a rubber pad; 3. a placement mechanism; 301. mounting a plate; 302. a connecting plate; 303. a base plate; 304. fixing a column; 4. a limiting mechanism; 401. a limiting plate; 402. a bolt; 403. a first fluted disc; 404. a second fluted disc; 405. a gear shaft; 5. a protection mechanism; 501. a positioning frame; 502. connecting sheets; 503. a rotating shaft; 504. a side frame; 505. a slide plate; 506. a first spring; 6. A blocking mechanism; 601. a rotation port; 602. a middle plate; 603. a baffle plate; 604. a bumping post; 605. an inner rod; 606. a second spring; 607. a limiting ring; 608. a torsion spring; 7. a brake mechanism; 701. an expansion plate; 702. pressing the column; 703. a drive plate; 704. a fixed seat; 705. and a third spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 9, the film roll placing device convenient to replace, provided by the invention, comprises a fixing plate 1, wherein a clamping mechanism 2 for mounting an integral structure on a shelf is mounted on the fixing plate 1, a placing mechanism 3 for placing a film roll is rotatably connected to one side of the fixing plate 1, which is far away from the clamping mechanism 2, a limiting mechanism 4 penetrating through the fixing plate 1 is mounted on the placing mechanism 3, a protecting mechanism 5 for pressing the film roll is mounted on the placing mechanism 3, a blocking mechanism 6 for blocking the film roll is mounted on the placing mechanism 3, and a braking mechanism 7 for braking the film roll is mounted on the blocking mechanism 6;

the blocking mechanism 6 comprises a rotating opening 601, the placing mechanism 3 is provided with the rotating opening 601, the placing mechanism 3 is connected with an inner rod 605 in a sliding manner, a second spring 606 is clamped between the inner rod 605 and the placing mechanism 3, the inner rod 605 is connected with a middle plate 602 in a rotating manner, a limiting ring 607 which is abutted against the middle plate 602 is fixed on the inner rod 605, a torsion spring 608 is clamped between the middle plate 602 and the inner rod 605, a baffle 603 is fixedly connected on the middle plate 602, a stop column 604 is fixedly connected at the bottom of the baffle 603, the cross section of the inner rod 605 is in an I-shaped structure, the length of the middle plate 602 on the inner rod 605 is larger than the width of the rotating opening 601, the braking mechanism 7 comprises a pressure column 702, the baffle 603 is connected with the pressure column 702 in a threaded manner, one end of the pressure column 702 is embedded into the stop column 604, an annular array is connected with a plurality of driving plates 703 in a sliding manner, the opposite ends of the driving plates 703 are obliquely arranged, the pressing column 702 abuts against the driving plates 703, the driving plates 703 are fixedly connected with expansion plates 701 abutting against film rolls, the driving plates 703 are fixedly connected with fixing seats 704, third springs 705 are clamped between the fixing seats 704 and the baffle columns 604, the cross sections of the expansion plates 701 are arc-shaped, the two opposite driving plates 703 are isosceles trapezoid-shaped, when a film roll on the fixing column 304 is replaced, the baffle 603 is pulled in a direction away from the fixing column 304, the middle plate 602 is matched with the torsion spring 608 to pull the inner rod 605, at the moment, the inner rod 605 rises inside the connecting plate 302, and then the second springs 606 between the inner rod 605 and the connecting plate 302 are opened, at this time, the blocking column 604 is drawn out from the hole on the film roll, the blocking plate 603 is further rotated by taking the inner rod 605 as a circle center, the torsion spring 608 is contracted, the blocking plate 603 is rotated away from the top of the fixed column 304, the film roll on the fixed column 304 can be taken out at this time, a new film roll is placed on the fixed column 304, the blocking plate 603 is reset, the torsion spring 608 is expanded, the blocking plate 603 is released after the blocking column 604 corresponds to the fixed column 304, the contraction of the second spring 606 is realized, the blocking column 604 moves towards the fixed column 304, and the blocking column 604 is embedded into the hole on the new film roll, so that the limiting of the film roll is realized; after the meat selling person selects the required meat for the customer, the pressing column 702 is pressed towards the top of the fixing column 304, so that the pressing column 702 pushes the driving plates 703 on the side wall of the retaining column 604, the third springs 705 between the fixing seat 704 and the retaining column 604 are further contracted, and finally the expansion plates 701 abut against the inner wall of the film reel, thereby realizing the braking of the film roll, the seller can limit the film roll without holding the whole film roll, the oil stain on the hand of the seller can not pollute the next film roll, the seller is beneficial to taking the film roll, and after the compression leg 702 is released, the third spring 705 drives the expansion plate 701 to reset, the film roll cannot be braked, and the bumping post 604 can still limit the axial direction of the film roll, and the film roll can also rotate, thereby not influencing the pulling of the rolled film.

Specifically, the placing mechanism 3 includes two mounting plates 301, the two mounting plates 301 are relatively and fixedly connected to the fixing plate 1, a connecting plate 302 is rotatably connected between the two mounting plates 301, the rotating port 601 is formed in the connecting plate 302, the inner rod 605 is slidably connected to the connecting plate 302, the second spring 606 is clamped between the connecting plate 302 and the inner rod 605, the connecting plate 302 is fixedly connected to a bottom plate 303, a fixing column 304 for placing a film roll is fixedly connected to the bottom plate 303, the connecting plate 302 and the bottom plate 303 are vertically arranged, the fixing column 304 and the connecting plate 302 are arranged in parallel, after the inclination angle of the connecting plate 302 is determined, the baffle 603 is pulled in a direction deviating from the fixing column 304, the baffle 603 is further rotated horizontally, and the blocking column 604 and the fixing column 304 are not corresponding to each other, the film roll is inserted on the fixing column 304, the bottom of the film roll is abutted against the bottom plate 303, the baffle 603 is loosened in the slow horizontal direction, so that the baffle column 604 is reset to the top of the fixing column 304 by the torsion spring 608, the middle plate 602 is reset by the second spring 606 after the baffle 603 is loosened, the baffle column 604 is embedded into a hole in the film roll, and the film roll is placed and limited.

Specifically, the protection mechanism 5 includes two side frames 504, the two side frames 504 are fixedly connected to the connecting plate 302, sliding plates 505 are slidably connected to the two side frames 504, first springs 506 are clamped between the two sliding plates 505 and the side frames 504, positioning frames 501 are fixedly connected to the two sliding plates 505, a connecting plate 502 is fixedly connected between the two positioning frames 501, a rotating shaft 503 parallel to the fixing column 304 is rotatably connected between the two positioning frames 501, the length of the rotating shaft 503 is smaller than that of the fixing column 304, the cross section of each positioning frame 501 is in an "L" shaped structure, when a film is placed on the fixing column 304, the connecting plate 502 is pulled in a direction deviating from the fixing column 304, so that the connecting plate 502 simultaneously drives the two positioning frames 501 to move in a direction deviating from the fixing column 304, and the two sliding plates 505 slide out of the inside of the side frames 504, two first springs 506 open, and pivot 503 also deviates from the direction removal of fixed column 304, with the membrane book insert on the fixed column 304 back the connection piece 502 of loosening, realized two first spring 506 resets, further realized pivot 503 with the membrane book conflict on the fixed column 304, realized rolling up the protection of membrane, avoid loosely, when dragging the roll membrane pivot 503 rotates, can not cause the roll membrane card to block.

Specifically, the limiting mechanism 4 includes a limiting plate 401, the limiting plate 401 which is of an arc-shaped structure and penetrates through the fixing plate 1 is fixedly connected to the connecting plate 302, a groove is formed in the bottom of the limiting plate 401 at an equal distance, a gear shaft 405 which is meshed with the groove in the limiting plate 401 is rotatably connected to the fixing plate 1, a second gear disc 404 is fixedly connected to the gear shaft 405, a first gear disc 403 which is meshed with the second gear disc 404 is slidably connected to the fixing plate 1, a bolt 402 which is rotatably connected to the first gear disc 403 is connected to the fixing plate 1 through threads, after the fixing of the fixing plate 1 is completed, the bolt 402 on the fixing plate 1 is rotated counterclockwise, the first gear disc 404 and the second gear disc 404 are separated, at the moment, the gear shaft 405 can rotate at will, the connecting plate 302 is further held, and the connecting plate 302 is rotated by using the mounting plate 301 as the center of a circle, adjust connecting plate 302's inclination, the angle of placing that has also adjusted the membrane book does benefit to client or the personnel of selling convenient laborsaving tearing a roll membrane bag more, confirms well clockwise rotation behind connecting plate 302's inclination bolt 402 has realized bolt 402 will first fluted disc 403 promotes, further realization first fluted disc 403 with second fluted disc 404 meshing, this moment the tooth axle 405 can not rotate at will, and then limiting plate 401 can not slide on fixed plate 1, just so realized right connecting plate 302 is spacing.

Specifically, the clamping mechanism 2 includes a side plate 201, the side plate 201 with an inverted L-shaped cross section is fixedly connected to the fixing plate 1, a rack 203 is slidably connected to the side plate 201, a handle 202 rotatably connected to the rack 203 is screwed to the side plate 201, a plurality of gears 205 engaged with the rack 203 are equidistantly rotatably connected to the side plate 201, a plurality of clamping plates 204 with side walls obliquely arranged are fixedly connected to the gears 205, the clamping mechanism 2 further includes a rubber pad 206, and a plurality of rubber pads 206 abutting against the fixing plate 1 are fixedly connected to the clamping plates 204, so that when the fixing plate 1 is installed, the cargo plates on the shelf are clamped by the side plate 201 and the fixing plate 1, the handle 202 at the top of the side plate 201 further rotates counterclockwise is slidably connected to the side plate 201 by the rack 203, just handle 202 with rotate between the rack 203, anticlockwise rotation when handle 202, realized right rack 203's promotion when rack 203 promotes, because it is a plurality of gear 205 with mesh between the rack 203, and then realized rack 203 drives a plurality of gear 205 clockwise rotates gear 205 has driven when gear 205 rotates splint 204 is contradicted to the goods shelves, just rubber pad 206 has promoted the effect of centre gripping, and the realization is right the installation of fixed plate 1 the top operation of curb plate 201 is more convenient, can not receive the influence of the inside goods of goods shelves.

When the rack is used, firstly, when the fixing plate 1 is installed, a cargo plate on a rack is clamped through the side plate 201 and the fixing plate 1, the handle 202 at the top of the side plate 201 is further rotated anticlockwise, the rack 203 is connected to the side plate 201 in a sliding mode, the handle 202 and the rack 203 rotate, when the handle 202 is rotated anticlockwise, the rack 203 is lifted, when the rack 203 is lifted, the rack 203 drives the gears 205 to rotate clockwise due to the fact that the gears 205 are meshed with the rack 203, the clamping plate 204 is driven to abut against the rack when the gears 205 rotate, the rubber pad 206 improves the clamping effect, the fixing plate 1 is installed, the operation at the top of the side plate 201 is more convenient, and the influence of cargoes inside the rack cannot be caused; then, after the fixing of the fixing plate 1 is completed, the bolt 402 on the fixing plate 1 is rotated anticlockwise, so that the first fluted disc 403 and the second fluted disc 404 are separated, at the moment, the fluted shaft 405 can rotate freely, the connecting plate 302 is further held, the connecting plate 302 is rotated by taking the mounting plate 301 as a circle center, the inclination angle of the connecting plate 302 is adjusted, namely, the placement angle of a film roll is adjusted, a film roll bag can be torn conveniently and laborsavingly by a customer or a seller, the bolt 402 is rotated clockwise after the inclination angle of the connecting plate 302 is determined, the bolt 402 pushes the first fluted disc 403, the first fluted disc 403 is further meshed with the second fluted disc 404, at the moment, the fluted shaft 405 cannot rotate freely, the limiting plate 401 cannot slide on the fixing plate 1, and the limiting of the connecting plate 302 is realized; then, after the inclination angle of the connecting plate 302 is determined, the baffle 603 is pulled in the direction away from the fixed column 304, the baffle 603 is further horizontally rotated, the fact that the retaining column 604 does not correspond to the fixed column 304 is achieved, the film roll is inserted onto the fixed column 304, the bottom of the film roll is abutted to the bottom plate 303, the baffle 603 is loosened in the slow horizontal direction, the fact that the retaining column 604 is reset to the top of the fixed column 304 through the torsion spring 608 is achieved, the middle plate 602 is reset through the second spring 606 after the baffle 603 is loosened, the retaining column 604 is embedded into a hole in the film roll, and placement and limiting of the film roll are achieved; when a film roll is placed on the fixed column 304, the connecting sheet 502 is pulled in the direction departing from the fixed column 304, the connecting sheet 502 simultaneously drives the two positioning frames 501 to move in the direction departing from the fixed column 304, the two sliding plates 505 slide out of the side frames 504, the two first springs 506 are unfolded, the rotating shaft 503 also moves in the direction departing from the fixed column 304, the connecting sheet 502 is loosened after the film roll is inserted on the fixed column 304, the two first springs 506 are reset, the rotating shaft 503 is further abutted against the film roll on the fixed column 304, the film roll is protected, loosening is avoided, the rotating shaft 503 rotates when the film roll is pulled, and the film roll cannot be jammed; finally, when the film roll on the fixed column 304 is replaced, the baffle 603 is pulled in the direction away from the fixed column 304, so that the middle plate 602 is matched with the torsion spring 608 to pull the inner rod 605, at the moment, the inner rod 605 ascends in the connecting plate 302, furthermore, the second spring 606 located between the inner rod 605 and the connecting plate 302 is expanded, at this time, the blocking column 604 is drawn out from the hole on the film roll, the blocking plate 603 is further rotated by taking the inner rod 605 as a center of circle, so that the contraction of the torsion spring 608 is realized, the blocking plate 603 is rotated away from the top of the fixed column 304, at this time, the film roll on the fixed column 304 can be taken out, a new film roll is placed on the fixed column 304, the blocking plate 603 is reset, the torsion spring 608 is expanded, the blocking plate 603 is released after the blocking column 604 corresponds to the fixed column 304, the contraction of the second spring 606 is realized, the blocking column 604 moves towards the fixed column 304, the blocking column 604 is embedded into the hole on the new film roll, and the limiting of the film roll is realized; after the personnel of selling meat selected required meat for client, press compression leg 702 to the top direction of fixed column 304, realized that compression leg 702 promotes a plurality of drive plates 703 of bumping post 604 lateral wall, a plurality of third spring 705 between further fixing base 704 and the bumping post 604 shrink, finally a plurality of expansion plate 701 contradict to the inner wall of membrane reel, and then realized the braking to the membrane book, it is whole just can to roll up spacingly to the membrane that the personnel of selling need not hold the membrane this moment, the oil stain of selling on hand personnel can not pollute next roll membrane, do benefit to client's taking, and loosen third spring 705 after compression leg 702 and drive expansion plate 701 and reset, the membrane book can not braked, and bumping post 604 still can be spacing to the axial of membrane book, the membrane book also can rotate, can not influence the pulling to rolling up the membrane.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The film roll placing device convenient to replace is characterized by comprising a fixing plate (1), wherein a clamping mechanism (2) for installing the whole structure on a shelf is installed on the fixing plate (1), one side, away from the clamping mechanism (2), of the fixing plate (1) is rotatably connected with a placing mechanism (3) for placing a film roll, a limiting mechanism (4) penetrating through the fixing plate (1) is installed on the placing mechanism (3), a protective mechanism (5) for pressing the film roll is installed on the placing mechanism (3), a blocking mechanism (6) for blocking the film roll is installed on the placing mechanism (3), and a braking mechanism (7) for braking the film roll is installed on the blocking mechanism (6);

the blocking mechanism (6) comprises a rotating opening (601), the placing mechanism (3) is provided with the rotating opening (601), the placing mechanism (3) is connected with an inner rod (605) in a sliding manner, a second spring (606) is clamped between the inner rod (605) and the placing mechanism (3), the inner rod (605) is connected with a middle plate (602) in a rotating manner, a limiting ring (607) which is abutted against the middle plate (602) is fixed on the inner rod (605), a torsion spring (608) is clamped between the middle plate (602) and the inner rod (605), a baffle (603) is fixedly connected on the middle plate (602), a blocking column (604) is fixedly connected at the bottom of the baffle (603), the braking mechanism (7) comprises a pressing column (702), the pressing column (702) is connected on the baffle (603) in a threaded manner, one end of the pressing column (702) is embedded into the blocking column (604), annular array sliding connection has a plurality of drive plates (703) on bumping post (604), and is a plurality of the looks remote site of drive plate (703) is the slope setting, just pressure post (702) contradicts with a plurality of drive plates (703), and is a plurality of equal fixedly connected with is rolled up expansion board (701) of contradicting with the membrane on drive plate (703), and is a plurality of equal fixedly connected with fixing base (704) is a plurality of all centre gripping has third spring (705) between fixing base (704) and bumping post (604).

2. A roll-of-film placement device for facilitating replacement as claimed in claim 1, wherein: the cross sections of the expansion plates (701) are of arc structures, and an isosceles trapezoid structure is formed between the two opposite driving plates (703).

3. A roll-of-film placement device for facilitating replacement as claimed in claim 1, wherein: the section of the inner rod (605) is in an I-shaped structure, and the length of the middle plate (602) positioned on the inner rod (605) is larger than the width of the rotating opening (601).

4. A roll-of-film placement device for facilitating replacement as claimed in claim 1, wherein: the placing mechanism (3) comprises two mounting plates (301), the fixing plate (1) is fixedly connected with the two mounting plates (301) relatively, a connecting plate (302) is connected between the two mounting plates (301) in a rotating mode, a rotating opening (601) is formed in the connecting plate (302), the inner rod (605) is connected to the connecting plate (302) in a sliding mode, the second spring (606) is clamped between the connecting plate (302) and the inner rod (605), the connecting plate (302) is fixedly connected with a bottom plate (303), and the bottom plate (303) is fixedly connected with a fixing column (304) used for placing a film roll.

5. A roll-of-film placement device for facilitating replacement as claimed in claim 4, wherein: the connecting plate (302) and the bottom plate (303) are vertically arranged, and the fixing columns (304) and the connecting plate (302) are arranged in parallel.

6. A roll-of-film placement device for facilitating replacement as claimed in claim 4, wherein: the protection mechanism (5) comprises two side frames (504), two side frames (504) are fixedly connected to the connecting plate (302), two sliding plates (505) are connected to the side frames (504) in a sliding mode, a first spring (506) is clamped between each sliding plate (505) and each side frame (504), two positioning frames (501) are fixedly connected to the sliding plates (505), two connecting plates (502) are fixedly connected between the positioning frames (501), and two rotating shafts (503) parallel to the fixing columns (304) are rotatably connected between the positioning frames (501).

7. A roll-of-film placement device for facilitating replacement as claimed in claim 6, wherein: the length of the rotating shaft (503) is smaller than that of the fixing column (304), and the cross section of the positioning frame (501) is of an L-shaped structure.

8. A roll-of-film placement device for facilitating replacement as claimed in claim 4, wherein: stop gear (4) include limiting plate (401), fixedly connected with is limiting plate (401) of arc structure, runs through fixed plate (1) on connecting plate (302), and the bottom equidistance of limiting plate (401) is equipped with the recess, rotate on fixed plate (1) be connected with limiting plate (401) on groove engagement's tooth axle (405), fixedly connected with second fluted disc (404) on tooth axle (405), sliding connection has first fluted disc (403) with second fluted disc (404) meshing on fixed plate (1), threaded connection has on fixed plate (1) and rotates bolt (402) of being connected between first fluted disc (403).

9. A roll-of-film placement device for facilitating replacement as claimed in claim 1, wherein: fixture (2) are including curb plate (201), fixedly connected with cross-section is curb plate (201) of "L" shape structure on fixed plate (1), sliding connection has rack (203) on curb plate (201), threaded connection has handle (202) of being connected with between rack (203) on curb plate (201), equidistant rotation is connected with a plurality of gears (205) with rack (203) meshing on curb plate (201), and is a plurality of splint (204) that equal fixedly connected with lateral wall slope set up on gear (205).

10. A roll-of-film placement device for facilitating replacement as claimed in claim 9, wherein: fixture (2) still include rubber pad (206), a plurality of equal fixedly connected with is contradicted with fixed plate (1) rubber pad (206) on splint (204).

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