CN116619917B - Photo machine paper pressing device capable of adjusting paper pressing force in pressing mode - Google Patents
Photo machine paper pressing device capable of adjusting paper pressing force in pressing mode Download PDFInfo
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- CN116619917B CN116619917B CN202310527387.5A CN202310527387A CN116619917B CN 116619917 B CN116619917 B CN 116619917B CN 202310527387 A CN202310527387 A CN 202310527387A CN 116619917 B CN116619917 B CN 116619917B
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- telescopic structure
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- 238000003825 pressing Methods 0.000 title claims abstract description 109
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000007639 printing Methods 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/02—Platens
- B41J11/04—Roller platens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/18—Platen-impression arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to the technical field of paper presses, in particular to a paper press of a photo machine, which realizes the adjustment of paper pressing force in a pressing mode, and comprises a support part arranged on the photo machine and a wheel plate part rotatably connected to the lower part of the support part, wherein the front end of the wheel plate part is provided with a roller wheel for pressing paper, the wheel plate part is also connected with a tension spring for driving the front end of the wheel plate part to press downwards, and the support part is provided with an adjusting part for adjusting the tension force of the tension spring; the adjusting component comprises a first hanging lug for pulling the other end of the tension spring, a rotary table which is rotationally connected to the support component and used for changing the position of the first hanging lug so as to adjust the stretching force of the tension spring, a manual pressing piece which is vertically connected to the axis of the rotary table and used for manually operating the rotary table to rotate, and a clamping component which is arranged on the support component and used for locking the rotary table; the user can adjust the pressure of the paper pressing device of the photo machine only by pressing the manual pressing piece.
Description
Technical Field
The utility model relates to the technical field of paper presses, in particular to a photo machine paper press which can realize the adjustment of paper pressing force in a pressing mode.
Background
The paper pressing device is one of important parts of the photo machine, and in the spray printing process of the spray printing industry, thick or hard printing media are easy to feed paper relative to the machine, so that a driving piece slips, and the printing length is caused to have errors; the thin printing medium can shrink or expand after ink absorption, the printed area is wrinkled randomly, and the wrinkled medium can scratch the nozzle due to the fact that the distance between the nozzle of the printer and the surface of the medium is relatively short, so that the ink pollutes a normal picture, and a jet printing product is scrapped. These problems occur in relation to the amount of pressure of the platen against the print medium.
Therefore, the existing paper pressing device is manufactured to be capable of adjusting the pressure, such as the high-efficiency paper pressing device applied to the jet printing technology, disclosed in patent application publication No. CN216942379U, the sliding adjusting piece is in sliding fit with the slideway to drive the positioning rotating shaft to rotate by breaking the sliding adjusting piece, so that the position of the first hanging lug, which deviates from the circle center, on the positioning rotating shaft is changed, the distance between the first hanging lug and the second hanging lug is changed, and the tension spring is in different stretching states according to the change of the distance, so that the paper pressing force is adjusted; however, due to the fact that the sliding adjusting piece is matched with the structural design of the spiral slideway, the sliding adjusting piece is required to be moved by a user with larger force due to the reverse acting force of the tension spring, the sliding adjusting piece is required to be broken with force, the operation force is larger, the sliding adjusting piece moves along the sliding rod and cannot reduce the breaking force by means of the lever principle, the breaking position of the sliding adjusting piece is required to be set as close as possible to the sliding rod, otherwise, the sliding adjusting piece is extremely damaged in the breaking process, namely the breaking position of the sliding adjusting piece cannot be manufactured to a position extending out of the front end of the paper pressing device, and because the sliding adjusting piece transversely moves, the size of the sliding adjusting piece is designed to be smaller, and the user is difficult to borrow force; in this regard, a new solution is needed to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.
The paper pressing device of the photo machine for realizing paper pressing force adjustment in a pressing mode comprises a support part arranged on the photo machine and a wheel plate part rotatably connected to the lower part of the support part, wherein the front end of the wheel plate part is provided with a roller wheel for pressing paper, the wheel plate part is also connected with a tension spring for driving the front end of the wheel plate part to downwards press, and the support part is provided with an adjusting part for adjusting the tension force of the tension spring;
the adjusting component comprises a first hanging lug for pulling the other end of the tension spring, a rotary table which is rotationally connected to the support component and used for changing the position of the first hanging lug so as to adjust the stretching force of the tension spring, a manual pressing piece which is vertically connected to the axis of the rotary table and used for manually operating the rotary table to rotate, and a clamping component which is arranged on the support component and used for locking the rotary table;
the clamping component comprises an elastic sliding structure which is connected to the support component in a sliding manner and an elastic telescopic structure which is connected to the elastic sliding structure in a telescopic manner and used for clamping the turntable, an initial position is arranged on the turntable, the side part of the elastic telescopic structure is propped against the initial position when the tension spring is in a minimum tension state, a plurality of clamping parts which are sequentially matched with the side part of the elastic telescopic structure in a clamping manner are also arranged on the turntable, and a forward guide surface is connected between two adjacent clamping parts and between the first clamping part and the initial position;
when the manual pressing piece is operated to enable the turntable to rotate forwards against the tensile force of the tension spring, the elastic telescopic structure enables the elastic sliding structure to slide along the direction overcoming the elastic force of the elastic telescopic structure through the guide of the forward guide surface, and the elastic sliding structure is enabled to slide along the elastic force direction by being separated from each forward guide surface until the elastic telescopic structure is clamped on each clamping part in sequence, so that the reverse rotation of the turntable is limited;
a reverse reset channel extending to an initial position is formed at the last clamping part, after the elastic telescopic structure enters the last clamping part, the elastic sliding structure further drives the elastic telescopic structure to enter the reverse reset channel along the elastic direction of the elastic telescopic structure, so that the rotary table loses the blocking fit between the elastic telescopic structure and the clamping part, the elastic telescopic structure is reversely rotated by the acting force of a tension spring after the manual pressing piece is released, and the elastic telescopic structure elastically contracts along the reverse reset channel and finally stretches out to be abutted to the initial position along the initial position; the initial position, the clamping part, the forward guide surface and the reverse reset channel jointly form a gear shifting structure in abutting fit with the elastic telescopic structure.
Preferably, the elastic telescopic structure overcomes the elasticity of the elastic sliding structure through the guide of the forward guide surface and moves in the direction away from the axis of the turntable, and the elastic telescopic structure is driven to move in the direction close to the axis of the turntable through the elasticity of the elastic sliding structure after being separated from the forward guide surface to be clamped on the clamping part or butted in the reverse reset channel.
Preferably, the joint position has the butt face that is used for the butt to cooperate in elastic expansion structure lateral part, and the concave cambered surface links up with its forward guide surface that corresponds of butt face, and the other end of butt face links up with the forward guide surface of last joint position and personally submits protruding cambered surface, makes a plurality of joint positions pass through forward guide surface in proper order and connects to form a forward track of shifting of coiling along the carousel axis, and elastic expansion structure is through the lateral part along the forward track of shifting card in proper order to each joint position carry out the position of keeping in touch with more than one and adjust first hangers.
Preferably, the reverse reset channel is provided with a reverse guide surface which is abutted against the elastic telescopic structure, and the reverse guide surface is a spiral surface wound along the axis of the turntable, so that one end of the reverse guide surface is connected with the end surface of the turntable, and an initial position for abutted against the elastic telescopic structure is formed between the other end of the reverse guide surface and the end surface of the turntable; the elastic expansion structure is elastically contracted by the guide of the reverse guide surface, and finally protrudes along the initial position to abut at the initial position.
Preferably, the elastic sliding structure comprises a sliding groove arranged on the support component, a first reset spring arranged in the sliding groove and a sliding block which is connected in the sliding groove in a sliding way and is elastically abutted to the first reset spring, and the elastic telescopic structure is arranged on the sliding block.
Preferably, the elastic telescopic structure comprises a containing cavity arranged in the sliding block, a movable hole arranged on the surface of the sliding block and communicated with the containing cavity, an abutting piece which is movably telescopic on the movable hole and is limited to be connected with the containing cavity, and a second reset spring which is arranged in the containing cavity and is elastically abutted against the abutting piece; the elastic telescopic structure clamps the turntable through the abutting piece.
Preferably, the support component comprises a top plate and side plates, wherein the top plate is fixed on the photo machine, the side plates are respectively molded downwards along two sides of the top plate, the wheel plate component is rotationally connected to the lower position between the two side plates, second hanging lugs are respectively arranged on two sides of the wheel plate component, two tension springs and adjusting components are respectively arranged on two sides of the wheel plate component, the two tension springs are respectively connected to the two sides of the wheel plate component through the two second hanging lugs, the two adjusting components are respectively arranged on the two side plates, an adjusting main shaft is rotationally connected between the two side plates, turntables of the two adjusting components are respectively connected to two ends of the adjusting main shaft, the two adjusting components share one manual pressing piece, and the manual pressing piece is arranged on the adjusting main shaft and extends out of the front of the support component.
Preferably, both sides of the wheel plate component are respectively provided with a limiting part extending out of the side plates, the wheel plate component and the support component are in limiting fit through the limiting parts, the second hanging lugs are arranged on the limiting parts, both ends of the adjusting main shaft penetrate through and are rotationally connected to the side plates, and the rotary table is connected to both ends of the adjusting main shaft along the outer sides of the support component, so that the tension springs are arranged out of the two side plates.
Preferably, the gear shifting structure is arranged on one surface of the turntable facing the side plate, a gear avoiding groove for the gear shifting structure to move is formed in the side plate, the elastic sliding structure is arranged on the inner side of the support part, a long through hole matched with the sliding stroke of the elastic sliding structure is formed in the side plate, and the sliding telescopic structure penetrates out of the outer side of the support part along the long through hole.
Preferably, the manual pressing piece is of a plate-shaped structure, the manual pressing piece is connected to the middle position of the adjusting spindle, and protruding lines for improving manual pressing friction force are arranged on the upper portion of the manual pressing piece.
Compared with the prior art, the utility model has the beneficial effects that:
by utilizing a lever structure, a user can control the adjusting part to switch different gears by manually pressing the manual pressing piece, so that the tension spring is stretched or contracted in different gears, and the purpose of adjusting the pressure of the paper pressing device of the photo machine is achieved;
the elastic sliding structure is matched with the elastic telescopic structure to overcome the action mode of elastic yielding movement and inward shrinking movement, and the gear shifting structure consisting of an initial position, a clamping part, a forward guide surface and a reverse reset channel is combined, so that the clamping of a plurality of gears can be achieved in the setting stroke by forward rotation of the turntable;
after the turntable rotates to the tail end of the set stroke, the elastic sliding structure is utilized to further drive the elastic telescopic structure to move to the reverse reset channel, the elastic telescopic structure elastically contracts along the reverse reset channel and finally stretches out to be abutted to the initial position along the initial position, so that the turntable can automatically reset to the initial position after rotating to the tail end of the set stroke;
the user just presses the mode of manual press piece just can reach the position of adjusting first hangers to reach the pulling force of adjusting the extension spring, with the realization is adjusted the pressure size of photo machine paperweight, this easy operation, and the mode of pressing the manual press piece and rotating the carousel has utilized lever structure's principle, and adopts the mode of pressing down from top to bottom, the user need not to use too big strength to carry out the regulation of pressure size to it.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of an exploded construction of the present utility model;
FIG. 3 is a schematic view of the longitudinal cross-sectional configuration of the present utility model at a position along a shift structure;
FIG. 4 is a schematic illustration of the shift structure of the present utility model disposed on a turntable;
FIG. 5 is a schematic view of the longitudinal cross-sectional structure of the present utility model at a location along the resilient sliding structure;
FIG. 6 is a schematic diagram of the structure of FIG. 5A in accordance with the present utility model;
FIG. 7 is a schematic view of the transverse cross-sectional structure of the present utility model at a location along the elastic telescoping structure;
fig. 8 is a schematic view of the structure of the present utility model at B in fig. 7.
Reference numerals and names in the drawings are as follows:
the support member 10, the top plate 11, the side plate 12, the adjustment main shaft 13, the escape groove 14, the elongated through hole 15, the wheel plate member 20, the roller 21, the tension spring 22, the second hanger 23, the stopper 24, the adjustment member 30, the first hanger 31, the turntable 32, the manual press 33, the click member 34, the elastic slide structure 40, the slide groove 41, the first return spring 42, the slide block 43, the elastic telescopic structure 50, the accommodation chamber 51, the movable hole 52, the abutment 53, the second return spring 54, the shift structure 60, the initial position 61, the click portion 62, the forward guide surface 63, the reverse return channel 64, and the reverse guide surface 65.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments 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. 1-8, in an embodiment of the present utility model, a paper pressing device of a photo machine for adjusting paper pressing force by pressing includes a support member 10 mounted on the photo machine and a wheel plate member 20 rotatably connected to a lower portion of the support member 10, a roller 21 for pressing paper is disposed at a front end of the wheel plate member 20, a tension spring 22 for driving the front end of the wheel plate member 20 to press downward is further connected to the wheel plate member 20, and an adjusting member 30 for adjusting tension force of the tension spring 22 is disposed on the support member 10;
when the printer is used, the support part 10 is arranged above the position of the printer corresponding to paper output, the roller 21 and the paper output position of the printer are tightly pressed by the roller plate part 20 through the pulling of the tension spring 22, so that the pressing operation of the printing medium is carried out, the tension of the tension spring 22 is regulated by the regulating part 30, and the pressure of the printing medium by the roller 21 can be regulated, therefore, the utility model provides a new technical scheme based on the structural design of the regulating part 30, the pressure of the printer paper press to the printing medium is regulated more conveniently and efficiently, and the aim of regulating the pressure of the printer paper press is fulfilled by using a lever structure, and a user adopts a manual pressing mode to press the manual pressing part 33 to control the regulating part 30 to switch different gears, so that the tension spring 22 is stretched or contracted in different gears; the specific scheme is as follows:
the adjusting part 30 comprises a first hanging lug 31 for pulling the other end of the tension spring 22, a rotary table 32 rotatably connected to the support part 10 for changing the position of the first hanging lug 31 so as to adjust the stretching force of the tension spring 22, a manual pressing piece 33 vertically connected to the axis of the rotary table 32 for manually operating the rotary table 32 to rotate, and a clamping part 34 arranged on the support part 10 for locking the rotary table 32; the rotary table 32 is rotated by pressing the manual pressing piece 33, the first hanging lugs 31 are driven to move along the circumferential track by the rotation of the rotary table 32, and the positions of the first hanging lugs 31 after being moved are fixed by the clamping part 34 in a mode of clamping the main rotary table 32, so that the tension springs 22 can be stretched or contracted by changing the positions of the first hanging lugs 31, and the tension of the tension springs 22 is adjusted to realize the adjustment of the pressure of the photo machine paper pressing device;
the clamping component 34 comprises an elastic sliding structure 40 which is connected to the support component 10 in a sliding manner and an elastic telescopic structure 50 which is connected to the elastic sliding structure 40 in a telescopic manner and used for clamping the turntable 32, an initial position 61 is arranged on the turntable 32, the side part of the elastic telescopic structure 50 is propped against the initial position 61 when the tension spring 22 is in a minimum tension state, a plurality of clamping parts 62 which are sequentially matched with the side part of the elastic telescopic structure 50 in a clamping manner are also arranged on the turntable 32, and a positive guide surface 63 is connected between each two adjacent clamping parts 62 and between each first clamping part 62 and the initial position 61;
the clamping component 34 is mainly clamped and matched with the turntable 32 through the elastic telescopic structure 50, the elastic telescopic structure 40 is arranged to enable the position of the elastic telescopic structure 50 to move along the sliding stroke of the elastic sliding structure 40 due to the stress, the clamping component is used for arranging a plurality of clamping parts 62 for clamping the elastic telescopic structure 50 and a positive guide surface 63 for guiding the elastic telescopic structure 50 to enter the clamping parts 62, the positive guide surface 63 is guided to stress the elastic telescopic structure 50 by utilizing the way of rotating the turntable 32, the elastic sliding structure 40 can overcome the elastic acting force of the elastic sliding structure 40, the position of the elastic telescopic structure 50 is guided to change, after the elastic telescopic structure 50 is separated from the positive guide surface 63, the elastic sliding structure 40 drives the elastic telescopic structure 50 to move backwards due to the elastic acting force of the elastic sliding structure, so as to be clamped on the clamping parts 62, and in such an operation mode, when the turntable 32 is operated to make the turntable 22 overcome the stretching force of the tension spring 22 to rotate positively, the elastic telescopic structure 50 is guided by the positive guide surface 63 to enable the elastic sliding structure 40 to overcome the elastic sliding structure to move along the elastic guiding surface 63 in the positive guide direction, and then the elastic sliding structure is enabled to be sequentially limited to slide along each positive guide surface and opposite direction of the elastic sliding structure 40 to each elastic sliding structure to overcome the elastic sliding structure to the opposite direction of the elastic sliding structure 32; the stroke of the manual pressing piece 33 is pressed to carry out the elastic stretching force of the multi-gear adjusting tension spring 22, so that the adjustment of different pressures of the paper pressing device of the photo machine is achieved;
since the turntable 32 can only be operated to rotate forward against the tensile force of the tension spring 22 by operating the manual pressing piece 33, the turntable 32 is clamped on the clamping part 62 and cannot rotate reversely, so that the elastic telescopic structure 50 is elastically contracted along the reverse reset channel 64 and finally extends to be abutted on the initial position 61 along the initial position 61 after the elastic telescopic structure 50 enters the last clamping part 62, the elastic sliding structure 40 further drives the elastic telescopic structure 50 to enter the reverse reset channel 64 along the elastic direction of the elastic telescopic structure 50, the turntable 32 loses the blocking fit between the elastic telescopic structure 50 and the clamping part 62, and the manual pressing piece 33 is released and reversely rotates by the acting force of the tension spring 22; the initial position 61, the engagement portion 62, the forward guide surface 63, and the reverse return channel 64 together form a shift structure 60 that is in abutting engagement with the elastic telescoping structure 50.
In the above technical solution, the elastic sliding structure 40 is matched with the elastic telescopic structure 50 to achieve the action mode of avoiding the elastic yielding movement and the inward shrinking movement, and the gear shifting structure 60 consisting of the initial position 61, the clamping part 62, the forward guiding surface 63 and the reverse resetting channel 64 is combined, so that the position of the first hanging lug 31 can be adjusted by simply pressing the manual pressing piece 33, the tension of the tension spring 22 can be adjusted by rotating the rotary table 32 forward, the elastic telescopic structure 50 is further driven by the elastic sliding structure 40 to move to the reverse resetting channel 64 after the rotary table 32 rotates to the tail end of the setting stroke, the elastic telescopic structure 50 elastically contracts along the reverse resetting channel 64 and finally stretches out to be abutted to the initial position 61 along the initial position 61, so that the rotary table 32 can automatically reset to the initial position 61 after rotating to the tail end of the setting stroke, the user can adjust the tension of the tension spring 22 by simply pressing the manual pressing piece 33, the manual pressing piece can be adjusted by simply pressing the manual pressing piece 33, and the user can press the manual pressing piece 32 by using the principle of the manual pressing piece.
Referring to fig. 3-4, during the rotation of the turntable 32, the engagement of the clamping member 34 and the gear shifting structure 60 is based on the elastic expansion structure 50 overcoming the elastic force of the elastic sliding structure 40 and moving away from the axis of the turntable 32 through the guiding of the forward guiding surface 63, and the elastic expansion structure 50 is driven by the elastic force of the elastic sliding structure 40 to move towards the axis direction close to the turntable 32 to be clamped on the clamping portion 62 or butt-jointed into the reverse reset channel 64 after the elastic expansion structure 50 is separated from the forward guiding surface 63; that is, the radial distance from one end of the forward guiding surface 63 to the axis of the turntable 32 is equal to the radial distance from the clamping portion 62 to the axis of the turntable 32, the radial distance from the other end of the forward guiding surface 63 to the axis of the turntable 32 is larger than the radial distance from the clamping portion 62 to the axis of the turntable 32, the radial distance from the clamping portion 62 to the axis of the turntable 32 is larger than the radial distance from the reverse reset groove 64 to the axis of the turntable 32, and the radial distances from the initial position 61 and the reverse reset groove 64 to the axis of the turntable 32 are equal.
Referring to fig. 3-4, the structure of the engagement between the forward guiding surface 63 and the clamping portion 62 and the elastic telescopic structure 50 is that the clamping portion 62 is provided with an abutting surface for abutting against and engaging with the side portion of the elastic telescopic structure 50, one end of the abutting surface is engaged with the corresponding forward guiding surface 63 in a concave arc surface, the other end of the abutting surface is engaged with the forward guiding surface 63 of the previous clamping portion 62 in a convex arc surface, so that the plurality of clamping portions 62 are sequentially connected through the forward guiding surface 63 to form a forward shifting track wound along the axis of the turntable 32, and the elastic telescopic structure 50 is sequentially clamped into each clamping portion 62 along the forward shifting track through the side portion to carry out multi-gear adjustment on the position of the first hanging lug 31; the reverse guide surface 65 abutting against the elastic telescopic structure 50 is arranged on the reverse reset channel 64 through the structure arrangement that the reverse reset channel 64 is matched with the elastic telescopic structure 50, and the reverse guide surface 65 is a spiral surface wound along the axis of the turntable 32, so that one end of the reverse guide surface 65 is connected with the end face of the turntable 32, and an initial position 61 for abutting against the elastic telescopic structure 50 is formed between the other end of the reverse guide surface 65 and the end face of the turntable 32; the elastic expansion structure 50 is elastically contracted by the guide of the reverse guide surface 65, and finally protrudes along the initial position 61 to abut at the initial position 61.
Referring to fig. 5 to 8, based on the arrangement of the elastic sliding structure 40, the elastic sliding structure 40 includes a sliding groove 41 provided on the support member 10, a first return spring 42 provided in the sliding groove 41, and a sliding block 43 slidably connected in the sliding groove 41 and elastically abutting against the first return spring 42, and the elastic telescopic structure 50 is provided on the sliding block 43; based on the arrangement of the elastic telescopic structure 50, the elastic telescopic structure 50 comprises a containing cavity 51 arranged in the sliding block 43, a movable hole 52 arranged on the surface of the sliding block 43 and communicated with the containing cavity 51, an abutting piece 53 which is movably telescopic on the movable hole 52 and is limited to be connected with the containing cavity 51, and a second reset spring 54 arranged in the containing cavity 51 and elastically abutted against the abutting piece 53; the resilient telescopic structure 50 catches the turntable 32 by means of the abutment 53.
Referring to fig. 1-8, in order to further make the overall structure of the photo machine paper pressing device be configured to be adapted to the structure of a traditional photo machine paper pressing device, so as to achieve that the photo machine paper pressing device of the technical scheme is installed on the photo machine in the same installation manner as the traditional photo machine paper pressing device, in this embodiment, by setting the support component 10 to include a top plate 11 for fixing on the photo machine and side plates 12 formed downwards along two sides of the top plate 11, the wheel plate component 20 is rotatably connected at a lower position between the two side plates 12, two sides of the wheel plate component 20 are respectively provided with a second hanging lug 23, the tension spring 22 and the adjusting component 30 are respectively provided with two tension springs 22 are respectively connected at two sides of the wheel plate component 20 through the two second hanging lugs 23, the two adjusting components 30 are respectively provided on the two side plates 12, and an adjusting spindle 13 is also rotatably connected between the two side plates 12, the turntables 32 of the two adjusting components 30 are respectively connected at two ends of the adjusting spindle 13, the two adjusting components 30 share one hand-operated pressing component 33, and the hand-operated pressing component 33 is arranged in front of the adjusting spindle 10; the two sides of the wheel plate component 20 are respectively provided with a limiting part 24 extending out of the side plates 12, the wheel plate component 20 and the support component 10 are in limiting fit through the limiting part 24, a second hanging lug 23 is arranged on the limiting part 24, two ends of the adjusting main shaft 13 penetrate through and are rotatably connected with the side plates 12, and a rotary disc 32 is connected to two ends of the adjusting main shaft 13 along the outer side of the support component 10, so that the tension springs 22 are arranged out of the two side plates 12; the gear shifting structure 60 is arranged on one surface of the turntable 32 facing the side plate 12, a position avoiding groove 14 for the gear shifting structure 60 to move is formed in the side plate 12, the elastic sliding structure 40 is arranged on the inner side of the support part 10, a long through hole 15 matched with the sliding stroke of the elastic sliding structure 40 is formed in the side plate 12, and the sliding telescopic structure is penetrated out of the support part 10 along the long through hole 15; the overall structure of the paper pressing device of the photo machine can be compact, the whole stress of the wheel plate component 20 can be uniform, and the wheel plate component is firmly and stably connected with the support component 10; through this setting, can set up manual press 33 into platelike structure, manual press 33 connects in the middle part position department of adjusting spindle 13, and the upper portion of manual press 33 is provided with the protruding line that improves the hand and presses frictional force to the user has made things convenient for the regulation of this photo machine paperweight greatly to the pressure size.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.
Claims (10)
1. The paper pressing device of the photo machine for realizing paper pressing force adjustment in a pressing mode comprises a support part arranged on the photo machine and a wheel plate part rotatably connected to the lower part of the support part, wherein the front end of the wheel plate part is provided with a roller wheel for pressing paper, the wheel plate part is also connected with a tension spring for driving the front end of the wheel plate part to downwards press, and the support part is provided with an adjusting part for adjusting the tension force of the tension spring; it is characterized in that the method comprises the steps of,
the adjusting component comprises a first hanging lug for pulling the other end of the tension spring, a rotary table which is rotationally connected to the support component and used for changing the position of the first hanging lug so as to adjust the stretching force of the tension spring, a manual pressing piece which is vertically connected to the axis of the rotary table and used for manually operating the rotary table to rotate, and a clamping component which is arranged on the support component and used for locking the rotary table;
the clamping component comprises an elastic sliding structure which is connected to the support component in a sliding manner and an elastic telescopic structure which is connected to the elastic sliding structure in a telescopic manner and used for clamping the turntable, an initial position is arranged on the turntable, the side part of the elastic telescopic structure is propped against the initial position when the tension spring is in a minimum tension state, a plurality of clamping parts which are sequentially matched with the side part of the elastic telescopic structure in a clamping manner are also arranged on the turntable, and a forward guide surface is connected between two adjacent clamping parts and between the first clamping part and the initial position;
when the manual pressing piece is operated to enable the turntable to rotate forwards against the tensile force of the tension spring, the elastic telescopic structure enables the elastic sliding structure to slide along the direction overcoming the elastic force of the elastic telescopic structure through the guide of the forward guide surface, and the elastic sliding structure is enabled to slide along the elastic force direction by being separated from each forward guide surface until the elastic telescopic structure is clamped on each clamping part in sequence, so that the reverse rotation of the turntable is limited;
a reverse reset channel extending to an initial position is formed at the last clamping part, after the elastic telescopic structure enters the last clamping part, the elastic sliding structure further drives the elastic telescopic structure to enter the reverse reset channel along the elastic direction of the elastic telescopic structure, so that the rotary table loses the blocking fit between the elastic telescopic structure and the clamping part, the elastic telescopic structure is reversely rotated by the acting force of a tension spring after the manual pressing piece is released, and the elastic telescopic structure elastically contracts along the reverse reset channel and finally stretches out to be abutted to the initial position along the initial position; the initial position, the clamping part, the forward guide surface and the reverse reset channel jointly form a gear shifting structure in abutting fit with the elastic telescopic structure.
2. The photo machine paper pressing device for realizing paper pressing force adjustment in a pressing mode according to claim 1, wherein the elastic telescopic structure overcomes the elastic force of the elastic sliding structure through the guide of the forward guiding surface and moves in the direction away from the axis of the turntable, and the elastic telescopic structure is driven by the elastic force of the elastic sliding structure to move in the direction close to the axis of the turntable to be clamped on the clamping part or to be butted in the reverse reset channel after being separated from the forward guiding surface.
3. The photo machine paper pressing device for realizing paper pressing force adjustment through a pressing mode according to claim 2, wherein the clamping part is provided with a butt surface for butt-matching with the side part of the elastic telescopic structure, one end of the butt surface is connected with the corresponding positive guide surface in a concave arc surface manner, the other end of the butt surface is connected with the positive guide surface of the last clamping part in a convex arc surface manner, a plurality of clamping parts are connected through the positive guide surfaces in sequence to form a positive shift track wound along the axis of the turntable, and the elastic telescopic structure is sequentially clamped into each clamping part along the positive shift track through the side part to carry out multi-gear adjustment on the position of the first hanging lug.
4. The photo machine paper pressing device for realizing paper pressing force adjustment by pressing method according to claim 2, wherein a reverse guiding surface abutting against the elastic telescopic structure is arranged on the reverse reset channel, the reverse guiding surface is a spiral surface wound along the axis of the turntable, one end of the reverse guiding surface is connected with the end face of the turntable, and an initial position for abutting against the elastic telescopic structure is formed between the other end of the reverse guiding surface and the end face of the turntable; the elastic expansion structure is elastically contracted by the guide of the reverse guide surface, and finally protrudes along the initial position to abut at the initial position.
5. The photo machine paper pressing device for realizing paper pressing force adjustment in a pressing mode according to claim 2, wherein the elastic sliding structure comprises a sliding groove arranged on the support component, a first reset spring arranged in the sliding groove, and a sliding block which is connected in the sliding groove in a sliding manner and is elastically abutted to the first reset spring, and the elastic telescopic structure is arranged on the sliding block.
6. The photo machine paper pressing device for adjusting paper pressing force in a pressing mode according to claim 5, wherein the elastic telescopic structure comprises a containing cavity arranged in the sliding block, a movable hole arranged on the surface of the sliding block and communicated with the containing cavity, an abutting piece movably telescopic on the movable hole and limited to be connected with the containing cavity, and a second reset spring arranged in the containing cavity and elastically abutting against the abutting piece; the elastic telescopic structure clamps the turntable through the abutting piece.
7. The photo machine paper pressing device for realizing paper pressing force adjustment through a pressing mode according to any one of claims 1-6, wherein the support component comprises a top plate and side plates, wherein the top plate is fixed on the photo machine, the side plates are respectively formed downwards along two sides of the top plate, the wheel plate component is rotatably connected at a lower position between the two side plates, second hanging lugs are respectively arranged on two sides of the wheel plate component, two tension springs and adjusting components are respectively arranged on two sides of the wheel plate component through the two second hanging lugs, the two adjusting components are respectively arranged on the two side plates, an adjusting spindle is rotatably connected between the two side plates, turntables of the two adjusting components are respectively connected at two ends of the adjusting spindle, the two adjusting components share one manual pressing component, and the manual pressing component is arranged on the adjusting spindle and extends out of the front of the support component.
8. The photo machine paper pressing device for realizing paper pressing force adjustment by pressing according to claim 7, wherein limiting parts extending out of the side plates are respectively formed on two sides of the wheel plate part, the wheel plate part and the support part are in limiting fit by the limiting parts, the second hanging lugs are arranged on the limiting parts, two ends of the adjusting main shaft penetrate through and are rotationally connected to the side plates, the rotating disc is connected to two ends of the adjusting main shaft along the outer side of the support part, and the tension springs are arranged out of the two side plates.
9. The photo machine paper pressing device for realizing paper pressing force adjustment by pressing method according to claim 7, wherein the shifting structure is arranged on one surface of the turntable facing the side plate, a position avoiding groove for the shifting structure to move is arranged on the side plate, the elastic sliding structure is arranged on the inner side of the support part, a long through hole matched with the sliding stroke of the elastic sliding structure is arranged on the side plate, and the sliding telescopic structure penetrates out of the outer side of the support part along the long through hole.
10. The photo machine paper pressing device for realizing paper pressing force adjustment by pressing according to claim 7, wherein the manual pressing piece is of a plate-shaped structure, the manual pressing piece is connected to the middle position of the adjusting spindle, and the upper part of the manual pressing piece is provided with raised grains for improving the manual pressing friction force.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310527387.5A CN116619917B (en) | 2023-05-11 | 2023-05-11 | Photo machine paper pressing device capable of adjusting paper pressing force in pressing mode |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310527387.5A CN116619917B (en) | 2023-05-11 | 2023-05-11 | Photo machine paper pressing device capable of adjusting paper pressing force in pressing mode |
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| CN116619917B true CN116619917B (en) | 2023-10-20 |
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| CN116619917A (en) | 2023-08-22 |
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