CN210655554U - Take sealing film cutting device of ratchet - Google Patents
Take sealing film cutting device of ratchet Download PDFInfo
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- CN210655554U CN210655554U CN201921226104.9U CN201921226104U CN210655554U CN 210655554 U CN210655554 U CN 210655554U CN 201921226104 U CN201921226104 U CN 201921226104U CN 210655554 U CN210655554 U CN 210655554U
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- ratchet
- cutting device
- sealing film
- driving gear
- film cutting
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Abstract
The utility model belongs to the technical field of cutting device, concretely relates to take sealing membrane cutting device of ratchet, including upper end open-ended under casing, it has the case lid to articulate on the under casing, fixed mounting has the installation piece on the under casing, install the bearing roller in the mounting groove, the equal fixed mounting in both ends of bearing roller has driven gear, the compression roller is installed in the bearing roller corresponding position to the case lid, the slotted hole has been seted up to the case lid between two compression rollers, the blade has the ejector pad in case lid top fixed mounting, the case lid installs the driving gear between two driven gear of homonymy, the driving gear meshes with two driven gear of homonymy respectively, ratchet subassembly is installed in the driving gear outside in the under casing both sides, ratchet subassembly and driving gear transmission are connected, fixed mounting has drive gear on the ratchet subassembly, the fixed mounting is equipped with the support bar in. The purpose is as follows: the problem of the extravagant sealing membrane and the inefficiency that current sealing membrane cutting mode leads to is solved.
Description
Technical Field
The utility model belongs to the technical field of cutting device, concretely relates to take sealing membrane cutting device of ratchet.
Background
The sealing film is a composite material, has sealing performance, can be used in experiments to prevent volatilization and pollution of contents, and is usually cut by scissors when being cut, but has two problems, namely, the width of the sealing film is not uniform when the sealing film is cut by the scissors manually, and partial sealing film is wasted due to improper width; secondly, when the disposable sealing film is used for a large amount, the cutting efficiency by scissors is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: aims to provide a sealing film cutting device with a ratchet wheel, which is used for solving the problems of sealing film waste and low efficiency caused by the existing sealing film cutting mode.
In order to realize the technical purpose, the utility model discloses a technical scheme as follows:
a sealing film cutting device with a ratchet comprises a bottom box with an opening at the upper end, wherein a box cover is hinged on the bottom box, a mounting block is fixedly mounted on the bottom box, two mounting grooves are transversely formed in the mounting block, a carrier roller is mounted in each mounting groove, driven gears are fixedly mounted at two ends of the carrier roller, a compression roller is mounted at the position, corresponding to the carrier roller, of the box cover, a groove hole is formed in the box cover between the two compression rollers, a blade penetrates through the groove hole, a push block is fixedly mounted above the box cover on the blade, an avoiding groove is formed in the mounting block at the position, corresponding to the blade, of the mounting block, a driving gear is mounted between the two driven gears at the same side of the box cover, the driving gear is respectively meshed with the two driven gears at the same side, ratchet assemblies are mounted on the outer sides of, the ratchet wheel component is fixedly provided with a transmission gear, two sides of the box cover are fixedly provided with support bars below the transmission gear, the support bars are slidably provided with racks, and the racks are meshed with the transmission gear.
And the two racks are hinged with a U-shaped connecting rod at the front end of the bottom box. Such structural design realizes the simultaneous movement of two racks through the U-shaped connecting rod, and simultaneously, when cutting device did not use, the U-shaped connecting rod can droop naturally under the effect of self gravity, reduces cutting device's area.
The cross section of the supporting bar is in an inverted T shape, the lower end face of the rack is provided with a sliding groove matched with the supporting bar, and one end of the supporting bar is embedded into the sliding groove. Due to the structural design, the rack is supported by the supporting bars, and the left and right displacement of the supporting bars is limited.
One of them rack is last demountable installation have the fixture block, and evenly seted up a plurality of through-holes, be equipped with on the fixture block with through-hole assorted projection, the lateral wall of under casing or the lateral wall of case lid are fixed between fixture block and ratchet subassembly and are equipped with the stopper, still be equipped with the scale on the case lid. Such structural design through installing the fixture block in the different positions on the rack, cooperation scale and stopper use, can control the single cutting length of sealing membrane, and it is more convenient to use.
And the two sides of the bottom box are provided with a reset mechanism at the rear end of the rack. Such structural design resets the rack through canceling release mechanical system, pulls the rack back forward, loosens the rack, and the rack removes backward under canceling release mechanical system's effect for the rack resumes initial position, need not manually reset the rack, and it is more convenient to use.
The reset mechanism is a coil spring. Due to the structural design, the property of the coil spring leads the tension of the coil spring to be stable relative to other types of springs in the whole reset process.
The support bar rear end is fixed and is equipped with first dog, the rack rear end is fixed and is equipped with the second dog. Due to the structural design, the first stop block can prevent the rack from being pulled to be separated from the transmission gear under the action of the reset mechanism, and the second stop block can prevent the rack from being separated from the transmission gear in the forward movement process to achieve the limiting effect.
The ratchet wheel assembly comprises an outer ratchet wheel and an inner wheel, the outer ratchet wheel is fixedly connected with the transmission gear, a transmission shaft is mounted on the inner wheel, the transmission shaft penetrates through the outer wall of the bottom box and the mounting block to be fixedly connected with the driving gear, a mounting groove is formed in the inner wheel, a pawl is hinged in the mounting groove, the free end of the pawl is clamped in a ratchet of the outer ratchet wheel, and a compression spring is connected between the pawl and the mounting groove.
Adopt above-mentioned technical scheme's utility model, have following advantage:
1. the sealing film is moved by utilizing the one-way transmission characteristic of the ratchet wheel assembly, so that the problem that the sealing film needs to be readjusted during secondary use is solved, and the cutting efficiency of the sealing film is improved;
2. through the mutual matching of the clamping block, the limiting block and the graduated scale, the single movement distance of the rack can be controlled, the sealing film sealing device is suitable for the requirements of sealing films with different lengths, and the waste of the sealing films is avoided;
3. the rack is reset through the reset mechanism, the rack is not reset manually, the use is more convenient, and the cutting efficiency of the sealing film is further improved.
Drawings
The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;
fig. 1 is a first schematic structural diagram of an embodiment of a sealing film cutting device with a ratchet according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
fig. 4 is a schematic structural diagram of a sealing film cutting device with a ratchet according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of an embodiment of a sealing film cutting device with a ratchet according to the present invention;
fig. 6 is a schematic structural view of a rack in an embodiment of a sealing film cutting device with a ratchet according to the present invention;
fig. 7 is a schematic structural diagram of a fixture block in an embodiment of a sealing film cutting device with a ratchet according to the present invention;
the main element symbols are as follows:
the device comprises a bottom box 1, a roll-shaped sealing film 10, a box cover 2, a carrier roller 21, a driven gear 210, a driving gear 22, a compression roller 23, an installation block 3, an avoidance groove 30, a ratchet assembly 4, an outer ratchet 401, an inner wheel 402, an installation groove 4021, a pawl 4022, a compression spring 4023, a transmission shaft 403, a transmission gear 41, a support strip 42, a first stop 420, a rack 43, a through hole 430, a second stop 431, a U-shaped connecting rod 44, a push block 5, a slotted hole 50, a blade 51, a fixture block 8, a graduated scale 80, a limiting block 81, a convex column 82 and a coil spring 9.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1 to 7, the sealing film cutting device with ratchet of the present invention comprises a bottom case 1 with an open upper end, a case cover 2 hinged to the bottom case 1, a mounting block 3 fixedly mounted on the bottom case 1, two mounting grooves transversely formed on the mounting block 3, a carrier roller 21 mounted in the mounting groove, driven gears 210 fixedly mounted at both ends of the carrier roller 21, a press roller 23 mounted at a position corresponding to the carrier roller 21 on the case cover 2, a slot 50 formed between the two press rollers 23 on the case cover 2, a blade 51 inserted in the slot 50, a pushing block 5 fixedly mounted above the case cover 2 on the blade 51, an avoiding groove 30 formed at a position corresponding to the blade 51 on the mounting block 3, a driving gear 22 mounted between the two driven gears 210 on the same side on the case cover 2, the driving gear 22 respectively engaged with the two driven gears 210 on the same side, ratchet assemblies 4 mounted at two sides of the bottom case 1 outside, the ratchet wheel assembly 4 is in transmission connection with the driving gear 22, a transmission gear 41 is fixedly mounted on the ratchet wheel assembly 4, support bars 42 are fixedly arranged on two sides of the box cover 2 below the transmission gear 41, racks 43 are slidably mounted on the support bars 42, and the racks 43 are meshed with the transmission gear 41; the two racks 43 are hinged with a U-shaped connecting rod 44 at the front end of the bottom case 1, synchronous movement of the two racks 43 is realized through the U-shaped connecting rod 44, and meanwhile, when the cutting device is not used, the U-shaped connecting rod 44 can naturally droop under the action of self gravity, so that the floor area of the cutting device is reduced.
The section of the support bar 42 is in an inverted T shape, the lower end face of the rack 43 is provided with a sliding groove matched with the support bar 42, one end of the support bar 42 is embedded in the sliding groove, and the support bar 42 supports the rack 43 and limits the left and right displacement (front and back displacement in the drawing) of the support bar 42.
One of them rack 43 on demountable installation have fixture block 8, and evenly seted up a plurality of through-holes 430, be equipped with on the fixture block 8 with through-hole 430 assorted projection 82, the lateral wall of under casing 1 or the lateral wall of case lid 2 are fixed between fixture block 8 and ratchet assembly 4 and are equipped with stopper 81, still be equipped with scale 80 on case lid 2, through installing fixture block 8 in the different positions on rack 43, cooperation scale 80 and stopper 81 use, can control the single cutting length of sealing membrane, it is more convenient to use.
Reset mechanisms are installed at the two sides of the bottom box 1 at the rear ends of the racks 43, the racks 43 are reset through the reset mechanisms, after the racks 43 are pulled forwards (leftwards in the attached drawing), the racks 43 are loosened, the racks 43 move backwards (leftwards in the attached drawing) under the action of the reset mechanisms, the racks 43 are restored to the initial positions, the racks 43 do not need to be manually reset, and the use is more convenient. The reset mechanism is a coil spring 9, and the property of the coil spring 9 causes the tension of the coil spring to be stable relative to other kinds of springs in the whole reset process. In fact, the return mechanism may also be a tension spring or other elastic element.
The rear end of the supporting bar 42 is fixedly provided with a first stop block 420, the rear end of the rack 43 is fixedly provided with a second stop block 431, the first stop block 420 can prevent the rack 43 from being pulled to be separated from the transmission gear 41 under the action of the reset mechanism, and the second stop block 431 can prevent the rack 43 from being separated from the transmission gear 41 in the forward movement process to play a limiting role.
The ratchet assembly 4 comprises an outer ratchet 401 and an inner wheel 402, the outer ratchet 401 is fixedly connected with a transmission gear 41, a transmission shaft 403 is installed on the inner wheel 402, the transmission shaft 403 penetrates through the outer wall of the bottom box 1 and the installation block 3 to be fixedly connected with the driving gear 22, an installation groove 4021 is formed in the inner wheel 402, a pawl 4022 is hinged in the installation groove 4021, the free end of the pawl 4022 is clamped in a ratchet of the outer ratchet 401, and a compression spring 4023 is connected between the pawl 4022 and the installation groove 4021.
In this embodiment, the free end of the sealing film 10 is clamped between the two carrier rollers 21 and the two compression rollers 23, when in use, according to the required length and size of the sealing film, the convex column 82 of the fixture block 8 is inserted into the corresponding through hole 430 according to the size marked by the scale 80, the U-shaped connecting rod 44 is pulled, so that the rack 43 moves forward (moves leftward in the drawing), the transmission gear 41 is driven to rotate clockwise, the driving gear 22 is driven to rotate clockwise by the ratchet assembly 4, the carrier roller 21 is driven to rotate counterclockwise by the engagement of the driving gear 22 and the driven gear 210, and the rolled sealing film 10 moves forward (moves leftward in the drawing) from between the two carrier rollers 21 and the two compression rollers 23 until the fixture block 8 abuts against the limiting block 81;
then the U-shaped connecting rod 44 is loosened, the rack 43 moves backwards (moves rightwards in the drawing) under the action of the coil spring 9 until the rack 43 abuts against the first stop block 420, the ratchet wheel assembly 4 is arranged between the rack 43 and the driving gear 22, at the moment, the two carrier rollers 21 do not rotate, the moving length of the sealing film is not changed, finally, the push block 5 is moved, and the sealing film is cut by the blade 5.
It is right above the utility model provides a pair of take sealing membrane cutting device of ratchet introduces in detail. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. A sealing film cutting device with a ratchet comprises a bottom box (1) with an upper end opening, wherein a box cover (2) is hinged to the bottom box (1), an installation block (3) is fixedly installed on the bottom box (1), two installation grooves are transversely formed in the installation block (3), a carrier roller (21) is installed in each installation groove, driven gears (210) are fixedly installed at two ends of the carrier roller (21), a compression roller (23) is installed at a position, corresponding to the carrier roller (21), of the box cover (2), a slotted hole (50) is formed between the two compression rollers (23) of the box cover (2), a blade (51) penetrates through the slotted hole (50), a push block (5) is fixedly installed above the box cover (2) of the blade (51), a yielding groove (30) is formed in a position, corresponding to the blade (51), and a driving gear (22) is installed between the two driven gears (210) on the same side of the box cover (2), the driving gear (22) is respectively meshed with two driven gears (210) on the same side, and is characterized in that: ratchet subassembly (4) are installed in driving gear (22) outside in bottom case (1) both sides, ratchet subassembly (4) are connected with driving gear (22) transmission, fixed mounting has drive gear (41) on ratchet subassembly (4), case lid (2) both sides are fixed in drive gear (41) below and are equipped with support bar (42), slidable mounting has rack (43) on support bar (42), rack (43) and drive gear (41) meshing.
2. The sealing film cutting device with the ratchet wheel as claimed in claim 1, wherein: the two racks (43) are hinged with a U-shaped connecting rod (44) at the front end of the bottom box (1).
3. The sealing film cutting device with the ratchet wheel as claimed in claim 1, wherein: the cross-section of the support bar (42) is in an inverted T shape, the lower end face of the rack (43) is provided with a sliding groove matched with the support bar (42), and one end of the support bar (42) is embedded into the sliding groove.
4. The sealing film cutting device with the ratchet wheel as claimed in claim 1, wherein: one of them rack (43) go up demountable installation have fixture block (8), and evenly seted up a plurality of through-hole (430), be equipped with on fixture block (8) with through-hole (430) assorted projection (82), the lateral wall of bottom case (1) or the lateral wall of case lid (2) are fixed between fixture block (8) and ratchet subassembly (4) and are equipped with stopper (81), still be equipped with scale (80) on case lid (2).
5. The sealing film cutting device with the ratchet wheel as claimed in claim 1, wherein: and reset mechanisms are arranged at the two sides of the bottom box (1) at the rear ends of the racks (43).
6. The sealing film cutting device with the ratchet wheel as claimed in claim 5, wherein: the reset mechanism is a coil spring (9).
7. The sealing film cutting device with the ratchet wheel as claimed in claim 5, wherein: the rear end of the support bar (42) is fixedly provided with a first stop block (420), and the rear end of the rack (43) is fixedly provided with a second stop block (431).
8. The sealing film cutting device with the ratchet wheel as claimed in claim 1, wherein: the ratchet assembly (4) comprises an outer ratchet wheel (401) and an inner wheel (402), the outer ratchet wheel (401) is fixedly connected with a transmission gear (41), a transmission shaft (403) is installed on the inner wheel (402), the transmission shaft (403) penetrates through the outer wall of the bottom box (1) and the installation block (3) to be fixedly connected with the driving gear (22), an installation groove (4021) is formed in the inner wheel (402), a pawl (4022) is hinged in the installation groove (4021), the free end of the pawl (4022) is clamped in a ratchet of the outer ratchet wheel (401), and a compression spring (4023) is connected between the pawl (4022) and the installation groove (4021).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226104.9U CN210655554U (en) | 2019-07-31 | 2019-07-31 | Take sealing film cutting device of ratchet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226104.9U CN210655554U (en) | 2019-07-31 | 2019-07-31 | Take sealing film cutting device of ratchet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210655554U true CN210655554U (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921226104.9U Active CN210655554U (en) | 2019-07-31 | 2019-07-31 | Take sealing film cutting device of ratchet |
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| Country | Link |
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| CN (1) | CN210655554U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510445A (en) * | 2019-07-31 | 2019-11-29 | 重庆中烟工业有限责任公司 | A kind of sealed membrane cutter device with ratchet |
| CN111421584A (en) * | 2020-06-03 | 2020-07-17 | 广州津润教育科技有限公司 | New material processing is with fly-cutting device |
-
2019
- 2019-07-31 CN CN201921226104.9U patent/CN210655554U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510445A (en) * | 2019-07-31 | 2019-11-29 | 重庆中烟工业有限责任公司 | A kind of sealed membrane cutter device with ratchet |
| CN110510445B (en) * | 2019-07-31 | 2024-02-20 | 重庆中烟工业有限责任公司 | Sealing film cutting device with ratchet wheel |
| CN111421584A (en) * | 2020-06-03 | 2020-07-17 | 广州津润教育科技有限公司 | New material processing is with fly-cutting device |
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