A backpack filling foam trimming device

Abstract

The present invention provides a backpack filling foam trimming device, belonging to the technical field of backpack component production, and is used to solve the technical problems that in the prior art, when a leather planer is used to trim the filling foam, the operation process is cumbersome and the working efficiency of the operator is relatively low. The device includes a first moving seat and a second moving seat. A driving rod is rotatably connected to the first moving seat, and a rotating wheel is fixed to the upper end of the driving rod. A support rod is arranged on the second moving seat, and an installation mechanism is arranged on the support rod. A trimming table is installed on the installation mechanism. An outer ring plate and an inner ring plate are arranged below the trimming table. The outer side of the outer ring plate abuts against an anti-slip ring. An adjusting frame is arranged on the bottom plate, and a circular knife is rotatably arranged at the upper end of the adjusting frame; the present invention can automatically trim the circumference of the filling foam, without the operator holding the filling foam for single-sided trimming, reducing the operation steps, being more convenient to operate, and effectively improving the working efficiency of the operator.

Description

Technical Field

[0001] The present invention belongs to the technical field of backpack component production, and relates to a backpack filling foam trimming device. Background Art

[0002] A backpack refers to a bag carried on the back, with diverse materials such as genuine leather, plastic, polyester, canvas, nylon, cotton and linen for the texture of the luggage. In the era of increasingly advocating individuality, various styles such as simplicity, retro, and cartoon also meet the needs of fashionable people to show their individuality from different aspects. The styles of luggage have also expanded from traditional business bags, schoolbags, and travel bags to pen cases, coin purses, small sachets, etc.;

[0003] In the process of producing a backpack, not only the fabric needs to be cut and sewn, but also the filling foam needs to be fixed in the interlayer of the fabric to improve the protection effect of the backpack. When producing the filling foam, not only does the filling foam need to be cut into a specific shape, but also a leather planer is required to trim the edges of the filling foam to facilitate the sewing of the fabric. The leather planer needs to be manually operated by an operator, and each edge of the filling foam needs to be trimmed separately, resulting in a cumbersome operation process and low work efficiency.

[0004] Based on this, we have designed a backpack filling foam trimming device. Summary of the Invention

[0005] The purpose of the present invention is to address the above problems existing in the prior art and propose a backpack filling foam trimming device. The technical problem to be solved by this device is: how to improve the efficiency of trimming the filling foam during the backpack production process.

[0006] The purpose of the present invention can be achieved by the following technical solutions:

[0007] A backpack filling foam trimming device comprises a bottom plate, a trimming platform and a circular knife, wherein a sliding mechanism is arranged on the bottom plate, a first moving seat and a second moving seat are arranged on the sliding mechanism, a driving motor is fixed below the first moving seat, a driving rod is rotatably connected to the first moving seat, a rotating wheel is fixed to the upper end of the driving rod, an anti-skid ring is arranged outside the rotating wheel, the lower end of the driving rod is connected to the output shaft of the driving motor through a gear pair, a lifting rod is slidably arranged on the second moving seat, a lifting mechanism for controlling the lifting rod to move up and down is arranged in the second moving seat, a support rod is rotatably arranged on the upper end of the lifting rod, and a mounting mechanism is arranged on the support rod, and the mounting mechanism is arranged on the support rod. The mechanism includes a plurality of locking blocks uniformly distributed on the outside of the support rod, a convex edge is fixed on the upper edge of the edge chamfering table, an outer ring plate and an inner ring plate are arranged below the edge chamfering table, and the support rod is located between the outer ring plate and the inner ring plate, the outer ring plate and the inner ring plate are both provided with limiting grooves, and the locking blocks are located inside the limiting grooves, the outer side of the outer ring plate is against the anti-slip ring, an adjusting frame is provided on the bottom plate, a fixing sleeve and a mounting plate are fixed on the upper end of the adjusting frame, a rotating shaft is rotatably arranged in the fixing sleeve, a circular knife is fixed on one end of the rotating shaft, a cutting motor for driving the rotating shaft to rotate is fixed on the mounting plate, a grinding mechanism is provided on the side end of the circular knife, and a rolling mechanism is provided above the edge chamfering table.

[0008] The working principle of the present invention is: when in use, the operator needs to first select a matching trimming table according to the shape of the filling foam, and then install the trimming table on the support rod through the installation mechanism, and then adjust the height of the adjustment frame according to the required trimming thickness, change the distance between the circular knife and the trimming table, and then the operator can pull the second moving seat to separate the second moving seat from the first moving seat, and at the same time separate the outer side of the outer ring plate from the anti-slip ring, and then place the filling foam on the trimming table, position the filling foam under the action of the convex edge, and then push the second moving seat to make the second moving seat close to the first moving seat, and during the approach process, the lifting mechanism will drive the lifting rod to lift upward, so that the rolling mechanism and the upper surface of the filling foam are against each other. At this time, the outer side of the outer ring plate is against the anti-slip ring, the driving motor drives the driving rod to rotate, and then drives the trimming table to rotate through the rotating wheel and the anti-slip ring. The edge of the trimming table is in a rolling state, rolling along the edge of the circular knife, and the edge of the filling foam is trimmed and thinned. Moreover, under the action of the rolling mechanism, the filling foam is more stable and not easy to deviate. After the trimming table rolls one circle, the operator can repeat the above process to take out the filling foam after trimming, and then put in the filling foam to be trimmed. It can automatically trim the filling foam around the circle. The operator only needs to load and unload the material. The operation steps are simpler and the work efficiency can be improved. In addition, after the circular knife is used for a long time, the circular knife is polished by the polishing mechanism to improve the continuous use effect of the device.

[0009] The sliding mechanism includes two slide rails fixed on the bottom plate. The first moving seat and the second moving seat are both slidably arranged between the two slide rails. A number of threaded holes are provided on the slide rails, and locking bolts are threadedly connected in the threaded holes. The end of the locking bolt abuts against the side end of the first moving seat. A first push plate is fixed inside the second moving seat, a second push plate is fixed on the bottom plate, and a thrust spring is arranged between the first push plate and the second push plate. A pull rod is fixed on the side end of the second moving seat.

[0010] With the above structure, during use, the operator can change the position of the first moving seat and then fix it with the locking bolt. Under the action of the thrust spring, the second moving seat abuts against the first moving seat, so that the position of the second moving seat can be changed, and then the width of the edge trimming of the filling foam by the circular knife can be changed, expanding the applicable range of the device. Moreover, the second moving seat can be pulled by the pull rod, and when the hand is released, the second moving seat can be driven to automatically reset under the action of the thrust spring, making the operation more convenient.

[0011] The mounting mechanism further includes a fixing ring and a lifting ring. A number of long slots are provided on the outer side of the support rod, and elastic metal sheets are fixed in the long slots. The locking blocks are fixed on the elastic metal sheets at corresponding positions, and triangular blocks are also fixed on the elastic metal sheets. The fixing ring is fixed on the outer side of the support rod, the lifting ring is slidably sleeved on the outer side of the support rod, and a tension spring is arranged between the fixing ring and the lifting ring.

[0012] With the above structure, when installing the edge trimming table, the lifting ring can be pulled downward. The inner side of the lifting ring will push the triangular block, so that the elastic metal sheet bends towards the long slot, driving the locking block to contract inward. At this time, the edge trimming table can be placed on the support rod, and the support rod is located between the outer ring plate and the inner ring plate. Then, the lifting ring is released. Under the action of the tension spring, the lifting ring resets, and the elastic metal sheet pops out the locking block and locks it in the limiting slot, and the installation can be completed.

[0013] The adjusting frame includes two vertical sleeves fixed on the bottom plate. Adjusting rods are slidably inserted into the vertical sleeves. A support block is fixed between the two vertical sleeves. A connecting block is fixed between the two adjusting rods. A height adjusting bolt is threadedly connected to the connecting block, and the end of the height adjusting bolt abuts against the support block.

[0014] With the above structure, by rotating the height adjusting bolt, the height of the two adjusting rods can be changed, so as to change the height of the circular knife, and the thickness of the edge trimming can be adjusted, enabling the device to trim filling foam with different thicknesses and further expanding the applicable range of the device.

[0015] The grinding mechanism includes a sliding sleeve fixed on the mounting plate. A sliding rod is slidably arranged in the sliding sleeve. One end of the sliding rod is fixed with an operating rod, and the other end is fixed with a cross bar. The end of the cross bar is fixed with a rotating sleeve. A rotating rod is rotatably arranged in the rotating sleeve. The upper end of the rotating rod is fixed with a grinding wheel, and a grinding motor for driving the rotating rod to rotate is fixed at the lower end of the rotating sleeve.

[0016] With the above structure, the grinding motor drives the grinding wheel to rotate. The operator can pull the operating rod to drive the grinding wheel closer to the circular knife. When the circular knife and the grinding wheel rotate simultaneously, the circular knife can be ground.

[0017] The grinding mechanism further includes a limit pin. A limit hole is opened on the sliding rod, and a positioning hole is opened on the sliding sleeve. The limit pin is inserted into the positioning hole and the limit hole.

[0018] With the above structure, during the edge trimming process, the limit pin can further lock the sliding rod and the sliding sleeve, preventing the grinding wheel from approaching the circular knife and interfering with the edge trimming, and improving the stability of the device.

[0019] The rolling mechanism includes a bracket fixed on the adjusting rod. One end of the bracket away from the adjusting rod is hinged with a hinged plate through a torsion shaft. A round rod is fixed on the hinged plate. A pressing roller is rotatably arranged on the round rod. A vertical plate is fixed on the bracket, and an angle adjusting bolt is threadedly connected to the vertical plate. The end of the angle adjusting bolt abuts against the hinged plate.

[0020] With the above structure, during use, under the action of the torsion shaft, the hinged plate abuts against the end of the angle adjusting bolt. Rotating the angle adjusting bolt can change the angle of the hinged plate and thus change the angle of the pressing roller. When the edge of the filled foam abuts against the pressing roller, the pressure on both sides of the edge trimming part will change with the change of the angle of the pressing roller, so as to realize edge trimming at different angles and further expand the application range of the device.

[0021] The lifting mechanism includes side plates fixed on both sides of the first moving seat. A track groove is opened on the side plate. Two support rods are fixed at the bottom of the lifting rod. Lifting grooves are opened on both sides of the second moving seat. The ends of the support rods are slidably arranged in the corresponding lifting grooves and the corresponding track grooves.

[0022] With the above structure, when the second moving seat moves away from the first moving seat, the support rods slide along the track groove. Under the combined action of the support rods and the track groove, the lifting rod will descend, and at this time the edge trimming table will also descend synchronously. Similarly, when the second moving seat resets, the edge trimming table will lift upward so that the filled foam to be edge trimmed abuts against the pressing roller, preventing the edge trimming table from moving horizontally and causing the filled foam to shift or wrinkle.

[0023] A plurality of through holes are arranged at equal intervals on the circular knife, and a plurality of blades are fixed inside the circular knife.

[0024] With the above structure, when the circular knife rotates, it will generate an air flow towards the open end through the blades, driving the trimmed waste to be discharged to prevent the trimmed waste from affecting the subsequent trimming effect.

[0025] Compared with the prior art, the backpack filling foam trimming device has the following advantages:

[0026] 1. Through the rotating wheel, trimming table, support rod and circular knife, it can automatically trim the circumference of the filling foam, eliminating the need for operators to hold the filling foam for single-sided trimming, reducing the operation steps, making the operation more convenient and improving the work efficiency.

[0027] 2. The width of the trimming can be adjusted through the sliding mechanism, the thickness of the trimming can be adjusted through the adjusting frame, different trimming tables can be replaced through the installation mechanism to trim filling foams of different shapes, and the angle of the trimming can be adjusted through the rolling mechanism. Moreover, it can prevent the filling foam from wrinkling and shifting, expanding the application range of the device and improving the trimming effect of the device.

[0028] 3. Through the grinding mechanism, the cutting edge of the circular knife is ground, with simple operation, which can prevent the cutting edge of the circular knife from becoming blunt due to long-term use of the device, and improve the long-term use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0030] Figure 2 is a structural schematic diagram of some components of the present invention;

[0031] Figure 3 is a structural schematic diagram of the first moving seat of the present invention;

[0032] Figure 4 is a structural schematic diagram of the second moving seat of the present invention;

[0033] Figure 5 is a cross-sectional structural schematic diagram of the support rod of the present invention;

[0034] Figure 6 is a structural schematic diagram of the trimming table of the present invention;

[0035] Figure 7 is a three-dimensional structural schematic diagram of one side of the adjusting frame of the present invention;

[0036] Figure 8 is a three-dimensional structural schematic diagram of the other side of the adjusting frame of the present invention;

[0037] Figure 9 is the present invention Figure 7 the enlarged structural schematic diagram at A;

[0038] Figure 10 It is a schematic structural diagram of the rolling mechanism in the present invention;

[0039] Figure 11 It is a partial structural schematic diagram of the grinding mechanism in the present invention;

[0040] Figure 12 It is a schematic structural diagram of the circular knife in the present invention;

[0041] In the figure: 1, bottom plate; 2, sliding mechanism; 201, slide rail; 202, threaded hole; 203, locking bolt; 204, first push plate; 205, second push plate; 206, thrust spring; 207, pull rod; 3, first moving seat; 4, second moving seat; 5, driving motor; 6, driving rod; 7, rotating wheel; 8, anti-slip ring; 9, lifting rod; 10, lifting mechanism; 1001, side plate; 1002, track groove; 1003, lifting groove; 1004, support rod; 11, support bar; 12, mounting mechanism; 1201, locking block; 1202, long groove; 1203, elastic metal sheet; 1204, triangular block; 1205, fixing ring; 1206, lifting ring; 1207, tension spring; 13, edge trimming table; 14, convex edge; 15, outer ring plate; 16, inner ring plate; 17, limiting groove; 18, adjusting frame; 1801, vertical sleeve; 1802, adjusting rod; 1803, support block; 1804, connecting block; 1805, height adjusting bolt; 19, fixing sleeve; 20, mounting plate; 21, circular knife; 2101, through hole; 2102, blade; 22, edge trimming motor; 23, grinding mechanism; 2301, sliding sleeve; 2302, sliding rod; 2303, operating rod; 2304, cross bar; 2305, rotating sleeve; 2306, grinding wheel; 2307, grinding motor; 2308, positioning hole; 2309, limiting hole; 2310, limiting pin; 24, rolling mechanism; 2401, bracket; 2402, hinge plate; 2403, pressure roller; 2404, vertical plate; 2405, angle adjusting bolt. Detailed implementation manners

[0042] The technical solutions of this patent will be further described in detail below in combination with the specific implementation manners.

[0043] The embodiments of this patent will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are only used to explain this patent and should not be construed as a limitation of this patent.

[0044] In the description of this patent, it should be understood that the orientation or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this patent.

[0045] In the description of this patent, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "joined", "set" should be understood in a broad sense. For example, it can be fixedly connected and set, or detachably connected and set, or integrally connected and set. For those of ordinary skill in the art, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0046] Please refer to Figures 1-12, this embodiment provides a backpack filling foam trimming device, including a bottom plate 1, a trimming table 13 and a circular knife 21. A sliding mechanism 2 is provided on the bottom plate 1. A first moving seat 3 and a second moving seat 4 are arranged on the sliding mechanism 2. A driving motor 5 is fixed below the first moving seat 3, and a driving rod 6 is rotatably connected to the first moving seat 3. A rotating wheel 7 is fixed to the upper end of the driving rod 6. An anti-slip ring 8 is arranged on the outside of the rotating wheel 7. The lower end of the driving rod 6 is in transmission connection with the output shaft of the driving motor 5 through a gear pair. A lifting rod 9 is slidably arranged on the second moving seat 4, and a lifting mechanism 10 for controlling the up and down movement of the lifting rod 9 is arranged in the second moving seat 4. The upper end of the lifting rod 9 is rotatably provided with a support rod 11, and an installation mechanism 12 is arranged on the support rod 11. The installation mechanism 12 includes a plurality of locking blocks 1201 circumferentially arranged on the outside of the support rod 11. A convex edge 14 is fixed to the upper edge of the trimming table 13. An outer ring plate 15 and an inner ring plate 16 are arranged below the trimming table 13, and the support rod 11 is located between the outer ring plate 15 and the inner ring plate 16. Limiting grooves 17 are arranged on both the outer ring plate 15 and the inner ring plate 16, and the locking blocks 1201 are located inside the limiting grooves 17. The outside of the outer ring plate 15 abuts against the anti-slip ring 8. An adjusting frame 18 is arranged on the bottom plate 1. A fixed sleeve 19 and a mounting plate 20 are fixed to the upper end of the adjusting frame 18. A rotating shaft is rotatably arranged in the fixed sleeve 19. The circular knife 21 is fixed to one end of the rotating shaft. A trimming motor 22 for driving the rotating shaft to rotate is fixed on the mounting plate 20. A polishing mechanism 23 is arranged on the side end of the circular knife 21, and a rolling mechanism 24 is arranged above the trimming table 13;During use, the operator first needs to select a trimming table 13 that matches the shape of the foam filling according to its shape, and then install the trimming table 13 on the support rod 11 through the installation mechanism 12. Then, according to the thickness of the foam filling to be trimmed, the height of the adjusting frame 18 is adjusted to change the distance between the circular knife 21 and the trimming table 13. Then, the operator can pull the second moving seat 4 to separate the second moving seat 4 from the first moving seat 3, and at the same time separate the outer side of the outer ring plate 15 from the anti-slip ring 8. Then, the foam filling is placed on the trimming table 13 and positioned under the action of the convex edge 14. Then, the second moving seat 4 is pushed to make the second moving seat 4 approach the first moving seat 3. During the approaching process, the lifting mechanism 10 will drive the lifting rod 9 to lift upward, so that the rolling pressure mechanism 24 abuts against the upper surface of the foam filling. At this time, the outer side of the outer ring plate 15 abuts against the anti-slip ring 8. The driving motor 5 drives the driving rod 6 to rotate, and then drives the trimming table 13 to rotate through the rotating wheel 7 and the anti-slip ring 8. The edge of the trimming table 13 is in a rolling state and rolls along the edge of the circular knife 21 to trim and thin the edge of the foam filling. Moreover, under the action of the rolling pressure mechanism 24, the foam filling is more stable and not easy to shift. After the trimming table 13 rolls one circle, the operator can repeat the above process to take out the trimmed foam filling, put in the foam filling to be trimmed, and can automatically trim the circumference of the foam filling. The operator only needs to feed and unload materials, and the operation steps are simpler, which can improve work efficiency. In addition, after the circular knife 21 is used for a long time, the circular knife 21 is polished by the polishing mechanism 23 to improve the continuous use effect of the device.

[0047] The sliding mechanism 2 includes two slide rails 201 fixed on the bottom plate 1. The first moving seat 3 and the second moving seat 4 are both slidably arranged between the two slide rails 201. A number of threaded holes 202 are provided on the slide rails 201, and a locking bolt 203 is threadedly connected in the threaded hole 202. The end of the locking bolt 203 abuts against the side end of the first moving seat 3. A first push plate 204 is fixed inside the second moving seat 4, and a second push plate 205 is fixed on the bottom plate 1. A thrust spring 206 is arranged between the first push plate 204 and the second push plate 205. A pull rod 207 is fixed on the side end of the second moving seat 4. During use, the operator can change the position of the first moving seat 3 and then fix it through the locking bolt 203. Under the action of the thrust spring 206, the second moving seat 4 abuts against the first moving seat 3, so that the position of the second moving seat 4 can be changed, and then the trimming width of the circular knife 21 for the foam filling can be changed, expanding the applicable range of the device. Moreover, the second moving seat 4 can be pulled through the pull rod 207, and when the hand is released, the second moving seat 4 can be driven to automatically reset under the action of the thrust spring 206, making the operation more convenient.

[0048] The installation mechanism 12 further includes a fixing ring 1205 and a lifting ring 1206. A plurality of long slots 1202 are formed on the outer side of the support rod 11, and elastic metal sheets 1203 are fixed in the long slots 1202. The locking block 1201 is fixed on the elastic metal sheet 1203 at the corresponding position, and a triangular block 1204 is also fixed on the elastic metal sheet 1203. The fixing ring 1205 is fixed on the outer side of the support rod 11. The lifting ring 1206 is slidably sleeved on the outer side of the support rod 11, and a tension spring 1207 is arranged between the fixing ring 1205 and the lifting ring 1206. When installing the edge trimming table 13, the lifting ring 1206 can be pulled downward. The inner side of the lifting ring 1206 will push the triangular block 1204, thereby causing the elastic metal sheet 1203 to bend towards the long slot 1202, driving the locking block 1201 to contract inward. At this time, the edge trimming table 13 can be placed on the support rod 11, and the support rod 11 is located between the outer ring plate 15 and the inner ring plate 16. Then, the lifting ring 1206 is released. Under the action of the tension spring 1207, the lifting ring 1206 resets, and the elastic metal sheet 1203 pops out the locking block 1201 and locks it in the limit slot 17, and the installation is completed.

[0049] The adjusting frame 18 includes two vertical sleeves 1801 fixed on the bottom plate 1. An adjusting rod 1802 is slidably inserted in the vertical sleeve 1801. A support block 1803 is fixed between the two vertical sleeves 1801. A connecting block 1804 is fixed between the two adjusting rods 1802. A height adjusting bolt 1805 is threadedly connected to the connecting block 1804, and the end of the height adjusting bolt 1805 abuts against the support block 1803. By rotating the height adjusting bolt 1805, the height of the two adjusting rods 1802 can be changed, thereby changing the height of the circular knife 21, and the thickness of the edge trimming can be adjusted, so that the device can trim the filling foam with different thicknesses, further expanding the application range of the device.

[0050] The grinding mechanism 23 includes a sliding sleeve 2301 fixed on the mounting plate 20. A sliding rod 2302 is slidably arranged in the sliding sleeve 2301. One end of the sliding rod 2302 is fixed with an operating rod 2303, and the other end is fixed with a cross bar 2304. A rotating sleeve 2305 is fixed at the end of the cross bar 2304. A rotating rod is rotatably arranged in the rotating sleeve 2305. A grinding wheel 2306 is fixed at the upper end of the rotating rod, and a grinding motor 2307 for driving the rotating rod to rotate is fixed at the lower end of the rotating sleeve 2305. The grinding motor 2307 drives the grinding wheel 2306 to rotate. The operator pulls the operating rod 2303 to drive the grinding wheel 2306 to approach the circular knife 21, and the circular knife 21 can be ground while the circular knife 21 and the grinding wheel 2306 are rotating simultaneously.

[0051] The grinding mechanism 23 further includes a limit pin 2310. A limit hole 2309 is provided on the sliding rod 2302, and a positioning hole 2308 is provided on the sliding sleeve 2301. The limit pin 2310 is inserted into the positioning hole 2308 and the limit hole 2309. During the edge trimming process, the limit pin 2310 can further lock the sliding rod 2302 and the sliding sleeve 2301, preventing the grinding wheel 2306 from approaching the circular knife 21 and interfering with the edge trimming, thereby improving the stability of the device.

[0052] The rolling mechanism 24 includes a bracket 2401 fixed on the adjusting rod 1802. One end of the bracket 2401 away from the adjusting rod 1802 is hinged with a hinged plate 2402 through a torsion shaft. A round rod is fixed on the hinged plate 2402, and a pressing roller 2403 is rotatably arranged on the round rod. A vertical plate 2404 is fixed on the bracket 2401, and an angle adjusting bolt 2405 is threadedly connected to the vertical plate 2404, and the end of the angle adjusting bolt 2405 abuts against the hinged plate 2402. During use, under the action of the torsion shaft, the hinged plate 2402 abuts against the end of the angle adjusting bolt 2405. Rotating the angle adjusting bolt 2405 can change the angle of the hinged plate 2402 and thus change the angle of the pressing roller 2403. When the edge of the filled foam abuts against the pressing roller 2403, the pressure on both sides of the edge trimming part will change with the change of the angle of the pressing roller 2403, so as to realize edge trimming at different angles and further expand the application range of the device.

[0053] The lifting mechanism 10 includes side plates 1001 fixed on both sides of the first moving seat 3. A track groove 1002 is provided on the side plates 1001. Two support rods 1004 are fixed at the bottom of the lifting rod 9. Lifting grooves 1003 are provided on both sides of the second moving seat 4, and the ends of the support rods 1004 are slidably arranged in the corresponding lifting grooves 1003 and the corresponding track grooves 1002. When the second moving seat 4 moves away from the first moving seat 3, the support rods 1004 slide along the track groove 1002. Under the combined action of the support rods 1004 and the track groove 1002, the lifting rod 9 will descend, and at this time the edge trimming table 13 will also descend synchronously. Similarly, when the second moving seat 4 is reset, the edge trimming table 13 will lift upward so that the filled foam to be edge trimmed abuts against the pressing roller 2403, preventing the edge trimming table 13 from moving horizontally and causing the filled foam to shift or wrinkle.

[0054] A number of through holes 2101 are equally spaced on the circular knife 21, and a number of blades 2102 are fixed inside the circular knife 21. When the circular knife 21 rotates, an air flow will be generated towards the open end through the blades 2102, driving the edge trimming waste to be discharged to prevent the edge trimming waste from affecting the subsequent edge trimming effect.

[0055] The above fixing methods are the most commonly used fixed connection methods in the art, such as welding, bolt connection, etc.; each of the above electrical components, such as the drive motor 5, the edge trimming motor 22, and the grinding motor 2307, etc., are products of the prior art and can be directly purchased and used in the market, and the specific principle will not be elaborated herein.

[0056] The working principle of the present invention:

[0057] During use, the operator first needs to select a trimming table 13 that matches the shape of the filling foam according to its shape. When installing the trimming table 13, the lifting ring 1206 can be pulled downward. The inner side of the lifting ring 1206 will push the triangular block 1204, causing the elastic metal sheet 1203 to bend towards the long groove 1202, driving the locking block 1201 to contract inward. At this time, the trimming table 13 can be placed on the support rod 11, and the support rod 11 is located between the outer ring plate 15 and the inner ring plate 16. Then, release the lifting ring 1206. Under the action of the tension spring 1207, the lifting ring 1206 resets, and the elastic metal sheet 1203 pops out the locking block 1201 and locks it in the limit groove 17, completing the installation. Then, according to the thickness of the edge to be trimmed, by rotating the height adjustment bolt 1805, the height of the two adjustment rods 1802 can be changed, thus changing the height of the circular knife 21, and the thickness of the trimmed edge can be adjusted. After that, according to the width of the edge to be trimmed, change the position of the first moving seat 3, and then fix it with the locking bolt 203. Then, the operator can pull the pull rod 207 to separate the second moving seat 4 from the first moving seat 3, and at the same time separate the outer side of the outer ring plate 15 from the anti-slip ring 8. Then, place the filling foam on the trimming table 13 and position the filling foam under the action of the convex edge 14. Then, release the second moving seat 4 to make the second moving seat 4 approach the first moving seat 3. During the approaching process, under the combined action of the support rod 1004 and the track groove 1002, the lifting rod 9 is lifted upward, making the rolling mechanism 24 abut against the upper surface of the filling foam. At this time, the outer side of the outer ring plate 15 abuts against the anti-slip ring 8. The driving motor 5 drives the driving rod 6 to rotate, and then drives the trimming table 13 to rotate through the rotating wheel 7 and the anti-slip ring 8. The edge of the trimming table 13 is in a rolling state and rolls along the edge of the circular knife 21 to trim and thin the edge of the filling foam. Moreover, under the action of the rolling mechanism 24, the filling foam is more stable and not easily offset. After the trimming table 13 rolls one circle, the operator can repeat the above process to take out the trimmed filling foam and put in the filling foam to be trimmed. It can automatically trim the circumference of the filling foam. The operator only needs to load and unload materials, and the operation steps are simpler, which can improve work efficiency. Moreover, under the action of the torsion shaft, the articulated plate 2402 abuts against the end of the angle adjustment bolt 2405. Rotating the angle adjustment bolt 2405 can change the angle of the articulated plate 2402 and thus change the angle of the pressure roller 2403. When the edge of the filling foam abuts against the pressure roller 2403, the pressure on both sides of the trimmed part will change with the change of the angle of the pressure roller 2403, so as to realize trimming at different angles and expand the application range of the device. Secondly, when the circular knife 21 rotates, it will generate an air flow towards the open end through the blade 2102, driving the trimmed waste to be discharged to prevent the trimmed waste from affecting the subsequent trimming effect. In addition, after the circular knife 21 has been used for a long time, the grinding motor 2307 can be started to drive the grinding wheel 2306 to rotate. The operator pulls out the limit pin 2310,Pulling the operating lever 2303 can drive the grinding wheel 2306 to approach the circular knife 21. When the circular knife 21 and the grinding wheel 2306 rotate simultaneously, the circular knife 21 can be ground, improving the continuous use effect of the device.

[0058] The above describes the preferred embodiments of the present patent in detail. However, the present patent is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the gist of the present patent.

Claims

1. A backpack filling foam trimming device, comprising a bottom plate (1), a trimming table (13) and a circular knife (21), characterized in that, A sliding mechanism (2) is provided on the bottom plate (1). A first moving seat (3) and a second moving seat (4) are arranged on the sliding mechanism (2). A driving motor (5) is fixed below the first moving seat (3). A driving rod (6) is rotatably connected to the first moving seat (3). A rotating wheel (7) is fixed to the upper end of the driving rod (6). An anti-slip ring (8) is arranged on the outer side of the rotating wheel (7). The lower end of the driving rod (6) is in transmission connection with the output shaft of the driving motor (5) through a gear pair. A lifting rod (9) is slidably arranged on the second moving seat (4). And a lifting mechanism (10) for controlling the up and down movement of the lifting rod (9) is arranged in the second moving seat (4). A support rod (11) is rotatably arranged at the upper end of the lifting rod (9). And a mounting mechanism (12) is arranged on the support rod (11). The mounting mechanism (12) includes a plurality of locking blocks (1201) evenly distributed in a circumferential manner on the outer side of the support rod (11). A convex edge (14) is fixed to the upper edge of the bevelling table (13). An outer ring plate (15) and an inner ring plate (16) are arranged below the bevelling table (13). And the support rod (11) is located between the outer ring plate (15) and the inner ring plate (16). Limiting grooves (17) are arranged on both the outer ring plate (15) and the inner ring plate (16). And the locking blocks (1201) are located inside the limiting grooves (17). The outer side of the outer ring plate (15) abuts against the anti-slip ring (8). An adjusting frame (18) is arranged on the bottom plate (1). A fixed sleeve (19) and a mounting plate (20) are fixed to the upper end of the adjusting frame (18). A rotating shaft is rotatably arranged in the fixed sleeve (19). A circular knife (21) is fixed to one end of the rotating shaft. A bevelling motor (22) for driving the rotating shaft to rotate is fixed on the mounting plate (20). A grinding mechanism (23) is arranged at the side end of the circular knife (21). And a rolling mechanism (24) is arranged above the bevelling table (13).

2. The edge trimming device for backpack filling foam according to claim 1, characterized in that, The sliding mechanism (2) includes two slide rails (201) fixed on the bottom plate (1). Both the first moving seat (3) and the second moving seat (4) are slidably arranged between the two slide rails (201). And a plurality of threaded holes (202) are arranged on the slide rails (201). And a locking bolt (203) is threadedly connected in the threaded hole (202). The end of the locking bolt (203) abuts against the side end of the first moving seat (3). A first push plate (204) is fixed inside the second moving seat (4). A second push plate (205) is fixed on the bottom plate (1). And a thrust spring (206) is arranged between the first push plate (204) and the second push plate (205). A pull rod (207) is fixed to the side end of the second moving seat (4).

3. A backpack filling foam trimming device according to claim 1 or 2, characterized in that, The installation mechanism (12) further includes a fixed ring (1205) and a lifting ring (1206). A plurality of long grooves (1202) are formed on the outer side of the support rod (11), and elastic metal sheets (1203) are fixed in the long grooves (1202). The locking blocks (1201) are fixed on the elastic metal sheets (1203) at corresponding positions, and triangular blocks (1204) are also fixed on the elastic metal sheets (1203). The fixed ring (1205) is fixed on the outer side of the support rod (11). The lifting ring (1206) is slidably sleeved on the outer side of the support rod (11), and a tension spring (1207) is arranged between the fixed ring (1205) and the lifting ring (1206).

4. A backpack filling foam trimming device according to claim 1 or 2, characterized in that, The adjusting frame (18) includes two vertical sleeves (1801) fixed on the bottom plate (1). Adjusting rods (1802) are slidably inserted into the vertical sleeves (1801). A support block (1803) is fixed between the two vertical sleeves (1801). A connecting block (1804) is fixed between the two adjusting rods (1802). A height adjusting bolt (1805) is threadedly connected to the connecting block (1804), and the end of the height adjusting bolt (1805) abuts against the support block (1803).

5. A backpack filling foam trimming device according to claim 1, characterized in that, The grinding mechanism (23) includes a sliding sleeve (2301) fixed on the mounting plate (20). A sliding rod (2302) is slidably arranged in the sliding sleeve (2301). One end of the sliding rod (2302) is fixed with an operating rod (2303), and the other end is fixed with a cross rod (2304). A rotating sleeve (2305) is fixed at the end of the cross rod (2304). A rotating rod is rotatably arranged in the rotating sleeve (2305). A grinding wheel (2306) is fixed at the upper end of the rotating rod, and a grinding motor (2307) for driving the rotating rod to rotate is fixed at the lower end of the rotating sleeve (2305).

6. The edge trimming device for backpack filling foam according to claim 5, characterized in that, The grinding mechanism (23) further includes a limit pin (2310). A limit hole (2309) is formed on the sliding rod (2302), and a positioning hole (2308) is formed on the sliding sleeve (2301). The limit pin (2310) is inserted into the positioning hole (2308) and the limit hole (2309).

7. A backpack filling foam trimming device according to claim 4, characterized in that, The rolling mechanism (24) includes a bracket (2401) fixed on the adjusting rod (1802). One end of the bracket (2401) far away from the adjusting rod (1802) is hinged with a hinge plate (2402) through a torsion shaft. A round rod is fixed on the hinge plate (2402), and a pressing roller (2403) is rotatably arranged on the round rod. A vertical plate (2404) is fixed on the bracket (2401), and an angle adjusting bolt (2405) is threadedly connected to the vertical plate (2404), and the end of the angle adjusting bolt (2405) abuts against the hinge plate (2402).

8. A backpack filling foam trimming device according to claim 1 or 7, characterized in that, The lifting mechanism (10) includes side plates (1001) fixed to both sides of the first moving seat (3), and a track groove (1002) is formed in the side plates (1001). Two support rods (1004) are fixed to the bottom of the lifting rod (9). Lifting grooves (1003) are formed on both sides of the second moving seat (4), and the ends of the support rods (1004) are slidably disposed in the lifting grooves (1003) at corresponding positions and the track grooves (1002) at corresponding positions.

9. A backpack filling foam trimming device according to claim 1, characterized in that, A plurality of through holes (2101) are formed in the circular knife (21) at equal intervals, and a plurality of blades (2102) are fixed to the inner side of the circular knife (21).

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