CN211034630U - Drawing folding device - Google Patents

Abstract

The utility model relates to a drawing folding device, which comprises a frame, wherein a support plate is arranged on the frame, a paper feeding groove is arranged on the support plate, and sliding grooves are arranged on the support plates at the two sides of the paper feeding groove; clamping devices for clamping drawings are matched in sliding grooves on two sides of the paper feeding groove in a sliding manner; a first supporting shaft is rotatably supported in the paper feeding groove, and a first paper pressing roller is coaxially fixed on the first supporting shaft; a second support shaft is rotatably supported in the paper feeding groove, and a second paper pressing roller is coaxially fixed on the second support shaft; a first gear is coaxially fixed at one end of the first support shaft, a second gear is coaxially fixed at one end of the second support shaft, and the first gear and the second gear are meshed with each other; the first supporting shaft is connected with a driving device which drives the first supporting shaft to rotate and simultaneously drives the clamping device to move along the sliding groove. The utility model discloses have the convenience and carry out folding effect to the drawing.

Description

A paper folding device

technical field

The utility model relates to the technical field of office equipment, in particular to a drawing folding device.

Background technique

After the engineering drawings are drawn or printed, they need to be folded according to the standard, so as to facilitate the proper preservation of the drawings. At present, the folding of drawings is mostly done by hand, which is not only not neatly folded, but also time-consuming and labor-intensive.

At present, the patent document with the authorization announcement number CN207998354U discloses a quick folding drawing tool, which includes a ruler, a scale, a ruler and a gap. The ruler is provided with a scale, the ruler is vertically fixed on the ruler, and the ruler is There is a slit extending from the end of the caliper to the side of the ruler, and the length of the slit is less than the length of the caliper.

When the above-mentioned quick-folding drawing tool is used, it can only locate the position where the drawing needs to be folded, and the folding of the drawing still needs to be done manually. ), it is very inconvenient to fold by hand.

Utility model content

In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a drawing folding device, which, by arranging two paper pressing rollers and making the drawing gradually pass between the two paper pressing rollers through the clamping device, It has the effect of facilitating the folding of drawings.

The above-mentioned purpose of the present invention is achieved through the following technical solutions:

A drawing folding device comprises a frame, a support plate is arranged on the frame, a rectangular paper feed slot is opened on the support plate; the support plates on both sides of the paper feed slot are provided with chute, The length direction of the chute is perpendicular to the length direction of the paper feed chute; the chute on both sides of the paper feed chute is slidably fitted with a clamping device for clamping the drawings; the paper feed chute is rotatably supported with a first support The first support shaft is arranged along the length direction of the paper feed slot, and the first paper platen roller is coaxially fixed on the first support shaft; the paper feed slot is also rotatably supported with a first paper roller arranged parallel to the first support shaft. Two support shafts, a second paper platen roller is coaxially fixed on the second support shaft; the outer wall of the second paper platen roller is tangent to the outer wall of the first paper platen roller; one end of the first support shaft is the same as the The shaft is fixed with a first gear, one end of the second support shaft is coaxially fixed with a second gear, and the first gear and the second gear mesh with each other; the first support shaft is connected to drive the first support shaft A drive device that rotates and simultaneously drives the gripping device to move along the chute.

By adopting the above technical solution, when the drawing is folded, the two edges of the drawing are respectively fixed on the two clamping devices, and the first support shaft is rotated by the driving device, so that the two paper pressing rollers are rotated, so that the two edges of the drawing are rotated. The middle part is squeezed between the two platen rollers for folding; at the same time, the driving device makes the clamping device move gradually along the chute to the paper feed slot to feed the paper evenly, ensuring that the edges of the drawings remain aligned after being folded, which is more convenient when folding drawings.

The utility model is further configured as follows: the supporting plates on both sides of the paper feeding slot are respectively provided with two sliding grooves, and the sliding grooves pass through the supporting plate; On the same straight line; each of the clamping devices is slidably fitted in two chute grooves on the same side of the paper feed slot.

By adopting the above technical solution, the clamping device is slidably fitted in the two chutes on the same side of the paper feeding slot, and the clamping device is more stable when moving, which is beneficial to ensure the stability of the clamping device when feeding paper.

The utility model is further provided as follows: the clamping device includes a sliding seat, and the sliding seat includes two vertical plates arranged in parallel and a horizontal plate for fixedly connecting the two vertical plates; The ends are integrally provided with sliding blocks, and the two sliding blocks are respectively slidably fitted in the two sliding grooves; the horizontal plate is made of magnetic material, and a long clip is rotatably supported between the two vertical plates A paper block, the paper clamping block is made of magnetic material, and the rotation axis of the paper clamping block is perpendicular to the board surface of the vertical plate; the paper clamping block includes a surface that can fit with the lower surface of the horizontal plate.

By adopting the above technical solution, before folding the drawing, open the surface where the paper clip block and the horizontal plate are attached, and after inserting the drawing between the paper clip block and the horizontal plate, the paper clip block and the horizontal plate are magnetically mutually connected. Fitting realizes the function of clamping the edge of the drawing.

The utility model is further arranged as follows: a rectangular limit plate is fixedly arranged on the sliding seat, the limit plate is vertically arranged on the opposite side of the sliding seat and the paper feeding slot, and the limit plate is connected to the two vertical limit plates. Both the plate and the horizontal plate are fixed to each other.

By adopting the above technical solution, the limit plate can limit the position of the edge of the drawing, and when the two edges of the drawing are clamped on the two clamping devices on both sides of the chute, the drawing can be symmetrical with respect to both sides of the paper feeding slot. , so that the edges of the drawings are folded and aligned with each other.

The utility model is further arranged as follows: a plurality of push blocks are fixedly arranged on the plate surfaces of the support plates on both sides of the paper feed slot, and the plurality of push blocks located on the same side of the paper feed slot are all located at the vertical direction of the chute. On the same straight line; the limit plate of the sliding seat is provided with a through hole corresponding to the push block.

By adopting the above technical solution, when stacking paper, when the sliding seat moves to the pushing block, the pushing block can push the clamping block to rotate, thereby releasing the drawing, so that the drawing can completely pass through the two platen rollers to complete the stacking. paper; the hole can facilitate the passage of the push block from the sliding seat.

The utility model is further provided as follows: the vertical plate is provided with an arc-shaped groove, a toggle block is fixedly arranged on the paper clamping block, and the toggle block is slidably fitted in the arc-shaped groove.

By adopting the above technical solution, when the drawing needs to be clamped, the toggle block can be moved by hand to easily open the surface of the paper clamp block and the horizontal plate, so that the edge of the drawing can be easily inserted into the paper clamp block. between the horizontal plate.

The utility model is further provided as follows: the lower part of the sliding block of the sliding seat is integrally provided with a connecting plate with the sliding block; the driving device comprises a worm wheel coaxially fixed on the first support shaft, and the frame is rotatably supported with a connecting plate. The worm, the worm and the worm gear are meshed with each other; a runner is coaxially fixed on one end of the worm; two unwinding discs are coaxially fixed on the first support shaft, and the two unwinding discs are located on the same straight line respectively. The two chutes correspond to each other; two connecting ropes are fixed on each of the unwinding reels, one end of the two connecting ropes is fixed on the unwinding reel, and the other ends are respectively fixed on the two connecting plates facing the first A plate surface that supports the shaft.

By adopting the above technical solution, the worker can drive the worm to rotate by rotating the runner, thereby driving the worm wheel to rotate, so as to realize the driving of the first support shaft; when the first support shaft rotates, it will simultaneously drive the two unwinding discs to rotate, and the unwinding discs will rotate. The rotation causes the two connecting ropes to be coiled on the unwinding reel at the same time, thereby pulling the two sliding bases to move towards each other at the same speed, so that the middle of the drawing can be stably entered into the folding device for folding, which is beneficial to the edges of the drawing. Align each other after folding.

The utility model is further arranged as follows: a tension spring is fixedly arranged on the plate surface of the connecting plate facing away from the first support shaft, the length direction of the tension spring is perpendicular to the plate surface of the support plate, and the other end of the tension spring is fixed on the machine on the shelf.

By adopting the above technical solution, the tension spring can make the sliding seat tension the drawings clamped between the paper clamping block and the horizontal plate, so as to ensure the flatness of the drawings folded.

The utility model is further arranged as follows: a paper pressing knife is arranged above the paper feeding slot, and one end of the paper pressing knife is hinged on the edge of the paper feeding slot; one and two paper pressing rollers are arranged on the paper pressing knife The corresponding blade at the gap that fits, and the blade is rounded.

By adopting the above technical solution, when the drawing is folded, the pressing knife is pressed in the middle of the drawing, and the part where the drawing is folded in half will enter between the two pressing rollers under the action of the blade of the pressing knife, which is beneficial to improve the folding of the drawing. efficiency and convenience.

To sum up, the beneficial technical effects of the present utility model are:

1. When folding the drawing, fix the two edges of the drawing on the two clamping devices respectively, and rotate the first support shaft through the driving device to rotate the two paper pressing rollers, so that the middle of the drawing is squeezed into the two clamping devices. Folding between each platen roller; at the same time, the driving device makes the clamping device move gradually along the chute to the paper feed slot to feed the paper evenly, to ensure that the edges of the drawing remain aligned after being folded, and it is more convenient to fold the drawing;

2. The clamping device is slidably fitted in the two chutes on the same side of the paper feed slot, which is more stable; the paper clamping block and the horizontal plate cooperate with each other to realize the function of clamping the edge of the drawing; the limit plate can limit the position of the edge of the drawing , which is conducive to aligning the edges of the drawings after folding; the push block can automatically open the clipping block after the sliding seat moves to a certain position;

3. Toggle the toggle block by hand to easily open the surface where the paper clamping block is attached to the horizontal plate; turning the wheel can drive the two paper pressing rollers and two sliding seats to move at the same time; the tension spring is conducive to ensuring The flatness of drawing folding; the paper pressing knife is beneficial to improve the efficiency and convenience of drawing folding.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the upper part of the present utility model;

Fig. 2 is the partial enlarged schematic diagram of A part in Fig. 1;

Figure 3 is a schematic structural diagram of a clamping device;

Fig. 4 is the overall structure schematic diagram of the lower part of the present utility model;

Fig. 5 is the partial enlarged schematic diagram of B part in Fig. 4;

FIG. 6 is a schematic diagram of the structure of the driving device.

In the figure, 1, frame; 2, support plate; 21, paper feed slot; 22, chute; 23, push block; 3, clamping device; 31, sliding seat; 311, vertical plate; 312, horizontal plate; 313, sliding block; 314, arc groove; 32, paper clip; 321, toggle block; 33, limit plate; 331, through hole; 34, connecting plate; 341, tension spring; 4, folding device 41, the first support shaft; 411, the first platen roller; 412, the first gear; 42, the second support shaft; 421, the second platen roller; 422, the second gear; 5, the drive device; 51, Unwinding reel; 52, connecting rope; 53, worm gear; 54, worm; 55, runner; 6, pressing knife; 61, blade.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

1 and 2, it is a drawing folding device disclosed by the utility model, including a horizontally arranged support plate 2 and a frame 1 for supporting the support plate 2 on the ground, and the support plate 2 is a rectangular structure; The board 2 is provided with a rectangular paper feed slot 21, and the paper feed slot 21 runs through the support plate 2; ; The support plate 2 on both sides of the paper feed slot 21 is provided with two chute 22, the chute 22 runs through the support plate 2, and the length direction of the chute 22 is perpendicular to the length direction of the paper feed slot 21; the paper feed slot 21 The four chutes 22 on both sides are on the same straight line; the two chutes 22 on the same side of the paper feed slot 21 are slidably fitted with a clamping device 3 for holding drawings, and the lower part of the paper feed slot 21 is provided with a useful Folding device 4 for folding drawings.

1 and 3, the clamping device 3 includes a sliding seat 31, the sliding seat 31 includes two vertical plates 311 arranged in parallel and a horizontal plate 312 for fixedly connecting the two vertical plates 311. The horizontal plate 312 It is rectangular and the length direction of the horizontal plate 312 is perpendicular to the length direction of the chute 22 ; the ends of the two vertical plates 311 are integrally provided with sliding blocks 313 , and the two sliding blocks 313 are slidably fitted in the two sliding grooves 22 respectively. ; The horizontal plate 312 is a magnetic material, and a long strip-shaped paper block 32 is rotatably supported between the two vertical plates 311. The paper block 32 is a magnetic material and the rotation axis of the paper block 32 is perpendicular to the vertical plate 311. board surface; the paper clip block 32 includes a surface that can fit with the lower surface of the horizontal plate 312; when the drawing is folded, the two paper clip blocks 32 on both sides of the chute 22 and the horizontal plate 312 are magnetically attached to each other , respectively clamp the two edges of the drawing.

Referring to FIG. 3 , a rectangular limit plate 33 is fixed on the sliding seat 31 , and the limiting plate 33 is vertically arranged on the opposite side of the sliding seat 31 and the paper feeding slot 21 . The plate 311 and the horizontal plate 312 are fixed to each other; the limit plate 33 can limit the position of the edge of the drawing, when the two edges of the drawing are clamped on the two clamping devices 3 on both sides of the chute 22, the drawing can be The two sides of the paper slot 21 are symmetrical with each other, so as to facilitate the alignment of the edges of the drawings after folding; the vertical plate 311 is provided with an arc-shaped slot 314, and the paper clamping block 32 is fixedly provided with a toggle block 321. The toggle block 321 It is slidably fitted in the arc-shaped groove 314; when the drawing needs to be clamped, the toggle block 321 can be moved by hand to open the surface where the paper clamping block 32 and the horizontal plate 312 fit, so as to facilitate the edge of the drawing. Between the paper feeding block 32 and the horizontal plate 312 .

2 and 4, a first support shaft 41 is rotatably supported in the paper feed slot 21, and the first support shaft 41 is arranged parallel to the length direction of the paper feed slot 21; the first support shaft 41 is coaxially fixed with two The reel 51 and the two unwinding reels 51 correspond to the two chute 22 located on the same straight line respectively; with reference to FIG. The connecting plate 34 is vertically arranged and the plate surface of the connecting plate 34 is parallel to the axis of the first support shaft 41; with reference to FIG. One end is fixed on the unwinding reel 51, and the other end is respectively fixed on the plate surface of the two connecting plates 34 facing the first support shaft 41; the plate surface of the connecting plate 34 facing away from the first support shaft 41 is fixedly provided with a tension spring 341, the length direction of the tension spring 341 is perpendicular to the plate surface of the support plate 2, and the other end of the tension spring 341 is fixed on the frame 1; the first support shaft 41 is connected with a drive device 5 that drives the first support shaft 41 to rotate, After the first support shaft 41 is rotated, the two sliding bases 31 can move toward each other at the same speed, so that the middle part of the drawing can be stably entered into the folding device 4 for folding, which is conducive to aligning the edges of the drawing after folding.

Referring to FIGS. 1 and 2 , the folding device 4 includes a first platen roller 411 coaxially fixed on the first support shaft 41 , and the first platen roller 411 is disposed between the two unwinding trays 51 ; the paper feed slot 21 A second support shaft 42 is also rotatably supported inside, and the second support shaft 42 is arranged parallel to the first support shaft 41; the second support shaft 42 is coaxially fixed with a second platen roller 421, and the second platen roller 421 The outer wall is tangent to the outer wall of the first platen roller 411; one end of the first support shaft 41 is coaxially fixed with a first gear 412, and one end of the second support shaft 42 is coaxially fixed with a second gear 422. A gear 412 meshes with the second gear 422; when the driving device 5 drives the first support shaft 41 to rotate, through the transmission of the two gears, the second support shaft 42 can rotate in the opposite direction with the first support shaft 41, so that the two The two platen rollers rotate in opposite directions at the same time, so that the middle of the drawing can be squeezed between the two platen rollers to complete the folding of the drawing.

Referring to FIG. 1 and FIG. 2 , in order to allow the drawing to be easily squeezed between the first platen roller 411 and the second platen roller 421 , a platen knife 6 is provided above the paper feeding slot 21 . One end is hinged on the edge of the paper feeding slot 21; the paper platen knife 6 is provided with a blade 61 corresponding to the gap between the two platen rollers, and the blade 61 is rounded to avoid cutting the drawings. When stacking paper, press down the paper platen knife 6, and the folded part of the drawing will enter between the two platen rollers under the action of the blade 61 of the paper platen knife 6, which is beneficial to improve the efficiency and convenience of drawing folding.

Referring to FIGS. 1 and 3 , a plurality of push blocks 23 are fixed on the board surfaces of the support plates 2 on both sides of the paper feed slot 21 , and the plurality of push blocks 23 on the same side of the paper feed slot 21 are located perpendicular to the chute 22 . On the same straight line; the limit plate 33 of the sliding seat 31 is provided with a through hole 331 corresponding to the pushing block 23; when stacking paper, when the sliding seat 31 moves to the pushing block 23, the pushing block 23 The paper clamping block 32 can be pushed to rotate, so that the drawing can be released, so that the drawing can pass through the two platen rollers completely to complete the stacking of paper;

6 , the drive device 5 includes a worm gear 53 coaxially fixed on the first support shaft 41, a worm 54 is rotatably supported on the frame 1, and the worm 54 and the worm gear 53 mesh with each other; one end of the worm 54 is coaxially fixed A runner 55 is provided, and the worker can drive the worm 54 to rotate by rotating the runner 55 , thereby driving the worm wheel 53 to rotate, so as to realize the driving of the first support shaft 41 .

The working principle of the present utility model is that when the drawing needs to be folded, the two edges of the drawing are fixed on the two sliding seats 31 through two paper clamping blocks 32 respectively, and then the paper pressing knife 6 is used to press the drawing on the two sliding seats 31 . At the gap between the two platen rollers, the worker drives the first support shaft 41 and the second support shaft 42 by rotating the runner 55, thereby driving the first platen roller 411 and the second platen roller 421 to rotate , so that the middle of the drawing is squeezed between the two platen rollers; at the same time, the connecting rope 52 pulls the two sliding bases 31 to gradually move toward the paper feeding slot 21 to achieve a uniform speed of paper feeding, which is beneficial to ensure that the drawings are folded. Always keep the remaining lengths on both sides of the paper feed slot 21 the same, so that the drawings can be folded more neatly.

The embodiments of this specific embodiment are preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention shall be Covered within the scope of protection of the present invention.

Claims (9)

1. A drawing folding device, comprising a frame (1), characterized in that: a support plate (2) is provided on the frame (1), and a rectangular paper feed slot is opened on the support plate (2). (21); the support plates (2) on both sides of the paper feed slot (21) are provided with chute (22), and the length direction of the chute (22) is perpendicular to the length direction of the paper feed slot (21); The chute (22) on both sides of the paper feed slot (21) is slidably fitted with a clamping device (3) for holding the drawings; the paper feed slot (21) is rotatably supported with a first support shaft ( 41), the first support shaft (41) is arranged along the length direction of the paper feed slot (21), and a first paper platen roller (411) is coaxially fixed on the first support shaft (41); the paper feed slot ( 21) A second support shaft (42) parallel to the first support shaft (41) is also rotatably supported, and a second platen roller (421) is coaxially fixed on the second support shaft (42); The outer wall of the second platen roller (421) is tangent to the outer wall of the first platen roller (411); one end of the first support shaft (41) is coaxially fixed with a first gear (412). One end of the two support shafts (42) is coaxially fixed with a second gear (422), the first gear (412) and the second gear (422) are in mesh with each other; the first support shaft (41) is connected with a drive The first support shaft (41) rotates and simultaneously drives the driving device (5) of the clamping device (3) to move along the chute (22). 2. A paper folding device according to claim 1, characterized in that: the support plates (2) on both sides of the paper feeding slot (21) are respectively provided with two sliding grooves (22), The groove (22) runs through the support plate (2); the four sliding grooves (22) on both sides of the paper feeding groove (21) are on the same straight line; each of the clamping devices (3) is slidably fitted on the Inside the two chutes (22) on the same side of the paper feed slot (21). 3. A paper folding device according to claim 2, characterized in that: the clamping device (3) comprises a sliding seat (31), and the sliding seat (31) comprises two vertical plates arranged in parallel (311) and a horizontal plate (312) for fixedly connecting the two vertical plates (311); the ends of the two vertical plates (311) are integrally provided with sliding blocks (313), and the two sliding blocks (313) ) are slidably fitted in the two sliding grooves (22) respectively; the horizontal plate (312) is made of magnetic material, and an elongated paper clip (311) is rotatably supported between the two vertical plates (311). 32), the paper clamping block (32) is made of magnetic material, and the rotation axis of the paper clamping block (32) is perpendicular to the plate surface of the vertical plate (311); the paper clamping block (32) includes a 312) the lower surface of the surface that fits. 4 . The drawing folding device according to claim 3 , wherein a rectangular limit plate ( 33 ) is fixedly arranged on the sliding seat ( 31 ), and the limit plate ( 33 ) is vertically arranged on the On the opposite side of the sliding seat (31) and the paper feeding slot (21), the limiting plate (33), the two vertical plates (311) and the horizontal plate (312) are fixed to each other. 5 . The paper folding device according to claim 4 , wherein a plurality of push blocks ( 23 ) are fixedly arranged on the plate surfaces of the support plates ( 2 ) on both sides of the paper feed slot ( 21 ). 6 . A plurality of push blocks (23) located on the same side of the paper feed slot (21) are located on the same straight line perpendicular to the chute (22); on the limit plate (33) of the sliding seat (31) A through hole (331) corresponding to the push block (23) is opened. 6. A paper folding device according to claim 3, characterized in that: the vertical plate (311) is provided with an arc-shaped groove (314), and the paper clamping block (32) is fixedly provided with a dial The moving block (321) is slidably fitted in the arc groove (314). 7. A drawing folding device according to claim 3, characterized in that: a connecting plate (34) is integrally provided with the sliding block (313) below the sliding block (313) of the sliding seat (31); The drive device (5) comprises a worm wheel (53) coaxially fixed on the first support shaft (41), a worm (54) is rotatably supported on the frame (1), and the worm (54) and the worm wheel (53) are mutually meshing; a wheel (55) is coaxially fixed on one end of the worm (54); two unwinding discs (51) are coaxially fixed on the first support shaft (41), and the two unwinding discs (51) are respectively corresponding to the two chutes (22) located on the same straight line; two connecting ropes (52) are fixedly arranged on each of the unwinding reels (51), and the two connecting ropes (52) One end is fixed on the unwinding reel (51), and the other end is respectively fixed on the plate surfaces of the two connecting plates (34) facing the first support shaft (41). 8 . The drawing folding device according to claim 7 , wherein a tension spring ( 341 ) is fixedly arranged on the plate surface of the connecting plate ( 34 ) facing away from the first support shaft ( 41 ), and the tension spring The length direction of (341) is perpendicular to the plate surface of the support plate (2), and the other end of the tension spring (341) is fixed on the frame (1). 9. A drawing folding device according to any one of claims 1-3, characterized in that: a paper pressing knife (6) is provided above the paper feeding slot (21), and one of the paper pressing knives (6) is provided above. The end is hinged on the edge of the paper feeding slot (21); the paper platen knife (6) is provided with a blade (61) corresponding to the gap where the two platen rollers are abutted, and the blade (61) is inverted rounded corners.

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