CN214724537U

CN214724537U - Manual type safety straight wire saw

Info

Publication number: CN214724537U
Application number: CN202121243116.XU
Authority: CN
Inventors: 白牧
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-11-16
Anticipated expiration: 2031-06-04

Abstract

The utility model provides a manual type safety fretsaw belongs to model manufacturing tool technical field, including removing slip table mechanism, apron, frame, stop device and hand drive arrangement, the top spiro union of frame is fixed with removes slip table mechanism, removes slip table mechanism and is connected with hand drive arrangement transmission, and hand drive arrangement offsets with stop device's one end, and stop device's the other end offsets with removing slip table mechanism, and stop device is fixed to be set up in the apron bottom, and the apron mount is established on the top of frame. When the plate cutting device is used, firstly, a cutting track is drawn on a plate by using the calibration ruler, then the plate is fixed on the movable sliding table mechanism, and then the hand-operated driving device is shaken, so that the movable sliding table mechanism and the circular saw are rotated, and finally, the required plate is cut. The utility model discloses sturdy structure through the motion of hand mode simulation straight-line saw, has improved cutting efficiency to have spacing function, effectively guarantee the security of using, be fit for the minor and use.

Description

Manual type safety straight wire saw

Technical Field

The embodiment of the utility model provides a relate to model manufacturing tool technical field, concretely relates to manual type safety straight wire saw.

Background

In order to cultivate the practical ability of teenagers, middle and primary schools in various places actively organize related activities or benefit in summer, and various models are made by the teenagers themselves, so that the comprehensive quality and the scientific interest of the teenagers are improved.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a manual type safety straight wire saw to solve among the prior art because the special tool uses dangerous problem that leads to that the minor is difficult to use.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

the utility model provides a manual type safety fretsaw, including removing slip table mechanism, apron, frame, stop device and hand drive arrangement, the top spiro union of frame is fixed with removes slip table mechanism, it is connected with the transmission of hand drive arrangement to remove slip table mechanism, be provided with the saw blade on the hand drive arrangement just hand drive arrangement offsets with stop device's one end, stop device's the other end offsets with removing slip table mechanism, stop device is fixed to be set up in the apron bottom, the top in the frame is established to the apron mount.

Further, remove slip table mechanism including bloated tight guide pulley, traction wire rope, fixed platform and guide rail, the top spiro union of frame is fixed with the guide rail, slide on the guide rail and set up fixed platform, fixed platform's both ends and two traction wire rope fixed connection, two traction wire rope sets up on two bloated tight guide pulleys, two bloated tight guide pulley is fixed at the both ends of guide rail, two traction wire rope fixes the winding on hand drive arrangement with opposite direction.

Furthermore, two ends of the bottom of the fixed platform are provided with stop blocks.

Further, hand drive arrangement includes rocking handle, low-speed gear, one-level main shaft, high-speed gear and second grade main shaft, two draw wire rope with the fixed winding of opposite direction on the second grade main shaft, fixed cover is equipped with high-speed gear on the second grade main shaft, high-speed gear is connected with low-speed gear meshing transmission, the fixed cover of low-speed gear is established on the one-level main shaft, rocking handle, one-level main shaft end portion is installed to one-level main shaft tip

Furthermore, a limiting bulge is arranged on the primary main shaft.

Further, stop device includes mounting bracket, transmission shaft, reset spring rope, shift fork and driving lever, the apron bottom is fixed with the mounting bracket spiro union, the activity is inserted on the mounting bracket and is equipped with the transmission shaft, the fixed reset spring rope, shift fork and the driving lever of being provided with on the transmission shaft, the tip of reset spring rope links to each other with the apron, the driving lever offsets with the dog that fixed platform bottom set up, the spacing arch that sets up on shift fork and the one-level main shaft offsets.

Further, the reset spring rope comprises a lantern ring, a spring and a steel wire rope, the lantern ring is fixedly sleeved on the transmission shaft and connected with one end of the spring, the other end of the spring is connected with one end of the steel wire rope, and the other end of the steel wire rope is connected with the cover plate.

Further, the apron includes calibration chi, circular saw safety cover and plate body, wire rope's the other end links to each other with the plate body, the plate body spiro union is fixed on the frame top, the plate body side is articulated with the calibration chi, the plate body top is located circular saw department and is provided with the circular saw safety cover.

The embodiment of the utility model provides a have following advantage:

the utility model discloses a manual type safety fretsaw, the mode of adopting the saw blade compares, can play laborsaving timesaving effect, simultaneously through the calibration chi, can show the precision that improves the cutting, and electronic fretsaw compares, this technical scheme's equipment adopts manual drive's mode, the advantage that has obvious security, suitable juvenile uses, when improving its hands-on ability, avoid it to receive the injury, the problem of being difficult to use of juvenile that leads to because specialized tool uses dangerously high among the prior art has been solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a perspective view of a manual safety straight wire saw provided by the present invention;

fig. 2 is a perspective view of a return spring rope of the manual type safety straight wire saw provided by the present invention;

fig. 3 is a perspective view of a limiting device of the manual type safety straight wire saw provided by the present invention;

fig. 4 is a perspective view of a hand-operated driving device of the hand-operated safety straight wire saw provided by the present invention;

fig. 5 is a perspective view of a movable sliding table mechanism of the manual type safety straight wire saw provided by the present invention;

fig. 6 is a perspective view of a cover plate of the manual type safety straight wire saw provided by the present invention;

fig. 7 is a cross-sectional view of a fixed platform of a manual type safety straight wire saw provided by the present invention;

in the figure: 1 moving a sliding table mechanism; 11 expanding and tightening the guide wheel; 12, drawing a steel wire rope; 13 fixing the platform; 14 a guide rail; 2, covering a plate; 21, calibrating a ruler; 22 a circular saw guard; 23, a plate body; 3, a frame; 4, a limiting device; 41, mounting a frame; 42 a drive shaft; 43 a return spring rope; 431 a collar; 432 spring; 433 a steel wire rope; 44 a shifting fork; 45, a deflector rod; 5, a hand-operated driving device; 51 a rocking handle; 52 a low speed gear; 53 primary main shaft; 54 high-speed gear; 55 a secondary main shaft; 6, limiting bulges; 7, a stop block.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-6, the utility model provides a manual type safety fretsaw, including removing slip table mechanism 1, apron 2, frame 3, stop device 4 and hand drive 5, the top spiro union of frame 3 is fixed with removes slip table mechanism 1, remove slip table mechanism 1 and hand drive 5 transmission connection, hand drive 5 drives and removes 1 linear motion of slip table mechanism, because hand drive 5 offsets with stop device 4's one end, be provided with the annular saw on hand drive 5 just stop device 4's the other end offsets with removing slip table mechanism 1, when removing slip table mechanism 1 and moving extreme position, stop device 4 continues to rotate through limiting hand drive 5 to avoid removing slip table mechanism 1 and continue to advance. Stop device 4 is fixed to be set up in apron 2 bottom, apron 2 mount is established on the top of frame 3 to prevent that juveniles' hand from being hindered by the clamp.

According to the utility model provides a specific embodiment, remove slip table mechanism 1 including bloated tight guide pulley 11, haulage wire rope 12, fixed platform 13 and guide rail 14, the top spiro union of frame 3 is fixed with guide rail 14, slide on the guide rail 14 and set up fixed platform 13 to make fixed platform 13 remove along the 14 directions of guide rail. Two ends of the fixed platform 13 are fixedly connected with two traction steel wire ropes 12, and the two traction steel wire ropes 12 are arranged on the two expansion guide wheels 11, so that the traction steel wire ropes 12 are straightened, and the fixed platform 13 is convenient to move. The two expansion guide wheels 11 are fixed at two ends of the guide rail 14, and the two traction steel wire ropes 12 are fixedly wound on the hand-operated driving device 5 in opposite directions, so that the traction steel wire ropes 12 are collected by the hand-operated driving device 5, and the technical effect of moving the fixed platform 13 is achieved.

According to the utility model provides a specific embodiment, fixed platform 13 bottom both ends are provided with dog 7. The end part of the shifting lever 45 is positioned between the stop blocks 7 at the two ends of the fixed platform 13, and when the stop blocks 7 abut against the shifting lever 45, the shifting lever 45 is linked with the shifting lever 45, so that the movement of the hand-operated driving device 5 can be limited.

According to the utility model provides a specific embodiment, hand drive arrangement 5 includes rocking handle 51, low-speed gear 52, one-level main shaft 53, high-speed gear 54 and second grade main shaft 55, two draw wire rope 12 with the fixed winding of opposite direction on second grade main shaft 55 to receive the line unwrapping wire to draw wire rope 12, thereby draw fixed platform 13 and remove. The fixed cover of second grade main shaft 55 is equipped with high-speed gear 54, high-speed gear 54 is connected with low-speed gear 52 meshing transmission, low-speed gear 52 fixed cover is established on one-level main shaft 53, rocking handle 51 is inserted to one end of one-level main shaft 53, the circular saw is fixedly installed to one-level main shaft 53 other end. When in use, the rocking handle 51 can be inserted on the first-stage main shaft 53 and can also be inserted on the second-stage main shaft 55, and because the high-speed gear 54 is larger than the radius of the low-speed gear 52, when the rocking handle 51 is inserted on the second-stage main shaft 55, the first-stage main shaft 53 can obtain higher angular speed, thereby improving the efficiency of circular saw cutting.

According to the utility model provides a specific embodiment, be provided with spacing arch 6 on the one-level main shaft 53. Spacing arch 6 is located shift fork 44 tip position, because shift fork 44 and the coaxial linkage of driving lever 45, when driving lever 45 offseted with dog 7, the tip of shift fork 44 also can offseted with spacing arch 6, has restricted one-level main shaft 53 from this and has continued to rotate, and the annular saw also can the stop motion with fixed platform 13 simultaneously to the security of equipment usage has effectively been improved.

According to the utility model provides a specific embodiment, stop device 4 includes mounting bracket 41, transmission shaft 42, reset spring rope 43, shift fork 44 and driving

lever

45, 2 bottoms of apron are fixed with the 41 spiro couplings of mounting bracket, the activity is inserted on the mounting bracket 41 and is equipped with transmission shaft 42, fixed reset spring rope 43, shift fork 44 and the driving lever 45 of being provided with on the transmission shaft 42, the tip of reset spring rope 43 links to each other with apron 2, and reset spring rope 43 plays the effect that supports and reset to prevent that shift fork 44 from freely swinging and leading to the problem of one-level main shaft 53 auto-lock. The shifting lever 45 abuts against a stop block 7 arranged at the bottom of the fixed platform 13, and the shifting fork 44 abuts against a limiting bulge 6 arranged on the primary spindle 53. The shifting fork 44 and the shifting rod 45 are linked through a transmission shaft, so that the technical effect of limiting the fixed platform 13 is achieved.

According to the utility model provides a specific embodiment, reset spring rope 43 includes lantern ring 431, spring 432 and wire rope 433, the fixed cover is equipped with lantern ring 431 on the transmission shaft 42, lantern ring 431 links to each other with spring 432 one end, spring 432's the other end links to each other with wire rope 433's one end, wire rope 433's the other end links to each other with apron 2, from this through spring 432's elastic action for wire rope 433 is enough taut lantern ring 431, thereby causes the problem of one-level main shaft 53 auto-lock for avoiding the swing of shift fork 44.

According to the utility model provides a specific embodiment, apron 2 includes calibration chi 21, circular saw safety cover 22 and plate body 22, wire rope 433's the other end links to each other with plate body 22, plate body 22 spiro union is fixed on 3 tops in the frame, plate body 22 side is articulated with calibration chi 21, and calibration chi 21 is used for correcting the cutting position of circular saw. A circular saw protecting cover 22 is arranged above the plate body 22 and at the position of the circular saw. The guard 22 is located above the circular saw and the circular saw guard 22 is hinged at the outer edge of the blade body 22 to prevent interference problems during cutting. And thus serves to protect personnel from injury.

The utility model discloses use as follows:

the utility model discloses a manual type safety fretsaw, when it specifically uses, at first utilize the cutting position of calibration chi 21 definite panel, and fix panel on fixed platform 13, later rotate rocking handle 51 and will utilize wire rope 433 to pull fixed platform 13 and move on guide rail 14, thereby one-level main shaft 53 rotates and drives the annular saw rotation simultaneously, so that pile panel cuts, at last after the cutting is accomplished, fixed platform 13 moves extreme position, dog 7 offsets with driving lever 45, thereby make shift fork 44 swing, offset with spacing arch 6 then, thereby the restriction annular saw continues to rotate, the security of using has been improved from this.

The utility model discloses, sturdy structure, it is convenient to use, and the minor operation of being convenient for has solved among the prior art because specialized tool uses dangerous high and the problem that the minor is difficult to use.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a manual type safety fretsaw, its characterized in that, is including removing slip table mechanism (1), apron (2), frame (3), stop device (4) and hand drive arrangement (5), the top spiro union of frame (3) is fixed with removes slip table mechanism (1), remove slip table mechanism (1) and hand drive arrangement (5) transmission and be connected, be provided with the annular saw on hand drive arrangement (5) just hand drive arrangement (5) offset with the one end of stop device (4), the other end and the removal slip table mechanism (1) of stop device (4) offset, stop device (4) are fixed to be set up in apron (2) bottom, the top in frame (3) is established to apron (2) mount.

2. The manual type safety straight wire saw according to claim 1, wherein the moving sliding table mechanism (1) comprises expansion guide wheels (11), traction steel wire ropes (12), a fixed platform (13) and a guide rail (14), the guide rail (14) is fixed on the top end of the machine frame (3) in a threaded manner, the fixed platform (13) is slidably arranged on the guide rail (14), two ends of the fixed platform (13) are fixedly connected with the two traction steel wire ropes (12), the two traction steel wire ropes (12) are arranged on the two expansion guide wheels (11), the two expansion guide wheels (11) are fixed on two ends of the guide rail (14), and the two traction steel wire ropes (12) are fixedly wound on the hand-operated driving device (5) in opposite directions.

3. The safety straight wire saw of claim 2, wherein the fixed platform (13) is provided with stoppers (7) at both ends of the bottom thereof.

4. The manual type safety jigsaw according to claim 3, wherein the manual driving device (5) comprises a rocking handle (51), a low speed gear (52), a primary spindle (53), a high speed gear (54) and a secondary spindle (55), the two pulling cables (12) are fixedly wound on the secondary spindle (55) in opposite directions, the high speed gear (54) is fixedly sleeved on the secondary spindle (55), the high speed gear (54) is in meshing transmission connection with the low speed gear (52), the low speed gear (52) is fixedly sleeved on the primary spindle (53), and the rocking handle (51) is mounted at the end of the primary spindle (53).

5. The safety straight wire saw of claim 4, wherein the primary spindle (53) is provided with a limit protrusion (6).

6. The manual type safety straight wire saw according to claim 5, wherein the limiting device (4) comprises a mounting frame (41), a transmission shaft (42), a return spring rope (43), a shifting fork (44) and a shifting lever (45), the bottom of the cover plate (2) is fixed with the mounting frame (41) in a threaded manner, the transmission shaft (42) is movably inserted into the mounting frame (41), the return spring rope (43), the shifting fork (44) and the shifting lever (45) are fixedly arranged on the transmission shaft (42), the end of the return spring rope (43) is connected with the cover plate (2), the shifting lever (45) abuts against a stop block (7) arranged at the bottom of the fixed platform (13), and the shifting fork (44) abuts against a limiting protrusion (6) arranged on the primary spindle (53).

7. The manual type safety straight wire saw according to claim 6, wherein the return spring string (43) comprises a collar (431), a spring (432) and a wire rope (433), the collar (431) is fixedly sleeved on the transmission shaft (42), the collar (431) is connected with one end of the spring (432), the other end of the spring (432) is connected with one end of the wire rope (433), and the other end of the wire rope (433) is connected with the cover plate (2).

8. The safety jigsaw according to claim 7, wherein the cover plate (2) comprises a calibration ruler (21), a circular saw guard (22) and a plate body (23), the other end of the wire rope (433) is connected with the plate body (23), the plate body (23) is fixed to the top end of the frame (3) in a screwed manner, the side surface of the plate body (23) is hinged to the calibration ruler (21), and the circular saw guard (22) is arranged above the plate body (23) and located at the circular saw.