A kind of saw band tension-adjusting gear of mould production band sawing machine
【Technical field】
The present invention relates to a kind of technical field of mould production band sawing machine, particularly a kind of mould production band sawing machine
The technical field of saw band tension-adjusting gear.
【Background technology】
At present, in general horizontal band sawing machine, saw band tightening is to make to open by screw mandrel, slide using saw band tightening handwheel
Tight saw wheel is moved to realize.The saw band tightening device of prior art when in use, will first unclamp the locking of fixed tensioning saw wheel
Nut, saw band tightening handwheel is then rotated, tensioning saw wheel movement is adjusted by screw mandrel, slide, it is number in operation
It is tired, and it is unable to auto-tensioning.And determining whether saw band tightening is appropriate, operator is mainly carried out to saw band tightening by rule of thumb
Regulation is random big.And the operator's regulation saw band tightening appropriateness lacked experience is general more difficult.
【The content of the invention】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of saw band of mould production band sawing machine
Apparatus for adjusting force, saw band can be tensioned automatically, and it is easy to operate.
To achieve the above object, the present invention proposes a kind of saw band tension-adjusting gear of mould production band sawing machine, wraps
Include framework, hollow axis body, regulation rotating disk, constant force spring, two slotted eyes, two the first block seats, slide rail, slip pedestal, connection machine
Structure, the first connection axis body, the second connection axis body, the second block seat and clamp nut, the front end of the framework are provided with slide rail, the cunning
Coordinate on rail and slip pedestal is installed, the rear end for sliding pedestal is provided with the second connection axis body, on the back body of the framework
Hollow axis body is equipped with, the hollow axis body is provided with the regulation rotating disk of threaded connection, the sky in the outside of the back body of framework
The front end outer ring face of spindle body is provided with the second block seat, and the upper and lower ends of the hollow axis body are all provided with grooved hole, the hollow shaft
The first connection axis body provided with front end through the front body of framework, the first connection axis body are equipped with the outside of slotted eye in vivo
First block seat, constant force spring, first connecting shaft are arranged with the hollow axis body between second block seat and the first block seat
Body is provided with clamp nut in the front of framework, and the front end of the first connection axis body is connected axis body by bindiny mechanism with second
Rear end is fixedly connected.
Preferably, the bindiny mechanism includes two rotation seats, the 3rd connection axis body, two slotted holes, hand lever, cards
Seat and two the 4th connection axis bodies, the front end of the first connection axis body are equipped with the 3rd connection axis body, the 3rd connecting shaft
The upper and lower ends of body are equipped with rotation seat, slotted hole are equipped with the rotation seat, the rear end of the second connection axis body is two
The 4th connection axis body is equipped with individual slotted hole, the front end of the hand lever and the rotation seat of top make that connection can be rotated upwardly and downwardly,
The first connection axis body is provided with the deck of fixed manual bar.
Preferably, when the 4th connecting shaft body is located at the lower end of slotted hole, the slotted hole is vertical state.
Preferably, the deck is provided with the neck being engaged with hand lever, the width of rebate of neck is slightly smaller than manual
The diameter of bar.
Preferably, on first block seat integrally formed with through slotted hole and insert the first connecting shaft body in the 5th
Axis body is connected, the 5th connection axis body is connected axis body with first and is welded to connect.
Beneficial effects of the present invention:The present invention is moved backward by rotating the regulation hollow axis body of driven by rotary disc, hollow axis body
The second block seat is driven to compress constant force spring, the first block seat drives the first connection axis body to move backward by the effect of constant force spring,
First connection axis body drives the second connection axis body to move backward by bindiny mechanism, and the second connection axis body, which drives, slides pedestal fortune
It is dynamic, moved backward installed in the band saw wheel slided on pedestal, realize the tensioning to saw band, and pass through clamp nut and connection machine
The cooperation of structure, facilitate the disassembly and installation of saw band, compared with prior art, saw band can be tensioned automatically, it is easy to operate,
And facilitate the disassembly and installation of saw band.
The feature and advantage of the present invention will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of structural representation of the saw band tension-adjusting gear of mould production band sawing machine of the present invention;
Fig. 2 is the top view that slotted hole is located on rotation seat.
In figure:The hollow axis body of 231- frameworks, 232-, 233- regulations rotating disk, 234- constant force springs, 235- slotted eyes, 236- the
One block seat, 237- slide rails, 238- slide pedestal, 239- bindiny mechanisms, the connections of 2310- first axis body, the connecting shafts of 2311- second
Body, the block seats of 2312- second, 2313- clamp nuts, 2391- rotation seats, the connections of 2392- the 3rd axis body, 2393- slotted holes,
2394- hand levers, 2395- decks, the connections of 2396- the 4th axis body, the connection axis bodies of 2361- the 5th.
【Embodiment】
Refering to Fig. 1,2, a kind of saw band tension-adjusting gear of mould production band sawing machine of the present invention, including framework 231, sky
Spindle body 232, regulation rotating disk 233, constant force spring 234, two slotted eye 235, two the first block seat 236, slide rail 237, sliding seat
Body 238, bindiny mechanism 239, first connect axis body 2310, second and connect axis body 2311, the second block seat 2312 and clamp nut
2313, the front end of the framework 231 is provided with slide rail 237, coordinates to be provided with the slide rail 237 and slides pedestal 238, the slip
The rear end of pedestal 238 is provided with the second connection axis body 2311, and hollow axis body 232 is equipped with the back body of the framework 231, described
Hollow axis body 232 is provided with the regulation rotating disk 233 of threaded connection in the outside of the back body of framework 231, the hollow axis body 232
Front end outer ring face is provided with the second block seat 2312, and the upper and lower ends of the hollow axis body 232 are all provided with grooved hole 235, described hollow
The first connection axis body 2310 in axis body 232 provided with front end through the front body of framework 231, the first connection axis body 2310 exist
The outside of slotted eye 235 is equipped with the first block seat 236, the hollow axis body 232 between the block seat 236 of the second block seat 2312 and first
On be arranged with constant force spring 234, the first connection axis body 2310 is provided with clamp nut 2313 in the front of framework 231, described
The rear end that the front end of first connection axis body 2310 is connected axis body 2311 by bindiny mechanism 239 with second is fixedly connected, the company
Connection mechanism 239 includes two rotation seats the 2391, the 3rd and connects axis body 2392, two slotted holes 2393, hand lever 2394, decks
2395 and two the 4th connection axis bodies 2396, it is described first connection axis body 2310 front end be equipped with the 3rd connection axis body 2392,
The upper and lower ends of the 3rd connection axis body 2392 are equipped with rotation seat 2391, and slotted hole is equipped with the rotation seat 2391
2393, the rear end of the second connection axis body 2311 is equipped with the 4th connection axis body 2396 in two slotted holes 2393, described
The front end of hand lever 2394 and the rotation seat 2391 of top make that connection can be rotated upwardly and downwardly, and the first connection axis body 2310 is provided with
The deck 2395 of fixed manual bar 2394, when the 4th connection axis body 2396 is located at the lower end of slotted hole 2393, the flute profile
Hole 2393 is vertical state, and the deck 2395 is provided with the neck being engaged with hand lever 2394, and the width of rebate of neck is slightly
Less than the diameter of hand lever 2394, connected on first block seat 236 integrally formed with through slotted hole 2393 and insertion first
The 5th connection axis body 2361 in axis body 2310, the 5th connection axis body 2361 are connected axis body 2310 with first and are welded to connect.
The course of work of the present invention:
A kind of saw band tension-adjusting gear of mould production band sawing machine of the present invention in the course of the work, rotates regulation rotating disk
233 drive hollow axis body 232 to move backward, and hollow axis body 232 drives the second block seat 2312 compression constant force spring 234, after compression
Constant force spring 234 the first block seat 236 is moved backward the rearward force of the first block seat 236, the first block seat 236 drive first
Connection axis body 2310 moves backward, and the first connection axis body 2310 drives the second connection axis body 2311 backward by bindiny mechanism 239
Motion, the second connection axis body 2311 drive slip pedestal 238 to move, moved backward installed in the band saw wheel slided on pedestal 238,
Realize the tensioning to saw band.
When saw band needs dismounting, rotate clamp nut 2313 and move backward until contradicting on the front body of framework 231,
Hand lever 2394 is pulled then up to remove until in the neck from deck 2395, is then pulling the band of hand lever 2394 counterclockwise
Dynamic rotation seat 2391 rotates, and rotation seat 2391 drives the second connection by slotted hole 2393 with the 4th cooperation for being connected axis body 2396
Axis body 2311 travels forward, and the second connection axis body 2311 drives slip pedestal 238 to travel forward, on slip pedestal 238
Band saw wheel travel forward, release the tensioning to saw band, then can remove saw band;When saw band is installed, saw band is enclosed on saw band
On wheel, hand lever 2394 is then pulled clockwise and drives rotation seat 2391 to rotate, rotation seat 2391 passes through slotted hole 2393 and the
The cooperation of four connection axis bodies 2396 drives the second connection axis body 2311 to move backward, and the second connection axis body 2311, which drives, slides pedestal
238 move backward, are moved backward installed in the band saw wheel slided on pedestal 238, until the 4th connection axis body 2396 is located at flute profile
The lower end in hole 2393, hand lever 2394 is then pulled downwards and is caught in the neck of deck 2395, then rotate clamp nut 2313
Travel forward a certain distance.
Compared with prior art, saw band can be tensioned automatically, it is easy to operate, and facilitate dismounting and the peace of saw band
Dress.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme belong to protection scope of the present invention.