CN212885439U

CN212885439U - Adjustable speed change device of annular saw cutting machine

Info

Publication number: CN212885439U
Application number: CN202022008650.4U
Authority: CN
Inventors: 冯楠
Original assignee: Maanshan Long Yuan Machinery Technology Co ltd
Current assignee: Maanshan Long Yuan Machinery Technology Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-04-06
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses an adjustable speed change device of a circular saw cutting machine, which comprises a speed change shell, a speed change driving mechanism, an external mechanism, an adjusting slide way and an adjusting slide block, when the rotating speed of a saw blade of the circular saw cutting machine is adjusted, the adjusting nut on the upper side is unscrewed, a motor plate is made to rebound outwards under the action of a reset spring, the speed change gear on the lower side is driven to be separated from a driven tooth groove at the same time, the sliding of the external adjusting slide block is reused, the extension length of an embedded rod is adjusted, the adjusting nut on the lower side is adjusted, the motor plate is made to compress the reset spring inwards, after the tooth groove of the speed change gear with larger internal diameter is meshed with the driven tooth groove at the same time, a driving shaft and the speed change gear are rotated by a driving motor, thereby the driven tooth groove and the embedded rod are driven, the embedded rod and the external sleeve pipe are rotated, effectively improve the work efficiency of cutting.

Description

Adjustable speed change device of annular saw cutting machine

Technical Field

The utility model relates to an annular saw cuts machine technical field, specifically is an adjustable speed change gear of annular saw cuts machine.

Background

The modern equipment manufacturing industry is developing towards the direction of high efficiency, high precision and economy at present, and the metal saw cutting is used as the starting point of the metal cutting processing and becomes an important component link in the part processing process, the saw cutting can save materials, reduce secondary processing amount and improve production efficiency, therefore, the sawing machine, in particular to an automatic band sawing machine, is widely applied to various fields of national economy such as steel, petroleum, mines, automobiles, shipbuilding, aerospace and the like, the annular cutting sawing machine is equipment mainly used for sawing various metal materials such as carbon structural steel, low alloy steel, high alloy steel, special alloy steel, stainless steel, acid-resistant steel and the like, the cutting work of metal raw materials is realized by driving the high-speed rotation of the saw blade, the annular cutting machine in the prior art needs to drive the saw blade to carry out cutting operation by using different rotating speeds according to the actual processing requirements and different cutting materials, at present, the saw blade can not be quickly adjusted and changed in speed, so that the adjusting time of the equipment is prolonged, and the cutting work efficiency is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable speed change device of annular saw cutter, when carrying out the rotational speed adjustment of annular saw cutter saw bit, through unscrewing the adjusting nut with the upside, make the motor board outwards kick-back under reset spring's effect, drive the change gear and the separation of driven tooth's socket of downside simultaneously, recycle outside adjusting block's slip, the length of stretching out of inserted bar in the adjustment, adjust the adjusting nut of downside, make the motor board push down reset spring, simultaneously the great change gear tooth's socket of inside diameter and driven tooth's socket intermeshing back, make drive shaft and change gear rotate by driving motor, thereby drive driven tooth's socket and interior inserted bar, inserted bar and external sheathed tube rotation, thereby reach quick variable speed's purpose, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an adjustable speed change device of annular saw cutter, includes variable speed shell, variable speed actuating mechanism, external mechanism, regulation slide and adjusting block, variable speed actuating mechanism is installed respectively to the upper and lower both sides of variable speed shell, the external mechanism of right side installation of variable speed shell, the front of variable speed shell is equipped with the regulation slide, install adjusting block in the regulation slide.

The variable speed drive mechanism comprises a motor plate, a drive motor, a base connecting plate, an adjusting screw, an adjusting nut, a drive shaft, a reset spring, a variable speed gear and a fixing bolt, wherein the drive motor is installed at the top of the motor plate, the two ends of the motor plate are respectively connected with the base connecting plate through the adjusting screw, the adjusting nut is installed on the upper side of the adjusting screw, the drive shaft is installed at the bottom of the motor plate and the center of the base connecting plate, the reset spring is arranged on the outer side of the drive shaft between the motor plate and the base connecting plate, the variable speed gear is arranged at the bottom of the drive shaft, and the fixing bolt is installed at the two.

Preferably, external mechanism includes inlay card board, external sleeve pipe, inlay loop bar, regulating spring, limit bottom plate, embedded bar, gear base, driven tooth's socket, rotating base and connecting rod, the outside of inlay card board is equipped with external sleeve pipe, the inboard of inlay card board is equipped with inlay loop bar, the inside bottom of inlay loop bar is equipped with regulating spring, regulating spring's end-to-end connection limit bottom plate, limit bottom plate's rear side is equipped with embedded bar, the end of embedded bar is equipped with gear base, gear base's the outside is equipped with driven tooth's socket, gear base's outside center department is equipped with rotating base, the erection joint pole in the rotating base.

Preferably, the outer side surface of the external sleeve is provided with a nesting bayonet.

Preferably, the diameter of the speed change gear on the lower side is larger than that of the speed change gear on the upper side.

Preferably, the connecting rod is connected to the bottom of the outer adjusting slider.

Preferably, a countersunk bolt is mounted inside the upper side of the adjusting slider.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the adjustable speed change device of the circular saw cutting machine of the utility model can adjust the rotating speed of the saw blade of the circular saw cutting machine, the motor plate rebounds outwards under the action of the return spring by unscrewing the adjusting nut on the upper side, meanwhile, the speed change gear on the lower side is driven to be separated from the driven tooth groove, the extension length of the embedded rod is adjusted by utilizing the sliding of the external adjusting slide block, the adjusting nut on the lower side is adjusted, so that the motor plate inwards compresses the return spring, meanwhile, after the tooth grooves of the speed changing gear with larger internal diameter are meshed with the driven tooth grooves, the driving motor drives the driving shaft and the speed changing gear to rotate, thereby driving the driven tooth socket, the embedded rod and the external sleeve to rotate, thereby achieving the purpose of rapid speed change, the utility model has complete and reasonable structure, the saw blade adjusting device effectively achieves quick adjustment and speed change of the saw blade, reduces adjusting time of equipment, and effectively improves cutting work efficiency.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of a partial cross-sectional structure of the variable speed drive mechanism of the present invention;

fig. 4 is a schematic view of a partial cross-sectional structure of the external connection mechanism of the present invention.

In the figure: 1. a transmission housing; 2. a variable speed drive mechanism; 21. a motor plate; 22. a drive motor; 23. a base plate receiving; 24. adjusting the screw rod; 25. adjusting the nut; 26. a drive shaft; 27. a return spring; 28. a speed change gear; 29. fixing the bolt; 3. an external connection mechanism; 31. a card panel; 32. a sleeve is externally connected; 33. embedding a sleeve rod; 34. adjusting the spring; 35. a limiting bottom plate; 36. a rod is embedded; 37. a gear base; 38. a driven tooth groove; 39. rotating the base; 310. a connecting rod; 4. adjusting the slide way; 5. and adjusting the sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-2, an adjustable speed change device of a circular saw cutting machine includes a speed change housing 1, a speed change driving mechanism 2, an external mechanism 3, an adjusting slide 4 and an adjusting slide 5, wherein the speed change driving mechanism 2 is respectively installed on the upper and lower sides of the speed change housing 1, the external mechanism 3 is installed on the right side of the speed change housing 1, the adjusting slide 4 is installed on the front side of the speed change housing 1, the adjusting slide 5 is installed in the adjusting slide 4, and a counter bore bolt is installed inside the upper side of the adjusting slide 5.

Referring to fig. 3, the speed change driving mechanism 2 includes a motor plate 21, a driving motor 22, a base plate 23, an adjusting screw 24, an adjusting nut 25, a driving shaft 26, a return spring 27, a speed change gear 28 and a fixing bolt 29, the driving motor 22 is installed on the top of the motor plate 21, two ends of the motor plate 21 are respectively connected to the base plate 23 through the adjusting screw 24, the adjusting nut 25 is installed on the upper side of the adjusting screw 24, the driving shaft 26 is installed on the bottom of the motor plate 21 and the center of the base plate 23, the return spring 27 is installed on the outer side of the driving shaft 26 between the motor plate 21 and the base plate 23, the speed change gear 28 is installed on the bottom of the driving shaft 26, the diameter of the lower speed change gear 28 is larger than that of the upper speed change gear 28, and the.

Referring to fig. 4, the external mechanism 3 includes a clamping plate 31, an external sleeve 32, an embedded rod 33, an adjusting spring 34, a limiting bottom plate 35, an embedded rod 36, a gear base 37, a driven tooth groove 38, a rotating base 39 and a connecting rod 310, the external sleeve 32 is disposed on the outer side of the clamping plate 31, a nesting bayonet is disposed on the outer side of the external sleeve 32, the embedded rod 33 is disposed on the inner side of the clamping plate 31, the adjusting spring 34 is disposed at the bottom end inside the embedded rod 33, the tail end of the adjusting spring 34 is connected to the limiting bottom plate 35, the internal embedded rod 36 is disposed on the rear side of the limiting bottom plate 35, the gear base 37 is disposed at the tail end of the embedded rod 36, the driven tooth groove 38 is disposed on the outer side of the gear base 37, the rotating base 39 is disposed at the center of the outer side of the gear base 37, the connecting rod.

The utility model discloses difference with prior art: the circular saw cutting machine of the prior art needs to use different rotating speeds to drive the saw blade to carry out cutting operation according to actual processing requirements and different cutting materials, but the rapid adjustment speed change of the saw blade cannot be realized at present, thereby prolonging the adjustment time of equipment and greatly reducing the working efficiency of cutting, the adjustable speed change device of the circular saw cutting machine of the utility model ensures that the motor plate 21 rebounds outwards under the action of the reset spring 27 by unscrewing the adjusting nut 25 at the upper side when the rotating speed of the saw blade of the circular saw cutting machine is adjusted, simultaneously drives the speed change gear 28 at the lower side to be separated from the driven tooth socket 38, reuses the sliding of the external adjusting slide block 5, adjusts the extension length of the embedded rod 36, adjusts the adjusting nut 25 at the lower side, ensures that the motor plate 21 compresses the reset spring 27 inwards, and simultaneously, after the tooth socket of the speed change gear 28 with larger internal diameter is meshed with the driven tooth socket 38, the driving motor 22 rotates the driving shaft 26 and the speed-changing gear 28, so as to drive the driven tooth slot 38, the embedded rod 36, the nested rod 33 and the external sleeve 32 to rotate, thereby achieving the purpose of rapid speed change.

In summary, the following steps: the utility model discloses adjustable speed change device of circular saw cutter, when carrying out the rotational speed adjustment of circular saw cutter saw bit, through unscrewing the adjusting nut 25 of upside, make motor board 21 outwards kick-back under reset spring 27's effect, drive the separation of change gear 28 and driven tooth's socket 38 of downside simultaneously, recycle the slip of outside adjusting block 5, the extension length of embedded bar 36 in the adjustment, adjust the adjusting nut 25 of downside, make motor board 21 inwards compress reset spring 27, simultaneously after the tooth's socket of change gear 28 that the inside diameter is great and driven tooth's socket 38 intermeshing, make drive shaft 26 and change gear 28 rotate by driving motor 22, thereby drive driven tooth's socket 38 and embedded bar 36, nested bar 33 and external sleeve 32's rotation, thereby reach the mesh of quick variable speed, the utility model discloses it is complete reasonable in structure, it has effectively realized the quick adjustment variable speed of saw bit, the equipment adjusting time is shortened, and the cutting work efficiency is effectively improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable speed change device of annular saw cutter, includes variable speed shell (1), variable speed actuating mechanism (2), external mechanism (3), adjusts slide (4) and adjusts slider (5), its characterized in that: the upper side and the lower side of the speed change shell (1) are respectively provided with a speed change driving mechanism (2), the right side of the speed change shell (1) is provided with an external connection mechanism (3), the front side of the speed change shell (1) is provided with an adjusting slide way (4), and an adjusting slide block (5) is arranged in the adjusting slide way (4);

the variable-speed driving mechanism (2) comprises a motor plate (21), a driving motor (22), a base connecting plate (23), an adjusting screw rod (24), an adjusting nut (25), a driving shaft (26), a return spring (27), a variable-speed gear (28) and a fixing bolt (29), a driving motor (22) is arranged at the top of the motor plate (21), two ends of the motor plate (21) are respectively connected with a base connecting plate (23) through adjusting screws (24), an adjusting nut (25) is arranged on the upper side of the adjusting screw rod (24), a driving shaft (26) is arranged at the bottom of the motor plate (21) and the center of the base connecting plate (23), a return spring (27) is arranged on the outer side of the driving shaft (26) between the motor plate (21) and the base connecting plate (23), the bottom of drive shaft (26) is equipped with change gear (28), fixing bolt (29) are installed respectively to the both ends of base fishplate bar (23).

2. The adjustable speed change device of the circular saw cutting machine as claimed in claim 1, wherein: the external mechanism (3) comprises a clamping plate (31), an external sleeve (32), an embedded rod (33), an adjusting spring (34), a limiting bottom plate (35), an embedded rod (36), a gear base (37), a driven tooth socket (38), a rotating base (39) and a connecting rod (310), the external sleeve (32) is arranged on the outer side of the clamping plate (31), the embedded rod (33) is arranged on the inner side of the clamping plate (31), the adjusting spring (34) is arranged at the bottom end inside the embedded rod (33), the tail end of the adjusting spring (34) is connected with the limiting bottom plate (35), the internal embedded rod (36) is arranged on the rear side of the limiting bottom plate (35), a gear base (37) is arranged at the tail end of the internal embedded rod (36), the driven tooth socket (38) is arranged on the outer side of the gear base (37), and the rotating base (39) is arranged at the center of the outer side of the gear base, and a connecting rod (310) is arranged in the rotating base (39).

3. The adjustable speed change device of the circular saw cutting machine as claimed in claim 2, wherein: the outer side surface of the external sleeve (32) is provided with a nesting bayonet.

4. The adjustable speed change device of the circular saw cutting machine as claimed in claim 1, wherein: the diameter of the speed change gear (28) at the lower side is larger than that of the speed change gear (28) at the upper side.

5. The adjustable speed change device of the circular saw cutting machine as claimed in claim 2, wherein: the connecting rod (310) is connected to the bottom of the outer side adjusting sliding block (5).

6. The adjustable speed change device of the circular saw cutting machine as claimed in claim 1, wherein: and a counter bore bolt is arranged inside the upper side of the adjusting slide block (5).