CN111070296B

CN111070296B - Automatic blade replacing device for cutting wheel

Info

Publication number: CN111070296B
Application number: CN202010119808.7A
Authority: CN
Inventors: 不公告发明人
Original assignee: Yongkang Chiffon Automation Equipment Co ltd
Current assignee: Yongkang Chiffon Automation Equipment Co ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-08-25
Anticipated expiration: 2040-02-26
Also published as: CN111070296A

Abstract

The invention discloses an automatic cutter blade replacing device for a cutting wheel, which comprises a base, wherein a supporting rod is fixed at the upper end of the base, a cutting mechanism capable of driving the cutter to rotate is arranged in the supporting rod, a driving mechanism for outputting power is arranged at the left side of the supporting rod, a supporting plate is fixed at the upper end of the supporting rod, a replacing mechanism capable of automatically replacing a cutter is arranged at the right end of the supporting plate, the replacing mechanism comprises a supporting block fixed at the right end of the supporting plate, a transmission cavity with a left opening and a lower end wall communicated with the outside is arranged in the supporting block, a connecting cavity with a downward opening is arranged in the right end wall of the transmission cavity, the device has simple structure and convenient operation, automatically finishes the replacement process through mechanical transmission, the worn blade is dismounted and the new blade is mounted without manually operating and screwing a screw, so that the replacement speed is greatly improved, and the normal operation of the following work is facilitated.

Description

Automatic blade replacing device for cutting wheel

Technical Field

The invention relates to the field of mechanical cutters, in particular to an automatic blade replacing device for a cutting wheel.

Background

The cutting machine is used as a necessary machine for workers to cut materials daily, but the cutting tool is worn in the using process and needs to be replaced under necessary conditions;

however, in the process of replacement, it is necessary to manually remove the protection parts such as screws, which is troublesome, not beneficial to improve the efficiency of replacement, and also easily affects the following work.

Disclosure of Invention

The invention aims to solve the technical problem of providing an automatic blade replacing device for a cutting wheel, which solves the problems of low replacing efficiency and the like, thereby improving the replacing efficiency.

The invention is realized by the following technical scheme.

The invention relates to an automatic cutter replacing device for a cutting wheel, which comprises a base, wherein a supporting rod is fixed at the upper end of the base, a cutting mechanism capable of driving a cutter to rotate is arranged in the supporting rod, a driving mechanism for outputting power is arranged at the left side of the supporting rod, a supporting plate is fixed at the upper end of the supporting rod, a replacing mechanism capable of automatically replacing the cutter is arranged at the right end of the supporting plate, the replacing mechanism comprises a supporting block fixed at the right end of the supporting plate, a transmission cavity with a left opening and a lower end wall communicated with the outside is arranged in the supporting block, a connecting cavity with a downward opening is arranged in the right end wall of the transmission cavity, a connecting plate with the lower end positioned outside is slidably connected in the connecting cavity, a connecting spring with the upper end fixedly connected with the upper end wall of the connecting cavity is fixed at the upper end of the connecting plate, a telescopic, still be equipped with the right end wall in the backup pad right-hand member and run through the chamber that cuts that link through the chamber, cut intracavity sliding connection have cut the board and connect cut the board with the compression spring who cuts the chamber left end wall, transmission chamber right-hand member wall is fixed with the fixed axle, both sides are equipped with the right-hand member about the fixed axle with transmission chamber right-hand member wall fixed connection's extension spring, the supporting shoe left side is equipped with right-hand member and two extension spring fixed connection's annular piece, be fixed with on the annular piece by the removal protection shield that the annular piece left end runs through, be equipped with the spacing annular of left end wall intercommunication outside in the removal protection shield, sliding connection has two stoppers in the spacing annular, the stopper left end is fixed with the magnet piece that the left end is located the outside and can inhale mutually with the cutter, the backup pad lower extreme still is fixed with the fixed block, the fixed block lower extreme is fixed with be used for the protection and the, and an auxiliary mechanism for assisting in replacing the cutter is also arranged in the upper end of the supporting rod.

Furthermore, the cutting mechanism comprises a lifting cavity which is positioned in the supporting rod and is communicated with the outside of the left end wall, the right end wall and the front end wall of the lifting block, a lifting block and a supporting spring for supporting the lifting block are connected in the lifting cavity in a sliding manner, a sliding cavity penetrating through the left end wall and the right end wall of the lifting block is arranged in the lifting block, a sliding block and two sliding springs for connecting the sliding block and the end wall of the sliding cavity are connected in the sliding cavity in a sliding manner, a rotating shaft penetrating through the supporting rod, the sliding block, the annular block and the left end wall of the transmission cavity at the right end is arranged at the left side of the supporting rod and is positioned in the transmission cavity, a friction plate for clamping a cutter is fixed at the right end of the rotating shaft, an ejection cavity with a right opening is arranged at the upper side of the left end wall of the lifting cavity, the left end of the ejection block is fixed with a left end which penetrates through the left end wall of the ejection cavity and the lower side of the fixed shaft, the right end wall of the transmission cavity and the chain fixedly connected with the fixed shaft, a limit groove with a left opening is further arranged in the upper end of the lifting block, and the upper end of the limit groove is fixed with a connecting rope with an upper end which penetrates through the upper end wall of the lifting cavity and the left end wall of the cutting cavity and fixedly connected with the cutting plate.

Further, actuating mechanism is including fixing the driving motor of bracing piece left end face, driving motor left end power connection has the drive shaft, the drive shaft left end is fixed with drive gear, the axis of rotation left end be fixed with drive gear passes through the belt and realizes driven second belt pulley, the axis of rotation left end still is fixed with drive gear.

Further, the auxiliary mechanism is including being located lift intracavity upper end wall's slave cavity, slave cavity right-hand member wall rotates and is connected with the driven shaft that the left end is located the outside, the driven shaft right-hand member is fixed with the reel, the winding has the upper end to run through on the reel slave cavity upper end wall with the transmission chamber about the end wall and with annular block fixed connection's rope, the driven shaft left end still be fixed with can with drive gear meshed driven gear.

Furthermore, the friction force between the friction plate and the cutter is enough to enable the friction plate to drive the cutter to cut, and two inclined planes are arranged at the right end of the ejection block.

The invention has the beneficial effects that: the device simple structure, the simple operation through mechanical transmission, and the automatic change in-process that accomplishes unloads to wearing and tearing blade and to the installation to new blade, does not need people's manual operation to twist and moves the screw, has greatly improved the speed of changing, is favorable to the normal clear of following work.

Drawings

In order to more clearly illustrate the embodiments of the 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, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of the structure A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the structure B-B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is an enlarged view of the structure at C in FIG. 1 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The automatic blade replacing device for the cutting wheel, which is described in conjunction with fig. 1-4, comprises a base 10, a supporting rod 12 is fixed at the upper end of the base 10, a cutting mechanism 58 capable of driving a cutter to rotate is arranged in the supporting rod 12, a driving mechanism 61 for outputting power is arranged at the left side of the supporting rod 12, a supporting plate 30 is fixed at the upper end of the supporting rod 12, a replacing mechanism 59 capable of automatically replacing the cutter is arranged at the right end of the supporting plate 30, the replacing mechanism 59 comprises a supporting block 39 fixed at the right end of the supporting plate 30, a transmission cavity 38 with a left opening and a lower end wall communicated with the outside is arranged in the supporting block 39, a connecting cavity 41 with a downward opening is arranged in the right end wall of the transmission cavity 38, a connecting plate 42 with a lower end located at the outside is slidably connected in the connecting cavity 41, a connecting spring 40, the lower end of the connecting plate 42 is fixed with a telescopic plate 46, a through cavity 36 which runs through the upper end wall and the lower end wall of the supporting plate 30 and the upper end wall of the transmission cavity 38 is arranged in the right end of the supporting plate 30, a cut cavity 37 which runs through the through cavity 36 is further arranged in the right end of the supporting plate 30, a cut plate 35 and a connection are connected in the cut cavity 37 in a sliding mode, the cut plate 35 and a compression spring 34 which cuts the left end wall of the cut cavity 37 are fixed on the right end wall of the transmission cavity 38, a fixing shaft 44 is fixed on the right end wall of the transmission cavity 38, right ends and extension springs 43 which are fixedly connected with the right end wall of the transmission cavity 38 are arranged on the upper side and the lower side of the fixing shaft 44, a right end and two annular blocks 56 which are fixedly connected with the extension springs 43 are arranged on the left side of the supporting block 39, a movable, sliding connection has two stopper 26 in the spacing annular 57, stopper 26 left end is fixed with the magnet piece 55 that the left end is located the outside and can inhale mutually with the cutter, the terminal surface still is fixed with fixed block 32 under the backup pad 30, fixed block 32 lower extreme be fixed with be used for the protection and the right-hand member with remove the fixed protection shield 31 that the protection shield 27 left end inhaled mutually, still be equipped with the complementary unit 60 of supplementary change cutter in the bracing piece 12 upper end.

Beneficially, the cutting mechanism 58 includes a lifting cavity 14 located in the supporting rod 12 and having left and right end walls and a front end wall both communicated with the outside, a lifting block 15 and a supporting spring 13 supporting the lifting block 15 are slidably connected in the lifting cavity 14, a sliding cavity 48 penetrating through the left and right end walls of the lifting block 15 is provided in the lifting block 15, a sliding block 49 and two sliding springs 50 connecting the sliding block 49 and the end wall of the sliding cavity 48 are slidably connected in the sliding cavity 48, a right end of the supporting rod 12 penetrates through the supporting rod 12, the sliding block 49, the annular block 56 and the left end wall of the transmission cavity 38 and is located in the rotation shaft 17 of the transmission cavity 38, a friction plate 62 for clamping a tool is fixed at the right end of the rotation shaft 17, an ejection cavity 19 with a right opening is provided on the upper side of the left end wall of the lifting cavity 14, an ejection block 24 having a right end located in the lifting cavity 14 is slidably connected in Piece 24 with the expanding spring 11 of ejecting chamber 19 left end wall, ejecting 24 left ends is fixed with the left end and runs through ejecting chamber 19 left end wall with the fixed axle 44 downside the transmission chamber 38 right end wall and with fixed axle 44 fixed connection's chain 45, still be equipped with opening spacing groove 23 to the left in the elevator 15 upper end, spacing groove 23 upper end is fixed with the upper end and runs through elevating chamber 14 upper end wall with cut chamber 37 left end wall and with cut board 35 fixed connection's connecting rope 33.

Advantageously, the driving mechanism 61 comprises a driving motor 53 fixed on the left end surface of the supporting rod 12, a driving shaft 54 is dynamically connected to the left end of the driving motor 53, a driving gear 52 is fixed on the left end of the driving shaft 54, a second belt pulley 18 which is in transmission with the driving gear 52 through a belt 16 is fixed on the left end of the rotating shaft 17, and a transmission gear 47 is also fixed on the left end of the rotating shaft 17.

Advantageously, the auxiliary mechanism 60 comprises a driven chamber 28 located in the upper end wall of the lifting chamber 14, the right end wall of the driven chamber 28 is rotatably connected with a driven shaft 20 with a left end located outside, a winding wheel 22 is fixed at the right end of the driven shaft 20, a rope 29 with an upper end penetrating through the upper end wall of the driven chamber 28 and the left and right end walls of the transmission chamber 38 and fixedly connected with the annular block 56 is wound on the winding wheel 22, and a driven gear 21 capable of meshing with the transmission gear 47 is further fixed at the left end of the driven shaft 20.

Advantageously, the friction between the friction plate 62 and the cutter is sufficient to make the friction plate 62 carry the cutter to cut, and the right end of the ejector block 24 has two inclined surfaces.

In the initial state, the compression spring 34 and the slide spring 50 are in a compressed state, and the center of the rotating shaft 17 and the center of the fixed shaft 44 are not in the same horizontal line.

When the tool needs to be replaced, the handle 51 is manually lifted upwards, so that the lifting block 15 is driven to ascend, the supporting spring 13 is stretched, the right end of the ejection block 24 enters the limiting groove 23, the sliding block 49 moves backwards due to the limitation of the belt 16, the rotating shaft 17 moves backwards due to the rising of the lifting block 15, the driven gear 21 is meshed with the transmission gear 47, the center of the driving shaft 7 and the center of the fixed shaft 44 are in the same horizontal line, the connecting rope 33 is loosened due to the rising of the lifting block 15, the compression spring 34 is reset, the cut-off plate 35 moves rightwards, the through cavity 36 is cut off, and then a new tool is placed into the through cavity 36 and supported by the cut-off plate 35;

the driving motor 53 is operated to rotate the driving shaft 54, so as to rotate the driving gear 52, and the second belt pulley 18 is rotated by the transmission of the belt 16, thereby driving the rotating shaft 17 to rotate, and driving the transmission gear 47 and the driven gear 21 to rotate, thereby driving the driven shaft 20 to rotate, so that the trial winding reel 22 rotates to connect with the winding rope 29, the rope 29 is wound to drive the annular block 56 to move to the right, thereby driving the movable protection plate 27, the limiting block 26 and the magnet block 55 to move rightwards, so that the cutter moves rightwards, the annular block 56 moves onto the fixed shaft 44 after passing through the rotating shaft 17 in the process of moving rightwards, and the movement of the cutter causes the telescopic plate 46 to be compressed, when the cutter is located between the right end of the rotating shaft 17 and the left end of the fixed shaft 44, the cutter falls away from the left side of the fixed shaft 44 under the self-weight of the cutter, and the right end of the annular block 56 contacts with the annular block 56 in the transmission cavity 38;

then the rope 29 is continuously coiled, so that the annular block 56 is continuously moved rightwards, so that the chain 45 is extruded, so that the chain 45 pulls the ejection block 24 to move leftwards and leave the limiting groove 23, the supporting spring 13 is reset to drive the lifting block 15 to descend when the limitation of the limiting groove 23 is lost, the connecting rope 33 is tensioned, so that the cutting plate 35 moves leftwards, the expansion plate 46 is automatically reset due to the falling of the old cutter, when a new cutter loses the support of the cutting plate 35 and descends under the action of self weight, the expansion plate 46 and the connecting plate 42 are driven to descend and the connecting spring 40 is stretched, and when the connecting spring 40 is stretched to the maximum, the new cutter is just positioned at the left end of the fixed shaft 44;

at this time, the handle 51 is manually lifted up, so that the rotating shaft 17 is located at the left side of the fixed shaft 44 again, the transmission gear 47 is meshed with the driven gear 21 again, then the driving motor 53 outputs power reversely, so that the driven gear 21 is turned over, the rope 29 is loosened, the ring block 56 is moved leftward by the tension spring 43, so that the ring block 56 is located on the rotating shaft 17 again, when the tension spring 43 is completely reset, a new cutter abuts against the friction plate 62 to move the protection plate 27 to be attracted again with the fixed protection plate 31, then the handle 51 is manually pressed down, so that the lifting block 15 is lowered to be reset, and thus, the cutter replacement is completed.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an automatic device of changing of cutting wheel blade, includes the base, its characterized in that: a supporting rod is fixed at the upper end of the base, a cutting mechanism capable of driving a cutter to rotate is arranged in the supporting rod, a driving mechanism for outputting power is arranged at the left side of the supporting rod, a supporting plate is fixed at the upper end of the supporting rod, a replacing mechanism capable of automatically replacing the cutter is arranged at the right end of the supporting plate, the replacing mechanism comprises a supporting block fixed at the right end of the supporting plate, a transmission cavity with a downward opening and a lower end wall communicated with the outside is arranged in the supporting block, a connecting cavity with a downward opening is arranged in the right end wall of the transmission cavity, a connecting plate with the lower end positioned outside is slidably connected in the connecting cavity, a connecting spring with the upper end fixedly connected with the upper end wall of the connecting cavity is fixed at the upper end of the connecting plate, a telescopic plate is fixed at the, still be equipped with the right end wall in the backup pad right-hand member and run through the chamber that cuts that link through the chamber, cut intracavity sliding connection have cut the board and connect cut the board with the compression spring who cuts the chamber left end wall, transmission chamber right-hand member wall is fixed with the fixed axle, both sides are equipped with the right-hand member about the fixed axle with transmission chamber right-hand member wall fixed connection's extension spring, the supporting shoe left side is equipped with right-hand member and two extension spring fixed connection's annular piece, be fixed with on the annular piece by the removal protection shield that the annular piece left end runs through, be equipped with the spacing annular of left end wall intercommunication outside in the removal protection shield, sliding connection has two stoppers in the spacing annular, the stopper left end is fixed with the magnet piece that the left end is located the outside and can inhale mutually with the cutter, the backup pad lower extreme still is fixed with the fixed block, the fixed block lower extreme is fixed with be used for the protection and the, an auxiliary mechanism for assisting in replacing the cutter is also arranged in the upper end of the supporting rod; the cutting mechanism comprises a lifting cavity which is positioned in the supporting rod and is communicated with the outside of the left end wall, the right end wall and the front end wall of the lifting rod, a lifting block and a supporting spring for supporting the lifting block are connected in the lifting cavity in a sliding way, a sliding cavity which penetrates through the left end wall and the right end wall of the lifting block is arranged in the lifting block, a sliding block and two sliding springs for connecting the sliding block and the end wall of the sliding cavity are connected in the sliding cavity in a sliding way, a rotating shaft which penetrates through the supporting rod, the sliding block, the annular block and the left end wall of the transmission cavity and is positioned in the transmission cavity is arranged at the left end of the supporting rod, a friction plate for clamping a cutter is fixed at the right end of the rotating shaft, an ejection cavity with a right opening is arranged at the upper side of the left end wall of the lifting cavity, a chain with the left end penetrating through the left end wall of the ejection cavity and the right end wall of the transmission cavity at the lower side of the fixed shaft and fixedly connected with the fixed shaft is fixed at the left end of the ejection block, a limiting groove with a leftward opening is further arranged in the upper end of the lifting block, and a connecting rope with the upper end penetrating through the upper end wall of the lifting cavity and the left end wall of the cutting cavity and fixedly connected with the cutting plate is fixed at the upper end of the limiting groove; the driving mechanism comprises a driving motor fixed on the left end face of the supporting rod, the left end of the driving motor is in power connection with a driving shaft, the left end of the driving shaft is fixedly provided with a driving gear, the left end of the rotating shaft is fixedly provided with a second belt pulley which is in transmission with the driving gear through a belt, and the left end of the rotating shaft is also fixedly provided with a transmission gear; the auxiliary mechanism is including being located lift chamber upper end wall interior slave chamber, slave chamber right-hand member wall rotates and is connected with the driven shaft that the left end is located the outside, the driven shaft right-hand member is fixed with the reel, the winding has the upper end to run through on the reel slave chamber upper end wall with the transmission chamber about the end wall and with annular block fixed connection's rope, the driven shaft left end still be fixed with can with drive gear meshed driven gear.

2. The automatic cutter wheel blade replacing device as claimed in claim 1, wherein: the friction force between the friction plate and the cutter is enough to enable the friction plate to drive the cutter to cut, and two inclined planes are arranged at the right end of the ejection block.