AU2019202055B1

AU2019202055B1 - A Cutting-Type Can Opener

Info

Publication number: AU2019202055B1
Application number: AU2019202055A
Authority: AU
Inventors: Hanqi Lian
Original assignee: Qingdao Keka Stationery Co Ltd
Current assignee: Qingdao Keka Stationery Co Ltd
Priority date: 2019-03-13
Filing date: 2019-03-25
Publication date: 2019-06-06
Anticipated expiration: 2039-03-25
Also published as: CN110467135A

Abstract

This invention discloses a cutting-type can opener, including working box 10 and a working chamber 16 disposed in the working box 10, wherein the working chamber 16 is provided with a cutting device 100. The cutting device 100 comprises a cutting blade 15 capable of adjusting its position. A power chamber 34 is disposed in the working box 10. The invention is simple in structure and convenient in use, and when the can which needs to be opened is placed in the apparatus of the invention, the lid can be automatically cut to open the can, and the whole process is automated, which improves the safety compared with a traditional method of manually opening by a can cutter; meanwhile, the position of the cutting blade of the apparatus is adjustable, in this way, the apparatus can be applicable to cans in different diameters, and has a wider applicable range.

Description

A CUTTING-TYPE CAN OPENER

TECHNICAL FIELD [0001] The present invention relates to the technical field of machinery, in particular to a cutting-type can opener.

BACKGROUND OF THE INVENTION [0002] The packaging of cans are usually made of metal materials. Can cutters are usually used to open cans. The can cutters are sharp and have potential danger. It is difficult to realize automation. In view of the above disadvantages, the invention has made improvements.

BRIEF SUMMARY OF THE INVENTION [0003] To solve the above-mentioned technical problems, the invention provides a cutting-type can opener so as to overcome the problems existing in the prior art.

[0004] A cutting-type can opener of the invention comprises a working box and a working chamber disposed in the working box, wherein the working chamber is provided with a cutting device therein; the cutting device comprises a cutting blade capable of adjusting its position; a power chamber is disposed in the working box; a power device is disposed in the power chamber, and the power device comprises a motor; a clamping device is disposed in the power chamber, and the clamping device is connected with the power device in a transmission way, wherein the clamping device comprises a lifting block, and the lifting block is provided with clamping plates therein; a can to be opened is placed between the clamping plates during use, and the clamping device is provided with a control rod therein, which is pressed to separate the clamping plates during the use; the power chamber is provided with a locating device therein, and the locating device is connected to the power device in a transmission way; the locating device comprises a coupling rod; the clamping device is provided with a locating ring, and a locating hole is disposed in the locating ring; when the locating hole is coupled with the coupling rod, the power device drives the clamping device to rise, and when the locating hole disengages from the coupling rod, the power device drives

2019202055 25 Mar 2019 the clamping device to rotate.

[0005] As an optimized technical proposal, the cutting device comprises an upper chute disposed on a top wall of the working chamber; an adjusting block is slidably disposed in the upper chute, and an upper screw rod extending to one side is rotatably disposed in a first wall of the working chamber; the upper screw rod extends through the adjusting block and is threadedly connected to the adjusting block; the upper screw rod is fixedly provided with a knob at one end thereof, and the adjusting block is fixedly provided with the cutting blade at a lower end surface thereof, thereby enabling the adjustment of the position of the cutting blade when the knob is rotated;

[0006] In addition, the power device comprises the motor fixedly disposed in a bottom wall of the power chamber; wherein the motor is in power connection with a power shaft at an upper end thereof, and a main pulley is fixedly disposed on the power shaft; the power shaft is fixedly provided with a threaded sleeve at an upper end thereof; the working box is provided with a cam chamber therein, and a transmission shaft is rotatably disposed in a first wall of the cam chamber, and an auxiliary pulley coupling with the main pulley is fixedly disposed on the transmission shaft, thereby providing power to the clamping device and the locating device when the power device is started.

[0007] As an optimized technical proposal, the clamping device comprises a lower screw rod threadedly fitted to the threaded sleeve; an upper end of the lower screw rod is fixedly provided with the lifting block, and the locating ring is fixedly disposed on an outer circumferential surface of the lifting block; the locating hole which extends vertically through the locating ring is disposed in the locating ring; a placement groove is disposed in the lifting block, and the lifting block is provided therein with a cavity communicating with the placement groove; sliding cavities are symmetrically disposed in a bottom wall of the cavity; each of the sliding cavities is slidably provided with each of pushing blocks therein; each of compressing springs is connected between one side end surface of each of the pushing blocks and an inner wall of each of the sliding cavities, and the other side end surface of each of the pushing blocks is fixedly provided with each of connecting rods extending into the placement groove; each of the connecting rods is fixedly provided with each of the clamping plates at one end thereof opposite to each of the pushing blocks; a bottom wall of the cavity is provided with a bottom chute, and the bottom chute is slidably provided with a control block;

2019202055 25 Mar 2019 a pressure spring is connected between an end surface of the control block and a wall of the bottom chute, and each of hinged rods is hinged between an upper end surface of the control block and an end surface of each of the pushing blocks, and a second end surface of the control block is fixedly provided with the control rod; and during the use, when the control rod is pushed to one side, the clamping plates are separated and the can is placed therebetween.

[0008] As an optimized technical proposal, the locating device comprises a rotating shaft that is rotatably disposed in a second wall of the cam chamber; an end of the rotating shaft couples with the transmission shaft by a disc-shaped ratchet; the rotating shaft is fixedly provided with a cam; a spring groove is disposed in a first wall of the power chamber, and a pushing plate is slidably disposed in the spring groove; a return spring is connected between an upper end surface of the pushing plate and a top wall of the spring groove; the pushing plate is fixedly provided with the coupling rod at the upper end surface thereof; a side chute is disposed in a first wall of the working box, and the side chute is slidably provided with a side sliding block therein; wherein the side sliding block is fixedly provided with a locating block at a first end thereof, and the locating block is provided therein with a locating groove with an opening towards one side; the locating ring is slidably fitted into the locating groove; the coupling rod passes through the locating hole and penetrates through the locating block, so that when the locating hole is coupled with the coupling rod, the power device drives the clamping device to rise, and when the locating hole is disengaged from the coupling rod, the power device drives the clamping device to rotate.

[0009] In summary, the invention is simple in structure and convenient in use, and when the can which needs to be opened is placed in the apparatus of the invention, the lid can be automatically cut to open the can, and the whole process is automated, which greatly improves the safety compared with a traditional method of manually opening by a can cutter; meanwhile, the position of the cutting blade of the apparatus is adjustable, in this way, the apparatus can be applicable to cans in different diameters, and then has a wider applicable range.

BRIEF DESCRIPTION OF THE DRAWINGS [0010]

FIG. 1 is the overall structural diagram of the cutting-type can opener in this

2019202055 25 Mar 2019 invention;

[0011] FIG. 2 is the schematic structural diagram along “A-A” direction in FIG .1.

DETAILED DESCRIPTION OF THE INVENTION [0012] The invention will be described in detail below referring to the drawings and embodiment. The methods of the present invention include, but are not limited to the following embodiment.

[0013] As shown in Figures 1-2, a cutting-type can opener of the invention comprises a working box 10 and a working chamber 16 disposed in the working box 10, wherein the working chamber 16 is provided with a cutting device 100 therein; the cutting device 100 comprises a cutting blade 15 capable of adjusting its position; a power chamber 34 is disposed in the working box 10; a power device 200 is disposed in the power chamber 34, and the power device 200 comprises a motor 35; a clamping device 300 is disposed in the power chamber 34, and the clamping device 300 is connected with the power device 200 in a transmission way, wherein the clamping device 300 comprises a lifting block 40, and the lifting block 40 is provided with clamping plates 20 therein; a can to be opened is placed between the clamping plates 20 during use, and the clamping device 300 is provided with a control rod 45 therein, which is pressed to separate the clamping plates 20 during the use; the power chamber 34 is provided with a locating device 400 therein, and the locating device 400 is connected to the power device 200 in a transmission way; the locating device 400 comprises a coupling rod 27; the clamping device 300 is provided with a locating ring 39, and a locating hole 41 is disposed in the locating ring 39; when the locating hole 41 is coupled with the coupling rod 27, the power device 200 drives the clamping device 300 to rise, and when the locating hole 41 disengages from the coupling rod 27, the power device 200 drives the clamping device 300 to rotate.

[0014] Advantageously, the cutting device 100 comprises an upper chute 13 disposed on a top wall of the working chamber 16; an adjusting block 14 is slidably disposed in the upper chute 13, and an upper screw rod 12 extending to one side is rotatably disposed in a first wall of the working chamber 16; the upper screw rod 12 extends through the adjusting block 14 and is threadedly connected to the adjusting block 14; the upper screw rod 12 is fixedly provided with a knob 11 at one end thereof, and the adjusting block 14 is fixedly

2019202055 25 Mar 2019 provided with the cutting blade 15 at a lower end surface thereof, thereby enabling the adjustment of the position of the cutting blade 15 when the knob 11 is rotated.

[0015] In addition, the power device 200 comprises the motor 35 fixedly disposed in a bottom wall of the power chamber 34; wherein the motor 35 is in power connection with a power shaft 26 at an upper end thereof, and a main pulley 36 is fixedly disposed on the power shaft 26; the power shaft 26 is fixedly provided with a threaded sleeve 25 at an upper end thereof; the working box 10 is provided with a cam chamber 32 therein, and a transmission shaft 30 is rotatably disposed in a first wall of the cam chamber 32, and an auxiliary pulley 29 coupling with the main pulley 36 is fixedly disposed on the transmission shaft 30, thereby providing power to the clamping device 300 and the locating device 400 when the power device 200 is started.

[0016] Advantageously, the clamping device 300 comprises a lower screw rod 24 threadedly fitted to the threaded sleeve 25; an upper end of the lower screw rod 24 is fixedly provided with the lifting block 40, and the locating ring 39 is fixedly disposed on an outer circumferential surface of the lifting block 40; the locating hole 41 which extends vertically through the locating ring 39 is disposed in the locating ring 39; a placement groove 22 is disposed in the lifting block 40, and the lifting block 40 is provided therein with a cavity 47 communicating with the placement groove 22; sliding cavities 38 are symmetrically disposed in a bottom wall of the cavity 47; each of the sliding cavities 38 is slidably provided with each of pushing blocks 23 therein; each of compressing springs 37 is connected between one side end surface of each of the pushing blocks 23 and an inner wall of each of the sliding cavities 38, and the other side end surface of each of the pushing blocks 23 is fixedly provided with each of connecting rods 21 extending into the placement groove 22; each of the connecting rods 21 is fixedly provided with each of the clamping plates 20 at one end thereof opposite to each of the pushing blocks 23; a bottom wall of the cavity 47 is provided with a bottom chute 42, and the bottom chute 42 is slidably provided with a control block 44; a pressure spring 43 is connected between an end surface of the control block 44 and a wall of the bottom chute 42, and each of hinged rods 46 is hinged between an upper end surface of the control block 44 and an end surface of each of the pushing blocks 23, and a second end surface of the control block 44 is fixedly provided with the control rod 45; and during the use, when the control rod 45 is pushed to one side, the clamping plates 20 are separated and the can is placed therebetween.

2019202055 25 Mar 2019 [0017] Advantageously, the locating device 400 comprises a rotating shaft 51 that is rotatably disposed in a second wall of the cam chamber 32; an end of the rotating shaft 51 couples with the transmission shaft 30 by a disc-shaped ratchet 31; the rotating shaft 51 is fixedly provided with a cam 33; a spring groove 49 is disposed in a first wall of the power chamber 34, and a pushing plate 50 is slidably disposed in the spring groove 49; a return spring 48 is connected between an upper end surface of the pushing plate 50 and a top wall of the spring groove 49; the pushing plate 50 is fixedly provided with the coupling rod 27 at the upper end surface thereof; a side chute 17 is disposed in a first wall of the working box 10, and the side chute 17 is slidably provided with a side sliding block 28 therein; wherein the side sliding block 28 is fixedly provided with a locating block 18 at a first end thereof, and the locating block 18 is provided therein with a locating groove 19 with an opening towards one side; the locating ring 39 is slidably fitted into the locating groove 19; the coupling rod 27 passes through the locating hole 41 and penetrates through the locating block 18, so that when the locating hole 41 is coupled with the coupling rod 27, the power device 200 drives the clamping device 300 to rise, and when the locating hole 41 is disengaged from the coupling rod 27, the power device 200 drives the clamping device 300 to rotate.

[0018] An implementing method for the cutting can opener includes the following steps as follows:

[0019] during the use, the knob 11 is rotated to adjust the position of the cutting blade through the upper screw rod 12 and the adjusting block 14; the control rod 45 is pressed to one side, then through the control block 44 and the hinged rods 46, the clamping plates 20 are moved away from each other by the pushing blocks 23 and the connecting rods 21; the can is placed between the clamping plates 20, and the control rod 45 is released, so that the can is clamped; the motor 35 is started, and the power shaft 26 drives the threaded sleeve 25 to rotate, and the lower screw rod 24 rises; when the lower screw rod 24 rises until the coupling rod 27 is disengaged from the locating hole 41, the can abuts against the cutting blade 15, and the threaded sleeve 25 drives the lower screw rod 24 to rotate, and the lower screw rod 24 drives the lifting block 40 to rotate, thereby completing the cutting of the can;

[0020] upon returning, the motor 35 is started reversely to drive the auxiliary pulley to rotate through the main pulley 36; the auxiliary pulley 29 drives the rotating shaft 51 to rotate through the transmission shaft 30 and the disc-shaped ratchet 31, and the rotating shaft

2019202055 25 Mar 2019 drives the cam 33 to rotate, and the cam 33 pushes the pushing plate 50 upward; the coupling rod 27 is inserted into the locating hole 41, and the threaded sleeve 25 is reversely rotated to drive the lifting block 40 to go down to return through the lower screw rod 24, and when the lifting block 40 returns, the cam 33 returns, and the motor 35 is closed at this time.

[0021] In summary, the invention is simple in structure and convenient in use, and when the can which needs to be opened is placed in the apparatus of the invention, the lid can be automatically cut to open the can, and the whole process is automated, which greatly improves the safety compared with a traditional method of manually opening by a can cutter; meanwhile, the position of the cutting blade of the apparatus is adjustable, in this way, the apparatus can be applicable to cans in different diameters, and then has a wider applicable range.

[0022] The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions without creative efforts shall fall within the protection scope of the present invention. Therefore, the claimed protection extent of the invention shall be determined with reference to the appended claims.

2019202055 25 Mar 2019

Claims

1. A cutting-type can opener, comprising:

a working box and a working chamber disposed in the working box;

wherein the working chamber is provided with a cutting device therein;

the cutting device which comprises a cutting blade capable of adjusting its position;

a power chamber disposed in the working box;

a power device which comprises a motor disposed in the power chamber;

a clamping device which is connected with the power device in a transmission way disposed in the power chamber;

wherein the clamping device comprises a lifting block, and the lifting block is provided with clamping plates therein;

a can to be opened placed between the clamping plates during use, and the clamping device provided with a control rod which is pressed to separate the clamping plates during the use;

the power chamber provided with a locating device which is connected to the power device in a transmission way;

the locating device which comprises a coupling rod;

the clamping device provided with a locating ring, and a locating hole disposed in the locating ring;

whereby when the locating hole is coupled with the coupling rod, the power device drives the clamping device to rise, and when the locating hole disengages from the coupling rod, the power device drives the clamping device to rotate.

2019202055 25 Mar 2019

2. The cutting-type can opener as defined in claim 1, wherein the cutting device comprises an upper chute disposed on a top wall of the working chamber;

an adjusting block is slidably disposed in the upper chute, and an upper screw rod extending to one side is rotatably disposed in a first wall of the working chamber;

the upper screw rod extends through the adjusting block and is threadedly connected to the adjusting block;

the upper screw rod is fixedly provided with a knob at one end thereof, and the adjusting block is fixedly provided with the cutting blade at a lower end surface thereof;

thereby enabling the adjustment of the position of the cutting blade when the knob is rotated;

In addition, the power device comprises the motor fixedly disposed in a bottom wall of the power chamber;

wherein the motor is in power connection with a power shaft at an upper end thereof, and a main pulley is fixedly disposed on the power shaft;

the power shaft is fixedly provided with a threaded sleeve at an upper end thereof;

the working box is provided with a cam chamber therein, and a transmission shaft is rotatably disposed in a first wall of the cam chamber, and an auxiliary pulley coupling with the main pulley is fixedly disposed on the transmission shaft;

whereby providing power to the clamping device and the locating device when the power device is started.

3. The cutting-type can opener as defined in claim 1, wherein the clamping device comprises a lower screw rod threadedly fitted to the threaded sleeve;

an upper end of the lower screw rod is fixedly provided with the lifting block, and the locating ring is fixedly disposed on an outer circumferential surface of the lifting block;

2019202055 25 Mar 2019 the locating hole which extends vertically through the locating ring is disposed in the locating ring;

a placement groove is disposed in the lifting block, and the lifting block is provided therein with a cavity communicating with the placement groove;

sliding cavities are symmetrically disposed in a bottom wall of the cavity;

each of the sliding cavities is slidably provided with each of pushing blocks therein;

each of compressing springs is connected between one side end surface of each of the pushing blocks and an inner wall of each of the sliding cavities, and the other side end surface of each of the pushing blocks is fixedly provided with each of connecting rods extending into the placement groove;

each of the connecting rods is fixedly provided with each of the clamping plates at one end thereof opposite to each of the pushing blocks;

a bottom wall of the cavity is provided with a bottom chute, and the bottom chute is slidably provided with a control block;

a pressure spring is connected between an end surface of the control block and a wall of the bottom chute, and each of hinged rods is hinged between an upper end surface of the control block and an end surface of each of the pushing blocks, and a second end surface of the control block is fixedly provided with the control rod;

whereby during the use, when the control rod is pushed to one side, the clamping plates are separated and the can is placed therebetween.

4. The cutting-type can opener as defined in claim 1, wherein the locating device comprises a rotating shaft that is rotatably disposed in a second wall of the cam chamber;

an end of the rotating shaft couples with the transmission shaft by a disc-shaped ratchet; the rotating shaft is fixedly provided with a cam;

2019202055 25 Mar 2019 a spring groove is disposed in a first wall of the power chamber, and a pushing plate is slidably disposed in the spring groove;

a return spring is connected between an upper end surface of the pushing plate and a top wall of the spring groove;

the pushing plate is fixedly provided with the coupling rod at the upper end surface thereof;

a side chute is disposed in a first wall of the working box, and the side chute is slidably provided with a side sliding block therein;

wherein the side sliding block is fixedly provided with a locating block at a first end thereof, and the locating block is provided therein with a locating groove with an opening towards one side;

the locating ring is slidably fitted into the locating groove;

the coupling rod passes through the locating hole and penetrates through the locating block;

whereby when the locating hole is coupled with the coupling rod, the power device drives the clamping device to rise, and when the locating hole is disengaged from the coupling rod, the power device drives the clamping device to rotate.