CN219132419U

CN219132419U - Pipe cutting machine

Info

Publication number: CN219132419U
Application number: CN202320174537.4U
Authority: CN
Inventors: 吴炳潮; 严钜坤
Original assignee: Guangdong Baihe Medical Technology Co ltd
Current assignee: Guangdong Baihe Medical Technology Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-06-06
Anticipated expiration: 2033-02-03

Abstract

The utility model discloses a pipe cutting machine, comprising: a base; the fixture jig plate is provided with a lower positioning groove for placing a workpiece; the cutting assembly comprises a cutting driving device, a mounting plate and a cutting blade, wherein the cutting driving device comprises a first fixed end and a first moving end, the mounting plate is fixed on the first moving end, and the cutting blade is fixedly connected to the lower side of the mounting plate; the pre-compaction subassembly, it includes pre-compaction drive arrangement and pre-compaction board, and pre-compaction drive arrangement includes second stiff end and second motion end, and the pre-compaction board is connected on the second motion end, and the downside of mounting panel is located to the pre-compaction board, and the below of pre-compaction board is located to the frock tool board. According to the utility model, the silicone tube is positioned by the tool jig plate, the pre-pressing plate is used for pre-pressing and fixing the silicone tube, the silicone tube is automatically cut by the cutting driving device and the cutting blade, the manual blade holding cutting is not needed, the positioning precision of the silicone tube and the flatness of the cutting surface are improved, and the cutting efficiency and the safety are improved.

Description

Pipe cutting machine

Technical Field

The utility model relates to the technical field of medical instrument production equipment, in particular to a pipe cutting machine.

Background

Tubing, such as hemodialysis catheters, is commonly used in medical devices, which are used in patients for hemodialysis and include a dialysis tubing body, a connection base, a silicone tube, a catheter clip, and a dialysis adapter. The cutting of the silicone tube is one of the procedures of hemodialysis catheter production, and the cutting of the fixed length is to cut off two ends of the silicone tube into a part, so that the cutting precision of the procedure is required to be high.

The traditional cutting is basically to cut the silica gel tube by a manual handheld blade, so that the efficiency is low, and the length precision of the silica gel tube and the flatness of the end face of the silica gel tube are difficult to ensure; in addition, the silicone tube and the blade are manually held for cutting, and if certain potential safety hazards exist when fatigue or operation is improper, personnel work injury accidents are easily caused. One skilled in the art would like to have a pipe cutting machine that can automatically cut a silicone tube, improving cutting accuracy, efficiency and safety.

Disclosure of Invention

The utility model mainly aims to provide a pipe cutting machine, and aims to solve the technical problems of lower cutting precision, efficiency and safety when a silicone pipe is cut by a manual blade in the prior art.

In order to achieve the above object, the present utility model provides a pipe cutting machine, comprising:

a base;

the tool jig plate is arranged on the base, and a lower positioning groove for placing a workpiece is formed in the tool jig plate;

the cutting assembly comprises a cutting driving device, a mounting plate and a cutting blade, wherein the cutting driving device comprises a first fixed end and a first moving end, the first fixed end is connected with the base, the first moving end can move along the up-down direction, the mounting plate is fixed on the first moving end, and the cutting blade is fixedly connected to the lower side of the mounting plate;

the pre-compaction subassembly, it includes pre-compaction drive arrangement and pre-compaction board, pre-compaction drive arrangement includes second stiff end and second motion end, the second stiff end with pedestal connection, the second motion end can follow the upper and lower direction motion, pre-compaction board connect in on the second motion, the pre-compaction board is located the downside of mounting panel, the frock tool board is located the below of pre-compaction board.

Placing a silica gel tube to be cut on the tool jig plate, and positioning the silica gel tube in the lower positioning groove; the pre-pressing plate of the pre-pressing assembly moves downwards under the drive of the second moving end of the pre-pressing driving device, the silicone tube on the tool jig plate is pressed and positioned, then the mounting plate of the cutting assembly and the cutting blade move downwards under the drive of the first moving end of the cutting driving device, and the cutting blade cuts the silicone tube; after cutting, the mounting plate and the pre-pressing plate move upwards, and the cut silica gel tube in the tool jig plate can be taken out. According to the utility model, the silicone tube is positioned by the tool jig plate, the pre-pressing plate is used for pre-pressing and fixing the silicone tube, the silicone tube is automatically cut by the cutting driving device and the cutting blade, the manual blade holding cutting is not needed, the positioning precision of the silicone tube and the flatness of the cutting surface are improved, and the cutting efficiency and the safety are improved.

Preferably, the cutting driving device is the pre-pressing driving device, the first fixed end is the second fixed end, the first moving end is the second moving end, the pre-pressing plate and the mounting plate can slide relatively along the up-down direction, a first limiting part is arranged on the mounting plate, a second limiting part is arranged on the pre-pressing plate, the first limiting part and the second limiting part are correspondingly arranged, and the first limiting part and the second limiting part are used for limiting the pre-pressing plate to slide downwards and separate from the mounting plate.

The mounting plate and the pre-pressing plate are driven to move by the cutting driving device, and the pre-pressing plate and the mounting plate can slide up and down relatively; before cutting, a height difference exists between the pre-pressing plate and the mounting plate, and the first limiting part and the second limiting part prevent the pre-pressing plate from falling off; when cutting, the first motion end moves downwards, before the pre-pressing plate is abutted against the tool jig plate, the pre-pressing plate and the mounting plate move downwards simultaneously, after the pre-pressing plate is abutted against the tool jig plate, the pre-pressing plate does not move downwards any more, and the mounting plate and the cutting blade continue to move downwards, and the cutting blade cuts the silicone tube. After cutting, the first moving end moves upwards, the mounting plate and the cutting blade move upwards firstly, and when the first limiting part and the second limiting part touch, the pre-pressing plate is driven to move upwards. Therefore, the driving structures of the mounting plate and the pre-pressing plate can be reduced, the manufacturing cost and the structure are simpler, and the movement control is simpler and more convenient.

Preferably, the mounting plate is provided with a sliding hole, the upper side of the pre-pressing plate is provided with a sliding column, the sliding column is arranged in the sliding hole, the mounting plate and the pre-pressing plate are in sliding connection with the sliding column through the sliding hole, the upper side of the sliding column is provided with a limiting block, the limiting block is arranged on the upper side of the sliding hole, the outer diameter of the limiting block is larger than the diameter of the sliding hole, the first limiting part comprises the sliding hole, and the second limiting part comprises the limiting block. The mounting plate and the pre-pressing plate slide relatively through the sliding hole and the sliding column, and the limiting block on the upper side of the sliding column limits the pre-pressing plate to drop downwards.

Preferably, the pre-pressing plate is provided with a cutter passing seam through which the cutting blade can pass. The cutting blade passes through the cutter passing seam on the prepressing plate, so that the position of the prepressing plate for pressing the silicone tube can be closer to the cutting position, and the cutting precision and flatness are improved.

Preferably, the cutting blade includes a front blade and a rear blade at a front side and a rear side, respectively, for cutting a front end portion and a rear end portion of the workpiece, respectively. The front blade and the rear blade can cut the front end part and the rear end part of the silicone tube simultaneously in one-time cutting, so that the cutting efficiency is improved.

Preferably, the number of the lower positioning grooves is plural, and the plural lower positioning grooves are sequentially arranged along the left-right direction. The plurality of lower positioning grooves can be used for placing a plurality of silicone tubes, so that the plurality of silicone tubes can be cut simultaneously in one-time cutting, and the cutting efficiency is improved.

Preferably, the base is fixedly connected with a guide rail extending along the front-rear direction, the tool jig plate is in sliding connection with the guide rail, and the tool jig plate can move to the position right below the cutting blade or away from the cutting blade. The tool jig plate can move back and forth, and is moved right below the cutting blade when cutting, and is moved out and away from the cutting blade after cutting, so that an operator can conveniently take off the cut silicone tube and put the silicone tube to be cut.

Preferably, the front side of the tool jig plate is fixedly connected with a hand pulling piece, a rear positioning block is fixed on the base, the rear positioning block is arranged on the rear side of the tool jig plate, and the rear positioning block is used for positioning the position of the tool jig plate sliding backwards so that the tool jig plate is right against the cutting blade. The tool jig plate can be pushed and pulled manually through the hand pulling piece, and when the tool jig plate is pushed to the positioning block after touching, the position of the tool jig plate can be cut, so that the operation is convenient, and the positioning accuracy is improved.

Preferably, the pipe cutting machine further comprises a transparent baffle plate, the transparent baffle plate is fixedly connected with the base, the transparent baffle plate is arranged on the front side of the cutting assembly, and the tool fixture plate is arranged below the transparent baffle plate. Set up transparent baffle between operating personnel and cutting the subassembly, transparent baffle can block that the staff from putting into and cut the subassembly and cause danger, makes things convenient for operating personnel to observe simultaneously and cuts the condition, and the front side that the frock tool board removed transparent baffle can take out or put into the silicone tube.

Preferably, the pipe cutting machine further comprises a scram switch, the scram switch is arranged on the base, and the scram switch is electrically connected with the cutting driving device. The emergency stop switch can stop cutting when cutting errors or dangerous conditions occur during cutting, and plays a role in protecting equipment or personnel.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the solutions of the prior art, the drawings which are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the whole structure of a pipe cutter according to the present utility model;

FIG. 2 is a schematic structural diagram of a tooling jig plate according to the present utility model;

FIG. 3 is a schematic view of the tooling fixture plate of the present utility model when moved to a position away from the cutting blade;

FIG. 4 is a schematic view of the structure of the pre-compression plate of the present utility model when it slides downward relative to the mounting plate;

FIG. 5 is a schematic view of the mounting plate and cutting blade of the present utility model;

FIG. 6 is a schematic view of the structure of the tooling fixture plate of the present utility model when it is moved to a position directly below the cutting blade;

FIG. 7 is a schematic view showing a structure of the cutting blade of the present utility model when cutting downward;

fig. 8 is a schematic structural view of the mounting plate, the cutting blade and the pre-pressing plate when the cutting blade of the present utility model cuts downward.

In the accompanying drawings: the device comprises a 1-base, a 11-guide rail, a 12-rear positioning block, a 13-in-place detection element, a 2-tool jig plate, a 21-lower positioning groove, a 22-hand pulling piece, a 3-cutting assembly, a 31-cutting driving device, a 311-first fixed end, a 312-first moving end, a 32-mounting plate, a 321-sliding hole, a 33-cutting blade, a 331-front blade, a 332-rear blade, a 41-pre-pressing driving device, a 42-pre-pressing plate, a 421-passing knife slot, a 422-upper positioning groove, a 43-sliding column, a 44-limiting block, a 5-transparent baffle, a 6-emergency stop switch, a 7-silicone tube, a 71-front end and a 72-rear end.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In addition, if a directional instruction such as up, down, left, right, front, rear, etc. is referred to in the embodiment of the present utility model, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base the implementation on the basis of those skilled in the art, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist and is not within the scope of protection claimed by the present utility model.

As shown in fig. 1 to 8, a pipe cutting machine comprises a base 1, wherein a tool jig plate 2, a cutting assembly 3 and a pre-pressing assembly are arranged on the base 1.

The tool jig plate 2 is provided with a lower positioning groove 21 for placing the silicone tube 7, and referring to fig. 2, the shape of the lower positioning groove 21 is matched with the shape of the silicone tube 7. In this embodiment, the shape of the silicone tube 7 includes a straight section and a curved section, the straight section being rearward and the curved section being forward when the silicone tube 7 is placed, the end of the straight section and the end of the curved section, which are required to be cut, of the silicone tube 7, are the front end 71 and the rear end 72, respectively.

The cutting assembly 3 comprises a cutting driving device 31, a mounting plate 32 and a cutting blade 33, wherein the cutting driving device 31 comprises a first fixed end 311 and a first moving end 312, the first fixed end 311 is connected with the base 1, the first moving end 312 can move along the up-down direction, the mounting plate 32 is fixed on the first moving end 312, and the cutting blade 33 is fixedly connected to the lower side of the mounting plate 32.

The pre-compaction subassembly includes pre-compaction drive arrangement 41 and pre-compaction board 42, and pre-compaction drive arrangement 41 includes second stiff end and second motion end, and the second stiff end is connected with base 1, and the second motion end can follow the upper and lower direction motion, and pre-compaction board 42 is connected on the second motion end, and the downside of mounting panel 32 is located to pre-compaction board 42, and frock tool plate 2 locates the below of pre-compaction board 42. In some embodiments, the lower side of the pre-pressing plate 42 is provided with an upper positioning groove 422, the shape of the upper positioning groove 422 is matched with that of the silicone tube 7, and the upper positioning groove 422 and the lower positioning groove 21 cooperate to define the position of the silicone tube 7.

A silicone tube 7 to be cut is placed on the tool jig plate 2, and the silicone tube 7 is positioned in the lower positioning groove 21; the pre-pressing plate 42 of the pre-pressing assembly moves downwards under the drive of the second moving end of the pre-pressing driving device 41, the silicone tube 7 on the tool jig plate 2 is pressed and positioned, then the mounting plate 32 and the cutting blade 33 of the cutting assembly 3 move downwards under the drive of the first moving end 312 of the cutting driving device 31, and the silicone tube 7 is cut by the cutting blade 33; after cutting, the mounting plate 32 and the pre-pressing plate 42 move upwards, and the cut silicone tube 7 in the tool jig plate 2 can be taken out.

According to the utility model, the silicone tube 7 is positioned by the tool jig plate 2, the silicone tube 7 is pre-pressed and fixed by the pre-pressing plate 42, the silicone tube 7 is automatically cut by the cutting driving device 31 and the cutting blade 33, the manual blade holding cutting is not needed, the positioning precision of the silicone tube 7 and the flatness of a cutting surface are improved, and the cutting efficiency and the safety are improved.

In some embodiments, the cutting driving device 31 is a pre-pressing driving device 41, the first fixing end 311 is a second fixing end, the first moving end 312 is a second moving end, the pre-pressing plate 42 and the mounting plate 32 can slide relatively along the up-down direction, the mounting plate 32 is provided with a first limiting portion, the pre-pressing plate 42 is provided with a second limiting portion, the first limiting portion and the second limiting portion are correspondingly arranged, and the first limiting portion and the second limiting portion are used for limiting the pre-pressing plate 42 to slide downwards and separate from the mounting plate 32.

The mounting plate 32 and the pre-pressing plate 42 are driven to move by the cutting driving device 31, and the pre-pressing plate 42 and the mounting plate 32 can slide up and down relatively; before cutting, referring to fig. 3, 4 and 6, there is a height difference between the pre-pressing plate 42 and the mounting plate 32, and the first and second limiting portions prevent the pre-pressing plate 42 from falling off; during cutting, the first moving end 312 moves downward, before the pre-pressing plate 42 abuts against the tooling jig plate 2, the pre-pressing plate 42 and the mounting plate 32 move downward simultaneously, after the pre-pressing plate 42 abuts against the tooling jig plate 2, referring to fig. 7 and 8, the pre-pressing plate 42 does not move downward any more, and the mounting plate 32 and the cutting blade 33 continue to move downward, and the cutting blade 33 cuts the silicone tube 7. After the cutting, the first moving end 312 moves upward, the mounting plate 32 and the cutting blade 33 move upward first, and when the first limiting portion and the second limiting portion touch, the pre-pressing plate 42 is driven to move upward. This reduces the driving structure of the mounting plate 32 and the pre-press plate 42, and makes the manufacturing cost and structure simpler and the movement control simpler. The cutting driving device 31 may adopt an air cylinder, a screw rod motion module, etc., and when the cutting driving device 31 is an air cylinder, the first fixing end 311 is a body of the air cylinder, and the first motion end 312 is a piston rod of the air cylinder. The cutting drive 31 can be activated by an operator via an activation switch.

Further, referring to fig. 4 and 8, a sliding hole 321 is formed in the mounting plate 32, a sliding column 43 is arranged on the upper side of the pre-pressing plate 42, the sliding column 43 is arranged in the sliding hole 321, the mounting plate 32 and the pre-pressing plate 42 are slidably connected with the sliding column 43 through the sliding hole 321, a limiting block 44 is arranged on the upper side of the sliding column 43, the limiting block 44 is arranged on the upper side of the sliding hole 321, the outer diameter of the limiting block 44 is larger than the diameter of the sliding hole 321, the first limiting part comprises the sliding hole 321, and the second limiting part comprises the limiting block 44. The mounting plate 32 and the pre-pressing plate 42 slide relatively through the sliding hole 321 and the sliding post 43, and the limiting block 44 on the upper side of the sliding post 43 limits the pre-pressing plate 42 to drop downwards.

In some embodiments, the pre-press plate 42 is provided with a through-slit 421 through which the cutting blade 33 passes. The cutting blade 33 passes through the through-blade 421 on the pre-pressing plate 42, so that the position of the pre-pressing plate 42 pressing the silicone tube 7 can be closer to the cutting position, and the cutting precision and flatness are improved.

In some embodiments, referring to fig. 4, the cutting blade 33 includes a front blade 331 and a rear blade 332 at the front side and the rear side, respectively, the front blade 331 and the rear blade 332 being used to cut the front end portion 71 and the rear end portion 72 of the workpiece, respectively. The front blade 331 and the rear blade 332 can cut the front end 71 and the rear end 72 of the silicone tube 7 at the same time in one cut, thereby improving the cutting efficiency.

In some embodiments, the number of the lower positioning grooves 21 is plural, and the plural lower positioning grooves 21 are sequentially arranged in the left-right direction. The plurality of lower positioning grooves 21 can be used for placing the plurality of silicone tubes 7, so that the plurality of silicone tubes 7 can be cut simultaneously in one cutting process, and the cutting efficiency is improved. When a plurality of silicone tubes 7 are placed at the same time, care should be taken to set the position of avoidance on the cutting blade 33 so as not to cut to the position between the straight section and the bent section.

In some embodiments, referring to fig. 3 and 6, a guide rail 11 extending in the front-rear direction is fixedly connected to the base 1, and the tool jig plate 2 is slidably connected to the guide rail 11, so that the tool jig plate 2 can move directly under the cutting blade 33 or away from the cutting blade 33. The tool jig plate 2 can move back and forth, and is moved right below the cutting blade 33 when cutting, and is moved out to be far away from the cutting blade 33 after cutting, so that an operator can conveniently take down the cut silicone tube 7 and put the silicone tube 7 to be cut.

Further, the front side of the tool jig plate 2 is fixedly connected with a hand pulling piece 22, a rear positioning block 12 is fixed on the base 1, the rear positioning block 12 is arranged on the rear side of the tool jig plate 2, and the rear positioning block 12 is used for positioning the position of the tool jig plate 2 sliding backwards so that the tool jig plate 2 is opposite to the cutting blade 33. The tool jig plate 2 can be manually pushed and pulled through the hand pulling piece 22, when the tool jig plate 2 is pushed to the touch rear positioning block 12, the position of the tool jig plate 2 can be cut, the operation is convenient, and the positioning accuracy is improved. In other embodiments, the driving device may also drive the tooling jig plate 2 to move.

Further, the base 1 is further provided with an in-place detection element 13, the in-place detection element 13 is in communication connection with the cutting driving device 31, the in-place detection element 13 can detect whether the tool jig plate 2 moves in place, and the cutting driving device 31 starts cutting only when the tool jig plate 2 moves in place, so that the cutting blade 33 is protected. The in-place detecting element 13 may employ a photoelectric switch.

In some embodiments, the pipe cutting machine further includes a transparent baffle 5, the transparent baffle 5 is fixedly connected with the base 1, the transparent baffle 5 is disposed on the front side of the cutting assembly 3, and the tool fixture plate 2 is disposed below the transparent baffle 5. Set up transparent baffle 5 between operating personnel and cutting the subassembly 3, transparent baffle 5 can block the staff and put into and cut the subassembly 3 and cause danger, makes things convenient for operating personnel to observe simultaneously and cuts the condition, and frock tool board 2 can pass through at transparent baffle 5's downside, and frock tool board 2 removes to transparent baffle 5's front side and can take out or put into silicone tube 7.

In some embodiments, the pipe cutting machine further includes a scram switch 6, the scram switch 6 is disposed on the base 1, and the scram switch 6 is electrically connected to the cutting driving device 31. The emergency stop switch 6 can stop cutting when a cutting error or dangerous condition occurs during cutting, and plays a role in protecting equipment or personnel.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A pipe cutting machine, comprising:

a base;

2. The pipe cutting machine according to claim 1, wherein the cutting driving device is the pre-pressing driving device, the first fixing end is the second fixing end, the first moving end is the second moving end, the pre-pressing plate and the mounting plate can slide relatively along the up-down direction, a first limiting portion is arranged on the mounting plate, a second limiting portion is arranged on the pre-pressing plate, the first limiting portion and the second limiting portion are correspondingly arranged, and the first limiting portion and the second limiting portion are used for limiting the pre-pressing plate to slide downwards and separate from the mounting plate.

3. The pipe cutting machine according to claim 2, wherein a slide hole is formed in the mounting plate, a slide post is arranged on the upper side of the pre-pressing plate, the slide post is arranged in the slide hole, the mounting plate and the pre-pressing plate are in sliding connection with the slide post through the slide hole, a limiting block is arranged on the upper side of the slide post, the limiting block is arranged on the upper side of the slide hole, the outer diameter of the limiting block is larger than the diameter of the slide hole, the first limiting portion comprises the slide hole, and the second limiting portion comprises the limiting block.

4. The pipe cutting machine of claim 1, wherein the pre-pressing plate is provided with a cutter passing slit through which the cutter blade passes.

5. The pipe cutting machine of claim 1, wherein the cutting blade includes front and rear blades at front and rear sides, respectively, for cutting front and rear ends of a workpiece, respectively.

6. The pipe cutting machine according to claim 1, wherein the number of the lower positioning grooves is plural, and the plural lower positioning grooves are sequentially arranged in the left-right direction.

7. The pipe cutting machine of claim 1, wherein the base is fixedly connected with a guide rail extending in a front-rear direction, the tool jig plate is slidably connected with the guide rail, and the tool jig plate can move to a position right below the cutting blade or away from the cutting blade.

8. The pipe cutting machine of claim 7, wherein a hand pulling member is fixedly connected to the front side of the tool jig plate, a rear positioning block is fixed to the base, the rear positioning block is disposed on the rear side of the tool jig plate, and the rear positioning block is used for positioning a position where the tool jig plate slides backward so that the tool jig plate is opposite to the cutting blade.

9. The pipe cutting machine of claim 7, further comprising a transparent baffle fixedly connected to the base, the transparent baffle being disposed on a front side of the cutting assembly, the tooling jig plate being disposed below the transparent baffle.

10. The pipe cutting machine of claim 1, further comprising a scram switch disposed on the base, the scram switch being electrically connected to the cutting drive.