CN218983870U - Needle tube catheter assembling tool for production of indwelling needle - Google Patents
Needle tube catheter assembling tool for production of indwelling needle Download PDFInfo
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- CN218983870U CN218983870U CN202223078633.3U CN202223078633U CN218983870U CN 218983870 U CN218983870 U CN 218983870U CN 202223078633 U CN202223078633 U CN 202223078633U CN 218983870 U CN218983870 U CN 218983870U
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Abstract
The utility model relates to a needle tube catheter assembly tool for the production of an indwelling needle, which comprises a needle tube positioning mechanism and a catheter assembly mechanism, wherein the needle tube positioning mechanism comprises a plug seat, a rotating plate, a first positioning block, a second positioning block and two vertical plates, the plug seat is vertically arranged on the upper end surface of the rotating plate, the upper end surface of the plug seat is coaxially provided with a containing groove for coaxially inserting the needle tube, the two vertical plates are respectively vertically arranged on two sides of the rotating plate, the central axis of the rotating plate is horizontally and rotatably arranged on the two vertical plates, the first positioning block and the second positioning block are respectively arranged on two sides of the rotating plate, the two vertical plates are provided with a first limiting block and a second limiting block which are respectively in one-to-one correspondence with the first positioning block and the second positioning block, and the catheter assembly mechanism comprises a lifting plate and a pair of clamping jaws; the utility model effectively improves the feeding accuracy of the needle tube and the success rate of catheter assembly, and has simple structure, convenient maintenance and low production cost.
Description
Technical Field
The utility model relates to the technical field of production of indwelling needles, in particular to a needle tube catheter assembling tool for production of indwelling needles.
Background
With the rise and development of indwelling needle products, the medical indwelling needle is increasingly demanded based on the advanced effects and advantages thereof. But the manufacturing process of the indwelling needle related product is relatively complex and demanding.
The needle tube catheter assembly mechanism of the indwelling needle provided by the Chinese patent with the publication number of CN211759615U comprises a supporting frame, a stand column, a servo motor, a parallel opening and closing clamping jaw cylinder, a guide clamping jaw part and a transplanting carrying part, wherein the stand column is arranged on one side edge of the upper part of the supporting frame, the servo motor is movably arranged on the stand column and is respectively connected with the parallel opening and closing clamping jaw cylinder and the transplanting carrying part, and the guide clamping jaw part is respectively connected with the parallel opening and closing clamping jaw cylinder and is positioned on the side edge of the stand column. In this manner, the needle cannula assembly mechanism effects assembly of the needle cannula into the catheter.
However, the needle tube and catheter assembling mechanism lacks a needle tube positioning function in the process of moving the needle tube, cannot accurately judge whether the needle tube is aligned to the catheter, is easy to be empty, has low success rate of needle tube and catheter assembling, and is complex in structure, high in production cost and inconvenient to maintain.
Therefore, the utility model provides a needle tube catheter assembling tool for producing an indwelling needle, which solves the problems.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a needle tube and catheter assembly tool for the production of an indwelling needle, which improves the success rate of assembling a needle tube and a catheter, has a simple structure, is convenient to maintain and has low production cost.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a keep somewhere needle production and use needle tubing pipe equipment frock which innovation point lies in: comprising
The needle tube positioning mechanism comprises a plug seat, a rotating plate, a first positioning block, a second positioning block and two vertical plates, wherein the plug seat is vertically arranged on the upper end face of the rotating plate, the upper end face of the plug seat is coaxially provided with a containing groove for coaxially inserting a needle tube, the two vertical plates are respectively vertically arranged on two sides of the rotating plate, the central axis of the rotating plate is horizontally and rotatably arranged on the two vertical plates, the first positioning block and the second positioning block are respectively arranged on two sides of the rotating plate and rotate along with the rotation of the rotating plate, and the two vertical plates are provided with a first limiting block and a second limiting block which are respectively in one-to-one correspondence with the first positioning block and the second positioning block and are mutually matched with the first limiting block, the second positioning block and the second limiting block, so that the rotation angle range of the rotating plate is limited;
the guide pipe assembly mechanism comprises a lifting plate and a pair of clamping jaws, wherein the lifting plate is horizontally arranged on one side of the rotating plate and driven to move up and down through a first driving piece, the clamping jaws are movably arranged on one side, close to the rotating plate, of the upper end face of the lifting plate and move along with the movement of the lifting plate, and the clamping jaws are arranged above the plug seat and driven to move close to or away from each other through a second driving piece.
Further, the needle tube positioning mechanism is provided with a feeding and discharging station and a catheter assembling station in the rotating direction of the rotating plate;
when the rotating plate rotates to the feeding and discharging stations, the central axis of the accommodating groove is obliquely arranged, the central axis of the accommodating groove is inclined from bottom to top to the side far away from the catheter assembly mechanism, and the side wall of the first positioning block is attached to the first limiting block to limit;
when the rotating plate rotates to the catheter assembly station, the central axis of the accommodating groove is vertically arranged, a needle tube arranged in the accommodating groove enters between the pair of clamping jaws, and the side wall of the second positioning block is attached to the second limiting block to limit.
Further, needle tubing pipe equipment frock still includes pressure sensor and controller, and the controller is used for receiving pressure sensor signal and controlling first driving piece and second driving piece action, pressure sensor sets up in one side that the second locating piece kept away from the second stopper, and when the rotor plate rotated to the pipe equipment station, second locating piece and pressure sensor laminating.
Further, a balancing weight is arranged below one side, far away from the guide pipe assembly mechanism, of the rotating plate, and the balancing weight is used for keeping the gravity center of the rotating plate located on one side, far away from the guide pipe assembly mechanism, of the rotating plate, so that the rotating plate can automatically rotate from the guide pipe assembly station to the feeding and discharging stations without being affected by external force.
Further, the bottom of plug seat has the movable block, open and have the waist shape hole that supplies the movable block to insert and horizontal migration on the rotor plate, the movable block activity sets up in waist shape hole, the plug seat is fixed with the rotor plate through first bolt.
Further, the rotating shafts are coaxially arranged on two sides of the rotating plate, first through holes for the rotating shafts on the same side to pass through are formed in the two vertical plates, and the rotating shafts pass through the corresponding first through holes to be connected with the first positioning blocks or the second positioning blocks on the same side in a rotating way;
the first positioning block and the second positioning block are respectively provided with a second through hole through which the rotating shaft passes, the rotating shaft is movably arranged in the second through holes, the upper end surfaces of the first positioning block and the second positioning block are respectively provided with a through groove communicated with the second through holes, and two sides of the through grooves of the first positioning block and the second positioning block are fastened and connected through second bolts.
Further, guide rods are vertically arranged on two sides of the clamping jaw of the lifting plate, the lifting plate is provided with guide holes for the guide rods to pass through, and the guide rods are arranged in the guide holes.
Further, be connected through a connecting plate between two guide bars, the connecting plate sets up in the clamping jaw top, be equipped with clamping jaw and remove the stopper between connecting plate and the clamping jaw, clamping jaw removes the stopper and is connected with the connecting plate through the threaded rod of vertical setting, it has the internal thread hole with threaded rod assorted to open on the connecting plate, threaded rod threaded connection internal thread hole, clamping jaw removes the stopper and connects in the threaded rod bottom, and the threaded rod passes through the nut to be fixed on the connecting plate.
The utility model has the advantages that:
(1) According to the utility model, the first positioning block is matched with the first limiting block, the second positioning block and the second limiting block, and the rotation angle range of the rotating plate is limited, so that the accurate switching of the rotating plate from two stations is realized, the feeding accuracy of the needle tube and the success rate of the catheter assembly are effectively improved, and the tool successfully installs the catheter on the needle tube only by the mutual matching of the needle tube positioning mechanism and the catheter assembly mechanism, so that the structure is simple, the maintenance is convenient, and the production cost is low.
(2) According to the utility model, the pressure sensor and the controller are arranged, so that the assembly efficiency is effectively improved.
(3) According to the utility model, the balancing weight is arranged, so that the rotating plate automatically rotates to the feeding and discharging stations from the guide pipe assembling station without the action of external force, the automatic resetting of the rotating plate is realized, and the assembling efficiency is improved.
(4) The moving block is movably arranged in the kidney-shaped hole, and the relative position of the mounting plate and the rotating plate is adjusted by pushing the moving block to move in the kidney-shaped hole, so that the relative position of the plug seat and the clamping jaw is adjusted, and a needle tube arranged on the plug seat smoothly rotates along with the rotating plate to enter between the clamping jaws.
(5) The rotatable angle range of the rotating plate is conveniently adjusted by arranging the through groove and the second bolt.
(6) According to the utility model, the guide rod is arranged to guide the moving direction of the lifting plate, so that the stability of the lifting plate in moving up and down is improved.
(7) According to the utility model, the lifting height of the clamping jaw is limited by arranging the clamping jaw moving limiting block, and the height position of the clamping jaw moving limiting block is adjusted by arranging the threaded rod, so that the fixture can be suitable for assembling a guide pipe and needle tubes with different lengths.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of a needle tube catheter assembly tool for producing an indwelling needle according to the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected 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 be within the scope of the utility model.
The needle tube and catheter assembly tool for the production of the indwelling needle shown in fig. 1 comprises a workbench 1, a needle tube positioning mechanism and a catheter assembly mechanism.
The needle tube positioning mechanism comprises a plug seat 2, a rotating plate 3, a first positioning block 4, a second positioning block 5 and two vertical plates 6.
The plug seat 2 is vertically installed on the upper end face of the rotating plate 3 through the mounting plate 7, the mounting plate 7 is arranged on the upper end face of the rotating plate 3 and is parallel to the rotating plate 3, the plug seat 2 is installed on the upper end face of the mounting plate 7, the central axis of the plug seat 2 is vertical to the mounting plate 7, the upper end face of the plug seat 2 is coaxially provided with a containing groove for coaxially inserting a needle tube 8, the bottom of the mounting plate 7 is provided with a moving block, the rotating plate 3 is provided with a waist-shaped hole 8 for inserting the moving block and horizontally moving, the moving block is movably arranged in the waist-shaped hole 8, the relative position of the mounting plate 7 and the rotating plate 3 is adjusted by pushing the moving block, so that the relative position of the plug seat 2 and a clamping jaw is adjusted, the needle tube installed on the plug seat 2 smoothly rotates along with the rotating plate 3 to enter the clamping jaw, and after the position adjustment is in place, the mounting plate 7 is fixed with the rotating plate 3 through a first bolt 9.
The two vertical plates 6 are vertically arranged on two sides of the rotating plate 3 respectively and are arranged on the upper end surface of the workbench 1, the central axis of the rotating plate 3 is horizontally and rotatably arranged on the two vertical plates 6, the first positioning block 4 and the second positioning block 5 are respectively arranged on two sides of the rotating plate 3 and rotate along with the rotation of the rotating plate 3, the two vertical plates 6 are provided with a first limiting block and a second limiting block 10 which are respectively in one-to-one correspondence with the first positioning block 4 and the second positioning block 5, and the rotating angle range of the rotating plate is limited by the mutual matching of the first positioning block 4 and the first limiting block, the second positioning block 5 and the second limiting block 10; in this embodiment, the rotating shafts 11 are coaxially installed on both sides of the rotating plate 3, the first through holes for the rotating shafts 11 on the same side to pass through are formed on both vertical plates 6, and the rotating shafts 11 rotate to pass through the corresponding first through holes to be connected with the first positioning blocks 4 or the second positioning blocks 5 on the same side; the first positioning block 4 and the second positioning block 5 are respectively provided with a second through hole through which the rotating shaft 11 passes, the rotating shaft 11 is movably arranged in the second through hole, the upper end surfaces of the first positioning block 4 and the second positioning block 5 are respectively provided with a through groove 12 communicated with the second through hole, two sides of the through grooves of the first positioning block 4 and the second positioning block 5 are respectively fastened and connected through second bolts 13, after the second bolts 13 are unscrewed, the first positioning block 4 and the second positioning block 4 can rotate around the rotating shaft 11, the rotatable angle range of the rotating plate 3 is adjusted, and after the adjustment is finished, the first positioning block 4 and the second positioning block 4 are fastened on the rotating shaft 11 through tightening the second bolts 13, so that the fixation is realized.
The catheter assembly mechanism includes a lifter plate 14 and a pair of jaws 15.
The lifter plate 14 is horizontally arranged on one side of the rotating plate 3 and is driven to move up and down by a first driving piece 16, the first driving piece 16 is arranged on the workbench 1 by a hydraulic cylinder or an electric push rod, the lifter plate 14 is horizontally arranged above the first driving piece 16 and is connected with the telescopic end of the first driving piece 16, a pair of clamping jaws 15 are movably arranged on one side, close to the rotating plate 3, of the upper end face of the lifter plate 14 and move along with the movement of the lifter plate 14, a pair of clamping jaws 15 are arranged above the plug seat 2 and are driven to move close to or away from each other by a second driving piece 17, and the second driving piece 17 adopts a motor. In this embodiment, the inner side of the clamping jaw 15 is provided with an elastic sponge, so that soft contact is performed between the clamping jaw 15 and the catheter pre-sleeved on the outer side of the top of the needle tube, the catheter can be driven to move downwards, the catheter is completely sleeved on the needle tube, and the catheter can be protected from being extruded and deformed.
In the embodiment, the needle tube positioning mechanism is provided with a loading and unloading station and a catheter assembling station in the rotation direction of the rotating plate 3, the first positioning block 4 and the second positioning block 5 have the same structure and are of L-shaped structures, and the first positioning block 4 and the second positioning block 5 are centrally symmetrical relative to the rotating plate 3;
when the rotating plate 3 rotates to the feeding and discharging station, the central axis of the accommodating groove is obliquely arranged, the central axis of the accommodating groove is inclined from bottom to top to one side far away from the catheter assembly mechanism, and the side wall of the first positioning block 4 is attached to the first limiting block to limit, so that the rotating plate 3 is stabilized at the feeding and discharging station, an operator can conveniently place the needle tube in the accommodating groove, and the catheter is pre-sleeved at the top of the needle tube;
when the rotating plate 3 rotates to the catheter assembly station, the central axis of the accommodating groove is vertically arranged, the needle tube 8 arranged in the accommodating groove enters between the pair of clamping jaws 15, and the side wall of the second positioning block 5 is attached to the second limiting block to limit.
The balancing weight is arranged below one side, far away from the guide pipe assembly mechanism, of the lower end face of the rotating plate 3 and used for keeping the gravity center of the rotating plate 3 located on one side, far away from the guide pipe assembly mechanism, of the rotating plate 3, so that the rotating plate 3 can automatically rotate from the guide pipe assembly station to the feeding and discharging stations without being affected by external force, and automatic resetting of the rotating plate 3 is achieved.
In this embodiment, needle tubing pipe equipment frock still includes pressure sensor 23 and controller, the controller is used for receiving pressure sensor 23 signal and controlling first driving piece 16 and second driving piece 17 action, pressure sensor 23 sets up in the one side that second locating piece 5 kept away from second stopper 10, pressure sensor 23 passes through mount pad 24 and installs on workstation 1, when the rotor plate rotates to the pipe equipment station, second locating piece 5 laminating with pressure sensor 23, the controller receives the signal of pressure sensor 23 transmission back, control second driving piece 17 and first driving piece 16 action immediately, accomplish the equipment operation between pipe and the needle tubing 8, the packaging efficiency has been improved.
Working principle: the rotor plate 3 is in unloading station department on, first locating piece 4 is spacing with first stopper laminating, the manual needle tubing 8 of placing in the holding tank of operating personnel, with pipe suit in advance in needle tubing 8 top, manual pressing rotor plate 3 up end, make rotor plate 3 rotate to pipe equipment station, laminate by second locating piece 5 and second stopper 10 and carry out spacing to rotor plate 3, the needle tubing of suit pipe rotates between a pair of clamping jaw 15 thereupon, simultaneously second locating piece 5 is laminating with pressure sensor 23, after the controller received the signal of pressure sensor 23 transmission, start second driving piece 17, drive clamping jaw 15 is close to each other and clamp the pipe, start first driving piece 16, drive lifter plate 14 and move down, lifter plate 14 passes through clamping jaw 15 and drives the pipe and move down, make the pipe suit in the needle tubing 8 outside completely, second driving piece 17 drives clamping jaw release pipe, the arm release rotor plate 3 cancel the pressure, rotor plate 3 rotates under the effect of balancing weight and goes up unloading station department, simultaneously first driving piece 16 drives lifter plate 14 and moves up and resets, operating personnel takes down the clamping jaw 15, accomplish the needle tubing of equipment operation.
According to the needle tube and catheter assembly tooling for the production of the indwelling needle, provided by the utility model, the rotating angle range of the rotating plate is limited by the first locating block, the first locating block and the second locating block which are matched with each other, so that the rotating plate is accurately switched between two stations, the feeding accuracy of the needle tube and the success rate of catheter assembly are effectively improved, and the catheter is successfully sleeved on the needle tube only by the needle tube locating mechanism and the catheter assembly mechanism which are matched with each other, so that the tooling is simple in structure, convenient to maintain and low in production cost.
It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. Needle tube catheter assembly tooling for production of indwelling needles is characterized in that: comprising
The needle tube positioning mechanism comprises a plug seat, a rotating plate, a first positioning block, a second positioning block and two vertical plates, wherein the plug seat is vertically arranged on the upper end face of the rotating plate, the upper end face of the plug seat is coaxially provided with a containing groove for coaxially inserting a needle tube, the two vertical plates are respectively vertically arranged on two sides of the rotating plate, the central axis of the rotating plate is horizontally and rotatably arranged on the two vertical plates, the first positioning block and the second positioning block are respectively arranged on two sides of the rotating plate and rotate along with the rotation of the rotating plate, and the two vertical plates are provided with a first limiting block and a second limiting block which are respectively in one-to-one correspondence with the first positioning block and the second positioning block and are mutually matched with the first limiting block, the second positioning block and the second limiting block, so that the rotation angle range of the rotating plate is limited;
the guide pipe assembly mechanism comprises a lifting plate and a pair of clamping jaws, wherein the lifting plate is horizontally arranged on one side of the rotating plate and driven to move up and down through a first driving piece, the clamping jaws are movably arranged on one side, close to the rotating plate, of the upper end face of the lifting plate and move along with the movement of the lifting plate, and the clamping jaws are arranged above the plug seat and driven to move close to or away from each other through a second driving piece.
2. The needle tube catheter assembly fixture for producing an indwelling needle according to claim 1, wherein: the needle tube positioning mechanism is provided with a feeding and discharging station and a catheter assembling station in the rotation direction of the rotating plate;
when the rotating plate rotates to the feeding and discharging stations, the central axis of the accommodating groove is obliquely arranged, the central axis of the accommodating groove is inclined from bottom to top to the side far away from the catheter assembly mechanism, and the side wall of the first positioning block is attached to the first limiting block to limit;
when the rotating plate rotates to the catheter assembly station, the central axis of the accommodating groove is vertically arranged, a needle tube arranged in the accommodating groove enters between the pair of clamping jaws, and the side wall of the second positioning block is attached to the second limiting block to limit.
3. The needle tube catheter assembly fixture for producing an indwelling needle according to claim 2, wherein: the needle tube catheter assembly tool further comprises a pressure sensor and a controller, the controller is used for receiving signals of the pressure sensor and controlling the first driving piece and the second driving piece to act, the pressure sensor is arranged on one side, away from the second limiting block, of the second positioning block, and when the rotating plate rotates to the catheter assembly station, the second positioning block is attached to the pressure sensor.
4. The needle tube catheter assembly fixture for producing an indwelling needle according to claim 2, wherein: the balancing weight is arranged below one side, far away from the guide pipe assembly mechanism, of the rotating plate and used for keeping the gravity center of the rotating plate located on one side, far away from the guide pipe assembly mechanism, of the rotating plate, so that the rotating plate can automatically rotate from the guide pipe assembly station to the feeding and discharging station without the action of external force.
5. The needle tube catheter assembly fixture for producing an indwelling needle according to claim 1, wherein: the bottom of the plug seat is provided with a moving block, the rotating plate is provided with a waist-shaped hole for the moving block to insert and horizontally move, the moving block is movably arranged in the waist-shaped hole, and the plug seat is fixed with the rotating plate through a first bolt.
6. The needle tube catheter assembly fixture for producing an indwelling needle according to claim 1, wherein: the rotating plates are coaxially arranged on two sides of the rotating plate, first through holes for the rotating shafts on the same side to pass through are formed in the two vertical plates, and the rotating shafts pass through the corresponding first through holes to be connected with the first positioning blocks or the second positioning blocks on the same side in a rotating way;
the first positioning block and the second positioning block are respectively provided with a second through hole through which the rotating shaft passes, the rotating shaft is movably arranged in the second through holes, the upper end surfaces of the first positioning block and the second positioning block are respectively provided with a through groove communicated with the second through holes, and two sides of the through grooves of the first positioning block and the second positioning block are fastened and connected through second bolts.
7. The needle tube catheter assembly fixture for producing an indwelling needle according to claim 1, wherein: guide rods are vertically arranged on two sides of the clamping jaw of the lifting plate, guide holes for the guide rods to pass through are formed in the lifting plate, and the guide rods are arranged in the guide holes.
8. The assembly fixture for the needle tube catheter for the production of the indwelling needle according to claim 7, wherein: the two guide rods are connected through a connecting plate, the connecting plate is arranged above the clamping jaw, a clamping jaw moving limiting block is arranged between the connecting plate and the clamping jaw, the clamping jaw moving limiting block is connected with the connecting plate through a threaded rod which is arranged vertically, an internal threaded hole which is matched with the threaded rod is formed in the connecting plate, the threaded rod is in threaded connection with the internal threaded hole, the clamping jaw moving limiting block is connected to the bottom end of the threaded rod, and the threaded rod is fixed on the connecting plate through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223078633.3U CN218983870U (en) | 2022-11-21 | 2022-11-21 | Needle tube catheter assembling tool for production of indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223078633.3U CN218983870U (en) | 2022-11-21 | 2022-11-21 | Needle tube catheter assembling tool for production of indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218983870U true CN218983870U (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223078633.3U Active CN218983870U (en) | 2022-11-21 | 2022-11-21 | Needle tube catheter assembling tool for production of indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218983870U (en) |
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2022
- 2022-11-21 CN CN202223078633.3U patent/CN218983870U/en active Active
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