Closed opening equipment for catheter processing
By designing the closed-end equipment for catheter processing, using the mechanized control of mold mechanism, fixed driving mechanism, hot air mechanism and cooling air pipe, the uncertainty problem caused by the reliance on labor on the catheter in the prior art is solved, and the processing is improved Quality and productivity.
Patent Information
- Application Number
- CN202421238787.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-31
AI Technical Summary
The existing closed-mouth operation of catheters relies on manual operation, and there are uncertainties and it is difficult to ensure production quality, especially in medical production.
A closed-end device for catheter processing is designed, including a mold mechanism, a fixed driving mechanism, a hot air mechanism and a cooling air pipe, and the processing quality of the catheter is ensured through mechanized control.
Through mechanized control, the accuracy of the propulsion distance, heating time and cooling time of the urethra catheter is ensured, and the processing quality and production efficiency of the urethra catheter are improved.
Smart Images

Figure CN222451349U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of urinary catheter processing, in particular to a closed-end device for urinary catheter processing. Background Art
[0002] A urinary catheter is a medical device, usually made of a flexible tubular material, used to drain urine from the bladder to the outside of the body. The structure of a urinary catheter includes a joint and a tube body. The tube body is made by extrusion molding and cutting, and one end of the tube body needs to be closed before installation.
[0003] The existing operation of closing the end of the urinary catheter is to insert the front end of the tube into the corresponding mold, heat the mold through a heating device, and push the tube body to make the front end of the tube body melt and deform to complete the closing. After completion, the tube body is pulled out after being air-cooled. However, in this operation, due to uncertain factors in the manual operation process (such as the pushing distance of the tube body, heating time, cooling time, etc.), the production quality of the tube body cannot be guaranteed. The urinary catheter is used in medical production and has strict production requirements. In order to make the production of the urinary catheter more standardized, more machinery should be used to ensure the quality of the urinary catheter. Utility Model Content
[0004] The utility model aims to provide a closed-end device for processing a urinary catheter, which has the efficiency of improving the processing quality of the urinary catheter.
[0005] The above technical objectives of the utility model are achieved through the following technical solutions: a closed-end device for processing urinary catheters, comprising a machine base, a plurality of mold mechanisms arranged on the base and for inserting one end of the tube body of the urinary catheter, a plurality of fixed drive mechanisms arranged on the base and driving the tube body to move toward the mold mechanism after fixing the tube body of the urinary catheter, a hot air mechanism slidably arranged on the base and heating any one of the mold mechanisms during the sliding process, and a plurality of cooling air pipes arranged on the base and realizing cooling of two mold mechanisms; the machine base is provided with a mold mechanism for installation and having an installation The mold mechanism comprises a copper sheet arranged on the mounting portion, a glass cavity arranged on the copper sheet and passing through the mounting hole, and one end of the tube body of the catheter is inserted into the glass cavity during processing; the fixed driving mechanism comprises a movable seat arranged on the machine base and slidingly arranged in a direction close to or away from the mold mechanism, a copper nozzle sleeve arranged on the movable seat and for the tube body of the catheter to pass through, and an air valve arranged on the movable seat, and the air valve core of the air valve sleeve passes through the copper nozzle sleeve and is pressed against the surrounding side of the tube body of the catheter during inflation; the machine base is provided with a sliding groove for the movable seat to move and limit its moving stroke.
[0006] By adopting the above technical scheme, during the production process, first, the tube of the catheter is passed through the copper mouth sleeve on the movable seat and then inserted into the glass cavity. During the inflation process, the valve core of the valve mouth passes through the copper mouth sleeve and is pressed against the surrounding side of the tube body of the catheter to fix the tube body of the catheter. At the same time, the movable seat is pushed toward the direction close to the mold mechanism, and the hot air mechanism is used for heating, so that the front end of the tube body of the catheter is melted and deformed to complete the closure. After completion, it can be pulled out after cooling through the cooling air pipe; and when the cooling air pipe cools the tube body of the catheter on one of the mold mechanisms, the hot air mechanism can be moved to another mold mechanism for heating, thereby improving the processing efficiency; at the same time, the advancement distance of the catheter is controlled by the moving stroke of the movable seat, the heating time is controlled by the hot air mechanism, and the cooling time is controlled by the cooling air pipe, and the processing quality of the catheter is guaranteed by mechanized control.
[0007] The utility model is further configured as follows: the hot air mechanism comprises a rodless cylinder arranged on a machine base, a mounting seat arranged on the rodless cylinder, and a hot air gun arranged on the mounting seat, wherein the hot air gun has a hot air nozzle aimed at the glass cavity.
[0008] By adopting the above technical solution, the rodless cylinder can drive the mounting seat to move during operation, thereby driving the hot air gun to move, so that the hot air nozzle of the hot air gun can be aligned with any mold mechanism.
[0009] The utility model is further configured as follows: a plurality of the mold mechanisms are arranged side by side in a group of two, the hot air mechanism has two hot air guns, and the hot air nozzles of the two hot air guns can be aligned with any group of two mold mechanisms at the same time.
[0010] By adopting the above technical solution, the hot air gun has two, and the multiple mold mechanisms are arranged side by side in a group of two, thereby increasing the number of catheter tube bodies processed in a single closed-end processing and improving the overall processing efficiency.
[0011] The utility model is further configured as follows: the copper mouthpiece sleeve comprises a first sleeve body and a second sleeve body connected to the first sleeve body, the inner diameters of the first sleeve body and the second sleeve body are the same, and the outer diameter of the first sleeve body is smaller than the outer diameter of the second sleeve body; a through hole aligned with the valve core of the valve nozzle is arranged on the circumference of the first sleeve body; a limiting groove is arranged on the circumference of the second sleeve body, and a fixing bolt with one end embedded in the limiting groove is threadedly connected to the movable seat.
[0012] By adopting the above technical solution, the copper mouthpiece is connected by fixing bolts during installation. At this time, the copper mouthpiece and the movable seat are detachable, so that different mouthpieces can be replaced for installation according to the model of the catheter to be processed.
[0013] The utility model is further configured as follows: an elastic component is arranged between the mounting portion and the movable seat to drive the movable seat to move in a direction away from the mold mechanism, and the elastic component includes a guide shaft arranged on the movable seat and passing through the mounting portion, and a compression spring sleeved on the guide shaft and with both ends pressed against between the mounting portion and the movable seat.
[0014] By adopting the above technical solution and arranging the compression spring, the movable seat can be moved in a direction away from the mold mechanism, so that the movable seat can be located at one end of the sliding groove away from the mold mechanism in the initial state. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a schematic structural diagram of Example 1;
[0016] Figure 2 is a structural schematic diagram of another viewing angle of Example 1;
[0017] Figure 3 It is a structural schematic diagram of the fixed drive mechanism and the mold mechanism in Example 1;
[0018] Figure 4 is a structural exploded diagram of the fixed drive mechanism in Example 1;
[0019] Figure 5 It is a structural side view of Example 2.
[0020] Figure numerals: 1. base; 11. mounting portion; 12. mounting hole; 13. sliding groove; 2. mold mechanism; 21. copper sheet; 22. glass cavity; 3. fixed drive mechanism; 31. movable seat; 32. copper nozzle sleeve; 321. first sleeve; 322. second sleeve; 323. through hole; 324. limiting groove; 33. valve nozzle; 34. fixing bolt; 4. hot air mechanism; 41. rodless cylinder; 42. mounting seat; 43. hot air gun; 5. cooling air pipe; 6. elastic component; 61. guide shaft; 62. compression spring. DETAILED DESCRIPTION
[0021] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0022] Embodiment 1: A closed-end device for processing a urinary catheter, such as Figure 1 As shown, it includes a base 1, a plurality of mold mechanisms 2 arranged on the base and for inserting one end of the catheter body, a plurality of fixed driving mechanisms 3 arranged on the base and driving the catheter body to move toward the mold mechanism 2 after fixing the catheter body, a hot air mechanism 4 slidably arranged on the base and heating any one of the mold mechanisms 2 during the sliding process, and a plurality of cooling air pipes 5 arranged on the base and realizing cooling of the two mold mechanisms 2.
[0023] like Figures 1 to 3 As shown, a mounting portion 11 for mounting the mold mechanism 2 and having a mounting hole 12 is provided on the machine base 1. The mold mechanism 2 includes a copper sheet 21 provided on the mounting portion 11, and a glass cavity 22 provided on the copper sheet 21 and passing through the mounting hole 12. One end of the catheter body is inserted into the glass cavity 22 during processing.
[0024] like Figures 1 to 4 As shown, the fixed driving mechanism 3 includes a moving seat 31 slidably arranged on the machine base 1 in a direction close to or away from the mold mechanism 2, a copper nozzle sleeve 32 arranged on the moving seat 31 and for the catheter to pass through, and a valve 33 arranged on the moving seat 31. The valve core of the valve 33 passes through the copper nozzle sleeve 32 and is pressed against the surrounding side of the catheter during the inflation process. The machine base 1 is provided with a sliding groove 13 for the moving seat 31 to move and limit its moving stroke.
[0025] like Figures 2 to 4 As shown, the copper mouth sleeve 32 includes a first sleeve body 321 and a second sleeve body 322 connected to the first sleeve body 321. The inner diameters of the first sleeve body 321 and the second sleeve body 322 are the same, and the outer diameter of the first sleeve body 321 is smaller than the outer diameter of the second sleeve body 322. The circumferential side of the first sleeve body 321 is provided with a through hole 323 aligned with the valve core of the valve nozzle 33; the circumferential side of the second sleeve body 322 is provided with a limiting groove 324, and the movable seat 31 is threadedly connected with a fixing bolt 34 with one end embedded in the limiting groove 324.
[0026] like Figures 1 to 3 As shown, the hot air mechanism 4 includes a rodless cylinder 41 arranged on the machine base 1, a mounting seat 42 arranged on the rodless cylinder 41, and a hot air gun 43 arranged on the mounting seat 42, and the hot air gun 43 has a hot air nozzle aimed at the glass cavity 22. A plurality of mold mechanisms 2 are arranged side by side in a group of two, and the hot air mechanism 4 has two hot air guns 43, and the hot air nozzles of the two hot air guns 43 can be aimed at two mold mechanisms 2 in any group at the same time.
[0027] Implementation effect: During the production process, first, the tube of the catheter is inserted into the glass cavity 22 after passing through the copper nozzle sleeve 32 on the movable seat 31. During the inflation process, the valve core of the valve nozzle 33 passes through the copper nozzle sleeve 32 and is pressed against the surrounding side of the tube body of the catheter to fix the tube body of the catheter. At the same time, the movable seat 31 is pushed toward the direction close to the mold mechanism 2, and the hot air mechanism 4 is used for heating, so that the front end of the tube body of the catheter is melted and deformed to complete the closure. After completion, it can be pulled out after cooling through the cooling air pipe 5; and when the cooling air pipe 5 cools the tube body of the catheter on one of the mold mechanisms 2, the hot air mechanism 4 can be moved to another mold mechanism 2 for heating, thereby improving the processing efficiency; at the same time, the advancement distance of the catheter is controlled by the moving stroke of the movable seat 31, the heating time is controlled by the hot air mechanism 4, and the cooling time is controlled by the cooling air pipe 5, so that the processing quality of the catheter is guaranteed by mechanized control.
[0028] The rodless cylinder 41 can drive the mounting seat 42 to move during operation, thereby driving the hot air gun 43 to move, so that the hot air nozzle of the hot air gun 43 can be aligned with any mold mechanism 2. The hot air gun 43 has two, and multiple mold mechanisms 2 are arranged side by side in a group of two, thereby increasing the number of catheter tubes processed in a single closed-end processing and improving the overall processing efficiency. The copper mouthpiece 32 is connected by a fixing bolt 34 during installation. At this time, the copper mouthpiece 32 and the movable seat 31 are detachably arranged, so that different mouthpieces can be replaced for installation according to the model of the catheter to be processed.
[0029] Embodiment 2: A closed-end device for processing a urinary catheter, such as Figure 5 As shown, the difference from Example 1 is that an elastic component 6 is arranged between the mounting portion 11 and the movable seat 31 to drive the movable seat 31 to move in a direction away from the mold mechanism 2, and the elastic component 6 includes a guide shaft 61 arranged on the movable seat 31 and passing through the mounting portion 11, and a compression spring 62 which is sleeved on the guide shaft 61 and has both ends pressed between the mounting portion 11 and the movable seat 31.
[0030] Implementation effect: By setting the compression spring 62, the movable seat 31 can be moved in a direction away from the mold mechanism 2, so that the movable seat 31 can be located at the end of the sliding groove 13 away from the mold mechanism 2 in the initial state.
[0031] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.
Claims
1. A closed-end device for processing a urinary catheter, characterized in that: It comprises a machine base (1), a plurality of mold mechanisms (2) arranged on the base and into which one end of a catheter tube body is inserted, a plurality of fixed drive mechanisms (3) arranged on the base and which drive the catheter tube body to move toward the mold mechanism (2) after fixing the catheter tube body, a hot air mechanism (4) slidably arranged on the base and which heats any one of the mold mechanisms (2) during the sliding process, and a plurality of cooling air pipes (5) arranged on the base and which realize cooling of the two mold mechanisms (2); The machine base (1) is provided with a mounting portion (11) for mounting the mold mechanism (2) and having a mounting hole (12); the mold mechanism (2) comprises a copper sheet (21) arranged on the mounting portion (11), and a glass cavity (22) arranged on the copper sheet (21) and passing through the mounting hole (12); one end of the catheter body is inserted into the glass cavity (22) during processing; The fixed driving mechanism (3) comprises a movable seat (31) slidably arranged on the machine base (1) in a direction approaching or moving away from the mold mechanism (2), a copper nozzle sleeve (32) arranged on the movable seat (31) and through which the tube of the urinary catheter passes, and an air valve (33) arranged on the movable seat (31), wherein the air valve core of the air valve (33) passes through the copper nozzle sleeve (32) during the inflation process and is pressed against the peripheral side of the tube body of the urinary catheter; The machine base (1) is provided with a sliding groove (13) for the movable base (31) to move and limit its moving stroke.
2. A urinary catheter closing device according to claim 1, characterized in that: The hot air mechanism (4) comprises a rodless cylinder (41) arranged on a machine base (1), a mounting seat (42) arranged on the rodless cylinder (41), and a hot air gun (43) arranged on the mounting seat (42); the hot air gun (43) has a hot air nozzle aimed at the glass cavity (22).
3. A closure device for processing urinary catheters according to claim 2, characterized in that: The plurality of mold mechanisms (2) are arranged side by side in groups of two, and the hot air mechanism (4) has two hot air guns (43). The hot air nozzles of the two hot air guns (43) can be simultaneously aligned with any group of two mold mechanisms (2).
4. The closing device for processing a urinary catheter according to claim 1, characterized in that: The copper mouth sleeve (32) comprises a first sleeve body (321) and a second sleeve body (322) connected to the first sleeve body (321); the inner diameters of the first sleeve body (321) and the second sleeve body (322) are the same, and the outer diameter of the first sleeve body (321) is smaller than the outer diameter of the second sleeve body (322); a through hole (323) aligned with the valve core of the valve nozzle (33) is arranged on the circumferential side of the first sleeve body (321); a limiting groove (324) is arranged on the circumferential side of the second sleeve body (322); a fixing bolt (34) with one end embedded in the limiting groove (324) is threadedly connected to the movable seat (31).
5. The closing device for processing a urinary catheter according to claim 1, characterized in that: An elastic component (6) is arranged between the mounting portion (11) and the movable seat (31) to drive the movable seat (31) to move in a direction away from the mold mechanism (2), and the elastic component (6) comprises a guide shaft (61) arranged on the movable seat (31) and passing through the mounting portion (11), and a compression spring (62) sleeved on the guide shaft (61) and with both ends pressed against between the mounting portion (11) and the movable seat (31).