CN114734574B

CN114734574B - Catheter production forming device

Info

Publication number: CN114734574B
Application number: CN202210649214.6A
Authority: CN
Inventors: 李庆山; 范丽丽; 刘秦琪
Original assignee: Yantai Saida Medical Technology Co ltd
Current assignee: Yantai Saida Medical Technology Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-11-29
Anticipated expiration: 2042-06-10
Also published as: CN114734574A

Abstract

The invention relates to medical equipment and the technical field of preparation thereof, and particularly provides a catheter production forming device which comprises an injection molding machine and a plurality of die assemblies, wherein each die assembly comprises a female die, a male die and a cooling structure, the die assemblies are arranged in a circular array, the female die is arranged close to the center of the array, the injection molding machine is rotatably arranged above the center of the array, the outer side part of the male die is connected with a dismounting structure, and the dismounting structure is connected with a separating mechanism for opening and closing the female die and the male die. The catheter production forming device provided by the invention can greatly improve the manufacturing efficiency of the catheter, meets the production requirements, and has multifunctional technical effects.

Description

Catheter production forming device

Technical Field

The invention belongs to the technical field of medical equipment and preparation thereof, and particularly relates to a catheter production forming device.

Background

The catheter is a pipeline which is inserted into the bladder of a human body through the urethra so as to drain urine, and is a pipeline made of natural rubber, silicon rubber or polyvinyl chloride (PVC), after the catheter is inserted into the bladder, an air bag is arranged at the end close to the end of the catheter to fix the catheter to stay in the bladder and not to be easily separated, and the drainage tube is connected with a urine bag to collect urine. The existing catheter is generally manufactured by a mould, so that the manufacturing efficiency is low, and the production requirement cannot be met.

The application number is CN 202022495846.0's chinese utility model patent discloses a catheter forming die and catheter apparatus for producing, and this scheme has designed a plurality of catheter moulds, though can produce a plurality of catheters simultaneously, can improve the production efficiency of catheter, but the quantity of catheter mould is too huge in this scheme, in actual mould preparation and operation, has higher production and operation cost. Therefore, this scheme hopes to explore one kind through the catheter mould of less quantity, increases the preparation efficiency of catheter, satisfies the production demand.

Disclosure of Invention

The invention aims to provide a catheter production forming device, which is used for improving the manufacturing efficiency of catheters, meeting the production requirements and having multifunctional technical effects.

The utility model provides a catheter production forming device, includes injection molding machine, a plurality of mould subassembly, the mould subassembly includes die, terrace die and cooling structure, and is a plurality of the mould subassembly is circular array setting, the die is close to array center setting, the injection molding machine rotationally sets up the top at array center, the outside portion of terrace die is connected with dismantles the structure, dismantle the structure with be used for the die with the separating mechanism that the terrace die opened and shut is connected.

The separating mechanism comprises a chute plate, a sliding block arranged in the chute plate in a sliding manner, a toothed plate horizontally arranged at the upper end part of the sliding block, a gear meshed with the toothed plate, and a toothed rod vertically arranged and meshed with the outer end of the gear, wherein a gear shaft penetrates through the center of the gear, two ends of the gear shaft are arranged on the chute plate through a supporting seat, and the sliding block is connected with the disassembling structure;

the plurality of sliding groove plates are arranged on the supporting ring, and the bottom end of the supporting ring is arranged on the bottom plate through a plurality of supporting columns;

the top ends of the plurality of toothed bars are connected with a lifting driving mechanism.

The lifting driving mechanism comprises a lifting plate, a guide pillar and a lifting cylinder, the lifting plate is horizontally arranged, the guide pillar is connected with the lifting plate, the top end of the toothed bar is vertically connected to the bottom surface of the lifting plate, the top end of the guide pillar is connected with a support, the bottom end of the guide pillar penetrates through the lifting plate, a telescopic rod on the lifting cylinder penetrates through the lifting plate, the bottom end of the lifting cylinder is connected with the support, and a pressing plate is arranged at the bottom end of the telescopic rod.

The pressing plate is detachably contacted with the top end of the feed box, a groove block is arranged at the top end of the feed box, and the pressing plate is detachably embedded in the groove block;

the injection molding machine, the drainage mechanism and the water pumping mechanism are arranged in the material box, and the drainage mechanism and the water pumping mechanism are connected with the cooling structure in a separable manner;

the bottom of workbin is connected with the lift adjustment structure, the lift adjustment structure is connected with the motor, the motor sets up on the bottom plate.

The lifting adjusting structure comprises a first sliding column and a first driving shaft, the first sliding column and the first driving shaft are vertically arranged, the first sliding column is sleeved on the first sliding column, the top end of the first sliding column is supported and connected on the material box, the bottom end of the first sliding column is slidably arranged on the driving shaft, the first spring is arranged between the driving shaft and the material box, and the bottom end of the driving shaft is connected with the motor.

The cooling structure is in including setting up water pipe one, the setting on die top are in water pipe three, the setting of die bottom are in water pipe two, the setting on terrace die top are in water pipe four of terrace die bottom, water pipe one with water pipe three intercommunication, water pipe two with water pipe four intercommunication, water pipe three with four sliding seal of water pipe connect, water pipe one with drainage mechanism or the mechanism detachable of drawing water is connected.

The disassembling structure comprises a rotary cylinder arranged on the sliding block, a fixing frame arranged at the outer side part of the male die, a U-shaped rod arranged at the bottom end or the top end of the fixing frame, a sliding column II penetrating through the U-shaped rod, a spring II sleeved on the sliding column II, and a blocking piece and a limiting block which are respectively arranged at two ends of the sliding column II, wherein the limiting block is arranged in the fixing frame, and the blocking piece is arranged at the outer side of the U-shaped rod;

the front side and the rear side of one end of the limiting block are provided with a first inclined plane, and the left side and the right side of the limiting block are provided with a second inclined plane.

The bottom of mould subassembly is provided with accepts the board, it is provided with the open slot to accept the board and be close to its border position, the top level of accepting the board is provided with the actuating lever, the one end of actuating lever with the drive shaft is connected perpendicularly.

The invention achieves the following remarkable effects:

(1) The separating mechanism is arranged in the scheme, and the plurality of die assemblies can be freely opened and closed at the same time under the action of the toothed bar and the gear, so that the working efficiency is greatly improved;

meanwhile, the telescopic rod is matched with the air cylinder, and under the action of the air cylinder, the telescopic rod moves up and down to trigger the lifting adjusting mechanism to move, so that the height of the injection molding machine can be adjusted up and down, and the injection molding port is efficiently separated from and contacted with the mold assembly;

(2) The disassembly structure is arranged, when the male die is required to be disassembled, the rotary cylinder works, and the limiting block is separated from the rotary column in the rotary cylinder under the action of the first inclined plane and the second inclined plane in the limiting block, so that efficient and convenient separation is realized, and in the same way, the installation process of the female die is also realized through the interaction of the rotary column and the limiting block;

(3) The cooling structure is arranged and works in coordination with the drainage mechanism or the water pumping mechanism, namely when the injection molding machine injects rubber materials into the mold through the injection molding opening, the drainage mechanism is in contact with a water pipe I of another adjacent mold, water is injected into the water pipe I, and according to the principle of a communicating device, the water pipe I, the water pipe II, the water pipe III and the water pipe IV are filled with water, so that the mold is cooled, then, the driving shaft rotates to drive the injection molding machine to rotate by an angle, the water pumping mechanism is in contact with the previous water pipe I to pump out the water in the water pipe I, and the cooling process of the molds is greatly accelerated.

Drawings

FIG. 1 is a schematic structural diagram of a production molding apparatus according to an embodiment of the present invention.

Fig. 2 is a front view of a production molding apparatus in an embodiment of the present invention.

FIG. 3 is a schematic structural diagram of a mold assembly and a separation mechanism according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a disassembly structure in an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a lifting adjustment structure in an embodiment of the present invention.

FIG. 6 is a schematic structural view of a bearing plate and a driving shaft according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a fourth water pipe in the embodiment of the invention.

Wherein the reference numerals are: 1. a base plate; 2. a support; 3. a pillar; 4. a motor; 5. a bearing plate; 6. a drive shaft; 61. a first spring; 62. a sliding column I; 7. a drive rod; 8. a support ring; 9. a chute plate; 91. a slider; 92. a rotating cylinder; 93. a rack bar; 94. a gear; 95. a toothed plate; 96. a supporting seat; 10. a separating mechanism; 11. a mold assembly; 111. a female die; 112. a male die; 113. a first water pipe; 114. a second water pipe; 115. a water pipe III; 116. a fourth water pipe; 117. a fixed cylinder; 12. a material box; 121. a groove block; 13. a lifting plate; 14. a guide post; 15. a lifting cylinder; 151. a telescopic column; 152. pressing a plate; 16. an injection molding machine; 17. a drainage mechanism; 18. a water pumping mechanism; 19. disassembling the structure; 191. a fixing frame; 192. a U-shaped rod; 193. a baffle plate; 194. a sliding column II; 195. a second spring; 196. a limiting block; 197. a first inclined plane; 198. a second inclined plane; 20. and (5) cooling the structure.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is described below by way of specific embodiments.

Referring to fig. 1-7, a catheter production forming device comprises an injection molding machine 16 and a plurality of mold assemblies 11, wherein each mold assembly 11 comprises a female mold 111, a male mold 112 and a cooling structure 20, the plurality of mold assemblies 11 are arranged in a circular array, the female mold 111 is arranged close to the center of the array, the injection molding machine 16 is rotatably arranged above the center of the array, the outer side of the male mold 112 is connected with a dismounting structure 19, and the dismounting structure 19 is connected with a separating mechanism 10 for opening and closing the female mold 111 and the male mold 112.

The separating mechanism 10 comprises a chute plate 9, a sliding block 91 slidably arranged in the chute plate 9, a toothed plate 95 horizontally arranged at the upper end of the sliding block 91, a gear 94 engaged and connected with the toothed plate 95, and a toothed bar 93 vertically arranged and engaged and connected with the outer end of the gear 94, wherein a gear shaft penetrates through the center of the gear 94, two ends of the gear shaft are arranged on the chute plate 9 through a supporting seat 96, and the sliding block 91 is connected with the detaching structure 19;

the plurality of sliding groove plates are arranged on the support ring 8, and the bottom end of the support ring 8 is arranged on the bottom plate 1 through the plurality of pillars 3;

the top ends of the plurality of toothed bars 93 are connected with a lifting driving mechanism.

The lifting driving mechanism comprises a lifting plate 13, a guide post 14 and a lifting cylinder 15, the lifting plate 13 is horizontally arranged, the guide post 14 is connected with the lifting plate 13, the top end of a toothed bar 93 is vertically connected to the bottom surface of the lifting plate 13, the top end of the guide post 14 is connected with the support 2, the bottom end of the guide post passes through the lifting plate 13, a telescopic rod on the lifting cylinder 15 passes through the lifting plate 13, the bottom end of the lifting cylinder 15 is connected with the support 2, and a pressing plate 152 is arranged at the bottom end of the telescopic rod.

The pressing plate 152 is detachably contacted with the top end of the feed box 12, the top end of the feed box 12 is provided with a groove block 121, and the pressing plate 152 is detachably embedded in the groove block 121;

the injection molding machine 16, the drainage mechanism 17 and the water pumping mechanism 18 are arranged in the feed box 12, and the drainage mechanism 17 and the water pumping mechanism 18 are detachably connected with the cooling structure 20;

the bottom of workbin 12 is connected with the lift adjustment structure, and the lift adjustment structure is connected with motor 4, and motor 4 sets up on bottom plate 1.

The lifting adjusting structure comprises a first vertically-arranged sliding column 62, a first spring 61 and a driving shaft 6, wherein the first spring 61 and the driving shaft 6 are sleeved on the first vertically-arranged sliding column 62, the top end of the first sliding column 62 is connected to the material box 12 in a supporting mode, the bottom end of the first sliding column 62 is arranged on the driving shaft 6 in a vertically sliding mode, the first spring 61 is arranged between the driving shaft 6 and the material box 12, and the bottom end of the driving shaft 6 is connected with the motor 4.

The cooling structure 20 comprises a first water pipe 113 arranged at the top end of the female die 111, a third water pipe 115 arranged at the bottom end of the female die 111, a second water pipe 114 arranged at the top end of the male die 112, and a fourth water pipe 116 arranged at the bottom end of the male die 112, wherein the first water pipe 113 is communicated with the third water pipe 115, the second water pipe 114 is communicated with the fourth water pipe 116, the third water pipe 115 is connected with the fourth water pipe 116 in a sliding and sealing manner, and the first water pipe 113 is detachably connected with the drainage mechanism 17 or the water pumping mechanism 18.

Specifically, the water pipe four 116 is slidably inserted into the water pipe three 115, and a fixing cylinder 117 is disposed at an outer side portion of the water pipe four 116, and the fixing cylinder 117 is sealed at an outer side surface of the water pipe three 115.

The dismounting structure 19 comprises a rotary cylinder 92 arranged on the sliding block 91, a fixed frame 191 arranged at the outer side part of the male die 112, a U-shaped rod 192 arranged at the bottom end or the top end of the fixed frame 191, a sliding column II 194 penetrating through the U-shaped rod 192, a spring II 195 sleeved on the sliding column II 194, a blocking piece 193 and a limiting piece 196, wherein the blocking piece 193 is arranged in the fixed frame 191, and the blocking piece 193 is arranged at the outer side of the U-shaped rod 192;

a first inclined plane 197 is arranged on the front side and the rear side of one end of the limiting block 196, and a second inclined plane 198 is arranged on the left side and the right side.

The bottom end of the die component 11 is provided with a bearing plate 5, an open slot is arranged at the position, close to the edge, of the bearing plate 5, a driving rod 7 is horizontally arranged above the bearing plate 5, and one end of the driving rod 7 is vertically connected with a driving shaft 6.

The specific working process of the invention is as follows:

in the scheme, the separating mechanism 10 is arranged, under the action of the lifting cylinder 15, the telescopic column 151 of the lifting cylinder 15 rises, and under the action of the pressing plate 152, the lifting plate 13 is driven to do rising motion, so that the toothed rod 93 is driven to do rising motion, the toothed rod 93 drives the gear 94 to rotate, the gear 94 drives the toothed plate 95 to move outwards, and then the male die 112 is separated from the female die 111 through the dismounting structure 19;

because the telescopic column 151 can slide through the lifting plate 13 and the pressure plate 152 and the lifting plate 13 can have a certain distance, the lifting of the toothed bar 93 can not interfere with the lifting regulation of the material box 12; when the pressing plate 152 presses on the feed box 12, the injection molding machine 16 is driven to be in contact with the mold, or the drainage mechanism 17 and the water pumping mechanism 18 are driven to be in contact with the first water pipe 113; when the pressing plate 152 is separated from the feed box 12, the injection molding machine 16 is separated from the mold, or the drainage mechanism 17 and the water pumping mechanism 18 are separated from the first water pipe 113; thus, the height of the injection molding machine 16 can be adjusted up and down, and the injection molding opening is efficiently separated from and contacted with the mold assembly 11;

the dismounting structure 19 is arranged, when the male die 112 needs to be dismounted, the rotary cylinder 92 works, at this time, under the action of the first inclined plane 197 and the second inclined plane 198 in the limit block 196, the limit block 196 is separated from the rotary column in the rotary cylinder 92, so that efficient and convenient separation is realized, and similarly, the mounting process of the female die 111 is also realized through the interaction of the rotary column and the limit block 196;

the cooling structure 20 is arranged and works in coordination with the drainage mechanism 17 or the water pumping mechanism 18, namely when the injection molding machine 16 injects rubber materials into a mold through an injection molding opening, the drainage mechanism 17 is in contact with a first water pipe 113 of another adjacent mold, at the moment, the mold is just injected and cast, cooling is urgently needed, water is injected into the first water pipe 113 of the mold through the drainage mechanism 17, and according to the principle of a communicating device, the first water pipe 113, the second water pipe 114, the third water pipe 115 and the fourth water pipe 116 are filled with water, so that the mold is rapidly cooled;

the telescopic column 151 of the lifting cylinder 15 rises, the bin 12 rises immediately under the action of the first spring 61, then the driving shaft 6 rotates to drive the injection molding machine 16 to rotate for an angle, and the water pumping mechanism 18 contacts with the first water pipe 113 which is cooled immediately before to pump out water in the first water pipe 113, so that the updating process of cooling water is accelerated.

The technical features of the present invention, which are not described in the present application, can be implemented by or using the prior art, and are not described herein again, and of course, the above description is not limited to the above examples, and the present invention is not limited to the above examples, and variations, modifications, additions and substitutions which can be made by those skilled in the art within the spirit of the present invention should also fall within the scope of the present invention.

Claims

1. The urinary catheter production and forming device comprises an injection molding machine (16) and a plurality of mold assemblies (11), and is characterized in that the mold assemblies (11) comprise female molds (111), male molds (112) and cooling structures (20), the mold assemblies (11) are arranged in a circular array, the female molds (111) are arranged close to the center of the array, the injection molding machine (16) is rotatably arranged above the center of the array, the outer side parts of the male molds (112) are connected with dismounting structures (19), and the dismounting structures (19) are connected with separating mechanisms (10) for opening and closing the female molds (111) and the male molds (112);

the separating mechanism (10) comprises a sliding chute plate (9), a sliding block (91) which is slidably arranged in the sliding chute plate (9), a toothed plate (95) which is horizontally arranged at the upper end part of the sliding block (91), a gear (94) which is meshed and connected with the toothed plate (95), and a toothed rod (93) which is vertically arranged and meshed and connected with the outer end of the gear (94), wherein a gear shaft penetrates through the center of the gear (94), two ends of the gear shaft are arranged on the sliding chute plate (9) through a supporting seat (96), and the sliding block (91) is connected with the disassembling structure (19);

the sliding groove plates (9) are arranged on the supporting ring (8), and the bottom end of the supporting ring (8) is arranged on the bottom plate (1) through the pillars (3); the top ends of the plurality of toothed bars (93) are connected with a lifting driving mechanism.

2. The urinary catheter production molding device according to claim 1, characterized in that the lifting driving mechanism comprises a horizontally arranged lifting plate (13), a guide post (14) connected with the lifting plate (13) and a lifting cylinder (15), the top end of the toothed rod (93) is vertically connected to the bottom surface of the lifting plate (13), the top end of the guide post (14) is connected with the support (2) and the bottom end thereof passes through the lifting plate (13), the telescopic rod on the lifting cylinder (15) passes through the lifting plate (13), the bottom end of the lifting cylinder (15) is connected with the support (2), and the bottom end of the telescopic rod is provided with a pressure plate (152).

3. The urinary catheter production molding device according to claim 2, characterized in that the pressing plate (152) is detachably contacted with the top end of the bin (12), the top end of the bin (12) is provided with a groove block (121), and the pressing plate (152) is detachably embedded in the groove block (121);

the injection molding machine (16), the drainage mechanism (17) and the water pumping mechanism (18) are arranged in the feed box (12), and the drainage mechanism (17) and the water pumping mechanism (18) are connected with the cooling structure (20) in a separable mode;

the bottom of workbin (12) is connected with the lift adjustment structure, the lift adjustment structure is connected with motor (4), motor (4) set up on bottom plate (1).

4. The urinary catheter production molding device according to claim 3, characterized in that the lifting adjusting structure comprises a first vertically-arranged sliding column (62), a first spring (61) sleeved on the first sliding column (62), and a driving shaft (6), the top end of the first sliding column (62) is supported and connected on the material box (12), the bottom end of the first sliding column (62) is slidably arranged on the driving shaft (6), the first spring (61) is arranged between the driving shaft (6) and the material box (12), and the bottom end of the driving shaft (6) is connected with the motor (4).

5. The urinary catheter production molding device according to claim 4, wherein the cooling structure (20) comprises a first water pipe (113) arranged at the top end of the female die (111), a third water pipe (115) arranged at the bottom end of the female die (111), a second water pipe (114) arranged at the top end of the male die (112), and a fourth water pipe (116) arranged at the bottom end of the male die (112), wherein the first water pipe (113) is communicated with the third water pipe (115), the second water pipe (114) is communicated with the fourth water pipe (116), the third water pipe (115) is connected with the fourth water pipe (116) in a sliding and sealing manner, and the first water pipe (113) is detachably connected with the drainage mechanism (17) or the pumping mechanism (18).

6. A catheter production forming device as claimed in claim 4, wherein the bottom end of the mold assembly (11) is provided with a bearing plate (5), an open slot is formed at the position, close to the edge of the bearing plate (5), a driving rod (7) is horizontally arranged above the bearing plate (5), and one end of the driving rod (7) is vertically connected with the driving shaft (6).