Medical gauze ball production device

Abstract

A medical gauze ball production device, comprising a rubber ring cutting device, a rubber ring transfer device, a rubber ring transfer device, a pushing device and a gauze ball forming device, the gauze ball forming device comprises an outer tube, the inner hole of the outer tube is axially slidably arranged with a core tube, the annular gap between the outer tube and the inlet end of the core tube is axially arranged with a forming tube, the outer end surface of the pushing rod of the pushing device is provided with an axial counterbore corresponding to the outer end of the core tube, the hole diameter of the axial counterbore is larger than the diameter of the outer end of the core tube, the diameter of the outer end of the pushing rod is smaller than the hole diameter of the inlet end of the forming tube, and the axial movement of the core tube and the pushing rod is respectively driven by two independent driving devices. The gauze ball production device adds special components for limiting and guiding the folding position of the gauze sheet between the pushing device and the gauze ball forming device, which can realize faster forming of gauze balls in shorter forming tubes, and can effectively improve the production efficiency of gauze balls.

Description

TECHNICAL FIELD

[0001] The application relates to a medical gauze ball production device and belongs to the technical field of gauze ball production equipment. BACKGROUND

[0002] The existing gauze ball production equipment is shown in the Chinese invention patent "Granting announcement number: CN107198608B; application publication date: September 26, 2017; name: gauze ball machine", which comprises a rubber ring cutting device, a rubber ring transfer device, a rubber ring transfer device, a pushing device and a gauze ball forming device arranged in sequence, a conveying belt for vertically transporting gauze sheets is arranged between the pushing device and the gauze ball forming device, and the middle part of the conveying belt is provided with a space through which the related parts of the pushing device and the gauze ball forming device pass. The scheme has the following defects: 1. The rubber ring transfer device is a double-arm swing type, when one swing arm is located at the rubber ring cutting device, the other swing arm is located at the pushing device, this design not only has no substantial help to improve the production efficiency of gauze balls, but also has defects of large space occupation, higher requirements for the design of the support of the transfer device, and the rubber ring transfer device, the pushing device and the gauze ball forming device can only move correspondingly to the gauze ball forming device, but cannot use the more simple way of moving the gauze ball forming device, the selection of the arrangement mode between the rubber ring transfer device, the pushing device and the gauze ball forming device is less, there are more reciprocating parts in the use process, and the failure rate is higher; 2. In the folding forming process of the gauze sheet, after the rubber ring is sleeved on the protruding part of the gauze sheet, the preliminarily folded gauze sheet is pushed into the forming pipe by the pushing rod and moves axially, in the axial movement process, the preliminarily folded gauze sheet is finally formed into a gauze ball by cooperating with the inner wall of the forming pipe, in this scheme, since there is no special component for guiding and folding the gauze sheet, the gauze sheet needs to move a long distance in the forming pipe to form a gauze ball, and the forming pipe is long and the forming efficiency is low. SUMMARY

[0003] The purpose of the application is to solve the above technical defects of the existing gauze ball machine, and provide a new medical gauze ball production device, which adds a special component for limiting and guiding the folding position of the gauze sheet between the pushing device and the gauze ball forming device, which can realize faster forming of gauze balls in a shorter forming pipe, and can effectively improve the production efficiency of gauze balls.

[0004] The above technical purpose of the application is realized by the following technical scheme:

[0005] The utility model provides a medical gauze ball production device, including the rubber ring cutting device, rubber ring transfer device, rubber ring handover device, pusher and gauze ball forming device of sequential arrangement, is provided with the conveying belt that can vertical transportation gauze piece between rubber ring handover device and gauze ball forming device, the middle part of conveying belt is provided with the space of the related components of rubber ring handover device and gauze ball forming device passes through, its characterized in that: gauze ball forming device includes outer tube, the inner hole of outer tube axial sliding is arranged with core pipe, the annular gap between outer tube and core pipe import end is arranged with the forming pipe in the axial direction, the outer end surface of the pusher end of pusher is provided with the axial counterbore corresponding with the outer end of core pipe, the hole diameter of axial counterbore is greater than the outer diameter of core pipe import end, and the outer diameter of pusher end is smaller than the hole diameter of forming pipe import end.

[0006] By adopting the above technical scheme, a medical gauze ball production device is provided, which is provided with an axial counterbore corresponding to the import end of the core pipe at the pusher end of the pusher. During the gauze ball forming process, the axial counterbore is sleeved on the end portion of the core pipe, and the outer wall of the axial counterbore can effectively support the to-be-folded position of the rubber ring and the gauze block. With the axial movement of the pusher, the rotation of the rubber ring can be effectively realized, thereby effectively ensuring that the gauze is rapidly and uniformly wound on the rubber ring, and the forming of the gauze ball can be effectively accelerated.

[0007] The present application further provides that the inner hole of the forming pipe gradually increases in diameter from the import end to the export end.

[0008] By optimizing the diameter of the inner hole of the forming pipe, the gauze roll gradually increasing in diameter on the outer side wall of the axial counterbore can be smoothly moved in the axial direction under the condition of ensuring sufficient friction, and the smooth forming of the gauze ball can be effectively ensured.

[0009] The present application further provides that a return spring allowing the forming pipe to rebound towards the import end is arranged between the inner end face of the forming pipe and the axial limiting component of the inner hole wall of the outer tube, and the inner hole wall of the forming pipe is provided with a discharging annular push table facing the export end. The outer circumferential surface of the pusher is axially slidably arranged with a discharging outer sleeve, and the pusher end of the discharging outer sleeve corresponds to the import end of the forming pipe.

[0010] The present application further provides that a discharging core cylinder is axially slidably arranged in the inner hole of the pusher, and the discharging core cylinder and the discharging outer sleeve are synchronously axially moved. The distance between the pusher end of the discharging core cylinder and the pusher end of the discharging outer sleeve is equal to the distance between the pusher end of the discharging core cylinder and the pusher end of the pusher before being pushed.

[0011] By adopting the technical scheme, the forming pipe is designed as an axial sliding type, and a corresponding unloading outer sleeve is sleeved outside the pushing rod, when the gauze piece winding is finished, the gauze roll reaches the right side of the unloading annular push table, at this time, the unloading outer sleeve pushes the forming pipe, and the unloading of the gauze roll can be realized by the right pushing of the unloading annular push table; at the same time, the unloading core barrel is further arranged inside the pushing rod, and the unloading core barrel and the unloading outer sleeve push the gauze roll from the inside and the outside respectively, so that the unloading of the gauze roll can be completed without deformation, and the gauze roll can be accurately ensured to enter the core pipe.

[0012] Further provided by the application is that the inner and outer edges of the mouth of the axial counterbore are chamfered.

[0013] By adopting the technical scheme, the pushing end of the pushing rod is chamfered, so that the pushing end of the pushing rod can be effectively prevented from scratching the gauze during the pushing process, and the unloading pushing can be effectively ensured to be smooth.

[0014] Further provided by the application is that the inner edge of the inner hole of the inlet end of the forming pipe is chamfered, and the inner hole wall of the forming pipe is axially and equidistantly provided with a plurality of annular convex edges or grooves for increasing friction.

[0015] By adopting the technical scheme, the inner edge of the inner hole of the inlet end of the forming pipe is chamfered, so that the convenience of the gauze entering the forming pipe is improved. The annular convex edges or grooves arranged in the forming hole can effectively increase the friction coefficient of the inner wall of the forming hole, and further ensure the rapid winding of the gauze during the pushing process.

[0016] Further provided by the application is that the other end of the unloading core barrel is connected with a high-pressure gas source through a pipeline with a shut-off valve.

[0017] By adopting the technical scheme, the high-pressure gas source is connected with the unloading core barrel, the high-pressure gas source can effectively blow out the gauze ball in the core pipe, and the gauze ball in the forming pipe can be timely removed to avoid the accumulation of the gauze ball in the forming pipe.

[0018] Further provided by the application is that the side, away from the gauze ball forming device, of the conveying belt is provided with a supporting ring, and the supporting ring is coaxial with the core pipe of the gauze ball forming device.

[0019] By adopting the technical scheme, the supporting ring can effectively ensure that the gauze piece can be accurately protruded to be sleeved with the rubber ring.

[0020] Further provided by the application is that the rubber ring transfer device comprises a rotary motor and a transfer swing arm arranged on the rotary shaft of the rotary motor, and the outer end of the transfer swing arm is provided with a sleeving piece for the rubber ring.

[0021] The gauze ball forming device is arranged on the horizontal moving device, and the horizontal moving device can move the gauze ball forming device reciprocally between the rubber ring transfer device and the pushing device.

[0022] By adopting the technical scheme, the rubber ring transfer device is designed into a single-arm type, the gauze ball forming device is changed into a horizontal moving type, and the transfer device and the pushing device are changed into fixed types. This series of designs does not reduce the production efficiency of the gauze ball, and meanwhile, in use, only the gauze ball forming device needs to be reciprocally horizontally moved, and the rubber ring transfer device and the pushing device do not need to be reciprocally horizontally moved, so that the failure rate of the whole device is effectively reduced, the manufacturing and maintenance costs are reduced, and the energy consumption is reduced.

[0023] The main beneficial effects of the present application are as follows:

[0024] 1. The gauze ball production device is provided with an axial counterbore corresponding to the inlet end of the core pipe at the pushing end of the pushing rod. During the gauze ball forming process, the axial counterbore is sleeved on the end of the core pipe, and the outer wall of the axial counterbore can effectively support the to-be-folded position of the rubber ring and the gauze block. With the axial movement of the pushing rod, the rotation of the rubber ring can be effectively realized, and in turn, the rapid and uniform winding of the gauze on the rubber ring can be effectively ensured, and the gauze ball forming can be effectively accelerated.

[0025] 2. The forming pipe is designed into an axial sliding type, and a corresponding discharging outer sleeve is sleeved outside the pushing rod. When the gauze sheet winding is completed, the gauze roll reaches the right side of the discharging annular pushing table. At this time, the discharging outer sleeve pushes the forming pipe, so that the discharging of the gauze roll can be realized through the right pushing of the discharging annular pushing table. At the same time, a discharging core cylinder is arranged inside the pushing rod. The discharging core cylinder and the discharging outer sleeve respectively push the gauze roll from the inside and the outside, so that the discharging of the gauze roll can be completed without deformation, and the accurate entry of the gauze roll into the core pipe can be effectively ensured.

[0026] 3. The rubber ring transfer device is designed into a single-arm type, the gauze ball forming device is changed into a horizontal moving type, and the transfer device and the pushing device are changed into fixed types. This series of designs does not reduce the production efficiency of the gauze ball, and meanwhile, in use, only the gauze ball forming device needs to be reciprocally horizontally moved, and the rubber ring transfer device and the pushing device do not need to be reciprocally horizontally moved, so that the failure rate of the whole device is effectively reduced, the manufacturing and maintenance costs are reduced, and the energy consumption is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the following embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort.

[0028] Figure 1 is the structural schematic diagram of the whole application;

[0029] Figure 2 is the structural schematic diagram of the application before the gauze sheet is extruded by the forming device;

[0030] Figure 3 is the structural schematic diagram of the application when the gauze sheet is extruded by the forming device and the middle part of the gauze sheet is protruded;

[0031] Figure 4 is the structural schematic diagram of the application before the gauze sheet with the rubber ring 8 is pushed into the forming device by the pushing device;

[0032] Figure 5 is the structural schematic diagram of the application when the pushing end of the pushing device is inserted into the forming device.

[0033] In the figure, 1, rubber ring cutting device; 2, rubber ring transfer device; 21, rotating motor; 22, transfer swing arm; 23, sleeving part; 3, rubber ring transfer device; 4, pushing device; 41, pushing rod; 411, axial counterbore; 412, side opening; 42, blanking core barrel; 43, blanking outer sleeve; 44, first pushing cylinder; 45, second pushing cylinder; 46, first support; 47, second support; 48, bottom plate; 5, forming device; 51, outer tube; 52, forming tube; 521, blanking annular pushing table; 53, core tube; 54, reset spring; 55, third pushing cylinder; 56, blanking tube; 57, support; 61, conveying belt; 62, gauze sheet; 7, supporting ring; 8, rubber ring; 9, transverse moving device. DETAILED DESCRIPTION

[0034] The technical solutions of the present application will be described clearly and completely below in combination with specific embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. EMBODIMENT

[0035] As Figures 1 to 5As shown, a medical gauze ball production device, comprising sequentially arranged rubber ring cutting device 1, rubber ring transfer device 2, rubber ring transfer device 3, pushing device 4 and gauze ball forming device 5, rubber ring transfer device 3 and gauze ball forming device 5 are provided with conveying belt 61 which can vertically transport gauze sheet 62, the middle part of conveying belt 61 is provided with a space through which the related parts of rubber ring transfer device 3 and gauze ball forming device 5 pass, gauze ball forming device 5 comprises outer tube 51 fixed on support 57, inner hole of outer tube 51 axially slidingly arranges core tube 53, annular gap between outer tube 51 and inlet end of core tube 53 axially arranges forming tube 52, inner hole of forming tube 52 gradually increases in diameter from inlet end to outlet end. The outer end surface of the pushing end of the pushing rod 41 of the pushing device 4 is provided with an axial counterbore 411 corresponding to the outer end of the core tube 53, the diameter of the axial counterbore 411 is greater than the outer diameter of the inlet end of the core tube 53, the outer diameter of the pushing end of the pushing rod 41 is smaller than the diameter of the inlet end of the forming tube 52, the axial movement of the core tube 53 and the pushing rod 41 is carried out by two independent driving devices respectively.

[0036] Between the inner end surface of the forming tube 52 and the axial limiting part of the inner hole wall of the outer tube 51, a return spring 54 which can allow the forming tube 52 to rebound towards the inlet end is arranged; the inner hole wall of the forming tube 52 is provided with a discharging annular push table 521 towards the outlet end; the circumferential surface of the outer surface of the pushing rod 41 axially slidingly arranges a discharging outer sleeve 43, the axial movement of the discharging outer sleeve 43 is carried out by an independent driving device, the pushing end of the discharging outer sleeve 43 corresponds to the inlet end of the forming tube 52. The edge of the inner hole of the inlet end of the forming tube 52 is chamfered, the inner hole wall of the forming tube 52 is axially equidistantly provided with a plurality of annular convex ribs or grooves for increasing friction.

[0037] The inner hole of the pushing rod 41 axially slidingly arranges a discharging core cylinder 42, the discharging core cylinder 42 and the discharging outer sleeve 43 are synchronously axially driven by the same driving device, the distance between the pushing end of the discharging core cylinder 42 and the pushing end of the discharging outer sleeve 43 is equal to the distance between the pushing end of the discharging core cylinder 42 and the pushing end of the pushing rod 41 before pushing. The inner and outer edges of the mouth of the axial counterbore 411 of the pushing end of the pushing rod 41 are chamfered. The other end of the discharging core cylinder 42 is connected with a high-pressure gas source through a pipeline with a shut-off valve. The pushing rod 41 is fixed on the bottom plate 48 through the second support 47, the bottom plate 48 is slidingly arranged on the rack through the first pushing cylinder 44. The discharging core cylinder 42 and the discharging outer sleeve 43 are fixedly connected through the strip-shaped side opening 412 on the pushing rod 41, the discharging core cylinder 42 and the discharging outer sleeve 43 are synchronously driven by the second pushing cylinder 45 fixed on the bottom plate 48.

[0038] The side of the conveying belt 61 away from the gauze ball forming device 5 is provided with a support ring 7, the support ring 7 is coaxial with the core tube 53 of the gauze ball forming device 5.

[0039] The rubber ring transfer device 2 comprises a rotary motor 21 and a transfer swing arm 22 arranged on the rotary shaft of the rotary motor 21, and the outer end of the transfer swing arm 22 is provided with a sleeve joint 23 for the rubber ring. The gauze ball forming device 5 is arranged on the horizontal moving device 9, and the horizontal moving device 9 can move the gauze ball forming device 5 reciprocally between the rubber ring transfer device 3 and the pushing device 4.

[0040] Principle of use:

[0041] With reference to Figures 1 to 5, the rubber ring cutting device 1 cuts the rubber tube into rubber rings 8, the rubber ring transfer device 2 transfers the rubber rings 8 at the rubber ring cutting device 1 to the rubber ring transfer device 3, when the transfer swing arm 22 of the rubber ring transfer device 2 returns to the rubber ring cutting device 1 to transfer the next rubber ring 8, the gauze ball forming device 5 moves to the position of the rubber ring transfer device 3 through the horizontal moving device 9 (at this time, the conveyor belt 61 conveys a gauze piece 62), the third pushing cylinder 55 of the gauze ball forming device 5 extends, the core tube 53 moves left, pushes the middle part of the gauze piece 62 to the inner hole of the supporting ring 7, and makes the middle part of the gauze piece 62 protrude, when the middle part of the gauze piece 62 protrudes to the appropriate position, the rubber ring transfer device 3 sleeves the rubber ring 8 on the protruding part of the gauze piece 62 (at this time, the protruding part of the gauze piece 62 is still sleeved on the left end of the core tube 53), the third pushing cylinder 55 controls the core tube 53 to retreat right, makes the end part of the gauze piece 6 retreat to the right side of the conveyor belt 61 as a whole, then the horizontal moving device 9 moves the gauze ball forming device 5 to the position corresponding to the pushing device 4, the first pushing cylinder 44 of the pushing device 4 pushes the pushing rod 41 right, the axial hole 411 of the pushing end of the pushing rod 41 is first sleeved on the protruding part of the gauze piece 62, then the first pushing cylinder 44 continues to push the pushing rod 41 right, at the same time, the third pushing cylinder 55 also drives the core tube 55 to move right (the moving speed of the core tube 55 right is greater than the moving speed of the pushing rod 41 right), in the process, the edge of the gauze piece 62 is folded and closely contacted with the rubber ring 8 sleeved on the protruding part of the gauze piece 62 in the radial direction, under the axial pushing action of the forming tube 52 and the pushing rod 41, the rubber ring 8 rotates, and the gauze piece 62 is gradually wound on the rubber ring 8, after the gauze piece 62 moves to the discharging annular pushing table 521, the winding of the gauze piece 62 is completed to form a gauze roll (at this time, the compressed rubber ring 8 expands and becomes larger, so that the outer edge size of the gauze roll is greater than the edge of the discharging annular pushing table 521, the left end of the core tube 53 completely moves out of the axial hole 411 and forms a certain space with the end part of the pushing rod 41), then the second pushing cylinder 45 synchronously pushes the pushing rod 41 and the discharging core tube 42 right, when the discharging core tube 42 moves out of the axial hole 422 to push the middle part of the gauze roll, the discharging outer sleeve 43 pushes the forming tube 52 right to synchronously push the outer circle of the gauze roll right, through the right movement of the discharging core tube 42 and the discharging outer sleeve 43, the middle part and the outer edge of the gauze roll are pushed right, which not only ensures that the gauze roll is discharged conveniently and quickly, but also effectively ensures that the gauze roll accurately enters the core tube 53, when the gauze roll enters the core tube 53, the gauze roll finally forms a gauze ball under the action of the automatic contraction of the rubber ring 8 and the inner wall of the core tube 53, the discharging core tube 42 provides high-pressure gas to accelerate the movement of the gauze ball in the core tube 53, so as to ensure the smooth movement and discharging of the gauze ball in the core tube 53, after the gauze ball is formed and the discharging is completed, the pushing part of the pushing device 4 retracts,The gauze ball forming device 5 is transferred to the rubber ring transfer device 3 by the horizontal transfer device 9 to process the next gauze sheet 62.

Claims

1. A medical gauze ball production device, comprising a rubber ring cutting device (1), a rubber ring transfer device (2), a rubber ring transfer device (3), a pushing device (4) and a gauze ball forming device (5) arranged in sequence, a conveying belt (61) capable of vertically transporting gauze pieces (62) is arranged between the rubber ring transfer device (3) and the gauze ball forming device (5), the middle part of the conveying belt (61) is provided with a space through which related parts of the rubber ring transfer device (3) and the gauze ball forming device (5) pass, characterized in that: The gauze ball forming device (5) comprises an outer tube (51), an inner hole of the outer tube (51) axially slidingly arranging a core tube (53), an annular gap between the outer tube (51) and the inlet end of the core tube (53) axially arranging a forming tube (52), an outer end surface of the pushing rod (41) of the pushing device (4) being provided with an axial counterbore (411) corresponding to the outer end of the core tube (53), a hole diameter of the axial counterbore (411) being greater than an outer diameter of the inlet end of the core tube (53), and an outer diameter of the pushing rod (41) being smaller than a hole diameter of the inlet end of the forming tube (52); the inner hole of the forming tube (52) gradually increases from the inlet end to the outlet end; a reset spring (54) allowing the forming tube (52) to rebound towards the inlet end is arranged between the inner end surface of the forming tube (52) and the axial limiting part of the inner hole wall of the outer tube (51); the inner hole wall of the forming tube (52) is provided with a discharging annular push table (521) towards the outlet end; the outer surface of the pushing rod (41) is axially slidingly arranged with a discharging outer sleeve (43), and the discharging end of the discharging outer sleeve (43) corresponds to the inlet end of the forming tube (52); the inner hole of the pushing rod (41) is axially slidingly arranged with a discharging core sleeve (42), the discharging core sleeve (42) and the discharging outer sleeve (43) synchronously axially move, and a distance between the discharging end of the discharging core sleeve (42) and the discharging end of the discharging outer sleeve (43) is equal to a distance between the discharging end of the discharging core sleeve (42) and the discharging end of the pushing rod (41) before being pushed. ​ 2. The medical gauze ball production device according to claim 1, characterized in that: The inner and outer edges of the axial counterbore (411) are chamfered.

3. The medical gauze ball production device according to claim 2, characterized in that: The edge of the inner hole of the inlet end of the forming tube (52) is chamfered, and the inner hole wall of the forming tube (52) is axially equidistantly provided with a plurality of annular convex edges or grooves for increasing friction.

4. The medical gauze ball production device according to claim 1, characterized in that: The other end of the discharging core sleeve (42) is connected with a high-pressure gas source through a pipeline with a shut-off valve.

5. The medical gauze ball production device according to claim 1, characterized in that: The side of the conveying belt (61) away from the gauze ball forming device (5) is provided with a supporting ring (7), and the supporting ring (7) is coaxial with the core tube (53) of the gauze ball forming device (5).

6. The medical gauze ball production device according to claim 1, characterized in that: The rubber ring transfer device (2) comprises a rotary motor (21) and a transfer swing arm (22) arranged on the rotating shaft of the rotary motor (21), and the outer end of the transfer swing arm (22) is provided with a sleeve joint (23) for the rubber ring.

7. The medical gauze ball production device according to claim 6, characterized in that: The gauze ball forming device (5) is arranged on the horizontal moving device (9), and the horizontal moving device (9) can reciprocally move the gauze ball forming device (5) between the rubber ring transfer device (3) and the pushing device (4).

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