CN221314057U - Cap assembling tool for negative pressure drainage ball - Google Patents

Abstract

The utility model discloses a cap assembly tool for a negative pressure drainage ball, which relates to the technical field of negative pressure drainage ball assembly and comprises a supporting component, a driving component, an adjusting component and a crimping component; the crimping assembly comprises a first crimping piece and a second crimping piece which are coaxially arranged; the first crimping piece and the second crimping piece are parallel to the length direction of the screw rod; the first crimping piece is connected with an output shaft of the linear driver, and the second crimping piece is connected with the push plate. The utility model has simple structure and reliable function, the first crimping piece is pushed by the linear driver and matched with the second crimping piece to realize cap assembly of the negative pressure drainage ball, the automation degree of enterprise production is improved, the efficiency is high, the convenience is high, the standard is uniform, the manual intervention is reduced, and the probability of biological pollution is reduced.

Description

Cap assembling tool for negative pressure drainage ball

Technical Field

The utility model relates to the technical field of negative pressure drainage ball assembly, in particular to a cap assembly tool for a negative pressure drainage ball.

Background

The negative pressure drainage ball is a medical appliance and generally comprises an elastic hollow sphere and a rubber tube communicated with the hollow sphere, and is used for sucking redundant liquid or gas in a body after an operation. The hollow sphere is communicated with the rubber tube through the top cover, and the connecting position of the hollow sphere and the top cover is covered by a cap in a shielding manner to protect the connecting joint from being invalid by external force.

Because the hollow ball body is softer, the supporting force of the hollow ball body is weaker and is difficult to fix, most of traditional enterprises still adopt the operation mode of manually assembling the cap, but the problem that the hollow ball body is softer and is difficult to grasp and fix still needs to be faced in the manual assembly process, finally the production efficiency is low, the assembly standard is difficult to unify, and the contact workers are more and easy to cause biological pollution.

Disclosure of Invention

In order to solve the problems that the assembly degree of the negative pressure drainage ball cap cover is low, the production efficiency is low, the assembly standard is difficult to unify, and biological pollution is easily caused by more contact workers in the prior art, the utility model provides a cap assembly tool for a negative pressure drainage ball.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the cap assembly tool for the negative pressure drainage ball comprises a supporting component, a driving component, an adjusting component and a crimping component, wherein the supporting component plays a structural supporting function, the driving component is used for providing assembly thrust, the adjusting component is used for adapting to the negative pressure drainage balls with different lengths, and the crimping component is assembled through shrinkage; the support assembly comprises a base, a first vertical plate and a second vertical plate which are fixedly arranged on the base; the driving assembly comprises a linear driver, the first vertical plate is provided with a through hole for accommodating an output shaft of the linear driver, and the output shaft of the linear driver is arranged in the through hole of the first vertical plate and stretches along the axial direction; the adjusting assembly comprises a screw rod, the screw rod is connected with the second vertical plate through threads, and one end, close to the first vertical plate, of the screw rod is rotationally connected with the push plate; the crimping assembly comprises a first crimping piece and a second crimping piece which are coaxially arranged; the first crimping piece and the second crimping piece are parallel to the length direction of the screw rod; the first crimping piece is connected with an output shaft of the linear driver, and the second crimping piece is connected with the push plate.

As a further optimization scheme of the utility model, the end face of the first crimping piece, which is close to the second crimping piece, is provided with a first accommodating cavity; the second pressure welding piece is close to the end face of the first pressure welding piece and is provided with a second containing cavity.

As a further optimization scheme of the utility model, the opening position of the second containing cavity is provided with a round angle or a chamfer angle; the outer edge of the second crimping piece, which is close to the end face of the first crimping piece, is provided with a fillet or chamfer.

As a further optimization scheme of the utility model, the adjusting component further comprises a guide post which is arranged in parallel with the lead screw, and one end of the guide post is fixedly connected with the second vertical plate; the push plate is provided with a through hole matched with the guide post, and the other end of the guide post is arranged in the through hole of the push plate and is in sliding connection.

As a further optimization scheme of the utility model, the adjusting component further comprises a sliding rail and a sliding block, wherein the sliding rail is arranged on the upper surface of the base and is fixedly connected with the upper surface of the base, and the length direction of the sliding rail is parallel to the length direction of the screw rod; the sliding block is arranged on the sliding rail and can slide along the length direction of the sliding rail; the sliding block is fixedly connected with the lower part of the push plate.

As a further optimization scheme of the utility model, the lead screw is connected with the push plate in a clamping way through an annular way. The lead screw is far away from the one end of first riser is equipped with cylindrical end, the radial of end is equipped with the cross through-hole.

As a further optimization scheme of the utility model, the linear driver is fixedly connected with the outer side surface of the first vertical plate.

As a further optimization scheme of the utility model, the driving assembly further comprises a protective cover with an n-shaped cross section, and the protective cover is arranged at the outer edge position of the upper part of the first vertical plate and fixedly connected with the first vertical plate. The linear driver is arranged in the upper projection range of the protective cover.

In summary, the utility model has the following advantages: a cap assembly fixture for a negative pressure drainage ball comprises a supporting component, a driving component, an adjusting component and a crimping component; the crimping assembly comprises a first crimping piece and a second crimping piece which are coaxially arranged; the first crimping piece and the second crimping piece are parallel to the length direction of the screw rod; the first crimping piece is connected with an output shaft of the linear driver, and the second crimping piece is connected with the push plate. The utility model has simple structure and reliable function, the first crimping piece is pushed by the linear driver and matched with the second crimping piece to realize cap assembly of the negative pressure drainage ball, the automation degree of enterprise production is improved, the efficiency is high, the convenience is high, the standard is uniform, the manual intervention is reduced, and the probability of biological pollution is reduced.

Drawings

The application is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the support assembly and the drive assembly;

FIG. 3 is a schematic view of an adjustment assembly;

FIG. 4 is a schematic view of an elevation sectional structure of the present utility model;

FIG. 5 is a schematic diagram of a crimp assembly;

FIG. 6 is a schematic view of the structure of the negative pressure drainage ball;

FIG. 7 is a schematic view of the cap and cap in an assembled state (one);

FIG. 8 is a schematic view of the cap and cap assembled (second) configuration;

FIG. 9 is a schematic illustration of a first crimp travel versus cap assembled state;

Fig. 10 is a schematic view of a protective cover structure.

Reference numerals illustrate:

In the figure, 0, negative pressure drainage ball; 01. a top cover; 011. an outer protrusion; 02. a cap; 021. an inner protrusion; 022. an expansion section; 03. a hollow sphere; 1. a support assembly; 11. a base; 12. a first vertical plate; 13. a second vertical plate; 2. a drive assembly; 21. a linear driver; 22. a protective cover; 3. an adjustment assembly; 31. a screw rod; 32. a push plate; 33. a guide post; 34. a guide rail; 35. a slide block; 4. a crimping assembly; 41. a first crimp member; 411. a first cavity; 42. a second crimp member; 421. and a second cavity.

Detailed Description

According to the above structural features of the present application, the embodiments of the present application will be further described:

Referring to fig. 1, a cap assembly tool for a negative pressure drainage ball 0 includes a support assembly 1 serving as a structural support, a driving assembly 2 for providing an assembly thrust, an adjusting assembly 3 for adapting to negative pressure drainage balls 0 of different lengths, and a crimping assembly 4 for realizing assembly by shrinkage.

Referring to fig. 2, the support assembly 1 includes a base 11, and first and second risers 12 and 13 fixedly installed on the base 11, the first and second risers 12 and 13 being respectively located at both ends of the base 11. The first vertical plate 12 is L-shaped, and the first vertical plate 12 is fixedly connected with the upper surface of the base 11 through a longitudinally arranged bolt. The second vertical plate 13 is fixedly connected with the side surface of the base 11 through a transverse bolt.

Referring to fig. 3, the driving assembly 2 includes a linear actuator 21, and the first riser 12 is provided with a through hole for receiving an output shaft of the linear actuator 21, and the output shaft of the linear actuator 21 is disposed in the through hole of the first riser 12 and expands and contracts in the axial direction. The linear actuator 21 is, for example, an electric push rod, a pneumatic push rod, a hydraulic push rod, or a combination thereof (e.g., an electro-hydraulic push rod).

Referring to fig. 3 to 4, the adjusting assembly 3 includes a screw rod 31, the screw rod 31 is connected with the second vertical plate 13 through threads, the second vertical plate 13 is provided with a rectangular through hole, a screw rod 31 sleeve is fixedly mounted in the rectangular through hole through a bolt, the screw rod 31 sleeve is provided with a threaded hole, and the screw rod 31 is arranged in the threaded hole and connected through threads. One end of the screw 31, which is close to the first vertical plate 12, is rotatably connected with the push plate 32. The lead screw 31 is sleeved with copper-containing alloy material to ensure wear resistance.

Referring to fig. 4 to 5, the crimp assembly 4 includes a first crimp 41 and a second crimp 42 coaxially disposed; the first crimp 41 and the second crimp 42 are both parallel to the longitudinal direction of the lead screw 31; the first crimp 41 is fixedly connected to the output shaft of the linear actuator 21 by a bolt, and the second crimp 42 is fixedly connected to the push plate 32 by a bolt.

Referring to fig. 5, the end face of the first crimp member 41 adjacent to the second crimp member 42 is provided with a first accommodating chamber 411; the end surface of the second press-connection member 42, which is close to the first press-connection member 41, is provided with a second accommodating chamber 421. The first cavity 411 is used for being clamped with the cap 02 of the negative pressure drainage ball 0, and the second cavity 421 is used for being abutted with the tail of the hollow sphere 03 of the negative pressure drainage ball 0. The opening position of the second accommodating cavity 421 is provided with a fillet or chamfer, and the outer edge of the second press-connecting piece 42, which is close to the end face of the first press-connecting piece 41, is provided with a fillet or chamfer for avoiding the second press-connecting piece 42 from generating a sharp corner and avoiding scratching the hollow sphere 03.

Referring to fig. 3 to 4, the adjusting assembly 3 further includes a guide post 33 disposed parallel to the screw rod 31, and one end of the guide post 33 is fixedly connected with the second vertical plate 13 through a bolt; the push plate 32 is provided with a through hole matched with the guide post 33, and the other end of the guide post 33 is arranged in the through hole of the push plate 32 and is in sliding connection. The guide post 33 is used for performing an auxiliary guiding function when the push plate 32 moves, and further improves the coaxiality of the first crimping piece 41 and the second crimping piece 42. The first crimp 41 and the second crimp 42 are each cylindrical structures of nylon material.

Referring to fig. 3 to 4, the adjusting assembly 3 further includes a slide rail and a slider 35, the slide rail is disposed on the upper surface of the base 11 and fixedly connected by a bolt, and the length direction of the slide rail is parallel to the length direction of the screw 31; the slide block 35 is arranged on the slide rail and can slide along the length direction of the slide rail; the slider 35 is fixedly connected with the lower portion of the push plate 32 by bolts.

Referring to fig. 4 to 5, the lead screw 31 is engaged with the push plate 32 by an annular engagement. The push plate 32 is provided with a through hole for accommodating the lead screw 31, one end of the lead screw 31 close to the push plate 32 is provided with a non-threaded straight cylindrical surface, and the straight cylindrical surface is arranged in the through hole of the push plate 32 and can rotate. The straight cylindrical surface is provided with an annular groove, an annular bulge is arranged in the through hole of the push plate 32, annular clamping is realized by arranging the annular bulge in the annular groove, and the annular clamping structure is used for transmitting pushing force or pulling force to the push plate 32 by the screw rod 31 and simultaneously guaranteeing the rotation requirement of the screw rod 31. The annular bulge adopts integrated into one piece, and the annular groove adopts split type, and lead screw 31 for the two sections lead screw 31 of connection can be dismantled through the bolt to annular groove position department for example, realizes the dismouting to lead screw 31 and push pedal 32 through the dismouting bolt.

Referring to fig. 4 to 5, the end of the screw rod 31 remote from the first riser 12 is provided with a cylindrical end, and the radial direction of the end is provided with a cross-shaped through hole. The worker inserts the rigid shaft (e.g., metal rod) into one of the cross-shaped through holes to form a labor-saving lever, then rotates the rigid shaft to adjust the extending length of the screw rod 31, and further adjusts the position of the push plate 32, i.e., the distance between the first press-connection member 41 and the second press-connection member 42, so as to adapt to the assembling operation of the negative pressure drainage balls 0 with different lengths.

Referring to fig. 6, a schematic structural diagram of a negative pressure drainage ball 0 is shown, and the negative pressure drainage ball 0 includes a top cover 01, a cap 02 and a hollow sphere 03. The cover 01 is connected to the hollow sphere 03 in a sealing manner, for example by adhesive or hot-melt. The top cover 01 is in a hollow cylinder shape, and an annular outer bulge 011 is arranged on the periphery of the top cover 01; the cap 02 is annular, an annular inner protrusion 021 is arranged on the inner wall of the cap 02, a horn-shaped expansion part 022 is arranged at one end, close to the hollow sphere 03, of the cap 02, and the inner surface of the expansion part 022 is matched with the outer surface of the hollow sphere 03. The outer edge of the end face of the cap 02, which is far away from the hollow sphere 03, is provided with a fillet or chamfer, which plays a guiding role when the cap 02 is assembled. The inner protrusions 021 and the outer protrusions 011 are elastic protrusions, for example, the top cover 01 and the cap 02 are made of elastic plastic materials such as PP and PC.

Referring to fig. 7 to 9, fig. 9 is a schematic view showing the relationship between the stroke of the first crimp 41 and the assembled state of the cap 02. The front working procedure is completed to realize the hot melting connection of the top cover 01 and the hollow sphere 03, then a control system (such as a PLC controller or an external computer) controls the linear driver 21 to retract an output shaft to a left dead center through a signal wire, a worker manually or mechanically presses an inner protrusion 021 of the top cover 02 at a round angle/chamfer angle position of the top cover 01, then the pressed-together top cover 02 and the top cover 01 (and the hollow sphere 03 in an expanded state) are transversely placed between the first press-connection piece 41 and the second press-connection piece 42, the first containing cavity 411 is ensured to be sleeved on the outer surface of the top cover 02, the end face of the first press-connection piece 41 is abutted with the root part of the expansion part 022 (as shown in fig. 7), and the tail part of the hollow sphere 03 is abutted with the round angle/chamfer angle on the second press-connection piece 42; then the control system controls the linear driver 21 to extend the output shaft to the stroke L1 of the first press-connection piece 41, at the moment, the hollow sphere 03 is pressed, contracted and folded, and the second press-connection piece 42 is abutted with the tail end of the top cover 01; then the control system controls the linear driver 21 to extend the output shaft to the first press-connection piece 41 for L2, the outer bulge 011 is contracted by the pressure of the inner bulge 021 in the process, and after the inner bulge 021 moves to the right side of the outer bulge 011, the outer bulge 011 rebounds rapidly to complete the clamping assembly (as shown in 8); finally, the control system controls the linear driver 21 to retract the output shaft to the left dead center, and a worker manually or mechanically removes the assembled negative pressure drainage ball 0 from the utility model for subsequent packaging and storage operation. The utility model has simple structure and reliable function, the first crimping piece 41 is pushed by the linear driver 21 and matched with the second crimping piece 42 to realize the assembly of the cap 02 of the negative pressure drainage ball 0, the automation degree of enterprise production is improved, the efficiency is high, the convenience is high, the standard is uniform, the manual intervention is reduced, and the probability of biological pollution is reduced.

Referring to fig. 10, the linear actuator 21 is fixedly coupled to the outer side surface of the first riser 12 by bolts. The drive assembly 2 further includes a protective cover 22 having an n-shaped cross section, and the protective cover 22 is disposed at an outer edge position of the upper portion of the first vertical plate 12 and fixedly connected thereto. The linear actuator 21 is disposed within an upper projection range of the protective cover 22. The protection cover 22 is used for blocking harmful substances such as dust and harmful energy such as accidental collision, and protecting the linear driver 21, so that the service life of the utility model is prolonged.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected via an intermediate medium, or connected in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In view of the foregoing, it will be appreciated by those skilled in the art that, based on the teachings herein, changes, modifications, substitutions and alterations can be made without departing from the principles and spirit of this utility model.

Claims (10)

1. A cap equipment frock for negative pressure drainage ball, its characterized in that: the device comprises a supporting component (1) which plays a structural supporting function, a driving component (2) which is used for providing assembling thrust, an adjusting component (3) which is used for adapting to negative pressure drainage balls (0) with different lengths, and a crimping component (4) which is assembled by shrinkage;

The support assembly (1) comprises a base (11), and a first vertical plate (12) and a second vertical plate (13) which are fixedly arranged on the base (11);

The driving assembly (2) comprises a linear driver (21), the first vertical plate (12) is provided with a through hole for accommodating an output shaft of the linear driver (21), and the output shaft of the linear driver (21) is arranged in the through hole of the first vertical plate (12) and stretches along the axial direction;

The adjusting assembly (3) comprises a screw rod (31), the screw rod (31) is in threaded connection with the second vertical plate (13), and one end, close to the first vertical plate (12), of the screw rod (31) is in rotary connection with the push plate (32);

The crimping assembly (4) comprises a first crimping piece (41) and a second crimping piece (42) which are coaxially arranged; the first crimping piece (41) and the second crimping piece (42) are parallel to the length direction of the screw rod (31); the first crimping piece (41) is connected with an output shaft of the linear driver (21), and the second crimping piece (42) is connected with the push plate (32).

2. The cap assembly tooling for the negative pressure drainage ball of claim 1, wherein: the end face, close to the second compression joint piece (42), of the first compression joint piece (41) is provided with a first containing cavity (411); the end face of the second compression joint piece (42) close to the first compression joint piece (41) is provided with a second containing cavity (421).

3. The cap assembly tooling for negative pressure drainage balls of claim 2, wherein: a round corner or a chamfer is arranged at the opening position of the second containing cavity (421); the outer edge of the second crimping member (42) near the end face of the first crimping member (41) is provided with a rounded corner or chamfer.

4. The cap assembly tooling for negative pressure drainage balls of claim 3, wherein: the adjusting component (3) further comprises a guide post (33) which is arranged in parallel with the lead screw (31), and one end of the guide post (33) is fixedly connected with the second vertical plate (13); the push plate (32) is provided with a through hole matched with the guide post (33), and the other end of the guide post (33) is arranged in the through hole of the push plate (32) and is in sliding connection.

5. The cap assembly tooling for the negative pressure drainage ball of claim 4, wherein: the adjusting assembly (3) further comprises a sliding rail and a sliding block (35), the sliding rail is arranged on the upper surface of the base (11) and is fixedly connected with the upper surface of the base, and the length direction of the sliding rail is parallel to the length direction of the screw rod (31); the sliding block (35) is arranged on the sliding rail and can slide along the length direction of the sliding rail; the sliding block (35) is fixedly connected with the lower part of the push plate (32).

6. The cap assembly tooling for the negative pressure drainage ball of claim 1, wherein: the lead screw (31) is connected with the push plate (32) in a clamping mode through an annular mode.

7. The cap assembly tooling for the negative pressure drainage ball of claim 6, wherein: one end of the screw rod (31) far away from the first vertical plate (12) is provided with a cylindrical end head, and the radial direction of the end head is provided with a cross-shaped through hole.

8. The cap assembly tooling for the negative pressure drainage ball according to any one of claims 1 to 7, wherein: the linear driver (21) is fixedly connected with the outer side surface of the first vertical plate (12).

9. The cap assembly tooling for the negative pressure drainage ball of claim 8, wherein: the driving assembly (2) further comprises a protective cover (22) with an n-shaped cross section, and the protective cover (22) is arranged at the outer edge position of the upper part of the first vertical plate (12) and fixedly connected with the first vertical plate.

10. The cap assembly tooling for the negative pressure drainage ball of claim 9, wherein: the linear actuator (21) is disposed within an upper projection range of the protective cover (22).