CN214265435U

CN214265435U - Positioning device for compression spring recovery assembly

Info

Publication number: CN214265435U
Application number: CN202120237000.9U
Authority: CN
Inventors: 张伟鑫
Original assignee: Weihai New Beiyang Technology Service Co Ltd
Current assignee: Weihai New Beiyang Technology Service Co Ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-09-24
Anticipated expiration: 2031-01-27

Abstract

The utility model provides a retrieve pressure spring subassembly positioner relates to printing apparatus technical field, retrieve pressure spring subassembly positioner and include: anchor clamps and extrusion portion, anchor clamps are used for the fixed bearing installation cover, the extrusion portion is located one side of anchor clamps, the extrusion portion includes the first pressure arm and the second pressure arm that the interval set up, the extrusion portion can be followed the orientation or keep away from the direction motion of anchor clamps, so that first pressure arm and second pressure arm crimping respectively lie in the part of the fixed axle both sides of bearing installation cover on the typewriter ribbon retrieves the gear.

Description

Positioning device for compression spring recovery assembly

Technical Field

The utility model belongs to the technical field of the printing apparatus technique and specifically relates to a retrieve pressure spring subassembly positioner is related to.

Background

With the continuous expansion of the use of printing equipment, how to more efficiently ensure the stable operation of the printing equipment and reduce the maintenance cost of the equipment becomes the main requirement of customers.

The printer with the recycling function adopts a recycling compression spring component to achieve the recycling function, as shown in fig. 1, the recycling compression spring component comprises a bearing mounting sleeve 110, a ribbon recycling spring 120, a ribbon recycling friction plate 130, a felt pad 140, a ribbon recycling gear 150 and a retainer ring 160, the bearing mounting sleeve comprises a base and a fixed shaft, and the fixed shaft is perpendicular to the base. The ribbon recovery spring, the ribbon recovery friction plate, the felt pad and the ribbon recovery gear are sequentially sleeved on the fixed shaft from bottom to top, the ribbon recovery spring is compressed, and the retainer ring is clamped on the gap on the side wall of the fixed shaft. However, because the volume of each part of the recovery pressure spring assembly is not large, and the elasticity of the ribbon recovery spring is large, the phenomenon that the retainer ring is not easy to mount or is not mounted in place easily occurs in the process of assembling the recovery pressure spring assembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a retrieve pressure spring subassembly positioner to alleviate the current inconvenient technical problem of retrieving pressure spring subassembly installation.

The embodiment of the utility model provides a pair of retrieve pressure spring subassembly positioner, retrieve pressure spring subassembly positioner includes: anchor clamps and extrusion portion, anchor clamps are used for the fixed bearing installation cover, the extrusion portion is located one side of anchor clamps, the extrusion portion includes the first pressure arm and the second pressure arm that the interval set up, the extrusion portion can be followed the orientation or keep away from the direction motion of anchor clamps, so that first pressure arm and second pressure arm crimping respectively lie in the part of the fixed axle both sides of bearing installation cover on the typewriter ribbon retrieves the gear.

Furthermore, the fixture comprises a boss, a shaft rod perpendicular to the upper surface of the boss is arranged on the top surface of the boss and used for being inserted into a central shaft hole of the fixed shaft, and the boss is used for supporting a base of the bearing installation sleeve.

Furthermore, the extrusion portion further comprises a guide portion connected with the first pressure arm and the second pressure arm respectively, and the positioning device for the recovery pressure spring assembly further comprises a limiting portion acting on the guide portion so that the guide portion can move vertically.

Further, the guide part is rod-shaped, the limiting part comprises a limiting sleeve, the guide part is connected in the limiting sleeve in a sliding mode, and the limiting sleeve can prevent the guide part from rotating.

Further, the upper end of the extrusion part is provided with a lifting part.

Further, the lifting part comprises a lifting rod which is inclined outwards from top to bottom.

Furthermore, a counterweight structure is arranged on the extrusion part.

Furthermore, have on the extrusion portion along the vertical rack that extends, retrieve pressure spring assembly positioner still including the hand wheel that can rotate, have on the hand wheel with rack toothing's fluted disc.

Furthermore, the positioning device for the compression spring recovery assembly comprises a linear driving mechanism, and the movable end of the linear driving mechanism is connected with the first pressure arm and the second pressure arm respectively.

Further, the linear driving mechanism comprises a screw rod motor module or a telescopic cylinder module.

The embodiment of the utility model provides a retrieve pressure spring subassembly positioner includes: anchor clamps and extrusion portion, anchor clamps are used for the fixed bearing installation cover, the extrusion portion is located one side of anchor clamps, the extrusion portion includes the first pressure arm and the second pressure arm that the interval set up, the extrusion portion can be followed the orientation or keep away from the direction motion of anchor clamps, so that first pressure arm and second pressure arm crimping respectively lie in the part of the fixed axle both sides of bearing installation cover on the typewriter ribbon retrieves the gear. When the device is used, the bearing mounting sleeve can be fixed by using a clamp, and then all parts of the recovery pressure spring assembly, such as a color band recovery spring, a color band recovery friction plate, a felt pad and a color band recovery gear, are sequentially sleeved on a fixed shaft of the bearing mounting sleeve; then, the first pressure arm and the second pressure arm are respectively abutted against the upper surface of the ribbon recovery gear, and the first pressure arm and the second pressure arm are arranged at intervals, so that the space between the first pressure arm and the second pressure arm can avoid a fixed shaft of the bearing mounting sleeve; the pressing part is driven downwards, so that the first pressing arm and the second pressing arm act on two sides of the ribbon recovery gear at the same time, the ribbon recovery gear can move downwards smoothly, and the ribbon recovery spring is compressed. When the breach of fixed axle lateral wall exposes, can overlap the retaining ring on the fixed axle, then slide the retaining ring to side to accomplish being connected of retaining ring and fixed axle, utilize foretell device can easily realize retrieving the location installation of each part of pressure spring subassembly, improved assembly efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Figure 1 is a cross-sectional view of a retrieval compression spring assembly;

fig. 2 is a side view of a positioning device for a compression spring recovery assembly according to embodiment 1 of the present invention;

fig. 3 is a front view of a positioning device for a compression spring recovery assembly provided in embodiment 1 of the present invention;

fig. 4 is a schematic partial view of an extrusion piece of a positioning device for a recovery compression spring assembly according to embodiment 1 of the present invention.

Icon: 110-a bearing mounting sleeve; 120-ribbon recovery spring; 130-ribbon recovery friction plate; 140-felt pad; 150-ribbon recovery gear; 160-a retainer ring;

200-a clamp; 210-a boss; 220-shaft rod; 300-an extrusion part; 310-a first press arm; 320-a second press arm; 410-a guide; 420-a limit sleeve; 500-lifting rod.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 2-4, the utility model provides a retrieve pressure spring subassembly positioner includes: the fixture 200 is used for fixing the bearing mounting sleeve 110, and the pressing part 300 can be positioned above the fixture 200.

The pressing portion 300 includes a first pressing arm 310 and a second pressing arm 320 spaced apart from each other in a horizontal direction, and a gap between the first pressing arm 310 and the second pressing arm 320 is used to avoid a fixed axis of the bearing mounting sleeve 110.

The pressing portion 300 can be moved toward or away from the clamp 200 by a manual or power mechanism, so that the first pressing arm 310 and the second pressing arm 320 are respectively pressed against portions of the ribbon recovery gear 150 on both sides of the fixed shaft of the bearing mounting sleeve 110.

When in use, the bearing mounting sleeve 110 can be fixed by the clamp 200, and then all the components of the recovery pressure spring assembly, such as the ribbon recovery spring 120, the ribbon recovery friction plate 130, the felt pad 140 and the ribbon recovery gear 150, are sequentially sleeved on the fixed shaft of the bearing mounting sleeve 110; then, the first pressing arm 310 and the second pressing arm 320 are respectively abutted against the upper surface of the ribbon recovery gear 150, and the first pressing arm 310 and the second pressing arm 320 are arranged at intervals, so that the space between the two can avoid the fixed shaft of the bearing mounting sleeve 110; driving the pressing portion 300 downward may cause the first pressing arm 310 and the second pressing arm 320 to act on both sides of the ribbon recovery gear 150 at the same time, and the ribbon recovery tooth may smoothly move downward and cause the ribbon recovery spring 120 to be compressed. When the notch of the side wall of the fixed shaft is exposed, the retainer ring 160 can be sleeved on the fixed shaft, and then the retainer ring 160 can slide towards the side, so that the connection between the retainer ring 160 and the fixed shaft is completed, the positioning and installation of all parts of the recovery pressure spring assembly can be easily realized by utilizing the device, and the assembly efficiency is improved.

Because the bearing mounting sleeve 110 has a shaft hole penetrating through the upper and lower surfaces thereof in the middle, according to the structure of the bearing mounting sleeve 110, the fixture in this embodiment includes a boss 210, a shaft rod 220 perpendicular to the upper surface of the boss 210 is disposed on the top surface of the boss 210, the shaft rod 220 is adapted to be inserted into the central shaft hole of the fixed shaft, and the boss 210 is adapted to support the base of the bearing mounting sleeve 110.

In order to prevent the first pressure arm 310 and the second pressure arm 320 from deviating from the vertical direction during lifting, the pressing portion 300 further includes a guide portion 410 connected to the first pressure arm 310 and the second pressure arm 320, respectively, and the positioning device for the compressed spring recycling assembly further includes a limiting portion acting on the guide portion 410 to enable the guide portion 410 to move vertically. Specifically, the guide portion 410 is rod-shaped, the limiting portion includes a limiting sleeve 420, and the guide portion 410 is slidably connected in the limiting sleeve 420.

The cross section of the guide part 410 may be rectangular, and correspondingly, the cross section of the inner wall of the position limiting sleeve 420 may also be rectangular, and the position limiting sleeve 420 can prevent the guide part 410 from rotating, so that the orientation of the first pressure arm 310 and the second pressure arm 320 is always unchanged.

In this embodiment, the upper end of the pressing portion 300 has a lifting portion, the lifting portion is located above the position-limiting sleeve 420, and an installer can manually push and pull the lifting portion upwards or downwards, so as to drive the first pressing arm 310 and the second pressing arm 320 to lift.

In order to facilitate the working personnel to drive the extrusion part 300 when sitting on the station, the lifting part comprises a lifting rod 500 which is inclined outwards from top to bottom, so that the outer end of the lifting rod 500 is closer to the working personnel, and the working personnel can push and pull the lifting rod 500 conveniently.

The extrusion part 300 can be provided with a counterweight structure, the gravity of the counterweight structure drives the first pressing arm 310 and the second pressing arm 320 to abut against the ribbon recovery gear 150, and even if the worker does not apply force to the lifting rod 500 any more, the ribbon recovery spring 120 can be completely compressed, so that the two hands of the worker are liberated, and the installation of the check ring 160 is more convenient.

Example 2

The difference from embodiment 1 is that the pressing portion 300 has a vertically extending rack, and the positioning device for the recovery pressure spring assembly further includes a rotatable hand wheel having a toothed disc engaged with the rack, and the rack can be moved up or down by rotating the hand wheel clockwise or counterclockwise, so as to drive the first pressure arm 310 and the second pressure arm 320 to move towards or away from the fixture 200.

Example 3

The difference between the embodiment 1 and the embodiment 2 is that the positioning device for the compression spring recovery assembly comprises a linear driving mechanism, and the movable ends of the linear driving mechanism are respectively connected with the first pressing arm 310 and the second pressing arm 320, so that the first pressing arm 310 and the second pressing arm 320 can automatically move, and the physical strength of workers is saved.

Specifically, linear actuating mechanism can include lead screw motor module or telescopic cylinder module, and wherein, lead screw motor module or telescopic cylinder module are common linear drive module, and its specific structure is no longer repeated.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a retrieve pressure spring subassembly positioner, its characterized in that, retrieve pressure spring subassembly positioner includes: anchor clamps (200) and extrusion portion (300), anchor clamps (200) are used for fixed bearing installation cover (110), extrusion portion (300) are located one side of anchor clamps (200), extrusion portion (300) are including first pressure arm (310) and the second pressure arm (320) that the interval set up, extrusion portion (300) can be followed the orientation or keep away from the direction motion of anchor clamps (200) makes first pressure arm (310) and second pressure arm (320) press the part that lies in the fixed axle both sides of bearing installation cover (110) on typewriter ribbon recovery gear (150) respectively.

2. The positioning device for the recovered pressure spring assembly according to claim 1, wherein the fixture comprises a boss (210), a shaft rod (220) perpendicular to the upper surface of the boss (210) is arranged on the top surface of the boss (210), the shaft rod (220) is used for being inserted into a central shaft hole of a fixed shaft, and the boss (210) is used for supporting a base of the bearing mounting sleeve (110).

3. The recovery compression spring assembly positioning device according to claim 1, wherein the pressing portion (300) further includes guide portions (410) connected to the first pressing arm (310) and the second pressing arm (320), respectively, and a stopper portion acting on the guide portions (410) to move the guide portions (410) in a vertical direction.

4. The positioning device for the compressed spring assembly for recycling of claim 3, wherein the guiding portion (410) is rod-shaped, the limiting portion comprises a limiting sleeve (420), the guiding portion (410) is slidably connected in the limiting sleeve (420), and the limiting sleeve (420) can prevent the guiding portion (410) from rotating.

5. The retracting compression spring assembly positioning device according to claim 1, wherein the upper end of the pressing portion (300) has a pulling portion.

6. The retracting pressure spring assembly positioning device according to claim 5, wherein the lifting portion comprises a lifting rod (500) inclined outward from top to bottom.

7. The positioning device for the recovered pressure spring assembly according to claim 5, wherein a counterweight structure is arranged on the pressing portion (300).

8. The recovery compression spring assembly positioning device according to claim 1, wherein the extrusion portion (300) has a vertically extending rack thereon, and further comprising a rotatable hand wheel having a toothed disc thereon that engages the rack.

9. The recovery compression spring assembly positioning device according to claim 1, comprising a linear driving mechanism, wherein the movable ends of the linear driving mechanism are respectively connected with the first pressing arm (310) and the second pressing arm (320).

10. The apparatus according to claim 9, wherein the linear driving mechanism comprises a lead screw motor module or a telescopic cylinder module.