CN220741211U - Hydraulic rim clamping hand - Google Patents

Abstract

The utility model provides a hydraulic rim clamping hand which is characterized by comprising a clamping jaw base, wherein at least two hydraulic clamping jaw mechanisms are arranged on the clamping jaw base; the two hydraulic clamping jaw mechanisms are oppositely arranged on the clamping jaw base; the hydraulic clamping jaw mechanism is used for clamping a rim; the hydraulic clamping jaw mechanism comprises an oil injection cavity, a clamping block and a telescopic sleeve; the pressure is increased through oil in the oil injection cavity, so that the two telescopic sleeve members are pushed to move along the axial direction towards the direction approaching to each other, and the rim is clamped on the clamping block; the technical problems that the cylinder can not meet the use requirement and the clamping is unstable when being used as a power source are solved, and the production beat is quickened. The production efficiency is improved.

Description

Hydraulic rim clamping hand

Technical Field

The utility model relates to the technical field of rim processing, in particular to a hydraulic rim clamping hand.

Background

The rim is commonly called as a rim, and is a part for installing and supporting a tire on the periphery of the wheel, and the wheel is formed by the rim and a spoke, and is fixed by clamping tools such as a clamp, a clamping hand and the like in the processing process. At first, adopt the tong of rack pinion rack structure, because the location of straight rack only has the screw, there is the rack along the radial trend of skew of gear in the motion process, lead to the gear to combine inseparably, the centre gripping work piece is unstable, the centre gripping position is unstable when the tong removes, prior art is to this further improvement, square straight rack with former technique is changed into the cylinder rack, and there is the inseparable mounting hole of cooperation on the bottom plate of outside in the cylinder rack, respectively there is a mounting hole on the bottom plate of outside in two gears, and there is accurate position requirement in mounting hole, the depth of position and the relative depth of parallelism of two cylinder racks have been guaranteed like this, the gear rack is closely cooperated, through cylinder power supply, rack drive, inside and outside tong bidirectional movement, the function of stable centre gripping work piece is realized, the cylinder is just as the power supply, the centre gripping is realized to gear control tong centre gripping angle, the cylinder is as the power supply and can not satisfy the stability of centre gripping yet guaranteed to the use demand, the security of centre gripping has been reduced.

Disclosure of Invention

The utility model aims to provide a hydraulic rim clamping hand so as to solve the technical problems in the prior art.

In order to solve the technical problems, the hydraulic rim clamping hand provided by the utility model comprises a clamping jaw base, and at least two hydraulic clamping jaw mechanisms arranged on the clamping jaw base;

the two hydraulic clamping jaw mechanisms are oppositely arranged on the clamping jaw base;

the hydraulic clamping jaw mechanism is used for clamping a rim; the hydraulic clamping jaw mechanism comprises an oil injection cavity, a clamping block and a telescopic sleeve;

the pressure is increased through the oil in the oil injection cavity, so that the two telescopic sleeve members are pushed to move along the axial direction towards the direction close to each other, and the rim is clamped on the clamping block.

Further, the telescopic sleeve comprises a cylinder inner core, and the telescopic sleeve is arranged on the cylinder inner core in an axial sliding mode.

Further, the device also comprises a first boss and a second boss, and an oil injection cavity is formed between the first boss and the second boss.

Further, the telescopic sleeve member is outwards provided with a protrusion along the radial direction to form the first boss, the cylinder inner core is outwards provided with a protrusion along the radial direction to form the second boss, and the first boss is in sealing connection with the second boss to form an oil injection cavity.

Further, the telescopic sleeve comprises an oil filling port arranged on the cylinder inner core, and the oil filling port is arranged on the cylinder inner core and the telescopic sleeve in a penetrating mode.

Further, the telescopic sleeve comprises a telescopic sleeve ring, and the telescopic sleeve ring is arranged on the cylinder inner core in an axial telescopic manner.

Further, the first boss is arranged at the end part of the telescopic lantern ring, and the first boss is arranged on the second boss in a sliding sealing manner.

Further, the outer diameter of the first boss is larger than that of the telescopic lantern ring, and a descending step is formed between the first boss and the telescopic lantern ring.

Further, the telescopic sleeve further comprises a cylinder housing, and the cylinder housing is arranged on the telescopic lantern ring.

Further, the cylinder body shell is provided with an inwards concave clamping ring, and the first protruding block is clamped in the clamping ring to realize the fixed connection of the telescopic lantern ring and the cylinder body shell.

Further, a stroke space is formed between the cylinder body shell and the telescopic lantern ring through a descending step, and the stroke space is used for telescopic limiting of the telescopic sleeve.

Further, the telescopic sleeve comprises a spring arranged on the cylinder inner core and used for resetting the telescopic sleeve.

Further, the spring is wound on the cylinder inner core along the axial direction, and the spring release elasticity moves the telescopic sleeve in the direction away from each other, so that the telescopic sleeve is reset.

Further, the clamping blocks are oppositely arranged on the cylinder body shell, and the telescopic sleeve relatively moves to enable the clamping blocks to clamp the rim.

Further, the clamping block comprises a wear-resistant plate arranged on the clamping block and used for increasing clamping force.

Further, the telescopic sleeve also comprises a guide part arranged on the cylinder inner core, and plays a role in guiding the telescopic sleeve in the telescopic process.

Further, the hydraulic clamping jaw mechanism further comprises an adjusting screw rod arranged on the inner core of the cylinder body and used for fine adjusting the initial widths of the two hydraulic clamping jaw mechanisms.

Further, the cylinder inner core is arranged to be a hollow structure coaxial with the telescopic sleeve, and the adjusting screw rod is rotatably arranged in the cylinder inner core.

Further, opposite threads are arranged at two ends of the adjusting screw rod, threads matched with the adjusting screw rod are arranged on the inner wall of the cylinder body inner core, and the width adjustment of the oppositely arranged hydraulic clamping jaw mechanisms is realized by rotating the adjusting screw rod.

Further, the clamping jaw clamping device further comprises a bearing seat arranged on the clamping jaw base, and the guide part is connected with the adjusting rod through the bearing seat.

Further, the device also comprises a locking block arranged on the adjusting screw rod and used for adjusting the rotation of the adjusting screw rod.

Further, still include the fixed plate, accommodate the lead screw and guide part one end sets up in a hydraulic pressure clamping jaw mechanism, accommodate the lead screw and guide part other end passes another hydraulic pressure clamping jaw mechanism and extends to the outside, accommodate the lead screw and guide part setting on the fixed plate, accommodate the lead screw and pass the fixed plate and be provided with the latch segment.

Further, the hydraulic clamping jaw mechanism further comprises a limiting column arranged on the hydraulic clamping jaw mechanism, and limiting is carried out on the moving stroke of the hydraulic clamping jaw mechanism.

Further, the limit post is arranged at one end of the two hydraulic clamping jaw mechanisms, which is close to each other, in a protruding mode.

Further, the limit post is fixedly arranged on the limit collar, and a thread groove is formed in the limit post and is matched with the adjusting screw for use.

Further, the protective cover is also included, so that the protective effect is achieved.

By adopting the technical scheme, the utility model has the following beneficial effects:

compared with the prior art, the hydraulic rim clamping hand has the advantages that the single-acting special-shaped oil cylinder is used as the hydraulic clamping jaw mechanism, the rim is clamped between the clamping blocks through oil pressure, the technical problems that the cylinder is used as a power source and cannot meet the use requirement and the clamping is unstable are solved, the production beat is accelerated, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the utility model and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a hydraulic rim clamp provided by an embodiment of the present utility model;

fig. 2 is a schematic partial structure of a hydraulic rim clamping hand according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a hydraulic rim clamp provided by an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a hydraulic rim clamp according to another embodiment of the present utility model;

fig. 5 is an enlarged view at a in fig. 4.

Reference numerals:

10-clamping jaw base, 20-protection cover, 30-cylinder inner core, 31-oil filling port, 32-second boss, 33-oil filling cavity, 40-telescopic sleeve, 41-first boss, 42-limit post, 50-cylinder shell, 60-clamping block, 61-wear plate, 70-guide part, 80-adjusting screw rod, 81-connecting seat, 82-fixed plate, 83-locking block, 84-adjusting gear and 85-adjusting toothed plate.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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

The utility model is further illustrated with reference to specific embodiments.

As shown in fig. 1 to 3, the hydraulic rim clamping hand provided in this embodiment includes a clamping jaw base 10, and at least two hydraulic clamping jaw mechanisms disposed on the clamping jaw base 10; the two hydraulic clamping jaw mechanisms are oppositely arranged on the clamping jaw base 10; the hydraulic clamping jaw mechanism is preferably a single-action special-shaped oil cylinder and is used for clamping a rim; the hydraulic clamping jaw mechanism comprises an oil injection cavity 33, a clamping block 60 and a telescopic sleeve 40; the oil in the oil filling cavity 33 increases the pressure to push the two telescopic sleeves 40 to move along the axial direction towards each other, so that the rim is clamped on the clamping block 60.

This application is with single-action dysmorphism hydro-cylinder as hydraulic pressure clamping jaw mechanism, compares in prior art, through oil pressure with rim centre gripping between grip block 60, has solved the cylinder and can not satisfy the use demand and the unstable this technical problem of centre gripping as the power supply for production beat. The production efficiency is improved.

In this embodiment, the hydraulic clamping jaw mechanism further includes a cylinder core 30, and the telescopic sleeve 40 is slidably disposed on the cylinder core 30 along the axial direction. The telescopic sleeve 40 is provided with a bulge outwards along the radial direction to form the first boss 41, the cylinder inner core 30 is provided with a bulge outwards along the radial direction to form the second boss 32, and the first boss 41 is connected with the second boss 32 in a sealing way to form the oil injection cavity 33. The telescopic hydraulic cylinder further comprises an oil filling port 31 arranged on the cylinder inner core 30, and the oil filling port 31 is arranged on the cylinder inner core 30 and the telescopic sleeve 40 in a penetrating mode.

In this embodiment, the oil filling port 31 is connected with a hydraulic station, and a hydraulic lock is arranged on the hydraulic station to lock the loop, so that the loop oil can not flow, and the hydraulic clamping jaw mechanism can still keep the position unchanged under the action of external load, thereby avoiding the situation that the production beat is influenced by suddenly powering off the rim.

In this embodiment, the telescopic sleeve 40 includes a telescopic sleeve, and the telescopic sleeve is disposed on the cylinder core 30 in an axial telescopic manner. The first boss 41 is disposed at an end of the telescopic collar, and the first boss 41 is disposed on the second boss 32 in a sliding seal manner. The outer diameter of the first boss 41 is larger than that of the telescopic lantern ring, and a descending step is formed between the first boss 41 and the telescopic lantern ring. The telescoping assembly 40 further includes a cylinder housing 50, the cylinder housing 50 being disposed on the telescoping collar.

The cylinder body shell 50 is provided with an inward concave clamping ring, and the first protruding block is clamped in the clamping ring to realize the fixed connection between the telescopic lantern ring and the cylinder body shell 50. The cylinder body shell and the telescopic lantern ring form a travel space through a descending step, and the travel space is used for telescopic limiting of the telescopic sleeve 40.

The present embodiment further includes a spring provided on the cylinder core 30 for restoring the telescopic sleeve 40. The spring is wound on the cylinder core 30 along the axial direction, and the spring release elasticity moves the telescopic sleeve 40 in a direction away from each other, so as to realize the resetting of the telescopic sleeve 40. The clamping blocks 60 are relatively arranged on the cylinder housing 50, and the telescopic sleeve 40 relatively moves so that the clamping blocks 60 clamp the rim. And also includes a wear plate 61 provided on the clamping block 60 for increasing the clamping force. When the hydraulic clamping jaw mechanisms are close to each other and press the springs, the springs are in a compressed shape, when the clamping state is needed to be contacted, the oil pressure disappears, the springs release elasticity to rebound and reset, and the hydraulic clamping jaw mechanisms move to the initial positions.

The embodiment further comprises a connecting seat 81 arranged on the clamping jaw base 10, and further comprises a guide part 70 arranged on the cylinder inner core 30, wherein the guide part 70 is connected with the adjusting rod through the connecting seat 81, and a bearing is arranged in the connecting seat 81 to play a role in guiding the telescoping process of the telescoping sleeve 40. The guide part 70 is a guide rod, the guide rod penetrates through the hydraulic clamping jaw mechanism and the bearing seat, a guide hole is formed in the end portion of the hydraulic clamping jaw mechanism, and the guide rod penetrates through the guide hole and the connecting seat 81 and is in sliding connection with the guide hole and the connecting seat.

The embodiment further comprises an adjusting screw rod 80 arranged on the cylinder inner core 30 and used for finely adjusting the initial widths of the two hydraulic clamping jaw mechanisms, the cylinder inner core 30 is arranged to be of a hollow structure coaxial with the telescopic sleeve 40, the adjusting screw rod 80 is rotatably arranged in the cylinder inner core 30, opposite threads are arranged at two ends of the adjusting screw rod 80, threads matched with the adjusting screw rod are arranged on the inner wall of the cylinder inner core 30, and the width adjustment of the oppositely arranged hydraulic clamping jaw mechanisms is realized by rotating the adjusting screw rod 80; when the rims with different sizes are required to be clamped, the clamping width is finely adjusted by manually rotating the adjusting screw 80 before clamping so as to ensure the clamping force of the rims due to the small telescopic travel of the hydraulic clamping jaw mechanism and driving the two hydraulic clamping jaws to be close to or far away from each other through the threaded action.

The embodiment further comprises a fixing plate 82, one end of the adjusting screw 80 and one end of the guiding portion 70 are arranged in one hydraulic clamping jaw mechanism, the other end of the adjusting screw 80 and the other end of the guiding portion 70 penetrate through the other hydraulic clamping jaw mechanism to extend to the outer side, the adjusting screw 80 and the guiding portion 70 are arranged on the fixing plate 82, and the adjusting screw 80 penetrates through the fixing plate 82 to be provided with a locking block 83. When the width needs to be finely adjusted, the locking block 83 is loosened, the adjusting screw rod 80 is rotated, and after the locking block 83 is screwed in place after the adjusting screw rod 80 is adjusted, the adjusting screw rod is not rotated any more.

The embodiment further comprises a limiting column 42 arranged on the hydraulic clamping jaw mechanism, and limiting the moving stroke of the hydraulic clamping jaw mechanism. The limiting post 42 is arranged at one end of the two hydraulic clamping jaw mechanisms, which are close to each other in a protruding manner. The limiting column 42 is fixedly arranged on the limiting collar, and a thread groove is formed in the limiting column 42 and is matched with the adjusting screw for use.

The embodiment further comprises a protective cover 20, wherein the protective cover 20 is provided with a connecting seat 81 and two ends of the oil cylinder, and the two parts are wrapped up to achieve effective protection.

In another embodiment, the device further comprises an adjusting toothed plate 85 and an adjusting gear 84, as shown in fig. 4-5, the two adjusting toothed plates 85 are arranged in the cylinder inner core 30, the two adjusting toothed plates 85 are arranged up and down, the two adjusting toothed plates 85 are meshed with the adjusting gear 84, the two adjusting toothed plates 85 are driven to move towards each other through the adjusting gear 84, and then the oil cylinders are driven to be close to each other to adjust the initial width.

Working principle: according to the rim size and width to be processed, firstly, the initial width is finely adjusted through the adjusting screw rod 80/the adjusting gear 84 and the adjusting toothed plate 85, the rim is placed between the two clamping blocks 60, the hydraulic station is used for injecting oil into the oil filling cavity 33 and generating oil pressure, the telescopic sleeve 40 is pushed to move in opposite directions, the clamping blocks 60 are further driven to be mutually close to clamp the rim, the wear-resisting plate 61 plays a role in skid resistance, clamping force is increased, the phenomenon that the rim falls when the power is suddenly cut off can be prevented by the hydraulic lock, and the work safety is enhanced.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The hydraulic rim clamping hand is characterized by comprising a clamping jaw base (10), and at least two hydraulic clamping jaw mechanisms arranged on the clamping jaw base (10);

the two hydraulic clamping jaw mechanisms are oppositely arranged on the clamping jaw base (10);

the hydraulic clamping jaw mechanism is used for clamping a rim; the hydraulic clamping jaw mechanism comprises an oil injection cavity (33), a clamping block (60) and a telescopic sleeve;

the pressure is increased through the oil in the oil injection cavity (33), so that the two telescopic sleeve members are pushed to move along the axial direction towards the direction approaching to each other, and the rim is clamped on the clamping block (60).

2. The hand grip of claim 1, further comprising a cylinder core (30), the telescoping assembly being axially slidably disposed on the cylinder core (30).

3. The hand grip of claim 1, further comprising a first boss and a second boss (32), wherein an oil injection cavity (33) is formed between the first boss and the second boss (32).

4. The hand grip according to claim 2, further comprising an oil filling port (31) provided on the cylinder core (30), the oil filling port (31) being provided through the cylinder core (30) and the telescopic sleeve.

5. A grip as claimed in claim 2, further comprising a spring provided on the cylinder core (30) for resetting the telescopic sleeve.

6. A hand grip according to claim 5, wherein the spring is wound around the cylinder core (30) in the axial direction, and the spring release force moves the telescopic members away from each other, thereby achieving a telescopic member return.

7. The hand according to claim 1, wherein the clamping blocks (60) are relatively arranged on the cylinder housing, and the telescopic sleeve relatively moves so that the clamping blocks (60) clamp the rim.

8. A hand grip according to claim 2, further comprising an adjusting screw (80) provided on the cylinder core (30) for fine tuning the initial width of the two hydraulic jaw mechanisms.

9. The hand grip according to claim 8, further comprising a locking block (83) provided on the adjusting screw (80) for adjusting the rotation of the adjusting screw (80).

10. The hand grip of claim 1, further comprising a limit post (42) disposed on the hydraulic jaw mechanism to limit the travel of the hydraulic jaw mechanism.