CN212762877U - Deformable thin-wall special-shaped pipe grinding clamping jaw - Google Patents

Abstract

The utility model discloses a deformable thin wall dysmorphism pipe clamping jaw of polishing, include the support and install the flange on the support, the support is half frame type and lays, and installs revolving cylinder an and revolving cylinder b respectively for two bottoms of support, two relatively laying of revolving cylinder an and revolving cylinder, and revolving cylinder a's output installs tight cylinder that rises, the fixture of laying relatively is installed to tight cylinder's that rises output and revolving cylinder b's output for the fixed clamp of work piece presss from both sides tightly. The utility model discloses a be provided with a series of structures for this deformable thin wall shaped tube clamping jaw of polishing, when in-service use, can promote going on of automatic mechanical tubes of polishing with the help of equipment such as robot, avoid the manual work to polish the adverse effect that brings, and can carry out polishing under the characteristic circumstances such as outside and inboard to the mechanical tubes.

Description

Deformable thin-wall special-shaped pipe grinding clamping jaw

Technical Field

The utility model relates to a technical field that polishes specifically is a deformable thin wall special-shaped pipe clamping jaw that polishes.

Background

The brass instrument is composed of a plurality of thin-wall special pipes, an important link of the production of the brass instrument is a polishing process, wherein polishing of the special pipes is more important, and the polishing quality is related to basic performances of the brass instrument such as tone and the like, so that the quality of the finished product of the brass instrument is determined.

In the traditional process, the polishing process of the special pipe is usually manual polishing of a handheld workpiece, obviously, the number of decision factors in the manual polishing is large, the quality of the manual polishing is difficult to guarantee, the experience, the operation precision and the like of workers cannot be guaranteed, the consistency is poor, the wages of polishing wages are relatively high, the manufacturing cost is high, the existing polishing environment is severe, various flying chips, sparks and the like are easy to diffuse, the workers are in the environment for a long time, the physical health of the workers are directly affected, and the popularization of automatic special pipe polishing equipment is urgent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a deformable thin wall special-shaped pipe clamping jaw of polishing to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a deformable thin wall dysmorphism pipe clamping jaw of polishing, includes the support and installs the flange on the support, the support is half frame type and lays, and installs revolving cylinder an and revolving cylinder b respectively in two bottoms of support, revolving cylinder an and two relative laying of revolving cylinder b, and the output of revolving cylinder a installs tight cylinder that rises, the output of tight cylinder that rises and the output of revolving cylinder b install the fixture of laying relatively for the fixed clamp of work piece presss from both sides tightly.

Preferably, the clamping mechanism comprises a finger a and a finger b, the finger a is mounted at the output end of the tensioning cylinder, and the finger b is mounted at the output end of the rotating cylinder b.

Preferably, the finger a and the finger b are both curved parts, and the ends of the finger a and the fingers b are both arranged in parallel relatively and have anti-skid lines on the surfaces.

Preferably, the tail end of the finger a and the tail end of the finger b are connected with two ends of the workpiece, and the connecting parts are provided with wear-resistant positioning sleeves.

Preferably, the support is arranged in a half-frame shape, and a fixing piece is arranged on the inner side surface of the non-end surface of the support. .

Preferably, the fixing part comprises a telescopic cylinder and a buffer block, the telescopic cylinder is arranged on the inner side surface of the non-end surface of the support, and the buffer block is arranged at the output end of the telescopic cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this deformable thin wall dysmorphism pipe clamping jaw of polishing, through revolving cylinder a, use with revolving cylinder b combination, can drive the work piece in step and rotate, so that to the equipment of polishing of fixed position, make the side of mechanical tubes work piece change, and then be convenient for under the actual position's that does not change the equipment position of polishing condition, carry out simultaneous processing to the inboard and the outside of mechanical tubes, even make whole clamping jaw can cooperate six robots of industry, nonstandard abrasive band machine, equipment common usage such as feedway and unloader, promote going on of automatic work of polishing, avoid relying on the artifical unfavorable problem that brings of polishing completely.

2. This deformable thin wall dysmorphism pipe clamping jaw of polishing, through pointing an a, use with pointing b jointly, can carry out the fixed cup joint simultaneously to the both ends of mechanical tubes work piece, and through wear-resisting position sleeve, consolidate the location, avoid taking place the off normal, do benefit to going on of work of polishing, and through the tight cylinder that rises, two mouths of pipe of tensile work piece when the action that rises carries out, under the circumstances of little skew, make two mouths of pipe receive opposite moment effect, can increase the actual fixity ability of workpiece mounting on the finger.

3. This deformable thin wall dysmorphism pipe clamping jaw of polishing, through the mounting, can be under the inboard rotatory condition of support at the work piece, can push up tightly to the non-polishing surface of work piece, can realize moment balance effect when polishing in the inboard, increase structural stability, through telescopic cylinder, can be to not unidimensional work piece, especially highly different work piece, can produce concertina movement, guarantee the tight fixed effect in top to the work piece all the time, and pass through the buffer block, be made by elastic plastic material and form, when can push up tight work piece, play certain elastic buffer effect, avoid the work piece to receive the pressure deformation, influence actual quality.

Drawings

Fig. 1 is a schematic view of a fixture for polishing an outer ring of a clamping jaw in embodiment 1;

FIG. 2 is a schematic view of a fixture for inner ring grinding of the clamping jaw in embodiment 1;

FIG. 3 is a schematic view of the outer shape of the workpiece according to the present invention;

fig. 4 is a schematic structural view of the fixing member according to embodiment 2.

In the figure: 1. a support; 2. a connecting flange; 3. a rotary cylinder a; 4. a tensioning cylinder; 5. a finger a; 6. a wear-resistant positioning sleeve; 7. a workpiece; 8. a finger b; 9. a rotary cylinder b; 10. a fixing member; 101. a buffer block; 102. a telescopic cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1 to 3, the deformable thin-walled special pipe grinding clamping jaw of this embodiment includes a support 1 and a connecting flange 2 installed on the support 1, the connecting flange 2 can be connected to an external installation surface through bolts and other components, so as to fixedly install the whole grinding clamping jaw, the support 1 is arranged in a half-frame shape, and is a half-frame structure, the bottom end is a cross section with a larger gap, and two bottom ends of the support 1 are respectively installed with a rotary cylinder a3 and a rotary cylinder b9, two rotary cylinders a3 and b9 are oppositely arranged, the output ends of the two cylinders correspond to each other, and the rotary cylinder a3 and b9 are connected to an external pneumatic component through a pipeline for controlling the two cylinders, so as to perform a rotary motion, if necessary, the rotary cylinder a3 and the rotary cylinder b9 can be synchronously controlled by a linked switch, and the output end of the rotary cylinder a3 is installed with a tensioning cylinder 4, in order to guide the piston to perform linear reciprocating motion in the cylinder, in practical use, the workpiece 7 can be driven to deform by means of reciprocating linear motion, clamping mechanisms which are arranged oppositely are mounted at the output end of the tensioning cylinder 4 and the output end of the rotary cylinder b9 and used for fixing and clamping the workpiece 7, so that the workpiece 7 is fixed, and in the whole polishing process, the rotary cylinder a3 and the rotary cylinder b9 control the rotation of the workpiece 7, so that the polishing position is changed.

Specifically, the clamping mechanism comprises a finger a5 and a finger b8, the finger a5 is installed at the output end of the tensioning cylinder 4, the tensioning cylinder 4 can drive the finger a5 to move and fix one end of the workpiece 7, the finger b8 is installed at the output end of the rotary cylinder b9, and the rotary cylinder b9 can directly drive the finger b8 to rotate.

Furthermore, the finger a5 and the finger b8 are both curved members, the end of the finger a5 and the end of the finger b8 are both arranged in parallel, and the surfaces of the two are both provided with anti-slip threads, the ends can be cylindrical members, so that the two can be inserted into the workpiece 7 to form a direct sleeving effect, and the anti-slip threads can increase the friction between the finger a5 or the finger b8 and the workpiece 7.

Furthermore, the tail end of the finger a5 and the tail end of the finger b8 are connected with two ends of the workpiece 7 in a sleeved mode, the connecting parts are provided with the wear-resistant positioning sleeves 6, the wear-resistant positioning sleeves 6 can be made of rubber materials with good elastic performance, and can be filled in the gap between the outer surface of the finger a5 and the inner wall of the workpiece 7 and the gap between the outer surface of the finger b8 and the inner wall of the workpiece 7 through elasticity, so that the fixing effect of interference filling is achieved.

Furthermore, the support 1 is arranged in a half-frame shape, the fixing piece 10 is installed on the inner side surface of the non-end surface of the support 1, the fixing piece 10 is a long part, and the position of the gap between the actual finger a5 and the finger b8 corresponds to the fixing piece 10, so that the workpiece 7 can be pushed tightly in the overturning process.

The using method of the embodiment comprises the following steps: fixing a support 1 and even the whole clamping jaw at a specific position by a connecting flange 2, starting a tensioning cylinder 4 to perform small-displacement extension to fix a gap between a finger a5 and a finger b8, pushing a special pipe workpiece 7 to be polished to the finger a5 and the finger b8 by equipment such as a six-axis robot, performing preliminary limiting and fixing by a wear-resistant positioning sleeve 6 and the like, retracting the tensioning cylinder 4 in small displacement, shifting the whole finger a5 to a direction far away from the finger b8, clamping the whole workpiece 7 by pulling force while increasing the gap between the finger a5 and the finger b 3538, thereby achieving the effect of fixing components, polishing the outer ring by a non-standard abrasive belt machine, synchronously rotating the rotating cylinder a3 and the rotating cylinder b9 upwards by 180 degrees after polishing, rotating the finger a5 and the finger b8 and even the workpiece 7 thereon upwards by 180 degrees integrally, polishing the inner ring of the workpiece 7 against the abrasive belt machine at the moment, after polishing, the rotary cylinder a3 and the rotary cylinder b9 synchronously rotate downwards for 180 degrees to reset, the tensioning cylinder 4 resets to loosen the workpiece 7, and then the workpiece 7 is taken down.

Example 2

The structure of the deformable thin-wall special-shaped pipe grinding clamping jaw of the embodiment is basically the same as that of the deformable thin-wall special-shaped pipe grinding clamping jaw of the embodiment 1, and the difference is that: the fixing member 10 is composed of a telescopic cylinder 102 and a buffer block 101, the telescopic cylinder 102 is installed on the inner side surface of the non-end surface of the support 1, and the buffer block 101 is installed at the output end of the telescopic cylinder 102 (see fig. 4). The telescopic cylinder 102 is a cylinder part with a piston performing reciprocating linear motion, the buffer block 101 is made of a plastic material with moderate flexibility, and when the workpiece 7 is polished on the inner side, the buffer block 101 directly pushes the workpiece 7 tightly, a certain elastic buffer effect is achieved, and the workpiece 7 is prevented from being deformed by pressure and affecting actual quality.

The using method of the embodiment comprises the following steps: when the workpiece 7 of the special pipe is subjected to inner side grinding, namely after the rotary cylinder a3 and the rotary cylinder b9 synchronously rotate upwards for 180 degrees, when the workpiece 7 is small in height and has a certain distance with the buffer block 101, the telescopic cylinder 102 can be started to perform stretching movement, the buffer block 101 is pushed to move towards the outer side face close to the workpiece 7, the buffer block 101 is in contact with the non-processing face on the outer side of the workpiece 7 and slightly deforms, the whole process can be controlled by the stroke control module, the pressure sensing module and other components of the telescopic cylinder 102, so that the buffer block 101 generates certain extrusion force to fix the workpiece 7, when the inner side surface is ground, the workpiece is pressed tightly against the outer side surface, and the mechanical stability during grinding is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a deformable thin wall dysmorphism pipe clamping jaw of polishing which characterized in that: including support (1) and installing flange (2) on support (1), support (1) is half frame type and lays, and two bottoms of support (1) are installed revolving cylinder a (3) and revolving cylinder b (9) respectively, two relatively laying of revolving cylinder a (3) and revolving cylinder b (9), and the output of revolving cylinder a (3) installs tight cylinder (4) that rises, the fixture of laying relatively is installed to the output of tight cylinder (4) that rises and the output of revolving cylinder b (9) for the fixed clamp of work piece (7) presss from both sides tightly.

2. A deformable thin-walled profiled tubing sanding jaw as claimed in claim 1, wherein: the clamping mechanism comprises a finger a (5) and a finger b (8), the finger a (5) is installed at the output end of the tensioning cylinder (4), and the finger b (8) is installed at the output end of the rotating cylinder b (9).

3. A deformable thin-walled profiled tubing sanding jaw as claimed in claim 2, wherein: the finger a (5) and the finger b (8) are both curved parts, the tail ends of the finger a (5) and the tail ends of the finger b (8) are arranged in parallel relatively, and anti-skid grains are arranged on the surfaces of the finger a (5) and the finger b (8).

4. A deformable thin-walled profiled tubing sanding jaw as claimed in claim 2, wherein: the tail end of the finger a (5) and the tail end of the finger b (8) are connected with two ends of a workpiece (7), and the joints are provided with wear-resistant positioning sleeves (6).

5. A deformable thin-walled profiled tubing sanding jaw as claimed in claim 1, wherein: the support (1) is arranged in a half-frame shape, and a fixing piece (10) is arranged on the inner side surface of the non-end surface of the support (1).

6. A deformable thin-walled profiled tubing sanding jaw as claimed in claim 5, wherein: the fixing piece (10) is composed of a telescopic cylinder (102) and a buffer block (101), the telescopic cylinder (102) is installed on the inner side surface of the non-end face of the support (1), and the buffer block (101) is installed at the output end of the telescopic cylinder (102).

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