CN214200030U - Self-centering detection clamp for disc parts - Google Patents

Abstract

The utility model provides a disc part is from feeling relieved detection anchor clamps, include bottom plate, workstation, from centering guiding mechanism, include drive assembly, first adjusting block, second adjusting block and first linear guide rail from centering guiding mechanism, drive assembly can drive first adjusting block and second adjusting block and follow first linear guide rail and synchronous relative or back of the body slip mutually. The utility model discloses dish type part is from feeling relieved and is detected anchor clamps, can realize that the dish type part of multiple different external diameter size can both automatic alignment center, and then realizes quick clamping, improves clamping efficiency.

Description

Self-centering detection clamp for disc parts

Technical Field

The utility model belongs to the technical field of the anchor clamps frock, specifically a disc part examines anchor clamps of time measuring usefulness.

Background

With the development of modern industry and the increasing requirements of people on product quality, the frequency and the number of spot checks on the size of workpieces are continuously increased, some workpieces even need to be inspected completely, and the workpieces in a factory are various in types and high in yield. The flexible clamping device has new and higher requirements on the efficiency of a clamping system, and is required to realize the rapid positioning and clamping of workpieces and realize the flexible clamping of the workpieces and the compatibility of the workpieces as many as possible.

For clamping small disc workpieces (the outer diameter is generally less than 400 mm), the existing three-jaw chuck can be used for clamping due to small size and light weight. With the development of modern industry, large disc parts (circular disc parts with the outer diameter larger than 400 mm) are used more and more at present, because a large three-jaw chuck or other standard clamps matched with the large three-jaw chuck are not used for clamping in the prior art, the workpiece is mainly supported by simple stand columns for clamping the workpiece, the workpiece is fixed by manually adjusting the position of each support stand column, meanwhile, most of workpiece detection needs to be matched with a rotary table for use, if the workpiece needs to be concentric with the rotary table or other mechanisms, the workpiece needs to be adjusted by a three-coordinate measuring machine and the like, and the adjustment difficulty is high; the positions of the supporting mechanisms of the disc parts with different sizes are different, the positions of the supports need to be manually readjusted when different workpieces are clamped, the tool needs a large amount of time for adjustment, the adjustment precision is limited, and the clamping efficiency of the parts is seriously affected.

Disclosure of Invention

The utility model provides a dish type part is from line-up detection anchor clamps can realize that multiple different external diameters dish type work piece can both automatic alignment center to realize the dish type part of the different external diameters of flexible clamping, improve clamping efficiency and part position precision.

In order to solve the technical problem, the utility model adopts the following technical scheme to realize: a disc part is from centering detection anchor clamps includes:

a base plate;

the workbench is arranged on the bottom plate and used for placing the disc parts;

the self-centering adjusting mechanism comprises a driving assembly, a first adjusting block, a second adjusting block and a first linear guide rail fixedly arranged on the bottom plate, wherein the first adjusting block and the second adjusting block are in sliding fit with the first linear guide rail, the first adjusting block is provided with a first adjusting part, the second adjusting block is provided with a second adjusting part, and the first adjusting part and the second adjusting part are arranged oppositely; the driving assembly can drive the first adjusting block and the second adjusting block to synchronously slide oppositely or oppositely along the first linear guide rail;

when the first adjusting block and the second adjusting block slide synchronously and relatively, the first adjusting part and the second adjusting part respectively push the disc parts to be concentric with the workbench from the two radial ends of the disc parts.

The first linear guide rail is positioned below the workbench, and the first adjusting block and the second adjusting block are respectively positioned at two sides of the workbench.

The drive assembly comprises a bidirectional screw rod and a first drive component used for driving the bidirectional screw rod to rotate, the first adjusting block is in threaded fit with the left-handed thread section of the bidirectional screw rod, and the second adjusting block is in threaded fit with the right-handed thread section of the bidirectional screw rod.

The first adjusting block and the second adjusting block are symmetrically arranged, and the first adjusting portion and the second adjusting portion are both V-shaped grooves.

The workstation is rotatable circular workstation, dish type part is from feeling relieved detection anchor clamps and still includes:

and the locking mechanism is used for locking the workbench after the workbench rotates to the position.

The locking mechanism is located on the circumferential outer side of the workbench and comprises a locking component and a second driving component used for driving the locking component to be in contact with or far away from the circumferential side face of the workbench, and when the locking component is driven by the second driving component to be in contact with and abut against the circumferential side face of the workbench, the workbench is locked.

The self-centering detection clamp for disc parts further comprises:

and the circumferential limiting mechanism is used for limiting the rotation of the disc parts.

The circumference stop gear includes second linear guide, spacing part, fixing base and elasticity reset unit, second linear guide with the fixing base all sets firmly on the bottom plate, spacing part with second linear guide sliding fit, spacing part has the spacing portion that is located its top, elasticity reset unit one end is connected the fixing base, the other end is connected spacing part.

The limiting part can stretch out and draw back up and down.

And a soft supporting piece is arranged on the upper surface of the workbench and used for supporting the disc parts.

Compared with the prior art, the utility model has the advantages of it is following and positive effect: the utility model discloses dish type part is from feeling relieved detects anchor clamps, it is including self-centering guiding mechanism, it can drive first adjusting block and second adjusting block along the synchronous relative or back of the body slip mutually of first straight line guide rail from centering guiding mechanism's drive assembly, when the synchronous relative slip of first adjusting block and second adjusting block, first adjusting portion and second adjusting portion promote dish type part to it concentric with the workstation from the radial both ends of dish type part respectively, thereby realize that multiple different external diameter size's dish type part can both the automatic alignment center, and then realize quick clamping, improve the position accuracy of clamping efficiency and part, and then be favorable to improving measurement accuracy, also be applicable to the clamping of large-scale dish type work piece.

Drawings

Fig. 1 is a perspective view of the self-centering detection clamp for disc parts according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a perspective view of another view angle of the self-centering detection fixture for disc parts of the present invention;

fig. 4 is an enlarged view of a portion B of fig. 3.

Reference numerals: 100. a base plate; 110. a hoisting ring; 200. a work table; 210. a soft support; 300. a self-centering adjustment mechanism; 310. a drive assembly; 311. a bidirectional lead screw; 312. a first drive member; 320. a first adjusting block; 321. a first adjusting section; 330. a second adjusting block; 331. a second adjustment unit; 340. a first linear guide rail; 400. a locking mechanism; 410. a locking member; 420. a second drive member; 430. a fixed support; 440. a fixed block; 450. soft cushion blocks; 500. a circumferential limiting mechanism; 510. a second linear guide; 520. a limiting component; 521. a limiting part; 530. a fixed seat; 540. and an elastic reset component.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 4, the self-centering detection fixture for a disc part in the present embodiment includes a base plate 100, a table 200, and a self-centering adjustment mechanism 300.

The bottom plate 100 is preferably a flat plate with horizontal upper and lower surfaces, and is a substrate of the whole clamp, the working table 200 and the self-centering adjusting mechanism 300 are both arranged on the bottom plate 100, so as to form a whole clamp, the whole clamp can be arranged on a measuring platform of a measuring machine or other measuring equipment through the bottom plate 100, and in order to facilitate replacement and displacement, the bottom plate 100 can be provided with a lifting ring 110 so as to be displaced in a lifting manner.

The worktable 200 is used for placing disc parts to be measured, such as circular, circular ring-shaped and oval disc parts, and the worktable 200 is also preferably a flat plate-shaped worktable so as to stably place the disc parts, and in order to prevent scratching the parts, a soft supporting member 210, such as a rubber material or a POM material, may be disposed on the upper surface of the worktable 200 for directly contacting and supporting the disc parts.

The self-centering adjusting mechanism 300 comprises a driving assembly 310, a first adjusting block 320, a second adjusting block 330 and a first linear guide rail 340 fixedly arranged on the base plate 100, wherein the first adjusting block 320 and the second adjusting block 330 are in sliding fit with the first linear guide rail 340, the first adjusting block 320 is provided with a first adjusting part 321, the second adjusting block 330 is provided with a second adjusting part 331, and the first adjusting part 321 and the second adjusting part 331 are arranged oppositely; the driving assembly 310 can drive the first adjusting block 320 and the second adjusting block 330 to synchronously slide towards or away from each other along the first linear guide 340; when the first adjusting block 320 and the second adjusting block 330 slide synchronously and relatively, the first adjusting part 321 and the second adjusting part 331 respectively push the disk parts from the two ends of the disk parts in the radial direction to be concentric with the workbench 200.

Specifically, as shown in fig. 1 and 3, in the present embodiment, the first linear guide 340 is a dual guide, and has reliably guided and supported the first adjusting block 320 and the second adjusting block 330, the number of the first linear guide 340 is one set, and the first adjusting block 320 and the second adjusting block 330 are disposed on the same set of the first linear guide 340, so as to ensure the movement synchronization of the first adjusting block 320 and the second adjusting block 330 as much as possible. Of course, two sets of first linear guide rails 340 may be provided, corresponding to the first adjusting blocks 320 and the second adjusting blocks 330 one to one, and there may be no specific limitation here.

The first adjusting block 320 and the second adjusting block 330 are driven by the driving assembly 310 to synchronously slide towards or away from each other along the first linear guide rail 340, when the first adjusting block 320 and the second adjusting block 330 synchronously slide towards each other, the first adjusting part 321 and the second adjusting part 331 respectively push the disc parts from the two radial ends of the disc parts to the positions where the disc parts are concentric with the workbench 200, and thus the automatic centering during the clamping of the disc parts can be realized; meanwhile, the first adjusting block 320 and the second adjusting block 330 can synchronously slide relative to or back to each other, so that the clamping device can be applied to center alignment and clamping of disc parts with different outer diameter sizes, namely, the flexible clamping of the parts with different outer diameters is realized, the clamping efficiency and the position precision of the parts are improved, and the clamping device is also applicable to clamping of large disc parts; when the first adjusting block 320 and the second adjusting block 330 slide back and forth synchronously, the disk-like parts can be separated.

Further, in this embodiment, as shown in fig. 1 and 3, the first linear guide 340 is located below the worktable 200, and the first adjusting block 320 and the second adjusting block 330 are respectively located at two sides of the worktable 200, so that the overall structure of the clamp is compact and the occupied space is small on the premise that the first adjusting portion 321 and the second adjusting portion 331 respectively apply force to the disc-like parts from two radial ends of the disc-like parts.

The driving assembly 310 may be driven by a manual driving structure or a motor. Specifically, as shown in fig. 1 and fig. 3, the present embodiment is a manual driving structure, and includes a bidirectional screw 311 and a first driving component, i.e., a driving handwheel 312, for driving the bidirectional screw 311 to rotate, a first adjusting block 320 is in threaded engagement with a left-handed thread section of the bidirectional screw 311, and a second adjusting block 330 is in threaded engagement with a right-handed thread section of the bidirectional screw 311. When the driving handwheel 312 is manually rotated to drive the bidirectional screw 311 to rotate, the first adjusting block 320 and the second adjusting block 330 slide synchronously or oppositely, that is, the first adjusting portion 321 and the second adjusting portion 331 move inward or outward along the radial direction of the disc-like part. The manual driving by the driving handwheel 312 is easy to realize and has cost advantage.

Of course, the driving assembly 310 may also be controlled by electric synchronization, i.e. the first driving component may be driven by an electric motor to rotate the bidirectional screw 311.

Preferably, in this embodiment, the first adjusting block 320 and the second adjusting block 330 are symmetrically arranged, that is, the structures are completely the same, so that the stress on the disk parts is balanced; simultaneously, first adjustment portion 321 and second adjustment portion 331 are V type groove for area of contact is little as far as possible when it contacts with dish class part, and it is close to be the point contact, can effectively improve the clamping precision, and the first adjustment portion 321 and the second adjustment portion 331 of V type groove shape can satisfy the clamping adjustment of different external diameter dish class parts, further improve the flexible clamping function of anchor clamps.

Since most of the parts are detected by matching with the rotary table, the working table 200 in this embodiment is preferably a rotatable circular working table, the posture of the disc-like parts can be adjusted by rotating the working table 200, and the working table 200 can be rotatably connected with the base plate 100 by a crossed ball bearing. To ensure that the disc-like component is centered in the proper position or the position of the worktable 200 is stable, referring to fig. 1 and 2, the self-centering detection fixture for disc-like components in the present embodiment further includes a locking mechanism 400 for locking the worktable 200 after the worktable 200 rotates to the proper position.

In detail, the locking mechanism 400 is located at the circumferential outer side of the table 200 in the present embodiment, and includes a locking member 410 and a second driving member 420 for driving the locking member 410 to contact with or be away from the circumferential side surface of the table 200, and when the locking member 410 is moved to approach the circumferential side surface of the table 200 to contact and abut against the circumferential side surface of the table 200 by the driving of the second driving member 420, the rotational degree of freedom of the table 200 is restricted, thereby being locked.

The locking component 410 can be a sliding block capable of moving along the radial direction of the workbench 200, the second driving component 420 can be a combined structure of a driving hand wheel and a lead screw, the sliding block is in threaded fit with the lead screw, the lead screw is driven to rotate through rotating the driving hand wheel so as to drive the sliding block to move along the radial direction of the workbench 200, and when the sliding block moves to abut against the circumferential side face of the workbench 200, the workbench 200 is locked. In the embodiment, as shown in fig. 2, the locking member 410 is a column, the bottom end of which is hinged to a fixed support 430 on the bottom plate 100, so that the locking member 410 can be turned around the hinge shaft, so that the top end of the locking member is close to or far from the circumferential side surface of the workbench 200, the second driving member 420 is a stepped shaft-shaped bolt arranged along the radial direction of the workbench 200, the locking member 410 is sleeved on the small diameter portion of the second driving member 420 and is in clearance fit with the second driving member 420, meanwhile, a fixed block 440 is fixedly arranged on the bottom plate 100, a threaded hole is arranged on the fixed block 440, the tail end of the second driving member 420 is in threaded fit with the threaded hole, the locking member 410 is turned and swung around the hinge shaft by screwing in or screwing out the second driving member 420, when screwing in the second driving member 420, the locking member 410 is pressed to make the top end thereof firmly abut against the circumferential side surface of the workbench 200 to realize locking, the locking member 410 may be provided with a soft pad 450, such as a rubber pad, at a portion contacting the table 200 at the top end thereof to increase friction and prevent scratches on the table 200.

In order to ensure a stable detection pose of the disc part, especially for a part with a small weight, as shown in fig. 3 and 4, the self-centering detection fixture in the embodiment further includes a circumferential limiting mechanism 500 for limiting the rotation of the disc part.

Further, in this embodiment, the circumferential limiting mechanism 500 is located at a side portion of the working table 200, and includes a second linear guide 510, a limiting component 520, a fixing seat 530 and an elastic resetting component 540, the second linear guide 510 and the fixing seat 530 are both fixed on the bottom plate 100, the limiting component 520 is in sliding fit with the second linear guide 510, the limiting component 520 has a limiting portion 521 located at a top portion thereof, one end of the elastic resetting component 540 is connected with the fixing seat 530, and the other end of the elastic resetting component is connected with the limiting component 520 to facilitate resetting of the limiting component 520. When the disc part is rotated to drive the workbench 200 to rotate or the workbench 200 is rotated to drive the disc part to rotate until the part is in the detection pose, the limiting part 521 of the limiting part 520 is in contact with the edge of the part to limit the rotational degree of freedom of the disc part. The limiting member 520 is a column, and the limiting portion 521 is a top section of the column, preferably a cylinder. For disc-like parts having features on the circumferential side, such as teeth or holes, the stop portion 521 of the stop member 520 may be snapped to the root of the tooth or inserted into the hole to positively stop the part. The limiting component 520 can move along the second linear guide rail 510, so that flexible limiting of disc parts with different outer diameters is achieved, and the disc parts can be driven to slide manually or driven to slide electrically; the elastic restoring component 540 applies a pulling force or a pushing force to the limiting component 520 to enable the limiting part 521 to firmly limit the disc parts, and enables the limiting component 520 to smoothly restore when the disc parts are removed.

For a disc-like component having a hole on the circumferential side, the stopper 521 is preferably vertically retractable so as to be smoothly inserted into the component hole.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; 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 that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims (10)

1. A disc part is from centering detection anchor clamps which characterized in that includes:

a base plate;

the workbench is arranged on the bottom plate and used for placing the disc parts;

the self-centering adjusting mechanism comprises a driving assembly, a first adjusting block, a second adjusting block and a first linear guide rail fixedly arranged on the bottom plate, wherein the first adjusting block and the second adjusting block are in sliding fit with the first linear guide rail, the first adjusting block is provided with a first adjusting part, the second adjusting block is provided with a second adjusting part, and the first adjusting part and the second adjusting part are arranged oppositely; the driving assembly can drive the first adjusting block and the second adjusting block to synchronously slide oppositely or oppositely along the first linear guide rail;

when the first adjusting block and the second adjusting block slide synchronously and relatively, the first adjusting part and the second adjusting part respectively push the disc parts to be concentric with the workbench from the two radial ends of the disc parts.

2. The self-centering detection clamp for disc parts according to claim 1,

the first linear guide rail is positioned below the workbench, and the first adjusting block and the second adjusting block are respectively positioned at two sides of the workbench.

3. The self-centering detection clamp for disc parts according to claim 1,

the drive assembly comprises a bidirectional screw rod and a first drive component used for driving the bidirectional screw rod to rotate, the first adjusting block is in threaded fit with the left-handed thread section of the bidirectional screw rod, and the second adjusting block is in threaded fit with the right-handed thread section of the bidirectional screw rod.

4. The self-centering detection clamp for disc parts according to claim 1,

the first adjusting block and the second adjusting block are symmetrically arranged, and the first adjusting portion and the second adjusting portion are both V-shaped grooves.

5. The self-centering detection clamp for disc parts according to any one of claims 1 to 4,

the workstation is rotatable circular workstation, dish type part is from feeling relieved detection anchor clamps and still includes:

and the locking mechanism is used for locking the workbench after the workbench rotates to the position.

6. The self-centering detection clamp for disc parts according to claim 5,

the locking mechanism is located on the circumferential outer side of the workbench and comprises a locking component and a second driving component used for driving the locking component to be in contact with or far away from the circumferential side face of the workbench, and when the locking component is driven by the second driving component to be in contact with and abut against the circumferential side face of the workbench, the workbench is locked.

7. The disc part self-centering detection clamp according to claim 5, further comprising:

and the circumferential limiting mechanism is used for limiting the rotation of the disc parts.

8. The self-centering detection clamp for disc parts according to claim 7,

the circumference stop gear includes second linear guide, spacing part, fixing base and elasticity reset unit, second linear guide with the fixing base all sets firmly on the bottom plate, spacing part with second linear guide sliding fit, spacing part has the spacing portion that is located its top, elasticity reset unit one end is connected the fixing base, the other end is connected spacing part.

9. The self-centering detection clamp for disc parts according to claim 8,

the limiting part can stretch out and draw back up and down.

10. The self-centering detection clamp for disc parts according to claim 1,

and a soft supporting piece is arranged on the upper surface of the workbench and used for supporting the disc parts.

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