CN219837679U - Frock clamp suitable for multi-size work piece - Google Patents

Abstract

The utility model discloses a fixture suitable for workpieces with multiple sizes, which comprises a processing platform, wherein a plurality of through grooves are formed in the processing platform, limiting grooves are formed in the upper ports of the through grooves, positioning female dies are detachably arranged in the limiting grooves, the positioning female dies are embedded and matched with the limiting grooves, the inner limiting surfaces of the positioning female dies are in fit limiting fit with the peripheral side profile surfaces of clamped workpieces, one side of each through groove is provided with a pressing assembly, a height limiting module of each pressing assembly can be adjusted in a lifting mode, the angle of the pressing surface of each pressing assembly is adjusted in a self-adaptive mode, and the pressing surface is fit with the top profile surface of the clamped workpiece in a limiting fit mode. The utility model meets the requirement of small-batch multi-size suite processing with flexible size change through the die assembly component which can be flexibly replaced and the compression assembly which can be relatively adaptively adjusted.

Description

Frock clamp suitable for multi-size work piece

Technical Field

The utility model relates to the field of tool clamps, in particular to a tool clamp suitable for workpieces with multiple sizes.

Background

For small batch production of complete workpieces, equipment cost generated by batch production of each workpiece in the complete workpiece is higher by adopting a single production line, so in a process with the same processing technology, the complete workpiece is clamped and processed simultaneously by a multi-station tool clamp, thereby improving processing efficiency and saving cost.

Disclosure of Invention

The utility model aims to: in order to overcome the defects in the prior art, the utility model provides a fixture suitable for multi-size workpieces, and small-batch multi-size sleeve processing with flexible size change is satisfied through a die assembly component capable of being flexibly replaced and a pressing assembly capable of being relatively adaptively adjusted.

The technical scheme is as follows: in order to achieve the above purpose, the tool clamp suitable for the multi-size workpieces comprises a processing platform, wherein a plurality of through grooves are formed in the processing platform, limiting grooves are formed in the upper ports of the through grooves, positioning female dies are detachably arranged in the limiting grooves, the positioning female dies are embedded in the limiting grooves to be matched with each other, limiting surfaces in the positioning female dies are matched with contour surfaces on the periphery of the clamped workpieces in a fitting and limiting mode, pressing assemblies are arranged on one sides of the through grooves, height limiting modules of the pressing assemblies can be adjusted in a lifting mode, the angle of the pressing surfaces of the pressing assemblies can be adjusted in a self-adaptive mode, and the pressing surfaces are matched with the contour surfaces on the tops of the clamped workpieces in a fitting and limiting mode.

Further, the compression assembly comprises a compression bar structure, the middle part of the compression bar structure is hinged to the top end of the height limiting module, the driving end of the compression bar structure is hinged to the output end of the compression cylinder, and the pressing end of the compression bar structure swings relatively to be close to or far away from the clamped workpiece.

Further, the bottom side surface of the pressing end is an arc-shaped curved surface.

Further, a flexible elastic piece is fixedly connected to the bottom side face of the pressing end, the bottom side face of the flexible elastic piece is the pressing face, and the flexible elastic piece extends along the bending direction of the bottom side face of the pressing end.

Further, the pressing end is further provided with an auxiliary clamping structure, the auxiliary clamping mechanism comprises a pair of clamping pieces, the two clamping pieces are respectively clamped on two sides of a protrusion at the top of the clamped workpiece, the clamping pieces are respectively arranged in a swinging hinged mode relative to the pressing end through reset elastic pieces, the two clamping pieces are arranged in a swinging mode relative to each other, and the outer sides of the clamping pieces are connected to the pressing end through traction mechanisms.

Further, the height limiting module comprises a hinge seat fixedly connected to the movable end of the lifting driving device, and the hinge seat is hinged to the middle of the pressing rod structure.

Further, the hinge seat is hinged to the middle of the compression bar structure through an adapter plate, and two ends of the adapter plate are hinged to the hinge seat and the middle of the compression bar structure respectively.

The beneficial effects are that: according to the fixture suitable for the multi-size workpieces, the limiting concave die can be flexibly replaced according to the peripheral side outline surface size of the workpiece to be processed, the relative height of the pressing assembly is controlled and adjusted according to the height size of the workpiece to be processed and the top outline surface size, and the angle of the pressing surface is adaptively adjusted to enable the pressing surface to be in close fit with the outline surface on the workpiece all the time, so that the multi-size workpieces are adaptively clamped, small-batch multi-size suite processing with flexible size change is achieved, cost is effectively saved, and processing efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the structure of A in FIG. 1;

fig. 3 is a schematic structural view of an auxiliary clamping structure according to an embodiment of the present utility model.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

The utility model provides a frock clamp suitable for multisize work piece, includes processing platform 1, be provided with a plurality of logical groove 2 on the processing platform 1, the last port of logical groove 2 all is provided with spacing groove 3, can dismantle in the spacing groove 3 and be provided with location die 4, location die 4 with spacing groove 3 inlays and establishes the cooperation, spacing face 41 and the laminating of being pressed from both sides 5 week side profile face limit cooperation of work piece in the location die 4, it all is provided with hold-down assembly 6 to lead to groove 2 one side, but the height-limiting module 61 lifting adjustment setting of hold-down assembly 6, the setting of holding down face 62 angle self-adaptation adjustment of hold-down assembly 6, hold-down face 62 with the laminating of being pressed from both sides 5 top profile face limit cooperation.

This scheme is through the location die of detachable design, change when the partial work piece size in the external member, only need change the location die of relevant position can, reduce the cost that the change mould produced, adjust the relative height that compresses tightly the subassembly through high limit module simultaneously, with the work piece centre gripping of adaptation not co-altitude dimension, the self-adaptation angle modulation of cooperation compacting face simultaneously, make the compacting subassembly positive pressure all the time in the work piece surface, guarantee that the multi-size work piece homoenergetic is pressed from both sides tightly firmly, satisfy the processing of the little batch multi-size external member of the nimble change of size, effectively practice thrift the cost, raise machining efficiency.

As a preferred embodiment:

the pressing component 6 comprises a pressing rod structure 63, the middle part of the pressing rod structure 63 is hinged to the top end of the height limiting module 61, the driving end of the pressing rod structure 63 is hinged to the output end of the pressing cylinder 64, and the pressing end 65 of the pressing rod structure 63 swings relatively to be close to or far away from the clamped workpiece 5.

The bottom side surface of the pressing end 65 is an arc-shaped curved surface; the bottom side surface of the pressing end 65 is fixedly provided with a flexible elastic piece 66, the bottom side surface of the flexible elastic piece 66 is the pressing surface 62, and the flexible elastic piece 66 extends along the bending direction of the bottom side surface of the pressing end 65; through arc curved surface structure and gentle elastic component for but the profile surface dysmorphism structure and the inclination on the holding-down surface self-adaptation work piece, but evenly distributed work piece surface receives the pressure.

The height limiting module 61 comprises a hinge seat 611, the hinge seat 611 is fixedly connected to the movable end of the lifting driving device, the hinge seat 611 is hinged to the middle part of the pressing rod structure 63, and the height of the hinge seat is adjusted through lifting, so that the relative height of the pressing rod structure is adjusted to adapt to workpiece clamping of different height sizes, and pressing is always positive pressure and the surface of a workpiece.

The hinge seat 611 is hinged to the middle part of the compression rod structure 63 through an adapter plate 612, and two ends of the adapter plate 612 are respectively hinged to the hinge seat 611 and the middle part of the compression rod structure 63.

The pressing end 65 is further provided with an auxiliary clamping structure 7, the auxiliary clamping structure 7 comprises a pair of clamping pieces 71, the two clamping pieces 71 are respectively clamped on two sides of the protrusion 51 at the top of the clamped workpiece 5, the clamping pieces 71 are respectively arranged in a swinging and hinging mode relative to the pressing end 65 through reset elastic pieces, the two clamping pieces 71 are arranged in a swinging mode relative to each other, and the outer sides of the clamping pieces 71 are connected to the pressing end 65 through traction mechanisms 72.

When the top of a clamped workpiece is provided with a bulge, the pressing rod structure is pressed in a relatively flat area during clamping, meanwhile, the bulge part is clamped from two sides through the auxiliary clamping structure, so that the degree of freedom of the workpiece is further limited, and the workpiece is ensured to be clamped firmly;

as another embodiment, the traction mechanism can also adopt a magnetic attraction structure, and the open-close state between the clamping assemblies is controlled by changing the electrified state through an electromagnetic structure. The pulling force of the hauling rope is replaced by the attractive force of magnetic attraction.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.

Claims (7)

1. Frock clamp suitable for multi-size work piece, its characterized in that: including processing platform (1), be provided with a plurality of logical groove (2) on processing platform (1), the port all is provided with spacing groove (3) on logical groove (2), can dismantle in spacing groove (3) and be provided with location die (4), location die (4) with spacing groove (3) inlay and establish the cooperation, spacing face (41) in location die (4) and by the spacing cooperation of clamp work piece (5) week side profile laminating, logical groove (2) one side all is provided with compresses tightly subassembly (6), but highly spacing module (61) lifting adjustment setting of compressing tightly subassembly (6), compressing tightly the setting of face (62) angle self-adaptation of subassembly (6), compressing tightly face (62) with by the spacing cooperation of clamp work piece (5) top profile laminating.

2. A tool clamp suitable for use with multi-sized workpieces as defined in claim 1, wherein: the pressing assembly (6) comprises a pressing rod structure (63), the middle part of the pressing rod structure (63) is hinged to the top end of the height limiting module (61), the driving end of the pressing rod structure (63) is hinged to the output end of the pressing cylinder (64), and the pressing end (65) of the pressing rod structure (63) swings relatively to be close to or far away from the clamped workpiece (5).

3. A tool clamp suitable for use with multi-sized workpieces as defined in claim 2, wherein: the bottom side surface of the pressing end (65) is an arc-shaped curved surface.

4. A tool holder for multi-sized workpieces according to claim 3, wherein: the pressing end (65) is fixedly connected with a soft elastic piece (66), the bottom side of the soft elastic piece (66) is the pressing surface (62), and the soft elastic piece (66) extends along the bending direction of the bottom side of the pressing end (65).

5. A tooling fixture for multi-sized workpieces as defined in claim 4 wherein: the pressing end (65) is further provided with an auxiliary clamping structure (7), the auxiliary clamping structure (7) comprises a pair of clamping pieces (71), the two clamping pieces (71) are respectively clamped on two sides of a protrusion (51) at the top of the clamped workpiece (5), the clamping pieces (71) are respectively hinged to the pressing end (65) through reset elastic pieces in a swinging mode, the two clamping pieces (71) are arranged in a swinging mode in a relative mode, and the outer sides of the clamping pieces (71) are connected to the pressing end (65) through traction mechanisms (72).

6. A tool clamp suitable for use with multi-sized workpieces as defined in claim 2, wherein: the height limiting module (61) comprises a hinging seat (611), the hinging seat (611) is fixedly connected to the movable end of the lifting driving device, and the hinging seat (611) is hinged to the middle of the pressure bar structure (63).

7. A tooling fixture for multi-sized workpieces as defined in claim 6 wherein: the hinge seat (611) is hinged to the middle of the compression rod structure (63) through an adapter plate (612), and two ends of the adapter plate (612) are hinged to the hinge seat (611) and the middle of the compression rod structure (63) respectively.