CN115302276A

CN115302276A - Tool clamp

Info

Publication number: CN115302276A
Application number: CN202211020550.0A
Authority: CN
Inventors: 蒋国雄; 叶伟健; 谭永乐; 梁秀英
Original assignee: Guangdong Tiangong Automation Technology Co ltd
Current assignee: Guangdong Tiangong Automation Technology Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-11-08

Abstract

The invention belongs to the technical field of industry, and particularly relates to a tool table, wherein a first upright post and a second upright post which are fixed on the tool table are arranged on the tool table, a workpiece groove for placing a workpiece is formed between the first upright post and the second upright post, and a fixing mechanism which pushes the workpiece to be fixed in the workpiece groove is arranged on the first upright post. The utility model provides a frock clamp sets up the design that first stand and second stand formed the work piece groove through the frock platform, can all have an accurate position of placing when clamping the work piece at every turn, makes the work piece clamping all in same position at every turn, has improved the machining precision of work piece, can also save the process that needs the tool setting at every turn re-clamping simultaneously, practices thrift process time and improves production efficiency.

Description

Work fixture

Technical Field

The invention belongs to the technical field of industry, and particularly relates to a tool clamp.

Background

With the development of science and technology, the requirement on the machining precision of a workpiece is higher and higher, and how to make an ideal product not only requires a high-precision machine tool, but also requires a mature technological process, and also puts a high requirement on the structural reasonability of a clamp. The use of the clamp is developed towards the direction of high efficiency and low labor intensity. In the past, in the field of machining, a plurality of workpieces need special fixtures to be machined when machined, if a common universal fixture is adopted, recalibration is needed after one part is machined, the machining speed is low in the mode, the operation process is complicated, time and labor are wasted when the universal fixture is disassembled and assembled for many times, the machining speed is greatly influenced, machining errors can occur, and the parts in the same batch are directly influenced to have larger errors.

Disclosure of Invention

The invention aims to provide a tool clamp. The problem of current anchor clamps clamping efficiency lower and clamping precision low is solved.

In order to achieve the purpose, the invention adopts the scheme that: a first upright and a second upright are fixed on the tool table, a workpiece groove for placing a workpiece is formed between the first upright and the second upright, and a fixing mechanism which pushes the workpiece to fix the workpiece in the workpiece groove is arranged on the first upright. The utility model provides a frock clamp sets up the design that first stand and second stand formed the work piece groove through the frock platform, can all have a fixed position of placing when clamping the work piece at every turn, makes the work piece clamping all in same position at every turn, has improved the machining precision of work piece, can also save the process that the lathe need reset the tool after clamping the work piece at every turn simultaneously, practices thrift process time and improves production efficiency.

Wherein, the fixing mechanism comprises an ejector block and a push block; the ejector block is provided with a first inclined surface, and the push block is provided with a second inclined surface corresponding to the first inclined surface; the first inclined plane is abutted against the second inclined plane, so that the push block can be pushed to move transversely when moving downwards. The utility model provides a frock clamp passes through the design of kicking block and ejector pad, only needs to promote the ejector pad downwards just can make the kicking block transversely promote the effect that the work piece reaches fixed work piece when fixed work piece, makes the clamping of work piece convenient and fast more.

The pushing block is arranged on the first upright post through a fastener and pushed by the fastener towards the direction close to the first upright post; and a spring is arranged between the push block and the first upright post, and the spring pushes the push block to move towards the direction far away from the first upright post under the action of the elastic force of the spring. According to the tool clamp, the push block is arranged on the first upright post through the fastener, when a workpiece is clamped, the workpiece can be clamped only by screwing the fastener, and the workpiece is further conveniently fixed; meanwhile, through the design of the spring, the push block can be reversely pushed by the spring after the fastener is unscrewed, the reset of the push block is realized, the push block is separated from the workpiece, and the workpiece disassembly efficiency is improved.

The first clamping groove is formed in the first inclined surface, and the first clamping strip is arranged on the second inclined surface; the first clamping strip is embedded in the first clamping groove, so that the sliding track of the ejector block relative to the push block is limited by the first clamping groove and the first clamping strip. The tool clamp can enable the ejector block to slide along a relatively fixed track through the design of the first clamping groove and the first clamping strip, and further improves the clamping precision of workpieces.

The fixing mechanism further comprises a guide block, the guide block is fixed on the first stand column, a second clamping groove is formed in the guide block, a second clamping strip is arranged on the push block, and the second clamping strip is embedded in the second clamping groove, so that the up-and-down movement track of the push block is limited by the second clamping strip and the second clamping groove. The utility model provides a frock clamp can make reciprocating of ejector pad have a dependence through the design of guide block, and the design of second card strip and second draw-in groove also makes the removal of ejector pad have a fixed orbit simultaneously, further improvement the precision of work piece clamping.

Wherein, second draw-in groove and second card strip all incline to set up, make the ejector pad also can lateral shifting when reciprocating. The utility model provides a frock clamp sets up through the slope, makes the ejector pad also can lateral shifting when reciprocating, has increased the clamping scope that can make anchor clamps bigger of kicking block lateral shifting's stroke.

Wherein, the ejector block is provided with a first die. The tool clamp can enable the ejector block to be attached to a workpiece with an irregular surface through the design of the first die on the ejector block, further improves the clamping range of the clamp, and can also improve the clamping precision.

Wherein, be equipped with the top on the second stand and push away the cylinder, push away and be equipped with the second mould on the cylinder. The utility model provides a frock clamp is through being equipped with the top on the second stand and pushing away the cylinder, pushes away the design that is equipped with the second mould on the cylinder, can further the work piece of clamping irregular surface, has further improved the clamping scope of anchor clamps, improves the clamping scope and improves the clamping precision, and the design of cylinder can also improve clamping speed simultaneously.

According to the tool clamp, when a workpiece is clamped, the workpiece can be clamped only by placing the workpiece in the workpiece groove and then screwing the fastener, so that the clamping speed is improved to a great extent, and meanwhile, the workpiece groove also ensures that each workpiece can be clamped to the same position, namely, the clamping and machining speed is improved, and the machining precision is also improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a first column structure of the present invention;

FIG. 3 is a cross-sectional view of a first upright of the present invention;

FIG. 4 is an exploded view of a first column of the present invention;

FIG. 5 is a schematic view of a second column construction of the present invention;

FIG. 6 is a cross-sectional view of a second stud according to the present invention;

FIG. 7 is a schematic view of the push block structure of the present invention;

FIG. 8 is a schematic view of the top block structure of the present invention;

FIG. 9 is a schematic view of the guide block of the present invention;

FIG. 10 is a schematic view of the present invention showing the effect of clamping a workpiece by a plurality of sets of first and second columns;

in the figure: the tool comprises a tool table 1, a first upright column 2, a second upright column 3, a pushing cylinder 31, a second mold 32, a top block 41, a pushing block 42, a fastening piece 43, a spring 44, a guide block 45, a first mold 46, a first inclined surface 411, a first clamping groove 412, a second inclined surface 421, a first clamping strip 422, a second clamping strip 423 and a second clamping strip 451.

Detailed Description

In order that those skilled in the art may better understand the invention and that the scope of the invention that is claimed may be more clearly defined, the invention is described in detail below with respect to certain specific embodiments of the invention. It should be noted that the following is only a few embodiments of the present invention, and the specific direct description of the related structures is only for the convenience of understanding the present invention, and the specific features do not of course directly limit the scope of the present invention. Conventional choices and substitutions made by those skilled in the art in light of the present disclosure are to be considered within the scope of the present invention as claimed.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer" first, "" second, "etc., indicate orientations or positional relationships that are based on those illustrated in the drawings, which are merely for convenience in describing and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore the terms are not to be construed as limiting the invention.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

The first embodiment is as follows:

as shown in fig. 1 to 10, the tooling fixture of the present embodiment includes a tooling table 1, the tooling table 1 is a bearing part of the whole fixture, and can be fixed with a worktable of a machine tool and also used for bearing a workpiece, two columns are fixed on the tooling table 1, and are respectively a first column 2 and a second column 3; the first upright post 2 and the second upright post 3 are spaced at a certain distance to form a workpiece groove, a workpiece is placed in the workpiece groove, and the workpiece groove is limited in the transverse position of the workpiece, so that the workpiece is placed at a relatively fixed position every time.

Be equipped with fixed establishment on first stand 2, fixed establishment can transversely promote the work piece, pushes away the work piece to butt second stand 3, plays the effect of fixed work piece.

The fixing mechanism comprises a top block 41, a push block 42 and a guide block 45, wherein a first inclined surface 411 is arranged on the top block 41, and a second inclined surface 421 corresponding to the first inclined surface 411 is arranged on the push block 42; be equipped with first draw-in groove 412 on first inclined plane 411, be equipped with first card strip 422 on the second inclined plane 421, first inclined plane 411 and the laminating of second inclined plane 421 set up, first card strip 422 inlays in first draw-in groove 412, can promote kicking block 41 lateral shifting under the effect of first inclined plane 411 and second inclined plane 421 when ejector pad 42 reciprocates, kicking block 41 lateral shifting's orbit is restricted by first card strip 422 and first draw-in groove 412 simultaneously, only one lateral shifting's orbit line, kicking block 41 will butt work piece to work piece direction removal, and push up the work piece and push up butt second stand 3, play the effect of pressing from both sides the work piece.

The pushing block 42 is mounted on the first upright 2 through a fastener 43, the fastener 43 is preferably a hexagon socket head cap screw, and tightening the screw pushes the pushing block 42 to move towards the first upright 2, i.e. the pushing block 42 is pressed downwards, so that the effect of driving the pushing block 4 to clamp the workpiece is achieved.

A spring 44 is arranged between the pushing block 42 and the first upright post 2, the spring 44 pushes the pushing block 42 to move towards the direction far away from the first upright post 2, namely, the pushing block 42 is pushed upwards by the spring 44 under the action of the self elasticity, and the pushing block 42 is pushed upwards by the spring 44 after the screw is unscrewed, so that the effect of driving the ejecting block 4 to be separated from the workpiece is realized.

The guide block 45 is fixed on the first upright post 2, the guide block 45 is provided with a second clamping groove 451, the push block 42 is provided with a second clamping strip 423, and the second clamping strip 423 is embedded in the second clamping groove 451, so that the up-down movement track of the push block 42 is limited by the second clamping strip 423 and the second clamping groove 451, and the up-down movement track of the push block 42 is also only one, thereby further improving the precision of clamping workpieces.

Meanwhile, the second clamping groove 451 and the second clamping strip 423 are also obliquely arranged, so that the pushing block 42 can move transversely while moving up and down, the transverse moving stroke of the pushing block 42 can be superposed on the transverse moving stroke of the pushing block 41, the pushing block 41 has a larger transverse moving stroke, the range of the clamp for clamping workpieces is greatly improved, and meanwhile, the transverse moving of the pushing block 41 and the pushing block 42 are carried out simultaneously, so that the speed of clamping and disassembling workpieces can be improved.

Be equipped with the first mould 46 of detachable on kicking block 41, when the contact surface of work piece and kicking block is irregular contact surface, can laminate the first mould 46 of contact surface according to the contact surface design, when installing first mould 46 on kicking block 41 like this, can be on the work piece by the even application of the thrust of kicking block 41, can improve the contact surface between work piece and the anchor clamps like this, improve the stability of anchor clamps to the work piece clamping.

The second upright 3 is provided with a pushing cylinder 31, the pushing cylinder 31 is provided with a second mold 32 which is detachably arranged, and the second mold 32 has the same function as the first mold 46, which will not be described in detail herein.

The first die 46 and the second die 32 are detachable and replaceable, and the corresponding dies are designed according to different installation of different workpieces, so that the clamp can clamp workpieces with various irregular surfaces.

Example two:

when a workpiece with a longer length is clamped, a plurality of groups of first upright posts 2 and second upright posts 3 in the first embodiment can be arranged on the tool table 1 along the axial direction of the workpiece, and corresponding fixing mechanisms are synchronously arranged on the first upright posts 2 and the second upright posts 3 to push the air cylinders 31, so that the workpiece with the longer length can be clamped more stably.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and embellishments can be made without departing from the technical principle of the present invention, and these modifications and embellishments should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a frock clamp which characterized in that includes: a tooling table (1);

a first upright post (2) and a second upright post (3) which are fixed on the tool table (1) are arranged on the tool table (1), and a workpiece groove for placing a workpiece is formed between the first upright post (2) and the second upright post (3);

and a fixing mechanism for pushing the workpiece to fix the workpiece in the workpiece groove is arranged on the first upright post (2).

2. A tooling fixture according to claim 1 wherein the securing mechanism comprises a pusher block (41) and a pusher block (42);

a first inclined surface (411) is arranged on the ejector block (41), and a second inclined surface (421) corresponding to the first inclined surface (411) is arranged on the push block (42);

the first inclined surface (411) is abutted with the second inclined surface (421), so that the push block (42) is pushed to move transversely when the push block (42) moves downwards.

3. A tooling clamp according to claim 2, wherein the push block (42) is mounted on the first upright (2) by a fastener (43), and the push block (42) is pushed by the fastener (43) in a direction approaching the first upright (2);

a spring (44) is arranged between the push block (42) and the first upright post (2), and the spring (44) can push the push block (42) to move towards the direction far away from the first upright post (2) under the action of the self elastic force.

4. A tooling clamp according to claim 3, wherein a first clamping groove (412) is provided on the first inclined surface (411), and a first clamping strip (422) is provided on the second inclined surface (421);

the first clamping strip (422) is embedded in the first clamping groove (412), so that the sliding track of the top block (41) relative to the push block (42) is limited by the first clamping groove (412) and the first clamping strip (422).

5. The tooling fixture of claim 4, wherein the fixing mechanism further comprises a guide block (45), the guide block (45) is fixed on the first upright (2), the guide block (45) is provided with a second clamping groove (451), a second clamping strip (423) is arranged on the push block (42), and the second clamping strip (423) is embedded in the second clamping groove (451), so that the up-and-down movement track of the push block (42) is limited by the second clamping strip (423) and the second clamping groove (451).

6. The tool clamp as claimed in claim 5, wherein the second clamping groove (451) and the second clamping strip (423) are arranged obliquely, so that the pushing block (42) can move transversely while moving up and down.

7. A tooling clamp according to any one of claims 2 to 6 wherein a first die (46) is provided on the top block (41).

8. The tooling clamp according to claim 7, wherein a pushing cylinder (31) is arranged on the second upright (3), and a second die (32) is arranged on the pushing cylinder (31).