Spanner positioning fixture
Technical field
The present invention relates to spanner technical field of processing equipment, in particular to a kind of spanner positioning fixture.
Background technique
Monkey wrench in process of production, from assembled formation is machined to again to surface treatment, needs complicated into multiple tracks is crossed
Cumbersome process.Wherein, the body drilling of pulling of monkey wrench is one very crucial of manufacturing procedure, if pulling the worm screw hole machined of body
Occur deviation, not only will affect the assembling of the components such as its subsequent worm shaft, but will influence monkey wrench carry out operation make
The feel of used time.Currently, the process of spanner drilling is mainly realized that labor intensity is higher by manual operation, processing efficiency is lower,
And the precision to drill is also difficult to hold.As industrial the degree of automation is higher and higher, the process of monkey wrench
Gradually mechanization needs to pull to be processed by positioning device on the process line of monkey wrench automatic drilling
Body is accurately positioned, and to guarantee machining accuracy and processing quality, and current spanner positioning device is only applicable to craft mostly
Operation, efficiency are lower, it is difficult to carry out consecutive tracking and meet assembly line processing request, and positioning accuracy and accuracy be not high.
Summary of the invention
The present invention provides a kind of spanner positioning fixtures, are suitable on spanner automation process line, existing to solve
Spanner positioning device be only applicable to manual operations mostly, efficiency is lower, and the problem that positioning accuracy and accuracy be not high.
In order to achieve the above object, the present invention provides a kind of spanner positioning fixture, the spanner includes being arranged in inside
Three working faces and a setting outer surface on the outside, the spanner positioning fixture include:
Clamp base;
Three curved locating pieces, the three curved locating piece are slidably arranged in the first side of the clamp base, the three curved positioning
There are three positioning surface, the working face one-to-one correspondence of the positioning surface and the spanner for setting on block;
Screw rod is clamped, the clamping screw rod includes upper clamping screw rod and lower clamping screw rod, and it is curved fixed to be separately positioned on described three
Where the block of position above and below plane, the upper clamping screw rod and the lower clamping screw rod are respectively fixedly disposed on one and clamp
First end on arm and once clamping limb, the upper clamping limb and the lower clamping limb are arranged at the second of the clamp base
Side;
The third side of the clamp base is arranged in side jacking block, the side jacking block, and the side jacking block is close to described
The side of three curved locating pieces is provided with an arc locating surface, and the arc locating surface is corresponding with the outer surface of the spanner.
Wherein, the first side of the clamp base is additionally provided with a sliding rail, and sliding is provided with a sliding block, institute on the sliding rail
Three curved locating pieces are stated to be fixedly connected with the sliding block.
Wherein, the first side of the clamp base is additionally provided with a cylinder, and the cylinder is fixed at the fixture base
On seat, the piston rod of the cylinder is fixedly connected with the sliding block.
Wherein, a sensor is additionally provided on described three curved locating pieces, the sensor is for incuding described three curved positioning
The fitting situation of each positioning surface of block and the corresponding working face.
Wherein, guide groove, the upper clamping limb and the lower clamping are provided on second side inner wall of the clamp base
The first oil cylinder is provided between arm, first oil cylinder is slidably arranged on the guide groove;It is also fixed in the clamp base
It is provided with a support plate, a shaft, the upper clamping limb and the lower clamping are provided at the top and bottom of the support plate
The middle part of arm is rotatably arranged on respectively in the shaft at the top and bottom of the support plate.
Wherein, the piston rod of first oil cylinder is fixedly connected with the support plate.
Wherein, the upper and lower surfaces of first oil cylinder tail portion are provided with cylinder body inclined-plane;The upper clamping limb and
The second end of the lower clamping limb is provided with clamp arm inclined-plane, respectively with the upper and lower surfaces of first oil cylinder tail portion
Cylinder body inclined-plane corresponds.
Wherein, the third side of the clamp base is additionally provided with the second oil cylinder, the piston rod of second oil cylinder with it is described
Side jacking block is fixedly connected.
Above scheme of the invention have it is following the utility model has the advantages that
Spanner positioning fixture of the invention is provided with three curved locating pieces, clamping screw rod and side jacking block, passes through matching for they
Cooperation is used, and can be completed the clamping to Wrench head on vertically and horizontally and be positioned, in order to carry out drilling processing,
It will not be displaced when drilling and deflection;Spanner positioning fixture of the invention is provided with sensor, sensor and each drive
Dynamic structure is electrically connected with a control system, this spanner positioning fixture is completed full-automaticly to multiple Wrench heads
Clamping positioning, with adapt to spanner drilling process line;The design of the structures such as the curved locating piece of of the invention three, clamping limb is closed
It manages, cooperation linking is compact between each positioning element, reliable to the clamping accurate positioning of Wrench head.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is the first cylinder structure schematic diagram of the invention;
Fig. 3 is spanner structure schematic diagram of the invention.
[description of symbols]
1- spanner;101- working face;102- outer surface;2- clamp base;The curved locating piece of 3- tri-;4- positioning surface;On 5-
Clamp screw rod;Screw rod is clamped under 6-;The upper clamping limb of 7-;Clamping limb under 8-;The side 9- jacking block;10- arc locating surface;11- sliding rail;
12- sliding block;13- cylinder;14- sensor;15- guide groove;The first oil cylinder of 16-;17- support plate;18- shaft;19- cylinder body is oblique
Face;20- clamp arm inclined-plane;The second oil cylinder of 21-.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention is only applicable to manual operations for existing spanner positioning device mostly, and efficiency is lower, and positioning accuracy
The not high problem with accuracy provides a kind of spanner positioning fixture, suitable for the drilling processing assembly line of spanner, wherein described
Spanner 1 includes three working faces 101 that inner portion is arranged in and the outer surface 102 being arranged on the outside of head, such as Fig. 3 institute
Show.
As shown in Figure 1, Figure 3, the embodiment provides a kind of spanner positioning fixtures, comprising: clamp base 2;Three
Curved locating piece 3, the three curved locating piece 3 are slidably arranged in the first side of the clamp base 2, set on the three curved locating piece 3
It sets there are three positioning surface 4, the working face 101 of the positioning surface 4 and the spanner 1 corresponds;Clamp screw rod, the clamping spiral shell
Bar includes upper clamping screw rod 5 and lower clamping screw rod 6, is separately positioned on above and below described three curved 3 place planes of locating piece,
The upper clamping screw rod 5 and the lower clamping screw rod 6 are respectively fixedly disposed at clamping limb 7 on one and once the on clamping limb 8
One end, the upper clamping limb 7 and the lower clamping limb 8 are arranged at second side of the clamp base 2;Side jacking block 9, it is described
The third side of the clamp base 2 is arranged in side jacking block 9, and the side jacking block 9 is set close to the side of described three curved locating pieces 3
It is equipped with an arc locating surface 10, the arc locating surface 10 is corresponding with the outer surface 102 of the spanner 1.
Spanner positioning fixture described in the above embodiment of the present invention is pushed up by three curved locating pieces 3, clamping screw rod and side
The cooperation of block 9 is completed the clamping to spanner 1 hole to be drilled and is positioned.Three positioning surfaces 4 being wherein arranged on three curved locating pieces 3, with
Three working faces 101 of 1 inside of spanner correspond, and when spanner 1 is carried to given position, three curved locating pieces 3 are mobile,
So that three positioning surfaces 4 are in contact with corresponding working face 101 and apply extruding force, to adjust the posture of spanner 1, complete to pulling
The correction of 1 head position of hand.The upper clamping screw rod 5 above and below three curved 3 place planes of locating piece is separately positioned on under
Screw rod 6 is clamped, after three curved locating pieces 3 contact 1 head of spanner, separately down with upward 1 head of spanner, is completed to spanner
The clamping positioning of 1 head in the vertical direction.Wherein, upper clamping screw rod 6 and lower clamping screw rod 7 are respectively with setting in clamp base
The upper clamping limb 7 of 2 second side is fixedly connected with the first end of lower clamping limb 8, by the drive that two clamping limb second ends are arranged in
Motivation structure to drive upper clamping limb 7 and lower clamping limb 8, and transmits the supreme clamping screw rod 5 of clamping force and lower clamping screw rod 6 respectively
On, it forms the clamping to 1 head of spanner and positions.Then, the side jacking block 9 of 2 third side of clamp base is set, its side is passed through
The arc locating surface 10 of setting contacts and applies extruding force with the outer surface 102 on the outside of 1 head of spanner, to limit outside spanner 1
The position of side.By the cooperation of three curved locating pieces 3 and arc locating surface 10, formed to the clamping on 1 head level direction of spanner
Positioning, final 1 head of spanner under the collective effect of three curved locating pieces 3, clamping screw rod and side jacking block 9, in vertical direction and
It is clamped positioning in horizontal direction, in order to carry out drilling processing, will not be displaced and deflection in drilling.This hair
Bright spanner positioning fixture, each location structure that clamps is ingenious in design, and cooperation linking is compact, can to the accurate positioning on 1 head of spanner
It leans on.
Wherein, the first side of the clamp base 2 is additionally provided with a sliding rail 11, and it is sliding to be provided with one for sliding on the sliding rail 11
Block 12, the three curved locating piece 3 are fixedly connected with the sliding block 12.First side of the clamp base 2 is additionally provided with a cylinder
13, the cylinder 13 is fixed in the clamp base 2, the piston rod of the cylinder 13 and the fixed company of the sliding block 12
It connects.A sensor 14 is additionally provided on the three curved locating piece 3, the sensor 14 is for incuding described three curved locating pieces 3
The fitting situation of each positioning surface 4 and the corresponding working face 101.
Spanner positioning fixture described in the above embodiment of the present invention, three curved locating pieces 3 pass through the cunning being firmly connected with it
Block 12 is slidably arranged on the sliding rail 11 of 2 first side of clamp base, and is driven by cylinder 13, so that three curved locating pieces 3 can
It slidably reciprocates along sliding rail 11, positioning surface 4 can enter 1 inner portion of spanner and contact with corresponding working face 101, and pass through cylinder
13 apply extruding force.Meanwhile three are also provided with a sensor 14, sensor 14 and control system electrical connection on curved locating piece 3.
After each positioning surface 4 is bonded with corresponding working face 101,14 energy feedback information of sensor to control system, so that control
System issues the limit to 1 outside of spanner of the clamping up and down and side jacking block 9 that instruct and gradually control two clamping screw rods.
As shown in Fig. 2, guide groove 15 is provided on second side inner wall of the clamp base 2, the upper clamping limb 7 and institute
It states and is provided with the first oil cylinder 16 between lower clamping limb 8, first oil cylinder 16 is slidably arranged on the guide groove 15;The folder
It is further fixedly arranged on a support plate 17 on tool pedestal 2, the top and bottom of the support plate 17 are provided with a shaft 18, described
The middle part of upper clamping limb 7 and the lower clamping limb 8 is rotatably arranged on respectively in the shaft 18 of 17 top and bottom of support plate.
The piston rod of first oil cylinder 16 is fixedly connected with the support plate 17.The upper surface of first oil cylinder, 16 tail portion and following table
Face is provided with cylinder body inclined-plane 19;The second end of the upper clamping limb 7 and the lower clamping limb 8 is provided with clamp arm inclined-plane 20,
It is corresponded respectively with the cylinder body inclined-plane 19 of the upper and lower surfaces of 16 tail portion of the first oil cylinder.
Spanner positioning fixture described in the above embodiment of the present invention is provided with the first oil in second side of clamp base 2
Cylinder 16, side of cylinder block are slidably arranged on the guide groove 15 of 2 second side inner wall of clamp base.The piston rod of first oil cylinder 16 with
One support plate 17 for being fixed at 2 second side of clamp base is fixedly connected, therefore the piston rod of the first oil cylinder 16 stretches out, can be anti-
The cylinder body of the first oil cylinder 16 is pushed to slide along guide groove 15 to ground.Wherein, the inner sidewall of the side wall of support plate 17 and clamp base 2
It is fixedly connected, is provided with a shaft 18 in the top and bottom of support plate 17, the middle part of upper clamping limb 7 and lower clamping limb 8 is equal
A shaft hole is offered, and is respectively sleeved in corresponding shaft 18 by shaft hole, so that upper clamping limb 7 and lower clamping limb 8
It can be rotated around corresponding shaft 18.In addition, the upper and lower surfaces in the cylinder body tail portion of the first oil cylinder 16 are provided with cylinder body
Inclined-plane 19, it is corresponding with the clamp arm inclined-plane 20 that upper clamping limb 7 and lower 8 second end of clamping limb are arranged respectively.When the first oil cylinder 16
When piston rod stretches out, second end sliding of the cylinder body to two clamping limbs can be oppositely pushed.When the cylinder body of the first oil cylinder 16 slides
When to certain position, upper and lower two cylinder body inclined-planes 19 contact and apply extruding force with corresponding clamp arm inclined-plane 20 respectively, so that on
The second end of clamping limb 7 is tilted upward, and the second end of lower clamping limb 8 is pressed downward, and is rotated rotating around corresponding shaft 18.Due to thick stick
The first end of rod principle, upper clamping limb 7 will be pressed downward, and the first end of lower clamping limb 8 will push up upwards, respectively drive clamping
Screw rod 6 and lower clamping screw rod 7 are clamped positioning to 1 head of spanner in the vertical direction.
Wherein, the third side of the clamp base 2 is additionally provided with the second oil cylinder 21, the piston rod of second oil cylinder 21 with
The side jacking block 9 is fixedly connected.
Side jacking block 9 described in the above embodiment of the present invention is driven by the second oil cylinder 21, so that side jacking block 9 can
Moving direction on the bottom plate of clamp base 2 along 21 piston rod of the second oil cylinder slidably reciprocates, with the outer profile to 1 head of spanner
Face 102 is limited.
Spanner positioning fixture of the invention, cylinder 13, the first oil cylinder 16 and the second oil cylinder 21 are electrically connected with a control system
Connect, control system enabled integrally to control each clamping location structure on spanner positioning device, in an orderly manner to 1 head of spanner into
Row clamps positioning, and unclamps and reset after the completion of drilling, to adapt to drilling process lasting on assembly line.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.