A kind of bench vice mechanism
Technical field
The present invention relates to field of fixtures, more particularly, are related to a kind of multi-functional bench vice mechanism.
Background technology
Fixture has very important influence to the precision of all kinds of processing and manufacturing products and efficiency.Bench vice is whether to exist
It is common clamping device in field of machining or other field, and in the sample operating process of Medical orthopedic,
Bench vice is also a kind of essential machining tool.
Bench vice is applied in human body specimen making, the second edition of Li Zhonghua, Wang Xinghai chief editor《Anatomy technology》Book
In, the sawing chapters and sections of bone have been introduced, specially:In order to further display each portion's form and internal structure on bone road, often will
Certain bone blocks carry out Cutting indexes.Common tool is pincers worker steel silver, carpenter's saw, steel wire silver, saw blade or craniotome etc..With saw
Road is narrow, damages sclerotin less, and silver cuts flat with whole be advisable.Fixed bone specimen should be equipped with bench vice or other Special clamping equipment.
However, bench vice is to be designed processing according to screw thread self-locking principle mostly at present, this kind of bench vice mainly by
The compositions such as fixed caliper, moving caliper, lead screw, nut, jaw parallels, pedestal and spanner, are driven by handle rotary screw rod
Moving caliper tandem moves, and lead screw, which rotates a few, Workpiece clamping and will loosen.For example making pelvic cavity median sagittal
This when of trimscript, fixes hipbone soft tissue both sides with bench vice, after gripping sample, then technical operation is carried out, at this time right
Osteocomma carries out in lossless clamping process, if the applied force error of lead screw is larger, is easy the Weak points of touching osteocomma or even makes whole
The manufacture of a sample is damaged, and in subsequent bony part sawing, also need to tighten bench vice, if at this moment bench vice lead screw
Operation so that sample excessively swing, cause section to be deviateed, can also influence anatomical structure exposure it is unintelligible, not exclusively.
Although there are also can be to the device that osteocomma class workpiece is clamped, the control accuracy of these equipment at present
Opposite shortcoming, the stability of clamping do not reach requirement, and universal performance is poor, and control system is complicated, cost is excessively high.Therefore, for this
One present situation, there is an urgent need to develop a kind of multi-functional Orthopedic medical bench vices, to meet the needs of actual use.
Invention content
Therefore, in view of the shortcomings of the prior art, providing the example of the present invention to substantially solve since correlation is led
One or more problems, safety and reliability increase substantially caused by the limitation in domain and disadvantage, effectively play guarantor
Protect the effect of equipment.
According to technical solution provided by the invention, which includes vice body, and vice body is equipped with pincers block surely and dynamic pincers
Block, wherein block is clamped surely to be connected with vice body by connector, dynamic pincers block can reciprocatingly slide on vice body, and counterbore is offered on vice body,
The counterbore is combined with floatation element, and floatation element includes pedestal, and at least two through-holes are offered in pedestal, are equipped in each through-hole
Supporting leg, there are one top caps, top cap to reciprocatingly slide on pedestal for socket above pedestal, top cap lower part be equipped with each of on pedestal
The corresponding deep gouge of lead to the hole site, supporting leg are located in the deep gouge, and spring is additionally provided between supporting leg and the top of deep gouge, move pincers block packet
Vertical part and the horizontal part is included, is set in the middle part of horizontal part there are one rectangular straight slot, is partially disposed in rectangular straight slot in top cap, top cap
Top be continuous arc, the top both sides of top cap distinguish it is parallel be equipped with one piece of flap, the bottom surface of flap is equipped with the top with top cap
The matched continuous arc of arc in portion, two pieces of flaps tops, which are integrally formed, to be set there are one switch block, and the middle part of switch block is equipped with perforation
Hole, is equipped with a push rod in the through hole, and the end of push rod is a thrust ball, on thrust ball activity be connected with one and cut somebody's hair,
It is supreme and have a surface groove being connected with rectangular straight slot on vertical portion, cut somebody's hair can remain contact in surface groove
Upper sliding, flap section is located in rectangular straight slot, and when flap turns to extreme position, the end face of flap can be logical with rectangle
The end face of slot is inconsistent.
Further, the end cut somebody's hair is a circular slab, which slides on surface groove, when the vertex of circular slab with
When the either flush of surface groove, flap turns to extreme position.
Further, the via bottoms side in pedestal is inclined surface, and the top of supporting leg is column construction, the column construction
In the deep gouge of top cap, the lower part of supporting leg is trapezium structure, and inclined-plane and the via bottoms side of the trapezium structure coordinate, pedestal
Bottom surface be located at the top of supporting leg bottom surface.
Further, the left end of vice body has the protrusion contour with the vertical portion of dynamic pincers block, clamps block surely by fastening spiral shell
Bolt is connected with the protrusion.
Further, the clamping face for clamping block and/or dynamic pincers block surely is equipped with protection buffering mantle.
Further, the rear that push rod is located at switch block is telescopic multi-section sleeve form.
Further, pass through round-corner transition between rectangular straight slot and surface groove.
Further, the central part of the horizontal part for the dynamic pincers block stated is equipped with oval elongated slot.
Further, it further includes the anchor ear being connected with circular slab to cut somebody's hair, and thrust ball can roll in the inner cavity of anchor ear, push away
Power ball outer rim projects to outside anchor ear, and thrust ball can not only contact with anchor ear but also without departing from anchor ear.
The present invention solves the problems, such as to be clamped during orthopaedics preparation of specimen, which includes pincers
Body clamps block, dynamic pincers block, floatation element, flap, switch block, push rod, cuts somebody's hair surely, in the cooperation of floatation element and is pushed away by flap
The double action of head and dynamic pincers block supported, ensure that the stability of clamped workpiece, ensure that the precision and securely of clamping, and
And the bench vice mechanism can lock clamped part, effectively prevent the shaking of clamped workpiece, ensure that the need of subsequent operation
It asks, whole process is easy to operate, precise structure, is capable of the operation for completing orthopaedics preparation of specimen process of high standard.
Description of the drawings
Fig. 1 is the main schematic diagram of bench vice mechanism of the present invention.
Fig. 2 is the bench vice mechanism side schematic view of the present invention.
Fig. 3 is the bench vice mechanism section overlooking surface schematic diagram of the present invention.
Fig. 4 is the in-house schematic diagram of bench vice of the present invention.
Specific implementation mode
The present invention is further explained in the light of specific embodiments.
Below with reference to specific implementation mode shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously
The present invention is not limited, structure that those skilled in the art are made according to these embodiments, method or functionally
Transformation is included within the scope of protection of the present invention.Below in conjunction with the accompanying drawings and specific embodiment to the present invention application principle make into
One step describes.
Bench vice mechanism includes vice body 1, and vice body is equipped with pincers block 2 surely and dynamic pincers block 3, wherein clamps block 2 surely and passes through connector
It is connected with vice body 1, dynamic pincers block 3 can reciprocatingly slide on vice body 1, and this method of clamping and type of drive are for bench vice
Extremely common mode, details are not described herein.
Offer counterbore on vice body 1, which is combined with floatation element 4, as its name suggests, floatation element can on float downward
It is dynamic.Specifically, floatation element 4 includes pedestal 4-1, at least two through-holes are offered in pedestal 4-1, supporting leg is equipped in each through-hole
There are one top cap 4-3, top cap 4-3 to reciprocatingly slide on pedestal 4-1 for socket above 4-2, pedestal 4-1, and the lower parts top cap 4-3 are equipped with
Deep gouge corresponding with each lead to the hole site on pedestal 4-1, supporting leg 4-2 are located in the deep gouge, the top of supporting leg 4-2 and deep gouge
Between be additionally provided with elastomer 4-4, such as spring or wind spring, be partially disposed in rectangular straight slot on top cap 4-3, top cap 4-3's
Top is continuous arc.
Dynamic pincers block 3 includes vertical portion 3-1 and horizontal part 3-2, is set in the middle part of horizontal part 3-2 there are one rectangular straight slot, is floated
It is partially disposed in rectangular straight slot on the top cap 4-3 of component 4, parallel be equipped with is distinguished in the top both sides of the top cap 4-3 of floatation element 4
One piece can be equipped with the matched company of arc with the top of top cap 4-3 relative to the flap 5 of top cap 4-3 rotations, the bottom surface of flap 5
Continuous arc, 5 top of flap, which is integrally formed, to be set there are one switch block 6, and the middle part of switch block 6 is equipped with through hole, and push rod 7 passes through the through hole
Supreme on the 3-1 of vertical portion and have a surface groove being connected with rectangular straight slot with 8 living hinges of cutting somebody's hair, cutting somebody's hair 8 can begin
What is be kept in contact eventually slides on surface groove, and 5 part of flap is located in rectangular straight slot, and the straight length of rectangular straight slot, which is more than to work as, to be pushed away
Straight length between when head left end to 6 right end of switch block is horizontally arranged, as a kind of working condition, when flap 5 turns to
When extreme position, the end face of flap 5 can be inconsistent with the end face of rectangular straight slot.This is that involved extreme position is when circle
When the either flush of the vertex of shape plate and surface groove, flap 5 turns to extreme position.
As further technical solution, the end of push rod 7 is a thrust ball, on thrust ball activity be connected with one and push away
First 8,8 end of cutting somebody's hair is a circular slab, which slides on surface groove, and it 8 further includes being connected with circular slab to cut somebody's hair
Anchor ear 8-1, thrust ball can roll in the inner cavity of anchor ear 8-1, and thrust ball outer rim projects to outside anchor ear 8-1, and thrust ball both can be with
It is contacted with anchor ear 8-1 and without departing from anchor ear 8-1.
As further technical solution, the via bottoms side in pedestal 4-1 is inclined surface, and the top of supporting leg 4-2 is
Column construction, the column construction are located in the deep gouge of top cap 4-3, and the lower part of supporting leg 4-2 is trapezium structure, the trapezium structure it is oblique
Face coordinates with via bottoms side, and the bottom surface of pedestal 4-1 is located at the top of the bottom surfaces supporting leg 4-2.
The left end of vice body 1 has the contour protrusions of vertical portion 3-1 with dynamic pincers block 3, clamp surely block 2 by fastening bolt with
The protrusion is connected.
Surely the clamping face for clamping block 2 and/or dynamic pincers block 3 is equipped with protection buffering mantle, the table for protecting clamped workpiece
Face.
The rear that push rod 7 is located at switch block 6 is telescopic multi-section sleeve form, can be carried out according to the actual conditions of force
Adjust the length of push rod.
By round-corner transition between rectangular straight slot and surface groove, there is a rational transition buffer for cutting somebody's hair, and
And it cuts somebody's hair convenient for protection.
In order to which for clamping process, there are one better reference, the central part for moving the horizontal part 3-2 of pincers block 3 is equipped with ellipse
Shape elongated slot.
As the further application of above-described embodiment, realize that the operating procedure of above-mentioned bench vice mechanism is as follows:
A. dynamic pincers block is pushed to be slided to the left along vice body manually so as to clamp the clamping opening for forming suitable dimension between block and dynamic pincers block surely;
B. the workpiece to be operated is positioned in the clamping opening formed between fixed pincers block and dynamic pincers block, workpiece is adjusted to required
Position;
C. manual hold lives one end of push rod, presses down on rotation, and push rod drives switch block movement at this time, then drives flap to floating
The top cap of dynamic component relatively rotates, and at this moment top cap will be by downward pressure, and to compresses elastomeric, elastomer is compressed
Length shortens afterwards, at this moment top cap will the slide downward displacement on the inclined outer surface of pedestal, since floatation element is to bottom
It moves, to cut somebody's hair along surface groove upward sliding under the action of active force, at the same time, moves the vertical portion of pincers block in the work cut somebody's hair
With lower forward movement;
D. when the vertical portion of dynamic pincers block is contacted with workpiece, continuing to press down on rotating push-rod, push rod drives switch block movement at this time,
Top cap continues to apply pressure to elastomer downwards, and length continues to shorten after elastomer is compressed, and at this moment top cap will be in pedestal
Inclined outer surface on continue slide downward displacement, since the thrust ball cut somebody's hair can freely be lived in the hoop with push rod
It is dynamic, thus cut somebody's hair and still can continue under the action of active force along surface groove upward sliding, when the system height for the circular slab cut somebody's hair
Point and surface groove either flush when, that is, reach capacity position when, the end face of flap and the end face of rectangular straight slot are inconsistent,
Complete clamping process of the bench vice to workpiece;
E. next step operation is carried out according to job requirements;
F. after the completion of operation, manual hold lives one end of push rod, continues upward lifting rotation, and push rod drives switch block fortune at this time
It is dynamic, then drive flap to relatively rotate the top cap of floatation element, since top cap is by upward lifting, elastomer under tension
Length is gradually restored afterwards, and at this moment top cap will shift up sliding on the inclined outer surface of pedestal, then the top of floatation element
Cap is shifted up under the action of pulling force up to setting back, and is then cut somebody's hair under the action of active force along surface groove slide downward
Until lowest point;
G. dynamic pincers block is pushed to be slided to the right along vice body manually so that the clamping opening formed between block and dynamic pincers block is clamped surely to be gradually expanded,
Workpiece is taken out, whole operation process is completed.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiments and description only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its waits
Effect object defines.