JP3166977U - Vice - Google Patents

Abstract

An object of the present invention is to provide a vice which enables a plurality of workpieces to be set on a machine tool while being held and held by one vise at the same time, thereby reducing costs. A vice body 2 serving as a base, a fixed base 3 fixed on the vise body 2, a movable base 4 movable to the fixed base 3 side, and a plurality of workpieces held and fixed, respectively. In order to make the movable base 4 opposed to the fixed base 3 oppose the fixed base 3, the plurality of blocks 6 arranged in parallel with the movable base 4 and each of the plurality of workpieces are connected to the block 6 and the fixed base 3. And a block body moving mechanism for individually holding and fixing the blocks. [Selection diagram] Fig. 1

Description

  The present invention relates to a vise that holds and fixes a plurality of workpieces to be machined with a machine tool at the same time.

  Conventionally, a vise that clamps and fixes a workpiece on a table of a machine tool is generally fixed to one end of a frame, and a movable base is guided by the frame and screwed to a screw shaft. A vise for machine tools is known that is close to and away from a fixed base (see Patent Document 1).

JP-A-6-143150

  However, since such a vise for machine tools has only one workpiece to be held between the fixed base and the movable base, a large number of workpieces cannot be processed continuously.・ There is a current situation that requires frequent replacement work for removal, which is an obstacle to cost reduction. There is a need for a vice proposal that can improve this situation and reduce costs.

  In view of the above problems, it is an object of the present invention to provide a vise that enables a plurality of workpieces to be set on a machine tool while being held and held by a single vise at the same time, thereby reducing costs. .

  In order to solve the above problems, the vice of the present invention is a base vise main body, a fixed base fixed on the vice main body, and disposed on the vice main body facing the fixed base. In order to sandwich and fix a plurality of workpieces positioned between the fixed base and the movable base in cooperation with the movable base that is movable with respect to the fixed base side, and the fixed base, A plurality of block bodies juxtaposed in a horizontal direction intersecting the moving direction of the movable base at the tip facing portion of the movable base opposed to the fixed base, and each of the plurality of block bodies is arranged on the fixed base side. And a block body moving mechanism for moving each of the plurality of workpieces to be individually clamped and fixed by the block body and the fixing base.

  With the above-described configuration, a plurality of workpieces can be individually clamped and fixed, so that the number of setup changes is reduced, and the cost can be reduced by saving labor. In addition, since the block body for fixing the workpiece can be moved individually, it is possible to set an arbitrary number of workpieces without necessarily setting the workpieces by the number of the block bodies. It is good.

  In the vice of the present invention, as the block body moving mechanism, an inclined surface is formed on the block body, a guide inclined surface is formed on the movable base, and the inclined surface is slidably contacted with the guide inclined surface. In this state, the block body is moved downward toward the vice body, thereby pressing the work piece in the block body so as to press the work piece when the work piece is sandwiched and fixed. The present invention is characterized in that an external force obliquely downward is applied to the workpiece.

  With the above configuration, the workpiece is lifted upward during machining with a cutting tool such as a drill, an end mill, or a milling tool, for example, with respect to the workpiece sandwiched and fixed between the fixed base and the block body of the movable base. Even if a sag occurs, an obliquely downward external force is always applied to the work piece, so that it can be suppressed, thereby maintaining a good holding state of the work piece and providing a vice free from machining defects. .

  Further, in the vice of the present invention, the block body has a bottomed concave shape toward the inside of the movable base, which is opened upward while being opened toward the fixed base side at the tip-facing portion of the movable base. It is arranged in the tip recess formed in the notch, and in this state, the inner wall surface in the tip recess is the guide inclined surface formed in an inclined shape so as to become lower as it approaches the fixed base side, The rear surface of the block body opposite to the pressing tip surface is the inclined surface, and the inclined surface is slidably contacted with the guide inclined surface, and the block body is moved downward to push out the pressing tip surface. It is characterized by that.

  By adopting the above configuration, the block body arranged in the tip recessed portion is easily formed and removed because the tip recessed portion is opened and cut in two directions. Further, the external force applied for the block body can be applied by the downward movement of the block body, and therefore, a screw means with a simple structure can be adopted to lower the block body. And if it is a screw means, a block body and a to-be-processed object can be hold | maintained and fixed to an exact position reliably by being able to pinch and fix while visually observing from upper direction.

  In the vice of the present invention, the block body moving mechanism is inserted into an elastic member for urging the block body upward, a bolt insertion hole penetrating up and down the block body, and the presence of the presence. An adjustment bolt that is screwed into a screw hole formed in the bottom wall portion in the bottom concave recess, and the biasing force of the elastic member by a bolt axial force applied to the block body by the screwing of the adjustment bolt The block body is moved so as to balance it.

  With the above configuration, the block body can always move while being urged by the elastic member, there is no backlash between the adjusting bolt and the screw hole, and the operability is constant, so the operability is good. .

  In the vice of the present invention, the movable base including the block body can be detached from the vice body, and the movable base can be used alone as a jack.

  By adopting the above configuration, the movable base of the vice can be used in two ways: a workpiece clamping function and a lifting function, so that a vise having multiple functions can be provided.

The external view which shows the whole vice which concerns on this invention. FIG. 2 is a schematic cross-sectional view of the vise of FIG. 1. The exploded block diagram of the block body moving mechanism which moves a block body. Sectional drawing of a block body moving mechanism. The figure which shows the modification of the press front end surface of a block body. The figure which shows the state which uses a movable nozzle | cap | die alone as a jack.

  Hereinafter, embodiments of the invention will be described with reference to the drawings. FIG. 1 is an external view showing the entire vice according to the present invention. A vise 1 shown in FIG. 1 is mounted and fixed on an upper surface T1 as a table T of a machine tool such as a milling machine, a drilling machine, a grinding machine, a planer, an electric discharge machine, or a machining center. In the following description of this example, the table T is described as being in a horizontal position.

  The vice 1 includes a vise main body 2 serving as a base that is placed and fixed on the upper surface T1 of the table T, a fixed base 3 fixed to one end of the main body upper surface 2a on the vice main body 2, and the fixed base. 3, a movable base 4 that is detachably disposed on the other end side of the main body upper surface 2 a of the vice main body 2 and is movable (approaching / separating) with respect to the fixed base 3 side.

  The vice main body 2 has a back surface 2b for placing the table T on the top surface T1 of the table T in a surface contact state. A fixed wall portion 2c for fixing the fixed base 3 is formed on one end side of the vice main body 2, and a screw member 5 is disposed on the other end side.

  The movable base 4 can be moved by the turning operation of the screw member 5. During this movement, the movable base 4 is also moved horizontally along the upper surface T1 of the table T set in a horizontal state by being guided by the main body upper surface 2a of the vice main body 2.

  In addition, a block body 6 is provided for clamping and fixing a plurality of workpieces W positioned between the fixed base 3 and the movable base 4 in cooperation with the fixed base 3. This block body 6 has four ends in the horizontal direction intersecting this moving direction in a state where the moving direction of the movable base 4 is horizontal at the tip facing portion 4a of the movable base 4 opposed to the fixed base 3 in this example. The pieces are arranged side by side.

  A block body moving mechanism 7 is provided that moves each of the plurality of block bodies 6 closer to the fixed base 3 side and holds and fixes each of the plurality of workpieces W individually by the block body 6 and the fixed base 3. ing.

  As shown in FIG. 4, the block body moving mechanism 7 is formed on the workpiece W by a pressing front end surface 6 a that protrudes to press the workpiece W in the block body 6 when the workpiece W is clamped and fixed. On the other hand, an external force F obliquely downward is also applied. The pressing front end surface 6a has a planar shape and is polished.

  As shown in FIGS. 2 and 3, the block body 6 is directed toward the inside of the movable base 4 that is opened upward while being opened toward the fixed base 3 at the tip facing portion 4 a of the movable base 4. It is disposed in the tip recess 4b that is formed in a bottomed recess.

  In the state where the block body 6 is disposed in the tip recess 4b, the guide is formed in an inclined shape so that the back wall surface on the side away from the fixed base 3 in the tip recess 4b becomes lower as it approaches the fixed base 3 side. It is set as the inclined surface 4b1.

  Further, the block body 6 is formed in a rectangular column shape having a substantially rectangular cross section, the rear surface on the opposite side of the pressing front end surface 6a is an inclined surface 6b, and the inclined surface 6b is in sliding contact with the guide inclined surface 4b1, As shown in FIG. 4, when the block body 6 is moved downward by screw means described later, the pressing tip surface 6a is configured to protrude.

  This downward movement direction is toward the main body upper surface 2a side of the vice main body 2. When the work W is sandwiched and fixed by this downward movement, the downward movement is performed by the pressing front end surface 6a that presses the work W in the block body 6. An external force F directed obliquely downward with respect to the workpiece W is also applied.

  Further, the block body moving mechanism 7 is an elastic member between the bottom wall portion 4b2 in the tip recess portion 4b formed in a bottomed recess shape in order to urge the block body 6 disposed in the tip recess portion 4b upward. A spring 8 as a compression spring is interposed. The upper and lower spring ends of the spring 8 are mounted on the upper seat surface 6c provided in the bottom of the block body 6 and the lower seat surface 4b3 provided in the bottom wall 4b2 of the tip recess 4b of the movable base 4. Has been.

  The block body 6 is formed with a bolt insertion hole 6d penetrating vertically. Then, adjustment that is a screw means that is screwed into the screw hole 4b4 formed through the bottom wall portion of the bottomed recessed tip recess 4b with the spring 8 interposed, via the bolt insertion hole 6d. A bolt 9 is provided. Using the wrench R inserted into the bolt head of the adjustment bolt 9 and rotating the adjustment bolt 9, the block body is balanced with the urging force of the spring 8 by the bolt axial force applied to the block body 6. 6 is moved.

  As shown in FIG. 4, the adjustment bolt 9 for moving the block body 6 can be clamped and fixed by rotating the block body 6 and the workpiece W while simultaneously observing the block body 6 and the workpiece W from above (as shown in the drawing). It becomes.

  Further, in this example, the protruding amount L of the pressing front end surface 6a in the block body 6 is set to about 0.5 mm, and therefore, between the shaft diameter of the adjusting bolt 9 and the inner diameter of the bolt insertion hole 6d. Is provided with a predetermined gap. Further, the inclined surface 6b of the block body 6 and the surfaces of the guide inclined surface 4b1 of the tip recess 4b are each polished and the sliding is smoothly maintained by using a lubricant.

  Further, as shown in FIG. 4, as the inclination angle θ of the inclined surface 6b of the block body 6 according to this example and the guide inclined surface 4b1 of the tip recess 4b, the protruding amount L is set to about 0.5 mm. The vertical axis C is preferably about 9 degrees.

  Further, the pressing front end surface 6a of the block body 6 is not limited to a planar form, and is formed in a convex curved surface shape or a concave curved surface shape corresponding to the shape of the workpiece W in the planar view configuration of the block body 6 shown in FIG. It is also possible to do.

  The vise 1 configured as described above is used by being fixed to the upper surface T1 of the table T, and the raising jig 10 is disposed on the main body upper surface 2a of the vice main body 2 of the vice 1 so that the workpiece W is placed thereon. The height of the machine tool is adjusted by machining with a cutting tool (not shown).

  Then, the workpiece W is placed on the raising jig 10, and then the movable base 4 is moved to the workpiece W on the fixed base 3 side by rotating the screw member 5 (see FIG. 1). 6 is approached. Further, a wrench R is inserted into the bolt head of the adjusting bolt 9, and the block body 6 is pushed out by rotating using the wrench R. By the pressing front end surface 6 a of the block body 6 and the fixed base 3. Each workpiece W is clamped and fixed.

  Moreover, it can replace with the raising jig | tool 10 and the movable nozzle | cap | die 4 itself can be used. As shown in FIG. 6, the movable base 4 itself is removed from other components (such as the screw shaft 5), and the upper surface of the vice main body 2 with the pressing front end surface 6a of the block body 6 facing upward as shown in FIG. The workpiece W is placed on the movable base 4 and placed on the movable base 4, and the adjustment bolt 9 is rotated as described above to cause the block body 6 to be pushed out. It will be used alone as a jack whose height position can be adjusted.

  As mentioned above, although embodiment of this invention was described, these are only illustrations to the last, this invention is not limited to these, and each embodiment is implemented for description of this invention. The configurations described as part of the form can be used in another embodiment and further combined into another embodiment.

DESCRIPTION OF SYMBOLS 2 Vice main body 2a Upper surface of main body 3 Fixed base 4 Movable base 4a Front end facing part 4b Front end recessed part 4b1 Guide inclined surface 6 Block body 6a Press front end surface 6b Inclined surface 6d Bolt insertion hole 7 Block body moving mechanism 8 Spring (elastic member)
9 Adjustment bolt

Claims (5)

The base vice body,
A fixed base fixed on the vice body;
A movable base disposed on the vice body opposite the fixed base and movable relative to the fixed base;
In order to sandwich and fix a plurality of workpieces positioned between the fixed base and the movable base in cooperation with the fixed base, at the tip facing portion of the movable base facing the fixed base, A plurality of block bodies arranged in parallel in the horizontal direction intersecting the moving direction of the movable base;
A block body moving mechanism for moving each of the plurality of block bodies closer to the fixed base side and individually clamping and fixing each of the plurality of workpieces by the block body and the fixed base;
A vice characterized by comprising:   As the block body moving mechanism, an inclined surface is formed on the block body, a guide inclined surface is formed on the movable base, and the block body is slid in contact with the guide inclined surface. By moving downward toward the vice body, the work piece in the block body is pushed obliquely downward so as to press the work piece when the work piece is clamped and fixed. The vise according to claim 1, wherein an external force in a direction is also applied. The block body is opened upward toward the fixed base side at the front end facing portion of the movable base, and is opened upward, and is formed in a concave portion at the front end that is notched into the bottom of the movable base. Are located in
In this state, the rear wall surface in the tip recess is the guide inclined surface formed in an inclined shape so as to become lower as it approaches the fixed base side, and the rear surface on the opposite side of the pressing tip surface of the block body is the The vise according to claim 2, wherein the vice is configured such that an inclined surface is formed, and the inclined surface is brought into sliding contact with the guide inclined surface and the block body is moved downward to push out the pressing tip surface. The block body moving mechanism is inserted into an elastic member for urging the block body upward, and a bolt insertion hole penetrating up and down the block body, and a bottom in the bottomed concave recess portion. An adjustment bolt that is screwed into a screw hole formed in the wall,
The vise according to claim 2 or 3, wherein the block body is moved so as to be balanced with the urging force of the elastic member by a bolt axial force applied to the block body by screwing of the adjusting bolt.   The vise according to any one of claims 1 to 4, wherein the movable base including the block body is removable from the vice body, and the movable base can be used alone as a jack.

Images