KR100655949B1 - The hydraulic jig vice - Google Patents

Abstract

A hydraulic jig vice is provided to easily fix the object by movably mounting the clamp assembly on the bed and to prevent the fixing strip and clamp assemblies from being moved by forming the thread-shaped binding stopper at both ends of the bed. A hydraulic jig vice(100) comprises a fixing strip assembly(110) connected with a hydraulic or pneumatic unit to a fixing strip unit(113) divided to simultaneously open a fixing strip(115) through pressing operation of a pressing body(114); a clamp assembly(140) corresponded with the fixing strip assembly to fix the object; a bed(160) formed with a transfer rail(161) at both ends to move the fixing strip and clamp assemblies; and guide members(146) installed at the lower end of the fixing strip and clamp assemblies to be corresponded with the transfer rail of the both ends of the bed. A driving unit is installed at both ends of the flotation fixing strip and clamp assemblies.

Description

Hydraulic jig vice {The hydraulic jig vice}

1 is a perspective view and a cross-sectional view showing a schematic configuration of a conventional vise device.

Figure 2 is a perspective view schematically showing another conventional vise device.

Figure 3 is a schematic view showing a jig vice of the present invention.

Figure 4 is a cross-sectional view and "a", "b" detail view of the fixing bath assembly of the jig vice of the present invention.

Figure 5 is a perspective view of the clamp assembly of the jig vice of the present invention and "c", "d" detail view.

Figure 6 is a plan view and main details of the bed of the jig vice of the present invention.

7 and 8 is an operating state of the jig vice according to the present invention.

9 is a state in which the workpiece is fixed by the hydraulic jig vice of the present invention.

Figure 10 is a state diagram of the operation of the fixing tank of the jig vice according to the present invention

11 is another embodiment of the fixing tank of the jig vice according to the present invention, (a) is a perspective view, (b) is an exploded perspective view, (c) is a cross-sectional view.

12 is another embodiment of a clamp assembly according to the present invention.

Figure 13 shows another embodiment of a clamp assembly according to the invention

14 is another embodiment of a bed according to the present invention.

15 is another embodiment of a bed according to the invention

Explanation of symbols on the main parts of the drawings

100. Jig vice 110. Fixture assembly

111. Fasteners for fasteners 112. Fasteners

113. Fixed Tank Unit 114. Pressurized Body

115. Fixing Tank 117. Pressing Bolt

118, 143. Fixing bolts 119, 144. Seating groove

120, 145, 163. Stoppers 121, 146. Guide members

122, 147. Nut groove 123, 148. Through hole

124, 149. Hanging jaws 125, 150. Circular bodies

126, 151. Springs 127, 152. Seals

130. Cylinder 131. Piston

132. Cylinder cap 133. Sealing member

134, 134a. Pneumatic supply hole 140. Clamp assembly

141. Clamping member 142. Mounting member

160. Bed 161. Transfer rail

162. Coupling protrusions 164, 164a. Stroke adjustment groove

165. Ruler 215. Fixture

216. Jaw 217. Fixing Body

218. Jaw recess 219. Jaw joint

330, 340. Clamp Assemblies 331. Clamp Assemblies

333. Chip outlet 335. Clamp jaw groove

337, 347. Stopper member fixing part 361. Stopper member

363, 463. Stopper 460. Bed

461. Bed groove 462. Coupling protrusion

A. Workpiece

The present invention relates to a hydraulic jig vice for clamping a workpiece by using hydraulic pressure, and more specifically, a hydraulic pressure means is installed in each of the fixed tank units, each of which is fixed so that the fixing tank is simultaneously expanded through the pressurizing action of the pressure body by the hydraulic pressure. The fixed bath assembly and the clamp assembly corresponding to the fixed bath assembly to be movable on a bed so that the workpieces can be fixed by the fixing bath assembly are installed so as to move the workpiece using the hydraulic pressure acted through the hydraulic pressure means. The present invention relates to a hydraulic jig vice in which the workpiece to be clamped by the expansion of the fixing tank of the unit unit constituting the fixing tank assembly can be clamped downward without being injured and completely clamped.

In general, the vise device for machine tools is used to fix the workpiece to be processed by installing on the bed surface of a large machine, such as a machining center, NC milling, etc. The conventional vise device is shown in FIG. Likewise, a plurality of body 3 of the vise device is mounted in the front and rear direction on the plate 2 mounted on the bed 1 of the machine tool and the clamp member 4 as the bolt 5 on the upper side of the body 3. It is configured to fasten the workpiece (7) by, in particular, the protruding jaw portion (3a) is formed on the side of the body 3, the screw hole (3b) in the vertical direction in the center of the body (3) Formed.

Then, in order to fix the workpiece 7 to the conventional vise apparatus configured as described above, the workpiece 3 is placed on the protruding jaw portion 3a between the bodies 3, and then the body 3 as a bolt 5. When the clamp member 4 located on the upper side is fastened to the body 3, the lower portion of the clamp member 4 compresses the workpiece 7 toward the protruding jaw portion 3a.

However, in the above-described conventional vise apparatus, since the heads of the clamp member 4 and the bolt 5 are located above the body 3, the processing means (not shown) in processing the workpiece 7 is provided. The moving distance of the shortened, especially when moving the processing means to process the next workpiece (7) is caught by the head of the clamp member 4 and the bolt (5) due to this processing means or clamp member ( 4), there was a big problem that the bolt (5) is broken.

In addition, since the projection jaw portion 3a is integrally formed on the body 3, the workpiece 7 is fixed between the upper surface of the projection jaw portion 3a and the lower surface of the clamp member 4, so that one vise It is very difficult to fix the workpieces 7 of various shapes with the device, and in order to fix the workpieces 7 of the specific shape, a body 3 suitable for fixing the workpieces 7 is manufactured separately. There was also a cumbersome problem, such as the need to use.

Further, in fixing the workpieces 7 having different thicknesses using the conventional vise apparatus, the workpieces having different thicknesses, together with the trouble of using an auxiliary member (not shown) so that the thicknesses of the workpieces 7 are the same. There was also a problem that it was very difficult to fix (7) reliably.

In the case of the conventional vise device configured as described above, as the bolt 90 is tightened, the wedge member 60 fitted to the main body 30 descends and the jaw of the crimping member 50 located outside the wedge member 60 is formed. 52) is secured, and the workpiece positioned between the main body 30 and the subsidiary body 70 is pressed and fixed to the subsidiary body 70, thereby maintaining the workpiece regardless of the thickness or shape of the workpiece. It can be fixed securely, and because it does not protrude high from the surface of the workpiece, the processing means (not shown) for processing the workpiece can be approached to the workpiece, the second support plate body 80 for supporting the workpiece ) Is fastened to the auxiliary body 70 so that it can be decomposed, there is an advantage such that the workpiece of various forms can be easily fixed by replacing only the second support plate body 80.

However, in the case of the conventional vise device (Registration No. 0396935), the main body 30 and the auxiliary body 70 is not made to be movable from the surface of the plate 20, the main body 30 And the auxiliary body 70 corresponding to the main body 30 are fixed to the plate 20 by fixing bolts 72, respectively, so that the main body 30 and the auxiliary body 70 It can be fixed only the workpiece of the size that fits the gap between, if the size of the workpiece is larger or smaller than the interval between the pre-set main body 30 and the auxiliary body 70 is very difficult to fix it There is, in particular, when fixing the workpiece larger than the distance between the main body 30 and the auxiliary body 70, the auxiliary body 70 fixed to the plate 20 by the fixing bolt 72 After separation to fit the workpiece There was a troublesome problem such as fixing the separate auxiliary body 70 narrowed to the plate 20 to maintain the gap and then fixing the workpiece.

In addition, when fixing the workpiece smaller than the distance between the main body 30 and the auxiliary body 70, the auxiliary body 70 is fixed to the plate 20 by the fixing bolt 72 as described above After the separation) to secure a separate auxiliary body 70 is widened to the plate 20 to maintain the gap to match the size of the workpiece, or the workpiece and main body 30 and the auxiliary There was also a troublesome problem such as fixing the workpiece in a state in which an auxiliary member (not shown) capable of filling the gap of the body 70 was inserted.

As described above, in order to fix the workpiece larger or smaller than the distance between the main body 30 and the auxiliary body 70 using the conventional vise apparatus (Registration No. 0396935), the blood as described above. Since the auxiliary body 70 is separated from the plate 20 so as to maintain an interval corresponding to the size of the work piece, it is necessary to fix it to the plate 20 again. There was also a problem that the production process and working time for the finished product is increased.

Further, in the case of the conventional vise device (Reg. No. 0396935), since there is no structure of the pneumatic pneumatic means for fixing or separating the workpiece at one time using the hydraulic pressure, the conventional vise device (registration number 0396935). In order to fix or separate the workpiece in the ho) there was also a cumbersome problem, such as the worker has to tighten or loosen the bolt 90.

The present invention has been made in order to solve the above-mentioned conventional problems, the fixing tank assembly is installed in each of the fixed tank unit partitioned so that the fixed tank is expanded at the same time through the pressing action of the pressure body by the hydraulic pressure, and the fixing By installing the clamp assembly corresponding to the fixing bath assembly to be movable on a bed so that the workpieces can be fixed by the tank assembly, the workpiece to be fixed can be easily fixed by using the hydraulic pressure applied through the hydraulic pneumatic means. In particular, the object to be clamped by the expansion of the fixing unit of the unit unit constituting the fixing tank assembly is to be able to be fully clamped by being pressed downward without injuries.

In addition, by forming a fastening stopper in the form of a screw thread on both ends of the holding assembly and the clamp assembly and the bed, the holding assembly and the clamp according to the connection between each stopper on the bed when fixing the holding assembly and the clamp assembly It is another object to prevent the flow of the assembly, and at the same time, the fixing tank assembly and the clamp assembly can be completely tightly fixed on the bed through the binding between the respective stoppers.

And, by installing and configuring the lifting means and the transfer means to the injuries of each assembly by the elastic force on both ends of the fixing tank assembly and the clamp assembly, the lifting means and the conveying means when the fixing of the fixing tank assembly and the clamp assembly It is another object to enable the fixing bath assembly and the clamp assembly to be moved from the bed surface and at the same time to move smoothly between the holding assembly and the clamp assembly according to the workpiece size.

The jig vice of the present invention includes: a fixing tank assembly in which a hydraulic pneumatic means is connected to each of the fixing tank units which are respectively partitioned so that the fixing tank can be expanded at the same time through the pressurizing action of the pressure body by the hydraulic pressure;

A clamp assembly corresponding to the fixture assembly to fix the workpiece;

A bed having conveying rails formed at both ends thereof to allow movement of the fixing tank assembly and the clamp assembly;

Characterized in that it consists of a guide member installed on the lower end of the clamp assembly and the clamp assembly to be correspondingly coupled to the conveying rails of the both ends of the bed.

Here, both ends of the fixing tank assembly and the clamp assembly is characterized in that the floating driving means for allowing the movement of each assembly is made from the bed surface is further provided.

In addition, the upper and lower ends of each of the bed, the fixing tank assembly and the clamp assembly prevent the flow of each assembly from the bed surface, and at the same time, the binding means made of a threaded stopper to perform the position control and the stopper role is further. Characterized in that provided.

In addition, the fixing tank assembly includes a pneumatic pneumatic means for expanding the fixing tank at the same time through the pressing action of the pressure body by the hydraulic pressure; A pressurizing body configured to expand and lower the fixed tank while lifting and lowering through the hydraulic pressure action by the hydraulic pressure means; A fixing tank fastening member in which at least one fixing unit for fixing each fixing tank unit including the pressing body is partitioned; It characterized in that it consists of a fixing bolt fastened to both ends of the fixing tank fastening member so that the fixing tank fastening member can be moved or fixed from the bed surface.

In addition, the pneumatic pneumatic means may include a cylinder each partitioned in a holding tank fastening member to communicate with each of the fixing portion; A piston which is inserted into each of the cylinders and is coupled to a pressure fastening bolt installed through the pressure body and reciprocates up and down by an applied oil pressure; A cylinder cap fastened to each cylinder to prevent the respective piston from being separated from the cylinder; It is characterized by consisting of a sealing member provided on the circumferential surface of the piston and the cylinder cap to prevent friction between the cylinder and the piston, and to prevent the oil pressure supplied into the cylinder from leaking to the outside.

And, by supplying the hydraulic air pressure into the cylinder in the fixing tank fastening member from the outside to the up and down reciprocating motion of the piston is further provided with a hydraulic pneumatic supply hole formed in communication with each cylinder from one end of the fixing tank fastening member It is done.

In addition, the pneumatic pressure supply hole is characterized in that formed in a state spaced apart from each other on the upper and lower sides of one end of the fastening member fastening member so that the lifting action and the lowering action of the piston in the cylinder, respectively.

In addition, one side of the bed is characterized in that the ruler with a grid interval of 1mm.

On the other hand, the fixing tank is characterized in that the jaw portion is formed integrally, or the jaw portion is formed separately from the fixing tank body.

Here, the fixing jaw is characterized in that the coupling portion is formed at both upper ends of the fixing tank body and the jaw groove is formed at the lower end of the jaw to be fitted.

The clamp assembly is characterized in that a stopper member having a stopper formed therein is separated.

In addition, the clamp assembly is characterized in that the clamp jaw groove portion is formed between the plurality of clamp jaw member, the clamp jaw groove portion is characterized in that the chip outlet is formed.

In addition, the clamp assembly is characterized in that consisting of a single clamp jaw member.

And, the bed is characterized in that the bed groove is formed between the engaging projection and the engaging projection.

In addition, the bed groove formed in the bed is characterized in that the central portion is formed higher than both ends.

Hereinafter, the hydraulic jig vice of the present invention will be described in detail.

Figure 3 is a schematic view showing a jig vice of the present invention, Figure 4 is a cross-sectional view of the holding bath assembly of the jig vice of the present invention and "a", "b" shows a detailed view, Figure 5 of the present invention The jig vice shows a perspective view of the clamp assembly and details of "c" and "d".

6 is a plan view and a detailed view of the main part of the bed of the jig vice of the present invention.

Hydraulic jig vice 100 of the present invention, as shown in Figure 3, through the action of pressurizing the pressing body 114 by the oil pressure, the fixing tank unit is partitioned so that the fixed tank 115 can be expanded at the same time ( Fixing tank assembly 110 is connected to the hydraulic pneumatic means 113; A clamp assembly 140 corresponding to the fixing bath assembly 110 to fix the work A; A bed (160) having transfer rails (161) formed at both ends thereof to allow movement of the fixing tank assembly (110) and the clamp assembly (140); It is composed of the guide member (121, 146) installed on the lower end of the fixing tank assembly 110 and the clamp assembly 140 so as to correspond to the transfer rail 161 of both ends of the bed (160).

At this time, the fixing bath assembly 110 is corresponding to the clamp assembly 140 while the fixing bath 115 is simultaneously expanded through the pressing action of the pressing body 114 by the oil pressure for fixing the workpiece (A). As the apparatus, as shown in Figure 4, through the pneumatic action of the pressurizing body 114 by the air pressure and the hydraulic pressure means for expanding the fixing tank 115 at the same time; A pressurizing member 114 configured to expand and lower the fixed tub 115 while lifting and lowering through the hydraulic pressure action by the hydraulic pressure means; A fastening member fastening member 111 in which at least one fixing part 112 for fixing each fixing tank unit 113 including the pressing body 114 is partitioned; The fixing tank fastening member 111 is moved from the surface of the bed 160 is composed of a fixing bolt 118 fastened to both ends of the fixing tank fastening member 111.

In the case of the fixing tank unit 113, the pressing body 114, whose circumferential surface is semi-arc shaped from the upper surface downward, is inserted into the fixing tank 115 having a yaw shape, and the pressing body ( 114, the pressing force of the pressure fastening bolt 117 screwed to the piston 131 of the hydraulic pneumatic means through the fixing tank 115 and the fixing tank fastening member 111 from the upper end, that is, the pressure fastening bolt 117 and the screw While the combined piston 131 is pulled down by the acting pneumatic pressure, while pulling the pressure fastening bolt 117, the press body 114 is also pressed by the head of the pressure fastening bolt 117 is lowered downwards. While the semi-circular circumferential surface of the pressing body 114, the jaw 116 portion of the fixing tank 115 is expanded, and the jaw 116 portion of the fixing tank 115 is expanded as described above, and thus the clamp assembly 140 is expanded. ) And the workpiece A is fixed.

When fixing the workpiece (A) while the fixing tank 115 is expanded through the pressing action of the pressing body 114 as described above, by the pressing action of the pressing body 114 as shown in (a) of FIG. The jaw 116 portion of the fixing jaw 115 is applied to the pressing force in the same direction as the arrow so that the workpiece (A) is mounted to the clamp assembly 140, that is, one side of the clamp assembly 140 ( 142 to be fixed by the clamping tank member 141 of the fixing tank 115 and the clamp assembly 140, the workpiece (A) by the fixing tank unit 113 of the above-described action The fixing tank unit 113 and the clamping tank member 141 are fixed to each other without being floated upward.

And, in the case of the hydraulic pneumatic means, as shown in Figure 4, the cylinder 130 is respectively partitioned in the fixing tank fastening member 111 to communicate with each of the fixing portion 112; A piston 131 which is inserted into each of the cylinders 130 and is coupled to a pressure fastening bolt 117 installed through the pressure body 114 and reciprocates up and down by an applied hydraulic pressure; A cylinder cap 132 fastened to each cylinder 130 to prevent the piston 131 from being separated from the cylinder 130; A seal provided on the circumferential surfaces of the piston 131 and the cylinder cap 132 to prevent friction between the cylinders 130 and the piston 131 and to prevent leakage of oil pressure supplied into the cylinder 130 to the outside. The member 133 is comprised.

In particular, each cylinder from one side end of the fixing tank fastening member 111 so that the up and down reciprocating motion of the piston 131 can be made by supplying hydraulic pressure into the cylinder 130 in the fixing tank fastening member 111 from the outside The hydraulic pressure supply holes 134 and 134a are formed in communication with the 130, and in the case of the hydraulic pressure supply holes 134 and 134a, the upward and downward actions of the piston 131 in the cylinder 130 are respectively performed. It is formed in a state spaced apart from each other on the upper and lower sides of the fixing tank fastening member 111 to be made.

In addition, the fixing tank fastening member 111 is a member that partitions one or more fixing parts 112 in order to configure each fixing tank unit 113 including the pressing body 114 as one assembly, In the case of the fixing part 112 is formed of a groove of the same height as the fixing tank unit 113 so that the fixing tank unit 113 can be inserted, and the jig vice 100 of the present invention is installed 4-6 pieces are formed according to the size, and four fixing parts 112 are preferably formed.

Furthermore, fixing bolts 118 are fastened to both ends of the fixing tank fastening member 111 so that the fixing tank fastening member 111 can be moved or fixed from the surface of the bed 160.

In addition, the clamp assembly 140 is a device for fixing the workpiece A in correspondence with the fixing tank assembly 110. As shown in FIG. 5, the clamp assembly 140 corresponds to the expansion of the fixing tank 115. A clamp jaw member 141 for fixing (A); A seating member 142 detachably installed at both sides of the clamp member 141 to support the workpiece A; It is composed of a fixing bolt 143 fastened to both ends of the clamp member 141 so that the clamp member 141 can be moved or fixed from the surface of the bed 160.

In addition, on both sides of the clamp member 141, a mounting member 142, which is formed in the form of a square plate, is screwed to correspond to the fixing member unit 113 to fix the workpiece A. Fixing bolts 143 are fastened to both ends of the jaw member 141 so that the clamp jaw member 141 can be moved or fixed from the surface of the bed 160.

Meanwhile, as shown in FIGS. 4 and 5, lower ends of each of the fixing tub assembly 110 and the clamp assembly 140 may be correspondingly coupled to the transfer rails 161 formed at both ends of the bed 160. Guide member (121, 146) is further provided to facilitate the movement of the fixing tank assembly 110 and the clamp assembly 140 from the surface, wherein the guide member (121, 146) formed on both ends of the bed (160) The nut groove of the female screw shape to be combined with the fixing bolts (118, 143) of the fixing tank assembly 110 and the clamp assembly 140 at both ends while forming an iron shape to correspond to the shape of the transfer rail (161). (122,147) are formed.

In addition, the lower end of the fixing tank assembly 110 and the clamp assembly 140 corresponds to the coupling protrusion 162 formed on the top of the bed 160, the fixing tank assembly 110 and the clamp assembly 140 and the bed 160 Seating grooves 119 and 144 are formed to smoothly assemble the surface and prevent the flow of the fixing tank assembly 110 and the clamp assembly 140 from the surface of the bed 160 when it is seated.

And, both ends of the fixing tank assembly 110 and the clamp assembly 140 is further provided with a floating drive means for allowing the movement of the assembly (110, 140) from the surface of the bed 160, the movement is possible, In this case, as shown in detail "a" of FIG. 4 and "c" of FIG. 5, the above-mentioned floating driving means is formed through both ends of the fixing tank assembly 110 and the clamp assembly 140, respectively. Holes 123 and 148; Floating means and driving means interpolated into the through holes 123 and 148 so that the fixing tank assembly 110 and the clamp assembly 140 can be lifted and moved from the surface of the bed 160; It consists of a sealing member 127, 152 screwed to prevent the separation of the floating means and the driving means from the through holes (123, 148), the one end of the through holes (123, 148) by the elastic force of the floating means through holes ( The locking jaws 124 and 149 are formed to prevent the driving means from being separated from the 123 and 148.

Here, the floating means of the components of the floating driving means is made of a spring (126,151) or a rubber material (resin material) having an elastic force, the driving means is made of a spherical circular body (125,150).

In addition, both ends of the fixing bath assembly 110 and the clamp assembly 140, as shown in the "b" detail of Figure 4 and the "d" detail of Figure 5, both ends of the bed 160 The binding means is formed to correspond to the binding means formed on the upper side to prevent the flow of the fixing tank assembly 110 and the clamp assembly 140 from the surface of the bed 160 to perform accurate position control and stopper, At this time, the fastening means is composed of a stopper (120, 145) of the thread form so that the corresponding connection between the bed 160 and the fixing tank assembly 110 and the bed 160 and the clamp assembly 140, respectively.

On the other hand, the bed 160, as shown in Figure 3 and 6, the overall shape is formed in a square plate so that the fixing tank assembly 110 and the clamp assembly 140, the bed ( 160 is fixed to the upper end of the fixing tank assembly 110 and the clamp assembly 140, that is, the mounting grooves (119,144) formed in the lower end of the fixing tank fastening member 111 and the clamp tank member 141. Coupling protrusion 162 is formed to facilitate the assembly of the jaw assembly 110 and the clamp assembly 140 to prevent flow from the surface of the bed 160 when seating.

And, as shown in the detailed view of Figure 6 on both ends of the bed 160, the fastening means formed in the lower end of each of the fixing tank assembly 110 and the clamp assembly 140, that is, a screw-shaped stopper ( Corresponding to the 120 and 145, the binding means is formed to prevent the flow of the fixing tank assembly 110 and the clamp assembly 140 from the surface of the bed 160 to perform the exact position control and stopper, wherein One fastening means also consists of a stopper 163 in the form of a thread so as to correspond to each other between the bed 160 and the fixed bath assembly 110 and the bed 160 and the clamp assembly 140, respectively, The stoppers 163 formed at both ends of the upper portion are formed in two lines spaced at predetermined intervals.

In addition, between the stopper 163 and the stopper 163 formed at both ends of the bed 160, a stroke adjusting groove for adjusting the moving stroke of the fixing tank assembly 110 and the clamp assembly 140 from the bed 160 surface. (164,164a) is formed, wherein the stroke adjusting groove (164, 164a) is preferably formed at the center and both ends of the bed 160, respectively, of which stroke adjustment is formed in the center of the bed 160 The groove 164 is to allow the fixing tank assembly 110 to be positioned, and corresponds to the circular body 125 which is a driving means among the floating driving means provided at both ends of the fixing tank assembly 110, and the bed The stroke adjustment grooves 164a respectively formed at both ends of the 160 are for limiting the moving range of the clamp assembly 140, and the circular body 150 which is a driving means among the floating driving means provided at both ends of the clamp assembly 140. And correspondence For example, when the circular assembly 150 protruding to the outside of the lower end of the clamp assembly 140 no longer exceeds the stroke control groove 164a at both ends of the bed 160, the locking assembly 150 may be engaged to move the clamp assembly 140. This is to prevent the outside of the bed 160.

In addition, one side of the bed 160 is formed with a ruler 165 having a scale of 1 mm, so that the workpiece A is fixed to the fixing member fastening member 111 and the clamp assembly 140. After the corresponding scale was recorded, the clamping fastening member 111 and the clamp assembly 140 were loosened. When the screw was re-tightened to fix the workpiece A of the same size, the scale of the ruler 165 recorded. When tightening the clamping member fastening member 111 and the clamp assembly 140, the setting of the clamping member fastening member 111 and the clamp assembly 140 for fixing the workpiece (A) more easily.

Hereinafter, an operation process for the hydraulic jig vice of the present invention will be described.

7 and 8 show the operating state of the hydraulic jig vice according to the present invention, Figure 9 shows a state in which the workpiece is fixed by the hydraulic jig vice of the present invention.

Here, the to-be-processed object A fixed to the hydraulic jig vice 100 of this invention is demonstrated to a rectangular shape.

First, as shown in FIG. 3, together with the fixing tank assembly 110 on the surface of the bed 160, the clamp assembly 140 is installed and fixed to both sides of the fixing tank assembly 110, respectively. And the clamp assembly 140 to fit the work piece A, that is, the square work piece A, by using the clamp assembly 140 and the clamp assembly 140. In this case, the fixing bath assembly 110 is fixed to the surface of the bed 160 and only the clamp assembly 140 is described as moving.

As described above, in order to adjust the gap between the fixing tank assembly 110 and the clamp assembly 140, when the clamping force of the fixing bolt 143 coupled with the guide member 146 at both ends of the clamp assembly 140, As shown in FIG. 7A, the spring 151 compressed by the circular body 150 press-fitted into the through hole 148 is elastically restored and is spherical in shape by the elastic force of the spring 151. 150 is protruded to the outside of the lower end of the clamp assembly 140, wherein the circular body 150 protruding to the outside by the elastic force of the spring 151 is formed at one end of the through hole 148 as described above Only a part of the circular body 150 protrudes to the outside by the locking jaw 149, and the clamp assembly 140 fixed to the surface of the bed 160 is raised by the protruding circular body 150 as described above. And protrude the circular clamp assembly 140 Through the rotation of 150 to move to the desired position, that is, the position corresponding to the size of the workpiece (A).

Then, after moving the clamp assembly 140 in accordance with the size of the workpiece (A) as described above, the guide member (on both ends of the clamp assembly 140 to fix the clamp assembly 140 to the surface of the bed 160) When the fixing bolt 143 is coupled to the 146, as shown in Figure 7 (b), by the fastening force of the fixing bolt 143 is a spherical circular body 150 which is a component of the floating driving means. Is pressed into the through hole 148 while compressing the spring 151 positioned behind the circular body 150, and the clamp assembly 140 is bedd by the circular body 150 pressed into the through hole 148. The clamp assembly 140 may be fixed to a desired position on the surface of the bed 160, such as by being in close contact with the surface of the 160.

At the same time, the workpiece A to be fixed through expansion of the fixing tank 115 which is a component of the fixing tank assembly 110 is fixed in correspondence with the clamp assembly 140. The process of fixing the workpiece (A) using the 110 and the clamp assembly 140 is as follows.

In order to fix the workpiece (A) through the expansion action of the fixing tank 115 as shown in the detailed description of the fixing tank assembly 110 of the hydraulic jig vice 100 of the present invention, first, the fixing tank fastening member One side end of the holding tank fastening member 111 for supplying hydraulic pressure into the cylinder 130 in the holding tank fastening member 111 from the outside, that is, the hydraulic pneumatic supply hole 134 formed on one side end of the 111 When supplying the hydraulic pressure through the upper hydraulic pressure supply hole 134 formed in communication with each cylinder 130 from, as shown in (a) of Figure 8, the circumferential surface from the upper surface downward to form a half arc type The 114 is inserted into the yaw-shaped fixing tank 115, at which time the piston of the hydraulic pneumatic means through the fixing tank 115 and the fixing tank fastening member 111 from the upper end of the pressing body 114 131 of the pressure tightening bolt 117 is screwed The pressure fastening bolt 117 pulls the pressure fastening bolt 117 while descending by the hydraulic pressure acting on the piston 131 screwed to the pressure fastening bolt 117, and at the same time as the head of the pressure fastening bolt 117 The pressing body 114 is also pressurized to be lowered downwards, and the jaw 116 portion of the fixing tank 115 is enlarged by the half arc circumferential surface of the pressing body 114, and the fixing tank 115 of the fixing tank 115 is expanded as described above. The jaw 116 portion allows the workpiece A to be fixed in correspondence with the clamp assembly 140.

In particular, when the fixing tank 115 is expanded through the pressing action of the pressing body 114 as described above and the workpiece A is fixed in correspondence with the clamp assembly 140, the pressing action of the pressing body 114 is applied. When the jaw 116 of the fixing jaw 115 is expanded in the same direction as the arrow, the pressing force acts, and the workpiece A according to the expansion of the jaws 116 of the fixing jaw 115 is clamped as described above. 9 by the clamping member 115 and the clamping member 141 of the clamp assembly 140 while being in close contact with the mounting member 142 fixed to the assembly 140, that is, the clamp assembly 140. It is fixed as shown in, and the workpiece (A) by the fixing tank unit 113 having the above-mentioned action completely fixed tightly without rising to the upper side of the fixing tank unit 113 and the clamp tank member 141. Will be.

And, as shown in (b) of FIG. 8 to separate the workpiece (A) fixed by the fixing tank assembly 110 and the clamp assembly 140, the combination of the holding tank unit 113, Hydraulic pneumatic supply hole (134a) formed in the lower side of the one side end of the fixing tank fastening member 111 in the state of releasing the hydraulic pressure acted through the upper hydraulic pressure supply hole 134 of the one end of the fixing tank fastening member 111, Lower hydraulic pressure supply hole 134a formed to communicate with each cylinder 130 from one end of the fixing member fastening member 111 to supply the hydraulic pressure into the cylinder 130 in the fixing member fastening member 111 from the outside. When the hydraulic pressure is supplied through the pressurized body, the press body 114 that has been inserted into the fixing tank 115 in the form of a yaw part is installed through the fixing tank 115 and the fixing tank fastening member 111 from the upper end. Piston of the hydraulic pneumatic means screwed with the fastening bolt 117 ( At the same time as the 131 is raised by the applied pneumatic pressure, the press body 114 is also upwardly lifted by the pressure fastening bolt 117 screwed with the piston 131 and is expanded by the press body 114. By the elastic force of the fixing tank 115 itself, the tank 116 portion of the fixing tank 115 gradually squeezes, and releases the coupling force holding the workpiece (A) while the fixing tank assembly 110 is released. And the workpiece A fixed by the clamp assembly 140 can be separated.

On the other hand, as shown in Figure 10, as shown in Figure 10, the jaw 116 portion is formed integrally with the fixing jaw 115, but the pressure is continuously applied to the tension section (Jt) receives a repeated load on the surface? In the case of the addition, the concentrated stress acts on the “Jb” and “Jc” portions, which may cause the fixing tank 115 to be damaged by the fatigue stress, and the fixing tank 115 itself is an aluminum alloy rich in ductility. As a result, pressing and stamping of the workpiece to the “Jd” plane may shorten its lifespan.

In consideration of the above-mentioned point, considering the frequency of use and conditions of the fixing tank and the material of the workpiece, the fixing tank 215 is fixed to the fixing tank body 217 as shown in (a), (b), and (c) of FIG. It is configured to be separated into the (216) portion, for the coupling of the fixed tank body 217 and the jaw 216 portion to form a jaw coupling portion 219 at both upper ends of the fixed tank body 217, 216, the jaw groove portion 218 is formed at the lower end of the jaw coupling portion 219 and the jaw groove portion 218 is forcibly fitted.

In this way, the stress generated in the fixing tank 215 when the workpiece is fixed is caused to move to the joint portion? Je portion of the fixing body body 217 and the portion of the nail 216, and the stress is gradually canceled by the coupling portion. Thus, even if excessive stress is applied to the fixing bath 215, it is possible to prevent the breakage, and the tank 216 to prevent the crushing or immersion through heat treatment after processing.

12 shows another embodiment of a clamp assembly according to the invention, and FIG. 13 shows another embodiment of a clamp assembly according to the invention.

The clamp assembly 330 shown in FIG. 12 is a clamp assembly 330 in which the seating member 142 is removed from the clamp assembly 140 of the present invention, and a stopper 363 is disposed below the clamp assembly 330. The formed stopper member 361 is separated from the serration polishing portion of the stopper 363 formed on the bottom surface of the stopper member 361 by using a material different from that of the clamp jaw member 331 to solve the machining difficulties. By heat treatment using a strong material, it is possible to improve the durability and the quality of the clamp assembly 330, the clamp assembly 330 is a clamp jaw groove 335 between a plurality of clamp jaw member 331 And a chip discharge port 333 is formed on the lower surface of the clamp jaw recess 335 to easily discharge chips generated during processing of the workpiece.

In addition, the clamp assembly 340 illustrated in FIG. 13 is also a form in which the seating member 142 is removed from the clamp assembly 140 of the present invention, and a stopper member having a stopper 363 formed on the lower portion of the clamp assembly 330. 361 is formed separately, and consists of a structure of a clamping jaw member 341 in one piece to suit the shape of the workpiece.

Figure 14 shows another embodiment of the bed according to the present invention, Figure 15 shows another embodiment of the bed according to the present invention, the bed (450,460) is a coupling protrusion (452,462) and the coupling protrusion (452,462) Bed grooves 451 and 461 are formed between the bed grooves 451 and 461 formed in the beds 450 and 460 so that chips generated during the processing of the workpiece can be easily discharged. It is formed higher than (h1), so that chips generated during processing of the workpiece easily flows out of the beds 450 and 460, thereby preventing the chips from accumulating on the beds 450 and 460 and collecting chips easily. .

As described above, the above-described embodiments are described with reference to the most preferred examples of the present invention, but are not limited to the above embodiments, and it will be apparent to those skilled in the art that various modifications can be made without departing from the technical spirit of the present invention. .

The hydraulic jig vice of the present invention is a fixing tank assembly in which a hydraulic pneumatic means is connected to each of the holding tank units which are respectively partitioned so that the fixing tank is expanded at the same time through the pressurizing action of the pressurized body by the hydraulic pressure, and the workpieces are fixed by the fixing tank assembly. By installing the clamp assembly corresponding to the fixing tank assembly so as to be movable on the bed, it is possible to easily fix the workpiece to be fixed by using the hydraulic pressure acted through the hydraulic pneumatic means, in particular the fixing tank There is an excellent effect that the workpiece to be clamped by the expansion of the fixing unit of the unit unit constituting the assembly can be pressed down and completely fixed without rising.

In addition, by forming a fastening stopper in the form of a screw thread on both ends of the holding assembly and the clamp assembly and the bed, the holding assembly and the clamp according to the connection between each stopper on the bed when fixing the holding assembly and the clamp assembly In addition to preventing the flow of the assembly, there is also an effect that the fixing tank assembly and the clamp assembly can be completely tightly fixed on the bed through the inter-stopper binding.

And, by installing and configuring the lifting means and the transfer means to the injuries of each assembly by the elastic force on both ends of the fixing tank assembly and the clamp assembly, the lifting means and the conveying means when the fixing of the fixing tank assembly and the clamp assembly As a result of which the fixing bath assembly and the clamp assembly are lifted from the bed surface and movable, the gap between the fixing tank assembly and the clamp assembly can be smoothly adjusted according to the size of the workpiece.

In addition, by combining the fixed tank body and the separation formed by the coupling portion is to cancel the stress by the coupling portion to prevent damage even if excessive stress applied to the fixed tank, the jaw portion is subjected to pressing or stamping phenomenon through heat treatment after processing It also has the effect of preventing.

In addition, the clamp assembly has a clamp jaw groove is formed between the plurality of clamp jaw member, forming a chip outlet on the lower surface of the clamp jaw groove can easily discharge chips generated during processing of the workpiece, the bed An inclined portion may be provided in the formed bed groove to easily discharge chips generated during processing of the workpiece.

Claims (16)

A fixing tank assembly in which a hydraulic pneumatic means is connected to each of the fixing tank units which are respectively partitioned so that the fixing tank can be expanded at the same time through the pressurizing action of the pressurizing body by the hydraulic pressure; A clamp assembly corresponding to the fixture assembly to fix the workpiece; A bed having conveying rails formed at both ends thereof to allow movement of the fixing tank assembly and the clamp assembly; Hydraulic jig vice, characterized in that consisting of a guide member installed on the lower end of the clamp assembly and the clamp assembly to be correspondingly coupled to the conveying rails of the both ends of the bed. 2. The hydraulic jig vice according to claim 1, further comprising floating driving means at both ends of the fixing tank assembly and the clamp assembly to allow movement of each assembly from the bed surface. The stopper of claim 2, wherein upper and lower ends of each of the bed, the fixing assembly, and the clamp assembly are each formed of a threaded stopper to prevent the flow of each assembly from the bed surface and to serve as a position control and a stopper. Hydraulic jig vice, characterized in that the binding means is further provided. According to claim 2, wherein the fixing tank assembly comprises a pneumatic pneumatic means for expanding the fixing tank at the same time through the pressing action of the pressure body by the hydraulic pressure; A pressurizing body configured to expand and lower the fixed tank while lifting and lowering through the hydraulic pressure action by the hydraulic pressure means; A fixing tank fastening member in which at least one fixing unit for fixing each fixing tank unit including the pressing body is partitioned; Hydraulic jig vice, characterized in that consisting of fixing bolts fastened to both ends of the fixing tank fastening member to move or fix the fixing tank fastening member from the bed surface. 5. The cylinder according to claim 4, wherein the hydraulic pressure means further comprises: cylinders respectively partitioned in the fixing tub fastening members to communicate with each of the fixing portions; A piston which is inserted into each of the cylinders and is coupled to a pressure fastening bolt installed through the pressure body and reciprocates up and down by an applied oil pressure; A cylinder cap fastened to each cylinder to prevent the respective piston from being separated from the cylinder; And a sealing member provided on the circumferential surface of the piston and the cylinder cap to prevent friction between the cylinders and the pistons and to prevent leakage of the hydraulic air supplied into the cylinders to the outside. [6] The hydraulic pressure supply hole of claim 5, wherein the hydraulic pressure supply hole is formed to communicate with each cylinder from one end of the fixing tank fastening member to supply the hydraulic air pressure from the outside into the cylinder in the cylinder fastening member so that the piston can be vertically reciprocated. Hydraulic jig vice, characterized in that provided. 7. The hydraulic jig vice according to claim 6, wherein the hydraulic pneumatic supply hole is formed to be spaced apart from each other on the upper and lower sides of one side end of the fastening member for fastening and lowering the piston in the cylinder. . The hydraulic jig vice according to any one of claims 3 to 7, wherein a ruler with a scale of 1 mm is formed on one side of the bed. The hydraulic jig vice according to any one of claims 1 to 7, wherein the fixing jaw is formed integrally with a jaw portion. The hydraulic jig vice according to any one of claims 1 to 7, wherein the fixing tank has a jaw portion formed separately from the fixing tank body. 12. The hydraulic jig vice according to claim 10, wherein the fixing jaw is provided with coarse coupling portions formed at both upper ends of the fixing jaw body, and a jaw groove portion is formed at the lower end of the jaw. The hydraulic jig vice according to any one of claims 1 to 3, wherein the clamp assembly has a stopper member having a stopper formed therein. 13. The hydraulic jig vice according to claim 12, wherein the clamp assembly has a clamp jaw groove portion formed between the plurality of clamp jaw members, and a chip discharge port is formed in the clamp jaw groove portion. 13. The hydraulic jig vice according to claim 12, wherein the clamp assembly is composed of a monolithic clamp jaw member. The hydraulic jig vice according to any one of claims 1 to 3, wherein the bed has a bed groove formed between the engaging projection and the engaging projection. 16. The hydraulic jig vice according to claim 15, wherein the bed groove formed in the bed has a central portion higher than both ends thereof.

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