CN217071517U - Material clamping device - Google Patents

Abstract

The application discloses clamping device, be used for fixed work piece, including the mounting panel, lifting unit and clamping component, lifting unit connects the fixing base, be used for making the work piece part bulge the mounting panel, clamping component includes first grip block, second grip block and actuating mechanism, the mounting panel is located to first grip block and second grip block dress, actuating mechanism connects the second grip block, first grip block has first side, first side is equipped with a plurality of first beads of arranging the setting along the first direction, first bead extends the setting along the second direction, the second direction perpendicular to first direction, the second grip block has the second side, the second side is equipped with a plurality of second beads of arranging the setting along the first direction, the second bead extends the setting along the second direction, actuating mechanism drives the second grip block and presss from both sides the work piece tightly between first bead and second bead. The holding force of the first clamping block and the second clamping block on the workpiece is increased through the first rib and the second rib, and the workpiece is prevented from moving during machining.

Description

Material clamping device

Technical Field

The application relates to a product location processing field especially relates to a press from both sides material device.

Background

When a rod material is processed, the rod material needs to be clamped tightly, and as the surfaces of the clamping block and the workpiece are smooth surfaces, a large cutting force is generated in the processing process, so that the product cannot be clamped tightly, and the processing quality and the processing efficiency are influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a clamping device capable of clamping a workpiece.

The embodiment of the application provides a clamping device, which is used for fixing workpieces and comprises a mounting plate, a lifting component and a clamping component, wherein the mounting plate is used for allowing the workpieces to pass through, the lifting component is connected with a fixing seat and used for mounting the workpieces and driving the workpieces to move along a first direction, so that the workpieces partially protrude out of the mounting plate, the clamping component comprises a first clamping block, a second clamping block and a driving mechanism, the first clamping block and the second clamping block are arranged on the mounting plate, the driving mechanism is connected with the second clamping block, the first clamping block is provided with a first side face, the first side face is provided with a plurality of first convex edges arranged along the first direction, the first convex edges extend along a second direction, the second direction is perpendicular to the first direction, the second clamping block is provided with a second side face, the second side face is provided with a plurality of second convex edges arranged along the first direction, the second rib extends along the second direction, and the driving mechanism drives the second clamping block to move on the mounting plate so as to clamp the workpiece between the first rib and the second rib.

The embodiment of the application comprises the following technical effects: through set up first bead on first grip block and set up the second bead on the second grip block, through first bead and second bead, press from both sides the work piece tightly between first grip block and second grip block, increase the power of controlling of first grip block and second grip block to the work piece, avoid the work piece to remove with man-hour, promote the quality and the efficiency of processing the work piece.

Optionally, in some embodiments of the present application, a side of the first rib for contacting the workpiece is provided with a first tooth-like structure, and a side of the second rib for contacting the workpiece is provided with a second tooth-like structure.

Optionally, in some embodiments of the present application, actuating mechanism includes fixed block, locking screw and ejector pad, the fixed block is connected the mounting panel, the ejector pad is located fixed block and mounting panel, locking screw rotates to connect fixed block and ejector pad, the second holder has first inclined plane, the ejector pad has the second inclined plane, rotate locking screw drives the ejector pad is followed first direction removes, makes the contact of second inclined plane connects first inclined plane, in order to drive the second holder removes.

Optionally, in some embodiments of the present application, the locking screw includes a first end and a second end, the first end is connected to the mounting plate, the second end is connected to the fixing block, the second end is provided with a limiting groove surrounding the surface of the locking screw, the driving mechanism further includes a limiting rod, the limiting rod is connected to the fixing block and is disposed in the limiting groove to limit the locking screw to move along the first direction.

Optionally, in some embodiments of the present application, the first clamping block further includes a third side surface, the third side surface is provided with a plurality of third ribs arranged in the first direction, the third ribs extend along a third direction, the third direction is perpendicular to the first direction and the second direction, and the third ribs and the first ribs are used for contacting and connecting two adjacent sides of the workpiece.

Optionally, in some embodiments of the present application, the first clamping block further includes a first arc-shaped surface, the first arc-shaped surface connects the first side surface and the third side surface, and the first arc-shaped surface is used for matching a structure of the workpiece.

Optionally, in some embodiments of the present application, the clamping assembly further includes a cover plate, the cover plate is provided with a limiting block, the second clamping block is provided with a concave portion, an elastic member is arranged in the concave portion, the cover plate is connected to the mounting plate, the limiting block is arranged in the concave portion, the elastic member abuts against the inner wall of the concave portion and the limiting block, and the second clamping block compresses the elastic member between the inner wall of the concave portion and the limiting block.

Optionally, in some embodiments of this application, lifting unit includes dwang and stop gear, the one end of dwang is equipped with the bearing housing, the bearing housing is equipped with the recess, stop gear includes spacing driving piece and stopper, the stopper is connected spacing driving piece, spacing driving piece drive the stopper removes extremely in the recess, with the restriction the dwang rotates.

Optionally, in some embodiments of the present application, the mounting plate is provided with a height-limiting block for limiting the distance the workpiece protrudes from the mounting plate.

Optionally, in some embodiments of the present application, the tool further includes a connecting plate, where the connecting plate is connected to the fixing base, and is used to connect the fixing base to an external processing device.

Drawings

Fig. 1 illustrates a schematic structural diagram of a material clamping device in an embodiment.

Fig. 2 illustrates a schematic structural diagram of the material clamping device from another view in an embodiment.

FIG. 3 illustrates a schematic diagram of the structure of the mounting plate in one embodiment.

Fig. 4 illustrates a schematic structural view of a limiting mechanism and a rotating rod in one embodiment.

FIG. 5 illustrates a schematic diagram of the structure of the clamping assembly and mounting plate in one embodiment.

FIG. 6 illustrates a cross-sectional view of a clamping assembly and mounting plate in one embodiment.

Fig. 7 illustrates a schematic structural diagram of the first clamping block and the second clamping block in an embodiment.

Fig. 8 illustrates a schematic structural diagram of the first clamping block and the second clamping block from another view angle in an embodiment.

Description of the main elements

Clamping device 100

Fixing seat 10

Mounting plate 11

Height limiting block 11a

First via hole 111

Convex part 111a

Second via 112

Chute 113

Supporting plate 12

Base plate 13

Connecting plate 14

Lifting assembly 20

Lifting drive 21

Rotating lever 211

Bearing sleeve 211a

Notch 2111

Slider 212

Handle 213

Carrier plate 22

Guide post 23

Guide sleeve 24

Stop gear 25

Limit driving member 251

Limit block 252

Clamping assembly 30

First clamping block 31

First side surface 31a

First rib 311

Third side 31b

Third rib 312

First arc-shaped surface 31c

Second clamping block 32

Second side surface 32a

Second rib 321

Fourth side 32b

Fourth rib 322

Second arc-shaped surface 32c

First inclined surface 32d

Recess 32e

Drive mechanism 33

Second inclined surface 33a

Fixed block 331

Locking screw 332

First end 332a

Second end 332b

Limiting groove 332c

Push block 333

Limiting rod 334

Cover plate 34

Stopper 341

Elastic member 35

Workpiece 200

First direction X

Second direction Y

Third direction Z

The following specific examples will further illustrate the application in conjunction with the above figures.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

The embodiment of the application provides a material clamping device, which is used for fixing a workpiece and comprises a mounting plate, a lifting assembly and a clamping assembly, wherein the mounting plate is used for allowing the workpiece to pass through, the lifting assembly is connected with a fixed seat and is used for mounting the workpiece and driving the workpiece to move along a first direction so that part of the workpiece protrudes out of the mounting plate, the clamping assembly comprises a first clamping block, a second clamping block and a driving mechanism, the first clamping block and the second clamping block are arranged on the mounting plate, the driving mechanism is connected with the second clamping block, the first clamping block is provided with a first side surface, the first side surface is provided with a plurality of first convex edges arranged along the first direction, the first convex edges extend along a second direction, the second direction is perpendicular to the first direction, the second clamping block is provided with a second side surface, the second side surface is provided with a plurality of second convex edges arranged along the first direction, the second convex edges extend along the second direction, the driving mechanism drives the second clamping block to move on the mounting plate, clamping the workpiece between the first and second ribs.

Through set up first bead on first grip block and set up the second bead on the second grip block, through first bead and second bead, press from both sides the work piece tightly between first grip block and second grip block, increase the power of controlling of first grip block and second grip block to the work piece, avoid the work piece to remove with man-hour, promote the quality and the efficiency of processing the work piece.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, a clamping device 100 for holding a workpiece 200 is shown. Alternatively, the workpiece 200 comprises a rod-like material. The clamping device 100 comprises a fixed seat 10, a lifting assembly 20 and a clamping assembly 30, wherein the lifting assembly 20 and the clamping assembly 30 are connected with the fixed seat 10. The lifting assembly 20 is used for mounting the workpiece 200 and for lifting the height of the workpiece 200 after the front end portion of the workpiece 200 is machined, so that the subsequent portion of the workpiece 200 protrudes out of the fixed seat 10. The clamping assembly 30 is used for loosening the workpiece 200 after the front end part of the workpiece 200 is machined, and clamping the workpiece 200 after the subsequent part of the workpiece 200 protrudes out of the fixed seat 10, so that external equipment can conveniently machine the workpiece.

Referring to fig. 2 and 3, in an embodiment, the fixing base 10 includes a mounting plate 11, a supporting plate 12 and a bottom plate 13, wherein the supporting plate 12 connects the mounting plate 11 and the bottom plate 13. A space is provided between the mounting plate 11 and the base plate 13, and the lifting assembly 20 and the clamping assembly 30 are provided in the space. Optionally, the mounting plate 11 has a first through hole 111, a second through hole 112, and a chute 113. The first and second through holes 111 and 112 are provided at both ends of the chute 113, and the chute 113 communicates the first and second through holes 111 and 112. The first through-hole 111 is used for passing the workpiece 200 therethrough, and the external device is used for processing a portion of the workpiece 200 protruding out of the mounting plate 11. The clamping assembly 30 is partially disposed in the second through hole 112 and partially disposed in the sliding slot 113 for clamping the workpiece 200 disposed in the first through hole 111. Alternatively, the inner wall of the first through hole 111 is provided with a protrusion 111 a. Optionally, the mounting plate 11 is provided with a plurality of first through holes 111, a plurality of second through holes 112, and a plurality of sliding chutes 113, and each of the first through holes 111, each of the second through holes 112, and each of the sliding chutes 113 is correspondingly provided with a clamping assembly 30 for simultaneously clamping a plurality of workpieces 200 to process the plurality of workpieces 200, thereby improving the processing efficiency. In one embodiment, the fixing base 10 further includes a connecting plate 14, and the connecting plate 14 connects the mounting plate 11, the supporting plate 12 and the bottom plate 13 for connecting the fixing base 10 to an external processing device to facilitate processing of the workpiece 200.

In one embodiment, the lift assembly 20 includes a lift drive 21, a carrier plate 22, a guide post 23, and a guide sleeve 24. The lifting drive 21 connects the mounting plate 11 and the base plate 13. The bearing plate 22 is connected with the lifting driving member 21, the bearing plate 22 is used for mounting a plurality of workpieces 200, the guide sleeve 24 is connected with the bearing plate 22, and the guide column 23 is connected with the mounting plate 11 and the bottom plate 13. The guide sleeve 24 is sleeved on the guide column 23. The lifting driving member 21 drives the bearing plate 22 to slide on the guide posts 23 through the guide sleeves 24 in the first direction X, so as to drive the plurality of workpieces 200 to be lifted and lowered synchronously. Optionally, the first direction X is a vertical direction. Optionally, the mounting plate 11 is further provided with a height limiting block 11a, the height limiting block 11a is rotatably connected to the mounting plate 11, and the height limiting block 11a is located in the moving direction of the workpiece 200 by rotating the height limiting block 11a, so as to limit the position where the workpiece 200 rises, and thus limit the distance that the workpiece 200 protrudes out of the mounting plate 11. Alternatively, the elevation driving member 21 includes a rotation lever 211, a slider 212, and a handle 213. Rotating lever 211 connects mounting plate 11 and base plate 13, slider 212 connects rotating lever 211 and carrier plate 22, and handle 213 connects rotating lever 211. By rotating the handle, the rotating rod 211 is driven to rotate, and then the sliding block 212 is driven to slide on the rotating rod 211, so as to drive the bearing plate 22 to ascend or descend. Alternatively, the rotating rod 211 comprises a lead screw.

Referring to fig. 4, optionally, two ends of the rotating rod 211 are respectively provided with a bearing sleeve 211a, the rotating rod 211 is rotatably connected to the mounting plate 11 and the bottom plate 13 through the bearing sleeves 211a, wherein the bearing sleeve 211a at one end of the rotating rod 211 connected to the bottom plate 13 is provided with a groove 2111. The lifting assembly 20 further includes a limiting mechanism 25, the limiting mechanism 25 includes a limiting driving member 251 and a limiting block 252, the limiting driving member 251 is installed on the bottom plate 13, the limiting block 252 is connected to the limiting driving member 251, the limiting driving member 251 drives the limiting block 252 to move into the groove 2111 to limit the rotation of the rotating rod 211, and thus the height of the workpiece 200 is kept unchanged during machining.

Referring to fig. 5, 6, 7 and 8, the clamping assembly 30 includes a first clamping block 31, a second clamping block 32 and a driving mechanism 33. The first clamping block 31 is mounted on the protrusion 111a and located in the first through hole 111, the second clamping block 32 is disposed in the first through hole 111 and the sliding slot 113, and the driving mechanism 33 is connected to the second clamping block 32 and is configured to drive the second clamping block 32 to slide in the sliding slot 113. The first holding block 31 has a first side surface 31a, the first side surface 31a is provided with a plurality of first ribs 311 arranged in a row along a first direction X, the first ribs 311 extend along a second direction Y, the second holding block 32 has a second side surface 32a, the second side surface 32a is provided with a plurality of second ribs 321 arranged in a row along the first direction X, the second ribs 321 extend along the second direction Y, and the driving mechanism 33 drives the second holding block 32 to move on the sliding chute 113 to clamp the workpiece 200 between the first ribs 311 and the second ribs 321. Wherein the second direction Y is perpendicular to the first direction X. By clamping the workpiece 200 between the first rib 311 and the second rib 321, the holding force of the first clamping block 31 and the second clamping block 32 on the workpiece 200 is increased, and the clamping of the workpiece 200 by the first clamping block 31 and the second clamping block 32 is ensured during processing. Optionally, the first rib 311 is provided with a first tooth structure, and the second rib 321 is provided with a second tooth structure, where the first tooth structure and the second tooth structure can further clamp the workpiece 200, and stabilize the position of the workpiece 200.

Optionally, the first clamping block 31 and the second clamping block 32 are L-shaped, the first clamping block 31 is used for contacting and connecting two adjacent side surfaces of the workpiece 200, the second clamping block 32 is used for contacting and connecting the other two adjacent side surfaces of the workpiece, and further the first clamping block 31 and the second clamping block 32 contact and connect the outer surface of the workpiece 200. Optionally, the first clamping block 31 further includes a third side surface 31b, the third side surface 31b is provided with a plurality of third ribs 312 arranged in the first direction X, the third ribs 312 extend along a third direction Z, the third direction Z is perpendicular to the first direction X and the second direction Y, and the third ribs 312 and the first ribs 311 are used for contacting and connecting two adjacent sides of the workpiece 200. Optionally, the third rib 312 is provided with a first tooth-like structure. Optionally, the second clamping block 32 further includes a fourth side 32b, the fourth side 32b is provided with a plurality of fourth ribs 322 arranged in the first direction X, the fourth ribs 322 extend along the third direction Z, and the fourth ribs 322 and the second ribs 321 are used for contacting and connecting two other adjacent sides of the workpiece 200. Optionally, the fourth rib 322 is provided with a second toothed structure. Optionally, the first and second clamping blocks 31, 32 are V-shaped.

Optionally, the first clamping block 31 further includes a first arc surface 31c, and the first arc surface 31c connects the first side surface 31a and the third side surface 31 b. The first arc-shaped surface 31c is matched with the surface of the joint of two adjacent side surfaces of the workpiece 200, so that the contact area of the first clamping block 31 and the workpiece 200 can be increased, and the effect of clamping the workpiece 200 by the first clamping block 31 and the second clamping block 32 is improved. Optionally, the second clamping block 32 is provided with a second arc-shaped surface 32c, the second arc-shaped surface 32c is connected to the second side surface 32a and the fourth side surface 32b, and the second arc-shaped surface 32c is matched with the surface of the joint of the two adjacent side surfaces of the workpiece 200, so that the contact area between the second arc-shaped surface 32c and the workpiece 200 can be increased, and the effect of clamping the workpiece 200 by the first clamping block 31 and the second clamping block 32 can be further improved.

Optionally, one end of the second clamping block 32 connected to the driving mechanism 33 has a first inclined surface 32d, the driving mechanism 33 has a second inclined surface 33a, and the driving mechanism 33 moves along the first direction X to make the second inclined surface 33a contact and connect with the first inclined surface 32d and push the second clamping block 32 to slide in the chute 113 towards the first clamping block 31, so as to clamp the workpiece 200 between the first clamping block 31 and the second clamping block 32.

In one embodiment, the clamping assembly 30 further includes a cover plate 34 and a resilient member 35. The cover plate 34 is provided with a stopper 341, the second clamping block 32 is provided with a recess 32e, and the cover plate 34 is connected to the mounting plate 11 and covers the driving mechanism 33. The stopper 341 is disposed in the recess 32e, the elastic element 35 is disposed in the recess 32e, and one end of the elastic element 35 abuts against the inner wall of the recess 32e, and the other end abuts against the stopper 341. When the second holding block 32 slides in the sliding groove 113, the elastic member 35 is compressed between the inner wall of the recess 32e and the stopper 341, and when the driving mechanism 33 releases the force applied to the second holding block 32, the elastic force of the elastic member 35 moves the second holding block 32 to a position away from the first holding block 31, so as to reposition the position of the second holding block 32.

In one embodiment, the driving mechanism 33 includes a fixing block 331, a locking screw 332, and a pushing block 333. The fixing block 331 is connected to a side of the mounting plate 11 away from the second clamping block 32, and a part of the pushing block 333 is disposed in the second through hole 112 and a part is disposed in the fixing block 331. The locking screw 332 is rotatably connected with the fixing block 331 and the pushing block 333. The second inclined surface 33a is disposed on the pushing block 333, and by rotating the locking screw 332, the pushing block 333 moves along the first direction X, so that the second inclined surface 33a contacts and connects with the first inclined surface 32d, and pushes the second clamping block 32 to move in the sliding slot 113. Optionally, locking screw 332 includes a first end 332a and a second end 332b, with first end 332a being coupled to mounting plate 11 and extending through cover plate 34. The second end 332b is rotatably connected to the fixing block 331. Optionally, the driving mechanism 33 further includes a limiting rod 334, a second end 332b surrounds a limiting groove 332c on the surface of the locking screw 332, the limiting rod 334 is connected to the fixing block 331 and disposed in the limiting groove 332c, and can limit the locking screw 332 in the fixing block 331 and limit the locking screw 332 to move along the first direction X, so that the locking screw 332 can only rotate along the horizontal direction to drive the pushing block 333 to move on the locking screw 332 along the first direction X.

When the material clamping device 100 is used, a plurality of workpieces are firstly placed on the bearing plate 22, then the position of the bearing plate 22 is raised through the lifting driving piece 21, the front ends of the workpieces 200 protrude out of the mounting plate 11 through the first through holes 111, then the push block 333 moves along the first direction X by rotating the locking screw 332, the second inclined surface 33a is in contact connection with the first inclined surface 32d, the second clamping block 32 is pushed to move in the sliding groove 113, the first rib 311, the second rib 321, the third rib 312 and the fourth rib 322 are in contact connection with the workpieces 200 by matching with the first clamping block 31, the workpieces 200 are clamped between the first clamping block 31 and the second clamping block 32, the workpieces 200 are machined through external equipment after the workpieces 200 are clamped, and the steps are repeated after machining is finished, so that continuous machining is realized.

According to the material clamping device 100, the first rib 311 is arranged on the first clamping block 31, the second rib 321 is arranged on the second clamping block 32, and the workpiece 200 is clamped between the first clamping block 31 and the second clamping block 32 through the first rib 311 and the second rib 321, so that the holding force of the first clamping block 31 and the second clamping block 32 on the workpiece 200 is increased, the workpiece 200 is prevented from moving during machining, and the quality and the efficiency of machining the workpiece 200 are improved.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present application and are not to be taken as limiting the present application, and that suitable changes and modifications to the above embodiments are within the scope of the present disclosure as long as they are within the spirit and scope of the present application.

Claims (10)

1. A clamping device for securing a workpiece, comprising:

the fixing seat comprises a mounting plate for the workpiece to pass through;

the lifting assembly is connected with the fixed seat and used for mounting the workpiece and driving the workpiece to move along a first direction, so that the workpiece partially protrudes out of the mounting plate;

its characterized in that, press from both sides material device still includes:

clamping assembly, including first grip block, second grip block and actuating mechanism, first grip block and second grip block dress are located the mounting panel, actuating mechanism connects the second grip block, first grip block has first side, first side is equipped with a plurality of edges the first bead that sets up is arranged to first direction, first bead extends the setting along the second direction, the second direction perpendicular to first direction, the second grip block has the second side, the second side is equipped with a plurality of edges the second bead that sets up is arranged to first direction, the second bead is followed the second direction extends the setting, the actuating mechanism drive the second grip block is in move on the mounting panel, will the work piece press from both sides tightly in between first bead and the second bead.

2. The clamping device of claim 1, wherein said first rib has a first tooth-like structure on a side thereof for contacting said workpiece, and said second rib has a second tooth-like structure on a side thereof for contacting said workpiece.

3. A clamping device as claimed in claim 1, wherein said driving mechanism includes a fixed block, a locking screw and a pushing block, said fixed block is connected to said mounting plate, said pushing block is disposed on said fixed block and said mounting plate, said locking screw is rotatably connected to said fixed block and said pushing block, said second clamping block has a first inclined surface, said pushing block has a second inclined surface, and said locking screw is rotated to drive said pushing block to move along said first direction, so that said second inclined surface contacts and connects with said first inclined surface to drive said second clamping block to move.

4. A clamping device as claimed in claim 3, wherein said locking screw includes a first end and a second end, said first end is connected to said mounting plate, said second end is connected to said fixing block, said second end is provided with a limiting groove surrounding the surface of said locking screw, said driving mechanism further includes a limiting rod connected to said fixing block and disposed in said limiting groove to limit said locking screw to move along said first direction.

5. The apparatus of claim 1, wherein the first block further comprises a third side surface, the third side surface having a plurality of third ribs arranged along the first direction, the third ribs extending along a third direction, the third direction being perpendicular to the first and second directions, the third and first ribs being configured to contact adjacent sides of the workpiece.

6. The clamping device of claim 5, wherein said first clamping block further comprises a first arcuate surface connecting said first side surface and a third side surface, said first arcuate surface for mating with a structure of said workpiece.

7. A clamping device as claimed in claim 1, wherein said clamping assembly further comprises a cover plate, said cover plate has a stopper, said second clamping block has a recess, an elastic member is disposed in said recess, said cover plate is connected to said mounting plate, said stopper is disposed in said recess, said elastic member abuts against an inner wall of said recess and said stopper, and said second clamping block compresses said elastic member between said inner wall of said recess and said stopper.

8. The material clamping device according to claim 1, wherein the lifting assembly comprises a rotating rod and a limiting mechanism, a bearing sleeve is arranged at one end of the rotating rod, a groove is formed in the bearing sleeve, the limiting mechanism comprises a limiting driving member and a limiting block, the limiting block is connected with the limiting driving member, and the limiting driving member drives the limiting block to move into the groove so as to limit the rotating rod to rotate.

9. A clamping device as claimed in claim 1, characterised in that said mounting plate is provided with a height-limiting block for limiting the distance by which said workpiece projects from said mounting plate.

10. A clamping device as claimed in claim 1, further comprising a connecting plate connected to said holder for connecting said holder to external processing equipment.

Images