CN217800371U - Special fixture for machining workbench - Google Patents
Special fixture for machining workbench Download PDFInfo
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- CN217800371U CN217800371U CN202222084763.1U CN202222084763U CN217800371U CN 217800371 U CN217800371 U CN 217800371U CN 202222084763 U CN202222084763 U CN 202222084763U CN 217800371 U CN217800371 U CN 217800371U
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Abstract
The utility model belongs to the field of a tool clamp for machining, and relates to a special clamp for machining a workbench, wherein a positioning structure is arranged on a bottom plate, a backer device and a clamping sliding table device are arranged on the upper end surface of the bottom plate, and the position of the backer device on the bottom plate is variable; the clamping sliding table device comprises a movable clamping part. The backer device is matched with the clamping sliding table device to position and clamp the workpiece to be processed in the length direction. The clamp adopts a manual operation mode, applies the wedge clamping principle, is safe and reliable, has a simple structure and a wide application range, improves the production efficiency, and saves a large amount of manpower and material resources, thereby saving the processing cost.
Description
Technical Field
The utility model relates to a workstation processing special fixture belongs to machining's frock clamp field.
Background
The worktable is a main component of various machine tools and is characterized by large production batch, various models, different specifications and high precision requirement. Because the work piece of the complicated structure of the work bench and each face all have the cutting face, lead to producing the interference position that more needs dodge in the machining process, especially when using the position of upper table face of traditional general frock clamp processing, the operative employee needs to carry out the preparation work before production such as loaded down with trivial details, heavy location, card pressure, production efficiency is low. Therefore, a special fixture for machining a workbench is needed to improve the situation.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a workstation processing special fixture, this anchor clamps adopt the manually operation mode, and application slide wedge presss from both sides tight principle, and safe and reliable, simple structure, application scope are wide, have not only improved production efficiency, have practiced thrift a large amount of manpower and materials simultaneously to save the processing cost.
For solving the above problems, the specific technical scheme of the utility model is as follows: the special fixture for machining the workbench is characterized in that a positioning structure is arranged on a bottom plate I, a backer device and a clamping sliding table device are arranged on the upper end face of the bottom plate I, and the position of the backer device on the bottom plate I is variable;
the clamping sliding table device comprises a movable clamping part. The backer device is matched with the clamping sliding table device to position and clamp the workpiece to be processed in the length direction.
The positioning structure comprises a plurality of positioning bases, the positioning bases are of rectangular frame structures, and a plurality of threaded holes with equal intervals are transversely formed in the side surfaces of the upper frames of the positioning bases.
The lower surface of the positioning base is provided with a rectangular groove I, and a guide flat key I is embedded in the rectangular groove I.
The bottom plate I on be provided with a plurality of T type groove, location structure bottom and backer's bottom all are provided with T type piece, T type piece and the cooperation of T type groove, the setting of T type groove and T type piece makes location structure and backer can be according to the size adjustment position on the bottom plate of work piece, improves the suitability of anchor clamps.
The positioning base comprises a side ejecting block, the side ejecting block is connected with a threaded hole through a bolt, a locking handle is arranged on the side surface of the side ejecting block, and the locking handle is in threaded connection with the side ejecting block.
The backer device include bottom plate II and connecting plate, the two structure as an organic whole of connecting perpendicularly, the connecting plate both sides are provided with triangle-shaped strengthening rib, the connecting plate side surface is provided with the dog, bottom plate II bottom is opened there is rectangular channel II, rectangular channel II is embedded to have direction parallel key II.
The clamping sliding table device is structurally characterized in that the base is fixedly connected with the base plate I through bolts, two rectangular steel rails which are arranged in parallel are mounted on the upper end face of the base, a sliding table is connected to each rectangular steel rail in a sliding mode, the side end of each rectangular steel rail is in a T shape and consists of a horizontal portion and a vertical portion, and the movable clamping portion can slide on the horizontal portion.
But movable clamping part include the slip table, the slip table is sliding motion on the horizontal part of rectangle rail, terminal surface fixedly connected with clamp plate under the slip table, the clamp plate is located slip table length direction's both sides, and the relative lateral surface contact of clamp plate and two rectangle rails, the slip table up end fixedly connected with is kept silent down, the up end of keeping silent down is the degree inclined plane, the lower part passes through bolted connection with the slip table, sliding connection has last keeping silent on keeping silent inclined plane down, go up keep silent and keep silent down through clamping bolt connection and control relative position, go up keep silent towards one side fixedly connected with dog on the surface of work piece, the base is along slip table slip direction front and back both sides fixedly connected with and hits the piece.
The movable pressing plate is arranged at the bottom of the sliding table and connected with the sliding table through a locking bolt, a wrench is connected onto the locking bolt, the movable pressing plate is located between the two rectangular steel rails, and the end faces of the two sides of the movable pressing plate are respectively in contact with the corresponding vertical portions of the rectangular steel rails.
The sliding table is characterized in that a guide groove is formed in the bottom of the sliding table, a protrusion is arranged on the upper end face of the movable pressing plate, and the protrusion is matched with the guide groove.
The utility model discloses the beneficial effect who brings: this type special fixture adopts location base device and side top base device to treat that the centre gripping workstation carries on spacingly around, adopts backer device, press from both sides tight slip table device and advance spacingly to controlling of workstation, thereby realize the effective tight location of clamp of part, simultaneously because each device relative position is adjustable, thereby got rid of single model, the problem of single anchor clamps, be applicable to series of workstation products such as 500, 650, 850, 1100, can reduce prenatal preparation time by a wide margin, simplify the machining process, and reduce manufacturing cost, improve work piece precision uniformity.
Drawings
Fig. 1 is a schematic structural view of a special fixture for machining a workbench.
Fig. 2 is an isometric view of the backer device.
Figure 3 is an isometric view of a side top base unit.
Fig. 4 is an isometric view of a clamp ramp assembly.
Fig. 5 is a sectional view of the clamp ramp assembly.
Fig. 6 is a schematic view of the working state of the special fixture for machining the workbench.
Wherein, 1-base plate I,1.1-T type groove, 2-hill-rest device, 2.1-connecting plate, 2.1.1-U type groove, 2.2-block, 2.3-base plate II, 2.3.1-rectangular groove II, 2.3.2-guiding flat key II, 2.4-triangular reinforcing rib, 3-positioning structure, 3.1-rectangular groove I, 3.2-guiding flat key II, 5-clamping sliding table device, 5.1-base, 5.2-collision block, 5.3-rectangular steel rail, 5.4-block, 5.5-upper jaw, 5.6-clamping bolt, 5.7-lower jaw, 5.8-pressing plate, 5.9-wrench, 5.10-locking bolt, 5.11-sliding table, 5.12-movable pressing plate, 5.13-guiding groove, 5.14-protrusion, 6-T type block, 7-threaded hole, 8-side top block and 9-locking handle.
Detailed Description
As shown in fig. 1, the special fixture for machining the workbench is provided with a T-shaped groove 1.1 on a bottom plate I1, a positioning structure is arranged on the upper end face of the bottom plate I1 and used for supporting a workpiece to be clamped, a T-shaped block 6,T matched with the T-shaped groove 1.1 is arranged at the bottom of the positioning structure, the positioning structure can adjust the position on the bottom plate I1, a backer device 2 and a clamping sliding table device 5 are arranged on the upper end face of the bottom plate I1, a T-shaped block 6,T matched with the T-shaped groove 1.1 is arranged at the bottom of the backer device 2, the backer device 2 and the clamping sliding table device 5 are respectively located at the left side and the right side of the positioning structure, the workpiece to be clamped is placed on the upper surface of the positioning structure, and the two ends are respectively clamped by the backer device 2 and the clamping sliding table device 5.
As shown in fig. 3, the positioning structure includes a plurality of positioning bases 3, the positioning bases 3 are rectangular frame structures, a plurality of threaded holes 7 with equal intervals are transversely arranged on the side surface of the upper frame of the positioning bases 3, and the threaded holes 7 are used for connecting the side positioning structure. The lower surface of the positioning base 3 is provided with a rectangular groove I3.1, a guide flat key I3.2 is embedded in the rectangular groove I3.1, and the guide flat key I3.2 can play a role in guiding and positioning in the T-shaped groove 1.1.
The side location structure includes side kicking block 8, and side kicking block 8 passes through the bolt to be connected with screw hole 7, is provided with locking handle 9 on the 8 side surfaces of side kicking block, and locking handle 9 and 8 threaded connection of side kicking block, the bolt orientation of locking handle 9 are waited to the clamping work piece, and the work piece is placed on location structure back, and rotatory locking handle 9 makes locking handle 9's bolt top clamping work piece side, plays side location effect to the clamping work piece.
As shown in fig. 2, the backer device 2 comprises a bottom plate II2.3 and a connecting plate 2.1, which are vertically connected into an integral structure, triangular reinforcing ribs 2.4 are arranged on two sides of the connecting plate 2.1, so that the backer device 2 can bear larger transverse clamping force, a U-shaped groove 2.1.1 is arranged on the side surface of the connecting plate 2.1, a stopper 2.2 is connected with the connecting plate 2.1 through a bolt and can slide up and down in the U-shaped groove, and the stopper 2.2 is made of wear-resistant material; the bottom of the bottom plate II2.3 is provided with a rectangular groove II2.3.1, a guide flat key II2.3.2 is embedded in a rectangular groove II2.3.1, and the bottom plate can play a role in guiding and positioning in the T-shaped groove 1.1.
As shown in fig. 4, the structure of the clamping slide table device 5 is as follows: base 5.1 passes through bolt and bottom plate I1 fixed connection, two rectangular steel rail 5.3 of 5.1 up end installation parallel arrangement of base, sliding connection has slip table 5.11 on rectangular steel rail 5.3, terminal surface fixedly connected with clamp plate 5.8 under the slip table 5.11, clamp plate 5.8 is located the both sides of slip table 5.11 length direction, and clamp plate 5.8 and the relative lateral surface contact of rectangular steel rail 5.3, wherein, T type is personally submitted to rectangular steel rail 5.3's side, constitute by horizontal part and vertical portion, sliding motion is done on the horizontal part to slip table 5.11.
The upper end face of the sliding table 5.11 is fixedly connected with a lower jaw 5.7, the upper end face of the lower jaw 5.7 is a 30-degree inclined plane, the lower portion of the sliding table is connected with the sliding table 5.11 through a bolt, the inclined plane of the lower jaw 5.7 is connected with an upper jaw 5.5 in a sliding mode, the upper jaw 5.5 and the lower jaw 5.7 are connected through a clamping bolt 5.6 and control relative positions, a stop block 5.4 is fixedly connected onto the surface of one side, facing a workpiece, of the upper jaw 5.5, the workpiece to be machined is placed on the positioning structure, the upper jaw 5.5 is put down to slide towards the workpiece along the inclined plane of the lower jaw 5.7, one side face of the workpiece is in contact with the stop block 5.4, after the clamping degree meets the requirement, the clamping bolt 5.6 is screwed, so that no displacement occurs between the upper jaw 5.5.5 and the lower jaw 5.7, the other side face of the backer device 2 is adjusted, the stop block 2.2 of the backer device 2 is in contact with the side face of the workpiece, the workpiece is clamped and positioned, and the sliding table 5.11 is fixedly connected with collision blocks 5.2 at two sides of the base 5.1, and plays roles of limiting travel of the sliding table 5.11 and safety protection.
As shown in fig. 5, a movable pressing plate 5.12 is arranged at the bottom of the sliding table 5.11 and is connected with the sliding table 5.11 through a locking bolt 5.10, a wrench 5.9 is connected with the locking bolt 5.10, the movable pressing plate 5.12 is driven to move up and down along the length direction of the bolt through clockwise rotation or counterclockwise rotation of the wrench 5.9, the movable pressing plate 5.12 is located between the two rectangular steel rails 5.3, the end surfaces of two sides of the movable pressing plate 5.12 are respectively contacted with the vertical parts of the corresponding rectangular steel rails 5.3, the locking bolt 5.10 is rotated clockwise by the wrench 5.9, the movable pressing plate 5.12 moves up along the length direction of the locking bolt 5.10, and moves to the lower end surface of the horizontal part of the rectangular steel rail 5.3, the movable pressing plate 5.12 is clamped with the rectangular steel rails 5.3, the sliding table 5.11 is locked and cannot move linearly along the rectangular steel rails 5.3, otherwise, and the sliding table 5.11 is loosened to recover the movement; the bottom of the sliding table 5.11 is provided with a guide groove 5.13, the upper end face of the movable pressing plate 5.12 is provided with a bulge 5.14, the bulge 5.14 is matched with the guide groove 5.13, the movable pressing plate 5.12 is prevented from axially rotating along the locking bolt 5.10, and the limiting effect is achieved.
The utility model discloses a working process as follows: as shown in fig. 6, the workbench to be machined, which is a VMC850B vertical machining center workbench, is hoisted to a position above the special fixture, the positioning structure 3 and the backer device 2 are adjusted to a proper machining position and locked, the workpiece slowly falls down until the sliding block surface of the workbench is attached to the upper surface of the positioning structure 3, the wrench 5.9 is rotated anticlockwise, the movable pressing plate 5.12 moves downwards, the sliding table 5.11 is pushed to be close to the workpiece until the stop 5.4 is attached to the right side of the workpiece, the wrench 5.9 is rotated clockwise, the movable pressing plate 5.12 moves upwards, and when the sliding table moves to the lower end surface of the horizontal part of the rectangular steel rail 5.3, the movable pressing plate 5.12 and the rectangular steel rail 5.3 are in a clamping state; according to the length of a workpiece to be machined, a proper threaded hole 7 is selected on the side face of the positioning structure 3, a side jacking block 8 is installed, and a locking handle 9 is rotated, so that a bolt of the locking handle 9 can jack the side face of the clamped workpiece tightly, and the side positioning effect on the clamped workpiece is achieved.
Claims (10)
1. The utility model provides a workstation processing special fixture which characterized in that: a positioning structure is arranged on the base plate I (1), an backer device (2) and a clamping sliding table device (5) are arranged on the upper end face of the base plate I (1), and the position of the backer device (2) on the base plate I (1) is variable;
the clamping sliding table device (5) comprises a movable clamping part.
2. The special fixture for processing the workbench according to claim 1, wherein: the positioning structure comprises a plurality of positioning bases (3), the positioning bases (3) are of rectangular frame structures, and a plurality of threaded holes (7) with equal intervals are transversely formed in the side surfaces of the upper frames of the positioning bases (3).
3. The special fixture for machining the workbench according to claim 2, characterized in that: the lower surface of location base (3) be equipped with rectangular channel I (3.1), rectangular channel I (3.1) is embedded to have direction parallel key I (3.2).
4. The special fixture for processing the workbench according to claim 1, wherein: the base plate I (1) on be provided with a plurality of T type groove (1.1), the bottom of location structure bottom and backer device (2) all is provided with T type piece (6), T type piece (6) and T type groove (1.1) cooperation.
5. The special fixture for processing the workbench according to claim 2, wherein: the positioning base (3) is provided with a side ejecting block (8), the side ejecting block (8) is connected with the threaded hole (7) through a bolt, a locking handle (9) is arranged on the side surface of the side ejecting block (8), and the locking handle (9) is in threaded connection with the side ejecting block (8).
6. The special fixture for processing the workbench according to claim 1, wherein: the backer device (2) include bottom plate II (2.3) and connecting plate (2.1), the two structure as an organic whole of connecting perpendicularly, connecting plate (2.1) both sides are provided with triangle-shaped strengthening rib (2.4), connecting plate (2.1) side surface is provided with dog (2.2), open bottom plate II (2.3) bottom has rectangular channel II (2.3.1), rectangular channel II (2.3.1) embedded has direction parallel key II (2.3.2).
7. The special fixture for processing the workbench according to claim 1, wherein: the clamping sliding table device (5) is structurally characterized in that a base (5.1) is fixedly connected with a base plate I (1) through bolts, two rectangular steel rails (5.3) which are arranged in parallel are arranged on the upper end face of the base (5.1), the side end faces of the rectangular steel rails (5.3) are in a T shape, the T shape is formed by a horizontal portion and a vertical portion, and the movable clamping portion can perform sliding motion on the horizontal portion.
8. The special fixture for workbench machining according to claim 7, wherein: but movable clamping part include slip table (5.11), slip table (5.11) are sliding motion on the horizontal part of rectangle rail (5.3), terminal surface fixedly connected with clamp plate (5.8) under slip table (5.11), clamp plate (5.8) are located slip table (5.11) length direction's both sides, and the relative lateral surface contact of clamp plate (5.8) and two rectangle rails (5.3), slip table (5.11) up end fixedly connected with lower jaw (5.7), lower jaw (5.7) up end is 30 degrees inclined planes, the lower part passes through bolted connection with slip table (5.11), sliding connection has last jaw (5.5) on lower jaw (5.7) inclined plane, go up jaw (5.5) and lower jaw (5.7) and connect and control relative position through clamping bolt (5.6), go up jaw (5.5) towards one side surface of work piece fixedly connected with dog (5.4), both sides fixedly connected with slide block (5.2.2) around slip table (5.11) is followed to base (5.1).
9. The special fixture for workbench machining according to claim 7, wherein: slip table (5.11) bottom be provided with movable clamp plate (5.12), the two is connected through locking bolt (5.10), be connected with spanner (5.9) on locking bolt (5.10), movable clamp plate (5.12) are located between two rectangle rail (5.3), and the both sides terminal surface of movable clamp plate (5.12) contacts with the vertical part of the rectangle rail (5.3) that corresponds respectively.
10. The special fixture for processing the workbench according to claim 9, wherein: the bottom of the sliding table (5.11) is provided with a guide groove (5.13), the upper end surface of the movable pressing plate (5.12) is provided with a bulge (5.14), and the bulge (5.14) is matched with the guide groove (5.13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222084763.1U CN217800371U (en) | 2022-08-09 | 2022-08-09 | Special fixture for machining workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222084763.1U CN217800371U (en) | 2022-08-09 | 2022-08-09 | Special fixture for machining workbench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217800371U true CN217800371U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222084763.1U Active CN217800371U (en) | 2022-08-09 | 2022-08-09 | Special fixture for machining workbench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217800371U (en) |
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2022
- 2022-08-09 CN CN202222084763.1U patent/CN217800371U/en active Active
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