CN212470579U

CN212470579U - Clamping device for machining

Info

Publication number: CN212470579U
Application number: CN202020556878.4U
Authority: CN
Inventors: 郑芳圆
Original assignee: Hangzhou Qiyu Precision Machinery Co ltd
Current assignee: Hangzhou Qiyu Precision Machinery Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2021-02-05
Anticipated expiration: 2030-04-15

Abstract

The utility model relates to the technical field of machining, and a clamping device for machining is disclosed, comprising a base plate, bottom plate upper surface left side fixedly connected with cylindrical gear case, the cylindrical gear case inner bottom lateral wall is provided with the bevel gear dish, bevel gear dish upper surface is provided with the helical rack, the helical rack top is provided with three I-shaped sliders of group, the I-shaped sliding tray has been seted up to cylindrical gear case upper surface, I-shaped slider lower surface is provided with the arc rack. This a clamping device for machining, through the cooperation that three groups rotated the tight piece of clamp, tight cylinder class work piece of clamp and small-size irregular article that can be fine, then the cooperation that the tight piece of fixed clamp and the tight piece of slip clamp can press from both sides tight panel and part irregular article, further through the cooperation of two sets of tight strips of clamp, can improve the fixed tight piece of clamp and the tight piece of slip clamp to the centre gripping effect of part work piece, has indirectly promoted the suitability of device to the work piece.

Description

Clamping device for machining

Technical Field

The utility model relates to a machining technical field specifically is a clamping device for machining.

Background

The clamping device, which may also be called a jig, is a device for holding a processing object in a correct position for receiving a construction or inspection in a machine manufacturing process. In a broad sense, any procedure in the process is used for installing a product quickly, conveniently and safely, and the device can be called a clamping device, along with the rapid development of machining, the complexity of the product is increased day and night, product clamping also becomes the field of intensive research of many researchers, most of the clamping tools of the current workpieces are manual clamps, and the manual clamps have the advantages of low carbon, high flexibility and small size.

For example, chinese patent publication No. CN208854198U discloses a clamping device for machining, which is basically described as a clamping device for machining, and includes a base, three sliding grooves formed in the base, and clamping blocks inserted into the three sliding grooves in a sliding manner, wherein the inner ends of the three sliding grooves are connected, the included angles between any two sliding grooves are the same, the inner end surfaces of the three clamping blocks are perpendicular to the base, the outer end surfaces of the clamping blocks are inclined planes, the bottom ends of the three clamping blocks close to the base are wider than the top end far away from the base, the outer end surfaces of the clamping blocks are both arc surfaces and are both provided with threads, the three clamping blocks are externally threaded with adjusting rings, the top end and the bottom end of each adjusting ring are both connected with an anti-slip ring abutted against the clamping blocks, the three clamping blocks are both connected with adjusting assemblies, each adjusting assembly includes a fixed seat, a spring, an adjusting rod, an upper threaded member and a lower threaded, irregular workpieces with different sizes can be clamped, and the clamp is simple and reliable in structure and low in cost.

The inventor finds that the following problems exist in the actual use process in the invention patent: this a clamping device for machining, cylindrical work piece of centre gripping and part irregular work piece that three clamp splice can be fine, but the centre gripping effect is unstable when the work piece of face panel or horizontal centre gripping.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a clamping device for machining has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a clamping device for machining comprises a bottom plate, wherein a cylindrical gear box is fixedly connected to the left side of the upper surface of the bottom plate, a bevel gear disc is arranged on the side wall of the inner bottom of the cylindrical gear box, a spiral rack is arranged on the upper surface of the bevel gear disc, three groups of I-shaped sliding blocks are arranged above the spiral rack, I-shaped sliding grooves are formed in the upper surface of the cylindrical gear box, arc-shaped racks are arranged on the lower surfaces of the I-shaped sliding blocks, a rotating clamping block is fixedly connected to the upper surface of the I-shaped sliding block, a bevel gear is arranged below the bevel gear disc and meshed with the bevel gear, a first four-angle rotating block is fixedly connected to the front surface of the bevel gear, the four-angle sliding blocks are inserted into the front surface of the cylindrical gear box, a fixed clamping block is arranged on the right side of the, the upper surface of the clamping strip sliding block is fixedly connected with a clamping strip, the upper surface of the clamping strip is provided with eight groups of positioning through holes, the positioning through holes are inserted with positioning pins, the right side of the fixed clamping block is provided with a sliding clamping block, the upper surface of the sliding clamping block is provided with ten groups of positioning blind holes, the right side surface of the sliding clamping block is fixedly connected with a sliding moving block, the lower surface of the sliding moving block is fixedly connected with two groups of T-shaped sliding blocks, the upper surface of the bottom plate is provided with two groups of T-shaped sliding grooves, the right side surface of the sliding moving block is rotatably connected with four groups of lead screws, the right side surface of the upper surface of the bottom plate is fixedly connected with a lead screw positioning plate, the right side surface of the lead screw positioning plate is provided with, the outer surface of the rotating shaft is sleeved with a driving outer gear, four groups of driven outer gears are arranged on the periphery of the driving outer gear, the screw rod is inserted into the driven outer gears, the right side of the rotating shaft is fixedly connected with a second four-corner rotating block, and a rocking handle is inserted into the second four-corner sliding block.

Preferably, the right side of the fixed clamping block and the left side of the sliding clamping block are provided with anti-skid lines.

Preferably, the clamping strip sliding groove is matched with the clamping strip sliding block, and the positioning pin is matched with the positioning through hole and the positioning blind hole.

Preferably, T type sliding block and T type sliding tray looks adaptation, the inside internal thread that is provided with of lead screw locating hole, internal thread and lead screw looks adaptation.

Preferably, four-corner rotating holes are formed in the front face of the first four-corner rotating block and the right side face of the second four-corner rotating block, and the four-corner rotating holes are matched with the rocking handle.

Preferably, the spiral rack is matched with the arc rack, and the inner side of the rotary clamping block is a 120-degree triangle.

(III) advantageous effects

Compared with the prior art, the utility model provides a clamping device for machining possesses following beneficial effect:

1. this a clamping device for machining, through the cooperation that three groups rotated the tight piece of clamp, tight cylinder class work piece of clamp and small-size irregular article that can be fine, then the cooperation that the tight piece of fixed clamp and the tight piece of slip clamp can press from both sides tight panel and part irregular article, further through the cooperation of two sets of tight strips of clamp, can improve the fixed tight piece of clamp and the tight piece of slip clamp to the centre gripping effect of part work piece, has indirectly promoted the suitability of device to the work piece.

2. This a clamping device for machining, radial movement when rotating tight piece through three groups guarantees three groups and rotates the concentricity that presss from both sides tight piece, and then improves the stability of device to article centre gripping effect, and through the tight of the rotation control work piece's of rocking handle clamp, the rocking handle can be dismantled, has avoided the rocking handle to disturb the construction, has avoided touching the rocker by mistake simultaneously and has influenced the centre gripping effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the cylindrical gear box of the present invention;

fig. 3 is the schematic diagram of the internal structure of the rectangular gear box of the present invention.

In the figure: 1. a base plate; 2. a cylindrical gear case; 3. a bevel gear disc; 4. a helical rack; 5. an I-shaped slide block; 6. an I-shaped sliding groove; 7. an arc-shaped rack; 8. rotating the clamping block; 9. a bevel gear; 10. a first four-corner rotating block; 11. fixing the clamping block; 12. a clamping bar sliding groove; 13. a clamping bar sliding block; 14. a clamping bar; 15. positioning the through hole; 16. positioning pins; 17. a sliding clamping block; 18. positioning the blind hole; 19. a sliding moving block; 20. a T-shaped sliding block; 21. a T-shaped sliding groove; 22. a lead screw; 23. a lead screw positioning plate; 24. a screw positioning hole; 25. a rectangular gear case; 26. a rotating shaft; 27. a driving external gear; 28. a driven external gear; 29. a second four-corner rotating block; 30. a rocking handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a clamping device for machining comprises a bottom plate 1, the bottom plate 1 provides a supporting and stabilizing effect for the device, a cylindrical gear box 2 is fixedly connected to the left side of the upper surface of the bottom plate 1, a bevel gear disc 3 is arranged on the inner bottom side wall of the cylindrical gear box 2, a spiral rack 4 is arranged on the upper surface of the bevel gear disc 3, three I-shaped sliders 5 are arranged above the spiral rack 4, an I-shaped sliding groove 6 is formed in the upper surface of the cylindrical gear box 2, an arc-shaped rack 7 is arranged on the lower surface of the I-shaped slider 5, the spiral rack 4 is matched with the arc-shaped rack 7 in a rotating mode, the I-shaped slider 5 is driven to move in the radial direction, a rotating clamping block 8 is fixedly connected to the upper surface of the I-shaped slider 5, the I-shaped slider 5 drives the rotating clamping block 8 to, three groups of rotating clamping blocks 8 move radially simultaneously to ensure concentricity of the three groups of rotating clamping blocks 8 and further improve stability of the device on clamping effect of an object, a bevel gear 9 is arranged below a bevel gear disc 3, the bevel gear disc 3 is meshed with the bevel gear 9, a first four-corner rotating block 10 is fixedly connected to the front of the bevel gear 9, the first four-corner rotating block 10 is inserted in the front of a cylindrical gear box 2, a fixed clamping block 11 is arranged at the right side of the cylindrical gear box 2, a clamping strip sliding groove 12 is formed in the upper surface of the fixed clamping block 11, two groups of clamping strip sliding blocks 13 are clamped in the clamping strip sliding groove 12, a clamping strip 14 is fixedly connected to the upper surface of the clamping strip sliding block 13, eight groups of positioning through holes 15 are formed in the upper surface of the clamping strip 14, positioning pins 16 are inserted in the positioning through holes 15, a sliding clamping block 17 is arranged at the right side of the fixed clamping block, the upper surface of the sliding clamping block 17 is provided with ten groups of positioning blind holes 18, the clamping strips 14 are fixed through the positioning pins 16, the clamping effect of the fixed clamping block 11 and the sliding clamping block 17 on partial workpieces can be improved through the cooperation of the two groups of clamping strips 14, the applicability of the device to the workpieces is indirectly improved, the right side surface of the sliding clamping block 17 is fixedly connected with a sliding moving block 19, the lower surface of the sliding moving block 19 is fixedly connected with two groups of T-shaped sliding blocks 20, the upper surface of the bottom plate 1 is provided with two groups of T-shaped sliding grooves 21, the right side surface of the sliding moving block 19 is rotatably connected with four groups of lead screws 22, the right side of the upper surface of the bottom plate 1 is fixedly connected with a lead screw positioning plate 23, the right side surface of the lead screw positioning plate 23 is provided with four groups of lead screw positioning holes, the outer surface of axis of rotation 26 has cup jointed initiative external gear 27, initiative external gear 27 is provided with four groups of driven external gears 28 all around, lead screw 22 is pegged graft inside driven

external gear

28, 26 right side fixedly connected with second four corners rotating block 29 of axis of rotation, second four corners rotating block 29 is pegged graft and is had rocking handle 30, second four corners rotating block 29 rotates and drives axis of rotation 26 and rotate, axis of rotation 26 drives driven external gear 28 and rotates, driven external gear 28 drives lead screw 22 and rotates, lead screw 22 cooperation lead screw locating hole 24 drives the slip and presss from both sides tight piece 17 and removes, fixed clamp piece 11 and the cooperation that the slip pressed from both sides tight piece 17 can press from both sides panel and partial irregular article, the clamp of rotation control work piece of rocking handle 30, rocking handle 30 can be dismantled, rocking handle 30 interference construction has been avoided.

The utility model discloses in, in order to improve the tight effect of the right flank of the tight piece of the fixed clamp 11 and the tight piece 17's of the tight piece's of slip clamp tight, the right flank of the tight piece of the fixed clamp 11 and the left surface of the tight piece 17 of slip clamp all are provided with anti-skidding line, and anti-skidding line can make the work piece more difficult slip.

The utility model discloses in, press from both sides tight piece 11 and slip to press from both sides the centre gripping effect of tight piece 17 to partial work piece in order to improve, press from both sides tight strip sliding tray 12 and press from both sides tight strip sliding block 13 looks adaptation, locating pin 16 and positioning hole 15 and location blind hole 18 looks adaptation, press from both sides tight strip sliding block 13 and drive and press from both sides tight strip 14 and rotate and remove, locating pin 16 will press from both sides tight strip 14 fixedly, two sets of cooperation that press from both sides tight strip 14 can improve the centre gripping effect of fixed tight piece 11 and slip tight piece 17 to partial work piece.

The utility model discloses in, for the fluency of the removal of slip movable block 19, T type sliding block 20 and T type sliding tray 21 looks adaptation, slip movable block 19 removes along T type sliding tray 21, the inside internal thread that is provided with of lead screw locating hole 24, internal thread and lead screw 22 looks adaptation, lead screw 22 drive slip movable block 19 and remove.

The utility model discloses in, for the result of use that improves the device, the four corners rotation hole has been seted up to the front of the rotatory piece in first four corners and the right flank of the rotatory piece in second four corners 29, and the four corners rotates hole and rocking handle 30 looks adaptation, and rocking handle 30 can be dismantled, has avoided rocking handle 30 to disturb the construction, has avoided mistake touch rocking handle 30 to influence the centre gripping effect simultaneously.

The utility model discloses in, in order to improve the device to the centre gripping effect of cylinder work piece, helical rack 4 and 7 looks adaptations of arc rack rotate and press from both sides 8 inboards and be 120 degrees triangle-shaped, arc rack 7 makes three groups through drive mechanism and rotate the radial movement when pressing from both sides tight piece 8, guarantees three groups and rotates the concentricity that presss from both sides tight piece 8, and then improves the device to the stability of article centre gripping effect, three groups rotate to press from both sides tight piece 8 and can close tightly, the effectual adaptability that has improved the device to cylinder class work piece.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the clamping device is used, a workpiece is obtained, the type of the workpiece is judged, the rocking handle 30 is used for rotating the first four-corner rotating block 10 for cylindrical workpieces and small irregular workpieces, the workpiece is placed in the center of the rotating clamping block 8, the rocking handle 30 is used for rotating the first four-corner rotating block 10 to clamp the workpiece, the rocking handle 30 is used for rotating the second four-corner rotating block 29 for other workpieces, the workpiece is placed between the fixed clamping block 11 and the sliding clamping block 17, and the rocking handle 30 is used for rotating the second four-corner rotating block 29 to clamp the workpiece.

In conclusion, this a clamping device for machining, through the cooperation of three group's rotation clamp piece 8, can be fine the tight cylinder class work piece of clamp and small-size irregular article, then the cooperation that fixed clamp piece 11 and slip clamp piece 17 can press from both sides panel and part irregular article, further through the cooperation of two sets of clamp strips 14, can improve the fixed clamp piece 11 and the slip clamp piece 17 to the centre gripping effect of part work piece, has indirectly promoted the suitability of device to the work piece.

This a clamping device for machining, radial movement when rotating tight piece 8 through three groups guarantees three groups and rotates the concentricity that presss from both sides tight piece 8, and then improves the stability of device to article centre gripping effect, through the clamp tight of the rotation control work piece of rocking handle 30, and rocking handle 30 can be dismantled, has avoided rocking handle 30 to disturb the construction, has avoided the mistake to touch rocking handle 30 simultaneously and has influenced the centre gripping effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A clamping device for machining, comprising a base plate (1), characterized in that: the left side of the upper surface of the bottom plate (1) is fixedly connected with a cylindrical gear box (2), the inner bottom side wall of the cylindrical gear box (2) is provided with a bevel gear disc (3), the upper surface of the bevel gear disc (3) is provided with a spiral rack (4), three groups of I-shaped sliding blocks (5) are arranged above the spiral rack (4), the upper surface of the cylindrical gear box (2) is provided with an I-shaped sliding groove (6), the lower surface of the I-shaped sliding block (5) is provided with an arc-shaped rack (7), the upper surface of the I-shaped sliding block (5) is fixedly connected with a rotating clamping block (8), a bevel gear (9) is arranged below the bevel gear disc (3), the bevel gear disc (3) is meshed with the bevel gear (9), the front of the bevel gear (9) is fixedly connected with a first rotating quadrangular block (10), and the first quadrangular, a fixed clamping block (11) is arranged on the right side of the cylindrical gear box (2), a clamping strip sliding groove (12) is formed in the upper surface of the fixed clamping block (11), two groups of clamping strip sliding blocks (13) are clamped in the clamping strip sliding groove (12), a clamping strip (14) is fixedly connected to the upper surface of the clamping strip sliding block (13), eight groups of positioning through holes (15) are formed in the upper surface of the clamping strip (14), positioning pins (16) are inserted in the positioning through holes (15), a sliding clamping block (17) is arranged on the right side of the fixed clamping block (11), ten groups of positioning blind holes (18) are formed in the upper surface of the sliding clamping block (17), a sliding moving block (19) is fixedly connected to the right side surface of the sliding clamping block (17), two groups of T-shaped sliding blocks (20) are fixedly connected to the lower surface of the sliding moving block (19), two groups of T-shaped sliding grooves, the right side surface of the sliding moving block (19) is rotationally connected with four groups of lead screws (22), the right side of the upper surface of the bottom plate (1) is fixedly connected with a lead screw positioning plate (23), four groups of screw positioning holes (24) are arranged on the right side surface of the screw positioning plate (23), the screw rod (22) is inserted into the screw rod positioning hole (24), a rectangular gear box (25) is arranged on the right side of the screw rod (22), a rotating shaft (26) is fixedly connected with the left side wall in the rectangular gear box (25), the outer surface of the rotating shaft (26) is sleeved with a driving outer gear (27), four groups of driven outer gears (28) are arranged around the driving outer gear (27), the screw rod (22) is inserted into the driven outer gear (28), a second four-corner rotating block (29) is fixedly connected to the right side of the rotating shaft (26), and a rocking handle (30) is inserted into the second four-corner rotating block (29).

2. A clamping device for machining according to claim 1, characterised in that: the right side of the fixed clamping block (11) and the left side of the sliding clamping block (17) are provided with anti-skid lines.

3. A clamping device for machining according to claim 1, characterised in that: the clamping strip sliding groove (12) is matched with the clamping strip sliding block (13), and the positioning pin (16) is matched with the positioning through hole (15) and the positioning blind hole (18).

4. A clamping device for machining according to claim 1, characterised in that: t type sliding block (20) and T type sliding tray (21) looks adaptation, lead screw locating hole (24) inside is provided with the internal thread, internal thread and lead screw looks adaptation.

5. A clamping device for machining according to claim 1, characterised in that: the front surface of the first four-corner rotating block (10) and the right side surface of the second four-corner rotating block (29) are provided with four-corner rotating holes, and the four-corner rotating holes are matched with the rocking handle (30).

6. A clamping device for machining according to claim 1, characterised in that: the spiral rack (4) is matched with the arc rack (7), and the inner side of the rotary clamping block (8) is 120-degree triangular.