CN115122239A - Machine tool machining clamp and using method thereof - Google Patents
Machine tool machining clamp and using method thereof Download PDFInfo
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- CN115122239A CN115122239A CN202210981604.3A CN202210981604A CN115122239A CN 115122239 A CN115122239 A CN 115122239A CN 202210981604 A CN202210981604 A CN 202210981604A CN 115122239 A CN115122239 A CN 115122239A
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- 238000003754 machining Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000000670 limiting effect Effects 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 16
- 230000002457 bidirectional effect Effects 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/068—Table-like supports for panels, sheets or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention belongs to the technical field of machine tool accessories, and particularly relates to a machine tool machining clamp and a using method thereof, wherein the machine tool machining clamp comprises a bottom plate, the upper surface of the bottom plate is fixedly provided with an installation table, the upper surface of the installation table is provided with a plurality of parallel clamping grooves, two side walls of each clamping groove are vertical and are provided with an accommodating groove, a clamping block is horizontally matched with the accommodating groove in a sliding manner, the end surface of the clamping block, which is positioned outside the accommodating groove, is a vertical surface, and a clamping spring is fixedly connected between the end surface of the clamping block, which is positioned inside the accommodating groove, and the end surface of the accommodating groove; a positioning mechanism is arranged on the mounting table, and a limiting mechanism is arranged on the bottom plate; according to the invention, the circular grooves on the same side of each connecting sheet are in an axis coincidence state through the positioning mechanism, and the two ends of each connecting sheet are limited through the limiting mechanism, so that the edges of the circular grooves on the same side of each connecting sheet are parallel and level, and the uniform grinding effect at the edges of the circular grooves is ensured; the invention ensures the stable installation of the bolt and avoids the loosening of the clamp.
Description
Technical Field
The invention belongs to the technical field of machine tool accessories, and particularly relates to a machine tool machining clamp and a using method thereof.
Background
The machine tool clamp is a device used for clamping a workpiece and guiding a cutter on a machine tool, and can ensure higher machining precision and production efficiency; the machine tool clamp is contacted with the positioning reference of the workpiece, so that the relative correct position of the workpiece relative to the cutter and the machining motion of the machine tool during machining is ensured; the connecting piece is a common connecting part, two circular grooves are usually punched on a rectangular metal sheet to be manufactured, the edges of the circular grooves of the connecting piece are ground through a grinding machine tool after the connecting piece is formed, and the connecting piece is clamped and fixed through a clamp in the grinding process.
The prior clamp has the following problems when clamping the connecting sheet: (1) when a plurality of connecting sheets are clamped, the round groove edges on the connecting sheets are difficult to be leveled, and the grinding effect of the grinding cutter on the round groove edges is easy to be uneven; (2) the clamp is fixed on the machine tool through the bolt, deviation occurs between the bolt and a screw hole on the machine tool easily in the installation process of the bolt, so that connection is unstable, the unstable bolt is easily loosened due to vibration generated during the working process of the machine tool, and the clamp is loosened.
Disclosure of Invention
In order to solve the technical problems, the invention specifically adopts the following technical scheme: a machine tool machining clamp comprises a horizontal bottom plate, wherein an installation table is fixedly arranged on the upper surface of the bottom plate, a plurality of parallel clamping grooves are formed in the upper surface of the installation table, and the end surfaces of the clamping grooves are flush with the side walls of the installation table; the clamping device comprises a clamping groove, a clamping spring, a clamping block, a clamping spring and a clamping spring, wherein two side walls of the clamping groove are vertical and are provided with an accommodating groove; a circular through hole vertically penetrating through the bottom plate is formed in the bottom plate, and a sleeve barrel coinciding with the axis of the circular through hole is rotatably mounted on the upper surface of the bottom plate; the circular through hole corresponds to a threaded hole in the machine tool, and the bolt penetrates through the sleeve and extends into the circular through hole and the threaded hole in the machine tool, so that the fixture and the machine tool are fixed; the connecting sheet is inserted into each clamping groove in sequence, and the elastic force of the clamping spring enables the clamping block to clamp the connecting sheet tightly.
The mounting table is provided with a positioning mechanism, the positioning mechanism comprises two guide blocks which are fixedly mounted on two side walls of the mounting table respectively, horizontal positioning round rods are mounted in the guide blocks in a sliding fit mode, the positioning round rods are perpendicular to the end surfaces of the clamping blocks, which are positioned outside the accommodating groove, and one ends of the two positioning round rods are fixedly connected through a connecting rod; the diameter of the positioning round rod is equal to the diameter of the connecting piece round groove, the positioning function of the round grooves on two sides of the connecting piece is realized by sequentially inserting the positioning round rod into the round grooves of the connecting pieces, the round grooves on one side of each connecting piece are ensured to be in an axis coincidence state, and the round grooves on the connecting pieces are flush with the edges of the round grooves.
The bottom plate is provided with a limiting mechanism, the limiting mechanism comprises two vertical plates which are symmetrically arranged on two sides of the mounting table, and the vertical plates are slidably arranged on the upper surface of the bottom plate along the direction vertical to the positioning round rod; two lead screw supports are fixedly arranged on the upper surface of the bottom plate, a horizontal bidirectional lead screw is rotatably arranged between the two lead screw supports, and the bidirectional lead screw penetrates through the two vertical plates in a thread fit manner; a limiting frame is fixedly arranged on the vertical plate corresponding to each clamping groove, a limiting block penetrating through the vertical plate is horizontally and movably arranged in the limiting frame, and the sliding direction of the limiting block is perpendicular to the positioning round rod; the end part of the limiting block, which is far away from the mounting table, is fixedly provided with an end plate, and a limiting spring is horizontally and fixedly connected between the end plate and the vertical plate; the two vertical plates are driven to move oppositely by rotating the bidirectional screw rod until the limiting blocks on the two vertical plates are attached to the end parts of the connecting pieces; the bidirectional screw is continuously rotated to drive the two vertical plates to move oppositely, so that the limiting block is pressed against the end part of the connecting sheet through the elastic action of the limiting spring to limit the connecting sheet; it should be noted that, because the length is difficult to guarantee to be consistent in the manufacturing and forming process of the connecting sheet, the function of limiting the connecting sheets with different lengths can be realized through the structure.
As a preferable technical scheme of the invention, a plurality of vertical rubber strips are uniformly and fixedly arranged on the end surface of the clamping block positioned outside the accommodating groove, so that the friction force between the clamping block and the connecting sheet is increased, and the clamping effect of the clamping block on the connecting sheet is improved.
As a preferred technical scheme of the invention, the bottom surface of the accommodating groove is vertically and slidably provided with a lifting block, and the top surface of the lifting block is an inclined surface and is in sliding fit with the surface of the clamping block; a horizontal groove is formed in the end face of the mounting table, a lifting plate is vertically and slidably mounted in the horizontal groove, and the bottom surface of each lifting block is fixedly connected to the upper surface of the lifting plate; a limiting rod penetrating through the lifting plate is vertically and fixedly arranged on the upper surface of the bottom plate, a vertical adjusting screw rod is rotatably arranged on the upper surface of the bottom plate, and the adjusting screw rod penetrates through the lifting plate in a thread matching mode; through rotating adjusting screw drive lifter plate and rising along the gag lever post, the lifter plate drives each lifter block and rises, and the lifter block rises in-process and laminates mutually with the grip block and supports and press on the grip block to fix the position of grip block, further guaranteed the centre gripping effect of grip block to the connection piece.
According to a preferable technical scheme, a plurality of positioning grooves are uniformly formed in the upper surface of the limiting block along the length direction of the limiting block, a guide rod is vertically and fixedly installed at the top of the vertical plate, an inverted L-shaped plate is vertically and slidably installed on the guide rod, and a positioning strip matched with the positioning grooves is fixedly installed at the bottom end of the L-shaped plate; a vertical positioning screw rod is rotatably arranged at the top of the vertical plate and penetrates through the horizontal section of the L-shaped plate in a thread fit manner; through rotating positioning screw drive L shaped plate and location strip and descend along the guide bar, until the location strip inserts in the constant head tank that corresponds to fix the position of stopper, guaranteed the effect of stopper to the connection piece tip.
As a preferable technical scheme of the invention, a plurality of round rollers are uniformly arranged on the inner wall of the sleeve, and the axes of the round rollers are horizontal lines, so that the friction force between the side wall of the head of the bolt and the inner wall of the sleeve when the bolt descends is reduced.
As a preferred technical scheme of the invention, the end face of the positioning round rod is a conical surface so as to ensure that the positioning round rod can be smoothly inserted into the round groove of each connecting piece.
As a preferred technical scheme of the invention, a horizontal rotary table is rotatably arranged at a position, corresponding to the sleeve, on the upper surface of the bottom plate, a vertical elastic telescopic rod is fixedly arranged on the rotary table, a horizontal top plate is fixedly arranged at the top end of the elastic telescopic rod, and an anti-loosening block is fixedly arranged on the lower surface of the top plate; the turntable is rotated after the elastic telescopic rod is stretched until the anti-loosening block rotates to the position corresponding to the sleeve, the anti-loosening block is pressed on the top surface of the head of the bolt by the elastic force of the elastic telescopic rod after the elastic telescopic rod is loosened, so that the bolt is axially positioned, and the condition that the bolt is loosened is avoided.
The invention provides a use method of the machine tool machining clamp, which comprises the following steps: step one, integral installation: placing the machine tool machining clamp on a machine tool, aligning the circular through hole with a threaded hole on the machine tool, and inserting a bolt into the circular through hole to enable the edge of the head of the bolt to be attached to the inner wall of the sleeve; the bolt is driven to rotate through the rotating sleeve, and the machine tool machining clamp and the machine tool are fixedly connected through the bolt.
Step two, clamping and positioning: sequentially inserting the connecting sheet to be processed into each clamping groove, and clamping the surface of the connecting sheet by a clamping block; the connecting rods are pushed to drive the two positioning round rods to be inserted into the round grooves on the two sides of the connecting sheet, and the connecting sheets are positioned through the positioning round rods, so that the round grooves on the same side of the connecting sheets are in an axis coincidence state.
Step three, limiting and fixing: the two vertical plates are driven to move oppositely by rotating the bidirectional screw until the end face of the limiting block is attached to the end part of the connecting piece, so that the connecting piece is limited by the limiting block; the connecting rod is pulled to drive the two positioning round rods to withdraw from the round grooves on the two sides of the connecting sheet.
The invention has at least the following beneficial effects: (1) after the plurality of connecting sheets are clamped by the clamping blocks, the circular grooves on the two sides of the connecting sheets are positioned by the positioning round rods in the positioning mechanisms, so that the circular grooves on the same side of the connecting sheets are in an axis coinciding state, the two ends of the connecting sheets are limited by the limiting mechanisms, the edges of the circular grooves on the same side of the connecting sheets are parallel and level, and the uniform grinding effect on the edges of the circular grooves is ensured.
(2) The bolt head is limited through the sleeve, so that the bolt is ensured to be in a state of keeping the axis line coincidence with the screw hole on the machine tool in the installation process of the bolt, and the bolt is ensured to be stably installed; the top surface of the head of the bolt is limited by the anti-loosening block in the working process of the machine tool, so that the situation that the bolt is axially displaced is avoided, the situation that the bolt is loosened is avoided, and the clamp is ensured to be stably installed on the machine tool.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic perspective view of a first perspective structure of a machine tool machining fixture according to an embodiment of the present invention.
Fig. 2 is a schematic second perspective view of the machine tool machining fixture according to the embodiment of the invention.
Fig. 3 is a plan view of a machine tool machining jig according to an embodiment of the present invention.
Fig. 4 is a front view of a machine tool machining jig in an embodiment of the present invention.
Fig. 5 is an enlarged schematic view of a portion a of fig. 1.
Fig. 6 is an enlarged schematic view of B in fig. 4.
Fig. 7 is a schematic view of a part of the internal structure of the mounting table in the embodiment of the present invention.
Fig. 8 is a step diagram of a method for using the machine tool machining fixture in the embodiment of the invention.
In the figure: 1. a base plate; 101. a circular through hole; 2. an installation table; 201. a clamping groove; 202. accommodating grooves; 203. a horizontal groove; 3. a clamping block; 4. a clamping spring; 5. a positioning mechanism; 501. a guide block; 502. positioning the round rod; 503. a connecting rod; 6. a limiting mechanism; 601. a vertical plate; 602. a lead screw bracket; 603. a bidirectional lead screw; 604. a limiting frame; 605. a limiting block; 606. an end plate; 607. a limiting spring; 608. positioning a groove; 609. a guide bar; 610. an L-shaped plate; 611. a positioning bar; 612. positioning a screw rod; 7. a sleeve; 701. a round roller; 8. a rubber strip; 9. a lifting block; 10. a lifting plate; 11. a limiting rod; 12. adjusting the screw rod; 13. a turntable; 14. an elastic telescopic rod; 15. a top plate; 16. anti-loosening blocks.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1, 2, 3, 5 and 7, a machine tool machining fixture comprises a horizontal bottom plate 1, wherein an installation table 2 is fixedly arranged on the upper surface of the bottom plate 1, a plurality of parallel clamping grooves 201 are formed in the upper surface of the installation table 2, and the end surfaces of the clamping grooves 201 are flush with the side walls of the installation table 2; two side walls of the clamping groove 201 are vertical and are provided with an accommodating groove 202, a clamping block 3 is horizontally and movably matched in the accommodating groove 202, the end face of the clamping block 3, which is positioned outside the accommodating groove 202, is a vertical face, and a horizontal clamping spring 4 is fixedly connected between the clamping block 3 and the end face of the accommodating groove 202; a circular through hole 101 vertically penetrating through the bottom plate 1 is formed in the bottom plate 1, and a sleeve 7 which is overlapped with the axis of the circular through hole 101 is rotatably arranged on the upper surface of the bottom plate 1; the circular through hole 101 corresponds to a threaded hole in a machine tool, and a bolt penetrates through the sleeve 7 and extends into the circular through hole 101 and the threaded hole in the machine tool, so that the fixture and the machine tool are fixed; a plurality of round rollers 701 are uniformly arranged on the inner wall of the sleeve 7, and the axes of the round rollers 701 are horizontal lines so as to reduce the friction force between the side wall of the head of the bolt and the inner wall of the sleeve 7 when the bolt descends; the connecting sheet is inserted into each clamping groove 201 in sequence, and the elastic force of the clamping spring 4 enables the clamping block 3 to clamp the connecting sheet; even fixed mounting has the vertical rubber strip 8 of a plurality of on the grip block 3 lies in the terminal surface outside holding tank 202 to increase the frictional force between grip block 3 and the connection piece, improve the centre gripping effect of grip block 3 to the connection piece.
As shown in fig. 2, a horizontal rotary table 13 is rotatably mounted at a position on the upper surface of the bottom plate 1 corresponding to the sleeve 7, a vertical elastic telescopic rod 14 is fixedly mounted on the rotary table 13, a horizontal top plate 15 is fixedly mounted at the top end of the elastic telescopic rod 14, and an anti-loosening block 16 is fixedly mounted on the lower surface of the top plate 15; after the elastic telescopic rod 14 is stretched, the rotating disc 13 is rotated until the anti-loosening block 16 rotates to the position corresponding to the sleeve 7, the elastic telescopic rod 14 is loosened, and the anti-loosening block 16 is pressed against the top surface of the head of the bolt through the elasticity of the elastic telescopic rod 14, so that the axis of the bolt is positioned, and the condition that the bolt is loosened is avoided.
As shown in fig. 2 and 7, the lifting block 9 is vertically and slidably mounted on the bottom surface of the accommodating groove 202, and the top surface of the lifting block 9 is an inclined surface and is abutted to the clamping block 3; a horizontal groove 203 is formed in the end face of the mounting table 2, a lifting plate 10 is vertically and slidably mounted in the horizontal groove 203, and the bottom surface of each lifting block 9 is fixedly connected to the upper surface of the lifting plate 10; a limiting rod 11 penetrating through the lifting plate 10 is vertically and fixedly arranged on the upper surface of the bottom plate 1, a vertical adjusting screw 12 is rotatably arranged on the upper surface of the bottom plate 1, and the adjusting screw 12 penetrates through the lifting plate 10 in a thread fit mode; through rotating adjusting screw 12 drive lifter plate 10 and rising along gag lever post 11, lifter plate 10 drives each lifter 9 and rises, and lifter 9 rises in-process and the laminating of grip block 3 mutually and support and press on grip block 3 to fix the position of grip block 3, further guaranteed the centre gripping effect of grip block 3 to the connection piece.
As shown in fig. 1 and 3, a positioning mechanism 5 is mounted on the mounting table 2, the positioning mechanism 5 includes two guide blocks 501 respectively fixedly mounted on two side walls of the mounting table 2, a horizontal positioning round rod 502 is mounted in the guide blocks 501 in a sliding fit manner, the positioning round rod 502 is perpendicular to the end surface of the clamping block 3 outside the accommodating groove 202, and one end of each of the two positioning round rods 502 is fixedly connected through a connecting rod 503; the end surface of the positioning round rod 502 is a conical surface to ensure that the positioning round rod 502 can be smoothly inserted into the circular groove of each connecting piece; the diameter of the positioning round rod 502 is equal to the diameter of the connecting piece round groove, the positioning function of the round grooves on two sides of the connecting piece is realized by sequentially inserting the positioning round rod 502 into the round grooves of the connecting pieces, the round grooves on the same side of the connecting pieces are ensured to be in an axis coincidence state, and namely the round grooves on the same side of the connecting pieces are flush with the edges of the round grooves.
As shown in fig. 1, 2, 4 and 6, a limiting mechanism 6 is mounted on the bottom plate 1, the limiting mechanism 6 comprises two vertical plates 601 symmetrically mounted on two sides of the mounting table 2, and the vertical plates 601 are slidably mounted on the upper surface of the bottom plate 1 in a direction perpendicular to the positioning round rods 502; two lead screw supports 602 are fixedly arranged on the upper surface of the bottom plate 1, a horizontal bidirectional lead screw 603 is rotatably arranged between the two lead screw supports 602, and the bidirectional lead screw 603 penetrates through the two vertical plates 601 in a thread fit manner; a limiting frame 604 is fixedly arranged on the vertical plate 601 corresponding to each clamping groove 201, a limiting block 605 penetrating through the vertical plate 601 is horizontally and movably arranged in the limiting frame 604, and the sliding direction of the limiting block 605 is perpendicular to the positioning round rod 502; an end plate 606 is fixedly arranged at the end part of the limiting block 605 far away from the mounting table 2, and a limiting spring 607 is horizontally and fixedly connected between the end plate 606 and the vertical plate 601; the upper surface of the limiting block 605 is uniformly provided with a plurality of positioning grooves 608 along the length direction, the top of the vertical plate 601 is vertically and fixedly provided with a guide rod 609, an inverted L-shaped plate 610 is vertically and slidably arranged on the guide rod 609, and the bottom end of the L-shaped plate 610 is fixedly provided with a positioning strip 611 matched with the positioning grooves 608; a vertical positioning screw 612 is rotatably mounted on the top of the vertical plate 601, and the positioning screw 612 penetrates through the horizontal section of the L-shaped plate 610 in a thread fit manner.
The two vertical plates 601 are driven to move oppositely by rotating the bidirectional screw 603 until the limiting blocks 605 on the two vertical plates 601 are attached to the end parts of the connecting pieces; the bidirectional screw 603 is continuously rotated to drive the two vertical plates 601 to move oppositely, so that the limiting block 605 is pressed against the end part of the connecting piece under the elastic action of the limiting spring 607, and the limiting block 605 has a limiting effect on the connecting piece; it should be noted that, because the length consistency is difficult to ensure in the manufacturing and forming process of the connecting sheet, the connecting sheet with different lengths can be limited by the structure; the L-shaped plate 610 and the positioning strip 611 are driven to descend along the guide rod 609 by rotating the positioning screw 612 until the positioning strip 611 is inserted into the corresponding positioning groove 608, so that the position of the limiting block 605 is fixed, and the limiting effect of the limiting block 605 on the end part of the connecting piece is ensured.
As shown in fig. 8, the present embodiment provides a method for using the above-mentioned machine tool machining jig, including the following steps: step one, integral installation: placing a machine tool machining clamp on a machine tool, aligning the circular through hole 101 with a threaded hole on the machine tool, and inserting a bolt into the circular through hole 101 to enable the edge of the head of the bolt to be attached to the inner wall of the sleeve 7; the bolt is driven to rotate through the rotating sleeve 7, the machine tool machining clamp and the machine tool are fixedly connected through the bolt, the rotary table 13 is rotated after the elastic telescopic rod 14 is stretched until the anti-loosening block 16 rotates to the position corresponding to the sleeve 7, the elastic telescopic rod 14 is loosened, the anti-loosening block 16 is abutted to the top surface of the head of the bolt through the elastic force of the elastic telescopic rod 14, accordingly, the bolt is axially positioned, and the condition that the bolt is loosened is avoided.
Step two, clamping and positioning: sequentially inserting a connecting sheet to be processed into each clamping groove 201, and clamping the surface of the connecting sheet by a clamping block 3; the connecting rod 503 is pushed to drive the two positioning round rods 502 to be inserted into the round grooves at the two sides of the connecting sheet, and the positioning round rods 502 are used for positioning each connecting sheet, so that the round grooves at the same side on each connecting sheet are in an axis superposition state; through rotating adjusting screw 12 drive lifter plate 10 and rising along gag lever post 11, lifter plate 10 drives each lifter 9 and rises, and lifter 9 rises in-process and the laminating of grip block 3 mutually and support and press on grip block 3 to fix the position of grip block 3, further guaranteed the centre gripping effect of grip block 3 to the connection piece.
Step three, limiting and fixing: the two vertical plates 601 are driven to move oppositely by rotating the bidirectional screw 603 until the end face of the limiting block 605 is attached to the end part of the connecting piece, the bidirectional screw 603 is continuously rotated to drive the two vertical plates 601 to move oppositely, so that the limiting block 605 is pressed against the end part of the connecting piece through the elastic action of the limiting spring 607, and the limiting block 605 limits the connecting piece; the L-shaped plate 610 and the positioning strips 611 are driven to descend along the guide rod 609 by rotating the positioning screw 612 until the positioning strips 611 are inserted into the corresponding positioning grooves 608, the position of the limiting block 605 is fixed, and the limiting effect of the limiting block 605 on the end part of the connecting piece is ensured; the connecting rod 503 is pulled to drive the two positioning round rods 502 to exit from the round grooves on the two sides of the connecting sheet.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a machine tool machining anchor clamps which characterized in that: the clamping device comprises a horizontal bottom plate (1), wherein an installation table (2) is fixedly arranged on the upper surface of the bottom plate (1), a plurality of clamping grooves (201) which are parallel to each other are formed in the upper surface of the installation table (2), and the end surfaces of the clamping grooves (201) are flush with the side wall of the installation table (2); two side walls of the clamping groove (201) are vertical and are provided with accommodating grooves (202), clamping blocks (3) are horizontally and movably matched in the accommodating grooves (202), the end faces, located outside the accommodating grooves (202), of the clamping blocks (3) are vertical faces, and horizontal clamping springs (4) are fixedly connected between the clamping blocks (3) and the end faces of the accommodating grooves (202);
the mounting table (2) is provided with a positioning mechanism (5), the positioning mechanism (5) comprises two guide blocks (501) which are fixedly mounted on two side walls of the mounting table (2) respectively, horizontal positioning round rods (502) are mounted in the guide blocks (501) in a sliding fit mode, the positioning round rods (502) are perpendicular to end faces, located outside the accommodating groove (202), of the clamping blocks (3), and one ends of the two positioning round rods (502) are fixedly connected through a connecting rod (503);
the limiting mechanism (6) is arranged on the bottom plate (1), the limiting mechanism (6) comprises two vertical plates (601) which are symmetrically arranged on two sides of the mounting table (2), and the vertical plates (601) are slidably arranged on the upper surface of the bottom plate (1) along the direction perpendicular to the positioning round rod (502); two lead screw supports (602) are fixedly arranged on the upper surface of the bottom plate (1), a horizontal bidirectional lead screw (603) is rotatably arranged between the two lead screw supports (602), and the bidirectional lead screw (603) penetrates through the two vertical plates (601) in a threaded fit manner; a limiting frame (604) is fixedly arranged on the vertical plate (601) corresponding to the position of each clamping groove (201), a limiting block (605) penetrating through the vertical plate (601) is horizontally movably arranged in the limiting frame (604), and the sliding direction of the limiting block (605) is perpendicular to the positioning round rod (502); an end plate (606) is fixedly mounted at the end part of the limiting block (605) far away from the mounting table (2), and a limiting spring (607) is horizontally and fixedly connected between the end plate (606) and the vertical plate (601);
a circular through hole (101) vertically penetrating through the bottom plate (1) is formed in the bottom plate (1), and a sleeve (7) coinciding with the axis of the circular through hole (101) is rotatably mounted on the upper surface of the bottom plate (1).
2. The machine tool machining jig according to claim 1, characterized in that: the clamping block (3) is located on the end face outside the accommodating groove (202) and is evenly fixedly provided with a plurality of vertical rubber strips (8).
3. The machine tool machining jig according to claim 1, wherein: the bottom surface of the accommodating groove (202) is vertically and slidably provided with a lifting block (9), and the top surface of the lifting block (9) is an inclined surface and is abutted against the surface of the clamping block (3); a horizontal groove (203) is formed in the end face of the mounting table (2), a lifting plate (10) is vertically and slidably mounted in the horizontal groove (203), and the bottom surface of each lifting block (9) is fixedly connected to the upper surface of the lifting plate (10); the upper surface of the bottom plate (1) is vertically and fixedly provided with a limiting rod (11) penetrating through the lifting plate (10), the upper surface of the bottom plate (1) is rotatably provided with a vertical adjusting screw rod (12), and the adjusting screw rod (12) penetrates through the lifting plate (10) in a thread fit mode.
4. The machine tool machining jig according to claim 1, characterized in that: a plurality of positioning grooves (608) are uniformly formed in the upper surface of the limiting block (605) along the length direction of the limiting block, a guide rod (609) is vertically and fixedly installed at the top of the vertical plate (601), an inverted L-shaped plate (610) is vertically and slidably installed on the guide rod (609), and a positioning strip (611) matched with the positioning grooves (608) is fixedly installed at the bottom end of the L-shaped plate (610); the top of the vertical plate (601) is rotatably provided with a vertical positioning screw rod (612), and the positioning screw rod (612) penetrates through the horizontal section of the L-shaped plate (610) in a thread fit mode.
5. The machine tool machining jig according to claim 1, characterized in that: a plurality of round rollers (701) are uniformly arranged on the inner wall of the sleeve (7), and the axis of each round roller (701) is a horizontal line.
6. The machine tool machining jig according to claim 1, wherein: the end face of the positioning round rod (502) is a conical surface.
7. The machine tool machining jig according to claim 1, characterized in that: the anti-loosening device is characterized in that a horizontal rotary table (13) is rotatably mounted at a position, corresponding to the sleeve (7), of the upper surface of the bottom plate (1), a vertical elastic telescopic rod (14) is fixedly mounted on the rotary table (13), a horizontal top plate (15) is fixedly mounted at the top end of the elastic telescopic rod (14), and an anti-loosening block (16) is fixedly mounted on the lower surface of the top plate (15).
8. The machine tool machining jig according to claim 1, characterized in that: the use method of the machine tool machining clamp comprises the following steps:
step one, integral installation: placing a machine tool machining clamp on a machine tool, aligning the circular through hole (101) with a threaded hole on the machine tool, and inserting a bolt into the circular through hole (101) to enable the edge of the head of the bolt to be attached to the inner wall of the sleeve (7); the bolt is driven to rotate through the rotating sleeve (7), and the machine tool machining clamp and the machine tool are fixedly connected through the bolt;
step two, clamping and positioning: sequentially inserting the connecting sheet to be processed into each clamping groove (201), and clamping the surface of the connecting sheet through a clamping block (3); two positioning round rods (502) are driven to be inserted into the round grooves on the two sides of each connecting piece by pushing a connecting rod (503), and each connecting piece is positioned by the positioning round rods (502), so that the round grooves on the same side of each connecting piece are in an axis superposition state;
step three, limiting and fixing: the two vertical plates (601) are driven to move oppositely by rotating the bidirectional screw (603) until the end face of the limiting block (605) is attached to the end part of the connecting piece, so that the connecting piece is limited by the limiting block (605); the connecting rod (503) is pulled to drive the two positioning round rods (502) to exit from the round grooves on the two sides of the connecting sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210981604.3A CN115122239A (en) | 2022-08-16 | 2022-08-16 | Machine tool machining clamp and using method thereof |
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| CN202210981604.3A CN115122239A (en) | 2022-08-16 | 2022-08-16 | Machine tool machining clamp and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116902760A (en) * | 2023-05-16 | 2023-10-20 | 中铁四局集团有限公司 | SP board hoist and mount construction equipment |
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| ITMI990603V0 (en) * | 1999-10-05 | 1999-10-05 | Bavelloni Z Spa | COVERING ELEMENT FOR SHEET CONVEYOR PLUGS IN EDGE PROCESSING MACHINES |
| CN112355825A (en) * | 2020-10-30 | 2021-02-12 | 徐翔 | Batch processing system for glass panels of liquid crystal display screen |
| CN113334011A (en) * | 2021-08-05 | 2021-09-03 | 睢宁志磊家具有限公司 | Furniture hardware corner welding forming fixing tool |
| CN113427299A (en) * | 2021-08-03 | 2021-09-24 | 齐齐哈尔和平重工集团有限公司 | Special clamp for multi-surface milling and boring of large parts |
| CN215789030U (en) * | 2021-09-13 | 2022-02-11 | 东莞市新起航实业有限公司 | Clamping and positioning mechanism for polishing watch glass processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| ITMI990603V0 (en) * | 1999-10-05 | 1999-10-05 | Bavelloni Z Spa | COVERING ELEMENT FOR SHEET CONVEYOR PLUGS IN EDGE PROCESSING MACHINES |
| CN112355825A (en) * | 2020-10-30 | 2021-02-12 | 徐翔 | Batch processing system for glass panels of liquid crystal display screen |
| CN113427299A (en) * | 2021-08-03 | 2021-09-24 | 齐齐哈尔和平重工集团有限公司 | Special clamp for multi-surface milling and boring of large parts |
| CN113334011A (en) * | 2021-08-05 | 2021-09-03 | 睢宁志磊家具有限公司 | Furniture hardware corner welding forming fixing tool |
| CN215789030U (en) * | 2021-09-13 | 2022-02-11 | 东莞市新起航实业有限公司 | Clamping and positioning mechanism for polishing watch glass processing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116902760A (en) * | 2023-05-16 | 2023-10-20 | 中铁四局集团有限公司 | SP board hoist and mount construction equipment |
| CN116902760B (en) * | 2023-05-16 | 2024-06-11 | 中铁四局集团有限公司 | SP board hoist and mount construction equipment |
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