CN112605682A

CN112605682A - Special-shaped outer circle quick clamping tool capable of improving machining precision

Info

Publication number: CN112605682A
Application number: CN202011487077.8A
Authority: CN
Inventors: 刘自强
Original assignee: Chongqing Yindian Industry And Trade Co ltd
Current assignee: Chongqing Yindian Industry And Trade Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-04-06
Anticipated expiration: 2040-12-16
Also published as: CN112605682B

Abstract

The invention discloses a special-shaped excircle quick-clamping tool capable of improving machining precision, and relates to the technical field of tools, in particular to a special-shaped excircle quick-clamping tool capable of improving machining precision. This dysmorphism excircle that can improve machining precision presss from both sides frock soon is provided with the nut seat that can drive through the removal that first embrace the piece and the second embrace the piece and be close to relatively to the position of the vertical central line of work piece body to can embrace the piece through first embrace the piece and the second and carry out the centre gripping location of left right direction to the work piece body.

Description

Special-shaped outer circle quick clamping tool capable of improving machining precision

Technical Field

The invention relates to the technical field of tools, in particular to a special-shaped excircle quick-clamping tool capable of improving machining precision.

Background

The fixture is a process device used for rapidly fastening a workpiece during machining so as to ensure that a machine tool, a cutter and the workpiece keep correct relative positions, and is an indispensable part for machining.

The part machining degree of difficulty of current special-shaped excircle structure is great, lacks good clamping equipment and carries out the centre gripping to it fixedly usually, easily leads to the waste product more, brings not little burden for the enterprise, and current quick clamp frock is difficult to carry out the omnidirectional centre gripping to the work piece fixed, carries out the processing of work piece and easily leads to the work piece position skew, influences processingquality.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a special-shaped excircle quick clamping tool capable of improving the machining precision, and solves the problems that the existing special-shaped excircle structure in the background art is high in part machining difficulty, is usually lack of good clamping equipment to clamp and fix the special-shaped excircle structure, easily causes more waste products, brings little burden to enterprises, is difficult to comprehensively clamp and fix a workpiece, easily causes the position deviation of the workpiece during the machining of the workpiece, and affects the machining quality.

In order to achieve the purpose, the invention is realized by the following technical scheme: a special-shaped excircle quick clamping tool capable of improving machining precision comprises a tool base, a tool table and a first holding block, wherein a driving cylinder is installed at the middle position of the tool base, a telescopic rod is connected above the driving cylinder, a lifting top plate is connected above the telescopic rod, a limiting groove is formed in the lifting top plate, a workpiece head is arranged above the limiting groove, elastic chucks are installed on the left side and the right side of the workpiece head respectively, a return spring is connected to the position, away from the vertical central line of the workpiece head, of each elastic chuck, the tool table is installed above the corresponding elastic chuck, an insertion groove is formed in the tool table, nut seats are installed on the left side and the right side of the insertion groove respectively, a transmission lead screw penetrates through the inner part of each nut seat, a driving motor is installed at the position, away from the vertical central line of the tool table, of each transmission lead screw is provided with, a sliding rod is arranged at the front end of the sliding groove, a workpiece body is arranged above the tool table, the first holding block is arranged on the right side of the workpiece body, the second holding block is arranged on the left side of the workpiece body, grooves are arranged inside the second holding block and the first holding block, protective gaskets are arranged inside the grooves, a linkage seat is arranged at the position of the groove far away from the vertical central line of the workpiece body, a clamping groove is arranged above the groove, protruding piles are fixed above the second holding block and the first holding block, and the interior of the protruding pile is provided with a guide chute, a movable pile is arranged above the guide chute, the front end of the movable pile is provided with a fixed bolt, the position of the movable pile close to the vertical central line of the workpiece body is connected with a fixed plate, and a fastening screw penetrates through the inside of the fixing plate, and an anti-skid pad is connected below the fastening screw.

Optionally, the insertion groove coincides with a vertical center line of the tooling table, and a cross-sectional dimension of the insertion groove is larger than a cross-sectional dimension of the head of the workpiece.

Optionally, the elastic chuck and the workpiece head form an elastic structure through a return spring, and the elastic chuck is symmetrically distributed about a vertical center line of the return spring.

Optionally, the elastic chuck is fixedly connected with the sliding rod, the sliding rod forms a sliding structure with the tool table through the sliding groove, and the sliding groove is symmetrically distributed about the vertical center line of the tool table.

Optionally, a rotating structure is formed between the driving motor and the transmission screw rod, the transmission screw rods are symmetrically distributed about a vertical center line of the tooling table, and the transmission screw rods penetrate through the interior of the nut seat.

Optionally, the first holding block coincides with a vertical center line of the nut seat, and the second holding block coincides with the vertical center line of the nut seat.

Optionally, the protective gaskets are symmetrically distributed about the horizontal center line of the groove, the protective gaskets are made of silica gel, the clamping grooves are symmetrically distributed about the vertical center line of the workpiece body, and meanwhile the clamping structures are formed between the clamping grooves and the workpiece body.

Optionally, a clamping structure is formed between the protruding pile and the workpiece body, and the movable pile and the protruding pile form a sliding structure through the guide sliding groove.

Optionally, the fastening screw penetrates through the fixing plate, the fastening screw is tightly attached to the non-slip mat, and the fixing plate is parallel to the workpiece body.

Optionally, the driving cylinder forms a telescopic structure with the lifting top plate through a telescopic rod, the lifting top plate is perpendicular to the head of the workpiece, and the limiting groove coincides with the central point of the lifting top plate.

The invention provides a special-shaped excircle quick-clamping tool capable of improving machining precision, which has the following beneficial effects:

1. this special-shaped excircle that can improve machining precision presss from both sides frock soon is provided with the insertion groove can be convenient for insert the work piece head to with the inside of frock platform to can improve the steadiness of work piece head, can drive collet through return spring to the position relative movement who is close to the vertical central line of work piece head, thereby can carry out the centre gripping location to the work piece head through collet.

2. This dysmorphism excircle that can improve machining precision presss from both sides frock soon is provided with the slide bar and can be convenient for carry out the regulation of position to collet, can play the spacing effect of direction through the sliding tray to the removal of slide bar.

3. This special-shaped excircle that can improve machining precision presss from both sides frock soon is provided with driving motor and can drives the transmission lead screw and rotate, the relative movement of position about the nut seat can be carried out to the screw seat to pivoted transmission lead screw, the nut seat through the removal can drive first armful piece and second armful piece and be close to relatively to the position of the vertical central line of work piece body, thereby can embrace the centre gripping location of piece direction about carrying out the work piece body through first armful piece and second, it is great to have avoided the part machining degree of difficulty of special-shaped excircle structure, it is fixed to carry out the centre gripping to it to lack good clamping equipment usually, easily lead to the waste product more, bring the problem of not little burden for the enterprise.

4. The irregular excircle quick clamping tool capable of improving the machining precision is provided with a groove which can be clamped with a bulge on the side surface of a workpiece body, a protective gasket made of silica gel can protect the workpiece body and prevent the workpiece body from being directly contacted with the groove to cause abrasion of the workpiece body, a clamping groove can be clamped with the bulge on the upper end of the workpiece body, a bulge pile can be clamped with a recess on the upper end of the workpiece body, the bulge pile and the recess are matched to limit the direction of the workpiece body and prevent the workpiece from turning, the position of a moving pile can be adjusted through a guide chute so as to relatively move the moving pile to a position close to the workpiece, a fastening screw can be matched with a fixing plate to be screwed, and the fastening screw is contacted with the upper end surface of the workpiece through an anti-skid pad so as to compress the workpiece from the upper end, and the problem that the existing quick clamping tool is difficult to carry out, the position of the workpiece is easy to deviate when the workpiece is processed, and the processing quality is affected.

5. This can improve special-shaped excircle of machining precision and press from both sides frock soon is provided with and drives actuating cylinder and can drive lift roof upward movement through the telescopic link, and the lift roof that shifts up can drive work piece head rebound to can push away the work piece to on the frock, make things convenient for the unloading of work piece, the spacing groove can prevent inside the work piece skew lift roof.

Drawings

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

FIG. 2 is a schematic top view of the tooling table of the present invention;

FIG. 3 is a schematic top view of the first and second clasping blocks of the present invention;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a schematic view of the construction of the lifting top plate of the present invention;

fig. 6 is a schematic external structure diagram of the first clasp block and the second clasp block of the present invention.

In the figure: 1. a tooling base; 2. inserting the groove; 3. a return spring; 4. an elastic collet; 5. a workpiece head; 6. a sliding groove; 7. a slide bar; 8. a tooling table; 9. a drive motor; 10. a transmission screw rod; 11. a nut seat; 12. a linkage seat; 13. a first holding block; 14. a groove; 15. a second holding block; 16. a protective pad; 17. a workpiece body; 18. a card slot; 19. moving the pile; 20. fastening a screw rod; 21. a fixing plate; 22. a non-slip mat; 23. fixing the bolt; 24. a driving cylinder; 25. a telescopic rod; 26. lifting the top plate; 27. a raised pile; 28. a guide chute; 29. a limiting groove.

Detailed Description

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

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, the present invention provides a technical solution: a special-shaped excircle quick clamping tool capable of improving machining precision comprises a tool base 1, a tool table 8 and a first holding block 13, wherein a driving cylinder 24 is installed at the middle position of the tool base 1, a telescopic rod 25 is connected above the driving cylinder 24, a lifting top plate 26 is connected above the telescopic rod 25, a limiting groove 29 is formed in the lifting top plate 26, a workpiece head 5 is arranged above the limiting groove 29, elastic chucks 4 are installed on the left side and the right side of the workpiece head 5, a return spring 3 is connected at the position, far away from the vertical central line of the workpiece head 5, of each elastic chuck 4, the tool table 8 is installed above the elastic chucks 4, an insertion groove 2 is formed in the tool table 8, nut seats 11 are installed on the left side and the right side of the insertion groove 2, a transmission screw rod 10 penetrates through the inner parts of the nut seats 11, and a driving motor 9 is installed at the position, far away from the vertical central, a sliding groove 6 is arranged below the transmission screw rod 10, a sliding rod 7 is arranged at the front end of the sliding groove 6, a workpiece body 17 is arranged above the tool table 8, a first holding block 13 is arranged on the right side of the workpiece body 17, a second holding block 15 is arranged on the left side of the workpiece body 17, grooves 14 are respectively formed in the second holding block 15 and the first holding block 13, protective gaskets 16 are arranged in the grooves 14, a linkage seat 12 is arranged at a position of the groove 14 away from the vertical central line of the workpiece body 17, a clamping groove 18 is arranged above the groove 14, protruding piles 27 are respectively fixed above the second holding block 15 and the first holding block 13, guide sliding grooves 28 are formed in the protruding piles 27, moving piles 19 are arranged above the guide sliding grooves 28, fixing bolts 23 are arranged at the front ends of the moving piles 19, and fixing plates 21 are connected at positions of the moving piles 19 close to the vertical central line of the workpiece body 17, a fastening screw 20 penetrates through the fixing plate 21, and a non-slip mat 22 is connected to the lower side of the fastening screw 20.

In the invention: the vertical central line of the insertion groove 2 coincides with the vertical central line of the tool table 8, and the cross section size of the insertion groove 2 is larger than that of the workpiece head 5; the insertion groove 2 can facilitate insertion of the workpiece head 5 into the inside of the tool table 8, so that the stability of the workpiece head 5 can be improved.

In the invention: the elastic chuck 4 forms an elastic structure with the workpiece head 5 through the return spring 3, and the elastic chuck 4 is symmetrically distributed about the vertical center line of the return spring 3; the elastic chuck 4 can be driven to move relatively to a position close to the vertical central line of the workpiece head 5 through the return spring 3, so that the workpiece head 5 can be clamped and positioned through the elastic chuck 4.

In the invention: the elastic chuck 4 is fixedly connected with the sliding rod 7, the sliding rod 7 forms a sliding structure with the tool table 8 through the sliding groove 6, and the sliding groove 6 is symmetrically distributed about the vertical center line of the tool table 8; the slide rod 7 can be convenient for carry out the regulation of position to collet 4, can play the spacing effect of direction to the removal of slide rod 7 through sliding tray 6.

In the invention: a rotating structure is formed between the driving motor 9 and the transmission screw rod 10, the transmission screw rods 10 are symmetrically distributed about the vertical central line of the tooling table 8, and the transmission screw rod 10 penetrates through the interior of the nut seat 11; the driving motor 9 can drive the transmission screw rod 10 to rotate, and the rotary transmission screw rod 10 can move the nut seat 11 left and right relatively.

In the invention: the first holding block 13 is overlapped with the vertical central line of the nut seat 11, and the second holding block 15 is overlapped with the vertical central line of the nut seat 11; nut seat 11 through the removal can drive first embrace piece 13 and second embrace piece 15 and be close to relatively to the position of the vertical central line of work piece body 17 to can embrace piece 13 and second through first embrace piece 15 and carry out the centre gripping location of left right direction to work piece body 17, it is great to have avoided the parts machining degree of difficulty of dysmorphism excircle structure, it is fixed to carry out the centre gripping to it to lack good clamping equipment usually, easily leads to the waste product more, brings the problem of not little burden for the enterprise.

In the invention: the protective gaskets 16 are symmetrically distributed about the horizontal center line of the groove 14, the protective gaskets 16 are made of silica gel, the clamping grooves 18 are symmetrically distributed about the vertical center line of the workpiece body 17, and meanwhile, a clamping structure is formed between the clamping grooves 18 and the workpiece body 17; the groove 14 can be mutually clamped with the protruding part on the side surface of the workpiece body 17, the protective gasket 16 made of silica gel can protect the workpiece body 17, the workpiece body 17 is prevented from being directly contacted with the groove 14 to cause abrasion of the workpiece body 17, and the clamping groove 18 can be mutually clamped with the protruding part on the upper end of the workpiece body 17.

In the invention: the protruding pile 27 and the workpiece body 17 form a clamping structure, and the moving pile 19 and the protruding pile 27 form a sliding structure through the guide sliding groove 28; the protruding pile 27 can be engaged with a recessed portion at the upper end of the workpiece body 17, the workpiece body 17 can be limited in direction by matching the protruding pile and the recessed portion, the workpiece is prevented from turning, the position of the moving pile 19 can be adjusted through the guide sliding groove 28, and the moving pile can be moved relatively to a position close to the workpiece.

In the invention: the fastening screw 20 penetrates through the fixing plate 21, the fastening screw 20 is tightly attached to the anti-skid pad 22, and the fixing plate 21 is parallel to the workpiece body 17; fastening screw 20 can cooperate with fixed plate 21 and twist and move, contacts through the up end of slipmat 22 with the work piece to can compress tightly the work piece from the upper end, it is fixed to have solved current quick clamp frock and be difficult to carry out the omnidirectional centre gripping to the work piece, easily leads to the work piece position skew when carrying out the processing of work piece, influences processingquality's problem.

In the invention: the driving cylinder 24 and the lifting top plate 26 form a telescopic structure through the telescopic rod 25, the lifting top plate 26 is perpendicular to the workpiece head 5, and the limiting groove 29 is overlapped with the central point of the lifting top plate 26; drive actuating cylinder 24 and can drive lift roof 26 upward movement through telescopic link 25, the lift roof 26 that shifts up can drive work piece head 5 rebound to can push away the work piece to the frock on, made things convenient for the unloading of work piece, spacing groove 29 can prevent that the work piece is skew inside lift roof 26.

In conclusion, the special-shaped excircle quick-clamping tool capable of improving the machining precision is used, firstly, the tool base 1 plays a bearing role on a device, two hands stir the sliding rod 7 to pull the sliding rod 7 to a position far away from the vertical central line of the tool table 8, the sliding groove 6 plays a guiding and limiting role on the movement of the sliding rod 7, at the moment, the return spring 3 drives the elastic chuck 4 to move to a position far away from the vertical central line of the tool table 8, the workpiece head 5 is vertically inserted into the tool table 8 through the insertion groove 2 until the bottom end of the workpiece head 5 contacts the limiting groove 29, then the sliding rod 7 is loosened, the return spring 3 returns at the moment, the return spring 3 drives the elastic chuck 4 to relatively move to a position close to the vertical central line of the workpiece head 5 until the workpiece head 5 is close to the workpiece head 5, and the workpiece head 5 can be clamped and positioned by; secondly, a driving motor 9 is started, the driving motor 9 drives a transmission screw rod 10 to rotate, the rotary transmission screw rod 10 carries out relative movement of left and right positions on a nut seat 11, and the first holding block 13 and the second holding block 15 are driven to be relatively close to the position of the vertical central line of a workpiece body 17 through the moving nut seat 11, so that the workpiece body 17 is clamped and positioned in the left and right directions through the first holding block 13 and the second holding block 15, and the situation that parts of a special-shaped outer circle structure lack clamping equipment to clamp and fix the parts is avoided, waste products are easily caused to be more, and burdens are brought to enterprises; when the first holding block 13 and the second holding block 15 approach the workpiece body 17, the protrusion on the side surface of the workpiece body 17 is clamped into the groove 14, and the protective gasket 16 made of silica gel protects the workpiece body 17 to prevent the workpiece body 17 from being directly contacted with the groove 14 to cause abrasion of the workpiece body 17; then the bulge at the upper end of the workpiece body 17 is mutually clamped with the clamping groove 18, the depression at the upper end of the workpiece body 17 is mutually clamped with the bulge pile 27, the bulge pile and the bulge pile are matched to limit the direction of the workpiece body 17, so that the workpiece is prevented from turning, the movable pile 19 is moved to a position close to the vertical central line of the workpiece relatively through the guide chute 28, the position of the movable pile 19 is fixed through the fixing bolt 23, at the moment, the fastening screw rod 20 is screwed downwards through the fixing plate 21 until the anti-skid pad 22 is contacted with the upper end face of the workpiece, so that the anti-skid pad is tightly abutted against the upper end face of the workpiece, the workpiece is tightly pressed from the upper part, and therefore the workpiece can be clamped and fixed in all; after the final machining is finished, the first holding block 13 and the second holding block 15 are adjusted respectively in the direction away from the workpiece, the driving cylinder 24 is started, the driving cylinder 24 drives the lifting top plate 26 to move upwards through the telescopic rod 25, the lifting top plate 26 moving upwards drives the workpiece head 5 to move upwards, and therefore the workpiece body 17 can be pushed onto a tool, and the workpiece can be subjected to blanking.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a can improve special-shaped excircle of machining precision and press from both sides frock soon, includes fixture base (1), frock platform (8) and first armful of piece (13), its characterized in that: a driving cylinder (24) is installed in the middle of the tool base (1), a telescopic rod (25) is connected above the driving cylinder (24), a lifting top plate (26) is connected above the telescopic rod (25), a limiting groove (29) is formed in the lifting top plate (26), a workpiece head (5) is arranged above the limiting groove (29), elastic chucks (4) are installed on the left side and the right side of the workpiece head (5), a return spring (3) is connected to the position, far away from the vertical central line of the workpiece head (5), of each elastic chuck (4), the tool table (8) is installed above the elastic chucks (4), an insertion groove (2) is formed in the tool table (8), nut seats (11) are installed on the left side and the right side of the insertion groove (2), and a transmission lead screw (10) penetrates through the inside of each nut seat (11), and a driving motor (9) is installed at a position of a transmission screw rod (10) far away from a vertical central line of a tool table (8), a sliding groove (6) is formed below the transmission screw rod (10), a sliding rod (7) is installed at the front end of the sliding groove (6), a workpiece body (17) is arranged above the tool table (8), a first holding block (13) is installed on the right side of the workpiece body (17), a second holding block (15) is installed on the left side of the workpiece body (17), grooves (14) are formed in the second holding block (15) and the first holding block (13), protective gaskets (16) are installed inside the grooves (14), a linkage seat (12) is installed at a position of the groove (14) far away from the vertical central line of the workpiece body (17), a clamping groove (18) is formed above the grooves (14), and protruding piles (27) are fixed above the second holding block (15) and the first holding block (13), and direction spout (28) have been seted up to the inside of protruding stake (27), remove stake (19) is installed to the top of direction spout (28), and removes the front end of stake (19) and install fixing bolt (23), the position that removes stake (19) and is close to the vertical central line of work piece body (17) is connected with fixed plate (21), and the inside of fixed plate (21) runs through has fastening screw (20), the below of fastening screw (20) is connected with slipmat (22).

2. The special-shaped outer circle quick clamping tool capable of improving the machining precision according to claim 1, and is characterized in that: the vertical central line of the insertion groove (2) and the vertical central line of the tool table (8) coincide, and the cross section of the insertion groove (2) is larger than that of the workpiece head (5).

3. The special-shaped outer circle quick clamping tool capable of improving the machining precision according to claim 1, and is characterized in that: elastic structure is formed between the elastic chuck (4) and the workpiece head (5) through the return spring (3), and the elastic chuck (4) is symmetrically distributed about the vertical center line of the return spring (3).

4. The special-shaped outer circle quick clamping tool capable of improving the machining precision according to claim 1, and is characterized in that: the elastic chuck (4) is fixedly connected with the sliding rod (7), the sliding rod (7) forms a sliding structure through the sliding groove (6) and the tooling table (8), and the sliding groove (6) is symmetrically distributed about the vertical center line of the tooling table (8).

5. The special-shaped outer circle quick clamping tool capable of improving the machining precision according to claim 1, and is characterized in that: a rotating structure is formed between the driving motor (9) and the transmission screw rod (10), the transmission screw rod (10) is symmetrically distributed about the vertical central line of the tooling table (8), and the transmission screw rod (10) penetrates through the interior of the nut seat (11).

6. The special-shaped outer circle quick clamping tool capable of improving the machining precision according to claim 1, and is characterized in that: the first holding block (13) is overlapped with the vertical central line of the nut seat (11), and the second holding block (15) is overlapped with the vertical central line of the nut seat (11).

7. The special-shaped outer circle quick clamping tool capable of improving the machining precision according to claim 1, and is characterized in that: the protective pad (16) is symmetrically distributed about the horizontal center line of the groove (14), the protective pad (16) is made of silica gel, the clamping grooves (18) are symmetrically distributed about the vertical center line of the workpiece body (17), and meanwhile clamping structures are formed between the clamping grooves (18) and the workpiece body (17).

8. The special-shaped outer circle quick clamping tool capable of improving the machining precision according to claim 1, and is characterized in that: a clamping structure is formed between the protruding pile (27) and the workpiece body (17), and a sliding structure is formed between the movable pile (19) and the protruding pile (27) through the guide sliding groove (28).

9. The special-shaped outer circle quick clamping tool capable of improving the machining precision according to claim 1, and is characterized in that: the fastening screw rod (20) penetrates through the fixing plate (21), the fastening screw rod (20) is tightly attached to the anti-slip pad (22), and the fixing plate (21) is parallel to the workpiece body (17).

10. The special-shaped outer circle quick clamping tool capable of improving the machining precision according to claim 1, and is characterized in that: the driving cylinder (24) forms a telescopic structure with the lifting top plate (26) through a telescopic rod (25), the lifting top plate (26) is perpendicular to the workpiece head (5), and the limiting groove (29) is overlapped with the central point of the lifting top plate (26).