CN108544262B

CN108544262B - Multipurpose combined clamp

Info

Publication number: CN108544262B
Application number: CN201810545808.6A
Authority: CN
Inventors: 何船; 陈威; 潘克强; 刘文拔; 陶亮; 陈兴燕; 纪斌
Original assignee: Guizhou Institute of Technology
Current assignee: Guizhou Institute of Technology
Priority date: 2018-05-19
Filing date: 2018-05-19
Publication date: 2023-09-29
Anticipated expiration: 2038-05-19
Also published as: CN108544262A

Abstract

The invention relates to a multipurpose combined clamp, and belongs to the technical field of tool clamps. The invention comprises a base, a rotating base, a clamping frame I, a clamping frame II, a sliding positioning seat, a positioning piece, a baffle column, a motor control button, a pressing block, a bearing, a shaft check ring, a gear, a worm wheel, a fixed shaft I, a worm support seat, a worm, a motor seat, a motor and a gear shaft. The clamp can well clamp plate pieces, block pieces and milling machine workpieces with various specifications and columnar surfaces in a combined clamping and rotatable positioning mode, is convenient for the use of various parts, and can reduce the processing cost; the high-precision transmission device and the motor are utilized to control the workpiece to precisely rotate, repeated clamping is reduced, positioning precision can be improved, and machining precision of the workpiece can be improved; the clamping piece and the positioning piece are provided with the clamping structure, so that the positioning stability of the clamping piece can be better fixed; the fixture has the advantages of simple integral structure, high applicability, convenient processing and reduced production cost of parts.

Description

Multipurpose combined clamp

Technical Field

The invention relates to a multipurpose combined clamp, belongs to the technical field of tool clamps, and particularly relates to a multipurpose combined clamp which can clamp various types of parts and is suitable for various types of machine tools.

Background

In the field of mechanical products, most parts are required to be machined in a machine tool such as milling, turning and boring, positioning and clamping are required in the machining process, the workpiece is prevented from moving in the machining process, machining failure is caused, and in the positioning and clamping process, higher precision is difficult to ensure as the positioning times are more. For specific parts, the special fixture can be used for processing to ensure the processing precision, the cost can be well reduced in mass production, and for most parts, the application range of the universal fixture is generally smaller, and the positioning precision is also generally; in the processing, if parts with high-precision stepped holes on both sides are difficult to have high processing precision; based on the above problems, it is necessary to provide a multipurpose sectional fixture which can be applied to various machine tools and can hold various kinds of parts, so as to solve the above problems.

Disclosure of Invention

The invention aims to provide a multipurpose combined clamp with a simple structure, which solves the problems of small application range, low machining precision of stepped holes at two sides and the like of the existing clamp.

The invention is realized according to the following technical scheme: the multipurpose combined clamp comprises a base 1, a rotating base 4, a clamping frame I5, a clamping frame II6, a sliding positioning seat 7, a positioning piece 8, a baffle column 9, a motor control button 10, a pressing block 15, a bearing 19, a shaft retainer ring 20, a gear 21, a worm wheel 22, a fixed shaft I23, a worm support seat 24, a worm 25, a motor seat 26, a motor 27 and a gear shaft 28; the two sides of the base 1 are provided with a pressing block groove 2 and a fixing hole I3, the fixing hole I3 is positioned between the two pressing block grooves 2, the pressing block grooves 2 and the fixing hole I3 are used for fixing the base 1 and a workbench of a machine tool, the base 1 is provided with a sliding groove I11, the middle part of the base 1 is provided with a rotating groove 17, the periphery of the rotating base 4 is arranged on the base 1 through a screw II13 arranged on the rotating base 4, the periphery of the rotating base 4 is positioned in the rotating groove 17, the lower part of a baffle column 9 is positioned in the sliding groove I11 and is arranged on the base 1 through a screw III14 arranged on the baffle column 9, the baffle column 9 is positioned on the periphery of the rotating base 4, a worm support seat 24 is arranged on the base 1, a worm 25 is arranged on the worm support seat 24, a motor seat 26 is arranged on the base 1 and is positioned on the side part of the worm support seat 24, a motor 27 is arranged on the motor seat 26, the output end of the motor 27 is connected with the worm 25, a boss 51 is arranged in the middle of the base 1, a fixed shaft I23 is arranged on the boss 51, a worm wheel 22 is arranged at the lower part of the fixed shaft I23, the worm wheel 22 is meshed with a worm 25, a gear 21 is arranged at the upper part of the fixed shaft I23 through a shaft retainer ring 20, the lower part of a gear shaft 28 is arranged on the boss 51 through a bearing 19, a gear at the upper part of the gear shaft 28 is meshed with the gear 21, a spline 18 is arranged at the top of the gear shaft 28, a spline groove 29 is arranged at the inner top of the rotating base 4, the top of the rotating base 4 is matched with the spline 18 through the spline groove 29 and is arranged on the base 1, a motor control button 10 is arranged on the base 1 and is positioned at the side part of the base 1, a chute II44 is arranged at the outer top of the rotating base 4, a fixed hole II45 is also arranged at the outer top of the rotating base 4, a clamping frame I5 is positioned at the top of the rotating base 4, a chute III is arranged at the upper part of the baffle column 9, one end of the pressing block 15 is arranged in the chute III at the upper part of the baffle column 9, the pressing block 15 can slide up and down in the sliding chute III of the baffle column 9, the clamping frame I5 is provided with a clamping screw IV16, the pressing block 15 is arranged at the lower part of the clamping frame I5 through the clamping screw IV16, the lower part of the clamping frame II6 is provided with a positioning column 47, the clamping frame II6 is arranged at the top of the rotating base 4 through the matching of the positioning column 47 and the fixing hole II45, the lower part of the clamping frame II6 is positioned in the sliding chute II44, the sliding positioning seat 7 is arranged at the top of the rotating base 4, the lower part of the sliding positioning seat 7 is positioned in the sliding chute II44, the clamping frame II6 is provided with a clamping screw 36, the clamping frame II6 is connected with the sliding positioning seat 7 through the clamping screw 36, the locating piece 8 bottom is equipped with the inserted shaft 35, and the patchhole 48 has been seted up at the slip locating seat 7 top, has seted up little through-hole I49 on the inserted shaft 35 of locating piece 8 bottom, has seted up little through-hole II50 on the slip locating seat 7, and locating piece 8 passes through patchhole 35 and the patchhole 48 cooperation of slip locating seat 7 and installs on slip locating seat 7, and little through-hole I49 on the inserted shaft 35 corresponds with the little through-hole II50 size same position of slip locating seat 7, and locating piece 8 passes through screw I12, little through-hole I49, little through-hole II50 that install on the slip locating seat 7 and fixes on slip locating seat 7.

The side part of the clamping frame II6 is provided with a button II37 and a rough bar II38, the side part of the sliding positioning seat 7 is provided with a button I33 and a rough bar I34, the inside of the clamping frame II6 and the sliding positioning seat 7 is provided with a transmission gear I39, a transition gear 40, a transmission gear II41, a fixed shaft II42 and a connecting rod 43, the fixed shaft II42 is respectively and uniformly arranged in the clamping frame II6 and the sliding positioning seat 7, the transmission gear I39, the transition gear 40 and the transmission gear II41 are respectively arranged on the fixed shaft II42, the fixed shaft II42 arranged by the transmission gear I39 is positioned at the inner upper parts of the clamping frame II6 and the sliding positioning seat 7, the fixed shaft II42 arranged by the transition gear 40 is positioned at the inner middle parts of the clamping frame II6 and the sliding positioning seat 7, the fixed shaft II42 arranged by the transmission gear II41 is positioned at the inner lower parts of the clamping frame II6 and the sliding positioning seat 7, one end of a connecting rod 43 in the clamping frame II6 is connected with the end part of the button II37, the other end of the connecting rod 43 is connected with the transmission gear I39, one end of the other connecting rod 43 in the clamping frame II6 is connected with the end part of the rough bar II38, the other end of the connecting rod 43 is connected with the transmission gear II41, one end of the connecting rod 43 in the sliding positioning seat 7 is connected with the end part of the button I33, the other end of the connecting rod 43 is connected with the transmission gear I39, one end of the other connecting rod 43 in the sliding positioning seat 7 is connected with the end part of the rough bar I34, the other end of the connecting rod 43 is connected with the transmission gear II41, the transmission gear I39 is meshed with the transition gear 40 and the transmission gear II41, a spring 46 is arranged at the end part of the fixed shaft II42, the spring 46 is connected with the sliding positioning seat 7 and the clamping frame II6, and the spring 46 is used for limiting the rotation of the fixed shaft II 42.

The upper part of the positioning piece 8 is provided with a large V-shaped block 30, a small V-shaped block 31 and a plane block 32.

The working principle of the multipurpose combined clamp is as follows: the clamp can be used on milling machines and boring machines, when the clamping frame II6 and the sliding positioning seat 7 are used, the rough strip I34 and the rough strip II38 can be folded inwards by pressing the button I33 and the button II37, so that the sliding groove II44 can be taken out or put in, the button I33 and the button II37 are loosened, the rough strip I34 and the rough strip II38 press the two side surfaces of the sliding groove II44 outwards by utilizing the elastic force of the spring 46, and the clamping frame II6 and the sliding positioning seat 7 can position a workpiece relatively stably; secondly, according to different combination modes of workpieces, firstly, aiming at the plate processing on a milling machine, a clamping frame II6, a sliding positioning seat 7, a positioning piece 8 and related dismantling are carried out, the plate is placed on the upper surface of a rotating base 4 and positioned through a clamping frame I5, and after the 6 degrees of freedom positioning is completed, the plate is pressed by a pressing block 15, so that the plate can be processed; secondly, processing a block piece on a milling machine, rotating a positioning piece 8 to a positioning surface of a plane block 32, fixing the positioning piece 8 circumferentially through a screw I12 penetrating a small through hole I49 and a small through hole II50, placing a workpiece on the upper surface of a rotating base 4, sliding the positioning piece 8, using different numbers of positioning pieces 8 according to the size of the workpiece, simultaneously installing a clamping frame II6 in a proper fixing hole II45, clamping the workpiece by using a clamping screw 36, and then processing the workpiece. When a workpiece needs to be processed into uniform step holes with 180 degrees or 90 degrees on a boring machine, the rotary base 4 and the base 1 are fixed by the screw II13 to be removed, then the motor control button 10 is utilized to rotate for a required angle, and the rotary base 4 is fixed to be processed.

The invention has the following beneficial effects:

1. the clamp can well clamp plate pieces, block pieces and milling machine workpieces with various specifications and columnar surfaces in a combined clamping and rotatable positioning mode, so that the clamp is convenient for use of various parts and can reduce the processing cost;

2. the high-precision transmission device and the motor are utilized to control the workpiece to precisely rotate, repeated clamping is reduced, positioning precision can be improved, and machining precision of the workpiece can be improved;

3. the clamping piece and the positioning piece are provided with the clamping structure, so that the positioning stability of the clamping piece can be better fixed;

4. the fixture has the advantages of simple integral structure, high applicability, convenient processing and reduced production cost of parts.

Drawings

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

FIG. 2 is a schematic diagram of a matched installation structure of a baffle column pressing block of the invention;

FIG. 3 is a schematic illustration of the internal gearing of the present invention;

FIG. 4 is a schematic view of the gear mounting structure of the present invention;

FIG. 5 is a schematic view of the internal structure of the swivel base of the invention;

FIG. 6 is a schematic view of the installation structure of the sliding clamping device of the present invention;

FIG. 7 is a schematic view of a positioning member according to the present invention;

FIG. 8 is a schematic view of a sliding seat according to the present invention;

FIG. 9 is a schematic view of the connection structure of the clamping frame II and the sliding positioning seat of the present invention;

FIG. 10 is a schematic view of the internal structure of the clamping frame II and the sliding positioning seat of the present invention;

FIG. 11 is a schematic view of a self-locking structure of a fixed shaft II of the present invention;

fig. 12 is a schematic view of a panel processing and mounting structure of the present invention.

The reference numerals in the figures are: 1: base, 2: briquetting groove, 3: fixing holes I, 4: swivel base, 5: clamping frames I, 6: clamping frame II, 7: sliding positioning seat, 8: locating piece, 9: a baffle column, 10: motor control button, 11: chute I, 12: screw I, 13: screw II, 14: screw III, 15: briquetting and 16: screw IV, 17: rotating grooves, 18: spline, 19: bearing, 20: shaft retainer ring, 21: gear, 22: worm wheel, 23: fixed shafts I, 24: worm supporting seat, 25: worm, 26: motor cabinet, 27: motor, 28: gear shaft, 29: spline grooves, 30: large V-block, 31: small V-block, 32: plane block, 33: buttons I, 34: rough bars I, 35: insertion shaft, 36: clamping screw, 37: buttons II, 38: rough bars II, 39: drive gears I, 40: transition gear, 41: drive gears II, 42: fixed shafts II, 43: connecting rod, 44: chute II, 45: fixation holes II, 46: spring, 47: positioning column, 48: insertion holes, 49: small through holes I, 50: small through holes II, 51: a boss.

Detailed Description

The invention will be further described with reference to the drawings and examples, but the invention is not limited to the scope.

Example 1: as shown in fig. 1-12, a multipurpose combined clamp comprises a base 1, a rotating base 4, a clamping frame I5, a clamping frame II6, a sliding positioning seat 7, a positioning piece 8, a baffle column 9, a motor control button 10, a pressing block 15, a bearing 19, a shaft retainer ring 20, a gear 21, a worm wheel 22, a fixed shaft I23, a worm support seat 24, a worm 25, a motor seat 26, a motor 27 and a gear shaft 28; the two sides of the base 1 are provided with a pressing block groove 2 and a fixing hole I3, the fixing hole I3 is positioned between the two pressing block grooves 2, the pressing block grooves 2 and the fixing hole I3 are used for fixing the base 1 and a workbench of a machine tool, the base 1 is provided with a sliding groove I11, the middle part of the base 1 is provided with a rotating groove 17, the periphery of the rotating base 4 is arranged on the base 1 through a screw II13 arranged on the rotating base 4, the periphery of the rotating base 4 is positioned in the rotating groove 17, the lower part of a baffle column 9 is positioned in the sliding groove I11 and is arranged on the base 1 through a screw III14 arranged on the baffle column 9, the baffle column 9 is positioned on the periphery of the rotating base 4, a worm support seat 24 is arranged on the base 1, a worm 25 is arranged on the worm support seat 24, a motor seat 26 is arranged on the base 1 and is positioned on the side part of the worm support seat 24, a motor 27 is arranged on the motor seat 26, the output end of the motor 27 is connected with the worm 25, a boss 51 is arranged in the middle of the base 1, a fixed shaft I23 is arranged on the boss 51, a worm wheel 22 is arranged at the lower part of the fixed shaft I23, the worm wheel 22 is meshed with a worm 25, a gear 21 is arranged at the upper part of the fixed shaft I23 through a shaft retainer ring 20, the lower part of a gear shaft 28 is arranged on the boss 51 through a bearing 19, a gear at the upper part of the gear shaft 28 is meshed with the gear 21, a spline 18 is arranged at the top of the gear shaft 28, a spline groove 29 is arranged at the inner top of the rotating base 4, the top of the rotating base 4 is matched with the spline 18 through the spline groove 29 and is arranged on the base 1, a motor control button 10 is arranged on the base 1 and is positioned at the side part of the base 1, a chute II44 is arranged at the outer top of the rotating base 4, a fixed hole II45 is also arranged at the outer top of the rotating base 4, a clamping frame I5 is positioned at the top of the rotating base 4, a chute III is arranged at the upper part of the baffle column 9, one end of the pressing block 15 is arranged in the chute III at the upper part of the baffle column 9, the pressing block 15 can slide up and down in the sliding chute III of the baffle column 9, the clamping frame I5 is provided with a clamping screw IV16, the pressing block 15 is arranged at the lower part of the clamping frame I5 through the clamping screw IV16, the lower part of the clamping frame II6 is provided with a positioning column 47, the clamping frame II6 is arranged at the top of the rotating base 4 through the matching of the positioning column 47 and the fixing hole II45, the lower part of the clamping frame II6 is positioned in the sliding chute II44, the sliding positioning seat 7 is arranged at the top of the rotating base 4, the lower part of the sliding positioning seat 7 is positioned in the sliding chute II44, the clamping frame II6 is provided with a clamping screw 36, the clamping frame II6 is connected with the sliding positioning seat 7 through the clamping screw 36, the locating piece 8 bottom is equipped with the inserted shaft 35, and the patchhole 48 has been seted up at the slip locating seat 7 top, has seted up little through-hole I49 on the inserted shaft 35 of locating piece 8 bottom, has seted up little through-hole II50 on the slip locating seat 7, and locating piece 8 passes through patchhole 35 and the patchhole 48 cooperation of slip locating seat 7 and installs on slip locating seat 7, and little through-hole I49 on the inserted shaft 35 corresponds with the little through-hole II50 size same position of slip locating seat 7, and locating piece 8 passes through screw I12, little through-hole I49, little through-hole II50 that install on the slip locating seat 7 and fixes on slip locating seat 7.

The side part of the clamping frame II6 is provided with a button II37 and a rough bar II38, the side part of the sliding positioning seat 7 is provided with a button I33 and a rough bar I34, the inside of the clamping frame II6 and the sliding positioning seat 7 is provided with a transmission gear I39, a transition gear 40, a transmission gear II41, a fixed shaft II42 and a connecting rod 43, the fixed shaft II42 is respectively and uniformly arranged in the clamping frame II6 and the sliding positioning seat 7, the transmission gear I39, the transition gear 40 and the transmission gear II41 are respectively arranged on the fixed shaft II42, the fixed shaft II42 arranged by the transmission gear I39 is positioned at the upper part of the inside of the clamping frame II6 and the sliding positioning seat 7, the fixed shaft II42 arranged by the transition gear 40 is positioned at the middle part of the inside of the clamping frame II6 and the sliding positioning seat 7, the fixed shaft II42 arranged by the transmission gear II41 is positioned at the lower part of the inside of the clamping frame II6 and the sliding positioning seat 7, one end of a connecting rod 43 in the clamping frame II6 is connected with the end part of the button II37, the other end of the connecting rod 43 is connected with the transmission gear I39, one end of the other connecting rod 43 in the clamping frame II6 is connected with the end part of the rough bar II38, the other end of the connecting rod 43 is connected with the transmission gear II41, one end of the connecting rod 43 in the sliding positioning seat 7 is connected with the end part of the button I33, the other end of the connecting rod 43 is connected with the transmission gear I39, one end of the other connecting rod 43 in the sliding positioning seat 7 is connected with the end part of the rough bar I34, the other end of the connecting rod 43 is connected with the transmission gear II41, the transmission gear I39 is meshed with the transition gear 40 and the transmission gear II41, a spring 46 is arranged at the end part of the fixed shaft II42, the spring 46 is connected with the sliding positioning seat 7 and the clamping frame II6, and the spring 46 is used for limiting the rotation of the fixed shaft II 42.

Claims

1. The utility model provides a multipurpose sectional fixture which characterized in that: the device comprises a base (1), a rotary base (4), a clamping frame I (5), a clamping frame II (6), a sliding positioning seat (7), a positioning piece (8), a baffle column (9), a motor control button (10), a pressing block (15), a bearing (19), a shaft retainer ring (20), a gear (21), a worm wheel (22), a fixed shaft I (23), a worm support seat (24), a worm (25), a motor seat (26), a motor (27) and a gear shaft (28); the two sides of the base (1) are provided with the pressing block grooves (2) and the fixing holes I (3), the fixing holes I (3) are positioned between the two pressing block grooves (2), the base (1) is provided with the sliding grooves I (11), the middle part of the base (1) is provided with the rotating grooves (17), the periphery of the rotating base (4) is provided with the screws II (13) arranged on the rotating base (4) and arranged on the base (1), the periphery of the rotating base (4) is positioned in the rotating grooves (17), the lower part of the baffle column (9) is arranged in the sliding grooves I (11) and is arranged on the base (1) through the screws III (14) arranged on the baffle column (9), the baffle column (9) is positioned at the circumference of the rotating base (4), the worm supporting seat (24) is arranged on the base (1), the worm (25) is arranged on the worm supporting seat (24), the motor seat (26) is arranged on the side part of the worm supporting seat (24), the motor (27) is arranged on the motor seat (26), the output end of the motor (27) is connected with the middle part of the worm wheel (25) and is arranged on the worm wheel (1) and is meshed with the worm wheel (23) and is arranged on the boss (23) and is meshed with the boss (23), the gear (21) is arranged on the upper part of the fixed shaft I (23) through a shaft retainer ring (20), the lower part of the gear shaft (28) is arranged on a boss (51) through a bearing (19), the gear on the upper part of the gear shaft (28) is meshed with the gear (21), a spline groove (29) is formed in the top of the inside of the rotating base (4), the top of the rotating base (4) is arranged on the base (1) through the spline groove (29) and the spline (18) in a matched manner, a motor control button (10) is arranged on the base (1) and is positioned at the edge part of the base (1), a chute II (44) is formed in the top of the outside of the rotating base (4), a fixing hole II (45) is formed in the top of the rotating base (4), a clamping frame I (5) is positioned at the top of the rotating base (4), a chute III is formed in the upper part of the retaining post (9), one end of a pressing block (15) is arranged in the chute III on the upper part of the retaining post (9), the pressing block (15) can slide up and down in the chute III of the retaining post (9), a clamping frame I (5) is provided with a chute II (16) and a clamping screw (47) is arranged on the lower part of the retaining post (16), clamping frame II (6) is installed at the top of rotating base (4) through reference column (47) and fixed orifices II (45) cooperation, clamping frame II (6) lower part is located in spout II (44), slide positioning seat (7) is installed at rotating base (4) top, slide positioning seat (7) lower part is located in spout II (44), clamping screw (36) have been installed on clamping frame II (6), clamping frame II (6) are connected with slide positioning seat (7) through clamping screw (36), locating piece (8) bottom is equipped with insertion shaft (35), insert hole (48) have been seted up at slide positioning seat (7) top, offer little through-hole I (49) on insert shaft (35) of locating piece (8) bottom, offer little through-hole II (50) on slide positioning seat (7), little through-hole I (49) on insert shaft (35) and slide positioning seat (7) cooperation install on slide positioning seat (7), little through-hole I (49) on insert shaft (35) and slide positioning seat (7) correspond to the big position of locating piece (8), little through-hole I (12) of locating piece (8) on the same The small through hole II (50) is fixed on the sliding positioning seat (7).

2. The multipurpose sectional fixture according to claim 1, wherein: the side part of the clamping frame II (6) is provided with a button II (37) and a rough strip II (38), the side part of the sliding positioning seat (7) is provided with a button I (33) and a rough strip I (34), the inside of the clamping frame II (6) and the sliding positioning seat (7) is provided with a transmission gear I (39), a transition gear (40), a transmission gear II (41), a fixed shaft II (42) and a connecting rod (43), the fixed shaft II (42) is respectively and uniformly arranged in the clamping frame II (6) and the sliding positioning seat (7), the transmission gear I (39), the transition gear (40) and the transmission gear II (41) are respectively arranged on the fixed shaft II (42), the fixed shaft II (42) arranged on the transmission gear I (39) is arranged on the inner upper part of the clamping frame II (6) and the sliding positioning seat (7), the fixed shaft II (42) arranged on the transition gear (40) is arranged on the inner middle part of the clamping frame II (6) and the sliding positioning seat (7), the fixed shaft II (42) arranged on the fixed shaft II (41) arranged on the fixed shaft II (6) and the sliding positioning seat (7) is arranged on the inner lower part of the clamping frame II, one end part of the button II (43) is connected with one end part of the connecting rod (37), one end of the other connecting rod (43) in the clamping frame II (6) is connected with the end part of the rough bar II (38), the other end of the connecting rod (43) is connected with the transmission gear II (41), one end of one connecting rod (43) in the sliding positioning seat (7) is connected with the end part of the button I (33), the other end of the connecting rod (43) is connected with the transmission gear I (39), one end of the other connecting rod (43) in the sliding positioning seat (7) is connected with the end part of the rough bar I (34), the other end of the connecting rod (43) is connected with the transmission gear II (41), the transmission gear I (39) is meshed with the transition gear (40), the transition gear (40) is meshed with the transmission gear II (41), the end part of the fixed shaft II (42) is provided with a spring (46), and the spring (46) is connected with the sliding positioning seat (7) and the clamping frame II (6).

3. The multipurpose sectional fixture according to claim 1, wherein: the upper part of the positioning piece (8) is provided with a large V-shaped block (30), a small V-shaped block (31) and a plane block (32).