CN215200767U

CN215200767U - Cylinder anchor clamps

Info

Publication number: CN215200767U
Application number: CN202121126913.XU
Authority: CN
Inventors: 杨圣张
Original assignee: Shenzhen Kunpeng Precision Machinery Co ltd
Current assignee: Shenzhen Kunpeng Precision Machinery Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-12-17
Anticipated expiration: 2031-05-24

Abstract

The application relates to a cylindrical clamp which comprises a clamping plate, a U-shaped clamping block and an ejector rod, wherein the clamping plate is used for being fixedly connected with external equipment; two ends of the opening of the U-shaped clamping block are fixedly connected to the surface of one side of the clamping plate, an accommodating cavity for the cylindrical workpiece to penetrate is formed between the U-shaped clamping block and the clamping plate, and an operation window is further arranged on the U-shaped clamping block; one end of the ejector rod is arranged in the accommodating cavity, the other end of the ejector rod penetrates through the clamping plate and is in threaded connection with the clamping plate, and one end of the ejector rod, which is arranged in the accommodating cavity, is used for being abutted against the circumferential side surface of the cylindrical workpiece. This application has the effect that makes cylinder work piece material loading process more convenient.

Description

Cylinder anchor clamps

Technical Field

The application relates to the field of clamp equipment, in particular to a cylindrical clamp.

Background

The clamp is a device for fixing a processing object to a correct position in a mechanical manufacturing process so as to receive processing or detection, and in practical application, clamping tools are required for a processing machine tool, a processing center, a die processing platform and the like, so that one of processing tools which are indispensable to process when clamping the tools is required.

In the correlation technique, the cylinder anchor clamps include splint and U-shaped clamp splice, and the bolt fastening is passed through at the both ends of U-shaped clamp splice opening part on the splint to still seted up the operation window on the bending bottom of U-shaped clamp splice, then when fixing the cylinder, earlier through the bolt with the U-shaped clamp splice pre-fix on splint, put into the cylinder in the cavity that U-shaped clamp splice and splint formed afterwards, then continue to twist the bolt, make U-shaped clamp splice and splint press from both sides the cylinder tightly jointly, alright follow operation window department at last and drill the cylinder.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that in this way, bolts screwed to both ends of the opening of the U-shaped clamp block need to be screwed respectively to clamp the cylinder on the clamp, so that the loading process of the cylinder is complicated.

SUMMERY OF THE UTILITY MODEL

In order to make cylinder work piece material loading more convenient, this application provides a cylinder anchor clamps.

The application provides a cylindrical clamp adopts following technical scheme:

a cylindrical clamp comprises a clamping plate, a U-shaped clamping block and a mandril, wherein the clamping plate is fixedly connected with external equipment; two ends of the opening of the U-shaped clamping block are fixedly connected to the surface of one side of the clamping plate, an accommodating cavity for the cylindrical workpiece to penetrate is formed between the U-shaped clamping block and the clamping plate, and an operating window is further arranged on the U-shaped clamping block; one end of the ejector rod is arranged in the accommodating cavity, the other end of the ejector rod penetrates through the clamping plate and is in threaded connection with the clamping plate, and one end of the ejector rod, which is arranged in the accommodating cavity, is used for being abutted against the circumferential side surface of the cylindrical workpiece.

Through adopting above-mentioned technical scheme, in the use, can fix the U-shaped clamp splice on splint always, and make to have certain clearance between the work piece of the inner wall of holding chamber and cylinder class, then when the material loading, put into the holding chamber with the cylinder earlier, and make the pore-forming position be in the operation window, then rotate the ejector pin, make the week side surface of ejector pin butt cylinder work piece, when treating the cylinder work piece and supporting the inner wall in ejector pin and holding chamber respectively, the cylinder work piece just can be locked in the holding chamber, then just can begin drilling work, compare in the mode that comes the cylinder work piece to press from both sides tightly through U-shaped clamp splice and splint, this kind of design, only need screw up along cylinder work piece length direction ascending a plurality of ejector pins can, thereby make the material loading process of cylinder work piece more convenient.

Preferably, the bottom of the bent inner side of the U-shaped clamping block is in arc surface transition arrangement.

Through adopting above-mentioned technical scheme for the butt form between the inboard bottom of buckling of cylinder work piece and U-shaped clamp splice changes the face contact into from line contact, then when supporting the cylinder work piece tightly in the holding chamber through the ejector pin, the inner wall in holding chamber can exert clamping-force on the cylinder work piece more evenly, so when carrying out drilling work, the cylinder work piece is difficult more to take place to rotate around the axis of self, thereby helps promoting drilling quality.

Preferably, the holding intracavity is provided with supplementary grip block, and the one end that supplementary grip block and ejector pin are located the holding chamber is supported, and the other end is provided with the centre gripping groove that is used for with the week side surface looks butt of cylinder work piece to centre gripping groove length direction's both sides inner wall opening, the inner wall in centre gripping groove is the arc surface shape moreover.

Through adopting above-mentioned technical scheme, because of the setting in supplementary grip block and centre gripping groove for butt form between ejector pin and the cylinder work piece changes the face contact into from line contact, makes on the one hand, the pressure between ejector pin and the cylinder work piece can diminish, thereby makes the difficult all side surfaces of damaging the cylinder work piece of ejector pin, and on the other hand, when the cylinder work piece is pressed from both sides tightly, all side surfaces homoenergetic of cylinder work piece receives the clamping-force, thereby when carrying out drilling work, the cylinder work piece is difficult for more rotating around the axis of self.

Preferably, the clamping plate is provided with two baffle plates in a sliding manner, the two baffle plates are respectively used for forming baffles with two ends of the cylindrical workpiece in the length direction, and the sliding direction of the baffle plates is parallel to the communication direction of the accommodating cavity; the clamping plate is provided with a driving assembly, and the driving assembly is used for driving the baffle plate to slide in a reciprocating mode along the sliding direction of the driving assembly.

Through adopting above-mentioned technical scheme, when will put into the holding chamber with the cylinder work piece, accessible drive assembly, make the baffle remove to the direction of keeping away from the U-shaped clamp splice, thereby can dodge the cylinder work piece, treat that the cylinder work piece is put into the holding chamber and through ejector pin locking back, can pass through drive assembly once more, make the baffle remove to the direction of being close to the U-shaped clamp splice, treat behind baffle butt cylinder work piece length direction's both ends, alright carry out drilling work, at this in-process, the baffle can produce the axial restriction to the cylinder work piece, thereby just make the cylinder work piece be difficult for taking place the skew along the axis of self, help promoting drilling quality.

Preferably, the driving assembly comprises an installation block, a screw rod and a limiting piece, and the installation block is arranged on the surface of one side, close to the U-shaped clamping block, of the clamping plate; one end of the lead screw penetrates through the mounting block and is rotatably connected with the mounting block through a bearing, the axial direction of the lead screw is parallel to the communication direction of the accommodating cavity, and the other end of the lead screw is in threaded connection with the baffle through a limiting piece; the limiting piece is used for limiting the baffle to rotate around the axis of the lead screw.

Through adopting above-mentioned technical scheme, when will driving the baffle and slide, rotatable lead screw for the lead screw rotates around the axis of self, at this in-process, because of the effect of locating part, then the baffle can take place to remove along the axis of lead screw, thereby just reach and make the baffle purpose, this kind of mode in addition, when needs are drilled the different positions of cylinder work piece length direction, can also make one of them baffle to the direction removal of being close to the U-shaped clamp splice, another baffle removes to the direction of keeping away from the U-shaped clamp splice, thereby can promote the suitability of baffle.

Preferably, the limiting part comprises a T-shaped guide rail and a sliding seat, the T-shaped guide rail is arranged on one side surface of the clamping plate close to the U-shaped clamping block, and the length direction of the T-shaped guide rail is parallel to the communication direction of the accommodating cavity; the sliding seat is sleeved on the T-shaped guide rail in a sliding manner, and the surface of one side of the sliding seat, which is far away from the clamping plate, is fixedly connected with the baffle plate; the lead screw penetrates through the sliding seat and is in threaded connection with the sliding seat.

Through adopting above-mentioned technical scheme, on the one hand, under the cooperation of T shape guide rail and slide for the lead screw is difficult for driving the baffle rotation at the pivoted in-process, thereby reach the spacing purpose of baffle, on the other hand, under the cooperation of T shape guide rail and slide, make the slip orbit of baffle more stable, then when need install on the baffle with cylinder work piece complex device, at the in-process that the baffle removed, the position of device is difficult for deviating the position at cylinder work piece place.

Preferably, a crank handle is arranged on the part of the screw rod, which is located on the mounting block and is far away from the baffle plate.

Through adopting above-mentioned technical scheme, because of the setting of crank handle for people can exert torque to the lead screw through crank handle when rotating the position that the lead screw adjusted the baffle, thereby be convenient for more adjust the position at baffle place.

Preferably, a plurality of elastic bulges are uniformly arranged on the inner wall of the clamping groove.

Through adopting above-mentioned technical scheme, the setting of elastic bulge on the one hand can make the coefficient of surface friction increase of centre gripping groove tank bottom to make the cylinder work piece be difficult for more rotating around the axis of self, on the other hand, when the cylinder work piece was locked, the elastic bulge can be in the state of compressed, thereby makes the cylinder work piece more inseparabler by U-shaped fixture block and supplementary fixture block centre gripping ground, and then makes the cylinder work piece locate in the holding chamber more steadily.

In summary, the present application includes at least one of the following beneficial technical effects:

1. compared with a mode of clamping a cylindrical workpiece through the U-shaped clamping block and the clamping plate, the design mode only needs to tighten the ejector rods along the length direction of the cylindrical workpiece, so that the feeding process of the cylindrical workpiece is more convenient;

2. through the arrangement of the auxiliary clamping block and the clamping groove, when the cylindrical workpiece is clamped, the circumferential side surface of the cylindrical workpiece can bear clamping force, so that the cylindrical workpiece is more difficult to rotate around the axis of the cylindrical workpiece when drilling is carried out;

3. through baffle and drive assembly's setting, at the in-process of carrying out drilling work, the baffle can produce the axial restriction to the cylinder work piece to just make the difficult axis of following self of cylinder work piece take place the skew, help promoting drilling quality.

Drawings

Fig. 1 is a schematic structural diagram of a cylindrical jig in an embodiment of the present application.

Fig. 2 is an exploded view of the embodiment of the present application for showing the matching manner between the U-shaped clamping block and the auxiliary clamping block.

Description of reference numerals: 1. a splint; 2. a U-shaped clamping block; 21. operating a window; 3. a top rod; 4. a cylindrical workpiece; 5. an accommodating cavity; 6. an auxiliary clamping block; 61. a clamping groove; 62. an elastic bulge; 7. a baffle plate; 8. a drive assembly; 81. mounting blocks; 82. a lead screw; 83. a limiting member; 831. a T-shaped guide rail; 832. a slide base; 9. the crank is used for cranking the hand.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a cylindrical clamp. Referring to fig. 1 and 2, the cylindrical clamp includes a clamping plate 1 and a U-shaped clamping block 2, wherein the clamping plate 1 is fixed on the processing machine tool, two ends of an opening of the U-shaped clamping block 2 are respectively fixed on a side surface of the clamping plate 1 through bolts, and two ends of the opening of the U-shaped clamping block 2 are abutted to the clamping plate 1, so that an accommodating cavity 5 for the cylindrical workpiece 4 to penetrate through is formed between the U-shaped clamping block 2 and the clamping plate 1, in addition, the bottom of the bent inner side of the U-shaped clamping block 2 is in the shape of an arc surface matched with the cylindrical workpiece 4, and an operating window 21 communicated with the accommodating cavity 5 is further formed in the bent bottom of the U-shaped clamping block 2, so that when the cylindrical workpiece 4 is locked in the accommodating cavity 5, the drilling device can drill the cylindrical workpiece 4 at the operating window 21, thereby achieving the purpose of drilling the circumferential side surface of the cylindrical workpiece 4.

Referring to fig. 1 and 2, in this embodiment, an auxiliary clamping block 6 is further disposed in the accommodating cavity 5, the auxiliary clamping block 6 is located on one side of the cylindrical workpiece 4, which is far away from the bent bottom of the U-shaped clamping block 2, specifically, a clamping groove 61 is formed in a surface of one side of the auxiliary clamping block 6, which is close to the cylindrical workpiece 4, the clamping groove 61 is perpendicular to openings of inner walls of two sides of the accommodating cavity 5 in the communication direction, and the inner wall of the clamping groove 61 is in the shape of an arc surface matched with the cylindrical workpiece 4, when the circumferential side surface of the cylindrical workpiece 4 abuts against the bottom of the bent inner side of the U-shaped clamping block 2 and the clamping groove 61 respectively, the cylindrical workpiece 4 can be locked in the accommodating cavity 5, at this time, when drilling work is performed from the operation window 21, the cylindrical workpiece 4 is not easy to rotate around its own axis, which is helpful for improving the drilling quality.

Referring to fig. 1 and 2, a plurality of push rods 3 are further arranged on the splint 1 in a penetrating manner, specifically, one end of each push rod 3 is arranged in the accommodating cavity 5, and is abutted against one side of the auxiliary clamping block 6 far away from the clamping groove 61, the other end is penetrated on the splint 1 and is connected with the splint 1 by screw thread, in the present embodiment, the ejector pins 3 are provided in plurality, and the ejector pins 3 are uniformly arranged along the length direction of the cylindrical workpiece 4, when the cylindrical workpiece 4 is to be locked in the accommodating cavity 5, the cylindrical workpiece 4 is firstly put between the clamping groove 61 and the bottom of the bent inner side of the U-shaped clamping block 2, then the mandril 3 is rotated to ensure that the mandril 3 is abutted against one side of the auxiliary clamping block 6 away from the clamping groove 61, after the mandril 3 is screwed down, the cylindrical workpiece 4 is tightly pressed against the inner wall of the clamping groove 61 and the bottom of the bent inner side of the U-shaped clamping block 2, so that the purpose of locking the cylindrical workpiece 4 in the accommodating cavity 5 is achieved.

Referring to fig. 1 and fig. 2, in the present embodiment, a plurality of elastic protrusions 62 made of rubber are uniformly disposed on the inner wall of the clamping groove 61, on one hand, the elastic protrusions 62 can increase the friction coefficient of the inner wall of the clamping groove 61, so that when the cylindrical workpiece 4 is locked, the friction force exerted on the circumferential side surface of the cylindrical workpiece 4 by the inner wall of the clamping groove 61 is greater, so that the cylindrical workpiece 4 is less prone to rotate around its axis, and on the other hand, when the cylindrical workpiece 4 is locked, the elastic protrusions 62 are in a compressed state, so that the radial acting force exerted on the cylindrical workpiece 4 is greater, so that the friction force exerted on the cylindrical workpiece 4 is greater, and the cylindrical workpiece 4 can be more stably locked in the accommodating cavity 5.

Referring to fig. 1 and 2, two baffle plates 7 are slidably disposed on a side surface of the clamp plate 1 close to the U-shaped clamp block 2, the two baffle plates 7 are respectively disposed on two ends of the cylindrical workpiece 4 in the length direction, and form barriers respectively for the two ends of the cylindrical workpiece 4 in the length direction, and the sliding direction of the baffle plates 7 is parallel to the length direction of the cylindrical workpiece 4, in this embodiment, a driving assembly 8 for driving the baffle plates 7 to slide is further disposed on the clamp plate 1, wherein the driving assembly 8 includes a mounting block 81, a lead screw 82 and a limiting member 83, specifically, the mounting block 81 is fixed on a side surface of the clamp block close to the U-shaped clamp block 2, and the connection point of the mounting block 81 and the clamp plate 1 is located on the extension line of the sliding path of the baffle plates 7; one end of the screw 82 penetrates through the mounting block 81 and is rotatably connected with the mounting block 81 through a bearing, the other end of the screw extends towards the U-shaped clamping block 2, and the axis of the screw 82 is parallel to the sliding direction of the baffle 7.

Referring to fig. 1 and 2, the limiting member 83 includes a T-shaped guide rail 831 and a sliding seat 832, specifically, the T-shaped guide rail 831 is located between the mounting block 81 and the U-shaped clamp block 2, the T-shaped guide rail 831 is fixed on a side surface of the clamp plate 1 close to the U-shaped clamp block 2, and the length direction of the T-shaped guide rail 831 is parallel to the axial direction of the lead screw 82; the sliding base 832 is slidably sleeved on the T-shaped guide rail 831, and a side surface of the sliding base 832 far away from the splint 1 is fixedly connected with the baffle 7, in this embodiment, a portion of the lead screw 82 between the mounting block 81 and the U-shaped clamp block 2 is arranged on the sliding base 832 in a penetrating manner, and is in threaded connection with the sliding base 832, so that when the lead screw 82 is rotated, the sliding base 832 moves along an axial direction of the lead screw 82, and the purpose that the baffle 7 slides along a length direction of the T-shaped guide rail 831 is achieved.

Referring to fig. 1 and 2, in this embodiment, when the cylindrical workpiece 4 needs to be placed into the accommodating cavity 5, the lead screw 82 can be rotated to slide the sliding seat 832 in a direction away from the U-shaped clamping block 2, so that the baffle 7 avoids the cylindrical workpiece 4, so that the cylindrical workpiece 4 can be smoothly placed into the accommodating cavity 5, and when the cylindrical workpiece 4 is locked in the accommodating cavity 5, the lead screw 82 can be rotated to slide the sliding seat 832 in a direction close to the U-shaped clamping block 2, when the two baffles 7 abut against the end faces at two ends of the cylindrical workpiece 4 in the length direction respectively, the cylindrical workpiece 4 can be axially limited, and when drilling is performed at this time, the cylindrical workpiece 4 is not prone to shift along the axis direction, which is helpful to improve the drilling quality.

In addition, in this embodiment, when the cylindrical workpiece 4 needs to drill at different positions in the length direction of the cylindrical workpiece 4, the length of the portion of the cylindrical workpiece 4 outside the accommodating cavity 5 changes, and the two driving assemblies 8 can respectively adjust the positions of the two baffles 7, and then the two baffles 7 only need to be respectively abutted against the two ends of the cylindrical workpiece 4 in the length direction again, so that the applicability is improved.

Referring to fig. 1 and 2, in the embodiment, the crank handle 9 is installed on the portion of the lead screw located on the mounting block 81 far away from the T-shaped guide rail 831, and when the position of the baffle 7 is to be adjusted, the lead screw 82 can be rotated by the crank handle 9, so that the lead screw 82 can be rotated more conveniently, and the feeding process of the cylindrical workpiece 4 is more convenient.

The implementation principle of a cylindrical clamp in the embodiment of the application is as follows: when will press from both sides the cylinder work piece 4 tight on anchor clamps, put into holding chamber 5 with cylinder work piece 4 earlier, rotate ejector pin 3 afterwards, make ejector pin 3 support tightly in the one side that supplementary grip block 6 kept away from centre gripping groove 61, cylinder work piece 4 just locks in holding chamber 5 this moment, then rotate lead screw 82, make slide 832 to the direction removal that is close to U-shaped clamp splice 2, treat that two baffles 7 respectively support when cylinder work piece 4 length direction's both ends, cylinder work piece 4 just firmly is on splint 1, it can to follow the operation window 21 again at last and carry out drilling operation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A cylindrical clamp is characterized in that: the clamping device comprises a clamping plate (1), a U-shaped clamping block (2) and a top rod (3), wherein the clamping plate (1) is fixedly connected with external equipment; two ends of an opening of the U-shaped clamping block (2) are fixedly connected to the surface of one side of the clamping plate (1), an accommodating cavity (5) for the cylindrical workpiece (4) to penetrate through is formed between the U-shaped clamping block (2) and the clamping plate (1), and an operating window (21) is further arranged on the U-shaped clamping block (2); ejector pin (3) one end is in holding chamber (5), and the other end wears to establish on splint (1) to with splint (1) threaded connection, ejector pin (3) are arranged in holding chamber (5) one end moreover and are used for with the week side surface butt of cylinder work piece (4).

2. The cylinder jig of claim 1 wherein: the bottom of the bent inner side of the U-shaped clamping block (2) is in arc surface transition arrangement.

3. The cylinder jig of claim 2 wherein: the clamping device is characterized in that an auxiliary clamping block (6) is arranged in the accommodating cavity (5), one end of the auxiliary clamping block (6) is abutted to one end of the ejector rod (3) in the accommodating cavity (5), the other end of the auxiliary clamping block is provided with a clamping groove (61) which is used for being abutted to the circumferential side surface of the cylindrical workpiece (4), the inner walls of the two sides of the clamping groove (61) in the length direction are opened, and the inner wall of the clamping groove (61) is in the shape of an arc surface.

4. The cylinder jig of claim 1 wherein: the clamping plate (1) is provided with two baffle plates (7) in a sliding manner, the two baffle plates (7) are respectively used for forming baffles with two ends of the cylindrical workpiece (4) in the length direction, and the sliding direction of the baffle plates (7) is parallel to the communication direction of the accommodating cavity (5); the clamp plate (1) is provided with a driving assembly (8), and the driving assembly (8) is used for driving the baffle (7) to slide in a reciprocating mode along the sliding direction of the baffle (7).

5. The cylinder jig of claim 4 wherein: the driving assembly (8) comprises an installation block (81), a lead screw (82) and a limiting piece (83), wherein the installation block (81) is arranged on one side surface of the clamping plate (1) close to the U-shaped clamping block (2); one end of the lead screw (82) penetrates through the mounting block (81) and is rotatably connected with the mounting block (81) through a bearing, the axial direction of the lead screw (82) is parallel to the communication direction of the accommodating cavity (5), and the other end of the lead screw is in threaded connection with the baffle (7) through a limiting piece (83); the limiting piece (83) is used for limiting the baffle (7) to rotate around the axis of the lead screw (82).

6. The cylinder jig of claim 5 wherein: the limiting piece (83) comprises a T-shaped guide rail (831) and a sliding seat (832), the T-shaped guide rail (831) is arranged on the surface of one side, close to the U-shaped clamping block (2), of the clamping plate (1), and the length direction of the T-shaped guide rail (831) is parallel to the communication direction of the accommodating cavity (5); the sliding seat (832) is sleeved on the T-shaped guide rail (831) in a sliding manner, and the surface of one side of the sliding seat (832) far away from the clamping plate (1) is fixedly connected with the baffle (7); the lead screw (82) is arranged on the sliding seat (832) in a penetrating mode and is in threaded connection with the sliding seat (832).

7. The cylinder jig of claim 5 wherein: the part of the screw rod (82) which is positioned on the mounting block (81) and is far away from the baffle (7) is provided with a crank handle (9).

8. The cylinder jig of claim 3 wherein: a plurality of elastic bulges (62) are uniformly arranged on the inner wall of the clamping groove (61).