CN220006039U - Improved fixture of numerical control lathe - Google Patents
Improved fixture of numerical control lathe Download PDFInfo
- Publication number
- CN220006039U CN220006039U CN202321444984.3U CN202321444984U CN220006039U CN 220006039 U CN220006039 U CN 220006039U CN 202321444984 U CN202321444984 U CN 202321444984U CN 220006039 U CN220006039 U CN 220006039U
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- sliding
- clamping
- shell
- clamping block
- side connecting
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- 210000000078 claw Anatomy 0.000 claims abstract description 16
- 230000035939 shock Effects 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of numerically controlled lathe clamps, in particular to an improved clamp of a numerically controlled lathe, which comprises a shell and a claw, wherein a sliding cavity is formed in the shell; the clamping jaw is provided with a sliding block, a baffle plate, a first clamping block and a second clamping block, and the sliding block is in sliding fit with the sliding cavity; the center of the baffle is provided with a sliding hole, and two side connecting arms are arranged on two sides of the baffle; the outer side of the first clamping block is provided with a sliding rod which is in sliding fit with the sliding hole, and two side connecting shafts are arranged on two sides of the first clamping block; the two second clamping blocks are arranged on two sides of the first clamping block, the second clamping blocks are provided with side connecting blocks, the side connecting blocks are used for being hinged with the side connecting shafts, the outer sides of the second clamping blocks are provided with second rotating shafts, and the second rotating shafts are respectively hinged with the two side connecting arms; the jaws are uniformly disposed about the center of the housing. According to the clamping device, the problem that the clamping area of the clamp to a workpiece is too small is solved through the first clamping block and the second clamping block, so that the clamp is more stable to clamp the workpiece.
Description
Technical Field
The utility model relates to the technical field of numerically controlled lathe clamps, in particular to an improved clamp of a numerically controlled lathe.
Background
A numerical control lathe is one of the numerical control lathes that are widely used. The cutting tool is mainly used for cutting machining of inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces of any cone angle, complex rotation inner and outer curved surfaces, cylindrical threads, conical threads and the like, and can be used for grooving, drilling, reaming, boring and the like. The numerical control lathe must use anchor clamps to press from both sides the work piece tight when processing, thereby prevent that the work piece from becoming flexible when processing from causing the incident.
Chinese patent CN214640364U provides a numerical control lathe fixture, including chuck body, mounting flange, gear mounting hole, jack catch groove, jack catch, dustproof baffle, tooth disc, clamping gear, the chuck body is the cylinder of inside hole digging, the outer end rear side of chuck is fixed with mounting flange, open at the outer end middle part of chuck has three gear mounting hole, open at the outer end front portion of chuck has three jack catch groove, and installs the jack catch in the jack catch groove.
However, when the clamp clamps a workpiece, the contact area of the clamp and the workpiece is small, the clamping area of the clamp is small, and the clamping of the workpiece is not stable enough.
Disclosure of Invention
According to the improved fixture for the numerical control lathe, the problem that the clamping area of the fixture to a workpiece is too small is solved through the first fixture block and the second fixture block, so that the fixture is more stable to clamp the workpiece.
In order to solve the problems in the prior art, the utility model provides an improved fixture of a numerical control lathe, which comprises a shell and a claw, wherein a sliding cavity is formed in the shell;
the clamping jaw is provided with a sliding block, a baffle plate, a first clamping block and a second clamping block, the shell is a cylinder extending in the horizontal direction, the sliding cavity extends from the center of the cylinder to the edge, and the sliding block is in sliding fit with the sliding cavity;
the baffle extends in the horizontal direction, a sliding hole is formed in the center of the baffle, and two side connecting arms are arranged on two sides of the baffle;
the outer side of the first clamping block is provided with a sliding rod which is in sliding fit with the sliding hole, two side connecting shafts are arranged on two sides of the first clamping block, and the side connecting shafts extend in the horizontal direction;
the two second clamping blocks are arranged on two sides of the first clamping block, a side connecting block is arranged on the second clamping block and close to the first clamping block, the side connecting block is used for being hinged with the side connecting shaft, a second rotating shaft is arranged on the outer side of the second clamping block, the second rotating shaft extends in the horizontal direction, and the second rotating shaft is respectively hinged with the two side connecting arms;
the clamping jaws are at least two, the clamping jaws are uniformly arranged around the center of the shell in the vertical direction, and the number of the sliding cavities is the same as that of the clamping jaws.
Preferably, the clamping jaw is also provided with an elastic washer;
the elastic gasket is formed by processing elastic rubber, and is arranged between the first clamping block and the baffle, and the number of the elastic gasket is the same as that of the clamping jaws.
Preferably, a rotary disk and a forward and backward motor are also arranged;
a rotating cavity for matching with the rotating disc is arranged in the shell;
the claw is also provided with spiral teeth which are arranged on the rear side surface of the sliding block, the spiral teeth are in the shape of planar spiral teeth, one side of the rotating disk, which is close to the claw, is provided with a rotating groove matched with the spiral teeth, and the rotating groove is a planar spiral tooth-shaped groove;
the positive and negative rotation motor sets up at the top of casing, and positive and negative rotation motor passes through the bolt detachable and installs on the casing, and positive and negative rotation motor's bottom is provided with the bevel gear, is provided with the through-hole that is used for passing through the motor shaft on the casing, bevel gear and its motor shaft fixed connection, is provided with the rotatory awl tooth that is used for cooperating the bevel gear in the one side that the rotary disk is close to the bevel gear.
Preferably, a rear cover is also arranged;
the rear cover is detachably mounted on the shell through bolts, and the rear cover is provided with a mounting flange.
Preferably, the rotating disc is also provided with a first rotating shaft;
the first rotating shaft is arranged at the center of one side of the rotating disc, which is close to the clamping jaw, and a front rotating groove is arranged on the shell at a position corresponding to the first rotating shaft and is used for being matched with the rotation of the first rotating shaft.
Preferably, the shell is further provided with a first shock pad and a second shock pad;
the first shock pad and the second shock pad are respectively arranged on the inner walls of two sides of the sliding cavity in the sliding direction, the first shock pad is detachably arranged at the center of the front side of the shell, the second shock pad is detachably arranged at the front side edge of the shell, and the first shock pad and the second shock pad are made of rubber materials.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the clamping device, the clamping area of the clamp to the workpiece is increased through the first clamping block and the second clamping block, so that the clamp is more stable in clamping the workpiece, and abrasion of the clamp to the outer side of the workpiece is reduced.
2. According to the utility model, the three clamping jaws are driven to move towards or away from the workpiece in the same direction through the rotating disc and the forward and reverse rotating motor, so that the workpiece is clamped at the center of the clamp, the clamping precision of the clamp is improved, and the subsequent processing of the numerically controlled lathe is facilitated.
3. The rear cover is convenient for staff to lubricate, maintain and replace parts in the shell, and the service life of the clamp is prolonged.
Drawings
Fig. 1 is a perspective structure use diagram of an improved fixture of a numerically controlled lathe.
Fig. 2 is a top view of an improved fixture for a numerically controlled lathe.
Fig. 3 is a cross-sectional view of a modified clamp of a numerically controlled lathe.
Fig. 4 is a schematic perspective view of a jaw of an improved fixture of a numerically controlled lathe.
Fig. 5 is an exploded view of the jaws of an improved fixture for a numerically controlled lathe.
The reference numerals in the figures are: 1-a housing; 11-a sliding cavity; 12-rotating the cavity; 13-a front spin slot; 14-a first shock pad; 15-a second shock pad; 2-clamping jaws; 21-a slider; 22-baffle; 221-a sliding hole; 222-side connecting arms; 23-a first clamping block; 231-slide bar; 232-side connecting shaft; 24-a second clamping block; 241-side connection block; 242-a second rotation axis; 25-an elastic washer; 26-helical teeth; 3-rotating the disc; 31-helical grooves; 32-rotating cone teeth; 33-a first rotation axis; 4-a forward and reverse rotation motor; 41-bevel gears; 5-a rear cover; 51-mounting flange.
Detailed Description
The utility model will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the utility model and the specific objects and functions achieved.
Referring to fig. 1-5: an improved fixture of a numerical control lathe comprises a shell 1 and a claw 2, wherein a sliding cavity 11 is arranged on the shell 1; the clamping jaw 2 is provided with a sliding block 21, a baffle 22, a first clamping block 23 and a second clamping block 24, the shell 1 is a cylinder extending in the horizontal direction, the sliding cavity 11 extends from the center of the cylinder to the edge, and the sliding block 21 is in sliding fit with the sliding cavity 11; the baffle 22 extends in the horizontal direction, a sliding hole 221 is provided at the center of the baffle 22, and two side connecting arms 222 are provided at both sides of the baffle 22; the outside of the first clamping block 23 is provided with a sliding rod 231, the sliding rod 231 is in sliding fit with the sliding hole 221, two side connecting shafts 232 are arranged on two sides of the first clamping block 23, and the side connecting shafts 232 extend in the horizontal direction; the two second clamping blocks 24 are arranged on two sides of the first clamping block 23, a side connecting block 241 is arranged on the second clamping block 24 close to the first clamping block 23, the side connecting block 241 is hinged with the side connecting shaft 232, a second rotating shaft 242 is arranged on the outer side of the second clamping block 24, the second rotating shaft 242 extends in the horizontal direction, and the second rotating shaft 242 is respectively hinged with the two side connecting arms 222; the number of the claws 2 is at least two, the claws 2 are uniformly arranged around the center of the housing 1 in the vertical direction, and the number of the sliding cavities 11 is the same as that of the claws 2.
The workpiece to be clamped is placed on the surface of the shell 1, three clamping jaws 2 move along the sliding cavity 11 towards the direction of the workpiece until the first clamping block 23 contacts the outer edge of the workpiece, the first clamping block 23 is pressed by the workpiece, the second clamping block 24 on the two sides of the first clamping block 23 moves towards the direction away from the workpiece along the sliding hole 221 on the baffle 22 through the sliding rod 231 on the outer side of the first clamping block, the second clamping block 24 on the two sides of the first clamping block 23 is hinged with the first clamping block 23 through the side connecting shaft 232 and the side connecting block 241, when the first clamping block 23 moves towards the direction away from the workpiece, one side of the second clamping block 24 close to the first clamping block 23 moves along with the first clamping block, the second rotating shaft 242 is arranged on the outer side of the second clamping block 24, the second rotating shaft 242 is hinged with the two side connecting arms 222 on the two sides of the baffle 22, the second clamping block 24 can only rotate around the second rotating shaft 242, the side of the second clamping block 24 is limited to rotate towards the direction away from the workpiece, the side away from the first clamping block 23, until the inner sides of the first clamping block 23 and the inner sides of the second clamping block 24 are attached to the outer edge of the workpiece, the workpiece clamp is enabled to be more firmly worn, and the clamping clamp the outer edge of the workpiece clamp is enabled to be more firmly worn.
Referring to fig. 4 and 5: the claw 2 is also provided with an elastic washer 25; the elastic washers 25 are formed by processing elastic rubber, the elastic washers 25 are arranged between the first clamping block 23 and the baffle 22, and the number of the elastic washers 25 is the same as that of the clamping jaws 2.
The elastic washer 25 is arranged between the first clamping block 23 and the baffle 22, the elastic washer 25 is formed by elastic rubber in a processing mode, when the clamp clamps a workpiece, the elastic washer 25 is compressed by the pressure of the first clamping block 23 and the baffle 22, the first clamping block 23 slowly moves towards the direction away from the workpiece, when the clamping of the clamp is finished, the elastic washer 25 is not subjected to the pressure, the elastic washer 25 rebounds, the first clamping block 23 returns to the original position, the elastic washer 25 is arranged between the baffle 22 and the first clamping block 23, when the clamp clamps, buffering is provided for the first clamping block 23, the side connecting shaft 232 and the second rotating shaft 242 are prevented from being broken due to overlarge displacement amplitude, and the clamping effect and the safety performance of the clamp are improved.
Referring to fig. 1-3: a rotary disk 3 and a forward and backward motor 4 are also arranged; a rotating cavity 12 for matching with the rotating disc 3 is arranged in the shell 1; the claw 2 is also provided with a spiral tooth 26, the spiral tooth 26 is arranged on the rear side surface of the sliding block 21, the spiral tooth 26 is in a planar spiral tooth shape, one side of the rotating disk 3, which is close to the claw 2, is provided with a rotating groove matched with the spiral tooth 26, and the rotating groove is a planar spiral tooth-shaped groove; the positive and negative rotation motor 4 sets up at the top of casing 1, and positive and negative rotation motor 4 passes through the detachable installation of bolt on casing 1, and positive and negative rotation motor 4's bottom is provided with bevel gear 41, is provided with the through-hole that is used for passing through the motor shaft on casing 1, bevel gear 41 and its motor shaft fixed connection, is provided with the rotatory awl tooth 32 that is used for cooperating bevel gear 41 in the one side that rotary disk 3 is close to bevel gear 41.
The positive and negative rotation motor 4 is installed at the top of casing 1, the bottom is provided with bevel gear 41, bevel gear 41 and its motor shaft fixed connection, start positive and negative rotation motor 4 drive bevel gear 41 rotatory, the one side that the rotary disk 3 is close to bevel gear 41 is provided with the rotatory bevel gear 32 of cooperation bevel gear 41, make positive and negative rotation motor 4 drive rotary disk 3 rotate in rotatory cavity 12 through bevel gear 41 and rotatory bevel gear 32, be provided with helical tooth 26 at the rear side surface of slider 21, helical tooth 26 is planar spiral's profile, be provided with the helicla flute 31 that is used for cooperating helical tooth 26 at the one side that the rotary disk 3 is close to jack catch 2, helical flute 31 is planar spiral's profile recess, when rotary disk 3 rotates, slider 21 moves along sliding cavity 11 through helical tooth 26 and helical flute 31's cooperation, through positive and negative rotation of positive and negative rotation motor 4, control jack catch 2 moves along the direction towards or keep away from the work piece, and the same direction removal simultaneously, the work piece is located to the centre of anchor clamps when need not clamping again, can be with the work piece, the clamping precision of anchor clamps.
Referring to fig. 1-3: a rear cover 5 is also arranged; the rear cover 5 is detachably mounted on the housing 1 by bolts, and a mounting flange 51 is provided on the rear cover 5.
Through set up detachable back lid 5 on casing 1, the staff of being convenient for opens back lid 5 and lubricates, maintains and change the part of casing 1 inside, prolongs the life of anchor clamps, is provided with mounting flange 51 on back lid 5, is convenient for install anchor clamps detachable on the numerical control lathe, improves the suitability of anchor clamps.
Referring to fig. 3: the rotary disk 3 is also provided with a first rotary shaft 33; the first rotation shaft 33 is provided at the center on one side of the rotating disk 3 near the claw 2, and a front rotation groove 13 is provided on the housing 1 at a position corresponding to the first rotation shaft 33 for cooperating with the rotation of the first rotation shaft 33.
The rotary disk 3 is provided with a first rotary shaft 33, the position of the shell 1 corresponding to the first rotary shaft 33 is provided with a front rotary groove 13 matched with the first rotary shaft 33, the rotary disk 3 is limited to rotate around the axis of the first rotary shaft 33, the rotary disk 3 is prevented from shifting in the rotary cavity 12, the rotary disk 3 and the shell 1 are damaged, and the service life of the clamp is influenced.
Referring to fig. 3: the shell 1 is also provided with a first shock pad 14 and a second shock pad 15; the first shock pad 14 and the second shock pad 15 are respectively arranged on the inner walls of the two sides of the sliding cavity 11 in the sliding direction, the first shock pad 14 is detachably arranged at the center of the front side of the shell 1, the second shock pad 15 is detachably arranged at the front side edge of the shell 1, and the first shock pad 14 and the second shock pad 15 are made of rubber materials.
The shock pads are arranged on the inner walls of the two sides of the sliding cavity 11 in the sliding direction, when the clamping jaws 2 contact the inner wall of the sliding cavity 11, buffering is carried out, direct collision of the two is avoided, noise is generated, the clamp is damaged, and the safety performance of the clamp is improved.
The foregoing examples merely illustrate one or more embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (6)
1. An improved fixture of a numerical control lathe comprises a shell (1) and a claw (2), and is characterized in that a sliding cavity (11) is formed in the shell (1);
the clamping jaw (2) is provided with a sliding block (21), a baffle plate (22), a first clamping block (23) and a second clamping block (24), the shell (1) is a cylinder extending in the horizontal direction, the sliding cavity (11) extends from the center of the cylinder to the edge, and the sliding block (21) is in sliding fit with the sliding cavity (11);
the baffle plate (22) extends in the horizontal direction, a sliding hole (221) is formed in the center of the baffle plate (22), and two side connecting arms (222) are arranged on two sides of the baffle plate (22);
the outer side of the first clamping block (23) is provided with a sliding rod (231), the sliding rod (231) is in sliding fit with the sliding hole (221), two side connecting shafts (232) are arranged on two sides of the first clamping block (23), and the side connecting shafts (232) extend in the horizontal direction;
the two second clamping blocks (24) are arranged on two sides of the first clamping block (23), a side connecting block (241) is arranged on the second clamping block (24) close to the first clamping block (23), the side connecting block (241) is hinged with the side connecting shaft (232), a second rotating shaft (242) is arranged on the outer side of the second clamping block (24), the second rotating shaft (242) extends in the horizontal direction, and the second rotating shaft (242) is hinged with the two side connecting arms (222) respectively;
the number of the sliding cavities (11) is the same as that of the clamping claws (2).
2. The improved fixture of the numerically controlled lathe according to claim 1, wherein the clamping jaw (2) is further provided with an elastic washer (25);
the elastic washers (25) are formed by processing elastic rubber, the elastic washers (25) are arranged between the first clamping blocks (23) and the baffle plates (22), and the number of the elastic washers (25) is the same as that of the clamping jaws (2).
3. The improved fixture of the numerically controlled lathe according to claim 1, further comprising a rotary disk (3) and a forward and reverse rotation motor (4);
a rotating cavity (12) for matching with the rotating disc (3) is arranged in the shell (1);
the claw (2) is also provided with a spiral tooth (26), the spiral tooth (26) is arranged on the rear side surface of the sliding block (21), the spiral tooth (26) is in a planar spiral tooth shape, one side of the rotating disk (3) close to the claw (2) is provided with a rotating groove matched with the spiral tooth (26), and the rotating groove is a planar spiral tooth-shaped groove;
the positive and negative rotation motor (4) is arranged at the top of the shell (1), the positive and negative rotation motor (4) is detachably arranged on the shell (1) through bolts, a bevel gear (41) is arranged at the bottom of the positive and negative rotation motor (4), a through hole for passing through a motor shaft is formed in the shell (1), the bevel gear (41) is fixedly connected with the motor shaft, and rotary bevel teeth (32) for being matched with the bevel gear (41) are arranged on one side, close to the bevel gear (41), of the rotary disc (3).
4. The improved fixture for numerically controlled lathes as in claim 1, further comprising a back cover (5);
the rear cover (5) is detachably arranged on the shell (1) through bolts, and the rear cover (5) is provided with a mounting flange (51).
5. A numerical control lathe improved fixture according to claim 3, characterized in that the rotating disc (3) is also provided with a first rotation shaft (33);
the first rotating shaft (33) is arranged at the center of one side of the rotating disc (3) close to the clamping jaw (2), and a front rotating groove (13) is arranged on the shell (1) at a position corresponding to the first rotating shaft (33) and is used for matching with the rotation of the first rotating shaft (33).
6. The improved fixture of the numerically controlled lathe according to claim 1, wherein the shell (1) is further provided with a first shock pad (14) and a second shock pad (15);
the first shock pad (14) and the second shock pad (15) are respectively arranged on the inner walls of the two sides of the sliding cavity (11) in the sliding direction, the first shock pad (14) is detachably arranged at the center of the front side of the shell (1), the second shock pad (15) is detachably arranged at the front side edge of the shell (1), and the first shock pad (14) and the second shock pad (15) are made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321444984.3U CN220006039U (en) | 2023-06-08 | 2023-06-08 | Improved fixture of numerical control lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321444984.3U CN220006039U (en) | 2023-06-08 | 2023-06-08 | Improved fixture of numerical control lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220006039U true CN220006039U (en) | 2023-11-14 |
Family
ID=88674437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321444984.3U Active CN220006039U (en) | 2023-06-08 | 2023-06-08 | Improved fixture of numerical control lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220006039U (en) |
-
2023
- 2023-06-08 CN CN202321444984.3U patent/CN220006039U/en active Active
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