CN209737089U - Clamp for machining center hole of shaft workpiece - Google Patents
Clamp for machining center hole of shaft workpiece Download PDFInfo
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- CN209737089U CN209737089U CN201920530755.0U CN201920530755U CN209737089U CN 209737089 U CN209737089 U CN 209737089U CN 201920530755 U CN201920530755 U CN 201920530755U CN 209737089 U CN209737089 U CN 209737089U
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- machining
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Abstract
The utility model discloses a clamp for processing a center hole of a shaft workpiece, which comprises a base, wherein the base is provided with a mounting hole; the clamping mechanism is arranged on the upper end of the baffle plate; the baffle is fixedly connected to the base, and one side of the baffle is fixedly connected with an upper clamping mechanism and a lower clamping mechanism; the clamping mechanism is composed of two clamping blocks, and an outward V-shaped bayonet is formed between the two clamping blocks; the clamping mechanism is fixedly connected to the base on the side of the clamping mechanism, and one end of the clamping mechanism moves relative to the clamping mechanism and limits the shaft workpiece in the V-shaped bayonet; the clamping mechanism comprises a support, a handle, a connecting rod, a sliding sleeve and a chuck. The utility model discloses when using, place axle type work piece in V style of calligraphy bayonet joint department, clamping mechanism removes in order to restrict the live axle type work piece in screens mechanism in opposite directions, and the back is accomplished in the spot hole, and clamping mechanism keeps away from in screens mechanism so that take off axle type work piece, and labour saving and time saving has improved efficiency.
Description
Technical Field
The utility model relates to an anchor clamps frock technical field especially relates to an anchor clamps for processing axle type work piece centre bore.
Background
In either machine, no holes are made. Screw holes, pin holes or rivet holes of various sizes are required for connecting parts; various mounting holes are required for fixing the transmission part; the machine parts themselves also have a number of holes of various kinds, such as: oil holes, fabrication holes, lightening holes and the like. The operation of machining a hole to make it desirable is called hole machining.
Before a central hole is machined in a shaft workpiece, accurate marking needs to be carried out in advance, and the central hole is positioned by using a central drill to ensure the position precision of the shaft workpiece hole machining. Most of the point center holes are realized through a drilling machine, a clamp of the drilling machine is a flat tongs, and a shaft workpiece is clamped on the flat tongs so as to ensure that the center drill and the shaft workpiece are concentric. However, spot hole machining is different from drilling machining, a groove can be reserved only by slightly touching the shaft workpiece through the central drill, and the reserved groove can be used as a positioning point of drilling, so that the requirement of the spot hole machining on the clamping degree of the shaft workpiece is not high. If the traditional flat tongs are used as a clamp for spot hole machining, a large amount of time is needed to disassemble and assemble the shaft workpieces each time, time and labor are wasted, and the efficiency is reduced.
Therefore, it is necessary to provide a fixture for machining a center hole of a shaft-like workpiece to solve the above problems.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide an anchor clamps for processing axle type work piece centre bore places axle type work piece in V style of calligraphy bayonet socket department, during some centre bores, clamping mechanism removes in order to restrict the axle type work piece in the screens mechanism in opposite directions, and the back is accomplished in some holes, and clamping mechanism keeps away from in screens mechanism so that take off axle type work piece, labour saving and time saving improves efficiency to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
A clamp for processing a central hole of a shaft workpiece comprises a base, wherein a mounting hole is formed in the base; the clamping mechanism is arranged on the upper end of the baffle plate; the baffle is fixedly connected to the base, and one side of the baffle is fixedly connected with an upper clamping mechanism and a lower clamping mechanism; the clamping mechanism is composed of two clamping blocks, and an outward V-shaped bayonet is formed between the two clamping blocks; the clamping mechanism is fixedly connected to the base on the side of the clamping mechanism, and one end of the clamping mechanism moves relative to the clamping mechanism and limits the shaft workpiece in the V-shaped bayonet.
The utility model has the further improvement that the clamping mechanism comprises a bracket, a handle, a connecting rod, a sliding sleeve and a chuck; one end of the handle is bent and hinged to the end, far away from the clamping mechanism, of the support, and the sliding sleeve is fixedly connected to the end, close to the clamping mechanism, of the support; one end of the connecting rod is hinged to the bending part of the handle, and the other end of the connecting rod is hinged to the end, far away from the clamping mechanism, of the sliding rod; the sliding rod is connected to the inner wall of the sliding sleeve in a sliding mode and is perpendicular to the baffle, and the chuck is fixedly connected to the end, close to the clamping mechanism, of the sliding rod.
The utility model discloses a further improvement is, the connecting rod is bilayer structure and is the L style of calligraphy, and the longer one end of connecting rod articulates in the slide bar, and shorter one end articulates in the handle.
The utility model discloses a further improvement is, the support is raised through the supporting seat and is fixed in on the base, and the slide bar is located the middle part of upper and lower two sets of screens mechanism.
the utility model discloses a further improvement scheme is, the chuck is close to and is equipped with the arc wall on the terminal surface of screens mechanism.
The utility model discloses a further improvement scheme is, still include displacement mechanism, baffle fixed connection is on displacement mechanism, and the screens mechanism on the baffle removes along with displacement mechanism.
The utility model has the further improvement that the displacement mechanism comprises a movable seat, a fixed block and a lead screw; the fixed block is fixedly connected above the base far away from the end of the clamping mechanism, and sliding grooves are formed in two sides of the base far away from the end of the clamping mechanism; the movable seat is inverted U-shaped and is connected with the sliding grooves on the two sides of the base in a sliding manner through the sliding block, and the baffle is fixedly connected to the top of the movable seat far away from the clamping mechanism; the lead screw penetrates through the fixed plate in a threaded manner and is rotatably connected to the movable base.
the utility model discloses a further improvement is, this end that the removal seat is close to the fixed block is equipped with the recess, and the rotatory piece of tip fixedly connected with of lead screw, rotatory piece are placed in the recess, and the outer mouthful fixedly connected with retaining ring of recess is in order to restrict rotatory piece in the recess.
The utility model discloses a further improvement is, this end that the lead screw was kept away from in the removal seat extends to the base outside and articulates there is the crank.
The utility model discloses a further improvement is, this end that the slide bar is close to clamping mechanism is equipped with the screw hole, and screw rod fixed connection is in this screw hole, and chuck fixed connection is close this end of clamping mechanism at the screw rod.
The utility model has the advantages that:
The utility model discloses an anchor clamps for processing axle type work piece centre bore place axle type work piece in V style of calligraphy bayonet joint department, when some centre bores, clamping mechanism removes in order to restrict axle type work piece in screens mechanism in opposite directions, and some hole are accomplished the back, and clamping mechanism keeps away from in screens mechanism so that take off axle type work piece, and considerable labour saving and time saving has greatly improved work efficiency.
Two, the utility model discloses an anchor clamps for processing axle type work piece centre bore, overall structure is simple, scientific and reasonable, and the cost of design, manufacturing is less, has reduced the expenditure of enterprise.
Thirdly, the utility model discloses an anchor clamps for processing axle type work piece centre bore, clamping mechanism just can realize the removal of chuck, convenient to use is laborsaving through carrying of handle when using.
Four, the utility model discloses an anchor clamps for processing axle type work piece centre bore, the support is raised through the supporting seat and is fixed in on the base, and the slide bar is located the middle part of two sets of screens mechanisms from top to bottom, and the atress when can guarantee like this that axle type work piece presss from both sides tightly is more reasonable.
Fifthly, the utility model discloses an anchor clamps for processing axle type work piece centre bore, the chuck is close to and is equipped with the arc wall on the terminal surface of screens mechanism to make the better tight axle type work piece of clamp of chuck.
Six, the utility model discloses an anchor clamps for processing axle type work piece centre bore, displacement mechanism can make the screens mechanism remove about, can satisfy the user demand of different diameter axle type work pieces like this.
Seventhly, the utility model discloses an anchor clamps for processing axle type work piece centre bore, the chuck is fixed on the screw rod, and the screw rod spiro union in slide bar again, the position of adjustable chuck like this to make things convenient for the use of different diameter axle type work pieces.
Drawings
Fig. 1 is a schematic structural diagram of the present invention when processing a shaft i.
Fig. 2 is a top view of the positioning mechanism of the present invention.
Fig. 3 is a schematic structural diagram of the shaft ii processing apparatus of the present invention.
Fig. 4 is a schematic structural view of the shaft iii of the present invention.
In the figure: the device comprises a base 1, a baffle 2, a fixture block 3, a bayonet in a shape of 4-V, a support 5, a handle 6, a connecting rod 7, a sliding rod 8, a sliding sleeve 9, a clamping head 10, a supporting seat 11, an arc groove 12, a movable seat 13, a fixed block 14, a screw rod 15, a sliding groove 16, a rotating block 17, a check ring 18, a crank 19, a screw rod 20, a spindle box 21, a central hole 22, a shaft I23, a shaft II 24 and a shaft III 25.
Detailed Description
The present invention will be further clarified by the following detailed description, which is to be understood as being given only for the purpose of illustration and not for the purpose of limiting the scope of the invention, and modifications of various equivalent forms of the invention which are obvious to those skilled in the art after reading the present invention, all falling within the scope of the appended claims.
Example 1: as shown in fig. 1-2, a fixture for processing a central hole of a shaft-like workpiece includes a base 1, wherein the base 1 is provided with a mounting hole, in this embodiment, the mounting hole is a long-waist-shaped hole, and the base 1 is fixedly connected to a drilling machine through a bolt; the device also comprises a baffle 2, a clamping mechanism and a clamping mechanism; the baffle 2 is fixedly connected to the base 1, and an upper clamping mechanism and a lower clamping mechanism are welded on one side of the baffle 2; the clamping mechanism is composed of two clamping blocks 3, and an outward V-shaped bayonet 4 is formed between the two clamping blocks 3; the clamping mechanism is fixedly connected to the base 1 on the side of the clamping mechanism, and one end of the clamping mechanism moves opposite to the clamping mechanism and limits the shaft workpiece in the V-shaped bayonet 4.
The clamping mechanism comprises a bracket 5, a handle 6, a connecting rod 7, a sliding rod 8, a sliding sleeve 9 and a chuck 10; one end of the handle 6 is bent and hinged to the end of the bracket 5 far away from the clamping mechanism through a rivet, and the sliding sleeve 9 is welded to the end of the bracket 5 close to the clamping mechanism; one end of the connecting rod 7 is hinged to the bending part of the handle 6 through a rivet, and the other end of the connecting rod is hinged to the end, far away from the clamping mechanism, of the sliding rod 8 through a rivet; the sliding rod 8 is connected with the inner wall of the sliding sleeve 9 in a sliding mode and is perpendicular to the baffle 2, and the chuck 10 is fixedly connected to the end, close to the clamping mechanism, of the sliding rod 8.
The connecting rod 7 is of a double-layer structure and is L-shaped, the longer end of the connecting rod 7 is hinged to the sliding rod 8, and the shorter end of the connecting rod 7 is hinged to the handle 6; the support 5 is lifted and fixed on the base 1 through a support seat 11, the support seat 11 is fixedly connected on the base 1 through a bolt, the support 5 is fixedly connected on the support seat 11 through a bolt, and the slide rod 8 is positioned in the middle of the upper clamping mechanism and the lower clamping mechanism; the end face of the chuck 10 close to the clamping mechanism is provided with an arc-shaped groove 12.
The specific working principle of the embodiment is as follows: when a large number of center holes are punched, the shaft I23 is placed at the V-shaped bayonet 4, and the center line of the shaft I23 is overlapped with the center line of the center drill 22; an operator lifts the handle 6 upwards, the connecting rod 7 pushes the sliding rod 8 to move, so that the chuck 10 props against the shaft I23, the spindle box 21 of the drilling machine moves downwards, and the central drill 22 is in contact with the shaft I23 and is drilled; after the hole is punched, an operator presses the handle 6 downwards, the connecting rod 7 pulls the sliding rod 8 to move so that the chuck 10 is far away from the shaft I23, and then the shaft I23 is taken down.
Example 2: the embodiment is different from the embodiment 1 in that, in the use of the embodiment 1, although the trouble of clamping shaft workpieces by the traditional flat tongs is avoided, the application range is single because the opening degree of the V-shaped bayonet 4 is not changed; because if the diameter size of the shaft workpiece changes, the center line of the shaft workpiece will deviate from the center line of the center drill 22; in the present embodiment, the above-mentioned defects can be avoided, specifically:
The baffle 2 is fixedly connected to the displacement mechanism, and the clamping mechanism on the baffle 2 moves along with the displacement mechanism; the displacement mechanism comprises a moving seat 13, a fixed block 14 and a lead screw 15; the fixed block 14 is welded above the base 1 far away from the end of the clamping mechanism, and sliding grooves 16 are formed in two sides of the base 1 far away from the end of the clamping mechanism; the movable seat 13 is inverted U-shaped, the movable seat 13 is connected with the sliding grooves 16 on two sides of the base 1 in a sliding manner through the sliding block, and the baffle 2 is welded on the top of the movable seat 13 far away from the end of the clamping mechanism; the lead screw 15 penetrates through the fixed plate in a threaded manner and is rotatably connected to the movable base 13; a groove is formed in the end, close to the fixed block 14, of the moving seat 13, a rotating block 17 is welded to the end portion of the lead screw 15, the rotating block 17 is placed in the groove, and the size of the rotating block 17 is smaller than that of a groove cavity of the groove, so that the rotating block 17 can freely rotate in the groove; a check ring 18 is fixedly connected to the outer opening of the groove to limit the rotating block 17 in the groove, the check ring 18 is in a copper wire shape and is connected with the moving seat 13 through a bolt, and the inner diameter of the check ring 18 is larger than the outer diameter of the lead screw 15 to prevent the check ring 18 from interfering with the lead screw 15; the end of the spindle 15 remote from the movable base 13 extends outside the base 1 and is hinged to a crank 19 by means of a rivet.
The specific working principle of the embodiment is as follows: as shown in FIG. 3, when a center hole of the shaft II 24 is formed in a large batch, the diameter of the shaft II 24 is larger than that of the shaft I23; the shaft II 24 is placed at the V-shaped bayonet 4, the center line of the shaft II 24 deviates to the side close to the clamping mechanism, the screw rod 15 is shaken anticlockwise through the crank 19, and the moving seat 13 deviates to the side far away from the clamping mechanism, so that the center line of the shaft II 24 is enabled to be coincident with the center line of the central drill 22; an operator lifts the handle 6 upwards, the connecting rod 7 pushes the sliding rod 8 to move, so that the chuck 10 props against the shaft II 24, the spindle box 21 of the drilling machine moves downwards, and the central drill 22 is in contact with the shaft II 24 and is drilled; after the hole is punched, an operator presses the handle 6 downwards, the connecting rod 7 pulls the sliding rod 8 to move so that the chuck 10 is far away from the shaft II 24, and then the shaft II 24 is taken down.
the displacement mechanism in this embodiment can move the clamping mechanism left and right to ensure that the center lines of the shaft workpieces with different diameters coincide with the center line of the center drill 22, so as to meet the use requirements of the shaft workpieces with different diameters.
Otherwise, this embodiment is identical to embodiment 1, and will not be described herein.
Example 3: the embodiment is a further improvement of the embodiment 2, and has the main improvements that in the embodiment 2, when the clamping head 10 is used, the clamping head cannot be adjusted, and the flexibility is low when the shaft-type workpiece with a small diameter is clamped; in the present embodiment, the above-mentioned defects can be avoided, specifically:
The end of the slide bar 8 close to the clamping mechanism is provided with a threaded hole, a screw rod 20 is screwed in the threaded hole, and a chuck 10 is screwed in the screw rod 20 and is fixed at the end of the screw rod 20 close to the clamping mechanism through a lock nut; in this embodiment, in order to exhibit the self-locking function of the screw 20, a fine-pitch screw 20 having a pitch of 0.75 is used as the screw 20, using M18.
The specific working principle of the embodiment is as follows: as shown in FIG. 4, in mass spot center hole of shaft III 25, the diameter of shaft III 25 is smaller than that of shaft I23; the shaft III 25 is placed at the V-shaped bayonet 4, the center line of the shaft III 25 deviates to the side far away from the clamping mechanism, the lead screw 15 is clockwise shaken by the crank 19, and the movable base 13 deviates to the side close to the clamping mechanism, so that the center line of the shaft II 24 is enabled to be coincident with the center line of the central drill 22; an operator lifts the handle 6 upwards, the connecting rod 7 pushes the sliding rod 8 to move, so that the chuck 10 abuts against the shaft II 24, if the chuck 10 cannot abut against the shaft III 25 at the moment, the clamping function of the chuck 10 can be realized by adjusting the length of the screw rod 20, the spindle box 21 of the drilling machine moves downwards, and the central drill 22 is in contact with the shaft III 25 and is drilled; after the hole is punched, an operator presses the handle 6 downwards, the connecting rod 7 pulls the sliding rod 8 to move so that the chuck 10 is far away from the shaft III 25, and then the shaft III 25 is removed.
The position of the chuck 10 can be adjusted in this embodiment, so that the chuck is more flexible when clamping shaft workpieces with different diameters.
Otherwise, this embodiment is identical to embodiment 2, and will not be described herein.
Claims (10)
1. A clamp for machining a central hole of a shaft workpiece comprises a base (1), wherein a mounting hole is formed in the base (1); the method is characterized in that: the clamping device also comprises a baffle (2), a clamping mechanism and a clamping mechanism; the baffle (2) is fixedly connected to the base (1), and one side of the baffle (2) is fixedly connected with an upper clamping mechanism and a lower clamping mechanism; the clamping mechanism is composed of two clamping blocks (3), and an outward V-shaped bayonet (4) is formed between the two clamping blocks (3); the clamping mechanism is fixedly connected to the base (1) on the side of the clamping mechanism, and one end of the clamping mechanism moves opposite to the clamping mechanism and limits the shaft workpiece in the V-shaped bayonet (4).
2. The fixture for machining the central hole of the shaft workpiece as claimed in claim 1, wherein: the clamping mechanism comprises a bracket (5), a handle (6), a connecting rod (7), a sliding rod (8), a sliding sleeve (9) and a chuck (10); one end of the handle (6) is bent and hinged to the end, far away from the clamping mechanism, of the support (5), and the sliding sleeve (9) is fixedly connected to the end, close to the clamping mechanism, of the support (5); one end of the connecting rod (7) is hinged to the bending part of the handle (6), and the other end of the connecting rod is hinged to the end, away from the clamping mechanism, of the sliding rod (8); the sliding rod (8) is connected to the inner wall of the sliding sleeve (9) in a sliding mode and is perpendicular to the baffle (2), and the chuck (10) is fixedly connected to the end, close to the clamping mechanism, of the sliding rod (8).
3. The fixture for machining the central hole of the shaft workpiece as claimed in claim 2, wherein: the connecting rod (7) is of a double-layer structure and is L-shaped, the longer end of the connecting rod (7) is hinged to the sliding rod (8), and the shorter end of the connecting rod is hinged to the handle (6).
4. A fixture for machining a central hole of a shaft-like workpiece according to claim 3, characterized in that: the support (5) is lifted up through the supporting seat (11) and fixed on the base (1), and the sliding rod (8) is positioned in the middle of the upper clamping mechanism and the lower clamping mechanism.
5. The fixture for machining the central hole of the shaft workpiece as claimed in claim 2, wherein: an arc-shaped groove (12) is arranged on the end surface of the chuck (10) close to the clamping mechanism.
6. A fixture for machining a central hole of a shaft-like workpiece according to any one of claims 2 to 5, characterized in that: the baffle plate (2) is fixedly connected to the displacement mechanism, and the clamping mechanism on the baffle plate (2) moves along with the displacement mechanism.
7. The fixture for machining the central hole of the shaft workpiece as claimed in claim 6, wherein: the displacement mechanism comprises a moving seat (13), a fixed block (14) and a lead screw (15); the fixing block (14) is fixedly connected above the base (1) far away from the end of the clamping mechanism, and sliding grooves (16) are formed in two sides of the base (1) far away from the end of the clamping mechanism; the movable seat (13) is inverted U-shaped, the movable seat (13) is connected with the sliding grooves (16) on the two sides of the base (1) in a sliding mode through the sliding blocks, and the baffle (2) is fixedly connected to the top of the end, far away from the clamping mechanism, of the movable seat (13); the lead screw (15) penetrates through the fixed plate in a threaded manner and is rotatably connected to the movable base (13).
8. The fixture for machining the central hole of the shaft workpiece as claimed in claim 7, wherein: the end, close to the fixed block (14), of the moving seat (13) is provided with a groove, the end part of the lead screw (15) is fixedly connected with a rotating block (17), the rotating block (17) is placed in the groove, and the outer opening of the groove is fixedly connected with a check ring (18) so as to limit the rotating block (17) in the groove.
9. The fixture for machining the central hole of the shaft workpiece as claimed in claim 8, wherein: the end of the screw rod (15) far away from the moving seat (13) extends to the outer side of the base (1) and is hinged with a crank (19).
10. The jig for machining the center hole of the shaft-like workpiece according to claim 9, wherein: the end of the sliding rod (8) close to the clamping mechanism is provided with a threaded hole, a screw rod (20) is fixedly connected in the threaded hole, and a chuck (10) is fixedly connected to the end of the screw rod (20) close to the clamping mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920530755.0U CN209737089U (en) | 2019-04-18 | 2019-04-18 | Clamp for machining center hole of shaft workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920530755.0U CN209737089U (en) | 2019-04-18 | 2019-04-18 | Clamp for machining center hole of shaft workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209737089U true CN209737089U (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920530755.0U Active CN209737089U (en) | 2019-04-18 | 2019-04-18 | Clamp for machining center hole of shaft workpiece |
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| Country | Link |
|---|---|
| CN (1) | CN209737089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008090A (en) * | 2022-04-22 | 2022-09-06 | 安徽圣方机械制造有限公司 | Welding device for producing gas drainage pipe and machining process thereof |
-
2019
- 2019-04-18 CN CN201920530755.0U patent/CN209737089U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008090A (en) * | 2022-04-22 | 2022-09-06 | 安徽圣方机械制造有限公司 | Welding device for producing gas drainage pipe and machining process thereof |
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