CN210046328U

CN210046328U - Magnetic suction workpiece clamp for drilling machine special for tapping

Info

Publication number: CN210046328U
Application number: CN201920479532.6U
Authority: CN
Inventors: 王威
Original assignee: Guangzhou Zewei Metal Machinery Co Ltd
Current assignee: Guangzhou Zewei Metal Machinery Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-02-11
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses a work piece holder is inhaled with magnetism to special drilling machine of tapping, including bottom plate, fixed block, movable block and two-way threaded rod, the fixed block of bottom plate upper end intermediate position, fixed block upper end installation magnetism suction disc, magnetism suction disc upper end movable mounting centre gripping subassembly, centre gripping subassembly lower extreme intermediate position is equipped with the support column, the fixed movable block of support column lower extreme, movable block movable mounting is in the bottom plate upper end, the inside two-way threaded rod that is equipped with of movable block, two-way threaded rod annular outer end is equipped with the fixed block. Has the advantages that: the utility model discloses optimize the anchor clamps structure, improved the fastness of centre gripping, and be convenient for carry out the centre gripping to the work piece of multiple shape.

Description

Magnetic suction workpiece clamp for drilling machine special for tapping

Technical Field

The utility model relates to a work piece holder field especially relates to a work piece holder is inhaled with magnetism to special drilling machine of tapping.

Background

A drill press refers to a machine tool that uses a drill bit to form a hole in a workpiece, and usually the drill bit rotates as a primary motion and the drill bit moves axially as a feed motion. The drilling machine can drill through holes and blind holes, replace special cutters, and can expand, ream and ream holes or perform tapping and other processing. In the machining process, the workpiece is fixed, the cutter moves, the center of the cutter is aligned with the center of the hole, and the cutter rotates.

Utilize bolt installation and dismantle different kinds of splint and realize carrying out the centre gripping to the hardware of different shapes among the polytypic hardware adds clamping apparatus of publication No. CN208051715U, this kind of anchor clamps can realize carrying out the centre gripping to the hardware of different shapes, nevertheless all need changing the splint to the hardware centre gripping of various shapes, the troublesome poeration, and at the tapping in-process, because drill bit and the high-speed friction of work piece, the work piece atress is great, lead to the anchor clamps insecure easily, the condition such as work piece slip, also the incident appears easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a work piece holder is inhaled with magnetism to special drilling machine of tapping just in order to solve above-mentioned problem, the utility model discloses optimize the anchor clamps structure, improved the fastness of centre gripping, and be convenient for carry out the centre gripping to the work piece of multiple shape.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a work piece holder is inhaled with magnetism to special drilling machine of tapping, includes bottom plate, fixed block, movable block and two-way threaded rod, the fixed block of bottom plate upper end intermediate position, fixed block upper end installation magnetism suction disc, magnetism suction disc upper end movable mounting centre gripping subassembly, centre gripping subassembly lower extreme intermediate position is equipped with the support column, the support column is installed in the fixed block outside, the fixed movable block of support column lower extreme, movable block movable mounting is in the bottom plate upper end, the movable block is installed in the fixed block outside, the inside two-way threaded rod that is equipped with of movable block, two-way threaded rod annular.

So set up, place the work piece magnetism suction plate upper end makes two-way threaded rod rotation drive centre gripping subassembly inwards moves, thereby utilizes centre gripping subassembly carries out the centre gripping to the work piece, and starts magnetism suction plate realizes adsorbing the work piece, has improved the fastness to the work piece centre gripping.

Further, the clamping assembly comprises a central ring, clamping plates, a top plate, a first locking bolt, an insert block and a second locking bolt, the central ring is arranged at the annular outer end of the supporting column, the top plate is fixed at the upper end of the supporting column, the first locking bolt is arranged at the upper end of the top plate, the first locking bolt penetrates through the top plate and extends to the inside of the central ring, at least two clamping plates are uniformly embedded on the annular end surface of the central ring, the insert block is fixed at the inner ends of at least two clamping plates, at least two insert blocks are arranged inside the central ring, at least two second locking bolts are uniformly fixed at the upper end of the central ring, the second locking bolts are arranged at the outer side of the top plate, the at least two second locking bolts penetrate through the central ring and extend to the inside of the at least two insert blocks respectively, and the central ring is fixed with the insert block through the second locking bolts, so set up, the grip block pass through locking bolt two with the center ring is fixed, and the installation and the dismantlement of being convenient for, and cooperation locking bolt one utilizes the different grade type the grip block carries out the centre gripping to the work piece of different shapes.

Furthermore, at least two first arc-shaped grooves and two second arc-shaped grooves are uniformly formed in the annular outer end face of the central circular ring, the first arc-shaped grooves are formed in the inner ends of the second arc-shaped grooves, embedding blocks are arranged in the first arc-shaped grooves, clamping plates are arranged in the second arc-shaped grooves, and the second arc-shaped grooves are convenient for the clamping plates and the embedding blocks and the central circular ring to be positioned and installed.

Furthermore, a first connecting hole is formed in the upper end of the embedded block, and a second locking bolt extends into the first connecting hole.

Furthermore, at least two connecting holes II are uniformly formed in the upper end of the central ring, and the locking bolt I extends into the connecting holes II, so that the connecting holes II are convenient for the connection of the central ring and the locking bolt I.

Further, the support ring is fixed to support column annular outer end, and the support ring is established in central ring upper end, so set up, the support ring is convenient for support central ring, has guaranteed central ring's stability.

Further, handle is installed to two-way threaded rod left end, two-way threaded rod right-hand member fixed stop, so set up, utilize the handle to rotate two-way threaded rod, the limiting plate is convenient for carry on spacingly to the movable block.

Further, the moving block, the supporting column and the clamping assemblies are respectively provided with two clamping assemblies, the clamping assemblies are symmetrically arranged on the upper end of the magnetic attraction plate, the moving block is symmetrically arranged on the upper end of the bottom plate, the two clamping assemblies are respectively provided with limiting plates at the front end and the rear end of the moving block, the four limiting plates are respectively fixed on the upper end of the bottom plate, and the four limiting plates are respectively arranged at the left end and the right end of the fixed block.

Furthermore, the outer end of the clamping plate is provided with a groove, and the inner wall of the groove is pasted with a rubber pad, so that the rubber pad is convenient for eliminating the force applied to the workpiece due to the high-speed friction between the drill bit and the workpiece in the tapping process, the clamping effect is improved, and the safety is improved.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. different clamping plates are convenient for clamping workpieces in different shapes, the application range is enlarged, the clamping effect is good, the added rubber pads realize the force eliminating function, and the clamping effect is improved;

2. after the workpiece is clamped by the clamping assembly, the magnetic suction plate is operated, and the workpiece is adsorbed by the magnetic suction plate, so that the clamping firmness is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of a magnetic work clamp for a drilling machine for tapping according to the present invention;

FIG. 2 is a front view of a clamping assembly of the magnetic work clamp for a drilling machine for tapping according to the present invention;

FIG. 3 is the top view of FIG. 2 of a magnetic work fixture for a drilling machine dedicated for tapping.

The reference numerals are explained below:

1. a base plate; 2. a fixed block; 3. a magnetic attraction plate; 4. a moving block; 5. a bidirectional threaded rod; 6. a support pillar; 7. a clamping assembly; 71. a central circular ring; 72. a clamping plate; 73. a top plate; 74. locking a first bolt; 75. an insert block; 76. and locking a second bolt.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings.

The first embodiment:

a magnetic suction workpiece clamp for a drilling machine special for tapping comprises a bottom plate 1, a fixed block 2, a movable block 4 and a bidirectional threaded rod 5, wherein the fixed block 2 is integrally formed and fixed at the middle position of the upper end of the bottom plate 1, the bottom plate 1 is connected with the drilling machine through bolts, a magnetic suction plate 3 is installed at the upper end of the fixed block 2 through bolts, an electromagnet is embedded at the upper end of the magnetic suction plate 3, the upper end surface of the electromagnet is flush with the upper end surface of the magnetic suction plate 3, the electromagnet is connected with an external power supply and a storage battery through electric wires, when the magnetic suction device works, the workpiece is sucked by the suction force of the electromagnet, a clamping component 7 is movably installed at the upper end of the magnetic suction plate 3, a support column 6 is arranged at the middle position of the lower end of the clamping component 7, the support, the inside two-way threaded rod 5 that is equipped with of movable block 4, the inside fixation nut of movable block 4, the nut passes through the screw thread to be installed in 5 annular outer ends of two-way threaded rod, and 5 annular outer ends of two-way threaded rod are equipped with fixed block 2, and two-way threaded rod 5 is connected with fixed block 2 through the bearing.

Second embodiment:

the second embodiment differs from the first embodiment in that: the central ring 71 is mounted at the outer end of the support column 6 through a bearing, the top end of the support column 6 is fixed with the top plate 73 through a bolt, the top plate 73 is mounted at the upper end of the central ring 71, the upper end of the top plate 73 is provided with a first locking bolt 74 through a thread, the first locking bolt 74 penetrates through the top plate 73 and extends into the central ring 71, at least two clamping plates 72 are uniformly embedded on the annular end surface of the central ring 71, the inner ends of the at least two clamping plates 72 are uniformly fixed with the embedded blocks 75, the at least two embedded blocks 75 are arranged inside the central ring 71, the upper end of the central ring 71 is uniformly fixed with at least two second locking bolts 76 through a thread, the second locking bolts 76 are arranged outside the top plate 73, the at least two second locking bolts 76 penetrate through the central ring 71 and extend into the at least two embedded blocks 75 respectively, and the central ring.

Specifically, the clamping plate 72 and the insert 75 are inserted into the central ring 71, then the central ring 71 and the insert 75 are locked by the second locking bolt 76, so that the clamping plate 72 and the central ring 71 are assembled, the first locking bolt 74 is moved upwards to unlock the central ring 71, then the central ring 71 is rotated to enable the appropriate clamping plate 72 to move to the upper end of the magnetic attraction plate 3, then the central ring 71 is locked, and then the two clamping plates 72 are used for clamping workpieces.

The third embodiment:

the third embodiment differs from the first embodiment in that: the outer end of the clamping plate 72 is provided with a groove, and a rubber pad is adhered on the inner wall of the groove.

Specifically, the rubber pad is convenient for eliminate because of tapping process drill bit and the high-speed friction of work piece, leads to the power that the work piece received, improves the centre gripping effect, improves the security, can process into different shapes with the recess in practice, for example semi-circular, corner cut shape and rectangular shape etc. be convenient for carry out the centre gripping to the work piece of shape such as cylinder, triangle-shaped, cuboid.

The working principle is as follows: rotating the locking bolt 74, make its rebound and with central ring 71 separation, then rotate central ring 71 around support column 6, thereby drive grip block 72 and rotate, realize rotating suitable grip block 72 to magnetism board 3 upper end, then reuse locking bolt 74 to lock central ring 71, because the kind of grip block 72 is very many, so be convenient for carry out the centre gripping to the work piece of different shapes, then place the work piece in magnetism board 3 upper end intermediate position, then rotate two-way threaded rod 5, realize driving two movable blocks 4 and inwards move, and then drive clamping component 7 and inwards move, utilize two clamping component 7 to carry out the centre gripping to the work piece, then start magnetism board 3, utilize the magnetism of magnetism board 3 to the work piece to inhale the power increase the fixed fastness of work piece.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a work piece holder is inhaled with magnetism to special drilling machine of tapping which characterized in that: including bottom plate (1), fixed block (2), movable block (4) and two-way threaded rod (5), fixed block (2) of bottom plate (1) upper end intermediate position, fixed block (2) upper end installation magnetism suction plate (3), magnetism suction plate (3) upper end movable mounting centre gripping subassembly (7), centre gripping subassembly (7) lower extreme intermediate position is equipped with support column (6), install in the fixed block (2) outside support column (6), support column (6) lower extreme fixed movable block (4), movable block (4) movable mounting is in bottom plate (1) upper end, the movable block (4) are installed in the fixed block (2) outside, inside two-way threaded rod (5) that is equipped with of movable block (4), two-way threaded rod (5) annular outer end is equipped with fixed block (2).

2. The magnetic workpiece clamp for the drilling machine special for tapping of claim 1, which is characterized in that: the clamping assembly (7) comprises a central ring (71), clamping plates (72), a top plate (73), a first locking bolt (74), an embedded block (75) and a second locking bolt (76), the central ring (71) is installed at the annular outer end of the supporting column (6), the top plate (73) is fixed at the upper end of the supporting column (6), the top plate (73) is installed at the upper end of the central ring (71), the first locking bolt (74) is installed at the upper end of the top plate (73), the first locking bolt (74) penetrates through the top plate (73) and extends to the inside of the central ring (71), at least two clamping plates (72) are uniformly embedded on the annular end face of the central ring (71), the embedded blocks (75) are uniformly fixed at the inner ends of at least two clamping plates (72), at least two embedded blocks (75) are respectively arranged inside the central ring (71), and the second locking bolts (76) are uniformly fixed at the upper end of the central ring (71), the second locking bolts (76) are arranged on the outer side of the top plate (73), at least two second locking bolts (76) penetrate through the central ring (71) and extend into the at least two embedded blocks (75) respectively, and the central ring (71) is fixed with the embedded blocks (75) through the second locking bolts (76).

3. The magnetic workpiece clamp for the drilling machine special for tapping of claim 2, which is characterized in that: the outer end face of the ring of the central circular ring (71) is evenly provided with at least two first arc-shaped grooves and two second arc-shaped grooves, the first arc-shaped grooves are formed in the inner ends of the second arc-shaped grooves, embedding blocks (75) are arranged inside the first arc-shaped grooves, and clamping plates (72) are arranged inside the second arc-shaped grooves.

4. The magnetic workpiece clamp for the drilling machine special for tapping of claim 2, which is characterized in that: the upper end of the embedded block (75) is provided with a first connecting hole, and the second locking bolt (76) extends into the first connecting hole.

5. The magnetic workpiece clamp for the drilling machine special for tapping of claim 2, which is characterized in that: the upper end of the central ring (71) is uniformly provided with at least two connecting holes II, and the locking bolts I (74) extend into the connecting holes II.

6. The magnetic workpiece clamp for the drilling machine special for tapping of claim 1, which is characterized in that: the supporting ring is fixed to the annular outer end of the supporting column (6), and the supporting ring is arranged at the upper end of the central circular ring (71).

7. The magnetic workpiece clamp for the drilling machine special for tapping of claim 1, which is characterized in that: the handle is installed at the left end of the bidirectional threaded rod (5), and the baffle is fixed at the right end of the bidirectional threaded rod (5).

8. The magnetic workpiece clamp for the drilling machine special for tapping of claim 1, which is characterized in that: the moving block (4), the supporting columns (6) and the clamping assemblies (7) are respectively provided with two clamping assemblies (7) which are symmetrically arranged at the upper end of the magnetic suction plate (3), the moving block (4) is symmetrically arranged at the upper end of the bottom plate (1), the moving block (4) is provided with limiting plates at the front end and the rear end, the four limiting plates are fixed at the upper end of the bottom plate (1), and the four limiting plates are respectively arranged at the left end and the right end of the fixed block (2).

9. The magnetic workpiece clamp for the drilling machine special for tapping of claim 2, which is characterized in that: the outer end of the clamping plate (72) is provided with a groove, and a rubber pad is adhered to the inner wall of the groove.