CN211331663U - Desk-top tapping machine with clamping mechanism - Google Patents

Abstract

The utility model relates to a desk tapping machine with a clamping mechanism, which comprises a tapping mechanism, wherein the lower part of the tapping mechanism is connected with a base through a stand column, the clamping mechanism is arranged between the tapping mechanism and the base, and the clamping mechanism comprises an operating platform, a fixed clamping plate and a movable clamping piece; operation platform's one end is passed through the retaining member and is fixed with the stand, and solid fixed splint and removal clamping piece set up in operation platform near tapping mechanism's one side, and solid fixed splint are fixed with operation platform, remove the clamping piece including removing splint and first compression spring, remove splint and solid fixed splint symmetry formula setting, and the one end of first compression spring length direction is fixed with removing splint, and the one end that solid fixed splint was kept away from to the other end and operation platform is fixed. The utility model discloses easily get the work piece of treating the equidimension not of tapping and play the clamping action for the work piece is difficult to take place to remove at the tapping in-process, thereby plays the effect that improves the counterpoint precision of screw tap and locating hole, improves work piece tapping precision.

Description

Desk-top tapping machine with clamping mechanism

Technical Field

The utility model belongs to the technical field of desk-top tapping machine's technique and specifically relates to a desk-top tapping machine with clamping mechanism is related to.

Background

At present, internal thread machining relates to various industries, a tapping machine is a machine tool for machining internal threads or a thread buckle on the inner side surface of a positioning hole formed in a workpiece in advance by using a screw tap, and a table tapping machine is a tapping device commonly used in internal thread machining due to simple structure and convenient operation.

Chinese patent No. CN204148671U discloses a table tapping machine, which comprises a main spindle box, a motor seat, a support rod, a base and a workbench, wherein a counter is arranged on the front side surface of the main spindle box, a friction clutch is arranged at the lower end of the rear side surface of the main spindle box, a handle rod is arranged at the right side of the main spindle box, a main spindle is arranged at the left side of the lower end of the main spindle box, and the lower end of the main spindle is connected with; a motor base is arranged on the right side of the spindle box and positioned at the lower end of the friction clutch, and a motor is arranged on the motor base; a support rod is arranged on the right side of the lower end of the main spindle box, and a base is arranged at the bottom end of the support rod; the lower end of the supporting rod is arranged above the base and is provided with a workbench.

Above-mentioned current tapping machine is when tapping to the work piece, and the work piece is inconvenient fixed, needs the operative employee directly to hold the work piece with the hand or hold the work piece with handheld anchor clamps, carries out the tapping to the work piece to guarantee the accurate counterpoint of the locating hole on screw tap and the work piece. However, in the conventional operation method, the operator is inevitably shaken or displaced by the operation of the tapping machine, and the alignment of the tap and the pilot hole is easily deviated, which results in low tapping accuracy of the workpiece.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a desk-top tapping machine with clamping mechanism's, its work piece that easily treats the tapping presss from both sides tightly, improves the counterpoint precision of screw tap and locating hole to play the effect that improves work piece tapping precision.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a desk tapping machine with a clamping mechanism comprises a tapping mechanism, wherein a base is connected below the tapping mechanism through an upright post, the clamping mechanism is arranged between the tapping mechanism and the base, and the clamping mechanism comprises an operating platform, a fixed clamping plate and a movable clamping piece; operating platform's one end pass through the retaining member with the stand is fixed, solid fixed splint with remove the clamping piece set up in operating platform is close to tapping mechanism's one side, gu fixed splint with operating platform is fixed, remove the clamping piece including removing splint and first compression spring, remove splint with gu fixed splint symmetry formula sets up, the one end of first compression spring length direction with it is fixed to remove splint, the other end with operating platform keeps away from gu fixed splint's one end is fixed.

Through adopting above-mentioned technical scheme, when the work piece was arranged in between solid fixed splint and the movable clamp plate, first compression spring was in compression state, and its produced bounce easily plays tight effect to the work piece, is convenient for replace the operation mode of traditional artifical hand work piece for the work piece is difficult to take place to remove at the tapping in-process, thereby plays the effect that improves counterpoint precision, improvement work piece tapping precision of screw tap and locating hole. Simultaneously, through the size of first compression spring compression degree, easily make first clamping piece play the clamping effect to the work piece of equidimension not, improve the commonality of first clamping piece, and then be favorable to promoting the commonality of tapping machine.

The present invention may be further configured in a preferred embodiment as: when the first compression spring is not stressed, the fixed clamping plate is abutted with the movable clamping plate.

Through adopting above-mentioned technical scheme, the work piece that the centre gripping size is littleer between easy fixed plate and the removal splint to easily further strengthen the commonality of tapping machine.

The present invention may be further configured in a preferred embodiment as: the retaining member includes retainer plate and locking bolt, the retainer plate cover is located on the stand and with the stand slides and is connected, locking bolt screw thread is worn to locate on the retainer plate, just locking bolt's one end with the stand butt.

Through adopting above-mentioned technical scheme, when unscrewing the locking bolt, easily operation platform slides on the stand along the length direction of stand, and the first clamping piece of being convenient for plays clamping effect to the work piece of co-altitude to the tapping machine of being convenient for carries out the tapping to the work piece of co-altitude. Meanwhile, the locking bolt is loosened, so that the operation platform can rotate around the upright post easily, and the tapping mechanism and the positioning hole on the workpiece can be aligned conveniently.

The present invention may be further configured in a preferred embodiment as: the operation platform is provided with an inserting hole along the thickness direction of the operation platform, at least two telescopic pieces are symmetrically arranged in the inserting hole, one end of each telescopic piece in the length direction is fixed with the operation platform, and the other end of each telescopic piece in the length direction is surrounded to form a clamping hole.

Through adopting above-mentioned technical scheme, when needs were carried out the tapping to cylindrical work piece, the spliced eye played stable clamping action to cylindrical work piece more easily, simultaneously through the flexible of extensible member, easily changed the size of pressing from both sides tight hole to be convenient for press from both sides tight hole and carry out the centre gripping to the cylindrical work piece of different diameters size.

The present invention may be further configured in a preferred embodiment as: the telescopic piece comprises a second compression spring and a V-shaped elastic sheet, one end of the second compression spring in the length direction is fixed with the operating platform, the other end of the second compression spring is fixed with the V-shaped elastic sheet, a V-shaped opening of the V-shaped elastic sheet is far away from the second compression spring, and the inserting hole is located in the V-shaped elastic sheet.

Through adopting above-mentioned technical scheme, through second compression spring's flexible, easily extensible member plays its flexible effect. Meanwhile, the arrangement of the V-shaped elastic sheet increases the contact area between the telescopic piece and the workpiece on one hand, and the telescopic piece is easy to clamp the workpiece; on the other hand, the V-shaped opening of the V-shaped elastic sheet is more suitable for workpieces with various diameters.

The present invention may be further configured in a preferred embodiment as: and anti-skid grains are arranged on one surface of the V-shaped elastic sheet, which is far away from the second compression spring.

Through adopting above-mentioned technical scheme, the frictional force between V type shell fragment and the work piece is easily increased to the antiskid line, and the extensible member of being convenient for plays more stable centre gripping effect to the work piece.

The present invention may be further configured in a preferred embodiment as: the plane of the upper end surface of the V-shaped elastic sheet is coplanar with the plane of the upper surface of the operating platform.

Through adopting above-mentioned technical scheme for be difficult to take place the condition of mutual interference between spliced eye and the first clamping piece, also make things convenient for spliced eye and first clamping piece to use in combination simultaneously.

The present invention may be further configured in a preferred embodiment as: and a telescopic rod is connected between the base and the operating platform and stretches along the vertical direction.

Through adopting above-mentioned technical scheme, the telescopic link plays the supporting role to operation platform from the one end that operation platform kept away from the stand, can play the effect that improves operation platform stability.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the fixed clamping plate, the movable clamping plate and the first compression spring, a workpiece to be tapped is easy to clamp, so that the workpiece is not easy to move in the tapping process, the aligning accuracy of the screw tap and the positioning hole is improved, the tapping accuracy of the workpiece is further improved, meanwhile, due to the fact that the first compression spring is flexible to different degrees, the universality of the clamping mechanism is easy to improve, and the processing range of the tapping machine in the scheme is widened;

2. when the first compression spring is not stressed, the fixed clamping plate and the movable clamping plate are abutted, so that a workpiece with smaller size is easy to clamp between the fixed plate and the movable clamping plate, and the universality of the tapping machine is further enhanced;

3. through the arrangement of the locking part, the tapping machine in the scheme is easy to adapt to workpieces with different heights, and meanwhile, the tapping mechanism and positioning holes in the workpieces are easy to align accurately;

4. through the setting of spliced eye, the tapping machine in this scheme of easily plays the clamping action to the work piece of column form, can further improve the commonality of tapping machine.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is another overall structural diagram of the present embodiment, which is used for embodying the overall structure of the clamping mechanism.

Fig. 3 is another overall structure diagram of the embodiment, which is used for showing the state of the sliding splint after sliding.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

In the figure, 1, a tapping mechanism; 11. a main shaft; 12. a drive device; 13. a screw tap; 2. a column; 3. a base; 4. a clamping mechanism; 41. an operating platform; 42. a locking member; 421. a stationary ring; 422. locking the bolt; 43. fixing the clamping plate; 44. moving the clamping member; 441. moving the clamping plate; 442. a first compression spring; 5. inserting holes; 51. a telescoping member; 511. a V-shaped elastic sheet; 5111. anti-skid lines; 512. a second compression spring; 52. a clamping hole; 6. a telescopic rod; 61. a sleeve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a bench tapping machine with a clamping mechanism disclosed in this embodiment includes a tapping mechanism 1, the tapping mechanism 1 includes a spindle 11 for mounting a tap 13 and a driving unit 12 for driving the spindle 11 to advance and rotate, and a user may use the tapping mechanism of the bench tapping machine of mitsubishi SWJ-12. The lower part of the tapping mechanism 1 is connected with a base 3 through a stand column 2, and a clamping mechanism 4 is arranged between the tapping mechanism 1 and the base 3 and used for fixing a tapped workpiece and reducing errors in tapping precision caused by manually holding the workpiece.

Referring to fig. 2, the clamping mechanism 4 includes an operating platform 41 for placing a workpiece, and one end of the operating platform 41 is fixed to the column 2 by a locking member 42. One surface of the operating platform 41 close to the tapping mechanism 1 is symmetrically provided with a fixed clamping plate 43 and a movable clamping piece 44, and one end of the fixed clamping plate 43 in the height direction is welded with the operating platform 41 or fixed through a bolt. The movable clamping member 44 includes a movable clamping plate 441 and a first compression spring 442, the movable clamping plate 441 is disposed adjacent to the fixed clamping plate 43, and both ends of the movable clamping plate 441 in the length direction are slidably connected to the operating platform 41 by sliders integrally connected thereto. The first compression spring 442 is located on a surface of the movable clamp 441 away from the fixed clamp 43, and one end of the first compression spring 442 in the length direction is fixed to the movable clamp 441 and the other end is fixed to the operation platform 41. When the first compression spring 442 expands and contracts, the movable clamp plate 441 is easily moved toward or away from the fixed clamp plate 43, so that workpieces of different sizes are easily clamped between the fixed clamp plate 43 and the movable clamp plate 441. When the first compression spring 442 is in an unstressed state, the fixed clamp plate 43 and the movable clamp plate 441 abut against each other, so that a smaller workpiece is clamped between the fixed clamp plate 43 and the movable clamp plate 441.

Referring to fig. 2, the locking member 42 for connecting the operation platform 41 and the upright 2 includes a fixing ring 421 and a locking bolt 422, the fixing ring 421 is movably sleeved with the upright 2, the locking bolt 422 is inserted into the fixing ring 421, and one end of the locking bolt 422 abuts against the upright 2. When the locking bolt 422 is loosened, the operating platform 41 is easy to slide on the upright post 2 along the length direction of the upright post 2, and the distance between the operating platform 41 and the tapping mechanism 1 is changed; when the lock bolt 422 is tightened, it is easy to position the operation platform 41 on the column 2. By moving the operation platform 41, the tapping mechanism 1 in the present embodiment can be easily adapted to workpieces of different heights. Meanwhile, the locking bolt 422 is loosened, so that the operation platform 41 can rotate around the upright post 2 easily, and the tapping mechanism 1 and the positioning hole in the workpiece can be aligned conveniently.

Referring to fig. 3, the operating platform 41 is provided with a sunken insertion hole 5 along the thickness direction thereof, at least two expansion pieces 51 are symmetrically arranged in the insertion hole 5, and the expansion pieces 51 surround to form a clamping hole 52, so that the operating platform 41 in the embodiment can clamp a columnar workpiece more stably.

Referring to fig. 4, the extension member 51 includes a V-shaped elastic piece 511 and a second compression spring 512 having one end in the length direction connected to the V-shaped elastic piece 511, the bottom end of the V-shaped elastic piece 511 is embedded into a sliding slot formed in the operation platform 41 through a sliding block and is connected to the operation platform 41 in a sliding manner, and the other end in the length direction of the second compression spring 512 is connected to the operation platform 41. The V-shaped opening of the V-shaped elastic piece 511 is far away from the second compression spring 512, and the space surrounded by the V-shaped openings of all the V-shaped elastic pieces 511 is the clamping hole 52. When the second compression spring 512 is stretched, the size of the aperture of the clamping hole 52 is easily changed, so that the clamping hole 52 can clamp cylindrical workpieces with different sizes. In order to achieve a more stable clamping effect on the cylindrical workpiece, the number of the telescopic members 51 is set to 3 in the present embodiment. Further, one surface of the V-shaped elastic piece 511, which is far away from the second compression spring 512, is integrally provided with an anti-slip thread 5111 for increasing the friction force between the V-shaped elastic piece 511 and the workpiece clamped by the V-shaped elastic piece. In this embodiment, the plane of the upper end surface of the V-shaped elastic piece 511 is coplanar with the plane of the upper end surface of the operation platform 41, so that the V-shaped elastic piece 511 is not easy to interfere with the movement of the movable clamp plate 441.

Referring to fig. 1, be provided with telescopic link 6 between base 3 and the operation platform 41, 6 length direction's of telescopic link one end is fixed with base 3, the other end is fixed with operation platform 41, when operation platform 41's high change, telescopic link 6 easily stretches out and draws back along with the removal of operation panel, thereby play the support usefulness to operation platform 41, it is fixed to make operation platform 41 form the multiple spot, and then make operation platform 41 when holding the work piece and carrying out the tapping to the work piece, operation platform 41 is difficult to take place to rock, can further improve the tapping precision of work piece. The telescopic rod 6 in the embodiment is formed by sleeving a plurality of sleeve pipes 61 in a threaded manner, so that the length of the telescopic rod 6 after being stretched is not easy to change under the action of external force.

The implementation principle of the embodiment is as follows: when it is desired to tap a workpiece, first, the user can selectively fix the workpiece using the clamping mechanism 4 or the clamping hole 52 according to the size and shape of the workpiece. When the clamping mechanism 4 is used to clamp a workpiece, the first compression spring 442 clamps the workpiece between the fixed clamp plate 43 and the movable clamp plate 441 by its repulsive force, thereby fixing the workpiece on the operation platform 41; when the clamping hole 52 is used for clamping and fixing the cylindrical workpiece, the bottom end of the workpiece is inserted into the insertion hole 5 and clamped in the clamping hole 52 by the telescopic piece 51, and the middle upper end of the workpiece is easily clamped between the fixed clamping plate 43 and the movable clamping plate 441, so that the workpiece is fixed on the operating platform 41. Meanwhile, the user can move up and down or rotate the operating platform 41 left and right through the locking member 42, so that the tap 13 on the tapping mechanism 1 and the positioning hole on the workpiece are aligned accurately and at a proper distance, and at the moment, the user can drive the tapping mechanism to tap the positioning hole on the workpiece.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a desk-top tapping machine with clamping mechanism, includes tapping mechanism (1), the below of tapping mechanism (1) is connected with base (3) through stand (2), its characterized in that: a clamping mechanism (4) is arranged between the tapping mechanism (1) and the base (3), and the clamping mechanism (4) comprises an operating platform (41), a fixed clamping plate (43) and a movable clamping piece (44);

one end of the operating platform (41) is fixed with the upright post (2) through a locking piece (42), the fixed clamping plate (43) and the movable clamping piece (44) are arranged on one surface, close to the tapping mechanism (1), of the operating platform (41), the fixed clamping plate (43) is fixed with the operating platform (41), the movable clamping piece (44) comprises a movable clamping plate (441) and a first compression spring (442), the movable clamping plate (441) and the fixed clamping plate (43) are symmetrically arranged, one end of the first compression spring (442) in the length direction is fixed with the movable clamping plate (441), and the other end of the first compression spring (442) is fixed with one end, far away from the fixed clamping plate (43), of the operating platform (41).

2. The bench threading machine with a clamping mechanism of claim 1 wherein: when the first compression spring (442) is not stressed, the fixed clamp plate (43) and the movable clamp plate (441) are abutted.

3. The bench threading machine with a clamping mechanism of claim 1 wherein: retaining member (42) include retainer plate (421) and locking bolt (422), retainer plate (421) cover is located on stand (2) and with stand (2) slide and connect, locking bolt (422) screw thread is worn to locate on retainer plate (421), just the one end of locking bolt (422) with stand (2) butt.

4. The bench threading machine with a clamping mechanism of claim 1 wherein: the operation platform (41) is provided with an inserting hole (5) along the thickness direction of the operation platform (41), at least two telescopic pieces (51) are symmetrically arranged in the inserting hole (5), one end of each telescopic piece (51) in the length direction is fixed with the operation platform (41), and the other end of each telescopic piece (51) in the length direction is surrounded to form a clamping hole (52).

5. The bench threading machine with a clamping mechanism of claim 4 wherein: the telescopic piece (51) comprises a second compression spring (512) and a V-shaped elastic sheet (511), one end of the second compression spring (512) in the length direction is fixed with the operating platform (41), the other end of the second compression spring is fixed with the V-shaped elastic sheet (511), a V-shaped opening of the V-shaped elastic sheet (511) is far away from the second compression spring (512), and the plug hole (5) is located in the V-shaped elastic sheet (511).

6. The bench threading machine with a clamping mechanism of claim 5 wherein: and anti-skid grains (5111) are arranged on one surface of the V-shaped elastic sheet (511) far away from the second compression spring (512).

7. The bench threading machine with a clamping mechanism of claim 5 wherein: the plane of the upper end face of the V-shaped elastic sheet (511) is coplanar with the plane of the upper surface of the operating platform (41).

8. The bench threading machine with a clamping mechanism of claim 1 wherein: an expansion rod (6) is connected between the base (3) and the operating platform (41), and the expansion rod (6) stretches along the vertical direction.

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