CN210731261U

CN210731261U - Bolt tapping device

Info

Publication number: CN210731261U
Application number: CN201921230272.5U
Authority: CN
Inventors: 张泽峰
Original assignee: Chongqing Yuankuo Machinery Co ltd
Current assignee: Chongqing Yuankuo Machinery Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-06-12
Anticipated expiration: 2029-07-31

Abstract

The utility model belongs to the technical field of bolt processing, and particularly discloses a bolt tapping device, which comprises a workbench, wherein a telescopic unit, a fixing unit and a pressing unit are respectively arranged on the workbench at intervals along the horizontal direction, a power unit is fixedly connected on the telescopic unit, a tapping cutter head is connected on the power unit, and the power unit is used for rotating the tapping cutter head; the fixing unit is provided with a through hole for a bolt to pass through, and the through hole and the tapping cutter head are coaxially arranged; the pressing unit is provided with a pressing plate for pressing the bolt, and the pressing unit can enable the pressing plate to move in a reciprocating mode along the axial direction of the through hole; the telescopic unit can enable the tapping cutter head to move in a reciprocating mode along the axial direction of the through hole. The utility model discloses when can carrying out the tapping operation to the bolt, produce the collision when avoiding bolt and tapping blade disc to close soon to the life of extension tapping blade disc.

Description

Bolt tapping device

Technical Field

The utility model discloses the application belongs to the technical field of bolt processing, specifically discloses a bolt chasing bar.

Background

In daily life, the bolt is a common fastener, the tapping processing of the bolt is a tedious work, the manual tapping speed is low, the precision is poor, the production efficiency of the bolt can be influenced, and meanwhile, the quality of the bolt can be greatly influenced.

In the prior art, the invention patent with the publication number of CN106735619A discloses a bolt tapping mechanism, which comprises a support frame and a tapping cutter head, wherein limiting plates are respectively installed on two sides of the top of the support frame, telescopic columns are respectively installed on two sides of the front surface of the support frame, a sliding cavity is arranged between the limiting plates on two sides of the top of the support frame, a bolt fixing block is slidably installed on the inner side of the sliding cavity, a bolt to be processed is fixed in an inner cavity at the bottom of the bolt fixing block, an upper bearing block is installed at the bottom of the support frame, the tapping cutter head is fixed in the inner cavity at the bottom of the upper bearing block through a lower bearing block, a transmission gear is installed at the bottom of the lower bearing block, the top of the transmission.

Above-mentioned bolt tapping mechanism through the tapping blade disc, chain and the motor power that set up for this mechanism can adopt the method of automatic tapping processing to the bolt, not only makes the efficiency of bolt tapping obtain very big improvement, has still promoted production automation's development simultaneously. According to the technical scheme, when the bolt is screwed into the tapping cutter disc, the bolt is required to move up and down, the tapping cutter disc rotates, so that the bolt and the tapping cutter disc are screwed to achieve tapping operation, but when the bolt moves down and is screwed into the tapping cutter disc, the tapping cutter disc also rotates, so that the bolt is easy to collide with the tapping cutter disc when screwed into the tapping cutter disc, and the tapping cutter disc is easy to damage when the bolt is screwed into the tapping cutter disc; in addition, in the technical scheme, the bolts are fixed on the fixing blocks, the fixing blocks are not provided with positioning components, and when the next bolt to be processed needs to be replaced, the center position is prone to deviation, so that the bolts move downwards and are not accurately positioned when being screwed with the tapping cutter head, the bolts to be processed cannot be normally screwed with the tapping cutter head, and tapping failure or poor quality of threads of the processed bolts is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bolt chasing bar, when aiming at carrying out the tapping operation to the bolt, produce the collision when avoiding bolt and tapping blade disc to close soon, prolong the life of tapping blade disc.

In order to achieve the above object, the basic scheme of the utility model is:

a bolt tapping device comprises a workbench, wherein telescopic units, fixing units and pressing units are arranged on the workbench at intervals along the horizontal direction, power units are fixedly connected to the telescopic units, tapping cutter heads are connected to the power units, and the power units are used for enabling the tapping cutter heads to rotate; the fixing unit is provided with a through hole for a bolt to pass through, and the through hole and the tapping cutter head are coaxially arranged; the pressing unit is provided with a pressing plate for pressing the bolt, and the pressing unit can enable the pressing plate to move in a reciprocating mode along the axial direction of the through hole; the telescopic unit can enable the tapping cutter head to move in a reciprocating mode along the axial direction of the through hole.

The working principle and the beneficial effects of the basic scheme are as follows: the bolt that treats processing among this technical scheme is installed on fixed unit, and the bolt rigidity who treats processing is made through the clamp plate, then makes the tapping blade disc remove to the bolt direction of treating processing through telescopic unit's motion, and power pack can drive the tapping blade disc and rotate simultaneously, just so can realize that the tapping blade disc removes and closes soon with the bolt to the bolt direction of treating processing gradually to carry out the tapping to the bolt. This technical scheme is at the in-process of tapping, and the bolt that treats processing keeps motionless, and makes the tapping blade disc produce the pivoted while to the bolt direction removal of treating processing to treat the bolt tapping operation of processing, when just beginning to revolve between tapping blade disc and the bolt of treating processing like this, can effectually avoid appearing the phenomenon of collision between tapping blade disc and the bolt, thereby can prolong the life of tapping blade disc.

Further, first support column and the second support column of fixedly connected with on the workstation, first support column and second support column are located the both sides of fixed unit respectively, the flexible unit is located first support column upper end, it is located second support column upper end to compress tightly the unit.

The arrangement of the first supporting column and the second supporting column facilitates installation of the telescopic unit and the pressing unit.

Furthermore, the telescopic unit comprises a telescopic cylinder, the compressing unit comprises a compressing cylinder, the telescopic cylinder and the compressing cylinder are coaxially arranged, the power unit is installed on an output shaft of the telescopic cylinder, and the pressing plate is installed on the output shaft of the compressing cylinder.

The concertina movement of telescopic cylinder output shaft among this technical scheme can drive tapping blade disc reciprocating motion to make the tapping blade disc can close with waiting to process the bolt soon under power unit's effect, and the concertina movement of the output shaft that compresses tightly the cylinder can drive clamp plate reciprocating motion, makes the clamp plate compress tightly the bolt of fixing waiting to process or loosen the bolt that the processing was accomplished.

Further, the power unit is a motor, an installation plate is fixedly connected to an output shaft of the telescopic cylinder, and the motor is fixedly connected with the installation plate.

The power unit among this technical scheme is the motor, by the rotation of motor drive tapping blade disc, and the setting of mounting panel is convenient for install or dismantle the motor.

The tapping cutter head is detachably connected with the collet chuck, and the collet chuck is fixedly connected with the output shaft of the motor.

The collet chuck can be conveniently mounted and dismounted with the tapping cutter head, and can play a role in positioning the tapping cutter head, so that the mounting position of the tapping cutter head at each time is accurate, and the quality of processed bolt threads can be improved.

Further, the pressing plate is cylindrical, the pressing plate and the through hole are coaxially arranged, a groove is formed in one side, facing the fixing unit, of the pressing plate, and the head of the bolt is in clearance fit with the groove.

The recess among this technical scheme can treat that the bolt head of processing plays spacing effect, makes the bolt of treating processing more firm when closing soon with the tapping blade disc, is difficult for appearing rocking.

Further, the fixed unit with compress tightly and be equipped with the regulating plate between the unit, the regulating plate is connected with workstation horizontal slip, the regulating plate is equipped with the spacing groove towards one side of fixed unit, the central line and the through-hole of spacing groove are coaxial, the central fixedly connected with stopper of clamp plate, the stopper can be dismantled with the spacing groove and be connected.

The limiting block and the limiting groove that set up on the clamp plate can be dismantled and be connected, so set up, be convenient for change the clamp plate, and because the limiting groove position that sets up on the regulating plate among this technical scheme can not change, can guarantee that the clamp plate position after changing can not appear the deviation to play the effect of location to the clamp plate, the location is accurate when making the bolt of treating processing close with the tapping blade disc soon, and the bolt of treating processing can normally close with the tapping blade disc soon, improves the bolt thread quality of processing out.

Further, be equipped with the cavity in the regulating plate, vertical sliding connection has the telescopic link in the regulating plate, the regulating plate is stretched out to the one end of telescopic link, and the clamp plate can be dismantled with the one end that the regulating plate was stretched out to the telescopic link and be connected.

The setting of telescopic link can play the fixed effect of support with the spacing groove jointly to the clamp plate, avoids the clamp plate to drop.

Furthermore, a vertical strip-shaped groove is formed in one side of the inner portion of the adjusting plate, a sliding hole communicated with the outside is formed in the other side of the adjusting plate, a moving block is connected in the strip-shaped groove in a sliding mode, one end of the telescopic rod is fixedly connected with the moving block, and the other end of the telescopic rod extends out of the adjusting plate and can vertically slide along the sliding hole.

The arrangement of the sliding hole and the strip-shaped groove is convenient for the telescopic rod to vertically slide, when the pressing plate needs to be replaced, the limiting block on the pressing plate is separated from the limiting groove by pulling the pressing plate, because the telescopic rod can be stretched and retracted, the telescopic rod can be stretched when the pressing plate is pulled, and because the fixing unit is arranged beside the pressing plate, the pressing plate is blocked, so that when the pressing plate needs to be completely taken off from the adjusting plate, the whole pressing plate is pulled to enable the telescopic rod to slide along the strip-shaped groove and the sliding hole in the direction far away from the fixing unit, when the pressing plate is installed, the telescopic rod can slide in the direction far away from the fixing unit, and the pressing plate is connected with the telescopic rod firstly, then slide to spacing groove department again, make the stopper on the clamp plate be connected with the spacing groove, can avoid fixed unit to produce the obstacle to operating personnel like this when taking out the clamp plate or installing the clamp plate, make things convenient for operating personnel to install or dismantle the clamp plate more.

Furthermore, a spring is sleeved on the outer side of the telescopic rod, one end of the spring is fixedly connected with the moving block, and the other end of the spring is fixedly connected with the telescopic rod.

The spring is arranged, so that the telescopic rod can be automatically reset after being separated from the pressing plate.

Drawings

Fig. 1 is a longitudinal sectional view of a first embodiment of a bolt tapping apparatus according to the present invention;

fig. 2 is a longitudinal sectional view of a second embodiment of a bolt tapping apparatus according to the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the tapping machine comprises a workbench 1, a first supporting column 2, a second supporting column 3, a telescopic cylinder 4, a pressing cylinder 5, a mounting plate 6, a motor 7, a collet chuck 8, a tapping cutter head 9, a fixing column 10, a rod part 11, a head part 12, a pressing plate 13, a sliding groove 14, a sliding block 15, an adjusting plate 16, a strip-shaped groove 17, a moving block 18, a spring 19, a sliding hole 20, a limiting block 21, a limiting groove 22, a telescopic rod 23 and a fixing groove 24.

Example one

The embodiment is basically as shown in the attached figure 1: the utility model provides a bolt chasing bar, includes workstation 1, is equipped with telescopic unit, fixed unit and compresses tightly the unit from a left side to the right side interval respectively on workstation 1.

The fixing unit is a fixing column 10, the fixing column 10 is cylindrical, the axis of the fixing column 10 is parallel to the workbench 1, and a through hole is coaxially formed in the fixing column 10. One side of the fixed column 10 is welded and fixed with the workbench 1.

The left and right sides of fixed column 10 is equipped with first support column 2 and second support column 3 respectively, and first support column 2 and second support column 3 all are the cuboid structure, and second support column 3 and first support column 2 all with workstation 1 welded fastening.

The telescopic unit is telescopic cylinder 4, and telescopic cylinder 4's cylinder body passes through the bolt fastening in first support column 2 upper ends, compresses tightly the unit for compressing tightly cylinder 5, and the cylinder body that compresses tightly cylinder 5 passes through the bolt fastening in second support column 3 upper end, and telescopic cylinder 4's output shaft is just to setting up in opposite directions with the output shaft that compresses tightly cylinder 5, and telescopic cylinder 4's output shaft and the output shaft that compresses tightly cylinder 5 all with the coaxial setting of through-hole.

The telescopic cylinder 4 is fixedly connected with a power unit, the power unit is connected with a tapping cutter head 9, the power unit is a motor 7 in the embodiment, an output shaft of the telescopic cylinder 4 is fixedly welded with a mounting plate 6, the motor 7 is fixedly connected with the mounting plate 6 through bolts, the output shaft of the motor 7 is coaxially arranged with a through hole, an output shaft of the motor 7 is fixedly provided with a collet chuck 8 for mounting the tapping cutter head 9 through a coupler, the collet chuck 8 in the embodiment is a special collet chuck for a circular threading die with the model number of RD-DA, and fixing bolts (not shown in the figure) are arranged on the side wall of the collet chuck 8.

In the embodiment, the tapping cutter head 9 is a circular die with a model number of M3-M10 on the market, fixing holes (not shown in the figure) are formed in the side wall of the tapping cutter head 9, and in the process of installing the tapping cutter head 9 in the collet chuck 8, the fixing holes in the tapping cutter head 9 are firstly aligned with the fixing bolts on the collet chuck 8 and are inserted into the collet chuck 8, and then the fixing bolts are screwed, so that the tapping cutter head 9 is fixed in the collet chuck 8.

The pressing plate 13 is welded and fixed on the output shaft of the pressing cylinder 5, a circular groove is formed in the left side of the pressing plate 13, the groove is in clearance fit with the head 12 of the bolt to be processed, the head 12 of the bolt to be processed can be inserted into the groove, and therefore the pressing and fixing effects of the pressing plate 13 on the bolt to be processed can be achieved.

During the use, will wait to process the bolt and insert to the through-hole, make the head 12 of waiting to process the bolt be located the right side of fixed column 10, the pole portion 11 of waiting to process the bolt be located the left side of fixed column 10. And starting the pressing cylinder 5, extending the output shaft of the pressing cylinder 5 to the direction of the fixed column 10, pressing and fixing the bolt to be processed by the pressing plate 13, and then stopping the pressing cylinder 5.

Then, the telescopic cylinder 4 is started, the output shaft of the telescopic cylinder 4 extends towards the fixed column 10, simultaneously, the motor 7 is started, the telescopic cylinder 4 drives the tapping cutter head 9 to move towards the direction of the bolt to be processed, and the motor 7 drives the tapping cutter head 9 to rotate, when the tapping cutter head 9 is gradually close to the rod part 11 of the bolt to be processed, the tapping operation of the bolt to be processed is started, because the bolts to be processed in the technical scheme are pressed and fixed by the pressure plate 13, the bolts to be processed can be kept still, the tapping cutter head 9 rotates and moves, so as to be screwed with the bolt to be processed and perform tapping operation, so that when the tapping cutter head 9 taps the bolt to be processed, the collision and impact between the tapping cutter head 9 and the bolt to be processed can be avoided, so that the service life of the tapping cutter head 9 can be prolonged.

Example two

As shown in fig. 2 and 3, a bolt tapping apparatus differs from the first embodiment in that: the workbench 1 is provided with a sliding chute 14, and the sliding chute 14 is positioned between the second supporting column 3 and the fixed column 10. An adjusting plate 16 is welded and fixed on an output shaft of the pressing cylinder 5, the adjusting plate 16 is in a cuboid shape, and a cavity is arranged in the adjusting plate 16. The bottom of the adjusting plate 16 is fixedly welded with a sliding block 15, and the sliding block 15 is inserted into the sliding groove 14 and can horizontally slide left and right along the sliding groove 14.

The left side of the adjusting plate 16 is provided with a limiting groove 22, the notch of the limiting groove 22 faces the fixing column 10, and the limiting groove 22 and the through hole are coaxially arranged. The right side of the pressure plate 13 is fixedly welded with a limiting block 21, and the limiting block 21 is in interference fit with a limiting groove 22. The right side of the pressure plate 13 is also fixedly welded with a fixing groove 24, and the fixing groove 24 is positioned above the limiting block 21.

The right side wall of the adjusting plate 16 is provided with a vertical strip-shaped groove 17, the left side wall of the adjusting plate 16 is provided with a sliding hole 20 communicated with the outside, and the sliding hole 20 is positioned above the limiting groove 22. In order to play more firm connection to clamp plate 13, vertical sliding connection has telescopic link 23 in regulating plate 16, telescopic link 23 is parallel with workstation 1, the right-hand member welded fastening of telescopic link 23 has movable block 18, movable block 18 can insert in bar groove 17 and along the vertical slip of bar groove 17, the left end of telescopic link 23 passes sliding hole 20 and stretches out regulating plate 16's cavity, the left end of telescopic link 23 and the fixed slot 24 interference fit on the clamp plate 13. Spring 19 is sleeved on the outer side of telescopic rod 23, one end of spring 19 is welded and fixed with moving block 18, and the other end of spring 19 is welded and fixed with the left side of telescopic rod 23.

When the device is used, the pressing cylinder 5 is started, the output shaft of the pressing cylinder 5 extends leftwards, the adjusting plate 16 slides leftwards along the sliding groove 14, and the pressing plate 13 presses and fixes the bolt to be processed. When the tapping cutter head 9 is needed to complete the tapping operation on the bolt to be processed, the output shaft of the pressing cylinder 5 is retracted rightwards, so that the adjusting plate 16 slides rightwards, and the pressing plate 13 is separated from the processed bolt.

When the pressing plate 13 needs to be replaced, the pressing plate 13 is pulled, the limiting block 21 on the pressing plate 13 is separated from the limiting groove 22, the telescopic rod 23 can stretch, the telescopic rod 23 is stretched when the pressing plate 13 is pulled, and the telescopic rod cannot be separated from the pressing plate 13, therefore, when the pressing plate 13 needs to be completely taken down from the adjusting plate 16, the whole pressing plate 13 is pulled, the telescopic rod 23 slides along the strip-shaped groove 17 and the sliding hole 20 in the direction far away from the fixing column 10, then the telescopic rod 23 is separated from the fixing groove 24 on the pressing plate 13, and the pressing plate 13 is detached.

When the pressing plate 13 needs to be installed again, the telescopic rod 23 slides upwards to enable the telescopic rod 23 to be located above the fixing column 10, then the fixing groove 24 in the pressing plate 13 is connected with the telescopic rod 23 in a matched mode, the pressing plate 13 slides to the position of the limiting groove 22, the limiting block 21 in the pressing plate 13 is aligned to the limiting groove 22, the pressing plate 13 is pressed to enable the limiting block 21 to be inserted into the limiting groove 22, and installation is completed.

Generally, in order to ensure the processing efficiency, the distance between the pressing cylinder 5 and the fixing column 10 is short, so that the pressing plate 13 can quickly press the bolt to be processed, the space between the pressing cylinder and the fixing column 10 is small, the fixing column 10 is on the left side of the pressing plate 13, the fixing column 10 can be used for detaching or installing the pressing plate 13 for an operator, and the pressing plate 13 slides in the direction away from the fixing column 10 in the technical scheme, and then the pressing plate is detached and installed more easily.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. A bolt tapping device comprises a workbench and is characterized in that a telescopic unit, a fixing unit and a pressing unit are respectively arranged on the workbench at intervals along the horizontal direction, a power unit is fixedly connected to the telescopic unit, a tapping cutter disc is connected to the power unit, and the power unit is used for enabling the tapping cutter disc to rotate; the fixing unit is provided with a through hole for a bolt to pass through, and the through hole and the tapping cutter head are coaxially arranged; the pressing unit is provided with a pressing plate for pressing the bolt, and the pressing unit can enable the pressing plate to move in a reciprocating mode along the axial direction of the through hole; the telescopic unit can enable the tapping cutter head to move in a reciprocating mode along the axial direction of the through hole.

2. The bolt tapping device according to claim 1, wherein a first supporting column and a second supporting column are fixedly connected to the workbench, the first supporting column and the second supporting column are respectively located on two sides of the fixing unit, the telescopic unit is located at the upper end of the first supporting column, and the compressing unit is located at the upper end of the second supporting column.

3. The bolt tapping device according to claim 2, wherein the telescopic unit comprises a telescopic cylinder, the pressing unit comprises a pressing cylinder, the telescopic cylinder and the pressing cylinder are coaxially arranged, the power unit is mounted on an output shaft of the telescopic cylinder, and the pressing plate is mounted on the output shaft of the pressing cylinder.

4. The bolt tapping device of claim 3, wherein the power unit is a motor, a mounting plate is fixedly connected to the output shaft of the telescopic cylinder, and the motor is fixedly connected to the mounting plate.

5. The bolt tapping apparatus of claim 4 further comprising a collet, said tapping cutterhead being removably connected to said collet, said collet being fixedly connected to the motor output shaft.

6. The bolt tapping device according to claim 1, wherein the pressing plate is cylindrical, the pressing plate is coaxially arranged with the through hole, a groove is formed in one side of the pressing plate facing the fixing unit, and the head of the bolt is in clearance fit with the groove.

7. The bolt tapping device according to claim 1 or 6, wherein an adjusting plate is arranged between the fixing unit and the pressing unit, the adjusting plate is in horizontal sliding connection with the workbench, a limiting groove is formed in one side, facing the fixing unit, of the adjusting plate, the central line of the limiting groove is coaxial with the through hole, a limiting block is fixedly connected to the center of the pressing plate, and the limiting block is detachably connected with the limiting groove.

8. The bolt tapping device of claim 7, wherein a cavity is formed in the adjusting plate, a telescopic rod is vertically slidably connected in the adjusting plate, one end of the telescopic rod extends out of the adjusting plate, and the pressing plate is detachably connected with one end of the telescopic rod extending out of the adjusting plate.

9. The bolt tapping device according to claim 8, wherein a vertical strip-shaped groove is formed in one side of the inner portion of the adjusting plate, a sliding hole communicated with the outside is formed in the other side of the adjusting plate, a moving block is connected in the strip-shaped groove in a sliding mode, one end of the telescopic rod is fixedly connected with the moving block, and the other end of the telescopic rod extends out of the adjusting plate and can slide vertically along the sliding hole.

10. The bolt tapping device according to claim 9, wherein a spring is sleeved outside the telescopic rod, one end of the spring is fixedly connected with the moving block, and the other end of the spring is fixedly connected with the telescopic rod.