CN217668993U

CN217668993U - Work piece positioning fixture for pneumatic screw machine

Info

Publication number: CN217668993U
Application number: CN202221800738.2U
Authority: CN
Inventors: 张叶华; 刘涛; 周飞
Original assignee: Shenzhen Languang Intelligent Manufacturing Technology Co ltd
Current assignee: Shenzhen Languang Intelligent Manufacturing Technology Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-10-28
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a work piece positioning fixture for pneumatic screw machine, including the processing platform main part, the central position of processing platform main part is opened there is circular fixed mouthful, the inner wall of circular fixed mouthful is equipped with the rotation post, the fixed four directions revolving stage that is equipped with in top of rotation post, the fixed supporting leg foot that is equipped with the equidistance and distributes of bottom outer wall of processing platform main part, the fixed plate that is equipped with of lateral wall of supporting leg foot, the fixed vertical ascending step motor that is equipped with in top one side of fixed plate, the utility model discloses an output shaft of push rod motor drives the anchor clamps locating block and removes, makes second combined anchor clamps remove toward one side of first combined anchor clamps, produces the extrusion force when second combined anchor clamps contact the work piece in the first combined anchor clamps, and cooperation pressure sensor knows the extrusion force of work piece, stops to export the output push rod motor's output shaft, is convenient for fix the work piece in the inside of first combined anchor clamps fast.

Description

Work piece positioning fixture for pneumatic screw machine

Technical Field

The utility model relates to a screw machine field, concretely relates to pneumatic screw machine work piece positioning fixture.

Background

The screw machine is a small machine for automatically locking screws, the action structure of the screw machine can be generally divided into a feeding part and an electric screwdriver part, the feeding part is responsible for screening and providing the screws, the electric screwdriver part is responsible for taking and locking the screws, and the production of the screw machine not only improves the operation efficiency, but also reduces the manual operation intensity.

However, the existing automatic screw machine needs to fix the workpiece on the processing table, but the existing clamp is not only slow in clamping speed, but also needs to take out the workpiece from the clamp in a time-consuming and labor-consuming manner after the workpiece is processed on the clamp, so that the workpiece positioning clamp is very inconvenient, and the existing clamp is difficult to adjust the processing position of the workpiece.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a work piece positioning fixture for pneumatic screw machine to solve the above-mentioned weak point in the technique.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a work piece positioning fixture for pneumatic screw machine, includes the processing platform main part, the central point of processing platform main part puts and opens there is circular fixed mouthful, the inner wall of circular fixed mouthful is equipped with rotates the post, the fixed tetragonal turn table that is equipped with in top of rotating the post, the fixed support leg foot that is equipped with the equidistance and distributes of bottom outer wall of processing platform main part, the fixed plate that is equipped with of lateral wall that supports leg foot, the fixed vertical ascending step motor that is equipped with in top one side of fixed plate, step motor's output shaft passes through shaft joint and rotates the bottom central point fixed connection of post, four side outer walls of tetragonal turn table all are fixed and are equipped with two external screw thread guide bars, and two the outer wall of external screw thread guide bar has cup jointed compression spring, and two the outer wall of external screw thread guide bar is equipped with the anchor clamps location platform, top one side of anchor clamps location platform is equipped with first combination anchor clamps, top one side of processing platform main part is fixed and is equipped with two the lateral wall of locating plate is fixed and is equipped with the slide bar, the outer wall of slide bar is equipped with the slider, the fixed push rod motor, the output shaft one end of push rod is equipped with pressure sensor and the anchor clamps is equipped with the second combination anchor clamps.

Preferably, the outer wall of the circular fixing port is fixedly provided with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the circular fixing port.

Preferably, the outer wall of one side of anchor clamps location platform is opened there are two first sliding holes, the inner wall in first sliding hole and the outer wall sliding connection of external screw thread guide bar, the outer wall of external screw thread guide bar is furnished with the stop nut of looks adaptation, and rotatory stop nut is convenient for adjust the position of anchor clamps location platform on the external screw thread guide bar.

Preferably, open the top one side of anchor clamps locating station has two first screw holes, open the top outer wall of first combination anchor clamps has two settlement holes, the inner wall of settling hole and first screw hole is furnished with the first bolt that subsides of looks adaptation, is convenient for change the first combination anchor clamps that anchor clamps locating station top was equipped with.

Preferably, the side wall of the sliding block is provided with two second sliding holes, the inner wall of each second sliding hole is connected with the outer wall of the corresponding sliding rod in a sliding mode, one side of each sliding rod is provided with a second threaded hole perpendicular to the corresponding sliding rod, the second threaded holes are communicated with the inner wall of the corresponding second sliding hole, the inner wall of each second threaded hole is connected with a fastening bolt in a threaded mode, the sliding block can move on the outer wall of the corresponding sliding rod, and the sliding block can be fixed on the outer wall of the corresponding sliding rod conveniently through the second threaded holes.

Preferably, the side wall of the clamp positioning block is provided with two third threaded holes, the side wall of the second combined clamp is provided with two settlement holes, the inner walls of the settlement holes and the third threaded holes are matched with second settlement bolts in a matched mode, and the second combined clamp arranged on the outer wall of the clamp positioning block can be conveniently replaced.

Preferably, a first rubber pad is arranged on the inner wall of the first combined clamp, a second rubber pad is fixedly arranged on the outer wall of one end of the second combined clamp, and the outer wall of the workpiece is prevented from being damaged through the first rubber pad and the second rubber pad.

Preferably, the first combined clamp and the second combined clamp are matched, and the workpiece can be clamped conveniently through the first combined clamp and the second combined clamp.

In the technical scheme, the utility model provides a technological effect and advantage:

the output shaft through step motor drives the rotation post and the four directions revolving stage is rotatory, the first modular fixture that will place the work piece removes the bottom of screw machine work position, output shaft through the push rod motor drives the anchor clamps locating piece and removes, make second modular fixture toward one side of first modular fixture remove, produce the extrusion force when second modular fixture contacts the interior work piece of first modular fixture, cooperation pressure sensor knows the extrusion force of work piece, stop exporting the output shaft of push rod motor, be convenient for fix the inside at first modular fixture with the work piece fast, the work piece retracts through the output shaft of push rod motor after finishing in the first modular fixture, the work piece loses the extrusion force of second modular fixture, can take out the work piece in the first modular fixture fast, high convenience is used, the work efficiency of screw machine has greatly been improved.

Through rotatory stop nut, stop nut extrusion anchor clamps location platform removes at the outer wall of external screw thread guide bar, is convenient for adjust the position of first combination anchor clamps in the screw machine bottom, and the slider slides on the outer wall of slide bar, adjusts the position of slider on the slide bar through rotatory fastening bolt to adjust the position that second combination anchor clamps correspond first combination anchor clamps, be convenient for adjust the processing position of work piece.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

fig. 2 is a schematic view of a three-dimensional structure of the square turntable of the present invention;

FIG. 3 is a schematic view of the structure of the push rod motor of the present invention;

FIG. 4 is an exploded view of the fixture positioning table of the present invention;

FIG. 5 is a schematic view of the slider structure of the present invention;

fig. 6 is a schematic view of the sectional structure of the positioning block of the clamp of the present invention.

Description of reference numerals:

the device comprises a processing table main body 1, a circular fixing port 2, a rotating column 3, a bearing 4, a square turntable 5, a supporting leg 6, a fixing plate 7, a stepping motor 8, an external thread guide rod 9, a compression spring 10, a clamp positioning table 11, a limit nut 12, a first sliding hole 13, a first combined clamp 14, a first threaded hole 15, a settlement hole 16, a first settlement bolt 17, a first rubber pad 18, a positioning plate 19, a sliding rod 20, a sliding block 21, a second sliding hole 22, a second threaded hole 23, a fastening bolt 24, a push rod motor 25, a pressure sensor 26, a clamp positioning block 27, a second combined clamp 28, a third threaded hole 29, a settlement hole 30, a second settlement bolt 31 and a second rubber pad 32.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.

Example one

Referring to the attached drawings 1-6 of the specification, a workpiece positioning fixture for a pneumatic screw machine comprises a processing table main body 1, a circular fixing port 2 is formed in the central position of the processing table main body 1, a rotating column 3 is arranged on the inner wall of the circular fixing port 2, a square turntable 5 is fixedly arranged at the top of the rotating column 3, supporting legs 6 distributed at equal intervals are fixedly arranged on the outer wall of the bottom of the processing table main body 1, a fixing plate 7 is fixedly arranged on the side wall of each supporting leg 6, a vertically upward stepping motor 8 is fixedly arranged on one side of the top of the fixing plate 7, an output shaft of the stepping motor 8 is fixedly connected with the central position of the bottom of the rotating column 3 through a coupler, two outer thread guide rods 9 are fixedly arranged on the outer walls of the four sides of the square turntable 5, a compression spring 10 is sleeved on the outer walls of the two outer thread guide rods 9, a fixture positioning table 11 is arranged on the outer walls of the two outer thread guide rods 9, a first combined fixture 14 is arranged on one side of the top of the fixture positioning table 11, two positioning plates 19 are fixedly arranged on one side of the top of the processing table main body 1, two positioning plates 19 are fixedly arranged with two parallel slide rods 20, a slide rod 21, a positioning block 25 is arranged on one end of the top of the push rod 25, and a second combined fixture 27 is arranged on one end of the fixture 27, and a pressure sensor 26 is arranged on one end of the push rod 27.

Example two

Based on the basis of embodiment one, the fixed bearing 4 that is equipped with of outer wall of circular fixed mouthful 2, the outer loop of bearing 4 and the inner wall fixed connection of circular fixed mouthful 2, open one side outer wall of anchor clamps location platform 11 has two first sliding holes 13, the inner wall of first sliding hole 13 and the outer wall sliding connection of external screw thread guide bar 9, the outer wall of external screw thread guide bar 9 is furnished with the stop nut 12 of looks adaptation, rotatory stop nut 12 is convenient for adjust the position of anchor clamps location platform 11 on external screw thread guide bar 9.

EXAMPLE III

Based on the first embodiment, two first threaded holes 15 are formed in one side of the top of the fixture positioning table 11, two settling holes 16 are formed in the outer wall of the top of the first combined fixture 14, the settling holes 16 and the inner walls of the first threaded holes 15 are provided with the first settling bolts 17 in matched fit, the first combined fixture 14 arranged at the top of the fixture positioning table 11 can be conveniently replaced, two third threaded holes 29 are formed in the side wall of the fixture positioning block 27, two settling holes 30 are formed in the side wall of the second combined fixture 28, the settling holes 30 and the inner walls of the third threaded holes 29 are provided with the second settling bolts 31 in matched fit, and the second combined fixture 28 arranged on the outer wall of the fixture positioning block 27 can be conveniently replaced.

Example four

Based on the first embodiment, two second sliding holes 22 are formed in the side wall of the sliding block 21, the inner wall of each second sliding hole 22 is connected with the outer wall of the sliding rod 20 in a sliding mode, one side of the sliding rod 20 is provided with a second threaded hole 23 perpendicular to the sliding rod 20, the second threaded hole 23 is communicated with the inner wall of the second sliding hole 22, a fastening bolt 24 is screwed to the inner wall of the second threaded hole 23, the sliding block 21 can move on the outer wall of the sliding rod 20, the sliding block 21 can be fixed on the outer wall of the sliding rod 20 conveniently through the second threaded hole 23, the inner wall of the first combined clamp 14 is provided with the first rubber pad 18, the outer wall of one end of the second combined clamp 28 is fixedly provided with the second rubber pad 32, the outer wall of a workpiece is prevented from being damaged through the first rubber pad 18 and the second rubber pad 32, the first combined clamp 14 is matched with the second combined clamp 28, and the first combined clamp 14 and the second combined clamp 28 are convenient for clamping the workpiece.

The utility model discloses the theory of operation:

referring to the attached drawings 1-6 of the specification, when in use, a workpiece is firstly placed on the inner wall of the settlement hole 16, the output shaft of the stepping motor 8 drives the rotating column 3 and the square rotary table 5 to rotate, the first combined clamp 14 with the workpiece placed thereon is moved to the bottom of the working position of the screw machine, the output shaft of the push rod motor 25 drives the clamp positioning block 27 to move, so that the second combined clamp 28 moves towards one side of the first combined clamp 14, the second combined clamp 28 generates extrusion force when contacting the workpiece in the first combined clamp 14, the extrusion force of the workpiece is known by matching with the pressure sensor 26, the output shaft of the push rod motor 25 is stopped outputting, the workpiece is conveniently and quickly fixed in the first combined clamp 14, the workpiece in the first combined clamp 14 retracts through the output shaft of the push rod motor 25 after the workpiece is processed, and loses the extrusion force of the second combined clamp 28, therefore, the workpiece can be taken out quickly, the use is very convenient, the working efficiency of the screw machine is greatly improved, the workpiece is rotated by 90 degrees through the output shaft of the stepping motor 8 after being processed, the next first combined clamp 14 with the workpiece placed is moved to the bottom of the screw machine for processing, the workpiece is continuously processed, the first combined clamp 14 is fixed at the top of the clamp positioning table 11 through the first settlement bolt 17, the second combined clamp 28 is fixed at the side wall of the clamp positioning block 27 through the second settlement bolt 31, the first combined clamp 14 and the second combined clamp 28 with different specifications are convenient to replace, the clamp positioning table 11 is extruded by the limit nut 12 to move on the outer wall of the external thread guide rod 9 through rotating the limit nut 12, the position of the first combined clamp 14 at the bottom of the screw machine is convenient to adjust, the slide block 21 slides on the outer wall of the slide rod 20, the position of the sliding block 21 on the sliding rod 20 is adjusted by rotating the fastening bolt 24, so that the position of the second combined clamp 28 corresponding to the first combined clamp 14 is adjusted, and the processing position of the workpiece is adjusted conveniently.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a work piece positioning fixture for pneumatic screw machine, includes processing platform main part (1), its characterized in that: the processing table comprises a processing table main body (1), a round fixing port (2) is formed in the central position of the processing table main body (1), a rotating column (3) is arranged on the inner wall of the round fixing port (2), a square rotary table (5) is fixedly arranged at the top of the rotating column (3), supporting legs (6) distributed equidistantly are fixedly arranged on the outer wall of the bottom of the processing table main body (1), a fixing plate (7) is fixedly arranged on the side wall of each supporting leg (6), a vertically upward stepping motor (8) is fixedly arranged on one side of the top of the fixing plate (7), an output shaft of the stepping motor (8) is fixedly connected with the central position of the bottom of the rotating column (3) through a shaft connector, two external thread guide rods (9) are fixedly arranged on the outer walls of four sides of the square rotary table (5), a compression spring (10) is sleeved on the outer walls of the two external thread guide rods (9), a clamp positioning table (11) is arranged on one side of the top of the clamp positioning table (11), a first combined clamp (14) is arranged on one side of the top of the slide block, two positioning plates (19) are fixedly arranged on one side of the top of the processing table main body (1), two positioning plates (21) are provided with two positioning plates (20) parallel sliding rods (21), a sliding rod (21) and a positioning plate (21) parallel with a sliding rod (20) of the sliding rod (21), one end of an output shaft of the push rod motor (25) is fixedly provided with a pressure sensor (26), one end of the pressure sensor (26) is fixedly provided with a clamp positioning block (27) through a push rod, and one end of the clamp positioning block (27) is provided with a second combined clamp (28).

2. The workpiece positioning jig for the pneumatic screw machine according to claim 1, characterized in that: the outer wall of the round fixing port (2) is fixedly provided with a bearing (4), and the outer ring of the bearing (4) is fixedly connected with the inner wall of the round fixing port (2).

3. The workpiece positioning jig for the pneumatic screw machine according to claim 1, characterized in that: the fixture positioning table is characterized in that two first sliding holes (13) are formed in the outer wall of one side of the fixture positioning table (11), the inner wall of each first sliding hole (13) is connected with the outer wall of the corresponding external thread guide rod (9) in a sliding mode, and the outer wall of each external thread guide rod (9) is provided with a limit nut (12) matched with the corresponding limit nut.

4. The workpiece positioning jig for the pneumatic screw machine according to claim 1, characterized in that: two first threaded holes (15) are formed in one side of the top of the clamp positioning table (11), two settling holes (16) are formed in the outer wall of the top of the first combined clamp (14), and first settling bolts (17) matched with the settling holes (16) and the inner walls of the first threaded holes (15) are matched.

5. The workpiece positioning jig for the pneumatic screw machine according to claim 1, characterized in that: the lateral wall of slider (21) is opened there are two second sliding holes (22), the inner wall of second sliding hole (22) and the outer wall sliding connection of slide bar (20), open one side of slide bar (20) has second screw hole (23) of perpendicular to slide bar (20), second screw hole (23) and the inner wall intercommunication of second sliding hole (22), the inner wall spiro union of second screw hole (23) has fastening bolt (24).

6. The workpiece positioning jig for the pneumatic screw machine according to claim 1, characterized in that: the side wall of the clamp positioning block (27) is provided with two third threaded holes (29), the side wall of the second combined clamp (28) is provided with two settling holes (30), and the inner walls of the settling holes (30) and the third threaded holes (29) are matched with second settling bolts (31) in a matched mode.

7. The workpiece positioning jig for the pneumatic screw machine according to claim 1, characterized in that: the inner wall of the first combined clamp (14) is provided with a first rubber pad (18), and the outer wall of one end of the second combined clamp (28) is fixedly provided with a second rubber pad (32).

8. The workpiece positioning jig for the pneumatic screw machine according to claim 1, characterized in that: the first combined clamp (14) is matched with the second combined clamp (28).