CN210677941U

CN210677941U - Turning device precision finishing structure

Info

Publication number: CN210677941U
Application number: CN201921255989.5U
Authority: CN
Inventors: 李春林
Original assignee: Kunshan Shenghongqun Machinery Co Ltd
Current assignee: Kunshan Shenghongqun Machinery Co Ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-06-05
Anticipated expiration: 2029-08-05

Abstract

The utility model belongs to the technical field of machining, especially, be a turning device precision finishing structure, including drive mechanism, the transmission is gone up the transmission and is connected with the clamping platform, the one end fixedly connected with fixed station of drive mechanism, the last brake motor of fixedly connected with of clamping platform, brake motor and external power source electric connection, the top of drive mechanism still is equipped with two symmetrical arrangement's fixture; when the back of processing part, accessible brake motor drives the part on two fixture and rotates, need not dismantle the upset with the part and press from both sides tightly again, reduce the time that the part was dismantled and was installed again, reduce processing equipment down time simultaneously, improve work efficiency, when the parts machining upset, the upper and lower two sides of part all have the clamp plate to support spacingly, guarantee the precision that the part was processed man-hour, can dismantle the apron, press from both sides the circular recess on the tight dish with two clamp of placing spherical part, can compress tightly spherical part.

Description

Turning device precision finishing structure

Technical Field

The utility model belongs to the technical field of machining, concretely relates to turning device precision finishing structure.

Background

In modern machine manufacturing, machining is the processing mode with the widest application range, but parts with high precision requirements or fine surface roughness requirements need to be machined on a machine tool, when the parts are machined, the parts need to be limited and fixed by a clamp, when equipment is used for machining the parts, the fixed parts are not easy to shake, and the machining precision is high.

Chinese patent publication No. CN207930356U discloses a turning clamp for machining, which can only apply force to the left and right ends of a part to compress the part when the part is clamped, and the part is subjected to longitudinal force during machining, so that the part is easy to slide under the action of the force, resulting in low machining accuracy.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a turning device precision finishing structure has the characteristics that can overturn.

In order to achieve the above object, the utility model provides a following technical scheme: a precision machining structure of a turnover device comprises a transmission mechanism, wherein a clamping table is connected to the transmission mechanism in a transmission manner, a fixed table is fixedly connected to one end of the transmission mechanism, a brake motor is fixedly connected to the clamping table and electrically connected with an external power supply, two clamping mechanisms which are symmetrically arranged are further arranged above the transmission mechanism, the left clamping mechanism is connected with the output end of the brake motor, the other clamping mechanism is rotatably connected with the fixed table, the clamping mechanism comprises a support and a clamping disc fixed to one end of the support, a stepping motor is fixedly connected to the middle position of the clamping disc and electrically connected with the external power supply, two symmetrically arranged screw rods are arranged on one end face, close to the support, of the clamping disc, and the axes of the two screw rods are located on the same straight line, two the both ends of screw rod fixedly connected with bearing respectively, the bearing with press from both sides tight dish fixed connection, two the equal fixedly connected with gear of one end that the screw rod is close to each other, step motor's output fixedly connected with umbrella type gear, umbrella type gear and two on the screw rod the gear meshes simultaneously, two all the transmission is connected with the driving plate on the screw rod, the spout has been seted up on pressing from both sides tight dish, the driving plate slides in the spout, press from both sides tight dish and keep away from the one end of support is equipped with the clamp plate of two symmetrical arrangement, two the clamp plate is respectively through bolt and two the connection can be dismantled to the driving plate.

Preferably, the clamping mechanism on the left side is fixedly connected with the output end of the brake motor through the support, and the clamping mechanism on the other side is rotatably connected with the fixed platform through the support.

Preferably, a circular groove is formed in the middle of the clamping disc, a step groove is formed in one end, close to the clamping plate, of the circular groove, and two symmetrically-arranged cover plates are detachably connected to the step groove through bolts.

Preferably, the transmission plates in transmission connection with the two screws are symmetrically arranged.

Preferably, four threaded holes which are distributed at equal intervals are formed in the periphery of the side wall of the clamping disc, and stop screws are screwed in the four threaded holes.

Preferably, the length of the stop screw is smaller than that of the threaded hole.

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

1. when the back of processing part, accessible brake motor drives the part on two fixture and rotates, rotate the back that finishes, brake motor can stop by oneself tightly, need not dismantle the upset with the part and press from both sides tightly again, reduce the time that the part was dismantled and was installed again, reduce processing equipment down time simultaneously, improve work efficiency, when the parts machining upset, the upper and lower two sides of part all has the clamp plate to support spacingly, when the part received vertical effort, the part can not take place to slide, guarantee the precision that the part was processed man-hour.

2. When processing ball type part, can dismantle the apron, in the circular recess on two tight dishes of clamp with spherical part place, can compress tightly spherical part, simultaneously, still can dismantle the clamp plate, prevent to produce the interference when equipment processing to move four stop screw rods of adjustment according to spherical part's size, make it can press from both sides tightly spherical part of multiple size.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a clamping mechanism of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic view of the structure of the clamping plate of the present invention;

FIG. 5 is a schematic view of a step groove structure in the present invention;

fig. 6 is a schematic view of the connection of the stop screw of the present invention.

In the figure: 1. a transmission mechanism; 11. a clamping table; 12. a fixed table; 13. a brake motor; 2. a clamping mechanism; 21. a support; 22. clamping the disc; 221. a chute; 222. a circular groove; 223. a step groove; 224. a threaded hole; 23. a stepping motor; 231. a bevel gear; 24. a screw; 241. a gear; 25. a bearing; 26. a drive plate; 27. a clamping plate; 28. a cover plate; 3. and (5) stopping the screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides the following technical solutions: a precision machining structure of a turnover device comprises a transmission mechanism 1, a clamping table 11 is in transmission connection with the transmission mechanism 1, a fixed table 12 is fixedly connected with one end of the transmission mechanism 1, a brake motor 13 is fixedly connected with the clamping table 11, the brake motor 13 is electrically connected with an external power supply, two clamping mechanisms 2 which are symmetrically arranged are further arranged above the transmission mechanism 1, the clamping mechanism 2 on the left side is connected with the output end of the brake motor 13, the clamping mechanism 2 on the other side is rotatably connected with the fixed table 12, the clamping mechanism 2 comprises a support 21 and a clamping disc 22 fixed at one end of the support 21, a stepping motor 23 is fixedly connected with the middle position of the clamping disc 22, the stepping motor 23 is electrically connected with the external power supply, two screw rods 24 which are symmetrically arranged are arranged on one end face of the clamping disc 22 close to the support 21, the axes of the two screw rods 24 are located on the same straight line, bearings 25 are fixedly, bearing 25 and clamping disk 22 fixed connection, the equal fixedly connected with gear 241 of one end that two screws 24 are close to each other, step motor 23's output fixedly connected with umbrella gear 231, umbrella gear 231 meshes with gear 241 on two screws 24 simultaneously, equal transmission is connected with driving plate 26 on two screws 24, spout 221 has been seted up on the clamping disk 22, driving plate 26 slides in spout 221, the one end that support 21 was kept away from to clamping disk 22 is equipped with the clamping plate 27 of two symmetrical arrangement, two clamping plates 27 can be dismantled through bolt and two driving plates 26 respectively and be connected.

In the embodiment, when the device is used, according to the size of a machined part, the clamping table 11 is moved through the transmission mechanism 1, the clamping mechanisms 2 at the output ends of the brake motors 13 are moved to the state that the interval between the clamping mechanisms 2 on the fixed table 12 is slightly larger than the size of the part, then the stepping motors 23 in the two clamping mechanisms 2 are started, the bevel gears 231 at the output ends of the stepping motors 23 drive the two screw rods 24 to synchronously rotate through the gears 241, the rotating directions are opposite, the transmission plates 26 which are in transmission connection with the two screw rods 24 move in opposite directions or in opposite directions, the two clamping plates 27 are moved to the state that the interval is slightly larger than the size of the part, the part is placed between the clamping plates 27 in the two clamping mechanisms 2, then the stepping motors 23 are started again, the clamping plates 27 are in contact with the part to limit the upper and lower surfaces of the part, when the part is machined and turned over, the upper and lower surfaces of the, guarantee the precision of part man-hour, actuating mechanism 1 is restarted again, make the tight dish 22 of clamp in two fixture 2 compress tightly the part, can normally process the part, when the back of processing part, accessible brake motor 13 drives the part on two fixture 2 and rotates, need not dismantle the upset with the part and press from both sides tightly again, reduce the time that the part was dismantled and was reinstalled, reduce processing equipment down time simultaneously, and improve work efficiency, brake motor 13's model is BA80B4, and step motor 23's model is 57BYGH 5330.

Specifically, left fixture 2 passes through support 21 and brake motor 13's output fixed connection, and brake motor 13 drives the part on two fixture 2 and rotates, and the upset back that finishes, brake motor 13 can stop tightly automatically, and the part on two fixture 2 can't rotate, and fixture 2 of opposite side passes through support 21 and is connected with fixed station 12 rotation, and support 21 and fixed station 12 rotate through the pivot and are connected.

Specifically, circular recess 222 has been seted up to the intermediate position department of pressing from both sides tight dish 22, step groove 223 has been seted up to the one end that circular recess 222 is close to clamp plate 27, can dismantle the apron 28 that links there are two symmetrical arrangement through the bolt on the step groove 223, the thickness of apron 28 is the same with the degree of depth of step groove 223, when processing panel class part, apron 28 can shelter from circular recess 222, guarantee the normal clamp of panel class part tightly, when processing ball class part, can dismantle apron 28, in the circular recess 222 on two tight dishes 22 of clamp of placing spherical part, can compress tightly spherical part, and simultaneously, still can dismantle clamp plate 27, prevent to produce the interference when equipment is processed man-hour.

Specifically, the driving plates 26 connected to the two screws 24 in a driving manner are symmetrically arranged, and when the driving plates 26 move in opposite directions or in opposite directions, the driving plates are always in a symmetrical state, so that the parts are always located in the middle of the clamping disc 22.

Specifically, four threaded holes 224 which are distributed equidistantly are formed in a periphery of the side wall of the clamping disc 22, the stop screw rods 3 are screwed in the four threaded holes 224, when a ball part with a small diameter is fixed, a wrench can be used for rotating the four stop screw rods 3, the four stop screw rods 3 penetrate inwards along the threaded holes 224, the ball part can be placed in the center positions of the four stop screw rods 3, and the four stop screw rods 3 can be adjusted according to the size movement of the ball part, so that the ball part can be clamped on the ball parts with various sizes.

Specifically, the length of the stop screw 3 is smaller than the length of the screw hole 224, and when the stop screw 3 is not required, the stop screw can be completely screwed into the screw hole 224 without interfering with the rotation of the inside of the circular groove 222 and the clamp disk 22.

The utility model discloses a theory of operation and use flow: when the clamping device is used, according to the size of a processed part, the clamping table 11 is moved through the transmission mechanism 1, the clamping mechanism 2 at the output end of the brake motor 13 is moved to a state that the space between the clamping mechanism 2 and the clamping mechanism 2 on the fixed table 12 is slightly larger than the size of the part, then the stepping motors 23 in the two clamping mechanisms 2 are started, the bevel gears 231 at the output ends of the stepping motors 23 drive the two screw rods 24 to synchronously rotate through the gears 241, the rotating directions are opposite, the transmission plates 26 which are in transmission connection with the two screw rods 24 move oppositely or reversely, the two clamping plates 27 are moved to a state that the space between the two clamping plates 27 in the two clamping mechanisms 2, then the stepping motors 23 are started again, the clamping plates 27 are in contact with the part to limit the upper surface and the lower surface of the part, when the part is processed and overturned, the clamping plates 27 are used for supporting and limiting the upper surface and the lower surface, guarantee the precision that the part was processed man-hour, do not press from both sides tight part this moment, the unable removal of direction about the part, still slidable in the horizontal direction, restart drive mechanism 1 for the tight dish 22 of clamp among two fixture 2 compresses tightly the part, can normally process the part, when the back of processing part, accessible brake motor 13 drives the part on two fixture 2 and rotates, need not dismantle the upset with the part and press from both sides tightly again, reduce the time that the part was dismantled and was installed again, reduce processing equipment down time simultaneously, improve work efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a turning device precision finishing structure, includes drive mechanism (1), transmission connection has clamping table (11) on drive mechanism (1), the one end fixedly connected with fixed station (12) of drive mechanism (1), its characterized in that: fixedly connected with brake motor (13) on pressing from both sides tight platform (11), brake motor (13) and external power source electric connection, the top of drive mechanism (1) still is equipped with fixture (2) of two symmetrical arrangement, and left fixture (2) with the output of brake motor (13) is connected, the opposite side fixture (2) with fixed station (12) rotate to be connected, fixture (2) include support (21) and fix and press from both sides tight dish (22) in its one end, the intermediate position department fixedly connected with step motor (23) of pressing from both sides tight dish (22), step motor (23) and external power source electric connection, it is close to press from both sides tight dish (22) a terminal surface of support (21) is equipped with two symmetrical arrangement's screw rod (24), and two the axis of screw rod (24) is located same straight line, two ends of the two screw rods (24) are respectively and fixedly connected with a bearing (25), the bearings (25) are fixedly connected with the clamping disc (22), one ends of the two screw rods (24) close to each other are fixedly connected with a gear (241), an output end of the stepping motor (23) is fixedly connected with an umbrella-shaped gear (231), the umbrella-shaped gear (231) is simultaneously meshed with the gears (241) on the two screw rods (24), the two screw rods (24) are both in transmission connection with a transmission plate (26), a sliding groove (221) is arranged on the clamping disc (22), the transmission plate (26) slides in the sliding groove (221), one end, far away from the support (21), of the clamping disc (22) is provided with two symmetrically arranged clamping plates (27), and the two clamping plates (27) are detachably connected with the two transmission plates (26) through bolts respectively.

2. The precision machining structure of the turnover device as claimed in claim 1, wherein: the clamping mechanism (2) on the left side is fixedly connected with the output end of the brake motor (13) through the support (21), and the clamping mechanism (2) on the other side is rotatably connected with the fixed platform (12) through the support (21).

3. The precision machining structure of the turnover device as claimed in claim 1, wherein: the middle position department of pressing from both sides tight dish (22) has seted up circular recess (222), circular recess (222) are close to the one end of clamp plate (27) has seted up step groove (223), through bolt detachable connection have two symmetrical arrangement's apron (28) on step groove (223).

4. The precision machining structure of the turnover device as claimed in claim 1, wherein: the transmission plates (26) which are in transmission connection with the two screws (24) are symmetrically arranged.

5. The precision machining structure of the turnover device as claimed in claim 1, wherein: the lateral wall a week of pressing from both sides tight dish (22) sets up four equidistance screw holes (224) that distribute, four equal spiro union has stop pair screw rod (3) in screw hole (224).

6. The precision machining structure of the turnover device as claimed in claim 5, wherein: the length of the stop screw (3) is smaller than that of the threaded hole (224).