CN213591976U

CN213591976U - Clamp for external thread machining

Info

Publication number: CN213591976U
Application number: CN202022424277.0U
Authority: CN
Inventors: 李冬林
Original assignee: Shanghai Bobin Hardware Tools Co ltd
Current assignee: Shanghai Bobin Hardware Tools Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-07-02
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses an anchor clamps are used in external screw thread processing, including first removal frame, mounting panel and holder, the top both sides of mounting panel have through spout movable mounting extend to inside first removal frame and second removal frame, the bearing frame is installed to the inboard that the frame was removed to the second, the holder is installed through the bolt in one side of bearing frame, install the mount pad in the holder, the both sides welding of mounting panel has the support, adjusting part is installed through the pivot to the inboard of support. The utility model discloses an internally mounted at the mount pad has pressure sensor, can transmit pressure sensor through the guide chuck with the pressure that receives, when pressure sensor detects the maximum pressure value, through PLC controller control servo motor operation to stop the centre gripping to the work piece, prevented that the device from too big to the centre gripping dynamics of work piece, guaranteed the security of work piece centre gripping, reduced the spoilage of work piece processing.

Description

Clamp for external thread machining

Technical Field

The utility model relates to an external screw thread processing technology field specifically is an anchor clamps are used in external screw thread processing.

Background

The thread machining is a tool for manufacturing threads, processes such as cutting, turning, milling, grinding and the like are adopted to machine a workpiece, generally, a method for machining threads on the workpiece by using a forming cutter or a grinding tool is adopted, the processes mainly comprise turning, milling, tapping, threading, grinding, whirlwind cutting and the like, the workpiece needs to be clamped when external threads are machined, the quality of external thread machining of the workpiece is guaranteed, and at the moment, a clamp for external thread machining is needed to guarantee the stability of external thread machining of the workpiece.

The existing fixture for processing the external thread has the defects that:

1. when the existing clamp for processing the external thread clamps a workpiece, the clamping force for clamping the workpiece cannot be judged, so that the clamping force of the clamp on the workpiece is too large, the workpiece is bent or the surface of the workpiece is damaged, the processing quality of the workpiece is influenced, and the damage rate of workpiece processing is increased;

2. the existing fixture for external thread machining is not convenient to adjust according to the specification of a workpiece, so that the device cannot be suitable for external thread machining of different specifications, the machining range of the device is limited, the practicability of the device is reduced, and the existing problem is solved by providing the fixture for external thread machining.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anchor clamps are used in external screw thread processing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a clamp for processing external threads comprises a first movable frame, a mounting plate and a clamping seat, wherein a chute is arranged inside the mounting plate, a first moving frame and a second moving frame which extend into the mounting plate are movably mounted on two sides of the top of the mounting plate through sliding grooves, the inner side of the second movable frame is provided with a bearing seat, the outer side of the second movable frame is provided with a rotating motor through a bolt, the output end of the rotating motor is connected with a bearing seat, one side of the bearing seat is provided with a clamping seat through a bolt, the clamp seat is internally provided with an installation seat, brackets are welded on two sides of the installation seat, the inner side of each bracket is provided with an adjusting component through a rotating shaft, a bidirectional screw rod is arranged in the adjusting component, two groups of screw sleeves are arranged on the outer side of the bidirectional screw rod through a thread structure, and the top of the screw sleeve is respectively connected with the bottoms of the first movable frame and the second movable frame through bolts.

Preferably, a shaft disc is installed on the inner side of the first moving frame, and a pneumatic clamp is rotatably installed on one side of the shaft disc.

Preferably, the bottom of the support is fixedly provided with a rubber pad, and the bottom of the support is provided with a through positioning bolt.

Preferably, a servo motor is installed at one end of the bidirectional screw rod, and the servo motor is fixed on one side of the support through a bolt.

Preferably, a sliding plate is welded at the bottom of the second movable frame, and a reinforcing member is welded at one side of the second movable frame.

Preferably, a pressure sensor is installed inside the installation seat, and a guide chuck extending out of the installation seat is installed on one side of the pressure sensor through a bolt.

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

1. the utility model discloses an internally mounted at the mount pad has pressure sensor, can transmit pressure sensor through the guide chuck with the pressure that receives, when pressure sensor detects the maximum pressure value, accessible wire transmits the signal of telecommunication and gives the PLC controller, through the operation of PLC controller control servo motor, thereby stop the centre gripping to the work piece, the problem of the unable centre gripping dynamics of judging to the work piece centre gripping has effectively been solved, the clamping dynamics of device to the work piece has been prevented too big, the security of work piece centre gripping has been guaranteed, the spoilage of work piece processing has been reduced.

2. The utility model discloses an adjusting part is installed to the inboard at the support, operation through servo motor can drive two-way lead screw and rotate, rotation through two-way lead screw can drive the relative movement of two sets of silk wraps, relative movement through two sets of silk wraps can drive first removal frame and second and remove the frame and carry out relative movement, thereby can carry out the centre gripping to the work piece and fix, be convenient for adjust according to the specification of work piece, make the device be applicable to the external screw thread processing of different specifications, the machining range of device has been enlarged, the practicality of device has been improved.

Drawings

Fig. 1 is a schematic front internal structure diagram of the present invention;

fig. 2 is a schematic front structural view of the present invention;

FIG. 3 is a schematic view of a partial structure of the adjusting assembly of the present invention;

fig. 4 is a schematic view of a partial structure of the holder of the present invention.

In the figure: 1. a first movable frame; 101. a reel; 102. a pneumatic clamp; 2. mounting a plate; 201. a chute; 3. a support; 301. a rubber pad; 302. positioning the bolt; 4. an adjustment assembly; 401. a bidirectional screw rod; 402. sleeving the silk; 403. a servo motor; 5. a second movable frame; 501. a slide plate; 502. a reinforcement; 503. a bearing seat; 504. a rotating electric machine; 6. a holder; 601. a mounting seat; 602. a pressure sensor; 603. and (4) guiding the chuck.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a clamp for processing external threads comprises a first moving frame 1, a mounting plate 2 and a clamping seat 6, wherein a sliding groove 201 is arranged inside the mounting plate 2, the mounting plate 2 can be conveniently and movably mounted on the first moving frame 1 and a second moving frame 5 through the sliding groove 201, the first moving frame 1 and the second moving frame 5 can be conveniently and horizontally moved, the first moving frame 1 and the second moving frame 5 which extend into the mounting plate 2 are movably mounted on two sides of the top of the mounting plate 2 through the sliding groove 201, a pneumatic clamp 102 and the clamping seat 6 can be driven to move through the first moving frame 1 and the second moving frame 5, so that two ends of a workpiece can be clamped and fixed, a PLC controller is mounted on one side of the second moving frame 5 through bolts and is electrically connected with a servo motor 403 and a pressure sensor 602 through leads, an intelligent control device can be conveniently operated through the PLC controller, a bearing seat 503 is mounted on the inner side of the second moving frame 5, the clamp seat 6 can be conveniently rotated through the bearing seat 503, the outer side of the second movable frame 5 is provided with a rotating motor 504 through a bolt, the rotating motor 504 can drive the bearing seat 503 to rotate, the rotating of the bearing seat 503 can drive the clamp seat 6 to rotate, the rotating of the clamp seat 6 can drive a workpiece to rotate, so that a cutter (a screw tap or a screw die) and the workpiece do relative rotating motion, thereby finishing the external thread processing of the workpiece, the output end of the rotating motor 504 is connected with the bearing seat 503, one side of the bearing seat 503 is provided with the clamp seat 6 through a bolt, the clamp seat 6 can be matched with the pneumatic clamp 102 to transversely clamp the workpiece, the clamp seat 601 is arranged in the clamp seat 6, the inner pressure sensor 602 can be protected by the clamp seat 601, the damage of the pressure sensor 602 can be prevented, the supports 3 are welded on two sides of the mounting plate 2, the supports 3 can, the installation stability of the installation plate 2 is ensured, the inner side of the bracket 3 is provided with the adjusting component 4 through a rotating shaft, the distance between the first moving frame 1 and the second moving frame 5 can be conveniently adjusted through the adjusting component 4, the adjustment is convenient to be adjusted according to the specification of a workpiece, the two-way screw rod 401 is installed in the adjusting component 4, the two sets of screw sleeves 402 can be conveniently driven to move relatively through the two-way screw rod 401, the two sets of screw sleeves 402 are installed on the outer side of the two-way screw rod 401 through a thread structure, the installation disc is welded on the top of the screw sleeves 402, the top of the screw sleeves 402 are respectively connected with the bottoms of the first moving frame 1 and the second moving frame 5 through bolts, the two-way screw rod 401 can be driven to rotate through the operation of the servo motor 403, the two sets of screw sleeves 402 can be driven to move relatively through the rotation of the two-way screw rod 401, the first moving frame 1 and the, therefore, the workpiece can be clamped and fixed, and the workpiece can be conveniently adjusted according to the specification of the workpiece, so that the device is suitable for processing external threads of different specifications, the processing range of the device is expanded, and the practicability of the device is improved.

Further, a shaft disc 101 is installed on the inner side of the first moving frame 1, a pneumatic clamp 102 is installed on one side of the shaft disc 101 in a rotating mode, the pneumatic clamp 102 can rotate conveniently through the shaft disc 101, the pneumatic clamp 102 can be MHS4-16D, one end of a workpiece can be clamped through the pneumatic clamp 102, and stability of clamping of the workpiece is guaranteed.

Further, the bottom fixed mounting of support 3 has rubber pad 301, and the noise that the vibrations of effective subduction device were sent is subdued to the shock-absorbing function of the multiplicable device of rubber pad 301, and the positioning bolt 302 that runs through is installed to the bottom of support 3, and the device of can being convenient for of positioning bolt 302 through is fixed, has guaranteed the steadiness of device installation.

Further, a servo motor 403 is installed at one end of the bidirectional screw rod 401, the servo motor 403 is fixed on one side of the support 3 through a bolt, the servo motor 403 can adopt a 57BYG250B servo motor, the bidirectional screw rod 401 can be driven to rotate through the servo motor 403, relative movement of the two groups of screw sleeves 402 can be driven through rotation of the bidirectional screw rod 401, and the first movable frame 1 and the second movable frame 5 can be driven to move relatively through relative movement of the two groups of screw sleeves 402.

Further, the bottom welding of second removal frame 5 has slide 501, and slide 501 can remove inside spout 201 to can be convenient for the second remove frame 5 and first removal frame 1 and carry out horizontal migration, and the welding of one side of second removal frame 5 has reinforcement 502, can increase the mechanical strength of second removal frame 5 through reinforcement 502, has improved the steadiness of device centre gripping.

Further, a pressure sensor 602 is installed inside the mounting seat 601, one side of the pressure sensor 602 is provided with a guide chuck 603 extending out of the inside of the mounting seat 601 through a bolt, when a workpiece is clamped, the pressure received by the guide chuck 603 can be transmitted to the pressure sensor 602, when the pressure sensor 602 detects a maximum pressure value, an electric signal can be transmitted to the PLC controller through a wire, the servo motor 403 is controlled to operate through the PLC controller, so that the workpiece is stopped being clamped, the problem that the clamping force for clamping the workpiece cannot be judged is effectively solved, the clamping force of the device for the workpiece is effectively prevented from being too large, the safety for clamping the workpiece is guaranteed, and the damage rate of workpiece machining is reduced.

The working principle is as follows: the two-way screw rod 401 can be driven to rotate by the operation of the servo motor 403, the two-way screw rod 401 can drive the two sets of screw sleeves 402 to move relatively, the first moving frame 1 and the second moving frame 5 can be driven to move relatively by the relative movement of the two sets of screw sleeves 402, the device can be adjusted according to the specification of a workpiece, the device is suitable for the external thread processing of different specifications, the processing range of the device is expanded, the practicability of the device is improved, when the workpiece is clamped, one end of the workpiece can be clamped and fixed by the pneumatic clamp 102, the other end of the workpiece can be clamped by the guide chuck 603, the received pressure can be transmitted to the pressure sensor 602 by the guide chuck 603, when the pressure sensor 602 detects the maximum pressure value, an electric signal can be transmitted to the PLC controller by a lead, the servo motor 403 is controlled to operate by the PLC controller, thereby stop the centre gripping to the work piece, the problem of the clamping force of unable judgement to the work piece centre gripping has effectively been solved, the clamping force of device to the work piece has effectively been prevented too big, the security of work piece centre gripping has been guaranteed, the spoilage of work piece processing has been reduced, can drive bearing frame 503 through rotating electrical machines 504 and rotate, can drive holder 6 through the rotation of bearing frame 503 and rotate, it can drive the work piece and rotate to rotate through holder 6, make cutter (screw tap or die) and work piece do relative rotary motion, thereby the completion carries out the external screw thread processing to the work piece.

The details of the present invention are well known to those skilled in the art.

Finally, it is to be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified and replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides an anchor clamps are used in external screw thread processing, includes first removal frame (1), mounting panel (2) and holder (6), its characterized in that: the inside of mounting panel (2) is equipped with spout (201), the top both sides of mounting panel (2) have through spout (201) movable mounting extend to inside first removal frame (1) and second removal frame (5), bearing frame (503) are installed to the inboard of second removal frame (5), rotating electrical machines (504) are installed through the bolt in the outside of second removal frame (5), and the output of rotating electrical machines (504) is connected with bearing frame (503), holder (6) are installed through the bolt to one side of bearing frame (503), install mount pad (601) in holder (6), the both sides welding of mounting panel (2) has support (3), adjusting part (4) is installed through the pivot in the inboard of support (3), install two-way lead screw (401) in adjusting part (4), two sets of silk braid (402) are installed through helicitic texture in the outside of two-way lead screw (401), and the top of the screw sleeve (402) is respectively connected with the bottoms of the first movable frame (1) and the second movable frame (5) through bolts.

2. The jig for external thread machining according to claim 1, characterized in that: a shaft disc (101) is installed on the inner side of the first moving frame (1), and a pneumatic clamp (102) is rotatably installed on one side of the shaft disc (101).

3. The jig for external thread machining according to claim 1, characterized in that: the bottom of support (3) is fixed mounting has rubber pad (301), and the bottom of support (3) is installed positioning bolt (302) that run through.

4. The jig for external thread machining according to claim 1, characterized in that: a servo motor (403) is installed at one end of the bidirectional screw rod (401), and the servo motor (403) is fixed on one side of the support (3) through a bolt.

5. The jig for external thread machining according to claim 1, characterized in that: a sliding plate (501) is welded at the bottom of the second movable frame (5), and a reinforcing member (502) is welded at one side of the second movable frame (5).

6. The jig for external thread machining according to claim 1, characterized in that: a pressure sensor (602) is installed inside the installation seat (601), and a guide chuck (603) extending out of the installation seat (601) is installed on one side of the pressure sensor (602) through a bolt.